CN217589410U

CN217589410U - Antenna for residual current protection circuit breaker

Info

Publication number: CN217589410U
Application number: CN202220639591.7U
Authority: CN
Inventors: 吴豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-10-14
Anticipated expiration: 2032-03-22

Abstract

The utility model relates to a circuit breaker technical field especially relates to residual current protects antenna for circuit breaker. The antenna deflection device comprises a housin, be equipped with the deflection mechanism that is used for driving antenna deflection on the casing, deflection mechanism is including an installation section of thick bamboo, an end cover that is equipped with fixed connection with it that one of casing was kept away from to the installation section of thick bamboo, the middle part and the casing of end cover rotate to be connected, be equipped with the through-hole that is used for drawing forth with antenna connection wire on the casing, the through-hole is located the inside of an installation section of thick bamboo, the wire electric connection that draws forth in one end and the through-hole of antenna, and fixed connection is in the edge of end cover. This technical scheme is when being used for solving among the prior art residual current protection circuit breaker and wire connection, easily causes the problem of damage to the antenna of installation on the shell.

Description

Residual current protection is antenna for circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to residual current protects antenna for circuit breaker.

Background

The residual current protection circuit breaker is very important component among the low voltage distribution system, and general circuit breaker all has three-section protect function and ground protection function at present, for the purpose of further improving the safe power consumption, prevents operating personnel's the emergence of electrocution and electric fire, and the circuit breaker also has residual current protect function, and the circuit breaker that generally has residual current protect function still provides simulation residual current test function, and this function lets the user regularly detect whether normal circuit breaker residual current protect function.

At present, few part residual current protection circuit breaker possesses the teletransmission function, when realizing the teletransmission function, most residual current protection circuit breaker's manufacturer can adopt the mode of installation transmission antenna to carry out the transmission of signal, but there is following problem in the actual use of this kind of residual current protection short circuiter mainly, for the antenna can be better receiving and signal transmission, the outside at the circuit breaker shell should be installed to the antenna so, nevertheless receive the restriction of shell design structure and circuit breaker mounted position, the mounted position of antenna is close to the position of wire mounting hole on the circuit breaker usually, consequently, when the circuit breaker installation, the antenna can lead to the fact to blockking to being connected of circuit breaker and wire, make the antenna easily with wire clamping tool like interior hexagonal spanner etc. take place the contact of colliding with, lead to the antenna to suffer destruction.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned technique, the utility model aims to provide an antenna for residual current protection circuit breaker for when residual current protection circuit breaker is connected with the wire among the solution prior art, the easy antenna of installing on the shell causes the problem of damage.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the antenna for the residual current protection circuit breaker comprises a shell, wherein a deflection mechanism used for driving the shell to deflect is arranged on the shell, the deflection mechanism comprises an installation cylinder, one end, far away from the shell, of the installation cylinder is provided with an end cover fixedly connected with the installation cylinder, the middle of the end cover is rotatably connected with the shell, the shell is provided with a through hole used for leading out a wire connected with the antenna, the through hole is located inside the installation cylinder, one end of the antenna is electrically connected with the wire led out from the through hole, and the wire is fixedly connected to the edge of the end cover.

Further inject, the middle part of end cover is equipped with the mounting hole, be equipped with the connecting pin in the mounting hole, the one end of connecting pin is equipped with spacing boss, the other end of connecting pin is equipped with the external screw thread, be equipped with the screw hole that matches with connecting pin tip external screw thread on the position that casing and mounting hole correspond, its useful part lies in, through the threaded end on the connecting pin and the screw hole threaded connection on the casing, under the effect of spacing boss, can realize rotating the installation section of thick bamboo and connect on the casing, and can not drop, and this kind of connected mode is simple, more is of value to the assembly.

Further inject, be equipped with the spring between the surface of spacing boss and end cover, the spring cup joints with the connecting pin on, its beneficial part lies in, when the connecting pin screw is screwed up, the spring compresses between end cover and spacing boss, can exert a tight power of supporting to the installation section of thick bamboo, makes it and shell in close contact with, and does not influence the rotation effect of installation section of thick bamboo.

Further inject, the sponge layer that absorbs water has been cup jointed on the connecting pin, the sponge layer that absorbs water covers the mounting hole totally, the spring is located the top on sponge layer that absorbs water, and its beneficial part lies in, and the sponge that absorbs water can block inside humid air or the dust gets into the installation section of thick bamboo from the mounting hole, guarantees this circuit breaker and external isolated effect.

Further inject, the end cover is equipped with spacing post on the side towards the casing, is located be equipped with the stopper on the inside casing of an installation section of thick bamboo, the stopper is used for blockking spacing to spacing post, and its beneficial part lies in, when an installation section of thick bamboo is rotatory to certain angle, spacing post and stopper contact make it can not continue to rotate, protect the wire with antenna connection promptly, avoid the wire to be torn apart and damage.

Further, the length allowance for adapting to antenna deflection is arranged in the installation cylinder of the conducting wire connected with the antenna, and the antenna has the advantages that the antenna is prevented from rotating for a certain angle, the conducting wire cannot be damaged, and the length allowance can be determined according to actual conditions.

Further inject, the inside of installation section of thick bamboo is equipped with the barrier ring, the one end and the casing fixed connection of barrier ring, the outer wall of barrier ring contacts with the inner wall of installation section of thick bamboo, and its beneficial part is in, the one end and the casing fixed connection of barrier ring, be about to including the wire protection, avoid the installation section of thick bamboo contact with the wire when assembly or rotatory, cause the problem that the wire is damaged by the friction.

Further inject, circumference equipartition is equipped with the lug on the outer wall of an installation section of thick bamboo, and its beneficial part lies in, because this circuit breaker probably space is narrow when the installation, is unfavorable for rotating an installation section of thick bamboo with the hand, consequently can borrow tools such as screwdriver, realizes the rotation of an installation section of thick bamboo through promoting the lug.

Further limit, threaded connection between antenna and the end cover, its beneficial is that, the connected mode is simple, convenient to detach.

The utility model discloses the technological effect who gains as follows:

the working principle of the technical scheme is as follows:

(1) When the circuit protector is connected with a wire, the position of the antenna can be changed only by rotating the mounting cylinder, so that the wire mounting hole is not shielded by the antenna, the circuit breaker is convenient for wire connection, and the problem of antenna damage caused by the contact of a mounting tool and the antenna is avoided; (2) The setting of spacing post and stopper can rotate spacingly to the position of an installation section of thick bamboo, and the number of turns of avoiding an installation section of thick bamboo rotatory is too much, and perhaps rotation angle is great, causes the problem that the wire of being connected with the antenna in the installation section of thick bamboo damages.

Drawings

FIG. 1 is a schematic view of the connection of a deflection mechanism to a housing and an antenna;

FIG. 2 is a schematic view of a blocker ring disposed on the housing;

FIG. 3 is a perspective view of the mounting cartridge;

fig. 4 is a schematic internal cross-sectional view of a deflection mechanism.

Reference numerals

The antenna comprises a shell 1, a lead mounting hole 2, a through hole 3, a threaded hole 4, a stop ring 6, an antenna 7, a mounting cylinder 8, a limiting column 9, a connecting pin 10, a spring 11 and a lead 12.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1 to 4, the antenna for a residual current circuit breaker, it should be noted that, the problem that the installation position of the antenna 7 interferes with the position of the wire installation hole 2 formed on the housing 1 is solved by the technical solution, which includes a housing, a deflection mechanism for driving the antenna 7 on the housing to deflect is arranged on the housing, the deflection mechanism includes an installation cylinder 8, one end of the installation cylinder 8, which is far away from the housing, is provided with an end cover fixedly connected with the installation cylinder, the middle part of the end cover is rotatably connected with the housing, the housing is provided with a through hole 3 for leading out a wire 12 connected with the antenna 7, the through hole 3 is located inside the installation cylinder 8, one end of the antenna 7 is electrically connected with the wire 12 led out from the through hole 3, and is fixedly connected to the edge of the end cover, wherein, the antenna 7 is in threaded connection with the end cover, the connection mode is simple, and the disassembly is convenient.

The middle part (axis department) of end cover is equipped with the mounting hole, be equipped with connecting pin 10 in the mounting hole, the one end of connecting pin 10 is equipped with spacing boss, the other end of connecting pin 10 is equipped with the external screw thread, be equipped with the screw hole 4 that matches with connecting pin 10 tip external screw thread on the position that casing and mounting hole correspond, through 4 threaded connection of screw hole on the threaded end on the connecting pin 10 and the casing, under the effect of spacing boss, can realize rotating the installation section of thick bamboo 8 and connect on the casing, and can not drop, this kind of connected mode is simple, more be of value to the assembly. Be equipped with spring 11 between the surface of spacing boss and end cover, on spring 11 cup jointed and connecting pin 10, when connecting pin 10 screw was screwed up, spring 11 compressed between end cover and spacing boss, can exert a tight power of supporting to installation section of thick bamboo 8, made its and shell 1 in close contact with, and did not influence the rotation effect of installation section of thick bamboo 8. The sponge layer that absorbs water has been cup jointed on connecting pin 10, and the sponge layer that absorbs water covers the mounting hole is full, and spring 11 is located the top on sponge layer that absorbs water, and the sponge that absorbs water can block moist air or dust and get into installation section of thick bamboo 8 from the mounting hole inside, guarantees this circuit breaker and external isolated effect.

The end cover is equipped with spacing post 9 on the side of casing towards, is located to be equipped with stopper 6 on the inside casing of installation section of thick bamboo, and stopper 6 is used for blockking spacing to spacing post 9, and when installation section of thick bamboo 8 was rotatory to certain angle, spacing post 9 and stopper 6 contact make it can not continue to rotate, protect wire 12 be connected with antenna 7 promptly, avoid wire 12 to be torn apart and damage. The lead 12 connected with the antenna 7 is provided with a length allowance for adapting to deflection of the antenna 7 in the installation cylinder 8, so that the antenna 7 is prevented from rotating by a certain angle, the lead 12 cannot be damaged, and the length allowance can be determined according to actual conditions.

The inside of an installation section of thick bamboo 8 is equipped with barrier ring 5, the one end and the casing fixed connection of barrier ring 5, the outer wall of barrier ring 5 and the inner wall contact of an installation section of thick bamboo 8, the one end and the casing fixed connection of barrier ring 5 are about to including wire 12 protection, avoid an installation section of thick bamboo 8 and wire 12 contact when assembly or rotation, cause the problem that wire 12 is damaged by the friction. The circumference equipartition is equipped with the lug on the outer wall of an installation section of thick bamboo 8, because this circuit breaker probably space is narrow when the installation, is unfavorable for rotating an installation section of thick bamboo 8 with the hand, consequently can borrow tools such as screwdriver, realizes the rotation of an installation section of thick bamboo 8 through promoting the lug.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The antenna for the residual current protection circuit breaker comprises a shell and is characterized in that a deflection mechanism used for driving the antenna on the shell to deflect is arranged on the shell, the deflection mechanism comprises an installation cylinder, an end cover fixedly connected with the installation cylinder is arranged at one end, far away from the shell, of the installation cylinder, the middle of the end cover is rotatably connected with the shell, a through hole used for leading out a lead connected with the antenna is formed in the shell, the through hole is located in the installation cylinder, and one end of the antenna is electrically connected with the lead led out from the through hole and is fixedly connected to the edge of the end cover.

2. The antenna for the residual current circuit breaker according to claim 1, wherein a mounting hole is formed in the middle of the end cover, a connecting pin is arranged in the mounting hole, a limiting boss is arranged at one end of the connecting pin, an external thread is arranged at the other end of the connecting pin, and a threaded hole matched with the external thread at the end part of the connecting pin is formed in the position, corresponding to the mounting hole, of the shell.

3. The antenna for the residual current circuit breaker according to claim 2, wherein a spring is arranged between the limiting boss and the surface of the end cover, and the spring is sleeved on the connecting pin.

4. The antenna for the residual current protection circuit breaker according to claim 3, wherein a water absorption sponge layer is sleeved on the connecting pin, the water absorption sponge layer completely covers the mounting hole, and the spring is positioned above the water absorption sponge layer.

5. The antenna for the residual current protection circuit breaker according to claim 1, wherein a limiting post is disposed on a side surface of the end cap facing the housing, and a limiting block is disposed on the housing inside the mounting barrel, and the limiting block is used for blocking and limiting the limiting post.

6. The antenna for the residual current circuit breaker according to claim 1, wherein the wire connected to the antenna is provided with a length allowance for accommodating deflection of the antenna inside the mounting cylinder.

7. The antenna for the residual current circuit breaker according to claim 1, wherein a blocking ring is arranged inside the mounting cylinder, one end of the blocking ring is fixedly connected with the shell, and the outer wall of the blocking ring is in contact with the inner wall of the mounting cylinder.

8. The antenna for the residual current circuit breaker according to claim 1, wherein the outer wall of the mounting cylinder is provided with bumps uniformly distributed on the circumference.

9. The antenna for the residual current circuit breaker according to claim 1, wherein the antenna is screwed to the end cap.