CN215894905U

CN215894905U - Portable transformer direct-current resistance detection device

Info

Publication number: CN215894905U
Application number: CN202121259056.0U
Authority: CN
Inventors: 李志鹏; 刘攀
Original assignee: Wuhan Hanyuanjiji Electric Power Co ltd
Current assignee: Wuhan Hanyuanjiji Electric Power Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-22
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to the technical field of transformer direct current resistance detection equipment, and discloses a portable transformer direct current resistance detection device which comprises a detector body, wherein a box body is sleeved on the periphery of the detector body, an upper cover is hinged on one side of the top of the box body, a storage grid is arranged on one side of the center of the box body, a storage battery is arranged in the center of the bottom surface of the inner part of the box body, and mounting seats are respectively arranged at the angular positions on two sides of the box body. The labor capacity of workers is reduced, and the practicability of the equipment is improved.

Description

Portable transformer direct-current resistance detection device

Technical Field

The utility model relates to the technical field of transformer direct-current resistance detection equipment, in particular to a portable transformer direct-current resistance detection device.

Background

The transformer is an important link in transformer test for measuring direct current resistance. The direct current resistance of the transformer must be measured no matter whether the transformer is subjected to a factory test or a handover test or whether the transformer is normally overhauled. The direct current resistance test can check the welding quality of a wire inside a winding, the welding quality of a lead wire and the winding, whether the specification of the wire used by the winding meets the design requirement, whether the contact of a tap switch, the lead wire, a sleeve and other current carrying parts is good, whether three-phase resistance is balanced and other defects, and therefore an equipment is needed for rapidly detecting the direct current resistance of the transformer.

The transformer direct current resistance detection method has three kinds, generally adopt the direct current resistance detection method, however most need external power supply or generator to supply power when transformer direct current resistance detection device on the market uses, the application scope of equipment has been reduced, greatly increased the volume of equipment, it is inconvenient to carry, and detection environment is simple and crude, when not having the desk, the staff often need squat on the ground and detect, very hard, the size of transformer highly all inequality simultaneously, the in-process transformer direct current resistance detection device height of detection is unadjustable, greatly reduced the practicality of device. Therefore, those skilled in the art have provided a portable transformer dc resistance detection device to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a portable transformer dc resistance detection device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a portable transformer direct current resistance detection device, includes the detector body, the detector body periphery cup joints installs the box, just box top one side articulates there is the upper cover, the matter storage lattice has been seted up to box center one side, just the battery is installed at the inside bottom surface center of box, the mount pad is installed respectively to box both sides angular position, and four elevating system is installed respectively to mount pad one side.

As a still further scheme of the utility model: and lock bodies are respectively arranged at two angular positions of the top of the box body at the adjacent side of the lifting mechanism.

As a still further scheme of the utility model: and two angular positions at the bottom of one side of the upper cover are respectively provided with a lock head.

As a still further scheme of the utility model: a power socket is installed at one corner of the upper surface of the detector body and electrically connected with the detector body, and the detector body is electrically connected with the storage battery, so that the detector body can work normally.

As a still further scheme of the utility model: elevating system includes outer sleeve, first screw thread piece, inner skleeve, supporting leg and second screw thread piece, four install respectively at mount pad one side center the outer sleeve, just the inside activity of outer sleeve has been cup jointed the inner skleeve, install respectively with the bottom in the inside top of outer sleeve first screw thread piece, the inside activity of inner skleeve has been cup jointed the supporting leg, just install respectively with the bottom in the inside top of inner skleeve the second screw thread piece, the supporting leg bottom rigid coupling has the bottom plate respectively, is favorable to adjusting the height of instrument through elevating system.

As a still further scheme of the utility model: external threads are respectively arranged on the inner sleeve and the outer circumference of the top of the supporting leg.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model adopts the built-in storage battery for power supply, reduces the volume of the equipment, is convenient to carry, avoids a series of complicated operations such as using a generator and the like because no power supply exists on site, and enlarges the application range of the equipment;

2. according to the utility model, through the installation of the lifting mechanism, the lifting of the detector body is realized, the height of the detector body can be adjusted according to actual conditions, the detection of transformers with different sizes is facilitated, meanwhile, workers can realize detection without stooping down to squat, the labor capacity of the workers is reduced, and the practicability of the detector is improved.

Drawings

FIG. 1 is a schematic structural diagram of a portable transformer DC resistance detection device;

FIG. 2 is a partial sectional view of the overall structure of a portable transformer DC resistance detection device;

FIG. 3 is a schematic structural diagram of a lifting mechanism in the portable transformer DC resistance detection device;

fig. 4 is an enlarged schematic view of the area a in fig. 3.

In the figure: 1. a mounting seat; 2. a lifting mechanism; 3. a box body; 4. a base plate; 5. a lock body; 6. a detector body; 7. a power socket; 8. an upper cover; 9. a lock head; 10. a storage grid; 11. a storage battery; 201. an outer sleeve; 202. a first thread block; 203. an inner sleeve; 204. supporting legs; 205. and a second thread block.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a portable transformer dc resistance detection apparatus includes a detector body 6, a box 3 is sleeved on the periphery of the detector body 6, an upper cover 8 is hinged on one side of the top of the box body 3, a storage lattice 10 is arranged on one side of the center of the box body 3, a storage battery 11 is arranged at the center of the bottom surface in the box body 3, lock bodies 5 are respectively arranged at two angular positions of the top of the box body 3 at the adjacent side of the lifting mechanism 2, lock heads 9 are respectively arranged at two angular positions of the bottom of one side of the upper cover 8, a power socket 7 is arranged at one angular position of the upper surface of the detector body 6, the power socket 7 is electrically connected with the detector body 6, and the detector body 6 is electrically connected with the storage battery 11.

In fig. 1, 3 and 4: the two side angle positions of the two sides of the box body 3 are respectively provided with the mounting seats 1, one side of each of the four mounting seats 1 is respectively provided with four lifting mechanisms 2, each lifting mechanism 2 comprises an outer sleeve 201, a first thread block 202, an inner sleeve 203, a supporting leg 204 and a second thread block 205, the center of one side of each of the four mounting seats 1 is respectively provided with the outer sleeve 201, the inner sleeve 203 is movably sleeved in the outer sleeve 201, the top and the bottom of the inner sleeve 201 are respectively provided with the first thread block 202, the inner sleeve 203 is movably sleeved with the supporting leg 204, the top and the bottom of the inner sleeve 203 are respectively provided with the second thread block 205, the bottom of the supporting leg 204 is respectively fixedly connected with a bottom plate 4, the outer circumferences of the tops of the inner sleeve 203 and the supporting leg 204 are respectively provided with external threads, the lifting of the equipment can be favorably realized by the lifting mechanisms 2, the detection of transformers with different heights can be favorably realized, and the height of the equipment can be adjusted by a worker according to the actual situation, the practicability of the equipment is improved.

The working principle of the utility model is as follows: in the using process of the utility model, firstly, the height of the equipment is adjusted according to the conditions of a detection site and a detection transformer, the bottom plate 4 is rotated to drive the supporting leg 204 to rotate, so that the external thread at the top of the supporting leg 204 is loosened from the threaded connection with the second thread block 205 at the top inside the inner sleeve 203, then the supporting leg 204 is pulled downwards, the supporting leg 204 extends out, then the supporting leg 204 is rotated reversely, so that the top thread of the supporting leg 204 is in threaded connection with the second thread block 205 at the bottom inside the inner sleeve 203, then the inner sleeve 203 is rotated, the threaded connection between the inner sleeve 203 and the first thread block 202 at the top inside the outer sleeve 201 is loosened, then the inner sleeve 203 is pulled downwards, then the inner sleeve 203 is rotated reversely, so that the inner sleeve 203 is in threaded connection with the first thread block 202 at the bottom inside the outer sleeve 201, so that the supporting leg 204 extends out, otherwise, the side supporting leg 204 retracts, and the lifting of the equipment is facilitated, height convenient to according to actual conditions adjustment device, the practicality of equipment has been promoted, under the condition that does not have the desk, the staff need not to squat down and detects, the detection degree of difficulty has been reduced, open detector body 6 immediately, through the low ripple power of steady voltage high accuracy, output constant current, produce stable voltage signal when constant current is through being measured the resistance on being measured the resistance, this signal is by the LCD direct display resistance value on the detector body 6 after the computer processing, the utility model discloses a power supply is supplied power to the mode of built-in battery 11, the volume of equipment has been reduced, and is convenient to carry, need not external power supply and can use, and application range has been enlarged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a portable transformer direct current resistance detection device, includes detector body (6), its characterized in that, detector body (6) periphery is cup jointed and is installed box (3), just box (3) top one side articulates there is upper cover (8), storage rack (10) have been seted up to box (3) center one side, just battery (11) are installed at the inside bottom surface center of box (3), mount pad (1), and four are installed respectively to box (3) both sides angular position four elevating system (2) are installed respectively to mount pad (1) one side.

2. The portable transformer direct current resistance detection device according to claim 1, wherein the box body (3) is provided with a lock body (5) at two angular positions at the top of the adjacent side of the lifting mechanism (2).

3. The portable transformer direct current resistance detection device according to claim 1, wherein locking heads (9) are respectively installed at two angular positions of the bottom of one side of the upper cover (8).

4. The portable transformer direct current resistance detection device according to claim 1, wherein a power socket (7) is installed at an angular position on the upper surface of the detector body (6), the power socket (7) is electrically connected with the detector body (6), and the detector body (6) is electrically connected with the storage battery (11).

5. The portable transformer direct current resistance detection device according to claim 1, wherein the lifting mechanism (2) comprises an outer sleeve (201), a first thread block (202), an inner sleeve (203), support legs (204) and a second thread block (205), four the outer sleeve (201) is installed at the center of one side of the mounting seat (1) respectively, the inner sleeve (203) is sleeved on the inner portion of the outer sleeve (201) in a movable mode, the first thread block (202) is installed at the top and the bottom of the outer sleeve (201) respectively, the support legs (204) are sleeved on the inner portion of the inner sleeve (203) in a movable mode, the second thread block (205) is installed at the top and the bottom of the inner sleeve (203) respectively, and a bottom plate (4) is fixedly connected to the bottom of the support legs (204) respectively.

6. The portable transformer direct current resistance detection device according to claim 5, wherein the inner sleeve (203) and the outer circumference of the top of the support leg (204) are respectively provided with an external thread.