CN204632105U - A kind of traffic flow investigation apparatus - Google Patents
A kind of traffic flow investigation apparatus Download PDFInfo
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- CN204632105U CN204632105U CN201520350917.4U CN201520350917U CN204632105U CN 204632105 U CN204632105 U CN 204632105U CN 201520350917 U CN201520350917 U CN 201520350917U CN 204632105 U CN204632105 U CN 204632105U
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- traffic flow
- mounting box
- sensor
- investigation apparatus
- microwave remote
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Abstract
The utility model provides a kind of traffic flow investigation apparatus, comprising: data acquisition unit; Microwave remote sensor, the first input end wireless connections of its output terminal and described data acquisition unit; Laser sensor, the second input end wireless connections of its output terminal and described data acquisition unit; Power supply, it comprises solar cell and battery pack, and described power supply is electrically connected with described data acquisition unit, microwave remote sensor and laser sensor.The traffic flow investigation apparatus that the utility model provides adopts laser sensor to detect vehicle, microwave remote sensor is adopted to detect the speed of a motor vehicle, microwave remote sensor and laser sensor are disposed in different housings simultaneously, not only can extend the serviceable life of sensor, and its respective advantage can be given full play to, make testing process be completely free of the interference of extraneous factor and weather conditions, accuracy of detection is high and stable, cost performance is high, is beneficial to simultaneously and applies.
Description
Technical field
The utility model relates to traffic flow investigation apparatus technical field.More particularly, the utility model relates to a kind of traffic flow investigation apparatus.
Background technology
The data of magnitude of traffic flow collection comprise vehicle, flow and the speed of a motor vehicle three fundamental elements, wherein, complete vehicle cab recognition and just directly can obtain data on flows, so the checkout equipment on foreground has been actually two detections: vehicle cab recognition and Bus-Speed Monitoring.
Traditional traffic flow investigation apparatus comprises ultrasonic detector, coil induction type monitoring device, Doppler's microwave detector etc., but due to the difference of use principle, traditional pick-up unit all exists the defect on corresponding function.Ultrasonic detector performance is subject to ambient temperature, airflow influence; Doppler's microwave detector can not detect moving object that is static or low speed; Under coil induction type monitoring device needs that ground induction coil is embedded in road surface, when vehicle drives through, geomagnetism detecting signal changes, and by Geomagnetic signal change in statistics a period of time, can count the quantity crossing vehicle, but its installation is very inconvenient.
Existing laser measuring technology many employings double excitation sensor, single laser sensor, laser sensor and video combine this three types.Double excitation sensor is technically state-of-the-art, but cost is too high, and cost performance is low, and marketing difficulty is very big, and being difficult to spread and using, is best selection as scientific research.Not only single laser sensor cannot detect vehicle but also detect the speed of a motor vehicle simultaneously, this mode all cannot meet the real demand of client.Laser video array mode can be met customer need, but due to video, to be subject to interference ratio that is extraneous and weather more, causes the accuracy of detection of this mode to decline or accuracy of detection instability.
In view of more than, urgently have a kind of interference enabling testing process be completely free of extraneous factor and weather conditions, accuracy of detection is high, accuracy of detection stablize, cost performance is high, long service life, is beneficial to the traffic flow investigation apparatus promoted the use of.
Utility model content
An object of the present utility model solves at least the problems referred to above and defect, and provide the advantage will illustrated after at least one.
It is high that the utility model also has an object to be to provide a kind of accuracy of detection, and accuracy of detection is stablized, the traffic flow investigation apparatus that cost performance is high.
The utility model also has an object to be to provide a kind ofly can break away from the interference of extraneous factor and weather conditions, the traffic flow investigation apparatus of long service life.
In order to realize according to these objects of the present utility model and other advantage, the utility model provides a kind of traffic flow investigation apparatus, comprising:
Data acquisition unit;
Microwave remote sensor, the first input end wireless connections of its output terminal and described data acquisition unit;
Laser sensor, the second input end wireless connections of its output terminal and described data acquisition unit;
Power supply, it comprises solar cell and battery pack, and described power supply is electrically connected with described data acquisition unit, microwave remote sensor and laser sensor.
Laser sensor is only for detecting vehicle, microwave remote sensor is for detecting the speed of a motor vehicle, give full play to the advantage of two kinds of sensors, both high precision and the stability of vehicle somatotype had been ensured, also ensured the Stability and veracity of speed of a motor vehicle precision, the interference of extraneous factor and weather conditions can be completely free of simultaneously, can round-the-clock high-level work, significantly reduce the cost of traffic flow investigation apparatus simultaneously, improve marketing degree.
In sun-drenched situation, solar cell can be used to provide power supply, in the insufficient situation of sunlight, solar cell and battery pack combined type can be used to power or use battery pack to power, sunshine can not only be utilized fully, and the power supply supply of traffic flow investigation apparatus can be ensured.
Preferably, wherein, also comprise:
First mounting box, it is the rectangular housing that a sidewall is provided with opening, described microwave remote sensor is arranged in described first mounting box, and the transmitting terminal of described microwave remote sensor is by described opening launched microwave earthward, described first mounting box is arranged on the metal stud of highway side, the end face of described rectangular housing lays solar panel, the bottom surface of described rectangular housing is provided with heat abstractor, described heat abstractor has multiple radiating fin extended to divergent shape outside described rectangular housing;
Second mounting box, laser sensor and camera head is provided with in it, a sidewall of described second mounting box housing perpendicular to the ground is respectively equipped with the first hole adapted with the probe size of described laser sensor and the second hole adapted with the camera size of described camera head, the end face of described second mounting box housing lays solar panel, and the sidewall of described second mounting box housing arranges radiating fin.
First mounting box and the second mounting box can be respectively used to protection microwave remote sensor and laser sensor; and the solar panel being laid on mounting box end face can absorb sunshine; not only can provide power supply for magnitude of traffic flow equipment; and play the effect of sunshading board to a certain extent; effectively keep the sun off, be conducive to the temperature reducing mounting box enclosure interior.Heat abstractor be set in the bottom surface of the first mounting box simultaneously and multiple heat radiator is set at the sidewall of the second mounting box, better can reduce the temperature of mounting box inside, being conducive to the serviceable life extending sensor.
In order to ensure the precision and stability that vehicle detects, laser sensor is needed to arrange vertically downward, enable the direct vertical sand shooting of laser to road surface, the camera of camera head is perpendicular to road surface, the situation such as hypervelocity, overload of vehicle can be photographed better, therefore laser sensor and camera head are arranged in the second mounting box; When microwave remote sensor makes Bus-Speed Monitoring, in order to ensure the Stability and veracity of speed of a motor vehicle precision, need to be arranged on roadside, and be kept at an angle with road surface, the microwave that the transmitting terminal of microwave remote sensor is launched is to the road surface of appointed area scope, therefore need microwave remote sensor and laser sensor to be disposed in different mounting boxs, play respective advantage, ensure Detection job.
Preferably, wherein, the distance on described laser sensor and ground is 6 ~ 7m.
Preferably, wherein, the transmitting terminal of described microwave remote sensor and the distance on ground are 6 ~ 7m.
Preferably, wherein, described metal stud is also provided with lightning protection device, described lightning protection device is lightning rod.
Preferably, wherein, the distance of described lightning rod and described first mounting box is 3m ~ 4m.
Preferably, wherein, the size in described second hole is 2 ~ 4cm.
The utility model at least comprises following beneficial effect:
1, the laser sensor in the traffic flow investigation apparatus that provides of the utility model is only for detecting vehicle, microwave remote sensor is for detecting the speed of a motor vehicle, give full play to the advantage of two kinds of sensors, both high precision and the stability of vehicle somatotype had been ensured, also the Stability and veracity of speed of a motor vehicle precision has been ensured, the interference of extraneous factor and weather conditions can be completely free of simultaneously, can round-the-clock high-level work, significantly reduce the cost of traffic flow investigation apparatus simultaneously, improve marketing degree.
2, the power supply that the traffic flow investigation apparatus that the utility model provides uses is solar cell and battery pack, in sun-drenched situation, solar cell can be used to provide power supply, in the insufficient situation of sunlight, solar cell and battery pack combined type can be used to power or use battery pack to power, sunshine can not only be utilized fully, and the power supply supply of traffic flow investigation apparatus can be ensured.
3, the first mounting box in the traffic flow investigation apparatus that provides of the utility model and the second mounting box can be respectively used to protection microwave remote sensor and laser sensor; and be laid on the solar panel of mounting box end face by absorbing sunshine; not only can provide power supply for magnitude of traffic flow equipment; and play the effect of sunshading board to a certain extent; effectively keep the sun off, be conducive to the temperature reducing mounting box enclosure interior.Heat abstractor be set in the bottom surface of the first mounting box simultaneously and multiple heat radiator is set at the sidewall of the second mounting box, better can reduce the temperature of mounting box inside, being conducive to the serviceable life extending sensor.
4, in the traffic flow investigation apparatus that provides of the utility model in order to ensure the precision and stability that vehicle detects, laser sensor is needed to arrange vertically downward, enable the direct vertical sand shooting of laser to road surface, the camera of camera head is perpendicular to road surface, the situation such as hypervelocity, overload of vehicle can be photographed better, therefore laser sensor and camera head are arranged in the second mounting box; When microwave remote sensor makes Bus-Speed Monitoring, in order to ensure the Stability and veracity of speed of a motor vehicle precision, need to be arranged on roadside, and be kept at an angle with road surface, the microwave that the transmitting terminal of microwave remote sensor is launched is to the road surface of appointed area scope, therefore need microwave remote sensor and laser sensor to be disposed in different mounting boxs, play respective advantage, ensure Detection job.
5, the microwave remote sensor in the traffic flow investigation apparatus that provides of the utility model and the rational height of laser sensor can ensure good testing process.
6, in the traffic flow investigation apparatus that provides of the utility model for the metal stud of support first mounting box is provided with lightning rod, provide the security of testing process and the stability of testing conditions.
Accompanying drawing explanation
Fig. 1 is the first mounting box structural representation of traffic flow investigation apparatus in one of them embodiment of the utility model.
Fig. 2 is the upward view of the first mounting box of traffic flow investigation apparatus in another embodiment of the present utility model.
Fig. 3 is the upward view of the second mounting box of traffic flow investigation apparatus in another embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
The utility model provides a kind of traffic flow investigation apparatus, comprising:
Data acquisition unit;
Microwave remote sensor, the first input end wireless connections of its output terminal and described data acquisition unit;
Laser sensor, the second input end wireless connections of its output terminal and described data acquisition unit;
Power supply, it comprises solar cell and electrical storage battery, and described power supply is electrically connected with described data acquisition unit, microwave remote sensor and laser sensor.Such as, in sun-drenched situation, solar cell can be used as power supply, in the insufficient situation of sunlight, solar cell and battery pack combined type can be used to power or use battery pack to power, sunshine can not only be utilized fully, and the power supply supply of traffic flow investigation apparatus can be ensured.
In this scheme, power supply supplies laser sensor, microwave remote sensor and data acquisition unit electricity, and laser sensor is for detecting vehicle, and microwave remote sensor is for detecting the speed of a motor vehicle.
In another kind of example, as Fig. 1, shown in Fig. 2 and Fig. 3, also comprise: the first mounting box 1, it is the rectangular housing that a sidewall is provided with opening 110, described microwave remote sensor is arranged in described first mounting box 1, and the transmitting terminal of described microwave remote sensor is by described opening launched microwave earthward, described first mounting box 1 is arranged on the metal stud 2 of highway side, the end face of described rectangular housing lays solar panel 3, the bottom surface of described rectangular housing is provided with heat abstractor 4, described heat abstractor has multiple radiating fin extended to divergent shape outside described rectangular housing,
Second mounting box 5, laser sensor and camera head is provided with in it, a sidewall of described second mounting box 5 housing perpendicular to the ground is respectively equipped with the first hole 6 adapted with the probe size of described laser sensor and the second hole 7 adapted with the camera size of described camera head, such as, described first hole 6 is square opening, described second hole 7 is circular hole, size is 2 ~ 4cm, the end face of described second mounting box housing lays solar panel 3, and the sidewall of described second mounting box housing arranges radiating fin.
