CN211088574U - Cable terminal subassembly and vehicle that has it - Google Patents
Cable terminal subassembly and vehicle that has it Download PDFInfo
- Publication number
- CN211088574U CN211088574U CN201921908922.7U CN201921908922U CN211088574U CN 211088574 U CN211088574 U CN 211088574U CN 201921908922 U CN201921908922 U CN 201921908922U CN 211088574 U CN211088574 U CN 211088574U
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- terminal
- cable
- water jacket
- core conductor
- liquid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000004020 conductor Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 239000000110 cooling liquid Substances 0.000 claims abstract description 18
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 235000014676 Phragmites communis Nutrition 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 13
- 244000273256 Phragmites communis Species 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model discloses a cable terminal subassembly and vehicle that has it. The cable terminal assembly includes: the cable comprises a core conductor and an outer protective layer sleeved outside the core conductor; a terminal mounted at an end of the core conductor and separated from the outer protective layer; the wire harness water jacket is sleeved at the joint of the cable and the terminal, the first end of the wire harness water jacket is attached to the outer peripheral surface of the external protective layer, the second end of the wire harness water jacket is attached to the outer peripheral surface of the terminal, a liquid cooling chamber is arranged inside the wire harness water jacket, insulating cooling liquid is suitable for flowing through the liquid cooling chamber, and the cooling liquid is in direct contact with the core conductor. According to the utility model discloses a cable terminal subassembly cools off the junction of core conductor and terminal with direct contact's mode through insulating coolant liquid to be favorable to reducing the temperature behind core conductor and the terminal junction overcurrent effectively, with the realization cable terminal subassembly can bear bigger charging current, and can avoid the coolant liquid electrified.
Description
Technical Field
The utility model relates to an automotive filed particularly, relates to a cable terminal subassembly and vehicle that has it.
Background
For shortening the charging time of the electric automobile, improving the charging power of the electric automobile, and improving the charging current of the electric automobile is an effective method, but the large current can cause the cable terminal assembly to generate heat, especially at the joint of the male terminal and the female terminal and the joint of the cable and the terminal, which will affect the safety performance of the electric automobile during large-current charging.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a cable terminal subassembly can reduce the overcurrent temperature of cable terminal subassembly.
The utility model also provides a vehicle that has above-mentioned cable terminal subassembly.
According to the utility model discloses cable terminal subassembly includes: a cable having a core conductor and an outer protective layer sheathed outside the core conductor; a terminal mounted at an end of the core conductor and separated from the outer protective layer; the wire harness water jacket is sleeved on the cable and the joint of the terminal, the first end of the wire harness water jacket is attached to the outer peripheral surface of the external protective layer, the second end of the wire harness water jacket is attached to the outer peripheral surface of the terminal, a liquid cooling chamber is arranged inside the wire harness water jacket, insulating cooling liquid is suitable for flowing in the liquid cooling chamber, and the cooling liquid is in direct contact with the core conductor.
According to the utility model discloses cable terminal subassembly cools off the junction of core conductor and terminal with direct contact's mode through insulating coolant liquid to be favorable to reducing the temperature behind core conductor and the terminal junction overcurrent effectively, in order to realize that the cable terminal subassembly can bear bigger charging current.
According to some embodiments of the invention, the terminal comprises: the terminal comprises a terminal body and a terminal reed, wherein one end of the terminal body is a fixed end, the other end of the terminal body is an inserting end, the fixed end is suitable for being fixed with the core conductor in a compression joint mode, and the terminal reed is arranged at the inserting end.
Further, the number of the terminal spring pieces is plural, and the plural terminal spring pieces are sequentially arranged along the length extending direction of the terminal body.
Furthermore, the plug end is provided with a plug cavity, and the terminal reed is arranged on the inner peripheral cavity wall of the plug cavity.
Furthermore, the terminal body is also provided with a temperature sensor mounting position extending into the terminal body.
According to some embodiments of the invention, the outer protective layer comprises: an insulating layer sleeved outside the core conductor; the cable water jacket, the cable water jacket cover is established outside the insulating layer, the pencil water jacket first end with the laminating of the outer peripheral face of cable water jacket, just the cable water jacket with form the liquid cooling passageway between the insulating layer, the liquid cooling passageway with the liquid cooling cavity is linked together.
Further, the first end of the wire harness water jacket is fixed on the outer peripheral surface of the cable water jacket through a first cable tie, and the second end of the wire harness water jacket is fixed on the outer peripheral surface of the terminal through a second cable tie.
Further, one of the liquid cooling channel and the liquid cooling chamber has a cooling liquid inlet, and the other has a cooling liquid outlet.
Further, the wire harness water jacket is a rubber water jacket.
According to another aspect embodiment of the present invention, a vehicle includes the above cable terminal assembly.
The vehicle and the cable terminal assembly have the same advantages compared with the prior art, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a perspective view of a cable terminal assembly;
fig. 2 is a schematic structural view of a cable terminal assembly.
Reference numerals:
the cable comprises a cable 1, a core conductor 11, an outer protective layer 12, an insulating layer 121, a cable water jacket 122, a liquid cooling channel 13, a terminal 2, a terminal body 21, a fixed end 211, a plug end 212, a terminal reed 22, a temperature sensor mounting position 23, a plug cavity 24, a wire harness water jacket 3, a first end 31, a second end 32, a wire harness water jacket connecting part 33, a liquid cooling chamber 34, a first cable tie 4, a second cable tie 5 and an external water pipe 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
A cable terminal assembly according to an embodiment of the present invention is described in detail below with reference to fig. 1-2.
Referring to fig. 1 and 2, the cable terminal assembly includes: cable 1, terminal 2, wire harness water jacket 3.
The cable 1 is provided with a core conductor 11 and an outer protective layer 12 sleeved outside the core conductor 11, wherein the core conductor 11 is used for conducting electricity, optionally, the core conductor 11 is a copper wire, and the outer protective layer 12 has an insulating function, so that the use safety of the cable 1 is ensured.
The terminal 2 is mounted on an end of the core conductor 11 and is separated from the outer protective layer 12, that is, the terminal 2 is fixedly connected to the core conductor 11 to enable electric power transmission between the terminal 2 and the core conductor 11, but the terminal 2 is separated from the outer protective layer 12 to partially expose the core conductor 11.
The wire harness water jacket 3 is sleeved at the joint of the cable 1 and the terminal 2, the first end 31 of the wire harness water jacket 3 is attached to the outer peripheral surface of the external protective layer 12, the second end 32 of the wire harness water jacket 3 is attached to the outer peripheral surface of the terminal 2, the liquid cooling chamber 34 is arranged inside the wire harness water jacket 3, the insulating cooling liquid is suitable for flowing in the liquid cooling chamber 34 and directly contacts with the core conductor 11, the heat conduction efficiency of the cooling liquid is high, the heat of the core conductor 11 can be effectively led out, the wire harness water jacket 3 is further provided with the external water pipe 6, the external water pipe 6 is communicated with the liquid cooling chamber 34, the cooling liquid flows into or flows out of the liquid cooling chamber 34 through the external water pipe 6, a cooling liquid loop can be formed, and then the continuous cooling of the joint.
According to the utility model discloses a cable terminal subassembly cools off core conductor 11 and terminal 2's junction with direct contact's mode through the coolant liquid to be favorable to reducing the temperature behind core conductor 11 and the overcurrent of terminal 2 junction effectively, so that the cable terminal subassembly can bear bigger charging current, the coolant liquid is insulating coolant liquid simultaneously, when coolant liquid and core conductor 11 direct contact, can avoid the coolant liquid electrified.
Referring to fig. 1 and 2, the terminal 2 includes: the terminal comprises a terminal body 21 and a terminal reed 22, wherein one end of the terminal body 21 is a fixed end 211, the other end of the terminal body is a plug end 212, the fixed end 211 is suitable for being fixed with the core conductor 11 in a pressing mode, the plug end 212 is suitable for being plugged with a male terminal of other components, the terminal reed 22 is arranged at the plug end 212 to form a female terminal, and the terminal reed 22 can fix the male terminal of the other components and conduct electricity.
Referring to fig. 2, the number of the terminal strips 22 is plural, and the plural terminal strips 22 are arranged in series along the length extending direction of the terminal body 21. That is to say, by increasing the length of the terminal body 21, more terminal reeds 22 can be accommodated in the terminal body 21, and the plurality of terminal reeds 22 can increase the contact area of the male terminal of the plug end 212 and other components at the plug position, thereby reducing the contact resistance and increasing the heat dissipation area, so as to reduce the temperature rise of the male terminal and the female terminal at the plug position after overcurrent.
Alternatively, as shown in fig. 2, the number of the terminal strips 22 is two.
Referring to fig. 2, the plug end 212 has a plug cavity 24, and the terminal strip 22 is disposed on the inner peripheral wall of the plug cavity 24 to allow a male terminal of another component to be inserted into the plug cavity 24 and fixed in the terminal strip 22.
Referring to fig. 2, the terminal body 21 is further provided with a temperature sensor mounting position 23 extending into the terminal body 21, and the temperature sensor can be mounted on the temperature sensor mounting position 23, so that the temperature of the terminal body 21 can be measured more accurately, and functions such as over-temperature alarm can be realized.
Referring to fig. 2, the outer protective layer 12 includes: insulating layer 121, cable jacket 122.
The insulating layer 121 is fitted over the core conductor 11 to prevent leakage of electricity from the core conductor 11. The cable water jacket 122 is sleeved outside the insulating layer 121, the first end 31 of the harness water jacket 3 is attached to the outer peripheral surface of the cable water jacket 122, a liquid cooling passage 13 is formed between the cable water jacket 122 and the insulating layer 121, and the liquid cooling passage 13 is communicated with the liquid cooling chamber 34. Optionally, the cable jacket 122 is a porous structure to form the liquid cooling channel 13 for flowing the cooling liquid, so as to facilitate reducing the temperature of the core conductor 11 after the overcurrent, and thus, increasing the current that can be transmitted by the core conductor 11 and shortening the charging time can be achieved without increasing the cross-sectional area of the core conductor 11.
Referring to fig. 1 and 2, the first end 31 of the harness water jacket 3 is fixed to the outer circumferential surface of the cable water jacket 122 by the first tie 4, and the second end 32 of the harness water jacket 3 is fixed to the outer circumferential surface of the terminal 2 by the second tie 5, so as to prevent the coolant from leaking and affecting the hydraulic pressure of the coolant.
Optionally, the first band 4 and the second band 5 are both steel bands.
Referring to fig. 1 and 2, the first end 31 of the wire harness water jacket 3 and the second end 32 of the wire harness water jacket 3 are both hollow circular truncated cone structures, so as to facilitate assembly of the wire harness water jacket 3, the first end 31 of the wire harness water jacket 3 and the second end 32 of the wire harness water jacket 3 are connected through a wire harness water jacket connecting part 33, the wire harness water jacket connecting part 33 can be a hollow cylindrical structure, the diameter of the hollow cylinder is larger than the outer diameter of the cable 1, so as to form a liquid cooling chamber 34 for circulation of cooling liquid, and the external water pipe 6 is connected with the wire harness water jacket connecting part 33, so as to form a cooling liquid loop.
Referring to fig. 1 and 2, one of the liquid cooling passage 13 and the liquid cooling chamber 34 has a cooling liquid inlet and the other has a cooling liquid outlet, so that heat of the core conductor 11 and the portion where the core conductor 11 is fixed in pressure contact with the fixed end 211 can be taken away by the flowing cooling liquid, thereby facilitating the increase of the charging current that can be carried by the cable terminal assembly.
Alternatively, the wire harness water jacket 3 is a rubber water jacket, and further, the wire harness water jacket 3 is a thin-walled rubber water jacket.
According to the utility model discloses vehicle of another aspect embodiment, including the cable terminal subassembly of above-mentioned embodiment, specifically, the cable terminal subassembly can be used to in electric automobile's the charging circuit. Other configurations of the vehicle, such as the chassis, transmission, etc., are well known to those skilled in the art and therefore will not be described in detail herein.
The cable terminal assembly can also be applied to the problems of cost reduction, weight reduction, overcurrent capacity improvement and the like of a High-voltage cable, meanwhile, the cable terminal assembly can be used as a large-current High-voltage wire harness, one of core components in the HPC (High Power Charging) technology, the HPC technology means that the Charging Power exceeds 300KW, an electric automobile can be charged to more than 80% of electric quantity within 10-15 minutes, the Charging voltage (direct current) exceeds 750V under the normal condition, the Charging current exceeds 400A, the cross section area of the traditional High-voltage cable reaches 95mm due to the increase of the voltage and the current and the reduction of heat generation2And more than one meter in length with a cross-sectional area of 95mm2High-voltage cable weight reach 1011g to lead to high-voltage cable to arrange limited, the cost risees, under the condition of equal charging power, the utility model discloses a 1 sectional area of cable only needs 35mm2The weight of the cable 1 with the length of one meter is 544g, and the devices such as the cable water jacket 122 and the wiring harness water jacket 3 which are increased are calculated, the utility model discloses a 1 cost of the cable is only that the traditional sectional area is 95mm240% of the cost of the high voltage cable.
In the future, the endurance of the electric automobile can exceed 600KM, the electric quantity of the battery is close to 100 ℃, so that if better charging experience is required, the charging work current reaches 400-600A, and the cross section area of a traditional high-voltage cable with the over-current exceeding 600A exceeds 200mm2And the sectional area of the cable 1 of the utility model only needs 50mm2The use requirement can be met.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A cable terminal assembly, comprising:
a cable (1), the cable (1) having a core conductor (11) and an outer protective layer (12) sheathed outside the core conductor (11);
a terminal (2), the terminal (2) being mounted on an end of the core conductor (11) and separated from the outer protective layer (12);
pencil water jacket (3), pencil water jacket (3) cover is established cable (1) with the junction of terminal (2), just first end (31) of pencil water jacket (3) with the outer peripheral face laminating of external protection layer (12), second end (32) with the outer peripheral face laminating of terminal (2), the inside of pencil water jacket (3) has liquid cooling chamber (34), and insulating coolant liquid is suitable for circulate in liquid cooling chamber (34), just the coolant liquid with core conductor (11) direct contact.
2. Cable terminal assembly according to claim 1, characterized in that the terminal (2) comprises: the terminal comprises a terminal body (21) and a terminal reed (22), wherein one end of the terminal body (21) is a fixed end (211), the other end of the terminal body is a plug end (212), the fixed end (211) is suitable for being fixed with the core conductor (11) in a pressing mode, and the terminal reed (22) is arranged at the plug end (212).
3. The cable terminal assembly according to claim 2, wherein the number of the terminal reeds (22) is plural, and the plural terminal reeds (22) are arranged in series along a length extending direction of the terminal body (21).
4. Cable termination assembly according to claim 2, wherein the plug end (212) has a plug cavity (24), the terminal spring leaves (22) being arranged on an inner circumferential cavity wall of the plug cavity (24).
5. Cable terminal assembly according to claim 2, characterized in that the terminal body (21) is further provided with a temperature sensor mounting location (23) protruding into the interior of the terminal body (21).
6. Cable terminal assembly according to claim 1, characterized in that the outer protective layer (12) comprises:
an insulating layer (121), the insulating layer (121) being sleeved outside the core conductor (11);
cable water jacket (122), cable water jacket (122) cover is established outside insulating layer (121), wire harness water jacket (3) first end (31) with the laminating of the outer peripheral face of cable water jacket (122), just cable water jacket (122) with form liquid cooling passageway (13) between insulating layer (121), liquid cooling passageway (13) with liquid cooling cavity (34) are linked together.
7. The cable terminal assembly according to claim 6, wherein the first end (31) of the harness water jacket (3) is fixed to an outer circumferential surface of the cable water jacket (122) by a first tie (4), and the second end (32) of the harness water jacket (3) is fixed to an outer circumferential surface of the terminal (2) by a second tie (5).
8. The cable terminal assembly of claim 6, wherein one of said liquid cooling channel (13) and said liquid cooling chamber (34) has a cooling liquid inlet and the other has a cooling liquid outlet.
9. The cable terminal assembly according to claim 1, wherein the harness water jacket (3) is a rubber water jacket.
10. A vehicle, characterized in that it comprises a cable terminal assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908922.7U CN211088574U (en) | 2019-11-07 | 2019-11-07 | Cable terminal subassembly and vehicle that has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908922.7U CN211088574U (en) | 2019-11-07 | 2019-11-07 | Cable terminal subassembly and vehicle that has it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088574U true CN211088574U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908922.7U Active CN211088574U (en) | 2019-11-07 | 2019-11-07 | Cable terminal subassembly and vehicle that has it |
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| Country | Link |
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| CN (1) | CN211088574U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386600A (en) * | 2021-07-14 | 2021-09-14 | 浙江吉利控股集团有限公司 | Cable and charging pile |
| CN115009059A (en) * | 2022-08-02 | 2022-09-06 | 宁波瑞电科技有限公司 | New energy charging pile wire harness with safety protection function |
| WO2023174260A1 (en) * | 2022-03-14 | 2023-09-21 | 长春捷翼汽车科技股份有限公司 | Connector assembly having liquid cooling function, and vehicle |
-
2019
- 2019-11-07 CN CN201921908922.7U patent/CN211088574U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386600A (en) * | 2021-07-14 | 2021-09-14 | 浙江吉利控股集团有限公司 | Cable and charging pile |
| CN113386600B (en) * | 2021-07-14 | 2022-11-15 | 浙江吉利控股集团有限公司 | Cable and charging pile |
| WO2023174260A1 (en) * | 2022-03-14 | 2023-09-21 | 长春捷翼汽车科技股份有限公司 | Connector assembly having liquid cooling function, and vehicle |
| CN115009059A (en) * | 2022-08-02 | 2022-09-06 | 宁波瑞电科技有限公司 | New energy charging pile wire harness with safety protection function |
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