CN112595917A - Automatic detection table capable of flexibly adapting to different power equipment - Google Patents
Automatic detection table capable of flexibly adapting to different power equipment Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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Abstract
The invention discloses an automatic detection table capable of being flexibly adapted to different power equipment, which comprises an upper computer control system, a relay protection tester, a test table main screen and a multifunctional interface table, wherein the upper computer control system is respectively connected with the relay protection tester, the test table main screen and power equipment to be tested, the test table main screen is also connected with the relay protection tester and the multifunctional interface table, the multifunctional interface table is also connected with the power equipment to be tested, and the multifunctional interface table adopts a fixed rack or a plug. Compared with the prior art, the invention improves the application range of the automatic detection platform of the power equipment and improves the test efficiency of the power equipment.
Description
Technical Field
The invention relates to the technical field of testing equipment in the power industry, in particular to an automatic detection table capable of flexibly adapting to different power equipment.
Background
The power industry currently puts higher and higher requirements on the reliability of power secondary relay protection equipment. Because the design of electric power secondary equipment is complicated, most functions are hidden in the inside realization, consequently, can't carry out the function detection to it through the comparatively simple convenient mode in outside, but need carry out the function detection to it through test instrument.
At present, according to a conventional tester, personnel are required to wire terminals of relay protection equipment one by one according to a drawing, the whole process requires personnel to perform operation of the tester, and data reading, verification, matching, parameter reading, issuing and other operations are performed, so that the workload is very large, various error operations are easy to occur, and results such as detection result errors, equipment damage, burning of the tester and the like are caused. In addition, the requirement for personnel in the test process is high, the test is carried out by professional personnel with high water accumulation level, and the test needs to be familiar with different devices of different manufacturers.
Although some manufacturers design automatic detection tables, different relay protection product types of equipment of different manufacturers have different external terminal interfaces, different terminal definitions and different internal logics, so that the detection tables can only correspondingly test corresponding appointed products of the manufacturers, and when different equipment is tested, the point table configuration and parameter change are required to be carried out again, and different products of different manufacturers cannot be subjected to large-area adaptive test.
Disclosure of Invention
The invention mainly aims to provide an automatic detection table capable of being flexibly adapted to different electric power equipment, and aims to improve the application range of the automatic detection table for the electric power equipment and improve the test efficiency of the electric power equipment.
In order to achieve the purpose, the invention provides an automatic detection table capable of being flexibly adapted to different power equipment, which comprises an upper computer control system, a relay protection tester, a test table main screen and a multifunctional interface table, wherein the upper computer control system is respectively connected with the relay protection tester, the test table main screen and the power equipment to be tested, the test table main screen is also connected with the relay protection tester and the multifunctional interface table, the multifunctional interface table is also connected with the power equipment to be tested, and the multifunctional interface table adopts a fixed table frame or a plug.
The further technical scheme of the invention is that the upper computer control system comprises a control terminal, and a printer, a code scanning gun and a switch which are connected with the control terminal, wherein the control terminal is also respectively connected with the relay protection tester, the test board main screen and the to-be-tested power equipment.
The further technical scheme of the invention is that the relay protection tester can output at least three AC0-10A alternating voltages, at least three AC0-110V alternating voltages and one DC voltage, and is connected to the main screen of the test bench through a test connecting line.
According to a further technical scheme, the main screen of the test board comprises a test core unit, the test core unit is in communication connection with the control terminal, is electrically connected with the relay protection tester and is connected with the multifunctional interface board through side-by-side binding wires.
The further technical scheme of the invention is that the test core unit comprises 32 test boards, and the external terminal of each test board is designed by 2 22PIN phoenix terminals.
The further technical scheme of the invention is that the test pin of the external terminal of each test board is a pin connected with the external device to be tested.
The technical scheme of the invention is that the external terminal of each test board comprises a pin Uac, a pin Uacn, a pin Iac and a pin Iacn, the pin Uac and the pin Uacn are connected with the phase A and the phase N of the alternating current output port of the relay protection tester, and the pin Iac and the pin Iacn are connected with the phase A and the phase N of the alternating current output port of the relay protection tester and used for providing alternating current voltage for the whole test platform.
The technical scheme of the invention is that the external terminal of each test board further comprises a pin plate/remote signaling power supply + and a pin plate/remote signaling power supply +, which are used for providing an operating power supply for the whole test board and a remote signaling power supply for the whole test board.
The further technical scheme of the invention is that the external terminal of each test board comprises pins 485_ A and 485_ B, which are used for establishing 485 communication connection with the control terminal.
The further technical scheme of the invention is that each test board comprises a double-bus function selection part, a test pin outlet part, a core CPU part, a power supply part, a 485 communication part, an opening part and a plate hard address part, wherein the double-bus function selection part, the test pin outlet part, the power supply part, the 485 communication part, the opening part and the plate hard address part are all connected with the core CPU part.
The automatic detection table capable of being flexibly adapted to different power equipment has the advantages that:
1. the problem that manual wiring is needed when power equipment is detected in batches in the prior art, wiring workload is large, and errors are easy to occur is solved; the problem of large workload work such as the addition of a detection instrument, the verification of data, the recording of an experimental result and the like is required to be carried out by personnel in the whole process during the test;
2. the problem that the interface in the prior art cannot be flexibly matched with equipment of different manufacturers is solved; the problem that the wiring of the test bench and even the internal plate needs to be changed every time of switching is caused;
3. the problem that when any one of the test plates is damaged due to different design drawings of the test plates of the test bench in the prior art, immediate maintenance is needed, and the rest of the vacant plate positions cannot be directly used for testing is solved;
4. the problem that in the prior art, configuration, templates and test logic are required to be independently configured when equipment brands are replaced every time, and the configuration and the test logic cannot be directly called is solved. A great deal of effort is required for personnel;
5. the problem of among the prior art tester need higher skill level, can't accomplish fool's operation is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a block diagram of an exemplary embodiment of an automated inspection station for flexibly adapting to different electrical devices;
FIG. 2 is a schematic diagram of a test core cell;
FIG. 3 is a diagram illustrating the definition of the external terminals of the test board;
FIG. 4 is a schematic view of the internal structure of the test board;
FIG. 5 is a schematic diagram of a relay for measuring a telemetry link to a bus;
FIG. 6 is a schematic diagram of a relay measuring AC voltage hanging to bus + and bus-;
FIG. 7 is a schematic diagram of a relay for exit hanging bus + or bus-;
FIG. 8 is a schematic diagram of a core CPU portion;
FIG. 9 is a schematic diagram of a power supply portion;
FIG. 10 is a schematic diagram of the 485 communication portion;
FIG. 11 is a schematic view of an opening detection section;
FIG. 12 is a schematic view of a hard address portion of a plate;
FIG. 13 is a schematic view of an interface terminal plate;
fig. 14 is a schematic view of a terminal interface.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 14, the present invention provides an automatic detection table flexibly adaptable to different power devices, and a preferred embodiment of the automatic detection table flexibly adaptable to different power devices includes an upper computer control system, a relay protection tester, a test table main screen, and a multifunctional interface table, wherein the upper computer control system is respectively connected to the relay protection tester, the test table main screen, and the power device to be tested, the test table main screen is further connected to the relay protection tester and the multifunctional interface table, and the multifunctional interface table is further connected to the power device to be tested. The multifunctional interface table adopts a fixed rack or a plug.
The upper computer control system comprises a control terminal, a printer, a code scanning gun and a switch, wherein the printer, the code scanning gun and the switch are connected with the control terminal, and the control terminal is further connected with the relay protection tester, the test board main screen and to-be-tested power equipment respectively.
The relay protection tester can output at least three AC0-10A alternating voltages, at least three AC0-110V alternating voltages and one DC voltage, and is connected to the main screen of the test bench through a test connecting line.
The main screen of the test board comprises a test core unit, the test core unit is in communication connection with the control terminal, is electrically connected with the relay protection tester and is connected with the multifunctional interface board through side-by-side binding wires.
The test core unit comprises 32 test boards, and the external terminal of each test board is designed by 2 22PIN phoenix terminals.
The test pins of the external terminals of each test board are pins connected with the external tested device.
The external terminal of each test board comprises a pin Uac, a pin Uacn, a pin Iac and a pin Iacn, the pin Uac and the pin Uacn are connected with the phase A and the phase N of the alternating current output port of the relay protection tester, and the pin Iac and the pin Iacn are connected with the phase A and the phase N of the alternating current output port of the relay protection tester and used for providing alternating voltage for the whole test platform.
The external terminal of each test board also comprises a pin plate/remote signaling power supply + and a pin plate/remote signaling power supply +, which are used for providing a running power supply for the whole test board and a remote signaling power supply for the whole test board.
The external terminal of each test board further comprises pins 485_ A and 485_ B, and the pins 485_ A and 485_ B are used for establishing 485 communication connection with the control terminal.
Each test board comprises a double-bus function selection part, a test foot outlet part, a core CPU part, a power supply part, a 485 communication part, an opening part and a plate hard address part, wherein the double-bus function selection part, the test foot outlet part, the power supply part, the 485 communication part, the opening part and the plate hard address part are all connected with the core CPU part.
The structure and the working principle of the automatic detection table which can be flexibly adapted to different electric power equipment are explained in detail below.
The automatic detection table which can be flexibly adapted to different power equipment has four functional modules: function block 1 (host computer control system), function block 2 (relay protection tester), function block 3 (testboard main screen) and function block 4 (multi-functional interface platform) are constituteed.
The function block 1 is an upper computer control system and consists of 1 PC, 1 upper computer test software and matched accessories;
the function block 2 is a relay protection testing instrument, can output high-precision alternating voltage and current to the outside, and has a short-circuit protection function;
the function block 3 is a main screen of the test board and internally contains a test board terminal 1 sleeve and a matched wiring;
the functional block 4 is a multifunctional interface table and contains terminal plugs and interfaces commonly used in the power secondary industry.
The automatic detection table capable of being flexibly adapted to different power equipment has the following overall design idea:
the function block 1 is core software of the whole automatic detection station, and is composed of functional components such as a configuration tool, a master station communication tool, a detection tool, a report generation tool and the like.
The network interface is connected with a switch and is connected with a functional block 2, and the functional block 1 controls the functional block 2 to input, withdraw and change the electric quantity by sending a control message.
The function block 1 is connected with the function block 3 through a serial port 485. The function block 3 is composed of 32 test boards with completely consistent functions, each test board has a unique and non-repetitive hardware address, and a control command is sent to the test board of the function block 3 through the serial port 485, so that the test board outputs corresponding outlets according to the control command.
The function block 1 is connected with the equipment to be tested through the network port, the 232 port and the 485 port and is used for communication.
The detection scheme is split and refined through the function block 1 to form a control logic, and after the test is started, the function block 1 sends an instruction to the function block 3 to enable the function block 3 to control the internal relay according to the instruction, so that the outlet acts. After the function block 3 operates, the function block 1 receives data of the device under test to determine whether the corresponding function of the device under test is normal.
Design of functional block 1:
1 PC: the memory is not less than 4G, the hard disk is not less than 256G, the CPU is not less than INTEL I3 processor, the display screen is provided, and the display screen has not less than 2 network ports and 6 USB ports.
Accessories are matched: the printer is 1, the high-precision code scanning gun is 1, and the switch is 1, and the model of each accessory is not limited in the embodiment.
The upper computer test software design is based on a Microsoft Visual Studio 2012 platform, and Application tool software designed and developed by Visual C # Windows Forms Application and Visual C + + MFC is used. C # program, using an image, visual and friendly interface to make a configuration file for the debugging table; VC + + program for implementing debug detect logic
The whole debugging platform consists of 4 parts:
1) configuration tool (C # production);
2) debugging tools (VC + + manufacture);
3) a communication means;
4) and recording report generation, entry and printing tools.
The debugging and detection of all terminals of the device to be detected are completed together by the program.
Configuration tool functions: and the configuration functions of the communication port, the test plate template, the test terminal attribute and the communication template are provided.
Debugging tool functions: the device provides an analog master station function, can establish communication connection based on national network standards 101 and 104 protocols with the to-be-detected product, and is used for reading and controlling data of the to-be-detected product.
At the same time, a link is established with the function block 3 through a private convention, control is sent to the function block 3, and some results of the function block 3 are read.
Meanwhile, a complete machine test execution scheme is generated by analyzing the configuration table completed by the configuration tool, and is used for pushing the function block 3 to perform subsequent function tests.
Design of functional block 2:
the relay protection tester is required to be capable of outputting not less than 3 paths of alternating current (AC0-10A), 3 paths of alternating voltage (AC0-110V) and 1 path of direct voltage (DC 0-110V). And is connected into a screen cabinet of the functional block 3 through an instrument test line.
Design of functional block 3:
the test system is composed of a test core unit (core unit for short), a screen cabinet and corresponding binding wires.
Test core units as shown in fig. 2, each may be composed of 32 test boards.
The test board design principle is as follows:
the external terminals of the test board are designed by 2 22PIN phoenix terminals, and the external terminal definition diagram of the test board is shown in figure 3.
Testing a foot: the PINs for external direct connection with the tested device are designed to be reserved with 32PIN considering that the terminal of the single-board part of the tested device is at most 32PIN at present.
Pin Uac and pin Uacn: and the A phase and the N phase of the alternating voltage output port of the functional block 2 are connected and used for providing high-precision alternating voltage for the whole test bench.
Pin Iac and pin Iacn: and the A phase and the N phase of the alternating current output port of the functional block 2 are connected and used for providing high-precision alternating current for the whole test bench.
Pin Udc + and pin Udc-: and the positive and negative of the direct current voltage output port of the functional block 2 are used for providing high-precision direct current voltage for the whole test bench.
Pin plate/telecommand power + and pin plate/telecommand power +: the test bed is used for providing an operation power supply for the whole test bed and also used for providing a remote signaling power supply for the whole test bed.
Pin 485_ a and pin 485_ B: and the 485 interface is used for establishing a 485 communication link with the functional block 1.
The test board has a structure shown in FIG. 4, and comprises double buses, a double-bus function selection part, outlet parts J1-J32, a core CPU part, a power supply part, a 485 communication part, an opening detection part and a plate hard address part.
The double-bus function selection part adopts a relay switching mode, and when a certain group of functions are needed, the bus + and the bus-are respectively lapped on the corresponding functional pins by controlling the relay. When AC voltage is needed, the JD5 and JD6 relays are controlled to act, and the bus bar + is hung on the P2-11 terminal and the bus bar-is hung on the P2-12 terminal.
J1-J32 select bus part, CPU sends command to control relay matrix, and control relay of corresponding outlet is hung to corresponding bus. The relay is hung on the bus by default. And if J1 is required to be hung on the bus bar +, controlling J1 to act.
A core CPU section: built from STM32F030 chips.
A power supply section: the wide-range input chip is used for converting DC 24V-DV 48V power into DC5V, and the DC5V is output DC3.3V to a CPU for use through a voltage stabilizing chip.
485 communication part: the chip is constructed by using a common 485 chip.
An opening detection section: the method is used for matching with the functional design of the terminal to be tested. The open detection section uses a circuit as shown in fig. 11.
Plate hard address portion: the method is realized by 6 by 2 resistance welding, different resistances are welded to be respectively connected to the ground and the power supply, and digital logic 0 and 1 are realized for the CPU, so that 2^6 ^ 64 plate hardware addresses can be provided at most.
A binding part: the 22 PINs of the terminal 1 of the test standard board and the PINs 1 to 10 of the terminal 2 are connected to the UKJ-2.5 terminal row, respectively. Wherein PIN 11-22 of terminal 2 are respectively connected to the functional bus of the whole cabinet in parallel.
Design of the functional block 4:
there are both fixed stand and flexible plug. The fixed rack consists of a support frame, a pneumatic pump and an interface terminal board; the flexible plug consists of an interface terminal board and a fixed shell.
The design scheme of the fixed rack is as follows: the device is used for testing the to-be-tested products in batches, and the to-be-tested products can be placed and fixed better.
Fixing a rack support frame: and the inclined angle of 45 degrees is used for supporting the to-be-detected product. And a sliding groove is reserved in the bottom groove position and used for fixing and finely adjusting the horizontal position of the interface terminal board so as to match the board card positions of different to-be-detected articles.
A pneumatic pump: the device is realized by using a simple hydraulic rod and is used for fixing and pushing the to-be-detected product.
Interface terminal board: the typical design is as shown in fig. 13, the plate has a front hole on the left half welded with an upper pointed pin and a back welded line on the right half, the front is used for touching the terminal of the device to be tested, and the back is used for connecting to the functional block 3.
The design scheme of the flexible plug is as follows: the fixing frame is used for sporadically testing the to-be-tested object, or the to-be-tested object is not fixed on the fixing frame well.
A housing: and the outsourcing standard plastic shell is used for fixing the interface terminal board.
Interface terminal board: as above.
The test process of the automatic detection table which can be flexibly adapted to different power equipment is as follows:
configuration of upper computer software:
1. according to the attributes of the board card terminal of the tested device, a basic board template is newly built/selected, and common templates comprise an alternating current board, an open-in board, an open-out board and a power supply board.
2. As shown in fig. 14, in the terminal interface, according to the corresponding terminal of the device under test, the terminal on the interface is double-clicked, and the terminal test definition is changed, which is performed in 3 steps:
the first step is as follows: selecting the attributes of the terminal to be tested, with current support
< unknown Property >, <,
< open terminal >, < open terminal >,
< open terminal COM >, < open terminal COM,
< open terminal >,
< open terminal COM + >),
< open terminal COM- >),
< AC voltage terminal >,
< AC voltage terminal COM >
< AC Current terminal >
< AC Current terminal COM >
< AC Current terminal >
< DC Voltage terminal >
< DC Voltage terminal COM >
The second step is that: depending on the current terminal properties, the mating terminal number is selected, as shown in fig. 14, assuming terminal 1 is set to Ua1, and its corresponding negative terminal is Un1, then terminal 4 is selected at the mating terminal.
The third step: fill in the address bits of the terminal in the point table that communicates with the master station. The address bits need only input an offset and no prefix such as 0x 4000. And repeating the steps to complete the configuration of all the boards to be tested.
3. The configuration is saved. After CRC check, the configuration is confirmed to be correct.
The AC voltage testing process comprises the following steps:
the test board sends a corresponding plate test starting instruction- > corresponds to the plate to reply to ready- > the test board sends a test terminal and a mating terminal action instruction, the test terminal instruction type alternating voltage- > corresponds to the plate to control the relay to be hung on the corresponding bus line- > outputs the alternating voltage to the external terminal- > the equipment to be tested detects the alternating voltage- > the equipment to be tested immediately transmits the alternating voltage change information to a master station tool of the test board- > whether the tool analysis data is correct- > registers the result in the test report.
The ac current test and dc voltage test processes are substantially identical to the ac voltage test, the only difference being that the type of test terminal command sent to the test station is changed to ac current and dc voltage:
remote communication launch test procedure:
the method comprises the steps that a test bench sends a corresponding plate test starting instruction- > corresponds a plate reply ready- > the test bench sends a test terminal and a matching terminal action instruction, the test terminal instruction is in a remote signaling test- > corresponds a plate control relay to be hung on a corresponding bus line- > outputs a remote signaling power source to an external terminal- > the equipment to be tested detects remote signaling displacement- > the equipment to be tested immediately transmits remote signaling change information to a master station tool of the test bench- > whether tool analysis data is correct- > registers results in a test report.
Remote control test process:
the method comprises the steps that a test bench sends a corresponding plate test starting instruction- > corresponds a plate to reply to ready- > sends a test terminal and a matching terminal action instruction, the test terminal is remotely tested in an instruction type- > corresponds a plate to control a relay to be hung on a corresponding bus- > the test bench sends an instruction to a device to be tested, the outlet action of the device to be tested is controlled- > the corresponding terminal of the test plate receives voltage change- > the test plate analyzes the voltage change to judge whether remote control execution is successful- > informs the test bench of a test result- > registers the result in a test report.
The automatic detection table capable of being flexibly adapted to different power equipment has the advantages that:
1. the problem that manual wiring is needed when power equipment is detected in batches in the prior art, wiring workload is large, and errors are easy to occur is solved; the problem of large workload work such as the addition of a detection instrument, the verification of data, the recording of an experimental result and the like is required to be carried out by personnel in the whole process during the test;
2. the problem that the interface in the prior art cannot be flexibly matched with equipment of different manufacturers is solved; the problem that the wiring of the test bench and even the internal plate needs to be changed every time of switching is caused;
3. the problem that when any one of the test plates is damaged due to different design drawings of the test plates of the test bench in the prior art, immediate maintenance is needed, and the rest of the vacant plate positions cannot be directly used for testing is solved;
4. the problem that in the prior art, configuration, templates and test logic are required to be independently configured when equipment brands are replaced every time, and the configuration and the test logic cannot be directly called is solved. A great deal of effort is required for personnel;
5. the problem of among the prior art tester need higher skill level, can't accomplish fool's operation is solved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a but automated inspection platform of different power equipment of nimble adaptation which characterized in that, includes host computer control system, relay protection tester, testboard main screen and multi-functional interface platform, wherein, host computer control system respectively with relay protection tester, testboard main screen and the examination electric power equipment that awaits measuring are connected, testboard main screen still with relay protection tester, multi-functional interface platform are connected, multi-functional interface platform still with the examination electric power equipment that awaits measuring is connected, multi-functional interface platform adopts fixed rack or plug.
2. The automatic detection table capable of flexibly adapting to different electric power equipment according to claim 1, wherein the upper computer control system comprises a control terminal, a printer, a code scanning gun and a switch, wherein the printer, the code scanning gun and the switch are connected with the control terminal, and the control terminal is further connected with the relay protection tester, the test table main screen and the electric power equipment to be tested respectively.
3. The automated inspection station of claim 2, wherein the relay protection tester is capable of outputting at least three AC0-10A AC voltages, at least three AC0-110V AC voltages and a DC voltage, and is connected to the main panel of the test station via a test connection.
4. The automatic detection table capable of being flexibly adapted to different electric power equipment according to claim 3, wherein the main screen of the detection table comprises a test core unit, the test core unit is in communication connection with the control terminal, is electrically connected with the relay protection tester and is connected with the multifunctional interface table through side-by-side binding wires.
5. The automated inspection station of claim 4, wherein the test core unit comprises 32 test boards, and the external terminals of each test board are designed by 2 22PIN phoenix terminals.
6. The automatic test station capable of flexibly adapting to different electric power equipment as claimed in claim 5, wherein the test pins of the external terminals of each test board are pins connected with the external device under test.
7. The automatic test platform capable of flexibly adapting to different electric power equipment as claimed in claim 5, wherein the external terminals of each test board comprise a pin Uac, a pin Uacn, a pin Iac and a pin Iacn, the pin Uac and the pin Uacn are connected with the A phase and the N phase of the AC voltage output port of the relay protection tester, and the pin Iac and the pin Iacn are connected with the A phase and the N phase of the AC current output port of the relay protection tester, so as to provide AC voltage for the whole test platform.
8. The automated test station of claim 5, wherein the external terminals of each test board further comprise a pin plate/remote signaling power supply + and a pin plate/remote signaling power supply + for providing both operational and remote signaling power to the entire test station.
9. The automatic test station capable of flexibly adapting to different electric devices as claimed in claim 5, wherein the external terminal of each test board comprises pins 485_ A and 485_ B for establishing 485 communication connection with the control terminal.
10. The automatic test platform capable of flexibly adapting to different electric power equipment as claimed in claim 5, wherein each test board comprises a double-bus function selection part, a test pin outlet part, a core CPU part, a power supply part, a 485 communication part, an open part and a board hard address part, wherein the double-bus function selection part, the test pin outlet part, the power supply part, the 485 communication part, the open part and the board hard address part are all connected with the core CPU part.
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| CN202011550404.XA CN112595917A (en) | 2020-12-24 | 2020-12-24 | Automatic detection table capable of flexibly adapting to different power equipment |
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| CN202011550404.XA CN112595917A (en) | 2020-12-24 | 2020-12-24 | Automatic detection table capable of flexibly adapting to different power equipment |
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