CN217305490U - Electrical fault simulation platform - Google Patents

Electrical fault simulation platform Download PDF

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Publication number
CN217305490U
CN217305490U CN202220512480.XU CN202220512480U CN217305490U CN 217305490 U CN217305490 U CN 217305490U CN 202220512480 U CN202220512480 U CN 202220512480U CN 217305490 U CN217305490 U CN 217305490U
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China
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module
fault simulation
series
live
wire
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CN202220512480.XU
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Inventor
刘得军
王凯
王辉
孙巍巍
孙俊德
蒋秉政
吴飞
李亚南
王静
曹文浩
杨全胜
马奕伟
姚烨
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63921 Troops of PLA
Tianjin Zhongli Shendun Electronics Technology Co Ltd
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63921 Troops of PLA
Tianjin Zhongli Shendun Electronics Technology Co Ltd
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Abstract

The utility model discloses an electrical fault simulation platform, which comprises a plurality of fault simulation modules, a zero line and a plurality of live wires; the zero line and the live line are used for supplying power to electrical appliances; at least one fault simulation module is arranged on any live wire and used for realizing the on-off of the live wire; at least one fault simulation module is arranged between two adjacent live wires and used for realizing short circuit of the two live wires; and at least one fault simulation module is arranged between any live wire and zero wire and used for realizing the power supply of the fault simulation module. The utility model discloses can simulate the electrical fault with electrical apparatus inner line.

