CN202677946U - A water-cooled medium-high-frequency flexible cable - Google Patents
A water-cooled medium-high-frequency flexible cable Download PDFInfo
- Publication number
- CN202677946U CN202677946U CN 201220356266 CN201220356266U CN202677946U CN 202677946 U CN202677946 U CN 202677946U CN 201220356266 CN201220356266 CN 201220356266 CN 201220356266 U CN201220356266 U CN 201220356266U CN 202677946 U CN202677946 U CN 202677946U
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- flexible cable
- conductor
- enamelled copper
- wires
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Abstract
The utility model relates to a flexible cable and especially relates to a medium-high-frequency flexible cable used as an output extending cable and a winding inductor which are applied to the output end of a medium-high-frequency electromagnetic induction heating power supply. The flexible cable comprises a conductor, a fiber glass filament wrapping layer which fixes the conductor, and a wrapped fiber-woven strengthening ethylene propylene diene monomer insulating layer. The conductor is twisted by plural stranded wires and each stranded wire is twisted by plural enamelled copper wires. The conductor is twisted by 48 stranded wires and each stranded wire is twisted by 15 enamelled copper wires. The diameter of the enamelled copper wire is 0.1 mm and the enamelled copper wires are 220 degree centigrade enamelled copper wires. The high-frequency current conductor is twisted by selected multiple thin enamelled copper wires. Because the enamelled copper wire is insulated from one another, skin effect and proximity effect of current with operating frequency are overcome by selecting the enamelled copper wires with proper diameter. The current carrying capacity of the flexible cable is equal to that of a power-frequency cable. The current carrying capacity can be increased by selecting high-temperature enamelled copper wires.
Description
Technical field
The utility model relates to a kind of flexible cable, relates in particular to a kind of output that is applied in the medium-high frequency electromagnetic induction heating power supply, does the medium-high frequency flexible cable of output prolongation and coiling inductor.
Background technology
Electromagnetic heater is a kind of device that utilizes electromagnetic induction principle to convert electrical energy into heat energy.Electromagnetic induction heating power supply output be the medium-high frequency high-voltage great-current of 2kHz ~ 500MHz, voltage reaches as high as 3KV, electric current also is that hundreds of amperes do not wait, require like this this output cable need high pressure resistant, satisfy large ampacity; Satisfy simultaneously high temperature resistant, wear-resisting, weatherability, require softness, adapt to the use occasion of various harshnesses.
The large electric current flexible cable of water-cooled medium-high frequency that uses at present, structure are bare copper wire braiding core, and the cover insulation pressure-resistant material is made into water-cooled high frequency flexible cable again.But because the problem of structure, the skin effect that overcomes high-frequency current and proximity effect that can not be good, so-called skin effect refer to that electric current will concentrate on conductive surface to be passed through when alternating current passes through conductor; When so-called proximity effect refers to that adjacent wires flows through high-frequency current, because the magnetoelectricity effect makes the characteristic of electric current secundly.Therefore the large electric current flexible cable of existing water-cooled medium-high frequency is little to the higher ampacity of frequency, and heating is serious, wastes energy.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of water-cooled medium-high frequency flexible cable, and it can overcome skin effect and the proximity effect of high-frequency current.
Water-cooled medium-high frequency flexible cable of the present utility model, it is characterized in that: comprise conductor, fix the glass fiber winding layer of this conductor, strengthen the ethylene propylene diene rubber insulating barrier with the fibrage of overcoat, described conductor is twisted into by a plural number strand twisted wire, and per share twisted wire is twisted into by the complex root enamel covered wire.
Described conductor is twisted into by 14 strands of twisted wires, and per share twisted wire is twisted into by 150 these enamel covered wires.
The diameter of described enamel covered wire is 0.1mm.
Described enamel covered wire is 220 ℃ of copper enamelled wires.
The thickness of glass fiber winding layer is 0.5MM.
The thickness that the ethylene propylene diene rubber insulating barrier is strengthened in fibrage is 4MM.
Select the many stranded high-frequency current conductors that form of thin enamel covered wire, because root thoroughly does away with edge between the enamel covered wire, select the wire diameter of suitable copper enamelled wire, can overcome skin effect and the proximity effect of operating frequency electric current, the ability of its ampacity can be equal to the ampacity of power frequency cable, selects high temperature copper enamelled wire can improve ampacity.
Description of drawings
Fig. 1 is the structural representation of water-cooled medium-high frequency flexible cable of the present utility model.
Embodiment
Now in conjunction with the accompanying drawings and embodiments the utility model is described in further detail.
Referring to Fig. 1, water-cooled medium-high frequency flexible cable of the present utility model is selected 220 ℃ of copper enamelled wires of 0.1mm diameter, is twisted into one with 150 these copper enamelled wires, is twisted into final conductor 10 with 14 strands of these twisted wires again; Use 0.5MM glass fiber winding layer 20 fixed conductors 10, ethylene propylene diene rubber insulating barrier 30 is strengthened in overcoat 4MM fibrage again.Logical cooling pure water between glass fiber winding layer 20 and the cover insulation layer 30.
Characteristics according to high-frequency current, mainly be skin effect and proximity effect, select the many stranded high-frequency current conductors that form of thin enamel covered wire, because root thoroughly does away with edge between the enamel covered wire, select the wire diameter of suitable copper enamelled wire, can overcome skin effect and the proximity effect of operating frequency electric current, the ability of its ampacity can be equal to the ampacity of power frequency cable; Select high temperature copper enamelled wire can improve ampacity;
Select the stranded cable that makes of thinner copper enamelled wire more soft; After selected specification copper enamelled wire is stranded, with the refractory glass fibre silk cable core that is fastened, make stranded thin copper enamelled wire firm, indeformable, do not disperse; The ethylene propylene diene rubber insulating barrier is strengthened in overcoat fibrage, but water pressure resistance, softness, dielectric strength is high, and is high voltage withstanding, wear-resisting; Logical pure water cooling conductor core is because of the large ampacity issuable high temperature that generates heat between conductor cores and the jacket layer.
The range of application of water-cooled medium-high frequency flexible cable of the present utility model is 200MHZ, ampacity 400Arms, withstand voltage 3000Vrms water-cooled medium-high frequency cable: select this technical scheme, can make the power stage of the electromagnetic induction heating power supply of high-power medium-high frequency had a kind of applicable, convenient, safety, lightly, power delivery cable and twine inductor easily; Its feature is to use medium-high frequency electric current, large, high temperature resistant, soft, wear-resisting, weather-proof, light, high pressure resistant, the safety of ampacity; Little, the thick heaviness of shortcoming ampacity of old money cable, not wear-resisting, poor stability have been overcome.
This water-cooled medium-high frequency flexible cable is widely used in the power stage of electromagnetic induction heating power supply, is applied in large-scale workpiece welding preheating, welding insulation, the post weld heat treatment of factory; The various thermal management application of field construction etc.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. water-cooled medium-high frequency flexible cable, it is characterized in that: comprise conductor, fix the glass fiber winding layer of this conductor, strengthen the ethylene propylene diene rubber insulating barrier with the fibrage of overcoat, described conductor is twisted into by a plural number strand twisted wire, and per share twisted wire is twisted into by the complex root enamel covered wire.
2. water-cooled medium-high frequency flexible cable as claimed in claim 1, it is characterized in that: described conductor is twisted into by 14 strands of twisted wires, and per share twisted wire is twisted into by 150 these enamel covered wires.
3. water-cooled medium-high frequency flexible cable as claimed in claim 1, it is characterized in that: the diameter of described enamel covered wire is 0.1mm.
4. water-cooled medium-high frequency flexible cable as claimed in claim 1, it is characterized in that: described enamel covered wire is 220 ℃ of copper enamelled wires.
5. water-cooled medium-high frequency flexible cable as claimed in claim 1, it is characterized in that: the thickness of glass fiber winding layer is 0.5MM.
6. water-cooled medium-high frequency flexible cable as claimed in claim 1 is characterized in that: the thickness that the ethylene propylene diene rubber insulating barrier is strengthened in fibrage is 4MM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356266 CN202677946U (en) | 2012-07-23 | 2012-07-23 | A water-cooled medium-high-frequency flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356266 CN202677946U (en) | 2012-07-23 | 2012-07-23 | A water-cooled medium-high-frequency flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677946U true CN202677946U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220356266 Expired - Fee Related CN202677946U (en) | 2012-07-23 | 2012-07-23 | A water-cooled medium-high-frequency flexible cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN202677946U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334157A (en) * | 2013-06-14 | 2013-10-02 | 中山大学 | Energy-saving induction coil and crystal growth furnace adopting same |
| CN105280297A (en) * | 2015-11-19 | 2016-01-27 | 江苏双登电力科技有限公司 | High frequency power cable |
| CN109448927A (en) * | 2018-07-31 | 2019-03-08 | 天津市奥讯通电缆科技发展有限公司 | The manufacturing process of high frequency excitation wire |
-
2012
- 2012-07-23 CN CN 201220356266 patent/CN202677946U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334157A (en) * | 2013-06-14 | 2013-10-02 | 中山大学 | Energy-saving induction coil and crystal growth furnace adopting same |
| CN105280297A (en) * | 2015-11-19 | 2016-01-27 | 江苏双登电力科技有限公司 | High frequency power cable |
| CN109448927A (en) * | 2018-07-31 | 2019-03-08 | 天津市奥讯通电缆科技发展有限公司 | The manufacturing process of high frequency excitation wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20170723 |