CN102621600A - Vehicle-mounted rain sensor and optical lens group system - Google Patents
Vehicle-mounted rain sensor and optical lens group system Download PDFInfo
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- CN102621600A CN102621600A CN2012100935503A CN201210093550A CN102621600A CN 102621600 A CN102621600 A CN 102621600A CN 2012100935503 A CN2012100935503 A CN 2012100935503A CN 201210093550 A CN201210093550 A CN 201210093550A CN 102621600 A CN102621600 A CN 102621600A
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Abstract
The invention discloses an optical lens group system of a vehicle-mounted rain sensor. The optical lens group system comprises a plurality of lens receiving and transmitting lenses pairs, and the geometric center distances of transmitting lenses and receiving lenses of the lens receiving and transmitting lenses pairs are not completely the same. The geometric center distances of the transmitting lenses and the receiving lenses of the lens receiving and transmitting lenses pairs in the optical lens group are not completely the same, and the lens receiving and transmitting pairs with different geometric center distances are corresponding to windshield glasses with different optimal thicknesses, wherein the receiving and transmitting pairs with long light path (large geometric center distance) have better performance in thick windshield glasses, and the receiving and transmitting pairs with short light path (small geometric center distance) have better performance in thin windshield glasses. Therefore, the vehicle-mounted rain sensor formed from the optical lens group system has better overall performance when being used on windshield glasses with different thicknesses, and the application range to the windshield glass thickness is enlarged.
Description
Technical field
The present invention relates to the car electrics control device, more particularly, relate to a kind of vehicle-mounted Sense Rain Sensor and optical lens group system thereof.
Background technology
Sense Rain Sensor can detect the intensity of rainfall, and automatic control is scraped water system and under suitable pattern, worked.Sense Rain Sensor is located at the windshield back, and it can come the water speed of scraping of automatic adjustment rain brush according to the size that drops on amount of rainfall on glass, has avoided regulating the speed of scraping water manually, has increased the comfort level when driving; Simultaneously, can make the driver concentrate one's energy to drive, remove accident potential.
When work; Send light signal by light emitting diode or other luminescent devices; Through diversing lens light is converged the angle incident windshield of back to set, light through outgoing after the total reflection, converges the back through receiver lens again and is received by photosensitive device in windshield.When glass surface was dry, light almost was that 100% ground reflects by photosensitive device and receives.When on the windshield rainwater being arranged; The light that reflects will reduce, and the rainwater on windshield is many more, and the light that reflects is just few more; Photosensitive device is judged the size of rainfall amount according to the Strength Changes that receives light; And the speed of regulating rain brush, the more little expression precipitation of light intensity is big more, then regulates rain brush and makes its speed fast more.Wherein, optical lens system is the important structure of Sense Rain Sensor, and its form of lens and layout structure have determined the travel path of light signal and the thickness of suitable windshield.
Optical lens system comprises in the existing Sense Rain Sensor: layout type such as side-by-side, square form, diamond type and alternating expression; Every kind of corresponding specific lens T-R of layout type is to (a pair of receiver lens and diversing lens) spacing; Be that the right geometric center spacing of its all lens T-R of every kind of layout type is identical, be a certain fixed value.
Can know that through foregoing description its all lens T-R of every kind of layout type of existing optical lens group system are single identical to spacing, only be applicable to that certain fixes (the best) thickness and with the windshield of thickness in the certain deviation range of said optimum thickness.Therefore, when the thickness of windshield exceeds the optimum thickness of existing a certain optical lens group system when big, adopt the sensor of optical lens group system will be no longer suitable.
Summary of the invention
For solving the problems of the technologies described above; The present invention provides a kind of vehicle-mounted Sense Rain Sensor and optical lens system thereof; Said optical lens system has increased the scope of application to windshield thickness, makes the vehicle-mounted Sense Rain Sensor that adopts said optical lens system be fit to the windshield of different-thickness.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of vehicle-mounted Sense Rain Sensor optical lens group system comprises:
The multiple lens T-R is right;
The right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
Preferably, in the said system, the lens T-R is 2,3 or 4 to the group number.
Preferably, in the said system, when the lens T-R to the group number when being 4,4 groups of lens T-R are to the layout structure that is rectangle.
