CN114389078B - Liquid cooling device of power core wire with contact pin terminal - Google Patents
Liquid cooling device of power core wire with contact pin terminal Download PDFInfo
- Publication number
- CN114389078B CN114389078B CN202011109823.XA CN202011109823A CN114389078B CN 114389078 B CN114389078 B CN 114389078B CN 202011109823 A CN202011109823 A CN 202011109823A CN 114389078 B CN114389078 B CN 114389078B
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- pin terminal
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- 239000007788 liquid Substances 0.000 title claims abstract description 134
- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 238000002788 crimping Methods 0.000 claims abstract description 36
- 239000004020 conductor Substances 0.000 claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 125000006850 spacer group Chemical group 0.000 claims description 19
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a liquid cooling device of a power core wire with a pin terminal, which can cool the whole pin terminal, wherein the pin terminal, a wire tail terminal and a liquid cooling pipe are provided with conductor crimping pieces in a penetrating way, and the pin terminal comprises: the installation department, needle grafting portion and tubular connection portion have seted up installation fixed orifices and first inlet and outlet in the installation department, be equipped with first sealing connection head on the first inlet, be equipped with the heart yearn mounting hole in the line tail terminal, line tail terminal is equipped with tubular connection portion in the mouth department of its heart yearn mounting hole, establish respectively in the crimping hole of conductor crimping spare and the heart yearn mounting hole of line tail terminal at the both ends of power heart yearn, the both ends of liquid cooling tube overlap respectively and establish on the tubular connection portion of contact pin terminal and line tail terminal, second inlet and outlet have been seted up on the line tail terminal, be provided with the drain pipe through second sealing connection head on the second inlet. The liquid cooling device is mainly used for being installed in a charging cable for charging an electric vehicle.
Description
Technical Field
The present invention relates to a power cable, and more particularly, to a liquid cooling device for a power core wire with a pin terminal in the power cable.
Background
Electric vehicles are being popularized at a high speed under the influence of policies and environmental protection requirements. Anxiety about long charging times has also plagued consumers. With the development of battery technology of electric vehicles in recent years, the charging multiplying power is continuously improved, the charging current requirement is continuously improved, the temperature rise in a charging connection device can be too high after the current is increased, and serious accidents such as burning vehicles or injuring people can be even caused. The traditional charging connector improves the temperature rise effect by enlarging the sectional area of the conductor, and because the conductor is mostly made of copper metal, the density is high, so that the excessive weight of the cable can seriously influence the operation comfort of a user, and a plurality of lean people become very powerful in operation, so that the operation cannot be completed. At present, although the needle-shaped plug-in part of the pin terminal is also provided with a cooling cavity for connecting the liquid cooling pipeline, the cooling cavity is only used as a connecting node of the liquid cooling pipeline, so that the cooling effect is poorer the closer to the bottom of the cooling cavity, and the whole body of the plug-in terminal cannot be cooled well.
Disclosure of Invention
The invention aims to solve the technical problems that: a liquid cooling device for a power core wire with a pin terminal capable of cooling the entire pin terminal well.
In order to solve the technical problems, the invention adopts the following technical scheme: a liquid cooling device of a power core wire with a pin terminal, which structurally comprises: the power supply comprises a contact pin terminal, a wire tail terminal and a liquid cooling pipe for accommodating a power core wire, wherein a conductor crimping piece is arranged in the contact pin terminal in a penetrating way; the pin terminal comprises a mounting part positioned in the middle, a needle-shaped inserting part positioned at the front and a tubular connecting part positioned at the rear, wherein a mounting fixing hole communicated with the tubular connecting part and a first liquid inlet and outlet vertically communicated with the mounting fixing hole are formed in the mounting part of the pin terminal, a first sealing connector is arranged on the first liquid inlet and outlet, and a cooling cavity communicated with the fixing mounting hole is formed in the needle-shaped inserting part of the pin terminal; the conductor crimping piece is inserted from a tubular connecting part at the rear part of the contact pin terminal and is arranged in a fixed mounting hole at the middle part of the contact pin terminal, the rear part of the conductor crimping piece is provided with a crimping hole, the front end of the conductor crimping piece is provided with a runner spacer matched with the cooling cavity, the runner spacer at the front end of the conductor crimping piece is inserted into the cooling cavity to divide the corresponding part of the cooling cavity into a liquid inlet half cavity and a liquid outlet half cavity, a connecting runner is arranged between the end part of the runner spacer and the bottom part of the cooling cavity, a liquid outlet runner is formed between the conductor crimping piece and the tubular connecting part of the contact pin terminal, and the conductor crimping piece is provided with a liquid inlet groove for connecting the liquid inlet half cavity with a first liquid inlet and a liquid outlet groove for connecting the liquid outlet half cavity with the liquid outlet runner; the front part of the wire tail terminal is provided with a core wire mounting hole, the edge of the wire tail terminal in the core wire mounting hole is provided with a tubular connecting part communicated with the core wire mounting hole, two ends of the power core wire are respectively arranged in the crimping hole of the conductor crimping piece and the core wire mounting hole of the wire tail terminal, two ends of the liquid cooling pipe are respectively sleeved on the tubular connecting parts of the pin terminal and the wire tail terminal, the wire tail terminal is provided with a second inlet and outlet communicated with the core wire mounting hole at the front part of the wire tail terminal, and the second inlet and outlet is provided with a liquid outlet pipe through a second sealing connector.
As a preferred aspect, in the liquid cooling device with a power core wire of a pin terminal, the first sealing joint and the second sealing joint have the same structure, and the liquid cooling device includes: the device comprises a mounting screw, a connecting seat, an upper sealing ring and a lower sealing ring, wherein an upper sealing hole, a screw upper through hole, a liquid flow cavity, a screw lower through hole and a lower sealing hole are sequentially formed in the connecting seat from top to bottom along an axis, the diameter of the upper sealing hole is larger than that of the screw upper through hole, the diameter of the lower sealing hole is larger than that of the screw lower through hole, the liquid flow cavity is larger than the corresponding part of the mounting screw, a gap is reserved between the mounting screw and the liquid flow cavity, a liquid flow hole is formed in a bolt body of the mounting screw inwards from the end part of the mounting screw, and at least one liquid flow hole communicated with the liquid flow hole is formed in the bolt body of the mounting screw; the connecting seat is also provided with a tubular connecting part which is vertically communicated with the liquid flow cavity; the first or second liquid inlet is a threaded hole matched with a corresponding mounting screw, the mounting screw is sleeved with an upper sealing ring, and then sequentially penetrates through an upper sealing hole, a screw upper through hole, a liquid flow cavity, a screw lower through hole and a lower sealing hole on the connecting seat, and is sleeved with a lower sealing ring, and the lower sealing ring is screwed in the first or second liquid inlet, so that the connecting seat is fixed on the contact pin terminal or the wire tail terminal.
In the liquid cooling device with the power core wire of the pin terminal, the plug body of the mounting screw is provided with a liquid flow hole inwards from the end part along the central line of the plug body.
In one preferable mode, in the liquid cooling device with the power core wire of the pin terminal, at least two liquid flow holes communicated with the liquid flow holes are uniformly formed in the plug body of the mounting screw along the circumferential direction.
In one preferable mode, in the liquid cooling device with the power core wire of the pin terminal, a gap is provided between the flow passage spacer and the bottom of the cooling chamber to form the connecting flow passage.
In one preferred embodiment, in the liquid cooling device with a power core wire of the pin terminal, the flow channel spacer is provided with at least one flow-through hole at one end near the bottom of the cooling cavity.
In one preferred embodiment, in the liquid cooling device with a power core wire of the pin terminal, the flow channel spacer is provided with at least one flow-through hole at one end close to the bottom of the cooling cavity, so as to form the connecting flow channel.
In one preferable mode, in the liquid cooling device for a power core wire with a pin terminal, a fixing hole is formed at the rear part of the tail terminal.
In the above-described liquid cooling device for a power supply core wire with a pin terminal, a temperature sensor mounting groove for mounting a temperature sensor is formed in a mounting portion of the pin terminal.
The beneficial effects of the invention are as follows: the liquid cooling device with the power core wire of the pin terminal can well cool the whole pin terminal through the unique cooling flow passage structure in the liquid cooling device, so that the cooling effect is greatly improved; meanwhile, the vehicle socket connected with the pin terminal can be well cooled. In addition, the structure of the first sealing connector and the second sealing connector is more compact, and the volume is reduced, so that the occupied space of the first sealing connector and the second sealing connector in the charging cable is reduced, and meanwhile, the weight of the first sealing connector and the second sealing connector is reduced, and the cost is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a liquid cooling apparatus according to the present invention.
Fig. 2 is a schematic perspective view of the pin terminal of fig. 1.
Fig. 3 is a schematic perspective view of the conductor crimp of fig. 1.
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 1.
Fig. 5 is a schematic diagram of an exploded structure of the liquid cooling device according to the present invention.
Fig. 6 is a schematic cross-sectional structure of the pin terminal.
Fig. 7 is an exploded view of the pin terminal.
Fig. 8 is a perspective view of a charging gun employing independent inlet and outlet.
FIG. 9 is a schematic diagram of a serial connection of the liquid cooling device according to the present invention.
Fig. 10 is a perspective view schematically illustrating a charging gun employing the liquid cooling system of the structure shown in fig. 9.
Reference numerals in fig. 1 to 10 are respectively: 1. the liquid cooling pipe, 2, the contact pin terminal, 20, the mounting part, 201, the mounting fixing hole, 202, the first inlet and outlet, 203, the temperature sensor mounting groove, 21, the needle-shaped plug-in part, 211, the liquid inlet half cavity, 212, the liquid outlet half cavity, 22, the tubular connecting part, 23, the liquid outlet channel, 28, the contact-preventing finger cap, 3, the conductor crimping piece, 31, the crimping hole, 32, the flow channel spacer, 321, the overflow hole, 33, the liquid inlet groove, 34, the liquid outlet groove, 35, the flow guiding section, 4, the power core wire, 5, the wire tail end, 501, the core wire mounting hole, 502, the second inlet and outlet, 51, the fixing mounting hole, 52, the tubular connecting part, 7, first sealing joint, 70, first connecting seat, 701, upper sealing hole, 703, screw upper via hole, 705, liquid flow cavity, 71, upper sealing ring, 72, lower sealing ring, 73, tubular connecting part, 75, mounting screw, 751, liquid flow via hole, 8, second sealing joint, 80, second connecting seat, 81, upper sealing ring, 82, lower sealing ring, 83, tubular connecting part, 85, mounting screw, 9, liquid inlet pipe, 91, first liquid inlet and outlet pipe, 92, second liquid inlet and outlet pipe, 93, connecting pipe, 10, liquid outlet pipe, 100, charging gun, 102, charging cable, 103, other core wires.
Detailed Description
Detailed embodiments of a liquid cooling apparatus with a power core wire having pin terminals according to the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 5, a liquid cooling device with a power core wire of a pin terminal according to the present invention includes: the pin terminal 2, the wire tail end 5 and the liquid cooling tube 1 for placing the power core wire are shown in fig. 2, the pin terminal 2 comprises: a mounting part 20 at the middle part, a needle-shaped plug part 21 at the front part and a tubular connecting part 22 at the rear part; as shown in fig. 6 and 7, the mounting portion 20 of the pin terminal 2 is provided with a mounting fixing hole 201 that is communicated with the tubular connection portion 22, and a first inlet and outlet port 202 that is vertically communicated with the mounting fixing hole 201, the mounting portion 20 of the pin terminal 2 is provided with a temperature sensor mounting groove 203 for mounting a temperature sensor, the first inlet and outlet port 202 is provided with a first sealing connector 7, and the specific structure of the first sealing connector 7 includes: the mounting screw 75, the first connecting seat 70, the upper sealing ring 71 and the lower sealing ring 72, wherein the first connecting seat 70 is provided with an upper sealing hole 701, a lower sealing hole and a lower sealing hole in sequence from top to bottom along the axis, The diameter of the upper sealing hole 703 is equal to that of the lower sealing hole, the diameter of the upper sealing hole 701 is larger than that of the upper sealing hole 703, a step for placing the upper sealing ring 71 is formed, the diameter of the lower sealing hole is larger than that of the lower sealing hole, a step for pressing the lower sealing ring 72 is formed, and the liquid flow cavity 705 is larger than the corresponding part of the mounting screw 75, so that a gap is reserved between the mounting screw 75 and the liquid flow cavity 705; the mounting screw 75 is hollow, namely: the bolt body is internally provided with a liquid flow hole from the end part; four liquid flow holes 751 communicated with the liquid flow holes are formed in the bolt body of the mounting screw 75 along the circumferential direction, and a tubular connecting part 73 which is vertically communicated with the liquid flow cavity 705 is further arranged on the first connecting seat 70; the first liquid inlet 202 is a threaded hole matched with the mounting screw 75, the mounting screw 75 is sleeved with the upper sealing ring 71 and sequentially passes through the upper sealing hole 701, the screw upper through hole 703, the liquid flow cavity 705, the screw lower through hole and the lower sealing hole on the first connecting seat 70, and then sleeved with the lower sealing ring 72, and is screwed in the first liquid inlet 202 of the mounting part 20 of the pin terminal 2, so that the first connecting seat 70 is fixed on the mounting part 20 of the pin terminal 2; a cooling cavity communicated with the mounting fixing hole 201 is formed in the needle-shaped inserting part 21 of the pin terminal 2; the pin terminal 2 is penetrated with a conductor crimping piece 3, the conductor crimping piece 3 is inserted from a tubular connecting part 22 at the rear part of the pin terminal 2 and is tightly arranged in an installation fixing hole 201 at the middle part of the pin terminal 2, as shown in figure 3 (of course, the conductor crimping piece 3 can be fixed in the pin terminal 2 by adopting a bolt, a corresponding bolt hole is arranged on the conductor crimping piece 3 and the pin terminal 2, and the like), the rear part of the conductor crimping piece 3 is provided with a crimping hole 31, the front end of the conductor crimping piece 3 is provided with a runner spacer 32 matched with the cooling cavity, the runner spacer 32 at the front end of the conductor crimping piece 3 is inserted into the cooling cavity, The corresponding part of the cooling cavity is divided into a liquid inlet half cavity 211 and a liquid outlet half cavity 212-see FIG. 4, a flow passage spacer 32 at the front end of the conductor crimping piece 3 is provided with two flow passage holes 321 arranged along the length direction of the flow passage spacer 32, and the two flow passage holes 321 and a gap between the top end of the flow passage spacer 32 and the bottom of the cooling cavity together form a connecting flow passage (of course, the gap between the top end of the flow passage spacer 32 and the bottom of the cooling cavity can be independently used as the connecting flow passage); the conductor press-connection piece 3 is provided with a diversion section 35 with a reduced diameter at a position corresponding to the tubular connection part 22 of the contact pin terminal 2, a liquid outlet channel 23 is formed between the diversion section 35 of the conductor press-connection piece 3 and the tubular connection part 22 of the contact pin terminal 2, and the conductor press-connection piece 3 is provided with a liquid inlet groove 33 for connecting the liquid inlet half cavity 211 with the first liquid inlet and outlet 202 and a liquid outlet groove 34 for connecting the liquid outlet half cavity 212 with the liquid outlet channel 23; the front part of the wire tail terminal 5 is provided with a core wire mounting hole 501, the wire tail terminal 5 is provided with a tubular connecting part 52 communicated with the core wire mounting hole 501 at the edge of the core wire mounting hole 501, and the rear part of the wire tail terminal 5 is provided with a fixed mounting hole 51; the both ends of power heart yearn 4 set up respectively in crimping hole 31 and the heart yearn mounting hole 501 of line tail terminal 5 of conductor crimping spare 3, the both ends of liquid cooling tube 1 overlap respectively and establish on the tubular connecting portion 22 of contact pin terminal 2 and the tubular connecting portion 52 of line tail end son 5, line tail end son 5 set up at its front portion and have the second inlet and outlet 502 that communicates with each other with heart yearn mounting hole 501, be provided with drain pipe 10 on the second inlet and outlet 502 through second sealing connection head 8, second sealing connection head 8 include: the second connecting seat 80, the upper sealing ring 81, the lower sealing ring 82 and the mounting screw 85 have the same structure as the first sealing connector 7, and will not be described again here. In this embodiment, the end of the needle-shaped insertion portion 21 of the pin terminal 2 is inserted with a finger-preventing cap 28.
In practical application, as shown in fig. 8, the liquid cooling devices can be separately used, the first liquid inlets 202 on the two pin terminals 2 are all used as liquid inlets, and of course, as shown in fig. 9 and 10, two sets of liquid cooling devices can be connected in series for use, namely: the tubular connection portions 83 of the second sealing joints 8 on the two wire tail terminals 5 are connected by the connection pipe 93, the first sealing joints 7 on the two pin terminals 2 are connected with the first liquid inlet and outlet pipe 91 and the second liquid inlet and outlet pipe 92 respectively (when one of the first liquid inlet and outlet pipe 91 and the second liquid inlet and outlet pipe 92 is used as a liquid inlet pipe, the other is a liquid outlet pipe, and vice versa), at this time, one of the first liquid inlet and outlet ports 202 on the two pin terminals 2 is used as a liquid inlet, and the other is used as a liquid outlet. Two power supply cores 4 and some other cores 103 (typically signal wires) are included in the charging cable 102 of the charging gun 100 as shown in fig. 9 and 10, respectively.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (7)
1. A liquid cooling device for a power cord with pin terminals, comprising: the wire connector comprises a contact pin terminal, a wire tail terminal and a liquid cooling pipe for arranging a power core wire, wherein a conductor crimping piece is arranged in the contact pin terminal in a penetrating way; the pin terminal includes: the mounting part at the middle part, the needle-shaped inserting part at the front part and the tubular connecting part at the rear part are positioned, and the device is characterized in that: the mounting part of the contact pin terminal is provided with a mounting fixing hole communicated with the tubular connecting part and a first liquid inlet and outlet vertically communicated with the mounting fixing hole, the first liquid inlet and outlet is provided with a first sealing connector, and the needle-shaped inserting part of the contact pin terminal is provided with a cooling cavity communicated with the fixing mounting hole; the conductor crimping piece is inserted from a tubular connecting part at the rear part of the contact pin terminal and is arranged in a fixed mounting hole at the middle part of the contact pin terminal, the rear part of the conductor crimping piece is provided with a crimping hole, the front end of the conductor crimping piece is provided with a runner spacer matched with the cooling cavity, the runner spacer at the front end of the conductor crimping piece is inserted into the cooling cavity to divide the corresponding part of the cooling cavity into a liquid inlet half cavity and a liquid outlet half cavity, a connecting runner is arranged between the end part of the runner spacer and the bottom part of the cooling cavity, a liquid outlet runner is formed between the conductor crimping piece and the tubular connecting part of the contact pin terminal, and the conductor crimping piece is provided with a liquid inlet groove for connecting the liquid inlet half cavity with a first liquid inlet and a liquid outlet groove for connecting the liquid outlet half cavity with the liquid outlet runner; the front part of the wire tail terminal is provided with a core wire mounting hole, the edge of the wire tail terminal is provided with a tubular connecting part communicated with the core wire mounting hole of the wire tail terminal, two ends of the power core wire are respectively arranged in the crimping hole of the conductor crimping piece and the core wire mounting hole of the wire tail terminal, two ends of the liquid cooling pipe are respectively sleeved on the tubular connecting parts of the pin terminal and the wire tail terminal, the front part of the wire tail terminal is provided with a second inlet and outlet communicated with the core wire mounting hole of the wire tail terminal, and the second inlet and outlet is provided with a liquid outlet pipe through a second sealing connector; the first sealing connector and the second sealing connector have the same structure and comprise: the device comprises a mounting screw, a connecting seat, an upper sealing ring and a lower sealing ring, wherein an upper sealing hole, a screw upper through hole, a liquid flow cavity, a screw lower through hole and a lower sealing hole are sequentially formed in the connecting seat from top to bottom along an axis, the diameter of the upper sealing hole is larger than that of the screw upper through hole, the diameter of the lower sealing hole is larger than that of the screw lower through hole, the liquid flow cavity is larger than the corresponding part of the mounting screw, a gap is reserved between the mounting screw and the liquid flow cavity, a liquid flow hole is formed in a bolt body of the mounting screw inwards from the end part of the mounting screw, and at least one liquid flow hole communicated with the liquid flow hole is formed in the bolt body of the mounting screw; the connecting seat is also provided with a tubular connecting part which is vertically communicated with the liquid flow cavity; the first or second liquid inlet is a threaded hole matched with a corresponding mounting screw, the mounting screw is sleeved with an upper sealing ring, and then sequentially penetrates through an upper sealing hole, a screw upper through hole, a liquid flow cavity, a screw lower through hole and a lower sealing hole on the connecting seat, and is sleeved with a lower sealing ring, and the connecting seat is screwed in the first or second liquid inlet, so that the connecting seat is fixed on the contact pin terminal or the wire tail terminal; and a gap is arranged between the runner spacer and the bottom of the cooling cavity to form the connecting runner.
2. The liquid cooling apparatus for a power core wire with pin terminals according to claim 1, wherein: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part along the central line of the bolt body.
3. The liquid cooling apparatus for a power core wire with pin terminals according to claim 1, wherein: at least two liquid flow holes communicated with the liquid flow holes are uniformly formed in the bolt body of the mounting screw along the circumferential direction.
4. The liquid cooling apparatus for a power core wire with pin terminals according to claim 1, wherein: the flow passage spacer is provided with at least one overflowing hole at one end close to the bottom of the cooling cavity.
5. The liquid cooling apparatus for a power core wire with pin terminals according to claim 1, wherein: the runner spacer is provided with at least one overflowing hole at one end close to the bottom of the cooling cavity to form the connecting runner.
6. The liquid cooling apparatus for a power core wire with pin terminals according to claim 1, wherein: and the rear part of the wire tail terminal is provided with a fixed mounting hole.
7. The liquid cooling device with a power core wire of a pin terminal according to any one of claims 1 to 6, wherein: and a temperature sensor mounting groove for mounting a temperature sensor is formed in the mounting part of the contact pin terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109823.XA CN114389078B (en) | 2020-10-16 | 2020-10-16 | Liquid cooling device of power core wire with contact pin terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109823.XA CN114389078B (en) | 2020-10-16 | 2020-10-16 | Liquid cooling device of power core wire with contact pin terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114389078A CN114389078A (en) | 2022-04-22 |
| CN114389078B true CN114389078B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011109823.XA Active CN114389078B (en) | 2020-10-16 | 2020-10-16 | Liquid cooling device of power core wire with contact pin terminal |
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| Country | Link |
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| CN (1) | CN114389078B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117522A (en) * | 2023-09-06 | 2023-11-24 | 四川速电科技有限公司 | Liquid cooling is liquid electric separation connector for pencil that charges |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887730A (en) * | 2017-09-29 | 2018-04-06 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid-cooled cable connecting element and connector |
| WO2019184883A1 (en) * | 2018-03-26 | 2019-10-03 | 洛阳正奇机械有限公司 | Positive and negative liquid-cooling cable serial cooling structure of high-power charging pile |
| CN212991393U (en) * | 2020-10-16 | 2021-04-16 | 张家港友诚新能源科技股份有限公司 | Liquid cooling device of power core wire with contact pin terminal |
| CN114389077A (en) * | 2020-10-16 | 2022-04-22 | 张家港友诚新能源科技股份有限公司 | Needle type liquid cooling plug connector of power core wire |
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2020
- 2020-10-16 CN CN202011109823.XA patent/CN114389078B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887730A (en) * | 2017-09-29 | 2018-04-06 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid-cooled cable connecting element and connector |
| WO2019184883A1 (en) * | 2018-03-26 | 2019-10-03 | 洛阳正奇机械有限公司 | Positive and negative liquid-cooling cable serial cooling structure of high-power charging pile |
| CN212991393U (en) * | 2020-10-16 | 2021-04-16 | 张家港友诚新能源科技股份有限公司 | Liquid cooling device of power core wire with contact pin terminal |
| CN114389077A (en) * | 2020-10-16 | 2022-04-22 | 张家港友诚新能源科技股份有限公司 | Needle type liquid cooling plug connector of power core wire |
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| Publication number | Publication date |
|---|---|
| CN114389078A (en) | 2022-04-22 |
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