CN202771887U - Micro bidirectional magnetic latching electromagnet - Google Patents
Micro bidirectional magnetic latching electromagnet Download PDFInfo
- Publication number
- CN202771887U CN202771887U CN201220423358.1U CN201220423358U CN202771887U CN 202771887 U CN202771887 U CN 202771887U CN 201220423358 U CN201220423358 U CN 201220423358U CN 202771887 U CN202771887 U CN 202771887U
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- coil
- bidirectional magnetic
- magnetic holding
- holding electromagnet
- base plate
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Abstract
The utility model relates to a micro bidirectional magnetic latching electromagnet which comprises a yoke framework and a bottom plate arranged at the lower portion of the yoke framework. An insulation tube is arranged in the yoke framework, a coil is wound on the insulation tube, the wound direction of the coil is parallel to the bottom plate, permanent magnets are respectively arranged at two axial ends of the coil, faces of the same electrode of the two permanent magnets are oppositely arranged, a movable iron core is arranged in the insulation tube, the coil is connected with a power supply lead, a magnet guide cover is arranged above the yoke framework, the movable iron core is connected with an action metal rod, the action metal rod is perpendicular to the bottom plate, and one end of the action metal rod extends out form the bottom plate. The micro bidirectional magnetic latching electromagnet uses the coil to substitute two traditional coils so as to enable the size of the micro bidirectional magnetic latching electromagnet to be small, reduce parts and reduce fault rate. The two axial ends of the single coil are provided with permanent magnets to substitute a method arranging a permanent magnet between two coils to have certain function on retention accordance, and simultaneously the bottom plate is of a steel structure so as to greatly reduce effects of environment on the micro bidirectional magnetic latching electromagnet.
Description
Technical field
The utility model relates to a kind of magnetic-holding electric magnet, relates in particular to a kind of miniature Bidirectional magnetic holding electromagnet.
Background technology
89218596.1 of China Patent No. are called direct-push type bidirection magnetic maintainer, and principle is comprised of yoke, permanent magnet, solenoid and iron core, and yoke divides upper, middle and lower three parts, and intermediate distribution has opposite polarity permanent magnet and two coils of two groups of symmetries.02206165.7 of China Patent No. is called Bidirectional magnetic holding electromagnet, principle is that the permanent magnet both sides respectively have independently solenoid, and the magnetic flux that solenoid produces runs through permanent magnet, and the flow direction with permanent magnet is identical all the time, respectively independently solenoid is switched on successively, armature commutation motion.Their main weak points are: used two coils, caused to reach less on the volume, the consistent difficulty of the active force of two-way maintenance increases, the simultaneously increase of parts, and the probability of the fault of generation also can increase.
Present a lot of electronic products on the market are more and more less, and the purposes of Bidirectional magnetic holding electromagnet is very extensive, therefore the volume of Bidirectional magnetic holding electromagnet there has been higher requirement, yet Bidirectional magnetic holding electromagnet, there was the people to declare about the Bidirectional magnetic holding electromagnet patent until now from 1989,20 years still can't keep the volume of electromagnet to make larger improvement to two-way magnetic.
Present magnetic-holding electric magnet can not used in the device at miniature volume on the volume, and the active force of two-way maintenance is also inconsistent, cisco unity malfunction under low temperature and hot environment.
The utility model content
The technical problems to be solved in the utility model is: adopt twin coil to cause the excessive and permanent magnet of volume easily to cause the inconsistent problem of confining force in the middle of being positioned at two coils in order to solve present Bidirectional magnetic holding electromagnet, the utility model provides a kind of miniature Bidirectional magnetic holding electromagnet, adopt a coil to replace two coils, permanent magnet is positioned at the axial two ends of coil and solves the problems referred to above.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of miniature Bidirectional magnetic holding electromagnet, comprise yoke framework and the base plate that is arranged on yoke framework bottom, be provided with an insulated tube in the described yoke framework, be wound with coil on the described insulated tube, the direction of winding of described coil is parallel with base plate, permanent magnet is equipped with respectively at the axial two ends of described coil, the one side of described two permanent magnet homopolarities is oppositely arranged, be provided with moving iron core in the described insulated tube, described coil is connected with power supply lead wire, magnetic conductive cover is equipped with in the top of described yoke framework, be connected with the action Metallic rod on the described moving iron core, described action Metallic rod is perpendicular to base plate, and described action Metallic rod one end stretches out from base plate.
In order to reduce the impact of environment, described base plate is steel plate.
For volume is less, described permanent magnet is thin rounded flakes.
Further, specifically, described miniature Bidirectional magnetic holding electromagnet length is 12.5mm-25mm, and width is 8mm-20mm, highly is 6.4mm-15mm.
Further, as preferably, described miniature Bidirectional magnetic holding electromagnet length is 12.5mm, and width is 8mm, highly is 6.4mm.
As preferably, described action Metallic rod is the copper bar.
The beneficial effects of the utility model are, a kind of miniature Bidirectional magnetic holding electromagnet of the utility model, adopt a coil to replace two traditional coils, so that the volume of Bidirectional magnetic holding electromagnet reduces greatly, the minimizing of part, failure rate also can reduce, monocoil axial two ends arrange permanent magnet and replace in the middle of two traditional coils permanent magnet being set, confining force is unanimously also played a role, the base plate steel design has replaced some traditional plastic constructions simultaneously, so that environment is on its also greatly reduction of impact.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the optimum embodiment of the miniature Bidirectional magnetic holding electromagnet of the utility model.
Among the figure 1, the yoke framework, 2, base plate, 3, coil, 4, permanent magnet, 5, moving iron core, 6, power supply lead wire, 7, magnetic conductive cover, 8, the action Metallic rod.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of miniature Bidirectional magnetic holding electromagnet of the utility model, comprise yoke framework 1 and the base plate 2 that is arranged on yoke framework bottom, be provided with an insulated tube in the yoke framework 1, be wound with coil 3 on the insulated tube, the direction of winding of coil 3 is parallel with base plate 2, and the one side that 4, two permanent magnet 4 homopolarities of permanent magnet are equipped with respectively at the axial two ends of coil 3 is oppositely arranged, be provided with moving iron core 5 in the insulated tube, coil 3 is connected with power supply lead wire 6, and magnetic conductive cover 7 is equipped with in the top of yoke framework 1, is connected with action Metallic rod 8 on the moving iron core 5, action Metallic rod 8 is perpendicular to base plate 2, action Metallic rod 8 one ends stretch out from base plate 2, and base plate 2 is steel plates, and permanent magnet 4 is thin rounded flakes, miniature Bidirectional magnetic holding electromagnet length is 12.5mm-25mm, width is 8mm-20mm, highly is 6.4mm-15mm, and action Metallic rod 8 is copper bars.
In actual use, powered in 0.1 second so that the magnetic fields power that coil 3 produces by immediate current by the transient voltage below the 5V, moving iron core 5 drives the thin rounded flakes that action Metallic rod 8 moves to insulated tube top, so that the closed confining force that produces of the magnetic circuit on top, when giving a reverse impulse voltage of coil, moving iron core 5 is got back to the thin rounded flakes place near base plate 2, so that the closed confining force that produces of magnetic circuit does not herein need long-time power supply.
This miniature Bidirectional magnetic holding electromagnet adopts two pole pieces, the principle of two magnetic circuits has consistent confining force and reverse magnetic force at both direction, reaches balance work, adopted yoke framework 1 and base plate 2 steels, can under the temperature of 40 degrees below zero to 60 degree, work.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (6)
1. miniature Bidirectional magnetic holding electromagnet, it is characterized in that: comprise yoke framework (1) and be arranged on the base plate (2) of yoke framework bottom, be provided with an insulated tube in the described yoke framework (1), be wound with coil (3) on the described insulated tube, the direction of winding of described coil (3) is parallel with base plate (2), permanent magnet (4) is equipped with respectively at the axial two ends of described coil (3), the one side of described two permanent magnets (4) homopolarity is oppositely arranged, be provided with moving iron core (5) in the described insulated tube, described coil (3) is connected with power supply lead wire (6), magnetic conductive cover (7) is equipped with at the top of described yoke framework (1), be connected with action Metallic rod (8) on the described moving iron core (5), described action Metallic rod (8) is perpendicular to base plate (2), and described action Metallic rod (8) one ends stretch out from base plate (2).
2. miniature Bidirectional magnetic holding electromagnet as claimed in claim 1, it is characterized in that: described base plate (2) is steel plate.
3. miniature Bidirectional magnetic holding electromagnet as claimed in claim 1, it is characterized in that: described permanent magnet (4) is thin rounded flakes.
4. miniature Bidirectional magnetic holding electromagnet as claimed in claim 1, it is characterized in that: described miniature Bidirectional magnetic holding electromagnet length is 12.5mm-25mm, and width is 8mm-20mm, highly is 6.4mm-15mm.
5. miniature Bidirectional magnetic holding electromagnet as claimed in claim 4, it is characterized in that: described miniature Bidirectional magnetic holding electromagnet length is 12.5mm, and width is 8mm, highly is 6.4mm.
6. miniature Bidirectional magnetic holding electromagnet as claimed in claim 1, it is characterized in that: described action Metallic rod (8) is the copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220423358.1U CN202771887U (en) | 2012-08-24 | 2012-08-24 | Micro bidirectional magnetic latching electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220423358.1U CN202771887U (en) | 2012-08-24 | 2012-08-24 | Micro bidirectional magnetic latching electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771887U true CN202771887U (en) | 2013-03-06 |
Family
ID=47778440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220423358.1U Expired - Lifetime CN202771887U (en) | 2012-08-24 | 2012-08-24 | Micro bidirectional magnetic latching electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202771887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789873A (en) * | 2012-08-24 | 2012-11-21 | 常州市武进继电器厂 | Miniature two-way magnetic latching electromagnet |
| CN107231591A (en) * | 2017-07-17 | 2017-10-03 | 佛山市川东磁电股份有限公司 | A kind of single action magnet double electromagnetic switch |
-
2012
- 2012-08-24 CN CN201220423358.1U patent/CN202771887U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789873A (en) * | 2012-08-24 | 2012-11-21 | 常州市武进继电器厂 | Miniature two-way magnetic latching electromagnet |
| CN102789873B (en) * | 2012-08-24 | 2015-04-01 | 常州市武进继电器厂 | Miniature two-way magnetic latching electromagnet |
| CN107231591A (en) * | 2017-07-17 | 2017-10-03 | 佛山市川东磁电股份有限公司 | A kind of single action magnet double electromagnetic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |