CN202306828U - Traffic signal embedded-type control system based on 32-bit microprocessor - Google Patents
Traffic signal embedded-type control system based on 32-bit microprocessor Download PDFInfo
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- CN202306828U CN202306828U CN2011204146095U CN201120414609U CN202306828U CN 202306828 U CN202306828 U CN 202306828U CN 2011204146095 U CN2011204146095 U CN 2011204146095U CN 201120414609 U CN201120414609 U CN 201120414609U CN 202306828 U CN202306828 U CN 202306828U
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Abstract
The utility model relates to a control system for a drive device for signal lights at road intersections, in particular to a traffic signal embedded-type control system based on a 32-bit microprocessor, which is mainly used for traffic sign control machines for urban roads and freeways. The control system comprises a core board, a main control panel, a CPLD (Complex Programmable Logic Device), an Ethernet interface circuit, and other traffic sign control machines including a manual control board. The improved module circuits of the core board, the main control panel and the manual control board are combined to form the integral traffic signal embedded-type control system which mainly solves the technical problem that how to deign the improved module circuits of the core board, the main control panel and the manual control board, and has the advantages that associated control for road junctions is performed according to the vehicle detection for each road junction and the practical traffic flow at each road junction, so as to allow the traffic at each road junction to be more smooth and safe, and also has the advantages of convenience in use, rapidness in response, and stability and reliability.
Description
Technical field
The utility model relates to a kind of control system of drive unit of road plane Signal on Highway Cross; Especially refer to a kind of traffic signal controlling machine that is mainly used in urban road and highway; Adopt the input signal photoelectric isolating circuit, improved the traffic signals embedded control system of the antijamming capability of total system parts effectively.
Background technology
At present, traffic signal controlling machine has formed varied functional form, and is like several kinds of pedestrian's street crossing trigger-type, induction type, point coordination and multi-period timings etc., numerous in variety, each has something to recommend him.Some has often ignored the diversity of road junction and the relevance at each crossing.In reality, different treating answered at different crossings; Adopt the different phase control timing, also will pay close attention to its actual traffic flow at crossing on every side simultaneously, carry out the association control at each crossing; In addition, also exist defectives such as the antijamming capability of system's ingredient is relatively poor, the response time is long.
Summary of the invention
In order to overcome above-mentioned weak point; The fundamental purpose of the utility model aims to provide a kind of follow-on traffic signal controlling machine; The core control panel that to adopt 32 ARM9 microprocessors be core adds a master control borad that has the PLD CPLD (Complex Programmable Logic Device) of 128 inputs, output pin; Utilize 40 flexible bus to control vehicle detection plate and phase driven plate; Adopt the input signal photoelectric isolating circuit, improve the traffic signals embedded control system based on 32-bit microprocessor of the antijamming capability of total system parts effectively.
The technical matters that the utility model will solve is: mainly solve the circuit that how to design core board, master control borad and each module of manual control panel and improve problem, solve relevant technologies problems such as how designing the input signal photoelectric isolating circuit.
The utility model solves the technical scheme that its technical matters adopted: this system comprises traffic signal controlling machines such as core board, master control borad, PLD, power supply, RS232 serial port circuit, Ethernet and interface circuit; In traffic signal controlling machine, set up manual control panel; The traffic signals embedded control system that the improvement combination of circuits of above-mentioned core board, master control borad and each module of manual control panel is in aggregates; In the control system of master control borad, set up the various interface circuit, comprise interface circuit, the networking function of master control borad and core board the RJ45 Ethernet interface, upload or the RJ45 Ethernet interface of data download, USB interface, 40 the flexible bus interface circuit, the serial port circuit of three RS232, the photoelectricity of input signal of 20 of flexible bus interface circuit, real-time communications are isolated and buffering circuit, 485 interface circuits and PLD; The input/output terminal of core board is electrically connected with the I/O of master control borad each other, and the input/output terminal of master control borad is electrically connected with the I/O of manual control panel each other, and the control system of this master control borad includes at least:
One master control borad is electrically connected with the I/O of PLD with the input/output terminal of the interface circuit of core board each other;
The input/output terminal of the RJ45 Ethernet interface of one networking function is electrically connected with the I/O of PLD each other;
One uploads or the input/output terminal of the RJ45 Ethernet interface of data download is electrically connected with the I/O of PLD each other;
The input/output terminal of USB interface is electrically connected with the I/O of PLD each other;
The input/output terminal of one 40 flexible bus interface circuit is electrically connected with the I/O of PLD each other;
The output terminal of the flexible bus interface circuit that one real-time communication is 20 is electrically connected with the input end of PLD each other;
The input/output terminal of the serial port circuit of three RS232 is electrically connected with the I/O of PLD respectively each other;
The photoelectricity of one input signal is isolated and the input/output terminal of buffering circuit is electrically connected with the I/O of PLD each other;
The input/output terminal of 485 interface circuits is electrically connected with the I/O of PLD each other.
Further; The photoelectricity of the input signal of described traffic signals embedded control system based on 32-bit microprocessor is isolated and the buffering circuit comprises: on draw the exclusion RA 1 of function and the part of RA2, magnetic bead, four-way photoelectrical coupler, buffer latch and programmable logic chip to form, the photoelectricity of this input signal is isolated and the buffering circuit includes at least:
On draw the pin 2,4,6,8 of the exclusion RA1 of function to be electrically connected each other with the positive 5V port of power supply; A road of pin 1,3,5,7 is electrically connected with the pin 10,12,14,16 of four-way photoelectrical coupler IC25 respectively each other, and another road is electrically connected with the pin 18,17,16,15 of buffer latch IC11 respectively each other;
On draw the pin 2,4,6,8 of the exclusion RA2 of function to be electrically connected each other with the positive 5V port of power supply; A road of pin 1,3,5,7 is electrically connected with the pin 10,12,14,16 of four-way photoelectrical coupler IC24 respectively each other, and another road is electrically connected with the pin 14,13,12,11 of buffer latch IC11 respectively each other;
The pin 2,3,4,5,6,7,8,9 of one buffer latch IC11 is electrically connected with the pin 64,63,62,61,60,59,58,57 of a part of IC8A of programmable logic chip respectively each other; Be electrically connected each other with the pin 176 of a part of IC8A of programmable logic chip after pin 19 ground connection; Pin 20 is electrically connected pin 10 ground connection each other with the positive 5V port of power supply;
The end of magnetic bead L1, L2, L3, L4 is electrically connected with the other end of resistance R 18, R17, R16, R15 respectively each other, and the other end of magnetic bead L1, L2, L3, L4 is electrically connected with the pin 1,3,5,7 of input signal port connector XC7 respectively each other;
The end of magnetic bead L5, L6, L7, L8 is electrically connected with the other end of resistance R 22, R21, R20, R19 respectively each other, and the other end of magnetic bead L5, L6, L7, L8 is electrically connected with the pin 9,11,13,15 of input signal port connector XC7 respectively each other.
Further, the core board of described traffic signals embedded control system based on 32-bit microprocessor is 32 ARM9 microprocessors.
Further, the master control borad of described traffic signals embedded control system based on 32-bit microprocessor is the PLD CPLD that is provided with 128 inputs, output pin.
The beneficial effect of the utility model is: this system can be widely used in the control system of the drive unit of urban road grade crossing signal lamp; Adopt the input signal photoelectric isolating circuit; Make external interference be unlikely to import control panel together, improved the antijamming capability of total system parts effectively with signal; Can realize the signal lamp at different crossings is controlled separately through various communication interfaces; Simultaneously through vehicle detection to each crossing; Pay close attention to the actual traffic flow at each crossing, carry out association control, make the traffic at each crossing more smooth and easy the crossing; Safety has advantages such as easy to use, that response is very fast and reliable and stable.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Accompanying drawing 1 is the block diagram between each module of the utility model one-piece construction;
Accompanying drawing 2 is the structure block diagram of the utility model master control borad;
Accompanying drawing 3 is the utility model input signal photoelectric isolating circuit schematic diagram;
Label declaration in the accompanying drawing:
The 1-core board;
The 2-master control borad;
The 3-manual control panel;
The interface circuit of 4-master control borad and core board;
The RJ45 Ethernet interface of 5-networking function;
6-uploads or the RJ45 Ethernet interface of data download;
The 7-USB interface;
The flexible bus interface circuit of 8-40 position;
The flexible bus interface circuit that the 9-real-time communication is 20;
The serial port circuit of three RS232 of 10-;
The photoelectricity of 11-input signal is isolated and the buffering circuit;
The 12-485 interface circuit;
The 13-PLD;
Embodiment
See also accompanying drawing 1, shown in 2; The utility model comprises traffic signal controlling machines such as core board 1, master control borad 2, PLD 13, power supply, RS232 serial port circuit, Ethernet and interface circuit; In traffic signal controlling machine, set up manual control panel 3; The improvement combination of circuits traffic signals embedded control system in aggregates of above-mentioned core board 1, master control borad 2 and manual control panel 3 each module; In the control system of master control borad 2, set up the various interface circuit, comprise interface circuit 4, the networking function of master control borad and core board RJ45 Ethernet interface 5, upload or the flexible bus interface circuit of 20 of flexible bus interface circuit 8, the real-time communications of 7,40 of RJ45 Ethernet interface 6, the USB interfaces of data download 9, the serial port circuit 10 of three RS232, the photoelectricity of input signal are isolated and buffering circuit 11,485 interface circuits 12 and PLD 13; The input/output terminal of core board 1 is electrically connected with the I/O of master control borad 2 each other, and the input/output terminal of master control borad 2 is electrically connected with the I/O of manual control panel 3 each other, and the control system of this master control borad 2 includes at least:
One master control borad is electrically connected with the I/O of PLD 13 with the input/output terminal of the interface circuit 4 of core board each other;
The RJ45 Ethernet of one networking function connects 5 input/output terminal and is electrically connected each other with the I/O of PLD 13;
One uploads or the input/output terminal of the RJ45 Ethernet interface 6 of data download is electrically connected with the I/O of PLD 13 each other;
The input/output terminal of USB interface 7 is electrically connected with the I/O of PLD 13 each other;
The input/output terminal of one 40 flexible bus interface circuit 8 is electrically connected with the I/O of PLD 13 each other;
The output terminal of the flexible bus interface circuit 9 that one real-time communication is 20 is electrically connected with the input end of PLD 13 each other;
The input/output terminal of the serial port circuit 10 of three RS232 is electrically connected with the I/O of PLD 13 respectively each other;
The photoelectricity of one input signal is isolated and the input/output terminal of buffering circuit 11 is electrically connected with the I/O of PLD 13 each other;
The input/output terminal of 485 interface circuits 12 is electrically connected with the I/O of PLD 13 each other.
See also shown in the accompanying drawing 3; Further; The photoelectricity of the input signal of described traffic signals embedded control system based on 32-bit microprocessor is isolated and buffering circuit 11 comprises: on draw the exclusion RA1 of function and the part of RA2, magnetic bead, four-way photoelectrical coupler, buffer latch and programmable logic chip to form, the photoelectricity of this input signal is isolated and is cushioned circuit 11 and includes at least:
On draw the pin 2,4,6,8 of the exclusion RA1 of function to be electrically connected each other with the positive 5V port of power supply; A road of pin 1,3,5,7 is electrically connected with the pin 10,12,14,16 of four-way photoelectrical coupler IC25 respectively each other, and another road is electrically connected with the pin 18,17,16,15 of buffer latch IC11 respectively each other;
On draw the pin 2,4,6,8 of the exclusion RA2 of function to be electrically connected each other with the positive 5V port of power supply; A road of pin 1,3,5,7 is electrically connected with the pin 10,12,14,16 of four-way photoelectrical coupler IC24 respectively each other, and another road is electrically connected with the pin 14,13,12,11 of buffer latch IC11 respectively each other;
The pin 2,3,4,5,6,7,8,9 of one buffer latch IC11 is electrically connected with the pin 64,63,62,61,60,59,58,57 of a part of IC8A of programmable logic chip respectively each other; Be electrically connected each other with the pin 176 of a part of IC8A of programmable logic chip after pin 19 ground connection; Pin 20 is electrically connected pin 10 ground connection each other with the positive 5V port of power supply;
The end of magnetic bead L1, L2, L3, L4 is electrically connected with the other end of resistance R 18, R17, R16, R15 respectively each other, and the other end of magnetic bead L1, L2, L3, L4 is electrically connected with the pin 1,3,5,7 of input signal port connector XC7 respectively each other;
The end of magnetic bead L5, L6, L7, L8 is electrically connected with the other end of resistance R 22, R21, R20, R19 respectively each other, and the other end of magnetic bead L5, L6, L7, L8 is electrically connected with the pin 9,11,13,15 of input signal port connector XC7 respectively each other.
Further, the core board 1 of described traffic signals embedded control system based on 32-bit microprocessor is 32 ARM9 microprocessors.
Further, the master control borad 2 of described traffic signals embedded control system based on 32-bit microprocessor is for being provided with the PLD CPLD (Complex Programmable Logic Device) of 128 inputs, output pin.
The specific structural features of the utility model is following:
See also accompanying drawing 1,2, shown in 3; The core control panel that it is core that the utility model adopts 32 ARM9 microprocessors adds a master control borad 2 that has the PLD (CPLD) of 128 inputs, output pin, utilizes 40 flexible bus to control vehicle detection plate and phase driven plate.
Integrated on master control borad:
1). two RJ45 Ethernet interfaces, a USB interface, four have the RS232 serial port function, can upload or data download, and one is used for networking function;
2). the flexible bus connector of one 40 pin is used for the signal transmission of control panel and vehicle detection plate and phase driven plate;
3). eight LED, with the real-time working state of indication master control borad;
4). with photoelectrical coupler input signal is isolated, to strengthen the antijamming capability of native system;
5). be used for the interface circuit that is connected with core board 1;
6). the flexible bus connector of one 20 pin, to carry out real-time communication with control panel.
See also shown in the accompanying drawing 2; Structural representation for master control borad in this embodiment 2; Wherein include master control borad and core board interface circuit 4, be used for networking function RJ45 Ethernet interface 5, have the RS232 serial port function, can upload or the flexible bus interface circuit 8 of 7,40 of RJ45 Ethernet interface 6, the USB interfaces of data download, the photoelectricity that carries out 20 flexible bus interface circuit 9 of real-time communication, the serial port circuit 10 that is used to expand three RS232 of other outer connection function, input signal with control panel is isolated and cushion circuit 11 (physical circuit is Fig. 3), 485 interface circuits 12 and PLD 13;
See also shown in the accompanying drawing 3; Be input signal photoelectric isolating circuit (11 among Fig. 2); Wherein comprise the exclusion RA1 and the RA2 that draw function on 2, input signal port connector XC7 carries out the processing and the isolation of input signal with 8 magnetic beads (L1, L2, L3, L4, L5, L6, L7 and L8) and 2 four-way photoelectrical couplers (IC24 and IC25) TLP521; IC11 is a buffer latch; IC8A is the part of programmable logic chip, makes external interference be unlikely to import control panel together with signal, has improved the antijamming capability of total system parts effectively.
The technical characterictic of the utility model is following:
1). as shown in Figure 1: adopt core control panel and master control borad cascade mode, wherein, core board is a core main body with the high-performance ARM chip AT91SAM9G20 of atmel corp, and it links to each other with master control borad through interface as shown in Figure 1;
2). master control borad is as shown in Figure 2, carries out data interchange through 40 flexible bus interfaces 8 and vehicle detection plate and phase control plate, carries out the real-time traffic management of grade crossing;
3). the master control borad of this control system parts is as shown in Figure 2, through the flexible bus interface circuit 9 of 20 of real-time communications, receives the signal of manual control panel, and then can carry out artificial manual control;
4). the rich interface of this control system parts, upload or RJ45 Ethernet interface 6, the USB interface 7 of data download and being used to expanded the serial port circuit 10 of three RS232 of other outer connection function, can realize communication modes such as Ethernet, RS232;
5). the parameter set-up mode of this control system parts is various; Can be through uploading or the RJ45 Ethernet interface of data download 6 is downloaded; Also can download, phase place is set, the traffic lights group is set, communications parameter is set and other controlled variable are set through USB interface 7;
6). this control system parts self detect and initiatively report to the police, when master control borad 2 detect or operational process in when noting abnormalities, can initiatively report to the police, and, determine the action of whole teleseme according to the interface circuit of errorlevel through 485 interface circuits 12 to control center;
7). this control system parts are isolated and buffering circuit 11 (physical circuit is Fig. 3) through the photoelectricity of input signal, carry out the isolation of input signal, strengthen the antijamming capability of native system parts;
8). the purposes of the utility model is that signal of being used for grade crossing etc. is controlled.
Though the utility model is described with reference to current specific embodiment; But those of ordinary skill in the art should be realized that; Above embodiment is used for explaining the utility model, under the situation that does not break away from the utility model spirit, also can make the variation and the modification of various equivalences, therefore; As long as to the variation of the foregoing description, conversion all will drop in the scope of the utility model claims in the connotation scope of the utility model.
Claims (4)
1. traffic signals embedded control system based on 32-bit microprocessor; This system comprises the traffic signal controlling machine of core board (1), master control borad (2), PLD (13), power supply, RS232 serial port circuit, Ethernet and interface circuit; It is characterized in that: in traffic signal controlling machine, set up manual control panel (3); The improvement combination of circuits traffic signals embedded control system in aggregates of above-mentioned core board (1), master control borad (2) and each module of manual control panel (3); In the control system of master control borad (2), set up the various interface circuit, comprise interface circuit (4), the networking function of master control borad and core board RJ45 Ethernet interface (5), upload or the RJ45 Ethernet interface (6) of data download, USB interface (7), 40 the flexible bus interface circuit (9), the serial port circuit (10) of three RS232, the photoelectricity of input signal of 20 of flexible bus interface circuit (8), real-time communications are isolated and buffering circuit (11), 485 interface circuits (12) and PLD (13); The input/output terminal of core board (1) is electrically connected with the I/O of master control borad (2) each other, and the input/output terminal of master control borad (2) is electrically connected with the I/O of manual control panel (3) each other, and the control system of this master control borad (2) includes at least:
One master control borad is electrically connected with the I/O of PLD (13) with the input/output terminal of the interface circuit (4) of core board each other;
The input/output terminal of the RJ45 Ethernet interface (5) of one networking function is electrically connected with the I/O of PLD (13) each other;
One uploads or the input/output terminal of the RJ45 Ethernet interface (6) of data download is electrically connected with the I/O of PLD (13) each other;
The input/output terminal of USB interface (7) is electrically connected with the I/O of PLD (13) each other;
The input/output terminal of one 40 flexible bus interface circuit (8) is electrically connected with the I/O of PLD (13) each other;
The output terminal of the flexible bus interface circuit (9) that one real-time communication is 20 is electrically connected with the input end of PLD (13) each other;
The input/output terminal of the serial port circuit of three RS232 (10) is electrically connected with the I/O of PLD (13) respectively each other;
The photoelectricity of one input signal is isolated and the input/output terminal of buffering circuit (11) is electrically connected with the I/O of PLD (13) each other;
The input/output terminal of 485 interface circuits (12) is electrically connected with the I/O of PLD (13) each other.
2. the traffic signals embedded control system based on 32-bit microprocessor according to claim 1; It is characterized in that: the photoelectricity of described input signal is isolated and buffering circuit (11) comprising: on draw the exclusion RA1 of function and the part of RA2, magnetic bead, four-way photoelectrical coupler, buffer latch and programmable logic chip to form, the photoelectricity of this input signal is isolated and is cushioned circuit (11) and includes at least:
On draw the pin 2,4,6,8 of the exclusion RA1 of function to be electrically connected each other with the positive 5V port of power supply; A road of pin 1,3,5,7 is electrically connected with the pin 10,12,14,16 of four-way photoelectrical coupler IC25 respectively each other, and another road is electrically connected with the pin 18,17,16,15 of buffer latch IC11 respectively each other;
On draw the pin 2,4,6,8 of the exclusion RA2 of function to be electrically connected each other with the positive 5V port of power supply; A road of pin 1,3,5,7 is electrically connected with the pin 10,12,14,16 of four-way photoelectrical coupler IC24 respectively each other, and another road is electrically connected with the pin 14,13,12,11 of buffer latch IC11 respectively each other;
The pin 2,3,4,5,6,7,8,9 of one buffer latch IC11 is electrically connected with the pin 64,63,62,61,60,59,58,57 of a part of IC8A of programmable logic chip respectively each other; Be electrically connected each other with the pin 176 of a part of IC8A of programmable logic chip after pin 19 ground connection; Pin 20 is electrically connected pin 10 ground connection each other with the positive 5V port of power supply;
Pin 9,11,13, the 15 back connected with each other ground connection of four-way photoelectrical coupler IC24, pin 10,12,14,16 is electrically connected with the pin 14,13,12,11 of buffer latch IC11 respectively each other; A road of pin 7,5,3,1 is electrically connected with the end of resistance R 22, R21, R20, R19 respectively each other; Another road is electrically connected with the end of capacitor C 9, C10, C11, C12 respectively each other, and pin 2,4,6,8 backs connected with each other are electrically connected with the other end of capacitor C 9, C10, C11, C12 each other;
Pin 9,11,13, the 15 back connected with each other ground connection of four-way photoelectrical coupler IC25, pin 10,12,14,16 is electrically connected with the pin 18,17,16,15 of buffer latch IC11 respectively each other; A road of pin 7,5,3,1 is electrically connected with the end of resistance R 18, R17, R16, R15 respectively each other; Another road is electrically connected with the end of capacitor C 1, C2, C3, C4 respectively each other, and pin 2,4,6,8 backs connected with each other are electrically connected with the other end of capacitor C 1, C2, C3, C4 each other;
The end of magnetic bead L1, L2, L3, L4 is electrically connected with the other end of resistance R 18, R17, R16, R15 respectively each other, and the other end of magnetic bead L1, L2, L3, L4 is electrically connected with the pin 1,3,5,7 of input signal port connector XC7 respectively each other;
The end of magnetic bead L5, L6, L7, L8 is electrically connected with the other end of resistance R 22, R21, R20, R19 respectively each other, and the other end of magnetic bead L5, L6, L7, L8 is electrically connected with the pin 9,11,13,15 of input signal port connector XC7 respectively each other.
3. the traffic signals embedded control system based on 32-bit microprocessor according to claim 1 is characterized in that: described core board (1) is 32 ARM9 microprocessors.
4. the traffic signals embedded control system based on 32-bit microprocessor according to claim 1 is characterized in that: described master control borad (2) is for being provided with the PLD CPLD of 128 inputs, output pin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204146095U CN202306828U (en) | 2011-10-27 | 2011-10-27 | Traffic signal embedded-type control system based on 32-bit microprocessor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204146095U CN202306828U (en) | 2011-10-27 | 2011-10-27 | Traffic signal embedded-type control system based on 32-bit microprocessor |
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| CN202306828U true CN202306828U (en) | 2012-07-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982687A (en) * | 2012-11-29 | 2013-03-20 | 青岛海信网络科技股份有限公司 | Signaler manual control system and method for quick phase insertion |
| CN105373080A (en) * | 2015-11-25 | 2016-03-02 | 张碧陶 | Collaborative numerical control system based on soft bus |
| CN116189457A (en) * | 2023-03-09 | 2023-05-30 | 深圳榕亨实业集团有限公司 | Intelligent manual control device for traffic |
-
2011
- 2011-10-27 CN CN2011204146095U patent/CN202306828U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982687A (en) * | 2012-11-29 | 2013-03-20 | 青岛海信网络科技股份有限公司 | Signaler manual control system and method for quick phase insertion |
| CN105373080A (en) * | 2015-11-25 | 2016-03-02 | 张碧陶 | Collaborative numerical control system based on soft bus |
| CN116189457A (en) * | 2023-03-09 | 2023-05-30 | 深圳榕亨实业集团有限公司 | Intelligent manual control device for traffic |
| CN116189457B (en) * | 2023-03-09 | 2023-12-26 | 深圳榕亨实业集团有限公司 | Intelligent manual control device for traffic |
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Granted publication date: 20120704 Termination date: 20201027 |