In another example, the distance on described laser sensor and ground is 6 ~ 7m.
In another example, the transmitting terminal of described microwave remote sensor and the distance on ground are 6 ~ 7m.
In another example, in order to ensure security and the accuracy of testing process, described metal stud is also provided with lightning protection device, described lightning protection device is lightning rod 8.Such as, the distance of described lightning rod and described first mounting box is 3 ~ 4m.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a traffic flow investigation apparatus, is characterized in that, comprising:
Data acquisition unit;
Microwave remote sensor, the first input end wireless connections of its output terminal and described data acquisition unit;
Laser sensor, the second input end wireless connections of its output terminal and described data acquisition unit;
Power supply, it comprises solar cell and battery pack, and described power supply is electrically connected with described data acquisition unit, microwave remote sensor and laser sensor.
2. traffic flow investigation apparatus as claimed in claim 1, is characterized in that, also comprise:
First mounting box, it is the rectangular housing that a sidewall is provided with opening, described microwave remote sensor is arranged in described first mounting box, and the transmitting terminal of described microwave remote sensor is by described opening launched microwave earthward, described first mounting box is arranged on the metal stud of highway side, the end face of described rectangular housing lays solar panel, the bottom surface of described rectangular housing is provided with heat abstractor, described heat abstractor has multiple radiating fin extended to divergent shape outside described rectangular housing;
Second mounting box, laser sensor and camera head is provided with in it, a sidewall of described second mounting box housing perpendicular to the ground is respectively equipped with the first hole adapted with the probe size of described laser sensor and the second hole adapted with the camera size of described camera head, the end face of described second mounting box housing lays solar panel, and the sidewall of described second mounting box housing arranges radiating fin.
3. traffic flow investigation apparatus as claimed in claim 2, it is characterized in that, the distance on described laser sensor and ground is 6 ~ 7m.
4. traffic flow investigation apparatus as claimed in claim 2, it is characterized in that, the transmitting terminal of described microwave remote sensor and the distance on ground are 6 ~ 7m.
5. traffic flow investigation apparatus as claimed in claim 2, it is characterized in that, described metal stud is also provided with lightning protection device, described lightning protection device is lightning rod.
6. traffic flow investigation apparatus as claimed in claim 5, it is characterized in that, the distance of described lightning rod and described first mounting box is 3m ~ 4m.
7. traffic flow investigation apparatus as claimed in claim 2, it is characterized in that, the size in described second hole is 2 ~ 4cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350917.4U CN204632105U (en) | 2015-05-27 | 2015-05-27 | A kind of traffic flow investigation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350917.4U CN204632105U (en) | 2015-05-27 | 2015-05-27 | A kind of traffic flow investigation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632105U true CN204632105U (en) | 2015-09-09 |
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ID=54051107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520350917.4U Expired - Fee Related CN204632105U (en) | 2015-05-27 | 2015-05-27 | A kind of traffic flow investigation apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN204632105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204116A (en) * | 2017-07-03 | 2017-09-26 | 太仓贝岭思拓软件科技有限公司 | A kind of regional traffic flow information acquisition system |
| CN107886735A (en) * | 2017-10-30 | 2018-04-06 | 南宁市浩发科技有限公司 | Traffic flow detecting device |
-
2015
- 2015-05-27 CN CN201520350917.4U patent/CN204632105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204116A (en) * | 2017-07-03 | 2017-09-26 | 太仓贝岭思拓软件科技有限公司 | A kind of regional traffic flow information acquisition system |
| CN107886735A (en) * | 2017-10-30 | 2018-04-06 | 南宁市浩发科技有限公司 | Traffic flow detecting device |
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| Date | Code | Title | Description |
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| 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: 20150909 |