Modular Halbach type electromagnetic actuator

文档序号:1758252 发布日期:2019-11-29 浏览:27次 中文

阅读说明:本技术 模块化的海尔贝克型电磁作动器 (Modular Halbach type electromagnetic actuator ) 是由 张跃 符栋梁 李国平 胡航 马振来 周璞 于 2019-10-14 设计创作,主要内容包括:本发明涉及一种模块化的海尔贝克型电磁作动器,外壳由顶板侧板和底板通过紧固件连接而成;外壳内设有导柱,导柱的上、下端分别与顶板和底板固定连接,且导柱的上、下部分别通过直线轴承连接顶部压板和底部压板;顶部压板与底部压板之间连接粘接在永磁体基板上的海尔贝克永磁阵列,海尔贝克永磁阵列只可沿垂直方向自由运动;底部压板通过隔振器固定在底板上,为海尔贝克永磁阵列提供支撑刚度;顶板与底板之间固定连接绕组支撑架,绕组支撑架的槽楔中嵌入绕组线圈,底板两侧分别设有绕组线圈的出线端子。本发明作为执行元件,可以广泛应用于振动主动控制系统中,轻量化、模块化的设计可以允许使用者采用不同的组合配比满足不同量级激励力的输出需求。(The present invention relates to a kind of modular Halbach type electromagnetic actuator, shell is formed by connecting by top plate side plate and bottom plate by fastener;Guide post is equipped in shell, the upper and lower end of guide post is fixedly connected with top plate and bottom plate respectively, and the upper and lower part of guide post connects top platen and bottom platen by linear bearing respectively;The Halbach permanent magnet array being bonded on permanent magnetism structure base board, the only vertically free movement of Halbach permanent magnet array are connected between top platen and bottom platen;Bottom platen is fixed on bottom plate by vibration isolator, provides support stiffness for Halbach permanent magnet array;It is fixedly connected with winding support frame between top plate and bottom plate, winding coil is embedded in the slot wedge of winding support frame, bottom plate two sides are respectively equipped with the outlet terminal of winding coil.The present invention can be widely applied in vibration active control system as executive component, and lightweight, modular design can permit the output demand that user meets different magnitude exciting forces using different combination matchings.)

1. a kind of modular Halbach type electromagnetic actuator has a shell, the shell is by top plate side plate and bottom plate Be formed by connecting by fastener, it is characterised in that: be equipped with guide post in the shell, the upper and lower end of guide post respectively with top plate and bottom Plate is fixedly connected, and the upper and lower part of guide post connects top platen and bottom platen by linear bearing respectively;The top platen The Halbach permanent magnet array being bonded on permanent magnetism structure base board, Halbach permanent magnet array only edge are connected between bottom platen Vertical direction free movement;The bottom platen is fixed on bottom plate by vibration isolator, provides branch for Halbach permanent magnet array Support rigidity;It is fixedly connected with winding support frame between the top plate and bottom plate, is embedded in winding wire in the slot wedge of the winding support frame Circle, the bottom plate two sides are respectively equipped with the outlet terminal of winding coil.

2. modular Halbach type electromagnetic actuator according to claim 1, it is characterised in that: the bottom platen Centre is equipped with boss and counterbore, and the boss face and bottom vibration isolator of the boss connect, and the connection by penetrating counterbore Fixing piece is fixedly connected,

3. modular Halbach type electromagnetic actuator according to claim 1, it is characterised in that: the winding support The form that frame is positioned using key pin and bolt is fixed is connect with bottom plate, it can be ensured that winding support frame level side when actuator works To not sliding.

4. modular Halbach type electromagnetic actuator according to claim 1, it is characterised in that: the top pressure Plate, bottom platen are made of the aluminum alloy materials of high-strength low-density.

5. modular Halbach type electromagnetic actuator according to claim 1, it is characterised in that: the winding support Frame uses silicon steel sheet stack laminated structure, can effectively reduce the eddy-current loss in the actuator course of work.

6. -5 any modular Halbach type electromagnetic actuator according to claim 1, it is characterised in that: work as actuation When device individually works, the outlet terminal of the bottom plate side is connected with endcapped interface, and power input interface is installed in the other side, Realize the connection with power device.

7. -5 any modular Halbach type electromagnetic actuator according to claim 1, it is characterised in that: when two Or when more actuator tandem workings, the outlet terminal of the bottom plate side is connected with endcapped interface, other side installation electricity Source input interface, using bridging interface connection between actuator.

Technical field

The present invention relates to a kind of actuator of Noise and Vibration Control, especially a kind of modular electromagnetic actuator.

