CN207623504U - A kind of integral type instrument for Site Detection voltage transformer - Google Patents
A kind of integral type instrument for Site Detection voltage transformer Download PDFInfo
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- CN207623504U CN207623504U CN201721472185.1U CN201721472185U CN207623504U CN 207623504 U CN207623504 U CN 207623504U CN 201721472185 U CN201721472185 U CN 201721472185U CN 207623504 U CN207623504 U CN 207623504U
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Abstract
The utility model discloses a kind of integral type instruments for Site Detection voltage transformer, are related to testing techniques of equipment field.The integral type instrument for Site Detection voltage transformer, including tool housing and the digital mutual inductor tester, voltage load box, the power control system that are arranged in the tool housing, by by several integration of equipments in tool housing, and it is previously-completed back panel wiring, make only to need simple external cabling when detection, the wiring in detection process is enormously simplified, is improved work efficiency, mis-wired is avoided；The utility model further includes bluetooth communication and control system and user terminal, and the remote control of integral type instrument may be implemented, and avoids verification personnel close contact integral type instrument and the safety accident that causes；The utility model is got up equipment protection needed for detection by tool housing, influence that can be to avoid thunderstorm weather to equipment, is suitable for the field test of outdoor voltage transformer.
Description
Technical field
The utility model belong to testing techniques of equipment field more particularly to it is a kind of for Site Detection voltage transformer one
Body formula instrument.
Background technology
Voltage transformer is the transmissions of electricity such as power plant, electric substation and a kind of indispensable electric appliance of power supply system, mutual induction of voltage
Device is similar with transformer, is the instrument of the voltage on conversion line.But the purpose of transformer voltage of transformation is in order to defeated
Power transmission energy, therefore capacity is very big, typically using kilovolt-ampere or megavolt-ampere as unit of account；And voltage transformer voltage of transformation
Purpose is primarily used to power to measuring instrumentss and protective relaying device, for measuring the voltage, power and electric energy of circuit, or
Person is used for expensive equipment, motor and the transformer in protection circuit in line failure.Meanwhile it can using voltage transformer
High voltage to be isolated with electrician.
Site Detection voltage transformer, need standard potential transformer, booster, Regulation Control case, voltage load box, mutually
The equipment such as sensor tester, and currently, these equipment are all the split type carryings of separate unit, volume is big, weight weight, and personnel verify mutual inductance
Device is close from instrument, and safety coefficient is not high.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of integral type instrument for Site Detection voltage transformer
Device, by various relevant devices be integrated into one removable, packaged type, can wireless control job platform, connect inside various kinds of equipment
Line completes connection, only need to simply connect when experiment every time and draws external cabling, encounter thunderstorm weather can rapid closed platform, and
It is moved to safety area, distant place control and database preparation function is provided simultaneously with, is suitable for the scene of outdoor voltage transformer
Experiment.
The utility model is to solve above-mentioned technical problem by the following technical solutions：One kind is for Site Detection electricity
Press mutual inductor integral type instrument, including tool housing and be arranged in the tool housing digital mutual inductor verification
Instrument, voltage load box, power control system；The front of the tool housing is equipped with display screen, signal terminal, Interface Terminal, electricity
Press load switch and power supply control handle；The display screen is connect with the corresponding interface of digital mutual inductor tester, is used for
Show the error information of digital mutual inductor tester verification；The signal terminal includes CT signal wires input interface, PT signals
Line input interface and voltage load output interface；The CT signal wires input interface, PT signal wires input interface and interface
Terminal is connect with the CT signal input parts of digital mutual inductor tester, PT signal input parts and communication interface respectively；It is described
Voltage loads switch is connect with the output end of voltage load box, is used for output loading, and realizes load superposition output；The power supply
Control handle is connect with power control system corresponding interface respectively, be respectively used to control power control system startup, stop and
The switching of the raising and lowering of power supply output quantity and manual or automatic operation mode；When being detected, the CT signal wires
Input interface is connect by Mobile wire coil with voltage transformer to be measured, and the PT signal wires input interface passes through Mobile wire coil or PT
Second test conducting wire is connect with voltage transformer to be measured, and the voltage load output interface is connect with voltage transformer to be measured, i.e.,
Realize the detection of voltage transformer；Several integration of equipments in tool housing, and are previously-completed back panel wiring by the utility model,
So that detection process is greatly simplified, improves the working efficiency of detection, avoid mis-wired.
Further, the Interface Terminal includes RS232 communications serial ports, USB interface and bluetooth communication component interface, is
Integral type instrument described in the utility model provides three kinds of data communication interactive modes.
Further, the integral type instrument further includes bluetooth communication and control system and user terminal；The bluetooth is logical
News and control system carry out communication company with the digital mutual inductor tester, power control system and user terminal respectively
It connects；The error information that digital mutual inductor tester is examined user terminal is transmitted to by bluetooth communication and control system to carry out
Record and display, and pass through the startup of bluetooth communication and control system realization power control system, stopping and power supply output quantity
The switching of raising and lowering and manual or automatic operation mode；The utility model is realized by bluetooth communication and control system
The remote control of integral type instrument avoids verification personnel close contact integral type instrument and the safety accident that causes.
Compared with prior art, the integral type instrument provided by the utility model for Site Detection voltage transformer,
Including tool housing and the digital mutual inductor tester being arranged in the tool housing, voltage load box, power supply control
System makes only to need simple outside when detection by the way that several integration of equipments in tool housing, and are previously-completed back panel wiring
Wiring enormously simplifies the wiring in detection process, improves work efficiency, avoids mis-wired；The utility model is also
Including bluetooth communication and control system and user terminal, the remote control of integral type instrument may be implemented, avoid verification personnel close
The safety accident caused apart from contact integral type instrument；The utility model will detect required equipment protection by tool housing and rise
Come, influence that can be to avoid thunderstorm weather to equipment, is suitable for the field test of outdoor voltage transformer.
Description of the drawings
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of integral type apparatus structure schematic diagram for Site Detection voltage transformer of the utility model；
Fig. 2 is the test schematic that the utility model carries out voltage transformer detection；
Wherein：1- tool housings, 2- display screens, 3- signal terminals, 4- Interface Terminals, 5- power supply control handles, 6- voltages
Load switch, 3.1- CT signal wire input interfaces, 3.2-PT signal wire input interfaces, 3.3- voltage load output interfaces, 4.1-
Bluetooth communication component interface, 4.2-USB interfaces, 4.3-RS23.2 communicate serial ports, and 5.1- declines knob, and 5.2- rises knob,
5.3- pattern switching knobs, 5.4- start knob, and 5.5- stops knob, 5.6- power supply knobs.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, to this implement it is novel in technical solution carry out it is clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of integral type instrument for Site Detection voltage transformer provided by the utility model, packet
Digital mutual inductor tester, voltage load box, the power control system for including tool housing 1 and being arranged in tool housing 1；
The front of tool housing is equipped with display screen 2, signal terminal 3, Interface Terminal 4, voltage loads switch 6 and power supply control handle 5；
Display screen 2 is connect with the corresponding interface of digital mutual inductor tester, the mistake for showing the verification of digital mutual inductor tester
Difference data.
Signal terminal 3 includes CT signal wires input interface 3.1, PT signal wires input interface 3.2 and the output of voltage load
Interface 3.3；CT signal wires input interface 3.1, PT signal wires input interface 3.2 and Interface Terminal 4 respectively with digital mutual inductance
CT signal input parts, PT signal input parts and the communication interface connection of device tester；Interface Terminal 4 includes 1 RS23.2 logical
4.3,2 USB interfaces 4.2 of serial ports and 1 bluetooth communication component interface 4.1 are interrogated, it is logical to provide three kinds of data for integral type instrument
Interrogate interactive mode.
Voltage loads switch 6 is 3 groups, is connect respectively with the output end of 3 voltage load boxs, is used for output loading, and real
The combination control of existing 3 voltage load box output loadings；The exportable load 2.5VA, 5VA of voltage load box, 10VA, 20VA,
40VA。
Power supply control handle 5 has 6 control handles, respectively start knob 5.4, stop knob 5.5, power supply knob 5.6,
Rise knob 5.2, decline knob 5.1 and pattern switching knob 5.3, is respectively used to the startup of control power control system, stops
Only, power supply, the up and down of power supply output quantity and the switching of operation mode；Power control system passes through autocoupling type pressure regulator
Output voltage, output voltage AC：0~250V, external voltage support range AC：220V±10% 50Hz.
When being detected, CT signal wires input interface 3.1 is connect by Mobile wire coil with voltage transformer to be measured, PT letters
Number line input interface 3.2 is connect by Mobile wire coil or PT second tests conducting wire with voltage transformer to be measured, the output of voltage load
Interface 3.3 is connect with voltage transformer to be measured, that is, realizes the detection of voltage transformer；The utility model exists several integration of equipments
In tool housing, and it is previously-completed back panel wiring, detection process is made to greatly simplify, improved the working efficiency of detection, avoid
Mis-wired.
The utility model integral type instrument further includes bluetooth communication and control system and user terminal（It can be tablet electricity
Brain, special-purpose terminal or PC machine）；Bluetooth communication and control system respectively with digital mutual inductor tester, power control system with
And user terminal carries out communication connection；The margin of error for being examined digital mutual inductor tester by bluetooth communication and control system
It is recorded and is shown according to user terminal is transmitted to, and opening for power control system is realized by bluetooth communication and control system
Dynamic, stopping and the raising and lowering of power supply output quantity and the switching of manual or automatic operation mode；Pass through bluetooth communication and control
System processed realizes the remote control of the utility model integral type instrument, avoids verification personnel close contact integral type instrument and draws
The safety accident of hair.
As shown in Fig. 2, the operation principle of the utility model integral type instrument：
For the instrument application in electric power mutual-inductor error field test, this experiment is by while to test item and standard items
Apply an equal magnitude, and realize the comparison of test item and the secondary output quantity of standard items by comparing circuit, obtains one
A error magnitude, the magnitude can be read on digital mutual inductor tester, and the accurate aviation plug of signal terminal use is simultaneously real
It now automatically controls, not only so that experiment process greatly simplifies, it is thus also avoided that mis-wired operates.User terminal and integral type instrument it
Between establish bluetooth communication, pass through user terminal arrange parameter, control integral type instrument test job beginning and end i.e. control
Instrument processed exports magnitude（Electric current, voltage）Raising and lowering, and automatically record test data during the test.In integral type
In instrument, digital mutual inductor tester passes through 6 test leads with subject voltage transformer（Voltage signal line：a、x、K、D；
Current signal line Tx, T0）It is connected, 3 voltage load boxes are connected with subject electric power mutual-inductor by 6 test leads, institute
Some equal boundlings of outer lead realize multichannel input and output in a Mobile wire coil, while having exchange 250V alternating currents all the way
Pressure inputs to the power control system of rated capacity 5000VA, and power control system exports 1 tunnel 0~250V alternating voltages to outside
Excitation source, voltage carry out fixed point rising according to testing standard value 20%, 50%, 80%, 100%, 120%, electric current according to 1%, 5%, 20%,
100%, 120% fixed point rising is carried out.When reaching specified measurement point, user terminal automatically records on digital mutual inductor tester
Test error value.
Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office
It is limited to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in change
Change or modification, should be covered within the scope of the utility model.
Claims (5)
1. a kind of integral type instrument for Site Detection voltage transformer, it is characterised in that：Including tool housing and setting
Digital mutual inductor tester, voltage load box, power control system in the tool housing；The tool housing is just
Face is equipped with display screen, signal terminal, Interface Terminal, voltage loads switch and power supply control handle；
The display screen is connect with the corresponding interface of digital mutual inductor tester, for showing digital mutual inductor tester school
The error information tested；The signal terminal includes that CT signal wires input interface, PT signal wires input interface and voltage load are defeated
Outgoing interface；The CT signal wires input interface, PT signal wires input interface and Interface Terminal respectively with digital mutual inductor school
Test CT signal input parts, PT signal input parts and the communication interface connection of instrument；The voltage loads switch and voltage load box
Output end connection, be used for output loading, and realize load superposition output；The power supply control handle is controlled with power supply respectively
Corresponding interface of uniting connects, and is respectively used to the raising and lowering of startup, the stopping and power supply output quantity of control power control system, with
And the switching of manual or automatic operation mode；
When being detected, the CT signal wires input interface is connect by Mobile wire coil with voltage transformer to be measured, the PT
Signal wire input interface is connect by Mobile wire coil or PT second tests conducting wire with voltage transformer to be measured, and the voltage load is defeated
Outgoing interface is connect with voltage transformer to be measured, that is, realizes the detection of voltage transformer.
2. being used for the integral type instrument of Site Detection voltage transformer as described in claim 1, it is characterised in that：The interface
Terminal includes RS232 communications serial ports, USB interface and bluetooth communication component interface, is integral type instrument described in the utility model
Three kinds of data communication interactive modes are provided.
3. being used for the integral type instrument of Site Detection voltage transformer as described in claim 1, it is characterised in that：The voltage
Load switch has 3 groups, and the voltage load box has 3；Realize that 3 voltage load box outputs are negative by 3 groups of voltage loads switches
The combination of load controls.
4. being used for the integral type instrument of Site Detection voltage transformer as described in claim 1, it is characterised in that：The power supply
Control handle has 6 control handles, respectively start knob, stop knob, power supply knob, rise knob, decline knob and
Pattern switching knob.
5. the integral type instrument for Site Detection voltage transformer as described in Claims 1-4 is any, it is characterised in that：
The integral type instrument further includes bluetooth communication and control system and user terminal；The bluetooth communication and control system respectively with
The digital mutual inductor tester, power control system and user terminal carry out communication connection；Pass through bluetooth communication and control
The error information that digital mutual inductor tester is examined is transmitted to user terminal and is recorded and shown by system processed, and passes through indigo plant
Tooth communicates and the raising and lowering of startup, the stopping and power supply output quantity of control system realization power control system, and artificial
Or the switching of automatic operation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721472185.1U CN207623504U (en) | 2017-11-07 | 2017-11-07 | A kind of integral type instrument for Site Detection voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721472185.1U CN207623504U (en) | 2017-11-07 | 2017-11-07 | A kind of integral type instrument for Site Detection voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623504U true CN207623504U (en) | 2018-07-17 |
Family
ID=62828056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721472185.1U Active CN207623504U (en) | 2017-11-07 | 2017-11-07 | A kind of integral type instrument for Site Detection voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623504U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888099A (en) * | 2019-12-09 | 2020-03-17 | 国网山东省电力公司电力科学研究院 | Test control system and method |
| CN113325354A (en) * | 2021-04-23 | 2021-08-31 | 中国电力科学研究院有限公司 | System and method for testing errors of electronic mutual inductor for distribution network |
| CN113655429A (en) * | 2021-09-16 | 2021-11-16 | 国网四川省电力公司营销服务中心 | Auxiliary system and method for combined distribution network transformer calibration |
-
2017
- 2017-11-07 CN CN201721472185.1U patent/CN207623504U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888099A (en) * | 2019-12-09 | 2020-03-17 | 国网山东省电力公司电力科学研究院 | Test control system and method |
| CN113325354A (en) * | 2021-04-23 | 2021-08-31 | 中国电力科学研究院有限公司 | System and method for testing errors of electronic mutual inductor for distribution network |
| CN113325354B (en) * | 2021-04-23 | 2023-12-26 | 中国电力科学研究院有限公司 | System and method for testing errors of electronic transformer for distribution network |
| CN113655429A (en) * | 2021-09-16 | 2021-11-16 | 国网四川省电力公司营销服务中心 | Auxiliary system and method for combined distribution network transformer calibration |
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