CN101313834A - Filtering core obstruction alarm device of filter - Google Patents
Filtering core obstruction alarm device of filter Download PDFInfo
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- CN101313834A CN101313834A CNA2007100575051A CN200710057505A CN101313834A CN 101313834 A CN101313834 A CN 101313834A CN A2007100575051 A CNA2007100575051 A CN A2007100575051A CN 200710057505 A CN200710057505 A CN 200710057505A CN 101313834 A CN101313834 A CN 101313834A
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- filter
- alarm device
- core
- filtering
- filtering core
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Abstract
The invention discloses a filtering core blockage alarm device of a dust collecting barrel filtering device. The filtering device comprises a barrel body, an upper cover and a filter. The filter comprises a filtering bowl, a filtering core and a filter support. The filter also comprises the filtering core blockage alarm device arranged on the filter support. The filtering core blockage alarm device comprises a buzzer arranged on the filter support, and a micro-switch which is fixed on the bottom of the filter support and is connected with the buzzer. When a filtering core is blocked, due to a negative pressure generated in a cavity of the filtering core, the filtering core moves upwardly to press the micro-switch to turn on and make the buzzer give an alarm to remind a manipulator of cleaning the filtering core, thereby preventing the problem of a reduced filtering cleaning capability caused by filtering core blockage.
Description
Technical field
The invention belongs to a kind of vacuum cleaner filtering equipment, be specifically related to a kind of filtration core obstruction alarm device that has served as the filter of reporting to the police when filter core stops up.
Background technology
Dust catcher is a kind of household electrical appliance of indoor cleaning health, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.In general, dust catcher mainly comprises aspirator and suction line, with motor and blower fan is that the aspirator that dominant shape becomes is arranged in the body, suction line comprises suction nozzle and air intake duct, and the air entry of the oriented under shed of suction nozzle and telescoping tube and flexible pipe by air intake duct communicate with the air inlet of body inner blower.In dust catcher when running,, the impeller of motor drives blower fan rotates at a high speed, and the air of dust catcher inside is discharged, and forms instantaneous vacuum in the inside of dust catcher, and forms a quite high Negative Pressure Difference between the ambient atmosphere.Under the effect of this Negative Pressure Difference, near the dust the suction nozzle sucks in the dust bucket in the body by air entry together with air.The air that contains dust after filtering, is discharged to the dust catcher outside again from the gas outlet in the dust bucket of body.Like this, just reach the effect of dust out, clean floor.The suction rate of dust catcher is divided into a plurality of retainings of operating control, adapts to the scope of operation of different cleaning objects such as ground, bed surface, carpet, sofa, corner, so that aspirate dust everywhere better.
Profile classification according to dust catcher can be divided into vertical type dust collector, horizontal dust collector and portable dust collector etc.
For dust catcher, no matter be vertical type dust collector or horizontal dust collector or portable dust collector, all be provided with the filter of assembling dust and foreign matter at inner of dust catcher body, inner dust of assembling of filter and foreign matter need regularly to remove, to guarantee the normal use of dust catcher.
Fig. 1 is the schematic perspective view of prior art dust collecting bucket of dust catcher; Fig. 2 is the schematic diagram of prior art filter.
As shown in Figure 1, 2, filter comprises staving 1; Loam cake 2 and filter 3 three are partly.Filter 3 comprises filter mantle 4; Cross filter core 5 and filter mounting 6; Cross filter core 5 and form, be installed in the filter mantle 4 by filter paper and support set and become one, and be installed in the bottom of filter mounting 6, adopt with filter mounting 6 to flexibly connect.Be provided with handle 11 at staving 1, be used for picking and placeing of dust catcher body inner filtration device, be provided with air inlet 7 and air outlet 8 in a side of staving 1, air inlet 7 is positioned at the top of staving 1, and air outlet 8 is positioned at the bottom of staving 1.Staving 1 inner chamber is divided into two parts up and down by demarcation strip 9, and top was provided with filter core 5, and the lower part is provided with wind pipe 10, crosses filter core 5 and is communicated with wind pipe 10, and wind pipe 10 is communicated with air outlet 8.
During dust catcher work, near the suction nozzle dust together with air by air intake duct and in air inlet is drawn into filter, swirling eddy is formed at the top at filter, the part dust drops to the outside of the air outlet 8 of staving bottom along the slit, edge of demarcation strip 9 in the process of air-flow rotation, the air of inspiration simultaneously enters wind pipe 10 after filtering through filter 3, in the outside that is discharged to dust catcher through the air outlet 8 of staving 1.
But there is following shortcoming in the filter core structure of the vacuum cleaner filtering equipment of prior art:
In the prior art, cross filter core 5 and be by filter paper is positive and negative and be folded to form most W shape wrinkle grooves, be curled into tubular after, two ends perfusion plastic cement forms support set and forms.Result in blockage owing to cross filter core 5 frequent absorption dusts, need often cleaning, whether the operator can only clean filter core by estimation, can't accurately grasp filter core and stop up, and caused to filter and cleaned ability drop.
Summary of the invention
The present invention provides a kind of filtration core obstruction alarm device that has served as the filter of reporting to the police when filter core stops up for solving the technical problem that exists in the above-mentioned technology.
The technical scheme that the present invention takes for the technical problem that exists in the above-mentioned technology of solution is:
The filtration core obstruction alarm device of a kind of filter of the present invention, filter comprises staving; Loam cake and filter; Filter comprises filter mantle; Cross filter core and filter mounting; Also comprise the filtration core obstruction alarm device that is arranged on the filter mounting; Filter core obstruction alarm device, comprise the buzzer that is arranged on the filter mounting; Be fixed on the filter mounting bottom, connect little switch that touches of buzzer; Be provided with external diameter and cross the annular gasket that the filter core external diameter equates at mistake filter core top; The formation brace table is protruded in the little relatively position of the switch of touching of annular gasket external diameter; Being fixed with upwards little relatively on the brace table touches the position of the switch and can touch the contact stud that the switch room disconnecting is touched with little; Between annular gasket and filter mounting, be provided with ring spring.
Advantage and good effect that the present invention has are: the filtration core obstruction alarm device of filter of the present invention, when crossing filter core and stop up, produce negative pressure owing to filter the in-core chamber, and made the filter core displacement that makes progress, oppress little switch that touches and open, make buzzer warning.Reminding the operator to cross filter core should clean, and prevents to stop up the problem of filtering the cleaning ability drop that causes because of crossing filter core.
Description of drawings
Fig. 1 is the schematic perspective view of prior art dust collecting bucket of dust catcher;
Fig. 2 is the schematic diagram of prior art filter;
Fig. 3 is a decomposing schematic representation of crossing filter core of the present invention.
Main symbol description:
1, staving 2, loam cake
3, filter 4, filter mantle
5, cross filter core 6, filter mounting
7, air inlet 8, air outlet
9, demarcation strip 10, wind pipe
11, dust bucket handle 12, buzzer
13, little switch 14, annular gasket of touching
15, contact stud 16, ring spring
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Fig. 3 is a decomposing schematic representation of crossing filter core of the present invention.In the accompanying drawings, identical parts use identical symbol.
As shown in Figure 3, a kind of filtration core obstruction alarm device of filter, filter comprises staving 1; Loam cake 2 and filter 3; Filter 3 comprises filter mantle 4; Cross filter core 5 and filter mounting 6; Also comprise the filtration core obstruction alarm device that is arranged on the filter mounting 6; Filter core obstruction alarm device, comprise the buzzer 12 that is arranged on the filter mounting; Be fixed on filter mounting 6 bottoms, connect little switch 13 that touches of buzzer; Be provided with external diameter and cross the annular gasket 14 that the filter core external diameter equates at mistake filter core top; The formation brace table is protruded in the little relatively position of the switch of touching of annular gasket external diameter; Being fixed with upwards little relatively on the brace table touches the position of the switch and can touch the contact stud 15 that the switch room disconnecting is touched with little; Between annular gasket and filter mounting, be provided with ring spring 16.
According to above situation, when the air that has dust that sucks from air inlet 7 is drawn in the dust bucket, swirling eddy is formed at the top at dust bucket, the part dust drops to staving 1 bottom along the slit, edge of demarcation strip 9 in the process of air-flow rotation, the air of preliminary purification is drawn into filter 3 inside, by filter mantle 4 with after crossing the filter core final purification, discharge by air outlet 8.Because crossing filter core 3 inner chambers is to be communicated with wind pipe 10, wind pipe 10 is communicated with air outlet 8.During suction air, when crossing filter core 3 normal filtration, cross filter core 3 interior exocoels and do not produce pressure reduction, cross filter core 3 and be not subjected to displacement, when having served as filter core 3 obstructions, cross filter core 3 inner chambers and produce negative pressure, made filter core 3 to top offset, and oppressed little switch 13 that touches and open, buzzer 12 is reported to the police, reminding the operator to cross filter core 3 should clean, and prevents that dust catcher from stopping up the problem of filtering the cleaning ability drop that causes because of crossing filter core 3.
Claims (4)
1, a kind of filtration core obstruction alarm device of filter, filter comprises staving; Loam cake and filter; Filter comprises filter mantle; Cross filter core and filter mounting; It is characterized in that: also comprise the filtration core obstruction alarm device that is arranged on the filter mounting.
2, the filtration core obstruction alarm device of filter according to claim 1 is characterized in that: filter core obstruction alarm device, comprise the buzzer that is arranged on the filter mounting; Be fixed on the filter mounting bottom, connect little switch that touches of buzzer.
3, the filtration core obstruction alarm device of filter according to claim 2 is characterized in that: be provided with external diameter and cross the annular gasket that the filter core external diameter equates at mistake filter core top; The formation brace table is protruded in the little relatively position of the switch of touching of annular gasket external diameter; Being fixed with upwards little relatively on the brace table touches the position of the switch and can touch the contact stud that the switch room disconnecting is touched with little.
4, the filtration core obstruction alarm device of filter according to claim 2 is characterized in that: be provided with ring spring between annular gasket and filter mounting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007100575051A CN101313834A (en) | 2007-05-31 | 2007-05-31 | Filtering core obstruction alarm device of filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007100575051A CN101313834A (en) | 2007-05-31 | 2007-05-31 | Filtering core obstruction alarm device of filter |
Publications (1)
Publication Number | Publication Date |
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CN101313834A true CN101313834A (en) | 2008-12-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNA2007100575051A Pending CN101313834A (en) | 2007-05-31 | 2007-05-31 | Filtering core obstruction alarm device of filter |
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CN (1) | CN101313834A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374083A (en) * | 2011-11-26 | 2012-03-14 | 蚌埠金威滤清器有限公司 | Modularized fuel oil alarm coarse filter |
CN112842146A (en) * | 2021-01-14 | 2021-05-28 | 四川青骆商贸有限公司 | Energy-saving domestic robot equipment of sweeping floor with prevent blockking up function |
CN113479733A (en) * | 2021-07-29 | 2021-10-08 | 宋清 | A high-efficient comprehensive detector for elevator detects |
-
2007
- 2007-05-31 CN CNA2007100575051A patent/CN101313834A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374083A (en) * | 2011-11-26 | 2012-03-14 | 蚌埠金威滤清器有限公司 | Modularized fuel oil alarm coarse filter |
CN112842146A (en) * | 2021-01-14 | 2021-05-28 | 四川青骆商贸有限公司 | Energy-saving domestic robot equipment of sweeping floor with prevent blockking up function |
CN112842146B (en) * | 2021-01-14 | 2022-09-30 | 北京亿顺通科技有限公司 | Energy-saving domestic robot equipment of sweeping floor with prevent blockking up function |
CN113479733A (en) * | 2021-07-29 | 2021-10-08 | 宋清 | A high-efficient comprehensive detector for elevator detects |
CN113479733B (en) * | 2021-07-29 | 2023-08-29 | 宋清 | A high-efficient comprehensive testing appearance for elevator detects |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081203 |