LED lamp intelligent metering module
By designing an intelligent metering module for LED lighting fixtures, and utilizing the HLW8110 metering chip and Bluetooth module, real-time measurement and remote data transmission of LED lighting fixture circuit parameters are achieved. This solves the problem of difficulty in controlling multiple lighting fixtures through manual inspection and realizes intelligent lighting fixture management.
Patent Information
- Application Number
- CN202422993631.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The power consumption detection of existing LED lights mainly relies on manual methods, making it difficult to effectively manage multiple lights.
Design an intelligent metering module for LED lighting fixtures, comprising metering circuits and communication circuits. Utilize the HLW8110 metering chip to measure circuit parameters in real time and transmit data to the cloud or smart terminal via Bluetooth module. Combined with the lighting fixture control circuit, remote management of the lighting fixtures can be achieved.
It enables real-time measurement and remote data transmission of LED lighting circuit parameters, supports intelligent control of lighting fixtures, and improves management efficiency.
Smart Images
Figure CN223584384U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of LED lamps and lanterns, in particular to a kind of LED lamps and lanterns intelligent metering module. BACKGROUND
[0002] At present, the power consumption of LED lamps and lanterns is generally still detected and recorded manually, which is not conducive to the management and control of the lighting system with multiple LED lamps and lanterns.
[0003] In view of the above problems, it is necessary to study an LED lamps and lanterns intelligent metering module, which can realize real-time measurement of circuit parameters of LED lamps and lanterns and transmission of measurement data. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an LED lamps and lanterns intelligent metering module, which can realize real-time measurement of circuit parameters of LED lamps and lanterns and transmission of measurement data.
[0005] In order to achieve the above purpose, the solution of the utility model is as follows:
[0006] An LED lamps and lanterns intelligent metering module includes a metering circuit and a communication circuit; the metering circuit includes a metering chip U1, resistors R11, R12, R13, R14, R15, R16, R17, R18, R19, capacitors C11, C12, C13 and C14; the first end of resistor R12 and the first end of resistor R13 are connected to the first collection end V- of the metering circuit, the second end of resistor R12 and the first end of resistor R11 are grounded, the second end of resistor R11 is connected to the first end of capacitor C11 and the IAP pin of metering chip U1, the second end of resistor R13 is connected to the first end of capacitor C12 and the IAN pin of metering chip U1, the second end of capacitor C11 and the second end of capacitor C12 are grounded; the first end of resistor R14 is connected to the second collection end V+ of the metering circuit, the second end of resistor R14 is connected to the first end of resistor R19, the first end of capacitor C14 and the VP pin of metering chip U1 through resistors R15, R16, R17 and R18 in series; the VDD pin of metering chip U1 is connected to control power supply VCC, the VREF pin of metering chip U1 is grounded through capacitor C13, the GND pin of metering chip U1 is grounded, and the RX pin and TX pin of metering chip U1 are connected to the communication circuit.
[0007] The model of the metering chip U1 is HLW8110.
[0008] The LED lamps and lanterns intelligent metering module further includes a lamp control circuit, and the lamp control circuit is connected to the communication circuit.
[0009] The lamp control circuit comprises a first dimming circuit; the first dimming circuit comprises resistors R211, R212, R213, a capacitor C21 and a MOS tube Q21, a first end of the resistor R211 is connected to the communication circuit, a second end of the resistor R211 is connected to a first end of the resistor R212 and a gate of the MOS tube Q21, a second end of the resistor R212 and a source of the MOS tube Q21 are grounded, a drain of the MOS tube Q21 and a first end of the resistor R213 are connected to a dimming output end V1- of the first dimming circuit, and a second end of the resistor R213 is grounded through the capacitor C21.
[0010] The lamp control circuit further comprises a second dimming circuit; the second dimming circuit comprises resistors R221, R222, R223, a capacitor C22 and a MOS tube Q22, a first end of the resistor R221 is connected to the communication circuit, a second end of the resistor R221 is connected to a first end of the resistor R222 and a gate of the MOS tube Q22, a second end of the resistor R222 and a source of the MOS tube Q22 are grounded, a drain of the MOS tube Q22 and a first end of the resistor R223 are connected to a dimming output end V2- of the second dimming circuit, and a second end of the resistor R223 is grounded through the capacitor C22.
[0011] The communication circuit is connected to a first end of the resistor R211 and a first end of the resistor R221 through a signal enhancement circuit.
[0012] The signal enhancement circuit comprises a double buffer U2, a VCC pin of the double buffer U2 is connected to a control power supply VCC, a GND pin, a DIR pin and an OE pin of the double buffer U2 are grounded, B0 and B1 pins of the double buffer U2 are connected to the communication circuit, and the B0 and B1 pins of the double buffer U2 are connected to A0 and A1 pins of the communication circuit, respectively.
[0013] The double buffer U2 is of a type of 74HC245.
[0014] The communication circuit comprises a Bluetooth module U0, a VCC pin of the Bluetooth module U0 is connected to the control power supply VCC, a GND pin of the Bluetooth module U0 is grounded, and RX and TX pins of the Bluetooth module U0 are connected to TX and RX pins of a metering chip U1, respectively.
[0015] The LED lamp intelligent metering module further includes a power supply circuit for providing a control power supply VCC; the power supply circuit includes a capacitor C31, a capacitor C32, a capacitor C33, an inductor L31, a diode DD31, a diode DD32 and a DC-DC converter U3, the positive electrode of the diode DD31 is connected to an input end of the power supply circuit, the input end of the power supply circuit is used for accessing a driving power supply VDD, the negative electrode of the diode DD31 is connected to a VIN pin of the DC-DC converter U3, the positive electrode of the capacitor C31 and a first end of the capacitor C32, a first end of the inductor L31 and the negative electrode of the diode DD31 are connected to a SW pin of the DC-DC converter U3, a FB pin of the DC-DC converter U3, a second end of the inductor L31 and the positive electrode of the capacitor C33 are connected to an output end of the power supply circuit, the output end of the power supply circuit outputs the control power supply VCC, and a GND pin of the DC-DC converter U3, a second end of the capacitor C32, the positive electrode of the diode DD31 and the negative electrode of the capacitor C33 are grounded.
[0016] After the above scheme is adopted, the circuit parameters (such as current, voltage and power) of the LED lamp can be measured in real time through the metering circuit, and the measurement data of the metering circuit can be sent to the cloud server or the intelligent terminal through the communication circuit, so that the LED lamp can be conveniently managed and controlled. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The circuit principle diagram of the utility model. DETAILED DESCRIPTION
[0018] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.
[0019] As Figure 1 shown, the utility model discloses an LED lamp intelligent metering module, it includes metering circuit and communication circuit, metering circuit is used for real -time measurement LED lamp's circuit parameter (such as current, voltage, power), communication circuit and metering circuit electricity are connected, this communication circuit can send the measurement data of metering circuit to the cloud server or intelligent terminal.
[0020] In the embodiment of the utility model, the metering circuit includes metering chip U1, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, capacitor C11, capacitor C12, capacitor C13, capacitor C14 and capacitor C15;The model of metering chip U1 can be HLW8110, the first end of resistance R12 and the first end of resistance R13 are connected with the first collection end V- of metering circuit, the second end of resistance R12 and the first end of resistance R11 are grounded, the second end of resistance R11 is connected with the first end of capacitor C11 and the IAP pin of metering chip U1, the second end of capacitor C11 and the second end of capacitor C12 are grounded;The first end of resistance R14 is connected with the second collection end V+ of metering circuit, the second end of resistance R14 is connected with the first end of resistance R19, the first end of capacitor C14 and the VP pin of metering chip U1 through the resistance R15, resistance R16, resistance R17 and resistance R18 in series;The VDD pin of metering chip U1 is connected with control power supply VCC, the VDD pin of metering chip U1 is also grounded through capacitor C15, the VREF pin of metering chip U1 is grounded through capacitor C13, the GND pin of metering chip U1 is grounded, and the RX pin and TX pin of metering chip U1 are connected with communication circuit. Among them, the first collection end V- of metering circuit is used for connecting the negative pole of LED lamp, and the second collection end V+ of metering circuit is used for connecting the positive pole of LED lamp, and the metering circuit can measure the circuit parameters of LED lamp in real time and send to communication circuit.
[0021] In the embodiment of the utility model, the communication circuit can include Bluetooth module U0, the VCC pin of Bluetooth module U0 is connected with control power supply VCC, the GND pin of Bluetooth module U0 is grounded, and the RX pin and TX pin of Bluetooth module U0 are connected with the TX pin and RX pin of metering chip U1 respectively.
[0022] In the embodiment of the utility model, the LED lamp intelligent metering module of the utility model further includes lamp control circuit, and the lamp control circuit is connected with the communication circuit, so that the cloud server or intelligent terminal can control the LED lamp through the communication circuit and the lamp control circuit, facilitating user use and management.
[0023] In the embodiment of the utility model, the lamp control circuit can include first light modulation circuit, first light modulation circuit includes resistance R211, resistance R212, resistance R213, electric capacity C21 and MOS tube Q21, the first end of resistance R211 connects communication circuit, the second end of resistance R211 connects the first end of resistance R212 and the gate of MOS tube Q21, the second end of resistance R212 and the source of MOS tube Q21 ground, the drain of MOS tube Q21 and the first end of resistance R213 connect the light modulation output end V1- of this first light modulation circuit, the light modulation output end V1- of first light modulation circuit is used for connecting the negative pole of one light emitting unit of LED lamp, the second end of resistance R213 is grounded through electric capacity C21, communication circuit can input PWM light modulation signal to the first end of resistance R211 and control the brightness of the light emitting unit of this first light modulation circuit.
[0024] In the embodiment of the utility model, the lamp control circuit further includes second light modulation circuit, so that the two different light emitting units of LED lamp can be controlled respectively through first light modulation circuit and second light modulation circuit, and the two light emitting units can be warm color temperature light emitting unit and cold color temperature light emitting unit respectively. The structure of the second light modulation circuit is the same as that of the first light modulation circuit; specifically, the second light modulation circuit includes resistance R221, resistance R222, resistance R223, electric capacity C22 and MOS tube Q22, the first end of resistance R221 is connected to the communication circuit, the second end of resistance R221 is connected to the first end of resistance R222 and the gate of MOS tube Q22, the second end of resistance R222 and the source of MOS tube Q22 are grounded, the drain of MOS tube Q22 and the first end of resistance R223 are connected to the light modulation output end V2- of the second light modulation circuit, and the second end of resistance R223 is grounded through electric capacity C22.
[0025] In the embodiment of the utility model, the communication circuit connects the first end of resistance R211 and the first end of resistance R221 through a signal enhancement circuit, and the signal enhancement circuit can realize signal amplification to ensure that the communication circuit drives the first light modulation circuit and the second light modulation circuit. The signal enhancement circuit includes a double buffer U2, the model of the double buffer U2 can be 74HC245, the VCC pin of the double buffer U2 is connected to the control power supply VCC, the GND pin, the DIR pin and the OE pin of the double buffer U2 are grounded, the B0 pin and the B1 pin of the double buffer U2 are respectively connected to the PWM4 pin and the PWM5 pin of the Bluetooth module U0 of the communication circuit, and the B0 pin and the B1 pin of the double buffer U2 are respectively connected to the A0 pin and the A1 pin of the communication circuit, which are respectively connected to the first end of resistance R211 and the first end of resistance R221.
[0026] In the embodiment of the utility model, the LED lamp intelligent metering module of the utility model still includes the power supply circuit for providing control power supply VCC, specifically, the power supply circuit includes the capacitor C31, the capacitor C32, the capacitor C33, the inductor L31, the diode DD31, the diode DD32 and DC-DC converter U3, the model of DC-DC converter U3 can be XL1509, the positive pole of diode DD31 is connected with the input end of power supply circuit, the input end of power supply circuit is used for accessing driving power supply VDD, the LED lamp can be powered by driving power supply VDD, the negative pole of diode DD31 is connected with the VIN pin of DC-DC converter U3, the positive pole of capacitor C31 and the first end of capacitor C32, the SW pin of DC-DC converter U3 is connected with the first end of inductor L31 and the negative pole of diode DD31, the FB pin of DC-DC converter U3, the second end of inductor L31 and the positive pole of capacitor C33 are connected with the output end of power supply circuit, the output end of power supply circuit outputs control power supply VCC, the GND pin of DC-DC converter U3, the second end of capacitor C32, the positive pole of diode DD31 and the negative pole of capacitor C33 are grounded.
[0027] The above embodiment and drawing are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which should be considered as not departing from the patent scope of the utility model.
