CN210900122U - Water-cooling radiator, double-sided water-cooling assembly and power device - Google Patents
Water-cooling radiator, double-sided water-cooling assembly and power device Download PDFInfo
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- CN210900122U CN210900122U CN201921589863.1U CN201921589863U CN210900122U CN 210900122 U CN210900122 U CN 210900122U CN 201921589863 U CN201921589863 U CN 201921589863U CN 210900122 U CN210900122 U CN 210900122U
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Abstract
The utility model discloses a water-cooling radiator, two-sided water-cooling subassembly and power device, wherein water-cooling radiator is including casing, the water-cooling shrouding that is equipped with the rivers passageway and being located the casing, and the elastic component that both ends are connected with shells inner wall and water-cooling shrouding respectively, and the lateral wall of water-cooling shrouding is connected with the inside sliding seal of rivers passageway of casing, and the water-cooling shrouding is the heat-conducting plate. Through setting up the water-cooling shrouding into slidable heating panel, and then make under the compressive force effect of elastic component, can make water-cooling shrouding and the device that generates heat effectively laminate, and then make water-cooling radiator's radiating efficiency improve. On the other hand, the elastic piece is arranged, the shockproof effect is achieved, when external pressure is applied, extrusion to the heating device can be reduced, and the heating device is protected. Meanwhile, the automatic assembling device is simple in structure, convenient to assemble, easy to achieve automatic production, and capable of greatly saving labor cost, tool and clamp and the like.
Description
Technical Field
The utility model relates to an electron device heat dissipation technical field, in particular to water-cooling radiator, the utility model discloses still relate to a two-sided water-cooling subassembly including above-mentioned water-cooling radiator. The utility model discloses relate to a power device including above-mentioned two-sided water-cooling subassembly again.
Background
The main cooling methods of the existing electronic devices are as follows: natural convection and radiation of air, air cooling plate (forced air cooling with radiating fins), liquid cooling (forced indirect liquid cooling by water cooling plate), and evaporative cooling (heat pipe phase change cooling). Wherein the heat dissipation efficiency of evaporation cooling and liquid cooling is the highest. However, evaporative cooling is extremely small due to volume and cost constraints. In comparison, the water-cooled radiator has the advantages that the radiating substrate is small in size, the radiating system is compact in structure, and the water-cooled radiator is widely used in radiating occasions with high heat flux density.
The double-sided water cooling structure comprises a plurality of heating plates, fixing strips and U-shaped cooling pipes, the heating plates are arranged in parallel at intervals, the heating plates and the fixing strips are connected in a welding mode to form an integral radiator, the heating device is arranged between the adjacent heating plates, and cooling liquid cools the heating plates through the U-shaped cooling pipes, so that double sides of the heating device are cooled.
However, because two adjacent heat dissipation plates are welded and fixed, and two heat dissipation surfaces of the heat dissipation plates are fixedly connected with the surface, the heat dissipation plates cannot effectively contact with a heating device due to machining errors, and the heat dissipation efficiency of the water-cooled radiator is low.
Therefore, how to improve the heat dissipation efficiency of the water-cooled heat sink is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water-cooling radiator, this water-cooling radiator's radiating efficiency improves. The utility model also aims to provide a two-sided water-cooling subassembly including above-mentioned water-cooling radiator. The utility model discloses a still another purpose provides a power device including above-mentioned two-sided water-cooling subassembly.
In order to achieve the above object, the utility model provides a water-cooling radiator, including casing, the water-cooling shrouding that is equipped with the rivers passageway and being located in the casing, and both ends respectively with shells inner wall with the elastic component that the water-cooling shrouding is connected, the lateral wall of water-cooling shrouding with the casing the inside sliding seal of rivers passageway connects, the water-cooling shrouding is the heat-conducting plate.
Preferably, still include with rivers passageway bottom fixed connection's guide post, the elastic component cover is established on the guide post, the guide post with the elastic component is at least one, just guide post and elastic component one-to-one correspond.
Preferably, be equipped with the guide rail on the lateral wall of the at least relative both sides of rivers passageway, water-cooling shrouding lateral wall be equipped with the joint in spout on the guide rail, and can follow the perpendicular to rivers passageway's tank bottom direction slides.
Preferably, the lateral wall circumference of water-cooling shrouding is equipped with can with the sealing washer of rivers passageway lateral wall laminating.
Preferably, water through holes are formed in two ends of the shell and are through holes communicated with two ends of the water flow channel, a water through pipe is arranged at one end of each water through hole in the shell, and the outer side wall of each water through pipe can be sleeved with the inner body of the water through hole in the adjacent shell.
Preferably, the water-cooling sealing plate further comprises a limiting part for preventing the water-cooling sealing plate from being separated from the shell, the limiting part is installed on the shell, and the limiting part and the elastic part are respectively located on two opposite sides of the water-cooling sealing plate.
The utility model provides a two-sided water-cooling subassembly, including water injection well choke, base water-cooling board and with the water cooled radiator that base water-cooling board is connected, water cooled radiator with form the first heat dissipation chamber that is used for placing the device that generates heat between the base water-cooling board, water cooled radiator is above-mentioned arbitrary any water cooled radiator, the water injection well choke includes water inlet nozzle and faucet, the water inlet nozzle with the faucet with all install on the casing, and with rivers passageway intercommunication.
Preferably, the water-cooling radiator is a plurality of, water-cooling radiator superposes in proper order, and is a plurality of form the second heat dissipation chamber that is used for placing the device that generates heat between the water-cooling radiator.
Preferably, first heat dissipation chamber with the second heat dissipation intracavity all is equipped with the heat-conducting plate and is used for the joint to generate heat the locating support of device, the heat-conducting plate is including being located respectively the first heat conduction gasket and the second heat conduction gasket of the relative both sides of locating support, heat conduction silicone grease has all been paintd on first heat conduction gasket and second heat conduction gasket surface, first heat conduction gasket or the second heat conduction gasket with the water-cooling shrouding relatively fixed.
A power device comprises a double-sided water cooling device and a heating device installed in the double-sided water cooling device, wherein the double-sided water cooling device is any one of the double-sided water cooling device.
In the technical scheme, the utility model provides a water-cooling radiator includes casing, the water-cooling shrouding that is equipped with the rivers passageway and is located the casing, and the elastic component that both ends are connected with shells inner wall and water-cooling shrouding respectively, and the lateral wall of water-cooling shrouding is connected with the inside sliding seal of the rivers passageway of casing, and the water-cooling shrouding is the heat-conducting plate. When needs dispel the heat to the device that generates heat, with water-cooling shrouding and the device laminating installation that generates heat, the device that generates heat presses the water-cooling shrouding inwards, and the elastic component is compressed, the device that generates heat and the laminating of water-cooling shrouding.
According to the above description, in the water-cooling radiator provided by the application, the water-cooling sealing plate is arranged to be the slidable heating plate, so that the water-cooling sealing plate can be effectively attached to the heating device under the action of the compression force of the elastic piece, and the heat dissipation efficiency of the water-cooling radiator is improved. On the other hand, the elastic piece is arranged, the shockproof effect is achieved, when external pressure is applied, extrusion to the heating device can be reduced, and the heating device is protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power device according to an embodiment of the present invention;
FIG. 2 is an exploded view of the power device of FIG. 1;
fig. 3 is a cooling water flow diagram of a power device provided by an embodiment of the present invention;
fig. 4 is an exploded view of a water-cooled heat sink according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a water-cooled heat sink according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a power device assembled by a plurality of heat generating devices according to an embodiment of the present invention.
Wherein in FIGS. 1-6: 1-a base water cooling plate, 2-a first heat conduction gasket, 3-a positioning bracket, 4-a heating device and 5-a second heat conduction gasket;
6-water-cooling radiator, 61-shell, 62-elastic element, 63-sealing ring, 64-water-cooling closing plate, 65-guide column, 66-guide rail, 67-sliding groove, 68-water pipe and 69-limiting element;
7-water nozzle, 71-water outlet nozzle and 72-water inlet nozzle.
Detailed Description
The core of the utility model is to provide a water-cooling radiator, this water-cooling radiator's radiating efficiency improves. The other core of the utility model is to provide a two-sided water-cooling subassembly including above-mentioned water-cooling radiator. The utility model discloses a still another core provides a power device including above-mentioned two-sided water-cooling subassembly.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 6.
In a specific embodiment, the embodiment of the present invention provides a water-cooled heat sink, which comprises a housing 61 with a water channel, a water-cooled sealing plate 64 and an elastic member 62 located inside the housing 61 and having two ends respectively connected to the inner wall of the housing 61 and the water-cooled sealing plate 64.
Wherein the elastic member 62 is preferably a spring. The number of the elastic members 62 may be one, and in order to improve the motion stability of the water-cooling sealing plate 64, it is preferable that at least two elastic members 62 are provided, and the plurality of elastic members 62 are uniformly distributed in the water flow passage. In a specific embodiment, the water-cooled heat sink further comprises guide posts 65 fixedly connected with the bottom of the water flow channel, the elastic members 62 are sleeved on the guide posts 65, the guide posts 65 and the elastic members 62 are multiple, and the guide posts 65 correspond to the elastic members 62 one by one. The elastic piece 62 enables the plurality of heating devices to be evenly stressed; the elastic member 62 is freely extended and contracted in the direction of the guide post 65 of the housing 61. The guide post 65 guides the movement of the elastic member 62, and prevents the water-cooling seal plate 64 from contacting the bottom of the water flow passage and preventing the water from flowing therethrough.
The side wall of the water-cooling closing plate 64 is connected with the inside of the water flow passage of the housing 61 in a sliding and sealing manner, and the water-cooling closing plate 64 is a heat-conducting plate. Specifically, the water flow channel can be of a whole cavity structure and can be internally provided with a guide plate. The side wall circumference of water-cooling shrouding 64 is equipped with the sealing washer 63 that can laminate with the rivers passageway lateral wall. Specifically, the side wall of the water-cooling sealing plate 64 is provided with a groove for installing the sealing ring 63. When the water-cooling sealing plate 64 slides, the sealing ring 63 is prevented from being separated from the water-cooling sealing plate 64.
When needs dispel the heat to device 4 that generates heat, with the installation of laminating of water-cooling shrouding 64 and device 4 that generates heat, device 4 that generates heat is pressed water-cooling shrouding 64 inwards, and elastic component 62 is compressed, and device 4 that generates heat laminates with water-cooling shrouding 64.
As can be seen from the above description, in the water-cooled heat sink provided in the embodiment of the present application, the water-cooled sealing plate 64 is configured as a slidable heat dissipation plate body structure, so that under the compressive force of the elastic member 62, the water-cooled sealing plate 64 can be effectively attached to the heat generating device 4. Thereby improving the heat radiation efficiency of the water-cooled heat radiator 6.
On the other hand, the elastic member 62 is provided to play a role in shock resistance, so that when external pressure is applied, the extrusion of the heat generating device 4 can be reduced, and the heat generating device 4 can be protected.
The elastic member 62 is used to assist the heating device 4 to press to the best stress point, so as to ensure the best heat dissipation during the heating period and improve the power density. Meanwhile, according to the different thicknesses of the heating devices 4, the positions of the water-cooling seal plates 64 pressed by the heating devices 4 are different relative to the water flow channel, and therefore the platform structure is compatible with the size difference of various heating devices 4.
In order to make the water flow channel slide stably, preferably, at least two opposite side walls of the water flow channel are provided with guide rails 66, and the side walls of the water-cooling sealing plate 64 are provided with sliding grooves 67 clamped on the guide rails 66 and can slide along the direction perpendicular to the bottom of the water flow channel. As shown in fig. 5, the water-cooled closing plate 64 moves left and right within the housing 61 along the housing 61 itself designed guide rails 66. Preferably, the corners of the guide rails 66 are in arc transition, and when the guide rails 66 are installed, the slide grooves 67 are matched.
Specifically, casing 61 both ends all are equipped with the water hole of crossing with rivers passageway intercommunication, cross the through-hole of water hole for intercommunication rivers passageway both ends, and the water hole one end of crossing is equipped with water pipe 68 on casing 61, and water pipe 68's lateral wall can cross the water hole endosome with adjacent casing 61 and cup joint. As shown in fig. 6, when a plurality of water-cooled heat sinks 6 are used, the plurality of water-cooled heat sinks 6 may be sequentially inserted, and one of the water pipes 68 is inserted into the water through hole of the other housing 61. When one water through hole is used as a water inlet hole, the other water through hole is used as a water outlet hole.
In one embodiment, the water-cooled heat sink further includes a stopper 69 for preventing the water-cooled sealing plate 64 from being separated from the housing 61, and the stopper 69 and the elastic member 62 are respectively located at two opposite sides of the water-cooled sealing plate 64. Specifically, the number of the limiting members 69 may be two or three, the limiting members 69 are mounted on the housing 61, the limiting members 69 may be welded to the housing 61, or the limiting members 69 are mounted on the housing 61 as threaded fasteners, as long as the water-cooling sealing plate 64 is limited. The water-cooling closing plate 64 and the housing 61 adopt a stopper 69 to ensure the tightness of the water flow passage.
The application provides a pair of two-sided water cooling module, including water injection well choke 7, base water-cooling board 1 and the water-cooling radiator 6 of being connected with base water-cooling board 1, preferably, a water inlet and a delivery port of base water-cooling board 1 and water-cooling radiator 6 sharing, base water-cooling board 1 and water-cooling radiator 6 intercommunication setting. The water nozzle 7 comprises a water inlet nozzle 72 and a water outlet nozzle 71, and the water inlet nozzle 72 and the water outlet nozzle 71 are both mounted on the shell 61 and are communicated with the water flow channel. The water nozzle 7 can be sealed by adopting glue to be matched with the water-cooling radiator 6. A first heat dissipation cavity for placing the heating device 4 is formed between the water-cooled radiator 6 and the base water-cooled plate 1, wherein the water-cooled radiator 6 is any one of the water-cooled radiators 6. The foregoing describes the specific structure of the water-cooled heat sink 6, and the present application includes the water-cooled heat sink 6, which also has the above technical effects.
As shown in fig. 3, the cooling liquid enters the cavity of the double-sided water-cooling component from the water inlet nozzle 72 on one side and is divided into two parts, the heat in the water-cooling radiator 6 and the base water-cooling plate 1 is combined into one through the cooling liquid to the water outlet cavity, and flows out from the water outlet cavity to the water outlet nozzle 71 on the other side; one side is compressed to the heating device 4 to the other side heat dissipation structure through the elastic part 62 by water cooling, so that the optimal stress on the surfaces of the heating device 4 and the two side heat dissipation structures is ensured, and the heat dissipation capability of the product and the power density of the product are improved by adopting a double-sided water cooling structure.
As shown in fig. 6, the number of the water-cooled heat sinks 6 is multiple, the water-cooled heat sinks 6 are stacked in sequence, and a second heat dissipation cavity for placing the heat generating device 4 is formed between the multiple water-cooled heat sinks 6.
Further, all be equipped with the heat-conducting plate in first heat dissipation chamber and the second heat dissipation intracavity and be used for the joint to generate heat locating support 3 of device 4, the heat-conducting plate is including being located the relative both sides of locating support 3 first heat conduction gasket 2 and second heat conduction gasket 5 respectively, and first heat conduction gasket 2 and 5 surfaces of second heat conduction gasket have all been paintd heat conduction silicone grease, first heat conduction gasket 2 or second heat conduction gasket 5 and water-cooling shrouding 64 relatively fixed. In order to improve the heat dissipation effect, the heat conducting plate is preferably a ceramic gasket.
When the assembling machine works, as shown in fig. 2, the positioning bracket 3 fixes the base water cooling plate 1 and the first heat-conducting gasket 2 together, and the first heat-conducting gasket 2 transmits heat on one surface of the heating device 4 to the surface of the base water cooling plate 1 by using heat-conducting silicone grease on two surfaces to dissipate heat; the second heat conducting gasket 5 transfers the heat on the other side of the heating device 4 to the surface of the water-cooled radiator 6 for heat dissipation through the heat conducting silicone grease on the two sides.
Wherein, the positioning bracket 3 can be provided with a plurality of mounting grooves for clamping the heating device 4. To avoid electrical conduction, the positioning bracket 3 is preferably a plastic part. The positioning bracket 3 is arranged to fix the heating device 4, so that the assembly precision of the product can be quickly and effectively improved; when the heating device 4 is maintained, only the damaged heating device 4 is needed to be replaced, and the whole heating device is not needed to be replaced, so that the after-sale cost is reduced. The automatic assembling device is simple in structure, convenient to assemble, easy to realize automatic production, and capable of greatly saving labor cost, tool and clamp and the like.
The application provides a power device, including two-sided water cooling plant and install the device 4 that generates heat in two-sided water cooling plant, wherein the device 4 that generates heat can be the IBGT module, and two-sided water cooling plant is any kind of two-sided water cooling plant of above-mentioned. The foregoing describes a specific structure of the double-sided water cooling device, and the present application includes the double-sided water cooling device, and also has the technical effects described above.
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 (10)
1. The utility model provides a water-cooling radiator, its characterized in that, including casing (61), water-cooling shrouding (64) that are equipped with the rivers passageway and being located in casing (61), and both ends respectively with casing (61) inner wall with elastic component (62) that water-cooling shrouding (64) are connected, the lateral wall of water-cooling shrouding (64) with casing (61) rivers passageway inner wall sliding seal connects, water-cooling shrouding (64) are the heat-conducting plate.
2. The water-cooled radiator of claim 1, further comprising a guide post (65) fixedly connected with the bottom of the water flow channel, wherein the elastic member (62) is sleeved on the guide post (65), the number of the guide post (65) and the number of the elastic member (62) are at least one, and the guide post (65) and the elastic member (62) are in one-to-one correspondence.
3. The water-cooled radiator of claim 1, wherein the side walls of at least two opposite sides of the water flow channel are provided with guide rails (66), and the side walls of the water-cooled closing plate (64) are provided with sliding grooves (67) clamped on the guide rails (66) and can slide along the direction perpendicular to the bottom of the water flow channel.
4. The water-cooled radiator as claimed in claim 1, wherein the side wall of the water-cooled closing plate (64) is provided with a sealing ring (63) which can be attached to the side wall of the water flow channel.
5. The water-cooled heat sink as recited in claim 1, wherein water through holes are formed at both ends of the housing (61), the water through holes are through holes communicating with both ends of the water flow channel, a water through pipe (68) is formed at one end of the water through holes on the housing (61), and the outer side wall of the water through pipe (68) can be sleeved with the inner body of the water through hole on the adjacent housing (61).
6. The water-cooled heat sink according to any one of claims 1-5, further comprising a stopper (69) for preventing the water-cooled closing plate (64) from being detached from the housing (61), wherein the stopper (69) is mounted on the housing (61), and the stopper (69) and the elastic member (62) are respectively located on two opposite sides of the water-cooled closing plate (64).
7. The utility model provides a two-sided water-cooling subassembly, including water injection well choke (7), base water-cooling board (1) and with water-cooling radiator (6) that base water-cooling board (1) is connected, water-cooling radiator (6) with form the first heat dissipation chamber that is used for placing heating device (4) between base water-cooling board (1), its characterized in that, water-cooling radiator (6) be any one of claim 1-6 water-cooling radiator (6), water injection well choke (7) include inlet nozzle (72) and faucet (71), inlet nozzle (72) with faucet (71) with all install on casing (61), and with rivers passageway intercommunication.
8. The double-sided water cooling assembly according to claim 7, wherein the number of the water cooling radiators (6) is multiple, the water cooling radiators (6) are sequentially stacked, and a second heat dissipation cavity for placing a heat generating device (4) is formed between the multiple water cooling radiators (6).
9. The double-sided water cooling assembly according to claim 8, wherein the first heat dissipation cavity and the second heat dissipation cavity are both provided with heat conduction plates and positioning supports (3) used for clamping and connecting the heating devices (4), each heat conduction plate comprises a first heat conduction gasket (2) and a second heat conduction gasket (5) which are respectively positioned at two opposite sides of the corresponding positioning support (3), heat conduction silicone grease is smeared on the surfaces of the first heat conduction gasket (2) and the second heat conduction gasket (5), and the first heat conduction gasket (2) or the second heat conduction gasket (5) and the water cooling sealing plate (64) are fixed relatively.
10. A power plant comprising a double-sided water cooling apparatus and a heat generating device (4) installed in the double-sided water cooling apparatus, characterized in that the double-sided water cooling apparatus is the double-sided water cooling apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589863.1U CN210900122U (en) | 2019-09-23 | 2019-09-23 | Water-cooling radiator, double-sided water-cooling assembly and power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589863.1U CN210900122U (en) | 2019-09-23 | 2019-09-23 | Water-cooling radiator, double-sided water-cooling assembly and power device |
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| CN210900122U true CN210900122U (en) | 2020-06-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799238A (en) * | 2020-07-10 | 2020-10-20 | 东风汽车集团有限公司 | Double-sided water-cooling IGBT radiator and radiating installation structure thereof |
| CN112582359A (en) * | 2020-12-07 | 2021-03-30 | 佛山市国星光电股份有限公司 | Support and power module |
| CN112963913A (en) * | 2021-04-06 | 2021-06-15 | 赵铎 | Cold beam and manufacturing method thereof |
| CN113206053A (en) * | 2021-04-28 | 2021-08-03 | 北京新能源汽车技术创新中心有限公司 | Heat dissipation device, power module and vehicle |
| CN114245684A (en) * | 2021-12-24 | 2022-03-25 | 武汉大学 | Heat dissipation device and heat dissipation system |
-
2019
- 2019-09-23 CN CN201921589863.1U patent/CN210900122U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799238A (en) * | 2020-07-10 | 2020-10-20 | 东风汽车集团有限公司 | Double-sided water-cooling IGBT radiator and radiating installation structure thereof |
| CN112582359A (en) * | 2020-12-07 | 2021-03-30 | 佛山市国星光电股份有限公司 | Support and power module |
| CN112963913A (en) * | 2021-04-06 | 2021-06-15 | 赵铎 | Cold beam and manufacturing method thereof |
| CN113206053A (en) * | 2021-04-28 | 2021-08-03 | 北京新能源汽车技术创新中心有限公司 | Heat dissipation device, power module and vehicle |
| CN113206053B (en) * | 2021-04-28 | 2023-10-31 | 北京国家新能源汽车技术创新中心有限公司 | Heat abstractor, power module and vehicle |
| CN114245684A (en) * | 2021-12-24 | 2022-03-25 | 武汉大学 | Heat dissipation device and heat dissipation system |
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