CN203744998U - On-line calibrating device for highway pavement state sensor - Google Patents
On-line calibrating device for highway pavement state sensor Download PDFInfo
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- CN203744998U CN203744998U CN201320804193.7U CN201320804193U CN203744998U CN 203744998 U CN203744998 U CN 203744998U CN 201320804193 U CN201320804193 U CN 201320804193U CN 203744998 U CN203744998 U CN 203744998U
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- pavement state
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Abstract
The utility model provides an on-line calibrating device for a highway pavement state sensor, and the on-line calibrating device is simple in structure and convenient to install, adjust and use. The on-line calibrating device comprises a high-precision pavement state parameter sensor and a pavement state sensor processing unit. The high-precision pavement state parameter sensor comprises a data output interface, a power supply unit and a plurality of sensor connecting ports, the data output interface is connected with a high-precision sensor data receiving port of a data processing unit, the pavement state sensor processing unit is connected with a pavement state standard device through a data input port, and the pavement state sensor processing unit is connected with a pavement sensor data receiving port of the data processing unit through a data output port. By employing the on-line calibrating device for the highway pavement state sensor, highway pavement sensing equipment can be calibrated under normal working conditions, and the precision of the highway pavement state sensor is guaranteed.
Description
Technical field
The utility model relates to a kind of road sensors calibrating installation, especially a kind of highway pavement state sensor on-line calibration device.
Background technology
The ponding on road surface, humidity, the state such as freeze, concerning vehicle operating safety, are also the key factors that affects Vehicle Speed, traffic capacity.Highway pavement state sensor is the electromechanical equipment of the status information such as detect in real time surface gathered water, humidity, freeze, it can detect pavement state in real time, and by information rapid feedback to Surveillance center, administrative authority detects data according to it and takes in time traffic administration and Forewarning Measures by road, with minimizing accident, road passage capability occurs, improves, guarantee traffic safety.Yet, the following problem that pavement state sensor exists has at present restricted the evaluation of its precision and quality has been caused to material impact, be in particular in: first, pavement state sensor kind is more, detection principle is different, mainly contains photoelectric sensing detection method, video detecting method, thermography map detection method, activation polarization detection method, microwave detection method etc.These sensors are different to the decision procedure of various pavement states and detection limit value.The second, pavement state installation of sensors mode differs greatly, and mainly contains flush type, trackside formula, combined type etc., and installation environment is different on the impact of various kinds of sensors.The 3rd, the test result of the difference road pavement state sensor of highway pavement material also has a significant impact.Meanwhile, also there is the problems such as the serviceability of pavement state sensor is unstable, all the research of highway pavement state sensor collimation technique is brought to very large difficulty.The 4th, the precision of pavement state sensor is relevant to equipment installation and adjustment process, and the equipment that part is debug, as service condition changes, will affect greatly its precision.For this reason, propose the on-line calibration method and apparatus of network of highways sensing equipment, become the important means addressing the above problem.
Utility model content
The utility model provide a kind of simple in structure, be convenient to debug, highway pavement state sensor on-line calibration device easy to use.
Realize a kind of highway pavement state sensor on-line calibration device of the utility model object, comprise high precision pavement state parameters sensor and pavement state sensor processing unit, described high precision pavement state parameters sensor comprises data output interface, power supply unit and a plurality of sensors connectivity port, and described data output interface is connected with the high-precision sensor data receiver port of data processing unit; Described pavement state sensor processing unit is connected with pavement state standard set-up by data-in port, and described pavement state sensor processing unit is connected with the road surface sensor data receiver port of data processing unit by data-out port.
Described high precision road surface parameter sensors also comprises display unit.
Described pavement state standard set-up comprises pavement state sensor test side.
The beneficial effect of a kind of highway pavement state sensor on-line calibration device of the present utility model is as follows:
A kind of highway pavement state sensor on-line calibration device of the present utility model, simple in structure, be convenient to debug, easy to use.Can realize the calibration in normal working conditions of highway pavement sensing equipment, while having avoided disassembling sensor to carry out laboratory calibration, again debug the precision causing and reduce or uncertainty, more be conducive to the precision guarantee of highway pavement state sensor.
The utility model adopts pavement state analog form can effectively realize ponding, humidity, icing, accumulated snow state, and accurately simulate actual road surface by standard test pavement simulating material, avoid road wear, the impact of unfavorable factor on calibration result such as uneven, effectively guaranteed the reliability of on-line calibration result;
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of highway pavement state sensor on-line calibration device of the present utility model.
Embodiment
As shown in Figure 1, a kind of highway pavement state sensor on-line calibration device of the present utility model, comprise high precision pavement state parameters sensor 2 and pavement state sensor processing unit 7, described high precision pavement state parameters sensor 2 comprises data output interface 4, power supply unit 5 and a plurality of sensors connectivity port 1, and described data output interface 4 is connected with the high-precision sensor data receiver port 11 of data processing unit 10; Described pavement state sensor processing unit 7 is connected with pavement state standard set-up 6 by data-in port 9, and described pavement state sensor processing unit 7 is connected with the road surface sensor data receiver port 12 of data processing unit 10 by data-out port 8.
Described high precision road surface parameter sensors 2 also comprises display unit 3.
Described pavement state standard set-up 6 comprises pavement state sensor test side.
The principle of work of a kind of highway pavement state sensor on-line calibration device of the present utility model is as follows:
Pavement state standard set-up is arranged in contactless highway pavement state sensor sensing range, and the two center coincidence, pavement state standard set-up inside is surveyed area; The sensor of high precision pavement state parameters sensor be laid in central point and surrounding in surveyed area; Data processing unit is connected with contactless highway pavement state sensor with high precision pavement state parameters sensor respectively; Data processing unit and high precision pavement state parameters sensor all use the power supply of contactless highway pavement state sensor.
Switch on power make contactless highway pavement state sensor and a kind of highway pavement state sensor on-line calibration device in running order; Cooling and stablize to zero degree in five degree temperature ranges to surveyed area with refrigeration plant, with rainfall and flooding simulation equipment, surveyed area is carried out to rainfall and ponding operation, make surveyed area formation pools zone and ponding thickness stable, with refrigeration plant, surveyed area is carried out again coolingly, make inner ponding become icing state; Contactless highway pavement state sensor and the whole state change process of high precision pavement state parameters sensor real-time testing.Data processing unit receives the data of data-in port and artificial input in real time, and carry out contactless highway pavement state sensor duty judgement, detect confirming performance and on-line calibration, complete the on-line calibration work of contactless highway pavement sensor.
Embodiment recited above is described preferred implementation of the present utility model; not scope of the present utility model is limited; design under spiritual prerequisite not departing from the utility model; various distortion and improvement that the common engineering technical personnel in this area make technical solutions of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (3)
1. a highway pavement state sensor on-line calibration device, it is characterized in that: comprise high precision pavement state parameters sensor and pavement state sensor processing unit, described high precision pavement state parameters sensor comprises data output interface, power supply unit and a plurality of sensors connectivity port, and described data output interface is connected with the high-precision sensor data receiver port of data processing unit; Described pavement state sensor processing unit is connected with pavement state standard set-up by data-in port, and described pavement state sensor processing unit is connected with the road surface sensor data receiver port of data processing unit by data-out port.
2. a kind of highway pavement state sensor on-line calibration device according to claim 1, is characterized in that: described high precision road surface parameter sensors also comprises display unit.
3. a kind of highway pavement state sensor on-line calibration device according to claim 1 and 2, is characterized in that: described pavement state standard set-up comprises pavement state sensor test side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804193.7U CN203744998U (en) | 2013-12-10 | 2013-12-10 | On-line calibrating device for highway pavement state sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804193.7U CN203744998U (en) | 2013-12-10 | 2013-12-10 | On-line calibrating device for highway pavement state sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744998U true CN203744998U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804193.7U Expired - Fee Related CN203744998U (en) | 2013-12-10 | 2013-12-10 | On-line calibrating device for highway pavement state sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203744998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019582A (en) * | 2021-11-08 | 2022-02-08 | 湖南省交通科学研究院有限公司 | Intelligent icing monitoring and early warning method and system |
-
2013
- 2013-12-10 CN CN201320804193.7U patent/CN203744998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019582A (en) * | 2021-11-08 | 2022-02-08 | 湖南省交通科学研究院有限公司 | Intelligent icing monitoring and early warning method and system |
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Legal Events
| 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 |
Granted publication date: 20140730 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |