阅读说明：本技术 一种用于调光执行器的emc性能系统结构 (EMC performance system structure for dimming actuator ) 是由 周玉伟 周金威 石超 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种用于调光执行器的EMC性能系统结构,其特征在于,包括：外壳、后盖、电机、PCB板、接地簧片；所述外壳的内壁设有一层防调光执行器产生电磁的金属涂层；所述后盖的内壁设有一层防调光执行器产生电磁的金属涂层；所述电机设于所述调光执行器内部,所述电机的外壳至少一面与所述外壳内壁的所述金属涂层相接触,所述电机的外壳的一面与所述后盖内壁的所述金属涂层相接触；所述PCB板设于所述调光执行器内部；所述接地簧片设于所述调光执行器内部；所述接地簧片的一端接触所述电机的外壳,所述接地簧片的另一端与所述PCB板焊接。本发明有效的屏蔽了外部干扰,从而起到了屏蔽罩的效果,极大地提高了调光执行器的工作稳定性。(The invention discloses an EMC performance system structure for a dimming actuator, which is characterized by comprising the following components: the device comprises a shell, a rear cover, a motor, a PCB and a grounding reed; the inner wall of the shell is provided with a metal coating for preventing the dimming actuator from generating electromagnetism; the inner wall of the rear cover is provided with a metal coating for preventing the dimming actuator from generating electromagnetism; the motor is arranged in the dimming actuator, at least one surface of a shell of the motor is in contact with the metal coating on the inner wall of the shell, and one surface of the shell of the motor is in contact with the metal coating on the inner wall of the rear cover; the PCB is arranged inside the dimming actuator; the grounding reed is arranged inside the dimming actuator; one end of the grounding reed is in contact with the shell of the motor, and the other end of the grounding reed is welded with the PCB. The invention effectively shields the external interference, thereby playing the effect of the shielding case and greatly improving the working stability of the dimming actuator.)

1. An EMC performance system architecture for a dimming actuator, comprising:

the device comprises a shell, a rear cover, a motor, a PCB and a grounding reed;

the inner wall of the shell is provided with a metal coating for preventing the dimming actuator from generating electromagnetism;

the inner wall of the rear cover is provided with a metal coating for preventing the dimming actuator from generating electromagnetism;

the motor is arranged in the dimming actuator, at least one surface of a shell of the motor is in contact with the metal coating on the inner wall of the shell, and at least one surface of the shell of the motor is in contact with the metal coating on the inner wall of the rear cover;

the PCB is arranged inside the dimming actuator;

the grounding reed is arranged inside the dimming actuator; one end of the grounding reed is in contact with the shell of the motor, and the other end of the grounding reed is welded with the PCB.

2. The EMC performance system architecture for a dimming actuator of claim 1, wherein the PCB board is a double-sided board with mounting slots.

3. The EMC performance system architecture for a dimming actuator of claim 1 wherein the PCB board is placed on the underside of the inside of the housing, the PCB board contacting the metal coating on the underside of the inside of the housing to achieve grounding, preventing electromagnetic generation.

4. The EMC performance system configuration for a dimming actuator of claim 1, wherein the motor is located on the left side of the interior of the housing.

5. The EMC performance system architecture for a dimming actuator of claim 1, further comprising: the secondary gear is located on the right side of the inside of the shell, and one end of the positioning shaft is inserted into the secondary gear.

6. The EMC performance system architecture for a dimming actuator of claim 5, further comprising: the limiting hole is located in the rear cover, and the other end of the positioning shaft is inserted into the limiting hole.

7. EMC performance system configuration for a dimming actuator according to claim 1, c h a r a c t e r i z e d in that the housing is provided with a recess at its edge.

8. The EMC performance system architecture for a dimming actuator of claim 7, wherein a male snap is provided in the recess and a female snap is provided in the rear cover.

9. The EMC performance system structure for a dimming actuator of claim 8, wherein the rear cover is installed at the recess, and the male snap is installed in cooperation with the female snap.

Technical Field

The invention relates to the technical field related to automotive electronics, in particular to an Electro Magnetic Compatibility (EMC) performance system structure for a dimming actuator.

Background

At present, when a vehicle runs in a dark environment, a driver often needs to turn on a headlamp in order to clearly see the road. When the headlamp of the automobile is turned on, if the horizontal position of the light is not good, the driver of the opposite automobile is easy to dazzle. At present, the inside or the externally mounted of headlight usually has the transmission structure of adjusting luminance motor executor, adjusts the horizontal position that light was adjusted to headlight's speculum through the transmission structure of adjusting luminance motor executor, avoids causing dazzling of the driver of coming the car face to face, has improved the security of vehicle greatly. The working modes of the transmission structure of the dimming motor actuator mainly comprise manual adjustment and automatic adjustment. The manual adjustment mode means that a driver rotates a slide switch according to the requirement to adjust the horizontal position of the light, and the slide switch is usually arranged on an instrument panel. The automatic adjustment working mode is as follows: the worm on the motor is connected with a secondary gear, the secondary gear comprises a gear shaft, the middle of the gear shaft is provided with a shaft shoulder, one end of the gear shaft is connected with a small gear, and the other end of the gear shaft is connected with a large gear. The secondary gear is arranged on the inner side of a shell, and a main gear is also arranged on the inner side of the shell and connected with a screw rod. When the worm drives the secondary gear to rotate, the pinion drives the main gear to rotate, the rotation of the main gear enables the screw rod to perform telescopic motion, and therefore the screw rod pushes the reflector to move so as to adjust the horizontal position of light. However, the current dimming actuator does not work stably enough, and the EMC performance of the dimming mechanism needs to be improved.

Disclosure of Invention

In view of the above, the present invention provides an EMC performance system structure for a dimming actuator.

The technical scheme adopted by the invention is as follows: an EMC performance system architecture for a dimming actuator, comprising:

a housing, a rear cover, a motor, a Printed Circuit Board (PCB), and a ground spring;

the inner wall of the shell is provided with a metal coating for preventing the dimming actuator from generating electromagnetism;

the inner wall of the rear cover is provided with a metal coating for preventing the dimming actuator from generating electromagnetism;

the motor is arranged in the dimming actuator, at least one surface of a shell of the motor is in contact with the metal coating on the inner wall of the shell, and at least one surface of the shell of the motor is in contact with the metal coating on the inner wall of the rear cover;

the PCB is arranged inside the dimming actuator;

the grounding reed is arranged inside the dimming actuator; one end of the grounding reed is in contact with the shell of the motor, and the other end of the grounding reed is welded with the PCB.

The above EMC performance system structure for the dimming actuator, wherein the PCB is a double-sided board with a mounting groove.

The EMC performance system structure for the dimming actuator is characterized in that the PCB is placed on the lower side of the inside of the housing, and the PCB is in contact with the metal coating on the lower side of the inside of the housing to realize grounding, so as to prevent electromagnetic generation.

The EMC performance system structure for the dimming actuator is characterized in that the motor is located on the left side of the inside of the housing.

The above EMC performance system structure for the dimming actuator further comprises: the secondary gear is located on the right side of the inside of the shell, and one end of the positioning shaft is inserted into the secondary gear.

The above EMC performance system structure for the dimming actuator further comprises: the limiting hole is located in the rear cover, and the other end of the positioning shaft is inserted into the limiting hole.

The EMC performance system structure for the dimming actuator is characterized in that the edge of the housing is provided with a groove.

The EMC performance system structure for the dimming actuator is characterized in that a sub-buckle is arranged in the groove, and a female buckle is arranged on the rear cover.

The above EMC performance system structure for the dimming actuator, wherein the rear cover is installed at the groove, and the male button and the female button are installed in a matching manner.

Compared with the prior art, the technical scheme has the positive effects that:

the utility model provides an EMC performance system architecture for adjusting luminance executor, this system architecture, low cost, processing production mode is simple, the effectual external interference that has shielded to play the effect of shield cover, greatly improved the job stabilization nature of adjusting luminance executor.

Drawings

Fig. 1 is a schematic diagram of an EMC performance system structure for a dimming actuator according to the present invention.

Fig. 2 is a schematic view of the metal coating on the inner wall of the housing of the dimming actuator according to the present invention.

Fig. 3 is a schematic view of the metal coating on the inner wall of the back cover of the dimming actuator in the present invention.

