CN110299271A - A kind of bistable electro magnetic mechanism - Google Patents
A kind of bistable electro magnetic mechanism Download PDFInfo
- Publication number
- CN110299271A CN110299271A CN201910602423.3A CN201910602423A CN110299271A CN 110299271 A CN110299271 A CN 110299271A CN 201910602423 A CN201910602423 A CN 201910602423A CN 110299271 A CN110299271 A CN 110299271A
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- work
- actuator
- locating piece
- low level
- revolving part
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 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 18
- 230000007704 transition Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Electromagnets (AREA)
Abstract
The present invention relates to a kind of bistable electro magnetic mechanisms, including pedestal, it is set to electromagnetic assembly and the limit assembly driven by electromagnetic assembly in pedestal, the limit assembly includes locating piece, actuator and revolving part, a work high position and work low level are set on the locating piece, and the actuator driving revolving part rotates in locating piece and or work low level stop high-order in work is positioned;The electromagnetic assembly makes actuator move up and down.By using above-mentioned protection mechanism; under limiting circuit breaker combined floodgate working condition; the mechanical structure of use is limited; electromagnetic assembly no power; and electromagnetic assembly only switchs to be powered under the transition state that off working state and off working state switch to working condition in working condition, improves the stability of the protection mechanism working condition, and reduce production cost; the service life for extending electromagnetic assembly, to reduce the generation of safety accident in circuit system.
Description
Technical field
The present invention relates to breaker control technical field, a kind of bistable state for being especially in motor-operating mechanism
Electromagnetic mechanism.
Background technique
Breaker is the switching device for connecting or disconnecting circuit, plays protection and control action in the power system;
And when electric system is broken down, breaker can execute opening operation, while need protection mechanism so that breaking in failure
Road device not can be carried out closing operation;Currently, this protection mechanism mostly uses electromagnet to be controlled, by being powered or having powered off
The limitation to breaker closing is realized at the transformation of protection mechanism working condition, and in actual use, limitation is closed
This working condition of lock, needs electromagnet to be persistently powered to keep, while the received voltage input of electromagnet is very unstable, very
It is easy to damage electromagnet, electromagnet service life can be reduced in this way, working condition will be influenced by electromagnet, it is easy to
Safety accident occurs.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of bistable electro magnetic mechanism, working condition will not be by electromagnet
Influence, reduce the generation of safety accident, while reducing cost.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of bistable electro magnetic mechanism, including pedestal, set
It is placed in electromagnetic assembly and the limit assembly driven by electromagnetic assembly in pedestal, the limit assembly includes locating piece, drives
Moving part and revolving part, setting work is high-order on the locating piece and work low level, the actuator drive revolving part
It is rotated in locating piece and or work low level stop high-order in work is positioned;The electromagnetic assembly makes on actuator
Lower movement.
Further specifically, the locating piece is fixed on the base, at least one work is high-order on the locating piece
And at least one work low level, it is oblique in the fixation of the high-order setting driving revolving part rotation between work low level of the work
Face;Limiting slot is set at the work low level.
Further specifically, the actuator includes driving ontology, the flower tooth for being set to driving bodies top and position
Limited block in driving ontology two sides, the limited block are arranged in limiting slot.
Further specifically, the revolving part includes rotating body, is set to rotating body lower part and extends downwardly
Rotation section and the work department for being set to rotating body top, the rotation section bottom angled are rotation inclined-plane.
Further specifically, the limited block and rotation section exist when the revolving part is located at work low level
In limiting slot, the rotation inclined-plane and flower tooth contact are simultaneously located in the upper half of colored tooth, and rotary part is in work low level at this time;
When revolving part movement high-order to work, the limited block moves upwards in limiting slot, and the flower tooth pushes
Rotation section moves upwards, and flower tooth is connect with constant inclined surface, and rotation inclined-plane enters a work high position along constant inclined surface.
Further specifically, the baffle for preventing actuator from continuing to move downward is arranged in the limit trench bottom.
Further specifically, the electromagnetic assembly includes magnetic core, the coil being arranged on magnetic core and is arranged in magnetic core
Interior magnetopause bar, the top of the magnetopause bar is for jacking up actuator.
Further specifically, elastic component is arranged between the revolving part and pedestal, the elastic component to rotate
Part is drawn close to locating piece.
Further specifically, the elastic component uses compressed spring.
The beneficial effects of the present invention are: under limiting circuit breaker combined floodgate working condition, being adopted by using above-mentioned protection mechanism
Mechanical structure is limited, electromagnetic assembly no power, and electromagnetic assembly only working condition switch to off working state and
Off working state switchs to be powered under the transition state of working condition, improves the stability of the protection mechanism working condition,
And production cost is reduced, the service life of electromagnetic assembly is extended, to reduce the generation of safety accident in circuit system.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is schematic cross-sectional view of the present invention;
Fig. 3 is the structural schematic diagram of pedestal and locating piece of the present invention;
Fig. 4 is the schematic cross-sectional view of pedestal and locating piece of the present invention;
Fig. 5 is the enlarged structure schematic diagram at the position A in Fig. 4;
Fig. 6 is the structural schematic diagram of actuator of the present invention;
Fig. 7 is the structural schematic diagram of revolving part of the present invention.
In figure: 1, pedestal;2, electromagnetic assembly;3, limit assembly;11, rectangle framework;12, tube body;21, magnetic core;22, magnetic
Mandril;31, locating piece;32, actuator;33, revolving part;111, positioning strip;112, positive stop strip;311, locating slot;312, it limits
Slot;313, the first constant inclined surface;314, the second constant inclined surface;315, baffle;321, ontology is driven;322, limited block;323, flower
Tooth;331, rotating body;332, rotation section;333, inclined-plane is rotated;334, work department;335, annular groove.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing.
A kind of bistable electro magnetic mechanism as shown in Figures 1 and 2, including pedestal 1, be set in pedestal 1 electromagnetic assembly 2 and
The limit assembly 3 driven by electromagnetic assembly 2, the limit assembly 3 include locating piece 31, actuator 32 and revolving part
33, setting work is high-order on the locating piece 31 and work low level, the actuator 32 drive revolving part 33 positioning
It is rotated in part 31 and or work low level stop high-order in work is positioned;The electromagnetic assembly 2 makes on actuator 32
Lower movement.Electromagnetic assembly 2 only work it is high-order to work low level, work low level to work high-order transition state when be powered work
Make, and 2 no power of electromagnetic assembly in a work high position and work low level, state are more stable.
The pedestal 1 as shown in Fig. 3, Fig. 4 and Fig. 5 includes that lower part is used to position the rectangle framework 11 of electromagnetic assembly 2, is located at length
The tube body 12 at the top of square frame 11 opens up through-hole in the middle part of lid with the lid to be set at the top of tube body 12, outside tube body 12
Card slot, card slot and card falcon cooperation is arranged in wall setting card falcon, corresponding lid portion inside, and it is fixed to be arranged on the inner wall of rectangle framework 11
Position item 111 and positive stop strip 112, can be accurate and quickly positioned and is installed to electromagnetic assembly 2;The locating piece
31 are fixed on the inner wall of tube body 12, meanwhile, it is through-hole among locating piece 31, locating piece 31 can be integrally formed with tube body 12,
Limiting slot 312 is opened up on locating piece 31, limiting slot 312 is 4 and is uniformly arranged on locating piece 31, in 2 adjacent limits
There is a positioning groove 311 between slot 312, therefore locating slot 311 is also 4, the minimum point of locating slot 311 is higher than the work of limiting slot 312
Make a little, it is high-order for work in the locating slot 311, it is work low level in limiting slot 312;Between locating slot 311 and limiting slot 312
Constant inclined surface is set, which has in 4 groups, every group is made of 2 positioning inclined-planes, respectively high from work low level to work
First constant inclined surface 313 of position and from high-order the second constant inclined surface 314 to work low level of work;At the bottom of limiting slot 312
Portion is baffle 315, and the position that can limit actuator 32 and revolving part 33 prevents it from falling out of limiting slot 312.
Actuator 32 as shown in Figure 6 includes driving ontology 321, the flower tooth 323 for being set to 321 top of driving ontology and position
Limited block 322 in driving 321 two sides of ontology, limited block 322 are arranged in the limiting slot 312 on locating piece 31, corresponding to limit
Position block 322 is also configured as 4, and electromagnetic assembly 2 makes that ontology 321 is driven to realize up and down motion, and limited block 322 is in limiting slot 312
Interior up and down motion drives the outer diameter of ontology 321 since the effect of limiting slot 312 is so that actuator 32 can only move up and down
Less than the internal diameter of locating piece 31, while limited block 32 is fastened in limiting slot 312, realizes actuator 32 in locating piece 31
It moves up and down;Flower tooth 323 is made of multiple symmetrical inclined-planes, and flower tooth 323 has 8 tooth forms, this 8 tooth forms and 4 locating slots
311,4 limiting slots 312 are arranged in a one-to-one correspondence, the upper half of each tooth form corresponding locating slot 311 or limiting slot 312
It is overlapped, lower half is overlapped with the first constant inclined surface 313 or the second constant inclined surface 314.In order to reduce weight, ontology 321 is driven
Inside is a cavity, the cavity upper opening.
What revolving part 33 as shown in Figure 7 included rotating body 331, and was set to 331 lower part of rotating body and extended downwardly turns
Dynamic portion 332 and the work department 334 for being set to 331 top of rotating body, 332 bottom angled of rotation section are rotation inclined-plane
333;Rotation section 332 is provided with 4, and the outer diameter of 4 rotation sections composition is greater than the internal diameter of 31 through-hole of locating piece and is less than tube body 12
Internal diameter, the size of rotation section 332 can be inserted in limiting slot 312, and the rotation inclined-plane 333 of 332 bottom of rotation section is in radial side
It can be contacted upwards with flower tooth 323 and be also required to contact with constant inclined surface simultaneously, is i.e. rotation inclined-plane 333 is divided into radial directions
Internal and external, outside is contacted with constant inclined surface during the work time, internal to contact during the work time with flower tooth 323.Rotation
Elastomer is set between ontology 331 and lid, and elastomer can be such that rotating body 331 draws close to locating piece 31, elastic component choosing
Use compressed spring.Work department 334 is a mandril, and mandril passes through the through-hole among lid, and compressed spring is set on mandril, simultaneously
One ring annular groove 335 is set on rotating body 331, and at 335 middle part of annular groove, one end of compressed spring is fastened on for mandril setting
In annular groove 335, the other end withstands lid, realizes the limit to compressed spring.
Electromagnetic assembly 2 as shown in Figure 2 includes magnetic core 31, the coil being arranged on magnetic core 31 and is arranged in magnetic core 21
Magnetopause, by carrying out once electrification to coil, is realized for jacking up actuator 32 in magnetopause bar 22, the top of the magnetopause bar 22
Bar 32 once moves upwards.
Bistable electro magnetic mechanism includes a working condition, an off working state and two transition states, and work shape
State is the unlatching working condition positioned at a work high position, and off working state is the closing working condition positioned at work low level, two mistakes
State is crossed respectively from a work high position to the closing transition state of work low level, from work low level to the high-order unlatching transition that works
State is successively retouched from unlatching working condition, closing transition state, closing working condition and unlatching transition state below
It states.
Opening working condition is a static working condition, and rotation section 332 is located in locating slot 311 at this time, and mandril forces
Motor-operating mechanism is in the open state, so that breaker can not close a floodgate;The limited block 322 of actuator 32 is located at limiting slot
In 312, since the baffle 315 of 312 bottom of limiting slot acts on, actuator 32 is located at the least significant end of limiting slot 312, and actuator 32 is not
It is contacted with revolving part 33;Electromagnetic assembly 2 is not powered on.
Closing transition state is a dynamic process, is triggered by the energization of electromagnetic assembly 2, to the line in electromagnetic assembly 2
Circle, which be powered, forms magnetic field, so that magnetopause bar 22 moves upwards, magnetopause bar 22 contacts with driving ontology 321 and pushes driving originally
Body 321 moves upwards, since driving ontology 321 is by the effect of limited block 322 and limiting slot 312, so that driving ontology 321 can only
It is moved along its axial direction;When actuator 32 and revolving part 33 contact, that is, spend the rotation inclined-plane 333 of tooth 323 with rotation section 332
Contact, actuator 32 push revolving part 33 to continue up, when revolving part 33 is detached from locating slot 312, the tooth form of flower tooth 323
With the second constant inclined surface 314 be connected to form the inclined-plane communicated, due to rotate at this time inclined-plane 333 only with flower 323 tooth form of tooth
Upper half contact, without the limitation of locating slot 312, so that rotation inclined-plane 333 continues to slide to the lower half of flower 323 tooth form of tooth,
When rotating inclined-plane 333 and entering the lower half for spending 323 tooth form of tooth, rotation inclined-plane 333 enters the second constant inclined surface 314 simultaneously;
Electromagnetic assembly 2 powers off at this time, and magnetopause bar 22 replys initial position due to gravity and no longer gives actuator 32 power, actuator 32
Since gravity moves downward in falling to limiting slot 312, rotation inclined-plane 333 is no longer contacted with flower tooth 323, only solid with second
Determine the contact of inclined-plane 314, rotation section 332 is moved into limiting slot 312 obliquely along the second constant inclined surface 314, when rotation is oblique
It is work low level when flower tooth 323 in face 333 and limiting slot 312 contacts.
Closing working condition is a static working condition, and limited block 322 and rotation section 332 are located at limiting slot at this time
In 312, rotation inclined-plane 333 is contacted with the upper half of flower 323 tooth form of tooth, and mandril is detached from the contact of motor-operating mechanism, is broken at this time
Road device can close a floodgate at any time;2 no power of electromagnetic assembly.
Unlatching transition state is a dynamic process, and electromagnetic assembly 2 is powered, so that magnetopause bar 22 moves upwards, magnetopause bar 22
Actuator 32 and revolving part 33 is pushed in axial direction to move upwards, when actuator 32 and revolving part 33 move to highest point
When, flower 323 tooth form of tooth and the first inclined-plane 313 one inclined-plane communicated of formation, rotation section 332 without limiting slot 312 blocking,
It rotating inclined-plane 333 and enters the first constant inclined surface 313 along flower 323 tooth form of tooth, electromagnetic assembly 2 powers off at this time, and magnetopause bar 22 is fallen after rise,
Actuator 32 is fallen after rise, and rotation inclined-plane 333 enters in locating slot 311 along the first constant inclined surface 313, into a work high position.
To sum up, using occurring two kinds of stable states after said mechanism, be in working condition and off working state, and this two
Kind state is realized by interacting between mechanical structure, and working condition no longer uses electromagnetic assembly in use
2, which are powered, is kept, and electromagnetic assembly 2 is only powered in trigger process and uses, and substantially increases the stability of the mechanism in this way, is dropped
Low production cost, while reducing the generation of safety accident.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of bistable electro magnetic mechanism, including pedestal (1), it is set to pedestal (1) interior electromagnetic assembly (2) and by electromagnetism group
The limit assembly (3) of part (2) driving, which is characterized in that the limit assembly (3) includes locating piece (31), actuator (32)
And revolving part (33), setting work is high-order on the locating piece (31) and work low level, the actuator (32) drive
Dynamic revolving part (33) rotate in locating piece (31) and are positioned in a work high position or work low level stop;The electromagnetism
Component (2) makes actuator (32) to move up and down.
2. bistable electro magnetic mechanism according to claim 1, which is characterized in that the locating piece (31) is fixed on pedestal
(1) on, at least one work high position and at least one work low level, high-order in the work on the locating piece (31)
The constant inclined surface of setting driving revolving part (33) rotation between work low level;Limiting slot is set at the work low level
(312)。
3. bistable electro magnetic mechanism according to claim 2, which is characterized in that the actuator (32) includes driving this
Body (321), the flower tooth (323) being set at the top of driving ontology (321) and the limited block for being located at driving ontology (321) two sides
(322), the limited block (322) setting is in limiting slot (312).
4. bistable electro magnetic mechanism according to claim 3, which is characterized in that the revolving part (33) includes rotating this
It body (331), the rotation section (332) for being set to rotating body (331) lower part and extending downwardly and is set to rotating body (331)
The work department (334) on top, the rotation section (332) bottom angled are rotation inclined-plane (333).
