CN211088572U - Cable terminal subassembly and vehicle that has it - Google Patents
Cable terminal subassembly and vehicle that has it Download PDFInfo
- Publication number
- CN211088572U CN211088572U CN201921908884.5U CN201921908884U CN211088572U CN 211088572 U CN211088572 U CN 211088572U CN 201921908884 U CN201921908884 U CN 201921908884U CN 211088572 U CN211088572 U CN 211088572U
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- Prior art keywords
- terminal
- cable
- water jacket
- liquid cooling
- insulating layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 239000002826 coolant Substances 0.000 claims abstract description 21
- 235000014676 Phragmites communis Nutrition 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 244000273256 Phragmites communis Species 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 12
- 238000002955 isolation Methods 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 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
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect 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
- 230000000694 effects Effects 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
- 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: a cable, the cable comprising: the liquid cooling device comprises a core conductor, an insulating layer sleeved outside the core conductor and a cable water jacket sleeved outside the insulating layer, wherein a liquid cooling channel is formed between the cable water jacket and the insulating layer; a terminal mounted on an end of the core conductor; the wire harness water jacket is sleeved at the joint of the cable and the terminal and is also provided with an isolation section at least partially covering the terminal and the insulating layer, a liquid cooling chamber communicated with the liquid cooling channel is arranged in the wire harness water jacket, and cooling liquid is suitable for circulating in the liquid cooling channel and the liquid cooling chamber. According to the utility model discloses a cable terminal subassembly can use the uninsulated coolant liquid that mobility is good, with low costs to carry out cooling to cable terminal subassembly to be favorable to reducing the overcurrent temperature of cable terminal subassembly, so that the cable terminal subassembly can bear bigger charging current.
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, the cable comprising: the cable cooling device comprises a core conductor, an insulating layer sleeved outside the core conductor and a cable water jacket sleeved outside the insulating layer, wherein a liquid cooling channel is formed between the cable water jacket and the insulating layer; a terminal mounted on an end of the core conductor; the pencil water jacket, the pencil water jacket cover is established the cable with the junction of terminal, just the first end of pencil water jacket with the laminating of the outer peripheral face of cable water jacket, the second end with the laminating of the outer peripheral face of terminal, the pencil water jacket still have at least partially cover the terminal with the isolated section of insulating layer, the inside of pencil water jacket have with the liquid cooling cavity of liquid cooling passageway intercommunication, the coolant liquid be suitable for the liquid cooling passageway with the circulation in the liquid cooling cavity.
According to the utility model discloses cable terminal subassembly can use the uninsulated coolant liquid that mobility is good, with low costs to cool down cable terminal subassembly to be favorable to reducing the overcurrent temperature of cable terminal subassembly, so 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 terminal body is also provided with a temperature sensor mounting position extending into the terminal body.
According to some embodiments of the present invention, the first end of the wire harness water jacket is fixed on the cable water jacket by a first steel tie, and the second end of the wire harness water jacket is fixed on the terminal by a second steel tie.
According to some embodiments of the invention, the isolation section is located in the liquid-cooled chamber.
According to some embodiments of the invention, the insulation section extends from the second end of the wire harness water jacket to the direction of the insulation layer.
Further, the isolation section is fixed on the insulating layer through a third steel cable tie.
According to some embodiments of the invention, 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 insulating layer 12, a cable water jacket 13, a liquid cooling channel 14, 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, an isolation section 35, a first steel cable tie 4, a second steel cable tie 5, an external water pipe 6 and a third steel cable tie 7.
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 comprises: the liquid cooling device comprises a core conductor 11, an insulating layer 12 sleeved outside the core conductor 11 and a cable water jacket 13 sleeved outside the insulating layer 12, wherein a liquid cooling channel 14 is formed between the cable water jacket 13 and the insulating layer 12.
The core conductor 11 is used for conducting electricity, optionally, the core conductor 11 is a copper wire, and the insulating layer 12 has an insulating function, so that the cable 1 is safe to use, and the core conductor 11 is prevented from being leaked electricity. Optionally, the cable jacket 13 is a porous structure to form a liquid cooling channel 14 for flowing cooling liquid, so as to facilitate reducing the temperature of the core conductor 11 after overcurrent, and thus, increasing the current that can be transmitted by the core conductor 11 without increasing the cross-sectional area of the core conductor 11, and shortening the charging time can be realized.
The cable 1 is fixedly connected with the terminal 2, specifically, the terminal 2 is installed at the end of the core conductor 11, the insulating layer 12 and the cable jacket 13 are not provided at the end of the core conductor 11, so that the core conductor 11 is partially exposed, and the terminal 2 is fixedly connected with the end of the core conductor 11, so that the electric energy transmission between the terminal 2 and the core conductor 11 is realized.
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 cable water jacket 13, the second end 32 of the wire harness water jacket is attached to the outer peripheral surface of the terminal 2, the wire harness water jacket 3 further comprises an isolation section 35 at least partially covering the terminal 2 and the insulating layer 12, a liquid cooling chamber 34 communicated with the liquid cooling channel 14 is arranged inside the wire harness water jacket 3, and cooling liquid is suitable for circulating in the liquid cooling channel 14 and the liquid cooling chamber 34.
Specifically, the isolating section 35 isolates the coolant from the live terminal 2, and the isolating section 35 also isolates the coolant from the exposed core conductor 11, that is, the coolant does not directly contact the live part of the terminal 2 and the core conductor 11, so that the insulation effect between the live part and the coolant is good, and the coolant can be non-insulated coolant with good fluidity, thereby being beneficial to reducing the temperature rise problem of the cable terminal assembly during overcurrent by increasing the flow rate of the coolant, and certainly, the coolant can also be insulated coolant.
The heat conduction efficiency of the cooling liquid is high, the overcurrent temperature of the cable terminal assembly can be effectively reduced, specifically, the heat of the core conductor 11 is transmitted to the cooling liquid through the insulating layer 12, and the heat of the joint of the cable 1 and the terminal 2 is transmitted to the cooling liquid through the isolation section 35. The wire harness water jacket 3 is further provided with an external water pipe 6, the external water pipe 6 is communicated with the liquid cooling chamber 34, 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 continuous cooling of the wire harness terminal assembly is achieved.
According to the utility model discloses a cable terminal subassembly can use the uninsulated coolant liquid that mobility is good, with low costs to carry out cooling to cable terminal subassembly to be favorable to reducing the overcurrent temperature of cable terminal subassembly, so that the cable terminal subassembly can bear bigger charging current.
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 terminal reed 22 is arranged at the plug end 212 to form a female terminal, and the terminal reed 22 can fix male terminals of other components and conduct electricity.
Referring to fig. 2, the number of the terminal reeds 22 is multiple, and the terminal reeds 22 are sequentially arranged along the length extending direction of the terminal body 21, that is, by increasing the length of the terminal body 21, more terminal reeds 22 can be accommodated in the terminal body 21, and the terminal reeds 22 can increase the contact area of the male terminal 212 and the male terminal of other components at the plugging 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 plugging position after overcurrent. Alternatively, 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. 1 and 2, a first end 31 of the harness water jacket 3 is fixed on the cable water jacket 13 through a first steel tie 4, and a second end 32 of the harness water jacket 3 is fixed on the terminal 2 through a second steel tie 5, so as to prevent the coolant from leaking and affecting the hydraulic pressure of the coolant.
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 14 and the liquid cooling chamber 34 has a coolant inlet and the other has a coolant 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 is taken away by the flowing coolant, thereby facilitating the rise of the charging current that the cable terminal assembly can carry.
Referring to fig. 2, the isolation section 35 is located in the liquid cooling chamber 34, the crimping position of the fixed end 211 and the core conductor 11 is located in the liquid cooling chamber 34, the crimping position is electrified, and the isolation section 35 isolates the cooling liquid from the electrified crimping position, so that the cable terminal assembly can use the non-insulated cooling liquid with good fluidity.
Referring to fig. 2, the isolation section 35 extends from the second end 32 of the harness water jacket 3 to the direction of the insulating layer 12, i.e., from right to left, to isolate the coolant in the liquid cooling chamber 34 from the live terminal 2.
Referring to fig. 2, the isolation section 35 is secured to the insulating layer 12 by a third steel tie 7 to isolate the coolant in the liquid cooling chamber 34 from the exposed core conductor 11.
Alternatively, the harness water jacket 3 is a rubber water jacket. 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 13 and the wiring harness water jacket 3 which are increased are calculated, the utility model discloses a cableThe cost of the cable 1 is only the traditional cross section area of 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:
cable (1), the cable (1) comprising: the liquid cooling device comprises a core conductor (11), an insulating layer (12) sleeved outside the core conductor (11), and a cable water jacket (13) sleeved outside the insulating layer (12), wherein a liquid cooling channel (14) is formed between the cable water jacket (13) and the insulating layer (12);
a terminal (2), the terminal (2) being mounted on an end of the core conductor (11);
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 cable water jacket (13), second end (32) with the outer peripheral face laminating of terminal (2), pencil water jacket (3) still have at least partially cover terminal (2) with spacing section (35) of insulating layer (12), the inside of pencil water jacket (3) have with liquid cooling chamber (34) of liquid cooling passageway (14) intercommunication, the coolant liquid be suitable for liquid cooling passageway (14) with circulate in liquid cooling chamber (34).
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 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).
5. The cable terminal assembly according to claim 1, wherein the first end (31) of the harness water jacket (3) is secured to the cable water jacket (13) by a first steel tie (4) and the second end (32) of the harness water jacket (3) is secured to the terminal (2) by a second steel tie (5).
6. The cable terminal assembly of claim 1, wherein said isolating segment (35) is located within said liquid-cooled chamber (34).
7. The cable terminal assembly according to claim 1, 5 or 6, characterized in that the insulation segment (35) extends from the second end (32) of the harness water jacket (3) in the direction of the insulation layer (12).
8. Cable termination assembly according to claim 7, wherein the insulation segment (35) is fixed to the insulation layer (12) by a third steel bandage (7).
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 |
|---|---|---|---|
| CN201921908884.5U CN211088572U (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 |
|---|---|---|---|
| CN201921908884.5U CN211088572U (en) | 2019-11-07 | 2019-11-07 | Cable terminal subassembly and vehicle that has it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088572U true CN211088572U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908884.5U Active CN211088572U (en) | 2019-11-07 | 2019-11-07 | Cable terminal subassembly and vehicle that has it |
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| Country | Link |
|---|---|
| CN (1) | CN211088572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109651A1 (en) * | 2022-11-22 | 2024-05-30 | 长春捷翼汽车科技股份有限公司 | Liquid-cooled cable harness and vehicle |
-
2019
- 2019-11-07 CN CN201921908884.5U patent/CN211088572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109651A1 (en) * | 2022-11-22 | 2024-05-30 | 长春捷翼汽车科技股份有限公司 | Liquid-cooled cable harness and vehicle |
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