CN207489265U - A kind of speed testing system based on MEMS sensor - Google Patents
A kind of speed testing system based on MEMS sensor Download PDFInfo
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- CN207489265U CN207489265U CN201721414506.2U CN201721414506U CN207489265U CN 207489265 U CN207489265 U CN 207489265U CN 201721414506 U CN201721414506 U CN 201721414506U CN 207489265 U CN207489265 U CN 207489265U
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Abstract
Utility model discloses a kind of speed testing system based on MEMS sensor, it includes speed monitoring module, vehicle-mounted computer and audio playing module；The output terminal of speed monitoring module and the input terminal of vehicle-mounted computer connect；The output terminal of vehicle-mounted computer and the input terminal of audio playing module connect；Speed monitoring module includes MEMS acceleration transducers and vehicle speed sensor；The data detected are sent to vehicle-mounted computer by MEMS acceleration sensings and vehicle speed sensor.Car owner's current vehicle speed can be just reminded when also having a distance apart from speed-limit road section and later speed is prejudged, allow car owner have time enough reaction slow down, by the anticipation of speed is also prevented emergency-response not as good as the occurrence of；Both car owner's hypervelocity had been prevented to violate the traffic regulations, has also ensured the personal safety of car owner.
Description
Technical field
The utility model is related to Bus- Speed Monitoring technical field more particularly to a kind of velocity test systems based on MEMS sensor
System.
Background technology
Bus- Speed Monitoring is now widely used for the public transport such as automobile industry, railway systems and aerospace field；Its energy
It detects the current speed of public transport equipment, and transmits data to backstage and analyzed and processed.
Present automobile primary will prevent speed hypervelocity from violating the traffic regulations by Bus- Speed Monitoring to realize, but current vehicle
Speed detection all there are it is certain the defects of, such as if when there is speed limit in front section, although car owner can be from vehicle-mounted computer in real time
The current speed of automobile is viewed, but in order to which the general car owner of driving safety will not be worked as by checking vehicle-mounted computer to learn in real time
The travel speed of preceding automobile, is mainly learnt by voice broadcast；And due to reminding not in time along with Bus- Speed Monitoring to report
The regular hour is needed, resulting in running car, the present speed of automobile is on this speed limit road at this time to just being reported during speed-limit road section
Section is likely to exceed the speed limit；Even if car owner reaches speed limit it has been found that front speed limit, but since deceleration dynamics is smaller
Speed does not drop to as defined in speed-limit road section in speed during section, thus be easy to cause car owner and violates the traffic regulations；And
And current Bus- Speed Monitoring is only able to detect the speed of real-time vehicle running, can not accomplish an anticipation to the speed of automobile,
If reacted again according to the speed detected in real time for many emergency cases, can not react certainly.
Because how to prevent car owner from exceeding the speed limit in speed-limit road section and carrying out anticipation to the speed of automobile is problem to be solved.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of speed based on MEMS sensor and survey
Test system solves shortcoming and defect existing for existing Bus- Speed Monitoring.
The purpose of this utility model is achieved through the following technical solutions：A kind of speed based on MEMS sensor is surveyed
Test system, it includes speed monitoring module, vehicle-mounted computer and audio playing module；The output terminal and vehicle mounted electric of speed monitoring module
The input terminal connection of brain；The output terminal of vehicle-mounted computer and the input terminal of audio playing module connect；Speed monitoring module includes
MEMS acceleration transducers and vehicle speed sensor；The data detected are sent to vehicle by MEMS acceleration sensings and vehicle speed sensor
Carry computer.
Vehicle-mounted computer include data processing unit, microcontroller, GPS positioning unit, memory, apart from reminding unit, aobvious
Show unit and voice reminder unit；The data output end of data processing unit and the data input pin of microcontroller connect；Micro-control
The data output end of device processed and the input terminal of memory connect, and the audio output of microcontroller and the input terminal of display unit connect
It connects, the command signal output terminal of microcontroller is connect with the input terminal of voice reminder unit；The output terminal of GPS positioning unit with it is micro-
Controller is connected with the data input pin apart from reminding unit；The input terminal of output terminal and microcontroller apart from reminding unit connects
It connects.
The data detected are sent to data processing unit by MEMS acceleration transducers and vehicle speed sensor；Voice reminder
The output terminal of unit and the input terminal of audio playing module connect.
Display unit includes touch-screen display；Audio playing module includes vehicle-mounted power amplifying device.
Vehicle-mounted power amplifying device includes vehicle audio.
The beneficial effects of the utility model are：A kind of speed testing system based on MEMS sensor can be limited in distance
Fast section, which also has, just reminds car owner's current vehicle speed and later speed is prejudged when a distance, car owner is allowed to have enough
Time response slow down, by the anticipation of speed is also prevented emergency-response not as good as the occurrence of；Both vehicle is prevented
Main hypervelocity violates the traffic regulations, and also ensures the personal safety of car owner.
Description of the drawings
Fig. 1 is the structure diagram of system.
Specific embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Figure 1, a kind of speed testing system based on MEMS sensor, it includes speed monitoring module, vehicle mounted electric
Brain and audio playing module；The output terminal of speed monitoring module and the input terminal of vehicle-mounted computer connect；The output terminal of vehicle-mounted computer
It is connect with the input terminal of audio playing module；Speed monitoring module includes MEMS acceleration transducers and vehicle speed sensor；MEMS
The data detected are sent to vehicle-mounted computer by acceleration sensing and vehicle speed sensor.
Vehicle-mounted computer include data processing unit, microcontroller, GPS positioning unit, memory, apart from reminding unit, aobvious
Show unit and voice reminder unit；The data output end of data processing unit and the data input pin of microcontroller connect；Micro-control
The data output end of device processed and the input terminal of memory connect, and the audio output of microcontroller and the input terminal of display unit connect
It connects, the command signal output terminal of microcontroller is connect with the input terminal of voice reminder unit；The output terminal of GPS positioning unit with it is micro-
Controller is connected with the data input pin apart from reminding unit；The input terminal of output terminal and microcontroller apart from reminding unit connects
It connects.
The data detected are sent to data processing unit by MEMS acceleration transducers and vehicle speed sensor；Voice reminder
The output terminal of unit and the input terminal of audio playing module connect.
Display unit includes touch-screen display；Audio playing module includes vehicle-mounted power amplifying device.
Vehicle-mounted power amplifying device includes vehicle audio.
Preferably, by apart from reminding unit in advance to front how far（It, can be according to each vehicle such as 50 meters or 100 meters
Main response situation is configured）There is speed-limit road section（Such as speed limit 40km/h）, at this time data processing unit sensed according to speed
The accelerometer of the real-time speed of the collected automobile of device and the collected automobile of MEMS acceleration transducers at this time calculates, and automobile exists
In 50 meters of distance by speed drop to below 40km/h need how long or and automobile moved on this acceleration it is more
Speed limit requirement can also be reached by slowing down again after remote；And pass through voice reminder unit and vehicle audio prompting car owner；Such as encounter front
When having emergency, data processing unit is calculated continues speed of operation is up to how many with this acceleration, if can be because of vehicle
Speed is too fast to make car owner's reaction too late, then reminds car owner by voice reminder unit and vehicle audio.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as the exclusion to other embodiment, and available for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (5)
1. a kind of speed testing system based on MEMS sensor, it is characterised in that：It includes speed monitoring module, vehicle-mounted computer
And audio playing module；The output terminal of the speed monitoring module is connect with the input terminal of the vehicle-mounted computer；The vehicle
The output terminal for carrying computer is connect with the input terminal of the audio playing module；The speed monitoring module includes MEMS acceleration
Sensor and vehicle speed sensor；The data detected are sent to vehicle mounted electric by the MEMS acceleration sensings and vehicle speed sensor
Brain.
2. a kind of speed testing system based on MEMS sensor according to claim 1, it is characterised in that：The vehicle
Carry computer include data processing unit, microcontroller, GPS positioning unit, memory, apart from reminding unit, display unit and language
Sound reminding unit；The data output end of the data processing unit is connect with the data input pin of the microcontroller；It is described
The data output end of microcontroller connect with the input terminal of the memory, the audio output of microcontroller and the display
The input terminal connection of unit, the command signal output terminal of microcontroller are connect with the input terminal of the voice reminder unit；It is described
The output terminal of GPS positioning unit connect with the microcontroller and the data input pin apart from reminding unit；Described
Output terminal apart from reminding unit is connect with the input terminal of the microcontroller.
3. a kind of speed testing system based on MEMS sensor according to claim 2, it is characterised in that：Described
The data detected are sent to data processing unit by MEMS acceleration transducers and vehicle speed sensor；The voice reminder list
The output terminal of member is connect with the input terminal of the audio playing module.
4. a kind of speed testing system based on MEMS sensor according to claim 3, it is characterised in that：Described is aobvious
Show that unit includes touch-screen display；The audio playing module includes vehicle-mounted power amplifying device.
5. a kind of speed testing system based on MEMS sensor according to claim 4, it is characterised in that：The vehicle
It carries power amplifying device and includes vehicle audio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414506.2U CN207489265U (en) | 2017-10-30 | 2017-10-30 | A kind of speed testing system based on MEMS sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414506.2U CN207489265U (en) | 2017-10-30 | 2017-10-30 | A kind of speed testing system based on MEMS sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489265U true CN207489265U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721414506.2U Expired - Fee Related CN207489265U (en) | 2017-10-30 | 2017-10-30 | A kind of speed testing system based on MEMS sensor |
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| CN (1) | CN207489265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682862A (en) * | 2019-09-02 | 2020-01-14 | 深圳华大北斗科技有限公司 | Vehicle-mounted early warning device and method |
-
2017
- 2017-10-30 CN CN201721414506.2U patent/CN207489265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682862A (en) * | 2019-09-02 | 2020-01-14 | 深圳华大北斗科技有限公司 | Vehicle-mounted early warning device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180612 Termination date: 20181030 |