CN215767597U - Detection apparatus for assembly line display colour temperature, luminance and power - Google Patents
Detection apparatus for assembly line display colour temperature, luminance and power Download PDFInfo
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Abstract
The utility model relates to a detection device for color temperature, brightness and power of a production line display, which comprises a host, wherein the host comprises a main control module, a database recording module and a test report generating module, and the host is connected with a display module, a signal generating module, a product identification module, a color analysis module and an electrical test module; wherein: the signal generation module is used for calling a test signal and driving a tested product to display a picture according to a test requirement; the product identification module is used for identifying the identity information of the display to be detected and inputting the identity information into the host; the color analysis module is used for testing the brightness and the color temperature of the display; the electrical test module is used for testing the power of the display; the host control module is main control test software carried by the host; the utility model intelligently tests the power and optical parameters of the display, meets the beat of a high-speed assembly line, has comprehensive test data, and finishes testing the power and optical parameters of the display once without passing through the assembly line twice.
Description
Technical Field
The utility model relates to the technical field of displays, in particular to a device for detecting color temperature, brightness and power of a pipeline display.
Background
At present, a test power test and an optical test of a display on a production line are often set separately, and when the test is carried out, an operator needs to manually record test data, the operator is easy to fatigue, the data recording is not strict, the production quality is affected, and the defects of low working efficiency and high labor cost are also caused; and the separate measurement of the power test and the optical test easily causes data confusion and difficult summarization, the display also needs to test the energy efficiency, and the calculation formula of the Chinese energy efficiency is
eff is energy efficiency in candelas per watt (cd/W);
s is the effective luminous area of the display screen, and the unit is Cm2 of square meters);
l is the display screen luminance in candelas per square meter (cd/m 2);
pon is the energy consumption per unit time in the working state of the display.
Therefore, the energy efficiency calculation needs manual input of brightness and power data and then calculation, which is very troublesome.
Therefore, the assembly line display testing device is provided, manual testing is cancelled, working efficiency is improved, and the beat requirement of a high-speed assembly line is met.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to provide a device for detecting color temperature, brightness and power of a pipeline display, aiming at the above-mentioned defects of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the detection device for the color temperature, the brightness and the power of the assembly line display is constructed and comprises a host, wherein the host comprises a main control module, a database recording module and a test report generating module, and the host is connected with a display module, a signal generating module, a product identification module, a color analysis module and an electrical test module; wherein the content of the first and second substances,
the signal generating module is used for calling a test signal and driving a tested product to display a picture according to a test requirement;
the product identification module is used for identifying the identity information of the display to be detected and inputting the identity information into the host;
the color analysis module is used for testing the brightness and the color temperature of the display;
the electrical testing module is used for testing the power of the display;
the database module is used for recording the test data of the display to be tested and generating a file;
the inspection report generation module is used for calling server product test data according to a preset product report template and automatically generating an inspection record;
the host control module is main control test software carried by the host.
Preferably, the product identification module is a bar code scanning gun, is connected with the host, and is used for scanning a product bar code of the display to be detected and inputting the product bar code into the host.
Preferably, the signal generating module is an image signal generator, and is configured to output an image required by the display to be tested; the host and the signal generation module are connected with a display to be tested through a USB-to-I2C tooling plate.
Preferably, the electrical testing module is a power tester and is connected with the host through a USB-to-RS 232 module; the color analysis module can be loaded with one or more of the following color analysis instruments: CA-P410 color analyzer, LMK surface luminance meter, CR200 color analyzer and CS-200 color analyzer.
Preferably, the display to be tested is connected with a digital variable alternating current power supply, and the digital variable alternating current power supply is used for converting commercial power into a power supply required by a power test.
