CN103263144B - Far infrared intelligent electric heating writing desk plate and control circuit thereof - Google Patents
Far infrared intelligent electric heating writing desk plate and control circuit thereof Download PDFInfo
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- CN103263144B CN103263144B CN201310187085.4A CN201310187085A CN103263144B CN 103263144 B CN103263144 B CN 103263144B CN 201310187085 A CN201310187085 A CN 201310187085A CN 103263144 B CN103263144 B CN 103263144B
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- temperature
- carbon fiber
- fiber heating
- normally closed
- heating line
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- 238000005485 electric heating Methods 0.000 title abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 68
- 239000004917 carbon fiber Substances 0.000 claims abstract description 68
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 36
- 238000005070 sampling Methods 0.000 claims description 32
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 11
- 239000004744 fabric Substances 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The invention discloses a far infrared intelligent electric heating writing desk plate and a control circuit thereof. The far infrared intelligent electric heating writing desk plate comprises a base shell and an aluminum alloy surface shell, the lower side surface of the aluminum alloy surface shell is provided with a groove channel for placing carbon fiber heating wires, the front side of the aluminum alloy surface shell is provided with an opening for arranging a control panel, the control panel is provided with a digital display for displaying temperatures, a heating adjusting button, a heat reducing adjusting button, a main switch and the control circuit; or the control panel is provided with a constant temperature control circuit; and a heat insulation reflection plate is arranged between the aluminum alloy surface shell and the base shell, and the upper side surface of the heat insulation reflection plate is provided with heat reflection cloth or coated with heat reflection paint. Due to the fact that the aluminum alloy surface shell is utilized in the far infrared intelligent electric heating writing desk plate, the far infrared intelligent electric heating writing desk plate is not easy to be deformed in a long-time heated process, and is good in mechanical strength, long in service life and good in using safety. Besides, the control circuit is also well improved, the circuit is simpler, the adjustment is more convenient, the temperature control is more intelligent, and the heat transmission efficiency is higher.
Description
Technical field
The present invention relates to a kind of Far-infrared intelligent electrothermal desk board and control circuit thereof.
Background technology
Winter, in the place of some colds, make troubles usually to clerical workforce or student, what existing electric heating writing pad panel adopted is glass material panel, leather panel or wood panel, and the heat transference efficiency of those panels is low, power consumption is large, not energy-conservation, mechanical strength is not high, and service life is short, frangiblely easily split, security is not high.And circuit does not arrange fast heating device, heat slowly.In addition, adopt manual temperature control, temperature adjustment is inconvenient, inaccurate.
Summary of the invention
Based on above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of Far-infrared intelligent electrothermal desk board and control circuit thereof, what this desk board adopted is aluminium alloy face-piece, not easily distortion is produced in long-term thermal histories, and mechanical strength is high, long service life, the security of use is high.In addition, control circuit aspect have also been made good improvement, and circuit is more simple, regulate convenient, and temperature control is more intelligent.
Technical scheme one of the present invention is: a kind of Far-infrared intelligent electrothermal desk board, comprise face-piece and the drain pan of desk, described face-piece is aluminium alloy face-piece, the downside of described aluminium alloy face-piece is provided with the conduit for laying carbon fiber heating line, being provided with the opening for installing control panel on front side of described aluminium alloy face-piece, described control panel being provided with for the digital display of displays temperature, heat adjustment button, temperature reducing regulation button, master switch and control circuit; Be provided with insulation reflecting plate between described aluminium alloy face-piece and drain pan, the upper side of described insulation reflecting plate is provided with heat reflection cloth or is coated with heat reflection paint.
Above-mentioned control circuit comprises temperature controller, temperature sampling thermistor, power line, the first carbon fiber heating line, the second carbon fiber heating line, electromagnetic type relay, higher temperatures normally closed type temperature switch and comparatively low temperature normally closed type temperature switch, and the power input of described temperature controller is connected with power line; The power take-off of described temperature controller is connected to higher temperatures normally closed type temperature switch, the first normally opened contact of electromagnetic type relay and relay coil high potential one end respectively; The low potential end of described higher temperatures normally closed type temperature switch is linked in sequence the opposing contacts of the first normally opened contact of the first carbon fiber heating line, the second carbon fiber heating line and electromagnetic type relay, the opposing contacts of described second normally opened contact is connected on the common port of temperature controller, and described higher temperatures normally closed type temperature switch is arranged on the first carbon fiber heating line side; Described second normally opened contact is connected on the connecting line of first, second carbon fiber heating line; Low potential one end of described relay coil is first connected to compared with being connected on the common port of temperature controller after low temperature normally closed type temperature switch, described comparatively low temperature normally closed type temperature switch is arranged on the second carbon fiber heating line side, a pair normally-closed contact docking of described relay coil; Described temperature sampling thermistor is arranged on the first carbon fiber heating line side, and described temperature sampling thermistor is connected to the temperature sampling input of temperature controller; The control signal input of described temperature controller respectively with heat regulate button, temperature reducing regulation button is connected with master switch; The temperature signal input of described temperature controller is connected with digital display.
Above-mentioned drain pan is plastics drain pan, and below described drain pan, surrounding is provided with rubber blanket.The upper side electrostatic of described aluminium alloy face-piece scribbles Teflon enamelled coating.
Technical scheme two of the present invention is: a kind of Far-infrared intelligent electrothermal desk board, comprise face-piece and the drain pan of desk, described face-piece is aluminium alloy face-piece, the downside of described aluminium alloy face-piece is provided with the conduit for laying carbon fiber heating line, described aluminium alloy face-piece is provided with the opening for installing control panel, described control panel is provided with constant temperature control circuit; Be provided with insulation reflecting plate between described aluminium alloy face-piece and drain pan, the upper side of described insulation reflecting plate is provided with heat reflection cloth or is coated with heat reflection paint.
Above-mentioned constant temperature control circuit is provided with touch-screen radiator valve and power switch key.The power input of described touch-screen radiator valve is connected with power line; The power output end of described touch-screen radiator valve is linked in sequence higher temperatures normally closed type temperature switch, carbon fiber heating line and be connected on the common port of touch-screen radiator valve again compared with after low temperature normally closed type temperature switch successively, forms loop; Described higher temperatures normally closed type temperature switch and comparatively low temperature normally closed type temperature switch are all arranged on carbon fiber heating line side, in order to the temperature of sensing carbon fiber heating line; Described comparatively low temperature normally closed type temperature switch is also parallel with half-power and controls diode; The side of the temperature of described carbon fiber heating line is also provided with temperature sampling thermistor, and described temperature sampling thermistor is connected to the temperature sampling input of touch-screen radiator valve; Described power switch key is connected on touch-screen radiator valve control signal input.
Above-mentioned drain pan is plastics drain pan, and described drain pan edge is provided with power line draw-in groove and perforation, and described drain pan is also provided with constant temperature control circuit louvre.Rubber mat is provided with on the downside of described drain pan.The upper side electrostatic of described aluminium alloy face-piece scribbles Teflon enamelled coating.
Beneficial effect of the present invention is: one is do face-piece owing to have employed aluminum alloy materials, not yielding, mechanical strength is high, long service life, and the upper side of base plate is provided with heat reflection cloth or is coated with heat reflection paint, make its heat transference efficiency high, the more energy-conserving and environment-protective of relatively existing like product, the energy-conservation slogan of active response country; Two is that the frame for movement of this Far infrared electrothermal writing liner plate is simple, cheap, is conducive to reducing fund input, improves the economic benefit of enterprise; Three is that control circuit aspect have also been made good improvement, and circuit is more simple, regulate convenient, and temperature control is more intelligent.In addition, this control circuit is also applicable in other equipment adopting electric heating or engineering.
Accompanying drawing explanation
Fig. 1 is the top view of the Far-infrared intelligent electrothermal desk board of embodiment 1.
Fig. 2 is A-A sectional structure schematic diagram in Fig. 1.
Fig. 3 is the medial surface structural representation that aluminum alloy materials does face-piece.
Fig. 4 is the Far-infrared intelligent electrothermal desk board control circuit schematic diagram of embodiment 1.
Fig. 5 is the top view of the Far-infrared intelligent electrothermal desk board of embodiment 2.
Fig. 6 is B-B sectional structure schematic diagram in Fig. 5.
Fig. 7 is the Far-infrared intelligent electrothermal desk board control circuit schematic diagram of embodiment 2.
