WO2022179585A1 - 清洁装置及清洁装置的滤芯堵塞检测方法 - Google Patents

清洁装置及清洁装置的滤芯堵塞检测方法 Download PDF

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Publication number
WO2022179585A1
WO2022179585A1 PCT/CN2022/077798 CN2022077798W WO2022179585A1 WO 2022179585 A1 WO2022179585 A1 WO 2022179585A1 CN 2022077798 W CN2022077798 W CN 2022077798W WO 2022179585 A1 WO2022179585 A1 WO 2022179585A1
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motor
sensor
filter
pressure value
cleaning device
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PCT/CN2022/077798
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English (en)
French (fr)
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张如
范苏湘
邱梦斌
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追觅创新科技(苏州)有限公司
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Publication of WO2022179585A1 publication Critical patent/WO2022179585A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/44Auxiliary equipment or operation thereof controlling filtration
    • B01D46/442Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

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  • the present invention relates to the technical field of cleaning devices, in particular to a cleaning device and a filter element clogging detection method of the cleaning device.
  • Hand-held cleaning devices vacuum up garbage or dust in the environment, and are very popular among users because of their ease of use and light weight.
  • the cleaning device is generally equipped with a filter device, which is used to filter the inhaled air with dust to discharge clean air into the room. It is generally difficult for a user to find a blockage inside the cleaning device during use, and if they continue to use it, it is easy to cause damage to the cleaning device.
  • the main purpose of the present invention is to provide a cleaning device and a filter element clogging detection method of the cleaning device, which aims to solve the problem that the user of the traditional vacuum cleaner cannot know the working condition of the inner filter of the vacuum cleaner when using it, which causes the vacuum cleaner to be easily damage problem.
  • the present invention proposes a method for detecting clogging of a filter element of a cleaning device.
  • the cleaning device includes a motor, a filter structure provided at the air inlet end and/or the air outlet end of the motor, and a filter for detecting the filter element.
  • a detection component for at least one gas parameter between the structure and the air inlet end and/or the air outlet end of the motor, and the method for detecting clogging of the filter element of the cleaning device includes the following steps:
  • the filtering structure includes a first filter assembly disposed at the air inlet end of the motor, and the detection assembly includes an air outlet end disposed at the first filter assembly and an air intake end of the motor. the first sensor between;
  • the step of judging that the filter structure is blocked specifically includes:
  • the filter structure includes a second filter assembly disposed at the air outlet end of the motor, and the detection assembly includes an air inlet end disposed at the second filter assembly and an air outlet end of the motor. the second sensor between;
  • the step of judging that the filter structure is blocked specifically includes:
  • the filter structure includes a first filter assembly disposed at the air inlet end of the motor and a second filter assembly disposed at the air outlet end of the motor
  • the detection assembly includes a first filter assembly disposed at the air outlet end of the motor. a first sensor between the air outlet end of the filter assembly and the air inlet end of the motor, and a second sensor provided between the air inlet end of the second filter assembly and the air outlet end of the motor;
  • the step of judging that the filter structure is blocked specifically includes:
  • the blockage signal includes an optoelectronic signal and/or an acoustic signal.
  • the motor is controlled to stop working.
  • the initial pressure value is an atmospheric pressure value.
  • the present invention also provides a cleaning device, comprising:
  • a motor for generating air flow which includes an air inlet end and an air outlet end;
  • the filter structure includes a first filter assembly and a second filter assembly, the first filter assembly is arranged upstream of the air inlet end of the motor, and is used to filter the airflow entering the motor; the second filter assembly is arranged at the The downstream of the air inlet end of the motor is used to filter the air flow discharged by the motor;
  • a detection component includes a detection circuit board, and a first sensor and a second sensor arranged on the detection circuit board, the first sensor is used to detect the distance between the first filter component and the air inlet end of the motor At least one gas parameter of the gas between the two sensors; the second sensor is used to detect at least one gas parameter of the gas located between the air outlet end of the motor and the second filter assembly.
  • it also includes an alarm device electrically connected with the detection assembly, the alarm device including a display part and/or a sound alarm.
  • the method for detecting clogging of a filter element of a cleaning device specifically includes the following steps: acquiring an initial pressure value detected by the detection component; acquiring a working pressure value detected by the detection component; When the absolute value of the difference between the value and the initial pressure value is greater than a preset value, it is determined that the filter structure is blocked.
  • the air pressure at the air inlet and/or air outlet end of the filter structure and the motor is monitored in real time through the detection component. When the overstructure is blocked, the air pressure value upstream of the air inlet end of the motor or downstream of the air outlet end of the motor will increase or decrease sharply.
  • FIG. 1 is a schematic structural diagram of an embodiment of a handheld cleaning device provided by the present invention.
  • FIG. 2 is a schematic cross-sectional view of the handheld cleaning device described in FIG. 1;
  • Fig. 3 is the enlarged structural representation of detail A in Fig. 2;
  • FIG. 4 is a schematic structural diagram of the detection assembly and the shock-absorbing pad in FIG. 1;
  • FIG. 5 is a schematic structural diagram of the detection assembly and the shock-absorbing pad from another perspective in FIG. 4;
  • Fig. 6 is the structural representation of the second filter assembly described in Fig. 1;
  • FIG. 7 is a schematic structural diagram of the circuit board mounting frame described in FIG. 1;
  • Fig. 8 is the structural representation of the hand-held structure described in Fig. 1;
  • FIG. 9 is a schematic flowchart of a method for detecting clogging of a filter element of a cleaning device provided by the present invention.
  • the directional indication is only used to explain the relative positional relationship, motion, etc. between the components under a certain posture. If the specific posture changes , the directional indication changes accordingly.
  • the present invention provides a cleaning device and a filter element clogging detection method for the cleaning device.
  • FIGS. 1 to 8 are an embodiment of the cleaning device provided by the present invention
  • FIG. 9 is a schematic diagram of the filter element clogging detection method for the cleaning device provided by the present invention. an embodiment.
  • the cleaning device 100 includes a motor 22, a filter structure and a detection component 5; wherein, the motor 22 is used to generate airflow, and includes an air inlet end and an air outlet end to When the cleaning device 100 is cleaning, it can suck dust and other garbage into the cleaning device 100, and then discharge clean air into the room;
  • the filter structure includes a first filter assembly and a second filter assembly, and the first filter assembly 3 is provided with Located upstream of the air inlet end of the motor 22, it is used to filter the air flow entering the motor 22;
  • the second filter assembly 4 is arranged downstream of the air inlet end of the motor 22, and is used to filter the air flow discharged from the motor 22;
  • the detection assembly 5 includes: There is a detection circuit board 51, a first sensor 53 and a second sensor 54.
  • the first sensor 53 and the second sensor 54 are arranged on the detection circuit board 51. At least one gas parameter of the gas between the air inlet ends; the second sensor 54 is used to detect at least one gas parameter of the gas between the air outlet end of the motor 22 and the second filter assembly 4 .
  • the above-mentioned gas parameters may be air pressure value or dust content, etc., so correspondingly, the first sensor 53 and the second sensor 54 may be air pressure sensors or dust sensors.
  • the cleaning device 100 provided in the present invention may be a cleaning device, a sweeper, or a mopping machine.
  • the following description about the orientation is based on the normal use of the cleaning device.
  • the first filter assembly 3 is located below the motor 22, and the air inlet end of the motor 22 is located at the bottom of the motor 22. Below the motor 22 , the air outlet end of the motor 22 is above the motor 22 .
  • the motor 22 and the dust cup may also be arranged laterally relative to the handle (not shown in the figures).
  • a first filter assembly 3 is provided upstream of the air inlet end of the motor 22 to filter the airflow entering the motor 22, so as to prevent the motor 22 from being contaminated with excessive dust and protect the motor 22;
  • a second filter assembly 4 is disposed downstream of the air outlet end of the motor 22 for filtering the air flow discharged from the motor 22, so that the air flow discharged into the user's room can be cleaner; and
  • a detection assembly 5 is provided to detect the cleaning device 100, so as to know whether the filter assembly inside the cleaning device 100 is blocked, and remind the user to clean in time; Used to detect at least one gas parameter of the gas between the first filter assembly 3 and the air inlet end of the motor 22; the second sensor 54 is used to detect the air between the air outlet end of the motor 22 and the second filter assembly 4.
  • the gas parameter can be the air pressure value.
  • the first filter assembly 3 When the first filter assembly 3 is blocked, the outside air cannot enter the air inlet end of the motor 22 through the first filter assembly 3, and the first filter assembly 3 and the motor 22 enter. The degree of vacuum between the wind ends will increase (relative to the calibration pressure, the pressure will decrease), at this time, the measurement result can be fed back to the user in time through the first sensor 53, so that the user can turn off the cleaning device 100 in time to protect the motor 22.
  • the second filter assembly 4 is blocked, the pressure between the two increases relative to the calibrated pressure, and the user can also know in time. The two sensors are detected separately, so that the user can clearly understand the blockage and detect More reliable and more convenient for users to operate.
  • the detection circuit board 51 is generally arranged horizontally in the cleaning device 100. Specifically, referring to FIG. 3, the detection circuit board 51 It includes a first surface and a second surface that are oppositely arranged, the first sensor 53 is arranged on the first surface, the second sensor 54 is arranged on the second surface, and the first sensor 53 and the second sensor 54 are installed on a detection circuit board 51 at the same time. , the structure is simpler. It can be understood that, the detection circuit board 51 can also be placed in any form according to structural requirements.
  • a shock-absorbing pad 24 is arranged between the air inlet end of the motor 22 and the first filter assembly 3, and the detection assembly 5 is arranged on the shock-absorbing pad 24, the structure is simpler and the installation is more convenient .
  • a first cavity is defined between the shock pad 24 and the air inlet end of the motor 22
  • a second cavity is defined between the air outlet end of the motor 22 and the second filter assembly 4 .
  • the shock-absorbing pad 24 is provided with a first air passage communicating with the first cavity, and a second air passage communicating with the second cavity, so that a sensor can be arranged in the first air passage, Another sensor is arranged in the second air passage to separate the first cavity from the second cavity, so that the blockage can be detected more accurately.
  • the shock-absorbing pad 24 is provided with a first limiting groove 241 , the notch of the first limiting groove 241 is disposed upward, and the detection circuit board 51 is disposed in the first limiting groove 241, and the first sensor 53 is located on the side of the detection circuit board 51 facing the bottom of the first limiting slot 241, and a ventilation hole 242 is opened on the side wall of the first limiting slot 241, and the ventilation hole 242 communicates with the first limiting slot 241.
  • the limit groove 241 and the second cavity, the second sensor 54 is located in the first limit groove 241, so as to communicate with the second cavity, so as to detect the gas parameters in the second cavity and block the second filter assembly 4 monitor the situation.
  • a first opening 244 corresponding to the first sensor 53 is formed on the bottom wall of the first limiting groove 241 , and the first opening 244 communicates with the first cavity.
  • the gas parameters in the first cavity can be detected, and the blockage of the first filter assembly 3 can be monitored.
  • the cleaning device 100 further includes a motor mounting frame 23 for mounting the motor 22 , and the motor mounting frame 23 is used for fixing the motor 22 ,
  • the motor mounting frame 23 includes a bottom plate 231 provided on the air inlet end of the motor 22, and a first side plate 232 provided on the bottom plate 231, and the motor 22 is mounted on the bottom plate 231.
  • the first side plate 232 is arranged around the peripheral side of the motor 22 to be connected with the upper part of the motor 22;
  • the air inlet end so that the air filtered from the first filter assembly 3 can enter the air inlet end of the motor 22 through the through hole;
  • the shock pad 24 can be provided at the transition between the bottom plate 231 and the first side plate 232 It is arranged at the peripheral side of the air inlet end of the motor 22, so as to seal the gap between the motor mounting frame 23 and the motor 22, so that the air flow does not stray, and the motor 22 can be damped by the shock pad 24.
  • the shock pad 24 can also be used to install the fixed detection component 5, which is easy to install and has a simpler structure.
  • the cleaning device 100 further includes a circuit board mounting bracket 55 for mounting the detection assembly 5 , so that the detection circuit board 51 is more stably installed on the shock-absorbing pad 24 ; the circuit board
  • the mounting bracket 55 and the detection circuit board 51 There are many ways to install the mounting bracket 55 and the detection circuit board 51 .
  • one of the detection circuit board 51 and the circuit board mounting bracket 55 is provided with a stud 551 , and the other is provided with a stud 551 .
  • the matching mounting holes 52 , the detection circuit board 51 and the circuit board mounting frame 55 are connected through the studs 551 and the mounting holes 52 through screws.
  • the shock-absorbing pad 24 is provided with a second limiting slot 243 opposite to the first limiting slot 241 , and the circuit board mounting frame 55 is arranged in the second limiting slot 243 ;
  • the board mounting frame 55 is provided with a second opening 552 corresponding to the first opening 244, and the second opening 552 communicates with the first cavity, so that the first sensor 53 can communicate with the first cavity , to detect the gas in the first cavity.
  • the motor mounting frame 23 further includes a second side plate 233 surrounding the outer side of the first side plate 232 , and the first side plate 232 and the second side plate 233 are far from the bottom plate 231 .
  • the second filter assembly 4 includes an upper splint 41 and a lower splint 42 arranged at intervals along the up-down direction, and a filter paper 43 arranged between the upper splint 41 and the lower splint 42, the upper splint 41 and the lower splint 42 Both are connected to the motor mounting frame 23, the filter paper 43 is arranged around the peripheral side of the motor 22, and is located between the first side plate 232 and the second side plate 233, and the air inlet end of the filter paper 43 is connected to the motor 22. The air outlet end is communicated with, and the air outlet end of the filter paper 43 is used to communicate with the exhaust hole 61 on the cleaning device 100 to discharge clean air into the room.
  • the cleaning device 100 generally also has a casing 21 and a dust cup assembly 1, and the casing 21 can enclose the above-mentioned motor 22, the second filter assembly 4 and the detection assembly 5, so that the appearance is more beautiful, and the exhaust hole 61 It can be arranged on the casing 21 to communicate with the air outlet end of the filter paper 43 .
  • the dust cup assembly 1 includes a dust cup 11 to store the filtered dust and other garbage, wherein the first filter assembly 3 can also be arranged inside the dust cup 11, so that the dust filtered by the first filter assembly 3 can be directly fall into the dust cup 11 .
  • the cleaning device 100 when the cleaning device 100 is configured as a hand-held cleaning device, the cleaning device 100 may further include a hand-held structure, and at this time, the air vent 61 may be disposed on the hand-held structure 6 .
  • the interior of the cleaning device is communicated with the atmospheric pressure, and its internal pressure is basically the same as the atmospheric pressure.
  • the detection component 5 detects the local atmospheric pressure value.
  • the control board of the cleaning device will receive the signal (ie, the signal reflecting the atmospheric pressure value);
  • the blockage of the filter structure can also be measured according to other parameters in the air flow, such as dust content, etc., only the type of the detection component 5 can be changed.
  • the detection component 5 can be set as a pressure sensor, which is more convenient for detection.
  • the detection component 5 detects the change in the air pressure value in real time.
  • the detection result of the detection component 5 is processed by the controller by being transmitted to the controller connected with the detection component 5 .
  • the controller determines that the filter structure is blocked.
  • the air pressure at the air inlet end and/or air outlet end of the filter structure and the motor 22 is monitored in real time by the detection component 5.
  • the air pressure value upstream of the air inlet end of the motor 22 or downstream of the air outlet end of the motor 22 rises sharply.
  • the working condition of the filter structure can be effectively monitored, and the blockage can be accurately judged, which can effectively protect the normal operation of the motor 22, prolong the The service life of the motor 22, thereby increasing the service life of the cleaning device.
  • the steps of the above S300 specifically include:
  • the ratio of the working pressure value detected by the first sensor 53 to the initial pressure value does not change much.
  • the airflow will not be able to pass through.
  • the motor 22 is still running, the first cavity is in a vacuum state, and the air pressure drops sharply.
  • a filter assembly 3 is monitored, so that the user can find out the working condition of the first filter assembly 3 in time, and can deal with it in time.
  • the filter structure may only include the second filter assembly 4 disposed at the air outlet end of the motor 22, and the detection assembly 5 includes the second sensor 54 disposed between the air inlet end of the second filter assembly 4 and the air outlet end of the motor 22;
  • the steps of the above S300 specifically include:
  • the second filter assembly 4 when the second filter assembly 4 is in a normal state, the ratio of the working pressure value detected by the second sensor 54 to the initial pressure value does not change much, and when the second filter assembly 4 is blocked, the airflow will not be able to The second filter assembly 3 is discharged, but the motor 22 is still running, so that there is continuous airflow input in the second cavity but no airflow output, and the air pressure increases sharply. Therefore, the second filter assembly 4 can be monitored, so that the user can find out the working condition of the second filter assembly 4 in time, and can deal with it in time.
  • the detection assembly 5 includes an air outlet end disposed at the first filter assembly 3 and the motor
  • the steps of the above S300 specifically include:
  • the clogging point can be judged for more accurate processing.
  • step S300 After the controller determines that the filter element is blocked, in order to better inform the user, the following steps are included after the above step S300:
  • the clogging signal includes a photoelectric signal and/or a sound signal.
  • a display screen may be provided on the housing of the cleaning device. When the first filter assembly 3 and/or the second filter assembly 4 are blocked, the display screen will be displayed on the The blockage condition is displayed, or an alarm can be sounded at the same time to remind the user.
  • control motor 22 stops working.
  • the controller After the controller determines that at least one of the filter assemblies is blocked, it immediately controls the motor 22 to suspend, so as to prevent the motor 22 from being damaged, so as to better protect the motor 22 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

一种清洁装置(100)及清洁装置(100)的滤芯堵塞检测方法,清洁装置(100)包括电机(22)、设于电机(22)的进风端和/或出风端的过滤结构、以及用以检测过滤结构与电机(22)的进风端和/或出风端之间的至少一项气体参数的检测组件(5),清洁装置(100)滤芯堵塞检测方法包括如下步骤:获取检测组件(5)检测到的初始压力值;获取检测组件(5)检测到的工作压力值;当工作压力值与初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞。该方法可对过滤结构的工作状况进行有效监管,并对堵塞处可准确判断,有效保护电机(22)正常运转,延长电机(22)的使用寿命,从而提高清洁装置(100)的使用寿命。

Description

清洁装置及清洁装置的滤芯堵塞检测方法 技术领域
本发明涉及清洁装置技术领域,具体涉及一种清洁装置及清洁装置的滤芯堵塞检测方法。
背景技术
手持清洁装置通过真空吸取环境中的垃圾或灰尘,由于使用方便,且重量轻,因此倍受用户喜爱。清洁装置内一般设置有过滤器件,用于将吸入的带灰尘的空气进行过滤,以排出干净的空气至室内,但清洁装置在使用一段时间后,若不及时清理,可能出现堵塞的情况,而用户在使用时一般不容易发现清洁装置内部的堵塞,而继续使用,困此,容易造成清洁装置的损坏。
发明内容
为了解决上述技术问题,本发明的主要目的在于提供一种清洁装置及清洁装置的滤芯堵塞检测方法,旨在解决传统的吸尘器用户在使用时无法获知吸尘器内部过滤器的工作状况,而造成吸尘器容易损坏的问题。
为了实现上述目的,本发明提出的一种清洁装置滤芯堵塞检测方法,所述清洁装置包括电机、设于所述电机的进风端和/或出风端的过滤结构、以及用以检测所述过滤结构与所述电机的进风端和/或出风端之间的至少一项气体参数的检测组件,所述清洁装置滤芯堵塞检测方法包括如下步骤:
获取所述检测组件检测到的初始压力值;
获取所述检测组件检测到的工作压力值;
当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞。
在一实施例中,所述过滤结构包括设于所述电机的进风端的第一过滤组件,所述检测组件包括设于所述第一过滤组件的出风端和所述电机的进风端之间的第一传感器;
当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,判断所述过滤结构堵塞的步骤具体包括:
当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值大于预设值时,则可判断所述第一过滤组件堵塞。
在一实施例中,所述过滤结构包括设于所述电机的出风端的第二过滤组件,所述检测组件包括设于所述第二过滤组件的进风端和所述电机的出风端之间的第二传感器;
当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,判断所述过滤结构堵塞的步骤具体包括:
当所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值大于预设值时,则可判断所述第二过滤组件堵塞。
在一实施例中,所述过滤结构包括设于所述电机的进风端的第一过滤组件和设于所述电机的出风端的第二过滤组件,所述检测组件包括设于所述第一过滤组件的出风端和所述电机的进风端之间的第一传感器、以及设于所述第二过滤组件的进风端和所述电机的出风端之间的第二传感器;
当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,判断所述过滤结构堵塞的步骤具体包括:
当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值大于预设值,而所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值小于或等于预设值时,则可判断所述第一过滤组件堵塞;
当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值小于或等于预设值,而所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值大于预设值时,则可判断所述第二过滤组件堵塞;
当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值大于预设值,且所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值也大于预设值时,则可判断所述第一过滤组件和所述第二过滤组件均堵塞。
在一实施例中,在当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞的步骤之后,还包括如下步骤:
当判断所述过滤结构堵塞后,发出堵塞信号。
在一实施例中,所述堵塞信号包括光电信号和/或声音信号。
在一实施例中,在当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞的步骤之后,还包括如下步骤:
当判断所述过滤结构堵塞后,控制所述电机停止工作。
在一实施例中,所述初始压力值为大气压值。
本发明还提供一种清洁装置,包括:
电机,用于产生气流,其包括进风端和出风端;
过滤结构,包括第一过滤组件和第二过滤组件,所述第一过滤组件设于所述电机的进风端的上游,用于对进入电机的气流进行过滤;所述第二过滤组件设于所述电机的进风端的下游,用于对电机排出的气流进行过滤;
检测组件,包括检测电路板、以及设于所述检测电路板上的第一传感器和第二传感器,所述第一传感器用于检测位于所述第一过滤组件与所述电机的进风端之间的气体的至少一项气体参数;所述第二传感器用于检测位于所述电机的出风端与所述第二过滤组件之间的气体的至少一项气体参数。
在一实施例中,还包括与所述检测组件电性连接的报警装置,所述报警装置包括显示部件和/或声音警报器。
本发明提供的技术方案中,所述清洁装置滤芯堵塞检测方法具体包括如下步骤:获取所述检测组件检测到的初始压力值;获取所述检测组件检测到的工作压力值;当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞。通过检测组件实时监测过滤结构与电机的进风端和/或出风端处的气压,当过结构堵塞时,电机进风端上游或电机出风端下游的气压值净急剧上升或下降,通过获取电机进风端上游或电机出风端下游的气压值,可对过滤结构的工作状况进行有效监管,并对堵塞处可准确判断,有效保护电机正常运转,延长电机的使用寿命,从而提高清洁装置的使用寿命。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本发明提供的一种手持清洁装置的一实施例的结构示意图;
图2为图1中所述手持清洁装置的剖面结构示意图;
图3为图2中细节A的放大结构示意图;
图4为图1中所述检测组件和所述减震垫的结构示意图;
图5为图4中所述检测组件和所述减震垫的另一视角的结构示意图;
图6为图1中所述第二过滤组件的结构示意图;
图7为图1中所述电路板安装架的结构示意图;
图8为图1中所述手持结构的结构示意图;
图9为本发明提供的一种清洁装置滤芯堵塞检测方法的流程示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明,若本发明实施例中有涉及方向性指示,则该方向性指示仅用于解释在某一特定姿态下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。
另外,若本发明实施例中有涉及“第一”、“第二”等的描述,则该“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,全文中出现的“和/或”的含义,包括三个并列的方案,以“A和/或B”为例,包括A方案、或B方案、或A和B同时满足的方案。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本发明要求的保护范围之内。
本发明提供一种清洁装置及清洁装置的滤芯堵塞检测方法,图1至图8 为本发明提供的所述清洁装置的一实施例,图9为本发明提供的清洁装置的滤芯堵塞检测方法的一实施例。
请参阅图1和图2,在本实施例中,清洁装置100包括有电机22、过滤结构及检测组件5;其中,电机22用于产生气流,其包括有进风端和出风端,以使清洁装置100在进行清扫工作时,可将灰尘等垃圾吸入清洁装置100内,再将干净的气流排出至室内;过滤结构包括有第一过滤组件和第二过滤组件,第一过滤组件3设于电机22的进风端的上游,用于对进入电机22的气流进行过滤;第二过滤组件4设于电机22的进风端的下游,用于对电机22排出的气流进行过滤;检测组件5包括有检测电路板51、第一传感器53和第二传感器54,第一传感器53和第二传感器54设于检测电路板51上,第一传感器53用于检测位于第一过滤组件3与电机22的进风端之间的气体的至少一项气体参数;第二传感器54用于检测位于电机22的出风端与第二过滤组件4之间的气体的至少一项气体参数。
需要说明的是,上述气体参数可为气压值或灰尘含量等,从而相对应地,第一传感器53和第二传感器54可为气压传感器或灰尘传感器。本发明中提供清洁装置100可为清洁装置、扫地机或是拖地机等,为方便了解检测组件5的设置方式,下面将以检测组件5应用于清洁装置内为例进行说明。并且,在本实施例中,下列关于方位的描述,均以清洁装置在正常使用时为参考,清洁装置在正常使用时,第一过滤组件3位于电机22的下方,电机22的进风端处于电机22下方,电机22的出风端处于电机22上方。在其他实施例中,电机22和尘杯还可以相对手柄横向设置(图中未示出)。
本发明提供的技术方案中,通过在电机22的进风端的上游设置有第一过滤组件3,用于对进入电机22的气流进行过滤,避免电机22内部沾染过多灰尘,保护电机22;通过在电机22的出风端的下游设置有第二过滤组件4,用于对电机22排出的气流进行过滤,可使排出至用户室内的气流更干净;而且,通过设置有检测组件5以检测清洁装置100内的气体的参数,从而可获知清洁装置100内部的过滤组件是否堵塞,以及时提醒用户清理;具体地,在清洁装置100内设置有第一传感器53和第二传感器54,第一传感器53用于检测位于第一过滤组件3与电机22的进风端之间的气体的至少一项气体参数;第二传感器54用于检测位于电机22的出风端与第二过滤组件4之间的气体 的至少一项气体参数,气体参数可为气压值,当第一过滤组件3堵塞时,外界气流无法通过第一过滤组件3进入电机22的进风端,第一过滤组件3与电机22进风端之间的真空度将增大(相对于标定压力来说压力降低),此时,通过第一传感器53可及时将测量结果反馈给用户,使得用户可及时关闭清洁装置100,以保护电机22,同样地,当第二过滤组件4堵塞时,相对于标定的压力来说两者之间的压力增加,用户也可及时获知,两个传感器分别检测,可使用户明确了解堵塞处,检测更可靠,用户操作也更方便。
由于电机22的进风端和出风端一般设于电机22的两端,为了便于检测,一般将检测电路板51水平设置于清洁装置100内,具体地,可参阅图3,检测电路板51包括相对设置的第一表面和第二表面,第一传感器53设置于第一表面,第二传感器54设置于第二表面,第一传感器53和第二传感器54同时安装于一检测电路板51上,结构更简单。可以理解的是,检测电路板51还可以根据结构需要以任意形式放置。
为减少清洁装置100的噪声,在电机22的进风端和第一过滤组件3之间设置有减震垫24,且检测组件5设置于减震垫24上,结构更简单,安装也更方便。
为了保证检测组件5检测的准确性,在减震垫24和电机22的进风端限定有第一腔体,在电机22的出风端和第二过滤组件4之间限定有第二腔体,减震垫24上开设有与第一腔体连通的第一过风通道,和开设有与第二腔体连通的第二过风通道,从而可在第一过风通道内设置一传感器,在第二过风通道内设置另一传感器,将第一腔体和第二腔体分隔开,可更准确的检测出堵塞处。
第一过风通道和第二过风通道的设置形式有多种。在一实施例中,可参阅图4,在减震垫24上设有第一限位槽241,第一限位槽241的槽口朝上设置,检测电路板51设于第一限位槽241内,且第一传感器53位于检测电路板51朝向第一限位槽241的槽底的一侧,在第一限位槽241的侧壁上开设有通风孔242,通风孔242连通第一限位槽241和第二腔体,第二传感器54则位于第一限位槽241内,从而与第二腔体连通,以检测第二腔体内的气体参数,对第二过滤组件4的堵塞情况进行监测。
进一步地,可结合图3和图5,在第一限位槽241的底壁开设有与第一传 感器53相对应的第一开孔244,第一开孔244与第一腔体相连通,以形成第一过风通道,从而可检测第一腔体内的气体参数,对第一过滤组件3的堵塞情况进行监测。
在本实施例中,可结合图2和图3,为使电机22的安装更稳定,该清洁装置100还包括有用于安装电机22的电机安装架23,电机安装架23用于固定电机22,以对电机22的上部和下部均进行固定,具体地,电机安装架23包括设于电机22的进风端的底板231、以及设于底板231上的第一侧板232,电机22安装于底板231上,第一侧板232环设于电机22的周侧,以可与电机22的上部进行连接;底板231上开设有通孔,通孔连通第一过滤组件3的出风端和电机22的进风端,使得从第一过滤组件3过滤出的气流可通过该通孔进入至电机22的进风端;此时,减震垫24则可设于底板231和第一侧板232的过渡处、且围设于电机22的进风端的周侧,从而将电机安装架23与电机22之间的间隙进行密封,使气流不乱窜,而且通过减震垫24可对电机22进行减震,也可用于安装固定检测组件5,安装方便,且结构更简单。
在本实施例中,可参阅图4和图7,该清洁装置100还包括有用于安装检测组件5的电路板安装架55,使得检测电路板51在减震垫24上安装更稳定;电路板安装架55与检测电路板51的安装方式有多种,在一实施例中,检测电路板51和电路板安装架55其中之一设有螺柱551,其中另一设有与螺柱551相配合的安装孔52,检测电路板51和电路板安装架55通过螺钉穿设于螺柱551和安装孔52中进行连接。
具体地,可参阅图5,在减震垫24上设有与第一限位槽241呈相对设置的第二限位槽243,电路板安装架55设于第二限位槽243内;电路板安装架55上开设有与第一开孔244相对应的第二开孔552,且第二开孔552与第一腔体相连通,从而使得第一传感器53可与第一腔体相连通,以对第一腔体内的气体进行检测。
在本实施例中,可结合图3和图6,电机安装架23还包括围设于第一侧板232外侧的第二侧板233,第一侧板232和第二侧板233远离底板231的一端相连接;第二过滤组件4包括沿上下向呈间隔设置的上夹板41和下夹板42、以及设于上夹板41和下夹板42之间的过滤纸43,上夹板41和下夹板42均与电机安装架23相连接,过滤纸43环设于电机22的周侧、且位于第一侧板 232和第二侧板233的间隔之间,过滤纸43的进风端与电机22的出风端相连通,过滤纸43的出风端用于与清洁装置100上的排气孔61相连通,以将干净气体排至室内。
可以理解的是,清洁装置100一般还具有外壳21及尘杯组件1,该外壳21可将上述电机22、第二过滤组件4和检测组件5包裹于内,从而外观更美观,排气孔61可设置于外壳21上,以与过滤纸43的出风端连通。尘杯组件1则包括有尘杯11,以存储过滤出的灰尘等垃圾,其中,第一过滤组件3也可设置于尘杯11内侧,以使经第一过滤组件3过滤出的灰尘可直接落入尘杯11内。
可参阅图7,当该清洁装置100设置为手持清洁装置时,则该清洁装置100还可包括手持结构,此时,排气孔61则可设置于手持结构6上。
结合上述清洁装置,参阅图9,下面提出本发明提供的清洁装置滤芯堵塞检测方法的具体实施方式,其中,清洁装置滤芯堵塞检测方法具体包括如下步骤:
S100、在清洁装置开机的瞬间时,获取检测组件5检测到的初始压力值;
当清洁装置不工作时,清洁装置的内部与大气压连通,其内部压力基本与大气压相同,在开机的瞬间,检测组件5检测到的即为当地的大气压值。清洁装置的控制板会接收到该信号(即反应大气压力值的信号);
当然,可以理解的是,过滤结构的堵塞情况也可根据气流中的其他参数进行测量,如含尘量等,只需改变检测组件5的类型即可。在本实施例中,检测组件5可设置为压力传感器,检测更方便。
S200、在清洁装置工作的时间内,实时获取检测组件5检测到的工作压力值;
需要说明的是,清洁装置在工作期间,灰尘大量进入清洁装置内,从而经过过滤结构进行过滤,此时,清洁装置内的气压值则会产生变化,检测组件5通过实时检测气压值的变化,以传送至与检测组件5相连接的控制器,通过控制器来处理检测组件5的检测结果。
S300、当工作压力值与初始压力值的差值的绝对值大于预设值时,则判断过滤结构堵塞。
需要说明的是,当控制器的检测结果为工作压力值与初始压力值的差值 的绝对值要大于预设值,则控制器判断过滤结构堵塞。
通过检测组件5实时监测过滤结构与电机22的进风端和/或出风端处的气压,当过结构堵塞时,电机22进风端上游或电机22出风端下游的气压值净急剧上升或下降,通过获取电机22进风端上游或电机22出风端下游的气压值,可对过滤结构的工作状况进行有效监管,并对堵塞处可判断准确,可有效保护电机22正常运转,延长电机22的使用寿命,从而提高清洁装置的使用寿命。
过滤结构的设置形式有多种,根据不同的设置形式,测量方法也有所不同。
下面提出本发明清洁装置滤芯堵塞检测方法的第二实施例。
当过滤结构只包括有设于电机22的进风端的第一过滤组件3,检测组件5包括设于第一过滤组件3的出风端和电机22的进风端之间的第一传感器53时,上述S300的步骤具体包括:
当第一传感器53检测到的工作压力值与第一传感器53的初始压力值的差值的绝对值大于预设值时,则可判断第一过滤组件3堵塞。
需要说明的是,当第一过滤组件3处于正常状态时,第一传感器53检测到的工作压力值与初始压力值比当无太大变化,当第一过滤组件3堵塞后,气流将无法穿过第一过滤组件3,但电机22仍在运行,使得第一腔体内成真空状,则气压急剧降低,通过第一传感器53来实时检测电机22进风端侧的气压值,从而可对第一过滤组件3进行监测,使用户可及时发现第一过滤组件3的工作状况,并可及时进行处理。
下面提出本发明清洁装置滤芯堵塞检测方法的第三实施例。
过滤结构可只包括有设于电机22的出风端的第二过滤组件4,检测组件5包括设于第二过滤组件4的进风端和电机22的出风端之间的第二传感器54;
此时,上述S300的步骤具体包括:
当第二传感器54检测到的工作压力值与第二传感器54的初始压力值的差值的绝对值大于预设值时,则可判断第二过滤组件4堵塞。
需要说明的是,当第二过滤组件4处于正常状态时,第二传感器54检测到的工作压力值与初始压力值比当无太大变化,当第二过滤组件4堵塞后,气流将无法第二过滤组件3排出,但电机22仍在运行,使得第二腔体内不断 有气流输入而无气流输出,则气压急剧增加,通过第二传感器54来实时检测电机22出风端侧的气压值,从而可对第二过滤组件4进行监测,使用户可及时发现第二过滤组件4的工作状况,并可及时进行处理。
下面提出本发明清洁装置滤芯堵塞检测方法的第四实施例。
当过滤结构包括有设于电机22的进风端的第一过滤组件3和设于电机22的出风端的第二过滤组件4,检测组件5包括设于第一过滤组件3的出风端和电机22的进风端之间的第一传感器53、以及设于第二过滤组件4的进风端和电机22的出风端之间的第二传感器54时,
此时,上述S300的步骤具体包括:
当第一传感器53检测到的工作压力值与第一传感器53的初始压力值的差值的绝对值大于预设值,而第二传感器54检测到的工作压力值与第二传感器54的初始压力值的差值的绝对值小于或等于预设值时,则可判断第一过滤组件3堵塞;
当第一传感器53检测到的工作压力值与第一传感器53的初始压力值的差值的绝对值小于或等于预设值,而第二传感器54检测到的工作压力值与第二传感器54的初始压力值的差值的绝对值大于预设值时,则可判断第二过滤组件4堵塞;
当第一传感器53检测到的工作压力值与第一传感器53的初始压力值的差值的绝对值大于预设值,且第二传感器54检测到的工作压力值与第二传感器54的初始压力值的差值的绝对值也大于预设值时,则可判断第一过滤组件3和第二过滤组件4均堵塞。
基于上述同样的判断原理,通过对电机22的不同侧的工作压力值的大小与初始压力值进行比较,从而可判断出堵塞点,以更准确的进行处理。
当控制器判断出滤芯堵塞后,为了更好的告知用户,在上述S300的步骤之后,还包括如下步骤:
当判断过滤结构堵塞后,发出堵塞信号。
具体地,堵塞信号包括光电信号和/或声音信号,例如,可在清洁装置的外壳上设置有显示屏,当第一过滤组件3和/或第二过滤组件4堵塞后,则在显示屏上显示堵塞状况,或者也可同时发出警报声,提醒用户。
当然,在另一实施例中,当控制器判断出滤芯堵塞后,为了及时的保护 电机22,在上述S300的步骤之后,还包括如下步骤:
当判断过滤结构堵塞后,控制电机22停止工作。
在控制器判断出其中至少一个过滤组件堵塞后,则立即控制电机22暂停,以免电机22损坏,以更好的保护电机22。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种清洁装置滤芯堵塞检测方法,其特征在于,所述清洁装置包括电机、设于所述电机的内过滤结构以及用以检测所述过滤结构至少一项气体参数的检测组件,所述清洁装置滤芯堵塞检测方法包括如下步骤:获取所述检测组件检测到的初始压力值;获取所述检测组件检测到的工作压力值;当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞。
  2. 如权利要求1所述的清洁装置滤芯堵塞检测方法,其特征在于,所述过滤结构包括设于所述电机的进风端的第一过滤组件,所述检测组件包括设于所述第一过滤组件的出风端和所述电机的进风端之间的第一传感器;当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,判断所述过滤结构堵塞的步骤具体包括:当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值大于预设值时,则可判断所述第一过滤组件堵塞。
  3. 如权利要求1所述的清洁装置滤芯堵塞检测方法,其特征在于,所述过滤结构包括设于所述电机的出风端的第二过滤组件,所述检测组件包括设于所述第二过滤组件的进风端和所述电机的出风端之间的第二传感器;当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,判断所述过滤结构堵塞的步骤具体包括:当所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值大于预设值时,则可判断所述第二过滤组件堵塞。
  4. 如权利要求1所述的清洁装置滤芯堵塞检测方法,其特征在于,所述过滤结构包括设于所述电机的进风端的第一过滤组件和设于所述电机的出风端的第二过滤组件,所述检测组件包括设于所述第一过滤组件的出风端和所述电机的进风端之间的第一传感器、以及设于所述第二过滤组件的进风端和所述电机的出风端之间的第二传感器;当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,判断所述过滤结构堵塞的步骤具体包括:当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值大于预设值,而所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值小于或等于预设值时,则可判断所述第一 过滤组件堵塞;当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值小于或等于预设值,而所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值大于预设值时,则可判断所述第二过滤组件堵塞;当所述第一传感器检测到的工作压力值与所述第一传感器的初始压力值的差值的绝对值大于预设值,且所述第二传感器检测到的工作压力值与所述第二传感器的初始压力值的差值的绝对值也大于预设值时,则可判断所述第一过滤组件和所述第二过滤组件均堵塞。
  5. 如权利要求1所述的清洁装置滤芯堵塞检测方法,其特征在于,在当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞的步骤之后,还包括如下步骤:当所述过滤结构堵塞后,发出堵塞信号。
  6. 如权利要求5所述的清洁装置滤芯堵塞检测方法,其特征在于,所述堵塞信号包括光电信号和/或声音信号。
  7. 如权利要求1所述的清洁装置滤芯堵塞检测方法,其特征在于,在当所述工作压力值与所述初始压力值的差值的绝对值大于预设值时,则判断所述过滤结构堵塞的步骤之后,还包括如下步骤:当判断所述过滤结构堵塞后,控制所述电机停止工作。
  8. 如权利要求1所述的清洁装置滤芯堵塞检测方法,其特征在于,所述初始压力值为大气压值。
  9. 一种清洁装置,其特征在于,包括:
    电机,用于产生气流,其包括进风端和出风端;
    过滤结构,包括第一过滤组件和第二过滤组件,所述第一过滤组件设于所述电机的进风端的上游,用于对进入电机的气流进行过滤;其中,所述第二过滤组件设于所述电机的进风端的下游,用于对电机排出的气流进行过滤;以及
    检测组件,包括检测电路板、以及设于所述检测电路板上的第一传感器和第二传感器,所述第一传感器用于检测位于所述第一过滤组件与所述电机的进风端之间的气体的至少一项气体参数;所述第二传感器用于检测位于所述电机的出风端与所述第二过滤组件之间的气体的至少一项气体参数。
  10. 如权利要求9上述的清洁装置,其特征在于,所述电机的进风端与所述第一过滤组件之间设有减震垫,所述检测组件设于所述减震垫上;其中,所述电机的进风端与所述减震垫之间限定出第一腔体,所述电机的出风端和所述第二过滤组件之间限定出第二腔体,所述第一腔体与所述第二腔体相互独立。
  11. 如权利要求10所述的清洁装置,其特征在于,所述第一传感器设于所述检测电路板的第一表面,所述第二传感器设于所述检测电路板的第二表面,所述第一表面位于所述第一腔体中,所述第二表面位于所述第二腔体中。
  12. 如权利要求11所述的清洁装置,其特征在于,所述减震垫上设有第一限位槽,所述第二传感器位于所述第一限位槽内;其中,所述第一限位槽的侧壁开设有通风孔,所述通风孔连通所述第二腔体和所述第一限位槽。
  13. 如权利要求11所述的清洁装置,其特征在于,所述第一限位槽的底壁开设有第一开孔,所述第一开孔与所述第一腔体连通,所述第一传感器通过所述第一开孔置于所述第一腔体中。
  14. 如权利要求13所述的清洁装置,其特征在于,还包括用于固定所述检测组件的电路板安装架,所述检测电路板通过所述电路板安装架固定在所述减震垫上;其中,所述减震垫上设有与所述第一限位槽相对设置的第二限位槽,所述电路板安装架设于所述第二限位槽中。
  15. 如权利要求14所述的清洁装置,其特征在于,所述电路板安装架上开设有与所述第一开孔相对应的第二开孔,且第二开孔与所述第一腔体相连通,所述第一传感器依次通过所述第一开孔和所述第二开孔置于所述第一腔体中。
  16. 如权利要求14所述的清洁装置,其特征在于,所述电路板安装架包括围设于所述第一侧板外侧的第二侧板,所述第二侧板和所述第一侧板远离所述底板一端连接;其中,所述第二过滤件包括相互间隔设置的上夹板、下夹板以及设于所述上夹板和所述下夹板之间的过滤纸,所述过滤纸环设与所述电机的周侧,所述过滤纸的进风端与所述电机的出风端连通。
  17. 如权利要求16所述的清洁装置,其特征在于,还包括外壳及尘杯组件,所述外壳包覆所述电机、所述检测组件和所述第二过滤组件;所述尘杯 组件包括尘杯,所述第一过滤组件设于所述尘杯的开口处。
  18. 如权利要求10所述的清洁装置,其特征在于,还包括用于固定所述电机的电机安装架,所述电机安装架包括设于所述电机的进风端的底板以及设于所述底板上的第一侧板,所述电机安装于所述底板上,所述第一侧板环设于所述电机的周侧。
  19. 如权利要求18所述的清洁装置,其特征在于,所述底板上开设有通孔,所述通孔连通所述第一过滤组件的出风端和实施电机的进风端;其中,所述减震垫设于所述底板和所述第一侧板的过渡处、且围设于所述电机的进风端的周侧。
  20. 如权利要求9所述的清洁装置,其特征在于,还包括与所述检测组件电性连接的报警装置,所述报警装置包括显示部件和/或声音警报器。
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