CN218243099U - Traffic signal lamp device for safety electricity utilization - Google Patents
Traffic signal lamp device for safety electricity utilization Download PDFInfo
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- CN218243099U CN218243099U CN202222288454.6U CN202222288454U CN218243099U CN 218243099 U CN218243099 U CN 218243099U CN 202222288454 U CN202222288454 U CN 202222288454U CN 218243099 U CN218243099 U CN 218243099U
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Abstract
The utility model discloses a traffic signal lamp device for safety electricity utilization, which relates to the technical field of traffic signal lamp control and comprises a power input module for providing electric energy; the input control module is used for electric energy transmission control; the charging protection control module is used for adjusting electric energy and supplying power to the standby power supply control module; the standby power supply control module is used for carrying out uninterrupted power supply through the super capacitor circuit and storing energy; the state detection module is used for detecting the state of input electric energy; the isolation control module is used for signal isolation transmission; and the voltage stabilization output module is used for providing voltage stabilization electric energy for the traffic signal device module. The utility model discloses safe power consumption traffic signal lamp device provides the electric energy for charging protection control module through city electricity and new forms of energy jointly, when the commercial power is unusual, will control super capacitor circuit and carry out short period of power supply to for energy storage circuit provides enough switching time and steady voltage output, the emergence of the short period of data loss that leads to when avoiding switching power supply and the condition that resets.
Description
Technical Field
The utility model relates to a traffic signal lamp control technical field specifically is a safe power consumption traffic signal lamp device.
Background
In order to better realize smooth traffic, the intelligent management of the traffic signal lamp needs to be continuously optimized, and the traffic signal lamp plays an important role in traffic safety, most areas adopt a mains supply mode to control the traffic lamp to work, when power supply is insufficient or a power supply line fails, the traffic signal lamp cannot work normally, traffic disorder is caused, and due to the fact that a control chip inside the traffic signal lamp is reset after power failure, the traffic signal lamp works again after being electrified again, the warning time of the traffic signal lamp is disordered, and the safety of travel is affected, so that the traffic signal lamp is to be improved.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a traffic signal lamp device of safe power consumption to solve the problem that proposes in the above-mentioned background art.
The basis the embodiment of the utility model provides an in, provide a safe power consumption traffic signal lamp device, this safe power consumption traffic signal lamp device includes: the system comprises a power supply input module, an input control module, a charging protection control module, a standby power supply control module, a state detection module, an isolation control module, a voltage stabilization output module and a traffic signal device module;
the power supply input module is used for providing required direct current electric energy together through the mains voltage circuit and the new energy circuit;
the input control module is connected with the power input module and the voltage stabilization output module and is used for controlling the electric energy output by the mains voltage circuit to be transmitted to the voltage stabilization output module;
the charging protection control module is connected with the power input module and used for adjusting the electric energy output by the power input module through a DC-DC adjusting circuit;
the standby power supply control module is connected with the charging protection control module and the input control module, is used for performing rapid charging and discharging work through a super capacitor circuit and performing uninterrupted power supply, is used for receiving electric energy output by the charging protection control module, stores energy through an energy storage circuit and is used for controlling the discharging work of the energy storage circuit;
the state detection module is connected with the power input module and used for detecting the state of the mains voltage circuit and outputting a fault signal;
the isolation control module is connected with the state detection module, the input control module and the standby power supply control module, and is used for isolating and transmitting the fault signal, controlling the standby power supply control module to work and controlling the input control module to work;
the voltage stabilization output module is connected with the standby power supply control module and is used for receiving the electric energy output by the input control module and the standby power supply control module and performing voltage stabilization control;
and the traffic signal device module is connected with the voltage-stabilizing output module and the input control module and is used for receiving the electric energy output by the voltage-stabilizing output module and the input control module and controlling the traffic signal lamp and the traffic signal lamp controller to work.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses safe power consumption traffic signal lamp device passes through power input module and receives two kinds of power supply electric energy, under the normal condition, commercial power and new forms of energy are jointly for charging protection control module provides the electric energy, the commercial power provides the electric energy for traffic signal device module, when the commercial power is unusual, to break off input control module, and control the super capacitor circuit among the stand-by power supply control module and carry out short duration power supply, so that provide sufficient power switching time for energy storage circuit, the emergence of the short duration electric energy loss condition that the switching power leads to when avoiding the outage, avoid the influence of the transient voltage who supplies electricity again and produce simultaneously, and carry out steady voltage by steady voltage output module and adjust, improve the safe power consumption requirement to traffic signal lamp device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a traffic signal lamp device for safety electric appliances according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a traffic signal lamp device for safety in use provided by an example of the present invention.
Fig. 3 is a circuit diagram illustrating a connection between a state detection module and an isolation control module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
specifically, the power input module 1 is configured to provide required dc power through a mains voltage circuit and a new energy circuit;
the input control module 2 is connected with the power input module 1 and the voltage stabilization output module 7 and is used for controlling the electric energy output by the mains voltage circuit to be transmitted to the voltage stabilization output module 7;
the charging protection control module 3 is connected with the power input module 1 and used for adjusting the electric energy output by the power input module 1 through a DC-DC adjusting circuit;
the standby power supply control module 4 is connected with the charging protection control module 3 and the input control module 2, is used for performing rapid charging and discharging work through a super capacitor circuit and performing uninterrupted power supply, is used for receiving the electric energy output by the charging protection control module 3, is stored by an energy storage circuit and is used for controlling the discharging work of the energy storage circuit;
the state detection module 5 is connected with the power input module 1 and used for detecting the state of the mains voltage circuit and outputting a fault signal;
the isolation control module 6 is connected with the state detection module 5, the input control module 2 and the standby power supply control module 4, and is used for isolating and transmitting the fault signal, controlling the standby power supply control module 4 to work and controlling the input control module 2 to work;
the voltage stabilization output module 7 is connected with the standby power supply control module 4 and is used for receiving the electric energy output by the input control module 2 and the standby power supply control module 4 and performing voltage stabilization control;
and the traffic signal device module 8 is connected with the voltage-stabilizing output module 7 and the input control module 2 and is used for receiving the electric energy output by the voltage-stabilizing output module 7 and the input control module 2 and controlling the traffic signal lamps and the traffic signal lamp controller to work.
In a specific embodiment, the power input module 1 may provide the required direct current by using a mains voltage and new energy complementary power supply mode; the input control module 2 can adopt a switching tube control circuit to control the transmission of the output electric energy of the power input module 1; the charging protection control module 3 can adopt a DC-DC regulating circuit to provide electric energy for the standby power supply control module 4; the standby power supply control module 4 can adopt a mode of connecting a super capacitor circuit and an energy storage circuit in parallel, the super capacitor circuit provides a transient power supply requirement, and the energy storage circuit supplies power stably; the state detection module 5 may adopt a power failure detection circuit, and the specific failure cause includes power failure and voltage jump, which is not described herein again; the isolation control module 6 can adopt an optical coupling circuit to realize isolation control; the voltage-stabilizing output module 7 can adopt a voltage-stabilizing output circuit; the traffic signal device module 8 is divided into a traffic signal lamp and a traffic signal lamp controller, and the traffic signal lamp is controlled by the traffic signal lamp controller, which is not described herein again.
In this embodiment, please refer to fig. 2 and fig. 3, the power input module 1 includes a commercial power input adjustment port, a new energy input port, a first diode D1, a second diode D2, and a third diode D3;
specifically, the utility power input regulation port is connected to an anode of the first diode D1, the new energy input port is connected to an anode of the second diode D2, a cathode of the first diode D1 is connected to an anode of the third diode D3 and the input control module 2, and a cathode of the third diode D3 is connected to a cathode of the second diode D2 and the charging protection control module 3.
In a specific embodiment, the commercial power input adjusting port is configured to receive the dc power output by the commercial power processing, and needs to be processed by a rectifying and filtering circuit, which is not described herein again; the new energy input port can adopt, but is not limited to a photovoltaic power supply, a wind energy power supply and the like.
Further, the input control module 2 includes a fourth resistor R4, a fourth diode D4, a first switching tube VT1, a first power tube Q1, a second power tube Q2, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a fifth capacitor C5;
specifically, one end of the fourth resistor R4 and the source of the first power transistor Q1 are connected to the cathode of the first diode D1, the drain of the first power transistor Q1 is connected to the drain of the second power transistor Q2, the other end of the fourth resistor R4 is connected to the emitter of the first switching transistor VT1 and the anode of the fourth diode D4, the cathode of the fourth diode D4 is connected to the base of the first switching transistor VT1 and is connected to one end of the fifth capacitor C5 and the ground through the seventh resistor R7, the collector of the first switching transistor VT1 is connected to the first end of the eighth resistor R8 and is connected to the gate of the first power transistor Q1 through the fifth resistor R5, the second end of the eighth resistor R8 is connected to the other end of the fifth capacitor C5 and the isolation control module 6 and is connected to the gate of the second power transistor Q2 through the sixth resistor R6, and the drain of the second power transistor Q2 is connected to the regulated output module 7.
In an embodiment, the first switch transistor VT1 may be an NPN transistor; the first switch tube VT1 and the second switch tube VT2 can both use N-channel enhancement MOS transistors, and when electric energy is input, the first switch tube VT1 is matched, and the first switch tube VT1 and the second switch tube VT2 are in a continuous conduction state.
Further, the charging protection control module 3 includes a first capacitor C1, a second capacitor C2, a first resistor R1, a third capacitor C3, a first controller U1, a second resistor R2, a third resistor R3, a first inductor L1, a ninth resistor R9, and a fourth capacitor C4;
specifically, one end of the first capacitor C1, one end of the second capacitor C2, one end of the first resistor R1, an eighth end of the first controller U1, and one end of the second resistor R2 are all connected to the cathode of the second diode D2, the first end of the first controller U1 is connected to the other end of the second capacitor C2, the other end of the first capacitor C1, the ninth end of the first controller U1, one end of the fourth capacitor C4, and the ground end through the third capacitor C3, the other end of the first resistor R1 is connected to the sixth end of the first controller U1, the fourth end of the first controller U1 is connected to the other end of the second resistor R2 and to the ground end through the third resistor R3, the seventh end of the first controller U1 is connected to the first end of the ninth resistor R9 and the second end of the first controller U1 through the first inductor L1, and the third end of the first controller U1 is connected to the second end of the ninth resistor R9 and the other end of the fourth capacitor C4.
In a specific embodiment, the first controller U1 may select PW4203 to charge the chip.
Further, the standby power control module 4 includes a third power tube Q3, a fourth power tube Q4, a twenty-first resistor R21, an energy storage battery, a super capacitor CD1, and a fifth diode D5; the traffic signal device module 8 comprises a traffic signal light;
specifically, the source of the third power tube Q3 is connected to the source of the second power tube Q2, the anode of the fifth diode D5 and the traffic signal lamp, the drain of the third power tube Q3 is connected to the drain of the fourth power tube Q4, the source of the fourth power tube Q4 is connected to the second end of the ninth resistor R9 and the anode of the energy storage battery, the negative electrode of the energy storage battery and one end of the twenty-first resistor R21 are connected to the ground, the other end of the twenty-first resistor R21 is connected to the gate of the third power tube Q3, the gate of the fourth power tube Q4 and the isolation control module 6, and the cathode of the fifth diode D5 is connected to the ground through the super capacitor CD 1.
In a specific embodiment, the third power transistor Q3 and the fourth power transistor Q4 may both be P-channel enhancement MOS transistors.
Further, the state detection module 5 includes a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, and a first voltage regulator VD1;
specifically, one end of the fourteenth resistor R14 and one end of the fifteenth resistor R15 are both connected to the commercial voltage input adjustment port, the other end of the fourteenth resistor R14 is connected to one end of the sixteenth resistor R16 and the first end of the first voltage regulator VD1, and the other end of the fifteenth resistor R15 is connected to the other end of the sixteenth resistor R16 and the second end of the first voltage regulator VD 1.
Further, the isolation control module 6 includes a first optocoupler J1, a first power supply VCC1, a seventeenth resistor R17, a seventh capacitor C7, an eighteenth resistor R18, a nineteenth resistor R19, a second voltage regulator VD2, a twentieth resistor R20, and a fifth switch VT5;
specifically, a first end and a second end of the first optocoupler J1 are connected with a first end and a second end of the first voltage regulator tube VD1 respectively, a third end of the first optocoupler J1 is connected with a first power supply VCC1, a fourth end of the first optocoupler J1 is connected with one end of an eighteenth resistor R18 and one end of a seventh capacitor C7 and is connected with a ground end through a seventeenth resistor R17, the other end of the eighteenth resistor R18 is connected with a cathode of the second voltage regulator tube VD2, a first end of a nineteenth resistor R19 and one end of a twentieth resistor R20, an anode of the second voltage regulator tube VD2 and the other end of the seventh capacitor C7 are all grounded, the other end of the twentieth resistor R20 is connected with a base of the first switch tube VT1, an emitter of the first switch tube VT1 is connected with a second end of the eighth resistor R8, and a second end of the nineteenth resistor R19 is connected with a gate of the third power tube Q3.
In a specific embodiment, the first optical coupler J1 can be a PC817 optical coupler; the fifth switching transistor VT5 may be a PNP type transistor.
It should be noted that, only the power-off detection circuit is introduced here, the voltage jump of the utility power can be detected by the comparison circuit, and the output fault signal is a low level, and the fifth switching tube VT5, the third power tube Q3, and the fourth power tube Q4 are controlled to operate simultaneously, which is not described herein again.
Further, the voltage stabilizing output module 7 includes a tenth resistor R10, a sixth capacitor C6, a fourth switching tube VT4, a second switching tube VT2, a third switching tube VT3, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, and an indicator light LED; the traffic signal device module 8 comprises a traffic light controller;
specifically, one end of the tenth resistor R10 is connected to the cathode of the fifth diode D5, the collector of the second switching tube VT2 and the collector of the third switching tube VT3, the emitter of the second switching tube VT2 is connected to the base of the third switching tube VT3, the base of the second switching tube VT2 is connected to the other end of the tenth resistor R10, one end of the sixth capacitor C6 and the collector of the fourth switching tube VT4, the fourth switching emitter is connected to the anode of the indicator LED and is connected to the emitter of the third switching tube VT3 through the eleventh resistor R11, one end of the twelfth resistor R12 and the power supply terminal of the traffic signal lamp controller, the other end of the twelfth resistor R12 is connected to the base of the fourth switching tube VT4 and is connected to the cathode of the indicator LED, the other end of the sixth capacitor C6 and the ground terminal through the thirteenth resistor R13, and the output terminal of the traffic signal lamp controller is connected to the traffic signal lamp.
In a specific embodiment, the second switching transistor VT2, the third switching transistor VT3, and the fourth switching transistor VT4 may all be NPN transistors.
The utility model relates to a safe power consumption traffic signal lamp device, adjust the direct current after the port output is handled by the commercial power input, direct current that is provided by the new forms of energy input port output, wherein commercial power and the electric energy of new forms of energy output can provide required energy charging electric energy for energy storage battery through first controller U1 simultaneously, and the electric energy of commercial power output still is as the main power supply of traffic signal device module 8, after commercial power input adjustment port outage, first opto-coupler J1 will end, make fifth switch tube VT5 switch on, third power tube Q3 and fourth power tube Q4 switch on, make energy storage battery access circuit, because energy storage capacitor inserts the power failure condition that can appear a subsection, super capacitor CD1 will provide transient electric energy for the traffic signal lamp controller during this moment, avoid the outage to lead to the reset of traffic signal lamp controller, accomplish switching control until energy storage battery, and the electric energy of output will all pass through second switch tube VT2, the steady voltage output circuit that third switch tube VT3 and fourth switch tube VT4 constitute carries out transient voltage control, the steady voltage output circuit that the electric energy supply leads to the electric energy when avoiding the traffic signal lamp to produce the transient state of electricity to lose again, the traffic signal lamp and control, the traffic signal lamp is improved, the traffic signal lamp is lost, the traffic signal lamp is avoided the traffic safety power consumption to be produced the transient state.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A traffic signal lamp device for safety electric utilization is characterized in that,
this safe power consumption traffic signal lamp device includes: the system comprises a power supply input module, an input control module, a charging protection control module, a standby power supply control module, a state detection module, an isolation control module, a voltage stabilization output module and a traffic signal device module;
the power supply input module is used for providing required direct current electric energy together through the mains voltage circuit and the new energy circuit;
the input control module is connected with the power input module and the voltage stabilization output module and is used for controlling the electric energy output by the mains voltage circuit to be transmitted to the voltage stabilization output module;
the charging protection control module is connected with the power input module and used for adjusting the electric energy output by the power input module through a DC-DC adjusting circuit;
the standby power supply control module is connected with the charging protection control module and the input control module, is used for performing rapid charging and discharging work through a super capacitor circuit and performing uninterrupted power supply, is used for receiving electric energy output by the charging protection control module, stores energy through an energy storage circuit and is used for controlling the discharging work of the energy storage circuit;
the state detection module is connected with the power input module and used for detecting the state of the mains voltage circuit and outputting a fault signal;
the isolation control module is connected with the state detection module, the input control module and the standby power supply control module, and is used for isolating and transmitting the fault signal, controlling the standby power supply control module to work and controlling the input control module to work;
the voltage stabilization output module is connected with the standby power supply control module and is used for receiving the electric energy output by the input control module and the standby power supply control module and performing voltage stabilization control;
and the traffic signal device module is connected with the voltage-stabilizing output module and the input control module and is used for receiving the electric energy output by the voltage-stabilizing output module and the input control module and controlling the traffic signal lamp and the traffic signal lamp controller to work.
2. The traffic signal lamp apparatus for safety use of electric power of claim 1, wherein the power input module comprises a commercial power input regulation port, a new energy input port, a first diode, a second diode, a third diode;
the utility power input adjusting port is connected with the anode of the first diode, the new energy input port is connected with the anode of the second diode, the cathode of the first diode is connected with the anode of the third diode and the input control module, and the cathode of the third diode is connected with the cathode of the second diode and the charging protection control module.
3. The traffic signal lamp device for safety use according to claim 2, wherein the input control module comprises a fourth resistor, a fourth diode, a first switch tube, a first power tube, a second power tube, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor and a fifth capacitor;
one end of the fourth resistor and a source electrode of the first power tube are connected with a cathode of the first diode, a drain electrode of the first power tube is connected with a drain electrode of the second power tube, the other end of the fourth resistor is connected with an emitting electrode of the first switch tube and an anode of the fourth diode, a cathode of the fourth diode is connected with a base electrode of the first switch tube and is connected with one end of the fifth capacitor and the ground end through the seventh resistor, a collector electrode of the first switch tube is connected with a first end of the eighth resistor and is connected with a grid electrode of the first power tube through the fifth resistor, a second end of the eighth resistor is connected with the other end of the fifth capacitor and the isolation control module and is connected with a grid electrode of the second power tube through the sixth resistor, and a drain electrode of the second power tube is connected with the voltage stabilization output module.
4. The traffic signal lamp device for safety use of electricity according to claim 3, wherein the charging protection control module comprises a first capacitor, a second capacitor, a first resistor, a third capacitor, a first controller, a second resistor, a third resistor, a first inductor, a ninth resistor, and a fourth capacitor;
one end of the first capacitor, one end of the second capacitor, one end of the first resistor, an eighth end of the first controller and one end of the second resistor are all connected with the cathode of the second diode, the first end of the first controller is connected with the other end of the second capacitor, the other end of the first capacitor, a ninth end of the first controller, one end of the fourth capacitor and the ground end through the third capacitor, the other end of the first resistor is connected with the sixth end of the first controller, the fourth end of the first controller is connected with the other end of the second resistor and the ground end through the third resistor, the seventh end of the first controller is connected with the first end of the ninth resistor and the second end of the first controller through the first inductor, and the third end of the first controller is connected with the second end of the ninth resistor and the other end of the fourth capacitor.
5. The traffic signal lamp device for safety use according to claim 4, wherein the standby power control module comprises a third power tube, a fourth power tube, a twenty-first resistor, an energy storage battery, a super capacitor and a fifth diode; the traffic signal device module comprises a traffic signal lamp;
the source electrode of the third power tube is connected with the source electrode of the second power tube, the anode of the fifth diode and the traffic signal lamp, the drain electrode of the third power tube is connected with the drain electrode of the fourth power tube, the source electrode of the fourth power tube is connected with the second end of the ninth resistor and the anode of the energy storage battery, the cathode of the energy storage battery and one end of the twenty-first resistor are connected with the ground end, the other end of the twenty-first resistor is connected with the grid electrode of the third power tube, the grid electrode of the fourth power tube and the isolation control module, and the cathode of the fifth diode is connected with the ground end through the super capacitor.
6. The traffic signal lamp device for safety use according to claim 5, wherein the state detection module comprises a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a first voltage regulator tube;
one end of the fourteenth resistor and one end of the fifteenth resistor are both connected with the mains supply input regulation port, the other end of the fourteenth resistor is connected with one end of the sixteenth resistor and the first end of the first voltage regulator tube, and the other end of the fifteenth resistor is connected with the other end of the sixteenth resistor and the second end of the first voltage regulator tube.
7. The traffic signal lamp device for safety use of electricity according to claim 6, wherein the isolation control module comprises a first optocoupler, a first power supply, a seventeenth resistor, a seventh capacitor, an eighteenth resistor, a nineteenth resistor, a second voltage regulator tube, a twentieth resistor, and a fifth switch tube;
the first end and the second end of a first optical coupler are respectively connected with the first end and the second end of a first voltage regulator tube, the third end of the first optical coupler is connected with a first power supply, the fourth end of the first optical coupler is connected with one end of an eighteenth resistor and one end of a seventh capacitor and is connected with the ground end through a seventeenth resistor, the other end of the eighteenth resistor is connected with the cathode of a second voltage regulator tube, the first end of a nineteenth resistor and one end of a twentieth resistor, the anode of the second voltage regulator tube and the other end of the seventh capacitor are all grounded, the other end of the twentieth resistor is connected with a base of a first switch tube, an emitting electrode of the first switch tube is connected with the second end of an eighth resistor, and the second end of the nineteenth resistor is connected with a grid electrode of a third power tube.
8. The traffic signal lamp device for safety use of electric power according to claim 7, wherein the voltage stabilizing output module comprises a tenth resistor, a sixth capacitor, a fourth switching tube, a second switching tube, a third switching tube, an eleventh resistor, a twelfth resistor, a thirteenth resistor and an indicator lamp; the traffic signal device module comprises a traffic signal lamp controller;
one end of the tenth resistor is connected with the cathode of the fifth diode, the collector of the second switch tube and the collector of the third switch tube, the emitter of the second switch tube is connected with the base of the third switch tube, the base of the second switch tube is connected with the other end of the tenth resistor, one end of the sixth capacitor and the collector of the fourth switch tube, the emitter of the fourth switch is connected with the anode of the indicator lamp and is connected with the emitter of the third switch tube, one end of the twelfth resistor and the power supply end of the traffic signal lamp controller through the eleventh resistor, the other end of the twelfth resistor is connected with the base of the fourth switch tube and is connected with the cathode of the indicator lamp, the other end of the sixth capacitor and the ground end through the thirteenth resistor, and the output end of the traffic signal lamp controller is connected with the traffic signal lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222288454.6U CN218243099U (en) | 2022-08-30 | 2022-08-30 | Traffic signal lamp device for safety electricity utilization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222288454.6U CN218243099U (en) | 2022-08-30 | 2022-08-30 | Traffic signal lamp device for safety electricity utilization |
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| CN218243099U true CN218243099U (en) | 2023-01-06 |
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| CN202222288454.6U Active CN218243099U (en) | 2022-08-30 | 2022-08-30 | Traffic signal lamp device for safety electricity utilization |
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