CN113784111A - Data burning and detecting method for camera module - Google Patents
Data burning and detecting method for camera module Download PDFInfo
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- CN113784111A CN113784111A CN202110761541.6A CN202110761541A CN113784111A CN 113784111 A CN113784111 A CN 113784111A CN 202110761541 A CN202110761541 A CN 202110761541A CN 113784111 A CN113784111 A CN 113784111A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
The invention provides a data burning and detecting method for a camera module, which combines module burning data with a unique sequence code and a module two-dimensional code which are unique to a camera module photosensitive film, so that abnormal tracing of a production line is facilitated, and the two-dimensional code generated by the method has uniqueness, thereby effectively avoiding the situation of data confusion caused by two-dimensional code repetition; the camera module burning detection method is simple in operation, only the two-dimension code scanning gun is needed to scan the two-dimension code on the surface of the module to obtain the information whether burning data is effectively burned or not, the burning data can be called from the database according to the two-dimension code identifier, an additional burning detection machine is not needed, historical test data can be obtained when damage to a module machine chip and/or a two-dimension code machine cannot be tested, the test data can be obtained remotely, real-time, visual and effective effects are achieved, equipment cost is reduced, and production detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of image communication, in particular to a data burning and detecting method for a camera module.
Background
Because different monomers of the camera module are different, the camera module is required to burn some data, such as focusing parameters, lens shadow correction parameters, white balance parameters and the like, before leaving a factory, and a bad module can appear in the process, for example, 1, the difference between part of modules and a typical module is overlarge, and the generated burning parameters ensure that a mobile phone terminal cannot use the same debugging parameter configuration to achieve the consistent effect; 2. bad modules with abnormal burning data due to electrical reasons during burning; bad module and normal yields are with the box partial shipment of different colours, are artifical partial shipment usually in the present assembly line, are artifical transport between the different processes, and the inevitable error is loaded in mixture bad module and normal defective products. In order to ensure that the modules before shipment are all good products and the parameter condition of each module can be traced after shipment, the common solution in the prior art is as follows: rechecking the previous procedure after each procedure to ensure that the modules at the current station are good, and using the electronic identity code of the chip to correspond to the current test result and the historical test result of each module for tracing the parameter condition of each module; the scheme has the problems that the test content is repeated, the detection efficiency is low, and the historical test information of the module cannot be acquired if the tested module cannot acquire the sequence code of the chip due to mechanical damage during bad tracing.
For example, a chinese patent document discloses a "data recording method and data recording system for camera assembly", whose publication number CN107959810A, includes the following steps: presetting a two-dimensional code for recording identification information of a camera assembly on the surface of a connector of the camera assembly; binding data corresponding to the camera assembly in a database with the two-dimensional code; when the camera assembly is installed on an intelligent terminal, scanning to obtain a two-dimensional code on the surface of a connector of the camera assembly; and burning the data bound with the two-dimension code into a memory of the intelligent terminal. However, according to the scheme, the camera is bound through the two-dimensional code, the data of the database storage camera assembly are set, data burning is carried out through scanning the two-dimensional code, once the two-dimensional code information is worn or cannot be identified, corresponding module information cannot be acquired, and the problem that terminal identification is poor due to the fact that the two-dimensional code information is easily duplicated is solved, so that the production efficiency is influenced, and poor materials are caused to flow out.
Disclosure of Invention
The invention provides a data burning and detecting method for a camera module, which is simple in burning operation, convenient and fast in detection and convenient for bad retrospection and is used for overcoming the problems that in the prior art, the testing content of burning and checking before shipment of the camera module is repeated, the detection efficiency is low, and historical testing information is difficult to obtain during bad retrospection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a data burning method for a camera module comprises the following steps:
step S1: reading a sequence code of a chip in a light sensing chip in the camera module and uploading the sequence code to a database;
step S2: generating burning data and burning efficiency identification of each module of the camera module, and uploading the burning data and the burning efficiency identification to a database;
step S3: binding the burning data and the burning efficiency identification of the camera module with the serial code of the chip;
step S4: after the burning efficiency identification is confirmed, burning the burning data into a memory of the camera module;
step S5: after the burning of the camera module is finished, generating a burning mark, uploading the burning mark to a database and binding the burning mark with the sequence code of the chip;
step S6: and arranging the two-dimensional code comprising the serial number, the burning efficiency identifier and the burning identifier information of the chip on the surface of the camera module shell. The sequence code of the camera module photosensitive chip is the unique code, so that the two-dimensional code identification generated by the sequence code is also the unique code, and the problem of data confusion caused by the problem of two-dimensional code duplication is avoided.
