CN112512145B - 24-volt self-temperature-limiting flame-retardant temperature-control heating cable special for automobile - Google Patents
24-volt self-temperature-limiting flame-retardant temperature-control heating cable special for automobile Download PDFInfo
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- CN112512145B CN112512145B CN202011421449.7A CN202011421449A CN112512145B CN 112512145 B CN112512145 B CN 112512145B CN 202011421449 A CN202011421449 A CN 202011421449A CN 112512145 B CN112512145 B CN 112512145B
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- heating cable
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
- H05B3/565—Heating cables flat cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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Abstract
The invention discloses a 24V self-temperature-limiting flame-retardant temperature-control heating cable special for an automobile, which relates to the technical field of heating cables and comprises an insulating layer and a wire core arranged in the insulating layer, wherein a buffer cushion layer is wrapped outside the insulating layer, a heat dissipation layer is wrapped outside the buffer cushion layer, a ceramic fiber cloth layer is wrapped outside the heat dissipation layer, a tinned copper woven sleeve is woven outside the ceramic fiber cloth layer, a copper wire mesh sleeve is wrapped outside the tinned copper woven sleeve, a paster outer sheath is wrapped outside the copper wire mesh sleeve, and grooves are arranged on two planes outside the buffer cushion layer along the vertical length direction. According to the invention, by arranging the buffer cushion layer, the heat dissipation layer, the ceramic fiber cloth layer, the tinned copper woven sleeve, the copper wire mesh sleeve and the patch outer sheath, the fireproof flame-retardant performance and the buffering and damping performance of the heating cable body are improved, and the problem that the flame-retardant performance and the damping performance of the self-temperature-limiting temperature-control heating cable for the automobile need to be further enhanced is solved.
Description
Technical Field
The invention relates to the technical field of heating cables, in particular to a 24-volt self-temperature-limiting flame-retardant temperature-control heating cable special for an automobile.
Background
The self-temperature-limiting flame-retardant temperature-control heating cable is a cable structure product which takes electric power as energy and utilizes alloy resistance wires to perform power-on heating to achieve the heating or heat-insulating effect, can automatically limit the temperature during heating, and automatically adjusts the output power along with the temperature of a heated body without any additional equipment.
With the development of the internet and the improvement of the economic level, the utilization rate of the vehicle is greatly improved, the vehicle is more convenient to go out, and meanwhile, the performance of the vehicle needs to be gradually improved, for example, an automobile exhaust pipe is exposed in a cold environment without heating and is extremely easy to be frozen, and measures are urgently needed to avoid the possibility that a pipeline is frozen in order to eliminate the potential safety hazard of driving in winter.
Microthermal self-limiting temperature control by temperature change heating cable can realize the initiative heat preservation of vehicle vent-pipe, can be used to play constant temperature companion heat to the interior pipeline of car, the effect of heat preservation frost-proof, the effectual frost-proof problem of solution, it is simple to have a device, it is even to generate heat, long service life, maintain simple advantage, thereby make the frostproofing design of vehicle vent-pipe system simplify, and thoroughly solved the possibility that the pipeline was frozen, because the temperature is higher when vehicle vent-pipe exhausts, and the car is vibrations easily at the in-process that traveles, consequently, need further strengthen to self-limiting temperature control by temperature change heating cable's fire behavior and shock resistance, thereby improve service life, reduce the maintenance cost.
Aiming at the problems, the self-temperature-limiting temperature control heating cable is provided, and the purposes of good flame-retardant effect and good damping effect are achieved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a 24V self-temperature-limiting flame-retardant temperature-control heating cable special for an automobile, and solves the problem that the flame retardant performance and the shock resistance of the self-temperature-limiting temperature-control heating cable for the automobile need to be further enhanced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the 24V self-temperature-limiting flame-retardant temperature-control heating cable special for the automobile comprises an insulating layer and a wire core arranged in the insulating layer, the outside of the insulating layer is wrapped by a cushion layer, the outside of the cushion layer is wrapped by a heat dissipation layer, the outside of the heat dissipation layer is wrapped by a ceramic fiber cloth layer, the outside of the ceramic fiber cloth layer is braided with a tinned copper braided sleeve, the outside of the tinned copper braided sleeve is wrapped with a copper wire mesh sleeve, the outer part of the copper wire mesh is wrapped with a patch outer sheath, grooves are arranged on two planes of the outer part of the cushion layer along the vertical length direction, two ends of the groove on the two planes of the cushion layer respectively extend to the cambered surfaces at the two outer sides of the cushion layer and are close to form a non-shaped side edge, the grooves are distributed at equal intervals along the length extension direction of the cushion pad layer, and concave parts of the heat dissipation layer, which are concave at the positions of the grooves, are embedded into the grooves and connected with the wall surfaces of the grooves.
Preferably, the heat dissipation layer is a metal sleeve.
Preferably, the recess is U-shaped.
Preferably, the paster oversheath comprises metal paster and PVC sheath, the metal paster distributes along PVC sheath global equidistant and attaches outside the PVC sheath, and the metal paster distributes along PVC sheath length extending direction equidistant and attaches outside the PVC sheath.
Preferably, the metal patch attaching surface is a corrugated surface, the metal patch attaching surface is embedded into a shallow groove of the PVC sheath for bonding, and one surface of the metal patch, which is far away from the shallow groove, protrudes out of the shallow groove.
Preferably, two side edges of the metal patch are positioned outside the shallow groove and coated on the outer surface of the PVC sheath.
Preferably, the cushion layer is a soft rubber sleeve.
(III) advantageous effects
The invention provides a 24V self-temperature-limiting flame-retardant temperature-control heating cable special for automobiles, which has the following beneficial effects:
(1) the invention arranges the cushion layer, the heat dissipation layer, the ceramic fiber cloth layer, the tinned copper woven sleeve, the copper wire mesh sleeve and the paster outer sheath, the cushion layer is made of soft rubber and is matched with the densely distributed grooves to have the functions of buffering and damping, meanwhile, the heat dissipation layer forms a concave part which is similar to a spring in function, has elasticity and plays a role of a retainer, the damping effect and the service life of the whole damping mechanism are improved, the heat dissipation layer extends into the heating cable through the concave part, the contact area with heat is increased through the S-shaped structure, the heat in the heating cable can be quickly dissipated, the heating cable can quickly generate heat, the ceramic fiber cloth layer, the copper wire mesh sleeve and the tinned copper woven sleeve have the flame retardant effect, the fireproof flame retardant performance of the heating cable body is improved, the self antifreezing performance and the structural strength of the body are ensured through the densely distributed metal paster and the PVC sheath, have certain fire-retardant effect simultaneously, keep apart the protection PVC sheath through the metal paster, avoid being contacted wearing and tearing for a long time at vibrations in-process PVC sheath, further improved body overall structure performance, increase of service life has solved the problem that the fire behaviour and the shock resistance of self-limiting temperature control by temperature change heating cable need further be strengthened for the car.
(2) According to the invention, the shallow grooves are arranged to be bonded with the corrugated surface of the metal patch, the gripping force is increased through the corrugated surface, the metal patch is embedded through the shallow grooves, the connection tightness of the metal patch is improved, meanwhile, the metal patches are densely distributed in a plurality of small areas, the whole structure is not influenced by local independent connection and release, and the service life and the use effect are improved through optimization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the outer sheath of the patch of the present invention;
FIG. 3 is a right sectional view of the present invention;
fig. 4 is a top view of the outer sheath of the patch of the present invention;
FIG. 5 is a schematic view of a heat dissipation layer according to the present invention;
FIG. 6 is a left side view of a cushion layer of the present invention;
FIG. 7 is a schematic view of the structure of the copper wire mesh sleeve of the present invention;
FIG. 8 is a schematic structural view of a ceramic fiber cloth layer according to the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 1 at A according to the present invention.
In the figure: 1. an insulating layer; 2. a wire core; 3. a cushion layer; 4. a heat dissipation layer; 5. a ceramic fiber cloth layer; 6. tinned copper braided sleeves; 7. a copper wire net sleeve; 8. a patch outer sheath; 801. a metal patch; 802. a PVC sheath; 9. a groove; 10. a side edge; 11. a recess; 12. shallow grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, the present invention provides a technical solution: the 24V self-temperature-limiting flame-retardant temperature-control heating cable special for the automobile comprises an insulating layer 1 and a wire core 2 arranged in the insulating layer 1, wherein a buffer cushion layer 3 is wrapped outside the insulating layer 1, the buffer cushion layer 3 is vulcanized rubber with low sulfur content and good elasticity and flexibility, a heat dissipation layer 4 is wrapped outside the buffer cushion layer 3, a ceramic fiber cloth layer 5 is wrapped outside the heat dissipation layer 4, a tinned copper woven sleeve 6 is woven outside the ceramic fiber cloth layer 5, a copper wire mesh sleeve 7 is wrapped outside the tinned copper woven sleeve 6, the tail part of the tinned copper woven sleeve 6 can be woven into the copper wire mesh sleeve 7 through materials of the tinned copper woven sleeve 6, an outer sheath 8 is wrapped outside the copper wire mesh sleeve 7, so that the tinned copper woven sleeve 6 and the copper wire mesh sleeve 7 form a double-layer structure, grooves 9 are arranged on two planes outside the buffer cushion layer 3 along the vertical length direction, two ends of the grooves 9 on the two planes of the buffer cushion layer 3 respectively extend towards the cambered surfaces of two sides outside the buffer cushion layer 3 and are close to form non-shaped sides 10, the grooves 9 are distributed at equal intervals along the length extension direction of the cushion pad layer 3, and the concave parts 11 of the heat dissipation layer 4, which are concave at the positions of the grooves 9, are embedded into the grooves 9 and connected with the wall surfaces of the grooves 9.
As a technical optimization scheme of the invention, the heat dissipation layer 4 is a metal sleeve, the structure is bent in an S shape and matched with the flexibility of metal, so that the whole body has certain elasticity, a good shock absorption effect is achieved, meanwhile, the contact area with heat is increased, the heat is quickly dissipated by heat conduction, and the heating rate of a heated body is accelerated when the heat dissipation layer is used.
As a technical optimization of the present invention, the cross section of the recess 11 and the overall shape of the structure are U-shaped, as shown in fig. 3 and 5, to increase the tightness of the connection with the cushion 3.
As a technical optimization scheme of the invention, the patch outer sheath 8 is composed of metal patches 801 and a PVC sheath 802, the metal patches 801 are distributed and attached outside the PVC sheath 802 at equal intervals along the circumferential surface of the PVC sheath 802, the metal patches 801 are distributed and attached outside the PVC sheath 802 at equal intervals along the length extension direction of the PVC sheath 802, the metal patches 801 are thin sheets and small in area, and the bending and winding of the heating cable in the using process are not influenced.
As a technical optimization scheme of the invention, the attaching surface of the metal patch 801 is a corrugated surface, the attaching surface of the metal patch 801 is embedded into the shallow groove 12 of the PVC sheath 802 for bonding, the surface of the metal patch 801 far away from the shallow groove 12 protrudes out of the shallow groove 12, the PVC sheath 802 is protected by the metal patch 801, the PVC sheath 802 is prevented from being worn by contact, and a certain flame retardant effect is achieved by the densely distributed metal patches 801.
As a technical optimization scheme of the invention, two side edges of the metal patch 801 are positioned outside the shallow groove 12 and are coated on the outer surface of the PVC sheath 802.
As a technical optimization scheme of the invention, the cushion layer 3 is a soft rubber sleeve.
In conclusion, the buffer cushion layer 3, the heat dissipation layer 4, the ceramic fiber cloth layer 5, the tinned copper woven sleeve 6, the copper wire mesh sleeve 7 and the patch outer sheath 8 are arranged, so that the fireproof flame-retardant performance and the buffering and damping performance of the heating cable body are improved, and the problem that the flame-retardant performance and the damping performance of the self-temperature-limiting temperature-control heating cable for the automobile need to be further enhanced is solved.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Special 24 volt self-limiting temperature fire-retardant control by temperature change heating cable of car, including insulating layer (1) and sinle silk (2) of setting in insulating layer (1), its characterized in that: outside parcel buffer course (3) of insulating layer (1), outside parcel heat dissipation layer (4) of buffer course (3), outside parcel ceramic fiber cloth layer (5) of heat dissipation layer (4), tin-plated copper braided sleeve (6) is woven to the outside on ceramic fiber cloth layer (5), outside parcel copper wire net cover (7) of tin-plated copper braided sleeve (6), outside parcel paster oversheath (8) of copper wire net cover (7), set up recess (9) along perpendicular length direction on the outside two sides plane of buffer course (3), the both ends of recess (9) on buffer course (3) two sides plane extend and are close to formation "non" font side (10) to the cambered surface of buffer course (3) outside both sides respectively, equidistant distribution of buffer course (3) length extending direction is followed in recess (11) embedding recess (9) of indent recess (9) position department of heat dissipation layer (4) and in recess (9) and be close to forming "non" font side (10) Is connected with the wall surface of the groove (9).
2. The automobile-dedicated 24-volt self-temperature-limiting flame-retardant temperature-control heating cable according to claim 1, characterized in that: the heat dissipation layer (4) is a metal sleeve.
3. The automobile-dedicated 24-volt self-temperature-limiting flame-retardant temperature-control heating cable according to claim 1, characterized in that: the recess (11) is U-shaped.
4. The automobile-dedicated 24-volt self-temperature-limiting flame-retardant temperature-control heating cable according to claim 1, characterized in that: the patch outer sheath (8) is composed of metal patches (801) and a PVC sheath (802), wherein the metal patches (801) are distributed and attached to the outside of the PVC sheath (802) at equal intervals along the peripheral surface of the PVC sheath (802), and the metal patches (801) are distributed and attached to the outside of the PVC sheath (802) at equal intervals along the length extending direction of the PVC sheath (802).
5. The automobile-dedicated 24-volt self-temperature-limiting flame-retardant temperature-control heating cable according to claim 4, characterized in that: the metal patch (801) attaching surface is a corrugated surface, the metal patch (801) attaching surface is embedded into a shallow groove (12) of a PVC sheath (802) for bonding, and one surface, far away from the shallow groove (12), of the metal patch (801) protrudes out of the shallow groove (12).
6. The automobile-specific 24-volt self-temperature-limiting flame-retardant temperature-control heating cable according to claim 5, characterized in that: two side edges of the metal patch (801) are positioned outside the shallow groove (12) and are coated on the outer surface of the PVC sheath (802).
7. The automobile-dedicated 24-volt self-temperature-limiting flame-retardant temperature-control heating cable according to claim 1, characterized in that: the cushion layer (3) is a soft rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011421449.7A CN112512145B (en) | 2020-12-08 | 2020-12-08 | 24-volt self-temperature-limiting flame-retardant temperature-control heating cable special for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011421449.7A CN112512145B (en) | 2020-12-08 | 2020-12-08 | 24-volt self-temperature-limiting flame-retardant temperature-control heating cable special for automobile |
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| Publication Number | Publication Date |
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| CN112512145A CN112512145A (en) | 2021-03-16 |
| CN112512145B true CN112512145B (en) | 2022-09-16 |
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| CN202011421449.7A Active CN112512145B (en) | 2020-12-08 | 2020-12-08 | 24-volt self-temperature-limiting flame-retardant temperature-control heating cable special for automobile |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209543987U (en) * | 2019-01-30 | 2019-10-25 | 中策电缆集团有限公司 | A kind of halogen-free flameproof fire-resisting cable |
| CN209859669U (en) * | 2019-07-20 | 2019-12-27 | 上海广茂特种线缆有限公司 | High temperature resistant fireproof cable |
| CN110691437A (en) * | 2019-11-05 | 2020-01-14 | 浙江中大元通特种电缆有限公司 | Corrosion-resistant water-blocking type aluminum sheath single-conductor heating cable and preparation method thereof |
| CN210868205U (en) * | 2019-11-05 | 2020-06-26 | 浙江中大元通特种电缆有限公司 | Water-resistant flame-retardant aluminum sheath heating cable |
| CN111526619A (en) * | 2020-04-29 | 2020-08-11 | 安邦电气股份有限公司 | Self-temperature-limiting electric tracing band |
-
2020
- 2020-12-08 CN CN202011421449.7A patent/CN112512145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209543987U (en) * | 2019-01-30 | 2019-10-25 | 中策电缆集团有限公司 | A kind of halogen-free flameproof fire-resisting cable |
| CN209859669U (en) * | 2019-07-20 | 2019-12-27 | 上海广茂特种线缆有限公司 | High temperature resistant fireproof cable |
| CN110691437A (en) * | 2019-11-05 | 2020-01-14 | 浙江中大元通特种电缆有限公司 | Corrosion-resistant water-blocking type aluminum sheath single-conductor heating cable and preparation method thereof |
| CN210868205U (en) * | 2019-11-05 | 2020-06-26 | 浙江中大元通特种电缆有限公司 | Water-resistant flame-retardant aluminum sheath heating cable |
| CN111526619A (en) * | 2020-04-29 | 2020-08-11 | 安邦电气股份有限公司 | Self-temperature-limiting electric tracing band |
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| Publication number | Publication date |
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| CN112512145A (en) | 2021-03-16 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220831 Address after: 273145 Industrial Park, High-speed Railway New District, Xiqiu Town, Qufu City, Jining City, Shandong Province Applicant after: Shandong Lucheng Cable Co.,Ltd. Address before: 241009 electrical components industrial park, Jiuhua North Road, Wuhu City, Anhui Province Applicant before: WUHU HENGXIN CABLE Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: 24 volt self limiting flame retardant temperature controlled heating cable for automobiles Effective date of registration: 20230411 Granted publication date: 20220916 Pledgee: Shandong Qufu Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Lucheng Cable Co.,Ltd. Registration number: Y2023980037790 |
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