CN211352509U - Wireless control LED intelligent power supply - Google Patents
Wireless control LED intelligent power supply Download PDFInfo
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- CN211352509U CN211352509U CN201921956472.9U CN201921956472U CN211352509U CN 211352509 U CN211352509 U CN 211352509U CN 201921956472 U CN201921956472 U CN 201921956472U CN 211352509 U CN211352509 U CN 211352509U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 49
- 238000001914 filtration Methods 0.000 claims description 12
- 230000002159 abnormal effect Effects 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 2
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- 238000005286 illumination Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
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Abstract
The utility model discloses a wireless control LED intelligent power supply, characterized by includes electric wire netting voltage monitoring circuit, a controller, auxiliary power supply circuit, work circuit and illuminance monitoring circuit, electric wire netting voltage monitoring circuit signal input is connected to work circuit voltage acquisition end, auxiliary power supply circuit power input is connected to work circuit internal power supply output, electric wire netting voltage monitoring circuit voltage signal end connection director electric wire netting voltage signal receiving terminal, auxiliary power supply circuit output connection director power end and illuminance monitoring circuit power input, illuminance monitoring circuit output is connected to controller illuminance signal receiving terminal, work circuit is connected to controller duty cycle signal output. The utility model provides a wireless control LED intelligent power supply of ability according to grid voltage's abnormal conditions is handled in order to protect the LED lamp.
Description
Technical Field
The invention relates to the technical field of lighting, in particular to a wireless control LED intelligent power supply.
Background
At present, the intelligent lighting can bring more convenient and comfortable experience for human beings, is convenient for energy management, and is more and more accepted by people. In the field of intelligent lighting, Zigbee, WIFI and BLE have become the main options for wireless control. The domestic power grid has large fluctuation, and the abnormal high voltage of the power grid easily causes damage to electric products, so that real-time monitoring and advanced prevention cannot be realized. Human requirements for light environments are increasing, brightness, color temperature, glare, flicker, etc.
The invention discloses a Chinese patent publication No. CN202998585U, application date 2013, 12.06.12.A name invented and created is an LED intelligent power supply control device, which comprises an AC/DC conversion module, a constant current control module, an LED module, an ambient brightness monitoring module, a human body induction module, a temperature detection module, a memory module, an intelligent control module, a wireless module, a bus and a function expansion module; wherein: the intelligent control module is respectively connected with the constant current control module, the memory module, the wireless module and the bus, the constant current control module is respectively connected with the AC/DC conversion module and the LED module, and the bus is respectively connected with the ambient brightness monitoring module, the human body induction module, the temperature detection module and the function expansion module. The abnormal rising condition of the power grid voltage cannot be detected in the application, and the abnormal rising condition of the power grid voltage cannot be processed to protect the LED lamp from being burnt out.
Disclosure of Invention
The utility model relates to an overcome prior art's problem that can not handle in order to protect the LED lamp according to the abnormal conditions of grid voltage, provide one kind and can handle in order to protect the wireless control LED intelligent power supply of LED lamp according to the abnormal conditions of grid voltage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a technical scheme that its technical problem adopted is: the utility model provides a wireless control LED intelligent power supply, electric wire netting voltage monitoring circuit, a controller, auxiliary power supply circuit, working circuit and illuminance monitoring circuit, electric wire netting voltage monitoring circuit signal input part is connected to working circuit voltage collection end, auxiliary power supply circuit power input part is connected to working circuit internal power output, electric wire netting voltage monitoring circuit voltage signal end connection controller electric wire netting voltage signal receiving terminal, auxiliary power supply circuit output end connection controller power end and illuminance monitoring circuit power input part, illuminance monitoring circuit output is connected to controller illuminance signal receiving terminal, working circuit is connected to controller duty cycle signal output. The controller can control the output of the duty ratio signal of output to the working circuit, can make the working circuit not output voltage when needing, the signal of electric wire netting voltage monitoring circuit monitoring working circuit voltage acquisition end, in case the unusual working circuit that just can be controlled through the controller does not output voltage, with the LED lamp of burning out of burning, illuminance monitoring circuit can export the illuminance signal directly proportional with external illuminance according to the change of external illuminance environment, after the controller received this signal, just can adjust working circuit output current, the size of output ground electric current is inversely proportional with the illuminance signal, this just makes the LED lamp darken along with the enhancement of environment illuminance, can practice thrift the electric energy.
Preferably, the grid voltage monitoring circuit comprises a resistor RS71, a voltage judging switch, a resistor RS72, a signal transmitter, a grid voltage monitoring circuit direct-current power supply Vcc and a resistor RS73, one end of the resistor RS71 serves as a signal input end of the grid voltage monitoring circuit, the other end of the resistor RS71 is connected with the voltage judging switch input end and one end of the resistor RS72, the other end of the resistor RS72 is grounded, the voltage judging switch output end is connected with the first input end of the signal transmitter, the first output end of the signal transmitter is grounded, the second input end of the signal transmitter is connected with the grid voltage monitoring circuit direct-current power supply Vcc, the second output end of the signal transmitter is connected with the first end of a resistor RS73, the second end of the resistor RS73 is grounded, and the first end of the resistor RS 36. The voltage signal HV of the voltage acquisition end of the working circuit is input from RS71, flows to the ground through RS72, and the voltage of the point A divided by RS71 and RS72 is UAIf U is presentAWhen the voltage is larger than the judgment threshold value of the voltage judgment switch, the signal transmitter is started, the current of the direct-current power supply Vcc of the power grid voltage monitoring circuit flows to the ground through the signal transmitter and the resistor RS73, the voltage of the voltage signal end of the power grid voltage monitoring circuit positioned at the first end of the resistor RS73 is increased, and the controller can know that the power grid voltage is abnormal.
Preferably, the wireless control LED intelligent power supply voltage judging switch is a voltage regulator diode ZS2, the cathode of the voltage regulator diode ZS2 is used as the input end of the voltage judging switch, and the anode of the voltage regulator diode ZS2 is used as the output end of the voltage judging switch.
Preferably, the signal transmitter is an optical coupler U1, an anode of the optical coupler U1 serves as a first input end of the signal transmitter, a cathode of the optical coupler U1 serves as a first output end of the signal transmitter, a collector of the optical coupler U1 serves as a second input end of the signal transmitter, and an emitter of the optical coupler U1 serves as a second input end of the signal transmitter.
Preferably, the wireless control LED intelligent power supply further comprises a wireless communication module, the power supply end of the wireless communication module is connected with the output end of the auxiliary power supply circuit, and the communication end of the wireless communication module is in serial communication with the wireless communication end of the controller. The wireless module can be in wireless connection with the terminal, and can send the information of the controller to the terminal and also can receive the information sent by the terminal to the controller.
Preferably, the working circuit comprises a rectifying and filtering circuit, an AC-DC constant voltage circuit, a first constant current circuit and a second constant current circuit, the input end of the rectifying and filtering circuit is connected with a power supply, the output end of the rectifying and filtering circuit is connected with the input end of the AC-DC constant voltage circuit, the output end of the AC-DC constant voltage circuit is respectively connected with the input end of the first constant current circuit and the input end of the second constant current circuit, the output end of the rectifying and filtering circuit is used as a voltage acquisition end of the working circuit, the AC-DC constant voltage circuit is used as an output end of a power supply in the working circuit, the first duty ratio signal output end of the controller is connected with the duty ratio signal input end of the first constant current circuit.
Therefore, the invention has the following beneficial effects: (1) the voltage signal HV of the voltage acquisition end of the working circuit is input from RS71, flows to the ground through RS72, and the voltage of the point A divided by RS71 and RS72 is UAIf U is presentAThe voltage is greater than the judgment threshold value of the voltage judgment switch, the signal transmitter is started, the current of the direct-current power supply Vcc of the grid voltage monitoring circuit flows to the ground through the signal transmitter and the resistor RS73, and the voltage signal end of the grid voltage monitoring circuit at the first end of the resistor RS73The voltage of the power grid is increased, and the controller can know that the voltage of the power grid is abnormal;
(2) the wireless module can be in wireless connection with the terminal, can send the information of the controller to the terminal, and can also receive the information sent to the controller by the terminal;
(3) the illuminance monitoring circuit can output an illuminance signal which is in direct proportion to the external illuminance according to the change of the external illuminance environment, the controller can adjust the output current of the working circuit after receiving the signal, the size of the output ground current is in inverse proportion to the illuminance signal, and the LED lamp can be darkened along with the enhancement of the environmental illuminance, so that the electric energy can be saved.
Drawings
FIG. 1 is a block diagram of the present invention
FIG. 2 is the utility model discloses a grid voltage monitoring circuit schematic diagram
In the figure: 1. the system comprises a power grid voltage monitoring circuit, 11 a voltage judging switch, 12 a signal transmitter, 2 a controller, 3 an auxiliary power supply circuit, 4 a working circuit, 41 a rectifying and filtering circuit, 42 an AC-DC constant voltage circuit, 43 a first constant current circuit, 44 a second constant current circuit, 5 an illumination monitoring circuit and 6 a wireless communication module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example (b): a wireless control LED intelligent power supply is shown in figure 1 and comprises a power grid voltage monitoring circuit 1, a controller 2, an auxiliary power supply circuit 3, a working circuit 4, an illumination monitoring circuit 5 and a wireless communication module 6, wherein the working circuit 4 comprises a rectifying and filtering circuit 41, an AC-DC constant voltage circuit 42, a first constant current circuit 43 and a second constant current circuit 44, and the controller can be a single chip microcomputer PIC17C 43.
The input end of the rectification filter circuit is connected with a power supply, the output end of the rectification filter circuit is connected with the input end of an AC-DC constant voltage circuit, the output end of the AC-DC constant voltage circuit is respectively connected with the input end of a first constant current circuit and the input end of a second constant current circuit, the AC-DC constant voltage circuit is connected with the power supply input end of an auxiliary power supply circuit, the first duty ratio signal output end of a controller is connected with the duty ratio signal input end of the first constant current circuit, the second duty ratio signal output end of the controller is connected with the duty ratio signal input end of the second constant current,
as shown in fig. 2, the grid voltage monitoring circuit 1 includes a resistor RS71, a voltage judging switch 11, a resistor RS72, a signal transmitter 12, a grid voltage monitoring circuit dc power supply Vcc13 and a resistor RS73, the voltage judging switch is a voltage regulator diode ZS2, the signal transmitter is an optocoupler U1, one end of the resistor RS71 is connected to the output end of the rectifying and filtering circuit, the other end of the resistor RS71 is connected to the cathode of the diode ZS2 and one end of the resistor RS72, the other end of the resistor RS72 is grounded, the anode of the diode ZS2 is connected to the anode of the optocoupler U1, the cathode of the optocoupler U1 is grounded, the collector of the optocoupler U1 is connected to the grid voltage monitoring circuit dc power supply Vcc, the emitter of the optocoupler U1 is connected to the first end of the resistor RS73, the second end of the resistor.
The voltage signal HV of the voltage acquisition end of the working circuit is input into the power grid voltage monitoring circuit from the RS71, flows to the ground through the RS72, and the voltage of the point A divided by the RS71 and the RS72 is UAIf U is presentAWhen the voltage is greater than the judgment threshold value of the voltage judgment switch, the signal transmitter is started, the current of the direct-current power supply Vcc of the power grid voltage monitoring circuit flows to the ground through the signal transmitter and the resistor RS73, the voltage of the voltage signal end of the power grid voltage monitoring circuit positioned at the first end of the resistor RS73 is increased, the controller can know that the power grid voltage is abnormal, at this time, the power grid or the rectifying and filtering circuit has a fault which cannot be rotated, and the controller can output full-empty PWM waves through the first duty ratio signal output end and the second duty ratio signal output end to control the first constant-current circuit and the second constant-current circuit not to output the voltage so as to avoid burning the LED lamp.
The wireless module can be in wireless connection with the terminal, and can send the information of the controller to the terminal and also can receive the information sent by the terminal to the controller.
The auxiliary power supply converts the current of 48V from the AC-DC constant voltage circuit into the current of 3.3V for the controller and the wireless communication module to use.
The illuminance monitoring circuit can output an illuminance signal which is in direct proportion to the external illuminance according to the change of the external illuminance environment, the controller can adjust the output current of the working circuit after receiving the signal, the size of the output ground current is in inverse proportion to the illuminance signal, and the LED lamp can be darkened along with the enhancement of the environmental illuminance, so that the electric energy can be saved.
Claims (6)
1. The utility model provides a wireless control LED intelligent power supply, characterized by includes electric wire netting voltage monitoring circuit (1), controller (2), auxiliary power supply circuit (3), working circuit (4) and illuminance monitoring circuit (5), electric wire netting voltage monitoring circuit signal input part is connected to working circuit voltage collection end, auxiliary power supply circuit power input part is connected to the internal power output of working circuit, electric wire netting voltage monitoring circuit voltage signal end connection controller electric wire netting voltage signal receiving terminal, auxiliary power supply circuit output part connection controller power end and illuminance monitoring circuit power input part, illuminance monitoring circuit output part is connected to controller illuminance signal receiving terminal, working circuit is connected to controller duty cycle signal output part.
2. The wireless control LED intelligent power supply according to claim 1, wherein the grid voltage monitoring circuit (1) comprises a resistor RS71, a voltage judging switch (11), a resistor RS72, a signal transmitter (12), a grid voltage monitoring circuit DC power supply Vcc (13) and a resistor RS73, one end of the resistor RS71 is used as a signal input end of the grid voltage monitoring circuit, the other end of the resistor RS71 is connected with the voltage judging switch input end and one end of the resistor RS72, the other end of the resistor RS72 is grounded, the voltage judging switch output end is connected with the first input end of the signal transmitter, the first output end of the signal transmitter is grounded, the second input end of the signal transmitter is connected with the grid voltage monitoring circuit DC power supply Vcc, the second output end of the signal transmitter is connected with the first end of the resistor RS73, the second end of the resistor RS73 is grounded, and the first end of the resistor RS 73.
3. The wireless control LED intelligent power supply as claimed in claim 2, wherein the voltage judging switch (11) is a voltage regulator diode ZS2, the cathode of the voltage regulator diode ZS2 is used as the input end of the voltage judging switch, and the anode of the voltage regulator diode ZS2 is used as the output end of the voltage judging switch.
4. The intelligent power supply of claim 2, wherein the signal transmitter (12) is an optocoupler U1, an anode of the optocoupler U1 is used as a first input end of the signal transmitter, a cathode of the optocoupler U1 is used as a first output end of the signal transmitter, a collector of the optocoupler U1 is used as a second input end of the signal transmitter, and an emitter of the optocoupler U1 is used as a second input end of the signal transmitter.
5. The wireless control LED intelligent power supply according to claim 1, further comprising a wireless communication module (6), wherein the power supply end of the wireless communication module is connected with the output end of the auxiliary power supply circuit, and the communication end of the wireless communication module is in serial communication with the wireless communication end of the controller.
6. The intelligent power supply of wireless control LED according to claim 1, wherein the working circuit (4) comprises a rectifying and filtering circuit (41) and an AC-DC constant voltage circuit (42), the input end of the rectifying and filtering circuit is connected with a power supply, the output end of the rectifying and filtering circuit is connected with the input end of the AC-DC constant voltage circuit, the output end of the AC-DC constant voltage circuit is respectively connected with the input end of the first constant current circuit and the input end of the second constant current circuit, the output end of the rectifying and filtering circuit is used as a working circuit voltage acquisition end, the AC-DC constant voltage circuit is used as an internal power supply output end of the working circuit, the first duty ratio signal output end of the controller is connected with the duty ratio signal input end of the first constant current circuit, and the second duty ratio signal output end of the controller is connected with the duty ratio signal input end of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956472.9U CN211352509U (en) | 2019-11-13 | 2019-11-13 | Wireless control LED intelligent power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956472.9U CN211352509U (en) | 2019-11-13 | 2019-11-13 | Wireless control LED intelligent power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211352509U true CN211352509U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921956472.9U Expired - Fee Related CN211352509U (en) | 2019-11-13 | 2019-11-13 | Wireless control LED intelligent power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211352509U (en) |
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2019
- 2019-11-13 CN CN201921956472.9U patent/CN211352509U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |