On-site joint debugging device suitable for various feeder automation terminals

Abstract

The utility model discloses an on-site joint debugging device suitable for various feeder automation terminals, and the device is characterized in that an electronic analog input module, an electromagnetic analog input module, an FA debugging module, an energy storage opening and closing simulation module, an energy storage mode change-over switch, and a joint debugging mode change-over switch are all disposed on a box body; the electronic analog quantity input module is electrically connected with the electronic FTU aviation socket module, the electromagnetic analog quantity input module is electrically connected with the electromagnetic FTU aviation socket module, and the FA debugging module, the energy storage opening and closing simulation module and the energy storage mode change-over switch are electrically connected with the joint debugging mode change-over switch. The joint debugging mode change-over switch is electrically connected with the electronic FTU aviation socket module or the electromagnetic FTU aviation socket module; and the electronic FTU aviation socket module and the electromagnetic FTU aviation socket module are connected with the feeder automation terminal.

Description

Technical Field

[0001] The utility model relates to the technical field of power system testing, in particular to an on-site joint debugging device suitable for various feeder automation terminals. Background Art

[0002] Existing distribution network testing typically requires the use of real circuit breakers for operational testing, which not only poses safety risks but also affects the normal operation of the power grid. To address these issues, a number of simulated circuit breaker devices have emerged on the market. However, these devices often have limited functionality and are often compatible with only one or specific feeder automation terminals. These devices are complex to operate and cannot meet diverse testing needs.

[0003] In view of this, it is necessary to provide a new type of on-site joint debugging device applicable to various feeder automation terminals to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of this utility model is to provide an on-site joint debugging device suitable for various feeder automation terminals, a distribution network simulation circuit breaker device suitable for various feeder automation terminals with comprehensive functions, simple operation, safety and reliability, so as to improve the testing efficiency and safety of the distribution network automation system.

[0005] In order to achieve the above-mentioned object, the utility model provides an on-site joint debugging device applicable to various feeder automation terminals, comprising: a box, an electronic analog input module, an electromagnetic analog input module, an FA debugging module, an energy storage opening and closing simulation module, an energy storage mode switching switch, and a joint debugging mode conversion switch; the electronic analog input module, the electromagnetic analog input module, the FA debugging module, the energy storage opening and closing simulation module, the energy storage mode switching switch, and the joint debugging mode conversion switch are all installed on the box.

[0006] The electronic analog input module is electrically connected to the electronic FTU aviation socket module, the electromagnetic analog input module is electrically connected to the electromagnetic FTU aviation socket module, the FA debugging module, the energy storage opening and closing simulation module and the energy storage mode switching switch are all electrically connected to the joint debugging mode conversion switch, and the joint debugging mode conversion switch is electrically connected to the electronic FTU aviation socket module or the electromagnetic FTU aviation socket module; the electronic FTU aviation socket module and the electromagnetic FTU aviation socket module are connected to the feeder automation terminal.

[0007] Preferably, the electronic FTU navigation socket module includes a terminal navigation socket 1 arranged on a side of the box body and a switch navigation socket electrically connected to the terminal navigation socket 1. The voltage collection pin and the current collection pin in the terminal navigation socket 1 are electrically connected to the output end of the voltage transformer and the output end of the current transformer respectively, and the remote control and telemetry pin in the terminal navigation socket 1 is electrically connected to the energy storage opening and closing simulation module.

[0008] Preferably, the electronic analog input module includes an A-phase current input port, a B-phase current input port, a C-phase current input port, a current input port common terminal 1, a zero-sequence current input port 1 and a zero-sequence current input port common terminal 1, which are electrically connected to the terminal navigation socket 1 and exposed outside the box; the A-phase current input port, the B-phase current input port, the C-phase current input port, the current input port common terminal 1, the zero-sequence current input port 1 and the zero-sequence current input port common terminal 1 are all electrically connected to the current transformer installed inside the box.

[0009] Preferably, the electronic analog input module also includes a phase A voltage input port, a phase B voltage input port, a phase C voltage input port, a voltage input port common terminal 1, a zero-sequence voltage input port 1, a zero-sequence voltage input port common terminal 1, a UAS phase voltage input port, a UBS phase voltage input port and a UCS phase voltage input port, which are electrically connected to the terminal navigation socket 1 and exposed outside the box; the phase A voltage input port, the phase B voltage input port, the phase C voltage input port, the voltage input port common terminal 1, the zero-sequence voltage input port 1, the zero-sequence voltage input port common terminal 1, the UAS phase voltage input port, the UBS phase voltage input port and the UCS phase voltage input port are all electrically connected to the voltage transformer installed inside the box.

[0010] Preferably, the electromagnetic FTU aviation socket module includes a terminal aviation socket 2 arranged on one side of the box body and a power supply aviation socket electrically connected to the terminal aviation socket 2, the terminal aviation socket 2 and the power supply aviation socket are arranged on a side opposite to the terminal aviation socket 1 and the switch aviation socket, the voltage collection pin and the current collection pin in the terminal aviation socket 2 are electrically connected to the output end of the voltage transformer and the output end of the current transformer respectively, the remote control and telemetry pin in the terminal aviation socket 2 is electrically connected to the energy storage opening and closing simulation module, and the power supply aviation socket is electrically connected to the power supply of the power socket.

[0011] Preferably, the electromagnetic analog input module includes a phase a current input port, a phase b current input port, a phase c current input port, a current input port common terminal two, a zero-sequence current input port two, and a zero-sequence current input port common terminal two, which are electrically connected to the terminal navigation socket two and exposed outside the box; the phase a current input port, the phase b current input port, the phase c current input port, the current input port common terminal two, the zero-sequence current input port two, and the zero-sequence current input port common terminal two are all electrically connected to the current transformer.

[0012] Preferably, the electromagnetic analog input module also includes a UAB line voltage input port, a UBC line voltage input port, a voltage input port common terminal 2, a zero-sequence voltage input port 2 and a zero-sequence voltage input port common terminal 2, which are electrically connected to the power socket and exposed outside the box; the UAB line voltage input port, the UBC line voltage input port, the voltage input port common terminal 2, the zero-sequence voltage input port 2 and the zero-sequence voltage input port common terminal 2 are electrically connected to the voltage transformer; the UAB line voltage input port and the voltage input port common terminal 2 simulate the UAB line voltage of the electromagnetic pole-mounted circuit breaker on the overhead line, the UBC line voltage input port and the voltage input port common terminal 2 simulate the UBC line voltage of the electromagnetic pole-mounted circuit breaker on the overhead line, and the zero-sequence voltage input port 2 and the zero-sequence voltage input port common terminal 2 simulate the zero-sequence voltage of the electromagnetic pole-mounted circuit breaker on the overhead line.

[0013] Preferably, the FA debugging module includes an incoming line side button switch and an outgoing line side toggle switch, and the incoming line side toggle switch and the outgoing line side toggle switch are both electrically connected to the terminal navigation socket through a wiring harness.

[0014] Preferably, the box body is also provided with a handle.

[0015] Preferably, the joint debugging mode conversion switch is rotatably arranged on the box body, and the joint debugging mode conversion switch can be electrically connected to the terminal navigation socket 1 or the terminal navigation socket 2.

[0016] Compared with the existing technology, the beneficial effects are: 1) the joint debugging and testing of different types of feeder automation terminals (electronic and electromagnetic) can be realized.

[0017] 2) Simply turn on the AC220V power switch and use the incoming line side toggle switch and / or the outgoing line side toggle switch to simulate the voltage status of the incoming and outgoing lines of the pole-mounted circuit breaker on the overhead line for debugging. Multiple wiring is no longer required, making debugging convenient.

[0018] 3) Through the joint debugging mode conversion module, the feeder automation terminal can be connected to the distribution network simulation circuit breaker device for on-site debugging, or the feeder automation terminal, distribution network simulation circuit breaker device and pole-mounted circuit breaker can be connected for joint debugging.

[0019] 4) It meets the needs of on-site debugging, with small size, light weight, and equipped with a telescopic handle for easy carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a three-dimensional diagram of the on-site joint debugging device provided by the utility model, which is applicable to various feeder automation terminals.

[0022] Figure 2 This is a three-dimensional diagram from another angle of the on-site joint debugging device applicable to various feeder automation terminals provided by the utility model.

[0023] Figure 3 This is a circuit diagram of the energy storage opening and closing module of the on-site joint adjustment device applicable to various feeder automation terminals provided by the utility model.

[0024] Figure 4 This is a circuit diagram of the energy storage opening and closing module of the on-site joint adjustment device applicable to various feeder automation terminals provided by the utility model.

[0025] Figure markings: KA2-3 represents the internal energy storage mode signal line, HZ represents the closing signal, FZ represents the signal, HW represents the closed position signal, FW represents the open position signal, and WCN represents the non-energy storage signal. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and beneficial technical effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are only for the purpose of explaining the present invention and are not intended to limit the present invention.

[0027] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] It should also be noted that, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," "fixed," and "set" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will readily understand the specific meanings of these terms in this utility model based on specific circumstances.

[0029] Furthermore, the terms "left" and "right" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Furthermore, "plurality" and "several" are intended to mean two or more, unless otherwise specifically defined.

[0030] See also Figures 1 to 4 The present invention provides an on-site joint debugging device suitable for various feeder automation terminals, comprising: a box 47, an electronic analog input module 17, an electromagnetic analog input module 34, an FA debugging module 2, an energy storage opening and closing simulation module 14, an energy storage mode switching switch 6, a joint debugging mode conversion switch 29, and a power socket 48; the electronic analog input module 17, the electromagnetic analog input module 34, the FA debugging module 2, the energy storage opening and closing simulation module 14, the energy storage mode switching switch 6, and the joint debugging mode conversion switch 29 are all installed on the box 47.

[0031] The electronic analog input module 17 is electrically connected to the electronic FTU aviation socket module 23, and the electromagnetic analog input module 34 is electrically connected to the electromagnetic FTU aviation socket module 50.

[0032] The FA debugging module 2, the energy storage opening and closing simulation module 14, and the energy storage mode switching switch 6 are all electrically connected to the joint debugging mode conversion switch 29, and the joint debugging mode conversion switch 29 is electrically connected to the electronic FTU aviation socket module 23 or the electromagnetic FTU aviation socket module 50. The power socket (AC220V) is used to connect to the AC220V power supply and electrically connect to the electronic FTU aviation socket module 23 or the electromagnetic FTU aviation socket module 50; the electronic analog input module 17 and the electromagnetic analog input module 34 are used to connect to the power supply. Connected to the microcomputer relay protection tester, the joint debugging mode conversion module 29 can be electrically connected to the electronic FTU aviation socket module 23 or the electromagnetic FTU aviation socket module 50, and switched through the joint debugging mode conversion switch 29; the FA debugging module 2 is used to simulate the voltage on the incoming and outgoing sides of the pole-mounted circuit breaker on the overhead line; the electronic FTU aviation socket module 23 and the electromagnetic FTU aviation socket module 50 are connected to the feeder automation terminal; the energy storage opening and closing simulation module 16 simulates the position status of the pole-mounted circuit breaker on the overhead line.

[0033] In a preferred embodiment, the electronic FTU navigation socket module 23 includes a terminal navigation socket 18 arranged on a side of the box 47 and a switch navigation socket 22 electrically connected to the terminal navigation socket 18. The voltage collection pin and the current collection pin in the terminal navigation socket 18 are respectively electrically connected to the output end of the voltage transformer installed inside the box 47 and the output end of the current transformer installed inside the box 47. The remote control and telemetry pin in the terminal navigation socket 18 is electrically connected to the energy storage opening and closing simulation module 14. The switch socket 22 is also electrically connected to the control switch of the feeder automation terminal (such as a closing switch, an opening switch, etc.).

[0034] In a preferred embodiment, the electromagnetic FTU aviation socket module 50 includes a terminal aviation socket 2 51 arranged on one side of the box body 47 and a power supply aviation socket 49 electrically connected to the terminal aviation socket 2 51. The terminal aviation socket 2 51 and the power supply aviation socket 49 are arranged on a side opposite to the terminal aviation socket 1 18 and the switch aviation socket 22. The voltage collection pin and the current collection pin in the terminal aviation socket 2 51 are electrically connected to the output end of the voltage transformer and the output end of the current transformer respectively. The remote control and telemetry pin in the terminal aviation socket 2 51 is electrically connected to the energy storage opening and closing simulation module 14, and the power supply aviation socket 49 is electrically connected to the power socket 48.

[0035] In a preferred embodiment, the electronic analog input module 17 includes an A-phase current input port 11, a B-phase current input port 9, a C-phase current input port 5, a current input port common terminal 46, a zero-sequence current input port 45, and a zero-sequence current input port common terminal 44, which are electrically connected to the terminal navigation socket 18 and exposed outside the box 47; the A-phase current input port 11, the B-phase current input port 9, the C-phase current input port 5, the current input port common terminal 46, the zero-sequence current input port 45, and the zero-sequence current input port common terminal 44 are all electrically connected to the current transformer installed inside the box 47.

[0036] The A-phase current input port 11, the B-phase current input port 9, the C-phase current input port 5, and the current input port common terminal 46 simulate the A-phase, B-phase, and C-phase currents of the electronic pole-mounted circuit breaker on the overhead line. The zero-sequence current input port 45 and the zero-sequence current input port common terminal 44 simulate the zero-sequence current of the electronic pole-mounted circuit breaker on the overhead line. The A-phase, B-phase, and C-phase current output ports of the microcomputer relay protection tester are respectively connected to the A-phase current input port 11, the B-phase current input port 9, and the C-phase current input port 5. Different current values ​​are applied as needed to simulate the current on the actual line. The current is converted by the current transformer circuit inside the on-site joint debugging device of the feeder automation measurement and control terminal, and the feeder automation terminal collects current information.

[0037] In a preferred embodiment, the electronic analog input module 17 also includes an A-phase voltage input port 16, a B-phase voltage input port 7, a C-phase voltage input port 4, a voltage input port common terminal 43, a zero-sequence voltage input port 42, a zero-sequence voltage input port common terminal 41, a UAS phase voltage input port 19, a UBS phase voltage input port 20 and a UCS phase voltage input port 21, which are electrically connected to the terminal navigation socket 18 and exposed outside the box 47; the A-phase voltage input port 16, the B-phase voltage input port 7, the C-phase voltage input port 4, the voltage input port common terminal 43, the zero-sequence voltage input port 42, the zero-sequence voltage input port common terminal 41, the UAS phase voltage input port 19, the UBS phase voltage input port 20 and the UCS phase voltage input port 21 are all electrically connected to the voltage transformer installed inside the box 47.

[0038] The A-phase voltage input port 16, the B-phase voltage input port 7, the C-phase voltage input port 4, and the voltage input port common terminal 43 simulate the outgoing line A-phase voltage, the outgoing line B-phase voltage, and the outgoing line C-phase voltage of the electronic pole-mounted circuit breaker on the overhead line. The zero-sequence voltage input port 42 and the zero-sequence voltage input port common terminal 41 simulate the zero-sequence voltage of the electronic pole-mounted circuit breaker on the overhead line. The UAS phase voltage input port 19, the UBS phase voltage input port 20, and the UCS phase voltage input port respectively simulate the incoming line A-phase voltage and the incoming line B-phase voltage of the electronic pole-mounted circuit breaker on the overhead line. As well as the C-phase voltage on the incoming line side, it is connected to the above-mentioned A-phase voltage input port 16, B-phase voltage input port 7, C-phase voltage input port 4, voltage input port common terminal 143, zero-sequence voltage input port 142, zero-sequence voltage input port common terminal 141, UAS phase voltage input port 19, UBS phase voltage input port 20 and UCS phase voltage input port 21 through the microcomputer relay protection tester. Different voltage values ​​can be applied as needed to simulate the voltage on the actual line. The voltage is converted through the voltage transformer circuit inside the feeder automation measurement and control terminal joint debugging tooling, and the feeder automation terminal collects voltage information.

[0039] In a preferred embodiment, the electromagnetic analog input module 34 includes a phase a current input port 24, a phase b current input port 26, a phase c current input port 28, a current input port common terminal 2 38, a zero-sequence current input port 2 37 and a zero-sequence current input port common terminal 2 36, which are electrically connected to the terminal navigation socket 2 51 and exposed outside the box 47; the phase a current input port 24, the phase b current input port 26, the phase c current input port 28, the current input port common terminal 2 38, the zero-sequence current input port 2 37 and the zero-sequence current input port common terminal 2 36 are all electrically connected to the current transformer.

[0040] The a-phase current input port 24, the b-phase current input port 26, the c-phase current input port 28, and the current input port common terminal 2 38 simulate the A-phase, B-phase, and C-phase currents of the electromagnetic pole-mounted circuit breaker on the overhead line. The zero-sequence current input port 2 37 and the zero-sequence current input port common terminal 2 36 simulate the zero-sequence current of the electromagnetic pole-mounted circuit breaker on the overhead line. A microcomputer relay protection tester is connected to the a-phase current input port 24, the b-phase current input port 26, the c-phase current input port 28, the current input port common terminal 2 38, the zero-sequence current input port 2 37, and the zero-sequence current input port common terminal 2 36. Different current values ​​are applied as needed to simulate the current on the actual line. The current is converted by the current transformer circuit inside the on-site joint debugging device of the feeder automation measurement and control terminal, and the current information is collected through the feeder automation terminal.

