CN203826235U - Single-coil bistable-state permanent magnetic mechanism - Google Patents
Single-coil bistable-state permanent magnetic mechanism Download PDFInfo
- Publication number
- CN203826235U CN203826235U CN201420194133.2U CN201420194133U CN203826235U CN 203826235 U CN203826235 U CN 203826235U CN 201420194133 U CN201420194133 U CN 201420194133U CN 203826235 U CN203826235 U CN 203826235U
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- China
- Prior art keywords
- iron core
- moving iron
- permanent magnet
- lower cover
- coil
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000005284 excitation Effects 0.000 abstract description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 230000008520 organization Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001061264 Astragalus Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Electromagnets (AREA)
Abstract
A single-coil bistable-state permanent magnetic mechanism comprises a hollow mechanism cylinder, magnet yokes, a moving iron core, a closing spring, a permanent magnet and an excitation coil; and two sides of the mechanism cylinder are respectively provided with an upper cover and a lower cover, the moving iron core is located in the mechanism cylinder, two ends of the moving iron core are respectively provided with extension parts extending out of the upper cover and the lower cover, the extension parts are cylindrical and penetrate a through hole at the center of the upper cover and a through hole at the center of the lower cover, the closing spring is disposed between the moving iron core and the lower cover, the permanent magnet and the excitation coil are located between the moving iron core and the mechanism cylinder, the excitation coil is located on the lower side, the permanent magnet is located on the upper side, and at least one magnet yoke is disposed between the permanent magnet and the moving iron core. Therefore, the single-coil bistable-state permanent magnetic mechanism is simple in structure; and, through the permanent magnetic mechanism, the closing spring and other structures, closing power assistance is realized, unnecessary springback of the moving iron core is prevented, a bounce phenomenon is solved, and the speed is improved.
Description
Technical field
The utility model relates to the permanent-magnet structure technical field for high-speed vacuum contactor, relates in particular to a kind of simple in structure, single-coil bi-stable permanent magnet that practicality is good.
Background technology
In high-speed vacuum contactor, the contact that high speed is stable need to be provided, conventionally adopt permanent magnet mechanism to realize the motion that its high speed is stable.
In the permanent magnet mechanism of prior art, a kind of is Twin coil bistable permanent magnet organization, as shown in Figure 1, it comprises cylinder 11, upper cover 12 and lower cover 13, in cylinder, be provided with can be up and down two external between mobile iron core 14, iron core 14 both sides are respectively equipped with closing coil 16 and switching winding 17, between closing coil 16 and switching winding 17, be provided with permanent magnet 15, the permanent magnet mechanism of this structure can not be realized high speed on/off switch in low-yield triggering, can not solve mechanism's spring problem, although there are two stable states, the motion that provides high speed stable be provided.
Another kind is unicoil monostable mechanism, as shown in Figure 2, it comprises cylinder 21, upper cover 22 and lower cover 23, in cylinder, be provided with can be up and down two external between mobile iron core 24, iron core 24 both sides are respectively equipped with permanent magnet 15 and coil 16, although it can solve speed issue, easily generating mechanism bounce, causes normally closing a minute operation.
For this reason, designer of the present utility model is because above-mentioned defect, by concentrating on studies and designing, is comprehensively engaged in for a long time experience and the achievement of related industry for many years, and research and design goes out a kind of single-coil bi-stable permanent magnet, to overcome above-mentioned defect.
Utility model content
Problem to be solved in the utility model be improve permanent magnet mechanism spring in prior art, low-yield triggering, can not high-speed motion etc. problem.
For addressing the above problem, the utility model discloses a kind of single-coil bi-stable permanent magnet, the mechanism's cylinder that comprises hollow, yoke, moving iron core, switching-in spring, permanent magnet and magnet exciting coil, is characterized in that:
The both sides of described mechanism cylinder are respectively equipped with upper cover and lower cover, and described moving iron core is positioned at described mechanism cylinder and two ends are respectively equipped with the extension that stretches out described upper cover and lower cover, and each extension is cylindrical and runs through described upper cover and the through hole at lower cover center,
Between described moving iron core and lower cover, be provided with described switching-in spring,
Described permanent magnet and magnet exciting coil are between described moving iron core and mechanism's cylinder, and described magnet exciting coil is positioned at downside, and described permanent magnet is positioned at upside, and are at least provided with a yoke between described permanent magnet and moving iron core.
Wherein: one end of described switching-in spring is positioned at the hollow concave station of described lower cover, the other end in the medium altitude groove of described moving iron core so that the elastic-restoring force between moving iron core and lower cover to be provided under normality.
Known by said structure, single-coil bi-stable permanent magnet of the present utility model is simple in structure, by structures such as permanent magnet mechanism and switching-in springs, realized combined floodgate power-assisted, the unnecessary resilience of anti-stop iron core, has solved bounce, improve speed, reached the purpose of this utility model.
Detailed content of the present utility model can obtain by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 is Twin coil bistable permanent magnet organization structure chart described in the prior art,
Fig. 2 is unicoil Monostable permanent magnetic mechanism structure chart described in the prior art.
Fig. 3 is single-coil bi-stable permanent magnet structure chart described in the utility model.
Description of reference numerals: 1, mechanism's cylinder; 2, yoke; 3, moving iron core; 4, switching-in spring; 5, permanent magnet; 6, magnet exciting coil; 7, manually close a minute bar; 8, position switch; 9, upper cover; 10, lower cover.
Embodiment
Referring to Fig. 3, shown single-coil bi-stable permanent magnet of the present utility model.
Mechanism's cylinder 1 that described single-coil bi-stable permanent magnet comprises hollow, yoke 2, moving iron core 3, switching-in spring 4, permanent magnet 5 and magnet exciting coil 6.
Wherein, the both sides of described mechanism cylinder 1 are respectively equipped with upper cover 9 and lower cover 10, described moving iron core 3 is positioned at described mechanism cylinder 1 and two ends are respectively equipped with the extension that stretches out described upper cover 9 and lower cover 10, each extension is cylindrical and runs through described upper cover 9 and the through hole at lower cover 10 centers, thus, moving iron core 3 can carry out stable rectilinear motion by the extension at two ends in mechanism's cylinder 1, and the positioning action due to two ends through hole, can make core volume less, be convenient to small-sized and stable modernization requirement.
Between described moving iron core 3 and lower cover 10, be provided with described switching-in spring 4, one end of described switching-in spring 4 is positioned at the hollow concave station of described lower cover 10, the other end in the medium altitude groove of described moving iron core 3 so that the elastic-restoring force between moving iron core 3 and lower cover 10 to be provided under normality, and the setting of this hollow concave station and medium altitude groove, facilitate the installation of spring to fix, also made elastic force more stable and can be eccentric.
Described permanent magnet 5 and magnet exciting coil 6 are between described moving iron core 3 and mechanism's cylinder 1, and wherein, described magnet exciting coil 6 is positioned at downside, and described permanent magnet 5 is positioned at upside, and is at least provided with a yoke 2 between described permanent magnet 5 and moving iron core 3.
Wherein, one end extension that described moving iron core 3 stretches out upper cover 9 is provided with position switch assembly, and described position switch assembly comprises the fixed part that is fixed on this extension and the position switch 8 of controlling fixed part folding.
Wherein, one end extension that described moving iron core 3 stretches out lower cover 10 is provided with and manually closes subassembly, the described subassembly that manually closes comprises and manually closes minute bar 7, described one end of manually closing minute bar 7 is articulated with this extension, other end activity is resisted against the outside of described lower cover 10, can manually move described moving iron core 3, realize manual actuation.
The application can solve high-speed motion (<5ms operate time), and bounce time is 0ms, low energy trigger energy <400 μ F.
The motion principle of permanent magnet mechanism is, by producing the magnetic field contrary with permanent magnets to excitation wire astragal reverse voltage, the magnetic field minimum of cancelling out each other, simultaneously, switching-in spring discharges thrust, drives insulator and vacuum contact to close a floodgate at a high speed, and separating brake adds positive magnetic field, start the energy storage of closing a floodgate, drive insulator vacuum contact separating brake.
The application's single-coil bi-stable permanent magnet, combine Twin coil bistable permanent magnet organization and unicoil Monostable permanent magnetic mechanism, in permanent magnet mechanism body, increase switching-in spring, from realizing low triggering high-speed motion, in splitting or integrating position without spring, also be provided with yoke, improved speed and stable state.
It is evident that above description and to record be only for example rather than in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the optimal mode that the utility model does not limit by accompanying drawing example and the conduct of describing is in an embodiment thought to be at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of the specification that falls into above and appended claim.
Claims (2)
1. a single-coil bi-stable permanent magnet, the mechanism's cylinder that comprises hollow, yoke, moving iron core, switching-in spring, permanent magnet and magnet exciting coil, is characterized in that:
The both sides of described mechanism cylinder are respectively equipped with upper cover and lower cover, and described moving iron core is positioned at described mechanism cylinder and two ends are respectively equipped with the extension that stretches out described upper cover and lower cover, and each extension is cylindrical and runs through described upper cover and the through hole at lower cover center,
Between described moving iron core and lower cover, be provided with described switching-in spring,
Described permanent magnet and magnet exciting coil are between described moving iron core and mechanism's cylinder, and described magnet exciting coil is positioned at downside, and described permanent magnet is positioned at upside, and are at least provided with a yoke between described permanent magnet and moving iron core.
2. single-coil bi-stable permanent magnet as claimed in claim 1, it is characterized in that: one end of described switching-in spring is positioned at the hollow concave station of described lower cover, the other end in the medium altitude groove of described moving iron core so that the elastic-restoring force between moving iron core and lower cover to be provided under normality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194133.2U CN203826235U (en) | 2014-04-21 | 2014-04-21 | Single-coil bistable-state permanent magnetic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194133.2U CN203826235U (en) | 2014-04-21 | 2014-04-21 | Single-coil bistable-state permanent magnetic mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826235U true CN203826235U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194133.2U Expired - Fee Related CN203826235U (en) | 2014-04-21 | 2014-04-21 | Single-coil bistable-state permanent magnetic mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448555A (en) * | 2015-11-25 | 2016-03-30 | 杨斌堂 | Bistable state optical path regulation mechanism and method |
| CN112053919A (en) * | 2020-08-24 | 2020-12-08 | 广东光达电气股份有限公司 | Bistable magnetic magnetism keeping structure |
-
2014
- 2014-04-21 CN CN201420194133.2U patent/CN203826235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448555A (en) * | 2015-11-25 | 2016-03-30 | 杨斌堂 | Bistable state optical path regulation mechanism and method |
| CN112053919A (en) * | 2020-08-24 | 2020-12-08 | 广东光达电气股份有限公司 | Bistable magnetic magnetism keeping structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140910 Termination date: 20180421 |