Intelligent electric measurement gateway device for electricity meter verification environment

By using a high-performance processor and a smart electrical measurement gateway device with multiple communication interfaces, the problems of insufficient real-time performance and scalability of existing devices in the electricity meter verification scenario are solved. This enables real-time data acquisition, remote monitoring and control of power grid equipment, thereby improving verification efficiency and accuracy.

CN224037375UActive Publication Date: 2026-03-24HAIYAN DE CHUANG ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing intelligent electrical measurement gateway devices cannot meet the requirements of real-time performance, intelligence level, and scalability in the verification of electricity meters.

Method used

It adopts the RK3568 high-performance processor as the core controller, combined with a trusted security module and multiple communication interfaces, supporting serial port, Ethernet, low-power wireless, carrier communication, 4G/5G, etc., to realize multi-link transmission channels and security protection, and can be connected to extended devices through wireless communication links such as WiFi, ZigBee, NB-IoT, etc., for real-time data acquisition and fast data processing.

Benefits of technology

It enables real-time data acquisition and accurate calibration results for power grid equipment, supports remote monitoring and control, has high compatibility and scalability, ensures the safety and reliability of equipment, reduces power consumption, and improves calibration efficiency and accuracy.

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Abstract

The utility model discloses an intelligent electric measurement gateway device for an electricity meter verification environment. The device comprises an information acquisition unit, a communication unit and an intelligent gateway unit, the information acquisition unit is connected with equipment in an electricity meter verification environment and is used for acquiring verification equipment data; the communication unit is connected with the information acquisition unit and the intelligent gateway unit and is used for data and instruction interaction between the intelligent gateway unit and the information acquisition unit; and the intelligent gateway unit is connected with the communication unit and the main control computer and is used for summarizing data and sending the data to the main control computer. The device can meet the requirements of an electricity meter verification scene on real-time performance, intelligent level and expandability.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the electric meter calibration technical field especially relates to a gateway device special for electric meter calibration environment. BACKGROUND

[0002] With the continuous development of power system, the continuous promotion of power reform, the continuous deepening of technological innovation, the market demand of IR46 electric energy meter as important metering equipment in power system increases day by day, and the communication architecture and rate requirement of electric energy meter calibration are also higher and higher. In order to improve the accuracy and reliability of electric energy meter calibration, a new type of electric measuring gateway device is needed, which can be related to the rise of smart grid, the application of internet of things technology, the limitation of traditional calibration method and the information collection demand of new generation calibration scene. Through the adoption of advanced computing technology and algorithm, the intelligent electric measuring gateway device can meet the requirements of real-time, intelligent level and scalability of new generation calibration scene, and provide effective support for the monitoring, control and management of power grid equipment. UTILITY MODEL CONTENT

[0003] The utility model provides a kind of intelligent electric measuring gateway device for electric meter calibration environment, to overcome the deficiency that intelligent electric measuring gateway device in prior art cannot meet the requirement of real-time, intelligent level and scalability of calibration scene.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of intelligent electric measuring gateway device for electric meter calibration environment, and the device includes information acquisition unit, communication unit, intelligent gateway unit;

[0006] The information acquisition unit is connected to the equipment in electric meter calibration environment, and is used to acquire calibration equipment data;

[0007] The communication unit is connected to information acquisition unit and intelligent gateway unit, and is used for the data and instruction interaction between intelligent gateway unit and information acquisition unit;

[0008] Intelligent gateway unit is connected to communication unit and host computer, and is used to summarize data and send to host computer.

[0009] As preferred, it further includes power supply circuit, and the power supply circuit is used to power communication unit and intelligent gateway unit.

[0010] As preferred, it further includes display unit, and the display unit includes touch screen.

[0011] As preferred, the communication unit supports serial port, Ethernet, micro-power wireless, carrier communication, 4G / 5G communication interface.

[0012] Preferably, the calibration equipment includes a power source and an error meter.

[0013] Therefore, this application can achieve the following beneficial effects:

[0014] (1) Composition and function of the device

[0015] Core Controller: It adopts high-performance processors such as RK3568 as the core main controller, which has powerful data processing capabilities.

[0016] Trusted Security Module: Builds trusted authentication to ensure device security.

[0017] Multiple communication interfaces: Supports multiple communication interfaces such as serial port, Ethernet, low-power wireless, carrier communication, 4G / 5G, etc., to realize multi-link transmission channels and security protection.

[0018] Wireless communication link extension: Supports wireless communication links such as WiFi, ZigBee, and NB-IoT, facilitating device access and data transmission.

[0019] (2) Intelligent monitoring and control

[0020] Real-time data acquisition: It can acquire various electrical measurement data of power grid equipment in real time, such as voltage, current, power factor, etc.

[0021] Data processing and analysis: Utilizing advanced computing technologies and algorithms, the collected data is processed and analyzed rapidly to provide accurate verification results.

[0022] Remote monitoring and control: Supports remote monitoring of the operating status of power grid equipment, and can be remotely controlled and managed as needed. Attached Figure Description

[0023] Figure 1 This is a logic block diagram of the present invention.

[0024] Figures 2-11 This is the circuit schematic diagram of this utility model. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0026] like Figure 1 As shown, this utility model discloses an intelligent electrical measurement gateway device for an electricity meter calibration environment. The device includes an information acquisition unit, a communication unit, and an intelligent gateway unit.

[0027] The information acquisition unit is connected to the equipment in the meter calibration environment and is used to collect data from the calibration equipment.

[0028] The communication unit is connected with the information acquisition unit and the intelligent gateway unit, and is used for data and instruction interaction between the intelligent gateway unit and the information acquisition unit.

[0029] The intelligent gateway unit is connected with the communication unit and the host computer, and is used for aggregating data and sending the data to the host computer.

[0030] As preferred, a power supply circuit is further included, and the power supply circuit is used for supplying power to the communication unit and the intelligent gateway unit.

[0031] As preferred, a display unit is further included, and the display unit includes a touch screen.

[0032] As preferred, the communication unit supports serial port, Ethernet, micro-power wireless, carrier communication, and 4G / 5G communication interfaces.

[0033] As preferred, the calibration device includes a power source and an error instrument.

[0034] The new-generation flexible automatic pipeline calibration system mainly provides monitoring and fault reporting for normal operation of equipment. The intelligent electrical measurement gateway device mainly includes a communication unit, a power supply circuit, an information acquisition system, an intelligent gateway unit, and the like, and a system composition block diagram is shown in Figure 1 The system mainly collects running state information and fault information of external equipment (power amplifier, signal source, standard meter, error instrument, and the like) through an isolation circuit by the information acquisition unit, and the information acquisition unit stores the collected information points in an internal register after anti-shake processing. The communication unit generates multiple communication mode channels (RS485 and CAN communication), connects the information acquisition unit 1, the information acquisition unit 2, the information acquisition unit 3, and the like through a communication line, and distinguishes the acquisition modules through addresses on the acquisition modules; the information in the storage unit of the acquisition unit is read in real time and actively reported to the intelligent gateway unit; the intelligent gateway unit distinguishes and classifies the reported information, and displays the collected state and fault point information on the corresponding information board of the display unit; finally, the running state and fault information can be reported to the customer platform system through the computer. The system not only satisfies information collection, but also has the interconnection and intercommunication function of device protocols of various manufacturers; the system platform generates an instruction to the host computer of each manufacturer, and the instruction is converted into an instruction code recognized by the device through the intelligent gateway, so that strong software interconnection and intercommunication are achieved.

[0035] As shown in Figure 2 , Figure 3 , Figure 4 the information acquisition unit

[0036] The information acquisition unit is composed of 485 chip U6, STM32 chip U7, power supply chip U8, resistors R28-R76, capacitors C40-C52, triode N1, diodes D4, D5, self-resetting fuses P5, P6, LED lamps L8, L9, DC-DC module DC / DC3, crystal oscillator E1, and connectors J24-J30.

[0037] One end of resistor R36 is connected to VCC, and the other end is connected to the collector of 5551 triode N1. One end of resistor 39 is connected to TXD, and the other end is connected to the base of 5551 triode. The emitter of 5551 triode is connected to GND, and the collector is connected to the second and third pins of chip U6. One end of resistor R42 is connected to the seventh pin of chip U6, and the other end is connected to GND. One end of resistor R44 is connected to the sixth pin of chip U6, and the other end is connected to VCC. One end of diode D5 is connected to the seventh pin of chip U6, and the other end is connected to the sixth pin of chip U6. One end of diode D4 is connected to the sixth pin of chip U6, and the other end is connected to the seventh pin of chip U6 and GND. One end of self-resetting fuse P5 is connected to the seventh pin of chip U6, and the other end is connected to B. One end of self-resetting fuse P6 is connected to the sixth pin of chip U6, and the other end is connected to A. The first pin of chip U6 is connected to RXD, the fourth pin is connected to TXD, the eighth pin is connected to VCC, and the fifth pin is connected to GND. One end of capacitor C40 is connected to VCC, and the other end is connected to GND. The positive electrode of capacitor C41 is connected to VCC, and the negative electrode is connected to GND. One end of capacitor C42 is connected to +3.3V, and the other end is connected to GND. One end of capacitor C43 is connected to +3.3V, and the other end is connected to GND. One end of capacitor C43 is connected to +3.3V, and the other end is connected to GND. One end of capacitor C43 is connected to +3.3V, and the other end is connected to GND. One end of capacitor C44 is connected to +3.3V, and the other end is connected to GND. One end of capacitor C45 is connected to +3.3V, and the other end is connected to GND. The positive electrode of capacitor C46 is connected to +3.3V, and the negative electrode is connected to GND. One end of capacitor C47 is connected to +3.3V, and the other end is connected to GND. The first pin of chip U8 is connected to GND, the third pin is connected to VCC, the fourth pin and the second pin are connected to +3.3V. One pin of connector J25 is connected to A, and the second pin is connected to B. One pin of connector J26 is connected to A, and the second pin is connected to B.

[0038] The first pin of the chip U7 is connected with +3.3V, the second pin is connected with PC13, the third pin is connected with PC14, the fourth pin is connected with PC15, the fifth pin is connected with OSCIN, the sixth pin is connected with OSCOUT, the seventh pin is connected with RST, the eighth pin is connected with GND, the ninth pin is connected with +3.3V, the tenth pin is connected with PA0, the eleventh pin is connected with PA1, the twelfth pin is connected with PA2, the thirteenth pin is connected with PA3, the fourteenth pin is connected with PA4, the fifteenth pin is connected with PA5, the sixteenth pin is connected with PA6, the seventeenth pin is connected with PA7, the eighteenth pin is connected with PB0, the nineteenth pin is connected with PB1, the twentieth pin is connected with PB2, the twenty-first pin is connected with PB10, the twenty-second pin is connected with PB11, the twenty-third pin is connected with GND, the twenty-fourth pin is connected with +3.3V, the twenty-fifth pin is connected with PB12, the twenty-sixth pin is connected with PB13, the twenty-seventh pin is connected with PB14, the twenty-eighth pin is connected with PB15, the twenty-ninth pin is connected with PA8, the thirtieth pin is connected with TXD, the thirty-first pin is connected with RXD, the thirty-second pin is connected with PA11, the thirty-third pin is connected with PA12, the thirty-fourth pin is connected with JTMS, the thirty-fifth pin is connected with GND, the thirty-sixth pin is connected with +3.3V, the thirty-seventh pin is connected with JTCK, the thirty-eighth pin is connected with JTDI, the thirty-ninth pin is connected with JTDO, the fortieth pin is connected with JNTRST, the forty-first pin is connected with PB5, the forty-second pin is connected with PB6, the forty-third pin is connected with PB7, the forty-fourth pin is connected with BOOT0, the forty-fifth pin is connected with PB8, the forty-sixth pin is connected with PB9, the forty-seventh pin is connected with GND, the forty-eighth pin is connected with +3.3V; one end of the resistor R54 is connected with GND, and the other end is connected with BOOT0.

[0039] The one end of resistor R75 is connected with PC13, the other end is connected with the positive pole of LED lamp L9, the negative pole of L9 is connected with GND. The one end of resistor R74 is connected with +3.3V, the other end is connected with RST. The one end of capacitor C39 is connected with RST, the other end is connected with GND. The one end of resistor R74 is connected with OSCOUT, the other end is connected with OSCIN. The one end of crystal oscillator E1 is connected with OSCOUT, the other end is connected with OSCIN. The one end of capacitor C48 is connected with OSCOUT, the other end is connected with GND. The one end of capacitor C49 is connected with OSCIN, the other end is connected with GND. The positive pole of capacitor C51 is connected with VCC1, the negative pole is connected with GND1. The one end of capacitor C52 is connected with VCC1, the other end is connected with GND1. The first pin of DC-DC module DC / DC2 is connected with VCC1, the second pin is connected with GND1. The sixth pin is connected with VCC, the fourth pin is connected with GND, the fifth pin is left floating. The first and second pins of J27 are connected with +3.3V, the third pin is connected with JNTRST, the fourth pin is connected with RST, the fifth pin is connected with JTDI, the sixth pin is connected with JTDO, the seventh pin is connected with JTMS, the eighth pin is left floating, the ninth pin is connected with JTCK, the tenth pin is connected with GND. The first pin of connector J28 is connected with GND, the second pin is connected with PB5. The first pin of connector J29 is connected with GND, the second pin is connected with PB6. The first pin of connector J30 is connected with GND, the second pin is connected with PB7.

[0040] The one end of resistor R49 is connected with +3.3V, the other end is connected with PB11. The one end of resistor R51 is connected with +3.3V, the other end is connected with PB10. The one end of resistor R55 is connected with +3.3V, the other end is connected with PB2. The one end of resistor R58 is connected with +3.3V, the other end is connected with PB1. The one end of resistor R62 is connected with +3.3V, the other end is connected with PB0. The one end of resistor R65 is connected with +3.3V, the other end is connected with PA7. The one end of resistor R68 is connected with +3.3V, the other end is connected with PA6. The one end of resistor R69 is connected with +3.3V, the other end is connected with PA5. The one end of resistor R70 is connected with +3.3V, the other end is connected with PA4. The one end of resistor R72 is connected with +3.3V, the other end is connected with PA3. The one end of resistor R73 is connected with +3.3V, the other end is connected with PA2. The one end of resistor R52 is connected with +3.3V, the other end is connected with PA12. The one end of resistor R56 is connected with +3.3V, the other end is connected with PB15. The one end of resistor R59 is connected with +3.3V, the other end is connected with PA8. The one end of resistor R63 is connected with +3.3V, the other end is connected with PB14. The one end of resistor R66 is connected with +3.3V, the other end is connected with PB13.

[0041] One end of resistor R28 is connected to the second pin of optocoupler IC3, and the other end is connected to GND. One end of resistor R29 is connected to the first pin of optocoupler IC3, and the other end is connected to AC-IA. One end of resistor R30 is connected to the second pin of optocoupler IC4, and the other end is connected to GND. One end of resistor R31 is connected to the first pin of optocoupler IC4, and the other end is connected to AC-UA. One end of resistor R32 is connected to the second pin of optocoupler IC5, and the other end is connected to GND. One end of resistor R33 is connected to the first pin of optocoupler IC5, and the other end is connected to DC-IA. One end of resistor R34 is connected to the second pin of optocoupler IC6, and the other end is connected to GND. One end of resistor R35 is connected to the first pin of optocoupler IC6, and the other end is connected to DC-UA. One end of resistor R37 is connected to the second pin of optocoupler IC7, and the other end is connected to GND. One end of resistor R38 is connected to the first pin of optocoupler IC7, and the other end is connected to AC-IB. One end of resistor R40 is connected to the second pin of optocoupler IC8, and the other end is connected to GND. One end of resistor R41 is connected to the first pin of optocoupler IC8, and the other end is connected to AC-UB. One end of resistor R43 is connected to the second pin of optocoupler IC9, and the other end is connected to GND. One end of resistor R44 is connected to the first pin of optocoupler IC9, and the other end is connected to DC-IB. One end of resistor R46 is connected to the second pin of optocoupler IC10, and the other end is connected to GND. One end of resistor R47 is connected to the first pin of optocoupler IC10, and the other end is connected to DC-UB. One end of resistor R48 is connected to the second pin of optocoupler IC11, and the other end is connected to GND. One end of resistor R50 is connected to the first pin of optocoupler IC11, and the other end is connected to AC-IC. One end of resistor R53 is connected to the second pin of optocoupler IC12, and the other end is connected to GND. One end of resistor R57 is connected to the first pin of optocoupler IC12, and the other end is connected to AC-UC. One end of resistor R60 is connected to the second pin of optocoupler IC13, and the other end is connected to GND. One end of resistor R61 is connected to the first pin of optocoupler IC13, and the other end is connected to DC-IC. One end of resistor R64 is connected to the second pin of optocoupler IC14, and the other end is connected to GND. One end of resistor R67 is connected to the first pin of optocoupler IC14, and the other end is connected to DC-UC. The third pin of optocoupler IC3 is connected to GND, and the fourth pin is connected to PB13. The third pin of optocoupler IC4 is connected to GND, and the fourth pin is connected to PB11. The third pin of optocoupler IC5 is connected to GND, and the fourth pin is connected to PB10. The third pin of optocoupler IC6 is connected to GND, and the fourth pin is connected to PB2. The third pin of optocoupler IC7 is connected to GND, and the fourth pin is connected to PB1. The third pin of optocoupler IC8 is connected to GND, and the fourth pin is connected to PB0. The third pin of optocoupler IC9 is connected to GND, and the fourth pin is connected to PA7. The third pin of optocoupler IC10 is connected to GND, and the fourth pin is connected to PA6. The third pin of optocoupler IC11 is connected to GND, and the fourth pin is connected to PA5. The third pin of optocoupler IC12 is connected to GND, and the fourth pin is connected to PA4. The third pin of optocoupler IC13 is connected to GND, and the fourth pin is connected to PA3. The third pin of optocoupler IC14 is connected to GND, and the fourth pin is connected to PA2.

[0042] As Figure 5 ,Figure 6 The power supply circuit

[0043] The power supply circuit is composed of DF104 rectifier bridge BG1, BG2, BG3, electrolytic capacitor C1, C3, C5, C7, C9, C13, C15, C17, C19; capacitor C2, C4, C6, C8, C10, C12, C14, C16, C18, C20; 7805 chip V1, 7815 chip V2, 7915 chip V3, 7815 chip V4, 7915 chip V5, resistor R1, R2, R3, R4, R5; LED lamp L1, L2, L3, L4, L5 connector S1, S2, S3, S4.

[0044] The four pins of BG1 are connected with +5V-01, +5V-02, GND and the first pin of chip V1 respectively, the positive electrode of capacitor C1 is connected with the first pin of chip V1, the other end is connected with GND, one end of capacitor C2 is connected with the first pin of chip V1; the positive electrode of capacitor C3 is connected with the second pin of chip V1, the other end is connected with GND, one end of capacitor C4 is connected with the second pin of chip V1, the other end is connected with GND; the second pin of power supply chip V1 is connected with GND, the third pin is connected with +5V.

[0045] The four pins of BG2 are connected with +15V-01, -15V-01, the first pin of chip V2 and the second pin of chip V3 respectively; the positive electrode of capacitor C5 is connected with the first pin of chip V2, the other end is connected with 15V-MGND, one end of capacitor C4 is connected with the first pin of chip V2, the other end is connected with 15V-MGND, the positive electrode of capacitor C7 is connected with the third pin of chip V2, the other end is connected with 15V-MGND, one end of capacitor C8 is connected with the third pin of chip V2, the other end is connected with 15V-MGND, the second pin of chip V2 is connected with 15V-MGND, the third pin is connected with +15V; the positive electrode of capacitor C9 is connected with 15V-MGND, the other end is connected with the second pin of chip V3, one end of capacitor C10 is connected with 15V-MGND, the other end is connected with the second pin of chip V3, the positive electrode of capacitor C11 is connected with 15V-MGND, the other end is connected with the third pin of chip V3, one end of capacitor C12 is connected with the second pin of chip V3, the other end is connected with 15V-MGND, the first pin of chip V3 is connected with 15V-MGND, the third pin is connected with -15V.

[0046] The four pins of BG3 are connected to the first pin of chip V4 and the second pin of chip V5 of VDD-01 and VBB-01, respectively; the positive terminal of capacitor C13 is connected to the first pin of chip V4, and the other end is connected to 15V-MGND; one end of capacitor C14 is connected to the first pin of chip V4, and the other end is connected to 15V-MGND; the positive terminal of capacitor C15 is connected to the third pin of chip V4, and the other end is connected to 15V-MGND; one end of capacitor C16 is connected to the third pin of chip V4, and the other end is connected to 15V-MGND; the second pin of chip V4 is connected to MGND, and the third pin is connected to VDD; the positive terminal of capacitor C17 is connected to 15V-MGND, and the other end is connected to the second pin of chip V5; one end of capacitor C18 is connected to 15V-MGND, and the other end is connected to the second pin of chip V5; the positive terminal of capacitor C19 is connected to 15V-MGND, and the other end is connected to the third pin of chip V5; one end of capacitor C20 is connected to 15V-MGND, and the other end is connected to the third pin of chip V5; the second pin of chip V5 is connected to MGND, and the third pin is connected to VSS.

[0047] Resistor R1 is connected to +15V at one end and to the positive terminal of LED L1 at the other end. The negative terminal of L1 is connected to MGND. Resistor R2 is connected to VDD at one end and to the positive terminal of LED L2 at the other end. The negative terminal of L2 is connected to MGND at one end and to the positive terminal of LED L3 at the other end. The negative terminal of L3 is connected to -15V. Resistor R4 is connected to MGND at one end and to the positive terminal of LED L4 at the other end. The other end of L4 is connected to VSS. Resistor R5 is connected to +5V at one end and to the positive terminal of LED L5 at the other end. The negative terminal of L5 is connected to GND.

[0048] Connector S1: Pin 1 connected to MGND, Pin 2 connected to VGND; Connector S2: Pin 1 connected to GND, Pin 2 connected to VGND; Connector S3: Pins 1-4 connected to VDD-01, Pins 5-8 connected to VSS-01, Pins 9-10-11-12 connected to 15V-MGND, Pins 13-14-15-16 connected to +15V-01, Pins 17-18-19-20 connected to -15V-01, Pins 21-24 connected to +5V-01, Pins 25-26 connected to VSS-01. Pins 27 and 28 are connected to +5V-02, and pins 29 and 30 are left floating; for connector S4, pins 1, 2, 3, and 4 are connected to +5V, pins 5, 6, 7, and 8 are connected to GND, pins 9, 10, 11, and 12 are connected to -15V, pins 13, 14, 15, and 16 are connected to MGND, pins 17, 18, 19, and 20 are connected to +15V, pins 21, 22, 23, and 24 are connected to VSS, pins 25, 26, 27, and 28 are connected to VDD, and pins 29, 30, 31, and 32 are left floating.

[0049] like Figure 7 , Figure 8 The communication unit shown

[0050] The communication unit circuit is composed of resistors R6, R7, R8, R9, R10, R11, R2, R13, R14, R15, R16, R17; capacitors C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30; self-recovery fuses P1, P2; 232 chip U1; 485 chip U2; MAX706SESA chip U1; 9011 triode Q1; photoelectric coupler IC1, IC2; diode D1 and connectors J1, J2, J3.

[0051] One end of resistor R6 is connected to LCDRXD, and the other end is connected to the fourteenth pin of chip U3. One end of resistor R7 is connected to LCDTXD, and the other end is connected to the thirteenth pin of chip U3. One end of capacitor C24 is connected to the first pin of chip U3, and the other end is connected to the third pin of chip U3. One end of capacitor C21 is connected to the fifth pin of chip U3, and the other end is connected to the fourth pin of chip U3. One end of capacitor C22 is connected to the sixteenth pin of chip U3, and the other end is connected to GND. One end of capacitor C23 is connected to the sixth pin of chip U3, and the other end is connected to the fifteenth pin of chip U3. One end of capacitor C25 is connected to the sixteenth pin of chip U3, and the other end is connected to the second pin of chip U3. The eleventh pin of chip U3 is connected to TXD3, and the twelfth pin is connected to RXD3. The eighth pin, the tenth pin and the fifteenth pin are connected to GND. The second pin of connector J2 is connected to LCDTXD, the third pin is connected to LCDRXD, the fifth pin is connected to AGND, the ninth pin is connected to +15V, the thirteenth pin and the fourteenth pin are connected to 485A, the sixteenth pin and the seventeenth pin are connected to 485B, and the remaining pins are left floating.

[0052] One end of the resistor R13 is connected to the PCTXD, the other end is connected to the self-recovery fuse P1, the other end of P1 is connected to the fourteenth pin of the chip U1, one end of the resistor R14 is connected to the PCTXD, the other end is connected to the self-recovery fuse P2, the other end of P2 is connected to the thirteenth pin of the chip U1, the first pin of the diode D1 is connected to the fourteenth pin of the chip U1, the second pin is connected to the thirteenth pin of the chip U1, the third pin is connected to the GND1, one end of the capacitor C26 is connected to the first pin of the chip U1, the other end is connected to the third pin of the chip U1, one end of the capacitor C27 is connected to the fifth pin of the chip U1, the other end is connected to the fourth pin of the chip U1, one end of the capacitor C28 is connected to the sixteenth pin of the chip U1, the other end is connected to the second pin of the chip U1, one end of the capacitor C29 is connected to the sixth pin of the chip U1, the other end is connected to the fifteenth pin of the chip U1, the sixteenth pin of the chip U1 is connected to the VCC1, the fifteenth pin is connected to the GND1, the eleventh pin of the chip U1 is connected to the sixth pin of the optocoupler IC1, the twelfth pin of the chip U1 is connected to the third pin of the optocoupler IC2, one end of the resistor R8 is connected to the sixth pin of the optocoupler IC1, the other end is connected to the VCC1, one end of the resistor R14 is connected to +5V, the other end is connected to the second pin of the optocoupler IC1. The fifth pin of the optocoupler IC1 is connected to the GND1, the eighth pin is connected to the VCC1, the third pin is connected to the first pin of the chip U2; one end of the resistor R12 is connected to the VCC1, the other end is connected to the second pin of the optocoupler IC2, one end of the resistor R9 is connected to +5V, the other end is connected to the sixth pin of the optocoupler IC2, the eighth pin of the optocoupler IC2 is connected to +5V, the fifth pin is connected to 5VG, the sixth pin is connected to the fourth pin of the chip U2. One end of the resistor R11 is connected to the base of the transistor Q1, the other end is connected to the sixth pin of the optocoupler IC2, one end of the resistor R10 is connected to +5V, the other end is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is connected to 5VG, the collector is connected to the second and third pins of the chip U2. The fifth pin of the chip U2 is connected to 5CG, the sixth pin is connected to A1, the seventh pin is connected to B1, the eighth pin is connected to +5V.

[0053] The second pin of the connector J1 is connected to PCTXD, the third pin is connected to PCRXD, the fifth and fourteenth pins are connected to GND1, the eleventh pin is connected to HCTXD, the twelfth pin is connected to HCRXD, and the remaining pins are left floating. The first and second pins of the connector J3 are connected to GND1, the third and fourth pins are connected to VCC1, the fifth, sixth, seventh and eighth pins are connected to GND, the ninth, tenth, eleventh and twelfth pins are connected to VCC, the thirteenth and fourteenth pins are connected to VDD33, the fifteenth and sixteenth pins are connected to TX1, the seventeenth and eighteenth pins are connected to RX1, the nineteenth pin is connected to P0, the twentieth pin is connected to P1, the twenty-first pin is connected to P2, the twenty-second pin is connected to P3, the twenty-third and twenty-fourth pins are connected to TXD4, the twenty-fifth and twenty-sixth pins are connected to RXD4, the twenty-seventh and twenty-eighth pins are connected to PB8, the twenty-ninth and thirtieth pins are connected to IEPB9, the thirty-first and thirty-second pins are connected to TXD3, the thirty-third and thirty-fourth pins are connected to RXD3, the thirty-fifth and thirty-sixth pins are connected to TXD2, the thirty-seventh and thirty-eighth pins are connected to RXD2, the forty-fifth and forty-sixth pins are connected to AGND, the forty-seventh and forty-eighth pins are connected to +15V, and the remaining pins are left floating.

[0054] Display unit

[0055] The main HMT070ATA-9C touch screen is produced by Shenzhen Top Micro Technology Development Co., Ltd.

[0056] As shown in Figure 9 , Figure 10 , Figure 11 The intelligent gateway unit

[0057] The main components are a core switching circuit board and a D-3568 mainboard produced by Guangzhou Kandam Intelligent Technology Co., Ltd.

[0058] The core board switching circuit board is composed of a 232 chip U4, a 485 chip U5, H11L1 optocouplers T1 and T2, resistors R18 to R27, capacitors C31 to C39, connectors J4 to J20, J22 and J23, a DC-DC module DC / DC1, LED lamps LED6 and LED7, an 8050 triode Q2, self-resetting fuses P3 and P4, diodes D2 and D3, and an Android mainboard J21.

[0059] One end of capacitor C35 is connected to the first pin of chip U4, and the other end is connected to the third pin of chip U4; one end of capacitor C37 is connected to the fifth pin of chip U4, and the other end is connected to the fourth pin of chip U4; one end of capacitor C36 is connected to the sixteenth pin of chip U4, and the other end is connected to the second pin of chip U4; one end of capacitor C38 is connected to the sixth pin of chip U4, and the other end is connected to the fifteenth pin of chip U4; the fourteenth pin of chip U4 is connected to kongyuan-RXD, the thirteenth pin is connected to kongyuanTXD, the fifteenth pin is connected to GND, the eleventh pin is connected to the fourth pin of optocoupler T1, and the twelfth pin is connected to the second pin of optocoupler T2; one end of resistor R18 is connected to +5V, and the other end is connected to the fourth pin of optocoupler T1; one end of resistor R19 is connected to the first pin of optocoupler T1, and the other end is connected to VCC; the sixth pin of optocoupler T1 is connected to +5V, the fifth pin is connected to DG0, the second pin is connected to the first pin of connector J4, and the second pin of connector J4 is connected to TXD1. One end of resistor R20 is connected to +5V, and the other end is connected to the first pin of optocoupler T2; one end of resistor R21 is connected to VCC, and the other end is connected to the fourth pin of optocoupler T2; the sixth pin of optocoupler T2 is connected to VCC, the fifth pin is connected to GND, the first pin of connector J6 is connected to the fourth pin of connector J6, the second pin of connector J6 is connected to RXD1, the first pin of connector J5 is connected to DG0, the second pin is connected to kongyuan-RXD, the third pin is connected to kongyuan-TXD, and the fourth pin is left unconnected.

[0060] One end of capacitor C31 is connected to VCC and the other end is connected to GND; one end of capacitor C32 is connected to VCC and the other end is connected to GND, the first pin of DC-DC module DC / DC1 is connected to VCC, the second pin is connected to GND, the third pin is connected to +5V, and the fourth pin is connected to DG0; the positive pole of capacitor C33 is connected to +5V and the negative pole is connected to DG0, one end of capacitor C34 is connected to +5V and the other end is connected to DG0; one end of resistor R22 is connected to +5V, the positive pole of LED lamp LED6 is connected to the other end, and the negative pole of LED6 is connected to DG0; one end of resistor R23 is connected to VCC and the positive pole of LED lamp LED7 is connected to the other end, and the negative pole of LED7 is connected to GND; one end of resistor R24 is connected to VCC and the collector of 8050 triode Q2 is connected to the other end, one end of resistor R25 is connected to the second pin of connector J22 and the other end is connected to the base of 8050 triode, the emitter of 8050 triode is connected to GND, and the collector is connected to the second and third pins of chip U5; the first pin of connector J22 is connected to TXD4; the first pin of connector J24 is connected to RXD4, and the second pin is connected to the first pin of chip U5; one end of capacitor C39 is connected to VCC and the other end is connected to GND; one end of resistor R26 is connected to the seventh pin of chip U5 and the other end is connected to GND, one end of resistor R27 is connected to the sixth pin of chip U5 and the other end is connected to VCC; one end of diode D3 is connected to the seventh pin of chip U5 and the other end is connected to the sixth pin of chip U5, one end of diode D2 is connected to the sixth pin of chip U5 and the other end is connected to the seventh pin of chip U5 and the other end is connected to GND, one end of self-resetting fuse P3 is connected to the seventh pin of chip U5 and the other end is connected to B2; one end of self-resetting fuse P4 is connected to the sixth pin of chip U5 and the other end is connected to A2.

[0061] J21 is an Android motherboard; the first pin of connector J11 is connected to -12V, the second pin is left empty, and the third pin is connected to +12V, the first and fourth pins of connector J12 are left empty, the second pin is connected to CAN-L, and the third pin is connected to CAN-H; the first and fourth pins of connector J13 are left empty, the second pin is connected to 485A, and the third pin is connected to 485B; the first and fourth pins of connector J14 are left empty, the second pin is connected to A2, and the third pin is connected to B2; the first pin of connector J18 is connected to CAN-L, the third pin is connected to CAN-H, and the second pin is left empty; the first pin of connector J19 is connected to 485A, the third pin is connected to 485B, and the second pin is left empty; the first pin of connector J20 is connected to A2, the second pin is left empty, and the third pin is connected to B2; the first pin of connector J7 is connected to BZB-GND, the second pin is connected to BZB-RX, the third pin is connected to BZB-TX, and the fourth pin is left empty; the first pin of connector J8 is connected to WC-GND, the second pin is connected to WC-RX, the third pin is connected to WC-TX, and the fourth pin is left empty; the first pin of connector J15 is connected to the first pin of connector J16, which is connected to WK-1, the second pin of connector J15 is connected to the second pin of connector J16, which is connected to WK-2, the third pin of connector J15 is connected to the third pin of connector J16, which is connected to WK-3, the fourth pin of connector J15 is connected to the fourth pin of connector J16, which is connected to WK-4, the fifth pin of connector J15 is connected to the fifth pin of connector J16, which is connected to WK-5, the sixth pin of connector J15 is connected to the sixth pin of connector J16, which is connected to WK-6, the seventh pin of connector J15 is connected to the seventh pin of connector J16, which is connected to WK-7, and the eighth pin of connector J15 is connected to the eighth pin of connector J16, which is connected to WK-8; the second pin of connector J17 is connected to WC-RX, the third pin is connected to WC-TX, the fifth pin is connected to WC-GND, the eleventh pin is connected to BZB-RX, the twelfth pin is connected to BZB-TX, the fourteenth pin is connected to BZB-GND, and the remaining pins are left empty.The first pin of connector J9 is connected to the first pin of connector J10, which is connected to HDMI-1. The second pin of connector J9 is connected to the second pin of connector J10, which is connected to HDMI-2. The third pin of connector J9 is connected to the third pin of connector J10, which is connected to HDMI-3. The fourth pin of connector J9 is connected to the fourth pin of connector J10, which is connected to HDMI-4. The fifth pin of connector J9 is connected to the fifth pin of connector J10, which is connected to HDMI-5. The sixth pin of connector J9 is connected to the sixth pin of connector J10, which is connected to HDMI-6. The seventh pin of connector J9 is connected to the seventh pin of connector J10, which is connected to HDMI-7. The eighth pin of connector J9 is connected to the eighth pin of connector J10, which is connected to HDMI-8. The ninth pin of connector J9 is connected to the ninth pin of connector J10, which is connected to HDMI-9. The tenth pin of connector J9 is connected to the tenth pin of connector J10, which is connected to HDMI-10. The eleventh pin of connector J9 is connected to the eleventh pin of connector J10, which is connected to HDMI-11. The twelfth pin of connector J9 is connected to the twelfth pin of connector J10, which is connected to HDMI-12. The thirteenth pin of connector J9 is connected to the thirteenth pin of connector J10, which is connected to HDMI-13. The fourteenth pin of connector J9 is connected to the fourteenth pin of connector J10, which is connected to HDMI-14. The fifteenth pin of connector J9 is connected to the fifteenth pin of connector J10, which is connected to HDMI-15. The sixteenth pin of connector J9 is connected to the sixteenth pin of connector J10, which is connected to HDMI-16. The seventeenth pin of connector J9 is connected to the seventeenth pin of connector J10, which is connected to HDMI-17. The eighteenth pin of connector J9 is connected to the eighteenth pin of connector J10, which is connected to HDMI-18. The nineteenth pin of connector J9 is connected to the nineteenth pin of connector J10, which is connected to HDMI-19. The pins of connector J23a1 and b1 are connected to -12V, the pins of a2 and b2 are connected to +12V, the pins of a3 and b3 are connected to VCC, the pins of a4 and b4 are connected to GND, the pins of a5 and b5 are connected to VDD33, the pins of a6 and b6 are connected to TXD1, the pins of a7 and b7 are connected to RXD1, the pins of a8 and b8 are connected to 485A, the pins of a9 and b9 are connected to 485B, the pins of a10 and b10 are connected to TXD4, the pins of a11 and b11 are connected to RXD4, and the remaining pins are left unconnected.

[0062] The advantages of the technical solution of the present application are as follows:

[0063] Efficiency: Real-time data collection and rapid data processing improve the efficiency of testing.

[0064] Accuracy: Advanced computing techniques and algorithms ensure the accuracy of test results.

[0065] Intelligence: Remote monitoring and control support enable intelligent management of power grid equipment.

[0066] High compatibility and scalability: Facilitates the connection and expansion of different devices, meeting the needs of various application scenarios.

[0067] Security and reliability: The security and reliability of the device are ensured through the trusted security module and fault self-diagnosis function.

[0068] Improve product development efficiency: Rich interfaces and scalability allow developers to quickly implement various functions, shorten product development cycle. Multi-operating system support provides developers with flexible development environment, facilitating quick familiarization and hands-on. Reduce product power consumption: High-performance external storage interface and low-power processor design enable products to significantly reduce power consumption in actual application, prolong battery life.

Claims

1. An intelligent electrical measurement gateway device for use in an electricity meter calibration environment, characterized in that, The device comprises an information acquisition unit, a communication unit, and an intelligent gateway unit. The information acquisition unit is connected to the equipment in the electric meter calibration environment and is used to acquire calibration equipment data. The communication unit is connected to the information acquisition unit and the intelligent gateway unit and is used to interact data and instructions between the intelligent gateway unit and the information acquisition unit. The intelligent gateway unit is connected to the communication unit and the host computer and is used to aggregate data and send it to the host computer.

2. The smart electrical meter gateway device for an electrical meter calibration environment of claim 1, wherein, The device further comprises a power supply circuit used to supply power to the communication unit and the intelligent gateway unit.

3. The smart electrical meter gateway device for an electrical meter calibration environment of claim 1, wherein, The device further comprises a display unit comprising a touch screen.

4. The smart electrical meter gateway device for an electrical meter calibration environment of claim 1, wherein, The communication unit supports serial ports, Ethernet, micro-power wireless, carrier communication, and 4G / 5G communication interfaces.

5. The smart electrical meter gateway device for an electrical meter calibration environment of claim 1, wherein, The calibration equipment comprises a power source and an error instrument.