CN209747198U - Cable with improved insulation - Google Patents

Cable with improved insulation Download PDF

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Publication number
CN209747198U
CN209747198U CN201920427631.XU CN201920427631U CN209747198U CN 209747198 U CN209747198 U CN 209747198U CN 201920427631 U CN201920427631 U CN 201920427631U CN 209747198 U CN209747198 U CN 209747198U
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China
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cable
annular
layer
sinle silk
heating
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CN201920427631.XU
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Chinese (zh)
Inventor
王成
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Shanghai Step Electric Corp
Shanghai Step Electrical Wire and Cable Co Ltd
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Shanghai Step Electrical Wire and Cable Co Ltd
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Priority to CN201920427631.XU priority Critical patent/CN209747198U/en
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Abstract

The utility model relates to the field of electronic communication, and discloses a cable, which comprises a cable outer layer and at least one wire core arranged in the cable outer layer, wherein an annular heating layer is also arranged in the cable outer layer, each wire core is arranged in the annular heating layer, and the annular heating layer is used for heating the wire core; the cable further includes: establish at least one conducting strip in the annular heating layer, the conducting strip with the same and one-to-one of sinle silk quantity, conducting strip one side with the annular heating layer offsets, and the opposite side offsets with the sinle silk that corresponds. The annular zone of heating switch-on external power source generates heat, heats the sinle silk, because the setting of conducting strip, can be fast with the heat transfer that sends of annular zone of heating for the sinle silk that corresponds, a plurality of conducting strips can be with heat fast transfer for each sinle silk, accelerated the heating efficiency of annular zone of heating to each sinle silk greatly for each sinle silk in the cable can reach operating temperature fast.

Description

Cable with improved insulation
Technical Field
The utility model relates to an electronic communication field, in particular to cable.
Background
In extremely cold areas, because the temperature is extremely low, the protective layer and part of rubber materials outside the electric copper wire bundles in the cable become brittle and crack, and even the phenomenon of natural cracking and falling occurs, so that the cable cannot be laid and constructed, the operation of equipment needing outdoor mobile operation is difficult, and even the equipment cannot be operated at all. Therefore, it is urgently needed to develop a cable which can rapidly reach the working temperature in extremely cold areas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable can heat the sinle silk in the cable to operating temperature fast.
In order to solve the technical problem, an embodiment of the present invention provides a cable, including a cable outer layer and at least one wire core arranged in the cable outer layer, wherein an annular heating layer is further arranged in the cable outer layer, each wire core is arranged in the annular heating layer, and the annular heating layer is used for heating the wire core; the cable further includes: establish at least one conducting strip in the annular heating layer, the conducting strip with the same and one-to-one of sinle silk quantity, conducting strip one side with the annular heating layer offsets, and the opposite side offsets with the sinle silk that corresponds.
The utility model discloses embodiment is for prior art, and annular zone of heating switch on external power source generates heat, heats the wire core, because the setting of conducting strip, can transmit the heat that sends of annular zone of heating for the sinle silk that corresponds fast, and a plurality of conducting strips can transmit the heat for each sinle silk fast, have accelerated the heating efficiency of annular zone of heating to each sinle silk greatly for each sinle silk in the cable can reach operating temperature fast.
In addition, the thermally conductive sheet includes: the annular part of cladding the sinle silk, with the fin portion that the annular part is connected, the fin portion with annular zone of heating offsets. The fin portion is used for giving the heat transfer who comes from annular zone of heating annular portion, and annular portion cladding sinle silk can promote heating efficiency to the even conduction heat in each position of sinle silk.
In addition, the fin portion is equipped with two, and relative connection is in the both sides of annular portion, and all with the annular heating layer offsets, the conducting strip still includes: respectively with two the butt portion is linked to each other in fin portion, butt portion is the arc setting, be used for with annular zone of heating offsets completely. The contact area of butt portion and annular zone of heating is great, can be more efficient with the heat transfer of annular zone of heating for fin portion and then transmit for annular portion, the setting of butt portion can improve the heating efficiency to the sinle silk.
In addition, the abutting portion extends in a direction in which the two fins are away from each other, and the abutting portions of any two adjacent heat-conducting fins abut against each other. The further increase of extension of butt portion offsets with annular heating layer's area, and the butt portion mutual conflict of two adjacent conducting strips is the maximum that butt portion extended, and the extension of butt portion further promotes the heat conduction efficiency of annular heating layer and butt portion, and then promotes the heating efficiency to the sinle silk.
In addition, have a plurality of archs on the annular zone of heating, the butt portion is gone towards keeping away from form a plurality of caves in the direction of annular zone of heating, sunken being used for accomodating the arch, just the arch with sunken inner wall offsets completely. Protruding and sunken cooperation can increase the area of contact of butt portion and annular heating layer, promotes the heat conduction efficiency of annular heating layer and butt portion step by step, and then promotes the heating efficiency to the sinle silk.
In addition, the cable further includes: and the filling part is arranged in the annular heating layer and used for filling the space in the annular heating layer, and the heat conducting fins are abutted against the filling part. The filling part can fix the heat conducting sheet in the annular heating layer.
In addition, the wire core includes: the cable comprises a cable core body and an insulating layer coated outside the cable core body.
In addition, set up logical groove on the annular portion, the cable still includes: establish at arbitrary one temperature-detecting device on the sinle silk, temperature-detecting device arranges in logical inslot and with the communication of external terminal equipment, temperature-detecting device is used for detecting the temperature of sinle silk and give temperature information for terminal equipment. The temperature detection device can detect the temperature on the current cable core and send the temperature to the terminal equipment, and a user can directly obtain the temperature of the current cable core through the terminal equipment, so that the cable stops heating the cable core when the cable is heated to the working temperature.
In addition, a heat insulation layer is arranged between the cable outer layer and the annular heating layer. The setting of insulating layer can avoid the heat of annular zone of heating to the direction transmission of keeping away from the sinle silk, leads to the heat to scatter and disappear, reduces heating efficiency.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a cross-sectional view of a cable in a first embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The utility model discloses a first embodiment relates to a cable for work in extremely cold area.
As shown in fig. 1, the cable comprises an outer layer 1 of the cable and at least one core 2 arranged in the outer layer 1 of the cable, wherein the outer layer 1 of the cable at least comprises: a shield layer and an insulating layer. In the present embodiment, three wire cores 2 are provided in the cable, but the number of the wire cores 2 may be other, and in the present embodiment, only three are taken as an example, which is not particularly limited. Wherein, sinle silk 2 has the operating temperature of suitable work, can reach the temperature that can normally work in order to guarantee the cable in extremely cold district, and the cable in this embodiment still includes: establish annular zone of heating 3 in the outer 1 of cable, wherein the outer loop of annular zone of heating 3 offsets with the inner ring of the outer 1 of cable, and each sinle silk 2 all is located annular zone of heating 3. Annular zone of heating 3 external power supply for send the heat when the circular telegram and heat each sinle silk 2 that is located its inside, make each sinle silk 2 can reach operating temperature, annular zone of heating 3 is annular electric heater.
