CN108493070A - A kind of electromagnetic release mechanism and its breaker for breaker - Google Patents
A kind of electromagnetic release mechanism and its breaker for breaker Download PDFInfo
- Publication number
- CN108493070A CN108493070A CN201810585262.7A CN201810585262A CN108493070A CN 108493070 A CN108493070 A CN 108493070A CN 201810585262 A CN201810585262 A CN 201810585262A CN 108493070 A CN108493070 A CN 108493070A
- Authority
- CN
- China
- Prior art keywords
- breaker
- slide
- shell
- release mechanism
- electromagnetic release
- 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
- H01H71/2481—Electromagnetic mechanisms characterised by the coil design
-
- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The present invention provides a kind of electromagnetic release mechanism and its breaker for breaker, and breaker includes shell, setting electromagnetic release mechanism inside housings and makes the trigger architecture of circuit breaker tripping, electromagnetic release mechanism include after being knocked：Coil is fixedly installed relative to shell, and screwed pipe portion surrounds the functional hole to form that axis is first axle；Dynamic iron core, including slide and the push rod for being set to slide；Slide is slidably mounted on the mounting base that shell is located at screwed pipe portion side along first axle, and push rod penetrates through functional hole；Return springs；Since the slide of dynamic iron core is slidably mounted on the side in screwed pipe portion, the only functional hole in push rod perforation screwed pipe portion, therefore the smaller of the internal diameter in screwed pipe portion setting can be reduced production cost；In addition, compared with the electromagnetic release mechanism of the prior art also needs to setting static iron core, reduce the quantity of parts, further reduced production cost, and assemble faster convenience.
Description
Technical field
The present invention relates to electric system low voltage electrical apparatus technology fields, and in particular to a kind of electromagnetic trip machine for breaker
Structure and its breaker.
Background technology
Miniature circuit breaker refers to the protection electric appliance mounted on terminal power distribution circuit, is mainly used for the mistake of circuit and electrical equipment
Load and short-circuit protection.Suitable for exchanging 50/60Hz, rated voltage is no more than 400V, and rated current is no more than the occasion of 125A.
Miniature circuit breaker is generally made of the part such as electromagnetic release mechanism, thermal tripping mechanism, arc-extinguishing mechanism, operating mechanism,
Electromagnetic release mechanism mainly uses solenoid structure, as illustrated in fig. 1 and 2, electromagnetic trip machine for providing short circuit current protection
Structure includes：Cylinder 01, the inner cavity 011 led in having；Dynamic iron core 02 is movably mounted at one end of inner cavity 011；Static iron core
03, it is fixed at the other end of inner cavity 011, and middle part is equipped with through-hole；Push rod 04, one end are connect with dynamic iron core 02, the other end
It is pierced by the through-hole of static iron core 03；Resetting spring 05 is set on push rod 04, and one end is fixedly connected with static iron core 03, the other end
It is fixedly connected with push rod 04；Coil 06 is arranged in the outside of cylinder 01；When short trouble occurs, the electric current of flowing through coil 06
Moment increases, and coil 06 generates larger electromagnetic force, and driving dynamic iron core 02 is moved towards close to the direction of static iron core 03, and drive pushes away
Bar 04 makes operating mechanism act, to drive dynamic/static contact to disconnect.
The defect of above-mentioned technical proposal is：Existing assembly method is mainly hand assembled, and due to each parts
Build it is smaller, assembly difficulty is big, and amount of parts is more so that assembly process is cumbersome, increases production cost；In addition, by
It is set in the outside of cylinder in coil, interval cylinder acts on push rod, causes the internal diameter specification needs of coil to be arranged larger, into
One step increases production cost.
Invention content
Therefore, the technical problem to be solved in the present invention be to overcome in the prior art electromagnetic release mechanism amount of parts compared with
More, assembly process is cumbersome, and internal coil diameter specification is larger, the high technological deficiency of production cost, to provide a kind of component number
Amount is few, the electromagnetic release mechanism for breaker that assembly is simple, production cost is low.
The present invention also provides a kind of breakers with above-mentioned electromagnetic release mechanism.
For this purpose, the present invention provides a kind of electromagnetic release mechanism for breaker, breaker includes shell, is arranged in shell
The internal electromagnetic release mechanism and the trigger architecture for making circuit breaker tripping after being knocked,
The electromagnetic release mechanism includes：
Coil is fixedly installed relative to the shell, and screwed pipe portion surrounds the functional hole to form that axis is first axle；
Dynamic iron core, including slide and the push rod for being set to the slide；The slide is slidably installed along the first axle
It is located at the mounting base of screwed pipe portion side in the shell, the push rod penetrates through the functional hole；In the drive of coil electromagnetic force
The push rod slides into the trigger position for hitting the trigger architecture along the first axle under dynamic；
Return springs are set between the slide and the mounting base, for driving the dynamic iron core to be touched from described
Hair position moves to initial position along the direction far from the trigger architecture.