5. bistable electro magnetic mechanism according to claim 4, which is characterized in that when the revolving part (33) is located at work
When low level, the limited block (322) and rotation section (332) are in limiting slot (312), the rotation inclined-plane (333)
It is contacted with flower tooth (323) and is located in the upper half of colored tooth (323), rotation section (332) are located at work low level at this time;When described
When revolving part (33) is moved to work is high-order, the limited block (322) moves upwards in limiting slot (312), the flower
Tooth (323) pushes rotation section (332) to move upwards, and flower tooth (323) is connect with constant inclined surface, rotates inclined-plane (333) along fixation
Inclined-plane enters a work high position.
6. bistable electro magnetic mechanism according to claim 2, which is characterized in that limiting slot (312) the bottom setting
The baffle (315) for preventing actuator (32) from continuing to move downward.
7. bistable electro magnetic mechanism according to claim 1, which is characterized in that the electromagnetic assembly (2) includes magnetic core
(21), it is arranged in the coil on magnetic core (21) and the magnetopause bar (22) being arranged in magnetic core (21), the magnetopause bar (22)
Top for jacking up actuator (32).
8. bistable electro magnetic mechanism according to claim 1, which is characterized in that in the revolving part (33) and pedestal
(1) elastic component is set between, and the elastic component draws close revolving part (33) to locating piece.
9. bistable electro magnetic mechanism according to claim 8, which is characterized in that the elastic component uses compressed spring.
Priority Applications (1)
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CN201910602423.3A CN110299271B (en) | 2019-07-05 | 2019-07-05 | Bistable electromagnetic mechanism |
Applications Claiming Priority (1)
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CN201910602423.3A CN110299271B (en) | 2019-07-05 | 2019-07-05 | Bistable electromagnetic mechanism |
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CN110299271A true CN110299271A (en) | 2019-10-01 |
CN110299271B CN110299271B (en) | 2024-06-04 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5089797A (en) * | 1990-11-14 | 1992-02-18 | Westinghouse Electric Corp. | Circuit breaker with dual function electromagnetic tripping mechanism |
JP2006278001A (en) * | 2005-03-28 | 2006-10-12 | Fuji Electric Holdings Co Ltd | Electromagnetic tripping device of circuit breaker |
CN102290295A (en) * | 2010-06-15 | 2011-12-21 | 施耐德电器工业公司 | Auxiliary trip device designed to be associated with circuit breaker unit |
JP2014116241A (en) * | 2012-12-12 | 2014-06-26 | Mitsubishi Electric Corp | Circuit breaker and electromagnetic tripping device therefor |
CN104835694A (en) * | 2015-05-27 | 2015-08-12 | 科都电气有限公司 | Intelligent circuit breaker |
US20160196941A1 (en) * | 2013-08-20 | 2016-07-07 | Chih-Chuan Liang | Bistable relay and bistable actuator |
CN209947771U (en) * | 2019-07-05 | 2020-01-14 | 苏州未来电器股份有限公司 | Bistable electromagnetic mechanism |
-
2019
- 2019-07-05 CN CN201910602423.3A patent/CN110299271B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5089797A (en) * | 1990-11-14 | 1992-02-18 | Westinghouse Electric Corp. | Circuit breaker with dual function electromagnetic tripping mechanism |
JP2006278001A (en) * | 2005-03-28 | 2006-10-12 | Fuji Electric Holdings Co Ltd | Electromagnetic tripping device of circuit breaker |
CN102290295A (en) * | 2010-06-15 | 2011-12-21 | 施耐德电器工业公司 | Auxiliary trip device designed to be associated with circuit breaker unit |
JP2014116241A (en) * | 2012-12-12 | 2014-06-26 | Mitsubishi Electric Corp | Circuit breaker and electromagnetic tripping device therefor |
US20160196941A1 (en) * | 2013-08-20 | 2016-07-07 | Chih-Chuan Liang | Bistable relay and bistable actuator |
CN104835694A (en) * | 2015-05-27 | 2015-08-12 | 科都电气有限公司 | Intelligent circuit breaker |
CN209947771U (en) * | 2019-07-05 | 2020-01-14 | 苏州未来电器股份有限公司 | Bistable electromagnetic mechanism |
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