Notably, the cable further comprises: establish at least one conducting strip 4 in annular zone of heating 3, conducting strip 4 is the same and the one-to-one with sinle silk 2's quantity, and in this embodiment, the quantity of conducting strip 4 is three promptly, and each conducting strip 4 is equal one end and offsets with the inner ring of annular zone of heating 3, and the other end offsets with corresponding sinle silk 2, and conducting strip 4 adopts the higher material of heat conduction efficiency to make, like aluminium or copper, does not do specifically and restrict in this embodiment. The setting of conducting strip 4 has increased the heat conduction efficiency between annular zone of heating 3 and sinle silk 2, has promoted the efficiency of annular zone of heating 3 to sinle silk 2 heating, has reduced sinle silk 2 and has heated the operating temperature required time.
Preferably, in the present embodiment, the thermally conductive sheet 4 includes: the annular portion 41 of cladding sinle silk 2, the fin portion 42 that links to each other with annular portion 41, fin portion 42 offsets with the inner ring of annular zone of heating 3, and the whole sinle silk 2 of annular portion 41 cladding for each position of sinle silk 2 can be even with the contact of conducting strip 4, can evenly heat, has avoided sinle silk 2 to keep away from the phenomenon that one side temperature in the annular zone of heating 3 is less than and is close to annular zone of heating 3 one side. The heating efficiency of sinle silk 2 has been promoted for information can reach operating temperature more fast.
In order to further increase the heating efficiency of sinle silk 2, in this embodiment, fin portion 42 is equipped with two, and relative connection is in the both sides of annular portion 41, and all offsets with annular heating layer 3, and conducting strip 4 still includes: the abutting portion 43 is respectively connected with the two fin portions 42, the abutting portion 43 is arranged in an arc shape, the radian of the abutting portion 43 is the same as that of the annular heating layer 3, and one side, facing the annular heating layer 3, of the abutting portion 43 can be completely abutted against the annular heating layer 3. The butt portion 43 greatly increases the contact area between the heat conducting sheet 4 and the annular heating layer 3, namely, the heat transfer efficiency between the annular heating layer 3 and the heat conducting sheet 4 is increased, and further, the heating efficiency of the annular heating layer 3 to each wire core 2 is improved.
It should be noted that the abutting portion 43 extends in a direction away from the two fins, and the contact area between the abutting portion 43 and the annular heating layer 3 is further increased to improve the heating efficiency of the annular heating layer 3 to each wire core 2, and it should be noted that the abutting portions 43 of any two adjacent heat conducting fins 4 are mutually abutted, that is, the abutting portions 43 extend to the maximum distance towards both sides, which is the maximum area of the abutting portion 43, that is, the heat conduction efficiency is the highest on the arc surface.
The annular heating layer 3 is provided with a plurality of protrusions 31, and the abutting portion 43 is provided with a plurality of recesses 44, wherein the recesses 44 are far away from the annular heating layer 3. In the present embodiment, the number of the recesses 44 on all the abutting portions 43 is the same as that of the protrusions 31 of the annular heating portion, and the recesses 44 on the abutting portions 43 correspond to one another, the corresponding protrusions 31 are received in the recesses 44 on the abutting portions 43, and the protrusions 31 completely abut against the inner walls of the recesses 44 on the abutting portions 43, so that the contact area between the abutting portions 43 and the annular heating layer 3 is further increased by the arrangement of the protrusions 31 and the recesses 44 on the abutting portions 43, and the heating efficiency of the annular heating layer 3 on the wire core 2 is further increased.
By last, through the setting of conducting strip 4, strengthened annular heating portion greatly to sinle silk 2 heating efficiency, the cable can carry out work through annular heating layer 3 with sinle silk 2 heating to operating temperature fast extremely cold annular heating.
Notably, the cable further comprises: and a filling part arranged in the annular heating layer, wherein the filling part is used for filling the space in the annular heating layer 3, the heat conducting sheet 4 is abutted against the filling part, and the filling part fixes the heat conducting sheet 4. And a heat insulation layer 5 is further arranged between the annular heating part and the bracket of the outer layer 1 of the cable, and the heat insulation layer 5 is made of heat insulation materials, such as glass fiber or asbestos, and the embodiment is not particularly limited. The arrangement of the heat insulation layer 5 can prevent the heat of the annular heating layer 3 from being transferred towards the direction of the outer ring, and heat loss is avoided.
The core 2 comprises: the sinle silk body and the cladding are at this external insulating layer of sinle silk, and the insulating layer offsets with the annular portion 41 of conducting strip 4, and the insulating layer is used for protecting inside sinle silk body.
Notably, the cable further comprises: a temperature detection device arranged on any wire core 2, in the embodiment, the temperature detection device is a temperature sensor 6, wherein the annular part 41 of the heat conducting fin 4 is provided with a through groove 411, the temperature sensor 6 is arranged on the insulating layer of the wire core 2 and is arranged in the through groove 411, the temperature sensor 6 is not contacted with the annular part 41, the interference of the temperature of the annular part 41 to the measuring result is avoided, the temperature sensor 6 is in communication connection with external terminal equipment, can pass through forms such as electric connecting wire, wireless connection, as preferred, temperature sensor 6 in this embodiment passes through wireless connection with external terminal equipment, and temperature sensor 6 is used for the temperature of real-time detection sinle silk 2 and gives external terminal equipment with temperature information transfer, and the user can obtain the temperature information of sinle silk 2 through terminal equipment in real time, is convenient for stop the heating to sinle silk 2 when sinle silk 2 reaches preset temperature.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (9)

1. A cable comprises a cable outer layer and at least one wire core arranged in the cable outer layer, and is characterized in that an annular heating layer is further arranged in the cable outer layer, each wire core is arranged in the annular heating layer, and the annular heating layer is used for heating the wire core; the cable further includes: establish at least one conducting strip in the annular heating layer, the conducting strip with the same and one-to-one of sinle silk quantity, conducting strip one side with the annular heating layer offsets, and the opposite side offsets with the sinle silk that corresponds.
2. The cable of claim 1, wherein the thermally conductive sheet comprises: the annular part of cladding the sinle silk, with the fin portion that the annular part is connected, the fin portion with annular zone of heating offsets.
3. The cable of claim 2, wherein the fin portions are two, oppositely connected on either side of the ring portion and each abutting against the ring heating layer, the heat conducting sheet further comprising: respectively with two the butt portion is linked to each other in fin portion, butt portion is the arc setting, be used for with annular zone of heating offsets completely.
4. The cable of claim 3, wherein said abutting portions extend in a direction in which two of said fins are away from each other, and abutting portions of any two adjacent ones of said heat-conducting fins interfere with each other.
5. The cable of claim 3 wherein the annular heating layer has a plurality of protrusions thereon, and the abutting portion has a plurality of recesses formed thereon in a direction away from the annular heating layer, the recesses being adapted to receive the protrusions, and the protrusions being fully abutted against inner walls of the recesses.
6. The cable of claim 3, further comprising: and the filling part is arranged in the annular heating layer and used for filling the space in the annular heating layer, and the heat conducting fins are abutted against the filling part.
7. The cable of claim 1, wherein the core comprises: the cable comprises a cable core body and an insulating layer coated outside the cable core body.
8. The cable of claim 2, wherein the ring portion defines a channel, the cable further comprising: establish at arbitrary one temperature-detecting device on the sinle silk, temperature-detecting device arranges in logical inslot and with the communication of external terminal equipment, temperature-detecting device is used for detecting the temperature of sinle silk and give temperature information for terminal equipment.
9. The cable of claim 1, wherein a layer of insulation is disposed between the outer cable layer and the annular heating layer.
CN201920427631.XU 2019-03-29 2019-03-29 Cable with improved insulation Active CN209747198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920427631.XU CN209747198U (en) 2019-03-29 2019-03-29 Cable with improved insulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920427631.XU CN209747198U (en) 2019-03-29 2019-03-29 Cable with improved insulation

Publications (1)

Publication Number Publication Date
CN209747198U true CN209747198U (en) 2019-12-06

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CN201920427631.XU Active CN209747198U (en) 2019-03-29 2019-03-29 Cable with improved insulation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113950174A (en) * 2021-10-30 2022-01-18 浙江昌泰电力电缆有限公司 Special heat tracing power cable
CN114360802A (en) * 2022-01-17 2022-04-15 固达电线电缆(集团)有限公司 Electric automobile fills electric pile with high anti-adversity charging cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113950174A (en) * 2021-10-30 2022-01-18 浙江昌泰电力电缆有限公司 Special heat tracing power cable
CN113950174B (en) * 2021-10-30 2023-06-27 浙江昌泰电力电缆有限公司 Special heat tracing power cable
CN114360802A (en) * 2022-01-17 2022-04-15 固达电线电缆(集团)有限公司 Electric automobile fills electric pile with high anti-adversity charging cable
CN114360802B (en) * 2022-01-17 2023-12-26 固达电线电缆(集团)有限公司 High-stress-resistance charging cable for electric automobile charging pile

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