An external carrier dimming module and an internet of things lamp

Abstract

The utility model belongs to the technical field of intelligent lighting, specifically relates to a kind of external carrier wave dimming module and internet of things lamps and lanterns, external carrier wave dimming module includes control circuit, control circuit includes power module, processor, dimming circuit and carrier wave communication module, power module is connected with processor, processor is connected with dimming circuit and carrier wave communication module;Power module is used to convert the voltage that the power terminal output of the driving power supply of LED lamp is exported, and power supply is carried out to carrier wave communication module and processor;Carrier wave communication module is used to send to processor after receiving dimming command by power line;Processor is used to receive dimming command by carrier wave communication module, and send to dimming circuit;Dimming circuit is used to send to the dimming port of the driving power supply of LED lamp after dimming command is converted into dimming signal.The utility model structure is simple, and construction is convenient, and the intelligentization of existing LED lamps and lanterns can be realized quickly.

Description

Technical Field

[0001] This utility model belongs to the field of intelligent lighting technology, specifically relating to an external carrier dimming module and an Internet of Things (IoT) lamp. Background Technology

[0002] The smart lighting market is growing rapidly, but integrating traditional non-smart lights and power supplies into smart lighting systems is a complex task. Carrier communication has natural advantages in large spaces like factories and tunnels, and in long-distance scenarios, offering stability, reliability, and immunity to interference. However, applying carrier communication to smart lighting currently requires significant work. For example, integrating a carrier communication module into a traditional power supply necessitates modifications to the power circuitry, and the impact of the traditional power supply on carrier communication must be considered. Furthermore, since power supplies require certification, developing a carrier-based smart power supply demands substantial human and material resources.

[0003] Currently, there is also a carrier dimming device on the market that uses 220V AC power. This dimming device not only requires a complex AC-DC power supply module, but also needs a 220V protection module because the power supply is connected to a 220V system. This results in a large size, high cost, complex structure, low reliability, and limited feasibility.

[0004] Therefore, in order to achieve the widespread adoption of intelligent lighting systems, it is necessary to improve carrier dimming devices to realize carrier intelligent lighting systems at low cost and high efficiency. Utility Model Content

[0005] This utility model overcomes the shortcomings of the existing technology and solves the following technical problem: the existing carrier dimming device has a complex structure, high cost, large size and low reliability.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: an external carrier dimming module, including a control circuit, the control circuit including a power module, a processor, a dimming circuit and a carrier communication module, the power module being connected to the processor, and the processor being connected to the dimming circuit and the carrier communication module; The power module is used to convert the voltage output from the power terminal of the LED driver power supply and then supply power to the carrier communication module and the processor. The carrier communication module is used to receive dimming commands via the power line and then send them to the processor. The processor is used to receive dimming commands via a carrier communication module and send them to the dimming circuit; The dimming circuit is used to convert the dimming command into a dimming signal and send it to the dimming port of the LED lamp's driver power supply.

[0007] The aforementioned external carrier dimming module also includes a housing, and the control circuit is disposed inside the housing.

[0008] The housing is provided with a first port, a second port and a third port. The first port is used to connect to the power line, the second port is used to connect to the power output port of the driver power supply, and the third port is used to connect to the dimming port of the driver power supply of the LED lamp.

[0009] The power module includes a power conversion chip and peripheral circuitry. The power conversion chip is model LN5016.

[0010] The dimming signal is a 0~10V dimming signal.

[0011] The dimming circuit includes a dual-channel operational amplifier D1, resistors R33, R37, R28, R9, R27, capacitors C48 and C37, and a TVS diode F5. The first channel non-inverting input of the dual-channel operational amplifier D1 is connected to the PWM signal output of the processor. The output of the first channel is connected to the second channel non-inverting input. The output of the second channel is connected to the second channel inverting input and one end of resistor R28. The other end of resistor R28 outputs a dimming signal. One end of the TVS diode F5 is connected to the other end of resistor R28, and the other end is grounded. Capacitors C48 and C37 are connected in parallel with the TVS diode F5. One end of resistor R33 is connected to the other end of resistor R28, and the other end is grounded through resistor R76. The other end of resistor R33 is also connected to the inverting input terminal of the first channel of the dual-channel operational amplifier D1. One end of resistor R37 is connected to the other end of resistor R28, and the other end is connected to the non-inverting input terminal of the second channel of the dual-channel operational amplifier D1. The collector of transistor V3 is connected to one end of resistor R33, the base is connected to the control terminal of the processor through resistor R9, the base is also grounded through resistors R9 and R27, and the emitter is grounded.

[0012] The aforementioned external carrier dimming module also includes resistors R3 and R44, Zener diode TS16, resistors R60 and R66, capacitors C8 and C12. One end of resistor R3 is connected to the PWM signal output terminal of the processor, and the other end is connected to the first channel non-inverting input terminal of dual-channel operational amplifier D1 via resistors R60 and R66 in sequence. The cathode of Zener diode TS16 is connected to the other end of resistor R44, the anode is grounded, and the reference terminal is connected to the cathode. One end of capacitor C8 is connected to the output terminal of resistor R60, and one end of capacitor C12 is connected to the output terminal of resistor R66, while the other end is grounded.

[0013] The dual-channel operational amplifier D1 is model LM2904.

[0014] In addition, this utility model also provides an Internet of Things (IoT) lighting fixture, including an LED light, a driver power supply, and the aforementioned external carrier dimming module.

[0015] Compared with the prior art, this utility model has the following advantages: This utility model provides an external carrier dimming module and an Internet of Things (IoT) lamp, which is small in size, simple in circuit structure, easy to install on site, and easy to implement. It can integrate LED lamps into intelligent lighting systems without modifying the existing LED lamp structure, greatly reducing the cost of carrier smart lamps. It can quickly turn traditional power supplies and LED lamps into networked carrier smart lamps, promote the popularization of intelligent lighting, and has extremely high practical value and wide applicability. Attached Figure Description

[0016] Figure 1 A structural block diagram of an external carrier dimming module provided for an embodiment of this utility model; Figure 2 An external circuit connection schematic diagram of an external carrier dimming module provided for an embodiment of this utility model; Figure 3 This is a schematic diagram of the structure of an external carrier dimming module provided in an embodiment of this utility model; Figure 4 This is a circuit diagram of the power module in an embodiment of the present invention; Figure 5 This is a circuit diagram of the dimming circuit in an embodiment of the present invention; Figure 6 An architecture diagram of an intelligent lighting system formed by IoT lighting fixtures. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] Example 1

[0019] like Figures 1-2 As shown, Embodiment 1 of this utility model provides an external carrier dimming module, including a control circuit. The control circuit includes a power supply module, a processor, a dimming circuit, and a carrier communication module. The power supply module is connected to the processor, and the processor is connected to the dimming circuit and the carrier communication module. The power supply module is used to convert the voltage output from the power terminal of the LED lamp's driver power supply and then supply power to the carrier communication module and the processor. The carrier communication module is used to receive dimming commands via the power line and then send them to the processor. The processor is used to receive dimming commands via the carrier communication module and then send them to the dimming circuit. The dimming circuit is used to convert the dimming commands into dimming signals and then send them to the dimming port of the LED lamp's driver power supply.

[0020] Furthermore, such as Figure 3 As shown, an external carrier dimming module of this embodiment also includes a housing, and the control circuit is disposed inside the housing. During installation, the housing can be fixed with screws or double-sided tape.

[0021] Specifically, in this embodiment, the housing is provided with a first port, a second port and a third port. The first port is internally connected to the carrier communication module and externally used to connect the live and neutral wires of the power line. The second port is internally connected to the power module and externally used to connect to the power output port of the driving power supply. The third port is internally connected to the output terminal of the dimming circuit and externally used to connect to the dimming port of the driving power supply of the LED lamp.

[0022] Furthermore, such as Figure 4 As shown, in this embodiment, the power module includes a power conversion chip and peripheral circuitry, and the power conversion chip is model LN5016.

[0023] Furthermore, in this embodiment, the dimming signal is a 0~10V dimming signal. The power output port of the LED lamp's driver outputs a 12V DC voltage, which is converted to 3.3V by the power module within the external carrier dimming module to power the processor and the carrier communication module. The carrier communication module is used to communicate with the gateway in the system to transmit and receive information. The processor transmits and receives information through the carrier communication module. If a dimming command is received, it controls the output of the dimming circuit to control the LED power output, thereby achieving LED dimming.

[0024] The wiring method of the external carrier dimming module in this embodiment is as follows: Figure 3As shown. Select a driver power supply with a 12V power output as the LED lamp driver power supply, and connect the 12V power output of the LED lamp driver power supply to the 12V power input interface (second port, 12V and GND) of the external carrier dimming module; connect the carrier communication interface (first port, L and N) of the dimming control module to the live and neutral wires; connect the dimming circuit interface (third port, 0-10V+ and 0-10V-) of the external carrier dimming module to the dimming interface of the LED lamp.

[0025] Furthermore, such as Figure 5 As shown, in this embodiment, the dimming circuit includes a dual-channel operational amplifier D1, resistors R33, R37, R28, R9, R27, capacitors C48 and C37, and a TVS diode F5.

[0026] The first channel non-inverting input of the dual-channel operational amplifier D1 is connected to the PWM signal output of the processor. The output of the first channel is connected to the second channel non-inverting input. The output of the second channel is connected to the second channel inverting input and one end of resistor R28. The other end of resistor R28 outputs a dimming signal. One end of the TVS diode F5 is connected to the other end of resistor R28, and the other end is grounded. Capacitors C48 and C37 are connected in parallel with the TVS diode F5.

[0027] One end of resistor R33 is connected to the other end of resistor R28, and the other end is grounded through resistor R76. The other end of resistor R33 is also connected to the inverting input terminal of the first channel of the dual-channel operational amplifier D1. One end of resistor R37 is connected to the other end of resistor R28, and the other end is connected to the non-inverting input terminal of the second channel of the dual-channel operational amplifier D1.

[0028] The collector of transistor V3 is connected to one end of resistor R33, the base is connected to the control terminal of the processor through resistor R9, the base is also grounded through resistors R9 and R27, and the emitter is grounded.

[0029] Furthermore, such as Figure 5 As shown, in this embodiment, the dimming circuit further includes resistors R3 and R44, a Zener diode TS16, resistors R60 and R66, capacitors C8 and C12; one end of resistor R3 is connected to the PWM signal output terminal of the processor, and the other end is connected to the first channel non-inverting input terminal of the dual-channel operational amplifier D1 via resistors R60 and R66 in sequence; the cathode of the Zener diode TS16 is connected to the other end of resistor R44, the anode is grounded, and the reference terminal is connected to the cathode; one end of capacitor C8 is connected to the output terminal of resistor R60, one end of capacitor C12 is connected to the output terminal of resistor R66, and the other end is grounded.

[0030] Furthermore, in this embodiment, the dual-channel operational amplifier D1 is model LM2904.

[0031] Example 2

[0032] This utility model provides an Internet of Things (IoT) lighting fixture in embodiment two, which includes an LED lamp, a driver power supply for the LED lamp, and an external carrier dimming module as described in embodiment one.

[0033] In this embodiment, the LED lamp, the LED lamp driver power supply, and the external carrier dimming module of this embodiment form an Internet of Things (IoT) lighting device. The LED lamp driver power supply is a commonly used driver power supply in the prior art.

[0034] like Figure 6 The diagram illustrates the network architecture of an intelligent lighting system comprised of IoT-enabled lighting fixtures. The gateway has a built-in carrier communication module for managing the IoT fixtures. The system platform and app provide the overall system status display and user interface. The IoT fixtures communicate with the gateway via an external carrier dimming module. The gateway then connects to the system platform, thus forming the intelligent lighting system from the IoT fixtures, gateway, and system platform.

[0035] The working principle of this utility model is as follows: The external carrier dimming module includes a power supply module, a processor, a dimming circuit, and a carrier communication module. The power supply module draws power from the power terminal of the LED lamp's driver power supply and performs voltage conversion to power the carrier communication module and the processor. The processor receives the dimming command sent from the power line through the carrier communication module and sends it to the dimming circuit in the form of a PWM signal. The dimming circuit converts the PWM signal into a 0-10V voltage signal and sends it to the dimming port of the LED lamp's driver power supply. Therefore, this utility model only needs to connect the external carrier dimming module to the existing LED lamp's driver power supply to achieve remote dimming in the form of carrier communication without making any other improvements to the existing LED lamp and its driver power supply, which greatly reduces costs. Moreover, its structure is simple and easy to implement. It can also directly modify existing LED lamps to achieve grid access, which greatly reduces the amount of construction work.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. An external carrier dimming module, characterized by, It includes a control circuit, which includes a power module, a processor, a dimming circuit, and a carrier communication module. The power module is connected to the processor, and the processor is connected to the dimming circuit and the carrier communication module. The power module is used to convert the voltage output from the power terminal of the LED driver power supply and then supply power to the carrier communication module and the processor. The carrier communication module is used to receive dimming commands via the power line and then send them to the processor. The processor is used to receive dimming commands via a carrier communication module and send them to the dimming circuit; The dimming circuit is used to convert the dimming command into a dimming signal and send it to the dimming port of the LED lamp's driver power supply.

2. The external carrier dimming module of claim 1, wherein, It also includes a housing, and the control circuit is disposed inside the housing.

3. The external carrier dimming module of claim 2, wherein, The housing is provided with a first port, a second port and a third port. The first port is used to connect to the power line, the second port is used to connect to the power output port of the driver power supply, and the third port is used to connect to the dimming port of the driver power supply of the LED lamp.

4. The external carrier dimming module of claim 1, wherein, The power module includes a power conversion chip and peripheral circuitry. The power conversion chip is model LN5016.

5. The external carrier dimming module of claim 1, wherein, The dimming signal is a 0~10V dimming signal.

6. The external carrier dimming module of claim 1, wherein, The dimming circuit includes a dual-channel operational amplifier D1, resistors R33, R37, R28, R9, R27, capacitors C48 and C37, and a TVS diode F5. The first channel non-inverting input of the dual-channel operational amplifier D1 is connected to the PWM signal output of the processor. The output of the first channel is connected to the second channel non-inverting input. The output of the second channel is connected to the second channel inverting input and one end of resistor R28. The other end of resistor R28 outputs a dimming signal. One end of the TVS diode F5 is connected to the other end of resistor R28, and the other end is grounded. Capacitors C48 and C37 are connected in parallel with the TVS diode F5. One end of resistor R33 is connected to the other end of resistor R28, and the other end is grounded through resistor R76. The other end of resistor R33 is also connected to the inverting input terminal of the first channel of the dual-channel operational amplifier D1. One end of resistor R37 is connected to the other end of resistor R28, and the other end is connected to the non-inverting input terminal of the second channel of the dual-channel operational amplifier D1. The collector of transistor V3 is connected to one end of resistor R33, the base is connected to the control terminal of the processor through resistor R9, the base is also grounded through resistors R9 and R27, and the emitter is grounded.

7. An external carrier dimming module according to claim 6, characterized in that, It also includes resistors R3 and R44, Zener diode TS16, resistors R60 and R66, capacitor C8, and capacitor C12; One end of resistor R3 is connected to the PWM signal output terminal of the processor, and the other end is connected to the first channel non-inverting input terminal of dual-channel operational amplifier D1 via resistors R60 and R66 in sequence. The cathode of Zener diode TS16 is connected to the other end of resistor R44, the anode is grounded, and the reference terminal is connected to the cathode. One end of capacitor C8 is connected to the output terminal of resistor R60, and one end of capacitor C12 is connected to the output terminal of resistor R66, while the other end is grounded.

8. The external carrier dimming module of claim 6, wherein, The dual-channel operational amplifier D1 is of the type LM2904.

9. An Internet of Things light fixture, characterized by, The LED lamp, the driving power supply and the external carrier wave dimming module according to any one of claims 1-8.

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