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Detecting method and device for blocked hole of dust collector and dust collector

A detection method and technology for vacuum cleaners, applied in the installation of vacuum cleaners, measuring devices, electrical equipment, etc., can solve the problems of low reliability of hole blocking detection, and achieve the effects of improving reliability, improving service life and accurate protection.

Active Publication Date: 2018-08-28
安庆桐方聚能变频电机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, an embodiment of the present invention provides a method, device, and vacuum cleaner for detecting hole plugging of a vacuum cleaner, so as to solve the problem of low reliability of hole plugging detection of vacuum cleaners

Method used

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  • Detecting method and device for blocked hole of dust collector and dust collector
  • Detecting method and device for blocked hole of dust collector and dust collector
  • Detecting method and device for blocked hole of dust collector and dust collector

Examples

Experimental program
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Effect test

Embodiment 1

[0054] This embodiment provides a method for detecting hole plugging of a vacuum cleaner, which can be used in a detection device for hole plugging of a vacuum cleaner, such as figure 1 As shown, the method includes the following steps:

[0055] S11. Obtain the current, rotational speed and control quantity of the motor, wherein the control quantity is used to adjust the rotational speed of the motor.

[0056] During the working process of the vacuum cleaner, the detection device for the blocked hole of the vacuum cleaner obtains the current, speed and control amount of the motor in real time. Wherein, the control amount can be obtained by adjusting the difference between the current of the motor and the preset current (for example, it can be PI adjustment, or PID adjustment, or PWM modulation).

[0057] Specifically, the current of the motor can be measured with a clamp ammeter, and the rotational speed of the motor can be measured with a sensor.

[0058] S12, calculating a...

Embodiment 2

[0064] This embodiment provides a method for detecting hole plugging of a vacuum cleaner, which can be used in a detection device for hole plugging of a vacuum cleaner, such as figure 2 As shown, the method includes the following steps:

[0065] S21. Obtain the current, rotational speed and control amount of the motor, wherein the control amount is used to adjust the rotational speed of the motor.

[0066] It is the same as step S11 in Embodiment 1, and will not be repeated here.

[0067] S22, calculating a blocked hole detection value according to the current, the rotational speed and the control amount.

[0068] When the detection device for the hole blocking of the vacuum cleaner calculates the detection value of the hole blocking, the following formula can be used for calculation:

[0069]

[0070] Wherein, A is the detection value of the blocked hole; n is the rotating speed; i 1 Is the current; D is the control amount.

[0071] In addition, when the motor is a br...

Embodiment 3

[0086] This embodiment provides a method for detecting hole plugging of a vacuum cleaner, which can be used in a detection device for hole plugging of a vacuum cleaner, such as image 3 As shown, the method includes the following steps:

[0087] S31. Obtain the power supply voltage of the vacuum cleaner.

[0088] The power supply voltage of the vacuum cleaner can be divided into two types, one is for the rechargeable vacuum cleaner, the power supply voltage of the vacuum cleaner is gradually reduced during the working process of the vacuum cleaner; The external power supply (usually the mains) is connected, and the power supply voltage generally remains unchanged.

[0089] Therefore, when the vacuum cleaner is working, the detection device for hole blocking of the vacuum cleaner measures its power supply voltage in real time, which is used to determine the specific size of the preset value when the hole blocking detection value is compared with the preset value.

[0090] S32...

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Abstract

The invention discloses a detecting method and device for a blocked hole of a dust collector and the dust collector. The detecting method comprises the following steps that current, revolving speed and control quantity of a motor are acquired, wherein the control quantity is used for adjusting the revolving speed of the motor; according to the current, the revolving speed and the control quantity,a blocked hole detecting value is calculated; according to the blocked hole detecting value, it is judged whether or not an air inlet of the dust collector is the blocked hole. According to the detecting method, dynamic parameters (the current, the revolving speed and the control quantity) during the operating process of the motor are acquired, and according to the dynamic parameters, it is judged whether or not the air inlet of the dust collector is the blocked hole. Based on the actual operating state of the dust collector, the method carries out judgement of the blocked hole, it can be avoided that errors of blocked hole judgement are caused due to human factors and fluctuation of motor parameters and controller hardware parameters during batch production, thereby improving reliabilityof blocked hole judgement, the motor can be accurately protected, and the service life of the dust collector is prolonged.

Description

technical field [0001] The invention relates to the technical field of motor control, in particular to a method and device for detecting a hole blocked by a vacuum cleaner and a vacuum cleaner. Background technique [0002] With the improvement of people's living standards, vacuum cleaners have gradually replaced brooms and become the main cleaning tool. Vacuum cleaners can be divided into vertical, horizontal and portable according to their structure. The vacuum cleaner mainly includes 5 parts: air inlet, exhaust port, air pump (composed of motor and wind impeller), dust collection and storage device and casing [0003] When the vacuum cleaner is working, the air pump turns and pushes the air all the way to the exhaust port. When the air is pushed forward, the particle density in front of the fan will increase, and the air pressure will increase accordingly, while the air density behind the fan will decrease. At this time, the pressure behind the air pump is lower than th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47L9/28G01D21/00
CPCA47L9/2805A47L9/2836G01D21/00
Inventor 李潮洲严洪浩
Owner 安庆桐方聚能变频电机有限公司
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