CN205263168U - Traffic pilot lamp work monitoring system based on GPRS network - Google Patents
Traffic pilot lamp work monitoring system based on GPRS network Download PDFInfo
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- CN205263168U CN205263168U CN201520972786.3U CN201520972786U CN205263168U CN 205263168 U CN205263168 U CN 205263168U CN 201520972786 U CN201520972786 U CN 201520972786U CN 205263168 U CN205263168 U CN 205263168U
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Abstract
The utility model belongs to the technical field of the monitoring system technique and specifically relates to a traffic pilot lamp work monitoring system based on GPRS network. It including exchangeable detecting element, the current detection circuit who is used for the measuring current signal, the signal conditioning circuit that is used for signal conditioning, the microprocessor who is used for signal arrangement, the opto -coupler detecting element who is used for detected voltage signal, the display circuit that is used for showing information, the detecting element 0 who is used for providing signal battery that are used for carrying on current switchover, the GPRS module of GPRS network communication, the host computer that is used for collecting the server of signal and is used for the detecting element 1 analysis be used for carrying on. The utility model discloses an exchangeable detecting element converts the alternating current of traffic pilot lamp to direct current to make things convenient for current detection circuit to carry out the detection of current signal, simultaneously, opto -coupler detecting element utilizes the opto -coupler characteristic to it detects to carry out the indirect of signal voltage, and, utilize the GPRS module to realize the GPRS network communication of signal.
Description
Technical field
The utility model relates to monitoring system technical field, and especially a kind of traffic based on GPRS network refers toShow lamp work monitoring system.
Background technology
As everyone knows, along with socioeconomic development, urban transport problems becomes Jiao of social growing interestPoint. Traffic lights are to ensure highway and the unimpeded and safe basis of road traffic. Under this background, rightThe real-time monitoring of traffic lights duty is had higher requirement. Traditional traffic lights fault detect still stopsStay the mode that regular designated person patrols and examines, therefore sense cycle is long, information feedback speed is slow, is detected asThis height. Present stage, traffic light status detected that to mainly contain mutual inductance detection, dividing potential drop detection, the detection of boosting, light anti-Feedback detection etc. It is to be connected in series sectional pressure element in tested loop that dividing potential drop detects, and has by detecting on sectional pressure elementNo-voltage, judges that there is no current in tested loop. There is the advantage that circuit is simple, cost is low, reliability is high,But power consumption is larger, be unfavorable for working under the high temperature of field.
The detection of boosting is to be connected in series step-up transformer in tested loop, by detecting transformer-secondary voltage,Judge that there is no current in loop. Compare dividing potential drop and detect, its power consumption greatly reduces, but volume of transformer is larger,Affect the density of arranging of circuit. Light feedback detects according to bright, the state of going out of signal lamp and judges that signal lamp oughtFront ruuning situation, effectively overcomes the erroneous judgement that traditional detection scheme causes due to problems such as external circuit electric leakagesPhenomenon, also can avoid electromagnetic interference, but is subject to environmental disturbances. Mutual inductance detects in anti-interference, high accuracyTraffic signal light condition detects has the incomparable advantage of other detection methods.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model be to provide a kind of based onThe stop-light work monitoring system of GPRS network.
To achieve these goals, the utility model adopts following technical scheme:
A stop-light work monitoring system based on GPRS network, it comprise mutual inductance detecting unit,Current detection circuit, signal conditioning circuit, microprocessor, optocoupler detecting unit, display circuit, voltage stabilizingPower supply, GPRS module, server and host computer;
Described mutual inductance detecting unit converts the AC signal of stop-light to direct current signal signal is defeatedEnter to current detection circuit, described current detection circuit sensed current signal also inputs to signal tune by signalReason circuit, described optocoupler detecting unit detects the voltage signal of stop-light and signal is inputed to signalModulate circuit, described signal conditioning circuit is nursed one's health signal and signal is inputed to microprocessor, instituteState that microprocessor arranges signal and by signal feedback to display circuit and GPRS module, described GPRSModule is sent to server by signal by GPRS network, and described server receives signal and signal is passed throughGPRS network is delivered to host computer;
Described voltage-stabilized power supply is carried out power supply signal voltage stabilizing and the signal after voltage stabilizing is inputed to microprocessor.
Preferably, described microprocessor is also electrically connected with key circuit, warning circuit and storage chip.
Preferably, described storage chip is Eeprom storage chip.
