CN2414470Y - Distribution type traffic signal lamp controller - Google Patents
Distribution type traffic signal lamp controller Download PDFInfo
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- CN2414470Y CN2414470Y CN 00209132 CN00209132U CN2414470Y CN 2414470 Y CN2414470 Y CN 2414470Y CN 00209132 CN00209132 CN 00209132 CN 00209132 U CN00209132 U CN 00209132U CN 2414470 Y CN2414470 Y CN 2414470Y
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- signal lamp
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract 3
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a distribution type traffic signal lamp controller, which comprises a filter, a main control unit, and a plurality of control separation units. The main control unit is connected with the control separation units through communication of series codes, and the transmission modes of control signals comprise the transmission of digital carrier waves of power lines, infrared transmission, and radio-frequency radio transmission. If the transmission of digital carrier waves of power lines is adopted, connection of the main control unit and the control separation units only has two power-supply lines. The distribution type traffic signal lamp controller is suitable for highways and railways and is particularly suitable for the control of traffic signal lamps of cities. The utility model has the advantages of small installation engineering work load, simplicity, high reliability, and low cost.
Description
The utility model relates to a kind of distributed traffic signal lamp control device, is applicable to the control of highway and railway, particularly city traffic signal lamp.
Present traffic lights, the control device of city traffic signal lamp particularly, much more general adopt with the power lead of each signal lamp be pooled in the control box on one jiao on ground, crossing after cable in being embedded in underground pipeline is connected, control light on and off by the control system in the cabinet away from the signal lamp of cabinet.Just need four power leads for green three signal lamps of simple reddish yellow.Along with the development of urban construction, leggy formula traffic lights have become development trend, nearly tens of the quantity of a Signal on Highway Cross, and the lamp at four crossings has more than 40 altogether.Need bury tens large-current electric cables like this under the road surface underground, this not only makes ground, crossing excavation project amount big and complicated, and owing to undergroundly buried a large amount of high-current cables underground, its safe reliability is reduced greatly.
The purpose of this utility model provides a kind of traffic signals lamp control device, and it is little to have quantities, simple and reliability height, and cost is low.Particularly help transformation to existing parallel signal lamp control device.
The technical solution of the utility model is: control device is by Master Control Unit and divide control unit two parts to constitute, Master Control Unit is installed on one jiao of ground, crossing, divide the control unit to be directly installed on the signal lamp bracket, no matter what signal lamps are installed on the support, all be attempted by on two power leads, Master Control Unit and branch control unit link by the serial code communication, electricity consumption line of force numeral carrier-wave transmission control signal.Master Control Unit has only two power leads with dividing to control being connected of unit like this.
Master Control Unit at first carries out hybrid coding with operational order and address, amplifies through high frequency modulated then, delivers on the power lead of signal lamp; Divide the control unit to obtain modulation signal and carry out demodulating and decoding, carry out corresponding action after solving this address code and operational order from power lead.
The transmission of control signal can also be used infrared ray and wireless radiofrequency device for transporting electricity at heavy.
Give a detailed account below in conjunction with the embodiment in the accompanying drawing.
Fig. 1 connects general diagram for the utility model adopts the control device of line of electric force digital carrier transmission.Fig. 2 is the Master Control Unit carrier modulation circuit theory synoptic diagram among Fig. 1.Fig. 3 is the branch control unit carrier wave demodulation circuit theory synoptic diagram among Fig. 1.
Fig. 4 adopts the Master Control Unit of infrared transmission control signal and divides control element circuit principle schematic for the utility model.Fig. 5 adopts the Master Control Unit of radio-frequency (RF) radio transmission of control signals and divides control element circuit principle schematic for the utility model.
Referring to Fig. 1, the 220v AC power enters Master Control Unit 2 through wave filter 1, and with a minute control unit 3,4 ... connect (4 is identical with 3, the figure part omitted).Master Control Unit is at first encoded to the order that will carry out by a computing machine 8, this coding is the numeric string that address, the content of operation that will carry out and some additional informations of the signal lamp that will control formed, this numeric string is delivered in the carrier modulator 7, the high-frequency oscillation signal that oscillator 9 is sent here is modulated, delivered on power lead LX, the NX through power amplifier 6 and coupled circuit 5 again.And branch control unit 3,4 ... take off from the digital carrier signal that power lead LX, NX are last after will modulating by coupled circuit 10, through power amplifier 11, demodulator circuit 12 and single-chip microcomputer 13, solve address code in the coded signal and content of operation etc., and compare with the code switch 16 determined address codes of this branch control unit.If address code conforms to, then operation signal will remove to be switched on or switched off the corresponding signal lamp in one's duty control unit by driving circuit 14 and execution unit 15; If do not conform to, then this divides control unit undo order.The wave filter of being made up of inductance capacitance 1 stops high-frequency signal on the extraneous power supply to the interference of device inside carrier circuit, anti-again locking apparatus inside carrier signal drains to external power, prevent the mutual cross-interference issue between the control device effectively, guarantee the normal operation of control device.
Referring to Fig. 2, the serial digital coded format that computing machine 8 sends is one 20 a numeric string, and it is 0 that first start bit set up; Second is address code to the 5th; The 6th 0 expression is turned off the light to the 19 bit representation content of operation, and 1 expression is turned on light, and each represents a signal lamp; The 20 is 1 for stop bit.For example computing machine will allow first fen control unit first signal lamp bright and numeric string that send is 00001000000000000011.Transfer rate is 2400 bauds, these codings are delivered to gate circuit U1 by data line TXD, the high-frequency signal of the 200kHz that oscillator U2 is sent here by U1 is modulated, after carrier signal after the modulation is delivered to G1 and carried out power amplification, be added on power lead LX, the NX by the coupled circuit of forming by T1 and C1, C2 etc.
Divide the control unit to see Fig. 3, be added to after power tube G2 amplifies through the coupled circuit of forming by TR1, C4, C5 etc., deliver to N1 (LM765) demodulation by obtaining high-frequency carrier signal on power lead LX, the NX.Coded number word string after the demodulation is delivered in the single-chip microcomputer 13 (89C51), taking out the address code that provides in address code and the code switch 16 earlier compares, when two address codes conform to, again according to the content of operational code, remove driving gate circuit V1 by the parallel port, open or close signal lamp L1 by V1 through isolating optocoupler Q1 driving controllable silicon T1 again.If address code does not conform to, illustrate that this operation signal not to one's duty control unit, can manage it.Establish a Master Control Unit in the intersection of urban transportation, can be with a lot of branch controls unit by address assignment, each divides the control unit can control 14 signal lamps.The reddish yellow that can satisfy the motor vehicle of intersection all directions in the modern city traffic fully is green, about change the control needs of many signal lamps such as keeping straight on, the reddish yellow of bicycle is green.
Referring to Fig. 4, the digitally encoded signal that computing machine 8 in the Master Control Unit sends is delivered to and door U1 by data line TXD, the frequency that oscillator 9 is sent here is that the signal of 40KHz is modulated, and the signal after the modulation becomes infrared light through infrared transmitting tube LED and is transmitted into the branch control unit that receiver 17 grades constitute.Receiver select for use have reception, the module HD409 of amplification and the three-in-one function of demodulation.After this module is received the infrared signal of modulation, deliver to single-chip microcomputer 13 (89C51) in the coded number word string of RXD end output demodulation, the work that will carry out is the same with function shown in Figure 3 below.In order to increase transmission range, before infrared transmitting tube LED, add 18 pairs of infrared lights of lens and focus on.
Referring to Fig. 5, the digitally encoded signal that the computing machine 8 of Master Control Unit sends is delivered to radiofrequency emitting module U1 by data line TXD, and this module is selected HX1000 for use, and frequency of operation is 433.92mHz, and output power is 10mW.Adopt the keying mode to carry out modulate emission, receiver U2 selected module RX1000, finish reception, amplification and demodulation a series of activities simultaneously, coded number word string by RXD end output demodulation, deliver to single-chip microcomputer 13 (89C51) and finish above-mentioned every work shown in Figure 3, reach the function of control signal lamp equally.
Adopt the Master Control Unit of infrared ray and radio-frequency (RF) radio transmission of control signals to connect all identical with electricity consumption line of force numeral carrier transmitting device with the installation that divides the control unit.
The utility model has the advantages that the installing engineering amount is little, simple and reliability height, cost is low. The infrared transmission command range reaches 30 meters, and wireless radiofrequency electrical transmission coverage reaches 70 meters.
Claims (4)
1. a distributed traffic signal lamp control device is made of wave filter (1), Master Control Unit (2) and a plurality of branch controls unit (3,4), it is characterized in that the Master Control Unit installation on the ground, divide the control unit to be directly installed on the signal lamp bracket, a plurality of signal lamps on the support all are attempted by on two power leads, and the control signal between Master Control Unit and the branch control unit adopts the serial code communication to link, the transmission of electricity consumption line of force numeral carrier equipment only connects with two power leads between Master Control Unit and the branch control unit like this; Master Control Unit at first carries out hybrid coding with operational order and address, amplifies through high frequency modulated then, delivers on power lead LX, the NX of signal lamp; Divide the control unit to obtain modulation signal and carry out demodulating and decoding, carry out corresponding action after solving this address code and operational order from power lead LX, NX.
2. distributed traffic signal lamp control device according to claim 1 is characterized in that the serial code signal can transmit with infrared facility.
3. distributed traffic signal lamp control device according to claim 1 is characterized in that the transmission of serial code signal available radio frequencies radio device.
4. according to claim 1,2 or 3 described distributed traffic signal lamp control devices, it is characterized in that the wave filter (1) that power supply is formed through inductance capacitance enters in the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209132 CN2414470Y (en) | 2000-04-13 | 2000-04-13 | Distribution type traffic signal lamp controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209132 CN2414470Y (en) | 2000-04-13 | 2000-04-13 | Distribution type traffic signal lamp controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2414470Y true CN2414470Y (en) | 2001-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00209132 Expired - Fee Related CN2414470Y (en) | 2000-04-13 | 2000-04-13 | Distribution type traffic signal lamp controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2414470Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004044864A1 (en) * | 2002-11-13 | 2004-05-27 | Shijin Nie | A road preparing system and a roadway control light |
| CN102289941A (en) * | 2011-06-21 | 2011-12-21 | 天津市顺通电子有限公司 | Traffic signal lamp system controlled by power line carriers |
| CN102087791B (en) * | 2009-12-02 | 2013-10-30 | 西安费斯达自动化工程有限公司 | Traffic signal control system for power line carrier communication |
| CN104159370A (en) * | 2014-08-08 | 2014-11-19 | 厦门市致创能源技术有限公司 | Panel and lamp control method based on closed carrier technology |
| CN105469614A (en) * | 2015-12-24 | 2016-04-06 | 沈阳天久信息技术工程有限公司 | Method, device and system for traffic signal control |
-
2000
- 2000-04-13 CN CN 00209132 patent/CN2414470Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004044864A1 (en) * | 2002-11-13 | 2004-05-27 | Shijin Nie | A road preparing system and a roadway control light |
| CN102087791B (en) * | 2009-12-02 | 2013-10-30 | 西安费斯达自动化工程有限公司 | Traffic signal control system for power line carrier communication |
| CN102289941A (en) * | 2011-06-21 | 2011-12-21 | 天津市顺通电子有限公司 | Traffic signal lamp system controlled by power line carriers |
| CN104159370A (en) * | 2014-08-08 | 2014-11-19 | 厦门市致创能源技术有限公司 | Panel and lamp control method based on closed carrier technology |
| CN105469614A (en) * | 2015-12-24 | 2016-04-06 | 沈阳天久信息技术工程有限公司 | Method, device and system for traffic signal control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGKE YUANHENG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG KEYU Free format text: FORMER OWNER: ZHANG BIN FENG DONG ZHANG XINCHENG Effective date: 20050729 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050729 Address after: 100083, room 7, building 1006, Huaqing garden, Haidian District, Beijing Patentee after: Beijing Zhongke Yuanheng Technology Co., Ltd. Address before: Beijing city in Haidian District on the 100085 Street No. 28 Co-patentee before: Zhang Bin Patentee before: Zhang Keyu Co-patentee before: Feng Dong Co-patentee before: Zhang Xincheng |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |