CN1589069A - Heating cable for indoor use - Google Patents
Heating cable for indoor use Download PDFInfo
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- CN1589069A CN1589069A CN 200410053908 CN200410053908A CN1589069A CN 1589069 A CN1589069 A CN 1589069A CN 200410053908 CN200410053908 CN 200410053908 CN 200410053908 A CN200410053908 A CN 200410053908A CN 1589069 A CN1589069 A CN 1589069A
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- Prior art keywords
- heating cable
- indoor
- heating
- cable
- temperature
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Abstract
An indoor heating cable includes a return lead in a jacket and a heating lead inserted in an insulation layer made of retardant material. The cross section of the return lead is a ring set inside of the jacket and outside of the insulation layer. A temperature controller with PID and a sensor measuring temperature can be set on the cable, the temperature controller gets the current value of the heating volume by operating on the difference between the temperature signal from the sensor and the set signal in the panel. The magnetic fields generated from the return lead and heating lead can be cancelled out, not influencing other applicances.
Description
Technical field
The present invention relates to a kind of heating cable, especially refer to a kind of being laid under the floor surface, be used for the heating cable that heats indoor.
Background technology
At present, people come temperature in the conditioning chamber by lay heating cable under the floor, as the Chinese invention patent application number be disclose in 99802901.7 " floor heating device that has automatic adjusting cable " so a kind of cable, this cable comprises two leads that be arranged in parallel and that wrapped by a kind of semiconductive plastic material, the conductance of semiconductive plastic material changes along with variation of temperature, and under sufficiently high temperature, can interrupt fully, therefore, when two leads link to each other with different potentials, electric current can radially flow through semiconductive plastic material between lead along the whole piece cable, thereby generation heat, owing to the change along with the conductance of this plastic material of the size of electric current changes, promptly the temperature highest region territory electric current of this cable is a minimum value, the heat that produces in this zone is less, and electric current is a maximum in the cable temperature lowermost extent, and the heat that produces in this zone is bigger, thereby played self-regulating effect, also reached fire-resistant safe requirement.But, consequently influence the use of household electrical appliance in heating around it because two leads in this construction of cable for be arrangeding in parallel, therefore can generate an electromagnetic field; Semiconductive plastic material in this construction of cable has determined it to have the effect of self regulating temperature simultaneously, and can't carry out variable frequency adjustment according to the variation of indoor temperature, therefore in use can't be effectively energy-conservation, so still there is unsatisfactory part.And be to adopt thermostat to control to the common way of the another kind of temperature control mode of heating cable, but adopt relay to come the Control current break-make mostly with thermostat on the heating cable on the existing market, though it has satisfied instructions for use to a certain extent, but in operating process, still find, when actuating of relay frequency is too small, temperature in very large range changes, and room temperature is non-constant, does not reach temperature control effect; And if its action is when too frequent, the useful life that then can reduce relay again, so that influence its normal use.
Summary of the invention
Technical problem to be solved by this invention be provide at above-mentioned prior art present situation a kind of rational in infrastructure, to external world electrical equipment influence little be used for indoor heating cable.
Another technical problem to be solved by this invention is at above-mentioned prior art present situation, provide a kind of can save energy be used for indoor heating cable.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this heating cable comprises backflow lead and the heating-wire that is positioned at sheath, it is characterized in that described heating-wire is embedded in the insulating barrier of being made by halogen-free low-smoke flame retardant material, and the cross section of described backflow lead in the form of a ring, and it is positioned within the sheath and is wrapped in outside the above-mentioned insulating barrier.
Also be provided with one deck waterproof screen between described backflow lead and the sheath, this screen can adopt the single face aluminium foil, also can adopt the conventional material of other identical performance.
Described heating-wire is good to adopt constantan.
Described backflow lead then can adopt tinned copper wire.
Described insulating barrier preferably adopts IXPE, also can adopt the conventional material of other identical performance.
The thermostat and the temperature sensor that is used to measure indoor temperature that can also comprise band PID adjuster, this temperature sensor is delivered to thermostat with the indoor temperature signal that collects, and thermostat obtains the current value that a control heating cable adds heat according to this temperature signal with by the difference computing between the setting signal on its panel.
Compared with prior art, the invention has the advantages that: because the backflow wrapped in wire is outside the insulating barrier of being made by halogen-free low-smoke flame retardant material, and heating-wire is embedded within this insulating barrier, so the electromagnetic field of the two generation cancels out each other, and electrical equipment no longer exerts an influence to external world; And adopt the insulating barrier of halogen-free low-smoke flame retardant material, and both environmental protection, ageing-resistant again, heat-resisting and tensile strength is good.The thermostat of Cai Yonging simultaneously can be controlled the size of current of heating cable intelligently, realizes the caloric value of frequency conversion ground control cable, thereby reaches effective purpose of energy saving.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the logic flow calcspar of thermostat in the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, this heating cable 1 comprises backflow lead 12 and the heating-wire 13 that is positioned at sheath 15, heating-wire 13 is embedded in the insulating barrier of being made by IXPE 11, and the cross section of backflow lead 12 in the form of a ring, and it is positioned within the sheath 15 and is wrapped in outside the above-mentioned insulating barrier.
In order to make heating cable have water-proof function, between described backflow lead 12 and sheath 15, also be provided with one deck single face aluminium foil, the while as screen 14, is played better shielding action, to eliminate electromagnetic field influence to external world up hill and dale with this.
Consider the electric property of lead, in the present embodiment, heating-wire 13 adopts constantan, makes heating-wire 13 have suitable resistivity and tensile strength, and is difficult for oxidation under long-term the use, remains constant resistivity.And backflow lead 12 adopts tinned copper wire; Sheath 15 adopts halogen-free low-smoke flame retardant materials, as adopting similar material such as IXPE, makes its not only environmental protection but also safety.
During use, be laid on heating cable 1 under the floor on request, and heating cable 1 is provided with the temperature sensor of a thermostat 2 and measurement indoor temperature, this thermostat 2 is installed on the metope, be provided with PID adjuster, temperature survey piece, process curve in it and establish piece and controller circuitry, as shown in Figure 2, these are conventional circuit, are not described in detail at this; This temperature sensor is delivered to thermostat 2 with the indoor temperature signal that collects, thermostat 2 obtains a corresponding current value according to this temperature signal with by the difference computing between the temperature signal of the setting on its panel, remove control heater behind the processing of this current value process driver and the actuator, it is heating cable, thereby the caloric value of frequency conversion ground control heating cable reaches effective purpose of energy saving.
Claims (7)
1, a kind ofly is used for indoor heating cable, it comprises backflow lead (12) and the heating-wire (13) that is positioned at sheath (15), it is characterized in that: described heating-wire (13) is embedded in the insulating barrier of being made by halogen-free low-smoke flame retardant material (11), and the cross section of described backflow lead (12) in the form of a ring, and it is positioned within the sheath (15) and is wrapped in outside the above-mentioned insulating barrier (11).
2, according to claim 1ly be used for indoor heating cable, it is characterized in that: also be provided with one deck waterproof screen (14) between described backflow lead (12) and the sheath (15).
3, according to claim 2ly be used for indoor heating cable, it is characterized in that: described screen (14) material therefor is the single face aluminium foil.
4, according to claim 1ly be used for indoor heating cable, it is characterized in that: described heating-wire (13) adopts constantan.
5, according to claim 1ly be used for indoor heating cable, it is characterized in that: described backflow lead (12) adopts tinned copper wire.
6, according to claim 1ly be used for indoor heating cable, it is characterized in that: described insulating barrier (11) adopts IXPE.
7, be used for indoor heating cable according to the arbitrary claim of claim 1 to 6 is described, it is characterized in that: also comprise the thermostat (2) of being with the PID adjuster and the temperature sensor that is used to measure indoor temperature, this temperature sensor is delivered to thermostat (2) with the indoor temperature signal that collects, and thermostat (2) obtains the current value that a control heating cable (1) adds heat according to this temperature signal with by the difference computing between the setting signal on its panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053908 CN1589069A (en) | 2004-08-18 | 2004-08-18 | Heating cable for indoor use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053908 CN1589069A (en) | 2004-08-18 | 2004-08-18 | Heating cable for indoor use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1589069A true CN1589069A (en) | 2005-03-02 |
Family
ID=34602996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410053908 Pending CN1589069A (en) | 2004-08-18 | 2004-08-18 | Heating cable for indoor use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1589069A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394610A (en) * | 2014-12-09 | 2015-03-04 | 德州暖康碳纤维科技有限公司 | Pair-twisted double-guide carbon fiber heating cable |
| CN106332335A (en) * | 2016-09-08 | 2017-01-11 | 芜湖市旭辉电工新材料有限责任公司 | High-strength flame-retardant insulated geothermal heating cable |
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
-
2004
- 2004-08-18 CN CN 200410053908 patent/CN1589069A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394610A (en) * | 2014-12-09 | 2015-03-04 | 德州暖康碳纤维科技有限公司 | Pair-twisted double-guide carbon fiber heating cable |
| CN106332335A (en) * | 2016-09-08 | 2017-01-11 | 芜湖市旭辉电工新材料有限责任公司 | High-strength flame-retardant insulated geothermal heating cable |
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |