CN1458014A - Vehicle carried night vision auxiliary device - Google Patents
Vehicle carried night vision auxiliary device Download PDFInfo
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- CN1458014A CN1458014A CN 03138046 CN03138046A CN1458014A CN 1458014 A CN1458014 A CN 1458014A CN 03138046 CN03138046 CN 03138046 CN 03138046 A CN03138046 A CN 03138046A CN 1458014 A CN1458014 A CN 1458014A
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Abstract
The vehicular auxiliary night vision device includes front photosensitive video camera to take the image before the vehicle; band-pass filter in front of the lens of the front photosensitive video camera; infrared ray projector(s) installed in the front part of the vehicle; and the monitoring display to display the image before and after the vehicle. The power cords to the infrared ray projector(s), the front photosensitive video camera and the monitoring display are connected via control switch to the key switch of the vehicle, and the video output of the front photosensitive video camera is connected to the input of the monitoring display.
Description
Technical field
The present invention relates to a kind of night viewer for motor vehicle.More specifically, relate to a kind of night viewer for motor vehicle that uses the near infrared imaging principle to make things convenient for the driver's observation road conditions.
Background technology
At present, during the self-propelled vehicle night running, main near light modulation or country beam illumination.Wherein, effective irradiation distance of passing light is about 40m, and effective irradiation distance of country beam is about 100m, is about 70m to the reflection of taking measures distance from the eye-observation to road conditions.Because the brightness of illumination of car light is limited, the chaufeur eyesight is also limited simultaneously, thereby causes visual range near.And the blind area can occur when meeting the precipitate high light in opposite, brothers lose one's head owing to do not see road conditions.Inclement weather conditions such as this external rain, snow, mist are descended, and visual range is nearer, and blurred vision is very easily tired.Above-mentioned various situation all makes the chaufeur anxiety, is easy to situation of causing danger or traffic accident.
The utility model content
The purpose of this invention is to provide a kind of on-vehicle night vision auxiliary device to solve the problems of the technologies described above, it can make chaufeur can both clearly see road conditions clearly in night, sleet sky or greasy weather, improves the road conditions observation ability.When the automobile-use passing light, this device can demonstrate the pedestrian who is difficult for seeing and obstacle and the road that exceeds the light-illuminating scope.Like this, even do not use country beam, chaufeur also can be understood situation at a distance.When using country beam, this device can target object that can't directly see be shown as reflection owing to distance is too far away, and information is offered chaufeur.Thereby the driving safety in the time of can improving night, sleet sky or greasy weather is automobile navigation, alleviates driving intensity, can also make things convenient for the operation of parking simultaneously.And this auxiliary device can be according to the different situations of road conditions, and chaufeur can be seen than existing self-propelled vehicle forward sight illumination distances 3-5 far away distance doubly with interior road conditions, thus the visual information that eyes can't be seen when providing conventional the driving for chaufeur.
Particularly, according to an aspect of the present invention, provide a kind of on-vehicle night vision auxiliary device, this on-vehicle night vision auxiliary device comprises: be installed in preceding photosensitive pick up camera anterior in the self-propelled vehicle, be used for the image in camera motor-car the place ahead; The filter plate of on the lens head of preceding photosensitive pick up camera, installing; Grenade instrumentation before motor vehicle front end is installed one or more near infrared rays; Monitor scope, the reflection that is used for display machines motor-car the place ahead or rear object, the power lead of grenade instrumentation, preceding photosensitive pick up camera, monitor scope is connected with automobile key switch by master cock before its middle infrared (Mid-IR), and the video line mouth of preceding photosensitive pick up camera links to each other with the input end of monitor scope.
Description of drawings
To the detailed description of the preferred embodiments of the present invention, it is clearer that above-mentioned purpose of the present invention and advantage will become by with reference to the accompanying drawings, wherein:
Fig. 1 is the circuit diagram according to on-vehicle night vision auxiliary device of the present invention;
Fig. 2 is the scheme drawing that can be installed at according to the collision-proof alarm radar installation on the on-vehicle night vision auxiliary device of the present invention.
The specific embodiment
Hereinafter, will be with reference to the accompanying drawings, describe the preferred embodiments of the present invention in detail.
Fig. 1 is the circuit diagram according to on-vehicle night vision auxiliary device of the present invention.With reference to Fig. 1, on-vehicle night vision auxiliary device of the present invention comprises: be installed in preceding photosensitive pick up camera 1 anterior in the self-propelled vehicle, be used for forward sight; Be installed in the back photosensitive pick up camera 2 of motor vehicle rear, be used for the backsight reversing and use; The filter plate (not shown) of on the lens head of preceding photosensitive pick up camera 1, installing; At motor vehicle front end one or more near infrared ray grenade instrumentations 3 (among Fig. 1 being 2) are installed; Monitor scope 5, the black and white that is used for display machines motor-car the place ahead or rear object is videoed; Hand control switch 6 is installed in appropriate location, the place ahead in car, is used to control the work of on-vehicle night vision auxiliary device.
The power lead of its middle infrared (Mid-IR) grenade instrumentation 3, monitor scope 5 is connected with switch 6; The video line mouth of preceding photosensitive pick up camera 1 links to each other with two input ends that become a video line plug 7, the video line mouth of the photosensitive pick up camera 2 in back links to each other with two another input ends that become a video line plug 7, two mouths that become a video line plug 7 link to each other forward and backward photosensitive pick up camera 1 and 2 shared monitor scopes 5 with the input end of monitor scope 5; Before the power lead of photosensitive pick up camera 1, the photosensitive pick up camera 2 in back put automatically controlled master cock 4 and be connected by hilted broadsword is two with switch 6, the power lead of preceding photosensitive pick up camera 1 is connected the normal-closed end of automatically controlled master cock 4, the power lead of the photosensitive pick up camera 2 in back is connected the Chang Kaiduan of automatically controlled master cock 4, and the make and break of automatically controlled master cock 4 is controlled by the backing-up lamp signal.The common port of automatically controlled master cock 4 is connected with switch 6, and switch 6 is connected with automobile key switch 8.
When cruising, what show on the monitor scope 5 is the objects in front image, and when reversing, the power supply of preceding pick up camera 1 disconnects, the power connection of back pick up camera 2, and what show on the monitor scope 5 is the image of rear object.When chaufeur is operated switch 6, can whether work to whole auxiliary device and control.
The position of noting above-mentioned each constituent elements installation of on-vehicle night vision auxiliary device of the present invention will make things convenient for the driver's observation road conditions, can not hinder its sight line.
Forward and backward photosensitive pick up camera 1 and 2 can adopt ccd video camera or cmos camera, they have highly sensitive, resolution is strong, the life-span is long, anti-vibration, diamagnetic characteristics.Wherein ccd video camera (can be B) all has higher sensitivity to visible light and near infrared band (780-940nm).
Band pass filter can adopt advanced coating technique.The light that only meets the near-infrared wavelength of job requirement just can pass through filter plate, thereby 1 in photosensitive pick up camera has induction to the light that sees through band pass filter before making.
The IR wavelength that the near infrared ray grenade instrumentation 3 of employing infrared lamp etc. is throwed and the light transmission of band pass filter are complementary, and certain dispersion angle (10 degree-30 degree) is arranged, and irradiation distance is beyond 150m.The range of receiving of photosensitive pick up camera 1 camera lens before covering.
Concrete infrared lamp has a corresponding narrower work spectral region, demarcation is the infrared lamp of 800nm as luminescent spectrum, its effective luminescent spectrum scope is 790～810nm, light intensity outside this scope is sharply decayed, therefore for the validity of whole device work, require the transparency range of band pass filter to mate with the spectral region of infrared lamp is strict.
The concrete working process of on-vehicle night vision auxiliary device of the present invention is as follows: when night during the normal row car, connect switch 6 after, infrared ray grenade instrumentation 3, preceding photosensitive pick up camera 1, monitor scope 5 work.
Because after installing filter plate additional on the camera lens of preceding photosensitive pick up camera 1, the light that this car of 1 induction of preceding photosensitive pick up camera is installed according to the near infrared ray grenade instrumentation 3 employed near infrared bands in the on-vehicle night vision auxiliary device of the present invention, therefore objects in front reflective infrared lamp wiring passes through preceding photosensitive pick up camera 1 and forms picture signal, export to monitor scope 5, the black and white reflection that shows objects in front on the monitor scope 5 is for the chaufeur reference.When high light appears in the opposite, as automotive lamp, be generally full spectrum, but the light of the relative near infrared ray grenade instrumentation 3 of the light of the near infrared band of this high light is very weak, therefore can not impact imaging, also just avoided the high light interference.Simultaneously, because of near infrared ray grenade instrumentation 3 send for black light, therefore, not sent a car by the opposite when light disturbs, can not cause interference to the opposite chaufeur of sending a car yet.
When chaufeur was hung backward gear, the power supply automatic cutout of preceding photosensitive pick up camera 1 was ended from the vision signal of preceding photosensitive pick up camera 1.The power supply of the photosensitive pick up camera 2 in back is connected automatically, and monitor scope 5 shows the rear portion situation, convenient reversing.Because what the photosensitive pick up camera 2 in back adopted is low-illuminance cameras, so the enough imaging illumination of the light of backing-up lamp also is operable certainly by day.Wherein the back photosensitive pick up camera 2 power lead also can be connected on other available power lead by another switch, thereby the work of photosensitive pick up camera 2 can carry out separately, to make things convenient for the flexibility of operation of chaufeur.
In addition, in on-vehicle night vision auxiliary device of the present invention, consideration according to financial cost, make things convenient for the photosensitive pick up camera 2 of driver's observation self-propelled vehicle rear object can select dress, at this moment, the power lead of grenade instrumentation 3, preceding photosensitive pick up camera 1, monitor scope 5 is connected with automobile key switch by master cock before the infrared ray, and the video line mouth of preceding photosensitive pick up camera links to each other with the input end of monitor scope.
Adopt such scheme, automobile driver is when night running, and these auxiliary night-vision devices can provide the visual information that can't see under the normal circumstances, can increase visual range, avoids high light to disturb.Because infrared ray has the ability that penetrates rain, snow, mist, thereby also improved traveling security under abominable riving condition.Chaufeur can accurately be judged road conditions by auxiliary device, reduces the traffic accident under night or the severe weather conditions.
On-vehicle night vision auxiliary device of the present invention in addition can also be used in combination with collision-proof alarm radar installation commonly used.Descend in dark surrounds conditions such as rain, snow, fog dusts, when obstacle occurring as 150m in the scope that vehicle front is set, during as obstacles such as vehicle, pedestrian, trees, buildings, send the sound and light alarm signal automatically.The collision-proof alarm radar installation cooperates automobile-used auxiliary night-vision devices of the present invention to use, and can improve the night travel safety greatly.After chaufeur is heard or is seen the alerting signal of collision-proof alarm radar installation, can learn in the predetermined scope in the place ahead and obstacle occur, and the particular case that can observe the place ahead by the telltale of on-vehicle night vision auxiliary device, accurately judge, so that take adequate measures.
Fig. 2 is the scheme drawing that can be installed at according to the collision-proof alarm radar installation on the on-vehicle night vision auxiliary device of the present invention.The composition of collision avoidance radar warning device: comprise that millimeter wave transmits and receives device 11 and 12, switch 13, high-speed dsp digital signal processor 14, combined aural and visual alarm 15.Millimeter wave transmits and receives device 11 and 12 and is installed on the car front portion, and high-speed dsp digital signal processor 14 is installed on suitable position in the car.Combined aural and visual alarm 15 places on the instrument carrier panel, the place that the switch 13 of collision avoidance radar warning device places chaufeur to be convenient to operate.Such as night when the running on expressway, need to use under the situation of collision avoidance radar warning device, chaufeur can select to use this collision avoidance radar warning device.Promptly when chaufeur was selected to use this collision avoidance radar warning device, this collision avoidance radar warning device can provide alarm message when detecting the place ahead obstacle, and driver carries out road conditions by on-vehicle night vision auxiliary device of the present invention to be observed.
Above-mentioned collision avoidance radar warning device is based on radar ranging, and radar utilizes target that reflection of electromagnetic wave is found target and measured its position.The millimeter wave radar detection performance is stable, is not subject to the influence of surface configuration and color, not influenced by air flow, good environmental adaptability, and rain, snow, mist etc. are little to its interference, are mainly used in collision-proof alarm.As vehicle-mounted range only radar, what be suitable at present mainly contains pulsed doppler radar, double frequency CW radar and FM radar or the like.Certainly, also can use the radar of other types.
In addition, on-vehicle night vision auxiliary device of the present invention also can add following configuration:
Can install the DVD decoding device additional, form the vehicle-carrying DVD transcriber with above-mentioned monitor scope 5.
Can install the hard disk video system additional, record in real time.
Above-mentioned in addition monitor scope 5 can also show the TV signal that receives by the in-car TV signal receiving device, thereby forms mobile TV receiver.
In drawing and description, typical preferred embodiment of the present invention is disclosed, the foregoing description and advantage only are exemplary.Although used particular term, they just are used for general and descriptive and do not limit the present invention, the scope of the invention is indicated in the appended claims.
Claims (5)
1. on-vehicle night vision auxiliary device comprises:
Grenade instrumentation before motor vehicle front end is installed one or more near infrared rays;
Be installed in preceding photosensitive pick up camera anterior in the self-propelled vehicle, be used for the image of the object that grenade instrumentation is shone before the near infrared ray in camera motor-car the place ahead;
The band pass filter of installing on the lens head of preceding photosensitive pick up camera is used for the picture signal that preceding photosensitive pick up camera is taken is carried out filtering;
Monitor scope is used for the reflection of display machines motor-car the place ahead or rear object;
The power lead of grenade instrumentation, preceding photosensitive pick up camera, monitor scope is connected with automobile key switch by a master cock before its middle infrared (Mid-IR), and the video line mouth of preceding photosensitive pick up camera links to each other with the input end of monitor scope.
2. on-vehicle night vision auxiliary device as claimed in claim 1 also comprises:
Be installed in the back photosensitive pick up camera of the low-light (level) of motor vehicle rear, the image at camera motor-car rear when being used for the backsight reversing;
Automatically controlled master cock is used for controlling switching on and off of forward and backward photosensitive pick up camera under the control of astern signal;
Two become a video line plug, the video line mouth of preceding photosensitive pick up camera links to each other with two input ends that become a video line plug, the video line mouth of the photosensitive pick up camera in back links to each other with two another input ends that become a video line plug, and two mouths that become a video line plug link to each other with the input end of monitor scope;
The power lead of grenade instrumentation, preceding photosensitive pick up camera, the photosensitive pick up camera in back, monitor scope is connected with automobile key switch by a master cock before its middle infrared (Mid-IR).
3. on-vehicle night vision auxiliary device as claimed in claim 2, wherein the power lead of the photosensitive pick up camera in back is connected to available power lead by another switch.
4. as the described on-vehicle night vision auxiliary device of any one claim in the claim 1,2 and 3, the near infrared range of wavelength that its middle infrared (Mid-IR) grenade instrumentation uses is 780～940nm.
5. as the described on-vehicle night vision auxiliary device of any one claim in the claim 1,2 and 3, also comprise the collision avoidance radar warning device, described collision avoidance radar warning device comprises: millimeter wave transmits and receives device, is used to transmit and receive millimeter-wave signal; Switch is used to connect the power supply of collision avoidance radar warning device; The high-speed dsp digital signal processor is used to analyze the signal that receives, and calculates the distance of Ben Che and the place ahead obstacle; Combined aural and visual alarm after current square mesh mark is in the operating range of automobile-used auxiliary night-vision devices of the present invention, carries out alarm, and wherein millimeter wave transmits and receives device and is installed on the car front portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03138046 CN1458014A (en) | 2003-05-30 | 2003-05-30 | Vehicle carried night vision auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03138046 CN1458014A (en) | 2003-05-30 | 2003-05-30 | Vehicle carried night vision auxiliary device |
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| Publication Number | Publication Date |
|---|---|
| CN1458014A true CN1458014A (en) | 2003-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03138046 Pending CN1458014A (en) | 2003-05-30 | 2003-05-30 | Vehicle carried night vision auxiliary device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312001C (en) * | 2003-12-31 | 2007-04-25 | 汕头大学 | Automobile infrared night vision system |
| CN101135570B (en) * | 2006-09-01 | 2013-05-08 | 哈曼贝克自动***股份有限公司 | Method of operating a night-view system in a vehicle and corresponding night-view system |
| CN103293558A (en) * | 2013-06-05 | 2013-09-11 | 合肥汉翔电子科技有限公司 | Comprehensive photoelectric detection system |
| CN110154892A (en) * | 2019-05-28 | 2019-08-23 | 徐州工业职业技术学院 | A kind of night parking lot vehicle proximity-warning device |
-
2003
- 2003-05-30 CN CN 03138046 patent/CN1458014A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312001C (en) * | 2003-12-31 | 2007-04-25 | 汕头大学 | Automobile infrared night vision system |
| CN101135570B (en) * | 2006-09-01 | 2013-05-08 | 哈曼贝克自动***股份有限公司 | Method of operating a night-view system in a vehicle and corresponding night-view system |
| CN103293558A (en) * | 2013-06-05 | 2013-09-11 | 合肥汉翔电子科技有限公司 | Comprehensive photoelectric detection system |
| CN103293558B (en) * | 2013-06-05 | 2017-04-12 | 合肥智慧龙图腾知识产权股份有限公司 | Comprehensive photoelectric detection system |
| CN110154892A (en) * | 2019-05-28 | 2019-08-23 | 徐州工业职业技术学院 | A kind of night parking lot vehicle proximity-warning device |
| CN110154892B (en) * | 2019-05-28 | 2021-07-30 | 徐州工业职业技术学院 | Night parking area car anticollision alarm device |
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