CN211578501U

CN211578501U - Loss prevention protection mechanism for consumption reduction current transformer

Info

Publication number: CN211578501U
Application number: CN201921788747.2U
Authority: CN
Inventors: 章俊国; 涂文斌; 朱文群; 杨朝振
Original assignee: JIANGXI KANGWEI ELECTRICAL TECHNOLOGY CO LTD
Current assignee: JIANGXI KANGWEI ELECTRICAL TECHNOLOGY CO LTD
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-09-25
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a consumption reduction current transformer loss prevention protection machanism, including the mutual-inductor body, the bottom fixedly connected with base of mutual-inductor body, the surface cover of mutual-inductor body is equipped with the casing, the top fixedly connected with positioning mechanism of base, positioning mechanism's inboard runs through to the inside of casing, and hinge swing joint has the apron through the top on casing right side, and the left side of apron is seted up flutedly. The utility model discloses a set up mutual-inductor body, base, casing, positioning mechanism, sleeve, horizontal piece, locating piece, draw the piece, first spring, apron, fixture block and the cooperation of second spring to use, solved current transformer at the in-process that uses, can't protect current transformer, cause current transformer easily because of the problem that collision friction leads to current transformer to destroy, this consumption reduction current transformer loss prevention protection machanism possesses the advantage of protection, has improved current transformer's practicality.

Description

Loss prevention protection mechanism for consumption reduction current transformer

Technical Field

The utility model relates to a current transformer technical field specifically is a consumption reduction current transformer loss prevention protection machanism.

Background

The current transformer is an instrument for converting a large primary side current into a small secondary side current to measure according to the electromagnetic induction principle, and consists of a closed iron core and a winding, wherein the primary side winding has few turns and is connected in series in a circuit of the current to be measured, so that all the current of the circuit always flows through the current transformer, the secondary side winding has more turns and is connected in series in a measuring instrument and a protection loop, and a secondary side loop of the current transformer is always closed when the current transformer works, so that the impedance of the series coil of the measuring instrument and the protection loop is very small, the working state of the current transformer is close to short circuit, the current transformer converts the large primary side current into the small secondary side current to measure, and the secondary side.

In the process of circuit connection, a current transformer is needed, but the current transformer cannot be protected in the using process, so that the current transformer is easily damaged due to collision friction, and the practicability of the current transformer is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a consumption reduction current transformer loss prevention protection machanism possesses the advantage of protection, has solved current transformer and at the in-process that uses, can't protect current transformer, causes current transformer easily because of the collision friction leads to the problem that current transformer destroys.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a consumption reduction current transformer loss prevention protection machanism, includes the mutual-inductor body, the bottom fixedly connected with base of mutual-inductor body, the surface cover of mutual-inductor body is equipped with the casing, the top fixedly connected with positioning mechanism of base, positioning mechanism's inboard runs through to the inside of casing, hinge swing joint has the apron at the top on casing right side, the recess has been seted up in the left side of apron, and there is the fixture block inside of recess through pivot swing joint, the left side of fixture block extends to the left side of recess, the bottom on fixture block right side runs through to the inside of casing, the top fixedly connected with second spring on fixture block right side, the right side of second spring extends to the inside of recess and the inner wall fixed connection of recess.

Preferably, the positioning mechanism comprises a sleeve, the bottom of the sleeve is fixedly connected with the top of the base, the inner wall of the sleeve is connected with the shell in a sliding mode, the placing grooves are formed in two sides of the sleeve, the transverse block is arranged inside the placing grooves, the front face and the back face of the transverse block are connected with the inner wall of the placing grooves in a sliding mode, two positioning blocks are fixedly connected to the inner side of the transverse block, the inner sides of the positioning blocks penetrate through the shell, two first springs are fixedly connected to the outer side of the transverse block, the outer sides of the first springs are fixedly connected with the inner wall of the placing grooves, pull blocks are fixedly connected to the outer sides of the transverse block, the outer sides of the pull blocks penetrate through the outer side of the sleeve, and the pull blocks are located on the inner side of the first.

Preferably, the surface of the shell is provided with a positioning groove matched with the positioning block, the top of the sleeve is fixedly connected with a sealing ring, the bottom of the surface of the shell is fixedly connected with a stop block, and the top of the sealing ring is in contact with the bottom of the stop block.

Preferably, the front surface and the back surface of the shell are fixedly connected with two supporting blocks, the front surface and the back surface of the cover plate are fixedly connected with two supporting blocks, the inner sides of the supporting blocks penetrate through the cover plate, the supporting blocks are located at the top of the supporting blocks, the tops of the shell and the supporting blocks are fixedly connected with sealing gaskets, and the bottom of the cover plate is in contact with the tops of the sealing gaskets.

Preferably, the both sides at mutual-inductor body top all are provided with the briquetting, the top of briquetting is provided with two first bolts, and the bottom and mutual-inductor body fixed connection to the briquetting are run through to the screw thread end of first bolt, the exhaust hole has all been seted up to the both sides of casing, and four are no less than in the quantity in exhaust hole, and a plurality of exhaust holes are the equidistance and distribute.

Preferably, the front surface and the back surface of the inner wall of the sleeve are fixedly connected with limit blocks, limit grooves matched with the limit blocks are formed in the surface of the shell, and the limit blocks and the limit grooves are semicircular in shape.

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

1. the utility model discloses a set up mutual-inductor body, base, casing, positioning mechanism, sleeve, horizontal piece, locating piece, draw the piece, first spring, apron, fixture block and the cooperation of second spring to use, solved current transformer at the in-process that uses, can't protect current transformer, cause current transformer easily because of the problem that collision friction leads to current transformer to destroy, this consumption reduction current transformer loss prevention protection machanism possesses the advantage of protection, has improved current transformer's practicality.

2. The utility model discloses a cooperation of locating piece and constant head tank is used, can play the effect of location to the position of casing, cooperation through sealing washer and dog is used, can play sealed effect to the casing, setting through sealed the pad, can reduce the friction of casing and apron, the life of apron has been prolonged, spacing effect has been played to the position of apron simultaneously, setting through the supporting shoe, can play spacing and supported effect to the wire, setting through the exhaust hole, can make things convenient for the inside air of casing to pass through the outside of exhaust hole discharge casing, radiating effect has been played to the mutual-inductor body simultaneously, cooperation through stopper and spacing groove is used, can reduce casing and telescopic friction, the life of casing has been prolonged, spacing effect has been played to the casing simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top sectional view of the sleeve structure of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a structure shown in fig. 1 according to the present invention.

In the figure: the mutual inductor comprises a mutual inductor body 1, a base 2, a shell 3, a positioning mechanism 4, a sleeve 41, a transverse block 42, a positioning block 43, a pulling block 44, a first spring 45, a cover plate 5, a clamping block 6, a second spring 7, a sealing ring 8, a stop block 9, a supporting block 10, a supporting block 11, a sealing gasket 12, a pressing block 13 and a limiting block 14.

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, a loss prevention and protection mechanism for a consumption-reducing current transformer comprises a transformer body 1, a base 2 is fixedly connected to the bottom of the transformer body 1, a shell 3 is sleeved on the surface of the transformer body 1, a positioning mechanism 4 is fixedly connected to the top of the base 2, the positioning mechanism 4 comprises a sleeve 41, the bottom of the sleeve 41 is fixedly connected to the top of the base 2, the inner wall of the sleeve 41 is slidably connected to the surface of the shell 3, placing grooves are respectively formed on both sides of the sleeve 41, a cross block 42 is arranged inside the placing grooves, the front and back of the cross block 42 are slidably connected to the inner wall of the placing grooves, two positioning blocks 43 are fixedly connected to the inner side of the cross block 42, the inner side of each positioning block 43 penetrates through the inner side of the shell 3, two first springs 45 are fixedly connected to the outer side of the cross block 42, the outer sides of, the outer side of the transverse block 42 is fixedly connected with a pulling block 44, the outer side of the pulling block 44 penetrates to the outer side of the sleeve 41, the pulling block 44 is positioned on the inner side of a first spring 45, the inner side of the positioning mechanism 4 penetrates to the inner side of the shell 3, the top of the right side of the shell 3 is movably connected with a cover plate 5 through a hinge, the left side of the cover plate 5 is provided with a groove, the inner part of the groove is movably connected with a fixture block 6 through a rotating shaft, the left side of the fixture block 6 extends to the left side of the groove, the bottom of the right side of the fixture block 6 penetrates to the inner part of the shell 3, the top of the right side of the fixture block 6 is fixedly connected with a second spring 7, the right side of the second spring 7 extends to the inner part of the groove and is fixedly connected with the inner wall of the groove, the surface of the shell 3 is, the positioning block 43 is matched with the positioning groove, the positioning function can be realized for the position of the shell 3, the sealing function can be realized for the shell 3 by matching the sealing ring 8 with the stop block 9, the two supporting blocks 10 are fixedly connected to the front side and the back side of the shell 3, the two supporting blocks 11 are fixedly connected to the front side and the back side of the cover plate 5, the inner sides of the supporting blocks 11 penetrate into the cover plate 5, the supporting blocks 11 are positioned at the tops of the supporting blocks 10, the sealing gaskets 12 are fixedly connected to the tops of the shell 3 and the supporting blocks 10, the bottom of the cover plate 5 is contacted with the tops of the sealing gaskets 12, the friction between the shell 3 and the cover plate 5 can be reduced by arranging the sealing gaskets 12, the service life of the cover plate 5 is prolonged, the limiting function is realized for the position of the cover plate 5, the limiting and supporting functions are realized for the conducting wires by arranging the supporting blocks, the two sides of the top of the mutual inductor body 1 are both provided with a pressing block 13, the top of the pressing block 13 is provided with two first bolts, the thread ends of the first bolts penetrate through the bottom of the pressing block 13 to be fixedly connected with the mutual inductor body 1, the two sides of the shell 3 are both provided with exhaust holes, the number of the exhaust holes is not less than four, and a plurality of the exhaust holes are distributed at equal intervals, through the arrangement of the exhaust holes, the air in the shell 3 can be conveniently exhausted out of the shell 3 through the exhaust holes, meanwhile, the mutual inductor body 1 is cooled, the front surface and the back surface of the inner wall of the sleeve 41 are both fixedly connected with a limiting block 14, the surface of the shell 3 is provided with a limiting groove matched with the limiting block 14, the shapes of the limiting block 14 and the limiting groove are both semicircular, through the matching use of the limiting block 14 and the, meanwhile, the shell 3 is limited.

When the device is used, a user pulls the pull block 44 outwards, the pull block 44 moves outwards to drive the transverse block 42 and the positioning block 43 to move outwards, so that the positioning block 43 is separated from the positioning groove, the transverse block 42 moves outwards to compress the first spring 45, then the shell 3 and the cover plate 5 are pulled upwards, so that the shell 3 is separated from the sleeve 41, at the moment, the mutual inductor body 1 can be disassembled, when in protection, the user pushes the shell 3 and the cover plate 5 downwards, so that the shell 3 is clamped into the sleeve 41, the top of the sealing ring 8 is contacted with the bottom of the stop block 9, then the pull block 44 is released, the resilience force of the first spring 45 drives the transverse block 42, the positioning block 43 and the pull block 44 to reset, so that the positioning block 43 is clamped into the positioning groove, so that the position of the shell 3 is positioned, at the moment, the mutual inductor body 1 can be protected through the shell 3 and the, make fixture block 6 break away from the draw-in groove, fixture block 6 rotatory compression second spring 7, then upwards stimulate apron 5, make apron 5 rotatory around the hinge, make apron 5 break away from casing 3, can carry out the wire connection to mutual-inductor body 1 this moment.

In summary, the following steps: this consumption reduction current transformer loss prevention protection machanism uses through the cooperation that sets up mutual-inductor body 1, base 2, casing 3, positioning mechanism 4, sleeve 41, horizontal piece 42, locating piece 43, draws piece 44, first spring 45, apron 5, fixture block 6 and second spring 7, has solved current mutual-inductor at the in-process that uses, can't protect current mutual-inductor, causes current mutual-inductor because of the problem that collision friction leads to current mutual-inductor to destroy easily.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a consumption reduction current transformer loss prevention protection machanism, includes mutual-inductor body (1), its characterized in that: the bottom fixedly connected with base (2) of mutual-inductor body (1), the surface cover of mutual-inductor body (1) is equipped with casing (3), the top fixedly connected with positioning mechanism (4) of base (2), the inboard of positioning mechanism (4) runs through to the inside of casing (3), there is apron (5) at the top on casing (3) right side through hinge swing joint, the left side of apron (5) is seted up flutedly, and there is fixture block (6) recess inside through pivot swing joint, the left side of fixture block (6) extends to the left side of recess, the bottom on fixture block (6) right side runs through to the inside of casing (3), the top fixedly connected with second spring (7) on fixture block (6) right side, the right side of second spring (7) extends to the inside of recess and the inner wall fixed connection of recess.

2. The loss prevention and protection mechanism of the consumption reduction current transformer as claimed in claim 1, wherein: the positioning mechanism (4) comprises a sleeve (41), the bottom of the sleeve (41) is fixedly connected with the top of the base (2), the inner wall of the sleeve (41) is connected with the surface of the shell (3) in a sliding manner, placing grooves are formed in two sides of the sleeve (41), a transverse block (42) is arranged inside each placing groove, the front and the back of each transverse block (42) are connected with the inner wall of each placing groove in a sliding manner, two positioning blocks (43) are fixedly connected to the inner side of each transverse block (42), the inner sides of the positioning blocks (43) penetrate into the shell (3), two first springs (45) are fixedly connected to the outer side of each transverse block (42), the outer sides of the first springs (45) are fixedly connected with the inner wall of each placing groove, pull blocks (44) are fixedly connected to the outer sides of the transverse blocks (42), and the outer sides of the pull blocks (44) penetrate into the outer sides of the sleeve (41), the pull block (44) is located inside the first spring (45).

3. The loss prevention and protection mechanism of the consumption reduction current transformer according to claim 2, wherein: the locating groove that uses with locating piece (43) cooperation is seted up on the surface of casing (3), the top fixedly connected with sealing washer (8) of sleeve (41), the bottom fixedly connected with dog (9) on casing (3) surface, the top of sealing washer (8) and the bottom contact of dog (9).

4. The loss prevention and protection mechanism of the consumption reduction current transformer as claimed in claim 1, wherein: the improved structure of the cover plate is characterized in that two supporting blocks (10) are fixedly connected to the front side and the back side of the shell (3), two supporting blocks (11) are fixedly connected to the front side and the back side of the cover plate (5), the inner sides of the supporting blocks (11) penetrate through the cover plate (5), the supporting blocks (11) are located at the tops of the supporting blocks (10), sealing gaskets (12) are fixedly connected to the tops of the shell (3) and the supporting blocks (10), and the bottom of the cover plate (5) is in contact with the tops of the sealing gaskets (12).

5. The loss prevention and protection mechanism of the consumption reduction current transformer as claimed in claim 1, wherein: the both sides at mutual-inductor body (1) top all are provided with briquetting (13), the top of briquetting (13) is provided with two first bolts, and the screw thread end of first bolt runs through bottom and mutual-inductor body (1) fixed connection to briquetting (13), the exhaust hole has all been seted up to the both sides of casing (3), and four are no less than to the quantity in exhaust hole, and a plurality of exhaust holes are the equidistance and distribute.

6. The loss prevention and protection mechanism of the consumption reduction current transformer according to claim 2, wherein: the front and the back of the inner wall of the sleeve (41) are fixedly connected with limit blocks (14), limit grooves matched with the limit blocks (14) are formed in the surface of the shell (3), and the limit blocks (14) and the limit grooves are semicircular in shape.