Preferably, described current detection circuit comprises the first amplifier and the second amplifier, described the first amplifierEnd of oppisite phase is connected with mutual inductance detecting unit by the second resistance, described the second resistance and mutual inductance detecting unit itBetween by the first electric capacity and the first resistance eutral grounding, the end of oppisite phase of described the first amplifier by connect successively theTwo resistance are connected with the end of oppisite phase of the second amplifier with the 3rd resistance, and the end of oppisite phase of described the first amplifier is by theOne diode is connected with the output of self, the output of described the first amplifier by connect successively secondDiode is connected with the end of oppisite phase of the second amplifier with the 6th resistance, described the second diode and the 6th resistance itBetween be connected with the end of oppisite phase of the first amplifier by the 5th resistance, the end of oppisite phase of described the second amplifier passes through the 8thResistance and the output of self, the in-phase end of described the second amplifier is by the 7th resistance eutral grounding, described secondThe output of amplifier is by the second capacity earth, and the output of described the second amplifier is by the 9th resistance and letterNumber modulate circuit connects, and the junction of described the 9th resistance and signal conditioning circuit connects by the second diodeGround.
Owing to having adopted such scheme, the utility model by mutual inductance detecting unit by the friendship of stop-lightStream current conversion becomes DC current, thereby facilitates current detection circuit to carry out the detection of current signal; Meanwhile,Optocoupler detecting unit utilizes optocoupler characteristic, thereby carries out the indirect detection of signal voltage; And, utilize GPRSModule realizes the GPRS network communication of signal, and it is simple in structure, easy to operate, has very strong practicality.
Brief description of the drawings
Fig. 1 is the structural principle schematic diagram of the utility model embodiment;
Fig. 2 is the circuit structure diagram of the current detection circuit of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the utility model canImplement with the multitude of different ways that is defined by the claims and covers.
As shown in Figure 1, a kind of stop-light work monitoring based on GPRS network that the present embodiment providesSystem, it comprises mutual inductance detecting unit 1, current detection circuit 2, signal conditioning circuit 4, microprocessor7, optocoupler detecting unit 3, display circuit 6, voltage-stabilized power supply 5, GPRS module 11, server 12 and onPosition machine 13;
Mutual inductance detecting unit 1 converts the AC signal of stop-light to direct current signal and signal is inputtedTo current detection circuit 2, current detection circuit 2 sensed current signal also input to signal condition electricity by signalRoad 4, optocoupler detecting unit 3 detects the voltage signal of stop-light and signal is inputed to signal condition electricityRoad 4, signal conditioning circuit 4 is nursed one's health signal and signal is inputed to microprocessor 7, microprocessor7 signal is arranged and by signal feedback to display circuit 6 and GPRS module 11, GPRS module 11Signal is sent to server 12 by GPRS network, and server 12 receives signal and signal is passed through to GPRSNetwork is delivered to host computer 13;
Voltage-stabilized power supply 5 is carried out power supply signal voltage stabilizing and the signal after voltage stabilizing is inputed to microprocessor 7.
Further, microprocessor 7 is also electrically connected with key circuit 10, warning circuit 8 and storage chip9。
Further, storage chip 9 is Eeprom storage chip.
The present embodiment converts the alternating current of stop-light to DC current by mutual inductance detecting unit 1,Thereby facilitate current detection circuit 2 to carry out the detection of current signal; Meanwhile, optocoupler detecting unit 3 utilizesOptocoupler characteristic, thus carry out the indirect detection of signal voltage, and the signal detecting is all by signal condition electricityNurse one's health on road 4, to meet the demand of microprocessor work. The result detecting utilizes display circuit 6 to enterRow shows, utilizes warning circuit 8 to realize danger early warning, utilizes storage chip 9 to carry out information storage, profitSignal is sent to server 12 by GPRS module 11. For guarantee microprocessor 7 is normally worked, ad hocBe equipped with voltage-stabilized power supply 5, utilize voltage-stabilized power supply 5 in real time for microprocessor 7 provides voltage-stabilized power supply signal, and profitRealize the work of microprocessor 7 to regulate and control with key circuit 10. Carry out operated from a distance for operating personnel,Realize by host computer 13, operating personnel only need utilize host computer 13 to extract number to server 12It is believed that breath, learn detection data message by webpage, and carry out data processing and work regulation and control.
