CN209819724U - Humidifying device and multi-connected air conditioning system - Google Patents

Abstract

The utility model discloses a humidifying device and a multi-connected air conditioning system, wherein, the humidifying device comprises a shell, a containing cavity is formed on the shell, and a plurality of air outlets communicated with the containing cavity are arranged on the shell; the steam generating unit is provided with a steam outlet which is correspondingly communicated with the air outlet hole; the water storage tank is communicated with the plurality of steam generation units through pipelines so as to supply water to the steam generation units. The utility model discloses a humidification device simple structure, and the realization carries out the function of humidification simultaneously to a plurality of rooms.

Description

Humidifying device and multi-connected air conditioning system

Technical Field

The utility model relates to a humidification technical field, in particular to humidification device and applied this humidification device's multiple air conditioning system.

Background

At present, the relative humidity of air is gradually reduced along with the rise of indoor temperature in the process of using the air conditioner in winter, the comfort of a room is reduced due to excessively low relative humidity, and meanwhile, the propagation of bacteria in the air is easily caused. Therefore, one may choose to purchase a humidifier or an air conditioner with a humidifying function. However, if humidification is to be performed in a plurality of rooms, it is costly to purchase an air conditioner having a humidification function for each room.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a humidification device, but aim at providing a simple structure and convenient and fast ground carry out the humidification simultaneously to a plurality of rooms.

In order to achieve the above object, the utility model provides a humidifying device, include:

the shell is provided with an accommodating cavity and an air outlet communicated with the accommodating cavity;

the water storage tank is arranged in the accommodating cavity; and

the steam generating units are arranged in the accommodating cavity, and each steam generating unit is provided with a steam outlet correspondingly communicated with the air outlet;

the water storage tank is communicated with the plurality of steam generation units through pipelines so as to supply water to the steam generation units.

Optionally, the humidifying device further comprises a control unit arranged in the accommodating cavity, the water storage tank is provided with a water storage cavity, a water inlet and a water outlet communicated with the water storage cavity, the humidifying device further comprises a water inlet valve connected to the water inlet and a water discharge valve connected to the water outlet, and the control unit is electrically connected with the water inlet valve and the water discharge valve.

Optionally, each steam generation unit includes the steam box, the pipeline is a communicating pipe, the one end of communicating pipe with the storage water tank intercommunication, global along its length direction interval of communicating pipe sets up a plurality of mount pads, each the mount pad intercommunication steam box.

Optionally, each steam box body comprises a body and communicating ends arranged at two ends of the body, wherein one communicating end is detachably connected with the mounting seat, and the other communicating end is provided with a steam outlet opposite to the air outlet.

Optionally, the humidifying device further includes a heating module disposed on the body, a liquid surface line is disposed on the outer periphery of the body, and the height of the heating module is lower than the height of the liquid surface line along the height direction of the body.

Optionally, the humidifying device further comprises a water level detection unit, and the water level detection unit is arranged in the water storage tank.

Optionally, the water level detection unit is a floating ball switch or an electrode switch.

Optionally, the housing includes a base and a cover connected to the base, the cover and the base enclose to form the accommodating cavity, and the air outlet is opened at the top of the cover.

Optionally, two parallel raised lines are convexly arranged on the surface of the base facing the cover cap, the two raised lines form a clamping groove, and the pipeline is clamped in the clamping groove.

The utility model also provides a multiple air conditioning system, including the air condensing units and with the machine in a plurality of air conditioning that the air condensing units is connected, and as above humidification device, each venthole and one of humidification device the corresponding intercommunication in the machine in the air conditioning.

The utility model discloses among the technical scheme, humidification device provides the structure protection for inner structure including the shell to it is comparatively pleasing to the eye in the outward appearance. Meanwhile, the humidifying device is provided with a water storage tank for supplying water and a plurality of steam generation units communicated with the water storage tank through pipelines, the plurality of steam generation units are provided with a plurality of steam outlets communicated with the air outlet holes, so that the humidifying device can be connected with a plurality of indoor units, the indoor units of different rooms can have a humidifying function, the plurality of indoor units of air conditioners can achieve simultaneous humidification, the humidifying efficiency is obviously improved, and the cost can be saved. In addition, the humidifying device uses a water storage tank to be communicated with the plurality of steam generation units through pipelines, has simple structure and convenient assembly, and can ensure that the water level in each steam generation unit is the same by utilizing the principle of the communicating vessel, thereby ensuring that the steam quantity of the plurality of air outlets is uniform.

Drawings

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

Fig. 1 is a schematic block diagram of a humidifying device according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the humidifying device of the present invention;

FIG. 3 is a top view of the humidifying device shown in FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an exploded view of the humidifying device shown in FIG. 2;

FIG. 6 is a schematic block diagram of an embodiment of the multi-connected air conditioning system of the present invention;

fig. 7 is a schematic structural diagram of an air conditioning indoor unit in the multi-split air conditioning system shown in fig. 6.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						100	Humidifying device	2	Water storage tank	4	Communicating pipe
1	Outer casing	2a	Water storage cavity	41	Mounting seat
						1a	Containing cavity	21	Water inlet	411	Connecting port
11	Cover cap	22	Water outlet	5	Water inlet valve
						111	Air outlet	23	Water outlet	6	Drain valve
112	First connecting hole	3	Steam generating unit	7	Water level detection unit
						113	Avoiding hole	31	Steam box	8	Gland nut
12	Base seat	311	Body	9	Control unit
						121	Surrounding edge	312	Communication terminal	200	Outdoor machine of air conditioner
122	Second connecting hole	3121	Water inlet	300	Indoor unit of air conditioner
						123	Positioning part	3122	Steam outlet	301	Machine body
124	Convex strip	313	Liquid noodle	302	Heat exchanger
						125	Clamping groove	32	Heating module

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a humidification device 100 is applied to multiple air conditioning system.

Referring to fig. 1 to 5, in the embodiment of the present invention, the humidifying device 100 includes

The shell 1 is provided with a containing cavity 1a and an air outlet hole 111 communicated with the containing cavity 1 a;

the water storage tank 2 is arranged in the accommodating cavity 1 a;

a plurality of steam generating units 3 arranged in the accommodating cavity 1a, wherein each steam generating unit 3 is provided with a steam outlet 3122, and the steam outlet 3122 is communicated with the air outlet 111;

the water storage tank 2 is communicated with the plurality of steam generation units 3 through pipelines to supply water to the steam generation units 3.

In this embodiment, the humidifying device 100 includes the housing 1 having the accommodating chamber 1a, and the housing 1 is shaped like a hollow rectangular parallelepiped, and is made of plastic or metal, so that the humidifying device is easy to process, has high structural strength, and can provide good protection for components arranged inside the housing. The humidifying device 100 may be placed on a desktop alone, or may be fixed to a wall or to an indoor unit 300 of an air conditioner.

Taking the humidifying device 100 as an example, specifically, the housing 1 includes a base 12 and a cover 11 covering the base 12, the cover 11 and the base 12 enclose the accommodating cavity 1a, and the air outlet 111 is opened at the top of the cover 11.

In this embodiment, in order to wash or maintain each steam generation unit 3 and storage water tank 2 to humidification device 100 conveniently, set up shell 1 into the components of a whole that can function independently structure of dismantling the connection, base 12 is platelike setting, conveniently fix each steam generation unit 3 and storage water tank 2, and be equipped with surrounding edge 121 in platelike periphery is protruding, shroud 11 is hollow box body, and in one end opening, make things convenient for the lid to fit on base 12, the setting of this structure is simple, and make things convenient for the dismouting, improve the convenience of wasing and maintenance. The base 12 is threaded connection with the lid 11, and a plurality of first connecting holes 112 have been seted up to the periphery of lid 11, and the second connecting hole 122 that corresponds the setting with first connecting hole 112 is seted up to the surrounding edge 121 of base 12, and the internal wall face of lid 11 is laminated mutually with the outer wall face of surrounding edge 121, uses the fastener to wear to locate first connecting hole 112 and second connecting hole 122, realizes the fastening connection between them, guarantees the stability of structure. In addition, in order to facilitate the positioning of the cover 11 and the base 12, the peripheral edge of the cover 11 and the surrounding edge 121 of the base 12 are respectively recessed with positioning portions 123, and when the positioning portions 123 of the cover 11 correspond to the positioning portions 123 of the surrounding edge 121, the cover 11 can be covered downwards, so that the accurate positioning is realized, and the assembly efficiency is improved. When the humidifying device 100 is placed on a table top, the top of the cover 11 is provided with an air outlet 111 communicated with the accommodating cavity 1a, so that steam is conveniently led out, and the air conditioner indoor unit 300 is conveniently connected.

The water storage tank 2 is approximately vertical and can be cuboid or cylinder in shape, and the water storage tank 2 is arranged to be a split structure, so that the inner wall can be conveniently disassembled and cleaned regularly. The plurality of steam generation units 3 may be arranged in an array, and each steam generation unit 3 is substantially cylindrical and vertically disposed, so that the internal structure of the humidifying device 100 may be compact, the structural stability may be effectively improved, and the occupied space may be reduced. The water storage tank 2 is provided with a water outlet 22, the water outlet 22 of the water storage tank 2 is communicated with a plurality of steam tank bodies 31 through pipelines, and by utilizing the principle of a communicating vessel, the water level in the steam tank bodies 31 is the same as that in the water storage tank 2, so that the water quantity in the steam tank bodies 31 can be ensured only by supplying water into the water storage tank 2.

The utility model discloses among the technical scheme, humidification device 100 provides the structure protection for inner structure including shell 1 to it is comparatively pleasing to the eye in the outward appearance. Meanwhile, the humidifying device 100 is provided with a water storage tank 2 for supplying water and a plurality of steam generation units 3 communicated with the water storage tank 2, the plurality of steam generation units 3 are provided with a plurality of steam outlets 3122 communicated with a plurality of air outlets 111 and can be connected with a plurality of indoor units, so that each air-conditioning indoor unit 300 can have a humidifying function, and the plurality of air-conditioning indoor units 300 can realize simultaneous humidification, thereby remarkably improving the humidifying efficiency and saving the cost. In addition, the humidifying device 100 uses a water storage tank to supply water to the plurality of steam generation units, has a simple structure, is convenient to assemble, and enables the water level in each steam generation unit to be the same.

Meanwhile, the humidifying device 100 further comprises a control unit 9 arranged in the accommodating cavity 1a, the water storage tank 2 is provided with a water storage cavity 2a, a water inlet 21 communicated with the water storage cavity 2a and a water outlet 23, the humidifying device 100 further comprises a water inlet valve 5 connected to the water inlet 21 and a water discharge valve 6 connected to the water outlet 23, and the control unit 9 is electrically connected with the water inlet valve 5 and the water discharge valve 6.

In this embodiment, the water storage tank 2 is provided with a water inlet 21 for storing water and a water outlet 23 for cleaning, the water inlet 21 is connected to a tap water pipe through a water inlet pipe, and when water needs to be supplemented, water enters the water storage tank 2 from the water inlet 21 and then flows into each steam tank body 31; when cleaning is required, the drain port 23 drains the water in the steam box 31 and the water storage tank 2 through a drain pipe. Meanwhile, a water inlet valve 5 and a water discharge valve 6 which are connected with a control unit 9 are arranged at a water inlet and a water discharge port of the water storage tank 2, the water inlet valve 5 and the water discharge valve 6 can be electromagnetic control valves, control is sensitive and convenient, and the water level in the water storage tank 2 is controlled by the water inlet valve 5. When the amount of water is too small, the control unit 9 controls to open the water inlet valve 5 to enable the water to flow into the water storage tank 2, and the water flows into each steam tank body 31 from the water outlet 22 through a pipeline, so that the intelligent operation of the humidifying device 100 is realized, the water adding and the water discharging are not required to be manually operated, the convenience and the rapidness are further realized, and the humidifying efficiency is improved.

Meanwhile, the water inlet 21 and the water outlet 23 are arranged on the same side of the water storage tank 2, and the cover 11 is provided with a communicated avoidance hole 113 corresponding to the water outlet pipe and the water inlet pipe.

In this embodiment, the water inlet 21 and the water outlet 23 are disposed at the same side of the water storage tank 2, which facilitates the connection between the water inlet pipe and the water outlet pipe, and saves space, thereby facilitating the regularity of the humidifying device 100. In order to avoid the water inlet 21 and connect the inlet tube, the outlet 23 is connected the drain pipe, the shroud 11 has been seted up and has been dodged hole 113, should dodge hole 113 and be U type or rectangle, can dodge inlet tube and drain pipe simultaneously, and conveniently locate base 12 with the downward lid of shroud 11, simultaneously, dodge hole 113 and can also carry out the spacing on vertical and the horizontal direction to storage water tank 2 to make storage water tank 2's installation more stable.

Referring to fig. 4 again, each steam generating unit 3 includes a steam box 31 and a heating module 32 installed on the steam box 31, and the control unit 9 is electrically connected to the heating module 32. The water inlet 21 is arranged at the upper part of the water storage tank 2, and the water outlet 22 and the water outlet 23 are both arranged at the lower part of the water storage tank 2.

In this embodiment, the steam box 31 is a hollow tube and is vertically arranged, and the plurality of steam boxes 31 are arranged side by side, so that the space can be effectively saved. The water introduced into the steam box 31 is heated by the plurality of heating modules 32 to generate steam, and is finally discharged from the plurality of steam outlets 3122. The control unit 9 can also be electrically connected with the heating module 32, so as to realize automatic steam generation, and a series of operations of water replenishing, humidifying and draining of the humidifying device 100 can be continuously completed, thereby further improving the humidifying efficiency. Meanwhile, the water inlet 21 is arranged at the upper part of the water storage tank 2, so that water can be conveniently fed, and excessive pressure cannot be generated in the water inlet pipe; the water outlet 23 is arranged at the lower part of the water storage tank 2, which is beneficial to draining water in the water storage tank 2 completely and avoids breeding bacteria caused by long-term accumulated water. The water outlet 22 is arranged at the lower part of the water storage tank 2, so that the function of a communicating vessel can be conveniently realized, the water level in the steam tank body 31 is ensured to be the same as the water level in the water storage tank 2, and the steam tank body 31 can be entered as long as water exists in the water storage tank 2, so that the water level can be conveniently controlled.

Referring to fig. 4 and 5, the pipeline is a communication pipe 4, one end of the communication pipe 4 is connected to the water outlet 22, a plurality of installation seats 41 are arranged on the circumferential surface of the communication pipe 4 at intervals along the length direction of the communication pipe, the installation seats 41 are installed on one installation seat 41, and each installation seat 41 is communicated with one steam box 31.

In this embodiment, in order to supply water to the plurality of steam boxes 31 at the same time and to realize the consistency of the water levels inside the plurality of steam boxes 31, a communication pipe 4 is provided, and the communication pipe 4 is communicated with both the water outlet 22 and the plurality of steam boxes 31. The communicating pipe 4 can be installed on the base 12, so that the stability of the communicating pipe 4 is improved, and the specific connection mode can be threaded connection or clamping fixation. For example, two parallel protruding strips 124 are disposed on the base 12 along the length direction thereof, the two protruding strips 124 form an elongated fastening groove 125, and the communication pipe 4 is in a long pipe shape and can be directly fastened in the fastening groove 125, so as to ensure the stability of installation and provide a stable support for the steam box 31. Specifically, the one end and the delivery port 22 intercommunication of communicating pipe 4, the other end is the encapsulated situation, be equipped with a plurality of mount pads 41 on the global of communicating pipe 4, connector 411 has been seted up to each mount pad 41, a plurality of steam box 31 of easy to assemble, and communicate with the water inlet 3121 of steam box 31, thereby make water flow in steam box 31 through communicating pipe 4, spout from steam outlet 3122 after the heating, this simple structure easy to carry out, thereby guarantee the homogeneity of the steam of each steam outlet 3122. Meanwhile, water in the steam box body 31 is supplied from bottom to top, so that water on the upper portion can be directly evaporated after being heated, energy is saved, and steam is supplied more quickly.

Optionally, each of the steam boxes 31 includes a body 311 and communication ends 312 disposed at two ends of the body 311, wherein one of the communication ends 312 is detachably connected to the mounting seat 41, and the other communication end 312 is provided with an air outlet 3122 opposite to the air outlet 111.

In this embodiment, for making things convenient for steam box 31 and communicating pipe 4 to install, steam box 31 includes body 311 and the intercommunication end 312 of locating body 311 both ends, and body 311 is hollow tubulose, and the periphery wall of intercommunication end 312 is equipped with the external screw thread, and mount pad 41 is equipped with the internal thread, and intercommunication end 312 is threaded connection with mount pad 41, with steam box 31 twist in mount pad 41 can, simple and convenient, and connection structure is stable. The other communication end 312 of the steam box 31 is the same as the communication end 312 of the connection mounting base 41, and is also provided with external threads, and the communication end 312 far away from the communication pipe 4 penetrates through the air outlet 111 of the casing 1, so that the steam can be conveniently input into the indoor air conditioner 300 after being connected with a pipeline. In addition, in order to ensure the stability of the steam box 31, the gland nut 8 is screwed on the communication end 312 penetrating out of the air outlet, and the gland nut 8 fixes the communication end 312 to the cover 11, so that the two ends of the steam box 31 are stably fixed, and the stability of the whole humidifying device 100 is ensured.

Referring to fig. 4 and 5 again, the outer periphery of the steam box 31 is provided with a liquid level line 313, the heating module 32 is arranged around the outer periphery of the steam box 31, and the height of the heating module 32 is lower than the height of the liquid level line 313 along the height direction of the steam box 31.

In this embodiment, in order to realize the uniformity that steam generation unit 3 generates steam, heating module 32 encloses the outer peripheral edge of locating steam box 31, specifically, this heating device is thick film resistor, can overlap the outer peripheral edge of locating steam box 31 to can convey the heat to inside water through steam box 31, make the heating more even. Of course, the heating module 32 may be electrode heating, infrared heating or other devices for heating water, and the heating module 32 is disposed inside the steam box 31. Simultaneously, set up liquid level line 313 in the outer peripheral edges of steam box 31 to be provided with the liquid level watch-dog, guarantee that the water level of steam box 31 is higher than liquid level line 313, and follow in the direction of height of steam box 31, the height that highly is less than liquid level line 313 of heating module 32 sets up, prevents that the water level of steam box 31 from crossing lowly, and the rate of heating module 32 is too fast, thereby leads to the phenomenon of dry combustion method to appear.

In order to better control the water level in the humidifying device 100, the humidifying device 100 further comprises a water level detecting unit 7, and the water level detecting unit 7 is arranged in the water storage cavity 2 a.

In this embodiment, a water level detection unit 7 is disposed in the water storage tank 2, the water level detection unit 7 can detect the water level in the water storage cavity 2a in real time, and set a low water level preset value and a high water level preset value, when the water level in the water storage tank 2 is lower than the low water level preset value, an alarm can be given, the water inlet valve 5 is manually controlled to feed water, and when the water level reaches the high water level preset value, the water inlet valve 5 is controlled to close, so as to prevent the steam generation unit 3 from being dry-burned or the water in the water storage tank 2 from overflowing. Certainly, the water level detection unit 7 may be electrically connected to the control unit 9, when the water level in the water storage tank 2 is lower than the preset low water level value, a water supply signal may be sent to the control unit 9, and the control unit 9 controls the water inlet valve 5 to open for water inlet; when the water level reaches the high water level preset value, the water level detection unit 7 sends a water cut-off signal to the control unit 9, and the control unit 9 controls the water inlet valve 5 to be closed, so that full-automatic operation is realized, manual operation is not needed, and the operation is more convenient and faster. If the control unit 9 or the water level detection unit 7 malfunctions, the excessive water can be discharged by controlling the discharge valve 6, thereby ensuring the normal operation of the humidifying device 100.

In an alternative embodiment, the water level detecting unit 7 is a float switch or an electrode switch. Specifically, a reed switch float switch or a water level probe switch can be selected. Of course, the water level switch may be a capacitive water level switch, a photoelectric water level switch or other water level switches, and is not limited herein.

Referring to fig. 5 to 7, the present invention further provides a multi-connected air conditioning system, which includes an outdoor unit 200, a plurality of indoor units 300 connected to the outdoor unit 200, and the humidifying device 100, wherein each of the air outlets 111 of the humidifying device 100 is correspondingly connected to one of the indoor units 300. Since the multi-connected air conditioning system adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

In this embodiment, the multi-connected air conditioning system includes an outdoor unit 200 and a plurality of indoor units 300 connected in parallel, and the plurality of indoor units 300 may be used for humidifying the same room in a centralized manner, thereby increasing the amount of humidification, or may be used for independently humidifying a plurality of rooms, which is flexible and convenient.

Specifically, the indoor unit 300 of the air conditioner includes a body 301 and a heat exchanger 302 disposed in the body 301, the body 301 is provided with an air inlet and an air outlet, and the humidifying device 100 is communicated with the body 301 through a steam conveying pipeline.

In this embodiment, the plurality of steam outlets 3122 of the humidifying device 100 are connected to the indoor unit 300 of the air conditioner through a plurality of steam delivery pipes. The steam conveying pipe can be a rubber hose, a copper pipe or a stainless steel pipe and the like, and in order to ensure the temperature of steam in the steam conveying process, a heat-insulating sleeve is sleeved on the steam conveying pipe, so that the effective conveying of the steam is ensured, the liquefaction of the steam caused by heat dissipation is avoided, and the conveying capacity of the steam is improved.

The indoor unit 300 of the air conditioner comprises a unit body 301 and a heat exchanger 302 arranged in the unit body 301, wherein the unit body 301 is provided with an air inlet and an air outlet, external air enters the unit body 301 through the air inlet, then exchanges heat through the heat exchanger 302, and is blown out through the air outlet, so that the indoor air is adjusted. Along the flow direction from the air inlet to the air outlet, the position of the steam delivery pipe in the air-conditioning indoor unit 300 can be either upstream of the heat exchanger 302 or downstream of the heat exchanger 302, so that the steam is blown out of the air outlet along with the air in the machine body 301, and the indoor air is humidified.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A humidification device, comprising:

the shell is provided with an accommodating cavity and a plurality of air outlet holes communicated with the accommodating cavity;

the water storage tank is arranged in the accommodating cavity; and

the steam generating units are arranged in the accommodating cavity, and each steam generating unit is provided with a steam outlet correspondingly communicated with the air outlet;

the water storage tank is communicated with the plurality of steam generation units through pipelines so as to supply water to the steam generation units.

2. The humidifying device according to claim 1, further comprising a control unit disposed in the accommodating chamber, wherein the water storage tank has a water storage chamber, and a water inlet and a water outlet communicated with the water storage chamber, the humidifying device further comprises a water inlet valve connected to the water inlet and a water discharge valve connected to the water discharge port, and the control unit is electrically connected to both the water inlet valve and the water discharge valve.

3. The humidifying device as claimed in claim 2, wherein each steam generating unit comprises a steam tank, the pipeline is a communicating pipe, one end of the communicating pipe is communicated with the water storage tank, a plurality of mounting seats are arranged on the circumferential surface of the communicating pipe at intervals along the length direction, and each mounting seat is communicated with one steam tank.

4. The humidifying device as claimed in claim 3, wherein each of the steam boxes comprises a body and communicating ends disposed at two ends of the body, wherein one of the communicating ends is detachably connected to the mounting seat, and the other communicating end is provided with the steam outlet opposite to the air outlet.

5. The humidification apparatus as claimed in claim 4, wherein the steam generation unit further comprises a heating module provided to the body, a liquid surface line is provided on an outer peripheral edge of the body, and a height of the heating module in a height direction of the body is lower than a height of the liquid surface line.

6. The humidifying device according to any one of claims 1 to 5, further comprising a water level detection unit provided in the water storage tank.

7. The humidifying device as claimed in claim 6, wherein the water level detecting unit is a float switch or an electrode switch.

8. The humidifying device according to any one of claims 1 to 5, wherein the housing comprises a base and a cover connected to the base, the cover and the base enclosing a housing chamber, and the air outlet is opened at the top of the cover.

9. The humidifying device as claimed in claim 8, wherein two parallel ribs are protruded from a surface of the base facing the cover, the two ribs form a locking groove, and the pipeline is locked in the locking groove.

10. A multi-connected air conditioning system, comprising an outdoor unit, a plurality of indoor units connected to the outdoor unit, and the humidifying device as claimed in any one of claims 1 to 9, wherein each outlet of the humidifying device is correspondingly connected to one of the indoor units.