Preferably, the burning effectiveness identifier is a flag identifier, the flag identifier is represented by a hexadecimal system or an octal system, and the flag identifier contains information that burning data is valid or burning data is invalid. And the information of the burning data is made into a flag mark and is bound with the serial number, and the serial number corresponds to the burning data one by one, so that the visual judgment is convenient.
Preferably, the burning identifier is a burned identifier, the burned identifier is represented by a hexadecimal system or an octal system, and the burned identifier contains information that the burning data is correctly burned or the burning data is not correctly burned. And the data burning result is made into a burned mark and is bound with the serial number, and the serial number corresponds to the burning result one by one, so that the visual judgment is convenient.
Preferably, the step S6 further includes sorting, combining and arranging data included in the chip serial number, the flag, and the burned flag to form raw code data, and then generating a two-dimensional code module layout diagram meeting the specification from the raw code data. The two-dimension code module layout diagram is a two-dimension code, and the burning efficiency mark flag mark, the burning result burned mark and the chip sequence code module two-dimension code are combined with each other, so that the abnormal tracing of a production line is facilitated.
Preferably, the sorting and combining and arranging includes sorting the chip serial number, the flag identifier and the burned identifier into a chip serial number data field, a flag identifier data field and a burned identifier data field, and unifying data in each data field into a hexadecimal system or an octal system.
Preferably, the step S6 further includes that the two-dimensional code is set on the surface of the camera module shell by means of laser or sticker. The two-dimensional code is arranged on the camera module shell, whether burning data of the camera module are effectively burned can be obtained only by the two-dimensional code scanning gun, the burning data can be called from the database according to the two-dimensional code identification, and an additional burning detection machine table is not needed.
A detection method for the data burning method of the camera module set of claims 1-7, comprising the steps of:
step SS 1: judging whether the two-dimensional code scanned and arranged on the camera module can be read or not;
step SS2, if the two-dimensional code can be read, acquiring a chip serial number, a flag mark and a burned mark of the camera module; if the two-dimensional code cannot be read, the process goes to step SS 3.
And SS3, reading the sequence code in the photosensitive chip of the camera module, and inquiring the flag mark and the burned mark bound with the sequence code in a database. Whether burning data are effectively burned can be checked only through the two-dimension code on the two-dimension code scanning gun scanning module, the burning data can be called from the database according to the two-dimension code identification, an additional burning detection machine table is not needed, historical test data can be obtained when the damage of a camera module chip and/or a two-dimension code mechanical device cannot be tested, the test data can be obtained through the database remotely, the operation is real-time, visual and effective, the equipment cost is reduced, and the production detection efficiency is improved.
Therefore, the invention has the following beneficial effects: (1) the unique sequence code specific to the camera module photosensitive film and the burning related data characteristics of the camera module are combined to generate two-dimensional code information.
(2) The two-dimensional code is arranged on the surface of the camera module shell, can be directly scanned and read during burning detection, and is simple to operate.
(3) The two-dimensional code generated by the invention has uniqueness, and if the two-dimensional code is damaged and cannot be read, the burning information of the corresponding module can be acquired from the camera module chip.
Drawings
Fig. 1 is a flowchart of a data burning method for a camera module according to an embodiment of the invention.
FIG. 2 is a block diagram of a method for detecting burning data of a camera module according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example (b):
as shown in fig. 1-2, a data burning and detecting method for a camera module includes the following steps:
step S1: reading a sequence code of a chip in a light sensing chip in the camera module and uploading the sequence code to a database;
step S2: generating burning data and a flag mark of each module of the camera module, wherein the flag mark is represented by a hexadecimal system or an octal system, the flag mark contains information that the burning data is valid or invalid, and the burning data and the flag mark are uploaded to a database;
step S3: binding the burning data and the flag mark of the camera module with the sequence code of the chip;
step S4: after the burning data is confirmed to be valid, burning the burning data into a memory of the camera module;
step S5: after the burning of the camera module is finished, a burned mark is expressed by hexadecimal or octal, the burned mark contains information that burning data is correctly burnt or the burning data is not correctly burnt, and the burned mark is uploaded to a database and bound with a sequence code of a chip;
step S6: and arranging the chip serial number, the flag identifier and the burned identifier into a chip serial number data field, a flag identifier data field and a burned identifier data field, and unifying the data in each data field into a hexadecimal system or an octal system. And then generating a two-dimensional code module layout chart which is a two-dimensional code meeting the specification from the raw code data, and setting the two-dimensional code containing the serial number, the flag mark and the burned mark information of the chip on the surface of the shell of the camera module in a laser or sticker mode. The sequence code of the camera module photosensitive chip is the unique code, so that the two-dimensional code identification generated by the sequence code is also the unique code, and the problem of data confusion caused by the problem of two-dimensional code duplication is avoided.
Step SS 1: judging whether the two-dimensional code scanned and arranged on the camera module can be read or not;
and (SS): if the two-dimensional code can be read, acquiring a chip serial number, a flag mark and a burned mark of the camera module; if the two-dimensional code cannot be read, the process goes to step SS 3.
And SS3, reading the sequence code in the photosensitive chip of the camera module, and inquiring the flag mark and the burned mark bound with the sequence code in a database. Whether burning data are effectively burned can be checked only through the two-dimension code on the two-dimension code scanning gun scanning module, the burning data can be called from the database according to the two-dimension code identification, an additional burning detection machine table is not needed, historical test data can be obtained when the damage of a camera module chip and/or a two-dimension code mechanical device cannot be tested, the test data can be obtained through the database remotely, the operation is real-time, visual and effective, the equipment cost is reduced, and the production detection efficiency is improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms photosensitive chip, burn, flag, two-dimensional code, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (7)
1. A data burning method for a camera module is characterized by comprising the following steps:
step S1: reading a sequence code of a chip in a light sensing chip in the camera module and uploading the sequence code to a database;
step S2: generating burning data and burning efficiency identification of each module of the camera module, and uploading the burning data and the burning efficiency identification to a database;
step S3: binding the burning data and burning efficiency representation of the camera module with the serial code of the chip;
step S4: after the burning efficiency identification is confirmed, burning the burning data into a memory of the camera module;
step S5: after the burning of the camera module is finished, generating a burning mark, uploading the burning mark to a database and binding the burning mark with the sequence code of the chip;
step S6: and arranging the two-dimensional code comprising the serial number, the burning efficiency identifier and the burning identifier information of the chip on the surface of the camera module shell.
2. The method as claimed in claim 1, wherein the recording performance flag is a flag, the flag is represented by hexadecimal or octal, and the flag contains information that recording data is valid or recording data is invalid.
3. The method as claimed in claim 2, wherein the burning mark is a burned mark, the burned mark is represented by hexadecimal or octal, and the burned mark contains information that the burning data is correctly burned or the burning data is not correctly burned.
4. The method for burning data of a camera module as claimed in claim 3, wherein the step S6 further includes sorting, combining and editing data contained in the chip serial number, the flag and the burned flag to form raw code data, and then generating the raw code data into a two-dimensional code module layout meeting the specification.
5. The method as claimed in claim 4, wherein the sorting and combining and arranging comprises sorting the chip serial number, the flag and the rounded flag into a chip serial number data field, a flag data field and a rounded flag data field, and unifying the data in each data field into hexadecimal or octal.
6. The method for burning data of the camera module as claimed in any one of claims 1 to 6, wherein the step S6 further includes the step of arranging the two-dimensional code on the surface of the camera module housing by means of laser or sticker.
7. A method for detecting a data burning method for the camera module set of claims 1-7, comprising the steps of:
step SS 1: judging whether the two-dimensional code scanned and arranged on the camera module can be read or not;
and (SS): if the two-dimensional code can be read, acquiring a chip serial number, a flag mark and a burned mark of the camera module; if the two-dimensional code can not be read, the step SS3 is carried out;
and SS3, reading the sequence code in the photosensitive chip of the camera module, and inquiring the flag mark and the burned mark bound with the sequence code in a database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110761541.6A CN113784111A (en) | 2021-07-06 | 2021-07-06 | Data burning and detecting method for camera module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110761541.6A CN113784111A (en) | 2021-07-06 | 2021-07-06 | Data burning and detecting method for camera module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115002328A (en) * | 2022-07-01 | 2022-09-02 | 江西盛泰精密光学有限公司 | Camera module data burning fool-proof detection method and system |
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2021
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| JP2003140726A (en) * | 2001-10-30 | 2003-05-16 | Denso Corp | Manufacture history information recording device for product and manufacture history information recording device for parts |
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| CN107944789A (en) * | 2017-11-15 | 2018-04-20 | 惠州市蓝微电子有限公司 | A kind of input method of PACK products |
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