CN103179697A - Heating structure and method capable of preventing overheating of hot line - Google Patents
Heating structure and method capable of preventing overheating of hot line Download PDFInfo
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- CN103179697A CN103179697A CN201110434640XA CN201110434640A CN103179697A CN 103179697 A CN103179697 A CN 103179697A CN 201110434640X A CN201110434640X A CN 201110434640XA CN 201110434640 A CN201110434640 A CN 201110434640A CN 103179697 A CN103179697 A CN 103179697A
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Abstract
Disclosed are a heating structure and a method capable of preventing overheating of a hot line. The hot line comprises a sensing line and a heating line which are connected in parallel, one end of the sensing line is connected with a processor, one end of the hot line is sequentially connected with an over-current protection element and one pole of an alternating current power supply, the other end of the hot line is sequentially connected with a switch and the other pole of the alternating current power supply, and a controller controls trigger of a trigger switch to enable the switch to be in a conducting state. Accordingly, under the normal state, the heating line performs heating with half waves, and the processor controls the switch to enable full waves to pass through the heating line so as to improve current values instantaneously when detecting abnormal signals of the sensing line, therefore the over-current protection element is interrupted, and the heating line stops further heating.
Description
Technical field
A kind of relevant heat radiating structure and the method that prevents that line with heating function is overheated of the present invention, it is espespecially a kind of when heater wire produces abnormal high temperature or switch damage, can interrupt the AC power stopped heating, to guarantee to use safety, be applicable to the electro-heat equipments such as electric blanket, hot compress pad and use.
Background technology
Electro-heat equipment such as hot compress pad is being used at present on the market widely, and allow heater wire heating after being heated to the temperature that the user sets automatically interrupt, can allow electro-heat equipment remain in predetermined heated perimeter, so that the function such as hot compress to be provided, and guarantee to use safety.
In order effectively to reach the effect of temperature control, the U.S. the 5th, 861, No. 610 Patent Cases are with positive temperature coefficient (Positive Temperature Coefficient, PTC) element is as detection line, and with the variation of sensing temperature, and the heater wire of arranging in pairs or groups simultaneously is to carry out the temperature control heating.Above-mentioned technology is disclosed in the U.S. the 6th, 300, No. 597, the 6th, 310, No. 322 and No. 6768086 Patent Case simultaneously.And another U.S. the 7th, 180, No. 037 Patent Cases are after continuing to measure the phase shift time of different zero cross signals by time difference determiner circuit, then are continued computing and exported control signal by processor, trigger the conducting of a switch with control triggering electric circuit, make the effect that reaches the constant temperature heating.
Just, the processor of above-mentioned each temperature-adjusting circuit just by the output of stop control signal, continues trigger switch to stop circuits for triggering, thereby the temperature of heater wire is descended after heater wire heats a period of time extremely.Therefore, be short-circuit condition when switch damages, and when allowing the heater wire continuous heating, although stop processor output control signal, still can't stopped heating, thus, with the danger that causes in use.
In view of this, in order to improve above-mentioned shortcoming, make heat radiating structure and the fast reaction of method energy that can prevent that line with heating function is overheated, and can be when heater wire produces abnormal high temperature or switch short circuit, can effectively interrupt heating line, to guarantee to use safety, long-pending experience and the constantly research and development improvement for many years of inventor has generation of the present invention then.
Summary of the invention
Main purpose of the present invention is providing a kind of under the normal heating state; control via processor; AC power is heated heater wire with the half-wave form; and when processor detects abnormal signal; can allow AC power pass through heater wire with the all-wave form; improve current value with moment, thereby overflow protecting element is interrupted, with overheated heat radiating structure and the method for prevented line with heating function that stops continuing heating.
Secondary objective of the present invention is providing a kind of under general state; control via processor; AC power is heated heater wire with the half-wave form; and when the switch short circuit; allow AC power pass through heater wire with the all-wave form; so that overflow protecting element interrupts, thereby stop continuing overheated heat radiating structure and the method for prevented line with heating function that heat.
