CN203274368U - Air conditioner evaporator, air conditioner indoor unit and air conditioner - Google Patents

Abstract

The utility model provides an air conditioner evaporator, an air conditioner indoor unit and an air conditioner, and the air conditioner evaporator includes an evaporator main body, an air outlet pipe and a liquid inlet pipe, the evaporator main body includes multiple rows of fins and U-shaped tube, the main body of the evaporator is divided into a plurality of cooling areas along the direction perpendicular to the U-shaped tube, the outlet pipe is provided with outlet branch pipes corresponding to the cooling areas one by one, the liquid inlet The pipe is provided with liquid inlet branch pipes corresponding to the heat dissipation areas one by one, and each heat dissipation area is connected with the corresponding liquid inlet branch pipe and the air outlet branch pipe to form a refrigerant flow path. By dividing the main body of the evaporator into multiple heat dissipation areas, each heat dissipation area is connected to the air outlet branch pipe and the liquid inlet branch pipe to form an independent refrigerant flow path, ensuring that the temperature distribution in each heat dissipation area of the evaporator body is uniform, and the temperature of the air conditioner evaporator is realized. Even distribution improves the comfort of the air conditioner.

Description

Air conditioner evaporator, air conditioner indoor unit and air conditioner

technical field

The utility model relates to an air conditioner, in particular to an air conditioner evaporator, an air conditioner indoor unit and an air conditioner.

Background technique

At present, air conditioners are generally divided into air-conditioning indoor units and air-conditioning outdoor units. An evaporator is installed in the air-conditioning indoor unit, and heat exchange is realized through the evaporator. The evaporator usually includes U-shaped tubes and fins, and the U-shaped tubes are connected with an air outlet pipe and inlet tube. In the evaporator in the prior art, the air outlet pipe is connected to the U-shaped pipe at the upper part of the evaporator through the air outlet branch pipe, and the liquid inlet pipe is connected to the U-shaped pipe at the lower part of the evaporator through the liquid inlet branch pipe. In the case of downward flow, the temperature distribution is also up and down along the evaporator, so that the air from the air conditioner presents a temperature distribution of up and down after passing through the evaporator with a large temperature difference, resulting in uneven temperature distribution of the evaporator. less comfortable.

Contents of the invention

The technical problem to be solved by the utility model is: provide an air conditioner evaporator, an air conditioner indoor unit and an air conditioner, solve the defects of uneven temperature distribution of the evaporator and poor comfort of the air conditioner in the prior art, and realize the temperature distribution of the air conditioner evaporator Evenly, improve the comfort of air conditioning.

The technical solution provided by the utility model is that an air conditioner evaporator includes an evaporator main body, an air outlet pipe and a liquid inlet pipe, the evaporator main body includes multiple rows of fins and U-shaped pipes passing through the fins, The main body of the evaporator is divided into a plurality of heat dissipation areas along the direction perpendicular to the U-shaped pipe, the air outlet pipe is provided with outlet branch pipes corresponding to the heat dissipation areas one by one, and the liquid inlet pipe is provided with outlet pipes corresponding to the heat dissipation areas. The heat dissipation areas correspond to the liquid inlet branch pipes one by one, and each heat dissipation area is connected with the corresponding liquid inlet branch pipe and the air outlet branch pipe to form a refrigerant flow path.

Further, for two adjacent heat dissipation areas, the air outlet branch connected to one of the heat dissipation areas is adjacent to the liquid inlet branch connected to the other heat dissipation area.

Further, each refrigerant flow path is provided with a throttling device.

Further, the throttling device is a capillary, and each of the liquid inlet branch pipes is connected with the capillary.

Further, the distance between two adjacent fins is 1.30mm-1.35mm.

Further, two rows of U-shaped tubes are arranged in the fins, and the two rows of U-shaped tubes located in the same heat dissipation area are connected by cross-tubes.

Further, the main body of the evaporator is divided into heat dissipation zone 1, heat dissipation zone 2, heat dissipation zone 3 and heat dissipation zone 4 from top to bottom.

Further, the evaporator main body includes 36 U-shaped tubes, the heat dissipation zone 1 contains 7 U-shaped tubes, and the heat dissipation zone 2 contains 9 U-shaped tubes. Zone 3 contains 10 U-shaped tubes, and cooling zone 4 contains 10 U-shaped tubes.

The utility model also provides an air-conditioning indoor unit, including the above-mentioned air-conditioning evaporator.

The utility model further provides an air conditioner, which includes an outdoor unit of the air conditioner and the above-mentioned indoor unit of the air conditioner, and the indoor unit of the air conditioner is connected to the outdoor unit of the air conditioner.

The air conditioner evaporator, air conditioner indoor unit and air conditioner provided by the utility model divide the main body of the evaporator into a plurality of heat dissipation areas, and each heat dissipation area is correspondingly connected with the air outlet branch pipe and the liquid inlet branch pipe to form an independent refrigerant flow path, ensuring that the evaporator The temperature distribution in each heat dissipation area of the main body is uniform, which realizes the uniform temperature distribution of the air conditioner evaporator and improves the comfort of the air conditioner.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings on the premise of not paying creative labor.

Fig. 1 is the assembling schematic diagram of the utility model air-conditioning evaporator embodiment;

Fig. 2 is a schematic structural view of the main body of the evaporator in the embodiment of the air conditioner evaporator of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-2, the air conditioner evaporator in this embodiment includes an evaporator body 1, an air outlet pipe 2 and a liquid inlet pipe 3, and the evaporator body 1 includes multiple rows of fins 11 and the U U-shaped tube 12, the main body of the evaporator 1 is divided into multiple cooling areas (not shown) along the direction perpendicular to the U-shaped tube 12, the outlet pipe 2 is provided with an outlet branch pipe 21 corresponding to the cooling area one by one, and the liquid inlet pipe 3 There are liquid inlet branch pipes 31 corresponding to the heat dissipation areas one by one, and each heat dissipation area is connected with the corresponding liquid inlet branch pipe 31 and air outlet branch pipe 21 to form a refrigerant flow path.

Specifically, the evaporator body 1 in the air conditioner evaporator of this embodiment is divided into multiple heat dissipation areas, and the U-shaped pipe 12 in each heat dissipation area is connected with the corresponding air outlet branch pipe 21 and liquid inlet branch pipe 31 to form an independent The refrigerant flow path ensures that the temperature of each position of the evaporator body 1 is uniform, thereby avoiding the phenomenon that the temperature of the evaporator body 1 is high and low, ensuring that the air conditioner outputs wind with a uniform temperature, and improves the comfort of the air conditioner. In order to reduce the temperature difference between each heat dissipation area, for two adjacent heat dissipation areas, the outlet branch pipe 21 connected in one heat dissipation area is adjacent to the liquid inlet branch pipe 31 connected in the other heat dissipation area. The liquid inlet and air outlet positions between the two refrigerant flow paths enable heat exchange between two adjacent heat dissipation areas, thereby reducing the temperature difference between the two adjacent heat dissipation areas.

Further, in order to accurately control the refrigerant flow in each refrigerant flow path and avoid uneven refrigerant flow, each refrigerant flow path is provided with a throttling device (not shown). Specifically, the throttling device can be a capillary tube, and each inlet branch pipe 31 is connected with a capillary tube, and the capillary tube is used to individually control the corresponding refrigerant flow path, so that the amount of refrigerant in each refrigerant flow path can be adjusted more accurately, so that the air volume is large and the heat exchange effect is large. A good amount of refrigerant flows in the upper heat dissipation area of the evaporator main body 1, while less refrigerant is distributed in the heat dissipation area of the lower part of the evaporator main body 1, so as to ensure the maximum performance of the evaporator main body 1 and improve energy efficiency and heat exchange quantity. Wherein, in order to increase the heat exchange area, the distance between two adjacent fins 11 is 1.30mm-1.35mm, preferably, the distance between fins 11 is 1.32mm. In addition, two rows of U-shaped tubes 12 are arranged in the fins 11 , and the two rows of U-shaped tubes 12 located in the same heat dissipation area are connected by cross-tubes 4 .

Further, in order to arrange the heat dissipation zones more reasonably, the evaporator main body 1 is divided into heat dissipation zone one 101 , heat dissipation zone two 102 , heat dissipation zone three 103 and heat dissipation zone four 104 from top to bottom. Specifically, the main body of the evaporator includes 36 U-shaped tubes 12, the cooling zone 101 contains 7 U-shaped tubes 12, the cooling zone 2 102 contains 9 U-shaped tubes 12, and the cooling zone 3 103 contains 10 U-shaped tubes 12. The tube 12 includes 10 U-shaped tubes 12 in the cooling area 4 104 .

The utility model also provides an air-conditioning indoor unit, including the above-mentioned air-conditioning evaporator.

The utility model further provides an air conditioner, which includes an outdoor unit of the air conditioner and the above-mentioned indoor unit of the air conditioner, and the indoor unit of the air conditioner is connected with the outdoor unit of the air conditioner.

The air conditioner evaporator, air conditioner indoor unit and air conditioner provided by the utility model divide the main body of the evaporator into a plurality of heat dissipation areas, and each heat dissipation area is correspondingly connected with the air outlet branch pipe and the liquid inlet branch pipe to form an independent refrigerant flow path, ensuring that the evaporator The temperature distribution in each heat dissipation area of the main body is uniform, which realizes the uniform temperature distribution of the air conditioner evaporator and improves the comfort of the air conditioner.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (10)

1. An air conditioner evaporator, comprising an evaporator main body, an air outlet pipe and a liquid inlet pipe, the evaporator main body includes multiple rows of fins and U-shaped tubes passing through the fins, it is characterized in that the evaporator The main body of the device is divided into a plurality of heat dissipation areas along the direction perpendicular to the U-shaped pipe. The air outlet pipe is provided with outlet branch pipes corresponding to the heat dissipation areas one by one. Each zone corresponds to the liquid inlet branch pipe, and each heat dissipation zone is connected to the corresponding liquid inlet branch pipe and the gas outlet branch pipe to form a refrigerant flow path. 2. The air conditioner evaporator according to claim 1, wherein, for two adjacent heat dissipation areas, the outlet branch pipe connected in one of the heat dissipation areas is connected to the other heat dissipation area The liquid inlet branch pipes are arranged adjacent to each other. 3. The air conditioner evaporator according to claim 1, wherein a throttling device is arranged in each of the refrigerant flow paths. 4. The air-conditioning evaporator according to claim 3, wherein the throttling device is a capillary, and each of the liquid inlet branch pipes is connected with the capillary. 5. The air conditioner evaporator according to claim 1, wherein the distance between two adjacent fins is 1.30mm-1.35mm. 6. The air-conditioning evaporator according to any one of claims 1-5, wherein two rows of U-shaped tubes are arranged in the fins, and the two rows of U-shaped tubes located in the same heat dissipation area The tubes are connected by cross tubes. 7. The air conditioner evaporator according to claim 6, wherein the main body of the evaporator is divided into heat dissipation zone 1, heat dissipation zone 2, heat dissipation zone 3 and heat dissipation zone 4 from top to bottom. 8. The air conditioner evaporator according to claim 7, wherein the main body of the evaporator comprises 36 U-shaped tubes, and the heat dissipation area one contains 7 U-shaped tubes, and the heat dissipation area The second contains 9 U-shaped tubes, the heat dissipation zone 3 contains 10 U-shaped tubes, and the heat dissipation zone 4 contains 10 U-shaped tubes. 9. An air-conditioning indoor unit, comprising the air-conditioning evaporator according to any one of claims 1-8. 10. An air conditioner, comprising an air conditioner outdoor unit, further comprising the air conditioner indoor unit as claimed in claim 9, the air conditioner indoor unit being connected to the air conditioner outdoor unit.

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