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Inverter of washing machine and inverter of washing machine/dryer

A laundry dryer and inverter technology, which is applied to the control device of the washing machine, washing machine appliances, washing devices, etc., can solve the problems of increasing the power supply current, reducing the efficiency of the motor, and increasing the size of the inverter circuit and motor.

Inactive Publication Date: 2005-04-06
TOSHIBA LIFESTYLE PROD & SERVICES CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] That is, the output voltage of the inverter circuit cannot be set to 100% of the field-weakening operation
Therefore, it is necessary to weaken the magnetic field of the part where the voltage is reduced, so that the efficiency of the motor is reduced, and at the same time, the power supply current has to be increased, so that the volume of the inverter circuit and the motor becomes larger

Method used

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  • Inverter of washing machine and inverter of washing machine/dryer
  • Inverter of washing machine and inverter of washing machine/dryer
  • Inverter of washing machine and inverter of washing machine/dryer

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Embodiment Construction

[0027] best practice

[0028] Below, refer to Figure 1 to Figure 10 Example 1 in which the present invention is applied to a vertical shaft fully automatic washing machine will be described. first, figure 2 It is a longitudinal sectional view showing the overall composition of the fully automatic washing machine 1 . The outer box 2 is formed into a rectangle as a whole, and the water tank 3 is elastically supported by 4 groups (only 1 group is shown in the figure) anti-vibration mechanism 4 inside it. Anti-vibration mechanism 4 comprises the suspension rod 4a that upper end is fixed on the top in outer case 2 and the shock absorber 4b that is installed on the other end of this suspension rod 4a for making vibration attenuation, and is made up of these two parts. The water tank 3 is elastically supported by these anti-vibration mechanisms 4, and the vibration generated during the washing operation is prevented from being transmitted to the outer case 2 as much as possible....

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Abstract

An inverter for a washer performing drive control of an electric motor imparting a rotational driving force required for washing, rinsing and dehydrating operations in a full automatic washer performing the washing, rinsing and dehydrating processes continuously. The inverter comprises a control means for operating the motor with a full field in the low speed rotational region of washing, rinsing and dehydrating operations, with weak field in the high speed rotational region of dehydrating operation, and performing vector control of the output of the motor in the case of full field operation, and voltage / phase control of the motor in the case of field weakening operation.

Description

technical field [0001] The invention relates to an inverter device for a washing machine, which controls the drive of a motor that provides rotational driving force for washing, rinsing and drying for a fully automatic washing machine that continuously performs the processes of washing, rinsing and drying; The invention also relates to an inverter device for a washing and drying machine, which can provide the washing, rinsing, drying and drying functions for a fully automatic washing and drying machine that continuously performs the processes of washing, rinsing, drying and drying respectively. The drive control of the motor with the rotational drive force. Background technique [0002] In the past, the method widely used in fully automatic washing machines is to use a brushless DC motor for the motor that rotates the stirring blade (vibrator) or the rotating tank during washing, rinsing and drying operations, and drive the brushless DC motor with an inverter circuit. DC mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F33/02D06F25/00D06F37/30H02P6/06H02P6/08H02P6/21H02P21/00H02P21/18H02P21/24H02P21/28H02P21/32H02P23/16H02P27/04H02P27/08
CPCH02P21/00D06F37/304Y02B40/52Y02B40/00D06F2103/24D06F2105/48D06F34/10
Inventor 细糸强志永井一信
Owner TOSHIBA LIFESTYLE PROD & SERVICES CORP
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