CN2826887Y - Multi power area electrical heating wire - Google Patents
Multi power area electrical heating wire Download PDFInfo
- Publication number
- CN2826887Y CN2826887Y CN 200520075959 CN200520075959U CN2826887Y CN 2826887 Y CN2826887 Y CN 2826887Y CN 200520075959 CN200520075959 CN 200520075959 CN 200520075959 U CN200520075959 U CN 200520075959U CN 2826887 Y CN2826887 Y CN 2826887Y
- Authority
- CN
- China
- Prior art keywords
- electric heating
- wire
- heart yearn
- heating wire
- short circuit
- Prior art date
- 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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Abstract
The utility model relates to an electrical heating wire with multiple power zones, which comprises a core wire (1), a metal wire (2), a short circuit copper wire (3) and an insulating protective sleeve (5), wherein the metal wire (2) is wound at the surface of the core wire (1) to form an electric heating core wire; the short circuit copper wire (3) is inserted at the two heads of the electric heating core wire, so the electric heating core wire is formed into a short circuit zone and a middle power zone; the insulating protective sleeve (5) is coated on the electric heating core wire. The utility model is characterized in that the density of the metal wire (2) wound at the surface of the core wire (1) is different, so a plurality of power zones are formed on the electric heating core wire; both ends surface of the short circuit zone are coated with color marks (4). A plurality of power zones are formed on one root of electric heating wire and off positions among each root of electric heating wire can be controlled correctly.
Description
Technical field:
The utility model relates to a kind of electric heating wire, especially relates to a kind of many power district electric heating wire.Be applicable to and make small-sized or heater wire etc. is laid in mini domestic electrical equipment, pipeline heater wire, roof heater wire and road, bridge, airfield runway, farmland.Belong to the electrical heating elements technical field.
Background technology:
Before the utility model is made, traditional electric heating wire is as heart yearn with glass fibre, after heart yearn surface uniform winding wire forms the electric heating heart yearn, the copper wire that inserts certain-length at two of electric heating heart yearn makes the short circuit of electric heating wire two, form two shorting region and middle power district, cover PVC or silicon rubber insulation cover formation electric heating wire in the outsourcing of electric heating heart yearn again.Its shortcoming is because the wire that is wrapped on the glass fibre heart yearn twines the density uniformity, make that the resistance value on the whole piece electric heating wire is identical, power is identical, therefore can only be applicable to place, then can not be suitable for for the place that requires different capacity district bringing-up section to electric heating wire heating power requirement uniformity.In addition, do not have tangible distinctiveness mark between the shorting region at this kind electric heating wire two and the middle power district, therefore be difficult to the length off-position between every electric heating wire of correct control in process of production.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of many power district electric heating wire that forms a plurality of power district on the electric heating wire and can correctly control off-position between the every electric heating wire that makes is provided.
The purpose of this utility model is achieved in that a kind of many power district electric heating wire, comprise heart yearn, wire, short circuit copper wire and insulating sleeve, described wire is wrapped in the heart yearn surface and forms the electric heating heart yearn, the short circuit copper wire is inserted in electric heating heart yearn two, make the heating core line form two shorting region and middle power district, insulating sleeve is coated on the electric heating heart yearn, it is characterized in that: the density difference that described wire twines on the heart yearn surface, on the electric heating heart yearn, form a plurality of power district, thus the demand in the place of the different capacity district bringing-up section that can meet the demands.
Many power of the utility model district electric heating wire scribbles color mark at described shorting region two end surfaces, can very correctly control the off-position of every electric heating wire like this in production process.
Description of drawings:
Fig. 1 is the structural representation of this many power district electric heating wire electric heating heart yearn.
Fig. 2 is the outside drawing of many power of the utility model district electric heating wire.
Embodiment:
Referring to Fig. 1～2, Fig. 1 is the heating core line chart of many power of the utility model district electric heating wire.It is as heart yearn 1 with glass fibre, twine the wire 2 formation electric heating heart yearns in different densities district on heart yearn 1 surface after, the copper wire 3 that inserts certain-length at two of electric heating heart yearn makes the short circuit of electric heating wire two, form two shorting region and middle power district, scribble color mark 4 at shorting region two end surfaces, cover PVC or silicon rubber insulation cover 5 formation electric heating wires in the outsourcing of electric heating heart yearn again.
Claims (2)
1, a kind of many power district electric heating wire, comprise heart yearn (1), wire (2), short circuit copper wire (3) and insulating sleeve (5), described wire (2) is wrapped in heart yearn (1) surface and forms the electric heating heart yearn, short circuit copper wire (3) is inserted in electric heating heart yearn two, make the heating core line form two shorting region and middle power district, insulating sleeve (5) is coated on the electric heating heart yearn, it is characterized in that: the density difference that described wire (2) twines on heart yearn (1) surface forms a plurality of power district on the electric heating heart yearn.
2, a kind of many power according to claim 1 district electric heating wire is characterized in that: scribble color mark (4) at shorting region two end surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520075959 CN2826887Y (en) | 2005-09-29 | 2005-09-29 | Multi power area electrical heating wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520075959 CN2826887Y (en) | 2005-09-29 | 2005-09-29 | Multi power area electrical heating wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2826887Y true CN2826887Y (en) | 2006-10-11 |
Family
ID=37067071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520075959 Expired - Lifetime CN2826887Y (en) | 2005-09-29 | 2005-09-29 | Multi power area electrical heating wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2826887Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100536627C (en) * | 2007-12-05 | 2009-09-02 | 江阴市卫康电热电器有限公司 | Single end coaxial silicon rubber heater wire |
-
2005
- 2005-09-29 CN CN 200520075959 patent/CN2826887Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100536627C (en) * | 2007-12-05 | 2009-09-02 | 江阴市卫康电热电器有限公司 | Single end coaxial silicon rubber heater wire |
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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 |
Granted publication date: 20061011 |
|
| EXPY | Termination of patent right or utility model |