CN217216675U

CN217216675U - Code reading camera module and electronic equipment

Info

Publication number: CN217216675U
Application number: CN202220472884.0U
Authority: CN
Inventors: 何颖; 张波; 郭颂
Original assignee: Shenzhen Urovo Technology Corp ltd
Current assignee: Shenzhen Urovo Technology Corp ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-16
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a read sign indicating number camera module and electronic equipment, this read sign indicating number camera module includes the camera, locate the camera rear and set up side by side be used for reading the infrared filter of sign indicating number and be used for the infrared cut-off filter of making a video recording, a two optical filter switcher for controlling infrared filter and the mutual dislocation of infrared cut-off filter, locate the image sensor at infrared filter and infrared cut-off filter rear, the digital signal processor who is connected with the image sensor electricity and the external connector who is connected with the digital signal processor electricity. This read sign indicating number module of making a video recording has integrated and has read sign indicating number module and camera module, with the electronic structure integration to the integrated device of two different functions, compares with independent module before, need not separately carry out layout design to two different modules in hardware design, optimizes and saves the inner space, shortens data processing time, reduces material purchasing cost.

Description

Code reading camera module and electronic equipment

Technical Field

The utility model relates to a read the sign indicating number technical field that makes a video recording, especially relate to a read sign indicating number module and electronic equipment of making a video recording.

Background

At present, all intelligent data terminals (PDA) and intelligent payment terminals (POS) have code reading modules and camera modules which are independent electronic components and perform different functions required by users, wherein the code reading modules perform one-dimensional/two-dimensional barcode code reading and data acquisition through external control and then send the data to a main control for data processing, and the camera modules are mainly responsible for performing optical imaging and video recording on a shot object in various application scenes. The function of the two modules can not be replaced, the whole structure is also respectively arranged at different positions of PDA/POS equipment, the code reading module is generally distributed at the top of the machine body to collect bar code data, and the camera module is distributed at the back of the machine body to take pictures and record videos. Just because the code reading module is arranged at the top of the body, the size of the top of the device is thicker and more abrupt compared with the body of a common smart phone, so that the PDA/POS machine has obvious identification degree in appearance compared with the common smart phone.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, to at least one defect that prior art exists, a read code module and electronic equipment of making a video recording is provided.

The utility model provides a technical scheme that its technical problem adopted is: the structure provides a code reading camera module, which comprises a camera, an infrared filter, a double-filter switcher, an image sensor, a digital signal processor and an external connector, wherein the infrared filter is used for reading codes, the infrared filter is arranged at the rear of the camera, the double-filter switcher is used for controlling the mutual dislocation switching of the infrared filter and the infrared cut-off filter, the image sensor is arranged at the rear of the infrared filter and the infrared cut-off filter, the digital signal processor is electrically connected with the image sensor, and the external connector is electrically connected with the digital signal processor.

Preferably, read the sign indicating number module of making a video recording in, read the sign indicating number module of making a video recording still including locating the supplementary sight of camera one side.

Preferably, read the sign indicating number camera module in, read the sign indicating number camera module still including locating the light supplement piece of camera one side.

Preferably, read the sign indicating number module of making a video recording in, the light filling piece is FLASH light filling LED lamp.

Preferably, in the code reading camera module of the present invention, the code reading camera module further includes a bracket; the camera sets up the middle part of support, supplementary aim piece with the light filling piece is located the relative both sides of camera.

Preferably, read the sign indicating number camera module in, the camera supplementary sight with mend the light part integration on a circuit board, and with interface electricity on the circuit board is connected.

Preferably, in the code-reading camera module of the present invention, the image sensor is connected to the digital signal processor through four groups of MIPI signal lines;

in the code reading process, one group of the MIPI signal lines outputs clock signals, one group of the MIPI signal lines outputs data signals, and the other two groups of the MIPI signal lines are in an idle state;

in the process of shooting, one group of MIPI signal lines output clock signals, and three groups of MIPI signal lines output data signals.

Preferably, read the sign indicating number module of making a video recording in, read the sign indicating number module of making a video recording still including being used for adjusting the voice coil motor of camera position in order to carry out automatic focusing.

Preferably, read the sign indicating number module of making a video recording in, two filter switchers are electromagnetic means, infrared filter with one side of infrared cut-off filter is equipped with magnetism portion, through the switching of accomplishing mutual dislocation is inhaled to the circular telegram magnetism of two filter switchers.

The utility model also constructs an electronic device, which comprises a host and any one of the code reading camera module; the code camera module is installed on the host through an external connector and is electrically connected with the host.

Through implementing the utility model discloses, following beneficial effect has:

this read sign indicating number module of making a video recording has integrated and has read sign indicating number module and camera module, with the electronic structure integration to the integrated device of two different functions, compares with independent module before, need not separately carry out layout design to two different modules in hardware design, optimizes and saves the inner space, shortens data processing time, reduces material purchasing cost.

When the device is applied to electronic equipment, the structure of electronic devices can be reduced, the layout space is enlarged, the appearance of the top of the whole machine is beautified, the top of the machine body is not thick any more, and the machine body can be held more conveniently after being thinned.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a sectional view of the code-reading camera module of the present invention;

fig. 2 is a front view of the code-reading camera module of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or chemically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 and 2, the present embodiment discloses a code reading camera module, which includes a camera 1, an infrared filter 5 and an infrared cut-off filter 6, which are arranged behind the camera 1 and side by side for reading codes, a dual-filter switcher for controlling the mutual dislocation switching of the infrared filter 5 and the infrared cut-off filter 6, an image sensor 7 arranged behind the infrared filter 5 and the infrared cut-off filter 6, a digital signal processor electrically connected to the image sensor 7, and an external connector 8 electrically connected to the digital signal processor. In some embodiments, the image sensor 7 and the digital signal processor may be integrated together.

This embodiment has integrated code reading module and camera module, and integrated the electronic structure of two different functions to integrated device, compares mainly by following benefit with preceding independent module: two different modules do not need to be separately arranged and designed on the aspect of hardware design, so that the internal space is optimized and saved, the data processing time is shortened, and the material purchasing cost is reduced; because of having integrated the code reading function and cancelled the code reading module at top, recovered the slim thickness in fuselage top, let fuselage top and bottom outward appearance symmetry coordinate more, promote equipment aesthetic measure.

In some embodiments, the code-reading camera module further comprises a voice coil motor 10 for adjusting the position of the camera 1 for automatic focusing. The camera 1 is mainly responsible for collecting image information of the one-dimensional/two-dimensional bar code during code reading, and is mainly responsible for carrying out automatic focusing on a shot object and collecting the image information during shooting.

In the embodiment, when the code reading image is collected, the double-filter switcher controls and switches to the infrared filter 5 to work, and the infrared light reflects the one-dimensional/two-dimensional bar code information into the image sensor 7 to work. When the camera image is collected, the double-filter switcher controls and switches the infrared cut-off filter 6 to work, and visible light enters the image sensor 7, is converted into an electric signal by an optical signal and is processed. The double-filter switcher can generate magnetic force by electrifying, the infrared filter 5 is magnetically attracted when code reading image acquisition is carried out so as to be opposite to the camera 1, the infrared cut-off filter 6 is magnetically attracted when camera image acquisition is carried out so as to be opposite to the camera 1, and the infrared filter 5 and the infrared cut-off filter 6 are enabled to be in and out and staggered with each other.

In some embodiments, the code-reading camera module further comprises an auxiliary aiming piece 2 arranged on one side of the camera 1. The auxiliary sight 2 is, for example, a laser sight, and the main function is to specify the position of a target barcode using an infrared laser.

In some embodiments, the code-reading camera module further includes a light supplement component 3 disposed on one side of the camera 1. For example, the light supplement element 3 is a FLASH light supplement LED lamp, and is mainly responsible for supplementing light to the LED during code reading in a dark light environment and improving the ambient light brightness during image capturing. In the process of making a video recording, when ambient light luminance is not enough, can start reading the FLASH light filling LED lamp in the sign indicating number camera module, carry out the light filling to object surrounding environment light, act as the effect of FLASH light in the originally independent camera module, that is to say, read the sign indicating number camera module and integrate originally respectively independent reading the sign indicating number module and camera module in an electronic structure spare, compare with two original independent modules, although reduced the image acquisition system in reading the sign indicating number module, also remove the FLASH light in the camera module, but because integrate on the integration module, it reads a sign indicating number and makes a video recording and shares a camera 1, a light filling piece 3 and an image sensor 7, do not attenuate in functional equivalent to, the integration of electronic structure spare has been promoted on the contrary.

In this embodiment, read the code and make a video recording the module and still include the support 9 that is used for fixed stay, and camera 1, supplementary sighting piece 2 and light filling piece 3 encapsulation are in same support 9. Preferably, camera 1 sets up in the middle part of support 9, and supplementary sight 2 and light filling 3 are located the relative both sides of camera 1.

In some embodiments, the camera 1, the auxiliary sighting device 2 and the light supplement device 3 are integrated on a circuit board 4, and are electrically connected with an interface on the circuit board 4. For example, the camera 1, the auxiliary sighting piece 2 and the light supplement piece 3 are integrated on the same PCB through the SMT surface mount technology, and then the circuit is pulled to the interface of the PCB through the FPC flexible circuit board 4.

In some embodiments, the image sensor 7 is connected to the digital signal processor by four sets of MIPI signal lines.

In the code reading process, one group of MIPI signal lines output clock signals, one group of MIPI signal lines output data signals, and the other two groups of MIPI signal lines are in an idle state. The bar code image acquisition mainly comprises black, white and narrow stripe width, and color data is not involved, so that the data volume of signal transmission can be met by two groups of MIPI signal lines.

In the process of shooting, a group of MIPI signal lines output clock signals, and three groups of MIPI signal lines output data signals.

The embodiment also discloses electronic equipment, which comprises a host and the code reading camera module, wherein the code camera module is installed on the host through the external connector 8 and is electrically connected with the host. In some embodiments, the electronic device is a PDA or POS.

Completely, collecting a code reading image: under the normal start state of the electronic equipment, after a user presses a code reading physical key through a control switch, the module is reset, the CPU enables the auxiliary sighting piece 2 and the light supplementing piece 3 to enable the target position to be clear and determined, infrared light transmits reflected one-dimensional/two-dimensional bar code information to the image sensor 7 through the camera 1, the image sensor 7 converts analog signals into digital signals through two groups of MIPI signal lines and sends the digital signals to the digital signal processor to generate bar code information, the voice coil motor 10 pushes a lens to automatically focus in the process, and the depth of field of the obtained images is improved.

Image acquisition: under the normal power-on state of the electronic equipment, a user touches a camera key, after the module is reset, reflected light of a shot object is collected by the camera 1 and enters the image sensor 7, the infrared cut-off filter 6 works normally, visible light induces the photosensitive diode on the image sensor 7 to discharge after passing through the infrared cut-off filter and is converted into electrons to be released, the charges are stored to form potential difference, the gray value of each pixel point is confirmed by detecting the potential difference, the image sensor 7 converts analog signals into digital signals through four groups of MIPI signal lines, the digital signals are sent to the digital signal processor to process data of a photosensitive area, and the processed data are sent to the electronic equipment to be displayed.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a read sign indicating number camera module, its characterized in that includes camera (1), locates camera (1) rear and the infrared filter (5) that are used for reading the sign indicating number that sets up side by side and infrared cut-off filter (6) that are used for making a video recording, be used for control infrared filter (5) with the mutual dislocation of infrared cut-off filter (6) switches double-filter switcher, locate image sensor (7) at infrared filter (5) and infrared cut-off filter (6) rear, with digital signal processor that image sensor (7) electricity is connected and with external connector (8) that digital signal processor electricity is connected.

2. The code reading camera module according to claim 1, characterized in that it further comprises an auxiliary aiming element (2) arranged on one side of the camera (1).

3. The code-reading camera module according to claim 2, characterized in that it further comprises a light-compensating member (3) disposed on one side of the camera (1).

4. The code-reading camera module according to claim 3, wherein the light-compensating element (3) is a FLASH light-compensating LED lamp.

5. The code-reading camera module according to claim 3, characterized in that it further comprises a stand (9); the camera (1) is arranged in the middle of the support (9), and the auxiliary aiming part (2) and the light supplementing part (3) are located on two opposite sides of the camera (1).

6. The code-reading camera module according to claim 3, characterized in that the camera head (1), the auxiliary sighting piece (2) and the light compensating piece (3) are integrated on a circuit board (4) and electrically connected with an interface on the circuit board (4).

7. The code-reading camera module according to claim 1, characterized in that the image sensor (7) is connected to the digital signal processor by four groups of MIPI signal lines;

8. The code reading camera module according to claim 1, characterized in that it further comprises a voice coil motor (10) for adjusting the position of the camera (1) for auto-focusing.

9. The code-reading camera module according to claim 1, wherein the dual-filter switch is an electromagnetic device, and a magnetic part is disposed on one side of the infrared filter (5) and the infrared cut-off filter (6), and the switching of the mutual dislocation is achieved by the electrification of the dual-filter switch.

10. An electronic device, comprising a host and the code-reading camera module of any one of claims 1-9; the code camera module is installed on the host through an external connector (8) and is electrically connected with the host.