CN105357784A - Automobile sandwich glass capable of realizing uniform electric heating for windshield wiper resting position - Google Patents
Automobile sandwich glass capable of realizing uniform electric heating for windshield wiper resting position Download PDFInfo
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- CN105357784A CN105357784A CN201510592500.3A CN201510592500A CN105357784A CN 105357784 A CN105357784 A CN 105357784A CN 201510592500 A CN201510592500 A CN 201510592500A CN 105357784 A CN105357784 A CN 105357784A
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Abstract
An automobile sandwich glass capable of realizing uniform electric heating for a windshield wiper resting position is disclosed. The automobile sandwich glass comprises two glass substrates (4) and a middle electric heating coating layer sandwiched between the two glass substrates (4); three busbars are distributed in the middle electric heating coating layer; a third busbar (3) is arranged between a first busbar (1) and a second busbar (2); the electric heating coating layer is divided into two regions by the third busbar (3); the region between the first busbar (1) and the third busbar (3) is a visual area heating region; and a windshield wiper resting position heating region (5) is between the second busbar (2) and the third busbar (3). The automobile sandwich glass has the advantages that 1, effective heating for the main visual region of the foreside windscreen of the automobile is ensured, and the effective heating for the windshield wiper resting position is ensured as well; 2, the two heating regions are powered by the same voltage; 3, overheating in the heating process for the windshield wiper resting position is prevented; and 4, uniform heating for the windshield wiper resting position is realized.
Description
Technical field
The present invention relates to vehicle glass electric-heating technology field, be specifically related to the even electrically heated automobile sandwich-glass of rain brush resting position.
Background technology
At present, under arctic weather, on vehicle glass, often easily frosting is frozen, affect the sight line of people in automobile, particularly windshield glass of automobile must provide the good visual field to driver, the safety and comfort that guarantee is driven, so just necessarily requires automobile wind shield glass to have the function of defrosting ice-melt.The function of this defrosting ice-melt can by carrying out electric heating realization to automobile sandwich-glass, at present more often by the electric-heating technology used, be electric current is heated by the heating element be laminated in automobile sandwich-glass and improves the temperature of automobile sandwich-glass, thus reach the function of defrosting ice-melt.Conventional heating element has two kinds, and the first is metallic conduction silk, particularly ultra-fine metal tungsten wire, and the second is electro-thermal coatings.The former problem is that driver in car and passenger can know and sees these filaments, and the existence of these filaments can affect aesthetics and can cause interference to the visibility of laminated glass.By contrast, electro-thermal coatings is used more to favor by client as heating element.
Current many companies are all in the research carrying out heatable electro-thermal coatings laminated glass, such as US Patent No. 6472636 (B1) discloses a kind of Silver-based low emissivity film that adopts as the method for heating element, be directed in this layer in order to hot-fluid will be added, the electric current current collecting tracks (these electric current current collecting tracks are often also referred to as bus) of usual some beam shapes of use, the current collecting tracks of these beam shapes is generally printing silver slurry or metal foil film strips etc. and has low-resistance material.Have as in the tectal rectangular shape of transparent surface of heating element or the electric heating glass pane of rectangular shape, by such setting, this adds hot-fluid and roughly circulates uniformly across whole zone of heating, and therefore this zone of heating is all heated in mode uniform on this whole surface.
As everyone knows, general automobile front windshield is up-narrow and down-wide trapezoidal design substantially, plate zone of heating shape also for trapezoidal, in such shape zone of heating, the density of the electric current of zones of different has different values according to the setting of motor and the part width in heating field, therefore the position, top of this glass pane can be subject to stronger heating than the position, base of this glass pane, if wish to make glass pane position at the longer limit place of this glass pane by stronger heating, to prevent the rain brush arranged at this position in winter from freezing, some then should be taked to design especially.
One section of German patent DE 69226995 (T2) describes a kind of heated glazing of laminated glass form of automobile, the creation aspect of this invention is to have the transparent surface coating as thermal resistance and two electric current current collecting tracks be connected with this cover layer, heating field is defined between this current collecting tracks, wherein also be provided with three current collecting tracks parallel with the first and second current collecting tracks, heating field perpendicular to the sense of current in heating field, and is divided into two heating fields separated by the 3rd current collecting tracks.One in two heating fields main viewing area being arranged in this laminated glass, another heating field is used as the heating element of the resting position of rain brush.Effective heating of rain brush resting position can be realized by this design, but this design has the following disadvantages, residing for rain brush resting position, the height in heating field is less, resistance between its current collecting tracks is also less relative to the resistance in the heating field in viewing area, thus in the region of this glass pane, reach larger special power.If two heating lines are by common voltage supply, then crossing in the resting position of this rain brush can be caused to heat.If avoid this problem, need point open voltage supply of two heating fields, but which increase difficulty or the complexity of Car design, be difficult to accept by client.
One section of Chinese patent CN02824670.5 describes another heated glass window, this invention builds an auxiliary heating district in addition except primary vision area, it is characterized in that, article at least two, in the current collecting tracks of other current collecting tracks perpendicular to heating, and it at least one is connected with the current collecting tracks of primary vision area, simultaneously at least one other current collecting tracks is not connected with current collecting tracks, and it arranges cut-off rule, utilizes this design to reach the object preferentially heating rain brush resting position region.But the method joint quantity is many, be not suitable for the glass having radian.For the rectangle that windshield glass of automobile is not rule usually, heating region with arc is similar to and regards as " trapezoidal " or " fan-shaped ", can know that microcephaly position bus is short, its electric current travel path is short, and major part position bus is long, and its electric current travel path is long, its path length, resistance is large, and when voltage is certain, heating effect is poor.Therefore the effect that heating is uneven can be produced; This phenomenon is particularly evident in the rain brush resting position thermal treatment zone, and it often occurs a part defrost in defrost process, and another part does not still have defrost, and for client uses, it is not received.
Summary of the invention
Object of the present invention is exactly for above-mentioned deficiency, and provides a kind of rain brush resting position even electrically heated automobile sandwich-glass.
The even electrically heated automobile sandwich-glass of rain brush resting position, the intermediate polymer comprising two panels glass substrate and be clipped between two panels glass substrate, also comprise electro-thermal coatings and bus, described electro-thermal coatings is arranged at least one glass baseplate surface of contacting with intermediate polymer, described electro-thermal coatings is laid with three buses, triple bus-bar is arranged between the first bus and the second bus, electro-thermal coatings is divided into two regions by triple bus-bar, between first bus and triple bus-bar, region is the thermal treatment zone, viewing area, it is the rain brush resting position thermal treatment zone between second bus and triple bus-bar.
The rain brush resting position thermal treatment zone is provided with one group of longitudinal non-conductive separator bar 6, rain brush resting position heating electro-thermal coatings is divided into a component electric heating district by one group of longitudinal non-conductive separator bar, the two ends of one group of longitudinal non-conductive separator article contact with the second bus with triple bus-bar respectively, each point of electric heating district is provided with one group of horizontal non-conductive separator bar, and one end of one group of horizontal non-conductive separator bar is connected with longitudinal non-conductive separator bar respectively.Or the two ends of one group of horizontal non-conductive separator bar 7 are not connected with longitudinal non-conductive separator bar.
The other end termination of one group of horizontal non-conductive separator bar be semicircle, one group of transverse direction non-conductive separator bar and bus arranged in parallel.
One component electric heating district is 2-50 Ge Fen electric heating district
One group of horizontal non-conductive separator bar is 3-50 horizontal non-conductive separator bar.
Described electro-thermal coatings is Silver-based low emissivity film or conductive oxide layer, and conductive coating resistance is 0.4-4 Ω/, is preferably 0.4-1.2 Ω/.
One group of longitudinal non-conductive separator article intersects vertically or oblique with triple bus-bar.
Spacing between adjacent horizontal non-conductive separator bar is 1-10mm, preferred 5-10mm, the spacing 25-50mm between triple bus-bar and adjacent horizontal non-conductive separator article.
Spacing 10-150mm between the other end of one group of horizontal non-conductive separator bar and longitudinal non-conductive separator bar.
The width of one group of longitudinal non-conductive separator bar and one group of horizontal non-conductive separator bar is 0.01-20mm, preferred 0.5-2mm.
Advantage of the present invention is:
1., while meeting the effective heating to automobile front windshield primary vision area, meet the effective heating to rain brush resting position;
2. realize two heating regions by common voltage fed;
3. it is overheated to prevent from occurring in rain brush resting position heating process;
4. realize the homogeneous heating of rain brush resting position.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Fig. 1 partial enlargement structural representation.
Fig. 3 is Fig. 2 partial enlargement structural representation.
Embodiment
The even electrically heated automobile interlayer of rain brush resting position provided by the invention is a kind of safety glass, also be referred to as " laminated glass ", it is bonded together by plastics viscous layer by two panels glass substrate 4 usually, for transparent glass substrate, wherein usually adopt the thickness of 1.4-2.1mm, and plastics viscous layer thickness is generally 0.4-1.0mm, it typically is at least one in the materials such as polyvinyl butyral resin (PVB), polyester (PE), PETG (PET).For windshield glass of automobile, laminated glass is formed by the glass substrate containing first surface and second with containing the 3rd the another side glass substrate closing fourth face by lamination after viscous plastic usually.Usual viscous plastic contacts with second of glass substrate and the 3rd face of another sheet glass substrate.
Heating component of the present invention is all arranged on second or the 3rd of glass, after created by the mode of interlayer, obtain the ability that better stability against atmospheric influence and resistance to mechanical are destroyed, extend its useful life.
In order to attractive in appearance, bus is blocked by opaque color layer, such as " ink ".Usual glass for vehicle window has been equipped with the edges cover bar (being usually referred to as " edge cover strip ") of frame form, and this edge cover strip is used for stopping that UV (ultraviolet) is to reach the adhesive structure protected and bond with vehicle body.And described bus is laid on the 3rd, contact with conductive layer, and ink is laid on the second surface, makes from car, can't see this bus.
Usually incomplete because of windshield ice defrost effect in life at present, user opens rain brush by mistake and causes Wiper motor to burn; For addressing this problem, realize by building the special rain brush resting position thermal treatment zone.But the glass that cannot be applicable in known technology with arc, therefore the invention provides a kind of method and solves.
Concrete procedure of processing is as follows:
(1) on glass substrate 4, electro-thermal coatings is deposited;
(2) arrange not containing the non-conductive separator bar of coating at the coating area that rain brush resting position is corresponding;
(3) on electro-thermal coatings, lay bus, wherein, the first and second buses are arranged in the top edge of glass and following edge, and triple bus-bar is arranged between the first and second buses, and with the first and second bus keeping parallelisms;
(4) match shaping by glass substrate 4, then intermediate polymer is clipped in lamination between two panels formed glass substrate 4 and obtains described product, wherein electro-thermal coatings is arranged on the glass substrate 4 that contacts with intermediate polymer on the surface.
What other details were not limited by following examples provides.
embodiment 1
The intermediate polymer that the present invention includes two panels glass substrate 4 and be clipped between two panels glass substrate 4, also comprise electro-thermal coatings and bus, described electro-thermal coatings is arranged at least one glass substrate 4 of contacting with intermediate polymer on the surface, described electro-thermal coatings is laid with three buses, triple bus-bar 3 is arranged between the first bus 1 and the second bus 2, electro-thermal coatings is divided into two regions by triple bus-bar 3, between first bus 1 and triple bus-bar 3, region is the thermal treatment zone, viewing area, is the rain brush resting position thermal treatment zone 5 between the second bus 2 and triple bus-bar 3.
The rain brush resting position thermal treatment zone 5 is provided with one group of longitudinal non-conductive separator bar 6, rain brush resting position heating electro-thermal coatings is divided into a component electric heating district by one group of longitudinal non-conductive separator bar 6, the two ends of one group of longitudinal non-conductive separator articles 6 contact with the second bus 2 with triple bus-bar 3 respectively, one end that each point of electric heating district is provided with one group of horizontal non-conductive separator bar 7 of horizontal non-conductive separator bar 7, a group is connected with longitudinal non-conductive separator bar 6 respectively.
The other end termination of one group of horizontal non-conductive separator bar 7 is semicircle, and one group of horizontal non-conductive separator bar 7 is arranged in parallel with bus.
One component electric heating district is 20 Ge Fen electric heating districts.
One group of horizontal non-conductive separator bar 7 is 20 horizontal non-conductive separator bars.
Described electro-thermal coatings is Silver-based low emissivity film or conductive oxide layer, and conductive coating resistance is 0.4-4 Ω/, preferred 0.4-1.2 Ω/.
One group of longitudinal non-conductive separator articles 6 and triple bus-bar 3 intersect vertically or oblique.
Spacing between adjacent horizontal non-conductive separator bar 7 is 8mm, the spacing 28mm between triple bus-bar 3 and adjacent horizontal non-conductive separator articles 7.
Spacing 12mm between the other end of one group of horizontal non-conductive separator bar 7 and longitudinal non-conductive separator bar 6.
Wherein non-conductive dividing strip 6 and non-conductive dividing strip 7 refer to the region not having conductive coating, this region can be covered with physics before laser membrane-removing, plated film or the method such as chemical etching is formed, and wherein the width of one group of longitudinal non-conductive separator bar 6 and one group of horizontal non-conductive separator bar 7 is 1.8mm.
Electro-thermal coatings can be Silver-based low emissivity film, also can be conductive oxide layer, as zinc oxide, tin oxide or indium oxide-Xi, electro-thermal coatings edge and glass edge form one and enclose without electric heating coating region, this on the one hand can prevent electro-thermal coatings from losing conductive characteristic without electric heating coating region, on the other hand can after product loading with car frame electric insulation.First and second buses connect vehicle power homopolarity respectively, and triple bus-bar connects another pole of vehicle power, concrete power-on voltage, electric current and joint location basis of design customer requirement and determine.
In the nonrestrictive embodiment of one, when power-on voltage is 14V, heating power density reaches 600W/m
2, maximum temperaturerise scope is 45 ~ 55 DEG C, and described magnitude of voltage is general vehicle-mounted voltage.Wherein, rain brush resting position homogeneous heating, does not produce undesirable focus.
embodiment 2
one grouphorizontal non-conductive separator bar 7 is arranged in parallel in a point hot-zone,
one grouphorizontal non-conductive separator bar 7 can isometric also can Length discrepancy,
one grouphorizontal non-conductive separator bar 7 one end is connected with longitudinal non-conductive separator bar 6.The non-conductive separator bar 7 in electric heating district is divided to be 20.The other the same as in Example 1.
embodiment 3
A part of non-conductive separator bar two ends of one group of horizontal non-conductive separator bar 7 are not connected with longitudinal non-conductive separator bar 6, and another part non-conductive separator bar one end is connected (see Fig. 3) with longitudinal non-conductive separator bar 6.The other the same as in Example 1.
embodiment 4
One group of horizontal non-conductive separator bar 7 is circular or oval (see Fig. 3).Arrange in matrix, be not connected between one group of horizontal non-conductive separator bar 7.The other the same as in Example 1.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (10)
1. the even electrically heated automobile sandwich-glass of rain brush resting position, the intermediate polymer comprising two panels glass substrate (4) and be clipped between two panels glass substrate (4), characterized by further comprising electro-thermal coatings and bus, described electro-thermal coatings is arranged at least one glass substrate (4) of contacting with intermediate polymer on the surface, described electro-thermal coatings is laid with three buses, triple bus-bar (3) is arranged between the first bus (1) and the second bus (2), electro-thermal coatings is divided into two regions by triple bus-bar (3), between first bus (1) and triple bus-bar (3), region is the thermal treatment zone, viewing area, be the rain brush resting position thermal treatment zone (5) between second bus (2) and triple bus-bar (3).
2. one according to claim 1 utilizes the electrically heated automobile sandwich-glass of electro-thermal coatings, it is characterized in that the rain brush resting position thermal treatment zone (5) is provided with one group of longitudinal non-conductive separator bar (6), rain brush resting position heating electro-thermal coatings is divided into a component electric heating district by one group of longitudinal non-conductive separator bar (6), the two ends of one group of longitudinal non-conductive separator article (6) contact with the second bus (2) with triple bus-bar (3) respectively, each point of electric heating district is provided with one group of horizontal non-conductive separator bar (7), one end of one group of horizontal non-conductive separator bar (7) is connected with longitudinal non-conductive separator bar (6) respectively, or the two ends of one group of horizontal non-conductive separator bar (7) are not connected with longitudinal non-conductive separator bar (6).
3. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1 and 2, it is characterized in that the other end termination of one group of horizontal non-conductive separator bar (7) is for semicircle, one group of horizontal non-conductive separator bar (7) is arranged in parallel with bus.
4. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, is characterized in that a component electric heating district is 2-50 Ge Fen electric heating district.
5. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, is characterized in that one group of horizontal non-conductive separator bar
(7) be 3-50 horizontal non-conductive separator bar.
6. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, it is characterized in that described electro-thermal coatings is Silver-based low emissivity film or conductive oxide layer, conductive coating resistance is 0.4-4 Ω/, and preferred resistance is 0.4-1.2 Ω/.
7. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, is characterized in that one group of longitudinal non-conductive separator article (6) intersects vertically or oblique with triple bus-bar (3).
8. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, it is characterized in that the spacing between adjacent horizontal non-conductive separator bar (7) is 1-10mm, the spacing 25-50mm between triple bus-bar (3) and adjacent horizontal non-conductive separator article (7).
9. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, is characterized in that the spacing 10-150mm between the other end of one group of horizontal non-conductive separator bar (7) and longitudinal non-conductive separator bar (6).
10. the even electrically heated automobile sandwich-glass of rain brush resting position according to claim 1, is characterized in that the width of one group of longitudinal non-conductive separator bar (6) and one group of horizontal non-conductive separator bar (7) is 0.01-20mm, or 0.5-2mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510592500.3A CN105357784B (en) | 2015-09-17 | 2015-09-17 | The uniform electrically heated automobile sandwich-glass of rain brush resting position |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510592500.3A CN105357784B (en) | 2015-09-17 | 2015-09-17 | The uniform electrically heated automobile sandwich-glass of rain brush resting position |
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| CN105357784A true CN105357784A (en) | 2016-02-24 |
| CN105357784B CN105357784B (en) | 2018-02-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248434A (en) * | 2019-06-24 | 2019-09-17 | 福耀玻璃工业集团股份有限公司 | A kind of glass pane with transparent conductive film |
| CN110271393A (en) * | 2019-06-24 | 2019-09-24 | 福耀玻璃工业集团股份有限公司 | A kind of laminated glass with transparent conductive film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5824994A (en) * | 1995-06-15 | 1998-10-20 | Asahi Glass Company Ltd. | Electrically heated transparency with multiple parallel and looped bus bar elements |
| JP2935224B2 (en) * | 1991-07-22 | 1999-08-16 | ピーピージー インダストリーズ， インコーポレーテツド | windshield |
| CN101653038A (en) * | 2007-02-23 | 2010-02-17 | 法国圣戈班玻璃厂 | Clear window glass with heating coating |
| CN102753403A (en) * | 2010-05-10 | 2012-10-24 | 法国圣戈班玻璃厂 | Transparent panel having heatable coating and production method therefor |
| CN102812777A (en) * | 2011-02-16 | 2012-12-05 | 法国圣戈班玻璃厂 | Transparent pane with an electrical heating layer and production process therefor |
| WO2013050233A1 (en) * | 2011-10-06 | 2013-04-11 | Agc Glass Europe | Heated windshield |
-
2015
- 2015-09-17 CN CN201510592500.3A patent/CN105357784B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2935224B2 (en) * | 1991-07-22 | 1999-08-16 | ピーピージー インダストリーズ， インコーポレーテツド | windshield |
| US5824994A (en) * | 1995-06-15 | 1998-10-20 | Asahi Glass Company Ltd. | Electrically heated transparency with multiple parallel and looped bus bar elements |
| CN101653038A (en) * | 2007-02-23 | 2010-02-17 | 法国圣戈班玻璃厂 | Clear window glass with heating coating |
| CN102753403A (en) * | 2010-05-10 | 2012-10-24 | 法国圣戈班玻璃厂 | Transparent panel having heatable coating and production method therefor |
| CN102812777A (en) * | 2011-02-16 | 2012-12-05 | 法国圣戈班玻璃厂 | Transparent pane with an electrical heating layer and production process therefor |
| WO2013050233A1 (en) * | 2011-10-06 | 2013-04-11 | Agc Glass Europe | Heated windshield |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248434A (en) * | 2019-06-24 | 2019-09-17 | 福耀玻璃工业集团股份有限公司 | A kind of glass pane with transparent conductive film |
| CN110271393A (en) * | 2019-06-24 | 2019-09-24 | 福耀玻璃工业集团股份有限公司 | A kind of laminated glass with transparent conductive film |
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