CN107560015B - Humidification and filtration device, cleaning method thereof and fresh air system - Google Patents
Humidification and filtration device, cleaning method thereof and fresh air system Download PDFInfo
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- CN107560015B CN107560015B CN201710693593.8A CN201710693593A CN107560015B CN 107560015 B CN107560015 B CN 107560015B CN 201710693593 A CN201710693593 A CN 201710693593A CN 107560015 B CN107560015 B CN 107560015B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 184
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 238000005213 imbibition Methods 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 11
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- 239000000126 substance Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000004887 air purification Methods 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
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Abstract
The invention discloses a humidifying and filtering device, a cleaning method thereof and a fresh air system, relates to the technical field of air purification, and aims to reduce the times of replacing a filter screen and a wet film in the humidifying and filtering device on the basis of realizing automatic humidification and cleaning. The humidifying and filtering device comprises a bottom groove body and a conveying unit, wherein a flexible filtering unit is arranged above a notch of the bottom groove body, liquid is contained in the bottom groove body, and the conveying unit is used for conveying the flexible filtering unit into the bottom groove body and taking the flexible filtering unit out of the bottom groove body; and a liquid absorption cleaning unit is also arranged in the bottom groove body, and a liquid absorption port of the liquid absorption cleaning unit is opposite to the windward side of the flexible filtering unit. The cleaning method of the humidifying and filtering device comprises the humidifying and filtering device provided by the technical scheme. The humidifying and filtering device provided by the invention is used in a fresh air system.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a humidifying and filtering device, a cleaning method thereof and a fresh air system.
Background
The fresh air system is an indoor ventilation exhaust device, belongs to an open circulating system, can enable people to breath fresh, clean and high-quality air indoors, and can be applied to machine rooms for mounting various electric devices to reduce indoor temperature.
The existing fresh air system generally comprises a multi-stage filter, the filter is divided into a coarse filter, a medium filter, a high-medium filter, a sub-high efficiency filter and the like according to the grade, and the filter materials adopted by the filter mainly comprise non-woven fabrics, nylon, glass fibers and the like. In order to ensure that the introduced indoor fresh air has proper humidity under the condition that the outdoor air is dry, wet films are further arranged in some fresh air systems, so that the humidity of the outdoor dry air is increased and the temperature of the outdoor dry air is reduced after the outdoor dry air is humidified by the wet films, and the effects of increasing the humidity of the indoor air and reducing the indoor temperature are achieved.
However, the filter in the existing fresh air system has high requirements, is generally disposable, and has no automatic cleaning measures, so that the filter needs to be replaced at regular time when the dust accumulation is excessive, and the labor intensity and the cost are increased; meanwhile, the wet membrane material used by the wet membrane in the existing fresh air system is a hydrophilic material manufactured by taking plant fibers as a base material, and in the process of using the wet membrane for a long time, the plant fibers can mildew due to the fact that the hydrophilic material manufactured by taking the plant fibers as the base material is kept under a high-humidity condition for a long time, so that the wet membrane can only be used once and needs to be replaced at regular time.
Disclosure of Invention
The invention aims to provide a humidifying and filtering device, a cleaning method thereof and a fresh air system, which are used for reducing the times of replacing a filter and a wet film in the humidifying and filtering device on the basis of realizing automatic humidifying and cleaning.
In order to achieve the above purpose, the invention provides the following technical scheme:
a humidification and filtration device comprises a bottom groove body and a conveying unit; a flexible filtering unit which is resistant to cleaning and mildew is arranged above the notch of the bottom groove body, and liquid for humidifying and/or cleaning the flexible filtering unit is contained in the bottom groove body; the conveying unit is used for conveying the flexible filtering unit into the bottom groove body and taking the flexible filtering unit out of the bottom groove body; and a liquid suction cleaning unit is further arranged in the bottom groove body, and a liquid suction port of the liquid suction cleaning unit is opposite to the windward side of the flexible filtering unit.
Compared with the prior art, the humidifying and filtering device provided by the invention comprises a bottom groove body and a conveying unit, wherein the flexible filtering unit is arranged above the notch of the bottom groove body, and the bottom groove body contains liquid for humidifying and/or cleaning the flexible filtering unit, so that when air needs to be humidified, the flexible filtering unit is conveyed into the bottom groove body through the conveying unit, and the flexible filtering unit is immersed into the liquid contained in the bottom groove body; at the moment, the flexible filtering unit can absorb liquid, and after the liquid is absorbed for a period of time, the flexible filtering unit can be taken out from the bottom groove body by using the conveying unit, so that when air passes through the flexible filtering unit, the flexible filtering unit not only can filter dust in the air, but also can humidify the air by using the absorbed liquid, namely the flexible filtering unit not only serves as a filter element, but also serves as a wet film; when the flexible filtering unit needs to be cleaned, the flexible filtering unit can be sent into the bottom groove body by the conveying unit, so that the flexible filtering unit is immersed in the liquid contained in the bottom groove body, then the liquid absorption cleaning unit is used for absorbing the liquid on the leeward side of the flexible filtering unit to the windward side of the flexible filtering unit, so that the liquid on the leeward side of the flexible filter unit passes through the flexible filter unit at a certain impact speed by utilizing the suction force generated by the liquid suction cleaning unit, enters the windward side of the flexible filtering unit and is discharged through the imbibition cleaning unit to achieve the cleaning effect on the flexible filtering unit, and when the conveying unit takes the flexible filtering unit out of the bottom groove body after the cleaning of the flexible filtering unit is finished, the flexible filtering unit also absorbs partial liquid, after the flexible filtering unit is cleaned, the liquid can be used for humidifying air; that is to say, the humidifying and filtering device provided by the invention can realize self-cleaning and self-humidifying at the same time, so that the humidifying and the cleaning are combined into one flow.
Therefore, the flexible filtering unit used in the humidifying and filtering device provided by the invention not only can be used as a filter element, but also can be used as a wet membrane. The material used by the flexible filtering unit has the functions of cleaning resistance and mildew resistance, has good flexibility, can quickly recover to the original shape after cleaning is finished, and cannot be agglomerated, so that the humidifying and filtering device provided by the invention has dual functions of a wet membrane and a filter element, and the problem of frequent replacement of a filter and the wet membrane of the traditional fresh air equipment is solved.
The invention also provides a cleaning method of the humidifying and filtering device, which is applied to the humidifying and filtering device provided by the technical scheme and comprises the following steps:
a washing phase comprising: the conveying unit conveys the flexible filtering unit into the bottom groove body, so that the flexible filtering unit is immersed in the liquid contained in the bottom groove body; the liquid suction cleaning unit sucks liquid on the leeward side of the flexible filtering unit to the windward side of the flexible filtering unit, so that the liquid cleans the flexible filtering unit;
a take-out phase comprising: and the conveying unit takes out the cleaned flexible filtering unit from the bottom tank body.
Compared with the prior art, the beneficial effects of the cleaning method of the humidifying and filtering device provided by the invention are the same as those of the humidifying and filtering device provided by the technical scheme, and are not repeated herein.
The invention also provides a fresh air system which comprises the humidification and filtration device provided by the technical scheme.
Compared with the prior art, the beneficial effects of the fresh air system provided by the invention are the same as those of the humidification and filtration device provided by the technical scheme, and are not repeated herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a humidification and filtration device applied to a fresh air system according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the relationship of the track assembly, flexible filter element and metal reinforcing ribs in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the division of the flexible filter unit into regions according to an embodiment of the present invention;
reference numerals:
100-a bottom groove body and 101-a connecting platform;
110-bottom turntable, 120-liquid suction cleaning unit;
121-a liquid suction pump and 122-a horn-shaped water suction pipe;
130-moving guide rails, 200-top frame body;
210-top turntable, 300-flexible filtration unit;
300A-a first wash zone, 300B-a second wash zone;
300C-a third wash zone, 300D-a fourth wash zone;
300E-fifth wash zone, 301-bottom fixation zone;
302-top fixation area, 300P 1-first guide fit;
300P 2-second guide engagement, 300Z-filter body section;
310-metal reinforcing ribs, 321-first guide rods;
322-a second guide rod, 330-a liquid squeezing unit;
400-protective shell, 410-insect-proof net;
411-spraying unit, 420-blower;
430-other level filtering component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a humidification filter device, which includes a bottom tank 100 and a transmission unit; a flexible filtering unit 300 which is resistant to cleaning and mildew is arranged above the notch of the bottom groove body 100, and liquid for cleaning and/or washing the flexible filtering unit 300 is contained in the bottom groove body 100, wherein the liquid is water generally; the conveying unit is used for conveying the flexible filtering unit 300 into the bottom groove body 100 and taking the flexible filtering unit 300 out of the bottom groove body 100; the bottom tank body 100 is also provided with a liquid absorbing and cleaning unit 120, and a liquid absorbing port of the liquid absorbing and cleaning unit 120 is opposite to the windward side of the flexible filtering unit 300.
The humidifying and filtering device provided by the embodiment of the invention can realize the functions of air filtering, automatic humidifying and automatic cleaning. Therefore, the humidifying and filtering device provided by the embodiment of the invention has a filtering mode, a humidifying mode and a cleaning mode when in work.
The operation of the humidifying and filtering device provided by the embodiment of the invention is described below with reference to the accompanying drawings.
Firstly, a filtering mode: the air passes through the flexible filter unit 300, and fine pores in the flexible filter unit 300 allow the air to pass through while blocking dust particles in the air, thereby achieving air filtration.
II, a humidifying mode: the method specifically comprises an immersion stage, a taking-out stage and a humidifying stage; wherein the content of the first and second substances,
and (3) immersion stage: feeding the flexible filtering unit 300 into the bottom tank 100 through the transfer unit such that the flexible filtering unit 300 is immersed in the liquid contained in the bottom tank 100;
a taking-out stage: after the flexible filter unit 300 absorbs liquid for a period of time, the transfer unit takes the flexible filter unit 300 out of the bottom tank 100; the specific time for absorbing the liquid can be determined according to actual conditions.
In the humidification stage, when the air passes through the flexible filter unit 300, the liquid absorbed by the flexible filter unit 300 humidifies the air, so that the air humidification is realized.
Thirdly, a cleaning mode: comprising a cleaning phase and a removal phase.
The cleaning stage comprises: the conveying unit feeds the flexible filtering unit 300 into the bottom tank 100 so that the flexible filtering unit 300 is immersed in the liquid contained in the bottom tank 100;
the liquid suction cleaning unit 120 sucks the liquid on the leeward side of the flexible filtering unit 300 to the windward side of the flexible filtering unit 300, so that the liquid cleans the flexible filtering unit 300;
a taking-out stage: the transfer unit takes the washed flexible filter unit 300 out of the bottom tank 100.
The structure and the working process of the humidifying and filtering device can be seen as follows: the humidifying and filtering device comprises a bottom groove body 100 and a conveying unit, wherein a flexible filtering unit 300 is arranged above a notch of the bottom groove body 100, and liquid for humidifying and/or cleaning the flexible filtering unit 300 is contained in the bottom groove body 100, so that when air needs to be humidified, the flexible filtering unit 300 is conveyed into the bottom groove body 100 through the conveying unit, and the flexible filtering unit 300 is immersed in the liquid contained in the bottom groove body 100; at this time, the flexible filtering unit 300 can absorb the liquid, and after absorbing the liquid for a period of time, the flexible filtering unit 300 can be taken out from the bottom tank 100 by using the conveying unit, so that when the air passes through the flexible filtering unit 300, the flexible filtering unit 300 not only can filter the dust in the air, but also can humidify the air by using the absorbed liquid, that is, at this time, the flexible filtering unit 300 not only serves as a filter element, but also serves as a wet film. When the flexible filtering unit 300 needs to be cleaned, the conveying unit can be used for conveying the flexible filtering unit 300 into the bottom tank body 100, so that the flexible filtering unit 300 is immersed in the liquid contained in the bottom tank body 100, then the liquid on the leeward side of the flexible filtering unit 300 is sucked to the windward side of the flexible filtering unit 300 by the liquid sucking and cleaning unit 120, so that the liquid cleans the flexible filtering unit 300 by using the suction force generated by the liquid sucking and cleaning unit 120, and after the cleaning is finished, when the conveying unit takes the flexible filtering unit 300 out of the bottom tank body 100, the flexible filtering unit 300 also absorbs part of the liquid, so that the air can be humidified by using the part of the liquid after the cleaning of the flexible filtering unit 300 is finished; that is to say, the humidifying and filtering device provided by the invention can realize self-cleaning and self-humidifying at the same time, so that the humidifying and the cleaning are combined into one flow.
It can be seen that, in the humidification and filtration device provided in the embodiment of the present invention, the flexible filtration unit 300 used can be used not only as a filter element, but also as a wet membrane. The material used by the flexible filtering unit 300 has the functions of cleaning resistance and mildew resistance, has good flexibility, can quickly recover to the original shape after cleaning is finished, and cannot be agglomerated, so that the humidifying and filtering device provided by the embodiment of the invention has dual functions of a wet membrane and a filter element, and the problem of frequent replacement of the filter and the wet membrane of the traditional fresh air equipment is solved.
For example, the flexible filtering unit may be a polyurethane filtering unit with a porous structure, and a common polyurethane filtering unit is generally made of a polyurethane sponge, and has good mildew-proof and washing-resistant functions, and the polyurethane material has good elasticity, and can be quickly restored to an original shape after washing is completed, and the problem of agglomeration is not caused, so that the humidifying and filtering device provided by the embodiment of the invention can reduce the replacement frequency of the flexible filtering unit used as a wet membrane and a filter element.
In addition, in the above embodiment, after the flexible filter unit 300 is cleaned or humidified, the flexible filter unit 300 can better adsorb dust after absorbing moisture, so that the filtering effect of the humidifying and filtering device is better.
Specifically, as shown in fig. 1, in the above embodiment, a liquid inlet with a water inlet valve is arranged at the top of the bottom tank 100, and a liquid outlet with a water outlet valve is arranged at the bottom of the bottom tank; the suction cleaning unit 120 includes a suction water pump 121 and a trumpet-shaped suction pipe 122 connected to an inlet of the suction water pump 121; the horn-shaped water suction pipe 122 is arranged on the movable guide rail 130, the large-opening end of the horn-shaped water suction pipe 122 is a liquid suction opening, the large-opening end of the horn-shaped water suction pipe 122 can be formed into various shapes such as a square and a rectangle, the side length of the square can be set to be 20cm by taking the square as an example, the small-opening end of the horn-shaped water suction pipe 122 is connected with the inlet of the liquid suction pump 121, and the outlet of the liquid suction pump 121 is detachably connected with the liquid outlet of the bottom groove body 100. Because the large-opening end of the horn-shaped water suction pipe 122 is a liquid suction opening, the small-opening end of the horn-shaped water suction pipe 122 is connected with the inlet of the liquid suction pump 121, and because the pipe diameter from the large-opening end of the horn-shaped water suction pipe 122 to the small-opening end of the horn-shaped water suction pipe 122 is gradually reduced, during liquid suction, the liquid flows from the large-opening end of the horn-shaped water suction pipe 122 to the small-opening end of the horn-shaped water suction pipe 122, and the larger the pipe diameter of the horn-shaped water suction pipe 122 is, the slower the speed of the liquid flow is. That is, the speed of the liquid passing through the flexible filter unit 300 is relatively slow in the liquid suction process, so that the liquid has sufficient time to contact the flexible filter unit 300, thereby better cleaning the flexible filter unit.
In addition, since the horn-shaped water suction pipe 122 is arranged on the movable guide rail 130, when the flexible filter unit 300 is cleaned, the movable guide rail 130 can be used for controlling the horn-shaped water suction pipe 122 to move towards the windward side of the flexible filter unit, so that different parts of the flexible filter unit 300 can be effectively cleaned; in this process, the trumpet-shaped suction pipe 122 moves in the horizontal direction.
In addition, a liquid inlet with a water inlet valve is arranged at the top of the bottom tank 100, a liquid outlet with a water outlet valve is arranged at the bottom of the bottom tank 100, and an outlet of the liquid suction water pump 121 is detachably connected with the liquid outlet of the bottom tank 100, so that when the flexible filtering unit 300 is cleaned in the initial stage, the outlet of the liquid suction water pump 121 can be connected with the liquid outlet of the bottom tank 100 to discharge the cleaned waste liquid when the flexible filtering unit 300 is cleaned in the initial stage, and then the water inlet valve is opened to allow the clean liquid to enter the bottom tank 100 through the liquid inlet. If the flexible filtering unit 300 is cleaned at the last time, the flexible filtering unit 300 is cleaned more cleanly, and at this time, the outlet of the liquid absorbing water pump 121 and the liquid outlet of the bottom tank 100 can be detached, and the liquid outlet is sealed by the water outlet valve, so that the flexible filtering unit 300 is soaked in the liquid to complete the last cleaning, which can also reduce unnecessary waste of the liquid.
Further, as shown in fig. 1, the humidifying and filtering device further includes a top frame 200, the conveying unit includes a bottom rotating disk 110, a top rotating disk 210 and a power unit (not shown in fig. 1), the bottom rotating disk 110 and the top rotating disk 210 are preferably the same in size so as to be coordinated during the rotation process, and the power unit is generally a power device such as a motor.
The bottom rotating disc 110 is arranged in the bottom groove body 100, the imbibition cleaning unit 120 is positioned at one side of the bottom rotating disc 110, the bottom rotating disc 110 and the imbibition cleaning unit 120 are ensured to be positioned below the liquid level, the top rotating disc 210 is arranged on the top frame body 200, the upper end part of the flexible filtering unit 300 is wound on the top rotating disc 210, and the lower end part of the flexible filtering unit 300 is wound on the bottom rotating disc 110; the pivot of top carousel 210 and the pivot of bottom carousel 110 pass through belt power and connect, the pivot of top carousel 210 or bottom carousel 110 is connected with the power pack, so that when the power pack provides power, top carousel 210 is under the drive of power pack, drive bottom carousel 110 through the belt and rotate, or bottom carousel 110 is under the drive of power pack, it rotates to drive top carousel 210 through the belt, thereby when making the transfer unit send flexible filter unit 300 into bottom cell body 100, top carousel 210 rotates and releases winding flexible filter unit 300 gradually, bottom cell body 100 rotates and rolls up flexible filter unit 300 gradually, and when the transfer unit takes out flexible filter unit 300 from bottom cell body 100, bottom cell body 100 rotates and releases winding flexible filter unit 300 gradually, top carousel 210 rotates and rolls up flexible filter unit 300 gradually. Considering that the bottom turntable 110 is located in the bottom tank 100, the bottom tank 100 contains liquid, and therefore, generally speaking, the power unit is in power connection with the rotating shaft of the top turntable 210.
As for the case where the conveying unit feeds the flexible filter unit 300 into the bottom tank 100 and the conveying unit takes the flexible filter unit 300 out of the bottom tank 100, the rotation directions of the top turntable 210 and the bottom turntable 110 are related to the winding directions of the flexible filter unit 300 on the top turntable 210 and the bottom turntable 110. In any case, the rotation directions of the top turntable 210 and the bottom turntable 110 when the conveying unit feeds the flexible filter unit 300 into the bottom tank 100 are opposite to the rotation directions of the top turntable 210 and the bottom turntable 110 when the conveying unit takes the flexible filter unit 300 out of the bottom tank 100.
For example: when the flexible filter unit is wound around the top turntable 210 and the bottom turntable 110 in the manner shown in fig. 1, and the conveying unit feeds the flexible filter unit 300 into the bottom tank 100, both the top turntable 210 and the bottom turntable 110 rotate counterclockwise; and when the transfer unit takes the flexible filter unit 300 out of the bottom tank 100, both the top turntable 210 and the bottom turntable 110 rotate clockwise.
In addition, in order to sufficiently clean the flexible filter unit 300, the flexible filter unit 300 may be divided into a plurality of cleaning regions to clean the flexible filter unit in regions, and the number of the cleaning regions may be set according to the filtering area of the flexible filter unit, that is, the larger the filtering area is, the larger the number of the cleaning regions is. As shown in fig. 3, in the height direction of the flexible filter unit, the flexible filter unit 300 includes a bottom fixing region 301, a top fixing region 302, and a plurality of washing regions located at the bottom fixing region 301 and the top fixing region 302, and each washing region is arranged in a direction approaching or departing from the slot of the bottom tank 100, that is, each washing region is arranged in a direction from the bottom fixing region to the top fixing region. Wherein the bottom fixing area 301 is wound on the bottom turntable 110, the top fixing area 302 is wound on the top turntable 210, and the number of the cleaning areas is set according to the requirement in the actual cleaning process.
FIG. 3 shows a zonal division of a flexible filter unit 300; besides the bottom fixing area 301 and the top fixing area 302, the cleaning device further includes five cleaning areas, namely a first cleaning area 300A, a second cleaning area 300B, a third cleaning area 300C, a fourth cleaning area 300D and a fifth cleaning area 300E. As can be seen from the arrangement of the regions in fig. 3, the bottom fixing region 301, the first cleaning region 300A, the second cleaning region 300B, the third cleaning region 300C, the fourth cleaning region 300D, the fifth cleaning region 300E, and the top fixing region 302 are arranged in order from the lower side to the upper side.
As shown in fig. 1 to 3, assuming that a stage of cleaning the flexible filter unit 300 is defined as a cleaning stage and each cleaning region requires independent cleaning, the cleaning stage is divided into a plurality of cleaning cycles as many as the number of the cleaning regions, and the plurality of cleaning cycles correspond to the plurality of cleaning regions one-to-one, and each cleaning cycle completes cleaning of the corresponding cleaning region; meanwhile, each cleaning cycle includes a feeding period during which the bottom turntable 110 and the top turntable 210 rotate simultaneously, so that the current cleaning region corresponding to the current cleaning cycle moves into the bottom tank 100, and the liquid contained in the bottom tank 100 submerges the current cleaning region; in the period of liquid suction cleaning, the liquid suction pump 121 is started, so that the horn-shaped water suction pipe 122 generates suction force, and liquid on the lee side of the current cleaning area passes through the current cleaning area under the action of the suction force, reaches the windward side of the current cleaning area, and is then discharged through the horn-shaped water suction pipe 122.
In addition, in order to achieve a good cleaning effect, the water suction port of the trumpet-shaped water suction pipe 122 and the windward side of the flexible filter unit 300 are sealed as much as possible. Considering that when the horn-shaped suction pipe 122 generates suction force, if the position is fixed, the liquid is less and less affected by the suction force with the position as the center, and the smaller the suction force, the smaller the cleaning capability of the liquid to the current cleaning area, therefore, the moving guide 130 can be activated at the same time of activating the suction water pump 121, so that the horn-shaped suction pipe 122 is controlled to move in the horizontal direction while generating suction force, so as to clean different parts of the current cleaning area. Further, in the current cleaning cycle, assuming that the moving guide 130 controls the horn-shaped suction pipe 122 to move in the horizontal direction toward the bottom turntable 110, the moving guide 130 controls the horn-shaped suction pipe 122 to move in the horizontal direction toward the opposite direction of the bottom turntable 110 in the next cleaning cycle.
It should be noted that, in each cleaning cycle of the above embodiment, the cleaning area corresponding to the previous cleaning cycle should be rolled up by the bottom turntable 110, and the arc length of the rotation of the bottom turntable 110 should correspond to the height length of the cleaning area corresponding to the previous cleaning cycle. For example: the length of the washing area corresponding to each washing cycle in the height direction is 20cm, and in each washing cycle, the bottom turntable 110 should rotate for an arc length of 20cm, so that the washing area corresponding to the previous washing cycle is completely rolled up by the bottom turntable 110.
Considering that the flexible filtering unit 300 is made of a softer material, a gap between the filtering material and the fresh air equipment needs to be sealed, and the flexible filtering unit 300 has a shaking problem in the moving process; as shown in fig. 2, the humidifying and filtering device provided by the above embodiment further includes a guide rail assembly for guiding the flexible filtering unit 300; the guide rail component can be in an omega shape, the opening of the guide rail component is slightly narrower than the thickness of the filtering material, and two ends of the flexible filtering unit 300 are clamped in the supporting guide rails; the rail assembly is disposed between the bottom channel 100 and the top shelf 200 such that the top shelf 200 and the bottom groove 100 support the rail assembly. When the conveying unit conveys the flexible filtering unit 300 into the bottom groove body 100 and takes the flexible filtering unit 300 out of the bottom groove body 100, the guide rail assembly can guide the movement of the flexible filtering unit 300, so that the flexible filtering unit 300 is prevented from shaking and shifting in the moving process while sealing is completed.
Specifically, the guide rail assembly includes a first guide rod 321 and a second guide rod 322; a first guide rod 321 and a second guide rod 322 are arranged between the bottom groove body 100 and the top frame body 200, the first guide rod 321 is provided with a first guide groove, and the surface of the second guide rod 322 corresponding to the first guide groove is provided with a second guide groove; the guide direction of the first guide groove is the same as that of the second guide groove, and the first guide groove and the second guide groove may be in an omega shape, a U-shaped groove, or a special-shaped groove, which is not limited herein. In addition, the first guide rod 321 and the second guide rod 322 may also be formed by two metal plates, and a gap is left between the two metal plates to serve as a corresponding guide groove.
Accordingly, as shown in fig. 2, the flexible filter unit 300 includes a first guide fitting portion 300P1, a second guide fitting portion 300P2, and a filter body portion 300Z between the first guide fitting portion 300P1 and the second guide fitting portion 300P2 in terms of width direction.
The flexible filtering unit 300 comprises a windward side and a leeward side, and particularly comprises a windward side and a leeward side which are oppositely arranged with respect to the filtering body part 300Z; the first guide engagement portion 300P1 is located in the first guide groove and the second guide engagement portion 300P2 is located in the second guide groove. Considering that the flexible filter unit is made of flexible material, the width of the first guide groove may be limited to be smaller than the thickness of the first guide mating part 300P1 to ensure that the first guide mating part 300P1 is clamped into the first guide groove, so that the first guide mating part 300P1 seals the first guide groove, and dust in the filtered air is prevented from entering the first guide groove and entering the covered surface of the filter body part 300Z, or blocking the first guide groove, so that the first guide mating part 300P1 cannot move along the first guide groove; likewise, the width of the second guide groove may be defined to be smaller than the thickness of the second guide fitting portion 300P 2.
Moreover, since the opening width of the first guide groove is smaller than the opening thickness of the first guide mating part 300P1, it can be ensured that the first guide mating part 300P1 can be stably fixed in the first guide groove, and the width of the second guide groove is smaller than the thickness of the second guide mating part 300P2, so that the second guide mating part is stably fixed in the second guide groove, which is equivalent to using the first guide rod 321 and the second guide rod 322 as the outer frame of the flexible filter unit 300 to shape the flexible filter unit 300.
In addition, when filtering air, the pressure ratio of the windward side of the flexible filter unit 300 is large, the pressure ratio of the leeward side of the flexible filter unit 300 is small, and the flexible filter unit 300 is soft and is easily deformed when filtering air. In order to overcome the problem that the flexible filter unit 300 is easily deformed, as shown in fig. 2, a metal reinforcing rib 310 is disposed between the first guide rod 321 and the second guide rod 322, and the metal reinforcing rib 310 contacts with the leeward side of the filter body 300Z, so that the pressure ratio of the windward side of the flexible filter unit 300 is higher, and when the pressure ratio of the leeward side of the flexible filter unit 300 is lower, the metal reinforcing rib 310 supports and shapes the leeward side of the flexible filter unit 300 to prevent the flexible filter unit 300 from being deformed.
As shown in fig. 2, the metal reinforcing ribs 310 are formed in a grid pattern. The metal strip can be spliced by a plurality of metal strips.
In consideration of the good flexibility of the flexible filtering unit 300, please continue to refer to fig. 1, the above embodiment may further include a liquid squeezing unit 330, the liquid squeezing unit 330 is close to the notch of the bottom tank 100, and the liquid squeezing unit 330 is configured to control the liquid content of the flexible filtering unit 300, so that after the flexible filtering unit 300 sucks excessive liquid in the bottom tank 100, a part of the liquid absorbed by the flexible filtering unit 300 can be squeezed out through the liquid squeezing unit, so as to control the liquid content of the flexible filtering unit 300, and avoid a gravity load or an increased filter windage caused by the absorbed excessive liquid to the flexible filtering unit when the flexible filtering unit 300 absorbs excessive liquid.
In addition, because the liquid squeezing unit 330 is close to the notch of the bottom tank 100, the liquid squeezed by the liquid squeezing unit of the flexible filtering unit 300 can directly fall into the bottom tank 100, and unnecessary waste is avoided.
Specifically, the structure of the liquid squeezing unit 330 is various as long as the liquid squeezing function of the flexible filtering unit 300 can be realized. For example: the liquid squeezing unit comprises a first roller and a second roller, the axial directions of the first roller and the second roller are arranged in a straight line in parallel, a liquid squeezing gap is formed between the outer cylinder surface of the first roller and the outer cylinder surface of the second roller, the width of the liquid squeezing gap is ensured to be smaller than the thickness of the flexible filtering unit 300, and the flexible filtering unit 300 penetrates through the liquid squeezing gap, so that when the conveying unit takes the flexible filtering unit 300 out of the bottom groove body 100, the liquid contained in the flexible filtering unit 300 is controlled through the liquid squeezing gap between the first roller and the second roller; the width of the squeezing gap is determined according to the liquid content requirement of the flexible filtering unit 300, for example: the width of the squeeze unit 330 is relatively small if the liquid content requirement of the flexible filter unit 300 is low, and the width of the squeeze unit 330 is relatively large if the liquid content requirement of the flexible filter unit 300 is high.
It should be noted that, the flexible filter unit 300 passes through the liquid squeezing gap, which is equivalent to the first roller and the second roller clamping the flexible filter unit 300, in view of the fact that the conveying unit feeds the flexible filter unit 300 into the bottom tank 100 and then takes out the flexible filter unit 300 from the bottom tank 100 during humidification or cleaning, the flexible filter unit 300 moves relative to the first roller and the second roller during feeding the flexible filter unit 300 into the bottom tank 100 or taking out the flexible filter unit 300 from the bottom tank 100, and because the width of the liquid squeezing gap is smaller than the thickness of the flexible filter unit 300, the first roller and the second roller may have a certain resistance to the movement of the flexible filter unit 300 when the flexible filter unit 300 moves. In order to reduce the resistance, the first roller and the second roller are provided with rollers, so that when the flexible filter unit 300 moves, the friction force applied to the first roller and the second roller is converted into the driving force for rotating the rollers, thereby achieving the effect of reducing the resistance.
It should be noted that, the humidification filter device provided in the above embodiment further includes a spraying unit 411, and the spraying unit 411 is configured to spray to the windward side of the flexible filter unit 300, so as to realize spraying and humidification of the flexible filter unit 300 and supplement moisture, so as to reduce the number of times that the flexible filter unit 300 enters or exits the bottom tank 300. Moreover, since the filtering effect of the flexible filtering unit is significantly improved when the liquid adheres to the flexible filtering unit, when the filtering effect needs to be properly improved, the spraying unit 411 can be used for spraying the liquid to the windward side of the flexible filtering unit 300; meanwhile, when the flexible filter unit 300 needs to be humidified, the flexible filter unit 300 can be atomized and humidified by the atomizing unit 411, and atomized air is attached to the filter unit to supplement moisture evaporated by the filter unit. In addition, the number of the spraying units 411 is determined according to the filtering area, and the larger the filtering area is, the larger the number of the spraying units 411 is.
Referring to fig. 1, an embodiment of the present invention further provides a method for cleaning a humidification filter device, where the humidification filter device provided in the foregoing technical solution is applied to the method for cleaning the humidification filter device, and the method for cleaning the humidification filter device includes:
step one, a cleaning stage: the cleaning stage comprises: the transfer unit feeds the flexible filtering unit 300 into the bottom tank so that the flexible filtering unit 300 is immersed in the liquid contained in the bottom tank 100; the liquid suction cleaning unit 120 sucks the liquid on the leeward side of the flexible filtering unit 300 to the windward side of the flexible filtering unit, so that the liquid cleans the flexible filtering unit 300;
a second step, a removal phase, comprising: the transfer unit takes the washed flexible filter unit 300 out of the bottom tank 100.
Compared with the prior art, the beneficial effects of the cleaning method of the humidifying and filtering device provided by the embodiment of the invention are the same as those of the humidifying and filtering device provided by the technical scheme, and are not repeated herein.
Specifically, as shown in fig. 1 and 2, when a liquid inlet with a water inlet valve is disposed at the top of the bottom tank 100, a liquid outlet with a water outlet valve is disposed at the bottom of the bottom tank 100; the liquid-suction washing unit 120 includes a liquid-suction pump 121 and a horn-shaped water suction pipe 122 connected to an inlet of the liquid-suction pump 121, the horn-shaped water suction pipe 122 being provided on the moving rail 130; the big mouth end of the horn-shaped water suction pipe 122 is a liquid suction port, the small mouth end of the horn-shaped water suction pipe 122 is connected with the inlet of the liquid suction pump 121, and the outlet of the liquid suction pump 121 is detachably connected with the liquid outlet of the bottom tank 100. At this time, the flexible filtering unit 300 includes a plurality of washing regions, each of which is arranged in a direction approaching or departing from the notch of the bottom tank 100; the cleaning stage comprises a plurality of cleaning cycles, the cleaning cycles correspond to the cleaning areas one by one, and each cleaning cycle finishes cleaning the corresponding cleaning area; each cleaning cycle comprises a feeding time interval and a liquid suction cleaning time interval;
the above-mentioned conveying unit sends flexible filter unit 300 into bottom cell body and includes: in each feeding period, the conveying unit feeds the corresponding washing zone into the bottom tank 100 so that the corresponding washing zone is immersed in the liquid contained in the bottom tank 100.
The above-mentioned imbibition washing unit 120 inhales the liquid of the leeward side of the flexible filter unit 300 to the windward side of the flexible filter unit 300 includes: in each imbibition cleaning time period, the imbibition water pump 121 controls the horn-shaped imbibition pipe 122 to imbibe so that liquid on the leeward side of the cleaning area corresponding to the cleaning period passes through the cleaning area corresponding to the cleaning period, enters the windward side of the cleaning area corresponding to the cleaning period, and is discharged from the horn-shaped imbibition pipe 122 through the imbibition water pump 121 to complete cleaning of the cleaning area corresponding to the cleaning period; further, when the lotion unit sucks the liquid, the movement guide 130 may control the horn-shaped water suction pipe 122 to reciprocate in the horizontal direction, or the motor may control the horn-shaped water suction pipe 122 to reciprocate. For example; in the suction cleaning period of the current cleaning cycle, the moving guide 130 controls the horn-shaped suction pipe 122 to move in one direction in the horizontal direction. In the suction cleaning period of the next cleaning cycle, the moving guide 130 controls the horn-shaped suction pipe 122 to move in the horizontal direction toward the other direction.
As shown in fig. 1, when the transfer unit includes a bottom turntable 110 and a top turntable 210, the humidifying and filtering device further includes a top frame 200; the bottom rotary table 110 is arranged in the bottom groove body 100, the imbibition cleaning unit 120 is positioned at one side of the bottom rotary table 110, the top rotary table 210 is arranged on the top frame body 200, the upper end part of the flexible filtering unit 300 is wound on the top rotary table 210, and the lower end part of the flexible filtering unit 300 is wound on the bottom rotary table 110; the rotating shaft of the top rotating disk 210 and the rotating shaft of the bottom rotating disk 110 are in power connection through a belt, and the rotating shaft of the top rotating disk 210 or the rotating shaft of the bottom rotating disk 110 is connected with a power unit.
At this time, the conveying unit sends the cleaning area corresponding to the cleaning cycle into the bottom tank body, and the conveying unit includes: the power unit is used to control the bottom rotating disc 110 to drive the top rotating disc 210 to rotate through the belt, so that the bottom rotating disc rolls up the cleaning region corresponding to the previous cleaning cycle and pulls the cleaning region corresponding to the current cleaning cycle into the bottom tank 100.
The above-mentioned conveying unit takes out the cleaned flexible filtering unit from the bottom tank 100 includes: the bottom rotary disk 110 and the top rotary disk 210 are controlled to rotate by the power unit, so that the top rotary disk 210 rolls up the flexible filter unit 300, and the bottom rotary disk 110 releases the rolled flexible filter unit 300, thereby taking out the flexible filter unit 300 from the bottom tank 100.
As shown in fig. 1, an embodiment of the present invention further provides a fresh air system, where the fresh air system includes the humidification and filtration device provided in the above technical solution.
Compared with the prior art, the beneficial effects of the fresh air system provided by the embodiment of the invention are the same as those of the humidification and filtration device provided by the technical scheme, and are not repeated herein.
Illustratively, in the fresh air system provided by the embodiment of the present invention and including the humidification filtering device provided by the above technical solution, the flexible filtering unit 300 is preferably a polyurethane filtering unit with a porous structure, and a material used in the polyurethane filtering unit is a polyurethane sponge. Considering that the filter grade requirements of the filters in the fresh air system are relatively high, the polyurethane filter units made of polyurethane sponge used in the embodiment of the invention should meet the filter standard of EU G4 grade.
The polyurethane sponge used by the polyurethane filtering unit is polyurethane sponge, specifically polyurethane sponge can be selected, and other polyurethane sponges can be used. To demonstrate that the polyurethane filter unit meets the eu G4 grade filter standard. The following tests were carried out on the filtration performance of polyurethane filter units made of polyurethane sponge, and in the actual tests, the european standard EN 779 "determination of filtration performance of general air filters for ventilation" was used, the test dust was ASHRAE dust, the rated air flow was 2.0m/s, the effective air intake surface of the sample was 400mm × 400mm, and the test results are shown in table 1:
table 1 filtration effect test results of polyurethane filtration units
As can be seen from the data in table 1: the average weight efficiency of the polyurethane filtering unit in the embodiment of the invention is more than 90 percent and meets the standard of EU G4 grade filter.
Considering that the filter element of the humidifying and filtering device is a flexible filter unit which is suitable for coarse filtration, the humidifying and filtering device is used as a coarse filter.
Specifically, as shown in fig. 1, the fresh air system provided in the embodiment of the present invention includes a protective casing 400, in which a coarse filter and other filter components 430 are disposed; the coarse filter is the above-mentioned humidification filter device, and the other-level filter assembly 430 is a medium-efficiency filter or a high-efficiency filter, or a stacked combination of medium-efficiency filters.
The inside cavity of protection casing 400 divide into bottom installation space, top installation space along the direction of height to and be located the filtration space between bottom installation space and the top installation space, the one side that the protection casing corresponds the filtration space is equipped with fly net 410, and the another side is equipped with fan 420 for the filtration space forms the wind channel confession air business turn over from fly net 410 to this direction of fan 420.
Wherein, install bottom cell body 100 in the installation space of bottom to and be located bottom carousel 110 and imbibition cleaning unit 120 in bottom cell body 100, install top support body 200 in the installation space of top, and establish top carousel 210 on top support body 200, be equipped with flexible filter unit 300 and filter assembly 430 in the air filtering space, and flexible filter unit 300 is close to insect-proof net 410 place orientation, and filter assembly 430 is close to the fan place orientation.
Furthermore, since the upper end of the flexible filter unit 300 is connected to the top rotating shaft 210 and the lower end of the flexible filter unit 300 is connected to the bottom rotating shaft 110, when the bottom rotating shaft 110 and the top rotating shaft 210 are installed, it is equivalent to fix the position of the flexible filter unit 300, and there is no need to reset other fixing members, and the filter assembly 430 needs to install a filter element. In order to install the filtering component 430 in the air filtering space and not affect the air filtering, when the bottom tank 100 is installed in the bottom installation space, the bottom tank 100 is connected with the inner wall of the protective casing 400 provided with the fan 420 through the connecting platform 101, so that not only can the bottom tank 100 be stably fixed in the protective casing 400, but also the bottom of the filtering component 430 can be fixed on the connecting platform 101, and the top of the filtering component 430 is fixed on the top frame body 200, so that the filtering component 430 can be fixed, and the space of the air filter is not occupied.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A humidification and filtration device is characterized by comprising a bottom groove body and a conveying unit; a flexible filtering unit which is resistant to cleaning and mildew is arranged above the notch of the bottom groove body, and liquid for humidifying and/or cleaning the flexible filtering unit is contained in the bottom groove body; the conveying unit is used for conveying the flexible filtering unit into the bottom groove body and taking the flexible filtering unit out of the bottom groove body; a liquid absorbing and cleaning unit is further arranged in the bottom groove body, and a liquid absorbing port of the liquid absorbing and cleaning unit is opposite to the windward side of the flexible filtering unit;
the humidifying and filtering device also comprises a liquid squeezing unit, and the liquid squeezing unit is used for controlling the liquid content of the flexible filtering unit;
the humidifying and filtering device further comprises a spraying unit, and the spraying unit is used for spraying to the windward side of the flexible filtering unit.
2. The humidification filter device of claim 1, wherein the flexible filter unit is a flexible filter unit of a porous structure.
3. The humidifying and filtering device as claimed in claim 1, wherein a liquid inlet with a water inlet valve is arranged at the top of the bottom groove body, and a liquid outlet with a water outlet valve is arranged at the bottom of the bottom groove body; imbibition cleaning unit includes the imbibition water pump and absorbs water the pipe with the horn form of the entry linkage of imbibition water pump, the horn form absorbs water the pipe and establishes on mobile rail, the horn form absorbs water the pipe the big mouth end for inhaling the liquid mouth, the horn form absorb water the pipe the little mouth end with the entry linkage of imbibition water pump, the export of imbibition water pump with the connection can be dismantled to the liquid outlet of bottom cell body.
4. The humidification filter device of claim 1, further comprising a top frame; the conveying unit comprises a bottom rotary table and a top rotary table, the bottom rotary table is arranged in the bottom groove body, the liquid absorbing and cleaning unit is positioned on one side of the bottom rotary table, the top rotary table is arranged on the top frame body, the upper end part of the flexible filtering unit is wound on the top rotary table, and the lower end part of the flexible filtering unit is wound on the bottom rotary table;
the rotating shaft of the top rotating disc is connected with the rotating shaft of the bottom rotating disc through belt power, and the rotating shaft of the top rotating disc or the rotating shaft of the bottom rotating disc is connected with the power unit.
5. The humidification filter device of claim 4, further comprising a guide rail assembly for guiding the flexible filter unit; the guide rail assembly is arranged between the bottom groove body and the top frame body; the guide rail assembly comprises a first guide rod and a second guide rod; the first guide rod and the second guide rod are arranged between the bottom groove body and the top frame body, the first guide rod is provided with a first guide groove, and the surface of the second guide rod, corresponding to the first guide groove, is provided with a second guide groove; the guiding direction of the first guide groove is the same as that of the second guide groove; wherein the content of the first and second substances,
the flexible filter unit comprises a first guide matching part, a second guide matching part and a filter body part positioned between the first guide matching part and the second guide matching part; the first guide engagement portion is located in the first guide slot and the second guide engagement portion is located in the second guide slot;
the filter body part comprises a windward side and a leeward side which are oppositely arranged; and a metal reinforcing rib is arranged between the first guide rod and the second guide rod and is in contact with the leeward side of the filtering body part.
6. A method for cleaning a humidification filter device, the method being characterized by applying the humidification filter device according to any one of claims 1 to 5, the method comprising:
a washing phase comprising: the conveying unit conveys the flexible filtering unit into the bottom groove body, so that the flexible filtering unit is immersed in the liquid contained in the bottom groove body; the liquid suction cleaning unit sucks liquid on the leeward side of the flexible filtering unit to the windward side of the flexible filtering unit, so that the liquid cleans the flexible filtering unit;
a take-out phase comprising: and the conveying unit takes out the cleaned flexible filtering unit from the bottom tank body.
7. The cleaning method of the humidifying and filtering device according to claim 6, wherein when the suction cleaning unit comprises a suction water pump and a trumpet-shaped water suction pipe connected with an inlet of the suction water pump, the trumpet-shaped water suction pipe is arranged on the moving guide rail, a large opening end of the trumpet-shaped water suction pipe is a liquid suction port, and a small opening end of the trumpet-shaped water suction pipe is connected with the inlet of the suction water pump;
the flexible filtering unit comprises a plurality of cleaning areas, and the cleaning areas are arranged along the direction close to or far away from the notch of the bottom groove body; the cleaning stage comprises a plurality of cleaning cycles, the cleaning cycles correspond to the cleaning areas one by one, and each cleaning cycle finishes cleaning the corresponding cleaning area; each cleaning cycle comprises a feeding time interval and a liquid suction cleaning time interval;
the conveying unit sends the flexible filter unit into bottom cell body and includes:
in each feeding period, the conveying unit feeds the cleaning area corresponding to the cleaning cycle into the bottom tank body, so that the cleaning area corresponding to the cleaning cycle is immersed in the liquid contained in the bottom tank body;
the imbibition cleaning unit inhales the liquid of the leeward side of the flexible filter unit to the windward side of the flexible filter unit and includes:
in each imbibition cleaning time period, the imbibition water pump controls the horn-shaped imbibition tube to imbibe so that liquid on the leeward side of the cleaning area corresponding to the cleaning period passes through the cleaning area corresponding to the cleaning period and enters the windward side of the cleaning area corresponding to the cleaning period, and the liquid passes through the horn-shaped imbibition tube and is discharged through the imbibition water pump so as to complete cleaning of the cleaning area corresponding to the cleaning period; when the imbibition cleaning unit imbibes, the movable guide rail controls the horn-shaped water suction pipe to move.
8. The method of claim 7, wherein when the humidifying filter device further comprises a top frame; the conveying unit comprises a bottom rotary table and a top rotary table, the bottom rotary table is arranged in the bottom groove body, the liquid absorbing and cleaning unit is positioned on one side of the bottom rotary table, the top rotary table is arranged on the top frame body, the upper end part of the flexible filtering unit is wound on the top rotary table, and the lower end part of the flexible filtering unit is wound on the bottom rotary table; the rotating shaft of the top rotating disc and the rotating shaft of the bottom rotating disc are in power connection through a belt, and the rotating shaft of the top rotating disc or the rotating shaft of the bottom rotating disc is connected with the power unit;
the conveying unit sends the cleaning area corresponding to the cleaning period into the bottom tank body, and the conveying unit comprises:
controlling the bottom turntable and the top turntable to rotate by using a power unit, so that the bottom turntable rolls up a cleaning area corresponding to the previous cleaning period, and pulls the cleaning area corresponding to the current cleaning period into a bottom groove body;
the conveying unit takes out the cleaned flexible filtering unit from the bottom tank body and comprises:
and controlling the bottom turntable and the top turntable to rotate by utilizing a power unit so that the top turntable rolls up the flexible filtering unit, and releasing the rolled flexible filtering unit by utilizing the bottom turntable so as to take out the flexible filtering unit from the bottom groove body.
9. A fresh air system, characterized in that, includes the humidification filter device of any one of claims 1 to 5.
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| CN108613306B (en) * | 2018-04-02 | 2020-05-22 | 诸暨市玖利达空气处理设备有限公司 | Method for adjusting indoor humidity by using fan |
| CN108758947A (en) * | 2018-06-26 | 2018-11-06 | 安徽应力环保科技有限公司 | A kind of automatically cleaning filtration system of fresh air system |
| CN108758949A (en) * | 2018-06-26 | 2018-11-06 | 安徽应力环保科技有限公司 | A kind of fresh air system and its control method with V-type filtration |
| CN109140622B (en) * | 2018-09-11 | 2020-11-06 | 中筑科技股份有限公司 | Central air conditioning filtration purification device |
| CN109126306A (en) * | 2018-10-08 | 2019-01-04 | 亚都科技集团有限公司 | The air purifier of automatic cleaning strainer |
| CN109764413B (en) * | 2018-12-21 | 2021-10-01 | 青岛海日高科技有限公司 | Functional module, functional assembly and air conditioner |
| CN112503707A (en) * | 2020-12-01 | 2021-03-16 | 党晓航 | Conveniently change filter equipment's air purifier |
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| JP2007170738A (en) * | 2005-12-21 | 2007-07-05 | Kowa Co Ltd | Dust removing cylinder for filter and air conditioner using the same |
| CN201046373Y (en) * | 2007-04-18 | 2008-04-16 | 珠海格力电器股份有限公司 | Filtering net automatic cleaning device for air-conditioning |
| CN201317241Y (en) * | 2008-09-24 | 2009-09-30 | 曾素兰 | Vehicle air cooler |
| CN202350229U (en) * | 2012-02-01 | 2012-07-25 | 福安市理想电器有限公司 | Energy-saving type environment-friendly water air conditioner and full-automatic driving system thereof |
| JP6019909B2 (en) * | 2012-08-09 | 2016-11-02 | 住友電気工業株式会社 | Liquid filtration device and ballast water treatment device using the same |
| CN103977618A (en) * | 2014-05-28 | 2014-08-13 | 北京沃尔德斯水务科技有限公司 | Filter |
| CN204693668U (en) * | 2015-06-12 | 2015-10-07 | 河北电信设计咨询有限公司 | Can humidity controlling film VMC |
| CN105318473A (en) * | 2015-11-03 | 2016-02-10 | 珠海格力电器股份有限公司 | Humidifying structure and gas processing device |
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