CN211191075U

CN211191075U - Filter screen cleaning device and device with filter screen

Info

Publication number: CN211191075U
Application number: CN201921576925.5U
Authority: CN
Inventors: 梁志辉; 尹志华; 林东明
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-08-07
Anticipated expiration: 2029-09-20

Abstract

The utility model provides a filter screen cleaning device and have device of filter screen, filter screen cleaning device includes: at least one cleaning member adapted to contact and clean the moving screen structure; a liquid supply device having a liquid outlet; the liquid outlet is at least arranged towards the cleaning piece; the receiving device is arranged below the cleaning piece. The liquid outlet through supplying liquid device sets up towards the cleaning member at least, when using, can be by supplying liquid device through the liquid outlet towards the cleaning member for the cleaning member supply cleaning solution, constantly wash the cleaning member, and simultaneously, the receiving arrangement who locates the cleaning member below can receive the foul solution that falls back by the cleaning member etc., make washing and the foul solution recovery to the cleaning member go on through different devices respectively, even after cleaning the filter screen structure for a long time, still can prevent to carry out abluent liquid to the cleaning member and be polluted by the dust of filter screen structure, improve the cleaning performance to the cleaning member, thereby improve the clean effect to the filter screen structure.

Description

Filter screen cleaning device and device with filter screen

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to filter screen cleaning device and have device of filter screen.

Background

In the traditional air conditioning industry, a filter screen is generally arranged at an air inlet to play a role in filtering. The filter screen can pile up a lot of dust after the air conditioner long-time operation, if not in time clear up can breed a lot of bacteriums. The general user all cleans after dismantling manually when wasing, but the position of air conditioner filter screen is all higher generally, and its dismantlement and washing are inconvenient.

In the prior art, a hairbrush is generally adopted to clean a filter screen and collect dust in a dust collecting box on an air conditioner, so that the cleaning effect on the filter screen is poor. Therefore, the existing air conditioner comprises a filter screen, a brush, a dust collection box and the like, wherein liquid is contained in the dust collection box, and part of the structure of the brush is immersed in the liquid of the dust collection box, so that the filter screen can be washed by the liquid through rotation of the brush, the brush is cleaned in real time, and the cleaning effect on the filter screen can be improved. However, after the filter screen is cleaned for a long time, the dust on the filter screen can be brought into the liquid of the dust collecting box by the brush, so that the liquid of the dust collecting box becomes dirty liquid, the brush is cleaned by the dirty liquid, the cleaning effect of the brush is poor, and the cleaning effect of the brush on the filter screen is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the device that has the filter screen among the prior art and cleaning the relatively poor defect of back cleaning performance long-time to the filter screen to provide one kind and still have the filter screen cleaning device of better clean effect and have the device of filter screen after cleaning the filter screen for a long time.

The utility model provides a filter screen cleaning device, include:

at least one cleaning member adapted to contact and clean a moving screen structure;

the liquid supply device is provided with a liquid outlet, and the liquid outlet is at least arranged towards the cleaning piece;

and the receiving device is arranged below the cleaning piece.

The cleaning elements are in rolling contact with the screen structure.

The cleaning device comprises a cleaning piece and a filter screen structure, and is characterized by further comprising a driving device for driving the cleaning piece to rotate, wherein the rotating direction of the cleaning piece is opposite to that of the filter screen structure.

The liquid supply device includes:

a cleaning liquid tank adapted to contain cleaning liquid;

a liquid spraying structure at least suitable for spraying cleaning liquid towards the cleaning member;

and the connecting pipeline is communicated with the cleaning liquid tank and the liquid spraying structure.

The cleaning liquid box is arranged below the receiving device, the liquid spraying structure is arranged above the receiving device, and the connecting pipeline is provided with a pump.

The liquid spraying structure comprises a liquid spraying body, and the liquid spraying body is communicated with the connecting pipeline; the liquid outlet comprises at least one liquid spraying hole, and the liquid spraying hole is formed in the liquid spraying body and at least suitable for spraying liquid to the cleaning piece.

The liquid spray hole is provided at least toward the cleaning member.

The liquid spraying hole faces the contact position of the cleaning piece and the filter screen structure.

The liquid spraying body is of a cylindrical structure and extends out from the connecting pipeline along the width direction of the filter screen structure.

The axis of the liquid spraying body is parallel to the axis of the cleaning piece.

The liquid spraying holes are multiple and distributed on the liquid spraying body at intervals along the width direction of the filter screen structure.

The cleaning liquid tank is suitable for being arranged at the bottom of the device with the filter screen.

The cleaning member is located in or above the receiving means.

Still including scraping liquid structure, scrape liquid structure one side with receiving arrangement is connected, the opposite side orientation the cleaning member extends and with the cleaning member contact.

The liquid scraping structure passes through the axis of the cleaning piece towards the extending direction of the cleaning piece.

Further comprising:

the fixed structure is suitable for fixedly mounting the cleaning liquid tank;

the lifting mechanism is arranged in the device with the filter screen and is suitable for driving the fixing structure to do lifting motion.

The fixed structure is a bearing structure suitable for bearing the cleaning liquid tank.

The cleaning member is a cleaning brush.

The cleaning solution is clear water.

The utility model also provides a device with the filter screen, including foretell filter screen cleaning device, and the filter screen.

The device with the filter screen also comprises a shell, a liquid receiving disc arranged in the shell, and a liquid discharge pipe for communicating the liquid receiving disc with the outside of the shell; the filter screen cleaning device is suitable for being installed in the shell, and the receiving device is communicated with the liquid receiving disc.

The liquid supply device is suitable for collecting condensed water in the device with the filter screen.

The filter screen structure comprises an annular flexible framework and a filter screen net material covered on at least part of the outer surface of the flexible framework.

The device with the filter screen is an air conditioner.

The device with the filter screen is a wall-mounted air conditioner.

The utility model discloses technical scheme has following effect:

1. the utility model provides a filter screen cleaning device, include: at least one cleaning member adapted to contact and clean a moving screen structure; the liquid supply device is provided with a liquid outlet, and the liquid outlet is at least arranged towards the cleaning piece; and the receiving device is arranged below the cleaning piece. The liquid outlet through supplying liquid device sets up towards the cleaning member at least, when using, can be by supplying liquid device through the liquid outlet towards the cleaning member supply cleaning solution, and simultaneously, the receiving arrangement of locating the cleaning member below can receive the foul solution that falls back by the cleaning member and the dust that falls from the filter screen structure, on the one hand, make washing and the foul solution of cleaning member retrieve and carry out even after cleaning the filter screen structure for a long time through different devices respectively, still can prevent to carry out abluent liquid to the cleaning member and by the dust pollution of filter screen structure, on the other hand, the liquid outlet is towards the cleaning solution supply cleaning solution, can constantly wash the cleaning member, further improve the cleaning performance to the cleaning member, thereby improve the cleaning performance to the filter screen structure.

2. The utility model provides a filter screen cleaning device, hydrojet hole orientation the cleaning member with the contact department of filter screen structure sets up. This results in a better cleaning of the cleaning elements and the filter screen structure.

3. The utility model provides a filter screen cleaning device, the cleaning solution case is suitable for the setting and is in the bottom of the device that has the filter screen. Like this when the position of filter screen is higher, especially to wall-hanging air conditioner, can reduce the height of cleaning solution case to be convenient for take off the cleaning solution case, fill the cleaning solution in the cleaning solution case.

4. The utility model provides a filter screen cleaning device still includes scrapes the liquid structure, scrape liquid structure one side with receiving arrangement connects, the opposite side orientation the cleaning member extend and with the cleaning member contact. Scrape the setting of liquid structure, can effectively strike off the foul solution on the cleaning member, wash the cleaning member after striking off the foul solution, can obtain better clean effect.

5. The utility model provides a filter screen cleaning device, scrape liquid structure orientation the extending direction process of cleaning member the axle center of cleaning member. Thus, better effect of scraping off the dirty liquid on the cleaning piece can be obtained.

6. The utility model provides a filter screen cleaning device still includes: the fixed structure is suitable for fixedly mounting the cleaning liquid tank; the lifting mechanism is arranged in the device with the filter screen and is suitable for driving the fixing structure to do lifting motion. When the cleaning liquid box needs to be taken down, the fixed structure can drive the cleaning liquid box to descend only by controlling the lifting mechanism to do descending motion, so that the cleaning liquid box is convenient to take down for filling the cleaning liquid; after the completion cleaning solution fills, only need to install the cleaning solution case on fixed knot constructs, then control elevating system carries out the ascending motion, alright make fixed knot construct and drive the cleaning solution case and rise, accomplish the installation of cleaning solution case in the device that has the filter screen.

7. The device with the filter screen provided by the utility model also comprises a shell, a liquid receiving disc arranged in the shell, and a liquid discharge pipe communicating the liquid receiving disc with the outside of the shell; the filter screen cleaning device is suitable for being installed in the shell, and the receiving device is communicated with the liquid receiving disc. By communicating the receiving device with the liquid receiving tray, the dirty liquid received by the receiving device and returned by the cleaning member can flow into the liquid receiving tray and further be discharged to the outside of the housing through the liquid discharge pipe communicating with the liquid receiving tray. Therefore, the receiving device does not need to be disassembled and assembled, the discharge of the dirty liquid in the receiving device can be realized, and the use is more convenient.

8. The utility model provides a device with filter screen, the liquid supply device is suitable for the collection condensate water in the device with filter screen. Can come for supplying the cleaning solution among the liquid supply device through the comdenstion water like this to need not frequent dismouting and supply liquid device, alright in order to realize the cleanness to the cleaning member, it is more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic partial cross-sectional view of a wall-mounted air conditioner according to a first embodiment of the present invention;

FIG. 2 is a partially exploded perspective view of the wall-mounted air conditioner of FIG. 1;

FIG. 3 is a perspective view of the liquid spray structure of FIG. 2;

FIG. 4 is a schematic perspective view of the filter screen construction of FIG. 2;

description of reference numerals:

1-cleaning element, 2-receiving device, 3-cleaning liquid tank, 4-connecting pipeline, 41-pump, 51-liquid spraying body, 52-liquid spraying hole, 6-liquid scraping plate, 7-tray, 10-filter screen structure, 101-flexible framework and 20-shell.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the present embodiment provides a filter screen cleaning apparatus, which is adapted to be installed in a housing 20 of a wall-mounted air conditioner and cleans a filter screen structure 10 provided at an air inlet of the wall-mounted air conditioner. The filter screen cleaning device provided in the present embodiment includes a cleaning member 1, a liquid supply device, and a receiving device 2.

The cleaning member 1 is adapted to contact the moving filter screen structure 10 and clean the filter screen structure 10.

The liquid supply device is provided with a liquid outlet, and the liquid outlet is at least arranged towards the cleaning piece 1.

The receiving means 2 is provided below the cleaning member 1.

The specific number of the cleaning members 1 is not limited, and the cleaning members 1 in this embodiment have one. As an alternative embodiment, the cleaning elements 1 can also have two or three, etc.

The liquid outlet through supplying liquid device sets up towards the cleaning member at least, when using, can be by supplying liquid device through the liquid outlet towards the cleaning member for cleaning member 1 supply cleaning solution, and simultaneously, receiving arrangement 2 of locating the cleaning member below can receive the foul solution that falls back by cleaning member 1 and the dust that falls from the filter screen structure, on the one hand, make washing and the foul solution recovery to cleaning member 1 go on through different devices respectively, even after cleaning filter screen structure 10 for a long time, still can prevent to carry out abluent liquid to cleaning member 1 and be polluted by the dust of filter screen structure, further improve the cleaning performance to cleaning member 1, thereby improve the cleaning performance to filter screen structure 10.

The specific structural form of the cleaning member 1 is not limited, and the cleaning member 1 in this embodiment is a cleaning brush, specifically, a brush. As an alternative embodiment, the cleaning element 1 can also be a sponge brush.

The cleaning elements 1 may be in contact with the filter structure 10 in a variety of ways, and in this embodiment, the cleaning elements 1 are in rolling contact with the filter structure 10. As an alternative embodiment, the cleaning element 1 can also be in translatory contact with the filter screen configuration 10.

The filter screen cleaning device provided by the embodiment further comprises a driving device for driving the cleaning member 1 to rotate, and the rotation direction of the cleaning member 1 is opposite to the rotation direction of the filter screen structure 10 under the driving of the driving device.

The liquid supply device may have various specific configurations, and in this embodiment, the liquid supply device includes a cleaning liquid tank 3, a liquid spraying structure, and a connecting pipe 4.

The cleaning liquid tank 3 is adapted to contain cleaning liquid.

The liquid spray structure is adapted to spray liquid at least towards the cleaning member 1.

The connecting pipeline 4 is communicated with the cleaning liquid tank 3 and the liquid spraying structure.

The cleaning liquid tank 3 is arranged below the receiving device 2, the liquid spraying structure is arranged above the receiving device 2, and the connecting pipeline 4 is provided with a pump 41. The specific form of the cleaning liquid is not limited, and in the present embodiment, the cleaning liquid is clean water, and correspondingly, the pump 41 is a water pump.

As an alternative embodiment, the cleaning liquid tank 3 may be provided above the receiving device 2, and the liquid in the cleaning liquid tank 3 may be ejected onto the cleaning material 1 by a liquid ejecting mechanism by a hydraulic pressure generated by the gravity of the liquid in the cleaning liquid tank 3.

The liquid spraying structure and the liquid outlet can be in various specific structural forms, in this embodiment, the liquid spraying structure includes a liquid spraying body 51, and the liquid outlet includes a plurality of liquid spraying holes 52.

The liquid ejecting body 51 communicates with the connecting duct 4.

The liquid spraying holes 52 are arranged on the liquid spraying body 51 and are arranged towards the contact part of the cleaning piece 1 and the filter screen structure 10, and are suitable for spraying cleaning liquid to the contact part of the cleaning piece 1 and the filter screen structure 10. This results in a better cleaning effect of the cleaning element 1 and the filter construction 10.

Alternatively, the liquid ejecting holes 52 may be provided only toward the cleaning member 1 and eject the cleaning liquid only toward the cleaning member 1.

The specific structure of the liquid spraying body 51 can be various, in this embodiment, the liquid spraying body 51 is a cylindrical structure and extends from the connecting pipe 4 along the width direction of the filter screen structure 10. As an alternative embodiment, the liquid ejecting body 51 may be provided only at the connecting duct 4 and not extend in the width direction of the filter screen structure 10.

In the present embodiment, the axis of the liquid ejecting body 51 is parallel to the axis of the cleaning member 1. The plurality of liquid spraying holes 52 are distributed on the liquid spraying body 51 at intervals along the width direction of the filter screen structure 10. Alternatively, the axis of liquid jet body 51 and the axis of cleaning member 1 may not be parallel. As an alternative embodiment, only one liquid ejection hole 52 may be provided.

The cleaning liquid tank 3 in this embodiment is adapted to be disposed at the bottom of a wall-mounted air conditioner. Can reduce the height of cleaning solution tank 3 like this to be convenient for take off cleaning solution tank 3, to filling the cleaning solution in the cleaning solution tank 3.

The specific relative positional relationship between the cleaning members 1 and the receiving means 2 may be varied and in this embodiment the cleaning members 1 are located in the receiving means 2. As an alternative embodiment, the cleaning elements 1 can also be located above the receiving device 2.

The filter screen cleaning device that this embodiment provided still includes scrapes the liquid structure, scrapes liquid structure one side and is connected with receiving arrangement 2, and the opposite side extends towards cleaning member 1 and contact with cleaning member 1. Scrape the setting of liquid structure, can effectively strike off the foul solution on the cleaning member 1, wash the cleaning member 1 after striking off the foul solution, can obtain better clean effect. As an alternative embodiment, the wiping structure may not be provided.

In the present embodiment, the liquid scraping structure passes through the axial center of the cleaning member 1 toward the extending direction of the cleaning member 1. This can achieve a better effect of scraping off the dirt liquid on the cleaning member 1. As an alternative embodiment, the extending direction of the wiping structure toward the cleaning member 1 may not pass through the axial center of the cleaning member 1, and the wiping structure may be configured to be capable of wiping the cleaning member 1 by contacting the cleaning member 1.

The specific structural form of the liquid scraping structure is not limited, and the liquid scraping structure in this embodiment is a liquid scraping plate 6.

The filter screen cleaning device that this embodiment provided still includes fixed knot structure and elevating system.

The fixing structure is adapted to fixedly mount the cleaning liquid tank 3.

When the cleaning liquid tank 3 needs to be taken down, the fixed structure can drive the cleaning liquid tank 3 to descend only by controlling the lifting mechanism to do descending motion, so that the cleaning liquid tank 3 is convenient to take down for filling the cleaning liquid; after the completion cleaning solution fills, only need to install cleaning solution case 3 on fixed knot constructs, then control elevating system carries out the ascending motion, alright make fixed knot construct and drive cleaning solution case 3 and rise, accomplish the installation of cleaning solution case 3 in the device that has the filter screen.

The specific structural form of the lifting mechanism is not limited, and the conventional lifting mode can be adopted, for example, a connecting rod structure or a sliding rail and sliding groove structure can be realized.

As an alternative embodiment, the lifting mechanism may not be provided.

The specific structural form of the fixing structure is not limited, and in the present embodiment, the fixing structure is a bearing structure adapted to bear the cleaning liquid tank 3, and specifically, the fixing structure is the tray 7. As an alternative embodiment, the tray 7 may be replaced with another type of fixing structure such as a clamping structure.

The embodiment also provides a wall-mounted air conditioner, which comprises the filter screen cleaning device, the filter screen structure 10, the shell 20, the liquid receiving disc, the liquid discharge pipe and the like.

The drip pan is provided in the housing 20.

The drain pipe is connected to the liquid receiving tray and the outside of the housing 20.

The filter cleaning device is adapted to be mounted in the housing 20, the receiving device 2 being in communication with the drip pan.

By communicating the receiving device 2 with the liquid receiving tray, the dirty liquid received by the receiving device 2 and returned by the cleaning member 1 can flow into the liquid receiving tray and further be discharged out of the housing 20 through the drain pipe communicating with the liquid receiving tray. Need not dismouting receiving arrangement 2 like this, alright discharge in order to realize receiving arrangement 2 foul solution, it is more convenient to use.

The cleaning liquid tank 3 in the liquid supply device is adapted to collect condensed water in the wall-mounted air conditioner. Can come supply the cleaning solution for in the cleaning solution case 3 through the comdenstion water like this to need not frequent dismouting cleaning solution case 3, alright in order to realize the cleanness to cleaning member 1, it is more convenient to use.

The specific structure of the filter screen structure 10 may be various, and in this embodiment, the filter screen structure 10 includes a flexible framework 101 in a ring shape, and a filter screen net covering at least a part of the outer surface of the flexible framework 101.

As an alternative embodiment, the wall-mounted air conditioner may be replaced with a floor-mounted air conditioner. As an alternative embodiment, the wall-mounted air conditioner may be replaced with another device having a filter screen, such as a dehumidifier.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A filter screen cleaning apparatus, comprising:

at least one cleaning element (1) adapted to come into contact with a moving filter screen structure (10) and clean said filter screen structure (10);

the liquid supply device is provided with a liquid outlet, and the liquid outlet is at least arranged towards the cleaning piece (1); the liquid supply device comprises a cleaning liquid tank (3), a liquid spraying structure and a connecting pipeline (4), wherein the cleaning liquid tank (3) is suitable for containing cleaning liquid; the liquid spraying structure is at least suitable for spraying cleaning liquid towards the cleaning piece (1); the connecting pipeline (4) is communicated with the cleaning liquid tank (3) and the liquid spraying structure;

a receiving device (2) arranged below the cleaning piece (1).

2. Filter screen cleaning apparatus according to claim 1, characterised in that the cleaning elements (1) are in rolling contact with the filter screen structure (10).

3. A filter screen cleaning apparatus according to claim 2, further comprising a drive means for driving the cleaning member (1) in rotation, the direction of rotation of the cleaning member (1) being opposite to the direction of rotation of the filter screen structure (10).

4. A filter screen cleaning apparatus according to any one of claims 1-3, wherein the cleaning liquid tank (3) is arranged below the receiving means (2), the liquid spray structure is arranged above the receiving means (2), and the connecting duct (4) is provided with a pump (41).

5. The filter screen cleaning device according to claim 4, wherein the liquid spray structure comprises a liquid spray body (51), the liquid spray body (51) being in communication with the connecting duct (4); the liquid outlet comprises at least one liquid spraying hole (52), the liquid spraying hole (52) is formed in the liquid spraying body (51) and at least suitable for spraying cleaning liquid to the cleaning piece (1).

6. Filter screen cleaning apparatus according to claim 5, characterised in that the liquid spray holes (52) are arranged at least towards the cleaning members (1).

7. Filter screen cleaning apparatus according to claim 6, characterised in that the liquid spray holes (52) are arranged towards the contact of the cleaning member (1) with the filter screen structure (10).

8. A filter screen cleaning apparatus as claimed in claim 5, wherein said spray body (51) is cylindrical and extends from said connecting duct (4) in the width direction of said filter screen structure (10).

9. Filter screen cleaning apparatus according to claim 8, characterised in that the axis of the spray body (51) is parallel to the axis of the cleaning member (1).

10. The filter screen cleaning device according to claim 8, wherein the liquid spray holes (52) are provided in plurality and are spaced apart from each other along the width direction of the filter screen structure (10) on the liquid spray body (51).

11. The filter screen cleaning apparatus according to claim 1, wherein the cleaning liquid tank (3) is adapted to be arranged at the bottom of the apparatus with the filter screen.

12. The filter screen cleaning apparatus according to claim 1, wherein the cleaning member (1) is located in the receiving means (2) or above the receiving means (2).

13. A filter screen cleaning device according to claim 1, further comprising a wiping structure connected to the receiving means (2) on one side and extending towards the cleaning member (1) and contacting the cleaning member (1) on the other side.

14. The filter screen cleaning apparatus according to claim 13, wherein the wiping structure passes through the axial center of the cleaning member (1) toward the extending direction of the cleaning member (1).

15. The filter screen cleaning apparatus according to claim 1, further comprising:

a fixed structure adapted to fixedly mount the cleaning liquid tank (3);

16. The filter screen cleaning apparatus according to claim 15, wherein the fixed structure is a carrying structure adapted to carry the cleaning liquid tank (3).

17. A filter screen cleaning apparatus as claimed in any one of claims 1 to 3, in which the cleaning member is a cleaning brush.

18. The filter screen cleaning apparatus according to claim 1, wherein the cleaning liquid is clean water.

19. An apparatus having a filter screen, comprising the filter screen cleaning apparatus of any one of claims 1-18, and a filter screen structure.

20. The device with the filter screen as claimed in claim 19, further comprising a housing (20), a liquid receiving disc arranged in the housing (20), and a liquid discharge pipe communicating the liquid receiving disc with the outside of the housing (20); the filter screen cleaning device is suitable for being installed in the shell (20), and the receiving device (2) is communicated with the liquid receiving disc.

21. The apparatus having a filter screen of claim 19, wherein the liquid supply apparatus is adapted to collect condensed water in the apparatus having a filter screen.

22. Device with a filtering screen according to claim 19, characterized in that the filtering screen structure (10) comprises a flexible skeleton (101) in the form of a ring, and a filtering screen mesh covering at least part of the outer surface of the flexible skeleton (101).

23. The apparatus having a filter screen according to any one of claims 19-22, wherein the apparatus having a filter screen is an air conditioner.

24. The apparatus having a filter screen of claim 23, wherein the apparatus having a filter screen is a wall-mounted air conditioner.