For reaching the purpose of foregoing invention, a kind of heat radiating structure that prevents that line with heating function is overheated that the present invention is set, comprise: a line with heating function comprises a heater wire, a sense wire, insulation meltable layer and the coating layer that is coated on sense wire and insulation meltable layer outer peripheral edges between heater wire and sense wire; An overflow protecting element connects respectively the first end of heater wire and first utmost point of AC power, and is provided with a first node between the first end of this heater wire and this overflow protecting element, and the first end of this sense wire is coupled on this first node; A switch connects respectively the second end of heater wire and second utmost point of AC power; One makes the circuits for triggering that are conducting state, connecting valve for trigger switch; And the processor for the control switch conducting connects circuits for triggering, and this processor connects the second end of this sense wire, under general state, with the processor control triggering electric circuit, allows AC power pass through heater wire with half-wave; And when processor detects abnormal signal, allow AC power pass through heater wire with all-wave, with the raising current value, thereby overflow protecting element is opened circuit, to interrupt heating.
Whereby, under general state, the processor control triggering electric circuit allows AC power pass through heater wire with half-wave; And when processor detects abnormal signal, namely allow AC power pass through heater wire with all-wave, with moment raising current value, thereby overflow protecting element is opened circuit, to interrupt heating.
During enforcement, this switch is bidirectional thyristor (TRIAC).
During enforcement, this overflow protecting element is high molecular positive temp thermistor (Polyer Positive Temperature Coefficent, PPTC).
During enforcement, the second end of this sense wire is connected with an end of an electric capacity, the other end ground connection of this electric capacity, and be provided with Section Point between this sense wire and electric capacity, this processor connects Section Point.
During enforcement, be provided with a diode between the first end of this first node and sense wire.
During enforcement, the second end of this sense wire is connected with an end of a resistance, the other end ground connection of this resistance, and be provided with Section Point between this sense wire and resistance, this processor connects Section Point.
The overheated method of prevented line with heating function that the present invention is set, this line with heating function comprise a heater wire, a sense wire, insulation meltable layer and the coating layer that is coated on sense wire and insulation meltable layer outer peripheral edges between heater wire and sense wire; A first end overflow protecting element of series winding of this heater wire and first utmost point of an AC power, second switch of end series winding of heater wire and second utmost point of AC power, and the triggering of the circuits for triggering that this switch is controlled via a processor makes to be conducting state; And the method comprises: step a. allows AC power pass through heater wire with half-wave with the processor control triggering electric circuit, makes heater wire is heated; When step b. is short-circuit condition when the switch damage, enter step e; When step c detects when processor the abnormal signal that sense wire transmits, enter step f; Step e. AC power directly with all-wave by switch and heater wire, improving current value, thereby overflow protecting element is opened circuit, to interrupt heating; Step f. processor control switch makes AC power pass through heater wire with all-wave, with the raising current value, thereby overflow protecting element is opened circuit, to interrupt heating.
During enforcement, the described abnormal signal of step c is that heater wire contacts when being short circuit with sense wire, and the abnormal phase shift that produces changes signal, resistance changes signal or AC and DC changes signal.
Therefore, the present invention has advantages of following:
1, the present invention can contact with sense wire at heater wire and be short-circuit condition; and when allowing processor this abnormal signal be detected; can be under the control of processor; allow the trigger circuit triggers switch, make to change with the all-wave form by heater wire, improve current value with moment; thereby make the overflow protecting element escape with interrupt circuit; therefore, not only quite rapid in time response, and can effectively guarantee to use safety.
2, the present invention can be via the configuration of overflow protecting element, damages and when being short-circuit condition at switch, allows improve by current value moment of heater wire, and makes the overflow protecting element escape with interrupt circuit, therefore, can effectively improve the fail safe of product.
For ease of can have a better understanding the present invention, after hereby being specified in:
Description of drawings
Fig. 1 is the stereo appearance figure of line with heating function of the present invention.
Fig. 2 is the circuit box schematic diagram that the present invention can prevent the first embodiment of the heat radiating structure that line with heating function is overheated.
Fig. 3 is the circuit box schematic diagram of the first embodiment when normal heating that the present invention can prevent the heat radiating structure that line with heating function is overheated.
Fig. 4 is the circuit box schematic diagram of the first embodiment when short circuit that the present invention can prevent the heat radiating structure that line with heating function is overheated.
Fig. 5 is the circuit box schematic diagram that the present invention can prevent the second embodiment of the heat radiating structure that line with heating function is overheated.
Fig. 6 is the circuit box schematic diagram that the present invention can prevent the 3rd embodiment of the heat radiating structure that line with heating function is overheated.
Fig. 7 is the flow chart of steps that the present invention can prevent the method that line with heating function is overheated.
[main element symbol description]
1 can prevent heat radiating structure and the method that line with heating function is overheated
2 line with heating functions
21 core 22 heater wires
221,231 first ends 222,232 second ends
23 sense wire 24 insulation meltable layer
25 coating layer 3 switches
4 overflow protecting element 5 circuits for triggering
6 processor 9 AC power
91 first utmost point 92 second utmost points
P1 first node P2 Section Point
C electric capacity D diode
R resistance
Embodiment
See also shown in Fig. 1,2, it can prevent the first embodiment of the overheated heat radiating structure of line with heating function 1 for the present invention, comprises a line with heating function 2, a switch 3, an overflow protecting element 4, circuits for triggering 5, a processor 6 and a capacitor C.Wherein, this line with heating function 2 can be for being arranged in the electro-heat equipments such as electrothermal furnace, hot compress pad, with the element as heating.
This line with heating function 2 comprises a core 21, a heater wire 22, a sense wire 23, insulation meltable layer 24 and a coating layer 25.Heater wire 22 is wound in the outer peripheral edges of core 21, insulation meltable layer 24 is polyethylene (PE) material, for the outer peripheral edges that are coated on heater wire 22 and core 21, during enforcement, insulation meltable layer 24 also can be other and has insulating property (properties), and the material that can melt under specific high temperature.This sense wire 23 is positive temperature coefficient (Positive Temperature Coefficient, PTC) wire, and this sense wire 23 is wound in the outer peripheral edges of insulation meltable layer 24, so that the insulation meltable layer 24 between heater wire 22 and sense wire 23, and coating layer 25 be coated on sense wire 23 and the insulation meltable layer 24 outer peripheral edges.
This heater wire 22 has a first end 221 and is in reverse to the second end 222 of this first end 221, first utmost point 91 of the first end 221 coupling AC power 9 of heater wire 22, the second end 222 of heater wire 22 connects a main side of a bidirectional thyristor (TRIAC), this bidirectional thyristor is as switch 3, and second utmost point 92 of another main side coupling AC power 9 of this bidirectional thyristor, this first and second utmost point (91,92) is the opposite utmost point, so as to heater wire 22, switch 3 are connected with AC power 9, formation can be heated a loop of heater wire 22.
This overflow protecting element 4 is high molecular positive temp thermistor (Polyer Positive Temperature Coefficent; PPTC), described overflow protecting element 4 also can be ceramic positive temperature thermistor (Ceramic PTC) or other can be at element or the circuit of interrupt circuit under over-current state with protective circuit.First utmost point 91 of one end coupling AC power 9 of this overflow protecting element 4, the first end 221 of the other end coupling heater wire 22 of overflow protecting element 4 is provided with first node P1 between the first end 221 of heater wire 22 and overflow protecting element 4.And this sense wire 23 has a first end 231 and be in reverse to the second end 232 of this first end 231, the first end 231 of sense wire 23 is coupled on first node P1, the second end 232 of sense wire 23 is connected with an end of capacitor C, the other end ground connection of capacitor C, and be provided with Section Point P2 between the second end 232 of this sense wire 23 and electric capacity, this Section Point P2 connects processor 6.
Separately, the gate of switch 3 is connected with a resistance-capacitance (RC) circuit, this resistance-capacitance (RC) circuit is as circuits for triggering 5, described circuits for triggering 5 also can be the circuit that comprises a relay, and these circuits for triggering 5 are subject to processing the signal controlling of device 6, with the triggering via circuits for triggering 5, make switch 3 be conducting or off state.
