Illumination control circuit with double power supply incoming lines

Abstract

The utility model relates to a dual power supply incoming line illumination control circuit. A main power supply is connected to a main circuit; a standby power supply is connected to the main circuit at the same time; a dual-power change-over switch is arranged on the main circuit, and the dual-power change-over switch is connected to a dual-power controller; the dual-power-supply controller controls and switches the dual-power-supply change-over switch, and the main power supply and the standby power supply are switched. According to the lighting control circuit, the mode of switching the dual-power change-over switch is controlled through the dual-power controller, the control circuit can be simplified, faults can be reduced, and the problem that in an existing lighting control circuit, a main power supply and a standby power supply are generally switched through a relay loop is solved; however, when the relay loop controls the switching of the main power supply and the standby power supply, the relay loop is very complex, and faults are easy to form in the switching process.

Description

Technical Field

[0001] The embodiments of the utility model relate to a lighting control circuit, and in particular to a lighting control circuit with dual power supply lines. Background Art

[0002] In existing lighting control circuits, the main power supply and the backup power supply are generally switched only through a relay circuit; however, when the relay circuit controls the switching between the main power supply and the backup power supply, the relay circuit will be very complicated, and at the same time, faults are easily caused during the switching process. Utility Model Content

[0003] The purpose of the embodiments of the present utility model is to provide a dual-power supply line lighting control circuit that can simplify the control circuit and reduce faults.

[0004] In order to achieve the above objectives, the embodiment of the present invention designs a dual power supply line lighting control circuit, including:

[0005] Main circuit;

[0006] A main power supply, connected to the main circuit;

[0007] A backup power supply, connected to the main circuit at the same time;

[0008] A dual power supply conversion switch is provided on the main circuit.

[0009] A dual power controller, the dual power conversion switch is connected to the dual power controller; the dual power controller controls the switching of the dual power conversion switch to switch the main power supply and the backup power supply.

[0010] Furthermore, in the dual-power-input lighting control circuit described in the present invention, a lighting controller is provided on the main circuit to control two lighting circuits.

[0011] Furthermore, in the dual-power incoming lighting control circuit described in the present invention, the main power supply and the backup power supply are both connected to the incoming terminal of the dual-power conversion switch.

[0012] Furthermore, in the dual power supply line lighting control circuit of the present invention, the main circuit further includes:

[0013] A circuit breaker is connected to the inlet of the circuit breaker at the outlet of the dual power conversion switch; and is connected to a control circuit at the outlet of the circuit breaker;

[0014] Current transformers, with several groups of current transformers being arranged on the output terminals of the circuit breaker;

[0015] a first contactor, wherein the circuit breaker outlet is connected to the first contactor inlet;

[0016] A second contactor, wherein the circuit breaker outlet is connected to the second contactor inlet;

[0017] The circuit breaker outlet is connected to the power supply terminal of the lighting controller; the lighting controller is also connected to the neutral line;

[0018] The first contactor output terminal is connected to the lighting controller input terminal;

[0019] The third contactor, the output end of the lighting controller is connected to the input end of the third contactor; after the output end of the third contactor is connected to the output end of the second contactor, they are respectively connected to the first lighting circuit and the input end of the fourth contactor; the output end of the fourth contactor is connected to the second lighting circuit.

[0020] Furthermore, in the dual power supply incoming lighting control circuit described in the present invention, the main power supply and the backup power supply are respectively connected to the input ends of the dual power supply conversion switch; the fire input is short-circuited on the dual power supply conversion switch; a communication interface is set on the dual power supply conversion switch; the position input end on the dual power supply conversion switch is connected to the feedback end of the dual power supply controller; the position O control priority end and the permission control end are respectively connected to the two ends of the first contact of the circuit breaker, and then connected to the common end.

[0021] Furthermore, in the dual power supply incoming lighting control circuit of the present invention, the model of the dual power supply transfer switch is ATyS C 4P; and the dual power supply controller is ATyS C25 series.

