CN107039808B - Contact temperature rise control method, contact metal liquid cooling appts and connector - Google Patents
Contact temperature rise control method, contact metal liquid cooling appts and connector Download PDFInfo
- Publication number
- CN107039808B CN107039808B CN201710194061.XA CN201710194061A CN107039808B CN 107039808 B CN107039808 B CN 107039808B CN 201710194061 A CN201710194061 A CN 201710194061A CN 107039808 B CN107039808 B CN 107039808B
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- Prior art keywords
- contact
- heat conduction
- liquid cooling
- conduction ring
- appts
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
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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 relates to contact temperature rise control method, contact metal liquid cooling appts and the connectors in field of connectors；Metal liquid cooling appts are set on the outer surface of contact, by being passed through the insulation cooling medium of flowing into metal liquid cooling appts, and rely on the heat exchange between insulation cooling medium and contact to control the temperature rise of contact；Cooling medium uses dielectric, and the better metal material production of liquid cooling appts thermal conductivity, compared with the prior art, the temperature on contact can timely be conducted, higher to the temperature control efficiency of contact.
Description
Technical field
The present invention relates to one of field of connectors contact temperature rise control method, contact metal liquid cooling appts and connections
Device.
Background technique
Connector needs the negligible amounts of the contact by biggish electric current, on connector when working, but due to electric current
Larger, the temperature of contact is higher when connector works；After plug especially in contact by certain number, due to connecing
The abrasion of contact element, the contact resistance that will lead to contact increase, so that the temperature rise of contact be made to increase, eventually lead to contact
Ablation.Common contact temperature rise control method is to increase temperature sensor on contact, and increase control system to contact
The electric current of part implements control, reduces the temperature rise of contact by controlling the size of electric current, the meeting when the temperature rise of contact increases
The current value of contact is automatically controlled, so that the temperature rise of contact is reduced, but current value of such mode due to reducing transmission,
And it can stop being powered to a certain extent afterwards in product temperature raising, be easy to influence the working efficiency of equipment.In current research
Have and cooled down by the way of water cooling to contact on the connectors, since contact is conduct piece and contact operating current
It is larger, therefore existing water cooler is insulating materials, cooling water flows in water cooler, realizes the cooling to contact.But in reality
It is found during testing, the thermal coefficient for the liquid cooling appts that insulate is lower, and the heat on contact can not be transmitted on cooling water in time, connects
The temperature of contact element is still unable to get good control.
Summary of the invention
The purpose of the present invention is to provide a kind of contact temperature rise control methods, to solve existing contact temperature rise control
The lower problem of the adjusting efficiency of method；The object of the invention is also to provide a kind of contact metal liquid cooling appts and connectors.
To achieve the above object, the technical solution of contact temperature rise control method of the invention is: in the appearance of contact
Metal liquid cooling appts are set on face, are situated between by being passed through the insulation cooling medium of flowing into metal liquid cooling appts, and by insulation is cooling
Exchanging heat to control the temperature rise of contact between matter and contact.
The technical solution of contact metal liquid cooling appts of the invention is: contact metal connector is equipped with to be cooled down for insulation
The fluid course that medium passes through, fluid course have cooling liquid inlet and cooling liquid outlet；It is also set on contact metal connector
Have for being connect with contact outer surface with the contact connection structure for the heat exchange for realizing contact between the cooling medium that insulate.
The contact connection structure is connector sleeve, and contact metal liquid cooling appts are set in outside contact by connector sleeve
It encloses.
Contact metal liquid cooling appts include heat conduction ring, and the radius section of heat conduction ring is U-shaped, and U-shaped recess is towards thermally conductive annulate shaft
To heat conduction ring axial direction forms the fluid course to cover board, the U-shaped chamber of heat conduction ring is connected to jagged one end；It is thermally conductive
Ring inner radial wall surrounds the connector sleeve, and cover board is equipped with the avoid holes for avoiding connector sleeve centre bore.
The contact metal liquid cooling appts are made of metal alloy.
The insulation cooling medium is silicone oil.
The technical solution of connector of the invention is: connector includes the contact on connector, further includes and contact
The contact metal liquid cooling appts of outer surface connection, it is logical that contact metal liquid cooling appts are equipped with the liquid stream passed through for insulation cooling medium
Road, fluid course have cooling liquid inlet and cooling liquid outlet.
The contact connection structure is connector sleeve, and contact metal liquid cooling appts are set in outside contact by connector sleeve
It encloses.
Contact metal liquid cooling appts include heat conduction ring, and the radius section of heat conduction ring is U-shaped, and U-shaped recess is towards thermally conductive annulate shaft
To heat conduction ring axial direction forms the fluid course to cover board, the U-shaped chamber of heat conduction ring is connected to jagged one end；It is thermally conductive
Ring inner radial wall surrounds the connector sleeve, and cover board is equipped with the avoid holes for avoiding connector sleeve centre bore.
The contact metal liquid cooling appts are made of copper alloy.
The beneficial effects of the present invention are: be arranged the liquid cooling appts made of thermal conductive metallic material in contact periphery, when use
It is passed through insulation cooling medium into liquid cooling appts, the temperature of contact is controlled by the heat exchange between insulation cooling medium and contact
It rises；Cooling medium uses dielectric, and the better metal material production of liquid cooling appts thermal conductivity compared with the prior art, connects
Temperature in contact element can timely be conducted, higher to the temperature control efficiency of contact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of contact metal liquid cooling appts of the invention in use state；
Fig. 2 is the structural schematic diagram of the contact metal liquid cooling appts in Fig. 1；
Fig. 3 is the sectional view of Fig. 2.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of contact metal liquid cooling appts of the invention, as shown in Figure 1 to Figure 3, including heat conduction ring 21, it is thermally conductive
21 axis of ring extends in left-right direction；The radius section of heat conduction ring 21 is U-shaped, and the recess of U-shaped structure is axial towards heat conduction ring 21；
The axial one end with opening of heat conduction ring 21 is to being connected to cover board 22；The inner radial wall of heat conduction ring 21 surrounds connector sleeve 221, cover board
21 are equipped with avoid holes for avoiding 221 centre bore of connector sleeve, and the outer rim of heat conduction ring 21 is ellipse, the outer rim of cover board 22 with
Heat conduction ring 21 is consistent；Heat conduction ring 21 and cover board 22 are made of metal material, and the heat-conducting metal in the present embodiment is copper alloy, system
The welding of cover board 22 is connected on heat conduction ring 21 when making.The annular chamber of heat conduction ring 21 forms ring seal under the closure of cover board 22
, for for the fluid course 211 that passes through of insulation cooling medium.
Cooling liquid inlet is respectively equipped in two positions close to 22 oval structure long axis direction both ends of cover board on cover board 22
23a and cooling liquid outlet 23b, cooling liquid inlet 23a and cooling liquid outlet 23b are connected to fluid course 211 respectively.
It is connected with the adapter of plastic material at cooling liquid inlet 23a and cooling liquid outlet 23b by helicitic texture respectively
24a and adapter 24b, the other end of adapter 24a are welded with inlet tube 25a, and the other end of adapter 24b is welded with outlet tube
25b, inlet tube 25a and outlet tube 25b are arranged in parallel；Each adapter is surrounded with insulating tape 26 with corresponding pipeline junction.
Heat conduction ring 21 is sleeved on contact 1 when use, it is contemplated that in connector work at the docking of contact 1
Calorific value is larger, and heat conduction ring 21 is preferably set in the outside of 1 grafting part of contact.
It can also be gap-matched using interference fit between connector sleeve 221 and contact 1；Matched using interference
When conjunction, heat conduction ring 21 is fixed by interference power；When being gap-matched, before installing connector sleeve 221, in 1 outer wall of contact
Upper needs and smearing heat-conducting glue at 221 cooperation of connector sleeve, then put on heat conduction ring 21 again, after heat-conducting glue solidification, heat conduction ring 21
It is fixed.
Insulation cooling medium in the present embodiment is silicone oil, after heat conduction ring 21 is installed, by inlet tube 25a and liquid out
Pipe 25b is connected on the export and import of circulating water device, and circulating water device is the prior art, is repeated no more.
Such as Fig. 3, after silicone oil enters fluid course 211 via cooling liquid inlet 23a, under the shunting of connector sleeve 221, silicone oil
Point both direction flows to cooling liquid outlet 23b along the side wall of connector sleeve 221；Heat on contact 1 is via heat conduction ring 21
Conduction is taken away by silicone oil, and the temperature of contact 1 reduces.
It, can be by adjusting silicon according to the temperature for the contact 1 that temperature sensor on connector detects in use process
The size of oil stream amount, the adjusting to the cooling effect of liquid cooling appts.
In other embodiments, heat-conducting metal may be aluminium alloy；Insulation cooling medium is also possible to other electric appliances
Insulating oil, the type of insulating oil is more to be repeated no more.
In other embodiments, the refrigerator for freezing to silicone oil can be set on oil circulation circuit, made
Cooler is the prior art, and the temperature before fluid course is entered by adjusting silicone oil realizes the adjusting to liquid cooling apparatus cooling effect.
In other embodiments, can be according to the quantity of the contact on connector, setting and contact on heat conduction ring
The setting form of the consistent connector sleeve of quantity, each connector sleeve is identical as the set-up mode of connector sleeve in above-mentioned specific embodiment.
In other embodiments, cooling liquid inlet and cooling liquid outlet also can be set on heat conduction ring.
The specific embodiment of contact temperature rise control method of the invention, the embodiment of contact temperature rise control method with
The embodiment of any embodiment of the contact metal liquid cooling appts of aforementioned present invention is identical, is not repeated to illustrate.
The specific embodiment of connector of the invention, connector are arranged with contact gold including being contact on contact
Belong to liquid cooling appts, other components of the connector in the present embodiment in addition to contact metal liquid cooling appts are the prior art, this reality
The structure for applying the liquid cooling appts in example is identical as the structure of any embodiment of contact metal liquid cooling appts of aforementioned present invention, no longer
Repeated explanation.
Claims (6)
1. contact temperature rise control method, it is characterised in that: metal liquid cooling appts are arranged on the outer surface of contact, by gold
Belong to the insulation cooling medium for being passed through flowing in liquid cooling appts, and is contacted by insulation cooling medium with the heat exchange between contact to control
The temperature rise of part, metal liquid cooling appts are equipped with the fluid course passed through for insulation cooling medium, and fluid course has cooling liquid inlet
And cooling liquid outlet；It is additionally provided on metal liquid cooling appts for being connect with contact outer surface to realize contact and cooling Jie of insulation
The contact connection structure of heat exchange between matter, the contact connection structure are connector sleeve, and metal liquid cooling appts pass through connector sleeve
It is set in contact periphery, metal liquid cooling appts include heat conduction ring, and the radius section of heat conduction ring is U-shaped, and U-shaped recess is towards heat conduction ring
Axial, heat conduction ring axial direction forms the fluid course to cover board, the U-shaped chamber of heat conduction ring is connected to jagged one end；It leads
Hot ring inner radial wall surrounds the connector sleeve, and cover board is equipped with the avoid holes for avoiding connector sleeve centre bore.
2. contact metal liquid cooling appts, it is characterised in that: contact metal connector is equipped with for insulating what cooling medium passed through
Fluid course, fluid course have cooling liquid inlet and cooling liquid outlet；Be additionally provided on contact metal connector for connect
The connection of contact element outer surface is with the contact connection structure for the heat exchange for realizing contact between the cooling medium that insulate, the contact
Connection structure is connector sleeve, and contact metal liquid cooling appts are set in contact periphery, contact metal liquid cooling appts by connector sleeve
Including heat conduction ring, the radius section of heat conduction ring is U-shaped, U-shaped recess towards heat conduction ring axial direction, heat conduction ring it is axial with jagged
One end forms the fluid course to cover board, the U-shaped chamber of heat conduction ring is connected to；Heat conduction ring inner radial wall surrounds the connection
Set, cover board are equipped with the avoid holes for avoiding connector sleeve centre bore.
3. contact metal liquid cooling appts according to claim 2, it is characterised in that: the contact metal liquid cooling appts by
Copper alloy is made.
4. contact metal liquid cooling appts according to claim 2, it is characterised in that: the insulation cooling medium is silicon
Oil.
5. connector, including the contact on connector, it is characterised in that: further include the contact being connect with contact outer surface
Metal liquid cooling appts, contact metal liquid cooling appts are equipped with the fluid course passed through for insulation cooling medium, and fluid course has cold
But liquid import and cooling liquid outlet are additionally provided on contact metal liquid cooling appts and are contacted for connecting with contact outer surface with realizing
The contact connection structure of heat exchange between part and insulation cooling medium, the contact connection structure are connector sleeve, contact
Metal liquid cooling appts are set in contact periphery by connector sleeve, and contact metal liquid cooling appts include heat conduction ring, the radius of heat conduction ring
Section is U-shaped, U-shaped recess towards heat conduction ring axial direction, heat conduction ring it is axial with jagged one end to being connected to cover board, heat conduction ring
U-shaped chamber forms the fluid course；Heat conduction ring inner radial wall surrounds the connector sleeve, and cover board is equipped with for avoiding connection
Cover the avoid holes of centre bore.
6. connector according to claim 5, it is characterised in that: the contact metal liquid cooling appts are by metal alloy system
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194061.XA CN107039808B (en) | 2017-03-28 | 2017-03-28 | Contact temperature rise control method, contact metal liquid cooling appts and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194061.XA CN107039808B (en) | 2017-03-28 | 2017-03-28 | Contact temperature rise control method, contact metal liquid cooling appts and connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039808A CN107039808A (en) | 2017-08-11 |
| CN107039808B true CN107039808B (en) | 2019-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710194061.XA Active CN107039808B (en) | 2017-03-28 | 2017-03-28 | Contact temperature rise control method, contact metal liquid cooling appts and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107039808B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3912848A1 (en) * | 2020-05-22 | 2021-11-24 | TE Connectivity Germany GmbH | Cooling device for a connector element and connector element for high-voltage applications |
| EP4324680A1 (en) * | 2022-08-19 | 2024-02-21 | Lisa Dräxlmaier GmbH | Contact pin carrier for a contact element, contact element for a plug-in connection device, and plug-in connection device |
| EP4324679A1 (en) * | 2022-08-19 | 2024-02-21 | Lisa Dräxlmaier GmbH | Heat sink for a contacting element, contacting element for a plug-in connection device and plug-in connection device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425323B (en) * | 2017-08-28 | 2022-07-05 | 深圳市沃尔新能源电气科技股份有限公司 | Female terminal of pegging graft and applied rifle, the rifle socket that charges of this female terminal |
| CN107887730B (en) * | 2017-09-29 | 2023-10-10 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid-cooled cable plug-in assembly and connector |
| DE102022108760A1 (en) | 2022-04-11 | 2023-10-12 | Kiekert Aktiengesellschaft | Connector part |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02250277A (en) * | 1989-03-24 | 1990-10-08 | Nec Corp | Contact pin |
| CN205345420U (en) * | 2015-12-09 | 2016-06-29 | 东莞市路鑫五金制品有限公司 | PIN needle carrier tape package device |
| EP3043421A1 (en) * | 2015-01-12 | 2016-07-13 | Phoenix Contact e-Mobility GmbH | Electric connection body for a charging connector and/or a charging socket, charging connector and charging station for supplying electric energy to a receiver of electrical energy |
-
2017
- 2017-03-28 CN CN201710194061.XA patent/CN107039808B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02250277A (en) * | 1989-03-24 | 1990-10-08 | Nec Corp | Contact pin |
| EP3043421A1 (en) * | 2015-01-12 | 2016-07-13 | Phoenix Contact e-Mobility GmbH | Electric connection body for a charging connector and/or a charging socket, charging connector and charging station for supplying electric energy to a receiver of electrical energy |
| CN205345420U (en) * | 2015-12-09 | 2016-06-29 | 东莞市路鑫五金制品有限公司 | PIN needle carrier tape package device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3912848A1 (en) * | 2020-05-22 | 2021-11-24 | TE Connectivity Germany GmbH | Cooling device for a connector element and connector element for high-voltage applications |
| US11855383B2 (en) | 2020-05-22 | 2023-12-26 | Te Connectivity Germany Gmbh | Cooling device for a connector element and connector element for high-voltage applications |
| EP4324680A1 (en) * | 2022-08-19 | 2024-02-21 | Lisa Dräxlmaier GmbH | Contact pin carrier for a contact element, contact element for a plug-in connection device, and plug-in connection device |
| EP4324679A1 (en) * | 2022-08-19 | 2024-02-21 | Lisa Dräxlmaier GmbH | Heat sink for a contacting element, contacting element for a plug-in connection device and plug-in connection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107039808A (en) | 2017-08-11 |
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