The utility model has the beneficial effects that: the utility model mainly tests the power and optical parameters of the display by an intelligent method, meets the beat of a high-speed assembly line, has comprehensive test data, finishes the test of the power and optical parameters of the display once, does not need to pass through two assembly lines, is provided with a qualified standard, sequentially obtains the brightness data and the color temperature data of the display to be tested by the host through an optical tester, sequentially obtains the standby power data and the shutdown power data of the display to be tested by a power measuring instrument, judges whether the display to be tested is qualified or not when one test item passes the qualified standard, passes the qualified product to enter the next test, manually marks unqualified products, then maintains and processes the unqualified products, the display with qualified brightness, color temperature, shutdown power and standby power is qualified, finally records the test data and inputs the test data into a database, and marks the whole bar code of the display to be tested, the number and the test progress of the display to be tested can be conveniently inquired, and the test efficiency is improved. The utility model is to install the power test system of the unmanned display which can automatically test, judge and release on the production line, thereby improving the test efficiency and reducing the labor force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a block diagram of a color temperature, brightness and power detection apparatus for a pipeline display according to a preferred embodiment of the present invention;
FIG. 2 is a circuit diagram of a USB-to-I2C tooling board of the detecting apparatus for color temperature, brightness and power of pipeline display according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures.
In addition, if the orientations or positional relationships indicated by the "upper end", "lower end", "front side", "back side", "larger side", "smaller side", "horizontal" and the like in the embodiments of the present invention are based on the orientations or positional relationships shown in the drawings or the conventional placement state or use state, the orientations or positional relationships are merely for convenience of describing the present invention and simplifying the description, but the structures, features, devices or elements indicated in the embodiments are not necessarily required to have specific orientations, be configured in specific orientations and operate, and thus, cannot be understood as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The various features and embodiments described in the embodiments may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and in order to avoid unnecessary repetition, various possible combinations of features/embodiments in the present invention will not be described in detail.
The detection device for color temperature, brightness and power of the pipeline display in the preferred embodiment of the utility model is shown in fig. 1 and comprises a host, wherein the host comprises a main control module, a database recording module and a test report generating module, and is connected with a display module, a signal generating module, a product identification module, a color analysis module and an electrical testing module; wherein:
the signal generating module is used for calling the test signal and driving the tested product to display a picture according to the test requirement;
the product identification module is used for identifying the identity information of the display to be detected and inputting the identity information into the host;
the color analysis module is used for testing the brightness and the color temperature of the display;
the electrical test module is used for testing the power of the display;
the database module is used for recording the test data of the display to be tested and generating a file;
the inspection report generation module is used for calling server product test data according to a preset product report template and automatically generating an inspection record;
the host control module is main control test software carried by the host;
the display module is a test result display;
the main control test software can send instructions to the display to be tested, so that the display to be tested is started, standby, shut down and data are stored. The MCU of the display to be tested can receive an I2C communication instruction sent to the display by the host, the display displays a test result, and if the test result is unqualified, more unqualified data can be displayed, so that manual recording is facilitated. The host computer stores the test data of each display to be tested.
As shown in fig. 1, the product identification module is a barcode scanning gun, and is connected to the host computer, and is configured to scan a product barcode of the display to be tested, and input the product barcode into the host computer; the host computer is connected with a bar code scanning gun through a USB line, and the bar code scanning gun identifies the identity of the display to be detected in the product database and informs the host computer of the basic attributes (such as product name, model, number and other information) of the product to be detected.
As shown in fig. 1, the signal generating module is an image signal generator for outputting an image required by the display to be tested; the host and the signal generation module are connected with a display to be tested through a USB-to-I2C tooling plate; the host is connected with a USB-to-I2C tooling plate through a USB line, the image signal generator is connected with the USB-to-I2C tooling plate through an HDMI line, and the USB-to-I2C tooling plate is connected with the display to be tested through an HDMI line; the USB-to-I2C tooling board outputs image signals and I2C communication signals to a display; the MCU of the display to be tested receives an I2C communication instruction sent to the display by the host, and the host controls the working state of the display to be tested through the instruction. (the contrast and brightness of the display to be tested are maximum, the factory setting of the display to be tested, the starting, standby, shutdown and other working states of the display to be tested are recovered).
As shown in fig. 1, the electrical testing module is a power tester and is connected to the host through a USB to RS232 module; the USB-to-RS 232 module is connected with the power tester through an RS232 line; the host reads the data of the power tester in real time, and the power tester can monitor the voltage, the current and the power of the display to be tested in real time and return the data to the host.
As shown in fig. 1, the host is connected to the color analysis module through a USB cable, and the color analysis module includes one or more of the following color analysis instruments:
the CA-P410 color analyzer is used as a lighting meter and is used for sampling output data in real time;
the LMK surface luminance meter is used for testing luminance, line width, illumination, light intensity, chromaticity, dominant wavelength, color temperature and chromatic aberration;
the CR200 color analyzer is used as a lighting meter and is used for testing brightness, chromaticity, flicker and jitter and can sample and output data in real time;
and the CS-200 color analyzer is used as a lighting luminance meter and is used for testing luminance and chrominance and sampling output data in real time.
As shown in fig. 1 and 2, the display to be tested is connected with a digital variable ac power supply, and the digital variable ac power supply is used for converting the commercial power into a power supply required by the power test; the digital variable alternating current power supply is connected with a power supply, and the commercial power (AC 220V 50Hz) supplies power to the digital variable alternating current power supply. And determining the power supply parameters of the display according to the selling place of the display. (e.g., china for a place of sale, AC 220V for a digital variable AC power set output, 50 Hz. for us for a place of sale, AC 110V,60 Hz.).
The method for using the detection device for the color temperature, the brightness and the power of the pipeline display in the preferred embodiment of the utility model comprises the following steps:
s1, initializing the power tester and the color analyzer, and presetting qualified standards of color temperature, brightness, standby power and shutdown power of the display to be tested;
s2, scanning the whole bar code of the display to be tested by the scanning gun, and acquiring the information of the display to be tested by the host;
s3, the host sends an instruction to the display to be tested to adjust the brightness and contrast of the display to the maximum value, the host sends an instruction to read the brightness value of the color analyzer and judge whether the data meet the test standard, if so, the host sends an instruction to read the power of the power tester and executes the next step, if not, the host displays unqualified brightness and the test brightness value on the display module, and then executes the step 2 on the next display to be tested;
s4, the host sends an instruction to the display to be tested to enable the display to be restored to a factory setting state, the host sends an instruction to read the color temperature value of the color analyzer and judges whether the data meet the test standard, if so, the next step is executed, if not, the unqualified color temperature and the tested color temperature value are displayed on the display module, and then the step 2 is executed on the next display to be tested;
s5, the host sends an instruction to the display to be tested to make the display enter a standby state, the host reads the data of the power tester and judges whether the data meets the test standard, if so, the next step is carried out, if not, the unqualified standby power and the test standby power value are displayed on the display module, and then the step 2 is carried out on the next display to be tested;
s6, the host computer sends a display shutdown instruction to the display to be tested, the display to be tested enters a shutdown state, the host computer reads data of the power tester, whether the data meet the test standard is judged, if yes, the next step is carried out, if not, the display module displays that the shutdown power is unqualified and the test shutdown power value is displayed, and then the next display to be tested executes the step 2;
s7, displaying 'product qualified' on the display module, recording the test data of the display to be tested by the host computer and generating a file; the test file can adopt a csv format file;
the utility model mainly tests the power and optical parameters of the display by an intelligent method, meets the beat of a high-speed assembly line, has comprehensive test data, finishes the test of the power and optical parameters of the display once, does not need to pass through two assembly lines, is provided with a qualified standard, sequentially obtains the brightness data and the color temperature data of the display to be tested by the host through an optical tester, sequentially obtains the standby power data and the shutdown power data of the display to be tested by a power measuring instrument, judges whether the display to be tested is qualified or not when one test item passes the qualified standard, passes the qualified product to enter the next test, manually marks unqualified products, then maintains and processes the unqualified products, the display with qualified brightness, color temperature, shutdown power and standby power is qualified, finally records the test data and inputs the test data into a database, and marks the whole bar code of the display to be tested, the number and the test progress of the display to be tested can be conveniently inquired, and the test efficiency is improved. The utility model is to install an automatic testing and judging display power testing system on the production line, which can improve the testing efficiency and reduce the labor force.
As shown in fig. 2, the method further includes step S8: calculating the energy efficiency of the display according to a preset formula, and adding energy efficiency data into a test file; the calculation formula of the Chinese energy efficiency is
eff is energy efficiency in candelas per watt (cd/W);
s is the effective luminous area of the display screen, and the unit is Cm2 of square meters);
l is the display screen luminance in candelas per square meter (cd/m 2);
pon is the energy consumption per unit time in the working state of the display.
S can call up the data of the database by scanning the bar code, L is measured by an optical tester in step S3, Pon is measured by a power tester in step S3, so that the host computer can obtain the energy efficiency data of the display only through simple calculation.
Further comprising step S9: sending test data of the display to be tested, which is qualified in test, to a remote server, wherein the test data comprises color temperature, brightness, standby power and shutdown power data of the display to be tested and whole machine bar code data of the display to be tested scanned by a scanning gun; and the data is sent to a remote server, so that remote operation and management are facilitated.
The system comprises at least two database modules, wherein one database module is used for recording test data of a to-be-tested display which is tested to be qualified, and the other database module is used for recording test data of an unqualified to-be-tested display; the unqualified data of the display is recorded in the database, so that maintenance personnel can conveniently obtain the data, the unqualified display can be conveniently debugged, and the reject ratio can be calculated, so that the management of a production line is facilitated.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the purview of the appended claims.
Claims (5)
1. The device for detecting the color temperature, the brightness and the power of the pipeline display is characterized by comprising a host, wherein the host comprises a main control module, a database recording module and a test report generating module, and the host is connected with a display module, a signal generating module, a product identification module, a color analysis module and an electrical test module; wherein the content of the first and second substances,
the signal generating module is used for calling a test signal and driving a tested product to display a picture according to a test requirement;
the product identification module is used for identifying the identity information of the display to be detected and inputting the identity information into the host;
the color analysis module is used for testing the brightness and the color temperature of the display;
the electrical testing module is used for testing the power of the display;
the database module is used for recording the test data of the display to be tested and generating a file;
the inspection report generation module is used for calling server product test data according to a preset product report template and automatically generating an inspection record;
the host control module is main control test software carried by the host.
2. The device for detecting color temperature, brightness and power of pipeline display of claim 1, wherein said product identification module is a bar code scanner, and is connected to the host for scanning the product bar code of the display to be tested and inputting the bar code into the host.
3. The device for detecting color temperature, brightness and power of pipeline display of claim 1, wherein the signal generating module is an image signal generator for outputting the image required by the display to be tested; the host and the signal generation module are connected with a display to be tested through a USB-to-I2C tooling plate.
4. The device for detecting the color temperature, the brightness and the power of the pipeline display as claimed in claim 1, wherein the electrical testing module is a power tester and is connected with a host through a USB-to-RS 232 module; the color analysis module can be loaded with one or more of the following color analysis instruments: CA-P410 color analyzer, LMK surface luminance meter, CR200 color analyzer and CS-200 color analyzer.
5. The device for detecting the color temperature, the brightness and the power of the pipeline display as claimed in claim 1, wherein the display to be tested is connected with a digital variable alternating current power supply, and the digital variable alternating current power supply is used for converting a mains supply into a power supply required by a power test.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121920868.5U CN215767597U (en) | 2021-08-17 | 2021-08-17 | Detection apparatus for assembly line display colour temperature, luminance and power |
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| CN202121920868.5U CN215767597U (en) | 2021-08-17 | 2021-08-17 | Detection apparatus for assembly line display colour temperature, luminance and power |
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