CN219349834U - Integrated sheath type high-power cable - Google Patents
Integrated sheath type high-power cable Download PDFInfo
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- CN219349834U CN219349834U CN202320574036.5U CN202320574036U CN219349834U CN 219349834 U CN219349834 U CN 219349834U CN 202320574036 U CN202320574036 U CN 202320574036U CN 219349834 U CN219349834 U CN 219349834U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses an integrated sheath type high-power cable, which belongs to the technical field of cables, and is characterized in that the main body of the cable is of a double-wire side-by-side structure, a corrugated outer sleeve layer, an outer protective layer and a sealing layer are arranged on the outer wall of the main body, a first cavity and a second cavity are arranged in the sealing layer side by side, power cables are arranged in the first cavity and the second cavity, sealing parts connected with the sealing layer are arranged at the connecting positions of the first cavity and the second cavity, gaps between the first cavity and the second cavity and the power cables are used for accommodating cooling liquid and realizing unidirectional circulation flow of the cooling liquid, the power cable comprises an isolation layer, an insulating layer and a wire core, and a plurality of connecting pieces are arranged between the outer wall of the isolation layer and the sealing layer.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an integrated sheath type high-power cable.
Background
The high-power cable can bear high voltage or high current to work for a long time, and particularly in a new energy automobile, the high-power cable is used for connecting a power battery, an inverter, an electric control, a motor and other parts in series, is a core part for power operation and control of the new energy automobile, the battery, the inverter, the electric control and the motor all need proper working temperature intervals, the motor cannot be overheated, the conventional lithium battery has the working temperature of-20 ℃ to 60 ℃, but the lithium battery performance is reduced after the temperature is generally lower than 0 ℃, the discharging capacity is correspondingly reduced, and the working temperature of the lithium battery with complete performance is usually 0 ℃ to 40 ℃.
In order to control the working temperature of a battery, an inverter, an electric control or a motor, the current mainstream mode is to compensate the temperature by means of cooling liquid circulation, namely, cooling operation is carried out on a component at high temperature by means of cooling liquid, and when required, heating operation is also carried out on a low-temperature component by means of cooling liquid circulation; generally, the working heating components (such as an inverter and a motor) are used for carrying out proper heating operation on the environment low-temperature components (such as a battery), so that on one hand, the two components can work more stably, and on the other hand, the energy consumption caused by heating or refrigerating operation can be reduced;
the existing cooling liquid is conveyed through independent pipelines, so that the arrangement structure of the pipelines is complex, the number of parts is large, and when the cooling liquid is arranged and installed, a large space is reserved for vehicles, meanwhile, the production efficiency of installation and arrangement is reduced, and the production and manufacturing costs are increased.
Disclosure of Invention
The utility model aims to provide an integrated sheath type high-power cable, wherein the cable is arranged in an integrated sheath structure, and cooling liquid is wrapped on the periphery of the power cable to flow, so that the power cable and the cooling liquid can be conveyed together.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides an integrative sheath formula high power cable, the main part is double-line structure side by side, and its outer wall is equipped with ripple jacket layer, outer sheath and sealing layer, the inside first cavity and the second cavity of being equipped with side by side of sealing layer, power cable has been arranged in the first cavity and the inside power cable that has arranged of second cavity, first cavity and second cavity junction are equipped with the sealing portion of being connected with the sealing layer, the space between first cavity and second cavity and the power cable is used for holding the coolant liquid to realize the unidirectional circulation flow of coolant liquid, the power cable includes insulating layer, insulating layer and sinle silk, a plurality of connecting pieces have been arranged between insulating layer outer wall and the sealing layer.
Further, the outer wall of the corrugated outer sleeve layer is provided with yellow coating.
Further, a flexible heat insulating material is arranged inside the sealing part.
Further, the cooling liquid is polyester-grade glycol cooling liquid, glycerol-type cooling liquid or fluoridation cooling liquid.
Further, the cooling liquid has a color development structure.
Further, the connecting piece is a nylon or polypropylene filament braided stay rope structure.
Further, the connecting pieces are circumferentially arranged at intervals of 90 degrees.
Further, a traction wire structure is arranged inside the isolation layer.
