Sorting device for dismantled acquisition terminal

Abstract

The invention provides a sorting device for a dismantled acquisition terminal. The sorting device is used for testing all hardware channels and basic functions of the dismantled acquisition terminal. The device comprises a main control computer used for issuing a control instruction to a function test cabinet and receiving and processing detection data from the function test cabinet; the power supply cabinet is used for providing voltage, current and time reference signals for the function test cabinet; the function test cabinet comprises a station connection unit which is used for placing an acquisition terminal. The system further comprises a plurality of detection units such as an image acquisition unit, an electric energy metering detection unit, a data acquisition detection unit and the like which are respectively used for performing multi-aspect detection on the acquisition terminals placed at the station connection units according to a control instruction of the main control computer and voltage, current and time reference signals provided by the power supply cabinet, so as to obtain detection data, then detection data are sent to the main control computer, and a sorting conclusion is determined; and the label printing unit is used for printing a sorting conclusion and pasting the sorting conclusion to the acquisition terminal.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent measurement, in particular to a disassembled collection terminal sorting device. BACKGROUND

[0002] The collection terminal is a device responsible for the collection of electric energy information at each information collection point, data management, data transmission, and execution or forwarding of control commands issued by the main station. According to the application site, it can be divided into substation collection terminals, special transformer collection terminals, public transformer collection terminals, and low-voltage centralized meter reading terminals (including low-voltage concentrators and low-voltage collectors).

[0003] Currently, due to collection terminal failures, version upgrades, business changes, and operation errors, State Grid and China Southern Power Grid disassemble about 2 million intelligent collection terminals of various types each year. With the application of new business scenarios in the new power system, the number of disassembled intelligent collection terminals is still increasing. In addition, the number of disassembled collection terminals in each network and province is large, and a large number of disassembled collection terminals still have the function of running on site after technical detection.

[0004] However, the existing collection terminal full-performance detection device can only achieve partial detection, but focuses on testing various software functions of the collection terminal, and the detection time is too long. The hardware configuration, operation process, background software, detection items, and detection result judgment method do not meet the management requirements of sorting, and cannot cover all sorting detection items of disassembled collection terminals, and cannot be applied to the sorting operation of disassembled collection terminals.

[0005] Therefore, in view of the above problems, it is urgent to develop a new disassembled collection terminal sorting device. SUMMARY

[0006] The embodiment of the present application provides a disassembled collection terminal sorting device, which realizes testing of all hardware channels and basic functions of the disassembled collection terminal, quickly identifies hardware and function faults of the disassembled collection terminal, and classifies and disposes the disassembled collection terminal according to fault types and management requirements.

[0007] To achieve the above purpose, the present application adopts the following technical solutions:

[0008] In a first aspect, the present application provides a disassembled collection terminal sorting device, which comprises a host computer, a power cabinet, a function test cabinet, and a control and communication service unit.

[0009] The host computer is connected to the function test cabinet through the control and communication service unit, and is used to issue control instructions to the function test cabinet and receive and process detection data from the function test cabinet.

[0010] A power cabinet is connected with the function test cabinet, and the power cabinet comprises a three-phase program-controlled source, a three-phase standard meter and a standard time base source, and is used for providing voltage, current and time reference signals for the function test cabinet;

[0011] The function test cabinet comprises a work station connection unit, an image acquisition unit, an electric energy metering detection unit, a data acquisition detection unit, a control function detection unit, a data transmission detection unit, a loop inspection detection unit and a label printing unit.

[0012] The work station connection unit is used for placing the acquisition terminal to perform function test on the acquisition terminal.

[0013] The image acquisition unit, the electric energy metering detection unit, the data acquisition detection unit, the control function detection unit, the data transmission detection unit and the loop inspection detection unit are respectively used for performing appearance, metering function, data acquisition function, control function, data transmission function and loop state inspection function detection on the acquisition terminal placed in the work station connection unit according to the control instruction of the host computer and the voltage, current and time reference signals provided by the power cabinet, obtaining detection data, and sending the detection data to the host computer to determine the sorting conclusion.

[0014] The label printing unit is used for printing the sorting conclusion and pasting the sorting conclusion to the acquisition terminal.

[0015] In a possible design, the work station connection unit comprises voltage and current connection pins and weak current terminal connection probes.

[0016] The work station connection unit determines the terminal type by scanning code recognition.

[0017] According to the terminal type, the adapted relay control board is automatically switched, and the voltage and current connection pins and the weak current terminal connection probes adapted to the terminal type are selected.

[0018] In a possible design, the image acquisition unit comprises an industrial camera and a light source.

[0019] The image acquisition unit photographs the acquisition terminal by using the industrial camera and the light source to obtain an acquisition terminal image, and analyzes the backlight, the pulse indicator light and the running indicator light of the acquisition terminal by using an image recognition algorithm according to the acquisition terminal image to obtain an appearance detection conclusion of the acquisition terminal.

[0020] In a possible design, the electric energy metering detection unit comprises a photoelectric acquisition module, a Bluetooth acquisition module and an error plate.

[0021] A photoelectric acquisition module or a Bluetooth acquisition module is configured to receive a clock pulse generated by the acquisition terminal according to a voltage or current signal output by the three-phase program-controlled source and output the clock pulse to the error board, wherein the selection of the photoelectric acquisition module and the Bluetooth acquisition module depends on the type of the acquisition terminal;

[0022] The error board is configured to determine a daily timing error between the clock pulse and a standard pulse provided by a standard time base source, and further obtain a detection conclusion of an electric energy metering function of the acquisition terminal.

[0023] In a possible design, the device of the first aspect further includes that the electric energy metering detection unit further includes a voltage circuit loop detection module configured to determine whether the acquisition terminal has a voltage loop short circuit or a current loop open circuit, and further determine a voltage short circuit and current open circuit conclusion of the acquisition terminal.

[0024] In a possible design, the device of the first aspect further includes that the data acquisition detection unit includes an analog meter, an 8-way remote signaling detection module, a 4-way pulse detection module, and an alternating current analog quantity detection module.

[0025] The analog meter is configured to receive a meter reading command issued by the acquisition terminal, and reply to a corresponding message according to the meter reading command, and further obtain a detection conclusion of an electric energy meter data acquisition function of the acquisition terminal.

[0026] The 8-way remote signaling detection module is configured to simulate remote signaling access and disconnection states, switch the remote signaling access and disconnection states, and compare the states with states collected by the acquisition terminal, and further obtain a detection conclusion of a state quantity acquisition function of the acquisition terminal.

[0027] The 4-way pulse detection module is configured to simulate a pulse signal with a preset frequency and a preset duty cycle, compare an average power of a pulse channel of the acquisition terminal with a power obtained theoretically according to the pulse signal with the preset frequency and the preset duty cycle, and further obtain a detection conclusion of a pulse quantity acquisition function of the acquisition terminal.

[0028] The alternating current analog quantity detection module is configured to obtain a detection conclusion of an alternating current analog quantity acquisition function of the acquisition terminal according to a voltage and a current output by the three-phase program-controlled source, and a voltage, a current, an active power, a reactive power, and a power factor collected by the acquisition terminal.

[0029] In a possible design, the device of the first aspect further includes that the control function detection unit includes a control loop detection instrument configured to monitor whether the acquisition terminal performs a corresponding pole opening or closing or loop disconnection operation when the acquisition terminal issues a pole opening instruction or a pole closing instruction or a control loop disconnection instruction under an instruction issued by the host computer, and further obtain a detection conclusion of a control function of the acquisition terminal.

[0030] If the collection terminal does not have a control function, the control function detection unit does not perform detection work.

[0031] In a possible design, the device of the first aspect further includes that the data transmission detection unit includes an RS-232 communication module, an RS-485 communication module, an infrared communication module, a Bluetooth communication module, a CAN communication module, an Ethernet communication module, and a dual-analog virtual local communication module; the host computer issues instructions one by one to perform communication tests of each communication module and the collection terminal, and then obtains a test conclusion of each communication function of the collection terminal.

[0032] In a possible design, the device of the first aspect further includes that the loop inspection detection unit includes a loop state standard impedance box, which is used to receive a loop state instruction issued by the host computer, perform corresponding loop state simulation, and compare with a loop state detected by the collection terminal, and then obtain a detection conclusion of a loop state inspection function of the collection terminal.

[0033] The loop state instruction includes a TA secondary loop normal connection instruction, a TA secondary loop open circuit instruction, a TA secondary terminal shunt instruction, a TA primary shunt instruction, and a TA loop series connection rectifier device instruction; and if the collection terminal does not have a loop state inspection function, the loop inspection detection unit does not perform detection work.

[0034] In a possible design, the device of the first aspect further includes that the number of the function test cabinets is at least one.

[0035] In the embodiments of the present application, by disassembling the image collection unit, the electric energy metering detection unit, the data collection detection unit, the control function detection unit, the data transmission detection unit, the loop inspection detection unit, and other detection units in the collection terminal sorting device, all hardware channels and basic functions of the disassembled collection terminal are tested, so that the hardware and function faults of the disassembled collection terminal can be quickly identified, and the disassembled collection terminal can be disposed as qualified in storage, to be repaired, or to be scrapped according to the fault type and management requirements, thereby facilitating the reuse in the later stage.

[0036] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0038] Figure 1A structure schematic view of the sorting device of the collection terminal provided by the embodiment of the present application is provided.

[0039] Figure 2 A structure schematic view of the image collection unit provided by the embodiment of the present application is provided.

[0040] Figure 3 A structure schematic view of the electric energy metering detection unit provided by the embodiment of the present application is provided.

[0041] Figure 4 A structure schematic view of the data collection detection unit provided by the embodiment of the present application is provided.

[0042] Figure 5 A structure schematic view of the control function detection unit provided by the embodiment of the present application is provided.

[0043] Figure 6 A structure schematic view of the data transmission detection unit provided by the embodiment of the present application is provided.

[0044] Figure 7 A structure schematic view of the loop inspection detection unit provided by the embodiment of the present application is provided. DETAILED DESCRIPTION

[0045] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0046] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work under the premise that the scope of protection of the present application.

[0047] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0048] In the description of the embodiments of the present specification, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed, and are only for the convenience of describing the present specification and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present specification. In addition, the terms "first", "second", "third" and the like appear only to distinguish the description and cannot be understood as indicating or implying relative importance.

[0049] In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, they do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0050] In the description of the embodiments of the present specification, it should also be noted that unless otherwise explicitly specified and limited, if the terms "arrangement", "installation", "connection", "connection" appear, they should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present specification can be understood according to the specific circumstances.

[0051] The sorting device for the disassembly and collection terminal of the present application will be described in detail below. The device is designed to test all hardware channels and basic functions of the disassembly and collection terminal, quickly identify hardware and functional faults of the disassembly and collection terminal, and classify and dispose the disassembly and collection terminal according to fault types and management requirements.

[0052] Figure 1 The structure diagram of the sorting device for the disassembly and collection terminal provided by the embodiments of the present application is shown in FIG. 1. Figure 1 As shown in the figure, the sorting device for the disassembly and collection terminal includes a host computer, a power cabinet, a function test cabinet, and a control and communication service unit.

[0053] The host computer is connected to the function test cabinet through the control and communication service unit, and is used to issue control instructions to the function test cabinet and receive and process detection data from the function test cabinet;

[0054] The power cabinet is connected to the function test cabinet, and the power cabinet includes a three-phase program-controlled source, a three-phase standard meter and a standard time base source, which are used to provide voltage, current and time reference signals for the function test cabinet;

[0055] The function test cabinet comprises a work station connection unit, an image acquisition unit, an electric energy metering detection unit, a data acquisition detection unit, a control function detection unit, a data transmission detection unit, a loop inspection detection unit and a label printing unit.

[0056] The work station connection unit is used for placing the acquisition terminal to perform function test on the acquisition terminal.

[0057] The image acquisition unit, the electric energy metering detection unit, the data acquisition detection unit, the control function detection unit, the data transmission detection unit and the loop inspection detection unit are respectively used for detecting the appearance, the metering function, the data acquisition function, the control function, the data transmission function and the loop state inspection function of the acquisition terminal placed in the work station connection unit according to the control instruction of the host computer and the voltage, the current and the time reference signal provided by the power supply cabinet, obtaining detection data, and sending the detection data to the host computer to determine the sorting conclusion.

[0058] The label printing unit is used for printing the sorting conclusion and pasting it to the acquisition terminal.

[0059] It should be noted that the host computer is provided with control software, which issues control instructions to the function test cabinet and receives and processes detection data from the function test cabinet. In addition, the host computer can be connected to a smart metering industrial control platform to control the host computer to issue detection tasks and receive and store detection data uploaded by the host computer.

[0060] It should be further noted that the above function test cabinet is not only one, but supports simultaneous detection of multiple acquisition terminals. Figure 1

[0061] In addition, the specific indicators of the above-mentioned three-phase program-controlled power supply are as follows: voltage range: 3x57.7V-380V; current range: 3x0.3mA-3x50A; adjustment range: continuously adjustable within 0-120% of each range, adjustment fineness 0.01%; waveform distortion: ≤0.3% (non-capacitive load); stability: <0.05% (120s); maximum output capacity: not less than 40VA per phase per work station; with voltage, current, phase, frequency, power and other output functions, response time less than 1s. The above-mentioned three-phase standard meter has an accuracy level of 0.05, and an annual variation of ≤300ppm. It can simultaneously measure and display voltage (V), current (A), active power (W), reactive power (Var), frequency (Hz), power factor (PF), phase angle (θ), apparent power (S) and the like. The above-mentioned standard time base source has a standard frequency meter output frequency of ≥100KHz, a stability of ≤5x10-8, and a maximum allowable error of ±0.05s / d.

[0062] ​In the embodiment, the above-mentioned work station connection unit comprises voltage and current connection pins and weak terminal connection probes.

[0063] The work station connection unit determines the terminal type through code scanning recognition.

[0064] According to the terminal type, the work station connection unit automatically switches to the adaptive relay control board and selects the voltage and current connection pins and weak terminal connection probes adaptive to the terminal type.

[0065] The voltage and current connection pins meet the safety operation requirements of the continuous overcurrent input test, and the weak terminal connection probes should realize the requirement of completing all function tests through one-time crimping.

[0066] It should be further noted that the terminal connection of the work station connection unit should be compatible with type I concentrators, type III special transformer terminals, intelligent fusion terminals of transformer areas, and energy controllers. The work station connection unit is internally configured with a relay control board to realize the switching of the terminal connection of various collection terminals and support the control through the command mode to realize the compatibility of multiple types of collection terminals. In addition, the work station connection unit can expand the terminal connection through the adapter line to support type I and type II special transformer terminals and support the expansion of the table position to be compatible with type II concentrators. In other words, the work station connection unit changes the compatible scheme according to different types of terminals and places various types of terminals.

[0067] In the embodiment, as shown in Figure 2 the above-mentioned image acquisition unit comprises an industrial camera and a light source.

[0068] The image acquisition unit uses the industrial camera and the light source to take pictures of the collection terminal to obtain the collection terminal image, and then uses the image recognition algorithm to analyze the backlight, pulse indicator light, and running indicator light of the collection terminal according to the collection terminal image to obtain the appearance detection conclusion of the collection terminal.

[0069] The above-mentioned industrial camera is an industrial camera meeting the GigE Vision 2.0 standard, with 6000 pixels or more. The camera light source power is independent, the spectrum uses white light, and the brightness adjustment supports program control.

[0070] In addition, in addition to using the image recognition algorithm, the detection of terminal appearance damage, connection terminal damage, terminal burning, display failure, indicator light failure, and black screen failure can also be realized by manual work, and recorded to the host computer for later comprehensive consideration to obtain the sorting conclusion.

[0071] In the embodiment, as shown in Figure 3 the above-mentioned electric energy measurement detection unit comprises a photoelectric acquisition module, a Bluetooth acquisition module, and an error plate.

[0072] A photoelectric acquisition module or a Bluetooth acquisition module is configured to receive a clock pulse generated by the acquisition terminal according to a voltage or current signal output by the three-phase program-controlled source and output the clock pulse to the error board. The selection of the photoelectric acquisition module and the Bluetooth acquisition module depends on the type of the acquisition terminal. For example, when the type of the acquisition terminal is a type I concentrator or a type III special transformer terminal or a smart fusion terminal for a transformer area, the photoelectric acquisition module is used. When the type of the acquisition terminal is an energy controller, the Bluetooth acquisition module is used. The actual situation is determined, and no specific limitation is made herein.

[0073] The error board is configured to determine a daily timing error between the clock pulse and a standard pulse provided by a standard time base source according to the clock pulse and the standard pulse, and further obtain a detection conclusion of an electric energy metering function of the acquisition terminal.

[0074] The determination criterion of the daily timing error is whether the 24-hour cumulative deviation is greater than 0.5 seconds, or can be formulated according to the actual situation, and no limitation is made herein.

[0075] It should be noted that the error board can directly determine the daily timing error between the clock pulse and the standard pulse, and further obtain the detection conclusion of the electric energy metering function of the acquisition terminal. The daily timing error between the clock pulse and the standard pulse can also be determined and uploaded to the host computer. The host computer obtains the detection conclusion of the electric energy metering function of the acquisition terminal by judging. Both the above two forms can be used, and no specific limitation is made herein.

[0076] In addition, the above data of each unit or sub-module of each unit in the application is uploaded to the host computer through any communication channel or multiple communication channels of the data transmission detection unit, and no further description is given. In addition, the communication channel specifically includes types, which can be referred to the introduction of the data transmission detection unit below.

[0077] As shown in Figure 3 , the electric energy metering detection unit further includes a voltage circuit loop detection module configured to determine whether the acquisition terminal has a voltage loop short circuit or a current loop open circuit, and further determine a voltage short circuit and current open circuit conclusion of the acquisition terminal.

[0078] In the embodiment, as shown in Figure 4 , the above data acquisition detection unit includes an analog meter, an 8-way remote signaling detection module, a 4-way pulse detection module, and an alternating current analog quantity detection module.

[0079] The analog meter is configured to receive a meter reading command sent by the acquisition terminal, and reply to a corresponding message according to the meter reading command, and further obtain a detection conclusion of an electric energy meter data acquisition function of the acquisition terminal.

[0080] It should be noted that the above analog table is accessed by the RS-485 communication module of the data transmission detection unit to collect the terminal, and the analog table receives the meter reading command sent by the collection terminal, and replies to the corresponding message according to the meter reading command, and determines whether the collection terminal can normally send the meter reading command and whether the content of the accurate analog table can be read, so as to obtain the detection conclusion of the electric energy meter data collection function of the collection terminal.

[0081] 8-way remote signaling detection module, for simulating remote signaling access and disconnection state, and switching remote signaling access and disconnection state, and comparing with the state collected by the collection terminal, and then obtaining the detection conclusion of the state quantity collection function of the collection terminal.

[0082] 4-way pulse detection module, for simulating pulse signals with preset frequency and preset duty cycle, and comparing the average power of the pulse channel of the collection terminal with the power obtained according to the preset frequency and preset duty cycle of the pulse signal, and then obtaining the detection conclusion of the pulse quantity collection function of the collection terminal.

[0083] Among them, the above-mentioned 8-way remote signaling detection module and the above-mentioned 4-way pulse detection module can directly compare the process, or the content collected by the above-mentioned collection terminal and the simulated content are given to the host computer, and the host computer compares and obtains the conclusion.

[0084] AC analog quantity detection module, for obtaining the detection conclusion of the AC analog quantity collection function of the collection terminal according to the voltage and current matched by the collection terminal controlled by the three-phase program control source, and the voltage, current, active power, reactive power and power factor collected by the collection terminal.

[0085] It should be noted that the AC analog quantity detection module can not be directly set, and the host computer can directly compare the voltage and current matched by the collection terminal controlled by the three-phase program control source, and the voltage, current, active power, reactive power and power factor collected by the collection terminal, to obtain the detection conclusion of the AC analog quantity collection function of the collection terminal.

[0086] In this embodiment, as shown in Figure 5 The control function detection unit includes a control loop detector, which is used to monitor whether the collection terminal performs the corresponding pull-out or close or loop disconnection operation when the host computer issues the pull-out command or close command or control loop disconnection command issued by the collection terminal, and then obtains the detection conclusion of the control function of the collection terminal.

[0087] Among them, if the collection terminal does not have control function, the control function detection unit does not perform detection work.

[0088] It should be noted that the above control loop detector communicates with the host computer through the PS2 interface or other communication modes, which is not limited.

[0089] In this embodiment, as shown in Figure 6 The data transmission detection unit includes an RS-232 communication module, an RS-485 communication module, an infrared communication module, a Bluetooth communication module, a CAN communication module, an Ethernet communication module, and a dual-analog virtual local communication module. The host computer issues instructions one by one to test the communication between each communication module and the collection terminal, and then obtains the test conclusion of the communication functions of the collection terminal.

[0090] In addition, other communication modules can be added for testing according to actual conditions, which is not limited here.

[0091] For example, the data transmission detection unit performs the following tests:

[0092] (1) Send a read calendar clock command through the RS-485 channel. If the collection terminal does not respond within 5 seconds, mark "RS-485 communication failure";

[0093] (2) Send a read calendar clock command through the RS-232 channel. If the collection terminal does not respond within 5 seconds, mark "RS-232 communication failure";

[0094] (3) Send a read calendar clock command through the infrared channel. If the collection terminal does not respond within 5 seconds, mark "infrared communication failure";

[0095] (4) Connect to the collection terminal through the Bluetooth channel. If the connection fails or the communication does not respond, mark "Bluetooth communication failure";

[0096] (5) The collection terminal sends a meter reading command to the virtual meter through the CAN channel. After the virtual meter responds, it is determined whether the collection terminal collects the virtual meter data through the CAN channel;

[0097] (6) Set the Ethernet host communication parameters of the collection terminal. The collection terminal should be able to log in to the host test software. The software sends a read calendar clock command through the Ethernet channel. If the terminal is not online or the read command does not respond within 5 seconds after it is online, mark "Ethernet communication failure";

[0098] (7) Set the wireless public network host communication parameters of the collection terminal. The collection terminal should be able to log in to the host test software. The software sends a read calendar clock command through the wireless public network channel. If the terminal is not online or the read command does not respond within 5 seconds after it is online, mark "wireless public network communication failure".

[0099] In this embodiment, as shown in Figure 7As shown, the above-mentioned loop inspection detection unit includes a loop state standard impedance box, which is used to receive the loop state instruction issued by the host computer, perform corresponding loop state simulation, and compare with the loop state detected by the collection terminal, and then obtain the detection conclusion of the loop state inspection function of the collection terminal.

[0100] The loop state instruction includes TA secondary loop normal connection instruction, TA secondary loop open circuit instruction, TA secondary terminal shunt instruction, TA primary shunt instruction and TA loop series rectifier device instruction, and if the collection terminal does not have loop state inspection function, the loop inspection detection unit does not perform detection work, and the unit is short-circuited.

[0101] In the embodiment, the above-mentioned label printing unit is configured with a printer to print the sorting conclusion obtained by the host computer summarizing the test results of each unit. Specifically, the sorting conclusion can be presented in the form of a two-dimensional code or a bar code, and the detailed sorting conclusion can be obtained by scanning and identifying, including terminal ID, detection time, fault description, disposal conclusion, inspection personnel, etc. In addition, the disposal conclusion includes qualified in stock, to be repaired, to be scrapped, and the to-be-repaired can be used again after later maintenance, the qualified in stock can be used directly, and the to-be-scrapped is directly processed.

[0102] It should be noted that the embodiment can complete the full-item sorting of the collection terminal within 30 minutes through multi-unit cooperative detection, the fault positioning accuracy is 98%, the compatible detection of 6 types of devices such as type I / type III special transformer terminal and energy controller is supported, the sorting efficiency is more than 5 times higher than that of manual sorting, and the data is uploaded to the intelligent metering industrial control platform in real time to realize full-process tracing.

[0103] In summary, the embodiment of the application detects the image acquisition unit, the electric energy metering detection unit, the data acquisition detection unit, the control function detection unit, the data transmission detection unit, the loop inspection detection unit, etc. in the disassembled collection terminal sorting device, tests all hardware channels and basic functions of the disassembled collection terminal, quickly identifies the hardware and function faults of the disassembled collection terminal, and can dispose the disassembled collection terminal into qualified in stock, to be repaired, and to be scrapped according to the fault type and management requirements, so as to facilitate later reuse.

[0104] Those skilled in the art will understand that the above discussion of any embodiment is only exemplary and is not intended to limit the scope of the disclosure (including claims) to these examples; under the idea of the present application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in detail.

[0105] Embodiments of the application are intended to embrace all such alterations, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any one or more features of a given embodiment are not mandatory except where the claims expressly state otherwise.

Claims

1. A sorting device for dismantled collection terminals, characterized in that, The device includes: a main control unit, a power supply cabinet, a functional test cabinet, and a control and communication service unit; The main control unit is connected to the functional test cabinet through the control and communication service unit, and is used to send control commands to the functional test cabinet, as well as receive and process test data from the functional test cabinet; The power supply cabinet is connected to the functional test cabinet. The power supply cabinet includes a three-phase programmable source, a three-phase standard meter, and a standard time base source, which are used to provide voltage, current, and time reference signals to the functional test cabinet. The functional test cabinet includes a workstation connection unit, an image acquisition unit, an energy metering and testing unit, a data acquisition and testing unit, a control function testing unit, a data transmission testing unit, a circuit inspection and testing unit, and a label printing unit. The workstation connection unit is used to place the data acquisition terminal for functional testing of the data acquisition terminal. The image acquisition unit, the power metering detection unit, the data acquisition detection unit, the control function detection unit, the data transmission detection unit, and the loop inspection detection unit are respectively used to detect the appearance, metering function, data acquisition function, control function, data transmission function, and loop status inspection function of the acquisition terminal placed in the workstation connection unit according to the control instructions of the main controller and the voltage, current, and time reference signals provided by the power cabinet, obtain the detection data, and then send the detection data to the main controller to determine the sorting conclusion; The label printing unit is used to print the sorting results and paste them onto the data collection terminal.

2. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The workstation connection unit includes voltage and current connection pins and low-voltage terminal connection probes; The workstation connection unit determines the terminal type by scanning a code; Based on the terminal type, automatically switch to the appropriate relay control board and select the voltage and current connection pins and weak point terminal connection probes that are compatible with the terminal type.

3. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The image acquisition unit includes an industrial camera and a light source; The image acquisition unit uses the industrial camera and light source to take pictures of the acquisition terminal to obtain an image of the acquisition terminal. Then, based on the image of the acquisition terminal, it uses an image recognition algorithm to analyze the backlight, pulse indicator light and operation indicator light of the acquisition terminal to obtain an appearance inspection conclusion of the acquisition terminal.

4. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The power metering and detection unit includes a photoelectric acquisition module, a Bluetooth acquisition module, and an error board; The photoelectric acquisition module or the Bluetooth acquisition module is used to receive the clock pulse generated by the acquisition terminal based on the voltage or current signal output by the three-phase programmable source, and output the clock pulse to the error board. The selection of the photoelectric acquisition module and the Bluetooth acquisition module depends on the type of the acquisition terminal. The error board is used to determine the daily timing error between the clock pulse and the standard pulse based on the clock pulse and the standard pulse provided by the standard time base source, and then to draw the detection conclusion of the power metering function of the acquisition terminal.

5. The dismantling and sorting device for the collection terminal according to claim 4, characterized in that, The power metering and detection unit also includes a voltage circuit loop detection module, which is used to determine whether the acquisition terminal has a voltage loop short circuit or a current loop open circuit, and then determine the conclusion that the acquisition terminal has a voltage short circuit or a current open circuit.

6. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The data acquisition and detection unit includes an analog meter, an 8-channel remote signaling detection module, a 4-channel pulse detection module, and an AC analog quantity detection module; The simulated meter is used to receive the meter reading command sent by the acquisition terminal, and reply with a corresponding message according to the meter reading command, thereby obtaining the detection conclusion of the energy meter data acquisition function of the acquisition terminal. The 8-channel remote signaling detection module is used to simulate remote signaling access and disconnection states, switch between remote signaling access and disconnection states, and compare the state with the state collected by the acquisition terminal to obtain the detection conclusion of the state quantity acquisition function of the acquisition terminal. The four-channel pulse detection module is used to simulate pulse signals with preset frequency and preset duty cycle, and compare them with the average power of the pulse channel of the acquisition terminal and the power theoretically obtained based on the pulse signal with preset frequency and preset duty cycle, so as to draw the detection conclusion of the pulse quantity acquisition function of the acquisition terminal. The AC analog quantity detection module is used to derive the detection conclusion of the AC analog quantity acquisition function of the acquisition terminal based on the voltage and current matched by the acquisition terminal controlled by the three-phase programmable source, as well as the voltage, current, active power, reactive power, and power factor acquired by the acquisition terminal.

7. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The control function detection unit includes a control loop detector, which is used to monitor whether the acquisition terminal performs the corresponding switch-off, switch-on, or control loop disconnection operation when the main controller issues an instruction to the acquisition terminal to issue a switch-off command, switch-on command, or control loop disconnection command, and then obtains the detection conclusion of the control function of the acquisition terminal. If the acquisition terminal does not have a control function, the control function detection unit will not perform the detection work.

8. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The data transmission detection unit includes an RS-232 communication module, an RS-485 communication module, an infrared communication module, a Bluetooth communication module, a CAN communication module, an Ethernet communication module, and a dual-analog virtual local communication module. The main control unit issues instructions to perform communication tests between each communication module and the acquisition terminal one by one, thereby obtaining the test conclusions of various communication functions of the acquisition terminal.

9. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The loop inspection and detection unit includes a loop status standard impedance box, which is used to receive loop status commands from the main control unit, perform corresponding loop status simulations, and compare them with the loop status detected by the acquisition terminal, thereby obtaining the detection conclusion of the loop status inspection function of the acquisition terminal. The circuit status commands include normal connection command for TA secondary circuit, open circuit command for TA secondary circuit, current shunting command for TA secondary terminal, current shunting command for TA primary circuit, and command for TA circuit to be connected in series with rectifier equipment. Furthermore, if the acquisition terminal does not have a circuit status inspection function, the circuit inspection and detection unit will not perform the inspection work.

10. The dismantling and sorting device for the collection terminal according to claim 1, characterized in that, The number of functional test cabinets is at least one.

Images