Whereby, as shown in Figure 3, when general normal heating, processor 6 sends the signal of certain intervals with control triggering electric circuit 5, then with circuits for triggering 5 discontinuity trigger switches 3, AC power 9 is heated to heater wire 22 with the half-wave form.And as shown in Figure 4, under the state that artificial improper operation or component wear etc. can not be expected, when making switch 3 continue to be triggered, heater wire 22 will continuous heating, after the high temperature that arrives about 120 ℃ of left and right, the meltable layer that will insulate 24 fusings are short-circuit condition and make heater wire 22 contact with sense wire 23.At this moment, because heater wire parallel with one another 22 total resistance value with sense wire 23 changes, via sense wire 23 and the formed resistance-capacitance of capacitor C (RC) circuit, namely can allow the phase-shift delay that produces certain hour by the electric current of sense wire 23.And because the part of AC power 9 is shunted in input processor 6, with benchmark as a comparison, therefore, when processor 6 relatively detected this abnormal phase shift and changes signal, processor 6 namely can make switch 3 change with the all-wave form by heater wire 22.Thus, the current value by heater wire 22 will increase to original 2 times.And improve and when surpassing the set point of high molecular positive temp thermistor (PPTC) when current value moment; characteristic by high molecular positive temp thermistor (PPTC); will make overflow protecting element 4 escapes, interrupt circuit makes and is off state, continues heating with stopped heating line 22.
In these cases, this switch 3 continues to be triggered, and makes heater wire 22 continuous heatings.And in another case, when producing high temperature for switch 3 under continuous action, switch 3 itself presents the state of short circuit; thus; AC power 9 will directly be passed through heater wire 22 with the all-wave form, understand equally moment and improve current value, make overflow protecting element 4 escapes and interrupt circuit.
See also shown in Figure 5ly, it can prevent the second embodiment of the overheated heat radiating structure of line with heating function 1 for the present invention, and itself and the first embodiment difference are: be provided with a diode D between the first end 231 of this first node P1 and sense wire 23.Whereby, contact with sense wire 23 when heater wire 22 and when being short-circuit condition, will make originally the dc signal by sense wire 23 be converted to ac signal.And when processor 6 detected this abnormal signal, processor 6 namely can control switch 3, made to change with the all-wave form by heater wire 22, allowed overflow protecting element 4 escapes and interrupt circuit.
And as shown in Figure 6, it can prevent the 3rd embodiment of the overheated heat radiating structure of line with heating function 1 for the present invention, and itself and the first embodiment difference are: an end of this Section Point P2 coupling one resistance R, and the other end ground connection of this resistance R.Whereby; contact with sense wire 23 when heater wire 22 and when being short-circuit condition; the resistance value that is positioned at Section Point P2 will produce change; and when processor 6 detects this abnormal resistance change signal; same meeting control switch 3; make to change with the all-wave form by heater wire 22, allow overflow protecting element 4 escapes and interrupt circuit.
See also shown in Figure 7, it can prevent the flow chart of steps of the method that line with heating function is overheated for the present invention, wherein, as shown in Figure 1, 2, this line with heating function 2 comprises heater wire 22, sense wire 23, the insulation meltable layer 24 between heater wire 22 and sense wire 23 and is coated on sense wire 23 and the coating layer 25 of insulation meltable layer 24 outer peripheral edges; The first end 221 series winding overflow protecting elements 4 of heater wire 22 and first utmost point 91 of AC power 9, the second end 222 series connected switches 3 of heater wire 22 and second utmost point 92 of AC power 9, and the triggering of the circuits for triggering 5 that switch 3 is controlled via processor 6 makes to be conducting state; And the method comprises the following steps:
Step a. allows AC power 9 pass through heater wire 22 with half-wave with processor 6 control triggering electric circuits 5, makes heater wire 22 is heated;
When step b. is short-circuit condition when switch 3 damages, enter step e;
When step c detects when processor 6 abnormal signal that sense wire 23 transmits, enter step f;
Step e. AC power 9 is directly passed through switch 3 and heater wire 22 with all-wave, with the raising current value, thereby overflow protecting element 4 is opened circuit, to interrupt heating;
Wherein, the described abnormal signal of step c is that heater wire 22 contacts when being short circuit with sense wire 23, and the abnormal phase shift that produces changes signal.During enforcement, the described abnormal signal of step c also can be heater wire 22 and contacts when being short circuit with sense wire 23, and the abnormal resistance that produces changes signal; Or as shown in Figure 5, this abnormal signal is that heater wire 22 contacts when being short-circuit condition with sense wire 23, makes original dc signal by sense wire 23 be converted to ac signal.
Therefore, the present invention has advantages of following:
1, the present invention can contact with sense wire at heater wire and be short-circuit condition; and when allowing processor this abnormal signal be detected; can be under the control of processor; allow the trigger circuit triggers switch, make to change with the all-wave form by heater wire, improve current value with moment; thereby make the overflow protecting element escape with interrupt circuit; therefore, not only quite rapid in time response, and can effectively guarantee to use safety.
2, the present invention can be via the configuration of overflow protecting element, damages and when being short-circuit condition at switch, allows improve by current value moment of heater wire, and makes the overflow protecting element escape with interrupt circuit, therefore, can effectively improve the fail safe of product.
In sum, according to the content that above discloses, the present invention really can reach the expection purpose of invention, provide a kind of can not only fast reaction, and can be when heater wire produces abnormal high temperature or switch malfunction, can effectively interrupt heating line, to guarantee the using overheated heat radiating structure of safe prevented line with heating function and method, have the value of utilizing on industry.
Claims (10)
1. the heat radiating structure that can prevent that line with heating function is overheated, is characterized in that, comprising:
A line with heating function comprises a heater wire, a sense wire, insulation meltable layer and the coating layer that is coated on sense wire and insulation meltable layer outer peripheral edges between heater wire and sense wire;
An overflow protecting element connects respectively the first end of heater wire and first utmost point of AC power, and is provided with a first node between the first end of this heater wire and this overflow protecting element, and the first end of this sense wire is coupled on this first node;
A switch connects respectively the second end of heater wire and second utmost point of AC power;
One makes the circuits for triggering that are conducting state, connecting valve for trigger switch; And
A processor for the control switch conducting connects circuits for triggering, and this processor connects the second end of this sense wire, under general state, with the processor control triggering electric circuit, allows AC power pass through heater wire with half-wave; And when processor detects abnormal signal, allow AC power pass through heater wire with all-wave, with the raising current value, thereby overflow protecting element is opened circuit, to interrupt heating.
2. the heat radiating structure that prevents that line with heating function is overheated as claimed in claim 1, is characterized in that, this switch is bidirectional thyristor.
3. the heat radiating structure that prevents that line with heating function is overheated as claimed in claim 1, is characterized in that, this overflow protecting element is the high molecular positive temp thermistor.
4. as claim 1, the 2 or 3 described heat radiating structures that prevent that line with heating function is overheated, it is characterized in that, the second end of this sense wire is connected with an end of an electric capacity, the other end ground connection of this electric capacity, and be provided with a Section Point between the second end of this sense wire and an end of this electric capacity, this processor connects this Section Point.
5. the heat radiating structure that prevents that line with heating function is overheated as claimed in claim 4, is characterized in that, is provided with a diode between the first end of this first node and this sense wire.
6. as claim 1, the 2 or 3 described heat radiating structures that prevent that line with heating function is overheated, it is characterized in that, the second end of this sense wire is connected with an end of a resistance, the other end ground connection of this resistance, and be provided with a Section Point between the second end of this sense wire and an end of this resistance, this processor connects this Section Point.
7. method that can prevent that line with heating function is overheated, it is characterized in that, this line with heating function comprises a heater wire, a sense wire, insulation meltable layer and the coating layer that is coated on sense wire and insulation meltable layer outer peripheral edges between heater wire and sense wire; A first end overflow protecting element of series winding of this heater wire and first utmost point of an AC power, second switch of end series winding of heater wire and second utmost point of AC power, and the triggering of the circuits for triggering that this switch is controlled via a processor makes to be conducting state; And the method comprises:
Step a. allows AC power pass through heater wire with half-wave with the processor control triggering electric circuit, makes heater wire is heated;
When step b. is short-circuit condition when the switch damage, enter step e;
When step c detects when processor the abnormal signal that sense wire transmits, enter step f;
Step e. AC power directly with all-wave by switch and heater wire, improving current value, thereby overflow protecting element is opened circuit, to interrupt heating;
Step f. processor control switch makes AC power pass through heater wire with all-wave, with the raising current value, thereby overflow protecting element is opened circuit, to interrupt heating.
8. the method that prevents that line with heating function is overheated as claimed in claim 7, is characterized in that, the described abnormal signal of step c is that heater wire contacts when being short circuit with sense wire, and the abnormal phase shift that produces changes signal.
9. the method that prevents that line with heating function is overheated as claimed in claim 7, is characterized in that, the described abnormal signal of step c is that heater wire contacts when being short circuit with sense wire, and the abnormal resistance that produces changes signal.
10. the method that prevents that line with heating function is overheated as claimed in claim 7, is characterized in that, the described abnormal signal of step c is that heater wire contacts when being short circuit with sense wire, and the abnormal AC and DC that produces changes signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110434640XA CN103179697A (en) | 2011-12-22 | 2011-12-22 | Heating structure and method capable of preventing overheating of hot line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110434640XA CN103179697A (en) | 2011-12-22 | 2011-12-22 | Heating structure and method capable of preventing overheating of hot line |
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| CN103179697A true CN103179697A (en) | 2013-06-26 |
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| CN201110434640XA Pending CN103179697A (en) | 2011-12-22 | 2011-12-22 | Heating structure and method capable of preventing overheating of hot line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181957A (en) * | 2014-01-22 | 2014-12-03 | 漳州灿坤实业有限公司 | An electrical heating control system and an electronic temperature-sensitive rod designed by utilizing the system |
| CN112834958A (en) * | 2013-09-17 | 2021-05-25 | 光达家电用品公司 | Circuit integrity detection system for detecting integrity of sensing wire in electrically heated textile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070508A (en) * | 1991-08-08 | 1993-03-31 | 松下电器产业株式会社 | Thermosensitive heating wire |
| US20040004070A1 (en) * | 2002-07-08 | 2004-01-08 | Sunbeam Products, Inc. | Temperature sensor for a warming blanket |
| CN1809223A (en) * | 2005-01-21 | 2006-07-26 | 杨顺在 | Heat radiating structure and temperature control method |
| CN101098570A (en) * | 2006-06-28 | 2008-01-02 | 王清传 | Method and circuit for preventing superheating of heating device |
| CN101272641A (en) * | 2007-03-19 | 2008-09-24 | 香港塔祈巴那电器有限公司 | Heating soft wire |
| US20100051604A1 (en) * | 2008-05-28 | 2010-03-04 | Vladimir Nikolayevich Davidov | Safe planar electrical heater |
| CN101674686A (en) * | 2008-09-09 | 2010-03-17 | 李淑秋 | Heat generation device and temperature control method thereof |
| CN102193566A (en) * | 2010-03-01 | 2011-09-21 | 王清传 | Temperature control circuit of heating wire and temperature control method thereof |
-
2011
- 2011-12-22 CN CN201110434640XA patent/CN103179697A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070508A (en) * | 1991-08-08 | 1993-03-31 | 松下电器产业株式会社 | Thermosensitive heating wire |
| US20040004070A1 (en) * | 2002-07-08 | 2004-01-08 | Sunbeam Products, Inc. | Temperature sensor for a warming blanket |
| CN1809223A (en) * | 2005-01-21 | 2006-07-26 | 杨顺在 | Heat radiating structure and temperature control method |
| CN101098570A (en) * | 2006-06-28 | 2008-01-02 | 王清传 | Method and circuit for preventing superheating of heating device |
| CN101272641A (en) * | 2007-03-19 | 2008-09-24 | 香港塔祈巴那电器有限公司 | Heating soft wire |
| US20100051604A1 (en) * | 2008-05-28 | 2010-03-04 | Vladimir Nikolayevich Davidov | Safe planar electrical heater |
| CN101674686A (en) * | 2008-09-09 | 2010-03-17 | 李淑秋 | Heat generation device and temperature control method thereof |
| CN102193566A (en) * | 2010-03-01 | 2011-09-21 | 王清传 | Temperature control circuit of heating wire and temperature control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834958A (en) * | 2013-09-17 | 2021-05-25 | 光达家电用品公司 | Circuit integrity detection system for detecting integrity of sensing wire in electrically heated textile |
| CN104181957A (en) * | 2014-01-22 | 2014-12-03 | 漳州灿坤实业有限公司 | An electrical heating control system and an electronic temperature-sensitive rod designed by utilizing the system |
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Owner name: FANYU JIANKANG TECHNOLOGY CAREER CO., LTD. Free format text: FORMER OWNER: WANG QINGCHUAN Effective date: 20140605 |
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Effective date of registration: 20140605 Address after: Chinese Taiwan New Taipei City Applicant after: FANYU HEALTH TECHNOLOGY GROUP CO., LTD. Address before: Taiwan, Keelung, China Applicant before: Wang Qingchuan |
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Application publication date: 20130626 |