阅读说明：本技术 一种悬浮减震发电背包 (Suspension shock attenuation electricity generation knapsack ) 是由 黎波 刘家红 刘闽超 张�浩 庄巍 张林波 李仪有 黄森 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种悬浮减震发电背包,包括内层板和外板,所述内层板通过肩带组件穿戴在人体上肢,所述外板与用于放置物品的中间连接件连接,所述内层板和所述外板之间通过减震发电机构进行竖向往复的滑动连接。本发明能在运动过程中对背包相对人体肩部的运动进行减震,同时能够将背包竖向运动的动力转换成电能进行使用。(The invention discloses a suspension shock-absorption power generation backpack which comprises an inner plate and an outer plate, wherein the inner plate is worn on the upper limb of a human body through a shoulder strap assembly, the outer plate is connected with a middle connecting piece for placing articles, and the inner plate is in vertical reciprocating sliding connection with the outer plate through a shock-absorption power generation mechanism. The backpack can absorb shock relative to the movement of the shoulders of a human body in the movement process, and can convert the power of the vertical movement of the backpack into electric energy for use.)

1. The utility model provides a suspension shock attenuation electricity generation knapsack which characterized in that, includes inner plate and planking, the inner plate is dressed at human upper limbs through the baldric subassembly, the planking is connected with the intermediate junction spare that is used for placing object article, the inner plate with carry out vertical reciprocal sliding connection through shock attenuation power generation mechanism between the planking.

2. The suspension shock absorption power generation backpack according to claim 1, wherein the shoulder strap assembly is made of canvas material, the shoulder strap assembly comprises a shoulder strap, a waist belt and a back connecting piece, the backpack connecting piece is used for being directly contacted with the back of a human body and connected with the inner plate, the shoulder strap is provided with a length adjusting device, and the waist belt is provided with a buckle which is convenient to put on and take off.

3. The suspension shock absorption power generation backpack of claim 1, wherein the intermediate connecting member is a storage bag connected to the outer panel;

or the middle connecting piece is a storage rod which extends backwards and is used for directly placing heavy objects;

or the middle connecting piece is a storage plate, and the storage plate is rotatably connected with the outer plate through a hinge.

4. The suspension shock-absorbing power generation backpack of claim 1, wherein the shock-absorbing power generation mechanism comprises a shock-absorbing elastic member, a power generation assembly and a pulley system assembly, the shock-absorbing elastic member is installed on a vertical sliding path of the inner plate and the outer plate, so that the inner plate and the outer plate can be driven to extend or shorten when sliding vertically relative to each other, the pulley system assembly comprises a pulley system and a rope sleeved on the pulley system, the rope is further connected with the power generation assembly, and the outer plate can also drive the pulley system to move when sliding vertically relative to the inner plate, so that the rope on the pulley system moves and drives the power generation assembly to generate power.

5. The suspension shock absorption power generation backpack according to claim 4, wherein the pulley system comprises a fixed pulley block and a movable pulley block, the fixed pulley block is rotatably connected to the inner plate, and the movable pulley block is rotatably connected to the outer plate through a sliding block, so that the sliding block can drive the movable pulley block to move synchronously when the outer plate slides vertically relative to the inner plate.

6. The suspension shock-absorbing power generation backpack of claim 5, wherein the fixed pulley set comprises a first fixed pulley, the first fixed pulley is rotatably connected to the inner plate, the movable pulley set comprises a first movable pulley, one end of the rope is fixed to the inner plate at a position corresponding to the first fixed pulley, and the other end of the rope sequentially crosses over the first movable pulley and the first fixed pulley and then is connected to the power generation assembly, so that the vertical movement of the outer plate is amplified and then transmitted to the power generation assembly through the pulley system assembly.

7. The suspension shock-absorbing power generation backpack of claim 6, wherein the fixed pulley set further comprises a second fixed pulley, the first fixed pulley and the second fixed pulley have the same size and are distributed along a horizontal axial direction, the movable pulley set further comprises a second movable pulley, the size of the first movable pulley is smaller than that of the second movable pulley, the first movable pulley and the second movable pulley are distributed along a horizontal vertical direction, one end of the rope is fixed on the inner layer plate at a position corresponding to the first fixed pulley, and the other end of the rope sequentially crosses over the first movable pulley, the first fixed pulley, the second movable pulley and the second fixed pulley and then is connected with the power generation assembly, so that the vertical movement of the outer plate is amplified by the pulley system assembly and then transmitted to the power generation assembly.

8. The suspension shock-absorbing power generation backpack of claim 7, wherein the shock-absorbing power generation mechanism comprises two sets of pulley train assemblies, which are symmetrically disposed at both ends of the diagonal of the inner plate in the initial state, so that the two sets of pulley train assemblies have opposite directions of movement when the outer plate slides vertically.

9. The suspension shock-absorbing power generation backpack according to claim 8, wherein the power generation assembly comprises a crank link unit and a power generation unit, the crank link unit comprises a crank and a link, the crank is rotatably connected to the inner plate, the crank is circumferentially provided with a first groove and a second groove, the ropes in the two sets of pulley system assemblies are respectively connected to the first groove and the second groove, so that the ropes in the two sets of pulley system assemblies can respectively drive the crank to rotate in different directions during movement, one end of the link is rotatably connected to the crank, the connection point between the link and the crank deviates from the rotation center point of the crank, the end of the link far away from the link, which is connected to the crank, is connected to the power generation unit, so as to convert the rotation movement of the crank into linear movement and then transmit the linear movement to the power generation unit, the power generation unit comprises a linear motor, the linear motor is fixedly connected to the inner-layer plate, and a motor shaft of the linear motor is connected with the connecting rod, so that the connecting rod can drive the motor shaft of the linear motor to perform linear motion.

10. The suspension shock absorption power generation backpack according to claim 9, wherein the power generation assembly further comprises a charging unit, the charging unit comprises a rectifying module, a primary voltage stabilizing module, a power supply module, a secondary voltage stabilizing module and a USB interface module, a power input end of the rectifying module is connected to a power output end of the linear motor to rectify the power generated by the linear motor, a power input end of the primary voltage stabilizing module is connected to a power output end of the rectifying module to perform primary voltage stabilizing on the power rectified by the rectifying module, a power input end of the power supply module is connected to a power output end of the primary voltage stabilizing module to use the power stabilized by the primary voltage stabilizing module to charge the power supply module, and a power input end of the secondary voltage stabilizing module is connected to a power output end of the power supply module, the USB interface module is connected with the electric energy output end of the secondary voltage stabilizing module so as to charge the electric energy subjected to voltage stabilizing processing by the secondary voltage stabilizing module to the outside and supply power to electric equipment.

Technical Field

The invention relates to the technical field of wearable equipment, in particular to a suspension damping power generation backpack.

Background

The backpack is a tool for loading articles in daily life, can store the articles together and is convenient to carry, and the backpack straps can help people to carry more easily, so that the backpack is a necessary tool in daily life, and not only has a simple structure, but also is convenient to operate.

The backpack is used as important equipment in daily life, and in the actual use process, the backpack has the following defects, for example, when people are in a long-foot state, in a traveling state or in a night walking state, the people often use a flashlight for lighting when meeting a lightless road section, but the flashlight occupies a certain volume when being carried, needs to be held by hands, and once special conditions occur in the night walking state, lighting becomes the largest problem when people need to use both hands; in addition, with the development of society and the advancement of science and technology, more and more small or miniature electric appliances enter the living fields of people, such as MP3, mobile phones, cameras, video cameras, vibrating massagers, buzzers, miniature sounds, radios, GPS positioning systems and the like, the electric equipment is usually carried by human body, provides more and wider learning and entertainment modes for people, brings more convenience to the life of people, improves the life quality of people, the battery is the power source of all electric equipment, and the small or micro electric equipment commonly used at present generally uses dry batteries, nickel-hydrogen rechargeable batteries, or nickel-cadmium rechargeable batteries, etc., since the power supply time of the batteries is limited and the endurance time is short, if a user does not prepare a spare battery, the situation that the equipment cannot be used due to insufficient power of the electric equipment is inevitable.

Meanwhile, when people carry out hiking, traveling, commuting or sports training by backpacks, the walking of people basically belongs to an inverted simple pendulum mode, the backpacks move up and down along with the human body in the vertical direction, the shoulders can be subjected to the applied force of the backpacks during each reciprocating movement, the applied force comprises the gravity of the backpacks and the downward gravity acceleration, the larger the movement amplitude of the backpacks is, the larger the value of the gravity acceleration is, the larger the applied force of the backpacks on the shoulders is, and the problems that the muscle soreness of the shoulders of the human body can be caused by the long-time backpack movement and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: how to provide one kind can carry out the shock attenuation to the motion of knapsack relative human shoulder in the motion process, can convert the power of knapsack vertical motion into the suspension shock attenuation electricity generation knapsack that the electric energy used simultaneously.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a suspension shock attenuation electricity generation knapsack, includes inner plate and planking, the inner plate is dressed at human upper limbs through shouldering the subassembly, the planking is connected with the intermediate junction spare that is used for placing object article, the inner plate with carry out vertical reciprocal sliding connection through shock attenuation electricity generation mechanism between the planking.

The working principle of the invention is as follows: when the suspension damping power generation backpack is used, the backpack is worn on the upper limbs of a human body through the shoulder strap assembly, a heavy object to be borne is placed at the middle connecting piece connected with the outer plate, when the backpack is worn on the back of the human body to walk, the gravity center of the human body can reciprocate in the vertical direction, the inner plate is worn on the upper limbs of the human body through the shoulder strap assembly at the moment, the inner plate can be approximately considered to reciprocate together with the gravity center of the human body in the vertical direction, the movement trend of the outer plate is obtained by the movement of the inner plate after the damping buffering of the damping power generation mechanism, namely, the movement of the human body can not be directly transmitted to the outer plate on which the heavy object is placed, if the inner plate moves upwards along with the gravity center of the human body, the damping power generation mechanism on the vertical sliding path of the inner plate and the outer plate can absorb part of shock waves generated by the movement of the inner plate on the one hand, when the inner plate moves downwards along with the gravity center of a person, the shock absorption power generation mechanism positioned on the vertical sliding path of the inner plate and the outer plate can absorb part of shock waves generated by the movement of the inner plate, so that the shock waves transmitted to the outer plate through the shock absorption power generation mechanism are also greatly reduced; on the other hand, the energy of the relative vertical movement of the inner plate and the outer plate is absorbed and damped by the damping power generation mechanism in the human motion process, the absorbed energy can be further generated by the damping power generation mechanism, the purpose of converting the power of the vertical motion of the backpack into electric energy is realized, the sent electric energy can be used for illuminating external electric equipment or charging electronic equipment, and the damping power generation mechanism is particularly suitable for outdoor motion, marching combat or night walking and the like.

In conclusion, in the using process of the backpack, when a human body moves, the human body only drives the inner layer plate to move together, the outer plate for placing the heavy object is decoupled from the movement of the human body, and when the gravity center of the human body moves upwards or downwards in the moving process, the absolute movement of the outer plate for placing the heavy object relative to the ground is always very small or even not under the action of the damping power generation mechanism, so that the load inertial impact caused by the fluctuation of the heavy object is reduced, and the effects of saving labor and relieving the pressure of the shoulder are achieved; on the other hand, the energy of the vertical movement of the backpack in the movement process of the human body is further absorbed by the damping power generation mechanism to generate power, and the conversion and utilization of the energy are realized.

Preferably, the shoulder strap assembly is made of canvas materials and comprises a shoulder strap, a waist belt and a back connecting piece, the backpack connecting piece is used for being in direct contact with the back of a human body and is connected with the inner plate, the shoulder strap is provided with a length adjusting device, and the waist belt is provided with a buckle which is convenient to put on and take off.

Like this, shoulder the subassembly and adopt the canvas material to make, and the knapsack connecting piece be used for with human back direct contact, can improve the travelling comfort that whole back was dressed, length adjustment device on the baldric simultaneously and the buckle on the waistband can satisfy different human dress demands.

Preferably, the middle connecting piece is a storage bag which is connected to the outer plate;

or the middle connecting piece is a storage rod which extends backwards and is used for directly placing heavy objects;

or the middle connecting piece is a storage plate, and the storage plate is rotatably connected with the outer plate through a hinge.

Like this, when the intermediate junction spare adopted the storing bag, can directly place the heavy object in the storing bag, the demand of placing of multiple type heavy object can be satisfied in the form of storing bag, especially is fit for the demand of placing of multiple article, when the intermediate junction spare is for putting the thing pole or putting the thing board, is fit for the demand of placing of single major possession heavy object, puts the thing board simultaneously and rotates with the planking through the hinge and be connected and can also realize will putting the thing board and carry out the folding purpose when not using. When the connecting device is used specifically, different intermediate connecting pieces can be selected according to requirements.

Preferably, shock attenuation power generation mechanism includes that shock attenuation elastic component, electricity generation subassembly and pulley are the subassembly, shock attenuation elastic component installs the inner plating with on the vertical sliding path of planking, so that the inner plating with can drive during the relative vertical slip of planking shock attenuation elastic component extension or shorten, pulley is the subassembly includes pulley system and cover and is established rope on the pulley system, the rope still with electricity generation subassembly is connected, the planking is relative can also drive during the vertical slip of inner plating the pulley is the motion, so that the rope motion that the pulley was gone up drives electricity generation subassembly generates electricity.

Like this, when the human body was carried on the back when this knapsack walking, the centre of gravity that the inner plate followed the human body is at the approximate synchronous motion of vertical direction, make to produce relative vertical slip between inner plate and the planking, the shock attenuation elastic component that lies in this moment on inner plate and the vertical slip path of planking will absorb the shock wave that vertical slip produced between the two through the mode of extension or shortening, thereby make the shock wave that finally transmits to the planking reduce greatly, the planking of being connected with the storing bag of placing the heavy object is less for the absolute motion amplitude on ground in whole motion process all the time, the impact that the heavy object fluctuation caused the human shoulder has just been reduced from this, the pressure that the human shoulder received has been alleviated greatly.

On the other hand, when producing relative slip between inner plate and the planking, the planking can also drive pulley system and move, and the rope that the cover was established on pulley system this moment also can move, and the rope is connected with the electricity generation subassembly, and the motion of rope can further drive the electricity generation subassembly and generate electricity, realizes further absorbing the energy of knapsack vertical motion from this and is used for the electricity generation, realizes the purpose that energy conversion utilized. Simultaneously, adopt pulley system and rope to compare the mode of the vertical motion transmission of knapsack to the electricity generation subassembly with traditional structural style who adopts the gear, this scheme pulley system subassembly's structural style's weight reduces greatly, and the line drive's mode also makes whole drive mechanism simple more light to make the weight greatly reduced of whole knapsack, use the travelling comfort and improve greatly.

Preferably, the pulley system comprises a fixed pulley block and a movable pulley block, the fixed pulley block is rotatably connected to the inner plate, and the movable pulley block is rotatably connected to the outer plate through a sliding block, so that the outer plate can drive the movable pulley block to move synchronously when sliding vertically relative to the inner plate.

Like this, through setting up fixed pulley group and running block, and the fixed pulley group rotates to be connected on the inner plating, the running block then rotates to be connected on the planking, when the relative inner plating vertical slip of planking, the planking can drive running block synchronous motion, the fixed pulley group plays the effect that changes direction of transmission simultaneously when using, and the running block then plays the effect of enlargiing the vertical motion of planking and handling, so running block and the combination of fixed pulley group use, can amplify the vertical motion of planking and transmit to power generation component department according to specific direction after handling.

Preferably, the fixed pulley block comprises a first fixed pulley, the first fixed pulley is rotatably connected to the inner plate, the movable pulley block comprises a first movable pulley, one end of the rope is fixed to the inner plate at a position corresponding to the first fixed pulley, and the other end of the rope sequentially crosses over the first movable pulley and the first fixed pulley and then is connected with the power generation assembly, so that the vertical motion of the outer plate is amplified and then transmitted to the power generation assembly through the pulley system assembly.

Like this, through setting up first fixed pulley and first movable pulley to being connected with the electricity generation subassembly after strideing across first movable pulley and first fixed pulley with the rope in proper order, can realizing transmitting electricity generation subassembly department through the rope again after the twice is enlarged to the stroke of backpack vertical motion like this, reach the purpose that improves the electricity generation energy from this.

Preferably, the fixed pulley block further comprises a second fixed pulley, the first fixed pulley and the second fixed pulley are the same in size and are distributed along the horizontal axial direction, the movable pulley block further comprises a second movable pulley, the size of the first movable pulley is smaller than that of the second movable pulley, the first movable pulley and the second movable pulley are distributed along the horizontal vertical direction, one end of the rope is fixed on the inner layer plate at the position corresponding to the first fixed pulley, and the other end of the rope sequentially crosses over the first movable pulley, the first fixed pulley, the second movable pulley and the second fixed pulley and then is connected with the power generation assembly so as to pass through the pulley system assembly, the vertical motion of the outer plate is amplified and then transmitted to the power generation assembly.

Like this, through setting up second fixed pulley and second movable pulley, and first fixed pulley and second fixed pulley arrange at the axial direction, first movable pulley and second movable pulley arrange at vertical direction, then cross first movable pulley, first fixed pulley, second movable pulley and second fixed pulley with the rope in proper order after be connected with the electricity generation subassembly again, utilize two fixed pulleys to realize twice changes of direction from this, two movable pulleys realize the quadruple of knapsack stroke and enlarge the effect, realize further the purpose that improves the power generation energy from this.

Preferably, the damping and power generating mechanism comprises two sets of pulley system assemblies, the two sets of pulley system assemblies are symmetrically arranged at two ends of a diagonal line of the inner plate in an initial state, so that the two sets of pulley system assemblies have opposite movement directions when the outer plate vertically slides.

Therefore, when a weight is loaded in the storage bag of the backpack, the gravity center of the backpack can move along with the movement of a person when the person walks, when the outer plate moves downwards relative to the inner plate, the rope in the pulley system assembly positioned above the inner plate is stretched downwards, and the stretching stroke is amplified by the pulley system above and then transmitted to the power generation assembly; because the shock attenuation elastic component is stretched when the planking is downward, the shock attenuation elastic component makes the planking rebound for planking elasticity, the rope that is located the inner plating below this moment is stretched upwards, this tensile stroke is transmitted to the electricity generation subassembly after being enlargied by the pulley system of below, in whole motion process, the rope in two sets of pulley system subassemblies forms a closed circuit, when the planking vertically slides, the rope in a pulley system subassembly is in taut state, the rope in another pulley system subassembly is then in the state of relaxing, two ropes combined action are on the electricity generation subassembly.

Preferably, the power generation assembly comprises a crank connecting rod unit and a power generation unit, the crank connecting rod unit comprises a crank and a connecting rod, the crank is rotatably connected to the inner plate, a first groove and a second groove are respectively formed in the circumferential direction of the crank, two groups of ropes in the pulley system assembly are respectively connected to the first groove and the second groove, so that the two groups of ropes in the pulley system assembly can respectively drive the crank to rotate towards different directions during movement, one end of the connecting rod is rotatably connected to the crank, the connecting point of the connecting rod and the crank deviates from the rotation central point of the crank, one end of the connecting rod, which is far away from the connecting point, connected with the crank is connected with the power generation unit, so that the rotary motion of the crank is converted into linear motion and then transmitted to the power generation unit, and the power generation unit comprises a linear motor, the linear motor is fixedly connected to the inner-layer plate, and a motor shaft of the linear motor is connected with the connecting rod, so that the connecting rod can drive the motor shaft of the linear motor to perform linear motion.

Therefore, when a heavy object is loaded in the storage bag of the backpack, the gravity center shifting backpack can move when a person walks, when the outer plate moves downwards relative to the inner plate, the outer plate drives the movable pulley block above the inner plate to move downwards through the sliding block, the rope in the pulley system assembly is stretched downwards while the movable pulley block moves downwards, the stretching stroke is amplified by four times by the upper pulley system and then transmitted to the crank, the resistance on the crank connecting rod unit is also amplified by four times and then fed back to the motion of the pulley system assembly, the crank rotates anticlockwise under the action of the rope in the upper pulley system assembly at the moment, the power of anticlockwise rotation of the crank further drives the motor shaft of the linear motor to do vertical and downward linear movement through the connecting rod, and the linear motor can generate electric energy at the moment; meanwhile, the damping elastic piece is stretched when the outer plate faces downwards, the damping elastic piece gives elastic force to the outer plate to enable the outer plate to move upwards, the outer plate moves upwards while driving the movable pulley block below the inner plate to move upwards through the sliding block, the rope in the pulley system assembly is also stretched upwards while the movable pulley block moves upwards, the stretching stroke is amplified four times by the pulley system below and then is transmitted to the crank, the resistance on the crank connecting rod unit is also amplified four times and then is fed back to the motion of the pulley system assembly, the crank rotates clockwise under the action of the rope in the pulley system assembly below at the moment, the power of the clockwise rotation of the crank further drives the motor shaft of the linear motor to do vertical and upward linear movement through the connecting rod, and the linear motor also sends out electric energy at the moment.

In the whole movement process, the ropes in the two groups of pulley system assemblies form a closed loop, when the outer plate slides vertically, the rope in one pulley system assembly is in a tensioned state, the rope in the other pulley system assembly is in a relaxed state, and the two ropes act on the crank together to drive the crank to rotate. Therefore, the outer plate can be moved upwards or downwards, the stroke of the outer plate can be amplified by the pulley system assembly at the corresponding position, the outer plate is transmitted to the crank and drives the crank to rotate, the crank rotates, and the connecting rod further drives the motor shaft of the linear motor to move vertically and linearly, so that the power generation capacity is further improved.

Preferably, the power generation assembly further comprises a charging unit, the charging unit comprises a rectifying module, a primary voltage stabilizing module, a power module, a secondary voltage stabilizing module and a USB interface module, an electric energy input end of the rectifying module is connected with an electric energy output end of the linear motor to rectify the electric energy generated by the linear motor, an electric energy input end of the primary voltage stabilizing module is connected with an electric energy output end of the rectifying module to perform primary voltage stabilizing on the electric energy rectified by the rectifying module, an electric energy input end of the power module is connected with an electric energy output end of the primary voltage stabilizing module to use the electric energy voltage stabilized by the primary voltage stabilizing module to charge the power module, an electric energy input end of the secondary voltage stabilizing module is connected with an electric energy output end of the power module to perform secondary voltage stabilizing on the electric energy of the power module, the USB interface module is connected with the electric energy output end of the secondary voltage stabilizing module so as to charge the electric energy subjected to voltage stabilizing processing by the secondary voltage stabilizing module to the outside and supply power to electric equipment.

Therefore, the state of the human body in the motion process is constantly changed, so that the electric energy sent by the linear motor is also unstable, the part of electric energy needs to be subjected to relevant rectification and voltage stabilization treatment before use, the electric energy sent by the linear motor is firstly subjected to rectification treatment by the rectification module in the scheme, the electric energy subjected to rectification treatment is further subjected to voltage stabilization treatment by the primary voltage stabilization module, the electric energy subjected to primary voltage stabilization treatment can be directly used for charging the power supply module, the electric energy output by the power supply module is further subjected to voltage stabilization treatment by the secondary voltage stabilization module and then output to the USB interface module, and the USB interface module can be used for directly supplying power to external charging equipment and electric equipment, so that the occasions for electric energy requirements of people on outdoor activities, marching operations, night walking and the like are met.

Compared with the prior art, the invention has the following advantages:

1. the whole backpack is made of lighter materials, so that the weight of the whole backpack is reduced, and the burden of a human body in the process of exercise can be reduced.

2. The invention adopts the linear motor to generate electricity, and has simpler structure.

3. The invention adopts the pulley system component to amplify the stroke and the damping, the stroke of the up-and-down movement of the outer plate is amplified by four times to the linear motor, and the resistance on the crank connecting rod unit is amplified by four times.

4. The invention adopts a line transmission mode, so that the whole transmission mechanism is simpler and lighter, and the weight of the whole backpack is greatly reduced.

5. The crank connecting rod mechanism is connected with the pulley system in a rope mode, and converts the linear motion of a large stroke into the reciprocating motion of a small stroke, so that the up-and-down motion of the backpack can be completely transmitted to the linear generator to generate energy, and the power generation energy is improved.

6. The invention reduces energy loss by generating electricity during movement.

7. The linear motor can realize 60 times of reciprocating motion per minute when the backpack is used for walking, the stable power generated is more than 1W, and the power generation efficiency is 70% when the backpack is used for walking; the linear motor can realize 60 reciprocating motions per minute during running, the stable power is more than 2W, and the generating efficiency during running is 85%.

8. The invention can be suitable for outdoor activities of people (such as difficulty in power utilization during riding and spring trip), field operation (such as power utilization processing tasks required by soldiers or field workers in places far away from a power grid) and daily life (such as charging intelligent equipment on the way of school in office) and the like, and has wide application range.

Drawings

FIG. 1 is a schematic structural view of a suspension shock-absorbing power generation backpack of the present invention;

FIG. 2 is a schematic structural view of the suspension damping power generation backpack of the present invention with the storage bag removed (the cord is not shown);

FIG. 3 is a schematic structural view of the suspension damping power generation backpack of the present invention with the storage bag and the outer panel removed (the cord is not shown);

FIG. 4 is a front view of the suspension shock absorption power generation backpack of the present invention with the storage bag and the outer panel removed;

FIG. 5 is a schematic structural view of the joint of the crank link unit and the power generation unit in the suspension damping power generation backpack of the present invention;

FIG. 6 is a schematic circuit connection diagram of the power generation assembly in the suspension shock absorption power generation backpack of the present invention.

Description of reference numerals: the multifunctional electric bicycle comprises a storage bag 1, a back connecting piece 2, shoulder straps 3, a waist belt 4, buckles 5, an outer plate 6, an inner plate 7, a damping elastic piece 8, a first fixed pulley 9, a second fixed pulley 10, a first movable pulley 11, a second movable pulley 12, a sliding block 13, a guide rail 14, a crank 15, a first groove 151, a second groove 152, a connecting rod 16, a linear motor 17, a motor shaft 171 of the linear motor, a charging installation block 18 and a rope 19.

Detailed Description

The invention will be further explained with reference to the drawings and the embodiments.

As shown in the attached figures 1 and 2, the suspension damping power generation backpack comprises an inner plate 7 and an outer plate 6, wherein the inner plate 7 is worn on the upper limb of a human body through a shoulder strap 3 assembly, the outer plate 6 is connected with an intermediate connecting piece for placing articles, and the inner plate 7 is connected with the outer plate 6 in a sliding mode in a vertical reciprocating mode through a damping power generation mechanism.

The working principle of the invention is as follows: when the suspension shock-absorbing power-generating backpack is used, the backpack is worn on the upper limbs of a human body through the shoulder strap assemblies, a heavy object to be borne is placed at the middle connecting piece connected with the outer plate 6, when the backpack is worn on the back of the human body, the gravity center of a person can reciprocate in the vertical direction, the inner plate 7 is worn on the upper limbs of the human body through the shoulder strap 3 assemblies, the inner plate 7 can be approximately considered to reciprocate together with the gravity center of the human body in the vertical direction, the movement trend of the outer plate 6 is obtained by the movement of the inner plate 7 after the shock-absorbing buffering of the shock-absorbing power-generating mechanism, namely, the movement of the human body cannot be directly transmitted to the outer plate 6 on which the heavy object is placed, if the inner plate 7 moves upwards along with the gravity center of the person, the shock-absorbing power-generating mechanism on the vertical sliding path of the inner plate 7 and the outer plate 6 can absorb part of shock waves generated by the movement of the inner plate 7 on the one hand, therefore, the shock wave transmitted to the outer plate 6 through the shock absorption power generation mechanism is greatly reduced, the downward movement amplitude of the outer plate 6 under the action of the shock wave is also greatly reduced, when the inner plate 7 moves downward along with the gravity center of a person, the shock absorption power generation mechanism positioned on the vertical sliding path of the inner plate 7 and the outer plate 6 can also absorb part of the shock wave generated by the movement of the inner plate 7, and the shock wave transmitted to the outer plate 6 through the shock absorption power generation mechanism is also greatly reduced; on the other hand, the damping power generation mechanism absorbs and damps the energy of the relative vertical movement of the inner plate 7 and the outer plate 6 in the human motion process, the absorbed energy can be further generated through the damping power generation mechanism, the purpose of converting the power of the vertical motion of the backpack into electric energy is realized, the generated electric energy can be used for illuminating external electric equipment or charging electronic equipment, and the backpack vertical movement power generation mechanism is particularly suitable for outdoor sports, marching combat or night walking and the like.

In conclusion, in the using process of the backpack, when a human body moves, the human body only drives the inner layer plate 7 to move together, the outer plate 6 for placing the heavy object is decoupled from the movement of the human body, and when the gravity center of the human body moves upwards or downwards in the moving process, the absolute movement of the outer plate 6 for placing the heavy object relative to the ground is always very small or even not under the action of the damping power generation mechanism, so that the load inertia impact caused by the fluctuation of the heavy object is reduced, and the effects of saving labor and relieving the shoulder pressure are achieved; on the other hand, the energy of the vertical movement of the backpack in the movement process of the human body is further absorbed by the damping power generation mechanism to generate power, and the conversion and utilization of the energy are realized.

As shown in fig. 3 and fig. 4, in this embodiment, the damping power generation mechanism includes a damping elastic part 8, a power generation assembly and a pulley system assembly, the damping elastic part 8 is installed on the vertical sliding path of the inner plate 7 and the outer plate 6, so that the inner plate 7 and the outer plate 6 can drive the damping elastic part 8 to extend or shorten when sliding relatively to the vertical direction, the pulley system assembly includes a pulley system and a rope 19 sleeved on the pulley system, the rope 19 is also connected with the power generation assembly, the outer plate 6 can also drive the pulley system to move when sliding relatively to the inner plate 7, so that the rope 19 on the pulley system moves and drives the power generation assembly to generate power. The damping elastic part 8 is a spring.

Like this, when the human body was carried this knapsack walking on the back, the human focus of inner plate 7 following is at the approximate synchronous motion of vertical direction, make produce relative vertical slip between inner plate 7 and planking 6, the mode that lies in this moment on the vertical slip path of inner plate 7 and planking 6 will be through extension or shorten absorbs the shock wave that vertical slip produced between the two, thereby make the shock wave that finally transmits to on planking 6 reduce greatly, planking 6 with placing the absolute motion amplitude on ground in whole motion process of storing bag 1 connection of heavy object is less all the time, just reduced the impact that the heavy object fluctuation led to the fact the human shoulder from this, the pressure that human shoulder received has been alleviated greatly.

On the other hand, when relative sliding is generated between the inner-layer plate 7 and the outer plate 6, the outer plate 6 can also drive the pulley system to move, the rope 19 sleeved on the pulley system also moves at the moment, the rope 19 is connected with the power generation assembly, and the movement of the rope 19 can further drive the power generation assembly to generate power, so that the purpose of further absorbing the energy of the vertical movement of the backpack for power generation and realizing energy conversion and utilization is realized. Simultaneously, adopt pulley system and 19 mode of transmitting the vertical motion of knapsack to the electricity generation subassembly to compare with the traditional structural style who adopts the gear, the weight of this scheme pulley system subassembly's structural style reduces greatly, and the line drive's mode also makes whole drive mechanism simple light more to make the weight greatly reduced of whole knapsack, use the travelling comfort and improve greatly.

In this embodiment, the pulley system includes a fixed pulley block and a movable pulley block, the fixed pulley block is rotatably connected to the inner plate 7, and the movable pulley block is rotatably connected to the outer plate 6 through the sliding block 13, so that the movable pulley block can be driven to move synchronously through the sliding block 13 when the outer plate 6 slides vertically relative to the inner plate 7.

Like this, through setting up standing block and running block, and the standing block rotates to be connected on inner plate 7, the running block then rotates to be connected on planking 6, when planking 6 is relative inner plate 7 vertical slip often, planking 6 can drive running block synchronous motion, the standing block plays the effect that changes the direction of transmission simultaneously when using, the running block then plays the effect of enlargiing the vertical motion of planking 6 and handling, so running block and running block's combined use, can amplify the vertical motion of planking 6 and transmit power generation component department according to specific direction after handling.

In this embodiment, the fixed pulley group includes a first fixed pulley 9, the first fixed pulley 9 is rotatably connected to the inner plate 7, the movable pulley group includes a first movable pulley 11, one end of a rope 19 is fixed to the inner plate 7 at a position corresponding to the first fixed pulley 9, and the other end of the rope 19 sequentially crosses over the first movable pulley 11 and the first fixed pulley 9 and then is connected to the power generation assembly, so that the vertical motion of the outer plate 6 is amplified by the pulley system assembly and then transmitted to the power generation assembly.

Like this, through setting up first fixed pulley 9 and first movable pulley 11 to being connected with the electricity generation subassembly after strideing across first movable pulley 11 and first fixed pulley 9 with rope 19 in proper order, can realizing transmitting electricity generation subassembly department through rope 19 after the twice is enlarged to the stroke of backpack vertical motion like this, reach the purpose that improves the electricity generation energy from this.

In this embodiment, the fixed pulley block further includes a second fixed pulley 10, the first fixed pulley 9 and the second fixed pulley 10 are the same in size and are distributed along the horizontal axial direction, the movable pulley block further includes a second movable pulley 12, the size of the first movable pulley 11 is smaller than that of the second movable pulley 12, the first movable pulley 11 and the second movable pulley 12 are distributed along the horizontal vertical direction, one end of the rope 19 is fixed on the inner plate 7 at the corresponding position of the first fixed pulley 9, and the other end of the rope 19 sequentially crosses over the first movable pulley 11, the first fixed pulley 9, the second movable pulley 12 and the second fixed pulley 10 and then is connected with the power generation assembly, so that the vertical motion of the outer plate 6 is amplified through the pulley system assembly and then transmitted to the power generation assembly.

In this way, by arranging the second fixed pulley 10 and the second movable pulley 12, the first fixed pulley 9 and the second fixed pulley 10 are arranged in the axial direction, the first movable pulley 11 and the second movable pulley 12 are arranged in the vertical direction, then the rope 19 sequentially crosses the first movable pulley 11, the first fixed pulley 9, the second movable pulley 12 and the second fixed pulley 10 and then is connected with the power generation assembly, so that two times of direction change is realized by utilizing the two fixed pulleys, and the four-time amplification effect of the backpack stroke is realized by the two movable pulleys, thereby realizing the purpose of further improving the power generation energy.

In the present embodiment, the vibration-damping power generation mechanism includes two sets of pulley train assemblies which are symmetrically disposed at both ends of the diagonal line of the inner plate 7 in the initial state, so that the two sets of pulley train assemblies have opposite directions of movement when the outer plate 6 vertically slides.

Thus, when a person walks with a heavy object in the storage bag 1 of the backpack and the backpack with the shifted center of gravity moves, when the outer plate 6 moves downwards relative to the inner plate 7, the rope 19 in the pulley system assembly positioned above the inner plate 7 is stretched downwards, and the stretching stroke is amplified by the pulley system above and then transmitted to the power generation assembly; because the elastic damping members 8 are stretched when the outer plate 6 is downward, the elastic damping members 8 give elasticity to the outer plate 6 to enable the outer plate 6 to move upward, the ropes 19 positioned below the inner plate 7 are stretched upward, the stretching stroke is amplified by the pulley systems below and then transmitted to the power generation assembly, in the whole movement process, the ropes 19 in the two pulley system assemblies form a closed loop, when the outer plate 6 slides vertically, the ropes 19 in one pulley system assembly are in a tensioned state, the ropes 19 in the other pulley system assembly are in a relaxed state, and the two ropes 19 jointly act on the power generation assembly.

As shown in fig. 5, in this embodiment, the power generation assembly includes a crank link unit and a power generation unit, the crank link unit includes a crank 15 and a link 16, the crank 15 is rotatably connected to the inner plate 7, a first groove 151 and a second groove 152 are respectively formed in the circumferential direction of the crank 15, the ropes 19 in the two pulley system assemblies are respectively connected to the first groove 151 and the second groove 152, so that the ropes 19 in the two pulley system assemblies can respectively drive the crank 15 to rotate in different directions when moving, one end of the link 16 is rotatably connected to the crank 15, the connection point between the link 16 and the crank 15 deviates from the rotation center point of the crank 15, one end of the link 16 far from the connection crank 15 is connected to the power generation unit, so as to convert the rotation motion of the crank 15 into a linear motion and transmit the linear motion to the power generation unit, the power generation unit includes a linear motor 17, the linear motor 17 is fixedly connected to the inner plate 7, and the motor shaft 171 of the linear motor is connected to the link 16 so that the link 16 can move the motor shaft 171 of the linear motor in a linear motion.

Thus, when a weight is loaded in the storage bag 1 of the backpack, the backpack with a shifted center of gravity can move when a person walks, when the outer plate 6 moves downwards relative to the inner plate 7, the outer plate 6 drives the movable pulley block above the inner plate 7 to move downwards through the slide block 13, the rope 19 in the pulley system assembly is stretched downwards while the movable pulley block moves downwards, the stretching stroke is amplified four times by the upper pulley system and then transmitted to the crank 15, the resistance on the crank connecting rod unit is also amplified four times and then fed back to the motion of the pulley system assembly, at the moment, the crank 15 rotates anticlockwise under the action of the rope 19 in the upper pulley system assembly, the power of anticlockwise rotation of the crank 15 further drives the motor shaft 171 of the linear motor to do vertical and downward linear movement through the connecting rod 16, and at the moment, the linear motor 17 can generate electric energy; meanwhile, as the damping elastic part 8 is stretched when the outer plate 6 moves downwards, the damping elastic part 8 gives elastic force to the outer plate 6 to enable the outer plate 6 to move upwards, the outer plate 6 moves upwards and simultaneously drives the movable pulley block below the inner plate 7 to move upwards through the sliding block 13, the rope 19 in the pulley system assembly is also stretched upwards while the movable pulley block moves upwards, the stretching stroke is amplified four times by the pulley system below and then transmitted to the crank 15, the resistance on the crank connecting rod unit is also amplified four times and then fed back to the motion of the pulley system assembly, at the moment, the crank 15 rotates clockwise under the action of the rope 19 in the pulley system assembly below, the power of the clockwise rotation of the crank 15 further drives the motor shaft 171 of the linear motor to do vertical and upward linear movement through the connecting rod 16, and at the moment, the linear motor 17 also sends out electric energy.

During the whole movement, the ropes 19 in the two groups of pulley system assemblies form a closed loop, when the outer plate 6 slides vertically, the rope 19 in one pulley system assembly is in a tensioned state, the rope 19 in the other pulley system assembly is in a relaxed state, and the two ropes 19 jointly act on the crank 15 to drive the crank 15 to rotate. Therefore, the outer plate 6 in the scheme can be subjected to stroke amplification by the pulley system assembly at the corresponding position no matter the outer plate moves upwards or downwards, the stroke is transmitted to the crank 15, the crank 15 is driven to rotate, the crank 15 rotates, the connecting rod 16 further drives the motor shaft 171 of the linear motor to do vertical linear motion, and therefore the power generation capacity is further improved.

As shown in fig. 6, in this embodiment, the power generation assembly further includes a charging unit, the charging unit includes a rectifying module, a primary voltage stabilizing module, a power module, a secondary voltage stabilizing module and a USB interface module, an electric energy input end of the rectifying module is connected to an electric energy output end of the linear motor 17 to rectify the electric energy generated by the linear motor 17, an electric energy input end of the primary voltage stabilizing module is connected to an electric energy output end of the rectifying module to perform primary voltage stabilizing on the electric energy rectified by the rectifying module, an electric energy input end of the power module is connected to an electric energy output end of the primary voltage stabilizing module to use the electric energy voltage-stabilized by the primary voltage stabilizing module to charge the power module, an electric energy input end of the secondary voltage stabilizing module is connected to an electric energy output end of the power module to perform secondary voltage stabilizing on the electric energy of the power module, the USB interface module is connected with the electric energy output end of the secondary voltage stabilizing module so as to charge the electric energy subjected to voltage stabilizing processing by the secondary voltage stabilizing module to the outside and supply power to electric equipment. Specifically, the internal circuits of the rectification module, the primary voltage stabilizing module, the power supply module, the secondary voltage stabilizing module and the USB interface module all adopt corresponding circuits in the prior art, and therefore, the specific circuit structure of the modules is not explained in the present invention.

Therefore, the state of the human body in the motion process is constantly changed, so that the electric energy emitted by the linear motor 17 is also unstable, the part of electric energy needs to be subjected to relevant rectification and voltage stabilization treatment before use, the electric energy emitted by the linear motor 17 is firstly subjected to rectification treatment by the rectification module in the scheme, the electric energy subjected to rectification treatment is further subjected to voltage stabilization treatment by the primary voltage stabilization module, the electric energy subjected to primary voltage stabilization treatment can be directly used for charging the power supply module, the electric energy output by the power supply module is further subjected to voltage stabilization treatment by the secondary voltage stabilization module and then output to the USB interface module, and the USB interface module can be used for directly supplying power to external charging equipment and electric equipment, so that the occasions of people on electric energy requirements of outdoor activities, marching operations, night walking and the like are met.

In this embodiment, the axial bilateral symmetry at inner plate 7 is equipped with two damping elastic pieces 8, the axial both sides at inner plate 7 still symmetry are equipped with the guide rail 14 of two vertical settings, there are two sliders 13 along vertical direction sliding connection on guide rail 14, slider 13 fixed connection is on planking 6, the movable pulley group in two sets of pulley system subassemblies is fixed connection respectively on the slider 13 that is close to this group's fixed pulley group on the guide rail 14 that corresponds the side, and the stiff end fixed connection of damping elastic piece 8 is on the inner plate 7 that corresponds the position, the flexible end fixed connection of damping elastic piece 8 is on the slider 13 that is close to damping elastic piece 8 on corresponding side guide rail 14.

Like this, utilize two damping elastic parts 8 of axial setting to improve the shock attenuation effect, through setting up guide rail 14, utilize guide rail 14 to lead the removal of slider 13, and then lead the removal of running block, simultaneously, the flexible end fixed connection of damping elastic part 8 can utilize damping elastic part 8 to reset to planking 6 on corresponding side guide rail 14 is close to damping elastic part 8's slider 13.

In this embodiment, the shoulder straps 3 are made of canvas materials, the shoulder straps 3 comprise shoulder straps 3, a waist belt 4 and a back connecting piece 2, the backpack connecting piece is used for being in direct contact with the back of a human body and connected with an inner plate 7, the shoulder straps 3 are provided with length adjusting devices, and the waist belt 4 is provided with a buckle 5 which is convenient to put on and take off.

Like this, 3 subassemblies in the baldric adopt the canvas material to make, and the knapsack connecting piece be used for with human back direct contact, can improve the travelling comfort that whole back was dressed, the length adjustment device on the baldric 3 and buckle 5 on the waistband 4 can satisfy different human dresses demands simultaneously.

In this embodiment, the inner plate 7 is made of a high-density sponge plate, and a plurality of lightening holes are further formed in the inner plate 7. The first groove 151 and the second groove 152 are respectively provided with a first rod piece and a second rod piece, and the ropes 19 in the two groups of pulley system assemblies are respectively connected with the first rod piece and the second rod piece. A claw nail is arranged at the position of the inner plate 7 for mounting the first fixed pulley 9, and the other end of the rope 19 connected with the first rod piece or the second rod piece is fixedly connected with the claw nail. A charging mounting block 18 is also provided on the inner plate 7, and the charging unit is disposed in the charging mounting block 18.

In the embodiment, the middle connecting piece is a storage bag 1, and the storage bag 1 is connected to the outer plate;

or the middle connecting piece is a storage rod which extends backwards and is used for directly placing heavy objects;

or the middle connecting piece is a storage plate which is rotationally connected with the outer plate through a hinge.

Like this, when middle connecting piece adopted storing bag 1, can directly place the heavy object in storing bag 1, the demand of placing of multiple type heavy object can be satisfied in storing bag 1's form, especially is fit for the demand of placing of multiple article, when middle connecting piece is for putting the thing pole or putting the thing board, is fit for the demand of placing of single major possession heavy object, puts the thing board simultaneously and rotates through hinge and planking to be connected and can also realize will putting the thing board and carry out the folding purpose when not using. When the connecting device is used specifically, different intermediate connecting pieces can be selected according to requirements. In this embodiment the intermediate connection takes the form of the structure of the storage bag 1.

The complete work flow of suspension shock attenuation electricity generation knapsack of this scheme does:

the suspension shock attenuation electricity generation knapsack of this scheme is when using, earlier with the 3 dresses in human shoulder of the baldric of both sides, then adjusts suitable length with baldric 3 through the length adjustment device on baldric 3, recycles buckle 5 on waistband 4 and dresses waistband 4 in human waist position, accomplishes the purpose of dressing the knapsack at human upper limbs from this, then place the heavy object in storing bag 1 can again.

When a human body bears the backpack to walk, the gravity center of the human body can reciprocate in the vertical direction, the inner plate 7 is worn on the upper limbs of the human body through the shoulder strap assembly, the inner plate 7 can be approximately considered to reciprocate in the vertical direction along with the gravity center of the human body, the motion trend of the outer plate 6 is obtained by the motion of the inner plate after the damping and buffering of the damping elastic piece 8, namely, the relative vertical sliding is generated between the inner plate 7 and the outer plate 6, for example, when the outer plate 6 moves downwards relative to the inner plate 7, the damping elastic piece 8 positioned on the vertical sliding path of the inner plate 7 and the outer plate 6 is compressed, the outer plate 6 also drives the movable pulley block to synchronously move downwards through the sliding block 13 when moving downwards, the rope positioned in the pulley system at the upper left side of the inner plate 7 is stretched downwards, and the stretched stroke of the rope is amplified by four times of the fixed pulley block and then transmitted to the crank, the crank 15 rotates anticlockwise under the action of a rope in the upper left pulley system assembly, the anticlockwise rotating power of the crank 15 further drives a motor shaft of the linear motor 17 to do vertical and downward linear movement through a connecting rod, at the moment, the linear motor 17 generates electric energy, the electric energy generated by the linear motor 17 is further processed by the rectifying module and the primary voltage stabilizing module and then charges the power supply module, and meanwhile, the electric energy output by the power supply module is further subjected to voltage stabilizing processing by the secondary voltage stabilizing module and then is output to the USB interface module to be directly used for supplying power to external charging and electric equipment; when the outer plate 6 moves downwards along the inner plate 7, the damping elastic part 8 is compressed under the action of the outer plate 6, so that the damping elastic part 8 can provide an upward acting force for the outer plate 6, when the outer plate 6 moves downwards along the inner plate 7 to a certain distance, the outer plate 6 moves upwards along the inner plate 7 under the action of the damping elastic part 8, the outer plate 6 moves upwards and simultaneously drives the movable pulley block on the right lower part of the inner plate 7 to move upwards through the slide block, the rope in the pulley system assembly is also stretched upwards when the movable pulley block moves upwards, the stretching stroke is amplified by four times by the fixed pulley system on the lower part and then transmitted to the crank 15, at the moment, the crank 15 rotates clockwise under the action of the rope in the pulley system assembly on the lower part, and the power of clockwise rotation of the crank further drives the motor shaft of the linear motor 17 to do vertical and upward linear movement through the connecting rod, at this moment, linear electric motor 17 will also send out the electric energy, the electric energy that linear electric motor 17 sent is further handled through rectifier module and one-level voltage stabilizing module again and is charged power module, the electric energy of power module output is further handled through second grade voltage stabilizing module voltage stabilizing and is exported USB interface module in order directly to be used for external charging and consumer to supply power simultaneously, therefore, this scheme is at human motion's whole in-process, no matter the relative inner plating of planking is upward movement or downstream, the motion stroke homoenergetic of planking is given the crank after being enlargeed, and the motor shaft that further drives linear electric motor through the crank carries out the motion electricity generation, this scheme can not only carry out the shock attenuation to the motion of the relative human shoulder of knapsack in the motion process from this, can convert the power of the vertical motion of knapsack into the electric energy and use simultaneously.

The whole backpack is made of lighter materials, so that the weight of the whole backpack is reduced, and the burden of a human body in the process of exercise can be reduced. The invention adopts the linear motor 17 to generate electricity, and the structure is simpler. The invention adopts the pulley system component to amplify the stroke and the damping, the stroke of the up-and-down movement of the outer plate 6 is amplified by four times to the linear motor 17, and the resistance on the crank connecting rod unit is amplified by four times. The invention adopts a line transmission mode, so that the whole transmission mechanism is simpler and lighter, and the weight of the whole backpack is greatly reduced. The crank connecting rod mechanism is connected with the pulley system in a rope 19 mode, the large-stroke linear motion is converted into the small-stroke reciprocating motion, the up-and-down motion of the backpack can be completely transmitted to the linear generator, energy is generated, and therefore power generation energy is improved. The invention reduces energy loss by generating electricity during movement. The linear motor 17 of the backpack can realize 60 times of reciprocating motion per minute during walking, the stable power generated is more than 1W, and the power generation efficiency during walking is 70 percent; the linear motor 17 can realize 60 times of reciprocating motion per minute during running, the stable power is more than 2W, and the generating efficiency during running is 85%. The invention can be suitable for outdoor activities of people (such as difficulty in power utilization during riding and spring trip), field operation (such as power utilization processing tasks required by soldiers or field workers in places far away from a power grid) and daily life (such as charging intelligent equipment on the way of school in office) and the like, and has wide application range.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.