CN203520910U - Wire with electric leakage detection conductors - Google Patents
Wire with electric leakage detection conductors Download PDFInfo
- Publication number
- CN203520910U CN203520910U CN201320639857.9U CN201320639857U CN203520910U CN 203520910 U CN203520910 U CN 203520910U CN 201320639857 U CN201320639857 U CN 201320639857U CN 203520910 U CN203520910 U CN 203520910U
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- Prior art keywords
- leakage detection
- current
- detection conductor
- current leakage
- electric wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 239000004020 conductor Substances 0.000 title claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims description 25
- 238000009422 external insulation Methods 0.000 claims description 20
- 230000004888 barrier function Effects 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000013308 plastic optical fiber Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 241001325280 Tricardia watsonii Species 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model provides a wire with electric leakage detection conductors. The wire comprises a plurality of current-carrying core wires and at least one electric leakage detection conductor used for detecting electric leakage of the current-carrying core wires; the current-carrying core wires are respectively wrapped with an insulating layer, wherein the insulating layer of at least one of the current-carrying core wires is wrapped with a conductive metal layer; the electric leakage detection conductors are arranged between the insulating layers and the conductive metal layers and contact with the conductive metal layers; and the plurality of current-carrying core wires and the electric leakage detection conductors are wrapped with an external insulating layer, wherein each electric leakage detection conductor is formed through stranding two or more thin conductive wires. According to the wire with the electric leakage detection conductors of the utility model adopted, properties such as tensile, anti-distortion anti-bending properties of the electric leakage detection conductors can be improved, such that the electric leakage detection conductors are not prone to fracture.
Description
Technical field
The utility model relates to a kind of electric wire, especially a kind ofly can be widely used in various household electrical appliance and can fast detecting go out the electric wire that carries current leakage detection conductor that whether has leaky in electric wire.
Background technology
Along with the various electrical equipment rapid growth of proportion in social life, fail safe, quality, the life-span of electric wire that electrical equipment uses and the each side such as reduce production costs are required also improving gradually.
In general, two traditional cores or multiple core cord consist of the many current-carrying heart yearns that are enclosed with respectively insulating barrier.Fig. 1 is triple core wire cross-sectional view in prior art.Should comprise with the electric wire of current leakage detection conductor: 6,7,8 and two current leakage detection conductors 10 for detection of above-mentioned current-carrying heart yearn 6,7,8 electric leakages of three current-carrying heart yearns.In the outside of each root current-carrying heart yearn 6,7,8, be coated with respectively insulating barrier 4,5,9, insulating barrier 4 outsides of current-carrying heart yearn 6 are coated with metal conducting layer 2, insulating barrier 5 outsides of current-carrying heart yearn 7 are coated with metal conducting layer 3, and above-mentioned three current-carrying heart yearns 6,7,8 are coated by external insulation layer 1 together with two current leakage detection conductors 10 with insulating barrier and metal conducting layer separately.Remaining space within external insulation layer 1 except current-carrying heart yearn and current leakage detection conductor is also provided with filler 11.
This triple core wire is provided with current leakage detection conductor 10, and while there is leaky with the current-carrying heart yearn of metal screen layer in electric wire, current leakage detection conductor 10 can detect this leaky fast, accurately and timely by metal conducting layer.But, in electric wire use procedure, due to long-term distortion, stretching, under the external force factors such as high temperature, this current leakage detection conductor is easy to broken string, thereby can not to heart yearn, carry out detection of electrical leakage exactly.
How the extending wire life-span is in current industry, to need the problem researched and solved.
Utility model content
In order to address the above problem, the utility model provides a kind of electric wire with current leakage detection conductor, and wherein current leakage detection conductor is by above stranded formation of thin wire of two or two, and tension and the performance such as anti-twist, crooked of current leakage detection conductor is provided.
To achieve these goals, according to the electric wire with current leakage detection conductor of the present utility model, comprise:
Many current-carrying heart yearns and at least one current leakage detection conductor for detection of described current-carrying heart yearn electric leakage,
Described current-carrying heart yearn is coated with respectively insulating barrier, and in described current-carrying heart yearn, the outside of the insulating barrier of at least one is coated with metal conducting layer;
Described current leakage detection conductor is arranged between described insulating barrier and described metal conducting layer, and contacts with described metal conducting layer,
Described many current-carrying heart yearns and described current leakage detection conductor are coated by external insulation layer,
Wherein, described current leakage detection conductor is by two or two above stranded forming of thin wire.
Wherein, the remaining space within described external insulation layer is provided with filler.
Wherein, described filler is plastic optical fibre or bafta.
Wherein, described metal conducting layer is formed by Copper Foil, aluminium foil, tinfoil paper or conductive rubber.
Wherein, described current-carrying heart yearn and described current leakage detection conductor are held layer by one deck and hold, and described in described external insulation layer is closely coated, hold layer.
Wherein, described in, hold layer for thin layer.
Wherein, described in, hold layer for cotton thin layer, plastic film layers or paper.
Wherein, described thin wire is copper cash or aluminum steel.
The beneficial effects of the utility model:
The utility model changes the wire of this current leakage detection conductor for being at least comprised of two thin wires, so, tension and the performance such as anti-twist that just can improve detection of electrical leakage wire, current leakage detection conductor is just not easy broken string, thereby is convenient to detect fast, accurately and timely leaky.
Accompanying drawing explanation
Structure of the present utility model and mode of operation and further object and advantage are better understood the description by below in conjunction with accompanying drawing, wherein:
Fig. 1 is the transverse sectional view of the existing electric wire with current leakage detection conductor;
Fig. 2 is according to the transverse sectional view of the electric wire with current leakage detection conductor of the present utility model preferred embodiment;
Fig. 3 is the longitudinal sectional view of the electric wire with earth leakage detection functions in Fig. 2;
Fig. 4 is according to the transverse sectional view of another preferred embodiment of the electric wire with current leakage detection conductor of the present utility model.
Embodiment
Fig. 2 is the transverse sectional view of the electric wire with current leakage detection conductor of a specific embodiment of the present utility model.Fig. 3 is the longitudinal sectional view of the electric wire with earth leakage detection functions in Fig. 2.Should can be used as power line or generic connectivity line with the electric wire of current leakage detection conductor.As shown in disclosed specific embodiment in figure, should comprise with the electric wire of current leakage detection conductor: 6,7,8 and two current leakage detection conductors 10 for detection of above-mentioned current-carrying heart yearn 6,7,8 electric leakages of three current-carrying heart yearns.In the outside of each root current-carrying heart yearn 6,7,8, be coated with respectively insulating barrier 4,5,9.
As shown in Figures 2 and 3, insulating barrier 4 outsides of current-carrying heart yearn 6 are coated with metal conducting layer 2, and insulating barrier 5 outsides of current-carrying heart yearn 7 are coated with metal conducting layer 3.The insulating barrier of current-carrying heart yearn can adopt transparent or opaque anti-oxidant polyvinyl chloride (PVC) soft plastics, preferably, can adopt polyethylene (PE) material, the hot melt of plastics, pyrocondensation phenomenon in the time of can preventing from welding like this.For reducing the cost with the electric wire of current leakage detection conductor, metal conducting layer can be formed by Copper Foil, aluminium foil, tinfoil paper or conductive rubber.
In this electric wire, also comprise two current leakage detection conductors 10, wherein every electric leakage conductor is corresponding with a current-carrying heart yearn.Every leakage conductance electric conductor lays respectively between the insulating barrier and metal conducting layer outside its corresponding current-carrying heart yearn, and contacts with respective metal conductive layer.Above-mentioned three current-carrying heart yearns 6,7,8 and insulating barrier separately and metal conducting layer are coated by external insulation layer 1 together with two current leakage detection conductors 10.This current leakage detection conductor 10 is by two or two above stranded forming of thin wire, and it is material that this thin wire can be used copper cash or aluminum steel.While there is leaky with the current-carrying heart yearn of metal screen layer in electric wire, current leakage detection conductor 10 can detect this leaky fast, accurately and timely by metal conducting layer.
Remaining space within external insulation layer 1 except current-carrying heart yearn and current leakage detection conductor is also provided with filler 11.Preferably, can as shown in Figure 2, filler be filled in the remaining space forming between every two current-carrying heart yearns and external insulation layer 1.For example, current- carrying heart yearn 6 and 7 and external insulation layer 1 between, current-carrying heart yearn 7 and 8 and external insulation layer 1 between, current-carrying heart yearn 6 and 8 and external insulation layer 1 between spatial placement filler 11.Filler can adopt cotton thread or plastic optical fibre etc. as material.Due to the section of each the root current-carrying heart yearn in the electric wire with current leakage detection conductor sub-circular all, rely on the filling of filler 11 can form closely sturdy support, thereby avoid electric wire to be crushed when complications.It will be appreciated by those skilled in the art that as reaching above-mentioned technique effect, also can adopt the remaining space of alternate manner in external insulation layer 1 that filler is set.
According to another embodiment of the present utility model, can filler be also set the space between three current-carrying heart yearns, or only in the part in the space of above-mentioned the arranged filler of mentioning, filler be set.Equally, only it will be understood by those skilled in the art that, in the part in the above-mentioned space that filler can be set of mentioning, filler is set, can reach equally the effect that increases electric wire toughness.For example, only current-carrying heart yearn 6 and 7 and external insulation layer 1 between, current-carrying heart yearn 7 and 8 and external insulation layer 1 between spatial placement filler 11.Further, the arranging of the method to set up of filler and filling position and current-carrying heart yearn and current leakage detection conductor, and the factors such as size shape material of current-carrying heart yearn and current leakage detection conductor are relevant.
It will be understood by those skilled in the art that the wire pair with current leakage detection conductor of the present utility model wherein radical the indefinite of current-carrying heart yearn, for instance, it can be two heart yearns, three heart yearns or quad.In a word, the situation shown in Fig. 2 should not be considered as the restriction to the utility model protection range, and the electric wire with current leakage detection conductor in the utility model can have different cross-section structures.
It will be understood by those skilled in the art that the electric wire with current leakage detection conductor may have different structures, and the filler set-up mode that the electric wire of different concrete structures may be corresponding different.Above the filler in any embodiment, can be one or more strip filler; The material of this filler can be plastic optical fibre or bafta.In the same section of electric wire of making, set filler can be disperse or be connected as a single entity, for example, when filler is special foam material, above-mentioned filler may be connected as a single entity each other.
Electric wire according to described in any embodiment above, can also further hold layer in the interior setting of external insulation layer 1.Fig. 4 is for holding the cross-sectional view of the electric wire with current leakage detection conductor of layer according to having of a specific embodiment of the present utility model.As shown in Figure 4, three current-carrying heart yearns 6,7,8 and current leakage detection conductor 10 are held layer 12 by one deck and hold, and external insulation layer 1 closely holds layer 12.In electric wire production process, first use holds layer 12 and holds current-carrying heart yearn and current leakage detection conductor, and the current-carrying heart yearn and the current leakage detection conductor that make to hold in layer are closely adjacent according to the position of arranging of predetermined design.Be coated on and hold layer 12 and hold outside the assembly in layer 12 afterwards, then by external insulation layer 1.Compare traditional electric wire technological process of production, can hold the position that layer 12 is more easily controlled each heart yearn in electric wire by setting, thereby simplify the production technology of controlling electric wire profile, improved electric wire quality, and reduced cost.
Particularly, this to hold layer 12 can be thin layer.The material that holds layer 12 can be cotton thin layer, plastic film layers or paper.The position of arranging of current-carrying heart yearn and current leakage detection conductor is determined by electric wire design, can be the arrangement mode in the specific embodiment shown in corresponding above Fig. 2 or Fig. 3, can be also other arrangement mode.For example, the flat of corresponding special control electric wire arranged.
Compare with the existing electric wire with current leakage detection conductor, the current leakage detection conductor at least two stranded wires that form of thin wire of serving as reasons in the utility model, so, tension and the performance such as anti-twist of detection of electrical leakage wire just can have been improved, current leakage detection conductor is just not easy broken string, thereby is convenient to detect fast, accurately and timely this leaky.
Specific embodiment described in the utility model is only preferred embodiment of the present utility model, is not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all belong to protection range of the present utility model.
Claims (8)
1. with an electric wire for current leakage detection conductor, it is characterized in that, described electric wire comprises:
Many current-carrying heart yearns (6,7,8) and at least one current leakage detection conductor (10) for detection of described current-carrying heart yearn (6,7,8) electric leakage,
Described current-carrying heart yearn (6,7,8) is coated with respectively insulating barrier (4,5,9), and in described current-carrying heart yearn (6,7,8), the outside of the insulating barrier (4,5) of at least one is coated with metal conducting layer (2,3);
Described current leakage detection conductor (10) is arranged between described insulating barrier (4,5) and described metal conducting layer (2,3), and contacts with described metal conducting layer (2,3),
Described many current-carrying heart yearns (6,7,8) and described current leakage detection conductor (10) are coated by external insulation layer (1),
Wherein, described current leakage detection conductor (10) is by two or two above stranded forming of thin wire.
2. the electric wire with current leakage detection conductor according to claim 1, is characterized in that, the remaining space within described external insulation layer (1) is provided with filler (11).
3. the electric wire with current leakage detection conductor according to claim 2, is characterized in that, described filler (11) is plastic optical fibre or bafta.
4. the electric wire with current leakage detection conductor according to claim 1, is characterized in that, described metal conducting layer (2,3) is formed by Copper Foil, aluminium foil, tinfoil paper or conductive rubber.
5. the electric wire with current leakage detection conductor according to claim 1, it is characterized in that, described current-carrying heart yearn (6,7,8) and described current leakage detection conductor (10) are held layer (12) by one deck and hold, and described in described external insulation layer (1) is closely coated, hold layer (12).
6. the electric wire with current leakage detection conductor according to claim 5, is characterized in that, described in hold layer (12) for thin layer.
7. the electric wire with current leakage detection conductor according to claim 5, is characterized in that, described in hold layer (12) for cotton thin layer, plastic film layers or paper.
8. the electric wire with current leakage detection conductor according to claim 1, is characterized in that, described thin wire is copper cash or aluminum steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639857.9U CN203520910U (en) | 2013-10-16 | 2013-10-16 | Wire with electric leakage detection conductors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639857.9U CN203520910U (en) | 2013-10-16 | 2013-10-16 | Wire with electric leakage detection conductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203520910U true CN203520910U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320639857.9U Expired - Lifetime CN203520910U (en) | 2013-10-16 | 2013-10-16 | Wire with electric leakage detection conductors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203520910U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007363A (en) * | 2014-06-05 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Electric wire and short circuit alarm circuit |
| CN105679617A (en) * | 2014-11-17 | 2016-06-15 | 益而益(集团)有限公司 | Multifunctional plug type circuit breaker |
| CN106229063A (en) * | 2016-09-28 | 2016-12-14 | 广东美的制冷设备有限公司 | Power line and electric equipment |
| CN106229064A (en) * | 2016-09-28 | 2016-12-14 | 广东美的制冷设备有限公司 | Power line and electric equipment |
| CN106229065A (en) * | 2016-09-28 | 2016-12-14 | 广东美的制冷设备有限公司 | Power line and electric equipment |
| WO2018058784A1 (en) * | 2016-09-28 | 2018-04-05 | 广东美的制冷设备有限公司 | Power line and electrical appliance |
-
2013
- 2013-10-16 CN CN201320639857.9U patent/CN203520910U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007363A (en) * | 2014-06-05 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Electric wire and short circuit alarm circuit |
| CN105679617A (en) * | 2014-11-17 | 2016-06-15 | 益而益(集团)有限公司 | Multifunctional plug type circuit breaker |
| CN106229063A (en) * | 2016-09-28 | 2016-12-14 | 广东美的制冷设备有限公司 | Power line and electric equipment |
| CN106229064A (en) * | 2016-09-28 | 2016-12-14 | 广东美的制冷设备有限公司 | Power line and electric equipment |
| CN106229065A (en) * | 2016-09-28 | 2016-12-14 | 广东美的制冷设备有限公司 | Power line and electric equipment |
| WO2018058784A1 (en) * | 2016-09-28 | 2018-04-05 | 广东美的制冷设备有限公司 | Power line and electrical appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |