CN213934029U - Four-in-one transformer low-voltage measuring cabinet - Google Patents
Four-in-one transformer low-voltage measuring cabinet Download PDFInfo
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- CN213934029U CN213934029U CN202022365333.8U CN202022365333U CN213934029U CN 213934029 U CN213934029 U CN 213934029U CN 202022365333 U CN202022365333 U CN 202022365333U CN 213934029 U CN213934029 U CN 213934029U
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Abstract
The utility model discloses a four-in-one transformer low-voltage measuring cabinet, which comprises a cabinet body, and a transformation ratio tester, a direct resistance tester, a dielectric loss tester and a high resistance tester which are arranged on the cabinet body; the transformation ratio tester is used for testing the transformation ratio of the transformer; the direct resistance tester is used for testing the direct resistance of the transformer; the dielectric loss tester is used for testing the dielectric loss of the transformer; the high-resistance tester is used for testing the high resistance of the transformer; the cabinet body is also provided with a high-voltage wiring and a low-voltage wiring for testing the transformer. The utility model discloses reducible wiring work load to the transformer when carrying out four kinds of tests improves efficiency of software testing.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, especially, relate to a four-in-one formula transformer low pressure measurement cabinet.
Background
The testing of the low-voltage side of the transformer mainly comprises a transformation ratio test, a direct resistance test, a dielectric loss test and a high resistance test; at present, four kinds of tests need to be carried out on four testers one by one, and therefore, the wiring workload is large, and the testing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, provide a four unification formula transformer low pressure measuring cabinets, reducible wiring work load to the transformer when carrying out four kinds of tests improves efficiency of software testing.
In order to solve the technical problem, the utility model discloses a technical scheme is: a four-in-one transformer low-voltage measuring cabinet comprises a cabinet body, and a transformation ratio tester, a direct resistance tester, a dielectric loss tester and a high resistance tester which are arranged on the cabinet body; the transformation ratio tester is used for testing the transformation ratio of the transformer; the direct resistance tester is used for testing the direct resistance of the transformer; the dielectric loss tester is used for testing the dielectric loss of the transformer; the high-resistance tester is used for testing the high resistance of the transformer; the cabinet body is also provided with a high-voltage wiring and a low-voltage wiring for testing the transformer; one end of the high-voltage connection wire is connected with a high-voltage terminal of the transformer, the other end of the high-voltage connection wire is connected with four branch high-voltage connection wires in parallel, a first branch high-voltage connection wire in the four branch high-voltage connection wires is connected with a high-voltage end of the transformation ratio tester, a second branch high-voltage connection wire is connected with a high-voltage end of the direct resistance tester, a third branch high-voltage connection wire is connected with a high-voltage end of the dielectric loss tester, and a fourth branch high-voltage connection wire is connected with a high-voltage end of the high resistance tester; one end of the low-voltage connection wire is connected with a low-voltage terminal of the transformer, the other end of the low-voltage connection wire is connected with four branch low-voltage connection wires in parallel, a first branch low-voltage connection wire in the four branch low-voltage connection wires is connected with a low-voltage end of the transformation ratio tester, a second branch low-voltage connection wire is connected with a low-voltage end of the direct resistance tester, a third branch low-voltage connection wire is connected with a low-voltage end of the dielectric loss tester, and a fourth branch low-voltage connection wire is connected with a low-voltage end of the high-resistance tester; contactors are uniformly arranged on the first branch high-voltage connection line and the first branch low-voltage connection line; and relays are uniformly distributed on the second branch high-voltage connection wire, the second branch low-voltage connection wire, the third branch high-voltage connection wire, the third branch low-voltage connection wire, the fourth branch high-voltage connection wire and the fourth branch low-voltage connection wire.
Above-mentioned four unification formula transformer low pressure measurement cabinet still includes the display screen of laying at the internal PC of cabinet and being connected with the PC, contactor and relay all receive PC control, transformation ratio tester, direct resistance tester, dielectric loss tester and high resistance tester all with PC communication connection, the display screen is used for showing test data.
Above-mentioned four unification formula transformer low pressure measuring cabinet, the contactor is the 220V contactor.
Above-mentioned four unification formula transformer low pressure measurement cabinets, the relay on second branch high-voltage connection line, second branch low-voltage connection line, fourth branch high-voltage connection line and the fourth branch low-voltage connection line is vacuum relay.
According to the four-in-one transformer low-voltage measuring cabinet, the relays on the third branch high-voltage connection and the third branch low-voltage connection are high-voltage dry reed relays.
Compared with the prior art, the utility model has the following advantage: the utility model discloses an on the cabinet body is integrated to four kinds of testers to through with four testers and connect, sharing high-voltage connection and low pressure wiring, reducible wiring work load to the transformer when carrying out four kinds of tests improves efficiency of software testing.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic circuit diagram of the prior art.
Fig. 2 is a schematic circuit diagram of the present invention.
Fig. 3 is a structural diagram of the present invention.
Fig. 4 is a circuit principle control block diagram of the present invention.
Description of reference numerals:
1-a cabinet body; 2-transformation ratio tester; 3-direct resistance tester;
4-dielectric loss tester; 5-high resistance tester; 6-high voltage wiring;
7-a first branch high voltage connection line; 8-second branch high voltage connection line; 9-third branch high voltage connection;
10-fourth branch high voltage connection 11-low voltage connection; 12-a first branch low voltage bond line;
a wire;
13-second branch low voltage connection 14-third branch low voltage connection 15-fourth branch low voltage connection line;
a wire; a wire;
16-a PC machine; 17 a display screen; 18 a door opening and closing structure;
19 a keyboard drawer; 20 a glass visible door.
Detailed Description
Fig. 1 is a schematic circuit diagram of a transformer tester. It can be seen from the figure that, if the transformer is subjected to the transformation ratio test, the direct resistance test, the dielectric loss test and the high resistance test, four lines need to be connected respectively, the wiring workload is large, and the test efficiency is low.
The utility model, as shown in fig. 2 and fig. 3, comprises a cabinet body 1, and a transformation ratio tester 2, a direct resistance tester 3, a dielectric loss tester 4 and a high resistance tester 5 which are arranged on the cabinet body 1; the transformation ratio tester 2 is used for testing the transformation ratio of the transformer; the direct resistance tester 3 is used for testing the direct resistance of the transformer; the dielectric loss tester 4 is used for testing the dielectric loss of the transformer; the high-resistance tester 5 is used for testing the high resistance of the transformer; the cabinet body 1 is also provided with a high-voltage wiring 6 and a low-voltage wiring 11 for testing the transformer; one end of the high-voltage connection wire 6 is used for being connected with a high-voltage terminal of a transformer, the other end of the high-voltage connection wire is connected with four branch high-voltage connection wires in parallel, a first branch high-voltage connection wire 7 of the four branch high-voltage connection wires is connected with a high-voltage end of the transformation ratio tester 2, a second branch high-voltage connection wire 8 of the four branch high-voltage connection wires is connected with a high-voltage end of the direct resistance tester 3, a third branch high-voltage connection wire 9 of the four branch high-voltage connection wires is connected with a high-voltage end of the dielectric loss tester 4, and a fourth branch high-voltage connection wire 10 of the four branch high-voltage connection wires is connected with a high-voltage end of the high resistance tester 5; one end of the low-voltage wiring 11 is used for being connected with a low-voltage terminal of a transformer, the other end of the low-voltage wiring is connected with four branch low-voltage wirings in parallel, a first branch low-voltage wiring 12 of the four branch low-voltage wirings is connected with a low-voltage end of the transformation ratio tester 2, a second branch low-voltage wiring 13 of the four branch low-voltage wirings is connected with a low-voltage end of the direct resistance tester 3, a third branch low-voltage wiring 14 of the four branch low-voltage wirings is connected with a low-voltage end of the dielectric loss tester 4, and a fourth branch low-voltage wiring 15 of the four branch low-voltage wirings is connected with a low-voltage end of the high-resistance tester 5; contactors are uniformly arranged on the first branch high-voltage connection wire 7 and the first branch low-voltage connection wire 12; and relays are uniformly distributed on the second branch high-voltage connection line 8, the second branch low-voltage connection line 13, the third branch high-voltage connection line 9, the third branch low-voltage connection line 14, the fourth branch high-voltage connection line 10 and the fourth branch low-voltage connection line 15.
As shown in fig. 4, in this embodiment, the cabinet further includes a PC 16 arranged in the cabinet body 1 and a display screen 17 connected to the PC 16, the contactor and the relay are controlled by the PC 16, the transformation ratio tester 2, the direct resistance tester 3, the dielectric loss tester 4, and the high resistance tester 5 are all in communication connection with the PC 16, and the display screen 17 is used for displaying test data.
In this embodiment, the contactor is a 220V contactor.
In this embodiment, the relays on the second branch high-voltage connection line 8, the second branch low-voltage connection line 13, the fourth branch high-voltage connection line 10 and the fourth branch low-voltage connection line 15 are all vacuum relays.
In this embodiment, the relays on the third branch high-voltage connection 9 and the third branch low-voltage connection 14 are both high-voltage dry reed relays.
In this embodiment, the high resistance tester 5 is a high current winding resistance tester.
As shown in fig. 3, the left half of the front side of the cabinet body 1 is an opening and closing door structure 18, the display screen 17 is arranged above the right half of the front side of the cabinet body 1, the keyboard drawer 19 for accommodating the keyboard is arranged below the display screen 17, the keyboard is connected with the PC 16, and the ratio-variable tester installation position, the direct resistance tester installation position, the dielectric loss tester installation position, the high resistance tester installation position and the glass visual door 20 are sequentially arranged below the keyboard drawer 19 from top to bottom. Universal wheels are installed below the cabinet body 1.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (5)
1. The utility model provides a four unification formula transformer low pressure measurement cabinets which characterized in that: the device comprises a cabinet body, and a transformation ratio tester, a direct resistance tester, a dielectric loss tester and a high resistance tester which are arranged on the cabinet body;
the transformation ratio tester is used for testing the transformation ratio of the transformer;
the direct resistance tester is used for testing the direct resistance of the transformer;
the dielectric loss tester is used for testing the dielectric loss of the transformer;
the high-resistance tester is used for testing the high resistance of the transformer;
the cabinet body is also provided with a high-voltage wiring and a low-voltage wiring for testing the transformer;
one end of the high-voltage connection wire is connected with a high-voltage terminal of the transformer, the other end of the high-voltage connection wire is connected with four branch high-voltage connection wires in parallel, a first branch high-voltage connection wire in the four branch high-voltage connection wires is connected with a high-voltage end of the transformation ratio tester, a second branch high-voltage connection wire is connected with a high-voltage end of the direct resistance tester, a third branch high-voltage connection wire is connected with a high-voltage end of the dielectric loss tester, and a fourth branch high-voltage connection wire is connected with a high-voltage end of the high resistance tester;
one end of the low-voltage connection wire is connected with a low-voltage terminal of the transformer, the other end of the low-voltage connection wire is connected with four branch low-voltage connection wires in parallel, a first branch low-voltage connection wire in the four branch low-voltage connection wires is connected with a low-voltage end of the transformation ratio tester, a second branch low-voltage connection wire is connected with a low-voltage end of the direct resistance tester, a third branch low-voltage connection wire is connected with a low-voltage end of the dielectric loss tester, and a fourth branch low-voltage connection wire is connected with a low-voltage end of the high-resistance tester;
contactors are uniformly arranged on the first branch high-voltage connection line and the first branch low-voltage connection line;
and relays are uniformly distributed on the second branch high-voltage connection wire, the second branch low-voltage connection wire, the third branch high-voltage connection wire, the third branch low-voltage connection wire, the fourth branch high-voltage connection wire and the fourth branch low-voltage connection wire.
2. The four-in-one transformer low-voltage measuring cabinet according to claim 1, characterized in that: still including laying at the internal PC of cabinet and the display screen of being connected with the PC, contactor and relay all receive PC control, transformation ratio tester, direct resistance tester, dielectric loss tester and high resistance tester all with PC communication connection, the display screen is used for showing test data.
3. The four-in-one transformer low-voltage measuring cabinet according to claim 1 or 2, characterized in that: the contactor is a 220V contactor.
4. The four-in-one transformer low-voltage measuring cabinet according to claim 1 or 2, characterized in that: and the relays on the second branch high-voltage connection wire, the second branch low-voltage connection wire, the fourth branch high-voltage connection wire and the fourth branch low-voltage connection wire are all vacuum relays.
5. The four-in-one transformer low-voltage measuring cabinet according to claim 1 or 2, characterized in that: and the relays on the third branch high-voltage connection wire and the third branch low-voltage connection wire are high-voltage dry reed relays.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357001 | 2020-07-10 | ||
| CN2020213570019 | 2020-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213934029U true CN213934029U (en) | 2021-08-10 |
Family
ID=77225591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022365333.8U Active CN213934029U (en) | 2020-07-10 | 2020-10-22 | Four-in-one transformer low-voltage measuring cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213934029U (en) |
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2020
- 2020-10-22 CN CN202022365333.8U patent/CN213934029U/en active Active
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