Novel internet-of-things metering intelligent control device

Abstract

The utility model provides a novel internet-of-things metering intelligent control device. The novel internet-of-things metering intelligent control device comprises an MCU, an electric energy metering module, a relay module, a 4G module, a passive buzzer, a switch button and an LED indicating lamp module. The MCU is connected with the electric energy metering module, the electric energy metering module is connected with the relay module, and the relay module is connected with the boost module; the electric energy metering module is connected with a live wire inlet end and a zero line end, and the relay module is connected with a live wire outlet end so as to be connected with an air switch in a strong current box in series. The relay module is connected with the MCU, so that the relay module switches on or switches off the live wire outlet end according to a control signal of the MCU; the 4G module is connected with the MCU, and the 4G module is in wireless connection with the remote control end. According to the invention, the electric energy metering module can monitor the current operation state of the electric appliance and the information of power utilization parameters in real time, and obtains the control signal of the remote control terminal through the 4G module, thereby achieving the remote on-off control of the power utilization equipment, and being especially suitable for the control and management of the power utilization equipment in families, office buildings, school classrooms and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent switches, in particular to an intelligent control device for Internet of Things metering. Background Art

[0002] At present, the main switch control for electrical appliances in homes, schools, and office buildings is generally located in a fixed power box. For the sake of power safety and energy conservation, when leaving for a long time, it is necessary to turn off the main switch control through the power box. However, there are cases where people forget to turn off the main switch. In this case, they need to return to the power box to turn off the main switch, which is very inconvenient to use. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide an intelligent control device for Internet of Things metering to overcome the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides an Internet of Things metering intelligent control device, including MCU, electric energy metering module, relay module, boost module, LCD driver, LCD display and 4G module; wherein, MCU is electrically connected and signal-connected with the electric energy metering module, the electric energy metering module is electrically connected and signal-connected with the relay module, and the relay module is electrically connected and signal-connected with the boost module; the electric energy metering module is respectively connected to the live wire input end and the neutral wire end, and the relay module is connected to the live wire output end, so as to be connected in series with the air switch in the high-voltage box; the relay module is electrically connected and signal-connected with the MCU, so that the relay module turns on or off the live wire output end according to the control signal of the MCU, thereby realizing the switch control of the electrical equipment; the 4G module is electrically connected and signal-connected with the MCU, and the 4G module is wirelessly connected with the remote control end, so that the MCU obtains the control signal from the remote control end through the 4G module and controls the relay module to turn on or off the live wire output end, and the remote control end obtains the current operating status of the electrical appliance from the electric energy metering module through the 4G module. The MCU is electrically connected and connected to the LCD driver through signal connections, and the LCD driver is electrically connected and connected to the LCD display screen through signal connections, so that the information of the current operating status and power usage parameters of the appliance read by the power metering module is transmitted to the LCD display screen for display; the passive buzzer is electrically connected and connected to the MCU through signal connections, so that the MCU obtains the threshold protection information of voltage, power, and temperature set from the remote control terminal through the 4G module, and the MCU automatically disconnects the live wire output end and controls the passive buzzer to alarm when the information read by the power metering module is abnormal according to the threshold protection information; the switch button is electrically connected and connected to the MCU through signal connections, so that the MCU obtains the control signal from the touch switch button and controls the relay module to turn on or off the live wire output end; the MCU is electrically connected and connected to the LED indicator module through signal connections, so that by touching the switch button, the LED indicator module lights up red, indicating voltage output, or lights up green, indicating no voltage output.

[0005] The above technical solution provides an IoT metering intelligent control device for installation in an existing high-voltage power box and connection in series after an air switch. The device can read information such as the current operating status, power, voltage, current, temperature, total power consumption, and power-off status of an electrical appliance through an energy metering module. A connection is established with a remote control terminal through a 4G module. The information read by the energy metering module can be displayed on the switch's LCD display or transmitted to the remote control terminal through the 4G module for easy viewing. The switch can be remotely controlled, with the remote control terminal sending a control signal to an MCU, which then controls a relay module to connect or disconnect the live wire output terminal, thereby remotely controlling the switching of the electrical equipment. The switch can obtain voltage, power, and temperature threshold protection information set on the remote control terminal through the 4G module. The MCU determines overload, overvoltage, and overtemperature based on the power, voltage, and temperature read by the energy metering module, thereby realizing automatic power-off and buzzer alarm functions in the event of an abnormality. A switch button provided on the switch can be used to control the relay module to be connected or disconnected by lightly touching the button. The LED indicator module can display various statuses based on the operation of the switch button.

[0006] As a further illustration of the IoT metering intelligent control device described in the present invention, preferably, the electric energy metering module includes an electric energy metering chip; wherein, the IP1 pin of the electric energy metering chip is respectively connected to one end of the seventh resistor R7 and one end of the fifth capacitor C5, and the other end of the seventh resistor R7 is respectively connected to the second pin of the third shunt J3 and the relay module; the IN1 pin of the electric energy metering chip is respectively connected to one end of the eighth resistor R8 and one end of the sixth capacitor C6, and the other end of the eighth resistor R8 is connected to the first pin of the third shunt J3; the other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are commonly connected The VP pin of the electric energy metering chip is respectively connected to one end of the fourth capacitor C4, one end of the sixth resistor R6, and one end of the fifth resistor R5. The other end of the fifth resistor R5 is connected in series with the fourth resistor R4, the third resistor R3, the second resistor R2, and one end of the first resistor R1 in sequence. The other end of the first resistor R1 is respectively connected to the neutral line terminal and one end of the varistor RV1. The other end of the varistor RV1 is connected to the live line input terminal. The VN pin of the electric energy metering chip, the other end of the fourth capacitor C4, and the other end of the sixth resistor R6 are commonly connected to the ground to realize real-time monitoring of the voltage.

[0007] Through the above technical solution, the electric energy metering module can measure the effective value of current and voltage. In addition, the electric energy metering module also measures parameters such as active power and active electric energy, as well as temperature detection and zero-crossing detection, and outputs the data to the MCU through the SPI interface.

[0008] As a further description of the utility connection metering intelligent control device, preferably, the electric energy metering module further comprises an AC-DC power module, a first pin of the AC-DC power module is connected with one end of a thermistor RT1, the other end of the thermistor RT1 is connected with the other end of a first resistor R1, a zero line end and one end of a voltage-dependent resistor RV1 respectively, a second pin of the AC-DC power module is connected with a firewire inlet end; a fifth pin of the AC-DC power module is commonly connected with one end of a transient suppression diode DZ1 and one end of an electrolytic capacitor EC1 to a 5V power supply; a sixth pin of the AC-DC power module, the other end of the transient suppression diode DZ1 and the other end of the electrolytic capacitor EC1 are commonly grounded.

[0009] Through the above technical solution, the AC-DC power module is used for converting alternating current into direct current, and providing stable power supply, circuit high-low voltage isolation and surge protection, so as to ensure safe operation of the circuit.

[0010] As a further description of the utility connection metering intelligent control device, preferably, the relay module comprises a relay drive chip and a magnetic latching relay; wherein, a VCC pin of the relay drive chip is connected with a voltage boosting module, so that the voltage boosting module raises the power supply voltage of the relay drive chip; the relay drive chip is connected with corresponding pins of the MCU through AIN pin and BIN pin respectively, so that the relay drive chip receives the control signal from the MCU; an AOUT pin of the relay drive chip is connected with a fourth pin of the magnetic latching relay, a BOUT pin of the relay drive chip is connected with a first pin of the magnetic latching relay, a second pin of the magnetic latching relay is connected with the firewire outlet end, and a third pin of the magnetic latching relay is connected with the electric energy metering module, so that the relay drive chip outputs a signal for controlling the magnetic latching relay to be turned on or turned off, and then the firewire outlet end and the electric energy metering module are kept connected or disconnected.

[0011] Through the above technical solution, the voltage boosting module raises the power supply voltage of the relay drive chip, the relay drive chip receives the control signal from the MCU through the AIN pin and the BIN pin, and outputs a signal for controlling the magnetic latching relay to be turned on or turned off through the AOUT pin and the BOUT pin, and then the firewire outlet end and the electric energy metering module are kept connected or disconnected, so as to realize switch control of the electric equipment.

[0012] As a further explanation of the IoT metering intelligent control device described in the present utility model, preferably, the boost module includes a boost chip, the IN pin and EN pin of the boost chip are commonly connected to a 5V power supply and one end of the seventeenth capacitor C17, and the GND pin of the boost chip and the other end of the seventeenth capacitor C17 are commonly grounded; the LX pin of the boost chip is respectively connected to one end of the first inductor L1 and the positive electrode of the fifth diode D5, the other end of the first inductor L1 is connected to the 5V power supply, the negative electrode of the fifth diode D5 is respectively connected to one end of the twenty-seventh resistor R27, one end of the fifteenth capacitor C15, one end of the fourth electrolytic capacitor EC4, the 12V power supply and the relay module, the other end of the twenty-seventh resistor R27 is respectively connected to the FB pin of the boost chip and one end of the twenty-eighth resistor R28, the other end of the twenty-eighth resistor R28, the other end of the fifteenth capacitor C15 and the other end of the fourth electrolytic capacitor EC4 are respectively grounded.

[0013] Through the above technical solution, the boost chip is a high-efficiency boost regulator used in general boost applications, which increases the 5V input voltage to 12V and outputs it to the relay driver chip for switching control of the relay module.

[0014] As a further explanation of the IoT metering intelligent control device described in the present invention, preferably, one pin of the passive buzzer is respectively connected to a 5V power supply and the cathode of the seventh diode D7, another pin of the passive buzzer is respectively connected to the anode of the seventh diode D7 and the collector of the first transistor Q1, the emitter of the first transistor Q1 is grounded, the base of the first transistor Q1 is connected to one end of the twenty-first resistor R21, and the other end of the twenty-first resistor R21 is connected to the corresponding pin of the MCU.

[0015] With the above technical solution, the MCU inputs a signal through the corresponding pin, controlling the first transistor Q1 to conduct, thereby controlling the passive buzzer to conduct 5V voltage input and emit a sound. The "beep" sound can be used to indicate the status of the device, such as when it is on or off or when an alarm is sounded.

[0016] As a further explanation of the IoT metering intelligent control device described in the present utility model, preferably, the third pin of the switch button is connected to one end of the seventeenth resistor R17, the other end of the seventeenth resistor R17 is connected to the corresponding pin of the MCU, the first pin of the switch button is grounded, and the second pin of the switch button is connected to the GND pin of the LED indicator module.

[0017] Through the above technical solution, by pressing the switch button, an "on" or "off" signal is output to the MCU, which then controls the relay to be powered on or off, thereby realizing the on / off control of the electrical equipment through the switch button.

[0018] As a further explanation of the IoT metering intelligent control device described in the present utility model, preferably, the VDD pin of the LED indicator light module is respectively connected to one end of the twenty-fifth capacitor C25 and one end of the twenty-second resistor R22, the other end of the twenty-fifth capacitor C25 is grounded, the other end of the twenty-second resistor R22 is connected to the 3V3 power supply, the DIN pin of the LED indicator light module is connected to one end of the sixteenth resistor R16, and the other end of the sixteenth resistor R16 is connected to the corresponding pin of the MCU.

[0019] Through the above technical solution, the LED indicator can receive signals from the MCU and the switch button through the corresponding pin input signal of the MCU and the 3V3 power supply. The LED indicator module emits different colors to display the corresponding status. The LED indicator module 10 preferably uses the WS2812B model to display various colors to indicate different statuses.

[0020] As a further explanation of the IoT metering intelligent control device described in the present invention, preferably, it also includes a shell, and a mounting groove that is engaged with the guide rail is provided on the back of the shell; a buckle that is engaged with the top surface of the guide rail is provided above the mounting groove; a sliding assembly is provided below the mounting groove, and the sliding assembly is inserted into the sliding groove. The top surface of the sliding assembly is fixedly connected to one end of the spring, and the other end of the spring is fixed in the limit groove on the back of the shell, so that the sliding assembly slides up and down along the sliding groove and clamps the bottom surface of the guide rail.

[0021] Through the above technical solution, a guide rail mounting structure is adopted on the back of the housing, which is convenient for installation and disassembly and is preferably suitable for 35mm guide rail installation.

[0022] The beneficial effects of the present invention are as follows: the present invention provides an Internet of Things metering intelligent control device, which is used to be installed in an existing high-voltage box and connected in series after the air switch. The current operating status, power, voltage, current, temperature, total power consumption, power-off and other information of the electrical appliance can be read through the electric energy metering module, and a connection is established with the remote control terminal through the 4G module. The information read by the electric energy metering module can be displayed on the LCD display of the switch, and can also be transmitted to the remote control terminal through the 4G module for easy viewing; the switch can adopt a remote control method, and the remote control terminal sends a control signal to the MCU, and then the MCU controls the relay module to turn on or off the connection with the live wire output end, thereby realizing remote control of the switch of the electrical equipment; the switch button set on the switch can realize the control of the relay module on or off by lightly touching the button; the switch can also obtain the voltage, power and temperature threshold protection information set on the remote control terminal through the 4G module. The MCU realizes automatic power off and buzzer alarm according to the power, voltage and temperature read by the electric energy metering module, which is particularly suitable for the control and management of electrical equipment in homes, office buildings, school classrooms, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of the IoT metering intelligent control device of the present utility model;

[0024] Figure 2 This is a rear view of the IoT metering intelligent control device of the present utility model;

[0025] Figure 3 This is the front view of the IoT metering intelligent control device of the present utility model;

[0026] Figure 4 This is a circuit diagram of the MCU of the present utility model;

[0027] Figure 5 This is a circuit diagram of the electric energy metering module, relay module, and boost module of the utility model;

[0028] Figure 6 This is a circuit diagram of the LCD driver of the present utility model;

[0029] Figure 7 This is a circuit diagram of the LCD display screen of the present invention;

[0030] Figure 8 This is a circuit diagram of the passive buzzer of the present utility model;

[0031] Figure 9 This is a circuit diagram of the switch button and LED indicator module of the utility model;

[0032] Figure 10 This is a circuit diagram of the 4G module of the present invention.

[0033] In the figure: MCU1, power metering module 2, power metering chip 21, AC-DC power supply module 22, relay module 3, relay driver chip 31, magnetic latching relay 32, boost module 4, LCD driver 5, LCD display 6, 4G module 7, passive buzzer 8, switch button 9, LED indicator module 10, housing 11, mounting slot 12, buckle 13, sliding assembly 14, sliding slot 15, spring 16 and limit slot 17. DETAILED DESCRIPTION

[0034] In order to further understand the structure, features and other purposes of the present invention, the preferred embodiments are described in detail with reference to the accompanying drawings. The embodiments described in the drawings are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention.

[0035] In the first embodiment of the present invention, Figure 1As shown, the utility model provides an IoT metering intelligent control device, including an MCU 1, an energy metering module 2, a relay module 3, a boost module 4, an LCD driver 5, an LCD display 6, a 4G module 7, a passive buzzer 8, a switch button 9 and an LED indicator module 10.

[0036] MCU1 is electrically and signal-connected to energy metering module 2, which is in turn electrically and signal-connected to relay module 3, which is in turn electrically and signal-connected to boost module 4. Energy metering module 2 is connected to the live and neutral wires, respectively, while relay module 3 is connected to the live wire output. These modules are connected in series with the air breakers in the power distribution box. Energy metering module 2 monitors current, voltage, real-time power, temperature, and power usage in real time.

[0037] The relay module 3 is electrically and signal-connected to the MCU 1. The relay module 3 switches on or off the live wire output terminal according to the control signal of the MCU 1, so as to realize the on / off control of the electrical equipment.

[0038] The 4G module 7 is electrically and signal-connected to the MCU1 and wirelessly connected to a remote control terminal. The remote control terminal can be a mobile phone app or WeChat mini-program. The MCU1 receives control signals from the remote control terminal through the 4G module 7, and then controls the relay module 3 to connect or disconnect the live wire output terminal, thereby achieving remote control of the electrical device.

[0039] The remote control terminal obtains information about the current operating status and power consumption parameters of the electrical appliances read from the power metering module 2 through the 4G module 7, making it convenient to remotely view the status and power consumption of the electrical equipment in real time.

[0040] MCU1 is electrically and signal-connected to LCD driver 5, which in turn is electrically and signal-connected to LCD display 6. The current operating status and power consumption parameters of the appliance, as read by energy metering module 2, are transmitted via MCU1 to LCD display 6 for display. These parameters include power, voltage, phase current, temperature, total power consumption, and power-off status.

[0041] Passive buzzer 8 is electrically and signal-connected to MCU1. MCU1 can obtain voltage, power, and temperature threshold protection information set by the remote control terminal via 4G module 7. Based on the set voltage, power, and temperature threshold protection information, MCU1 can automatically control relay module 3 to disconnect the live wire output and activate passive buzzer 8 to sound an alarm if the information read by energy metering module 2 is abnormal, thereby improving power safety.

[0042] The switch button 9 is electrically and signal connected with the MCU 1. The MCU 1 obtains the control signal from the light touch switch button 9, and then controls the relay module 3 to turn on or turn off the fire line output end, so as to realize the manual control of the electrical equipment.

[0043] The MCU 1 is electrically and signal connected with the LED indicator lamp module 10. Through the light touch switch button 9, the LED indicator lamp module 10 is bright red with voltage output, or the LED indicator lamp module 10 is bright green without voltage output, so as to realize the display function of various states. Referring to Figure 3 , the position of the LED indicator lamp module 10.

[0044] In the embodiment, the preferred model of the MCU 1 is the chip of ST17H65C, and the definition of the related pins is referred to Figure 4 . The LCD driver 5 preferably adopts the liquid crystal driving chip of the model of HT1621B, and the specific pin definition is referred to Figure 6 . The specific pin definition of the LCD display screen 6 is referred to Figure 7 . The 4G module 7 is composed of the chip of the preferred model of AIR780E, and the specific circuit connection is referred to Figure 10 .

[0045] Before being connected into the strong current box, the fire line output end of the relay module 3 is in the off state. When in use, the Internet of Things metering intelligent control device of the embodiment is connected into the air switch in the strong current box in series. When the electric energy metering module 2 normally works, the LCD display screen 6 displays whether it is in the state of pulling the switch, the remaining power consumption, the real-time power, the voltage, the current and the like. On the remote control end such as a mobile phone, a notebook computer and the like, the Internet of Things metering intelligent control device is connected, and through the APP or the WeChat applet and the like, after the connection is successful, the information on the LCD display screen 6 is synchronously displayed on the remote control end, and more information is displayed according to the setting. Through the remote control end, the control signal is sent to the Internet of Things metering intelligent control device, such as the on option, then the fire line output end of the relay module 3 is turned on, and the electric energy metering module 2 monitors the real-time power, the voltage, the current, the temperature, the power consumption and the like of the electrical equipment; such as the off option, then the fire line output end of the relay module 3 is disconnected, so as to realize the remote power-off control of the electrical equipment.

[0046] The threshold protection information of voltage, power, temperature, etc. can be set at the remote control end, and the MCU 1 obtains the above threshold protection information through the 4G module 7. When the electric energy metering module 2 monitors the current running state and the information of the electric parameter of the electric appliance in real time, the MCU 1 receives the information, and then the MCU 1 compares whether the real-time monitored voltage, power, temperature is greater than the set temperature. When the real-time monitored voltage, power, temperature is greater than the set temperature, the MCU 1 controls the relay module 3 to disconnect the firewire outlet end, and controls the passive buzzer 8 to issue an alarm, so as to realize the overload, overvoltage, and overtemperature alarm functions.

[0047] The touch switch button 9 is pressed, the firewire outlet end of the relay module 3 is turned on, the touch switch button 9 is pressed again, the firewire outlet end of the relay module 3 is disconnected, and the switch control of the electric appliance through the switch button 9 is realized. The LCD display screen 6 displays whether it is in the state of pulling the brake, and then whether the touch switch button 9 needs to be controlled for switching is judged according to the actual demand. Figure 3 , the position of the switch button 9.

[0048] In the second embodiment of the utility model, as Figure 5 shown, the electric energy metering module 2 includes an electric energy metering chip 21. The IP1 pin of the electric energy metering chip 21 is connected with one end of the seventh resistor R7 and one end of the fifth capacitor C5, respectively. The other end of the seventh resistor R7 is connected with the 2nd pin of the third shunt J3 and the relay module 3, respectively. The IN1 pin of the electric energy metering chip 21 is connected with one end of the eighth resistor R8 and one end of the sixth capacitor C6, respectively. The other end of the eighth resistor R8 is connected with the 1st pin of the third shunt J3. The other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are commonly grounded, which is used to realize the real-time monitoring of the current.

[0049] The VP pin of the electric energy metering chip 21 is connected with one end of the fourth capacitor C4, one end of the sixth resistor R6, and one end of the fifth resistor R5, respectively. The other end of the fifth resistor R5 is connected with the fourth resistor R4, the third resistor R3, the second resistor R2, and one end of the first resistor R1 in sequence. The other end of the first resistor R1 is connected with the neutral line end and one end of the voltage-dependent resistor RV1, respectively. The other end of the voltage-dependent resistor RV1 is connected with the firewire inlet end. The VN pin of the electric energy metering chip 21, the other end of the fourth capacitor C4, and the other end of the sixth resistor R6 are commonly grounded, which is used to realize the real-time monitoring of the voltage. In the embodiment, the electric energy metering module 2 is preferably a chip with the model number BL0940. As Figure 5 shown, the electric energy metering module 2 realizes the measurement of the current and voltage effective value. In addition, the electric energy metering module also measures the parameters such as active power and active energy, and detects the temperature and zero-crossing, and outputs the data to the MCU 1 through the SPI interface.

[0050] In the third embodiment of the present invention, as Figure 5 As shown, the energy metering module 2 also includes an AC-DC power supply module 22. Pin 1 of the AC-DC power supply module 22 is connected to one end of the thermistor RT1. The other end of the thermistor RT1 is respectively connected to the other end of the first resistor R1, the neutral terminal, and one end of the varistor RV1. Pin 2 of the AC-DC power supply module 22 is connected to the live wire input terminal. Pin 5 of the AC-DC power supply module 22 is respectively connected to one end of the transient suppression diode DZ1 and one end of the electrolytic capacitor EC1, and is connected to a 5V power supply. Pin 6 of the AC-DC power supply module 22, the other end of the transient suppression diode DZ1, and the other end of the electrolytic capacitor EC1 are connected to a common ground. The AC-DC power supply module 22 converts AC power into DC power, provides a stable power supply, and provides high and low voltage isolation and surge protection for the circuit, ensuring safe circuit operation.

[0051] In the fourth embodiment of the present invention, as Figure 5 As shown, the relay module 3 includes a relay driver chip 31 and a magnetic latching relay 32. The VCC pin of the relay driver chip 31 is connected to the boost module 4, so that the boost module 4 boosts the voltage of the relay driver chip 31.

[0052] The relay driver chip 31 is connected to corresponding pins of the MCU1 through the AIN pin and the BIN pin, so that the relay driver chip 31 receives a control signal from the MCU1 .

[0053] The AOUT pin of the relay driver chip 31 is connected to the 4th pin of the magnetic latching relay 32, the BOUT pin of the relay driver chip 31 is connected to the 1st pin of the magnetic latching relay 32, the 2nd pin of the magnetic latching relay 32 is connected to the live wire output terminal, and the 3rd pin of the magnetic latching relay 32 is connected to the energy metering module 2. This allows the relay driver chip 31 to output a signal to control the on / off conduction of the magnetic latching relay 32, thereby maintaining the connection or disconnection between the live wire output terminal and the energy metering module 2. The use of the magnetic latching relay 32 ensures the normal operation of the original circuit even in the event of an abnormality. In this embodiment, the relay driver chip 31 preferably uses a driver chip model MX115 to achieve on / off control.

[0054] In the fifth embodiment of the present invention, as Figure 5As shown, the boost module 4 includes a boost chip, the IN pin and the EN pin of the boost chip are connected to the 5V power supply and one end of the seventeenth capacitor C17, the GND pin of the boost chip and the other end of the seventeenth capacitor C17 are grounded; the LX pin of the boost chip is connected with one end of the first inductor L1 and the anode of the fifth diode D5 respectively, the other end of the first inductor L1 is connected to the 5V power supply, the cathode of the fifth diode D5 is connected with one end of the twenty-seventh resistor R27, one end of the fifteenth capacitor C15, one end of the fourth electrolytic capacitor EC4, the 12V power supply and the relay module 3 respectively, the other end of the twenty-seventh resistor R27 is connected with the FB pin of the boost chip and one end of the twenty-eighth resistor R28 respectively, the other end of the twenty-eighth resistor R28, the other end of the fifteenth capacitor C15 and the other end of the fourth electrolytic capacitor EC4 are grounded respectively. The boost module 4 has the effect of increasing the 5V input voltage to 12V and outputting to the relay drive chip for switching control of the relay module. In the embodiment, the preferred model of the boost module 4 is a chip of SP1208.

[0055] In the sixth embodiment of the utility model, as shown in the figure, Figure 8 As shown, one pin of the passive buzzer 8 is connected with the 5V power supply and the negative electrode of the seventh diode D7 respectively, the other pin of the passive buzzer 8 is connected with the positive electrode of the seventh diode D7 and the collector of the first triode Q1 respectively, the emitter of the first triode Q1 is grounded, the base of the first triode Q1 is connected with one end of the twenty-first resistor R21, the other end of the twenty-first resistor R21 is connected with the corresponding pin of the MCU1, so as to realize the alarm by the MCU1. Among them, the first triode Q1 is controlled to be turned on by the signal input from the corresponding pin of the MCU1, so as to control the passive buzzer 8 to be turned on and the 5V voltage input to emit sound.

[0056] In the seventh embodiment of the utility model, as shown in the figure, Figure 9 As shown, the third pin of the switch button 9 is connected with one end of the seventeenth resistor R17, the other end of the seventeenth resistor R17 is connected with the corresponding pin of the MCU1, the first pin of the switch button 9 is grounded, and the second pin of the switch button 9 is connected with the GND pin of the LED indicator lamp module 10. Among them, when the remote control is on-off, the 4G signal is directly transmitted to the MCU, and the MCU controls the relay to be on-off; when the switch button 9 is selected to control the on-off, the switch button 9 is pressed, and an "on" or "off" signal is output to the MCU1, and the MCU1 controls the relay to be on-off after receiving the switch signal.

[0057] In the eighth embodiment of the utility model, as shown in the figure, Figure 9As shown, the VDD pin of the LED indicator module 10 is connected to one end of the 25th capacitor C25 and one end of the 22nd resistor R22, respectively. The other end of the 25th capacitor C25 is grounded, and the other end of the 22nd resistor R22 is connected to a 3V3 power supply. The DIN pin of the LED indicator module 10 is connected to one end of the 16th resistor R16, and the other end of the 16th resistor R16 is connected to the corresponding pin of the MCU1. Using input signals from the corresponding pins of the MCU1 and power from the 3V3 power supply, the LED indicator module 10 emits different colors to indicate various states. In this embodiment, the LED indicator module 10 preferably uses the WS2812B model to display various colors to indicate various states.

[0058] In the ninth embodiment of the present invention, as Figure 10 As shown, it also includes a shell 11, and a mounting groove 12 that is engaged with the guide rail is provided on the back of the shell 11; a buckle 13 that is engaged with the top surface of the guide rail is provided above the mounting groove 12; a sliding component 14 is provided below the mounting groove 12, and the sliding component 14 is inserted into the sliding groove 15. The top surface of the sliding component 14 is fixedly connected to one end of the spring 16, and the other end of the spring 16 is fixed in the limiting groove 17 on the back of the shell 11, so that the sliding component 14 slides up and down along the sliding groove 15 and engages the bottom surface of the guide rail.

[0059] To use the switch, first pull down the sliding assembly 14, then snap the switch's clip 13 onto the rail. The rail then snaps into the mounting slot 12. Then, release the sliding assembly 14. The spring 16 forces the sliding assembly 14 to snap firmly onto the rail, completing the installation. To remove the switch, simply pull down the sliding assembly 14, then remove it from the rail. This is a simple and convenient method. The switch in this embodiment is preferably mounted on a 35mm rail, allowing it to be directly installed on a 2P circuit breaker in a power box.

[0060] It should be noted that the above-described disclosure and specific embodiments of the utility model are intended to demonstrate the practical application of the technical solution provided by the utility model and should not be construed as limiting the scope of protection of the utility model. Those skilled in the art will readily make various modifications, equivalent substitutions, or improvements within the spirit and principles of the utility model. The scope of protection of the utility model shall be determined by the appended claims.

Claims

1. A new type of IoT metering intelligent control device, characterized in that: It includes an MCU (1), an electric energy metering module (2), a relay module (3), a boost module (4), an LCD driver (5), an LCD display (6), a 4G module (7), a passive buzzer (8), a switch button (9) and an LED indicator light module (10); wherein, The MCU (1) is electrically connected and signal-connected to the electric energy metering module (2), the electric energy metering module (2) is electrically connected and signal-connected to the relay module (3), and the relay module (3) is electrically connected and signal-connected to the boost module (4); the electric energy metering module (2) is respectively connected to the live wire input end and the neutral wire end, and the relay module (3) is connected to the live wire output end, so as to be connected in series to the air switch in the strong current box; The relay module (3) is electrically and signal-connected to the MCU (1), so that the relay module (3) switches on or off the live wire output terminal according to a control signal from the MCU (1), thereby realizing switch control of the electrical equipment; The 4G module (7) is electrically and signal-connected to the MCU (1), and the 4G module (7) is wirelessly connected to the remote control terminal, so that the MCU (1) obtains a control signal from the remote control terminal through the 4G module (7) and controls the relay module (3) to turn on or off the live wire output terminal, and the remote control terminal obtains information about the current operating state and power consumption parameters of the electrical appliance from the electric energy metering module (2) through the 4G module (7), thereby realizing real-time monitoring of current, voltage, real-time power, temperature, and power consumption; The MCU (1) is electrically connected and signal-connected to the LCD driver (5), and the LCD driver (5) is electrically connected and signal-connected to the LCD display screen (6), so that the information of the current operating state and power consumption parameters of the electrical appliance read by the power metering module (2) is transmitted to the LCD display screen (6) for display; The passive buzzer (8) is electrically and signal-connected to the MCU (1), so that the MCU (1) obtains threshold protection information of voltage, power, and temperature set from the remote control terminal through the 4G module (7), and when the information read by the electric energy metering module (2) is abnormal, the MCU (1) automatically disconnects the live wire output terminal and controls the passive buzzer (8) to sound an alarm based on the threshold protection information; The switch button (9) is electrically connected to the MCU (1) and is signal-connected, so that the MCU (1) obtains a control signal from the touch switch button (9) and controls the relay module (3) to turn on or off the live wire output terminal; The MCU (1) is electrically connected and signal-connected to the LED indicator light module (10), so that by lightly touching the switch button (9), the LED indicator light module (10) lights up red, indicating a voltage output, or lights up green, indicating no voltage output; The electric energy metering module (2) includes an electric energy metering chip (21); wherein, The IP1 pin of the electric energy metering chip (21) is respectively connected to one end of the seventh resistor R7 and one end of the fifth capacitor C5, and the other end of the seventh resistor R7 is respectively connected to the second pin of the third shunt J3 and the relay module (3); the IN1 pin of the electric energy metering chip (21) is respectively connected to one end of the eighth resistor R8 and one end of the sixth capacitor C6, and the other end of the eighth resistor R8 is connected to the first pin of the third shunt J3; the other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are commonly grounded to achieve real-time monitoring of the current; The VP pin of the electric energy metering chip (21) is respectively connected to one end of the fourth capacitor C4, one end of the sixth resistor R6, and one end of the fifth resistor R5; the other end of the fifth resistor R5 is connected in series with the fourth resistor R4, the third resistor R3, the second resistor R2, and one end of the first resistor R1; the other end of the first resistor R1 is respectively connected to the neutral line end and one end of the varistor RV1; the other end of the varistor RV1 is connected to the live line input end; the VN pin of the electric energy metering chip (21), the other end of the fourth capacitor C4, and the other end of the sixth resistor R6 are commonly connected to the ground to achieve real-time monitoring of the voltage.

2. The IoT metering intelligent control device according to claim 1, characterized in that: The electric energy metering module (2) further comprises an AC-DC power supply module (22), wherein the first pin of the AC-DC power supply module (22) is connected to one end of the thermistor RT1, the other end of the thermistor RT1 is respectively connected to the other end of the first resistor R1, the neutral line end, and one end of the varistor RV1, and the second pin of the AC-DC power supply module (22) is connected to the live line input end; the fifth pin of the AC-DC power supply module (22) is respectively connected to one end of the transient suppression diode DZ1 and one end of the electrolytic capacitor EC1, and is commonly connected to a 5V power supply; the sixth pin of the AC-DC power supply module (22), the other end of the transient suppression diode DZ1, and the other end of the electrolytic capacitor EC1 are commonly grounded to convert alternating current into direct current and provide a stable power supply as well as circuit high and low voltage isolation and surge protection.

3. The IoT metering intelligent control device according to claim 1, characterized in that: The relay module (3) includes a relay driver chip (31) and a magnetic latching relay (32); wherein, The VCC pin of the relay driver chip (31) is connected to the boost module (4), so that the boost module (4) increases the power supply voltage of the relay driver chip (31); The relay driving chip (31) is connected to corresponding pins of the MCU (1) via the AIN pin and the BIN pin, respectively, so that the relay driving chip (31) receives a control signal from the MCU (1); The AOUT pin of the relay driver chip (31) is connected to the 4th pin of the magnetic latching relay (32), the BOUT pin of the relay driver chip (31) is connected to the 1st pin of the magnetic latching relay (32), the 2nd pin of the magnetic latching relay (32) is connected to the live wire output end, and the 3rd pin of the magnetic latching relay (32) is connected to the electric energy metering module (2), so that the relay driver chip (31) outputs a signal for controlling the magnetic latching relay (32) to be turned on or off, thereby controlling the live wire output end to be connected or disconnected with the electric energy metering module (2).

4. The IoT metering intelligent control device according to claim 1, characterized in that: The boost module (4) includes a boost chip, wherein the IN pin and the EN pin of the boost chip are connected to a 5V power supply and one end of a seventeenth capacitor C17, and the GND pin of the boost chip and the other end of the seventeenth capacitor C17 are grounded. The LX pin of the boost chip is connected to one end of a first inductor L1 and the positive electrode of a fifth diode D5, respectively. The other end of the first inductor L1 is connected to a 5V power supply, and the negative electrode of the fifth diode D5 is connected to one end of a twenty-seventh resistor R27, one end of a fifteenth capacitor C15, one end of a fourth electrolytic capacitor EC4, a 12V power supply and a relay module (3). The other end of the twenty-seventh resistor R27 is connected to the FB pin of the boost chip and one end of a twenty-eighth resistor R28, respectively. The other end of the twenty-eighth resistor R28, the other end of the fifteenth capacitor C15 and the other end of the fourth electrolytic capacitor EC4 are grounded, respectively, so as to increase the 5V input voltage to 12V and output it to the relay drive chip (31) for switching control of the relay module (3).

5. The IoT metering intelligent control device according to claim 1, characterized in that: One pin of the passive buzzer (8) is respectively connected to a 5V power supply and a cathode of a seventh diode D7, another pin of the passive buzzer (8) is respectively connected to an anode of the seventh diode D7 and a collector of a first transistor Q1, an emitter of the first transistor Q1 is grounded, a base of the first transistor Q1 is connected to one end of a twenty-first resistor R21, and the other end of the twenty-first resistor R21 is connected to a corresponding pin of an MCU (1), so that an input signal through the corresponding pin of the MCU (1) controls the first transistor Q1 to be turned on, thereby controlling the passive buzzer (8) to be turned on to input a 5V voltage and emit a sound.

6. The IoT metering intelligent control device according to claim 1, characterized in that: The third pin of the switch button (9) is connected to one end of the seventeenth resistor R17, the other end of the seventeenth resistor R17 is connected to the corresponding pin of the MCU (1), the first pin of the switch button (9) is grounded, and the second pin of the switch button (9) is connected to the GND pin of the LED indicator module (10), so that when the switch button is pressed, the MCU receives an "on" or "off" signal and controls the relay to be energized or de-energized.

7. The IoT metering intelligent control device according to claim 6, characterized in that: The VDD pin of the LED indicator light module (10) is respectively connected to one end of the twenty-fifth capacitor C25 and one end of the twenty-second resistor R22, the other end of the twenty-fifth capacitor C25 is grounded, and the other end of the twenty-second resistor R22 is connected to the 3V3 power supply. The DIN pin of the LED indicator light module (10) is connected to one end of the sixteenth resistor R16, and the other end of the sixteenth resistor R16 is connected to the corresponding pin of the MCU (1), so that the LED indicator light module (10) emits different color changes to indicate various states through the input signal of the corresponding pin of the MCU (1) and the 3V3 power supply.

8. The IoT metering intelligent control device according to claim 1, characterized in that: The invention also includes a shell (11), a mounting groove (12) for engaging with the guide rail is provided on the back of the shell (11); a buckle (13) for engaging with the top surface of the guide rail is provided above the mounting groove (12); a sliding assembly (14) is provided below the mounting groove (12), the sliding assembly (14) is inserted into the sliding groove (15), the inner top surface of the sliding assembly (14) is fixedly connected to one end of a spring (16), and the other end of the spring (16) is fixed in a limiting groove (17) on the back of the shell (11), so that the sliding assembly (14) slides up and down along the sliding groove (15) and engages with the bottom surface of the guide rail.

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