Concentrator detection device and system

Abstract

The invention discloses a concentrator detection device and system, and relates to the technical field of instrument testing, and the device comprises a testing bottom plate, a microcomputer, and an interaction device. The interaction device is used for receiving user input information, and the user input information comprises the type of the tested concentrator; the microcomputer is respectively connected with the interaction device and the test bottom plate, is connected with a pre-established server, and is used for sending the type to the server, enabling the server to generate a detection scheme of the tested concentrator according to the type, receiving the detection scheme sent by the server, and forwarding the detection scheme to the test bottom plate; and the test bottom plate is connected with the tested concentrator and is used for detecting the tested concentrator according to the detection scheme and sending a detection result to the microcomputer, so that the microcomputer controls the interaction device to display the detection result and forwards the detection result to the server. The detection device supports various detected concentrators, and detection schemes and parameters are automatically configured by the server, so that detection requirements can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of instrument testing, and in particular to a concentrator detection device and system. Background Art

[0002] The concentrator is a hub device that connects the master station system. The functions of the concentrator include: data collection, data storage, data processing and data statistics. The concentrator is mainly used for automatic data collection in low-voltage power systems and automatic meter reading in power marketing systems.

[0003] Related technologies such as Figure 2 As shown, the concentrator detection device is developed with the host computer (personal computer) as the core. The host computer is installed with test software. The test baseboard and the tested concentrator use the service serial port to send and receive data during the test process. The entire test process is for the host computer to communicate with the test baseboard (using USB and Ethernet, etc.). The host computer is the control center and data storage center of the entire concentrator detection device. The host computer is responsible for reading the detection plan, detection parameter configuration file and controlling the detection process. The detection baseboard is responsible for executing the host computer test process and detection plan to complete the detection of a single tested concentrator.

[0004] Because the concentrator has many functions and interfaces, as the demand for concentrators gradually increases, the detection solutions of related technologies cannot fully cover all detection items. The detection devices and systems are relatively complex and the detection efficiency is low, which cannot meet the production detection of concentrators. Therefore, it is necessary to design a comprehensive and efficient detection device to meet the needs of mass production. Summary of the invention

[0005] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the purpose of the present invention is to provide a concentrator detection device and system, which supports multiple concentrators to be tested, and the server automatically configures the detection scheme and parameters to meet the detection requirements.

[0006] To achieve the above-mentioned purpose, the first aspect of the present invention proposes a concentrator detection device, which includes: a test baseboard, a microcomputer, and an interactive device; wherein the interactive device is used to receive user input information, wherein the user input information includes the type of the concentrator under test; the microcomputer is connected to the interactive device and the test baseboard respectively, and is connected to a pre-built server, and is used to send the type to the server so that the server generates a detection plan for the concentrator under test according to the type, and receives the detection plan sent by the server, and forwards the detection plan to the test baseboard; the test baseboard is connected to the concentrator under test, and is used to detect the concentrator under test according to the detection plan, and send the detection result to the microcomputer, so that the microcomputer controls the interactive device to display the detection result and forwards the detection result to the server.

[0007] In addition, the concentrator detection device of the above embodiment of the present invention may also have the following additional technical features:

[0008] According to an embodiment of the present invention, the type of the concentrator under test includes at least one of: a concentrator single board, a concentrator complete machine, a concentrator local communication unit, a concentrator remote communication unit and a concentrator power module.

[0009] According to one embodiment of the present invention, the device also includes: a power supply unit, including a filter, a leakage protection switch and a switching power supply connected in sequence, the filter is used to filter the input AC voltage, the leakage protection switch is used to perform leakage protection during the detection process of the concentrator under test, and the switching power supply is connected to the test baseboard to convert the filtered AC voltage into a target DC voltage to power the test baseboard.

[0010] According to one embodiment of the present invention, the device further includes: a discharge circuit and a three-phase four-wire control board, the three-phase four-wire control board being respectively connected to the test base board, the concentrator under test and the discharge circuit, and being used to supply power to the concentrator under test after determining that the detection starts according to a detection process signal sent by the test base board, and to stop supplying power to the concentrator under test after determining that the detection fails or the detection is completed, and to discharge the voltage on the concentrator under test through the discharge circuit.

[0011] According to an embodiment of the present invention, the discharge circuit includes a cement resistor, and the cement resistor is connected to the three-phase four-wire control board.

[0012] According to one embodiment of the present invention, when the concentrator under test is the concentrator board, the device also includes: a voltage acquisition board, which is respectively connected to the test baseboard and the concentrator board, and is used to collect the voltage of each test point on the concentrator board to obtain multiple test point voltages, and send the test point voltages to the test baseboard, so that the test baseboard detects the test point voltages according to the detection scheme to determine whether the voltage acquisition function of the concentrator board is passed.

[0013] According to one embodiment of the present invention, the device further includes: an AC acquisition board, which is respectively connected to the test baseboard and the metering chip of the concentrator, and is used to collect the AC voltage and AC current of the metering chip, and send the AC voltage and the AC current to the test baseboard, so that the test baseboard detects the AC voltage and the AC current according to the detection scheme to verify whether the metering function of the metering chip is passed.

[0014] According to one embodiment of the present invention, the test baseboard includes: a test chip and multiple interfaces connected to the test chip; the multiple interfaces include an Ethernet interface, a USB interface (Universal Serial Bus), an HDMI interface (High Definition Multimedia Interface), an infrared interface, a CAN interface (Controller Area Network), a Bluetooth interface, a GPIO interface (General-purpose input / output,

[0015] The test chip is connected to the microcomputer through the Ethernet interface, the test chip is connected to the interactive device through the USB interface and the HDMI interface, and the test chip is connected to the concentrator under test through at least one of the infrared interface, CAN interface, Bluetooth interface, GPIO interface, RS485 interface, and PS2 interface.

[0016] To achieve the above-mentioned purpose, a second embodiment of the present invention proposes a concentrator detection system, including: a concentrator to be tested, a pre-built server, and the above-mentioned concentrator detection device.

[0017] In addition, the concentrator detection system of the above embodiment of the present invention may also have the following additional technical features:

[0018] According to one embodiment of the present invention, the detection system further comprises: a database and a production management platform;

[0019] The server is also connected to the database and the production management platform respectively, and is used to issue test processes and / or parameters according to the scheduling information of the production management platform, and store the obtained test results in the database.

[0020] The concentrator detection device and system of the embodiment of the present invention support a variety of concentrators to be tested, and the server automatically configures the detection scheme and parameters to meet the detection requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a structural block diagram of a concentrator detection device according to an embodiment of the present invention;

[0022] Figure 2 is a structural block diagram of a concentrator detection device according to an embodiment of the related art;

[0023] Figure 3 is a structural block diagram of a concentrator detection device according to another embodiment of the present invention;

[0024] Figure 4 is a structural block diagram of a test base plate according to an embodiment of the present invention;

[0025] Figure 5 It is a structural block diagram of a concentrator detection system according to an embodiment of the present invention. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] The following describes a concentrator detection device and system according to an embodiment of the present invention with reference to the accompanying drawings.

[0028] Figure 1 It is a structural block diagram of a concentrator detection device according to an embodiment of the present invention.

[0029] like Figure 1As shown, the concentrator detection device 100 includes: a test baseboard 101, a microcomputer 102, and an interactive device 103; wherein the interactive device 103 is used to receive user input information, wherein the user input information includes the type of the concentrator under test; the microcomputer 102 is connected to the interactive device 103 and the test baseboard 101 respectively, and is connected to a pre-built server, and is used to send the type to the server so that the server generates a detection plan for the concentrator under test according to the type, and receives the detection plan sent by the server, and forwards the detection plan to the test baseboard 101; the test baseboard 101 is connected to the concentrator under test, and is used to detect the concentrator under test according to the detection plan, and send the detection result to the microcomputer 102, so that the microcomputer 102 controls the interactive device 103 to display the detection result and forward the detection result to the server.

