CN205541427U - Vehicle license plate recorder - Google Patents
Vehicle license plate recorder Download PDFInfo
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- CN205541427U CN205541427U CN201620074131.9U CN201620074131U CN205541427U CN 205541427 U CN205541427 U CN 205541427U CN 201620074131 U CN201620074131 U CN 201620074131U CN 205541427 U CN205541427 U CN 205541427U
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- pass filter
- narrow band
- band pass
- infrared
- vehicle
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Abstract
The utility model relates to a vehicle license plate recorder, include the image acquisition device of shooing or making a video recording the target vehicle, its characterized in that: still including the infrared radiation source that can launch the infrared light to the target vehicle, the image acquisition device adopts infrared camera machine or infrared camera, camera lens the place ahead of infrared camera machine or infrared camera is equipped with the narrow band pass filter of only allowwing the infrared ray to pass through. Compared with the prior art, the utility model has the advantages of: the image acquisition device adopts infrared camera machine or infrared camera, by then infrared radiation source carry out infrared light filling to the target vehicle, the rethread narrow band pass filter is the visible light filtering, remaining infrared light only, because of the effect of vehicle vehicle license plate through infrared special reflection, so infrared camera machine or infrared camera can obtain clear target vehicle photo, vehicle number plate recognition is rateed steadily, does not receive the influence of luminous environment simultaneously, solves the problem of visible light light filling light pollution at night simultaneously.
Description
Technical field
The present invention relates to intelligent transportation field, be specifically related to a kind of vehicle license plate tape deck.
Background technology
Along with China's expanding economy, vehicles number steeply rises, road traffic pressure is increasing, road traffic comprehensive information acquisition system arises at the historic moment, complete the business such as the automatic evidence-collecting of traffic offence, vehicle pass-through record, traffic information collection and traffic incidents detection, to safeguarding good traffic order and ensureing that safety plays a positive role.Existing road traffic comprehensive information acquisition system has a bigger defect: need when night captures driving vehicle photo to ensure picture effect by light compensating lamp, the environment of surrounding is caused bigger light pollution by these light compensating lamps, not only affect the life of people, also traffic safety hidden danger is easily caused, and the accuracy rate of number plate identification is affected relatively big by ambient light, discrimination is unstable.
Road monitoring camera producer, attempt to solve this problem by the way improving video camera illumination, but fail to produce a desired effect, its main cause is that the CCTV camera of road synthetic information acquisition system requires all to shoot clear by information such as vehicle, road surface and signal lamp states, wherein the shooting of number plate of vehicle is particularly problematic, if be taken, vehicle back has follow-up vehicle, the automobile front lamp photograph that the number plate of vehicle being now taken can be followed up the brightest, also have the number plate of some vehicles own to there is photographic lamp, and some number plate of vehicle does not has photographic lamp；Only substantially be difficult to the vehicle number all shooting clears in the case of above-mentioned three kinds by shutter speed, and existing multiple modes synthesized of wide dynamic technique continuous shooting are also not suitable for the scene of vehicle rapid movement.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of energy without the vehicle license plate tape deck of light pollution, number plate of vehicle identification not light ambient influnence for above-mentioned prior art.
The technical scheme that the above-mentioned technical problem of the utility model solution is used is: a kind of vehicle license plate tape deck, including image collecting device target vehicle taken pictures or image, it is characterized in that: also include target vehicle being launched the infrared radiation light source of infrared light, described image collecting device uses thermal camera or infrared camera, and the camera lens front of described thermal camera or infrared camera is provided with the narrow band pass filter only allowing infrared ray to pass through.
As improvement, described narrow band pass filter is 780nm narrow band pass filter or 808nm narrow band pass filter or 810nm narrow band pass filter or 830nm narrow band pass filter or 845nm narrow band pass filter or 850nm narrow band pass filter or 860nm narrow band pass filter or 870nm narrow band pass filter or 880nm narrow band pass filter or 905nm narrow band pass filter or 940nm narrow band pass filter or 980nm narrow band pass filter or 1000nm narrow band pass filter.
