CN207867018U - Mutual inductor comprehensive tester - Google Patents

Mutual inductor comprehensive tester Download PDF

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Publication number
CN207867018U
CN207867018U CN201820272219.0U CN201820272219U CN207867018U CN 207867018 U CN207867018 U CN 207867018U CN 201820272219 U CN201820272219 U CN 201820272219U CN 207867018 U CN207867018 U CN 207867018U
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CN
China
Prior art keywords
connect
mutual inductor
terminal
port
data acquisition
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Active
Application number
CN201820272219.0U
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Chinese (zh)
Inventor
璧靛己
赵强
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Chongqing Yiming Electric Automation Equipment Co Ltd
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Chongqing Yiming Electric Automation Equipment Co Ltd
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Priority to CN201820272219.0U priority Critical patent/CN207867018U/en
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Abstract

The utility model discloses a kind of mutual inductor comprehensive testers, including data acquisition device, at least two photoisolators, isolated amplifier, current sensor, voltage sensor, vibrating sensor, the first power resistor, the second power resistor, power module, double-point double-throw switch, connecting terminal, test connection terminal, short circuit grounding connecting terminal and computer.The utility model simplifies connecting terminal connection structure, is conveniently operated, and can more fully detect the characteristic of mutual inductor, improve the detection efficiency of mutual inductor characteristic.

Description

Mutual inductor comprehensive tester
Technical field
The utility model is related to transformer test technical fields, more specifically, are related to a kind of mutual inductor comprehensive tester.
Background technology
Electric system often uses alternating voltage, big current loop that electric power is sent to user, Wu Fayong to transmit electric energy Instrument is directly measured.The effect of mutual inductor, exactly dropping to alternating voltage and high current in proportion can be direct with instrument The numerical value of measurement, directly measures convenient for instrument, while providing power supply for relay protection and automatic device.Mutual inductor and measuring instrumentss Coordinate with metering device, the voltage, electric current and electric energy of primary system can be measured;Coordinate with relay protection and automatic device, it can To constitute the electic protection to the various failures of power grid and automatically control.The quality of quality of transformer performance, directly influences electric system It measures, the reliability of the accuracy of metering and relay protection action.Existing transformer test instrument, it is complicated for operation, make With inconvenience, the characteristic of mutual inductor winding can not be more fully detected.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of mutual inductor comprehensive tester, wiring Simply, easy to use, the characteristic of mutual inductor winding can be more fully detected, the detection efficiency of mutual inductor characteristic is improved.
The purpose of this utility model is achieved through the following technical solutions:A kind of mutual inductor comprehensive tester, including Data acquisition device, at least two photoisolators, isolated amplifier, current sensor, voltage sensor, vibrating sensor, First power resistor, the second power resistor, power module, double-point double-throw switch, connecting terminal, test connection terminal, short circuit connect Ground connecting terminal and computer;The input terminal of the voltage sensor is connect with mutual inductor winding, the voltage sensor it is defeated Outlet is connect with the input terminal of the first photoisolator, the output end of first photoisolator and the of data acquisition device One input terminal connects, and the input terminal of the current sensor connect with mutual inductor winding, the output end of the current sensor and The input terminal of second photoisolator connects, the second input of the output end and data acquisition device of second photoisolator The input/output terminal of end connection, the input/output terminal of the data acquisition device and computer connects, the vibrating sensor with Mutual inductor winding connects, and the output end of the vibrating sensor and the third input terminal of data acquisition device connect, and described first One end of power resistor is connect with mutual inductor winding, and the other end of first power resistor and one end of the second power resistor connect It connects, the other end of second power resistor and one end of isolated amplifier connect, the other end and number of the isolated amplifier Connected according to the output end of harvester, the connecting terminal connect with mutual inductor winding, one end of the double-point double-throw switch and Power module connects, and the power module is connect with the power interface of mutual inductor winding, the other end of the double-point double-throw switch Including first port, second port and third port, first port is connect with connecting terminal, and the short circuit grounding connecting terminal connects Ground;Second port can be connect with test connection terminal, and third port can be connect with short circuit grounding connecting terminal.
Further, the second port is connect with test connection terminal.
Further, the third port is connect with short circuit grounding connecting terminal.
Further, the data acquisition device is PCL818L data collecting cards.
Further, further include ultrasonic probe, the ultrasonic probe is arranged on mutual inductor winding, the ultrasonic wave The output end of probe apparatus and the 4th input terminal of data acquisition device connect.
The utility model has the beneficial effects that:
(1) the utility model is passed by data acquisition device, photoisolator, isolated amplifier, current sensor, voltage Sensor, vibrating sensor, the first power resistor, the second power resistor, power module, double-point double-throw switch, connecting terminal, experiment Connecting terminal, short circuit grounding connecting terminal and computer etc., can simplify connecting terminal connection structure, be conveniently operated, tie simultaneously Voltage sensor, current sensor, vibrating sensor etc. are closed, can be led to detection data compared with the characteristic of complete detection mutual inductor It crosses data collecting card and is transmitted to computer, convenient for carrying out subsequent processing in computer terminal, improve the detection effect of mutual inductor characteristic Rate.
(2) the utility model simplifies test wiring construction, helps to reduce the test manpower in transformer test engineering Cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings It is not limited to as described below.Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), is removed It non-specifically describes, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, often A feature is an example in a series of equivalent or similar characteristics.
Specific embodiment of the utility model is described more fully below, it should be noted that the embodiments described herein is served only for For example, being not intended to limit the utility model.In the following description, in order to provide the thorough understanding to the utility model, Elaborate a large amount of specific details.It will be apparent, however, to one skilled in the art that:These certain details need not be used It saves to carry out the utility model.In other instances, in order to avoid obscuring the utility model, well known circuit is not specifically described Deng.
As shown in Figure 1, a kind of mutual inductor comprehensive tester, including data acquisition device, at least two photoisolators, every From amplifier, current sensor, voltage sensor, vibrating sensor, the first power resistor, the second power resistor, power module, Double-point double-throw switch, connecting terminal, test connection terminal, short circuit grounding connecting terminal and computer;The voltage sensor Input terminal is connect with mutual inductor winding, and the output end of the voltage sensor is connect with the input terminal of the first photoisolator, institute The first input end of the output end and data acquisition device of stating the first photoisolator connects, the input terminal of the current sensor It being connect with mutual inductor winding, the output end of the current sensor is connect with the input terminal of the second photoisolator, and described second The output end of photoisolator and the second input terminal of data acquisition device connect, the input/output terminal of the data acquisition device It is connect with the input/output terminal of computer, the vibrating sensor is connect with mutual inductor winding, the output of the vibrating sensor End is connect with the third input terminal of data acquisition device, and one end of first power resistor is connect with mutual inductor winding, described The other end of first power resistor is connect with one end of the second power resistor, and the other end of second power resistor is put with being isolated One end connection of big device, the other end of the isolated amplifier and the output end of data acquisition device connect, the connecting terminal Connect with mutual inductor winding, one end of the double-point double-throw switch is connect with power module, the power module and mutual inductor around The power interface connection of group, the other end of the double-point double-throw switch include first port 1, second port 2 and third port 3, First port 1 is connect with connecting terminal, the short circuit grounding connecting terminal ground connection;Second port 2 can be with test connection terminal Connection, the 3rd 3 can connect with short circuit grounding connecting terminal.
Optionally, the second port 2 is connect with test connection terminal.
Optionally, the third port 3 is connect with short circuit grounding connecting terminal.
Optionally, the data acquisition device is PCL818L data collecting cards.
Optionally, further include ultrasonic probe, the ultrasonic probe is arranged on mutual inductor winding, and the ultrasonic wave is visited The output end of head device and the 4th input terminal of data acquisition device connect.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditions With with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that:It need not use These specific details carry out the utility model.In other instances, in order to avoid obscuring the utility model, public affairs are not specifically described The composition known, structure or component limit technical protection in the claimed technical solution of claims of the utility model Within the scope of.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " installation ", " phase Even ", " connection " is broader sense, and those skilled in the art should broadly understood.For example, it may be fixedly connected, it can also It is flexible connection, or is entirely connected, or locally connect, can be mechanical connection, can also be to be electrically connected, can be straight It connects connected, can also be to be indirectly connected with by intermediary, the connection etc. inside two elements is can also be, for this field For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be, that is, word language Expression can be flexibly corresponding with the implementation of actual techniques, the table of the word language (including attached drawing) of the specification of the utility model Up to any single restricted explanation not constituted to claim.
Changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then all should be in this reality In protection domain with novel appended claims.In the above description, it in order to provide the thorough understanding to the utility model, explains A large amount of specific details are stated.It will be apparent, however, to one skilled in the art that:These specific details need not be used To carry out the utility model.In other instances, in order to avoid obscuring the utility model, well known technology, example are not specifically described Such as specific construction details, operating condition and other technical conditions etc..

Claims (5)

1. a kind of mutual inductor comprehensive tester, which is characterized in that including data acquisition device, at least two photoisolators, every From amplifier, current sensor, voltage sensor, vibrating sensor, the first power resistor, the second power resistor, power module, Double-point double-throw switch, connecting terminal, test connection terminal, short circuit grounding connecting terminal and computer;
The input terminal of the voltage sensor is connect with mutual inductor winding, the output end of the voltage sensor and the first photoelectricity every Input terminal connection from device, the output end of first photoisolator and the first input end of data acquisition device connect, institute The input terminal for stating current sensor is connect with mutual inductor winding, the output end of the current sensor and the second photoisolator Input terminal connects, and the output end of second photoisolator and the second input terminal of data acquisition device connect, the data The input/output terminal of harvester and the input/output terminal of computer connect, and the vibrating sensor is connect with mutual inductor winding, The third input terminal of the output end of the vibrating sensor and data acquisition device connects, one end of first power resistor with Mutual inductor winding connects, and the other end of first power resistor is connect with one end of the second power resistor, second power The other end of resistance and one end of isolated amplifier connect, the output of the other end and data acquisition device of the isolated amplifier End connection, the connecting terminal are connect with mutual inductor winding, and one end of the double-point double-throw switch is connect with power module, described Power module is connect with the power interface of mutual inductor winding, and the other end of the double-point double-throw switch includes first port, second Port and third port, first port are connect with connecting terminal, the short circuit grounding connecting terminal ground connection;Second port can be with Test connection terminal connects, and third port can be connect with short circuit grounding connecting terminal.
2. a kind of mutual inductor comprehensive tester according to claim 1, which is characterized in that the second port connects with experiment Line terminals connect.
3. a kind of mutual inductor comprehensive tester according to claim 1, which is characterized in that the third port connects with short circuit Ground connecting terminal connection.
4. a kind of mutual inductor comprehensive tester according to claim 1, which is characterized in that the data acquisition device is PCL818L data collecting cards.
5. a kind of mutual inductor comprehensive tester according to claim 1, which is characterized in that further include ultrasonic probe, institute It states ultrasonic probe to be arranged on mutual inductor winding, the output end of the ultrasonic probe apparatus and the 4th of data acquisition device the Input terminal connects.
CN201820272219.0U 2018-02-26 2018-02-26 Mutual inductor comprehensive tester Active CN207867018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820272219.0U CN207867018U (en) 2018-02-26 2018-02-26 Mutual inductor comprehensive tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820272219.0U CN207867018U (en) 2018-02-26 2018-02-26 Mutual inductor comprehensive tester

Publications (1)

Publication Number Publication Date
CN207867018U true CN207867018U (en) 2018-09-14

Family

ID=63455659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820272219.0U Active CN207867018U (en) 2018-02-26 2018-02-26 Mutual inductor comprehensive tester

Country Status (1)

Country Link
CN (1) CN207867018U (en)

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