CN214375032U

CN214375032U - Transformer transformation ratio tester

Info

Publication number: CN214375032U
Application number: CN202120063521.7U
Authority: CN
Inventors: 吴春章
Original assignee: Jilin Ruien Jiahua Power Development Co ltd
Current assignee: Jilin Ruien Jiahua Power Development Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-08
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a be used for transformer transformation ratio tester relates to and electric power test field, including test box, upper cover plate and first handle, the utility model discloses an upper end at the test box sets up the upper cover plate, and fix the top at the test box with the first fixed screw thread of four groups with the upper cover plate, the inside of upper cover plate is provided with the installing frame, the inside of installing frame is provided with louvre and dustproof filter screen respectively, dustproof filter screen sets up the bottom at the louvre, be used for blockking outside dust, the life of extension test box, the louvre is favorable to quick-witted case to give off inside heat, and be provided with the slider in the both ends outside of installing frame, the slider runs through in the inside spout of upper cover plate, can take out the installing frame through pulling second handle and clear up the dustproof filter screen of inside.

Description

Transformer transformation ratio tester

Technical Field

The utility model relates to an electric power test field specifically is a be used for transformer transformation ratio tester.

Background

The transformer transformation ratio tester is one of vital equipment in a power system, is used for testing a three-phase transformer of the power system, and is particularly suitable for testing transformation ratio level phase differences of a Z-shaped winding transformer, a rectifier transformer and a Scott, inverse Scott and balance transformer of a railway electrical system.

However, most of the existing transformer transformation ratio testers are poor in heat dissipation performance, and only the heat dissipation holes are formed, so that a large amount of dust is accumulated after the box of the tester is used for a long time, the measurement of the tester is influenced, and the service life of the tester is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for transformer transformation ratio tester, set up the upper cover plate through the upper end at the test box, and fix the top at the test box with the first fixed thread of four groups with the upper cover plate, the inside of upper cover plate is provided with the installing frame, the inside of installing frame is provided with louvre and dustproof filter screen respectively, dustproof filter screen sets up the bottom at the louvre, be used for blockking outside dust, the life of extension test box, the louvre is favorable to quick-witted case to give off inside heat, and be provided with the slider in the both ends outside of installing frame, the slider runs through in the inside spout of upper cover plate, can take out the installing frame through the pulling second handle and clear up the dustproof filter screen of inside and solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for transformer transformation ratio tester, includes the test box, its characterized in that: one side of test box is provided with the wiring groove, the inside in wiring groove is provided with the terminal, the terminal is in the inside of test box is provided with the multiunit, the top of test box is provided with the upper cover plate, the upper cover plate is fixed through the first fixed screw thread of four groups the top of test box, the inside of upper cover plate is provided with the spout, the spout is in the inside of upper cover plate is provided with two sets ofly, and arbitrary a set of the slider has all been run through to the inside of spout, the slider sets up the both ends at the installing frame, the inside of installing frame is provided with the louvre, the bottom of louvre is provided with dustproof filter screen, the inside center of installing frame is located the top of louvre is provided with the second handle.

Preferably, a display screen is arranged inside one end of the test box, and a key is arranged on one side of the display screen.

Preferably, the lower extreme of button is provided with adjust knob, test box one end is kept away from the inside power source that is provided with of one side of display screen, one side of power source is provided with switch.

Preferably, the bottom of test box is provided with the mounting groove, the mounting groove is in the bottom of test box is provided with two sets ofly, arbitrary a set of the inside of mounting groove all is provided with the fixed orifices.

Preferably, the fixed orifices are in the test box is located the same end inside of display screen is provided with two sets, arbitrary a set of the inside of mounting groove has all run through the fixture block, the fixture block sets up the bottom at the fixed plate, the outside of fixed plate is provided with first handle.

Preferably, the fixture block with the inside of fixed plate all is provided with the through-hole, the through-hole with the fixed orifices one-to-one, just the through-hole with the inside of fixed orifices all runs through second fixed screw, and arbitrary a set of second fixed screw all runs through a set of through-hole and a set of louvre respectively.

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

1. the utility model discloses a set up the upper cover plate in the upper end of test box, and fix the top at the test box with the first fixed screw thread of four groups, the inside of upper cover plate is provided with the installing frame, the inside of installing frame is provided with louvre and dustproof filter screen respectively, dustproof filter screen sets up the bottom at the louvre, be used for blockking outside dust, the life of extension test box, the louvre is favorable to quick-witted case to give off inside heat, and be provided with the slider in the both ends outside of installing frame, the slider runs through in the inside spout of upper cover plate, can take out the installing frame through the pulling second handle and clear up the dustproof filter screen of inside.

2. The utility model discloses a side at the test box is provided with two sets of fixed orificess to bottom at the test item is provided with two sets of mounting grooves, be provided with the fixed orifices in the mounting groove, it has the fixture block to run through in the mounting groove, the fixture block sets up the bottom at the fixed plate, respectively be provided with a set of through-hole in fixture block and the fixed plate, and with the fixed orifices one-to-one of draw-in groove and test to one side, one side of fixed plate is provided with first handle, and second fixed thread runs through fixed orifices and through-hole respectively and is used for fixing first handle, make the convenient dismantlement of first handle.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective enlarged view of the connection portion of the first handle of the present invention;

fig. 3 is a front sectional view of the upper cover plate of the present invention.

In the figure: 1. the test box, 2, the upper cover plate, 3, the wiring groove, 4, the terminal, 5, the display screen, 6, the button, 7, adjust knob, 8, power source, 9, switch, 10, first handle, 11, the mounting groove, 12, the fixed orifices, 13, the installing frame, 14, first fixed screw thread, 15, the louvre, 16, the fixed plate, 17, the through-hole, 18, the fixture block, 19, the second fixed screw thread, 20, the second handle, 21, dustproof filter screen, 22, the spout, 23, the slider.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a be used for transformer transformation ratio tester, including test box 1, one side of test box 1 is provided with wiring groove 3, wiring groove 3's inside is provided with terminal 4, terminal 4 is provided with the multiunit in test box 1's inside, test box 1's top is provided with upper cover plate 2, upper cover plate 2 fixes at test box 1's top through four first fixed screw threads 14 of group, upper cover plate 2's inside is provided with spout 22, spout 22 is provided with two sets ofly in upper cover plate 2's inside, slider 23 has all been run through in arbitrary a set of spout 22's inside, slider 23 sets up the both ends at installing frame 13, installing frame 13's inside is provided with louvre 15, louvre 15's bottom is provided with dustproof filter screen 21, installing frame 13's inside center is located louvre 15's top and is provided with second handle 20.

By pulling the second handle 20, the mounting frame 13 can be taken out from the chute 23 inside the upper cover plate 2 through the slide block 22, and the dustproof filter screen 21 in the mounting frame 13 can be cleaned or replaced.

In this embodiment, a display screen 5 is arranged inside one end of the testing box 1, and a key 6 is arranged on one side of the display screen 5.

Through setting up display screen 5, it measures numerical value to make things convenient for the observation more.

In this embodiment, the lower end of the key 6 is provided with an adjusting knob 7, one end of the test box 1, which is far away from the display screen 5, is internally provided with a power interface 8, and one side of the power interface 8 is provided with a power switch 9.

The power supply interface 8 is arranged, and the power supply is switched on for measurement.

In this embodiment, the bottom of the test box 1 is provided with two sets of mounting grooves 11, and the mounting grooves 11 are provided with two sets of fixing holes 12 in the bottom of the test box 1.

The fixture block 18 is fixedly installed by providing the installation groove 11.

In this embodiment, two sets of fixing holes 12 are disposed inside the same end of the testing box 1, which is located on the display screen 5, a fixture block 18 penetrates through the inside of any one set of mounting groove 11, the fixture block 18 is disposed at the bottom of the fixing plate 16, and the first handle 10 is disposed outside the fixing plate 16.

The first handle 10 is fixed by providing a fixing plate 16.

In this embodiment, through holes 17 are formed in the fixture block 18 and the fixing plate 16, the through holes 17 correspond to the fixing holes 12 one by one, second fixing threads 19 penetrate through the through holes 17 and the fixing holes 12, and any one set of the second fixing threads 19 respectively penetrate through one set of the through holes 17 and one set of the heat dissipation holes 15.

The fixing plate 16 and the latch 18 are fixed by providing the first fixing screw 19, respectively.

The working principle is as follows:

step 1: firstly, through arranging the through holes 17 in the fixing plate 16 and the fixture blocks 18, corresponding to the mounting grooves 11 and the fixing holes 12 on one side of the test box 1, and fastening the fixture blocks 18 and the fixing plate 16 respectively by the second fixing threads 19 to fix the first handle 10, the first handle 10 is convenient to disassemble, and the test box 1 is more convenient to carry.

Step 2: the inside of upper cover plate 2 is provided with spout 22, spout 22 is inside to run through there is slider 23, slider 23 sets up the both ends at installing frame 13, the inside of installing frame 13 is provided with louvre 15 and dustproof filter screen 21 respectively, dustproof filter screen 21 can block inside outside dust gets into test box 1, it is more stable when making test box 1 test, the life of extension test box 1, the inside center of installing frame 13 is provided with second handle 20, can take out installing frame 13 from upper cover plate 2 through pulling second handle 20, conveniently clear up the inside dustproof filter screen 21 of installing frame 13.

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

1. The utility model provides a be used for transformer transformation ratio tester, includes test box (1), its characterized in that: one side of the test box (1) is provided with a wiring groove (3), the inside of the wiring groove (3) is provided with a wiring terminal (4), the wiring terminal (4) is provided with a plurality of groups in the test box (1), the top of the test box (1) is provided with an upper cover plate (2), the upper cover plate (2) is fixed at the top of the test box (1) through four groups of first fixing threads (14), the inside of the upper cover plate (2) is provided with a sliding groove (22), the inside of the upper cover plate (2) is provided with two groups of sliding grooves (22), the inside of any one group of sliding groove (22) is provided with a sliding block (23) in a penetrating way, the sliding blocks (23) are arranged at two ends of the mounting frame (13), the inside of the mounting frame (13) is provided with a heat dissipation hole (15), the bottom of the heat dissipation hole (15) is provided with a dustproof filter screen (21), the inner center of the mounting frame (13) is positioned at the top of the heat dissipation hole (15) and is provided with a second handle (20).

2. The transformer transformation ratio tester of claim 1, wherein: the test box is characterized in that a display screen (5) is arranged inside one end of the test box (1), and a key (6) is arranged on one side of the display screen (5).

3. The transformer transformation ratio tester of claim 2, wherein: the lower extreme of button (6) is provided with adjust knob (7), test box (1) one end is kept away from inside being provided with power source (8) of one side of display screen (5), one side of power source (8) is provided with switch (9).

4. The transformer transformation ratio tester of claim 2, wherein: the bottom of test box (1) is provided with mounting groove (11), mounting groove (11) are in the bottom of test box (1) is provided with two sets ofly, arbitrary a set of the inside of mounting groove (11) all is provided with fixed orifices (12).

5. The transformer transformation ratio tester of claim 4, wherein: the fixing hole (12) is in test box (1) is located the same end inside of display screen (5) is provided with two sets of, arbitrary a set of fixture block (18) has all been run through to the inside of mounting groove (11), fixture block (18) set up the bottom at fixed plate (16), the outside of fixed plate (16) is provided with first handle (10).

6. The transformer transformation ratio tester of claim 5, wherein: the fixture block (18) and the fixing plate (16) are internally provided with through holes (17), the through holes (17) correspond to the fixing holes (12) one by one, second fixing threads (19) penetrate through the through holes (17) and the fixing holes (12), and any group of second fixing threads (19) penetrate through one group of through holes (17) and one group of heat dissipation holes (15) respectively.