As a preferred embodiment, the slide is slidably connected by rail structure and the mounting base；The sliding rail knot
Structure includes the guide rail set on one side of the mounting base and the slide, is set to the guide groove with guide rail cooperation of another party.
As a preferred embodiment, the mounting base is the structure extended along the first axle, and the slide is along institute
It states first axle and extends the structure for being buckled in the mounting base side.
As a preferred embodiment, the shell is provided with the first limit being limited in the slide in the mounting base
Block.
As a preferred embodiment, the return springs are helical spring, and the mounting base is opened up towards the slide
It includes the mounting plate extended towards the mounting groove, the reset to have the mounting groove of the accommodating return springs, the slide
Elastic component both ends are born against in the installation groove sidewall and the mounting plate.
As a preferred embodiment, the mounting base is with vertical separation setpoint distance and horizontal-extending top surface and bottom
Face, the mounting groove are set between the top and bottom, and opening is oriented horizontal direction；The slide is U-shaped structure, packet
The first side wall and second sidewall of the corresponding top surface and bottom surface setting are included, and, connect the first side wall and described
The intermediate plate of second sidewall；The mounting plate and the push rod are set to the intermediate plate.
As a preferred embodiment, the slide is structure as a whole with the push rod.
A kind of breaker, including first shell and second shell for the shell are fastened, it is arranged in the shell
Electromagnetic release mechanism described in any one of contact mechanism, the operating mechanism of the control contact mechanism and claim-.
As a preferred embodiment, the operating mechanism includes：
Contact supporting is installed in rotation on by support rotating shaft in first shell, and upper and lower ends are respectively arranged with resistance
Keep off structure and moving contact；
Lock, is installed in rotation on by the support rotating shaft on the contact supporting, the lock includes first
End arms；
Elastic component is latched, one end is connect with the contact supporting, and the other end is connected with the lock；In lock elasticity
First end arms formation first support groove opposite with the barrier structure and second support groove under the action of part；
Handle and connecting rod, one end are connect with handle, and the other end is movably connected on the first support groove or second support is recessed
In slot；The handle and connecting rod can push the contact supporting and the lock to turn when being slided in the first support groove
It is dynamic；
Disjunction elastic component, one end are connect with the first shell, and the other end is connect with the contact supporting, in the disjunction
The contact supporting is in initial position under the action of elastic component.
As a preferred embodiment, the first convex block in the middle part of first end arms is opposite with the barrier structure to form first
Notch, the second convex block formation opposite with the barrier structure of first end arms end is for preventing the handle and connecting rod from institute
State the second notch that second support groove skids off；
In gate-dividing state, described handle and connecting rod one end is located in the first support groove, and its width is more than described
The width of first notch.
As a preferred embodiment, the lock further includes second end arms opposite with the push rod of electromagnetic release mechanism, institute
It is the trigger architecture to state the second end arms described in ram impacts and drive the lock pivoting, second end arms.
As a preferred embodiment, the lock further includes opposite with bimetal leaf to realize the third end of overload protection
Arm；The end of the third end arms is equipped with vertically disposed for coordinating driving with the bimetal leaf with the third end arms
Second drive block；The end that the bimetal leaf is corresponded in the third end arms is equipped with the reference for being used to indicate the bimetal leaf
The instruction unit of adjusting position.
As a preferred embodiment, the instruction unit is comb teeth-shaped.
As a preferred embodiment, the contact supporting is equipped with the positioning column for moving contact installation, the disjunction
Elastic component is set on the positioning column, has the first segment that is fixedly connected with the moving contact, and with the contact supporting
The second segment that abuts of position limiting structure cooperation, the end of the second segment extends to outside the contact supporting, and with described first
Inner walls abut.
As a preferred embodiment, the position limiting structure is the second limit in inverted L shape being arranged on the contact supporting
Position block, second limited block is opposite with the contact supporting to form the card slot penetrated for the second segment of the disjunction elastic component.
Technical solution of the present invention has the following advantages：
1. the electromagnetic release mechanism for breaker of the present invention, including coil, dynamic iron core and return springs, coil
Screwed pipe portion surrounds the functional hole to form that axis is first axle；Dynamic iron core includes slide and is set to the push rod of slide；Slide edge
First axle is slidably mounted on the mounting base that shell is located at screwed pipe portion side, and push rod penetrates through functional hole；In the straight of coil electromagnetic force
It connects driving lower push-rod and slides into the trigger position for hitting trigger architecture along first axle；Since the slide of dynamic iron core is slidably mounted on
The side in screwed pipe portion, only push rod penetrate through the functional hole in screwed pipe portion, and save cylinder in the prior art, therefore can be by screwed pipe
The internal diameter in portion is arranged smaller, reduces production cost；In addition, the electromagnetic release mechanism with the prior art also needs to that quiet iron is arranged
Core is compared, and the quantity of parts is reduced, and further reduced production cost, and assemble faster convenience.
2. the electromagnetic release mechanism for breaker of the present invention, mounting base is the structure extended along first axle, slide
To extend the structure for being buckled in mounting base side along first axle, slide assembles in such a way that button is set with mounting base, structure letter
It is single, it is easy to disassemble, further improve disassembly efficiency.
3. the electromagnetic release mechanism for breaker of the present invention, mounting base offer accommodating return springs towards slide
Mounting groove, slide includes the mounting plate extended towards mounting groove, return springs both ends bear against in installation groove sidewall with
Mounting plate；When assembly, after slide be located in mounting base, mounting plate enters in mounting groove and coordinates with return springs driving,
And mounting plate can only slide in mounting groove, define the sliding position of slide, above structure setting is simple, convenient for disassembly and assembly.
4. the electromagnetic release mechanism for breaker of the present invention, slide are structure as a whole with push rod, further reduce
The quantity of parts, improves disassembly efficiency.
5. the breaker of the present invention, lock further includes opposite with bimetal leaf to realize the third end arms of overload protection；
The end of third end arms is equipped with and vertically disposed the second drive block for bimetal leaf cooperation driving of third end arms；Third
The end that bimetal leaf is corresponded in end arms is equipped with the instruction unit for the reference adjusting position for being used to indicate bimetal leaf；Due to third end
Arm is molded on lock, is needed through double golden pull rods compared with bimetal leaf coordinates with the lock of the prior art, is reduced zero
The quantity of part, while avoiding double golden pull rods and being easy the wrongly installed problem in position, improve efficiency of assembling；And by third end arms
Upper setting instruction unit, commissioning staff quickly adjust the installation site of bimetal leaf by referring to instruction unit, improve debugging production
Efficiency.
Description of the drawings
In order to illustrate more clearly of the technical solution in the prior art or the specific embodiment of the invention, below to existing skill
Attached drawing used in art or specific implementation mode description is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of miniature circuit breaker electromagnetic release mechanism in the prior art.
Fig. 2 is the sectional view of electromagnetic release mechanism in Fig. 1.
Fig. 3 is the structural schematic diagram after breaker removal second shell in the present embodiment.
Fig. 4 is the structural schematic diagram of dynamic iron core in Fig. 3, coil, return springs.
Fig. 5 is the sectional view in the directions A-A in Fig. 3.
Fig. 6 is the structural schematic diagram of breaker.
Fig. 7 is the sectional view of breaker in Fig. 6.
Fig. 8 is the structural schematic diagram of circuit breaker operation mechanism installation on the first shell.
Fig. 9 is the structural schematic diagram of circuit breaker operation mechanism.
Figure 10 is that the structural schematic diagram after handle and handle and connecting rod is removed in Fig. 9.
Figure 11 is the decomposition texture schematic diagram of contact supporting and lock.
Figure 12 is another structural schematic diagram that Figure 10 turns over certain angle.
Figure 13 is the decomposition texture schematic diagram of contact supporting, moving contact, disjunction elastic component.
Reference numeral：01, cylinder；011, inner cavity；02, dynamic iron core；03, static iron core；04, push rod；05, resetting spring；06、
Coil；
1, first shell；11, mounting base；12, coil；13, mounting groove；120, screwed pipe portion；2, second shell；21, first
Limited block；3, dynamic iron core；31, slide；310, intermediate plate；311, the first side wall；312, second sidewall；32, push rod；33, it resets
Elastic component；34, mounting plate；4, contact supporting；40, disjunction elastic component；401, first segment；402, second segment；41, moving contact；42、
Barrier structure；43, first support groove；44, second support groove；45, support rotating shaft；46, positioning column；47, the second limit
Block；5, it latches；50, elastic component is latched；51, the first end arms；511, the first convex block；512, the second convex block；52, the second end arms；53、
Third end arms；531, the second drive block；532, instruction unit；6, handle；61, handle and connecting rod；7, bimetal leaf.
Specific implementation mode
Technical scheme of the present invention is described with reference to the accompanying drawings of the specification, it is clear that following embodiments is not this
Invent whole embodiments.Based on embodiment described in the invention, those of ordinary skill in the art are not making other wounds
The every other embodiment obtained under the premise of the property made labour, belongs to protection scope of the present invention.
It should be noted that in the description of the present invention, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implying relative importance.In addition, technology involved in invention described below different embodiments
Feature can be combined with each other as long as they do not conflict with each other.
Embodiment 1
The present embodiment provides a kind of electromagnetic release mechanisms for breaker, as shown in Figures 3 and 4, breaker include shell,
Electromagnetic release mechanism inside housings is set and makes the trigger architecture of circuit breaker tripping, electromagnetic release mechanism packet after being knocked
It includes：Coil 12 is fixedly installed relative to shell, including screwed pipe portion 120 and the flat part set on 120 both ends of screwed pipe portion, screwed pipe
Portion 120 surrounds the functional hole for forming that axis is first axle；Dynamic iron core 3, including slide 31 and the push rod 32 for being set to slide 31；
Slide 31 is slidably mounted on the mounting base 11 that shell is located at 120 side of screwed pipe portion along first axle, and push rod 32 penetrates through functional hole；
The driving lower push-rod 32 of 12 electromagnetic force of coil slides into the trigger position for hitting trigger architecture along first axle；Return springs
33, it is set between slide 31 and mounting base 11, for driving dynamic iron core 3 to be transported from trigger position along the direction far from trigger architecture
It moves to initial position.The electromagnetic release mechanism of the present embodiment, since the slide 31 of dynamic iron core 3 is slidably mounted on screwed pipe portion 120
Side, only push rod 32 penetrate through the functional hole in screwed pipe portion 120, therefore the internal diameter in screwed pipe portion 120 can be arranged to smaller, reduction
Production cost；In addition, compared with the electromagnetic release mechanism of the prior art also needs to setting static iron core, reduce the number of parts
Amount further reduced production cost, and assemble faster convenience.In the present embodiment, mounting base 11 is integrally formed in shell
On, it can also be removably secured on shell.
In the present embodiment, slide 31 is slidably connected by rail structure and mounting base 11；Rail structure includes being set to installation
The guide rail of seat 11 and 31 1 side of slide is set to the guide groove with guide rail cooperation of another party.
As shown in figure 5, mounting base 11 is the structure extended along first axle, slide 31 is to be buckled in along first axle extension
The structure of 11 side of mounting base, slide 31 assembles in such a way that button is set with mounting base 11, simple in structure, easy to disassemble, into one
Step improves disassembly efficiency.
As convertible embodiment, slide 31 can be slided along first axle direction from the side of mounting base 11 and mounting base 11
Enter assembly, shell is equipped with the position limiting structure moved between initial position and trigger position for limiting slide 31.
In the present embodiment, as shown in fig. 7, shell is provided with the first limited block being limited in slide 31 in mounting base 11
21, specifically, mounting base 11 is arranged in first shell 1, the first limited block 21 is vertically set on opposite with first shell 1 the
On two shells 2, and extend along first axle direction.
Return springs 33 are helical spring, and mounting base 11 offers the installation of accommodating return springs 33 towards slide 31
Slot 13, slide 31 include the mounting plate 34 extended towards mounting groove 13, and 33 both ends of return springs are born against in mounting groove 13
Side wall and mounting plate 34；Mounting plate 34 is equipped with protrusion for fixing helical spring, when assembly, first by helical spring one end and peace
Loading board 34 is fixed, then slide 31 be located in mounting base 11, is quickly and expediently installed.
Specifically, as shown in FIG. 7 and 8, mounting base 11 is with vertical separation setpoint distance and horizontal-extending top surface and bottom
Face, mounting groove 13 are set between top and bottom, and opening is oriented horizontal direction；Slide 31 is U-shaped structure, including corresponding top
The first side wall 311 and second sidewall 312 in face and bottom surface setting, and, it connects in the first side wall 311 and second sidewall 312
Between plate 310；Mounting plate 34 and push rod 32 are set to intermediate plate 310.
As convertible embodiment, the slide 31 and mounting base 11 of U-shaped structure could alternatively be cylindrical slide 31 and circle
Cylindricality mounting base 11, or convex shape slide 31 and convex shape mounting base 11 are replaced with, the present invention is for slide 31 and mounting base
11 shape is not especially limited.
