CN215002159U - Radiator, electrical box subassembly and air conditioner - Google Patents

Abstract

The utility model provides a radiator, electrical apparatus box subassembly and air conditioner relates to heat dissipation technical field, in having solved current copper tubular radiator, the refrigerant with treat that heat transfer area is little between the radiating piece, technical problem that heat exchange efficiency is low. The radiator comprises a body used for being in contact with a heat dissipation piece to be cooled, a refrigerant inlet and a refrigerant outlet are formed in the body, refrigerant flow channels are constructed in the body, the number of the refrigerant flow channels is one or more than two, inlets of all the refrigerant flow channels are communicated with the refrigerant inlet, and outlets of all the refrigerant flow channels are communicated with the refrigerant outlet. The radiator of the utility model directly constructs the coolant flow channel on the radiator body, no gap exists between the coolant flow channel and the body, no heat transfer gap exists, and the heat exchange area is increased; when the number of the refrigerant flow channels is more than two, the heat exchange area between the refrigerant in the refrigerant flow channels and the heat dissipation piece to be dissipated and the heat exchange efficiency can be improved under the same-size body and the refrigerant with the same flow rate.

Description

Radiator, electrical box subassembly and air conditioner

Technical Field

The utility model belongs to the technical field of the heat dissipation technique and specifically relates to a radiator, electrical box subassembly and air conditioner are related to.

Background

Along with the development of the air conditioner, the volume of the air conditioner is smaller and smaller, the power is larger and larger, and the power components of the electric appliance box generate heat seriously, so that the temperature rise of the electric appliance box is higher and higher, and the service life of the electric appliance components is directly influenced.

At present, the air conditioning industry generally adopts a refrigerant heat dissipation technology, as shown in fig. 1, fig. 1 is a schematic structural diagram of a refrigerant heat sink in the prior art; the existing refrigerant radiator comprises an aluminum block 200 and a copper pipe 300 penetrating through the aluminum block 200, wherein the copper pipe 300 is wound in the aluminum block 200, and a refrigerant flows in the copper pipe, wherein the aluminum block 200 is in contact with an electrical box to perform local heat dissipation on an IPM module of the electrical box or a component to be cooled with large heat productivity.

The applicant has found that the prior art has at least the following technical problems:

1. because of the processing reason of the copper pipe, the existing copper pipe radiator only forms a coiled flow channel on the aluminum block, and the flow channel formed in the copper pipe is difficult to be completely attached to the aluminum block, so that a gap exists, the heat of the heat-radiating piece needs to be transferred to the aluminum block firstly, then transferred to a refrigerant in the copper pipe by the aluminum block, and the heat is taken away by the refrigerant; therefore, the heat exchange area between the refrigerant and the heat-dissipating piece is small, and the heat transfer efficiency is low.

2. The heat dissipation structure and the heat dissipation mode destroy the sealing performance of the electric box and bring adverse effects on insect prevention, dust prevention, water prevention and moisture prevention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a radiator, an electric box assembly and an air conditioner, which solve the technical problems of small heat exchange area and low heat exchange efficiency between a refrigerant and a heat-radiating piece in the existing copper tube type radiator in the prior art; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a radiator, including be used for with treat the body of radiating piece contact, wherein:

the body is provided with a refrigerant inlet and a refrigerant outlet, refrigerant runners are constructed in the body, the number of the refrigerant runners is one or more than two, inlets of all the refrigerant runners are communicated with the refrigerant inlet, and outlets of all the refrigerant runners are communicated with the refrigerant outlet.

Preferably, the body comprises a first plate body and a second plate body which are connected, a groove is formed in the first plate body and/or the second plate body, and the groove in one of the first plate body or the second plate body is in sealing fit with the plate surface on the other plate body or the groove to form the refrigerant flow channel.

Preferably, a connecting plane is arranged between the adjacent grooves, and the connecting planes on the first plate body and the second plate body are attached and fixed to form the refrigerant flow channel.

