CN108916454B - Big stroke armature closed type energy-saving electromagnetic valve - Google Patents
Big stroke armature closed type energy-saving electromagnetic valve Download PDFInfo
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- CN108916454B CN108916454B CN201810582562.XA CN201810582562A CN108916454B CN 108916454 B CN108916454 B CN 108916454B CN 201810582562 A CN201810582562 A CN 201810582562A CN 108916454 B CN108916454 B CN 108916454B
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- iron core
- static iron
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
- H01F2007/086—Structural details of the armature
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
The present invention provides a kind of big stroke armature closed type energy-saving electromagnetic valve, which uses conical surface armature structure, not only increases and is attracted initial power output, but also increases and be attracted side retentivity；It is added to magnetic conduction ring structure, can not only increase the initial power output of release, but also can reduce release side retentivity, reduces and is attracted number of ampere turns, improve and be attracted sensitivity；Using double coils in series structure, in attracting process, following coil plays the role of offsetting lower part permanent magnet flux, coil above plays the role of increasing top permanent magnet flux, during release, coil above plays the role of offsetting top permanent magnet flux, and coil below, which plays, increases lower part permanent magnet flux.The present invention overcomes conventional solenoid valves to control the disadvantages of existing stroke is short, monostable is kept, power consumption is big, has many advantages, such as that small in size, power output and retentivity are big, bistable state, permanent magnet circuit are kept, energy conservation.
Description
Technical field
The invention patent relates to be solenoid valve application field, specifically a kind of big stroke armature closed type bistable electromagnetic
Valve design.
Background technique
With the high speed development of China's economic, a kind of actuator of the solenoid valve as instrument and meter for automation, dosage is anxious in recent years
Play rises, and is widely used in each field industry such as machinery, petrochemical industry, electric power and national defence scientific research.Currently, mostly using greatly in the market
The control of fluid pressure type valve, stroke is short, and monostable is kept, and power consumption is high, needs to be powered always, not energy-efficient.
For the problem present on, a kind of permanent-magnet double steady-state solenoid valve is provided, increases stroke and power output, using just
Reverse impulse driving, pipeline is simple, and at low cost, small in size, expansibility is strong, becomes the very big demand in present market.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of big stroke armature closed type energy-saving electromagnetic valve, specifically,
The present invention provides technical solutions below:
A kind of big stroke armature closed type energy-saving electromagnetic valve, the solenoid valve include armature (a1), one or more permanent magnetism
Body (a2), sleeve (a3), shell (a4), upper yoke (a5), static iron core (a6), coil one (a7), coil two (a8), coil rack
(a9), magnetic guiding loop (a10)；
Wherein the permanent magnet (a2) is sector structure, and permanent magnet (a2) is located at the middle layer of coil rack (a9), sleeve
(a3) the upper plane contact of bottom surface and static iron core (a6), external at static iron core (a6) and sleeve (a3) install magnetic guiding loop
(a10),
The armature (a1) is movable member, is sealed in sleeve (a3)；
Preferably, the armature (a1), shell (a4), upper yoke (a5), static iron core (a6), magnetic guiding loop (a10) are magnetic conduction
Material, sleeve (a3) and coil rack (a9) are non-magnet material.
Preferably, the armature (a1) is direct dynamic structure, and end face uses cone structure thereon, increases positive area, subtracts
Small magnetic gap, lower end surface are plane.
Preferably, the contour structures of the static iron core (a6) are cylinder, are fixed on shell (a4).
Preferably, the sleeve (a3) is that wall thickness is certain, cylindrical shape of bottom end closure.
Preferably, the magnetic guiding loop (a10) uses cylindrical structure, is mounted on coil rack (a9) and static iron core (a6), outer
Between shell (a4).
Preferably, the permanent magnet (a2) uses sector structure, and magnetizing direction is radial magnetizing, the coil rack (a9)
Middle layer be coil rack (a9) upper middle position.Permanent magnet is that armature (a1) provides retentivity.
Preferably, on the coil rack (a9) of the upper and lower part of the permanent magnet (a2) respectively wound around coil one (a7)
With coil two (a8), coil one (a7) and coil two (a8) use series system.
Preferably, the armature lower end (a1) closure, is in releasing position, the lower end surface and side of armature (a1) and quiet iron
The medial surface formation working gas gap 1 of the core upper surface (a6) and the magnetic guiding loop upper half (a10) beyond the part static iron core (a6)；
Coil one (a7), coil two (a8) are wrapped on coil rack (a9), the conical surface and upper yoke (a5) of armature (a1)
Upper pole face forms working gas gap 2；
Permanent magnet (a2) medial surface and armature (a1) lateral surface form non-working-gap 3.
It is further preferable that the permanent magnetic circuit magnetic flux of electric current is not added in coil one (a7), coil two (a8) in the solenoid valve
With two closed magnetic circuits, --- non-working-gap 3 --- lower half of armature (the a1) --- work of magnetic circuit 1: the pole N of permanent magnet
Air gap 1 --- static iron core (a6) and magnetic guiding loop (the a10) --- bottom shell (a4) --- lower half of shell (a4) --- permanent magnetism
The pole S of body；Magnetic circuit 2: the pole N of permanent magnet --- non-working-gap 3 --- upper half of armature (a1) --- working gas gap 2 ---
Upper yoke (a5) --- upper half shell (a4) --- pole S of permanent magnet.
Preferably, armature (a1) is when lower end is closed, and is in releasing position, when coil one (a7), coil two (a8) are positive
It is powered, then armature (a1) is moved from releasing position to attracted position, and armature (a1) completes adhesive action.It needs to illustrate herein
Be, should " forward direction be powered ", " reversed to be powered " merely to the both direction for distinguishing electric current is different, should not be understood as to current direction
Or the positive and negative restriction of electrode.
It is further preferable that above-mentioned adhesive action detailed process, can realize as follows: when coil one (a7), coil two
(a8) it is powered, forms electromagnetism flux closure magnetic circuit: static iron core (a6) and magnetic guiding loop (a10) --- working gas gap 1 --- armature
(a1) --- working gas gap 2 --- upper yoke (a5) --- shell (a4) --- static iron core (a6) and magnetic guiding loop (a10).Work gas
Electromagnetism flow direction is contrary with permanent magnet flux magnetic circuit 1 at gap 1, and the suction at working gas gap 1 reduces, at working gas gap 2
The direction of permanent magnet flux magnetic circuit 2 is identical as electromagnetism flow direction, and the suction at working gas gap 2 increases.Under the action of suction, rank
Iron (a1) is moved from releasing position to attracted position, and armature (a1) completes adhesive action.
Preferably, anti-to coil one (a7), coil two (a8) when armature (a1) is closed in upper end, is in attracted position
To energization, then armature (a1) is moved from attracted position to releasing position, and armature (a1) completes release movement.
It is further preferable that above-mentioned release movement detailed process, can realize as follows: giving coil one (a7), coil two
(a8) lead to reverse current, form electromagnetism flux closure magnetic circuit: armature (a1) --- working gas gap 1 --- static iron core (a6) and magnetic conduction
Ring (a10) --- shell (a4) --- upper yoke (a5) --- working gas gap 2 --- armature (a1).Electromagnetism magnetic at working gas gap 2
Logical direction is contrary with permanent magnet flux magnetic circuit 2, and the suction at working gas gap 2 reduces, permanent magnet flux magnetic circuit at working gas gap 1
1 direction is identical as electromagnetism flow direction, and the suction at working gas gap 1 increases.Under the action of suction, armature (a1) is by being attracted
Position is moved to releasing position, and armature (a1) completes release movement.
Compared with the prior art, technical solution of the present invention has following advantages: overcoming conventional solenoid valve control and exists
The disadvantages of stroke is short, monostable is kept, power consumption is big, there is small in size, power output and retentivity is big, bistable state, permanent magnet circuit
The advantages that keeping, be energy saving.
Detailed description of the invention
Fig. 1 is the basic structure sectional view of the embodiment of the present invention；
Fig. 2 is the armature part schematic diagram of the embodiment of the present invention；
Fig. 3 is the magnetic conduction shaped part schematic diagram of the embodiment of the present invention；
Fig. 4 is the coil block schematic diagram of the embodiment of the present invention；
Fig. 5 is the basic magnetic structure releasing position sectional view of the embodiment of the present invention；
Fig. 6 is the basic magnetic structure attracted position sectional view of the embodiment of the present invention；
Fig. 7 is that positive three axis of the practical set of the embodiment of the present invention surveys assembling schematic diagram.
In figure: a1: armature, a2: permanent magnet, a3: sleeve, a4: shell, a5: upper yoke, a6: static iron core, a7: coil one,
A8: coil two, a9: coil rack, a10: magnetic guiding loop.
Specific embodiment
Below in conjunction with the figure in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other implementation obtained under that premise of not paying creative labor
Example, shall fall within the protection scope of the present invention.
Embodiment 1
In a specific embodiment, solenoid valve provided by the invention can be realized by following frame mode.
It is provided by the invention to can be applied to the multi-field armature closed type bistable electromagnetic valve systems such as valve control, be suitable for
Applied to valve control system such as air-conditioning, oil pipeline, in hot duct equipment, possess that stroke is big, High power output, uses
Positive and negative pulse driving, bistable permanent magnetic circuit are kept, and pipeline is simple, feature at low cost, small in size, using Mr. Yu's electromagnetic system
After system, the change of power can quickly be adjusted by replacing permanent magnet (within the scope of magnetic saturation), can also be according to practical feelings
The multiple adjustment of condition progress permanent magnetism and part size.
It specifically, include armature a1, permanent magnet a2, sleeve a3, shell a4, upper yoke on the electromagnetic valve structure in conjunction with Fig. 1
A5, static iron core a6, one a7 of coil, coil two a8, coil rack a9, magnetic guiding loop a10.In the case where permanent magnet uses muti-piece,
Such as eight pieces, then eight pieces of permanent magnets are sector structure, are diametrically magnetized.Certainly, permanent magnet herein can also use 1
The equal set-up modes of block or 4 pieces, not using permanent magnet number as restriction at this.
Permanent magnet a2 is located at the upper middle position of coil rack a9, and the bottom surface of sleeve a3 and the plane of static iron core a6 connect
Touching, installs the magnetic guiding loop a10 of certain altitude outside the diameter of static iron core a6 and sleeve a3, this certain altitude for example can be
Static iron core a6 is surrounded entirely, and surrounds a part of the lower part sleeve a3, is also possible to the height of slightly below coil rack a9 half
Degree perhaps its height be slightly below the bottom shell a4 to the height of the lower surface of permanent magnet a2 or its height be the bottom shell a4
To the height of lower surface etc. of permanent magnet a2, specific set-up mode can need to be adjusted according to the setting of magnetic circuit.Peace
Magnetic guiding loop a10 is filled, the face polar area between armature a1 and magnetic guiding loop a10, static iron core a6 is increased, it is initial defeated to increase release
Power output reduces release side retentivity.
Armature a1 is that movable member is sealed in sleeve a3, upper surface it is further preferable that armature a1 is direct dynamic structure
Using cone structure, increase positive area, reduces magnetic gap, lower end surface is plane.
In a specific embodiment, permanent magnet a2 uses sector structure, if permanent magnet uses the structure of muti-piece,
For example, by using eight pieces, then eight pieces of permanent magnets are uniformly placed in the middle layer of coil rack a9, magnetizing direction is radial magnetizing, forever
Magnet provides retentivity for armature a1.One a7 of wound around coil, line are distinguished on the coil rack a9 of the upper and lower part of permanent magnet
Two a8 are enclosed, one a7 of coil, two a8 of coil use series system.