In the present embodiment, slide 31 is structure as a whole with push rod 32, further reduces the quantity of parts, improves and tear open
Fill efficiency.
Embodiment 2
The present embodiment provides a kind of breakers, including fasten the first shell 1 and second shell 2 for shell, are arranged in shell
The operating mechanism and electromagnetic release mechanism as described in example 1 above of internal contact mechanism, control contact mechanism.
In the present embodiment, as shown in FIG. 8 and 9, operating mechanism includes：Contact supporting 4, it is rotatable by support rotating shaft 45
Ground is mounted in first shell 1, and upper and lower ends are respectively arranged with barrier structure 42 and moving contact 41；Lock 5, is rotated by holder
Axis 45 is installed in rotation on contact supporting 4, and lock 5 includes the first end arms 51；Latch elastic component 50, one end and contact supporting
4 connections, the other end are connect with lock 5；First end arms 51 is opposite with barrier structure 42 under the action of latching elastic component 50 forms
First support groove 43 and second support groove 44；Handle and connecting rod 61, one end are connect with handle 6, and the other end is movably connected on
In one rack groove 43 or second support groove 44；Handle and connecting rod 61 can push contact in first support groove 43 when sliding
5 rotation of holder 4 and lock；Disjunction elastic component 40, one end are connect with first shell 1, and the other end is connect with contact supporting 4, are being divided
Contact supporting 4 is in initial position under the action of disconnected elastic component 40.
As shown in Figure 10, first convex block 511 at 51 middle part of the first end arms and the first notch of opposite formation of barrier structure 42, the
Second convex block 512 of one end arms, 51 end is opposite with barrier structure 42 to be formed for preventing handle and connecting rod 61 from second support groove
44 the second notches skidded off；In gate-dividing state, 61 one end of handle and connecting rod is located in first support groove 43, and in lock elasticity
The width of part 50 supported its width under force effect and be more than the first notch.
When carrying out closing operation, handle and connecting rod 61 slides into from 43 position of first support groove from the first notch, due to
The snap action of lock elastic component 50 makes handle and connecting rod 61 that can not slide over the first notch from first support groove 43 and enters the
Two rack grooves 44, handle and connecting rod 61 can only push contact supporting 4 with lock 5 synchronize rotate clockwise, so that dynamic/static contact is closed.
When carrying out sub-switching operation, lock 5 occurs under the driving of the push rod 32 of bimetal leaf 7 or electromagnetic release mechanism with contact supporting 4
Relative counterclockwise rotates so that the opening of the first notch becomes larger, and when width of the opening more than 61 one end of handle and connecting rod, handle connects
Bar 61 enters second support groove 44 from first support groove 43, and operating mechanism is threaded off at this time, and contact supporting 4 is in disjunction elastic component
Return under the action of 40, makes dynamic/static contact separate, and handle and connecting rod 61 is returned to first support groove 43 under the drive of handle 6
It is interior.
In the present embodiment, lock 5 further includes second end arms 52 opposite with the push rod of electromagnetic release mechanism 32, and push rod 32 is hit
It hits the second end arms 52 driving lock 5 to rotate counterclockwise around axis, the second end arms 52 is trigger architecture.
In the present embodiment, as shown in FIG. 11 and 12, lock 5 further includes opposite with bimetal leaf 7 to realize overload protection
Third end arms 53；The end of third end arms 53 is equipped with vertically disposed for coordinating drive with bimetal leaf 7 with third end arms 53
The second dynamic drive block 531, the second drive block 531 are cylinder；The end that bimetal leaf 7 is corresponded in third end arms 53 is equipped with use
In the instruction unit 532 of the reference adjusting position of instruction bimetal leaf 7.When the overload occurs, bimetal leaf 7 generates deformation, passes through
Second drive block 531 driving 5 opposing contact holders 4 of lock rotate counterclockwise so that the opening of the first notch becomes larger, when opening is big
When the width of 61 one end of handle and connecting rod, handle and connecting rod 61 enters second support groove 44 from first support groove 43, grasps at this time
Make mechanical unlocking, return under the action of disjunction elastic component 40 of contact supporting 4 makes dynamic/static contact separate, handle and connecting rod 61 is in hand
It is returned under the drive of handle 6 in first support groove 43.
In the present embodiment, the first end arms 51, the second end arms 52 and third end arms 53 are integrated machine-shaping, due to third end
Arm 53 is molded on lock 5, is needed through double golden pull rods compared with bimetal leaf coordinates, is reduced with the lock 5 of the prior art
The quantity of parts, while avoiding double golden pull rods and being easy the wrongly installed problem in position, improve efficiency of assembling；Second drive block
531 be cylinder, and when being contacted with bimetal leaf 7, mating surface is circular arc drive surface, and bimetal leaf 7 not easy to wear, extending makes
Use the service life；And by the way that instruction unit 532 is arranged in third end arms 53, commissioning staff can be by referring to 532 fast velocity modulation of instruction unit
The installation site for saving bimetal leaf 7, improves debugging production efficiency.
In the present embodiment, instruction unit 532 is comb teeth-shaped, can accurately indicate the reference position of bimetal leaf, improve
Bimetal leaf assembles the accuracy of adjustment.Further, the position of each broach of the correspondence of instruction unit 532 is equipped with number and marks
Know, operating personnel can be more rapidly convenient to understand with reference to adjusting position intuitively by Digital ID, improves debugging production
Efficiency.
In the present embodiment, as shown in Figures 12 and 13, contact supporting 4 is equipped with the positioning column 46 installed for moving contact 41, point
Disconnected elastic component 40 is set on positioning column 46, has a first segment 401 being fixedly connected with moving contact 41, and with contact supporting 4
The second segment 402 that abuts of position limiting structure cooperation, the end of first segment 401 set by left-hand thread button on moving contact 41, second segment 402
End extend to outside contact supporting 4, and abutted with 1 inner wall of first shell.When combined floodgate, contact supporting 4 rotates clockwise, and makes point
40 accumulation of energy of disconnected elastic component；When separating brake, disjunction elastic component 40 releases energy, and driving contact supporting 4 rotates counterclockwise.
In the present embodiment, position limiting structure is the second limited block 47 in inverted L shape being arranged on contact supporting 4, the second limit
Position block 47 is opposite with contact supporting 4 to form the card slot penetrated for the second segment 402 of disjunction elastic component 40.
The divide-shut brake process of the present embodiment breaker is：
When closing by hand operates：
As shown in figure 3, breaker is in gate-dividing state, operator's driving handle rotates counterclockwise, 61 one end of handle and connecting rod
Slid into from the first notch from first support groove 43, driving contact supporting 4 and latch 5 synchronize rotate clockwise, to make
Static contact contact is connected.
When short trouble occurs：
Into Fig. 3, right direction slides dynamic iron core 3 under the electromagnetic force of coil 12, and push rod 32 is from screwed pipe portion 120
Functional hole is pierced by and hits the second end arms 52, and the second end arms 52 driving 5 opposing contact holders 4 of lock rotate counterclockwise, the first slot
Mouth becomes larger, and handle and connecting rod 61 moves to second support groove 44 from first support groove 43, and contact supporting 4 is in disjunction elastic component 40
Under the action of rotate counterclockwise, driving dynamic/static contact separation disconnects, and handle and connecting rod 61 is returned to first under the drive of handle 6
In frame groove 43.
When overload fault occurs：
Bimetal leaf 7 generates to the right deformation, passes through the second drive block 531 driving 5 opposing contacts of lock of third end arms 53
Holder 4 rotates counterclockwise so that and the opening of the first notch becomes larger, when width of the opening more than 61 one end of handle and connecting rod, handle
Connecting rod 61 enters second support groove 44 from first support groove 43, and operating mechanism is threaded off at this time, and contact supporting 4 is in disjunction elasticity
Return under the action of part 40, makes dynamic/static contact separate, and handle and connecting rod 61 is returned to first support groove 43 under the drive of handle 6
It is interior.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Variation is still in the protection scope of this invention.
Claims (15)
1. a kind of electromagnetic release mechanism for breaker, breaker includes that shell, the electromagnetism of setting inside housings are de-
Buckle mechanism and the trigger architecture for making circuit breaker tripping after being knocked, it is characterised in that：
The electromagnetic release mechanism includes：
Coil (12) is fixedly installed relative to the shell, and screwed pipe portion (120) surround the effect for forming that axis is first axle
Hole；
Dynamic iron core (3), including slide (31) and the push rod (32) for being set to the slide (31)；The slide (31) is along described
One axis is slidably mounted on the mounting base (11) that the shell is located at screwed pipe portion (120) side, push rod (32) perforation
The functional hole；The push rod (32) slides into along the first axle under the driving of coil (12) electromagnetic force hits described touch
Send out the trigger position of structure；
Return springs (33) are set between the slide (31) and the mounting base (11), for driving the dynamic iron core
(3) initial position is moved to from the trigger position along the direction far from the trigger architecture.
2. the electromagnetic release mechanism according to claim 1 for breaker, it is characterised in that：The slide (31) passes through
Rail structure is slidably connected with the mounting base (11)；The rail structure includes being set to the mounting base (11) and the slide
The guide rail of (31) one sides is set to the guide groove with guide rail cooperation of another party.
3. the electromagnetic release mechanism according to claim 1 or 2 for breaker, it is characterised in that：The mounting base
(11) it is the structure extended along the first axle, the slide (31) is to be buckled in the installation along first axle extension
The structure of seat (11) side.
4. the electromagnetic release mechanism according to claim 3 for breaker, it is characterised in that：The shell be provided with by
The slide (31) is limited in the first limited block (21) in the mounting base (11).
5. the electromagnetic release mechanism according to claim 3 for breaker, it is characterised in that：The return springs
(33) it is helical spring, the mounting base (11) offers the peace of the accommodating return springs (33) towards the slide (31)
Tankage (13), the slide (31) include the mounting plate (34) extended towards the mounting groove (13), the return springs
(33) both ends are born against in the mounting groove (13) side wall and the mounting plate (34).
6. the electromagnetic release mechanism according to claim 5 for breaker, it is characterised in that：Mounting base (11) tool
Have vertical separation setpoint distance and a horizontal-extending top and bottom, the mounting groove (13) be set to the top and bottom it
Between, opening is oriented horizontal direction；The slide (31) be U-shaped structure, including the correspondence top surface and the bottom surface setting
The first side wall (311) and second sidewall (312), and, connect the first side wall (311) and the second sidewall (312)
Intermediate plate (310)；The mounting plate (34) and the push rod (32) are set to the intermediate plate (310).
7. the electromagnetic release mechanism according to claim 1 for breaker, it is characterised in that：The slide (31) and institute
Push rod (32) is stated to be structure as a whole.
8. a kind of breaker, it is characterised in that：Including fastening first shell (1) and second shell (2) for the shell, setting
Described in any one of operating mechanism and claim 1-7 of contact mechanism, the control contact mechanism in the shell
Electromagnetic release mechanism.
9. breaker according to claim 8, which is characterized in that the operating mechanism includes：
Contact supporting (4) is installed in rotation on by support rotating shaft (45) in first shell (1), and upper and lower ends are set respectively
It is equipped with barrier structure (42) and moving contact (41)；
It latches (5), is installed in rotation on the contact supporting (4) by the support rotating shaft (45), the lock (5)
Including the first end arms (51)；
Elastic component (50) is latched, one end is connect with the contact supporting (4), and the other end is connect with the lock (5)；In the lock
First end arms (51) forms first support groove relatively with the barrier structure (42) under the action of detaining elastic component (50)
(43) and second support groove (44)；
Handle and connecting rod (61), one end are connect with handle (6), and the other end is movably connected on the first support groove (43) or second
In rack groove (44)；The handle and connecting rod (61) can push the contact in the first support groove (43) when sliding
Holder (4) and the lock (5) rotation；
Disjunction elastic component (40), one end are connect with the first shell (1), and the other end is connect with the contact supporting (4), in institute
The contact supporting (4) is in initial position under the action of stating disjunction elastic component (40).
10. breaker according to claim 9, it is characterised in that：The first convex block in the middle part of first end arms (51)
(511) opposite with the barrier structure (42) to form the first notch, the second convex block (512) of the first end arms (51) end with
The barrier structure (42) is opposite to be formed for preventing the handle and connecting rod (61) from being skidded off from the second support groove (44)
Second notch；
In gate-dividing state, described handle and connecting rod (61) one end is located in the first support groove (43), and its width is more than
The width of first notch.
11. breaker according to claim 9, it is characterised in that：The lock (5) further includes and electromagnetic release mechanism
Opposite the second end arms (52) of push rod (32), the push rod (32) hit second end arms (52) drive the lock (5) around
Shaft rotation is dynamic, and second end arms (52) is the trigger architecture.
12. breaker according to claim 9, it is characterised in that：The lock (5) further includes and bimetal leaf (7) phase
To to realize the third end arms (53) of overload protection；The end of the third end arms (53) is equipped with and the third end arms (53)
Vertically disposed the second drive block (531) for the bimetal leaf (7) cooperation driving；The third end arms (53) on pair
The end of the bimetal leaf (7) is answered to be equipped with the instruction unit for the reference adjusting position for being used to indicate the bimetal leaf (7)
(532)。
13. breaker according to claim 12, it is characterised in that：The instruction unit (532) is comb teeth-shaped.
14. breaker according to claim 9, it is characterised in that：The contact supporting (4), which is equipped with, supplies the moving contact
(41) positioning column (46) installed, the disjunction elastic component (40) are set on the positioning column (46), have and are touched with described move
The first segment (401) that head (41) is fixedly connected, and coordinate the second segment abutted with the position limiting structure of the contact supporting (4)
(402), the end of the second segment (402) extends outside to the contact supporting (4), and is supported with the first shell (1) inner wall
It connects.
15. breaker according to claim 14, it is characterised in that：The position limiting structure is to be arranged in the contact supporting
(4) the second limited block (47) in inverted L shape on, opposite formed supplies second limited block (47) with the contact supporting (4)
The card slot that the second segment (402) of the disjunction elastic component (40) penetrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585262.7A CN108493070A (en) | 2018-06-08 | 2018-06-08 | A kind of electromagnetic release mechanism and its breaker for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585262.7A CN108493070A (en) | 2018-06-08 | 2018-06-08 | A kind of electromagnetic release mechanism and its breaker for breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108493070A true CN108493070A (en) | 2018-09-04 |
Family
ID=63342188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810585262.7A Pending CN108493070A (en) | 2018-06-08 | 2018-06-08 | A kind of electromagnetic release mechanism and its breaker for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108493070A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400729A (en) * | 2019-08-27 | 2019-11-01 | 乐清市赛翔电气有限公司 | A kind of miniature circuit breaker |
| CN112382545A (en) * | 2020-10-10 | 2021-02-19 | 江苏斯菲尔电气股份有限公司 | Anti-misoperation device of miniature circuit breaker |
| WO2021142912A1 (en) * | 2020-01-15 | 2021-07-22 | 美高电气科技有限公司 | Novel mechanical mechanism circuit breaker |
-
2018
- 2018-06-08 CN CN201810585262.7A patent/CN108493070A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400729A (en) * | 2019-08-27 | 2019-11-01 | 乐清市赛翔电气有限公司 | A kind of miniature circuit breaker |
| CN110400729B (en) * | 2019-08-27 | 2024-04-26 | 乐清市赛翔电气有限公司 | Small-sized circuit breaker |
| WO2021142912A1 (en) * | 2020-01-15 | 2021-07-22 | 美高电气科技有限公司 | Novel mechanical mechanism circuit breaker |
| CN112382545A (en) * | 2020-10-10 | 2021-02-19 | 江苏斯菲尔电气股份有限公司 | Anti-misoperation device of miniature circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108493070A (en) | A kind of electromagnetic release mechanism and its breaker for breaker | |
| CN103594297A (en) | Circuit breaker | |
| CN106449318B (en) | Breaker tripping mechanism | |
| US20230411098A1 (en) | Operating mechanism of circuit breaker | |
| WO2017020816A1 (en) | Circuit breaker energy storage operating mechanism | |
| US20230377824A1 (en) | Quick tripping device and circuit breaker | |
| CN101908447A (en) | Circuit-breaker | |
| US20230377825A1 (en) | Operating mechanism of circuit breaker, and circuit breaker | |
| US20230368997A1 (en) | Operating mechanism of circuit breaker and assembling breaker | |
| JPS60131728A (en) | Breaker | |
| CN209357690U (en) | A kind of small type circuit breaker operating mechanism and miniature circuit breaker | |
| CN208589404U (en) | A kind of electromagnetic release mechanism and its breaker for breaker | |
| CN206947279U (en) | Breaker and distribution system | |
| US20230386774A1 (en) | Moving contact mechanism | |
| CN208225826U (en) | A kind of small type circuit breaker operating mechanism | |
| CN210743891U (en) | Leakage release for circuit breaker | |
| CN209071238U (en) | A kind of double-contact breaker | |
| CN209045463U (en) | A kind of operating mechanism of double-contact breaker | |
| CN202058674U (en) | Trip gear for plastic casing breaker | |
| CN109036966A (en) | The linkage structure of contactor | |
| CN211654730U (en) | Improved circuit breaker armature mounting structure | |
| CN106449206B (en) | The mounting structure of breaker stored energy assembly | |
| CN219350120U (en) | Lock catch tripping mechanism of electromagnetic circuit breaker | |
| CN216212990U (en) | Fuse state indicating device | |
| CN216054546U (en) | Circuit breaker |
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 |