CN109755784B - Liquid cooling cable electrode inner structure for high-power charging pile - Google Patents
Liquid cooling cable electrode inner structure for high-power charging pile Download PDFInfo
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- CN109755784B CN109755784B CN201910116139.5A CN201910116139A CN109755784B CN 109755784 B CN109755784 B CN 109755784B CN 201910116139 A CN201910116139 A CN 201910116139A CN 109755784 B CN109755784 B CN 109755784B
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- liquid
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- cooling liquid
- cable
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- 238000001816 cooling Methods 0.000 title claims abstract description 52
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 239000000110 cooling liquid Substances 0.000 claims abstract description 78
- 239000002826 coolant Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 238000010992 reflux Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model provides a high-power liquid cooling cable electrode inner structure for filling electric pile, includes the cable electrode body, and the one end of cable electrode body is equipped with the electrode pipeline, and the other end is equipped with the coolant liquid inlet, is equipped with the coolant liquid outlet on the pipe wall of electrode pipeline. The end face of the electrode pipeline is provided with a wire connecting port used for being connected with a liquid cooling cable soft wire, and the wire connecting port is communicated with the cooling liquid inlet through a connecting through hole. The cooling liquid inner pipe passes through the connecting through hole and is communicated with the cooling liquid inlet, so that a cooling liquid channel is formed in which the cooling liquid enters the liquid cooling cable from the cooling liquid inlet; the outer pipe wall of the electrode pipeline is sleeved with the insulating sleeve, so that the reflux cooling liquid flows back from the outside of the cooling liquid inner pipe and the inside of the insulating sleeve and flows out from the cooling liquid outlet, and the cooling liquid outer channel of the cooling liquid outflow liquid cooling cable is formed.
Description
Technical Field
The invention relates to the field of high-power charging piles used for new energy electric vehicles, in particular to a liquid cooling cable electrode internal structure for a high-power charging pile.
Background
The charging time is an important factor for restricting the development of the new energy automobile, and if the new energy automobile is fully charged in a short time, a large charging voltage and charging current are required, so that the conventional cable is overheated and cannot be used. The patent with the application number of 201810249723.3 discloses a special DC+ and DC-parallel cooling liquid cooling cable for a high-power charging pile, and solves the problem of overheating of the cable of the high-power charging pile through a parallel cooling liquid cooling technology. For the liquid cooled cable electrode used in the 201810249723.3 patent, the application CN201810250203.4 further discloses a cold liquid cable electrode.
The cable electrode described in the patent application number CN201810250203.4 is connected with an insulating sleeve through an electrode pipeline, a wire connecting port is connected with a soft wire, an inner cavity of the inner cooling liquid pipe is a cooling liquid inner channel, the inner cooling liquid pipe is communicated with a liquid inlet of the cable electrode, and an outer cooling liquid channel is communicated with a liquid outlet of the cable electrode, so that a cooling channel of cooling liquid in the cable electrode is formed, but a specific internal structure of the cooling channel of the cable electrode is not disclosed.
Disclosure of Invention
In order to further perfect a DC+ and DC-parallel cooling liquid cooling cable special for a high-power charging pile, the invention discloses a cable electrode internal structure used in the parallel cooling liquid cooling cable, which has the following technical scheme:
the liquid cooling cable electrode internal structure for the high-power charging pile comprises a cable electrode body, wherein one end of the cable electrode body is provided with an electrode pipeline, the other end of the cable electrode body is provided with a cooling liquid inlet, and the pipe wall of the electrode pipeline is provided with a cooling liquid outlet; the end face of the electrode pipeline is provided with a wire connecting port used for being connected with a liquid cooling cable soft wire, the wire connecting port is communicated with the cooling liquid inlet through a connecting through hole, and the inner diameter of the connecting through hole is smaller than that of the electrode pipeline.
In order to further improve the technical scheme, the inside interior cooling copper pipe that is provided with of wire connector, the one end and the connection through-hole sealing connection of interior cooling copper pipe, the other end outwards stretches out the wire connector, and the external diameter of interior cooling copper pipe is less than the internal diameter of electrode pipeline.
In order to further improve the technical scheme, the outer diameter of one end of the inner cooling copper pipe extending out of the wire connecting port is smaller than the outer diameter of one end of the inner cooling copper pipe, which is in sealing connection with the connecting through hole.
In order to further improve the technical scheme, the internal cooling copper pipe is in threaded connection with the connecting through hole.
In order to further improve the technical scheme, the internal cooling copper pipe is connected with the connecting through hole in an interference fit mode.
In order to further improve the technical scheme, the liquid inlet of the cooling liquid is connected with a liquid inlet quick connector; and the liquid outlet of the cooling liquid is connected with a liquid outlet quick connector.
In order to further improve the technical scheme, the cooling liquid inlet is connected with a liquid inlet quick connector through a sealing shaft sleeve.
In order to further improve the technical scheme, the bottom surface of coolant liquid inlet is equipped with the sealing washer counter bore, is provided with the sealing washer between sealing washer counter bore and the sealed axle sleeve.
In order to further improve the technical scheme, the bottom surface of the sealing ring counter bore is a conical surface.
In order to further improve the technical scheme, the outer pipe wall of the electrode pipeline is provided with horse teeth.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the liquid-cooled cable electrode internal structure for the high-power charging pile, disclosed by the invention, a soft wire of a liquid-cooled cable is in pressure connection with a wire connection port of a cable electrode body to form a conductive path; the inner cavity of the cooling liquid inner pipe is a cooling liquid inner channel, and the cooling liquid inner pipe passes through the connecting through hole and is communicated with the cooling liquid inlet, so that a cooling liquid enters the cooling liquid inner channel of the liquid cooling cable from the cooling liquid inlet; the outer pipe wall of the electrode pipeline is sleeved with the insulating sleeve, so that the reflux cooling liquid flows back from the outside of the cooling liquid inner pipe and the inside of the insulating sleeve and flows out from the cooling liquid outlet, and a cooling liquid outer channel of the cooling liquid outflow liquid cooling cable is formed; the inner cooling channel and the outer cooling channel form the inner cooling channel of the cable electrode in the background technology, so that the inner structure of the cable electrode is further perfected and disclosed.
Drawings
Fig. 1 is an axial cross-section of the present invention.
Fig. 2 is an axial cross-sectional view of the present invention having a sealed sleeve, internal cooling copper tube configuration.
Fig. 3 is a schematic diagram of the working principle of embodiment 1.
Fig. 4 is a schematic diagram of the working principle of embodiment 2.
In the figure: 1. a cable electrode body; 1.1, an electrode pipeline; 1.2, a wire connecting port; 1.3, ma Yachi; 1.4, a cooling liquid inlet; 1.5, a liquid outlet of the cooling liquid; 1.6, connecting through holes; 1.7, a seal ring counter bore; 2. Sealing the shaft sleeve; 3. an internal cooling copper tube; 4. a seal ring; 5. A cooling liquid inner pipe; 6. A soft wire; 7. An insulating sleeve; 8. the liquid inlet is connected with the joint quickly; 9. the liquid outlet is connected with the joint quickly; 10. sealing clamp; 11. a sealing gasket; 12. a cooling liquid inner passage; 13. and a cooling liquid outer channel.
Detailed Description
The internal structure of the present invention will be explained in detail by the following examples in conjunction with the accompanying drawings, and the purpose of the present invention is to protect all technical improvements within the scope of the present invention.
Example 1: as shown in fig. 1, one end of a cable electrode body 1 is provided with an electrode pipeline 1.1, the other end is provided with a cooling liquid inlet 1.4, and the pipe wall of the electrode pipeline 1.1 is provided with a cooling liquid outlet 1.5; the end face of the electrode pipeline 1.1 is provided with a wire connecting port 1.2 used for being connected with a liquid cooling cable soft wire, the wire connecting port 1.2 is communicated with a cooling liquid inlet 1.4 through a connecting through hole 1.6, and the inner diameter of the connecting through hole 1.6 is smaller than that of the electrode pipeline 1.1.
Working principle: as shown in fig. 3, the outer tube wall of the electrode tube 1.1 is provided with an insulating sleeve 7, and the inner tube wall of the insulating sleeve 7 and the outer tube wall of the coolant inner tube 5 form an annular coolant outer channel 13. The wire connection port 1.2 is crimped with the flexible wire 6 for conducting electricity. The inner cooling liquid pipe 5 passes through the connecting through hole 1.6 and is communicated with the cooling liquid inlet 1.4, and the inner cooling liquid pipe 5 is in sealing connection with the connecting through hole 1.6.
During operation, the coolant enters the coolant inner tube 5 from the coolant inlet 1.4, the inner tube cavity of the coolant inner tube 5 is the coolant inner channel 12, and during backflow, the backflow coolant in the coolant outer channel 13 flows out through the coolant outlet 1.5, so that the circulation of the coolant in the cable electrode inner cooling channel is realized.
Example 2: as shown in fig. 2, one end of the cable electrode body 1 is provided with an electrode pipeline 1.1, the other end is provided with a cooling liquid inlet 1.4, and the pipe wall of the electrode pipeline 1.1 is provided with a cooling liquid outlet 1.5; the end face of the electrode pipeline 1.1 is provided with a wire connecting port 1.2 used for being connected with a liquid cooling cable soft wire, the wire connecting port 1.2 is communicated with a cooling liquid inlet 1.4 through a connecting through hole 1.6, and the inner diameter of the connecting through hole 1.6 is smaller than that of the electrode pipeline 1.1.
In order to prevent the mutual penetration of the cooling liquid in the cooling liquid outlet 1.5 and the cooling liquid inlet 1.4, an inner cooling copper pipe 3 is arranged in the electrode pipeline 1.1, one end of the inner cooling copper pipe 3 is in interference fit connection with the connecting through hole 1.6, the other end of the inner cooling copper pipe extends out of the wire connecting port 1.2, and the outer diameter of one end of the inner cooling copper pipe 3, which extends out of the wire connecting port 1.2, is smaller than the outer diameter of one end which is in sealing connection with the connecting through hole 1.6. The sealing connection of the inner cooling copper tube 3 and the connecting through hole 1.6 can also be a threaded connection, and an interference fit connection is used in the embodiment.
In order to further prevent the mutual permeation of the cooling liquid in the cooling liquid outlet 1.5 and the cooling liquid inlet 1.4, a sealing sleeve 2 is screwed in the cooling liquid inlet 1.4, a sealing ring counter bore 1.7 is arranged on the bottom surface of the cooling liquid inlet 1.4, a sealing ring 4 is arranged between the sealing ring counter bore 1.7 and the sealing sleeve 2, and the mutual permeation of the cooling liquid is prevented through the sealing ring 4.
In order to quickly realize the communication between the external cooling pipe and the cable electrode body 1, a liquid outlet quick connector 9 is screwed in the cooling liquid outlet 1.5, and a liquid inlet quick connector 8 is screwed in the cooling liquid inlet 1.4.
In order to prevent the insulating sleeve 7 from slipping off, the outer cylindrical surface of the electrode pipeline 1.1 is provided with a horse tooth 1.3, the horse tooth is locked and buckled with the Ma Yachi 1.3 through a sealing clamp 10, and a sealing washer 11 is additionally arranged for sealing the reflux cooling liquid.
Working principle: as shown in fig. 4, the outer tube wall of the electrode tube 1.1 is provided with an insulating sleeve 7, and the inner tube wall of the insulating sleeve 7 and the outer tube wall of the coolant inner tube 5 form an annular coolant outer channel 13. The wire connection port 1.2 is crimped with the flexible wire 6 for conducting electricity. The cooling liquid inner pipe 5 is sleeved with one end of the inner cooling copper pipe 3, which extends out of the lead connecting port 1.2.
During operation, cooling liquid enters the inner cooling copper pipe 3 from the liquid inlet quick connector 8, then enters the cooling liquid inner pipe 5 from the inner cooling copper pipe 3, the inner cavity of the cooling liquid inner pipe 5 is the cooling liquid inner channel 12, and during backflow, the backflow cooling liquid in the cooling liquid outer channel 13 flows out through the liquid outlet quick connector 9, so that the circulation of the cooling liquid in the cooling channel inside the cable electrode is realized.
The invention is not described in detail in the prior art.
Claims (9)
1. The utility model provides a high-power fills liquid cooling cable electrode inner structure for electric pile which characterized by: the electrode comprises a cable electrode body (1), wherein one end of the cable electrode body (1) is provided with an electrode pipeline (1.1), the other end of the cable electrode body is provided with a cooling liquid inlet (1.4), and the pipe wall of the electrode pipeline (1.1) is provided with a cooling liquid outlet (1.5); a wire connecting port (1.2) used for being connected with a liquid cooling cable soft wire is arranged on the end face of the electrode pipeline (1.1), the wire connecting port (1.2) is communicated with the cooling liquid inlet (1.4) through a connecting through hole (1.6), and the inner diameter of the connecting through hole (1.6) is smaller than the inner diameter of the electrode pipeline (1.1); an inner cooling copper pipe (3) is arranged in the lead connecting port (1.2), one end of the inner cooling copper pipe (3) is in sealing connection with the connecting through hole (1.6), the other end of the inner cooling copper pipe extends out of the lead connecting port (1.2), and the outer diameter of the inner cooling copper pipe (3) is smaller than the inner diameter of the electrode pipeline (1.1).
2. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 1, wherein: the outer diameter of one end of the inner cooling copper pipe (3) extending out of the lead connecting port (1.2) is smaller than the outer diameter of one end of the inner cooling copper pipe, which is in sealing connection with the connecting through hole (1.6).
3. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 1, wherein: the inner cooling copper pipe (3) is in threaded connection with the connecting through hole (1.6).
4. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 1, wherein: the inner cooling copper pipe (3) is connected with the connecting through hole (1.6) in an interference fit mode.
5. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 1, wherein: the liquid inlet (1.4) of the cooling liquid is connected with a liquid inlet quick connector (8); the liquid outlet (1.5) of the cooling liquid is connected with a liquid outlet quick connector (9).
6. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 1, wherein: the cooling liquid inlet (1.4) is connected with a liquid inlet quick connector (8) through a sealing shaft sleeve (2).
7. The liquid-cooled cable electrode internal structure for high-power charging pile as defined in claim 6, wherein the liquid-cooled cable electrode internal structure is characterized in that: the bottom surface of coolant liquid inlet (1.4) is equipped with sealing washer counter bore (1.7), is provided with sealing washer (4) between sealing washer counter bore (1.7) and sealed axle sleeve (2).
8. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 7, wherein: the bottom surface of the sealing ring counter bore (1.7) is a conical surface.
9. The liquid-cooled cable electrode internal structure for high-power charging pile as set forth in claim 1, wherein: the outer pipe wall of the electrode pipe (1.1) is provided with horse teeth (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116139.5A CN109755784B (en) | 2019-02-11 | 2019-02-11 | Liquid cooling cable electrode inner structure for high-power charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116139.5A CN109755784B (en) | 2019-02-11 | 2019-02-11 | Liquid cooling cable electrode inner structure for high-power charging pile |
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| Publication Number | Publication Date |
|---|---|
| CN109755784A CN109755784A (en) | 2019-05-14 |
| CN109755784B true CN109755784B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910116139.5A Active CN109755784B (en) | 2019-02-11 | 2019-02-11 | Liquid cooling cable electrode inner structure for high-power charging pile |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008002573U1 (en) * | 2008-02-25 | 2008-06-05 | Man Zai Industrial Co., Ltd. | Liquid cooling device |
| CN106402551A (en) * | 2016-08-28 | 2017-02-15 | 杭州富阳中荷电子有限公司 | Detachable connection structure for waterway bypass |
| CN206471997U (en) * | 2016-12-28 | 2017-09-05 | 上海连成（集团）有限公司 | A kind of cooling structure to low sound level pump water-cooled machine |
| CN207692264U (en) * | 2017-12-19 | 2018-08-03 | 深圳市万景华科技有限公司 | The radiator structure of charging pile |
| CN108461204A (en) * | 2018-03-26 | 2018-08-28 | 洛阳正奇机械有限公司 | A kind of connection structure of the software conducting wire and liquid cooling electrode of the special liquid cooling cable of high-power charging pile |
| CN108847316A (en) * | 2018-06-06 | 2018-11-20 | 洛阳正奇机械有限公司 | The dedicated liquid cooling cable DC+ of a kind of 600A direct-current charging post and DC-'s and the cold type of cooling |
| CN108899122A (en) * | 2018-06-06 | 2018-11-27 | 洛阳正奇机械有限公司 | A kind of cold type of cooling of string of the dedicated liquid cooling cable DC+ and DC- of direct current 600A charging gun |
| CN209266627U (en) * | 2019-02-11 | 2019-08-16 | 洛阳正奇机械有限公司 | A kind of high-power charging pile liquid cooling cable electrodes internal structure |
-
2019
- 2019-02-11 CN CN201910116139.5A patent/CN109755784B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008002573U1 (en) * | 2008-02-25 | 2008-06-05 | Man Zai Industrial Co., Ltd. | Liquid cooling device |
| CN106402551A (en) * | 2016-08-28 | 2017-02-15 | 杭州富阳中荷电子有限公司 | Detachable connection structure for waterway bypass |
| CN206471997U (en) * | 2016-12-28 | 2017-09-05 | 上海连成（集团）有限公司 | A kind of cooling structure to low sound level pump water-cooled machine |
| CN207692264U (en) * | 2017-12-19 | 2018-08-03 | 深圳市万景华科技有限公司 | The radiator structure of charging pile |
| CN108461204A (en) * | 2018-03-26 | 2018-08-28 | 洛阳正奇机械有限公司 | A kind of connection structure of the software conducting wire and liquid cooling electrode of the special liquid cooling cable of high-power charging pile |
| CN108847316A (en) * | 2018-06-06 | 2018-11-20 | 洛阳正奇机械有限公司 | The dedicated liquid cooling cable DC+ of a kind of 600A direct-current charging post and DC-'s and the cold type of cooling |
| CN108899122A (en) * | 2018-06-06 | 2018-11-27 | 洛阳正奇机械有限公司 | A kind of cold type of cooling of string of the dedicated liquid cooling cable DC+ and DC- of direct current 600A charging gun |
| CN209266627U (en) * | 2019-02-11 | 2019-08-16 | 洛阳正奇机械有限公司 | A kind of high-power charging pile liquid cooling cable electrodes internal structure |
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| CN109755784A (en) | 2019-05-14 |
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