Preferably, a plane of one side of the body is used for contacting with the to-be-cooled part, a plane of the other side of the body is provided with a first pipe joint used for being connected with a refrigerant introducing pipe and a second pipe joint used for being connected with a refrigerant leading-out pipe, the first pipe joint is communicated with the refrigerant inlet, and the second pipe joint is communicated with the refrigerant outlet.

Preferably, the first pipe fitting and the second pipe fitting are located at the same end of the body.

Preferably, the radial section of the refrigerant channel is semicircular and/or circular and/or elliptical.

Preferably, the body further has a refrigerant flow distribution region and/or a refrigerant flow converging region with a cavity structure inside, wherein: the refrigerant flow distribution area is communicated with the refrigerant inlets and the inlets of all the refrigerant flow channels, and the refrigerant flow converging area is communicated with the outlets of all the refrigerant flow channels and the refrigerant outlets.

Preferably, the refrigerant inlet is located on the refrigerant diversion area, the refrigerant diversion area is provided with an arc-shaped side wall, and inlets of all the refrigerant runners are connected to the same arc-shaped side wall of the refrigerant diversion area;

and/or the refrigerant outlet is positioned on the refrigerant convergence area, the refrigerant convergence area is provided with an arc-shaped side wall, and outlets of all the refrigerant flow channels are connected to the same arc-shaped side wall of the refrigerant convergence area.

Preferably, the radial cross section of the refrigerant flow dividing region and/or the refrigerant flow converging region is one or more of a sector, a sector ring and a circle.

Preferably, the body further has a confluence/diversion area, and the confluence/diversion area is located on a circulation path of the refrigerant in all the refrigerant channels and between the refrigerant inlet and the refrigerant outlet.

Preferably, the confluence and diversion area is an arc-shaped flow channel, and all the refrigerant flow channels are connected to the same arc-shaped side wall of the confluence and diversion area.

Preferably, the confluence flow-dividing region is an arc-shaped flow channel with the same width everywhere.

Preferably, the refrigerant inlet and the refrigerant outlet are located at a first end of the body, and the confluence flow dividing region is located at a second end of the body; or the refrigerant inlet and the refrigerant outlet are respectively positioned at two ends of the body.

Preferably, all the refrigerant flow channels of the internal refrigerant flowing into the confluence and shunting region have the same structure and are uniformly distributed along the width or length direction of the body; and/or all the refrigerant flow channels of the internal refrigerants flowing out of the confluence flow distribution area have the same structure and are uniformly distributed along the width or length direction of the body.

Preferably, the number of the refrigerant channels through which the internal refrigerant flows into the confluence shunting area is equal to the number of the refrigerant channels through which the internal refrigerant flows out of the confluence shunting area.

Preferably, all the refrigerant channels are linear channels.

Preferably, the lengths of all the refrigerant channels are equal.

The utility model also provides an electrical box subassembly, including above-mentioned radiator, the laminating is installed one or more than two on the body treat the radiating piece.

The utility model also provides an air conditioner, including above-mentioned radiator.

Compared with the prior art, the utility model, following beneficial effect has: the radiator directly constructs the refrigerant flow channel on the radiator body, no gap exists between the refrigerant flow channel and the radiator body, no heat transfer gap exists, and the heat exchange area is increased; when more than two refrigerant channels are arranged, the refrigerants can enter from the plurality of refrigerant channels simultaneously; and under the same-size body and the same-flow refrigerant, the heat exchange area between the refrigerant in the refrigerant flow channel and the heat dissipation piece to be cooled can be increased, and the heat exchange efficiency is improved. The electric box assembly and the air conditioner with the radiator can also improve the heat exchange area between the heat-radiating piece to be radiated and a refrigerant on the electric box, ensure the sealing performance of the electric box and improve the reliability of the whole component; the heat dissipation of components in the air conditioner is facilitated, and the operation reliability of the air conditioner is guaranteed.

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 diagram of a refrigerant radiator in the prior art;

fig. 2 is a schematic structural diagram of the heat sink of the present invention;

FIG. 3 is an exploded view of the heat sink;

fig. 4 is a schematic structural view of the first plate body;

fig. 5 is a schematic structural view of the second plate body;

fig. 6 is a schematic structural view of a groove on the first plate body;

FIG. 7 is a schematic cross-sectional view of a coolant channel on the body;

fig. 8 is a schematic structural view of an electrical box assembly.

In the figure 100, a body; 1. a first plate body; 2. a second plate body; 21. a refrigerant inlet; 22. a refrigerant outlet; 23. a first pipe joint; 24. a second pipe joint; 31. a refrigerant flow distribution area; 32. a groove; 33. a confluence flow-splitting area; 34. a blocking section; 35. a refrigerant converging region; 36. a connection plane; 4. a refrigerant flow channel; 5. and (5) waiting for the heat dissipation piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The embodiment of the utility model provides a can improve refrigerant runner in refrigerant with treat heat dissipation piece heat transfer area, improve heat exchange efficiency's radiator, electrical apparatus box subassembly and air conditioner.

The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 8.

FIG. 1 is a schematic diagram of a refrigerant radiator in the prior art; the copper pipe is arranged on the aluminum block of the existing refrigerant radiator in a penetrating mode, due to the manufacturing problem, a gap exists between the copper pipe 300 and the aluminum block 200, the refrigerant in the copper pipe 300 is difficult to directly contact with the heat dissipation part 5 to be cooled, the heat exchange area between the refrigerant and the heat dissipation part 5 to be cooled is small, and the heat exchange efficiency is low.

As shown in fig. 2-7, the present invention provides a heat sink, including a body 100 for contacting with a heat sink 5, wherein: the main body 100 has a refrigerant inlet 21 and a refrigerant outlet 22, the main body 100 has one or more refrigerant channels 4, the number of the refrigerant channels 4 is one or more, inlets of all the refrigerant channels 4 are connected to the refrigerant inlet 21, and outlets of all the refrigerant channels 4 are connected to the refrigerant outlet 22.

In the radiator of the embodiment, the refrigerant flow channel 4 is directly constructed on the radiator body 100, no gap exists between the refrigerant flow channel 4 and the radiator body 100, no heat transfer gap exists, and the heat exchange area is increased; and a larger number of refrigerant channels 4 are formed on the same size of the main body 100; when more than two refrigerant channels 4 are provided, the refrigerant can enter from the plurality of refrigerant channels simultaneously, so that the uniformity of heat exchange is facilitated; and under the same size of the main body 100 and the same flow of the refrigerant, the heat exchange area between the refrigerant in the refrigerant channel 4 and the heat-dissipating member 5 can be increased, and the heat exchange efficiency can be improved.

As an alternative embodiment, referring to fig. 3, 4, 5 and 7, the body 100 includes a first plate 1 and a second plate 2 connected to each other, a groove 32 is formed on the first plate 1 and/or the second plate 2, and the groove 32 on one of the first plate 1 or the second plate 2 is in sealing fit with the plate or the groove 32 on the other one of the first plate 1 or the second plate 2 to form the refrigerant channel 4. In other words, the refrigerant channel 4 is formed by splicing two grooves 32 formed in the first plate body 1 and the second plate body 2, or formed by sealing the groove 32 of one plate body with the plate surface of the other plate body. Preferably, as shown in fig. 3 to 5, grooves 32 are formed in the first plate body 1 and the second plate body 2, and the grooves 32 in the two plate bodies seal and form the refrigerant flow channel 4.

The refrigerant flow channel 4 is formed by splicing the grooves 32 on the first plate body 1 and the second plate body 2, and compared with a structure that the grooves 32 are spliced with the plate surface to form the refrigerant flow channel 4, the refrigerant flow resistance can be reduced, so that the refrigerant in the refrigerant flow channel 4 flows more smoothly.

As an alternative embodiment, referring to fig. 6 and 7, in this embodiment, a connection plane 36 exists between adjacent grooves 32, and the connection planes 36 located on the first plate body 1 and the second plate body 2 are attached and fixed to each other, so that the corresponding grooves 32 located on the two plate bodies are sealed to form the refrigerant flow channel 4. Preferably, in this embodiment, the grooves 32 on the first plate body 1 and the second plate body 2 have the same structure, and all the refrigerant flow channels 4 are uniformly distributed at intervals, so that the connection planes 36 on the two plate bodies are fixed by welding, thereby ensuring the sealing performance of the refrigerant flow channels 4.

As an alternative embodiment, one side plane of the body 100 is used for contacting with the to-be-cooled piece 5, and the other side plane is provided with a first pipe connector 23 connected with a refrigerant inlet pipe and a second pipe connector 24 connected with a refrigerant outlet pipe; specifically, one side of the plane of the first plate body 1 is used for contacting with the heat dissipation member 5 to be dissipated, and one side of the plane of the second plate body 2 is provided with the first pipe joint 23 and the second pipe joint 24; the first pipe joint 23 communicates with the refrigerant inlet 21, and the second pipe joint 24 communicates with the refrigerant outlet 22.

In the structure, the heat dissipation piece 5 and all pipe joints connected with a system refrigerant pipeline are distributed on two sides of the body 100, the refrigerant pipeline connection is prevented from influencing the installation of the heat dissipation piece 5, and a sufficient heat exchange position is reserved on the body 100 for the heat dissipation piece 5. And the first pipe joint 23 and the second pipe joint 24 are arranged on the body 100, so as to be conveniently connected with a refrigerant pipeline in the air conditioning system, and be convenient for installation, so that the refrigerant smoothly flows in the radiator body 100 to exchange heat with the heat-dissipating piece 5 in the air conditioning system.

Referring to fig. 1 to 5, the heat sink body 100 of the present embodiment is a rectangular plate-shaped structure, and the refrigerant flow channels 4 extend along the length direction of the body 100 and are uniformly arranged along the width direction of the body 100, or the refrigerant flow channels 4 extend along the width direction of the body 100 and are uniformly arranged along the length direction of the body 100; so that the refrigerant flow channel 4 is uniformly distributed on the whole body 100, the area of the body 100 is fully utilized, the heat exchange area between the refrigerant and the heat-dissipating member 5 is increased, and the refrigerant uniformly passes through the radiator.

In order to have a compact structure and facilitate the connection of the refrigerant inlet pipe and the refrigerant outlet pipe, as an alternative embodiment, referring to fig. 2, 3 and 5, the first pipe joint 23 and the second pipe joint 24 are located at the same end of the body 100, that is, the refrigerant inlet 21 and the refrigerant outlet 22 are located at the same end of the body 100. The structure can reduce the span between the refrigerant inlet pipe and the refrigerant outlet pipe, and is convenient to be connected with the system refrigerant pipeline by the corresponding pipe joint.

Also in order to reduce the flow resistance of the refrigerant in the refrigerant flow channel 4, as an alternative embodiment, the radial section of the refrigerant flow channel 4 is semicircular and/or circular and/or elliptical. Preferably, as shown in fig. 7, the radial cross sections of the grooves formed in the first plate body 1 and the second plate body 2 are semicircular, and the grooves on both sides are spliced to form the refrigerant channel 4 with a circular radial cross section, so that dead corners of the flow can be reduced, and the refrigerant can flow more smoothly in the refrigerant channel 4.

In order to further improve the uniformity of refrigerant distribution, so that the refrigerant uniformly passes through the heat sink, and the heat exchange at each position of the heat sink is more uniform, as an alternative embodiment, referring to fig. 4 and 5, the main body 100 further has a refrigerant dividing region 31 and/or a refrigerant converging region 35 with a cavity structure inside, wherein: the refrigerant flow dividing region 31 communicates with the refrigerant inlet 21 and the inlets of all the refrigerant flow paths 4, and the refrigerant converging region 35 communicates with the outlets of all the refrigerant flow paths 4 and the refrigerant outlets 22.

The refrigerant entering the refrigerant inlet 21 flows into the refrigerant flow dividing region 31, and is distributed to all refrigerant pipelines by the refrigerant flow dividing region 31, so that the flow rate of the refrigerant entering each refrigerant flow channel 4 is more uniform, the refrigerant is distributed more uniformly, and the heat exchange between the radiator and the heat-dissipating member 5 is more uniform. Similarly, the refrigerants in all the refrigerant channels 4 flow into the refrigerant converging region 35 and then flow back to the system refrigerant pipeline together, which is also beneficial to the heat exchange uniformity of the system refrigerant.

The refrigerant inlet 21 may be located on the refrigerant flow dividing region 31, or may not be located on the refrigerant flow dividing region 31, preferably, as shown in fig. 5, the refrigerant inlet 21 is located on the refrigerant flow dividing region 31, the refrigerant flow dividing region 31 has an arc-shaped sidewall, and inlets of all the refrigerant flow channels 4 are connected to the same arc-shaped sidewall of the refrigerant flow dividing region 31; and/or the refrigerant outlet 22 is located on the refrigerant converging region 35, the refrigerant converging region 35 has an arc-shaped side wall, and the outlets of all the refrigerant flow channels 4 are connected to the same arc-shaped side wall of the refrigerant converging region 35.

In this embodiment, the refrigerant diverging region 31 and the refrigerant converging region 35 have the same structure and both have the arc-shaped sidewalls. The structure can ensure that the refrigerant entering the refrigerant shunting area 31 is radially distributed to each refrigerant flow channel 4, and no flow dead angle exists, so that the refrigerant distribution is more uniform. Similarly, the refrigerant flowing out of the refrigerant channel 4 can be smoothly converged to the refrigerant outlet 22 in the refrigerant converging region 35, so that the generation of a flowing dead angle is prevented; the path of the refrigerant flow channel 4 is relatively uniform, the refrigerant distribution is more uniform, the refrigerant flows more uniformly, the heat exchange at each part of the radiator is more uniform, and the heat radiation effect is better.

As an alternative embodiment, the radial cross section of the refrigerant flow dividing region 31 and/or the refrigerant flow converging region 35 may be one or more of a sector, a sector ring, and a circle.

As shown in fig. 4 and 5, a refrigerant diverging region 31 and a refrigerant converging region 35 with sector-shaped radial cross sections make the refrigerant path relatively uniform, so that the refrigerant entering the body 100 is uniformly distributed and flows more uniformly. The refrigerant flow distribution area 31 and the refrigerant flow converging area 35 of the embodiment are formed by sealing and splicing fan-shaped annular grooves on the first plate body 1 and the second plate body 2, and when the first plate body 1 and the second plate body 2 are spliced to form the refrigerant flow channel 4, the fan-shaped annular grooves on the two sides are also spliced to form the refrigerant flow distribution area 31 and the refrigerant flow converging area 35, so that the refrigerant flow distribution area and the refrigerant flow converging area are convenient to manufacture and install.

In order to further improve the uniformity of refrigerant distribution, so that the refrigerant uniformly passes through the heat sink, and the heat exchange at various positions of the heat sink is more uniform, as an alternative embodiment, referring to fig. 4 and 5, the main body 100 further has a confluence/diversion area 33, and the confluence/diversion area 33 is communicated with all the refrigerant flow channels 4, is located on the flow path of the refrigerant in all the refrigerant flow channels 4, and is located between the refrigerant inlet 2 and the refrigerant outlet 22.

The refrigerant in the refrigerant flow channel 4 flows into the confluence and shunting region 33 and is collected in the region, and then is uniformly distributed into the refrigerant flow channel 4 again, so that the refrigerant uniformly passes through the radiator, the temperature of the refrigerant in each refrigerant flow channel 4 is more uniform, the uniformity of heat exchange with the heat-radiating piece 5 is improved, and the problem that the heat exchange effect is not uniform at each position due to different heat exchange environments and different cold quantities in the flowing process of the refrigerant in each refrigerant flow channel 4 is solved.

As an alternative embodiment, referring to fig. 4 and 5, the confluence/diversion area 33 is an arc-shaped flow channel, and all the refrigerant flow channels 4 are connected to the same arc-shaped sidewall of the confluence/diversion area 33; the flow dead angle generated in the process that the refrigerant flows into or flows out of the confluence flow-dividing region 33 can be prevented, the flow is not uniform, and the heat exchange is not uniform with the heat-radiating piece 5.

As an alternative embodiment, referring to fig. 4 and 5, the confluence flow-dividing region 33 is an arc-shaped flow-path with equal width everywhere; the uniformity of the refrigerant redistributed again in the confluence flow-dividing area 33 is improved, the uniformity of the heat exchange between the refrigerant and the heat-radiating piece 5 to be cooled is improved, and the heat-radiating effect of the radiator is improved.

As an alternative embodiment, referring to fig. 4 and 5, the refrigerant inlet 21 and the refrigerant outlet 22 are located at a first end of the body 100, and the confluence flow-splitting region 33 is located at a second end of the body 100; at this time, the refrigerant flow channel 4 of the internal refrigerant inflow confluence flow-dividing region 33 and the refrigerant flow channel 4 of the internal refrigerant outflow confluence flow-dividing region 33 are arranged along the width direction of the body 100; the confluence flow-dividing region 33 is located at the middle position of the refrigerant flow path, so that the uniformity of refrigerant distribution and redistribution is facilitated, the refrigerant outlet 22 and the refrigerant inlet 21 are located at the same end of the body 100, and the refrigerant inlet pipe and the refrigerant outlet pipe are prevented from being excessively large in span. Or, the refrigerant inlet 21 and the refrigerant outlet 22 are respectively located at two ends of the body 100, at this time, the merging and diverging region 33 is located at the middle position of the body 100, the refrigerant flow channel 4 where the internal refrigerant flows into the merging and diverging region 33 and the refrigerant flow channel 4 where the internal refrigerant flows out of the merging and diverging region 33 are arranged along the length direction of the body 100, and at this time, the refrigerant inlet 21 and the refrigerant outlet 22 are respectively located at two ends of the body 100.

In order to further improve the uniformity of refrigerant distribution, as an alternative embodiment, referring to fig. 4 and 5, all the refrigerant channels 4 of the internal refrigerant inflow confluence/diversion region 33 have the same structure and are uniformly distributed along the width or length direction of the body 100; and/or, all the refrigerant channels 4 of the internal refrigerant outflow confluence flow-dividing region 33 have the same structure and are uniformly distributed along the width or length direction of the body 100. In this embodiment, all the refrigerant channels 4 have the same structure and are uniformly distributed, so as to ensure the uniformity of refrigerant distribution and refrigerant flow.

In order to further improve the uniformity of refrigerant distribution, the refrigerant can uniformly pass through the entire radiator body 100, and as an alternative embodiment, the number of the refrigerant channels 4 of the internal refrigerant inflow confluence diversion region 33 is equal to the number of the refrigerant channels 4 of the internal refrigerant outflow confluence diversion region 33. This structure enables: the internal refrigerant flows into the heat exchange area corresponding to the refrigerant channel 4 of the confluence shunting area 33 and flows out of the heat exchange area corresponding to the refrigerant channel 4 of the confluence shunting area 33, and the cold quantity of the internal refrigerant are relatively more uniform, so that the cold quantity distribution of the whole radiator body 100 is relatively more uniform, and the uniformity of heat dissipation is facilitated.

For the heat-dissipating member 5 with large heat productivity, the refrigerant flow path can be shortened by adjusting the position of the confluence/diversion area 33, so as to improve the uniformity of heat exchange.

Specifically, referring to fig. 3 to 7, the first plate 1 and the second plate 2 in the present embodiment are separated from the refrigerant diverging region 31 and the refrigerant converging region 35, and the upper refrigerant flow channel 4 and the lower refrigerant flow channel 4 by the middle blocking portion 34; refrigerant can be even through refrigerant runner 4 on upper portion behind refrigerant flow distribution region 31, the curved refrigerant channel that distributes to the latter half evenly after gathering upper portion refrigerant of rethread branch district 33 that converges, through twice distribution process, gather at refrigerant flow distribution region 35 at last to participate in the refrigerant circulation through the refrigerant stand-off pipe, take away the heat in step, further guarantee that the refrigerant can evenly pass through radiator body 100, make body 100 go up temperature everywhere even, improve the radiating effect.

In order to ensure that the refrigerant reduces the flow resistance in each refrigerant channel 4 and ensure the uniformity of the cooling capacity in each refrigerant channel 4, as an alternative embodiment, as shown in fig. 3 to 5, all the refrigerant channels 4 of this embodiment are straight-line channels.

As an optional implementation, the lengths of all the refrigerant channels 4 are equal; the refrigerant flow channel 4 structure with the same length enables the on-way resistance of the refrigerant to be consistent, the refrigerant can more uniformly pass through the radiator body 100, the heat exchange uniformity of the radiator is facilitated, and the heat dissipation effect is improved.

The embodiment of the utility model provides an electrical box subassembly is still provided, refer to fig. 8 and show, including above-mentioned radiator, the laminating is installed one or more than two on the body 100 and is treated heat dissipation piece 5.

For example, the high-power heating component on the PCB is tightly attached to the surface (the planar side of the first plate 1) to be mounted of the heat sink body 100 through the heat dissipating grease, the refrigerant flowing in the refrigerant channel 4 can directly contact with the heat dissipating member 5, no heat exchange gap exists, the heat of the component is directly taken away by the refrigerant, and the reliable operation of the component at a reasonable temperature is ensured. The heat of other components in the electrical apparatus box radiates to the electrical apparatus box, and the radiator absorbs the heat of the electrical apparatus box again and takes away through the refrigerant that flows, reaches the purpose of whole electrical apparatus box cooling.

The electric box assembly with the radiator and the air conditioner can also improve the heat exchange area between the heat-radiating part 5 to be cooled and a refrigerant on the electric box, ensure the sealing performance of the electric box and improve the reliability of the whole component.

The embodiment of the utility model provides an air conditioner is still provided, including above-mentioned radiator.

The air conditioner with the radiator is convenient for the heat dissipation of components in the air conditioner, and the operation reliability of the air conditioner is ensured.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (19)

1. A radiator, characterized by comprising a body (100) for contact with a member (5) to be cooled, wherein:

the cooling medium flow channel structure is characterized in that a cooling medium inlet (21) and a cooling medium outlet (22) are formed in the body (100), cooling medium flow channels (4) are constructed in the body (100), the number of the cooling medium flow channels (4) is one or more than two, inlets of all the cooling medium flow channels (4) are communicated with the cooling medium inlet (21), and outlets of all the cooling medium flow channels (4) are communicated with the cooling medium outlet (22).

2. The heat sink according to claim 1, wherein the body (100) comprises a first plate body (1) and a second plate body (2) connected to each other, a groove (32) is formed on the first plate body (1) and/or the second plate body (2), and the groove (32) on one of the first plate body (1) or the second plate body (2) is in sealing fit with the plate surface on the other of the first plate body and the second plate body or the groove (32) to form the refrigerant channel (4).

3. The heat sink as recited in claim 2, wherein a connecting plane (36) is disposed between adjacent grooves (32), and the connecting planes (36) disposed on the first plate (1) and the second plate (2) are attached and fixed to each other to form the refrigerant channel (4).

4. The radiator according to claim 1 or 2, wherein one side plane of the body (100) is used for contacting the member to be cooled (5), and the other side plane is provided with a first pipe joint (23) connected with a refrigerant inlet pipe and a second pipe joint (24) connected with a refrigerant outlet pipe, wherein the first pipe joint (23) is communicated with the refrigerant inlet (21), and the second pipe joint (24) is communicated with the refrigerant outlet (22).

5. A radiator according to claim 4, characterized in that the first pipe joint (23) and the second pipe joint (24) are located at the same end of the body (100).

6. The radiator according to claim 1, wherein the radial cross-section of the coolant channel (4) is semicircular and/or circular and/or elliptical.

7. The radiator according to claim 1, wherein the body (100) further has a refrigerant flow dividing region (31) and/or a refrigerant flow converging region (35) with a cavity structure therein, wherein: the refrigerant flow dividing region (31) is communicated with the refrigerant inlet (21) and inlets of all the refrigerant flow channels (4), and the refrigerant converging region (35) is communicated with outlets of all the refrigerant flow channels (4) and the refrigerant outlet (22).

8. The heat sink according to claim 7, wherein the refrigerant inlet (21) is located on the refrigerant flow dividing region (31), the refrigerant flow dividing region (31) has an arc-shaped sidewall, and inlets of all the refrigerant flow passages (4) are connected to the same arc-shaped sidewall of the refrigerant flow dividing region (31);

and/or the refrigerant outlet (22) is positioned on the refrigerant converging region (35), the refrigerant converging region (35) is provided with an arc-shaped side wall, and outlets of all the refrigerant flow channels (4) are connected to the same arc-shaped side wall of the refrigerant converging region (35).

9. Radiator according to claim 7 or 8, wherein the radial cross section of the refrigerant flow dividing region (31) and/or the refrigerant flow converging region (35) is one or more of fan-shaped, fan-shaped and circular.

10. The heat sink as claimed in claim 1, wherein the body (100) further has a confluence/diversion area (33), and the confluence/diversion area (33) is located on a flow path of the refrigerant in all the refrigerant flow channels (4) and between the refrigerant inlet (21) and the refrigerant outlet (22).

11. The heat sink as claimed in claim 10, wherein the merging/diverging region (33) is an arc-shaped flow channel, and all the refrigerant flow channels (4) are connected to the same arc-shaped sidewall of the merging/diverging region (33).

12. A radiator according to claim 10, characterised in that the confluence flow area (33) is an arc-shaped flow channel of equal width everywhere.

13. The radiator according to claim 10, wherein the refrigerant inlet (21) and the refrigerant outlet (22) are located at a first end of the body (100), and the confluence flow region (33) is located at a second end of the body (100); or, the refrigerant inlet (21) and the refrigerant outlet (22) are respectively positioned at two ends of the body (100).

14. The heat sink as claimed in claim 10, wherein all the refrigerant channels (4) for the internal refrigerant to flow into the confluence/diversion region (33) have the same structure and are uniformly distributed along the width or length direction of the body (100); and/or all the refrigerant flow channels (4) of the internal refrigerant flowing out of the confluence flow splitting area (33) have the same structure and are uniformly distributed along the width or length direction of the body (100).

15. The heat sink according to any one of claims 10 to 14, wherein the number of the refrigerant channels (4) for the internal refrigerant to flow into the confluence logic flow splitting region (33) is equal to the number of the refrigerant channels (4) for the internal refrigerant to flow out of the confluence logic flow splitting region (33).

16. The heat sink as claimed in any one of claims 1, 7 and 10, wherein all the refrigerant channels (4) are straight channels.

17. The radiator according to any one of claims 1, 7 and 10, wherein all the refrigerant flow passages (4) have the same length.

18. An electrical box assembly, characterized in that, comprising the heat sink of any one of claims 1-17, one or more heat dissipation members (5) are attached to the body (100).

19. An air conditioner characterized by comprising the radiator according to any one of claims 1 to 17.

Images