CN107393776A - A kind of high-breaking miniature breaker - Google Patents
A kind of high-breaking miniature breaker Download PDFInfo
- Publication number
- CN107393776A CN107393776A CN201710736470.8A CN201710736470A CN107393776A CN 107393776 A CN107393776 A CN 107393776A CN 201710736470 A CN201710736470 A CN 201710736470A CN 107393776 A CN107393776 A CN 107393776A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- arc
- moving contact
- iron core
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- 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
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of breaker, high-breaking miniature breaker is particularly related to.The present invention adopts the following technical scheme that, a kind of high-breaking miniature breaker, it is characterised in that：The arc-chutes are striking mouth close to moving contact side, opposite side is nock, baffle plate is provided with nock on housing and positioned at going out for arc-chutes, the side face of baffle plate goes out nock setting, the opposite side of baffle plate is provided with Pao Hu roads, and through hole is provided with the baffle plate, and the electric arc that the through hole can make to pass through in arc-chutes enters Pao Hu roads, a point arc boss is provided with the middle part of Pao Hu roads on the housing, this divides the top of arc boss and the middle part of baffle plate to contradict or press close to set.By using such scheme, the present invention overcomes the shortcomings of existing breaker, there is provided action is reasonable when the moving contact of breaker is worked, arc-chutes will not displacement deformation, temperature rise and new high-breaking miniature breaker low in energy consumption in circuit.
Description
Technical field
The present invention relates to a kind of breaker, high-breaking miniature breaker is particularly related to.
Background technology
Existing breaker because moving contact operating mechanism is all more complicated, mechanism it is bulky, complicated, assembling is tired
Difficulty, miniaturization is difficult to realize, existing moving contact of breaker operating mechanism does not have that energy storage or energy storage are unreasonable in addition, described dynamic
Contact speed during combined floodgate is not quickly or product has failure phenomenon, the so property to breaker in thermal energy storage process
Harmful effect can be produced.The electromagnetic release mechanism of circuit breaker internal, its iron core, iron core spring and push rod are placed on coil rack
Interior, coil is set on the outside of coil rack, and coil and skeleton are placed in the positioning hole or groove in yoke, then welded coil
It is connected in yoke, the opposite side of yoke welding static contact, because yoke is conducting parts, it is therefore necessary to it is iron material, therefore line
When road turns on, electric current has to pass through yoke, because yoke is iron material, resistivity is far longer than copper, therefore is made during high current
Into the high phenomenon of product temperature rise high power consumption, but small dimension electric current such as 1A also wants so many part to 32A products, causes product parts
More, cost is high.
Be typically provided with being connected with shell on rear side of existing circuit breaker arc-chutes be all plastic material plate washer, work as disjunction
During larger current, the fusing of plastics plate washer makes exhaust hole plug, causes electric arc and heat in arc-chutes not discharge, electric arc is in arc extinguishing
Interior is restriked or burst phenomenon；Plate washer is not provided with rear side of some product arc-chutes, after electric arc sprays directly out of arc-chutes
It is cascaded, is restriked on rear side of arc-chutes again, cause the product arc time to grow, product disjunction is failed.Arc-extinguish chamber and
A point arc plate washer is not provided with rear side of plate washer, arc-chutes is moved afterwards under the effect of the pressure, arc-chutes position is changed, make product
Again electric arc cannot be introduced into arc-chutes during breaking current；Portioned product arc-chutes posterior region only sets at one in product bottom and arranged
Gas port, because upside is without exhaust outlet, electric arc and the downward side exhaust outlet concentration of gas, causing arc-chutes, arc extinguishing is uneven up and down, under making
Side scaling loss is serious, and upside scaling loss not serious phenomenon, or appears in and occur arc restriking and again on rear side of arc-chutes and plate washer
Combustion phenomenon makes disjunction failure.And electric arc or gas enter arc-chutes and posterior region because exhaust outlet only has at one or other reasons
Cause gas not discharge, increase product moment pressure, cause product to burst phenomenon.
The content of the invention
The present invention overcomes the shortcomings of existing breaker, there is provided moving contact of breaker can be made to act reasonable, arc-chutes when working
Will not displacement deformation, temperature rise and new high-breaking miniature breaker low in energy consumption in circuit.
Realize above-mentioned purpose, the present invention adopts the following technical scheme that, a kind of high-breaking miniature breaker, include housing,
Handle, electromagnetic release mechanism, arc-chutes and moving contact operating mechanism, the moving contact operating mechanism include first connecting rod, moved
Contact, tripping, moving contact rack, lock torsion spring, lock and extension spring, wherein moving contact are fixedly installed on moving contact rack, are moved
It is provided through hole, bearing pin being provided with through hole on contact supporting, the both ends of the bearing pin are arranged on Shell of circuit breaker, described
Extension spring one end be connected to moving contact rack or and moving contact on, and with moving contact rack or and moving contact tie point positioned at passing through
The top of perforation, the other end of extension spring are fixedly connected on the housing of breaker, and the tripping is be hinged to be arranged on moving contact rack
Upper end, connected between tripping and handle by first connecting rod, the lock is rotatably arranged on bearing pin, it is characterised in that：Institute
It is striking mouth that arc-chutes, which are stated, close to moving contact side, and opposite side is nock, is set on housing and positioned at going out at nock for arc-chutes
Baffle plate is equipped with, the side face of baffle plate goes out nock setting, and the opposite side of baffle plate is provided with Pao Hu roads, is provided with the baffle plate logical
Hole, the electric arc that the through hole can make to pass through in arc-chutes enter Pao Hu roads, are provided with the housing in the middle part of Pao Hu roads point
Arc boss, this divides the top of arc boss and the middle part of baffle plate to contradict or press close to set.
By using such scheme, preferably electric arc can be split using the function of baffle plate for we and arc extinguishing, separately
Outside by set divide arc boss, so when arc-chutes by more energetically when, power is acted directly on point arc boss, makes arc-chutes not
Easy displacement, it is excessive and cause product to burst to avoid moment pressure on rear side of arc-chutes, divides arc boss by a larger longer band
Electric body or electric arc are divided into two parts up and down, so as to reduce the possibility of powered gas or arc reignition, reduce electric arc
Energy.
The further setting of the present invention is：Also include moving contact energy storage device, moving contact energy storage device includes energy storage
Tumbler and energy storage contradict bar, and the energy storage tumbler is be hinged to be arranged on housing, and the first extension is provided with energy storage tumbler
Arm and the second adjutage, long recess are provided with the turning set of the handle, the end of the first adjutage is placed in long recess, institute
The end and the upper end of energy storage conflict bar for stating the second adjutage are hinged, and the energy storage contradicts two retaining convex ribs that bar is placed in housing
Between, the symmetrical two side of long recess can contradict the first adjutage when handle rotates and be allowed to rotate, so as to drive energy storage to rotate
Part rotates, and energy storage tumbler, which rotates, drives the second extension arm swing, and the second extension arm swing realizes that energy storage contradicts bar and moved up and down,
Projection corresponding with energy storage conflict bar bottom is provided with the moving contact rack, the projection supports with energy storage when breaker disconnects
Feeler lever bottom is spaced apart, and projection contradicts bar lower end from separating progressively to press close to until contradicting in energy storage during breaker closing
The side in portion, at this time handle is rotated further and moving contact rack stops operating, and last handle rotates will in place, and energy storage contradicts
Projection is contradicted the side release of bar bottom by energy storage when bar will be shifted onto extreme higher position by energy storage tumbler, now moving contact branch
Frame drives moving contact quick rotation to realize and closed a floodgate, and the length of the long recess on the handle turning set is more than energy storage tumbler first
The width of adjutage, flexible position limit arm is extended on the energy storage tumbler, elastic spacing arm is set into bending, its top
Be provided with round boss, be provided with the housing for elastic position limit arm contradict curved limiting stand, the two of the curved limiting stand
Side is provided with detent, and breaker round boss of elastic spacing arm in combined floodgate or disconnection is respectively placed in corresponding fixed
In the groove of position.
By using such scheme, we realize the miniaturization of the moving contact operating mechanism of breaker and closed well
The performance of product with rapid closing, can be improved when lock, is in particular in the projection on moving contact rack when breaker disconnects
Bar bottom is contradicted with energy storage to be spaced apart, projection supports until contradicting in energy storage from separating progressively to press close to during breaker closing
The side of feeler lever bottom, certain position is also rotated between moving contact, until projection and energy storage contradict the side of bar bottom
Contradict, at this time moving contact rack can not rotate, and such purpose is to approach the contact of moving contact and the contact of static contact, so
Back handle is rotated further and moving contact rack stops operating, and this is also the process of energy storage, and at this time first connecting rod is to moving contact branch
Frame is promoted and is subjected to displacement, and last handle rotation will in place in addition, and energy storage, which contradicts bar, to shift highest order onto by energy storage tumbler
Projection is contradicted the side release of bar bottom by energy storage when putting, and now moving contact rack drives moving contact quick rotation to realize quick
Close a floodgate.
The further setting of the present invention is：The electromagnetic release mechanism includes yoke, static contact, coil and iron core group
Part, the core assembly include iron core sleeve pipe, dynamic iron core, static iron core, iron core spring and push rod, and the yoke includes first
Support arm, the second support arm and the linking arm being arranged between the first support arm and the second support arm, the first support arm, second
Brace and linking arm are wholely set into U-shaped, are respectively arranged with the first support arm and the second support arm and set up hole or erection groove, institute
State push rod one end to be connected with dynamic iron core, the other end appears setting after passing through static iron core, and the iron core spring one end is contradicted in dynamic iron
On core, the other end is contradicted on static iron core, and iron core sleeve pipe sleeve is located on the outside of dynamic iron core and static iron core, and core assembly one end is erected at
The erection hole of first support arm is set up on groove, and the other end is erected at the erection hole of the second support arm or set up on groove, the line
For circle around the periphery for being located at iron core sleeve pipe, the static contact includes welding edge, vertical edge and crotch, close on the linking arm of the yoke
The side protrusion of static contact is provided with welding block, and the welding edge realizes that static contact and yoke are fixedly connected with welding block welding,
The leading foot of the coil is welded on the welding edge of static contact.
By using such scheme, we make the compact-sized of the electromagnetic release mechanism of breaker, and mode is more reasonable, greatly
The big structure for simplifying core assembly, can be achieved the action of instantaneous trip low power electric current, and additionally mounted mode is also fairly simple.
The further setting of the present invention is：One end of the core assembly is directly erected at the first support by iron core sleeve pipe
Being extended on the erection groove of arm, on the one end of the static iron core away from dynamic iron core has overlap joint platform, and the static iron core passes through overlap joint
Stand is located on the erection groove of the second support arm, and the upper side of the welding block of the yoke and the welding edge downside of static contact lead to
Cross and be welded and fixed, the leading foot of the coil is welded on the upper side of static contact welding edge.
By using such scheme, it is more reasonable that we set the product structure, and coil is quiet in yoke with being welded in
Contact is welded directly together, and coil is directly welded on static contact, therefore resistivity is low, temperature rise in circuit and low in energy consumption.
The present invention last setting be：Two exhausting holes are provided with the baffle plate, two exhausting holes shift to install, the race arc
Road is divided arc boss to be spaced apart, and positioned at dividing the Pao Hu roads on the upside of arc boss to be the second surge chamber, is set above the second surge chamber
There are second exhaust port and the 3rd surge chamber, the 3rd exhaust outlet is provided with above the 3rd surge chamber, positioned at dividing on the downside of arc boss
Pao Hu roads are the first surge chamber, are provided with first row gas port below the first surge chamber, are set on the terminal plate of the breaker
There is hole, the hole is correspondingly arranged with second exhaust port.
By using such scheme, when disjunction high current, electric arc enters arc-chutes and discharged from plate washer on rear side of arc-chutes,
Plate washer is high temperature resistant gas exhausted material, and plate washer is provided with hole, is misplaced between Kong Yukong and has certain distance, electric arc or gas pass through
Gas is produced during plate washer, being advantageous to arc temperature reduces and extinguishes, and plate washer is exotic material, therefore will not melt plugging hole,
There is certain distance to have subdividing the arc and gas between Kong Yukong, reduce arc energy, reduce probability of restriking.First surge chamber and
Second surge chamber is respectively arranged with first row gas port and second exhaust port, and powered high-temperature gas can be vented from first and second respectively
Mouth discharge, can reduce the concentration and temperature of the pressure and charged ion in arc-chutes and surge chamber rapidly, also make first and second
It is of substantially equal to buffer chamber pressure, favourable electric arc is uniformly from the upper and lower side discharge of arc-chutes；Hole, wiring plate hole are provided with terminal plate
It is arranged near second exhaust port, gas can be discharged by the hole on terminal plate, be connected with the second surge chamber and be provided with the 3rd
Surge chamber and the 3rd exhaust outlet, excessive gas can be discharged by the 3rd exhaust outlet, can be rapid when the second buffering chamber pressure is excessive
Buffer into the 3rd surge chamber and discharged from the 3rd exhaust outlet, reduce the pressure in product, reduce and burst risk.Normally make
Used time, ambient atmos can enter interiors of products by the one the second and the 3rd exhaust outlet, with the hot parts or air in product
Heat exchange or thermal convection current are carried out, so as to reduce product internal temperature, plays the role of to reduce the gentle product power consumption of temperature rise.
The present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the stereogram of reflection arc-chutes of the embodiment of the present invention；
Fig. 3 is reflection arc-chutes of the embodiment of the present invention and the stereogram of case top lid；
Fig. 4 is the stereogram of terminal plate of the embodiment of the present invention；
Fig. 5 is the stereogram of baffle plate of the embodiment of the present invention；
Fig. 6 is the structure chart of reflection housing of the embodiment of the present invention and moving contact energy storage device；
Fig. 7 is the structural representation of off-state moving contact energy storage device of the embodiment of the present invention；
Fig. 8 is the Facad structure figure when embodiment of the present invention starts energy storage；
Fig. 9 is the Facad structure figure in thermal energy storage process of the embodiment of the present invention；
Figure 10 is the Facad structure figure after energy storage of embodiment of the present invention release；
Figure 11 is the structure chart of handle of the embodiment of the present invention；
Figure 12 is the structure chart of energy storage tumbler of the embodiment of the present invention；
Figure 13 is the structure chart that energy storage of the embodiment of the present invention contradicts bar；
Figure 14 is the structure chart of moving contact rack of the embodiment of the present invention；
Figure 15 is the structure chart of the detent on reflection housing of the embodiment of the present invention；
Figure 16 is the stereogram of electromagnetic release mechanism of the embodiment of the present invention；
Figure 17 is the explosive view of core assembly of the embodiment of the present invention；
Figure 18 is the explosive view of yoke of the embodiment of the present invention and static contact；
Figure 19 is the stereogram after yoke of the embodiment of the present invention is connected with static contact；
Figure 20 is the explosive view of electromagnetic release mechanism of the embodiment of the present invention.
Embodiment
As shown in Fig. 1-20, a kind of high-breaking miniature breaker, include housing A, handle B, electromagnetic release mechanism C, go out
Arc device D and moving contact operating mechanism E, the moving contact operating mechanism E include first connecting rod E1, moving contact E2, tripping E3,
Moving contact rack E4, lock torsion spring, lock E5 and extension spring E6, wherein moving contact E2 is fixedly installed on moving contact rack E4, dynamic
It is provided through hole, bearing pin being provided with through hole on contact supporting E4, the both ends of the bearing pin are arranged on Shell of circuit breaker A,
Described extension spring E6 one end be connected to moving contact rack E4 or and moving contact E2 on, and with moving contact rack E4 or and moving contact E2
Tie point be located at the top of through hole, the extension spring E6 other end is fixedly connected on the housing A of breaker, the tripping E3 hinges
The upper end for being arranged on moving contact rack E4 is connect, is connected between tripping E3 and handle B by first connecting rod E1, the lock E5 is rotated
It is arranged on bearing pin, these above-mentioned features are also what is had in existing breaker, and the patent before applicant is also to be described
, just it is not explained in detail in embodiments of the present invention, in embodiments of the present invention, the arc-chutes D is close to moving contact E2 mono-
Side is striking mouth D21, and opposite side is nock D22, and baffle plate is provided with housing A and positioned at going out at nock D22 for arc-chutes D
D3, baffle plate D3 side face go out nock D22 settings, and baffle plate D3 opposite side is provided with Pao Hu roads D11, set on the baffle plate D3
Through hole D31 is equipped with, the electric arc that through hole D31 can make to pass through in arc-chutes D enters Pao Hu roads D11, is located on the housing A and runs arc
A point arc boss D12 is provided with the middle part of road D11, this divides arc boss D12 top to be contradicted with baffle plate D3 middle part or press close to set;
Using such scheme, preferably electric arc can be split using baffle plate D3 function for we and arc extinguishing, additionally by setting
Point arc boss D12, so when arc-chutes D by more energetically when, power is acted directly on point arc boss D12, is not easy arc-chutes D
Displacement, it is excessive and cause product to burst to avoid moment pressure on rear side of arc-chutes D, divides arc boss D12 larger longer by one
Powered gas or electric arc are divided into two parts up and down, so as to reduce the possibility of powered gas or arc reignition, reduce electricity
The energy of arc.
In the embodiment of the present invention, also include moving contact energy storage device F, moving contact energy storage device F includes energy storage rotation
Part F1 and energy storage contradict that bar F2, the energy storage tumbler F1 are be hinged to be arranged on housing A, and first is provided with energy storage tumbler F1
Adjutage F11 and the second adjutage F12, long recess B1, the first adjutage F11 end are provided with the turning set of the handle B
Portion is placed in long recess B1, and the end and energy storage conflict bar F2 upper end of the second adjutage F12 are hinged, and the energy storage is supported
Feeler lever F2 is placed between housing A two retaining convex ribs, and the symmetrical two sides of long recess B1 can contradict first when handle B is rotated and prolong
Semi-girder F11 is allowed to rotate, and so as to drive energy storage tumbler F1 to rotate, energy storage tumbler F1, which is rotated, drives the second adjutage F12 pendulum
Dynamic, the second adjutage F12, which is swung, realizes that energy storage contradicts bar F2 and moved up and down, and is provided with the moving contact rack E4 and is supported with energy storage
Projection E41 corresponding to feeler lever F2 bottoms, projection E41 contradicts bar F2 bottoms with energy storage and is spaced apart when breaker disconnects,
Projection E41 progressively presses close to contradict the sides of bar F2 bottoms in energy storage until contradicting from separating during breaker closing, at this moment
Time handle B is rotated further and moving contact rack E4 stops operating, and last handle B is rotated will in place, and energy storage contradicts bar F2 will
Projection E41 is contradicted the side release of bar F2 bottoms by energy storage when shifting extreme higher position onto by energy storage tumbler F1, now moving contact
Support E4 drives moving contact E2 quick rotations to realize and closed a floodgate, and the length of the long recess B1 on the handle B turning sets is more than energy storage
The first adjutages of tumbler F1 F11 width, flexible position limit arm F13, elasticity limit are extended on the energy storage tumbler F1
Position arm F13 is set into bending, and its top is provided with round boss F131, the housing A to be provided with and supported for elastic position limit arm F13
Tactile curved limiting stand F132, the curved limiting stand F132 both sides are provided with detent F1321, and the breaker is closing a floodgate
Or elastic spacing arm F13 round boss F131 is respectively placed in corresponding detent F1321 when disconnecting.Using above-mentioned side
Case, we realize well the moving contact operating mechanism E of breaker miniaturization and close a floodgate when can with rapid closing,
Improve the performance of product.
In embodiments of the present invention, the electromagnetic release mechanism C includes yoke C1, static contact C2, coil C3 and iron core
Component C4, the core assembly C4 include iron core sleeve pipe C41, dynamic iron core C42, static iron core C43, iron core spring C44 and push rod
C45, in embodiments of the present invention, the yoke C1 include the first support arm C11, the second support arm C12 and are arranged on first
Linking arm C13, the first support arm C11, the second support arm C12 and linking arm between support arm C11 and the second support arm C12
C13 is wholely set into U-shaped, be respectively arranged with the first support arm C11 and the second support arm C12 set up hole or set up groove C111,
C121, described push rod C45 one end are connected with dynamic iron core C42, and the other end appears setting, the iron core bullet after passing through static iron core C43
Spring C44 one end is contradicted on dynamic iron core C42, and the other end is contradicted on static iron core C43, and iron core sleeve pipe C41 is set in dynamic iron core C42
With on the outside of static iron core C43, core assembly C4 one end is erected at the first support arm C11 erection hole or set up on groove C111, another
End-rack is located at the second support arm C12 erection hole or set up on groove C121, and the coil C3 is around being located at the outer of iron core sleeve pipe C41
Week, the static contact C2 are included on welding edge C21, vertical edge C22 and crotch C23, the linking arm C13 of the yoke C1 close to stationary contact
Head C2 side protrusion is provided with welding block C131, the welding edge C21 and welding block C131 welding and realizes static contact C2 and magnetic
Yoke C1 is fixedly connected, and the leading foot C31 of the coil C3 is welded on static contact C2 welding edge C21；By using above-mentioned side
Case, we make the compact-sized of the electromagnetic release mechanism of breaker, and mode is more reasonable, enormously simplify core assembly C4 knot
Structure, can be achieved the action of instantaneous trip low power electric current, and additionally mounted mode is also fairly simple.
In embodiments of the present invention, one end of the core assembly C4 is directly erected at first by iron core sleeve pipe C41
Being extended on brace C11 erection groove C111, on the described one end of static iron core C43 away from dynamic iron core C42 has overlap joint platform C431,
The static iron core C43 is erected on the second support arm C12 erection groove C121 by overlapping platform C431；The welding of the yoke C1
Block C131 upper side and static contact C2 welding edge C21 downsides are by being welded and fixed, the leading foot C31 welderings of the coil C3
Static contact C2 welding edges C21 upper side is connected on, coil C3 leading foot C31 is so directly welded at static contact C2 welding
On the C21 of side, realize that copper copper connects, therefore resistivity is low, temperature rise in circuit and low in energy consumption.
In embodiments of the present invention, two exhausting hole D31 are provided with the baffle plate D3, two exhausting hole D31 are shifted to install, real
Can also be that through hole D31 is not shifted to install on border, such effect is slightly poor, using such scheme, when disjunction high current, electric arc
Into arc-chutes D and from plate washer D3 discharges on rear side of arc-chutes D, plate washer D3 is high temperature resistant gas exhausted material, and plate washer D3 is provided with through hole
D31, misplaced between through hole D31 and through hole D31 and have certain distance, electric arc or gas by producing gas during plate washer D3, had
Reduce and extinguish beneficial to arc temperature, plate washer D3 is exotic material, therefore will not melt plugging hole, through hole D31 and through hole D31
Between there is certain distance to have a subdividing the arc and gas, reduce arc energy, reduce probability of restriking；The Pao Hu roads D11 is divided
Arc boss D12 is spaced apart, and is the second surge chamber D112, the second surge chamber D112 positioned at the Pao Hu roads divided on the upside of arc boss D12
Top is provided with second exhaust port D1121 and the 3rd surge chamber D113, and the 3rd exhaust is provided with above the 3rd surge chamber D113
Mouth D1131, the lower section for being the first surge chamber D111, the first surge chamber D111 positioned at the Pao Hu roads divided on the downside of arc boss D12 are set
There is first row gas port D1111；Hole D41 is provided with the terminal plate D4 of the breaker, hole D41 and second exhaust port D1121
It is correspondingly arranged；Using such scheme, the first surge chamber D111 and the second surge chamber D112 set up separately be equipped with first row gas port D1111 with
Second exhaust port D1121, powered high-temperature gas can be discharged from first and second exhaust outlet D1111, D1121, can dropped rapidly respectively
Low arc-chutes D and pressure and the concentration of charged ion and temperature in surge chamber, also make first and second surge chamber D111, D112
Pressure is of substantially equal, and favourable electric arc is uniformly from the upper and lower side discharges of arc-chutes D；Hole D41, wiring plate hole are provided with terminal plate D4
D41 is arranged near second exhaust port D1121, and gas can be discharged by the hole D41 on terminal plate D4, with the second surge chamber D112
It is connected and is provided with the 3rd surge chamber D113 and the 3rd exhaust outlet D1131, excessive gas can be arranged by the 3rd exhaust outlet D1131
Go out, when the second surge chamber D112 pressure is excessive, the 3rd surge chamber D113 bufferings can be quickly entered and from the 3rd exhaust outlet D1131
Discharge, reduces the pressure in product, reduces and burst risk.During normal use, ambient atmos can pass through first, second and
The hot parts or air that three exhaust outlet D1111, D1121, D1131 enter in interiors of products, with product carry out heat exchange or heat
Convection current, so as to reduce product internal temperature, play the role of to reduce the gentle product power consumption of temperature rise.
It is disclosed, it is one kind of preferred embodiment, all partial alterations or modification and comes from the technology of the present invention
Thought and be easy to the person of deducing by those skilled in the art, neither take off the patent category of the present invention.
Claims (7)
1. a kind of high-breaking miniature breaker, include housing, handle, electromagnetic release mechanism, arc-chutes and moving contact operation machine
Structure, the moving contact operating mechanism include first connecting rod, moving contact, tripping, moving contact rack, lock torsion spring, lock and drawing
Spring, wherein moving contact are fixedly installed on moving contact rack, are provided through hole, pin being provided with through hole on moving contact rack
Axle, the both ends of the bearing pin are arranged on Shell of circuit breaker, described extension spring one end be connected to moving contact rack or and moving contact on,
And with moving contact rack or and the tie point of moving contact be located at the top of through hole, the other end of extension spring is fixedly connected on open circuit
On the housing of device, the be hinged upper end for being arranged on moving contact rack of the tripping, connected between tripping and handle by first connecting rod,
The lock is rotatably arranged on bearing pin, it is characterised in that：The arc-chutes are striking mouth close to moving contact side, and opposite side is
Go out nock, baffle plate is provided with nock on housing and positioned at going out for arc-chutes, the side face of baffle plate goes out nock setting, baffle plate
Opposite side is provided with Pao Hu roads, and through hole is provided with the baffle plate, and the electric arc that the through hole can make to pass through in arc-chutes, which enters, runs arc
Road, a point arc boss is provided with the middle part of Pao Hu roads on the housing, this divides the top of arc boss and the middle part of baffle plate to contradict
Or press close to set.
2. high-breaking miniature breaker according to claim 1, it is characterised in that：Also include moving contact energy storage device, move
Contact energy storage device includes energy storage tumbler and energy storage contradicts bar, and the energy storage tumbler is be hinged to be arranged on housing, energy storage
The first adjutage and the second adjutage are provided with tumbler, long recess, the first extension are provided with the turning set of the handle
The end of arm is placed in long recess, and the end and the upper end of energy storage conflict bar of second adjutage are hinged, and the energy storage is supported
Feeler lever is placed between two retaining convex ribs of housing, and the symmetrical two side of long recess can contradict the first adjutage when handle rotates to be made
Rotation, so as to drive energy storage tumbler rotate, energy storage tumbler rotate drive second extension arm swing, second extension arm swing
Realize that energy storage contradicts bar and moved up and down, projection corresponding with energy storage conflict bar bottom is provided with the moving contact rack, is broken
The projection is spaced apart with energy storage conflict bar bottom when road device disconnects, and projection is from separating progressively to press close to during breaker closing
The side of bar bottom is contradicted in energy storage until contradicting, at this time handle is rotated further and moving contact rack stops operating, finally
Handle rotates will in place, and energy storage contradicts projection when bar will be shifted onto extreme higher position by energy storage tumbler and contradicts bar lower end by energy storage
The side release in portion, now moving contact rack drive moving contact quick rotation, which is realized, closes a floodgate.
3. high-breaking miniature breaker according to claim 1 or claim 2, it is characterised in that：The electromagnetic release mechanism includes
Yoke, static contact, coil and core assembly, the core assembly include iron core sleeve pipe, dynamic iron core, static iron core, iron core spring
And push rod, the yoke include the first support arm, the second support arm and are arranged between the first support arm and the second support arm
Linking arm, the first support arm, the second support arm and linking arm are wholely set into U-shaped, on the first support arm and the second support arm
It is respectively arranged with and sets up hole or set up groove, described push rod one end is connected with dynamic iron core, and the other end appears setting after passing through static iron core,
The iron core spring one end is contradicted in dynamic iron core, and the other end is contradicted on static iron core, and iron core sleeve pipe sleeve is located at dynamic iron core and quiet
On the outside of iron core, core assembly one end is erected at the erection hole of the first support arm or set up on groove, and the other end is erected at the second support
The erection hole of arm is set up on groove, the coil around the periphery for being located at iron core sleeve pipe, the static contact include welding edge, vertical edge and
Crotch, close to the side of static contact, protrusion is provided with welding block on the linking arm of the yoke, and the welding edge welds with welding block
Connect and realize that static contact is fixedly connected with yoke, the leading foot of the coil is welded on the welding edge of static contact.
4. high-breaking miniature breaker according to claim 3, it is characterised in that：One end of the core assembly passes through iron core
Sleeve pipe is directly erected on the erection groove of the first support arm, and being extended on the one end of the static iron core away from dynamic iron core has overlap joint
Platform, the static iron core are located on the erection groove of the second support arm by overlapping stand, the upper side of the welding block of the yoke with
By being welded and fixed, the leading foot of the coil is welded on the upper side of static contact welding edge for the welding edge downside of static contact.
5. high-breaking miniature breaker according to claim 1, it is characterised in that：Two exhausting holes are provided with the baffle plate,
Two exhausting holes are shifted to install, and the Pao Hu roads are divided arc boss to be spaced apart, positioned at divide the Pao Hu roads on the upside of arc boss be second
Surge chamber, the second surge chamber top are provided with second exhaust port and the 3rd surge chamber, the 3rd are provided with above the 3rd surge chamber
Exhaust outlet, positioned at dividing the Pao Hu roads on the downside of arc boss to be the first surge chamber, first row gas port is provided with below the first surge chamber,
Hole is provided with the terminal plate of the breaker, the hole is correspondingly arranged with second exhaust port.
6. high-breaking miniature breaker according to claim 2, it is characterised in that：Two exhausting holes are provided with the baffle plate,
Two exhausting holes are shifted to install, and the Pao Hu roads are divided arc boss to be spaced apart, positioned at divide the Pao Hu roads on the upside of arc boss be second
Surge chamber, the second surge chamber top are provided with second exhaust port and the 3rd surge chamber, the 3rd are provided with above the 3rd surge chamber
Exhaust outlet, positioned at dividing the Pao Hu roads on the downside of arc boss to be the first surge chamber, first row gas port is provided with below the first surge chamber,
Hole is provided with the terminal plate of the breaker, the hole is correspondingly arranged with second exhaust port.
7. high-breaking miniature breaker according to claim 2, it is characterised in that：Long recess on the handle turning set
Length is more than the width of the adjutage of energy storage tumbler first, and flexible position limit arm, elasticity are extended on the energy storage tumbler
Position limit arm is set into bending, and its top is provided with round boss, is provided with the housing for the curved of elastic position limit arm conflict
Limiting stand, the both sides of the curved limiting stand are provided with detent, breaker elastic spacing arm in combined floodgate or disconnection
Round boss is respectively placed in corresponding detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736470.8A CN107393776A (en) | 2017-08-24 | 2017-08-24 | A kind of high-breaking miniature breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736470.8A CN107393776A (en) | 2017-08-24 | 2017-08-24 | A kind of high-breaking miniature breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107393776A true CN107393776A (en) | 2017-11-24 |
Family
ID=60345722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710736470.8A Pending CN107393776A (en) | 2017-08-24 | 2017-08-24 | A kind of high-breaking miniature breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107393776A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08315705A (en) * | 1995-03-13 | 1996-11-29 | Terasaki Denki Sangyo Kk | Circuit breaker |
| CN203644701U (en) * | 2013-12-30 | 2014-06-11 | 温州奥来电器有限公司 | Plug-in type energy-storage high-breaking mini breaker |
| CN105742135A (en) * | 2016-04-27 | 2016-07-06 | 乐清市也为电气有限公司 | Exhaust arc extinguishing system for leakage current breaker |
| CN205542659U (en) * | 2016-02-04 | 2016-08-31 | 苏州未来电器股份有限公司 | Miniature circuit breaker |
| CN205645722U (en) * | 2016-04-29 | 2016-10-12 | 浙江人民电器有限公司 | Miniature circuit breaker's electromagnetic system |
| CN206116329U (en) * | 2016-10-26 | 2017-04-19 | 杭州泰姆电气有限公司 | Breaker |
-
2017
- 2017-08-24 CN CN201710736470.8A patent/CN107393776A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08315705A (en) * | 1995-03-13 | 1996-11-29 | Terasaki Denki Sangyo Kk | Circuit breaker |
| CN203644701U (en) * | 2013-12-30 | 2014-06-11 | 温州奥来电器有限公司 | Plug-in type energy-storage high-breaking mini breaker |
| CN205542659U (en) * | 2016-02-04 | 2016-08-31 | 苏州未来电器股份有限公司 | Miniature circuit breaker |
| CN105742135A (en) * | 2016-04-27 | 2016-07-06 | 乐清市也为电气有限公司 | Exhaust arc extinguishing system for leakage current breaker |
| CN205645722U (en) * | 2016-04-29 | 2016-10-12 | 浙江人民电器有限公司 | Miniature circuit breaker's electromagnetic system |
| CN206116329U (en) * | 2016-10-26 | 2017-04-19 | 杭州泰姆电气有限公司 | Breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104810222B (en) | The arc-chutes of a kind of fast arc extinction and apply the miniaturization chopper of these arc-chutes | |
| CN201788918U (en) | 18mm-wide double-line electric leakage circuit breaker with high breaking capacity | |
| CN107393776A (en) | A kind of high-breaking miniature breaker | |
| PT82756B (en) | LOW TENSILE MULTI-PLUG BREAKER WITH APPROPRIATE CUT | |
| CN103426670B (en) | Breaker contact arc extinguishing system | |
| CN102610454B (en) | Upper inlet stationary contact device of molded case circuit breaker | |
| CN101826426A (en) | Contact locking device of single-breakpoint molded-case low-voltage circuit breaker | |
| WO2013091312A1 (en) | Vacuum circuit breaker with improved rated current | |
| CN205140910U (en) | Neutral pole of circuit breaker separates arc structure | |
| CN207320039U (en) | A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal | |
| CN104715980B (en) | Magnetic reserved tripping protection mechanism | |
| CN211828540U (en) | Rotary type air-blast arc-extinguishing device | |
| CN209199865U (en) | A kind of contact arc extinguishing device and its breaker of breaker | |
| CN107039201A (en) | A kind of contraction type arc-extinguishing mechanism of power circuit breaker | |
| CN209328828U (en) | Contact system with arc | |
| CN103280352B (en) | Switch contact structure | |
| CN202736789U (en) | Arc extinguishing sheet and arc extinguishing mechanism thereof used for breaker | |
| CN102945776A (en) | Contact arc-extinguishing system of moulded case circuit breaker | |
| CN203386696U (en) | Modular multi-pole single-breakpoint molded case circuit breaker | |
| EP3631829B1 (en) | Electrical contact system | |
| CN207818497U (en) | High-breaking miniature breaker | |
| CN207993763U (en) | A kind of current vacuum isolation load switch | |
| CN207367828U (en) | A kind of high-breaking miniature breaker | |
| WO2002001587A3 (en) | Arc chute assembly for circuit breaker mechanisms | |
| CN201536080U (en) | Electronic electromagnetic type intelligent switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171124 |