CN201993911U - Direct-current teleseme circuit - Google Patents
Direct-current teleseme circuit Download PDFInfo
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- CN201993911U CN201993911U CN2011200704919U CN201120070491U CN201993911U CN 201993911 U CN201993911 U CN 201993911U CN 2011200704919 U CN2011200704919 U CN 2011200704919U CN 201120070491 U CN201120070491 U CN 201120070491U CN 201993911 U CN201993911 U CN 201993911U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model provides a direct-current teleseme circuit which comprises a microprocessor circuit, a bus interface circuit, a bus drive circuit, a key input circuit, a nixie tube display circuit, an LED (light-emitting diode) lamp condition display circuit, a signal-lamp condition detection circuit, a signal-lamp drive circuit, a red signal lamp, a yellow signal lamp, a green signal lamp and a power supply circuit, wherein the microprocessor circuit is connected with the key input circuit through the bus interface circuit, is connected with the nixie tube display circuit through the bus interface circuit, is connected with the LED lamp condition display circuit through the bus interface circuit, is respectively connected with the signal-lamp condition detection circuit through the bus interface circuit and the bus drive circuit and is respectively connected with the signal-lamp drive circuit through the bus interface circuit and the bus drive circuit, and the signal-lamp drive circuit is connected with the red signal lamp, the yellow signal lamp and the green signal lamp. The direct-current teleseme circuit has the advantages of scientific design, convenience for use, low power consumption, high accuracy, safety, reliability and stable performance.
Description
Technical field
The utility model relates to a kind of signal control circuit, specifically, relates to a kind of direct current signal machine circuit.
Background technology
At present, in some less developed country and area, the phenomenon that the short time has a power failure often appears, and existing teleseme adopts the mode of Alternating Current Power Supply to use mostly, if have a power failure, then signal lamp is very easy to cause traffic hazard or congestion in road with regard to cisco unity malfunction; In the prior art, some teleseme has also adopted the mode of direct current supply, but does not have lamp attitude testing circuit, can't make the corresponding protection action when signal lamp breaks down, and causes traffic hazard easily.
In order to address this problem, people are seeking a kind of desirable technical solution always.
Summary of the invention
The utility model is at the deficiencies in the prior art, and the direct current signal machine circuit of a kind of design science, easy to use, low-power consumption, accuracy height, safe and reliable, stable performance is provided.
The technical scheme that the utility model adopted is as follows: a kind of direct current signal machine circuit, and it comprises microcontroller circuit, bus interface circuit, bus driving circuits, button inputting circuits, charactron display circuit, LED lamp attitude display circuit, signal lamp state detection circuit, signal lamp driving circuit, red yellowish green trichromatism signal lamp and power circuit; Wherein, described microcontroller circuit connects described button inputting circuits by described bus interface circuit and is used for the signalization lamp state parameter is set; Described microcontroller circuit connects described charactron display circuit by described bus interface circuit and is used for the configuration information that displaing lamp is provided with state parameter; Described microcontroller circuit connects described LED lamp attitude display circuit with according to signal lamp real-time working state parameter simulating signal lamp real-time working state by described bus interface circuit; Described microcontroller circuit connects described signal lamp state detection circuit by described bus interface circuit, described bus driving circuits successively and is used for acquired signal lamp real-time working state parameter and the state parameter comparison is set so that judge whether to produce signal lamp failure information with signal lamp; Described microcontroller circuit connects described signal lamp driving circuit by described bus interface circuit, described bus driving circuits successively so that state parameter is set and signal lamp failure information sends corresponding signal lamp control command according to signal lamp; Described signal lamp driving circuit connects described red yellowish green trichromatism signal lamp so that drive corresponding signal lamp light on and off according to the signal lamp control command; Described power circuit provides working power for described direct current signal machine circuit.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, this direct current signal machine circuit adopts the design concept of uninterrupted power supply, teleseme and signal lamp are revised as direct current 12V power supply from present common ac power supply method, when the short time has a power failure, teleseme automatically switches to the storage battery power supply state, guarantees that signal lamp can operate as normal;
This direct current signal machine circuit has increased the signal lamp state detection circuit, so that the real-time status of detection signal lamp is avoided not causing traffic hazard owing to signal lamp failure has in time to protect Huang Shaner;
The total system of this direct current signal machine circuit has all adopted the design proposal of low-power consumption, with the operate as normal that ensures that teleseme can the longer time when having a power failure;
This direct current signal machine circuit has the advantage of design science, easy to use, low-power consumption, accuracy height, safe and reliable, stable performance.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is the circuit theory diagrams of described master control borad circuit;
