CN110797176A

CN110797176A - Mutual inductor with good waterproof performance

Info

Publication number: CN110797176A
Application number: CN201911129248.7A
Authority: CN
Inventors: 李志祥; 董宏勇; 谭运春; 刘利群
Original assignee: Hengyang Huayi Electric Mutual Inductor Co Ltd
Current assignee: Hengyang Huayi Electric Mutual Inductor Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-02-14

Abstract

The invention discloses a mutual inductor with good waterproof performance, which comprises a wiring mechanism, a mutual inductor body and a sealing mechanism, wherein the mutual inductor body is fixedly installed at the top of the wiring mechanism, the sealing mechanism which is matched with the wiring mechanism for use is arranged on the front side of the wiring mechanism, the wiring mechanism comprises a wiring box, wiring terminals and installation parts, the wiring terminals which are symmetrically arranged are arranged in the wiring box, the installation parts are fixedly connected to the bottoms of the left side and the right side of the wiring box, and the mutual inductor body comprises a mutual inductor shell and a mutual inductor coil. According to the mutual inductor with the good waterproof performance, the wiring mechanism, the mutual inductor body and the sealing mechanism are matched, so that the mutual inductor with the good waterproof performance can be realized, the junction box can be effectively prevented from being influenced by external moisture, the normal use of the device is ensured, the damage caused by external wiring can be effectively avoided by arranging the rubber anti-scraping sleeve, and the service life of the device is further prolonged.

Description

Mutual inductor with good waterproof performance

Technical Field

The invention relates to the technical field of mutual inductors, in particular to a mutual inductor with good waterproof performance.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The transformer can change high voltage into low voltage and large current into small current for measuring or protecting system, and its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to implement standardization and miniaturization of measuring instrument, protecting equipment and automatic control equipment, and at the same time, the transformer can also be used to separate high voltage system to ensure safety of human body and equipment. A common transformer is provided with a junction box for connecting wires, but the common junction box is only provided with a cover plate for sealing the junction box, so that the common transformer is easily affected by external moisture, and the normal use of the device is further affected.

Disclosure of Invention

The invention provides a mutual inductor with better waterproof performance to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme: a mutual inductor with good waterproof performance comprises a wiring mechanism, a mutual inductor body and a sealing mechanism, wherein the mutual inductor body is fixedly arranged at the top of the wiring mechanism, and the sealing mechanism which is matched with the wiring mechanism for use is arranged on the front side of the wiring mechanism;

the wiring mechanism comprises a wiring box, wiring terminals and mounting pieces, the wiring terminals are symmetrically arranged in the wiring box, and the mounting pieces are fixedly connected to the bottoms of the left side and the right side of the wiring box;

the mutual inductor comprises a mutual inductor body and a mutual inductor coil, wherein the mutual inductor coil matched with the mutual inductor body is arranged in the mutual inductor body;

sealing mechanism includes closing plate, ring type seal, ring seal groove and annular sealing pad, the ring type seal that the back fixedly connected with of closing plate used with the terminal box mutually supporting, ring type seal has been seted up at ring type seal's the back and the position that corresponds the terminal box, one side that the terminal box is close to the ring type seal groove runs through the ring type seal groove and extends to the inside of ring type seal groove, on the inner wall of ring type seal groove and correspond the annular sealing pad that terminal box fixedly connected with used with the terminal box mutually supporting.

Preferably, the top of installed part is seted up the mounting hole that link up each other, the top of installed part just corresponds the position of mounting hole and is provided with the mounting bolt rather than the looks adaptation, the bottom of mounting bolt runs through the mounting hole and extends to the bottom of installed part.

Preferably, the bottom of the transformer housing is fixedly connected with the top of the junction box.

Preferably, two ends of the transformer coil penetrate through the junction box and extend into the junction box, and the two ends of the transformer coil are fixedly connected with two binding posts in the junction box respectively.

Preferably, the side of the annular sealing gasket close to the junction box is in contact with the junction box.

Preferably, a rubber anti-scraping sleeve is arranged on the left side of the sealing plate and corresponds to the position of the binding post.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the mutual inductor with the good waterproof performance, the wiring mechanism, the mutual inductor body and the sealing mechanism are matched, so that the mutual inductor with the good waterproof performance can be realized, the junction box can be effectively prevented from being influenced by external moisture, the normal use of the device is ensured, the damage caused by external wiring can be effectively avoided by arranging the rubber anti-scraping sleeve, and the service life of the device is further prolonged.

2. The device is convenient to fix by arranging the mounting holes and the mounting bolts, and the rubber scratch-resistant sleeve can play a certain protection role on an external circuit.

Drawings

FIG. 1 is a structural cross-sectional view in elevation of the present invention;

FIG. 2 is a structural cross-sectional view of a left side view of the wiring mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of A-A of FIG. 2 in accordance with the present invention;

fig. 4 is a schematic left side view of the annular sealing ring according to the present invention.

In the figure: the transformer comprises a wiring mechanism 1, a transformer body 2, a sealing mechanism 3, a 101 junction box, a 102 wiring terminal, a 103 mounting piece, a 201 transformer shell, a 202 transformer coil, a 301 sealing plate, a 302 annular sealing ring, a 303 annular sealing groove, a 304 annular sealing gasket, a 4 mounting hole, a 5 mounting bolt and a 6 rubber scratch-proof sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a transformer with good waterproof performance includes a wiring mechanism 1, a transformer body 2, and a sealing mechanism 3, the transformer body 2 is fixedly mounted on the top of the wiring mechanism 1, and the sealing mechanism 3 is disposed on the front surface of the wiring mechanism 1 and used in cooperation with the wiring mechanism 1.

Please refer to fig. 1-4, the wiring mechanism 1 includes a terminal box 101, terminals 102 and a mounting part 103, the terminals 102 are symmetrically arranged inside the terminal box 101, the mounting parts 103 are fixedly connected to the bottom of the left and right sides of the terminal box 101, the mounting holes 4 penetrating through each other are formed in the top of the mounting part 103, the mounting bolts 5 adapted to the top of the mounting part 103 and corresponding to the mounting holes 4 are arranged at the positions of the mounting part 103, the bottom of the mounting bolts 5 penetrates through the mounting holes 4 and extends to the bottom of the mounting part 103, and the mounting holes 4 and the mounting bolts 5 are arranged to facilitate the fixing of the device.

Referring to fig. 1 to 4, the transformer body 2 includes a transformer housing 201 and a transformer coil 202, the bottom of the transformer housing 201 is fixedly connected to the top of the junction box 101, the transformer coil 202 adapted to the transformer housing 201 is disposed inside the transformer housing 201, two ends of the transformer coil 202 both penetrate through the junction box 101 and extend into the junction box 101, and two ends of the transformer coil 202 are respectively fixedly connected to two terminals 102 inside the junction box 101.

Referring to fig. 1-4, the sealing mechanism 3 includes a sealing plate 301, an annular sealing ring 302, an annular sealing groove 303 and an annular sealing gasket 304, a rubber anti-scraping sleeve 6 is disposed on the left side of the sealing plate 301 and corresponding to the terminal 102, the rubber anti-scraping sleeve 6 can protect the external circuit, the annular sealing ring 302 used in cooperation with the terminal box 101 is fixedly connected to the back of the sealing plate 301, the annular sealing groove 303 is disposed on the back of the annular sealing ring 302 and corresponding to the terminal box 101, one side of the terminal box 101 close to the annular sealing groove 303 penetrates through the annular sealing groove 303 and extends into the annular sealing groove 303, the annular sealing gasket 304 used in cooperation with the terminal box 101 is fixedly connected to the inner wall of the annular sealing groove 303 and corresponding to the terminal box 101, and one side of the annular sealing gasket 304 close to the, through mutually supporting between wiring mechanism 1, mutual-inductor body 2 and the sealing mechanism 3, realized the better mutual-inductor of waterproof performance, can effectually avoid terminal box 101 to receive the influence of external moisture to guarantee the normal use of device, and prevent scraping cover 6 through setting up rubber and can effectually avoid external wiring to cause the damage, and then extension means's life.

In summary, the following steps: this waterproof performance's mutual-inductor through setting up wiring mechanism 1, mutual-inductor body 2 and sealing mechanism 3, has solved the problem that the background art mentioned.

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 better mutual-inductor of waterproof performance, includes wiring mechanism (1), mutual-inductor body (2) and sealing mechanism (3), its characterized in that: a mutual inductor body (2) is fixedly installed at the top of the wiring mechanism (1), and a sealing mechanism (3) which is matched with the wiring mechanism (1) for use is arranged on the front surface of the wiring mechanism (1);

the wiring mechanism (1) comprises a junction box (101), wiring terminals (102) and mounting pieces (103), the wiring terminals (102) are symmetrically arranged in the junction box (101), and the mounting pieces (103) are fixedly connected to the bottoms of the left side and the right side of the junction box (101);

the mutual inductor body (2) comprises a mutual inductor shell (201) and a mutual inductor coil (202), wherein the mutual inductor coil (202) matched with the mutual inductor shell (201) is arranged inside the mutual inductor shell (201);

sealing mechanism (3) include closing plate (301), ring type seal (302), ring type seal groove (303) and ring type seal pad (304), the back fixedly connected with of closing plate (301) and ring type seal (302) that terminal box (101) mutually supported used, ring type seal groove (303) have been seted up to the back of ring type seal (302) and the position that corresponds terminal box (101), ring type seal groove (303) are run through and extend to the inside of ring type seal groove (303) in one side that terminal box (101) are close to ring type seal groove (303), on the inner wall of ring type seal groove (303) and correspond ring type seal pad (304) that terminal box (101) fixedly connected with used with terminal box (101) mutually supported.

2. The instrument transformer with better waterproofness as claimed in claim 1, wherein: mounting hole (4) that link up each other are seted up at the top of installed part (103), the top of installed part (103) just corresponds the position of mounting hole (4) and is provided with mounting bolt (5) rather than the looks adaptation, the bottom of mounting bolt (5) is run through mounting hole (4) and is extended to the bottom of installed part (103).

3. The instrument transformer with better waterproofness as claimed in claim 1, wherein: the bottom of the transformer shell (201) is fixedly connected with the top of the junction box (101).

4. The instrument transformer with better waterproofness as claimed in claim 1, wherein: two ends of the transformer coil (202) penetrate through the junction box (101) and extend into the junction box (101), and the two ends of the transformer coil (202) are fixedly connected with two binding posts (102) in the junction box (101) respectively.

5. The instrument transformer with better waterproofness as claimed in claim 1, wherein: the side of the annular sealing gasket (304) close to the junction box (101) is in contact with the junction box.

6. The instrument transformer with better waterproofness as claimed in claim 1, wherein: and a rubber anti-scraping sleeve (6) is arranged on the left side of the sealing plate (301) and corresponds to the position of the binding post (102).