Internet of Things commercial power single lamp controller based on wireless grid communication

Abstract

The utility model discloses an Internet of Things commercial power single lamp controller based on wireless grid communication, comprising a 220V commercial power supply circuit; the commercial power street lamp control circuit is electrically connected to the 220V commercial power supply circuit, and the 220V commercial power supply circuit supplies power to the commercial power street lamp control circuit so that the commercial power street lamp control circuit can be turned on or turned off; the antenna is connected to the commercial power street lamp control circuit, the antenna receives or uploads a signal to control the commercial power street lamp control circuit and the L11-K1-L9-electric energy metering chip U3 to form a voltage and current detection circuit, the electric energy metering chip U3 can accurately calculate a voltage effective value and a current effective value, and the controller calculates current and night power consumption according to the detected current and voltage. And the output power of the commercial power is adjusted through the detected current and voltage, and the street lamp has different lighting modes in multiple time periods due to the change of the output power of the commercial power, so that the energy is saved.

Description

Technical Field

[0001] The utility model relates to the technology of lamp control field, in particular to an Internet of Things mains single lamp controller based on wireless grid communication. Background Art

[0002] At present, society's demand and dependence on energy are getting higher and higher. With the rising price and consumption of resources, the proportion of energy-saving effects of products is gradually increasing. However, traditional street lamps cannot automatically adjust the lighting time and brightness according to the actual lighting needs, which causes a lot of energy waste and serious light pollution. An intelligent IoT street lamp is urgently needed to solve the above problems. Utility Model Content

[0003] In view of this, the utility model aims to address the deficiencies in the prior art, and its main purpose is to provide an Internet of Things mains single lamp controller based on wireless grid communication, which can automatically adjust the brightness of street lamps according to different time periods, automatically turn on and off street lamps, ensure sufficient brightness when there are more people and vehicles, and reduce the brightness when there are fewer people and vehicles, thereby maximizing travel lighting needs, reducing light pollution, and reducing energy consumption, thereby overcoming the shortcomings of the prior art.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: an Internet of Things mains single lamp controller based on wireless grid communication, characterized in that:

[0005] 220V mains power supply circuit;

[0006] A mains circuit lamp control circuit, the mains circuit lamp control circuit is electrically connected to a 220V mains power supply circuit, and the mains circuit lamp control circuit is powered by the 220V mains power supply circuit so that the mains circuit lamp control circuit is turned on or off;

[0007] Antenna, the antenna is connected to the mains circuit light control circuit, the antenna receives or uploads signals to control the mains circuit light control circuit;

[0008] A wireless network communication circuit, the wireless network communication circuit is electrically connected to the antenna, and the wireless network communication circuit controls the mains light control circuit via the antenna;

[0009] A dimming drive unit, the dimming drive unit is electrically connected to the mains street light control circuit, and the dimming drive unit controls the street light source.

[0010] Further, the 220V AC power supply circuit includes a center-tapped transformer L13, a first pin of the center-tapped transformer L13 is electrically connected to the circuit breaker MTC1, one end of the circuit breaker MTC1 is connected to the positive pole L of the power supply, the fifth pin is electrically connected to the negative pole N of the power supply, the seventh pin and the ninth pin are electrically connected to the first pin and the third pin of the full-bridge rectifier circuit D12 respectively, and the output voltage is adjusted by the center tap, and the 220V AC power supply circuit includes an adjustable resistor TVRP, one end of the adjustable resistor TVRP is connected to the electronic circuit between the first pin of the center-tapped transformer L13 of the circuit breaker MTC1, and the other end is connected to the electronic circuit of the negative pole N of the power supply.

[0011] Furthermore, the full-bridge rectifier circuit D12 is composed of four rectifier diodes, wherein the second pin of the full-bridge rectifier circuit D12 is electrically connected to one end of the capacitor C19, the fourth pin of the full-bridge rectifier circuit D12 is electrically connected to the other end of the capacitor C19, the other end of the capacitor C19 is grounded, and one end extends outward to form a transformer rectifier circuit, and the output voltage is 18V.