Label instructions: 1-3-2 - pan surface shell digital display 4 - heating adjustment button 5-6 - minus temperature adjusting button master switch 7 - carbon fiber hair hotline 8 - insulation baffle board 9-10 - sampling thermistor temperature thermostat 11-12 - the power cord first carbon fiber hair hotline 13 - the second carbon fiber hair hotline 14 - electromagnetic relay 15 to 60 degrees often closed temperature switch 16 to 35 degrees often closed temperature switch 17-18 - normally open contacts first normally open contacts the relative contact 19-2 normally open contacts the relative contact 20-2 normally open contacts 21-22 - thermostat thermostat of common power output end of 23-24 - control panel 25 rubber mat - carbon fiber hair hotline 26-27 - touch screen half power control diode 31 - constant temperature controller is normally closed contact of 32 - normally closed contacts.
Detailed description of the invention
Embodiment 1
With reference to legend 1-4, a kind of Far-infrared intelligent electrothermal desk board, comprise face-piece 1 and the drain pan 2 of desk, described face-piece is aluminium alloy face-piece, the downside of described aluminium alloy face-piece is provided with the conduit for laying carbon fiber heating line 7, being provided with the opening for installing control panel on front side of described aluminium alloy face-piece, described control panel being provided with for the digital display 3 of displays temperature, heat adjustment button 4, temperature reducing regulation button 5, master switch 6 and control circuit; Be provided with insulation reflecting plate 8 between described aluminium alloy face-piece and drain pan, the upper side of described insulation reflecting plate is provided with heat reflection cloth or is coated with heat reflection paint.
Above-mentioned control circuit comprises temperature controller 9, temperature sampling thermistor 10, power line 11, first carbon fiber heating line 12, second carbon fiber heating line 13, electromagnetic type relay 14,60 degree of normally closed type temperature switches 15 and 35 degree of normally closed type temperature switches 16, and the power input of described temperature controller is connected with power line; The power take-off of described temperature controller is connected to 60 degree of normally closed type temperature switches, the first normally opened contact 17 of electromagnetic type relay and relay coil high potential one end respectively; The low potential end of described 60 degree of normally closed type temperature switches is linked in sequence the opposing contacts 18 of the first normally opened contact of the first carbon fiber heating line, the second carbon fiber heating line and electromagnetic type relay, the opposing contacts 19 of described second normally opened contact is connected on the common port of temperature controller, and described 60 degree of normally closed type temperature switches are arranged on the first carbon fiber heating line side; Described second normally opened contact 20 is connected on the connecting line of first, second carbon fiber heating line; Be connected on the common port 21 of temperature controller after low potential one end of described relay coil is first connected to 35 degree of normally closed type temperature switches, described 35 degree of normally closed type temperature switches are arranged on the second carbon fiber heating line side, and a pair normally-closed contact 31,32 of described relay coil docks; Described temperature sampling thermistor is arranged on the first carbon fiber heating line side, and described temperature sampling thermistor is connected to the temperature sampling input of temperature controller; The control signal input of described temperature controller respectively with heat regulate button, temperature reducing regulation button is connected with master switch; The temperature signal input of described temperature controller is connected with digital display.
Above-mentioned drain pan is plastics drain pan, and below described drain pan, surrounding is provided with rubber blanket 23.The upper side electrostatic of described aluminium alloy face-piece scribbles Teflon enamelled coating.
Operation principle: power line switches on power, temperature controller 9 obtains electric, temperature sampling thermistor 10 sends temperature information to temperature controller 9, the power take-off of temperature controller is connected, electric current is by 35 degree of normally closed type temperature switches, electromagnetic type relay 14 coil obtains electric, and its normally opened contact is connected (17 and 18 serial connections, 19 are connected in series with 20); Normally-closed contact disconnects (18 and 31 disconnect, and 19 and 32 disconnect), and the first carbon fiber heating line 12 and the parallel connection of the second carbon fiber heating line 13, to reach the object of fast heating.When temperature reaches 35 degree, 35 degree of normally closed type temperature switches disconnect, electromagnetic type relay 14 coil losing electricity, its normally opened contact is thrown off, and its normally opened contact is thrown off (17 and 18 disconnect, and 19 and 20 disconnect), (18 are connected in series with 31 in normally-closed contact connection, 19 are connected in series with 32), the first carbon fiber heating line 12 and the second carbon fiber heating line 13 are connected, and now the first carbon fiber heating line 12 and the second carbon fiber heating line 13 enter rated power duty.If when desk board temperature exceedes set temperature, the power take-off open circuit of described temperature controller, if when desk board temperature is lower than set temperature, the power take-off path of described temperature controller, reaches the object of heating and constant temperature.If temperature exceedes safe handling temperature 60 degree, 60 degree of normally closed type temperature switches 15 are opened a way, and what temperature sampling thermistor 10 transmitted is high temperature information, guarantee safe handling.This circuit can be applicable to other equipment adopting electric heating or engineerings simultaneously.
