CN208656497U - A kind of intelligent traffic signal machine based on self-contained electric system - Google Patents
A kind of intelligent traffic signal machine based on self-contained electric system Download PDFInfo
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- CN208656497U CN208656497U CN201821341880.9U CN201821341880U CN208656497U CN 208656497 U CN208656497 U CN 208656497U CN 201821341880 U CN201821341880 U CN 201821341880U CN 208656497 U CN208656497 U CN 208656497U
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
A kind of intelligent traffic signal machine based on self-contained electric system, belongs to intelligent traffic monitoring field.Including signal lamp, signal lamp drive module and central processing module, it is characterized by: being provided with power supply switching module, inverter module and DC power supply, the direct current input section of DC power supply access inverter module, the firewire of AC power source and the firewire and zero curve of zero curve and alternating current of inverter module output are respectively connected to the different input terminals of power supply switching module, the power supply input terminal of the output end connection signal lamp of power supply switching module, the power supply of alternating current or inverter module as signal lamp.In the intelligent traffic signal machine based on self-contained electric system, by the way that power supply switching module is arranged, when alternating current has a power failure for some reason, power supply switching module switches in time carries out temporary power by inverter module by DC power supply, restore signal lamp in shortest time, avoids traffic accident caused by due to power failure to the full extent.
Description
Technical field
A kind of intelligent traffic signal machine based on self-contained electric system, belongs to intelligent traffic monitoring field.
Background technique
With the development of national economy and the raising of living standards of the people, there is greatly uneven shape in electricity need load
State sometimes results in the power failure of part line tripping, and there are also power supply departments periodically to carry out line maintenance, also results in certain time
Power failure phenomenon, if the traffic lights at crossing just in this scope of power outage, will appear traffic lights and stop working,
So that traffic causes confusion phenomenon within a certain period of time, and then lead to traffic accident, gives the people's lives and property safety
Cause heavy losses.Currently, when traffic signaling equipment because have a power failure etc. failures can not normal use when, the most common settling mode is logical
Crossing traffic police arranges mobile semaphore temporarily on duty, however the calling of movable signal machine needs certain time, from having a power failure movement
Semaphore is the blind area of traffic guidance management this period on duty, be easy to cause traffic accident.
Summary of the invention
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of by setting power supply
Switching module, when alternating current has a power failure for some reason, power supply switching module switch in time by DC power supply by inverter module into
Row temporary power, restores signal lamp in the shortest time, traffic accident based on confession caused by avoiding to the full extent because of power failure
The intelligent traffic signal machine of electric system.
The technical scheme adopted by the utility model to solve the technical problem is as follows: should the intelligent transportation based on self-contained electric system
Semaphore, including signal lamp, alternating current are the power supply of signal lamp, are provided with signal lamp drive module and central processing mould
Block, central processing module issue control signal to signal lamp, control signal lamp extinguishing by signal lamp drive module or light,
It is characterized in that: being provided with power supply switching module, inverter module and DC power supply, DC power supply accesses inverter
The direct current input section of module, the firewire of AC power source and the firewire and zero curve of zero curve and alternating current of inverter module output connect respectively
Enter the different input terminals of power supply switching module, the power supply input terminal of the output end connection signal lamp of power supply switching module, city
The power supply of electricity or inverter module as signal lamp；
The power supply switching module includes a group relay, and the coil of relay is by alternating current continued power；One of them
The normally opened contact and normally-closed contact of relay are separately connected the firewire of alternating current and the firewire of inverter module, another relay
Normally opened contact and normally-closed contact be separately connected the zero curve of alternating current and the zero curve of inverter module, the non-moving end of two relays
Output end as power supply switching module.
Preferably, it is provided with power failure detection module, the city is electrically accessed power failure detection module, the output of power failure detection module
End connects the central processing module.
Preferably, it is provided with power module of voltage regulation, the output end of the power supply switching module accesses regulated power supply mould simultaneously
Block, power module of voltage regulation are that the power failure detection module, central processing module, power supply switching module and signal lamp drive mould
Block provides working power.
Preferably, the DC power supply is lithium battery.
Preferably, it is additionally provided with the lithium battery charge management module to charge for the lithium battery.
Preferably, it is additionally provided in the output end of the power module of voltage regulation for temporarily supplying the central processing module
The capacitor of electricity.
Compared with prior art, beneficial effect possessed by the utility model is:
1, in the intelligent traffic signal machine based on self-contained electric system, by be arranged power supply switching module, when alternating current because
Therefore when having a power failure, power supply switching module switches in time carries out temporary power by inverter module by DC power supply, most in short-term
It is interior to restore signal lamp, traffic accident caused by due to power failure is avoided to the full extent.
2, capacitor is arranged by the output end in power module of voltage regulation, is temporarily that central processing module is carried out when having a power failure
Power supply avoids the power-off of central processing module caused by due to power failure.
3, by alternating current continued power, therefore in a normal state, relay is in triggering state to the coil of relay, often
Contact closure is opened, normally-closed contact disconnects, therefore when alternating current works normally, and alternating current passes through normally opened in closed state after movement
Contact access, and when having a power failure, the characteristics of relay automatically resets, which is utilized, accesses circuit for inverter automatically, therefore is being not necessarily to
The switching of power supply is realized in the state of power drives.
Detailed description of the invention
Fig. 1 is the intelligent traffic signal machine functional-block diagram based on self-contained electric system.
Fig. 2 ~ 3 are the intelligent traffic signal machine signal lamp drive module circuit diagram based on self-contained electric system.
Fig. 4 ~ 6 are the intelligent traffic signal machine power module of voltage regulation circuit diagram based on self-contained electric system.
Fig. 7 is the intelligent traffic signal machine power failure detection module circuit diagram based on self-contained electric system.
Fig. 8 is the intelligent traffic signal machine power supply switching module circuit diagram based on self-contained electric system.
Fig. 9 is the intelligent traffic signal machine inverter module circuit diagram based on self-contained electric system.
Figure 10 is the intelligent traffic signal machine lithium battery charge management module circuit diagram based on self-contained electric system.
Figure 11 ~ 13 are the intelligent traffic signal machine central processing module circuit schematic based on self-contained electric system.
Specific embodiment
Fig. 1 ~ 13 are the most preferred embodiments of the utility model, and 1 ~ 13 pair of the utility model is done furtherly with reference to the accompanying drawing
It is bright.
As shown in Figure 1, a kind of intelligent traffic signal machine based on self-contained electric system, including signal lamp drive module, center
Processing module, power failure detection module, power supply switching module, power module of voltage regulation, inverter module, lithium battery charging module, lithium
Battery and signal lamp.Black arrow indicates that power supply flow direction, white arrow indicate control signal flow in Fig. 1.
The DC input of the power output end connection inverter module of lithium battery, the AC power source of inverter module are defeated
Outlet and alternating current 220V mains supply access the input terminal of power supply switching module simultaneously, and alternating current 220V mains supply accesses simultaneously to stop
The input terminal of electro-detection module, the signal input part of the signal output end connection central processing module of power failure detection module, exchange
220V mains supply or the alternating current of inverter module output access signal lamp by power supply switching module, as lighting letter
The power supply of signal lamp；Alternating current 220V mains supply or the alternating current of inverter module output access power module of voltage regulation simultaneously,
The direct current signal that AC signal is become to different voltages, be respectively used to lithium battery charge management module, power supply switching module, in
Entreat processing module and the work of signal lamp drive module.The output end of central processing module simultaneously connection signal lamp drive module
Input terminal, the output end connection signal lamp of signal lamp drive module, for believe signal lamp sending point it is bright or extinguish control signal.
Under normal circumstances, it is supplied based on the intelligent traffic signal machine of self-contained electric system by alternating current 220V mains supply
Electricity, alternating current 220V mains supply is introduced by power supply switching module at this time, as the power supply of signal lamp, while accessing pressure stabilizing
Power module is transformed to the different DC power supply of multiple voltage by power module of voltage regulation, respectively to lithium battery charge management module,
Power supply switching module, central processing module and signal lamp drive module are powered, and central processing module is according to being previously written
Degree, to signal lamp drive module issue driving signal, different signals is driven in different time by signal lamp drive module
Lamp extinguishes or lights, and achievees the purpose that command crossing traffic.
After alternating current 220V mains supply has a power failure for some reason, to central processing when power failure detection module detects outage information
Module issues signal, and central processing module issues control signal to power supply switching module at this time, and power supply Pipe Cutting module will power supply electricity
Source is switched to inverter module by alternating current 220V mains supply, replaces alternating current 220V by the ac signal of inverter module output
Power supply of the mains supply as signal lamp, and lithium battery charge management module, power supply are switched by power module of voltage regulation
Module, central processing module and signal lamp drive module are powered, and maintain the normal command function of signal lamp.
As shown in Fig. 2, above-mentioned signal lamp drive module includes integrated chip U10, the 5V direct current of model 74HC595
The anode in source multiple resistance RP1 in parallel respectively, one end, the other end of multiple resistance RP1 is separately connected the 15 of integrated chip U10
Foot and 1 ~ 7 foot.8 feet of integrated chip U10 and 13 feet ground connection, 9 feet are hanging, and 10 feet are separately connected capacitor C39 and resistance
One end of R46, the other end ground connection of capacitor C39, the anode of the other end connection 5V DC power supply of resistance R46.Integrated chip U10
11 feet, 12 feet and 14 feet be connected with central processing module, 16 feet of integrated chip U10 are connecting 5V DC power supply just simultaneously
One end of pole and capacitor C24, the other end ground connection of capacitor C24.
In conjunction with Fig. 3,15 feet, 7 feet ~ 1 foot of integrated chip U10 are separately connected one end of resistance R37 ~ R44, and resistance R37 ~
The other end of R44 is separately connected the base stage of triode T1 ~ T8, anode of the emitter of triode T1 ~ T8 with 5V DC power supply
It is connected, the collector of triode T1 ~ T8 is connected with 1 foot of opto-coupler chip U2 ~ U9 respectively, the 2 feet ground connection of opto-coupler chip U2 ~ U9,
One end of opto-coupler chip U2 ~ U9 output end is separately connected one end of resistance R4 ~ R11, one end point of opto-coupler chip U2 ~ U9 output end
Not Lian Jie resistance R12 ~ R19 one end and be separately connected the control terminal of bidirectional triode thyristor Q1 ~ Q8 simultaneously.The other end of resistance R12
It is separately connected an electrode of silicon-controlled Q1, one end of capacitor C1, one end of thermistor RV1 and 1 foot of connecting terminal J1,
One end of the other end connection resistance R20 of capacitor C1；The other end of resistance R4 connects another electrode, the resistance of silicon-controlled Q1
The other end of R20 and the other end of thermistor RV1；The other end of resistance R13 be separately connected silicon-controlled Q2 an electrode,
One end of capacitor C2, one end of thermistor RV2 and 2 feet of connecting terminal J1, the other end connection resistance R21's of capacitor C2
One end；The other end of resistance R5 connects another electrode of silicon-controlled Q2, the other end of resistance R21 and thermistor RV2's
The other end；The other end of resistance R14 is separately connected one end of an electrode of silicon-controlled Q3, capacitor C3, and the one of thermistor RV3
3 feet of end and connecting terminal J1, one end of the other end connection resistance R22 of capacitor C3；The other end connection of resistance R6 is controllable
The other end of another electrode of silicon Q3, the other end of resistance R22 and thermistor RV3；The other end of resistance R15 connects respectively
Meet an electrode of silicon-controlled Q4, one end of capacitor C4, one end of thermistor RV4 and 4 feet of connecting terminal J1, capacitor C4
The other end connection resistance R23 one end；The other end of resistance R7 connect another electrode of silicon-controlled Q4, resistance R23 it is another
The other end of one end and thermistor RV4；The other end of resistance R16 is separately connected an electrode, the capacitor C5 of silicon-controlled Q5
One end, one end of thermistor RV5 and 5 feet of connecting terminal J1, one end of the other end connection resistance R24 of capacitor C5；
The other end of resistance R8 connects the another of another electrode of silicon-controlled Q5, the other end of resistance R24 and thermistor RV5
End；The other end of resistance R17 is separately connected one end of an electrode of silicon-controlled Q6, capacitor C6, one end of thermistor RV6 with
And 6 feet of connecting terminal J1, one end of the other end connection resistance R25 of capacitor C6；The other end of resistance R9 connects silicon-controlled Q6
Another electrode, the other end of resistance R25 and the other end of thermistor RV6；The other end of resistance R18 is separately connected can
An electrode of silicon Q7, one end of capacitor C7, one end of thermistor RV7 and 7 feet of connecting terminal J1 are controlled, capacitor C7's is another
One end of one end connection resistance R26；The other end of resistance R10 connects the other end of another electrode of silicon-controlled Q7, resistance R26
And the other end of thermistor RV7；The other end of resistance R19 be separately connected an electrode of silicon-controlled Q8, capacitor C8 one
End, one end of thermistor RV8 and 8 feet of connecting terminal J1, one end of the other end connection resistance R27 of capacitor C8；Resistance
The other end of R11 connects the other end of another electrode of silicon-controlled Q8, the other end of resistance R27 and thermistor RV8.
Connecting terminal J1 is connected with signal lamp, the power output end of the 9 feet connection power supply switching module of connecting terminal J1
The other end ~ R11 other end of the above-mentioned resistance R4 of zero curve is also connected with while the fire of the power output end that connects power supply switching module
Line.The model MOC3041 of opto-coupler chip U2 ~ U9.
As shown in figure 4, the primary side of the AC signal connection transformer B1 of power supply switching module output, the two of transformer B1
Secondary side obtains direct current, the DC output end of full wave bridge rectifier circuit by the full wave bridge rectifier circuit that diode D5 ~ D8 is formed
Between be parallel with capacitor C29 and capacitor C40.The anode and cathode of full wave bridge rectifier circuit DC output end are separately connected integrated core
1 foot and ground terminal of piece U16.The model LM2950ACZ-5V of integrated chip U16.2 feet of integrated chip U16 are grounded, 3 feet
For power output end, the DC power supply that power supply is 5V is obtained by integrated chip U16, between 2 feet and 3 feet of integrated chip U16
Also it is parallel with capacitor C31 ~ C32 and capacitor C42 ~ C43.
3 feet of integrated chip U16 are also connected with 1 foot of the integrated chip U17 of model SPX1117-3.3V, integrated chip
3 feet of U17 are grounded, and 2 feet and 4 feet of integrated chip U17 are output end, and obtaining power supply by integrated chip U17 is the straight of 3.3V
Galvanic electricity source is parallel with capacitor C33 and capacitor C44 ~ C45 between 2 feet and 4 feet and ground terminal of integrated chip U17.It needs especially
, it is noted that capacitor C44 and capacitor C45 is large capacity storage capacitor, capacity is 2200 microfarads.In 220VAC mains supply
The moment of power-off is temporarily central processing module temporary power by capacitor C44 ~ C45.
As shown in figure 5, connecting terminal J2 accesses the whole of model DB207S for introducing ac signal, ac signal
The input terminal of bridge chip D1 is flowed, the output end of self-rectifying bridge chip D1 obtains d. c. voltage signal, obtained by rectification bridge chip D1
Direct current signal positive electrode and negative electrode between be parallel with capacitor C26 and capacitor C36, the direct current signal of rectification bridge chip D1 output
Anode connection model LM2576-15 integrated chip U12 1 foot, 3 feet of integrated chip U12 and 5 feet ground connection, integrate core
2 feet of piece U12 are voltage output end, 2 feet of the cathode connection integrated chip U12 of diode D2, plus earth.Integrated chip
One end of inductance L1 is connected while 2 foot of U12, the other end of inductance L1 connects 4 feet, the capacitor C27 of integrated chip U12 simultaneously
And one end of capacitor C37, the other end ground connection of capacitor C27 and capacitor C37, the other end of self-inductance L1 draw 15V direct current
The anode of power supply.It rectifies the anode (being denoted as voltage signal POWER) of the direct current signal of bridge chip D1 output while accessing power failure inspection
Survey module and power supply switching module.
As shown in fig. 6,1 foot of the integrated chip U15 of the anode connection model LM7812 of 15V DC power supply, integrates core
2 feet of piece U15 are grounded, and are parallel with capacitor C28 and capacitor C38 between 1 foot and 2 feet of integrated chip U15, and the 3 of integrated chip U15
Foot is output end, 3 feet of U15 connect one end of capacitor C41, capacitor C30 and inductance CZ1 simultaneously, capacitor C41, capacitor C30
The other end of one end of the other end and inductance CZ2 ground connection, inductance CZ1 ~ CZ2 draws 12V DC power supply.
As shown in fig. 7, power failure detection module includes triode Q10, the direct current signal of above-mentioned rectification bridge chip D1 output
After positive (voltage signal POWER) series resistance R51 while base stage of connecting triode Q10 and one end of resistance R52, resistance
The other end of R52 and the emitter ground connection of triode Q10, the collector of triode Q10 connect central processing module, work as power failure
Afterwards, the voltage value of voltage signal POWER changes, and the emitter voltage signal of triode Q10 occurs by triode Q10
Variation, central processing module after receiving the signal know that power failure phenomenon occurs.
As shown in figure 8, power supply switching module includes relay K1 ~ K2, above-mentioned voltage signal POWER connects resistance simultaneously
One end of R55 ~ R56, the other end of resistance the R55 base stage of connecting triode Q11 and one end of resistance R53 simultaneously, resistance R53
The other end and triode Q11 emitter ground connection；The other end of resistance R56 simultaneously the base stage of connecting triode Q12 and
One end of resistance R54, the other end of resistance R54 and the emitter ground connection of triode Q12.
The anode of 12V DC power supply connects the coil electrode of relay K1 and the cathode of diode D9, relay simultaneously
The emitter of the anode connecting triode Q11 of the coil cathode and diode D9 of K1；The anode of 12V DC power supply connects simultaneously
The coil electrode of relay K2 and the cathode of diode D10, the coil cathode of relay K2 and the anode of diode D10 connect
Connect the emitter of triode Q12.
The normally opened contact of relay K1 and relay K2 are separately connected the zero curve and firewire of 220VAC mains supply, relay
The normally-closed contact of K1 and relay K2 be separately connected inverter module output AC signal zero curve and firewire, relay K1 and
Output end of the moved end of relay K2 as AC signal.(power supply of 220VAC mains supply), relay under normal operating condition
Device K1 ~ K2 is in triggering state, i.e. normally opened contact is attracted, and normally-closed contact disconnects, and 220VAC mains supply power supply at this time is by closing
The normally opened contact of conjunction introduces ac supply signal；When having a power failure, relay K1 ~ K2 coil losing electricity, normally opened contact and normally closed touching
Point resets, and the AC signal of inverter output introduces ac supply signal by the normally-closed contact resetted.Due to the electricity when having a power failure
The voltage value for pressing signal POWER is zero, thus can not driving triode Q11 ~ Q12 conducting, therefore relay K1 ~ K2 is constantly in
Off-position.
As shown in figure 9, inverter module includes inverter U14, the DC supply input of inverter U14 accesses lithium battery
Positive and negative anodes, the output end of inverter U14 draws the firewire and zero curve of AC signal respectively, obtains voltage by inverter U14
It is similarly the AC signal of 220V.
As shown in Figure 10, lithium battery charge management module includes integrated chip U18, the 15V direct current of model CN3763
The anode in source connects resistance R57 ~ R58, capacitor C46, one end of capacitor C34 ~ C35,9 feet of integrated chip U18 and field simultaneously
The source electrode of effect pipe Q9, the other end of resistance R57 ~ R58 are separately connected the anode of light emitting diode LD2 ~ LD1, light emitting diode
The cathode of LD2 ~ LD1 is separately connected 3 feet and 4 feet of integrated chip U18, the other end ground connection of capacitor C46 and capacitor C34, resistance
1 foot of the other end connection integrated chip U18 of C35, the grid of the 10 feet connection field-effect tube Q9 of integrated chip U18.Field-effect
The anode of the drain electrode connection diode D3 of pipe Q9, one end of the cathode connection inductance L2 of diode D3 and the yin of diode D4
Pole, the plus earth of diode D4.
The other end of inductance L2 connects one end of resistance R49 ~ R50 and 8 feet of integrated chip U18 simultaneously, and resistance R49 ~
The other end of R50 connects the anode of 7 feet of integrated chip U18, capacitor C48, one end of resistance R3 and lithium battery BT1 simultaneously,
The other end of capacitor C48 and the cathode ground connection of lithium battery BT1,6 feet of the other end connection integrated chip U18 of resistance R3, collection
It is grounded at the 5 foot series resistance R59 and capacitor C47 of chip U18, the 2 feet ground connection of integrated chip U18.Lithium battery BT1 is to connect
Enter the lithium battery of inverter U14.
As shown in figure 11, central processing module includes the single-chip microcontroller U1 of model STM32F407VET6, and the 15 of single-chip microcontroller U1
~ 17 feet are respectively and in above-mentioned signal lamp drive module, and 14 feet, 11 feet and 10 feet of integrated chip U10 are connected, single-chip microcontroller U1's
26 feet are connected with the emitter of triode Q10 in above-mentioned power failure detection module.
14 feet of single-chip microcontroller U1 connect one end of resistance R2 and capacitor C23 simultaneously, and the other end of resistance R2 connects 3.3V
DC power anode, the other end ground connection of capacitor C23.The 94 foot series resistance R28 of single-chip microcontroller U1 are grounded, 37 foot series resistance R1
Ground connection, 49 feet and 73 feet difference series capacitance C13 and capacitor C14 ground connection, 10 feet, 20 feet, 27 feet, 74 feet and 99 feet directly connect
Ground.50 feet, 75 feet, 100 feet, 28 feet, 11 feet, 19 feet, 21 feet, 22 feet of single-chip microcontroller U1 connect 3.3V DC power anode.
8 feet of single-chip microcontroller U1 connect one end of capacitor C11 and crystal oscillator Y2 simultaneously, and 9 feet connect capacitor C12 and crystalline substance simultaneously
One end of vibration Y2, capacitor C11 ~ C12 other end ground connection.12 feet of single-chip microcontroller U1 connect the one of capacitor C9 and crystal oscillator Y1 simultaneously
End, 13 feet connect one end of capacitor C10 and crystal oscillator Y1, capacitor C9 ~ C10 other end ground connection simultaneously.
As shown in figure 12, central processing module further includes the integrated chip U11 of model DS1302Z, integrated chip U11's
1 foot connects the anode of 5V DC power supply and one end of capacitor C25, the other end ground connection of capacitor C25, integrated chip U11 simultaneously
2 feet, between 3 feet crystal oscillator Y3, integrated chip U11 in parallel 4 feet ground connection, 3.3V DC power supply series resistance R45 connection integrates
5 ~ 7 feet of 7 feet of chip U11, integrated chip U11 are separately connected 25 ~ 23 feet of single-chip microcontroller U1.8 feet of integrated chip U11 connect
The anode of battery BAT1, the cathode ground connection of battery BAT1.
As shown in figure 13, central processing module further includes integrated chip U13, the 3.3V DC power supply of model FM24CL64
Anode connect one end of resistance R47 ~ R48 and capacitor C22 simultaneously, the other end of resistance R47 ~ R48 connects integrated chip U13
6 feet and 5 feet, capacitor C22 the other end connection integrated chip U13 1 foot, integrated chip U13 4 feet ground connection.Integrated chip
6 feet and 5 feet of U13 connect 32 feet and 31 feet of single-chip microcontroller U1 simultaneously.3.3V DC power supply anode simultaneously connect capacitor C15 ~
One end of C21, the other end ground connection of capacitor C15 ~ C21.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (6)
1. a kind of intelligent traffic signal machine based on self-contained electric system, including signal lamp, alternating current is the power supply of signal lamp, if
It is equipped with signal lamp drive module and central processing module, central processing module issues control signal to signal lamp, passes through signal
Lamp drive module control signal lamp extinguishes or lights, it is characterised in that: is provided with power supply switching module, inverter module and straight
Power supply is flowed, DC power supply accesses the direct current input section of inverter module, the AC power source of inverter module output
The firewire and zero curve of firewire and zero curve and alternating current are respectively connected to the different input terminals of power supply switching module, power supply switching module it is defeated
The power supply input terminal of outlet connection signal lamp, the power supply of alternating current or inverter module as signal lamp；
The power supply switching module includes a group relay, and the coil of relay is by alternating current continued power；One of relay
The normally opened contact and normally-closed contact of device are separately connected the firewire of alternating current and the firewire of inverter module, another relay it is normal
It opens contact and normally-closed contact is separately connected the zero curve of alternating current and the zero curve of inverter module, the non-moving end conduct of two relays
The output end of power supply switching module.
2. the intelligent traffic signal machine according to claim 1 based on self-contained electric system, it is characterised in that: be provided with power failure
Detection module, the city are electrically accessed power failure detection module, and the output end of power failure detection module connects the central processing module.
3. the intelligent traffic signal machine according to claim 2 based on self-contained electric system, it is characterised in that: be provided with pressure stabilizing
Power module, the output end of power supply switching module access power module of voltage regulation simultaneously, power module of voltage regulation be power failure detection module,
Central processing module, power supply switching module and signal lamp drive module provide working power.
4. the intelligent traffic signal machine according to claim 1 based on self-contained electric system, it is characterised in that: the direct current
Power supply is lithium battery.
5. the intelligent traffic signal machine according to claim 4 based on self-contained electric system, it is characterised in that: be additionally provided with for
The lithium battery charge management module that the lithium battery charges.
6. the intelligent traffic signal machine according to claim 3 based on self-contained electric system, it is characterised in that: in the pressure stabilizing
The output end of power module is additionally provided with for the capacitor to the central processing module temporary power.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085046A (en) * | 2019-05-22 | 2019-08-02 | 无锡安邦电气股份有限公司 | The signal lamp failure detection circuit and detection method that signal lamp is combined with signal controlling machine |
| CN110438916A (en) * | 2019-08-07 | 2019-11-12 | 浙江理工大学 | A kind of night intelligence zebra stripes system and method responding moving direction |
| CN113496598A (en) * | 2020-03-18 | 2021-10-12 | 云南金隆伟业电子有限公司 | Road traffic signal lamp conversion control device with radio communication |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085046A (en) * | 2019-05-22 | 2019-08-02 | 无锡安邦电气股份有限公司 | The signal lamp failure detection circuit and detection method that signal lamp is combined with signal controlling machine |
| CN110085046B (en) * | 2019-05-22 | 2023-12-26 | 无锡安邦电气股份有限公司 | Signal lamp fault detection circuit and method combining signal lamp and signal controller |
| CN110438916A (en) * | 2019-08-07 | 2019-11-12 | 浙江理工大学 | A kind of night intelligence zebra stripes system and method responding moving direction |
| CN113496598A (en) * | 2020-03-18 | 2021-10-12 | 云南金隆伟业电子有限公司 | Road traffic signal lamp conversion control device with radio communication |
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