CN210865885U

CN210865885U - Feed-through current transformer

Info

Publication number: CN210865885U
Application number: CN201921852657.5U
Authority: CN
Inventors: 黄德欢; 吴小恒
Original assignee: Foshan Shunde Faraday Electric Appliance Manufacturing Co Ltd
Current assignee: Foshan Shunde Faraday Electric Appliance Manufacturing Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a punching current transformer, including base, through-hole and bolt, the through-hole has been seted up to the inside of base, the inside bolted connection in top of base has the bolt, the body is installed on the top of base, supporting member is installed to the inner wall of body, the protection component is installed to the outer wall of body. This straight-through current transformer, through the damping piece, a spring, a pressing plate, the pull ring, the cooperation of fixture block and intubate, reached and to have carried out the support work to first shell, through first round pin axle, the second shell, the second round pin axle, the apron, the cooperation of inserted block and filter screen, reached and to have carried out protection work to the body, can carry out dustproof heat dissipation work to the body simultaneously, through the buckle, the threaded rod, the cooperation of deciding piece and nut, reached and to fix the top at the body fast with the second shell, simultaneously can cancel fast fixedly, reached and to dispel the heat fast, can increase the life of inductor simultaneously.

Description

Feed-through current transformer

Technical Field

The utility model relates to a punching current transformer technical field specifically is a punching current transformer.

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 a circuit of the current to be measured in series, 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 circuit, and a secondary side circuit 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 circuit 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, the secondary side cannot be opened, the vocabulary introduces the working principle, parameter description, classification, use introduction and the like of the existing punching type current transformer, and the protection work, meanwhile, efficient dustproof and heat dissipation work cannot be achieved, so that the service life of the inductor is short, and meanwhile, supporting work cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straight-through current transformer to solve the current straight-through current transformer that proposes in the above-mentioned background art and can't accomplish the protection work when using, can't accomplish the dustproof radiating work of high efficiency simultaneously, lead to the life of inductor shorter, can't accomplish the problem of the work of support simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a feed-through current transformer, includes base, through-hole and bolt, the through-hole has been seted up to the inside of base, the inside bolted connection in top of base has the bolt, the body is installed on the top of base, the supporting member is installed to the inner wall of body, the protection component is installed to the outer wall of body, fixed component is installed on the top of protection component.

Preferably, the body comprises a first shell, a lead and ring-shaped iron, the ring-shaped iron is arranged inside the first shell, the lead is wound on the outer wall of the ring-shaped iron, and the first shell is in threaded connection with the base through a bolt.

Preferably, the supporting component includes damping piece, spring, clamp plate, pull ring, fixture block and intubate, the equal rigid coupling in inner wall left and right sides of intubate has the spring, the outside rigid coupling of spring has the clamp plate, the equal rigid coupling in upper and lower both ends of clamp plate has the pull ring, the outside rigid coupling of clamp plate has the fixture block, the equal rigid coupling in the center play of the inner wall left and right sides of intubate has the damping piece, the intubate is pegged graft with first shell and is linked to each other.

Preferably, the spring, the pressing plate, the pull ring and the clamping blocks are symmetrically arranged.

Preferably, the protection component includes first round pin axle, second shell, second round pin axle, apron, inserted block and filter screen, the outer wall left and right sides of second shell all rotates through second round pin axle and is connected with the apron, the inboard rigid coupling in bottom of apron has the inserted block, the inner wall rigid coupling of apron has the filter screen, the second shell rotates through first round pin axle and first shell and links to each other.

Preferably, the fixed component includes buckle, threaded rod, decides piece and nut, the threaded rod is pegged graft to the inside of buckle, the right side rigid coupling of threaded rod has the piece of deciding, the outer wall left side threaded connection of piece of deciding has the nut, the buckle passes through the threaded rod and links to each other with the second shell is pegged graft.

Compared with the prior art, the beneficial effects of the utility model are that: this straight-through current transformer, through the damping piece, a spring, a pressing plate, the pull ring, the cooperation of fixture block and intubate, reached and to have carried out the support work to first shell, through first round pin axle, the second shell, the second round pin axle, the apron, the cooperation of inserted block and filter screen, reached and to have carried out protection work to the body, can carry out dustproof heat dissipation work to the body simultaneously, through the buckle, the threaded rod, the cooperation of deciding piece and nut, reached and to fix the top at the body fast with the second shell, simultaneously can cancel fast fixedly, reached and to dispel the heat fast, can increase the life of inductor simultaneously.

Drawings

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

FIG. 2 is an enlarged connecting structure of the fixing member of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the pressing plate, the pull ring and the latch of FIG. 1;

fig. 4 is a schematic view of a connection structure of the first housing, the second housing and the insert block in fig. 1.

In the figure: 1. the device comprises a base, 2, a through hole, 3, a bolt, 4, a body, 401, a first shell, 402, a lead, 403, ring-shaped iron, 5, a supporting component, 501, a damping block, 502, a spring, 503, a pressing plate, 504, a pull ring, 505, a fixture block, 506, an insertion pipe, 6, a protecting component, 601, a first pin shaft, 602, a second shell, 603, a second pin shaft, 604, a cover plate, 605, an insertion block, 606, a filter screen, 7, a fixing component, 701, a buckle plate, 702, a threaded rod, 703, a fixed block, 704 and a nut.

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. 1-4, the present invention provides a technical solution: the utility model provides a straight-through current transformer, which comprises a base 1, through-hole 2 and bolt 3, through-hole 2 has been seted up to base 1's inside, the inside bolted connection in top of base 1 has bolt 3, base 1 installs through bolt 3 and first shell 401 and dismantles, body 4 is installed on base 1's top, supporting member 5 is installed to body 4's inner wall, protective member 6 is installed to body 4's outer wall, fixed component 7 is installed on protective member 6's top, body 4 includes first shell 401, wire 402 and circle form iron 403, the inside of first shell 401 is equipped with circle form iron 403, wire 402 and circle form iron 403 are prior art, the outer wall winding of circle form iron 403 has wire 402, first shell 401 links to each other with base 1 screw through bolt 3.

The supporting member 5 comprises a damping block 501, a spring 502, a pressing plate 503, a pull ring 504, a fixture block 505 and a cannula 506, the spring 502 is fixedly connected to the left side and the right side of the inner wall of the cannula 506, and the elastic coefficient of the spring 502 is as follows: 10N/CM-100N/CM, the outside rigid coupling of spring 502 has clamp plate 503, clamp plate 503 can carry out extrusion work to spring 502, the upper and lower both ends of clamp plate 503 all have rigid coupling pull ring 504, pulling pull ring 504 can drive clamp plate 503 and extrude spring 502, the outside rigid coupling of clamp plate 503 has fixture block 505, it can fix intubate 506 in first shell 401 to block open 505, it has damping piece 501 all to go out the rigid coupling in the center of the inner wall left and right sides of intubate 506, the material of damping piece 501 is the rubber material, intubate 506 links to each other with first shell 401 in the grafting, intubate 506 can be inserted from the inside of first shell 401 and extract, spring 502, clamp plate 503, pull ring and fixture block 505 are the symmetry setting.

Protection component 6 includes first round pin axle 601, second shell 602, second round pin axle 603, apron 604, inserted block 605 and filter screen 606, the outer wall left and right sides of second shell 602 all rotates through second round pin axle 603 and is connected with apron 604, apron 604 can open the lock from the outer wall of second shell 602 through second round pin axle 603, the inboard rigid coupling in bottom of apron 604 has inserted block 605, inserted block 605 can be followed the inside of first shell 401 and inserted and extracted, the inner wall rigid coupling of apron 604 has filter screen 606, the mesh number of filter screen 606 is: 500-.

The fixing component 7 comprises a buckle plate 701, a threaded rod 702, a fixed block 703 and a nut 704, the threaded rod 702 is inserted into the buckle plate 701, the threaded rod 702 can stimulate the buckle plate 701 to be fixed on the outer wall of the second shell 602, the fixed block 703 is fixedly connected to the right side of the threaded rod 702, the nut 704 is connected to the left side of the outer wall of the fixed block 703 in a threaded mode, the nut 704 can fix the buckle plate 701, and the buckle plate 701 is connected with the second shell 602 in an inserting mode through the threaded rod 702.

When the feed-through current transformer starts to be used, a user firstly pulls the pull ring 504 towards the inner side, the pull ring 504 can drive the pressing plate 503 to move towards the inner side to extrude the spring 502 when moving towards the inner side, the fixture block 505 moves towards the inner side, then the user inserts the insertion pipe 506 into the first shell 401, after insertion, the user loosens the pull ring 504, after the pull ring 504 loosens, the reaction force of the spring 502 can push the pressing plate 503 towards the outer side, when moving towards the outer side, the pressing plate 503 can drive the fixture block 505 to insert into the insertion pipe 506 and the first shell 401 for fixing, after fixing, the second shell 602 of the user is buckled on the outer wall of the first shell 401 through the first pin shaft 601, after buckling, the user buckles the buckle plate 701 onto the top end of the second shell 602, after insertion, the user inserts the threaded rod 702 into the buckle plate 701 and the second shell 602, after the insertion, a user rotates the nut 704 to fix the buckle plate 701 on the outer wall of the second housing 602, after the fixation, the user installs the through hole 2 on the base 1 through the bolt 3, when the heat dissipation is needed, the user opens the cover plate 604 through the second pin 603, and after the opening, the dustproof heat dissipation work is performed through the filter screen 606.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 straight-through current transformer, includes base (1), through-hole (2) and bolt (3), through-hole (2) have been seted up to the inside of base (1), the inside bolted connection in top of base (1) has bolt (3), its characterized in that: body (4) are installed on the top of base (1), supporting member (5) are installed to the inner wall of body (4), protection component (6) are installed to the outer wall of body (4), fixed component (7) are installed on the top of protection component (6).

2. A feed-through current transformer according to claim 1, wherein: the body (4) comprises a first shell (401), a lead (402) and a ring-shaped iron (403), the ring-shaped iron (403) is arranged inside the first shell (401), the lead (402) is wound on the outer wall of the ring-shaped iron (403), and the first shell (401) is in threaded connection with the base (1) through a bolt (3).

3. A feed-through current transformer according to claim 1, wherein: support member (5) are including damping piece (501), spring (502), clamp plate (503), pull ring (504), fixture block (505) and intubate (506), the equal rigid coupling in inner wall left and right sides of intubate (506) has spring (502), the outside rigid coupling of spring (502) has clamp plate (503), the equal rigid coupling in upper and lower both ends of clamp plate (503) has pull ring (504), the outside rigid coupling of clamp plate (503) has fixture block (505), the equal rigid coupling has damping piece (501) in the center play of the inner wall left and right sides of intubate (506), intubate (506) are pegged graft with first shell (401) and are linked to each other.

4. A feed-through current transformer according to claim 3, wherein: the spring (502), the pressing plate (503), the pull ring and the fixture block (505) are all symmetrically arranged.

5. A feed-through current transformer according to claim 1, wherein: the protection component (6) comprises a first pin shaft (601), a second shell (602), a second pin shaft (603), a cover plate (604), an insert block (605) and a filter screen (606), wherein the left side and the right side of the outer wall of the second shell (602) are rotatably connected with the cover plate (604) through the second pin shaft (603), the insert block (605) is fixedly connected to the inner side of the bottom end of the cover plate (604), the filter screen (606) is fixedly connected to the inner wall of the cover plate (604), and the second shell (602) is rotatably connected with the first shell (401) through the first pin shaft (601).

6. A feed-through current transformer according to claim 1, wherein: the fixing component (7) comprises a buckle plate (701), a threaded rod (702), a fixed block (703) and a nut (704), the threaded rod (702) is inserted into the buckle plate (701), the fixed block (703) is fixedly connected to the right side of the threaded rod (702), the nut (704) is connected to the left side of the outer wall of the fixed block (703) in a threaded mode, and the buckle plate (701) is connected with the second shell (602) in an inserting mode through the threaded rod (702).