CN103818353B - A kind of electric heated defrosting rearview mirror - Google Patents
A kind of electric heated defrosting rearview mirror Download PDFInfo
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- CN103818353B CN103818353B CN201410057974.3A CN201410057974A CN103818353B CN 103818353 B CN103818353 B CN 103818353B CN 201410057974 A CN201410057974 A CN 201410057974A CN 103818353 B CN103818353 B CN 103818353B
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- rearview mirror
- light emitting
- bimetal
- emitting diode
- electric
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Abstract
The invention discloses a kind of electric heated defrosting rearview mirror, comprise the heater circuit on rearview mirror and rearview mirror, described heater circuit is provided with heating plate, in the middle of described electric heating piece, is provided with holding circuit, and described holding circuit comprises bimetal release, resistance and light emitting diode; Described bimetal release is connected in the middle of electric heating piece, in parallel with bimetal release after resistance and light emitting diode series connection; Described bimetal release, light emitting diode are all attached to the inner side of rearview mirror. The invention has the beneficial effects as follows, the temperature of electric heated defrosting is controlled in zone of reasonableness, and has alarm lamp to remind driver to close in time electric heated defrosting switch, and convenient and reliable effectively simple, with low cost being easy to realized.
Description
Technical field
The present invention relates to the electric heated defrosting rearview mirror on a kind of automobile.
Background technology
Automobile is in the time that the weather such as rain, snow, mist travel, and the easy frosting knot of rearview mirror mist becomes very fuzzy, and notConvenient for cleaning, affect traffic safety. For head it off, an electric heating is generally installed in the eyeglass of rearview mirrorSheet or Electric radiant Heating Film, driver opens rearview mirror electrical heating switch, and electric heating piece will heat eyeglass, makes to condense in mirrorThe frost mist on sheet surface evaporates rapidly, thereby plays the effect of defrosting-defogging. This scheme cost is lower, by mostCar load factory adopts. But, close electrical heating switch or open by mistake and open electrical heating and open at normal weather when driver forgetsGuan Shi, the long-time invalid heating of electric heating piece, not only wastes electric energy, can cause that rearview mirror circuit high temperature when seriousFire.
Summary of the invention
For solving the problems referred to above that occur in automobile electric heating defrost process, the invention provides a kind of Novel electric heatingDefrosting rearview mirror, this rearview mirror possesses invalid heating alarm indication function and high temperature protection function.
The technical solution adopted in the present invention is:
A kind of electric heated defrosting rearview mirror, comprises the heater circuit on rearview mirror and rearview mirror, described heater circuitBe provided with electric heating piece, in the middle of described electric heating piece, be provided with holding circuit, described holding circuit comprise bimetal release,Resistance and light emitting diode; Described bimetal release is connected in the middle of electric heating piece, resistance and light-emitting diodes pipe stringIn parallel with bimetal release after connection; Described bimetal release, light emitting diode are all attached to the inner side of rearview mirror.
The specified break-off signal of described bimetal release is 50 ± 5 DEG C, and reset temperature is 30 ± 10 DEG C, two goldBelong to the inner side central authorities that sheet is close to eyeglass, so that the temperature of accurate perception eyeglass.
Described light emitting diode is arranged on the top of rear view mirror lens inner side as invalid heating alarm lamp, andPeripheral region does not spray reflectorized material, facilitates driver to observe.
Described resistance plays metering function, prevents that light emitting diode overcurrent from burning out, and limits bimetal release disconnectionTime heating wire operating current.
When normal work, bimetal release closure, electric heating piece produces heat heating eyeglass, and light emitting diode puts outGo out. In the time that eyeglass temperature reaches the specified break-off signal of bimetal leaf, bimetal leaf disconnects, light emitting diode pointBright, inform that driver closes electric heated defrosting switch in time.
Advantage of the present invention is: the temperature of electric heated defrosting is controlled in zone of reasonableness, and has alarm lampRemind driver to close in time electric heated defrosting switch, convenient and reliable effectively simple, with low cost being easy to realized.
Brief description of the drawings
Fig. 1 is circuit diagram of the present invention.
Fig. 2 is structural representation of the present invention. Wherein, 1, holding circuit; 2, electric heating piece; 3, eyeglass.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described. As Figure 1-Figure 2, a kind of novelElectric heated defrosting rearview mirror, a holding circuit 1 of series connection in the middle of electric heating piece 2, holding circuit 1 is by bimetal leafK switch 1, resistance R 1, light emitting diode L1 composition. The specified break-off signal of described bimetal release K1 is 50± 5 DEG C, reset temperature is 30 ± 10 DEG C, and bimetal leaf is close to the middle position, inner side of eyeglass 3, so that accuratelyThe temperature of perception eyeglass 3. Described light emitting diode L1 is arranged on rear-view mirror as invalid heating alarm lampThe inner side at sheet 3 tops, and peripheral region do not spray reflectorized material, facilitates driver to observe. 1 of described resistance RMetering function, prevent that light emitting diode L1 overcurrent from burning out, and heating wire when limiting bimetal release K1 and disconnectingOperating current.
Embodiment: when use, the present invention is reliably connected with vehicle control circuit, when vehicle is at rain, snow, mistWhile travelling Deng weather, driver's closed electrical heating defrost switch K2. Power supply E1 makes electric heating piece 2 produce heat heatingEyeglass 3, bimetal release K1 closure, light emitting diode L1 is in extinguishing state, condenses in eyeglass 3 surfacesFrost mist absorbs heat, evaporation rapidly, and it is clear that minute surface becomes. When do not have frost mist absorb electric heating piece 2 produce temperature time,Eyeglass 3 temperature reach the specified break-off signal of bimetal release K1 gradually, and bimetal release K1 disconnects, and send outOptical diode L1 lights, and informs that driver closes electric heated defrosting K switch 2 in time.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned, not the present invention is protectedProtect the restriction of scope, one of ordinary skill in the art should be understood that on the basis of technical scheme of the present invention, basisThose skilled in the art do not need to pay various amendments that creative work can make and distortion still of the present inventionIn protection domain.
Claims (3)
1. an electric heated defrosting rearview mirror, is characterized in that, comprises the thermoelectricity that adds on rearview mirror and rearview mirrorRoad, described heater circuit is provided with electric heating piece, is provided with holding circuit, described protection electricity in the middle of described electric heating pieceRoad comprises bimetal release, resistance and light emitting diode; Described bimetal release is connected in electric heating pieceBetween, in parallel with bimetal release after resistance and light emitting diode series connection; Described bimetal release, luminousDiode is all attached to the inner side of rearview mirror;
Described resistance plays metering function, prevents that light emitting diode overcurrent from burning out, and it is disconnected to limit bimetal releaseThe operating current of heating wire while opening;
When normal work, bimetal release closure, electric heating piece produces heat heating eyeglass, light emitting diodeExtinguish; In the time that eyeglass temperature reaches the specified break-off signal of bimetal leaf, bimetal leaf disconnects, light-emitting diodesPipe is lighted, and informs that driver closes electric heated defrosting switch in time.
2. electric heated defrosting rearview mirror as claimed in claim 1, is characterized in that, described bimetal releaseSpecified break-off signal be 50 ± 5 DEG C, reset temperature is 30 ± 10 DEG C, bimetal leaf is close in the inner side of eyeglassCentre.
3. electric heated defrosting rearview mirror as claimed in claim 1, is characterized in that, described light emitting diode peaceBe contained in the top of rear view mirror lens inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057974.3A CN103818353B (en) | 2014-02-20 | 2014-02-20 | A kind of electric heated defrosting rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057974.3A CN103818353B (en) | 2014-02-20 | 2014-02-20 | A kind of electric heated defrosting rearview mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103818353A CN103818353A (en) | 2014-05-28 |
| CN103818353B true CN103818353B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410057974.3A Active CN103818353B (en) | 2014-02-20 | 2014-02-20 | A kind of electric heated defrosting rearview mirror |
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| CN (1) | CN103818353B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336756A (en) * | 2018-12-18 | 2020-06-26 | 苏州三星电子有限公司 | Anti-condensation device and anti-condensation method |
| CN114323568B (en) * | 2022-03-14 | 2022-07-08 | 武汉普赛斯电子技术有限公司 | Three-temperature testing system of optical device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0408853A2 (en) * | 1989-07-21 | 1991-01-23 | Hohe Kg | Electrical heating device for the reflective surface of a vehicle rearview mirror |
| CN1280931A (en) * | 1999-05-18 | 2001-01-24 | 梅卡朗两合公司 | Heatable rear-view mirror |
| CN203402150U (en) * | 2013-06-18 | 2014-01-22 | 杭州华州科技有限公司 | Automobile rearview mirror heating and indicating lamp structure |
| CN203832445U (en) * | 2014-02-20 | 2014-09-17 | 中通客车控股股份有限公司 | Electric heating defrosting rearview mirror |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3069262B2 (en) * | 1995-02-13 | 2000-07-24 | 株式会社村上開明堂 | Rearview mirror for vehicle |
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2014
- 2014-02-20 CN CN201410057974.3A patent/CN103818353B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0408853A2 (en) * | 1989-07-21 | 1991-01-23 | Hohe Kg | Electrical heating device for the reflective surface of a vehicle rearview mirror |
| CN1280931A (en) * | 1999-05-18 | 2001-01-24 | 梅卡朗两合公司 | Heatable rear-view mirror |
| CN203402150U (en) * | 2013-06-18 | 2014-01-22 | 杭州华州科技有限公司 | Automobile rearview mirror heating and indicating lamp structure |
| CN203832445U (en) * | 2014-02-20 | 2014-09-17 | 中通客车控股股份有限公司 | Electric heating defrosting rearview mirror |
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| CN103818353A (en) | 2014-05-28 |
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Address after: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee after: Zhongtong bus Limited by Share Ltd. Address before: 252000 No. 10, Dongchangfu, Liaocheng District, Shandong, Jianshe Road Patentee before: ZHONGTONG BUS HOLDING Co.,Ltd. |
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