CN111799687A

CN111799687A - Heat dissipation device for electrical equipment

Info

Publication number: CN111799687A
Application number: CN202010763493.XA
Authority: CN
Inventors: 卓钊; 史杰; 郑立国; 任鹏飞; 张颖; 甘贤德
Original assignee: Haixi Power Supply Co Of State Grid Qinghai Electric Power Co; State Grid Corp of China SGCC; State Grid Qinghai Electric Power Co Ltd
Current assignee: Haixi Power Supply Co Of State Grid Qinghai Electric Power Co; State Grid Corp of China SGCC; State Grid Qinghai Electric Power Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-20
Anticipated expiration: 2040-07-31
Also published as: CN111799687B

Abstract

The invention provides a heat dissipation device for electrical equipment. The power equipment heat abstractor includes: the box body is provided with an accommodating space; the fixing plate is provided with a plurality of air holes and is arranged in the box body, the fixing plate, the top surface of the box body and the bottom surface of the box body are arranged at intervals, and the power equipment is arranged on the fixing plate; the second heat dissipation device is arranged below the fixing plate; the first heat dissipation device is arranged on the side wall of the box body and is positioned above the fixing plate. The invention solves the problem of poor heat dissipation effect of the power equipment in the prior art.

Description

Heat dissipation device for electrical equipment

Technical Field

The invention relates to the technical field of power equipment, in particular to a heat dissipation device for power equipment.

Background

The power equipment mainly comprises power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, the power supply equipment mainly comprises power transmission lines, transformers, contactors and the like with various voltage grades, and a power equipment box is required when the power equipment is used.

Because power equipment can produce a large amount of heats at the during operation, current power equipment case radiating mode is single, leads to its radiating effect not good, and power equipment is long-time to be influenced by high temperature for power equipment operation is unstable, its life significantly reduces.

That is to say, the power equipment in the prior art has the poor problem of radiating effect.

Disclosure of Invention

The invention mainly aims to provide a heat dissipation device for electrical equipment, which is used for solving the problem of poor heat dissipation effect of the electrical equipment in the prior art.

In order to achieve the above object, the present invention provides a heat dissipating device for an electric power apparatus, comprising: the box body is provided with an accommodating space; the fixing plate is provided with a plurality of air holes and is arranged in the box body, the fixing plate, the top surface of the box body and the bottom surface of the box body are arranged at intervals, and the power equipment is arranged on the fixing plate; the first heat dissipation device is arranged below the fixing plate; and the second heat dissipation device is arranged on the side wall of the box body and is positioned above the fixing plate.

Further, the first heat dissipating device includes: the cooling structure is arranged below the fixing plate in a sliding manner, and the cooling structure and the bottom surface of the box body are arranged at intervals; the first fan is arranged on the bottom surface of the box body, and the first fan blows low-temperature air at the cooling structure into the power equipment.

Further, the cooling structure includes: the drawer is detachably connected with the box body and can slide relative to the box body, and the bottom surface of the drawer is provided with a vent hole; the condenser pipe is accommodated in the drawer, and a water inlet of the condenser pipe and a water outlet of the condenser pipe are exposed outside the drawer.

Furthermore, one side wall of the drawer is provided with a handle, the drawer is positioned on two side walls on two sides of the handle and is provided with a first sliding structure, and the inner side wall of the box body is provided with a second sliding structure matched with the first sliding structure, so that the drawer can stably move.

Further, the bottom surface of box has a plurality of bearing structure, and a plurality of bearing structure intervals set up, and first fan setting is between two adjacent bearing structure, and the drawer setting is between bearing structure and fixed plate.

Further, the second heat dissipating device includes: the second fan is arranged on one side wall of the box body; and the radiating blades are arranged in the rotating grooves of the side wall of the box body opposite to the second fan, and air blown out by the second fan flows out of the accommodating space through the radiating blades.

Further, the power equipment heat dissipation device further comprises a protection plate, the protection plate is connected to the outer side wall, provided with the rotary groove, of the box body, and the protection plate is located above the rotary groove.

Further, the protection shield includes first plate section and the second plate section of connecting in order, and first plate section is stretched out by the lateral wall level of box, and the second plate section is kept away from one side slope of box by first plate section and is stretched out downwards.

Further, the box includes: the body is in a groove shape and is provided with an opening; the box door is hinged to the body, the box door is in a buckling state of completely shielding the opening, the second heat dissipation device is arranged on the side wall adjacent to the box door, and the side wall opposite to the box door is provided with a heat dissipation opening.

Furthermore, the power equipment heat dissipation device also comprises a heat dissipation plate, the heat dissipation plate is connected to the side wall opposite to the box door, the heat dissipation plate extends downwards from the box body in an inclined mode, the heat dissipation plate is located above the heat dissipation port, and the heat dissipation plate and the heat dissipation port are arranged in a one-to-one correspondence mode; and/or the box door is provided with a first buckling structure, the body is provided with a second buckling structure matched with the first buckling structure, and the box door is buckled with the body after the first buckling structure and the second buckling structure are buckled.

By applying the technical scheme of the invention, the power equipment heat dissipation device comprises a box body, a fixing plate, a first heat dissipation device and a second heat dissipation device, wherein the box body is provided with an accommodating space; the fixing plate is provided with a plurality of air holes, the fixing plate is arranged in the box body, the fixing plate, the top surface of the box body and the bottom surface of the box body are arranged at intervals, and the power equipment is arranged on the fixing plate; the second heat dissipation device is arranged below the fixing plate; the first heat dissipation device is arranged on the side wall of the box body and is positioned above the fixing plate.

The electric power equipment can be placed in the housing space by providing the housing space in the case. The setting of fixed plate comes with electrical equipment and second heat abstractor interval, and then makes first heat abstractor and second heat abstractor can dispel the heat to electrical equipment, increases electrical equipment's radiating effect, avoids electrical equipment to receive high temperature for a long time to influence for electrical equipment can the steady operation, has increased electrical equipment's life.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram illustrating an overall structure of a heat dissipation device for electrical equipment according to an alternative embodiment of the present invention; and

fig. 2 shows a schematic view of the overall structure of the cooling structure in fig. 1;

FIG. 3 illustrates an angled perspective view of the power device heat sink of FIG. 1;

fig. 4 shows another angled view of the electrical heat sink of fig. 1.

Wherein the figures include the following reference numerals:

10. a box body; 11. an accommodating space; 12. a second sliding structure; 13. a support structure; 14. rotating the groove; 15. a body; 16. a box door; 17. a heat dissipation port; 18. a first buckling structure; 19. a second fastening structure; 20. a fixing plate; 21. air holes are formed; 30. a second heat sink; 31. a second fan; 311. a fan groove; 312. a support plate; 313. a filter screen; 314. a second motor; 315. a second rotating shaft; 32. a heat dissipating fin; 40. a first heat sink; 41. a cooling structure; 42. a first fan; 421. a first motor; 422. a first rotating shaft; 43. a drawer; 431. a support block; 44. a vent hole; 45. a condenser tube; 451. a valve; 46. a water inlet; 47. a water outlet; 48. a handle; 49. a first sliding structure; 50. a protection plate; 51. a first plate section; 52. a second plate section; 60. a heat sink.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides a heat dissipation device for electrical equipment, which aims to solve the problem of poor heat dissipation effect of the electrical equipment in the prior art.

As shown in fig. 1 to 4, the heat sink for electric power equipment includes a case 10, a fixing plate 20, a second heat sink 30, and a first heat sink 40, the case 10 having a receiving space 11; the fixing plate 20 is provided with a plurality of air holes 21, the fixing plate 20 is arranged in the box body 10, the fixing plate 20 is arranged at intervals with the top surface of the box body 10 and the bottom surface of the box body 10, and the power equipment is arranged on the fixing plate 20; the first heat sink 40 is disposed under the fixing plate 20; the second heat sink 30 is disposed on the sidewall of the case 10, and the second heat sink 30 is located above the fixing plate 20.

The electric power equipment can be placed in the accommodation space 11 by providing the accommodation space 11 in the case 10. The power equipment and the first heat dissipation device 40 are spaced by the fixing plate 20, so that the second heat dissipation device 30 and the first heat dissipation device 40 can dissipate heat of the power equipment, the heat dissipation effect of the power equipment is improved, the power equipment is prevented from being influenced by high temperature for a long time, the power equipment can stably operate, and the service life of the power equipment is prolonged.

As shown in fig. 1, the first heat sink 40 includes a cooling structure 41 and a first fan 42, the cooling structure 41 is slidably disposed below the fixing plate 20, and the cooling structure 41 is spaced from the bottom surface of the box 10; the first fan 42 is provided on the bottom surface of the cabinet 10, and the first fan 42 blows low-temperature air at the cooling structure 41 to the electric devices. The cooling structure 41 is configured to reduce the ambient temperature in the accommodating space 11, so as to cool down the electrical equipment. The arrangement of the first fan 42 can blow low-temperature air at the cooling structure 41 into the power equipment, so as to reduce the ambient temperature at the power equipment, avoid the temperature rise of the power equipment, enable the power equipment to work stably, and prolong the service life of the power equipment.

In the specific embodiment shown in fig. 2, the first fan 42 includes a first motor 421 and a first rotating shaft 422, the first rotating shaft 422 is connected to the first motor 421, a plurality of blades are disposed on the first rotating shaft 422, and the first motor 421 rotates to blow air to blow the low-temperature air at the condensing pipe 45 into the electrical equipment.

As shown in fig. 2, the cooling structure 41 includes a drawer 43 and a condensation duct 45, the drawer 43 is detachably connected to the cabinet 10, the drawer 43 is capable of sliding relative to the cabinet 10, and a bottom surface of the drawer 43 has a vent hole 44; the condensation duct 45 is accommodated in the drawer 43, and a water inlet 46 of the condensation duct 45 and a water outlet 47 of the condensation duct 45 are exposed to the outside of the drawer 43. The condensation duct 45 is provided in the drawer 43 so that the condensation duct 45 can be detached from the cabinet 10 together with the drawer 43, thereby facilitating replacement and maintenance of the condensation duct 45. The vent holes 44 are formed in the bottom surface of the drawer 43, so that wind blown by the first fan 42 can enter the drawer 43, and cold air generated by the condensation pipes 45 can be blown into the power equipment, so that the power equipment can be well cooled. Valves 451 are arranged on the water inlet 46 and the water outlet 47 to control the water inlet time and the water outlet time of the condenser tube 45.

When the medium in the condensation duct 45 needs to be replaced, the valve 451 on the water outlet 47 is opened to discharge the medium in the condensation duct 45, and then the valve 451 on the water outlet 47 is closed. The valve 451 on the water inlet 46 is opened to feed the medium into the condensation duct 45, so that the cooling effect of the condensation duct 45 is better.

As shown in fig. 1 and 2, one side wall of the drawer 43 is provided with a handle 48, two side walls of the drawer 43 on both sides of the handle 48 are provided with first sliding structures 49, and the inner side wall of the box body 10 is provided with a second sliding structure 12 matched with the first sliding structures 49, so that the drawer 43 can stably move. The handle 48 is provided to facilitate the operator to remove the drawer 43 from the cabinet 10 for easy operation. The provision of the first glide structure 49 and the second glide structure 12 facilitates movement of the drawer 43 to make movement of the drawer 43 more stable. Grip grooves are cut in the handle 48 to fit the fingers.

In the specific embodiment shown in fig. 2 and 3, the first sliding mechanism 49 is a slider and the second sliding mechanism 12 is a runner.

Of course, the first sliding structure 49 may be a sliding slot, and the second sliding structure 12 may be a sliding block.

In the embodiment shown in fig. 2, the drawer 43 has a plurality of supporting blocks 431 on the bottom wall, and the supporting blocks 431 are arranged at intervals. Still be provided with the U-shaped groove on the supporting shoe 431, the condenser pipe 45 holding is in the U-shaped groove, and the U-shaped groove forms spacingly to condenser pipe 45, guarantees that condenser pipe 45 can the steady operation.

As shown in fig. 1 and 3, the bottom surface of the box 10 has a plurality of supporting structures 13, the supporting structures 13 are spaced apart, the first fan 42 is disposed between two adjacent supporting structures 13, and the drawer 43 is disposed between the supporting structures 13 and the fixing plate 20. The setting of bearing structure 13 can form good support to drawer 43 and guarantee the stability of drawer 43 motion, makes drawer 43 and fixed plate 20 laminate simultaneously to make the cold air that condenser pipe 45 produced can flow power equipment department fast, increased the radiating efficiency, guarantee power equipment steady operation.

As shown in fig. 1 and 3, the second heat sink 30 includes a second fan 31 and a heat dissipating blade 32, the second fan 31 being disposed on one side wall of the case 10; the heat dissipating blades 32 are disposed in the rotary grooves 14 of the side wall of the case 10 opposite to the second fan 31, and the air blown by the second fan 31 flows out of the accommodating space 11 through the heat dissipating blades 32. The second heat dissipation device 30 is provided to further dissipate heat of the electric power equipment. The second heat dissipation device 30 is located above the fixing plate 20, so that the second heat dissipation device 30 can directly dissipate heat of the power equipment, the heat dissipation efficiency is increased, and the power equipment can stably operate. The air blown by the second fan 31 flows to the heat dissipating blades 32 after flowing through the accommodating space 11, so that the high-temperature air at the power equipment is blown out of the accommodating space through the heat dissipating blades 32, and the heat dissipating efficiency is increased. The second heat sink 30 can also prevent heat generated by the power equipment from flowing into the first heat sink 40, and prevent the temperature rise of the condenser tube 45. The radiation fins 32 can rotate in the rotary groove 14 to allow the high-temperature gas in the accommodation space 11 to flow out.

In the particular embodiment shown in fig. 3, the second fan 31 is a fan. The second fan 31 includes a second motor 314 and a second rotating shaft 315, and blades of the fan are mounted on the second rotating shaft 315. The side wall for installing the fan is provided with a fan slot 311, a support plate 312 is arranged between the upper wall and the lower wall of the fan slot 311, a side surface of the support plate 312 far away from the accommodating space is provided with a second rotating shaft 315, and a side surface of the support plate 312 near the accommodating space 11 is provided with fan blades of the fan. The second motor 314 is disposed at an outer side of the cabinet 10 to reduce heat generated from the second motor 314, increasing a heat dissipation effect.

In the embodiment shown in fig. 1, a filter screen 313 is disposed in the fan slot 311, and the filter screen 313 is located between the motor of the fan and the support plate 312, so that an external structural member is not easy to enter the accommodating space 11 from the fan slot 311, and the fan blades and the power equipment of the fan are protected, thereby ensuring stable operation of the fan and the power equipment.

In the embodiment shown in fig. 1, the distance from the heat dissipation blade 32 to the fixed plate 20 is smaller than the distance from the second fan 31 to the fixed plate 20, so that the wind blown by the second fan 31 blows on the heat dissipation blade 32, so that the heat dissipation blade 32 can rotate in the rotary slot 14, and the heat dissipation blade 32 dissipates the heat in the accommodating space 11 from different angles, thereby increasing the heat dissipation efficiency.

As shown in fig. 1, 3 and 4, the heat sink for power equipment further includes a protection plate 50, the protection plate 50 is attached to an outer sidewall of the box 10 having the rotary slot 14, and the protection plate 50 is located above the rotary slot 14. The arrangement of the protection plate 50 can protect the heat dissipation blades 32, so that collision of other structural members on the heat dissipation blades 32 can be avoided, and the working stability of the heat dissipation blades 32 is improved.

As shown in fig. 1, 3 and 4, the protection plate 50 includes a first plate section 51 and a second plate section 52 connected in sequence, the first plate section 51 extends horizontally from the outer side wall of the box 10, and the second plate section 52 extends obliquely downward from the side of the first plate section 51 away from the box 10. The protection range of the protection plate 50 can be increased by the arrangement, so that small structural members can be prevented from entering the rotary groove 14, the situation that the radiating blades 32 are clamped by small structures can be avoided, and the working stability of the radiating blades 32 is improved. Meanwhile, the arrangement does not block the heat from flowing out of the accommodating space 11, and the second heat dissipation device 30 is ensured to dissipate heat stably.

As shown in fig. 1, the box 10 includes a main body 15 and a door 16, the main body 15 is in a groove shape, and the main body 15 has an opening; the door 16 is hinged to the body 15, the door 16 has a fastening state completely blocking the opening, the second heat sink 30 is disposed on a side wall adjacent to the door 16, and a side wall opposite to the door 16 has a heat dissipating opening 17. The openable and closable arrangement between the door 16 and the body 15 facilitates assembly and maintenance of the structure in the accommodating space 11 to ensure stable operation of the power equipment. The heat dissipation port 17 is provided to enable heat generated by the electric power equipment to exchange heat with the outside even when the second heat dissipation device 30 and the first heat dissipation device 40 are not turned on or damaged, so as to ensure stable operation of the electric power equipment.

As shown in fig. 4, the heat dissipation device for power equipment further includes a heat dissipation plate 60, the heat dissipation plate 60 is connected to the side wall opposite to the door 16, the heat dissipation plate 60 extends obliquely downward from the box 10, the heat dissipation plate 60 is located above the heat dissipation opening 17, and the heat dissipation plate 60 and the heat dissipation opening 17 are disposed in one-to-one correspondence. The heat dissipation plate 60 can increase heat dissipation efficiency, so that the heat of the electric power equipment can be dissipated more quickly. The setting of heating panel 60 can also shelter from thermovent 17, avoids other structures to drop to accommodation space 11 in, has guaranteed the stability of power equipment work.

As shown in fig. 1, the door 16 has a first engaging structure 18, the body 15 has a second engaging structure 19 cooperating with the first engaging structure 18, and the door 16 is engaged with the body 15 after the first engaging structure 18 and the second engaging structure 19 are engaged. The first engaging structure 18 and the second engaging structure 19 are disposed to enable the door 16 and the body 15 to be opened and closed, so as to ensure that the door 16 and the body 15 can be tightly closed, so that the box 10 is not easily opened, and the safety is higher.

In the embodiment shown in fig. 1, the first engaging structure 18 is a limiting block, the second engaging structure 19 is two limiting blocks, the two limiting blocks are spaced apart from each other, and the limiting blocks have limiting holes, when the door 16 is engaged with the body 15, the first engaging structure 18 extends into the second engaging structure 19, and the screw is inserted into the limiting hole to complete the engagement between the first engaging structure 18 and the second engaging structure 19.

Of course, the first and second engaging structures 18 and 19 may also be other engaging forms, such as clasp engagement, locking engagement, etc.

The heat that power equipment produced when moving in this application can discharge fast, is difficult for making box 10 be in high temperature state for a long time for power equipment moves more steadily, has increased power equipment's life.

The working principle and the use flow of the heat dissipation device of the power equipment are as follows: when the electrical equipment in the accommodating space 11 is operated after the door 16 is closed, the second heat sink 30 and the first heat sink 40 are activated. First motor 421 starts the back, drives the flabellum rotation on the first pivot 422 to blow in condenser pipe 45 department with wind through ventilation hole 44, form cold wind after wind and the heat transfer of condenser pipe 45, blow in power equipment department with cold wind, the heat that cold wind and power equipment produced is crisscross mutually, in order to cool down power equipment. The second fan 31 is operated to generate wind in the horizontal direction, and blows out heat generated by the electric power equipment to the outside of the cabinet 10.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical equipment heat sink, comprising:

a case (10), the case (10) having a housing space (11);

the fixing plate (20) is provided with a plurality of air holes (21), the fixing plate (20) is arranged in the box body (10), the fixing plate (20) and the top surface of the box body (10) and the bottom surface of the box body (10) are arranged at intervals, and power equipment is arranged on the fixing plate (20);

a first heat sink (40), the first heat sink (40) being disposed below the fixing plate (20);

the second heat dissipation device (30) is arranged on the side wall of the box body (10), and the second heat dissipation device (30) is located above the fixing plate (20).

2. The electrical equipment heat sink according to claim 1, wherein the first heat sink (40) comprises:

the cooling structure (41), the cooling structure (41) is arranged below the fixing plate (20) in a sliding mode, and the cooling structure (41) is arranged at an interval with the bottom surface of the box body (10);

a first fan (42), the first fan (42) being disposed on a bottom surface of the case (10), the first fan (42) blowing low-temperature air at the cooling structure (41) to the electric power equipment.

3. The electrical equipment heat sink according to claim 2, wherein the cooling structure (41) comprises:

a drawer (43), wherein the drawer (43) is detachably connected with the box body (10), the drawer (43) can slide relative to the box body (10), and the bottom surface of the drawer (43) is provided with a ventilation hole (44);

the condensation pipe (45) is accommodated in the drawer (43), and a water inlet (46) of the condensation pipe (45) and a water outlet (47) of the condensation pipe (45) are exposed outside the drawer (43).

4. The heat sink for electric power equipment according to claim 3, wherein one side wall of the drawer (43) is provided with a handle (48), the drawer (43) is provided with a first sliding structure (49) on two side walls at two sides of the handle (48), and the inner side wall of the box body (10) is provided with a second sliding structure (12) matched with the first sliding structure (49) so as to enable the drawer (43) to move stably.

5. The heat sink for electric power equipment according to claim 3, wherein the bottom surface of the box (10) has a plurality of supporting structures (13), the supporting structures (13) are arranged at intervals, the first fan (42) is arranged between two adjacent supporting structures (13), and the drawer (43) is arranged between the supporting structures (13) and the fixing plate (20).

6. The electrical equipment heat sink according to claim 1, wherein the second heat sink (30) comprises:

a second fan (31), the second fan (31) being disposed on one side wall of the case (10);

the heat dissipation blades (32) are arranged in the rotating grooves (14) of the side wall of the box body (10) opposite to the second fan (31), and air blown out by the second fan (31) flows out of the accommodating space (11) through the heat dissipation blades (32).

7. The power equipment heat sink according to claim 6, further comprising a protection plate (50), wherein the protection plate (50) is connected to an outer side wall of the box (10) having the rotary groove (14), and the protection plate (50) is located above the rotary groove (14).

8. The heat sink for electric power equipment as recited in claim 7, wherein the protection plate (50) comprises a first plate section (51) and a second plate section (52) connected in series, the first plate section (51) horizontally protrudes from the outer sidewall of the box body (10), and the second plate section (52) obliquely protrudes downward from the side of the first plate section (51) away from the box body (10).

9. The electrical equipment heat sink according to any one of claims 1 to 8, wherein the case (10) comprises:

a body (15), the body (15) being trough-shaped, the body (15) having an opening;

the refrigerator door (16), door (16) with body (15) are articulated, door (16) have the buckle state that shelters from the opening completely, second heat abstractor (30) set up with door (16) adjacent lateral wall on, with door (16) relative lateral wall has thermovent (17).

10. The electrical equipment heat sink of claim 9,

the heat dissipation device for the power equipment further comprises a heat dissipation plate (60), the heat dissipation plate (60) is connected to the side wall opposite to the box door (16), the heat dissipation plate (60) extends obliquely and downwards from the box body (10), the heat dissipation plate (60) is located above the heat dissipation port (17), and the heat dissipation plate (60) and the heat dissipation port (17) are arranged in a one-to-one correspondence manner; and/or

The box door (16) is provided with a first buckling structure (18), the body (15) is provided with a second buckling structure (19) matched with the first buckling structure (18), and the box door (16) is buckled with the body (15) after the first buckling structure (18) and the second buckling structure (19) are buckled.