CN202795753U - Traffic flow monitoring system - Google Patents
Traffic flow monitoring system Download PDFInfo
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- CN202795753U CN202795753U CN 201220387864 CN201220387864U CN202795753U CN 202795753 U CN202795753 U CN 202795753U CN 201220387864 CN201220387864 CN 201220387864 CN 201220387864 U CN201220387864 U CN 201220387864U CN 202795753 U CN202795753 U CN 202795753U
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- parking stall
- geomagnetic parking
- gateway
- stall detector
- magnetic field
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Abstract
The utility model provides a traffic flow monitoring system, relating to the field of traffic management, for solving the problem of being incapable of obtaining precise traffic flow monitoring information in the current traffic flow monitoring method. The traffic flow monitoring system disclosed by the utility model comprises a geomagnetic parking space detector, a gateway and a data centre, wherein the geomagnetic parking space detector is connected to the gateway through a wireless network; the gateway is connected with the data centre; the geomagnetic parking space detector is used for detecting a magnetic field and reporting change of the magnetic field to the gateway through the wireless network when the magnetic field is changed; and the gateway is used for receiving change of the magnetic field sent by the geomagnetic parking space detector through the wireless network and sending change of the magnetic field to the data centre.
Description
Technical field
The present invention relates to field of traffic control, relate in particular to a kind of traffic flow monitoring system.
Background technology
Existing monitoring method to road traffic condition (being the real-time traffic flow situation) comprises that mainly video monitor realizes, the characteristic parameter that detects as road traffic with contrast distortion and luminance distortion.The method is complicated, and is subjected to the impact of weather, the speed of a motor vehicle, and precision is not high.Because it is a kind of detection mode of macroscopic view that video detects, and can't draw the car flow information specific to each highway section, some concrete time points.
To sum up, existing wagon flow condition monitoring method can't obtain accurate traffic flow monitoring information.
The utility model content
The utility model provides a kind of traffic flow monitoring system, has solved the problem that existing wagon flow condition monitoring method can't obtain accurate traffic flow monitoring information.
A kind of traffic flow monitoring system comprises geomagnetic parking stall detector, gateway and data center, and described geomagnetic parking stall detector is connected to described gateway by wireless network, and described gateway links to each other with described data center;
Described geomagnetic parking stall detector carries out detection of magnetic field, when changes of magnetic field changes of magnetic field is reported to described gateway by described wireless network;
Described gateway receives the changes of magnetic field that described geomagnetic parking stall detector sends by described wireless network, and described changes of magnetic field is sent to described data center.
Preferably, described geomagnetic parking stall detector comprises a plurality of magneto-dependent sensor modules of carrying out detection of magnetic field, and the frequency of operation of described magneto-dependent sensor is 300MHz or higher.
Preferably, described geomagnetic parking stall detector has a timer, and described timer is repeatedly according to the during cycle timing, and described timer reports heartbeat to triggering constantly described geomagnetic parking stall detector to described gateway at every turn.
Preferably, described geomagnetic parking stall detector is connected with battery, and described battery is described geomagnetic parking stall detector power supply.
Preferably, described geomagnetic parking stall detector also comprises a 433MHz wireless module, and described geomagnetic parking stall detector communicates by a described 433MHz wireless module and described gateway.
Preferably, described gateway comprises the 2nd 433MHz wireless module and GPRS transceiver module;
Described the 2nd 433MHz wireless module is communicated by letter with described geomagnetic parking stall detector;
Described GPRS transceiver module is communicated by letter with described data center.
The utility model provides a kind of traffic flow monitoring system, comprise the geomagnetic parking stall detector, gateway and data center, described geomagnetic parking stall detector is connected to described gateway by wireless network, described gateway links to each other with described data center, described geomagnetic parking stall detector carries out detection of magnetic field, when changes of magnetic field, changes of magnetic field is reported to described gateway by described wireless network, described network element receives the changes of magnetic field that described geomagnetic parking stall detector sends by described wireless network, and described changes of magnetic field is sent to described data center, realized by the monitoring of earth magnetism to the wagon flow situation, solved the problem that existing wagon flow condition monitoring method can't obtain accurate traffic flow monitoring information.
Description of drawings
The structural representation of a kind of traffic flow monitoring system that Fig. 1 provides for embodiment of the present utility model;
The principle of work synoptic diagram of the traffic flow monitoring system that Fig. 2 provides for embodiment of the present utility model.
Embodiment
Can't obtain the problem of accurate traffic flow monitoring information in order to solve existing wagon flow condition monitoring method, embodiment of the present utility model provides a kind of traffic flow monitoring system.Hereinafter in connection with accompanying drawing embodiment of the present utility model is elaborated.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
The traffic flow monitoring system architecture that the utility model embodiment provides comprises geomagnetic parking stall detector 101, gateway 102 and data center 103 as shown in Figure 1.Described geomagnetic parking stall detector 103 is connected to described gateway 102 by wireless network, and described gateway 102 links to each other with described data center 103.
Described geomagnetic parking stall detector 101 carries out detection of magnetic field, when changes of magnetic field changes of magnetic field is reported to described gateway 102 by described wireless network;
Described gateway 102 receives the changes of magnetic field that described geomagnetic parking stall detector 101 sends by described wireless network, and described changes of magnetic field is sent to described data center 103.
Preferably, described geomagnetic parking stall detector 101 comprises a plurality of magneto-dependent sensor modules of carrying out detection of magnetic field, and the frequency of operation of described magneto-dependent sensor is 300MHz or higher.
Described geomagnetic parking stall detector 101 also has a timer, and described timer is repeatedly according to the during cycle timing, and described timer reports heartbeat to triggering constantly described geomagnetic parking stall detector to described gateway at every turn.
Described geomagnetic parking stall detector 101 is connected with battery, and described battery is described geomagnetic parking stall detector power supply.
Preferably, described geomagnetic parking stall detector 101 also comprises a 433MHz wireless module, and described geomagnetic parking stall detector 101 communicates by a described 433MHz wireless module and described gateway 103.
Preferably, described gateway 102 comprises the 2nd 433MHz wireless module and GPRS transceiver module;
Described the 2nd 433MHz wireless module is communicated by letter with described geomagnetic parking stall detector 101;
Described GPRS transceiver module is communicated by letter with described data center 103.
The traffic flow monitoring System Working Principle that the utility model embodiment provides as shown in Figure 2, be embedded in underground geomagnetic parking stall detector 101 and carry out high-frequency detection of magnetic field (300Hz or higher), 433MHz wireless module by the 433MHz frequency range when changes of magnetic field is arranged reports to gateway 102, the information that gateway 102 adopts wireless mode (such as GPRS) that wagon flow is passed through sends to data center for the further host computer such as warning processing, so just can monitor in real time the wagon flow situation in certain location.
Each equipment in the traffic flow monitoring system that the below provides the utility model embodiment is elaborated.
(1) geomagnetic parking stall detector
The geomagnetic parking stall detector mainly is comprised of highly sensitive magneto-dependent sensor module.Highly sensitive magneto-dependent sensor carries out vehicle detection and mainly utilizes vehicle to cause the changes of magnetic field around the sensor and detect vehicle through out-of-date meeting.
The highly sensitive magneto-dependent sensor frequency of operation that the utility model embodiment adopts is 300HZ, namely gather 300 deuterzooid terrestrial magnetic field situations a second, if with 150 kilometers speed per hours by being embedded with the highway section of this detector, with 3 meters calculating of the shortest vehicle body, total radiation also needs 0.06 second by this detector, and the detection of 300HZ will have the explorer more than 15 times to pass through by probe vehicles stream.Like this, just guaranteed can not leak meter through vehicle, the accuracy that has improved system.
The geomagnetic parking stall detector gathers the magnetic field around the detector constantly, and learns, when surrounding magnetic field does not steadily report when (namely changing little), when being arranged fast, wagon flow passes through, when causing the magnetic field great change, can reported data to gateway, again again enter learning state steadily the time.
The geomagnetic parking stall detector can according to the cycle of presetting (such as 5 minutes) regularly report heartbeat to gateway, with the duty that proves oneself normally (also living).
The recognition of geomagnetic parking stall detector fast, and is highly sensitive, and have fabulous anti-crosstalk characteristic and fault detect restore funcitons.Its adaptive capacity to environment is strong, can satisfy information acquisition and processing under the severe weather conditions such as high temperature, low temperature, sleet, reaches serviceable life more than 2 years.
Preferably, the geomagnetic parking stall detector adopts the communication mode of wireless transmission, communicates by wireless network and gateway.Adopt powered battery.
(2) gateway
Gateway is mainly realized the access of WLAN (wireless local area network) (being above-mentioned wireless network) and wide area network.Gateway receives and divides into the data of all geomagnetic parking stall detector terminal nodes from this WLAN (wireless local area network), and sends it to data center.The main functional modules of gateway comprises the 2nd 433MHz wireless module and GPRS transceiver module.The 2nd 433MHz wireless module and geomagnetic parking stall detector communicate; Realize normal traffic with data center by the GPRS transceiver module, mainly comprise uploading of the normality data such as heartbeat packet.Preferably, gateway can adopt solar powered.
(3) data center
The related software of the related hardware such as the data center on backstage may computing machine, database server and system applies consists of, and data are carried out statistical study.As, statistics is the interior quantity through vehicle of section sometime, calculates the speed of a motor vehicle etc.
The utility model provides a kind of traffic flow monitoring system, comprise the geomagnetic parking stall detector, gateway and data center, described geomagnetic parking stall detector is connected to described gateway by wireless network, described gateway links to each other with described data center, described geomagnetic parking stall detector carries out detection of magnetic field, when changes of magnetic field, changes of magnetic field is reported to described gateway by described wireless network, described gateway receives the changes of magnetic field that described geomagnetic parking stall detector sends by described wireless network, and described changes of magnetic field is sent to described data center, realize passing through the geomagnetic parking stall detector to the monitoring of wagon flow situation and the collection of monitoring result data, solved the problem that existing wagon flow condition monitoring method can't obtain accurate traffic flow monitoring information.
The all or part of step that one of ordinary skill in the art will appreciate that above-described embodiment can realize with the computer program flow process, described computer program can be stored in the computer-readable recording medium, described computer program (such as system, unit, device etc.) on corresponding hardware platform is carried out, when carrying out, comprise step of embodiment of the method one or a combination set of.
Alternatively, all or part of step of above-described embodiment can realize with integrated circuit that also these steps can be made into respectively one by one integrated circuit modules, perhaps a plurality of modules in them or step is made into the single integrated circuit module and realizes.Like this, the utility model is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in above-described embodiment can adopt general calculation element to realize, they can concentrate on the single calculation element, also can be distributed on the network that a plurality of calculation elements form.
Each device/functional module/functional unit in above-described embodiment is realized with the form of software function module and during as independently production marketing or use, can be stored in the computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be ROM (read-only memory), disk or CD etc.
Anyly be familiar with those skilled in the art in the technical scope that the utility model discloses, can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the described protection domain of claim.
Claims (6)
1. a traffic flow monitoring system is characterized in that, comprises geomagnetic parking stall detector, gateway and data center, and described geomagnetic parking stall detector is connected to described gateway by wireless network, and described gateway links to each other with described data center;
Described geomagnetic parking stall detector carries out detection of magnetic field, when changes of magnetic field changes of magnetic field is reported to described gateway by described wireless network;
Described gateway receives the changes of magnetic field that described geomagnetic parking stall detector sends by described wireless network, and described changes of magnetic field is sent to described data center.
2. traffic flow monitoring according to claim 1 system is characterized in that described geomagnetic parking stall detector comprises a plurality of magneto-dependent sensor modules of carrying out detection of magnetic field, and the frequency of operation of described magneto-dependent sensor is 300MHz or higher.
3. traffic flow monitoring according to claim 2 system, it is characterized in that, described geomagnetic parking stall detector has a timer, and described timer is repeatedly according to the during cycle timing, and described timer reports heartbeat to triggering constantly described geomagnetic parking stall detector to described gateway at every turn.
4. traffic flow monitoring according to claim 2 system is characterized in that described geomagnetic parking stall detector is connected with battery, and described battery is described geomagnetic parking stall detector power supply.
5. traffic flow monitoring according to claim 2 system is characterized in that described geomagnetic parking stall detector also comprises a 433MHz wireless module, and described geomagnetic parking stall detector communicates by a described 433MHz wireless module and described gateway.
6. traffic flow monitoring according to claim 5 system is characterized in that described gateway comprises the 2nd 433MHz wireless module and GPRS transceiver module;
Described the 2nd 433MHz wireless module is communicated by letter with described geomagnetic parking stall detector;
Described GPRS transceiver module is communicated by letter with described data center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387864 CN202795753U (en) | 2012-08-07 | 2012-08-07 | Traffic flow monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387864 CN202795753U (en) | 2012-08-07 | 2012-08-07 | Traffic flow monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN202795753U true CN202795753U (en) | 2013-03-13 |
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| CN 201220387864 Expired - Lifetime CN202795753U (en) | 2012-08-07 | 2012-08-07 | Traffic flow monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700630A (en) * | 2013-12-05 | 2015-06-10 | 感知技术无锡有限公司 | Method and system for monitoring vehicle flow of highway |
-
2012
- 2012-08-07 CN CN 201220387864 patent/CN202795753U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700630A (en) * | 2013-12-05 | 2015-06-10 | 感知技术无锡有限公司 | Method and system for monitoring vehicle flow of highway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING TIMELOIT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING LOIT TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100096 Beijing City, Haidian District Xisanqi building materials City Road No. 18 building 4 layer Bestpower Patentee after: BEIJING TIMELOIT TECHNOLOGY CO.,LTD. Address before: 100096 Beijing City, Haidian District Xisanqi building materials City Road No. 18 building 4 layer Bestpower Patentee before: Beijing Timeloit Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |