Evaporation box structure of automobile air conditioner

Abstract

The utility model relates to an automobile air conditioner evaporation box structure, which belongs to the technical field of automobile air conditioners and comprises an evaporation box, the evaporation box comprises a box body and an evaporator core body, the front side and the rear side of the box body are respectively provided with an air inlet and an air outlet, and the evaporator core body is positioned in the box body and between the air inlet and the air outlet. An air outlet is formed in the box body, an evaporation box is arranged in the box body, a fan is arranged on one side of the evaporation box, the fan is provided with an air inlet end and an air outlet end, the air inlet end of the fan is connected with the air outlet of the box body, a heater is arranged at the air outlet end of the fan, and the automobile air conditioner evaporation box structure is reasonable and simple in structure and small in size.

Description

Technical Field

[0001] The utility model belongs to the technical field of automotive air conditioners, and particularly relates to a structure of an evaporator of an automotive air conditioner. Background Art

[0002] The evaporator of an automotive air conditioner is a heat exchanger. After the refrigerant enters the evaporator, it will expand and absorb heat, so that the evaporator will be cooled. At this time, the air blown by the blower will pass through the evaporator, and then cold air will be blown out from the air outlet of the air conditioner. The evaporator plays a role in cooling the air blown by the blower.

[0003] At present, some parts of the evaporator of an automotive air conditioner are designed in a split type, and some are designed in an integrated type, but their structural layouts are not very reasonable, resulting in too large a volume and unable to be assembled into small cars (mini cars). For example, the automotive air conditioner in Patent CN204055230U and the structure of the evaporator housing of an automotive air conditioner in CN102967039A have the disadvantage of large volume. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a structure of an evaporator of an automotive air conditioner with reasonable and simple structure and small volume.

[0005] The purpose of the utility model is achieved as follows:

[0006] A structure of an evaporator of an automotive air conditioner includes an evaporator. The evaporator includes a box body and an evaporator core. An air inlet and an air outlet are respectively arranged on the front and rear sides of the box body. The evaporator core is located in the box body and between the air inlet and the air outlet. A blower is arranged on one side of the evaporator. The blower has an air inlet end and an air outlet end. The air inlet end of the blower is connected to the air outlet of the box body, and a heater is arranged at the air outlet end of the blower.

[0007] In the above-mentioned structure of the evaporator of an automotive air conditioner, the box body includes an upper box body and a lower box body, and the upper box body and the lower box body are connected to each other by bolts.

[0008] In the above-mentioned structure of the evaporator of an automotive air conditioner, a water collecting groove is formed by downward depression at the bottom of the lower box body, and a drain hole is arranged at the bottom of the water collecting groove.

[0009] In the above-mentioned structure of the evaporator of an automotive air conditioner, the water collecting groove is a V-shaped groove.

[0010] In the above-mentioned structure of the evaporator of an automotive air conditioner, the blower includes a blower housing, a motor and a centrifugal impeller. The blower housing is connected to the box body, and the centrifugal impeller is fixed on the motor shaft of the motor. The motor is fixed on the blower housing, and the centrifugal impeller is located between the motor and the box body.

[0011] In the above-mentioned evaporator case structure of an automotive air conditioner, the blower housing includes a front half shell and a rear half shell that are connected to each other. The air inlet end is located on the front half shell, and the rear half shell is provided with a motor mounting hole.

[0012] In the above-mentioned evaporator case structure of an automotive air conditioner, a connecting plate covering the motor mounting hole is provided on the periphery of the motor.

[0013] In the above-mentioned evaporator case structure of an automotive air conditioner, a sealing ring is provided on the periphery of the air outlet of the case body, and a sealing groove for cooperating with the sealing ring is provided on the blower housing.

[0014] The prominent and beneficial technical effects of the present utility model compared with the prior art are:

[0015] The evaporator case and the blower of the present utility model are connected together, and the air outlet of the evaporator case is connected to the air inlet end of the blower. The design layout is compact, and the overall volume is reduced, which can be applicable to a smaller installation environment. The heater is arranged at the air outlet end of the blower, which can further reduce the volume of the evaporator case and also reduce heat loss. Description of the Drawings

[0016] Figure 1 is one of the structural schematic diagrams of the present utility model.

[0017] Figure 2 is another structural schematic diagram of the present utility model.

[0018] Figure 3 is one of the exploded views of the present utility model.

[0019] Figure 4 is the enlarged view at A of the present utility model.

[0020] Figure 5 is the second exploded view of the present utility model.

[0021] Figure 6 is the enlarged view at B of the present utility model.

[0022] Figure 7 is the sectional view of the present utility model.

[0023] 1 - Evaporator case; 2 - Blower; 3 - Heater; 4 - Air inlet; 5 - Air outlet; 6 - Air inlet end;

[0024] 7 - Air outlet end; 11 - Case body; 12 - Evaporator core; 21 - Blower housing; 22 - Motor; 23 - Centrifugal impeller; 111 - Upper case; 112 - Lower case; 113 - Water collecting tank; 114 - Drain hole; 115 - Sealing ring; 116 - Sealing groove; 211 - Front half shell; 212 - Rear half shell; 213 - Motor mounting hole; 214 - Connecting plate. Detailed implementation mode

[0025] The present utility model will be further described below with reference to the accompanying drawings in specific embodiments:

[0026] As Figures 1-7 shown: A structure of an automotive air-conditioning evaporator box includes an evaporator box 1. The evaporator box 1 includes a box body 11 and an evaporator core 12. An air inlet 4 and an air outlet 5 are respectively arranged on the front and rear sides of the box body 11. The evaporator core 12 is located inside the box body 11. The evaporator core is also connected with an expansion valve and is located between the air inlet and the air outlet. A blower 2 is arranged on one side of the evaporator box 1. The blower 2 has an air inlet end 6 and an air outlet end 7. The air inlet end of the blower 2 is connected to the air outlet of the box body 11, and a heater 3 is arranged at the air outlet end of the blower 2. Specifically, the evaporator box and the blower are connected together, and the air outlet of the evaporator box is connected to the air inlet end of the blower. The design layout is compact, and the overall volume is reduced, which can be applicable to a smaller installation environment. And the heater is arranged at the air outlet end of the blower, which can further reduce the volume of the evaporator box and also reduce heat loss.

[0027] In the above-mentioned structure of the automotive air-conditioning evaporator box, the box body 11 includes an upper box body 111 and a lower box body 112. The upper box body 111 and the lower box body 112 are connected to each other by bolts. Specifically, this is for the convenience of box body production.

[0028] In the above-mentioned structure of the automotive air-conditioning evaporator box, a water collecting groove 113 is formed by downward depression at the bottom of the lower box body 112. A drain hole 114 is arranged at the bottom of the water collecting groove 113. Specifically, the designed water collecting groove is for the condensed water generated by the evaporator core to be able to collect in the water collecting groove and drain out from the drain hole.

[0029] In the above-mentioned structure of the automotive air-conditioning evaporator box, the water collecting groove 113 is a V-shaped groove. Specifically, this is for better facilitating the water collection of the water collecting groove.

[0030] In the above-mentioned structure of the automotive air-conditioning evaporator box, the blower 2 includes a blower housing 21, a motor 22 and a centrifugal impeller 23. The blower housing 21 is connected to the box body 11, and the centrifugal impeller 23 is fixed on the motor shaft of the motor 22. The motor 22 is fixed on the blower housing 21. The centrifugal impeller 23 is located between the motor 22 and the box body 11. The blower housing 21 includes a front half shell 211 and a rear half shell 212 which are connected to each other. The air inlet end is located on the front half shell 211, and the rear half shell 212 is provided with a motor mounting hole 213.

[0031] In the above-mentioned automotive air-conditioning evaporator box structure, a connecting plate 214 covering the motor mounting hole 213 is provided on the periphery of the motor 22. Specifically, this is to ensure the tight connection between the motor and the fan housing and to ensure the working efficiency of the fan.

[0032] In the above-mentioned automotive air-conditioning evaporator box structure, a sealing ring 115 is provided on the periphery of the air outlet of the box body 11, and a sealing groove 116 for cooperating with the sealing ring 115 is provided on the fan housing 21. Specifically, this is to improve the connection sealing performance between the two.

[0033] During actual use, when refrigeration is required, the evaporator and the fan work, and the heater does not work; when heating is required, the evaporator does not work, and the heater and the fan work.

[0034] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention shall be covered within the protection scope of the present invention.

Claims

1. An evaporator structure for an automotive air conditioner, characterized in that: It includes an evaporator case (1), and the evaporator case (1) includes a case body (11) and an evaporator core (12). An air inlet and an air outlet are respectively arranged on the front and rear sides of the case body (11). The evaporator core (12) is located inside the case body (11) and between the air inlet and the air outlet. A blower (2) is arranged on one side of the evaporator case (1). The blower (2) has an air inlet end and an air outlet end. The air inlet end of the blower (2) is connected to the air outlet of the case body (11), and a heater (3) is arranged at the air outlet end of the blower (2).

2. The structure of the evaporator case of an automotive air conditioner according to claim 1, wherein: The case body (11) includes an upper case (111) and a lower case (112), and the upper case (111) and the lower case (112) are connected to each other by bolts.

3. The structure of the evaporator case of an automotive air conditioner according to claim 2, wherein: A water collecting tank (113) is formed by downward depression at the bottom of the lower case (112), and a drain hole (114) is arranged at the bottom of the water collecting tank (113).

4. The structure of the evaporator case of an automotive air conditioner according to claim 3, wherein: The water collecting tank (113) is a V-shaped groove.

5. The structure of the evaporator case of an automotive air conditioner according to claim 1 or 2 or 3 or 4, characterized in that: The blower (2) includes a blower housing (21), a motor (22), and a centrifugal impeller (23). The blower housing (21) is connected to the case body (11), and the centrifugal impeller (23) is fixed on the motor shaft of the motor (22). The motor (22) is fixed on the blower housing (21), and the centrifugal impeller (23) is located between the motor (22) and the case body (11).

6. The structure of the evaporator case of an automotive air conditioner according to claim 5, characterized in that: The blower housing (21) includes a front half shell (211) and a rear half shell (212) that are connected to each other. The air inlet end is located on the front half shell (211), and the rear half shell (212) is provided with a motor mounting hole (213).

7. The automotive air-conditioning evaporator box structure according to claim 6, characterized in that: A connecting plate (214) covering the motor mounting hole (213) is arranged on the periphery of the motor (22).

8. The evaporator structure of an automotive air conditioner according to claim 5, characterized in that: A sealing ring (115) is arranged on the periphery of the air outlet of the case body (11), and a sealing groove (116) that cooperates with the sealing ring (115) is arranged on the blower housing (21).

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