CN213340049U

CN213340049U - Through-wall type totally-enclosed current transformer

Info

Publication number: CN213340049U
Application number: CN202022661941.3U
Authority: CN
Inventors: 吕海涛
Original assignee: Suzhou Xiangcheng Gusu Electric Appliance Co ltd
Current assignee: Suzhou Xiangcheng Gusu Electric Appliance Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-06-01
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a wall-through totally-enclosed current transformer, one side of the main body is provided with a connecting terminal, the other side of the main body is provided with a connecting terminal, the upper end outer surface of the main body is provided with a high-voltage insulator, the lower end outer surface of the main body is provided with a high-voltage insulator, the adopted voltage detection module can detect voltage at any time through the arranged current limiting device, if the detected voltage is not abnormal, the normal operation flow is installed and transmitted to an output module for operation, if the voltage detection module detects the voltage abnormity, the voltage is transmitted to a current limiting module through the connection of a circuit and the current limiting module, the current limiting module limits the current and transmits the current to the output module for normal operation, thereby preventing the internal circuit and the assembly damage caused by the influence of overhigh voltage inside the instrument, bringing better use prospect.

Description

Through-wall type totally-enclosed current transformer

Technical Field

The utility model relates to a current transformer field specifically is a totally closed current transformer of wall-penetrating type.

Background

The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, and the early instrument does not adopt any protection device aiming at the instrument, particularly in a wall, the inner part of the wall is possibly corroded by moisture along with the time, thereby affecting the internal instruments, leading the instruments to be interfered by moisture, and leading the connection between the early instruments and the wall to be easy to loosen or even fall off under the condition that the early instruments are connected with the wall for a long time, moreover, the early instrument can not effectively limit the current in the instrument, the current line with overlarge current is easy to appear, thereby causing the damage of the circuits and components inside the instrument due to the interference of the circuits and the components, when the current transformer is installed and used, the wall-penetrating type totally-enclosed current transformer brings certain adverse effects to the using process of people, and therefore the wall-penetrating type totally-enclosed current transformer is provided.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The utility model provides a to prior art not enough, the utility model provides a totally closed current transformer of wall-piercing, possess advantages such as protection against the damp gas mechanism, reinforcing mechanism and current limiting device, can effectively solve the problem among the background art.

Technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a totally closed current transformer of wall-penetrating formula, one side of main part is provided with binding post No. one, the opposite side of main part is provided with binding post No. two, the upper end surface of main part is provided with high voltage insulator No. one, the lower extreme surface of main part is provided with high voltage insulator No. two, the surface is provided with moisture-proof protection mechanism all around of main part, moisture-proof protection mechanism's upper and lower both ends surface is provided with reinforcing mechanism, reinforcing mechanism's upper end surface is provided with mounting flange, inner wall one side of main part is provided with iron core and current limiting device, current limiting device is located one side of iron core, moisture-proof protection mechanism includes square protective housing, moisture-proof protection film and mounting hole, reinforcing mechanism includes connecting plate, a screw hole and No. two screw holes, current limiting device includes voltage, The device comprises a current limiting module and an output module.

Preferably, the moisture-proof protective film is arranged on the peripheral outer surface of the square protective shell, and the mounting holes are arranged on two sides of the square protective shell.

Preferably, be provided with the viscose between moisture proof protection film and the square protective housing, the moisture proof protection film passes through the surface fixed connection all around of the square protective housing of viscose, be provided with the recess between mounting hole and the square protective housing, the mounting hole passes through the both sides fixed connection of recess and square protective housing.

Preferably, the first threaded hole and the second threaded hole are both located on the outer surface of the upper end of the connecting plate, and the first threaded hole is located on one side of the second threaded hole.

Preferably, a groove is formed between the first threaded hole and the connecting plate, the first threaded hole is fixedly connected with the outer surface of the upper end of the connecting plate through the groove, a groove is formed between the second threaded hole and the connecting plate, and the second threaded hole is fixedly connected with the connecting plate through the groove.

Preferably, the voltage detection module and the current limiting module are both located on the outer surface of the upper end of the output module, and the current limiting module is located on one side of the voltage detection module.

Preferably, a line is arranged between the voltage detection module and the current limiting module and between the voltage detection module and the output module, the output end of the voltage detection module is electrically connected with the input ends of the current limiting module and the output module through the line, a line is arranged between the current limiting module and the output module, and the output end of the current limiting module is electrically connected with the input end of the output module through the line.

Advantageous effects

Compared with the prior art, the utility model provides a totally closed current transformer of wall-penetrating type possesses following beneficial effect:

1. this totally closed current transformer of wall formula of wearing, through its protection mechanism of damp proof that sets up, its self of damp proof gas protection membrane of adoption adopts the plastic cement membrane preparation, because plastic cement membrane itself has certain waterproof nature to can not be permeated by water and moisture easily, thereby effectively protect the instrument not influenced by moisture in the wall.

