CN220457808U - Inverter heat radiation structure and inverter - Google Patents

Abstract

The utility model relates to the technical field of inverter heat dissipation and provides an inverter heat dissipation structure and an inverter, wherein the inverter heat dissipation structure comprises a fan, an air inlet valve, an air outlet valve and a pinch plate, through holes are respectively formed in two side walls of the inverter, which are oppositely arranged along the same direction, the air inlet valve and the air outlet valve are respectively arranged in the two through holes, the fan is arranged on the inner wall of the side wall, the fan is positioned at the air inlet valve position and/or the air outlet valve position, the two pinch plate is respectively positioned at the air inlet valve position and the air outlet valve position, the pinch plate is used for being buckled on the outer wall of the side wall, the pinch plate is used for forming a cavity with an opening downwards with the side wall, and the opening is provided with a dustproof structure. Not only can effectively dissipate heat in the inverter and improve the heat dissipation efficiency, but also can effectively prevent dust and water in the inverter, and ensures that the inverter can stably operate.

Description

Inverter heat radiation structure and inverter

Technical Field

The utility model relates to the technical field of inverter heat dissipation, in particular to an inverter heat dissipation structure and an inverter.

Background

The inverter is a converter for converting direct current electric energy (a battery and an accumulator jar) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current. For example, in photovoltaic power generation plants, photovoltaic inverters are one of the important components. In the working process of the inverter, the internal temperature of the inverter can influence the performance and efficiency of components of the inverter, for example, the excessive temperature can increase and increase the loss of the components.

In the prior art, the inverter needs to meet the requirements of dust prevention, water prevention and the like, the box body of the inverter is generally closed, the internal high temperature of the inverter is conducted by the wall of the box body of the inverter, the heat dissipation efficiency is poor, and if the internal high temperature heat cannot be timely conducted out, the integral performance of the inverter is affected.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: how to improve the heat dissipation efficiency of the inverter and ensure the normal operation of the inverter.

The utility model provides an inverter heat dissipation structure which comprises a fan, an air inlet valve, an air outlet valve and a pinch plate, wherein through holes are respectively formed in two side walls of an inverter, which are oppositely arranged along the same direction, the air inlet valve and the air outlet valve are respectively arranged in the two through holes, the fan is arranged on the inner wall of the side wall, the fan is positioned at the position of the air inlet valve and/or the position of the air outlet valve, the two pinch plates are respectively positioned at the position of the air inlet valve and the position of the air outlet valve, the pinch plate is used for being buckled on the outer wall of the side wall, the pinch plate is used for forming a cavity with an opening downwards with the side wall, and the opening is provided with a dustproof structure.

Optionally, the air inlet valve and the air outlet valve are both unidirectional air valves, the air inlet end of the fan is arranged towards the direction close to the air inlet valve, and the air outlet end of the fan is arranged towards the direction close to the air outlet valve.

Optionally, the structure of admission valve with the structure of air outlet valve is the same, includes ventilation board and the clamp plate of shape looks adaptation respectively, ventilation board inlays to be located in the through-hole, ventilation hole and mounting hole have been seted up on the ventilation board, the mounting hole is located ventilation board's middle part, the middle part protrusion of clamp plate is provided with the guide post, the guide post wears to locate the mounting hole, just the cover is equipped with the spring on the guide post, the one end of spring with the guide post is kept away from the one end butt of clamp plate, the other end of spring with ventilation board butt.

Optionally, the border of ventilation board is provided with the flange, the flange be used for with the lateral wall butt around the through-hole, just the flange with be provided with first sealing washer between the lateral wall.

Optionally, a plurality of uniformly distributed ventilation holes are formed in the ventilation plate, the pressing plate covers the ventilation holes, and a second sealing ring is arranged between the edge of the pressing plate and the ventilation plate.

Optionally, the position of the outlet valve on the side wall is higher than the position of the inlet valve on the side wall.

Optionally, the buckle plate includes upper end plate and curb plate, upper end plate curb plate with the lateral wall surrounds and constitutes down has the opening the cavity, just upper end plate slope sets up.

Optionally, the heat dissipation structure of the inverter further includes a grid plate, where the grid plate is connected between the lower end of the buckle plate and the side wall, and covers the opening.

Optionally, the dustproof structure includes dustproof cotton and connecting piece, the connecting piece set up in between the buckle with the lateral wall, dustproof cotton pass through the connecting piece shutoff in the opening.

Compared with the prior art, the inverter heat dissipation structure provided by the utility model has the following technical effects:

the inverter heat radiation structure provided by the utility model can be applied to heat radiation of an inverter, through arranging an air inlet valve and an air outlet valve, through arranging through holes on two side walls which are oppositely arranged along the same direction of a box body of the inverter respectively, one side of the inverter is used as an air inlet, the other side of the inverter is used as an air outlet, a fan is arranged on the inner wall of the side wall of the box body, namely the inverter is positioned in the box body of the inverter, the position of the fan corresponds to the position of the air inlet valve and/or the air outlet valve, for example, one fan can be arranged at the air inlet valve or the air outlet valve, or two fans are arranged at the air inlet valve and the air outlet valve respectively, thereby opening the fan, the air inlet valve and the air outlet valve according to the temperature inside the inverter or the working condition of the inverter, for example, when the temperature is too high, or the inverter is in a high-power working state, through the operation of the fan, cold air can enter the inverter from the air inlet valve and then be led out from the air outlet valve arranged in the opposite direction, heat is taken away, and then the inverter is cooled and radiated, meanwhile, through the arrangement that the pinch plate corresponding to the positions of the air inlet valve and the air outlet valve is arranged on the outer wall of the side wall of the box body, the pinch plate can form a cavity with an opening downwards with the side wall, cold air and hot air can be led in and led out from the opening of the cavity, the pinch plate can also prevent rainwater and the like from entering the air inlet valve or the air outlet valve, so that the air inlet valve or the air outlet valve enters the inverter, the pinch plate can effectively prevent water, and a dustproof structure is arranged at the opening, dust can be prevented in the whole cooling and radiating process, the influence on the normal operation of the inverter is avoided, the whole reliability is improved, the inverter can be effectively radiated through the arrangement of the structure, the heat dissipation efficiency of the inverter is improved, and the inside of the inverter is effectively protected from dust and water, so that the inverter can work normally and stably.

In addition, the utility model also provides an inverter comprising the inverter heat dissipation structure.

Compared with the prior art, the inverter provided by the utility model has the technical effects approximately same as those of the inverter radiating structure by arranging the inverter radiating structure, and the technical effects are not repeated here.

Drawings

Fig. 1 is a schematic cross-sectional view of a heat dissipation structure of an inverter according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a cross-sectional structure of a heat dissipation structure of an inverter according to an embodiment of the utility model;

fig. 3 is a schematic diagram of a cross-sectional structure of a heat dissipation structure of an inverter according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view at a in fig. 1.

Reference numerals illustrate:

10-fans, 20-air inlet valves, 30-air outlet valves, 31-ventilation plates, 311-ventilation holes, 312-flanges, 32-pressing plates, 321-guide posts, 40-pinch plates, 41-upper end plates, 42-side plates, 50-springs, 60-grid plates, 70-dustproof cotton and 01-side walls.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

In the description of the present utility model, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used for convenience of description of the present utility model based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus to be referred to must have a specific direction, be configured and manipulated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

In order to solve the above technical problems, as shown in fig. 1 to 3, the embodiment of the utility model provides a heat dissipation structure of an inverter, which comprises a fan 10, an air inlet valve 20, an air outlet valve 30 and a buckle plate 40, wherein through holes are respectively formed in two side walls 01 of the inverter, which are oppositely arranged along the same direction, the air inlet valve 20 and the air outlet valve 30 are respectively arranged in the two through holes, the fan 10 is arranged on the inner wall of the side wall 01, the fan 10 is positioned at the position of the air inlet valve 20 and/or the position of the air outlet valve 30, the two buckle plates 40 are respectively positioned at the position of the air inlet valve 20 and the position of the air outlet valve 30, the buckle plates 40 are respectively buckled on the outer walls of the side walls 01, the buckle plates 40 are used for forming a cavity with an opening downwards with the side walls 01, and the opening is provided with a dust-proof structure.

It should be noted that, the box of the inverter is generally in a sealed square structure, that is, has symmetrical side walls 01, and the air inlet valve 20 and the air outlet valve 30 are installed in through holes of two side walls 01 disposed opposite to each other along the same direction, that is, cold air can enter from one side of the box, pass through the inside of the box of the inverter, and then is led out from the opposite side to take away heat. The fan 10 is located at the position of the air inlet valve 20 and/or the position of the air outlet valve 30, meaning that the air inlet and the air outlet of the fan 10 correspond to the positions of the air inlet valve 20 and/or the air outlet valve 30, as shown in fig. 1, for example, the heat dissipation structure of the inverter is provided with one fan 10 and is installed at the position of the air outlet valve 30, at this time, the air outlet of the fan 10 is arranged close to the air outlet valve 30, that is, the fan 10 blows air from inside to outside, in which case, cold air can enter from the air inlet valve 20, and the air flow is disturbed by the fan 10 and blown to the air outlet valve 30 and the heat is carried out of the box; as shown in fig. 2, the fan 10 is also arranged as a fan 10, and the fan 10 is arranged at the position of the air inlet valve 20, at this time, the air outlet of the fan 10 is arranged far away from the air inlet valve 20, that is, the fan 10 sucks cold air from the outer box through the air inlet valve 20 and blows out the cold air from the air outlet valve 30; as shown in fig. 3, two fans 10 may be provided and mounted at the positions of the air inlet valve 20 and the air outlet valve 30, respectively, and the mounting direction of the fans 10 is the same as the above two modes, and the air flow may be sucked and guided out for heat dissipation.

Meanwhile, the fan 10 can be installed on the inner wall of the side wall 01 through the circular installation frame, and the fan 10 can be effectively supported and fixed without obstructing the flow of air flow. And, can install temperature sensor or thermometer in the inverter box to learn the inside temperature of box at any time, when the temperature is too high, can open fan 10 and dispel the heat work, perhaps judge when opening the heat dissipation through the operating power of inverter, in addition, also can carry out automatic control through setting up the controller, do not specifically limit here.

In the present embodiment, the inverter heat dissipation structure provided in the present embodiment can be applied to heat dissipation of an inverter, by providing the air inlet valve 20 and the air outlet valve 30, the air inlet valve 20 and the air outlet valve 30 can be installed by respectively opening through holes in two side walls 01 of a case of the inverter, which are disposed opposite to each other in the same direction, one side of the case serves as an air inlet, the other side of the case serves as an air outlet, and by installing the blower 10 in an inner wall of the case side wall 01, that is, in the case of the inverter, and the position of the blower 10 corresponds to the position of the air inlet valve 20 and/or the air outlet valve 30, for example, one blower 10 may be provided, installed at the air inlet valve 20 or the air outlet valve 30, or two blowers 10 may be provided at the air inlet valve 20 and the air outlet valve 30, respectively, whereby opening of the blower 10, the air inlet valve 20 and the air outlet valve 30 may be performed according to the temperature inside the inverter, or the inverter operation condition, for example, when the temperature is too high, or the inverter is in a high-power working state, cold air can enter the inverter from the air inlet valve 20 through the operation of the fan 10, then is led out from the air outlet valve 30 arranged in the opposite direction, and takes away heat, so as to cool and dissipate heat in the inverter, meanwhile, through installing the pinch plate 40 corresponding to the positions of the air inlet valve 20 and the air outlet valve 30 on the outer wall of the side wall 01 of the box body, the pinch plate 40 and the side wall 01 can form a cavity with an opening downwards, cold air and hot air can be led in and led out from the opening of the cavity, the pinch plate 40 can also prevent rainwater and the like from entering the air inlet valve 20 or the air outlet valve 30, so as to enter the inverter, the pinch plate 40 can effectively conduct water prevention, and is provided with a dustproof structure at the opening, dust prevention can be conducted in the whole cooling and heat dissipation process, and the normal operation in the inverter is prevented from being influenced, the integral reliability is improved, through the structure, the inverter can be effectively cooled, the cooling efficiency is improved, the inverter is effectively protected from dust and water, and the inverter can be normally and stably operated.

Alternatively, as shown in fig. 1 to 3, the air inlet valve 20 and the air outlet valve 30 are both unidirectional air valves, the air inlet end of the fan 10 is disposed towards the direction close to the air inlet valve 20, and the air outlet end of the fan 10 is disposed towards the direction close to the air outlet valve 30.

Specifically, the one-way air valve is a one-way valve capable of conducting air flow, that is, the air flow can only be sucked or blown out from one direction, the air inlet valve 20 is used as an air inlet valve body, the air inlet is outwards arranged, the air outlet is inwards arranged, the air outlet valve 30 is used as an air outlet valve body, the air inlet is inwards arranged, and the air outlet is outwards arranged.

In this embodiment, through setting the air inlet valve 20 and the air outlet valve 30 to be unidirectional air valves, it is convenient to regulate and control the flow direction of cold air heat dissipation air flow, it is convenient for the design of whole heat dissipation structure, and through setting the air inlet end of the fan 10 towards the direction that is close to the air inlet valve 20, the air outlet end of the fan 10 is towards the direction that is close to the air outlet valve 30, that is to say design the heat dissipation air flow channel to be inhaled from the air inlet valve 20, blow out from the air outlet valve 30, for example, from left to right air flow direction in fig. 1 to 3, form regular air flow, it is convenient for improve the radiating efficiency.

Alternatively, as shown in fig. 1 to 4, the air inlet valve 20 and the air outlet valve 30 have the same structure and respectively comprise an air vent plate 31 and a pressure plate 32 with the shape being adapted, the air vent plate 31 is embedded in the through hole, an air vent 311 and a mounting hole are formed in the air vent plate 31, the mounting hole is located in the middle of the air vent plate 31, a guide post 321 is convexly arranged in the middle of the pressure plate 32, the guide post 321 penetrates through the mounting hole, a spring 50 is sleeved on the guide post 321, one end of the spring 50 is abutted to one end of the guide post 321 away from the pressure plate 32, and the other end of the spring 50 is abutted to the air vent plate 31.

Specifically, the ventilation plate 31 and the pressure plate 32 are both in circular plate structures and are matched with the through hole of the side wall 01, the initial state of the spring 50 is a compressed state, that is, the pressure plate 32 is pressed on the ventilation plate 31 by the elastic force of the spring 50 and covers and seals the ventilation hole 311, the elastic force and the compression condition of the spring 50 can be selected according to the wind force of the fan 10, that is, after the fan 10 works, the wind force can blow the pressure plate 32 and drive the spring 50 to compress, that is, the ventilation hole 311 leaks out for conducting air flow, it is understood that the end of the guide post 321, which is far away from the main body of the pressure plate 32, can be provided with a circular boss for fixing the spring 50 and abutting with the boss, the other end of the spring 50 abuts against the peripheral side of the installation hole in the middle of the ventilation plate 31, so as to fix the position of the spring 50, and meanwhile, the installation directions of the air inlet valve 20 and the air outlet valve 30 can be selected according to actual needs, that is, for example, the moving direction of the fan 10 moves from left to right in fig. 4, the guide post 321 and the spring 50 are located on the left side of the ventilation plate 31, so that the spring 50 can move to a certain extent when the pressure plate 32 can move to the ventilation plate 32, and the ventilation hole 311 can be compressed, and the ventilation hole 32 can be greatly limited.

In this embodiment, the air inlet valve 20 and the air outlet valve 30 are set to have the same structure, taking the air outlet valve 30 as an example, as shown in fig. 4, the air inlet valve comprises a structural form of an air ventilation plate 31 and a pressure plate 32, and through the arrangement of the air ventilation plate 31 with the air ventilation hole 311 and the mounting hole, the air ventilation hole 311 can be used as a flow hole of air flow, the mounting hole can be used as a mounting structure of a guide post 321 slidingly connected with the pressure plate 32, that is, when the fan 10 works, air is blown to the air outlet valve 30, the wind force drives the pressure plate 32 to move, compresses the spring 50, leaks the air ventilation hole 311, and realizes the conduction of air flow, the principle of the air inlet valve 20 is the same, the wind force of the fan 10 is suction, and the conduction of the air inlet valve 20 is realized, and through the structural arrangement, the conduction of a heat dissipation air flow channel can be realized through the work of the fan 10, and the structural design is reasonable, and the operation is convenient.

Optionally, as shown in fig. 4, a flange 312 is disposed on an edge of the ventilation board 31, the flange 312 is configured to abut against the sidewall 01 around the through hole, and a first sealing ring is disposed between the flange 312 and the sidewall 01.

In this embodiment, through setting up flange 312 at the border of ventilation board 31, it can be as carrying out the butt with the mounting structure of lateral wall 01, the installation of admission valve 20 and air outlet valve 30 of being convenient for, and prevent that admission valve 20 and air outlet valve 30 from deviating from the through-hole of lateral wall 01, improved the stability of structure, simultaneously, through setting up first sealing washer between flange 312 and lateral wall 01, improved its sealing performance, and then improved the holistic sealing performance of dc-to-ac converter, guarantee that the inside components and parts of dc-to-ac converter can normally work.

