CN212010515U - Temperature sensing color-changing sheath flexible cable - Google Patents
Temperature sensing color-changing sheath flexible cable Download PDFInfo
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- CN212010515U CN212010515U CN202021259960.7U CN202021259960U CN212010515U CN 212010515 U CN212010515 U CN 212010515U CN 202021259960 U CN202021259960 U CN 202021259960U CN 212010515 U CN212010515 U CN 212010515U
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Abstract
The utility model discloses a temperature sensing sheath flexible cable that discolours, including cable core subassembly, winding cladding in outer winding layer, cladding of cable core subassembly in the restrictive coating outside the winding layer, cladding in the temperature sensing luminescent layer that discolours outside the restrictive coating, the cable core subassembly is including thermal-insulated supporter and multiunit cable core, the periphery of thermal-insulated supporter is provided with a plurality of mounting grooves along axial extension, every corresponding a set of cable core, each of installing in the mounting groove the notch department of mounting groove covers and is used for locking the cable core in the heat conduction layering of mounting groove. The utility model provides a problem of the unable independent suggestion of the state of generating heat of each cable core of many cable core cables.
Description
Technical Field
The utility model relates to a wire and cable technical field, concretely relates to temperature sensing sheath flexible cable that discolours.
Background
The insulating layer of cable generally is polyvinyl chloride, crosslinked polyolefin etc. when the electric current surpassed transmission cable bearing capacity, the electric conductor in the transmission cable can generate heat, after generating heat and reaching certain degree, can ignite its insulating layer to arouse the safety problem, therefore it is very necessary to discover in time the temperature variation of cable.
Chinese utility model patent CN204360831U discloses a can indicate transmission cable of state of generating heat, and this transmission cable's insulating sheath sets up a temperature sensing sleeve pipe that discolours outward, and when the electric conductor among the transmission cable generates heat, the heat transmitted the temperature sensing through the insulating layer and discolours the sleeve pipe, and temperature sensing toner granule or temperature sensing printing ink in the temperature sensing sleeve pipe that discolours change color according to temperature variation, indicate transmission cable's the degree of generating heat, provide early warning for the user. However, the above structure is not suitable for multi-core cables, and because the multi-core cables are combined by a plurality of groups of independent cable cores, each group of cable cores supplies power independently, and heat transfer can occur between each group of cable cores, the heating state of each cable core cannot be prompted independently.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a temperature sensing sheath flexible cable that discolours to the problem of the unable independent suggestion of the state of generating heat of each cable core of solving many cable core cables.
The utility model provides a temperature sensing sheath flexible cable that discolours, including cable core subassembly, winding cladding in outer winding layer, cladding of cable core subassembly in the restrictive coating outside the winding layer, cladding in the temperature sensing luminescent layer that discolours outside the restrictive coating, the cable core subassembly is including thermal-insulated supporter and multiunit cable core, the periphery of thermal-insulated supporter is provided with a plurality of mounting grooves along axial extension, every corresponding a set of cable core, each of installing in the mounting groove the notch department of mounting groove covers and is used for locking the cable core in the heat conduction layering of mounting groove.
Furthermore, a heat insulation cavity is arranged in the heat insulation support body between the installation grooves.
Furthermore, the cable core comprises a plurality of stranded conductors, each conductor comprises a lead positioned in the middle and an insulating layer coated outside the lead, and the insulating layer is made of a negative temperature coefficient thermosensitive material.
Furthermore, a single-sided metal plastic composite belt is coated outside the conductor, the metal layer of the single-sided metal plastic composite belt faces inwards, and the plastic layer faces outwards.
Further, the single-sided metal plastic composite belt is a single-sided aluminum plastic composite belt or a copper plastic composite belt.
Further, the heat insulation support body is made of polypropylene.
Further, the sheath layer is made of polyethylene.
Further, the heat conduction pressing strip is made of soft copper.
The utility model has the advantages that: this application regards thermal-insulated supporter as the installation base member of cable core, and thermal-insulated supporter has thermal-insulated effect, has reduced the heat transfer between each cable core, and when one of them cable core generated heat, the heat that this cable core sent was transmitted for the restrictive coating in its outside through the heat conduction layering, and the temperature sensing luminescent layer that discolours is given in the transmission again, and the temperature sensing luminescent layer is located this cable core outside region and discolours because of the rising of temperature to the state of generating heat of suggestion this cable core. Besides the function of fixing the cable core, the heat-conducting pressing strip can transmit the heat generated by the cable core in time, so that the external temperature-sensing color-changing luminescent layer can respond in time, and the temperature-sensing color-changing sensitivity is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the drawings, 10-cable core assembly; 11-an insulating support; 111-mounting grooves; 112-a thermally insulating cavity; 12-a cable core; 121-a conductor; 1211 — a wire; 1212 — an insulating layer; 122-single-sided metal plastic composite tape; 13-heat conducting battens; 20-a winding layer; 30-a sheath layer; 40-thermochromic luminescent layer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are merely used to more clearly illustrate the technical solutions of the present embodiments, and therefore, the following embodiments are only used as examples, and the protection scope of the present embodiments is not limited thereby.
As shown in fig. 1, the embodiment of the utility model provides a temperature sensing sheath flexible cable that discolours, including cable core subassembly 10, winding cladding winding layer 20 outside cable core subassembly 10, cladding restrictive coating 30 outside winding layer 20, cladding temperature sensing luminescent layer 40 that discolours outside restrictive coating 30.
The cable core assembly 10 comprises a heat insulation support body 11 and a plurality of groups of cable cores 12, wherein the heat insulation support body 11 can be made of polypropylene, and the polypropylene has good chemical resistance, heat resistance, electric insulation and high-strength mechanical properties and can meet the requirements of the heat insulation support body 11 on support, heat insulation, heat resistance and insulation.
Preferably, the cable core 12 comprises a plurality of stranded conductors 121, each conductor 121 comprises a conducting wire 1211 positioned in the middle and an insulating layer 1212 coated outside the conducting wire 1211, and the insulating layer 1212 is made of a negative temperature coefficient thermal material. The negative temperature coefficient thermosensitive material belongs to commonly used known materials in the field of temperature-sensing cables, the resistance value of the negative temperature coefficient thermosensitive material is inversely proportional to the temperature, the temperature of the cable core 12 rises, the resistance between the conductors 121 decreases, when the temperature reaches a set value, short circuit occurs quickly, potential safety hazards are cut off in time, and when the temperature decreases, the insulating layer 1212 between the conductors 121 is insulated again, so that the temperature is recovered.
Further, the conductor 121 is externally coated with a single-sided metal plastic composite tape 122, the metal layer of the single-sided metal plastic composite tape 122 faces inward, and the plastic layer faces outward. The single-sided metal plastic composite tape 122 may be a single-sided aluminum plastic composite tape or a single-sided copper plastic composite tape. By arranging the single-sided metal plastic composite strip 122, not only is the thermal contact area between the conductors 121 increased, but also the function of shielding external electromagnetic waves can be achieved.
The periphery of the heat insulation support body 11 is provided with a plurality of mounting grooves 111 extending along the axial direction, a group of cable cores 12 are correspondingly mounted in each mounting groove 111, the notch of each mounting groove 111 is covered with a heat conduction batten 13 used for locking the cable cores 12 in the mounting grooves 111, the heat conduction batten 13 of the embodiment can be made of soft copper, the flexibility and the heat conductivity of the soft copper are good, and meanwhile, a certain electromagnetic shielding effect is achieved.
The winding layer 20 serves to wind and fix the cable core assembly 10. Sheath layer 30 is made of polyethylene, and improves the moisture-proof and flame-retardant properties of the cable. The thermochromic light-emitting layer 40 is made of a reversible thermochromic material (thermochromic toner particles or thermochromic ink) and polyvinyl chloride resin or polyethylene resin, and the color thereof changes with a change in temperature.
The cable has the heat insulation support 11 as a mounting base of the cable core 12, the heat insulation support 11 has a heat insulation effect, heat transfer between the cable cores 12 is reduced, and a heat insulation cavity 112 is provided in the heat insulation support 11 between the mounting grooves 111 to improve the heat insulation effect of the heat insulation support 11.
When one cable core 12 generates heat, the heat emitted by the cable core 12 is transferred to the sheath layer 30 on the outer side of the cable core through the heat conducting pressing strip 13 and then transferred to the temperature sensing color changing light emitting layer 40, the temperature sensing color changing light emitting layer 40 changes color due to the rise of temperature in the area outside the cable core 12, so that the heating state of the cable core 12 is prompted, the heat conducting pressing strip 13 has the function of fixing the cable core 12 and can also transfer the heat generated by the cable core 12 in time, the temperature sensing color changing light emitting layer 40 on the outer side of the cable core can respond in time, and the temperature sensing color changing sensitivity is high.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present embodiment, and not for limiting the same; although the present embodiment has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solutions of the embodiments of the present embodiment, and all of them should be covered in the claims and the specification of the present embodiment.
Claims (8)
1. The utility model provides a temperature sensing sheath flexible cable that discolours which characterized in that: including cable core subassembly, winding cladding in outer winding layer of cable core subassembly, cladding in restrictive coating outside the winding layer, cladding in the temperature sensing luminescent layer that discolours outside the restrictive coating, the cable core subassembly is including thermal-insulated supporter and multiunit cable core, the periphery of thermal-insulated supporter is provided with a plurality of mounting grooves along axial extension, every correspondingly install a set of cable core in the mounting groove, each the notch department of mounting groove covers and is used for locking the cable core in the heat conduction layering of mounting groove.
2. The thermochromic sheathed flexible cable of claim 1, wherein: and a heat insulation cavity is arranged in the heat insulation support body between the mounting grooves.
3. The thermochromic sheathed flexible cable of claim 1, wherein: the cable core comprises a plurality of twisted conductors, each conductor comprises a lead positioned in the middle and an insulating layer coated outside the lead, and the insulating layer is made of negative temperature coefficient thermosensitive materials.
4. The thermochromic sheathed flexible cable of claim 3, wherein: the conductor is externally coated with a single-sided metal plastic composite belt, the metal layer of the single-sided metal plastic composite belt faces inwards, and the plastic layer of the single-sided metal plastic composite belt faces outwards.
5. The thermochromic sheathed flexible cable of claim 4, wherein: the single-side metal plastic composite belt is a single-side aluminum plastic composite belt or a copper plastic composite belt.
6. The thermochromic sheathed flexible cable of claim 1, wherein: the heat insulation support body is made of polypropylene.
7. The thermochromic sheathed flexible cable of claim 1, wherein: the sheath layer is made of polyethylene.
8. The thermochromic sheathed flexible cable of claim 1, wherein: the heat conduction pressing strip is made of soft copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021259960.7U CN212010515U (en) | 2020-07-01 | 2020-07-01 | Temperature sensing color-changing sheath flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021259960.7U CN212010515U (en) | 2020-07-01 | 2020-07-01 | Temperature sensing color-changing sheath flexible cable |
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| Publication Number | Publication Date |
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| CN212010515U true CN212010515U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021259960.7U Active CN212010515U (en) | 2020-07-01 | 2020-07-01 | Temperature sensing color-changing sheath flexible cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524573A (en) * | 2023-12-01 | 2024-02-06 | 河北博轩耐水产品科技有限公司 | Visual temperature-sensing composite cable and cable heating monitoring method |
-
2020
- 2020-07-01 CN CN202021259960.7U patent/CN212010515U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524573A (en) * | 2023-12-01 | 2024-02-06 | 河北博轩耐水产品科技有限公司 | Visual temperature-sensing composite cable and cable heating monitoring method |
| CN117524573B (en) * | 2023-12-01 | 2024-04-30 | 河北博轩耐水产品科技有限公司 | Visual temperature-sensing composite cable and cable heating monitoring method |
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