Preferably, in the said system, when the lens T-R was 4 to the group number, 4 groups of lens T-R were to layout parallelogram structure.
Preferably, in the said system, said lens are aspheric mirror.
Preferably, in the said system, said aspheric mirror comprises: hyperbolic mirror, Fresnel Lenses.
Preferably, in the said system, said multiple lens T-R is to having a public receiver lens.
Preferably, in the said system, the right diversing lens of said multiple lens T-R is positioned on a circle or the oval border, and said public receiver lens is positioned at said circle or oval inner.
Preferably, in the said system, the optical axis of said lens and vehicle windscreen surface angle are 45 °.
The present invention also provides a kind of vehicle-mounted Sense Rain Sensor, it is characterized in that, comprising:
Package casing;
Signal generation apparatus;
Signal receiving device;
The optical lens group system;
Control circuit, said control circuit connects said signal generation apparatus and signal receiving device, and links to each other with wiper controller through communication bus, drives Wiper motor by wiper controller;
Wherein, said optical lens group system comprises: the multiple lens T-R is right, and the right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
Can find out that from technique scheme vehicle-mounted Sense Rain Sensor optical lens group system provided by the present invention comprises: the multiple lens T-R is right; The right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.The diversing lens that lens T-R in the optical lens group according to the invention is right is not identical entirely with the geometric center of receiver lens distance; And have the windshield of the lens T-R of different geometric center distances to corresponding different-thickness; Wherein, The lens T-R of long light path (the geometric center distance is bigger) is better to performance in thicker windshield, and the lens T-R of short light path (the geometric center distance is less) is better to performance in thin windshield.So the vehicle-mounted Sense Rain Sensor that adopts said optical lens group system to constitute goes for the windshield of different-thickness, has increased the scope of application to windshield thickness.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the side-by-side optical lens group system of vehicle-mounted Sense Rain Sensor in the prior art;
Fig. 2 is the square form optical lens group system of vehicle-mounted Sense Rain Sensor in the prior art;
Fig. 3 is the diamond type optical lens group system of vehicle-mounted Sense Rain Sensor in the prior art;
Fig. 4 is the alternating expression optical lens group system of vehicle-mounted Sense Rain Sensor in the prior art;
Index path when Fig. 5 does not have ponding for the windshield outside surface;
Index path when Fig. 6 has ponding for the windshield outside surface;
The structural representation of a kind of rectangle layout mode optical lens group system that Fig. 7 provides for the embodiment of the invention;
The structural representation of a kind of parallelogram layout type optical lens group system that Fig. 8 provides for the embodiment of the invention;
The structural representation of a kind of circular layout mode optical lens group system that Fig. 9 provides for the embodiment of the invention.
Embodiment
Said as the background technology part, the lens T-R is single identical to spacing in the existing optical lens group system, only is applicable to that certain fixes (the best) thickness and with the windshield of thickness in the certain deviation range of said optimum thickness.And the vehicle-mounted Sense Rain Sensor that is made up of said optical lens group system is applicable to certain thickness windshield.When the thickness of windshield exceeds the optimum thickness of existing a certain optical lens group system when big, adopt the sensor of optical lens group system will be no longer suitable.
With reference to figure 1-Fig. 4; Optical lens system comprises in the existing Sense Rain Sensor: layout type such as side-by-side, square form, diamond type and alternating expression; Dashed rectangle is depicted as one group of lens T-R to structure among the figure; The corresponding a kind of specific lens T-R of each optical lens group system is to spacing, and promptly the right geometric center spacing of every kind of its lens T-R of optical lens group system is identical, is a certain fixed value.
With reference to figure 5, it is right only to show one group of lens T-R among the figure.Vehicle-mounted Sense Rain Sensor contacts with the inside surface of automobile wind shield glass 2 is fine and close through transparent flexible optical waveguide layer 1; The lens T-R is to constituting the top cover of vehicle-mounted Sense Rain Sensor package casing 3; And contact with flexible light-conducting layer 1 is fine and close; Wherein, make it with certain angle [alpha] incident windshield 2 after the light signal that diversing lens 4 is launched signal generation apparatus 5 converges, said light signal is received by signal receiving device 7 through converging the back through receiver lens 6 again after the total reflection in windshield.Wherein, the lens of all lens T-R are integrated formed structures among the present invention, and lens are connected the top cover that base constitutes package casing 3 with it.
The refractive index of the refractive index of lens and windshield 2 is more or less the same, and the isostructural refractive index of top cover of flexible light-conducting layer 1 and package casing 3 can not interfere with the measurement effect of Sense Rain Sensor to the influence of propagation path of light.
When glass outer surface is anhydrous; Glass material to the cirtical angle of total reflection of air generally about 41 °, through the angle of setting light signal incident windshield 2 inside surfaces make its at the inboard incident angle β of windshield 2 outside surfaces greater than windshield with respect to the critical firing angle of being all-trans of air.Wherein, alpha+beta=90 °.
Have only reflex this moment, ignores the thickness (thickness of flexible light-conducting layer 1 is ignored than I relatively) of flexible light-conducting layer 1, can be known that by the triangle edges angular dependence (the best) thickness h of windshield and lens T-R to the relation of spacing L are:
Technical scheme of the present invention preferably sets α=45 °, then, and at this moment
With reference to figure 6, when the windshield outside surface had ponding, glass material was about 61 ° to the cirtical angle of total reflection of water; β=45 °＜61 °, this moment, reflected light path was constant, but light signal is in the outside surface inner reflection of windshield 2; Because the existence of ponding 8 makes a part of light signal to reflect said windshield 2 through ponding 8; And then the reflected light signal intensity that makes receiving trap 7 receive weakens, when ponding 8 many more, the reflected light signal intensity that said receiving trap 7 is received more a little less than.
Can know by above-mentioned argumentation.As incident angle α fixedly the time, the distance (light path) of light propagation before increasing the lens T-R and will increasing total reflection phenomenon and take place spacing L can increase the thickness h of tested windshield.
So; The inventor discovers; Can adopt by many groups different spacing lens T-R constituting the vehicle-mounted Sense Rain Sensor of optical lens group systems produce; Make said vehicle-mounted Sense Rain Sensor be fit to the windshield of different-thickness, promptly increased the scope of application of vehicle-mounted Sense Rain Sensor windshield thickness.
In above-mentioned research, the invention provides a kind of vehicle-mounted Sense Rain Sensor optical lens group system, comprising:
The multiple lens T-R is right;
The right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
Simultaneously, based on said vehicle-mounted Sense Rain Sensor optical lens group system, the present invention also provides a kind of vehicle-mounted Sense Rain Sensor, comprising:
Package casing;
Signal generation apparatus;
Signal receiving device;
The optical lens group system;
Control circuit, said control circuit connects said signal generation apparatus and signal receiving device, and links to each other with wiper controller through communication bus, by rain brush controller drives Wiper motor;
Wherein, said optical lens group system comprises: the multiple lens T-R is right, and the right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
As above-mentioned; The multiple lens T-R spacing of said optical lens group system (diversing lens and receiver lens geometric center distance) is not identical entirely; The windshield of the corresponding optimum thickness of each lens T-R spacing; Make said vehicle-mounted Sense Rain Sensor be fit to the windshield of different-thickness, promptly increased the scope of application of vehicle-mounted Sense Rain Sensor windshield thickness.
It more than is the application's core concept; To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention carried out clear, intactly description, obviously; Described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
A lot of details have been set forth in the following description so that make much of the present invention; But the present invention can also adopt other to be different from alternate manner described here and implement; Those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed specific embodiment.
Secondly, the present invention combines synoptic diagram to be described in detail, when the embodiment of the invention is detailed; For ease of explanation; The sectional view of indication device spare structure can be disobeyed general ratio and done local the amplification, and said synoptic diagram is example, and it should not limit the scope of the present invention's protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and height.
Embodiment one
Based on technique scheme, present embodiment provides a kind of vehicle-mounted Sense Rain Sensor optical lens group system, and said optical lens group system comprises:
4 groups of lens T-R are right, and said lens T-R is to comprising: diversing lens and receiver lens, the right diversing lens of said 4 groups of lens T-R is not identical entirely with receiver lens geometric center distance.
With reference to figure 7; Said 4 groups of lens T-R are to the layout structure that is rectangle; Wherein, said 4 groups of lens T-R are to being positioned on the rectangular four edges, and the lens T-R on two limits of said rectangular length is identical to spacing; Lens T-R on said rectangular short two limits is identical to spacing, and two groups of lens T-R on the long limit of said rectangle to spacing obviously greater than two groups of lens T-R on its minor face to spacing.
With reference to figure 8; Said 4 groups of lens T-R are to all right parallelogram structure; Said 4 groups of lens T-R are to being positioned on the parallel four edges; The four edges of said parallelogram is elongated not identical entirely; Lens T-R on two long limits of said parallelogram is identical to spacing, and the lens T-R on two short limits of said parallelogram is identical to spacing, and two groups of lens T-R on the long limit of said parallelogram to spacing obviously greater than two groups of lens T-R on its minor face to spacing.
Optical lens group system described in Fig. 7 and Fig. 8 has comprised two fixing lens T-R to spacing, can increase the scope of application of vehicle-mounted Sense Rain Sensor to automobile wind shield glass thickness through regulating said two fixing lens T-R to spacing.
In the vehicle-mounted Sense Rain Sensor that the optical lens group system of employing said structure constitutes, the light path of lightray propagation has comprised long spacing light path (the lens T-R is to the light path between the bigger lens of spacing), short spacing light path (the lens T-R is to the light path between the less lens of spacing).Wherein, long light path is suitable for the thicker windshield of thickness, and short light path is suitable for the windshield of thinner thickness.
In addition, the mode of arranging in pairs or groups through long light path and short light path helps compression and the layout optimization that full light path scope is cut size outward, promptly helps improving the utilization factor of Sense Rain Sensor sectional area, improves the installation and the aesthetic of Sense Rain Sensor.
Under the volume of identical Sense Rain Sensor; Promptly under the condition of identical Sense Rain Sensor cross-sectional area and identical lens diameter, adopt said unequal-interval lens T-R can Sense Rain Sensor be enlarged 1mm at least to the bound limit value of the thickness usable range of windshield to the optical lens group system of layout.Thickness like the suitable windshield of the Sense Rain Sensor of existing optical lens group systems produce is generally 4mm-6mm; Thickness through the suitable windshield of the Sense Rain Sensor of the said technical scheme preparation of present embodiment is 3mm-7mm, has increased the scope of application to windshield thickness.
Simultaneously; The optical lens group system of technique scheme can improve the utilization factor of Sense Rain Sensor housing (package casing) xsect; Promptly make the area that not utilize of sensor cross-section on long-pending reduce, the layout of special said rectangle structure makes sensor cross-section not utilize area minimum on long-pending.
General for the optical lens group system of 4 groups of lens T-R to structure; Its layout type is a quadrilateral structure; Promptly all lens T-R are to being positioned on the tetragonal border; Simultaneously seeing that the requirement of installation requirements and circuit structure layout; This moment, said housing generally was designed to have the rectangular structure of setting size; Said optical lens group and be separately positioned on the inside surface of two relative rectangular side walls of said rectangular parallelepiped housing (plane, said sidewall place is above-mentioned xsect) with the signal receiving/transmission device (signal generation apparatus and signal receiving device) of its coupling is so the layout of said rectangle structure makes sensor cross-section not utilize area minimum on long-pending.
When the area that does not utilize on sensor cross-section is long-pending reduces; Promptly increased available zone outside the said optical lens group; And then the design space of the lens combination of the increase photosensitive sensor different with the Sense Rain Sensor function, and then can be on same housing integration can better the sensitive lens group or structure with other functions.
The lens of said optical lens group are aspheric mirror, and the spotlight effect of aspheric mirror is better, and energy transfer efficiency is high, and then can make vehicle-mounted Sense Rain Sensor have better signal to noise ratio (S/N ratio) and adaptability.
Preferably, the lens of said optical lens group are hyperbolic mirror or Fresnel Lenses in the aspheric mirror etc.
Angle=45 ° of the inside surface of lens axis and windshield are set.In actual production; Only need make α about 45 °; Guarantee light signal at the inboard incident angle β of windshield outside surface between the cirtical angle of total reflection and the cirtical angle of total reflection with respect to water of windshield with respect to air; So that when the windshield outside surface is anhydrous, only there is reflection (total reflection effect), reflection and transmission when being arranged, water take place.And the right angle that lens axis is divided windshield inside surface and its normal equally can be guaranteed α about 45 °, to realize above-mentioned purpose.This method realizes simple, need not accurately to measure the angle of α.
Above-mentioned optical lens group system is the preferred implementation of technical scheme of the present invention, and wherein the lens T-R can also be 2 or 3 to the group number.As long as its lens T-R is incomplete identical to spacing, its layout structure is not unique yet.
Can know that through foregoing description the said vehicle-mounted Sense Rain Sensor optical lens group system of present embodiment can be applicable to the various riding vehicle that windshield is thin, also goes for the thicker commercial vehicle of windshield.Simultaneously, improved the utilization factor of vehicle-mounted Sense Rain Sensor housing sectional area.
Embodiment two
In the foregoing description; The lens T-R centering diversing lens and the receiver lens of optical lens group system are one to one; Present embodiment provides a kind of vehicle-mounted Sense Rain Sensor optical lens group system; Said optical lens group system comprises that the multiple lens T-R is right, and said multiple lens T-R is not identical entirely to spacing, and has common receiver lens.
With reference to figure 9; The right diversing lens of all lens T-R is positioned on the border of a circle in the said optical lens group system; An and shared receiver lens A; Said receiver lens A is positioned at the non-circle centre position of circle, then can make that corresponding four lens T-R shown in Fig. 8 right spacing L1, L2, L3, L4 are not identical entirely through the position of said receiver lens A in circle is set; Make the corresponding a plurality of light paths of said lens combination system, and then make the vehicle-mounted Sense Rain Sensor that is prepared from adapt to the windshield of a plurality of optimum thicknesses.
Need to prove that same as the previously described embodiments, present embodiment aims to provide a kind of lens T-R to the complete identical lens combination system of spacing, wherein the right group number of lens T-R with and layout type be not limited to the said mode of embodiment.Like the structure according to the Sense Rain Sensor package casing, the right diversing lens of all lens T-R also can be positioned on the border of same ellipse, and its public receiver lens is positioned at said oval inner.
For the optical lens group system of non-quadrilateral layout, general processing mode is that the Sense Rain Sensor package casing is set to a less thin column structure of thickness of setting size dimension, and all T-R lens are to being located on the cross section in the said cylinder.As shown in Figure 4, the alternating expression layout promptly adopts aforesaid way in the prior art.So, to the layout type of the said optical lens group system of present embodiment, can adopt the package casing of column structure, to increase utilization factor to the Sense Rain Sensor xsect.Simultaneously, have above-mentioned analysis to know, circular layout mode shown in Figure 9 can make cylindricality seal and not utilize the area minimum on the sectional area of shell.
From the above mentioned; The said optical lens group system of present embodiment can be to lens T-R that a plurality of different light paths should be arranged to (making each lens T-R all inequality to spacing like the position of the public receiver lens of scalable), and then make its usable range to windshield thickness further increase.Simultaneously, can increase utilization factor to the Sense Rain Sensor xsect, so can be on same housing integration can better the sensitive lens group or structure with other functions.
Embodiment three
Present embodiment provides a kind of vehicle-mounted Sense Rain Sensor, comprising:
Package casing;
Signal generation apparatus;
Signal receiving device;
The optical lens group system;
Control circuit, said control circuit connects said signal generation apparatus and signal receiving device, and connects through communication bus (for example LIN and CAN) and link to each other with wiper controller, by rain brush controller drives Wiper motor;
Wherein, said optical lens group system comprises: the multiple lens T-R is right, and the right mirror lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
Concrete, said optical lens group system adopts layout type described in embodiment one or the embodiment two.Said package casing adopts corresponding rectangular parallelepiped formula structure or column structure according to the layout type of said optical lens group system and the requirement of installation requirements and circuit structure layout.
The said vehicle-mounted Sense Rain Sensor of present embodiment adopts optical lens group system described in embodiment one or the embodiment two, so said vehicle-mounted Sense Rain Sensor goes for the windshield of different-thickness; Simultaneously, can increase the utilization factor to the Sense Rain Sensor xsect, integration can better the sensitive lens group or structure with other functions on same housing.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a vehicle-mounted Sense Rain Sensor optical lens group system is characterized in that, comprising:
The multiple lens T-R is right;
The right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
2. system according to claim 1 is characterized in that, the lens T-R is 2,3 or 4 to the group number.
3. system according to claim 2 is characterized in that, when the lens T-R to the group number when being 4,4 groups of lens T-R are to the layout structure that is rectangle.
4. system according to claim 2 is characterized in that, when the lens T-R was 4 to the group number, 4 groups of lens T-R were to layout parallelogram structure.
5. system according to claim 1 is characterized in that, said lens are aspheric mirror.
6. system according to claim 5 is characterized in that, said aspheric mirror comprises: hyperbolic mirror, Fresnel Lenses.
7. system according to claim 1 is characterized in that, said multiple lens T-R is to having a public receiver lens.
8. system according to claim 7 is characterized in that, the right diversing lens of said multiple lens T-R is positioned on a circle or the oval border, and said public receiver lens is positioned at said circle or oval inner.
9. system according to claim 1 is characterized in that, the optical axis of said lens and vehicle windscreen surface angle are 45 °.
10. a vehicle-mounted Sense Rain Sensor is characterized in that, comprising:
Package casing;
Signal generation apparatus;
Signal receiving device;
The optical lens group system;
Control circuit, said control circuit connects said signal generation apparatus and signal receiving device, and links to each other with wiper controller through communication bus, drives Wiper motor by wiper controller;
Wherein, said optical lens group system comprises: the multiple lens T-R is right, and the right diversing lens of said multiple lens T-R is not identical entirely with receiver lens geometric center distance.
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| CN201210093550.3A CN102621600B (en) | 2012-03-31 | 2012-03-31 | Vehicle-mounted rain sensor and optical lens group system |
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| CN201210093550.3A CN102621600B (en) | 2012-03-31 | 2012-03-31 | Vehicle-mounted rain sensor and optical lens group system |
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| CN106405685A (en) * | 2016-08-26 | 2017-02-15 | 无锡信大气象传感网科技有限公司 | Rainfall induction sensor |
| CN107264473A (en) * | 2016-04-07 | 2017-10-20 | 现代自动车株式会社 | Multifocal Raindrop sensor |
| CN109116443A (en) * | 2018-10-17 | 2019-01-01 | 深圳南方德尔汽车电子有限公司 | Rainfall sunlight sensor |
| CN109916857A (en) * | 2017-12-11 | 2019-06-21 | 郑州宇通客车股份有限公司 | A kind of glass of automobile-used identification of hazing and the detection device that hazes |
| CN109916858A (en) * | 2017-12-11 | 2019-06-21 | 郑州宇通客车股份有限公司 | A kind of vehicle glass and the detection device that hazes |
| CN111717163A (en) * | 2019-03-20 | 2020-09-29 | 力特保险丝公司 | Optical rain sensor |
| US11498524B2 (en) * | 2019-08-28 | 2022-11-15 | Canon Kabushiki Kaisha | Imaging device, method of controlling imaging device, and storage medium for reducing adverse effects from driving wiper |
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| CN106405685A (en) * | 2016-08-26 | 2017-02-15 | 无锡信大气象传感网科技有限公司 | Rainfall induction sensor |
| CN109916857A (en) * | 2017-12-11 | 2019-06-21 | 郑州宇通客车股份有限公司 | A kind of glass of automobile-used identification of hazing and the detection device that hazes |
| CN109916858A (en) * | 2017-12-11 | 2019-06-21 | 郑州宇通客车股份有限公司 | A kind of vehicle glass and the detection device that hazes |
| CN109116443A (en) * | 2018-10-17 | 2019-01-01 | 深圳南方德尔汽车电子有限公司 | Rainfall sunlight sensor |
| CN109116443B (en) * | 2018-10-17 | 2021-08-27 | 深圳南方德尔汽车电子有限公司 | Rainfall and sunlight sensor |
| CN111717163A (en) * | 2019-03-20 | 2020-09-29 | 力特保险丝公司 | Optical rain sensor |
| US11498524B2 (en) * | 2019-08-28 | 2022-11-15 | Canon Kabushiki Kaisha | Imaging device, method of controlling imaging device, and storage medium for reducing adverse effects from driving wiper |
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|---|---|
| CN102621600B (en) | 2014-03-19 |
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hengrun Technology Co., Ltd Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |