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Active damper for washing machine

An active vibration reduction and washing machine technology, which is applied to washing devices, other washing machines, mechanical vibration control, etc., can solve the problems of complex devices, difficult vibration, and excessive size, and achieve the effect of suppressing fluctuations and reducing amplitude

Inactive Publication Date: 2003-11-05
SHANDONG UNIV
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AI Technical Summary

Problems solved by technology

The disadvantage is: it is difficult to fundamentally solve the problem of excessive vibration for eccentrically placed clothes; it is not enough to achieve the purpose of vibration reduction only by restarting
Some washing machine manufacturers, such as Haier Group and Duckling Group, have experimented with active vibration reduction methods such as oil injection or ball counterweights. Since the washing machine is a nonlinear electromechanical system with load changes, the device is too complicated and the cost is too high. put into practice

Method used

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  • Active damper for washing machine
  • Active damper for washing machine
  • Active damper for washing machine

Examples

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Effect test

Embodiment Construction

[0011] Below in conjunction with accompanying drawing, provide a best example of the present invention:

[0012] This example is implemented on the Xiaoya XQG50-166 drum washing machine. The active vibration reduction device consists of a controller 1, a power module 2, a washing machine motor 3, a connecting cable 4 and a current sensor 5. The power supply is connected to the input terminal of the power module 2, and its output terminal is connected to the input terminal of the washing machine motor after passing through the current sensor 5. The washing machine motor is a single-phase asynchronous AC motor (AC220V, 50Hz, 160W, the number of pole pairs is 2), and the controller 1 is respectively connected to the power module 2 and the current sensor 5 through the connecting cable 4.

[0013] The test speed of the washing machine motor is 1500r / min, and the eccentric torque is 2kgm.

[0014] Controller 1 is composed of microprocessor TMS320C240, program memory IS61C1024, inte...

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Abstract

The present invention is one active damper for washing machine based on motor control. It includes motor for washing machine, controller, connecting cable, power module and current sensor. The controller consists of microprocessor, peripheral interface circuit, control software, etc.; and is connected to the motor, the power module and the current sensor via the containing cable. The controller controls the motor actively based on non-linear decoupling control technology for electromechanical system to reduce the vibration of the washing machine caused by unbalanced load. The present invention can meet the damping requirement of washing machine with insignificant increased manufacture cost.

Description

technical field [0001] The invention belongs to the field of mechatronics, and in particular relates to an active damping device for a washing machine based on motor control. Background technique [0002] At present, the mainstream of washing machine vibration damping system is still mechanical damping type, such as Little Swan, Duckling and other washing machine vibration damping system is composed of spring and damper, the control of the vibration damping system is limited to over-vibration shutdown. The advantage of doing like this is: simple structure, low cost. The disadvantage is that it is difficult to fundamentally solve the problem of excessive vibration for eccentrically placed clothes; it is not enough to achieve the purpose of vibration reduction only by restarting. Some washing machine manufacturers, such as Haier Group and Duckling Group, have experimented with active vibration reduction methods such as oil injection or ball counterweights. Since the washing m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F37/00G05D19/02
Inventor 唐伟周以齐张艳青
Owner SHANDONG UNIV
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