Single motor control system electric air outlet

Abstract

The utility model provides a kind of single motor control system electric air outlet, it is related to automobile air outlet technical field, comprising: shell, with air inlet end and air outlet end;Air deflector blade group, is set in air outlet end;Damper, is set between air inlet end and air outlet end;Driving assembly, comprising: driving motor;First drive block, is slidably installed on shell, and first drive block is connected with the lever on air deflector blade group;First driving disc, can realize rotation, and first driving disc can drive first drive block reciprocating sliding;Second drive block, is connected with damper and can drive damper swing;Second driving disc, can realize rotation, and second driving disc can drive second drive block reciprocating rotation.The application adopts single motor drive, reduces manufacturing cost, simplifies control logic, and overall structure is compact, small in size, and high in integration degree.

Description

Technical Field

[0001] This utility model relates to the field of automotive air vent technology, and in particular to an electric air vent with a single motor control system. Background Technology

[0002] With the popularization of new energy vehicles, the development of intelligent cockpits has become a trend. Although traditional manual air vents have a certain price advantage, they can no longer meet the requirements of intelligent cockpits. Therefore, electric air vents, especially concealed electric air vents, have seen rapid development in recent years. However, with increasingly fierce price competition, how to effectively reduce costs while maintaining comparable performance of electric air vents has become a key focus for major air vent designers and manufacturers. Since the motor actuator accounts for the majority (50%-60%) of the total cost of electric air vents, reducing the use of actuators (motors) has become an essential solution. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an electric air outlet of a single motor control system that is compact in structure, small in size, low in manufacturing cost, and has good driving effect.

[0004] This utility model provides a single-motor control system for an electric air outlet, which includes: The housing 1 has an air inlet end 101 and an air outlet end 102; The air guide vane assembly 4 is disposed inside the air outlet 102 and is used for air sweeping; An air damper is disposed between the air inlet 101 and the air outlet 102, and is used to control the opening and closing of the air outlet 102 and the air volume. A drive assembly for driving the air guide vane group 4 and the damper to rotate includes: Drive motor 3; The first drive block 72 is slidably mounted on the housing 1 and its sliding direction is parallel to the length direction of the air outlet 102. The first drive block 72 is connected to the lever 422 on the air guide blade group 4 and can drive the air guide blade group 4 to swing. The first drive disk 75 is connected to the drive motor 3 and can rotate. The first drive disk 75 is provided with a first guide groove 750 connected to the first drive block 72 and can drive the first drive block 72 to slide back and forth. The second drive block is rotatably mounted on the housing. The second drive block is connected to the damper and can drive the damper to swing. The second drive disk 81 is connected to the drive motor 3 and can rotate. The second drive disk 81 is provided with a second guide groove that is connected to the second drive block and can drive the second drive block to rotate back and forth.

[0005] Furthermore, the rotation axis of the first drive disk 75 is perpendicular to the length direction of the air outlet 102 and the axis of the drive motor 3; the rotation axis of the second drive disk 81 is parallel to or coaxial with the axis of the drive motor 3.

[0006] Furthermore, the second drive disk 81 is fixed on the output shaft of the drive motor 3, and the edge of the second drive disk 81 is provided with gear teeth to form a first bevel gear. The end of the first drive disk 75 is fixed with a second bevel gear 74 that meshes with the first bevel gear.

[0007] Furthermore, the output shaft of the drive motor 3 is provided with a drive shaft 9, the side wall of the drive shaft 9 is provided with a first gear tooth, the end of the drive shaft 9 is provided with a third bevel gear, the side wall of the second drive disk 81 is provided with a second gear tooth that meshes with the first gear tooth, and the end of the first drive disk 75 is fixed with a second bevel gear 74 that meshes with the third bevel gear.

[0008] Furthermore, the rotation axis of the second drive block is coaxial with the rotation axis of the damper, and the second drive block is provided with a connecting part that is connected to the rotation axis of the damper.

[0009] Furthermore, there are two air outlets 102 arranged in parallel. The first drive block 72 is disposed between the two air outlets 102 and is simultaneously connected to the air guide vane group 4 in the two air outlets 102. There are two dampers arranged coaxially. There are two second drive blocks, which are respectively disposed on both sides of the second drive disk 81 and respectively connected to the second guide grooves on both sides of the second drive disk 81. Each of the two second drive blocks is provided with a connecting part and is respectively connected to the rotating shaft of the two dampers and controls the rotation of the two dampers respectively.

[0010] Furthermore, the second drive block includes a second drive block I 82 and a second drive block II 83. The second drive block I 82 is provided with a cylindrical body and is rotatably mounted on the housing 1 through the cylindrical body. The end of the cylindrical body 820 is provided with a first connecting part 821 and is connected to one of the dampers. The second drive block II 83 is provided with a convex shaft 831, which passes through the cylindrical body 820 and is rotatably mounted. The end of the convex shaft 831 is provided with a second connecting part 8311, which is connected to the other damper.

[0011] Furthermore, the two dampers are a first damper 51 and a second damper 52. The first damper 51 has a hinge seat 511 on one side edge. Both ends of the hinge seat 511 are provided with sleeves 512 coaxial with the hinge seat 511. One of the sleeves 512 is provided with a third connecting part 5121 and can be connected to one of the second driving blocks. The second damper 52 has two connecting seats 522 on one side edge. A shaft 521 is provided between the two connecting seats 522. The shaft 521 is embedded in the hinge seat 511 and realizes the rotational connection of the second damper 52. One end of the connecting seat 522 is provided with a fourth connecting part 5220 and can be connected to the other second driving block.

[0012] Furthermore, the end of the housing 1 is provided with a mounting bracket 2, the mounting bracket 2 including a first bracket body 21 located at the end of the housing 1, the drive motor 3 and the second drive disk 81 are disposed on the first bracket body 21; one end of the first bracket body 21 extends toward the first drive block to form a second bracket body 22, and the first drive disk 75 is disposed on the second bracket body 22.

[0013] This utility model relates to a single-motor control system for an electric air outlet. It optimizes the mechanical transmission design, using a single motor to achieve both air sweeping and damper adjustment functions. Compared to traditional dual-motor control, the number of motors is halved, and the area of ​​the associated wiring harness, driver chip, and circuit board is simultaneously reduced, significantly lowering material and manufacturing costs. This application employs a single-motor drive, reducing manufacturing costs, simplifying control logic, and resulting in a compact overall structure, small size, and high degree of integration. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the electric air outlet of the single-motor control system of this utility model; Figure 2 This is a schematic diagram of the electric air outlet of the single-motor control system of this utility model from another angle. Figure 3 This is a cross-sectional view of the electric air outlet of the single-motor control system of this utility model; Figure 4 This is a schematic diagram of the internal structure of the electric air outlet of the single-motor control system of this utility model; Figure 5 This is a schematic diagram of the internal structure of the electric air outlet of the single-motor control system of this utility model from another angle. Figure 6 This is a schematic diagram of the structure of the first drive block of the electric air outlet of the single motor control system of this utility model; Figure 7 This is a schematic diagram of the air guide vane assembly of the electric air outlet of the single-motor control system of this utility model. Figure 8 This is a schematic diagram of the installation of the damper of the electric air outlet of the single-motor control system of this utility model; Figure 9 This is a schematic diagram of the installation of the second drive block of the electric air outlet of the single motor control system of this utility model; Figure 10 This is a cross-sectional view of the second drive block of the electric air outlet of the single-motor control system of this utility model; Figure 11 This is a schematic diagram showing the connection between the second drive block and the second drive disc of the electric air outlet of the single motor control system of this utility model; Figure 12 This is a schematic diagram of the second drive block and the second drive disc of the electric air outlet of the single motor control system of this utility model from another angle. Figure 13 This is a schematic diagram showing the connection of the two dampers at the electric air outlet of the single-motor control system of this utility model; Figure 14 This is a connection diagram of another embodiment of the second drive disc of the electric air outlet of the single motor control system of this utility model; In the diagram: 1-Housing; 2-Mounting bracket; 3-Drive motor; 4-Guide blade assembly; 51-First damper; 52-Second damper; 72-First drive block; 74-Second bevel gear; 75-First drive disc; 81-Second drive disc; 82-Second drive block I; 83-Second drive block II; 101-Air inlet; 102-Air outlet; 102a-First air outlet; 102b-Second air outlet; 21-First support body; 22-Second support body; 41-Blade support; 42-Blade body; 421-Swing Arm; 422-Lever; 43-Connecting rod; 511-Hinge; 512-Sleeve; 5121-Third connecting part; 521-Shaft; 522-Connecting seat; 5220-Fourth connecting part; 720-Groove; 721-First cylindrical protrusion; 750-First guide groove; 810-Second guide groove I; 811-Second guide groove II; 820-Cylinder; 821-First connecting part; 822-Second cylindrical protrusion; 831-Protruding shaft; 8311-Second connecting part; 832-Third cylindrical protrusion; 9-Drive shaft. Detailed Implementation

[0015] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0016] See Figures 1-14 This utility model provides an electric air outlet of a single motor control system, which includes a housing 1, a guide vane group 4, a damper and a drive assembly.

[0017] The housing 1 serves as the main structure, and is provided with an air inlet 101 and an air outlet 102. The air inlet 101 is used for air intake, and the air outlet 102 is connected to the air inlet 101 for air outlet. The air outlet 102 is a long and slender structure, that is, a strip structure.

[0018] The air guide blade assembly 4 is installed inside the air outlet 102 for sweeping air; specifically, it includes a blade support 41 and a blade body 42 hinged to the blade support 41. There are multiple blade bodies 42, which are equidistantly arranged along the length direction of the air outlet 102. Each blade body 42 is connected to a connecting rod 43, which can realize the synchronous rotation of each blade body. At the same time, a swing arm 421 is provided on the rotating shaft of one of the blade bodies 42, and a lever 422 is provided on the swing arm, which serves as the driving end of the air guide blade assembly 4 and is connected to the driving component.

[0019] The damper is located between the air inlet 101 and the air outlet 102, and can rotate to control the opening and closing of the air outlet 102 and the air volume.

[0020] The drive assembly is installed on the housing 1 and is used to drive the air guide vane group 4 and the damper to rotate. Specifically, it is used to drive the air guide vane group 4 to rotate and realize air sweeping, and to drive the damper to rotate and realize air volume regulation.

[0021] The drive assembly includes a drive motor 3, a first drive block 72, a first drive disk 75, a second drive block, and a second drive disk 81.

[0022] Among them, the drive motor 3 serves as the power output end of the drive component, and it is a single motor.

[0023] The first drive block 72 is slidably mounted on the housing 1. The sliding direction of the first drive block 72 is parallel to the length direction of the air outlet 102. A groove 720 is provided on the first drive block 72, which is connected to the lever 422 on the air guide blade assembly 4. By sliding the first drive block 72, the air guide blade assembly 4 can be driven to swing, thereby realizing the sweeping of air.

[0024] The first drive disk 75 is generally disc-shaped and is rotatably mounted on the housing 1 and connected to the drive motor 3, i.e., driven by the drive motor 3. The first drive disk 75 is provided with a first guide groove 750, also called a first track groove. Specifically, the first guide groove 750 is set on the disk surface of the first drive disk 75 and is connected to the first drive block 72. Specifically, the first drive block 72 is provided with a first cylindrical protrusion 721, which is located in the first guide groove 750. By rotating the first drive disk 75, the first drive block 72 can be driven to slide back and forth, thereby realizing the reciprocating sweeping of the air guide blade assembly 4.

[0025] The second drive block is rotatably mounted on the housing 1. The second drive block is connected to the damper and can drive the damper to swing.

[0026] The second drive disc 81 is generally disc-shaped and is rotatably mounted on the housing 1 and connected to the drive motor 3, i.e., it is also driven by the drive motor 3. The second drive disc 81 is provided with a second guide groove, also called a second track groove. Specifically, the second guide groove is set on the disc surface of the second drive disc 81 and is connected to the second drive block. Specifically, the second drive block is provided with a second cylindrical protrusion 822, which is located in the second guide groove. By rotating the second drive disc 81, the second drive block can be driven to reciprocate, thereby realizing the reciprocating rotation (oscillation) of the damper.

[0027] This application optimizes the mechanical transmission design, using a single motor to achieve both air sweeping and damper adjustment functions. Compared to traditional dual-motor control, the number of motors in this application is halved, and the area of ​​the corresponding wiring harness, drive chip, and circuit board is reduced accordingly, significantly reducing material and manufacturing costs.

[0028] By setting two drive discs with independently designed guide grooves on each disc, the motor's movement is essentially mechanically programmed, allowing for precise control of the timing and speed of damper opening and closing and blade sweeping. At the same time, the physical limit of the guide grooves replaces complex electronic angle sensors, resulting in a simple and reliable control strategy that is less likely to damage the motor even if it stalls.

[0029] This application uses a single motor drive, which reduces manufacturing costs, simplifies control logic, and has a compact overall structure, small size, and high degree of integration.

[0030] In this application, the rotation axis of the first drive disk 75 is perpendicular to the length direction of the air outlet 102 and the axis of the drive motor 3; the rotation axis of the second drive disk 81 is parallel to or coaxial with the axis of the drive motor 3. The axis of the first drive disk 75 is perpendicular to the length direction of the air outlet and the motor axis, that is, its disk surface is parallel to the length direction of the air outlet. It can convert rotational motion into linear sliding along the length direction of the air outlet, perfectly matching the lateral sweeping requirements of the guide vane assembly. The transmission path is the shortest and no additional reversing mechanism is required, resulting in a more direct response. The axis of the second drive disk 81 is parallel to or coaxial with the axis of the drive motor 3, which allows the second drive disk and the motor to overlap axially, so that the damper transmission chain outputs along the motor axis without occupying additional space in the width or height direction. Through the above design, the overall layout is reasonable and the overall structural volume is greatly reduced.

[0031] In this embodiment, the rotation axis of the second drive block is coaxial with the rotation axis of the damper. A connecting part is provided on the second drive block and connected to the rotating shaft of the damper. The rotation of the second drive block directly drives the damper to rotate synchronously. The rotation axis of the second drive block coincides with the rotating shaft of the damper. The two are rigidly coupled through the connecting part. The driving torque of the second drive block directly acts on the damper, which has high transmission efficiency and fast response. At the same time, the structure is more compact.

[0032] In this embodiment, there are two air outlets 102 arranged in parallel, namely a first air outlet 102a and a second air outlet 102b; a first drive block 72 is disposed between the two air outlets 102 and is connected to the air guide vane group 4 in both air outlets 102, enabling simultaneous air sweeping of the two air outlets 102. There are two dampers arranged coaxially, that is, the rotating shafts of the two dampers are coaxial; there are also two second drive blocks, which are respectively disposed on both sides of the second drive disk 81 and respectively connected to two second guide grooves on both sides of the second drive disk 81. The guide paths of the two second guide grooves are different, enabling the two second drive blocks to rotate in a set sequence; each of the second drive blocks is also provided with a connecting part, which is respectively connected to the rotating shaft of the two dampers, thereby controlling the independent rotation of the two dampers.

[0033] Specifically, the second drive block includes a second drive block I 82 and a second drive block II 83, which are located on opposite sides of the second drive disk 81. A cylindrical body 820 is provided on the second drive block I 82, which is rotatably mounted on the housing 1. A first connecting portion 821, which is a groove, is provided at the end of the cylindrical body 820 and connects to one of the dampers. Simultaneously, a second cylindrical protrusion 822 is provided on the second drive block I 82, which engages with the second guide groove I 810 on the first surface of the second drive disk 81. Rotation of the second drive disk drives the second drive block II to... The second guide groove I 810 rotates according to a set timing; a convex shaft 831 is provided on the second drive block II 83, which passes through the cylindrical body 820 and is rotatably installed. A second connecting part 8311 is provided at the end of the convex shaft 831. The second connecting part 8311 is a protruding structure and is connected to another damper; at the same time, a third columnar protrusion 832 is provided on the second drive block II 83, which is connected to the second guide groove II 811 on the second disk surface of the second drive disk 81. By rotating the second drive disk, the second drive block II can be driven to rotate in a set timing; the overall layout is compact, the installation volume is small, and it is easy to assemble.

[0034] In this embodiment, the two dampers are a first damper 51 and a second damper 52. A hinge seat 511 is provided on one side edge of the first damper 51. In this embodiment, it is provided on one long side edge of the first damper 51. The side wall of the hinge seat 511 has an opening, forming an "Ω" shaped structure. Sleeves 512 are provided at both ends of the hinge seat 511. Specifically, sleeves 512 are provided at both ends of the side edge of the first damper. There is a distance between the sleeves 512 and the end of the hinge seat, and they are coaxial with the hinge seat 511. A third connecting part 5121 is provided on one of the sleeves 512, which can be connected to one of the second driving blocks. Specifically, the third connecting part 5121 is a protruding structure, which cooperates with the first connecting part 821 on the second driving block I 82 to realize torque transmission.

[0035] Two connecting seats 522 are provided on one side edge of the second damper 52. In this embodiment, a shaft 521 is provided between the two connecting seats 522 and is embedded in the hinge seat 511, thereby realizing the rotational installation of the second damper 52. A fourth connecting part 5220 is provided at the end of one of the connecting seats 522, which can be connected to another second drive block. Specifically, the fourth connecting part 5220 is a slot opened at the end of the connecting seat 522, which can accommodate the insertion of the second connecting part 8311 at the end of the second drive block II 83 to realize torque transmission. Specifically, the second connecting part 8311 can pass through the sleeve 512 and connect with the fourth connecting part 5220.

[0036] It can achieve coaxial rotation of two dampers, and the rotation sequence of the two dampers can be independently set through the second guide groove on the second drive plate, so that the opening and closing actions of the two dampers can be independently controlled according to the preset sequence without interfering with each other; the overall structure is compact, the installation volume is small, and it is easy to assemble.

[0037] In this application, a mounting bracket 2 is provided at the end of the housing 1. The mounting bracket 2 includes a first bracket body 21 located at the end of the housing 1, a drive motor 3 and a second drive disk 81 are mounted on the first bracket body 21; one end of the first bracket body 21 extends toward the first drive block and forms a second bracket body 22. The second bracket body 22 is located between the two air outlets, and the first drive disk 75 is mounted on the second bracket body 22. The entire mounting bracket 2 forms an L-shaped structure, which is a modular structure that is easy to assemble. At the same time, the layout is reasonable and occupies little space.

[0038] In this application, the drive motor 3 can drive the first drive disk and the second drive disk in different ways.

[0039] In Embodiment 1, the second drive disk 81 is directly fixed on the output shaft of the drive motor 3. The edge of the second drive disk 81 is provided with gear teeth to form a first bevel gear. That is, in this embodiment, the second drive disk 81 also serves as a bevel gear. A second bevel gear 74 is fixed at the end of the first drive disk 75 and meshes with the first bevel gear. During operation, the drive motor 3 drives the second drive disk 81 to rotate through the output shaft. The second drive disk 81 drives the second bevel gear 74 to rotate through the gear teeth (first bevel gear) on its edge, thereby driving the first drive disk 75 to rotate. It has a compact structure, small size, and high transmission efficiency, reducing intermediate transmission links and lowering energy loss and failure rate.

[0040] Example 2, see Figure 14 A drive shaft 9 is provided on the output shaft of the drive motor 3. A first gear tooth is provided on the side wall of the drive shaft 9, and a third bevel gear is provided at the end of the drive shaft 9. A second gear tooth is provided on the side wall of the second drive disk 81, forming a spur gear structure that meshes with the first gear tooth. At the same time, a second bevel gear 74 is fixed at the end of the first drive disk 75, which meshes with the third bevel gear. During operation, the drive motor 3 drives the drive shaft 9 to rotate through the output shaft. The first gear tooth on the drive shaft 9 meshes with the spur gear structure on the side wall of the second drive disk 81, driving the second drive disk 81 to rotate. At the same time, the third bevel gear at the end of the drive shaft 9 meshes with the second bevel gear 74 at the end of the first drive disk 75, driving the first drive disk 75 to rotate. This allows the drive motor to be offset from the second drive disk 81, adapting to different sizes and types of air outlets.

