CN108633233A - Liquid cooling heat radiator and power electronic equipment - Google Patents
Liquid cooling heat radiator and power electronic equipment Download PDFInfo
- Publication number
- CN108633233A CN108633233A CN201810714369.7A CN201810714369A CN108633233A CN 108633233 A CN108633233 A CN 108633233A CN 201810714369 A CN201810714369 A CN 201810714369A CN 108633233 A CN108633233 A CN 108633233A
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- liquid
- seal
- liquid cooling
- face
- guiding cavity
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- 239000007788 liquid Substances 0.000 title claims abstract description 251
- 238000001816 cooling Methods 0.000 title claims abstract description 198
- 239000002826 coolant Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000306 component Substances 0.000 description 30
- 238000010586 diagram Methods 0.000 description 8
- 230000005855 radiation Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention provides a kind of liquid cooling heat radiator and power electronic equipment, the liquid cooling heat radiator includes liquid cooling plate, sealing element, wherein：The sealing element includes first seal and second seal；There is at least one set of cooling passage on the liquid cooling plate, each cooling passage includes the second port of the first port of the first end face positioned at the liquid cooling plate and the second end face positioned at the liquid cooling plate, and the first end face of the coolant plates and second end face are towards on the contrary；The first seal is sealedly connected on outside the first port of the cooling passage, and the second seal is sealedly connected on outside the second port of the cooling passage；There is inlet and liquid outlet, and the inlet is connected to liquid outlet by the cooling passage on the sealing element.By the present invention in that cooling passage runs through two opposite end faces of liquid cooling plate, the technique threshold and production cost of liquid cooling heat radiator are reduced, production efficiency is improved.
Description
Technical field
The present invention relates to liquid-cooling heat radiation fields, more specifically to a kind of liquid cooling heat radiator and power electronic equipment.
Background technology
It in the electronic device, need to be by related device to ensure reliable system, stable operation and extending service life of equipment
The heat that operation generates is taken away in time.Since the thermal conductivity of liquid is higher than air, many electronic equipments are dissipated using liquid cooling
Hot systems radiate.
Liquid cooling plate is the core component of liquid cooling heat radiation system, absorbs electronic device (such as power device) by liquid cooling plate
Fever, the quality of performance directly influences the efficiency of cooling system.Rational structure and reliable manufacturing process are liquid coolings
The guarantee of plate performance and quality.
In the liquid cooling heat radiation system of existing frequency converter, the inlet and liquid outlet of liquid cooling plate are located at homonymy and (inlet tube and go out
Liquid pipe is then welded on liquid cooling plate).Cooling passage in above-mentioned liquid cooling plate is then process by gun drilling technique.
However, the processing technologys such as gun drilling, welding, pressure pipe that above-mentioned liquid cooling plate uses, the doors such as the manufacturing and assembly
Sill and cost are relatively high.Also, using the above structure and technique due to liquid cooling plate, cause coolant liquid in the coolant liquid of liquid cooling plate
Parallel connection is flowed through in channel, and heat dissipation effect is relatively poor.
Invention content
The technical problem to be solved in the present invention is, higher for above-mentioned liquid cooling heat radiation system complex process, production cost
The problem of, a kind of liquid cooling heat radiator and power electronic equipment are provided.
The technical solution that the present invention solves above-mentioned technical problem is to provide a kind of liquid cooling heat radiator, including liquid cooling plate, sealing
Part, wherein：
The sealing element includes first seal and second seal, has at least one set of coolant liquid logical on the liquid cooling plate
Road, each cooling passage include positioned at the liquid cooling plate first end face first port and be located at the liquid cooling plate
Second end face second port, and the first end face of the coolant plates and second end face are towards opposite；First sealing
Part is sealedly connected on outside the first port of the cooling passage, and the second seal is sealedly connected on the cooling passage
Second port outside；There is inlet and liquid outlet, and the inlet and liquid outlet pass through the cooling on the sealing element
Liquid channel is connected to.
In liquid cooling heat radiator of the present invention, the cooling passage is process by aluminium extrusion technique.
In liquid cooling heat radiator of the present invention, the inlet is located at the first seal, the liquid outlet position
In the second seal；There is n group cooling passages, the n is odd number more than or equal to 3, and institute on the liquid cooling plate
N groups cooling passage is stated to be connected in series between the inlet and liquid outlet.
In liquid cooling heat radiator of the present invention, in the first seal have (n-1)/2 first liquid guiding cavity and
One third liquid guiding cavity has (n-1)/2 second liquid guiding cavity and the 4th liquid guiding cavity in the second seal；Described
Three liquid guiding cavities are connected to the first port of first group of cooling passage, and (n-1)/2 first liquid guiding cavity makes subsequently successively
The first ports of n-1 group cooling passages be connected to two-by-two；4th liquid guiding cavity and the second of last group of cooling passage
Port is connected to, and (n-1)/2 second liquid guiding cavity makes the second port of the n-1 group cooling passages of front side connect two-by-two successively
It is logical.
In liquid cooling heat radiator of the present invention, the first seal and second seal are added by plastic material respectively
Work forms；The first seal is fixed to the first end face of the liquid cooling plate, and the first seal and the by screw
There are multiple first O-ring seals, and the multiple first O-ring seal is respectively around first liquid guiding cavity between end face
It is arranged with the opening of third liquid guiding cavity；The second seal is fixed to the second end face of the liquid cooling plate, and institute by screw
Stating has multiple second O-ring seals between second seal and second end face, and the multiple second O-ring seal distinguishes ring
It is arranged around the opening of second liquid guiding cavity and the 4th liquid guiding cavity.
In liquid cooling heat radiator of the present invention, the first seal and second seal are added by Metal plate respectively
Work forms；The first seal is fixed to the first end face of the liquid cooling plate by screw, and has in the first seal
There are multiple first gasket seals, and the multiple first gasket seal is respectively around first liquid guiding cavity and third liquid guiding cavity
Opening setting；The second seal is fixed to the second end face of the liquid cooling plate by screw, and in the second seal
With multiple second gasket seals, and the multiple second gasket seal is respectively around second liquid guiding cavity and the 4th liquid guiding cavity
Opening setting.
In liquid cooling heat radiator of the present invention, the first seal include (n-1)/2 first metal plate component and
One third metal plate component, and there is inlet and third liquid guiding cavity, each first metal plate on the third metal plate component
There are one the first liquid guiding cavities for tool on component；The second seal includes (n-1)/2 second metal plate component and the 4th metal plate
Gold part, and have on the 4th metal plate component on liquid outlet and the 4th liquid guiding cavity, each second metal plate component and have
One the second liquid guiding cavity；The first metal plate component and third metal plate component are welded to the first end face of the liquid cooling plate,
The second metal plate component and the 4th metal plate component are welded to the second end face of the liquid cooling plate.
In liquid cooling heat radiator of the present invention, each group of cooling passage includes one or more through-holes, and each
The through-hole runs through the first end face and second end face of the liquid cooling plate.
There are multiple axial settings in liquid cooling heat radiator of the present invention, on the side wall of the through-hole and through described
The first end face of liquid cooling plate and the groove of second end face.
The present invention also provides a kind of power electronic equipments, including liquid cooling heat radiator as described above.
The liquid cooling heat radiator and power electronic equipment of the present invention, by keeping cooling passage opposite through two of liquid cooling plate
End face, reduce the technique threshold and production cost of liquid cooling heat radiator, improve production efficiency.And the present invention passes through string
The cooling passage of flow pattern improves heat-sinking capability.
Description of the drawings
Fig. 1 is the schematic diagram of liquid cooling heat radiator embodiment of the present invention；
Fig. 2 is the schematic diagram in the section of cooling passage in liquid cooling heat radiator embodiment of the present invention；
Fig. 3 is that coolant liquid flows to schematic diagram in liquid cooling heat radiator embodiment of the present invention；
Fig. 4 is the schematic diagram of first seal in liquid cooling heat radiator embodiment of the present invention；
Fig. 5 is first solid between first seal, second seal and liquid cooling plate in liquid cooling heat radiator embodiment of the present invention
Determine the schematic diagram of structure；
Fig. 6 is second solid between first seal, second seal and liquid cooling plate in liquid cooling heat radiator embodiment of the present invention
Determine the schematic diagram of structure；
Fig. 7 is second solid between first seal, second seal and liquid cooling plate in liquid cooling heat radiator embodiment of the present invention
Determine the schematic diagram of structure.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, being the schematic diagram of liquid cooling heat radiator embodiment of the present invention, which can be applied to electronics and sets
It is standby, realize the heat dissipation of related elements.Liquid cooling heat radiator in the present embodiment includes liquid cooling plate 1 and sealing element, and above-mentioned sealing
Part specifically may include first seal 2 and second seal 3, and above-mentioned liquid cooling plate 1 includes first end face and second end face, and on
The direction for stating first end face and second end face is opposite.
There is at least one set of cooling passage 11, each group of cooling passage 11 to run through liquid cooling plate 1 on above-mentioned liquid cooling plate 1,
And include the second port of the first port for the first end face for being located at liquid cooling plate 1 and the second end face positioned at liquid cooling plate.It is above-mentioned
First seal 2 is sealedly connected on outside the first port of cooling passage 11, and it is logical that second seal 3 is then sealedly connected on coolant liquid
Outside the second port in road 11.There is inlet 21 and liquid outlet 31, and inlet 21 and liquid outlet 31 pass through cooling on sealing element
Liquid channel 11 is connected to.In the present embodiment, inlet 21 is located at first seal 2, and liquid outlet 31 is then located at second seal 3
(in a particular application, inlet 21 and liquid outlet 31 can be located at first seal 2 simultaneously, or be located at second seal 3 simultaneously).
By above structure, coolant liquid (such as water or other refrigerants) can be flowed by the inlet 21 of first seal 2,
After the cooling passage 11 for flowing through liquid cooling plate 1, flowed out from the liquid outlet 31 of second seal 3, to take away the heat on liquid cooling plate 1
It measures (heater element can be installed on liquid cooling plate 1).
Above-mentioned liquid cooling heat radiator by make cooling passage 11 run through liquid cooling plate 1 two opposite end faces, without
Gun drilling technique can process cooling passage, can significantly reduce the technique threshold and production cost of liquid cooling heat radiator, carry
High production efficiency.
Particularly, the cooling passage 11 on above-mentioned liquid cooling plate 1 can be process by aluminium extrusion technique, correspondingly, liquid
Cold plate 1 can be used aluminum or aluminum alloy material and be made.Since the cooling passage 11 on liquid cooling plate 1 passes through aluminium extrusion technique one
Molding can not only simplify technique, save manpower, be cost-effective, and can cooling passage be processed into arbitrary institute as needed
Need shape.
In specific implementation, each group of cooling passage 11 on above-mentioned liquid cooling plate 1 may include a through-hole 111, and should
Through-hole 111 is extended through the second end face of the liquid cooling plate 1 by the first end face of liquid cooling plate 1.Coolant liquid adjacent on liquid cooling plate 1 at this time
The flow direction of coolant liquid is opposite in channel 11.In addition, each group of cooling passage 11 on liquid cooling plate 1 may also comprise multiple through-holes
111 (multiple through-hole 111 can specifically be arranged in parallel), and each through-hole extends through liquid cooling plate 1 by the first end face of liquid cooling plate 1
Second end face, flowing to for coolant liquid in same group of cooling passage 11 are identical.
The section of above-mentioned through-hole 111 can be round, ellipse or other any shapes, and more on same liquid cooling plate 11
The shape of a through-hole 111 can be identical, also can be different.Also, in order to increase the contact area of coolant liquid and liquid cooling plate 1, such as Fig. 2
It is shown, there can be multiple grooves 112 being axially arranged on the side wall of above-mentioned through-hole 111.For ease of processing (such as aluminium extrusion work
Skill is molded), above-mentioned groove 112 can extend through second end face from the first end face of liquid cooling plate 1.
To improve the heat exchanger effectiveness of coolant liquid and liquid cooling plate 1, there is 11 (n of n groups cooling passage on above-mentioned liquid cooling plate 1
For the odd number more than or equal to 3, inlet 21 is located at first seal 2 at this time, and liquid outlet 31 is then located at second seal 3), and
N groups cooling passage 11 is connected in series between inlet 21 and liquid outlet 31.As shown in figure 3, arrow be coolant liquid in liquid cooling
Flow direction in radiator, coolant liquid is after the entrance of the inlet 21 (upper left side) of first seal 2, through first group of cooling
The second seal 3 on the flow direction right side of liquid channel 11, and flowed to the left after being transferred to second group of cooling passage 11 by second seal 3
Enter first seal 2, first seal 2 makes coolant liquid enter third group cooling passage again, repeatedly, until coolant liquid from
Liquid outlet 31 (lower right) outflow in second seal 3.
To realize being connected in series with for multigroup cooling passage 11, as shown in figure 4, can have (n- in above-mentioned first seal 2
1)/2 the first liquid guiding cavity 22 and a third liquid guiding cavity 23, and mutually isolated, the first drain between multiple first liquid guiding cavities 22
It is mutually isolated between chamber 22 and third liquid guiding cavity 23；Then there is (n-1)/2 second liquid guiding cavity 32 and one in second seal 3
A 4th liquid guiding cavity 33, and between multiple second liquid guiding cavities 32 between mutually isolated, the second liquid guiding cavity 32 and the 4th liquid guiding cavity 33
It is mutually isolated.
When first seal 2 is installed to liquid cooling plate 1, above-mentioned third liquid guiding cavity 23 and first group of 11 (example of cooling passage
Such as the cooling passage 11 of the top of liquid cooling plate 1 in Fig. 3) first port connection, and (n-1)/2 first liquid guiding cavity 22
So that the first port of subsequent n-1 groups cooling passage is connected to two-by-two successively, for example, make in Fig. 3 second and third group coolant liquid it is logical
The first port in road 11 is connected to, the 4th is connected to the first port of the 5th group of cooling passage 11, the 6th and the 7th group of coolant liquid
The first port in channel 11 is connected to.
Correspondingly, when second seal 3 is installed to liquid cooling plate 1, the 4th liquid guiding cavity 33 and last group of cooling passage
The second port connection of 11 cooling passage 11 of the bottom of liquid cooling plate 1 (such as in Fig. 3), (n-1)/2 second liquid guiding cavity
32 make the second port of the n-1 group cooling passages of front side be connected to two-by-two successively, such as make first and second groups of coolant liquids in Fig. 3
The second port in channel 11 is connected to, the second port of third and fourth group of cooling passage 11 is connected to, the 5th and the 6th group of cooling
The second port in liquid channel 11 is connected to.
By above structure, it can be achieved that the steering of coolant liquid, to realize the series connection of cooling passage 11.In this way, cooling
Liquid can in liquid cooling plate 1 Tortuous flow, improve radiating surface on even temperature effect.
Particularly, above-mentioned first seal 2 and second seal 3 can structure having the same, and it is solid in the opposite direction
Surely the both ends of liquid cooling plate 1 are arrived.With this configuration, the die sinking cost of radiator can be reduced.
Above-mentioned first seal 2 and second seal 3 may respectively be the integral component being process by plastic material, i.e., and
One sealing element 2 is an integral component, second seal 3 is also an integral component.
At this point, as shown in figure 5, first seal 2 is fixed to the first end face of liquid cooling plate 1, and the first sealing by screw
There are multiple first O-ring seals 4, and multiple first O-ring seal 4 is led around first respectively between part 2 and first end face
The opening of sap cavity 22 and third liquid guiding cavity 23 is arranged.In this way, it is ensured that first seal 2 is close with the first end face of liquid cooling plate 1
Envelope connection, avoids coolant liquid from leaking and avoid coolant liquid to flow into unscheduled cooling passage 11.
Similarly, second seal 3 is fixed to the second end face of liquid cooling plate 1, and second seal 3 and the by screw
There are multiple second O-ring seals 5, and multiple second O-ring seals 5 are respectively around the second liquid guiding cavity 32 and the between biend
The opening of four liquid guiding cavities 33 is arranged.By this way, it is ensured that second seal 3 and the sealing of the second end face of liquid cooling plate 1 connect
It connects, coolant liquid is avoided to leak and avoid coolant liquid to flow into unscheduled cooling passage 11.
Above-mentioned first seal 2 and second seal 3 also may respectively be the integral component being process by Metal plate, i.e.,
First seal 2 is an integral component, second seal 3 is also an integral component.
At this point, as shown in fig. 6, first seal 2 is fixed to the first end face of liquid cooling plate 1, first seal 1 by screw
Upper have multiple first gasket seals, and multiple first gasket seals are respectively around the first liquid guiding cavity 22 and third liquid guiding cavity 23
Opening setting.In this way, it is ensured that the sealed connection of the first end face of first seal 2 and liquid cooling plate 1, avoid coolant liquid leakage with
And coolant liquid is avoided to flow into unscheduled cooling passage 11.
Similarly, second seal 3 is fixed to the second end face of liquid cooling plate 1 by screw, has in second seal 3
Multiple second gasket seals 7, and multiple second gasket seals 7 are respectively around second liquid guiding cavity, 32 and the 4th liquid guiding cavity 33
Opening setting.In this way, it is ensured that the sealed connection of second seal 3 and the second end face of liquid cooling plate 1 avoids coolant liquid from leaking
And coolant liquid is avoided to flow into unscheduled cooling passage 11.
Above-mentioned first seal 2 and second seal 3 can be also made of multiple separate pieces respectively.Specifically, such as Fig. 7 institutes
Show, first seal 2 includes (n-1)/2 first metal plate component 25 and a third metal plate component 26, and third metal plate component
There is on inlet 21 and third liquid guiding cavity 23, every one first metal plate component 25 first liquid guiding cavity 22 there are one having on 26.
Similarly, second seal 3 may include (n-1)/2 the second metal plate component 35 and the 4th metal plate component 36,
And the 4th has on liquid outlet 31 and the 4th liquid guiding cavity 33, every one second metal plate component 35 tool on metal plate component 36 there are one the
Two liquid guiding cavities 32.Above-mentioned first metal plate component 25 and third metal plate component 26 are welded to the first end face of liquid cooling plate 1, and second
Metal plate component 35 and the 4th metal plate component 36 are then welded to the second end face of liquid cooling plate 1.
The present invention also provides a kind of power electronic equipment, which is specifically as follows rectifier, inverter, change
Frequency device etc. comprising power cell and liquid cooling heat radiator as described above, and radiated for power component by liquid cooling heat radiator.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (10)
1. a kind of liquid cooling heat radiator, which is characterized in that including liquid cooling plate, sealing element, wherein：
The sealing element includes first seal and second seal, has at least one set of cooling passage on the liquid cooling plate,
Each cooling passage include positioned at the liquid cooling plate first end face first port and positioned at the liquid cooling plate
The second port of second end face, and the first end face of the coolant plates and second end face are towards on the contrary；The first seal
It is sealedly connected on outside the first port of the cooling passage, the second seal is sealedly connected on the cooling passage
Outside second port；There is inlet and liquid outlet, and the inlet and liquid outlet pass through the coolant liquid on the sealing element
Channel is connected to.
2. liquid cooling heat radiator according to claim 1, which is characterized in that the cooling passage is added by aluminium extrusion technique
Work forms.
3. liquid cooling heat radiator according to claim 1, which is characterized in that the inlet is located at the first seal,
The liquid outlet is located at the second seal；It is more than or equal to 3 to have n group cooling passages, the n on the liquid cooling plate
Odd number, and the n groups cooling passage is connected in series between the inlet and liquid outlet.
4. liquid cooling heat radiator according to claim 3, which is characterized in that there is (n-1)/2 in the first seal
First liquid guiding cavity and a third liquid guiding cavity have (n-1)/2 second liquid guiding cavity and one the 4th in the second seal
Liquid guiding cavity；The third liquid guiding cavity is connected to the first port of first group of cooling passage, and (n-1)/2 first drain
Chamber makes the first port of subsequent n-1 groups cooling passage be connected to two-by-two successively；4th liquid guiding cavity is cooled down with last group
The second port in liquid channel is connected to, and (n-1)/2 second liquid guiding cavity makes the second of the n-1 group cooling passages of front side successively
Port is connected to two-by-two.
5. liquid cooling heat radiator according to claim 4, which is characterized in that the first seal and second seal difference
It is process by plastic material；The first seal is fixed to the first end face of the liquid cooling plate, and described the by screw
There are multiple first O-ring seals, and the multiple first O-ring seal is respectively around institute between one sealing element and first end face
State the opening setting of the first liquid guiding cavity and third liquid guiding cavity；The second seal is fixed to the of the liquid cooling plate by screw
Biend, and there are multiple second O-ring seals between the second seal and second end face, and it is the multiple second O-shaped
Sealing ring is respectively around the setting of the opening of second liquid guiding cavity and the 4th liquid guiding cavity.
6. liquid cooling heat radiator according to claim 4, which is characterized in that the first seal and second seal difference
It is process by Metal plate；The first seal is fixed to the first end face of the liquid cooling plate, and described the by screw
There are multiple first gasket seals on one sealing element, and the multiple first gasket seal respectively around first liquid guiding cavity and
The opening of third liquid guiding cavity is arranged；The second seal is fixed to the second end face of the liquid cooling plate by screw, and described
There are multiple second gasket seals, and the multiple second gasket seal is respectively around second liquid guiding cavity in second seal
It is arranged with the opening of the 4th liquid guiding cavity.
7. liquid cooling heat radiator according to claim 4, which is characterized in that the first seal includes (n-1)/2 the
One metal plate component and a third metal plate component, and there is inlet and third liquid guiding cavity, each on the third metal plate component
There are one the first liquid guiding cavities for tool on the first metal plate component；The second seal includes (n-1)/2 second metal plate component
With a 4th metal plate component, and on the 4th metal plate component have liquid outlet and the 4th liquid guiding cavity, each second metal plate
There are one the second liquid guiding cavities for tool on gold part；The first metal plate component and third metal plate component are welded to the liquid cooling plate
First end face, the second metal plate component and the 4th metal plate component are welded to the second end face of the liquid cooling plate.
8. liquid cooling heat radiator according to claim 1, which is characterized in that each group of cooling passage includes one or more
Through-hole, and each through-hole runs through the first end face and second end face of the liquid cooling plate.
9. liquid cooling heat radiator according to claim 8, which is characterized in that on the side wall of the through-hole there are multiple axial directions to set
The groove set.
10. a kind of power electronic equipment, which is characterized in that including liquid cooling heat radiator as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714369.7A CN108633233B (en) | 2018-06-29 | 2018-06-29 | Liquid cooling radiator and power electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714369.7A CN108633233B (en) | 2018-06-29 | 2018-06-29 | Liquid cooling radiator and power electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108633233A true CN108633233A (en) | 2018-10-09 |
| CN108633233B CN108633233B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810714369.7A Active CN108633233B (en) | 2018-06-29 | 2018-06-29 | Liquid cooling radiator and power electronic equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109168303A (en) * | 2018-10-24 | 2019-01-08 | 北京无线电测量研究所 | A kind of water-cooled radiator and cooling system |
| CN109526189A (en) * | 2018-11-29 | 2019-03-26 | 西安电子科技大学 | A kind of ring-like micro-channel heat exchanger and its fluidic heat exchange of fluids experimental provision |
| CN112311206A (en) * | 2020-11-12 | 2021-02-02 | 苏州汇川技术有限公司 | Heat exchange system and frequency converter |
| CN113154903A (en) * | 2021-04-28 | 2021-07-23 | 苏州汇川技术有限公司 | Radiator manufacturing process and radiator |
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