The current detection circuit of the present embodiment can adopt circuit structure as shown in Figure 2, comprises the first fortunePut A1 and the second amplifier A2, the end of oppisite phase of the first amplifier A1 is by the second resistance R 2 and mutual inductance detecting unit1 connects, and passes through the first capacitor C 1 and the first resistance R 1 between the second resistance R 2 and mutual inductance detecting unit 1Ground connection, the end of oppisite phase of the first amplifier A1 is by the second resistance R 2 and the 3rd resistance R 3 and of connecting successivelyThe end of oppisite phase of two amplifier A2 connects, and the end of oppisite phase of the first amplifier A1 is by the first diode D1 and selfOutput connects, and the output of the first amplifier A1 is by the second diode D2 and the 6th electricity of connecting successivelyResistance R6 is connected with the end of oppisite phase of the second amplifier A2, between the second diode D2 and the 6th resistance R 6, passes throughThe 5th resistance R 5 is connected with the end of oppisite phase of the first amplifier A1, and the end of oppisite phase of the second amplifier A2 is by the 8th electricityResistance R8 and the output of self, the in-phase end of the second amplifier A2 is by the 7th resistance R 7 ground connection, and second transportsPut the output of A2 by the second capacitor C 2 ground connection, the output of the second amplifier A2 is by the 9th resistance R 9Be connected with signal conditioning circuit 4, the 9th resistance R 9 passes through the two or two with the junction of signal conditioning circuit 4Utmost point pipe D2 ground connection.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specialProfit scope, every equivalent structure or equivalent flow process of utilizing the utility model description and accompanying drawing content to doConversion, or be directly or indirectly used in other relevant technical fields, be all in like manner included in the utility modelScope of patent protection in.
Claims (4)
1. the stop-light work monitoring system based on GPRS network, is characterized in that: its bagDraw together mutual inductance detecting unit, current detection circuit, signal conditioning circuit, microprocessor, optocoupler detecting unit,Display circuit, voltage-stabilized power supply, GPRS module, server and host computer;
Described mutual inductance detecting unit converts the AC signal of stop-light to direct current signal signal is defeatedEnter to current detection circuit, described current detection circuit sensed current signal also inputs to signal tune by signalReason circuit, described optocoupler detecting unit detects the voltage signal of stop-light and signal is inputed to signalModulate circuit, described signal conditioning circuit is nursed one's health signal and signal is inputed to microprocessor, instituteState that microprocessor arranges signal and by signal feedback to display circuit and GPRS module, described GPRSModule is sent to server by signal by GPRS network, and described server receives signal and signal is passed throughGPRS network is delivered to host computer;
Described voltage-stabilized power supply is carried out power supply signal voltage stabilizing and the signal after voltage stabilizing is inputed to microprocessor.
2. a kind of stop-light work monitoring system based on GPRS network as claimed in claim 1,It is characterized in that: described microprocessor is also electrically connected with key circuit, warning circuit and storage chip.
3. a kind of stop-light work monitoring system based on GPRS network as claimed in claim 2,It is characterized in that: described storage chip is Eeprom storage chip.
4. a kind of stop-light work monitoring system based on GPRS network as claimed in claim 2,It is characterized in that: described current detection circuit comprises the first amplifier and the second amplifier, described the first amplifierEnd of oppisite phase is connected with mutual inductance detecting unit by the second resistance, described the second resistance and mutual inductance detecting unit itBetween by the first electric capacity and the first resistance eutral grounding, the end of oppisite phase of described the first amplifier by connect successively theTwo resistance are connected with the end of oppisite phase of the second amplifier with the 3rd resistance, and the end of oppisite phase of described the first amplifier is by theOne diode is connected with the output of self, the output of described the first amplifier by connect successively secondDiode is connected with the end of oppisite phase of the second amplifier with the 6th resistance, described the second diode and the 6th resistance itBetween be connected with the end of oppisite phase of the first amplifier by the 5th resistance, the end of oppisite phase of described the second amplifier passes through the 8thResistance and the output of self, the in-phase end of described the second amplifier is by the 7th resistance eutral grounding, described secondThe output of amplifier is by the second capacity earth, and the output of described the second amplifier is by the 9th resistance and letterNumber modulate circuit connects, and the junction of described the 9th resistance and signal conditioning circuit connects by the second diodeGround.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520972786.3U CN205263168U (en) | 2015-11-27 | 2015-11-27 | Traffic pilot lamp work monitoring system based on GPRS network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520972786.3U CN205263168U (en) | 2015-11-27 | 2015-11-27 | Traffic pilot lamp work monitoring system based on GPRS network |
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|---|---|
| CN205263168U true CN205263168U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520972786.3U Expired - Fee Related CN205263168U (en) | 2015-11-27 | 2015-11-27 | Traffic pilot lamp work monitoring system based on GPRS network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632008A (en) * | 2019-01-18 | 2019-04-16 | 湖北唐人科技有限公司 | A kind of traffic lights on-line monitoring system based on sensor monitoring |
-
2015
- 2015-11-27 CN CN201520972786.3U patent/CN205263168U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632008A (en) * | 2019-01-18 | 2019-04-16 | 湖北唐人科技有限公司 | A kind of traffic lights on-line monitoring system based on sensor monitoring |
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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: 20160525 Termination date: 20161127 |