CN208314165U - Abnormal magnetic flux leakage monitoring system for transformer - Google Patents

Abnormal magnetic flux leakage monitoring system for transformer Download PDF

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Publication number
CN208314165U
CN208314165U CN201820850777.0U CN201820850777U CN208314165U CN 208314165 U CN208314165 U CN 208314165U CN 201820850777 U CN201820850777 U CN 201820850777U CN 208314165 U CN208314165 U CN 208314165U
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CN
China
Prior art keywords
transformer
coil
recording device
wave recording
voltage signal
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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
CN201820850777.0U
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Chinese (zh)
Inventor
杨家辉
袁耀
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China South Power Grid International Co ltd
China Southern Power Grid Co Ltd
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China South Power Grid International 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 CN201820850777.0U priority Critical patent/CN208314165U/en
Application granted granted Critical
Publication of CN208314165U publication Critical patent/CN208314165U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a transformer technical field discloses a transformer unusual magnetic leakage monitoring system, including transformer and record ripples device, the transformer includes oil tank and magnetic screen, and the magnetic screen is installed on the inner wall of oil tank, and the surface winding of magnetic screen has the coil, and the both ends of coil are passed the oil tank wall respectively and are connected the record ripples device. Through the surface winding coil at the magnetic screen, and make the both ends of coil pass the oil tank wall respectively and connect the wave recording device, make can convert the magnetic leakage into voltage signal through the coil, gather the voltage signal on the coil through the wave recording device simultaneously, and show voltage signal's waveform, reflect the state of magnetic leakage with the waveform that realizes through voltage signal, thereby realized the inside magnetic leakage of monitoring transformer, in order to ensure the phenomenon that can in time discover the unusual magnetic leakage of transformer, and then ensured the normal work of transformer.

Description

A kind of transformer exception leakage field monitoring system
Technical field
The utility model relates to transformer technology fields, monitor system more particularly to a kind of transformer exception leakage field.
Background technique
Power transformer be it is a kind of the alternating voltage (electric current) of a certain numerical value can be become frequency it is identical another or Electric energy can not only be sent to electricity consumption area by increasing voltage, also by the equipment of the different voltage of several numerical value (electric current) Voltage can be reduced at different levels using voltage, meet the requirement of electricity consumption, therefore, power transformer is widely used in people Daily life in.
With the rapid development of science and technology, the scale of power grid is gradually expanded, and power grid also becomes to become increasingly complex, and power grid The problem is also more and more.On the one hand, due to the rapid growth of load, so that the load of power transformer is in higher Level, therefore, when a failure occurs, power transformer it is possible that overload abnormal phenomenon;On the other hand, due to electronics A large amount of uses of device, and influenced by subway line direct current leakage and Geomagnetic phenomena etc., direct current can be scurried into AC network, There is phenomena such as D.C. magnetic biasing so as to cause power transformers, seriously disturbs the stable operation of power grid, these abnormal phenomenon It all will be on the leakage field that show power transformer.But the inside of power transformer directly measure leakage field be it is very difficult, Accordingly, it is difficult to find the abnormal leakage field of power transformer in time.
Utility model content
The purpose of the utility model is to provide a kind of transformer exception leakage fields to monitor system, to solve due to being difficult to measure electricity The leakage field of power transformer leads to be difficult to the technical issues of finding the abnormal magnetic flux leakage of power transformer in time, to ensure electric power The normal work of transformer.
In order to solve the above-mentioned technical problem, the utility model provides a kind of transformer exception leakage field monitoring system, including becomes Depressor and wave recording device, the transformer include fuel tank and magnetic screen, and the magnetic screen is mounted on the inner wall of the fuel tank, institute The outer surface for stating magnetic screen is wound with coil, and the both ends of the coil are each passed through oil tank wall and connect the wave recording device.
Preferably, the oil tank wall is equipped with connecting terminal, and the both ends of the coil pass through the wiring respectively Terminal connects the wave recording device.
Preferably, the material of the coil is circular copper wire.
Preferably, transformer exception leakage field monitoring system further includes warning device, the warning device with The wave recording device connection.
The utility model provides a kind of transformer exception leakage field monitoring system, including transformer and wave recording device, the change Depressor includes fuel tank and magnetic screen, and the magnetic screen is mounted on the inner wall of the fuel tank, the outer surface winding of the magnetic screen There is coil, the both ends of the coil are each passed through oil tank wall and connect the wave recording device.Pass through the appearance in the magnetic screen Face winds the coil, and so that the both ends of the coil is each passed through the oil tank wall and connect the wave recording device, makes it possible to Leakage field is enough converted by voltage signal by the coil, while the letter of the voltage on the coil is acquired by the wave recording device Number, and show the waveform of the voltage signal, to realize the state for reflecting leakage field by the waveform of the voltage signal, thus real The leakage field for having showed monitoring inside transformer, to guarantee the phenomenon that finding transformer exception leakage field in time, and then ensures change The normal work of depressor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the transformer in the utility model embodiment;
Fig. 2 is the connection schematic diagram of the transformer and wave recording device in the utility model embodiment.
Wherein, 1, transformer;11, fuel tank;12, magnetic screen;13, coil;14, connecting terminal;141, the first noumenon;142, Second ontology;143, the first fixing piece;144, the second fixing piece;2, wave recording device;3, the first connecting line;4, the second connecting line.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to figs. 1 and 2, a kind of transformer exception leakage field of the preferred embodiment in the utility model monitors system, packet Transformer 1 and wave recording device 2 are included, the transformer 1 includes fuel tank 11 and magnetic screen 12, and the magnetic screen 12 is connected to the oil On the inner wall of case 11, the outer surface of the magnetic screen 12 is wound with coil 13, and the both ends of the coil 13 are each passed through oil tank wall And connect the wave recording device 2.
In the utility model embodiment, by winding the coil 13 in the outer surface of the magnetic screen 12, and make institute The both ends for stating coil 13 are each passed through oil tank wall and connect the wave recording device 2, make it possible to leakage field through the coil 13 It is converted into voltage signal, while the voltage signal on the coil 13 is acquired by the wave recording device 2, and show the voltage The waveform of signal, to realize the state for reflecting leakage field by the waveform of the voltage signal, to realize in monitoring transformer 1 The leakage field in portion the phenomenon that guarantee to find the abnormal leakage field of transformer 1 in time, and then ensures the normal work of transformer 1.
In the utility model embodiment, the wave recording device 2 includes: signal acquisition unit, for acquiring the coil 13 voltage signal;Signal processing unit for handling the voltage signal of acquisition, and exports the voltage signal Waveform;Display unit, for showing the waveform of the voltage signal.Pass through the signal acquisition unit, the signal processing Unit and the display unit realize the wave recording device 2 and acquire voltage signal on the coil 13, and described in showing The waveform of voltage signal, and then realize the state for reflecting leakage field by the waveform of the voltage signal.
As shown in Fig. 2, the coil 13 is located at the inside of the fuel tank 11, the wave recording device 2 is located at the fuel tank 11 Outside, in order to realize the connection between the coil 13 and the wave recording device 2, oil tank wall described in the present embodiment is equipped with Connecting terminal 14, the both ends of the coil 13 pass through the connecting terminal 14 respectively and connect the wave recording device 2.By described The connecting terminal 14 is set on the side wall of fuel tank 11, enables the both ends of the coil 13 respectively by the connecting terminal 14 connections are located at the wave recording device 2 of the outside of fuel tank 11.
In the utility model embodiment, the mode that the connecting terminal 14 is set on the side wall of the fuel tank 11 can root Factually border service condition is arranged, and need to only meet ensures that the coil 13 can connect the recording dress by the connecting terminal 14 Set 2.Connecting terminal 14 described in the present embodiment is set to the one way in which of the side wall of the fuel tank 11, specific manifestation Are as follows: the connecting terminal 14 includes the first noumenon 141, the second ontology 142, the first fixing piece 143 and the second fixing piece 144, institute It states the first fixing piece 143 and second fixing piece 144 is oppositely arranged, the first noumenon 141 and second ontology 142 are equal Across first fixing piece 143 and second fixing piece 144, and respectively with first fixing piece 143 and described second Fixing piece 144 connects;First fixing piece 143 is connected on the outer wall of the fuel tank 11, and second fixing piece 144 connects On the inner wall of the fuel tank 12.
In the utility model embodiment, the both ends of the coil 13 connect the record by the connecting terminal 14 respectively Wave apparatus 2, specific manifestation are as follows: transformer exception leakage field monitoring system further includes the first connecting line 3 and the second connecting line 4, The first input end of the wave recording device 2 is fixed close to described first with the first noumenon 141 by first connecting line 3 One end of part 143 is electrically connected, and one end of the coil 13 and the first noumenon 141 are close to the one of second fixing piece 144 End electrical connection;Second input terminal of the wave recording device 2 is by second connecting line 4 with second ontology 142 close to institute One end electrical connection of the first fixing piece 143 is stated, the other end of the coil 13 and second ontology 142 are solid close to described second Determine one end electrical connection of part 144.Wherein, first connecting line 3 and second connecting line 4 are conducting wire.
In the utility model embodiment, the number of turns of the coil 13 can need to only expire according to actual use situation setting Foot guarantees that the leakage field in the transformer 1 is converted into voltage signal by the coil 13, does not do herein more Repeat.
In addition, the material of the coil 13 can also be according to actual use situation setting, such as circular copper wire, flat type copper wire.For Make to design and simplify the structure, to reduce cost, the material of coil 13 described in the present embodiment is circular copper wire.
In the utility model embodiment, the phenomenon that finding transformer exception leakage field in time for the ease of user, this implementation The monitoring of transformer exception leakage field described in example system further includes warning device (not shown), the warning device and the record Wave apparatus 2 connects.By the way that the warning device is arranged, and it connect the warning device with the wave recording device 2, so that working as institute When stating transformer 1 and the phenomenon that abnormal leakage field occur, signal can be delivered to the warning device by the wave recording device 2, and by The warning device sounds an alarm, and to remind transformer 1 described in user abnormal magnetic flux leakage occur, and then guarantees to send out in time The phenomenon that existing transformer exception leakage field, and the operation of the transformer 1 can be adjusted in time, to ensure the normal of the transformer 1 Work.
To sum up, the utility model provides a kind of transformer exception leakage field monitoring system, including transformer 1 and wave recording device 2, The transformer 1 includes fuel tank 11 and magnetic screen 12, and the magnetic screen 12 is connected on the inner wall of the fuel tank 11, the magnetic cup The outer surface for covering 12 is wound with coil 13, and the both ends of the coil 13 are each passed through oil tank wall and connect the wave recording device 2.It is logical It crosses the outer surface in the magnetic screen 12 and winds the coil 13, and the both ends of the coil 13 is made to be each passed through oil tank wall and company The wave recording device 2 is connect, makes it possible to that leakage field is converted into voltage signal by the coil 13, while filling by the recording The voltage signal on the 2 acquisitions coil 13 is set, and shows the waveform of the voltage signal, passes through the voltage signal to realize Waveform reflection leakage field state, thus realize monitoring transformer 1 inside leakage field, to guarantee to find transformer in time The phenomenon that 1 abnormal leakage field, and then ensure the normal work of transformer 1.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims (4)

1. a kind of transformer exception leakage field monitors system, which is characterized in that including transformer and wave recording device, the transformer packet Fuel tank and magnetic screen are included, the magnetic screen is mounted on the inner wall of the fuel tank, and the outer surface of the magnetic screen is wound with coil, The both ends of the coil are each passed through oil tank wall and connect the wave recording device.
2. transformer exception leakage field as described in claim 1 monitors system, which is characterized in that the oil tank wall is equipped with wiring Terminal, the both ends of the coil pass through the connecting terminal respectively and connect the wave recording device.
3. transformer exception leakage field as claimed in claim 1 or 2 monitors system, which is characterized in that the material of the coil is Circular copper wire.
4. transformer exception leakage field as claimed in claim 1 or 2 monitors system, which is characterized in that the transformer exception leakage It further includes warning device that magnetic, which monitors system, and the warning device is connect with the wave recording device.
CN201820850777.0U 2018-06-01 2018-06-01 Abnormal magnetic flux leakage monitoring system for transformer Expired - Fee Related CN208314165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820850777.0U CN208314165U (en) 2018-06-01 2018-06-01 Abnormal magnetic flux leakage monitoring system for transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820850777.0U CN208314165U (en) 2018-06-01 2018-06-01 Abnormal magnetic flux leakage monitoring system for transformer

Publications (1)

Publication Number Publication Date
CN208314165U true CN208314165U (en) 2019-01-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108572334A (en) * 2018-06-01 2018-09-25 南方电网科学研究院有限责任公司 Abnormal magnetic flux leakage monitoring system for transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108572334A (en) * 2018-06-01 2018-09-25 南方电网科学研究院有限责任公司 Abnormal magnetic flux leakage monitoring system for transformer
CN108572334B (en) * 2018-06-01 2020-05-26 南方电网科学研究院有限责任公司 Abnormal magnetic flux leakage monitoring system for transformer

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200519

Address after: 510663 Building 3, 4, 5 and 3 of Building J1, 11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province

Co-patentee after: CHINA SOUTHERN POWER GRID Co.,Ltd.

Patentee after: China South Power Grid International Co.,Ltd.

Address before: 510670 No. 11 Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province

Patentee before: China South Power Grid International Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190101

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