Air inlet structure of automobile air conditioner and using method

Abstract

The invention relates to the technical field of automobile air conditioners, in particular to an air inlet structure of an automobile air conditioner and a using method.The air inlet structure of the automobile air conditioner comprises a left shell, a right shell, an outer circulation air door, an inner circulation air door, an upper ventilation pipeline, a lower ventilation pipeline, a partition plate, a filter screen, an air inlet component, a driving component and a transmission component; the air door mode is controlled, switching of an internal circulation mode, an external circulation mode and an energy-saving mode is achieved, external air enters the structure through different air inlets through the air inlet component, the air passing through the filter screen is filtered, zoned air guiding is conducted through the upper ventilation pipeline and the lower ventilation pipeline, personalized requirements are provided for passengers in a vehicle, and the energy-saving effect is achieved. And meanwhile, the energy consumption is reduced, the air quality is improved, the riding comfort and the driving experience are improved, and better air conditioner refrigerating and heating effects can be achieved in a limited space.

Description

Technical Field

[0001] This invention relates to the field of automotive technology, and in particular to an air intake structure and method of use for automotive air conditioning. Background Technology

[0002] An automotive air conditioning system is a device used to regulate the air environment inside a vehicle. It improves passenger comfort and reduces driver fatigue through cooling, heating, ventilation, and purification functions. Its core components include a cooling system, a heating system, a ventilation system, an air purification module, and a control system.

[0003] Currently, most automotive air conditioning systems combine refrigeration, heating, and ventilation components, significantly reducing the space they occupy inside the vehicle. Furthermore, their simple structure makes them easy to operate. The air intake box is a crucial component of the automotive air conditioning system, and dual-flow air intake boxes are the most common on the market. However, current dual-flow air intake boxes have a single inlet, with both fresh air supply and return air using the same inlet. Additionally, they often require deflectors for airflow distribution and guidance, resulting in a larger footprint. Summary of the Invention

[0004] The purpose of this invention is to provide an air intake structure and usage method for automotive air conditioning, which solves the problems of existing double-layer air intake boxes with a single inlet, where both fresh air supply and return air supply use the same inlet, and which require a large space due to the addition of a deflector for airflow diversion and guidance.

[0005] To achieve the above objectives, the present invention provides an automotive air conditioning intake structure, comprising a left housing, a right housing, an external circulation damper, an internal circulation damper, an upper ventilation duct, a lower ventilation duct, a partition, a filter, an intake component, a drive component, and a transmission component. The left housing is fixedly connected to the right housing. The external circulation damper is rotatably connected to both the left and right housings and passes through them. The internal circulation damper is rotatably connected to both the left and right housings and passes through them. The upper ventilation duct is fixedly connected to both the left and right housings and is located on one side of both housings. The lower ventilation duct is fixedly connected to the upper ventilation duct and is located on one side of the upper ventilation duct. The partition is fixed at the connection between the upper and lower ventilation ducts. The filter is disposed inside the left and right housings and passes through them. The intake component is connected to both the left and right housings. The drive component is connected to the right housing. The transmission component is connected to the right housing.

[0006] The air intake component includes a connecting duct and an air intake fan. The connecting duct is fixedly connected to the left housing and the right housing, and is located inside the left housing and the right housing, and passes through the partition. The air intake fan is fixedly connected to the lower ventilation duct and passes through the partition.

[0007] The driving component includes a driving frame, a driving motor, and a cam disk. The driving frame is fixedly connected to the right housing and is located on one side of the right housing. The driving motor is fixedly connected to the driving frame, and the output end of the driving motor passes through the driving frame. The cam disk is fixedly connected to the output end of the driving motor.

[0008] The cam disk has a first track groove and a second track groove, and the first track groove and the second track groove are formed on the side of the cam disk near the right housing.

[0009] The transmission component includes an external circulation drive gear and an internal circulation drive gear. The external circulation drive gear is rotatably connected to the right housing and has a first movable shaft disposed in the first track groove. The internal circulation drive gear is rotatably connected to the right housing and has a second movable shaft disposed in the second track groove.

