CN209117798U - A kind of polar intelligent remote control device of check current transformer - Google Patents

A kind of polar intelligent remote control device of check current transformer Download PDF

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Publication number
CN209117798U
CN209117798U CN201821893107.3U CN201821893107U CN209117798U CN 209117798 U CN209117798 U CN 209117798U CN 201821893107 U CN201821893107 U CN 201821893107U CN 209117798 U CN209117798 U CN 209117798U
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China
Prior art keywords
control device
current transformer
remote control
central processing
processing unit
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CN201821893107.3U
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Inventor
吕义科
陈嘉俊
吴洪波
张俊杰
叶德富
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Guangdong Power Grid Co Ltd
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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Abstract

The utility model relates to the technical fields of current transformer test, more specifically, it is related to a kind of polar intelligent remote control device of check current transformer, control device and output device including being set in the housing portion, it is communicated between control device and output device, output device is connected to the primary side of current transformer, and control device is connected to the secondary side of current transformer;Output device includes the output interface for exporting DC pulse, and control device includes the reception sampling apparatus for receiving current impulse and the display device for showing sampling analysis result.The control device and output device of the utility model are established by radio net and are communicated, and are realized accurately assigning for instruction, are guaranteed the synchronism and reliability tested every time;The polarity of current transformer is checked using the utility model, each winding only needs 1 ~ 2 test, saves the time, improves working efficiency, can be improved accuracy, the reliability of polarity judgement, shortens power off time, be conducive to send a telegram in reply in time.

Description

A kind of polar intelligent remote control device of check current transformer
Technical field
The utility model relates to the technical fields of current transformer test, more particularly, to a kind of check Current Mutual Inductance The polar intelligent remote control device of device.
Background technique
It is related in the change work of current transformer or its secondary circuit in substation, such as: newly-built construction, technological transformation are tested Whether receipts, pre-commissioning check etc., the polarity that need to verify current transformer are correct.Common practice is in current transformer primary side It is instantaneous to apply DC pulse, then at the secondary loop of mutual inductor input terminal of the positions such as protection screen, observing and controlling screen by Whether needle DC galvanometer, verification polarity are correct.At present in the test polar work of current transformer, first by the people that works Member A connects lead according to polar end in current transformer primary side, then hand-held 2 ~ 3 dry cells are connected in series, negativing ending grounding, etc. It orders that lead is shorted battery positive again to staff B;Current Mutual Inductance of the staff B in positions such as protection screen, observing and controlling screens It by needle DC galvanometer at device secondary circuit input terminal, is contacted by phone, intercom etc. with A, its short circuit of ordering Battery applies instantaneous DC pulse to current transformer, and whether B is correct by beat of pointer walking direction current transformer polarity.
Currently, in the test polar work of current transformer, the following limitations exist: one, the connection of two positions is linked up Problem, the staff in different operating place by issuing an order in phone, intercom, meter reading, there are asynchronous problems, may can also It is influenced by communication quality, influences working efficiency to a certain extent;Two, artificially judge the whether correct problem of polarity, by It is influenced in human factor, observes by the naked eye indicator type current meter beat of pointer direction and easily determine mistake;Three, manpower executes control The problem of processed, is responsible for being shorted the staff of dry cell since it is desired that many-sided coordination, executes in the movement for applying DC pulse When there are uncertain factors, risk factors.In addition, at present in test method can only three-phase by mutually testing, that is, after testing a phase, Line, then wiring are solved, is tested, it is time-consuming, inefficient.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of check current transformer polar intelligence Energy remote control device, saves the working time, improves working efficiency, accuracy, the reliability of polarity judgement is improved, when shortening has a power failure Between, be conducive to send a telegram in reply in time, the operating risk for avoiding operating personnel from walking up and down.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of polar intelligent remote control device of check current transformer is provided, including be set in the housing the control device in portion with Output device communicates to connect between the control device and output device, and the output device is connected to the primary of current transformer Side, the control device are connected to the secondary side of current transformer;The output device includes for exporting the defeated of DC pulse Outgoing interface, the control device include reception sampling apparatus for receiving current impulse and for showing sampling analysis result Display device.
The polar intelligent remote control device of the check current transformer of the utility model, when use, are mutual in electric current by output device Sensor primary side carefully connects the wire, and then control device carefully connects the wire at secondary circuit input terminal;Determine safely, meet work Under the premise of condition, control device is executed instruction to output device sending, and output device exports DC pulse after receiving instruction To the primary side of current transformer, the progress of disease of the primary side DC pulse through current transformer is generated in the secondary side of current transformer Current impulse receives sampling apparatus and carries out sampling analysis, and display device shows sampling analysis result in display screen.This reality Communicated with novel output device and control device, realize instruction it is reliable, accurately assign, the synchronism that guarantee is tested each time With reliability.
Further, the control device include the first central processing unit and connect with the first central processing unit first Power module, the first communication module, the input terminal for receiving sampling apparatus and being connected to the first central processing unit, the display dress Set the output end for being connected to the first central processing unit.First power module provides power supply, the first communication mould for control device operation Block is used to carry out liaison with output device, order executes, and the first central processing unit receives instruction simultaneously under the support of power supply Command information is issued, is passed through and is received sampling arrangement samples and carry out current transformer polarity judgement, and by judging result, communication shape The information such as state, unit state are shown by display device.
Further, first power module be can the DC power supplier that charges of external AC power source.In this way Setting can guarantee the steady and sustained operation of device, extend the service life of remote control device.
Further, first communication module includes the first antenna for stretching out shell setting.The setting energy of first antenna Realize the wireless transmission of information, enough convenient for carrying out liaison and order execution with output device.
Further, the input terminal of first central processing unit is connected with the first button for Switching Power Supply, is used for Switch to the second button of communication test mode and the third button for switching to polarity test mode.It is pressed by first Button, the second button, third button send to the first central processing unit and instruct, and the first central processing unit drives the first communication module to be sent out Command information out, by receiving sampling arrangement samples, the first central processing unit analyzes and determines the polarity of current transformer, and will sentence The information such as disconnected result, communication state, unit state are shown by display device.
Further, the outer surface of first button is equipped with red marker, and the outer surface of second button is equipped with The outer surface of blue marker, the third button is equipped with yellow marker.Device is convenient in the setting of the marker of different colours The switching of different working modes, avoids operation error.
Further, the output device include the second central processing unit and connect with the second central processing unit second Communication module, second power supply module, first communication module, the communication of the second communication module, the output interface are connected to the The output end of two central processing units.Second power supply module provides power supply for output device operation, and the first communication module is used for and control Device processed carries out liaison, and order executes;Second power supply module provides power supply for output device;Second central processing unit is from Two communication modules receive the instruction for executing output, and DC power supply is driven to export DC pulse in output port.
Further, the second power supply module be can the DC power supplier that charges of external AC power source.In this way Setting can guarantee the steady and sustained operation of device, extend the service life of remote control device.
Further, second communication module includes the second antenna for stretching out shell setting.The setting energy of second antenna Realize the wireless transmission of information, enough convenient for carrying out liaison and order execution with control device.
Further, the output end of second central processing unit is also connected with ground connection point interface.The utility model setting Three DC pulse output interfaces, a ground connection point interface, after the order that central processing unit receives output pulse, by straight Galvanic electricity source module, the primary side of output DC pulse to current transformer.
Compared with prior art, the utility model has the beneficial effects that
(1) control device of the utility model and output device are established by radio net and are communicated, and that realizes instruction can It leans on, accurately assign, guarantee the synchronism and reliability tested every time;
(2) the utility model is judged using direction of first central processing unit to DC pulse, and then judges electric current Whether the polarity of mutual inductor is correct, reduces influence of the human factor to judging result;
(3) the utility model is used, each winding only needs 1 ~ 2 test, saves the time, improves working efficiency, can Accuracy, the reliability for improving polarity judgement, shorten power off time, are conducive to send a telegram in reply in time, and can be avoided operating personnel Return the operating risk walked about.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for checking the control device of the polar intelligent remote control device of current transformer.
Fig. 2 is the structural schematic diagram for checking the output device of the polar intelligent remote control device of current transformer.
In attached drawing: 1- control device;11- receives sampling apparatus;12- display device;The first central processing unit of 13-;14- One power module;The first communication module of 15-;16- first antenna;The first button of 17-;The second button of 18-;19- third button;2- Output device;21- output interface;The second central processing unit of 22-;The second communication module of 23-;24- second power supply module;25- Two antennas;26- is grounded point interface;3- shell.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent;In order to which this reality is better described With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To ability For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;It is practical at this In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
It is as shown in Figure 1 to Figure 2 the embodiment of the check polar intelligent remote control device of current transformer of the utility model, Including the control device 1 and output device 2 being set to inside shell 3, communicated to connect between the control device 1 and output device 2, institute The primary side that output device 2 is connected to current transformer is stated, the control device 1 is connected to the secondary side of current transformer;Institute Stating output device 2 includes the output interface 21 for exporting DC pulse, and the control device 1 includes for receiving current impulse Reception sampling apparatus 11 and display device 12 for showing sampling analysis result.
As shown in Figure 1, control device 1 include the first central processing unit 13 and connect with the first central processing unit 13 the One power module 14, the first communication module 15, the input terminal for receiving sampling apparatus 11 and being connected to the first central processing unit 13, The display device 12 is connected to the output end of the first central processing unit 13.First power module 14 is that the operation of control device 1 mentions Power supply source, the first communication module 15 is used to carry out liaison with output device 2, order executes, and the first central processing unit 13 exists It is received under the support of power supply and instructs and issue command information, by receiving the sampling of sampling apparatus 11 and carrying out current transformer polarity Judgement, and the information such as judging result, communication state, unit state are shown by display device 12.Wherein, first power supply Module 14 be can the DC power supplier that charges of external AC power source, guarantee the steady and sustained operation of device, extend remote control The service life of device;First communication module 15 includes the first antenna 16 stretching out shell 3 and being arranged, and can be realized information Wireless transmission, convenient for carrying out liaison and order execution with output device 2.In addition, first central processing unit 13 is defeated Enter end to be connected with the first button 17 for Switching Power Supply, the second button 18 for switching to communication test mode and be used for The third button 19 for switching to polarity test mode, it is central to first by the first button 17, the second button 18, third button 19 Processor 13 sends instruction, and the first central processing unit 13 drives the first communication module 15 to issue command information, is sampled by receiving Device 11 samples, and the first central processing unit 13 analyzes and determines the polarity of current transformer, and by judging result, communication state, dress The information such as state are set to show by display device 12.The outer surface of the first button 17 in this implementation is equipped with red marker, institute The outer surface for stating the second button 18 is equipped with blue marker, and the outer surface of the third button 19 is equipped with yellow marker, different The setting of color marker is to explicitly indicate that the switching between each operating mode, avoid operation error and make excellent Choosing, and it is not intended as restrictive regulation.
As shown in Fig. 2, the output device 2 includes the second central processing unit 22 and connect with the second central processing unit 22 The second communication module 23, second power supply module 24, first communication module 15, the second communication module 23 communication, it is described defeated Outgoing interface 21 is connected to the output end of the second central processing unit 22.Second power supply module 24 provides power supply for the operation of output device 2, First communication module 15 is used to carry out liaison with control device 1, and order executes;Second power supply module 24 is output device 2 Power supply is provided;Second central processing unit 22 receives the instruction for executing output from the second communication module 23, drives DC power supply defeated Exit port exports DC pulse.Wherein, the second power supply module 24 be can the DC power supply that charges of external AC power source Module guarantees the steady and sustained operation of device, extends the service life of remote control device;Second communication module 23 includes stretching out The second antenna 25 that shell 3 is arranged, realizes the wireless transmission of information, convenient for holding with the progress liaison of control device 1 and order Row.In addition, the output end of second central processing unit 22 is also connected with ground connection point interface 26, there are three straight for the present embodiment setting Flow pulse output interface 21, a ground connection point interface 26, after the order that central processing unit receives output pulse, by direct current Power module, the primary side of output DC pulse to current transformer.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (10)

1. a kind of polar intelligent remote control device of check current transformer, which is characterized in that the control including being set in the housing portion Device and output device communicate to connect between the control device and output device, and the output device is connected to current transformer Primary side, the control device is connected to the secondary side of current transformer;The output device includes for exporting direct current arteries and veins The output interface of punching, the control device include reception sampling apparatus for receiving current impulse and for showing sampling point Analyse the display device of result.
2. the polar intelligent remote control device of check current transformer according to claim 1, which is characterized in that the control Device includes the first central processing unit and the first power module connecting with the first central processing unit, the first communication module, institute It states and receives the input terminal that sampling apparatus is connected to the first central processing unit, the display device is connected to the first central processing unit Output end.
3. the polar intelligent remote control device of check current transformer according to claim 2, which is characterized in that described first Power module is can the DC power supplier that charges of external AC power source.
4. the polar intelligent remote control device of check current transformer according to claim 2, which is characterized in that described first Communication module includes the first antenna for stretching out shell setting.
5. the polar intelligent remote control device of check current transformer according to claim 2, which is characterized in that described first The input terminal of central processing unit is connected with the first button for Switching Power Supply, presses for switching to the second of communication test mode Button and third button for switching to polarity test mode.
6. the polar intelligent remote control device of check current transformer according to claim 5, which is characterized in that described first The outer surface of button is equipped with red marker, and the outer surface of second button is equipped with blue marker, the third button Outer surface is equipped with yellow marker.
7. according to the polar intelligent remote control device of the described in any item check current transformers of claim 2 to 6, feature exists In the output device includes the second central processing unit and the second communication module connecting with the second central processing unit, second Power module, first communication module, the communication of the second communication module, the output interface are connected to the second central processing unit Output end.
8. the polar intelligent remote control device of check current transformer according to claim 7, which is characterized in that described second Power module is can the DC power supplier that charges of external AC power source.
9. the polar intelligent remote control device of check current transformer according to claim 7, which is characterized in that described second Communication module includes the second antenna for stretching out shell setting.
10. the polar intelligent remote control device of check current transformer according to claim 7, which is characterized in that described The output end of two central processing units is also connected with ground connection point interface.
CN201821893107.3U 2018-11-16 2018-11-16 A kind of polar intelligent remote control device of check current transformer Active CN209117798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821893107.3U CN209117798U (en) 2018-11-16 2018-11-16 A kind of polar intelligent remote control device of check current transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821893107.3U CN209117798U (en) 2018-11-16 2018-11-16 A kind of polar intelligent remote control device of check current transformer

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CN209117798U true CN209117798U (en) 2019-07-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666502A (en) * 2020-12-03 2021-04-16 广东电网有限责任公司中山供电局 Hand-held type CT polarity tester device
CN112684381A (en) * 2020-12-03 2021-04-20 广东电网有限责任公司中山供电局 CT polarity tester of hand-held type wireless transmission sampling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666502A (en) * 2020-12-03 2021-04-16 广东电网有限责任公司中山供电局 Hand-held type CT polarity tester device
CN112684381A (en) * 2020-12-03 2021-04-20 广东电网有限责任公司中山供电局 CT polarity tester of hand-held type wireless transmission sampling

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