CN1391197A - Traffic throughput monitor system - Google Patents

Traffic throughput monitor system Download PDF

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Publication number
CN1391197A
CN1391197A CN 02125310 CN02125310A CN1391197A CN 1391197 A CN1391197 A CN 1391197A CN 02125310 CN02125310 CN 02125310 CN 02125310 A CN02125310 A CN 02125310A CN 1391197 A CN1391197 A CN 1391197A
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CN
China
Prior art keywords
signal
traffic
monitor system
transmission line
traffic flow
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CN 02125310
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Chinese (zh)
Inventor
陈少元
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陈少元
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Application filed by 陈少元 filed Critical 陈少元
Priority to CN 02125310 priority Critical patent/CN1391197A/en
Publication of CN1391197A publication Critical patent/CN1391197A/en

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Abstract

A traffic throughput monitor system is composed of traffic throughput signals pick-up devices and terminal signal processor. Said traffic-throughput signals can be transmitted from said pick-up devices to said processor via power transmission line, especially the one for road lamps. Its advantage is low cost.

Description

一种交通流量监测系统 A traffic flow monitoring system

技术领域 FIELD

本发明涉及电子技术领域,尤其涉及一种交通流量监测系统。 The present invention relates to electronic technologies, and in particular, to a traffic flow monitor system.

本发明的目的是这样实现的:一种交通流量监测系统,包括交通流量信号采集装置和终端信号综合处理装置,交通流量信号采集装置将采集到的交通流量信号经信号传输线路传送至终端信号综合处理装置,所述的信号传输线路采用的是电力传输线路。 Object of the present invention is implemented as follows: A traffic flow monitor system, the consolidated processing device comprising signal acquisition means and the terminal traffic signal, traffic signal acquisition device the collected traffic signal transmitted to the signal transmission line terminal signal synthesizer processing means of said signal transmission line uses a power transmission line.

所述的电力传输线路为路灯用供电线路。 The power transmission line of lights supply lines.

所述的交通流量信号采集装置为信号传感器,信号传感器通过信号调制器与电力传输线路相连,信号传感器将采集的交通流量信息以数字信号输出至信号调制器,并由信号调制器调制成载波信号。 Traffic signal acquisition means according to the signal sensor, the sensor signal by the signal modulator is connected to the power transmission lines, traffic signal information acquisition sensor signal to a digital signal modulator, is modulated by a signal modulator into a carrier signal .

所述的终端信号综合处理装置包括信号解调器、信号接收器和信号处理装置,信号解调器将载波信号解调成数字信号送至信号接收器进行接收,信号接收器再将接收到的信号送至信号处理装置进行处理,并获取交通流量信息。 The terminal apparatus includes a signal processing integrated signal demodulator, signal receiver and signal processing apparatus, signal demodulator demodulates the carrier signal into a digital signal to the signal receiver receives a signal to the receiver and then received signal to the signal processing apparatus for processing, and acquires traffic information.

所述的终端信号综合处理装置还包括信号发射装置,用于将信号处理装置获取的交通流量信息发射出去。 Said terminal apparatus further comprises a signal processing integrated signal transmitting apparatus for traffic signal information processing apparatus acquired emitted.

所述的信号发射装置中还包括对待发射流通流量信息的加密处理机制。 Said signal transmitting apparatus further comprises a processing mechanism to be encrypted transmit traffic flow information.

由上述技术方案可以看出,本发明由于采用了现有的电力线路作为数据信息传输线路,大大节约了对交通流量进行监测的成本,降低了本发明的实施难度。 As can be seen from the above technical solution, since the present invention uses existing power line as a data transmission path information, significant cost savings to monitor traffic flow, reducing the difficulty of implementing the present invention. 本发明的应用可以使交通管理部门可以实时准确地了解各路段的交通流量情况,并可以将所掌握的各个路段的交通流量情况实时地提供给需要了解该信息的用户,为用户的出行带来了极大的方便,同时可有效调节各路段的车辆流量,使各路段的交通更为顺畅。 Application of the invention allows real-time traffic management department can accurately understand the various sections of the traffic situation and traffic situation can be mastered in each section of the need to know in real time to provide the user information for users travel brings a great convenience, and can effectively regulate traffic flow in each section, each section of the traffic more smoothly.

本发明所述的一种交通流量监测系统,包括交通流量信号采集装置和终端信号综合处理装置,交通流量信号采集装置将采集到的交通流量信号经信号传输线路传送至终端信号综合处理装置,所述的信号传输线路采用的是电力传输线路,且尤其适合采用路灯用供电线路。 Traffic signal via signal transmission line transmits a signal to the terminal device for the integrated processing of the traffic flow monitor system according to the present invention, the consolidated processing device comprises a signal acquisition device and the terminal traffic signal, traffic signal acquisition device will be collected, the said signal transmission line of the power transmission line is used, and particularly suitable for street supply lines.

本发明的具体实施结合附图叙述如下,参见图1:本发明中首先由多个信号采集装置进行交通流量信息的采集,如图1中的信号采集装置1、信号采集装置2、……、信号采集装置n,信号采集装置可以为光电传感器,或电磁波传感器,或红外热源传感器等,传感器将采集的交通流量信息以数字信号输出至各自的信号调制器,如图1中的信号调制器1、信号调制器2、……、信号调制器n,并由信号调制器调制成载波信号,通过电力传输线路向外传输,并由终端信号综合处理装置接收,载波信号可以为方波信号、锯齿波信号等,载波信号的频率可以根据需要设置,但不能与电力传输线路中传输的电信号频率相同。 Specific embodiments of the present invention is described in conjunction with the following drawings, see Figure 1: the present invention is first traffic information collected by the plurality of signal acquisition device, signal acquisition device 1 in FIG. 1, a signal acquisition device 2, ......, signal acquisition device n, the signal acquisition device may be a photosensor, or the electromagnetic sensor, an infrared heat sensor or the like, traffic information collected by the sensor to a digital signal to a respective signal modulator, a signal modulator in Figure 1 , signal modulator 2, ......, signal modulator n, modulated by a signal modulator into a carrier signal, transmitted outward through the power transmission line, the receiving terminal by the integrated signal processing apparatus, the carrier signal may be a square wave signal, a sawtooth wave signals, the frequency of the carrier signal may be provided as necessary, but not the same frequency electrical signal transmission and power transmission lines. 所述的终端信号综合处理装置包括信号解调器、信号接收器和信号处理装置,信号解调器将载波信号解调成数字信号送至信号接收器进行接收,信号接收器再将接收到的信号送至信号处理装置进行处理,并获取交通流量信息。 The terminal apparatus includes a signal processing integrated signal demodulator, signal receiver and signal processing apparatus, signal demodulator demodulates the carrier signal into a digital signal to the signal receiver receives a signal to the receiver and then received signal to the signal processing apparatus for processing, and acquires traffic information.

本发明中的终端信号综合处理装置还可以包括信号发射装置,用于将信号处理装置获取的交通流量信息发射出去,以提供给需要交通流量信息的用户。 The integrated signal processing in the terminal apparatus of the present invention may further include a signal transmitting means for traffic information processing apparatus acquired signal emitted, needs to provide the user traffic information. 为了有针对性的进行交通流量信息的发送还需要在信号发射装置中对待发射流通流量信息的加密处理机制,从而使符合权限的用户才可以进行交通流量信息的接收。 For targeted for transmission of information traffic handling mechanism also needs to be encrypted transmit traffic flow information in the signal transmitting apparatus, so that the user meets rights can receive traffic information.

Claims (6)

1.一种交通流量监测系统,包括交通流量信号采集装置和终端信号综合处理装置,交通流量信号采集装置将采集到的交通流量信号经信号传输线路传送至终端信号综合处理装置,其特征在于所述的信号传输线路采用的是电力传输线路。 Traffic signal via signal transmission line transmits a signal to the integrated terminal processing apparatus 1. A traffic flow monitor system, the integrated processing means comprising signal acquisition means and the terminal traffic signals, traffic signal acquisition device will be collected, characterized in that said signal transmission line is employed power transmission line.
2.根据权利要求1所述的交通流量监测系统,其特征在于所述的电力传输线路为路灯用供电线路。 2. The traffic flow monitor system according to claim 1, wherein said power transmission line as a street light power supply line.
3.根据权利要求1所述的交通流量监测系统,其特征在于所述的交通流量信号采集装置为信号传感器,信号传感器通过信号调制器与电力传输线路相连,信号传感器将采集的交通流量信息以数字信号输出至信号调制器,并由信号调制器调制成载波信号。 The traffic flow monitor system according to claim 1, characterized in that said signal acquisition device is a traffic signal sensor signal of the sensor is connected to the power transmission line by the signal modulator, the signal sensor collected traffic information the digital signal to the signal modulator, is modulated by a signal modulator into a carrier signal.
4.根据权利要求3所述的交通流量监测系统,其特征在于所述的终端信号综合处理装置包括信号解调器、信号接收器和信号处理装置,信号解调器将载波信号解调成数字信号送至信号接收器进行接收,信号接收器再将接收到的信号送至信号处理装置进行处理,并获取交通流量信息。 4. The traffic flow monitor system according to claim 3, wherein said signal terminal means includes a signal processing integrated demodulator, signal receiver and signal processing apparatus, signal demodulator demodulates the carrier signal into a digital signal to the signal receiver receives a signal to the signal processing apparatus and then received by the signal receiver for processing, and acquires traffic information.
5.根据权利要求4所述的交通流量监测系统,其特征在于所述的终端信号综合处理装置还包括信号发射装置,用于将信号处理装置获取的交通流量信息发射出去。 The traffic flow monitor system according to claim 4, wherein said signal terminal of the integrated signal processing apparatus further comprises a transmitting means for processing traffic information signal obtaining means emitted.
6.根据权利要求5所述的交通流量监测系统,其特征在于所述的信号发射装置中还包括对待发射流通流量信息的加密处理机制。 6. The traffic flow monitor system according to claim 5, wherein said signal transmitting apparatus further includes an encryption processing mechanism for traffic flow treatment transmit information.
CN 02125310 2002-07-24 2002-07-24 Traffic throughput monitor system CN1391197A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100416584C (en) 2005-01-19 2008-09-03 北京交通大学 Road traffic flow data quality controlling method and apparatus
CN100450322C (en) * 2003-06-25 2009-01-07 福建省电力试验研究院;厦门亿创技术开发有限公司 Streetlight system power supply communication signal relay transmission mode
CN102065576A (en) * 2010-09-20 2011-05-18 江南大学 Sensor network-based object flow monitoring system and application thereof
CN107146418A (en) * 2017-06-22 2017-09-08 南京南大光电工程研究院有限公司 Vehicle flowrate monitoring method based on photoelectric measurement technology

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100450322C (en) * 2003-06-25 2009-01-07 福建省电力试验研究院;厦门亿创技术开发有限公司 Streetlight system power supply communication signal relay transmission mode
CN100416584C (en) 2005-01-19 2008-09-03 北京交通大学 Road traffic flow data quality controlling method and apparatus
CN102065576A (en) * 2010-09-20 2011-05-18 江南大学 Sensor network-based object flow monitoring system and application thereof
CN107146418A (en) * 2017-06-22 2017-09-08 南京南大光电工程研究院有限公司 Vehicle flowrate monitoring method based on photoelectric measurement technology

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