CN202939802U - Yellow flashing controller of traffic light - Google Patents
Yellow flashing controller of traffic light Download PDFInfo
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- CN202939802U CN202939802U CN 201220623247 CN201220623247U CN202939802U CN 202939802 U CN202939802 U CN 202939802U CN 201220623247 CN201220623247 CN 201220623247 CN 201220623247 U CN201220623247 U CN 201220623247U CN 202939802 U CN202939802 U CN 202939802U
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Abstract
The utility model relates to a yellow flashing controller of traffic lights, and solves a problem that a yellow flashing controller in conventional traffic lights are under the control of a master control module. The yellow flashing controller of the traffic lights comprises a master control unit and a lamp set power supply, wherein the controller includes a signal conversion unit, an FPGA unit, a switching unit and a yellow flashing driving unit; the master control module is connected with the signal conversion unit; the signal conversion unit is connected with the FPGA unit; a control end of the switching unit is connected with the FPGA unit; the yellow flashing driving unit and the lamp set power supply are connected with the switching unit; and the switching unit is further connected with the yellow lamp of the traffic lights. According to the yellow flashing controller of the traffic lights, detection functions of voltage and current of the lamp set are added, and thus whether the traffic lights work normally can be quickly and effectively found; and an external manually-operated switch is added, and thus the yellow light can be under compulsory control for performing yellow flashing.
Description
Technical field
The utility model relates to road traffic signal lamp control technology field, relates in particular to a kind of yellow controller that dodges of traffic lights that can work independently, is not subjected to the traffic lights master control module controls.
Background technology
Traffic lights commander people correctly travel on road and walking plays critical effect, are the basic languages of road traffic.Traffic lights are classifications of public safety, are to reduce road traffic accident frequency rate, road improvement jam situation, the promotion signal of interest instrument that the roads were clear of traffic.When traffic signal controlling machine broke down, teleseme will uncontrollable traffic lights, and the traffic signals lantern festival quits work, and traffic lights need to be downgraded to yellow state this moment and be used for caution pedestrian and driver.And the Huang of present many traffic lights dodges the main control module that controller all is controlled by traffic lights, the driving circuit that drives traffic lights also derives from traffic lights, as long as any one module in the power circuit module of the main control module in traffic lights or the work of driving traffic lights breaks down, traffic lights just quit work, and also can't carry out Huang to signal lamp and dodge control.So just have a strong impact on the safety traffic of people's road traffics, caused the generation of traffic hazard.Be 201020142831.X as application number, name is called the Chinese utility model of the sun power moving traffic light controller with yellow sudden strain of a muscle function, this controller is comprised of single-chip microcomputer, charging circuit, signal drive circuit, clock module, membrane keyboard and LED display and under-voltage pilot lamp, described single-chip microcomputer obtains the current time by clock module, compare with Huang sudden strain of a muscle time period of setting, entering yellow sudden strain of a muscle during the period, the output signal of adjusting described signal drive circuit is yellow glitch; Control the size of charge in batteries voltage by charging circuit with described single-chip microcomputer.This patent just has above-mentioned shortcoming: driving the yellow signal drive circuit that dodges is all the single-chip microcomputer that is controlled by signal lamp, and the power supply that drives the work of lamp group also is subjected to Single-chip Controlling, like this when the single-chip microcomputer in signal lamp breaks down, signal lamp quits work, also can't carry out Huang to signal lamp simultaneously and dodge control, have a strong impact on the safety traffic of people's road traffics, caused the generation of traffic hazard.
Summary of the invention
The utility model has mainly solved existing traffic lights Neihuang County's sudden strain of a muscle controller and has been controlled by main control module, when the power circuit module of main control module or the work of driving traffic lights goes wrong, traffic lights can't carry out the yellow problem of controlling of dodging to signal lamp, provide a kind of and can work independently, are not subjected to the traffic lights Huang of traffic lights master control module controls to dodge controller.
