CN210243762U

CN210243762U - Transformer tripping logic tester

Info

Publication number: CN210243762U
Application number: CN201921105891.1U
Authority: CN
Inventors: Wengang Huang; 黄文刚
Original assignee: Guangdong Zhenghe Electric Design Co ltd
Current assignee: Guangdong Zhenghe Electric Design Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-03
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to the technical field of electrical test equipment, and discloses a transformer tripping logic tester, which comprises a protection box body, wherein the upper part of the protection box body is covered with a box cover, a tester main body is arranged in the protection box body through a buffer mechanism, and a sealing device is arranged between the protection box body and the box cover; buffer gear includes the buffer board, the spout, first spring, slider and connecting rod, buffer board and protection box inner wall sliding connection, two spout symmetries are seted up in the both sides of protection box bottom, first spring fixed connection is kept away from on the vertical cell wall in protection box center department one side at the spout, slider fixed connection is at the other end of first spring, and with spout sliding connection, the connecting rod articulates the one end of keeping away from the spout tank bottom at the slider, the upper end of connecting rod articulates on the corresponding position in the buffer board bottom, the tester main part is installed in the buffer board upper end. The utility model discloses can play fine guard action to the tester main part.

Description

Transformer tripping logic tester

Technical Field

The utility model relates to an electrical test equipment technical field especially relates to transformer tripping operation logic tester.

Background

The transformer is one of the most important devices of the power system, and various types of protection are configured to ensure the safety of the transformer. When a fault occurs, the protection device of the transformer trips off corresponding circuit breakers according to different fault types and a certain sequence to isolate the fault, and the tripping sequence is the tripping logic of the transformer. Correct trip logic is an important guarantee for safe and stable operation of the power system.

The test substrate of the traditional tester is not strong in adaptability to the test environment in the prior test, needs to perform better protection and sealing treatment on a test case, and prevents equipment damage caused by vibration or electrostatic adsorption dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the tester is not strong to test environment's adaptability, need carry out better guard action and sealed processing to the tester case, prevent to shake or electrostatic absorption dust causes the problem of equipment damage, and the transformer tripping operation logic tester that provides.

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

the transformer trip logic tester comprises a protection box body, wherein a box cover is singly covered on the upper part of the protection box body, a tester main body is arranged in the protection box body through a buffer mechanism, and a sealing device is arranged between the protection box body and the box cover;

buffer gear includes buffer board, spout, first spring, slider and connecting rod, buffer board and protection box inner wall sliding connection, two the both sides of bottom in the protection box are seted up to the spout symmetry, protection box center department one side vertical cell wall is kept away from to first spring fixed connection on the spout, slider fixed connection just with spout sliding connection at the other end of first spring, the connecting rod articulates the one end of keeping away from the spout tank bottom at the slider, the upper end of connecting rod articulates on the corresponding position in the buffer board bottom, the tester main part is installed in the buffer board upper end.

Preferably, sealing device includes annular seal groove, second spring and annular seal piece, the upper end at the protection box is seted up to the annular seal groove, a plurality of the second spring is fixed connection at the tank bottom of annular seal groove with annular array ground, annular seal piece and annular seal groove sliding connection, the upper end fixed connection of second spring is on the lower extreme of annular seal piece corresponds the position, the notch of annular seal groove is passed and upwards extends to the upper end of annular seal piece, and offsets with the lower extreme of case lid.

Preferably, a stabilizer bar is fixedly connected to the inside of the sliding groove along the horizontal direction, and the stabilizer bar sequentially penetrates through the sliding block and the first spring and is in sliding connection with the sliding groove.

Preferably, the cell wall of annular seal groove is provided with a plurality of symmetrical spacing groove that sets up, sliding connection has the stopper in the spacing groove, the one end that the spacing groove tank bottom was kept away from to the stopper passes the notch of spacing groove and fixed connection on the corresponding lateral wall of annular seal piece.

Preferably, a slide bar groove is formed in the position, corresponding to the second spring, of the annular sealing block, a slide bar is connected in the slide bar groove in a sliding mode, and the lower end of the slide bar is fixedly connected to the corresponding position of the bottom of the annular sealing groove.

Preferably, the upper end of the box cover is fixedly connected with a pulling handle.

Compared with the prior art, the utility model provides a transformer tripping operation logic tester possesses following beneficial effect:

1. this transformer tripping logic tester, through setting up the protection box, the case lid, buffer gear, the buffer board, the spout, first spring, the slider, the connecting rod, tester main part and sealing device, when meetting vibrations, the tester main part moves down under the effect of vibrations power, the tester main part passes through buffer board and connecting rod, promote the slider and remove in the spout, the slider has compressed first spring, at the in-process of first spring compressed, the vibrations power has been absorbed, fine guard action has been played to the tester main part.

2. This transformer tripping logic tester, through setting up sealing device, annular seal groove, second spring and annular seal piece, the second spring is in the state of compression, and the pretightning force is applyed to the annular seal to the second spring for the upper end of annular seal piece supports on the case lid steadily, makes to have a fine sealed effect between protection box and the case lid, prevents that the dust from getting into in the protection box, has played fine guard action to the tester main part.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can play fine guard action to tester main part 4.

Drawings

Fig. 1 is a schematic structural view of a transformer trip logic tester provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the tester comprises a protection box body 1, a box cover 2, a buffer mechanism 3, a buffer plate 31, a sliding chute 32, a first spring 33, a sliding block 34, a connecting rod 35, a tester main body 4, a sealing device 5, an annular sealing groove 51, a second spring 52, an annular sealing block 53, a stabilizing rod 6, a limiting groove 7, a limiting block 8, a sliding rod groove 9, a sliding rod 10 and a pulling handle 11.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the transformer trip logic tester comprises a protection box body 1, a box cover 2 is singly covered on the protection box body 1, a tester main body 4 is installed in the protection box body 1 through a buffer mechanism 3, and a sealing device 5 is installed between the protection box body 1 and the box cover 2;

the buffer mechanism 3 comprises a buffer plate 31, sliding chutes 32, first springs 33, sliding blocks 34 and connecting rods 35, the buffer plate 31 is in sliding connection with the inner wall of the protection box 1, the two sliding chutes 32 are symmetrically arranged at two sides of the bottom in the protection box 1, the first springs 33 are fixedly connected on the vertical groove wall at one side of the sliding chutes 32 far away from the center of the protection box 1, the sliding blocks 34 are fixedly connected at the other ends of the first springs 33 and are in sliding connection with the sliding chutes 32, the connecting rods 35 are hinged at one ends of the sliding blocks 34 far away from the bottom of the sliding chutes 32, the upper ends of the connecting rods 35 are hinged at the corresponding positions at the bottom of the buffer plate 31, the tester main body 4 is arranged at the upper end of the buffer plate 31, when encountering vibration, the tester main body 4 moves downwards under the action of vibration force, the tester main body 4 passes through the buffer plate 31, during the compression of the first spring 33, the shock force is absorbed, and the tester main body 4 is well protected.

The sealing device 5 comprises an annular sealing groove 51, a plurality of second springs 52 and an annular sealing block 53, wherein the annular sealing groove 51 is arranged at the upper end of the protective box body 1, the plurality of second springs 52 are fixedly connected to the bottom of the annular sealing groove 51 in an annular array, the annular sealing block 53 is in sliding connection with the annular sealing groove 51, the upper ends of the second springs 52 are fixedly connected to the corresponding positions of the lower ends of the annular sealing block 53, the upper end of the annular sealing block 53 penetrates through the notch of the annular sealing groove 51 and extends upwards, and is abutted against the lower end of the box cover 2, the second spring 52 is in a compressed state, the second spring 52 applies a pretightening force to the annular seal 53, make the upper end of the annular seal piece 53 support on case lid 2 steadily for there is a fine sealed effect between protection box 1 and case lid 2, prevent that the dust from getting into protection box 1 in, played fine guard action to tester main part 4.

The stabilizer bar 6 is fixedly connected to the inside of the sliding groove 32 along the horizontal direction, and the stabilizer bar 6 sequentially passes through the sliding block 34 and the first spring 33 and is slidably connected with the sliding groove 32, so that the sliding block 34 moves more stably and reliably in the sliding groove 32.

Offer the spacing groove 7 that a plurality of symmetry set up on the cell wall of annular seal groove 51, sliding connection has stopper 8 in the spacing groove 7, and stopper 8 keeps away from the one end of 7 tank bottoms of spacing groove and passes the notch and the fixed connection of spacing groove 7 on the corresponding lateral wall of annular seal piece 53, has played spacing effect to annular seal piece 53, prevents that annular seal piece 53 from breaking away from in annular seal groove 51.

The annular sealing block 53 is provided with a slide bar groove 9 corresponding to the second spring 52, a slide bar 10 is slidably connected in the slide bar groove 9, and the lower end of the slide bar 10 is fixedly connected to the corresponding position at the bottom of the annular sealing groove 51, so that the annular sealing block 53 is more stable in movement in the annular sealing groove 51.

The upper end fixedly connected with pulling handle 11 of case lid 2 is convenient for pull whole device.

The utility model discloses in, when meetting vibrations, tester main part 4 moves down under the effect of vibrations, tester main part 4 passes through buffer board 31 and connecting rod 35, promote slider 34 and remove in spout 32, slider 34 has compressed first spring 33, at the in-process of first spring 33 compressed, the vibrations power has been absorbed, fine guard action has been played to tester main part 4, second spring 52 is in the state of compression, a pretightning force is applyed to annular seal 53 to second spring 52, make annular seal 53's upper end support on case lid 2 steadily, make and have a fine sealed effect between protection box 1 and the case lid 2, prevent that the dust from getting into protection box 1, fine guard action has been played to tester main part 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The transformer tripping logic tester comprises a protection box body (1) and is characterized in that a box cover (2) is singly covered on the protection box body (1), a tester main body (4) is installed in the protection box body (1) through a buffer mechanism (3), and a sealing device (5) is installed between the protection box body (1) and the box cover (2);

buffer gear (3) include buffer board (31), spout (32), first spring (33), slider (34) and connecting rod (35), buffer board (31) and protection box (1) inner wall sliding connection, two the both sides of bottom in protection box (1) are seted up to spout (32) symmetry, first spring (33) fixed connection is on spout (32) keep away from the vertical cell wall of protection box (1) center department one side, slider (34) fixed connection is at the other end of first spring (33), and with spout (32) sliding connection, connecting rod (35) articulate the one end of keeping away from spout (32) tank bottom in slider (34), the upper end of connecting rod (35) articulates on buffer board (31) bottom corresponds the position, install in buffer board (31) upper end tester main part (4).

2. The transformer trip logic tester of claim 1, wherein the sealing device (5) comprises an annular sealing groove (51), second springs (52) and an annular sealing block (53), the annular sealing groove (51) is formed in the upper end of the protection box body (1), a plurality of second springs (52) are fixedly connected to the bottom of the annular sealing groove (51) in an annular array, the annular sealing block (53) is slidably connected with the annular sealing groove (51), the upper ends of the second springs (52) are fixedly connected to the corresponding positions of the lower ends of the annular sealing block (53), and the upper end of the annular sealing block (53) penetrates through the notch of the annular sealing groove (51) and extends upwards and abuts against the lower end of the box cover (2).

3. The transformer trip logic tester according to claim 1, wherein a stabilizer bar (6) is fixedly connected to the inside of the chute (32) along a horizontal direction, and the stabilizer bar (6) sequentially passes through the slider (34) and the first spring (33) and is slidably connected to the chute (32).

4. The transformer trip logic tester according to claim 2, wherein a plurality of symmetrically arranged limiting grooves (7) are formed in the groove wall of the annular sealing groove (51), a limiting block (8) is slidably connected in the limiting groove (7), and one end of the limiting block (8) far away from the groove bottom of the limiting groove (7) penetrates through the notch of the limiting groove (7) and is fixedly connected to the corresponding side wall of the annular sealing block (53).

5. The transformer trip logic tester according to claim 2, wherein a slide bar groove (9) is formed in a position of the annular sealing block (53) corresponding to the second spring (52), a slide bar (10) is slidably connected in the slide bar groove (9), and a lower end of the slide bar (10) is fixedly connected to a corresponding position of a bottom of the annular sealing groove (51).

6. The transformer trip logic tester according to claim 1, characterized in that a pull handle (11) is fixedly connected to the upper end of the case lid (2).