CN1819723A - Heating element of cable - Google Patents
Heating element of cable Download PDFInfo
- Publication number
- CN1819723A CN1819723A CN 200610049732 CN200610049732A CN1819723A CN 1819723 A CN1819723 A CN 1819723A CN 200610049732 CN200610049732 CN 200610049732 CN 200610049732 A CN200610049732 A CN 200610049732A CN 1819723 A CN1819723 A CN 1819723A
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- CN
- China
- Prior art keywords
- heater element
- heating cable
- alloy
- copper
- external coating
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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.)
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Abstract
A heating element of the heating cable, which is multi-layer metal structure, the multi-layer metal structure includes the inner core and the outside cladding, the material of the inner core is one of the following: iron, iron-carbon alloy, nickel and nickel-chrome alloy; the material of the outside cladding is one of the following: copper, copper alloy, tin, tin alloy, zinc, zinc alloy, gold and gold alloy; the section area of the outside cladding occupy 1%-50% of the total section area of the heating element. The outside cladding is two layers, the material from inner to outer are copper and tin in turn. Te invention is the multi-layer metal structure heating element, the capability have both mechanism capability of the inner core material and appropriate resistivity, the material of the outside cladding is low touch resistance, the chemical stability and weldability, thus the anti-abruption strength is strong, the conduction efficiency is high.
Description
(1) technical field
A kind of heating function that provides is provided is used to make the heater element that heating cable is used, belong to the composition metal field of functional materials.
(2) background technology
Heating cable is a kind of novel electric heating thermal insulation material, because of its temperature automatically controlled property, energy savings, safe in utilization, lay plurality of advantages such as convenient and be widely used in family's floor heating, pipe-line equipment anti-freezing and heat-insulating, road and roof ice dissolution, fields such as automobile.Its cross-sectional structure of the most basic heating cable is from the inside to surface successively: heater element, insulating heat-conductive layer, electro-magnetic screen layer, outermost protective layer.The heater element of heating cable mainly contains linear and non-linear two big classes at present.The linear fever element is made with the single-layer metal material usually, as high-resistance alloy wire rods such as nichromes, fine copper and copper alloy low resistance wire rod is arranged also, and the heating cable that is made of this class heater element is low-temperature radiant floor heating heating cable normally.Non-linear heater element is the crosslinkable conductive plastics (as cross-linked polyolefin and crosslinked fluoro-containing plastic) with positive temperature coefficient (PTC) effect, also have polycrystal chip component (as barium titanate BaTiO2), the heating cable that is made of this class heater element is self controlled heating cable normally.There is the inferior position of material cost height or insufficient strength or welding performance difference in the linear fever element that constitutes with single-layer metal materials such as fine copper or copper alloy or nichromes, has manufacturing process complexity, defective that the heat efficiency is low with the heater element of formations such as crosslinked conductive plastics.
(3) summary of the invention
Purpose of the present invention for the heater element cost of manufacture height that solves the traditional heating cable, intensity is low and shortcoming such as welding performance difference, provides a kind of with low cost, the heater element of the heating cable that intensity height and performance are good.
For this reason, the present invention is by the following technical solutions:
A kind of heater element of heating cable is characterized in that it being a kind of multi-layer metal structure, and described multi-layer metal structure comprises inner sandwich layer and external coating, and described inner sandwich layer material is one of following formula: 1. iron; 2. iron-carbon alloy; 3. nickel; 4. nichrome; Described external coating material is one of following formula: 1. copper; 2. copper alloy; 3. tin; 4. ashbury metal; 5. zinc; 6. kirsite; 7. golden; 8. billon; Described external coating sectional area accounts for the 1%-50% of heater element total sectional area.
Described external coating is one or more layers.
Described external coating is two layers, and what coat successively from the inside to surface is copper product and tin material.
The cross sectional shape of described heater element is circle, ellipse or rectangle.
Described inner sandwich layer material is an iron.
The beneficial effect of the heater element of heating cable of the present invention is mainly reflected in: the heater element that multi-layer metal structure constitutes has had both on performance: the mechanical performance of inner sandwich layer material and suitable resistivity, the low contact resistance of external coating material, chemical stability and solderability, thereby have that anti-pull-off force is big, conduction efficiency is high, lightweight characteristics, and material cost obviously descends under the constant situation of heating efficiency.According to the kelvin effect of alternating current, when electric current passed through conductor, current density mainly concentrated on the outer surface of conductor, and therefore with inner sandwich layer, the compound conductor that is prepared from of external coating different metal material, the generation of its heat is mainly reflected in external coating.External coating has guaranteed quite high thermal effect as low electrical resistant material, have chemical stability and the good advantage of solderability again simultaneously, and inner sandwich layer provides composite material sufficiently high mechanical strength.Avoided with fine copper as the low-intensity of heater element, nichrome as the low efficiency of poor, the crosslinked conductive plastics of the expensive and solderability of heater element as heater element.
(4) embodiment
The present invention is described further below in conjunction with specific embodiment, but method related in the scheme and technical parameter can not be interpreted as limitation of the present invention.
A kind of heater element of heating cable is a kind of multi-layer metal structure, and described multi-layer metal structure comprises inner sandwich layer and external coating, described inner sandwich layer material steel; Described external coating material copper; Described external coating sectional area accounts for 30% of heater element total sectional area.
The concrete preparation method of the heater element of described heating cable is as follows:
The cylindrical 45# steel of Φ 2.6 is being contained 5～20g/LNaOH, 5～20g/LNa as the inner sandwich layer material
2CO
3, 5～10g/LNa
3PO
4, 0.008～0.05g/L neopelex solution in the pre-treatment that eliminates rust in the oil removing, 15% hydrochloric acid solution, then at CuCN 30g/L, NaCN40g/L, Na
2CO
3Press 40 ℃, 1.0A/dm in 15g/L, the sodium potassium tartrate tetrahydrate 45g/L solution
2The copper layer of process conditions preplating 13 μ m to increase the adhesion between inner core and the external coating, then at CuSO
4.5H
2O 250g/L, H
2SO
4Press 30 ℃, 3.0A/dm in the 80g/L solution
2Process conditions under the copper layer of re-plating 0.200mm, gross thickness is the sectional area 30% that its sectional area of external coating material of 0.213mm accounts for total heater element, recording tensile strength is 995MPa, conductance is 30%IACS (the international standard value of annealed copper conductance when IACS is 20 ℃), the composite material of above-mentioned preparation is become Φ 0.8 through the wire drawing processing from diameter of phi 2.813, the composite material of Φ 0.8 is as the elementary cell of heater element, when the preparation heating cable, single Φ 0.8 or two Φ 0.8 can be twisted into the heater element of the form of thigh as heating cable with parallel construction or by many Φ 0.8 by the machine of being twisted together.
Claims (5)
1. the heater element of a heating cable is characterized in that it being a kind of multi-layer metal structure, and described multi-layer metal structure comprises inner sandwich layer and external coating, and described inner sandwich layer material is one of following formula: 1. iron; 2. iron-carbon alloy; 3. nickel; 4. nichrome; Described external coating material is one of following formula: 1. copper; 2. copper alloy; 3. tin; 4. ashbury metal; 5. zinc; 6. kirsite; 7. golden; 8. billon; Described external coating sectional area accounts for the 1%-50% of heater element total sectional area.
2. the heater element of heating cable as claimed in claim 1 is characterized in that described external coating is one or more layers.
3. the heater element of heating cable as claimed in claim 2 is characterized in that described external coating is two layers, and what coat successively from the inside to surface is copper product and tin material.
4. the heater element of heating cable as claimed in claim 3 is characterized in that the cross sectional shape of described heater element is circle, ellipse or rectangle.
5, the heater element of heating cable as claimed in claim 1 is characterized in that described inner sandwich layer material is an iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610049732 CN1819723A (en) | 2006-03-07 | 2006-03-07 | Heating element of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610049732 CN1819723A (en) | 2006-03-07 | 2006-03-07 | Heating element of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1819723A true CN1819723A (en) | 2006-08-16 |
Family
ID=36919349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610049732 Pending CN1819723A (en) | 2006-03-07 | 2006-03-07 | Heating element of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1819723A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013110211A1 (en) * | 2012-01-25 | 2013-08-01 | Maas Bernard Karel | Electronic simulation cigarette and atomizer thereof |
| WO2013110210A1 (en) * | 2012-01-25 | 2013-08-01 | Maas Bernard Karel | Heating element atomizer, and electronic simulation cigarette for use in atomization |
| CN103987142A (en) * | 2013-02-08 | 2014-08-13 | 刘秋明 | Heating element, electronic cigarette and method for forming heating element |
| CN112211063A (en) * | 2019-07-10 | 2021-01-12 | 汉能移动能源控股集团有限公司 | Solar pavement and conductor |
-
2006
- 2006-03-07 CN CN 200610049732 patent/CN1819723A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013110211A1 (en) * | 2012-01-25 | 2013-08-01 | Maas Bernard Karel | Electronic simulation cigarette and atomizer thereof |
| WO2013110210A1 (en) * | 2012-01-25 | 2013-08-01 | Maas Bernard Karel | Heating element atomizer, and electronic simulation cigarette for use in atomization |
| CN103379836A (en) * | 2012-01-25 | 2013-10-30 | 中汇远东实业有限公司 | Electronic simulation cigarette and atomizer thereof |
| CN103596457A (en) * | 2012-01-25 | 2014-02-19 | 中汇远东实业有限公司 | Heating element atomizer, and electronic simulation cigarette for use in atomization |
| CN103987142A (en) * | 2013-02-08 | 2014-08-13 | 刘秋明 | Heating element, electronic cigarette and method for forming heating element |
| CN112211063A (en) * | 2019-07-10 | 2021-01-12 | 汉能移动能源控股集团有限公司 | Solar pavement and conductor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |