CN202404230U - Device for regulating radar visual axis - Google Patents
Device for regulating radar visual axis Download PDFInfo
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- CN202404230U CN202404230U CN2011205542501U CN201120554250U CN202404230U CN 202404230 U CN202404230 U CN 202404230U CN 2011205542501 U CN2011205542501 U CN 2011205542501U CN 201120554250 U CN201120554250 U CN 201120554250U CN 202404230 U CN202404230 U CN 202404230U
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- radar
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- signal
- optical axis
- reflecting plate
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- Optical Radar Systems And Details Thereof (AREA)
Abstract
The utility model relates to a device for regulating a radar visual axis, which is characterized by comprising a visual axis regulating control system, a radar and a signal reflector, wherein the visual axis regulating control system comprises a configuring module, a judging module, a recording module, an average value calculating module and an outputting module, wherein the signal reflector comprises a reflection board and a regulation support; the radar is arranged on the front end of the vehicle, the signal reflector is arranged on the right ahead of the vehicle, the configuring module sends a trim angle of the radar to be configured to the radar, the radar sends a signal to the reflection board, the radar sends a received feedback signal to the judging module, the judging module is used for judging the received feedback signal and sending the radar trim angle value of determining a radar signal reflected by the reflection board to the recording module, the recording module records and sends the received trim angle value to the average value calculating module, the calculating average value sends the calculated average value to the outputting module, and the outputting module assigns the average value as an ideal value of the radar trim angle to the radar. The device for regulating the radar visual axis can be suitable for the adjustment of the radar visual axis when being used for installing the radar in a vehicle.
Description
Technical field
The utility model relates to method and the device that a kind of radar is demarcated, particularly about a kind of device that is applicable to the adjustment radar optical axis that guarantees ride safety of automobile.
Background technology
Along with the continuous development of auto manufacturing and the raising day by day of automobile popularity rate, this means of transportation easily and efficiently of automobile has shown its drawback---danger gradually.In order to guarantee ride safety of automobile, on the existing automobile many safety features have been installed, be two types basically: one type is for avoiding accident that the active safety measure that is provided with takes place; Another kind of is the back to take place for alleviating the passive security measure that damage sequence is provided with in accident.FCW in the active safety measure (preceding hit warning), DCA (it is auxiliary that distance keeps), ACC (adaptive cruise control), EBR (brake hard is auxiliary), PCV (crash protection in advance) and LCA drive assist systems such as (change and assist) all need rely on trailer-mounted radar to realize.
Millimetre-wave radar is widely used in the car steering backup system because of it has round-the-clock, advantages such as resolution is high, multiple target detection.Millimetre-wave radar can be through receiving target thing reflection the relative distance, relative velocity etc. of echoed signal detection of a target thing.If the direction that radar is installed is improper, the situation less than front truck then might appear discerning.Existing radar mounting direction method of adjustment is that reverberation mark is set on given position in the prior art, and the intensity that whether can detect the reflected signal that above-mentioned reverberation is marked with and receives according to detecting device is adjusted the receiving and transmitting signal direction of radar.Prior art also has the method that detects and proofread and correct trailer-mounted radar horizontal axis shifting amount, and this kind method can effectively be eliminated radar optical axis side-play amount in the horizontal direction.But, even be right against under the situation of the place ahead object, if the radar angle of pitch is excessive or too small at radar mounting direction; Also might discern, cause running car dangerous, if for example there is 1 ° error in the radar angle of pitch less than front truck; To produce the vertical range error of 1.75m at the 100m place; This possibly cause the radar beam sweep limit to cover not the automobile on the road surface, 100m place, and identification is caused danger less than front truck easily.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides a kind of device that in the radar installation process, can select the adjustment radar optical axis that the desirable angle of pitch adjusts the radar optical axis automatically.
For realizing above-mentioned purpose; The utility model is taked following technical scheme: a kind of device of adjusting the radar optical axis; It is characterized in that: it comprises an optical axis adjustment control system, a radar and a signal reflectors; Said optical axis adjustment control system comprises a configuration module, a judge module, a logging modle, a calculating mean value module and an output module, and said signal reflectors comprises that a reflecting plate and supports the adjusting support of said reflecting plate; Said radar is arranged on automotive front end; Said signal reflectors is arranged on the dead ahead of said automobile; And said reflecting plate is over against the center of said radar; Said configuration module sends to said radar with the radar angle of pitch of configuration, and said radar emission signal is to said reflecting plate, and said radar sends to said judge module with the feedback signal that receives; Judge receiving feedback signal by said judge module; And the radar angle of pitch value will define the radar signal through said baffle reflection the time sends to said logging modle, sends to said calculating mean value module by the said logging modle record and the said angle of pitch value that will receive, behind said calculating mean value module calculating mean value; Send to said output module, said output module is given said radar with said mean value as the ideal value assignment of the radar angle of pitch.
Said optical axis adjustment control system adopts notebook computer as operation platform, and said notebook computer utilizes a USBCAN adapter to connect a CAN card, and the output terminal of said CAN card connects said radar.
The reflecting plate of said signal reflectors adopts metal material to be made, and said adjusting support adopts nonmetallic materials to be made.
Said adjusting support is a tripod; The top center of said tripod is provided with a sleeve; Be provided with a longitudinal fluting in the said sleeve; Plug a boom in the said groove, said sleeve outer wall be provided with one can penetrate said loop bar locked instrument, the top of said boom connects said reflecting plate through a coupling arrangement.
The utility model is owing to take above technical scheme; It has the following advantages: 1, the utility model is owing to be provided with the optical axis adjustment control system, radar and signal reflectors; Can automatically change the angle of pitch by control radar in the optical axis adjustment control system; After the radar angle of pitch circulates one-period, calculate all mean values in one-period, and give radar automatically as radar angle of pitch ideal value this mean value through the angle of pitch of signal reflectors reflected back radar beam; This process need not to carry out demarcation and the adjustment of the radar optical axis that manual intervention just can be accomplished radar automatically, and is easy to operate.2, the radar angle of pitch ideal value of the utility model just can be accomplished radar demarcation and the adjustment of the radar optical axis after fixing on radar angle of pitch circulation one-period really automatically, therefore can shorten the adjustment cycle of the radar optical axis effectively.3, the adjusting support of signal reflectors setting can be adjusted the height of reflecting plate according to the setting height(from bottom) of radar in the utility model, so the utility model goes for the automobile of different styles.When the utility model can be widely used in the automobile radar is installed in the adjustment of the radar optical axis.
Description of drawings
Fig. 1 is the method flow diagram of the utility model;
Fig. 2 is an experiment scene synoptic diagram among the utility model embodiment;
Fig. 3 is the schematic side view of Fig. 2;
Fig. 4 is the apparatus structure block diagram of the utility model;
Fig. 5 is the reflection board structure synoptic diagram of the utility model signal reflectors;
Fig. 6 is that synoptic diagram is looked on the left side of Fig. 5;
Fig. 7 is the structural representation that the utility model is regulated support.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
Shown in Fig. 1～4; The device of the adjustment radar optical axis of the utility model comprises an optical axis adjustment control system 1, a radar 2 and a signal reflectors 3; Optical axis adjustment control system 1 comprises a configuration module, a judge module, a logging modle, a calculating mean value module and an output module; Signal reflectors 3 comprises the adjusting support of a reflecting plate and a supporting reflex plate, and the method for the utility model adjustment radar optical axis may further comprise the steps:
1) radar 2 is installed in the front end center of automobile 4; Signal reflectors 3 is placed on about 5m place, automobile 4 dead aheads that radar 2 is installed; The adjusting support of adjustment signal reflectors 3 makes reflecting plate center and radar 2 centers height such as grade, and promptly the reflecting plate center is over against radar 2 centers; This moment, the radar angle of pitch did not dispose, and initial value i is 0 °.
In order to make the reflecting plate center can be over against radar 2 centers; Can adopt the method for laser aiming; Promptly utilize a laser pen; Make the laser pen emitted light beams pass the center line of automobile 4 front and back glass, the position of adjustment reflecting plate makes the laser pen emitted light beams just in time beat the vertical centerline at reflecting plate; Guaranteed longitudinal center's face (annotate: along the central plane of vehicle traveling direction) of automobile and the vertical center line of reflecting plate (annotate: the coplane center line of vertical direction), adjust reflecting plate again and make its center identical with radar 2 centers apart from the height on ground apart from the height on ground.
2) configuration module is set radar angle of pitch setting range and adjustment step-length according to the radar of being selected for use; Radar 2 models that adopted among the utility model embodiment are Continental ARS308; The setting range of its radar 2 angles of pitch is 0～32 °; The adjustment step-length is 0.25 ° (as example, being not limited thereto).
3) configuration module is i according to the adjustment step-length configuration radar angle of pitch, and concurrent delivery is put signal and given radar 2, when radar 2 receives configuration signal, the angle of pitch is adjusted to i, and the emission radar signal is to reflecting plate.
4) radar 2 sends to judge module with the feedback signal that receives; Judge module is judged the fore-and-aft distance and the width of the object information of carrying in the feedback signal; Whether the fore-and-aft distance of judging feedback signal is the distance between radar 2 and the signal reflectors 3, and whether the width of feedback signal is the width of reflecting plate, if fore-and-aft distance is all corresponding identical with width; Then thinking has the radar signal of returning through baffle reflection in the feedback signal, and promptly radar 2 scans reflecting plate.In the present embodiment; Distance between signal reflectors 3 and the radar 2 is 5m; The width of reflecting plate is 20mm, then if the fore-and-aft distance of judging feedback signal between 4m～6m and the width of signal think then that in 0.5m feedback signal has the radar signal through baffle reflection.
5) judge module is judged when radar signal that baffle reflection returns, just will this moment pairing radar angle of pitch value i send in the logging modle.
6) judge by configuration module whether radar angle of pitch i reaches the maximal value of setting range:
If 1. do not reach the maximal value of setting range, then get into step 3);
If 2. reach the maximal value of setting range, then get into step 7).
7) all angle of pitch values that write down in the logging modle are sent to the calculating mean value module, calculate the mean value x of all radar angles of pitch of record, and this mean value x is sent to output module by the calculating mean value module.
8) output module is given radar 2 with this mean value as the ideal value assignment of the radar angle of pitch, accomplishes the demarcation of radar 2.
As shown in Figure 4; In the foregoing description; Optical axis adjustment control system 1 is based on programme controlled, can adopt LabView, Matlab or C language development, and notebook computer is more more convenient, succinct than industrial computer; The utility model adopts operation (program run) platform of notebook computer as optical axis adjustment control system 1; Because notebook computer does not have CAN (bus) interface, therefore utilize notebook computer to pass through a USBCAN adapter and connect the CAN card, the output terminal of CAN card connects radar 2 through data line.
Like Fig. 5, shown in Figure 6; Among above-mentioned each embodiment; Reflecting plate 31 is L shaped, can adopt the sheet steel of bending to process and also can select for use other metal material to process, and the plane that is used for radar signal reflected requires smooth surface; Its shape can be set to rectangle, and the size of reflecting plate 31 can be confirmed according to distance between radar 2 and the signal reflectors 3.
As shown in Figure 7, among above-mentioned each embodiment, regulating support 32 is a tripod 321; The top of tripod 321 is provided with a sleeve 322, and sleeve 322 inwalls are provided with longitudinal fluting, is inserted with a boom 323 in the sleeve 322; The groove of corresponding sleeve 322, the outer wall of boom 323 is provided with convexity.During use, in the groove of the convexity of boom 323 insertion sleeve 322 boom 323 can be slided up and down along sleeve 322.The top of boom 323 is fixedly connected with a coupling arrangement; Coupling arrangement comprises a L shaped web joint 324 and a leveling board 325; L shaped web joint 324 articulates through a circular shaft 326 with leveling board 325; Can pass circular shaft 326 location through a bolt during use, leveling board 325 tops connect the bottom of reflecting plate 31 through bolt, leveling board 525 tops also be provided with one be used to adjust reflecting plate 31 levelnesss the level meter (not shown).The inwall of sleeve 322 is embedded with a friction block (not shown); Corresponding with the friction block position, be provided with on the sleeve 322 one penetrate its outer wall locked instrument 327, locked instrument 327 adopts a bolt; Bolt withstands friction block; When screwing bolt, produce friction force obstruction boom 323 between friction block and the boom 323 and move up and down, lock boom 323 at a certain height this moment; When unclamping bolt, do not produce friction force between friction block and the boom 323, boom 323 can move up and down.Boom 323 is provided with the scale value of real-time demonstration reflecting plate 31 center height, according to actual conditions, adjust the height of reflecting plate 31 after, utilize locked instrument 327 with boom 323 locking.
Among above-mentioned each embodiment, regulate support 32 and adopt not that the nonmetallic materials of radar signal reflected are made.
Among above-mentioned each embodiment; When signal reflectors 3 is positioned over the dead ahead of automobile; Require road surface between radar 2 and the signal reflectors 3 smooth and do not have other barriers, and also do not have other barriers in the signal reflectors 3 peripheral certain limits, if because around signal reflectors 3, also there is the barrier that other can radar signal reflected; Maybe be when radar 2 receive signal reflectors 3 radar signals reflected; Think it is signal reflectors 3 radar signals reflected by mistake receiving other barrier radar signals reflected, the radar angle of pitch mean value that causes calculating possibly not be to be the desirable angle of pitch, makes the adjustment of the radar optical axis deviation occur; In the present embodiment, there are not other barriers in long 10 meters, wide 6 meters rectangular region around the signal reflectors 3.
Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, step etc. that position, connected mode and implementation method are set all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (5)
1. device of adjusting the radar optical axis; It is characterized in that: it comprises an optical axis adjustment control system, a radar and a signal reflectors; Said optical axis adjustment control system comprises a configuration module, a judge module, a logging modle, a calculating mean value module and an output module, and said signal reflectors comprises that a reflecting plate and supports the adjusting support of said reflecting plate; Said radar is arranged on automotive front end; Said signal reflectors is arranged on the dead ahead of said automobile; And said reflecting plate is over against the center of said radar; Said configuration module sends to said radar with the radar angle of pitch of configuration, and said radar emission signal is to said reflecting plate, and said radar sends to said judge module with the feedback signal that receives; Judge receiving feedback signal by said judge module; And the radar angle of pitch value will define the radar signal through said baffle reflection the time sends to said logging modle, sends to said calculating mean value module by the said logging modle record and the said angle of pitch value that will receive, behind said calculating mean value module calculating mean value; Send to said output module, said output module is given said radar with said mean value as the ideal value assignment of the radar angle of pitch.
2. a kind of device of adjusting the radar optical axis as claimed in claim 1; It is characterized in that: said optical axis adjustment control system adopts notebook computer as operation platform; Said notebook computer utilizes a USBCAN adapter to connect a CAN card, and the output terminal of said CAN card connects said radar.
3. a kind of device of adjusting the radar optical axis as claimed in claim 1 is characterized in that: the reflecting plate of said signal reflectors adopts metal material to be made, and said adjusting support adopts nonmetallic materials to be made.
4. a kind of device of adjusting the radar optical axis as claimed in claim 2 is characterized in that: the reflecting plate of said signal reflectors adopts metal material to be made, and said adjusting support adopts nonmetallic materials to be made.
5. like claim 1 or 2 or 3 or 4 described a kind of devices of adjusting the radar optical axis; It is characterized in that: said adjusting support is a tripod; The top center of said tripod is provided with a sleeve, is provided with a longitudinal fluting in the said sleeve, plugs a boom in the said groove; Said sleeve outer wall be provided with one can penetrate said loop bar locked instrument, the top of said boom connects said reflecting plate through a coupling arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205542501U CN202404230U (en) | 2011-12-27 | 2011-12-27 | Device for regulating radar visual axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205542501U CN202404230U (en) | 2011-12-27 | 2011-12-27 | Device for regulating radar visual axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202404230U true CN202404230U (en) | 2012-08-29 |
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ID=46701870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205542501U Expired - Fee Related CN202404230U (en) | 2011-12-27 | 2011-12-27 | Device for regulating radar visual axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202404230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353734A (en) * | 2016-08-23 | 2017-01-25 | 孟玲 | Radar boresight regulating device |
-
2011
- 2011-12-27 CN CN2011205542501U patent/CN202404230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353734A (en) * | 2016-08-23 | 2017-01-25 | 孟玲 | Radar boresight regulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHANG DEZHAO Free format text: FORMER OWNER: BEIJING INTELLIDRIVE AUTOMOTIVE ELECTRONIC TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20150414 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100192 CHANGPING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150414 Address after: 100192 Northern Territory of Zhongguancun Dongsheng Science Park, Haiti District, Beijing, C1211 Patentee after: Zhang Dezhao Address before: 100192, Beijing, Haidian District, 66 North West Road, Dongsheng Science Park North Territory C1-211 Patentee before: Beijing Zhihua Yuxin Automobile Electronic Technology Development Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100192, Beijing, Haidian District, Zhongguancun Dongsheng Science Park North Territory C1211 Patentee after: Zhang Dezhao Address before: 100192 Northern Territory of Zhongguancun Dongsheng Science Park, Haiti District, Beijing, C1211 Patentee before: Zhang Dezhao |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150914 Address after: 8, 97 B511, Changping Road, Shahe Town, Beijing, Changping District, 102206 Patentee after: BEIJING ZHIXINGZHE TECHNOLOGY CO., LTD. Address before: 100192, Beijing, Haidian District, Zhongguancun Dongsheng Science Park North Territory C1211 Patentee before: Zhang Dezhao |
|
| 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: 20120829 Termination date: 20171227 |