Description

Electrical fault simulation platform
Technical Field
The utility model relates to an electrical technology field, concretely relates to electrical fault simulation platform.
Background
In the current society, along with the development of electrification, various electric appliances fill the aspects of life and production, in order to ensure the normal work of the electric appliances, accurately analyze and judge the faults of the electric appliances in the using process and correctly deal with the faults, and particularly, if the faults of the electric appliances in industrial occasions such as production and the like occur in the operation, serious loss can be caused, so that the electric appliances need to be regularly checked. However, at present, in the process of inspecting the electric appliance, the health state of the electric appliance cannot be deeply evaluated. Although various inspection devices in the market support fault diagnosis of the electric appliance in the inspection process, the diagnosis of the various inspection devices is deeply and intelligently stopped when simple faults such as undercurrent, overvoltage and locked rotor which may occur to the electric appliance and the like, and the various faults which may occur to the electric appliance and the like do not have the power for other various faults which may occur to the electric appliance.
In order to accurately diagnose the electrical appliance, various fault data of the electrical appliance needs to be collected and processed, so that the various fault data are matched with the running electrical appliance during patrol, and various abnormalities of the electrical appliance are found in time. Faults of electrical appliances often relate to mechanical faults and electrical faults, and when the faults are collected, because electrical appliances running in the faults have certain dangers, the fault electrical appliances need to be simulated to detect fault signals of the fault electrical appliances.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an electrical fault simulation platform can simulate with the electrical fault of electrical apparatus internal line.
The utility model adopts the technical scheme as follows:
an electrical fault simulation platform comprises a plurality of fault simulation modules, a zero line and a plurality of live wires;
the zero line and the live line are used for supplying power to electrical appliances;
at least one fault simulation module is arranged on any live wire and used for realizing the on-off of the live wire; at least one fault simulation module is arranged between two adjacent live wires and used for realizing short circuit of the two live wires; and at least one fault simulation module is arranged between any live wire and zero wire and used for realizing the power supply of the fault simulation module.
Further, the fault simulation module comprises a module body and/or a switch body, wherein the module body is provided with an access end and an access end; the access end is electrically connected with the live wire, and the access end is electrically connected with the live wire or the zero line;
the switch body is connected between the live wire and the access end in series, or the switch body is connected between the zero wire and the access end in series.
Further, the fault simulation module comprises a module body, a switch body and an indicating piece;
the module body is provided with an access end and an access end; the access end is electrically connected with the live wire, and the access end is electrically connected with the live wire or the zero line; the switch body is connected in series between the zero line and the access end, the switch body is provided with a first contact and a second contact which are mutually linked, the first contact and the second contact are mutually connected in parallel, the first contact is connected in series between the access end and the zero line, and the second contact is connected in series between the access end and the output end; the indicator is disposed between the neutral wire and the first contact.
Furthermore, the fault simulation module is a circuit breaking simulation module, the circuit breaking simulation module comprises two module bodies used for forming a contactor, the two module bodies are respectively a first switch piece and a first driving piece, the first switch piece is connected in series with the incoming end and the outgoing end on the live wire, and the first driving piece is connected in series between the live wire and the zero wire through the incoming end and the outgoing end.
Furthermore, the fault simulation module is a temperature simulation module, the temperature simulation module comprises a module body and a temperature measurement piece, the module body is an electric heating piece, and the electric heating piece is connected in series between the live wire and the zero line through the access end and the access end.
Further, the fault simulation module is a short circuit simulation module, the short circuit simulation module comprises two module bodies and two module bodies, the two module bodies are used for forming a contactor, the two module bodies are respectively a second switch piece and a second driving piece, the second switch piece passes through the incoming end and the outgoing end, the incoming end and the outgoing end are connected in series between two adjacent live wires, and the second driving piece passes through the incoming end and the outgoing end, the live wires and the zero wires are connected in series.
Furthermore, the fault simulation module is a default phase simulation module, the default phase simulation module comprises two module bodies used for forming a contactor, the two module bodies are respectively a third switch part and a third driving part, the third switch part passes through the incoming end and the outgoing end which are connected in series on the live wire, and the third driving part passes through the incoming end and the outgoing end which are connected in series between the live wire and the zero wire.
Furthermore, the fault simulation module is a winding grounding simulation module, the winding grounding simulation module includes a module body and a residual current sensor, the module body is a resistance member, the resistance member is connected in series between the live wire and the zero wire through the incoming end and the outgoing end, or the resistance member is connected in series between the live wire and the ground wire through the incoming end and the outgoing end.
Further, the fault simulation module further comprises a master control module, the master control module comprises one module body, the module body is a fourth switch piece, the fourth switch piece passes through the incoming end and is electrically connected with the live wire, and the fourth switch piece passes through the outgoing end and is electrically connected with the incoming ends of other module bodies in the electrical fault simulation platform.
Furthermore, the general control module further comprises an indicator light, the fourth switch element is provided with a third contact and a fourth contact which are mutually linked, the third contact and the fourth contact are mutually connected in parallel, the third contact is connected in series between the incoming end and the zero line, and the fourth contact is connected in series between the incoming end and the outgoing end; the indicator light is arranged between the zero line and the third contact.