[0041] In a preferred embodiment, the electromagnetic analog input module 34 further includes a UAB line voltage input port 25, a UBC line voltage input port 27, a voltage input port common terminal 2 31, a zero-sequence voltage input port 2 32, and a zero-sequence voltage input port common terminal 2 33, which are electrically connected to the power supply socket 49 and exposed outside the box 47; the UAB line voltage input port 25, the UBC line voltage input port 27, the voltage input port common terminal 2 31, the zero-sequence voltage input port 2 32, and the zero-sequence voltage input port common terminal 2 33 are electrically connected to the voltage transformer;

[0042] The UAB line voltage input port 25 and the voltage input port common terminal 2 31 simulate the UAB line voltage of the electromagnetic pole-mounted circuit breaker on the overhead line. The UBC line voltage input port 27 and the voltage input port common terminal 2 31 simulate the UBC line voltage of the electromagnetic pole-mounted circuit breaker on the overhead line. The zero-sequence voltage input port 2 32 and the zero-sequence voltage input port common terminal 2 33 simulate the zero-sequence voltage of the electromagnetic pole-mounted circuit breaker on the overhead line.

[0043] By connecting the microcomputer relay protection tester with the UAB line voltage input port 25, the UBC line voltage input port 27, the voltage input port common terminal 2 31, the zero-sequence voltage input port 2 32, and the zero-sequence voltage input port common terminal 2 33, different voltage values ​​can be applied as needed to simulate the voltage on the actual line. The voltage is converted through the voltage transformer circuit inside the feeder automation measurement and control terminal joint debugging tooling, and the voltage information is collected through the feeder automation terminal.

[0044] In a preferred embodiment, the FA debugging module 2 includes an incoming line side button switch 3 and an outgoing line side toggle switch 1, and the incoming line side toggle switch 3 and the outgoing line side toggle switch 1 are both electrically connected to the terminal navigation socket 18 through a wiring harness;

[0045] By turning on the AC220V power switch and pressing the dial switch 3 on the incoming line side or the dial switch 1 on the outgoing line side to switch the output voltage of the microcomputer relay protection tester, the voltage on the incoming line side and the outgoing line side of the pole-mounted circuit breaker on the overhead line can be simulated for debugging.

[0046] In a preferred embodiment, the box body 47 is further provided with a handle 52 for easy lifting and carrying.

[0047] In a preferred embodiment, the joint debugging mode conversion switch 29 is rotatably set on the box body 47, and the joint debugging mode conversion switch 29 can be electrically connected to the terminal navigation socket 18 or the terminal navigation socket 2 51, and switched through the joint debugging mode conversion switch 29.

[0048] In a preferred embodiment, the energy storage opening and closing simulation module 14 includes a magnetic latching relay K1, a magnetic latching relay K2, a photoelectric isolator U1, a photoelectric isolator U2, a photoelectric isolator U3, a photoelectric isolator U4, a photoelectric isolator U5, an opening indicator light 15, a closing indicator light 13, and an energy storage indicator light 10; the voltage collection pin and the current collection pin in the terminal navigation socket 18 are electrically connected to the output end of the voltage transformer and the output end of the current transformer respectively;

[0049] The contact 4 of the magnetic latching relay K1 is electrically connected to the light emitter pin 2 of the photoelectric isolator U1 and the light emitter pin 1 of the photoelectric isolator U3. The light emitter pin 1 of the photoelectric isolator U1 and the light emitter pin 2 of the photoelectric isolator U3 are electrically connected to the resistor R5. The resistor R5 is electrically connected to a portion of the remote control and telemetry pins in the terminal navigation socket 18 or a portion of the remote control and telemetry pins in the terminal navigation socket 2 51. The light receiver pin 3 of the photoelectric isolator U1 and the light receiver pin 3 of the photoelectric isolator U3 are electrically connected to the light receiver pin 3 of the photoelectric isolator U4. The light receiver pin 4 of the photoelectric isolator U1 and the light receiver pin 43 of the photoelectric isolator U3 are electrically connected to the light receiver pin 4 of the photoelectric isolator U4.

[0050] The first end of the first coil of the magnetic latching relay K1 is electrically connected to the cathode of the diode D1, the anode of the diode D1 is electrically connected to the second end of the first coil of the magnetic latching relay K1 and is grounded, the first end of the second coil of the magnetic latching relay K1 is electrically connected to the anode of the diode D3 and is grounded, and the lead of the diode D3 is electrically connected to the second end of the second coil of the magnetic latching relay K1;

[0051] The contact 5 of the magnetic latching relay K1 is connected to the remote signal common terminal of the terminal navigation socket 18, the contact 5 of the relay K1 can be electrically connected to the contact 4 or contact 6 of the magnetic latching relay K1, the contact 6 of the relay K1 is electrically connected to another part of the remote control and telemetry pins in the terminal navigation socket 18 or another part of the remote control and telemetry pins in the terminal navigation socket 2 51 (energy storage mode signal line), the contact 8 of the magnetic latching relay K1 is connected to a 24V DC power supply and the contact 8 can be electrically connected to the contact 7 or contact 9 of the magnetic latching relay K1, the contact 9 of the magnetic latching relay K1 is electrically connected to the light emitter pin 1 of the photoelectric isolator U4, the light emitter pin 2 of the photoelectric isolator U4 is electrically connected to the resistor R1, and the resistor R1 is electrically connected to the energy storage lamp 10;

[0052] The photodetector pin 3 of the photoelectric isolator U4 is electrically connected to the first end of the first coil of the magnetic latching relay K2, and the photodetector pin 4 of the photoelectric isolator U4 is electrically connected to the photodetector pin 4 of the photoelectric isolator U2 and the photodetector pin 4 of the photoelectric isolator U5.

[0053] The contact 4 of the magnetic latching relay K2 is electrically connected to the light emitter pin 2 of the photoelectric isolator U2 and the light emitter pin 1 of the photoelectric isolator U5. The light emitter pin 1 of the photoelectric isolator U2 and the light emitter pin 2 of the photoelectric isolator U5 are electrically connected to the resistor R6. The resistor R6 is electrically connected to another part of the remote control and telemetry pins in the terminal navigation socket 18 or another part of the remote control and telemetry pins in the terminal navigation socket 2 51. The light receiver pin 3 of the photoelectric isolator U2 and the light receiver pin 3 of the photoelectric isolator U5 are electrically connected to the first coil of the magnetic latching relay K1. The light receiver pin 4 of the photoelectric isolator U2 and the light receiver pin 4 of the photoelectric isolator U5 are electrically connected to the light receiver pin 4 of the photoelectric isolator U4.

[0054] The first end of the first coil of the magnetic latching relay K2 is electrically connected to the cathode of the diode D2, the anode of the diode D2 is electrically connected to the second end of the first coil of the magnetic latching relay K1 and is grounded, the first end of the second coil of the magnetic latching relay K2 is electrically connected to the anode of the diode D4 and is grounded, and the lead of the diode D4 is electrically connected to the second end of the second coil of the magnetic latching relay K1;

[0055] The contact 5 of the magnetic latching relay K2 is connected to the remote signal common end of the terminal navigation socket 18, the contact 5 of the relay K2 can be electrically connected to the contact 4 or contact 6 of the magnetic latching relay K2, the contact 6 of the magnetic latching relay K2 is electrically connected to the resistor R4, the resistor R4 is electrically connected to another part of the remote control and telemetry pins in the terminal navigation socket 18 or another part of the remote control and telemetry pins in the terminal navigation socket 2 51, the contact 8 of the magnetic latching relay K2 is connected to a 24V DC power supply and the contact 8 can be electrically connected to the contact 7 or contact 9 of the magnetic latching relay K2, the contact 7 of the magnetic latching relay K2 is electrically connected to the opening indicator light 15, the opening indicator light 15 is electrically connected to the resistor R2, the contact 9 of the magnetic latching relay K2 is electrically connected to the closing indicator light 13, the closing indicator light 13 is electrically connected to the resistor R3, and the resistor R2 is electrically connected to the resistor R3 and grounded.

[0056] Working principle:

[0057] The feeder automation terminal on-site joint debugging device is powered on. When it is in the opening state (the opening indicator light 15 is on), the feeder automation terminal detects a no-energy-storage signal, presses the energy storage mode switch 6 to send an energy storage signal (CN), and the second coil of the magnetic latching relay K1 is turned on, and the contact 8 of the magnetic latching relay K1 is connected to the contact 9 of the magnetic latching relay K2. At this time, the energy storage lamp 10 is on, and at the same time, the contact 5 of the magnetic latching relay K1 is connected to the contact 4 of the magnetic latching relay K1, so that the light receiver of the photoelectric isolator U4 is turned on, and the light emitter of the photoelectric isolator U4 is turned on, and the light emitter of the photoelectric isolator U1 and the light emitter of the photoelectric isolator U3 are turned on. The feeder automation terminal on-site joint debugging device detects energy storage and reports to the feeder automation terminal that energy has been stored, simulating the energy storage state of the pole-mounted circuit breaker;

[0058] When the closing button of the feeder automation terminal is pressed, the light emitter of the photoelectric isolator U4 is turned on, and the first coil of the magnetic latching relay K2 is turned on. The contact 5 of the magnetic latching relay K2 is connected to the contact 4 of the magnetic latching relay K2, the light receiver of the photoelectric isolator U5 is connected to the light receiver of the photoelectric isolator U2, and the contact 8 of the magnetic latching relay K2 is connected to the contact 9 of the magnetic latching relay K2, so that the closing circuit is turned on. The contact 8 of the magnetic latching relay K2 is disconnected from the contact 7 of the magnetic latching relay K2, so that the opening circuit is disconnected. At this time, the closing indicator light 13 is on and the opening indicator light 15 is off, simulating the closing state of the pole-mounted circuit breaker.

[0059] Press the feeder automation terminal trip button. At this time, the second coil of the magnetic latching relay K2 is turned on, the contact 5 and the contact 6 of the magnetic latching relay K2 are turned on, the light receiver of the optoelectronic isolator U5 and the light receiver of the optoelectronic isolator U2 are disconnected, the contact 8 of the magnetic latching relay K2 and the contact 7 of the magnetic latching relay K2 are turned on to make the opening circuit turned on, and the contact 8 of the magnetic latching relay K2 and the contact 9 of the magnetic latching relay K2 are disconnected to disconnect the closing circuit. At this time, the closing indicator light 13 is off and the opening indicator light 15 is on, simulating the opening energy state of the pole-mounted circuit breaker; through the above-mentioned action logic, the opening operation function, closing operation function and energy storage operation function of the pole-mounted circuit breaker are simulated; through the opening indicator light 15, the closing indicator light 13 and the energy storage indicator light 10, the current state of the pole-mounted circuit breaker on the simulated overhead line can be clearly known.

[0060] The present invention is not limited to what is described in the specification and implementation modes, and therefore additional advantages and modifications can be easily realized by those skilled in the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and examples shown and described herein.

Claims

1. An on-site joint debugging device applicable to various feeder automation terminals, characterized in that: include: A box (47), an electronic analog input module (17), an electromagnetic analog input module (34), an FA debugging module (2), an energy storage opening and closing simulation module (14), an energy storage mode switching switch (6), and a joint debugging mode conversion switch (29); the electronic analog input module (17), the electromagnetic analog input module (34), the FA debugging module (2), the energy storage opening and closing simulation module (14), the energy storage mode switching switch (6), and the joint debugging mode conversion switch (29) are all installed on the box (47). The electronic analog input module (17) is electrically connected to the electronic FTU aviation socket module (23), the electromagnetic analog input module (34) is electrically connected to the electromagnetic FTU aviation socket module (50), the FA debugging module (2), the energy storage opening and closing simulation module (14) and the energy storage mode switching switch (6) are all electrically connected to the joint debugging mode conversion switch (29), and the joint debugging mode conversion switch (29) is electrically connected to the electronic FTU aviation socket module (23) or the electromagnetic FTU aviation socket module (50); the electronic FTU aviation socket module (23) and the electromagnetic FTU aviation socket module (50) are connected to the feeder automation terminal.

2. The on-site joint debugging device applicable to various feeder automation terminals according to claim 1, characterized in that: The electronic FTU navigation socket module (23) includes a terminal navigation socket (18) provided on a side of the box (47) and a switch navigation socket (22) electrically connected to the terminal navigation socket (18). The voltage acquisition pin and the current acquisition pin in the terminal navigation socket (18) are electrically connected to the output end of the voltage transformer installed inside the box (47) and the output end of the current transformer installed inside the box (47), respectively. The remote control and telemetry pin in the terminal navigation socket (18) is electrically connected to the energy storage opening and closing simulation module (14).

3. The on-site joint debugging device applicable to various feeder automation terminals according to claim 2, characterized in that: The electronic analog input module (17) includes an A-phase current input port (11), a B-phase current input port (9), a C-phase current input port (5), a current input port common terminal (46), a zero-sequence current input port (45), and a zero-sequence current input port common terminal (44), which are electrically connected to the terminal navigation socket (18) and exposed outside the box (47); the A-phase current input port (11), the B-phase current input port (9), the C-phase current input port (5), the current input port common terminal (46), the zero-sequence current input port (45), and the zero-sequence current input port common terminal (44) are all electrically connected to a current transformer installed inside the box (47).

4. The on-site joint debugging device applicable to various feeder automation terminals according to claim 2, characterized in that: The electronic analog input module (17) further comprises an A-phase voltage input port (16), a B-phase voltage input port (7), a C-phase voltage input port (4), a voltage input port common terminal (43), a zero-sequence voltage input port (42), a zero-sequence voltage input port common terminal (41), a UAS-phase voltage input port (19), a UBS-phase voltage input port (20), and a UCS-phase voltage input port (21), which are electrically connected to the terminal navigation socket (18) and exposed outside the box (47); the A-phase voltage input port (16), the B-phase voltage input port (7), the C-phase voltage input port (4), the voltage input port common terminal (43), the zero-sequence voltage input port (42), the zero-sequence voltage input port common terminal (41), the UAS-phase voltage input port (19), the UBS-phase voltage input port (20), and the UCS-phase voltage input port (21) are all electrically connected to a voltage transformer installed inside the box (47).

5. The on-site joint debugging device applicable to various feeder automation terminals according to claim 4, characterized in that: The electromagnetic FTU aviation socket module (50) includes a second terminal aviation socket (51) provided on one side of the box (47) and a power supply aviation socket (49) electrically connected to the second terminal aviation socket (51). The second terminal aviation socket (51) and the power supply aviation socket (49) are provided on a side opposite to the first terminal aviation socket (18) and the switch aviation socket (22). The voltage acquisition pin and the current acquisition pin in the second terminal aviation socket (51) are electrically connected to the output end of the voltage transformer and the output end of the current transformer respectively. The remote control and telemetry pin in the second terminal aviation socket (51) is electrically connected to the energy storage opening and closing simulation module (14). The power supply aviation socket (49) is electrically connected to the power supply of the power socket (48).

6. The on-site joint debugging device applicable to various feeder automation terminals according to claim 5, characterized in that: The electromagnetic analog input module (34) includes an a-phase current input port (24), a b-phase current input port (26), a c-phase current input port (28), a current input port common terminal 2 (38), a zero-sequence current input port 2 (37), and a zero-sequence current input port common terminal 2 (36), which are electrically connected to the terminal navigation socket 2 (51) and exposed outside the box (47); the a-phase current input port (24), the b-phase current input port (26), the c-phase current input port (28), the current input port common terminal 2 (38), the zero-sequence current input port 2 (37), and the zero-sequence current input port common terminal 2 (36) are all electrically connected to the current transformer.

7. The on-site joint debugging device applicable to various feeder automation terminals according to claim 5, characterized in that: The electromagnetic analog input module (34) further comprises a UAB line voltage input port (25), a UBC line voltage input port (27), a voltage input port common terminal 2 (31), a zero-sequence voltage input port 2 (32) and a zero-sequence voltage input port common terminal 2 (33) which are electrically connected to the power supply socket (49) and exposed outside the box (47); the UAB line voltage input port (25), the UBC line voltage input port (27), the voltage input port common terminal 2 (31), the zero-sequence voltage input port 2 (32) and the zero-sequence voltage input port common terminal 2 (33) The sequence voltage input port common terminal 2 (33) is electrically connected to the voltage transformer; the UAB line voltage input port (25) and the voltage input port common terminal 2 (31) simulate the UAB line voltage of the electromagnetic pole-mounted circuit breaker on the overhead line, the UBC line voltage input port (27) and the voltage input port common terminal 2 (31) simulate the UBC line voltage of the electromagnetic pole-mounted circuit breaker on the overhead line, and the zero-sequence voltage input port 2 (32) and the zero-sequence voltage input port common terminal 2 (33) simulate the zero-sequence voltage of the electromagnetic pole-mounted circuit breaker on the overhead line.

8. The on-site joint debugging device applicable to various feeder automation terminals according to claim 1, characterized in that: The FA debugging module (2) comprises an incoming line side button switch (3) and an outgoing line side dial button switch (1), and the incoming line side dial button switch (3) and the outgoing line side dial button switch (1) are both electrically connected to a terminal navigation socket (18) via a wiring harness.

9. The on-site joint debugging device applicable to various feeder automation terminals according to claim 1, characterized in that: The box body (47) is also provided with a handle (52).

10. The on-site joint debugging device applicable to various feeder automation terminals according to claim 1, characterized in that: The joint adjustment mode conversion switch (29) is rotatably arranged on the box body (47), and the joint adjustment mode conversion switch (29) can be electrically connected to the terminal navigation socket 1 (18) or the terminal navigation socket 2 (51).

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