Household electricity intelligent miniature detector and control method thereof

Abstract

The invention discloses a household electric quantity intelligent micro detector and a control method thereof, relates to the technical field of electric quantity detection, and solves the problem that in the prior art, due to the lack of targeted electric quantity detection equipment, disputes cannot be properly processed on the basis of actual data. The electric meter box is compact and portable in design, can be conveniently installed at the wire inlet end of an electric meter, does not occupy extra space, and can be stably installed on different types of electric meters. The core technology comprises a high-precision electric energy monitoring module which can monitor and accurately measure current and voltage in real time and calculate a real-time power value. In addition, the device has built-in data recording and storage functions, and can continuously record power consumption data. Data display and display functions are provided, and the current electricity consumption and other related information are displayed through a display screen or an indicator lamp. And the power consumption data is visually displayed in a curve or graph form, so that a user can clearly know the power consumption condition of each time period.

Description

Technical Field

[0001] The present invention relates to the technical field of electric quantity detection, and in particular to a household electric quantity intelligent micro detector and a control method thereof. Background Art

[0002] In modern society, with the booming economy and the continuous advancement of science and technology, people's demand for electricity has shown explosive growth. The electricity consumption of households and multi-family houses has risen sharply, not only because of the popularization and replacement of household appliances, but also because of the widespread use of smart homes and Internet of Things devices. The energy consumption of traditional household appliances such as air conditioners, refrigerators, washing machines, and televisions is already considerable, and the addition of emerging products such as smart thermostats, security monitoring systems, and home entertainment equipment has made the electricity consumption rise steadily. In addition, with the enhancement of environmental awareness and the promotion of the concept of sustainable development, energy conservation and emission reduction has become a global consensus, but how to find a balance between meeting the growing electricity demand of residents and achieving energy conservation and emission reduction goals has become an urgent problem to be solved. The rational allocation and effective management of electricity are of great significance to ensuring the quality of life of residents, maintaining social stability, and promoting green development.

[0003] However, we face obvious deficiencies in resolving disputes over electricity usage. First, the lack of accurate power detection equipment makes it difficult to effectively monitor and resolve issues such as uneven power distribution and unauthorized use of electrical appliances. These disputes are often difficult to properly handle due to the lack of actual data support. For example, when multiple households share a meter, it is difficult to accurately determine the actual power consumption of each household, resulting in unfair distribution of electricity bills. In addition, some users may use high-power consumption devices without permission, which not only increases the overall power consumption, but also may overload the power system. In this case, without accurate monitoring equipment, it is difficult to track and restrict these behaviors.

[0004] In view of this, there is a need for an intelligent micro-detector for household electricity and a control method thereof. Summary of the invention

[0005] In view of the problem in the prior art that disputes cannot be properly handled based on actual data due to the lack of targeted electricity detection equipment, the present invention provides a household electricity intelligent micro-detector and a control method thereof, which can monitor and accurately measure current and voltage in real time, and calculate real-time power values. In addition, the device has built-in data recording and storage functions, which can continuously record electricity consumption data. Equipped with data display and presentation functions, the current electricity consumption and other related information are displayed on a display screen or indicator light. The electricity consumption data is intuitively displayed in the form of curves or graphs, so that users can clearly understand the electricity consumption in each time period. The specific technical solution is as follows:

[0006] A household electricity intelligent micro detector comprises a power supply, a microprocessor, an LED display, a storage module, a metering chip, a voltage transformer and a current transformer, wherein the microprocessor is connected to the power supply, the LED display, the storage module and the metering chip are all connected to the microprocessor, the voltage transformer and the current transformer are connected to the metering chip, the metering chip collects instantaneous voltage value, instantaneous current value, voltage effective value, current effective value, power and energy through the voltage transformer and the current transformer, and stores the collected instantaneous voltage value, instantaneous current value, voltage effective value, current effective value, power and energy in the storage module after passing through a microcontroller.

[0007] Preferably, the microprocessor is further connected to a thyristor protection circuit, and the thyristor protection circuit is connected to a magnetic latching relay.

[0008] Preferably, the microprocessor is also connected to a communication module.

[0009] Preferably, the microprocessor is also connected to a clock module and a key module.

[0010] Preferably, after the microprocessor collects the instantaneous voltage value, the instantaneous current value, the voltage effective value, the current effective value, the power and energy collected on the metering chip, it transmits it to the mobile terminal app through the communication module. The mobile terminal app includes four functional modules: home page, chart set, settings and fees, and performs permission setting, parameter setting, control setting and generates power consumption statistical charts based on the collected instantaneous voltage value, instantaneous current value, voltage effective value, current effective value, power and energy.

[0011] Preferably, the home page is used to display a list of current status parameters of the detector, including switch status, total power consumption, current voltage, current, power and frequency, operation log and refresh frequency; the setting function module includes setting language, setting device working brightness, setting standby time and setting overvoltage and overcurrent functions.

[0012] Preferably, the chart set is used to display the curve changes of the parameters of voltage, current, power, and increase in electricity consumption, and can be displayed according to day, month, or year.

[0013] Preferably, it also includes a shell, which is provided with a display screen exposure port, a wiring port and a snap-in guide rail, and at least a power supply, a microprocessor, an LED display, a storage module, a metering chip, a voltage transformer and a current transformer are placed inside the shell. The display screen exposure port is arranged on the front surface of the shell, and is used for the LED display to be exposed on the outer surface of the shell. The wiring port is arranged on the front surface of the shell, and is used for wiring modules including the power supply and the microprocessor. The snap-in guide rail is arranged on one side of the shell, and is used to fix the shell to the outside of the household air switch. The shape of the snap-in guide rail is adapted to the shape of the household air switch.

[0014] A control method for a household electricity intelligent micro detector is applied to the household electricity intelligent micro detector as described above, including a control main program and a functional module subprogram, wherein the functional module subprogram includes an energy metering subprogram, a display module subprogram, a storage module subprogram, a key module subprogram, a protection and control subprogram, and a communication module subprogram, wherein the control main program includes the following steps: after the system is initialized, the following steps are performed:

[0015] S1: Determine whether there is a key input, if yes, perform key analysis, if not, proceed to step S2;

[0016] S2: Determine whether the power is off. If so, perform the power off procedure and then perform sampling. If not, start sampling.

[0017] S3: Start the electric energy metering subroutine, then determine whether the data is displayed, if so, display the user line quantity information, if not, proceed to step S4;

[0018] S4: Determine whether to perform data transmission, if yes, perform data transmission subroutine, if no, perform step S5;

[0019] S5: Determine whether to store data, if yes, perform the storage subroutine, if not, perform step S6:;

[0020] S6: Determine whether the user has completed sampling. If so, display, transmit and store the parameters. If not, return to step S1.

[0021] A computer-readable storage medium includes a stored program, wherein when the program is run, the device where the computer-readable storage medium is located is controlled to control the control method of the household electricity intelligent micro detector as described above.

[0022] A processor is used to run a program, wherein the program executes the control method of the household electricity intelligent micro-detector as described above when running.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) Real-time monitoring and high-precision detection: The device must be able to monitor household electricity consumption in real time and update data at short intervals to ensure that users are aware of electricity usage at any time. At the same time, the device needs to be equipped with a high-precision power monitoring module to accurately measure current and voltage, as well as calculate real-time power values ​​to ensure the accuracy and reliability of the data provided.

[0025] (2) Data recording and sufficient storage: The device must have an effective data recording function built in to continuously record detailed power consumption data and have sufficient storage capacity to save power consumption data over a period of time. In this way, users can review historical data at any time to analyze power consumption behavior and evaluate power usage.

[0026] (3) Data display and intuitive display: The device should be equipped with an intuitive data display interface, such as an LCD display or indicator light, to display the current power consumption and other key information in real time. In addition, the device should also support the display of power consumption data in the form of graphs or curves by connecting to mobile devices or computers, so that users can intuitively understand the power consumption in different time periods, which is convenient for users to better manage and control the use of household electricity.

[0027] (4) Easy to install and user-friendly: The device should be compact and portable, easy to install at the incoming line of the meter, and the clamping device should be designed to be stable and reliable without damaging the meter or wires. At the same time, the user interface should be simple and intuitive to ensure that all users can easily operate and understand the electricity consumption data. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0029] Figure 1 This is a schematic diagram of the overall framework of the household electricity intelligent micro-detector of the present invention;

[0030] Figure 2 This is the circuit design diagram of the metering part of the present invention;

[0031] Figure 3 This is the circuit design diagram of the communication part of the present invention;

[0032] Figure 4 It is a main program flow chart of the control method of the household electricity intelligent micro detector of the present invention;

[0033] Figure 5This is a schematic diagram of the housing structure of the household electricity intelligent micro detector of the present invention (front view);

[0034] Figure 6 This is a schematic diagram of the housing structure of the household electricity intelligent micro detector of the present invention (back side);

[0035] Figure 7 This is the voltage measurement schematic;

[0036] Figure 8 This is the current measurement schematic;

[0037] Fig. 9 This is a schematic diagram of the mobile terminal APP homepage;

[0038] Fig.10 It is a schematic diagram of a mobile terminal APP chart set;

[0039] Fig.11 Schematic diagram of the mobile terminal APP setting interface.

[0040] In the figure: 1. Exposed opening of display screen; 2. Wiring opening; 3. Clip-on guide rail. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0043] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0044] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0045] Combine the following Figure 1-Figure 8, the embodiments of the present invention are further described.

[0046] In one embodiment of the present invention, a household electricity intelligent micro detector is provided. Figure 1 As shown, it includes a power supply, a microprocessor, an LED display, a storage module, a metering chip, a voltage transformer and a current transformer, wherein the microprocessor is connected to the power supply, the LED display, the storage module and the metering chip are all connected to the microprocessor, the voltage transformer and the current transformer are connected to the metering chip, and the metering chip collects the instantaneous value of voltage, the instantaneous value of current, the effective value of voltage, the effective value of current, and power and energy through the voltage transformer and the current transformer, and stores the collected instantaneous value of voltage, instantaneous value of current, effective value of voltage, effective value of current, and power and energy in the storage module after passing through the microcontroller. The microprocessor is also connected to a thyristor protection circuit, a communication module, a clock module and a key module, and the thyristor protection circuit is connected to a magnetic latching relay.

[0047] After the microprocessor collects the instantaneous voltage value, the instantaneous current value, the effective voltage value, the effective current value, the power and energy collected on the metering chip, it transmits it to the mobile terminal app through the communication module. The mobile terminal app includes four functional modules: home page, chart set, settings and fees. Based on the collected instantaneous voltage value, instantaneous current value, effective voltage value, effective current value, power and energy, permission setting, parameter setting, control setting and power consumption statistical chart generation are performed.

[0048] From the above description, it can be seen that this embodiment can at least realize the functions of electric energy metering, information data storage and processing, real-time monitoring, automatic control, information interaction, etc. The hardware part of the detector uses 80C51 as the core processor, electric energy metering chip CS5460A and LCD display chip 1602, and clock chip DS1302 as the main control part.

[0049] Among them, the energy metering chip uses CS5460A. Its main functions are as follows: it has a special automatic pin mode function, which can make the chip work independently and automatically initialize when powered; it has an on-chip watchdog timer and an internal power monitor; it can accurately measure the instantaneous value of voltage, instantaneous value of current, effective value of voltage, effective value of current, power and energy in both positive and negative directions; it provides an external reset pin; the bidirectional serial interface and the internal register array can be easily connected to the microprocessor; the maximum frequency of the external clock can reach 20MHz; it has a power direction output indication. Circuit design such as Figure 2 shown.

[0050] The voltage measurement principle is as follows:

[0051] (1) Rectification: The AC voltage is rectified into DC. The DC voltage value after rectification is in a certain proportional relationship with the effective value of the AC voltage.

[0052] (2) Voltage division sampling: Generally, it adopts the form of series resistors. Because there is a fixed proportional relationship between the resistors, the lower voltage value obtained by voltage division from the resistors has a fixed proportional relationship with the original voltage. Figure 7 It is a typical resistor-capacitor voltage division principle. It uses the resistor-capacitor voltage division method to measure high voltage AC and DC. The left side is the high voltage part, which uses a resistor-capacitor voltage division circuit, consisting of two impedance parts, Z1 and Z2. The high voltage Ui is input from the upper voltage equalizing ball, and the low voltage sampling signal Uo is output from the impedance Z2; the right side is the low voltage display meter, which is used to process the low voltage sampling signal Uo. The low voltage sampling signal Uo is sent to the low voltage display meter for display after rectification, filtering and amplification.

[0053] (3) Output: Taking digital display as an example, the voltage after voltage division sampling needs to undergo A / D conversion (i.e., analog quantity / digital quantity conversion). There is a standard voltage in the digital instrument, generally 200mV. The voltage after sampling is compared with it and analog conversion is performed. The converted digital quantity reflects the level of the sampled voltage. Through the setting of proportional conversion (i.e., considering the proportional relationship between the original rectification and sampling voltages), the magnitude of the measured AC voltage can be displayed on the display.

[0054] The current measurement principle is as follows:

[0055] Current transformers are often used in power systems for current measurement, fault protection, and energy metering. By measuring the magnitude of the secondary current, the current information in the original circuit can be accurately obtained, thereby enabling monitoring and control of the power system. In the industrial field, current transformers are also widely used in various power equipment and control systems, providing reliable technical support for engineering operations and management. Through the clever application of the principle of electromagnetic induction, the conversion and measurement of large currents are realized, providing important technical guarantees for the safe and stable operation of the power system and the efficient conduct of industrial production.

[0056] Current transformers are based on the principle of electromagnetic induction, such as Figure 8 As shown, the measured current is guided through a coil (usually a certain number of turns) to generate an induced current in another coil. The two coils are coupled to each other through a magnetic medium to achieve the transmission and conversion of current. Through the current transformer, the large current in the original circuit can be converted into a smaller secondary current, making subsequent measurement and protection work more convenient and accurate. This conversion also helps to reduce energy loss in the circuit and improve the efficiency and stability of the system.

[0057] In addition, the detector uses wifi wireless communication to view and display the internally stored data and recorded information in the mobile phone app through the wireless network. The communication chip adopts the BCM8000 solution, and the wifi communication circuit uses the BCM8000 embedded chip. It is an encrypted wireless LAN module that contains an IP communication control chip and a WiFi radio frequency chipset, and uses a standard SocketModem package. It has the advantages of high data transmission rate, flexible networking, good mobility, and high cost performance. The use of wireless communication can reduce the internal volume and structure of the detector, which is conducive to on-site installation and implementation. It is also very convenient and fast to access the user's home WIFI network. To connect the WiFi communication circuit to the single-chip computer 80C51, you only need to connect the RXDH and TXDH pins of the BCM8000 to the TXD and RXD pins of the 80C51 respectively. The circuit design is as follows: Figure 3 shown.

[0058] After the microprocessor collects the instantaneous voltage value, the instantaneous current value, the effective voltage value, the effective current value, the power and energy collected on the metering chip, it is transmitted to the mobile terminal app through the communication module. The mobile terminal app includes four functional modules: home page, chart set, setting and fee. Based on the collected instantaneous voltage value, instantaneous current value, effective voltage value, effective current value, power and energy, permission setting, parameter setting, control setting and power consumption statistical chart generation are performed;

[0059] Mobile terminal APP is developed through Android SDK, a software development kit exclusive to Android. The Android system architecture adopts the concept of layered model, which is divided into application layer, application framework layer, Android function library and runtime layer, and Linux kernel layer from top to bottom. This structural model makes each layer independent of each other, reduces interdependence, reduces development difficulty, and facilitates more development.

[0060] The mobile terminal APP uses scripting language to complete the interface design, which mainly includes four main functions: home page, chart set, settings and fees. It covers the functions of the detector's permission setting, parameter setting, control setting, power consumption statistics chart, etc. The schematic diagram and brief introduction of some functions of the App are as follows:

[0061] (1)Homepage:

[0062] The home page shows a list of the current status parameters of the detector, including switch status, total power consumption (since connection), current voltage, current, power and frequency, operation log, refresh frequency and other information. Fig. 9 shown.

[0063] (2) Chart Collection:

[0064] The chart set is used to display the curve changes of parameters such as voltage, current, power, and power consumption increase. It can be displayed according to day, month, and year, which is convenient for users to view the detailed situation of household electricity consumption. Fig.10 shown.

[0065] (3) Settings:

[0066] Set the general parameters of the detector, including language, device working brightness, standby time, overvoltage and overcurrent, etc. Fig.11 shown.

[0067] In one embodiment of the present invention, Figure 5 , Figure 6 As shown, it also includes a shell, which is provided with a display screen exposure port 1, a wiring port 2 and a clamping guide rail 3, and at least a power supply, a microprocessor, an LED display, a storage module, a metering chip, a voltage transformer and a current transformer are placed inside the shell. The display screen exposure port 1 is arranged on the front surface of the shell, and is used for the LED display to be exposed on the outer surface of the shell. The wiring port 2 is arranged on the front surface of the shell, and is used for wiring modules including a power supply and a microprocessor. The clamping guide rail 3 is arranged on one side of the shell, and is used to fix the shell to the outside of the household air switch. The shape of the clamping guide rail 3 is adapted to the shape of the household air switch. The above-mentioned household electricity intelligent micro detector (guide rail detector) is designed according to the appearance of a household air switch, has a built-in voltage and current detection module, and uses a digital LCD display interface. It can display the voltage, current, power, electricity consumption and other information under the current power supply circuit in real time; and can be connected to the WiFi local area network and interconnected with the mobile phone app, and can perform statistical analysis on historical data and electricity curve fluctuations, as well as set various instrument parameters; it adopts a guide rail installation design, and the installation can be completed by simply connecting the instrument to the main power supply circuit, which is very convenient for on-site use.

[0068] In one embodiment of the present invention, a control method for the above-mentioned household electricity intelligent micro-detector is provided, including a control main program and a functional module subprogram, wherein the functional module subprogram includes an energy metering subprogram, a display module subprogram, a storage module subprogram, a key module subprogram, a protection and control subprogram, and a communication module subprogram, wherein the control main program includes the following steps: after the system is initialized, the following steps are performed:

[0069] S1: Determine whether there is a key input, if yes, perform key analysis, if not, proceed to step S2;

[0070] S2: Determine whether the power is off. If so, perform the power off procedure and then perform sampling. If not, start sampling.

[0071] S3: Start the electric energy metering subroutine, then determine whether the data is displayed, if so, display the user line quantity information, if not, proceed to step S4;

[0072] S4: Determine whether to perform data transmission, if yes, perform data transmission subroutine, if no, perform step S5;

[0073] S5: Determine whether to store data, if yes, perform the storage subroutine, if not, perform step S6:;

[0074] S6: Determine whether the user has completed sampling. If so, display, transmit and store the parameters. If not, return to step S1.

[0075] In summary, the present invention has the ability to monitor household electricity consumption in real time, and can update data at short time intervals to ensure that users are aware of the status of electricity use at any time. At the same time, the device needs to be equipped with a high-precision electricity monitoring module to accurately measure current and voltage, and calculate real-time power values ​​to ensure the accuracy and reliability of the data provided. It can also continuously record detailed electricity consumption data and have sufficient storage capacity to save electricity consumption data for a period of time. In this way, users can access historical data at any time to analyze electricity consumption behavior and evaluate electricity use. In addition, the present invention is equipped with an intuitive data display interface, such as an LCD display or indicator light, to display the current electricity consumption and other key information in real time. It also supports displaying electricity consumption data in the form of graphics or curves by connecting to a mobile device or computer, so that users can intuitively understand the electricity consumption in different time periods, which is convenient for users to better manage and control household electricity use.

[0076] Those of ordinary skill in the art will appreciate that the units of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition of each example has been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0077] In the embodiments provided by the present invention, it should be understood that the division of units is only a logical function division, and there may be other division methods in actual implementation, for example, multiple units can be combined into one unit, one unit can be split into multiple units, or some features can be ignored, etc.

[0078] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0079] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-0nlyMemory), random access memory (RAM, RandomAccessMemory), mobile hard disk, magnetic disk or optical disk, etc., which can store program code.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A household electricity intelligent micro detector, characterized in that: The invention comprises a power supply, a microprocessor, an LED display, a storage module, a metering chip, a voltage transformer and a current transformer. The microprocessor is connected to the power supply, the LED display, the storage module and the metering chip are all connected to the microprocessor, the voltage transformer and the current transformer are connected to the metering chip, the metering chip collects instantaneous voltage value, instantaneous current value, voltage effective value, current effective value, power and energy through the voltage transformer and the current transformer, and stores the collected instantaneous voltage value, instantaneous current value, voltage effective value, current effective value, power and energy in the storage module after passing through the microcontroller.

2. A household electricity intelligent micro detector according to claim 1, characterized in that: The microprocessor is also connected to a thyristor protection circuit, and the thyristor protection circuit is connected to a magnetic latching relay.

3. A household electricity intelligent micro detector according to claim 1, characterized in that: The microprocessor is also connected to a communication module, a clock module and a key module.

4. A household electricity intelligent micro detector according to claim 3, characterized in that: After the microprocessor collects the instantaneous voltage value, the instantaneous current value, the effective voltage value, the effective current value, the power and energy collected on the metering chip, it transmits it to the mobile terminal app through the communication module. The mobile terminal app includes four functional modules: home page, chart set, settings and fees. Based on the collected instantaneous voltage value, instantaneous current value, effective voltage value, effective current value, power and energy, permission setting, parameter setting, control setting and power consumption statistical chart generation are performed.

5. A household electricity intelligent micro detector according to claim 4, characterized in that: The home page is used to display a list of the current status parameters of the detector, including the switch status, total power consumption, current voltage, current, power and frequency, operation log and refresh frequency; the setting function module includes setting the language, setting the device working brightness, setting the standby time and setting the overvoltage and overcurrent functions.

6. A household electricity intelligent micro detector according to claim 4, characterized in that: The chart set is used to display the curve changes of the parameters of voltage, current, power, and increase in electricity consumption, and can be displayed according to day, month, or year.

7. The intelligent micro-detector for household electricity according to claim 1, characterized in that: The invention also comprises a shell, wherein the shell is provided with a display screen exposure port (1), a wiring port (2) and a snap-in guide rail (3), and at least a power supply, a microprocessor, an LED display, a storage module, a metering chip, a voltage transformer and a current transformer are placed inside the shell. The display screen exposure port (1) is arranged on the front surface of the shell, and is used for the LED display to be exposed on the outer surface of the shell. The wiring port (2) is arranged on the front surface of the shell, and is used for connecting the modules including the power supply and the microprocessor. The snap-in guide rail (3) is arranged on one side of the shell, and is used for fixing the shell to the outside of the household air switch. The shape of the snap-in guide rail (3) is adapted to the shape of the household air switch.

8. A control method for a household electric power intelligent micro detector, characterized in that: The household electricity intelligent micro-detector applied to any one of claims 1 to 7 comprises a control main program and a functional module subprogram, wherein the functional module subprogram comprises an energy metering subprogram, a display module subprogram, a storage module subprogram, a key module subprogram, a protection and control subprogram, and a communication module subprogram, wherein the control main program The following steps are included: After the system is initialized, proceed: S1: Determine whether there is a key input, if yes, perform key analysis, if not, proceed to step S2; S2: Determine whether the power is off. If so, perform the power off procedure and then perform sampling. If not, start sampling. S3: Start the electric energy metering subroutine, then determine whether the data is displayed, if so, display the user line quantity information, if not, proceed to step S4; S4: Determine whether to perform data transmission, if yes, perform data transmission subroutine, if no, perform step S5; S5: Determine whether to store data, if yes, perform the storage subroutine, if no, perform step S6; S6: Determine whether the user has completed sampling. If so, display, transmit and store the parameters. If not, return to step S1.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium includes a stored program, wherein when the program is executed, the device where the computer-readable storage medium is located is controlled to execute the control method of the household electricity intelligent micro detector according to claim 8.

10. A processor, characterized in that: The processor is used to run a program, wherein the program, when running, executes the control method of the household electricity intelligent micro detector described in claim 8.

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