Fig. 3 is the circuit theory diagrams of described back plane circuitry;
Fig. 4 is the circuit theory diagrams that described lamp drives the plate circuit;
Fig. 5 is the circuit theory diagrams of described operation and display panel circuit.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of direct current signal machine circuit, it comprises microcontroller circuit, serial communication circuit, bus interface circuit, bus driving circuits, button inputting circuits, charactron display circuit, LED lamp attitude display circuit, signal lamp state detection circuit, signal lamp driving circuit, red yellowish green trichromatism signal lamp and power circuit;
Wherein, described microcontroller circuit, described serial communication circuit, described bus interface circuit, described power circuit constitute the master control borad circuit; Described bus driving circuits constitutes back plane circuitry; Described signal lamp state detection circuit, described signal lamp driving circuit constitute lamp and drive the plate circuit; Described button inputting circuits, described charactron display circuit, described LED lamp attitude display circuit constitute operation and display panel circuit;
Described microcontroller circuit connects described button inputting circuits by described bus interface circuit and is used for the signalization lamp state parameter is set; Described microcontroller circuit connects described charactron display circuit by described bus interface circuit and is used for the configuration information that displaing lamp is provided with state parameter; Described microcontroller circuit connects described LED lamp attitude display circuit with according to signal lamp real-time working state parameter simulating signal lamp real-time working state by described bus interface circuit;
Described microcontroller circuit connects described signal lamp state detection circuit by described bus interface circuit, described bus driving circuits successively and is used for acquired signal lamp real-time working state parameter and the state parameter comparison is set so that judge whether to produce signal lamp failure information with signal lamp; Described microcontroller circuit connects described signal lamp driving circuit by described bus interface circuit, described bus driving circuits successively so that state parameter is set and signal lamp failure information sends corresponding signal lamp control command according to signal lamp;
Described signal lamp driving circuit connects described red yellowish green trichromatism signal lamp so that drive corresponding signal lamp light on and off according to the signal lamp control command;
Described microcontroller circuit connects described serial communication circuit so that provide communication interface for peripherals;
Described power circuit provides working power for described direct current signal machine circuit.
Described master control borad circuit is the core circuit of direct current signal machine circuit, be responsible for the information that storage is provided with by operation and display panel circuit, when stored be provided with after, the master control borad circuit is by its data bus, address bus, and the decoding function by back plane circuitry drives the plate circuit to lamp and controls, promptly, control signal is transferred to lamp drives on the plate circuit, the control lamp drives the plate circuit working, and then the light on and off of control signal lamp and read the real-time working state of signal lamp, guarantee that signal lamp normally moves, if signal lamp work is undesired, described master control borad circuit will be carried out the corresponding protection action, dodge as the belisha beacon Huang etc.; Described operation and display panel circuit can carry out various operation setting to the master control borad circuit, are saved in the master control borad circuit after setting is finished; Described lamp drives the plate circuit and is responsible for lighting corresponding signal lamp according to the control command of master control borad circuit, and reads the real-time status of signal lamp, and this real-time status is fed back to the master control borad circuit.
Based on above-mentioned, as shown in Figure 2, it is the processor of MSP430F149 that described microcontroller circuit adopts model; MSP430F149 is a kind of novel mixed-signal processor, has adopted the up-to-date Low-power Technology of TIX, and it is incorporated into a large amount of peripheral modules in the sheet, is particularly suitable for exploitation and design monolithic system; The MSP430F149 single-chip microcomputer mainly has the characteristics of low-voltage, super low-power consumption, has 12 analog to digital converter, can obtain very high precision, and has saved the trouble of using special analog to digital converter to come for the design circuit strip; It has jumbo storage space, and the storer aspect comprises nearly 60k Flash ROM and 2k RAM, and so the storage space of quantity can satisfy the needs of program and data fully; It has two channel serial communication interfaces, can be used for carrying out asynchronous or synchronous serial communication with computing machine; It has hardware multiplier, and this multiplier is independent of the operation that CPU carries out multiplying, has also promoted the utilization ratio of CPU when improving multiplying speed; It has the serial in-system programming, by emulator program is downloaded, and by special software the duty of program and single-chip microcomputer is monitored, and has greatly made things convenient for the debugging of program;
The MAX706 that the chip that resets adopts MAXIM company to produce; Clock chip adopts DS1306 to come to provide correct time information to system, DS1306 is except functions such as real-time clock time, date, also have 96 byte RAM, can export two kinds of square waves of 1Hz and 32.768kHz simultaneously, 2 clocks and 2 interrupt sources can be set, data transmission adopts the SPI mode, and it has advantage of low power consumption.
It is the communication chip of MAX232 and the serial communication chip that model is SN65176 that described serial communication circuit adopts model; Because model provides 2 serial interfaces for the processor of MSP430F149, in this circuit, use model to provide one road RS232 interface, use model to provide one road RS485 interface, so that carry out serial communication with other equipment as the serial communication chip of SN65176 as the communication chip of MAX232.
Described bus interface circuit comprises that four groups of models are the bus driver of 74HC245, and it has realized that model is the processor of MSP430F149 and the data communication between bus driving circuits, operation and the display panel circuit; Model is the driving force that the bus driver of 74HC245 has improved bus, increases load capacity.
Described power circuit comprises accumulator, externally fed power supply, power supply switch circuit and integrated stable voltage circuit, and described accumulator, described externally fed power supply connect described power supply switch circuit respectively, and described power supply switch circuit connects described integrated stable voltage circuit; When AC-powered, charger charges a battery, and provides 12V power supply to system simultaneously, and when having a power failure, charger can't be worked, and then provide power supply by accumulator to system this moment, so that signal lamp can continue operate as normal;
Described integrated stable voltage circuit be responsible for power supply switch circuit provide+the 12V direct supply is converted into+5V and+direct supply of 3.3V so that give each circuit supply of direct current signal machine circuit; Described integrated stable voltage circuit uses model to be converted to+5V as the voltage chip general+12V of SPX3819, and the voltage chip general+5V that re-uses model and be SP6203 is converted to+3.3V; This direct current signal machine circuit adopts storage battery power supply, simultaneously, also can expand solar panel, increases the working time.
Based on above-mentioned, as shown in Figure 3, described back plane circuitry is responsible for master control borad circuit and lamp and is driven communication conversion between the plate circuit, the master control borad circuit is transferred to back plane circuitry by bus with address date, by on the back plane circuitry, model is that the code translator of 74HC138 is deciphered address bus, provide lamp to drive the chip selection signal of plate circuit, then, the gating model is the latch of 74HC273, so that lamp is driven plate circuit output control commands corresponding, the gating model is the bus driver of 74HC245, so that read the feedback signal that lamp drives the real-time lamp attitude of plate circuit collection, is used to judge whether signal lamp breaks down;
Described bus driving circuits comprises that two groups of models are the code translator of 74HC138, four groups of bus driver and four groups of latchs that model is 74HC273 that model is 74HC245, and wherein, two groups of code translators are connected with four groups of bus drivers, four groups of latchs respectively.
Based on above-mentioned, as shown in Figure 4, described lamp drives the plate circuit and mainly is responsible for lighting corresponding signal lamp according to the control command of master control borad circuit, and reads the real-time working state of signal lamp, and gives the master control borad circuit with the real-time working feedback of status; There are eight phase places a crossroad, and each phase place need be installed one group of coston light, and eight phase places need 24 signal lamps altogether;
Described signal lamp driving circuit comprises No. 24 driving circuits, described driving circuit comprises that model is that two N-channel MOS pipes and the model of SI4946 is the reverser of 74HC04, wherein, the signal output part of described reverser connects the signal input part of described metal-oxide-semiconductor, the signal input part of described reverser is as the input end of described driving circuit, and the signal output part of described metal-oxide-semiconductor is as the output terminal of described driving circuit; The input end of No. 24 driving circuits connects four groups of latchs that model is 74HC273 on the back plane circuitry, and the output terminal of No. 24 driving circuits connects 24 signal lamps; Two N-channel MOS pipes that described signal lamp driving circuit employing model is SI4946 drive, and the use in parallel of 2 road metal-oxide-semiconductors can provide the drive current up to 10A;
Described signal lamp state detection circuit comprises 24 alignment detection circuits, described testing circuit comprises that model is the signals collecting instrument amplifier of INA122 and the reference voltage comparer that model is LM2902, wherein, the signal that the signal output part of described signals collecting instrument amplifier connects described reference voltage comparer compares input end, the signal input part of described signals collecting instrument amplifier is as the input end of described testing circuit, and the signal output part of described reference voltage comparer is as the output terminal of described testing circuit; The input end of 24 alignment detection circuits connects 24 signal lamps, and the output terminal of 24 alignment detection circuits connects four groups of bus drivers that model is 74HC245 on the back plane circuitry;
The model that described signal lamp state detection circuit adopts TI company to produce is that the accurate noiselike signal acquisition instrument amplifier of INA122 comes the signal lamp output circuit is sampled, 2 amplifiers designs of the inner employing of this amplifier, make it to have low-down quiescent current, it can be operated under the single power supply pattern of 2.2～36V, and quiescent current is 60 μ A only; It can set any yield value from 5～10000V/V with a non-essential resistance; It adopts laser-adjusting to guarantee utmost point low maladjustment voltage and drift, has superior common mode inhibition, can be used for portable apparatus and data acquisition system (DAS);
The voltage comparator that described signal lamp state detection circuit employing model is LM2902 comes the signal lamp output circuit is sampled, when sampled voltage is higher than reference voltage, think that then signal lamp is bright, when sampled voltage is lower than reference voltage, think that then signal lamp goes out, compare by the state of feedback and the state of setting, then can detect whether fault of signal lamp.
Based on above-mentioned, as shown in Figure 5, described operation and display panel circuit are the man-machine interfaces of forming by button, charactron and LED lamp group, and it has been realized the parameter setting of master control borad circuit and simulation Presentation Function; Charactron and LED analog modulation group content displayed are that the latch of 74HC273 latchs by model, and charactron is used for the information that display parameter are provided with, and LED lamp group is used for the state of simulating signal lamp on/off, makes things convenient for the user to observe;
Described charactron display circuit comprises 6 groups of charactrons, 7 groups of latch and one group of code translators that model is 74HC138 that model is 74HC273, and wherein, described code translator connects 7 groups of latchs respectively, and 7 groups of latchs connect 6 groups of charactrons respectively;
Described LED lamp attitude display circuit comprises 16 groups of LED analog modulation groups, 8 groups of latch and one group of code translators that model is 74HC138 that model is 74HC273, and described code translator connects 8 groups of latchs respectively, and 8 groups of latchs connect 16 groups of LED analog modulation groups respectively.
Traditional AC signal machine circuit adopts the output of SCR control signal lamp; adopt mutual inductor to detect lamp attitude feedback; and employing 12V direct current supply in this direct current signal machine circuit; and with the output of big current MOS pipe drive signal lamp; use accurate signals collecting amplifier that the lamp attitude is detected; can judge accurately whether signal lamp is working properly; undesired if work; this direct current signal machine circuit will be carried out the corresponding protection action; dodge as belisha beacon is yellow, break down with prompting driver signal lamp.
Claims (10)
1. direct current signal machine circuit, it is characterized in that: this direct current signal machine circuit comprises microcontroller circuit, bus interface circuit, bus driving circuits, button inputting circuits, charactron display circuit, LED lamp attitude display circuit, signal lamp state detection circuit, signal lamp driving circuit, red yellowish green trichromatism signal lamp and power circuit; Wherein, described microcontroller circuit connects described button inputting circuits by described bus interface circuit and is used for the signalization lamp state parameter is set; Described microcontroller circuit connects described charactron display circuit by described bus interface circuit and is used for the configuration information that displaing lamp is provided with state parameter; Described microcontroller circuit connects described LED lamp attitude display circuit with according to signal lamp real-time working state parameter simulating signal lamp real-time working state by described bus interface circuit; Described microcontroller circuit connects described signal lamp state detection circuit by described bus interface circuit, described bus driving circuits successively and is used for acquired signal lamp real-time working state parameter and the state parameter comparison is set so that judge whether to produce signal lamp failure information with signal lamp; Described microcontroller circuit connects described signal lamp driving circuit by described bus interface circuit, described bus driving circuits successively so that state parameter is set and signal lamp failure information sends corresponding signal lamp control command according to signal lamp; Described signal lamp driving circuit connects described red yellowish green trichromatism signal lamp so that drive corresponding signal lamp light on and off according to the signal lamp control command; Described power circuit provides working power for described direct current signal machine circuit.
2. direct current signal machine circuit according to claim 1 is characterized in that: it is the processor of MSP430F149 that described microcontroller circuit adopts model.
3. direct current signal machine circuit according to claim 1 is characterized in that: this direct current signal machine circuit also includes serial communication circuit, and described microcontroller circuit connects described serial communication circuit so that provide communication interface for peripherals; It is the communication chip of MAX232 and the serial communication chip that model is SN65176 that described serial communication circuit adopts model.
4. direct current signal machine circuit according to claim 1 is characterized in that: described bus interface circuit comprises that four groups of models are the bus driver of 74HC245.
5. direct current signal machine circuit according to claim 1, it is characterized in that: described bus driving circuits comprises that two groups of models are the code translator of 74HC138, four groups of bus driver and four groups of latchs that model is 74HC273 that model is 74HC245, wherein, two groups of code translators are connected with four groups of bus drivers, four groups of latchs respectively.
6. direct current signal machine circuit according to claim 1, it is characterized in that: described charactron display circuit comprises 6 groups of charactrons, 7 groups of latch and one group of code translators that model is 74HC138 that model is 74HC273, wherein, described code translator connects 7 groups of latchs respectively, and 7 groups of latchs connect 6 groups of charactrons respectively.
7. direct current signal machine circuit according to claim 1, it is characterized in that: described LED lamp attitude display circuit comprises 16 groups of LED analog modulation groups, 8 groups of latch and one group of code translators that model is 74HC138 that model is 74HC273, wherein, described code translator connects 8 groups of latchs respectively, and 8 groups of latchs connect 16 groups of LED analog modulation groups respectively.
8. direct current signal machine circuit according to claim 1, it is characterized in that: described signal lamp state detection circuit comprises 24 alignment detection circuits, described testing circuit comprises that model is the signals collecting instrument amplifier of INA122 and the reference voltage comparer that model is LM2902, wherein, the signal that the signal output part of described signals collecting instrument amplifier connects described reference voltage comparer compares input end, the signal input part of described signals collecting instrument amplifier is as the input end of described testing circuit, and the signal output part of described reference voltage comparer is as the output terminal of described testing circuit.
9. direct current signal machine circuit according to claim 1, it is characterized in that: described signal lamp driving circuit comprises No. 24 driving circuits, described driving circuit comprises that model is that metal-oxide-semiconductor and the model of SI4946 is the reverser of 74HC04, wherein, the signal output part of described reverser connects the signal input part of described metal-oxide-semiconductor, the signal input part of described reverser is as the input end of described driving circuit, and the signal output part of described metal-oxide-semiconductor is as the output terminal of described driving circuit.
10. direct current signal machine circuit according to claim 1, it is characterized in that: described power circuit comprises accumulator, externally fed power supply, power supply switch circuit and integrated stable voltage circuit, described accumulator, described externally fed power supply connect power supply switch circuit respectively, and described power supply switch circuit connects integrated stable voltage circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200704919U CN201993911U (en) | 2011-03-17 | 2011-03-17 | Direct-current teleseme circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200704919U CN201993911U (en) | 2011-03-17 | 2011-03-17 | Direct-current teleseme circuit |
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| CN201993911U true CN201993911U (en) | 2011-09-28 |
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| CN2011200704919U Expired - Fee Related CN201993911U (en) | 2011-03-17 | 2011-03-17 | Direct-current teleseme circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194323A (en) * | 2011-03-17 | 2011-09-21 | 生茂光电科技股份有限公司 | Direct current (DC) signaler circuit |
| CN103794067A (en) * | 2013-12-14 | 2014-05-14 | 北京冶联科技有限公司 | Intelligent traffic signal lamp device and control method thereof |
| CN106373409A (en) * | 2016-11-22 | 2017-02-01 | 安徽科力信息产业有限责任公司 | Signal machine monitoring circuit |
| CN110910660A (en) * | 2019-11-13 | 2020-03-24 | 苏州中亿通智能系统有限公司 | Road traffic signal controller |
-
2011
- 2011-03-17 CN CN2011200704919U patent/CN201993911U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194323A (en) * | 2011-03-17 | 2011-09-21 | 生茂光电科技股份有限公司 | Direct current (DC) signaler circuit |
| CN103794067A (en) * | 2013-12-14 | 2014-05-14 | 北京冶联科技有限公司 | Intelligent traffic signal lamp device and control method thereof |
| CN106373409A (en) * | 2016-11-22 | 2017-02-01 | 安徽科力信息产业有限责任公司 | Signal machine monitoring circuit |
| CN106373409B (en) * | 2016-11-22 | 2024-02-27 | 安徽科力信息产业有限责任公司 | Monitoring circuit of annunciator |
| CN110910660A (en) * | 2019-11-13 | 2020-03-24 | 苏州中亿通智能系统有限公司 | Road traffic signal controller |
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