CN215765436U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN215765436U CN215765436U CN202122191079.9U CN202122191079U CN215765436U CN 215765436 U CN215765436 U CN 215765436U CN 202122191079 U CN202122191079 U CN 202122191079U CN 215765436 U CN215765436 U CN 215765436U
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Abstract
The utility model discloses an air conditioner.A compressor is used for compressing a low-pressure refrigerant into a high-pressure refrigerant; the outdoor heat exchanger is used for exchanging heat between outdoor airflow and a refrigerant transmitted in the outdoor heat exchanger; the indoor heat exchanger is used for exchanging heat between indoor airflow and a refrigerant transmitted in the indoor heat exchanger; the indoor heat exchanger comprises a plurality of heat exchange units, a plurality of refrigerant flow paths are formed in each heat exchange unit, and a plurality of flow dividing parts are arranged in at least one heat exchange unit and used for dividing input refrigerants in different refrigerant flow paths in the heat exchange units; the flow distribution part is located inside the indoor heat exchanger, the refrigerant is distributed in the indoor heat exchanger, and conveyed to different refrigerant flow paths, so that the heat loss caused by flow distribution before the refrigerant enters the indoor heat exchanger is avoided, the connection and installation of the whole structure are simple, the pressure and energy loss are effectively reduced, and the heat exchange efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of air conditioners, and particularly relates to an air conditioner.
Background
The air conditioner is a common household appliance in daily life, in order to meet the requirements of refrigeration and heating, the flow path of a heat exchanger of an indoor unit is usually multi-path, and the air volume corresponding to each path is different. In order to improve the overall heat exchange capability of the indoor heat exchanger and ensure the reliability of the overall system, the temperatures of the refrigerants at the outlets of the paths of the heat exchanger need to be kept relatively consistent, so that the refrigerant quantity flowing through the flow path with large air volume needs to be large, the refrigerant quantity flowing through the flow path with small air volume needs to be small, and at this time, the refrigerant quantity of each flow path needs to be distributed by using a flow divider (distributor) and capillary tubes with different inner diameters or lengths, as shown in fig. 1.
The refrigerant quantity of different flow paths can be adjusted by using the flow divider and the capillary tube, but the pressure loss when the refrigerant flows through is increased, and a part of capacity loss is brought by the increased pressure loss.
In the indoor unit of the cooling-free dehumidification unit, the heat exchanger is divided into an upper part and a lower part, the refrigerant flows through the upper heat exchanger and then passes through the lower heat exchanger, the refrigerant needs to be divided twice, for the cooling-free dehumidification system, the pressure loss of the refrigerant is an important factor influencing the capacity and the air outlet temperature of the indoor unit, the pressure loss of the refrigerant outside the heat exchanger is larger, the heat exchange capacity of the indoor side is lower, and the heat exchange effect is influenced and restricted.
Disclosure of Invention
The utility model aims to provide an air conditioner, which aims to solve the problems that in an indoor heat exchanger in the air conditioner in the prior art, a flow divider is connected to the outer side, so that a refrigerant generates partial energy loss in the flow dividing process, the heat exchange effect is influenced and limited, and the like.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
an air conditioner, comprising:
the compressor is used for compressing a low-pressure refrigerant into a high-pressure refrigerant;
the outdoor heat exchanger is used for exchanging heat between outdoor airflow and a refrigerant transmitted in the outdoor heat exchanger;
the indoor heat exchanger is used for exchanging heat between indoor airflow and a refrigerant transmitted in the indoor heat exchanger; the indoor heat exchanger comprises a plurality of heat exchange units, a plurality of refrigerant flow paths are formed in each heat exchange unit, and a plurality of flow dividing parts are arranged in at least one heat exchange unit and used for dividing input refrigerants in different refrigerant flow paths in the heat exchange units.
In some embodiments of the present application, the plurality of heat exchange units of the indoor heat exchanger include a first heat exchange unit and a second heat exchange unit, and the first heat exchange unit and the second heat exchange unit are arranged at an included angle.
In some embodiments of the present application, the first heat exchange unit and the second heat exchange unit are connected in series through an intermediate pipe.
In some embodiments of the present application, the intermediate pipe is formed with a throttling part, and the throttling part includes a capillary tube and a solenoid valve connected in parallel with each other.
In some embodiments of the present application, two surfaces on an inner side of an included angle between the first heat exchange unit and the second heat exchange unit are a first windward surface and a second windward surface, respectively, and a ratio of an area of the first windward surface to an area of the second windward surface is 1: 1-3: 1.
In some embodiments of the present application, the first heat exchange unit is disposed above the second heat exchange unit, the refrigerant is conveyed from the outdoor heat exchanger to the first heat exchange unit through a conveying pipeline, and after being output from the first heat exchange unit, the refrigerant enters the second heat exchange unit through the intermediate pipeline, and after being output from the second heat exchange unit, the refrigerant is finally output to the compressor.
In some embodiments of the present application, a refrigerant input port and a plurality of flow dividing members are disposed in the first heat exchange unit and the second heat exchange unit.
In some embodiments of the present application, the first heat exchange unit includes a first refrigerant input port and a plurality of flow dividing members, the second heat exchange unit includes a plurality of second refrigerant input ports, a flow divider and a plurality of flow dividing pipes connected to the flow divider are connected to the intermediate pipe, and each of the flow dividing pipes is correspondingly connected to a plurality of the second refrigerant input ports.
In some embodiments of the present application, the flow divider is a tee.
In some embodiments of the present application, an electronic expansion valve is further formed between the outdoor heat exchanger and the indoor heat exchanger.
Compared with the prior art, the utility model has the advantages and positive effects that:
the utility model relates to an air conditioner is provided with a plurality of reposition of redundant personnel portions in its indoor heat exchanger, and reposition of redundant personnel portion is located inside the indoor heat exchanger, the refrigerant is at the inside reposition of redundant personnel that realizes of indoor heat exchanger, carries different refrigerant flow paths, has avoided using the shunt to get into the refrigerant and shunted the calorific loss that causes before in the indoor heat exchanger, and the connection installation of whole structure is simple, effectively reduces pressure and energy loss, has improved heat exchange efficiency.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a heat exchanger split flow in the background art;
fig. 2 is a schematic view showing the connection of components of an embodiment of the indoor unit according to the present invention;
FIG. 3 is a schematic structural view of an indoor heat exchanger in embodiment 3;
FIG. 4 is a schematic view of the construction of an indoor heat exchanger according to embodiment 4;
in the figure, the position of the upper end of the main shaft,
100. a compressor;
101. a transfer line;
102. an intermediate pipeline;
200. a four-way valve;
300. an outdoor heat exchanger;
400. an outdoor fan;
500. an expansion valve;
600. an indoor fan;
700. an indoor heat exchanger;
701. a flow divider;
702. a flow divider;
703. a shunt tube;
710. a first heat exchange unit;
711. a first windward side;
720. a second heat exchange unit;
721. a second windward side;
800. a throttling member;
810. a capillary tube;
820. an electromagnetic valve;
910. a temperature sensor;
920. a humidity sensor.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Example 1
As shown in fig. 2 to 4, the present embodiment proposes an air conditioner, which includes a compressor 100, an indoor heat exchanger 700, and an outdoor heat exchanger 300, or is added with accessories such as an outdoor fan 400, an indoor fan 600, a temperature sensor 910, a humidity sensor 920, and the like; the compressor 100 is configured to compress a low-pressure refrigerant into a high-pressure refrigerant; the outdoor heat exchanger 300 is configured to exchange heat between outdoor air and a refrigerant transported in the outdoor heat exchanger 300; the indoor heat exchanger 700 is configured to exchange heat between indoor air flow and a refrigerant transmitted in the indoor heat exchanger 700; an expansion valve 500 is connected between the indoor heat exchanger 700 and the outdoor heat exchanger 300, and the pressure of the refrigerant flowing through the indoor heat exchanger 700 and the outdoor heat exchanger 300 is adjusted by the opening degree of the expansion valve 500.
The indoor heat exchanger 700 includes a plurality of heat exchange units, a plurality of refrigerant flow paths are formed in each heat exchange unit, and a plurality of flow dividing portions are formed in at least one heat exchange unit, so that the refrigerant input into the heat exchange unit is divided into different refrigerant flow paths, and pressure and energy loss caused by refrigerant flow division before the refrigerant is input into the indoor heat exchanger 700 are avoided.
Example 2
In this embodiment, the indoor heat exchanger 700 includes two heat exchange units, which are defined as a first heat exchange unit 710 and a second heat exchange unit 720, the first heat exchange unit 710 and the second heat exchange unit 720 are arranged at an included angle, the whole heat exchange unit is V-shaped, one end of the heat exchange unit is in contact connection, the other end of the heat exchange unit is at a certain angle to form an air inlet, the first heat exchange unit 710 and the second heat exchange unit 720 are arranged up and down, the first heat exchange unit 710 is located above, and air flow passes through the first heat exchange unit 710 and the second heat exchange unit 720 from the inner side of the included angle formed by the first heat exchange unit 710 and the second heat exchange unit 720 and is output from the outer side of the included angle.
As shown in fig. 2, two surfaces inside an included angle between the first heat exchange unit 710 and the second heat exchange unit 720 are a first windward surface 711 and a second windward surface 721, that is, airflow enters the first heat exchange unit 710 and the second heat exchange unit 720 from the first windward surface 711 and the second windward surface 721, a ratio of an area of the first windward surface 711 to an area of the second windward surface 721 is 1: 1-3: 1, and when the first heat exchange unit 710 or the second heat exchange unit 720 are arranged in multiple rows, a corresponding windward area is a sum of areas of each row.
The first heat exchange unit 710 and the second heat exchange unit 720 are connected in series through an intermediate pipe 102, a throttling part 800 is formed on the intermediate pipe 102, and the throttling part 800 includes a capillary tube 810 and a solenoid valve 820 which are connected in parallel.
The refrigerant is delivered from the outdoor heat exchanger 300 to the first heat exchange unit 710 through the transfer pipe 101, is delivered from the first heat exchange unit 710, enters the second heat exchange unit 720 through the intermediate pipe 102, and is finally delivered to the compressor 100 through the second heat exchange unit 720.
The low-pressure refrigerant input into the compressor 100 is compressed again into a high-pressure refrigerant, and is delivered to the outdoor heat exchanger 300 to form another heat exchange cycle, and the four-way valve 200 is connected to the outside of the compressor 100 and is used for switching with the pipelines of the outdoor heat exchanger 300 and the indoor heat exchanger 700.
Example 3
As shown in fig. 3, in the present embodiment, a refrigerant input port and a plurality of flow dividing members 702 are disposed in each of the first heat exchanging unit 710 and the second heat exchanging unit 720, and each of the flow dividing members 702 is a three-way member, and the three-way member includes an input port and two output ports.
The refrigerant is delivered from the outdoor heat exchanger 300 to the refrigerant input port of the first heat exchange unit 710 through the delivery pipe 101, the flow dividing member 702 located at the refrigerant input port of the first heat exchange unit 710 divides the refrigerant into the refrigerant flow path L11 and the refrigerant flow path L12, the refrigerant is delivered for a certain distance in the refrigerant flow path L11, and then flows into the refrigerant flow path L111 and the refrigerant flow path L112 through the flow dividing part arranged at the tail end of the refrigerant flow path L11, the refrigerant in the refrigerant flow path L12 flows into the refrigerant flow path L121 and the refrigerant flow path L122 through the flow dividing part arranged at the tail end thereof, and finally is output from different output ends, and is collected together in the intermediate pipe 102 and delivered to the second heat exchange unit 720 through the intermediate pipe 102.
The refrigerant circulation principle of the second heat exchange unit 720 is similar to that of the first heat exchange unit 710, the flow dividing member 702 at the refrigerant input port of the second heat exchange unit 720 divides the refrigerant into the refrigerant flow path L21 and the refrigerant flow path L22, the refrigerant after being transported for a certain distance in the refrigerant flow path L21 flows into the refrigerant flow path L211 and the refrigerant flow path L212 through the flow dividing portion arranged at the tail end of the refrigerant flow path L21, the refrigerant in the refrigerant flow path L22 flows into the refrigerant flow path L221 and the refrigerant flow path L222 through the flow dividing portion arranged at the tail end thereof, and is finally output from different output ends, collected in the conveying pipeline 101, and transported back to the compressor 100.
The lengths of the refrigerant flow paths in the first heat exchange unit 710 and the second heat exchange unit 720 can be adjusted according to the distribution of the actual wind field, and the number of the flow dividing pieces 702 and the number of flow dividing stages can also be changed according to the actual needs.
Example 4
The difference between this embodiment and embodiment 3 is that in the refrigeration process, under the condition that the split flow difference is not large, the output refrigerant of the first heat exchange unit 710 is generally in a two-phase state, and has the same temperature, and finally is collected into the intermediate pipeline 102, and enters the second heat exchange unit 720 for re-split flow through the transportation of the intermediate pipeline 102.
In the process of cooling and dehumidifying, the pressure and energy loss generated by the shunt 701 connected to the outside of the first heat exchange unit 710 located above are large, the pressure and energy loss of the second heat exchange unit 720 are small, and the second heat exchange unit 720 can not achieve uniform shunting only by inner shunting, so that the shunt member 702 can be arranged in the first heat exchange unit 710, and the shunt 701 and the shunt pipe 703 are connected to the outside of the second heat exchange unit 720.
Specifically, the first heat exchange unit 710 includes a first refrigerant input port and a plurality of flow dividing members 702, the second heat exchange unit 720 includes a plurality of second refrigerant input ports, a flow divider 701 and a plurality of flow dividing pipes 703 connected to the flow divider 701 are disposed on the middle pipeline 102 connecting the first heat exchange unit 710 and the second heat exchange unit 720, and each flow dividing pipe 703 is correspondingly connected to the plurality of second refrigerant input ports.
The refrigerant is conveyed from the outdoor heat exchanger 300 to a first refrigerant input port of the first heat exchange unit 710 through the conveying pipeline 101, the refrigerant is divided into a refrigerant flow path L11 and a refrigerant flow path L12 by a flow dividing member 702 located at the first refrigerant input port, the refrigerant is conveyed for a certain distance in the refrigerant flow path L11, and then flows into the refrigerant flow path L111 and the refrigerant flow path L112 through a flow dividing part arranged at the tail end of the refrigerant flow path L11, and the refrigerant in the refrigerant flow path L12 flows into the refrigerant flow path L121 and the refrigerant flow path L122 through the flow dividing part arranged at the tail end thereof, and finally is output from different output ends and is collected in the intermediate pipeline 102.
The refrigerant flowing through the intermediate pipe 102 is split by the splitter 701, and then output from the plurality of split pipes 703, and is delivered to different refrigerant flow paths in the second heat exchange unit 720 from the corresponding second refrigerant input ports.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.
Claims (10)
1. An air conditioner, characterized by comprising:
the compressor is used for compressing a low-pressure refrigerant into a high-pressure refrigerant;
the outdoor heat exchanger is used for exchanging heat between outdoor airflow and a refrigerant transmitted in the outdoor heat exchanger;
the indoor heat exchanger is used for exchanging heat between indoor airflow and a refrigerant transmitted in the indoor heat exchanger; the indoor heat exchanger comprises a plurality of heat exchange units, a plurality of refrigerant flow paths are formed in each heat exchange unit, and a plurality of flow dividing parts are arranged in at least one heat exchange unit and used for dividing input refrigerants in different refrigerant flow paths in the heat exchange units.
2. The air conditioner according to claim 1,
the indoor heat exchanger is characterized in that the heat exchange units comprise a first heat exchange unit and a second heat exchange unit, and the first heat exchange unit and the second heat exchange unit are arranged at an included angle.
3. The air conditioner according to claim 1,
the first heat exchange unit and the second heat exchange unit are connected in series through an intermediate pipeline.
4. An air conditioner according to claim 3,
and a throttling part is formed on the middle pipeline and comprises a capillary tube and an electromagnetic valve which are mutually connected in parallel.
5. The air conditioner according to claim 2,
two surfaces on the inner side of an included angle between the first heat exchange unit and the second heat exchange unit are a first windward surface and a second windward surface respectively, and the ratio of the area of the first windward surface to the area of the second windward surface is 1: 1-3: 1.
6. The air conditioner according to claim 5,
the first heat exchange unit is arranged above the second heat exchange unit, the refrigerant is conveyed from the outdoor heat exchanger to the first heat exchange unit through a conveying pipeline, is output from the first heat exchange unit, enters the second heat exchange unit through the intermediate pipeline, is output from the second heat exchange unit, and is finally output to the compressor.
7. The air conditioner according to claim 1,
and a refrigerant input port and a plurality of flow dividing pieces are arranged in the first heat exchange unit and the second heat exchange unit.
8. The air conditioner according to claim 1,
the first heat exchange unit comprises a first refrigerant input port and a plurality of flow dividing pieces, the second heat exchange unit comprises a plurality of second refrigerant input ports, a flow divider and a plurality of flow dividing pipes connected with the flow divider are connected to the middle pipeline, and each flow dividing pipe is correspondingly connected with the plurality of second refrigerant input ports.
9. The air conditioner according to claim 1,
the shunting part is a three-way piece.
10. The air conditioner according to claim 1,
the flow dividing part is a three-way piece, and an electronic expansion valve is further formed between the outdoor heat exchanger and the indoor heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191079.9U CN215765436U (en) | 2021-09-10 | 2021-09-10 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191079.9U CN215765436U (en) | 2021-09-10 | 2021-09-10 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215765436U true CN215765436U (en) | 2022-02-08 |
Family
ID=80086285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191079.9U Active CN215765436U (en) | 2021-09-10 | 2021-09-10 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215765436U (en) |
-
2021
- 2021-09-10 CN CN202122191079.9U patent/CN215765436U/en active Active
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