CN208013079U - Vehicle glass and the detection device that hazes - Google Patents
Vehicle glass and the detection device that hazes Download PDFInfo
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- CN208013079U CN208013079U CN201721709209.0U CN201721709209U CN208013079U CN 208013079 U CN208013079 U CN 208013079U CN 201721709209 U CN201721709209 U CN 201721709209U CN 208013079 U CN208013079 U CN 208013079U
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Abstract
The utility model is related to vehicle windscreen technical field, especially vehicle glass and the detection devices that hazes.The device includes light source emitter,Light source receiving device and glass,Wherein glass includes glass body,The outer surface of glass body is provided with the first spherical surface,First spherical surface is used to connect the centre of sphere that light source emitter makes incident light pass through first spherical surface and is incident to the inner surface of the glass body,Glass body outer surface is additionally provided with reflection optical receiving region,The region is used to connect light source receiving device the reflected light being totally reflected with the inner surface received through glass body,According to ATR Optical principle,The variation of interior surfaces of glass is detected,The detection of hazing of glass can be applied to,Since detection light is vertical incidence,The problem of measurement accuracy declines caused by avoiding thickness of glass difference and leading to refraction angle difference,And glass is integrally formed design,Measurement accuracy caused by solving the problems, such as windshield material difference declines.
Description
Technical field
The utility model is related to vehicle windscreen technical field, especially vehicle glass and the detection devices that hazes.
Background technology
Sensor used in the automatic start-stop control of frost removal is mainly dew point transducer in industry at present, by measuring ring
Border temperature, ambient humidity, glass surface temperature are calculated by formula and obtain glass surface dew-point temperature under current environment, then led to
The difference for crossing comparison and glass surface temperature, judges whether glass hazes, and then controls the work of frost removal executing agency, removes gear
Wind glass surface fog.But it is flowed by air, glass surface temperature is unevenly distributed, installation site etc. is affected, although
It may be implemented automatically controlling for defrosting-defogging, but redundancy demisting overlong time, control accuracy is poor, parameter mark between different automobile types
Definite value is inconsistent.
Utility model content
The purpose of this utility model is to provide vehicle glass and the detection device that hazes, to solve due to windshield material
The problem of measurement accuracy caused by different with thickness declines.
To achieve the above object, the utility model provides a kind of vehicle glass, includes the technical solution of following glass：
Glass proposals one：A kind of vehicle glass, including glass body, raised first ball of setting in the outer surface of glass body
Face, first spherical surface are incident to the glass for connecting the centre of sphere that light source emitter makes incident light pass through first spherical surface
The inner surface of ontology, the glass body outer surface are additionally provided with reflection optical receiving region, and the reflection optical receiving region is used for
Light source receiving device is connected to receive the reflected light being totally reflected by the inner surface of the glass body.
Advantageous effect is that this glass proposals one propose the glass of the first spherical surface of band setting, and the first spherical surface is for connecting light source
The centre of sphere that emitter makes incident light pass through first spherical surface is incident to the inner surface of the glass body, glass body outer surface
It is additionally provided with reflection optical receiving region, which is used to connect light source receiving device to receive the inner surface hair by glass body
The reflected light of raw total reflection is detected the variation of interior surfaces of glass according to the optical principle of total reflection, can be applied to
The detection of hazing of glass, since detection light is vertical incidence, avoiding thickness of glass difference causes refraction angle difference to cause
Measurement accuracy the problem of declining, and glass is integrally formed design, solves measurement caused by windshield material difference
The problem of accuracy decline.
Glass proposals two：On the basis of glass proposals one, the reflection optical receiving region is the first inclined-plane, the glass
The reflected light that the inner surface of ontology is totally reflected enters the light connected on first inclined-plane perpendicular through first inclined-plane
Source reception device.
Glass proposals three：On the basis of glass proposals one, the reflection optical receiving region is the second spherical surface, the glass
The reflected light that the inner surface of ontology is totally reflected is entered by the centre of sphere of second spherical surface to be connected on second spherical surface
Light source receiving device.
The utility model provides one kind and hazes detection device, includes the technical solution of following device：
Device scheme one：One kind hazes detection device, including light source emitter, light source receiving device and glass, described
Glass includes glass body, and raised first spherical surface of setting in the outer surface of glass body, the glass body outer surface is also set up
There is reflection optical receiving region；The light source emitter is set to the outer surface of first spherical surface, for passing through incident light
The centre of sphere of first spherical surface is incident on the inner surface of glass body, and the light source receiving device is set to the reflected light and connects
Region is received, for receiving the reflected light being totally reflected by the inner surface of the glass body.
Device scheme two：On the basis of device scheme one, the reflection optical receiving region is the first inclined-plane, the glass
The reflected light that the inner surface of ontology is totally reflected enters the institute connected on first inclined-plane perpendicular through first inclined-plane
State light source receiving device.
Device scheme three：On the basis of device scheme one, the reflection optical receiving region is the second spherical surface, the glass
The reflected light that the inner surface of ontology is totally reflected is entered by the centre of sphere of second spherical surface to be connected on second spherical surface
Light source receiving device.
Device scheme four：On the basis of device scheme one, device scheme two or device scheme three, the light source transmitting dress
The angle of the transmitting light set and glass body inner surface is Φ, and α≤Φ <α0, wherein α is that the total reflection of glass and air is critical
Angle, α0For the cirtical angle of total reflection of glass and water.
Device scheme five：On the basis of device scheme four, the light source emitter and the light source receiving device water
Flat interval setpoint distance, the setpoint distance are determined according to the thickness of the radius of first spherical surface, angle Φ and glass body.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of vehicle glass of embodiment 1；
Fig. 2 is a kind of schematic diagram of detection device that hazes of embodiment 1；
Fig. 3 is a kind of schematic diagram of the detection device under glass surface clean state that haze of embodiment 1；
Fig. 4 is a kind of schematic diagram of the detection device in the case where glass surface hazes state that haze of embodiment 1；
Fig. 5 is a kind of schematic diagram of detection device that hazes of embodiment 2.
Specific implementation mode
The utility model is described in more detail below in conjunction with the accompanying drawings.
Embodiment 1
The present embodiment 1 provides a kind of vehicle glass, as shown in Figure 1, including glass body 1, in the outer surface of glass body 1
5 at least one spherical surfaces of setting protrusion, including the first spherical surface 2, the outer surface 5 of glass body 1 are additionally provided with reflection optical receiving region
3, the one kind that the present embodiment 1 provides hazes detection device, including light source emitter 6, light source receiving device 7 and above-mentioned automobile-used glass
Glass, as shown in Fig. 2, including glass body 1 and the first spherical surface 2, transmitting ball of the light by the first spherical surface 2 of light source emitter 6
The heart 8 is incident to the inner surface 4 of glass body 1, and light source receiving device 7 is placed in reflection optical receiving region 3, wherein reflected light connects
Region 3 is received to be used to receive the light being totally reflected by glass body inner surface.
In order to avoid refraction influences measurement accuracy, it is set as the first inclined-plane 9 in preferred emission optical receiving region 3, such as Fig. 3
Shown, light source receiving device 7 is set to the outer surface on the second inclined-plane 9, complete by the inner surface generation of glass body 1 for receiving
The reflected light of reflection.
According to ATR Optical principle, the cirtical angle of total reflection is that glass medium is situated between with air under glass surface clean state
Texture at the first set angle α, in the case where glass surface hazes state, the cirtical angle of total reflection is that glass medium and aqueous medium are constituted
The second set angle α0, wherein since the refractive index of air is less than the refractive index of water, α <α0, it follows that incident light
Angle Φ (angle for being less than 90 °) with glass body vertical direction is in the first set angle α and the second set angle range α0It is interior,
That is α≤Φ <α0；The inclination angle on the second inclined-plane 9 is Φ.Above-mentioned incident light and glass body vertical direction angle Φ, are to being set to
The restriction of assembly direction, the position of light source emitter on first spherical surface etc.；It, can be with except light source emitter is directly assembled
By incident light and glass body vertical direction at angle Φ by way of collimator is arranged.
The radius R of first spherical surface can be set according to actual conditions, between light source emitter 6 and light source receiving device 7
Away from setpoint distance, wherein setpoint distance size is related to the first spherical radius R, angle Φ and the thickness of glass body.
The course of work of the present embodiment 1 is as follows：
As shown in figure 3, the light of light source emitter vertically injects glass, and angle Φ is formed with the another side of glass,
When Φ >=critical angle α, the light that light source emitter is sent out is totally reflected in interior surfaces of glass, and light is reflected by light
Source reception device receives；By way of receiving power of light etc. judgement, determines and be not actuated for demisting work at this time.
As shown in figure 4, when interior surfaces of glass hazes, there is droplet covering on glass, at this time light and interior surfaces of glass
Angle α0> Φ >=α, light occur refraction in interior surfaces of glass and cannot be totally reflected, therefore light source receiving device receives not
The light sent out to light source emitter；By way of receiving power of light etc. judgement, determination is actuated for demisting at this time
Glass surface droplet is removed in work, and after glass surface droplet is eliminated, light source receiving device can receive light again,
Demister is stopped at this time.
Windshield hazes generally to be spread from corner inwardly, therefore, by above-mentioned first spherical surface and reflection optical receiving region
It is set to the corner location of the outer surface of glass, and light source emitter and light source receiving device are set.
Embodiment 2
In order to reduce refraction, increases the precision of detection, be not limited to when reflecting light-receiving above-mentioned oblique perpendicular through first
The mode in face, on the basis of embodiment 1, the present embodiment 2 provides one kind and hazes detection device, as shown in figure 5, reflection light-receiving
Another spherical surface, referred to as the second spherical surface 10 are set as in region 3, the total reflection light occurred by the inner surface 4 of glass body 1 is logical
The centre of sphere 8 for crossing the second spherical surface, the light source receiving device 7 for being arranged at 10 surface of the second spherical surface receive.
The setting of reflection optical receiving region 3 is not limited to the set-up mode in embodiment 1 and embodiment 2, as long as reflection
Light can reach light source receiving device 7 by the outer surface of glass body, for example, it is also possible to be connect with reflected light by changing
The outer surface contact medium for receiving 3 place glass body of region, makes the light being totally reflected by inner surface will not be in the appearance
Face is totally reflected.
Be presented above the utility model is related to specific implementation mode, but the utility model is not limited to described reality
Apply mode.Under the thinking that the utility model provides, to above-mentioned by the way of being readily apparent that those skilled in the art
Technological means in embodiment is converted, is replaced, is changed, and play the role of and the utility model in relevant art hand
The purpose of utility model that section is essentially identical, realizes is also essentially identical, and the technical solution formed in this way is carried out to above-described embodiment
What fine tuning was formed, this technical solution is still fallen in the scope of protection of the utility model.
Claims (8)
1. a kind of vehicle glass, including glass body, which is characterized in that raised first ball of setting in the outer surface of glass body
Face, first spherical surface are incident to the glass for connecting the centre of sphere that light source emitter makes incident light pass through first spherical surface
The inner surface of ontology, the glass body outer surface are additionally provided with reflection optical receiving region, and the reflection optical receiving region is used for
Light source receiving device is connected to receive the reflected light being totally reflected by the inner surface of the glass body.
2. vehicle glass according to claim 1, which is characterized in that the reflection optical receiving region is the first inclined-plane, institute
It states the reflected light that the inner surface of glass body is totally reflected and enters on first inclined-plane perpendicular through first inclined-plane and connect
The light source receiving device connect.
3. vehicle glass according to claim 1, which is characterized in that the reflection optical receiving region is the second spherical surface, institute
The reflected light that the inner surface of glass body is totally reflected is stated by the centre of sphere of second spherical surface to enter and second spherical surface
The light source receiving device of upper connection.
The detection device 4. one kind hazes, including light source emitter, light source receiving device and glass, the glass include glass sheet
Body, which is characterized in that raised first spherical surface of setting in the outer surface of glass body, the glass body outer surface is additionally provided with instead
Penetrate optical receiving region；The light source emitter is set to the outer surface of first spherical surface, described for passing through incident light
The centre of sphere of first spherical surface is incident on the inner surface of glass body, and the light source receiving device is set to the reflection light receiving area
Domain, for receiving the reflected light being totally reflected by the inner surface of the glass body.
5. the detection device according to claim 4 that hazes, which is characterized in that the reflection optical receiving region is first oblique
Face, the reflected light that the inner surface of the glass body is totally reflected enter first inclined-plane perpendicular through first inclined-plane
The light source receiving device of upper connection.
6. the detection device according to claim 4 that hazes, which is characterized in that the reflection optical receiving region is the second ball
Face, the reflected light that the inner surface of the glass body is totally reflected are entered and described second by the centre of sphere of second spherical surface
The light source receiving device connected on spherical surface.
7. according to the detection device that hazes described in claim 4,5 or 6, which is characterized in that the transmitting of the light source emitter
The angle of light and glass body inner surface vertical direction is Φ, and α≤Φ <α0, wherein α is that the total reflection of glass and air is critical
Angle, α0For the cirtical angle of total reflection of glass and water.
8. the detection device according to claim 7 that hazes, which is characterized in that the light source emitter connects with the light source
Receiving apparatus horizontal interval setpoint distance, the setpoint distance is according to the radius of first spherical surface, angle Φ and glass body
Thickness determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721709209.0U CN208013079U (en) | 2017-12-11 | 2017-12-11 | Vehicle glass and the detection device that hazes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721709209.0U CN208013079U (en) | 2017-12-11 | 2017-12-11 | Vehicle glass and the detection device that hazes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013079U true CN208013079U (en) | 2018-10-26 |
Family
ID=63879945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721709209.0U Active CN208013079U (en) | 2017-12-11 | 2017-12-11 | Vehicle glass and the detection device that hazes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013079U (en) |
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2017
- 2017-12-11 CN CN201721709209.0U patent/CN208013079U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP03 | Change of name, title or address |