CN110005890A - A kind of real-time leakage detection apparatus of fluid connector - Google Patents
A kind of real-time leakage detection apparatus of fluid connector Download PDFInfo
- Publication number
- CN110005890A CN110005890A CN201910285073.2A CN201910285073A CN110005890A CN 110005890 A CN110005890 A CN 110005890A CN 201910285073 A CN201910285073 A CN 201910285073A CN 110005890 A CN110005890 A CN 110005890A
- Authority
- CN
- China
- Prior art keywords
- groove
- inner casing
- socket
- wall
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 16
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 21
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/30—Detecting leaks
Abstract
The present invention relates to a kind of real-time leakage detection apparatus of fluid connector, it is characterized in that, including socket inner casing, double O-ring seals, pressure sensor and with plug inner casing form, the socket inner casing inner ring is set gradually there are three groove, double O-ring seals are separately mounted in the first groove of the socket inner casing inner ring and third groove, the pressure sensor is mounted in the second groove of the socket inner casing inner ring, the pressure sensor is sealed with output adapter, the centre of the first groove and third groove where double O-ring seals is arranged in second groove where the pressure sensor, the real-time leakage detection apparatus of fluid connector of the present invention, it can realize the intellectual monitoring of fluid connector liquid leakage sensitive the advantages of experiencing pressure change using pressure sensor, with real-time monitoring, the features such as easy to install, it can detect a small amount of liquid leakages Situation effectively overcomes liquid leakage in the prior art and is difficult to test problems convenient for carrying out troubleshooting and maintenance in time.
Description
Technical field
The invention belongs to equipment detection fields, and the present invention relates to the fluid connector companies in electronic product liquid-cooling system
Connect the intelligent monitoring device of liquid leakage in use process.
Background technique
Fluid connector is applied in equipment cooling system, for the connection and transmission between liquid-cooling system, fluid
Connector plug and socket are intended to reach good sealing effect under the state that is connected and disconnected from, and just can guarantee liquid cooling system just
Often work；Currently, connector generally uses O-ring seals to seal, and as the plug access times of fluid connector increase, O shape
Sealing ring is worn, and impurity is mixed in coolant liquid, and connector plugging gets stuck, and is vibrated, is impacted in use, all may cause
The generation of fluid connector liquid leakage；In fluid connector connection in use, liquid leakage once occurs, handle not in time,
It is light then may cause environmental pollution, electronic equipment cisco unity malfunction, increase unplanned shutdown and maintenance, heavy then threat to life peace
Entirely.Currently, existing fluid connector generally existing plug leakage, the inspection of leakage difficulty, handling inconvenience when being used in liquid cooling system
The problems such as prompt.
Currently, fluid connector is mostly to be let out by the selection to product design of Sealing Structure and sealing material to reduce liquid
The generation of leakage does not have the function of detection liquid leakage, and leakage is not easy to find, the safe operation of entire electronic equipment is still
There are risks.
Summary of the invention
Present invention aims to overcome that fluid leakage problems existing for above-mentioned background technique, a kind of fluid connector is provided
Real-time leakage detection apparatus can realize the intelligence of fluid connector liquid leakage sensitive the advantages of experiencing pressure change using pressure sensor
Can monitoring, have the characteristics that real-time monitoring, easy to install, can detect a small amount of liquid leakage situations, convenient for progress failure in time
Processing and maintenance.
It is achieved in order to solve the above technical problems, the technical solution of the invention is as follows:
A kind of real-time leakage detection apparatus of fluid connector, which is characterized in that including socket inner casing 1, the first O-ring seals 2,
It two O-ring seals 4, pressure sensor 3 and is formed with plug inner casing 6, there are three groove, institutes for 1 inner ring of socket inner casing setting
State the first O-ring seals 2, the second O-ring seals 4 are separately mounted to the first groove of the socket inner casing inner ring 101 and third is recessed
In slot 103, the pressure sensor 3 is mounted in 1 second groove of inner ring 102 of socket inner casing, 3 envelope of pressure sensor
It is connected to output adapter 5, the first groove is arranged where double O-ring seals in the second groove 102 where the pressure sensor 3
101 and third groove 103 centre.
Further, the output being connected with pressure sensor 3 turns at second groove 102 where the pressure sensor 3
Connect 5 encapsulation port of device.
Further, 1 inner wall of socket inner casing and 6 outer wall of plug inner casing are provided with step.
Further, 1 inner wall of socket inner casing and 6 outer wall of plug inner casing are quadruple board platform stage structure, and socket inner casing 1 leans on
The preceding inner wall 106 of nearly first groove 101 is higher than 107 step surface of rear inner wall of close third groove 103, and after socket inner casing 1
107 internal diameter of inner wall is more smaller than the internal diameter of the first O-ring seals 2, and outer wall 601 is sealed after plug inner casing 6 than first sealing outer wall 602
Terrace wants high, and outer wall 602 is sealed before plug inner casing 6 and the sealing of the second O-ring seals 4 cooperates, seals outer wall after plug inner casing 6
601 and first O-ring seals 2 sealing cooperate.
Further, close to 2 longitudinal cross-section of the first O-ring seals of 1 socket end of socket inner casing in double O-ring seals
Product is bigger than 4 longitudinal cross-section of the second O-ring seals product.
Further, 1 three grooves of the socket inner casing are set on inner wall, and it is recessed to be followed successively by first from close to socket end
Slot 101, the second groove 102, third groove 103, first groove 101, third groove 103 are that seal groove respectively corresponds insertion
There are the first O-ring seals 2, the second O-ring seals 4.
Further, the output adapter 5 is the hermetically sealed connectors such as hermetic seal connector, radio frequency seal connector, institute
Stating pressure sensor 3 is CX type or ZD type diaphragm pressure sensor.
Further, 1 socket end of socket inner casing is provided with guide angle 105, the socket inner casing of the fluid connector
The second groove of inner ring has chamfering 108 between the inner side end and adjacent outlet inner casing inner wall of third groove.
Further, it is 20 °~45 ° that angular range, which is arranged, in the guide angle 105, and angular range is arranged in the chamfering 108
It is 20 °~45 °.
The present invention can bring it is following the utility model has the advantages that
The present invention does not change fluid connector while not changing existing fluid connector disconnection with using effect is connect
Installation dimension only slightly adjusts plug inner casing and socket inner casing in original fluid connector structure, increases an O shape sealing
The pressure sensor for enclosing and being sealed with output adapter can be realized using the sensitive sensed pressure variation of pressure sensor and connect
Device is detected when liquid leakage initial stage, is found leakage problem in time and is carried out troubleshooting.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the real-time leakage detection apparatus socket structure schematic diagram of fluid connector of the present invention；
Fig. 2 is the structural schematic diagram of socket inner casing of the present invention；
Fig. 3 is the pressure sensor structure schematic diagram that the present invention has output adapter；
Fig. 4 is the real-time leakage detection apparatus general assembly structural schematic diagram of fluid connector of the present invention；
Wherein:
1 socket inner casing, 101 first 102 second groove of groove, 103 third groove
Inner wall after inner wall 107 before 104 adapters installation 105 guide angle 106 of port
108 chamferings
2 first O-ring seals, 3 pressure sensor, 301 cavity
Outer wall is sealed after 4 second O-ring seals, 5 output adapter, 6 plug inner casing 601
11 plug of outer wall, 12 socket is sealed before 602
Specific embodiment
It is easy to understand for the technical means, creative features, achievable purpose and effectiveness that the present invention is further explained realizes,
Below in conjunction with attached drawing and preferred embodiment, to the real-time leakage detection apparatus specific embodiment party of the fluid connector provided according to the present invention
Formula, structure, feature and its effect, detailed description are as follows.
As shown in Figure 1, the present embodiment includes socket inner casing 1, the first O-ring seals 2, the second O-ring seals 4 and has defeated
The pressure sensor 3 of adapter 5 out, opens that there are three groove, the first grooves 101, third groove on 1 socket end inner wall of socket inner casing
103 be seal groove, respectively corresponds and is embedded with the first O-ring seals 2, the second O-ring seals 4, realizes that fluid connector bilayer is close
Envelope protection, the second groove 102 are placed with the pressure sensor 3 for being sealed with output adapter 5, pressure sensor 3 and the second groove
102 cell walls are adhesively fixed, with output adapter 5 be encapsulated in 1 adapter of socket inner casing installation port 104 and with external circuit phase
It even, is hermetically sealed between output adapter 5 and adapter installation port 104.
As shown in Fig. 2, 1 inner wall of the present embodiment socket inner casing is quadruple board platform stage structure, socket inner casing 1 is close to the first groove
101 preceding inner wall 106 is higher than 107 step surface of rear inner wall of close third groove 103, and 107 internal diameter of inner wall after socket inner casing 1
Internal diameter than the first O-ring seals 2 is smaller, can reduce O-ring seals 2 during fluid connector plugs together and wear, it is close to extend O shape
The service life of seal 2,1 socket end of socket inner casing are provided with 30 ° of guide angle 105, the socket inner casing of the fluid connector
The second groove of inner ring 102 have between inner wall 107 after the inner side end and adjacent outlet inner casing 1 of third groove 103 30 ° fall
Angle 108 plugs together connector more smooth.
As shown in figure 3, the present embodiment includes pressure sensor 3 and output adapter 5, output adapter 5 is hermetic seal company
Device is connect, it is integral with 3 sealing-in of pressure sensor.
As shown in figure 4, the present embodiment includes socket 12 and the plug 11 with socket cooperation, 12 socket end of socket is equipped with sealing
Section, outer wall 601, preceding sealing outer wall 602 are sealed after the plug inner casing 6 of plug 11 as step structure, and before rear sealing outer wall 601 ratio
Sealing 602 step surface of outer wall wants high, and plug 11 seals outer wall 602 before plugging together in the process plug inner casing 6 before this with socket 12 and inserts
It is plugged together after the insertion of the guiding of inner wall 106 with the guiding of inner wall 107 after socket inner casing 1 before seat inner casing 1, this process gradually corrects the position of plug
It sets, finally accurately plugs together in place, reduce to plug-in card shell, the first O-ring seals 2 are inserted when plug 11 is connected with 12 grafting of socket
Outer wall 601 is sealed after head inner casing 6 and socket inner casing 1 is extruded in its first groove 101, and the second O-ring seals 4 are by plug inner casing
Outer wall 602 is sealed before 6 and socket inner casing 1 is extruded in its third groove 103, forms 3 place cavity 301 of pressure sensor close
Chamber is sealed, in the second 4 seal failure of O-ring seals, under connector internal pressure, 3 institute of internal liquid feed pressure sensor
In cavity 301,301 internal pressure of cavity is made to change, on pressure sensor 3, pressure is passed for liquid and air pressure double action
Sensor 3, which generates pressure signal and converts it into electric signal, is sent to distal end by adapter 5 and connection circuit, realizes that fluid connects
The real-time monitoring of liquid leakage in device is connect, and guarantees that fluid connector is still to plug together sealing state.
Second embodiment, on the basis of first embodiment, output adapter 5 replaces with radio frequency seal connector, the pressure
Force snesor 3 is CX type diaphragm pressure sensor, and it is 20 ° that angle, which is arranged, in the guide angle 105, and angle is arranged in the chamfering 108
It is 20 °.
3rd embodiment, on the basis of first embodiment, the pressure sensor 3 is ZD type diaphragm pressure sensor, institute
Stating guide angle 105 angle is arranged is 45 °, and it is 45 ° that angle, which is arranged, in the chamfering 108.
The real-time leakage detection apparatus principle of fluid connector of the present invention are as follows: connector is in use, the abrasion of O-ring seals can be with
Increasing for number of plug gradually aggravates, and impurity is mixed in coolant liquid, and connector plugging gets stuck, and is vibrated, impacts in use, flows
Body connector is it is possible that leakage, liquid can be from the second O-ring seals 4 and body clearance outflow, pressure sensor place chambers
Body air pressure increases, and when air pressure or a certain amount of leakage liquid contact action are when pressure sensor, makes pressure sensor that shape occur
Become and the deformation is transformed into electric signal, the electric signal of generation is sent to distal end by adapter and connection circuit, realizes fluid
The real-time monitoring of liquid leakage in connector.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of real-time leakage detection apparatus of fluid connector, which is characterized in that including socket inner casing (1), the first O-ring seals (2),
Pressure sensor (3), the second O-ring seals (4), output adapter (5) and with plug inner casing (6) form, the socket inner casing
(1) there are three grooves for inner ring setting, and first O-ring seals (2), the second O-ring seals (4) are separately mounted to the socket
In the first groove of inner casing inner ring (101) and third groove (103), the pressure sensor (3) is mounted on the socket inner casing (1)
In the second groove of inner ring (102), the pressure sensor (3) is sealed with output adapter (5), pressure sensor (3) institute
In the second groove (102), the centre of the first groove (101) and third groove (103) is set where double O-ring seals.
2. a kind of real-time leakage detection apparatus of fluid connector as described in claim 1, which is characterized in that the pressure sensor
(3) there is output adapter (5) encapsulation port being connected with pressure sensor (3) at the second groove (102) where.
3. a kind of real-time leakage detection apparatus of fluid connector as claimed in claim 2, which is characterized in that the socket inner casing (1)
Inner wall and plug inner casing (6) outer wall are provided with step.
4. a kind of real-time leakage detection apparatus of fluid connector as claimed in claim 3, which is characterized in that the socket inner casing (1)
Inner wall and plug inner casing (6) outer wall are quadruple board platform stage structure, preceding inner wall of the socket inner casing (1) close to the first groove (101)
(106) high than close to rear inner wall (107) step surface of third groove (103), and socket inner casing (1) inner wall (107) internal diameter afterwards
Internal diameter than the first O-ring seals (2) is smaller, and plug inner casing (6) seals outer wall (601) than preceding sealing outer wall (602) step afterwards
Face wants high, and sealing outer wall (602) and the second O-ring seals (4) sealing cooperate before plug inner casing (6), and plug inner casing (6) seals afterwards
Outer wall (601) and the first O-ring seals (2) sealing cooperate.
