CN214544877U - Illumination control system - Google Patents
Illumination control system Download PDFInfo
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- CN214544877U CN214544877U CN202120605261.1U CN202120605261U CN214544877U CN 214544877 U CN214544877 U CN 214544877U CN 202120605261 U CN202120605261 U CN 202120605261U CN 214544877 U CN214544877 U CN 214544877U
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Abstract
The application relates to the field of lighting control, in particular to a lighting control system, which comprises a main power supply module, a main power supply module and a lighting control module, wherein the main power supply module is connected to a mains supply and used for providing voltage; further comprising: the detection module is connected with the main power supply module, detects the communication state of the commercial power and outputs a switching signal when the commercial power is cut off; the standby power supply module is connected to the detection module and responds to the switching signal to control the conduction of a power supply loop where the standby power supply module is located so as to provide voltage; the control module is connected with the main power supply module and the standby power supply module to receive voltage and output a control signal after responding to external trigger; and the lighting module is connected with the main power supply module and the standby power supply module and is used for lighting in response to the control signal. This application has the effect that indoor people of being convenient for move about when having a power failure night.
Description
Technical Field
The present application relates to the field of lighting control, and more particularly, to a lighting control system.
Background
At present, the lighting equipment is important electric equipment in resident families, and the lighting equipment can provide the illumination field of vision for people when working at night so as to meet the indoor activities of people. Generally, most of the household lighting devices are powered by mains supply. However, when power is off at night in special situations, the lighting system cannot work, and the activities of people in the room are limited.
In view of the above-mentioned related art, the inventor believes that there is a drawback that a power outage at night may make it inconvenient for people to move indoors.
SUMMERY OF THE UTILITY MODEL
In order to facilitate indoor people to move when power failure occurs at night, the application provides an illumination control system.
The application provides an illumination control system adopts following technical scheme:
a lighting control system comprises a main power supply module, a control module and a control module, wherein the main power supply module is connected to mains supply and used for providing voltage; further comprising:
the detection module is connected with the main power supply module, detects the communication state of the commercial power and outputs a switching signal when the commercial power is cut off;
the standby power supply module is connected to the detection module and responds to the switching signal to control the conduction of a power supply loop where the standby power supply module is located so as to provide voltage;
the control module is connected with the main power supply module and the standby power supply module to receive voltage and output a control signal after responding to external trigger; and
and the lighting module is connected with the main power supply module and the standby power supply module and is used for lighting in response to the control signal.
By adopting the technical scheme, when the mains supply is powered off, the detection module can output the switching signal, and the standby power supply module responds to the switching signal to realize the conduction of the output loop; the power supply objects of the control module and the lighting module are switched into the standby power supply module by the main power supply module to ensure the continuous supply of power, so that the lighting module can still illuminate under the condition of mains supply outage, and people can move indoors.
Optionally, the standby power supply module is a ternary lithium battery.
By adopting the technical scheme, the ternary lithium battery has high energy density and good cycle performance, and is small in size, convenient to install indoors and capable of reducing the occupation of space under the same electric storage capacity.
Optionally, the main power supply module includes a bridge rectifier circuit and a transformer T, a primary side coil of the transformer T is connected to the utility power, a secondary side coil of the transformer T is connected to an ac input end of the bridge rectifier circuit, and an output end of the bridge rectifier circuit is connected to the detection module.
Through adopting above-mentioned technical scheme, transformer T is being exported through bridge rectifier circuit with alternating current conversion after stepping down the commercial power, for control module and lighting module provide stable direct current power supply.
Optionally, the detection module includes a first electromagnetic relay KM1, one end of a coil of the first electromagnetic relay KM1 is connected to the positive output end of the bridge rectifier circuit, and the other end of the coil of the first electromagnetic relay KM1 is connected to the positive power supply terminal of the control module; the normally closed contact KM1-1 of the first electromagnetic relay KM1 is connected in series between the anode of the ternary lithium battery and the power supply anode of the control module, the cathode of the ternary lithium battery is connected with the cathode output end of the bridge rectifier circuit, and the power supply cathode of the control module is connected with the cathode output end of the bridge rectifier circuit.
By adopting the technical scheme, when the commercial power is disconnected, the coil of the first electromagnetic relay KM1 is changed from power-on to power-off, the normally closed contact KM1-1 of the first electromagnetic relay KM1 is changed from open to closed, and at the moment, the power supply object is switched to the standby power supply module; the electromagnetic relay has simple structure and is convenient to maintain and wire.
Optionally, the control module includes a PLC controller and a second electromagnetic relay KM2, one end of a coil of the electromagnetic relay KM2 is connected to an output end of the PLC controller, and the other end of the electromagnetic relay KM2 is grounded; the input end of the PLC is connected with a light detection module, and the light detection module detects the brightness of an external environment and outputs a detection signal; when the detection signal is larger than the preset brightness value, the PLC controller outputs a control signal to control the conduction of the lighting module.
Through adopting above-mentioned technical scheme, when the luminance of indoor light is greater than the default, the PLC controller does not export control signal, and lighting module can't get electric work, has reduced the waste that the light led to the fact the electric energy when light luminance is too high.
Optionally, a third electromagnetic relay KM3 is connected between the lighting module and the anode of the ternary lithium battery, one end of a coil of the third electromagnetic relay KM3 is connected to a power supply end of the lighting module, the other end of the coil of the third electromagnetic relay KM3 is connected to one end of a normally open contact of the second electromagnetic relay KM2, and the other end of the normally open contact KM2-1 of the second electromagnetic relay KM2 is connected to the anode of the ternary lithium battery; the other power supply end of the lighting module is connected with the negative output end of the bridge rectifier circuit, and a normally open contact KM3-1 of a third electromagnetic relay KM3 is connected in parallel with a normally open contact KM2-1 of a second electromagnetic relay KM 2.
By adopting the technical scheme, when the lighting module is powered on for lighting, the detection signal measured by the light sensor is larger than the preset brightness value, the PLC does not output a control signal, and the normally open contact of the second electromagnetic relay KM2 is disconnected; the coil of the third electromagnetic relay KM3 is electrified, and the normally open contact KM3-1 of the third electromagnetic relay KM32 is closed, so that the lighting module can be communicated with the main power supply module or the standby power supply module for lighting.
Optionally, a light emitting diode VD1 is connected in series between the anode of the ternary lithium battery and the power supply anode of the PLC controller.
Through adopting above-mentioned technical scheme, when the commercial power outage, the PLC controller is supplied power by the ternary lithium cell, and emitting diode VD1 gets the electricity luminous this moment, instructs people, and the people of being convenient for confirm lighting module's power supply object this moment.
Optionally, a button switch AN is connected in series with the cathode of the light emitting diode VD1 and the end of the second electromagnetic relay KM2, which is not connected with the normally open contact KM2-1 of the third electromagnetic relay KM 3.
Through adopting above-mentioned technical scheme, through button switch, people can independently control lighting module's operating condition, have promoted the convenience and the practicality of system.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the mains supply is powered off, the detection module can output a switching signal, and the standby power supply module responds to the switching signal to realize the conduction of the output loop; the power supply objects of the control module and the lighting module are switched from the main power supply module to the standby power supply module so as to ensure the continuous supply of power, so that the lighting module can still illuminate under the condition of mains supply outage, and people can move indoors conveniently;
2. the ternary lithium battery has high energy density and good cycle performance, and is small in size, convenient to install indoors and capable of reducing the space occupation under the same electric storage capacity.
Drawings
Fig. 1 is a schematic connection diagram of a lighting control system in an embodiment of the present application.
Description of reference numerals: 1. a main power supply module; 11. a bridge rectifier circuit; 2. a detection module; 3. a standby power supply module; 4. a control module; 5. a lighting module; 6. and a light detection module.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses an illumination control system, refer to fig. 1, and include main power module 1, detection module 2, reserve power module 3, control module 4, illumination module 5 and light detection module 6. When the mains supply is normal, the main power supply module 1 supplies power to the control module 4 and the lighting module 5 so as to control the lighting module 5 to be capable of working by power supply; when the commercial power is cut off, detection module 2 outputs switching signal so that the output circuit at standby power supply module 3 is switched on, and the power supply object of control module 4 and lighting module 5 is switched into standby power supply module 3, so that lighting module 5 can still be powered on to work, and people move about at night when having a power failure.
Referring to fig. 1, the main power supply module 1 includes a bridge rectifier circuit 11 and a transformer T; a primary side coil of the transformer T is connected to the commercial power, and a secondary side coil of the transformer T is connected to the ac input terminal of the bridge rectifier circuit 11. The transformer T reduces the voltage of the mains supply and converts the mains supply into direct current through the bridge rectifier circuit 11 to supply power to the control module 4 and the lighting module 5.
Referring to fig. 1, the standby power supply module 3 is a rechargeable ternary lithium battery; detection module 2 comprises a first electromagnetic relay KM 1; the control module 4 includes a PLC controller and a second electromagnetic relay KM 2. One end of a coil of the first electromagnetic relay KM1 is connected to the positive electrode output end of the bridge rectification circuit 11, and the other end of the coil is connected to the power supply positive electrode of the PLC; one end of a normally closed contact KM1-1 of the first electromagnetic relay KM1 is connected to the anode of the ternary lithium battery, and the other end of the normally closed contact KM1-1 of the first electromagnetic relay KM1 is connected to the connection point of the power supply anode of the PLC and the output anode of the bridge rectifier circuit 11. And a light emitting diode VD1 is connected in series between the anode of the ternary lithium battery and the power supply anode of the PLC. When the commercial power is not powered off, the commercial power supplies power to the PLC through the transformer T and the bridge rectification circuit 11, meanwhile, the coil of the first electromagnetic relay KM1 is powered on, the normally closed contact KM1-1 is disconnected, and the light-emitting diode VD1 is not lighted. When the mains supply is powered off, the coil of the first electromagnetic relay KM1 is powered off, which is a switching signal; and when the normally closed contact KM1-1 is closed, the ternary lithium battery supplies power to the PLC 4, and the light-emitting diode VD1 lights up.
Referring to fig. 1, the light detection module 6 includes at least three light sensors, the input end of the PLC controller is connected with the output ends of the light sensors in a one-to-one correspondence manner, and the light sensors are disposed at different indoor positions. One end of the coil of the second electromagnetic relay KM2 was connected to the output terminal of the PLC controller, and the other end of the coil of the second electromagnetic relay KM2 was grounded. The lighting module 5 comprises a plurality of LED bulbs connected in parallel; one common end of the LED bulbs after being connected in parallel is connected to one end of a normally open contact KM2-1 of a second electromagnetic relay KM2, and the other end of the normally open contact KM2-1 of the second electromagnetic relay KM2 is connected with the anode of the ternary lithium battery in series to form a button switch AN; and the other common end of the LED bulbs connected in parallel is connected with the negative electrode output end of the bridge rectifier circuit 11.
Referring to fig. 1, a third electromagnetic relay KM3 is further connected between the lighting module 5 and the positive electrode of the ternary lithium battery, one end of a coil of the third electromagnetic relay KM3 is connected to one end of the LED bulb which is connected in parallel and is not connected with the bridge rectifier circuit 11, and the other end of the coil of the third electromagnetic relay KM3 is connected to one end of a normally open contact KM2-1 of the second electromagnetic relay KM2 which is connected with the button switch AN; the normally open contact KM3-1 of the third electromagnetic relay KM3 was connected in parallel with the normally open contact KM2-1 of the second electromagnetic relay KM 2.
The light sensor detects the indoor light brightness and outputs a detection signal to the PLC, and the PLC 4 compares the detection signal with a brightness value of a preset value; when the brightness signal output by any one of the light sensors is lower than the preset brightness value, the PLC controller outputs a control signal, that is, the output end of the PLC outputs a voltage, and the coil of the second electromagnetic relay KM2 is energized. At the moment, the normally open contact KM2-1 of the second electromagnetic relay KM2 is closed, people close the button switch AN, and the LED bulb is electrified to work; meanwhile, the coil of the third electromagnetic relay KM3 is electrified, and the normally open contact KM3-1 of the third electromagnetic relay KM3 is closed to form self-locking of a power supply loop of the lighting module 5. When the detection signal is larger than the preset brightness value, the output end of the PLC does not output voltage, and the waste of electric energy caused by the fact that the lighting module 5 is powered on for lighting when the light is sufficient is reduced.
After the LED bulb is turned on, the light sensor detects that the indoor light brightness is improved, at the moment, the detection signal output by the light sensor is larger than the preset brightness signal, the PLC does not output a control signal any more, the coil of the second electromagnetic relay KM2 is powered off, the normally open contact KM2-1 of the second electromagnetic relay KM2 is disconnected, and the current can still supply power to the LED bulb through the normally open contact KM3-1 of the third electromagnetic relay KM3 which is closed; one can control the LED bulb to go out by turning off the push switch AN.
The implementation principle of the illumination control system in the embodiment of the application is as follows: when the mains supply is not powered off, the coil of the first electromagnetic relay KM1 is electrified, the normally closed contact KM1-1 is disconnected, and the mains supply supplies power to the PLC and the LED bulb after being subjected to voltage reduction of the transformer T and rectification of the bridge rectification circuit 11. The light sensor outputs a detection signal to the PLC controller 4, when the indoor brightness is smaller than a preset brightness value, the output end of the PLC controller outputs voltage, and if the button switch AN is closed, the LED bulb is powered on. When the mains supply is powered off, the coil of the first electromagnetic relay KM1 loses power, the normally closed contact KM1-1 is closed, and at the moment, the three-element lithium battery supplies power to the PLC and the LED bulb.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A lighting control system is characterized by comprising a main power supply module (1) connected to a mains supply and used for providing voltage; further comprising:
the detection module (2) is connected to the main power supply module (1), detects the communication state of the commercial power and outputs a switching signal when the commercial power is cut off;
the standby power supply module (3) is connected to the detection module (2) and responds to the switching signal to control the conduction of a power supply loop where the standby power supply module (3) is located so as to provide voltage;
the control module (4) is connected with the main power supply module (1) and the standby power supply module (3) to receive voltage and output a control signal after responding to external trigger; and
and the lighting module (5) is connected to the main power supply module (1) and the standby power supply module (3) and is used for lighting in response to the control signal.
2. A lighting control system as claimed in claim 1, wherein: and the standby power supply module (3) is a ternary lithium battery.
3. A lighting control system according to claim 2, wherein: the main power supply module (1) comprises a bridge rectifier circuit (11) and a transformer T, a primary side coil of the transformer T is connected to a mains supply, a secondary side coil of the transformer T is connected to an alternating current input end of the bridge rectifier circuit (11), and an output end of the bridge rectifier circuit (11) is connected to the detection module (2).
4. A lighting control system according to claim 3, wherein: the detection module (2) comprises a first electromagnetic relay KM1, one end of a coil of the first electromagnetic relay KM1 is connected to the positive electrode output end of the bridge rectifier circuit (11), and the other end of the coil of the first electromagnetic relay KM1 is connected to the power supply positive electrode of the control module (4); the normally closed contact KM1-1 of the first electromagnetic relay KM1 is connected in series between the anode of the ternary lithium battery and the power supply anode of the control module (4), the cathode of the ternary lithium battery is connected with the cathode output end of the bridge rectifier circuit (11), and the power supply cathode of the control module (4) is connected with the cathode output end of the bridge rectifier circuit (11).
5. A lighting control system according to claim 2, wherein: the control module (4) comprises a PLC controller and a second electromagnetic relay KM2, one end of a coil of the electromagnetic relay KM2 is connected to the output end of the PLC controller, and the other end of the electromagnetic relay KM2 is grounded; the input end of the PLC is connected with a light detection module (6), and the light detection module (6) detects the brightness of an external environment and outputs a detection signal; when the detection signal is larger than the preset brightness value, the PLC controller outputs a control signal to control the conduction of the lighting module (5).
6. A lighting control system according to claim 2, wherein: a third electromagnetic relay KM3 is connected between the lighting module (5) and the anode of the ternary lithium battery, one end of a coil of the third electromagnetic relay KM3 is connected to a power supply end of the lighting module (5), the other end of the coil of the third electromagnetic relay KM3 is connected to one end of a normally open contact of a second electromagnetic relay KM2, and the other end of the normally open contact KM2-1 of the second electromagnetic relay KM2 is connected with the anode of the ternary lithium battery; the other power supply end of the lighting module (5) is connected with the negative output end of the bridge rectifier circuit (11), and a normally open contact KM3-1 of a third electromagnetic relay KM3 is connected in parallel with a normally open contact KM2-1 of a second electromagnetic relay KM 2.
7. A lighting control system according to claim 5, wherein: and a light emitting diode VD1 is connected in series between the anode of the ternary lithium battery and the power supply anode of the PLC.
8. A lighting control system according to claim 7, wherein: the cathode of the light-emitting diode VD1 and one end of the normally open contact KM2-1 of the second electromagnetic relay KM2 which is not connected with the coil of the third electromagnetic relay KM3 are connected in series with a button switch AN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605261.1U CN214544877U (en) | 2021-03-25 | 2021-03-25 | Illumination control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605261.1U CN214544877U (en) | 2021-03-25 | 2021-03-25 | Illumination control system |
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| Publication Number | Publication Date |
|---|---|
| CN214544877U true CN214544877U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120605261.1U Active CN214544877U (en) | 2021-03-25 | 2021-03-25 | Illumination control system |
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| CN (1) | CN214544877U (en) |
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2021
- 2021-03-25 CN CN202120605261.1U patent/CN214544877U/en active Active
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