Air conditioner air outlet actuator and automobile air conditioner control system

Abstract

The utility model provides an air conditioner air outlet actuator. The air conditioner air outlet actuator comprises a shell; the motor is arranged in the shell and can be driven by receiving an external control signal; the gear set is arranged in the shell and comprises at least two gears which are sequentially in transmission connection, the upstream of the gear set is in transmission connection with the motor, and the downstream of the gear set can be connected with air outlet blades; and the sensor is arranged in the shell and can correspondingly sense transmission state information of the motor or one of the gears and output the transmission state information, so that intelligent automatic control of the air outlet with a feedback control mechanism is realized. The utility model further provides an automobile air conditioner control system comprising the air conditioner air outlet actuator.

Description

Technical Field

[0001] The utility model relates to the field of automobile air-conditioning control, and more specifically, to an air-conditioning outlet actuator and an automobile air-conditioning control system comprising the air-conditioning outlet actuator. Background Art

[0002] With the rapid development of the times, intelligent and electrified products have gradually penetrated into all aspects of people's lives and can be seen everywhere. Among them, new energy vehicles are an important intelligent product.

[0003] With the intelligent reform driven by new energy vehicles, hidden air-conditioning vents have become standard. The adjustment of air-conditioning vents has bid farewell to the era of manual adjustment. All commands are adjusted through the large screen of the car or voice commands. Therefore, electric air outlets have become a new development trend. The air-conditioning vent actuator is the core component of the electric air outlet.

[0004] Existing air-conditioning outlet actuators can achieve electric control, but the electric control process is complicated and lacks a feedback control mechanism, which cannot meet the user's intelligent needs. Utility Model Content

[0005] In view of the above, the present invention aims to address at least one of the technical problems existing in the prior art. To this end, the present invention provides an air conditioner vent actuator and an automotive air conditioning control system incorporating the same. The air conditioner vent actuator automatically controls the air conditioner blades via a motor and gears. A sensor is incorporated within the actuator to detect the actuator's transmission status and provide feedback, further adjusting the motor's drive control and achieving a higher level of intelligent control. Furthermore, the actuator and air conditioner controller feature a simple structure, making them suitable for large-scale industrial production applications.

[0006] To this end, in a first aspect, an embodiment of the present utility model provides an air-conditioning outlet actuator, comprising:

[0007] case;

[0008] a motor, disposed in the housing and capable of receiving an external control signal for driving;

[0009] a gear set, disposed in the housing, comprising at least two gears sequentially connected in transmission, wherein the upstream of the gear set is connected in transmission to the motor, and the downstream of the gear set is capable of connecting to the air outlet blades; and

[0010] The sensor is disposed in the housing and can correspondingly sense the transmission status information of the motor or one of the gears and output the transmission status information.

[0011] Preferably, the sensor includes one of a linear Hall sensor, an angular displacement sensor, a resistance sensor, a voltage sensor, and a potentiometer, and the sensor senses the transmission state information of the last gear.

[0012] Preferably, the sensor comprises a pulse Hall sensor, and the sensor senses transmission status information of the motor or the non-last gear.

[0013] Preferably, the linear Hall sensor or the pulse Hall sensor is arranged in the housing, and a magnet is provided on the corresponding motor or one of the gears.

[0014] Preferably, the housing includes an open lower shell and an upper cover capable of covering the lower shell, and the motor, the gear set and the sensor are arranged in the lower shell.

[0015] Preferably, the motor is a brushed DC motor.

[0016] Preferably, the motor includes a main body and a worm connected to the main body, and the gear set includes a worm wheel correspondingly connected to the worm.

[0017] Preferably, the gear set includes four stages of gears, each of the gears includes a larger transmission input portion and a smaller transmission output portion, and the transmission input portion of each gear is connected to the transmission output portion of the previous gear.

[0018] Preferably, the last-stage transmission gear is connected to the air-conditioning outlet blades by means of splines, transmitting the rotational output of the gear to the air-conditioning blades.

[0019] In a second aspect, an embodiment of the present invention further provides an automobile air-conditioning control system, comprising an electronic control unit, and several air-conditioning air outlet actuators according to the first aspect, wherein the last-stage gear of each air outlet actuator is connected to an air outlet blade, and the electronic control unit is capable of receiving control instructions and outputting a PWM drive signal to drive the actuator according to the control instructions, and is also capable of receiving the transmission status information.

[0020] The air conditioner vent actuator provided by this utility model achieves automatic control of the air conditioner blades through a motor and gears. A sensor is installed within the actuator to detect and provide feedback on the actuator's transmission status. The automotive air conditioning control system and control method provided by this utility model directly controls the air conditioner vent motor through an electronic control unit, simplifying the control path and improving control efficiency. Furthermore, the sensor detects the actuator's internal transmission status and provides feedback to the electronic control unit for adaptive control and adjustment. This further implements intelligent feedback control based on automatic control, improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of an air-conditioning outlet actuator provided by an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the central air-conditioning outlet actuator in a disassembled state;

[0023] Figure 3 for Figure 2 Schematic diagram of the three-dimensional structure of the partial assembly of the central air conditioner outlet actuator;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the air outlet actuator of the air conditioner according to the embodiment of the utility model installed in the air outlet assembly;

[0025] Figure 5 This is a schematic diagram of the framework structure of the automobile air-conditioning control system provided by an embodiment of the present utility model. DETAILED DESCRIPTION

[0026] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0027] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but a person of ordinary skill in the art will appreciate the applicability of other processes and / or the use of other materials.

[0028] Please refer to Figures 1 to 3 The purpose of the present invention is to provide an air-conditioning vent actuator 100 for use in automobile air-conditioning vents to perform intelligent automatic control of vent blades (not shown). The air-conditioning vent actuator 100 includes:

[0029] Housing 10;

[0030] The motor 20 is disposed in the housing 10 and can receive an external PWM drive signal for driving;

[0031] A gear set 30 is disposed in the housing 10 and includes at least two gears 31 that are sequentially connected in a transmission manner. The upstream of the gear set 30 is connected in a transmission manner to the motor 20, and the downstream of the gear set 30 can be connected to the air outlet blades; and

[0032] The sensor 40 is disposed in the housing 10 and can correspondingly sense the transmission status information of the motor 20 or one of the gears 31 and output the transmission status information.

[0033] In this embodiment, the motor receives an external PWM drive signal to drive the gear set and the air outlet blades to rotate, thereby realizing automatic control. The sensor further detects the transmission state inside the actuator and feeds back to the external control module.

[0034] Furthermore, the sensor 40 includes one of a linear Hall sensor, an angular displacement sensor, a resistance sensor, and a voltage sensor. The sensor 40 senses the transmission status information of the last-stage gear 31. In this embodiment, the sensor 40 is configured as one of a linear Hall sensor, an angular displacement sensor, a resistance sensor, and a voltage sensor. The linear Hall sensor can detect the rotational phase information of the corresponding gear 31, the angular displacement sensor can detect the angular displacement information of the corresponding gear 31, and the resistance sensor and voltage sensor respectively detect the resistance change information and voltage change information corresponding to the rotational displacement. This information corresponds to the rotational state of the blade and can be fed back to the outside, thereby implementing a feedback control mechanism.

[0035] Furthermore, the sensor 40 includes a pulse Hall sensor that senses transmission status information of the motor 20 or the non-final gear 31. Specifically, in this embodiment, the pulse Hall sensor can be disposed at any gear 31 other than the final gear 31 in the gear set 30 or at the motor 20 to identify the transmission status information of the transmission component. This information corresponds to the rotational state of the blades and can be fed back to the outside, thereby implementing a feedback control mechanism.

[0036] Specifically, the linear Hall sensor or the pulse Hall sensor is disposed in the housing 10 , and a magnet (not shown) is disposed on the corresponding motor 20 or one of the gears 31 .

[0037] Furthermore, the housing 10 includes an open lower housing 11 and an upper cover 12 that covers the lower housing 11. The motor 20, the gear set 30, and the sensor 40 are disposed within the lower housing. In this embodiment, the housing 10 is configured as a split structure, which facilitates the installation, maintenance, and replacement of the motor 20, the gear set 30, and the sensor 40.

[0038] Furthermore, the motor 20 is a brushed DC motor. In this embodiment, a brushed DC motor is used, and the control method is simpler and more stable.

[0039] Furthermore, the motor 20 includes a main body 21 and a worm 22 connected to the main body 21 , and the gear set 30 includes a worm wheel 32 correspondingly connected to the worm 22 .

[0040] Furthermore, the gear set 30 includes four stages of gears 31, each of which includes a larger transmission input portion 311 and a smaller transmission output portion 312. The transmission input portion 311 of each gear 31 is connected to the transmission output portion 312 of the previous gear 31. In this embodiment, a high transmission ratio can be achieved through four stages of transmission. The transmission between the first-stage worm gear 32 and the worm 22 can be further adjusted based on whether or not to self-lock, to accommodate different usage requirements. Specifically, the transmission input portion 311 and transmission output portion 312 of the first-stage gear 31, the second-stage gear 31, and the third-stage gear 31 are all gear structures. The transmission input portion 311 of the fourth-stage gear 31 is a gear structure, and the transmission output portion 312 is configured as a spline structure and is connected to the air outlet blades.

[0041] Please refer to Figure 4 The air-conditioning outlet actuator 100 is installed on the corresponding air-conditioning outlet assembly 150. The air-conditioning outlet assembly 150 includes an air-conditioning outlet frame 151, a transverse swing blade 152 and a longitudinal swing blade 153 arranged on the air-conditioning outlet frame 151, and the transverse swing blade 152 or the longitudinal swing blade 153 is connected and driven by the last stage gear 31 of the corresponding air-conditioning outlet actuator 100.

[0042] It can be understood that two air-conditioning outlet actuators 100 are correspondingly provided for each air outlet, which are respectively connected to control the horizontal swing blades 152 and the longitudinal swing blades 153. If the entire vehicle is provided with five air outlet assemblies 150, there are correspondingly ten air-conditioning outlet actuators 100.

[0043] Please refer to Figure 5 In the second aspect, the embodiment of the present invention further provides an automobile air-conditioning control system 200, comprising an electronic control unit 201, and a plurality of air-conditioning air outlet actuators 100 according to the first aspect, wherein the last-stage gear 31 of each air outlet actuator 100 is connected to an air outlet blade, and the electronic control unit 201 is capable of receiving control instructions, and outputting a PWM drive signal according to the control instructions to drive the corresponding actuator 100, thereby driving the corresponding motor 20, and receiving the transmission status information, wherein the control instructions include voice instructions or instructions input from the central control screen, etc.

[0044] The air conditioner vent actuator provided by this utility model achieves automatic control of the air conditioner blades through a motor and gears. A sensor is installed within the actuator to detect and provide feedback on the actuator's transmission status. The automotive air conditioning control system and control method provided by this utility model directly controls the air conditioner vent motor through an electronic control unit, simplifying the control path and improving control efficiency. Furthermore, the sensor detects the actuator's internal transmission status and provides feedback to the electronic control unit for adaptive control and adjustment. This further implements intelligent feedback control based on automatic control, improving the user experience.

[0045] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0046] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An air outlet actuator for an air conditioner, characterized in that: include: case; a motor, disposed in the housing and capable of receiving an external control signal for driving; a gear set, disposed in the housing, comprising at least two gears sequentially connected in transmission, wherein the upstream of the gear set is connected in transmission to the motor, and the downstream of the gear set is capable of connecting to the air outlet blades; as well as, The sensor is disposed in the housing and can correspondingly sense the transmission status information of the motor or one of the gears and output the transmission status information.

2. The air-conditioning outlet actuator according to claim 1, characterized in that: The sensor includes one of a linear Hall sensor, an angular displacement sensor, a resistance sensor, a voltage sensor, and a potentiometer, and the sensor senses transmission status information of the last gear.

3. The air outlet actuator of the air conditioner according to claim 1, characterized in that: The sensor includes a pulse Hall sensor, which senses transmission status information of the motor or the non-last gear.

4. The air-conditioning outlet actuator according to claim 3, characterized in that: The pulse Hall sensor is arranged in the housing, and a magnet is arranged on the corresponding motor or the non-last gear.

5. The air-conditioning outlet actuator according to claim 1, characterized in that: The housing includes an open lower shell and an upper cover capable of covering the lower shell. The motor, the gear set and the sensor are arranged in the lower shell.

6. The air-conditioning outlet actuator according to claim 1, characterized in that: The motor is a brushed DC motor.

7. The air-conditioning outlet actuator according to claim 1, characterized in that: The motor includes a main body and a worm connected to the main body, and the gear set includes a worm wheel correspondingly connected to the worm.

8. The air outlet actuator for air conditioning according to claim 1, characterized in that: The gear set includes at least two stages of gears, each of the gears includes a larger transmission input portion and a smaller transmission output portion, and the transmission input portion of each gear is connected to the transmission output portion of the previous gear.

9. The air-conditioning outlet actuator according to claim 1, characterized in that: The last stage gear of the gear set is connected to the air outlet blade of the air conditioner through a spline, and the rotation output of the gear is transmitted to the air conditioner blade.

10. An automobile air conditioning control system, characterized in that: It includes an electronic control unit and several air-conditioning outlet actuators according to any one of claims 1 to 8, wherein the last-stage gear of each outlet actuator is connected to an outlet blade, and the electronic control unit is capable of receiving control instructions and outputting PWM drive signals to drive the actuator according to the control instructions, and is also capable of receiving the transmission status information.

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