2. This totally closed current transformer of wall-penetrating type through, through the reinforcing mechanism who sets up, the connecting plate of adoption adopts the screw to pierce through a screw hole and No. two screw holes and is connected with the wall body is inside to consolidate, avoid long-term use and cause the instrument not hard up or appear coming off and the condition.

3. This totally closed current transformer of wall-penetrating type, current limiting device through setting up, the voltage detection module of adoption can detect voltage at any time, if the voltage that detects does not have unusual normal operation flow of installation and transmits output module and operates, if voltage detection module detects out voltage anomaly, then through being connected of circuit and current limiting module, transmit current limiting module, current limiting module carries out the current-limiting and is transmitting output module and normally operates, thereby prevent that the inside influence that suffers the voltage too high of instrument and the inner line and the subassembly that lead to are impaired.

Drawings

Fig. 1 is the utility model relates to a totally closed current transformer's of wall-penetrating type overall structure schematic diagram.

Fig. 2 is a structure diagram of the moisture-proof protection mechanism of the through-wall totally-enclosed current transformer of the utility model.

Fig. 3 is the utility model relates to a through-wall totally closed current transformer's reinforcing mechanism structure chart.

Fig. 4 is a schematic diagram of a current limiting device of a wall-through type totally-enclosed current transformer of the present invention.

In the figure: 1. a main body; 2. a first wiring terminal; 3. a second connecting terminal; 4. a first high voltage insulator; 5. a second high voltage insulator; 6. a moisture protection mechanism; 7. a reinforcement mechanism; 8. installing a flange; 9. an iron core; 10. a current limiting device; 601. a square protective shell; 602. a moisture-proof protective film; 603. mounting holes; 701. a connecting plate; 702. a first threaded hole; 703. a second threaded hole; 101. a voltage detection module; 102. a current limiting module; 103. and an output module.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a wall-through type totally-enclosed current transformer, one side of a main body 1 is provided with a first connecting terminal 2, the other side of the main body 1 is provided with a second connecting terminal 3, the upper outer surface of the main body 1 is provided with a first high-voltage insulator 4, the lower outer surface of the main body 1 is provided with a second high-voltage insulator 5, the peripheral outer surface of the main body 1 is provided with a moisture-proof protection mechanism 6, the upper outer surface and the lower outer surface of the moisture-proof protection mechanism 6 are provided with reinforcing mechanisms 7, the upper outer surface of the reinforcing mechanisms 7 is provided with a mounting flange 8, one side of the inner wall of the main body 1 is provided with an iron core 9 and a current limiting device 10, the current limiting device 10 is positioned at one side of the iron core 9, the moisture-proof protection mechanism 6 comprises a square protective shell 601, a moisture, the current limiting device 10 includes a voltage detection module 101, a current limiting module 102, and an output module 103.

Further, the moisture-proof protective film 602 is located on the outer surface of the periphery of the square protective shell 601, and the mounting holes 603 are located on both sides of the square protective shell 601.

Further, an adhesive is arranged between the moisture-proof protective film 602 and the square protective shell 601, the moisture-proof protective film 602 is fixedly connected with the outer surface of the square protective shell 601 through the adhesive, a groove is arranged between the mounting hole 603 and the square protective shell 601, and the mounting hole 603 is fixedly connected with the two sides of the square protective shell 601 through the groove.

Further, a first threaded hole 702 and a second threaded hole 703 are both located on the outer surface of the upper end of the connecting plate 701, and the first threaded hole 702 is located on one side of the second threaded hole 703.

Further, a groove is formed between the first threaded hole 702 and the connecting plate 701, the first threaded hole 702 is fixedly connected with the outer surface of the upper end of the connecting plate 701 through the groove, a groove is formed between the second threaded hole 703 and the connecting plate 701, and the second threaded hole 703 is fixedly connected with the connecting plate 701 through the groove.

Further, the voltage detection module 101 and the current limiting module 102 are both located on the outer surface of the upper end of the output module 103, and the current limiting module 102 is located on one side of the voltage detection module 101.

Furthermore, lines are arranged between the voltage detection module 101 and the current limiting module 102 and between the voltage detection module 101 and the output module 103, the output end of the voltage detection module 101 is electrically connected with the input ends of the current limiting module 102 and the output module 103 through the lines, a line is arranged between the current limiting module 102 and the output module 103, and the output end of the current limiting module 102 is electrically connected with the input end of the output module 103 through the lines.

Principle of operation

The utility model comprises a main body 1, a first connecting terminal 2, a second connecting terminal 3, a first high-voltage insulator 4, a second high-voltage insulator 5, a moisture-proof protection mechanism 6, a reinforcing mechanism 7, a mounting flange 8, an iron core 9, a current limiting device 10, a square protective shell 601, a moisture-proof protection film 602, a mounting hole 603, a connecting plate 701, a first threaded hole 702, a second threaded hole 703, a voltage detection module 101, a current limiting module 102, an output module 103 and the like, wherein the adopted moisture-proof protection film is made of plastic films through the arranged moisture-proof protection mechanism, the plastic films have certain waterproofness and are easily prevented from being permeated by water and moisture, so that instruments are effectively protected from moisture in a wall, and the adopted connecting plate is connected with the inside of the wall body through the first threaded hole and the second threaded hole by screws through the arranged reinforcing mechanism, thereby consolidate, avoid long-term use and cause the instrument not hard up or the condition that drops appears, current limiting device through setting up, the voltage detection module of adoption can detect voltage at any time, if the voltage that detects does not have the normal operation flow of installation and transmits output module to operate at all unusually, if voltage detection module detects out voltage anomaly, then through being connected of circuit and current limiting module, transmit current limiting module, current limiting module carries out the current-limiting and is transmitting output module and carry out normal operating, thereby prevent that the inside internal line and the subassembly that leads to of suffering the too high influence of voltage of instrument from is impaired.

It is noted that, herein, relational terms such as first and second (a, b, etc.) 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a totally closed current transformer of wall-piercing, includes main part (1), its characterized in that: one side of main part (1) is provided with binding post (2) No. one, the opposite side of main part (1) is provided with binding post (3) No. two, the upper end surface of main part (1) is provided with high-voltage insulator (4) No. one, the lower extreme surface of main part (1) is provided with high-voltage insulator (5) No. two, the surface is provided with moisture-proof protection mechanism (6) all around of main part (1), the upper and lower both ends surface of moisture-proof protection mechanism (6) is provided with reinforcing mechanism (7), the upper end surface of reinforcing mechanism (7) is provided with mounting flange (8), inner wall one side of main part (1) is provided with iron core (9) and current limiting device (10), current limiting device (10) are located one side of iron core (9), moisture-proof protection mechanism (6) are including square (601), The protection film (602) and the mounting hole (603) prevent moisture, reinforcement mechanism (7) include connecting plate (701), screw hole (702) and No. two screw hole (703), current limiting device (10) include voltage detection module (101), current limiting module (102) and output module (103).

2. The wall-penetrating type totally-enclosed current transformer according to claim 1, characterized in that: the moisture-proof protective film (602) is located on the outer surface of the periphery of the square protective shell (601), and the mounting holes (603) are located on two sides of the square protective shell (601).

3. The wall-penetrating type totally-enclosed current transformer according to claim 2, characterized in that: be provided with the viscose between moisture proof protection film (602) and square protective housing (601), moisture proof protection film (602) is through the outer fixed connection all around of the square protective housing of viscose (601), be provided with the recess between mounting hole (603) and square protective housing (601), both sides fixed connection of mounting hole (603) through recess and square protective housing (601).

4. The wall-penetrating type totally-enclosed current transformer according to claim 1, characterized in that: the first threaded hole (702) and the second threaded hole (703) are both located on the outer surface of the upper end of the connecting plate (701), and the first threaded hole (702) is located on one side of the second threaded hole (703).

5. The wall-penetrating type totally-enclosed current transformer according to claim 4, characterized in that: a groove is formed between the first threaded hole (702) and the connecting plate (701), the first threaded hole (702) is fixedly connected with the outer surface of the upper end of the connecting plate (701) through the groove, a groove is formed between the second threaded hole (703) and the connecting plate (701), and the second threaded hole (703) is fixedly connected with the connecting plate (701) through the groove.

6. The wall-penetrating type totally-enclosed current transformer according to claim 1, characterized in that: the voltage detection module (101) and the current limiting module (102) are both located on the outer surface of the upper end of the output module (103), and the current limiting module (102) is located on one side of the voltage detection module (101).

7. The wall-penetrating type totally-enclosed current transformer according to claim 6, characterized in that: the circuit comprises a voltage detection module (101), a current limiting module (102), an output module (103), a circuit and a power supply, wherein circuits are arranged between the voltage detection module (101) and the current limiting module (102) and between the voltage detection module and the output module (103), the output end of the voltage detection module (101) is electrically connected with the input ends of the current limiting module (102) and the output module (103) through the circuits, the circuits are arranged between the current limiting module (102) and the output module (103), and the output end of the current limiting module (102) is electrically connected with the input end of.