CN109383453A - New electrically heating demisting type shield glass - Google Patents
New electrically heating demisting type shield glass Download PDFInfo
- Publication number
- CN109383453A CN109383453A CN201710688181.5A CN201710688181A CN109383453A CN 109383453 A CN109383453 A CN 109383453A CN 201710688181 A CN201710688181 A CN 201710688181A CN 109383453 A CN109383453 A CN 109383453A
- Authority
- CN
- China
- Prior art keywords
- demisting
- ito
- pane
- transparent
- shield glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims description 20
- 239000011521 glass Substances 0.000 title claims description 14
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- QFTLTYBDMFRHQI-UHFFFAOYSA-M [Br-].[Ag].[Ag+] Chemical compound [Br-].[Ag].[Ag+] QFTLTYBDMFRHQI-UHFFFAOYSA-M 0.000 claims 1
- 230000003064 anti-oxidating effect Effects 0.000 claims 1
- 230000031709 bromination Effects 0.000 claims 1
- 238000005893 bromination reaction Methods 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 210000003298 dental enamel Anatomy 0.000 claims 1
- 238000009713 electroplating Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004353 relayed correlation spectroscopy Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- VCBXDRSAMODZME-UHFFFAOYSA-N [Sn+2]=O.[In+3].[O-2].[In+3].[Sn+4].[O-2].[O-2].[O-2].[O-2].[O-2] Chemical compound [Sn+2]=O.[In+3].[O-2].[In+3].[Sn+4].[O-2].[O-2].[O-2].[O-2].[O-2] VCBXDRSAMODZME-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
- B60S1/026—Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Abstract
At low ambient temperatures, when vehicle internal-external temperature difference is larger (especially south wind day, winter), meeting fogging on the inside of front seriously affects driver safety driving because fog influences sight automobile.Existing rag wipes defogging method, and driving procedure wipes fog, influences driving safety.And wiping is soon after, fog can reproduce.In winter colder situation (especially northern winter), with air-conditioning cold wind demisting, vehicle interior temperature can be reduced, seriously affects driver and occupant comfort sense.In conjunction with the above problem, develop a kind of new automobile front demisting technology and scheme, by front windshield, transparent resistive material (ITO, graphene or other transparent resistive materials) as front windshield demisting pane and control circuit as an organic control entirety, Lai Shixian electrothermal demisting.
Description
Technical field
The present invention relates to shield glass electroheating type demisting technical fields, specifically, before being a kind of new automobile
Keep off demisting technology and scheme.By front windshield, transparent resistive material (ITO, graphene or other transparent resistive materials) conduct
Front windshield demisting pane and control circuit are whole as an organic control.In addition, working as in vehicle intellectualized development
Before, control section advice integration is into automobile BCM module or automobile air-conditioning control module.
Background technique
Currently, China's automobile guarantee-quantity is more than 200,000,000 amounts, and is passed year by year with nearly 30,000,000 platform amount every year
In increasing.At low ambient temperatures, when vehicle internal-external temperature difference is larger (especially south wind day, winter), on the inside of front
Meeting fogging seriously affects driver safety driving because fog influences sight.
Existing demisting method:
A, wipe water mist on the inside of front windshield with rag etc article: driving procedure wipes fog, influences driving safety.And it wipes
Soon after, fog can reproduce；
B, it turns on the aircondition: by demisting pane on instrument board, destroying fogging condition with cold wind: but need while opening warm-air drier and sky
It adjusts, air outlet is adjusted to front demisting, cumbersome and increase oil consumption.Meanwhile it is (especially northern in winter colder situation
The winter of side), with cold wind demisting, vehicle interior temperature can be reduced, seriously affects driver and occupant comfort sense.
In conclusion existing tradition front demisting method all has an impact to driving safety, operation convenience, oil consumption etc., because
This, needs to develop substitution solution.The present invention can effectively solve the above problems, and study and realize with the novel of novelty
Function and Technical Design, use safely and conveniently electric demisting technology, to realize demisting effect on the inside of good front windshield
Fruit.
Summary of the invention
It is an object of the invention to overcome the shortcomings of existing shield glass demisting scheme, a kind of new electric heating is provided
Type front demisting solution, to meet the needs of market is to good front demisting technology.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
New automobile electroheating type front windshield demisting and auxiliary electric control part are developed, (or other are transparent by ITO, graphene
Resistance) material do demisting pane, control circuit and control strategy composition.
ITO(graphene or other transparent resistances) material demisting pane: use tin indium oxide, using magnetron sputtering method (or
Other processes) it is plating to windshield surface layer.
Control circuit: it is made of 4 parts:
A, power pack: mainly including safety plate, main relay, demisting relay；
B, execution part: demister；
C, it loop feature: is mainly made of harness and plug connector part；
D, control, indicating section: mainly including touch switch, switch relay, instruction diode and current-limiting resistance, 555 chips
And peripheral electron element (voltage-stabiliser tube, light emitting diode, touch switch etc.)；
Control strategy:
A, front Defog-Switch (point contact type) is set on instrument board central control panel；
B, using " switch " characteristic of 555 chips, the work of front demisting is timed, avoids working long hours and leading to route
It is impaired；
C, touch switch connects 555 chip of moment and can be obtained power supply and work, and periodically starts, by the switch relay of chip controls
Device is started to work, and after unclamping touch switch, 555 chips will work on, and demister will work always, until timing terminates；
D, periodically to after setting duration, 555 chips stop working, and demister stops working.
The positive effect of the present invention is: solving the safe operation of the traditional air conditioner cold wind demister pattern under winter low temperature condition
Problem and give driver and occupant's bring discomfort.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram (scheme 1) of new electrically heating demisting type shield glass of the present invention；
Fig. 2 is the structural schematic diagram (scheme 2) of new electrically heating demisting type shield glass of the present invention；
Fig. 3 is the system strategy block diagram of new electrically heating demisting type shield glass of the present invention；
Fig. 4 is the control principle drawing of new electrically heating demisting type shield glass of the present invention (it is recommended that control section basis is into whole
In vehicle associated control modules)；
Fig. 5 is new electrically heating demisting type shield glass transparent resistive material heating wire structure schematic diagram of the present invention.
Conductive, transparent resistive material relevant calculation:
One, material selection and corresponding characteristic:
1, transparent resistive material ITO(tin indium oxide Indium-Tin Oxide), other electrically conducting transparent resistance materials also can be selected
Expect (TCO transparent conductive film etc., such as graphene)；
2, ITO material is a kind of n-type semiconductor, has high conductivity, high visible light transmissivity, high mechanical hardness and chemistry
Stability.
Two, design calculates (by taking ITO as an example): in order to obtain the ITO electric heating that good crystallinity, resistivity are low and light transmittance is high
Silk is 5 × 10-5 Ω cm referring concurrently to ideal I TO heating wire resistivity, and light transmittance is up to 80% or more, heating wire thickness control
70nm or more.
Scheme one, ITO electric heating wire type: according to front calculate single heating wire resistance R=10 Ω, this place take H=1 × 105nm=
1×10-4m=0.1mm
R=ρ L/WH, i.e. 10=5 × 10-5 × 10-2L/(W × 1 × 10-4), L=2000W can be obtained
When the effective heating wire length of L=1200mm(), then W=0.6mm
Scheme two, ITO whole face formula: calculating the Ω of overall electrical resistance R=1 according to front,
If L=1200mm, W=800mm, then
R=ρ L/WH, i.e. 1=5 × 10-5 × 10-2 × 1.2/(0.8 × H), H=750nm can be obtained
Remarks: relevant parameter calculated result is related to front windshield relative dimensions, in addition, as electrically conducting transparent resistance material is special
Property promoted, rise heating function heating wire thickness requirements will be thinner.
(control system is generally built as auxiliary, non-this patent design agents for control system parameter and relevant design calculating
View related Control System is integrated in full-vehicle control module BCM or airconditioning control module):
One, accessory is selected:
1,555 chips are selected in main control section；
2,5#Pin seals in the capacitor C1 of 0.01 μ F, takes the anti-tampering effect of filtering.Take μ F of mutual capacitance C=220, operating resistance R=
3MΩ；
3, according to 555 chip concepts, capacitor C charge to 2/3V need the used time it is following (by adjusting R value or capacitor C value size,
Changeable timing length): note, following timing length design is only to refer to, and practical timing can be adjusted on demand often, be set.
T=1.1RC=1.1* (3*106) * (220*10-6)=726 seconds=12.1 minutes
4,555 chip secure operating voltage range 4.5V ~ 16V, to avoid abnormal backward voltage from damaging chip, in chip output
Equipped with voltage-stabiliser tube, 1N4745 16V voltage-stabiliser tube is selected；
5, LED operation current-limiting resistance R1 is calculated: battery designs voltage U=12V, instruction diode choosing at this switch
With white light-emitting diode (operating voltage 3.2V, pressure drop UF=3.2 ~ 3.4V), operating current selects 10 ~ 20mA, then current-limiting resistance meter
It calculates as follows:
R1=(U-UF)/IF=(12-3.2)/0.02=440 Ω, this place selects 450 Ω；
6,3 control relays select (note that same specification part that other suppliers production also can be selected in safety plate and relay):
A, main relay: PLID M4/M5 AUTOMOTIVE RELAY (12V, 40/50A)；
B, demisting relay: PLID MC2 automobile relay (12V, 30A)；
C, switch relay: PLID PA AUTOMOTIVE RELAY (12V, 20A) is welded on using the elements such as mount technology and 555 chips
On pcb board；
7, rear demisting pane resistance: being typically designed referring to rear demisting pane, and total cold-state resistance value takes 1 Ω (0.98 ~ 1.1 Ω)；
8, single heater resistance R is calculated as follows:
R is total=Rn/nR(n-1)=R/n, and obtain: R=nR is total
Citing: setting and take 10 heated filaments, and total cold-state resistance R is total=1 Ω, then: the Ω of R=10*1=10, range (9.8 ~ 11 Ω)；
9, heating circuit conducting wire selects:
Long-time high current hot operation, this place are chosen AVSS 2.0mm2 conducting wire, terminal/shield by I=U/R=12/1=12A, circuit
Domestic macro strong, Yuyao, day sea part can be selected in set (producers' products such as safe section, Delphi can be selected in state's outer member).
Claims (7)
1. a kind of new electrically heating demisting type shield glass, it is characterised in that including ITO(graphene or other transparent electricity
Resistance) material demisting pane, assist control be grouped as.
2. new electrically heating demisting type shield glass according to claim 1, it is characterized in that: the new electrically heating
Demisting type shield glass specifically includes:
Common front windshield, demisting pane, for clearing up fog on the inside of front windshield in time according to actual needs.
3. wherein demisting pane is by ITO(graphene or other transparent resistances) material passes through magnetron sputtering method (or other production works
Skill) it is plating to windshield endosexine transparent area, specific structure can be divided into ITO electric heating wire type demisting pane, ITO whole face formula demisting window
Lattice, operating resistance are 1 Ω.
4. assist control point, for being precisely controlled to demisting.
5. by main relay insurance, main relay, demisting insurance, demisting relay, demisting pane, touch switch (including switch
Relay, indication light diode and current-limiting resistance R1), timing controlled element (including timing resistor R, timing capacitor C, 555 cores
Piece, voltage-stabiliser tube DZ, remove interference capacitors C1), conducting wire composition；
Other appendicles, subsidiary terminal on this place windshield, reliably connect for being formed with the conducting wire of assist control point
It connects, transmits demisting electric current in time.
6. certainly, it is proposed that control section is incorporated into completely in full-vehicle control module BCM or air-conditioner controller.
7. new electrically heating demisting type shield glass according to claim 1, it is characterised in that exothermic material is by ITO
Material (graphene or other transparent resistive materials) composition, the material are colorless and transparent resistance, with important electricity conduction and
Optical transparence while front demisting, does not influence pilot's line of vision；Transition portion is connected between heating wire and connecting terminal to use
Silver paste (bromination ag material)；Using ceramic ground coat enamel, paste performance is compatible with glass material in black surround region；Terminal uses T2Y2(work
No. two anaerobic fine copper of industry), it is anti-oxidation, electroplating surfaces with tin, terminal type selecting in existing product；Terminal need band chamfering, it is smooth, without cutting edge of a knife or a sword
Sharp edge etc.；Terminal is welded in silver bromide silver paste, has certain weld strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710688181.5A CN109383453A (en) | 2017-08-12 | 2017-08-12 | New electrically heating demisting type shield glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710688181.5A CN109383453A (en) | 2017-08-12 | 2017-08-12 | New electrically heating demisting type shield glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109383453A true CN109383453A (en) | 2019-02-26 |
Family
ID=65414856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710688181.5A Pending CN109383453A (en) | 2017-08-12 | 2017-08-12 | New electrically heating demisting type shield glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109383453A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091832A (en) * | 2019-03-20 | 2019-08-06 | 广东工业大学 | A kind of antifog glass and its manufacturing method |
| CN110103891A (en) * | 2019-05-29 | 2019-08-09 | 河北科力汽车零部件有限公司 | A kind of windshield having from defrosting function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008104728A2 (en) * | 2007-02-23 | 2008-09-04 | Saint-Gobain Glass France | Transparent glass with heating coating |
| CN203472805U (en) * | 2013-07-24 | 2014-03-12 | 黑龙江科技大学 | Electronic defrosting device |
| CN103832245A (en) * | 2012-11-21 | 2014-06-04 | 周堂海 | Automobile anti-fog window glass |
| CN203651715U (en) * | 2013-12-18 | 2014-06-18 | 江苏省常州建设高等职业技术学校 | Vehicular automatic heating and deicing sun shield device |
| CN205546005U (en) * | 2015-11-24 | 2016-08-31 | 范贵云 | Car rear windshield defogging defroster and car |
| CN106700960A (en) * | 2017-01-06 | 2017-05-24 | 辽宁科技学院 | High-efficiency frost mist removing coating film for windshield as well as preparation method and device for high-efficiency frost mist removing coating film |
-
2017
- 2017-08-12 CN CN201710688181.5A patent/CN109383453A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008104728A2 (en) * | 2007-02-23 | 2008-09-04 | Saint-Gobain Glass France | Transparent glass with heating coating |
| CN103832245A (en) * | 2012-11-21 | 2014-06-04 | 周堂海 | Automobile anti-fog window glass |
| CN203472805U (en) * | 2013-07-24 | 2014-03-12 | 黑龙江科技大学 | Electronic defrosting device |
| CN203651715U (en) * | 2013-12-18 | 2014-06-18 | 江苏省常州建设高等职业技术学校 | Vehicular automatic heating and deicing sun shield device |
| CN205546005U (en) * | 2015-11-24 | 2016-08-31 | 范贵云 | Car rear windshield defogging defroster and car |
| CN106700960A (en) * | 2017-01-06 | 2017-05-24 | 辽宁科技学院 | High-efficiency frost mist removing coating film for windshield as well as preparation method and device for high-efficiency frost mist removing coating film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091832A (en) * | 2019-03-20 | 2019-08-06 | 广东工业大学 | A kind of antifog glass and its manufacturing method |
| CN110103891A (en) * | 2019-05-29 | 2019-08-09 | 河北科力汽车零部件有限公司 | A kind of windshield having from defrosting function |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190226 |
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| WD01 | Invention patent application deemed withdrawn after publication |