CN106322537A - Waterfree humidification air conditioner and humidification method - Google Patents

Abstract

The invention relates to the field of air conditioning, and discloses a waterless humidifying air conditioner, which includes a refrigerant circuit, which includes a compressor, an indoor heat exchanger, a throttling device and an outdoor heat exchanger, and the compressor exchanges heat with the indoor respectively through a reversing valve. The indoor heat exchanger is installed in the indoor unit, and the outdoor heat exchanger is installed in the outdoor unit. It also includes a humidification module and a humidification fan for supplying air to the humidification module. Tuyere, heating chamber, hygroscopic material chamber and air outlet, the heating chamber is used to selectively heat the incoming air, the hygroscopic material chamber is provided with an air duct, and the side wall of the air duct is provided with hygroscopic material; the air outlet is connected by a humidification pipeline to the indoor unit; the pipeline between the outdoor heat exchanger and the compressor is connected in parallel with a condenser, the condenser is inserted into the hygroscopic material chamber, and at least part of the condenser is exposed in the air duct. The invention can realize the waterless humidification of the air conditioner, and has simple structure and high reliability. The invention also provides a humidification method.

Description

A waterless humidification air conditioner and humidification method

technical field

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

Background technique

Humidity, cleanliness, and temperature are three important indicators to measure the comfort of a room. Among these three factors, humidity is often overlooked. In fact, the impact of humidity on human health is very important. For example, if the humidity is too low and the air is dry, it is easy to make people cough, and if they stay in a house with high humidity for a long time, the human body is prone to rheumatism. It is easy to feel uncomfortable because the room humidity is too high or too small, so the adjustment of humidity must be appropriate.

Through the search of the existing dehumidification and air conditioning technology, it can be found that Daikin has an application number CN00801528.7, which is an invention patent named "air conditioner with humidification function". Adsorb the moisture of the external air to the adsorbent and release the moisture from the adsorbent, and then supply the moisture indoors to achieve the function of humidification. This device can realize the function of humidifying the room without water and improve the thermal comfort of the room, but the device The structure is complex, the cost is high, and the existence of running parts (runner wheels) makes the system poor in reliability.

Contents of the invention

(1) Technical problems to be solved

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

(2) Technical solution

In order to solve the above technical problems, the present invention provides a waterless humidifying air conditioner, which includes a refrigerant circuit, and the refrigerant circuit includes a compressor, an indoor heat exchanger, a throttling device and an outdoor heat exchanger connected by pipelines, wherein , the compressor is respectively connected to the indoor heat exchanger and the outdoor heat exchanger through a reversing valve, the indoor heat exchanger is arranged in the indoor unit, and the outdoor heat exchanger is arranged in the outdoor unit, which also includes humidification module and a humidifying fan for supplying air to the humidifying module, the humidifying module is provided with an air inlet, a heating chamber, a hygroscopic material chamber and an air outlet connected in sequence, and the heating chamber is used to selectively heat the The air entering the air outlet, the hygroscopic material chamber is provided with an air duct, and the side wall of the air duct is provided with hygroscopic material; the air outlet is connected to the indoor unit through a humidification pipeline;

A condenser is connected in parallel to the pipeline between the outdoor heat exchanger and the compressor, the condenser is inserted into the hygroscopic material chamber, and at least part of the condenser is exposed in the air duct.

Wherein, the humidification pipeline is connected with an air bypass pipeline, and a switching valve is provided at the connection for selectively conducting the humidification pipeline or the air bypass pipeline.

Wherein, the humidifying fan is arranged between the air inlet and the heating chamber.

Wherein, a filter screen is provided at the air inlet.

Wherein, an electric heating wire is arranged in the heating chamber.

Wherein, the inlet pipe and the outlet pipe of the condenser are respectively provided with regulating valves; the pipeline between the inlet pipe and the outlet pipe of the condenser is provided with regulating valves.

Wherein, the regulating valve is an electromagnetic expansion valve.

Wherein, the humidification module is fixed in the outdoor unit by a fixer.

Wherein, there is a space above the moisture-absorbing material in the chamber of the moisture-absorbing material, and the space forms the air duct.

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

The moisture control modes include:

The heating chamber is closed, the outdoor air enters the hygroscopic material chamber from the air inlet, the condenser exchanges heat with the outdoor air, condenses the outdoor air, and the condensed water is absorbed by the hygroscopic material;

The humidification control modes include:

Get room humidity;

When the room humidity is lower than the set humidity value, the heating chamber is turned on, and the outdoor air enters the hygroscopic material chamber after the heating chamber heats up, and the heated outdoor air absorbs the moisture stored in the hygroscopic material in the hygroscopic material chamber, increasing the humidity of the outdoor air ;

Use a humidifying fan to send humidified outdoor air into the indoor unit.

(3) Beneficial effects

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

An anhydrous humidification air conditioner and a humidification method provided by the present invention, wherein the anhydrous humidification air conditioner can effectively switch between moisture absorption and humidification modes by setting the above-mentioned humidification module and humidification fan, and has a simple structure and strong operability; By connecting the condenser in parallel on the refrigerant circuit, the refrigerant in the refrigerant circuit flows through the condenser, providing low temperature for the condenser, using the air on the surface of the condenser to condense into water when it is cold, storing water for the humidification module, and using the air conditioning system itself Energy, no consumption of external resources, high energy utilization rate;

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

Description of drawings

Fig. 1 is a top view schematic diagram of an anhydrous humidifying air conditioner of the present invention;

Fig. 2 is the A-A sectional view of a kind of waterless humidifying air conditioner of the present invention;

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: Humidification pipeline; 9 : Outdoor unit fan; 10: Humidification fan; 11: Electric heating wire; 12: Hygroscopic material; 13: Indoor heat exchanger; 14: Inlet pipe; 15: Fixer; 16: Switching valve; 17: Outlet pipe; 18: Filter screen; 19: heating chamber; 20: air duct; 21: air bypass pipeline; 22: humidification module; 23: hygroscopic material chamber; 24: condenser; 25, 26, 27: regulating valves.

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in Figures 1 and 2, a waterless humidifying air conditioner provided by the present invention includes a refrigerant circuit, and the refrigerant circuit includes a compressor 3 connected through pipelines, an indoor heat exchanger 13, and a throttling device 7 and the outdoor heat exchanger 2, wherein the compressor 3 is respectively connected to the indoor heat exchanger 13 and the outdoor heat exchanger 2 through the reversing valve 4, and the reversing valve 4 is preferably a four-way reversing valve for switching Refrigerant flow direction, the indoor heat exchanger 13 is set in the indoor unit 5, the outdoor heat exchanger 2 is set in the outdoor unit 1, and it also includes a humidification module 22 and a humidification fan for supplying air to the humidification module 22 10. The humidification module 22 is provided with an air inlet, a heating chamber 19, a hygroscopic material chamber 23 and an air outlet connected in sequence, and the heating chamber 19 is used to selectively heat the air entering from the air inlet, here Optional heating means that during the moisture absorption process of the humidification module 22, the heating chamber 19 is not heated, and during the humidification process of the humidification module 22, the heating chamber 19 is heated; the moisture absorption material chamber 23 is provided with an air duct 20, and the air duct The side wall of 20 is provided with hygroscopic material 12, where the air duct 20 communicates with the air inlet and the air outlet, and the air outlet is connected to the indoor unit 5 through the humidification pipeline 8;

The pipeline between the outdoor heat exchanger 2 and the compressor 3 is connected in parallel with a condenser 24, specifically, the condenser 24 is connected in parallel in the pipeline between the outdoor heat exchanger 2 and the reversing valve 4, and the air conditioner During the heating process, the low-temperature and low-pressure refrigerant liquid passing through the outdoor heat exchanger 2 flows into the condenser 24. According to specific needs, the flow rate of the refrigerant liquid here is set to be adjustable, and the refrigerant liquid passes through the outdoor heat exchanger 2 and then discharged into the condenser 24. The condenser 24 does not affect the flow and pressure of the refrigerant liquid flowing through the outdoor heat exchanger 2, so as not to affect the normal operation of the outdoor heat exchanger 2; the condenser 24 is inserted into the hygroscopic material chamber 23, and The condenser 24 is at least partially exposed in the air duct 20. Preferably, half of the condenser 24 is buried in the hygroscopic material 12 in the radial direction, and half is exposed in the air duct 20. Since the surface temperature of the condenser 24 is very high Low, when there is air blowing over the surface of the condenser 24, condensation will occur, condensed into condensed water, and discharged into the hygroscopic material 12, and the hygroscopic material 12 absorbs moisture; when humidification is required, the heating chamber 19 is turned on, and the humidification fan 10 is turned on, the outdoor air enters the hygroscopic material chamber 23 after the heating chamber 19 heats up, the moisture in the hygroscopic material 12 desorbs when heated, and the heated outdoor air enters the hygroscopic material chamber 23 from the air duct 20 to absorb the moisture stored in the hygroscopic material 12. Moisture, humidity increases, the humidification pipeline 8 is connected to the cross-flow fan 6 in the indoor unit 5, and a humidification port is set at the junction of the cross-flow fan 6, and the humidified air is sent to the room under the action of the cross-flow fan 6 after passing through the humidification port. Into the room to realize the humidification function.

Preferably, the humidification module 22 is fixed in the outdoor unit 1 through the fixer 15, so that it is not necessary to install the humidification module 22 after the outdoor unit 1 is installed, which simplifies the installation steps, and the humidification module installed in the outdoor unit 1 22 plays a certain protective role.

In order to expel excess air passing through the hygroscopic material chamber 23 conveniently in the moisture absorption mode, the humidification pipeline 8 is connected with an air bypass pipeline 21, and a switching valve 16 is provided at the connection for selectively guiding Through the humidification pipeline 8 or the air bypass pipeline 21, that is, during the moisture absorption process of the humidification module 22, the switch valve 16 is connected to the air bypass pipeline 21, and the excess air is discharged from the air bypass pipeline 21 to the outside, and the humidification During the humidification process of the module 22, the switching valve 16 leads to the humidification pipeline 8, and the humidified air enters the indoor unit 5 from the humidification pipeline 8; when the switching valve 16 is installed in the outdoor unit 1, the air bypass pipeline 21 needs to be extended Outside the outdoor unit 1, in addition, the outdoor unit fan 9 is arranged in the outdoor unit 1. Here, the switching valve 16 is preferably a motor switching valve, and the mode switching is realized by driving the baffle with a small motor, and the cost is greatly reduced compared with the electronic air valve.

The humidifying fan 10 can be arranged outside the air inlet, inside the air inlet or at the air outlet. When it is arranged at the air outlet, the humidifying fan 10 is a negative pressure fan for sucking outdoor air into the hygroscopic material chamber 23, preferably Specifically, the humidifying blower 10 is located between the air inlet and the heating chamber 19, which is convenient to set up and has strong operability; the humidifying blower 10 preferably has two speed regulation gears, which can realize high wind speed and high wind speed. Low wind gear switching, during the humidification process, the fan is turned on the low wind gear, and the air volume of the low wind gear can be 30-50m ³ /h; during the moisture absorption process, the fan is turned on the high wind gear, and the air volume of the high wind gear can be 300-350m ³ /h.

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

In order to control the heating conveniently, an electric heating wire 11 can be provided in the heating chamber 19 , and the heating power of the electric heating wire 11 can be 0.5-1 kW.h by controlling energization and heating.

In order to facilitate the adjustment of the refrigerant flow through the condenser 24, the inlet pipe 14 and the outlet pipe 17 of the condenser 24 can be respectively provided with regulating valves, represented as 25, 26; The pipeline between the pipes 17 is provided with a regulating valve 27, and the regulating valves 25, 26, 27 are preferably electromagnetic expansion valves. In the moisture absorption mode, the regulating valves 25, 26 are opened, and the regulating valve 27 is closed. When the outdoor air flow When passing through the condenser 24, condensation will occur, and the condensed water will be absorbed by the dry hygroscopic material 12. When the humidification mode or the humidification module is not in use, the regulating valves 25 and 26 are closed, and the regulating valve 27 is opened, which does not affect the normal operation. The refrigerant circuit is working.

In order to facilitate the formation of the air duct 20, as shown in Figure 2, there is a space above the hygroscopic material 12 in the hygroscopic material chamber 23, and the hygroscopic material 12 can be used to not fill the hygroscopic material chamber 23, and the space is formed. The air duct 20.

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

The moisture control modes include:

The humidifying fan 10 can be set to a high wind speed first, the switch valve 16 is switched to the air bypass line 21, the control valves 25 and 26 are opened, the control valve 27 is closed, and the heating chamber 19 is kept closed (that is, no heating). Air enters the hygroscopic material chamber 23 from the air inlet, and the condenser 24 exchanges heat with the outdoor air to condense the outdoor air, and the condensed water is absorbed by the hygroscopic material 12; after the moisture absorption process lasts for a period of time, the humidifying fan 10 stops, and the switching valve 16 switches To conduct the humidification pipeline 8;

The humidification control modes include:

Get room humidity;

When the room humidity is lower than the set humidity value, the heating chamber 19 is turned on, the humidifying fan 10 is turned on and set as a low windshield, the outdoor air enters the hygroscopic material chamber 23 after the heating chamber 19 heats up, and the heated outdoor air enters the hygroscopic material chamber 23 Internally absorb the moisture stored in the hygroscopic material 12 to increase the humidity of the outdoor air;

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

It can be seen from the above examples that the present invention has simple structure and high reliability, can effectively control the humidity of the room during air-conditioning heating, can humidify the room when the air in the room is dry in winter, and can realize constant temperature humidification to ensure that the room air within a reasonable humidity range.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. A waterless humidifying air conditioner, comprising a refrigerant circuit, the refrigerant circuit comprising a compressor, an indoor heat exchanger, a throttling device and an outdoor heat exchanger connected by pipelines, wherein the compressor is The direction valves are respectively connected with the indoor heat exchanger and the outdoor heat exchanger, the indoor heat exchanger is arranged in the indoor unit, and the outdoor heat exchanger is arranged in the outdoor unit, and it is characterized in that it also includes a humidification module and A humidifying fan for supplying air to the humidifying module, the humidifying module is provided with an air inlet, a heating chamber, a hygroscopic material chamber and an air outlet connected in sequence, and the heating chamber is used to selectively heat the air, the hygroscopic material chamber is provided with an air duct, and the side wall of the air duct is provided with hygroscopic material; the air outlet is connected to the indoor unit through a humidification pipeline; A condenser is connected in parallel to the pipeline between the outdoor heat exchanger and the compressor, the condenser is inserted into the hygroscopic material chamber, and at least part of the condenser is exposed in the air duct. 2. The waterless humidifying air conditioner according to claim 1, characterized in that, the humidification pipeline is connected with an air bypass pipeline, and a switching valve is provided at the connection for selectively conducting the Humidification line or air bypass line. 3. The waterless humidifying air conditioner according to claim 1, wherein the humidifying fan is arranged between the air inlet and the heating chamber. 4. The waterless humidifying air conditioner according to claim 1, wherein a filter is provided at the air inlet. 5. The waterless humidifying air conditioner according to claim 1, wherein an electric heating wire is arranged in the heating chamber. 6. The waterless humidifying air conditioner according to claim 1, characterized in that, the inlet pipe and the outlet pipe of the condenser are respectively provided with regulating valves; the pipe between the inlet pipe and the outlet pipe of the condenser The road is equipped with a regulating valve. 7. The waterless humidifying air conditioner according to claim 6, wherein the regulating valve is an electromagnetic expansion valve. 8. The waterless humidifying air conditioner according to claim 1, characterized in that, the humidifying module is fixed in the outdoor unit by a fixer. 9 . The waterless humidifying air conditioner according to claim 1 , wherein there is a space above the moisture-absorbing material in the chamber of the moisture-absorbing material, and the space forms the air duct. 10. A humidification method using the anhydrous humidification air conditioner according to any one of claims 1-9, characterized in that it includes a moisture absorption control mode and a humidification control mode; The moisture control modes include: The heating chamber is closed, the outdoor air enters the hygroscopic material chamber from the air inlet, the condenser exchanges heat with the outdoor air, condenses the outdoor air, and the condensed water is absorbed by the hygroscopic material; The humidification control modes include: Get room humidity; When the room humidity is lower than the set humidity value, the heating chamber is turned on, and the outdoor air enters the hygroscopic material chamber after the heating chamber heats up, and the heated outdoor air absorbs the moisture stored in the hygroscopic material in the hygroscopic material chamber; Use a humidifying fan to send humidified outdoor air into the indoor unit.