Embodiment 2
With reference to legend 5-7, a kind of Far-infrared intelligent electrothermal desk board, comprise face-piece 1 and the drain pan 2 of desk, described face-piece is aluminium alloy face-piece, the downside of described aluminium alloy face-piece is provided with the conduit for laying carbon fiber heating line 7, described aluminium alloy face-piece is provided with the opening for installing control panel 24, described control panel downside is provided with constant temperature control circuit; Be provided with insulation reflecting plate 8 between described aluminium alloy face-piece and drain pan, the upper side of described insulation reflecting plate is provided with heat reflection cloth or is coated with heat reflection paint.
Above-mentioned constant temperature control circuit is provided with touch-screen radiator valve 27 and power switch key 26.The power input of described touch-screen radiator valve is connected with power line 11; The power output end of described touch-screen radiator valve is linked in sequence successively after 60 degree of normally closed type temperature switches 15, carbon fiber heating line 25 and 35 degree of normally closed type temperature switches 16 and is connected on the common port 21 of touch-screen radiator valve again, forms loop; Described 60 degree of normally closed type temperature switches and 35 degree of normally closed type temperature switches are all arranged on carbon fiber heating line side, in order to the temperature of sensing carbon fiber heating line; Described 35 degree of normally closed type temperature switches are also parallel with half-power and control diode 26; The side of the temperature of described carbon fiber heating line is also provided with temperature sampling thermistor, and described temperature sampling thermistor 10 is connected to the temperature sampling input of touch-screen radiator valve; Described power switch key is connected on touch-screen radiator valve control signal input.
Above-mentioned drain pan is plastics drain pan, and described drain pan edge is provided with power line draw-in groove and perforation, and described drain pan is also provided with constant temperature control circuit louvre.Rubber mat 23 is provided with on the downside of described drain pan.The upper side electrostatic of described aluminium alloy face-piece scribbles Teflon enamelled coating.
Operation principle: the line that switches on power (plug), touch-screen radiator valve 27 obtains electric, and temperature sampling thermistor 10 transmits temperature information to touch-screen radiator valve 27, and at this moment temperature is room temperature; Touch-screen radiator valve 27 power output end connects 60 degree of normally closed type temperature switches 15, carbon fiber heating line 25 and 35 degree of normally closed type temperature switches 16 successively, and carbon fiber heating line 25 obtains the heating of electric total power, to reach the object of fast heating.When temperature reaches 35 degree, 35 degree of normally closed type temperature switches 16 disconnect, and electric current controls diode 26 by half-power, and at this moment carbon fiber heating line 25 enters half-power duty, namely rated operation.When temperature reaches constant temperature (setting), power output end disconnects, and when temperature is lower than constant temperature, power output end was connected, to reach the object of constant temperature.If when temperature exceedes the temperature 60 degree of safe handling, 60 degree of normally closed type temperature switches 15 disconnect, guarantee safe handling.
Above-mentioned control circuit can be applicable in other equipment adopting electric heating or engineering simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, include in scope of patent protection of the present invention.
Claims (8)
1. a Far-infrared intelligent electrothermal desk board, comprise face-piece and the drain pan of desk, it is characterized in that: described face-piece is aluminium alloy face-piece, the downside of described aluminium alloy face-piece is provided with the conduit for laying carbon fiber heating line, being provided with the opening for installing control panel on front side of described aluminium alloy face-piece, described control panel being provided with for the digital display of displays temperature, heat adjustment button, temperature reducing regulation button, master switch and control circuit; Described control circuit comprises temperature controller, temperature sampling thermistor, power line, the first carbon fiber heating line, the second carbon fiber heating line, electromagnetic type relay, higher temperatures normally closed type temperature switch and comparatively low temperature normally closed type temperature switch, and the power input of described temperature controller is connected with power line; The power take-off of described temperature controller is connected to higher temperatures normally closed type temperature switch, the first normally opened contact of electromagnetic type relay and relay coil high potential one end respectively; The low potential end of described higher temperatures normally closed type temperature switch is linked in sequence the opposing contacts of the first normally opened contact of the first carbon fiber heating line, the second carbon fiber heating line and electromagnetic type relay, the opposing contacts of the second normally opened contact is connected on the common port of temperature controller, and described higher temperatures normally closed type temperature switch is arranged on the first carbon fiber heating line side; Described second normally opened contact is connected on the connecting line of first, second carbon fiber heating line; Low potential one end of described relay coil is first connected to compared with being connected on the common port of temperature controller after low temperature normally closed type temperature switch, and described comparatively low temperature normally closed type temperature switch is arranged on the second carbon fiber heating line side; A pair normally-closed contact docking of described relay coil, described temperature sampling thermistor is arranged on the first carbon fiber heating line side, and described temperature sampling thermistor is connected to the temperature sampling input of temperature controller; The control signal input of described temperature controller respectively with heat regulate button, temperature reducing regulation button is connected with master switch; The temperature signal input of described temperature controller is connected with digital display.
2. Far-infrared intelligent electrothermal desk board according to claim 1, is characterized in that: described drain pan is plastics drain pan, and below described drain pan, surrounding is provided with rubber blanket.
3. Far-infrared intelligent electrothermal desk board according to claim 1 and 2, is characterized in that: the upper side electrostatic of described aluminium alloy face-piece scribbles Teflon enamelled coating.
4. the control circuit of a Far-infrared intelligent electrothermal desk board, comprise temperature controller, temperature sampling thermistor, power line, the first carbon fiber heating line, the second carbon fiber heating line, electromagnetic type relay, higher temperatures normally closed type temperature switch and comparatively low temperature normally closed type temperature switch, it is characterized in that: the power input of described temperature controller is connected with power line; The power take-off of described temperature controller is connected to higher temperatures normally closed type temperature switch, the first normally opened contact of electromagnetic type relay and relay coil high potential one end respectively;
The low potential end of described higher temperatures normally closed type temperature switch is linked in sequence the opposing contacts of the first normally opened contact of the first carbon fiber heating line, the second carbon fiber heating line and electromagnetic type relay, the opposing contacts of the second normally opened contact is connected on the common port of temperature controller, and described higher temperatures normally closed type temperature switch is arranged on the first carbon fiber heating line side;
Described second normally opened contact is connected on the connecting line of first, second carbon fiber heating line;
Low potential one end of described relay coil is first connected to compared with being connected on the common port of temperature controller after low temperature normally closed type temperature switch, described comparatively low temperature normally closed type temperature switch is arranged on the second carbon fiber heating line side, a pair normally-closed contact docking of described relay coil;
Described temperature sampling thermistor is arranged on the first carbon fiber heating line side, and described temperature sampling thermistor is connected to the temperature sampling input of temperature controller;
The control signal input of described temperature controller respectively with heat regulate button, temperature reducing regulation button is connected with master switch; The temperature signal input of described temperature controller is connected with digital display.
5. a Far-infrared intelligent electrothermal desk board, comprise face-piece and the drain pan of desk, it is characterized in that: described face-piece is aluminium alloy face-piece, the downside of described aluminium alloy face-piece is provided with the conduit for laying carbon fiber heating line, described aluminium alloy face-piece is provided with the opening for installing control panel, described control panel is arranged with constant temperature control circuit; Described constant temperature control circuit is provided with touch-screen radiator valve and power switch key, the power input of described touch-screen radiator valve is connected with power line; The power output end of described touch-screen radiator valve is linked in sequence higher temperatures normally closed type temperature switch, carbon fiber heating line and be connected on the common port of touch-screen radiator valve again compared with after low temperature normally closed type temperature switch successively, forms loop; Described higher temperatures normally closed type temperature switch and comparatively low temperature normally closed type temperature switch are all arranged on carbon fiber heating line side, thus are conducive to the temperature sensing carbon fiber heating line; Described comparatively low temperature normally closed type temperature switch is also parallel with half-power and controls diode; The side of the temperature of described carbon fiber heating line is also provided with temperature sampling thermistor, and described temperature sampling thermistor is connected to the temperature sampling input of touch-screen radiator valve; Described power switch key is connected on touch-screen radiator valve control signal input.
6. Far-infrared intelligent electrothermal desk board according to claim 5, it is characterized in that: described drain pan is plastics drain pan, described drain pan edge is provided with power line draw-in groove and perforation, and described drain pan is also provided with constant temperature control circuit louvre, is provided with rubber mat on the downside of described drain pan.
7. the Far-infrared intelligent electrothermal desk board according to claim 5 or 6, is characterized in that: the upper side electrostatic of described aluminium alloy face-piece scribbles Teflon enamelled coating.
8. a constant temperature control circuit for Far-infrared intelligent electrothermal desk board, is characterized in that: described constant temperature control circuit is provided with touch-screen radiator valve and power switch key, and the power input of described touch-screen radiator valve is connected with power line; The power output end of described touch-screen radiator valve is linked in sequence higher temperatures normally closed type temperature switch, carbon fiber heating line and be connected on the common port of touch-screen radiator valve again compared with after low temperature normally closed type temperature switch successively, forms loop; Described higher temperatures normally closed type temperature switch and comparatively low temperature normally closed type temperature switch are all arranged on carbon fiber heating line side, thus are conducive to the temperature sensing carbon fiber heating line; Described comparatively low temperature normally closed type temperature switch is also parallel with half-power and controls diode; The side of the temperature of described carbon fiber heating line is also provided with temperature sampling thermistor, and described temperature sampling thermistor is connected to the temperature sampling input of touch-screen radiator valve; Described power switch key is connected on touch-screen radiator valve control signal input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187085.4A CN103263144B (en) | 2013-05-20 | 2013-05-20 | Far infrared intelligent electric heating writing desk plate and control circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187085.4A CN103263144B (en) | 2013-05-20 | 2013-05-20 | Far infrared intelligent electric heating writing desk plate and control circuit thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103263144A CN103263144A (en) | 2013-08-28 |
| CN103263144B true CN103263144B (en) | 2015-02-25 |
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| CN201310187085.4A Expired - Fee Related CN103263144B (en) | 2013-05-20 | 2013-05-20 | Far infrared intelligent electric heating writing desk plate and control circuit thereof |
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| CN (1) | CN103263144B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107844062A (en) * | 2016-09-20 | 2018-03-27 | 广东美的生活电器制造有限公司 | Electric heater and its heating control circuit |
| CN107844061A (en) * | 2016-09-20 | 2018-03-27 | 广东美的生活电器制造有限公司 | Electric heater and its heating control circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1058690A (en) * | 1990-07-31 | 1992-02-12 | 株式会社金星社 | Surge preventing circuit for electromagnetic induction cooking apparatus |
| CN201019233Y (en) * | 2006-12-30 | 2008-02-13 | 周茂明 | Warmer for table |
| CN201312638Y (en) * | 2008-11-12 | 2009-09-23 | 美的集团有限公司 | Heat-preservation dining table |
| CN201403782Y (en) * | 2009-05-19 | 2010-02-17 | 冯雪凤 | Far infrared electric heating desk board |
| CN202115192U (en) * | 2011-05-17 | 2012-01-18 | 陈孟春 | Far infrared electrothermal writing liner plate |
| CN203305719U (en) * | 2013-05-20 | 2013-11-27 | 陈孟春 | Far infrared electric heating writing table plate |
| CN103640406A (en) * | 2013-11-23 | 2014-03-19 | 大连创达技术交易市场有限公司 | Self-cleaning Chinese painting copying tracing table |
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2013
- 2013-05-20 CN CN201310187085.4A patent/CN103263144B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058690A (en) * | 1990-07-31 | 1992-02-12 | 株式会社金星社 | Surge preventing circuit for electromagnetic induction cooking apparatus |
| US5099379A (en) * | 1990-07-31 | 1992-03-24 | Gold Star Co., Ltd. | Surge preventing circuit for electromagnetic induction cooking apparatus |
| CN201019233Y (en) * | 2006-12-30 | 2008-02-13 | 周茂明 | Warmer for table |
| CN201312638Y (en) * | 2008-11-12 | 2009-09-23 | 美的集团有限公司 | Heat-preservation dining table |
| CN201403782Y (en) * | 2009-05-19 | 2010-02-17 | 冯雪凤 | Far infrared electric heating desk board |
| CN202115192U (en) * | 2011-05-17 | 2012-01-18 | 陈孟春 | Far infrared electrothermal writing liner plate |
| CN203305719U (en) * | 2013-05-20 | 2013-11-27 | 陈孟春 | Far infrared electric heating writing table plate |
| CN103640406A (en) * | 2013-11-23 | 2014-03-19 | 大连创达技术交易市场有限公司 | Self-cleaning Chinese painting copying tracing table |
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