Optionally, as shown in fig. 4, the ventilation plate 31 is provided with a plurality of ventilation holes 311 uniformly distributed, the pressure plate 32 is covered on the plurality of ventilation holes 311, and a second sealing ring is disposed between the edge of the pressure plate 32 and the ventilation plate 31.

In this embodiment, through set up the air vent 311 that a plurality of equipartitions set up on the aeration board 31, be convenient for improve the amount of wind and the homogeneity of heat dissipation air current, improve radiating efficiency, and through all can cover a plurality of air vents 311 with clamp plate 32 and establish, guarantee its heat dissipation channel's closure and validity, and through set up the second sealing washer between the edge of clamp plate 32 and aeration board 31, when not hindering heat dissipation air current and switch on, improved holistic sealing performance, guaranteed holistic stability.

Alternatively, as shown in fig. 1 to 3, the position of the air outlet valve 30 on the side wall 01 is higher than the position of the air inlet valve 20 on the side wall 01.

In particular, the comparison of the height of the above-mentioned positions may be relative to a horizontal plane, i.e. the bottom wall of the tank in fig. 1 to 3, the height of the outlet valve 30 from the inlet valve 20 at the side wall 01, i.e. its vertical distance from the bottom wall.

In this embodiment, the position of the air outlet valve 30 on the side wall 01 is set to be higher than the position of the air inlet valve 20 on the side wall 01, that is, the air outlet valve 30 is located above the air inlet valve 20, and meanwhile, the air outlet of the overall heat dissipation air flow is higher than the air inlet, so that the heat dissipation air flow enters the inside of the box body from a low position and is led out from a high position, on one hand, the flow length of the heat dissipation air flow in the inside of the box body is increased, the heat dissipation area is increased, the heat dissipation effect and the heat dissipation efficiency are further improved, and on the other hand, the air outlet is higher than the air inlet according to the hot air rising principle, so that the air outlet is more in accordance with the flow rule of high-temperature air, that is, the heat dissipation efficiency is further improved.

Alternatively, as shown in fig. 1 to 3, the buckle 40 includes an upper end plate 41 and a side plate 42, the upper end plate 41, the side plate 42 and the side wall 01 surround to form the cavity having the opening downward, and the upper end plate 41 is disposed obliquely.

Specifically, the shape and size of the pinch plate 40 are only required to satisfy that the pinch plate can cover the air inlet valve 20 and the air outlet valve 30, and the lower end of the pinch plate has an opening, and the overall shape and composition of the pinch plate are not limited herein, for example, the pinch plate can be formed by splicing an upper end plate 41 and three side plates 42 arranged vertically, the side wall 01 of the box body of the inverter can be used as the side plate 42 of one pinch plate 40, and the lower end plate is not provided as the opening of the cavity, so that the upper end plate 41, the side plates 42 and the side wall 01 surround to form the cavity with the opening downwards, and meanwhile, the inclined arrangement of the upper end plate 41 means that the connecting end of the upper end plate 41 and the side wall 01 is higher than the connecting end of the upper end plate 41 and the side wall 01 and the side plate 42, thereby playing a role in preventing water storage.

In this embodiment, through setting up buckle 40 into the structural style of upper end plate 41 and curb plate 42, be convenient for it detain and establish in inlet valve 20 and air outlet valve 30 position to be carried out rain-proof, waterproof protection to it, be convenient for simultaneously realize constituting and have open-ended ventilation and protection cavity downwards, structural design is reasonable, be convenient for realize and installation, and through setting up upper end plate 41 slope, prevent that rainwater etc. from remaining on upper end plate 41, be convenient for rainwater etc. fast flow down, guaranteed overall structure's rain-proof, waterproof protective properties.

Optionally, as shown in fig. 1 to 3, the heat dissipation structure of the inverter further includes a louver 60, and the louver 60 is connected between the lower end of the buckle plate 40 and the side wall 01, and covers the opening.

In this embodiment, the grid plate 60 is disposed between the lower end of the buckle plate 40 and the side wall 01 of the box body, so that the opening of the cavity can be plugged and ventilated, and impurities, animals and the like are prevented from entering the cavity while the gas flow is not hindered, the stability of the heat dissipation structure is affected, and the overall stability and reliability are improved.

Alternatively, as shown in fig. 1 to 3, the dustproof structure includes dustproof cotton 70 and a connecting piece, the connecting piece is disposed between the buckle 40 and the side wall 01, and the dustproof cotton 70 is plugged into the opening through the connecting piece.

Specifically, the connecting piece may be a frame structure, the dust-proof cotton 70 is installed in the frame structure to be fixed, or the connecting piece is colloid, and the dust-proof cotton 70 is adhered between the buckle 40 and the side wall 01.

In this embodiment, through setting up dustproof construction into dustproof cotton 70 and the structure of connecting piece, the connecting piece can be steadily and reliably install dustproof cotton 70 between buckle 40 and lateral wall 01, and then blocks off dustproof to the opening, has improved dustproof construction's stability, and then has improved holistic dustproof barrier propterty.

In addition, another embodiment of the present utility model provides an inverter including the inverter heat dissipation structure as described above.

Illustratively, the inverter is a photovoltaic inverter.

In this embodiment, the technical effects of the inverter according to the present embodiment are substantially the same as those of the inverter heat dissipation structure by providing the inverter heat dissipation structure, and will not be described herein.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides an inverter heat radiation structure, its characterized in that, including fan (10), admission valve (20), air outlet valve (30) and buckle (40), the through-hole has been seted up respectively on two lateral walls (01) that the opposite setting of along same direction of inverter, admission valve (20) with air outlet valve (30) are used for installing respectively in two in the through-hole, fan (10) are used for installing the inner wall of lateral wall (01), just fan (10) are located admission valve (20) position department and/or air outlet valve (30) position department, two buckle (40) are located respectively admission valve (20) position department with air outlet valve (30) position department, just buckle (40) are used for detaining and locate the outer wall of lateral wall (01), buckle (40) are used for with lateral wall (01) constitution has open-ended cavity down, the opening part is provided with dustproof construction.

2. The inverter heat dissipation structure according to claim 1, wherein the air inlet valve (20) and the air outlet valve (30) are unidirectional air valves, an air inlet end of the fan (10) is arranged towards a direction approaching the air inlet valve (20), and an air outlet end of the fan (10) is arranged towards a direction approaching the air outlet valve (30).

3. The inverter heat dissipation structure according to claim 2, characterized in that the structure of the air inlet valve (20) and the structure of the air outlet valve (30) are the same, the structure comprises an air ventilation plate (31) and a pressing plate (32) with the shape being matched, the air ventilation plate (31) is embedded in the through hole, an air ventilation hole (311) and a mounting hole are formed in the air ventilation plate (31), the mounting hole is located in the middle of the air ventilation plate (31), a guide post (321) is arranged in the middle of the pressing plate (32) in a protruding mode, the guide post (321) penetrates through the mounting hole, a spring (50) is sleeved on the guide post (321), one end of the spring (50) is in butt joint with one end of the guide post (321) away from the pressing plate (32), and the other end of the spring (50) is in butt joint with the air ventilation plate (31).

4. An inverter heat dissipation structure according to claim 3, characterized in that the edge of the ventilation plate (31) is provided with a flange (312), the flange (312) is adapted to abut against the side wall (01) around the through hole, and a first sealing ring is provided between the flange (312) and the side wall (01).

5. The inverter heat dissipation structure according to claim 3, wherein a plurality of ventilation holes (311) are uniformly formed in the ventilation plate (31), the pressure plate (32) is covered on the plurality of ventilation holes (311), and a second sealing ring is arranged between the edge of the pressure plate (32) and the ventilation plate (31).

6. The inverter heat dissipation structure according to claim 2, characterized in that the position of the air outlet valve (30) on the side wall (01) is higher than the position of the air inlet valve (20) on the side wall (01).

7. The inverter heat dissipation structure according to claim 1, wherein the buckle plate (40) includes an upper end plate (41) and a side plate (42), the upper end plate (41), the side plate (42) and the side wall (01) surround to form the cavity having the opening downward, and the upper end plate (41) is disposed obliquely.

8. The inverter heat dissipation structure as defined in claim 1 further comprising a louver (60), wherein the louver (60) is connected between the lower end of the clip (40) and the side wall (01), and covers the opening.

9. The inverter heat dissipation structure of claim 1, wherein the dustproof structure comprises dustproof cotton (70) and a connecting piece, the connecting piece is arranged between the buckle plate (40) and the side wall (01), and the dustproof cotton (70) is plugged in the opening through the connecting piece.

10. An inverter comprising the inverter heat dissipation structure as claimed in any one of claims 1 to 9.