Compared with prior art, the utility model has the advantage of: image collecting device uses thermal camera or infrared camera, by then infrared radiation light source, target vehicle is carried out infrared light filling, by narrow band pass filter, visible ray is filtered again, only it is left infrared light, because vehicle license plate is according to the effect through infrared special reflecting, therefore thermal camera or infrared camera can obtain target vehicle photo clearly, car license plate recognition rate is stable, do not affected by luminous environment, the problem simultaneously solving visible ray light filling light pollution at night simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of vehicle license plate tape deck in the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
nullVehicle license plate tape deck as shown in Figure 1，Including the image collecting device 1 target vehicle taken pictures or image，Target vehicle can be launched the infrared radiation light source 2 of infrared light，Wherein，Described image collecting device uses thermal camera or infrared camera，The camera lens front of described thermal camera or infrared camera is provided with the narrow band pass filter 3 only allowing infrared ray to pass through，In the present embodiment，Described narrow band pass filter is 780nm narrow band pass filter or 808nm narrow band pass filter or 810nm narrow band pass filter or 830nm narrow band pass filter or 845nm narrow band pass filter or 850nm narrow band pass filter or 860nm narrow band pass filter or 870nm narrow band pass filter or 880nm narrow band pass filter or 905nm narrow band pass filter or 940nm narrow band pass filter or 980nm narrow band pass filter or 1000nm narrow band pass filter.
Claims (2)
1. a vehicle license plate tape deck, including image collecting device target vehicle taken pictures or image, its
It is characterised by: also including to launch target vehicle the infrared radiation light source of infrared light, described image collecting device uses red
Outer video camera or infrared camera, the camera lens front of described thermal camera or infrared camera is provided with and only allows infrared ray to lead to
The narrow band pass filter crossed.
Vehicle license plate tape deck the most according to claim 1, it is characterised in that: described narrow band pass filter is
780nm narrow band pass filter or 808nm narrow band pass filter or 810nm narrow band pass filter or 830nm narrow band pass filter or
845nm narrow band pass filter or 850nm narrow band pass filter or 860nm narrow band pass filter or 870nm narrow band pass filter or
880nm narrow band pass filter or 905nm narrow band pass filter or 940nm narrow band pass filter or 980nm narrow band pass filter or
1000nm narrow band pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074131.9U CN205541427U (en) | 2016-01-26 | 2016-01-26 | Vehicle license plate recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074131.9U CN205541427U (en) | 2016-01-26 | 2016-01-26 | Vehicle license plate recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205541427U true CN205541427U (en) | 2016-08-31 |
Family
ID=56769627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620074131.9U Expired - Fee Related CN205541427U (en) | 2016-01-26 | 2016-01-26 | Vehicle license plate recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205541427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410594A (en) * | 2018-12-18 | 2019-03-01 | 宁波镭基光电技术有限公司 | A kind of Vehicle License Plate Recognition System and method |
| CN110857064A (en) * | 2018-08-24 | 2020-03-03 | 上海汽车集团股份有限公司 | Device and method for generating driving intention instruction |
-
2016
- 2016-01-26 CN CN201620074131.9U patent/CN205541427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857064A (en) * | 2018-08-24 | 2020-03-03 | 上海汽车集团股份有限公司 | Device and method for generating driving intention instruction |
| CN109410594A (en) * | 2018-12-18 | 2019-03-01 | 宁波镭基光电技术有限公司 | A kind of Vehicle License Plate Recognition System and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180918 Address after: 310000 185, 1 / F, 4 building, 9 Ring Road, Jianggan District nine, Hangzhou, Zhejiang. Patentee after: Zhejiang Cloud View Data Technology Co., Ltd. Address before: 315200 No. 777, Zhong Guan Xi Road, Zhuang City Street, Zhenhai District, Ningbo, Zhejiang. Patentee before: Zhejiang Zhong Ying Zai Xian Internet Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200126 |