CN113891519B - Intelligent LED dimming power supply, control method and system - Google Patents

Intelligent LED dimming power supply, control method and system Download PDF

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Publication number
CN113891519B
CN113891519B CN202111252656.9A CN202111252656A CN113891519B CN 113891519 B CN113891519 B CN 113891519B CN 202111252656 A CN202111252656 A CN 202111252656A CN 113891519 B CN113891519 B CN 113891519B
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China
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electrically connected
resistor
capacitor
pin
dimming
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CN113891519A (en
Inventor
肖浩如
代婷
唐茂辉
曾庆龙
陈邦文
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Shenzhen Purple Lighting Technology Co ltd
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Shenzhen Purple Lighting Technology Co ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant current

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The embodiment of the invention discloses an intelligent LED dimming power supply, a control method and a system, wherein the method is applied to the intelligent LED dimming power supply and comprises the following steps: receiving a first-system type dimming command sent by a communication server, wherein the dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value; performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command; and adjusting the brightness of a light source included in the intelligent LED dimming power supply based on the second binary dimming command. By the method, the dimming request comprising the brightness value of the client is sent to the intelligent LED dimming power supply to adjust the brightness of the light source, so that the brightness of the light source can be intelligently adjusted based on the dimming request, and further the intelligent adjustment of the brightness of the light source is realized.

Description

Intelligent LED dimming power supply, control method and system
Technical Field
The invention relates to the technical field of light source control, in particular to an intelligent LED dimming power supply, a control method and a system.
Background
The light emitting diode (Light Emitting Diode, LED) is a common lighting device, because of small size and high brightness, it is popular to people, the existing LED brightness value is fixed, one is an unadjustable LED, so that the LED is only turned on or turned off, the other is an adjustable LED with multiple brightness values, generally, by setting a key or a sliding switch, the LED is adjusted to one of the multiple brightness values, so that the LED can have multiple layers of brightness display, but in the two control modes, the adjustment of the LED is preset brightness, and the brightness value is fixed and cannot meet the dimming requirement of the user, so the LED dimming mode still needs to be improved.
Disclosure of Invention
The invention mainly aims to provide an intelligent LED dimming power supply, a control method and a system, which can solve the problem that a dimming mode in the prior art cannot meet the dimming requirement of a user.
To achieve the above object, a first aspect of the present invention provides a dimming control method, which is applied to a smart LED dimming power supply, the method comprising:
receiving a first-system type dimming command sent by a communication server, wherein the dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value;
Performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command;
and adjusting the brightness of a light source included in the intelligent LED dimming power supply based on the second binary dimming command.
In one possible implementation manner, the receiving the first-system dimming command sent by the communication server further includes:
sending a connection confirmation request to the communication server;
receiving a connection confirmation message returned by the communication server, wherein the connection confirmation message comprises connected or unconnected;
when the connection confirmation message is connected, continuing to execute the step of receiving the first-system type dimming command sent by the communication server;
and outputting unconnected prompt information when the connection confirmation message is unconnected.
In one possible implementation manner, before the step of continuously executing the first-system dimming command sent by the receiving communication server when the connection confirmation message is connected, the method further includes:
and executing an initialization operation, wherein the initialization instruction is used for recovering the intelligent LED dimming power supply to an initial state.
To achieve the above object, a second aspect of the present invention provides a dimming control device applied to a smart LED dimming power supply, the device comprising:
A command receiving module: the dimming control instruction is generated by the communication server based on a preset communication protocol and a dimming request sent by the client, and the dimming request at least comprises a brightness value;
a command analysis module: the system is used for carrying out the system conversion on the first system dimming command to obtain a second system type dimming command;
and a brightness adjusting module: for adjusting a light source brightness included in the smart LED dimming power supply based on the second binary dimming command.
To achieve the above object, a third aspect of the present invention provides a dimming control system, including: the client, the communication server and the intelligent LED dimming power supply are applied to the intelligent LED dimming power supply as in the first aspect or any one of the possible implementation manners.
In one possible implementation, the smart LED dimming power supply further includes: the LED light source comprises a power supply switch unit, a data processing unit, a constant current driving unit and an LED light source unit which are electrically connected in sequence.
To achieve the above object, a fourth aspect of the present invention provides a computer-readable storage medium storing a computer program, which when executed by a processor causes the processor to perform the steps as described in the first aspect and any one of the possible implementations.
The embodiment of the invention has the following beneficial effects:
the invention provides a dimming control method, which is applied to a smart LED dimming power supply and comprises the following steps: receiving a first-system type dimming command sent by a communication server, wherein the dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value; performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command; and adjusting the brightness of a light source included in the intelligent LED dimming power supply based on the second binary dimming command. By the method, the dimming request comprising the brightness value of the client is sent to the intelligent LED dimming power supply to adjust the brightness of the light source, so that the brightness of the light source can be intelligently adjusted based on the dimming request, and further the intelligent adjustment of the brightness of the light source is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
fig. 1 is a schematic structural diagram of a dimming control system according to an embodiment of the present invention;
FIG. 2 is a flowchart of a dimming control method according to an embodiment of the present invention;
FIG. 3 is a flowchart of a dimming control method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another structure of a dimming control system according to an embodiment of the present invention;
fig. 5 is a circuit configuration diagram of a power supply switch unit according to an embodiment of the present invention;
FIG. 6 is a circuit diagram of a data processing unit according to an embodiment of the present invention;
fig. 7 is a circuit configuration diagram of a constant current driving unit and an LED light source unit according to an embodiment of the present invention;
fig. 8 is a block diagram of a dimming control device according to an embodiment of the present invention;
fig. 9 is a block diagram showing the structure of a computer device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic structural diagram of a dimming control system according to an embodiment of the present invention. Referring to fig. 1, the dimming control method is applied to a smart LED dimming power supply 130 included in a dimming control system. The dimming control system comprises a client 110, a communication server 120 and a smart LED dimming power supply 130, and the dimming control method is applied to the smart LED dimming power supply 130. The client 110, the communication server 120, and the intelligent LED dimming power supply 130 are connected through a network, and the client 110 may be specifically a desktop terminal or a mobile terminal, and the mobile terminal may be specifically at least one of a mobile phone, a tablet computer, a notebook computer, and the like. The communication server 120 may be implemented by an independent server or a server cluster formed by a plurality of servers, or may be a cloud server. The communication server 120 may be used as a home gateway to respond, verify and communicate requests or data from the client 110 and the intelligent LED dimming power supply 130. The intelligent LED dimming power supply 130 is an intelligent power supply device for lamplight. The client 110 is configured to generate a dimming request, where the dimming request includes at least a brightness value, the dimming request is configured to adjust a light source height, and the server 120 is configured to generate a dimming control instruction based on a preset communication protocol and the dimming request sent by the client 110. The smart LED dimming power supply 130 is used to perform the dimming control method described above.
