CN206832889U - A kind of direct-current resistance tester for transformer - Google Patents
A kind of direct-current resistance tester for transformer Download PDFInfo
- Publication number
- CN206832889U CN206832889U CN201720303502.0U CN201720303502U CN206832889U CN 206832889 U CN206832889 U CN 206832889U CN 201720303502 U CN201720303502 U CN 201720303502U CN 206832889 U CN206832889 U CN 206832889U
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- terminal
- electric current
- control panel
- display screen
- direct
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- 238000012360 testing method Methods 0.000 claims abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 11
- 241000270722 Crocodylidae Species 0.000 claims description 9
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
It the utility model is related to electrical equipment technical field, a kind of direct-current resistance tester for transformer is specifically disclosed, including a casing, outside the enclosure side is provided with handle, control panel is provided with casing, lithium battery group as power supply is provided with below control panel, be provided with the control panel for charged to lithium battery group charging terminal, be provided with below charging terminal power switch, on the right side of charging terminal and power switch provided with positive polarity terminal, voltage negative terminal, electric current positive terminal, electric current negative terminal；The centre position of the control panel sets display screen, and SR, electric current button, testing button are provided with below the display screen.The utility model has the advantages that, this instrument have the advantages that to test the speed fast, precision height, intuitive display, strong antijamming capability, small volume, power consumptive province, test data is reliable and stable, is not affected by human factors, and the built-in rechargeable battery pack of instrument, it is easy to scene and field test.
Description
Technical field
Electrical equipment technical field is the utility model is related to, particularly relates to a kind of direct-current resistance tester for transformer.
Background technology
In the prior art, known technology is repaired in transformer, handing-over, it is necessary to measuring transformer when converting parted hair
D.C. resistance, the existing most measurement accuracy of measuring method is not high and not readily portable, is brought greatly to staff
Inconvenience, existing this are weak points present in prior art.
Utility model content
The purpose of this utility model is to provide a kind of direct-current resistance tester for transformer, and measuring accuracy is high, and is easy to take
Band, used beneficial to staff.
To achieve these goals, the utility model employs following technical scheme：A kind of DCR of Transformer is surveyed
Instrument is tried, including a casing, outside the enclosure side are provided with handle, and control panel is provided with casing, are provided with and make below control panel
For the lithium battery group of power supply, be provided with the control panel for charged to lithium battery group charging terminal, in charging terminal
Lower section is provided with power switch, is provided with positive polarity terminal, voltage negative terminal, electric current on the right side of charging terminal and power switch
Positive terminal, electric current negative terminal；
The centre position of the control panel sets display screen, is provided with SR below the display screen, electric current is pressed
Button, testing button.
Wherein, the charging terminal and power switch are connected with lithium battery group.
Wherein, it is electrically connected with inside the power switch and display screen.
Wherein, the positive polarity terminal, voltage negative terminal, electric current positive terminal, electric current negative terminal show with described
It is electrically connected with inside display screen.
Wherein, the SR, electric current button, testing button inside the display screen with being electrically connected with.
Wherein, the positive polarity terminal, electric current positive terminal are connected by a crocodile clip wire, the voltage negative pole end
Son, electric current negative terminal are connected by another crocodile clip wire, and two crocodile clip wires are connected to measured resistance by a wire
Both ends.
The beneficial effects of the utility model are：This instrument has test the speed fast, precision height, intuitive display, antijamming capability
By force, small volume, power consumptive province, test data is reliable and stable, the advantages that not being affected by human factors, and the built-in chargeable electricity of instrument
Pond group, it is easy to scene and field test.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only the utility model in order to more clearly
Illustrate the utility model embodiment or technical scheme of the prior art, below will be to needed for embodiment or description of the prior art
The accompanying drawing to be used is briefly described, and for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of four terminals of the present utility model connection.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
A kind of direct-current resistance tester for transformer as shown in Figure 1, including a casing, outside the enclosure side are provided with handle,
Control panel is provided with casing, the lithium battery group as power supply is provided with below control panel, is provided with the control panel
For charged to lithium battery group charging terminal 1, below charging terminal 1 be provided with power switch 2, in charging terminal 1 and power supply
The right side of switch 2 is provided with positive polarity terminal 3, voltage negative terminal 4, electric current positive terminal 5, electric current negative terminal 6；
The centre position of the control panel sets display screen 7, and SR 8, electric current are provided with below the display screen 7
Button 9, testing button 10.
The charging terminal 1 and power switch 2 are connected with lithium battery group.
The inside of power switch 2 and display screen 7 is electrically connected with, the positive polarity terminal 3, voltage negative terminal 4, electricity
Flow positive terminal 5, electric current negative terminal 6 and the inside of display screen 7 to be electrically connected with, the SR 8, electric current button 9, survey
Button 10 is tried to be electrically connected with the inside of display screen 7.
As shown in Fig. 2 the positive polarity terminal 3, electric current positive terminal 5 are connected by a crocodile clip wire 11, it is described
Voltage negative terminal 4, electric current negative terminal 6 are connected by another crocodile clip wire 11, and two crocodile clip wires 11 are led by one
Line is connected to the both ends of measured resistance.
I+, V+, V-, I- terminal of instrument are connected with measured resistance by Fig. 2 method.This attached method, it can disappear
Except the influence of contact resistance and contact resistance to measurement.
When measuring big inductance test product such as power transformer, other coils for being not required to measurement beyond test loop preferably will
Its short circuit, in order to avoid electromagnetic interference.
There is a constant-current source that can produce DC current in tester.When measuring resistance, constant current is from I+, I- end to quilt
Measuring resistance feed-in constant current, the electric current produce corresponding magnitude of voltage in measured resistance, and this magnitude of voltage fetches this at V+, V- end
Machine, it is amplified, the resistance value of measured resistance is directly shown with display screen 7.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (6)
- A kind of 1. direct-current resistance tester for transformer, it is characterised in that：Including a casing, outside the enclosure side is provided with handle, in case Control panel is provided with vivo, the lithium battery group as power supply is provided with below control panel, use is provided with the control panel Power switch (2) is provided with the charging terminal (1) to be charged to lithium battery group, in charging terminal (1) lower section, in charging terminal (1) Positive polarity terminal (3), voltage negative terminal (4), electric current positive terminal (5), electric current are provided with the right side of power switch (2) to bear Extreme son (6)；The centre position of the control panel sets display screen (7), and SR (8), electricity are provided with below the display screen (7) Flow button (9), testing button (10).
- A kind of 2. direct-current resistance tester for transformer according to claim 1, it is characterised in that：The charging terminal (1) It is connected with power switch (2) with lithium battery group.
- A kind of 3. direct-current resistance tester for transformer according to claim 1, it is characterised in that：The power switch (2) It is electrically connected with inside display screen (7).
- A kind of 4. direct-current resistance tester for transformer according to claim 1, it is characterised in that：The positive polarity terminal (3), voltage negative terminal (4), electric current positive terminal (5), electric current negative terminal (6) inside the display screen (7) with electrically connecting Connect.
- A kind of 5. direct-current resistance tester for transformer according to claim 1, it is characterised in that：The SR (8), Electric current button (9), testing button (10) inside the display screen (7) with being electrically connected with.
- A kind of 6. direct-current resistance tester for transformer according to claim 1, it is characterised in that：The positive polarity terminal (3), electric current positive terminal (5) is connected by a crocodile clip wire (11), the voltage negative terminal (4), electric current negative terminal (6) connected by another crocodile clip wire (11), two crocodile clip wires (11) are connected to the two of measured resistance by a wire End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720303502.0U CN206832889U (en) | 2017-03-27 | 2017-03-27 | A kind of direct-current resistance tester for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720303502.0U CN206832889U (en) | 2017-03-27 | 2017-03-27 | A kind of direct-current resistance tester for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832889U true CN206832889U (en) | 2018-01-02 |
Family
ID=60767840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720303502.0U Expired - Fee Related CN206832889U (en) | 2017-03-27 | 2017-03-27 | A kind of direct-current resistance tester for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470924A (en) * | 2018-11-26 | 2019-03-15 | 浙江宝利特新能源股份有限公司 | A kind of photovoltaic back film resistance tester |
| CN114814418A (en) * | 2022-04-18 | 2022-07-29 | 盐城驭风新能源技术有限公司 | Power grid monitoring device and monitoring method based on smart power grid |
-
2017
- 2017-03-27 CN CN201720303502.0U patent/CN206832889U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470924A (en) * | 2018-11-26 | 2019-03-15 | 浙江宝利特新能源股份有限公司 | A kind of photovoltaic back film resistance tester |
| CN109470924B (en) * | 2018-11-26 | 2024-06-11 | 浙江宝利特新能源股份有限公司 | Photovoltaic back film resistance tester |
| CN114814418A (en) * | 2022-04-18 | 2022-07-29 | 盐城驭风新能源技术有限公司 | Power grid monitoring device and monitoring method based on smart power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |