LED driving power supply with Internet of Things function

Abstract

The utility model relates to the technical field of illumination, in particular to an LED driving power supply with an internet of things function, which comprises a power supply, one side of the power supply is connected with a three-core wire, the other side of the power supply is connected with a two-core wire, the three-core wire is connected with a mains supply, a wireless communication module is arranged in the power supply, and the wireless communication module is connected with the mains supply. The power supply is provided with an over-current protection module, a high-voltage protection module and an EMI protection module. The LED driving power supply supporting Internet of Things communication control can set a control switch and adjust the brightness, the power and the illumination time of the lamp holder according to the use scene, greatly reduces the use of electric energy, also ensures the illumination demand, adopts cloud digital and intelligent management, reduces the operation and maintenance cost, improves the efficiency, and is suitable for popularization and application. The remote control of the LED lamp and the acquisition of data are supported, the operation condition of the lamp is known in time, the manpower cost inspection is reduced, and bad equipment can be accurately positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting, in particular to an LED driving power supply with an Internet of Things function. Background Art

[0002] LED driver power supply is a power converter that converts power supply into a specific voltage and current to drive the LED to emit light.

[0003] By using LED driver power supplies, rated voltage and current can be transmitted to power LED lamps. However, the existing traditional lighting driver power supplies can only provide 100% brightness to LED lamp heads after powering on. The brightness and output power cannot be adjusted according to the usage scenario, and energy conservation and emission reduction cannot be achieved. In addition, maintenance is done through manual inspections, which results in high maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to provide an LED driving power supply with Internet of Things function to solve the problems raised in the above background technology that the brightness and output power cannot be adjusted according to the usage scenario, energy conservation and emission reduction cannot be achieved, and maintenance is carried out through manual inspection, resulting in high maintenance costs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LED driving power supply with an Internet of Things function, comprising a power supply, one side of the power supply is connected to three core wires, the other side of the power supply is connected to two core wires, an antenna interface is provided on the surface of the power supply, the three core wires are connected to the mains, the front end of the power supply is equipped with an overcurrent protection module, a high-voltage protection module and an EMI protection module, the power supply adopts a PFC+LLC framework structure design, constant current output, an output voltage of 27-48V, which is suitable for a wide range of LED lamp holders and has high power efficiency, the output end of the EMI protection module is connected to a voltage conversion module, the EMI protection module is connected to a communication module, a main control and a sampling module through the voltage conversion module, the output ends of the communication module and the main control are connected to a comparator adjustment circuit module, and the output end of the comparator adjustment circuit module is electrically connected to the input end of the PFC+LLC module.

[0006] Preferably, the power supply has wireless communication function, sampling function and remote switching and dimming function.

[0007] Preferably, the communication part main control adopts Realtek RTL8762 Bluetooth chip as the main control, supports cellular and wireless networking capabilities, and is externally connected to a 4G cat.1 wireless communication module to achieve dual-mode communication capabilities.

[0008] Preferably, the communication module and the main control are electrically connected to the comparator adjustment circuit module through pulse width modulation (3.3V), and the duty cycle of the power supply is adjusted to achieve the dimming function.

[0009] Preferably, the voltage conversion module can convert AC220V voltage into DC12V voltage for powering the communication module, and transmit it to the communication module, main control and sampling module at 12V low voltage through the EMI protection module and the voltage conversion module.

[0010] Preferably, the driving power supply adopts a PFC+LLC architecture mode to output a 27V-48V low voltage through rectification, filtering, and isolation constant current, thereby controlling the output current size and thus controlling the brightness of the LED lamp.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The LED driver power supply that supports IoT communication control can set the brightness, power and lighting time of the lamp head according to the usage scenario, which greatly reduces the use of electricity while ensuring the lighting needs. It adopts cloud-based digital and intelligent management to reduce the cost of operation and maintenance, improve efficiency, support remote control of LED lamps and data collection, and timely know the operating status of the lamp, reduce labor cost inspections, and accurately locate defective equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the design framework of the invention of the utility model;

[0015] Figure 3 This is a schematic diagram of the EMI protection module circuit of the utility model;

[0016] Figure 4 This is a schematic diagram of the main control circuit of the utility model;

[0017] Figure 5 This is a schematic diagram of the PFC+LLC architecture circuit of the utility model. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 , an embodiment provided by the utility model:

[0020] An LED driving power supply with Internet of Things function includes a power supply, one side of the power supply is connected with three core wires, the other side of the power supply is connected with two core wires and an antenna interface, the three core wires are connected to the mains, the internal connection of the power supply is an overcurrent protection module, a high-voltage protection module and an EMI protection module, the output ends of the overcurrent protection module, the high-voltage protection module and the EMI protection module are connected to the PFC (NC2801 of ON Semiconductor) + LLC (L6599ATDTR of ST) power supply architecture, the power supply is first boosted, the power supply switching frequency is changed, the voltage is reduced through an isolation transformer, and the rectifier feedback is adjusted, and the output The constant current output and output voltage are used to power the LED. The input end of the two-core wire is electrically connected to the constant current output and output voltage modules. The other end of the communication power supply auxiliary power passes through the EMI protection module, and is connected to the communication module, the main control and the sampling module through the voltage conversion module. The output ends of the communication module and the main control are connected to the comparator adjustment circuit module. The output end of the comparator adjustment circuit module is electrically connected to the feedback adjustment input end of the PFC+LLC module. The main control of the communication part adopts Realtek RTL8762 Bluetooth chip as the main control, supports cellular and wireless networking capabilities, and an external wireless communication module 4G cat.1 realizes 4G and 2.4G simultaneous synchronous dual-mode communication capabilities, so as to achieve a better control effect of the driving power supply voltage.

[0021] Furthermore, the sampling module includes a sampling circuit and a collection coil. The sampling circuit is connected to the power input through the collection coil to collect grid parameters. The communication module and the main control are electrically connected to the comparator adjustment circuit module through PWM pulse width modulation (3.3V). The comparator adjustment circuit module can reserve 0V-10V voltage for external output. The auxiliary power supply of the communication module can convert the AC220V voltage into DC12V voltage through the voltage conversion module, and transmit it to the communication module, the main control and the sampling module for power supply. The high voltage of the mains power is transmitted through the PFC+LLC switching power supply solution. The solution chip adopts (ONSEMI's NC2801+ST's L6599) to transmit 27V-48V low voltage to power the LED. The wireless module can control the output duty cycle of the power supply through the output control power supply feedback circuit, and the current size can be used to control the brightness of the LED lamp. The brightness can be changed according to the use scenario of the LED lamp. While meeting the lighting requirements, different lighting modes can be configured to achieve energy saving and emission reduction and reduce energy use.

[0022] Working principle: The city power enters the driving power supply through three-core wires, passes through the current protection module, high-voltage protection module and EMI protection module, and the power supply changes the voltage and current output through the conversion, filtering, high-frequency conversion, and step-down circuit. According to the use scenario of the LED lamp, it is transmitted to the LED lamp through two-core wires to achieve the effect of changing its lighting brightness. Through the use of communication modules and main control, remote control can be achieved, with dual-mode communication capabilities. Under the action of the sampling module, it supports remote collection, analysis, and uploading of LED lamp power data to the cloud server, so as to know the operation status of the lamp in time, reduce labor costs for inspection, and accurately locate defective equipment to achieve the effect of rapid repair and replacement.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An LED driving power supply with Internet of Things function, comprising a power supply, characterized in that: One side of the power supply is connected to three core wires, and the other side of the power supply is connected to two core wires. An antenna interface is provided on the surface of the power supply. The three core wires are connected to the mains. The front end of the power supply is equipped with an overcurrent protection module, a high-voltage protection module and an EMI protection module. The power supply adopts PFC ON Semiconductor's NC2801+LLC ST's L6599ATDTR frame structure design, constant current output, output voltage 27-48V, suitable for a wide range of LED lamp holders, and high power supply efficiency. The output end of the EMI protection module is connected to a voltage conversion module, and the EMI protection module is connected to a communication module, a main control and a sampling module through the voltage conversion module. The output ends of the communication module and the main control are connected to a comparator adjustment circuit module, and the output end of the comparator adjustment circuit module is electrically connected to the input end of the PFC+LLC module.

2. The LED driving power supply with Internet of Things function according to claim 1, characterized in that: The power supply has wireless communication function, sampling function and remote switch and dimming function.

3. The LED driving power supply with Internet of Things function according to claim 1, characterized in that: The main control uses Realtek RTL8762 Bluetooth chip as the main control, supports cellular and wireless networking capabilities, and an external wireless communication module 4Gcat.1 to achieve dual-mode communication capabilities.

4. The LED driving power supply with Internet of Things function according to claim 1, characterized in that: The communication module and the main control are electrically connected to the comparator adjustment circuit module through pulse width modulation (3.3V), and the duty cycle of the power supply is adjusted to achieve the dimming function.

5. The LED driving power supply with Internet of Things function according to claim 1, characterized in that: The voltage conversion module can convert AC220V voltage into DC12V voltage for powering the communication module, and transmit it to the communication module, main control and sampling module at 12V low voltage through the EMI protection module and the voltage conversion module.

6. The LED driving power supply with Internet of Things function according to claim 1, characterized in that: The driving power supply adopts the PFC+LLC architecture mode to output a 27V-48V low voltage through rectification, filtering, and isolation constant current, thereby controlling the output current size and thus controlling the brightness of the LED lamp.

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