CN217330058U

CN217330058U - Four-pipe type air conditioning system

Info

Publication number: CN217330058U
Application number: CN202220782395.5U
Authority: CN
Inventors: 林祖武; 陈富
Original assignee: Zhuhai Jinpin Venture Sharing Platform Technology Co Ltd
Current assignee: Zhuhai Jinpin Venture Sharing Platform Technology Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-30
Anticipated expiration: 2032-04-02

Abstract

The utility model provides a four-pipe air conditioning system, which comprises a compressor, a three-way valve, a condenser, a filter, a first evaporator and a second evaporator; the three-way valve is provided with a first port, a second port and a third port; the compressor is provided with a first air inlet and a first air outlet, the first air outlet of the compressor is communicated with the third interface of the three-way valve, and the first air inlet is communicated with the first evaporator through a first pipeline; the condenser is communicated with a second interface of the three-way valve through a second pipeline, and the condenser is communicated with the filter through a third pipeline; the first evaporator is communicated with the filter through a sixth pipeline, and the second evaporator is communicated with the filter through a seventh pipeline. The utility model provides a four-pipe air conditioning system's simple structure, control logic is simple, can enough satisfy the dehumidification demand that the user is conventional, can satisfy the user again and only dehumidify the specific demand that does not cool down, helps promoting user experience, improves the degree of satisfaction of user and the travelling comfort of air conditioner.

Description

Four-pipe type air conditioning system

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to a four tubular air conditioning system.

Background

In the living environment of modern society, the demand of people for life is continuously increasing, and the establishment of comfortable living and working environment is an increasingly urgent matter at present. With the continuous movement of the air conditioner into the families of common people, the air conditioner can meet the requirements not only for refrigeration and heating in the traditional sense. At present, the dehumidification mode of the air conditioning system is actually a process of condensing and then discharging water vapor in the indoor environment on evaporator fins by using a refrigeration method. The dehumidification method of the common air conditioner is that the air conditioner is controlled to operate by setting the temperature by a user and operating the fan at the lowest speed, and the control strategy is to control the operation of the air conditioner according to the temperature set by the user and the lowest speed. Therefore, at the same set temperature, the dehumidification mode is often still cooler than the refrigeration mode, but in the case of humid weather with low temperature such as plum rain weather, the temperature is reduced by operating refrigeration, and the comfort of the user is seriously affected.

Disclosure of Invention

An object of the utility model is to solve the dehumidification method of current air conditioner can make indoor temperature decline a lot, lead to the indoor temperature of dehumidification mode often than the indoor temperature of refrigeration mode still shortcoming will be low, provide a four-pipe air conditioning system.

The utility model provides a technical scheme that its technical problem adopted is: a four-pipe air conditioning system comprises a compressor, a three-way valve, a condenser, a filter, a first evaporator and a second evaporator; the three-way valve is provided with a first port, a second port and a third port; the compressor is provided with a first air inlet and a first air outlet, the first air outlet of the compressor is communicated with the third interface of the three-way valve, and the first air inlet is communicated with the first evaporator through a first pipeline; the condenser is communicated with a second interface of the three-way valve through a second pipeline, and the condenser is communicated with the filter through a third pipeline; a first port of the three-way valve is communicated with the second evaporator through a fourth pipeline; the first evaporator is communicated with the filter through a sixth pipeline, and the second evaporator is communicated with the filter through a seventh pipeline.

Further, the outdoor air conditioner also comprises an outdoor fan arranged on the front side of the condenser.

Further, the indoor fan is arranged in front of the first evaporator and the second evaporator.

Further, the first pipeline and the fourth pipeline are communicated through a fifth pipeline, and a first electromagnetic valve is arranged on the fifth pipeline.

Specifically, the first pipeline is provided with a first stop valve at a connection end with the first evaporator.

Specifically, the fourth pipeline is provided with a second stop valve at a connecting section with the second evaporator.

Further, a throttling device and a third stop valve are arranged on the sixth pipeline.

Further, the seventh pipeline is communicated with the third pipeline through an eighth pipeline, and a second electromagnetic valve is arranged on the eighth pipeline.

Specifically, the seventh pipeline comprises a first branch and a second branch which are sequentially connected from the second evaporator to the sixth pipeline, a fourth stop valve is arranged on the first branch of the seventh pipeline, and a third electromagnetic valve is arranged on the second branch.

Specifically, a junction of the first branch and the second branch is provided with an intersection interface, and an end of the eighth pipeline is communicated with the intersection interface.

The utility model provides a four tubular air conditioning system's beneficial effect lies in: the four-tube air conditioning system is simple in structure and control logic, can meet the conventional dehumidification requirement of a user, can meet the specific requirement that the user only dehumidifies and does not cool, is favorable for improving user experience, and improves the satisfaction of the user and the comfort of an air conditioner.

Drawings

Fig. 1 is a schematic diagram of a four-tube air conditioning system according to the present invention.

Fig. 2 is a schematic diagram of a four-tube air conditioning system according to the present invention.

Fig. 3 is a schematic diagram illustrating the system operation of a four-tube air conditioning system in a cooling/dehumidifying mode according to the present invention.

Fig. 4 is a schematic diagram illustrating the system operation of a four-tube air conditioning system in a constant temperature dehumidification mode according to the present invention.

In the figure: 100-four-pipe type air conditioning system,

11-a first pipeline, 12-a second pipeline, 13-a third pipeline, 14-a fourth pipeline, 15-a fifth pipeline, 16-a sixth pipeline, 17-a seventh pipeline, 171-a third branch, 172-a fourth branch, 18-an eighth pipeline, 181-a junction interface, 20-a three-way valve, 21-a first interface, 22-a second interface, 23-a third interface, 30-a compressor, 31-a first exhaust port, 32-a first intake port, 40-a compressor, 50-a filter, 30-a second intake port, 3-a third intake port, 30-a third intake port, 3-a third intake port, 30-a fourth intake port, 15-a fifth intake port, 30-a third intake port, a fourth intake port, a fifth intake port, a sixth intake port, a fourth intake port, a sixth intake port, a fourth intake port, a fourth intake,

60-first evaporator, 61-second evaporator, 62-outdoor fan, 63-indoor fan, 70-first electromagnetic valve, 71-second electromagnetic valve, 72-third electromagnetic valve, 80-first cut-off valve,

81-second stop valve, 82-third stop valve, 83-fourth stop valve, 90-throttling device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a four-tube air conditioning system 100 is provided. The utility model provides a four-pipe air conditioning system 100 has single zone accuse temperature, air-out, refrigeration and constant temperature dehumidification function, can be applicable to different climatic environment and use. When the indoor temperature is higher, starting a refrigeration mode to provide a single-zone cold air mode for the indoor environment; or when the indoor temperature is appropriate, the constant-temperature dehumidification mode is independently started on the premise of not starting the refrigeration mode, and indoor dehumidification is realized. The utility model provides a four-pipe air conditioner 100 can be applicable to and use under the different environment of different climates, satisfies the regulation of people to indoor ambient temperature and humidity. Meanwhile, the problem of energy consumption of starting the air conditioner 100 to dehumidify at constant temperature when the temperature is not high and the humidity is high can be effectively solved.

As shown in fig. 1, in order to provide a four-tube air conditioning system 100 of the present invention, the four-tube air conditioning system 100 includes a compressor 30, a three-way valve 20, a condenser 40, a filter 50, a first evaporator 60, and a second evaporator 61; the three-way valve 20 has a first connection 21, a second connection 22 and a third connection 23; the compressor 30 has a first suction port 32 and a first discharge port 31, the first discharge port 31 of the compressor 30 is communicated with the third port 23 of the three-way valve 20, and the first suction port 32 is communicated with the first evaporator 60 through the first pipeline 11; the condenser 40 is communicated with the second port 22 of the three-way valve 20 through the second pipeline 12, and the condenser 40 is communicated with the filter 50 through the third pipeline 12; the first port 21 of the three-way valve 20 communicates with the second evaporator 61 through the fourth line 14; the first evaporator 60 communicates with the filter 50 through a sixth line 16, and the second evaporator 61 communicates with the filter 50 through a seventh line 17.

Further, as shown in fig. 2, the four-duct type air conditioning system 100 further includes an outdoor fan 62 disposed in front of the condenser 40 and an indoor fan 63 disposed in front of the first evaporator 60 and the second evaporator 61. The indoor fan 63 is disposed to correspond to the first evaporator 51 and the second evaporator 52, and the condenser 50 is disposed to correspond to the outdoor fan 62. The outdoor fan 62 and the indoor fan 63 are cross-flow fans. The first line 11 and the fourth line 14 are communicated through a fifth line 15, and a first solenoid valve 70 is provided on the fifth line 15. The first pipeline 11 is provided with a first stop valve 80 at a connection end with the first evaporator 60. The fourth pipe 14 is provided with a second shut-off valve 81 at the connection section with the second evaporator 61. A throttle device 90 and a third shut-off valve 82 are arranged in the sixth line 16. The throttle die device 90 may employ a capillary tube, an expansion valve, an electronic expansion valve, a combination of a capillary tube and a solenoid valve, or a combination of an expansion valve and a solenoid valve. In the present embodiment, the throttle device 90 is preferably an electronic expansion valve. The seventh pipe 17 is communicated with the third pipe 13 through an eighth pipe 18, and the eighth pipe 18 is provided with a second solenoid valve 71. The seventh line 17 includes a first branch 171 communicating with the sixth line 16 and a second branch 172 communicating with the second evaporator 61, the third electromagnetic valve 72 is provided on the first branch 171 of the seventh line 17, and the fourth cut-off valve 83 is provided on the second branch 172. A junction interface 181 is provided between the first branch 171 and the second branch 172, and an end of the eighth line 18 communicates with the junction interface 181.

Example 1:

as shown in fig. 3, when the four-pipe air conditioning system 10 is in the cooling/dehumidifying mode, the second port 22 and the third port 23 of the three-way valve 20 are connected, the second solenoid valve 71 is normally closed, the third solenoid valve 72 is normally open, and two paths are formed by conduction, wherein the first path leads the condenser 40, the filter 50, the throttling device 90, the third stop valve 82, the first evaporator 60, and the first stop valve 80 to enter the first air inlet 32 of the compressor 30, and the first air outlet 31 of the compressor 30 is connected with the third port 23 of the three-way valve 20, so as to form a loop; the second path leads the condenser 40, the filter 50, the throttle device 90, the third electromagnetic valve 72, the fourth cut-off valve 83, the second evaporator 61, the second cut-off valve 81, and the first electromagnetic valve 70, and then enters the first intake port 32 of the compressor 30, and the first exhaust port 31 of the compressor 30 is connected to the third port 23 of the three-way valve 20, thereby forming a circuit.

Example 2:

as shown in fig. 4, when the four-pipe air conditioning system 100 is in the constant temperature dehumidification mode, the third port 22 of the three-way valve 20 is connected to the first port 21 and the second port 22, respectively, and the second electromagnetic valve 71 is normally open. The first electromagnetic valve 70 and the third electromagnetic valve 72 are normally closed and are communicated to form two paths, wherein the first path communicates the first port 21, the second stop valve 82, the second evaporator 61 and the second electromagnetic valve 71 of the three-way valve 20; the second path is connected to the second port 22 of the three-way valve 20, the condenser 40, the filter 50, the throttle device 90, the fourth cut-off valve 83, the first evaporator 60, and the first cut-off valve 80, and then the refrigerant mixed with the refrigerant flowing through the first path is introduced into the first suction port 32 of the compressor 30, and the first discharge port 31 of the compressor 30 is connected to the third port 23 of the three-way valve 20, thereby forming a circuit. Because the air that passes through first evaporimeter 60 is the air of cooling after the heat transfer and the air mixture of passing through second evaporimeter 61, the air temperature of blowing out is the temperature of controlling at user's demand, has reached the purpose that the dehumidification does not cool down again. This four-tube air conditioner 100 has first evaporimeter 60 and the second evaporimeter 61 that parallel arrangement, and be provided with the eighth pipeline 18 between first evaporimeter 60, second evaporimeter 62 and condenser 40, under the prerequisite that this eighth pipeline 18 realized the constant temperature through the second solenoid valve 71 on the eighth pipeline 18, carry out solitary dehumidification function, thereby can realize independent constant temperature dehumidification through this eighth pipeline 18 under the weather that temperature is not high but humidity is big, can reduce the power consumption of whole air conditioner 100, also can promote the travelling comfort when the user uses air conditioner 100 to dehumidify under humid weather.

The four-tube air conditioning system 100 is simple in structure and control logic, can meet the conventional dehumidification requirement of a user, can meet the specific requirement that the user only dehumidifies and does not cool, is favorable for improving user experience, and improves the satisfaction of the user and the comfort of an air conditioner.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A four-pipe air conditioning system is characterized by comprising a compressor, a three-way valve, a condenser, a filter, a first evaporator and a second evaporator;

the three-way valve is provided with a first port, a second port and a third port;

the compressor is provided with a first air inlet and a first air outlet, the first air outlet of the compressor is communicated with the third interface of the three-way valve, and the first air inlet is communicated with the first evaporator through a first pipeline;

the condenser is communicated with a second interface of the three-way valve through a second pipeline, and the condenser is communicated with the filter through a third pipeline;

a first port of the three-way valve is communicated with the second evaporator through a fourth pipeline;

the first evaporator is communicated with the filter through a sixth pipeline, and the second evaporator is communicated with the filter through a seventh pipeline.

2. A four-tube air conditioning system as set forth in claim 1, further comprising an outdoor fan disposed in front of said condenser.

3. A four-duct air conditioning system as set forth in claim 1, further comprising an indoor fan disposed in front of said first evaporator and said second evaporator.

4. A four-tube air conditioning system as set forth in claim 1, wherein said first tube and said fourth tube communicate through a fifth tube, said fifth tube being provided with a first solenoid valve.

5. A four-tube air conditioning system as set forth in claim 4, wherein said first tube is provided with a first shut-off valve at a connection end with said first evaporator.

6. A four-pipe air conditioning system as set forth in claim 4, wherein said fourth pipe is provided with a second shut-off valve at a connecting section with said second evaporator.

7. A four-tube air conditioning system as set forth in claim 1, wherein said sixth tube is provided with a throttling device and a third shut-off valve.

8. The four-pipe air conditioning system as claimed in claim 1, wherein the seventh pipe communicates with the third pipe through an eighth pipe, and a second solenoid valve is provided on the eighth pipe.

9. The four-tube air conditioning system according to claim 8, wherein the seventh tube comprises a first branch and a second branch connected in sequence from the second evaporator to the sixth tube, the first branch of the seventh tube is provided with a third solenoid valve, and the second branch is provided with a fourth stop valve.

10. A four-duct air conditioning system according to claim 9, wherein the junction of the first branch and the second branch is provided with a junction interface, and the end of the eighth duct communicates with the junction interface.