CN209746092U - Novel relay protection testing device - Google Patents

Novel relay protection testing device Download PDF

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Publication number
CN209746092U
CN209746092U CN201920098404.7U CN201920098404U CN209746092U CN 209746092 U CN209746092 U CN 209746092U CN 201920098404 U CN201920098404 U CN 201920098404U CN 209746092 U CN209746092 U CN 209746092U
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CN
China
Prior art keywords
detection
circuit
data communication
relay protection
power supply
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920098404.7U
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Chinese (zh)
Inventor
戈一奎
倪嘉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Xinrui Electric Power Technology Co Ltd
Original Assignee
Nanjing Xinrui Electric Power Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201920098404.7U priority Critical patent/CN209746092U/en
Application granted granted Critical
Publication of CN209746092U publication Critical patent/CN209746092U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a novel relay protection testing arrangement, including bearing the shell, detect binding post, power binding post, voltage transformer, current transformer, detection circuitry, a baffle, auxiliary power supply, the loading board, data communication device and data processing circuit, it divides into a plurality of detection chambeies and a control chamber to bear the interior, every detection circuitry electrical connection that detects binding post constitutes a detection group, binding post passes through the wire respectively with at least one voltage transformer and at least one current transformer electrical connection, auxiliary power supply, data communication device and data processing circuit all are located the control intracavity. This novel effective wiring scope of increase that can be very big improves the flexibility of using, can effectively satisfy simultaneously on the one hand and carry out the needs that detect the operation to multinomial parameters such as electric current, voltage, electric power and relay protection circuit running state parameter among the relay protection circuit system, and the effectual improvement of on the other hand integrates length and data communication ability.

Description

Novel relay protection testing device
Technical Field
The utility model relates to an electric power check out test set belongs to transmission of electricity equipment technical field.
Background
The relay protection device is an important device which currently ensures the stable operation of a circuit system and provides necessary protection for the circuit device when a circuit fault occurs, has huge use amount, but finds in practical use that currently, in order to ensure the stable operation state of the relay protection device and effectively meet the requirement of protection operation, a special measurement and control system is often required to be equipped for the relay protection device, on one hand, the operation state of the circuit system of the relay protection device is detected, on the other hand, the operation parameters of a circuit protected by the relay protection device are detected, so that the comprehensive operation performance parameters of the relay protection device are obtained, the compatibility and matching defects between the operation of the relay protection device and the current circuit protected can be timely found, and meanwhile, the accurate prejudgment and fault point confirmation of the operation fault of the relay protection device are realized, so that the operation reliability of the relay protection device is greatly improved, to meet the requirement, the currently used measurement and control system of the relay protection device often only can meet the requirement of detecting the operation state of the relay protection device, cannot detect the operation parameters of a circuit protected by the relay protection device and cannot realize the summary of the operation parameters of the circuit protected by the relay protection device and the operation state detection of the circuit system of the relay protection device, so that the measurement and control precision and the comprehensiveness of the currently used measurement and control system of the relay protection device are relatively poor, and on the other hand, the currently used measurement and control system often needs to be fixed at a specified position for long time to operate, the use flexibility is relatively poor, meanwhile, the data communication capacity of the currently used measurement and control system of the relay protection device is relatively poor, besides, when the current detection equipment is used for wiring operation, the length and the direction of a connecting wire cannot be effectively adjusted according to the use requirement, therefore, the detection result cannot be timely and effectively output, and the requirement of remote monitoring management operation cannot be effectively met.
Therefore, in view of the current situation, a new relay protection measurement and control device is urgently needed to be developed to meet the actual use requirement.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists on the prior art, the utility model provides a novel relay protection testing arrangement, this novel structural layout is compact, simple structure, and the flexible operation is convenient, the effective wiring scope of increase that can be very big improves the flexibility of using, and effectual improvement integrates length and data communication ability, when effectively carrying, operation use flexibility satisfies operation needs under the different environment, very big improvement testing result remote communication transmission ability in addition.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
A novel relay protection testing device comprises a bearing shell, detection connecting terminals, a power supply connecting terminal, a voltage transformer, a current transformer, a detection circuit, partition plates, an auxiliary power supply, a bearing plate, a data communication device and a data processing circuit, wherein the bearing shell is of a closed cavity structure, a plurality of partition plates are arranged in the bearing shell, the bearing shell is divided into a plurality of detection cavities and a control cavity through the partition plates, at least two detection connecting terminals are arranged, each detection connecting terminal is electrically connected with one detection circuit to form a detection group, the detection groups are respectively embedded in the detection cavities, each detection cavity is internally provided with one detection group, the detection cavities are mutually isolated, the detection groups are mutually connected in parallel, the detection groups are connected with the inner surface of the bearing shell corresponding to the detection cavities through the bearing plate, the side surface of the bearing shell corresponding to the detection groups is provided with a long hole type wire passing hole, and, the wiring terminal of the detection group is electrically connected with at least one voltage transformer and at least one current transformer through wires respectively, the power supply wiring terminal and the voltage transformer are located outside the bearing shell, the auxiliary power supply, the data communication device and the data processing circuit are located in the control cavity and are connected with the inner surface of the bearing shell through the bearing plate respectively, the data processing circuit is electrically connected with the detection circuit, the auxiliary power supply and the data communication device, the auxiliary power supply is electrically connected with the power supply wiring terminal, and the power supply wiring terminal is embedded in the side surface of the bearing shell corresponding to the control cavity.
Furthermore, baffle and loading board all pass through spout and bear shell internal surface sliding connection, just bear the shell internal surface and establish electromagnetic shield layer, the fire-retardant layer of elastic insulation is all established to baffle and loading board surface, at least one ground terminal is established to the electromagnetic shield layer, ground terminal is located and bears shell surface to be connected with detection circuitry, data processing circuit and electromagnetic shield layer electrical connection respectively.
Furthermore, the data processing circuit is electrically connected with the detection circuit, the auxiliary power supply and the data communication device through the electronic switch circuit.
Furthermore, the auxiliary power supply is electrically connected with the power supply wiring terminal and the data processing circuit respectively through the charging and discharging control circuit.
Furthermore, the detection circuit comprises an electric phase detection circuit, a waveform generator, a signal amplification circuit, an AD conversion circuit, a coding and decoding circuit and a data communication circuit, wherein the signal amplification circuit is electrically connected with the voltage transformer, the current transformer, the phase detection circuit, the waveform generator and the AD conversion circuit respectively, and the data communication circuit is electrically connected with the phase detection circuit, the waveform generator, the signal amplification circuit and the AD conversion circuit respectively through the coding and decoding circuit.
Furthermore, the detection group is hinged with the bearing plate through the turntable mechanism, and wires connected with the detection wiring terminal, the voltage transformer and the current transformer are connected with the bearing plate through the wire rewinding device.
Furthermore, the data communication device comprises a serial data communication unit and a wireless data communication unit, wherein at least one serial communication terminal is arranged on the outer surface of the bearing shell corresponding to the serial data communication unit, and at least one LDS wireless data communication antenna is arranged on the inner surface of the bearing shell on the side corresponding to the wireless data communication unit.
Furthermore, the data processing circuit is a circuit system based on an IGBT chip.
This novel structural layout is compact, moreover, the steam generator is simple in structure, the flexible operation is convenient, the effective wiring scope of increase that can be very big, improve the flexibility of using, simultaneously can effectively satisfy the needs that carry out the detection operation to multiple parameters such as relay protection circuit system on the one hand, voltage, electric power and relay protection circuit running state parameter, and it is high to detect the operation precision, data processing ability is strong, on the other hand effectual improvement integrates length and data communication ability, effectively improve and carry, when the operation uses the flexibility to satisfy operation needs under the different environment, very big improvement testing result remote communication transmission ability in addition.
drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in figure 1, a novel relay protection testing device comprises a bearing shell 1, a detection wiring terminal 2, a power supply wiring terminal 3, a voltage transformer 4, a current transformer 5, a detection circuit 6, a partition 7, an auxiliary power supply 8, a bearing plate 9, a data communication device 10 and a data processing circuit 11, wherein the bearing shell 1 is of a closed cavity structure, the bearing shell 1 is internally provided with a plurality of partitions 7, the bearing shell 1 is divided into a plurality of detection cavities 101 and a control cavity 102 through the partitions 7, the number of the detection wiring terminals 2 is at least two, each detection wiring terminal 2 is electrically connected with one detection circuit 6 to form a detection group, the detection groups are respectively embedded in the detection cavities 101, each detection cavity 101 is internally provided with a detection group, the detection cavities 101 are mutually isolated, the detection groups are mutually connected in parallel, the detection groups are connected with the inner surface of the bearing shell 1 corresponding to the detection cavities 101 through the bearing plate 9, the long-hole-type wire passing hole 103 is formed in the side surface of the bearing shell 1 corresponding to the detection group, the length of the wire passing hole 103 is not less than 3 cm, the wiring terminal 2 of the detection group is electrically connected with at least one voltage transformer 4 and at least one current transformer 5 through a wire 12 respectively, the power supply wiring terminal 4 and the voltage transformer 5 are located outside the bearing shell 1, the auxiliary power supply 8, the data communication device 10 and the data processing circuit 11 are located in the control cavity 102 and are connected with the inner surface of the bearing shell 1 through the bearing plate 9 respectively, the data processing circuit 11 is electrically connected with the detection circuit 6, the auxiliary power supply 8 and the data communication device 10, the auxiliary power supply 8 is electrically connected with the power supply wiring terminal 3, and the power supply wiring terminal 3 is embedded in the side surface of the.
Wherein, baffle 7 and loading board 9 all pass through spout 13 and bear the internal surface sliding connection of shell 1, just bear the internal surface of shell 1 and establish electromagnetic shield layer 14, elastic insulation fire-retardant layer 15 is all established to baffle 7 and loading board 9 surface, at least one ground terminal 16 is established to electromagnetic shield layer 14, ground terminal 16 is located and bears the external surface of shell 1 to be connected with detection circuitry 6, data processing circuit 11 and electromagnetic shield layer 14 electricity respectively.
In this embodiment, the data processing circuit 9 is electrically connected to the detection circuit 6, the auxiliary power supply 8 and the data communication device 10 through the electronic switch circuit 17, and the auxiliary power supply 8 is electrically connected to the power connection terminal 3 and the data processing circuit 11 through the charge and discharge control circuit.
Meanwhile, the detection circuit 6 comprises an electric phase detection circuit, a waveform generator, a signal amplification circuit, an AD conversion circuit, an encoding and decoding circuit and a data communication circuit, wherein the signal amplification circuit is electrically connected with the voltage transformer 4, the current transformer 5, the phase detection circuit, the waveform generator and the AD conversion circuit respectively, and the data communication circuit is electrically connected with the phase detection circuit, the waveform generator, the signal amplification circuit and the AD conversion circuit respectively through the encoding and decoding circuit.
It should be noted that the detection group is hinged to the carrying plate 9 through the turntable mechanism 18, and the wires 12 of the detection connection terminal 2 connected to the voltage transformer 4 and the current transformer 5 are connected to the carrying plate 9 through the wire rewinding device 19.
In addition, the data communication device 10 includes a serial data communication unit and a wireless data communication unit, wherein at least one serial communication terminal 20 is disposed on the outer surface of the bearing shell corresponding to the serial data communication unit, and at least one LDS wireless data communication antenna 21 is disposed on the inner surface of the bearing shell 1 corresponding to the wireless data communication unit.
Preferably, the data processing circuit is a circuit system based on an IGBT chip.
This is novel in the concrete implementation, at first assembles bearing shell, detection binding post, power binding post, voltage transformer, current transformer, detection circuitry, baffle, auxiliary power source, loading board, data communication device and data processing circuit, accomplishes this novel assembly operation, then according to the use needs with this novel can fix for a long time at appointed operating position through bearing the shell, also can fix temporarily then remove according to the use needs are nimble to satisfy the needs of different occasions and equipment detection operation.
In the detection operation, on one hand, the novel detection wiring terminal is electrically connected with the relay protection device to be detected through guiding, on the other hand, the novel detection wiring terminal is connected with an external circuit system connected with the relay protection device to be detected through a voltage transformer and a current transformer of a detection circuit, thereby simultaneously obtaining the operation parameters of the relay protection device to be detected and the operation parameters of an external circuit system connected with the relay protection device to be detected through the detection circuit, then the obtained operation parameters are compared and operated, the current operation state of the relay protection device to be detected and the matching and compatibility of the operation data between the relay protection device to be detected and the protection circuit system connected with the relay protection device to be detected are directly activated for detection, therefore, the operating state parameters of the relay protection device to be detected are comprehensively obtained, and accurate judgment basis is provided for maintenance and replacement of the current relay protection device.
This is novel in service, through baffle and loading board, and effectual each circuit components and parts insulation isolation of having realized to the effectual inaccurate condition of testing result that prevents to lead to because of mutual interference between circuit components and parts takes place, has also improved the efficiency that relevant components and parts trouble changed the adjustment simultaneously.
Simultaneously in operation, the direct testing result after the code of accessible data communication device carries out teletransmission in addition to very big improvement this novel when operation remote communication and supervision ability.
In addition, when detecting binding post, voltage transformer, current transformer and external circuit and being connected, accessible revolving stage mechanism nimble adjustment wire guiding position on the one hand avoids taking place with the circumstances such as bending radius undersize and lead to the wire fracture, and on the other hand can be according to the use needs, through the nimble adjustment wire length of spooler, avoids wire and other electrical components mutual interference circumstances that the wire overlength caused to take place, effectively improves the stability and the reliability of circuit operation.
This novel structural layout is compact, moreover, the steam generator is simple in structure, the flexible operation is convenient, the effective wiring scope of increase that can be very big, improve the flexibility of using, simultaneously can effectively satisfy the needs that carry out the detection operation to multiple parameters such as relay protection circuit system on the one hand, voltage, electric power and relay protection circuit running state parameter, and it is high to detect the operation precision, data processing ability is strong, on the other hand effectual improvement integrates length and data communication ability, effectively improve and carry, when the operation uses the flexibility to satisfy operation needs under the different environment, very big improvement testing result remote communication transmission ability in addition.
Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a novel relay protection test device which characterized in that: the novel relay protection testing device comprises a bearing shell, detection wiring terminals, a power supply wiring terminal, a voltage transformer, a current transformer, a detection circuit, partition plates, an auxiliary power supply, a bearing plate, a data communication device and a data processing circuit, wherein the bearing shell is of a closed cavity structure, the bearing shell is internally provided with a plurality of partition plates, the bearing shell is divided into a plurality of detection cavities and a control cavity through the partition plates, the detection wiring terminals are at least two, each detection wiring terminal is electrically connected with one detection circuit to form a detection group, the detection groups are respectively embedded in the detection cavities, each detection cavity is internally provided with one detection group, the detection cavities are mutually isolated, the detection groups are mutually connected in parallel, the detection groups are connected with the inner surface of the bearing shell corresponding to the detection cavities through the bearing plate, the side surface of the bearing shell corresponding to the detection groups is provided with a long hole type wire passing, the wire passing hole is not less than 3 cm in length, the wiring terminals of the detection group are respectively electrically connected with at least one voltage transformer and at least one current transformer through wires, the power wiring terminals and the voltage transformers are located outside the bearing shell, the auxiliary power supply, the data communication device and the data processing circuit are all located in the control cavity and are respectively connected with the inner surface of the bearing shell through the bearing plate, the data processing circuit is electrically connected with the detection circuit, the auxiliary power supply and the data communication device, the auxiliary power supply is electrically connected with the power wiring terminals, and the power wiring terminals are embedded in the side surface of the bearing shell corresponding to the control cavity.
2. The novel relay protection testing device of claim 1, characterized in that: the baffle and the loading board all pass through spout and bear shell internal surface sliding connection, just bear the shell internal surface and establish the electromagnetic shield layer, elastic insulation fire-retardant layer is all established to baffle and loading board surface, at least one ground terminal is established to the electromagnetic shield layer, ground terminal is located and bears the shell surface to respectively with detection circuitry, data processing circuit and electromagnetic shield layer electrical connection.
3. The novel relay protection testing device of claim 1, characterized in that: the data processing circuit is electrically connected with the detection circuit, the auxiliary power supply and the data communication device through the electronic switch circuit.
4. The novel relay protection testing device of claim 1, characterized in that: the auxiliary power supply is electrically connected with the power supply wiring terminal and the data processing circuit through the charging and discharging control circuit respectively.
5. The novel relay protection testing device of claim 1, characterized in that: the detection circuit comprises an electric phase detection circuit, a waveform generator, a signal amplification circuit, an AD conversion circuit, a coding and decoding circuit and a data communication circuit, wherein the signal amplification circuit is electrically connected with a voltage transformer, a current transformer, the phase detection circuit, the waveform generator and the AD conversion circuit respectively, and the data communication circuit is electrically connected with the phase detection circuit, the waveform generator, the signal amplification circuit and the AD conversion circuit respectively through the coding and decoding circuit.
6. The novel relay protection testing device of claim 1, characterized in that: the detection group is hinged with the bearing plate through the turntable mechanism, and wires connected with the detection wiring terminal, the voltage transformer and the current transformer are connected with the bearing plate through the wire rewinding device.
7. The novel relay protection testing device of claim 1, characterized in that: the data communication device comprises a serial port data communication unit and a wireless data communication unit, wherein at least one serial port communication terminal is arranged on the outer surface of a bearing shell corresponding to the serial port data communication unit, and at least one LDS wireless data communication antenna is arranged on the inner surface of a bearing shell on the side corresponding to the wireless data communication unit.
8. The novel relay protection testing device of claim 1, characterized in that: the data processing circuit is a circuit system based on an IGBT chip.
CN201920098404.7U 2019-01-21 2019-01-21 Novel relay protection testing device Expired - Fee Related CN209746092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920098404.7U CN209746092U (en) 2019-01-21 2019-01-21 Novel relay protection testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920098404.7U CN209746092U (en) 2019-01-21 2019-01-21 Novel relay protection testing device

Publications (1)

Publication Number Publication Date
CN209746092U true CN209746092U (en) 2019-12-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920098404.7U Expired - Fee Related CN209746092U (en) 2019-01-21 2019-01-21 Novel relay protection testing device

Country Status (1)

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CN (1) CN209746092U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112904119A (en) * 2021-01-21 2021-06-04 广东电网能源发展有限公司 Relay protection testing device and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112904119A (en) * 2021-01-21 2021-06-04 广东电网能源发展有限公司 Relay protection testing device and method thereof
CN112904119B (en) * 2021-01-21 2022-03-11 广东电网能源发展有限公司 Relay protection testing device and method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191206

Termination date: 20220121

CF01 Termination of patent right due to non-payment of annual fee