CN206440819U - The vehicle-mounted range unit that tests the speed - Google Patents
The vehicle-mounted range unit that tests the speed Download PDFInfo
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- CN206440819U CN206440819U CN201720101176.5U CN201720101176U CN206440819U CN 206440819 U CN206440819 U CN 206440819U CN 201720101176 U CN201720101176 U CN 201720101176U CN 206440819 U CN206440819 U CN 206440819U
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- speed
- signal
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Abstract
The vehicle-mounted range unit that tests the speed disclosed in the utility model, Radar Detection module is set, utilize detections of radar speed and spacing, testing result is from environmental disturbances, the signal of acquisition, which is inputted to Signal-regulated kinase, to be nursed one's health, input again to controller module, by controller module spacing and speed are calculated with active computer program, and shown by display module, use radar velocity measurement ranging, and acquired signal is nursed one's health, the accuracy of signal input is improved, the accuracy of measurement data is improved；Sound and light alarm module is additionally provided with, when the speed and distance signal detected value default less than controller module, starts sound and light alarm module, reminds car owner's regulation speed and spacing；Brake module is additionally provided with, when the speed and distance signal detected value default less than controller module, controller module control brake module controls throttle valve and brake valve by brake module, speed and spacing automatically controlled, to ensure vehicle safety.
Description
Technical field
The utility model is related to vehicle-mounted detecting system, and in particular to the vehicle-mounted range unit that tests the speed.
Background technology
In recent years, Domestic Automotive Industry development reaches a new level, and car owning amount constantly rises per capita for China, road traffic
Safety problem also becomes increasingly conspicuous, aggravated, and traffic accident takes place frequently, wherein expressway probability of happening highest, and furious driving is chief-criminal's misfortune
It is first.
It is difficult to be controlled in real time in the process of driver driving vehicle to drive over the speed limit, and therefore, in driving procedure, car is controlled in real time
The operating range of travel speed and holding and other vehicles is just particularly important.The mode of existing vehicle speed measuring ranging has ultrasound
Ripple method, laser method and video surveillance method.Supercritical ultrasonics technology detection is rapidly, conveniently, it is easy to which control in real time, its shortcoming is at a distance
Detectivity is poor, temperature stability is poor；The shortcoming of laser method be smog, dust weight environment under, poor performance, climate shadow
Ring big；The dark penetration capacity of video surveillance method is weak, under smog, the environment of dust weight, poor performance.
Preferably propose one kind test the speed ranging when not by distance, environmental constraints, and detection data are accurate, obtained speed,
Apart from the also accurate vehicle-mounted range unit that tests the speed.
Utility model content
The utility model provides the vehicle-mounted range unit that tests the speed, and the data for solving existing vehicle-mounted range-measurement system presence of testing the speed are accurate
The problem of spending low.
The vehicle-mounted range unit that tests the speed, including Radar Detection module, Signal-regulated kinase, controller module and display mould
Block；
The output end of the Radar Detection module is connected with the input of Signal-regulated kinase；The Signal-regulated kinase
Output end is connected with controller module；The display module is connected with controller module.
Further, in addition to sound and light alarm module；The sound and light alarm module is connected with controller module.
Further, in addition to brake module；The control end of the brake module is connected with controller module, the braking
The output end of module is connected with the throttle valve and brake valve of vehicle.
Further, analog-to-digital conversion module is also included；The input and Signal-regulated kinase of the analog-to-digital conversion module
Output end be connected, the output end of the analog-to-digital conversion module is connected with controller module.
Further, the Signal-regulated kinase includes follower, voltage comparator, programmable amplifier and peakvalue's checking
Device；The input of the follower is connected with the output end of Radar Detection module；The output end all the way and voltage of the follower
The input of comparator is connected；The output end of the voltage comparator is connected with controller module；Another road of the follower
Output end is connected with the input of programmable amplifier；The output end of the programmable amplifier and the input phase of peak detector
Even；The output end of the peak detector is connected with controller module.
Compared with prior art, with following features：
1st, set Radar Detection module, using detections of radar speed and spacing, testing result from environmental disturbances, acquisition
Signal is inputted to Signal-regulated kinase and nursed one's health, then is inputted to controller module, and active computer is used by controller module
Program calculates spacing and speed, and is shown by display module, using radar velocity measurement ranging, and to acquired signal
Nursed one's health, improve the accuracy of signal input, improve the accuracy of measurement data；
2nd, sound and light alarm module is additionally provided with, when the speed and distance signal detected is less than the default value of controller module
When, start sound and light alarm module, remind car owner's regulation speed and spacing；
3rd, brake module is additionally provided with, when the speed and distance signal detected value default less than controller module,
Controller module controls brake module, controls throttle valve and brake valve by brake module, automatically controls speed and spacing, to ensure
Vehicle safety.
Brief description of the drawings
Fig. 1 is the utility model structural principle block diagram.
Embodiment
The utility model is described in further detail with reference to embodiments, but the utility model is not limited to these implementations
Example.
The vehicle-mounted range unit that tests the speed, including Radar Detection module, Signal-regulated kinase, controller module and display mould
Block；The output end of the Radar Detection module is connected with the input of Signal-regulated kinase；The output of the Signal-regulated kinase
End is connected with controller module；The display module is connected with controller module.
Radar Detection module is radar sensor, mainly including transmitter, receiver and frequency mixer, for for vehicle speed measuring
And ranging.When testing the speed, transmitter sends the incidence wave of certain frequency, when target vehicle has relative velocity with vehicle-mounted end, connects
The back wave for occurring Doppler frequency shift will be received by receiving device, and incidence wave and back wave export certain frequency in the presence of frequency mixer
Electric signal, the electric signal characterizes the relative velocity of vehicle-mounted end and target vehicle.During ranging, incidence wave can use angular frequency, wavelength
Represented with field strength, back wave also can represent that field strength shows as magnitude of voltage on electric signal with angular frequency, wavelength and field strength, pass through
The relation of voltage and distance can calibrate the distance of vehicle-mounted end and target vehicle.The dark penetration capacity of radar sensor is strong, i.e.,
Make under the environment in smog, dust, remain to normal operation, it is correct to obtain the distance measuring signal that tests the speed, to ensure the accuracy of measurement,
The distance measuring signal that tests the speed is exported to controller module.
The output signal of radar sensor is mixed frequency signal, and the signal is small, with the change of distance, the change of signal amplitude
Change scope greatly, the output impedance of signal is big, easily loaded by rear polar circuit and the series connection of digital quantity is disturbed, cause to produce sternly
Deformation again, therefore, need to be nursed one's health the output signal of radar sensor.
The Signal-regulated kinase includes follower, voltage comparator, programmable amplifier and peak detector；It is described to follow
The input of device is connected with the output end of Radar Detection module；The output end all the way of the follower and the input of voltage comparator
End is connected；The output end of the voltage comparator is connected with controller module；Another road output end of the follower with it is program control
The input of amplifier is connected；The output end of the programmable amplifier is connected with the input of peak detector；The peak value inspection
The output end for surveying device is connected with controller module.
Follower is used to increase input impedance, reduces output impedance, plays impedance matching, strengthens the work of signal stabilization
With the influence of elimination circuit load and digital quantity to signal.Voltage comparator is used to change the output signal all the way of follower
It for square wave, also can use potentiometer to adjust the value of comparison voltage in actual use, to eliminate the interference of power frequency component, eliminate dry
Signal after disturbing is inputted into controller module.Because the output signal of follower is small-signal, programmable amplifier is used for should
Small-signal is amplified, so as to which the amplitude of signal is kept within the specific limits.Peak detector is used to obtain programmable amplifier
Output signal peak value, input into controller module.
Further comprise analog-to-digital conversion module；The output of the input and Signal-regulated kinase of the analog-to-digital conversion module
End is connected, and the output end of the analog-to-digital conversion module is connected with controller module.The output signal of signal conditioning circuit is simulation
Amount, analog-to-digital conversion module is converted into after digital quantity, is directly inputted into controller module.
Further comprise sound and light alarm module；The sound and light alarm module is connected with controller module.When there is speed
During with spacing scope default beyond controller module, controller module starts sound and light alarm module immediately, reminds car owner timely
Take measures, with regulation speed and spacing.
Further comprise brake module；The control end of the brake module is connected with controller module, the braking mould
The output end of block is connected with the throttle valve and brake valve of vehicle.There is speed or spacing beyond the default model of controller module
Enclose, when system also carries out sound and light alarm, car owner is possible to subjective regulation speed and the spacing of taking measures of being unwilling, now, control
Device module processed is sent to brake module and instructed, and throttle valve and brake valve are directly controlled by brake module, the car of vehicle is directly controlled
Speed and spacing, to ensure two values in normal, safe scope.
The course of work of the present utility model is：
When detecting speed spacing, Radar Detection module sends the mixed frequency signal of certain frequency, and the mixed frequency signal includes car
Speed and spacing information, mixed frequency signal is inputted to Signal-regulated kinase nursed one's health after, inputted through analog-to-digital conversion to controller module
In, speed spacing information is shown by display module, and judges car according to default range of normal value by controller module
Whether produce hypervelocity or spacing is less than the situation of safety value, once there are unsafe acts, start sound and light alarm mould immediately
Block carries out warning reminding, and directly controls by brake module throttle valve and brake valve, it is to avoid tragedy is produced.
Computer program involved by the utility model is active computer program, is simple computation and simply judges,
The utility model is not improved.
Claims (5)
1. the vehicle-mounted range unit that tests the speed, it is characterised in that：
Including Radar Detection module, Signal-regulated kinase, controller module and display module；
The output end of the Radar Detection module is connected with the input of Signal-regulated kinase；The output of the Signal-regulated kinase
End is connected with controller module；The display module is connected with controller module.
2. the vehicle-mounted range unit that tests the speed according to claim 1, it is characterised in that：Further comprise sound and light alarm module；
The sound and light alarm module is connected with controller module.
3. the vehicle-mounted range unit that tests the speed according to claim 1, it is characterised in that：Further comprise brake module；It is described
The control end of brake module is connected with controller module, the output end of the brake module and the throttle valve of vehicle and brake valve phase
Even.
4. the vehicle-mounted range unit that tests the speed according to claim 1, it is characterised in that：Further comprise analog-to-digital conversion module；
The input of the analog-to-digital conversion module is connected with the output end of Signal-regulated kinase, the output end of the analog-to-digital conversion module with
Controller module is connected.
5. the vehicle-mounted range unit that tests the speed according to claim 1, it is characterised in that：The Signal-regulated kinase includes following
Device, voltage comparator, programmable amplifier and peak detector；The input of the follower and the output end of Radar Detection module
It is connected；The output end all the way of the follower is connected with the input of voltage comparator；The output end of the voltage comparator with
Controller module is connected；Another road output end of the follower is connected with the input of programmable amplifier；The programming amplifying
The output end of device is connected with the input of peak detector；The output end of the peak detector is connected with controller module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101176.5U CN206440819U (en) | 2017-01-24 | 2017-01-24 | The vehicle-mounted range unit that tests the speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101176.5U CN206440819U (en) | 2017-01-24 | 2017-01-24 | The vehicle-mounted range unit that tests the speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440819U true CN206440819U (en) | 2017-08-25 |
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ID=59635358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101176.5U Expired - Fee Related CN206440819U (en) | 2017-01-24 | 2017-01-24 | The vehicle-mounted range unit that tests the speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597426A (en) * | 2017-01-24 | 2017-04-26 | 桂林师范高等专科学校 | Vehicle-mounted speed measurement and range finding apparatus |
| WO2019127181A1 (en) * | 2017-12-28 | 2019-07-04 | 广州兴普电子科技有限公司 | Intelligent vehicle-mounted radar device for reducing signal interference |
-
2017
- 2017-01-24 CN CN201720101176.5U patent/CN206440819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597426A (en) * | 2017-01-24 | 2017-04-26 | 桂林师范高等专科学校 | Vehicle-mounted speed measurement and range finding apparatus |
| WO2019127181A1 (en) * | 2017-12-28 | 2019-07-04 | 广州兴普电子科技有限公司 | Intelligent vehicle-mounted radar device for reducing signal interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190524 Address after: 400 700 Block 10-2, 13, 368 Luzuofu Road, Beibei District, Chongqing Patentee after: Chongqing Kuang Zhi science and Technology Co., Ltd. Address before: No. 21 Xinyi Road, Xiufeng District, Guilin City, Guangxi Zhuang Autonomous Region Patentee before: Guilin Teachers Training College |
|
| 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: 20170825 Termination date: 20200124 |