CN201355566Y - Electric wire with current leakage detection conductor - Google Patents
Electric wire with current leakage detection conductor Download PDFInfo
- Publication number
- CN201355566Y CN201355566Y CNU2008201556645U CN200820155664U CN201355566Y CN 201355566 Y CN201355566 Y CN 201355566Y CN U2008201556645 U CNU2008201556645 U CN U2008201556645U CN 200820155664 U CN200820155664 U CN 200820155664U CN 201355566 Y CN201355566 Y CN 201355566Y
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- current
- detection
- electrical leakage
- electric wire
- leakage conductor
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Abstract
The utility model provides an electric wire with a current leakage detection conductor, which comprises a plurality of current-carrying core wires and at least one current leakage detection conductor for detecting the current leakage of the current-carrying core wires, wherein each current-carrying core wire is coated with an insulating layer, and at least one insulating layer of the current-carrying core wire is coated with a metal conductive layer; the current leakage detection conductor is contacted with the metal conductive layer, and the current-carrying core wires and the current leakage detection conductors are coated with outer insulating layers; and a filler is arranged in a remaining space between the outer insulating layers, and in addition, the current-carrying core wires and the current leakage detection conductors can be wound by winding layers, and the winding layer is tightly coated with the outer insulating layer. The utility model has the advantages of reliable performance, prolongs the service life of the electric wire by reducing the probability of wear and tear, and optimizes the production process of the electric wire.
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 the detection of electrical leakage conductor that whether has leaky in the electric wire.
Background technology
Along with the quick growth of proportion in social life of various electrical equipment, fail safe, quality, the life-span of electric wire that electrical equipment uses and each side such as reduce production costs are required also improving gradually.
In general, traditional two cores or multiple core cord are made of the many current-carrying heart yearns that are enclosed with insulating barrier respectively.Fig. 1 is a triple core wire cross-sectional view traditional in the prior art.With the triple core wire that can be used as power line shown in Fig. 1 is example, and this electric wire is made of three current-carrying heart yearns 11,6,8, is enclosed with a layer insulating 10,5,7 respectively in every wire outside, and this insulating barrier can be rubber or plastics.Wherein, also be enclosed with the screen 9,4 of copper cash establishment in the outside of two current-carrying heart yearns 10,5, wrap up a layer insulating 1 again at the outermost layer of three current-carrying heart yearns 11,6,8.This wire structure is simple, has satisfied the basic demand of wire pair performance and fail safe, but the shielding layer cost of copper cash establishment is higher, the technology relative complex.
In order to reduce the electric wire cost, realize the function of shielding layer simultaneously, a kind ofly screen is carried out improved electric wire arise at the historic moment.This follow-on electric wire will be modified into the very thin metal material layer of one deck by the metal conducting layer that is coated on current-carrying core insulation layer outside that copper cash one by one is compiled into.Metal material layer after the improvement can realize electromagnetic induction that electric wire produces is realized the function of shielding equally, has reduced production cost simultaneously greatly.Particularly, this metal material layer can be Copper Foil, tinfoil paper or aluminium foil.
In addition, in long-term use, electric wire usually may be because aging, and perhaps electrical equipment moves the wearing and tearing that caused, thereby cause the electric leakage between each current-carrying heart yearn in the electric wire.This leaky can produce spark, causes fire even, jeopardizes user's personal safety and causes any property loss.In order whether to have leaky by the accurate detection power line, the screen that a detection of electrical leakage conductor can be set in addition and be enclosed within current-carrying heart yearn outside is connected, and judges by screen is whether charged whether the current-carrying heart yearn of electric wire inside leaky occurs.This screen can be the screen by the establishment of wires such as copper in traditional electric wire, also can be the screen of being made by thin metal material layer in the modified model electric wire.
Increasingly sophisticated along with wire structure, its manufacturing cost also increases thereupon.How the extending wire life-span, reduce the damage that the wearing and tearing in using bring the electric wire internal structure, and it being more convenient efficient how to make electric wire produce, all is to need the problem researched and solved in the present industry.
The utility model content
The purpose of this utility model provides a kind of electric wire that has the detection of electrical leakage conductor that is widely used in all kinds of electric equipments.With respect to existing like product, it should have more stable performance and longer useful life, reduces the cost of electrical equipment to a certain extent, and the production technology of this electric wire should be more simple efficient.
The utility model provides a kind of electric wire that has the detection of electrical leakage conductor, this electric wire comprises many current-carrying heart yearns and at least one detection of electrical leakage conductor that is used to detect described current-carrying heart yearn electric leakage, each root of described many current-carrying heart yearns is coated with insulating barrier respectively, wherein, at least one described insulating barrier outside at described many current-carrying heart yearns is coated with metal conducting layer respectively, described detection of electrical leakage conductor contacts with described metal conducting layer, described many current-carrying heart yearns and described detection of electrical leakage conductor are coated by external insulation layer, and the remaining space within the external insulation layer is provided with filler.
Preferably, the space between described external insulation layer and the described current-carrying heart yearn is filled with described filler.
Optionally, described detection of electrical leakage conductor is between two described current-carrying heart yearns and described external insulation layer, and at least one metal conducting layer contacts in described detection of electrical leakage conductor and the described current-carrying heart yearn, in described two current-carrying heart yearns one, and described detection of electrical leakage conductor and described external insulation layer between the space be filled with described filler.
Preferably, described electric wire can comprise three current-carrying heart yearns, and wherein, the described insulating barrier outside of two current-carrying heart yearns is coated with metal conducting layer respectively, and described detection of electrical leakage conductor all contacts with the described metal conducting layer of described two current-carrying heart yearns.
Optionally, have a described detection of electrical leakage conductor between the described insulating barrier of one or more in the described many current-carrying heart yearns and each the self-corresponding described metal conducting layer, the space in the described many current-carrying heart yearns between any two and the external insulation layer is filled with described filler.
Preferably, described electric wire comprises three current-carrying heart yearns, wherein, the described insulating barrier outside of two current-carrying heart yearns is coated with metal conducting layer respectively, has a described detection of electrical leakage conductor between the described insulating barrier of each root of described two current-carrying heart yearns and each the self-corresponding described metal conducting layer.
Optionally, for above-mentioned any electric wire, described filler can be one or more strip filler.
Optionally, for above-mentioned any electric wire, described filler can be plastic optical fibre or bafta.
Optionally, for above-mentioned any electric wire, can be connected as a single entity between the described filler.
Optionally, for above-mentioned any electric wire, described many current-carrying heart yearns and described detection of electrical leakage conductor can be held layer by one deck and hold, and external insulation layer closely coats the described layer that holds.Preferably, the described layer that holds can be thin layer.Further preferred, the described layer that holds can be cotton thin layer, plastic film layers or paper.
Compared with prior art, the utility model electric wire required for protection possesses following advantage simultaneously: this electric wire can carry out detection of electrical leakage to the heart yearn of himself, thereby has strengthened the coefficient of safety that electric wire itself uses, and has protected equipment and operator's safety.Simultaneously, make the toughness of electric wire have significantly by improvement and improve, prolonged the service life of electric wire, and reduced the probability of electric wire wearing and tearing the electric wire internal structure.Further, the optimization of this wire structure improvement has also improved electric wire production efficiency simultaneously, has reduced production cost.
Description of drawings
By reading the detailed description of doing with reference to the following drawings that non-limiting example is done, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is a triple core wire cross-sectional view traditional in the prior art;
Fig. 2 is the cross-sectional view according to the electric wire that has the detection of electrical leakage conductor of a specific embodiment of the present utility model;
Fig. 3 is the cross-sectional view according to the electric wire that has the detection of electrical leakage conductor of another specific embodiment of the present utility model;
Fig. 4 is for holding the cross-sectional view of the electric wire that has the detection of electrical leakage conductor of layer according to having of a specific embodiment of the present utility model.
Wherein, same or analogous Reference numeral is represented same or analogous part/device.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 2 is the cross-sectional view of the electric wire that has the detection of electrical leakage conductor of a specific embodiment of the present utility model.This electric wire that has the detection of electrical leakage conductor can be used as power line or common connecting line.Shown in disclosed specific embodiment among Fig. 2, this electric wire that has the detection of electrical leakage conductor comprises: three 11,6,8 and two of current-carrying heart yearns are used to detect the detection of electrical leakage conductor 3 of above-mentioned current-carrying heart yearn 11,6,8 electric leakages.Be coated with insulating barrier 10,5,7 respectively in the outside of each root current-carrying heart yearn 11,6,8.
As shown in Figure 2, insulating barrier 10 outsides of current-carrying heart yearn 11 are coated with metal conducting layer 9, and insulating barrier 5 outsides of current-carrying heart yearn 6 are coated with metal conducting layer 4.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 to weld like this.For reduction has the cost of the electric wire of detection of electrical leakage conductor, metal conducting layer can be one deck aluminium foil or one deck tinfoil paper or one deck conductive rubber.
Also comprise two detection of electrical leakage conductors 3 in this electric wire, wherein every electric leakage conductor is corresponding with a current-carrying heart yearn.Every leakage conductance electric conductor lays respectively between its pairing current-carrying heart yearn outer insulating barrier and metal conducting layer, and contacts with the respective metal conductive layer.Above-mentioned three current-carrying heart yearns 11,6,8 and insulating barrier separately and metal conducting layer are coated by external insulation layer 1 with two detection of electrical leakage conductors 3.Detection of electrical leakage conductor 3 can use copper cash or aluminum steel to be material.When leaky appearred in the current-carrying heart yearn that has metal screen layer in the electric wire, detection of electrical leakage conductor 3 can detect this leaky fast, accurately and timely by metal conducting layer.
Also be provided with filler 12 at the remaining space except that current-carrying heart yearn and detection of electrical leakage conductor within the external insulation layer 1.Preferably, can as shown in Figure 2 filler be filled in the remaining space that forms between per two current-carrying heart yearns and the external insulation layer 1.For example, current-carrying heart yearn 11 and 8 and external insulation layer 1 between, current-carrying heart yearn 11 and 6 and external insulation layer 1 between, current-carrying heart yearn 6 and 8 and external insulation layer 1 between the space filler 12 is set.Filler can adopt cotton thread or plastic optical fibre etc. as material.Because the section that has each a root current-carrying heart yearn in the electric wire of detection of electrical leakage conductor is sub-circular all, relies on the filling of filler 12 can constitute closely sturdy support, thereby avoids electric wire to be crushed when complications.It will be appreciated by those skilled in the art that to 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 also be set in the space between three current-carrying heart yearns, perhaps only in the part in the space of above-mentioned the be provided with filler of mentioning, filler is set.Equally, only it will be understood by those skilled in the art that in the part in the above-mentioned space of mentioning that filler can be set, filler to be set, can reach the effect that increases electric wire toughness equally.For example, only current-carrying heart yearn 11 and 8 and external insulation layer 1 between, current-carrying heart yearn 11 and 6 and external insulation layer 1 between the space filler 12 is set.Further, the arranging of the method to set up of filler and filling position and current-carrying heart yearn and detection of electrical leakage conductor, and the factors such as size shape material of current-carrying heart yearn and detection of electrical leakage conductor are relevant.
It will be understood by those skilled in the art that the wire pair that has a detection of electrical leakage the conductor of the present utility model wherein radical and the indefinite of current-carrying heart yearn, for instance, it can be two heart yearns, three heart yearns or quad.In a word, situation shown in Figure 2 should not be considered as the restriction to the utility model protection range, and the electric wire that has the detection of electrical leakage conductor in the utility model can have different cross-section structures.
Fig. 3 has the cross-sectional view of the electric wire of detection of electrical leakage conductor for of the present utility model another.The electric wire that has the detection of electrical leakage conductor as shown in Figure 3 comprises 11,6,8 and detection of electrical leakage conductors 3 that are used to detect leaky of three current-carrying heart yearns.Each root outside of three current-carrying heart yearns 11,6,8 is coated with a layer insulating 10,5,7 respectively; The outside of two insulating barriers 10,5 coats layer of metal conductive layer 9,4 more respectively therein; Between two metal conducting layers 9,4, contact with metal conducting layer 9,4 and to be provided with a detection of electrical leakage conductor 3 that is used to detect leaky; At detection of electrical leakage conductor 3, also be coated with metal screen layer 2, be coated with a layer insulating 1 again in the outside of metal screen layer 2 in the outside of metal conducting layer 9,4 and insulating barrier 7.
The insulating barrier of current-carrying heart yearn can adopt transparent or opaque anti-oxidant PVC soft plastics, preferably can adopt the PE material, the hot melt of plastics, pyrocondensation phenomenon in the time of can preventing to weld like this.For reduction has the cost of the electric wire of detection of electrical leakage conductor, metal screen layer 2 can be one deck aluminium foil or one deck tinfoil paper or one deck conductive rubber.
Detection of electrical leakage conductor 3 can use copper cash or aluminum steel to be material.When leaky occurring between the current-carrying heart yearn in the electric wire 11,6 or between the current-carrying heart yearn 11,8 or between the current-carrying heart yearn 6,8, detection of electrical leakage conductor 3 all can detect this detection of electrical leakage phenomenon fast, accurately and timely by metal conducting layer 9,4.
Also be provided with filler at the remaining space except that current-carrying heart yearn and detection of electrical leakage conductor within the external insulation layer 1.Preferably, can as shown in Figure 3 filler be filled in the remaining space that forms between per two current-carrying heart yearns and the external insulation layer 1.For example, current-carrying heart yearn 11 and 8 and external insulation layer 1 between, and current-carrying heart yearn 6 and 8 and external insulation layer 1 between the space filler 12 is set.Filler can adopt cotton thread or plastic optical fibre etc. as material.Because the section that has each a root current-carrying heart yearn in the electric wire of detection of electrical leakage conductor is sub-circular all, relies on the filling of filler can constitute closely sturdy support, thereby avoids electric wire to be crushed when complications.It will be appreciated by those skilled in the art that to 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 improved embodiment of the present utility model, can filler also be set in the space between three current-carrying heart yearns, perhaps only mentioning the metal conducting layer of detection of electrical leakage conductor 3, current-carrying heart yearn 11, the part between the external insulation layer 1, and in the metal conducting layer of detection of electrical leakage conductor 3, current-carrying heart yearn 6, the part between the external insulation layer 1 filler is being set above-mentioned.Equally, it will be understood by those skilled in the art that only the part in the above-mentioned space of mentioning that filler can be set is provided with filler, can reach the effect that increases electric wire toughness equally.Further, the arranging of the method to set up of filler and filling position and current-carrying heart yearn and detection of electrical leakage conductor, and factor such as size of current-carrying heart yearn and detection of electrical leakage conductor, shape, material is relevant.In a word, situation shown in Figure 3 should not be considered as the restriction to protection range of the present utility model.
Above the structure to the electric wire that has the detection of electrical leakage conductor has provided two kinds of embodiment.It will be understood by those skilled in the art that the electric wire that has the detection of electrical leakage conductor may have different structures, and the electric wire of different concrete structures may corresponding different filler set-up modes.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 electric wire of making, set filler can be disperse or be connected as a single entity, for example, when filler was special foam material, above-mentioned filler may be connected as a single entity each other.
According to the described electric wire of any embodiment above, can also further in external insulation layer 1, be provided with and hold layer.Fig. 4 is for holding the cross-sectional view of the electric wire that has the detection of electrical leakage 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 11,6,8 and detection of electrical leakage conductor 3 are held layer 13 by one deck and hold, and external insulation layer 1 closely holds layer 13.In the electric wire production process, use earlier holds layer 13 and holds current-carrying heart yearn and detection of electrical leakage conductor, makes that the current-carrying heart yearn and the detection of electrical leakage conductor that hold in the layer are closely adjacent according to the position of arranging of predetermined design.Afterwards, again external insulation layer 1 is coated on and holds layer 13 and hold outside the assembly of layer in 13.Compare traditional electric wire technological process of production, can hold the position that layer 13 is more easily controlled each heart yearn in the electric wire, thereby simplify the production technology of control electric wire profile, improved the electric wire quality, and reduced cost by setting.
Particularly, this to hold layer 13 can be thin layer.The material that holds layer 13 can be cotton material, plastic film material or paper.The position of arranging of current-carrying heart yearn and detection of electrical leakage conductor is by the electric wire design decision, can be the arrangement mode in corresponding above Fig. 2 or the specific embodiment shown in Figure 3, also can be other arrangement mode.For example, the flat of corresponding special control electric wire arranged.
More than specific embodiment of the utility model is described.It will be appreciated that the utility model is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the appended claims.
Claims (12)
1. an electric wire that has the detection of electrical leakage conductor is characterized in that, described electric wire comprises:
Many current-carrying heart yearns (11,6,8) and at least one detection of electrical leakage conductor (3) that is used to detect described current-carrying heart yearn (11,6,8) electric leakage,
Each root of described many current-carrying heart yearns (11,6,8) is coated with insulating barrier (10,5,7) respectively, wherein, is coated with metal conducting layer (9,4) at least one described insulating barrier (10, the 5) outside of described many current-carrying heart yearns,
Described detection of electrical leakage conductor (3) contacts with described metal conducting layer (9,4),
Described many current-carrying heart yearns (11,6,8) and described detection of electrical leakage conductor (3) are coated by external insulation layer (1),
Remaining space within the described external insulation layer (1) is provided with filler.
2. the electric wire that has the detection of electrical leakage conductor according to claim 1 is characterized in that, the space between described external insulation layer (1) and the described current-carrying heart yearn (11,6,8) is filled with described filler.