Background technique

Active control technology is widely studied in recent years as inhibiting low frequency spectrum lines to vibrate one of most effective measure.Make Dynamic device is the executive component of entire active control system, is one of most important component in system.Pass through pertinent literature and patent Inquiry, currently used actuator form have pneumatic type, fluid pressure type, electromagnetic type and magnetostriction type etc..Electromagnetic actuator by In structure relative compact, be quick on the draw, applicable band is wide, power output the linearity it is preferable, used by more and more people.

However, traditional electromagnetic actuator is as shown in CN206416898U, due to using electromagnet form, by power output It is required that and core dimensions limit value, the size of actuator it is often larger, it is difficult to the need of competent high power density and the big power output of small size It asks.The patents such as CN102873017A, CN204933923U, CN205371441U, as excitation module, pass through conjunction using permanent magnet Reason building magnetic conductive loop and reduction void dimension realize the reduction of device volume and the raising of power output.But exactly due to air gap Size is smaller, and the stator coil and coil rack of this few type actuator need to bear biggish local stress during operation of the device, It is easy to cause partial duty to fail, and provides cross-brace power due to being completely dependent on reed or elastic element when mover work, it is dynamic It is easy to happen eccentric friction between sub- stator, has seriously affected the reliability of active control device.

On the other hand, existing actuator generallys use circular housing design, past when actually required control force is excessive Toward needing to redesign or individually increase an actuator and all the way power output channel, modification is got up time-consuming and laborious and is occupied Space.

Summary of the invention

The present invention is to provide for a kind of modular Halbach type electromagnetic actuator, it is intended to solve existing electromagnetic actuator The following point being exposed:

1. specific power volume is larger;

2. work, stator coil and coil rack local stress are larger;

3. work, eccentric friction is easy to happen between mover stator;

4. actuator is difficult to meet the output demand of different magnitude exciting forces.

To achieve the goals above, the technical scheme is that a kind of modularization Halbach type electromagnetic actuator, tool There is a shell, the shell is formed by connecting by top plate side plate and bottom plate by fastener;Guide post, guide post are equipped in the shell Upper and lower end be fixedly connected respectively with top plate and bottom plate, and the upper and lower part of guide post passes through linear bearing respectively and connects top platen And bottom platen;The Halbach permanent magnetism battle array being bonded on permanent magnetism structure base board is connected between the top platen and bottom platen Column, the only vertically free movement of Halbach permanent magnet array;The bottom platen is fixed on bottom plate by vibration isolator, Support stiffness is provided for Halbach permanent magnet array;Winding support frame, the winding are fixedly connected between the top plate and bottom plate Winding coil is embedded in the slot wedge of support frame, the bottom plate two sides are respectively equipped with the outlet terminal of winding coil.

Further, it is equipped with boss and counterbore among the bottom platen, boss face and the bottom vibration isolator of the boss connect Touching connection, and the connection fixture by penetrating counterbore is fixedly connected,

Further, the form that the winding support frame is positioned using key pin and bolt is fixed is connect with bottom plate, it is ensured that is made Winding support frame horizontal direction does not slide when dynamic device work.

Further, the top platen, bottom platen are made of the aluminum alloy materials of high-strength low-density.

Further, the winding support frame uses silicon steel sheet stack laminated structure, can effectively reduce in the actuator course of work Eddy-current loss.

Further, when actuator individually works, the outlet terminal of the bottom plate side is connected with endcapped interface, separately Power input interface is installed in side, realizes the connection with power device.

Further, as two or more actuator tandem workings, the outlet terminal endcapped of the bottom plate side Interface connection, the other side are installed power input interface, are connected between actuator using bridging interface.

The beneficial effects of the present invention are:

Mover in modular Halbach type electromagnetic actuator of the invention is designed using Halbach permanent magnet array, The magnetic field strength for greatly enhancing stator side is substantially reduced actuator specific power volume;The components such as mover support frame are closed using aluminium Golden material, winding support frame are laminated using silicon steel punching, effectively reduce the eddy-current loss in the actuator course of work;By propping up The freedom degree of linear bearing limitation mover is arranged in support two sides, it is ensured that mover is reliable and stable to be run, is not eccentric, and can adapt to not Same installation condition;Coil is reliably fixed fixed using the embedding wound structure of traditional induction machine by slot wedge by stator coil On son;Actuator is combined with each other to meet different magnitudes by square shell design and the design of quick-change type connector The output demand of exciting force.

The present invention brings the advantage that Halbach permanent magnet array is arranged as excitation module, so that fixed in stator two sides Magnetic field at son is sufficiently enhanced, and in the presence of no back iron, which can also generate sufficiently large in stator side (i.e. strong side) Magnetic field, so the aluminum alloy materials of high-strength low-density can be used in mover matrix, this just makes executive device have light weight, magnetic resistance The advantages that power is small is more advantageous to the small modular design of executive device.The present invention can be widely applied to as executive component In vibration active control system, lightweight, modular design can permit user and met not using different combination matchings With the output demand of magnitude exciting force.

Detailed description of the invention

Fig. 1 is modular Halbach type electromagnetic actuator structural schematic diagram of the invention;

Fig. 2 is the A-A cross-sectional view of Fig. 1;

Fig. 3 is the B-B cross-sectional view of Fig. 1;

Fig. 4 is the schematic diagram when present invention is used in series;

In figure: 1, top plate;2, top platen;3, linear bearing;4, guide post;5, Halbach permanent magnet array;6, permanent magnet Substrate;7, side plate;8, winding coil;9, winding support frame;10, bottom platen;11, vibration isolator;12, power input interface;13, Bottom plate;14, connection fixture;15, endcapped interface;16, interface is bridged.

Specific embodiment

Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.

As shown in Figures 1 to 4, the modular Halbach type electromagnetic actuator of the present embodiment, part 1~15 are common group At component, part 16 is the component used when concatenating.Wherein, top plate 1, side plate 7 and bottom plate 13 are bolted and constitute actuation The shell of device;Halbach permanent magnet array 5 is bonded on permanent magnetism structure base board 6, and 2 He of top platen by being arranged in upper and lower ends Bottom platen 10 is reliably fixed;Top platen 2, bottom platen 10 both ends respectively have a through-hole be used to linear bearing 3 is installed, directly Spool holds 3 and penetrates guide post 4, and 4 upper end of guide post and top plate 1 are fixed, lower end and bottom plate 13 are fixed, limits Halbach permanent magnet array 5 Freedom of motion in addition to vertical direction;There are boss and counterbore design, boss face and bottom vibration isolator 11 among bottom platen 10 Contact, the connection fixture 14 by penetrating counterbore are reliably connected;Vibration isolator 11 is fixed on base 13, is Halbach permanent magnetism Array 5 provides support stiffness;Winding coil 8 is embedded in winding support frame 9, is fixed by slot wedge, 9 upper and lower ends of winding support frame The form fixed using key pin positioning and bolt with top plate 1, bottom plate 13 respectively, it is ensured that winding support frame 9 when actuator works Horizontal direction does not slide;13 two sides of bottom plate have separately designed the outlet terminal of winding coil 8, when actuator individually works, One side outlet terminal is connected with endcapped interface 15, and power input interface 12 is installed in another side, realizes the company with power device It connects;Two or when more actuator tandem workings, one end outlet terminal is connected with endcapped interface 15, and the other end installs power supply Input interface 12 is connected using bridging interface 16 between actuator.

The present invention uses linear motor working principle.As shown in Figure 2 and Figure 3, permanent magnet is set using Halbach permanent magnet array Meter, and has arrangement in winding two sides, in the presence of no back iron, the Halbach permanent magnet array 5 also can winding coil 8 (i.e. Strong side) sufficiently large magnetic field is generated, so high-strength low-density can be used in the movers matrix such as top platen 2, bottom platen 10 Aluminum alloy materials, this just makes actuator have many advantages, such as that light weight, reluctance force are small, and the small modular for being more advantageous to actuator is set Meter;Winding support frame effectively reduces the eddy-current loss in the actuator course of work by the way of silicon steel plate stacking.

Winding coil 8 generates the electromagnetic force on vertical direction to Halbach permanent magnet array 5 after being powered, due to winding It is elastic constraint, top platen 2, linear bearing 3, Halbach permanent magnet array 5, bottom plate pressing plate 10 for fixing piece, permanent magnet The movement on vertical direction will occur for equal components, to generate the active force of certain frequency to bottom plate 13, subtract to low-frequency vibration Vibration significant effect.

As shown in Figure 2, Figure 4 shows, the present invention uses square shell and modularized design, and 13 two sides of bottom plate of single actuator are equal There are the outlet terminals of winding coil 8, by reasonably installing power input interface 12, endcapped interface 15, bridging interface 16 may be implemented actuator separate unit/more operations;In the resistant to flow enough situations of power and conducting wire, do not need additionally to be routed Or increase channel and effectively increasing for actuator power output can be realized, wiring and power device the space occupied is greatly saved.

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