CN209071251U - The breaker that a kind of automatic close/open machine and electrical leakage tripping device are integrated - Google Patents

Abstract

The breaker that a kind of automatic close/open machine and electrical leakage tripping device are integrated.It includes shell, motor-operating mechanism and electrical leakage tripping device are equipped in the shell, the releasing structure of circuit breaker internal is linked by axis of traction and motor-operating mechanism and realizes automatic, manual divide-shut brake, under leakage condition, electric leakage dropout part one end drives the axis of traction that circuit breaker internal releasing structure is made to thread off, the other end drives return unit, and return unit pop-up is made to be located at instruction electric leakage position.The utility model is equipped with motor-operating mechanism and electrical leakage tripping device simultaneously in shell, and separating brake, the shutting-brake control function of breaker are realized by opening/closing operation mechanism, realizes creepage protection function by electrical leakage tripping device；Electric leakage instruction function and motor-operating mechanism are mutually indepedent, if motor-operating mechanism breaks down, electrical leakage tripping device can also complete own electric leakage tripping function.

Description

The breaker that a kind of automatic close/open machine and electrical leakage tripping device are integrated

Technical field

The utility model relates to breaker, in particular to a kind of automatic switching on and off mechanism and electrical leakage tripping device are integrated Breaker.

Background technique

Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.The existing manual switch effect of its function, and can be automatic Carry out the electric appliance of decompression, under-voltage, overload and short-circuit protection.Breaker generally passes through a plug-in motor-operating mechanism or electric leakage Tripping mechanism increases far distance automatic separating brake and closing function, creepage protection function.And motor-operating mechanism and electromagnetic mechanism body Product is larger, and if desired two kinds of functions are provided simultaneously with, then it is integrally excessive to will lead to breaker volume.

Notification number be CN108364837 the automatic division gate controlling mechanism of novel small-sized breaker and breaker patent in, Disclose a kind of automatic division gate controlling mechanism of miniature circuit breaker comprising: shell, the driving motor being fixed on shell, The train of reduction gears that is rotatably arranged on shell, is spaced apart buckle releaser connecting rod, connection at the double-deck special-shaped deceleration separating brake partial gear Moving axis driving combined floodgate partial gear and be connected to universal driving shaft driving combined floodgate partial gear on handle universal driving shaft, and with sky Open the tripping driving lever of buckle releaser connecting rod cooperation, the electric leakage release electromagnet being arranged on tripping driving lever and control electric leakage tripping electromagnetism The leakage circuit plate of Tie Tong electricity realizes the multi-functional divide-shut brake control of breaker.Its electrically operated institution and electric leakage mechanism all pass through The tripping linkage structure tripping that circuit breaker internal is driven by the tripping universal driving shaft being spaced apart on buckle releaser connecting rod, realizes control.This The problem is that if electrically operated institution goes wrong, electrical leakage tripping device also just can not work normally sample.

Utility model content

In order to solve the problems, such as that electric operating mechanism of circuit-breaker and electromagnetic mechanism volume are excessive in background technique, this is practical new Type provide it is a kind of motor-operating mechanism and electrical leakage tripping device are combined together, and motor-operating mechanism and electric leakage tripping machine The mutually independent breaker of structure.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of close/open machine of breaker, packet Shell is included, the shell is connect with breaker, motor-operating mechanism and electrical leakage tripping device is equipped in the shell, in breaker The releasing structure in portion is linked by axis of traction and the motor-operating mechanism and realizes automatic, manual divide-shut brake, the electric leakage Tripping mechanism includes electric leakage dropout part, coil block, on the long axis that the electric leakage dropout part is rotatably immobilized in the shell, institute It states electric leakage dropout part and is equipped with return unit, under leakage condition, coil block is powered and generates magnetism, drives the electric leakage tripping Part is rotated around the long axis, and described electric leakage dropout part one end drives the axis of traction that circuit breaker internal releasing structure is made to thread off, The other end drives the return unit, and the return unit pop-up is made to be located at instruction electric leakage position.

The return unit is equipped with extension, and the extension is equipped with card slot, and the electric leakage dropout part is equipped with and institute The strip of card slot clamping engagement is stated, the electric leakage dropout part around long axis rotation there is the strip to be caught in the card slot The second position of the strip and the exact separation under first position and leakage condition.

The return unit is equipped with the groove that Open Side Down, is equipped with elastic component in the groove, the electric leakage dropout part is located at When the first position, the elastic component keeps compressive state, when the electric leakage dropout part is located at the second position, the return unit By the elastic force effect pop-up shell of the elastic component.

The return unit bottom is equipped with inclined-plane, and the electric leakage dropout part is by being maintained at described with inclined-plane limit cooperation The second position.

Breaker includes at least one list P breaker, and the shell two sides of the list P breaker are equipped with the first via hole and second Via hole, the axis of traction in the list P breaker pass through first via hole and are linked with close/open machine, and the list P is breaking The handle universal driving shaft of device passes through second via hole and is linked with the motor-operating mechanism in close/open machine.

Pass through axis of traction and hand at first via hole and second via hole between more than two list P breakers Handle universal driving shaft is connected.Multiple list P breaker linkage connections, can be desirably combined into 2P, 3P, 4P breaker；

The mounting portion for fixing circuit board is equipped in the pedestal of the list P breaker.

Clamshell is equipped with below breaker, the clamshell is equipped with Wiring port, and the clamshell has connecing single P breaker The accommodating cavity that line mouth surrounds, the accommodating cavity is interior to be equipped with magnetic core.

The beneficial effects of the utility model are: a kind of close/open machine of breaker of the utility model is set simultaneously in shell There are motor-operating mechanism and electrical leakage tripping device, separating brake, the shutting-brake control function of breaker realized by opening/closing operation mechanism, Creepage protection function is realized by electrical leakage tripping device, provides multi-functional divide-shut brake control for breaker；

The electrical leakage tripping device of the utility model is equipped with return unit, and under drain conditions, electrical leakage tripping device drives traction While axis acts the releasing structure in breaker, electric leakage instruction instruction is made in return unit pop-up；

The electric leakage instruction function and motor-operating mechanism of the utility model are mutually indepedent, jump if it is due to other reasons Lock, reset button remain stationary, if motor-operating mechanism breaks down, electric leakage instruction function can be worked normally；It is needed after electric leakage After manually return unit is resetted, breaker could close a floodgate reset, design manual reset control function, prevent wrong combined floodgate, reliably Property is higher.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the close/open machine of the utility model embodiment.

Fig. 2 is the structural schematic diagram of the electrical leakage tripping device of the utility model embodiment.

Fig. 3 is the local exploded-view of the utility model embodiment.

Fig. 4 is the return unit structural schematic diagram of the utility model embodiment.

Fig. 5 is the utility model embodiment 4P breaker overall structure diagram.

Fig. 6 is the first via hole and the second via hole position view of single P breaker of the utility model embodiment.

Fig. 7 is the circuit board installation portion structure schematic diagram of single P breaker of the utility model embodiment.

Fig. 8 is the clamshell schematic diagram of internal structure of the utility model embodiment.

Specific embodiment

The utility model embodiment is described further with reference to the accompanying drawing:

In the utility model embodiment, a kind of close/open machine of breaker, including shell 1, the shell 1 and breaker It connects, motor-operating mechanism and electrical leakage tripping device is equipped in the shell 1, the releasing structure of circuit breaker internal passes through axis of traction 2 are linked with the motor-operating mechanism realizes automatic, manual divide-shut brake.

