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CN-224201551-U - Automobile light adjusting structure and control circuit

CN224201551UCN 224201551 UCN224201551 UCN 224201551UCN-224201551-U

Abstract

The utility model discloses an automobile light adjusting structure and a control circuit, which comprises a light bracket, an aperture opening and closing mechanism and a driving mechanism, wherein the driving mechanism is used for driving a driving wheel of the aperture opening and closing mechanism to rotate, the driving mechanism comprises a gear, a driver and a gear rotation amount monitoring mechanism, the gear rotation amount monitoring mechanism is used for monitoring whether the gear rotates to a preset angle, and the utility model can complete the monitoring of the action completion state of the aperture opening and closing mechanism under the condition of low cost by using a common direct current speed reducing motor through the design of a convex part on the gear and a sensor.

Inventors

  • SHEN LIYUAN

Assignees

  • 南京泽恩汽车科技有限公司

Dates

Publication Date
20260505
Application Date
20250519

Claims (10)

  1. 1. The utility model provides an automobile light adjusting structure, includes light support (1), light ring opening and shutting mechanism and actuating mechanism, light ring opening and shutting mechanism includes a plurality of movable blades (2) and drive wheel (3), and when drive wheel (3) rotated, a plurality of movable blades (2) inwards draw close or outwards separate, actuating mechanism is used for driving light ring opening and shutting mechanism's drive wheel (3) to rotate, its characterized in that, at least one all install at least one LED banks (4) on movable blade (2).
  2. 2. A vehicle light adjustment structure as defined in claim 1, wherein said drive mechanism includes: a gear (6) which is meshed with the driving wheel (3); A driver, the output end of which is connected with the gear (6) and is used for driving the gear (6) to rotate, and And the gear (6) rotation amount monitoring mechanism is electrically connected with the driver, and the gear (6) rotation amount monitoring mechanism is used for monitoring whether the gear (6) rotates to a preset angle.
  3. 3. A vehicle light regulating structure as defined in claim 2, wherein said actuator is a motor.
  4. 4. A vehicle light adjusting structure as claimed in claim 2, characterized in that the gear (6) has a connection part with the driver, the connection part having a projection (7), the rotation amount monitoring mechanism of the gear (6) being located on the rotation stroke of the projection (7).
  5. 5. An automobile light adjusting structure as claimed in claim 4, characterized in that the gear (6) rotation amount monitoring mechanism comprises two sensors (5), the convex part (7) is positioned between the two sensors (5), and the two sensors (5) are fixedly arranged on a fixed bracket (8) or a light bracket (1) of the driver.
  6. 6. A vehicle light-regulating structure as claimed in claim 5, characterized in that the sensor (5) is a contact sensor (5).
  7. 7. A control circuit for an automotive light regulating structure according to any one of claims 1-6, comprising at least an MCU and LED driving circuits, motor driving modules and sensor (5) signal input circuits connected to the MCU.
  8. 8. The control circuit according to claim 7, wherein the output end of the sensor (5) signal input circuit is connected with the MCU, the input ends of the LED driving circuit and the motor driving module are connected with the MCU, and the output end of the motor driving module is connected with the motor.
  9. 9. A control circuit according to claim 7, characterized in that the LED driving circuit comprises a plurality of LED driving sub-circuits in one-to-one correspondence with the LED lamp groups (4) on the plurality of movable blades (2).
  10. 10. The control circuit of claim 7, further comprising a motor current detection circuit, an input of the motor current detection circuit being coupled to an output of the motor drive module, an output of the motor current detection circuit being coupled to the MCU.

Description

Automobile light adjusting structure and control circuit Technical Field The utility model relates to the field of adjusting structures, in particular to an automobile light adjusting structure and a control circuit. Background The front of the automobile headlight is provided with a cover plate with shielding protection function, and the opening and closing of a plurality of blades forming the cover plate are realized through an aperture opening and closing mechanism, but the following defects exist: Firstly, need use servo motor control apron open and shut the angle, need debugging repeatedly, the cost is higher, secondly, the blade surface is not pleasing to the eye enough, does not have or lacks decorative design, can't be difficult to satisfy consumer's growing aesthetic demand, and then has influenced consumer's selective purchase will to a certain extent. Disclosure of utility model The utility model provides an automobile light adjusting structure and a control circuit, which can solve the problems that the surface of the existing blade lacks decorative design and is difficult to meet the aesthetic demands of consumers. The automobile light adjusting structure comprises a light bracket, a light aperture opening and closing mechanism and a driving mechanism, wherein the light aperture opening and closing mechanism comprises a plurality of movable blades and a driving wheel, when the driving wheel rotates, the movable blades are inwards closed or outwards separated, and the driving mechanism is used for driving the driving wheel of the light aperture opening and closing mechanism to rotate; The driving mechanism includes: The gear is connected with the driving wheel in a meshed manner; a driver with its output end connected with the gear for driving the gear to rotate, and The gear rotation amount monitoring mechanism is electrically connected with the driver and is used for monitoring whether the gear rotates to a preset angle. The driver is a motor. The gear is provided with a connecting part connected with the driver, a convex part is arranged on the connecting part, and the gear rotation amount monitoring mechanism is positioned on the rotation stroke of the convex part. The gear rotation amount monitoring mechanism comprises two sensors, wherein a convex part is positioned between the two sensors, and the two sensors are fixedly arranged on a fixed bracket or a lamplight bracket of the driver. The sensor is a contact sensor. A control circuit is applied to an automobile light adjusting structure and at least comprises an MCU, an LED driving circuit connected with the MCU, a motor driving module and a sensor signal input circuit. The output end of the sensor signal input circuit is connected with the MCU, the input ends of the LED drive circuit and the motor drive module are connected with the MCU, and the output end of the motor drive module is connected with the motor. The LED driving circuit comprises a plurality of LED driving sub-circuits which are in one-to-one correspondence with the LED lamp groups on the movable blades. The motor driving module is characterized by further comprising a motor current detection circuit, wherein the input end of the motor current detection circuit is connected with the output end of the motor driving module, and the output end of the motor current detection circuit is connected with the MCU. Compared with the prior art, the utility model has the beneficial effects that the utility model can complete the monitoring of the action completion state of the ring opening and closing mechanism under the condition of low cost by using the common direct current gear motor through the design of the convex part on the gear and the sensor, and has the advantage of low cost compared with the prior art of using a servo motor and the like; In addition, the LED lamp groups are arranged on the movable blades, when the movable blades are turned on, the movable blades are rotationally matched with the LED lamp groups on the movable blades to form a startup animation, so that the aesthetic of a customer is more met, and the diversified demands of the customer are met. Drawings FIG. 1 is a schematic structural view of an automotive light adjusting structure; FIG. 2 is a schematic view of the internal structure of the light adjusting structure of the automobile; FIG. 3 is a schematic diagram of a gear and gear rotation monitoring mechanism; FIG. 4 is a circuit diagram of an LED driver circuit; FIG. 5 is a circuit diagram of a motor drive module; FIG. 6 is a circuit diagram of a sensor signal, constant electrical input circuit; fig. 7 is a circuit diagram of the MCU. Reference numerals illustrate: The LED lamp comprises a 1-lamplight bracket, a 2-movable blade, a 3-driving wheel, a 4-LED lamp set, a 5-sensor, a 6-gear, a 7-convex part and an 8-fixed bracket. Detailed Description One embodiment of the present utility model will be described in detail below with reference to the attac