1. A housing; 2. a PCB board; 3. a grounding reed; 4. a motor; 5. a rear cover; 6. positioning the shaft; 7. a secondary gear; 8. a limiting hole; 9. a groove; 10. a sub-buckle; 11. and (4) a female buckle.

Detailed Description

The invention is further described with reference to the following drawings and detailed description, but is not intended to be limited thereto.

The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

1-3, an EMC performance system architecture for a dimming actuator includes: the device comprises a shell 1, a rear cover 5, a motor 4, a PCB 2 and a grounding reed 3; the inner wall of the shell 1 is provided with a metal coating for preventing the dimming actuator from generating electromagnetism; the inner wall of the rear cover 5 is provided with a layer of metal coating for preventing the dimming actuator from generating electromagnetism; the motor 4 is arranged in the dimming actuator, at least one surface of the shell of the motor 4 is contacted with the metal coating on the inner wall of the shell 1, and at least one surface of the shell of the motor 4 is contacted with the metal coating on the inner wall of the rear cover 5; the PCB 2 is arranged in the dimming actuator; the grounding reed 3 is arranged in the dimming actuator; one end of the grounding reed 3 is contacted with the shell of the motor 4, and the other end of the grounding reed 3 is welded with the PCB 2.

Further, the PCB is arranged in the shell 1, the grounding reed 3 is arranged in the shell 1, the metal coating on the inner wall of the shell 1 can be contacted with the left side, the upper side and the rear side of the shell of the motor 4, the metal coating on the inner wall of the rear cover 5 can be contacted with the left side, the upper side and the front side of the shell of the motor 4, the shell of the motor 4 is contacted with the grounding reed 3, and finally, the function of integrally grounding the dimming actuator is realized through the PCB 2. The structure greatly improves the anti-interference capability of the dimming actuator, effectively shields the external signal interference and improves the working stability of the dimming actuator.

Further, an EMC performance system architecture for adjusting luminance executor, wherein, PCB board 2 is the double sided board that has the mounting groove, uses PCB board 2 can avoid the mistake of artifical wiring to can realize that automatic cartridge of electronic components or subsides dress, automatic soldering tin, automated inspection, guarantee electronic equipment's quality, improve productivity, reduce the cost, and be convenient for maintain.

Specifically, the PCB 2 may be FR-4 (fiberglass cloth-based), CEM-1/3 (fiberglass and paper composite substrate), FR-1 (paper-based copper clad laminate), metal-based copper clad laminate (mainly aluminum-based, but rarely iron-based), or the like.

Further, an EMC performance system structure for a dimming actuator, in which a PCB board is placed at a lower side inside a housing 1.

Further, an EMC performance system structure for a dimming actuator, in which a motor 4 is located at the left side of the inside of a housing 1. The motor 4 generates a driving torque and is a power source of the dimming actuator.

Further, an EMC performance system structure for a dimming actuator further includes: a secondary gear 7 and a positioning shaft 6, wherein the secondary gear 7 is positioned at the right side of the inner part of the shell 1, and one end of the positioning shaft 6 is inserted into the secondary gear 7.

Further, an EMC performance system structure for a dimming actuator further includes: spacing hole 8, spacing hole 8 are located back lid 5, when back lid and casing installation, only need insert spacing hole 8 to the other end of location axle 6, just can fix the position of location axle 6.

Further, an EMC performance system structure for a dimming actuator, wherein the edge of the housing 1 is provided with a groove 9.

Further, an EMC performance system structure for a dimming actuator is provided, wherein a sub-button 10 is arranged in the groove 9, and a female button 11 is arranged on the rear cover 5.

Further, an EMC performance system architecture for adjusting luminance executor, wherein, back lid 5 is installed in recess 9 department, and son is detained 10 and is installed with the cooperation of box 11, and is concrete, adopts buckle structure cooperation installation, and the mounting means is simple, has saved the inside space of the executor of adjusting luminance to shell 1 and back lid 5 non-deformable.

Furthermore, the EMC performance can be improved, so that the dimming actuator can operate in an electromagnetic environment according to requirements and does not generate intolerable electromagnetic interference to any device in the environment.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.