CN222424516U - A housing and an inverter - Google Patents

Abstract

The application relates to the technical field of inverters, in particular to a shell and an inverter, wherein the shell is provided with a containing cavity, at least one side of the shell is provided with a radiating plate, the radiating plate is provided with a first radiating structure and a second radiating structure, the first radiating structure and the second radiating structure are arranged on two sides of the radiating plate, and heat generated by a piece to be radiated is transmitted to the second radiating structure through the first radiating structure to radiate. The shell utilizes the design of the heat dissipation plate, the first heat dissipation structure and the second heat dissipation structure, heat generated by the heat dissipation piece is transferred to the second heat dissipation structure through the first heat dissipation structure, and then is dissipated to the external environment through the second heat dissipation structure, so that heat dissipation and heat dissipation effects are realized; the shell can meet the heat radiation requirement of the part to be radiated without adding a radiator or other heat radiation equipment, can achieve the effects of saving the manufacturing cost and the layout space, and can be suitable for various electronic equipment or components needing heat radiation.

Description

Shell and inverter

Technical Field

The application relates to the technical field of inverters, in particular to a shell and an inverter.

Background

At present, in the field of high-power photovoltaic inverters, the problem of heat dissipation is always one main challenge of limiting the power of the inverter, and the problem of heat dissipation of the inverter is effectively treated to directly influence the safety, the reliability and the service life of the inverter.

With the continuous increase of the power density of high-power photovoltaic inverters, the dissipation of heat inside the inverter cavity becomes a great challenge, and how to effectively conduct out the in-cavity heat has become the primary task of solving the problem of heat dissipation of the inverter. Because only rely on the unable effective heat dissipation of dc-to-ac converter cavity itself, prior art is mainly through increasing the radiator that runs through the cavity and strengthen the heat dispersion, and one side of radiator sets up in the cavity inside, and the opposite side is then located the cavity outside, and the inside air of cavity forms the circulating air flow through inside fan, carries out the heat exchange with the fin of radiator inboard, then with the fin outside the heat transfer to the cavity, finally takes away the heat through outside fan.

However, this method has some disadvantages, firstly, that the inverter cavity needs to be provided with a radiator penetrating through the cavity, which increases the cost, secondly, that the radiator occupies a certain space to affect the layout of other components, and finally, that the radiator needs an additional fan to cool outside, which also increases the cost.

Disclosure of utility model

In order to solve the problems that the space layout of the inverter is affected and the manufacturing cost is increased due to the fact that the radiator is additionally arranged for radiating, the application provides a shell and the inverter.

The application provides a shell and an inverter, which adopt the following technical scheme:

A shell is used for cooling a piece to be cooled, the shell is provided with a containing cavity, at least one side of the shell is provided with a cooling plate, the cooling plate is provided with a first cooling structure and a second cooling structure, the first cooling structure and the second cooling structure are arranged on two sides of the cooling plate, and heat generated by the piece to be cooled is transferred to the second cooling structure through the first cooling structure to be cooled.

By adopting the technical scheme, the shell utilizes the design of the heat radiating plate, the first heat radiating structure and the second heat radiating structure, heat generated by the heat radiating piece is transferred to the second heat radiating structure through the first heat radiating structure and then is radiated to the external environment through the second heat radiating structure, so that the radiating and radiating effects of the heat are realized.

In a specific embodiment, a third heat dissipation structure is provided on a side of the housing remote from the receiving cavity.

Through adopting above-mentioned technical scheme, utilize the setting of third heat radiation structure, the heat radiation ability of third heat radiation structure can further strengthen the casing to can directly be with holding the heat in the intracavity and leading out, thereby can promote holistic radiating effect.

In a specific embodiment, the first heat dissipation structure includes a plurality of first heat dissipation fins, the second heat dissipation structure includes a plurality of second heat dissipation fins, and the third heat dissipation structure includes a plurality of third heat dissipation fins, and heat dissipation channels are left between adjacent first heat dissipation fins, between adjacent second heat dissipation fins, and between adjacent third heat dissipation fins.

Through adopting above-mentioned technical scheme, utilize above-mentioned design, can increase radiating surface area effectively, improve radiating efficiency to through the setting of heat dissipation channel, help the transmission and the giving off of heat, such structural design further promotes heat dispersion, guarantees to wait that the radiating member can keep in suitable temperature range at the during operation.

