CN102217012B - Electromagnetic device - Google Patents
Electromagnetic device Download PDFInfo
- Publication number
- CN102217012B CN102217012B CN200980144788.0A CN200980144788A CN102217012B CN 102217012 B CN102217012 B CN 102217012B CN 200980144788 A CN200980144788 A CN 200980144788A CN 102217012 B CN102217012 B CN 102217012B
- Authority
- CN
- China
- Prior art keywords
- magnet
- permanent magnet
- frame
- support chip
- framework
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 3
- 230000002687 intercalation Effects 0.000 claims description 12
- 238000009830 intercalation Methods 0.000 claims description 12
- 230000004907 flux Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Magnetic force deteriorates in a shorter time due to fastening pressure applied to a permanent magnet and positional shift of the permanent magnet due to vibration at the time of assembling an electromagnetic device having the permanent magnet attached thereto. A frame-shaped magnet holder composed of a nonmagnetic material is provided. The magnet holder is formed with a thickness equivalent to or slightly more than that of the permanent magnet, and is provided with a fixing arm, which is connected to one edge of the frame-like body along the center line thereof and has a fixing hole. Furthermore, supporting pieces are arranged to face the fixing arm with a hollow section therebetween, such that the supporting piece ends on one side are connected to the edge of the frame-like body and that the other ends are in the opened state. On the surface where each supporting piece and the frame-like edge face each other, a space where the permanent magnet or a magnetic short-circuiting piece is fitted and inserted is provided.
Description
Technical field
The present invention relates to electromagnet apparatus, relate in particular to for keeping being installed in permanent magnet on the electromagnet and the magnet holder of magnet short-cut path sheet.
Background technology
General shutter, portion has the pair of electrodes that is made of fixed electrode and movable electrode within it, implements the open and close control of shutter by the control of electromagnet apparatus.Electromagnet apparatus is made of magnet exciting coil, iron core, framework etc., and the magnetic attraction that produces when making exciting current flow through magnet exciting coil is closed to fixation side to moving element.Be used for keeping locking (the ラ Star チ) mode of described closure state, known have continuous excitation (Japanese: Chang Time excitation), mechanical latching and a magnetic latch.
In the prior art, in order to be kept closed, owing to needing right, continue to the magnet exciting coil energising, so can waste the electric power of consumption.Prevent gimmick as it, the technology of known patent document 1.
In the patent documentation 1, except magnet exciting coil also arranges permanent magnet, the magnetic attraction by permanent magnet is kept closed, when shutter is transferred to closure state, stop towards magnet exciting coil energising, the electromagnetic attraction by permanent magnet is kept closed seeks to save energy.
Patent documentation 1: TOHKEMY 2002-8498 communique (especially Fig. 2)
Summary of the invention
The applicant has proposed the good electromagnet apparatus of a kind of usability, in this electromagnet apparatus, more small-sized permanent magnet is arranged on the maximization that suppresses electromagnet apparatus between framework and the moving element, and, can be used for continuous excitation formula and electric-magnetic lock formula to an electromagnet apparatus.
Have the occasion of the electromagnet apparatus of permanent magnet in formation, come off because vibration waits in order to prevent permanent magnet, when assembling, by some method that permanent magnet is fastening fixing.
Permanent magnet is owing to produce the problem that location dislocation etc. exists magnetic force to reduce in advance because of fastening generation pressure, because of vibration.
Therefore, the purpose of this invention is to provide a kind of electromagnet apparatus, it can keep this permanent magnet under the situation of permanent magnet not being exerted pressure, and can not produce location dislocation because of vibration.
Electromagnet apparatus of the present invention is accommodated in the electromagnet that has magnet exciting coil, stator and be fixed on the moving element on the movable axis in the framework, and permanent magnet is provided in by in the magnetic loop that forms towards the magnet exciting coil energising, it is characterized in that:
The magnet holder that is made of nonmagnetic material is being set about electromagnet apparatus and between framework and the magnet exciting coil, this magnet holder forms shaped as frame, and thickness and the identical of permanent magnet or thick slightly than permanent magnet, and magnet holder is provided with fixed arm, support chip and space; Fixed arm is connected setting along the center line of shaped as frame with a limit of magnet holder, and has the fixedly hole of usefulness; Support chip disposes up and down with this fixed arm respectively opposite to each other across hollow bulb, and an end of this support chip is connected setting with a limit of shaped as frame, the other end is arranged to open state; In the space, any in permanent magnet and the magnet short-cut path sheet is by intercalation each forward surface on the limit of each support chip and shaped as frame.
Electromagnet apparatus of the present invention is characterised in that position on framework, that face toward from open end outside and each support chip is provided with otch.
The invention is characterized in, at the distolateral retainer that is provided with of the opening of each support chip.
As mentioned above, according to the present invention, permanent magnet, the intercalation of magnet short-cut path sheet are remained in the space that forms on the magnet holder.Thus, it is fastening that permanent magnet does not need to install, and can prevent that magnetic force from dying down and reduce with fastening.In addition, owing to permanent magnet forms by the state of intercalation in the magnet holder space, so, can prevent from causing dislocation because of vibration.
And then the position that the open end from the support chip of outside and the magnet holder that is mounted on framework faces toward is provided with peristome, thus, carries out the installation replacing of permanent magnet, magnet short-cut path sheet easily after the electromagnet apparatus assembling.
Description of drawings
Fig. 1 is the front view of the electromagnet apparatus of expression embodiments of the invention.
Fig. 2 is the partial perspective end view of the electromagnet apparatus of expression embodiments of the invention.
Fig. 3 is the sectional view of the electromagnet apparatus of expression embodiments of the invention.
Fig. 4 is the structure chart of the magnet holder used among the present invention.
Embodiment
Fig. 1～Fig. 3 is pie graph of the present invention, and Fig. 1 is front view, and Fig. 2 is the fragmentary, perspective view of observing from the side of Fig. 1, and Fig. 3 is the sectional view of observing from the side.In each figure, 1 for being provided with the movable axis of screw thread at two ends, 2 for forming columnar stator, in the hole of this stator 2, be penetrated with an end of movable axis, 3 for being fixed on moving element on the movable axis 1, between this moving element 3 and stator 2 so that the mode that moving element and stator separate is pressed slotting blocking spring 4 always.5 is coil former, and around stator 2, moving element 3 and blocking spring 4, magnet exciting coil 6 in package in this frame.7 is framework, and an end forms the コ shape that is an end closure shape, and hole 7a runs through the central part that is arranged on this end closure, and an end of movable axis 1 connects this hole 7a.
8 is the end plate that similarly has the コ shape that forms an end closure in hole at central part with framework, 9 is framework panel (framework), the other end of movable axis 1 connects this framework panel 9, this framework panel 9 covers from that side opposite with framework 7, clips end plate 8 and magnet holder described later 10 usefulness bolts 21 are fixed into one with framework 7.And the position of the holding position of support chip on framework panel 9, that can see magnet holder 10 from the outside and permanent magnet is provided with the peristome of incision.
22 is support tube, and the edge surface intercalation in the hole of end plate 8 is at an end of support tube 22.And moving element 3 inserts in the tube of support tube 22 with moving freely.23 is check plate, is fixed on the movable axis 1 with nut 24 in the mode that forms movable width L between the inwall of check plate 23 and framework panel 9.25 are action expression body, and 26 permanent magnets for keeping with magnet holder 10 are inserted into and produce the magnetic force that is used for keeping stator 2 and the contact condition of moving element 3 in the magnetic loop of electromagnet.
Fig. 4 represents magnet holder 10, and magnet holder 10 forms shaped as frame.Magnet holder 10 is made of resin (plastics), is used for keeping permanent magnet and magnet short-cut path sheet, and the position along center line on a limit of frame 11 connects fixed arm 12 is set, and is provided with hole 12a in the tip position of fixed arm 12.14 (14a, 14b) are support chip, and outstanding being arranged on across hollow bulb 13 and fixed arm 12 position in opposite directions is provided with retainer 15 in its open termination.In addition, be provided with the space 16 (16a, 16b) with h1 height and h2 height on each limit up and down that constitutes frame 11 and 14 of each support chips.Thus, support chip 14 is that fulcrum forms spring performance towards centerline direction to be connected that side that arranges with frame 11.16 height is the position of h1 in the space in permanent magnet 26 intercalations, and 27 intercalations of magnet short-cut path sheet are 16 the scope from height h1 to height h2 in the space.
Here, permanent magnet 26 intercalations in the 16a of space, 27 intercalations of magnet short-cut path sheet in the 16b of space, still, described intercalation position can be selected arbitrarily according to purposes.
By any intercalation in permanent magnet 26 or the magnet short-cut path sheet 27 in space 16, make magnet holder 10 clip center line by identical shaped formation.And the thickness of magnet holder 10 is identical with permanent magnet 26, perhaps forms thicklyer slightly than it, can not constitute because of the mode that installation is under pressure permanent magnet, prevents from changing because of pressure the characteristic of permanent magnet 26.
Otch 11a, the 11b of frame 11 are used for running through set bolt.
In the electromagnet apparatus that constitutes as described above, when not having streaming current in the magnet exciting coil 6, be fixed on the movable axis 1 check plate 23 because of the bounce of blocking spring 4 shown in chain-dotted line like that and the inwall butt of framework panel 9, the shutter that is connected with movable axis 1 under stator 2 and state that moving element 3 leaves is dissengaged positions.From the magnetic flux of the permanent magnet 26 in the dissengaged positions, flow through the magnetic loop that is formed by permanent magnet 26 → end plate 8 → support tube 22 → moving element 3 → check plate 23 → framework panel 9 → framework 7 → permanent magnet 26.
Then, in magnet exciting coil 6, produce magnetic flux during streaming current
This magnetic flux flow is crossed the magnetic loop that is formed by framework 7 → permanent magnet 26 → end plate 8 → support tube, 22 → moving element 3 and stator 2.The magnetic flux of this moment is the magnetic flux sum that is produced by the magnetic flux of magnet exciting coil 6 generations and permanent magnet 26, by the magnetic attraction that the magnetic flux that lumps together produces moving element 3 is resisted 4 attractions of blocking springs to stator 2, keeps this state.Movable axis 1 is also mobile together with moving element 3, thereby makes shutter be closure state.
According to the embodiments of the invention that constitute as described above, be used for the permanent magnet of electromagnet apparatus, the magnet short-cut path sheet is remained on magnet holder by intercalation space, therefore, can not cause dislocation because of vibration, and because can not apply the pressure that is used for fixing permanent magnet, change so can prevent magnetic characteristic.And, can be used for keeping the movable end of the support chip of permanent magnet, magnet short-cut path sheet from the operation of the anterior locations of electromagnet apparatus by forming, thereby can be easy to install from the outside changes permanent magnet and the magnet short-cut path sheet is adjusted magnetic attraction.And, permanent magnet and magnet short-cut path sheet towards magnet holder install, when removing, owing to can not be subjected to power outside the attraction of permanent magnet, so easy operating.
Description of reference numerals
1 movable axis
2 stators
3 moving elements
4 blocking springs
5 coil formers
6 magnet exciting coils
7 frameworks
8 end plates
9 frameworks (framework panel)
10 magnet holder
11 frames
12 fixed arms
14 support chips
26 permanent magnets
27 magnet short-cut path sheets
Claims (2)
1. electromagnet apparatus, described electromagnet apparatus is accommodated in the electromagnet that has magnet exciting coil, stator and be fixed on the moving element on the movable axis in the framework, permanent magnet is provided in by in the magnetic loop that forms towards the magnet exciting coil energising, it is characterized in that:
The magnet holder that is made of nonmagnetic material is being set about described electromagnet apparatus and between framework and the magnet exciting coil, this magnet holder forms shaped as frame, and thickness and the identical of permanent magnet or thick slightly than permanent magnet, and described magnet holder is provided with fixed arm, support chip and space; Described fixed arm is connected setting along the center line of shaped as frame with a limit of this magnet holder, and has the fixedly hole of usefulness; Described support chip disposes up and down with this fixed arm respectively opposite to each other across hollow bulb, and an end of this support chip is connected setting with a limit of described shaped as frame, the other end is arranged to open state; In described space, any in permanent magnet and the magnet short-cut path sheet by intercalation between each forward surface on the limit of each support chip and described shaped as frame, at the distolateral retainer that is provided with of the opening of described each support chip.
2. electromagnet apparatus as claimed in claim 1 is characterized in that, position on described framework, that face toward from open end outside and described each support chip is provided with the peristome of incision.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008288451A JP5030923B2 (en) | 2008-11-11 | 2008-11-11 | Electromagnet device |
| JP2008-288451 | 2008-11-11 | ||
| PCT/JP2009/069115 WO2010055827A1 (en) | 2008-11-11 | 2009-11-10 | Electromagnetic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102217012A CN102217012A (en) | 2011-10-12 |
| CN102217012B true CN102217012B (en) | 2013-08-21 |
Family
ID=42169962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980144788.0A Expired - Fee Related CN102217012B (en) | 2008-11-11 | 2009-11-10 | Electromagnetic device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5030923B2 (en) |
| CN (1) | CN102217012B (en) |
| WO (1) | WO2010055827A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6198449B2 (en) * | 2013-05-07 | 2017-09-20 | 三菱電機株式会社 | Electromagnet device |
| CN108265417A (en) * | 2018-03-30 | 2018-07-10 | 苏州胜璟电磁科技有限公司 | A kind of use in sewing machine electromagnet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425414Y (en) * | 2000-04-29 | 2001-03-28 | 山东省三环制锁集团公司 | Pulse self-holding electromagnet |
| CN1677803A (en) * | 2004-03-29 | 2005-10-05 | 永大机电工业股份有限公司 | External-rotating permanent magnet motor |
| CN1890862A (en) * | 2003-12-16 | 2007-01-03 | 株式会社安川电机 | Linear motor and attraction-compensating type linear motor |
| CN101106026A (en) * | 2007-08-20 | 2008-01-16 | 北京交通大学 | Monostable self-locking type air gas variable permanent magnet operation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62273704A (en) * | 1986-05-21 | 1987-11-27 | Kamiya Denshi Kogyo Kk | Oscillating rotary actuator with side holder |
| JPH0221606A (en) * | 1988-07-08 | 1990-01-24 | Matsushita Electric Works Ltd | Electromagnet device |
-
2008
- 2008-11-11 JP JP2008288451A patent/JP5030923B2/en active Active
-
2009
- 2009-11-10 CN CN200980144788.0A patent/CN102217012B/en not_active Expired - Fee Related
- 2009-11-10 WO PCT/JP2009/069115 patent/WO2010055827A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425414Y (en) * | 2000-04-29 | 2001-03-28 | 山东省三环制锁集团公司 | Pulse self-holding electromagnet |
| CN1890862A (en) * | 2003-12-16 | 2007-01-03 | 株式会社安川电机 | Linear motor and attraction-compensating type linear motor |
| CN1677803A (en) * | 2004-03-29 | 2005-10-05 | 永大机电工业股份有限公司 | External-rotating permanent magnet motor |
| CN101106026A (en) * | 2007-08-20 | 2008-01-16 | 北京交通大学 | Monostable self-locking type air gas variable permanent magnet operation device |
Non-Patent Citations (1)
| Title |
|---|
| JP昭62-273704A 1987.11.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5030923B2 (en) | 2012-09-19 |
| JP2010118375A (en) | 2010-05-27 |
| WO2010055827A1 (en) | 2010-05-20 |
| CN102217012A (en) | 2011-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 |