CN205809189U - Transformer voltage ratio tester - Google Patents
Transformer voltage ratio tester Download PDFInfo
- Publication number
- CN205809189U CN205809189U CN201620736001.7U CN201620736001U CN205809189U CN 205809189 U CN205809189 U CN 205809189U CN 201620736001 U CN201620736001 U CN 201620736001U CN 205809189 U CN205809189 U CN 205809189U
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- China
- Prior art keywords
- module
- phase
- voltage ratio
- transformer voltage
- ratio tester
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Abstract
The open a kind of transformer voltage ratio tester of this utility model, including calibrating terminal, for providing the three phase mains module of three phase mains, the signal acquisition module being connected with calibrating terminal, for converting analog signals into the A/D modular converter of digital signal, for processing the MCU processing module of digital signal, for storing the data memory module of the data that MCU processing module processes, for controlling the control module of three phase mains module three phase supply, for controlling the human-computer interaction module of MCU processing module, and power supply module.This utility model is formed three phase supply by three phase mains module and is directly connected with three-phase windings by calibrating terminal, its automatic testing efficiency being conducive to improving three-phase windings, and improve test convenience by human-computer interaction module, and data memory module is set and test data can be stored in real time, in order to subsequent calls；Also can, the respectively test of three-phase single-phase by the control realization of control module.
Description
Technical field
This utility model relates to transformer voltage ratio measuring technology, especially relates to a kind of transformer voltage ratio tester.
Background technology
Specify according to IEC and relative national standards, during power transformer production, user's handing-over and checking experiment,
Transformer voltage ratio test is the project that must do.So can effectively supervise the quality during power transformer product dispatches from the factory and uses, anti-
Only transformator turn-to-turn short circuit, open circuit, connection error, tap changer internal fault or contact fault.
At present, domestic like product is mainly used in single phase poaer supply to be tested item by item, and test operation requires that height, testing efficiency are low
Under, and the data stability of test is low.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, proposes a kind of transformer voltage ratio tester, solves existing
There is the technical problem that in technology, transformer voltage ratio tester test request is high, testing efficiency is low, measuring stability is poor.
For reaching above-mentioned technical purpose, the technical solution of the utility model provides a kind of transformer voltage ratio tester, including
Calibrating terminal, one for providing the three phase mains module of three phase mains for described calibrating terminal, and one is connected with described calibrating terminal
Signal acquisition module, one for being converted to the A/D conversion of digital signal by the analogue signal that described signal acquisition module gathers
Module, one for processing the MCU processing module of the digital signal that described A/D modular converter converts, and one is used for storing at described MCU
The data memory module of the data of reason resume module, one for controlling the control module of described three phase mains module three phase supply,
One for controlling the human-computer interaction module of described MCU processing module, and a power supply module, described control module, power supply electricity
Source module is all connected with described MCU processing module.
Preferably, described power supply module include one for connect the power interface unit of 220V alternating current and one for
The alternating current that power interface unit connects is converted to galvanic AC/DC converting unit, and described AC/DC converting unit is with described
MCU processing module connects.
Preferably, described three phase mains module include a three-phase signal circuit being connected with described power interface unit, one
The amplifying circuit amplified for the three-phase sine-wave signal that described three-phase signal circuit is formed, described amplifying circuit and described survey
Examination terminal connects, and described control module is connected with described three-phase signal circuit.
Preferably, described transformer voltage ratio tester includes that one is series at described A/D modular converter and described signals collecting
Division circuit between module.
Preferably, described transformer voltage ratio tester includes a program storage block being connected with described MCU processing module.
Preferably, described transformer voltage ratio tester includes a printer module and a clock module, described printer mould
Block and described clock module are all connected with described MCU processing module.
Preferably, described human-computer interaction module include one for information input push-button unit, one show for information
Display unit and one for warning Tip element, described push-button unit, display unit, Tip element all with described MCU process
Module connects.
Preferably, described transformer voltage ratio tester also includes a rechargeable battery being connected with described MCU processing module
Module.
Compared with prior art, this utility model by three phase mains module formed three phase supply and pass through calibrating terminal straight
Connect and be connected with three-phase windings, its automatic testing efficiency being conducive to improving three-phase windings, and improve by human-computer interaction module
Test convenience, and data memory module is set and test data can be stored in real time, in order to subsequent calls；Also can be by control
The control realization of molding block is single-phase, the test respectively of three-phase.
Accompanying drawing explanation
Fig. 1 is the connection block diagram of transformer voltage ratio tester of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Referring to Fig. 1, embodiment of the present utility model provides a kind of transformer voltage ratio tester, including calibrating terminal 1,
One for providing the three phase mains module 2 of three phase mains, a signal being connected with described calibrating terminal 1 for described calibrating terminal 1
Acquisition module 3, one for being converted to the A/D modular converter of digital signal by the analogue signal that described signal acquisition module 3 gathers
4, one for processing the MCU processing module 5 of the digital signal that described A/D modular converter 4 converts, and one is used for storing at described MCU
The data memory module 6 of the data that reason module 5 processes, one for controlling the control mould of described three phase mains module 2 three phase supply
Block 7, one for controlling the human-computer interaction module 8 of described MCU processing module 5, and a power supply module 9, described control module
7, power supply module 9 is all connected with described MCU processing module 5.
Concrete, power supply module 9 is powered for the present embodiment transformer voltage ratio tester, three phase mains module 2
The Alternating Current Power Supply of 220V is converted to three phase supply, and calibrating terminal 1 can be connected with test product to be measured by p-wire to be tested, and surveys
Can be obtained the signal of telecommunication of test during examination by signal acquisition module 3, this signal of telecommunication is converted to numeral letter by A/D modular converter 4
Number flowing to MCU processing module 5 carries out calculation process, and motion result can be able to be stored in by human-computer interaction module 8 display simultaneously
In data memory module 6.And the present embodiment can arrange communication interface 10 and be connected with MCU processing module 5, and then the data that will store
Deriving, communication interface 10 may be configured as RS232 interface or USB interface.Wherein, during test, can be controlled by control module 7
System, to provide different power supply mode, and is respectively used to three-phase windings test and single-phase winding is tested, improves the wide of its application
General property.
And, described transformer voltage ratio tester includes printer module 11 and a clock module 12, a described printer
Module 11 and described clock module 12 are all connected with described MCU processing module 5, after test completes, can pass through printer module
Test result is printed by 11, which raises testing efficiency.
Wherein, described human-computer interaction module 8 include one for information input push-button unit 801, show for information
Display unit 802 and for the Tip element 803 of warning, described push-button unit 801, display unit 802, Tip element
803 are all connected with described MCU processing module 5.During concrete operations, can realize man-machine by display unit 802 and push-button unit 801
The exchange of information, the display unit 802 of the present embodiment can use LCD display, and it can realize Chinese operation, improves operation
Convenience.Tip element 803 is set simultaneously, in order to warn operator in real time, to ensure safety and the accuracy of operation.
Wherein, power supply module 9 described in the present embodiment includes that one is single for connecting the power interface 901 of 220V alternating current
Unit and one is for being converted to galvanic AC/DC converting unit 902, described AC/ by the alternating current that power interface 901 unit connects
DC converting unit 902 is connected with described MCU processing module 5, can be connected with power line by power interface 901 unit during test,
And then connect city's direct power supply, power for the present embodiment transformer voltage ratio tester.
Owing to the present embodiment transformer voltage ratio tester is mainly used in Hi-pot test, therefore described three phase mains module 2 includes
The three-phase signal circuit 201, one that one is connected with described power interface 901 unit is for being formed described three-phase signal circuit 201
Three-phase sine-wave signal amplify amplifying circuit 202, described amplifying circuit 202 is connected with described calibrating terminal 1, described control
Module 7 is connected with described three-phase signal circuit 201, especially by three-phase signal circuit 201,220V alternating current is converted to three-phase
Sine wave signal, and be amplified by amplifying circuit 202, after amplification, the high-pressure side with calibrating terminal 1 is connected.
And, transformer voltage ratio tester described in the present embodiment also include one with filling that described MCU processing module 5 is connected
Electricity battery module 13, can be powered by rechargeable battery module 13 during operation, and rechargeable battery module 13 can directly and
Power interface 901 connection is charged, it is possible to additionally arrange charging inlet.
