CN214412848U - Camera module and mobile terminal - Google Patents

Abstract

The camera module comprises a camera lens, a support and a PCB (printed circuit board), wherein the camera lens is arranged on the support, the support is arranged on the PCB, the camera module further comprises a motor, the motor comprises a motor pin, an elastic sheet corresponding to the motor pin is arranged on the PCB, the lower end part of the motor pin is abutted against the elastic sheet, and the motor pin passes through the elastic sheet and the PCB electrically connected with the PCB. The utility model discloses a camera module has cancelled welding process between motor and PCB circuit board are connected to avoided the solder paste outward appearance that probably brings in welding process bad, empty solder electricity is bad, the size scheduling problem that exceeds standard. The utility model discloses still relate to a mobile terminal.

Description

Camera module and mobile terminal

Technical Field

The utility model relates to a camera technical field, in particular to camera module and mobile terminal.

Background

Along with the development of communication technology, electronic equipment such as smart mobile phones is more and more advanced, and the camera module in the smart mobile phone can realize auto focus according to the shooting object for example, makes the image reach the clearest state. The automatic focusing mode is realized by driving the lens to move by a motor, and the terminal supplies electric energy to the motor through an FPC (flexible circuit board) and a PCB (printed circuit board) in the camera module, so that the motor and the PCB are required to be electrically connected.

As shown in fig. 1 to 3, the camera module includes a lens 11, a motor 12, a bracket 13 and a PCB 14, the bracket 13 is disposed on the PCB 14, the motor 12 is disposed on the bracket 13, the lens 11 is disposed in the motor 12, a motor pin 121 is further disposed at the bottom of the motor 12, and the motor pin 121 is electrically connected to the PCB 14 through solder paste 141, so that the motor 12 is electrically connected to the PCB 14. The motor pins 121 and the PCB 14 are soldered by the solder paste 141, so that a soldering station is required to be added on the production line of the camera module, the production process becomes complicated, the production cost is increased, and the problems of poor appearance of the solder paste, poor electrical property caused by empty soldering, excessive size and the like may occur in the soldering process.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a camera module has reduced the welding process in the production process, has also avoided the solder paste outward appearance that probably brings by the welding bad, the empty solder electrical property is bad, the size scheduling problem that exceeds standard simultaneously.

The utility model provides a camera module, including camera lens, support and PCB circuit board, the camera lens sets up on the support, the support sets up on the PCB circuit board, camera module still includes the motor, the motor includes the motor pin, be equipped with on the PCB circuit board with the corresponding shell fragment of motor pin, the lower tip of motor pin supports and leans on the shell fragment, the motor pin passes through the shell fragment with PCB circuit board electric connection.

In an embodiment, the motor is disposed on the bracket and connected to the lens, and the motor is configured to drive the lens to move in a telescopic manner.

In one embodiment, the motor is provided with a first through hole, and the lens is arranged in the through hole and protrudes out of the motor.

In an embodiment, the outer wall of the lens is provided with a first thread, the inner wall of the first through hole is provided with a second thread, and the motor and the lens are connected in a matching manner through the first thread and the second thread.

In one embodiment, the elastic sheet is a metal elastic sheet.

In one embodiment, the elastic sheet is in a shape of 'Γ', and comprises a vertical part and a horizontal part connected with the vertical part, the bottom end of the vertical part is connected with the PCB circuit board, one end of the horizontal part is connected with the top end of the vertical part, the other end of the horizontal part is a free end, and the lower end of the motor pin abuts against the horizontal part.

In an embodiment, the number of the motor pins and the number of the spring pieces are at least two, and the lower end portions of the motor pins are respectively abutted against the spring pieces.

In an embodiment, the camera module further includes a filter, and the filter is located below the lens and disposed on the bracket.

In an embodiment, the camera module further includes a photosensitive chip, and the photosensitive chip is disposed on the PCB and corresponds to the optical filter.

The utility model also provides a mobile terminal, including foretell camera module.

The utility model discloses a camera module is equipped with the shell fragment on the corresponding PCB circuit board of motor pin, and motor pin and shell fragment electric connection realize that the electrical property between motor and the PCB circuit board switches on, have reduced the welding process in the production process like this, have reduced manufacturing cost, have also avoided the tin cream outward appearance that probably brings by the welding bad, empty solder electrical property is bad, the size scheduling problem that exceeds standard simultaneously.

Drawings

Fig. 1 is an exploded view of a conventional camera module.

Fig. 2 is a schematic side view of a conventional camera module.

Fig. 3 is a schematic diagram of a partial enlarged structure at a in a conventional camera module.

Fig. 4 is an explosion structure diagram of the camera module according to the present invention.

Fig. 5 is a schematic side view of the camera module according to the present invention.

Fig. 6 is a schematic diagram of a local enlarged structure at B in the camera module according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

As shown in fig. 4 to 6, the camera module of the present invention includes a lens 21, a bracket 23 and a PCB 24, the lens 21 is disposed on the bracket 23, and the bracket 23 is disposed on the PCB 24.

Further, the camera module further includes a motor 22, the motor 22 includes a motor pin 220, the PCB 24 is provided with a spring 240 corresponding to the motor pin 220, a lower end 221 of the motor pin 220 abuts against the spring 240, and the motor pin 220 is electrically connected to the PCB 24 through the spring, as shown in fig. 6. The elastic sheet 240 is an electrically conductive elastic sheet, so that the electrical connection between the motor pin 220 and the elastic sheet 240 is achieved, and since the elastic sheet 240 has elasticity, when the motor 22 is assembled to the camera module, the motor pin 220 is in contact with the elastic sheet 240, and even the elastic sheet 240 is pressed to achieve the electrical connection between the motor pin 220 and the elastic sheet 240. The motor 22 is electrically connected to the PCB 24 through the motor pin 220, and the battery of the terminal provides power to the motor 22 through the PCB 24. Specifically, the elastic sheet 240 is a metal elastic sheet, and the material of the metal elastic sheet includes, but is not limited to, stainless steel 301, stainless steel 304, and the like.

Further, as shown in fig. 6, the elastic piece 240 has a shape of "Γ", and includes a vertical portion 241 and a horizontal portion 242 connected to the vertical portion 241, a bottom end of the vertical portion 241 is connected to the PCB 24, one end of the horizontal portion 242 is connected to a top end of the vertical portion 241, the other end of the horizontal portion 242 is a free end, and the lower end 221 of the motor pin 220 abuts against the horizontal portion 242.

Specifically, the number of the motor pins 220 and the number of the spring pieces 240 are at least two, and the lower end portions 221 of the motor pins 220 respectively abut against the spring pieces 240. Specifically, the number of the motor pins 220 and the number of the spring pieces 240 may be multiple, and in the present embodiment, the number of the motor pins 220 and the number of the spring pieces 240 are two, but not limited thereto.

The motor 22 is disposed on the bracket 23 and connected to the lens 21, and the motor 22 is used for driving the lens 21 to move in a telescopic manner. The support 23 is used for supporting the motor 22, and the motor 22 is connected to the lens 21, so that the motor 22 can drive the lens 21 to move, thereby realizing the focusing function of the camera module.

Specifically, as shown in fig. 4, the motor 22 is provided with a first through hole 222, and the lens 21 is disposed in the first through hole 222 and protrudes out of the motor 22. Further, a first thread 211 is arranged on the outer wall of the lens 21, a second thread 223 is arranged on the inner wall of the first through hole 222, and the motor 22 and the lens 21 are connected in a matched mode through the first thread 211 and the second thread 223. The first and second screw threads 211 and 223 detachably connect the lens 21 and the motor 22.

The camera module further includes a filter 231, and the filter 231 is located below the lens 21 and disposed on the bracket 23. Further, the bracket 23 is provided with a second through hole 232, and the optical filter 231 is disposed on the second through hole 232. Specifically, the filter 231 is blue glass. The filter 231 is used to filter out the infrared light in the light and trim the light projected by the lens 21 to highlight the main color of the object in the image.

The camera module further includes a photosensitive chip 245, and the photosensitive chip 245 is disposed on the PCB 24 and corresponds to the optical filter 231. The photosensitive chip 245 is provided with a photosensitive sensor (not shown), the photosensitive sensor irradiates the light filtered by the optical filter 231 on the photosensitive sensor through the second through hole 232, the photosensitive sensor converts an optical signal into an electrical signal by using the photosensitive element, and then other elements on the photosensitive chip 245 are used for performing signal amplification and corresponding signal processing on the electrical signal.

The utility model discloses still relate to a mobile terminal, mobile terminal includes foretell camera module.

The camera module utilizes the principle of electromagnetic action to realize automatic focusing, a magnet or a magnet (not shown) is arranged in the motor 22, a coil (not shown) is arranged below the magnet or the magnet, when the current in the coil changes, the magnet or the magnet can be subjected to the force of a magnetic field to enable the motor 22 to move, and the movement of the motor 22 drives the movement of the lens 21, so that the automatic focusing of the camera module is realized.

The utility model provides a camera module compares in current camera module, has cancelled the tin cream welding process in the camera module production process, adopts the shell fragment that has electric conductivity to replace the tin cream welding, realizes the electric connection between motor pin and the PCB circuit board. This camera module has reduced the welding station on the camera module production line, has reduced work load, has practiced thrift manufacturing cost, but also greatly reduced by the solder paste welding probably lead to the risk that the solder paste outward appearance is bad, the empty solder electrical property is bad, the size exceeds standard scheduling problem brings, improved the yields and the stability of camera module.

The utility model discloses not be limited to the specific details among the above-mentioned embodiment the utility model discloses a within the technical idea scope, can be right the technical scheme of the utility model carry out multiple simple variant, these simple variants all belong to the utility model discloses a protection scope. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

Claims (10)

1. The utility model provides a camera module, includes camera lens (21), support (23) and PCB circuit board (24), camera lens (21) set up on support (23), support (23) set up on PCB circuit board (24), its characterized in that, camera module still includes motor (22), motor (22) include motor pin (220), be equipped with on PCB circuit board (24) with corresponding shell fragment (240) of motor pin (220), lower tip (221) of motor pin (220) support and lean on shell fragment (240), motor pin (220) pass through shell fragment (240) with PCB circuit board (24) electric connection.

2. The camera module according to claim 1, wherein the motor (22) is disposed on the bracket (23) and connected to the lens (21), and the motor (22) is used for driving the lens (21) to move telescopically.

3. The camera module according to claim 2, wherein the motor (22) is provided with a first through hole (222), and the lens (21) is disposed in the first through hole (222) and protrudes out of the motor (22).

4. The camera module according to claim 3, wherein a first thread (211) is disposed on an outer wall of the lens (21), a second thread (223) is disposed on an inner wall of the first through hole (222), and the motor (22) and the lens (21) are cooperatively connected through the first thread (211) and the second thread (223).

5. The camera module according to claim 1, wherein the resilient piece (240) is a metal resilient piece.

6. The camera module according to claim 1, wherein the resilient tab (240) is "Γ" shaped, and comprises a vertical portion (241) and a horizontal portion (242) connected to the vertical portion (241), a bottom end of the vertical portion (241) is connected to the PCB (24), one end of the horizontal portion (242) is connected to a top end of the vertical portion (241), another end of the horizontal portion (242) is a free end, and a lower end (221) of the motor pin (220) abuts against the horizontal portion (242).

7. The camera module according to claim 1, wherein the number of the motor pins (220) and the number of the spring pieces (240) are at least two, and the lower ends (221) of the motor pins (220) respectively abut against the spring pieces (240).

8. The camera module according to claim 1, further comprising a filter (231), wherein the filter (231) is located below the lens (21) and is disposed on the support (23).

9. The camera module according to claim 8, further comprising a photosensitive chip (245), wherein the photosensitive chip (245) is disposed on the PCB (24) and corresponds to the optical filter (231).

10. A mobile terminal, characterized in that it comprises a camera module according to any one of claims 1 to 9.

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