LED driving controller used for Internet of Things intelligent control

Abstract

The utility model discloses an LED driving controller used for Internet of Things intelligent control. The LED driving controller comprises an LED driving controller body and an external plugging terminal. The LED driving controller body comprises a control circuit board and a working circuit arranged on the control circuit board, and the working circuit comprises a power supply circuit, a driving circuit and a built-in RF module. The control circuit board is further provided with a plug-in terminal interface, the external plug-in terminal is provided with an external RF module, the external RF module is connected with the built-in RF module through the plug-in terminal interface, and the built-in RF module is connected with the control circuit board. The external RF module is connected with the built-in RF module through a wired transmission standard network control instruction, the built-in RF module translates information into an internal control signal instruction and sends the internal control signal instruction to the internal control circuit, and finally the standardized control of the internet of things is realized.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, and particularly relates to an LED drive controller for Internet of Things intelligent control. Background Art

[0002] The existing mainstream intelligent Internet of Things function directly adopts the power supply drive of a built-in intelligent RF module. An electrical appliance is connected to the intelligent power supply drive, and the intelligent module realizes networking, so as to realize the functions of intelligent Internet of Things and local wireless remote control.

[0003] For the above-mentioned intelligent power supply drive method, taking the lighting industry as an example, different brands have different network communication protocols and different wireless remote control protocols, which leads to the need for controller manufacturers to adopt corresponding wireless control modules for adaptation according to different brands, resulting in complexity from hardware design to software design.

[0004] Therefore, it is necessary to adopt a method of reserving a pluggable Internet of Things intelligent module interface. The drive controller decodes the control information of common brands on the market through an internal module decoding method and translates it into general control information to be given to the internal control circuit to realize the intelligent control function, and then realizes a standardized Internet of Things intelligent LED drive controller, and the underlying hardware of the controller manufacturer is unified. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide a method of reserving a pluggable Internet of Things intelligent module interface. The drive controller internally decodes the control information of common brands on the market through a decoding method and translates it into general control information to be given to the main control module to realize the intelligent control function, and realizes a standard LED drive controller for Internet of Things intelligent control.

[0006] The utility model provides an LED drive controller for Internet of Things intelligent control, which includes an LED drive controller body and an externally pluggable terminal connected by wire;

[0007] The LED drive controller body includes a control circuit board and a working circuit arranged on the control circuit board. The working circuit includes a power supply circuit, a drive circuit and a built-in RF module;

[0008] A pluggable terminal interface is also arranged on the control circuit board. The externally pluggable terminal is connected to the control circuit board through the pluggable terminal interface. The power supply circuit and the built-in RF module are respectively connected to the externally pluggable terminal. An external RF module is arranged on the externally pluggable terminal, and the externally pluggable terminal communicates through the external RF module network;

[0009] The external RF module sends standardized control instructions to the built-in RF module through the external plug-in terminals, and finally controls the operation of the drive circuit through the built-in RF module. It can meet the needs of control platforms with different communication protocols by replacing different external RF modules that have output standardized control instructions, regardless of its own network protocol.

[0010] Preferably, the power supply circuit includes an EMC and rectification circuit, a PF correction circuit, and an RF power supply circuit;

[0011] The input end of the EMC and rectification circuit is connected to the AC input port, the output end of the EMC and rectification circuit is connected to the input end of the PF correction circuit, the output end of the PF correction circuit is connected to the input end of the drive circuit, and is connected to the built-in RF module through the RF power supply circuit.

[0012] Preferably, the power supply circuit further includes an AC on-off detection circuit. The EMC and rectification circuit is connected to the built-in RF module through the AC on-off detection circuit, and the function of on-off detection is realized through the AC on-off detection circuit.

[0013] Preferably, the drive circuit is a constant current dimming drive circuit or a constant voltage dimming drive circuit.

[0014] Preferably, the output end of the RF power supply circuit is connected to the power input end of the external plug-in terminal through the plug-in terminal interface, and the RX and TX pins of the built-in RF module are connected to the RX and TX pins of the external RF module.

[0015] Preferably, the built-in RF module executes the control circuit instructions and can realize the local wireless remote control function.

[0016] The beneficial effects of the LED drive controller for Internet of Things intelligent control of the present utility model are as follows:

[0017] 1. By adopting a replaceable external RF module, the conversion needs of control platforms with different communication protocols can be met.

[0018] 2. By setting a built-in wireless module in the built-in RF module and an external RF module on the external plug-in terminal, the independence of local wireless control and Internet of Things wireless control can be realized, and the independence problem of local and Internet of Things control is solved.

[0019] 3. The external RF module does not involve the hardware bottom layer, and solves the Internet of Things OTA upgrade problem caused by the differential expression of instruction signals in the complex hardware system at the bottom layer.

[0020] 4. The controller is standardized, solving the chaos problem at the bottom layer of the controller caused by the differentiated needs of customer brands and the timeliness problem of demand docking.

[0021] 5. By using the pluggable terminal interface, voice control, infrared control, induction control, intelligent Internet of Things, etc. can all be connected for control according to the wired protocol reserved by the driver. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a flow block diagram of the LED driver controller for Internet of Things intelligent control of the present utility model;

[0023] Figure 2 is a structural schematic diagram of the LED driver controller for Internet of Things intelligent control of the present utility model;

[0024] Reference numerals in the figure: 1. Power supply circuit, 2. Built-in RF module, 3. Driver circuit, 4. External pluggable terminal, 5. AC input port, 6. Output port, 7. Controller housing, 8. Side cover, 11. EMC and rectification circuit, 12. PF correction circuit, 13. RF power supply circuit, 14. AC on-off detection circuit, 21. Pluggable terminal interface, 31. Constant current dimming drive circuit, 41. External RF module.

[0025] The realization, functional features and advantages of the object of the present utility model will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0027] Referring to Figure 1 and Figure 2 , an embodiment of the LED driver controller for Internet of Things intelligent control of the present utility model is proposed:

[0028] An LED driver controller for Internet of Things intelligent control includes an LED driver controller body and an external pluggable terminal 4.

[0029] The LED driver controller body includes a controller housing 7, a side cover 8 and a control circuit board. The front and rear sides of the controller housing 7 are open, and the AC input port 5 and the output port 6 of the control circuit board extend out from the two openings respectively. A side opening is provided on the side surface of the controller housing 7, and the pluggable terminal interface 21 on the control circuit board is arranged at the position corresponding to the side opening. The side cover 8 is covered on the side opening. When the side cover 8 is opened, the external pluggable terminal 4 can enter the controller housing 7 from the side opening and be inserted into the pluggable terminal interface 21.

[0030] The control circuit board is provided with a working circuit, and the working circuit includes a power supply circuit 1, a driving circuit 3, and a built-in RF module 2. The driving circuit 3 is a constant-current dimming driving circuit 31. The power supply circuit 1 includes an EMC and rectification circuit 11, an AC on-off detection circuit 14, a PF correction circuit 12, and an RF power supply circuit 13. The input end of the EMC and rectification circuit 11 is connected to the AC input port 5, the output end of the EMC and rectification circuit 11 is connected to the input end of the PF correction circuit 12, the output end of the PF correction circuit 12 is connected to the power input end of the constant-current dimming driving circuit 31 and is connected to the built-in RF module 2 and the external plug-in terminal 4 through the RF power supply circuit 13. The EMC and rectification circuit 11 is connected to the built-in RF module 2 through the AC on-off detection circuit 14, and the function of on-off detection is realized through the AC on-off detection circuit 14.

[0031] An external RF module 41 is provided on the external plug-in terminal 4 and is connected to the plug-in terminal interface 21. The RX and TX pins of the built-in RF module 2 are connected to the RX1 and TX1 pins of the external RF module 41. One of the output pins of the built-in RF module 2 is connected to the constant-current dimming drive 31.

[0032] When in use, the external plug-in terminal 4 corresponding to the communication protocol used by the control platform can be selected according to the needs of the customer. The external plug-in terminal 4 communicates with the platform through the external RF module 41, and the external plug-in terminal 4 can translate the received information and send it to the built-in RF module 2. The built-in RF module is provided with a built-in wireless module. After receiving the signal input by the external plug-in terminal 4, the built-in RF module 2 controls the driving circuit 3 to work or controls the built-in wireless module to distribute the information it receives through the built-in RF module 2. The status information of the built-in RF module 2 itself and the external information received can also be sent to the platform through the external plug-in terminal 4.

[0033] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present invention by the same token.

Claims

1. An LED driver controller for IoT intelligent control, characterized in that: It includes an LED drive controller body and an external plug-in terminal for wired connection; The LED driving controller body includes a control circuit board and a working circuit arranged on the control circuit board, and the working circuit includes a power supply circuit, a driving circuit and a built-in RF module; The control circuit board is also provided with a plug-in terminal interface, the external plug-in terminal is connected to the control circuit board through the plug-in terminal interface, the power supply circuit and the built-in RF module are respectively connected to the external plug-in terminal, the external plug-in terminal is provided with an external RF module, and the external plug-in terminal communicates through the external RF module network; The external RF module sends standardized control instructions to the built-in RF module through the external plug-in terminal, and finally controls the operation of the driving circuit through the built-in RF module. The needs of control platforms with different communication protocols can be met by replacing different external RF modules that output standardized control instructions, and it has nothing to do with its own network protocol.

2. The LED driver controller for IoT intelligent control according to claim 1, characterized in that: The power supply circuit includes an EMC and rectification circuit, a PF correction circuit and an RF power supply circuit; The input end of the EMC and rectification circuit is connected to the AC input port, the output end of the EMC and rectification circuit is connected to the input end of the PF correction circuit, the output end of the PF correction circuit is connected to the input end of the drive circuit and is connected to the built-in RF module through the RF power supply circuit.

3. The LED driver controller for IoT intelligent control according to claim 2, characterized in that: The power supply circuit also includes an AC on-off detection circuit, and the EMC and rectification circuit are connected to the built-in RF module through the AC on-off detection circuit, and the function of on-off power detection is realized through the AC on-off detection circuit.

4. The LED driver controller for IoT intelligent control according to claim 1, characterized in that: The driving circuit is a constant current dimming driving circuit or a constant voltage dimming driving circuit.

5. The LED drive controller for IoT intelligent control according to claim 2, characterized in that: The output end of the RF power supply circuit is connected to the power input end of the external plug-in terminal through the plug-in terminal interface, and the RX and TX pins of the built-in RF module are connected to the RX and TX pins of the external RF module.

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