3. the electric wire that has the detection of electrical leakage conductor according to claim 2 is characterized in that,
Described detection of electrical leakage conductor (3) is positioned between two described current-carrying heart yearns (11,6) and the described external insulation layer (1), and at least one metal conducting layer (9,4) contacts in described detection of electrical leakage conductor (3) and the described current-carrying heart yearn (11,6),
In described two current-carrying heart yearns (11,6) one, and described detection of electrical leakage conductor (3) and described external insulation layer (1) between the space be filled with described filler.
4. the electric wire that has the detection of electrical leakage conductor according to claim 1 is characterized in that, described electric wire comprises three current-carrying heart yearns (11,6,8),
Wherein, the described insulating barrier (10,5) of two current-carrying heart yearns (11,6) outside is coated with metal conducting layer (9,4) respectively, and described detection of electrical leakage conductor (3) all contacts with the described metal conducting layer (9,4) of described two current-carrying heart yearns (11,6).
5. the electric wire that has the detection of electrical leakage conductor according to claim 1, it is characterized in that, has a described detection of electrical leakage conductor (3) between the described insulating barrier (10,5) of one or more in the described many current-carrying heart yearns (11,6,8) and each the self-corresponding described metal conducting layer (9,4)
Space in the described many current-carrying heart yearns (11,6,8) between any two and the external insulation layer (1) is filled with described filler.
6. the electric wire that has the detection of electrical leakage conductor according to claim 5 is characterized in that, described electric wire comprises three current-carrying heart yearns (11,6,8),
Wherein, the described insulating barrier (10,5) of two current-carrying heart yearns (11,6) outside is coated with metal conducting layer (9,4) respectively,
Has a described detection of electrical leakage conductor (3) between the described insulating barrier (10,5) of each of described two current-carrying heart yearns (11,6) and each the self-corresponding described metal conducting layer (9,4).
7. according to claim 2 or the 6 described electric wires that have the detection of electrical leakage conductor, it is characterized in that described filler is one or more strip filler.
8. according to claim 2 or the 6 described electric wires that have the detection of electrical leakage conductor, it is characterized in that described filler is plastic optical fibre or bafta.
9. according to claim 2 or the 6 described electric wires that have the detection of electrical leakage conductor, it is characterized in that, be connected as a single entity between the described filler.
10. the electric wire that has the detection of electrical leakage conductor according to claim 1, it is characterized in that, described many current-carrying heart yearns (11,6,8) and described detection of electrical leakage conductor (3) are held layer (13) by one deck and hold, and external insulation layer (1) closely coats the described layer (13) that holds.
11. the electric wire that has the detection of electrical leakage conductor according to claim 10 is characterized in that, the described layer (13) that holds is thin layer.
12. the electric wire that has the detection of electrical leakage conductor according to claim 11 is characterized in that, the described layer (13) that holds is cotton thin layer, plastic film layers or paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201556645U CN201355566Y (en) | 2008-11-20 | 2008-11-20 | Electric wire with current leakage detection conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201556645U CN201355566Y (en) | 2008-11-20 | 2008-11-20 | Electric wire with current leakage detection conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355566Y true CN201355566Y (en) | 2009-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201556645U Expired - Lifetime CN201355566Y (en) | 2008-11-20 | 2008-11-20 | Electric wire with current leakage detection conductor |
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| Country | Link |
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| CN (1) | CN201355566Y (en) |
Cited By (3)
| 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 |
| CN106542376A (en) * | 2016-12-08 | 2017-03-29 | 国网山东省电力公司东明县供电公司 | A kind of cable recovering apparatus and its method |
-
2008
- 2008-11-20 CN CNU2008201556645U patent/CN201355566Y/en not_active Expired - Lifetime
Cited By (4)
| 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 |
| CN106542376A (en) * | 2016-12-08 | 2017-03-29 | 国网山东省电力公司东明县供电公司 | A kind of cable recovering apparatus and its method |
| CN106542376B (en) * | 2016-12-08 | 2019-04-30 | 国网山东省电力公司东明县供电公司 | A kind of cable recovering apparatus and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU ELE. MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SHANGHAI ELE MFG. CORP. Effective date: 20130416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201703 QINGPU, SHANGHAI TO: 215125 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130416 Address after: 215125 No. 8 Xincheng Road, Suzhou Industrial Park, Jiangsu, Suzhou Patentee after: Suzhou ELE Electrical Appliance Manufacturing Co., Ltd. Address before: 201703 Shanghai city Qingpu District Metro Economic Zone two Huqingping No. 1 Lane 2933 Patentee before: Shanghai ELE Mfg. Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |
|
| CX01 | Expiry of patent term |