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    • 3. 发明授权
    • AXIAL GAP PERMANENT MAGNET MOTOR
    • 轴向间隙永磁电机
    • EP0027799B1
    • 1984-08-08
    • EP80900483.1
    • 1980-02-27
    • NORTHROP CORPORATION
    • GROHE, Lester R.
    • B64C17/06H02K1/22G01C19/06
    • G01C19/08H02K29/12
    • The motor (72) includes a stator affixed to a motor housing (14).The stator has two sets of series connected coils (39a, 39b) (39c, 39d) wound in quadrature. Each set of coils is disposed in an annular configuration about a spin reference axis (Z), with the principal axis of each coil being substantially parallel to the reference axis. The motor further includes a rotor (42, 44) which is adapted for continuous rotation about a spin axis. The rotor includes a set of permanent magnets (46, 48) and a member (42a, 44a) for supporting the magnets in a substantially annular configuration about the spin axis. The magnet moment of each of the magnets is substantially parallel to the spin axis, with the magnetic moment of adjacent magnets being oppositely directed. The rotor is positioned with respect to the stator with the configuration of magnets being adjacent to the configuration of coils so that flux from the magnets is coupled to the coils. The rotor also includes a return ring (50) for establishing a magnetic flux return path for completing a circuitous path for flux passing through the coil. An excitation network (70) for the coils detected back emf in the respective coils, and in response thereto, generates control signals for driving alternating currents in the respective sets of coils. The alternating currents have a 90 relative phase shift and are in phase with the detected back emf for the respective sets of coils.
    • 5. 发明公开
    • INERTIAL SENSING DEVICE
    • 惯性感测装置
    • EP3190384A1
    • 2017-07-12
    • EP15838661.5
    • 2015-01-31
    • Changzhou Spidersens Intelligent Technology Ltd.
    • CAO, Yuan
    • G01C21/16
    • G01C19/5712G01C19/08G01C21/16G01C25/005H02J50/10H05K1/181
    • An inertial sensing device comprising a circuit board provided with an inertial sensor. The inertial sensing device also comprises a base, a rotating plate and a power source assembly. The circuit board is mounted on the rotating plate, the power source assembly is mounted on the base, the rotating plate is drivingly connected to a power output shaft of the power source assembly. The circuit board rotates along with the rotating plate in a reciprocating or a continuous manner at a speed of 1 to 200RPM. The inertial sensing device is combined with a monitored movable target under operating conditions, and transmits a collected signal to a personal navigation system to display an instantaneous geographic position of the target. The inertial sensing device is low in cost, small in size, and is capable of controlling the heading error within 1° /hour to increase the accuracy of indoor navigation systems.
    • 一种惯性感测装置,包括设有惯性传感器的电路板。 惯性感测装置还包括基座,旋转板和电源组件。 电路板安装在旋转板上,电源组件安装在底座上,旋转板驱动连接到电源组件的动力输出轴。 电路板与旋转板一起以1至200RPM的速度往复或连续旋转。 惯性感测装置在操作条件下与被监测的可移动目标相结合,并将收集到的信号传输到个人导航系统以显示目标的瞬时地理位置。 该惯性检测装置成本低,体积小,能够以1°/小时的速度控制航向误差,提高室内导航系统的精度。
    • 10. 发明公开
    • AXIAL GAP PERMANENT MAGNET MOTOR
    • 轴向间隙永磁电机
    • EP0027799A1
    • 1981-05-06
    • EP80900483.0
    • 1980-02-27
    • NORTHROP CORPORATION
    • GROHE, Lester R.
    • G01C19H02K29
    • G01C19/08H02K29/12
    • Le moteur (72) comprend un stator fixe a l'enveloppe d'un moteur (14). Le stator possede deux jeux de bobines connectees en serie (39a, 39b), (39c, 39d) enroulees en quadrature. Chaque jeu de bobines est dispose suivant une configuration annulaire autour d'un axe de rotation de reference (Z), l'axe principal de chaque bobine etant sensiblement parallele a l'axe de reference. Le moteur comprend en outre un rotor (42, 44) qui est concu pour tourner en continu autour d'un axe de rotation, Le rotor comprend un jeu d'aimants permanents (46, 48) et un organe (42a, 44a) pour supporter les aimants suivant une configuration sensiblement annulaire autour de l'axe de rotation. Le moment magnetique de chacun des aimants est sensiblement parallele a l'axe de rotation, le moment magnetique des aimants adjacents ayant des directions opposees. Le rotor est positionne par rapport au stator de maniere a ce que la configuration des aimants soit adjacente a la configuration des bobines de telle sorte que le flux des aimants soit couple aux bobines. Le rotor comprend egalement une bague de retour (50) pour etablir un passage de retour du flux magnetique de maniere a completer un circuit de passage du flux au travers de la bobine. Un reseau d'excitation (70) des bobines detecte les fem de retour dans les bobines respectives, et en reponse a celles-ci, produit des signaux de commande pour entrainer des courants alternatifs dans les jeux respectifs de bobines. Les courants alternatifs ont un dephasage relatif de 90o et sont en phase avec les fem de retour pour les jeux respectifs de bobines.
    • 电动机(72)包括固定在电动机(14)的壳体上的定子。 定子具有两组串联(39a,39b),(39c,39d)正交缠绕的线圈。 每组线圈围绕参考旋转轴线(Z)以环形构造布置,每个线圈的主轴线基本平行于参考轴线。 该电动机还包括一个转子(42,44),该转子被设计成围绕一个旋转轴线连续旋转,该转子包括一组永磁体(46,48)和一个构件(42a,44a),用于 将所述磁体围绕所述旋转轴线支撑成大致环形的构造。 每个磁体的磁矩基本平行于旋转轴线,相邻磁体的磁矩具有相反的方向。 转子相对于定子定位,使得磁体的构造与线圈的构造相邻,使得磁体的通量耦合到线圈。 转子还包括用于建立磁通返回通道的返回环(50),以完成穿过线圈的流动通道回路。 线圈的激励网络(70)检测各个线圈中的返回fem,并且响应于此,产生用于驱动各组线圈中的交流的控制信号。 交流电具有90°的相对相移,并且与各组线圈的返回母线同相。