In the present embodiment, the motor-operating mechanism includes driving motor 12, driving gear set, sector gear 13 and tripping Part 14, driving motor 12 carry out power transmitting by driving gear set, and dropout part 14 is driven to control circuit breaker internal tripping of ining succession The axis of traction 2 of structure, and sector gear 13 is driven to rotate back and forth between sub-gate position and closing position, to control handle linkage Axis 104 realizes automatic divide-shut brake；The electrical leakage tripping device includes electric leakage dropout part 3, coil block 4, and coil block includes line Ring framework 401 is covered in the iron core 402 in coil rack 401 and the electric leakage coil 403 being wound on coil rack 401, the electric leakage Dropout part 3 is immobilized in the shell and can rotate around long axis 5, and the electric leakage dropout part 3 is equipped with return unit 6, under leakage condition, Coil block 4 is electrified and generates magnetism, drives the electric leakage dropout part 3 to rotate around the long axis 5, the electric leakage dropout part 3 One end drives the axis of traction 2 that circuit breaker internal releasing structure is made to thread off, and the other end drives the return unit 6, makes described multiple Position part 6 pops up shell 1 and is located at instruction electric leakage position, plays electric leakage indicative function.

In the present embodiment, extension 7 is equipped on the return unit, the extension 7 is equipped with card slot 8, the electric leakage Dropout part 3 is equipped with the strip 9 being engaged by clamping with the card slot 8, and the electric leakage dropout part 3, which rotates to have around the long axis 5, to be made First position that the strip 9 is caught in the card slot 8 and make that the strip 9 separates with the card slot 8 under leakage condition Two positions, the return unit 6 are equipped with the groove 10 that Open Side Down, are equipped with elastic component, the electric leakage dropout part 3 in the groove 10 When positioned at the first position, elastic component keep compressive state, when the electric leakage dropout part 3 is located at the second position, return unit 6 by The elastic force effect pop-up shell of elastic component.6 bottom of return unit is equipped with inclined-plane 11, and the electric leakage dropout part and the inclined-plane limit Position cooperation is maintained at the second position.I.e. under first position, electric leakage dropout part 3 plays position-limiting action to return unit 6, makes return unit 6 maintain pressed status, and breaker is normal at this time；Under the second position, electric leakage dropout part 3 liberates return unit 6, return unit after acting 6 pop-ups, drain conditions occur for breaker at this time, and return unit 6 plays indicative function.

After drain conditions exclusion, return unit 6 needs manually to push, and dropout part of leaking electricity at this time is just capable of resetting and makes axis of traction It resets, the reset so that breaker could close a floodgate can prevent wrong combined floodgate, and reliability is higher.

The breaker of the utility model includes at least one list P breaker 101, the shell two sides of the list P breaker 101 Equipped with the first via hole 102 and the second via hole 103, the releasing structure in the list P breaker 101 is controlled by axis of traction 2, axis of traction 2 pass through first via hole 102 and protrude into shell 1 and are linked with close/open machine, and the handle of the list P breaker links Axis 104 passes through second via hole and protrudes into shell 1 and is linked with the motor-operating mechanism in close/open machine.

Axis of traction 2 and handle universal driving shaft 104 between multiple list P breakers may be combined, by single P breaker according to It needs to be combined into circuit breaker multiple levels.

The mounting portion 105 for fixing circuit board is equipped in the pedestal 107 of the list P breaker 101, circuit board can be in list It easily installs, dismantle in P breaker 101, flexible setting as needed.

Clamshell 106 is equipped with below breaker, the clamshell 106 has the accommodating cavity for surrounding the connection jaws of single P breaker 108, magnetic core 109 is equipped in the accommodating cavity 108, the magnetic core 109 being arranged in accommodating cavity facilitates zero curve connecing from clamshell 106 Enter on line end mouth 107 and then picked out by magnetic core 109, will not influence the structure of circuit breaker internal, it is practical new to be more applicable in this The combining form of multiple independent list P breakers of type.

The close/open machine of the utility model is equipped with motor-operating mechanism and electrical leakage tripping device simultaneously in shell, passes through Opening/closing operation mechanism realizes the separating brake of breaker, shutting-brake control function, realizes creepage protection function by electrical leakage tripping device, It reduces the volume of breaker and makes the breaker of the utility model that there is multi-functional control；

The breaker of the utility model use a kind of list P breaker, by multiple list P breakers be desirably combined into 2P, The breaker of 3P, 4P, use is more flexible, and application scenarios are wider；

The return unit of the electrical leakage tripping device of the utility model can make instruction when leaking electricity tripping, and return unit with it is electronic Operating mechanism is mutually indepedent in structure, if motor-operating mechanism breaks down, electric leakage instruction function can be worked normally, reliability It is high；

The utility model needs that return unit is manually pressed reset after tripping, and the tripping mechanism of breaker, which is just capable of resetting, to be made Normal operation of circuit breaker, designs manual reset control function, and reliability is higher.

Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all be included in this specially In sharp scope of patent protection.

Claims (8)

1. the breaker that a kind of automatic close/open machine and electrical leakage tripping device are integrated, including shell (1), it is characterised in that: Motor-operating mechanism and electrical leakage tripping device are equipped in the shell (1), the releasing structure of circuit breaker internal passes through axis of traction (2) It is linked with the motor-operating mechanism and realizes automatic, manual divide-shut brake, the electrical leakage tripping device includes electric leakage dropout part (3), coil block (4), the electric leakage dropout part (3) are immobilized in the shell and can rotate around long axis (5), the electric leakage dropout part (3) return unit (6) are equipped with, under leakage condition, coil block (4) is powered and generates magnetism, drives the electric leakage dropout part (3) it is rotated around the long axis (5), the electric leakage dropout part (3) one end pushes the axis of traction (2) to make circuit breaker internal tripping knot Structure tripping, the other end drive the return unit (6), and the return unit (6) is made to pop up shell.

2. the breaker that a kind of automatic close/open machine according to claim 1 and electrical leakage tripping device are integrated, special Sign is: the return unit (6) is equipped with extension (7), and the extension (7) is equipped with card slot (8), the electric leakage dropout part (3) it is equipped with the strip (9) being engaged by clamping with the card slot (8), the electric leakage dropout part (3) rotates around the long axis (5) to be had There is the first state for being caught in the strip (9) in the card slot (8) and makes the strip (9) and the card slot under leakage condition (8) the second state separated.

3. the breaker that a kind of automatic close/open machine according to claim 2 and electrical leakage tripping device are integrated, special Sign is: the return unit (6) is equipped with the groove (10) that Open Side Down, is equipped with elastic component, the electric leakage in the groove (10) In said first condition, the elastic component keeps compressive state to dropout part (3)；The electric leakage dropout part (3) is described second Under state, elastic force effect pop-up shell (1) of the return unit (6) by the elastic component.

4. the breaker that a kind of automatic close/open machine according to claim 1 or 2 and electrical leakage tripping device are integrated, Be characterized in that: return unit (6) bottom is equipped with inclined-plane (11).

5. the breaker that a kind of automatic close/open machine according to claim 1,2 or 3 and electrical leakage tripping device are integrated, It is characterized by comprising at least one list P breaker (101), the shell two sides of the list P breaker (101) are equipped with the first mistake Hole (102) and the second via hole (103), the releasing structure in single P breaker (101) are towed axis (2) control, and axis of traction (2) is worn It crosses first via hole (102) and protrudes into shell (1) and be linked with close/open machine, the handle connection of single P breaker (101) Moving axis (104) passes through second via hole (103) and protrudes into shell (1) and links with the motor-operating mechanism in close/open machine Cooperation.

6. the breaker that a kind of automatic close/open machine according to claim 5 and electrical leakage tripping device are integrated, special Sign is: the axis of traction (2) and handle universal driving shaft (104) of single P breaker (101) can respectively with another list P breaker (101) Axis of traction (2) and handle universal driving shaft (104) be connected.

7. the breaker that a kind of automatic close/open machine according to claim 5 and electrical leakage tripping device are integrated, special Sign is: the mounting portion (105) for fixing circuit board is equipped in the pedestal of the list P breaker (101).

8. the breaker that a kind of automatic close/open machine according to claim 5 and electrical leakage tripping device are integrated, special Sign is: being equipped with clamshell (106) below breaker, the clamshell is equipped with Wiring port (107), and the clamshell (106) has The accommodating cavity (108) that the connection jaws of single P breaker are surrounded is equipped with magnetic core (109) in the accommodating cavity.