CN102005890B - Resonance type electromagnetic actuator - Google Patents

Resonance type electromagnetic actuator Download PDF

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CN102005890B
CN102005890B CN 201010510209 CN201010510209A CN102005890B CN 102005890 B CN102005890 B CN 102005890B CN 201010510209 CN201010510209 CN 201010510209 CN 201010510209 A CN201010510209 A CN 201010510209A CN 102005890 B CN102005890 B CN 102005890B
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mass
electromagnetic actuator
actuator
permanent magnet
fixedly connected
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CN 201010510209
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CN102005890A (en )
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洪亮
游小亮
陆洋
顾仲权
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南京航空航天大学
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Abstract

The invention provides a resonance type electromagnetic actuator, belonging to the technical field of electromagnetic actuator. The actuator comprises a metallic outer shell (4), an oscillator body (6), a guide pillar (2) and a motion mass block (9), wherein the oscillator body (6) is fixedly connected with a magnetic conduct column (5), and is also fixedly connected with an annular permanent magnet (11) which is sleeved on the periphery of the magnetic conduct column (5); frequency modulation mass blocks (3) are distributed on the motion mass block (9); the guide pillar (2), the oscillator body (6) and the motion mass block (9) are fixedly connected together, are supported by a spring group (8) and are mounted through a linear bearing (1), and radial displacement is restricted by the linear bearing (1); a cylindrical sleeve (12) wound by an enameled coil (7) is fixedly connected on the upper end of the metallic outer shell (4); the cylindrical sleeve (12) is downward sleeved in the middle of the annular permanent magnet (11) and the magnetic conduct column (5); and sound absorbing sheet is adhered to the inner wall of the metallic outer shell (4). The resonance type electromagnetic actuator can generate large loading control under the driving of smaller power supply.

Description

共振型电磁式作动器 Resonance type electromagnetic actuator

所属技术领域 Those of skill

[0001] 本发明属于电磁作动器技术领域,本发明可作为作动器应用于直升机、飞机、航天器、船舶等的振动王动控制系统中。 [0001] The present invention belongs to the technical field of electromagnetic actuators for the present invention is applicable to the vibration control system actuator King helicopter, aircraft, spacecraft, ships and the like as an actuator.

技术背景 technical background

[0002] 作为振动控制领域的重要分支之一,振动主动控制发展迅速,应用于精密仪器、航空航天、交通运输及机械等许多场合且效果突出。 [0002] As an important branch of vibration control, active vibration control rapidly, used in precision instruments, aerospace, transportation and machinery and so on many occasions and the results are outstanding. 作动器则是振动主动控制系统中关键的一部分,其主要作用是按照确定的控制律对控制对象施加控制力,以按所需方式改变系统的响应。 The actuator is a key part of the active vibration control system, whose primary role is to control force applied to the control object according to the determined control law, in order to change the response of the system in a desired manner. [0003] 用于振动主动控制的作动器按结构形式主要可以分为液压式作动器、电磁式作动器和智能材料作动器。 [0003] for active vibration control actuator structure can be divided by a hydraulic actuator, an electromagnetic actuator and the smart material actuator. 其中电磁式作动器的主要优点是:作用频带宽、反应灵敏、结构重量适中、作动器布置方便等,但是其也存在一些缺点,如:存在潜在的电磁场干扰问题以及长时间使用后磁性损耗问题。 Wherein the main advantages of an electromagnetic actuator are: the role of bandwidth, responsive, moderate weight structure, the actuator arrangement and convenient, but it also has some shortcomings, such as: potential electromagnetic interference issues, and after prolonged use of the magnetic loss problem.

[0004] 现有电磁式作动器多数采用电磁力直接驱动运动转子产生控制力,在专利“申请专利号:3220055. 2,公开日:2004. 04. 21,公开号:CN2613092”中提出一种串接式高能电磁作动器,它的振子由两块或两块以上的高强磁铁和两块外侧导磁板及一块或一块以上的中间导磁板按“外侧导磁板一高强磁铁一中间导磁板一高强磁铁一高强磁铁一外侧导磁板”的顺序串联而成,布置在振子中间的导磁板的厚度比振子最外端导磁板的厚度大,任意两块相邻的磁铁同极相对地夹住其间的中间导磁板。 Most [0004] The conventional electromagnetic actuator using an electromagnetic force generated by the rotor directly drives the motion control, the patent "Patent Application No.: CN2613092. 3220055 2, Publication Date:.: 04.21 2004, Publication No." proposed in a species tandem high energy electromagnetic actuator, which is by more than two transducers or two high-strength magnet and two outer flux plate and one or more intermediate magnetic plates of a "a high-strength magnet outside a magnetically conductive plate a sequence of the intermediate magnetic plate of high strength magnet outside a high-strength magnet a magnetic board "in series, the thickness of the magnetic plate is disposed in the middle of the transducer is greater than the thickness of the outermost end of the transducer magnetic plate, any two adjacent magnet sandwiched therebetween with opposite poles of the intermediate magnetic plate. 线圈保持架、电磁线圈和导磁外筒粘固成一体,穿心螺栓和片状弹簧从两端连接振子和导磁外筒。 Coil holder, an outer cylindrical electromagnetic coil and the magnetic anchor integral through-bolts and connecting the leaf spring and the magnetic transducers from both ends of the outer cylinder. 由于磁路缩短、磁阻降低、导磁板数量增多,可布置的电磁线圈有效匝数大大增加,使作动器的控制力大幅度增加,磁铁用量、驱动电流强度、材料成本和体积减少。 Since shortening the magnetic circuit, magnetic reluctance is reduced, increasing the number of magnetic plates, the electromagnetic coil may be disposed significantly increasing effective number of turns, so that the actuator control a significant increase, the amount of the magnet, the drive current intensity, reduce the material cost and size.

[0005]在专利“申请专利号:200310107922. 4,公开日:2004. 09. 15,公开号:CN1529407” [0005] In the patent, "patent number: 2003101079224 Publication Date: 2004 09.15, Publication Number: CN1529407"

中提出一种双永磁体并联型非接触式电磁作动器,它主要由上部的电磁铁组件、下部永磁体组件及导磁构基础构件组成,其特点是,电磁铁组件的铁芯上置有控制绕组和泊位绕组;永磁体组件是主要由两块永磁体并联组成;由铁芯、电磁铁组件和永磁体组件的作用面之间形成的工作气隙、永磁体和导磁构基础构件构成一闭合磁路。 Proposes a double permanent magnet parallel non-contact electromagnetic actuator, which is mainly composed of an upper portion of the electromagnet assembly, the permanent magnet assembly and a lower base member composed of magnetically permeable structure, characterized in that the electromagnet core assembly set on a control winding and winding berth; permanent magnet assembly is composed mainly of two parallel permanent magnets; the working air gap is formed between the active surface of a core, an electromagnet assembly and the permanent magnet assembly, the permanent magnet and the magnetic configuration of the base member constituting a closed magnetic circuit. 由于米用了双永磁体并联结构,磁路为闭合磁路,漏磁通小,使其具有较好的力一电转换效率及电磁兼容性。 Since the meter with double parallel arrangement of permanent magnets, the magnetic circuit of a closed magnetic circuit, the magnetic flux leakage small, it has a good power conversion efficiency and electromagnetic compatibility.

[0006] 在专利“申请专利号:200810236270,公开日:2009. 04. 22,公开号:10141202”中提出一种复合式宽频带作动器,它的主要特点是:在电磁作动器的输出轴上还复合有压电作动器,它将两者复合,配以相应分频及驱动电路,充分利用两种作动器的优点,扩展其工作频带。 [0006] In the patent "Patent Application No: 10141202 200 810 236 270, Publication Date:.: 04.22 2009, Publication No." proposes a composite wideband actuator in its main features are: the electromagnetic actuator there is also an output shaft of a composite piezoelectric actuator, it will be a composite of both, together with the advantages of the respective frequency divider and a driver circuit, a full use of the actuator, to extend its operating band.

[0007] 上述专利中,由于该类电磁式作动器的工作原理均是采用电磁力直接驱动运动转子产生控制力,因此为获得更大的控制力均需更强的电功率。 [0007] In the above patent, since the working principle of such an electromagnetic actuator using the electromagnetic force are direct drive rotor motion control force, and therefore more power required to obtain greater control.

发明内容[0008] 针对现有电磁式作动器产生大载荷控制力需要大功率电源、体积重量较大、存在电磁干扰等缺点,本发明提供了一种在较小功率电源驱动下就能产生大载荷控制力,结构紧凑,抗干扰性好的共振型电磁式作动器。 [0008] Load control requires a large power supply, a larger volume and weight, the presence of electromagnetic interference and other shortcomings of the existing electromagnetic actuator, the present invention provides a smaller power can be generated in the power driver large load control, compact, good resonance interference electromagnetic actuator.

[0009] 一种共振型电磁式作动器,其特征在于:包括金属外罩,还包括激振器主体、导柱、运动质量块;激振器主体上固连有导磁柱,还固连有套于导磁柱外围的高磁能密度环形稀土永磁体;运动质量块上布有调频质量块;上述导柱、激振器主体和运动质量块固连在一起,通过弹簧组支撑于金属外罩内;并通过固定在金属外罩内直线轴承安装,由直线轴承限制导柱径向位移;上述金属外罩上端还固连有缠绕漆包线圈的柱形套筒,柱形套筒向下套于高磁能密度环形稀土永磁体与导磁柱中间。 [0009] A resonance type electromagnetic actuator, characterized by: a metal housing, further comprising a main exciter, guide post, the movable mass; the exciter has a magnetic body secured column, further fixedly connected jacketed column at the periphery of the magnetic annular high energy density rare earth permanent magnet; FM cloth on the mass of the movable mass; and the guide post, the exciter and the movable mass body is fixedly connected together, supported by the metal housing by a spring group inside; by fixed linear bearings mounted within a metal housing, limit the radial displacement of the linear bearing guide post; upper end of the metal housing has a cylindrical sleeve is also secured to turns of enameled wire wound, cylindrical sleeve downwardly to cover high energy intermediate density rare earth permanent magnet and the annular magnetic column.

[0010] 当漆包线圈通有交变电流时,根据洛伦兹定律,漆包线圈会对运动质量块产生一垂直方向的作用力(驱动力),从而使其上下振动,该力与弹簧力一起构成对减振结构作 [0010] When the ring magnet wire through an alternating current, according to the Lorentz law enameled ring movable mass will produce a force (driving force) in a vertical direction, so that it vibrates up and down, together with the force of the spring force constitute a structure for damping

用的“控制力(输出作动力)”。 "Control (output for power)" used. 根据质量弹簧系统固有频率计算公式:W =指'其中W =%+ «2,通过调整匹配电磁式作动器的弹簧弹性系数I和运动质量块质量%以及调频 The natural frequency of the mass-spring system of formula: W = refers to 'where W =% + «2, the elastic coefficient of the spring and the moving mass the mass of I matching by adjusting an electromagnetic actuator and the% FM

质量块质量使其固有频率与所需减振频率相同,这时电磁式作动器工作在共振状态, Mass damping mass so that the natural frequency of the same frequency as desired, when the electromagnetic actuator working in resonance,

由此可以在产生相同载荷控制力的情况下,最大限度地减小所需功率消耗。 It can be produced in a case where the same control of the load, thus minimizing required power consumption.

[0011] 在金属外罩内壁贴上消音棉,可以有效地降低作动器工作时的噪音水平。 [0011] The noise level at the inner wall of the metal housings affixed silencer cotton, can effectively reduce the operating actuator. 作动器中永磁体采用高磁能密度稀土永磁体可以减小作动器工作过程中永磁体的磁能损失。 Actuator using permanent magnets in high energy density rare earth permanent magnet actuator can be reduced magnetic losses Cheng Zhongyong worked magnets.

[0012] 共振型电磁式作动器,其特征在于: [0012] The resonance type electromagnetic actuator, comprising:

[0013] (I)通过调整匹配电磁式作动器弹簧和质量参数,使其固有频率与所需减振频率相同,这时电磁式作动器工作在共振状态,由此可以在产生相同载荷控制力时,最大限度地减小所需功率消耗。 [0013] (I) the matching by adjusting an electromagnetic actuator spring and quality parameters, so that the desired natural frequency of vibration of the same frequency, when the electromagnetic actuator working in resonance, thereby generating the same load when the control force, required to minimize power consumption.

[0014] (2)通过改变环布在运动质量块四周的小调频质量块的数量或质量,可以对共振状态对应的频率进行调整。 [0014] (2), corresponding to a resonant condition can be adjusted by changing the frequency of the ring in the cloth around the movable mass or mass number smaller FM mass.

[0015] (3)通过金属外罩封装电磁式作动器,可以产生较好电磁屏蔽的效果,同时作动器在封闭的环境下工作,可以有效地防尘。 [0015] (3) encapsulating the metal housing by an electromagnetic actuator, may produce better electromagnetic shielding, while the actuator working in a closed environment, the dust can be efficiently.

[0016] (4)作动器内部的永磁体采用高磁能密度环形稀土永磁体,这样减小在使用过程中永磁体的磁能损失。 [0016] The inside (4) of the actuator permanent magnets with high magnetic energy density rare earth permanent magnet ring, this reduces the loss of magnetic energy in the used Cheng Zhongyong magnet.

[0017] (5)通过在金属外罩内壁贴有消音棉,可以有效地降低电磁式作动器工作时产生的噪音。 [0017] The noise generated when (5) via a silencer attached to the inner wall of the metal housings cotton, can effectively reduce the electromagnetic actuator work.

[0018] (6)本发明结构相对简单,便于集成化、标准化设计制造。 [0018] (6) The present invention is a relatively simple structure, ease of integration, standardization of design and manufacture.

[0019] (7)本发明结构相对紧凑,有利于减小安装空间。 [0019] (7) The structure of the present invention is relatively compact, is advantageous to reduce the installation space.

[0020] (8)本发明可以作为作动器应用于直升机、飞机、航天器、船舶等的振动主动控制系统中。 [0020] (8) of the present invention may be active vibration control system as applied to the actuator helicopters, aircraft, spacecraft, ships and the like.

附图说明 BRIEF DESCRIPTION

[0021] 图I.共振型电磁式作动器结构图。 [0021] FIG. I. resonant electromagnetic actuator structure of FIG.

[0022] 图中标号名称:I直线轴承,2导柱,3调频质量块,4金属外罩,5导磁柱,6激振器主体,7漆包线圈,8弹簧组,9运动质量块,10消音棉,11永磁体,12柱形套筒。 [0022] FIG numeral Title: I linear bearings, guide post 2, FM 3 mass, the metal housing 4, magnetic column 5, the main exciter 6, 7 enameled wire coil, spring group 8, 9 movable mass, 10 silencer cotton, permanent magnets 11, 12 cylindrical sleeve.

[0023] 图2.共振型电磁式作动器原理图。 [0023] FIG 2. resonance type electromagnetic actuator schematic.

具体实施方式 detailed description

[0024] 本发明基于电磁感应原理设计,主要由激振器主体6和运动质量块9构成。 [0024] The present invention is based on the design principle of electromagnetic induction, the main body 6 composed of the exciter and the movable mass 9. 具体作动器的结构如图I所示:它包括金属外罩4,其起着固定安装、电磁屏蔽、密封防尘等效果;还包括激振器主体6、导柱2、运动质量9 ;激振器主体6上固连有导磁柱5,还固连有套于导磁柱5外围的高磁能密度环形稀土永磁体11 ;运动质量块9上环布着调频质量块3 ;上述导柱2、激振器主体6和运动质量块9固连在一起,通过直线轴承I安装,由直线轴承I限制导柱2径向位移;并通过弹簧组8支撑于金属外罩4内;上述金属外罩4上端还固连有缠绕漆包线圈7的柱形套筒12,柱形套筒12向下套于高磁能密度环形永磁体11与导磁柱5中间。 Specific structure of the actuator shown in FIG. I: which comprises a metal housing 4, which plays a fixed installation, electromagnetic shielding, the sealing effect of dust and the like; exciter further comprises a main body 6, the guide post 2, the moving mass 9; stimulated vibration body 6 is secured with a magnetic pillar 5, is also fixedly connected to the magnetic sleeve 5 has a peripheral annular column of high energy density rare earth permanent magnet 11; 9 movable mass distribution ring 3 with the FM mass; the guide column 2, the exciter and the main body 6 movable mass 9 secured together by linear bearings I mounted, limiting the radial displacement guide post 2 from the linear bearings I; and supported within the metal housing 4 by a spring 8 groups; and the metal housing 4 is also fixedly connected to the upper end 12, a cylindrical sleeve 12 downwardly in the sleeve 11 and the high energy density magnetic column 5 the annular permanent magnet turns of enameled wire wound around the intermediate cylindrical sleeve 7.

[0025] 当漆包线圈7通有交变电流时,漆包线圈7产生电磁力,会对运动质量块9产生一垂直方向的作用力(驱动力),从而使其上下振动,该力与弹簧力一起构成对减振结构 [0025] When enameled ring 7 through an alternating current, wire coil 7 generates an electromagnetic force, the movable mass 9 will produce a vertical force (driving force), so that it vibrates up and down, the force of the spring force together they form a vibration damping structure

作用的“控制力(输出作动力)”。 "Control (output powered)" function. 根据质量弹簧系统固有频率计算公式: The natural frequency of the mass-spring system of formula:

Figure CN102005890BD00051

.,其中 .,among them

W =% + «2 ,通过调整匹配电磁式作动器的弹簧弹性系数A和运动质量块I质量W1以及调 W =% + «2, matching by adjusting an electromagnetic actuator A and the spring constant of the spring movable mass W1 and I mass transfer

频质量块3质量M2,使其固有频率与所需减振频率相同,使电磁式作动器工作在共振状态, Frequency mass 3 mass M2, so that the natural frequency of the desired vibration frequency the same as the electromagnetic actuator working in resonance,

由此在产生相同载荷控制力的情况下,可以最大限度地减小作动器所需功率消耗。 Thereby generating the same in the case where the control load, can be minimized power consumption required for the actuator. 通过对小调频质量块3的数量或质量的改变,调整作动器共振状态的频率。 By changing the number or quality of the FM small mass 3, for adjusting the resonance frequency of the actuator.

Claims (3)

  1. 1. 一种共振型电磁式作动器,其特征在于:包括金属外罩(4),还包括激振器主体(6)、导柱(2)、运动质量块(9);激振器主体(6)上固连有导磁柱(5),还固连有套于导磁柱(5)外围的环形永磁体(11);运动质量块(9)上布有调频质量块(3); 上述导柱(2)、激振器主体(6)和运动质量块(9)固连在一起,通过弹簧组(8)支撑于金属外罩⑷内;并通过固定在金属外罩⑷内直线轴承⑴安装,由直线轴承⑴限制导柱(2)径向位移; 上述金属外罩(4)上端还固连有缠绕漆包线圈(7)的柱形套筒(12),柱形套筒(12)向下套于环形永磁体(11)与导磁柱(5)中间; 作动器工作频率即为质量弹簧系统固有频率,其计算公式:w = #,其中=为弹簧弹性系数,Hi1为运动质量块质量,m2为调频质量块质量。 A resonance type electromagnetic actuator, characterized by: a metal housing (4), the body further comprising a vibration exciter (6), guide columns (2), the movable mass (9); exciter body (6) fixedly connected with a magnetic column (5), there is also secured to the magnetic column jacket (5) of the periphery of the annular permanent magnet (11); FM cloth mass (3) on the movable mass (9) ; the guide column (2), the exciter body (6) and the movable mass (9) fixedly connected together, supported within the metal housing by a spring ⑷ group (8); and by fixing the linear bearing within a metal housing ⑷ ⑴ mounting, is limited by the linear bearings ⑴ guide column (2) radial displacement; and the metal housing (4) has an upper end secured further enameled wire wound coil (7) of the cylindrical sleeve (12), cylindrical sleeve (12) sets down on the annular permanent magnet (11) and a magnetic column (5) intermediate; actuator operating frequency is the natural frequency of the mass-spring system, which is calculated as: w = #, where spring = spring constant, Hi1 of motion mass mass, m2 is the mass of mass FM.
  2. 2.根据权利要求I所述的一种共振型电磁式作动器,其特征在于:在金属外罩(4)内壁装有消音棉(10)。 2. According to a resonance type electromagnetic actuator according to claim I, wherein: the metal housing (4) with the inner wall of the silencer cotton (10).
  3. 3.根据权利要求I所述的一种共振型电磁式作动器,其特征在于:作动器中永磁体(11)采用高磁能密度稀土永磁体。 3. According to a resonance type electromagnetic actuator according to claim I, wherein: the permanent magnet actuator (11) uses high energy density rare earth permanent magnet.
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CN1346171A (en) 2000-09-29 2002-04-24 松下电工株式会社 Linear vibrator
CN1516326A (en) 2003-01-07 2004-07-28 总格实业股份有限公司 Electricity-saving type handset vibration device
CN1643253A (en) 2002-03-13 2005-07-20 巴西船用压缩机有限公司 Constructive arrangement for a resonant compressor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6184597B2 (en)
US6184597B1 (en) 1998-04-28 2001-02-06 Matsushita Refrigeration Company Linear motor and linear compressor
CN1346171A (en) 2000-09-29 2002-04-24 松下电工株式会社 Linear vibrator
CN1643253A (en) 2002-03-13 2005-07-20 巴西船用压缩机有限公司 Constructive arrangement for a resonant compressor
CN1516326A (en) 2003-01-07 2004-07-28 总格实业股份有限公司 Electricity-saving type handset vibration device

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