CN214304370U - Control box and compressor - Google Patents

Abstract

The utility model discloses a control box, including the box body and with box body complex lid, be equipped with heating element in the box body, its characterized in that is still including setting up the radiating piece in the box body outside, the box body has with the corresponding position of inside heating element and link up the heat conductor that sets up inside and outside the box body, the radiating piece with heat conductor lateral surface laminating heat conduction contact. In this control box, with the heat dissipation piece setting in the box body outside, the refrigerant is conveniently introduced in the box body outside, and avoids the refrigerant to get into the box body simultaneously and influence the internal control ware function, has guaranteed radiating reliability. And the heat conductor for efficiently transferring heat between the heat dissipation part and the heating element ensures that the heating element transfers heat to the heat dissipation part in time, thereby fully ensuring the heat dissipation efficiency. In summary, the controller assembly can effectively solve the problem that the heat dissipation manner of the existing controller assembly is unreliable. The utility model also discloses a compressor of including above-mentioned control box.

Description

Control box and compressor

Technical Field

The utility model relates to a mechanical equipment technical field, more specifically say, relate to a control box, still relate to a compressor including above-mentioned control box.

Background

In recent years, with the continuous improvement of the technology of the direct-current variable-frequency rotary compressor, the application field of the direct-current variable-frequency rotary compressor gradually enters the industries of freezing and refrigerating, automobile air conditioning and the like from a household air conditioner and a dehumidifier. At present, a piston compressor for freezing and refrigerating and a scroll compressor for an automobile air conditioning system mostly adopt a controller integrated structure, and the low-pressure state in a shell is favorable for heat dissipation of the controller.

The direct-current variable-frequency rotary compressor in the existing systems such as household air conditioners, dehumidifiers and the like is of a high-back-pressure structure, and a high-pressure high-temperature refrigerant is arranged in a shell. When the controller is applied to a freezing and refrigerating system or an automobile air conditioning system, the controller can be radiated by a low-temperature air suction refrigerant, but the following problems need to be considered; secondly, in a high-back-pressure rotary compressor, when the suction superheat degree is too large, the exhaust temperature in the shell is too high, the performance of the motor is reduced, and the design is reasonable according to the heat dissipation requirement of a controller, so that the superheat degree is optimal; thirdly, under different use conditions, the power and heat dissipation requirements of the compressor controller are different greatly, and in order to meet the optimal suction superheat degree, an electric control box and a cooling part need to be designed respectively for different purposes, so that the part standardization degree is low. Therefore, how to simplify the structure of the controller box of the inverter compressor and the assembly mode of the controller box and the heat dissipation member, and the optimal suction superheat degree under different application conditions is realized by matching different heat dissipation members is a technical problem to be solved.

In summary, how to effectively solve the problem that the heat dissipation manner of the existing controller assembly is unreliable is a problem that needs to be solved urgently by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the first objective of the present invention is to provide a control box, which can effectively solve the problem of unreliable heat dissipation of the present controller assembly, and the second objective of the present invention is to provide a compressor comprising the above control box.

In order to achieve the first object, the present invention provides the following technical solutions:

the utility model provides a control box, including the box body and with box body complex lid, be equipped with heating element in the box body, its characterized in that still includes and sets up the radiating piece in the box body outside, the box body has with the corresponding position of inside heating element and link up the heat conductor that sets up inside and outside the box body, the radiating piece with heat conductor lateral surface laminating heat conduction contact.

In this control box, when using, pack into the controller to the box body inboard, when needs dispel the heat, only need to the radiating piece from the box body outside dispel the heat can, promptly after heating element generates heat, heating element can be with heat transfer to the heat conductor, the heat conductor utilizes self material characteristic, with heat transfer to the other end fast, promptly transmit to the box body outside, because the radiating piece with the laminating of heat conductor lateral surface contacts, so transmit the radiating piece to dispel the heat fast by the radiating piece. In this control box, with the heat dissipation piece setting in the box body outside, the refrigerant is conveniently introduced in the box body outside, and avoids the refrigerant to get into the box body simultaneously and influence the internal control ware function, has guaranteed radiating reliability. And the heat conductor for efficiently transferring heat between the heat dissipation part and the heating element ensures that the heating element transfers heat to the heat dissipation part in time, thereby fully ensuring the heat dissipation efficiency. In summary, the controller assembly can effectively solve the problem that the heat dissipation manner of the existing controller assembly is unreliable.

Preferably, the heat conductor and the box body are integrally formed by injection molding.

Preferably, a sealing gasket is arranged between the heat dissipation piece and the box body, and the heat dissipation piece and the box body are detachably and fixedly connected.

Preferably, the box body and the heat sink are connected through bolts and/or screws extending in the thickness direction of the sealing washer.

Preferably, a plurality of convex connecting feet are arranged on the outer side of the box body, and the heat dissipation piece is connected with each connecting foot through a bolt.

Preferably, the heat conductor is an aluminum plate.

Preferably, the side edge of the heat conductor is provided with a convex rib which is embedded into the box body and extends along the circumferential direction of the side edge.

Preferably, one side of the heat sink, which is far away from the box body, is provided with a heat dissipation fin.

Preferably, a part of the heat sink located at the outer side of the box body is provided with a flow guide hole arranged in a penetrating manner so as to introduce cold coal.

Preferably, the middle part of the bottom of the box body is concave upwards, the side edges of two ends of the box body are provided with wiring holes, and the heat dissipation piece is located in the groove.

In order to achieve the second objective, the utility model also provides a compressor, this compressor include any kind of above-mentioned control box, still include the host computer casing, control box fixed mounting be in the host computer casing outside. Since the above-mentioned control box has the above-mentioned technical effects, the compressor having the control box should also have corresponding technical effects.

Preferably, the control box is fixedly mounted on the outer side of the host machine shell through a bracket, so that the heat dissipation member of the control box is suspended on the outer side of the host machine shell.

Preferably, the support is the U type, the host computer casing is the cartridge type casing, the support base is crooked into the arc in order to laminate the cartridge type casing setting of host computer casing, just the support base with welded connection carries out between the cartridge type casing, the support both ends have the horizontal plate portion of buckling in order respectively with control box body both sides and the radiating piece carries out fixed connection, the both sides of radiating piece all are provided with the support.

Preferably, one side of the heat dissipation member, which is far away from the box body, is provided with a flow guide hole which is arranged in a penetrating manner, an orifice at one end of the flow guide hole is used for being communicated with a refrigerant outlet of the evaporator, and an orifice at the other end of the flow guide hole is used for being communicated with a refrigerant inlet of the compressor main body through a liquid storage device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional structural diagram of a control box provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a control box according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fin-type heat sink according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fin-type heat dissipation control box according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure diagram of a fin-type heat dissipation control box according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a flow guide hole type heat sink according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a flow guide hole type heat dissipation control box according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional structure view of a heat dissipation control box with a flow guide hole according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a compressor according to an embodiment of the present invention.

The drawings are numbered as follows:

the main machine shell comprises a main machine shell 1, a support 2, a box body 3, a sealing ring 4, a box fixing screw 5, a box cover 6, a second wiring hole 7, a groove 8, a connecting pin 9, a first wiring hole 10, a connecting hole 11, a connecting plate body 12, a radiating fin 13, a flow guide hole 14, a heating element 15, heat-conducting silicone grease 16, a box connecting screw 17, a sealing washer 18, a heat conductor 19, a controller 20, a radiating piece 21 and a convex rib 22.

Detailed Description

The embodiment of the utility model discloses control box to solve the insecure problem of present controller subassembly radiating mode effectively.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 9, fig. 1 is a schematic cross-sectional structure diagram of a control box according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a control box according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a fin-type heat sink according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a fin-type heat dissipation control box according to an embodiment of the present invention; fig. 5 is a schematic cross-sectional structure diagram of a fin-type heat dissipation control box according to an embodiment of the present invention; fig. 6 is a schematic structural view of a flow guide hole type heat sink according to an embodiment of the present invention; fig. 7 is a schematic structural view of a flow guide hole type heat dissipation control box according to an embodiment of the present invention; fig. 8 is a schematic cross-sectional structure view of a heat dissipation control box with a flow guide hole according to an embodiment of the present invention; fig. 9 is a schematic structural diagram of a compressor according to an embodiment of the present invention.

In one embodiment, the present embodiment provides a control box, which includes a box body 3, a box cover 6 and a heat conductor 19. In particular, the compressor control box can be used.

The box body 3 forms a box cavity for placing heating elements 15 such as electronic components, and the like, so the size and the shape of the cavity are generally adapted to the corresponding electronic components. The box cover 6 covers the box body 3 and is matched with the box body 3 to seal the box body 3. Through sealing connection between lid 6 and the box body 3 to play the sealed effect to the box body 3 opening, make the box chamber form and seal the cavity, with the inside heating element 15 of abundant protection. In order to ensure the sealing effect, it is preferable that a sealing ring 4 is provided between the box body 3 and the box cover 6 to ensure the sealing connection, and it is preferable that the box body 3 and the box cover 6 are connected by a box fixing screw 5 extending along the thickness direction of the sealing ring 4, and the thickness direction of the sealing ring 4 is mainly the parallel direction between the box body 3 and the box cover 6, that is, the groove depth direction.

The case 3 has a heat conductor 19 penetrating the inside and outside of the case 3 at a position corresponding to the internal heating element 15, so that heat is conducted from the inside to the outside of the case 3 through the heat conductor 19 to dissipate the heat of the internal heating element 15 of the case 3. The heat conductor 19 is preferably made of a material with high thermal conductivity, such as an aluminum heat conducting block, a copper heat conducting block, a silver heat conducting block, and the like. The heat conduction speed of the heat conductor 19 is obviously increased compared with the heat conduction speed of the material of the box body 3, so that the heat dissipation effect is effectively ensured. The box body 3 and the box cover 6 are preferably made of low-cost and light-weight ABS engineering plastics (engineering plastic alloy).

The control box also comprises a heat dissipation member 21 arranged outside the box body 3, wherein the heat dissipation member 21 is in contact with the outer side surface of the heat conductor 19, so that heat is rapidly conducted between the heat dissipation member 21 and the heat conductor 19. Further, in order to improve the heat dissipation effect, a heat conductive silicone grease 16 may be provided between the heat sink 21 and the heat conductor 19, and when a controller is provided, the heat conductive silicone grease 16 may be provided between the heat generating element 15 of the controller and the heat conductor 19.

In the control box, when in application, the controller 20 is installed inside the box body 3, when heat dissipation is needed, the heat dissipation member 21 only needs to be dissipated from the outside of the box body 3, namely, after the heating element 15 generates heat, the heating element 15 transfers the heat to the heat conductor 19, the heat conductor 19 quickly transfers the heat to the other end, namely, the outside of the box body 3 by utilizing the material characteristics of the heat conductor 19, and the heat dissipation member 21 is transferred to the heat dissipation member 21 because the heat dissipation member 21 is in contact with the outer side surface of the heat conductor 19, so that the heat dissipation member 21 can dissipate heat quickly. In this control box, when utilizing the refrigerant to assist the heat dissipation, set up heat dissipation spare 21 in the box body 3 outside, the refrigerant is conveniently introduced in the box body 3 outside, and avoids the refrigerant to get into in the box body 3 and influence the function of internal control ware 20 simultaneously, has guaranteed radiating reliability. The heat conductor 19 for efficiently transferring heat between the heat dissipation member 21 and the heating element 15 ensures that the heating element 15 transfers heat to the heat dissipation member 21 in time, thereby fully ensuring the heat dissipation efficiency. In conclusion, the control box can effectively solve the problem that the heat dissipation mode of the existing controller component is unreliable.

Wherein the heat conductor 19 can welded connection with box body 3, for the convenience of shaping, the integrative injection moulding of heat conductor 19 and box body 3 is preferred here to fully guarantee the sealed effect between heat conductor 19 and the box body 3. Wherein integrative injection moulding, before box body 3 injection moulding promptly, place the heat conductor 19 that corresponds in the 3 injection moulding chambeies of box body, then carry out 3 injection moulding of box body, after the shaping, the inside and outside both sides side of heat conductor 19 should all expose in 3 inside and outside both sides of box body, so that in 3 inboards of box body, the medial surface of heat conductor 19 can with inside heating element 15 in close contact with, in order to guarantee heat conduction efficiency, and in 3 outsides of box body, can be to adopt radiator and the contact of heat conductor 19 with abundant heat dissipation.

Wherein heat conductor 19 can be the setting in the side box wall of box body 3, for the installation of convenience, generally set up heat conductor 19 in the bottom of the box of box body 3 department, and heat conductor 19 is preferred to be platelike, if can adopt aluminum plate, the thick direction of board is unanimous with box wall thickness direction promptly to fully guarantee area of contact, in order to guarantee the heat conduction effect.

In this control box, through the integrated into one piece's of moulding plastics heat conductor 19, keep apart inside and outside effectively, guaranteed the inside sealed effect of box body 3 effectively, can also prevent that external environment (like water, dirt etc.) from causing the influence to the interior electronic equipment of box, and then avoided inside heating element impaired.

Further, considering that even though injection molding is performed, under the combined action of long-term vibration and high-temperature environment, there is a possibility of generating a gap, therefore, in order to better perform sealing, it is preferable that a sealing gasket 18 disposed around the heat conductor 19 is disposed between the heat sink 21 and the box body 3, and the heat sink 21 and the box body 3 are detachably and fixedly connected, that is, when the heat sink 21 is installed, water, dust, and the like in the external environment can be effectively prevented from entering the box body 3 from the outside of the box body 3 through the gap between the heat conductor 19 and the box body 3 by the sealing between the heat sink 21 and the box body 3.

In order to better ensure the sealing performance of the sealing washer 18, it is preferable that the box body 3 and the heat sink 21 are connected by a bolt or a screw extending along the thickness direction of the sealing washer 18, so that the sealing washer 18 is tightly pressed during the connection process by the bolt or the screw, thereby ensuring the sealing effect.

In order to facilitate the installation between the box body 3 and the heat sink 21, it is preferable that a plurality of protruding connection pins 9 are disposed on the outer side of the box body 3, and four corners of the heat sink 21 are respectively connected with the connection pins 9 by bolts. Specifically, the lateral outer sides of the two sides of the box body 3 are provided with two connecting feet 9 which are arranged in a protruding mode, the connecting feet 9 can be in a rectangular plate shape, and bolt through holes are formed in the middle of the connecting feet. And one side of the heat dissipation member 21 close to the box body 3 is provided with a corresponding connection part, so that in order to avoid excessive corners, it is preferable that one side surface of the heat dissipation member 21 close to the box body 3 is completely attached to the box body 3, and is preferably aligned on two sides in the transverse direction, and the parts corresponding to the connection pins 9 are also preferably aligned.

Further, in order to better embed the heat conductor 19 into the box body 3, it is preferable that the side edge of the heat conductor 19 is provided with a rib 22 embedded into the box body 3 and extending along the circumferential direction of the side edge. Through protruding muscle 22 embedding box body 3 in, the connection holding power between assurance between the two that can be better, moreover through the laminating of zigzag face, assurance leakproofness that can be better.

In other embodiments, the heat dissipation member 21 may be cooled rapidly by natural heat dissipation or air cooling, such as air cooling, and in order to ensure the air cooling efficiency, it is preferable that the heat dissipation fin 13 is disposed on a side of the heat dissipation member 21 away from the box body 3. The particular heat sink 21 comprises a connecting plate body 12 which is connected to the connecting feet 9 against the above-mentioned sealing gasket 18 and heat dissipating fins 13 which are arranged in an array on the connecting plate body 12. The cooling can be rapidly performed through the heat dissipation fins 13, and a fan for accelerating the flow of the air can be disposed at the heat dissipation fins 13 to provide the heat dissipation efficiency. Wherein the heat sink 21 may be an aluminum piece.

When the heat dissipating member 21 is cooled down rapidly mainly by a refrigerant outside the box body 3, the heat dissipating member 21 may be cooled down by introducing a refrigerant liquid, and based on this, it is preferable that a flow guide hole 14 penetrating the heat dissipating member 21 is formed in a side away from the box body 3 to introduce the refrigerant. In order to reduce the flow resistance, it is preferred here that the flow guide holes 14 extend straight, e.g. in the transverse direction of the box 3, to both sides. Wherein the guiding hole 14 can be connected to the cooling liquid system, and when the control box is applied to the compressor, the control box can be connected to the air conditioning system of the compressor to introduce the low-temperature liquid in front of the inlet of the compressor.

Specifically, the heat sink 21 may include a connecting plate 12 contacting the sealing gasket 18, the connecting holes 11 at four corners of the connecting plate 12 are bolted to the connecting pins 9 on the box body 3, and a rectangular block is disposed on one side of the connecting plate 12 away from the box body 3, and a through flow guiding hole 14 is disposed in the rectangular block. Of course, if the heat dissipation area is relatively large, that is, the extension area of the heat conductor 19 is relatively large, a plurality of flow guiding holes 14, for example, two flow guiding holes 14 may be arranged in parallel along the extension direction of the connecting plate 12, that is, the extension direction of the heat conductor 19.

Based on the control box that provides in the above-mentioned embodiment, the utility model also provides a compressor, this compressor include arbitrary control box in the above-mentioned embodiment, still include host computer casing 1, control box fixed mounting be in the 1 outside of host computer casing. Because the compressor adopts the control box in the above embodiment, please refer to the above embodiment for the beneficial effect of the compressor.

The main body casing 1 of the compressor may be a casing including a cylinder type casing and upper and lower casings disposed at both ends of the cylinder type casing. Wherein the controller 20 module is mainly mounted on the cartridge type housing, and in practical application, the cartridge type housing is a high temperature housing, and in order to avoid affecting the heat dissipation of the heat dissipation member 21, it is preferable that the controller 20 module is fixedly mounted on the outside of the host machine case 1 through the bracket 2, so that the heat dissipation member 21 of the controller 20 module is suspended on the outside of the host machine case 1. The bracket 2 can be welded and fixed with the host machine shell 1, the bracket 2 is connected with the controller 20 component through screws or bolts, specifically, the bracket 2, the heat dissipation member 21 and the connecting pins 9 on the box body 3 can be connected through the box connecting screws 17, and the specific bracket 2 can be in a U shape, namely, the bracket 2 comprises a bottom edge and two side edges which are respectively arranged at two ends of the bottom edge to form the U shape together with the bottom edge. The bottom edge of the support 2 is bent into an arc shape to be attached to the cylindrical shell for welding connection, the upper ends of the side edges of the two sides of the support 13 are provided with bent transverse plate parts for respectively performing bolt connection with the connecting pins 9 on the two sides of the box body 3, correspondingly, the two sides of the heat radiating piece 21 are respectively provided with the support 2 for corresponding four connecting pins 9 for connection.

In order to obtain the refrigerant conveniently, that is, when the heat sink 21 is provided with a flow guide hole 14 penetrating through one side of the box body 3, preferably, an orifice at one end of the flow guide hole 14 is a refrigerant suction port communicated with a refrigerant outlet of an evaporator of an air conditioning system, and an orifice at the other end is communicated with a refrigerant inlet of the compressor main body and is communicated with the compressor main body through a first suction pipe, a liquid reservoir and a second suction pipe which are sequentially communicated, so as to enter the compressor main body. And an exhaust pipe is also arranged on the cylindrical shell of the compressor, the exhaust pipe is connected with one end of an exhaust joint, and the other end of the exhaust joint is connected to a condenser of an air conditioning system.

Further, in order to make the internal structure more compact, it is preferable that the bottom of the case 3, i.e., the side close to the host casing 1 when installed, is recessed at the middle to form a recess 8, and the heat sink 21 is located in the recess 8. The two ends of the groove 8 are preferably arranged in an open mode, the two ends of the bottom of the groove 8 are provided with the connecting pins 9, and the two sides of the groove 8 of the box body 3 are provided with wiring holes to introduce power supply lines to supply power to the controller 20 in the controller 20 assembly. I.e. both sides are provided with a first wiring hole 10 and a second wiring hole 7, respectively, correspondingly, wherein the output of the controller 20 can be directly connected with the wiring terminal on the upper shell through the compressor power line, so as to directly supply power to the compressor. The convex setting in 3 middle parts of box body can place the controller, and both sides then form the bellying to the protruding setting of host computer casing 1 to make things convenient for placing of bulky components and parts and storing of other wiring terminals such as power cord in the controller, and then make the structure more compact. It should be noted that the groove 8 may be disposed in the middle, or may be disposed at one end, so that the wiring hole is disposed only on one side of the groove 8. In order to ensure uniform heat dissipation, and considering that the heating element 15 is generally located at the center of the controller 20, it is preferable that the center lines of the heat dissipation member 21 and the guide holes 14 are aligned with the center line of the controller 20. Of course, the heating element 11 is not necessarily located in the middle of the controller 10, but may be located on both sides, and specifically, may be arranged as needed.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (14)

1. The utility model provides a control box, including the box body and with box body complex lid, be equipped with heating element in the box body, its characterized in that still includes and sets up the radiating piece in the box body outside, the position corresponding with heating element on the box body has and link up the heat conductor that sets up inside and outside the box body, the radiating piece with heat conductor lateral surface laminating heat conduction contact.

2. The control box of claim 1, wherein the heat conductor is injection molded integrally with the box body.

3. The control box of claim 1, wherein a sealing gasket is arranged between the heat dissipation member and the box body, and the heat dissipation member and the box body are detachably and fixedly connected.

4. A control box according to claim 3, wherein the box body and the heat sink are connected by bolts and/or screws extending in the thickness direction of the sealing gasket.

5. The control box according to claim 3, wherein a plurality of convex connection legs are provided on an outer side of the box body, and the heat sink is bolted to each of the connection legs.

6. The control box according to any one of claims 1 to 5, wherein the heat conductor is an aluminum plate.

7. A control box according to any one of claims 1-5, characterized in that the sides of the heat conductor are provided with ribs embedded in the box body and extending circumferentially along the sides.

8. The control box according to any one of claims 1 to 5, wherein a side of the heat radiating member remote from the box body has a heat radiating fin.

9. The control box according to any one of claims 1 to 5, wherein a portion of the heat sink located outside the box body is provided with a flow guide hole through which a refrigerant flows.

10. The control box according to any one of claims 1 to 5, wherein the bottom middle portion of the box body is concavely provided to form a groove, and the side surface of the box body is provided with a wiring hole, and the heat sink is located in the groove.

11. A compressor comprising a main machine housing, further comprising a control box according to any one of claims 1 to 10, said control box being fixedly mounted outside said main machine housing.

12. The compressor of claim 11, wherein the control box is fixedly mounted outside the main machine housing by a bracket such that the heat sink of the control box is suspended outside the main machine housing.

13. The compressor of claim 12, wherein the bracket is U-shaped, the main housing is a cylindrical housing, the bottom edge of the bracket is curved to fit the cylindrical housing of the main housing, and the bottom edge of the bracket is welded to the cylindrical housing, the two ends of the bracket have bent cross-plates to be respectively fixedly connected to the two sides of the control box body and the heat sink, and the two sides of the heat sink are provided with the bracket.

14. The compressor as claimed in claim 12, wherein a flow guide hole is formed through a side of the heat sink away from the casing, and an opening of one end of the flow guide hole is used for communicating with a refrigerant outlet of the evaporator, and an opening of the other end of the flow guide hole is used for communicating with a refrigerant inlet of the compressor main body via the liquid reservoir.

Images