CN107393770B - A kind of leakage circuit breakers - Google Patents
A kind of leakage circuit breakers Download PDFInfo
- Publication number
- CN107393770B CN107393770B CN201710735804.XA CN201710735804A CN107393770B CN 107393770 B CN107393770 B CN 107393770B CN 201710735804 A CN201710735804 A CN 201710735804A CN 107393770 B CN107393770 B CN 107393770B
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- pole
- moving contact
- spring
- pedestal
- push rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 97
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000008094 contradictory effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Landscapes
- Breakers (AREA)
Abstract
The present invention relates to a kind of leakage circuit breakers, particularly relate to the compact leakage circuit breakers of reasonable in internal structure.The technical solution adopted by the present invention is that: a kind of leakage circuit breakers, it is characterized by: on the middle seat and being located at the arc-extinguishing mechanism of the pole L into recess setting, the pole L arc-extinguishing mechanism is arranged in the recess, testing press device includes button, torsional spring, conductive sheet and loose piece, torsional spring includes the first adjutage and the second adjutage, torsional spring is arranged on the pin shaft of pedestal, first adjutage of torsional spring is placed in below button, and it realizes the contact swung up and down realize with conductive sheet with the pressing of button or disconnects and cooperate, shoulder rank is provided on the upper surface, one collision arm of the handle torsional spring of handle operation mechanism contradicts on the shoulder rank, by using above scheme, the present invention provides a kind of internal space layout is reasonable, it is compact-sized, mechanism kinematic is flexible, the fast novel leakage circuit breakers of breaking speed.
Description
Technical field
The present invention relates to a kind of leakage circuit breakers, particularly relate to the compact leakage circuit breakers of reasonable in internal structure.
Background technique
Leakage circuit breakers is typically provided with magnetictrip, thermal trip, leakage tripping device, operating mechanism, arc extinguishing channel
And arc quenching system, general leakage circuit breakers are to increase board space by lengthening or add wide way on the basis of breaker
Or leakage tripping device space, cause small product size big, at high cost, installation cost is high, assembles the disadvantages of distribution box volume is big, usually
Leakage circuit breakers its internal space layout, generally in the following ways, the pole L, the pole N moving contact is separately fixed at the pole L, the pole N
On moving contact rack, then the two sides of lever are arranged in the pole L, the pole N moving contact rack, and lock and tripping are also disposed on lever,
Organization volume is big at this time, and mechanism kinematic is not flexible, and breaking speed is slow, and the pole L, the pole N moving contact are located at the two sides of middle seat, because of L
The two sides of lever are arranged in pole, the pole N moving contact rack, and the pole mechanism section L cannot be isolated with the pole N, when disjunction high current electric arc and
Gaseous conductor, which is easy short circuit, which causes product to burst, makes product disjunction fail.And there are the risk of pressure resistance breakdown after disjunction, and L
Pole arc-chutes are smaller, and N is extremely generally not provided with arc-chutes, therefore product breaking capacity is low, is not able to satisfy user usage requirements.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of internal space layout is reasonable, compact-sized, mechanism
Movement is flexible, the fast novel leakage circuit breakers of breaking speed.
Realize above-mentioned purpose, the technical solution adopted by the present invention is that: a kind of leakage circuit breakers, include pedestal, middle seat and
Upper cover, middle seat are wherein the first installation space between pedestal and middle seat, are between middle seat and upper cover between pedestal and upper cover
Second installation space is third installation space between pedestal and upper cover, and moving contact behaviour in the pole N is provided in first installation space
Make mechanism and the pole N arc-extinguishing mechanism, the pole L moving contact operating mechanism, the pole L arc-extinguishing mechanism and double are provided in second installation space
Metal dropout mechanism is provided with electric leakage magnet ring and electric leakage, short-circuit tripping mechanism and handle operation machine in the third installation space
Structure, it is characterised in that: on the middle seat and be located at the arc-extinguishing mechanism of the pole L into recess setting, the pole L arc-extinguishing mechanism is arranged in the recess
Place, the handle operation mechanism side are provided with test press device, and test press device includes button, torsional spring, conductive sheet
And loose piece, torsional spring include the first adjutage and the second adjutage, torsional spring is arranged on the pin shaft of pedestal, and the first of torsional spring extends
Arm is placed in below button, and is realized the contact swung up and down realize with conductive sheet with the pressing of button or disconnected and cooperate, institute
It states loose piece to be set on the base by axis, loose piece includes upper side, downside, bottom surface, upper surface, left side and right side
Face, the upper side, downside contradict with the side of pedestal respectively or close to settings, and the left side height is arranged there are two face,
One of face and the side of pedestal contradict or contradict or realize close to setting to conductive sheet close to setting, another face and conductive sheet
Limit, shoulder rank is provided on the upper surface, a collision arm of the handle torsional spring of handle operation mechanism contradicts on the shoulder rank,
It is provided with positive stop lug boss on the bottom surface, the conflict foot of the positive stop lug boss and button is correspondingly arranged the lower pressure amplitude of limit button
Degree.
By using above scheme, we keep the breaker structure simple, rationally distributed, are in particular in two layers of breaker
The function of the pole L arc-extinguishing mechanism is had no effect on after layout, test press device uses aforesaid way, only passes through one component reality of loose piece
Show many functions, such as the limit of button, the positioning of conductive sheet, the conflict of handle torsional spring, it is described to make entire open circuit in this way
Mechanism inside device enormously simplifies.
The further setting of the present invention is: being additionally provided with electricity-fetching mechanism, electricity-fetching mechanism packet in the side of handle operation mechanism
The push rod for taking electric column or electrical spring and sliding being taken to be set on the base is included, one end of the push rod and the pole N moving contact operate machine
Second adjutage of the hinged swinging end cooperation of the moving contact of structure, the other end and torsional spring, which contradicts, to be cooperated, described to take electric column or take electric bullet
Spring is electrically connected with the pole the L moving contact of the pole L moving contact operating mechanism, when the pole the N switch on of moving contact of the pole N moving contact operating mechanism,
Second adjutage push push rod it is mobile realize the second adjutage with take electric column or electrical spring taken to be electrically connected, when the operation of the pole N moving contact
When the pole the N moving contact separating brake of mechanism, the hinged swinging end of the pole N moving contact pushes push rod mobile, and push rod pushes the second adjutage pendulum
It is dynamic to realize the second adjutage and take electric column or electrical spring is taken to disconnect.
Electricity is taken by using aforesaid way, we can be realized very well by the cooperation of the pole N moving contact, push rod and torsional spring and be turned round
Spring takes electricity, and concrete principle is, when the pole L switch on of moving contact, the second adjutage push push rod it is mobile realize the second adjutage with
It takes electric column or electrical spring is taken to be electrically connected, the electricity on the moving contact of such pole L can be by taking electric column or electrical spring being taken to be transmitted to torsion
On spring, when the pole N moving contact separating brake, the hinged swinging end of the pole N moving contact pushes push rod mobile, and push rod pushes the second adjutage pendulum
Dynamic to realize the second adjutage and take electric column or electrical spring is taken to disconnect, for torsional spring with regard to not charged, that we need to declare here is L extremely dynamic
Contact and being opened or closed for the pole N moving contact are to be mutually related.
The further setting of the present invention is: the pole the L moving contact operating mechanism includes the pole L moving contact, tripping, L extremely dynamic
Contact supporting, latch spring, lock and the first tension spring, wherein the pole L moving contact is fixed on moving contact rack, the extremely dynamic touching of L
It is provided with long through-hole on head bracket, is provided with pin shaft in long through-hole, the both ends of the pin shaft are arranged on middle seat and upper lid, and described the
One tension spring one end is connected on the moving contact rack of the pole L, and is located at the top of long through-hole with the tie point of the pole L moving contact rack, the
The other end of one tension spring is fixedly connected on middle seat or pedestal, and the upper end of the pole L moving contact rack is hingedly arranged in the tripping, is jumped
It is connected between button and the handle of handle operation mechanism by first connecting rod, is slidingly connected in the middle part of the lock by the through-hole being arranged
On pin shaft, lock top, which is extended, the conflict foot that cooperation limitation tripping rotation can be contradicted with tripping, below the lock
It is provided with and pushes foot and resetting pin, wherein foot and the push rod of electric leakage, short-circuit tripping mechanism is pushed to be correspondingly arranged, the resetting pin
Top end part is provided with spring base, and the pole the N moving contact operating mechanism includes the pole N moving contact, the second tension spring, connecting shaft and conflict
Pin, the connecting shaft are placed in the long hole above middle seat, and connecting shaft is connected in the moving contact of the pole N and consolidates with the pole L moving contact rack
To determine grafting, arc resistance surface is provided in the middle part of the moving contact of the pole N, the conflict pin is arranged between middle seat and pedestal, and with
Arc resistance surface is correspondingly arranged, and connecting hole or connection boss, the second tension spring one are provided with above the arc resistance surface of the pole N moving contact
End is connected on connecting hole or connection boss, and the other end is connected on middle seat or pedestal, and the pole the N moving contact lower end is contact.
By using above scheme, which when something goes wrong or can make N in the pole L moving contact operating mechanism very well
Pole moving contact disconnects, and meets the needs of special occasions in this way, wherein the pole N moving contact operating mechanism includes the pole N moving contact, second
Tension spring, connecting shaft and the plan of establishment for contradicting pin can realize the excess of stroke function of the pole N moving contact by the second tension spring in this way, make
Contact effect is more preferable, and in addition the pole N moving contact operating mechanism is before the pole L moving contact operating mechanism closure in the present embodiment
Closure disconnects after disconnecting, these movements in the field be also it is conventional, it is described herein we be just not described in detail.
The further setting of the present invention is: it is described to take electric column or selection is taken between electrical spring to take electrical spring, on the pedestal
It is provided with socket pillar, described that electrical spring is taken to be set on socket pillar, the spring ring for taking electrical spring lower end is close to setting
Non-resilient end is formed, takes the spring ring of electrical spring upper end to unclamp setting and forms elastic tip, the elastic tip for taking electrical spring is socketed
On socket pillar, takes the upper end elastic tip of electrical spring to contradict connection formation with the first tension spring and be electrically connected, the second of the torsional spring
Adjutage is correspondingly arranged with non-resilient end.
By using above scheme, we can be very good to take electrical spring realization to take electricity using such, wherein under
End is closed up for non-resilient end, and such second adjutage contacts can be relatively good, and the upper end is elastic tip, and such first tension spring exists
Stuck phenomenon will not occur with electrical spring is taken when mobile.
The further setting of the present invention is: the button is set on the base and is located at the handle side of handle operation mechanism
Side, button include press head, baffle and contradict foot, and wherein baffle plate setting is in the lower end of press head, and the button is close to pedestal
Medial surface setting, a side of baffle and the side of press head, which maintain an equal level, to be arranged, and press head pair is protruded in its excess-three side of baffle
Side is answered to be arranged, the part of baffle protrusion press head, which is formed, blocks boss, card slot is provided on the conflict foot, the first of torsional spring prolongs
Semi-girder is placed in card slot, and the loose piece is provided with through-hole at downside, and loose piece is socketed by the axis on the through-hole and pedestal,
The right side of the loose piece is arranged to the cambered surface being adapted to the arm pivot post of handle operation mechanism.
By using above scheme, the setting position of button facilitates operation, will not realize and injure to operator, button is adopted
Structure in fashion described above can be very good to protect operator, most obvious one be can be very good increase climb electricity away from
From greatly increasing degree of protection, the setting of card slot can carry out good detent to the first adjutage.
The further setting of the present invention is: described push rod one end is provided with the first shoulder rank, the first shoulder rank with it is convex on pedestal
An accommodating cavity is formed between muscle, the first adjutage of the torsional spring contradicts the pole the N moving contact operating mechanism in accommodating cavity
The pole N moving contact hinged swinging end on be provided with protrusion, the cooperation of the protrusion and the push rod other end can push push rod to slide, described
Sliding slot is provided on pedestal, the push rod is placed in sliding slot, hingedly swings end setting on the push rod and positioned at the pole N moving contact
There is the second shoulder rank, is provided with positive stop lug boss on the sliding slot.
By using above scheme, the movement of push rod is limited, can be very good protection moving contact and torsional spring.
The invention will be further described below in conjunction with the accompanying drawings.
Detailed description of the invention
Fig. 1 is the perspective view of the embodiment of the present invention;
Fig. 2 is that the embodiment of the present invention removes the internal structure chart after upper cover;
Fig. 3 is the internal structure chart that the embodiment of the present invention removes separating brake after pedestal;
Fig. 4 is that the embodiment of the present invention removes the internal structure chart to close a floodgate after pedestal;
Fig. 5 is the structure chart of seat in the embodiment of the present invention;
Fig. 6 is the perspective view that the embodiment of the present invention reflects button position;
Fig. 7 is the structure chart that the embodiment of the present invention reflects loose piece;
Fig. 8 is the matching chart of button of the embodiment of the present invention and torsional spring;
Fig. 9 is the structure chart of pedestal of the embodiment of the present invention;
Figure 10 is the structure chart of push rod of the embodiment of the present invention;
Figure 11 is the structure chart that the embodiment of the present invention takes electrical spring;
Figure 12 is the cross-sectional view that the embodiment of the present invention reflects accommodating cavity.
Specific embodiment
As shown in Fig. 1-Figure 12, a kind of leakage circuit breakers includes pedestal 1, middle seat 2 and upper cover 3, and middle seat 2 is located at pedestal
It is wherein the first installation space A between pedestal 1 and middle seat 2 between 1 and upper cover 3, it is empty for the second installation between middle seat 2 and upper cover 3
Between B, be third installation space C between pedestal 1 and upper cover 3, here between refer to the opposite space of two components, described first
It is provided with the pole the N pole moving contact operating mechanism A1 and N arc-extinguishing mechanism A2 in installation space A, is provided in the second installation space B
It is provided in the pole the L pole moving contact operating mechanism B1, L arc-extinguishing mechanism B2 and bimetallic tripping mechanism B3, the third installation space C
Leak electricity magnet ring C1 and electric leakage, short circuit tripping mechanism C2 and handle operation mechanism C3, and above-mentioned this mechanism is in existing breaker
And it is common, it is described to be just not described in detail in the present embodiment, it goes out in the present embodiment kind, the middle seat 2 and positioned at the pole L
It is arranged at arc mechanism B2 at recess 21, the pole L arc-extinguishing mechanism B2 is arranged at the recess 21, and the side the handle operation mechanism C3 is set
It is equipped with test press device 4, test press device 4 includes button 41, torsional spring 42, conductive sheet 43 and loose piece 44, and torsional spring 42 wraps
The first adjutage 421 and the second adjutage 422 have been included, torsional spring 42 is arranged on the boss or pin shaft of pedestal 1, and the first of torsional spring 42
Adjutage 421 is placed in 41 lower section of button, and swings up and down to realize and the contact of conductive sheet 43 with the pressing of button 41 realization
Or cooperation is disconnected, the loose piece 44 is arranged on pedestal 1 by axis, and loose piece 44 includes upper side 441, downside 442, bottom
Face 443, upper surface 444, left side 445 and right side 446, the upper side 441, side of the downside 442 respectively with pedestal 1 are supported
Touching or close to setting, here while can be periphery while be also possible to the sides of internal convex ribs, the high low setting in the left side 445
There are two face, the side of one of face 4451 and pedestal 1 contradicts or close to setting, another face 4452 and conductive sheet 43 contradict or
The limit to conductive sheet 43 is realized close to setting, is provided with shoulder rank 4441, the hand of handle operation mechanism C3 on the upper surface 444
A collision arm C311 of handle torsional spring C31 is contradicted on the shoulder rank 4441, and another collision arm C312 of handle torsional spring C31 is contradicted in handle
Slot in, be provided with positive stop lug boss 4431 on the bottom surface 443, the positive stop lug boss 4431 is corresponding with the conflict foot of button 41 to be set
Set the pushing amplitude of limit button 41.Using the above scheme, we keep the breaker structure simple, rationally distributed, specific manifestation
The function of the pole L arc-extinguishing mechanism B2 is had no effect on after two layers of breaker layout, test press device 4 uses aforesaid way, only logical
It crosses 44 1 components of loose piece and solves many functions, as the limit function of button 41, the positioning function of conductive sheet 43, handle are turned round
Conflict function of spring C31 etc., the mechanism for making entire circuit breaker internal in this way enormously simplify.
In embodiments of the present invention, it is additionally provided with electricity-fetching mechanism 5 in the side of handle operation mechanism C3, electricity-fetching mechanism 5 wraps
Include the push rod 52 for taking electric column or electrical spring 51 and sliding being taken to be arranged on pedestal 1, one end of the push rod 52 and the pole N moving contact
Second adjutage 422 of the hinged swinging end cooperation of the moving contact of operating mechanism A1, the other end and torsional spring 42, which contradicts, to be cooperated, described to take
Electric column takes electrical spring 51 and the pole the L moving contact of the pole L moving contact operating mechanism B1 to be electrically connected, as the pole N moving contact operating mechanism A1
The pole N switch on of moving contact when, the second adjutage 422 pushes push rod 52 is mobile to realize the second adjutage 422 and take electric column or take electricity
Spring 51 is electrically connected, and when the pole the N moving contact separating brake of the pole N moving contact operation machine A1 structure, the hinged swinging end of the pole N moving contact is pushed
Push rod 52 is mobile, and push rod 52 pushes the second adjutage 422 to swing and realizes the second adjutage 422 and take electric column or take electrical spring 51 disconnected
It opens;Electricity is taken using aforesaid way, we can realize torsional spring 42 by the cooperation of the pole N moving contact, push rod 52 and torsional spring 42 very well
Take electricity, concrete principle is, when the pole L moving contact B11 closes a floodgate, the second adjutage 422 pushes push rod 52 is mobile to realize that second prolongs
Semi-girder 422 with take electric column or electrical spring 51 taken to be electrically connected, the electricity on the moving contact of such pole L can be by taking electric column or taking electric bullet
Spring 51 is transmitted on torsional spring 42, and when the pole N moving contact separating brake, the hinged swinging end A111 of the pole N moving contact A11 pushes push rod 52 to move
Dynamic, push rod 52 pushes the second adjutage 422 to swing and realizes the second adjutage 422 and take electric column or electrical spring 51 is taken to disconnect, torsional spring
42 is just not charged, and what we needed to declare here is the pole L moving contact and being opened or closed for the pole N moving contact is to be mutually related,
Here then push button 41 can be such that the first adjutage 421 contacts with conductive sheet 43 for the drive of torsional spring 42, so that conductive sheet 43 be made to have
Electricity can be such that the circuit contacted with conductive sheet 43 is tested.