5. a kind of real-time leakage detection apparatus of fluid connector as claimed in claim 4, which is characterized in that double O-ring seals
In close to socket inner casing (1) socket end the first O-ring seals (2) longitudinal cross-section product ratio the second O-ring seals (4) longitudinal cross-section
Product is big.
6. a kind of real-time leakage detection apparatus of fluid connector as described in claims 1 or 2 or 3 or 4 or 5, which is characterized in that described
(1) three groove of socket inner casing is set on inner wall, is followed successively by the first groove (101), the second groove from close to socket end
(102), third groove (103), first groove (101), third groove (103) respectively correspond for seal groove is embedded with first
O-ring seals (2), the second O-ring seals (4).
7. a kind of real-time leakage detection apparatus of fluid connector as claimed in claim 6, which is characterized in that the output adapter
It (5) is the hermetically sealed connectors such as hermetic seal connector, radio frequency seal connector, the pressure sensor (3) is that CX type or ZD type are thin
Membrane pressure sensor.
8. a kind of real-time leakage detection apparatus of fluid connector as claimed in claim 6, which is characterized in that the socket inner casing (1)
Socket end is provided with guide angle (105), and socket inner casing the second groove of inner ring of the fluid connector is in third groove
There are chamfering (108) between side end face and adjacent outlet inner casing inner wall.
9. a kind of real-time leakage detection apparatus of fluid connector as claimed in claim 8, which is characterized in that the guide angle (105)
It is 20 °~45 ° that angular range, which is arranged, and chamfering (108) the setting angular range is 20 °~45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285073.2A CN110005890A (en) | 2019-04-10 | 2019-04-10 | A kind of real-time leakage detection apparatus of fluid connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285073.2A CN110005890A (en) | 2019-04-10 | 2019-04-10 | A kind of real-time leakage detection apparatus of fluid connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005890A true CN110005890A (en) | 2019-07-12 |
Family
ID=67170809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910285073.2A Pending CN110005890A (en) | 2019-04-10 | 2019-04-10 | A kind of real-time leakage detection apparatus of fluid connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005890A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671562A (en) * | 2019-08-30 | 2020-01-10 | 中航光电科技股份有限公司 | Microminiature is pressed and is pressed plug fluid coupling ware |
| CN111750187A (en) * | 2020-07-03 | 2020-10-09 | 中国电子科技集团公司第十四研究所 | Novel blind plug of piston |
| CN113375064A (en) * | 2021-06-16 | 2021-09-10 | 王诚宣 | Gas and liquid leakage detection sensor and method |
| CN114279151A (en) * | 2021-12-24 | 2022-04-05 | 中国电子科技集团公司第十四研究所 | Telescopic cooling liquid transmission device |
| CN116118574A (en) * | 2022-12-14 | 2023-05-16 | 中国第一汽车股份有限公司 | Liquid cooling connecting device and electric vehicle with same |
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| CN107061910A (en) * | 2017-02-10 | 2017-08-18 | 中国船舶重工集团公司第七二三研究所 | Fluid connector |
| CN108194721A (en) * | 2017-12-30 | 2018-06-22 | 中国船舶重工集团公司第七二三研究所 | A kind of floating fluid connector |
| CN210106834U (en) * | 2019-04-10 | 2020-02-21 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Real-time leak detection device for fluid connector |
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| WO2013081266A1 (en) * | 2011-11-28 | 2013-06-06 | 주식회사 파람 | Coupler for transporting fluid |
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| US20170037991A1 (en) * | 2015-08-05 | 2017-02-09 | Fastest, Inc. | Fluid connectors with connection state sensing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671562A (en) * | 2019-08-30 | 2020-01-10 | 中航光电科技股份有限公司 | Microminiature is pressed and is pressed plug fluid coupling ware |
| CN111750187A (en) * | 2020-07-03 | 2020-10-09 | 中国电子科技集团公司第十四研究所 | Novel blind plug of piston |
| CN113375064A (en) * | 2021-06-16 | 2021-09-10 | 王诚宣 | Gas and liquid leakage detection sensor and method |
| CN114279151A (en) * | 2021-12-24 | 2022-04-05 | 中国电子科技集团公司第十四研究所 | Telescopic cooling liquid transmission device |
| CN114279151B (en) * | 2021-12-24 | 2023-07-04 | 中国电子科技集团公司第十四研究所 | Telescopic cooling liquid transmission device |
| CN116118574A (en) * | 2022-12-14 | 2023-05-16 | 中国第一汽车股份有限公司 | Liquid cooling connecting device and electric vehicle with same |
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