In a specific embodiment, armature a1 is direct dynamic structure, is moved straight up and down in sleeve a3, upper end
Section is taper, and lower end surface is circular flat, and armature upper surface can both be increased using the structure of the conical surface is attracted initial power output,
Also it can increase the retentivity for being attracted side.Permanent magnet a2 can be changed to a variety of materials such as neodymium iron boron, alnico, ferrite according to actual requirement
Matter, it provides the retentivity effect of end for armature a1.Coil rack a9 covers outside sleeve a3 and magnetic guiding loop a10, is mounted on
Inside shell a4, integrally it is divided into upper, middle and lower-ranking, permanent magnet is mounted on middle layer, and one a7 of coil, two a8 of coil winding are online
The upper and lower of ring framework a9.Static iron core a6 is cylindrical structure, and sleeve a3 is that wall thickness is certain, cylindrical shape of bottom end closure,
Magnetic guiding loop a10 is installed, upper end is pierced by from the intermediate circular hole of upper yoke a5 outside diameter.The side of shell a4 is integrated with lower end surface
Formula structure is connected by the way of fastened by screw between upper yoke a5 and shell a4.
Under initial release state, when one a7 of coil, two a8 of coil are not powered on, the permanent magnetic field that permanent magnet generates is to armature
A1 generates suction, and the lower end surface and side and the upper surface static iron core a6 of armature a1 and the upper half magnetic guiding loop a10 exceed quiet iron
The medial surface of the part core a6 forms working gas gap 1, and the armature a1 conical surface and upper yoke a5 form working gas gap 2 at this time.To coil one
A7, two a8 of coil adds forward current, and at working gas gap 1, the flow direction and permanent magnetism that one a7 of coil, two a8 of coil are generated are generated
Magnetic circuit 1 flow direction on the contrary, play weaken working gas gap 1 at permanent magnet flux purpose, reduce release side electromagnetism inhale
Power, meanwhile, at working gas gap 2, the magnetic flux for the magnetic circuit 2 that the flow direction and permanent magnetism that one a7 of coil, two a8 of coil are generated generate
Direction is identical, plays the purpose for reinforcing permanent magnet flux at working gas gap 2, increases the electromagnetic attraction for being attracted side, armature a1 is in electricity
It is moved under the action of magnetic attraction resultant force from release side to side is attracted, completes adhesive action.
When armature a1 is at attracted position, add reverse current to one a7 of coil, two a8 of coil, at working gas gap 2, coil
The flow direction for the magnetic circuit 2 that the flow direction and permanent magnetism that one a7, two a8 of coil are generated generate weakens working gas gap 2 on the contrary, playing
The purpose for locating permanent magnet flux reduces the electromagnetic attraction for being attracted side, meanwhile, at working gas gap 1, one a7 of coil, two a8 of coil
The flow direction of generation is identical as the flow direction of magnetic circuit 1 that permanent magnetism generates, and plays the mesh for reinforcing permanent magnet flux at working gas gap 1
, the electromagnetic attraction of release side is increased, armature a1 is moved under the action of electromagnetic attraction resultant force from actuation side to release side, complete
At release movement.
The present invention mainly gets down to propose that a kind of bistable electromagnetic valve arrangement containing permanent magnetism that can be applied to valve control is set
The features such as meter, this structure has pipeline simple, small in size, at low cost, and bistable state, permanent magnet circuit keep, are energy saving.
Embodiment 2
In a specific embodiment, solenoid valve provided by the invention, the specific course of work can in the following manner into
Row:
Such as Fig. 5, the lower end armature a1 closure is in releasing position, the lower end surface and side and the upper end static iron core a6 of armature a1
The medial surface formation working gas gap 1 of face and the upper half magnetic guiding loop a10 beyond the part static iron core a6；One a7 of coil, two a8 of coil are twined
It is wound on coil rack a9, the conical surface of armature a1 and upper yoke a5 upper pole face form working gas gap 2.Permanent magnet medial surface and armature
A1 lateral surface forms non-working-gap 3, and the permanent magnetic circuit magnetic flux that electric current is not added in one a7 of coil, two a8 of coil at this time has two and closes
Magnetic circuit is closed, --- --- lower half of armature a1 --- working gas gap 1 --- is quiet for non-working-gap 3 for magnetic circuit 1: the pole N of permanent magnet
Iron core a6 and the --- pole S of the bottom shell a4 --- lower half of shell a4 --- permanent magnet magnetic guiding loop a10；Magnetic circuit 2: permanent magnet
The pole the N --- --- upper half of armature a1 --- working gas gap 2 --- upper yoke a5 --- shell a4 upper half of non-working-gap 3
The pole S of portion --- permanent magnet.Working gas gap 2 is greater than working gas gap 1 at this time, therefore the permanent magnet flux of magnetic circuit 1 is much larger than magnetic circuit 2
Permanent magnet flux, armature a1 can be maintained at releasing position under coil power-down conditions.
If Fig. 5, armature a1 are closed in lower end, it is in releasing position, is produced when in one a7 of coil, two a8 of coil energization, magnetic circuit
Anticlockwise electromagnetism magnetic flux is given birth to, electromagnetism flow direction is contrary with permanent magnet flux magnetic circuit 1 at working gas gap 1, work
Suction at air gap 1 reduces, and the direction of permanent magnet flux magnetic circuit 2 is identical as electromagnetism flow direction at working gas gap 2, working gas gap 2
The suction at place increases.Under the action of suction, armature a1 is moved from releasing position to attracted position, and armature a1 completes to be attracted dynamic
Make.
If Fig. 6, armature a1 are closed in upper end, it is in attracted position, two closed magnetic circuits and armature of permanent magnetic circuit magnetic flux
Path of the a1 at releasing position is identical, but since armature a1 is in attracted position, working gas gap 2 is less than working gas gap 1, therefore
The permanent magnet flux of magnetic circuit 1 is less than the permanent magnet flux of magnetic circuit 2, and armature a1 can be maintained at attracted position under coil power-down conditions.
Armature a1 is closed in upper end, is in attracted position, is led to reverse current to one a7 of coil, two a8 of coil, is produced in magnetic circuit
Clockwise electromagnetism magnetic flux is given birth to, electromagnetism flow direction is contrary with permanent magnet flux path 2 at working gas gap 2, work
Suction at air gap 2 reduces, and the direction in permanent magnet flux path 1 is identical as electromagnetism flow direction at working gas gap 1, working gas gap 1
The suction at place increases.Under the action of suction, armature a1 is moved from attracted position to releasing position, and it is dynamic that armature a1 completes release
Make.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. a kind of big stroke armature closed type energy-saving electromagnetic valve, which is characterized in that the solenoid valve includes armature (a1), one or
Multiple permanent magnets (a2), sleeve (a3), shell (a4), upper yoke (a5), static iron core (a6), coil one (a7), coil two (a8),
Coil rack (a9), magnetic guiding loop (a10)；
Wherein the permanent magnet (a2) is sector structure, and the permanent magnet (a2) is located at the middle layer of coil rack (a9), sleeve
(a3) the upper plane contact of bottom surface and static iron core (a6), external at static iron core (a6) and sleeve (a3) install magnetic guiding loop
(a10)；
The armature (a1) is movable member, is sealed in sleeve (a3)；
The armature (a1), shell (a4), upper yoke (a5), static iron core (a6), magnetic guiding loop (a10) are permeability magnetic material, sleeve
It (a3) is non-magnet material with coil rack (a9)；
The armature (a1) is direct dynamic structure, and end face uses cone structure thereon, and lower end surface is plane；
For wall thickness, certain, bottom end closure cylindrical shape, diameter install magnetic guiding loop (a10) outside to sleeve (a3)；
The magnetic guiding loop (a10) uses cylindrical structure, is mounted between coil rack (a9) and static iron core (a6), shell (a4).
2. solenoid valve according to claim 1, which is characterized in that the contour structures of the static iron core (a6) are cylinder,
It is fixed on shell (a4).
3. solenoid valve according to claim 1, which is characterized in that the permanent magnet (a2) uses sector structure, the side of magnetizing
To for radial magnetizing, the middle layer of the coil rack (a9) is the upper middle position of coil rack (a9).
4. solenoid valve according to claim 3, which is characterized in that the coil in the upper and lower part of the permanent magnet (a2)
Wound around coil one (a7) and coil two (a8) are distinguished on skeleton (a9), coil one (a7) and coil two (a8) use series system.
5. solenoid valve according to claim 1, which is characterized in that the armature lower end (a1) closure is in releasing position,
The lower end surface and side and the static iron core upper surface (a6) of armature (a1) and the magnetic guiding loop upper half (a10) exceed the part static iron core (a6)
Medial surface, formed working gas gap 1；
Coil one (a7), coil two (a8) are wrapped on coil rack (a9), pole on the conical surface and upper yoke (a5) of armature (a1)
Face forms working gas gap 2；
Permanent magnet (a2) medial surface and armature (a1) lateral surface form non-working-gap 3.
6. solenoid valve according to claim 1, which is characterized in that armature (a1) is closed in lower end, when being in releasing position,
When coil one (a7), the positive energization of coil two (a8), then armature (a1) is moved from releasing position to attracted position, and armature (a1) is complete
At adhesive action.
7. solenoid valve according to claim 1, which is characterized in that when armature (a1) is closed in upper end, in attracted position
When, it is reversely powered to coil one (a7), coil two (a8), then armature (a1) is moved from attracted position to releasing position, armature
(a1) release movement is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810582562.XA CN108916454B (en) | 2018-06-07 | 2018-06-07 | Big stroke armature closed type energy-saving electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810582562.XA CN108916454B (en) | 2018-06-07 | 2018-06-07 | Big stroke armature closed type energy-saving electromagnetic valve |
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| CN108916454B true CN108916454B (en) | 2019-11-12 |
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| CN114526342B (en) * | 2022-01-13 | 2023-09-08 | 中科首望无水染色智能装备(苏州)有限公司 | Long-range electromagnetic sealing flash explosion device and working method |
| CN117438254A (en) * | 2022-07-13 | 2024-01-23 | 厦门宏发电力电器有限公司 | Electromagnetic drive unit and relay |
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| US5787915A (en) * | 1997-01-21 | 1998-08-04 | J. Otto Byers & Associates | Servo positioning system |
| EP1698817A2 (en) * | 2005-03-05 | 2006-09-06 | Arichell Technologies, Inc. | Electromagnetic apparatus and method for controlling fluid flow |
| CN101761667A (en) * | 2008-12-26 | 2010-06-30 | 浙江三花制冷集团有限公司 | Bistable electromagnetic valve |
| CN106763998A (en) * | 2016-11-29 | 2017-05-31 | 西安航天动力研究所 | A kind of miniature bistable state latching valve |
| CN106847465A (en) * | 2017-03-24 | 2017-06-13 | 南京理工大学 | A kind of low power consumption fast responds electromagnet |
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2018
- 2018-06-07 CN CN201810582562.XA patent/CN108916454B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004258A (en) * | 1974-11-20 | 1977-01-18 | Valcor Engineering Corporation | Position indicating pulse latching solenoid |
| US5787915A (en) * | 1997-01-21 | 1998-08-04 | J. Otto Byers & Associates | Servo positioning system |
| EP1698817A2 (en) * | 2005-03-05 | 2006-09-06 | Arichell Technologies, Inc. | Electromagnetic apparatus and method for controlling fluid flow |
| CN101761667A (en) * | 2008-12-26 | 2010-06-30 | 浙江三花制冷集团有限公司 | Bistable electromagnetic valve |
| CN106763998A (en) * | 2016-11-29 | 2017-05-31 | 西安航天动力研究所 | A kind of miniature bistable state latching valve |
| CN106847465A (en) * | 2017-03-24 | 2017-06-13 | 南京理工大学 | A kind of low power consumption fast responds electromagnet |
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| CN108916454A (en) | 2018-11-30 |
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