CN203116856U - System of lens automatically zooming along with vehicle speed - Google Patents
System of lens automatically zooming along with vehicle speed Download PDFInfo
- Publication number
- CN203116856U CN203116856U CN 201220580011 CN201220580011U CN203116856U CN 203116856 U CN203116856 U CN 203116856U CN 201220580011 CN201220580011 CN 201220580011 CN 201220580011 U CN201220580011 U CN 201220580011U CN 203116856 U CN203116856 U CN 203116856U
- Authority
- CN
- China
- Prior art keywords
- infrared
- speed
- vehicle
- zoom
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Studio Devices (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
A system in which a lens automatically zooms along with a vehicle speed belongs to the vehicle safety driving field. The system comprises an infrared night vision device, an infrared continuous zoom lens, a control circuit, a zoom lens driving unit, a vehicle speed sensor, wherein the infrared night vision device is installed on a vehicle steering servo mechanism of a vehicle-mounted infrared night auxiliary driving system and can carry out infrared imaging according to a vehicle front pavement state; the infrared continuous zoom lens is installed on a front portion of the infrared night vision device, automatically zooms along with variation of the speed and collects an infrared light signal of a vehicle front object; the control circuit is arranged in the infrared night vision device, receives and processes speed information transmitted by the vehicle speed sensor, analyzes and calculates the information, and emits a lens zoom control instruction; the zoom lens driving unit receives the lens zoom control instruction emitted by the control circuit and drives the infrared continuous zoom lens to zoom; the vehicle speed sensor is installed on an output shaft of a vehicle speed changer, inducts the speed change in real time and outputs real-time speed information to the control circuit of the infrared night vision device. By using the system of the utility model, driving safety is increased.
Description
Technical field
The present invention relates to the automobile night safe and drive the field, particularly relate to a kind of camera lens with the system and method for speed of a motor vehicle autozoom.
Background technology
Existing thermal infrared imager DAS (Driver Assistant System) at night, its infrared lens fixed focal length, the best observed range of infrared image also is fixing, and best infrared image observed range is arranged in stationary state or certain specific speed of a motor vehicle.But when the vehicle actual travel, the different speed of a motor vehicle but are different to the reaction distance that the driver tackles emergency case.Such as: be under 40 kilometers/hour the situation in speed per hour, driver's reaction distance is 15 meters and (that is to say under speed per hour is 40 kilometers/hour situation, just there is time enough to make the reply reaction when beyond 15 meters, seeing accident), and under the situation of 100 kilometers/hour of speed per hours, driver's reaction distance is 50 meters.So existing thermal infrared imager DAS (Driver Assistant System) at night can not offer the infrared image observed range of driver's the best under each vehicle speed condition, when particularly running at high speed, if observed range is not enough relatively, can not in time see emergency case clearly, can bring certain potential safety hazard to driving, thermal infrared imager DAS (Driver Assistant System) at night brings driver's safety coefficient and also has a greatly reduced quality.
Summary of the invention
In order to overcome the defective of prior art, the present invention is by adopting camera lens with speed of a motor vehicle automatic focusing system, no matter solved in the existing thermal infrared imager DAS (Driver Assistant System) at night under any speed of a motor vehicle the shortcoming that the best observed range of its infrared image and field angle are all fixed.By the vehicle speed sensor induction speed of a motor vehicle, control the infrared lens zoom automatically, make the driver like this when the speed of a motor vehicle is slow, see extensivelyr, when the speed of a motor vehicle is very fast, then see fartherly.Like this, to the different speed of a motor vehicle and different driving environments, the driver can both find emergency case early, thereby has the more sufficient time to go reply, and the generation that avoids traffic accident strengthens the security of driving at night.
Particularly, this camera lens with speed of a motor vehicle automatic focusing system in order to realize such goal of the invention: gather the information that vehicle speed sensor transmits, by little processing and control element (PCE), the speed information that collects is carried out analytical calculation generate the camera lens zoom control signal, be sent to infrared continuous magnification lens, infrared continuous magnification lens carries out zoom at the speed information of collecting, make infrared image under any speed of a motor vehicle the optimal viewing distance can both be arranged, the emergency case of tackling the place ahead for the driver provides the enough reaction time.
For achieving the above object, the invention provides a kind of camera lens with the system of speed of a motor vehicle autozoom, this system comprises: infrared viewing device, be installed on the Vehicular turn follower of DAS (Driver Assistant System) at vehicle-mounted infrared night, and can be at vehicle front pavement behavior infrared imaging; Infrared continuous magnification lens is installed in the infrared viewing device front portion, along with the variation autozoom of the speed of a motor vehicle, the infrared signal of collection vehicle objects in front; Control circuit is arranged on infrared viewing device inside, and the speed information that acceptance and processing vehicle speed sensor transmit carries out analytical calculation to information, sends camera lens zoom steering order; The camera lens zoom steering order that zoom lens driver element, reception control circuit send drives infrared continuous magnification lens zoom; Vehicle speed sensor is installed on the transmission for vehicles output shaft, and this vehicle speed sensor is responded to the speed of a motor vehicle in real time and changed, and exports real-time speed information to the infrared viewing device control circuit.
According to embodiments of the invention, wherein this infrared viewing device further comprises: LCDs, and be installed in the pilothouse of vehicle and with this infrared viewing device and be connected, this LCDs shows the infrared chart that this infrared viewing device is taken.
According to embodiments of the invention, wherein this control circuit comprises: information acquisition unit, be responsible for gathering the speed information that vehicle speed sensor is uploaded; Little processing and control element (PCE) (MCU), the speed information that the information acquisition unit collection is come carries out analytical calculation, and sends zoom instructions to the zoom lens driver element.
According to embodiments of the invention, wherein, this little processing and control element (PCE) (MCU) comprising:
Computing module is connected with this information acquisition unit, this computing module based on from the speed information of this information acquisition unit to obtain the zoom information of autozoom camera lens;
Control module is connected with this computing module, based on generating described control information from the described speed information of this computing module, and exports described control information to described zoom lens driver element.
According to embodiments of the invention, described zoom lens driver element is connected with described control module, and the described output control information based on from this control module drives infrared continuous magnification lens zoom.
Technique scheme has following beneficial effect: a kind of camera lens of the present utility model is installed on the vehicle with the system of speed of a motor vehicle autozoom, so that the technology of camera lens with speed of a motor vehicle autozoom to be provided, the vehicle that travels at the different speed of a motor vehicle, when vehicle speed sensor detected the speed of a motor vehicle less than 40KM/h, camera lens zoom drive circuit control camera lens was to be in 1X; When the speed of a motor vehicle during greater than 40KM/h, camera lens begins zoom; When 40KM/h≤speed of a motor vehicle≤60KM/h, camera lens is in 1X to 1.5X; When 60KM/h≤speed of a motor vehicle≤80KM/h, camera lens is in 1.5X to 2X; When the speed of a motor vehicle during greater than 80KM/h, camera lens is at 2X.This zoom lens can become the zoom lens of bigger change multiple according to the actual requirements.This system provides best infrared chart to the driver, is convenient to the driver and makes judgement more accurately according to road conditions, thereby slowed down driver's pressure.
Description of drawings
Fig. 1 be among the embodiment of the present utility model camera lens with the block scheme of speed of a motor vehicle automatic focusing system.
Fig. 2 be among the utility model embodiment camera lens with the control circuit figure of speed of a motor vehicle automatic focusing system.
Fig. 3 be among the utility model embodiment camera lens with the process flow diagram of speed of a motor vehicle automatic focusing system.
Description of reference numerals wherein is as follows:
The 110-vehicle speed sensor
The 120-infrared viewing device
The 122-information acquisition unit
The 210-control circuit
The little processing and control element (PCE) of 124-
The 222-computing module
The 224-control module
126-zoom lens driver element
The infrared continuous magnification lens of 128-
The 140-LCDs
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with embodiment and accompanying drawing, embodiment of the present utility model is done explanation in further detail.At this, the utility model be used for is explained in illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
As shown in Figure 1, be the block scheme of camera lens in the present embodiment with speed of a motor vehicle automatic focusing system, this system comprises: infrared viewing device 120, be installed on the Vehicular turn follower of DAS (Driver Assistant System) at vehicle-mounted infrared night, and can be at the pavement behavior infrared imaging; Infrared continuous magnification lens 128 is installed in the infrared viewing device front portion, along with the variation autozoom of the speed of a motor vehicle, the infrared signal of collection vehicle objects in front; Control circuit 210 is arranged on infrared viewing device inside, and the speed information that acceptance and processing vehicle speed sensor transmit carries out analytical calculation to information, sends instruction; The instruction that zoom lens driver element 126, reception control circuit send drives the zoom lens zoom; Vehicle speed sensor 110 is installed on the transmission for vehicles output shaft, and this vehicle speed sensor is responded to the speed of a motor vehicle in real time and changed, and exports real-time speed information to the infrared viewing device control circuit.
This system also comprises LCDs 140, is installed in the pilothouse of vehicle and with this infrared viewing device to be connected, and this LCDs shows the infrared chart that this infrared viewing device is taken.
As shown in Figure 1, this infrared viewing device 120 can be connected with LCDs 140 by vision cable, also can adopt the mode of wireless connections certainly, realizes transmission of video signals.In the present embodiment, this LCDs 140 can also be fixedly mounted on the navigational system position in the pilothouse.According to an embodiment of the present utility model, this LCDs 140 for example can realize that infrared video shows by the display screen of Vehicular navigation system.
As shown in Figure 2: wherein, this infrared viewing device 120 comprises: control circuit 210, be installed in infrared viewing device inside, and this control circuit is gathered the speed information that vehicle speed sensor 110 transmits, and it is carried out analytical calculation, sends instruction and drives the zoom lens zoom.
This control circuit 210 comprises: information acquisition unit 122, and gather the information that transmits from vehicle speed sensor 110, and speed information is sent to little processing and control element (PCE) 124; Little processing and control element (PCE) 124, the speed information that reception information acquisition unit 122 sends carries out analytical calculation, generates zoom instructions; Zoom lens driver element 126 receives the instruction that little processing and control element (PCE) 124 sends, and drives infrared continuous magnification lens zoom; Video output module 130, the infrared chart information that infrared continuous magnification lens is captured is sent to LCDs 140.
Wherein, little processing and control element (PCE) 124 comprises: computing module 222, and the speed information that transmits at information acquisition unit calculates, and exports the result to control module 224; Control module 224 receives the current vehicle speed information calculations result who transmits from computing module 222, generates control signal simultaneously, exports zoom lens driver element 126 to.
Fig. 3 is camera lens with the workflow diagram of speed of a motor vehicle automatic focusing system: step 310 illustrates vehicle speed sensor and exports speed information in real time to signal gathering unit; Step 312 illustrates the signal gathering unit collection from the vehicle speed signal of vehicle speed sensor, exports computing module to; Step 314 illustrates computing module and calculates based on speed information, obtains the zoom information of autozoom camera lens, exports control module to; Step 316 illustrates the speed of a motor vehicle result of calculation of control module reception computing module output and generates control signal and exports the zoom lens driver element to; Step 318 illustrates the instruction that zoom lens driver element reception control circuit sends, and drives the zoom lens zoom; Step 320 illustrates zoom lens and receives the instruction zoom.
In above-described embodiment, vehicle speed sensor is that automobile is existing, all automobiles all can have vehicle speed sensor, possible mode is different, and (magneto-electric, Hall-type, photo-electric etc. are arranged), but no matter the sort of mode, this camera lens can both enter signal with speed of a motor vehicle automatic focusing system, with different signals collecting speed informations, (MCU) judges the speed of a motor vehicle by little processing and control element (PCE) according to different modes, and indication zoom lens driver element zoom.
In above-described embodiment, technique scheme has following beneficial effect: a kind of camera lens of the present utility model is installed on the vehicle with the system of speed of a motor vehicle autozoom, so that the technology of camera lens with speed of a motor vehicle autozoom to be provided, thereby make the driver can both easily grasp the road surface situation under any speed of a motor vehicle, no matter improve is daytime or the security of night running.Further, at the vehicle that the different speed of a motor vehicle are travelled, when vehicle speed sensor detected the speed of a motor vehicle less than 40KM/h, camera lens zoom drive circuit control camera lens was to be in 1X; When the speed of a motor vehicle during greater than 40KM/h, camera lens begins zoom; When 40KM/h≤speed of a motor vehicle≤60KM/h, camera lens is in 1X to 1.5X; When 60KM/h≤speed of a motor vehicle≤80KM/h, camera lens is in 1.5X to 2X; When the speed of a motor vehicle during greater than 80KM/h, camera lens is at 2X.This zoom lens can be altered to the zoom lens of bigger change multiple according to the actual requirements.This system provides best infrared chart to the driver, is convenient to the driver and makes judgement more accurately according to road conditions, thereby slowed down driver's pressure.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a camera lens is characterized in that with the system of speed of a motor vehicle autozoom this system comprises:
Infrared viewing device (120) is installed on the Vehicular turn follower of DAS (Driver Assistant System) at vehicle-mounted infrared night, can be at vehicle front pavement behavior infrared imaging;
Infrared continuous magnification lens (128) is installed in the infrared viewing device front portion, along with the variation autozoom of the speed of a motor vehicle, the infrared signal of collection vehicle objects in front;
Control circuit (210) is arranged on infrared viewing device (120) inside, and the speed information that acceptance and processing vehicle speed sensor transmit carries out analytical calculation to information, sends camera lens zoom steering order;
Zoom lens driver element (126), the camera lens zoom steering order that reception control circuit (210) sends drives infrared continuous magnification lens (128) zoom;
Vehicle speed sensor (110) is installed on the transmission for vehicles output shaft, and this vehicle speed sensor (110) is responded to the speed of a motor vehicle in real time and changed, and exports real-time speed information to infrared viewing device control circuit (210).
2. camera lens according to claim 1 is characterized in that with the system of speed of a motor vehicle autozoom, and this infrared viewing device (120) comprising:
LCDs (140) is installed in the pilothouse of vehicle and with this infrared viewing device (120) and is connected, and this LCDs (140) shows the infrared chart that this infrared viewing device (120) is taken.
3. camera lens according to claim 1 is characterized in that with the system of speed of a motor vehicle autozoom, and this control circuit (210) comprising:
Information acquisition unit (122) is responsible for gathering the speed information that transmits from vehicle speed sensor;
Little processing and control element (PCE) (124), the speed information that the information acquisition unit collection is come carries out analytical calculation, and sends zoom instructions to zoom lens driver element (126).
4. camera lens according to claim 3 is characterized in that with the system of speed of a motor vehicle autozoom, and this little processing and control element (PCE) (124) comprising:
Computing module (222) is connected with this information acquisition unit (122), this computing module (222) based on from the speed information of this information acquisition unit (122) to obtain the zoom information of autozoom camera lens;
Control module (224) is connected with this computing module (222), based on generating described control information from the described speed information of this computing module (222), and exports described control information to described zoom lens driver element (126).
5. camera lens according to claim 1 is with the system of speed of a motor vehicle autozoom, it is characterized in that, described zoom lens driver element (126) is connected with described control module (224), based on the described output control information from this control module (224), drive infrared continuous magnification lens (128) zoom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220580011 CN203116856U (en) | 2012-10-30 | 2012-10-30 | System of lens automatically zooming along with vehicle speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220580011 CN203116856U (en) | 2012-10-30 | 2012-10-30 | System of lens automatically zooming along with vehicle speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116856U true CN203116856U (en) | 2013-08-07 |
Family
ID=48897192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220580011 Expired - Lifetime CN203116856U (en) | 2012-10-30 | 2012-10-30 | System of lens automatically zooming along with vehicle speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067495A (en) * | 2017-04-10 | 2017-08-18 | 江苏车视杰电子有限公司 | A kind of drive recorder with autofocus adjustment function |
| CN109239729A (en) * | 2018-09-28 | 2019-01-18 | 北京理工大学 | A kind of unmanned change visual field solid-state face battle array laser radar range system and method |
-
2012
- 2012-10-30 CN CN 201220580011 patent/CN203116856U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067495A (en) * | 2017-04-10 | 2017-08-18 | 江苏车视杰电子有限公司 | A kind of drive recorder with autofocus adjustment function |
| CN109239729A (en) * | 2018-09-28 | 2019-01-18 | 北京理工大学 | A kind of unmanned change visual field solid-state face battle array laser radar range system and method |
| CN109239729B (en) * | 2018-09-28 | 2024-05-28 | 北京理工大学 | Unmanned variable-view-field solid-state area array laser radar ranging system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1892149B1 (en) | Method for imaging the surrounding of a vehicle and system therefor | |
| US8896690B2 (en) | Image acquisition system and method for distance determination using an image recording system | |
| CN201484287U (en) | Automobile rear-end collision safety warning device | |
| CN104015725B (en) | A kind of lane departure warning method based on comprehensive decision | |
| CN105291984A (en) | Pedestrian and vehicle detecting method and system based on multi-vehicle cooperation | |
| CN103661365B (en) | A kind of method improving vehicle meeting security | |
| CN102529812B (en) | System of vehicle night vision camcorder and method realizing system | |
| CN202345534U (en) | Intelligent warning system for lane changing of automobiles | |
| JP2015139128A (en) | Vehicular periphery monitoring device | |
| CN102424017A (en) | Intelligent automobile lane change warning system and warning method thereof | |
| CN102663352A (en) | Track identification method | |
| CN103692993A (en) | Binocular far infrared intelligent assistant safety driving system | |
| CN113706883B (en) | Tunnel section safe driving system and method | |
| JP4848644B2 (en) | Obstacle recognition system | |
| CN103608217A (en) | Retrofit parking assistance kit | |
| CN105416175A (en) | Backing and merging auxiliary system and auxiliary method | |
| CN107215302A (en) | Car accident prewarning monitoring system | |
| JP5274984B2 (en) | Driving support system | |
| CN109874099B (en) | Networking vehicle-mounted equipment flow control system | |
| CN203116856U (en) | System of lens automatically zooming along with vehicle speed | |
| CN105459891A (en) | Intelligent automobile travelling brake control system | |
| CN207216868U (en) | A kind of crossing inlet track vehicle guiding signal control device | |
| CN210526396U (en) | Intelligent auxiliary driving system | |
| CN209617006U (en) | A kind of heavy truck eliminates the trajectory predictions and radar warning system of lubrication groove difference blind area | |
| CN111038393A (en) | Lane keeping detection system for automobile rearview mirror and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |