CN112713414A - Liquid cooling terminal structure for high-power charging - Google Patents
Liquid cooling terminal structure for high-power charging Download PDFInfo
- Publication number
- CN112713414A CN112713414A CN202011562409.4A CN202011562409A CN112713414A CN 112713414 A CN112713414 A CN 112713414A CN 202011562409 A CN202011562409 A CN 202011562409A CN 112713414 A CN112713414 A CN 112713414A
- Authority
- CN
- China
- Prior art keywords
- cable
- liquid cooling
- copper core
- pipeline
- adapter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
-
- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
Abstract
The invention provides a liquid cooling terminal assembly for high-power charging, which comprises a liquid cooling cable and a quick connector, wherein a cable built-in pipeline is arranged in the center of the liquid cooling cable, and a cable conductor is coated outside the cable built-in pipeline; one end of the quick joint is connected with the built-in pipeline, and the other end of the quick joint is provided with a tubular copper core; the other end, corresponding to one end of the tubular copper core connected with the quick connector, is provided with an adapter; the cable conductor, the tubular copper core and the adapter are connected in a compression joint mode to form a compression joint area. The invention has the advantages of high charging speed, good waterproof effect, convenient installation and low production cost.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the related technical field of electric automobiles, and particularly relates to the field of a liquid cooling terminal structure for high-power charging of an electric automobile.
[ background of the invention ]
The new energy automobile replacing fuel oil automobile is a common consensus of all countries in the world, and with the continuous progress of scientific technology, the new energy automobile is also rapidly developed towards the light weight, integration and intellectualization direction. The requirements for charging power and charging speed are higher and higher, the sectional area of a conductor is simply increased, the current-carrying capacity cannot meet the actual use requirements, the prior art also provides a high-power liquid-cooled charging gun, a cooling pipe in a general liquid-cooled cable is led out from the conductor, the conductor is in compression joint with a terminal, cooling only acts on a cable part, the temperature of a terminal compression joint area and a contact area with a socket is still high, the temperature of the terminal compression joint area and the contact area with the socket are also high, some technologies are used for glue-pouring heat dissipation of the compression joint area, the occupied space is large, the heat dissipation effect is not obvious, actual processing is complex; the crimping zone and the contact zone become weak points in the overall circulation loop.
Therefore, a new technical scheme is required to be provided to change the current situation, and the design scheme of the liquid cooling terminal assembly for high-power charging can well solve the problems.
[ summary of the invention ]
In order to solve the above problems, the present invention provides a liquid cooling terminal assembly for high power charging, which has the following technical scheme:
the liquid cooling cable comprises a liquid cooling cable and a quick connector, wherein a cable built-in pipeline is arranged in the center of the liquid cooling cable, one end of the quick connector is connected with the built-in pipeline, and the other end of the quick connector is connected with a tubular copper core; the other end, corresponding to one end of the tubular copper core connected with the quick connector, is provided with an adapter; one end of the adapter is connected with a power terminal through threads; the power terminal is internally of a hollow structure, and a through cooling pipeline is formed inside a component connected with the cable and the terminal; the cable conductor is coated outside the cable built-in pipeline; the cable conductor is coated on the outer wall of the tubular copper core and is further assembled in a hole at the rear end of the adapter to be in compression joint, so that a compression joint area is formed.
Optionally, the other end that the adaptor corresponds with the one end that the tubulose copper core links to each other is provided with the power terminal, the side is provided with the right angle adapter on the adaptor, right angle adapter one end is connected with outer cooling tube.
Optionally, the crimping area is of a hollow structure, a cooling channel is arranged inside the crimping area, and the crimping area is in a shape of an inner circle and an outer hexagon.
Optionally, the cable built-in pipeline is made of a material with high strength and high thermal conductivity.
Optionally, the cable conductor is of a grouped spiral structure, and a cable outer insulating sheath is arranged outside the cable conductor.
Optionally, the outer diameter of the tubular copper core crimping area is equal to the outer diameter of the cable built-in pipeline.
Optionally, the tubular copper core and the adaptor are connected in a compression joint mode, and a double-layer sealing element is arranged between the outer wall of the tubular copper core at the front end of the compression joint area and the inner wall of the adaptor; the adapter is in threaded connection with the power terminal, a groove is formed in the side face of the adapter, a boss is arranged at the power terminal at the joint, and a sealing piece is arranged in the groove.
Optionally, insulating heat-shrinkable sheaths are arranged outside the crimping area and the cable conductor.
Optionally, the adaptor and the power terminal are in a pipe thread connection mode, and the quick connector and the tubular copper core are in a pipe thread connection mode.
Optionally, the crimping area is a hollow inner circle outer hexagon structure, one side of the crimping area is provided with a supporting tool consisting of a split groove type driver cylinder and a thimble, the supporting tool is separated into two stages and exits after the crimping area is crimped, the thimble exits firstly, the split groove driver cylinder retracts and exits after the thimble exits, the tail of the power terminal is connected with the adapter in a pipe thread connection mode after the supporting tool exits, the head of the power terminal is connected with the insulating cap in an interference fit mode through a buckle structure, and the insulating cap can prevent fingers from mistakenly contacting the conductor to achieve the effects of insulation and electric shock protection.
[ PROBLEMS ] the present invention
The invention has the advantages of high charging speed, good waterproof effect, convenient installation and low production cost; the cable adopts a 25-square small-specification copper conductor, a cooling pipe is arranged in the center of the cable, the cooling liquid can adopt conductive cooling liquid, the flow rate of the cooling liquid is not influenced by temperature, heat can be taken away quickly, the specification of a 120-square copper conductor is replaced, the requirement of large-current transmission of the small-specification cable is really met, two groups of inlet and outlet cooling pipes are in a parallel state, the assembly space is saved, and the potential safety hazard after bending and aging of a large cable is avoided; the detachable structure design reduces the assembly difficulty, improves the production efficiency, saves the labor cost and improves the maintenance efficiency.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 shows a split groove type ejector sleeve and thimble supporting tool for crimping according to the present invention;
FIG. 4 is a schematic view of the tooling of the present invention in use during crimping;
in the figure: the method comprises the following steps of 1-liquid cooling cable, 101-cable outer insulating layer, 102-cable built-in pipeline, 103-cable conductor, 2-quick connector, 3-tubular copper core, 4-first sealing ring, 5-adaptor, 6-power terminal, 7-insulating cap, 8-right angle adaptor, 9-outer cooling pipeline, 10-second sealing ring, 11-insulating heat-shrinkable sheath, 12-crimping area, 13-split groove type ejector sleeve and 14-ejector pin.
[ detailed description ] embodiments
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" includes two, and is equivalent to at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The techniques are further described below in conjunction with figures 1-4 and the specific embodiments to aid in understanding the present application.
As shown in fig. 1, the invention provides a liquid cooling terminal assembly for high-power charging, which comprises a liquid cooling cable (1), a quick connector (2), a tubular copper core (3), an adapter (5), a first sealing ring (4), a second sealing ring (10), a power terminal (6), an insulating cap (7), a right-angle adapter (8) and an external cooling pipeline (9); as shown in fig. 3, a cable built-in pipeline (102) is arranged at the center of the liquid cooling cable (1), a cable conductor (103) is arranged outside the cable built-in pipeline (102), and the cable conductor (103) is in a grouping spiral structure and uniformly covers the surface of the cable built-in pipeline (102); a cable outer insulating layer (101) is arranged outside the cable conductor (103); the arrangement structure can ensure that the cable conductor (103) can keep the original shape and is not easy to scatter after the cable outer insulating sheath (101) is stripped.
As shown in fig. 2, the cable built-in pipeline (102) is connected with the quick connector (2), the quick connector (2) is connected with the tubular copper core (3), and the cable conductor (103) is reserved with a certain length to wrap the quick connector (2) and further wrap the outer diameter of the tubular copper core (3); the outer diameters of the internal cables (102) with the tubular copper cores (3) are the same, so that the cable conductors (103) are still uniformly coated on the outer diameters of the tubular copper cores (3); further, the cable conductor (103) and the tubular copper core (3) are together penetrated into the adapter (5) for crimping. Specifically, the crimping is as shown in fig. 3 and 4, fig. 3 is a supporting tool combining a split-groove type ejector sleeve (13) and a thimble (14), the head of the split-groove type ejector sleeve (13) is provided with a split-groove structure which can deform in the radial direction, the thimble (14) is assembled inside the split-groove type ejector sleeve (13) and plays a role of rigid support, the split-groove type ejector sleeve (13) is supported and cannot deform in the radial direction after the thimble (14) is installed, the supporting tool combining the split-groove type ejector sleeve (13) and the thimble (14) is installed at the front end of the tubular copper core (3) before crimping, the thimble (14) of the supporting tool exits firstly after crimping, and the split-groove type ejector sleeve (13) shrinks in the radial direction and exits smoothly after the thimble (14) exits; the adaptor (5) is crimped into a hollow structure with inner circle and outer hexagon at the position corresponding to the crimping area (12). The crimping mode has the advantages that the cable conductors are uniformly distributed between the copper core and the adaptor, crimping is reliable, crimping resistance is low, a pipeline at the center of a crimping area cannot deform, smooth circulation of cooling liquid is ensured, and the problem of overhigh temperature rise of the crimping area of the terminal in the prior art is solved.
As shown in fig. 2, the front end of the adapter (5) is in threaded connection with the power terminal (6), the upper side surface of the adapter (5) is connected with the right-angle adapter (8), and the front end of the power terminal (6) is provided with an insulating cap (7) for electric shock protection; the right-angle adapter (8) is further connected with the external cooling channel (9) and is connected with the external cooling channel by adopting the right-angle adapter, and the inlet and outlet cooling channels are in a parallel state, so that the installation is convenient and easy to operate, and the space is saved; the power terminal (6) is of a hollow structure, a gap is formed between the outer wall of the tubular copper core (3) and the inner wall of the power terminal (6), and a cooling medium can flow in the gap; furthermore, a first sealing ring (4) is arranged between the front end of the adapter piece (5) and the power terminal (6), and a second sealing ring (10) is arranged between the tubular copper core (3) and the adapter piece (5), so that the cooling medium can be prevented from leaking. When the cooling device works, cooling medium enters from the built-in pipeline (102) of the liquid cooling cable and flows out from the external cooling pipeline through the gap in the assembly to form a complete circulation loop, and cooling channels are arranged in all electrified elements, so that the whole cable and the assembly can be comprehensively cooled, and the overtemperature weak point is avoided.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a high-power liquid cooling terminal structure for charging which characterized in that: the liquid cooling cable comprises a liquid cooling cable (1) and a quick connector (2), wherein a cable built-in pipeline (102) is arranged in the center of the liquid cooling cable (1), one end of the quick connector (2) is connected with the built-in pipeline (102), and the other end of the quick connector is connected with a tubular copper core (3); an adapter (5) is arranged at the other end corresponding to one end of the tubular copper core (3) connected with the quick joint (2); one end of the adaptor (5) is connected with a power terminal (6) through threads; the power terminal (6) is of a hollow structure, and a through cooling pipeline is formed inside a component connected with the cable and the terminal; a cable conductor (103) is coated outside the cable built-in pipeline (102); the cable conductor (103) is coated on the outer wall of the tubular copper core (3) and is further assembled in a hole at the rear end of the adapter (5) to be crimped to form a crimping area (12).
2. The liquid cooling terminal structure for high power charging according to claim 1, wherein: the other end that adaptor (5) and the one end that tubulose copper core (3) link to each other correspond is provided with power terminal (6), the side is provided with right angle adapter (8) on adaptor (5), right angle adapter (8) one end is connected with outer cooling tube way (9).
3. The liquid cooling terminal structure for high power charging according to claim 1, wherein: the crimping area (12) is of a hollow structure, a cooling channel is arranged inside the crimping area, and the crimping area (12) is in a shape of a hexagon with an inner circle and an outer circle.
4. The liquid cooling terminal structure for high power charging according to claim 1, wherein: the cable built-in pipeline (102) is made of high-strength and high-thermal conductivity materials.
5. The liquid cooling terminal structure for high power charging according to claim 1, wherein: the cable conductor (103) is of a grouped spiral structure, and a cable outer insulating sheath (101) is arranged outside the cable conductor (103).
6. The liquid cooling terminal structure for high power charging according to claim 1, wherein: the outer diameter of the crimping area of the tubular copper core (3) is equal to that of the cable built-in pipeline (102).
7. The liquid cooling terminal structure for high power charging according to claim 2, wherein: the tubular copper core (3) and the adaptor (5) are connected in a compression joint mode, and a double-layer sealing element (4) is arranged between the outer wall of the tubular copper core (3) at the front end of the compression joint area (12) and the inner wall of the adaptor (5); the adapter (5) is in threaded connection with the power terminal (6), a groove is formed in the side face of the adapter (5), a boss is arranged on the power terminal (6) at the joint, and a sealing piece (10) is arranged in the groove.
8. The liquid cooling terminal structure for high power charging according to claim 1, wherein: and insulating heat-shrinkable sheaths (11) are arranged outside the crimping area (12) and the cable conductor (103).
9. The liquid cooling terminal structure for high power charging according to claim 1, wherein: the adapter (5) and the power terminal (6) are connected in a pipe thread mode, and the quick connector (2) and the tubular copper core (3) are connected in a pipe thread mode.
10. The liquid cooling terminal structure for high power charging according to claim 2, wherein: crimping district (12) are the hexagonal structure outside the circle in cavity, and one side is provided with the support frock of compriseing split groove formula department section of thick bamboo (13) and thimble (14), and the support frock divides the two-stage to withdraw from after crimping district (12) crimping, and thimble (14) withdraw from earlier, and split groove department section of thick bamboo (13) radial shrinkage withdraws from after the thimble withdraws from, support frock withdraw from back power terminal (6) afterbody and adaptor (5) adopt the pipe thread connected mode to be connected, and the head and the insulating cap (7) of power terminal (6) adopt buckle structure interference fit to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562409.4A CN112713414A (en) | 2020-12-25 | 2020-12-25 | Liquid cooling terminal structure for high-power charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562409.4A CN112713414A (en) | 2020-12-25 | 2020-12-25 | Liquid cooling terminal structure for high-power charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112713414A true CN112713414A (en) | 2021-04-27 |
Family
ID=75546516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011562409.4A Pending CN112713414A (en) | 2020-12-25 | 2020-12-25 | Liquid cooling terminal structure for high-power charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112713414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023100466A1 (en) * | 2021-11-30 | 2023-06-08 | 住友電気工業株式会社 | Connector with electric wire |
-
2020
- 2020-12-25 CN CN202011562409.4A patent/CN112713414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023100466A1 (en) * | 2021-11-30 | 2023-06-08 | 住友電気工業株式会社 | Connector with electric wire |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230283000A1 (en) | Connection element for electrically connecting a fluid-coolable individual line, fluid-coolable individual line unit, and charging cable | |
| JP7075144B2 (en) | Series cooling structure of positive and negative liquid-cooled electric cables of a kind of high-power charging stand | |
| CN108847316B (en) | Parallel cooling mode of liquid cooling cables DC + and DC-special for 600A direct current charging pile | |
| CN108899122B (en) | Series cooling mode of special liquid cooling cables DC + and DC-for direct current 600A charging gun | |
| CN108538484B (en) | High-power charging pile DC + and DC-series cold liquid-cooled cable | |
| WO2019184882A1 (en) | Parallel cold liquid-cooled cable for exclusive use of high-power charging pile positive pole and negative pole | |
| CN111200200B (en) | Liquid cooling cable for liquid cooling charging socket of new energy electric automobile | |
| CN111129856A (en) | Liquid cooling cable for new forms of energy electric automobile charging socket | |
| CN211295534U (en) | Liquid cooling cable for new forms of energy electric automobile charging socket | |
| CN109727713B (en) | High-power charging pile cold-stringing cable with red copper corrugated pipe structure | |
| CN111105899A (en) | Liquid cooling cable of European standard direct current charging gun | |
| CN107317141A (en) | Connection terminal and electrical connection module with cooling function | |
| CN102468539A (en) | Connection structure of cold-insulation superconducting cable shielding layer current lead and assembly method thereof | |
| CN112713414A (en) | Liquid cooling terminal structure for high-power charging | |
| CN210805262U (en) | High-current-carrying cable for quick charging | |
| CN108806851B (en) | Special liquid cooling cable of new energy automobile direct current 600A rifle that charges | |
| CN214313550U (en) | Liquid cooling terminal structure for high-power charging | |
| CN108461204B (en) | Connection structure of software wire and liquid cooling electrode of special liquid cooling cable of high-power charging pile | |
| WO2021197422A1 (en) | Electric energy transmission aluminum part and machining process therefor | |
| CN202930576U (en) | Copper-aluminium conductor crimping terminal | |
| CN109887670B (en) | High-power charging pile parallel cooling cable with red copper corrugated pipe structure | |
| CN215451003U (en) | Air cooling cable | |
| CN211294719U (en) | Liquid cooling cable of European standard direct current charging gun | |
| CN110581387A (en) | Disconnect-type pyrocondensation terminal | |
| NL2030495B1 (en) | Liquid-cooling device for power supply core wires with plug terminals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |