CN217470648U - Radiator and electrical equipment - Google Patents
Radiator and electrical equipment Download PDFInfo
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- CN217470648U CN217470648U CN202221482343.2U CN202221482343U CN217470648U CN 217470648 U CN217470648 U CN 217470648U CN 202221482343 U CN202221482343 U CN 202221482343U CN 217470648 U CN217470648 U CN 217470648U
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Abstract
The application provides a radiator and electrical equipment, above-mentioned radiator includes base and a plurality of first fin, and the base is used for contacting with waiting to cool off the heat source, and a plurality of first fin intervals are arranged on the base, and the radiator still includes at least one second fin, has seted up the inserting groove on the base, and the inserting groove is located between two adjacent first fins, and the second fin is connected in the inserting groove. The radiator that this application provided can be based on the calorific capacity of the different consumption districts of waiting to cool off the heat source and carry out nimble adjustment to the fin density in the different heat dissipation areas of radiator, not only can satisfy the heat dissipation demand of waiting to cool off each consumption district of heat source, has effectively saved the manufacturing material of radiator moreover to the manufacturing cost of radiator has effectively been reduced.
Description
Technical Field
The application belongs to the technical field of heat dissipation, and more specifically relates to a radiator and electrical equipment.
Background
At present, electrical equipment generally comprises a heat source, the heat source generally comprises a plurality of power consumption areas, the heat productivity of different power consumption areas is different, in order to dissipate heat of each power consumption area of the heat source, part of manufacturers can adopt a respective heat dissipation mode, namely, radiators are respectively installed on each power consumption area of the heat source, and the heat dissipation performance of each radiator is matched with the heat productivity of the corresponding power consumption area so as to meet the heat dissipation requirement of each power consumption area. However, the structure of the electrical device adopting the separate heat radiation method is complicated and the volume is large.
In order to simplify the structure of the electrical equipment, some manufacturers may use an integrated heat sink to contact each power consumption region of the heat source to dissipate heat from each power consumption region of the heat source. However, since the fin density of each heat dissipation area of the conventional integrated heat sink is the same, in order to meet the heat dissipation requirement of the power consumption area with the highest heat generation amount, the fin density of the integrated heat sink needs to be designed to the maximum. However, for the middle power consumption region or the low power consumption region, the integrated heat sink designed with the maximum fin density has excessive heat dissipation performance, which causes material waste and results in high manufacturing cost of the integrated heat sink.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a heat sink and an electrical device, so as to solve the technical problem that in the prior art, an integral heat sink needs to maximize the fin density in order to meet the heat dissipation requirement of a power consumption area of a heat source with the highest heat productivity, resulting in higher manufacturing cost.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: the heat radiator comprises a base and a plurality of first fins, wherein the base is used for being in contact with a heat source to be cooled, the first fins are arranged on the base at intervals, the heat radiator further comprises at least one second fin, an insertion groove is formed in the base and located between every two adjacent first fins, and the second fins are connected in the insertion groove.
Optionally, the base has a first heat dissipation area and a second heat dissipation area, be provided with a plurality of evenly arranged on the first heat dissipation area first fin, be provided with a plurality of evenly arranged on the second heat dissipation area first fin and adjacent two be provided with between the first fin the second fin.
Optionally, a first extrusion groove parallel to the insertion groove is formed in the base, the first extrusion groove is located between the insertion groove and the first fin, and the first extrusion groove is used for an external extrusion piece to be placed in to extrude the second fin inserted into the insertion groove.
Optionally, a second extrusion groove parallel to the insertion groove is formed in the base, the second extrusion groove is located between the insertion groove and the first fin, the second extrusion groove and the first extrusion groove are respectively located on two opposite sides of the insertion groove, and the second extrusion groove is used for allowing an external extrusion part to be placed in to extrude the second fin inserted into the insertion groove.
Optionally, the insertion groove is provided with a groove cavity and a cavity opening, the cavity opening is communicated with the groove cavity and the surface of the base, which is away from the heat source to be cooled, at least one end of the insertion groove is provided with an insertion opening penetrating through the side wall of the base, and the width of the cavity opening is smaller than that of the groove cavity;
the second fin comprises a fin body and an inserting portion, the inserting portion is connected to one side of the fin body, the inserting portion is inserted into the groove cavity through the inserting port, and the fin body extends out of the groove cavity through the cavity opening.
Optionally, a heat conduction layer is filled between the second fin and the groove wall of the insertion groove.
Optionally, the first fin is a phase change fin; and/or the second fin is a phase change fin.
Optionally, the base and each of the first fins are integrally formed.
Optionally, the second fin has a spacing from the adjacent first fin in a range of 2mm to 5 mm.
The application provides a radiator has following beneficial effect at least: compared with the prior art, the radiator of the application has the advantages that the inserting grooves are formed between the adjacent two first fins, so that the base is provided with the plurality of inserting grooves, when the base is in contact with a heat source to be cooled, for a high-power consumption area of the heat source to be cooled, the second fins can be respectively inserted into the inserting grooves in the high-power consumption radiating area of the base, for a medium-power consumption area of the heat source to be cooled, the second fins can be inserted into part of the inserting grooves in the medium-power consumption radiating area of the base, for a low-power consumption area of the heat source to be cooled, the second fins are not inserted into the inserting grooves in the low-power consumption radiating area of the base, so that the fin densities of different radiating areas of the radiator can be flexibly adjusted according to the heat generation amount of different power consumption areas of the heat source to be cooled, the radiating requirements of the heat sources to be cooled can be met, and the manufacturing material of the radiator is effectively saved, so that the manufacturing cost of the radiator is effectively reduced.
In order to achieve the above object, the present application further provides an electrical device, including a heat source to be cooled and the heat sink of any of the above embodiments, the heat source to be cooled includes a first power consumption region and a second power consumption region, power consumption of the first power consumption region is greater than power consumption of the second power consumption region, and the first power consumption region is connected to a region of the base having the second fin.
Because the electric equipment adopts the radiator of any one of the embodiments, the manufacturing cost of the electric equipment is effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first schematic structural diagram of a heat sink according to an embodiment of the present disclosure;
FIG. 2 is an enlarged schematic view of the heat sink shown in FIG. 1 at A;
FIG. 3 is a schematic front view of the heat sink shown in FIG. 1 with the second fins removed;
FIG. 4 is an enlarged view of the heat sink shown in FIG. 3;
fig. 5 is a second schematic structural diagram of a heat sink according to an embodiment of the present application;
fig. 6 is a partial schematic structural diagram of a heat sink according to another embodiment of the present application.
Wherein, in the figures, the various reference numbers:
100. a heat sink; 110. a base; 111. inserting grooves; 1111. a slot cavity; 1112. a lumen port; 112. a first extrusion groove; 113. a second extrusion groove; 114. a connecting seat; 115. a first heat dissipation area; 116. a second heat dissipation area; 120. a first fin; 130. a second fin; 131. a fin body; 132. a plug-in part.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
A first aspect of the present application provides a heat sink 100, where the heat sink 100 can dissipate heat of a heat source to be cooled, and the heat sink 100 provided in the embodiments of the present application will now be described with reference to the drawings.
Referring to fig. 1 to 4, a heat sink 100 includes a base 110, a plurality of first fins 120, and at least one second fin 130. The plurality of first fins 120 are arranged on the base 110 at intervals, and specifically, the intervals between two adjacent first fins 120 are equal. The base 110 is used for contacting with a heat source to be cooled, the base 110 is provided with an insertion groove 111, the insertion groove 111 is located between two adjacent first fins 120, and the second fin 130 is connected in the insertion groove 111.
Specifically, referring to fig. 5, a side of the base 110 away from the first fin 120 is provided with a plurality of connecting seats 114, the connecting seats 114 are used for connecting a heat source to be cooled, the number of the connecting seats 114 is multiple, the connecting seats 114 are arranged in a multi-row structure, and the number of the connecting seats 114 in each row may be the same or different.
Optionally, the plurality of connecting sockets 114 are connected to each power consumption region of the heat source to be cooled in a one-to-one correspondence manner, or each row of connecting sockets 114 is connected to one power consumption region of the heat source to be cooled, or in a row of connecting sockets 114, a part of the connecting sockets 114 are connected to one power consumption region of the heat source to be cooled, and another part of the connecting sockets 114 are connected to another power consumption region of the heat source to be cooled, or all the connecting sockets 114 on the base 110 are connected to one power consumption region of the heat source to be cooled, and a corresponding connection manner may be specifically selected according to actual application requirements to connect the base 110 to the heat source to be cooled, which is not limited herein.
Compared with the prior art, the heat sink 100 of the present application has the insertion grooves 111 disposed between the two adjacent first fins 120, so that the base 110 is formed with the multiple insertion grooves 111, when the base 110 contacts multiple heat sources to be cooled, for a high power consumption region of a heat source to be cooled, the second fins 130 can be inserted into the insertion grooves 111 in the high power consumption heat dissipation region of the base 110, for a medium power consumption region of a heat source to be cooled, the second fins 130 can be inserted into part of the insertion grooves 111 in the medium power consumption heat dissipation region of the base 110, for a low power consumption region of a heat source to be cooled, the second fins 130 are not inserted into the insertion grooves 111 in the low power consumption heat dissipation region of the base 110, so that the fin densities of different heat dissipation regions of the heat sink 100 can be flexibly adjusted according to the heat generation amounts of the different power consumption regions of the heat source to be cooled, and the heat dissipation requirements of the various power consumption regions of the heat sources to be cooled can be satisfied, and the manufacturing material of the heat sink 100 is effectively saved, thereby effectively reducing the manufacturing cost of the heat sink 100.
In an embodiment of the present application, referring to fig. 1, the base 110 has a first heat dissipation area 115 and a second heat dissipation area 116, the first heat dissipation area 115 is provided with a plurality of first fins 120 uniformly distributed, the second heat dissipation area 116 is provided with a plurality of first fins 120 uniformly distributed, and a second fin 130 is disposed between two adjacent first fins 120, when in use, the first heat dissipation area 115 corresponds to a high power consumption area of a heat source to be cooled, and the second heat dissipation area 116 corresponds to a low power consumption area of the heat source to be cooled, so as to meet heat dissipation requirements of each power consumption area of the heat source to be cooled.
In an embodiment of the present application, referring to fig. 3 and fig. 4, a first pressing groove 112 parallel to the insertion groove 111 is formed on the base 110, the first pressing groove 112 is located between the insertion groove 111 and the two first fins 120, and the first pressing groove 112 is used for an external pressing member to be inserted into to press the second fin 130 inserted into the insertion groove 111.
Specifically, the extrusion member is a pressing roller, and in the manufacturing process of the heat sink 100, the second fins 130 are inserted into the corresponding insertion grooves 111, the pressing roller is then placed into the corresponding first pressing groove 112, and then the pressing roller is moved along the extending direction of the first pressing groove 112, under the pressing action of the pressing roller, the width of the first pressing groove 112 will gradually expand, and meanwhile, the width of the insertion groove 111 will gradually narrow, so that the groove side wall of the insertion groove 111 close to the first pressing groove 112 will gradually press against the second fins 130, thereby pressing and fixing the second fins 130 in the insertion groove 111.
In the above embodiment, referring to fig. 4, the base 110 is provided with a second pressing groove 113 parallel to the insertion groove 111, the second pressing groove 113 is located between the insertion groove 111 and the first fin 120, the second pressing groove 113 and the first pressing groove 112 are respectively located on two opposite sides of the insertion groove 111, and the second pressing groove 113 is used for an external pressing member to be inserted to press the second fin 130 inserted into the insertion groove 111.
Specifically, during the manufacturing process of the heat sink 100, the second fins 130 are inserted into the corresponding insertion grooves 111, then one pressing roller is placed into the corresponding first pressing groove 112, and the pressing roller moves along the extending direction of the first pressing groove 112, at the same time, the other pressing roller is placed into the corresponding second pressing groove 113, and the pressing roller moves along the extending direction of the second pressing groove 113, the width of the first pressing groove 112 and the width of the second pressing groove 113 are gradually increased under the co-extrusion action of the two pressing rollers, and meanwhile, the width of the insertion groove 111 is gradually reduced, so that the two opposite groove sidewalls of the insertion groove 111 are gradually pressed against the second fins 130, thereby tightly pressing and fixing the second fins 130 in the insertion grooves 111, so that the pressing force applied to the portion of the second fins 130 inserted into the insertion grooves 111 is more uniform, the situation that the second fins 130 are inclined after the extrusion assembly process to cause different distances between two adjacent fins of the heat sink 100 is avoided, and the production yield of the heat sink 100 is effectively improved.
In another embodiment of the present application, please refer to fig. 6, the insertion groove 111 has a groove cavity 1111 and a cavity port 1112, the cavity port 1112 communicates the groove cavity 1111 and a surface of the base 110 facing away from the heat source to be cooled, at least one end of the insertion groove 111 is provided with an insertion port (not labeled in the figure), the cavity port 1112 penetrates through the insertion port, the width of the cavity port 1112 is smaller than the width of the groove cavity 1111, the second fin 130 includes a fin body 131 and an insertion portion 132, the insertion portion 132 is connected to one side of the fin body 131, the insertion portion 132 extends along the length direction of the fin body 131, the insertion portion 132 is inserted into the groove cavity 1111 through the insertion port, and the fin body 131 extends out of the groove cavity 1111 through the cavity port 1112.
By adopting the above technical scheme, in the manufacturing process of the heat sink 100, the insertion part 132 of the second fin 130 is inserted into the groove 1111 through the insertion port of the corresponding insertion groove 111, and since the cavity port 1112 penetrates through the insertion port, the fin body 131 is simultaneously placed into the cavity port 1112 and extends out of the groove 1111 through the cavity port 1112, at this time, since the width of the cavity port 1112 is smaller than the width of the groove 1111, the insertion part 132 is clamped in the insertion groove 111, and after the insertion part 132 is completely inserted into the groove 1111, the assembly operation of the second fin 130 is completed, thereby effectively simplifying the production flow of the heat sink 100 and improving the production efficiency of the heat sink 100.
In the above embodiment, the width of the cavity 1112 is equal to the thickness of the fin body 131, so that after the fin body 131 extends out of the slot 1111 through the cavity 1112, the edge of the cavity 1112 can effectively limit the position of the fin body 131, thereby avoiding the situation that the interval between two adjacent fins of the heat sink 100 is different due to the inclination of the fin body 131, and effectively improving the production yield of the heat sink 100.
In one embodiment of the present application, a heat conductive layer (not shown) is filled between the second fin 130 and the wall of the insertion groove 111. Specifically, the heat conducting layer is made of a liquid heat conducting material, wherein the liquid heat conducting material includes, but is not limited to, epoxy resin, heat conducting silica gel, and the like, in the manufacturing process of the heat sink 100, the liquid heat conducting material is injected into the insertion groove 111, and the second fin 130 is inserted into the insertion groove 111, the liquid heat conducting material can form a heat conducting layer between the second fin 130 and the groove wall of the insertion groove 111 to effectively fill the gap between the second fin 130 and the groove wall of the insertion groove 111, the heat conducting efficiency between the groove wall of the insertion groove 111 and the second fin 130 is effectively improved, and therefore the heat radiating performance of the heat sink 100 is effectively improved.
In an embodiment of the application, the first fins 120 are phase change fins, and in an operation process of the heat sink 100, after the base 110 is in contact with a heat source to be cooled, heat generated by the heat source to be cooled is transferred to the base 110, and then transferred to the first fins 120 through the base 110, so that the liquid phase change medium in the first fins 120 is heated and evaporated into a vapor phase change medium, and then the vapor phase change medium flows in a direction away from the base 110, and is then converted into the liquid phase change medium again through condensation, and meanwhile, the heat is released to the outside, thereby effectively improving the heat dissipation performance of the heat sink 100.
In an embodiment of the application, the second fins 130 are phase change fins, and in the working process of the heat sink 100, after the base 110 is in contact with a heat source to be cooled, heat generated by the heat source to be cooled is transferred to the base 110, and then transferred to the second fins 130 through the groove walls of the insertion grooves 111, so that the liquid phase change medium in the second fins 130 is heated and evaporated into a vapor phase change medium, and then the vapor phase change medium flows in a direction away from the base 110, and is then converted into the liquid phase change medium again through condensation, and meanwhile, the heat is released to the outside, thereby effectively improving the heat dissipation performance of the heat sink 100.
In an embodiment of the present application, the base 110 and each of the first fins 120 are integrally formed, in other words, the base 110 and each of the first fins 120 are manufactured by an integral forming process, which includes but is not limited to a die-casting forming process, a casting forming process, and the like, so that on one hand, a production process of the heat sink 100 is effectively simplified, and production efficiency is improved, and on the other hand, an overall structural strength of the heat sink 100 is effectively improved.
In an embodiment of the present application, the distance between the second fin 130 and the adjacent first fin 120 is in a range of 2mm to 5mm, specifically 2mm, 3mm, 5mm, and the like, and it is understood that the distance between the second fin 130 and the adjacent first fin 120 is the distance after the second fin 130 is inserted into the insertion groove 111.
By limiting the distance between the second fin 130 and the adjacent first fin 120 in the above range, it is ensured that the second fin 130 and the adjacent first fin 120 have sufficient air flow, so that the heat on the first fin 120 and the heat on the second fin 130 are effectively discharged to the outside, and the heat dissipation performance of the heat sink 100 is improved.
A second aspect of the present application provides an electric device including a heat source to be cooled (not shown) including a first power consumption region having power consumption larger than that of a second power consumption region connected to a region of the base 110 having the second fin 130, and the heat sink 100 of any of the above embodiments.
It is understood that the first power consumption region is a high power consumption region of the heat source to be cooled, the second power consumption region is a low power consumption region of the heat source to be cooled, and the region of the base 110 having the second fin 130 is a high power consumption heat dissipation region of the base 110, i.e., the aforementioned second heat dissipation region 116.
The electrical devices include, but are not limited to, transformers, inverters, and the like.
Since the heat sink 100 of any of the above embodiments is employed in the above electrical apparatus, the manufacturing cost of the electrical apparatus is effectively reduced.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A heat radiator comprises a base and a plurality of first fins, wherein the base is used for being in contact with a heat source to be cooled, and the first fins are arranged on the base at intervals, and the heat radiator is characterized in that: the radiator further comprises at least one second fin, an inserting groove is formed in the base, the inserting groove is located between every two adjacent first fins, and the second fins are connected in the inserting groove.
2. The heat sink of claim 1, wherein: the base has first radiating area and second radiating area, be provided with a plurality of evenly arranging on the first radiating area first fin, be provided with a plurality of evenly arranging on the second radiating area first fin and adjacent two be provided with between the first fin the second fin.
3. The heat sink of claim 1 or 2, wherein: the base is provided with a first extrusion groove parallel to the insertion groove, the first extrusion groove is located between the insertion groove and the first fin, and the first extrusion groove is used for allowing an external extrusion piece to be placed in to extrude the second fin inserted into the insertion groove.
4. The heat sink of claim 3, wherein: the base is provided with a second extrusion groove parallel to the insertion groove, the second extrusion groove is located between the insertion groove and the first fin, the second extrusion groove and the first extrusion groove are respectively located on two opposite sides of the insertion groove, and the second extrusion groove is used for allowing an external extrusion part to be placed in to extrude the second fin inserted into the insertion groove.
5. The heat sink of claim 1 or 2, wherein: the inserting groove is provided with a groove cavity and a cavity opening, the cavity opening is communicated with the groove cavity and the surface of the base, which is far away from the heat source to be cooled, at least one end of the inserting groove is provided with an inserting opening which penetrates through the side wall of the base, and the width of the cavity opening is smaller than that of the groove cavity;
the second fin comprises a fin body and an inserting portion, the inserting portion is connected to one side of the fin body, the inserting portion is inserted into the groove cavity through the inserting port, and the fin body extends out of the groove cavity through the cavity opening.
6. The heat sink of claim 1 or 2, wherein: and a heat conduction layer is filled between the second fin and the wall of the inserting groove.
7. The heat sink of claim 1 or 2, wherein: the first fin is a phase change fin; and/or the second fin is a phase change fin.
8. The heat sink of claim 1 or 2, wherein: the base and each first fin are an integrated piece.
9. The heat sink of claim 1 or 2, wherein: the distance between the second fin and the adjacent first fin ranges from 2mm to 5 mm.
10. An electrical device, characterized by: the electric device includes a heat source to be cooled including a first power consumption region having a power consumption larger than that of a second power consumption region and a heat sink according to any one of claims 1 to 9, the first power consumption region being connected to a region of the base having the second fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221482343.2U CN217470648U (en) | 2022-06-14 | 2022-06-14 | Radiator and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221482343.2U CN217470648U (en) | 2022-06-14 | 2022-06-14 | Radiator and electrical equipment |
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| CN217470648U true CN217470648U (en) | 2022-09-20 |
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| CN202221482343.2U Active CN217470648U (en) | 2022-06-14 | 2022-06-14 | Radiator and electrical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116249335A (en) * | 2023-05-11 | 2023-06-09 | 天津锐新昌科技股份有限公司 | Aluminum alloy half-insert radiator and processing technology thereof |
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2022
- 2022-06-14 CN CN202221482343.2U patent/CN217470648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116249335A (en) * | 2023-05-11 | 2023-06-09 | 天津锐新昌科技股份有限公司 | Aluminum alloy half-insert radiator and processing technology thereof |
| CN116249335B (en) * | 2023-05-11 | 2023-08-04 | 天津锐新昌科技股份有限公司 | Aluminum alloy half-insert radiator and processing technology thereof |
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