[0010] The transmission component further includes an external circulation driven gear and an internal circulation driven gear. The external circulation driven gear is fixedly connected to the external circulation damper and meshes with the external circulation driving gear. The internal circulation driven gear is fixedly connected to the internal circulation damper and meshes with the internal circulation driving gear.

[0011] One method of using an automotive air conditioning intake structure includes the following steps:

[0012] Select different air intake modes and press the buttons on the air conditioner's control panel. The control panel will then send control signals to the drive motor.

[0013] The drive motor starts after receiving a control signal and drives the cam disk to rotate.

[0014] The cam disk drives the inner circulation drive gear and the outer circulation drive gear to rotate on the left housing via the first track groove and the second track groove. The inner circulation drive gear drives the inner circulation driven gear to rotate, and the inner circulation driven gear drives the inner circulation damper to rotate, thereby adjusting the inner circulation damper. The outer circulation drive gear drives the outer circulation driven gear to rotate, and the outer circulation driven gear drives the outer circulation damper to rotate, thereby adjusting the outer circulation damper.

[0015] When the air intake fan is started, the air intake fan allows air to enter the interior of the structure through different inlets.

[0016] The incoming air passes through the filter and is filtered.

[0017] After filtration, the air is diverted through the connecting duct. The air passing through the connecting duct is directly introduced into the lower ventilation duct, while the air that does not enter the connecting duct directly enters the upper ventilation duct.

[0018] Airflow is diverted to different zones through the upper and lower ventilation ducts.

[0019] This invention discloses an automotive air conditioning intake structure. By employing a butterfly-shaped external circulation damper to control outside air, it achieves maximum external circulation intake cross-sectional area within a limited space and reduces airflow resistance. A concave fan-shaped internal circulation damper controls internal air. With the internal circulation damper in a half-open position, it maximizes internal circulation intake volume within a limited space and reduces airflow resistance. Two air inlets are arranged one in front of the other. Through the linkage of the driving component and the transmission component, the damper mode is controlled, enabling switching between internal circulation mode, external circulation mode, and energy-saving mode. The air intake component allows... External air enters the structure through different air inlets and is filtered by the filters. It then flows through the upper and lower ventilation ducts for zoned airflow, providing personalized services for passengers while reducing energy consumption, improving air quality, enhancing passenger comfort and driving experience. Furthermore, it achieves better air conditioning cooling and heating effects within a limited space. This solves the problems of existing dual-layer air inlet boxes, where both fresh air supply and return air supply use the same inlet, and require additional space for airflow diversion and guidance with deflectors. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0021] Figure 1 This is a schematic diagram of the overall structure of the automotive air conditioning intake structure according to an embodiment of the present invention.

[0022] Figure 2 This is a schematic diagram showing the connection between the connecting air duct of the automotive air conditioning intake structure and the left housing in an embodiment of the present invention.

[0023] Figure 3 This is a schematic diagram showing the connection between the mounting bracket and the right housing of the automotive air conditioning intake structure according to an embodiment of the present invention.

[0024] Figure 4This is a schematic diagram showing the connection between the external circulation driven gear and the external circulation damper in the automotive air conditioning intake structure according to an embodiment of the present invention.

[0025] Figure 5 This is a schematic diagram showing the connection between the air intake fan and the lower ventilation duct of the automotive air conditioning intake structure according to an embodiment of the present invention.

[0026] Figure 6 This is a schematic diagram showing the connection between the first trajectory groove and the external circulation drive gear in the automotive air conditioning intake structure of an embodiment of the present invention.

[0027] Figure 7 This is a flowchart of the method for using the automotive air conditioning intake structure according to an embodiment of the present invention.

[0028] In the diagram: 101-Left housing, 102-Right housing, 103-External circulation damper, 104-Internal circulation damper, 105-Upper ventilation duct, 106-Lower ventilation duct, 107-Partition plate, 108-Filter screen, 109-Connecting air duct, 110-Inlet fan, 111-Drive mounting bracket, 112-Drive motor, 113-Cam disc, 114-First track groove, 115-Second track groove, 116-External circulation drive gear, 117-Internal circulation drive gear, 118-External circulation driven gear, 119-Internal circulation driven gear, 120-First movable shaft and 121-Second movable shaft. Detailed Implementation

[0029] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0030] Firstly, please refer to Figures 1-6 , Figure 1 This is a schematic diagram of the overall structure of the automotive air conditioning intake structure according to an embodiment of the present invention. Figure 2 This is a schematic diagram showing the connection between the connecting air duct of the automotive air conditioning intake structure and the left housing according to an embodiment of the present invention. Figure 3 This is a schematic diagram showing the connection between the mounting bracket and the right housing of the automotive air conditioning intake structure according to an embodiment of the present invention. Figure 4 This is a schematic diagram showing the connection between the external circulation driven gear and the external circulation damper in the automotive air conditioning intake structure according to an embodiment of the present invention. Figure 5 This is a schematic diagram of the connection between the air intake fan and the lower ventilation duct in the automotive air conditioning intake structure according to an embodiment of the present invention. Figure 6This is a schematic diagram of the connection between the first trajectory groove and the external circulation drive gear in the automotive air conditioning intake structure of an embodiment of the present invention. The automotive air conditioning intake structure includes a left housing 101, a right housing 102, an external circulation damper 103, an internal circulation damper 104, an upper ventilation duct 105, a lower ventilation duct 106, a partition 107, a filter 108, an intake component, a drive component, and a transmission component. The intake component includes a connecting duct 109 and an intake fan 110. The drive component includes a drive mounting bracket 111, a drive motor 112, and a cam disk 113. The cam disk 113 has a first trajectory groove 114 and a second trajectory groove 115. The transmission component includes an external circulation drive gear 116 and an internal circulation drive gear 117. The transmission component also includes an external circulation driven gear 118 and an internal circulation driven gear 119. The aforementioned solution solves the problems of existing dual-layer flow air intake boxes having a single inlet, where both fresh air supply and return air supply use the same inlet, and requiring a large space due to the addition of a guide plate for airflow diversion and guidance.

[0031] In this embodiment, by employing a butterfly-shaped external circulation damper 103 to control the outside air, the maximum external circulation air intake cross-sectional area can be achieved within a limited space, and the air intake resistance can be reduced. The concave fan-shaped internal circulation damper 104 controls the internal air. With the internal circulation damper 104 in a half-open position, the maximum internal circulation air intake volume can be achieved within a limited space, and the air intake resistance can be reduced. The two air inlets are arranged one in front of the other. The damper mode is controlled by the linkage of the driving component and the transmission component, realizing the switching between internal circulation mode, external circulation mode, and energy-saving mode. The air intake component allows the outside air to... Air enters the structure through different air inlets and is filtered by the filter 108. It is then guided by the upper ventilation duct 105 and the lower ventilation duct 106 to provide personalized airflow for passengers, reduce energy consumption, improve air quality, enhance passenger comfort and driving experience, and achieve better air conditioning cooling and heating effects in a limited space. This solves the problems of existing double-layer air inlet boxes, where the fresh air supply and return air supply are both from the same inlet, and the space occupied by the addition of deflectors for airflow diversion and guidance is also large.

[0032] Further, the left housing 101 is fixedly connected to the right housing 102; the external circulation damper 103 is rotatably connected to both the left housing 101 and the right housing 102, and passes through both housings; the internal circulation damper 104 is rotatably connected to both the left housing 101 and the right housing 102, and passes through both housings; the upper ventilation duct 105 is fixedly connected to both the left housing 101 and the right housing 102, and is located on one side of both housings; the lower ventilation duct 106 is fixedly connected to the upper ventilation duct 105, and is located on one side of the upper ventilation duct 105; the partition 107... The filter screen 108 is fixed at the connection between the upper ventilation duct 105 and the lower ventilation duct 106, and is disposed inside the left housing 101 and the right housing 102, penetrating both housings. The air inlet component is connected to the left housing 101 and the right housing 102, the drive component is connected to the right housing 102, and the transmission component is connected to the right housing 102. The left housing 101 and the right housing 102 are fixedly connected to form an air inlet box. The two ends of the rotating shaft of the external circulation damper 103 penetrate the left housing 101 and the right housing 102 respectively, and the two ends of the rotating shaft of the internal circulation damper 104 penetrate the left housing 101 and the right housing 102 respectively. Ventilation duct 105 is located below the left housing 101 and the right housing 102, and communicates with the air inlet box composed of the left housing 101 and the housing. Lower ventilation duct 106 is located below the upper ventilation duct 105, and is separated from the upper ventilation duct 105 by the partition 107. Filter 108 is located inside the left housing 101 and the right housing 102. By using a butterfly-shaped external circulation damper 103 to control the external airflow, the maximum external circulation air inlet cross-sectional area can be achieved in a limited space, and the airflow resistance can be reduced. A concave fan-shaped internal circulation damper 104 controls the internal airflow. When the internal circulation damper 104 is in a half-open position, internal circulation can be achieved in a limited space. The ring intake maximizes airflow and reduces airflow resistance. Two air inlets are arranged one in front of the other. Through the linkage of the drive and transmission components, the damper mode is controlled, allowing switching between internal circulation, external circulation, and energy-saving modes. External air enters the structure through different inlets via the air intake components and is filtered by the filter 108. Air is then zoned and guided through the upper ventilation duct 105 and lower ventilation duct 106, providing personalized airflow for passengers while reducing energy consumption, improving air quality, enhancing passenger comfort and driving experience, and achieving better air conditioning cooling and heating within a limited space. This solves the problem of single inlet in existing dual-layer air intake boxes.The design uses the same inlet for both fresh air supply and return air, and includes a deflector for airflow distribution and guidance, which results in a relatively large space requirement.

[0033] Furthermore, the connecting air duct 109 is fixedly connected to the left housing 101 and the right housing 102, and is located inside the left housing 101 and the right housing 102, and penetrates the partition 107; the air intake fan 110 is fixedly connected to the lower ventilation duct 106, and penetrates the partition 107. The connecting air duct 109 is located inside the left housing 101 and the right housing 102, and is located below the filter screen 108. The air intake fan 110 is arranged on the lower ventilation duct 106, and penetrates the lower ventilation duct 106.

[0034] Furthermore, the drive mounting bracket 111 is fixedly connected to the right housing 102 and located on one side of the right housing 102; the drive motor 112 is fixedly connected to the drive mounting bracket 111, and the output end of the drive motor 112 passes through the drive mounting bracket 111; the cam disk 113 is fixedly connected to the output end of the drive motor 112, the drive mounting bracket 111 is located on the right housing 102 away from the left housing 101, the drive motor 112 is mounted on the drive mounting bracket 111, and the output end of the drive motor 112 passes through the drive mounting bracket 111, and the cam disk 113 is fixedly connected to the output end of the drive motor 112.

[0035] Furthermore, the cam disk 113 has a first track groove 114 and a second track groove 115 on the side near the right housing 102.

[0036] Furthermore, the external circulation drive gear 116 is rotatably connected to the right housing 102, and the external circulation drive gear 116 has a first movable shaft 120, which is disposed in the first track groove 114; the internal circulation drive gear 117 is rotatably connected to the right housing 102, and the internal circulation gear has a second movable shaft 121, which is disposed in the second track groove 115; the right housing 102 has two fixed shafts on the side near the drive fixing frame 111, and the external circulation drive gear 116 and the internal circulation drive gear 117 are rotatably connected to the two fixed shafts of the left housing 101, respectively.

[0037] Furthermore, the external circulation driven gear 118 is fixedly connected to the external circulation damper 103 and meshes with the external circulation driving gear 116; the internal circulation driven gear 119 is fixedly connected to the internal circulation damper 104 and meshes with the internal circulation driving gear 117. The external circulation driven gear 118 is sleeved on the rotating shaft of the external circulation damper 103, and the internal circulation driven gear 119 is sleeved on the rotating shaft of the internal circulation damper 104.

[0038] When using the automotive air conditioning intake structure of this embodiment, the user selects different intake modes according to their needs and presses the control panel button of the air conditioning system. The control panel sends a control signal to the drive motor 112. After receiving the control signal, the drive motor 112 starts and drives the cam disk 113 to rotate. The cam disk 113 drives the inner circulation drive gear 117 and the outer circulation drive gear 116 to rotate on the left housing 101 through the first track groove 114 and the second track groove 115. The inner circulation drive gear 117 drives the inner circulation driven gear 119 to rotate, and the inner circulation driven gear 119 drives the inner circulation damper 104 to rotate, thereby adjusting the inner circulation damper 104. The outer circulation drive gear 116 drives the outer circulation driven gear 118 to rotate, and the outer circulation driven gear 118 drives the outer circulation damper 103 to rotate, thereby adjusting the outer circulation damper 103, so that external air can enter through different air inlets.

[0039] When the air intake fan 110 is started, the air intake fan 110 allows air to enter the interior of the structure through different inlets. The air passes through the filter screen 108 for filtration, and after filtration, it is diverted through the connecting air duct 109. The air passing through the connecting air duct 109 is directly introduced into the lower ventilation duct 106, while the air that does not enter the connecting air duct 109 directly enters the upper ventilation duct 105. The upper ventilation duct 105 and the lower ventilation duct 106 are used for zoned airflow.

[0040] Secondly, please refer to the diagram. Figure 7 , Figure 7 This is a flowchart illustrating the usage method of an automotive air conditioning intake structure according to an embodiment of the present invention. The usage method of the automotive air conditioning intake structure includes the following steps:

[0041] S1 selects different air intake modes and presses the control panel button of the air conditioner. The control panel sends a control signal to the drive motor 112.

[0042] S2 The drive motor 112 starts after receiving the control electrical signal, and the drive motor 112 drives the cam disk 113 to rotate.

[0043] The cam disk 113 in S3 drives the inner circulation drive gear 117 and the outer circulation drive gear 116 to rotate on the left housing 101 via the first track groove 114 and the second track groove 115. The inner circulation drive gear 117 drives the inner circulation driven gear 119 to rotate, and the inner circulation driven gear 119 drives the inner circulation damper 104 to rotate, thereby adjusting the inner circulation damper 104. The outer circulation drive gear 116 drives the outer circulation driven gear 118 to rotate, and the outer circulation driven gear 118 drives the outer circulation damper 103 to rotate, thereby adjusting the outer circulation damper 103.

[0044] S4 starts the air intake fan 110, which allows air to enter the interior of the structure through different inlets.

[0045] The air entering through S5 is filtered by passing through the filter 108.

[0046] After being filtered by S6, the air is diverted through the connecting duct 109. The air passing through the connecting duct 109 is directly introduced into the lower ventilation duct 106, while the air that does not enter the connecting duct 109 directly enters the upper ventilation duct 105.

[0047] S7 uses the upper ventilation duct 105 and the lower ventilation duct 106 to guide air in zones.

[0048] The method of using the automotive air conditioning intake structure of the present invention allows the user to select different intake modes according to their own needs and press the control panel button of the air conditioning. The control panel sends a control signal to the drive motor 112. After receiving the control signal, the drive motor 112 starts and drives the cam disk 113 to rotate. The cam disk 113 drives the inner circulation drive gear 117 and the outer circulation drive gear 116 to rotate on the left housing 101 through the first track groove 114 and the second track groove 115. The inner circulation drive gear 117 drives the inner circulation driven gear 119 to rotate, and the inner circulation driven gear 119 drives the inner circulation damper 104 to rotate, thereby adjusting the inner circulation damper 104. The outer circulation drive gear 116 drives the outer circulation driven gear 118 to rotate, and the outer circulation driven gear 118 drives the outer circulation damper 103 to rotate, thereby adjusting the outer circulation damper 103, so that external air can enter through different air inlets.

