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Motor control system and its switch device

A control system and switching device technology, applied in the field of excitation or armature current control, etc., can solve problems such as difficult to save costs, and achieve the effect of cost savings

Active Publication Date: 2012-01-11
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] If the switch component S is turned on in the off state, it will be due to the filter capacitor C S The surge current that may be generated at the moment of power-on will form the motor 1 and the filter capacitor C S Therefore, it should be avoided; in addition, because the switch component S must withstand a large current, it is difficult to save costs in the selection of specifications, and it is also a significant defect

Method used

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  • Motor control system and its switch device
  • Motor control system and its switch device
  • Motor control system and its switch device

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Embodiment Construction

[0030] refer to figure 2 and image 3 , is a schematic diagram showing the composition of the control system of the motor of the present invention. Wherein, the control system 3 is electrically connected to a motor 1, and both the control system 3 and the motor 1 receive an external power supply V IN ; In this example, the motor 1 can be implemented as a DC brushless motor, and the external power supply V IN It can be a power supply.

[0031] Depend on figure 2 As shown in , the control system 3 is mainly composed of a driver 10 and a switch device 20, wherein the driver 10 is electrically connected to the motor 1, and the switch device 20 is electrically connected in series to the external power supply V IN and between the driver 10.

[0032] In this embodiment, the driver 10 can be a single-chip device or an integrated circuit device, and the driver 10 can output a driving signal to drive the motor 1 to run, wherein the driving signal can be a high or low In particul...

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Abstract

This invention provides a control system of a motor connected to a motor electrically, said control system and the motor receive an exterior supply, and the control system is composed of a driver and a switch device, in which, said driver is connected with the motor electrically, said switch device is serial between the exterior supply and the driver and receives an exterior control signal to control the switch, when it is turned on, said driver can initiate said motor to operate according to the exterior supply.

Description

technical field [0001] The invention relates to a control system and a switch device thereof, in particular to a motor control system and a switch device thereof. Background technique [0002] see figure 1 , the existing control system 2 is electrically connected to a motor 1, which can receive and rely on an external power supply V IN To control the operation of the motor 1 . The control system 2 is mainly composed of a driver 10, a switch assembly S, a filter capacitor C S , a first diode D 1 and a second diode D 2 composed; wherein, the switch assembly S is electrically connected to the external power supply V IN , the first diode D 1 Electrically connected between the switch assembly S and the motor 1, the second diode D 2 Electrically connected to the switch assembly S, the driver 10 is electrically connected to the second diode D 2 and between the motor 1, the filter capacitor C S One end is electrically connected to the first diode D 1 between the motor 1 an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P7/06H02P7/18H02P7/28
Inventor 邱进发邱俊隆蔡明熹黄文喜
Owner DELTA ELECTRONICS INC
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