Air conditioner distribution box and vehicle-mounted air conditioner system

Abstract

The embodiment of the invention provides an air conditioner distribution box and a vehicle-mounted air conditioner system, and relates to the field of vehicle-mounted air conditioners. The box shell is provided with an air inlet and a plurality of air outlets, the air door assembly is installed in the box shell, the air door assembly has a plurality of mutually switched working states, and the air door assembly is used for communicating the air inlet with at least one air outlet by switching different working states so as to adjust the air outlet direction of the box shell. The air door assembly arranged in the air conditioner distribution box is simple in structure, compact in structure, small in number of parts, convenient to regulate and control, low in failure rate and low in operation cost.

Description

Technical Field

[0001] The present invention relates to the field of vehicle air conditioning, and in particular to an air conditioning distribution box and a vehicle air conditioning system. Background Art

[0002] The vehicle air conditioning system can adjust the temperature and humidity in the passenger compartment and meet the requirements of defrosting and defogger of the whole vehicle. It is an important device for improving the comfort of the vehicle environment and ensuring safe driving. With the development of the automobile market, people have higher and higher requirements for the quality of automobiles, and vehicle air conditioning has also attracted more and more attention. The vehicle air conditioning system of the prior art mainly includes a box, an evaporator, a heater core, a temperature damper, a cold air channel, a hot air channel and a mixing air chamber formed in the box. The evaporator is arranged in the cold air channel, and the heater core is arranged in the hot air channel. The cold air flowing out of the cold air channel and the hot air flowing out of the hot air channel are mixed in the mixing air chamber, and the mixed gas is discharged from the air outlet of the box. Because when using the vehicle air conditioner, according to different needs, the air needs to be discharged from the corresponding air outlet, that is, different air outlet modes need to be switched according to needs. In order to ensure that the air can be discharged from the corresponding air outlet, the existing air-conditioning distribution box is provided with multiple air outlets, and dampers are provided at the corresponding air outlets. When the air needs to be discharged from the corresponding air outlet, the damper at the air outlet can be opened. The air volume can also be adjusted by the opening angle of the damper.

[0003] The inventors found in their research that the air conditioning distribution box in the prior art has at least the following disadvantages:

[0004] Each air outlet is provided with an independent damper, and there are a large number of dampers and each damper is independently controlled. Generally, multiple dampers are required to cooperate to achieve mode adjustment, which makes operation inconvenient. In addition, the overall structure is complex and the failure rate is increased. Summary of the invention

[0005] The objects of the present invention include, for example, providing an air conditioning distribution box and a vehicle air conditioning system, which can simplify the structure, reduce the difficulty of operation, and reduce the failure rate.

[0006] The embodiments of the present invention can be implemented as follows:

[0007] In a first aspect, the present invention provides an air conditioning distribution box, comprising:

[0008] A box shell and a damper assembly; the box shell is provided with an air inlet and a plurality of air outlets, the damper assembly is installed in the box shell, the damper assembly has a plurality of mutually switchable working states, and the damper assembly is used to connect the air inlet with at least one air outlet by switching between different working states to adjust the air outlet direction of the box shell.

[0009] In an optional embodiment, the damper assembly includes a damper outer cylinder and a damper inner cylinder, the damper outer cylinder is sleeved on the outside of the damper inner cylinder, the damper outer cylinder and the damper inner cylinder are both installed inside the box shell, and the damper outer cylinder and the damper inner cylinder are rotatably matched to adjust multiple working states of the damper assembly.

[0010] Based on the above scheme, the damper outer cylinder and the damper inner cylinder can be rotatably matched to realize the switching of the working state of the damper assembly, thereby adjusting the air outlet direction. The damper assembly has a simple structure, is easy to process and manufacture, has a small volume, occupies a small space, and is easy to assemble. In addition, the switching of multiple working states is realized by rotation, and the control is convenient and flexible.

[0011] In an optional embodiment, an air inlet hole and a plurality of air outlet holes are provided on the damper outer cylinder, the air inlet hole is connected to the plurality of air outlet holes at the same time, and the plurality of air outlet holes are connected to the plurality of air outlets in a one-to-one correspondence;

[0012] An air duct is arranged on the damper inner cylinder, and the air duct is arranged with a first port and a second port. When the damper inner cylinder rotates relative to the damper outer cylinder, one of the first port and the second port can be connected with the air inlet hole, and the other of the first port and the second port can be connected with at least one of the multiple air outlet holes.

[0013] Based on the above scheme, the air duct on the inner cylinder of the damper cooperates with the air inlet and outlet holes on the outer cylinder damper, so the structure is simple, the cooperation method is simple and reliable, the adjustment is convenient and flexible, and the adjustment efficiency is high.

[0014] In an optional embodiment, the damper outer cylinder is fixed to the housing, and the damper inner cylinder is rotatably connected to the housing.

[0015] Based on the above scheme, the inner cylinder of the damper is guided and positioned by the outer cylinder of the damper. The inner cylinder of the damper is more stable and reliable when rotating, with high adjustment accuracy, which is conducive to switching the air outlet mode and air outlet volume.

[0016] In an optional embodiment, a seal is provided between the damper outer cylinder and the damper outer cylinder.

[0017] Based on the above scheme, the airtightness between the damper outer cylinder and the damper inner cylinder is high, air leakage is not easy, and the air volume regulation is more stable.

[0018] In an optional embodiment, both ends of the damper outer cylinder in the axial direction are closed, or both ends of the damper inner cylinder in the axial direction are closed.

[0019] Based on the above solution, the ends of the damper outer cylinder and the damper inner cylinder have high sealing performance, are not prone to air leakage, and are conducive to air volume control.

[0020] In an optional embodiment, the plurality of air outlets include a defrost outlet, a face-blowing outlet, and a foot-blowing outlet that are arranged in a ring shape.

[0021] Based on the above solution, there are multiple air outlet modes and the adjustment is flexible.

[0022] In an optional embodiment, the defrost port, the face-blowing port and the foot-blowing port are arranged sequentially in a clockwise direction.

[0023] Based on the above scheme, the defrost, face blowing and foot blowing modes can be adjusted separately according to needs, and the defrost foot blowing mode and the defrost face blowing mode can also be adjusted. The modes are diverse and the scope of use is wide.

[0024] In a second aspect, the present invention provides a vehicle air conditioning system, the vehicle air conditioning system comprising:

[0025] The air conditioning distribution box according to any one of the aforementioned embodiments.

[0026] In an optional embodiment, the vehicle air-conditioning system also includes an indoor unit and an evaporator, wherein the indoor unit and the evaporator are both installed inside the box shell, the evaporator is used to cool the air flowing from the air inlet to the air outlet, and the indoor unit is used to heat the air flowing from the air inlet to the air outlet.

[0027] Based on the above scheme, the air entering the passenger compartment can be heated or cooled according to different needs, with flexible regulation to provide a good riding environment.

[0028] The beneficial effects of the embodiments of the present invention include, for example:

[0029] In summary, the air conditioning distribution box provided in this embodiment can adjust the working state of the damper assembly as needed by installing the damper assembly inside the box shell, so that the air inlet on the box shell can be connected to at least one corresponding air outlet to achieve the switching of different air outlet modes. Since the damper assembly can achieve the switching of multiple air outlet modes, compared with the prior art that requires multiple independent dampers to cooperate to achieve mode adjustment, the structure is simplified, the processing and manufacturing costs are saved, and the failure rate is reduced; at the same time, the operation steps are simplified, and the switching efficiency of the air outlet mode is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 A schematic diagram of a damper assembly according to an embodiment of the present application;

[0032] Figure 2 A schematic diagram of a damper outer cylinder according to an embodiment of the present application;

[0033] Figure 3 A schematic diagram of a damper inner cylinder according to an embodiment of the present application;

[0034] Figure 4 A schematic diagram of an air conditioning distribution box according to an embodiment of the present application;

[0035] Figure 5 A schematic diagram of a defrosting mode of an air conditioning distribution box according to an embodiment of the present application;

[0036] Figure 6 A schematic diagram of a blowing surface mode of an air conditioning distribution box according to an embodiment of the present application;

[0037] Figure 7 A schematic diagram of a foot blowing mode of an air conditioning distribution box according to an embodiment of the present application;

[0038] Figure 8 A schematic diagram of a defrost foot blowing mode of an air conditioning distribution box according to an embodiment of the present application;

[0039] Fig. 9 This is a schematic diagram of the face-blowing and foot-blowing modes of the air-conditioning distribution box in an embodiment of the present application.

[0040] icon:

[0041] 100-housing; 101-air inlet; 102-air outlet; 1021-defrost outlet; 1022-face outlet; 1023-foot outlet; 200-damper assembly; 210-damper outer cylinder; 211-air inlet; 212-air outlet; 220-damper inner cylinder; 221-air duct; 222-first port; 223-second port; 300-indoor unit; 400-evaporator. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0045] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0046] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0047] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0048] In the prior art, in order to adjust a variety of air outlet modes, a plurality of independent dampers are generally installed inside the distribution box, each damper is installed at a corresponding air outlet 102, and each damper rotates with the box shell 100 to open or close the air outlet 102 at the corresponding position. Since each damper is designed independently, when adjusting the air outlet mode, multiple dampers need to cooperate, and the operation is cumbersome. In addition, a damper is set corresponding to each air outlet 102, the number of dampers is large, the structure is complex, and the failure rate is increased.

[0049] In view of this, the designer provides an air conditioning distribution box that simplifies the damper structure, reduces the number of dampers, and reduces the failure rate. At the same time, the air outlet mode switching operation is convenient.

[0050] Please combine Figure 1-Figure 4 In this embodiment, the air conditioning distribution box includes a box shell 100 and a damper assembly 200. The box shell 100 is provided with an air inlet 101 and a plurality of air outlets 102. The damper assembly 200 is installed in the box shell 100. The damper assembly 200 has a plurality of mutually switchable working states. The damper assembly 200 is used to connect the air inlet 101 with at least one air outlet 102 by switching different working states to adjust the air outlet direction of the box shell 100.

[0051] As described above, the air conditioning distribution box provided in this embodiment works as follows:

[0052] When the air outlet mode needs to be adjusted, the damper assembly 200 can be operated. The switching of different working states of the damper assembly 200 can correspond to at least one air outlet mode, and the operation is convenient. Specifically, by installing the damper assembly 200 inside the box shell 100, the working state of the damper assembly 200 can be adjusted as needed, so that the air inlet 101 on the box shell 100 can be connected with at least one corresponding air outlet 102 to achieve the switching of different air outlet modes. Since the damper assembly 200 can realize the switching of multiple air outlet modes, compared with the prior art that requires multiple independent dampers to cooperate to realize mode adjustment, the structure is simplified, the processing and manufacturing cost is saved, and the failure rate is reduced; at the same time, the operation steps are also simplified, and the switching efficiency of the air outlet mode is improved.

[0053] The following embodiments illustrate the detailed structure of the air conditioning distribution box provided in the present application by way of examples.

[0054] In this embodiment, optionally, the damper assembly 200 includes a damper outer cylinder 210 and a damper inner cylinder 220, the damper outer cylinder 210 is sleeved on the outside of the damper inner cylinder 220, and the damper outer cylinder 210 and the damper inner cylinder 220 are both installed inside the box shell 100, and the damper outer cylinder 210 and the damper inner cylinder 220 are rotatably matched to adjust multiple working states of the damper assembly 200.

[0055] With such a design, the damper outer cylinder 210 and the damper inner cylinder 220 can be rotatably matched to realize the switching of the working state of the damper assembly 200, thereby adjusting the air outlet direction. The damper assembly 200 has a simple structure, is easy to manufacture, has a small volume, occupies a small space, and is easy to assemble. In addition, the switching of multiple working states is realized by rotation, and the control is convenient and flexible.

[0056] Optionally, the damper outer cylinder 210 is configured as a cylindrical structure, and an air inlet hole 211 and a plurality of air outlet holes 212 are disposed on the outer peripheral wall of the damper outer cylinder 210, and the air inlet hole 211 is simultaneously connected to the plurality of air outlet holes 212, and the plurality of air outlet holes 212 are respectively connected to the plurality of air outlets 102 in a one-to-one correspondence. Correspondingly, the damper inner cylinder 220 is configured as a cylindrical structure, and an air duct 221 is disposed on the outer peripheral wall of the damper inner cylinder 220, and the air duct 221 is provided with a first port 222 and a second port 223 located on the outer peripheral wall, and when the damper inner cylinder 220 rotates relative to the damper outer cylinder 210, one of the first port 222 and the second port 223 can be connected to the air inlet hole 211, and the other of the first port 222 and the second port 223 can be connected to at least one of the plurality of air outlet holes 212.

[0057] It should be understood that the coordination between the air duct 221 on the damper inner cylinder 220 and the air inlet hole 211 and the air outlet hole 212 on the outer cylinder damper has a simple structure, a simple and reliable coordination method, convenient and flexible adjustment, and high adjustment efficiency.

[0058] It should be noted that the damper outer cylinder 210 can be fixed to the housing 100, and the damper inner cylinder 220 is rotatably connected to the housing 100. The damper inner cylinder 220 is inserted into the damper outer cylinder 210, and the damper inner cylinder 220 is guided and positioned by the damper outer cylinder 210. When the damper inner cylinder 220 rotates, it is more stable and reliable, with high adjustment accuracy, which is conducive to switching the air outlet mode and air outlet volume.

[0059] Optionally, a seal is provided between the damper outer cylinder 210 and the damper outer cylinder 210. The damper outer cylinder 210 and the damper inner cylinder 220 have high sealing performance, are not easy to leak air, and the air volume regulation is more stable.

[0060] It should be understood that a seal may be provided at the air outlet 212 of each damper outer cylinder 210 . The seal may be a sealing ring, which is provided around the air outlet 212 to increase the sealing performance at the air outlet 212 .

[0061] In this embodiment, optionally, both ends of the damper outer cylinder 210 in the axial direction are closed, and at the same time, both ends of the damper inner cylinder 220 in the axial direction are closed. The ends of the damper outer cylinder 210 and the damper inner cylinder 220 have high sealing performance, are not easy to leak, and are conducive to air volume control. It should be understood that in other embodiments, only the two ends of the damper outer cylinder 210 in the axial direction may be closed, or only the two ends of the damper inner cylinder 220 in the axial direction may be closed, which can also improve the sealing performance.

[0062] In this embodiment, optionally, there are three air outlets 102, and the three air outlets 102 include a defrost outlet 1021, a face-blowing outlet 1022, and a foot-blowing outlet 1023 arranged in a ring shape. There are multiple air outlet modes, and the adjustment is flexible.

[0063] Please combine Figure 5-Figure 9 Furthermore, the defrost port 1021, the face blowing port 1022 and the foot blowing port 1023 are arranged in sequence in the clockwise direction. The defrost, face blowing and foot blowing modes can be adjusted separately according to the needs, and the defrost foot blowing mode and the defrost face blowing mode can also be adjusted. The modes are diverse and the application range is wide.

[0064] The air conditioning distribution box provided in this embodiment can adjust various air outlet modes through the cooperation of the damper inner cylinder 220 and the damper outer cylinder 210, has a compact structure, few parts, low processing and manufacturing costs, low failure rate and high stability.

[0065] This embodiment also provides a vehicle air-conditioning system, which includes an air-conditioning distribution box, an indoor unit 300 and an evaporator 400. The indoor unit 300 and the evaporator 400 are both installed inside the box shell 100. The evaporator 400 is used to cool the air flowing from the air inlet 101 to the air outlet 102, and the indoor unit 300 is used to heat the air flowing from the air inlet 101 to the air outlet 102.

[0066] The vehicle air conditioning system has at least the advantages of compact structure, few parts, low cost and low failure rate.

[0067] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An air conditioning distribution box, characterized in that: include: A box shell (100) and a damper assembly (200); the box shell (100) is provided with an air inlet (101) and a plurality of air outlets (102); the damper assembly (200) is installed in the box shell (100); the damper assembly (200) has a plurality of mutually switchable working states; the damper assembly (200) is used to connect the air inlet (101) with at least one air outlet (102) by switching between different working states, so as to adjust the air outlet direction of the box shell (100).

2. The air conditioning distribution box according to claim 1, characterized in that: The damper assembly (200) comprises a damper outer cylinder (210) and a damper inner cylinder (220); the damper outer cylinder (210) is sleeved on the outside of the damper inner cylinder (220); the damper outer cylinder (210) and the damper inner cylinder (220) are both installed inside the housing (100); the damper outer cylinder (210) and the damper inner cylinder (220) are rotatably matched to adjust multiple working states of the damper assembly (200).

3. The air conditioning distribution box according to claim 2, characterized in that: The damper outer cylinder (210) is provided with an air inlet hole (211) and a plurality of air outlet holes (212); the air inlet hole (211) is simultaneously connected to the plurality of air outlet holes (212); and the plurality of air outlet holes (212) are respectively connected to the plurality of air outlets (102) in a one-to-one correspondence; The damper inner cylinder (220) is provided with an air duct (221), and the air duct (221) is provided with a first port (222) and a second port (223); when the damper inner cylinder (220) rotates relative to the damper outer cylinder (210), one of the first port (222) and the second port (223) can be connected to the air inlet hole (211), and the other of the first port (222) and the second port (223) can be connected to at least one of the plurality of air outlet holes (212).

4. The air conditioning distribution box according to claim 3, characterized in that: The damper outer cylinder (210) is fixed to the housing (100), and the damper inner cylinder (220) is rotatably connected to the housing (100).

5. The air conditioning distribution box according to claim 2, characterized in that: A sealing member is provided between the damper outer cylinder (210) and the damper outer cylinder (210).

6. The air conditioning distribution box according to claim 2, characterized in that: Both ends of the damper outer cylinder (210) in the axial direction are closed, or both ends of the damper inner cylinder (220) in the axial direction are closed.

7. The air conditioning distribution box according to claim 1, characterized in that: The plurality of air outlets (102) include a defrost outlet (1021), a face-blowing outlet (1022), and a foot-blowing outlet (1023) arranged in a ring shape.

8. The air conditioning distribution box according to claim 7, characterized in that: The defrosting port (1021), the face blowing port (1022), and the foot blowing port (1023) are arranged in sequence in a clockwise direction.

9. A vehicle air conditioning system, characterized in that: The vehicle air conditioning system comprises: The air conditioning distribution box according to any one of claims 1 to 8.

10. The vehicle air conditioning system according to claim 9, characterized in that: The vehicle air conditioning system further comprises an indoor unit (300) and an evaporator (400), wherein the indoor unit (300) and the evaporator (400) are both installed inside the housing (100), the evaporator (400) is used for cooling the air flowing from the air inlet (101) to the air outlet (102), and the indoor unit (300) is used for heating the air flowing from the air inlet (101) to the air outlet (102).

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