In a specific embodiment, the thickness of the first heat sink and the thickness of the second heat sink gradually decrease from a side closer to the heat sink to a side farther from the heat sink, and the thickness of the third heat sink gradually decreases from a side closer to the accommodating chamber to a side farther from the accommodating chamber.

Through adopting above-mentioned technical scheme, through making the thickness of first fin, second fin, third fin from being close to one side of heating panel to the one side of keeping away from the heating panel reduce gradually, can help the sample piece to drop from the mould more easily, the thickness reduces gradually can reduce the adhesion between mould and the sample piece for the sample piece separates out more easily when the drawing of patterns, thereby reduces damage and rejection rate in the production process.

In a specific embodiment, the housing and/or the heat-dissipating plate and/or the first heat-dissipating structure and/or the second heat-dissipating structure and/or the third heat-dissipating structure are integrally formed.

Through adopting above-mentioned technical scheme, utilize integrated into one piece's design, can make the contact between heating panel, casing, the heat radiation structure inseparabler, be favorable to thermal quick transfer and giving off, improve radiating efficiency.

In a specific embodiment, the housing and/or the heat dissipation plate is provided with mounting holes.

Through adopting above-mentioned technical scheme, utilize the design of mounting hole, can satisfy the demand of casing installation, the simple installation is swift, promotes packaging efficiency to can also make things convenient for subsequent maintenance and maintenance work, if need change or adjust the part, can operate fast through the mounting hole.

In a specific embodiment, the shell and the heat dissipation plate are provided with a sealing groove, the sealing groove is arranged along the circumference of the shell and the heat dissipation plate, and a sealing ring is arranged in the sealing groove.

Through adopting above-mentioned technical scheme, utilize the setting of seal groove and sealing washer, after the casing installation, the sealing washer can effectively prevent outside liquid, dust or other impurity invasion treat the radiating member inside to the protection is treated the radiating member and is prevented the damage.

The inverter comprises the shell, wherein the inverter comprises a box body and components arranged in the box body, the shell is arranged on the box body, the components are arranged in the accommodating cavity of the shell, the first heat dissipation structure of the heat dissipation plate penetrates through the box body and stretches into the box body, the second heat dissipation structure is positioned outside the box body, and heat generated in the inverter is transferred to the second heat dissipation structure through the first heat dissipation structure and is dissipated through the second heat dissipation structure.

Through the technical scheme, when the inverter works, heat generated in the inverter is transmitted from inside to outside through the first heat dissipation structure on the shell heat dissipation plate and enters the second heat dissipation structure, the heat is dissipated outside the shell through the second heat dissipation structure, heat dissipation is assisted by using atmosphere or other cooling equipment to keep the temperature in the inverter within a safe range, in the process, the shell is integrated with the heat dissipation sheets penetrating through the inner side and the outer side of the inverter cavity, and no additional heat dissipation devices penetrating through the cavity are needed, so that the inverter does not increase the number of devices, and the heat dissipation capacity in the cavity is enhanced only through the improvement of the shell of the existing devices, so that the inverter has small occupied space and low cost and is suitable for most high-power inverters.

In a specific embodiment, the heat dissipation device further comprises a fan, and the fan directs the airflow to the first heat dissipation structure, the second heat dissipation structure, and the third heat dissipation structure.

Through adopting above-mentioned technical scheme, utilize the design that the dc-to-ac converter itself had the fan, the wind that the fan blown out can accelerate the conduction of heat between first heat radiation structure, second heat radiation structure and third heat radiation structure, takes out the box outside with the heat fast for the heat can discharge the dc-to-ac converter more fast, improves radiating efficiency, effectively reduces the inside temperature of dc-to-ac converter.

In a specific embodiment, the sealing ring in the sealing groove abuts against the outer wall of the box body.

Through adopting above-mentioned technical scheme, the casing is installed on the box of dc-to-ac converter, and the sealing washer of casing can conflict on the box outer wall, ensures that the dc-to-ac converter can prevent outside moisture, dust or other impurity effectively at the during operation and enter into inside the dc-to-ac converter to inside electronic components and the circuit of protection dc-to-ac converter, through good seal design, can improve the durability of dc-to-ac converter and reduce the maintenance demand, also help guaranteeing its performance and safe operation simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The shell can meet the heat dissipation requirement of the part to be dissipated without adding a radiator or other heat dissipation devices, can achieve the effect of saving the manufacturing cost and layout space, and can be suitable for various electronic devices or components needing heat dissipation;

2. According to the inverter disclosed by the application, the shell is integrated to penetrate through the design of the first radiating structure and the second radiating structure on the inner side and the outer side of the cavity of the inverter, the heat dissipation from inside to outside can be realized by utilizing the shell used by the inductor in the inverter, and an additional radiator penetrating through the cavity is not needed, so that the quantity of devices is not increased, the heat dissipation capacity in the cavity is enhanced only by improving the shell of the existing devices, the occupied space is small, the cost is low, and the inverter is suitable for most high-power inverters.

Drawings

Fig. 1 is a schematic structural view of a housing according to an embodiment of the present application.

Fig. 2 is a schematic diagram showing a positional relationship among the first heat dissipation structure, the second heat dissipation structure, and the third heat dissipation structure.

FIG. 3 is a schematic diagram showing the structure of the seal groove and the mounting hole.

Fig. 4 is a schematic diagram of a structure of a case of an inverter in an embodiment of the present application.

Fig. 5 is a schematic view for showing the installation of the housing on the inverter case.

The reference numerals comprise 1, a shell, 11, a containing cavity, 12, a boss, 13, an arc-shaped surface, 2, a radiating plate, 3, a first radiating structure, 31, a first radiating fin, 4, a second radiating structure, 41, a second radiating fin, 5, a third radiating structure, 51, a third radiating fin, 6, a radiating channel, 7, a mounting hole, 8, a box body, 81, a mounting hole, 9 and a sealing groove.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

Example 1

Referring to fig. 1 and 2, an embodiment of the present application discloses a housing for dissipating heat of a member to be dissipated, in this embodiment, a housing 1 is an improved housing having a housing structure of the member to be dissipated, the member to be dissipated includes but is not limited to an electronic device and an electronic component, the housing 1 is provided with a receiving cavity 11, in this embodiment, an inner wall of the housing 1 extends toward the receiving cavity 11 to form a boss 12, the boss 12 has two arcuate surfaces 13, and the boss 12 and the two arcuate surfaces 13 are used together to attach the member to be dissipated and prevent deviation thereof;

at least one side of the shell 1 is provided with a heat dissipation plate 2, in this embodiment, one side of the shell 1 is provided with the heat dissipation plate 2, the heat dissipation plate 2 is provided with a first heat dissipation structure 3 and a second heat dissipation structure 4, the first heat dissipation structure 3 and the second heat dissipation structure 4 are arranged on two sides of the heat dissipation plate 2, and heat generated by a heat dissipation piece is transferred to the second heat dissipation structure 4 through the first heat dissipation structure 3 to be dissipated;

When the heat dissipation device works, heat generated by a part to be dissipated is transferred to the second heat dissipation structure 4 through the first heat dissipation structure 3 and then is dissipated to the external environment through the second heat dissipation structure 4, so that the heat dissipation and heat dissipation effects are realized, the shell 1 can meet the heat dissipation requirements of the part to be dissipated, a radiator or other heat dissipation devices are not required to be additionally arranged, the effects of saving the manufacturing cost and the layout space can be achieved, and the heat dissipation device can be suitable for use of various electronic equipment or components needing heat dissipation.

The third heat dissipation structure 5 is arranged on one side of the shell 1 far away from the accommodating cavity 11, the third heat dissipation structure 5 and the second heat dissipation structure 4 are positioned on the same side, and the third heat dissipation structure 5 can further enhance the heat dissipation capacity of the shell 1 and can directly conduct out the heat in the accommodating cavity 11, so that the overall heat dissipation effect can be improved.

Referring to fig. 2 and 3, the housing 1 and/or the heat dissipating plate 2 and/or the first heat dissipating structure 3 and/or the second heat dissipating structure 4 and/or the third heat dissipating structure 5 are integrally formed, and in this embodiment, the housing 1, the heat dissipating plate 2, the first heat dissipating structure 3, the second heat dissipating structure 4 and the third heat dissipating structure 5 are integrally formed by, but not limited to, a die casting process, and in this embodiment, a punching column of a columnar or column-hole structure is left on the first heat dissipating structure 3 and/or the second heat dissipating structure 4 and/or the third heat dissipating structure 5, and the punching column can facilitate demolding and positioning of a die casting of the entire housing 1;

The die casting process manufacturing can ensure the surface flatness, shape accuracy and uniformity of the internal structure of the heat radiating plate 2 and the heat radiating structure, is favorable for heat conduction and dissipation, thereby improving the heat radiating effect, and the integrated forming design can enable the contact among the heat radiating plate 2, the shell 1 and the heat radiating structure to be more compact, is favorable for heat rapid transfer and dissipation, and improves the heat radiating efficiency.

Referring to fig. 2 and 3, the first heat dissipation structure 3 includes a plurality of first heat dissipation fins 31, in this embodiment, the plurality of first heat dissipation fins 31 include, but are not limited to, being uniformly distributed along the width direction of the heat dissipation plate 2, the second heat dissipation structure 4 includes a plurality of second heat dissipation fins 41, in this embodiment, the plurality of second heat dissipation fins 41 include, but are not limited to, being uniformly distributed along the length direction of the heat dissipation plate 2, the third heat dissipation structure 5 includes a plurality of third heat dissipation fins 51, in this embodiment, the plurality of third heat dissipation fins 51 include, but are not limited to, being uniformly distributed along the width direction of the housing 1, and heat dissipation channels 6 are left between adjacent first heat dissipation fins 31, between adjacent second heat dissipation fins 41, between adjacent third heat dissipation fins 51;

By means of the design mode that the radiating fins are uniformly distributed and the radiating channels 6 are reserved, radiating surface area can be effectively increased, heat conduction and dissipation are facilitated, overall radiating efficiency is improved, radiating performance is further improved through the structural design, and the fact that a piece to be radiated can be kept in a proper temperature range during working is guaranteed.

Referring to fig. 2 and 3, the thickness of the first heat sink 31 and the thickness of the second heat sink 41 gradually decrease from the side closer to the heat sink 2 to the side farther from the heat sink 2, and the thickness of the third heat sink 51 gradually decreases from the side closer to the accommodating chamber 11 to the side farther from the accommodating chamber 11;

In this embodiment, the housing 1, the heat dissipation plate 2, the first heat dissipation structure 3, the second heat dissipation structure 4 and the third heat dissipation structure 5 are integrally formed by a die casting process, and at this time, the thickness of the first heat dissipation plate 31, the second heat dissipation plate 41 and the third heat dissipation plate 51 is gradually reduced from the side close to the heat dissipation plate 2 to the side far from the heat dissipation plate 2, so that the sample piece can be helped to be detached from the die more easily, the adhesion between the die and the sample piece can be reduced by gradually reducing the thickness, and the sample piece can be separated more easily during the die stripping, thereby reducing the damage and the rejection rate in the production process.

Referring to fig. 2 and 3, in the present embodiment, the arrangement direction of the first heat sink 31 and the second heat sink 41 includes, but is not limited to, the arrangement direction of the first heat sink 31 and the arrangement direction of the second heat sink 41 are different, in the present embodiment, the second heat sink 41 includes, but is not limited to, the arrangement along the length direction of the heat sink 2, the first heat sink 31 includes, but is not limited to, the inclined arrangement, and the angle ranges of the first heat sink 31 and the second heat sink 41 need to be adjusted and optimized according to specific design requirements and practical situations, and in the present embodiment, the arrangement between the first heat sink 31 and the second heat sink 41 includes, but is not limited to, 15-45 degrees;

Through the different designs of the setting direction of the first radiating fin 31 and the setting direction of the second radiating fin 41, the setting directions of the radiating fins positioned at two sides of the radiating plate 2 are different, the surface area of the whole structure of the radiating plate 2 can be increased, the air flow is improved, the hot spot concentration is reduced in the heat transfer process, the uniformity of heat transfer is improved, the local overheating is avoided, the whole radiating efficiency is improved, and the temperature is effectively reduced.

Referring to fig. 2 and 3, in the present embodiment, the arrangement direction of the second heat sink 41 and the third heat sink 51 includes, but is not limited to, the arrangement direction of the second heat sink 41 and the arrangement direction of the third heat sink 51 are the same, in the present embodiment, the arrangement direction of the third heat sink 51 includes, but is not limited to, the arrangement direction of the third heat sink 51 is parallel to the arrangement direction of the second heat sink 41, and by the design that the arrangement direction of the second heat sink 41 and the arrangement direction of the third heat sink 51 are the same, the arrangement direction of the heat sinks located on the same side of the housing 1 and the heat sink 2 is the same, the synergistic effect between the heat dissipation structures on the housing 1 and the heat sink 2 is enhanced, the overall heat dissipation process is more uniform and stable, and the overall heat dissipation efficiency is improved.

Referring to fig. 3, the housing 1 and/or the heat dissipation plate 2 are provided with mounting holes 7, in this embodiment, the housing 1 and the heat dissipation plate 2 are provided with the mounting holes 7, and the design of the mounting holes 7 can meet the requirement of mounting the housing 1, so that the mounting is simple and quick, the assembly efficiency is improved, the subsequent repair and maintenance work can be facilitated, and if the components need to be replaced or adjusted, the operation can be performed quickly through the mounting holes 7.

Referring to fig. 3, the casing 1 and the heat dissipation plate 2 are provided with a sealing groove 9, the sealing groove 9 is arranged along the circumferential directions of the casing 1 and the heat dissipation plate 2, a sealing ring is arranged in the sealing groove 9, the sealing performance of the casing 1 after being installed can be improved, and external liquid, dust or other impurities can be effectively prevented from invading the inside of the part to be dissipated by the sealing ring, so that the part to be dissipated is protected from being damaged.

The first embodiment has the implementation principle that the shell 1 can meet the heat radiation requirement of a part to be radiated without adding a radiator or other heat radiation equipment, can achieve the effects of saving the manufacturing cost and the layout space, and can be suitable for various electronic equipment or components needing heat radiation;

Before working, the shell 1 is arranged on a piece to be radiated through the mounting hole 7, when working, heat generated by the piece to be radiated is transferred to the second radiating structure 4 through the first radiating structure 3, then is radiated to the external environment through the second radiating structure 4, and heat in the accommodating cavity 11 of the shell 1 is radiated to the external environment directly through the third radiating structure 5, so that the rapid radiation and rapid radiation effect of the heat are realized.

Example two

Referring to fig. 4 and 5, the present embodiment provides an inverter, which is applied to the housing 1 (the specific structure of the housing 1 is shown in fig. 1-3), and the inverter includes a case 8 and components disposed in the case 8, and in the present embodiment, the components in the inverter include, but are not limited to, components (not shown in the drawings) such as an inductor, a capacitor, a diode, a resistor, and an integrated circuit;

The shell 1 is arranged on the box body 8, in the embodiment, a mounting opening 81 corresponding to the shell 1 is arranged on the box body 8, the shell 1 and the heat dissipation plate 2 are positioned on the outer side of the box body 8 and are plugged on the mounting opening 81, the mounting opening 81 is communicated with the accommodating cavity 11, components are arranged in the accommodating cavity 11 of the shell 1, in the embodiment, the shell 1 is provided with a power supply sensor for placing and mounting, and an inductor is accommodated in the accommodating cavity 11 of the shell 1 and is in abutting fit with the boss 12 and the arc-shaped surface 13;

The first heat radiation structure 3 on the heat radiation plate 2 of the shell 1 passes through the mounting opening 81 of the box body 8 and stretches into the box body 8, the second heat radiation structure 4 on the heat radiation plate 2 is positioned outside the box body 8, the third heat radiation structure 5 is positioned outside the box body 8 and is arranged on the same side as the second heat radiation structure 4, the heat radiation plate 2 is abutted against the outer wall of the box body 8, the shell 1 and the heat radiation plate 2 are fixed on the box body 8 through the mounting hole 7, and the sealing ring in the sealing groove 9 on the shell 1 and the heat radiation plate 2 is abutted against the outer wall of the box body 8, so that the sealing between the shell 1 and the box body 8 is realized;

The heat generated in the inverter is transferred to the second heat dissipation structure 4 through the first heat dissipation structure 3 and is dissipated through the second heat dissipation structure 4, and the heat generated by the inductor in the accommodating cavity 11 of the shell 1 can be directly dissipated through the third heat dissipation structure 5;

during operation, heat generated by each component in the inverter directly dissipates through the shell 1 containing the inductor, specifically, the heat is conducted from inside to outside through the first heat dissipation structure 3 on the heat dissipation plate 2 of the shell 1 and enters the second heat dissipation structure 4, the heat is dissipated outside the shell 1 through the second heat dissipation structure 4, the heat dissipation is assisted by using air or other cooling equipment to dissipate heat so as to keep the temperature in the inverter within a safe range, in the process, the shell 1 integrates the first heat dissipation structure 3 and the second heat dissipation structure 4 penetrating through the inner side and the outer side of a cavity of the inverter, the heat dissipation from inside to outside can be realized by using the shell 1 used by the inductor in the inverter, and an additional heat radiator penetrating through the cavity is not needed, so that the application does not increase the number of components, only improves the shell of the existing devices, the heat dissipation capacity in the cavity is enhanced, the occupied space is small, and the inverter is suitable for most high-power inverters.

The inverter further comprises a fan (not shown in the figure), wherein the fan is arranged on the box body 8, in the embodiment, the fans are arranged inside and outside the box body 8, the fan positioned outside the box body 8 is arranged at the bottom of the shell 1 and guides the air flow to blow to the heat dissipation channels 6 of the second heat dissipation structure 4 and the third heat dissipation structure 5, the fan positioned inside the box body 8 is arranged at the bottom of the shell 1 and guides the air flow to blow to the heat dissipation channels 6 of the first heat dissipation structure 3;

the inverter is provided with the fan, the wind blown by the fan can accelerate the conduction of heat among the first heat dissipation structure 3, the second heat dissipation structure 4 and the third heat dissipation structure 5, and the heat is quickly brought out of the box body 8, so that the heat can be more quickly discharged out of the inverter, the heat dissipation efficiency is improved, and the internal temperature of the inverter is effectively reduced.

The inverter of the application adopts the shell 1 of the first embodiment, the shell 1 is a shell structure of an inductance component of the inverter, and a heat dissipation mode from inside to outside penetrating the inverter is realized by additionally arranging a heat dissipation plate 2 and a heat dissipation structure on the shell 1;

Before the operation, the shell 1 is placed on the mounting opening 81 of the inverter box body 8, so that the first heat dissipation structure 3 passes through the mounting opening 81 to enter the box body 8, the shell 1 and the heat dissipation plate 2 block the mounting opening 81 and are abutted against the outer wall of the box body 8, the shell 1 and the heat dissipation plate 2 are fixed on the box body 8 through the mounting hole 7, at the moment, the sealing ring on the shell 1 is abutted against the sealing groove 9 and is abutted against the outer wall of the box body 8;

In the process, the shell 1 integrates the first radiating structure 3 and the second radiating structure 4 penetrating through the inner side and the outer side of the cavity of the inverter, the heat dissipation from inside to outside can be realized by utilizing the shell 1 used by the inductor in the inverter, and an additional radiator penetrating through the cavity is not needed, so that the quantity of devices is not increased, the heat dissipation capacity in the cavity is enhanced only by improving the shell of the existing devices, the occupied space is small, the cost is low, and the method is suitable for most high-power inverters.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (10)

1. A shell is used for radiating a piece to be radiated and is characterized in that the shell is provided with a containing cavity, at least one side of the shell is provided with a radiating plate, the radiating plate is provided with a first radiating structure and a second radiating structure, the first radiating structure and the second radiating structure are arranged on two sides of the radiating plate, and heat generated by the piece to be radiated is transmitted to the second radiating structure through the first radiating structure to be radiated.

2. The housing of claim 1, wherein a third heat dissipating structure is provided on a side of the housing remote from the receiving cavity.

3. The housing of claim 2, wherein the first heat dissipating structure comprises a plurality of first heat dissipating fins, the second heat dissipating structure comprises a plurality of second heat dissipating fins, and the third heat dissipating structure comprises a plurality of third heat dissipating fins, and heat dissipating channels are left between adjacent first heat dissipating fins, between adjacent second heat dissipating fins, and between adjacent third heat dissipating fins.

4. The housing of claim 3, wherein the thickness of the first heat sink and the thickness of the second heat sink decrease gradually from a side closer to the heat sink to a side farther from the heat sink, and the thickness of the third heat sink decreases gradually from a side closer to the accommodating chamber to a side farther from the accommodating chamber.

5. The housing according to claim 2, wherein the housing and/or the heat sink and/or the first heat sink and/or the second heat sink and/or the third heat sink are/is integrally formed.

6. The housing according to claim 1, wherein the housing and/or the heat dissipation plate is provided with mounting holes.

7. The housing of claim 1, wherein the housing and the heat sink are provided with a seal groove, the seal groove is circumferentially arranged along the housing and the heat sink, and a seal ring is arranged in the seal groove.

8. An inverter comprising the casing according to any one of claims 1 to 7, wherein the inverter comprises a casing and components arranged in the casing, the casing is arranged on the casing, the components are arranged in the accommodating cavity of the casing, the first heat dissipation structure of the heat dissipation plate penetrates through the casing and stretches into the casing, the second heat dissipation structure is arranged outside the casing, and heat generated in the inverter is transferred to the second heat dissipation structure through the first heat dissipation structure and is dissipated through the second heat dissipation structure.

9. The inverter of claim 8, further comprising a fan that directs an airflow toward the first heat dissipating structure, the second heat dissipating structure, and the third heat dissipating structure.

10. The inverter of claim 8, wherein the seal ring in the seal groove abuts against the outer wall of the case.