CN210320338U - Filter screen, filter screen belt cleaning device and air conditioner - Google Patents

Abstract

The utility model provides a filter screen, filter screen belt cleaning device and air conditioner relates to air conditioner technical field. Air conditioner filter screen, include: the filter screen is arranged on the flow guide channel; the flow guide channel is provided with a water outlet which is communicated with the flow guide channel. The utility model discloses a setting of water conservancy diversion passageway can play traditional filter screen reinforcing effect on the one hand, and on the other hand works as when walking about in the water conservancy diversion passageway, water flows from the delivery port, can directly form the washing to the filter screen, and need not with the filter screen is dismantled the back, washs again, and it is troublesome to have avoided unnecessary.

Description

Filter screen, filter screen belt cleaning device and air conditioner

Technical Field

The utility model relates to a technical field of air conditioner particularly, relates to a filter screen, filter screen belt cleaning device and air conditioner.

Background

In a vertical air conditioner, in order to filter dust and impurities in air, a filter screen is generally disposed at an air inlet of the vertical air conditioner. However, due to the long-term operation of the air conditioner, certain dust and impurities tend to accumulate on the filter screen. If the filter screen does not wash for a long time, can lead to the air intake to reduce to the performance of air conditioner also can produce the influence to air quality, makes the air-conditioner air-out produce certain peculiar smell. Therefore, the screen needs to be removed for cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model discloses accomplish in view of above-mentioned prior art's situation, its aim at provides an air conditioner filter screen, improves the filter screen structure, and need not to dismantle the filter screen.

Therefore, the utility model provides an air conditioner filter screen, include: the filter screen is arranged on the flow guide channel; the flow guide channel is provided with a water outlet which is communicated with the flow guide channel.

From this, through the setting of water conservancy diversion passageway, can play traditional filter screen reinforcing effect on the one hand, on the other hand, works as when walking about in the water conservancy diversion passageway, water flows from the delivery port, can directly form the washing to the filter screen, and need not with the filter screen is dismantled the back, washs again, has avoided unnecessary troublesome.

Optionally, still be provided with the water receiving tank on the filter screen, the water receiving tank is located water conservancy diversion passageway top, the water receiving tank is suitable for collecting water.

Therefore, through the arrangement of the water receiving tank, certain water is firstly collected in the water receiving tank, the water receiving tank is communicated with the flow guide channel, water in the water receiving tank flows into the flow guide channel and is discharged through the water outlet, and dust and impurities on the filter screen are taken away through the water flow, so that the filter screen is cleaned.

Optionally, be provided with the hole that leaks on the water receiving tank, it set up in the bottom of water receiving tank and/or be close to on the water receiving tank the inside wall of filter screen one side.

From this, water in the water receiving tank can be followed the hole that leaks flows to follow the filter screen flows down on, takes away dust and impurity on the filter screen through rivers, realizes right the filter screen washs.

Optionally, the water conservancy diversion passageway includes first water conservancy diversion passageway, first water conservancy diversion passageway is in the horizontal projection of filter screen with the horizontal cross-section phase-match of filter screen, the delivery port with first water conservancy diversion passageway is linked together.

This ensures that the area of the screen in the transverse direction is cleaned.

Optionally, the water outlet is provided in plurality.

Therefore, water in the first diversion channel can flow out from different positions, a plurality of positions on the filter screen are cleaned, and even the cleaning area of the water flowing out of the water outlet covers the transverse surface of the whole filter screen.

Optionally, there are a plurality of the first diversion channels, and the plurality of the first diversion channels are arranged along the longitudinal direction of the filter screen.

Therefore, the filter screen is divided into a plurality of areas along the longitudinal direction, and the areas below the adjacent filter screen are cleaned through each first flow guide channel, so that layered cleaning of the filter screen can be formed, and incomplete cleaning caused by too long cleaning path when water flows down or accumulated water splashing caused by too much upper laminated water is avoided.

Optionally, the diversion channel further includes a second diversion channel, and the second diversion channel communicates the water receiving tank with the first diversion channel.

From this, through the setting of second water conservancy diversion passageway realizes the intercommunication of first water conservancy diversion passageway and water receiving tank makes each layer of first water conservancy diversion passageway all can pass through the second water conservancy diversion passageway carries certain water, makes every layer of filter screen all can wash.

The utility model provides a filter screen belt cleaning device in addition, including above-mentioned arbitrary air conditioner filter screen, still include: a water storage device installed on the air conditioner; a flow guide device adapted to guide water in the water storage device to a flow guide passage.

From this, through water storage device's setting stores certain water in the air conditioner, when the filter screen needs wash, through guiding device's setting will water among the water outlet means leads to the filter screen takes away dust and impurity on the filter screen through rivers, and the realization is right the filter screen washs.

Optionally, the diversion device includes a diversion pipe, which is communicated with the water storage device and is adapted to guide water in the water storage device to the diversion channel.

Therefore, water in the water storage device is directly guided to the filter screen through the guide pipe, and the filter screen is cleaned.

The utility model also provides an air conditioner, including the aforesaid arbitrary filter screen belt cleaning device. The air conditioner has the same beneficial effects as the filter screen cleaning device, and the description is omitted.

Optionally, the air conditioner includes an upper mounting seat and a lower mounting seat, the filter screen passes through the upper mounting seat and the lower mounting seat is installed in the air inlet of the air conditioner, so that the filter screen is located between the evaporator and the shell.

Therefore, the filter screen is installed through the upper installation seat and the lower installation seat, and the filter screen covers the outer side of the evaporator.

Optionally, a water pan is arranged on the lower mounting seat, and is suitable for collecting water flowing down from the filter screen, and a water outlet is arranged on the water pan.

Therefore, the sewage flowing down the filter screen is discharged through the arrangement of the water outlet.

Drawings

The accompanying drawings, which form a part hereof, 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 without undue limitation. In the drawings:

FIG. 1 is an exploded view of a screen mounting structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of a mounting structure of a filter screen in an embodiment of the present invention;

fig. 3 is a schematic structural view of a screen cleaning device in an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 1 at II;

FIG. 6 is an enlarged view of a portion of FIG. 1 at III according to the present invention;

fig. 7 is an enlarged view of a portion of fig. 1 at IV in accordance with the present invention;

FIG. 8 is an enlarged view of a portion of the vacuum chamber of FIG. 1;

fig. 9 is a schematic structural view of an upper mounting seat in an embodiment of the present invention;

fig. 10 is a schematic structural view of a lower mounting base in an embodiment of the present invention;

fig. 11 is a schematic structural view of a filter screen in an embodiment of the present invention;

fig. 12 is a schematic cross-sectional view of a filter screen according to an embodiment of the present invention;

fig. 13 is an enlarged view of a portion VI of fig. 12 according to the present invention;

fig. 14 is a partially enlarged view of VII in fig. 11 according to the present invention.

Description of reference numerals:

1-water storage device, 11-draft tube, 2-filter screen, 20-second guide channel, 21-clamping edge, 22-limiting part, 23-boss, 24-waist-shaped hole, 25-slot, 26-fifth screw hole, 27-limiting edge, 28-water receiving groove, 29-water leakage hole, 3-upper mounting seat, 30-second screw hole, 31-drainage tube, 32-clamping structure, 33-plug connector, 34-fourth screw hole, 35-limiting boss, 36-seventh screw hole, 37-supporting plate, 4-lower mounting seat, 41-limiting groove, 42-clamping member, 43-limiting plate, 44-first screw hole, 45-water outlet, 46-water receiving disc, 5-evaporator, 51-third screw hole, 61-first flow guide channel, 62-water outlet.

Detailed Description

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the corresponding drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Further, the features defined as "first", "second", etc. do not constitute a limitation on the specific number. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or a rotatable connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 10, the present embodiment provides a screen mounting structure adapted to mount a screen 2 to an air inlet of an air conditioner including an upper mount 3 and a lower mount 4, the screen mounting structure including: and the limiting groove 41 is arranged on the upper mounting seat 3 and/or the lower mounting seat 4, and the filter screen is in plug-in fit with the limiting groove 41.

In a vertical cabinet type air conditioner, the upper mounting seat 3 and the lower mounting seat 4 are generally used for mounting a cross-flow fan blade or an evaporator 5, here, a filter screen 2 is mounted on the upper mounting seat 3 and/or the lower mounting seat 4, here, the filter screen 2 is mounted on the upper mounting seat 3 and/or the lower mounting seat 4, so that the filter screen 2 can be ensured to cover the surface of the evaporator 5 and be positioned between the evaporator and an air conditioner shell. It should be noted that the limiting groove 41 may be disposed at the lower side of the upper mounting seat 3, which is to insert the upper end of the filter screen 2 into the limiting groove 41; the limiting groove 41 may also be disposed at the upper side of the lower mounting seat 4, and at this time, the lower end of the filter screen 2 is inserted into the limiting groove 41; the limiting groove 41 can also be simultaneously arranged on the upper side of the lower mounting seat 4 and the lower side of the upper mounting seat 3, at this time, the upper mounting seat 3 and the lower mounting seat 4 correspond to the limiting groove 41 up and down, so that the upper end and the lower end of the filter screen 2 can be simultaneously and respectively inserted into the upper mounting seat 3 and the limiting groove 41 on the lower mounting seat 4. Typically, the retaining groove 41 is an arc-shaped groove, which defines a plurality of degrees of freedom of the screen 2.

Therefore, when the filter screen 2 is inserted into the limiting groove 41, the position of the filter screen 2 is limited by the limiting groove 41, and the filter screen 2 is prevented from shaking. Through the spacing at upper and lower both ends, will filter screen 2 install in go up mount pad 3 and/or on mount pad 4 down, through go up mount pad 3 and/or the fixed realization of mount pad 4 down filter screen 2 is fixed. Because the spacing groove 41 with the contact between the filter screen 2 is the face contact, has increased right the fixed area of filter screen 2.

As shown in fig. 4, the screen mounting structure further includes: joint 42 and spacing portion 22, joint 42 with spacing portion 22 set up respectively in the bottom of spacing groove 41 with on the filter screen 2.

Here, spacing portion 22 is the card hole, joint piece 42 can set up in the bottom of spacing groove 41, at this moment, be provided with card limit 21 on the filter screen 2, be provided with on the card limit 21 the card hole, be provided with spacing arch on the joint piece 42, joint piece 42 inserts the card hole, and pass through spacing arch with the card hole joint. Of course, the clamping member 42 may also be disposed on the filter screen 2, and at this time, a corresponding clamping hole may be correspondingly disposed at the bottom of the limiting groove 41. As shown in fig. 4, the clip 42 is disposed on the lower mounting seat 4. As shown in fig. 9, the upper mounting seat 3 is also provided with a clamping structure 32 having the same structure as the clamping member 42, and the filter screen 2 is also provided with a clamping portion corresponding to the clamping structure 32.

The advantage of this arrangement is that the snap-in piece 42 can be hidden by arranging the snap-in piece 42 in the limiting groove 41. On the other hand, the clamping piece 42 plays a role in positioning the filter screen 2, so that the position of the filter screen 2 is further limited.

As shown in fig. 4, 5 and 10, the screen mounting structure further includes: a limiting plate 43, wherein the limiting plate 43 is disposed on the upper mounting seat 3 and/or the lower mounting seat 4, and the inner side of the limiting plate 43 is suitable for limiting the filter screen 2.

Here, the inner side of the restriction plate 43 refers to a side of the restriction plate 43 close to the inside of the air conditioner. It should be noted that the limiting plate 43 may be disposed on the lower mounting seat 4, and at this time, the lower left corner of the filter screen 2 in fig. 3 is located inside the limiting plate 43; a limit plate 43 may be disposed on the upper mounting seat 3, in which case, the upper left corner of the filter screen 2 in fig. 3 is located inside the limit plate 43; the limiting plate 43 may also be disposed on the upper mounting seat 3 and the lower mounting seat 4 at the same time, and at this time, the lower left corner and the upper left corner of the filter screen 2 in fig. 3 are respectively located on the inner sides of the limiting plate 43 on the lower mounting seat 4 and the upper mounting seat 3. Of course, the limiting plate 43 may be provided in plural, and respectively limit the corners of the filter screen 2.

When the filter screen is installed, the filter screen 2 is inserted into the limiting groove 41, and simultaneously, the edge of the filter screen 2 is broken into the inner side of the limiting plate 43, so that the filter screen corners are limited, and the filter screen 2 is prevented from being tilted.

As shown in fig. 4 and 5, the screen mounting structure further includes: and the boss 23 is arranged on the filter screen 2, and the boss 23 is in contact with the inner side of the limit plate 43.

It should be noted that there are a plurality of bosses 23, and when the limiting plate 43 limits the filter screen 2, the limiting plate 43 contacts with the boss 23, as shown in fig. 5, the boss 23 is disposed at the lower left corner of the filter screen 2 and corresponds to the position of the limiting plate 43. Through the arrangement of the boss 23, on one hand, the contact area between the boss and the limiting plate 43 can be reduced, and the phenomenon that the limiting plate 43 is vibrated with the filter screen 2 due to local non-contact caused by overlarge area is avoided; on the other hand, the boss has a certain thickness, and can fill the gap between the limiting plate 43 and the filter screen 2.

As shown in fig. 5 and 10, the screen mounting structure further includes: the first screw hole 44 and the waist-shaped hole 24 are respectively arranged on the limiting plate 43 and the filter screen 2, and the first screw hole 44 is matched with the waist-shaped hole 24 and is suitable for fixing the filter screen 2 on the limiting plate 43 through a screw.

It should be noted that the first screw hole 44 may be disposed on the limiting plate, and at this time, the waist-shaped hole 24 is disposed on the filter screen 2; the first screw hole 44 may also be provided on the sieve 2, in which case the slotted hole 24 is provided on the limit plate. On one hand, the filter screen 2 and the limiting plate 43 are fixed in a screw fastening mode, so that the filter screen 2 and the limiting plate 43 are tightly connected; on the other hand, through the arrangement of the waist-shaped hole 24, a certain installation allowance is provided for screw fastening, and the alignment of the first screw hole 44 and the waist-shaped hole is facilitated.

As shown in fig. 6 and 7, the screen mounting structure further includes: second screw hole 30 and third screw hole 51, set up respectively in evaporimeter 5 with on the filter screen 2, second screw hole 30 with third screw hole 51 phase-match is suitable for through the screw will filter screen 2 is fixed in on the evaporimeter 5.

Here, the evaporator 5 is provided with a lug, the lug is provided with the third screw hole 51, the filter screen 2 is provided with a boss, the boss is provided with the second screw hole 30, and the filter screen 2 is fixed to the evaporator 5 by passing a screw through the second screw hole 30 and the third screw hole 51. The advantage of this setting is that will filter screen 2 with evaporimeter 5 is fixed, avoids the collision between evaporimeter 5 and filter screen 2 to produce abnormal sound.

As shown in fig. 8 and 9, the filter screen mounting structure further includes a slot 25 and a connector 33, which are respectively disposed on the upper mounting base 3 and the filter screen 2, and the slot 25 and the connector 33 are in insertion fit.

Here, slot 25 can set up the upside of filter screen 2, at this moment, plug connector 33 set up in the downside of going up mount pad 3, when carrying out the installation of filter screen, earlier filter screen 2 inserts the spacing groove in mount pad 4 down, then will plug connector 33 on the last mount pad 3 with slot 25 aligns, and will plug connector 33 pushes in slot 25. The advantage of this is that the filter screen 2 is positioned by a plug-in fit.

As shown in fig. 8 and 9, the filter screen mounting structure further includes a fourth screw hole 34 and a fifth screw hole 26 respectively disposed on the plug 33 and the slot 25, and the fourth screw hole 34 is matched with the fifth screw hole 26, and is adapted to fix the filter screen 2 on the upper mounting base 3 by screws.

Here, the slot 25 is a structure with two open sides, as shown in fig. 8, the sidewall of the slot 25 is provided with the fifth screw hole 26, the plug connector 33 is provided with a fourth screw hole 34, the fourth screw hole 34 is aligned with the fifth screw hole 26, and the filter screen 2 is fixed on the upper mounting base 3 by passing through the fourth screw hole 34 and the fifth screw hole 26 through screws.

The benefit that sets up like this lies in, on the one hand realize the filter screen 2 with go up the fixed of mount pad 3, avoid the filter screen 2 with bump production abnormal sound between the last mount pad 3, on the other hand, can hide the screw in slot 25.

As shown in fig. 8 and 9, the filter screen mounting structure further includes a supporting plate 37 and a supporting portion, which are respectively disposed on the upper mounting base 3 and the filter screen 2, and the supporting plate 37 is matched with the supporting portion and adapted to limit the filter screen 2 in the vertical direction.

Here, the supporting plate 37 may be disposed on the upper mounting base 3, and in this case, the supporting portion may be disposed on the filter screen 2, where the supporting portion may be a lower end surface of the water receiving tank 28, and an upper end surface of the supporting plate 37 is in contact with the lower end surface of the water receiving tank 28. Furthermore, the support plate 37 may be provided on the filter net 2, and in this case, the support portion may be provided on the upper mounting seat 3. The advantage of setting up like this lies in, through the backup pad with the interact of supporting part, spacing about the filter screen 2.

Here, as shown in fig. 8 and 9, the filter screen 2 is further provided with a limiting edge 27, the upper mounting seat 3 is provided with a limiting boss 35 corresponding to the limiting edge 27, the limiting edge 27 is provided in a vertical direction, and the limiting edge 27 is in contact with the limiting boss 35. In addition, a sixth screw hole (not shown) is arranged on the limiting edge 27, a seventh screw hole 36 is arranged on the limiting boss 35, and the sixth screw hole is matched with the seventh screw hole 36 and is suitable for fixing the filter screen 2 and the upper mounting seat 3 through screws.

The embodiment provides an air conditioner, including any above-mentioned filter screen mounting structure. The air conditioner has the same beneficial effects as the filter screen mounting structure, and the description is omitted.

As shown in fig. 11 to 14, the present embodiment provides an air conditioner filter screen, wherein a flow guide channel is disposed on the filter screen 2; the flow guide channel is provided with a water outlet 62 which is communicated with the flow guide channel.

The traditional filter screen is usually provided with a plurality of ribs structurally, as shown in fig. 11 to 14, the flow guide channel is equivalent to replace a rib structure on the traditional filter screen 2, the flow guide channel is equivalent to form a flow path in the ribs, namely, a pipeline is arranged in the ribs, the embodiment arranges a pipeline in the filter screen by replacing the rib structure with the flow guide channel, and a water outlet 62 is arranged at a corresponding position of the pipeline, so that when water flows out of the pipeline, the water flows out of the water outlet 62 to clean the filter screen 2. The benefit that sets up like this lies in, through the setting of water conservancy diversion passageway, can play traditional filter screen additional strengthening on the one hand, and on the other hand works as when walking about in the water conservancy diversion passageway, water flows from delivery port 62, can directly form the washing to filter screen 2, and need not with filter screen 2 dismantles the back, washs again, has avoided unnecessary troublesome.

As shown in fig. 8, a water receiving groove 28 is further disposed on the filter screen 2, the water receiving groove 28 is located above the diversion channel, the water receiving groove 28 is suitable for collecting water, and the water receiving groove 28 is communicated with the diversion channel.

It should be noted that the water receiving groove 28 is disposed on the filter screen 2, and may be integrated with the filter screen 2, and is manufactured by integrally forming the filter screen 2. The water receiving trough 28 is arranged along the transverse cross-sectional profile of the filter screen 2, where the transverse direction refers to the horizontal direction after the filter screen 2 is installed. Through the setting of water receiving tank 28, earlier collect certain water in water receiving tank 28, and water receiving tank 28 with the water conservancy diversion passageway is linked together, and rivers in the water receiving tank 28 arrive in the water conservancy diversion passageway, and pass through the delivery port 62 is discharged, takes away dust and impurity on the filter screen 2 through rivers, realize right filter screen 2 washs.

As shown in fig. 8, the water receiving tank 28 is provided with a water leakage hole 29. The water leakage hole 29 is arranged on the filter screen 2 and communicated with the water receiving tank 28, and is equivalent to the water leakage hole 29 arranged on the inner side wall of the water receiving tank 28 close to one side of the filter screen 2, and usually the water leakage hole 29 is arranged at the lowest position of the inner side wall of the water receiving tank 28. At this time, the water in the water receiving tank 28 can flow out from the water leakage holes 29 and flow down from the filter screen 2, and the dust and impurities on the filter screen 2 are taken away by the water flow, so that the filter screen 2 is cleaned. At this time, the side of the filter screen 2 away from the water receiving groove 28 can be cleaned through the arrangement of the second water leakage hole 29. Of course, the hole 29 that leaks also can set up the bottom of water receiving tank 28, that is to say, in order to avoid storing too much water in the water receiving tank 28 the bottom of water receiving tank 28 sets up the hole 29 that leaks, water in the water receiving tank 28 is followed the hole 29 that leaks flows out, and flow to filter screen 2 takes away dust and impurity on the filter screen 2 through rivers, realizes right filter screen 2 washs. The arrangement of the water leakage hole 29 at the bottom can ensure that no residual water is left in the water receiving tank 28, and the filter screen 2 on one side of the water receiving tank 28 can be cleaned.

The water leakage hole 29 is provided in plurality. A plurality of the water leakage holes 29 are distributed on the water receiving tank 28 along the profile of the cross section of the filter screen 2 and are close to the inner side wall of one side of the filter screen 2 and/or the bottom of the water receiving tank 28. Thereby guarantee to follow the profile direction of filter screen 2 cross section all has ponding to spill in all holes 29 that leak, can realize like this along the profile direction of filter screen 2 cross section is right filter screen 2 carries out more comprehensive washing.

As shown in fig. 11 to 14, the flow guide channel includes a first flow guide channel 61, a projection of the first flow guide channel 61 in the transverse direction of the filter screen 2 is matched with the transverse section of the filter screen 2, and the water outlet 62 is communicated with the first flow guide channel 61.

It should be noted that, first water conservancy diversion passageway 61 is in the horizontal projection of filter screen 2 with the transverse section phase-match of filter screen 2, that is to say, first water conservancy diversion passageway 61 can follow the horizontal setting of filter screen, of course, first water conservancy diversion passageway 61 also can slope the setting, only need guarantee when first water conservancy diversion passageway 61 slope sets up the projection of horizontal direction with the profile when the level sets up the same can, that is to say, also can cover when first water conservancy diversion passageway 61 slope sets up the horizontal profile of filter screen, can guarantee like this to carry out comprehensive washing in the horizontal region of filter screen 2. First water conservancy diversion passageway 61 is for being equipped with the structure or the basin structure of pipeline in it has seted up a plurality of delivery ports 62 on the first water conservancy diversion passageway 61, can make the water in the first water conservancy diversion passageway 61 flow from different positions like this, it is right a plurality of positions on the filter screen 2 are washd, even make the washing area of delivery port 62 outflow water cover the horizontal face of whole filter screen 2.

In addition, as shown in fig. 11 to 14, the first flow guide passage 61 is provided in plurality, and the plurality of first flow guide passages 61 are arranged along the longitudinal direction of the screen 2.

Here, the longitudinal direction of the filter screen 2 refers to the vertical direction after the filter screen is installed, that is, a plurality of first diversion channels 61 are arranged in the longitudinal direction, which may be an array, so as to divide the filter screen into a plurality of areas in the longitudinal direction, and each first diversion channel 61 cleans the adjacent area below the first diversion channel, which may form layered cleaning of the filter screen 2, and avoid that water flows down due to too long cleaning path, resulting in incomplete cleaning, or that water is deposited on the upper layer, resulting in the splashing of accumulated water.

As shown in fig. 11 to 14, the flow guide channel further includes a second flow guide channel 20, and the second flow guide channel 20 communicates the water receiving tank 28 with the first flow guide channel 61.

As shown in fig. 13 and 14, the first flow guide channels 61 are horizontally disposed, and the second flow guide channels 20 are vertically disposed, but the arrangement of the first flow guide channels 61 and the second flow guide channels 20 is not limited thereto, and as described above, the second flow guide channels 20 only need to communicate the adjacent first flow guide channels 61, or to communicate the water receiving tank 28 with the first flow guide channels 61 directly or indirectly. In fig. 13, the second flow guide passage 20 is shown only in a hole shape because of a plan view. Through second water conservancy diversion passageway 20's setting realizes first water conservancy diversion passageway 61 and water receiving tank 28's intercommunication makes each layer of first water conservancy diversion passageway 61 all can pass through second water conservancy diversion passageway 20 carries certain water, makes each layer of filter screen all can wash.

It should be noted that second water conservancy diversion passageway 20 has a plurality ofly, and is a plurality of second water conservancy diversion passageway 20 with the bottom of water receiving tank 28 is linked together, second water conservancy diversion passageway 20 can guarantee remain certain ponding in the water receiving tank 28, thereby guarantees to follow the profile direction of 2 cross sections of filter screen, all have ponding to flow out among all second water conservancy diversion passageways 20, can realize like this to follow the profile direction of filter screen cross section carries out more comprehensive washing to filter screen 2 near water receiving tank 28 one side.

The embodiment provides a filter screen cleaning device, which comprises any one of the filter screens 2 and a water storage device 1, wherein the water storage device is arranged on an air conditioner; a flow guide device adapted to guide water in the water storage device 1 to the flow guide channel.

The water storage device 1 may be a water adding device in an air conditioner, or may be a water storage tank installed in the air conditioner. The diversion device may include a diversion pipe 11, which is communicated with the water storage device 1 and is adapted to guide the water in the water storage device 1 to the diversion channel. Here, the guide pipe 11 may be disposed below the water storage device 1 such that a water outlet of the guide pipe is disposed above the filter screen 2, and water in the water storage device 1 flows out of the guide pipe 11 and flows toward the filter screen. Therefore, the water in the water storage device 1 is directly guided to the filter screen 2 through the guide pipe 11, and the filter screen 2 is cleaned. In addition, the diversion device may also be a water intake device, and the water intake device may draw out water from the water storage device 1 through a driving device and guide the water to the diversion channel.

The benefit that sets up like this lies in, through water storage device 1's setting stores certain water in the air conditioner, when filter screen 2 needs wash, through guiding device's setting will water among the play water installation leads to filter screen 2 takes away dust and impurity on the filter screen 2 through rivers, and the realization is right filter screen 2 washs.

The embodiment provides an air conditioner, including any above-mentioned filter screen belt cleaning device. The air conditioner has the same beneficial effects as the filter screen cleaning device, and the description is omitted.

As shown in fig. 3 and 9, a drainage tube 31 is disposed on the upper mounting seat 3, and the drainage tube 31 is communicated with a flow guide device and adapted to guide water guided by the flow guide device to the filter screen.

Here, the drainage tube 31 is communicated with the drainage tube 11, and the outlet of the drainage tube 31 may be disposed above the water receiving tank 28, or the drainage tube 31 is communicated with the water receiving tank 28, so that water flows to the water receiving tank 28 and then flows to the filter screen 2 through the water receiving tank 28; the water flowing out of the drainage tube 31 can also directly flow to the filter screen 2, so as to clean the filter screen 2. This can reduce the amount of water flowing out of the water guide pipe 11 that splashes on the area other than the water receiving tank 28.

As shown in fig. 10, a water pan 46 is disposed on the lower mounting seat 4 and adapted to collect water flowing down from the filter screen 2, and a water outlet 45 is disposed on the water pan 46.

Because filter screen 2 passes through mount pad 4 installation down, mount pad 4 is located down the below of filter screen 2, from this, through the setting of water collector 46, when water from the upper end of filter screen 2 flows down, can assemble to water collector 46. Here, a drain port 45 is provided at the bottom of the water receiving tray 46, and sewage flowing down the filter screen 2 is discharged through the drain port, and the drain port 45 is connected to a drain structure of the air conditioner, and water in the water receiving tray 46 is discharged to the outside through the drain structure.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made by those skilled in the art within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A filter screen is applied to an air conditioner and is characterized in that a flow guide channel is arranged on the filter screen (2); the flow guide channel is provided with a water outlet (62) which is communicated with the flow guide channel.

2. The filter screen according to claim 1, wherein a water receiving trough (28) is further provided on the filter screen (2), the water receiving trough (28) is located above the diversion channel, the water receiving trough (28) is adapted to collect water, and the water receiving trough (28) is communicated with the diversion channel.

3. The filter screen according to claim 2, wherein the water receiving trough (28) is provided with water leakage holes (29).

4. The screen according to claim 2, characterised in that the flow-guiding channels comprise a first flow-guiding channel (61), the projection of the first flow-guiding channel (61) in the transverse direction of the screen (2) matching the transverse cross-section of the screen (2), the water outlet (62) communicating with the first flow-guiding channel (61).

5. The screen according to claim 4, characterised in that the first flow-directing channels (61) are plural, the plural first flow-directing channels (61) being arranged in the longitudinal direction of the screen (2).

6. The screen according to claim 4, characterized in that the flow channel further comprises a second flow channel (20), the second flow channel (20) communicating the water receiving sump (28) with the first flow channel.

7. The screen according to claim 1, wherein there are a plurality of said water outlets (62).

8. A screen washing apparatus comprising the screen of any one of claims 1 to 7, and further comprising: a water storage device (1) mounted on the air conditioner; a flow guiding device adapted to guide water in the water storage device (1) to a flow guiding channel.

9. The screen washing device according to claim 8, characterized in that said deflector means comprise a flow-guide tube (11), communicating with said water storage means (1), suitable for guiding the water in said water storage means (1) to said flow-guide channel.

10. An air conditioner characterized by comprising the screen cleaning apparatus as recited in any one of claims 8 to 9.

11. Air conditioner according to claim 10, characterized in that it comprises an upper mounting (3) and a lower mounting (4), said screen (2) being mounted to the air intake of the air conditioner through said upper mounting (3) and said lower mounting (4) so that said screen (2) is located between the evaporator (5) and the casing.

12. The air conditioner according to claim 11, characterized in that a drainage tube (31) is arranged on the upper mounting seat (3), the drainage tube (31) is communicated with a flow guiding device and is suitable for guiding water guided by the flow guiding device to the filter screen.

13. Air conditioner according to claim 11, characterized in that the lower mounting (4) is provided with a water pan (46) suitable for collecting the water flowing down over the sieve (2); the water receiving tray (46) is provided with a water outlet (45) which is suitable for discharging water of the water receiving tray (46).

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