CN115811868A - A multifunctional electrical installation cabinet based on module combination and its installation method - Google Patents

Abstract

The invention discloses a multifunctional electrical installation cabinet based on module combination and an installation method thereof. The electrical installation cabinet includes a cabinet body, a storage module and a heat dissipation module are arranged in the cabinet, and the heat dissipation module is located between the storage module and the cabinet. Between the side walls of the body, the storage module includes a chassis, a pressure plate and a spring, and the periphery of the chassis is fixedly connected with the pressure plate above the chassis through the spring. The ring is fixedly connected with another group of side walls of the cabinet body through the support plate, the height of the cabinet body is variable, and the other group of opposite side walls of the cabinet body is provided with vents. The design of the electrical installation cabinet and the installation method of the present invention are reasonable, through A storage module that can be slidably assembled with the chute of the cabinet body is provided, and multiple sets of storage modules can be assembled. The first fan can move left and right in the cabinet and move up and down to dissipate heat, thereby improving heat dissipation efficiency.

Description

A multifunctional electrical installation cabinet based on module combination and its installation method

technical field

The invention relates to the technical field of electrical installation cabinets, in particular to a multifunctional electrical installation cabinet based on module combination and an installation method thereof.

Background technique

The electrical installation cabinet is a cabinet used to protect the normal operation of electrical components. At present, most of the components in the electrical cabinet work without interruption, and the space of the electrical cabinet is narrow, so the temperature in the electrical cabinet is high, and there is a great risk of explosion safety. Hidden dangers, and the high temperature environment also accelerates the damage of electrical components.

Most of the electrical installation cabinets now improve the heat dissipation effect by setting cooling holes or fans in the cabinet body, but the electrical components inside the cabinet are placed together, and most of the fans installed inside are fixed in a certain position, which cannot position adjustment, therefore, we propose a multifunctional electrical multifunctional electrical installation cabinet and its installation method.

Contents of the invention

In order to solve the above technical problems, the present invention provides a multifunctional electrical installation cabinet based on module combination and its installation method.

The technical solution of the present invention is: a multifunctional electrical installation cabinet based on module combination, including a cabinet body, a storage module and a heat dissipation module are arranged in the cabinet body, and the heat dissipation module is located between the storage module and the side wall of the cabinet body between;

The storage module is provided with at least two groups. The storage module includes a chassis, a pressure plate and a spring. The surroundings of the chassis are fixedly connected to the pressure plate above the chassis through the spring. There are openings for the passage of electric wires on the chassis at the place, a set of opposite side walls of the cabinet is provided with a plurality of chutes for supporting the chassis, and the upper edge of the other set of opposite side walls of the cabinet is A slide plate is provided in the horizontal direction, the bottom surface of the slider is provided with a bump along its length direction, and the top surface of the pressing plate is provided with a first groove sliding along the bump along the horizontal direction;

The heat dissipation module includes a first fan, a connecting rod, and a ring gear. The ring gear is fixedly connected to another set of opposite side walls of the cabinet through a support plate. A motor is arranged outside the cabinet, and the output shaft of the motor is One end runs through another set of side walls of the cabinet body and is rotatably connected with the side walls of the cabinet body. One end of the connecting rod is fixedly connected to the output shaft of the motor, and the other end of the connecting rod is provided with a first gear meshing with the ring gear. The first gear It is rotatably connected with the connecting rod, and the first gear is rotatably connected with the first fan through the first round rod;

The height of the cabinet body is adjustable, and the side walls of the cabinet body can be detachably connected. The other set of opposite side walls of the cabinet body are provided with vents, and the cabinet door is set on the other side opposite to the side wall where the motor is installed. on the wall.

Description: By setting the storage module that can be slidably assembled with the chute of the cabinet, multiple sets of storage modules can be assembled. At the same time, the heat dissipation module can dissipate heat from the electrical components in the cabinet, and the electrical components can be cooled by the cooperation of the first fan and the vent. To cool down, the first fan can move left and right and up and down in the cabinet, which can conduct heat dissipation treatment for electrical components in a targeted manner, avoid damage to electrical components that overheat, and improve heat dissipation efficiency.

Further, the upper part of the cabinet body is a telescopic part, and the lower part is a fixed part. The bottom surface of the fixed part is provided with a cylinder with threaded holes along the vertical direction. There are four cylinders, and the top surface of the telescopic part is provided with The cylinders are matched with threaded rods one by one, and the threaded rods are rotatably connected with the telescopic part.

Note: Through the above settings, the height of the cabinet can be changed. When installing more electrical components, the threaded rod can be turned to stretch the telescopic part, thereby changing the volume of the cabinet and installing more electrical components.

Further, one end of the threaded rod runs through the top of the cabinet and is provided with a sinking groove for matching with a screwdriver.

Note: Through the above settings, it is convenient to turn the threaded rod, so that the height of the cabinet can be changed conveniently.

Further, the top surface of the cabinet is provided with a ball which is rotatably connected with it, and the second fan is provided on the sphere, and the slide plate is provided with a first shaft which is rotatably connected with it along the vertical direction, and the first One end of the shaft is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with the ball;

A first pulley is provided in the middle of the first shaft, and a second shaft that is rotatably connected to the slide is provided on the slide between the ring gear and the side wall of the cabinet, and a second pulley is provided at one end of the second shaft. The second pulley is driven by the belt and the first pulley. The other end of the second shaft runs through the slide plate and is provided with the first bevel gear. The output shaft of the motor between the ring gear and the side wall of the cabinet is provided with the first The bevel gear meshes with the second bevel gear of the transmission, and the second shaft is a telescopic shaft.

Explanation: Through the above settings, while driving the first fan to dissipate heat, the motor can drive the second fan to swing in a circle around the first shaft, thereby dissipating heat from the electrical components in multiple directions from above to further improve the heat dissipation effect.

Further, the first fan is provided with a second round rod, and the bottom surface of the cabinet between the storage module and the heat dissipation module is provided with a flat plate along the vertical direction, and the flat plate is slidably connected with the bottom surface of the cabinet. There is a second groove for providing sliding space for the second round bar. A brush piece for cleaning the storage module is provided on the side of the plate. There is a toothed plate meshed with the second gear for transmission, and the toothed plate is rotatably connected with the second round rod and slidably connected with the flat plate.

Description: Through the above settings, the first fan can dissipate heat while the brush piece can move left and right and rotate at the same time to clean the electrical components on each group of storage modules. Cooperating with the first fan and the second fan to sweep The raised dust is blown out from the vents.

Further, a hole is provided on the side of the chassis located on one side of the cabinet door, and a foldable plate is provided on the side of the chassis to cooperate with the hole to connect multiple sets of storage modules together.

Note: By connecting multiple sets of storage modules together through a foldable plate, any set of storage modules can be used to connect, so as to avoid the loosening of the wiring when each set of storage modules shakes individually.

Further, the folds of the foldable panels are connected by hinges.

Description: The folds of the foldable panels are connected by hinges, making the structure simple and reasonable.

Further, the openings are all provided with sponge pads, and the outer side of the cabinet is provided with a protective shell for the motor.

Note: By setting the sponge pad, the connecting wire can be protected and fixed, and the motor protection shell can protect the motor.

The installation method of the electrical installation cabinet above includes the following steps:

S1: First place the electrical components in the storage module, pull the pressure plate upwards to drive the spring to stretch, put the electrical components on the chassis, and the spring shrinks to drive the pressure plate to compress the electrical components;

S2: Next, connect the connecting wires of the electrical components on multiple sets of storage modules through the cable management board and the opening, then open the cabinet door, adjust the height of the cabinet to a suitable position, and pull the chassis of multiple sets of storage modules from the chute Slide in, put multiple sets of storage modules into the cabinet, the upper storage module, the chassis slides in with the chute, the first groove on the pressure plate slides into the cabinet along the protrusion on the slide, and then close the cabinet door;

S3: Turn on the motor, the output shaft of the motor drives the connecting rod to rotate, and the connecting rod drives the first gear connected to it to move on the ring gear, thereby driving the first fan to move in a circular direction in the cabinet, turning on the first fan to rotate, the first fan Cooperate with two vents to dissipate heat for electrical components. When overhauling electrical components or cabinets, the side walls of the cabinet can be removed for maintenance.

The beneficial effects of the present invention are:

(1) The present invention can assemble multiple groups of storage modules by providing a storage module that can be slidably assembled with the chute of the cabinet body. The heat dissipation module can dissipate heat to the electrical components in the cabinet, and the electrical components can be cooled by the first fan and the ventilation port. To cool down, the first fan can move left and right in the cabinet and move up and down, which can conduct heat dissipation treatment for electrical components in a targeted manner, avoid damage to electrical components that overheat, and improve heat dissipation efficiency.

(2) In the present invention, components such as the second fan, the first shaft, and the second shaft are arranged so that the motor can drive the second fan to perform circular swing around the first shaft while driving the first fan to dissipate heat. The upper part conducts multi-directional heat dissipation for the electrical components to further improve the heat dissipation effect.

(3) Through the above settings, while the first fan is dissipating heat, the brush can move left and right and rotate at the same time to clean the electrical components on each group of storage modules. Cooperate with the first fan and the second fan to Swept dust blows out from the vents.

Description of drawings

Fig. 1 is the exterior view of the present invention;

Fig. 2 is a three-dimensional schematic diagram of a storage module of the present invention;

Fig. 3 is a side view of the internal structure of the storage module of the present invention;

Fig. 4 is the front view of the internal structure of the storage module of the present invention

Fig. 5 is a schematic diagram of the connecting structure of the chassis and the pressing plate of the present invention;

Fig. 6 is a schematic plan view of the heat dissipation module of the present invention;

Fig. 7 is a three-dimensional structural schematic diagram of the heat dissipation module of the present invention;

Fig. 8 is a schematic diagram of the positional relationship between the second fan and the ball in the present invention;

Fig. 9 is a schematic perspective view of the second shaft and the second fan of the present invention;

Fig. 10 is a schematic diagram of the connection relationship between the connecting rod and the first shaft of the present invention;

Fig. 11 is a schematic diagram of the positional relationship between the first shaft and the second shaft in the present invention;

Among them, 1-cabinet, 11-chute, 12-slider, 121-first shaft, 122-connecting rod, 123-second shaft, 13-plate, 131-second groove, 132-second Gear, 133-tooth plate, 134-brush, 14-telescopic part, 141-threaded rod, 15-fixed part, 151-cylinder, 16-ball, 17-second fan, 2-storage module, 21- Chassis, 211, cable management board, 22-pressure plate, 23-spring, 3-heat dissipation module, 31-first fan, 311-second round rod, 32-connecting rod, 33-ring gear, 331-support plate, 34 - Motor, 35 - First gear.

Detailed ways

The present invention will be further described in detail below in conjunction with specific embodiments, so as to better reflect the advantages of the present invention.

Example 1

As shown in Figures 1, 2, and 3, a multifunctional electrical installation cabinet based on module combination includes a cabinet body 1, and the cabinet body 1 is provided with a storage module 2 and a heat dissipation module 3, and the heat dissipation module 3 is located in the Between the storage module 2 and the side wall of the cabinet body 1, the height of the cabinet body 1 is adjustable, and the side walls of the cabinet body 1 can be detachably connected, and the front and rear opposite side walls of the cabinet body 1 are provided with vents. The cabinet door is arranged on the side wall of the front side opposite to the side wall where the motor 34 is installed. The upper part of the cabinet body 1 is a telescopic part 14 and the lower part is a fixed part 15. The bottom surface of the fixed part 15 is provided with a threaded hole along the vertical direction. There are four cylinders 151. There are four cylinders 151. The top surface of the telescopic part 14 is provided with threaded rods 141 corresponding to the cylinders 151. The threaded rods 141 are rotatably connected with the telescopic parts 14. The threaded rods The upper end of 141 runs through the top of the cabinet body 1 and is provided with a sinking groove matched with a screwdriver, and the telescopic part 14 adopts commercially available telescopic rubber;

As shown in Figure 5, the storage module 2 is provided with five groups, and the storage module 2 includes a chassis 21, a pressing plate 22 and a spring 23, and the surroundings of the chassis 21 are fixedly connected with the pressing plate 22 positioned above the chassis 21 through the spring 23, One side of the chassis 21 is provided with a wire management plate 211, and the chassis 21 located at the wire management plate 211 is provided with an opening for the passage of electric wires. The side walls are all provided with five chutes 11 for supporting the chassis 21, as shown in Figure 4, the side walls on the rear side of the cabinet 1 are provided with slide plates 12 along the horizontal direction, and the bottom surface of the slide plates 12 is along its length direction. A bump is provided, and the top surface of the pressing plate 22 is provided with a first groove sliding along the bump along the horizontal direction;

As shown in Figure 6, the heat dissipation module 3 includes a first fan 31, a connecting rod 32 and a ring gear 33, the ring gear 33 is fixedly connected to the rear side wall of the cabinet body 1 through a support plate 331, and the outer side of the cabinet body 1 A motor 34 is provided, and a sponge pad is provided at the opening, and a protective shell of the motor 34 is provided on the outside of the cabinet body 1, and the front end of the output shaft of the motor 34 runs through the side wall of the cabinet body 1 and is rotationally connected with the side wall of the cabinet body 1, The upper end of the connecting rod 32 is fixedly connected with the output shaft of the motor 34, and the lower end of the connecting rod 32 is provided with a first gear 35 meshed with the ring gear 33, and the first gear 35 is rotationally connected with the connecting rod 32, and the first gear 35 passes through the first gear 35. A round rod is rotatably connected with the first fan 31;

As shown in Figure 7, the first fan 31 is provided with a second round rod 311, and the bottom surface of the cabinet 1 between the storage module 2 and the heat dissipation module 3 is provided with a flat plate 13 along the vertical direction, and the flat plate 13 is connected to the cabinet body. 1 The bottom surface is slidingly connected, and the flat plate 13 is provided with a second groove 131 for providing a sliding space for the second round rod 311, and the left side of the flat plate 13 is provided with a brush 134 for cleaning the storage module 2, so One end of the brush member 134 and the flat plate 13 is rotatably connected with a second gear 132, and the flat plate 13 is provided with a gear plate 133 meshing with the second gear 132 for transmission. Slidingly connected with the flat panel 13;

The side of the chassis 21 located on one side of the cabinet door is provided with a hole, and the side of the chassis 21 is provided with a foldable plate that cooperates with the hole and is used to connect five groups of storage modules 2 together. page link;

The installation method of the electrical installation cabinet of the present embodiment includes the following steps:

S1: first place the electrical components in the storage module 2, pull the pressure plate 22 upward to drive the spring 23 to stretch, put the electrical components on the chassis 21, and the spring 23 shrinks to drive the pressure plate 22 to compress the electrical components;

S2: Next, connect the connecting wires of the electrical components on the five sets of storage modules 2 through the line management board 211 and the openings, then open the cabinet door, adjust the height of the cabinet body 1 to a suitable position, and use the five sets of storage modules 2 The foldable plates are connected together, slide the chassis 21 of the five sets of storage modules 2 from the chute 11, put the five sets of storage modules 2 into the cabinet body 1, and the upper storage module 2, the chassis 21 and the chute 11 While sliding in, the first groove on the pressure plate 22 slides into the cabinet body 1 along the protrusion on the slide plate 12, and then closes the cabinet door;

S3: Turn on the motor 34, the output shaft of the motor 34 drives the connecting rod 32 to rotate, and the connecting rod 32 drives the first gear 35 connected to it to move on the ring gear 33, thereby driving the first fan 31 to perform a circumferential movement in the cabinet 1, Turn on the first fan 31 to rotate, and the first fan 31 cooperates with the two vents to dissipate heat for the electrical components, and can dissipate heat for the electrical components passing through. When the electrical components or the cabinet 1 are overhauled, the cabinet 1 can be removed Overhaul of side walls;

At the same time, the first fan 31 drives the second round rod 311 to move while the first fan 31 is moving, the second round rod 311 drives the flat plate 13 to reciprocate left and right in the cabinet body 1, and the flat plate 13 drives the brush piece 134 to reciprocate and clean the electrical components. At the same time, the second round rod 311 drives the toothed plate 133 to reciprocate up and down on the flat plate 13, and the toothed plate 133 drives the second gear 132 to reciprocate forward and reverse, so that the brush 134 sweeps the dust left and right. It can also rotate to clean the dust;

Wherein, the method for adjusting the height of cabinet body 1 is as follows:

Use a screwdriver to turn the threaded rod 141. The threaded rod 141 rotates clockwise and moves downward in the threaded hole of the cylinder 151, thereby driving the telescopic part 14 to shrink, and the height of the cabinet 1 becomes lower. When the threaded rod 141 is turned counterclockwise, the principle is the same as above. , the height of cabinet 1 becomes lower.

Example 2

The difference between this embodiment and Embodiment 1 is that, as shown in Figures 8, 9, 10, and 11, the top surface of the cabinet body 1 is provided with a ball 16 that is rotatably connected to it, and the ball 16 is provided with a second Two fans 17, the slide plate 12 is provided with a first shaft 121 rotatably connected to it along the vertical direction, the upper end of the first shaft 121 is fixedly connected with a connecting rod 122, and the right end of the connecting rod 122 is fixedly connected with the ball 16;

The middle part of the first shaft 121 is provided with a first pulley, and the slide 12 between the ring gear 33 and the side wall of the cabinet body 1 is provided with a second shaft 123 that is rotatably connected with the slide 12. The upper end of the second shaft 123 is A second pulley is provided, and the second pulley carries out belt transmission through the belt and the first pulley. The lower end of the second shaft 123 runs through the slide plate 12 and is provided with a first bevel gear, which is located between the ring gear 33 and the side wall of the cabinet body 1 The output shaft of the motor 34 is provided with a second bevel gear meshed with the first bevel gear, and the second shaft 123 is a telescopic shaft;

The operation method of the electrical installation cabinet of the present embodiment is as follows:

When the motor 34 drives the first fan 31 to rotate, the second fan 17 is turned on to drive the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear then drives the second shaft 123 to rotate, and the second shaft The second pulley at the upper end of the rod 123 rotates, and the first pulley rotates synchronously with the second pulley through the belt. The first pulley drives the first shaft 121 to rotate, and the connecting rod 122 carries the ball 16 around the first shaft 121 to make a circle. Swing, so that the second fan 17 dissipates heat to the electrical components.

The motor 34, the first fan 31 and the second fan 17 are all selected from commercially available motors and fans or adjusted according to the shape of the commercially available motors and fans to fit and install in the device.

Claims (10)

1. The multifunctional electrical installation cabinet based on module combination is characterized by comprising a cabinet body (1), wherein a storage module (2) and a heat dissipation module (3) are arranged in the cabinet body (1), and the heat dissipation module (3) is positioned between the storage module (2) and the side wall of the cabinet body (1);

the storage modules (2) are at least provided with two groups, each storage module (2) comprises a chassis (21), a pressing plate (22) and a spring (23), the periphery of the chassis (21) is fixedly connected with the pressing plate (22) positioned above the chassis (21) through the springs (23), a wire arranging plate (211) is arranged on one side of the chassis (21), an opening for passing an electric wire is formed in the chassis (21) positioned at the wire arranging plate (211), a plurality of sliding grooves (11) for supporting the chassis (21) are formed in one group of opposite two side walls of the cabinet body (1), a sliding plate (12) is arranged on the other group of opposite side walls of the cabinet body (1) along the horizontal direction, a convex block is arranged on the bottom surface of the sliding plate (12) along the length direction of the sliding plate, and a first groove sliding along the convex block is formed in the top surface of the pressing plate (22) along the horizontal direction;

the heat dissipation module (3) comprises a first fan (31), a connecting rod (32) and a gear ring (33), the gear ring (33) is fixedly connected with another opposite side wall of the cabinet body (1) through a supporting plate (331), a motor (34) is arranged on the outer side of the cabinet body (1), one end of an output shaft of the motor (34) penetrates through the side wall of the cabinet body (1) and is rotatably connected with the side wall of the cabinet body (1), one end of the connecting rod (32) is fixedly connected with the output shaft of the motor (34), a first gear (35) meshed with the gear ring (33) is arranged at the other end of the connecting rod (32), the first gear (35) is rotatably connected with the connecting rod (32), and the first gear (35) is rotatably connected with the first fan (31) through a first round rod;

the height of the cabinet body (1) is adjustable, the side walls of the cabinet body (1) can be detachably connected, ventilation openings are formed in two opposite side walls of the other group of the cabinet body (1), and the cabinet door is arranged on the other side wall opposite to the side wall of the installation motor (34).

2. The multifunctional electrical installation cabinet based on module combination as claimed in claim 1, wherein the cabinet body (1) is provided with an upper telescopic part (14) and a lower fixed part (15), the bottom surface of the fixed part (15) is provided with four columns (151) with threaded holes along the vertical direction, the top surface of the telescopic part (14) is provided with threaded rods (141) which are matched with the columns (151) in a one-to-one correspondence manner, and the threaded rods (141) are rotatably connected with the telescopic part (14).