[0041] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A single-motor control system for an electric air outlet, characterized in that, include: The housing has an air inlet and an air outlet; The air guide vane assembly is installed inside the air outlet end for sweeping air; An air damper is disposed between the air inlet and the air outlet to control the opening and closing of the air outlet and the air volume. A drive assembly for driving the air guide vane assembly and damper to rotate includes: Drive motor; The first drive block is slidably mounted on the housing and its sliding direction is parallel to the length direction of the air outlet. The first drive block is connected to the lever on the air guide blade assembly and can drive the air guide blade assembly to swing. A first drive disk is connected to the drive motor and can rotate. The first drive disk is provided with a first guide groove connected to the first drive block and can drive the first drive block to slide back and forth. The second drive block is rotatably mounted on the housing, and the second drive block is connected to the damper and can drive the damper to swing. The second drive disk is connected to the drive motor and can rotate. The second drive disk is provided with a second guide groove that is connected to the second drive block and can drive the second drive block to reciprocate.

2. The electric air outlet of the single-motor control system as described in claim 1, characterized in that: The rotation axis of the first drive disk is perpendicular to the length direction of the air outlet and the axis of the drive motor; the rotation axis of the second drive disk is parallel to or coaxial with the axis of the drive motor.

3. The electric air outlet of the single-motor control system as described in claim 2, characterized in that: The second drive disk is fixed on the output shaft of the drive motor. The edge of the second drive disk is provided with gear teeth to form a first bevel gear. The end of the first drive disk is fixed with a second bevel gear that meshes with the first bevel gear.

4. The electric air outlet of the single-motor control system as described in claim 2, characterized in that: The output shaft of the drive motor is provided with a drive shaft, the side wall of the drive shaft is provided with a first gear tooth, the end of the drive shaft is provided with a third bevel gear, the side wall of the second drive disk is provided with a second gear tooth that meshes with the first gear tooth, and the end of the first drive disk is fixed with a second bevel gear that meshes with the third bevel gear.

5. The electric air outlet of the single-motor control system as described in claim 1, characterized in that: The rotation axis of the second drive block is coaxial with the rotation axis of the damper, and the second drive block is provided with a connecting part that is connected to the rotation axis of the damper.

6. The electric air outlet of the single-motor control system as described in claim 1, characterized in that: There are two air outlets arranged in parallel. The first drive block is disposed between the two air outlets and is simultaneously connected to the air guide vane assembly in the two air outlets. There are two air dampers arranged coaxially. There are two second drive blocks, which are respectively disposed on both sides of the second drive disk and respectively connected to the second guide grooves on both sides of the second drive disk. Each of the two second drive blocks is provided with a connecting part and is respectively connected to the rotating shaft of the two air dampers and controls the rotation of the two air dampers respectively.

7. The electric air outlet of the single-motor control system as described in claim 6, characterized in that: The second drive block includes a second drive block I and a second drive block II. The second drive block I is provided with a cylindrical body and is rotatably mounted on the housing through the cylindrical body. The end of the cylindrical body is provided with a first connecting part and is connected to one of the dampers. The second drive block II is provided with a convex shaft, which passes through the cylindrical body and is rotatably mounted. The end of the convex shaft is provided with a second connecting part and is connected to the other damper.

8. The electric air outlet of the single-motor control system as described in claim 6, characterized in that: The two dampers are a first damper and a second damper. The first damper has a hinge seat on one side edge, and sleeves coaxial with the hinge seat are provided at both ends of the hinge seat. One of the sleeves has a third connecting part that can be connected to one of the second driving blocks. The second damper has two connecting seats on one side edge, and a shaft is provided between the two connecting seats. The shaft is embedded in the hinge seat and realizes the rotational connection of the second damper. One of the connecting seats has a fourth connecting part at its end that can be connected to the other second driving block.

9. The electric air outlet of the single-motor control system as described in claim 1, characterized in that: The end of the housing is provided with a mounting bracket, the mounting bracket including a first bracket body located at the end of the housing, the drive motor and the second drive disk are disposed on the first bracket body; one end of the first bracket body extends toward the first drive block to form a second bracket body, and the first drive disk is disposed on the second bracket body.

Images