阅读说明：本技术 一种续航时间长的散热型随身wifi设备 (Heat dissipation type portable WIFI equipment with long endurance time ) 是由 胡佳琪 于 2020-05-26 设计创作，主要内容包括：本发明涉及一种续航时间长的散热型随身WIFI设备,包括主体和密封盖,还包括散热机构和充电机构,所述散热机构包括防尘网、两个固定组件和至少两个连接组件,所述连接组件包括柱形凹口、活塞柱、定位绳、弹簧和通气管,所述充电机构包括支撑杆、滚珠丝杠轴承、丝杆、环形齿条、安装轴承、两个发电组件和至少两个扇叶,所述固定组件包括弹性杆、限位块和限位槽,该续航时间长的散热型随身WIFI设备中,通过散热机构提高了随身WIFI设备的散热效率,提高了随身WIFI设备工作的可靠性,通过充电机构可以生产电能给随身WIFI设备充电,延长了随身WIFI设备的续航时间。(The invention relates to a long-endurance radiating type carry-on WIFI device which comprises a main body, a sealing cover, a radiating mechanism and a charging mechanism, wherein the radiating mechanism comprises a dust screen, two fixing components and at least two connecting components, each connecting component comprises a cylindrical notch, a piston column, a positioning rope, a spring and a vent pipe, the charging mechanism comprises a supporting rod, a ball screw bearing, a screw rod, an annular rack, a mounting bearing, two power generation components and at least two fan blades, each fixing component comprises an elastic rod, a limiting block and a limiting groove, the radiating efficiency of the carry-on WIFI device is improved through the radiating mechanism, the working reliability of the carry-on WIFI device is improved, electric energy can be produced through the charging mechanism to charge the carry-on WIFI device, and the endurance time of the carry-on WIFI device is prolonged.)

1. A heat dissipation type carry-on WIFI device with long endurance time comprises a main body (3) and a sealing cover (1), wherein a cavity is formed in the main body (3), an opening is formed in the bottom of the main body (3), and the sealing cover (1) covers the opening of the main body (3), and is characterized by further comprising a heat dissipation mechanism and a charging mechanism, wherein the heat dissipation mechanism is arranged on the main body (3), the charging mechanism is arranged in the main body (3), and the charging mechanism is connected with the sealing cover (1);

the heat dissipation mechanism comprises a dust screen (9), two fixing components and at least two connecting components, wherein the dust screen (9) is cylindrical, one end of the dust screen (9) is fixedly connected with the inner wall of the periphery of the bottom of the main body (3), the other end of the dust screen (9) is fixedly connected with the sealing cover (1), the two fixing components are respectively arranged on two sides of the main body (3), the sealing cover (1) is connected with the main body (3) through the fixing components, the connecting components are uniformly arranged in the shell around the main body (3) in the circumferential direction, and the connecting components are uniformly connected with the sealing cover (1);

the connecting assembly comprises a cylindrical notch (16), a piston column (4), a positioning rope (13), a spring (14) and a vent pipe (15), the cylindrical notch (16) is arranged on one side, close to the sealing cover (1), of the shell on one side of the main body (3), the axis of the cylindrical notch (16) is perpendicular to the sealing cover (1), the piston column (4) and the cylindrical notch (16) are coaxially arranged, one end of the piston column (4) is arranged inside the cylindrical notch (16), the other end of the piston column (4) is fixedly connected with the sealing cover (1), the piston column (4) and the cylindrical notch (16) are in sliding and sealing connection, one end of the piston column (4) is fixedly connected with the inner wall of the bottom of the cylindrical notch (16) through the spring (14), the spring (14) is in a compression state, the bottom of the cylindrical notch (16) is communicated with the inside of the main body (3) through the vent pipe (15), one end of the piston column (4) is fixedly connected with the inner wall of the bottom of the cylindrical notch (16) through a positioning rope (13), and the length of the positioning rope (13) is smaller than the depth of the cylindrical notch (16);

charging mechanism includes bracing piece (5), ball bearing (20), lead screw (6), annular rack (17), installation bearing (18), two electricity generation subassemblies and two at least flabellums (7), the inside that is close to the one end of sealed lid (1) of main part (3) is fixed in bracing piece (5), bracing piece (5) are connected with ball bearing (20), lead screw (6) are parallel with the axis of cylindricality notch (16), the one end of lead screw (6) is passed through installation bearing (18) and is connected with sealed lid (1), lead screw (6) are connected with ball bearing (20), annular rack (17) set up between bracing piece (5) and sealed lid (1), annular rack (17) and lead screw (6) coaxial setting, and each flabellum (7) evenly set up round lead screw (6) circumference, the one end of lead screw (6) that is close to sealed lid (1) is through each flabellum (7) and annular rack (17) ) Fixed connection, two electricity generation subassemblies all set up on sealed lid (1), and two electricity generation subassemblies all are connected with annular rack (17).

2. The long-endurance heat-dissipation type portable WIFI apparatus according to claim 1, wherein a control panel is disposed on a top of the main body (3), the control panel is provided with a display screen and at least two control keys, a PLC is disposed inside the main body (3), and the display screen and each control key are electrically connected to the PLC.

3. The long-endurance heat-dissipation type portable WIFI apparatus according to claim 1, wherein the fixing component comprises an elastic rod (12), a limiting block (11) and a limiting groove (10), the elastic rod (12) is parallel to an axis of the cylindrical recess (16), one end of the elastic rod (12) is fixedly connected with one side of the main body (3), the limiting groove (10) is disposed on one side of the sealing cover (1) close to the elastic rod (12), the other end of the elastic rod (12) is fixedly connected with the limiting block (11), and the limiting block (11) is disposed inside the limiting groove (10).

4. The long-endurance heat-dissipation type portable WIFI apparatus according to claim 3, wherein the limiting block (11) is provided with anti-slip patterns.

5. The long-endurance heat-dissipation type personal WIFI device is characterized in that the power generation assembly comprises a power generator (8) and a gear (19), the power generator (8) is fixedly connected with the sealing cover (1), the power generator (8) is in transmission connection with the gear (19), and the gear (19) is meshed with the annular rack (17).

6. The long-endurance heat-dissipation type portable WIFI apparatus according to claim 1, wherein the screw rod (6) is coated with grease.

7. The long-endurance heat-dissipation type portable WIFI apparatus according to claim 1, wherein a positioning block (21) is disposed on one end of the screw rod (6) away from the sealing cover (1).

8. The long-endurance heat-dissipation type portable WIFI apparatus according to claim 1, wherein the sealing cover (1) is provided with a sealing ring, and the sealing cover (1) is connected with the main body (3) in a sealing manner through the sealing ring.

9. The long-endurance, heat-dissipating type WIFI-on-board device according to claim 1, wherein the sealing lid (1) is provided with a solar panel (2).

10. The long-endurance, heat-dissipating, carry-on WIFI device of claim 1, wherein the piston post (4) is coated with a sealing grease.

Technical Field

The invention relates to the field of communication equipment, in particular to a heat dissipation type portable WIFI device with long endurance time.

Background

The communication device is called ICD for short, and comprises wired communication device and wireless communication device. The wired communication equipment mainly comprises serial port communication, professional bus type communication, industrial Ethernet communication and conversion equipment among various communication protocols. The wireless communication equipment mainly comprises wireless AP, a wireless network bridge, a wireless network card, a wireless lightning arrester, an antenna and the like.

The portable WIFI equipment is used as communication equipment, a large amount of heat can be generated inside the portable WIFI equipment in the working process of the portable WIFI equipment, if the heat is not emitted timely, the temperature of the portable WIFI equipment can be increased, the working stability of the portable WIFI equipment is reduced, and moreover, the portable WIFI equipment in the prior art is powered by a storage battery, so that the endurance time of the portable WIFI equipment is limited, and the practicability of the portable WIFI equipment is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the heat dissipation type portable WIFI equipment with long endurance time is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a heat dissipation type carry-on WIFI device with long endurance time comprises a main body and a sealing cover, wherein a cavity is formed in the main body, an opening is formed in the bottom of the main body, the sealing cover covers the opening of the main body, the heat dissipation type carry-on WIFI device also comprises a heat dissipation mechanism and a charging mechanism, the heat dissipation mechanism is arranged on the main body, the charging mechanism is arranged in the main body, and the charging mechanism is connected with the sealing cover;

the heat dissipation mechanism comprises a dust screen, two fixing components and at least two connecting components, wherein the dust screen is cylindrical, one end of the dust screen is fixedly connected with the inner wall of the periphery of the bottom of the main body, the other end of the dust screen is fixedly connected with a sealing cover, the two fixing components are respectively arranged on two sides of the main body, the sealing cover is connected with the main body through the fixing components, the connecting components are uniformly arranged in the shell around the main body in the circumferential direction, and the connecting components are uniformly connected through the sealing covers;

the connecting assembly comprises a cylindrical notch, a piston column, a positioning rope, a spring and a vent pipe, the cylindrical notch is arranged on one side, close to the sealing cover, of the shell on one side of the main body, the axis of the cylindrical notch is perpendicular to the sealing cover, the piston column and the cylindrical notch are coaxially arranged, one end of the piston column is arranged in the cylindrical notch, the other end of the piston column is fixedly connected with the sealing cover, the piston column is in sliding and sealing connection with the cylindrical notch, one end of the piston column is fixedly connected with the inner wall of the bottom of the cylindrical notch through the spring, the spring is in a compressed state, the bottom of the cylindrical notch is communicated with the interior of the main body through the vent pipe, one end of the piston column is fixedly connected with the inner wall of the bottom of the cylindrical notch through the positioning rope, and the length of the positioning;

the utility model discloses a charging mechanism, including the sealed lid of main part, the bracing piece sets up between bracing piece and sealed lid, annular rack and the coaxial setting of lead screw, and each flabellum evenly sets up round lead screw circumference, the one end that is close to sealed lid of lead screw passes through the installation bearing and is connected with sealed lid, the lead screw is connected with ball bearing, annular rack sets up between bracing piece and sealed lid, annular rack and the coaxial setting of lead screw, each flabellum, the one end that is close to sealed lid of lead screw is through each flabellum and annular rack fixed connection, and two electricity generation subassemblies all set up on sealed lid, and two electricity generation subassemblies all are connected with annular rack.

Preferably, in order to improve the automation degree of the carry-on WIFI equipment, a control panel is arranged at the top of the main body, a display screen and at least two control keys are arranged on the control panel, a PLC is arranged in the main body, and the display screen and the control keys are electrically connected with the PLC.

Preferably, in order to fix the main body and the sealing cover, the fixing assembly comprises an elastic rod, a limiting block and a limiting groove, the elastic rod is parallel to the axis of the cylindrical notch, one end of the elastic rod is fixedly connected with one side of the main body, the limiting groove is formed in one side, close to the elastic rod, of the sealing cover, the other end of the elastic rod is fixedly connected with the limiting block, and the limiting block is arranged inside the limiting groove.

Preferably, in order to improve the firmness of connection between the limiting block and the limiting groove, the limiting block is provided with anti-skid lines.

Preferably, in order to generate electric energy to charge the carry-on WIFI device, the power generation assembly comprises a power generator and a gear, the power generator is fixedly connected with the sealing cover, the power generator is in transmission connection with the gear, and the gear is meshed with the annular rack.

Preferably, the screw is coated with grease in order to reduce the wear rate of the screw.

Preferably, in order to improve the connection stability of the screw rod and the ball screw bearing, a positioning block is arranged at one end of the screw rod, which is far away from the sealing cover.

Preferably, in order to improve the sealing performance between the sealing cover and the main body, the sealing cover is provided with a sealing ring, and the sealing cover is connected with the main body in a sealing manner through the sealing ring.

Preferably, in order to prolong the endurance time of the portable WIFI equipment, a solar panel is arranged on the sealing cover.

Preferably, the piston post is coated with a sealing grease in order to improve sealing between the piston post and the cylindrical recess.

The heat dissipation type portable WIFI equipment with long endurance time has the advantages that the heat dissipation efficiency of the portable WIFI equipment is improved through the heat dissipation mechanism, the working reliability of the portable WIFI equipment is improved, compared with the existing heat dissipation mechanism, the heat dissipation mechanism enables air flow to circularly flow between the cylindrical notch and the inside of the main body through the piston column, the heat dissipation efficiency of the inside of the main body is improved, and moreover, electric energy can be generated through the charging mechanism to charge the portable WIFI equipment, the endurance time of the portable WIFI equipment is prolonged.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a heat dissipation type portable WIFI device with long endurance time according to the present invention;

fig. 2 is a cross-sectional view of the heat dissipation type portable WIFI device with long endurance time of the present invention;

fig. 3 is a schematic structural diagram of a heat dissipation mechanism of the heat dissipation type portable WIFI device with long endurance time of the invention;

fig. 4 is a schematic structural diagram of a charging mechanism of the heat dissipation type portable WIFI device with long endurance time of the present invention;

in the figure: 1. the solar energy collector comprises a sealing cover, 2 parts of a solar panel, 3 parts of a main body, 4 parts of a piston column, 5 parts of a supporting rod, 6 parts of a screw rod, 7 parts of a fan blade, 8 parts of a generator, 9 parts of a dust screen, 10 parts of a limiting groove, 11 parts of a limiting block, 12 parts of an elastic rod, 13 parts of a positioning rope, 14 parts of a spring, 15 parts of a vent pipe, 16 parts of a column-shaped notch, 17 parts of an annular rack, 18 parts of a mounting bearing, 19 parts of a gear, 20 parts of a ball screw bearing and 21.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, the heat dissipation type portable WIFI device with long endurance time comprises a main body 3 and a sealing cover 1, wherein a cavity is formed in the main body 3, an opening is formed in the bottom of the main body 3, the sealing cover 1 covers the opening of the main body 3, the heat dissipation device is arranged on the main body 3, the charging device is arranged in the main body 3, and the charging device is connected with the sealing cover 1;

the heat dissipation efficiency of the portable WIFI equipment is improved through the heat dissipation mechanism, the working reliability of the portable WIFI equipment is improved, and moreover, the portable WIFI equipment can be charged through the charging mechanism by producing electric energy, so that the endurance time of the portable WIFI equipment is prolonged;

as shown in fig. 2, the heat dissipation mechanism includes a dust screen 9, two fixing components and at least two connecting components, the dust screen 9 is cylindrical, one end of the dust screen 9 is fixedly connected with the inner wall around the bottom of the main body 3, the other end of the dust screen 9 is fixedly connected with the sealing cover 1, the two fixing components are respectively arranged at two sides of the main body 3, the sealing cover 1 is connected with the main body 3 through the fixing components, the connecting components are circumferentially and uniformly arranged inside the shell around the main body 3, and the connecting components are uniformly connected with the sealing cover 1;

as shown in fig. 3, the connecting assembly includes a cylindrical recess 16, a piston post 4, a positioning rope 13, a spring 14 and a vent pipe 15, the cylindrical recess 16 is disposed on one side of the sealing cover 1 of the housing on one side of the main body 3, an axis of the cylindrical recess 16 is perpendicular to the sealing cover 1, the piston post 4 is disposed coaxially with the cylindrical recess 16, one end of the piston post 4 is disposed inside the cylindrical recess 16, the other end of the piston post 4 is fixedly connected with the sealing cover 1, the piston post 4 is slidably and hermetically connected with the cylindrical recess 16, one end of the piston post 4 is fixedly connected with an inner wall of a bottom of the cylindrical recess 16 through the spring 14, the spring 14 is in a compressed state, the bottom of the cylindrical recess 16 is communicated with the inside of the main body 3 through the vent pipe 15, one end of the piston post 4 is fixedly connected with an inner wall of the bottom of the cylindrical recess 16 through the positioning rope, the length of the positioning rope 13 is less than the depth of the cylindrical notch 16;

under the action of the pulling force of the positioning rope 13, the probability that the piston column 4 falls off from the inside of the cylindrical notch 16 is reduced, the connection stability between the piston column 4 and the cylindrical notch 16 is improved, meanwhile, the connection stability between the main body 3 and the sealing cover 1 is improved under the limiting effect of the cylindrical notch 16 on the piston column 4, an operator opens the fixing component to separate the main body 3 from the sealing cover 1, when a user carries a portable WIFI device to move, the main body 3 and the sealing cover 1 are squeezed, meanwhile, under the action of the elastic force of the spring 14, the sealing cover 1 and the main body 3 move relatively, the dustproof performance between the sealing cover 1 and the main body 3 is improved through the dustproof net 9, the heat dissipation efficiency inside the main body 3 is accelerated through the opening and closing of the sealing cover 1, the heat dissipation efficiency of the portable WIFI device is improved, and the working reliability of the portable WIFI device is improved, meanwhile, when the piston column 4 moves along the cylindrical recess 16, the piston column 4 drives airflow to circularly flow in the cylindrical recess 16 and the main body 3, so that the heat dissipation efficiency of the carry-on WIFI equipment is improved;

as shown in fig. 4, the charging mechanism includes a support rod 5, a ball screw bearing 20, a screw rod 6, an annular rack 17, a mounting bearing 18, two power generating components and at least two fan blades 7, the support rod 5 is fixed inside one end of the main body 3 close to the sealing cover 1, the support rod 5 is connected with the ball screw bearing 20, the screw rod 6 is parallel to the axis of the cylindrical recess 16, one end of the screw rod 6 is connected with the sealing cover 1 through the mounting bearing 18, the screw rod 6 is connected with the ball screw bearing 20, the annular rack 17 is arranged between the support rod 5 and the sealing cover 1, the annular rack 17 and the screw rod 6 are coaxially arranged, each fan blade 7 is uniformly arranged around the circumference of the screw rod 6, one end of the screw rod 6 close to the sealing cover 1 is fixedly connected with the annular rack 17 through each fan blade 7, and the two power generating components are, both the two power generation assemblies are connected with the annular rack 17;

the stability of lead screw 6 has been improved through installation bearing 18, the stability of ball bearing 20 has been improved through bracing piece 5, when relative movement takes place between sealed lid 1 and main part 3, make lead screw 6 slide along ball bearing 20, then drive lead screw 6 through ball bearing 20 and rotate, then under the transmission of flabellum 7, drive annular rack 17 through lead screw 6 and rotate, then drive the electricity generation subassembly through annular rack 17 and move, produce the electric energy through the electricity generation subassembly, later charge with the personal WIFI equipment of electric energy supply, the time of endurance of personal WIFI equipment has been prolonged, simultaneously through flabellum 7 drive air current flow, then give off the heat of main part 3 inside through the air current from the clearance between main part 3 and sealed lid 1, the radiating efficiency of personal WIFI equipment has been improved.

Preferably, in order to improve the automation degree of the carry-on WIFI equipment, a control panel is arranged at the top of the main body 3, a display screen and at least two control keys are arranged on the control panel, a PLC is arranged in the main body 3, and the display screen and the control keys are electrically connected with the PLC;

the PLC can program the logic controller, it adopts a kind of programmable memorizer, it is used for its inside stored program, carry out the instruction to users such as logic operation, sequence control, timing, count and arithmetic operation, and control various kinds of machinery or production process through digital or analog input/output, it is a computer specialized in industrial control in essence, its hardware structure is basically the same as microcomputer, generally used for the processing of data and receipt and output of the instruction, used for realizing central control, the operating personnel sends the control signal to PLC through the control button, then control the operation of the personal WIFI apparatus through PLC, can show the working condition of the personal WIFI apparatus through the display screen at the same time, then has improved the degree of automation of the personal WIFI apparatus.

As shown in fig. 3, the fixing assembly includes an elastic rod 12, a limiting block 11 and a limiting groove 10, the elastic rod 12 is parallel to the axis of the cylindrical recess 16, one end of the elastic rod 12 is fixedly connected with one side of the main body 3, the limiting groove 10 is disposed on one side of the sealing cover 1 close to the elastic rod 12, the other end of the elastic rod 12 is fixedly connected with the limiting block 11, and the limiting block 11 is disposed inside the limiting groove 10;

the stability that stopper 11 and main part 3 are connected has been improved through elastic rod 12, and through the elastic action of elastic rod 12, make stopper 11 card go into the inside of spacing groove 10, then under the limiting action each other between stopper 11 and spacing groove 10, improved the stability that main part 3 and sealed lid 1 are connected, when operating personnel manually takes out stopper 11 from spacing groove 10 inside, make main part 3 and sealed lid 1 separate.

Preferably, in order to improve the firmness of the connection between the limiting block 11 and the limiting groove 10, the limiting block 11 is provided with anti-skid lines;

the friction force between the limiting block 11 and the limiting groove 10 is increased through the anti-slip patterns, and the firmness of connection between the limiting block 11 and the limiting groove 10 is improved.

Preferably, in order to generate electric energy to charge the personal WIFI equipment, the power generation assembly comprises a power generator 8 and a gear 19, the power generator 8 is fixedly connected with the sealing cover 1, the power generator 8 is in transmission connection with the gear 19, and the gear 19 is meshed with the annular rack 17;

the gear 19 is driven to rotate through the annular rack 17, the generator 8 is driven to operate through the gear 19, then the electric energy produced by the generator is supplied to the carry-on WIFI equipment for use, and the endurance time of the carry-on WIFI equipment is prolonged.

Preferably, in order to reduce the wear rate of the screw 6, the screw 6 is coated with grease;

the friction force between the screw 6 and the ball screw bearing 20 is reduced by the grease, and the wear rate of the screw 6 is reduced.

Preferably, in order to improve the stability of the connection between the screw rod 6 and the ball screw bearing 20, a positioning block 21 is arranged on one end of the screw rod 6, which is far away from the sealing cover 1;

the probability that the ball screw bearing 20 falls off from the screw 6 is reduced through the limiting block 21, and the connection stability of the screw 6 and the ball screw bearing 20 is improved.

Preferably, in order to improve the sealing performance between the sealing cover 1 and the main body 3, a sealing ring is arranged on the sealing cover 1, and the sealing cover 1 is connected with the main body 3 in a sealing way through the sealing ring;

the clearance between the sealing cover 1 and the main body 3 is reduced through the sealing ring, and the sealing performance between the sealing cover 1 and the main body 3 is improved.

Preferably, in order to prolong the endurance time of the portable WIFI equipment, the sealing cover 1 is provided with a solar panel 2;

solar energy is converted into electric energy through the solar panel 2, and then the electric energy is supplied to the portable WIFI equipment for use, so that the endurance time of the portable WIFI equipment is prolonged.

Preferably, in order to improve the sealing performance between the piston post 4 and the cylindrical recess 16, the piston post 4 is coated with a sealing grease;

the clearance between the piston post 4 and the cylindrical recess 16 is reduced by the sealing grease, the probability of air leakage between the cylindrical recess 16 and the piston post 14 is reduced, and the sealing performance between the piston post 4 and the cylindrical recess 16 is improved.

An operator opens the fixing component to separate the main body 3 from the sealing cover 1, when a user carries the portable WIFI device to move, the heat dissipation efficiency of the main body 3 is improved by the extrusion effect between the main body 3 and the sealing cover 1 and the relative movement between the sealing cover 1 and the main body 3 is accelerated by the opening and closing of the sealing cover 1, the heat dissipation efficiency of the portable WIFI device is improved, the working reliability of the portable WIFI device is improved, when the relative movement between the sealing cover 1 and the main body 3 occurs, the screw rod 6 slides along the ball screw bearing 20, the screw rod 6 is driven to rotate by the ball screw bearing 20, the annular rack 17 is driven to rotate by the screw rod 6 under the transmission effect of the fan blades 7, the power generation component is driven to operate by the annular rack 17 to generate electric energy, and then the electric energy is supplied to the portable WIFI device to be charged, the endurance time of the portable WIFI equipment is prolonged.

Compared with the prior art, among this long heat dissipation type of duration of a journey WIFI equipment with oneself, the radiating efficiency of WIFI equipment with oneself has been improved through heat dissipation mechanism, the reliability of WIFI equipment with oneself work has been improved, compared with current heat dissipation mechanism, this heat dissipation mechanism makes the air current circulate between cylindricality notch 16 and main part 3 inside through piston post 4, the efficiency that the inside heat of main part 3 gived off has been improved, moreover, can produce the electric energy through charging mechanism and charge for the WIFI equipment with oneself, the duration of a journey of WIFI equipment with oneself has been prolonged, compared with current charging mechanism, this charging mechanism rotates through drive flabellum 7, the efficiency that the inside heat of main part 3 gived off has further been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.