Feeder terminal remote signaling simulation device

Abstract

The invention discloses a feeder terminal remote signaling simulation device, relates to the technical field of simulation testing, and aims to provide the feeder terminal remote signaling simulation device which can overcome the problems that a feeder terminal needs to be jointly debugged with a circuit breaker body and detection equipment is insufficient in portability. The feeder terminal remote signaling simulation device comprises an aviation plug which is provided with a plurality of link ends in one-to-one correspondence with FTU feeder terminals, and further comprises a magnetic latching relay and a button self-locking switch with an indicating lamp, chaining ends on the magnetic latching relay and the button self-locking switch with the indicating lamp are respectively in wiring connection with corresponding chaining ends on the aviation plug.

Description

Technical Field

[0001] The present invention relates to the technical field of simulation test devices, in particular to a feeder terminal remote signaling simulation device. Background Art

[0002] The FTU feeder automation terminal works in conjunction with the pole-mounted circuit breaker to realize the functions of distribution network telesignaling, telemetering and remote control, support circuit breaker status, power parameters and zero-sequence / overcurrent / quick-break fault monitoring, execute remote power outage instructions, and complete fault isolation and rapid power restoration.

[0003] The current after-sales installation process for FTU feeder terminals requires joint commissioning and testing with circuit breakers to verify the integrity of the three remote control functions. This is highly equipment-dependent, and different models require different test platforms. During testing, after-sales service personnel must carry a variety of testing instruments. Due to transportation regulations such as civil aviation, some specialized equipment cannot be carried on board aircraft. Using logistics to ship testing equipment hinders rapid after-sales installation and testing services, indicating that existing testing methods are limited in both economics and service efficiency. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a feeder terminal remote signaling simulation device which can overcome the problems that the feeder terminal needs to be coordinated with the circuit breaker body and the detection equipment is not portable enough.

[0005] The present invention provides a feeder terminal remote signaling simulation device, comprising an aviation plug, wherein the aviation plug has a plurality of link terminals corresponding to the FTU feeder terminals one by one.

[0006] It also includes a magnetic latching relay and a push button self-locking switch with an indicator light. The link ends on the magnetic latching relay and the push button self-locking switch with an indicator light are respectively connected to the corresponding link ends on the aviation plug.

[0007] The present invention provides a feeder terminal remote signaling simulation device, wherein the aviation plug comprises an aviation plug base and a shell, and the link end is arranged on the aviation plug base.

[0008] The invention provides a feeder terminal remote signaling simulation device, wherein the magnetic latching relay and the button self-locking switch with an indicator light are installed inside the shell.

[0009] The present invention provides a feeder terminal remote signaling simulation device, wherein the magnetic latching relay comprises an opening coil, a closing coil, a common terminal, a normally closed point and a normally open point.

[0010] The present invention provides a feeder terminal remote signaling simulation device, wherein the positive pole and the negative pole of the trip coil are respectively connected to the corresponding link terminals on the aviation plug.

[0011] The present invention provides a feeder terminal remote signaling simulation device, wherein the positive pole and the negative pole of the closing coil are respectively connected to the corresponding link terminals on the aviation plug.

[0012] The invention provides a feeder terminal remote signaling simulation device, wherein the common terminal, the normally closed point and the normally open point are respectively connected to corresponding link terminals on an aviation plug.

[0013] The present invention provides a feeder terminal remote signaling simulation device, wherein the button self-locking switch with an indicator light comprises the button self-locking switch and the indicator light, and the button self-locking switch and the indicator light are an integrated structure.

[0014] The invention provides a feeder terminal remote signaling simulation device, wherein the button self-locking switch is connected to the corresponding link terminal on the aviation plug, and the two ends of the indicator light are respectively connected to the corresponding link terminal on the aviation plug.

[0015] The invention provides a feeder terminal remote signaling simulation device, wherein the rated voltage of the magnetic latching relay and the button self-locking switch with an indicator light is 24V.

[0016] The difference between the feeder terminal telesignaling simulation device of the present invention and the prior art is that the feeder terminal telesignaling simulation device of the present invention simulates the telesignaling control signal of the circuit breaker opening and closing by setting a magnetic latching relay, and simulates the energy storage load and energy storage telesignaling by a button self-locking switch with an indicator light, thereby realizing mechanized replacement.

[0017] The feeder terminal remote signal simulation device of the present invention can simulate the electrical signals of supporting equipment such as switches, has wide versatility, can meet the testing needs of the flexible-operated FTU in the existing domestic market, and effectively solves the problem of single FTU feeder terminal testing product.

[0018] The feeder terminal remote signaling simulation device of the present invention has a simple structure and a small size, is only the size of an aviation plug, can be carried around, reduces transportation costs, and is simple to operate, low in price, and highly reliable.

[0019] The feeder terminal remote signaling simulation device of the present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an electrical schematic diagram of a feeder terminal remote signaling simulation device of the present invention;

[0021] Figure 2 This is a working principle diagram of a feeder terminal remote signaling simulation device of the present invention;

[0022] The markings in the figure are as follows: 1- aviation plug base; 2- opening coil; 3- closing coil; 4- common terminal; 5- indicator light; 6- push button self-locking switch; 7- normally open point; 8- normally closed point; 9- FTU feeder terminal. DETAILED DESCRIPTION

[0023] The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0024] Example

[0025] like Figure 1 and Figure 2 As shown, a feeder terminal remote signaling simulation device according to the present invention includes a 14-pin aviation plug, which comprises an aviation plug base 1 and an outer shell. The aviation plug base 1 is provided with multiple connection terminals. In this embodiment, there are 10 connection terminals, corresponding to the 10 connection terminals on the FTU feeder terminal 9, facilitating coordinated operation with the FTU feeder terminal 9. Inside the outer shell are a 24V rated magnetic latching relay and a 24V push-button self-locking switch 6 with an indicator light 5.

[0026] The magnetic latching relay, located inside the housing and connected to the aviation plug base 1, simulates the operation of the circuit breaker's opening and closing coils 3 and converts opening and closing telesignal signals. The magnetic latching relay includes five terminals: opening coil 2, closing coil 3, common terminal 4, normally closed terminal 8, and normally open terminal 7. The positive terminal of opening coil 2 is connected to terminal 10 on the aviation plug base 1, and the negative terminal is connected to terminal 9 on the aviation plug base 1. The positive terminal of closing coil 3 is connected to terminal 8 on the aviation plug base 1, and the negative terminal of closing coil 3 is connected to terminal 7 on the aviation plug base 1. Common terminal 4 is connected to terminal 6 on the aviation plug base 1. Normally closed terminal 8 is connected to terminal 1 on the aviation plug base 1. Normally open terminal 7 is connected to terminal 2 on the aviation plug base 1.

[0027] A push-button self-locking switch 6 with an indicator light 5 is located inside the housing. This integrated structure simplifies the design and reduces the size of the device. It includes both a push-button self-locking switch 6 and an indicator light 5. The push-button self-locking switch 6 simulates energy storage telesignaling signals indicating energy storage and energy non-storage. The indicator light 5 simulates the acquisition of energy storage motor actuation signals to determine the integrity of the energy storage load. The push-button self-locking switch 6 is connected to terminal 5 on the aviation plug base 1. The two ends of the indicator light 5 are connected to terminals 3 and 4 on the aviation plug base 1, respectively.

[0028] The working principle of a feeder terminal remote signaling simulation device of the present invention includes:

[0029] 1. Closing: The closing signal is output through the FTU feeder terminal 9 to the No. 7 link terminal and the No. 8 link terminal on the aviation plug base 1. At this time, the closing coil 3 of the magnetic latching relay is actuated to realize the closing action. The normally closed point 8 of the magnetic latching relay is closed, the normally open point 7 is disconnected, and the common terminal 4 outputs the remote signal. The FTU feeder terminal 9 collects the closing remote signal and completes the closed loop of the action.

[0030] 2. Opening: The opening signal is output through the FTU feeder terminal 9 to the No. 9 link terminal and the No. 10 link terminal on the aviation plug base 1. At this time, the opening coil 2 of the magnetic latching relay is actuated to realize the opening action. The normally closed point 8 of the magnetic latching relay is disconnected, the normally open point 7 is closed, and the common terminal 4 outputs the remote signal. The FTU feeder terminal 9 collects the opening remote signal and completes the action closed loop.

[0031] 3. Energy storage: The energy storage signal is output through the FTU feeder terminal 9 to the No. 3 link terminal and the No. 4 link terminal on the aviation plug base 1. At this time, the indicator light 5 of the button self-locking switch 6 with the indicator light 5 is long on, realizing the energy storage load collection and judgment; press the button self-locking switch 6, the button self-locking switch 6 is closed, and the common terminal 4 of the magnetic latching relay outputs the remote signal signal to the No. 5 link terminal on the aviation plug base 1. The FTU feeder terminal 9 collects the energy storage remote signal and completes the action closed-loop remote signal point detection.

[0032] The invention discloses a feeder terminal telesignaling simulation device which is used in conjunction with an FTU feeder terminal. The device simulates the telesignaling control signals of the circuit breaker opening and closing by setting a magnetic latching relay, and simulates the energy storage load and energy storage telesignaling by a button self-locking switch with an indicator light, thereby realizing mechanized replacement.

[0033] The feeder terminal remote signal simulation device of the present invention can simulate the electrical signals of supporting equipment such as switches, has wide versatility, can meet the testing needs of the flexible-operated FTU in the existing domestic market, and effectively solves the problem of single FTU feeder terminal testing product.

[0034] The feeder terminal remote signaling simulation device of the present invention has a simple structure and a small size, is only the size of an aviation plug, can be carried around, reduces transportation costs, and is simple to operate, low in price, and highly reliable.

[0035] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made thereto. Therefore, such modifications and improvements, without departing from the spirit of the present invention, are intended to be within the scope of protection claimed herein.

Claims

1. A feeder terminal remote signaling simulation device, characterized in that: Including aviation plug, which has multiple link terminals corresponding to FTU feeder terminals. It also includes a magnetic latching relay and a push button self-locking switch with an indicator light. The link ends on the magnetic latching relay and the push button self-locking switch with an indicator light are respectively connected to the corresponding link ends on the aviation plug.

2. A feeder terminal remote signaling simulation device according to claim 1, characterized in that: The aviation plug comprises an aviation plug base and a shell, and the link end is arranged on the aviation plug base.

3. A feeder terminal remote signaling simulation device according to claim 1, characterized in that: The magnetic holding relay and the push button self-locking switch with an indicator light are installed inside the shell.

4. A feeder terminal remote signaling simulation device according to claim 1, characterized in that: The magnetic latching relay comprises an opening coil, a closing coil, a common terminal, a normally closed point and a normally open point.

5. A feeder terminal remote signaling simulation device according to claim 4, characterized in that: The positive pole and the negative pole of the opening coil are respectively connected to the corresponding link terminals on the aviation plug.

6. A feeder terminal remote signaling simulation device according to claim 4, characterized in that: The positive pole and the negative pole of the closing coil are respectively connected to the corresponding link terminals on the aviation plug.

7. A feeder terminal remote signaling simulation device according to claim 4, characterized in that: The common terminal, normally closed point and normally open point are respectively connected to corresponding link terminals on the aviation plug.

8. The feeder terminal remote signaling simulation device according to claim 1, characterized in that: The button self-locking switch with an indicator light comprises a button self-locking switch and an indicator light, and the button self-locking switch and the indicator light are an integrated structure.

9. A feeder terminal remote signaling simulation device according to claim 8, characterized in that: The button self-locking switch is connected to the corresponding link end on the aviation plug, and the two ends of the indicator light are respectively connected to the corresponding link end on the aviation plug.

10. The feeder terminal remote signaling simulation device according to claim 1, characterized in that: The rated voltage of the magnetic latching relay and the push button self-locking switch with indicator light is 24V.

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