CN207148233U - A kind of transformer ratio tester - Google Patents
A kind of transformer ratio tester Download PDFInfo
- Publication number
- CN207148233U CN207148233U CN201720524704.8U CN201720524704U CN207148233U CN 207148233 U CN207148233 U CN 207148233U CN 201720524704 U CN201720524704 U CN 201720524704U CN 207148233 U CN207148233 U CN 207148233U
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- pressure side
- housing
- display screen
- interface
- side interface
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Abstract
The utility model discloses a kind of transformer ratio tester, including lid, housing, low pressure side interface, high pressure side interface, display screen, printer and heat emission hole, cover bottom is installed with connecting shaft, connecting shaft bottom is installed with housing, housing side is installed with low pressure side interface, low pressure side interface bottom is installed with high pressure side interface, display screen side is installed with power outlet interface, power outlet interface bottom is installed with power switch, power switch bottom is installed with printer, shell one end is installed with lock and handle, its other end is installed with heat emission hole, lid and housing are that aluminium alloy is made.The utility model is while easy to carry by provided with lid, display screen, printer, lock, handle and heat emission hole, ensure that tester operationally has good radiating, and dust-obstructing efficiency is good, brings more preferable prospect of the application.
Description
【Technical field】
A kind of tester is the utility model is related to, more particularly to a kind of transformer ratio tester.
【Background technology】
In semi-finished product, finished product production process in power transformer, before the transformer newly installed puts into operation, according to state
The preventive trial code of family's Electricity Department, it is desirable to turn ratio is carried out to the transformer of operation or voltage ratio is tested, to check transformation
The correctness of device turn ratio, the situation of shunting switch, transformer whether turn-to-turn short circuit, transformer whether can be with paired running.Pass
The no-load voltage ratio electric bridge reading of system is not directly perceived, to be converted, and can only be with single-chip microcomputer by transformer voltage ratio tester is mutually measured
Calculating is measured for core and is automatically controlled.Except voltage below 35KV and less than 3 transformer tolerance be 0.5% ".
For traditional change ratio measuring method, its no-load voltage ratio measurement multiplying power is low, and cumbersome, precision is difficult to ensure that.Do not adapt to existing
Generation measurement fast pace, efficient requirement.
But transformer ratio tester at present on the market, when in use there is some drawbacks, it is not convenient enough to carry, no
Result can be directly printed, machine easily overheats.A kind of therefore, it is proposed that transformer ratio tester.
【Utility model content】
Main purpose of the present utility model is to provide a kind of transformer ratio tester, effectively can solved in background technology
The problem of.
To achieve the above object, the technical scheme that the utility model is taken is：
A kind of transformer ratio tester, including lid, housing, low pressure side interface, high pressure side interface, display screen, printer
And heat emission hole, the cover bottom are installed with connecting shaft, the connecting shaft bottom is installed with housing, the housing one
Side is installed with low pressure side interface, and the low pressure side interface bottom is installed with high pressure side interface, the high pressure side interface
Side is installed with ground terminal, and the low pressure side interface opposite side is installed with display screen, and the display screen top is consolidated
Dingan County is equipped with indicator lamp, and its underpart is provided with reset button, and the reset button side is installed with selection key, the selection key side
Indicator lamp is installed with, reset button bottom is installed with feeler switch, and the feeler switch side is installed with parameter setting
Key, the display screen side are installed with power outlet interface, and the power outlet interface bottom is installed with power supply and opened
Close, the power switch bottom is installed with printer, and the shell one end is installed with lock and handle, its other end
It is installed with heat emission hole.
Further, the lid and housing are that aluminium alloy is made.
Further, the display screen is LED display.
Further, the lock and handle are that stainless steel is made.
Further, the heat emission hole is made up of steel wire.
Compared with prior art, the utility model has the advantages that：This kind of transformer ratio tester passes through setting
Lid, the lid are fixedly connected with connecting shaft, and the lid is made up of aluminium alloy, light weight, when not in use can be by lid lid
On, avoid dust etc. from entering tester, influence the test effect of tester, while the neat and tidy of tester is kept, improve machine
The service life of device, latched by setting, the lock is fixedly connected with the casing, when not in use, can be by latching housing
Tightly block master with lid, protect the tester of inside, improve service life, by setting handle, the handle is fixed with housing
Connection, by latching after housing and lid card master, handle can be carried, place can have been changed at any time according to need of work, taken
With very convenient, dexterous practical, by setting power outlet interface, the power outlet mouth is fixedly connected with the casing, used
Power supply be three phase mains, due to being to differ 120 degree of exchange balance electric source between the power supply three-phase, so in test process
In further improve the correctness that accuracy of instrument and group judge, shorten the testing time of three-phase no-load voltage ratio, by setting printer,
The printer is fixedly connected with the casing, and after the completion of tester wiring, is plugged in, is turned on the power switch, arrange parameter, measurement
After, result directly can be printed by printer, very convenient practicality, by setting heat emission hole, the heat emission hole with
Housing is fixedly connected, and the heat emission hole is made up of wire netting, and iron wire net surface is accompanied by warp layer matter film, can both prevent from surveying
Machine overheats when trying instrument operation, while can also organize dust etc. to enter by heat emission hole inside tester, by setting indicator lamp,
The indicator lamp is fixedly connected with the casing, can be with the running status of straightforward observation tester.It is described in the utility model
A kind of transformer ratio tester, provided with lid, display screen, printer, lock, handle and heat emission hole, it ensure that tester is being transported
There is good radiating during row, at the same it is easy to carry, and dust-obstructing efficiency is good, brings more preferable prospect of the application.
【Brief description of the drawings】
Fig. 1 is the overall structure diagram of the utility model transformer ratio tester.
Fig. 2 is the structure schematic diagram of the utility model transformer ratio tester.
In figure：1st, lid；2nd, connecting shaft；3rd, housing；4th, low pressure side interface；5th, high pressure side interface；6th, ground terminal；7th, again
Put key；8th, feeler switch；9th, selection key；10th, parameter setting key；11st, printing key；12nd, indicator lamp；13rd, display screen；14th, power supply is inserted
Seated connection mouth；15th, power switch；16th, printer；17th, latch；18th, handle；19th, heat emission hole.
【Embodiment】
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
As shown in Figure 1-2, a kind of transformer ratio tester, including lid 1, housing 3, low pressure side interface 4, high pressure side interface
5th, display screen 13, printer 16 and heat emission hole 19, the bottom of lid 1 are installed with connecting shaft 2, the bottom of connecting shaft 2
Housing 3 is installed with, the side of housing 3 is installed with low pressure side interface 4, and peace is fixed in the bottom of low pressure side interface 4
Equipped with high voltage interface 5, the side of high voltage interface 5 is installed with ground terminal 6, and the opposite side of low pressure side interface 4 is fixed
Display screen 13 is installed, the top of display screen 13 is installed with indicator lamp 12, and its underpart is provided with reset button 7, the replacement
The side of key 7 is installed with selection key 9, and the side of selection key 9 is installed with indicator lamp 11, and peace is fixed in the bottom of reset button 7
Equipped with feeler switch 8, the side of feeler switch 8 is installed with parameter setting key 10, and the side of display screen 13 is installed with
Power outlet interface 14, the bottom of power outlet interface 14 are installed with power switch 15, the bottom of power switch 15
Printer 16 is installed with, described one end of housing 3 is installed with lock 17 and handle 18, its other end are installed with scattered
Hot hole 19.
Wherein, the lid 1 and housing 3 are that aluminium alloy is made.
Wherein, the display screen 13 is LED display.
Wherein, the lock 17 and handle 18 are that stainless steel is made.
Wherein, the heat emission hole 19 is made up of steel wire.
It is described by setting lid 1 during work it should be noted that the utility model is a kind of transformer ratio tester
Lid 1 is fixedly connected with connecting shaft 3, and the lid 1 is made up of aluminium alloy, light weight, lid 1 can be covered, kept away when not in use
Exempt from dust etc. and enter tester, influence the test effect of tester, while keep the neat and tidy of tester, improve making for machine
With the life-span, by setting lock 17, the lock 17 is fixedly connected with housing 3, when not in use, can be by latching 17 by housing
3 tightly block master with lid 1, protect the tester of inside, service life are improved, by setting handle 18, the handle 18 and shell
Body 3 is fixedly connected, and after housing and lid 1 are blocked into master by lock 17, can carry handle 18, can be according to need of work at any time
Place is changed, very convenient, dexterous practicality is carried, by setting power outlet interface 14, the power outlet mouth 14 and housing 3
It is fixedly connected, used power supply is three phase mains, due to being the exchange balance electric source of 120 degree of difference between the power supply three-phase,
So further improving the correctness of accuracy of instrument and group judgement in test process, shorten the testing time of three-phase no-load voltage ratio,
By setting printer 16, the printer 16 is fixedly connected with housing 3, after the completion of tester wiring, plugged in, and opens electricity
Source switch, arrange parameter, after measurement, result, very convenient practicality, by setting directly can be printed by printer 16
Heat emission hole 19 is put, the heat emission hole 19 is fixedly connected with housing 3, and the heat emission hole 19 is made up of wire netting, and iron wire net surface is also
With warp layer matter film, it can both prevent that machine overheated when tester from running, while also dust etc. can be organized to pass through heat emission hole
19 enter inside tester, and by setting indicator lamp 12, the indicator lamp 12 is fixedly connected with housing 3, can be with straightforward
Observe the running status of tester.A kind of transformer ratio tester described in the utility model, provided with of lid 1, display screen 13, beat
Print machine 16, lock 17, handle 18 and heat emission hole 19, ensure that tester operationally has good radiating, while easy to carry,
Dust-obstructing efficiency is good, brings more preferable prospect of the application.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. a kind of transformer ratio tester, including lid（1）, housing（3）, low pressure side interface（4）, high pressure side interface（5）, display
Screen（13）, printer（16）And heat emission hole（19）, it is characterised in that：The lid（1）Bottom is installed with connecting shaft（2）,
The connecting shaft（2）Bottom is installed with housing（3）, the housing（3）Side is installed with low pressure side interface（4）, institute
State low pressure side interface（4）Bottom is installed with high pressure side interface（5）, the high pressure side interface（5）Side, which is installed with, to be connect
Ground terminal（6）, the low pressure side interface（4）Opposite side is installed with display screen（13）, the display screen（13）Top is fixed
Indicator lamp is installed（12）, its underpart is provided with reset button（7）, the reset button（7）Side is installed with selection key（9）, institute
State selection key（9）Side is installed with indicator lamp（11）, reset button（7）Bottom is installed with feeler switch（8）, the test
Key（8）Side is installed with parameter setting key（10）, the display screen（13）Side is installed with power outlet interface
（14）, the power outlet interface（14）Bottom is installed with power switch（15）, the power switch（15）Bottom is fixed
Printer is installed（16）, the housing（3）One end is installed with lock（17）And handle（18）, the fixed installation of its other end
There is heat emission hole（19）.
A kind of 2. transformer ratio tester according to claim 1, it is characterised in that：The lid（1）And housing（3）'s
Material is aluminium alloy.
A kind of 3. transformer ratio tester according to claim 1, it is characterised in that：The display screen（13）Show for LED
Display screen.
A kind of 4. transformer ratio tester according to claim 1, it is characterised in that：The lock（17）And handle（18）
Material be stainless steel.
A kind of 5. transformer ratio tester according to claim 1, it is characterised in that：The heat emission hole（19）Material be
Steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524704.8U CN207148233U (en) | 2017-05-12 | 2017-05-12 | A kind of transformer ratio tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524704.8U CN207148233U (en) | 2017-05-12 | 2017-05-12 | A kind of transformer ratio tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148233U true CN207148233U (en) | 2018-03-27 |
Family
ID=61659320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720524704.8U Active CN207148233U (en) | 2017-05-12 | 2017-05-12 | A kind of transformer ratio tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207148233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342771A (en) * | 2018-11-02 | 2019-02-15 | 国网江苏省电力有限公司灌云县供电分公司 | A kind of monitoring diagnosis device of power transformer |
| CN109444603A (en) * | 2018-12-13 | 2019-03-08 | 国网河南省电力公司洛阳供电公司 | One kind being based on modular primary equipment simulation system tester |
-
2017
- 2017-05-12 CN CN201720524704.8U patent/CN207148233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342771A (en) * | 2018-11-02 | 2019-02-15 | 国网江苏省电力有限公司灌云县供电分公司 | A kind of monitoring diagnosis device of power transformer |
| CN109444603A (en) * | 2018-12-13 | 2019-03-08 | 国网河南省电力公司洛阳供电公司 | One kind being based on modular primary equipment simulation system tester |
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