[0049] When the air intake fan 110 is started, the air intake fan 110 allows air to enter the interior of the structure through different inlets. The air passes through the filter screen 108 for filtration, and after filtration, it is diverted through the connecting air duct 109. The air passing through the connecting air duct 109 is directly introduced into the lower ventilation duct 106, while the air that does not enter the connecting air duct 109 directly enters the upper ventilation duct 105. The upper ventilation duct 105 and the lower ventilation duct 106 are used for zoned airflow.

[0050] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. An air intake structure for an automotive air conditioner, characterized in that: The device includes a left housing, a right housing, an external circulation damper, an internal circulation damper, an upper ventilation duct, a lower ventilation duct, a partition, a filter, an air inlet component, a drive component, and a transmission component. The left housing is fixedly connected to the right housing. The external circulation damper is rotatably connected to both the left and right housings and passes through them. The internal circulation damper is rotatably connected to both the left and right housings and passes through them. The upper ventilation duct is fixedly connected to both the left and right housings and is located on one side of each housing. The lower ventilation duct is fixedly connected to the upper ventilation duct and is located on one side of the upper ventilation duct. The partition is fixed at the connection between the upper and lower ventilation ducts. The filter is disposed inside the left and right housings and passes through them. The air inlet component is connected to both the left and right housings. The drive component is connected to the right housing. The transmission component is connected to the right housing.

2. The automotive air conditioning intake structure as described in claim 1, characterized in that: The air intake component includes a connecting duct and an air intake fan. The connecting duct is fixedly connected to the left housing and the right housing, and is located inside the left housing and the right housing, and passes through the partition. The air intake fan is fixedly connected to the lower ventilation duct and passes through the partition.

3. The automotive air conditioning intake structure as described in claim 2, characterized in that: The driving component includes a driving frame, a driving motor, and a cam disk. The driving frame is fixedly connected to the right housing and is located on one side of the right housing. The driving motor is fixedly connected to the driving frame, and the output end of the driving motor passes through the driving frame. The cam disk is fixedly connected to the output end of the drive motor.

4. The automotive air conditioning intake structure as described in claim 3, characterized in that: The cam disk has a first track groove and a second track groove, and the first track groove and the second track groove are formed on the side of the cam disk near the right housing.

5. The automotive air conditioning intake structure as described in claim 4, characterized in that: The transmission component includes an external circulation drive gear and an internal circulation drive gear. The external circulation drive gear is rotatably connected to the right housing. The external circulation drive gear has a first movable shaft, which is disposed in the first track groove. The internal circulation drive gear is rotatably connected to the right housing, and the internal circulation gear has a second movable shaft, which is disposed in the second track groove.

6. The automotive air conditioning intake structure as described in claim 5, characterized in that: The transmission component further includes an external circulation driven gear and an internal circulation driven gear. The external circulation driven gear is fixedly connected to the external circulation damper and meshes with the external circulation driving gear. The internal circulation driven gear is fixedly connected to the internal circulation damper and meshes with the internal circulation driving gear.

7. A method of using an automotive air conditioning intake structure, applied to the automotive air conditioning intake structure as described in claim 5, characterized in that, Includes the following steps: Select different air intake modes and press the buttons on the air conditioner's control panel. The control panel will then send control signals to the drive motor. The drive motor starts after receiving the control signal and drives the cam disk to rotate. The cam disc drives the inner circulation drive gear and the outer circulation drive gear to rotate on the left housing through the first track groove and the second track groove. The inner circulation drive gear drives the inner circulation driven gear to rotate, and the inner circulation driven gear drives the inner circulation damper to rotate, thereby adjusting the inner circulation damper. The outer circulation drive gear drives the outer circulation driven gear to rotate, and the outer circulation driven gear drives the outer circulation damper to rotate, thereby adjusting the outer circulation damper. When the intake fan is started, the intake fan allows air to enter the interior of the structure through different inlets; The incoming air is filtered through a filter screen. After filtration, the air is diverted through the connecting duct. Air that passes through the connecting duct is directly introduced into the lower ventilation duct, while air that does not enter the connecting duct directly enters the upper ventilation duct. Airflow is zoned through upper and lower ventilation ducts.

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