[0030] Specifically, the interactive device 103 can be a touch screen, the microcomputer 102 can be a Raspberry Pi, and the concentrator under test can be a State Grid Type I concentrator. The test baseboard 101 is the executive mechanism of the concentrator detection device 100, and is the core part of the concentrator detection device 100, which is used to start and shut down the test, the sequential execution of each test item and the upload of the test result, etc. The IP address (Internet Protocol) and MAC address (Media Access Control Address) of the test baseboard 101 in the local area network are unique. The microcomputer 102 is the control mechanism of the detection process of the concentrator detection device 100, which is responsible for receiving and storing the detection scheme sent by the storage server, selecting the type of the concentrator under test, saving local test records, processing the detection process and receiving the test baseboard detection results. The interactive device 103 is connected to the microcomputer 102, and is used to display the detection scheme, detection parameters, detection process data, detection results and human-computer interaction. The test baseboard 101 can be connected to the concentrator under test through a probe and a terminal block.

[0031] In this embodiment, the detection process is that the microcomputer 102 selects the type of concentrator to be tested through the interactive device 103, the server selects detection items and configuration parameters according to the type of concentrator to be tested to generate a detection plan, the server sends the detection plan to the corresponding microcomputer 102 through the IP address, the microcomputer 102 automatically sends the test plan to the test baseboard 101, the test baseboard 101 executes each detection item in the detection plan in sequence, the detection item includes the test case execution detection process, after all the detection items are detected, the detection results are uploaded to the microcomputer 102, and the detection results are forwarded to the server, the interactive device 103 receives and displays the detection results sent by the microcomputer 102.

[0032] The concentrator detection device of the embodiment of the present invention supports a variety of concentrators to be tested, and the server automatically configures the detection scheme and parameters to meet the detection requirements.

[0033] In some embodiments, the type of the concentrator under test includes: at least one of a concentrator board, a concentrator complete machine, a concentrator local communication unit, a concentrator remote communication unit, and a concentrator power module.

[0034] In some embodiments, Figure 3 As shown, the concentrator detection device 100 also includes: a power supply unit 104, including a filter 1041, a leakage protection switch 1042 and a switching power supply 1043 connected in sequence, the filter 1041 is used to filter the input AC voltage, the leakage protection switch 1042 is used to perform leakage protection during the detection of the concentrator under test, and the switching power supply 1043 is connected to the test base plate 101, and is used to convert the filtered AC voltage into a target DC voltage to power the test base plate 101.

[0035] Specifically, the filter 1041 is connected to the live wire and the neutral wire through a three-in-one switch, and the three-in-one switch is used to power on and off the concentrator detection device 100. The leakage protection switch 1042 is a protective device, which is used to cut off the power supply for safety protection when leakage occurs during the test process. The output voltage of the switching power supply 1043 can be 24V and 5V.

[0036] In some embodiments, Figure 3 As shown, the concentrator detection device 100 also includes: a discharge circuit 105 and a three-phase four-wire control board 106. The three-phase four-wire control board 106 is connected to the test base board 101, the concentrator under test and the discharge circuit 107 respectively, and is used to supply power to the concentrator under test after determining that the detection starts according to the detection process signal sent by the test base board 101, and stop supplying power to the concentrator under test after determining that the detection fails or the detection is completed, and discharge the voltage on the concentrator under test through the discharge circuit 107.

[0037] In some embodiments, Figure 3 As shown, the discharge circuit 105 includes a cement resistor 1051 , and the cement resistor 1051 is connected to the three-phase four-wire control board 105 .

[0038] Specifically, the three-phase four-wire control board 106 is used to provide 220V, 110V or 380V voltage to the concentrator under test after the test starts, and to disconnect the power supply to the concentrator under test after the test fails and the test is completed to prevent electric shock. The onboard cement resistor 1051 is used to discharge the supercapacitor on the concentrator under test (such as the concentrator power module) to provide a discharge channel.

[0039] In some embodiments, Figure 3As shown, when the concentrator under test is a concentrator board, the concentrator detection device 100 also includes: a voltage acquisition board 108, which is connected to the test baseboard 101 and the concentrator board respectively, and is used to collect the voltage of each test point on the concentrator board to obtain multiple test point voltages, and send the test point voltages to the test baseboard 101, so that the test baseboard 101 detects the test point voltages according to the detection scheme to determine whether the voltage acquisition function of the concentrator board is passed.

[0040] Specifically, the voltage acquisition board 108 can be an ADS1261 voltage acquisition board, which is used to collect the test point and terminal voltages on the concentrator board to check whether the power supply voltage of each module circuit of the concentrator board is normal (the concentrator board has many test points and needs to be expanded to use an external analog-to-digital converter for voltage acquisition).

[0041] In some embodiments, when testing the metering chip of the concentrator, the concentrator detection device 100 further includes: an AC acquisition board 109, which is respectively connected to the test baseboard 101 and the metering chip of the concentrator, and is used to collect the AC voltage and AC current of the metering chip, and send the AC voltage and AC current to the test baseboard 101, so that the test baseboard 101 detects the AC voltage and AC current according to the detection scheme to verify whether the metering function of the metering chip is passed.

[0042] Specifically, the AC acquisition board 109 communicates with the test baseboard 101 to collect AC power consumption, which is used to collect the AC voltage and AC current of the concentrator and to inspect and calibrate the concentrator metering chip.

[0043] In some embodiments, Figure 4 As shown, the test baseboard 101 includes: a test chip 110 and multiple interfaces connected to the test chip; the multiple interfaces include multiple of Ethernet interface, USB interface, HDMI interface, infrared interface, CAN interface, Bluetooth interface, GPIO interface, RS485 interface, and PS2 interface. The test chip 110 is connected to the microcomputer 102 through the Ethernet interface, the test chip 110 is connected to the interactive device 103 through the USB interface and the HDMI interface, and the test chip 110 is connected to the concentrator under test through at least one of the infrared interface, CAN interface, Bluetooth interface, GPIO interface, RS485 interface, and PS2 interface.

[0044] Specifically, Figure 4 As shown, the test chip 110 can be an AT91SAM9X25 chip, and the test baseboard 101 also includes: a power interface, an analog-to-digital conversion voltage acquisition interface, a debug serial port and a reset button, a press detection switch control interface, an RS232 interface, and an SPI interface (Serial Peripheral Interface,

[0045] Serial peripheral interface), remote signal and weakness port and power consumption test interface. Among them, the Ethernet interface can be 4-way, the RS485 interface can be 5-way, the RS232 interface can be 4-way, the SPI interface can be 4-way, and the USB interface can be 4-way.

[0046] In this embodiment, the power interface converts the 24V and 5V voltages input by the switching power supply 1043 into 12V, 5V, and 3.3V through the power management chip, and provides stable and reliable power supply voltages for the remaining circuits of the concentrator detection device 100. The AT91SAM9X25 chip is the core of the test baseboard 101. The AT91SAM9X25 chip is equipped with 256M SDRAM (Synchronous Dynamic Random Access Memory) and a large-capacity Nand FLASH storage chip. The main control chip resources are led out through a double-row pin interface and connected to the test baseboard 101. The RS485 circuit interface is used to connect the RS4851 interface and the RS4852 interface on the terminal of the concentrator under test, and detect whether the RS4851 interface and the RS4852 interface of the concentrator under test communicate normally. The analog-to-digital conversion voltage acquisition interface uses the SPI communication method to connect the voltage acquisition board 108, expands 10-way voltage acquisition, and is used to collect the test point voltage of the concentrator under test and detect whether the voltage of the concentrator under test is abnormal. Debug serial port and reset button. The debug serial port is used to print system startup information and serial port login. The reset button is used to reset the concentrator detection device 100. The RS232 interface of the test chip 110 is used to communicate with the RS232 interface of the concentrator under test. The 4-way RS232 interface is time-shared with other serial ports. The SPI interface is used to communicate with external interface circuits, such as SPI communication with the AC acquisition board 109. The PS2 interface performs serial port communication with the PS2 port of the concentrator under test to test whether the PS2 port communication of the concentrator under test is normal. The infrared interface is connected to an external infrared module to wirelessly communicate with the infrared module of the concentrator under test to test whether the infrared communication module of the concentrator under test is normal. The Bluetooth interface is connected to an external Bluetooth module to wirelessly communicate and pair with the Bluetooth module of the concentrator under test to test whether the Bluetooth communication module of the concentrator under test is normal. The CAN interface communicates with the CAN communication interface of the concentrator under test to test whether the CAN interface communication of the concentrator under test is normal. The remote signal and weak point ports are connected to the remote signal interface, pulse interface and gate node of the concentrator under test, and are used to detect the external terminal interface of the concentrator under test. The press detection switch control interface is used to control the concentrator detection device 100 to start the test. The press detection switch control interface is connected to the control switch. The press detection switch control interface is normally at a high level. When the control switch is pressed and a low level is detected, the test is started and then the detection process is executed. The Ethernet interface is connected to the Ethernet control chip and is used to perform TCP communication (Transmission Control Protocol) with the microcomputer 102 and the server. All Ethernet interfaces can be connected in a switch LAN.The USB interface of the test baseboard 101 is used to burn the system image of the test chip 110, and can communicate with the USB interface of the barcode scanner, the USB interface of the tested concentrator and the USB interface of the remote module, and supply power to the microcomputer 102 through the USB interface. The extended GPIO interface is used to connect the GPIO interface of the local communication unit and the remote communication unit of the tested concentrator, detect the GPIO input and output functions, and some GPIO interfaces are used to connect the three-phase four-wire control board 106 to control the relay switch to power on and off the tested concentrator. The power consumption test interface is used to connect the guide rail electric energy meter to test the concentrator single board and the power consumption of the whole machine. Among them, the remote module is a 4G communication module (the 4th generation mobile communication technology), the remote module is independently inserted into the concentrator, and the remote module communication interface includes: Ethernet interface, USB interface and serial interface (RS485).

[0047] In summary, the concentrator detection device of the embodiment of the present invention supports the testing of concentrator boards, concentrator metering chips, concentrator complete machines, concentrator local communication units, concentrator remote communication units and concentrator power modules, and has strong scalability and high flexibility. A microcomputer is used to replace the host computer (personal computer), and the detection device is small in size and highly portable. During batch production, there is no need to configure the detection scheme on the host computer one by one. It is only necessary to manage the IP address information of the concentrator detection device. The detection scheme and parameters of the detection device are automatically configured by the server. The detection items of the detection scheme can be flexibly configured, which reduces the maintenance cost. The server generates detection records, uniformly manages the detection data, and can be connected to the production management platform. The concentrator detection device remotely upgrades the baseboard test software and the concentrator test software through SSH (Secure Shell, Secure Shell Protocol), and performs online upgrades of the test software of multiple concentrator detection devices with one click, which is highly flexible. The concentrator detection device only needs to adapt different pin boards to switch the concentrator under test, without modifying the hardware, and the switching speed is fast.

[0048] Figure 5 It is a structural block diagram of a concentrator detection system according to an embodiment of the present invention.

[0049] like Figure 5 As shown, the concentrator detection system 500 includes: a concentrator 501 to be tested, a pre-built server 502, and the above-mentioned concentrator detection device 100.

[0050] In some embodiments, Figure 5As shown, the concentrator detection system 500 also includes: a database 503 and a production management platform 504; the server 502 is also connected to the database 501 and the production management platform 504 respectively, so that the server 502 can issue a test plan and store the obtained test results in the database.

[0051] Specifically, the database 501 is used to format and store the data sent by the server. The production management platform 504 can be directly connected to the server 502, and the production management platform 504 can access the database 501 connected to the server 502 to access the production data.

[0052] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0054] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0058] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A concentrator detection device, characterized in that: The device comprises: a test baseboard, a microcomputer, and an interactive device; wherein, The interactive device is used to receive user input information, wherein the user input information includes the type of the concentrator under test; The microcomputer is connected to the interactive device and the test baseboard respectively, and is connected to a pre-built server, and is used to send the type to the server so that the server generates a detection plan for the tested concentrator according to the type, and receives the detection plan sent by the server, and forwards the detection plan to the test baseboard; The test baseboard is connected to the concentrator under test and is used to detect the concentrator under test according to the detection scheme and send the detection result to the microcomputer so that the microcomputer controls the interactive device to display the detection result and forward the detection result to the server.

2. The concentrator detection device according to claim 1, characterized in that: The types of the concentrator under test include: at least one of a concentrator single board, a concentrator complete machine, a concentrator local communication unit, a concentrator remote communication unit and a concentrator power supply module.

3. The concentrator detection device according to claim 1, characterized in that: The device also includes: The power supply unit includes a filter, a leakage protection switch and a switching power supply connected in sequence, wherein the filter is used to filter the input AC voltage, the leakage protection switch is used to perform leakage protection during the detection process of the concentrator under test, and the switching power supply is connected to the test base plate to convert the filtered AC voltage into a target DC voltage to power the test base plate.

4. The concentrator detection device according to claim 1, characterized in that: The device also includes: A discharge circuit and a three-phase four-wire control board, wherein the three-phase four-wire control board is respectively connected to the test base board, the tested concentrator and the discharge circuit, and is used to supply power to the tested concentrator after determining that the detection starts according to the detection process signal sent by the test base board, and to stop supplying power to the tested concentrator after determining that the detection fails or the detection is completed, and discharge the voltage on the tested concentrator through the discharge circuit.

5. The concentrator detection device according to claim 4, characterized in that: The discharge circuit includes a cement resistor, and the cement resistor is connected to the three-phase four-wire control board.

6. The concentrator detection device according to claim 2, characterized in that: When the concentrator under test is the concentrator board, the device further includes: A voltage acquisition board is connected to the test baseboard and the concentrator board respectively, and is used to collect the voltage of each test point on the concentrator board to obtain multiple test point voltages, and send the test point voltages to the test baseboard, so that the test baseboard detects the test point voltages according to the detection scheme to determine whether the voltage acquisition function of the concentrator board is passed.

7. The concentrator detection device according to claim 2, characterized in that: The device also includes: An AC acquisition board is connected to the test baseboard and the metering chip of the concentrator respectively, and is used to collect the AC voltage and AC current of the metering chip, and send the AC voltage and the AC current to the test baseboard, so that the test baseboard detects the AC voltage and the AC current according to the detection scheme to verify whether the metering function of the metering chip is passed.

8. The concentrator detection device according to claim 1, characterized in that: The test baseboard includes: a test chip and multiple interfaces connected to the test chip; the multiple interfaces include multiple interfaces selected from Ethernet interface, USB interface, HDMI interface, infrared interface, CAN interface, Bluetooth interface, GPIO interface, RS485 interface, and PS2 interface; the test chip is connected to the microcomputer via the Ethernet interface; the test chip is connected to the interactive device via the USB interface and the HDMI interface; the test chip is connected to the concentrator under test via at least one of the infrared interface, CAN interface, Bluetooth interface, GPIO interface, RS485 interface, and PS2 interface.

9. A concentrator detection system, characterized in that: include: A concentrator to be tested, a pre-built server, and a concentrator detection device according to any one of claims 1-8.

10. The concentrator detection system according to claim 9, characterized in that: The detection system also includes: a database and a production management platform; The server is also connected to the database and the production management platform respectively, and is used to issue test processes and / or parameters according to the scheduling information of the production management platform, and store the obtained test results in the database.

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