In embodiments of the present invention, the pole the L moving contact operating mechanism B1 includes the pole L moving contact B11, tripping B12, L
Pole moving contact rack B13, latch spring B14, lock B15 and the first tension spring B16, wherein the pole L moving contact B11 is fixed at dynamic
On contact supporting B13, it is provided with long through-hole on the moving contact rack B13 of the pole L, is provided with pin shaft in long through-hole, the both ends of the pin shaft
It is arranged on middle seat 2 and upper cover 1, described one end first tension spring B16 is connected on the moving contact rack B13 of the pole L, and extremely moves touching with L
The tie point of head bracket B13 is located at the top of long through-hole, and the other end of the first tension spring B16 is fixedly connected on middle seat 2 or pedestal 1
On, the upper end of the pole L moving contact rack B13, the handle of tripping B12 and handle operation mechanism C3 is hingedly arranged in the tripping B12
Between by first connecting rod connect, it is described lock B15 in the middle part of by setting through-hole be movably set on pin shaft, lock B15 on
Side, which is extended, the conflict foot that cooperation limitation tripping B12 rotation can be contradicted with tripping B12, is provided with below the lock B15
Foot B151 and resetting pin B152 is pushed, wherein foot B151 and the push rod of electric leakage, short-circuit tripping mechanism C2 is pushed to be correspondingly arranged, it is described
The top end part of resetting pin B152 is provided with spring base B1521, and the pole the N moving contact operating mechanism A1 includes the pole N moving contact
A14 is sold in A11, the second tension spring A12, connecting shaft A13 and conflict, and the connecting shaft A13 is placed in the long hole of middle 2 top of seat, connection
Axis A13 is connected in the moving contact A11 of the pole N and fixes grafting with the pole L moving contact rack B13, sets in the middle part of the pole the N moving contact A11
It is equipped with arc resistance surface, the conflict pin A14 setting is correspondingly arranged between middle seat 2 and pedestal 1, and with arc resistance surface, the pole N
Be provided with connecting hole or connection boss above the arc resistance surface of moving contact A11, second one end tension spring A12 be connected to connecting hole or
It connects on boss, the other end is connected on middle seat 2 or pedestal 1, and the pole the N lower end moving contact A11 is contact, using above-mentioned side
Case, the product can very well the pole L moving contact operating mechanism B1 when something goes wrong and also make the pole N moving contact A11 disconnect, in this way
Meet the needs of special occasions, wherein the pole N moving contact operating mechanism A1 includes the pole N moving contact A11, the second tension spring A12, connection
Axis A13 and the plan of establishment for contradicting pin A14 can realize the excess of stroke function of the pole N moving contact A11 by the second tension spring A12 in this way,
Keep contact effect more preferable, in addition the pole N moving contact operating mechanism A1 is closed in the pole L moving contact operating mechanism B1 in the present embodiment
Be closed before closing, disconnected after disconnecting, these movements in the field be also it is conventional, it is described herein we be just not described in detail
.
In embodiments of the present invention, described to take electric column or selection is taken between electrical spring 51 to take electrical spring 51, on the pedestal 1
It is provided with socket pillar 11, described that electrical spring 51 is taken to be set on socket pillar 11, the spring ring for taking 51 lower end of electrical spring
Non-resilient end 511 is formed close to setting, takes the spring ring of 51 upper end of electrical spring to unclamp setting and forms elastic tip 512, it is described to take electricity
The non-resilient end 511 of spring 51 is socketed on socket pillar 11, takes the upper end elastic tip 512 and the first tension spring B16 of electrical spring 51
It contradicts connection and forms electrical connection, the second adjutage 422 and the non-resilient end 511 of the torsional spring 42 are correspondingly arranged.Using above-mentioned side
Case, we can be very good to take the realization of electrical spring 51 to take electricity using such, and wherein lower end is closed up for non-resilient end 511,
Such second adjutage 422 contacts can be relatively good, and the upper end is elastic tip 512, and such first tension spring B16 is when mobile
Waiting will not occur blocking or break-off with electrical spring 51 is taken, we can also be not provided with taking electrical spring 51 certainly, and directly make
Metal tube.
In embodiments of the present invention, the button is set on the base and is located at the handle side of handle operation mechanism C3,
Button 41 includes press head 411, baffle 412 and contradicts foot 413, and wherein the lower end of press head 411, institute is arranged in baffle 412
It states button 41 to be arranged close to 1 medial surface of pedestal, the fair setting of a side of baffle 412 and the side of press head 411, baffle 412
Its excess-three side protrude 411 corresponding sides of press head setting, baffle 412 protrude press head 411 part formed blocks boss,
Card slot 4131 is provided on the conflict foot 413, the first adjutage 421 of torsional spring 42 is placed in card slot 4131, the loose piece 44
Through-hole is provided at downside 442, loose piece 44 is socketed by the axis on the through-hole and pedestal 1, the right side of the loose piece 44
Face 446 is arranged to the cambered surface being adapted to the arm pivot post of handle operation mechanism C3;Using the above scheme, the setting position of button 41
Facilitate operation, operator will not be realized and be injured, button can be very good to carry out operator using the structure of aforesaid way
Protection, most obvious one are to can be very good to increase creepage distance, greatly increase degree of protection, and the setting of card slot can be with
Good detent is carried out to the first adjutage.
In embodiments of the present invention, described 52 one end of push rod is provided with the first shoulder rank 521, the first shoulder rank 521 on pedestal 1
Convex ribs between form an accommodating cavity 522, the first adjutage 421 of the torsional spring 42 contradicts the N in accommodating cavity 522
It is provided with raised A111 on the hinged swinging end of the pole the N moving contact A11 of pole moving contact operating mechanism A1, protrusion A111 and push rod
The cooperation of 52 other ends 523 can push push rod 52 to slide, and be provided with sliding slot 12 on the pedestal 1, the push rod 52 is placed in sliding slot 12
In, end is swung on the push rod 52 and hingedly positioned at the pole N moving contact and be provided with the second shoulder rank 524, be arranged on the sliding slot 12
There is positive stop lug boss, in this way limited the movement of push rod 52, can be very good the protection pole N moving contact A1 and torsional spring 42.
Above-described embodiment is only used for illustrating design of the invention, rather than the restriction to rights protection of the present invention, all benefits
It is made a non-material change to the present invention with this design, protection scope of the present invention should all be fallen into.
Claims (7)
- Include pedestal, middle seat and upper cover 1. a kind of leakage circuit breakers, middle seat between pedestal and upper cover, wherein pedestal with It is the first installation space between middle seat, is the second installation space between middle seat and upper cover, is installed between pedestal and upper cover for third Space is provided with the pole N moving contact operating mechanism and the pole N arc-extinguishing mechanism, second installation space in first installation space In be provided with the pole L moving contact operating mechanism, the pole L arc-extinguishing mechanism and bimetallic tripping mechanism, be arranged in the third installation space There are electric leakage magnet ring and electric leakage, short-circuit tripping mechanism and handle operation mechanism, it is characterised in that: go out on the middle seat and positioned at the pole L At arc mechanism at recess be arranged, the pole L arc-extinguishing mechanism be arranged in the recess, the handle operation mechanism side be provided with test by Pressure device, test press device includes button, torsional spring, conductive sheet and loose piece, and torsional spring includes that the first adjutage and second prolong Semi-girder, torsional spring are arranged on the pin shaft of pedestal, and the first adjutage of torsional spring is placed in below button, and realize with the pressing of button Lower swing is to realize the contact with conductive sheet or disconnect cooperation, and the loose piece is set on the base by axis, and loose piece includes Upper side, downside, bottom surface, upper surface, left side and right side, the upper side, downside are supported with the side of pedestal respectively It touches or close to setting, the left side height setting is there are two face, the side conflict of one of face and pedestal or close to setting, separately One face and conductive sheet contradict or realize the limit to conductive sheet close to setting, and shoulder rank, handle behaviour are provided on the upper surface The collision arm for making the handle torsional spring of mechanism contradicts on the shoulder rank, is provided with positive stop lug boss on the bottom surface, the limit convex The conflict foot of platform and button is correspondingly arranged the pushing amplitude of limit button.
- 2. leakage circuit breakers according to claim 1, it is characterised in that: be additionally provided with and take in the side of handle operation mechanism Motor structure, electricity-fetching mechanism include the push rod for taking electric column or electrical spring and sliding being taken to be set on the base, one end of the push rod Cooperate with the hinged swinging end of moving contact of the pole N moving contact operating mechanism, the second adjutage of the other end and torsional spring, which contradicts, to be cooperated, institute It states and takes electric column or electrical spring is taken to be electrically connected with the pole the L moving contact of the pole L moving contact operating mechanism, as the N of the pole N moving contact operating mechanism When the switch on of moving contact of pole, the second adjutage push push rod it is mobile realize the second adjutage with take electric column or electrical spring taken to be electrically connected, When the pole the N moving contact separating brake of the pole N moving contact operating mechanism, the hinged swinging end of the pole N moving contact pushes push rod mobile, and push rod pushes away Dynamic second extension arm swing realizes the second adjutage and takes electric column or electrical spring is taken to disconnect.
- 3. leakage circuit breakers according to claim 1 or 2, it is characterised in that: the pole L moving contact operating mechanism includes the pole L Moving contact, tripping, the pole L moving contact rack, latch spring, lock and the first tension spring, wherein the pole L moving contact is fixed at dynamic touching On head bracket, it is provided with long through-hole on the moving contact rack of the pole L, is provided with pin shaft in long through-hole, the both ends of the pin shaft are arranged in On seat and upper lid, first tension spring one end is connected on the moving contact rack of the pole L, and the connection point with the pole L moving contact rack In the top of long through-hole, the other end of the first tension spring is fixedly connected on middle seat or pedestal, and it is extremely dynamic that L is hingedly arranged in the tripping It is connected between the handle of the upper end of contact supporting, tripping and handle operation mechanism by first connecting rod, is passed through in the middle part of the lock The through-hole of setting is movably set on pin shaft, and lock top, which is extended, to be had and can contradict supporting for cooperation limitation tripping rotation with tripping Haptic element, the lock lower section, which is provided with, pushes foot and resetting pin, wherein pushing foot corresponding with electric leakage, the short-circuit push rod of tripping mechanism Setting, the top end part of the resetting pin are provided with spring base, and the pole the N moving contact operating mechanism includes the pole N moving contact, second Tension spring, connecting shaft and conflict pin, the connecting shaft are placed in the long hole above middle seat, and connecting shaft is connected in the moving contact of the pole N simultaneously With the fixed grafting of the pole L moving contact rack, moving contact middle part in the pole N is provided with arc resistance surface, and the conflict pin is arranged in It between seat and pedestal, and is correspondingly arranged with arc resistance surface, is provided with connecting hole or company above the arc resistance surface of the pole N moving contact Boss is connect, second tension spring one end is connected on connecting hole or connection boss, and the other end is connected on middle seat or pedestal, the pole N Moving contact lower end is contact.
- 4. leakage circuit breakers according to claim 2, it is characterised in that: the pole L moving contact operating mechanism includes the extremely dynamic touching of L Head, tripping, the pole L moving contact rack, latch spring, lock and the first tension spring, wherein the pole L moving contact is fixed at moving contact branch On frame, long through-hole is provided on the moving contact rack of the pole L, is provided with pin shaft in long through-hole, the setting of the both ends of the pin shaft in middle seat and On upper lid, first tension spring one end is connected on the moving contact rack of the pole L, and is located at length with the tie point of the pole L moving contact rack The top of through-hole, the other end of the first tension spring are fixedly connected on middle seat or pedestal, and the pole L moving contact is hingedly arranged in the tripping It is connected between the handle of the upper end of bracket, tripping and handle operation mechanism by first connecting rod, passes through setting in the middle part of the lock Through-hole be movably set on pin shaft, lock top be extended have can with tripping contradict cooperation limitation tripping rotation conflict Foot is provided with below the lock and pushes foot and resetting pin, wherein pushing, foot and electric leakage, short-circuit the push rod of tripping mechanism is corresponding sets It sets, the top end part of the resetting pin is provided with spring base, and the pole the N moving contact operating mechanism includes the pole N moving contact, the second drawing Spring, connecting shaft and conflict pin, the connecting shaft are placed in the long hole above middle seat, and it is extremely dynamic that connecting shaft is connected to the pole N moving contact and L The top of contact supporting, is provided with arc resistance surface in the middle part of the moving contact of the pole N, the conflicts pin be arranged middle seat and pedestal it Between, and be correspondingly arranged with arc resistance surface, connecting hole or connection boss are provided with above the arc resistance surface of the pole N moving contact, the Two tension spring one end are connected on connecting hole or connection boss, and the other end is connected on middle seat or pedestal, the pole the N moving contact lower end For contact;It is described to take electric column or selection between electrical spring is taken to take electrical spring, socket pillar is provided on the pedestal, it is described to take electricity Spring is set on socket pillar, and the spring ring for taking electrical spring lower end forms non-resilient end close to setting, takes on electrical spring The spring ring at end unclamps setting and forms elastic tip, and the elastic tip for taking electrical spring is socketed on socket pillar, takes electrical spring Upper end elastic tip contradicts connection formation with the first tension spring and is electrically connected, and the second adjutage of the torsional spring is corresponding with non-resilient end to be set It sets.
- 5. leakage circuit breakers according to claim 1 or 2, it is characterised in that: the button is set on the base and is located at The handle side of handle operation mechanism, button include press head, baffle and contradict foot, and wherein baffle plate setting is under press head End, the button are arranged close to pedestal medial surface, the fair setting of a side of baffle and the side of press head, its excess-three of baffle The setting of press head corresponding sides is protruded in side, and the part of baffle protrusion press head, which is formed, blocks boss, is arranged on the conflict foot There is card slot, the first adjutage of torsional spring is placed in card slot, and the loose piece is provided with through-hole at downside, and loose piece is logical by this Axis on hole and pedestal is socketed, and the right side of the loose piece is arranged to the cambered surface being adapted to the arm pivot post of handle operation mechanism.
- 6. leakage circuit breakers according to claim 2, it is characterised in that: described push rod one end is provided with the first shoulder rank, the An accommodating cavity is formed between convex ribs on one shoulder rank and pedestal, the first adjutage of the torsional spring contradicts the institute in accommodating cavity It states and is provided with protrusion on the hinged swinging end of the pole the N moving contact of the pole N moving contact operating mechanism, the protrusion and the push rod other end cooperate Push rod can be pushed to slide, sliding slot is provided on the pedestal, the push rod is placed in sliding slot, on the push rod and extremely dynamic positioned at N Contact hingedly swings end and is provided with the second shoulder rank, is provided with positive stop lug boss on the sliding slot.
- 7. leakage circuit breakers according to claim 4, it is characterised in that: described push rod one end is provided with the first shoulder rank, the An accommodating cavity is formed between convex ribs on one shoulder rank and pedestal, the first adjutage of the torsional spring contradicts the institute in accommodating cavity It states and is provided with protrusion on the hinged swinging end of the pole the N moving contact of the pole N moving contact operating mechanism, the protrusion and the push rod other end cooperate Push rod can be pushed to slide, sliding slot is provided on the pedestal, the push rod is placed in sliding slot, on the push rod and extremely dynamic positioned at N Contact hingedly swings end and is provided with the second shoulder rank, is provided with positive stop lug boss on the sliding slot.
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CN201710735804.XA CN107393770B (en) | 2017-08-24 | 2017-08-24 | A kind of leakage circuit breakers |
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CN201710735804.XA CN107393770B (en) | 2017-08-24 | 2017-08-24 | A kind of leakage circuit breakers |
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CN107393770B true CN107393770B (en) | 2019-11-08 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106783426B (en) * | 2017-01-13 | 2018-08-07 | 乐清市也为电气有限公司 | A kind of electric switch |
CN108122716B (en) * | 2018-01-18 | 2023-11-17 | 温州奥来电器有限公司 | Leakage circuit breaker |
CN108155068B (en) * | 2018-02-02 | 2024-01-26 | 浙江奥来电器有限公司 | Circuit breaker with disconnectable live wire and zero wire |
CN108155067B (en) * | 2018-02-02 | 2024-01-26 | 温州奥来电器有限公司 | Electric leakage circuit breaker with disconnectable live wire and zero line |
CN112530752A (en) * | 2020-12-25 | 2021-03-19 | 浙江奥来电器有限公司 | Residual current circuit breaker |
CN112863953B (en) * | 2021-01-05 | 2023-07-28 | 华通机电股份有限公司 | Asynchronous double-break contact mechanism and residual current operated circuit breaker |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN202307751U (en) * | 2011-10-21 | 2012-07-04 | 施耐德电器工业公司 | Leakage protection device and breaker |
JP5995269B2 (en) * | 2012-05-28 | 2016-09-21 | テンパール工業株式会社 | Circuit breaker |
CN106373833B (en) * | 2016-11-02 | 2018-07-24 | 乐清市也为电气有限公司 | It is a kind of can positive and negative wiring leakage circuit breakers |
CN206271623U (en) * | 2016-12-14 | 2017-06-20 | 温州奥来电器有限公司 | A kind of plug-in type RCCB |
CN106910662A (en) * | 2017-04-13 | 2017-06-30 | 乐清市也为电气有限公司 | A kind of breaker |
CN207134306U (en) * | 2017-08-24 | 2018-03-23 | 乐清市也为电气有限公司 | A kind of RCCB |
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Effective date of registration: 20230519 Address after: Chuanliao Town Chiyan Village, Qingtian County, Lishui City, Zhejiang Province, 325100 Patentee after: Zhejiang Aolai Electrical Appliance Co.,Ltd. Address before: Donghuangyu Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, 325000 Patentee before: Yueqing Yewei Electric Co.,Ltd. |