CN214585702U - Multifunctional full-automatic direct current resistance tester for transformer - Google Patents
Multifunctional full-automatic direct current resistance tester for transformer Download PDFInfo
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- CN214585702U CN214585702U CN202120165182.3U CN202120165182U CN214585702U CN 214585702 U CN214585702 U CN 214585702U CN 202120165182 U CN202120165182 U CN 202120165182U CN 214585702 U CN214585702 U CN 214585702U
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- current resistance
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 230000009466 transformation Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000819 phase cycle Methods 0.000 abstract description 2
- 230000033764 rhythmic process Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a multi-functional full-automatic transformer direct current resistance tester, including the tester main part, the surface of tester main part is close to rear end edge position and is equipped with the name sign, the surface of tester main part is close to central point and puts fixed mounting and have the LCD screen, turn right from a left side and be provided with fusing alarm and insurance respectively in surface one side of tester main part and the front end of name sign, fusing alarm and insurance are kept away from one side of name sign and surface one side of tester main part and have been seted up the high-pressure end interface. The utility model has the advantages of automatic measure wiring group is other, automatic group transform, automatic switch-over phase sequence, automatic switch-over range, once measure and accomplish, effectively solved the operation process that the transformation ratio that present uses transformation ratio electric bridge measuring transformer exists loaded down with trivial details, measuring range is narrow and not adapt to modern measuring fast rhythm, efficient requirement problem already.
Description
Technical Field
The utility model relates to a resistance test technical field specifically is a multi-functional full-automatic transformer direct current resistance tester.
Background
The tester for testing the direct current resistance of the transformer is a high-precision upgrading product replacing a direct current single-arm bridge and a double-arm bridge, the measurement of the direct current resistance of a transformer winding is an important test item, in the 'test regulation of power equipment', the direct current resistance of the transformer winding needs to be measured when the 'regulation' stipulates the conditions of transformer handover, major repair, minor repair, tap position change, fault check, pre-test and the like, and the purpose is that: the method comprises the steps of checking the welding quality of a lead and a lead in a winding, checking whether contact of each position of a tap switch is good or not, checking whether a winding or an outgoing line has a broken part or not, checking the correctness of a parallel branch, checking whether the condition that one or more parts of the winding wound by a plurality of parallel leads are broken or not and the phenomenon that short circuit exists between turns or not, measuring the transformation ratio of a transformer by using a transformation ratio bridge currently, wherein the method has the defects of complex operation process and narrow measurement range, and is not suitable for the requirements of fast pace and high efficiency of modern measurement, so that how to design a multifunctional full-automatic transformer direct-current resistance tester becomes the problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-functional full-automatic transformer direct current resistance tester to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: in order to achieve the above object, the utility model provides a following technical scheme: a multifunctional full-automatic direct current resistance tester of a transformer comprises a tester main body, wherein a name mark is arranged on the surface of the tester main body close to the edge position of a rear end, a liquid crystal display is fixedly installed on the surface of the tester main body close to a central position, a fusing alarm and a fuse are respectively arranged on one side of the surface of the tester main body and the front end of the name mark from left to right, a high-voltage end interface is arranged on one side of the fusing alarm and the fuse far away from the name mark and one side of the surface of the tester main body, a low-voltage end interface is arranged on one side of the high-voltage end interface far away from the name mark and one side of the surface of the tester main body, a grounding end and a communication interface are respectively arranged on the other side of the surface of the tester main body and the other side of the front end of the name mark and the grounding end of the communication interface are respectively arranged on the other side of the surface of the tester main body, the tester comprises a power interface, a tester body and a contrast indicator, wherein a power switch is fixedly mounted on the other side of the front end of the power interface and the other side of the surface of the tester body, a contrast indicator is fixedly mounted on the other side of the front end of the power switch and the other side of the surface of the tester body, and an operation key is fixedly mounted on the other side of the front end of the contrast indicator and the other side of the surface of the tester body.
Preferably, the high pressure end interface comprises a phase a, a phase B and a phase C, and the low pressure end interface comprises a phase a, a phase B and a phase C.
Preferably, the power interface is an AC220V interface.
Preferably, the operation keys include a down key, an up key, a left key, a right key, an enter key, and a reset key.
Preferably, the length of the liquid crystal screen is 139mm, and the width of the liquid crystal screen is 85 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the transformation ratio measuring range of the multifunctional full-automatic transformer direct current resistance tester is as follows: 1-10000, group: 1-12 points, precision: class 1-10000.2, class 1000-100000.5, power supply: AC220V ± 10%, 50HZ, ambient temperature of use: -5-40 ℃, ambient humidity of use: < 85%, volume: 430 × 320 × 215mm3, weight: 8Kg, have automatic measurement wiring group, change group automatically, switch over the phase sequence automatically, switch over the range automatically, automatic calibration, after inputting the standard transformation ratio, can calculate the relative error automatically, once measure and finish, cut off the test voltage automatically, set up the data, the measuring result is preserved automatically, can look over the previous data, measure and carry the transformer, only input the characteristic of the transformation ratio once, possess small, light in weight at the same time, the precision is high, the stability is good, have adopted the large screen Chinese character to show, the menu operation, the interface is friendly, the transformation ratio group can be measured and finished advantage once, solve the operation process that the transformation ratio of the current transformer of using the electrical bridge measuring transformer is tedious, the measuring range is narrow and already unsuitable to measure fast rhythm, efficient requirement of modern measurement.
Drawings
Fig. 1 is a schematic view of an operation interface of the present invention.
In the figure: 1. tester main part, 2, fusing alarm, 3, insurance, 4, high-voltage terminal interface, 5, low-voltage terminal interface, 6, name sign, 7, earthing terminal, 8, communication interface, 9, power interface, 10, LCD screen, 11, switch, 12, contrast pilot lamp, 13, operation button.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides an embodiment:
a multifunctional full-automatic direct current resistance tester of a transformer comprises a tester body 1, a name mark 6 is arranged on the surface of the tester body 1 close to the edge of the rear end, a liquid crystal screen 10 is fixedly installed on the surface of the tester body 1 close to the central position, a fusing alarm 2 and a fuse 3 are respectively arranged on one side of the surface of the tester body 1 and the front end of the name mark 6 from left to right, a high-voltage end interface 4 is arranged on one side of the fusing alarm 2 and the fuse 3 away from the name mark 6 and one side of the surface of the tester body 1, a low-voltage end interface 5 is arranged on one side of the high-voltage end interface 4 away from the name mark 6 and one side of the surface of the tester body 1, a grounding end 7 and a communication interface 8 are respectively arranged on the other side of the surface of the tester body 1 and the front end of the name mark 6 from left to right, a power interface 9 is arranged on the front ends of the grounding end 7 and the communication interface 8 and the other side of the surface of the tester body 1, the front end of the power interface 9 and the other side of the surface of the tester body 1 are fixedly provided with a power switch 11, the front end of the power switch 11 and the other side of the surface of the tester body 1 are fixedly provided with a contrast indicator lamp 12, and the front end of the contrast indicator lamp 12 and the other side of the surface of the tester body 1 are fixedly provided with an operation key 13.
Further, the high-pressure side interface 4 includes phases a, B, and C, and the low-pressure side interface 5 includes phases a, B, and C.
Further, the power interface 9 is an AC220V interface.
Further, the operation keys 13 include a down key, an up key, a left key, a right key, an enter key, and a reset key.
Further, the liquid crystal panel 10 has a length of 139mm and a width of 85 mm.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a multi-functional full-automatic transformer direct current resistance tester, includes tester main part (1), its characterized in that: the tester comprises a tester body (1), wherein a name mark (6) is arranged on the surface of the tester body (1) close to the edge position of a rear end, a liquid crystal screen (10) is fixedly arranged on the surface of the tester body (1) close to the center position, a fusing alarm (2) and a fuse (3) are arranged on one side of the surface of the tester body (1) and the front end of the name mark (6) from left to right respectively, a high-voltage end interface (4) is arranged on one side of the fusing alarm (2) and the fuse (3) far away from the name mark (6) and one side of the surface of the tester body (1), a low-voltage end interface (5) is arranged on one side of the high-voltage end interface (4) far away from the name mark (6) and one side of the surface of the tester body (1), and an earthing terminal (7) and a communication interface (8) are arranged on the other side of the surface of the tester body (1) and the front end of the name mark (6) from right respectively, power source (9) have been seted up to the front end of earthing terminal (7) and communication interface (8) and the surperficial opposite side of tester main part (1), power source (11) are installed to the front end of (9) and the surperficial opposite side fixed mounting of tester main part (1), the front end of switch (11) and the surperficial opposite side fixed mounting of tester main part (1) have contrast pilot lamp (12), the front end of contrast pilot lamp (12) and the surperficial opposite side fixed mounting of tester main part (1) have operation button (13).
2. The multifunctional full-automatic transformer direct current resistance tester according to claim 1, characterized in that: the high-pressure end interface (4) comprises an A phase, a B phase and a C phase, and the low-pressure end interface (5) comprises an a phase, a B phase and a C phase.
3. The multifunctional full-automatic transformer direct current resistance tester according to claim 1, characterized in that: the power supply interface (9) is an AC220V interface.
4. The multifunctional full-automatic transformer direct current resistance tester according to claim 1, characterized in that: the operation keys (13) include a down key, an up key, a left key, a right key, an enter key, and a reset key.
5. The multifunctional full-automatic transformer direct current resistance tester according to claim 1, characterized in that: the length of the liquid crystal screen (10) is 139mm, and the width of the liquid crystal screen is 85 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120165182.3U CN214585702U (en) | 2021-01-21 | 2021-01-21 | Multifunctional full-automatic direct current resistance tester for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120165182.3U CN214585702U (en) | 2021-01-21 | 2021-01-21 | Multifunctional full-automatic direct current resistance tester for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214585702U true CN214585702U (en) | 2021-11-02 |
Family
ID=78370164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120165182.3U Expired - Fee Related CN214585702U (en) | 2021-01-21 | 2021-01-21 | Multifunctional full-automatic direct current resistance tester for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214585702U (en) |
-
2021
- 2021-01-21 CN CN202120165182.3U patent/CN214585702U/en not_active Expired - Fee Related
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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: 20211102 |