Claims
1. An intelligent metering module for LED lighting fixtures, characterized in that: Includes metering circuits and communication circuits; The metering circuit includes a metering chip U1, resistors R11, R12, R13, R14, R15, R16, R17, R18, and R19, and capacitors C11, C12, C13, and C14. The first terminals of resistors R12 and R13 are connected to the first acquisition terminal V- of the metering circuit. The second terminals of resistors R12 and R11 are grounded. The second terminal of resistor R11 is connected to the first terminal of capacitor C11 and the IAP pin of metering chip U1. The second terminal of resistor R13 is connected to the first terminal of capacitor C12 and the IAN pin of metering chip U1. The second terminals of capacitors C11 and C12 are grounded. The first terminal of resistor R14 is connected to the second acquisition terminal V+ of the metering circuit. The second terminal of resistor R14 is connected to the first terminal of resistor R19, the first terminal of capacitor C14, and the VP pin of metering chip U1 through resistors R15, R16, R17, and R18 connected in series. The VDD pin of metering chip U1 is connected to the control power supply VCC, the VREF pin of metering chip U1 is grounded through capacitor C13, the GND pin of metering chip U1 is grounded, and the RX and TX pins of metering chip U1 are connected to the communication circuit.
2. The intelligent metering module for LED lighting fixtures as described in claim 1, characterized in that: The metering chip U1 is model HLW8110.
3. The intelligent metering module for LED lighting fixtures as described in claim 1, characterized in that: It also includes a lighting control circuit, which is connected to a communication circuit.
4. The intelligent metering module for LED lighting fixtures as described in claim 3, characterized in that: The lighting control circuit includes a first dimming circuit; the first dimming circuit includes resistors R211, R212, and R213, capacitor C21, and MOSFET Q21. The first end of resistor R211 is connected to the communication circuit, the second end of resistor R211 is connected to the first end of resistor R212 and the gate of MOSFET Q21, the second end of resistor R212 and the source of MOSFET Q21 are grounded, the drain of MOSFET Q21 and the first end of resistor R213 are connected to the dimming output terminal V1- of the first dimming circuit, and the second end of resistor R213 is grounded through capacitor C21.
5. The intelligent metering module for LED lighting fixtures as described in claim 4, characterized in that: The lighting control circuit further includes a second dimming circuit; the second dimming circuit includes resistors R221, R222, and R223, capacitor C22, and MOSFET Q22. The first end of resistor R221 is connected to the communication circuit, the second end of resistor R221 is connected to the first end of resistor R222 and the gate of MOSFET Q22, the second end of resistor R222 and the source of MOSFET Q22 are grounded, the drain of MOSFET Q22 and the first end of resistor R223 are connected to the dimming output terminal V2- of the second dimming circuit, and the second end of resistor R223 is grounded through capacitor C22.
6. The intelligent metering module for LED lighting fixtures as described in claim 5, characterized in that: The communication circuit connects the first end of resistor R211 and the first end of resistor R221 through a signal enhancement circuit.
7. The intelligent metering module for LED lighting fixtures as described in claim 6, characterized in that: The signal enhancement circuit includes a dual buffer U2. The VCC pin of the dual buffer U2 is connected to the control power supply VCC. The GND, DIR, and OE pins of the dual buffer U2 are grounded. The B0 and B1 pins of the dual buffer U2 are connected to the communication circuit. The A0 and A1 pins of the dual buffer U2 are respectively connected to the first end of resistor R211 and the first end of resistor R221.
8. The intelligent metering module for LED lighting fixtures as described in claim 7, characterized in that: The dual buffer U2 is model number 74HC245.
9. The intelligent metering module for LED lighting fixtures as described in claim 1, characterized in that: The communication circuit includes a Bluetooth module U0. The VCC pin of the Bluetooth module U0 is connected to the control power supply VCC, the GND pin of the Bluetooth module U0 is grounded, and the RX and TX pins of the Bluetooth module U0 are connected to the TX and RX pins of the metering chip U1, respectively.
10. The intelligent metering module for LED lighting fixtures as described in claim 1, 6, or 9, characterized in that: It also includes a power supply circuit for providing the control power supply VCC; The power supply circuit includes capacitors C31, C32, and C33, inductor L31, diodes DD31 and DD32, and a DC-DC converter U3. The positive terminal of diode DD31 is connected to the input terminal of the power supply circuit, which is used to connect to the drive power supply VDD. The negative terminal of diode DD31 is connected to the VIN pin of the DC-DC converter U3, the positive terminal of capacitor C31, and the first terminal of capacitor C32. The SW pin of the DC-DC converter U3 is connected to the first terminal of inductor L31 and the negative terminal of diode DD31. The FB pin of the DC-DC converter U3, the second terminal of inductor L31, and the positive terminal of capacitor C33 are connected to the output terminal of the power supply circuit, which outputs the control power supply VCC. The GND pin of the DC-DC converter U3, the second terminal of capacitor C32, the positive terminal of diode DD31, and the negative terminal of capacitor C33 are grounded.