Air conditioner with fresh air dehumidification

Abstract

The present invention discloses an air conditioner with fresh air dehumidification, comprising a chassis, a main condenser is fixedly arranged on one side of the inner middle partition of the chassis, a compressor is arranged on one side of the main condenser, a first pipeline is arranged on the output end of the main condenser, a first flow divider is arranged on the end of the first pipeline away from the main condenser, a first branch and a second branch are arranged on the other two ends of the first flow divider, an end of the first branch away from the first flow divider is connected to a main evaporator, an end of the second branch away from the first flow divider is connected to a dehumidification evaporator, a first throttle valve is arranged on the first branch between the main evaporator and the first flow divider, and a third branch is arranged on the side of the main evaporator away from the first branch. The air conditioner provided by the present invention can meet the indoor cooling demand while meeting the effect of fresh air dehumidification. Compared with the general fresh air dehumidification air conditioner, one dehumidification condenser is reduced, thereby reducing the cost.

Description

Technical Field

[0001] The invention relates to the design field of air conditioners, and in particular to an air conditioner with fresh air dehumidification. Background Art

[0002] In hot weather with high humidity, people will feel stuffy. When the humidity reaches 80% to 100%, the air can hardly absorb water. The sweat of the human body is not easy to be discharged, and it is not easy to evaporate after sweating, which will make people irritable, tired, and lose their appetite. Mold is most likely to grow in a humid environment, and mold can be inhaled into the lungs and easily cause pneumonia or fungal lung disease. Therefore, in hot and humid areas in summer, people are very much looking forward to dehumidifying air conditioners.

[0003] The search proposal with patent search number ZLJS20193669 discloses an air-conditioning unit with a separate dehumidification system. However, this air-conditioning unit uses two condensers at the same time, which is costly and complex to control. Therefore, it is necessary to provide an air-conditioning unit with fresh air dehumidification to solve the above problems.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0005] The object of the present invention is to provide an air conditioner with fresh air dehumidification to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an air conditioner with fresh air dehumidification, comprising a chassis, a main condenser is fixedly provided on one side of the inner middle partition of the chassis, a compressor is provided on one side of the main condenser, a first pipeline is provided at the output end of the main condenser, a first splitter is provided at the end of the first pipeline away from the main condenser, a first branch and a second branch are provided at the other two ends of the first splitter, an end of the first branch away from the first splitter is connected to the main evaporator, an end of the second branch away from the first splitter is connected to the dehumidification evaporator, a third branch is provided on the side of the main evaporator away from the first branch, a second splitter is provided at the end of the third branch away from the main evaporator, a second pipeline and a dehumidification evaporator outlet pipe are respectively provided at the other end of the second splitter, the other end of the second pipeline is connected to the compressor, the other end of the dehumidification evaporator outlet pipe is connected to the dehumidification evaporator, and the end of the dehumidification evaporator away from the dehumidification evaporator outlet pipe is connected to the dehumidification evaporator inlet pipe.

[0007] Furthermore, a first throttle valve is provided on the first branch path between the main evaporator and the first splitter.

[0008] Furthermore, a second throttle valve is provided on one side of the solenoid valve and located on the inlet pipe of the dehumidification evaporator.

[0009] Furthermore, a solenoid valve is provided on the inlet pipe of the dehumidification evaporator, and the inlet pipe of the dehumidification evaporator is connected to a second branch at one end away from the dehumidification evaporator.

[0010] Furthermore, a dehumidification filter is provided in front of the dehumidification evaporator, and the dehumidification filter is close to the bottom of the chassis.

[0011] Furthermore, a dehumidification fan is provided on a side of the dehumidification filter away from the dehumidification evaporator.

[0012] Furthermore, a middle partition is provided on a side of the dehumidification evaporator away from the dehumidification filter, and a bottom of the middle partition is fixedly connected to the chassis.

[0013] Furthermore, a damper is provided in the middle of the middle partition, and a damper motor is provided on one side of the damper located on the middle partition.

[0014] Furthermore, an indoor air duct is provided on a side of the damper away from the damper motor.

[0015] Furthermore, indoor fan blades are provided in the indoor air duct.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The compressor sends the compressed high-temperature and high-pressure liquid refrigerant to the main condenser for cooling. The first splitter provided on the first pipeline at one end of the main condenser will send the compressed and condensed liquid refrigerant to the first branch and the second branch respectively, and the first throttle valve on the first branch and the second throttle valve on the second branch will throttle the input compressed liquid refrigerant, and then input it to the main evaporator and the dehumidification evaporator respectively to vaporize and absorb heat, so that the two evaporators are cooled, and the vaporized refrigerant enters the compressor together with the pipeline to be compressed into liquid refrigerant and enters again The next cycle starts in the main condenser; when the outdoor humid air passes through the dehumidification evaporator, the surface temperature of the dehumidification evaporator is low, which is lower than the dew point temperature of the air, so that the moisture in the air is cooled and condensed into water and flows out, thereby achieving the air dehumidification effect. The solenoid valve 6 cooperates with the damper motor 14 to open and close the fresh air dehumidification function at any time; the device uses a compressor and a main condenser, which can meet the indoor cooling demand while meeting the fresh air dehumidification effect. Compared with the general fresh air dehumidification air conditioner, it reduces one dehumidification condenser and reduces the cost;

[0018] (2) The dehumidification filter can initially filter the dirty air entering the room from the outside, reduce the dirt blockage of the dehumidification evaporator, and greatly increase the patency. The dehumidification fan can deliver outdoor air into the room. The middle partition is the interface between the indoor and outdoor areas, and can support the indoor fan blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a structural schematic diagram of an air conditioner with fresh air dehumidification according to an embodiment of the present invention;

[0021] Figure 2 The diagram is a schematic diagram of the system structure of an air conditioner with fresh air dehumidification according to an embodiment of the present invention.

[0022] Reference numerals:

[0023] 1. Compressor; 2. Chassis; 3. First diverter; 4. First throttle valve; 5. Second throttle valve; 6. Solenoid valve; 7. Second diverter; 8. Dehumidification evaporator inlet pipe; 9. Dehumidification evaporator outlet pipe; 10. Main condenser; 11. Dehumidification fan; 12. Dehumidification filter; 13. Dehumidification evaporator; 14. Damper motor; 15. Middle partition; 16. Damper; 17. Indoor air duct; 18. Indoor fan blades; 19. Main evaporator; 80. First pipeline; 81. First branch; 82. Second branch; 90. Second pipeline; 91. Third branch. DETAILED DESCRIPTION

[0024] Below, the invention is further described in conjunction with the accompanying drawings and specific embodiments:

[0025] Embodiment 1:

[0026] See also Figure 1-2According to an embodiment of the present invention, an air conditioner with fresh air dehumidification includes a chassis 2, a main condenser 10 is fixedly provided on one side of a middle partition 15 inside the chassis 2, a compressor 1 is provided on one side of the main condenser 10, a first pipeline 80 is provided at the output end of the main condenser 10, a first splitter 3 is provided at one end of the first pipeline 80 away from the main condenser 10, a first splitter 3 is provided at the other two ends of the first splitter 3, a first splitter 81 and a second splitter 82 are respectively provided, an end of the first splitter 81 away from the first splitter 3 is connected to a main evaporator 19, an end of the second splitter 82 away from the first splitter 3 is connected to a dehumidification evaporator 13, the main evaporator 19 and A first throttle valve 4 is provided on the first branch 81 between the first flow dividers 3, a third branch 91 is provided on the side of the main evaporator 19 away from the first branch 81, a second flow divider 7 is provided on the end of the third branch 91 away from the main evaporator 19, a second pipeline 90 and a dehumidification evaporator outlet pipe 9 are provided on the other end of the second flow divider 7, the other end of the second pipeline 90 is connected to the compressor 1, the other end of the dehumidification evaporator outlet pipe 9 is connected to the dehumidification evaporator 13, the end of the dehumidification evaporator 13 away from the dehumidification evaporator outlet pipe 9 is connected to the dehumidification evaporator inlet pipe 8, and a solenoid valve 6 is provided on the dehumidification evaporator inlet pipe 8. A second throttle valve 5 is provided on one side of the valve 6, and the dehumidification evaporator inlet pipe 8 is connected to the second branch 82 at one end of the dehumidification evaporator 13. First, the compressor 1 sends the compressed high-temperature and high-pressure liquid refrigerant to the main condenser 10 for cooling. The first splitter 3 provided on the first pipeline 80 at one end of the main condenser 10 will send the compressed condensed liquid refrigerant to the first branch 81 and the second branch 82 respectively, and the first throttle valve 4 on the first branch 81 and the second throttle valve 5 on the second branch 82 will throttle the input compressed liquid refrigerant, and then input it into the main evaporator 19 and the dehumidification evaporator 13 respectively for vaporization and heat absorption. , so that the two evaporators are cooled, and the vaporized refrigerant enters the compressor together with the pipeline and is compressed into liquid refrigerant and enters the main condenser again to start the next cycle; when the outdoor humid air passes through the dehumidification evaporator 13, because the surface temperature of the dehumidification evaporator is low, which is lower than the dew point temperature of the air, the moisture in the air is cooled and condensed into water and flows out, thereby achieving the air dehumidification effect. The solenoid valve 6 cooperates with the damper motor 14 to open and close the fresh air dehumidification function at any time; the device uses a compressor and a main condenser, which can meet the indoor cooling needs while meeting the fresh air dehumidification effect. Compared with the general fresh air dehumidification air conditioner, one condenser is reduced, which reduces the cost.

[0027] Embodiment 2:

[0028] See also Figure 1-2For the dehumidification evaporator 13, a dehumidification filter 12 is provided in front of the dehumidification evaporator 13, and the dehumidification filter 12 is close to the chassis 2. The dehumidification filter 12 can preliminarily filter the dirty air entering the room from the outside, reduce the dirty blockage of the dehumidification evaporator, and greatly increase the patency; for the dehumidification filter 12, a dehumidification fan 11 is provided on the side of the dehumidification filter 12 away from the dehumidification evaporator 13, and the dehumidification fan 11 can send outdoor air into the room; for the dehumidification evaporator 13, a middle partition 15 is provided on the side of the dehumidification evaporator 13 away from the dehumidification filter 12, and the bottom of the middle partition 15 is connected to the bottom of the dehumidification filter 12. The chassis 2 is fixedly connected, and the middle partition 15 is the interface between the indoor and outdoor areas, which can support the indoor fan blades 18; for the middle partition 15, a damper 16 is opened in the middle of the middle partition 15, and a damper motor 14 is provided on one side of the damper 16, and the damper motor 14 opens and closes the passage for outdoor air to enter the room; for the damper 16, an indoor air duct 17 is provided on the side of the damper 16 away from the damper motor 14, and the indoor air duct 17 facilitates the entry of outdoor air; for the indoor air duct 17, an indoor fan blade 18 is provided in the indoor air duct 17 to increase the flow of indoor air.

[0029] In summary, with the aid of the above technical solutions of the present invention, in order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation mode of the present invention in the actual process is described in detail below:

[0030] In actual application, the compressor 1 first sends the high-temperature and high-pressure liquid refrigerant to the main condenser 10 for cooling. The first splitter 3 provided on the first pipeline 80 at one end of the main condenser 10 will send the compressed and condensed liquid refrigerant to the first branch 81 and the second branch 82 respectively, and the first throttle valve 4 on the first branch 81 and the second throttle valve 5 on the second branch 82 will throttle the input liquid refrigerant, and then respectively input it to the main evaporator 19 and the dehumidification evaporator 13 to vaporize and absorb heat, so that the two evaporators are cooled, and the vaporized refrigerant enters the compressor together with the pipeline to be compressed. The refrigerant shrinks into liquid and enters the main condenser again to start the next cycle; when the outdoor humid air passes through the dehumidification evaporator 13, the surface temperature of the dehumidification evaporator is low, which is lower than the dew point temperature of the air, so that the moisture in the air is cooled and condensed into water and flows out, thereby achieving the air dehumidification effect. The solenoid valve 6 cooperates with the damper motor 14 to open and close the fresh air dehumidification function at any time; the device uses a compressor and a main condenser, which can meet the indoor cooling needs while meeting the fresh air dehumidification effect. Compared with the general fresh air dehumidification air conditioner, one dehumidification condenser is reduced, which reduces the cost.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air conditioner with fresh air dehumidification, It is characterized in that The invention comprises a chassis (2), wherein a main condenser (10) is fixedly arranged on one side of a middle partition (15) inside the chassis (2), a compressor (1) is arranged on one side of the main condenser (10), a first pipeline (80) is arranged at an output end of the main condenser (10), a first flow divider (3) is arranged at one end of the first pipeline (80) away from the main condenser (10), a first branch (81) and a second branch (82) are arranged at the other two ends of the first flow divider (3), the first branch (81) is connected to a main evaporator (19) at one end away from the first flow divider (3), and the second branch (82) is connected to the main evaporator (19) at one end away from the first flow divider (3). One end is connected to the dehumidification evaporator (13); a third branch (91) is provided on a side of the main evaporator (19) away from the first branch (81); a second flow divider (7) is provided on one end of the third branch (91) away from the main evaporator (19); a second pipeline (90) and a dehumidification evaporator outlet pipe (9) are provided on the other end of the second flow divider (7); the other end of the second pipeline (90) is connected to the compressor (1); the other end of the dehumidification evaporator outlet pipe (9) is connected to the dehumidification evaporator (13); and the end of the dehumidification evaporator (13) away from the dehumidification evaporator outlet pipe (9) is connected to the dehumidification evaporator inlet pipe (8); A first throttle valve (4) is provided on the first branch path (81) between the main evaporator (19) and the first flow divider (3); A second throttle valve (5) is provided on one side of the solenoid valve (6) and located on the dehumidification evaporator inlet pipe (8); A solenoid valve (6) is provided on the dehumidification evaporator inlet pipe (8), and one end of the dehumidification evaporator inlet pipe (8) away from the dehumidification evaporator (13) is connected to a second branch (82).

2. An air conditioner with fresh air dehumidification according to claim 1, It is characterized in that A dehumidification filter (12) is provided in front of the dehumidification evaporator (13), and the dehumidification filter (12) is closely adjacent to the bottom plate (2).

3. An air conditioner with fresh air dehumidification according to claim 2, It is characterized in that A dehumidification fan (11) is provided on a side of the dehumidification filter (12) away from the dehumidification evaporator (13).

4. An air conditioner with fresh air dehumidification according to claim 2, It is characterized in that A middle partition (15) is provided on a side of the dehumidification evaporator (13) away from the dehumidification filter (12), and the bottom of the middle partition (15) is fixedly connected to the bottom plate (2).

5. An air conditioner with fresh air dehumidification according to claim 1, It is characterized in that A damper (16) is provided in the middle of the middle partition (15), and a damper motor (14) is provided on one side of the damper (16) and located on the middle partition (15).

6. An air conditioner with fresh air dehumidification according to claim 5, It is characterized in that An indoor air duct (17) is provided on a side of the damper (16) away from the damper motor (14).

7. An air conditioner with fresh air dehumidification according to claim 6, It is characterized in that Indoor fan blades (18) are provided in the indoor air duct (17).

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