Referring to fig. 2, fig. 2 is a flowchart of a dimming control method according to an embodiment of the invention, where the method shown in fig. 2 is applied to a smart LED dimming power supply 130, and the method includes the following steps:
201. receiving a first-system type dimming command sent by a communication server, wherein the dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value;
in one possible implementation, the client 110 issues a dimming request to the communication server 120; after receiving the dimming request, the communication server 120 extracts the dimming parameters included in the dimming request from the dimming request, generates a first-system type dimming command according to a preset communication protocol and the dimming parameters, and sends the generated first-system type dimming command to the intelligent LED dimming power supply 130, wherein the intelligent LED dimming power supply 130 receives the first-system type dimming command sent by the communication server 120. The preset communication protocol includes, but is not limited to WebSocket, the first binary type may be hexadecimal, and the dimming parameter may be a brightness value. The communication server, the client and the intelligent LED dimming power supply establish communication connection through a WebSocket. WebSocket is a full duplex communication protocol based on TCP, and has the advantages that a server can actively transmit data to a client, and full duplex communication between a browser and the server is realized.
202. Performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command;
further, the intelligent LED dimming power supply 130 may parse the first-system type dimming command sent by the communication server 120, and convert the first-system type dimming command sent by the communication server 120 into the second-system type dimming command. Wherein the second binary type may be binary.
203. And adjusting the brightness of a light source included in the intelligent LED dimming power supply based on the second binary dimming command.
It is understood that the smart LED dimming power supply 130 adjusts the brightness of the light source included in the smart LED dimming power supply 130 through a second-type dimming command, wherein the light source may be an LED.
The embodiment of the invention discloses a dimming control method, which is applied to an intelligent LED dimming power supply 130, and comprises the following steps: receiving a first-system type dimming command sent by the communication server 120, wherein the dimming control command is generated by the communication server 120 based on a preset communication protocol and a dimming request sent by the client 110, and the dimming request at least comprises a brightness value; performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command; the brightness of the light sources included in the smart LED dimming power supply 130 is adjusted based on the second binary dimming command. By the method, the dimming request including the brightness value of the client 110 is sent to the intelligent LED dimming power supply 130 to adjust the brightness of the light source, so that the adjustment of the brightness of the light source can be intelligently adjusted based on the dimming request, and further the intelligent adjustment of the brightness of the light source is realized.
Referring to fig. 3, fig. 3 is another flow chart of a dimming control method according to an embodiment of the present invention, where the method shown in fig. 3 is applied to the intelligent LED dimming power supply 130, before receiving a dimming command of a first system type sent by the communication server 120, it may be further determined whether each end of the dimming control system is effectively connected, so as to ensure that the command cannot be effectively transmitted due to unconnected, so the dimming control method may include the following steps:
301. sending a connection confirmation request to the communication server;
it should be noted that, the intelligent LED dimming power supply 130 may send a confirmation connection request to the communication server 120, where the confirmation connection request may be used to determine whether the intelligent LED dimming power supply 130 is effectively connected to the communication server 120, and also may be used to determine whether the client 110 is effectively connected to the communication server 120. Further, the confirm connection request may also be used to determine whether other devices in the dimming control system are actively connected to the communication server 120. The connection confirmation request may be sent by the user based on the intelligent LED dimming power supply 130, or may be sent by the user based on the client 110, or may be sent by the intelligent LED dimming power supply 130 in real time or periodically, or may be sent by the client 110 in real time or periodically, which is not limited herein.
302. Receiving a connection confirmation message returned by the communication server, wherein the connection confirmation message comprises connected or unconnected;
further, the intelligent LED dimming power supply 130 receives a connection confirmation message returned by the communication server 120, where the connection confirmation message is made based on the connection confirmation request. The connection confirmation message may be a connection relationship between the intelligent terminal and the communication server 120, or a connection relationship between the client 110 and the communication server 120.
303. When the connection confirmation message is connected, continuing to execute the step of receiving the first-system type dimming command sent by the communication server;
304. outputting unconnected prompt information when the connection confirmation message is unconnected;
it can be appreciated that when the communication server 120 is effectively connected to the intelligent LED dimming power supply 130, the connection confirmation message is connected; when the communication service end 120 is not effectively connected with the intelligent LED dimming power supply 130, the connection confirmation message is not connected, and when the connection confirmation message is connected, step 306 is continuously executed, when the connection confirmation message is not connected, the unconnected prompting message is output to the intelligent LED dimming power supply 130 to prompt timely establishment of effective connection between the communication service end 120 and the intelligent LED dimming power supply 130, and optionally, the unconnected prompting message can further comprise a connection establishment request, when the communication service end 120 returns the unconnected prompting message to the intelligent LED dimming power supply 130, the connection establishment request can be sent at the same time, and the effective connection between the communication service end 120 and the intelligent LED dimming power supply 130 is timely established, so that dimming effectiveness is ensured.
In a possible implementation manner, the connection confirmation message may also be used to reflect the effective connection situation between the client 110 and the communication server 120, and when the connection confirmation message is connected or not connected, the intelligent LED dimming power supply 130 may be replaced by the client 110 with reference to the embodiment between the communication server and the intelligent LED dimming power supply 130.
It can be understood that if the connection confirmation message reflects the effective connection condition between the communication server 120 and the intelligent LED dimming power supply 130, and the effective connection condition between the communication server 120 and the client 110; an effective connection between the communication server 120 and the intelligent LED dimming power supply 130 is required, and an effective connection between the communication server 120 and the client 110 is required, the connection confirmation message is connected, if any one of the conditions is not satisfied, the connection confirmation message is unconnected, and the unconnected prompt is output to the unconnected client 110 or the unconnected intelligent LED dimming power supply 130.
In a possible implementation manner, when the connection confirmation message is connected, before continuing to execute the step of receiving the first-system dimming command sent by the communication server 120, step 305 may further be executed, where step 305 includes:
305. Executing an initialization operation, wherein the initialization instruction is used for recovering the intelligent LED dimming power supply to an initial state;
it should be noted that, in the case of confirming that the connection is established, the smart LED dimming power supply initializes all pins and data of the hardware. The equipment is enabled to recover the initial state, and the dimming effect is ensured.
With continued reference to fig. 4, fig. 4 is another schematic diagram of a dimming control system according to an embodiment of the present invention, where the system shown in fig. 4 includes: the above dimming control method is applied to the intelligent LED dimming power supply 130, and the intelligent LED dimming power supply 130 further includes: the power supply switch unit 131, the data processing unit 132, the constant current driving unit 133, and the LED light source unit 134 are electrically connected in this order. All hardware pins and data include hardware pins and data corresponding to the power supply switch unit 131, the data processing unit 132, the constant current driving unit 133 and the LED light source unit 134.
In one possible implementation, the intelligent LED dimming power supply 130 performs an initializing operation on pins and data used by hardware, and may be executed by a programming processor of the intelligent LED dimming power supply 130, after the initializing operation, the intelligent LED dimming power supply enters a data detection mode, whether a high-low level signal exists is detected (after the intelligent LED dimming power supply 130 receives a first-level dimming command, the first-level dimming command is converted into a high-low level, that is, a second-level dimming command, and the power supply switch unit 131 is controlled to perform high-low level output), after the programming processor detects the high-low level signal, the high-low level signal is recorded, and the corresponding dimming command is executed by processing the high-low level signal.
306. Receiving a first-system type dimming command sent by a communication server, wherein the dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value;
it should be noted that, the content of step 306 is similar to that of step 201 shown in fig. 2, and repetition is not avoided, and reference may be made to the content of step 201.
307. Performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command;
308. and adjusting the brightness of a light source included in the intelligent LED dimming power supply based on the second binary dimming command.
It should be noted that, the contents of steps 307 and 308 are similar to those of steps 202 and 203 shown in fig. 2, and repetition is not avoided, and reference may be made to the contents of steps 202 and 203.
In one possible implementation, step 307 may further be: the brightness value included in the first-system type dimming command is firstly extracted, the brightness value is converted into binary data, and the second-system type dimming command is obtained by utilizing the binary data. And proceeds to step 308.
Further, please continue to refer to fig. 5, fig. 5 is a circuit configuration diagram of a power supply switch unit 131 according to an embodiment of the present invention, as shown in fig. 5, including: the power management circuit comprises a power management chip U1, a rectifier bridge DB1, an incoming line interface J1, a fuse tube FU1, a transformer T1, a plurality of piezoresistors, a plurality of thermistors, a plurality of resistors, a plurality of safety capacitors, a plurality of running capacitors, a plurality of common mode inductors, a first inductor L3, a plurality of diodes, a first switching element Q1 and a first filter circuit.
For example, please continue to refer to fig. 5, three piezoresistors in fig. 5 are the first piezoresistor ZV1, the second piezoresistor ZV2 and the third piezoresistor ZV3; one of the thermistors is a thermistor RT1; the number of the resistors is 23, namely a first resistor R2, a second resistor R1, a third resistor R41, a fourth resistor R3, a fifth resistor R8, a sixth resistor R4, a seventh resistor R5, an eighth resistor R6, a ninth resistor R9, a tenth resistor R13, an eleventh resistor R20, a twelfth resistor R10, a thirteenth resistor R11, a fourteenth resistor R7, a fifteenth resistor R12, a sixteenth resistor R14, a seventeenth resistor R16, an eighteenth resistor R15, a nineteenth resistor R17, a twentieth resistor R18, a twenty-first resistor R19, a twenty-second resistor R21 and a twenty-third resistor R22; the number of the safety capacitors is 3, namely a first safety capacitor CX1, a second safety capacitor CX2 and a third safety capacitor CY1; the number of the operation capacitors is 2, namely a first operation capacitor CB1 and a second operation capacitor CB2; the 11 capacitors are a first capacitor E1, a second capacitor C2, a third capacitor E2, a fourth capacitor C1, a fifth capacitor C4, a sixth capacitor C3, a seventh capacitor E6, an eighth capacitor C5, a ninth capacitor E3, a tenth capacitor E4 and an eleventh capacitor E5; the number of the common-mode inductors is 2, namely a first common-mode inductor L1 and a second common-mode inductor L2; the number of diodes is 6, namely a first diode D1, a second diode D2, a third diode D3, a fourth diode D6, a fifth diode D4 and a sixth diode Q2. The first filter circuit is composed of a group of resistors connected in parallel, wherein the group of resistors connected in parallel comprises RS1, RS2, RS3, RS4, RS5, RS6 and RS7 which are connected in parallel; the first switching element Q1 may be an N-type field effect transistor (MOSFET); the sixth diode Q2 is composed of two diodes with common cathodes connected in parallel. The connection relationship of the components shown in fig. 5 is as follows:
The live wire end 1 of the incoming wire interface J1 is electrically connected with one end of the fuse tube FU1, and the other end of the fuse tube FU1 is electrically connected with one end of the first piezoresistor ZV1 and one end of the second piezoresistor ZV2 respectively.
The zero line end 2 of the wire inlet interface is respectively and electrically connected with the other end of the first piezoresistor ZV1, the other end of the second piezoresistor ZV2 and one end of the first thermistor RT 1.
The other end of the first thermistor RT1 is electrically connected with a first pin 1 of the first common-mode inductor L1; the second pin 2 of the first common mode inductor L1 is electrically connected with one end of the first safety capacitor CX1 and one end of the first resistor R2 respectively; the third pin 3 of the first common mode inductor L1 is electrically connected with the other end of the first safety capacitor CX1 and one end of the second resistor R1 respectively; the other end of the second resistor R1 is electrically connected with the other end of the first resistor R1; the fourth pin 4 of the first common-mode inductor L1 is electrically connected to one end of the second varistor ZV 2.
One end of the first resistor R2 is also electrically connected with the first pin 1 of the second common-mode inductor L2; the second pin 2 of the second common mode inductor L2 is electrically connected with one end of the second safety capacitor CX2 and one end of the third piezoresistor ZV3 respectively; the third pin 3 of the second common mode inductor L2 is electrically connected with the other end of the second safety capacitor CX2 and the other end of the third piezoresistor ZV 3; the fourth pin 4 of the second common-mode inductor L2 is electrically connected to one end of the second resistor R1.
The other end of the third piezoresistor ZV3 is also electrically connected with a first pin 1 (AC) of the rectifier bridge DB 1; the second pin 2 (V+) of the rectifier bridge DB1 is electrically connected with the anode of the first diode D1 and one end of the first inductor L3; the third pin 3 (AC) of the rectifier bridge DB1 is electrically connected with one end of a third piezoresistor ZV 3; the fourth pin 4 (V-) of the rectifier bridge DB1 is electrically connected to one end of the first run capacitor CB 1.
The cathode of the first diode D1 is electrically connected with one end of the first capacitor E1 and one end of the third resistor R41 respectively; the other end of the first capacitor E1 and the other end of the third resistor R41 are electrically connected to the first ground terminal.
One end of the first running capacitor CB1 is also electrically connected with the second grounding end; the other end of the first operating capacitor CB1 is electrically connected to one end of the first inductor L3 and one end of the fourth resistor R3, respectively.
The other end of the first inductor L3 is electrically connected with the other end of the fourth resistor R3 and one end of the second running capacitor CB2 respectively; the other end of the second running capacitor CB2 is electrically connected with a third grounding end;
the other end of the first inductor L3 is further electrically connected to one end of a fifth resistor R8, and one end of the fifth resistor R8 is further electrically connected to one end of the second capacitor C2, one end of the sixth resistor R4, one end of the seventh resistor R5, and one end of the eighth resistor R6, respectively.
The other end of the fifth resistor R8 is electrically connected with one end of a ninth resistor R9, and the other end of the ninth resistor R9 is electrically connected with one end of a third capacitor E2 and one end of a tenth resistor R13 respectively; the other end of the third capacitor E2 is electrically connected to the fourth ground terminal.
The other end of the second capacitor C2, the other end of the sixth resistor R4, the other end of the seventh resistor R5 and the other end of the eighth resistor R6 are all electrically connected with one end of the eleventh resistor R20; the other end of the eleventh resistor R20 is electrically connected with the cathode of the second diode D2; the anode of the second diode D2 is electrically connected with the first pin of the transformer T1 and the drain electrode of the first switching element Q1 respectively; the other end of the eighth resistor R6 is also electrically connected to the third pin of the transformer T1.
One end of the tenth resistor R13 is also electrically connected with a third pin VDD of the power management chip U1, and the other end of the tenth resistor R13 is electrically connected with the cathode of the third diode D3; the anode of the third diode D3 is electrically connected with one end of the twelfth resistor R10 and the sixth pin of the transformer T1 respectively; the other end of the twelfth resistor R10 is electrically connected with one end of the thirteenth resistor R11 and one end of the fourth capacitor C1 respectively; one end of the fourth capacitor C1 is also electrically connected with the second pin FB of the power management chip U1; the other end of the fourth capacitor C1 and the other end of the thirteenth resistor R11 are electrically connected to the fifth ground terminal.
The first pin CompV of the power management chip U1 is electrically connected with one end of a fourteenth resistor R7, the other end of the fourteenth resistor R7 is electrically connected with one end of a fifth capacitor C4, and the seventh pin CompC of the power management chip U1 is electrically connected with one end of a sixth capacitor C3; the other end of the fifth capacitor C4, the other end of the sixth capacitor C3 and a sixth pin GND of the power management chip U1 are electrically connected with a sixth grounding end; the fifth pin DRV of the power management chip U1 is electrically connected with one end of the fifteenth resistor R12 and the cathode of the fourth diode D6 respectively; the anode of the fourth diode D6 is electrically connected with the other end of the fifteenth resistor R12; the other end of the fifteenth resistor R12 is also electrically connected with one end of the sixteenth resistor R14; the other end of the sixteenth resistor R14 is electrically connected to the gate of the first switching element Q1 and one end of the seventeenth resistor R16, respectively; the other end of the seventeenth resistor R16 is electrically connected with one end of the first filter circuit; one end of the first filter circuit is also electrically connected with the source electrode of the first switching element Q1 and one end of an eighteenth resistor R15 respectively; the other end of the eighteenth resistor R15 is electrically connected with a fourth pin CS of the power management chip U1; the other end of the first filter circuit is electrically connected with the seventh grounding end, wherein the eighth pin NA of the power management chip U1 is not connected into the circuit.
The fifth pin of the transformer T1 is electrically connected with one end of a third safety capacitor CY1, the fifth pin of the transformer T1 is also electrically connected with an eighth grounding end, and the other end of the third safety capacitor CY1 is electrically connected with a ninth grounding end LED_GND.
The seventh pin of the transformer T1 is electrically connected with the anode of the fifth diode D4; the cathode of the fifth diode D4 is electrically connected to one end of the seventh capacitor E6 and the first power supply voltage end (+12v), respectively; the other end of the seventh capacitor E6 is electrically connected to the ninth pin of the transformer T1 and the tenth ground GND, respectively.
The tenth pin of the transformer T1 is electrically connected with the anode of the sixth diode Q2, the anode of the sixth diode Q2 is also electrically connected with one end of an eighth capacitor C5, and the other end of the eighth capacitor C5 is respectively electrically connected with one end of a nineteenth resistor R17 and one end of a twentieth resistor R18; the other end of the nineteenth resistor R17 and the other end of the twentieth resistor R18 are electrically connected with the cathode of the sixth diode Q2; the cathode of the sixth diode Q2 is further electrically connected to one end of the ninth capacitor E3, one end of the tenth capacitor E4, one end of the eleventh capacitor E5, one end of the twenty-first resistor R19, one end of the twenty-second resistor R21, and one end of the twenty-third resistor R22; the other end of the ninth capacitor E3, the other end of the tenth capacitor E4, the other end of the eleventh capacitor E5, the other end of the twenty-first resistor R19, the other end of the twenty-second resistor R21 and the other end of the twenty-third resistor R22 are all electrically connected with the twelfth pin of the transformer T1; one end of the twenty-first resistor R19 is also electrically connected with the second power supply voltage end VIN; the other end of the twenty-first resistor R19 is also electrically connected to the eleventh ground terminal led_gnd.
With continued reference to fig. 6, fig. 6 is a circuit diagram of a data processing unit 132 according to an embodiment of the present invention, as shown in fig. 6, including: the linear voltage stabilizer U5, the singlechip U2, the first voltage stabilizing capacitor C6, the second voltage stabilizing capacitor C7, the twenty-fourth resistor R33, the twelfth capacitor C10, the thirteenth capacitor C11, the second switching element Q4, the third switching element Q5, the twenty-fifth resistor R34 and the twenty-sixth resistor R35, wherein the second switching element Q4 and the third switching element Q5 can be NPN type triodes.
For example, please continue to refer to fig. 6, the connection relationships of the components shown in fig. 6 are as follows:
the first pin 1 (GND) of the linear voltage stabilizer U5 is electrically connected with one end of the first voltage stabilizing capacitor C6 and one end of the second voltage stabilizing capacitor C7, and the first pin of the linear voltage stabilizer, one end of the first voltage stabilizing capacitor C6 and one end of the second voltage stabilizing capacitor C7 are electrically connected with the twelfth grounding end GND; the second pin 2 (Vin) of the linear voltage stabilizer is electrically connected with the other end of the first voltage stabilizing capacitor C6; the third pin 3 (Out) of the linear voltage stabilizer is electrically connected with the other end of the second voltage stabilizing capacitor C7; the other end of the first voltage stabilizing capacitor C6 is electrically connected with the third power supply voltage end, and the other end of the second voltage stabilizing capacitor C7 is electrically connected with the fourth power supply voltage end.
The input end of the singlechip U2 is electrically connected with the output end of the power supply switch unit 131, and the output end (11 th pin PWM 0_CH1) of the singlechip is electrically connected with a third pin DIM of the constant current driving chip; one end of the twelfth capacitor C10 is electrically connected with the power supply voltage end, the ninth pin VDD of the singlechip U2 and one end of the twenty-fourth resistor R33 respectively; the other end of the twelfth capacitor C10 is electrically connected with the common ground end and a seventh pin VSS of the singlechip respectively; the other end of the twenty-fourth resistor R33 is respectively and electrically connected with a fourth pin nRESET/P0.7 and a thirteenth capacitor C11 of the singlechip; the base electrode of the second switching element Q4 is electrically connected with a fifth pin INT0 of the singlechip, the collector electrode of the second switching element is respectively electrically connected with one end of a twenty-fifth resistor R34 and the base electrode of the third switching element, and the emitter electrode of the second switching element is electrically connected with a common ground GND; the collector K1 of the third switching element is electrically connected to one end of the twenty-sixth resistor R35 and the fourth pin VDD of the constant current driving chip included in the constant current driving unit 133, the emitter of the third switching element Q5 is electrically connected to the thirteenth ground terminal GND, and the other ends of the twenty-fifth resistor R34 and the twenty-sixth resistor R35 are electrically connected to the power supply terminal (+5v).
With continued reference to fig. 7, fig. 7 is a circuit configuration diagram of a constant current driving unit 133 and an LED light source unit 134 according to an embodiment of the present invention, as shown in fig. 7, including: the constant current driving unit 133 and the LED light source unit 134.
Wherein the constant current driving unit 133 includes: the constant current driving chip U4, the seventh diode D7, the fourth switching element Q3, the twenty-seventh resistor R23, the fourteenth capacitor E7, the fifteenth capacitor C8 and the second filter circuit. The second filter circuit is composed of a group of parallel resistors, and the group of parallel resistors comprises RS8, RS9, RS10 and RS11.
For example, referring to fig. 7, the connection relationship between the components included in the constant current driving unit 133 shown in fig. 7 is as follows:
one end of the fourteenth capacitor E7 is electrically connected with one end of the twenty-seventh resistor R23 and the power supply voltage end respectively; one end of the twenty-seventh resistor R23 is also electrically connected with the cathode of the seventh diode D7; the other end of the fourteenth capacitor E7 is respectively and electrically connected with the second pin VSS of the constant current driving chip, one end of the fifteenth capacitor C8 and the fourteenth grounding end, and the other end of the fifteenth capacitor C8 is respectively and electrically connected with the fourth pin VDD of the constant current driving chip and the other end of the twenty-seventh resistor R23; the fourth pin VDD of the constant current driving chip is also electrically connected with the collector electrode of the third switching element Q5; the anode of the seventh diode D7 is electrically connected to the input terminal of the LED light source unit 134 and the drain electrode of the fourth switching element Q3, respectively; the grid electrode of the fourth switching element Q3 is electrically connected with a first pin DRV of the constant current driving chip; the source electrode of the fourth switching element Q3 is electrically connected with one end of a second filter circuit, and one end of the second filter circuit is also electrically connected with a sixth pin CS of the constant current driving chip; the other end of the second filter circuit is electrically connected with the fourteenth grounding terminal.
Wherein the LED light source unit 134 includes: the second inductor L4 and the LED light source interface J2.
For example, referring to fig. 7, the LED light source unit 134 shown in fig. 7 includes the following components connected together: the first pin of the LED light source interface is electrically connected with the fifth power supply voltage end, one end of the second inductor is electrically connected with the second pin of the LED light source interface, and the other end of the first inductor is electrically connected with the anode of the seventh diode D7 and the drain electrode of the fourth switching element Q3 respectively.
The combined image client 110 sends a dimming request, the dimming request is uploaded to the communication server 120 to obtain a first-system type dimming command, the first-system type dimming command is sent to the intelligent LED dimming power supply 130, after the intelligent LED dimming power supply 130 receives the first-system type dimming command, the first-system type dimming command is analyzed by the power supply switch module 131 to be converted into high-low level signals, then the singlechip U2 of the data processing unit 132 detects whether the high-low level signals exist at the output end of the lamp power supply, the high-low level signal acquisition times can be set through the acquisition of the high-low level signals, further the first-system type dimming command is converted into a second-system type dimming command to obtain a binary type command code, the singlechip U2 processes the coding modes, and then the constant-current driving unit 133 and the LED light source unit execute dimming functions of each code, so that the adjustment of the LED light source unit 134 is realized.
The embodiment of the invention discloses a dimming control method and a dimming control system, wherein the method is applied to an intelligent LED dimming power supply and comprises the following steps: receiving a first-system type dimming command sent by a communication server, wherein a dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value; performing the binary conversion on the first binary dimming command to obtain a second binary type dimming command; the brightness of the light source included in the smart LED dimming power supply is adjusted based on the second binary dimming command. By the method, the dimming request comprising the brightness value of the client is sent to the intelligent LED dimming power supply to adjust the brightness of the light source, so that the brightness of the light source can be intelligently adjusted based on the dimming request, and further the intelligent adjustment of the brightness of the light source is realized.
Referring to fig. 8, fig. 8 is a block diagram of a dimming control device according to the present invention, where the device shown in fig. 8 is applied to a smart LED dimming power supply, and the device includes:
command receiving module 801: the dimming control instruction is generated by the communication server based on a preset communication protocol and a dimming request sent by the client, and the dimming request at least comprises a brightness value;
Command parsing module 802: the system is used for carrying out the system conversion on the first system dimming command to obtain a second system type dimming command;
brightness adjustment module 803: for adjusting a light source brightness included in the smart LED dimming power supply based on the second binary dimming command.
It should be noted that, the functions of the modules shown in fig. 8 are similar to those shown in fig. 2, and for avoiding repetition, details are omitted herein, and reference may be made specifically to the contents shown in fig. 2.
The embodiment of the invention discloses a dimming control device, which is applied to an intelligent LED dimming power supply and comprises: a command receiving module: the system comprises a communication server, a client, a communication protocol, a first system type dimming command and a dimming control command, wherein the communication server is used for receiving the first system type dimming command sent by the communication server, the dimming control command is generated by the communication server based on a preset communication protocol and a dimming request sent by the client, and the dimming request at least comprises a brightness value; a command analysis module: the system is used for carrying out the system conversion on the first system dimming command to obtain a second system type dimming command; and a brightness adjusting module: for adjusting the brightness of a light source comprised by the smart LED dimming power supply based on the second binary dimming command. Through the module, the dimming request comprising the brightness value of the client is sent to the intelligent LED dimming power supply to adjust the brightness of the light source, so that the brightness of the light source can be intelligently adjusted based on the dimming request, and further the intelligent adjustment of the brightness of the light source is realized.
FIG. 9 illustrates an internal block diagram of a computer device in one embodiment. The computer device may specifically be a terminal or a server. As shown in fig. 9, the computer device includes a processor, a memory, and a network interface connected by a system bus. The memory includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system, and may also store a computer program that, when executed by a processor, causes the processor to implement an age identification method. The internal memory may also have stored therein a computer program which, when executed by a processor, causes the processor to perform the method described above. It will be appreciated by persons skilled in the art that the architecture shown in fig. 9 is merely a block diagram of some of the architecture relevant to the present inventive arrangements and is not limiting as to the computer device to which the present inventive arrangements are applicable, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a computer device is presented comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps as shown in any one of fig. 2 or 3.
In one embodiment, a computer-readable storage medium is provided, storing a computer program that, when executed by a processor, causes the processor to perform the steps shown in either of fig. 2 or fig. 3.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (8)

1. A dimming control system, the dimming control system comprising: the intelligent LED dimming power supply is used for executing a dimming control method;
wherein, intelligent LED dimming power supply still includes: the LED light source comprises a power supply switch unit, a data processing unit, a constant current driving unit and an LED light source unit which are electrically connected in sequence;
Wherein, the power supply switch unit includes: the power supply comprises a power supply management chip, a rectifier bridge, an incoming line interface, a fuse tube, a transformer, a plurality of piezoresistors, a plurality of thermistors, a plurality of resistors, a plurality of safety capacitors, a plurality of running capacitors, a plurality of common mode inductances, a first inductance, a plurality of diodes, a first switching element and a first filter circuit, wherein the first filter circuit is formed by connecting a plurality of resistors in parallel;
the live wire end of the incoming wire interface is electrically connected with one end of the protective tube, and the other end of the protective tube is electrically connected with one end of the first piezoresistor and one end of the second piezoresistor respectively;
the zero line end of the wire inlet interface is respectively and electrically connected with the other end of the first piezoresistor, the other end of the second piezoresistor and one end of the first thermistor;
the other end of the first thermistor is electrically connected with a first pin of the first common-mode inductor; the second pin of the first common mode inductor is electrically connected with one end of the first safety capacitor and one end of the first resistor respectively; the third pin of the first common mode inductor is respectively and electrically connected with the other end of the first safety capacitor and one end of the second resistor; the other end of the second resistor is electrically connected with the other end of the first resistor; the fourth pin of the first common mode inductor is electrically connected with one end of the second piezoresistor;
One end of the first resistor is also electrically connected with a first pin of the second common mode inductor; the second pin of the second common mode inductor is electrically connected with one end of the second safety capacitor and one end of the third piezoresistor respectively; the third pin of the second common mode inductor is electrically connected with the other end of the second safety capacitor and the other end of the third piezoresistor; the fourth pin of the second common mode inductor is electrically connected with one end of the second resistor;
the other end of the third piezoresistor is also electrically connected with a first pin of the rectifier bridge; the second pin of the rectifier bridge is electrically connected with the anode of the first diode and one end of the first inductor; the third pin of the rectifier bridge is electrically connected with one end of the third piezoresistor; the fourth pin of the rectifier bridge is electrically connected with one end of the first running capacitor;
the cathode of the first diode is electrically connected with one end of the first capacitor and one end of the third resistor respectively; the other end of the first capacitor and the other end of the third resistor are electrically connected with a first grounding end;
one end of the first operation capacitor is also electrically connected with the second grounding end; the other end of the first operation capacitor is electrically connected with one end of the first inductor and one end of the fourth resistor respectively;
The other end of the first inductor is electrically connected with the other end of the fourth resistor and one end of the second running capacitor respectively; the other end of the second running capacitor is electrically connected with a third grounding end;
the other end of the first inductor is also electrically connected with one end of a fifth resistor, and one end of the fifth resistor is also electrically connected with one end of a second capacitor, one end of a sixth resistor, one end of a seventh resistor and one end of an eighth resistor respectively;
the other end of the fifth resistor is electrically connected with one end of a ninth resistor, and the other end of the ninth resistor is electrically connected with one end of the third capacitor and one end of the tenth resistor respectively; the other end of the third capacitor is electrically connected with a fourth grounding end;
the other end of the second capacitor, the other end of the sixth resistor, the other end of the seventh resistor and the other end of the eighth resistor are all electrically connected with one end of the eleventh resistor; the other end of the eleventh resistor is electrically connected with the cathode of the second diode; the anode of the second diode is electrically connected with the first pin of the transformer and the drain electrode of the first switching element respectively; the other end of the eighth resistor is also electrically connected with a third pin of the transformer;
One end of the tenth resistor is also electrically connected with a third pin of the power management chip, and the other end of the tenth resistor is electrically connected with the cathode of the third diode; the anode of the third diode is electrically connected with one end of the twelfth resistor and the sixth pin of the transformer respectively; the other end of the twelfth resistor is electrically connected with one end of the thirteenth resistor and one end of the fourth capacitor respectively; one end of the fourth capacitor is also electrically connected with the second pin of the power management chip; the other end of the fourth capacitor and the other end of the thirteenth resistor are electrically connected with a fifth grounding end;
the first pin of the power management chip is electrically connected with one end of a fourteenth resistor, the other end of the fourteenth resistor is electrically connected with one end of a fifth capacitor, and the seventh pin of the power management chip is electrically connected with one end of a sixth capacitor; the other end of the fifth capacitor, the other end of the sixth capacitor and a sixth pin of the power management chip are electrically connected with a sixth grounding end; the fifth pin of the power management chip is electrically connected with one end of the fifteenth resistor and the cathode of the fourth diode respectively; the anode of the fourth diode is electrically connected with the other end of the fifteenth resistor; the other end of the fifteenth resistor is also electrically connected with one end of the sixteenth resistor; the other end of the sixteenth resistor is electrically connected with the grid electrode of the first switching element and one end of the seventeenth resistor respectively; the other end of the seventeenth resistor is electrically connected with one end of the first filter circuit; one end of the first filter circuit is also electrically connected with the source electrode of the first switch element and one end of the eighteenth resistor respectively; the other end of the eighteenth resistor is electrically connected with a fourth pin of the power management chip; the other end of the first filter circuit is electrically connected with a seventh grounding end;
The fifth pin of the transformer is electrically connected with one end of a third safety capacitor, the fifth pin of the transformer is also electrically connected with an eighth grounding end, and the other end of the third safety capacitor is electrically connected with a ninth grounding end;
the seventh pin of the transformer is electrically connected with the anode of the fifth diode; the cathode of the fifth diode is electrically connected with one end of the seventh capacitor and the first power supply voltage end respectively; the other end of the seventh capacitor is electrically connected with a ninth pin and a tenth grounding end of the transformer respectively;
the tenth pin of the transformer is electrically connected with the anode of a sixth diode, the anode of the sixth diode is also electrically connected with one end of an eighth capacitor, and the other end of the eighth capacitor is respectively electrically connected with one end of a nineteenth resistor and one end of a twentieth resistor; the other end of the nineteenth resistor and the other end of the twentieth resistor are electrically connected with the cathode of the sixth diode; the cathode of the sixth diode is also electrically connected with one end of the ninth capacitor, one end of the tenth capacitor, one end of the eleventh capacitor, one end of the twenty-first resistor, one end of the twenty-second resistor and one end of the twenty-third resistor; the other end of the ninth capacitor, the other end of the tenth capacitor, the other end of the eleventh capacitor, the other end of the twenty-first resistor, the other end of the twenty-second resistor and the other end of the twenty-third resistor are all electrically connected with a twelfth pin of the transformer; one end of the twenty-first resistor is also electrically connected with a second power supply voltage end; the other end of the twenty-first resistor is also electrically connected with an eleventh grounding terminal.
2. The system of claim 1, wherein the data processing unit comprises: the voltage regulator comprises a linear voltage regulator, a singlechip, a first voltage-stabilizing capacitor, a second voltage-stabilizing capacitor, a twenty-fourth resistor, a twelfth capacitor, a thirteenth capacitor, a second switching element, a third switching element, a twenty-fifth resistor and a twenty-sixth resistor;
the first pin of the linear voltage stabilizer is electrically connected with one end of the first voltage stabilizing capacitor and one end of the second voltage stabilizing capacitor, and the first pin of the linear voltage stabilizer, one end of the first voltage stabilizing capacitor and one end of the second voltage stabilizing capacitor are electrically connected with a twelfth grounding end; the second pin of the linear voltage stabilizer is electrically connected with the other end of the first voltage stabilizing capacitor; the third pin of the linear voltage stabilizer is electrically connected with the other end of the second voltage stabilizing capacitor; the other end of the first voltage stabilizing capacitor is electrically connected with a third power supply voltage end, and the other end of the second voltage stabilizing capacitor is electrically connected with a fourth power supply voltage end;
the input end of the singlechip is electrically connected with the output end of the power supply switch unit, and the output end of the singlechip is electrically connected with a third pin of a constant current driving chip included in the constant current driving unit; one end of the twelfth capacitor is electrically connected with a power supply voltage end, a ninth pin of the singlechip and one end of a twenty-fourth resistor respectively; the other end of the twelfth capacitor is electrically connected with the public ground end and the seventh pin of the singlechip respectively; the other end of the twenty-fourth resistor is electrically connected with a fourth pin and a thirteenth capacitor of the singlechip respectively; the base electrode of the second switching element is electrically connected with the fifth pin of the singlechip, the collector electrode of the second switching element is respectively electrically connected with one end of the twenty-fifth resistor and the base electrode of the third switching element, and the emitter electrode of the second switching element is electrically connected with the common ground terminal; the collector of the third switching element is electrically connected with one end of the twenty-sixth resistor and a fourth pin of a constant current driving chip included in the constant current driving unit respectively, the emitter of the third switching element is electrically connected with a thirteenth grounding end, and the other ends of the twenty-fifth resistor and the twenty-sixth resistor are electrically connected with a power supply end.
3. The system of claim 2, wherein the constant current drive unit comprises: the constant current driving chip, the seventh diode, the fourth switching element, the twenty-seventh resistor, the fourteenth capacitor, the fifteenth capacitor and the second filter circuit are connected in parallel;
one end of the fourteenth capacitor is electrically connected with one end of the twenty-seventh resistor and the power supply voltage end respectively; one end of the twenty-seventh resistor is also electrically connected with the cathode of the seventh diode; the other end of the fourteenth capacitor is electrically connected with the second pin of the constant current driving chip, one end of the fifteenth capacitor and a fourteenth grounding end respectively, and the other end of the fifteenth capacitor is electrically connected with the fourth pin of the constant current driving chip and the other end of the twenty-seventh resistor respectively; the fourth pin of the constant current driving chip is also electrically connected with the collector electrode of the third switching element; the anode of the seventh diode is electrically connected with the input end of the LED light source unit and the drain electrode of the fourth switching element respectively; the grid electrode of the fourth switching element is electrically connected with the first pin of the constant current driving chip; the source electrode of the fourth switching element is electrically connected with one end of the second filter circuit, and one end of the second filter circuit is also electrically connected with a sixth pin of the constant current driving chip; the other end of the second filter circuit is electrically connected with a fourteenth grounding end.
4. The system of claim 3, wherein the LED light source unit comprises a second inductor and an LED light source interface, a first pin of the LED light source interface is electrically connected to a fifth power supply voltage terminal, one end of the second inductor is electrically connected to a second pin of the LED light source interface, and the other end of the first inductor is electrically connected to an anode of the seventh diode and a drain of the fourth switching element, respectively.
5. A dimming control method, wherein the dimming control method is applied to the smart LED dimming power supply of the dimming control system according to any one of claims 1 to 4, the method comprising:
receiving a first-system type dimming command sent by a communication server, wherein the first-system type dimming command is generated by the communication server for a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value;
performing the binary conversion on the first-system type dimming command to obtain a second-system type dimming command;
adjusting the brightness of a light source included in the intelligent LED dimming power supply based on the second binary type dimming command.
6. The method of claim 5, wherein the receiving the first-system dimming command sent by the communication server further comprises:
Sending a connection confirmation request to the communication server;
receiving a connection confirmation message returned by the communication server, wherein the connection confirmation message comprises connected or unconnected;
when the connection confirmation message is connected, continuing to execute the step of receiving the first-system type dimming command sent by the communication server;
and outputting unconnected prompt information when the connection confirmation message is unconnected.
7. The method of claim 6, wherein when the connection confirmation message is connected, before continuing to execute the step of receiving the first-system dimming command sent by the communication server, the method further comprises:
and executing an initialization operation, wherein the initialization operation is used for recovering the intelligent LED dimming power supply to an initial state.
8. A dimming control device, characterized in that the device is applied to a smart LED dimming power supply of a dimming control system according to any one of claims 1 to 4, the device comprising:
a command receiving module: the method comprises the steps of receiving a first-system type dimming command sent by a communication server, wherein the first-system type dimming command is generated by the communication server based on a preset communication protocol and a dimming request sent by a client, and the dimming request at least comprises a brightness value;
A command analysis module: the system is used for carrying out the system conversion on the first system type dimming command to obtain a second system type dimming command;
and a brightness adjusting module: for adjusting the brightness of a light source comprised by the smart LED dimming power supply based on the second binary type dimming command.
CN202111252656.9A 2021-10-26 2021-10-26 Intelligent LED dimming power supply, control method and system Active CN113891519B (en)

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CN106875898A (en) * 2017-01-17 2017-06-20 青岛海信电器股份有限公司 Method and device, the liquid crystal display device of brightness of illumination are adjusted by backlight illumination
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