The technical scheme that its technical matters that solves the utility model adopts is: the yellow controller that dodges of a kind of traffic lights, comprise main control unit and lamp group power supply, controller includes signal conversion unit, FPGA unit, switch unit and the yellow driver element that dodges, this main control module is connected with signal conversion unit, signal conversion unit is connected with the FPGA unit, the control end of described switch unit is connected with the FPGA unit, yellow sudden strain of a muscle driver element and lamp group power supply are connected on switch unit, also connect the amber light of traffic lights on switch unit.In the utility model, signal conversion unit is mainly completed isolation and the level conversion to input/output signal, the main control module of traffic lights is connected with signal conversion unit, signal conversion unit is passed to the FPGA unit with the square-wave signal of traffic lights main control module, and the output state that the synchronous signal converting unit is also dodged Huang controller feeds back to traffic lights.The yellow sudden strain of a muscle processed and judged whether to start in the FPGA unit to the signal of signal conversion module input, transmit control signal to yellow driver element if start yellow the sudden strain of a muscle, the signal that FPGA unit and being responsible for dodges Huang controller feeds back to the traffic lights main control module by signal conversion unit.The yellow driver element that dodges is controlled amber light and is carried out light on and off after the yellow glitch of startup of receiving the FPGA unit.The yellow controller that dodges of the utility model is not subjected to initiatively module controls of traffic lights for can work independently, and when having realized the interior main control module of traffic lights or having driven the traffic lights power supply going wrong, the traffic lights lamp is yellow purpose of dodging normally.
As a kind of preferred version, described switch unit is relay circuit, this relay circuit comprises the relay coil that is subjected to FPGA cell signal control work, and moving contact, the first stationary contact and the second stationary contact, the FPGA unit is connected on the circuit of relay coil, described the first stationary contact is connected to yellow the sudden strain of a muscle on driver element, and described the second contact, border is connected on lamp group power supply, and described moving contact is connected with the traffic lights amber light.In the utility model, switching device shifter adopts solid-state relay, control the traffic lights amber light and normally dodge two states with Huang, the work of FPGA unit controls relay circuit is when moving contact contacts with the first stationary contact, dodge driver element control amber light by Huang and carry out light on and off, realize yellow the sudden strain of a muscle.
As a kind of preferred version, controller also includes forces the yellow extraneous hand switch that dodges, and described extraneous hand switch is connected on signal conversion unit.This external world's hand switch makes as required, and the forced signal machine carries out the Huang sudden strain of a muscle, make the yellow controller that dodges to drive separately traffic lights, effectively facilitate in addition the traffic police to carry out the yellow sudden strain of a muscle work of forced signal lamp according to special road section, thereby improved yellow stability and the reliability of dodging controller work of traffic lights.
As a kind of preferred version, controller also includes electric current and voltage and goes back to the inspection unit, and electric current and voltage returns between inspection unit input end is connected to lamp group power supply and switch unit is connected, and electric current and voltage returns to be examined the unit output terminal and be connected on the FPGA unit.This electric current and voltage returns the voltage and current of inspection unit inspection traffic lights lamp group, whether normally can detect fast and effectively the work of traffic lights lamp group, electric current and voltage return the inspection unit detected information is sent to the FPGA unit, if the work of teleseme lamp group is undesired, the FPGA unit starts yellow the sudden strain of a muscle after receiving information, will take care under steam with caution pedestrian and driver.
As a kind of preferred version, controller also includes the caution unit, and described caution unit is connected on the FPGA unit.When the FPGA unit inspection breaks down to teleseme lamp group voltage or electric current, send a signal to the caution unit, provide caution or alerting signal by the caution unit.
The utility model has the advantages that: 1. can work independently, be not subjected to initiatively module controls of traffic lights, when having realized the interior main control module of traffic lights or having driven the traffic lights power supply going wrong, the traffic lights lamp is yellow purpose of dodging normally.2. increase the measuring ability of lamp group voltage and current, can find fast and effectively whether traffic lights work is normal, the yellow controller that dodges starts amber light at once and glimmers and will take care under steam for caution pedestrian and driver if traffic lights quit work.3. extraneous hand switch can be controlled the yellow controller that dodges and forces amber light to carry out Huang to dodge, and this function mainly is used in the traffic control crossing, and the traffic police can carry out the people for control and need signal lamp output at Huang sudden strain of a muscle state according to special road conditions sometimes.
Description of drawings
Fig. 1 is a kind of structural framing schematic diagram of the present utility model.
The 3-switch unit 4-yellow driver element 5-electric current and voltage that dodges in 1-signal conversion unit 2-FPGA unit returns the extraneous hand switch 12-of inspection unit 6-caution unit 7-signal lamp 8-main control module 10-lamp group power supply 11-relay coil 13-moving contact 14-first stationary contact 15-the second stationary contact 16-amber light
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described.
Embodiment:
the yellow controller that dodges of a kind of traffic lights of the present embodiment, as shown in Figure 1, the yellow controller that dodges includes signal conversion unit 1, FPGA unit 2, Switching power 3, the yellow driver element 4 that dodges, electric current and voltage returns to be examined unit 5 and warns unit 6, this signal conversion unit is connected with the FPGA unit, the FPGA unit is connected with the control end of switch unit, the yellow driver element that dodges is connected on switch unit, the amber light 16 that also connects traffic lights on switch unit, signal lamp includes main control unit 8 and lamp group power supply 10, switch unit is connected with lamp group power supply, this amber light is connected with lamp group power supply by switch unit, main control module and the caution unit all be connected on signal conversion unit, electric current and voltage returns between inspection unit input end is connected to lamp group power supply 10 and switch unit 3 is connected, electric current and voltage returns inspection unit output terminal and is connected on FPGA unit 2.In the present embodiment, switch unit adopts the solid-state relay circuit, this solid-state relay circuit includes the relay coil 12 that is subjected to FPGA cell signal control work, and moving contact 13, the first stationary contact 14 and the second stationary contact 15, this FPGA unit is connected with the relay coil circuit, the first stationary contact is connected with the yellow driver element 4 that dodges, the second border is touched and is connected with lamp group power supply 10, and moving contact is connected with the traffic lights amber light.Controller also includes extraneous hand switch 11, and extraneous hand switch is connected on signal conversion unit.
In this yellow sudden strain of a muscle controller, signal conversion unit is used for completing isolation and the level conversion to input/output signal, main control module sends square wave to signal conversion unit, signal conversion unit is passed to the FPGA unit after the square-wave signal of main control module is processed, and the output state that the synchronous signal converting unit is also dodged Huang controller feeds back to traffic lights.The yellow sudden strain of a muscle processed and judged whether to start in the FPGA unit to the signal of signal conversion module input, transmit control signal to yellow driver element if start yellow the sudden strain of a muscle, the signal that FPGA unit and being responsible for dodges Huang controller feeds back to the traffic lights main control module by signal conversion unit.The yellow driver element that dodges is controlled amber light and is carried out light on and off after the yellow glitch of startup of receiving the FPGA unit.Extraneous hand switch makes as required, and the forced signal machine carries out the Huang sudden strain of a muscle.
yellow dodge that in controller and traffic lights, communicating by letter between main control module is employing hardware handshaking signal, main control module is constantly given the yellow controller input square-wave signal that dodges, whether the square-wave signal that yellow sudden strain of a muscle controller is constantly monitored input is normal, if signal lamp breaks down, the square wave of main control module input disappears, the FPGA unit starts yellow the sudden strain of a muscle according to the signal judgement of signal conversion unit input, the FPGA unit sends and starts yellow glitch to switch unit, make the solid-state relay coil circuit conducting work in switch unit, moving contact breaks away from the second stationary contact and contacts with the first stationary contact, the yellow drive unit drives amber light that dodges glimmers.also having a kind of situation to work as lamp group power supply breaks down, and still normally sending square wave, main control module dodges controller to Huang, because electric current and voltage goes back to the inspection unit, the output terminal of solid-state relay is detected, can in time send a signal to the FPGA unit when detecting lamp group voltage or electric current and break down, warn the unit by the FPGA unit controls and provide caution and alerting signal, the FPGA unit judges starts yellow the sudden strain of a muscle in addition, the FPGA unit sends enabling signal to switch unit, make the solid-state relay coil circuit conducting work in switch unit, moving contact breaks away from the second stationary contact and contacts with the first stationary contact, the yellow drive unit drives amber light that dodges glimmers.In addition, can also be according to special circumstances and the yellow sudden strain of a muscle work of forced signal lamp is carried out in manually-operated, press extraneous hand switch, the FPGA unit receives this signal by signal conversion unit, start yellow glitch to switch unit, make the solid-state relay coil circuit conducting work in switch unit, moving contact breaks away from the second stationary contact and contacts with the first stationary contact, and the yellow drive unit drives amber light that dodges glimmers.
Here to go back to the inspection unit be that the null character of crossing according to the 220V alternating current designs to the detection of voltage to electric current and voltage, and its principle is Huang to be dodged the signal of 220V power supply after the isolation conversion on the solid-state relay of output terminal on controller enter FPGA and detect.And current detecting is according to the AC characteristic that flows through the signal lamp electric current, adopts the micro-transformer of current of 1000:1 to detect load current.Adopt mutual inductor can effectively isolate the strong and weak electricity signal, and the little distortion of power consumption is few.The amber light power circuit is passed the interstitial hole of mutual inductor, secondary connects 100 ohm of sampling resistors, and this detection signal is by diode clamp following by inputting voltages device, has guaranteed that according to the characteristic of amplifier output voltage is no more than supply voltage, is input at last the yellow controller that dodges.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used signal conversion unit, FPGA unit, switch unit, the yellow term such as driver element that dodges, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (5)
1. a traffic lights Huang dodges controller, traffic lights comprise main control unit and lamp group power supply, it is characterized in that: controller includes signal conversion unit (1), FPGA unit (2), switch unit (3) and the yellow driver element (4) that dodges, this main control module (8) is connected with signal conversion unit, signal conversion unit is connected with the FPGA unit, the control end of described switch unit is connected with the FPGA unit, yellow sudden strain of a muscle driver element (4) and lamp group power supply (10) are connected on switch unit, also connect the amber light (16) of traffic lights on switch unit.
2. a kind of traffic lights Huang according to claim 1 dodges controller, it is characterized in that described switch unit (4) is relay circuit, this relay circuit comprises the relay coil (23) that is subjected to FPGA cell signal control work, and moving contact (13), the first stationary contact (14) and the second stationary contact (15), the FPGA unit is connected on the circuit of relay coil, described the first stationary contact is connected to yellow the sudden strain of a muscle on driver element (4), described the second contact, border is connected on lamp group power supply (10), and described moving contact is connected with the traffic lights amber light.
3. the yellow controller that dodges of a kind of traffic lights according to claim 1 and 2, is characterized in that controller also includes the extraneous hand switch (11) of forcing yellow sudden strain of a muscle, and described extraneous hand switch is connected on signal conversion unit (1).
4. a kind of traffic lights Huang according to claim 1 and 2 dodges controller, it is characterized in that controller also include electric current and voltage return the inspection unit (5), electric current and voltage returns between inspection unit input end is connected to lamp group power supply (10) and switch unit (3) is connected, and electric current and voltage returns to be examined the unit output terminal and be connected on FPGA unit (2).
5. the yellow controller that dodges of a kind of traffic lights according to claim 1 is characterized in that controller also includes caution unit (6), and described caution unit is connected on the FPGA unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623247 CN202939802U (en) | 2012-11-21 | 2012-11-21 | Yellow flashing controller of traffic light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623247 CN202939802U (en) | 2012-11-21 | 2012-11-21 | Yellow flashing controller of traffic light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202939802U true CN202939802U (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623247 Expired - Lifetime CN202939802U (en) | 2012-11-21 | 2012-11-21 | Yellow flashing controller of traffic light |
Country Status (1)
| Country | Link |
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| CN (1) | CN202939802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715621A (en) * | 2015-04-08 | 2015-06-17 | 江苏大为科技股份有限公司 | Dual-output frequency-adjustable independent hardware yellow flashing controller |
-
2012
- 2012-11-21 CN CN 201220623247 patent/CN202939802U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715621A (en) * | 2015-04-08 | 2015-06-17 | 江苏大为科技股份有限公司 | Dual-output frequency-adjustable independent hardware yellow flashing controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310019 A2, central control science park, 309 Liuhe Road, Binjiang District, Hangzhou, Zhejiang Patentee after: Zhejiang zhongkong Information Industry Co.,Ltd. Address before: 310019 A2, central control science park, 309 Liuhe Road, Binjiang District, Hangzhou, Zhejiang Patentee before: ZHEJIANG SUPCON INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP02 | Change in the address of a patent holder |
Address after: 310000 floors 23-25, building 2, No. 352, BINKANG Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang zhongkong Information Industry Co.,Ltd. Address before: 310019 A2, central control science park, 309 Liuhe Road, Binjiang District, Hangzhou, Zhejiang Patentee before: Zhejiang zhongkong Information Industry Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |