WO2019084960A1

WO2019084960A1 - Assembling method for camera capacitor, camera and intelligent terminal having the camera

Info

Publication number: WO2019084960A1
Application number: PCT/CN2017/109559
Authority: WO
Inventors: 朱斌杰
Original assignee: 深圳传音通讯有限公司
Priority date: 2017-11-06
Filing date: 2017-11-06
Publication date: 2019-05-09

Abstract

The present invention provides an assembling method for a camera capacitor, a camera and an intelligent terminal having the camera. The assembling method comprises: fixing a capacitor pin on a first jig; fixedly connecting a capacitor with the capacitor pin, and fixing the capacitor on the first jig; fixedly connecting a second jig to the first jig, and forming a space conforming to a preset injection molding shape between the first jig and the second jig, the capacitor and the capacitor pin being disposed in the space; performing injection molding, the capacitor and the capacitor pin being wrapped in a finished product obtained by injection molding; and removing the first jig and the second jig to obtain an injection-molded finished product conforming to the preset injection molding shape and wrapping the capacitor and the capacitor pin. According to the present invention, the capacitor and the capacitor pin of a camera are injection-molded to a camera base, thereby ensuring the normal operation of the camera capacitor and saving the space requirement of the camera.

Description

Camera capacitor assembly method, camera and intelligent terminal having the same

Technical field

The present invention relates to the technical field of assembly of a camera of an image pickup apparatus and a structure thereof, and more particularly to a method of assembling a camera capacitor, the camera, and an intelligent terminal having the same.

Background technique

With the development and advancement of technology, the development of intelligent terminals is also changing with each passing day. Intelligent terminals Currently, intelligent terminals have gradually penetrated into all aspects of people's lives because of their convenience and functionality, and have become an indispensable auxiliary equipment in people's lives. At the same time, with the diversification of the functionality of smart terminals, the convenience of the functions of smart terminals has become one of the user's choice factors. In particular, due to the development of smart terminal photography and video technology, smart terminals have gradually replaced other photography and video equipment, and have become a common photography or video recording device in people's lives.

At present, with the continuous development of smart terminals, the new requirements for the space occupancy of smart terminal cameras are put forward. In the prior art, the capacitance of the smart terminal camera is usually placed on the same side of the sensor on the PCB, or on the different sides of the sensor on the PCB. The assembly of the above capacitors increases the space requirement of the camera either in width or in height. To a certain extent, it has affected the development of thin and light smart terminals.

Summary of the invention

In order to solve the above problems, the present invention provides a method for assembling a camera capacitor, the camera, and an intelligent terminal having the same. The invention utilizes the form of injection molding integration of the capacitor and the capacitor pin with the base of the camera, and injects the capacitance of the camera and the pin thereof into the base of the camera, thereby ensuring the normal operation of the camera capacitor and saving the space requirement of the camera.

Specifically, an aspect of the present invention provides a method for assembling a camera capacitor, comprising the steps of: fixing a capacitor pin on a first jig; fixing a capacitor to the capacitor pin, and fixing the capacitor Fixing a second jig to the first jig, and forming a space conforming to a preset injection shape between the first jig and the second jig The capacitor and the capacitor pin are disposed in the space; performing an injection molding process, the capacitor and the capacitor pin are wrapped in a finished product obtained after injection molding; and removing the first fixture and the second fixture, An injection molded product is obtained which conforms to a preset injection molding shape and is wrapped with the capacitor and the capacitor pin.

Preferably, the first jig is a square structure, the capacitor pin is fixed to the first jig in an L shape, and a first side of the capacitor pin is fixed to the first jig a first side of the capacitor pin is fixed on a second surface of the first jig connected to the first surface, the capacitor and the capacitor pin The first side is fixedly connected and fixed to the first surface of the first jig. After injection molding, the capacitor is fixedly connected to the first side of the capacitor pin, and the capacitor pin The second side is connected to an external circuit. Preferably, the second jig has a dividing portion, the dividing portion is a cylindrical structure, located at a center position of the second jig facing the face of the first jig, the second After the fixture is fixedly mounted on the first fixture, the dividing portion is connected to the first fixture, and an annular hollow structure is formed between the first fixture and the second fixture, and the injection molding is performed. Upon completion, an annular injection molded article encasing at least 2 of the capacitors and the capacitor pins is obtained. .

Preferably, the lower end of the first jig has a protrusion extending from the first jig horizontally away from the first jig, and the second side of the capacitor pin faces The protrusion extends until it contacts the protrusion, and after the injection molding, the end of the second side of the capacitor pin is exposed to the outside.

Preferably, the capacitor is fixedly connected to the capacitor pin by soldering.

Preferably, the injection molded product is a base of the camera.

Another aspect of the present invention provides a camera module including a base, a capacitor, a capacitor pin, a PCB board, a lens, and a sensor.

The capacitor is fixedly connected to the capacitor pin, and forms an injection molded product with the base. The base is fixedly mounted on the PCB, and the end of the capacitor pin away from the capacitor is connected to the PCB board. The lens is fixed on one end of the base away from the PCB board, is clamped in the base, and the sensor is fixed on one side of the PCB facing the lens, and is located on the PCB board and the base And a space formed by the lens, electrically connected to the PCB board.

Preferably, the capacitor pin is an L-shaped structure, a first side of the capacitor pin is electrically connected to the capacitor, and a second side of the capacitor pin is away from an end of the capacitor The PCB board is electrically connected, and the capacitor pin is at right angles to the base and is packaged on the base.

Preferably, the PCB board and the sensor are electrically connected by a gold wire.

Another aspect of the present invention is to provide a smart terminal including a camera module as described above.

Compared with the prior art, the technical advantages of the present invention are:

1) In the invention, by means of the jig, the injection molding method can realize the integration of the capacitor with the injection molding of a other component, such as the camera base, and at the same time, the capacitance of the capacitor and the external circuit can be realized by setting a capacitor pin. The connection reduces the complicated process operation of the prior art in which the capacitor is integrated with the injection molding of the camera base;

2) The camera provided by the invention greatly reduces the occupation of the camera space by the camera capacitor in the prior art, and reduces Low camera space requirements;

3) The present invention can provide a smart terminal that is thinner and lighter by reducing the space occupied by the camera.

DRAWINGS

1 is a flow chart showing a method of assembling a camera capacitor in accordance with a preferred embodiment of the present invention.

2 is a structural view of a camera module in accordance with a preferred embodiment of the present invention.

Reference mark:

1-first fixture,

11-first side,

12-second side,

13-protrusion,

2-capacitor pin,

21-first side,

22-the second side,

3-capacitor,

4-second fixture,

41-section,

5-injection finished product,

101-base,

102-PCB board,

103-lens,

104-sensor,

105-gold wire

Detailed ways

The advantages of the present invention are explained in detail below with reference to the accompanying drawings and specific embodiments.

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with aspects of the present disclosure as detailed in the appended claims.

The terms used in the present disclosure are for the purpose of describing particular embodiments only, and are not intended to limit the disclosure. In The singular forms "a", "the" and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information may also be referred to as second information without departing from the scope of the present disclosure. Similarly, the second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when" or "when" or "in response to determination"

In the description of the present invention, it is to be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the indications of "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, rather than It is to be understood that the device or elements referred to have a particular orientation, are constructed and operated in a particular orientation and are therefore not to be construed as limiting.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "mounted", "connected", and "connected" are to be understood broadly, and may be, for example, mechanical or electrical, or both. The internal communication of the components may be directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms may be understood according to specific circumstances.

Referring to FIG. 1, a schematic flowchart of a method for assembling a camera capacitor according to a preferred embodiment of the present invention is shown. As can be seen from the figure, in the embodiment, the method for assembling the camera capacitor provided includes the following steps:

- fixing the capacitor pin to a first jig 1;

- fixing the capacitor 3 to the capacitor pin 2 and fixing the capacitor 3 to the first jig 1;

- a second jig 4 is fixedly connected to the first jig 1 , and a space conforming to a preset injection shape is formed between the first jig 1 and the second jig 4 3 and a capacitor 2 pin is disposed in the space;

- performing an injection molding process, the capacitor 3 and the capacitor pin 2 being wrapped in a finished product obtained after injection molding;

- removing the first jig 1 and the second jig 4 to obtain an injection molded product 5 that conforms to a preset injection molding shape and is wrapped with the capacitor 3 and the capacitor pin 2.

Specifically, in this embodiment, a material that does not adhere to the base material is used as the fixture material; first, the capacitor pin for realizing the electrical connection between the capacitor 3 and the camera PCB board is fixed to the first treatment The capacitor 3 is fixedly connected to one end of the capacitor pin 2, so that the capacitor 3 can be electrically connected to an external circuit through the capacitor pin 2, and the capacitor 3 is also Fixed on the first jig 1; subsequently, a The second jig 4 is fixedly connected to the first jig 1 . In this embodiment, a space between the first jig 1 and the second jig 4 is formed, and the outline of the sealed space is formed. It conforms to a preset injection molding shape; therefore, when the above-mentioned jig and capacitor and capacitor pins are injection-molded by a predetermined material, the above-mentioned sealed space is filled with an injection molding material, and the capacitor 3 and the capacitor pin 2 are Wrapped in the finished product formed after injection molding; and, after removing the first jig 1 and the second jig 4, an injection molded product 5 is obtained, and the injection molded product 5 has the above-mentioned preset shape and is wrapped therein. There are the capacitor 3 and the capacitor pin 2.

It should be understood that, in order to ensure that the capacitor and the capacitor pin are easily peeled off from the first jig after the injection molding, in the embodiment, the capacitor and the capacitor pin and the first treatment are The bonding force between the members is much smaller than the capacitance and the bonding force between the capacitor pins and the injection molding material.

Referring to FIG. 1 , in the embodiment, the first jig 1 is a square structure, and the capacitor pin 2 is L-shaped, so that when the capacitor pin is fixed to the first A first side 21 of the capacitor pin 2 is fixed to a first side 11 of the first jig 1 and a second side 22 of the capacitor pin 2 is formed on a fixture 1 It is fixed on a second surface 12 of the first jig 1 connected to the first surface 11. Therefore, the right angle of the capacitor pin 2 is clamped on the top of the first jig 1 and the second face 12 of the first jig 1 . Subsequently, the capacitor 3 is fixedly connected to the first side 21 of the capacitor pin 2, and the capacitor 3 is fixed on the first face 11 of the first jig 1; After injection molding, the capacitor 3 is fixedly connected to the first side 21 of the capacitor pin 2, and the second side 22 of the capacitor pin 2 is connectable to an external circuit.

With reference to FIG. 1, in the embodiment, the second jig 4 has a dividing portion 41, the dividing portion 41 is a cylindrical structure, and the dividing portion 41 is located at the second jig. 4 is at a central position facing the face of the first jig 1 . Therefore, after the second jig 4 is fixedly mounted to the first jig 1 , the dividing portion 41 will be connected to the first jig 1 , and the first jig 1 and the An annular hollow structure is formed between the second jigs. Therefore, in this embodiment, after the injection molding process is completed, an annular injection molded product wrapped with at least two of the capacitors 3 and the capacitor pins 2 can be obtained.

With continued reference to FIG. 1, in the present embodiment, the lower end of the first jig 1 has a protrusion 13. The protruding portion 13 is formed by extending the first jig 1 horizontally away from the first jig 1 . In the embodiment, the second side 22 of the capacitor pin 2 extends toward the protruding portion 13 and extends into contact with the protruding portion 13 . Therefore, after the injection molding process, the end of the second side 22 of the capacitor pin 2 is exposed to the outside, so that the second side 22 of the capacitor pin 2 can be electrically connected to an external circuit.

Preferably, in the embodiment, the capacitor 3 and the capacitor pin 2 are fixedly connected by soldering, so that the capacitor 3 can be electrically connected to the capacitor pin 2, and the connection is fastened, and the During the assembly process, it is peeled off due to the action of external force.

Preferably, in the embodiment, the injection molded product 5 is a base of the camera, and thus, after being assembled by the assembly method of the embodiment, the capacitance and the capacitance pin of the capacitor are integrated with the base of the camera. design.

In summary, in the present invention, by means of the jig, the injection molding method can realize the integration of the capacitor with the injection molding of another component such as the camera base, and at the same time, the capacitor and the external can be realized by setting a capacitor pin. The electrical connection of the circuit reduces the complexity of the prior art process of integrating the capacitor with the camera base.

Another aspect of the present invention is to provide a camera module. Referring to Figure 2, there is shown a block diagram of a camera module in accordance with a preferred embodiment of the present invention. As can be seen from the figure, in the embodiment, the provided camera module mainly comprises the following structure:

- base 101;

The base 101 is a plastic frame that is generally combined with a motor. Therefore, the base is generally connected to the bottommost PCB through some left and right pins, and the PCB transmits some data to the base during the operation of the camera, and controls the motor in the base to adjust the position of the lens, thereby ensuring that the final imaging effect is the user. The desired effect.

- Capacitor 3

Capacitance in the camera enables energy storage and the release of electrical energy when necessary, such as high voltage for the camera's flash.

- Capacitor pin 2

Used to achieve electrical connection between the capacitor 3 and the PCB board 102.

- PCB board 102

The PCB is responsible for connecting the other components of the camera to the main processor. In addition to transmitting signals to control lens movement for focusing, one of the main functions is to transfer the raw data of the image sensor to the main controller. As the functionality of the camera becomes more complex and the amount of data that needs to be transferred increases, the PCB slowly integrates with some simple image processing processors. The PCB is connected to the main components of the camera through the pins of the image sensor. Because the entire image sensor is directly embedded on the PCB, if the FPCB is not properly designed, the performance of the image sensor will be greatly affected.

- lens 103;

A lens is a device that images a scene on a sensor (CCD or CMOS), which usually consists of several lenses. From the material point of view, the camera lens can be divided into plastic lens (Plastic) and glass lens (Glass). The lens usually has two more important parameters. One is the aperture, which is a device mounted on the lens to control the amount of light reaching the sensor through the lens. In addition to controlling the amount of light passing through, the aperture also has the function of controlling the depth of field, that is, the larger the aperture, the smaller the depth of field. The other is the focal length, which is basically the distance from the center point of the lens to the sharp image formed on the sensor plane. The focal length of the lens determines the size of the image formed by the object captured by the lens on the sensor. Fake Set the same distance to face the same object, then the longer the focal length of the lens, the larger the image formed by the object.

- sensor 104

Sensors, also known as image sensors, are an important part of a digital camera. Depending on the components, it can be classified into two types: CCD (Charge Coupled Device) and CMOS (Complementary Metal-Oxide Semiconductor).

The working principle of CCD is: it is made of a high-sensitivity semiconductor material, which can convert light into electric charge, convert it into digital signal through analog-to-digital converter chip, digital signal is compressed by camera internal flash memory or built-in hard disk. The card is saved, so that the data can be easily transferred to the computer, and the image can be modified as needed and imagined by means of computer processing. The CCD consists of many photosensitive units, usually in megapixels. When the CCD surface is exposed to light, each photosensitive unit reflects the charge on the component, and the signals generated by all the photosensitive units are added together to form a complete picture. Compared with traditional negative films, CCD is closer to the way the human eye works for vision. However, the retina of the human eye is composed of rod cells responsible for light intensity sensing and cone-shaped cells of color induction, and the division of labor forms a visual sense. After 35 years of development, the CCD has been shaped and shaped. The composition of the CCD is mainly composed of a mosaic-like grid, a concentrating lens, and a matrix of electronic circuits under the bottom.

At present, there are mainly two types of CCD photosensitive elements, a linear CCD and a matrix CCD. Linear CCDs are used in high-resolution still cameras that take only one line of the image at a time, the same way that a flatbed scanner scans a photo. This CCD has high precision and slow speed and cannot be used to shoot moving objects or use flash. A matrix CCD in which each photosensitive element represents a pixel in an image, and when the shutter is opened, the entire image is simultaneously exposed at a time. There are two methods for using matrix CCDs to process colors. One is to embed color filters in the CCD matrix, and similar pixels use filters of different colors. Typical arrangements are G-R-G-B and C-Y-G-M. The principle of imaging in both arrangements is the same. During the recording of the photo, the microprocessor inside the camera obtains a signal from each pixel and combines the adjacent four points into one pixel. This method allows for instant exposure and the microprocessor can operate very quickly. This is the imaging principle of most digital camera CCDs. Because it is not the same point synthesis, which contains mathematical calculations, the biggest drawback of this CCD is that the resulting image is always unable to achieve sharpness like a knife;

The basic working principle of the CMOS image sensor is as follows: First, the external light illuminates the pixel array, and a photoelectric effect occurs, and a corresponding electric charge is generated in the pixel unit. The row select logic unit gates the corresponding row pixel cells as needed. The image signals in the row pixel units are transmitted to the corresponding analog signal processing unit and the A/D converter through the signal bus of the respective column, and converted into digital image signal outputs. The row selection logic unit can scan the pixel array line by line The drawing can also be interlaced. The row selection logic unit and the column selection logic unit can implement the window extraction function of the image. The main function of the analog signal processing unit is to amplify the signal and improve the signal to noise ratio. In addition, in order to obtain a practical camera with good quality, various control circuits such as exposure time control, automatic gain control, etc. must be included in the chip. In order to operate each part of the circuit in a predetermined beat, a plurality of timing control signals must be used. In order to facilitate the application of the camera, the chip is also required to output some timing signals, such as a synchronization signal, a line start signal, a field start signal, and the like.

Continuing to refer to FIG. 2 , specifically, in the embodiment, the capacitor 3 is fixedly connected to the capacitor pin 2 and injection molded into the base 101 to form an integrated injection molded product with the base 101 . Preferably, in the embodiment, the capacitor 3 and the capacitor pin 2 can be injection molded into the base 101 of the camera by the assembly method described in the above embodiment; meanwhile, the base 101 is fixed. Mounted on the PCB board 102; the end of the capacitor pin 2 remote from the capacitor 3 is connected to the PCB board 102, thereby indirectly implementing the capacitor 3 and the PCB board 102 through the capacitor pin 2. In the embodiment, the lens 103 is fixed on one end of the base 101 away from the PCB board 102, and is clamped between the pair of bases 101; and the sensor 104 is fixed in the The PCB board 102 is located in a space formed by the PCB board, a pair of bases and a lens, and is electrically connected to the PCB board. In view of the above design, in the embodiment, the capacitor and the capacitor pin in the camera are integrally molded with the base, which greatly reduces the space requirement of the camera.

With reference to FIG. 2, in the embodiment, the capacitor pin 2 is an L-shaped structure, wherein a first side of the capacitor pin 2 is electrically connected to the capacitor 3, and the capacitor leads A second side of the leg 2 is electrically connected to the PCB board 102 away from an end of the capacitor 3. The capacitor pin 2 abuts the base 102 at a right angle and is packaged in the base.

Preferably, referring to FIG. 2, in the embodiment, the PCB board 102 and the sensor 104 are electrically connected by a gold wire 105.

Preferably, referring to FIG. 2, in the embodiment, the base 101 includes a mounting portion for mounting the lens 103, the mounting portion is a ring structure including internal threads, and the base 101 further includes a receiving portion, the receiving portion is a square housing, and the lower portion of the receiving portion is connected to the PCB board to form a receiving space; the mounting portion is located at a center of the receiving portion, and is connected to the receiving portion The capacitor 3 is wrapped in the base 101 and is connected to one end of the mounting portion. In view of the above design, in the embodiment, the capacitor in the camera module is wrapped in the base, and does not occupy the space inside the camera. At the same time, since the capacitor is located at the connection between the receiving portion of the base and the mounting portion, there is no need to wrap the capacitor. Increase the thickness of the base.

With continued reference to FIG. 2, preferably, in this embodiment, at least two sets of capacitors 3 and their capacitor pins 2 are provided.

In summary, the present invention provides a camera module, which injects a camera base and a camera capacitor into a capacitor At the same time, by means of a capacitor pin, the electrical connection between the capacitor and the PCB board can be realized, which greatly reduces the occupation of the camera space by the camera capacitor in the prior art, and reduces the space requirement of the camera.

Another aspect of the present invention is to provide an intelligent terminal, wherein the smart terminal is provided with the above-mentioned camera module, and the capacitor base is integrated with the camera by capacitive injection molding, and at the same time, a capacitor can be provided by means of a capacitor. The foot realizes the electrical connection between the capacitor and the PCB board, which greatly reduces the occupation of the camera space by the camera capacitor in the prior art, and reduces the space requirement of the camera, thereby enabling the smart terminal to be more light and thin.

It should be noted that the embodiments of the present invention are preferred embodiments, and are not intended to limit the scope of the present invention. Any one skilled in the art may use the above-disclosed technical contents to change or modify the equivalent embodiments. Any modification or equivalent changes and modifications of the above embodiments in accordance with the technical spirit of the present invention are still within the scope of the technical solutions of the present invention.

Claims

A method for assembling a camera capacitor, comprising the steps of:

Fixing the capacitor pin on a first fixture,

Fixing a capacitor to the capacitor pin and fixing the capacitor to the first fixture

Fixing a second jig to the first jig, forming a space corresponding to a preset injection shape between the first jig and the second jig, the capacitor and the capacitor pin setting In the space,

Injection molding,

The capacitor and the capacitor pin are wrapped in a finished product obtained after injection molding,

Removing the first jig and the second jig,

An injection molded product is obtained which conforms to a preset injection molding shape and is wrapped with the capacitor and the capacitor pin.
The assembly method according to claim 1, wherein

The first jig is a square structure,

The capacitor pin is fixed to the first jig in an L shape, a first side of the capacitor pin is fixed on a first surface of the first jig, and one of the capacitor pins The second side is fixed on a second surface of the first jig connected to the first surface,

The capacitor is fixedly connected to the first side of the capacitor pin, and is fixed to the first surface of the first jig,

After injection molding, the capacitor is fixedly connected to the first side of the capacitor pin, and the second side of the capacitor pin is connected to an external circuit.
The assembly method according to claim 2, wherein

The second jig has a dividing portion, and the dividing portion is a cylindrical structure located at a center of the second jig facing the face of the first jig.

After the second jig is fixedly mounted on the first jig, the dividing portion is connected to the first jig, and a ring is formed between the first jig and the second jig. Hollow structure,

After the injection molding is completed, an annular injection molded product wrapped with at least two of the capacitors and the capacitor pins is obtained.
The assembly method according to claim 1, wherein

The lower end of the first jig has a protruding portion, and the protruding portion extends horizontally away from the first jig by the first jig.

a second side of the capacitor pin extends toward the protrusion to contact the protrusion,

After injection molding, the end of the second side of the capacitor pin is exposed to the outside.
The assembly method according to claim 1, wherein

The capacitor is fixedly connected to the capacitor pin by soldering.
The assembly method according to claim 1, wherein

The injection molded product is the base of the camera.
A camera module, including

Base, capacitors, capacitor pins, PCB boards, lenses and sensors,

It is characterized in that

The capacitor is fixedly connected to the capacitor pin, and forms an injection molded product with the base.

The base is fixedly mounted on the PCB, and the end of the capacitor pin away from the capacitor is connected to the PCB board.

The lens is fixed on an end of the base away from the PCB, and is clamped in the base.

The sensor is fixed on a side of the PCB facing the lens, and is located in a space formed by the PCB board, the base and the lens, and is electrically connected to the PCB board.
The camera module of claim 7 wherein:

The capacitor pin is an L-shaped structure.

A first side of the capacitor pin is electrically connected to the capacitor,

A second side of the capacitor pin is electrically connected to the PCB board away from an end of the capacitor.

The capacitor pin abuts the base at a right angle and is packaged on the base.
The camera module of claim 7 wherein:

The PCB board and the sensor are electrically connected by a gold wire.
A smart terminal, comprising a camera module according to any one of claims 7-9.