CN104167108A - Traffic light display system with amplifying circuit - Google Patents
Traffic light display system with amplifying circuit Download PDFInfo
- Publication number
- CN104167108A CN104167108A CN201410423008.9A CN201410423008A CN104167108A CN 104167108 A CN104167108 A CN 104167108A CN 201410423008 A CN201410423008 A CN 201410423008A CN 104167108 A CN104167108 A CN 104167108A
- Authority
- CN
- China
- Prior art keywords
- transport
- placing device
- wireless communication
- traffic lights
- amplifying circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention discloses a traffic light display system with an amplifying circuit. The traffic light display system comprises a traffic light column, and a WiFi hotspot, a controller, a mobile terminal and a first wireless communication chip are arranged on the traffic light column. The WiFi hotspot and the first wireless communication chip are respectively connected with the controller, a pressure sensor is arranged on a road around the traffic light column and connected with a second wireless communication chip arranged on the roadside through a lead, the first wireless communication chip is connected with the second wireless communication chip through communication, and the mobile terminal is connected with the controller in a communication mode through the WiFi hotspot. A sampling circuit, a filter circuit and the amplifying circuit are sequentially in series connection between the pressure sensor and the second wireless communication chip, and the amplifying circuit comprises an operational amplifier A1, an operational amplifier A2 and a triode T1. The problem that the state of a traffic light and waiting time cannot be seen is solved.
Description
Technical field
The present invention relates to a kind of traffic lights display system with amplifying circuit, the concrete long traffic light intersection of vehicle queue that is applied to.
Background technology
At present, automobile becomes a part for people's life, is bringing into play great effect in traffic, at present at traffic light intersection, often occur that cart blocks the phenomenon of rear car, and at some busy crossings, vehicle queue is long, make rear car can't see the state of traffic lights at all.And the traffic lights problem such as displaying time not in some cities, when longer in the stand-by period, driver easily produces irritated psychology, thereby occurs rushing lamp phenomenon.Although the traffic lights in some cities itself can not carry out time showing, but its control center remains and traffic lights is controlled by the time.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of traffic lights display system with amplifying circuit, to solve the problem that cannot see lights state and stand-by period.
For achieving the above object, the technical solution used in the present invention is:
A kind of traffic lights display system with amplifying circuit, comprise traffic lights lamppost, on described traffic lights lamppost, set up WiFi focus, controller, mobile terminal and the first wireless communication chips, described WiFi focus is all connected with controller with the first wireless communication chips, on traffic lights lamppost road around, pressure transducer is set, described pressure transducer is connected with the second wireless communication chips that is set in roadside by wire, described the first wireless communication chips and the communication connection of the second wireless communication chips, described mobile terminal communicates to connect by WiFi focus and controller, between described pressure transducer and the second wireless communication chips, connect successively sample circuit, filtering circuit and amplifying circuit, described amplifying circuit, comprise transport and placing device A1, transport and placing device A2 and triode T1, the inverting input resistance in series R1 of described transport and placing device A1, series diode D1 and capacitor C 1 between the output terminal of the in-phase input end of transport and placing device A1 and transport and placing device A1, the anode of this diode D1 is connected with the in-phase input end of transport and placing device A1, the negative electrode of diode D1 is connected with capacitor C 1, the output terminal of described transport and placing device A1 is connected with the base stage of triode T1, and the inter-collector of the inverting input of transport and placing device A1 and triode T1 is resistance in series R2 and resistance R 3 successively, the collector of triode T1 is connected with the in-phase input end of transport and placing device A2, and series capacitance C2 between the in-phase input end of transport and placing device A2 and ground, resistance in series R4 between the output terminal of the inverting input of described transport and placing device A2 and transport and placing device A2, described transport and placing device A2 the output terminal ground connection of connecting with resistance R 6.
Preferably, described controller adopts DSP process chip.
Preferably, described mobile terminal is smart mobile phone or vehicle-mounted computer.
Preferably, the distance of described pressure transducer and traffic lights lamppost is 15 meters.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, by WiFi focus and controller are set on traffic lights lamppost, and on corresponding road, pressure transducer is set, when pressure transducer detects pressure signal, just open WiFi focus, by WiFi focus by the state transfer of traffic lights to smart mobile phone, and traffic lights not displaying time only traffic lights digital display screen is not installed, its control center has clock count function, and by WiFi focus by intelligent terminal by time showing out, thereby do not need traffic lights to carry out complicated transformation, with regard to can solution the problem of displaying time never, thereby solved the problem that cannot see lights state and stand-by period.By controller and pressure transducer, control closing of WiFi focus simultaneously, saved the energy.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the principle of work block diagram of the traffic lights display system with amplifying circuit described in the embodiment of the present invention;
Fig. 2 is the electronic circuitry of the amplifying circuit described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of traffic lights display system with amplifying circuit, comprise traffic lights lamppost, on traffic lights lamppost, set up WiFi focus, controller, mobile terminal and the first wireless communication chips, WiFi focus is all connected with controller with the first wireless communication chips, on traffic lights lamppost road around, pressure transducer is set, pressure transducer is connected with the second wireless communication chips that is set in roadside by wire, the first wireless communication chips and the communication connection of the second wireless communication chips, described mobile terminal communicates to connect by WiFi focus and controller.At ordinary times, the first wireless communication chips and the second wireless communication chips be in holding state, i.e. low power run, when pressure transducer detects pressure signal, trigger the second wireless communication chips, thereby make the first wireless communication chips and the second wireless communication chips set up data transmission channel.The signal of pressure transducer is transferred to after controller through the second wireless communication chips and the first wireless communication chips, controller is opened WiFi focus, and mobile terminal is connected with WiFi focus by preassembled application program, thereby receive the traffic light status information from WiFi focus.When controller does not receive the information from pressure transducer, just control WiFi focus and close.Another pressure transducer also can be connected with controller by wire, between pressure transducer and the second wireless communication chips, connect successively sample circuit, filtering circuit and amplifying circuit, amplifying circuit as shown in Figure 2, comprise transport and placing device A1, transport and placing device A2 and triode T1, the inverting input resistance in series R1 of transport and placing device A1, series diode D1 and capacitor C 1 between the output terminal of the in-phase input end of transport and placing device A1 and transport and placing device A1, the anode of this diode D1 is connected with the in-phase input end of transport and placing device A1, the negative electrode of diode D1 is connected with capacitor C 1, the output terminal of transport and placing device A1 is connected with the base stage of triode T1, and the inter-collector of the inverting input of transport and placing device A1 and triode T1 is resistance in series R2 and resistance R 3 successively, the collector of triode T1 is connected with the in-phase input end of transport and placing device A2, and series capacitance C2 between the in-phase input end of transport and placing device A2 and ground, resistance in series R4 between the output terminal of the inverting input of transport and placing device A2 and transport and placing device A2, transport and placing device A2 the output terminal ground connection of connecting with resistance R 6.
Preferably, controller adopts DSP process chip.
Preferably, mobile terminal is smart mobile phone or vehicle-mounted computer.
Preferably, the distance of pressure transducer and traffic lights lamppost is 15 meters.
In order to make the farther of WiFi focus transmission, on described WiFi focus, connect power amplification circuit.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a traffic lights display system with amplifying circuit, comprise traffic lights lamppost, it is characterized in that, on described traffic lights lamppost, set up WiFi focus, controller, mobile terminal and the first wireless communication chips, described WiFi focus is all connected with controller with the first wireless communication chips, on traffic lights lamppost road around, pressure transducer is set, described pressure transducer is connected with the second wireless communication chips that is set in roadside by wire, described the first wireless communication chips and the communication connection of the second wireless communication chips, described mobile terminal communicates to connect by WiFi focus and controller, between described pressure transducer and the second wireless communication chips, connect successively sample circuit, filtering circuit and amplifying circuit, described amplifying circuit, comprise transport and placing device A1, transport and placing device A2 and triode T1, the inverting input resistance in series R1 of described transport and placing device A1, series diode D1 and capacitor C 1 between the output terminal of the in-phase input end of transport and placing device A1 and transport and placing device A1, the anode of this diode D1 is connected with the in-phase input end of transport and placing device A1, the negative electrode of diode D1 is connected with capacitor C 1, the output terminal of described transport and placing device A1 is connected with the base stage of triode T1, and the inter-collector of the inverting input of transport and placing device A1 and triode T1 is resistance in series R2 and resistance R 3 successively, the collector of triode T1 is connected with the in-phase input end of transport and placing device A2, and series capacitance C2 between the in-phase input end of transport and placing device A2 and ground, resistance in series R4 between the output terminal of the inverting input of described transport and placing device A2 and transport and placing device A2, described transport and placing device A2 the output terminal ground connection of connecting with resistance R 6.
2. a kind of traffic lights display system with amplifying circuit according to claim 1, is characterized in that, described controller adopts DSP process chip.
3. a kind of traffic lights display system with amplifying circuit according to claim 1 and 2, is characterized in that, described mobile terminal is smart mobile phone or vehicle-mounted computer.
4. a kind of traffic lights display system with amplifying circuit according to claim 3, is characterized in that, the distance of described pressure transducer and traffic lights lamppost is 15 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423008.9A CN104167108A (en) | 2014-08-26 | 2014-08-26 | Traffic light display system with amplifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423008.9A CN104167108A (en) | 2014-08-26 | 2014-08-26 | Traffic light display system with amplifying circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104167108A true CN104167108A (en) | 2014-11-26 |
Family
ID=51910894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410423008.9A Pending CN104167108A (en) | 2014-08-26 | 2014-08-26 | Traffic light display system with amplifying circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104167108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436161A (en) * | 2016-05-27 | 2017-12-05 | 四方特变电工智能电气有限公司 | Transformer information remote transmitting data acquisition device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202939804U (en) * | 2012-11-26 | 2013-05-15 | 东营市万明电子科技有限公司 | Intelligent control system for traffic light |
| CN203386368U (en) * | 2013-06-26 | 2014-01-08 | 广州市森特自动化控制技术有限公司 | Vehicular traffic light display system |
| CN103735135A (en) * | 2013-12-09 | 2014-04-23 | 无锡市优耐特石化装备有限公司 | Intelligent egg storage device with amplifying circuit |
| KR20140096469A (en) * | 2013-01-27 | 2014-08-06 | 김정원 | A Wireless Communication Device and Method for Traffic Signals Status Information |
-
2014
- 2014-08-26 CN CN201410423008.9A patent/CN104167108A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202939804U (en) * | 2012-11-26 | 2013-05-15 | 东营市万明电子科技有限公司 | Intelligent control system for traffic light |
| KR20140096469A (en) * | 2013-01-27 | 2014-08-06 | 김정원 | A Wireless Communication Device and Method for Traffic Signals Status Information |
| CN203386368U (en) * | 2013-06-26 | 2014-01-08 | 广州市森特自动化控制技术有限公司 | Vehicular traffic light display system |
| CN103735135A (en) * | 2013-12-09 | 2014-04-23 | 无锡市优耐特石化装备有限公司 | Intelligent egg storage device with amplifying circuit |
Non-Patent Citations (1)
| Title |
|---|
| 张湘洁: "《模拟电子技术》", 31 August 2009, article "集成运算放大器的应用", pages: 151-156 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436161A (en) * | 2016-05-27 | 2017-12-05 | 四方特变电工智能电气有限公司 | Transformer information remote transmitting data acquisition device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201556307U (en) | Automatic bus station reporting device based on wireless radiofrequency communication technology | |
| CN201955922U (en) | Park lot management system | |
| CN205003856U (en) | Magnetoresistive sensor vehicle test device | |
| CN104167103A (en) | Traffic light display system with power amplifying circuit | |
| CN104167108A (en) | Traffic light display system with amplifying circuit | |
| CN204578789U (en) | Low-power consumption car networked terminals equipment | |
| CN105006157A (en) | Intelligent traffic control system | |
| CN205022452U (en) | Electric automobile pedestrian warns system | |
| CN104167107A (en) | Traffic light display system with amplifying circuit | |
| CN104167106A (en) | Traffic light display system with filter circuit | |
| CN108242939A (en) | Optimize the method, apparatus and board units of board units receiving sensitivity | |
| CN104200691A (en) | Traffic light display system with sampling circuit | |
| CN108965439A (en) | A kind of emergency method of the vehicle traffic accident emergency system based on WIFI communication module | |
| CN104167106B (en) | There is the traffic lights display system of filter circuit | |
| CN104200626A (en) | Traffic light display system | |
| CN203396402U (en) | Vehicle navigation system | |
| CN204117360U (en) | Radio-frequency (RF) identification trigger pip converter | |
| CN208489989U (en) | A kind of mobile unit and vehicle based on V2X | |
| CN104164845A (en) | Intelligent traffic sign board with power amplifying circuit | |
| CN104164844B (en) | There is the intelligent transportation sign board of amplifying circuit | |
| CN205068781U (en) | Traffic light control system based on infrared ray sensor | |
| CN104200690A (en) | Traffic light display method | |
| CN103646564A (en) | Bus automatic station reporting apparatus based on single-chip microcomputer | |
| CN104240526B (en) | A kind of intelligent transportation sign board with amplifying circuit | |
| CN203119951U (en) | Vehicular entertainment information system based on Android |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141126 |