CN213026003U

CN213026003U - Integrated double-handle leakage circuit breaker

Info

Publication number: CN213026003U
Application number: CN202022147218.3U
Authority: CN
Inventors: 黄富炫; 王春梅; 潘如新
Original assignee: Huanyu Hi Tech Co ltd
Current assignee: Huanyu Hi Tech Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-04-20
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses an integral type double-handle electric leakage circuit breaker relates to the electrical equipment field, and it includes casing, baffle, electric leakage circuit break module and independent L utmost point circuit break module and N utmost point circuit break module separately, L utmost point circuit break module and N utmost point circuit break module are located respectively the baffle both sides, L utmost point circuit break module is equipped with first operating handle, N utmost point circuit break module is equipped with second operating handle. The utility model has the advantages of good practicability.

Description

Integrated double-handle leakage circuit breaker

Technical Field

The utility model relates to an electrical equipment field, concretely relates to integral type double handle leakage circuit breaker.

Background

The existing 36 mm-width integrated 1P + N leakage circuit breaker has the technical scheme that a handle is operated to drive two action mechanisms of an L pole and an N pole, the L pole and the N pole are connected through a plastic connecting rod, the operating force is large, the stroke is long, the heated stress is easy to deform, and due to the problem of thermal deformation, the rated current can only achieve 40A, and the circuit breaker is not suitable for a high-temperature environment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a simple structure, simple to operate's integral type double-handle leakage circuit breaker.

The utility model discloses the technical scheme who adopts: the utility model provides an integral type double-handle electric leakage circuit breaker, its includes casing, baffle, electric leakage circuit break module and independent L utmost point circuit break module and N utmost point circuit break module separately, L utmost point circuit break module and N utmost point circuit break module are located respectively the baffle both sides, L utmost point circuit break module is equipped with first operating handle, N utmost point circuit break module is equipped with second operating handle.

And the first operating handle and the second operating handle are provided with connecting sleeves for connecting the first operating handle and the second operating handle.

The L pole circuit breaking module comprises a first operating mechanism, an L pole contact device, a short circuit electromagnetic tripping device, an arc extinguishing device and an overload tripping device, wherein the L pole contact device comprises an L pole moving contact and an L pole static contact; the first operating handle can drive the first operating mechanism to swing in the shell through the first connecting rod and drive the L-pole moving contact arranged on the first operating mechanism to be in contact with and separated from the L-pole fixed contact fixedly arranged in the shell; the overload tripping device is arranged at the lower part of the same side of the first operating mechanism, and the overload tripping device and the arc extinguishing device are respectively positioned at two sides of the first operating mechanism.

The N-pole circuit breaking module comprises an N-pole contact device and two N-pole wiring devices, wherein the two N-pole wiring devices are arranged on two sides of the shell; the N-pole contact device comprises an N-pole moving contact and an N-pole fixed contact, a second operating mechanism which is in linkage connection with the second operating mechanism is arranged between the second operating handle and the N-pole moving contact, and the second operating handle can drive the second operating mechanism to swing in the shell through a second connecting rod and drive the N-pole moving contact arranged on the second operating mechanism to be in contact with and separated from the N-pole fixed contact fixedly arranged in the shell.

The first operating mechanism and the second operating mechanism are both made of metal materials.

The utility model has the advantages that: the L pole circuit breaking module and the N pole circuit breaking module in the technical scheme are respectively operated by the two independent modules through the two operating handles, a plastic linkage rod is not required to be arranged between the two independent modules, the defect that the plastic linkage rod is deformed by heating is avoided, higher rated current can be achieved, and the practicability is improved.

Drawings

Fig. 1 is the embodiment of the present invention provides a schematic structural diagram of an integrated dual-handle residual-current circuit breaker.

Fig. 2 is a schematic structural diagram of an L-pole breaker module.

Fig. 3 is a schematic structural diagram of an N-pole breaker module.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figures, the integrated double-handle residual current circuit breaker comprises a shell 1, a partition plate 2, a residual current circuit breaking module, and an L-pole circuit breaking module 4 and an N-pole circuit breaking module 5 which are independent of each other, wherein the L-pole circuit breaking module 4 and the N-pole circuit breaking module 5 are respectively located on two sides of the partition plate 2, the L-pole circuit breaking module 4 is provided with a first operating handle 41, and the N-pole circuit breaking module 5 is provided with a second operating handle 51; the L pole circuit breaking module and the N pole circuit breaking module in the technical scheme are respectively operated by the two independent modules through the two operating handles, a plastic linkage rod is not required to be arranged between the two independent modules, the defect that the plastic linkage rod is deformed by heating is avoided, higher rated current can be achieved, and the practicability is improved.

The first operating handle 41 and the second operating handle 51 are provided with connecting sleeves 6 for connecting the two, and when the first operating handle is operated, the second operating handle can be driven to synchronously act.

The L-pole circuit breaker module 4 comprises a first operating mechanism 42, an L-pole contact device 43 comprising an L-pole moving contact 431 and an L-pole fixed contact 432, a short-circuit electromagnetic trip device 44, an arc extinguishing device 45 and an overload trip device; the first operating handle 41 can drive the first operating mechanism 42 to swing in the housing 1 through the first connecting rod 47 and drive the L-pole moving contact 431 arranged on the first operating mechanism 42 to contact and separate from the L-pole fixed contact 432 fixedly arranged in the housing 1; the overload tripping device is arranged at the lower part of the same side of the first operating mechanism 42, and the overload tripping device and the arc extinguishing device 45 are respectively positioned at two sides of the first operating mechanism 42;

the principle structure of the L-pole circuit breaking module and the N-pole circuit breaking module is known. In this embodiment, the L-pole disconnecting module includes a first operating handle, a first operating mechanism, an L-pole contact device including an L-pole moving contact and an L-pole fixed contact, two L-pole wiring devices, a short-circuit electromagnetic tripping device, an arc extinguishing device, and an overload tripping device. The first operating handle can drive the operating mechanism to swing to drive the L-pole moving contact to be in contact with and separated from the L-pole static contact fixedly arranged in the shell to realize the closing and breaking of the L-pole circuit, the first operating mechanism comprises a lock catch capable of triggering tripping, and when the L-pole main circuit has a short-circuit fault, the electromagnetic force of the short-circuit electromagnetic tripping device drives the actuating rod of the short-circuit electromagnetic tripping device to trigger the contact surface on the lock catch so as to cause the first operating mechanism to trip to execute tripping (namely the L-pole contact device is broken); similarly, when an overcurrent occurs in the L-pole main circuit, the bimetal of the overload trip device bends, and when the bending reaches a certain stroke, the bimetal drives the trip rod on the latch, so that the first operating mechanism trips.

The N-pole circuit breaker module 5 comprises an N-pole contact device 52 and two N-pole wiring devices 53, wherein the two N-pole wiring devices 53 are arranged on two sides of the housing 1; the N-pole contact device 52 includes an N-pole moving contact 521 and an N-pole fixed contact 522, a second operating mechanism 54 which is linked and connected with the second operating handle 51 and the N-pole moving contact 521 is arranged between the second operating handle 51 and the N-pole moving contact 521, and the second operating handle 51 can drive the second operating mechanism 54 to swing in the housing 1 through a second connecting rod 55 and drive the N-pole moving contact 521 arranged on the second operating mechanism 54 to contact with and separate from the N-pole fixed contact 522 fixedly arranged in the housing 1; the N utmost point module that opens circuit include N utmost point contact means and two N utmost point termination, N utmost point contact means includes N utmost point moving contact and N utmost point static contact, the N utmost point moving contact accessible second operating handle of the module that opens circuit of N utmost point and the linkage of first operating handle realization and L utmost point module that opens circuit promptly: when the L pole contact device of the L pole circuit breaking module is closed, the N pole contact device is also closed; when the L pole contact device of the L pole circuit breaking module is switched off or tripped, the N pole contact device is switched off along with the switching off.

The first operating mechanism 42 and the second operating mechanism 54 are made of metal materials, plastic parts of the two operating mechanisms are replaced, and the problem of thermal deformation is solved.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides an integral type dual handle residual current circuit breaker which characterized in that: the novel energy-saving switch comprises a shell (1), a partition plate (2), an electric leakage circuit breaking module, an L pole circuit breaking module (4) and an N pole circuit breaking module (5) which are independent of each other, wherein the L pole circuit breaking module (4) and the N pole circuit breaking module (5) are located on two sides of the partition plate (2) respectively, the L pole circuit breaking module (4) is provided with a first operating handle (41), and the N pole circuit breaking module (5) is provided with a second operating handle (51).

2. An integral type dual-handle residual current circuit breaker according to claim 1, characterized in that: the first operating handle (41) and the second operating handle (51) are provided with connecting sleeves (6) for connecting the first operating handle and the second operating handle.

3. An integral type dual-handle residual current circuit breaker according to claim 1, characterized in that: the L-pole circuit breaker module (4) comprises a first operating mechanism (42), an L-pole contact device (43) comprising an L-pole moving contact (431) and an L-pole fixed contact (432), a short-circuit electromagnetic tripping device (44), an arc extinguishing device (45) and an overload tripping device; the first operating handle (41) can drive the first operating mechanism (42) to swing in the shell (1) through the first connecting rod (47) and drive the L-pole moving contact (431) arranged on the first operating mechanism (42) to be in contact with and separated from the L-pole fixed contact (432) fixedly arranged in the shell (1); the overload tripping device is arranged at the lower part of the same side of the first operating mechanism (42), and the overload tripping device and the arc extinguishing device (45) are respectively positioned at two sides of the first operating mechanism (42).

4. An integral type dual handle residual current circuit breaker as claimed in claim 3, characterized in that: the N-pole circuit breaker module (5) comprises an N-pole contact device (52) and two N-pole wiring devices (53), wherein the two N-pole wiring devices (53) are arranged on two sides of the shell (1); the N-pole contact device (52) comprises an N-pole moving contact (521) and an N-pole fixed contact (522), a second operating mechanism (54) which is in linkage connection with the N-pole moving contact (521) is arranged between the second operating handle (51) and the N-pole moving contact (521), and the second operating handle (51) can drive the second operating mechanism (54) to swing in the shell (1) through a second connecting rod (55) and drive the N-pole moving contact (521) arranged on the second operating mechanism (54) to be in contact with and separated from the N-pole fixed contact (522) fixedly arranged in the shell (1).

5. An integral type dual handle residual current circuit breaker as claimed in claim 4, characterized in that: the first operating mechanism (42) and the second operating mechanism (54) are made of metal materials.