[0012] Furthermore, the mains circuit lamp control circuit also includes a voltage stabilizing chip U11, a fifth pin IN of the voltage stabilizing chip U11 is electrically connected to an 18V power supply, a second pin GND is grounded, a grounding circuit of the second pin GND is connected to a rectifier diode SS24, and the rectifier diode SS24 is connected to an electronic circuit at an output end of a sixth pin SW;

[0013] The sixth pin SW is electrically connected to one end of the inductor L4, and the other end of the inductor L4 is extended to form a step-down circuit, and the power supply voltage is 3.3V. The step-down circuit also includes a capacitor C3 connected to the first pin BST at one end, and the other end of the capacitor C3 is connected to the electronic circuit of the output end of the sixth pin SW;

[0014] And a resistor R43 and a resistor R8, one end of which is electrically connected to the fourth pin EN, the other end of the resistor R43 is connected to the input electronic circuit of the fifth pin IN, the other end of the resistor R8 is connected to the ground circuit of the second pin GND and then electrically connected to one end of the resistor R12, the other end of the resistor R12 is electrically connected to the third pin FB, and a resistor R28 is also connected to the electronic circuit of the output end of the inductor L4, and the resistor R28 is connected to the electronic circuit between the resistor R12 and the third pin FB and then electrically connected to a resistor R9, and the resistor R9 is connected to the ground circuit between the resistor R12 and the second pin GND.

[0015] Furthermore, the 220V AC power supply circuit also includes a filtering circuit, including a capacitor C4; a capacitor C21; and a capacitor C20, one end of the capacitor C4 is grounded, and the other end is connected to an electronic circuit connected to the fifth pin IN and the 18V power supply, one end of the capacitor C21 and one end of the capacitor C20 are both connected to the electronic circuit at the output end of the inductor L4, the other end of the capacitor C21 is grounded, and the other end of the capacitor C20 is connected to the ground circuit of the capacitor C21.

[0016] Furthermore, the dimming drive unit also includes a voltage and current detection circuit, including an energy metering chip U3, which has multiple pins, including a first pin VDD; a second pin V1P; a third pin V1N; a sixth pin V3P; a seventh pin GND; an eighth pin VREF; a thirteenth pin SPIEX; a fourteenth pin CLKE; a fifteenth pin PULSE1; and a sixteenth pin PULSE2.

[0017] Further, the first pin VDD is electrically connected to the resistor R5, the electronic circuit between the resistor R5 and the first pin VDD is connected to a resistor R23, one end of the resistor R23 is electrically connected to the thirteenth pin SPIEX, the resistor R5 is electrically connected to a 3.3V power supply, the electronic circuit between the resistor R5 and the first pin VDD is connected to a capacitor C24 and a capacitor C26, the capacitor C24 and the capacitor C26 are electrically connected and grounded through an extended circuit, the second pin V1P and the third pin V1N are respectively connected to a resistor R14 and a resistor R11, the second pin V1P and the resistor A capacitor C29 is electrically connected to the electronic circuit connected to R14, and one end of the capacitor C29 is grounded. A resistor R10 is electrically connected to one end of the resistor R14, and one end of the resistor R10 is grounded. A capacitor C30 is electrically connected to the electronic circuit connected to the resistor R11 and the third pin V1N, and one end of the capacitor C30 is grounded. A resistor R15 is electrically connected to one end of the resistor R15, and one end of the resistor R15 is grounded. The electronic circuits between the resistor R14 and the resistor R10 and between the resistor R11 and the resistor R15 are respectively connected to one end of the inductor L9, and the fourteenth pin CLKE is grounded.

[0018] Further, the sixth pin V3P is electrically connected to a resistor R18, and the electronic circuit connected between the resistor R18 and the sixth pin V3P is connected to a capacitor C31, one end of the capacitor C31 is grounded, one end of the resistor R18 is electrically connected to a transformer L11, and the transformer L11 has four pins, and the electronic circuit between the resistor R18 and the transformer L11 is connected to a resistor R17, one end of the resistor R17 is grounded, and the first pin of the transformer L11 is connected to the grounding circuit of the resistor R17, the second pin of the transformer L11 is electrically connected to a resistor R20, and the resistor R20 is electrically connected to a resistor R21, and the resistor R21 is electrically connected to the positive pole L of the power supply, and the third pin of the transformer L11 is electrically connected to the negative pole L of the power supply. The eighth pin VREF is electrically connected to capacitor C27 and capacitor C28, which are connected in series and grounded through an extended line. The 18V power supply is electrically connected to resistor R3, which is electrically connected to current transmitter K1. Current transmitter K1 has 6 pins, the first pin is connected to resistor R3, the sixth pin is electrically connected to transistor Q1, the third pin is electrically connected to L-OUT interface, the second pin is electrically connected to input terminal L, the electronic circuit nodes beside the first pin and the sixth pin are electrically connected to the two ends of diode D5 respectively, the second pin of transistor Q1 is grounded, the first pin is electrically connected to resistor R69, and resistor R69 is electrically connected to input signal CTRL of electric energy metering chip U3.

[0019] Further, the wireless network communication circuit includes a communication chip, a first pin RFIP of the communication chip is electrically connected to an input end of a capacitor C7, an output end of the capacitor C7 is electrically connected to one end of an inductor L7, and the other end of the inductor L7 is connected to a second pin RFIN of the communication chip, an inductor L8 is also electrically connected to the electronic circuit connecting the first pin RFIP and the second pin RFIN of the communication chip, one end of the inductor L8 is electrically connected to one end of an inductor L6, and the other end of the inductor L6 is grounded, and the other end of the inductor L8 is electrically connected to one end of the capacitor C6, and the other end of the capacitor C6 is grounded;

[0020] The third pin PA of the communication chip is electrically connected to capacitor C1, inductor L2, inductor L3, inductor L4, and inductor L5 in sequence. Inductor L5 is electrically connected to antenna input port J4-1 and antenna output port J4-2, and one end of antenna output port J4-2 is grounded. The electronic circuit between inductor L2 and inductor L3 is connected to capacitor C2, and one end of capacitor C2 is grounded. The electronic circuit between inductor L4 and inductor L5 is connected to capacitor C3, and one end of capacitor C3 is grounded. At the same time, the electronic circuit between inductor L3 and inductor L4 is connected to the wireless signal input circuit composed of the first pin RFIP and the second pin RFIN of the communication chip through a branch wiring harness.

[0021] The communication chip also includes a power supply circuit, including a capacitor C10 with one end all grounded; a capacitor C9; a capacitor C8; and a capacitor C11, wherein the other end of the capacitor C11 is electrically connected to the seventh pin DVDD of the communication chip, and the digital power supply formed by connecting the seventh pin DVDD is connected to the capacitor C10; the capacitor C9; and the other end of the capacitor C8 is connected through an extension circuit and is connected to a 3.3V power supply, the other end of the capacitor C10 is also electrically connected to one end of the inductor L1, the other end of the inductor L1 is connected to the electronic circuit connected to the third pin PA, and the other end of the capacitor C9 is also connected to the fourth pin AVDD of the communication chip; the fifth pin AGND and the sixth pin DGND of the communication chip are grounded.

[0022] Furthermore, the communication chip also includes a clock circuit, including a capacitor C4 and a capacitor C5, both of which have one end connected to ground, the other end of capacitor C4 is electrically connected to the fourteenth pin X0 of the communication chip, and the other end of capacitor C5 is electrically connected to the thirteenth pin X1 of the communication chip. The electronic circuit connected to the other ends of capacitor C4 and capacitor C5 is also connected to a crystal oscillator U1, and one end of the crystal oscillator U1 is grounded.

[0023] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that L11-K1-L9-electricity metering chip U3 constitutes a voltage and current detection circuit. The electric energy metering chip U3 can accurately calculate the effective value of voltage and the effective value of current. The controller calculates the power consumption that night based on the detected current and voltage, and adjusts the AC output power through the detected current and voltage. Due to the change of the AC output power, the street lamp has different lighting modes in multiple time periods, thereby saving energy.

[0024] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the street light control principle of an embodiment of the utility model.

[0026] Figure 2 It is a power supply circuit diagram of an embodiment of the utility model.

[0027] Figure 3 It is a transformer filter circuit diagram of an embodiment of the utility model.

[0028] Figure 4 It is a voltage and current detection circuit diagram of an embodiment of the utility model.

[0029] Figure 5 It is a circuit diagram of a wireless network communication module according to an embodiment of the utility model.

[0030] Figure 6It is a wireless mesh communication principle diagram of an embodiment of the utility model.

[0031] Figure 7 It is a schematic diagram of a street light control program of an embodiment of the utility model. DETAILED DESCRIPTION

[0032] like Figure 1 As shown, the IoT mains single lamp controller based on wireless grid communication includes a 220V mains power supply circuit, a mains street lamp control circuit, an antenna, a wireless network communication circuit and a dimming drive unit, wherein the 220V mains power supply circuit and the antenna are respectively connected to the mains street lamp control circuit, the mains street lamp control circuit is connected to the dimming drive unit, the dimming drive unit is connected to the street lamp, and the antenna is connected to the wireless network communication circuit. Figure 1 As shown, the principle of the mains power light control circuit is that the communication main control module is respectively connected with the adjustment signal output, power measurement, voltage conversion, the voltage conversion is connected with the current detection, the current detection is connected with the electronic switch, the electronic switch is connected with the mains output and the mains input, and has the following effects;

[0033] (1) The communication main control module is responsible for controller operation and external communication. (2) The communication main control module controls the electronic switch to set the street light to turn on or off. (3) The power metering part reads the current monitoring data and voltage metering power information, including voltage, current, power, power and other information. (4) The voltage conversion part converts the AC mains into a DC voltage that can be used by the module system. (5) The communication main control module controls the voltage regulation signal output part to output the required 0-10V voltage signal for the voltage regulation drive.

[0034] like Figure 2As shown, it is a 220V AC power supply circuit, including a center-tapped transformer L13, a first pin of the center-tapped transformer L13 is electrically connected to the circuit breaker MTC1, one end of the circuit breaker MTC1 is connected to the positive pole L of the power supply, the fifth pin is electrically connected to the negative pole N of the power supply, the seventh pin and the ninth pin are electrically connected to the first pin and the third pin of the full-bridge rectifier circuit D12 respectively, and the output voltage is adjusted by the center tap, and the 220V AC power supply circuit includes an adjustable resistor TVRP, one end of the adjustable resistor TVRP is connected to the first pin of the circuit breaker MTC1, and the output voltage is adjusted by the center tap. An electronic circuit between one pin and the other end of the electronic circuit connected to the negative electrode N of the power supply. The full-bridge rectifier circuit D12 is composed of four rectifier diodes, wherein the second pin of the full-bridge rectifier circuit D12 is electrically connected to one end of the capacitor C19, and the fourth pin of the full-bridge rectifier circuit D12 is electrically connected to the other end of the capacitor C19. The other end of the capacitor C19 is grounded, and one end extends outward to form a transformer rectifier circuit, and the output voltage is 18V. At this time, the city power 220V is transformed and rectified by the center-tapped transformer L13 and the full-bridge rectifier circuit D12 to output 18V voltage. The operating voltage of most single-chip microcomputer chips is between 3V-5V.

[0035] like Figure 3 As shown, the mains lamp control circuit also includes a voltage regulator chip U11, the fifth pin IN of the voltage regulator chip U11 is electrically connected to the 18V power supply, the second pin GND is grounded, the grounding circuit of the second pin GND is connected to the rectifier diode SS24, and the rectifier diode SS24 is connected to the electronic circuit of the output end of the sixth pin SW;

[0036] The sixth pin SW is electrically connected to one end of the inductor L4, and the other end of the inductor L4 is extended to form a step-down circuit, and the power supply voltage is 3.3V. The step-down circuit also includes a capacitor C3 connected to the first pin BST at one end, and the other end of the capacitor C3 is connected to the electronic circuit of the output end of the sixth pin SW;

[0037] And a resistor R43 and a resistor R8, one end of which is electrically connected to the fourth pin EN, the other end of the resistor R43 is connected to the input electronic circuit of the fifth pin IN, the other end of the resistor R8 is connected to the ground circuit of the second pin GND and then electrically connected to one end of the resistor R12, the other end of the resistor R12 is electrically connected to the third pin FB, and a resistor R28 is also connected to the electronic circuit of the output end of the inductor L4, and the resistor R28 is connected to the electronic circuit between the resistor R12 and the third pin FB and then electrically connected to a resistor R9, and the resistor R9 is connected to the ground circuit between the resistor R12 and the second pin GND. The 18V power supply is reduced to 3.3V through the D8 boost circuit composed of the voltage stabilizing chip U11, the first pin BST and the capacitor C3, and the cooperation of the inductor L4. However, the 3.3V power supply voltage is not stable. For this reason, the 220V AC power supply circuit also includes a filtering circuit, including capacitor C4; capacitor C21; capacitor C20, one end of capacitor C4 is grounded, and the other end is connected to the electronic circuit connected to the fifth pin IN and the 18V power supply, one end of capacitor C21 and capacitor C20 are both connected to the electronic circuit at the output end of inductor L4, the other end of capacitor C21 is grounded, and the other end of capacitor C20 is connected to the ground circuit of capacitor C21, and the working voltage is stabilized at 3.3V through filtering by capacitor C4, capacitor C20 and capacitor C21.

[0038] like Figure 4As shown, it is the voltage and current detection circuit.The dimming drive unit also includes a voltage and current detection circuit, including an energy metering chip U3, which includes a first pin VDD; a second pin V1P; a third pin V1N; a sixth pin V3P; a seventh pin GND; an eighth pin VREF; a thirteenth pin SPIEX; a fourteenth pin CLKE; a fifteenth pin PULSE1; and a sixteenth pin PULSE2. The first pin VDD is electrically connected to a resistor R5, and a resistor R23 is connected to the electronic circuit between the resistor R5 and the first pin VDD. One end of the resistor R23 is electrically connected to the thirteenth pin SPIEX. The resistor R5 is electrically connected to a 3.3V power supply. The electronic circuit between the resistor R5 and the first pin VDD is connected to a capacitor C24 and a capacitor C26. The second pin V1P and the third pin V1N are respectively connected to the resistor R14 and the resistor R11, the electronic circuit connecting the second pin V1P and the resistor R14 is electrically connected to the capacitor C29, one end of the capacitor C29 is grounded, one end of the resistor R14 is electrically connected to the resistor R10, one end of the resistor R10 is grounded, the electronic circuit connecting the resistor R11 and the third pin V1N is electrically connected to the capacitor C30, one end of the capacitor C30 is grounded, one end of the resistor R11 is electrically connected to the resistor R15, one end of the resistor R15 is grounded, and the electronic circuits between the resistor R14 and the resistor R10 and between the resistor R11 and the resistor R15 are electrically connected to the resistor R26, the capacitor C24 and the capacitor C26 are electrically connected and are grounded through the extended circuit, the second pin V1P and the third pin V1N are respectively connected to the resistor R14 and the resistor R11 are electrically connected to the resistor R29, one end of the capacitor C29 is grounded, one end of the resistor R14 is electrically connected to the resistor R10, and one end of the resistor R10 is grounded, and the electronic circuits between the resistor R14 and the resistor R10 and the resistor R11 and the resistor R15 are electrically connected to the resistor R26, the capacitor C24 and the capacitor C26 are electrically connected and are grounded through the extended circuit, the second pin V1P and the third pin V1N are electrically connected to the capacitor C29, one end of the capacitor C29 is grounded, the resistor R14 and the resistor R10 and the electronic circuits between the resistor R11 and the resistor R15 are electrically connected to the resistor R26, the capacitor C24 and the capacitor C26 are electrically connected and are grounded through the extended circuit, the resistor R14 and the resistor R10 and the electronic circuits between the resistor R11 and the resistor R15 are electrically connected to the resistor R26, the capacitor C24 and They are respectively connected to one end of the inductor L9, the fourteenth pin CLKE is grounded, the sixth pin V3P is electrically connected to a resistor R18, the electronic circuit connecting the resistor R18 and the sixth pin V3P is connected to a capacitor C31, one end of the capacitor C31 is grounded, one end of the resistor R18 is electrically connected to a transformer L11, the transformer L11 has four pins, the electronic circuit between the resistor R18 and the transformer L11 is connected to a resistor R17, one end of the resistor R17 is grounded, the first pin of the transformer L11 is connected to the grounding circuit of the resistor R17, the second pin of the transformer L11 is electrically connected to a resistor R20, the resistor R20 is electrically connected to a resistor R21, the resistor R21 is electrically connected to the positive pole L of the power supply, the transformer L11 The third pin is electrically connected to the negative electrode N of the power supply, the eighth pin VREF is electrically connected to capacitor C27 and capacitor C28, capacitor C27 and capacitor C28 are connected in series and grounded through an extended line, the 18V power supply is electrically connected to resistor R3, resistor R3 is electrically connected to current transmitter K1, current transmitter K1 contains 6 pins, the first pin is connected to resistor R3, the sixth pin is electrically connected to transistor Q1, the third pin is electrically connected to L-OUT interface, the second pin is electrically connected to input end L, the electronic circuit nodes next to the first pin and the sixth pin are respectively electrically connected to the two ends of diode D5, the second pin of transistor Q1 is grounded, the first pin is electrically connected to resistor R69, and resistor R69 is electrically connected to the input signal CTRL of the electric energy metering chip U3.Through the voltage and current detection circuit composed of the transformer L11 connected to the sixth pin V3P of the energy metering chip U3, the current transmitter K1 connected to the control signal CTRL in the energy metering chip U3, and the energy metering chip U3, the voltage effective value and the current effective value can be accurately calculated through the energy metering chip U3. The controller calculates the power consumption of the night based on the detected current and voltage. The user can also adjust the mains output power through the detected current and voltage.

[0039] like Figure 5 As shown, it is a wireless network communication circuit. The wireless network communication circuit includes a communication chip, a first pin RFIP of the communication chip is electrically connected to an input end of a capacitor C7, an output end of the capacitor C7 is electrically connected to one end of an inductor L7, and the other end of the inductor L7 is connected to a second pin RFIN of the communication chip, and an inductor L8 is also electrically connected to the electronic circuit connecting the first pin RFIP and the second pin RFIN of the communication chip, one end of the inductor L8 is electrically connected to one end of an inductor L6, and the other end of the inductor L6 is grounded, and the other end of the inductor L8 is electrically connected to one end of a capacitor C6, and the other end of the capacitor C6 is grounded;

[0040] The third pin PA of the communication chip is electrically connected to capacitor C1, inductor L2, inductor L3, inductor L4, and inductor L5 in sequence. Inductor L5 is electrically connected to antenna input port J4-1 and antenna output port J4-2, and one end of antenna output port J4-2 is grounded. The electronic circuit between inductor L2 and inductor L3 is connected to capacitor C2, and one end of capacitor C2 is grounded. The electronic circuit between inductor L4 and inductor L5 is connected to capacitor C3, and one end of capacitor C3 is grounded. At the same time, the electronic circuit between inductor L3 and inductor L4 is connected to the wireless signal input circuit composed of the first pin RFIP and the second pin RFIN of the communication chip through a branch wiring harness.

[0041] The communication chip also includes a power supply circuit, including a capacitor C10 with one end connected to the ground; a capacitor C9; a capacitor C8; and a capacitor C11. The other end of the capacitor C11 is electrically connected to the seventh pin DVDD of the communication chip. The digital power supply formed by connecting the seventh pin DVDD is connected to the capacitor C10; the capacitor C9; and the other end of the capacitor C8 through an extension circuit, and is connected to a 3.3V power supply. The other end of the capacitor C10 is also electrically connected to one end of the inductor L1. The other end of the inductor L1 is connected to the electronic circuit connected to the third pin PA. The other end of the capacitor C9 is also connected to the fourth pin AVDD of the communication chip. The fifth pin AGND and the sixth pin DGND of the communication chip are grounded. The communication chip also includes a clock circuit, including a capacitor C4 and a capacitor C5 with one end connected to the ground. The other end of the capacitor C4 is electrically connected to the fourteenth pin X0 of the communication chip. The other end of the capacitor C5 is electrically connected to the thirteenth pin X1 of the communication chip. The electronic circuit connected to the other ends of the capacitor C4 and the capacitor C5 is also connected to a crystal oscillator U1, and one end of the crystal oscillator U1 is grounded. Its principle is as follows: Figure 6 As shown in the figure, the program establishes a connection with the gateway according to the module process, reads the issued instructions and pushes them to the street light control program; receives the street light control instructions to upload data, and uploads it to the gateway for aggregation and forwarding, realizing the cloud communication of the Internet of Things. Street lights use wireless mesh technology to realize self-organized wireless networks between street lights, and realize ultra-long-distance communication through data relay between street lights.

[0042] like Figure 7 As shown, after the street lamp accepts the control program, the program receives the issued instructions, parses them and executes them according to the specific meaning; the program calculates the current working status of the street lamp according to the set parameters and the current clock, turns the lamp on and off and outputs the corresponding dimming voltage; the program counts the current voltage, current, electricity, power, power factor and other operating parameters, and uploads the data according to the set period.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An IoT mains single lamp controller based on wireless grid communication, characterized by: include 220V mains power supply circuit; A mains circuit lamp control circuit, the mains circuit lamp control circuit is electrically connected to a 220V mains power supply circuit, and the mains circuit lamp control circuit is powered by the 220V mains power supply circuit so that the mains circuit lamp control circuit is turned on or off; Antenna, the antenna is connected to the mains circuit light control circuit, the antenna receives or uploads signals to control the mains circuit light control circuit; A wireless network communication circuit, the wireless network communication circuit is electrically connected to the antenna, and the wireless network communication circuit controls the mains light control circuit via the antenna; A dimming drive unit, the dimming drive unit is electrically connected to the mains street light control circuit, and the dimming drive unit controls the street light source; The dimming drive unit also includes a voltage and current detection circuit, including an energy metering chip U3, which has multiple pins, including a first pin VDD; a second pin V1P; a third pin V1N; a sixth pin V3P; a seventh pin GND; an eighth pin VREF; a thirteenth pin SPIEX; a fourteenth pin CLKE; a fifteenth pin PULSE1; and a sixteenth pin PULSE2.

2. According to claim 1, the IoT mains single lamp controller based on wireless grid communication is characterized by: The 220V AC power supply circuit includes a center-tapped transformer L13, a first pin of the center-tapped transformer L13 is electrically connected to the circuit breaker MTC1, one end of the circuit breaker MTC1 is connected to the positive pole L of the power supply, the fifth pin is electrically connected to the negative pole N of the power supply, the seventh pin and the ninth pin are electrically connected to the first pin and the third pin of the full-bridge rectifier circuit D12 respectively, and the output voltage is adjusted by the center tap, the 220V AC power supply circuit includes an adjustable resistor TVRP, one end of the adjustable resistor TVRP is connected to the electronic circuit between the first pin of the center-tapped transformer L13 of the circuit breaker MTC1, and the other end is connected to the electronic circuit of the negative pole N of the power supply.

3. According to claim 2, the IoT mains single lamp controller based on wireless grid communication is characterized by: The full-bridge rectifier circuit D12 is composed of four rectifier diodes, wherein the second pin of the full-bridge rectifier circuit D12 is electrically connected to one end of the capacitor C19, the fourth pin of the full-bridge rectifier circuit D12 is electrically connected to the other end of the capacitor C19, the other end of the capacitor C19 is grounded, and one end extends outward to form a transformer rectifier circuit, and the output voltage is 18V.

4. According to claim 3, the IoT mains single lamp controller based on wireless grid communication is characterized in that: The mains circuit light control circuit also includes a voltage stabilizing chip U11, a fifth pin IN of the voltage stabilizing chip U11 is electrically connected to an 18V power supply, a second pin GND is grounded, a grounding circuit of the second pin GND is connected to a rectifier diode SS24, and the rectifier diode SS24 is connected to an electronic circuit at an output end of a sixth pin SW; The sixth pin SW is electrically connected to one end of the inductor L4, and the other end of the inductor L4 is extended to form a step-down circuit, and the power supply voltage is 3.3V. The step-down circuit also includes a capacitor C3 connected to the first pin BST at one end, and the other end of the capacitor C3 is connected to the electronic circuit of the output end of the sixth pin SW; And a resistor R43 and a resistor R8, one end of which is electrically connected to the fourth pin EN, the other end of the resistor R43 is connected to the input electronic circuit of the fifth pin IN, the other end of the resistor R8 is connected to the ground circuit of the second pin GND and then electrically connected to one end of the resistor R12, the other end of the resistor R12 is electrically connected to the third pin FB, and a resistor R28 is also connected to the electronic circuit of the output end of the inductor L4, and the resistor R28 is connected to the electronic circuit between the resistor R12 and the third pin FB and then electrically connected to a resistor R9, and the resistor R9 is connected to the ground circuit between the resistor R12 and the second pin GND.

5. According to claim 4, the IoT mains single lamp controller based on wireless grid communication is characterized in that: The 220V AC power supply circuit also includes a filtering circuit, including a capacitor C4; a capacitor C21; and a capacitor C20. One end of the capacitor C4 is grounded, and the other end is connected to an electronic circuit connected to the fifth pin IN and the 18V power supply. One end of the capacitor C21 and one end of the capacitor C20 are both connected to the electronic circuit at the output end of the inductor L4. The other end of the capacitor C21 is grounded, and the other end of the capacitor C20 is connected to the grounding circuit of the capacitor C21.

6. The IoT mains single lamp controller based on wireless mesh communication according to claim 1, characterized in that: The first pin VDD is electrically connected to the resistor R5, and the electronic circuit between the resistor R5 and the first pin VDD is connected to a resistor R23, one end of the resistor R23 is electrically connected to the thirteenth pin SPIEX, the resistor R5 is electrically connected to a 3.3V power supply, the electronic circuit between the resistor R5 and the first pin VDD is connected to a capacitor C24 and a capacitor C26, the capacitor C24 and the capacitor C26 are electrically connected and grounded through an extended circuit, the second pin V1P and the third pin V1N are respectively connected to a resistor R14 and a resistor R11, the second pin V1P and the resistor R A capacitor C29 is electrically connected to the electronic circuit connected to pin 14, one end of the capacitor C29 is grounded, one end of the resistor R14 is electrically connected to the resistor R10, one end of the resistor R10 is grounded, a capacitor C30 is electrically connected to the electronic circuit connected to the resistor R11 and the third pin V1N, one end of the capacitor C30 is grounded, one end of the resistor R11 is electrically connected to the resistor R15, one end of the resistor R15 is grounded, the electronic circuits between the resistor R14 and the resistor R10 and between the resistor R11 and the resistor R15 are respectively connected to one end of the inductor L9, and the fourteenth pin CLKE is grounded.

7. The IoT mains single lamp controller based on wireless grid communication according to claim 6, characterized in that: The sixth pin V3P is electrically connected to a resistor R18, and a capacitor C31 is connected to the electronic circuit connecting the resistor R18 and the sixth pin V3P, one end of the capacitor C31 is grounded, one end of the resistor R18 is electrically connected to a transformer L11, and the transformer L11 has four pins, and a resistor R17 is connected to the electronic circuit between the resistor R18 and the transformer L11, one end of the resistor R17 is grounded, and a first pin of the transformer L11 is connected to the grounding circuit of the resistor R17, a second pin of the transformer L11 is electrically connected to a resistor R20, and the resistor R20 is electrically connected to a resistor R21, and the resistor R21 is electrically connected to the positive electrode L of the power supply, and a third pin of the transformer L11 is electrically connected to the negative electrode of the power supply. N, the eighth pin VREF is electrically connected to capacitor C27 and capacitor C28, capacitor C27 and capacitor C28 are connected in series and grounded through an extended line, the 18V power supply is electrically connected to resistor R3, resistor R3 is electrically connected to current transmitter K1, current transmitter K1 has 6 pins, the first pin is connected to resistor R3, the sixth pin is electrically connected to transistor Q1, the third pin is electrically connected to L-OUT interface, the second pin is electrically connected to input terminal L, the electronic circuit nodes next to the first pin and the sixth pin are respectively electrically connected to the two ends of diode D5, the second pin of transistor Q1 is grounded, the first pin is electrically connected to resistor R69, and resistor R69 is electrically connected to the input signal CTRL of the electric energy metering chip U3.

8. The IoT mains single lamp controller based on wireless mesh communication according to claim 1, characterized in that: The wireless network communication circuit includes a communication chip, a first pin RFIP of the communication chip is electrically connected to an input end of a capacitor C7, an output end of the capacitor C7 is electrically connected to one end of an inductor L7, and the other end of the inductor L7 is connected to a second pin RFIN of the communication chip, an inductor L8 is also electrically connected to the electronic circuit connecting the first pin RFIP and the second pin RFIN of the communication chip, one end of the inductor L8 is electrically connected to one end of an inductor L6, and the other end of the inductor L6 is grounded, and the other end of the inductor L8 is electrically connected to one end of a capacitor C6, and the other end of the capacitor C6 is grounded; The third pin PA of the communication chip is electrically connected to the capacitor C1; the inductor L2; Inductor L3; Inductor L4; Inductor L5, inductor L5 is electrically connected to antenna input port J4-1 and antenna output port J4-2, and one end of antenna output port J4-2 is grounded, capacitor C2 is connected to the electronic circuit between inductor L2 and inductor L3, one end of capacitor C2 is grounded, capacitor C3 is connected to the electronic circuit between inductor L4 and inductor L5, one end of capacitor C3 is grounded, and at the same time, the electronic circuit between inductor L3 and inductor L4 is connected to the first pin RFIP and the second pin RFIN of the communication chip through a branch harness to form a wireless signal input circuit; The communication chip also includes a power supply circuit, including a capacitor C10 with one end all grounded; a capacitor C9; a capacitor C8; and a capacitor C11, wherein the other end of the capacitor C11 is electrically connected to the seventh pin DVDD of the communication chip, and the digital power supply formed by connecting the seventh pin DVDD is connected to the capacitor C10; the capacitor C9; and the other end of the capacitor C8 is connected through an extension circuit and is connected to a 3.3V power supply, the other end of the capacitor C10 is also electrically connected to one end of the inductor L1, the other end of the inductor L1 is connected to the electronic circuit connected to the third pin PA, and the other end of the capacitor C9 is also connected to the fourth pin AVDD of the communication chip; the fifth pin AGND and the sixth pin DGND of the communication chip are grounded.

9. The IoT mains single lamp controller based on wireless mesh communication according to claim 8, characterized in that: The communication chip also includes a clock circuit, including a capacitor C4 and a capacitor C5, both of which have one end grounded, the other end of capacitor C4 is electrically connected to the fourteenth pin X0 of the communication chip, and the other end of capacitor C5 is electrically connected to the thirteenth pin X1 of the communication chip. The electronic circuit connected to the other ends of capacitor C4 and capacitor C5 is also connected to a crystal oscillator U1, and one end of the crystal oscillator U1 is grounded.

Images