阅读说明：本技术 一种电机无功节能箱 (Reactive energy-saving box of motor ) 是由 刘凤侠 于 2020-07-01 设计创作，主要内容包括：本发明公开了一种电机无功节能箱,包括箱体和导热片,所述箱体的上端设置有盖子,且盖子的前后两端均设置有滑轨,所述盖子通过滑轨与箱体之间构成滑动结构,且滑轨与盖子左右两端外形尺寸相吻合,所述导热片设置于箱体的内部,且导热片的外表面设置有翅片,所述导热片的内部设置有散热管；盖子开启装置,与所述盖子连接,用于驱动所述盖子沿所述滑轨内滑动以使得盖子封闭或打开箱体,所述箱体的外表面设置有散热板。该电机无功节能箱设置有可滑动的盖子,便于工作人员对电机无功节能箱内部进行检修。(The invention discloses a reactive energy-saving box of a motor, which comprises a box body and a heat-conducting fin, wherein the upper end of the box body is provided with a cover, the front end and the rear end of the cover are respectively provided with a slide rail, the cover forms a sliding structure with the box body through the slide rails, the slide rails are matched with the left end and the right end of the cover in shape and size, the heat-conducting fin is arranged in the box body, the outer surface of the heat-conducting fin is provided with a fin, and the heat-conducting fin is internally provided; and the cover opening device is connected with the cover and used for driving the cover to slide along the slide rail so as to enable the cover to close or open the box body, and a heat dissipation plate is arranged on the outer surface of the box body. This reactive power energy-saving box of motor is provided with slidable lid, and the staff of being convenient for overhauls the reactive power energy-saving box of motor inside.)

1. The utility model provides a reactive power energy-saving box of motor, includes box (1) and conducting strip (7), its characterized in that: the heat-conducting fin is characterized in that a cover (2) is arranged at the upper end of the box body (1), slide rails (13) are arranged at the front end and the rear end of the cover (2), the cover (2) forms a sliding structure with the box body (1) through the slide rails (13), the slide rails (13) are matched with the left end and the right end of the cover (2) in shape and size, the heat-conducting fins (7) are arranged inside the box body (1), fins (9) are arranged on the outer surface of the heat-conducting fins (7), and radiating pipes (8) are arranged inside the heat-conducting fins (7); the cover opening device is connected with the cover (2) and used for driving the cover (2) to slide along the sliding rail (13) so that the cover (2) can close or open the box body (1), and a heat dissipation plate (14) is arranged on the outer surface of the box body (1).

2. A reactive power energy-saving box of an electric motor according to claim 1, characterized in that: the cap opening device includes: support (4), with box (1) upper portion inner wall fixed connection just is located the top of conducting strip (7), the internally mounted of support (4) has motor (3), and the right-hand member of support (4) installs lead screw (5), connecting piece (6) are installed to the centre of lead screw (5), connecting piece (6) upper end with lid (2) lower fixed surface is connected, and the right-hand member of lead screw (5) installs first bearing (15).

3. A reactive power energy-saving box of an electric motor according to claim 1, characterized in that: pillar (10) are installed to the lower extreme of box (1), stabilizer blade (11) are installed to the lower extreme of pillar (10), and slipmat (12) are installed to the lower extreme of stabilizer blade (11).

4. A reactive power energy-saving box of an electric motor according to claim 1, characterized in that: constitute half encirclement structure between fin (9) and conducting strip (7), and be the welding between cooling tube (8) and conducting strip (7), and cooling tube (8) set up to hollow structure, and cooling tube (8) are provided with 7 groups simultaneously.

5. A reactive power energy-saving box of motor according to claim 2, characterized in that: the connecting piece (6) is in threaded connection with the screw rod (5), and the connecting piece (6) is fixedly connected with the cover (2).

6. A reactive power energy-saving box of motor according to claim 2, characterized in that: the screw rod (5) forms a rotating structure with the box body (1) through the motor (3) and the first bearing (15), and the first bearing (15) is welded with the box body (1).

7. A reactive power energy-saving box of an electric motor according to claim 1, characterized in that: the heat dissipation plate (14) penetrates through the outer surface of the box body (1), and the heat dissipation plate (14) is of a hollow net structure.

8. A reactive power energy-saving box of motor according to claim 2, characterized in that: the support legs (11) are connected with the anti-skid pads (12) in an adhesive mode, the lower ends of the anti-skid pads (12) are arranged to be of a convex thorn-shaped structure, and the support legs (11) are arranged to be of a round table-shaped structure.

9. A reactive power energy-saving box of motor according to claim 2, characterized in that: still set up the clearance subassembly in box (1), the clearance subassembly includes:

a first bevel gear (16), said first bevel gear (16) being mounted on said screw (5), said first bevel gear (16) being located between said connection (6) and said motor (3);

a second bevel gear (17), said second bevel gear (17) being disposed below said first bevel gear (16), said second bevel gear (17) being in mesh with said first bevel gear (16);

the first limiting plate (18), the first limiting plate (18) is arranged below the second bevel gear (17), two ends of the first limiting plate (18) are fixedly connected with the inner walls of two sides of the box body (1) respectively, and a second bearing (19) is arranged in the first limiting plate (18);

the second limiting plate (20) is arranged on the inner wall of the bottom end of the box body (1), a third bearing (21) is arranged in the second limiting plate (20), and the circle center of the third bearing (21) and the circle center of the second bearing (19) are on the same vertical line;

the moving plate (22), the moving plate (22) is arranged between the second limiting plate (20) and the first limiting plate (18), and a threaded hole (23) and a through hole (24) are formed in the moving plate (22);

the screw rod (25) is arranged between the second bevel gear (17) and the third bearing (21), one end of the screw rod (25) is fixedly connected with the lower end of the second bevel gear (17), the other end of the screw rod (25) sequentially penetrates through the second bearing (19) and the threaded hole (23) to extend into the third bearing (21) and be fixedly connected with the inner ring of the third bearing (21), and the screw rod (25) is in threaded connection with the movable plate (22) through the threaded hole (23);

the guide rod (26) is arranged in parallel with the screw rod (25), one end of the guide rod (26) is fixedly connected with the bottom end of the first limiting plate (18), and the other end of the guide rod (26) penetrates through the through hole (24) to be fixedly connected with the inner wall of the bottom end of the box body (1);

the two scraping plates (27) are symmetrically arranged on the front side wall and the rear side wall of the heat conducting sheet (7), a spring (28) is arranged between each scraping plate (27) and the corresponding movable plate (22), one end of each spring (28) is fixedly connected with the bottom end of the corresponding movable plate (22), the other end of each spring (28) is fixedly connected with one end, far away from the bottom end of the corresponding box body (1), of each scraping plate (27), a baffle (29) is arranged at one end, far away from the corresponding heat conducting sheet (7), of each scraping plate (27), the baffle (29) is perpendicular to the corresponding scraping plate (27), a connecting rod (30) is arranged between each baffle (29) and the corresponding movable plate (22), one end of each connecting rod (30) is fixedly connected with the bottom end of the corresponding movable plate (22), and the other end of each connecting rod (;

the ash discharging holes (31) are formed in the left side wall of the box body (1), and the number of the ash discharging holes (31) is two;

the fixing block (32) is arranged below the ash discharge hole (31), the side wall of the fixing block (32) is provided with an inclined surface, and the surfaces of the fixing block (32) and the scraper (27) are provided with mutually matched inclined surfaces;

ash storage box (33), ash storage box (33) set up box (1) outer wall, the entry of ash storage box (33) with arrange grey hole (31) intercommunication.

10. A reactive power energy-saving box of motor according to claim 2, characterized in that: still include heat abstractor, heat abstractor includes:

the two heat dissipation fans (34) are symmetrically arranged on the heat dissipation plate (14) and are used for accelerating the discharge of heat in the box body (1);

the first temperature sensor is arranged on the inner wall of the box body (1) and used for monitoring the real-time temperature in the box body (1);

the second temperature sensor is arranged on the outer wall of the box body (1) and used for monitoring the external environment temperature of the box body (1);

a third temperature sensor arranged on the outer wall of the motor (3) and used for monitoring the surface temperature of the motor (3);

the controller is arranged on the inner wall of the box body (1), and is respectively and electrically connected with the first temperature sensor, the second temperature sensor, the third temperature sensor and the heat dissipation fan (34);

the controller controls the heat dissipation fan (34) to work based on the first temperature sensor, the second temperature sensor and the third temperature sensor, and the method comprises the following steps:

step 1: the first temperature sensor is used for monitoring the real-time temperature in the box body (1), the third temperature sensor is used for monitoring the surface temperature of the motor (3), when the surface temperature of the motor (3) is equal to a preset maximum temperature, the controller controls the heat dissipation fan (34) to be started, the heat in the box body (1) is accelerated to be discharged, and the total heat generated in the box body (1) when the surface temperature of the motor (3) reaches the preset maximum temperature is calculated according to the formula (1):

wherein Q is₁For the total heat generated, c_vIs the constant volume specific heat capacity of the air in the box body (1), a₁Is the length of the inner wall of the box body (1), b₁Is the width of the inner wall h of the box body (1)₁The height of the inner wall of the box body (1), P is standard atmospheric pressure, P is 101325 Pa, M is the air molar mass in the box body (1), R is an ideal gas constant, T is₂For the real-time temperature, T, in the tank (1) when the surface of the motor (3) reaches a preset maximum temperature₁Is the temperature of the external environment, c_mIs the specific heat capacity of the material of the motor (3), m is the total mass of the motor (3), T₃The preset maximum temperature is reached;

step 2: calculating a target rotating speed of the heat dissipation fan (34) required for discharging the generated total heat out of the box body (1) when the heat dissipation fan (34) continuously works within a preset working duration of the heat dissipation fan (34) according to a formula (2), and then adjusting the rotating speed of the heat dissipation fan (34) to the target rotating speed of the heat dissipation fan (34) by a controller:

wherein n is₁Is a target rotation speed n of the heat-dissipating fan (34)₂Presetting a rotation speed t for the heat radiation fan (34)₁For a preset operating time, rho, of the cooling fan (34)₁The air density, V, in the box body (1)₂The air quantity of the heat dissipation fan (34) is preset.

Technical Field

The invention relates to the technical field of reactive energy-saving boxes of motors, in particular to a reactive energy-saving box of a motor.

Background

Reactive power means that in an ac circuit with a reactance, an electric or magnetic field absorbs energy from the power source for part of a cycle and releases energy for another part of the cycle, the average power being zero throughout the cycle, but energy being constantly exchanged between the power source and the reactive components (capacitance, inductance). The maximum value of the exchange rate is the "reactive power". In a single-phase AC circuit, the value is equal to the product of the effective voltage value, the effective current value and the sine of the phase angle between the voltage and the current.

The idle energy-saving box of current motor needs often to overhaul the energy-saving box to the energy-saving box can normally work, and the lid at energy-saving box top portion uses a plurality of bolt fixed mounting usually on the energy-saving box at present, need manual all bolts of demolising between lid and the energy-saving box earlier when overhauing just can open the lid at energy-saving box top portion, causes to overhaul inconvenient, to above-mentioned condition, carries out technical innovation on the idle energy-saving box basis of current motor.

Disclosure of Invention

The invention aims to provide a reactive energy-saving box of a motor, which aims to solve the problem that the existing reactive energy-saving box of the motor in the background art is inconvenient to overhaul because all bolts between the cover and the energy-saving box are required to be manually disassembled to open the cover at the top of the energy-saving box during overhaul.

In order to achieve the purpose, the invention provides the following technical scheme: a motor reactive energy-saving box comprises a box body and heat conducting fins, wherein a cover is arranged at the upper end of the box body, slide rails are arranged at the front end and the rear end of the cover, the cover and the box body form a sliding structure through the slide rails, the slide rails are matched with the left end and the right end of the cover in shape and size, the heat conducting fins are arranged inside the box body, fins are arranged on the outer surfaces of the heat conducting fins, and heat radiating pipes are arranged inside the heat conducting fins; and the cover opening device is connected with the cover and used for driving the cover to slide along the slide rail so as to enable the cover to close or open the box body, and a heat dissipation plate is arranged on the outer surface of the box body.

Preferably, the lid opening device comprises: the support, with box upper portion inner wall fixed connection just is located the top of conducting strip, the internally mounted of support has the motor, and the right-hand member of support installs the lead screw, the connecting piece is installed to the centre of lead screw, the connecting piece upper end with lid lower surface fixed connection, and the right-hand member of lead screw installs first bearing.

Preferably, the lower end of the box body is provided with a support column, the lower end of the support column is provided with a support leg, and the lower end of the support leg is provided with an anti-skid pad.

Preferably, constitute half encirclement structure between fin and the conducting strip, and be the welding between cooling tube and the conducting strip to the cooling tube sets up to hollow structure, and the cooling tube is provided with 7 groups simultaneously.

Preferably, the connecting piece is in threaded connection with the screw rod, and the connecting piece is fixedly connected with the cover.

Preferably, the screw rod forms a rotating structure with the box body through the motor and the first bearing, and the first bearing and the box body are welded.

Preferably, the heat dissipation plate penetrates through the outer surface of the box body, and the heat dissipation plate is of a hollow mesh structure.

Preferably, the support legs and the non-slip mat are in adhesive connection, the lower end of the non-slip mat is in a convex thorn-shaped structure, and the support legs are in a round table-shaped structure.

Preferably, still set up the clearance subassembly in the box, the clearance subassembly includes:

the first bevel gear is arranged on the screw rod and is positioned between the connecting piece and the motor;

a second bevel gear disposed below the first bevel gear, the second bevel gear meshing with the first bevel gear;

the first limiting plate is arranged below the second bevel gear, two ends of the first limiting plate are fixedly connected with the inner walls of two sides of the box body respectively, and a second bearing is arranged in the first limiting plate;

the second limiting plate is arranged on the inner wall of the bottom end of the box body, a third bearing is arranged in the second limiting plate, and the circle center of the third bearing and the circle center of the second bearing are on the same vertical line;

the moving plate is arranged between the second limiting plate and the first limiting plate, and a threaded hole and a through hole are formed in the moving plate;

the screw rod is arranged between the second bevel gear and the third bearing, one end of the screw rod is fixedly connected with the lower end of the second bevel gear, the other end of the screw rod sequentially penetrates through the second bearing and the threaded hole to extend into the third bearing and be fixedly connected with the inner ring of the third bearing, and the screw rod is in threaded connection with the movable plate through the threaded hole;

the guide rod is arranged in parallel with the screw rod, one end of the guide rod is fixedly connected with the bottom end of the first limiting plate, and the other end of the guide rod penetrates through the through hole to be fixedly connected with the inner wall of the bottom end of the box body;

the two scraping plates are symmetrically arranged on the front side wall and the rear side wall of the heat conducting fin, a spring is arranged between the scraping plates and the movable plate, one end of the spring is fixedly connected with the bottom end of the movable plate, the other end of the spring is fixedly connected with one end of the scraping plate far away from the bottom end of the box body, one end of the scraping plate far away from the heat conducting fin is provided with a baffle, the baffle is perpendicular to the scraping plates, a connecting rod is arranged between the baffle and the movable plate, one end of the connecting rod is fixedly connected with the bottom end of the movable plate, and the other end of the;

the ash discharging holes are formed in the left side wall of the box body, and the number of the ash discharging holes is two;

the fixing block is arranged below the ash discharge hole, the side wall of the fixing block is provided with an inclined surface, and the fixing block and the surface of the scraper are provided with mutually matched inclined surfaces;

the ash storage box is arranged on the outer wall of the box body, and an inlet of the ash storage box is communicated with the ash discharge hole.

Preferably, the heat dissipation device further comprises a heat dissipation device, wherein the heat dissipation device comprises:

the two heat dissipation fans are symmetrically arranged on the heat dissipation plate and are used for accelerating the discharge of heat in the box body;

the first temperature sensor is arranged on the inner wall of the box body and used for monitoring the real-time temperature in the box body;

the second temperature sensor is arranged on the outer wall of the box body and used for monitoring the external environment temperature of the box body;

the third temperature sensor is arranged on the outer wall of the motor and used for monitoring the surface temperature of the motor;

the controller is arranged on the inner wall of the box body and is respectively and electrically connected with the first temperature sensor, the second temperature sensor, the third temperature sensor and the heat dissipation fan;

the controller controls the work of the heat dissipation fan based on the first temperature sensor, the second temperature sensor and the third temperature sensor, and the method comprises the following steps:

step 1: the first temperature sensor is used for monitoring the real-time temperature in the box body, the third temperature sensor is used for monitoring the surface temperature of the motor, when the surface temperature of the motor is equal to the preset highest temperature, the controller controls the heat dissipation fan to be opened, the heat in the box body is quickened to be discharged, and the total heat generated in the box body is calculated according to a formula (1) when the surface temperature of the motor reaches the preset highest temperature:

wherein Q is₁For the total heat generated, c_vIs the constant volume specific heat capacity of the air in the box body, a₁Is the length of the inner wall of the box body, b₁Is the width of the inner wall of the box body, h₁The height of the inner wall of the box body is represented, P is standard atmospheric pressure, P is 101325 Pa, M is the molar mass of the air in the box body, R is an ideal gas constant, and T is₂For the real-time temperature, T, in the tank (1) when the surface of the motor (3) reaches a preset maximum temperature₁Is the temperature of the external environment, c_mIs the specific heat capacity of the material of the motor (3), m is the total mass of the motor (3), T₃The preset maximum temperature is reached;

step 2: calculating a target rotating speed of the heat dissipation fan required for discharging the generated total heat out of the box body when the heat dissipation fan continuously works within a preset working duration according to a formula (2), and then adjusting the rotating speed of the heat dissipation fan to the target rotating speed of the heat dissipation fan by using a controller:

wherein n is₁For a target rotation speed of the heat-dissipating fan, n₂Presetting the rotation speed, t, for the heat-dissipating fan₁For the preset operating time of the cooling fan, ρ₁Is the density of air in the box, V₂The air quantity of the heat dissipation fan is preset.

Compared with the prior art, the invention has the following beneficial effects:

1. the motor reactive energy-saving box is provided with the slidable cover, so that a worker can conveniently overhaul the interior of the motor reactive energy-saving box;

2. the connecting piece is arranged, the connecting piece can drive the cover to move left and right without manually moving the cover, the motor is arranged, the screw rod can be driven to rotate, the connecting piece is pushed to move left and right, and the first bearing can play a role in assisting the screw rod to rotate;

3. the heat dissipation plate is arranged, so that air inside and outside the reactive energy-saving box of the motor can circulate, heat dissipation is assisted, the heat conduction fins are arranged, the reactive energy-saving box of the motor can be dissipated without using electric power, and the heat dissipation effect is improved by 7 groups of heat dissipation pipes and fins;

4. the energy-saving box is provided with the support legs and the anti-slip pad, so that the friction force between the energy-saving box and the ground is increased, and the stability is improved;

5. through the arrangement of the cleaning assembly, the surface of the heat conducting fin can be cleaned by utilizing the scraper when the cover is opened, dust on the surface of the heat conducting fin is removed, and then workers can clean the dust storage box regularly to prevent dust from accumulating to weaken the heat conducting effect of the heat conducting fin;

6. through the heat abstractor, when the surface temperature of motor reachs and predetermines the highest temperature, the controller can control the heat dissipation fan and open, discharge the heat in the box, make motor surface temperature reduce, avoid the motor to burn out because of surface temperature is too high, the rotational speed of heat dissipation fan can be changed to total heat through producing in the box, increase heat dissipation fan rotational speed when the heat is high in the box, accelerate heat discharge, the heat reduces heat dissipation fan rotational speed when few, make the total heat of production discharge from the box in the specified time all the time, set for heat dissipation fan operating duration, the effect of power saving can be played to the normally open state of comparing the heat dissipation fan.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the slide rail of the present invention;

FIG. 3 is a schematic view of the external structure of the case of the present invention;

FIG. 4 is a schematic view of the connection between the first bearing and the lead screw according to the present invention;

FIG. 5 is a view showing the opening of the lid according to the present invention;

FIG. 6 is a left side view of the internal structure of the case of the present invention;

FIG. 7 is an enlarged view of the invention at A.

In the figure: 1. a box body; 2. a cover; 3. a motor; 4. a support; 5. a screw rod; 6. a connecting member; 7. a heat conductive sheet; 8. a radiating pipe; 9. a fin; 10. a pillar; 11. a support leg; 12. a non-slip mat; 13. a slide rail; 14. a heat dissipation plate; 15. a first bearing; 16. a first bevel gear; 17. a second bevel gear; 18. a first limit plate; 19. a second bearing; 20. a second limiting plate; 21. a third bearing; 22. moving the plate; 23. a threaded hole; 24. a through hole; 25. a screw; 26. a guide bar; 27. a squeegee; 28. a spring; 29. a baffle plate; 30. a connecting rod; 31. ash discharging holes; 32. a fixed block; 33. a dust storage box; 34. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a reactive energy-saving box of a motor comprises a box body 1 and heat conducting fins 7, wherein a cover 2 is arranged at the upper end of the box body 1, slide rails 13 are arranged at the front end and the rear end of the cover 2, the cover 2 forms a sliding structure with the box body 1 through the slide rails 13, the slide rails 13 are matched with the left end and the right end of the cover 2 in shape and size, and the slidable cover 2 is arranged, so that a worker can conveniently overhaul the interior of the reactive energy-saving box of the motor; the heat conducting sheet 7 is arranged inside the box body 1, the fins 9 are arranged on the outer surface of the heat conducting sheet 7, the radiating pipes 8 are arranged inside the heat conducting sheet 7, the support 4 is arranged above the heat conducting sheet 7, a semi-surrounding structure is formed between the fins 9 and the heat conducting sheet 7, the radiating pipes 8 and the heat conducting sheet 7 are welded, the radiating pipes 8 are arranged in a hollow structure, meanwhile, 7 groups of radiating pipes 8 are arranged, the heat conducting sheet 7 is arranged, the motor reactive energy-saving box can be radiated without electric power, and the radiating effect is improved by 7 groups of radiating pipes 8 and fins 9;

a cover opening device connected to the cover 2 for driving the cover 2 to slide along the slide rail 13 so that the cover 2 closes or opens the box body 1, the cover opening device comprising: the heat-conducting box comprises a support 4, a screw rod 5, a connecting piece 6 and a first bearing 15, wherein the support 4 is fixedly connected with the inner wall of the upper part of the box body 1 and is positioned above a heat-conducting fin 7, a motor 3 is arranged inside the support 4, the screw rod 5 is arranged at the right end of the support 4, the connecting piece 6 is arranged in the middle of the screw rod 5, the upper end of the connecting piece 6 is fixedly connected with the lower surface of a cover 2, the first bearing 15 is arranged at the right end of the screw rod 5, the connecting piece 6 is in threaded connection with the screw rod 5, the connecting piece 6 is arranged, the cover 2 can be driven to move; the screw 5 forms a rotating structure with the box body 1 through the motor 3 and the first bearing 15, the first bearing 15 and the box body 1 are welded, the motor 3 is arranged and can drive the screw 5 to rotate, so that the connecting piece 6 is pushed to move left and right, and the first bearing 15 can play a role in assisting the screw 5 to rotate;

the outer surface of the box body 1 is provided with a heat dissipation plate 14, the lower end of the box body 1 is provided with a support column 10, the heat dissipation plate 14 penetrates through the outer surface of the box body 1, the heat dissipation plate 14 is of a hollow net structure, and the heat dissipation plate 14 is arranged, so that air inside and outside the reactive energy-saving box of the motor can circulate, and heat dissipation is assisted; the stabilizer blade 11 is installed to the lower extreme of pillar 10, and the slipmat 12 is installed to the lower extreme of stabilizer blade 11, is the bonding connection between stabilizer blade 11 and the slipmat 12, and the slipmat 12 lower extreme sets up to protruding thorn type structure to stabilizer blade 11 sets up to round platform shape structure, is provided with stabilizer blade 11 and slipmat 12, increases the frictional force on energy-saving box and ground, improves stability.

The working principle is as follows: when using this reactive power saving box of motor, at first, start the inside motor 3 of support 4, motor 3 drives lead screw 5 and rotates in first bearing 15 is inside, and then drive connecting piece 6 and remove about on lead screw 5, connecting piece 6 drives lid 2 and slides on slide rail 13, so open lid 2, when box 1 inside high temperature, the inside cooling tube 8 of conducting strip 7 through dispels the heat, 8 inside cooling tubes are filled with the coolant liquid, the coolant liquid evaporation absorbs the heat when the temperature rises, play the radiating effect, steam condensation condenses into liquid again when the temperature descends, fin 9 can increase the radiating effect, stabilizer blade 11 and slipmat 12 of pillar 10 bottom can support box 1, this is exactly this reactive power saving box's of motor theory of operation.

In one embodiment, as shown in fig. 1, 5, 6, and 7, a cleaning assembly is further disposed in the box body 1, and the cleaning assembly includes:

a first bevel gear 16, wherein the first bevel gear 16 is installed on the screw 5, and the first bevel gear 16 is located between the connecting piece 6 and the motor 3;

a second bevel gear 17, said second bevel gear 17 being disposed below said first bevel gear 16, said second bevel gear 17 being engaged with said first bevel gear 16;

the first limiting plate 18 is arranged below the second bevel gear 17, two ends of the first limiting plate 18 are fixedly connected with the inner walls of two sides of the box body 1 respectively, and a second bearing 19 is arranged in the first limiting plate 18;

the second limiting plate 20 is arranged on the inner wall of the bottom end of the box body 1, a third bearing 21 is arranged in the second limiting plate 20, and the circle center of the third bearing 21 and the circle center of the second bearing 19 are on the same vertical line;

the moving plate 22 is arranged between the second limiting plate 20 and the first limiting plate 18, and a threaded hole 23 and a through hole 24 are formed in the moving plate 22;

the screw 25 is arranged between the second bevel gear 17 and the third bearing 21, one end of the screw 25 is fixedly connected with the lower end of the second bevel gear 17, the other end of the screw 25 sequentially penetrates through the second bearing 19 and the threaded hole 23 to extend into the third bearing 21 and be fixedly connected with the inner ring of the third bearing 21, and the screw 25 is in threaded connection with the moving plate 22 through the threaded hole 23;

the guide rod 26 is arranged in parallel with the screw 25, one end of the guide rod 26 is fixedly connected with the bottom end of the first limiting plate 18, and the other end of the guide rod 26 penetrates through the through hole 24 to be fixedly connected with the inner wall of the bottom end of the box body 1;

the two scraping plates 27 are symmetrically arranged on the front side wall and the rear side wall of the heat conducting fin 7, a spring 28 is arranged between the scraping plates 27 and the moving plate 22, one end of the spring 28 is fixedly connected with the bottom end of the moving plate 22, the other end of the spring 28 is fixedly connected with one end, far away from the bottom end of the box body 1, of the scraping plates 27, a baffle 29 is arranged at one end, far away from the heat conducting fin 7, of the scraping plates 27, the baffle 29 is perpendicular to the scraping plates 27, a connecting rod 30 is arranged between the baffle 29 and the moving plate 22, one end of the connecting rod 30 is fixedly connected with the bottom end of the moving plate 22, and the other end of;

the ash discharging holes 31 are formed in the left side wall of the box body 1, and the number of the ash discharging holes 31 is two;

the fixed block 32 is arranged below the ash discharge hole 31, the side wall of the fixed block 32 is provided with an inclined surface, and the surfaces of the fixed block 32 and the scraper 27 are provided with mutually matched inclined surfaces;

ash storage box 33, ash storage box 33 sets up 1 outer wall of box, ash storage box 33's entry with arrange grey hole 31 intercommunication.

The working principle and the beneficial effects of the technical scheme are as follows: when the cover 2 is opened, the motor 3 drives the screw rod to rotate, the first bevel gear 16 arranged on the screw rod 5 rotates along with the screw rod, so as to drive the second bevel gear 17 to rotate, the second bevel gear 17 rotates to drive the screw rod 25 arranged at the lower end of the second bevel gear 17 to rotate in the second bearing 19 and the third bearing 21, and the movable plate 22 is driven to ascend through threaded connection, the guide rod 26 has a guiding effect on the movable plate 22, so that the movable plate 22 keeps ascending linearly, when the movable plate 22 ascends to the first limiting plate 18, the motor 3 stops rotating, when the movable plate 22 ascends, the connecting rod 30 drives the baffle 29 and the scraper 27 to move upwards, the scraper 27 is used for scraping off dust on the side wall of the heat conducting sheet 7, the baffle 29 is arranged, so as to prevent the dust from falling into the box body 1, when the scraper 27 ascends to the fixed block 32, so that the scraper 27 stops rising near one end of the fixed block 32, the other end of the scraper 27 continues rising under the driving of the connecting rod 30, the scraper 27 rotates at the hinged position, the spring 28 between the scraper 27 and the moving plate 22 is compressed, the dust on the scraper 27 moves towards the dust discharge hole 31 through the surface of the fixed block 32 and is discharged into the dust storage box 33 from the dust discharge hole 31 due to the inclination of the scraper 27, the motor 3 drives the lead screw to rotate when the cover 2 is closed, the second bevel gear 17 is driven to rotate through the first bevel gear 16, the screw 25 rotates to drive the moving plate 22 to descend through the threaded connection, the scraper 27 gradually separates from the fixed block 32, the scraper 27 returns to the horizontal state under the elastic force of the spring 28, when the scraper 27 descends to the second limit plate 20, the cover 2 is closed, the motor 3 stops rotating, the scraper 27 returns to the original position, and by setting the scraper 27, the surface of the heat conducting sheet 7 can be cleaned when the, clear away the dust on conducting strip 7 surface, then, the staff can regularly clear up ash storage box 33, has solved the difficult problem of clearing up of conducting strip 7 surface dust, prevents that the dust from piling up and weakening the heat conduction effect of conducting strip 7.

In one embodiment, as shown in fig. 3, further comprising a heat sink, the heat sink comprising:

the two heat dissipation fans 34 are symmetrically arranged on the heat dissipation plate 14 and used for accelerating the discharge of heat in the box body 1;

the first temperature sensor is arranged on the inner wall of the box body 1 and used for monitoring the real-time temperature in the box body 1;

the second temperature sensor is arranged on the outer wall of the box body 1 and used for monitoring the external environment temperature of the box body 1;

a third temperature sensor, which is arranged on the outer wall of the motor 3 and is used for monitoring the surface temperature of the motor 3;

the controller is arranged on the inner wall of the box body 1 and is respectively and electrically connected with the first temperature sensor, the second temperature sensor, the third temperature sensor and the heat dissipation fan 34;

the controller controls the operation of the heat dissipation fan 34 based on the first temperature sensor, the second temperature sensor and the third temperature sensor, and comprises the following steps:

step 1: the first temperature sensor is used for monitoring the real-time temperature in the box body 1, the third temperature sensor is used for monitoring the surface temperature of the motor 3, when the surface temperature of the motor 3 is equal to the preset maximum temperature, the controller controls the heat dissipation fan 34 to be started, the heat in the box body 1 is quickened to be discharged, and the total heat generated in the box body 1 when the surface temperature of the motor 3 reaches the preset maximum temperature is calculated according to the formula (1):

wherein Q is₁For the total heat generated, c_vIs the constant volume specific heat capacity of the air in the box body 1, a₁Is the length of the inner wall of the box body 1, b₁Is the width of the inner wall of the box body 1, h₁The height of the inner wall of the box body 1 is shown, P is standard atmospheric pressure, P is 101325 Pa, M is the molar mass of air in the box body 1, R is an ideal gas constant, T is₂For the real-time temperature, T, in the tank (1) when the surface of the motor (3) reaches a preset maximum temperature₁Is the temperature of the external environment, c_mIs the specific heat capacity of the material of the motor (3), m is the total mass of the motor (3), T₃The preset maximum temperature is reached;

step 2: calculating a target rotation speed of the heat dissipation fan 34 required for discharging the generated total heat out of the box body 1 when the heat dissipation fan 34 continuously works within a preset working duration of the heat dissipation fan 34 according to a formula (2), and then adjusting the rotation speed of the heat dissipation fan 34 to the target rotation speed of the heat dissipation fan 34 by a controller:

wherein n is₁For a target speed of the heat-dissipating fan 34, n₂Presetting the rotation speed, t, for the heat-dissipating fan 34₁For a predetermined operating time of the heat dissipating fan 34, ρ₁The air density, V, in the box body 1₂The air volume of the heat dissipation fan 34 is preset.

The working principle and the beneficial effects of the technical scheme are as follows: the first temperature sensor is used for monitoring the real-time temperature in the box body 1, the third temperature sensor is used for monitoring the surface temperature of the motor 3, when the surface temperature of the motor 3 is equal to the preset maximum temperature, the controller controls the heat radiation fan 34 to be opened, the heat in the box body 1 is accelerated to be discharged, the surface temperature of the motor 3 is reduced, the total heat generated in the box body 1 when the surface temperature of the motor 3 reaches the preset maximum temperature can be calculated according to the formula (1), then the generated total heat is discharged to the outside of the box body 1 from the box body 1 when the generated total heat needs to continuously work within the preset working time of the heat radiation fan 34, the real-time temperature in the box body 1 is the same as the external environment temperature, the temperature reduction of the surface of the motor 3 is also completed, when the external environment temperature is higher, the total heat generated in the box body 1 is less, and under the same preset working time of the heat radiation fan 34, the air quantity generated by the heat dissipation fan 34 needs to be reduced, so that the target rotating speed of the heat dissipation fan 34 calculated by the formula (2) is smaller, then the rotating speed of the heat dissipation fan 34 is adjusted to be lower by using the controller, when the external environment temperature is lower, the total heat generated in the box body 1 is more, the air quantity generated by the heat dissipation fan 34 needs to be increased, then the rotating speed of the heat dissipation fan 34 is adjusted to be higher by the controller according to the target rotating speed of the heat dissipation fan 34, so that the heat is discharged out of the box body 1 within the preset working duration, through the heat dissipation device, when the surface temperature of the motor 3 reaches the preset maximum temperature, the controller can control the heat dissipation fan 34 to be opened, the heat in the box body 1 is discharged, the surface temperature of the motor 3 is reduced, the motor 3 is prevented from being burnt out due to overhigh surface temperature, the rotating speed of the heat dissipation fan 34 can be changed through the total heat, the heat discharge is accelerated, the rotating speed of the heat dissipation fan 34 is reduced when the total generated heat is less, the generated heat is discharged from the box body 1 within the specified time all the time, the working time of the heat dissipation fan 34 is set, and the effect of saving electricity can be achieved compared with the normally open state of the heat dissipation fan 34.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.