CN203417551U - Household air filter with filter cartridge replacement reminding function - Google Patents
Household air filter with filter cartridge replacement reminding function Download PDFInfo
- Publication number
- CN203417551U CN203417551U CN201320562697.2U CN201320562697U CN203417551U CN 203417551 U CN203417551 U CN 203417551U CN 201320562697 U CN201320562697 U CN 201320562697U CN 203417551 U CN203417551 U CN 203417551U
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- filter
- filter cartridge
- air inlet
- air
- cover plate
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Abstract
The utility model discloses a household air filter with a filter cartridge replacement reminding function. The household air filter comprises a cover plate with an air outlet, a shell with an air inlet, a cylindrical filter cartridge, a differential pressure transducer, a singlechip and an indicator light, wherein the cylindrical filter cartridge is located in the shell and connected to the cover plate; the differential pressure transducer is used for measuring a pressure difference between the air outlet and the air inlet; the indicator light is used for reminding the replacement of the filter cartridge; the shell and the cover plate are fixed through a bolt; the singlechip is connected to the differential pressure transducer and the indicator lamp respectively; the cylindrical filter cartridge comprises an inner filtering layer and an outer filtering layer; the inner filtering layer is an active carbon layer; the outer filtering layer is a micro-pore filtering paper layer which is processed by resin and provided with a pore diameter in a range of 0.1-1mm. By arranging the filter cartridge as the cylindrical filter cartridge, the contact area between the air and the filter cartridge is enlarged, and the filtering effect of the air is improved; meanwhile, the pressure difference between the air outlet and the air inlet can be measured conveniently; when the pressure difference is greater than a certain numerical value, the singlechip controls the indicator light to flash and remind the workers of replacing the filter cartridge in time.
Description
Technical field
The utility model relates to air cleaner field, is specifically related to a kind of home-use air cleaner with filter element replacing prompting function.
Background technology
Along with Chinese society development, people's living standard is improved significantly.Yet, after living standard is brought up to a certain degree, people will be no longer simply focus on improving living standard, but by attention diversion in cultural life and self health, therefore, people put into the association area healthy with self by more human and material resources and financial resources.Due to the haze weather that all parts of the country occur in recent years, make people more and more pay close attention to air quality at one's side, the value of concern PM2.5.So for self is healthy, suck air more of fine quality, increasing people have selected air cleaner to filter the air in certain space.In the cylindrical shell of existing air cleaner, be mostly all provided with screen pack, filter core or filter paper, by filter core or filter paper, air filtered.But in these existing air cleaners, the contact-making surface of gas and screen pack, filter core or filter paper is less, poor filtration effect, filtering accuracy are low; And when cannot accurately judge this more renew cartridge.
Summary of the invention
For above-mentioned prior art, the purpose of this utility model is how to provide a kind of filter effect good and have a home-use air cleaner of prompting function, for solve existing Filtering Efficiency of Air Filters poor, when cannot accurately judge this more renew cartridge deficiency.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of home-use air cleaner with filter element replacing prompting function, it is characterized in that, comprise be provided with gas outlet cover plate, be provided with the housing of air inlet, in housing and and cover plate connecting cylinder shape filter core and for measuring the differential pressure pickup, single-chip microcomputer of pressure differential between gas port and air inlet and for the indicator lamp of prompting changing filter core; Between described housing and cover plate, through bolt, fix, described single-chip microcomputer is connected with indicator lamp with differential pressure pickup respectively, described cylindrical filter core comprises inside and outside two filter layers, internal layer filter course is active carbon layer, and outer filter layer is aperture through the resin treatment micropore filter paper layer within the scope of 0.1mm～1mm.
The single or double of described micropore filter paper layer is coated with acrylic acid permeable coating.
Described differential pressure pickup, comprises the mutually equipped shell with installing hole and with the upper cover of reinforcement, between shell and upper cover, forms gas cavity, gas cavity is divided into the pressure chamber being connected with two air inlet pipe respectively by PCB circuit board; The middle part of described shell is provided with the frame groove that PCB circuit board is installed, and is provided with the annular groove of placing upper cover reinforcement and being full of epoxy resin in frame groove; In described two air inlet pipe, one is thick air inlet pipe, and another root is thin air inlet pipe.
Compared with prior art, the beneficial effects of the utility model show:
One, filter core is made as to cylindrical filter core, has expanded the contact area of air and filter core, improved the filter effect to air;
Two, cylindrical filter core used adopts inside and outside two filter layers, air first filters out airborne peculiar smell and part dust by active carbon layer, air after preliminary filtration is by the micropore filter paper layer through resin treatment, because the filter paper porous after resin treatment, loose, foldable, hydrophobicity are good, so good filtration effect, filtering accuracy are high;
Three, the utility model can conveniently be measured the pressure reduction between gas outlet and air inlet, and when pressure reduction is greater than certain numerical value, Single-chip Controlling indicator lamp flicker is carried and joined staff's renew cartridge more in time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Reference numeral is: 1 is that cover plate, 2 is that gas outlet, 3 is that housing, 4 is that air inlet, 5 is that cylindrical filter core, 5-1 are that micropore filter paper layer, 5-2 are that active carbon layer, 5-3 are acrylic acid permeable coating.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further
A kind of home-use air cleaner with filter element replacing prompting function, it is characterized in that, comprise be provided with gas outlet cover plate, be provided with the housing of air inlet, in housing and and cover plate connecting cylinder shape filter core and for measuring the differential pressure pickup, single-chip microcomputer of pressure differential between gas port and air inlet and for the indicator lamp of prompting changing filter core; Between described housing and cover plate, through bolt, fix, described single-chip microcomputer is connected with indicator lamp with differential pressure pickup respectively, described cylindrical filter core comprises inside and outside two filter layers, internal layer filter course is active carbon layer, and outer filter layer is aperture through the resin treatment micropore filter paper layer within the scope of 0.1mm～1mm.
Wherein air inlet can evenly arrange along housing end face a plurality ofly, improves the efficiency that gas enters inlet plenum.On cover plate 1, be connected with filter core, why described filter core pref. cylindrical filter core, select cylindrical filter core, and its object is to expand the contact area of air and cylindrical filter core 5, improves the filter efficiency of cylindrical filter core 5.The bottom of this cylindrical filter core is spherical shape, rather than the flat shape generally adopting, and object is to increase the contact area of cylindrical filter core 5 and air.Described cylindrical filter core is divided into two the cavity between cover plate and housing, i.e. inlet plenum and discharge chamber, and inlet plenum is communicated with air inlet, and discharge chamber is communicated with gas outlet.In order further to improve the contact area of air and cylindrical filter core 5, cylindrical filter core can be provided with pleated structure, and described pleated structure evenly arranges along the external cylindrical surface of cylindrical filter core.For convenient dust or the foreign material of removing in filter, except cover plate and the housing that can connect by demounting bolt fast, also cinder-discharging port can be set on housing, this cinder-discharging port can be arranged on the end face or the face of cylinder of housing, and particular location is determined according to the installation situation of filter.In filter when normal operation,, this cinder-discharging port is normally closed, while only having the dust known in filter or foreign material, opens cinder-discharging port valve, and dust or foreign material are discharged from cinder-discharging port.Air inlet 4 ends also can arrange section, after air is inhaled into air inlet 4 under suction function, under the effect of section, do composite rotating motion, can move along filter axis on the one hand, on the other hand also can be along filter circumferential movement, the air rotatablely moving collides filter interior and falls in filter in filter.
During this home-use air cleaner work, outdoor air enters inlet plenum by air inlet, and filters by cylindrical filter core, and air after filtering enters discharge chamber and finally by gas outlet, entered indoor.By the pleated structure on cylindrical filter core and external cylindrical surface thereof, expanded the contact area of air and cylindrical filter core, improved filter filter efficiency, strengthened the filter effect of filter; Filter core adopts inside and outside double-layer structure, and active carbon layer filters out airborne peculiar smell and part dust, and micropore filter paper layer is further filtered air, thereby the filter effect of filter has strengthened, filter efficiency has improved.
Claims (3)
1. the home-use air cleaner with filter element replacing prompting function, it is characterized in that, comprise be provided with gas outlet cover plate, be provided with the housing of air inlet, in housing and and cover plate connecting cylinder shape filter core and for measuring the differential pressure pickup, single-chip microcomputer of pressure differential between gas port and air inlet and for the indicator lamp of prompting changing filter core; Between described housing and cover plate, through bolt, fix, described single-chip microcomputer is connected with indicator lamp with differential pressure pickup respectively, described cylindrical filter core comprises inside and outside two filter layers, internal layer filter course is active carbon layer, and outer filter layer is aperture through the resin treatment micropore filter paper layer within the scope of 0.1mm～1mm.
2. the home-use air cleaner with filter element replacing prompting function according to claim 1, is characterized in that, the single or double of described micropore filter paper layer is coated with acrylic acid permeable coating.
3. the home-use air cleaner with filter element replacing prompting function according to claim 1, it is characterized in that, described differential pressure pickup, comprise the mutually equipped shell with installing hole and with the upper cover of reinforcement, between shell and upper cover, form gas cavity, gas cavity is divided into the pressure chamber being connected with two air inlet pipe respectively by PCB circuit board; The middle part of described shell is provided with the frame groove that PCB circuit board is installed, and is provided with the annular groove of placing upper cover reinforcement and being full of epoxy resin in frame groove; In described two air inlet pipe, one is thick air inlet pipe, and another root is thin air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562697.2U CN203417551U (en) | 2013-09-11 | 2013-09-11 | Household air filter with filter cartridge replacement reminding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562697.2U CN203417551U (en) | 2013-09-11 | 2013-09-11 | Household air filter with filter cartridge replacement reminding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203417551U true CN203417551U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562697.2U Expired - Fee Related CN203417551U (en) | 2013-09-11 | 2013-09-11 | Household air filter with filter cartridge replacement reminding function |
Country Status (1)
| Country | Link |
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| CN (1) | CN203417551U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266324A (en) * | 2014-10-15 | 2015-01-07 | 北京雷克利达机电股份有限公司 | System and method capable of reminding user to replace fresh air haze removal machine HEPA (High Efficiency Particulate Air) filter |
| CN104353303A (en) * | 2014-10-27 | 2015-02-18 | 张广舜 | Lateral-suction and closed gas filtering method and device with external motor |
| CN105148642A (en) * | 2015-08-25 | 2015-12-16 | 太仓旺泰净化设备有限公司 | Activated carbon dust remover |
| CN105180341A (en) * | 2015-10-23 | 2015-12-23 | 广州市雷子克电气机械有限公司 | Air supply device |
| CN106457114A (en) * | 2014-03-12 | 2017-02-22 | 罗瑞真 | Air purifying device |
| CN106762767A (en) * | 2016-12-27 | 2017-05-31 | 顺德职业技术学院 | The energy-saving control method of fan |
| TWI607191B (en) * | 2014-08-15 | 2017-12-01 | 台達電子工業股份有限公司 | Ventilation equipment having dirty filter detecting function and detecting method of the ventilation equipment |
| CN108283842A (en) * | 2017-10-26 | 2018-07-17 | 中科美菱低温科技股份有限公司 | A kind of new multistage composite air filtering structure |
-
2013
- 2013-09-11 CN CN201320562697.2U patent/CN203417551U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106457114A (en) * | 2014-03-12 | 2017-02-22 | 罗瑞真 | Air purifying device |
| CN106457114B (en) * | 2014-03-12 | 2019-05-14 | 罗瑞真 | Air cleaning unit |
| TWI607191B (en) * | 2014-08-15 | 2017-12-01 | 台達電子工業股份有限公司 | Ventilation equipment having dirty filter detecting function and detecting method of the ventilation equipment |
| CN104266324A (en) * | 2014-10-15 | 2015-01-07 | 北京雷克利达机电股份有限公司 | System and method capable of reminding user to replace fresh air haze removal machine HEPA (High Efficiency Particulate Air) filter |
| CN104353303A (en) * | 2014-10-27 | 2015-02-18 | 张广舜 | Lateral-suction and closed gas filtering method and device with external motor |
| CN105148642A (en) * | 2015-08-25 | 2015-12-16 | 太仓旺泰净化设备有限公司 | Activated carbon dust remover |
| CN105180341A (en) * | 2015-10-23 | 2015-12-23 | 广州市雷子克电气机械有限公司 | Air supply device |
| CN106762767A (en) * | 2016-12-27 | 2017-05-31 | 顺德职业技术学院 | The energy-saving control method of fan |
| CN108283842A (en) * | 2017-10-26 | 2018-07-17 | 中科美菱低温科技股份有限公司 | A kind of new multistage composite air filtering structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |