Actuator and automobile air outlet assembly

Abstract

The utility model provides an actuator and an automobile air outlet assembly, and belongs to the technical field of automobile parts, the actuator comprises an upper cover and a lower shell, the upper cover and the lower shell are spliced to form a shell with a containing cavity; the stator circuit board is located in the containing cavity and comprises a printed circuit board and a coil assembly arranged on the printed circuit board, the coil assembly comprises a plurality of coils distributed in an annular array, and the coil assembly generates a magnetic field after being powered on; one end of the rotor is a disc part and is close to the coil assembly, the disc part can cover all the coils, the other end of the rotor is a meshing part, and a variable magnetic field generated by the coil assembly drives the rotor to rotate in the circumferential direction; and the reduction gear set comprises an input end and an output end, the input end is meshed with the meshing part, and the output end is connected with an external mechanism. Rotation of the rotor is achieved through a magnetic field generated by the electrified coil assembly, the size of the whole actuator is reduced, in addition, the reduction gear set is arranged, so that output torque is reduced, and the output rotating speed is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, and relates to an actuator, in particular to an automobile air outlet assembly with the actuator. BACKGROUND

[0002] With the rapid development of new energy vehicles, the control of the whole vehicle is increasingly electronic and centralized. Traditional mechanical control buttons are less and less, such as air outlet assemblies. The design of electrically controlling the direction of air appears. The electric air outlet assembly cancels the traditional manual adjustment of the direction of air knob, and instead adjusts the internal air door and blade through the actuator. The electric air outlet can not only directly control the direction of the electric air outlet assembly through voice, but also can simulate natural wind sweeping to improve the comfort of passengers. Moreover, the electric air outlet assembly can be designed in a hidden mode, greatly improving the design allowance of the whole vehicle instrument desk.

[0003] At present, the actuator in the electric air outlet assembly is generally designed and developed based on the standard of the automobile air conditioner box actuator. There are mainly the following problems. First, the torque is too large, the strength requirement of the electric air outlet assembly is high, and it will also cause the noise to be too large at the time of blocking rotation. Second, the rotation speed is too low, which cannot meet the requirement of fast adjustment of the electric air outlet assembly. Third, the size is too large, especially in the thickness aspect, it needs to occupy more space, which affects the structural design of the electric air outlet assembly. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above problems existing in the prior art, and provides an actuator which can reduce the output torque, speed up the output speed, and has a small product size.

[0005] The utility model can be realized by the following technical scheme: an actuator, comprising:

[0006] The upper cover and the lower shell form a hollow shell containing the accommodating cavity through the connection between the upper cover and the lower shell;

[0007] The stator circuit board is located in the accommodating cavity and comprises a printed circuit board and a coil group located on the surface of the printed circuit board. The coil group comprises a plurality of planar spiral coils arranged in a ring array. After being electrified, the coil group generates a magnetic field.

[0008] The rotor has a disc part at one end and is close to the coil group. The disc part can cover all the coils. The other end of the rotor is a meshing part. The changing magnetic field generated by the coil group drives the rotor to rotate circumferentially.

[0009] The speed reduction gear set comprises an input end and an output end. The input end is engaged with the meshing part, and the output end is connected with an external mechanism.

[0010] In the actuator, a partition plate is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity and a second cavity, the first cavity is located between the upper cover and the partition plate, and the second cavity is located between the partition plate and the lower shell, the printed circuit board is arranged in the first cavity, the reduction gear set is arranged in the second cavity, one end of the rotor corresponding to the coil set on the printed circuit board is located in the first cavity, and the meshing part of the rotor is located in the second cavity.

[0011] In the actuator, a first rotating shaft is arranged in the accommodating cavity, and two ends of the first rotating shaft are connected to the upper cover and the lower shell respectively, the first rotating shaft penetrates the printed circuit board and the partition plate respectively, and the rotor is nested on the first rotating shaft and driven to rotate around the first rotating shaft by a magnetic field generated by the coil set.

[0012] In the actuator, a first avoiding hole is arranged on the printed circuit board, a second avoiding hole is arranged on the partition plate, one end of the first rotating shaft is connected to the upper cover, the other end of the second rotating shaft penetrates the first avoiding hole and the second avoiding hole in sequence, and the second rotating shaft is connected to the lower shell.

[0013] In the actuator, the reduction gear set comprises a first transmission gear and an output gear, the input end of the first transmission gear is engaged with the meshing part, the output end of the first transmission gear is engaged with the output gear, the output gear is an output end of the reduction gear set, and the output gear is connected to an external mechanism.

[0014] In the actuator, a second rotating shaft is arranged in the second cavity, and two ends of the second rotating shaft are connected to the partition plate and the lower shell respectively, and the first transmission gear is nested on the second rotating shaft.

[0015] In the actuator, the output gear is a gear shaft, and two ends of the output gear are rotatably connected to the partition plate and the lower shell respectively.

[0016] In the actuator, the reduction gear set further comprises a second transmission gear, the input end of the second transmission gear is engaged with the output end of the first transmission gear, the output end of the second transmission gear is engaged with the output gear, a third rotating shaft is arranged in the second cavity, two ends of the third rotating shaft are connected to the partition plate and the lower shell respectively, and the second transmission gear is nested on the third rotating shaft.

[0017] In the actuator, the coil set is arranged on the printed circuit board and is integrally arranged with the printed circuit board, the printed circuit board is provided with a jack, the plug-in part is provided with a plug pin, and the plug pin and the jack are electrically connected through plug-in cooperation.

[0018] The utility model also provides a car air outlet assembly, including the actuator.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The utility model provides an actuator, the rotation of rotor is realized through the magnetic field of energized coil group, to this reduce the volume of whole actuator, in addition, through setting deceleration gear group, to this reduce output torque, improve output speed. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic drawing of the utility model actuator.

[0022] Figure 2 It is another structure schematic drawing of the utility model actuator.

[0023] Figure 3 It is Figure 2 The sectional view A-A shown in the figure.

[0024] Figure 4 It is a partial structure schematic drawing of the utility model actuator.

[0025] Figure 5 It is a structure schematic drawing of stator circuit board in the preferable embodiment of the utility model.

[0026] Figure 6 It is a structure schematic drawing of partition in the preferable embodiment of the utility model.

[0027] Figure 7 It is a structure schematic drawing of lower shell in the preferable embodiment of the utility model.

[0028] In the figure,

[0029] 10, upper cover, 11, first upper connecting part, 12, clamping groove,

[0030] 20, lower shell, 21, first lower connecting part, 22, second lower connecting part, 23, third lower connecting part, 24, fourth lower connecting part, 25, buckle,

[0031] 30, accommodating cavity, 31, first cavity, 32, second cavity,

[0032] 40, plug-in part, 41, plug pin,

[0033] 50, stator circuit board, 51, coil group, 52, printed circuit board, 521, jack, 522, first avoiding hole,

[0034] 60, rotor, 61, meshing part, 62, disc part, 63, first rotating shaft,

[0035] 70, deceleration gear group, 71, first transmission gear, 72, second transmission gear, 73, output gear, 74, second rotating shaft, 75, third rotating shaft,

[0036] 80. Partition; 81. Second clearance hole; 82. Second upper connecting part; 83. Third upper connecting part; 84. Fourth upper connecting part. Detailed Implementation

[0037] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0038] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0039] like Figures 1 to 7 As shown, the actuator provided by this utility model includes:

[0040] The upper cover 10 and the lower shell 20 are connected to form a hollow shell containing a receiving cavity 30, and a plug-in part 40 is provided on one side of the shell.

[0041] The stator circuit board 50 is located in the receiving cavity 30 and includes a printed circuit board 52 on which a coil group 51 is provided and the printed circuit board 52 is electrically connected to the plug-in part 40. When energized, the coil group 51 generates a magnetic field.

[0042] The rotor 60 has one end facing the coil group 51, and the changing magnetic field generated by the coil group 51 drives the rotor 60 to rotate circumferentially. The other end of the rotor 60 is the meshing part 61.

[0043] The reduction gear set 70 has an input end and an output end at its two ends, respectively. The input end meshes with the meshing part 61, and the output end is connected to an external mechanism.

[0044] In the current technology, the actuators in electric air vent assemblies are generally designed and developed based on the standards of automotive air conditioning unit actuators. The main problems are as follows: First, the torque is too large, which requires high strength of the electric air vent assembly and also leads to excessive noise when the rotor is stalled; Second, the speed is too low, which cannot meet the requirements of rapid adjustment of the electric air vent assembly; Third, the size is too large, especially in terms of thickness, which requires a lot of space and affects the structural design of the electric air vent assembly.

[0045] The working principle of the utility model provides an executor, the first user sends LIN message to the executor, the printed circuit board 52 in the executor interprets the LIN message of the user, then the printed circuit board 52 exports periodic voltage to the coil group 51 on the printed circuit board 52 according to the message information of interpretation, then the coil group 51 generates periodic magnetic field under the action of periodic voltage and drives the rotor 60 to rotate, generates torque, and the rotor 60 has certain rotating speed, again the torque is amplified by the reduction gear set 70, finally realizes the action of the actuating mechanism connected with the output end of the reduction gear set 70.

[0046] It is worth mentioning that the actuating mechanism can be the blade in the automobile air outlet assembly, the charging port cover in the automobile electric charging port or the grid blade in the electric grid of the bicycle.

[0047] The utility model provides an executor, the magnetic field generated by the energized coil group 51 is used to realize the rotation of the rotor 60, so as to reduce the volume of the whole executor, in addition, the reduction gear set 70 is arranged, so as to reduce the output torque and improve the output rotating speed.

[0048] It is worth mentioning that the coil group 51 in the stator circuit board 50 can be integrally formed through the circuit board manufacturing process, which can realize the integrated design, production and integration of the driving control circuit and the stator circuit board 50, thereby simplifying the production and assembly of the stator circuit board and reducing the volume of the whole executor.

[0049] It is further pointed out that the plug hole 521 is arranged on the printed circuit board 52, the plug pin 41 is arranged on the plug-in part 40, and the plug-in cooperation between the plug hole 521 and the plug pin 41 realizes the electrical connection between the two. Such a structure design omits the electrical connection between the two through the wire welding mode, avoids the occurrence of the problems of virtual welding and insecure welding, and improves the reliability of the electrical connection.

[0050] Further preferably, the rotor 60 is arranged in a stepped manner, and the rotor 60 includes a disc part 62 and an engaging part 61, wherein the disc part 62 faces the coil group 51, the engaging part 61 engages with the input end of the reduction gear set 70, and the engaging part 61 is a gear structure.

[0051] It is worth mentioning that the disc part 62 does not contact the side where the coil group 51 is located on the printed circuit board 52, and the coil group 51 includes a plurality of planar spiral coils, wherein the plurality of coils are arranged in a ring array, and the disc part 62 can cover all the coils.

[0052] Preferably, the actuator further comprises a partition plate 80 horizontally arranged in the accommodating cavity 30 and connected with the cavity wall of the accommodating cavity 30, so as to divide the accommodating cavity 30 into a first cavity 31 and a second cavity 32 arranged in a vertical manner, the first cavity 31 is located between the upper cover 10 and the partition plate 80, and the second cavity 32 is located between the partition plate 80 and the lower shell 20, wherein the stator circuit board 50 is located in the first cavity 31, the reduction gear set 70 is located in the second cavity 32, the disc part 62 of the rotor 60 is located in the first cavity 31, and the engaging part 61 of the rotor 60 is located in the second cavity 32.

[0053] It is worth mentioning that a first rotating shaft 63 is arranged in the accommodating cavity 30, the first rotating shaft 63 is vertically arranged, and the two ends of the first rotating shaft 63 are respectively connected with the first upper connecting part 11 of the upper cover 10 and the first lower connecting part 21 of the lower shell 20, wherein the first rotating shaft 63 penetrates the printed circuit board 52 and the partition plate 80, and the rotor 60 is nested on the first rotating shaft 63 and clamped between the first upper connecting part 11 and the first lower connecting part 21, and the magnetic field generated by the coil set 51 drives the rotor 60 to rotate around the first rotating shaft 63.

[0054] In addition, in order to realize the installation of the first rotating shaft 63 and make the layout of the accommodating cavity 30 more compact, a first avoiding hole 522 and a second avoiding hole 81 can be arranged on the printed circuit board 52 and the partition plate 80 respectively, wherein one end of the first rotating shaft 63 is connected with the first upper connecting part 11, the other end of the first rotating shaft 63 penetrates the first avoiding hole 522 and the second avoiding hole 81 in sequence, and is connected to the first lower connecting part 21.

[0055] It is worth mentioning that the first avoiding hole 522 and the second avoiding hole 81 are circularly arranged, wherein the plurality of coils in the coil set 51 are arranged in a ring shape around the first avoiding hole 522 as the center.

[0056] Preferably, the reduction gear set 70 comprises a first transmission gear 71, a second transmission gear 72 and an output gear 73, wherein the input end of the first transmission gear 71 is engaged with the engaging part 61, the output end of the first transmission gear 71 is engaged with the input end of the second transmission gear 72, the output end of the second transmission gear 72 is engaged with the output gear 73, and the output gear 73 is the output end of the reduction gear set 70 and is connected with an external mechanism.

[0057] It is worth mentioning that the first transmission gear 71 and the second transmission gear 72 each include two gear plates, i.e., an upper gear plate and a lower gear plate, and the lower gear plate in the first transmission gear 71 is engaged with the meshing part 61, the upper gear plate in the first transmission gear 71 is engaged with the upper gear plate in the second transmission gear 72, and the lower gear plate in the second transmission gear 72 is engaged with the output gear 73, wherein the diameter of the upper gear plate of the first transmission gear 71 is smaller than the diameter of the lower gear plate of the first transmission gear 71, and the diameter of the upper gear plate of the second transmission gear 72 is greater than the diameter of the lower gear plate of the second transmission gear 72.

[0058] Further, the second rotating shaft 74 is arranged in the second cavity 32, and the two ends of the second rotating shaft 74 are connected with the second upper connecting part 82 of the partition plate 80 and the second lower connecting part 22 of the lower shell 20 respectively, wherein the first transmission gear 71 is nested on the second rotating shaft 74, and the two ends of the first transmission gear 71 are clamped between the second upper connecting part 82 and the second lower connecting part 22.

[0059] Further, the third rotating shaft 75 is arranged in the second cavity 32, and the two ends of the third rotating shaft 75 are connected with the third upper connecting part 83 of the partition plate 80 and the third lower connecting part 23 of the lower shell 20 respectively, wherein the second transmission gear 72 is nested on the third rotating shaft 75, and the two ends of the second transmission gear 72 are clamped between the third upper connecting part 83 and the third lower connecting part 23.

[0060] It is worth mentioning that the second rotating shaft 74 and the first transmission gear 71 can be integrally arranged to form a first gear shaft, and the third rotating shaft 75 and the second transmission gear 72 can be integrally arranged to form a second gear shaft, so that when the first gear shaft and the second gear shaft are connected between the partition plate 80 and the lower shell 20, the two ends of the first gear shaft are rotatably connected with the second upper connecting part 82 and the second lower connecting part 22 respectively, and the two ends of the second gear shaft are rotatably connected with the third upper connecting part 83 and the third lower connecting part 23 respectively.

[0061] In addition, the output gear 73 is a gear shaft, and the two ends of the output gear 73 are rotatably connected with the fourth upper connecting part 84 of the partition plate 80 and the fourth lower connecting part 24 of the lower shell 20 respectively.

[0062] In the embodiment, if the second rotating shaft 74 and the first transmission gear 71 are integrally arranged, and the third rotating shaft 75 and the second transmission gear 72 are integrally arranged, the assembly parts of the actuator can be reduced, and the efficiency of the actuator assembly can be improved.

[0063] Preferably, the upper cover 10 and the lower shell 20 are clamped and matched, a clamping groove 12 is arranged on the upper cover 10, and a corresponding clamping buckle 25 is arranged on the lower shell 20.

[0064] It is worth mentioning that the position of the card slot 12 and the position of the buckle 25 can be interchanged, that is, the buckle 25 is arranged on the upper cover 10, and the card slot 12 is arranged on the lower shell 20.

[0065] It should be noted that the description of "first", "second", "one" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implicitly indicating the number of the technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited. The terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0066] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0067] The specific embodiments described herein are merely illustrative of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. An actuator, characterized in that, include: The upper cover (10) and the lower shell (20) are connected to form a hollow shell containing a receiving cavity (30); The stator circuit board (50) is located in the receiving cavity (30) and includes a printed circuit board (52) and a coil group (51) located on the surface of the printed circuit board (52). The coil group (51) includes a plurality of planar spiral coils arranged in a ring array. When energized, the coil group (51) generates a magnetic field. The rotor (60) has a disc portion (62) at one end, which is close to the coil group (51) and the disc portion (62) can cover all the coils. The other end of the rotor (60) is a meshing portion (61). The rotor (60) is driven to rotate circumferentially by the changing magnetic field generated by the coil group (51). The reduction gear set (70) includes an input end and an output end, wherein the input end meshes with the meshing part (61) and the output end is connected to an external mechanism.

2. The actuator according to claim 1, characterized in that, It also includes a partition (80) located within the receiving cavity (30) and dividing the receiving cavity (30) into a first cavity (31) and a second cavity (32). The first cavity (31) is located between the upper cover (10) and the partition (80), and the second cavity (32) is located between the partition (80) and the lower shell (20). The printed circuit board (52) is located within the first cavity (31), the reduction gear set (70) is located within the second cavity (32), one end of the rotor (60) corresponding to the coil set (51) on the printed circuit board (52) is located within the first cavity (31), and the meshing part (61) of the rotor (60) is located within the second cavity (32).

3. The actuator according to claim 2, characterized in that, A first rotating shaft (63) is provided in the receiving cavity (30), and the two ends of the first rotating shaft (63) are connected to the upper cover (10) and the lower shell (20) respectively. The first rotating shaft (63) passes through the printed circuit board (52) and the partition plate (80) respectively, and the rotor (60) is nested on the first rotating shaft (63). The rotor (60) is driven to rotate around the first rotating shaft (63) by the magnetic field generated by the coil group (51).

4. The actuator according to claim 3, characterized in that, The printed circuit board (52) is provided with a first clearance hole (522), and the partition (80) is provided with a second clearance hole (81). One end of the first rotating shaft (63) is connected to the upper cover (10), and the other end of the second rotating shaft (74) passes through the first clearance hole (522) and the second clearance hole (81) in sequence and is connected to the lower shell (20).

5. The actuator according to claim 2, characterized in that, The reduction gear set (70) includes a first transmission gear (71) and an output gear (73). The input end of the first transmission gear (71) meshes with the meshing part (61), and the output end of the first transmission gear (71) meshes with the output gear (73). The output gear (73) is the output end of the reduction gear set (70) and is connected to the external mechanism.

6. The actuator according to claim 5, characterized in that, A second rotating shaft (74) is provided in the second cavity (32), and the two ends of the second rotating shaft (74) are respectively connected to the partition plate (80) and the lower shell (20), wherein the first transmission gear (71) is nested on the second rotating shaft (74).

7. The actuator according to claim 5, characterized in that, The output gear (73) is a gear shaft, and the two ends of the output gear (73) are rotatably connected to the partition plate (80) and the lower shell (20) respectively.

8. The actuator according to claim 5, characterized in that, The reduction gear set (70) further includes a second transmission gear (72), and the input end of the second transmission gear (72) meshes with the output end of the first transmission gear (71), and the output end of the second transmission gear (72) meshes with the output gear (73). A third rotating shaft (75) is provided in the second cavity (32), and the two ends of the third rotating shaft (75) are respectively connected to the partition plate (80) and the lower shell (20). The second transmission gear (72) is nested on the third rotating shaft (75).

9. The actuator according to any one of claims 1 to 8, characterized in that, The coil assembly (51) is embedded in the printed circuit board (52) and is integrally formed with the printed circuit board (52). The printed circuit board (52) is provided with a socket (521), and the plug part (40) is provided with a pin (41). The electrical connection between the two is achieved through the plug-in cooperation between the pin (41) and the socket (521).

10. An automotive air vent assembly, characterized in that, Includes the actuator as described in any one of claims 1 to 9.

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