CN204374229U - A kind of electric motor car velocity-measuring system - Google Patents
A kind of electric motor car velocity-measuring system Download PDFInfo
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- CN204374229U CN204374229U CN201520058425.8U CN201520058425U CN204374229U CN 204374229 U CN204374229 U CN 204374229U CN 201520058425 U CN201520058425 U CN 201520058425U CN 204374229 U CN204374229 U CN 204374229U
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Abstract
The utility model relates to a kind of electric motor car velocity-measuring system, this velocity-measuring system comprises the node that tests the speed, environment nodes, range-rate measuring terminal, host computer and LED data billboard, described range-rate measuring terminal is connected with the node that tests the speed, environment nodes, host computer respectively, and described host computer is also connected with LED data billboard.Native system compact conformation, flexible configuration, use just Kinetix, precision and efficiency of detecting is high, maintenance is simple.
Description
Technical field
The utility model relates to vehicular traffic field of information acquisition, is specifically related to a kind of electric motor car velocity-measuring system.
Background technology
China is a bicycle big country, simultaneously Ye Shi electric bicycle big country.Electric bicycle is bringing easily simultaneously, and associated road traffic accident problem also becomes increasingly conspicuous, and the ratio that traffic hazard relevant to electric bicycle in city in recent years accounts for whole road traffic accident is in about 30% always.In order to ensure the security of the lives and property of people, traffic department of current China specifies that the design rate of electric motor car manufacturing enterprise production electric motor car must not more than 20km/h, namely the max. speed of electric bicycle under its rated voltage should be not more than 20km/h, and formulated corresponding electric motor car speed measurement reference and detection method, therefore the every money electric bicycle of producer all needs to carry out max. speed test by this standard in product development process and before sizing.
The pressure zone road examination instrument that current relevant manufacturers and third party testing agency generally adopt the motor vehicles such as motorcycle to test the speed adopted carries out electric motor car and tests the speed.Pressure zone road examination instrument is made up of main control system and pressure zone, its speed-measuring method is: road surface one determining deviation L (unit be m) in before and after each place 1 pressure zone, when electric motor car is crossed by road surface, successively will trigger two switches by pressure zone, try instrument by pressure zone road to record the mistiming t of two switch triggering (unit is s), what be vehicle passes through the time, pressure zone road examination instrument goes out speed V (unit is km/h): the V=3.6L/t of electric motor car according to formulae discovery, riding for twice through coming and going continuously, getting the mean value of its test findings.
Current employing pressure zone road examination instrument carries out the limitation that electric motor car tests the speed and is mainly reflected in following several aspect: (1) electric motor car is by during pressure zone being the mechanicals efforts trigger switch by the out-of-date generation of pressure wheel, its process is equivalent to the closed of mechanical switch and flicks, response time is Millisecond, and " shake " phenomenon (namely occurring the non-steady state of 5ms ~ 10ms in pressure zone pressing instantaneously) is there is in switch triggering process, therefore can affect accuracy of detection and the reliability of speed; (2) each detect before all need according to pavement marker or ranging computer by arranging to set a distance and fixing pressure zone, and need to readjust fixing when pressure zone causes position to offset because wheel rolls in testing process, thus cause that testing process is time-consuming, effort; (3) pressure zone must be changed in time after the number of times using regulation; (4) vehicle speed data only can be preserved and display in pressure zone road examination instrument, needs special messenger to be responsible for hand-kept speed data and follow-up data processing and examining report and write during detection; (5) electric motor car velocity measuring should meet the following conditions: temperature-5 DEG C ~ 30 DEG C, wind speed is not more than 3m/s.Existing method of testing does not possess the measurement function to the environmental parameter that tests the speed.
Utility model content
The purpose of this utility model is to provide a kind of electric motor car velocity-measuring system, it not only has the basic function of the existing vehicle speed measuring devices such as pressure zone road examination instrument, and specially for the demand that tests the speed of electric motor car, provide a kind of compact conformation, flexible configuration, use just Kinetix, precision and efficiency of detecting high, safeguard simple electric motor car velocity-measuring system.
The utility model solves the technical scheme that its technical matters adopts: a kind of electric motor car velocity-measuring system, comprise at least two nodes that test the speed, environment nodes, range-rate measuring terminal, host computer and a LED data billboard, wherein, described range-rate measuring terminal is connected with the node that tests the speed, environment nodes, host computer respectively, and described host computer is also connected with LED data billboard.
Preferably, the node that tests the speed described in comprises interconnective correlation photoelectric sensor and the first power module.
Preferably, described correlation photoelectric sensor be equidistantly arranged in road both sides of testing the speed form described in test the speed node.
Preferably, the quantity of node of testing the speed described in is 2 or 3.
Preferably, described environment nodes comprises wind speed wind direction sensor, temperature sensor, the first radio receiving transmitting module and second source module, wherein, wind speed wind direction sensor, temperature sensor are all connected with the first radio receiving transmitting module, and second source module is wind speed wind direction sensor, temperature sensor, the first radio receiving transmitting module are powered.
Preferably, described range-rate measuring terminal comprises light lotus root isolation module, processor module, guidance panel, the second radio receiving transmitting module, numeral method module, LCD MODULE and the 3rd power module, wherein, light lotus root isolation module, guidance panel, the second radio receiving transmitting module, numeral method module, LCD MODULE are all connected with processor module, and the 3rd power module is other module for power supply.
Preferably, described range-rate measuring terminal with between environment nodes, described range-rate measuring terminal is connected with all adopting the double-direction radio based on Zigbee between host computer, adopts serial ports RS232/485 or wireless Wifi network to be connected between described host computer with LED data billboard.
Compared with prior art, the beneficial effects of the utility model are as follows: (1) adopts photoelectric sensor as electric motor car by the trigger signal source of time collection point, response time short, precision and reliability high; (2) photoelectric sensor can be fixedly mounted during conditions permit, in testing process, wheel or other position of vehicle do not contact with sensor, and installation site is easy to adjust, and the positional precision of installation is easy to ensure and do not need to adjust at any time; (3) long service life of photoelectric sensor, generally more than at least 10 years; (4) vehicle speed data can not only be kept in range-rate measuring terminal, and shields by wireless network real-time release to LED strip and upload in host computer in the process of testing the speed and process, and automatically can generate examining report as required; (5) environment nodes in velocity-measuring system has the measuring ability to the environmental parameter that tests the speed, and can control testing process according to correlation standard, reduces the interference of human factor.
Accompanying drawing explanation
Fig. 1 is system global structure block diagram of the present utility model.
Fig. 2 is the structured flowchart of node of testing the speed.
Fig. 3 is the structured flowchart of environment nodes.
Fig. 4 is the structured flowchart of range-rate measuring terminal.
Fig. 5 is the floor plan schematic diagram of electric motor car velocity-measuring system first embodiment.
Fig. 6 is the floor plan schematic diagram of electric motor car velocity-measuring system second embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See accompanying drawing 1, a kind of electric motor car velocity-measuring system of the utility model, comprise the node that tests the speed, environment nodes, range-rate measuring terminal, host computer and LED data billboard, according to the actual needs that test the speed, range-rate measuring terminal can connect 2 or 3 test the speed node and 1 environment nodes.Between range-rate measuring terminal and environment nodes, and between range-rate measuring terminal and host computer, all adopt the double-direction radio based on Zigbee to connect, between host computer with LED data billboard, adopt serial ports RS232/485 or wireless Wifi network to be connected.
To test the speed needs for ease of scene, except host computer, all power modules in electric motor car velocity-measuring system all adopt the chargeable lead-acid battery or lithium battery that meet system components operating voltage requirement.
See accompanying drawing 2, the node that tests the speed comprises interconnective correlation photoelectric sensor and the first power module.The node layout at the scene that tests the speed both can adopt tripod form movable, and ground fixed bracket also can be adopted to install.
See accompanying drawing 3, environment nodes comprises wind speed wind direction sensor, temperature sensor, the first radio receiving transmitting module and second source module, wherein, wind speed wind direction sensor, temperature sensor are all connected with the first radio receiving transmitting module, and second source module is wind speed wind direction sensor, temperature sensor, the first radio receiving transmitting module are powered.
See accompanying drawing 4, range-rate measuring terminal comprises light lotus root isolation module, processor module, guidance panel, the second radio receiving transmitting module, numeral method module, LCD MODULE and the 3rd power module, wherein, light lotus root isolation module, guidance panel, the second radio receiving transmitting module, numeral method module, LCD MODULE are all connected with processor module, and the 3rd power module is other module for power supply.
Described correlation photoelectric sensor be equidistantly arranged in road both sides of testing the speed form described in test the speed node, when test the speed described in electric motor car passes through successively node time, the light path of described correlation photoelectric sensor will be blocked successively, trigger the electronic switch of light lotus root isolation module in described range-rate measuring terminal, and the mistiming of electronic switch triggering is recorded by the processor module of range-rate measuring terminal, and according to the described internodal distance that tests the speed, calculate electric motor car pass through described in test the speed the velocity amplitude of node.
The principle of work of the electric motor car velocity-measuring system that the utility model provides is:
According to the regulation requirement in electric motor car max. speed determination test standard, it is-5 DEG C ~ 30 DEG C meeting temperature, under wind speed is not more than the environmental baseline of 3m/s, according to electric motor car test the speed need by 2 to or 3 pairs of correlation photoelectric sensor be equidistantly arranged in road both sides of testing the speed, form 2 or 3 nodes that test the speed, when electric motor car successively by test the speed node time, the light path of correlation photoelectric sensor will be blocked successively, and trigger the electronic switch of light lotus root isolation module in range-rate measuring terminal, the mistiming of switch triggering is recorded by the processor module in range-rate measuring terminal, and further according to testing the speed internodal distance, calculate 1 group or the 2 group velocity amplitudes of electric motor car by the node that tests the speed.Speed data is saved in range-rate measuring terminal by velocity-measuring system on the one hand, and pass through Zigbee wireless network to host computer uploading speed data by " uploading " button on guidance panel, speed data is shown by the numeral method module in range-rate measuring terminal and LCD MODULE on the other hand simultaneously, the speed data received can be sent to described LED data billboard by RS232/485 or wireless Wifi network by host computer if desired, also can carry out the examining report of necessary process afterwards automatically needed for generation to speed data according to actual needs.In order to ensure precision and the stability thereof of speed data, should guarantee that the direct of travel of electric motor car is vertical with the optical path direction of correlation photoelectric sensor.
In addition, because range-rate measuring terminal itself also possesses data storage function, therefore the electric motor car velocity-measuring system that the utility model provides also can not use host computer and LED data billboard when testing the speed at the scene, can test the speed after terminating if desired at the scene, by " uploading " button on range-rate measuring terminal guidance panel, the speed data be kept in range-rate measuring terminal is uploaded to host computer so that " batch processing " mode is disposable.
Further, in order to the actual needs that can test the speed according to electric motor car carries out flexible configuration, on the guidance panel of range-rate measuring terminal, except above-mentioned " uploading " button, also be provided with " reset ", " pattern " and " stop spacing " button, wherein, the effect of " reset " key be for the optimum configurations that tests the speed complete after carry out testing the speed getting ready, the displaying contents of reset liquid crystal display and charactron simultaneously; The effect of " pattern " key be selective system with 2 stations or 3 station work patterns, the effect of " stop spacing " key arranges in circulating rolling mode the internodal station spacing that tests the speed.
Especially, the electric motor car velocity-measuring system that the utility model provides also support unit test the speed between node come and go test the speed, not only increase the efficiency that tests the speed like this, the adverse effect that what is more important can offset the on-the-spot wind speed that tests the speed, wind direction brings the process of testing the speed, improves accuracy and the reliability of measurement data.
In the embodiment of first shown in accompanying drawing 5, test the speed on-the-spot employing " 2 station " pattern, 2 pairs of correlation photoelectric sensor are configured by preset pitch in road both sides, form 2 nodes that test the speed, by above-mentioned measuring principle when electric motor car successively by 2 test the speed node time can obtain 1 group of speed data, the mode repeatedly of coming and going can be adopted to obtain and to organize speed data more.
In the embodiment of second shown in accompanying drawing 6, test the speed on-the-spot employing " 3 station " pattern, in road both sides by presetting equidistantly configuration 3 pairs of correlation photoelectric sensor, form 3 nodes that test the speed, by above-mentioned measuring principle when electric motor car successively by 3 test the speed node time can obtain 2 groups of speed datas, the mode repeatedly of coming and going can be adopted to obtain and to organize speed data more.
Claims (7)
1. an electric motor car velocity-measuring system, it is characterized in that: comprise at least two nodes that test the speed, environment nodes, range-rate measuring terminal, host computer and a LED data billboard, wherein, described range-rate measuring terminal is connected with the node that tests the speed, environment nodes, host computer respectively, and described host computer is also connected with LED data billboard.
2. electric motor car velocity-measuring system according to claim 1, is characterized in that: described in the node that tests the speed comprise interconnective correlation photoelectric sensor and the first power module.
3. electric motor car velocity-measuring system according to claim 2, is characterized in that: described correlation photoelectric sensor be equidistantly arranged in road both sides of testing the speed form described in test the speed node.
4. electric motor car velocity-measuring system according to claim 1 and 2, is characterized in that, described in the test the speed quantity of node be 2 or 3.
5. electric motor car velocity-measuring system according to claim 1, it is characterized in that: described environment nodes comprises wind speed wind direction sensor, temperature sensor, the first radio receiving transmitting module and second source module, wherein, wind speed wind direction sensor, temperature sensor are all connected with the first radio receiving transmitting module, and second source module is wind speed wind direction sensor, temperature sensor, the first radio receiving transmitting module are powered.
6. electric motor car velocity-measuring system according to claim 1, it is characterized in that: described range-rate measuring terminal comprises light lotus root isolation module, processor module, guidance panel, the second radio receiving transmitting module, numeral method module, LCD MODULE and the 3rd power module, wherein, light lotus root isolation module, guidance panel, the second radio receiving transmitting module, numeral method module, LCD MODULE are all connected with processor module, and the 3rd power module is other module for power supply.
7. electric motor car velocity-measuring system according to claim 1, it is characterized in that: described range-rate measuring terminal with between environment nodes, described range-rate measuring terminal is connected with all adopting the double-direction radio based on Zigbee between host computer, adopts serial ports RS232/485 or wireless Wifi network to be connected between described host computer with LED data billboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058425.8U CN204374229U (en) | 2015-01-27 | 2015-01-27 | A kind of electric motor car velocity-measuring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520058425.8U CN204374229U (en) | 2015-01-27 | 2015-01-27 | A kind of electric motor car velocity-measuring system |
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| CN204374229U true CN204374229U (en) | 2015-06-03 |
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| CN201520058425.8U Expired - Fee Related CN204374229U (en) | 2015-01-27 | 2015-01-27 | A kind of electric motor car velocity-measuring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440973A (en) * | 2016-09-07 | 2017-02-22 | 南京理工大学 | Portable distribution type velocity-measuring system for networking rocket sled test |
| CN108771855A (en) * | 2018-06-04 | 2018-11-09 | 国家体育总局体育科学研究所 | One kind being used for Track Cycling Split Time velocity-measuring system and method |
-
2015
- 2015-01-27 CN CN201520058425.8U patent/CN204374229U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440973A (en) * | 2016-09-07 | 2017-02-22 | 南京理工大学 | Portable distribution type velocity-measuring system for networking rocket sled test |
| CN106440973B (en) * | 2016-09-07 | 2019-05-07 | 南京理工大学 | Portable distributed networking rocket sled test velocity-measuring system |
| CN108771855A (en) * | 2018-06-04 | 2018-11-09 | 国家体育总局体育科学研究所 | One kind being used for Track Cycling Split Time velocity-measuring system and method |
| CN108771855B (en) * | 2018-06-04 | 2020-04-17 | 国家体育总局体育科学研究所 | System and method for timing and speed measuring of field bicycles in sections |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150603 Termination date: 20170127 |