In order to improve the accuracy of the analogue signal that signal acquisition module 3 gathers, described transformer voltage ratio tester includes
One is series at the division circuit 14 between described A/D modular converter 4 and described signal acquisition module 3.
In order to realize the variation of function, described transformer voltage ratio tester includes that one is connected with described MCU processing module 5
Program storage block 15, bigger functional programs can be stored by program storage block 15, more test meeting it
Function.
Compared with prior art, this utility model by three phase mains module formed three phase supply and pass through calibrating terminal straight
Connect and be connected with three-phase windings, its automatic testing efficiency being conducive to improving three-phase windings, and improve by human-computer interaction module
Test convenience, and data memory module is set and test data can be stored in real time, in order to subsequent calls；Also can be by control
The control realization of molding block is single-phase, the test respectively of three-phase.
The above detailed description of the invention of the present utility model, is not intended that the restriction to this utility model protection domain.
Any various other made according to technology of the present utility model design change and deformation accordingly, should be included in this practicality
In novel scope of the claims.
Claims (8)
1. a transformer voltage ratio tester, it is characterised in that include calibrating terminal, one for providing three for described calibrating terminal
The three phase mains module of phase power supply, a signal acquisition module being connected with described calibrating terminal, one for by described signals collecting
The analogue signal of module collection is converted to the A/D modular converter of digital signal, and one for processing what described A/D modular converter converted
The MCU processing module of digital signal, one for storing the data memory module of the data that described MCU processing module processes, and one uses
In the control module of the described three phase mains module three phase supply of control, one for controlling the man-machine interaction of described MCU processing module
Module, and a power supply module, described control module, power supply module are all connected with described MCU processing module.
Transformer voltage ratio tester the most according to claim 1, it is characterised in that described power supply module includes a use
In connecting the power interface unit and of 220V alternating current for the alternating current that power interface unit connects is converted to unidirectional current
AC/DC converting unit, described AC/DC converting unit is connected with described MCU processing module.
Transformer voltage ratio tester the most according to claim 2, it is characterised in that described three phase mains module include one with
Three-phase signal circuit, a three-phase sine-wave being used for forming described three-phase signal circuit that described power interface unit connects are believed
Number amplifying circuit amplified, described amplifying circuit is connected with described calibrating terminal, and described control module and described three-phase signal are electric
Road connects.
4. according to the transformer voltage ratio tester described in Claims 2 or 3, it is characterised in that described transformer voltage ratio tester
It is series at the division circuit between described A/D modular converter and described signal acquisition module including one.
Transformer voltage ratio tester the most according to claim 4, it is characterised in that described transformer voltage ratio tester includes
One program storage block being connected with described MCU processing module.
Transformer voltage ratio tester the most according to claim 5, it is characterised in that described transformer voltage ratio tester includes
One printer module and a clock module, described printer module and described clock module are all connected with described MCU processing module.
Transformer voltage ratio tester the most according to claim 6, it is characterised in that described human-computer interaction module includes a use
In the push-button unit of information input, display unit show for information and for the Tip element warned, described button
Unit, display unit, Tip element are all connected with described MCU processing module.
Transformer voltage ratio tester the most according to claim 7, it is characterised in that described transformer voltage ratio tester also wraps
Include a rechargeable battery module being connected with described MCU processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736001.7U CN205809189U (en) | 2016-07-13 | 2016-07-13 | Transformer voltage ratio tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736001.7U CN205809189U (en) | 2016-07-13 | 2016-07-13 | Transformer voltage ratio tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809189U true CN205809189U (en) | 2016-12-14 |
Family
ID=57509949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620736001.7U Expired - Fee Related CN205809189U (en) | 2016-07-13 | 2016-07-13 | Transformer voltage ratio tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426566A (en) * | 2019-08-27 | 2019-11-08 | 国网浙江长兴县供电有限公司 | A kind of hand-held transformer voltage ratio group tester |
-
2016
- 2016-07-13 CN CN201620736001.7U patent/CN205809189U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426566A (en) * | 2019-08-27 | 2019-11-08 | 国网浙江长兴县供电有限公司 | A kind of hand-held transformer voltage ratio group tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20190713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |