CN220669760U - Water receiving device and air conditioning equipment - Google Patents

Abstract

The application provides a water collector and air conditioning equipment, this water collector includes first water collector, second water collector and water tank, and the water tank includes first box, and the second box of being connected with the upper portion of first box one side, second box and first box intercommunication, and the second box is located to first water collector, and the upper portion of first box is located to the bottom of second water collector, and first water collector and second water collector communicate with first box inside respectively. According to the water tank water supply and drainage device, the first water receiving disc and the second water receiving disc which are mutually independent are arranged, the two water receiving discs can be used for receiving water of different parts respectively, the water after receiving water respectively flows into the water tank, water can be added into the water tank, water drainage can be smoothly carried out, and the high reliability of the air conditioning equipment in the aspect of humidity control and the maintainability of the equipment are improved.

Description

Water receiving device and air conditioning equipment

Technical Field

The application relates to the technical field of air conditioners, in particular to a water receiving device and air conditioning equipment.

Background

In order to prevent electronic devices from being damaged due to static electricity generated and existing in the data center, the data center has strict requirements on the temperature and humidity of a machine room. Nowadays, in order to meet the energy-saving requirement, a data center mostly adopts a high air return working condition, and a natural cooling or high water temperature chilled water system is configured to control the temperature of a machine room. However, such end air conditioners do not have humidity control capabilities and cannot meet the increasing humidity control demands of data centers. Therefore, the data center needs to be additionally provided with humidity control equipment to maintain humidity stability in the machine room. The reliability of the humidity control device is extremely important, especially in the aspects of water inlet and water discharge of the unit. Because of the pressure difference between the front and the back of the wet film and the heat exchanger, the wet film circulating water and the dehumidifying condensed water are wrapped and clamped by the air flow, the water tank is not smoothly discharged, the problems of water blowing, bubbling and the like are caused, and potential safety hazards are brought to surrounding electronic devices.

Disclosure of Invention

In view of this, this application provides a water receiving device and air conditioning equipment, aims at effectively solving the unsmooth problem of water tank drainage.

The application provides a water collector, including first water collector, second water collector and water tank, the water tank include first box, and with the second box that the upper portion of first box one side is connected, the second box with first box intercommunication, first water collector is located the second box, the bottom of second water collector is located the upper portion of first box, just first water collector with second water collector respectively with the inside intercommunication of first box.

In an embodiment, the first water receiving disc is arranged on the second box body and extends to the upper part of the first box body partially, a first drain hole is formed in the bottom of the first water receiving disc, a second drain hole is formed in the bottom of the second water receiving disc, and a third drain hole is formed in the bottom of the first box body; the first water receiving disc and the second water receiving disc are communicated with the inside of the first box body through the first drain hole and the second drain hole respectively.

In an embodiment, the first water-receiving tray and the second water-receiving tray are arranged in parallel at intervals along the width direction, the first water-receiving tray comprises a first bottom plate and first folded edges connected to two opposite sides of the first bottom plate and extending upwards, and the two first folded edges are used for limiting the width of the first water-receiving tray; alternatively, the two first folding edges are respectively inclined outwards relative to the first bottom plate.

In an embodiment, an interlayer is arranged in the first water receiving disc, an interval space is formed between the interlayer and the first bottom plate, a plurality of water draining holes are formed in the interlayer, and the first water draining holes are formed in the first bottom plate.

In an embodiment, the second water receiving tray comprises a second bottom plate, and a second folded edge, a first turned edge and a second turned edge which are respectively connected with the second bottom plate; the second flange is arranged on one side of the second water receiving disc in the width direction, and the first flange and the second flange are respectively arranged on two sides of the second water receiving disc in the length direction; the second flange is connected to one side of the second bottom plate, which is close to the first water receiving disc, and extends upwards relative to the second bottom plate; the first flange and the second flange extend upwards relative to the second bottom plate and are used for installing and fixing the second water receiving disc on the upper portion of the first box body.

In an embodiment, the second water-receiving tray is further provided with a extension edge connected with the second bottom plate, the extension edge is connected to one side, away from the first water-receiving tray, of the second bottom plate and extends obliquely downwards relative to the second bottom plate, and the extension edge covers at least half of the distance between the second water-receiving tray and the side wall, away from the second box, of the first box.

In an embodiment, the upper end of the side wall of the first box body far away from the second box body is further provided with a third folded edge bent towards the direction of the second box body.

In an embodiment, a pressure equalizing device is arranged in the first box body, and the first drain hole and the second drain hole are communicated with the interior of the pressure equalizing device.

In an embodiment, the pressure equalizing device comprises a pressure equalizing plate and a mesh structure arranged on the pressure equalizing plate, at least two adjacent side walls of the pressure equalizing plate and the first box body enclose to form a square box body, and the first drain hole and the second drain hole are communicated with the inside of the square box body.

The application also provides air conditioning equipment, including wet film, heat exchanger and water collector as above, wherein, first water collector is located wet film below, the second water collector is located the heat exchanger below.

To sum up, the application provides a water collector and air conditioning equipment, this water collector includes first water collector, second water collector and water tank, and the water tank includes first box, and the second box of being connected with the upper portion of first box one side, second box and first box intercommunication, and first water collector is located the second box, and the upper portion of first box is located to the bottom of second water collector, and first water collector and second water collector communicate with first box is inside respectively. According to the water tank water supply and drainage device, the first water receiving disc and the second water receiving disc which are mutually independent are arranged, the two water receiving discs can be used for receiving water of different parts respectively, the water after receiving water respectively flows into the water tank, water can be added into the water tank, water drainage can be smoothly carried out, and the high reliability of the air conditioning equipment in the aspect of humidity control and the maintainability of the equipment are improved.

Drawings

Fig. 1 is a perspective view of an exemplary water receiving device of the present application.

Fig. 2 is a perspective view of the water tank of fig. 1 at an angle.

Fig. 3 is a perspective view of the water tank of fig. 1 at another angle.

Fig. 4 is a schematic perspective view of the pressure equalizing device in fig. 2.

Fig. 5 is a side view of an exemplary air conditioning apparatus of the present application.

Fig. 6 is an enlarged schematic view of the portion a in fig. 5.

Fig. 7 is an enlarged schematic view of the portion B in fig. 5.

Detailed Description

Before the embodiments are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The present application may be embodied in other ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of the terms "comprising," "including," "having," and the like are intended to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present application does not limit the number of the element to one, but may include a plurality of the elements.

As shown in fig. 1-3, the present application provides a water receiving device 11, which water receiving device 11 may be applied to an air conditioning device such as an air conditioning device 10, wherein the air conditioning device may be a humidity control device or a temperature control device. Specifically, the water receiving device 11 includes a first water receiving tray 22, a second water receiving tray 24 and a water tank 20, wherein the water tank 20 includes a first tank 36 and a second tank 38 connected to an upper portion of one side of the first tank 36, the second tank 38 is communicated with the first tank 36, the first water receiving tray 22 is disposed in the second tank 38, a bottom portion of the second water receiving tray 24 is disposed in an upper portion of the first tank 36, and the first water receiving tray 22 and the second water receiving tray 24 are respectively communicated with an inside of the first tank 36. Through setting up mutually independent first water collector 22 and second water collector 24, two water collectors can be used for the water collector of different parts respectively, and water collector back flows into water tank 20 respectively for water tank 20 water feeding, drainage can go on smoothly.

As shown in fig. 5, the present application further provides an air conditioning apparatus 10 that may be used to regulate air humidity in an environment such as a machine room data center using a water-cooled temperature control system. The air conditioning apparatus 10 includes a housing 12, a humidification unit 14, a heat exchange unit 16, a water treatment system, an electric cabinet, and a fan 18 disposed within the housing 12. The water treatment system includes a water pump assembly and a water receiving device 11, the humidifying unit 14 is, for example, a wet film, the heat exchanging unit 16 is, for example, a heat exchanger configured with a compressor, the first water receiving tray 22 is used for installing the humidifying unit 14 and collecting circulating water of the humidifying unit 14, the second water receiving tray 24 is used for collecting condensed water generated on the outer surface of the heat exchanging unit 16, the first water receiving tray 22 and the second water receiving tray 24 are respectively communicated with the water tank 20 so as to drain the water collected in the first water receiving tray 22 and the second water receiving tray 24 into the water tank 20, and the water pump assembly is used for pumping water in the water tank 20 to the humidifying unit 14. Through setting up mutually independent first water collector 22 and second water collector 24 for water tank 20 adds water, drainage can go on smoothly, humidification unit 14 and heat transfer unit 16 can be dismantled and maintained alone and whole unit structure is not influenced simultaneously, demolish the back through the water collector, can carry out positive maintenance to water tank 20, improves humidity control's high reliability and device's maintainability.

In the illustrated embodiment, the housing 12 has a mounting cavity 26 formed therein, the blower 18 is disposed at a top of the mounting cavity 26, for example, a partition 28 is disposed at a top side of the mounting cavity 26, the partition 28 divides the mounting cavity 26 into an upper portion and a lower portion, the blower 18 is disposed at an upper portion of the mounting cavity 26, and the humidifying unit 14, the heat exchanging unit 16, the water treatment system, and the electric cabinet are disposed at a lower portion of the mounting cavity 26. The casing 12 includes a side end plate, on which an air inlet hole and an air outlet hole are provided, the air inlet hole may be disposed in a region of the side end plate corresponding to a lower portion of the installation cavity 26, the air outlet hole may be disposed in a region of the side end plate corresponding to an upper portion of the installation cavity 26, an air flow field generated by operation of the fan 18 forms an air flow channel between the air inlet hole and the air outlet hole, and the humidifying unit 14 and the heat exchange unit 16 are both disposed on a path of the air flow channel. The outside air enters the installation cavity 26 through the air inlet hole and can be humidified by the humidifying unit 14 or dehumidified by the heat exchange unit 16, and the humidified or dehumidified air is blown out of the air outlet hole through the air flow channel, so that the air humidity adjustment control of the outside space is realized, and the humidifying or dehumidifying effect is achieved.

In this embodiment, the humidifying unit 14 and the heat exchanging unit 16 are both located below the blower 18, wherein the humidifying unit 14 is located between the heat exchanging unit 16 and the side end plate, i.e. the humidifying unit 14 is located at the side close to the air inlet.

The water pump assembly includes a water pump 30, a connecting pipe 32 and a shower head 34, the shower head 34 is disposed above the humidification unit 14 to spray water onto the humidification unit, the connecting pipe 32 is connected between the water tank 20 and the shower head 34, and the water pump 30 is disposed on the connecting pipe 32 to pump water from the water tank 20 to the shower head 34.

Referring to fig. 6 and 7, the water tank 20 includes a first tank 36 and a second tank 38 extending outwardly from an upper side of one side of the first tank 36, wherein the first tank 36 communicates with an interior of the second tank 38. The first water-receiving tray 22 is disposed in the second box 38 and partially extends to the upper portion of the first box 36, the second water-receiving tray 24 is disposed on the upper portion of the first box 36, and the first water-receiving tray 22 and the second water-receiving tray 24 are respectively communicated with the interior of the first box 36. The humidifying unit 14 is arranged above the first water receiving tray 22, and the heat exchanging unit 16 is arranged above the second water receiving tray 24.

Wherein, humidification unit 14 and heat exchange unit 16 are all mutually independent in the aspects such as water adding, drainage and dismouting maintenance, can not influence other structures of unit when carrying out dismouting maintenance to humidification unit 14 and heat exchange unit 16 alone. The humidifying unit 14 is placed on the first water receiving disc 22, so that the water which is not completely evaporated by the humidifying unit 14 directly flows into the first water receiving disc 22; the heat exchange unit 16 is placed on the second water receiving tray 24, so that condensed water generated on the outer surface of the heat exchange unit 16 in the heat exchange process directly flows into the second water receiving tray 24.

If the unit does not humidify for a long time or does not run for a long time, water in the water tank is discharged in time, so that bacteria and scaling are prevented from breeding. Somebody designed the water tank cleaning function, humidification operating time reached a certain settlement time, and the drain valve was opened and is discharged, and the water tank's wash port is located the water tank bottom generally, and rivers are more turbulent during the drainage, cause the vortex easily, lead to the drainage unsmooth. The utility model discloses a voltage-sharing device has been designed, can slow down water velocity through voltage-sharing device, avoids vortex phenomenon, also can separate the dirt simultaneously.

Specifically, referring to fig. 2 and 5, the water treatment system further includes a pressure equalizing device 44, a third drain hole 46 is disposed at the bottom of the first tank 36, one end of the connecting pipe 32 is connected to the third drain hole 46, and the pressure equalizing device 44 is disposed on the top side of the third drain hole 46. More specifically, the first water-receiving tray 22 is disposed in the second box 38 and extends partially to the upper portion of the first box 36, a first drain hole 48 is disposed at the bottom of the area of the first water-receiving tray 22 corresponding to the first box 36, a second drain hole 50 is disposed at the bottom of the second water-receiving tray 24, and the first water-receiving tray 22 and the second water-receiving tray 24 are respectively communicated with the interior of the first box 36 through the first drain hole 48 and the second drain hole 50. The pressure equalizing device 44 is disposed at the bottom sides of the first drain hole 48 and the second drain hole 50 and is fixed at the upper ends of the corresponding corner side walls of the first tank 36, so that the first drain hole 48 and the second drain hole 50 are both located in the pressure equalizing device 44, and the water discharged from the first drain hole 48 and the second drain hole 50 can directly flow into the pressure equalizing device 44 and then be discharged into the first tank 36 through the pressure equalizing device 44.

In this embodiment, as shown in fig. 4, the pressure equalizing device 44 includes a pressure equalizing plate 52 and a mesh structure 54 disposed on the pressure equalizing plate 52, at least two adjacent side walls of the pressure equalizing plate 52 and the first tank 36 enclose a square tank, and the first drain hole 48 and the second drain hole 50 are both communicated with the inside of the square tank. Wherein, the equalizing plate 52 comprises three plates which are adjacent to each other and perpendicular to each other, the equalizing plate 52 and two adjacent side walls of the first box 36 enclose a square box with an upward opening, and the first water drain hole 48 and the second water drain hole 50 are both communicated with the interior of the square box, so that water in the equalizing device 44 can be discharged into the first box 36 through the mesh structure 54 after equalizing pressure; alternatively, the equalizing plate 52 includes an L-shaped plate that is adjacent to and perpendicular to each other, and the equalizing plate 52 encloses a square box with an upward opening with two adjacent side walls and bottom of the first box 36, and the first drainage hole 48 and the second drainage hole 50 are both communicated with the square box, so that the water in the equalizing device 44 can be discharged into the first box 36 through the mesh structure 54 after the water is equalized; the mesh structure 54 may be configured as a through hole on the equalizing plate 52, and the size and height of the through hole may be set according to practical situations, which is related to the water flow of the two water receiving discs and the sizes of the equalizing plate 52 and the first box 36. In other embodiments, the pressure equalizing device 44 may have other structures for equalizing pressure and avoiding vortex, so long as the functions of slowing down the water flow, avoiding vortex phenomenon, blocking dirt, etc. can be achieved.

The humidifying unit 14 inevitably causes the precipitation of impurities in the water tank 20 during the humidifying process, in order to prevent the impurities from flowing into the water pump 30 through the drain hole 46 at the bottom of the water tank 20, from being accumulated in the water pump 30 to burn the water pump 30, the height of the end hole of the third drain hole 46 at the inner portion of the first tank 36 may be set to be a certain distance higher than the bottom plate of the first tank 36, thereby preventing the impurities from entering the third drain hole 46. It should be appreciated that other designs of devices and apparatus that prevent the flow of impurities into the downstream components by increasing the height of the third drain hole 46 within the tank 20 are within the scope of the present application.

Specifically, the first water-receiving tray 22 and the second water-receiving tray 24 are arranged in parallel along the width direction of the water tank 20, the first water-receiving tray 22 includes a first bottom plate 56 and first folded edges 58 connected to opposite ends of the first bottom plate 56 and extending upward, the first bottom plate 56 covers the entire second tank 38, and the two first folded edges 58 are used for limiting the width of the first water-receiving tray 22. Two first folds 58 are located in the direction of the separation of the first and second water-receiving pans 22, 24, with one first fold 58 being located against the inner wall of the second box 38 and the other first fold 58 being located at the upper portion of the first box 36. The first water receiving tray 22 is detachably fixed with the second box 38, for example, by means of screws, etc., the first bottom plate 56, the two first folded edges 58 and the inner wall of the second box 38 are surrounded to form a groove structure for containing circulating water of the humidifying unit 14, the two first folded edges 58 are designed to be convenient for installing the humidifying unit 14 and containing circulating water of the humidifying unit 14, and in addition, only the two first folded edges 58 are provided, so that the humidifying unit 14 can be conveniently detached, maintained and replaced.

Preferably, the two first flaps 58 are each inclined outwardly relative to the first bottom panel 56 such that the distance between the bottom ends of the two first flaps 58 is less than the distance between the top ends. Thus, the water collecting area can be increased, and the water receiving rate of the first water receiving tray 22 can be improved.

Further, an interlayer 23 is further provided in the groove structure of the first water receiving tray 22, the humidifying unit 14 is placed on the interlayer 23, an interval space 25 is formed between the interlayer 23 and the first bottom plate 56 of the first water receiving tray 22, a plurality of water draining holes 27 are provided on the interlayer 23, and the first water draining holes 48 are provided on the first bottom plate 56. Because the water flow of the humidifying unit 14 is larger, the circulating water of the humidifying unit 14 falls onto the interlayer 23 firstly, then flows into the interval space 25 through the water drain holes 27, finally is discharged into the pressure equalizing device 44 through the first water drain holes 48, and is discharged into the first box 36 after pressure equalizing treatment. The sandwich design of the first water receiving tray 22 can further slow down the water flow speed, and increase the smoothness of water forcing and draining.

The second water-receiving tray 24 includes a second bottom plate 60, and a second flange 62, a first flange 66 and a second flange 67 connected with the second bottom plate 60, respectively, wherein the second flange 62 is disposed on one side of the second water-receiving tray 24 in the width direction, and the first flange 66 and the second flange 67 are disposed on two sides of the second water-receiving tray 24 in the length direction, respectively. The second flange 62 is connected to a side of the second bottom plate 60 near the first water receiving tray 22 and extends upward relative to the second bottom plate 60, and the first flange 66 and the second flange 67 both extend upward relative to the second bottom plate 60 and are used for mounting and fixing the second water receiving tray 24 on the upper portion of the first box 36. The first flange 66 and the second flange 67 are, for example, L-shaped flanges, and the first flange 66 and the second flange 67 can be attached to and hung on the side wall of the first box 36, and can be detachably mounted by means of screw fixation or the like.

The second water-receiving tray 24 further includes a extension 64 connected to the second bottom plate 60, the extension 64 is connected to a side of the second bottom plate 60 away from the first water-receiving tray 22 and extends obliquely downward with respect to the second bottom plate 60, and the extension 64 covers at least half of a distance between the second water-receiving tray 24 and a side wall of the first container 36 away from the second container 38. The extension edge 64 extends along the wind direction, so that the water tank 20 is prevented from being blown backwards due to uneven local wind speed, and water in the water tank 20 is sequentially blown out. In other embodiments, the extension 64 may cover the entire space between the second drip tray 24 and the side wall of the first tank 36 remote from the second tank 38, with all of the condensate flowing from the second drain hole 50 into the tank 20; the extension 64 may also cover a portion of the space between the second drip tray 24 and the side wall of the first housing 36 remote from the second housing 38, and may reverse the flow of air while receiving water droplets entrained in the air.

In order to increase the structural strength of the water tank 20 and avoid bending and deformation of the side plate of the water tank 20 caused by overlong single-side length, the water tank 20 is made of sheet metal parts, the upper end of the side wall of the first tank body 36 away from the second tank body 38 is further provided with a third folded edge 68 bent towards the direction of the second tank body 38, and the third folded edge 68 is perpendicular to the side wall of the water tank 20, for example.

In this application, can set up the side end plate to dismantling or rotatable opening etc. be convenient for unit internal component maintenance. In particular, the humidifying unit 14 is independently arranged adjacent to the side end plate, so that the humidifying unit 14 can be independently dismantled without affecting other structures of the unit, and after the humidifying unit 14 is dismantled, the water tank 20 can be maintained in front, so that the maintenance and replacement of the internal structure of the water tank 20 are facilitated, and the structure is simple, convenient and operable.

In the humidification mode, the heat exchange unit 16 does not work, external air enters the air flow channel from the air inlet, the fan 18 operates to enable the area where the humidification unit 14 is located to be in a negative pressure state, air is attracted to flow to the humidification unit 14 to form humid air with higher humidity, moisture which is not evaporated completely on the humidification unit 14 slides onto the interlayer 23 in the first water receiving disc 22, flows into the interval space 25 through the water outlet 27 on the interlayer 23, is discharged into the pressure equalizing device 44 through the first water outlet 48 to be subjected to pressure equalizing treatment, and the water after pressure equalizing treatment is discharged into the first box 36 of the water tank 20 through the mesh structure 54 of the pressure equalizing device 44, so that the phenomenon that water is not smoothly discharged due to water storage in the first water receiving disc 22 is avoided, and the humid air is attracted by the fan 18 to flow to the air outlet along the air flow channel and is discharged to the external space, so that the humidifying effect is achieved.

In the dehumidification mode, the humidification unit 14 and the spraying device thereof do not work, external air enters the airflow channel from the air inlet hole and then flows to the evaporator of the heat exchange unit 16, the liquid refrigerant medium in the evaporator encounters hot air gasification and absorbs heat of the air to dehumidify the same, at the moment, partial wet steam is condensed into water on the hydrophilic fins, the water after being gathered slides into the second water receiving tray 24 under the action of gravity, the water in the second water receiving tray 24 can be quickly discharged through the second water discharge hole 50 and the inclined downward extension 62, the water in the second water receiving tray 24 is prevented from being stored in the second water receiving tray 24 to cause unsmooth water discharge, the water discharged through the second water discharge hole 50 enters the pressure equalizing device 44 to be subjected to pressure equalizing treatment, the water after pressure equalizing treatment is discharged into the first box 36 of the water tank 20 through the mesh structure 54 of the pressure equalizing device 44, and the dehumidified air flows into the external space from the air outlet hole through the air flow channel to achieve the dehumidification effect.

To sum up, the application provides a water collector and air conditioning equipment, this water collector includes first water collector, second water collector and water tank, and the water tank includes first box, and the second box of being connected with the upper portion of first box one side, second box and first box intercommunication, and first water collector is located the second box, and the upper portion of first box is located to the bottom of second water collector, and first water collector and second water collector communicate with first box is inside respectively. According to the water tank water supply and drainage device, the first water receiving disc and the second water receiving disc which are mutually independent are arranged, the two water receiving discs can be used for receiving water of different parts respectively, the water after receiving water respectively flows into the water tank, water can be added into the water tank, water drainage can be smoothly carried out, and the high reliability of the air conditioning equipment in the aspect of humidity control and the maintainability of the equipment are improved.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed are illustrative and not restrictive. The scope of the application is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The utility model provides a water collector, its characterized in that, includes first water collector, second water collector and water tank, the water tank include first box, and with the second box that the upper portion of first box one side is connected, the second box with first box intercommunication, first water collector is located the second box, the bottom of second water collector is located the upper portion of first box, just first water collector with second water collector respectively with the inside intercommunication of first box.

2. The water receiving device according to claim 1, wherein the first water receiving tray is arranged on the second box body and extends to the upper part of the first box body partially, a first drain hole is arranged at the bottom of the first water receiving tray, a second drain hole is arranged at the bottom of the second water receiving tray, and a third drain hole is arranged at the bottom of the first box body; the first water receiving disc and the second water receiving disc are communicated with the inside of the first box body through the first drain hole and the second drain hole respectively.

3. The water receiving device according to claim 2, wherein the first water receiving tray and the second water receiving tray are arranged in parallel at intervals along the width direction thereof, the first water receiving tray comprises a first bottom plate and first folded edges connected to two opposite sides of the first bottom plate and extending upwards, and the two first folded edges are used for limiting the width of the first water receiving tray; alternatively, the two first folding edges are respectively inclined outwards relative to the first bottom plate.

4. The water receiving device according to claim 3, wherein an interlayer is arranged in the first water receiving disc, an interval space is formed between the interlayer and the first bottom plate, a plurality of water draining holes are formed in the interlayer, and the first water draining holes are formed in the first bottom plate.

5. The water-holding device of claim 3, wherein the second water-holding tray comprises a second bottom plate, and a second flange, a first flange and a second flange respectively connected with the second bottom plate; the second flange is arranged on one side of the second water receiving disc in the width direction, and the first flange and the second flange are respectively arranged on two sides of the second water receiving disc in the length direction; the second flange is connected to one side of the second bottom plate, which is close to the first water receiving disc, and extends upwards relative to the second bottom plate; the first flange and the second flange extend upwards relative to the second bottom plate and are used for installing and fixing the second water receiving disc on the upper portion of the first box body.

6. The water-holding device of claim 5, wherein the second water-holding tray further comprises a flange connected to the second bottom plate, the flange being connected to a side of the second bottom plate away from the first water-holding tray and extending obliquely downward relative to the second bottom plate, the flange covering at least half of a distance between the second water-holding tray and a side wall of the first container away from the second container.

7. The water receiving device of claim 5, wherein the upper end of the side wall of the first case, which is far from the second case, is further provided with a third folded edge bent toward the direction of the second case.

8. The water receiving device according to any one of claims 2 to 7, wherein a pressure equalizing device is provided in the first tank, and the first drain hole and the second drain hole are communicated with the inside of the pressure equalizing device.

9. The water receiving device according to claim 8, wherein the pressure equalizing device comprises a pressure equalizing plate and a mesh structure arranged on the pressure equalizing plate, at least two adjacent side walls of the pressure equalizing plate and the first box body enclose a square box body, and the first drain hole and the second drain hole are both communicated with the inner part of the square box body.

10. An air conditioning apparatus comprising a wet film, a heat exchanger, and a water receiving device according to any one of claims 1 to 9, wherein the first water receiving tray is disposed below the wet film, and the second water receiving tray is disposed below the heat exchanger.