3. The multifunctional electrical installation cabinet based on module combination as claimed in claim 2, characterized in that one end of the threaded rod (141) penetrates through the top of the cabinet body (1) and is provided with a sunk groove matched with a screwdriver.

4. The multifunctional electrical installation cabinet based on module combination as claimed in claim 1, wherein the top surface of the cabinet body (1) is provided with a round ball (16) rotatably connected with the cabinet body, the round ball (16) is provided with a second fan (17), the sliding plate (12) is provided with a first shaft lever (121) rotatably connected with the sliding plate along a vertical direction, one end of the first shaft lever (121) is fixedly connected with a connecting rod (122), and the other end of the connecting rod (122) is fixedly connected with the round ball (16);

the middle part of the first shaft rod (121) is provided with a first belt pulley, a second shaft rod (123) rotatably connected with the sliding plate (12) is arranged on the sliding plate (12) between the gear ring (33) and the side wall of the cabinet body (1), one end of the second shaft rod (123) is provided with a second belt pulley, the second belt pulley is in belt transmission with the first belt pulley through a belt, the other end of the second shaft rod (123) penetrates through the sliding plate (12) and is provided with a first bevel gear, an output shaft of a motor (34) between the gear ring (33) and the side wall of the cabinet body (1) is provided with a second bevel gear in meshing transmission with the first bevel gear, and the second shaft rod (123) is a telescopic shaft rod.

5. The multifunctional electrical installation cabinet based on module combination as claimed in claim 1, wherein a second round bar (311) is disposed on the first fan (31), a flat plate (13) is disposed on the bottom surface of the cabinet body (1) between the storage module (2) and the heat dissipation module (3) along a vertical direction, the flat plate (13) is slidably connected to the bottom surface of the cabinet body (1), a second groove (131) for providing a sliding space for the second round bar (311) is disposed on the flat plate (13), a brush (134) for cleaning the storage module (2) is disposed on the side surface of the flat plate (13), a second gear (132) is disposed at one end of the brush (134) rotatably connected to the flat plate (13), a toothed plate (133) engaged with the second gear (132) is disposed on the flat plate (13), and the toothed plate (133) is rotatably connected to the second round bar (311) and slidably connected to the flat plate (13).

6. A multifunctional electrical installation cabinet based on module combination according to claim 1 characterized in that the side of the chassis (21) at one side of the cabinet door is provided with holes and the side of the chassis (21) is provided with foldable plates cooperating with the holes for connecting together groups of storage modules (2).

7. The multifunctional electrical installation cabinet based on module combination as claimed in claim 6, wherein the folding part of the foldable plate is connected by a hinge.

8. The multifunctional electrical installation cabinet based on module combination as claimed in claim 1, wherein the openings are all provided with foam pads, and the outer side of the cabinet body (1) is provided with a protective shell of the motor (34).

9. A multifunctional electrical installation cabinet based on module combinations as claimed in claim 1, characterized in that the chassis (21) is flanked by foldable plates for connecting together groups of storage modules (2).

10. A method of installing with the multifunctional electrical installation cabinet of any one of claims 1-9, comprising the steps of:

s1: firstly, placing an electric element in a storage module (2), pulling a pressure plate (22) upwards to drive a spring (23) to stretch, placing the electric element on a chassis (21), and driving the pressure plate (22) to compress the electric element by the contraction of the spring (23);

s2: secondly, connecting lines of electrical elements on a plurality of groups of storage modules (2) penetrate through the wire arranging plate (211) and the opening to be connected, then the cabinet door is opened, the height of the cabinet body (1) is adjusted to a proper position, the chassis (21) of the plurality of groups of storage modules (2) slide in from the sliding groove (11), the plurality of groups of storage modules (2) are placed in the cabinet body (1), the storage modules (2) positioned above are placed, the chassis (21) and the sliding groove (11) are matched to slide in, meanwhile, the first groove on the pressing plate (22) slides in the cabinet body (1) along the convex block on the sliding plate (12), and then the cabinet door is closed;

s3: open motor (34), motor (34) output shaft drives connecting rod (32) and rotates, connecting rod (32) drive first gear (35) rather than being connected move on ring gear (33), thereby drive first fan (31) and carry out the circumferential motion in the cabinet body (1), open first fan (31) and rotate, two vents of first fan (31) cooperation are dispelled the heat to electrical component, when overhauing electrical component or the cabinet body (1), can dismantle cabinet body (1) lateral wall and overhaul.

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