Has the advantages that:
the utility model provides an electrical fault simulation platform can simulate various electrical faults with electrical apparatus to can realize that various electrical apparatus trouble characteristic reappears, with valuable data under the same running state condition. The live wire and the zero wire can be regarded as internal circuits of the electrical appliances, so that the live wire and the zero wire can be equivalent to various electrical faults occurring in the electrical appliances. Specifically, the fault simulation module is connected in series on the live wires, the on-off of the live wires is realized through an execution mechanism in the fault simulation module, when three live wires are all opened, the fault of the open circuit of the internal circuit of the electric appliance is simulated, and when only one or two live wires are opened, the fault of the open-phase operation of the electric appliance is simulated. One end of the fault simulation module is connected with one live wire, the other end of the fault simulation module is connected with another adjacent live wire, for example A, B, C live wires, the fault simulation modules are respectively connected between A and B, A and C or between B and C, and when an actuating mechanism in the fault simulation module enables a path to be formed between the two live wires, the live wires form an interphase short-circuit fault. And the power supply of the fault simulation module is realized by the matching of one live wire and the zero wire and is used for driving an actuating mechanism in the fault simulation module to operate.
Drawings
Fig. 1 is a schematic overall structural diagram provided by an embodiment of the present invention;
fig. 2 is a schematic view of a partial structure provided by an embodiment of the present invention.
The device comprises a power line 1, a zero line 2, a conducting wire 3, a master control module 4, a broken circuit simulation module 5, a temperature simulation module 6, a winding grounding simulation module 7, a short circuit simulation module 8, a phase-lacking simulation module 9, a first switching element 10, a first driving element 11, a switch body 12 and an indicating element 13.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The utility model provides an electrical fault simulation platform can simulate various electrical faults with electrical apparatus to can realize that various electrical apparatus trouble characteristic reappears, with valuable data under the same running state condition. The electrical fault simulation platform comprises a plurality of fault simulation modules, a zero line 2 and a plurality of live wires 1;
the zero line 2 and the live line 1 are used for supplying power to electrical appliances; at least one fault simulation module is arranged on any live wire 1 and used for realizing the on-off of the live wire 1; at least one fault simulation module is arranged between two adjacent live wires 1 and used for realizing short circuit of the two live wires 1; at least one fault simulation module is arranged between any live wire 1 and zero wire 2 and used for realizing power supply of the fault simulation module.
As shown in fig. 1, the number of the live wires 1 in this embodiment is three, and the live wires 1 and the neutral wires 2 are used for supplying power to the three-phase ac electrical appliance. The fault simulation module is matched with the live wire 1 and the zero wire 2 to realize various circuit faults, and the circuit can be regarded as an internal circuit of an electrical appliance, so that the fault simulation module can be equivalent to various electrical faults generated in the electrical appliance.
The fault simulation module is connected in series on the live wire 1, the on-off of the live wire 1 is realized through an executing mechanism (namely a driving piece) in the fault simulation module, when three live wires 1 are all broken, the fault of the internal circuit of the electric appliance is simulated, and when only one or two live wires 1 are broken, the phase-loss operation fault of the electric appliance is simulated. One end of the fault simulation module is connected with one live wire 1, the other end of the fault simulation module is connected with another adjacent live wire 1, such as A, B, C live wires 1, the fault simulation module is respectively connected between A and B, A and C or between B and C, and when an actuating mechanism in the fault simulation module enables a passage to be formed between the two live wires 1, the live wires 1 form an interphase short-circuit fault.
The power supply of the fault simulation module is realized by the cooperation of one live wire 1 and a zero wire 2, and the fault simulation module is used for driving an execution mechanism in the fault simulation module to operate.
In an alternative embodiment, the fault simulation module comprises a module body having an input and an output and a switch body 12; the access end is electrically connected with the live wire 1, and the access end is electrically connected with the zero line 2; the switch body 12 is connected in series between the live wire 1 and the outlet end, or the switch body 12 is connected in series between the neutral wire 2 and the inlet end. The switch body 12 is used for controlling the operation of the module body, so that the actuating mechanism in the module body is independent or matched with other module bodies to realize a certain fault of a circuit, such as open circuit, short circuit or open-phase operation.
In another alternative embodiment, the fault simulation module includes a module body, and the module body is connected in series to one live wire 1 or three live wires 1 through an incoming end and an outgoing end. The module body in the fault simulation module is a switch piece, and the switch piece can realize the open circuit fault or open-phase operation of the live wire 1.
In another alternative embodiment, the fault simulation module comprises a switch body 12, the switch body 12 being connected in series between the live line 1 and the outlet, or the switch body 12 being connected in series between the neutral line 2 and the inlet.
In an optional embodiment, the fault simulation module further includes an indicator 13, the switch body 12 is connected in series between the neutral line 2 and the incoming end, the switch body 12 has a first contact and a second contact which are interlocked with each other, the indicator 13 is disposed between the neutral line 2 and the first contact, the first contact and the second contact are connected in parallel with each other, the first contact is connected in series between the incoming end and the neutral line 2, and the second contact is connected in series between the incoming end and the outgoing end.
The first contact and the second contact are interlocked, when the first contact is closed, the second contact is opened, otherwise, when the first contact is opened, the second contact is closed. When the second contact for controlling the operation of the module body is closed, the module body operates, at the moment, the first contact is disconnected, and the indicator 13 does not operate; when the second contact is closed, the first contact is disconnected, the indicator 13 operates at the moment, and the module body stops operating if the state is prompted by an indicator lamp and the like.
Preferably, the indicator 13 is an indicator light, and when the module body is powered on to operate, the indicator light is not on; when the module body is powered off, the indicator light is powered on.
In this embodiment, the fault simulation module includes an open circuit simulation module 5, a temperature simulation module 6, a short circuit simulation module 8, a phase loss simulation module 9, a winding grounding simulation module 7, and a master control module 4.
The circuit breaking simulation module 5 comprises two module bodies used for forming a contactor, the two module bodies are respectively a first switch piece 10 and a first driving piece 11, the first switch piece 10 is connected on the live wire 1 in series through an incoming end and an outgoing end, and the first driving piece 11 is connected between the live wire 1 and the zero wire 2 in series through the incoming end and the outgoing end.
The circuit breaking simulation module 5 is a contactor and is formed by matching two sets of fault simulation modules, wherein a module body in one set of fault simulation module is a three first switch piece 10, a module body in the other set of fault simulation module is a first driving piece 11, the three first switch pieces 10 are connected in series on three live wires 1 through an incoming end and an outgoing end respectively, and the first driving piece 11 is connected in series between any one of the three live wires 1 and a zero wire 2 through the incoming end and the outgoing end.
When the first driving member 11 is powered on, the first switching member 10 is in a connected state through electromagnetic force, and at the time, the three live wires 1 are all connected; when the open-circuit fault needs to be simulated, the power supply of the first driving part 11 is cut off, the acting force of the first driving part 11 on the first switching part 10 disappears, at the moment, the first switching part 10 is reset to the cut-off state under the action of the reset spring, and the three live wires 1 are all cut off, so that the simulation of the open-circuit fault is realized.
The temperature simulation module 6 comprises a module body and a temperature measurement piece, the module body is an electric heating piece, and the electric heating piece is connected between the live wire 1 and the zero wire 2 in series through the connecting end and the connecting end.
The electric heating element generates heat in a power supply state, and the temperature measuring end of the temperature measuring element monitors the heat generated by the electric heating element and transmits temperature data out through the data transmission end.
The electric heating element is a heating wire or a resistor, or other devices capable of converting electric energy into heat energy.
The short circuit simulation module 8 comprises two module bodies used for forming a contactor, the two module bodies are respectively a second switch piece and a second driving piece, the second switch piece is connected between two adjacent live wires 1 in series through an incoming end and an outgoing end, and the second driving piece is connected between the live wires 1 and the zero wire 2 in series through the incoming end and the outgoing end.
The short circuit simulation module 8 is a contactor and is formed by matching two sets of fault simulation modules, wherein a module body in one set of fault simulation module is a second switch piece, a module body in the other set of fault simulation module is a second driving piece, the second switch piece is connected between two adjacent live wires 1 in series through an incoming end and an outgoing end respectively, and the second driving piece is connected between any one of the three live wires 1 and a zero wire 2 in series through the incoming end and the outgoing end.
When the second driving piece is not electrified, the second switching piece is in a disconnected state under the action of the return spring, and at the moment, the three live wires 1 are independently powered; when short-circuit faults need to be simulated, the power supply of the second driving piece is communicated, the second driving piece enables the first switch piece 10 to overcome the elastic force of the reset spring to be communicated through electromagnetic force, and the two live wires 1 are communicated, so that the simulation of the short-circuit faults is realized.
The open-phase simulation module 9 comprises two module bodies for forming a contactor, the two module bodies are respectively a third switch piece and a third driving piece, the third switch piece is connected in series on the live wire 1 through an incoming end and an outgoing end, and the third driving piece is connected in series between the live wire 1 and the zero wire 2 through the incoming end and the outgoing end.
The winding grounding simulation module 7 comprises a module body and a residual current sensor, the module body is a resistor, the resistor is connected between the live wire 1 and the zero line 2 in series through an access end and a connection end, or the resistor is connected between the live wire 1 and the ground wire in series through the access end and the connection end.
Preferably, the resistance element is connected in series with the live wire 1 and the zero wire 2 through the access end and the access end, and the residual current sensor measures the current of the circuit where the resistance element is located and outputs a current signal obtained through monitoring. The circuit of resistance piece place is equipped with switch body 12, and switch body 12 is in normally open state, and no current passes through on the resistance piece, and when needs simulation winding ground connection, switch body 12 intercommunication, the current flows in the circuit of resistance piece place to realize the winding ground connection.
The master control module 4 comprises a module body which is a fourth switch piece, the fourth switch piece is electrically connected with the live wire 1 through an access end, and the fourth switch piece is electrically connected with the access ends of other module bodies through an output end.
The lead 3 is connected to the end that connects of fourth switching element, and the incoming end of first driving piece 11 in the analog module 5 that opens circuit, the incoming end of electric heat piece in the temperature analog module 6, the incoming end of second driving piece in the short circuit analog module 8, the incoming end of third driving piece in the default phase analog module 9 and the incoming end of resistance piece in the winding ground connection analog module 7 all are connected with this lead 3 electricity to the realization is connected with the electricity of live wire 1. And a fourth switch in the master control module 4 can control the on-off of each module.
In an optional implementation mode, the main control module 4 further includes an indicator light, the fourth switch element has a third contact and a fourth contact which are interlocked with each other, the indicator light is arranged between the zero line 2 and the third contact, the third contact and the fourth contact are arranged in parallel, the third contact is connected in series between the incoming end and the zero line 2, and the fourth contact is connected in series between the incoming end and the outgoing end.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electrical fault simulation platform is characterized by comprising a plurality of fault simulation modules, a zero line (2) and a plurality of live wires (1);
the zero line (2) and the live line (1) are used for supplying power to electrical appliances;
at least one fault simulation module is arranged on any live wire (1) and used for realizing the connection and disconnection of the live wire (1); at least one fault simulation module is arranged between two adjacent live wires (1) and used for realizing short circuit of the two live wires (1); and at least one fault simulation module is arranged between any live wire (1) and neutral wire (2) and used for realizing power supply of the fault simulation module.
2. Electrical fault simulation platform according to claim 1, characterized in that the fault simulation module comprises a module body and/or a switch body (12), the module body having an incoming end and an outgoing end; the access end is electrically connected with the live wire (1), and the output end is electrically connected with the live wire (1) or the zero line (2);
the switch body (12) is connected in series between the live wire (1) and the access end, or the switch body (12) is connected in series between the zero wire (2) and the access end.
3. Electrical fault simulation platform according to claim 1, characterized in that the fault simulation module comprises a module body, a switch body (12) and an indicator (13);
the module body is provided with an access end and an access end; the access end is electrically connected with the live wire (1), and the access end is electrically connected with the live wire (1) or the zero wire (2); the switch body (12) is connected in series between the zero line (2) and the incoming end, the switch body (12) is provided with a first contact and a second contact which are mutually linked, the first contact and the second contact are mutually connected in parallel, the first contact is connected in series between the incoming end and the zero line (2), and the second contact is connected in series between the incoming end and the outgoing end; the indicator (13) is arranged between the neutral wire (2) and the first contact.
4. The electrical fault simulation platform according to claim 2, characterized in that the fault simulation module is a circuit breaking simulation module (5), the circuit breaking simulation module (5) comprising two of the module bodies for forming a contactor, the two module bodies being respectively a first switching element (10) and a first actuating element (11), the first switching element (10) being connected in series on the live line (1) through the incoming end and the outgoing end, the first actuating element (11) being connected in series between the live line (1) and the neutral line (2) through the incoming end and the outgoing end.
5. The electrical fault simulation platform of claim 2, wherein the fault simulation module is a temperature simulation module (6), the temperature simulation module (6) comprises a module body and a temperature measuring element, the module body is an electric heating element, and the electric heating element is connected in series between the live wire (1) and the neutral wire (2) through the incoming end and the outgoing end.
6. The electrical fault simulation platform according to claim 2, characterized in that the fault simulation module is a short circuit simulation module (8), the short circuit simulation module (8) comprises two of the module bodies for forming a contactor, the two module bodies are respectively a second switch element and a second driving element, the second switch element is connected in series between two adjacent live wires (1) through the incoming end and the outgoing end, and the second driving element is connected in series between the live wires (1) and the neutral wires (2) through the incoming end and the outgoing end.
7. The electrical fault simulation platform of claim 2, characterized in that the fault simulation module is a phase-loss simulation module (9), the phase-loss simulation module (9) comprises two of the module bodies for forming a contactor, the two module bodies are respectively a third switch element and a third driving element, the third switch element is connected in series on the live wire (1) through the incoming end and the outgoing end, and the third driving element is connected in series between the live wire (1) and the neutral wire (2) through the incoming end and the outgoing end.
8. The electrical fault simulation platform of claim 2, wherein the fault simulation module is a winding ground simulation module (7), the winding ground simulation module (7) comprising one of the module body and one of the residual current sensors, the module body being a resistive member, the resistive member being connected in series between the live wire (1) and the neutral wire (2) through the input and the output, or the resistive member being connected in series between the live wire (1) and the ground wire through the input and the output.
9. The electrical fault simulation platform according to any one of claims 4 to 8, wherein the fault simulation module further comprises a general control module (4), the general control module (4) comprises one of the module bodies, the module body is a fourth switch, the fourth switch is electrically connected with the live wire (1) through the incoming end, and the fourth switch is electrically connected with the incoming ends of other module bodies in the electrical fault simulation platform through the outgoing end.
10. The electrical fault simulation platform of claim 9, wherein the master control module (4) further comprises an indicator light, the fourth switch member has a third contact and a fourth contact which are interlocked with each other, the third contact and the fourth contact are arranged in parallel with each other, the third contact is connected in series between the incoming end and the zero line (2), and the fourth contact is connected in series between the incoming end and the outgoing end; the indicator light is arranged between the zero line (2) and the third contact.
CN202220512480.XU 2022-03-10 2022-03-10 Electrical fault simulation platform Active CN217305490U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220512480.XU CN217305490U (en) 2022-03-10 2022-03-10 Electrical fault simulation platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220512480.XU CN217305490U (en) 2022-03-10 2022-03-10 Electrical fault simulation platform

Publications (1)

Publication Number Publication Date
CN217305490U true CN217305490U (en) 2022-08-26

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ID=82934926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220512480.XU Active CN217305490U (en) 2022-03-10 2022-03-10 Electrical fault simulation platform

Country Status (1)

Country Link
CN (1) CN217305490U (en)

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