CN207324357U - filter screen life detecting device and air purifier - Google Patents

filter screen life detecting device and air purifier Download PDF

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Publication number
CN207324357U
CN207324357U CN201721297012.0U CN201721297012U CN207324357U CN 207324357 U CN207324357 U CN 207324357U CN 201721297012 U CN201721297012 U CN 201721297012U CN 207324357 U CN207324357 U CN 207324357U
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China
Prior art keywords
air purifier
motor
filter screen
controlling device
air
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CN201721297012.0U
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Chinese (zh)
Inventor
陈耀刚
邹治学
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Shenzhen Kanghong Intelligent Health Technology Co ltd
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XI'AN KONGKONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of filter screen life detecting device and air purifier, wherein, a kind of filter screen life detecting device, applied to air cleaning facility, the air cleaning facility includes filter screen and motor, and the motor driving wind wheel provides the air-flow by the filter screen, including:Motor intelligent controlling device, air purifier controlling device and display device for air purifier;The utility model is by obtaining the torque compensation order amount that motor intelligent controlling device sends motor, contrasted with the filter screen saturation grade table in air purifier controlling device, in display device for air purifier, show the current saturation grade of filter screen, can more accurately show the service life of filter screen.

Description

Filter screen life detecting device and air purifier
Technical field
Air purifier technical field is the utility model is related to, more particularly to a kind of filter screen life detecting device and one kind Air purifier.
Background technology
As social and economic level persistently advances, people increasingly improve the demand of quality of life, to residing for itself Living environment increasingly pay close attention to.Recent years, the air pollution episode of emergence have greatly promoted the public net to air Demand and understanding, the sales volume and sales volume of air purifier for changing device are also high all the way.Air purifier strainer is using process In, pollutant is constantly adsorbed, after absorption pollutant reaches saturation, the efficiency of air purifier, which will substantially reduce, does not have purification The effect of air, therefore, it is necessary to remind user to replace strainer in time after the service life of strainer expires.But currently on the market The setting in the strainer service life of air purifier is one time range of setting, it is impossible to according to the operating condition of actual air clarifier To detect the service condition of strainer.
Utility model content
The main purpose of the utility model is to provide a kind of filter screen life detecting device, it is intended to solves control strainer at present Service life exactly determined problem.
To achieve the above object, the utility model proposes a kind of filter screen life detecting device, applied to air purification Equipment, air cleaning facility include filter screen and motor, and motor driving wind wheel provides the air-flow by filter screen, including:Motor Intelligent controlling device, air purifier controlling device and display device for air purifier;
Motor intelligent controlling device is connected with motor, and providing moment of torsion to motor makes motor keep constant speed, and receives motor Rotary speed data, if the rotary speed data received changes, sends torque compensation order, motor is kept constant speed;
Air purifier controlling device, obtains the torque compensation order amount that motor intelligent controlling device is sent, from filter screen The filter screen saturation grade to match with current torque compensation order amount is obtained in saturation grade table;Filter screen saturation grade table is The mapping table for the torque compensation order amount scope that filter screen saturation grade is sent with motor intelligent controlling device;
Display device for air purifier, shows the obtained filter screen saturation grade in air purifier controlling device.
Alternatively, motor intelligent controlling device power input connection AC power, motor intelligent controlling device it is defeated Entering end to be connected with air purifier controlling device, the output terminal of motor intelligent controlling device connects motor as motor lines all the way, Another way connects air purifier controlling device as signal wire.
Alternatively, when motor maintains fixed rotating speed within a predetermined period of time, air purifier controlling device obtains motor intelligence The torque compensation order amount that energy control device is sent.
Alternatively, air purifier alarm set is further included, torque compensation amount threshold is equipped with air purifier controlling device Value, it is empty if the torque compensation order amount that motor intelligent controlling device is sent within the predetermined time exceeds torque compensation amount threshold value Gas purifier control device sends air purifier alarm set prompting order.
The utility model also proposes a kind of air purifier, including a kind of filter screen life detecting device.A kind of filter screen Life detecting device, applied to air cleaning facility, air cleaning facility includes filter screen and motor, and motor driving wind wheel provides By the air-flow of filter screen, including:Motor intelligent controlling device, air purifier controlling device and air purifier display dress Put;
Motor intelligent controlling device is connected with motor, and providing moment of torsion to motor makes motor keep constant speed, and receives motor Rotary speed data, if the rotary speed data received changes, sends torque compensation order, motor is kept constant speed;
Air purifier controlling device, obtains the torque compensation order amount that motor intelligent controlling device is sent, from filter screen The filter screen saturation grade to match with current torque compensation order amount is obtained in saturation grade table;Filter screen saturation grade table is The mapping table for the torque compensation order amount scope that filter screen saturation grade is sent with motor intelligent controlling device;
Display device for air purifier, shows the obtained filter screen saturation grade in air purifier controlling device.
Alternatively, a kind of air purifier, it includes sequentially connected rear shell, center, front housing;
Rear shell is equipped with volute wind wheel component;
Center crosses air port equipped with corresponding with volute wind wheel component, crosses at air port and is provided with filter screen;
Front housing is equipped with the air inlet connected with filter screen.
Alternatively, air purifier controlling device is arranged on center close to the side of rear shell, display device for air purifier and Air purifier alarm set is arranged on the upper end of center.
Alternatively, motor intelligent controlling device is arranged on motor close to the side of center.
Alternatively, front housing is arch, and the upper and lower ends of front housing are connected with center, the gap between the middle part of front housing and center Form air inlet.
Alternatively, volute wind wheel component includes the volute arranged on rear shell, and volute is internally formed the peace for installing wind wheel Space is filled, is equipped with the air outlet connected with exhaust passage formed with exhaust passage, rear shell on volute.
Technical solutions of the utility model provide driving torque to motor, receive at the same time by using motor intelligent controlling device Collect the rotary speed data of motor, if the rotary speed data received changes, send torque compensation order, motor is kept constant speed;Into And ensure constant by the air draught amount of filter screen.Increase with time time of filter screen, the ash adsorbed on filter screen Dirt is also more, and for the windage being subject to by the air draught of filter screen with regard to bigger, the output torque loss of motor will be bigger, Cause the rotating speed of motor to reduce, constant by the air draught amount of filter screen in order to ensure, motor intelligent controlling device sends torsion Square compensation order, makes the rotating speed of motor increase to constant rotational speed, the windage of filter screen is bigger, and motor intelligent controlling device sends torsion Square compensation order is more, therefore the torque compensation order amount that motor intelligent controlling device is sent can reflect working as filter screen Preceding use state.Air purifier controlling device is after the torque compensation order number that motor intelligent controlling device is sent is received Contrasted with default filter screen saturation grade table in it, and comparing result shown by display device for air purifier, In order to which user understands the current use state of filter screen.Due to display device for air purifier it is shown that current filter screen Saturation grade, so that also more accurate based on the filter screen service life that the saturation grade is determined.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is a kind of structure diagram of filter screen life detecting device of the utility model;
Fig. 2 is a kind of structure diagram of air purifier of the utility model;
Fig. 3 is a kind of stereogram of air purifier of the utility model;
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component, motion conditions etc., such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally;Can mechanically connect, also may be used Be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements Or the interaction relationship of two elements, unless otherwise restricted clearly.For the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, and it cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present with reference to there is conflicting or can not realize when, also not in the utility model It is required that protection domain within.
The utility model proposes a kind of filter screen life detecting device, applied to air cleaning facility, air cleaning facility Including filter screen 302 and motor 503, motor 503 drives wind wheel 502 to provide the air-flow by filter screen 302, including:Motor intelligence Can control device 1, air purifier controlling device 2 and display device for air purifier 3;
As shown in Figure 1, motor intelligent controlling device 1 is connected with motor 503, providing moment of torsion to motor 503 protects motor 503 Constant speed is held, and receives the rotary speed data of motor 503, if the rotary speed data received changes, torque compensation order is sent, makes horse Constant speed is kept up to 503;
Air purifier controlling device 2, obtains the torque compensation order amount that motor intelligent controlling device 1 is sent, from filtering The filter screen saturation grade to match with current torque compensation order amount is obtained in net saturation grade table;Filter screen saturation grade table The mapping table of the torque compensation order amount scope sent for filter screen saturation grade and motor intelligent controlling device;
Display device for air purifier 3, shows the obtained filter screen saturation grade in air purifier controlling device 2.
Specifically, motor intelligent controlling device 1 receives 503 gear of the motor letter that air purifier controlling device 2 is sent Number, corresponding motor gear revolution counter inputs corresponding moment of torsion to motor 503, while receives the current rotary speed data of motor 503, And matched with motor gear revolution counter, if the current rotating speed of motor 503 and the rotating speed in corresponding motor gear revolution counter Mismatch, torque compensation order is sent to motor 503,503 rotating speed of motor is reached corresponding rotating speed and keeps constant;Motor shelves Position revolution counter is the mapping table of motor gear and motor rotary speed.
Air purifier is constant, it is necessary to make the rotating speed of motor 503 by the air draught amount of filter screen 302 in order to ensure Keep constant, but filter screen 302 can adsorb more and more dusts in use.Since dust blocks mesh, cause to pass through The air windage increase of filter screen, the resistance increase that wind wheel 502 is subject at this time, the output torque loss increase of motor 503, makes horse Rotating speed up to 503 reduces.So in order to keep the invariablenes turning speed of motor 503, it is necessary to increase the moment of torsion of motor 503.Therefore, horse Torque compensation order is sent to motor 503 up to intelligent controlling device 1, keeps constant the rotating speed of motor 503.
As the dust accumulated on filter screen 302 is more and more, the loss of torque of motor 503 is increasing, motor intelligence Control device 1 sends motor 503 torque compensation order can be more and more frequent, therefore, is sent using motor intelligent controlling device 1 Torque compensation order amount can more intuitively obtain the use state of filter screen 302.In order to make the use of filter screen 302 State is corresponding with its service life, filter screen saturation grade table is prestored in motor intelligent controlling device 1, using filter screen Saturation grade table, can send motor 503 torque compensation order amount according to motor intelligent controlling device 1, obtain filter screen phase The service life answered.
Meanwhile the grade residing at present of filter screen 302 is shown in display device for air purifier 3, in order to user Understand the current use state of filter screen 302.
The power input connection AC power of motor intelligent controlling device 1, the input terminal of motor intelligent controlling device 1 It is connected with air purifier controlling device 2, the output terminal of motor intelligent controlling device 1 connects motor 503 as motor lines all the way, Another way connects air purifier controlling device 2 as signal wire.
When needing to increase the moment of torsion of motor 503, motor intelligent controlling device 1 sends torque compensation order, increases to horse Up to 503 input current, windage being overcome to increase the torque of motor 503, motor 503 is kept constant speed, guarantee passes through filtering The air draught amount of net 302 is constant.
When motor maintains fixed rotating speed within a predetermined period of time, air purifier controlling device 2 obtains motor intelligent control The torque compensation order amount that device is sent.Predetermined time period is set, the torque compensation order amount of acquisition is more accurately reacted The current state of filter screen 302, when compared with filter screen saturation grade table, can more accurately draw the saturation of filter screen 302 Grade.
Air purifier alarm set 4 is further included, torque compensation amount threshold value is equipped with air purifier controlling device 2, if The torque compensation order amount that motor intelligent controlling device 1 is sent within the predetermined time exceeds torque compensation amount threshold value, and air is net Change device control device 2 and prompting order is sent to air purifier alarm set 4.When motor intelligent controlling device 1 is when predetermined When the interior torque compensation order amount sent exceeds torque compensation amount threshold value, illustrate that filter screen 302 has had reached the shape of saturation State, air purifier alarm set 4 remind user to replace filter screen 302, in order to avoid the waste of the energy, air purifier control Device 2 can stop the operation of motor 503 while prompting order is sent.
Wherein, motor intelligent controlling device 1, air purifier controlling device 2, display device for air purifier 3 and air The program being equipped with clarifier alarm set 4 is all existing.
The utility model also proposes a kind of air purifier, including a kind of filter screen life detecting device, the filter screen longevity The concrete structure of detection device is ordered with reference to above-described embodiment, since this air purifier employs the whole of above-mentioned all embodiments Technical solution, therefore all beneficial effects at least caused by the technical solution with above-described embodiment, no longer go to live in the household of one's in-laws on getting married one by one herein State.
As shown in Fig. 2, left side shown in Fig. 2 is front side, right side is rear side, a kind of air purifier, including successively The rear shell 50 of connection, center 30, front housing 10;
Rear shell 50 is equipped with volute wind wheel component;Center 30 crosses air port 303 equipped with corresponding with volute wind wheel component, crosses wind Mouth 303 goes out to be provided with filter screen 302;The front side of center 30 is equipped with mounting groove 301 corresponding with crossing air port 303, is filled in mounting groove 301 There is filter screen 302;Front housing 10 is equipped with the air inlet 101 connected with filter screen 302.
Rear shell 50, center 30, front housing 10 can use screw to connect, and can also use the connection mode fastened.This company Features simple structure is connect, easy to assemble.
Air purifier controlling device 2 is arranged on center 30, display device for air purifier 3 and air purifier alarm set 4 are arranged on the upper end of center 30, easy to the currently used state for observing air purifier.Air purifier controlling device 2, Display device for air purifier 3 and air purifier alarm set 4 are arranged on center 30, easy to connecting line arrangement and The dismounting of air purifier.
Motor intelligent controlling device 1 is arranged on motor 503, easy to the installation of motor intelligent controlling device 1, is also convenient for motor intelligence The connection of energy control device 1 and motor.As shown in Fig. 2, air purifier controlling device 2 is located at center 30 close to rear shell 50 Side, motor intelligent controlling device 1 are arranged on rear shell 50 close to the side of center 30, motor intelligent controlling device 1 and air purification Space length between device control device 2 is closer, convenient connecting line arrangement between the two.
As shown in figure 3, front housing 10 is arch, the upper and lower ends of front housing 10 are connected with center 30, and the middle part of front housing 10 is with Gap between frame 30 forms air inlet 101.Air inlet 101 is formed using the gap between front housing 10 and center 30, on the one hand Make the structure of front housing 10 simple, easy to process, the fluency of the appearance of another convenient increase air purifier.
Volute wind wheel component includes the volute 501 arranged on rear shell 50, and volute 501 has been internally formed for installing wind wheel 502 Installation space 5012, be equipped with to go out with what exhaust passage 5011 connected formed with exhaust passage 5011, rear shell 50 on volute 501 Air port 504.Grid 5041 is equipped with air outlet 504, sets grid 5041 to prevent debris from entering whirlpool by air outlet 504 Shell is assorted in passage 2011.
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of filter screen life detecting device, applied to air cleaning facility, the air cleaning facility include filter screen and Motor, the motor driving wind wheel provide the air-flow by the filter screen, it is characterised in that:Including:Motor intelligent control fills Put, air purifier controlling device and display device for air purifier;
The motor intelligent controlling device is connected with the motor, and providing moment of torsion to the motor makes the motor keep constant speed, And the rotary speed data of the motor is received, if the rotary speed data received changes, torque compensation order is sent, is made described Motor keeps constant speed;
Air purifier controlling device, obtains the torque compensation order amount that the motor intelligent controlling device is sent, from filter screen The filter screen saturation grade to match with current torque compensation order amount is obtained in saturation grade table;The filter screen saturation grade The mapping table for the torque compensation order amount scope that table sends for filter screen saturation grade with the motor intelligent controlling device;
Display device for air purifier, shows the obtained filter screen saturation grade in the air purifier controlling device.
A kind of 2. filter screen life detecting device according to claim 1, it is characterised in that:The motor intelligent controlling device Power input connection AC power, the input terminal of the motor intelligent controlling device and the air purifier controlling device Connection, the output terminal of the motor intelligent controlling device connect the motor as motor lines all the way, and another way is as signal wire Connect the air purifier controlling device.
A kind of 3. filter screen life detecting device according to claim 1, it is characterised in that:Motor within a predetermined period of time When maintaining fixed rotating speed, the air purifier controlling device obtains the torque compensation life that the motor intelligent controlling device is sent The amount of order.
A kind of 4. filter screen life detecting device according to claim 3, it is characterised in that:Air purifier is further included to carry Awake device, the air purifier controlling device is interior to be equipped with torque compensation amount threshold value, if the motor intelligent controlling device is pre- The torque compensation order amount sent in the fixed time exceeds torque compensation amount threshold value, and the air purifier controlling device is to described Air purifier alarm set sends prompting order.
A kind of 5. air purifier, it is characterised in that:Including a kind of filter screen described in any claim in claim 1-4 Life detecting device.
A kind of 6. air purifier according to claim 5, it is characterised in that:Including sequentially connected rear shell, center, preceding Shell;
The rear shell is equipped with volute wind wheel component;
The center crosses air port equipped with corresponding with the volute wind wheel component, and described cross at air port is provided with filter screen;
The front housing is equipped with the air inlet connected with the filter screen.
A kind of 7. air purifier according to claim 6, it is characterised in that:The air purifier controlling device is arranged on The center is arranged on close to the side of the rear shell, the display device for air purifier and the air purifier alarm set The upper end of the center.
A kind of 8. air purifier according to claim 6, it is characterised in that:The motor intelligent controlling device is arranged on institute Motor is stated close to the side of center.
A kind of 9. air purifier according to claim 6, it is characterised in that:The front housing is arch, the front housing Upper and lower ends are connected with the center, and the gap between the middle part of the front housing and the center forms the air inlet.
A kind of 10. air purifier according to claim 6, it is characterised in that:The volute wind wheel component includes being arranged on The volute of the rear shell, the volute are internally formed the installation space for installing the wind wheel, on the volute formed with Exhaust passage, the rear shell are equipped with the air outlet connected with the exhaust passage.
CN201721297012.0U 2017-10-09 2017-10-09 filter screen life detecting device and air purifier Active CN207324357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721297012.0U CN207324357U (en) 2017-10-09 2017-10-09 filter screen life detecting device and air purifier

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Application Number Priority Date Filing Date Title
CN201721297012.0U CN207324357U (en) 2017-10-09 2017-10-09 filter screen life detecting device and air purifier

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966808A (en) * 2019-03-27 2019-07-05 北京小米移动软件有限公司 Filter check method and device, readable storage medium storing program for executing, electronic equipment
CN111750510A (en) * 2019-03-29 2020-10-09 松下电器研究开发(苏州)有限公司 Control device and control method for air conditioner
CN114370682A (en) * 2021-12-07 2022-04-19 北京小米移动软件有限公司 Filtering equipment, assembly, filtering assembly service life detection method and environment adjusting equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966808A (en) * 2019-03-27 2019-07-05 北京小米移动软件有限公司 Filter check method and device, readable storage medium storing program for executing, electronic equipment
CN109966808B (en) * 2019-03-27 2021-07-23 北京小米移动软件有限公司 Filter element detection method and device, readable storage medium and electronic equipment
CN111750510A (en) * 2019-03-29 2020-10-09 松下电器研究开发(苏州)有限公司 Control device and control method for air conditioner
CN111750510B (en) * 2019-03-29 2022-06-14 松下电器研究开发(苏州)有限公司 Control device and control method for air conditioner
CN114370682A (en) * 2021-12-07 2022-04-19 北京小米移动软件有限公司 Filtering equipment, assembly, filtering assembly service life detection method and environment adjusting equipment

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230807

Address after: 518000 No. 1 Workshop, Yongxin Industrial Plant, 89 Hengping Road, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Kanghong Intelligent Health Technology Co.,Ltd.

Address before: No. 11205-B11, Unit 1, Building 15, Taihua Jinmao International, No. 16 Fenghui South Road, High tech Zone, Xi'an City, Shaanxi Province, 710000

Patentee before: HEALTHLEAD Corp.,Ltd.

TR01 Transfer of patent right