[0022] Furthermore, in the dual power supply incoming lighting control circuit of the present invention, a first set of current transformers is connected to the Iin-A terminal, Iin-B terminal, and Iin-C terminal of the lighting controller respectively;

[0023] Connect the light-controlled switch and the first normally open contact of the fourth contactor to the DI-GK terminal and the DI-KM3 terminal of the lighting controller respectively;

[0024] The first normally open contact of the second contactor and the first normally open contact of the first contactor are connected to the DI-KM21 terminal and the DI-KM11 terminal of the lighting controller respectively;

[0025] The DI-KM21 terminal of the lighting controller is short-circuited with the DI-KM22 terminal and DI-KM23 terminal of the lighting controller respectively;

[0026] The DI-KM11 terminal of the lighting controller is short-circuited with the DI-KM12 terminal and DI-KM13 terminal of the lighting controller respectively;

[0027] The first knob is connected to the X3.35 end of the lighting controller and the X3.36 end of the lighting controller;

[0028] A communication interface and a communication touch screen are provided on the lighting controller.

[0029] Furthermore, in the dual power supply incoming lighting control circuit of the present invention, the control circuit further includes:

[0030] A control power supply, connected to the output terminal of the circuit breaker;

[0031] A fuse, wherein the control power supply is connected to an inlet terminal of the fuse;

[0032] A transfer switch, wherein the outgoing terminals of the fuse are respectively connected to the 5th terminal of the transfer switch, the 9th terminal of the transfer switch, and the 1st terminal of the transfer switch;

[0033] a second knob, wherein the outgoing terminals of the fuse are respectively connected to the incoming terminals of the second knob;

[0034] The third output contact of the lighting controller, the output end of the fuse is connected to one end of the third output contact of the lighting controller;

[0035] The outlet of the fuse is connected to the power inlet of the lighting controller; the power outlet of the lighting controller is connected to the neutral line;

[0036] The output terminal of the fuse is connected to the power input terminal of the light-controlled switch; the power output terminal of the light-controlled switch is connected to the neutral line;

[0037] The sixth terminal of the transfer switch is connected to the input terminal of the operation indicator light; the output terminal of the operation indicator light is connected to the neutral line;

[0038] The 10th terminal of the transfer switch is respectively connected to the coil input terminal of the intermediate relay and the first normally open contact input terminal of the intermediate relay; the coil output terminal of the intermediate relay is connected to the neutral line; the first normally open contact output terminal of the intermediate relay is connected to the first normally closed contact input terminal of the third contactor; the first normally closed contact output terminal of the third contactor is connected to the coil input terminal of the second contactor; the coil output terminal of the second contactor is connected to the neutral line;

[0039] The second end of the conversion switch is respectively connected to the first output point input terminal and the second output point input terminal of the lighting controller; the second output point output terminal of the lighting controller is connected to the first normally closed contact input terminal of the third contactor; the first output point output terminal of the lighting controller is connected to the first normally closed contact input terminal of the second contactor; the first normally closed contact output terminal of the second contactor is connected to the third contactor coil input terminal; the third contactor coil output terminal is connected to the neutral line;

[0040] The output terminal of the second knob is connected to the input terminal of the first normally open contact of the intermediate relay; the output terminal of the first normally open contact of the intermediate relay is connected to the input terminal of the fourth contactor coil; the output terminal of the fourth contactor coil is connected to the neutral line;

[0041] The other end of the third output contact of the lighting controller is connected to the fourth contactor coil input terminal;

[0042] The control power supply is connected to the incoming end of the lighting controller and the light-controlled switch, and the outgoing end of the lighting controller and the light-controlled switch is connected to the neutral line.

[0043] Furthermore, in the dual power supply incoming line lighting control circuit of the present utility model, the current transformer further includes:

[0044] The second set of current transformers has its mutual induction side connected to the incoming line side of the electricity meter; and the second set of current transformers and the outgoing line side of the electricity meter are both grounded.

[0045] Furthermore, in the dual power supply line lighting control circuit described in the present invention, the dual power supply line lighting control circuit performs dual power supply control of the lighting circuit.

[0046] Compared with the prior art, the implementation method of the present invention adopts the method of connecting the main power supply to the main circuit; connecting the backup power supply to the main circuit at the same time; setting a dual power supply transfer switch on the main circuit, and connecting the dual power supply transfer switch to a dual power supply controller; and the dual power supply controller controls the switching of the dual power supply transfer switch to switch the main power supply and the backup power supply. The form of controlling the switching of the dual power supply transfer switch by the dual power supply controller has the characteristics of being able to simplify the control circuit and reduce faults, and solves the problem that in the existing lighting control circuit, the main power supply and the backup power supply are generally switched only through the relay circuit; however, when the relay circuit controls the switching of the main power supply and the backup power supply, the relay circuit will be very complicated, and at the same time, faults are easily caused during the switching process. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 This is a circuit diagram of the main circuit of the utility model;

[0048] Figure 2 This is a circuit diagram of a dual power controller controlling switching of a dual power transfer switch according to the present invention;

[0049] Figure 3 This is a circuit diagram of the lighting controller of the present invention;

[0050] Figure 4 This is a schematic diagram of the control circuit of the utility model;

[0051] Figure 5 This is a schematic diagram of the connection circuit of the second set of current transformers and electricity meters in the utility model. DETAILED DESCRIPTION

[0052] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, various embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will appreciate that many technical details are provided in various embodiments of the present invention to facilitate a better understanding of the present application. However, even without these technical details and the various variations and modifications based on the following embodiments, the technical solutions claimed in the claims of this application can be achieved.

[0053] The first embodiment of the present invention relates to a dual power supply line lighting control circuit, such as Figures 1 to 5 Shown, including:

[0054] The main circuit and backup power supply in this utility model provide power for the dual power supply line lighting control circuit in this example; the main power supply 1L1~1L3-1N is connected to the main circuit; the backup power supply 2L1~2L3-2N is also connected to the main circuit; a dual power supply transfer switch ATS is set on the main circuit,

[0055] A dual power controller ATSD and a dual power transfer switch ATS are connected to the dual power controller ATSD; the dual power controller ATSD controls the switching of the dual power transfer switch ATS to switch between the main power supply 1L1 to 1L3-1N and the backup power supply 2L1 to 2L3-2N. Controlling the switching of the dual power transfer switch ATS by the dual power controller ATSD simplifies the control circuit and reduces faults, solving the problem that in existing lighting control circuits, the main power supply and the backup power supply are generally switched only through a relay circuit; however, when the relay circuit controls the switching between the main power supply and the backup power supply, the relay circuit becomes very complex, and faults are easily caused during the switching process.

[0056] In order to achieve the above technical effects, the present invention provides a second embodiment. The dual power supply line lighting control circuit in this embodiment is as follows: Figures 1 to 5As shown, a lighting controller EB is set on the main circuit to control two lighting circuits.

[0057] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown, the main power supplies 1L1 to 1L3-1N and the backup power supplies 2L1 to 2L3-2N are all connected to the incoming line terminal of the dual power transfer switch ATS.

[0058] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown, the main circuit also includes:

[0059] The output terminal of the dual power transfer switch ATS is connected to the input terminal of the circuit breaker QF; the output terminal of the circuit breaker QF is connected to the control circuit; the circuit breaker QF is used to switch the main power supply 1L1~1L3-1N and the backup power supply 2L1~2L3-2N.

[0060] Several sets of current transformers TA1 to TA6 are installed on the QF outlet of the circuit breaker; the current transformers TA1 to TA6 are mainly used to measure the current in the main inductor circuit;

[0061] The outgoing terminal of the circuit breaker QF is connected to the incoming terminal of the first contactor KM1; the first contactor KM1 is used to control the power supply entering the lighting controller EB;

[0062] The outgoing terminal of the circuit breaker QF is connected to the incoming terminal of the second contactor KM2;

[0063] The output terminal of the circuit breaker QF is connected to the power supply terminal of the lighting controller EB; the lighting controller EB is also connected to the neutral line; providing power to the lighting controller EB;

[0064] The output terminal of the first contactor KM1 is connected to the input terminal of the lighting controller EB;

[0065] The output of the lighting controller EB is connected to the third contactor KM3's input terminal. The output of the third contactor KM3 is connected to the output of the second contactor KM2 and then to the first lighting circuit and the input terminal of the fourth contactor KM4. The output of the fourth contactor KM4 is connected to the second lighting circuit. The second contactor KM2, the third contactor KM3, and the fourth contactor KM4 enable the lighting controller EB to control two lighting circuits.

[0066] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5As shown, the input terminals of the dual power transfer switch (ATS) are connected to the main power supplies 1L1 to 1L3-1N and the backup power supplies 2L1 to 2L3-2N. The fire input is short-circuited on the dual power transfer switch (ATS). A communication interface is provided on the dual power transfer switch (ATS). The position input terminal on the dual power transfer switch (ATS) is connected to the feedback terminal of the dual power controller (ATSD). The position O control priority terminal and the allowable control terminal are connected to the two ends of the first contact (QF-1) of the circuit breaker, and then to the common terminal. When the first contact (QF-1) of the circuit breaker is connected, the dual power controller (ATSD) controls the dual power transfer switch (ATS) to the control priority position.

[0067] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown in the figure, the model of the dual power transfer switch ATS is ATyS C 4P; the dual power controller ATSD is ATyS C25 series.

[0068] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown, a first set of current transformers are connected to the I in-A terminal, I in-B terminal, and I in-C terminal of the lighting controller EB respectively, for sensing the current of the main circuit.

[0069] Connect the light-controlled switch SL and the first normally open contact KM4-1 of the fourth contactor to the DI-GK terminal and DI-KM3 terminal of the lighting controller EB respectively; so that the light-controlled switch SL controls the lighting controller EB to control the outdoor lighting;

[0070] The first normally open contact KM2-1 of the second contactor and the first normally open contact KM1-1 of the first contactor are respectively connected to the DI-KM21 terminal and DI-KM11 terminal of the lighting controller EB; the contactor status of the backup power supply 2L1~2L3-2N and the contactor status of the main power supply 1L1~1L3-1N are input to the lighting controller EB, so that after the lighting controller EB confirms, two-way lighting output is performed.

[0071] The DI-KM21 end of the lighting controller EB is short-circuited with the DI-KM22 end and DI-KM23 end of the lighting controller, and the DI-KM11 end of the lighting controller EB is short-circuited with the DI-KM12 end and DI-KM13 end of the lighting controller; the lighting controller EB is mainly set to two lighting outputs.

[0072] The first knob SA1 is connected to the X3.35 terminal and the X3.36 terminal of the lighting controller EB, which is used to select the main power supply 1L1~1L3, 2N and the backup power supply 2L1~2L3-2N output;

[0073] A communication interface and a communication touch screen are provided on the lighting controller EB for communication and human-machine visual interaction.

[0074] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown, the control circuit further includes:

[0075] Connect the control power supply L11 to the output terminal of the circuit breaker QF; the control power supply L11 provides control power for the control circuit;

[0076] The control power supply L11 is connected to the line input terminal of the fuse FU7; the fuse FU7 mainly provides short-circuit protection for the control power supply L11.

[0077] The output ends of fuse FU7 are respectively connected to the 5th terminal end of transfer switch SA, the 9th terminal end of transfer switch SA, and the 1st terminal end of transfer switch SA; transfer switch SA realizes the output control switching of main power supply 1L1~1L3, 2N and backup power supply 2L1~2L3-2N.

[0078] The outgoing terminals of the fuse FU7 are connected to the incoming terminals of the second knob SA2; the second knob SA2 is used to control the switching of the two lighting channels;

[0079] The third output contact EBDO3 of the lighting controller, the output end of the fuse FU7 is connected to one end of the third output contact EBDO3 of the lighting controller;

[0080] The outlet of fuse FU7 is connected to the power supply input terminal of lighting controller EB; the power supply outlet of lighting controller EB is connected to the neutral line N;

[0081] The output terminal of the fuse FU7 is connected to the power input terminal of the light-operated switch SL; the power output terminal of the light-operated switch SL is connected to the neutral line N;

[0082] The 6th terminal of the transfer switch SA is connected to the input terminal of the operation indicator light HG; the output terminal of the operation indicator light HG is connected to the neutral line N;

[0083] The 10th terminal of the transfer switch SA is respectively connected to the coil input terminal of the intermediate relay KA0 and the input terminal of the first normally open contact KA0-1 of the intermediate relay; the coil output terminal of the intermediate relay KA0 is connected to the neutral line N; the output terminal of the first normally open contact KA0-1 of the intermediate relay is connected to the input terminal of the first normally closed contact KM3-1 of the third contactor; the output terminal of the first normally closed contact KM3-1 of the third contactor is connected to the coil input terminal of the second contactor KM2; the output terminal of the coil KM2 of the second contactor is connected to the neutral line N;

[0084] The second end of the transfer switch SA is connected to the input terminal of the first output point EBDO1 of the lighting controller and the input terminal of the second output point EBDO2 of the lighting controller respectively; the output terminal of the second output point EBDO2 of the lighting controller is connected to the input terminal of the first normally closed contact KM3-1 of the third contactor; the output terminal of the first output point EBDO1 of the lighting controller is connected to the input terminal of the first normally closed contact KM2-2 of the second contactor; the output terminal of the first normally closed contact KM2-2 of the second contactor is connected to the input terminal of the coil of the third contactor KM3; the output terminal of the coil KM3 of the third contactor is connected to the neutral line N;

[0085] The output terminal of the second knob SA2 is connected to the input terminal of the first normally open contact KA0-2 of the intermediate relay; the output terminal of the first normally open contact KA0-2 of the intermediate relay is connected to the input terminal of the fourth contactor KM coil; the output terminal of the fourth contactor coil KM4 is connected to the neutral line N;

[0086] The other end of the third output contact EBDO3 of the lighting controller is connected to the coil input terminal of the fourth contactor KM4;

[0087] In the above circuit, when the second contactor KM2 is actuated, the first lighting circuit is operated; when the third contactor KM3 and the fourth contactor KM4 are actuated, the second lighting circuit is operated, thereby realizing switching of the lighting circuit.

[0088] The control power supply L11 is connected to the input terminal of the lighting controller EB and the light-operated switch SL, and the output terminal of the lighting controller EB and the light-operated switch SL is connected to the neutral line N.

[0089] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown, the current transformers TA1 to TA6 also include:

[0090] The inlet side of the second set of current transformers TA1-TA3 is connected to the inductance side of the electricity meters PA1-PA3. The outlet sides of the second set of current transformers TA1-TA3 and the electricity meters PA1-PA3 are both grounded. The inductance side of the second set of current transformers TA1-TA3 is fed into the electricity meters PA1-PA3, enabling metering by the electricity meters PA1-PA3.

[0091] In order to achieve the above technical effects, in the dual power supply line lighting control circuit of the present invention, as Figures 1 to 5 As shown, the dual power supply line lighting control circuit in this example implements a dual power supply control lighting circuit.

[0092] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A dual power supply line lighting control circuit, characterized in that: include: Main circuit; A main power supply, connected to the main circuit; A backup power supply, connected to the main circuit at the same time; A dual power supply conversion switch is provided on the main circuit. A dual power controller, the dual power conversion switch is connected to the dual power controller; the dual power controller controls the switching of the dual power conversion switch to switch the main power supply and the backup power supply.

2. The dual power supply incoming line lighting control circuit according to claim 1, characterized in that: A lighting controller is provided on the main circuit to control two lighting circuits.

3. The dual power supply incoming lighting control circuit according to claim 1, characterized in that: The main power supply and the backup power supply are both connected to the input terminal of the dual power conversion switch.

4. The dual power supply incoming lighting control circuit according to claim 1, characterized in that: The main circuit further includes: A circuit breaker is connected to the inlet of the circuit breaker at the outlet of the dual power conversion switch; and is connected to a control circuit at the outlet of the circuit breaker; Current transformers, with several groups of current transformers being arranged on the output terminals of the circuit breaker; a first contactor, wherein the circuit breaker outlet is connected to the first contactor inlet; A second contactor, wherein the circuit breaker outlet is connected to the second contactor inlet; The circuit breaker outlet is connected to the power supply terminal of the lighting controller; the lighting controller is also connected to the neutral line; The first contactor output terminal is connected to the lighting controller input terminal; The third contactor, the output end of the lighting controller is connected to the input end of the third contactor; after the output end of the third contactor is connected to the output end of the second contactor, they are respectively connected to the first lighting circuit and the input end of the fourth contactor; the output end of the fourth contactor is connected to the second lighting circuit.

5. The dual power supply incoming line lighting control circuit according to claim 1, characterized in that: The main power supply and the backup power supply are respectively connected to the input ends of the dual power conversion switch; the fire input is short-circuited on the dual power conversion switch; a communication interface is set on the dual power conversion switch; the position input end on the dual power conversion switch is connected to the feedback end of the dual power controller; the position O control priority end and the permission control end are respectively connected to the two ends of the first contact of the circuit breaker, and then connected to the common end.

6. The dual power supply incoming line lighting control circuit according to claim 5, characterized in that: The model of the dual power conversion switch is ATyS C 4P; the model of the dual power controller is ATyS C25 series.

7. The dual power supply incoming line lighting control circuit according to claim 2, characterized in that: Connecting a first set of current transformers to the Iin-A terminal, the Iin-B terminal, and the Iin-C terminal of the lighting controller respectively; Connect the light-controlled switch and the first normally open contact of the fourth contactor to the DI-GK terminal and the DI-KM3 terminal of the lighting controller respectively; The first normally open contact of the second contactor and the first normally open contact of the first contactor are connected to the DI-KM21 terminal and the DI-KM11 terminal of the lighting controller respectively; The DI-KM21 terminal of the lighting controller is short-circuited with the DI-KM22 terminal and the DI-KM23 terminal of the lighting controller respectively; The DI-KM11 terminal of the lighting controller is short-circuited with the DI-KM12 terminal and the DI-KM13 terminal of the lighting controller respectively; The first knob is connected to the X3.35 end of the lighting controller and the X3.36 end of the lighting controller; A communication interface and a communication touch screen are provided on the lighting controller.

8. The dual power supply incoming line lighting control circuit according to claim 4, characterized in that: The control circuit further includes: A control power supply, connected to the output terminal of the circuit breaker; A fuse, wherein the control power supply is connected to an inlet terminal of the fuse; A transfer switch, wherein the outgoing terminals of the fuse are respectively connected to the 5th terminal of the transfer switch, the 9th terminal of the transfer switch, and the 1st terminal of the transfer switch; a second knob, wherein the outgoing terminals of the fuse are respectively connected to the incoming terminals of the second knob; The third output contact of the lighting controller, the output end of the fuse is connected to one end of the third output contact of the lighting controller; The outlet of the fuse is connected to the power inlet of the lighting controller; the power outlet of the lighting controller is connected to the neutral line; The output terminal of the fuse is connected to the power input terminal of the light-controlled switch; the power output terminal of the light-controlled switch is connected to the neutral line; The sixth terminal of the transfer switch is connected to the input terminal of the operation indicator light; the output terminal of the operation indicator light is connected to the neutral line; The 10th terminal of the transfer switch is respectively connected to the coil input terminal of the intermediate relay and the first normally open contact input terminal of the intermediate relay; the coil output terminal of the intermediate relay is connected to the neutral line; the first normally open contact output terminal of the intermediate relay is connected to the first normally closed contact input terminal of the third contactor; the first normally closed contact output terminal of the third contactor is connected to the coil input terminal of the second contactor; the coil output terminal of the second contactor is connected to the neutral line; The second end of the conversion switch is respectively connected to the first output point input terminal and the second output point input terminal of the lighting controller; the second output point output terminal of the lighting controller is connected to the first normally closed contact input terminal of the third contactor; the first output point output terminal of the lighting controller is connected to the first normally closed contact input terminal of the second contactor; the first normally closed contact output terminal of the second contactor is connected to the third contactor coil input terminal; the third contactor coil output terminal is connected to the neutral line; The output terminal of the second knob is connected to the input terminal of the first normally open contact of the intermediate relay; the output terminal of the first normally open contact of the intermediate relay is connected to the input terminal of the fourth contactor coil; the output terminal of the fourth contactor coil is connected to the neutral line; The other end of the third output contact of the lighting controller is connected to the fourth contactor coil input terminal; The control power supply is connected to the incoming end of the lighting controller and the light-controlled switch, and the outgoing end of the lighting controller and the light-controlled switch is connected to the neutral line.

9. The dual power supply incoming line lighting control circuit according to claim 4, characterized in that: The current transformer further includes: The second set of current transformers has its mutual induction side connected to the incoming line side of the electricity meter; and the second set of current transformers and the outgoing line side of the electricity meter are both grounded.

10. The dual power supply incoming lighting control circuit according to any one of claims 1 to 9, characterized in that: The dual power supply incoming line lighting control circuit performs dual power supply control of the lighting circuit.

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