CN214468932U - Refrigeration and heating bidirectional dehumidification air conditioner - Google Patents
Refrigeration and heating bidirectional dehumidification air conditioner Download PDFInfo
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- CN214468932U CN214468932U CN202120131225.6U CN202120131225U CN214468932U CN 214468932 U CN214468932 U CN 214468932U CN 202120131225 U CN202120131225 U CN 202120131225U CN 214468932 U CN214468932 U CN 214468932U
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Abstract
The utility model relates to the technical field of air conditioners, and provides a refrigeration and heating bidirectional dehumidification air conditioner, which comprises a compressor, an outdoor heat exchanger and an indoor heat exchanger; the indoor heat exchanger comprises an indoor upper heat exchanger and an indoor lower heat exchanger which are connected in series, a first dehumidification valve control part and a second dehumidification valve control part are connected between the indoor upper heat exchanger and the indoor lower heat exchanger, and the first dehumidification valve control part and the second dehumidification valve control part are connected in parallel; the outdoor heat exchanger is an outdoor heat exchanger with an electronic expansion valve, one end of the outdoor heat exchanger is connected with the indoor upper heat exchanger, the other end of the outdoor heat exchanger is connected with the compressor, and the other end of the compressor is connected with the indoor lower heat exchanger. The utility model has two dehumidification modes under heating operation and refrigerating operation; when the heating operation is carried out, the dehumidification amount is small, and the room is dehumidified and heated; during the refrigeration operation, the dehumidification amount is larger, and the air conditioner is suitable for long-term electricity-saving dehumidification in an unoccupied state of a room.
Description
Technical Field
The utility model relates to an air conditioner technical field especially relates to a refrigeration heats two-way dehumidification air conditioner.
Background
The existing household air conditioner has a dehumidification function, but the traditional household air conditioner can only dehumidify when a refrigeration system operates, and in the dehumidification process, not only is room dehumidification performed, but also the temperature of a room is reduced. Therefore, after the dehumidification function is turned on, the user who happens to get whiz with the dehumidified cold wind is shaken, which causes discomfort to the body and poor user experience.
Based on the above, there is an urgent need for an air conditioner which not only has a dehumidification function, but also can not reduce the temperature in the dehumidification process, thereby meeting the climate requirement of south with high low temperature and humidity in winter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a refrigeration and heating two-way dehumidification air conditioner is provided, it not only takes the dehumidification function, does not lower the temperature dehumidification when can also realizing the refrigeration operation, heats the efficiency of hot dehumidification when moving.
The utility model discloses a following technical scheme solves above-mentioned technical problem:
a refrigeration and heating bidirectional dehumidification air conditioner comprises a compressor, an outdoor heat exchanger and an indoor heat exchanger; the indoor heat exchanger comprises an indoor upper heat exchanger and an indoor lower heat exchanger, the indoor upper heat exchanger and the indoor lower heat exchanger are connected in series through a pipeline, a first dehumidification valve control component and a second dehumidification valve control component are connected between the indoor upper heat exchanger and the indoor lower heat exchanger, and the first dehumidification valve control component and the second dehumidification valve control component are connected in parallel; the outdoor heat exchanger is an outdoor heat exchanger with an electronic expansion valve, one end of the outdoor heat exchanger is connected with the indoor upper heat exchanger, the other end of the outdoor heat exchanger is connected with the compressor, and the other end of the compressor is connected with the indoor lower heat exchanger.
As one of the preferable modes of the present invention, the first dehumidification valve control part is formed by connecting a first check valve and a second dehumidification valve in series, and the second dehumidification valve control part is formed by connecting a second check valve and a second dehumidification valve in series.
In a preferred embodiment of the present invention, the first and second dehumidification valve control units are set to "ON" and "OFF" states, respectively.
As one preferable aspect of the present invention, when the first dehumidification valve control means is in an "ON" state: the first dehumidification valve and the first one-way valve are in an 'ON' state, a coil in the first dehumidification valve is attracted to form a throttling short pipe, and the first one-way valve is opened; the pipeline where the first dehumidification valve control part is located forms a refrigerant throttling channel;
when the first dehumidification valve control means is in the "OFF" state: the first dehumidification valve and the first one-way valve are in an OFF state, a coil in the first dehumidification valve is opened, and the first one-way valve is closed; and the pipeline where the first dehumidification valve control part is located forms a refrigerant stop channel.
As one preferable aspect of the present invention, when the second dehumidification valve control means is in an "ON" state: the second dehumidification valve and the second one-way valve are in an ON state, a coil in the second dehumidification valve is attracted to form a throttling short pipe, and the second one-way valve is opened; the pipeline where the second dehumidification valve control part is located forms a refrigerant throttling channel;
when the second dehumidification valve control means is in the "OFF" state: the second dehumidification valve and the second one-way valve are in an OFF state, a coil in the second dehumidification valve is opened, and the second one-way valve is closed; and the pipeline where the second dehumidification valve control part is located forms a refrigerant stop channel.
As one of the preferable modes of the present invention, a two-way stop valve is provided between the outdoor heat exchanger and the indoor upper heat exchanger.
As one preferable mode of the present invention, a four-way valve is provided between the outdoor heat exchanger and the compressor.
As one of the preferable modes of the present invention, the compressor and the three-way stop valve are provided between the indoor lower heat exchanger.
As one of the preferable modes of the utility model, the utility model also comprises a cross flow fan; the cross flow fan is disposed at the indoor heat exchanger.
As one of the preferable modes of the utility model, the utility model also comprises an indoor machine drain pipe; one end of the indoor unit drain pipe is connected with the indoor heat exchanger, and the other end of the indoor unit drain pipe is connected with the outside.
The utility model discloses the air conditioner has two kinds of dehumidification modes: (1) a dehumidification mode (thermal dehumidification) in the heating operation of the air conditioning system; (2) and (4) a dehumidification mode (no temperature reduction and dehumidification) under the refrigeration operation of the air conditioning system. When heating operation dehumidification (thermal dehumidification) is carried out, high-temperature and high-pressure gas refrigerant discharged by the compressor enters the indoor lower heat exchanger to be condensed into liquid refrigerant, heat is released, and indoor air is heated; then, as the first dehumidification valve and the first one-way valve are adjusted to be in an 'ON' state, the second dehumidification valve and the second one-way valve are in an 'OFF' state, the liquid refrigerant throttles the refrigerant in the first dehumidification valve through the throttling short pipe in the first dehumidification valve, and the throttled low-pressure refrigerant flows into the indoor upper heat exchanger to evaporate and absorb heat, so that certain indoor air temperature is reduced, and the dehumidification function is realized. When the dehumidification mode (no temperature reduction and dehumidification) is carried out under the refrigeration operation, the high-temperature and high-pressure gas refrigerant discharged by the compressor enters the outdoor heat exchanger to be condensed into liquid refrigerant; then, as the electronic expansion valve of the outdoor heat exchanger is completely opened without throttling, the liquid refrigerant enters the indoor upper heat exchanger to carry out secondary condensation heat release; then, as the second dehumidification valve and the second one-way valve are adjusted to be in an 'ON' state, the first dehumidification valve and the first one-way valve are in an 'OFF' state, the liquid refrigerant throttles the refrigerant in the second dehumidification valve through the throttling short pipe in the second dehumidification valve, and the throttled low-pressure refrigerant flows into the indoor lower heat exchanger to evaporate and absorb heat, so that certain indoor air temperature is reduced, and the dehumidification function is realized.
The utility model discloses compare prior art's advantage and lie in:
(1) the utility model integrates the room air conditioner and the dehumidifier into a whole, simplifies the number of components, reduces the occupied space of the components and reduces the cost;
(2) each path of the dehumidification valve of the utility model is respectively connected with 1 one-way valve in series, so that when the refrigerant in the pipeline of the dehumidification valve flows during heating and refrigerating, the one-way flow is ensured; the utility model discloses the air conditioner has two kinds of dehumidification modes: the method comprises the following steps of (1) dehumidifying mode (thermal dehumidification) under heating operation of an air conditioning system and (non-cooling dehumidification) under refrigerating operation of the air conditioning system); when heating operation (thermal dehumidification) is carried out, the dehumidification amount is small, the dehumidification device is suitable for room environment at the temperature of 8-20 ℃, not only can dehumidify a room, but also can heat the room, and the requirements of large-humidity, cool and humid weather in winter at seaside and in southern areas are met; when the refrigeration operation (cooling and dehumidification are not performed), the dehumidification amount is large, and the power-saving dehumidification device is suitable for long-term power saving dehumidification under the condition that a room is not occupied;
(3) the common dehumidifier needs to often and manually remove accumulated water in the water tank, and the operation is troublesome; the utility model discloses the comdenstion water that the air conditioner produced at the dehumidification in-process can directly arrange the outdoor side through the indoor set drain pipe, has avoided the trouble that often falls water and brings.
Drawings
FIG. 1 is a schematic view of a refrigerating and heating bidirectional dehumidifying air conditioner in embodiment 1 in a hot dehumidifying mode;
fig. 2 is a schematic configuration diagram of a cooling and heating bi-directional dehumidification air conditioner in embodiment 1 in a non-cooling dehumidification mode.
In the figure: 1 is a compressor, 2 is an outdoor heat exchanger, 3 is an indoor heat exchanger, 31 is an indoor upper heat exchanger, 32 is an indoor lower heat exchanger, 33 is a first dehumidification valve control part, 331 is a first one-way valve, 332 is a first dehumidification valve, 34 is a second dehumidification valve control part, 341 is a second one-way valve, 342 is a second dehumidification valve, 4 is an electronic expansion valve, 5 is a two-way stop valve, 6 is a four-way valve, 7 is a three-way stop valve, and 8 is a cross-flow fan.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1-2, a refrigerating and heating bidirectional dehumidifying air conditioner of the present embodiment includes a compressor 1, an outdoor heat exchanger 2, and an indoor heat exchanger 3. The indoor heat exchanger 3 includes an indoor upper heat exchanger 31 and an indoor lower heat exchanger 32, the indoor upper heat exchanger 31 and the indoor lower heat exchanger 32 are connected in series through a pipeline, a first dehumidification valve control part 33 and a second dehumidification valve control part 34 are connected between the indoor upper heat exchanger 31 and the indoor lower heat exchanger 32, and the first dehumidification valve control part 33 and the second dehumidification valve control part 34 are connected in parallel. The outdoor heat exchanger 2 is an outdoor heat exchanger 2 with an electronic expansion valve 4, one end of the outdoor heat exchanger 2 is connected with the indoor upper heat exchanger 31, the other end of the outdoor heat exchanger 2 is connected with the compressor 1, and the other end of the compressor 1 is connected with the indoor lower heat exchanger 32.
Further, in the present embodiment, the first dehumidification valve control means 33 is formed by connecting the first check valve 331 and the second dehumidification valve 332 in series, and has two states of "ON" and "OFF"; the second dehumidification valve control unit 34 is formed by connecting the second check valve 341 and the second dehumidification valve 342 in series, and also has two states of "ON" and "OFF".
When the first dehumidification valve control part 33 is in the "ON" state: the first dehumidification valve 332 and the first one-way valve 331 are adjusted to be in an 'ON' state, at the moment, a coil in the first dehumidification valve 332 is attracted to form a short throttling pipe, and the first one-way valve 331 is opened; in this state, the pipeline in which the first dehumidification valve control part 33 is located constitutes a refrigerant throttle passage.
When the first dehumidification valve control part 33 is in the "OFF" state: the first dehumidification valve 332 and the first one-way valve 331 are turned to an "OFF" state, at this time, the coil in the first dehumidification valve 332 is opened, and the first one-way valve 331 is closed; in this state, the pipeline where the first dehumidification valve control part 33 is located constitutes a refrigerant cutoff passage.
Likewise, when the second dehumidification valve control member 34 is in the "ON" state: the second dehumidification valve 342 and the second one-way valve 341 are adjusted to an "ON" state, at this time, the coil in the second dehumidification valve 342 is attracted to form a short throttling pipe, and the second one-way valve 341 is opened; in this state, the pipeline where the second dehumidification valve control part 34 is located constitutes a refrigerant throttling channel.
When the second dehumidification valve control member 34 is in the OFF state: the second dehumidification valve 342 and the second check valve 341 are turned to "OFF" state, at this time, the coil in the second dehumidification valve 342 is opened, and the second check valve 341 is closed; in this state, the pipeline where the second dehumidification valve control part 34 is located constitutes a refrigerant cutoff passage.
In the present embodiment, in order to facilitate the realization and operation of the respective functions, the two-way shutoff valve 5 is provided between the outdoor heat exchanger 2 and the indoor upper heat exchanger 31, the four-way valve 6 is provided between the outdoor heat exchanger 2 and the compressor 1, and the three-way shutoff valve 7 is provided between the compressor 1 and the indoor lower heat exchanger 32. During the dehumidification operation, the electronic expansion valve 4 of the exterior heat exchanger 2 is fully opened, and the refrigerant therein is not throttled.
Meanwhile, in the present embodiment, in order to facilitate the indoor heat exchange process, the present embodiment apparatus is further provided with a cross flow fan 8. The cross flow fan 8 is provided at the indoor heat exchanger 3 to promote heat exchange thereat.
In addition, in the present embodiment, in order to facilitate outflow of condensed water generated during the dehumidification process, the apparatus of the present embodiment is further provided with an indoor unit drain pipe (not shown); one end of the indoor unit drain pipe is connected with the indoor heat exchanger 3, and the other end is connected with the outdoor.
The air conditioner of the embodiment has two dehumidification modes: (1) a dehumidification mode (thermal dehumidification) in the heating operation of the air conditioning system; (2) and (4) a dehumidification mode (no temperature reduction and dehumidification) under the refrigeration operation of the air conditioning system.
Referring to fig. 1 (arrows indicate a refrigerant flowing direction), when dehumidification (heat dehumidification) is performed in a heating operation, a high-temperature and high-pressure gas refrigerant discharged from a compressor 1 enters an indoor lower heat exchanger 32 to be condensed into a liquid refrigerant, and releases heat to heat indoor air; then, since the first dehumidification valve 332 and the first one-way valve 331 are turned to the "ON" state, and the second dehumidification valve 342 and the second one-way valve 341 are turned to the "OFF" state, the liquid refrigerant throttles the refrigerant therein by the throttling short pipe inside the first dehumidification valve 332, and the throttled low-pressure refrigerant flows into the indoor upper heat exchanger 31 to evaporate and absorb heat, thereby reducing a certain indoor air temperature to realize the dehumidification function.
Referring to fig. 2 (arrows indicate the flow direction of refrigerant), when a dehumidification mode (without temperature reduction and dehumidification) is performed in a cooling operation, a high-temperature and high-pressure gas refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 2 to be condensed into a liquid refrigerant; then, as the electronic expansion valve 4 is completely opened, the liquid refrigerant enters the indoor upper heat exchanger 31 to carry out secondary condensation and heat release; then, since the second dehumidification valve 342 and the second one-way valve 341 are turned to the "ON" state, the first dehumidification valve 332 and the first one-way valve 331 are turned to the "OFF" state, the liquid refrigerant throttles the refrigerant therein by the throttling short pipe inside the second dehumidification valve 342, and the throttled low-pressure refrigerant flows into the indoor lower heat exchanger 32 to evaporate and absorb heat, thereby reducing a certain indoor air temperature to realize the dehumidification function.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A refrigeration and heating bidirectional dehumidification air conditioner is characterized by comprising a compressor, an outdoor heat exchanger and an indoor heat exchanger; the indoor heat exchanger comprises an indoor upper heat exchanger and an indoor lower heat exchanger, the indoor upper heat exchanger and the indoor lower heat exchanger are connected in series through a pipeline, a first dehumidification valve control component and a second dehumidification valve control component are connected between the indoor upper heat exchanger and the indoor lower heat exchanger, and the first dehumidification valve control component and the second dehumidification valve control component are connected in parallel; the outdoor heat exchanger is an outdoor heat exchanger with an electronic expansion valve, one end of the outdoor heat exchanger is connected with the indoor upper heat exchanger, the other end of the outdoor heat exchanger is connected with the compressor, and the other end of the compressor is connected with the indoor lower heat exchanger.
2. A cooling and heating bi-directional dehumidification air conditioner according to claim 1, wherein the first dehumidification valve control unit is formed by connecting a first one-way valve and a second dehumidification valve in series, and the second dehumidification valve control unit is formed by connecting a second one-way valve and a second dehumidification valve in series.
3. A cooling and heating bi-directional dehumidification air conditioner according to claim 2, wherein the first and second dehumidification valve control means are set to "ON" and "OFF" states, respectively.
4. A cooling and heating bi-directional dehumidifying air conditioner according to claim 3, wherein when the first dehumidifying valve control part is in an "ON" state: the first dehumidification valve and the first one-way valve are in an 'ON' state, a coil in the first dehumidification valve is attracted to form a throttling short pipe, and the first one-way valve is opened; the pipeline where the first dehumidification valve control part is located forms a refrigerant throttling channel;
when the first dehumidification valve control means is in the "OFF" state: the first dehumidification valve and the first one-way valve are in an OFF state, a coil in the first dehumidification valve is opened, and the first one-way valve is closed; and the pipeline where the first dehumidification valve control part is located forms a refrigerant stop channel.
5. A cooling and heating bi-directional dehumidifying air conditioner according to claim 3, wherein when the second dehumidifying valve control part is in an "ON" state: the second dehumidification valve and the second one-way valve are in an ON state, a coil in the second dehumidification valve is attracted to form a throttling short pipe, and the second one-way valve is opened; the pipeline where the second dehumidification valve control part is located forms a refrigerant throttling channel;
when the second dehumidification valve control means is in the "OFF" state: the second dehumidification valve and the second one-way valve are in an OFF state, a coil in the second dehumidification valve is opened, and the second one-way valve is closed; and the pipeline where the second dehumidification valve control part is located forms a refrigerant stop channel.
6. A cooling and heating bi-directional dehumidifying air conditioner according to claim 1, wherein a two-way shutoff valve is provided between the outdoor heat exchanger and the indoor upper heat exchanger.
7. A bi-directional dehumidifying air conditioner as claimed in claim 1, wherein a four-way valve is provided between the outdoor heat exchanger and the compressor.
8. A refrigerating and heating bidirectional dehumidifying air conditioner as claimed in claim 1, wherein a three-way shutoff valve is provided between said compressor and said indoor lower heat exchanger.
9. A bi-directional dehumidifying air conditioner as claimed in any one of claims 1 to 8, further comprising a cross-flow fan; the cross flow fan is disposed at the indoor heat exchanger.
10. A refrigerating and heating bidirectional dehumidifying air conditioner according to any one of claims 1 to 8, further comprising an indoor unit drain pipe; one end of the indoor unit drain pipe is connected with the indoor heat exchanger, and the other end of the indoor unit drain pipe is connected with the outside.
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CN202120131225.6U CN214468932U (en) | 2021-01-18 | 2021-01-18 | Refrigeration and heating bidirectional dehumidification air conditioner |
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CN202120131225.6U CN214468932U (en) | 2021-01-18 | 2021-01-18 | Refrigeration and heating bidirectional dehumidification air conditioner |
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