CN212568857U

CN212568857U - Transformer efficiency detects uses short circuit device

Info

Publication number: CN212568857U
Application number: CN202020600759.4U
Authority: CN
Inventors: 赵祥光; 李春霞
Original assignee: Shandong Institute for Product Quality Inspection
Current assignee: Shandong Institute for Product Quality Inspection
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-19
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a transformer efficiency detects uses short circuit device, including be used for with the terminal connection first wiring section of thick bamboo and the second wiring section of thick bamboo of transformer, through regulation formula telescopic cylinder fixed connection between first wiring section of thick bamboo and the second wiring section of thick bamboo, the inside two sets of metal conductive telescopic links that are provided with of regulation formula telescopic cylinder, two sets of metal conductive telescopic link one end reciprocal anchorage welding, first wiring section of thick bamboo and second wiring section of thick bamboo inside all are provided with connects electric mechanism, two sets of metal conductive telescopic link other ends respectively with the connection electric mechanism fixed connection that connects that corresponds the position. The utility model discloses simple structure can make first wiring section of thick bamboo and second wiring section of thick bamboo and transformer terminal high-speed joint through connecing electric mechanism, can accomplish the short circuit of transformer terminal through two sets of telescopic links, and the telescopic link has length adjustment function simultaneously, conveniently adapts to the connection of not unidimensional transformer terminal, adjusts the flexible section of thick bamboo of formula, and it has flexible and fixed function, and can avoid the staff to take place the condition of electric shock.

Description

Transformer efficiency detects uses short circuit device

Technical Field

The utility model relates to a transformer detects technical field, and more specifically says, in particular to transformer efficiency detects uses short circuit device.

Background

The transformer short-circuit test can find that the additional loss and local heat release caused by leakage flux in each structural part (such as a shielding part, a pressure ring, a capacitance ring and a yoke beam plate) or an oil tank wall of the transformer, the accessory loss and local overheating of an oil tank cover or a sleeve flange and the like, the turn-to-turn short circuit of a reactance winding with load pressure regulation, and the short circuit or transposition error among parallel wires in a low-voltage winding of a large power transformer. Both of these errors may cause the parasitic losses to increase significantly. And above-mentioned problem can be found in the short-circuit impedance test, and the shorting stub of current short-circuit impedance test adopts ordinary wiring lug connection, and the result of use is poor, needs to change the wiring according to the transformer of different models, and the operation is complicated, and work efficiency is low, and the short circuit in-process also takes place the condition of electrocuteeing easily, and the security is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a security is high, and can adjust the transformer efficiency of length and detect with short circuit device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a transformer efficiency detects uses short circuit device, including be used for with the first wiring section of thick bamboo of terminal connection and the second wiring section of thick bamboo of transformer, through regulation formula telescopic cylinder fixed connection between first wiring section of thick bamboo and the second wiring section of thick bamboo, the inside two sets of metal conductive telescopic links that are provided with of regulation formula telescopic cylinder, the mutual fixed welding of two sets of metal conductive telescopic link one end, first wiring section of thick bamboo and the inside electric mechanism that connects that all is provided with of second wiring section of thick bamboo, the two sets of metal conductive telescopic link other ends respectively with the electric mechanism fixed connection that connects that corresponds the position, first wiring section of thick bamboo and second wiring section of thick bamboo lower surface are the fixed protrusion that sets up a body.

Preferably, regulation formula telescopic cylinder includes slide cartridge and two sets of sleeves, and two sets of sleeve one end difference fixed mounting are at first wiring section of thick bamboo and second wiring section of thick bamboo side surface, the slide cartridge slides and sets up between two sets of sleeves, and is two sets of the spout mouth has all been seted up to the surface about the sleeve, equal fixed mounting in surface has the double-screw bolt about the slide cartridge both ends, and the double-screw bolt is all movable to be inserted and is located the spout mouth that corresponds the position, and the double-screw bolt upper end is connected with the screw cap through the screw-thread fit.

Preferably, the two groups of power connection mechanisms respectively comprise a first conductive ring plate, a conductive bottom plate, a second conductive ring plate and a plurality of groups of conductive elastic sheets which are fixedly connected with one another, the first conductive ring plates are respectively and fixedly installed inside the two groups of protruding joints, the first conductive ring plates are respectively and fixedly installed inside the first wiring barrel and the second wiring barrel, the conductive bottom plates are respectively and fixedly installed on the bottom surfaces inside the first wiring barrel and the second wiring barrel, the plurality of groups of conductive elastic sheets are uniformly and fixedly installed on the inner wall of the second conductive ring plate, one ends of the two groups of metal conductive telescopic rods are respectively and fixedly welded with the second conductive ring plate at corresponding positions, threaded holes penetrating through the first conductive ring plates are formed in the outer surfaces of the protruding joints, and knob bolts are matched and connected in the threaded holes.

Preferably, the first wire connecting cylinder, the second wire connecting cylinder, the sleeve and the sliding cylinder are all of insulating material structures.

Preferably, the threaded hole depth of the threaded cap is greater than the length of the stud.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses simple structure can make first a wiring section of thick bamboo and second a wiring section of thick bamboo and transformer terminal high-speed joint through connecing electrical mechanism, can accomplish the short circuit of transformer terminal through two sets of telescopic links, and the telescopic link has length adjustment function simultaneously, conveniently adapts to the connection of not unidimensional transformer terminal, through setting up the flexible section of thick bamboo of regulation formula in the telescopic link outside, it has flexible and fixed function, and can avoid the staff to take place the condition of electric shock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of the short-circuit device for detecting the energy efficiency of the transformer of the present invention;

fig. 2 is the utility model relates to a transformer efficiency detects with short circuit device's structure chart.

In the figure: the device comprises a first wiring barrel 1, a second wiring barrel 2, a sleeve 3, a sliding barrel 4, a metal conductive telescopic rod 5, a sliding groove 6, a stud 7, a threaded cover 8, a protruding joint 9, a first conductive ring plate 10, a knob bolt 11, a conductive bottom plate 12, a second conductive ring plate 13 and a conductive elastic sheet 14.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1 and fig. 2, the utility model provides a transformer efficiency detects uses short circuit device, including be used for with the terminal connection first bobbin of transformer 1 and second bobbin 2, through regulation formula telescopic cylinder fixed connection between first bobbin 1 and the second bobbin 2, regulation formula telescopic cylinder plays protection and the effect of stabilizing the regulation distance, regulation formula telescopic cylinder inside is provided with two sets of metal conductive

telescopic links

5, 5 one end reciprocal anchorage welding of two sets of metal conductive telescopic links, first bobbin 1 and the inside electric mechanism that connects that all is provided with of

second bobbin

2, 5 other ends of two sets of metal conductive telescopic links respectively with the electric mechanism fixed connection that connects that corresponds the position, first bobbin 1 and the equal fixed protrusion that sets up a body structure of second bobbin 2 lower surface connect 9.

In this embodiment, regulation formula telescopic cylinder includes slide cartridge 4 and two sets of sleeves 3, 3 one ends of two sets of sleeves are fixed mounting respectively in first wiring section of thick bamboo 1 and 2 side surfaces of second wiring section of thick bamboo, slide cartridge 4 slides and sets up between two sets of sleeves 3, spout mouth 6 has all been seted up on the surface about two sets of sleeves 3, the equal fixed mounting in surface has double-screw bolt 7 about slide cartridge 4 both ends, double-screw bolt 7 all activity is inserted and is located the spout mouth 6 of corresponding position, double-screw bolt 7 upper end is connected with threaded cap 8 through the screw-thread fit.

In this embodiment, the two groups of power connection mechanisms each include a first conductive ring plate 10, a conductive bottom plate 12, a second conductive ring plate 13, and a plurality of groups of conductive elastic pieces 14, the two groups of first conductive ring plates 10 are respectively and fixedly installed inside the two groups of protruding joints 9, the two groups of first conductive ring plates 10 are respectively and fixedly installed inside the first wire barrel 1 and the second wire barrel 2, the two groups of conductive bottom plates 12 are respectively and fixedly installed on the bottom surfaces inside the first wire barrel 1 and the second wire barrel 2, the plurality of groups of conductive elastic pieces 14 are uniformly and fixedly installed on the inner wall of the second conductive ring plate 13, one end of each of the two groups of metal conductive telescopic rods 5 is respectively and fixedly welded with the second conductive ring plate 13 at the corresponding position, the outer surface of the protruding joint 9 is provided with a threaded hole penetrating through the first conductive ring plate 10, and the threaded hole is matched.

In this embodiment, the first wire connecting cylinder 1, the second wire connecting cylinder 2, the sleeve 3 and the sliding cylinder 4 are all insulation material structures, so as to play a role in protection and avoid current contact of workers.

In this embodiment, the screw hole depth of the screw cap 8 is greater than the length of the stud 7, and when the screw cap 8 is screwed down, the screw cap can be tightly attached to the surface of the sleeve 3, so that the sleeve 3 and the slide cylinder 4 are stabilized, and the stability of the first wire connecting cylinder 1 and the second wire connecting cylinder 2 is ensured.

The working principle is as follows: screw up and send screw cap 8, can adjust the distance between first wiring section of thick bamboo 1 and the second wiring section of thick bamboo 2 this moment, in good time apart from the separation and reunion, screw up screw cap 8, first wiring section of thick bamboo 1 can stably keep at suitable distance with second wiring section of thick bamboo 2 this moment, insert first wiring section of thick bamboo 1 and second wiring section of thick bamboo 2 respectively on the terminal of establishing the transformer this moment, can be with the terminal block through electrically conductive shell fragment 14, insert the power transmission line and establish in protrusion connects 9, can stabilize the power transmission line with first electrically conductive circle board 10 laminating through screwing up knob bolt 11, thereby accomplish the purpose of two sets of power post circular telegram short circuits.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. The utility model provides a short circuit device is used in transformer efficiency detection, is including being used for the first wiring section of thick bamboo of terminal connection and second wiring section of thick bamboo with the transformer, its characterized in that: through regulation formula telescopic tube fixed connection between first wire barrel and the second wire barrel, the inside two sets of metal conductive telescopic links that are provided with of regulation formula telescopic tube, the mutual fixed welding of two sets of metal conductive telescopic link one end, first wire barrel and second wire barrel are inside all to be provided with and to connect the electric mechanism, and the two sets of metal conductive telescopic link other ends connect electric mechanism fixed connection with what correspond the position respectively, first wire barrel and second wire barrel lower surface all fix the protrusion that sets up a body structure and connect.

2. The short-circuit device for detecting the energy efficiency of the transformer according to claim 1, characterized in that: the adjustable telescopic cylinder comprises a sliding cylinder and two sets of sleeves, one ends of the two sets of sleeves are respectively and fixedly installed on the side surfaces of a first connecting cylinder and a second connecting cylinder, the sliding cylinder is arranged between the two sets of sleeves in a sliding mode, sliding groove openings are formed in the upper surface and the lower surface of each sleeve, double-screw bolts are fixedly installed on the upper surface and the lower surface of each sliding cylinder, the double-screw bolts are movably inserted into the sliding groove openings in corresponding positions, and threaded covers are connected to the upper ends of the double-screw bolts through external thread matching.

3. The short-circuit device for detecting the energy efficiency of the transformer according to claim 1, characterized in that: the power connection mechanism comprises a first conductive ring plate, a conductive bottom plate, a second conductive ring plate and a plurality of groups of conductive elastic sheets, wherein the first conductive ring plate, the conductive bottom plate, the second conductive ring plate and the plurality of groups of conductive elastic sheets are fixedly connected with one another, the first conductive ring plate is fixedly installed inside the two groups of protruding connectors respectively, the first conductive ring plate is fixedly installed inside the first wiring barrel and the second wiring barrel respectively, the conductive bottom plates are fixedly installed on the bottom surfaces inside the first wiring barrel and the second wiring barrel respectively, the plurality of groups of conductive elastic sheets are uniformly and fixedly installed on the inner wall of the second conductive ring plate, one end of each metal conductive telescopic rod is fixedly welded with the second conductive ring plate corresponding to the corresponding position respectively, a threaded hole penetrating through the first conductive ring plate is formed in the outer surface of the protruding connectors.

4. The short-circuit device for detecting the energy efficiency of the transformer according to claim 1, characterized in that: the first wiring cylinder, the second wiring cylinder, the sleeve and the sliding cylinder are all of insulating material structures.

5. The short-circuit device for detecting the energy efficiency of the transformer according to claim 2, characterized in that: the depth of the threaded hole of the threaded cover is larger than the length of the stud.