CN212230369U

CN212230369U - Mechanism capable of quickly acting during electric leakage

Info

Publication number: CN212230369U
Application number: CN202020805500.3U
Authority: CN
Inventors: 叶光亮; 杨晓红
Original assignee: Zhejiang Yingbo Electric O Ltd
Current assignee: Zhejiang Yingbo Electric O Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-25
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a mechanism of quick action when electric leakage, which comprises an outer shell, first circuit breaker and second circuit breaker has set gradually backward in the past in the shell, be provided with the mechanism of breaking out between first circuit breaker and the second circuit breaker, the mechanism of breaking out includes detection mechanism, trace, respectively with first circuit breaker, the corresponding two sets of latched device of second circuit breaker, the trace rotates and installs inside the shell, the utility model discloses a set up the mechanism of breaking out at the intermediate position of dipolar circuit breaker, when remaining circuit reaches the specified value in the circuit, just can in time unpack the hasp of two circuit breakers apart, the moving of separate circuit breaker, static contact to the circuit breaker plays the effect of personal protection, provides the guarantee for safe power consumption. For specific application scenes, the circuit breaker is also suitable for 3P and 4P circuit breakers so as to adapt to more complex circuit conditions.

Description

Mechanism capable of quickly acting during electric leakage

Technical Field

The utility model relates to a circuit breaker technical field specifically is a mechanism of quick action when having electric leakage.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. Because the power grid, industry and family use terminal protection electrical apparatus develop rapidly, the small residual current circuit breaker is used as the protective device and is applied to various electric circuits of place extensively, it not merely can break and put through the normal load current, and when the circuit appears the trouble such as overload, short circuit, residual current, etc., cut off the circuit automatically, protect equipment, personal and property safety. Most of the existing small residual current circuit breakers do not have N-pole transient and overload protection, and only have L-pole protection, if a user connects an L/N-pole circuit reversely in the using process, the protection effect can not be effectively realized when the actual fault occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanism of quick action when having electric leakage to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a mechanism of fast action when electric leakage, includes the shell, first circuit breaker and second circuit breaker have set gradually backward in the shell in the past, be provided with the mechanism of breaking out between first circuit breaker and the second circuit breaker, the mechanism of breaking out includes detection mechanism, trace, respectively with first circuit breaker, the corresponding two sets of latched device of second circuit breaker, the trace rotates to be installed inside the shell.

Preferably, detection mechanism includes the support, the support is fixed on the circuit board, be provided with the mutual-inductor on the circuit board, the mutual-inductor sets up the rear side at the support, the coil is installed to the support bottom, slidable mounting has the connecting rod on the support, connecting rod top fixed mounting has movable iron core, the one end and the connecting rod of trace contact.

Preferably, the top contact of the trace far away from the one end of detection mechanism is provided with tears the moving axis open, and two latched device settings are tearing both ends around the moving axis open.

Preferably, the locking mechanism comprises a contact support, a locking accessory, a lock catch and a jump buckle, the contact support is fixed inside the shell, the locking accessory is fixedly connected with the lock catch, the locking accessory is arranged at one end, facing the dismounting shaft, of the contact support, the lock catch is arranged at one end, far away from the dismounting shaft, of the contact support, and the jump buckle is located at the top end of the lock catch.

Preferably, the surface of one end of the latch accessory facing the detaching shaft is provided with an arc chute corresponding to the detaching shaft, the end of the detaching shaft is arranged inside the arc chute, the latch accessory is rotatably mounted on the contact support through a first pin shaft, the latch is rotatably mounted on the contact support through a second pin shaft, and the jump buckle is rotatably mounted on the contact support through a third pin shaft.

Preferably, the top of hasp is provided with the breach, jump and detain the bottom and be provided with the protruding beak corresponding with the breach.

Preferably, the interlock pole includes pole portion, both ends are provided with the location axle of symmetric distribution around the pole portion, the locating hole has been seted up to the shell internal surface, the location axle rotates and installs in the locating hole, the one end of pole portion is provided with the fork head portion, U-shaped mouth has been seted up on fork head portion surface, the fork head portion is through U-shaped mouthful suit in the connecting rod periphery, the top of the pole portion other end is provided with the shape of falling L dropout face, the axle of tearing open is placed on the shape of falling L dropout face top.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up at dipolar circuit breaker's intermediate position and tear open and detain the mechanism, when remaining circuit reached the specified value in the circuit, just can in time unpack apart the hasp of two circuit breakers, separate the moving of circuit breaker, the static contact to the effect of personal protection is played in the circuit breaking, provides the guarantee for the safe power consumption. For specific application scenes, the circuit breaker is also suitable for 3P and 4P circuit breakers so as to adapt to more complex circuit conditions.

Drawings

FIG. 1 is a schematic view of an external appearance of a mechanism with a fast action in case of leakage;

FIG. 2 is a schematic diagram of an internal structure of a mechanism with fast action in case of leakage;

FIG. 3 is a schematic structural diagram of a release mechanism in a mechanism with a quick action in case of leakage;

FIG. 4 is a schematic diagram of a structure of a latch and a jumper in a mechanism with fast action in case of leakage;

fig. 5 is a schematic structural diagram of a linkage rod in a mechanism with a fast action in case of leakage.

In the figure: 1-shell, 2-first circuit breaker, 3-second circuit breaker, 4-detection mechanism, 5-linkage rod, 6-locking mechanism, 7-support, 8-coil, 9-linkage rod, 10-movable iron core, 11-contact support, 12-detaching shaft, 13-locking accessory, 14-first pin shaft, 15-locking, 16-second pin shaft, 17-third pin shaft, 18-jump buckle, 19-gap, 20-convex beak, 21-rod part, 22-positioning shaft, 23-inverted L-shaped releasing surface and 24-fork head part.

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 to 5, the present invention provides a technical solution: the utility model provides a mechanism of fast action when electric leakage, includes shell 1, first circuit breaker 2 and second circuit breaker 3 have set gradually in the past backward in shell 1, be provided with between first circuit breaker 2 and the second circuit breaker 3 and tear open and detain the mechanism, tear open and detain the mechanism and include detection mechanism 4, trace 5, respectively with first circuit breaker 2, the corresponding two sets of latched device 6 of second circuit breaker 3, trace 5 rotates and installs inside shell 1.

Detection mechanism 4 includes support 7, support 7 is fixed on the circuit board, be provided with the mutual-inductor on the circuit board, the mutual-inductor sets up the rear side at support 7, coil 8 is installed to support 7 bottom, slidable mounting has connecting rod 9 on support 7, connecting rod 9 top fixed mounting has movable iron core 10, the one end of trace 5 contacts with connecting rod 9.

The top of one end of the linkage rod 5, which is far away from the detection mechanism 4, is provided with a dismounting shaft 12 in a contact manner, and the two locking mechanisms 6 are arranged at the front end and the rear end of the dismounting shaft 12.

Latching mechanism 6 includes contact support 11, hasp annex 13, hasp 15 and jump and detain 18, contact support 11 is fixed inside shell 1, hasp annex 13 and hasp 15 fixed connection, hasp annex 13 sets up the one end of dismantling moving axis 12 at contact support 11 orientation, hasp 15 sets up the one end of dismantling moving axis 12 at contact support 11 is kept away from, jump detain 18 is located hasp 15 top.

The surface of one end of the lock catch accessory 13 facing the detaching shaft 12 is provided with an arc chute corresponding to the detaching shaft 12, the end of the detaching shaft 12 is arranged inside the arc chute, the lock catch accessory 13 is rotatably installed on the contact support 11 through a first pin shaft 14, the lock catch 15 is rotatably installed on the contact support 11 through a second pin shaft 16, and the jump catch 18 is rotatably installed on the contact support 11 through a third pin shaft 17.

The top end of the lock catch 15 is provided with a gap 19, and the bottom end of the jump buckle 18 is provided with a convex beak 20 corresponding to the gap 19.

The linkage rod 5 comprises a rod portion 21, positioning shafts 22 which are symmetrically distributed are arranged at the front end and the rear end of the rod portion 21, positioning holes are formed in the inner surface of the shell 1, the positioning shafts 22 are rotatably installed in the positioning holes, a fork head portion 24 is arranged at one end of the rod portion 21, a U-shaped opening is formed in the surface of the fork head portion 24, the fork head portion 24 is sleeved on the periphery of the connecting rod 9 through the U-shaped opening, an inverted L-shaped tripping surface 23 is arranged at the top of the other end of the rod portion 21, and the dismounting shaft 12 is placed on the top end of the inverted L-shaped.

The utility model discloses a theory of operation: the detection circuit board is arranged in the shell, the coil 8 is connected with the circuit board, when the circuit board detects that residual current exceeding a threshold value exists, the coil 8 is electrified to generate magnetic force, the movable iron core 10 is attracted to move downwards, the movable iron core 10 drives the right end of the linkage rod 5 to descend, the linkage rod 5 rotates around the positioning shaft 22 at the moment, the dismounting shaft 12 is pried and moved at the left end to ascend, the dismounting shaft 12 drives the latch accessory 13 to rotate around the first pin shaft 14, the latch accessory 13 drives the latch 15 to rotate around the second pin shaft 16, so that the notch 19 and the convex beak 20 are staggered, the latch 15 is separated from the jump buckle 18, movable and static contacts of the circuit breaker are separated, and the effect of circuit breaking is. The two-stage switch is adopted in the embodiment, and is suitable for 3P and 4P circuit breakers in specific application scenes so as to adapt to more complex circuit conditions.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A mechanism with quick action when electric leakage, includes shell (1), its characterized in that: first circuit breaker (2) and second circuit breaker (3) have set gradually backward in the past in shell (1), be provided with between first circuit breaker (2) and second circuit breaker (3) and tear open and detain the mechanism, tear open and detain the mechanism including detection mechanism (4), trace (5), respectively with first circuit breaker (2), two sets of latched device (6) that second circuit breaker (3) are corresponding, trace (5) rotate and install inside shell (1).

2. The mechanism of claim 1, wherein the mechanism is capable of fast acting when an electric leakage occurs, and comprises: detection mechanism (4) are including support (7), support (7) are fixed on the circuit board, be provided with the mutual-inductor on the circuit board, the mutual-inductor sets up the rear side at support (7), coil (8) are installed to support (7) bottom, slidable mounting has connecting rod (9) on support (7), connecting rod (9) top fixed mounting has movable iron core (10), the one end and connecting rod (9) of trace (5) contact.

3. The mechanism of claim 2, wherein the mechanism is capable of acting rapidly when an electric leakage occurs, and further comprising: the top of one end of the linkage rod (5) far away from the detection mechanism (4) is provided with a dismounting shaft (12) in a contact manner, and the two locking mechanisms (6) are arranged at the front end and the rear end of the dismounting shaft (12).

4. A mechanism with a quick action on leakage as claimed in claim 3, wherein: latching mechanism (6) include contact support (11), hasp annex (13), hasp (15) and jump and detain (18), contact support (11) are fixed inside shell (1), hasp annex (13) and hasp (15) fixed connection, hasp annex (13) set up in contact support (11) orientation and tear the one end of moving axis (12) open, hasp (15) set up the one end of tearing moving axis (12) away from in contact support (11), jump and detain (18) and be located hasp (15) top.

5. The mechanism of claim 4, wherein the mechanism is capable of acting rapidly when an electric leakage occurs, and further comprising: hasp annex (13) are seted up and are torn open the corresponding arc spout of moving axis (12) towards the one end surface of tearing moving axis (12), the tip setting of tearing moving axis (12) inside the arc spout, hasp annex (13) are installed on contact support (11) through first round pin axle (14) rotation, hasp (15) are installed on contact support (11) through second round pin axle (16) rotation, jump and detain (18) and rotate through third round pin axle (17) and install on contact support (11).

6. The mechanism of claim 5, wherein the mechanism is capable of acting rapidly when an electric leakage occurs, and further comprising: the top of hasp (15) is provided with breach (19), jump and detain (18) bottom and be provided with protruding beak (20) corresponding with breach (19).

7. The mechanism of claim 6, wherein the mechanism is capable of acting rapidly when an electric leakage occurs, and further comprising: the linkage rod (5) comprises a rod portion (21), positioning shafts (22) which are symmetrically distributed are arranged at the front end and the rear end of the rod portion (21), positioning holes are formed in the inner surface of the shell (1), the positioning shafts (22) are rotatably installed in the positioning holes, a fork head portion (24) is arranged at one end of the rod portion (21), a U-shaped opening is formed in the surface of the fork head portion (24), the fork head portion (24) is sleeved on the periphery of the connecting rod (9) through the U-shaped opening, an inverted L-shaped tripping surface (23) is arranged at the top of the other end of the rod portion (21), and the dismounting shaft (12) is placed at the top end of the inverted L-shaped tripping surface (23).