CN212991394U - Needle type liquid cooling plug connector of power core wire - Google Patents
Needle type liquid cooling plug connector of power core wire Download PDFInfo
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- CN212991394U CN212991394U CN202022318707.0U CN202022318707U CN212991394U CN 212991394 U CN212991394 U CN 212991394U CN 202022318707 U CN202022318707 U CN 202022318707U CN 212991394 U CN212991394 U CN 212991394U
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Abstract
The utility model discloses a can carry out better refrigerated needle type liquid cooling plug connector of power heart yearn to its entire body, include: the conductor crimping piece and the pin-shaped plugging part, the mounting part and the tubular connecting part form a plugging terminal, the mounting part is provided with a mounting fixing hole communicated with the tubular connecting part and a liquid inlet and outlet communicated with the mounting fixing hole, the liquid inlet and outlet is provided with a liquid inlet sealing connector, and the pin-shaped plugging part is internally provided with a cooling cavity communicated with the fixing mounting hole; the front end of the conductor crimping piece is provided with a flow channel spacer, the conductor crimping piece is inserted in the plug-in terminal, the flow channel spacer is inserted into the cooling cavity and divides the cooling cavity into a liquid inlet half cavity and a liquid outlet half cavity, a connecting flow channel is arranged between the end part of the flow channel spacer and the bottom of the cooling cavity, and the conductor crimping piece is provided with a liquid inlet groove for connecting the liquid inlet half cavity with a liquid inlet and outlet and a liquid outlet groove for connecting the liquid outlet half cavity with the liquid outlet flow channel. The needle type liquid cooling plug connector is mainly used for being installed in a charging cable for charging an electric vehicle.
Description
Technical Field
The utility model relates to a power cable especially involves the pin type liquid cooling plug connector of power heart yearn among power cable.
Background
Under the influence of policies and environmental requirements, electric vehicles are becoming popular at a high speed. The anxiety of too long a charge time has also been troubling consumers. In recent years, along with the development of the battery technology of the electric automobile, the charging multiplying power is continuously improved, the requirement on the charging current is continuously improved, the temperature rise in the charging connecting device is overhigh after the current is increased, and even serious accidents such as vehicle burning or people injury can be caused. The traditional charging connector improves the temperature rise effect by increasing the sectional area of the conductor, because the conductor is mostly composed of copper metal, the density is high, the overweight of the cable brought by the traditional charging connector can seriously affect the comfort of the operation of a user, and in addition, a plurality of thin and weak people can become very hard when operating, so that the traditional charging connector cannot be used for the work. At present, the liquid cooling pipeline that adopts among the traditional charging cable, although the needle-like grafting portion of contact pin terminal has also seted up in the connection the cooling chamber of liquid cooling pipeline, this cooling chamber only uses as a connected node of liquid cooling pipeline for be close to the bottom of cooling chamber more, the cooling effect is worse, therefore can not carry out better cooling to the entire body of contact pin terminal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a technical problem that will solve is: a needle type liquid-cooled connector for a power supply core wire is provided which can cool the entire body of the connector well.
In order to solve the technical problem, the utility model discloses a technical scheme does: a needle-type liquid-cooled connector for a power core wire, comprising: plug terminal and conductor crimping piece, plug terminal includes: the mounting part is arranged in the middle part, the needle-shaped plugging part is arranged in the front part, the tubular connecting part is arranged in the rear part, the mounting part of the plugging terminal is provided with a mounting fixing hole communicated with the tubular connecting part and a liquid inlet and outlet vertically communicated with the mounting fixing hole, the liquid inlet and outlet is provided with a liquid inlet sealing connector, and the needle-shaped plugging part of the plugging terminal is provided with a cooling cavity communicated with the fixing mounting hole; the rear portion of this conductor crimping piece has seted up the crimping hole, the front end of conductor crimping piece be provided with cooling chamber matched with runner spacer, the conductor crimping piece from the installation fixed orifices of plug terminal installation department cartridge in plug terminal's tubular connecting portion, the runner spacer of conductor crimping piece front end insert the cooling chamber, separate into the half chamber of feed liquor and play liquid half chamber with the corresponding part in cooling chamber, be provided with between the tip of runner spacer and the bottom in cooling chamber and be connected the runner, the conductor crimping piece with form out the liquid flow path between plug terminal's the tubular connecting portion, the conductor crimping piece on seted up and be connected the feed liquor groove of feed liquor half chamber and business turn over liquid mouth and be connected play liquid half chamber and play liquid flow path's play liquid groove.
As a preferred scheme, in the needle type liquid cooling plug connector of the power core wire, the specific structure of the liquid inlet sealing connector comprises: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part, 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 liquid inlet and outlet is a threaded hole matched with a corresponding mounting screw, after the mounting screw is sleeved with the upper sealing ring, the upper sealing hole, the screw upper through hole, the liquid flow cavity, the screw lower through hole and the lower sealing hole on the connecting seat are sequentially penetrated through, and then the lower sealing ring is sleeved and screwed in the liquid inlet and outlet, so that the connecting seat is fixed on the mounting part of the plug terminal.
Preferably, in the needle-type liquid-cooled connector for a power core wire, the bolt body of the mounting screw is provided with a liquid flow hole from the end part inwards along the central line.
As a preferable scheme, in the needle type liquid-cooled plug connector of the power core wire, at least two liquid flow holes communicated with the liquid flow hole are uniformly formed in the bolt body of the mounting screw along the circumferential direction.
Preferably, in the needle-type liquid-cooled connector for the power core wire, a gap is formed between the flow passage partition piece and the bottom of the cooling cavity to form the connecting flow passage.
Preferably, in the needle-type liquid-cooled connector for the power core wire, at least one overflowing hole is formed in one end, close to the bottom of the cooling cavity, of the flow passage partition piece.
As a preferable scheme, in the needle-type liquid-cooled connector of the power core wire, at least one overflowing hole is formed at one end of the flow passage partition piece close to the bottom of the cooling cavity to form the connecting flow passage.
As a preferable scheme, in the needle type liquid cooling plug connector of the power core wire, a temperature sensor mounting hole for mounting a temperature sensor is formed on the mounting part of the plug terminal.
The utility model has the advantages that: pin type liquid cooling plug connector through its inside unique cooling runner structure, can carry out fine cooling to the entire body of plug terminal, improved the cooling effect greatly. In addition, the structure of the liquid inlet sealing connector is more compact, and the size is reduced, so that the space occupied by the liquid inlet sealing connector in a charging cable is reduced, meanwhile, the weight of the liquid inlet sealing connector is also reduced, and the cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of the needle-type liquid-cooling connector of the present invention.
Fig. 2 is a schematic sectional structure view of the needle type liquid cooling connector of the structure of the present invention.
Fig. 3 is a schematic cross-sectional view of a needle-type liquid-cooled connector according to another embodiment of the present invention.
Fig. 4 is a schematic view of the sectional structure a-a of fig. 3.
Fig. 5 is an exploded view of a needle liquid cooling connector according to one embodiment of the present invention.
Fig. 6 is an exploded view of a needle liquid-cooled connector according to another embodiment of the present invention.
Fig. 7 is a structural schematic view from one perspective of the conductor crimping member shown in fig. 3.
Fig. 8 is a structural schematic view of another perspective of the conductor crimp member shown in fig. 3.
Fig. 9 is a perspective view of one perspective of the conductor crimp member shown in fig. 3.
Fig. 10 is a perspective view of another perspective view of the conductor crimp member shown in fig. 3.
Reference numerals in fig. 1 to 10 are respectively: 2. the plug-in terminal comprises a plug-in terminal body, 20, an installation part, 201, a temperature sensor installation groove, 202, a liquid inlet and outlet port, 21, a needle-shaped plug-in part, 211, a liquid inlet half cavity, 212, a liquid outlet half cavity, 213, a connection flow channel, 22, a tubular connection part, 23, a liquid outlet flow channel, 28, a touch-proof finger cap, 3, a conductor crimping part, 31, a crimping hole, 32, a flow channel spacer, 321, an overflowing hole, 33, a liquid inlet groove, 34, a liquid outlet groove, 35, a flow guide section, 7, a liquid inlet sealing connector, 70, a liquid inlet connection seat, 701, an upper sealing hole, 703, a screw upper through hole, 705, a liquid flow cavity, 71, an upper sealing ring, 72, a lower sealing ring, 73, a tubular connection part.
Detailed Description
The following describes in detail a detailed embodiment of a needle-type liquid-cooling connector for a power cord according to the present invention with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, fig. 2 and fig. 5, the needle type liquid cooling connector for power core wire of the present invention comprises: a plug terminal 2 and a conductor crimping member 3, said plug terminal 2 further comprising: be located the installation department 20 at middle part, be located anterior needle-like grafting portion 21 and be located the tubulose connecting portion 22 at rear portion, seted up in the installation department 20 of plug terminal 2 with the communicating installation fixed orifices of tubulose connecting portion 22 and with the perpendicular communicating business turn over liquid mouth 202 of installation fixed orifices, be provided with feed liquor sealing connector 7 on this business turn over liquid mouth 202, this feed liquor sealing connector 7's concrete structure includes: the liquid inlet connecting seat 70 is sequentially provided with an upper sealing hole 701, an upper screw through hole 703, a liquid flow cavity 705, a lower screw through hole and a lower sealing hole from top to bottom along an axis, the diameter of the upper sealing hole 701 is equal to that of the lower sealing hole, the diameter of the upper screw through hole 703 is equal to that of the lower screw through hole, the diameter of the upper sealing hole 701 is larger than that of the upper screw through hole 703 to form a step for placing the upper sealing ring 71, the diameter of the lower sealing hole is larger than that of the lower screw through hole to form a step for abutting against the lower sealing ring 72, 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 a hollow structure, that is: the bolt body is provided with a liquid flow hole inwards from the end part; four liquid flowing holes 751 communicated with the liquid flowing holes are formed in the bolt body of the mounting screw 75 along the circumferential direction, and a tubular connecting part 73 vertically communicated with the liquid flowing cavity 705 is further arranged on the liquid inlet connecting seat 70; the liquid inlet and outlet 202 is a threaded hole matched with the mounting screw 75, after the mounting screw 75 is sleeved with the upper sealing ring 71, 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 liquid inlet connecting seat 70 sequentially pass through, and then the lower sealing ring 72 is sleeved and screwed in the liquid inlet and outlet 202 of the mounting part 20 of the plug terminal 2, so that the liquid inlet connecting seat 70 is fixed on the mounting part 20 of the plug terminal 2; a cooling cavity communicated with the fixed mounting hole is formed in the needle-shaped plugging part 21 of the plugging terminal 2; the back 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 flow passage spacer 32 matched with the cooling cavity, the conductor crimping piece 32 is inserted into the mounting fixing hole of the mounting part 20 of the plug terminal 2 in a tight fit manner from the tubular connecting part 22 of the plug terminal 2 (of course, the conductor crimping piece 3 can also be fixed in the plug terminal 2 by adopting a bolt, corresponding bolt holes are formed on the conductor crimping piece 3 and the plug terminal 2, etc.), the flow passage spacer 32 at the front end of the conductor crimping piece 3 is inserted into the cooling cavity to divide the corresponding part of the cooling cavity into a liquid inlet half cavity 211 and a liquid outlet half cavity 212-see fig. 4, a gap as a connecting flow passage 213 is arranged between the end part of the flow passage spacer 32 and the bottom of the cooling cavity in the needle-shaped plug part 21, the conductor crimping piece 3 is provided with a flow guide section 35 with a reduced diameter at the part corresponding to the tubular connecting part 22 of the plug terminal 2, a liquid outlet channel 23 is formed between the flow guide section 35 of the conductor crimping piece 3 and the tubular connecting part 22 of the plug terminal 2, and the conductor crimping piece 3 is provided with a liquid inlet groove 33 for connecting the liquid inlet half cavity 211 and the liquid inlet and outlet 202 and a liquid outlet groove 34 for connecting the liquid outlet half cavity 212 and the liquid outlet channel 23. A temperature sensor mounting groove 201 for mounting a temperature sensor is formed in the mounting part 20 of the plug terminal 2; in this embodiment, a finger-contact-preventing cap 28 is inserted into an end of the needle-like insertion portion 21 of the pin terminal 2.
Example 2:
as shown in fig. 1, 3 and 6, the needle-type liquid cooling connector for a power core wire of the present invention is different from that of embodiment 1, and as shown in fig. 7 to 10, the flow passage spacer 32 at the front end of the conductor crimping member 3 is provided with two flow holes 321 arranged along the length direction of the flow passage spacer 32, and the two flow holes 321 and the gap between the top end of the flow passage spacer 32 and the bottom of the cooling chamber form a connection flow passage together. Except that the connecting flow channel has a different structure from that of embodiment 1, the rest of the structure is the same, and is not described again.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the shapes, structures, features and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A needle-type liquid-cooled connector for a power core wire, comprising: the plug terminal, this plug terminal is including again: the installation department that is located the middle part, be located anterior needle-like grafting portion and be located the tubular connecting portion at rear portion, its characterized in that: the mounting part of the plug-in terminal is provided with a mounting fixing hole communicated with the tubular connecting part and a liquid inlet and outlet vertically communicated with the mounting fixing hole, the liquid inlet and outlet is provided with a liquid inlet sealing connector, and the needle-shaped plug-in part of the plug-in terminal is provided with a cooling cavity communicated with the fixing mounting hole; needle type liquid cooling plug connector of power heart yearn still including: with fixed mounting hole assorted conductor crimping spare, the crimping hole has been seted up at the rear portion of this conductor crimping spare, the front end of conductor crimping spare be provided with cooling chamber matched with runner spacer, the conductor crimping spare from the installation fixed orifices of the cartridge at the plug terminal installation department in the tubulose connecting portion of plug terminal, the runner spacer of conductor crimping spare front end insert in the cooling chamber, separate into the corresponding part in cooling chamber and feed liquor half chamber and play liquid half chamber, be provided with between the tip of runner spacer and the bottom in cooling chamber and be connected the runner, the conductor crimping spare with form out the liquid flow way between the tubulose connecting portion of plug terminal, the conductor crimping spare on seted up and connected feed liquor half chamber and the feed liquor groove of business turn over liquid mouth and be connected half chamber of feed liquor and play liquid flow way's play liquid groove.
2. The needle-type liquid-cooled connector of claim 1, further comprising: the concrete structure of feed liquor sealing connector includes: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part, 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 liquid inlet and outlet is a threaded hole matched with a corresponding mounting screw, after the mounting screw is sleeved with the upper sealing ring, the upper sealing hole, the screw upper through hole, the liquid flow cavity, the screw lower through hole and the lower sealing hole on the connecting seat are sequentially penetrated through, and then the lower sealing ring is sleeved and screwed in the liquid inlet and outlet, so that the connecting seat is fixed on the mounting part of the plug terminal.
3. The needle-type liquid-cooled connector of a power core according to claim 2, characterized in that: the bolt body of the mounting screw is provided with a liquid flow hole inwards from the end part along the central line.
4. The needle-type liquid-cooled connector of a power core according to claim 2, characterized in that: 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.
5. The needle-type liquid-cooled connector of a power core according to claim 1, characterized in that: and a gap is arranged between the flow passage spacer and the bottom of the cooling cavity to form the connecting flow passage.
6. The needle-type liquid-cooled connector of a power cord according to claim 5, wherein: and one end of the flow passage spacer, which is close to the bottom of the cooling cavity, is provided with at least one overflowing hole.
7. The needle-type liquid-cooled connector of a power core according to claim 1, characterized in that: and one end of the flow channel spacer, which is close to the bottom of the cooling cavity, is provided with at least one overflowing hole to form the connecting flow channel.
8. The needle-type liquid-cooled connector for electrical power cords according to any of claims 1 to 7, characterized in that: and the mounting part of the plug terminal is provided with a temperature sensor mounting hole for mounting a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022318707.0U CN212991394U (en) | 2020-10-16 | 2020-10-16 | Needle type liquid cooling plug connector of power core wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022318707.0U CN212991394U (en) | 2020-10-16 | 2020-10-16 | Needle type liquid cooling plug connector of power core wire |
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| Publication Number | Publication Date |
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| CN212991394U true CN212991394U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022318707.0U Active CN212991394U (en) | 2020-10-16 | 2020-10-16 | Needle type liquid cooling plug connector of power core wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN202022318707.0U patent/CN212991394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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