CN112361639A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN112361639A CN112361639A CN201910683238.1A CN201910683238A CN112361639A CN 112361639 A CN112361639 A CN 112361639A CN 201910683238 A CN201910683238 A CN 201910683238A CN 112361639 A CN112361639 A CN 112361639A
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- outdoor heat
- heat exchanger
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
Abstract
The air conditioner comprises an indoor heat exchanger, a first outdoor heat exchanger, a first drying agent and a switching device, wherein the indoor heat exchanger is used as an evaporator during air conditioner refrigerating operation, the first drying agent is used for drying air passing through the first outdoor heat exchanger when the first outdoor heat exchanger is used as another evaporator and resolving moisture when the first outdoor heat exchanger is used as a condenser, the switching device is in a first state enabling the first outdoor heat exchanger to be used as another evaporator and a second state enabling the first outdoor heat exchanger to be used as a condenser during air conditioner refrigerating operation, and the air conditioner is configured to discharge air subjected to heat exchange through the indoor heat exchanger during refrigerating operation and air dried by the first drying agent into a room when the switching device is in the first state. The air conditioner is used for independently controlling the temperature and the humidity by switching the first outdoor heat exchanger and the indoor heat exchanger serving as the other evaporator and the other condenser, and is simple in structure, convenient to produce and beneficial to miniaturization of the air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner.
Background
With the development of economy and the continuous improvement of living standard, the demand of users on air conditioners is higher and higher. Air conditioner products need to adjust indoor temperature and indoor humidity, most of existing air conditioners cool air to the dew point temperature of the air, then discharge the air to the indoor, and independent control of temperature and humidity cannot be achieved.
Although there are some air conditioners that can realize independent control of temperature and humidity, the structure of such air conditioners is complicated.
Disclosure of Invention
In view of the above problems, an invention has been made to provide an air conditioner that overcomes or at least partially solves the above problems.
An object of the present invention is to provide an air conditioner which has a simple structure and can realize independent temperature and humidity control.
It is a further object of the present invention to enhance the user experience brought about by such an air conditioner.
The present invention provides an air conditioner, comprising: the indoor heat exchanger is used as an evaporator during the refrigeration operation of the air conditioner; a first outdoor heat exchanger; a first desiccant for drying air passing through the first outdoor heat exchanger when the first outdoor heat exchanger functions as another evaporator and resolving moisture when the first outdoor heat exchanger functions as a condenser; a switching device configured to have a first state in which the first outdoor heat exchanger is made to function as the other evaporator and a second state in which the first outdoor heat exchanger is made to function as the condenser when the air conditioner is in a cooling operation; and the air conditioner is configured to discharge the air heat-exchanged through the indoor heat exchanger to the indoor when the cooling operation is performed and the air dried by the first desiccant to the indoor when the switching device is in the first state.
Optionally, the method further includes: a second outdoor heat exchanger; a second desiccant for drying air passing through the second outdoor heat exchanger when the second outdoor heat exchanger functions as a further evaporator and for desorbing moisture when the second outdoor heat exchanger functions as a further condenser; and when the switching device is in the first state, the second outdoor heat exchanger acts as the further condenser, and when the switching device is in the second state, the second outdoor heat exchanger acts as the further evaporator; and the air conditioner is further configured to discharge moisture resolved by the second desiccant to the outside when the switching device is in the first state, and to discharge the air dried by the second desiccant to the inside and to discharge moisture resolved by the first desiccant to the outside when the switching device is in the second state.
Optionally, the air conditioner further comprises a compressor and a throttling device, and when the air conditioner operates in a cooling mode, an outlet of the indoor heat exchanger is connected with an inlet of the compressor, and an inlet of the indoor heat exchanger is connected with an outlet of the throttling device; and the switching device comprises: a first reversing valve configured to connect an outlet of the first outdoor heat exchanger with an inlet of the compressor and connect an outlet of the second outdoor heat exchanger with an inlet of the throttling device when the switching device is in the first state, and connect an outlet of the first outdoor heat exchanger with an inlet of the throttling device and connect an outlet of the second outdoor heat exchanger with an inlet of the compressor when the switching device is in the second state; and the second reversing valve is configured to connect the inlet of the first outdoor heat exchanger with the outlet of the throttling device and connect the inlet of the second outdoor heat exchanger with the outlet of the compressor when the switching device is in the first state, and connect the inlet of the first outdoor heat exchanger with the outlet of the compressor and connect the inlet of the second outdoor heat exchanger with the outlet of the throttling device when the switching device is in the second state.
Optionally, the method further includes: the first electromagnetic valve is arranged on a refrigerant pipeline between the indoor heat exchanger and the throttling device, is used for controlling the flow of the refrigerant entering the indoor heat exchanger during the refrigeration of the air conditioner, and is configured to enable the evaporation temperature of the refrigerant in the indoor heat exchanger to be higher than the dew point temperature of air by adjusting the opening degree; the second electromagnetic valve is arranged on a refrigerant pipeline between the second reversing valve and the first outdoor heat exchanger, is used for controlling the flow of the refrigerant entering the first outdoor heat exchanger during the refrigeration of the air conditioner, and is configured to adjust the opening degree when the switching device is in the first state so that the evaporation temperature of the refrigerant in the first outdoor heat exchanger is lower than the dew point temperature of air; and the third electromagnetic valve is arranged on a refrigerant pipeline between the second reversing valve and the second outdoor heat exchanger, is used for controlling the flow of the refrigerant entering the second outdoor heat exchanger during the refrigeration of the air conditioner, and is configured to adjust the opening degree when the switching device is in the second state so as to enable the evaporation temperature of the refrigerant in the second outdoor heat exchanger to be lower than the dew point temperature of air.
Optionally, wherein the air conditioner defines an indoor heat exchange chamber in which the indoor heat exchanger is disposed, a first outdoor heat exchange chamber in which the first outdoor heat exchanger is disposed, and a second outdoor heat exchange chamber in which the second outdoor heat exchanger is disposed, the first desiccant being disposed in the first outdoor heat exchange chamber, the second desiccant being disposed in the second outdoor heat exchange chamber; and the air conditioner further comprises: a spray device connecting the indoor heat exchange chamber and an external water source to the first outdoor heat exchange chamber and the second outdoor heat exchange chamber through a spray line; and is configured to spray the accumulated water of the indoor heat exchange chamber and the water of the external water source to the second outdoor heat exchanger in the second outdoor heat exchange chamber when the switching device is in the first state, and to spray the accumulated water of the indoor heat exchange chamber and the water of the external water source to the first outdoor heat exchanger in the first outdoor heat exchange chamber when the switching device is in the second state.
Optionally, the method further includes: and the cold end of the semiconductor refrigeration piece is arranged on a refrigerant pipeline between the first reversing valve and the throttling device and is used for improving the supercooling degree of the refrigerant passing through the corresponding area of the semiconductor refrigeration piece.
Optionally, the spraying pipeline is formed with a water storage tank, and the heat dissipation end of the semiconductor refrigeration piece is arranged in the water storage tank.
Optionally, wherein the air inlets of the indoor heat exchange chamber, the first outdoor heat exchange chamber and the second outdoor heat exchange chamber are used for sucking indoor air; and the air conditioner further comprises: an air path device configured to deliver the air dried by the first desiccant in the first outdoor heat exchange chamber into the indoor heat exchange chamber when the switch device is in the first state, to discharge the air dried by the first desiccant into the indoor through the indoor heat exchange chamber, and to discharge the air passing through the second outdoor heat exchanger to the outdoor to carry away moisture desorbed by the second desiccant; and when the switching device is in the second state, the air passing through the first outdoor heat exchanger is discharged to the outside to take away moisture resolved by the first desiccant, and the air dried by the second desiccant in the second outdoor heat exchange chamber is sent to the indoor heat exchange chamber, so that the air dried by the first desiccant is discharged to the inside through the indoor heat exchange chamber.
Optionally, wherein the switching device is configured to switch to the second state when in the first state and the first desiccant is saturated with water, and to switch to the first state when in the second state and the second desiccant is saturated with water.
Optionally, wherein the first desiccant is coated on an outer surface of the first outdoor heat exchanger and the second desiccant is coated on an outer surface of the second outdoor heat exchanger.
The invention provides an air conditioner, which comprises an indoor heat exchanger, a first outdoor heat exchanger, a first drying agent and a switching device, wherein the indoor heat exchanger is used as an evaporator during the air conditioner refrigerating operation, the first drying agent is used for drying air passing through the first outdoor heat exchanger when the first outdoor heat exchanger is used as another evaporator, and moisture is analyzed when the first outdoor heat exchanger is used as a condenser, the switching device has a first state of enabling the first outdoor heat exchanger to be used as another evaporator and a second state of enabling the first outdoor heat exchanger to be used as a condenser during the air conditioner refrigerating operation, and the air conditioner is configured to discharge the air subjected to heat exchange through the indoor heat exchanger during the refrigerating operation and the air dried by the first drying agent into a room when the switching device is in the first state. The air conditioner is used for independently controlling the temperature and the humidity by switching the first outdoor heat exchanger and the indoor heat exchanger serving as the other evaporator and the other condenser, and is simple in structure, convenient to produce and beneficial to miniaturization of the air conditioner. And the temperature and the humidity are independently adjusted, so that the air conditioner is more energy-saving and more easily meets various requirements of users.
Further, the air conditioner also comprises a second outdoor heat exchanger, the first outdoor heat exchanger and the second outdoor heat exchanger are alternately and respectively used as an evaporator or a condenser to play a role, so that the air conditioner has a dehumidification function at any time, the user experience is improved, and the first drying agent and the second drying agent absorb moisture, so that the air conditioner cannot generate condensation, and the user experience is further improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic diagram illustrating a flow of a refrigerant when a switching device of an air conditioner according to an embodiment of the present invention is in a first state;
fig. 2 is a schematic view of air flow when a switching device of an air conditioner according to an embodiment of the present invention is in a first state;
fig. 3 is a schematic diagram illustrating a flow of a refrigerant when a switching device of an air conditioner is in a second state according to an embodiment of the present invention;
fig. 4 is a schematic view of air flow when a switching device of an air conditioner according to an embodiment of the present invention is in a second state.
Detailed Description
Fig. 1 is a schematic diagram illustrating a refrigerant flow when a switching device 300 of an air conditioner 10 according to an embodiment of the present invention is in a first state; FIG. 2 is a schematic view of the air flow when the switching device 300 of the air conditioner 10 is in the first state according to one embodiment of the present invention; fig. 3 is a schematic diagram illustrating the flow of the refrigerant when the switching device 300 of the air conditioner 10 is in the second state according to an embodiment of the present invention; fig. 4 is a schematic view of the air flow when the switching device 300 of the air conditioner 10 is in the second state according to one embodiment of the present invention.
The present embodiment provides an air conditioner 10, the air conditioner 10 includes an indoor heat exchanger 110, a first outdoor heat exchanger 220, a first desiccant 210, and a switching device 300, the indoor heat exchanger 110 is used as an evaporator when the air conditioner 10 operates in a cooling mode, the first desiccant 210 is used for drying air passing through the first outdoor heat exchanger 220 when the first outdoor heat exchanger 220 is used as another evaporator, and resolving moisture when the first outdoor heat exchanger 220 is used as a condenser. For example, the air conditioner 10 may further include a first outdoor heat exchange chamber 200 for placing the first outdoor heat exchanger 220, and the first desiccant 210 may be placed in the first outdoor heat exchange chamber 200, such as an air inlet and/or an air outlet of the first outdoor heat exchange chamber 200.
The switching device 300 has a first state in which the first outdoor heat exchanger 220 serves as another evaporator to dry the air passing through the first outdoor heat exchanger 220 by the first desiccant 210 and a second state in which the first outdoor heat exchanger 220 serves as a condenser to allow the first desiccant 210 to resolve moisture, that is, the first desiccant 210 absorbs moisture in the air at a low temperature and resolves moisture absorbed by itself when heated.
And the air conditioner 10 is configured to discharge the air heat-exchanged through the indoor heat exchanger 110 to the indoor when the cooling operation is performed and the air dried by the first desiccant 210 to the indoor when the switching device 300 is in the first state. The air conditioner 10 realizes independent control of temperature and humidity by the air conditioner 10 by switching the first outdoor heat exchanger 220 and the indoor heat exchanger 110 as another evaporator and condenser, and has simple structure, convenient production and contribution to miniaturization of the air conditioner 10.
When the temperature and the humidity cannot be independently controlled, the temperature required by the user is not necessarily the temperature required during dehumidification, which may cause over-dehumidification or over-refrigeration. Therefore, the air conditioner 10 can save more energy and meet various requirements of users more easily by the arrangement of the first outdoor heat exchanger 220 for adjusting humidity when the switching device 300 is in the first state by adjusting the temperature through the indoor heat exchanger 110.
Wherein the air conditioner 10 may further include a second outdoor heat exchanger 420 and a second desiccant 410, the second desiccant 410 being used to dry the air passing through the second outdoor heat exchanger 420 when the second outdoor heat exchanger 420 is used as a further evaporator and to desorb moisture when the second outdoor heat exchanger 420 is used as another condenser, for example, the air conditioner 10 may further include a second outdoor heat exchange chamber 400 for placing the second outdoor heat exchanger 420, and the second desiccant 410 may be placed in the second outdoor heat exchange chamber 400, such as an air inlet and/or an air outlet of the second outdoor heat exchange chamber 400.
When the switching device 300 is in the first state, the second outdoor heat exchanger 420 serves as another condenser to make the second desiccant 410 resolve moisture, that is, the second desiccant 410 absorbs moisture in the air when the temperature is low, and resolves moisture absorbed by itself when the temperature is heated.
And when the switching device 300 is in the second state, the second outdoor heat exchanger 420 acts as a further evaporator to let the second desiccant 410 dry the air passing through the second outdoor heat exchanger 420, and the air conditioner 10 is further configured to discharge the moisture resolved by the second desiccant 410 to the outdoor when the switching device 300 is in the first state, and to discharge the air dried by the second desiccant 410 to the indoor and to discharge the moisture resolved by the first desiccant 210 to the outdoor when the switching device 300 is in the second state.
Due to the arrangement mode, the air conditioner 10 has a dehumidification function at any time, user experience is improved, and the first drying agent 210 and the second drying agent 410 absorb moisture, so that the air conditioner 10 cannot generate condensation, and the user experience is further improved.
The air conditioner 10 may further include a compressor 510 and a throttling device 520, the throttling device 520 may be an electronic expansion valve or a capillary tube, and when the air conditioner 10 operates in a cooling mode, an outlet of the indoor heat exchanger 110 is connected to an inlet of the compressor 510, and an inlet of the indoor heat exchanger 110 is connected to an outlet of the throttling device 520.
And the switching device 300 includes a first direction switching valve 310 and a second direction switching valve 320, the first direction switching valve 310 is configured to connect the outlet of the first outdoor heat exchanger 220 with the inlet of the compressor 510, connect the outlet of the second outdoor heat exchanger 420 with the inlet of the throttling device 520 when the switching device 300 is in the first state, connect the outlet of the first outdoor heat exchanger 220 with the inlet of the throttling device 520, and connect the outlet of the second outdoor heat exchanger 420 with the inlet of the compressor 510 when the switching device 300 is in the second state.
The second direction valve 320 is configured to connect the inlet of the first outdoor heat exchanger 220 with the outlet of the throttling device 520, connect the inlet of the second outdoor heat exchanger 420 with the outlet of the compressor 510 when the switching device 300 is in the first state, and connect the inlet of the first outdoor heat exchanger 220 with the outlet of the compressor 510, and connect the inlet of the second outdoor heat exchanger 420 with the outlet of the throttling device 520 when the switching device 300 is in the second state.
The reversing valve has the advantages of accurate action, high automation degree and stable and reliable work, and can ensure the stability and the accuracy of the switching device 300 in switching states.
The air conditioner 10 may further include a first solenoid valve 610, a second solenoid valve 620, and a third solenoid valve 630, where the first solenoid valve 610 is disposed in a refrigerant pipeline between the indoor heat exchanger 110 and the throttling device 520, and is used for controlling a flow rate of the refrigerant entering the indoor heat exchanger 110 when the air conditioner 10 cools, and is configured to adjust an opening degree so that an evaporation temperature of the refrigerant in the indoor heat exchanger 110 is higher than an air dew point temperature Td, where the air dew point temperature Td may be calculated by the following formula:
in the formula: t is ambient temperature in units; f is ambient humidity, in units%; a and b are coefficients, and when T is more than 0 ℃, a is 7.5, and b is 237.3; when T is less than or equal to 0 ℃, a is 9.5, and b is 265.5.
Ambient temperature T and ambient humidity f can be detected respectively by temperature detecting element and humidity detecting element and obtain, and evaporating temperature can be by heat exchanger surface temperature sensing thermocouple perception, and this kind of mode of setting can avoid air conditioner 10's indoor air outlet department condensation, promotes user experience.
The second electromagnetic valve 620 is disposed in the refrigerant pipeline between the second direction valve 320 and the first outdoor heat exchanger 220, and is used for controlling the flow rate of the refrigerant entering the first outdoor heat exchanger 220 when the air conditioner 10 cools, and is configured to adjust the opening degree when the switching device 300 is in the first state so as to enable the evaporation temperature of the refrigerant in the first outdoor heat exchanger 220 to be lower than the air dew point Td, and this setting mode enables the first desiccant 210 to absorb more moisture when the switching device 300 is in the first state, thereby improving the dehumidification effect of the air conditioner 10 and enhancing the user experience.
The third electromagnetic valve 630 is disposed in the refrigerant pipeline between the second direction valve 320 and the second outdoor heat exchanger 420, and is used for controlling the flow rate of the refrigerant entering the second outdoor heat exchanger 420 when the air conditioner 10 cools, and is configured to adjust the opening degree when the switching device 300 is in the second state so as to enable the evaporation temperature of the refrigerant in the second outdoor heat exchanger 420 to be lower than the air dew point Td, and this arrangement enables the second desiccant 410 to absorb more moisture when the switching device 300 is in the second state, thereby improving the dehumidification effect of the air conditioner 10 and enhancing the user experience.
Wherein the air conditioner 10 may define an indoor heat exchange chamber 100 in which the indoor heat exchanger 110 is disposed, a first outdoor heat exchange chamber 200 in which the first outdoor heat exchanger 220 is disposed, and a second outdoor heat exchange chamber 400 in which the second outdoor heat exchanger 420 is disposed, the first desiccant 210 being disposed in the first outdoor heat exchange chamber 200, and the second desiccant 410 being disposed in the second outdoor heat exchange chamber 400.
The air intakes of the indoor heat exchange chamber 100, the first outdoor heat exchange chamber 200 and the second outdoor heat exchange chamber 400 are used to suck indoor air. This arrangement allows the air conditioner 10 to have a simple structure without introducing air from the outside, and in some embodiments, the indoor heat-exchange chamber 100, the first outdoor heat-exchange chamber 200, and the second outdoor heat-exchange chamber 400 may have one air inlet, respectively, and in other embodiments, the indoor heat-exchange chamber 100, the first outdoor heat-exchange chamber 200, and the second outdoor heat-exchange chamber 400 may share one air inlet.
And the air conditioner 10 may further include an air-path device 700, wherein the air-path device 700 is configured to send the air dried by the first desiccant 210 in the first outdoor heat-exchange chamber 200 into the indoor heat-exchange chamber 100 when the switcher 300 is in the first state, to discharge the air dried by the first desiccant 210 into the indoor through the indoor heat-exchange chamber 100, and to discharge the air passing through the second outdoor heat exchanger 420 to the outdoor to take away the moisture desorbed by the second desiccant 410.
And the air-path device 700 discharges the air passing through the first outdoor heat exchanger 220 to the outdoor to remove moisture desorbed from the first desiccant 210 when the switcher 300 is in the second state, and sends the air dried by the second desiccant 410 in the second outdoor heat-exchange chamber 400 into the indoor heat-exchange chamber 100 to discharge the air dried by the first desiccant 210 to the indoor through the indoor heat-exchange chamber 100.
Because the humidity of the indoor air is lower, the first desiccant 210 or the second desiccant 410 can be carried more easily to analyze out water, so that the air carrying the water is discharged to the outside, the dehumidification efficiency of the air conditioner 10 is improved, and the user experience is improved.
For example, the air path device 700 includes an air inlet of the indoor heat exchange chamber 100, an air outlet of the indoor heat exchange chamber 100, an air inlet of the first outdoor heat exchange chamber 200, and an air inlet of the second outdoor heat exchange chamber 400, which are communicated with the indoor, the air path device 700 further includes an air outlet of the first outdoor heat exchange chamber 200 and an air outlet of the second outdoor heat exchange chamber 400, which are communicated with the outdoor, the air path device 700 further includes a first air path communicating the indoor heat exchange chamber 100 and the first outdoor heat exchange chamber 200, and a second air path communicating the indoor heat exchange chamber 100 and the second outdoor heat exchange chamber 400, when the switching device 300 is in the first state, the air path device 700 seals the air outlet of the first outdoor heat exchange chamber 200 and the second air path through the valve, and when the switching device 300 is in the second state, the air path device 700 seals the air outlet of the second outdoor heat exchange chamber 400 and the first air.
Wherein the switching device 300 may be configured to switch to the second state when in the first state and the first desiccant 210 is saturated with water, and to switch to the first state when in the second state and the second desiccant 410 is saturated with water. That is, the switching device 300 can be switched automatically according to the saturation condition of the first desiccant 210 or the second desiccant 410. The setting mode improves the intelligence of the air conditioner 10 and improves the user experience.
For example, in some embodiments, humidity sensors may be disposed at the air inlets and the air outlets of the first outdoor heat-exchange chamber 200 and the second outdoor heat-exchange chamber 400, and whether the first desiccant 210 is saturated may be determined according to a difference between humidity values detected by the humidity sensors at the air inlets and the air outlets of the first outdoor heat-exchange chamber 200, and whether the second desiccant 410 is saturated may be determined according to a difference between humidity values detected by the humidity sensors at the air inlets and the air outlets of the second outdoor heat-exchange chamber 400.
The first desiccant 210 may be coated on the outer surface of the first outdoor heat exchanger 220, for example, on the outer surface of the fins of the first outdoor heat exchanger 220, and a humidity sensor may be disposed on the outer surface of the fins of the first outdoor heat exchanger 220, and if the humidity sensor continuously detects that water is generated on the surface of the fins, it indicates that the first desiccant 210 is saturated.
The second desiccant 410 may also be coated on the outer surface of the second outdoor heat exchanger 420, for example, on the outer surface of the fins of the second outdoor heat exchanger 420, and in this case, a humidity sensor may be disposed on the outer surface of the fins of the second outdoor heat exchanger 420, and if the humidity sensor continuously detects that water is generated on the surface of the fins, it indicates that the second desiccant 410 is saturated.
By coating the first desiccant 210 on the outer surface of the first outdoor heat exchanger 220 and the second desiccant 410 on the outer surface of the second outdoor heat exchanger 420, the space of the air conditioner 10 can be saved, which is beneficial to the miniaturization of the air conditioner 10.
In other embodiments, the first desiccant 210 may be disposed at the air inlet or the air outlet of the first outdoor heat exchange chamber 200, and the second desiccant 410 may be disposed at the air inlet or the air outlet of the second outdoor heat exchange chamber 400.
The air conditioner 10 may further include a spray apparatus 800, and the spray apparatus 800 connects the indoor heat-exchange chamber 100 and the external water source 820 to the first and second outdoor heat- exchange chambers 200 and 400 through a spray line. The spray apparatus 800 is configured to spray the accumulated water of the indoor heat exchange chamber 100 and the water of the external water source 820 to the second outdoor heat exchanger 420 in the second outdoor heat exchange chamber 400 when the switching apparatus 300 is in the first state, and to spray the accumulated water of the indoor heat exchange chamber 100 and the water of the external water source 820 to the first outdoor heat exchanger 220 in the first outdoor heat exchange chamber 200 when the switching apparatus 300 is in the second state.
In some embodiments, the spraying device 800 may have a first spraying head and a second spraying head, the first spraying head is communicated with the first outdoor heat-exchange chamber 200, the second spraying head is communicated with the second outdoor heat-exchange chamber 400, when the switching device 300 is in the first state, the first spraying head is closed, the second spraying head is opened, and when the switching device 300 is in the second state, the first spraying head is opened, the second spraying head is closed.
In other embodiments, the spraying device 800 may have only one spraying head, the first outdoor heat exchange chamber 200 and the second outdoor heat exchange chamber 400 are disposed adjacent to each other, the spraying head is disposed between the first outdoor heat exchange chamber 200 and the second outdoor heat exchange chamber 400, a first spraying hole group is disposed on a side of the spraying head facing the first outdoor heat exchange chamber 200, and a second spraying hole group is disposed on a side of the spraying head facing the second outdoor heat exchange chamber 400, at this time, when the switching device 300 is in the first state, the first spraying hole group is closed, the second spraying hole group is opened, and when the switching device 300 is in the second state, the first spraying hole group is opened, and the second spraying hole group is closed.
The arrangement mode of the spraying device 800 can ensure that the outdoor heat exchanger which acts as a condenser is cooled when the air conditioner 10 is in refrigeration operation, thereby ensuring the refrigeration effect and improving the user experience.
The air conditioner 10 may further include a semiconductor refrigeration sheet 900, and a cold end of the semiconductor refrigeration sheet 900 is disposed on the refrigerant pipeline between the first reversing valve 310 and the throttling device 520, and is configured to increase a supercooling degree of the refrigerant passing through the area corresponding to the semiconductor refrigeration sheet 900, so as to further increase a refrigeration effect of the air conditioner 10. The principle of the semiconductor to enhance the cooling effect of the air conditioner 10 is well known to those skilled in the art and will not be described herein.
Wherein the spraying pipeline can be formed with aqua storage tank 810, and the heat dissipation end of semiconductor refrigeration piece 900 sets up in aqua storage tank 810 to improve semiconductor refrigeration piece 900's effect, and owing to there is certain heating to water, make the heat in the evaporation of easier heat absorption of water in order to take away first outdoor heat transfer room 200 or the outdoor heat transfer room 400 of second, promote user experience.
In some embodiments, the switching device 300 may be selected to be in the first state or the second state according to the previous cooling operation state of the air conditioner 10 when the air conditioner 10 starts cooling operation, and in other embodiments, the switching device 300 may be selected to be in any state when the air conditioner 10 starts cooling operation, and then the first state or the second state may be determined according to the saturation state of the first desiccant 210 or the second desiccant 410.
For example, when the air conditioner 10 is in the second state during the last cooling operation and the second desiccant 410 is just in the saturated state, the switching device 300 is in the first state during the last cooling operation, and at this time, the first direction valve 310 connects the outlet of the first outdoor heat exchanger 220 with the inlet of the compressor 510, connects the outlet of the second outdoor heat exchanger 420 with the inlet of the throttling device 520, and the second direction valve 320 connects the inlet of the first outdoor heat exchanger 220 with the outlet of the throttling device 520, and connects the inlet of the second outdoor heat exchanger 420 with the outlet of the compressor 510.
The refrigerant is compressed into high-temperature and high-pressure refrigerant vapor in the compressor 510, the refrigerant vapor enters the second outdoor heat exchanger 420, the refrigerant vapor is condensed in the second outdoor heat exchanger 420 to release heat into high-temperature and high-pressure liquid, the liquid passes through the throttling device 520 and then is decompressed into a low-temperature and low-pressure gas-liquid mixture, the low-temperature and low-pressure gas-liquid mixture enters the indoor heat exchanger 110 and the first outdoor heat exchanger 220, and the refrigerant absorbs heat in the indoor heat exchanger 110 and the first outdoor heat exchanger 220 to be evaporated and then enters the compressor 510 again to.
The air path device 700 closes the air outlet of the first outdoor heat exchange chamber 200 and the second air path through a valve, so that the indoor air respectively enters the indoor heat exchange chamber 100, the first outdoor heat exchange chamber 200 and the second outdoor heat exchange chamber 400 through the air inlet of the indoor heat exchange chamber 100, the air inlet of the first outdoor heat exchange chamber 200 and the air inlet of the second outdoor heat exchange chamber 400, wherein the air entering the indoor heat exchange chamber 100 is discharged to the indoor through the air outlet of the indoor heat exchange chamber 100 after heat exchange, the air entering the first outdoor heat exchange chamber 200 enters the indoor heat exchange chamber 100 through the first air path after heat exchange and dehumidification to be discharged to the indoor through the air outlet of the indoor heat exchange chamber 100, and the air entering the second outdoor heat exchange chamber 400 is subjected to heat exchange and carries moisture resolved by the second desiccant 410 to be discharged to the outdoor.
The switching device 300 is switched to the second state when the first desiccant 210 absorbs water and is saturated, the first reversing valve 310 is connected with the outlet of the first outdoor heat exchanger 220 and the inlet of the throttling device 520, the outlet of the second outdoor heat exchanger 420 and the inlet of the compressor 510, the second reversing valve 320 is connected with the inlet of the first outdoor heat exchanger 220 and the outlet of the compressor 510, and the inlet of the second outdoor heat exchanger 420 and the outlet of the throttling device 520.
The refrigerant is compressed into high-temperature and high-pressure refrigerant vapor in the compressor 510, the refrigerant vapor enters the first outdoor heat exchanger 220, the refrigerant vapor is condensed in the first outdoor heat exchanger 220 to release heat into high-temperature and high-pressure liquid, the liquid passes through the throttling device 520 and then is decompressed into a low-temperature and low-pressure gas-liquid mixture, the low-temperature and low-pressure gas-liquid mixture enters the indoor heat exchanger 110 and the second outdoor heat exchanger 420, and the refrigerant absorbs heat in the indoor heat exchanger 110 and the second outdoor heat exchanger 420 and evaporates, and then enters the compressor 510 again to complete.
The air path device 700 closes the air outlet of the second outdoor heat exchange chamber 400 and the first air path through a valve, so that the indoor air respectively enters the indoor heat exchange chamber 100, the first outdoor heat exchange chamber 200 and the second outdoor heat exchange chamber 400 through the air inlet of the indoor heat exchange chamber 100, the air inlet of the first outdoor heat exchange chamber 200 and the air inlet of the second outdoor heat exchange chamber 400, wherein the air entering the indoor heat exchange chamber 100 is discharged to the indoor through the air outlet of the indoor heat exchange chamber 100 after heat exchange, the air entering the second outdoor heat exchange chamber 400 is dehumidified by heat exchange and then enters the indoor heat exchange chamber 100 through the second air path to be discharged to the indoor through the air outlet of the indoor heat exchange chamber 100, and the air entering the first outdoor heat exchange chamber 200 is subjected to heat exchange and carries moisture resolved by the first desiccant 210 to be discharged to the outdoor.
In some embodiments, the air conditioner 10 may be a single cooling type air conditioner for cooling only, and in other embodiments, the air conditioner may further include a cooling/heating direction valve (not shown) to allow the air conditioner to have both a cooling mode and a heating mode, wherein the air conditioner is used for dehumidification during cooling and humidification during heating.
The present embodiment provides an air conditioner 10, the air conditioner 10 includes an indoor heat exchanger 110, a first outdoor heat exchanger 220, a first desiccant 210, and a switching device 300, the indoor heat exchanger 110 is used as an evaporator when the air conditioner 10 operates in a cooling mode, the first desiccant 210 is used for drying air passing through the first outdoor heat exchanger 220 when the first outdoor heat exchanger 220 is used as another evaporator, and resolving moisture when the first outdoor heat exchanger 220 is used as a condenser. The switching device 300 has a first state in which the first outdoor heat exchanger 220 serves as another evaporator to allow the first desiccant 210 to dry the air passing through the first outdoor heat exchanger 220 and a second state in which the first outdoor heat exchanger 220 serves as a condenser to allow the first desiccant 210 to desorb moisture when the air conditioner 10 is in a cooling operation. And the air conditioner 10 is configured to discharge the air heat-exchanged through the indoor heat exchanger 110 and the air dried by the first desiccant 210 to the indoor when the switching device 300 is in the first state. The air conditioner 10 realizes independent control of temperature and humidity by the air conditioner 10 by switching the first outdoor heat exchanger 220 and the indoor heat exchanger 110 as another evaporator and condenser, and has simple structure, convenient production and contribution to miniaturization of the air conditioner 10. And when the temperature and the humidity can not be independently controlled, the temperature required by the user is not necessarily the temperature required during dehumidification, so the air conditioner 10 is more energy-saving and more easily meets various requirements of the user by independently adjusting the temperature and the humidity.
The air conditioner 10 may further include a second outdoor heat exchanger 420, and the first outdoor heat exchanger 220 and the second outdoor heat exchanger 420 alternately function as an evaporator and a condenser, respectively, so that the air conditioner 10 has a dehumidification function at any time, and user experience is improved, and the first desiccant 210 and the second desiccant 410 absorb moisture, so that the air conditioner 10 does not generate condensation, and user experience is further improved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An air conditioner, comprising:
the indoor heat exchanger is used as an evaporator during the refrigeration operation of the air conditioner;
a first outdoor heat exchanger;
a first desiccant for drying air passing through the first outdoor heat exchanger when the first outdoor heat exchanger functions as another evaporator and resolving moisture when the first outdoor heat exchanger functions as a condenser;
a switching device configured to have a first state in which the first outdoor heat exchanger is made to function as the other evaporator and a second state in which the first outdoor heat exchanger is made to function as the condenser when the air conditioner is in a cooling operation; and is
The air conditioner is configured to discharge air heat-exchanged through the indoor heat exchanger to the indoor when cooling operation and the air dried by the first desiccant to the indoor when the switching device is in the first state.
2. The air conditioner of claim 1, further comprising:
a second outdoor heat exchanger;
a second desiccant for drying air passing through the second outdoor heat exchanger when the second outdoor heat exchanger functions as a further evaporator and for desorbing moisture when the second outdoor heat exchanger functions as a further condenser; and is
When the switching device is in the first state, the second outdoor heat exchanger functions as the other condenser, and when the switching device is in the second state, the second outdoor heat exchanger functions as the other evaporator; and is
The air conditioner is further configured to discharge moisture desorbed by the second desiccant to the outside when the switching device is in the first state, and to discharge the air dried by the second desiccant to the inside of the room and to discharge moisture desorbed by the first desiccant to the outside of the room when the switching device is in the second state.
3. The air conditioner according to claim 2, wherein the air conditioner further comprises a compressor and a throttling device, and
when the air conditioner operates in a refrigerating mode, the outlet of the indoor heat exchanger is connected with the inlet of the compressor, and the inlet of the indoor heat exchanger is connected with the outlet of the throttling device; and the switching device comprises:
a first reversing valve configured to connect an outlet of the first outdoor heat exchanger with an inlet of the compressor and connect an outlet of the second outdoor heat exchanger with an inlet of the throttling device when the switching device is in the first state, and connect an outlet of the first outdoor heat exchanger with an inlet of the throttling device and connect an outlet of the second outdoor heat exchanger with an inlet of the compressor when the switching device is in the second state;
and the second reversing valve is configured to connect the inlet of the first outdoor heat exchanger with the outlet of the throttling device and connect the inlet of the second outdoor heat exchanger with the outlet of the compressor when the switching device is in the first state, and connect the inlet of the first outdoor heat exchanger with the outlet of the compressor and connect the inlet of the second outdoor heat exchanger with the outlet of the throttling device when the switching device is in the second state.
4. The air conditioner of claim 3, further comprising:
the first electromagnetic valve is arranged on a refrigerant pipeline between the indoor heat exchanger and the throttling device, is used for controlling the flow of the refrigerant entering the indoor heat exchanger during the refrigeration of the air conditioner, and is configured to enable the evaporation temperature of the refrigerant in the indoor heat exchanger to be higher than the dew point temperature of air by adjusting the opening degree;
the second electromagnetic valve is arranged on a refrigerant pipeline between the second reversing valve and the first outdoor heat exchanger, is used for controlling the flow of the refrigerant entering the first outdoor heat exchanger during the refrigeration of the air conditioner, and is configured to adjust the opening degree when the switching device is in the first state so that the evaporation temperature of the refrigerant in the first outdoor heat exchanger is lower than the dew point temperature of air;
and the third electromagnetic valve is arranged on a refrigerant pipeline between the second reversing valve and the second outdoor heat exchanger, is used for controlling the flow of the refrigerant entering the second outdoor heat exchanger during the refrigeration of the air conditioner, and is configured to adjust the opening degree when the switching device is in the second state so as to enable the evaporation temperature of the refrigerant in the second outdoor heat exchanger to be lower than the dew point temperature of air.
5. The air conditioner according to claim 3, wherein
The air conditioner is limited with an indoor heat exchange chamber for placing the indoor heat exchanger, a first outdoor heat exchange chamber for placing the first outdoor heat exchanger and a second outdoor heat exchange chamber for placing the second outdoor heat exchanger, the first drying agent is arranged in the first outdoor heat exchange chamber, and the second drying agent is arranged in the second outdoor heat exchange chamber; and the air conditioner further comprises:
atomizer will through the spraying pipeline indoor heat transfer room and outside water source are connected to first outdoor heat transfer room with the outdoor heat transfer room of second to dispose into auto-change over device is in during the first state, will the ponding of indoor heat transfer room and the water at outside water source spray extremely in the outdoor heat transfer room of second the outdoor heat exchanger of second, and be in auto-change over device is in during the second state, will the ponding of indoor heat transfer room and the water at outside water source spray extremely in the first outdoor heat transfer room first outdoor heat exchanger.
6. The air conditioner of claim 5, further comprising:
and the cold end of the semiconductor refrigeration piece is arranged on a refrigerant pipeline between the first reversing valve and the throttling device and is used for improving the supercooling degree of the refrigerant passing through the corresponding area of the semiconductor refrigeration piece.
7. The air conditioner according to claim 6, wherein
The spraying pipeline is formed with a water storage tank, and the heat dissipation end of the semiconductor refrigeration piece is arranged in the water storage tank.
8. The air conditioner as claimed in claim 2, wherein the air intakes of the indoor heat-exchange chamber, the first outdoor heat-exchange chamber and the second outdoor heat-exchange chamber are for sucking indoor air, and the air conditioner further comprises:
an air path device configured to deliver the air dried by the first desiccant in the first outdoor heat exchange chamber into the indoor heat exchange chamber when the switch device is in the first state, to discharge the air dried by the first desiccant into the indoor through the indoor heat exchange chamber, and to discharge the air passing through the second outdoor heat exchanger to the outdoor to carry away moisture desorbed by the second desiccant; and is
When the switching device is in the second state, the air passing through the first outdoor heat exchanger is discharged to the outside to take away moisture resolved by the first desiccant, and the air dried by the second desiccant in the second outdoor heat exchange chamber is sent to the indoor heat exchange chamber, so that the air dried by the first desiccant is discharged to the inside through the indoor heat exchange chamber.
9. The air conditioner according to claim 2, wherein
The switching device is configured to switch to the second state when in the first state and the first desiccant is saturated with water, and to switch to the first state when in the second state and the second desiccant is saturated with water.
10. The air conditioner according to claim 2, wherein
The first desiccant is coated on an outer surface of the first outdoor heat exchanger, and the second desiccant is coated on an outer surface of the second outdoor heat exchanger.
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| CN112361639B (en) | 2022-04-19 |
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