WO2018076461A1

WO2018076461A1 - Waterless humidifying air conditioner and humidifying method

Info

Publication number: WO2018076461A1
Application number: PCT/CN2016/108683
Authority: WO
Inventors: 徐航; 宋分平; 赵方亮; 刘军; 彭杰林
Original assignee: 广东美的制冷设备有限公司; 美的集团股份有限公司
Priority date: 2016-10-31
Filing date: 2016-12-06
Publication date: 2018-05-03
Also published as: CN106440049A

Abstract

A waterless humidifying air conditioner comprising: a refrigerant circuit, which comprises a compressor (3), an indoor heat exchanger (13), a throttling apparatus (7), and an outdoor heat exchanger (2), the compressor (3) being connected respectively to the indoor heat exchanger (13) and to the outdoor heat exchanger (2) via a directional valve (4); a humidifying module (22) and a humidifying fan (10) for supplying air to the humidifying module (22), the humidifying module (22) being provided with an air inlet, a hygroscopic material chamber (23), and an air outlet connected in series, and a hygroscopic material (12) being filled in the hygroscopic material chamber (23). The air outlet is connected to an indoor unit (5) via a humidifying pipe (8). A heating pipe (11) is connected in parallel between an outlet pipe and an inlet pipe of the compressor (3). The heating pipe (11) is inserted into the hygroscopic material (12) and used for selectively heating the hygroscopic material (12). Also disclosed is a humidifying method.

Description

Waterless humidifying air conditioner and humidifying method

cross reference

The present application claims the benefit of priority to the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the present disclosure.

Technical field

The invention relates to the technical field of air conditioners, in particular to a waterless humidifying air conditioner and a humidifying method.

Background technique

Humidity, cleanliness, and temperature are three important indicators for measuring room comfort. Of these three factors, humidity is often overlooked. In fact, the effect of humidity on human health is very important. For example, if the humidity is too low, the air is dry, it is easy for people to cough, while in a house with excessive humidity for a long time, the human body is prone to rheumatism. Therefore, users in the air conditioning work process It is easy to feel uncomfortable because the room humidity is too large or too small, so the humidity adjustment must be appropriate.

Through the search of the existing dehumidification air-conditioning technology, it can be found that Daikin has an invention patent of the application number CN00801528.7, entitled "Air-conditioner with humidification function", using a rotary humidification device, and the inside of the runner is filled with zeolite molecular sieve material for Adsorbing the moisture of the outside air onto the sorbent body and thereby releasing the moisture from the sorbent body and then supplying the moisture to the household to achieve the function of humidifying, the device can realize the room non-humidification function and improve the thermal comfort of the room, but the device The structure is complicated, the cost is high, and the running parts (rotating wheels) have poor system reliability.

Summary of the invention

(1) Technical problems to be solved

The object of the present invention is to provide a waterless humidifying air conditioner with simple structure and high reliability to solve the problem of air drying in a room caused by air conditioning heating, so as to improve room comfort.

(2) Technical plan

In order to solve the above technical problems, the present invention provides a waterless humidifying air conditioner including a refrigerant circuit including a compressor connected through a pipeline, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger, wherein The compressor is respectively connected to the indoor heat exchanger and the outdoor heat exchanger through a reversing valve, wherein the indoor heat exchanger is disposed in an indoor unit, and the outdoor heat exchanger is disposed in the outdoor unit, and further The humidification module includes a humidifying fan and a humidifying fan for supplying air to the humidifying module, wherein the humidifying module is provided with an air inlet, a moisture absorbing material chamber and an air outlet, which are sequentially connected, and the moisture absorbing material chamber is provided with a air duct, and the side of the air duct The wall is provided with a moisture absorbing material, and the air outlet is connected to the indoor unit through a humidifying pipeline;

A heating tube is connected in parallel between the outlet line and the inlet line of the compressor, and the heating tube is inserted into the moisture absorbing material for selectively heating the moisture absorbing material.

Wherein the pipeline between the outdoor heat exchanger and the throttling device may be connected in series with a condenser, the condenser is inserted into the moisture absorbing material chamber, and the condenser is at least partially exposed to the wind In the middle.

Wherein the pipeline between the outdoor heat exchanger and the throttling device may be connected in parallel with a condenser, the condenser is inserted into the moisture absorbing material chamber, and the condenser is at least partially exposed to the wind In the middle.

Wherein, an exhaust line may be further included, and the exhaust line is connected to the humidification line, and a switching valve is provided at the connection for selectively conducting the humidification line and the exhaust line.

An air guiding chamber is disposed between the air inlet and the moisture absorbing material chamber, and the humidifying fan is disposed between the air inlet and the air guiding chamber.

Wherein, a filter net is arranged at the air inlet.

Wherein, the heating tube is arranged in a serpentine shape in the hygroscopic material.

Wherein, the inlet pipe and the outlet pipe of the heating pipe are respectively provided with regulating valves.

Wherein the portion of the condenser that exposes the humidifying module is sleeved with a heat insulating tube.

Wherein the absorbent material chamber is located above the moisture absorbing material leaving a space which forms the air duct.

The humidification module is fixed to the outdoor unit by a fixture.

The present invention also provides a humidifying method using the above-described anhydrous humidifying air conditioner, A moisture absorption control mode and a humidification control mode may be included;

The moisture absorption control mode includes:

The heating pipe is closed, the outdoor air enters the moisture absorbing material chamber from the air inlet, and the moisture absorbing material absorbs the moisture in the outdoor air;

The humidification control mode includes:

Get room humidity;

When the humidity of the room is lower than the set humidity value, the heating pipe opens the heating moisture absorbing material to decompose and absorb the water in the moisture absorbing material, and the outdoor air enters the moisture absorbing material chamber to absorb the moisture desorbed by the moisture absorbing material, so that the humidity of the outdoor air increases;

The humidified outdoor air is sent to the indoor unit using a humidifying fan.

(3) Beneficial effects

Compared with the prior art, the present invention has the following advantages:

The invention provides a waterless humidifying air conditioner and a humidifying method, wherein the waterless humidifying air conditioner can effectively switch between the moisture absorption and humidification modes by providing the humidifying module and the humidifying fan described above, and has a simple structure and strong operability; By heating the tubes in parallel in the refrigerant circuit, the high-temperature high-pressure refrigerant gas compressed by the compressor passes through the heating pipe to heat the moisture absorbing material, thereby making full use of the energy of the air conditioning system itself without consuming external resources.

The invention can effectively control the humidity of the room during heating, and can humidify the room when the room air is dry in winter to ensure that the room air is in a reasonable humidity range.

DRAWINGS

1 is a top plan view of a waterless humidifying air conditioner of the present invention;

2 is a top plan view of a first embodiment of a waterless humidifying air conditioner according to the present invention;

3 is a top plan view of a second embodiment of a waterless humidifying air conditioner according to the present invention;

Figure 4 is a cross-sectional view taken along line A-A of Figures 2 and 3;

In the figure: 1: outdoor unit; 2: outdoor heat exchanger; 3: compressor; 4: reversing valve; 5: indoor unit; 6: cross-flow fan; 7: throttling device; 8: humidifying pipe; : outdoor unit fan; 10: humidifying fan; 11: heating tube; 12: hygroscopic material; 13: indoor heat exchanger; Condenser exposed part; 15: retainer; 16: switch valve; 17: heat preservation pipe; 18: filter net; 19: air induction chamber; 20: air duct; 21: air bypass line; 22: humidification module; : moisture absorbing material chamber; 24: condenser; 25, 26, 27: regulating valve.

detailed description

The specific embodiments of the present invention are further described in detail below with reference to the drawings and embodiments. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", " The orientation or positional relationship of the indications of "upright", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for convenience of description of the present invention and simplification. It is to be understood that the invention is not to be construed as a limitation

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

As shown in FIG. 1 , a waterless humidifying air conditioner provided by the present invention includes a refrigerant circuit including a compressor 3 connected through a pipeline, an indoor heat exchanger 13, a throttling device 7, and an outdoor unit. The heat exchanger 2, wherein the compressor 3 is connected to the indoor heat exchanger 13 and the outdoor heat exchanger 2 via a reversing valve 4 for switching the flow of the refrigerant, and the indoor heat exchanger 13 is disposed in the indoor unit. 5, the outdoor heat exchanger 2 is disposed in the outdoor unit 1, and further includes a humidifying module 22 and a humidifying fan 10 for supplying air to the humidifying module 22, wherein the humidifying module 22 is provided with an air inlet that is sequentially connected, The moisture absorbing material chamber 23 and the air outlet, the moisture absorbing material chamber 23 is provided with a duct 20, and the side wall of the air duct 20 is provided with a moisture absorbing material 12, and the moisture absorbing material 12 can absorb the moisture in the air to store the water for the humidifying module 22. , the outlet is open a humidification line 8 is connected to the indoor unit 5; a heating tube 11 is connected in parallel between the outlet line and the inlet line of the compressor 3, and the heating tube 11 is inserted into the moisture absorbing material 12 for The moisture absorbing material 12 can be selectively heated, wherein it can be selectively heated. During the moisture absorption of the humidifying module 22, the heating tube 19 is not heated. During the humidification of the humidifying module 22, the heating tube 19 is heated; when humidification is required When the heating pipe 11 is turned on to heat the moisture absorbing material 12, the water in the moisture absorbing material 12 is decomposed and absorbed, and the outdoor air enters the moisture absorbing material chamber 23 to absorb the moisture desorbed by the moisture absorbing material 12, so that the humidity of the outdoor air is increased, and the humidifying pipe 8 and the indoor unit 5 The cross-flow fan 6 is connected, and the humidifying port is arranged at the junction of the cross-flow fan 6. The humidified air passes through the humidifying port and is sent to the room under the action of the cross-flow fan 6 to realize the humidifying function.

The following describes the contents of the present invention by three specific embodiments:

Example 1

In order to make the humidification module 22 have a better moisture absorption effect, as shown in FIG. 2 and FIG. 4, preferably, the pipeline between the outdoor heat exchanger 2 and the throttling device 7 may be connected in series with a condenser 24; During the air conditioning heating process, the low temperature and low pressure refrigerant liquid passing through the throttling device 7 flows into the condenser 24, the condenser 24 is inserted into the moisture absorbing material chamber 23, and the condenser 24 is at least partially exposed to the In the air duct 20, preferably, the condenser 24 is buried in the moisture absorbing material 12 in the radial half, and half is exposed in the air duct 20, and since the surface temperature of the condenser 24 is low, when air is blown through the surface of the condenser 24 At the same time, condensation occurs, condenses into condensed water, and is discharged into the moisture absorbing material 12, and the moisture absorbing material 12 absorbs moisture.

In order to facilitate the discharge of excess air passing through the moisture absorbing material chamber 23 in the moisture absorption mode, an exhaust line 21 may be included, which is connected to the humidification line 8 and is provided with a switching valve at the joint. 16 for selectively conducting the humidification line 8 and the exhaust line 21; that is, during the moisture absorption of the humidification module 22, the switching valve 16 conducts the exhaust line 21, and excess air is exhausted from the exhaust line 21. Outdoorly, during the humidification of the humidification module 22, the switching valve 16 conducts the humidification line 8, and the humidified air enters the indoor unit 5 from the humidification line 8. Here, the switching valve 16 preferably employs a motor switching valve that is driven by a small motor to achieve mode switching, and the cost is greatly reduced compared to the electronic damper.

In order to make the outdoor air entering the humidifying module 22 have a transitional flow space, an air guiding chamber 19 is disposed between the air inlet and the moisture absorbing material chamber 23, and the humidifying fan 10 is disposed at the air inlet and the air inlet Between the air induction chambers 19, the humidifying fan 10 may be disposed outside the air inlet, in the air inlet or at the air outlet. When disposed at the air outlet, the humidifying fan 10 is a negative pressure fan for pumping the outdoor air. The humidifying fan 10 is sucked into the moisture absorbing material chamber 23. Preferably, the humidifying fan 10 is disposed between the air inlet and the heating chamber 19, and is convenient to set up and has high operability; the humidifying fan 10 preferably has two speed control files. The position can be switched between high wind speed and low wind speed. During the humidification process, the fan can open the low wind speed, and the low wind speed can take 30~50m ³ /h; in the process of moisture absorption, the fan opens the high wind and the high wind The wind volume can be taken from 300 to 350 m ³ /h.

In order to prevent impurities from entering the humidification module 22, a filter screen 18 may be provided at the air inlet.

In order to increase the contact area of the heating tube 11 with the moisture absorbing material 12, the moisture absorbing material 12 can be sufficiently heated upon heating. Preferably, the heating tube 11 is disposed in the serous material 12 in a serpentine shape.

In order to facilitate the adjustment of the flow rate and the opening and closing of the pipeline, the inlet pipe and the outlet pipe of the heating pipe 11 may be respectively provided with regulating valves, denoted as 25, 26, and the regulating

valves

25, 26 are preferably electromagnetic expansion valves, performance Excellent and reliable.

In order to prevent the outside air from encountering the low temperature condenser, the condensed water drops to the outdoor unit 1. The portion of the condenser 24 that exposes the humidifying module 22 is sleeved with the heat insulating tube 17 to expose the exposed portion 14 of the condenser. To the insulation effect.

Advantageously, the humidifying module 22 can be fixed to the outdoor unit 1 by the fixing device 15 for convenient installation and fixing. In addition, the outdoor unit fan 9 is usually provided in the outdoor unit 1.

In order to facilitate the formation of the air duct 20, as shown in FIG. 2, a space is left in the moisture absorbing material chamber 23 above the moisture absorbing material 12, and the moisture absorbing material 12 may not be used to fill the moisture absorbing material chamber 23. The space forms the air duct 20.

Example 2

The difference between this embodiment and the embodiment 1 is that, as shown in FIG. 3 and FIG. 4, the pipeline between the outdoor heat exchanger 2 and the throttling device 7 can be connected in parallel with the condenser 24, and is adjusted by the regulating valve 27. The flow rate of the refrigerant liquid flowing into the condenser 24 is used to open and close the condenser 24.

Example 3

The present invention also provides a humidification method using the above-described anhydrous humidifying air conditioner, which comprises a moisture absorption control mode and a humidification control mode;

The moisture absorption control mode includes:

The humidifying fan 10 can be set to a high wind speed first, the switching valve 16 is switched to the conduction exhaust line 21, the regulating

valves

25, 26 are all closed, the heating tube 11 is kept closed (ie, not heated), and the outdoor air enters from the air inlet. The moisture absorbing material chamber 23 absorbs moisture in the air. Further, the condenser 24 can exchange heat with the outdoor air to condense the outdoor air, and the condensed water is absorbed by the moisture absorbing material 12; after the moisture absorbing process continues for a while, The humidification fan 10 is stopped, and the switching valve 16 is switched to the conduction humidification line 8;

The humidification control mode includes:

Get room humidity;

When the room humidity is lower than the set humidity value, the humidifying fan 10 is turned on and set to a low wind speed, the regulating

valves

25, 26 are all opened, and the heating pipe 11 is turned on to heat the moisture absorbing material 12 to decompose and absorb the water in the moisture absorbing material 12, and the outdoor air The air passage 20 enters the moisture absorbing material chamber 23 to absorb the moisture desorbed by the moisture absorbing material 12, so that the humidity of the outdoor air is increased;

The humidified outdoor air is sent to the indoor unit 5 by the humidifying fan 10; the humidified air is mixed with the return air in the low pressure region of the cross flow fan 6, and sent to the room to increase the air humidity.

It can be seen from the above embodiments that the invention has the advantages of simple structure, high reliability, effective control of room humidity in air conditioning heating, humidification of the room when the room air is dry in winter, and constant temperature humidification to ensure room air. In a reasonable humidity range.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are included in the spirit and scope of the present invention, should be included in the present invention. Within the scope of protection.

Industrial applicability

The invention relates to a waterless humidifying air conditioner and a humidifying method, wherein the waterless humidifying air conditioner can effectively switch between moisture absorption and humidification modes by providing the humidifying module and the humidifying fan described above, and has a simple structure and strong operability; Parallel heating tubes in the refrigerant circuit, The high-temperature and high-pressure refrigerant gas compressed by the compressor passes through the heating pipe to heat the moisture absorbing material, thereby fully utilizing the energy of the air conditioning system itself without consuming external resources; the invention can effectively control the humidity of the room during heating, and can When the room is dry in winter, the room is humidified to ensure that the room air is in a reasonable humidity range and has industrial applicability.

Claims

A waterless humidification air conditioner includes a refrigerant circuit including a compressor connected by a pipeline, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger, wherein the compressor passes through a reversing valve Connected to the indoor heat exchanger and the outdoor heat exchanger, the indoor heat exchanger is disposed in the indoor unit, and the outdoor heat exchanger is disposed in the outdoor unit, and is characterized in that the humidifying module and the humidifying module are further included a humidifying fan for supplying air to the humidifying module, wherein the humidifying module is provided with an air inlet, a moisture absorbing material chamber and an air outlet which are sequentially connected, wherein the moisture absorbing material chamber is provided with a air duct, and the side wall of the air duct is provided with a moisture absorbing material. The air outlet is connected to the indoor unit through a humidification pipeline;

A heating tube is connected in parallel between the outlet line and the inlet line of the compressor, and the heating tube is inserted into the moisture absorbing material for selectively heating the moisture absorbing material.
The waterless humidifying air conditioner according to claim 1, wherein a conduit between the outdoor heat exchanger and the throttle device is connected in series with a condenser, and the condenser is inserted into the moisture absorbing material chamber. And the condenser is at least partially exposed in the air duct.
The waterless humidifying air conditioner according to claim 1, wherein a conduit between the outdoor heat exchanger and the throttle device is connected in parallel with a condenser, and the condenser is inserted into the moisture absorbing material chamber. And the condenser is at least partially exposed in the air duct.
The waterless humidifying air conditioner according to claim 1, further comprising an exhaust line connected to the humidifying line and a switching valve at the connection for selecting one The humidification line and the exhaust line are turned on.
The water-free humidifying air conditioner according to claim 1, wherein an air guiding chamber is disposed between the air inlet and the moisture absorbing material chamber, and the humidifying fan is disposed at the air inlet and the air guiding chamber. between.
The waterless humidifying air conditioner according to claim 1, wherein a filter screen is provided at the air inlet.
The waterless humidifying air conditioner according to claim 1, wherein the heating pipe is disposed in a serpentine shape in the hygroscopic material.
The waterless humidifying air conditioner according to claim 1, wherein a regulating valve is provided on each of the inlet pipe and the outlet pipe of the heating pipe.
The waterless humidifying air conditioner according to claim 2 or 3, wherein a portion of the condenser that exposes the humidifying module is provided with a heat insulating tube.
The waterless humidifying air conditioner according to claim 1, wherein a space above the moisture absorbing material is left in the absorbent material chamber, and the space forms the air passage.
The waterless humidifying air conditioner according to claim 1, wherein the humidifying module is fixed to the outdoor unit by a holder.
A humidification method using the anhydrous humidifying air conditioner according to any one of claims 1 to 11, characterized in that it comprises a moisture absorption control mode and a humidification control mode;

The moisture absorption control mode includes:

The heating pipe is closed, the outdoor air enters the moisture absorbing material chamber from the air inlet, and the moisture absorbing material absorbs the moisture in the outdoor air;

The humidification control mode includes:

Get room humidity;

When the humidity of the room is lower than the set humidity value, the heating pipe opens the heating moisture absorbing material to decompose and absorb the water in the moisture absorbing material, and the outdoor air enters the moisture absorbing material chamber to absorb the moisture desorbed by the moisture absorbing material, so that the humidity of the outdoor air increases;

The humidified outdoor air is sent to the indoor unit using a humidifying fan.