Adopt this scheme, compare prior art, have following benefit:
the integral sheath type high-power cable is characterized in that the main body is of a double-line side-by-side structure, a flat pipeline is used for arranging a high-voltage direct-current double-line and a cooling liquid circulation double-tube structure, a battery and an electric control circuit are connected for illustration, two direct-current wires and two cooling liquid pipelines are needed for the traditional wiring structure, 4 circuits are needed to be arranged in total, and the scheme can be used for completing all connection by only one pipeline, so that the integration degree of parts can be provided, when the cable is arranged in a car body, the integration degree of parts can be also very flexible and convenient, when the pipeline needs to pass through a firewall of a chassis or a carriage, only a long waist hole needs to be formed, the structure is tighter, and the installation, the use and the maintenance are also more convenient;
the scheme realizes the same-cable conveying of the power cable and the cooling liquid, can be matched with a circulating structure of a high-voltage direct-current double-wire cable, can realize the cold-hot circulating operation of the cooling liquid, and can realize the heat utilization and heat control management of a battery, an inverter, an electric control or a motor by being matched with a heat management system and peripheral heating or heat dissipation equipment, thereby greatly providing the utilization efficiency and accurate heat management of heat energy;
in order to provide the sealing and isolating effects of the cooling liquid, an isolating layer is arranged on the outer wall of the power cable, a sealing layer is arranged on the outer wall of the first cavity, and a spiral bracket is arranged in the sealing layer, so that the sealing and supporting effects of the pipeline are realized, the installability of the structure is improved, and the diameter of the pipeline is reduced;
in order to better enable the cooling liquid to smoothly flow, particularly under the condition that the cable is arranged to have certain bending, a plurality of connecting pieces which are of traction structures which are arranged in a 90-degree encircling manner are arranged between the outer wall of the isolation layer and the sealing layer, so that even if the cable is moderately bent, the interface area of the cooling liquid flowing can not be obviously reduced.
Drawings
Fig. 1 is a schematic overall structure of a preferred embodiment.
Fig. 2 is an exploded view of the layered structure of the cable.
Fig. 3 is a schematic cross-sectional structure of a cable.
Detailed Description
The integral sheath type high-power cable with reference to fig. 1, 2 and 3 is used for connecting a control battery, an inverter, an electric control or a motor to realize power transmission, in particular to realize the transmission of high-power high-voltage direct current.
The integral sheath type high-power cable is characterized in that the main body of the integral sheath type high-power cable is of a flat double-wire side-by-side structure, the outer wall of the integral sheath type high-power cable is provided with a corrugated outer sleeve 11, an outer protective layer 12 and a sealing layer 13, a first cavity 16 and a second cavity 17 are arranged in the sealing layer 13 side by side, a power cable 2 is arranged in the first cavity 16 and the second cavity 17, a sealing part 14 connected with the sealing layer 13 is arranged at the joint of the first cavity 16 and the second cavity 17, and a gap between the first cavity 16 and the second cavity 17 and the power cable 2 is used for accommodating cooling liquid and realizing unidirectional circulating flow of the cooling liquid.
The corrugated outer wall structure of the corrugated outer layer 11 can provide structural strength of the pipeline, particularly when the cable passes through the hole, cutting of the metal piece to the corrugated outer wall structure can be reduced, and the yellow coating is arranged on the outer wall of the corrugated outer layer 11, so that the corrugated outer wall structure can play roles in warning and convenient identification.
The cooling liquid is polyester-grade glycol cooling liquid, glycerol-type cooling liquid or fluorinated cooling liquid, particularly can be selected as fluorinated cooling liquid, has the characteristics of low freezing point, high boiling point, high heat conduction efficiency and non-conduction, is particularly suitable for being used on new energy automobiles, is particularly suitable for being arranged coaxially with the power cable 2, can be placed with certain pigment or fuel when necessary, and has a color development structure like green or purple, so that the cooling liquid can be well identified in case of leakage.
The two power cables 2 are respectively used for connecting circuits and comprise an insulating layer 21, an insulating layer 22 and a wire core 23, wherein the insulating layer 21 is used for insulating cooling liquid and has the characteristic of preventing permeation of the cooling liquid, a circle of traction wires are arranged inside the insulating layer 22 and can play a role in traction and improving the strength of pulling resistance, the insulating layer 22 is used for playing an insulating role and preventing breakdown under the condition of high voltage, and the wire core 23 is usually a multi-strand twisted copper wire and is used for conveying high-voltage direct current.
In order to better ensure the flow of the cooling liquid and enable the pipeline to run smoothly, a plurality of connecting pieces 15 are uniformly arranged between the isolation layer 21 and the sealing layer 13 at intervals, the connecting pieces 15 are of nylon or polypropylene filament woven inhaul cable structures, the corrosion resistance and the structural strength are good, the connecting pieces are 15 in a 90-degree encircling arrangement state at intervals, the power cable 2 can be ensured to be always positioned near the central line of the first cavity 16 or the second cavity 17 under the condition that the cable is slightly bent and routed, and therefore the situation that the cooling liquid is excessively extruded and flows unsmoothly can be prevented.
The sealing part 14 is internally provided with a flexible heat insulating material, and can also be a porous flexible heat insulating material, so that the sealing part can play a role in heat insulation and heat preservation of two cooling liquid pipelines, has the characteristics of flexibility and multiple holes, can easily bend the pipelines, can receive expansion caused by heating of cooling liquid, reduces pressure damage to the outer wall, and is also convenient for pipeline wiring operation.
In actual installation, the interfaces 3 are respectively installed at two ends of the cable, wherein the power cable 2 is led out from the front end in a straight line, and the cooling liquid is correspondingly connected by the cooling liquid port 31 at the interface 3, so that the installation efficiency can be greatly improved.
In summary, the integral sheath type high-power cable of this scheme, the main part is double-line side by side structural arrangement, have arranged high-voltage direct current double-line and coolant circulation double-tube structure with a flat pipeline, regard circuit connecting battery and automatically controlled as the explanation, traditional wiring structure needs two direct current electric wires and two coolant liquid pipelines, totally need to arrange 4 lines, and this scheme only needs a pipeline to accomplish all connections, so can provide the integrality of spare part, when arranging in the automobile body, also very nimble convenient, when the pipeline needs to pass the firewall of chassis or carriage, only need to set up a long waist hole can, the structure is inseparabler, it is also more convenient to install, use and maintain;
the scheme realizes the same-cable conveying of the power cable and the cooling liquid, can be matched with a circulating structure of a high-voltage direct-current double-wire cable, can realize the cold-hot circulating operation of the cooling liquid, and can realize the heat utilization and heat control management of a battery, an inverter, an electric control or a motor by being matched with a heat management system and peripheral heating or heat dissipation equipment, thereby greatly providing the utilization efficiency and accurate heat management of heat energy;
in order to provide the sealing and isolating effects of the cooling liquid, an isolating layer is arranged on the outer wall of the power cable, a sealing layer is arranged on the outer wall of the first cavity, and a spiral bracket is arranged in the sealing layer, so that the sealing and supporting effects of the pipeline are realized, the installability of the structure is improved, and the diameter of the pipeline is reduced;
in order to better enable the cooling liquid to smoothly flow, particularly under the condition that the cable is arranged to have certain bending, a plurality of connecting pieces which are of traction structures which are arranged in a 90-degree encircling manner are arranged between the outer wall of the isolation layer and the sealing layer, so that even if the cable is moderately bent, the interface area of the cooling liquid flowing can not be obviously reduced.
Claims (8)
1. Integrative sheath formula high power cable, its characterized in that: the main part is double-line structure side by side, and its outer wall is equipped with ripple jacket layer, outer sheath and sealing layer, the inside first cavity and the second cavity of being equipped with side by side of sealing layer, power cable has been arranged to first cavity and the inside power cable that has arranged of second cavity, first cavity and second cavity junction are equipped with the sealing portion of being connected with the sealing layer, the space between first cavity and second cavity and the power cable is used for holding the coolant liquid to realize the unidirectional circulation flow of coolant liquid, power cable includes insulating layer, insulating layer and sinle silk, a plurality of connecting pieces have been arranged between insulating layer outer wall and the sealing layer.
2. The integral jacketed high power cable of claim 1, wherein: the outer wall of the corrugated outer sleeve layer is provided with yellow coating.
3. The integral jacketed high power cable of claim 1, wherein: a flexible insulating material is disposed within the seal.
4. The integral jacketed high power cable of claim 1, wherein: the cooling liquid is polyester-grade glycol cooling liquid, glycerol-type cooling liquid or fluoridation cooling liquid.
5. The integral jacketed high power cable of claim 4, wherein: the cooling liquid has a color development structure.
6. The integral jacketed high power cable of claim 1, wherein: the connecting piece is of a nylon or polypropylene filament braided inhaul cable structure.
7. The integral jacketed high power cable of claim 1, wherein: the connecting pieces are circumferentially arranged at intervals of 90 degrees.
8. The integral jacketed high power cable of claim 1, wherein: and a traction wire structure is arranged in the isolation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320574036.5U CN219349834U (en) | 2023-03-22 | 2023-03-22 | Integrated sheath type high-power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320574036.5U CN219349834U (en) | 2023-03-22 | 2023-03-22 | Integrated sheath type high-power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219349834U true CN219349834U (en) | 2023-07-14 |
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ID=87096277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320574036.5U Active CN219349834U (en) | 2023-03-22 | 2023-03-22 | Integrated sheath type high-power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219349834U (en) |
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2023
- 2023-03-22 CN CN202320574036.5U patent/CN219349834U/en active Active
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