CN104317686A - Back light testing method and back light testing device for notebook computer - Google Patents
Back light testing method and back light testing device for notebook computer Download PDFInfo
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- CN104317686A CN104317686A CN201410548636.XA CN201410548636A CN104317686A CN 104317686 A CN104317686 A CN 104317686A CN 201410548636 A CN201410548636 A CN 201410548636A CN 104317686 A CN104317686 A CN 104317686A
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Abstract
The invention discloses a back light testing method and a back light testing device and relates to the technical field of notebook computers. The back light testing method comprises the following steps of detecting a power supply of a display screen of the notebook computer according to a back light detection instruction transmitted by the notebook computer to obtain detection data by a back light detecting device; transmitting the detection data to the notebook computer by the back light detection device; judging whether the detection result is normal or not according to the detection data by the notebook computer, if not, sending alarming information, and otherwise, ending the back light detection. According to the back light testing method and the back light testing device disclosed by the invention, the back light stability of the screen of the notebook computer is automatically tested, so that the testing efficiency and the efficiency of analyzing problems are improved, and human resources are greatly saved.
Description
Technical field
The present invention relates to notebook computer technical field, particularly a kind of notebook computer backlight method of testing and device.
Background technology
At PC (Personal Computer, PC) need to test the stability of screen backlight in performance history, the method used at present is tested manually, this wastes a large amount of human resources on the one hand, is unfavorable for obtaining dependent failure information when going wrong on the other hand.
A kind of notebook computer backlight method of testing and device that can automatically test the stability of screen backlight is provided herein for these problems.
Summary of the invention
The object of the present invention is to provide a kind of notebook computer backlight method of testing and device, solve in prior art and need a large amount of human resources because testing manually, and the inefficient problem of problem analysis.
According to an aspect of the present invention, provide a kind of notebook computer backlight method of testing, comprise the following steps:
The backlight that backlight pick-up unit sends according to notebook computer detects instruction, detects the power supply of notebook computer display screen, obtains detecting data;
Detection data are sent to described notebook computer by backlight pick-up unit;
According to described detection data, described notebook computer judges that whether testing result is normal, if abnormal, then send warning message; Otherwise, then terminate backlight and detect.
Preferably, described backlight pick-up unit carries out detection to the power supply of the display screen of notebook computer and comprises:
When described notebook computer cuts out display screen, detect instruction according to the first backlight that notebook computer sends, carry out no-load detection to described display screen supply voltage will be applied to;
When display screen opened by described notebook computer, detecting instruction according to the second backlight that notebook computer sends, having a year detection to being applied to described display screen supply voltage.
Preferably, described detection data comprise the high power supply of notebook computer display screen and the low power supply of notebook computer display screen.
Preferably, when described notebook computer cuts out display screen, according to described detection data, described notebook computer judges whether testing result normally comprises:
When the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judge that testing result is normal;
When the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is abnormal.
Preferably, when display screen opened by described notebook computer, according to described detection data, described notebook computer judges whether testing result normally comprises:
When the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judge that testing result is abnormal;
When the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is normal.
According to a further aspect in the invention, provide a kind of notebook computer backlight proving installation, comprising:
Detection module, the backlight sent according to notebook computer for backlight pick-up unit detects instruction, detects the power supply of notebook computer display screen, obtains detecting data;
Detection data are sent to described notebook computer for backlight pick-up unit by sending module;
According to described detection data, judge module, judges that whether testing result is normal for described notebook computer, if abnormal, then sends warning message; Otherwise, then terminate backlight and detect.
Preferably, described detection module comprises:
First detecting unit, for when described notebook computer cuts out display screen, detects instruction according to the first backlight that notebook computer sends, carries out no-load detection to being applied to described display screen supply voltage;
Second detecting unit, for when display screen opened by described notebook computer, detects instruction according to the second backlight that notebook computer sends, and has a year detection to being applied to described display screen supply voltage.
Preferably, described detection data comprise the high power supply of notebook computer display screen and the low power supply of notebook computer display screen.
Preferably, judge module comprises:
First judging unit, for when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judges that testing result is normal; And when the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is abnormal.
Preferably, judge module also comprises:
Second judging unit, for when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judges that testing result is abnormal; And when the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is normal.
Compared with prior art, beneficial effect of the present invention is:
The present invention, by automatically testing the stability of notebook computer screen backlight, improves the efficiency of test and problem analysis, and saves a large amount of human resources.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of notebook computer backlight method of testing provided by the invention;
Fig. 2 is the schematic diagram of a kind of notebook computer backlight proving installation provided by the invention;
Fig. 3 is the schematic diagram of the notebook computer connection backlight pick-up unit that the embodiment of the present invention provides;
Fig. 4 is the process flow diagram realizing notebook computer backlight method of testing that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Fig. 1 shows the process flow diagram of a kind of notebook computer backlight method of testing provided by the invention, as shown in Figure 1, comprises the following steps:
Step S101: the backlight that backlight pick-up unit sends according to notebook computer detects instruction, detects the power supply of notebook computer display screen, obtains detecting data;
Step S102: detection data are sent to described notebook computer by backlight pick-up unit;
Step S103: according to described detection data, described notebook computer judges that whether testing result is normal, if abnormal, then send warning message; Otherwise, then terminate backlight and detect.
Backlight pick-up unit of the present invention carries out detection to the power supply of the display screen of notebook computer and comprises: when described notebook computer cuts out display screen, detect instruction according to the first backlight that notebook computer sends, carry out no-load detection to described display screen supply voltage will be applied to; When display screen opened by described notebook computer, detecting instruction according to the second backlight that notebook computer sends, having a year detection to being applied to described display screen supply voltage.
Wherein, described detection data comprise the high power supply of notebook computer display screen and the low power supply of notebook computer display screen.When described notebook computer cuts out display screen, according to described detection data, described notebook computer judges whether testing result normally comprises: when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judge that testing result is normal; When the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is abnormal.When display screen opened by described notebook computer, according to described detection data, described notebook computer judges whether testing result normally comprises: when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judge that testing result is abnormal; When the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is normal.
Fig. 2 shows the schematic diagram of a kind of notebook computer backlight proving installation provided by the invention, as shown in Figure 2, comprising: detection module 201, sending module 202, judge module 203.Described detection module 201, the backlight sent according to notebook computer for backlight pick-up unit detects instruction, detects the power supply of notebook computer display screen, obtains detecting data; Detection data are sent to described notebook computer for backlight pick-up unit by described sending module 202; According to described detection data, described judge module 203, judges that whether testing result is normal for described notebook computer, if abnormal, then sends warning message; Otherwise, then terminate backlight and detect.Wherein, described detection module 201 comprises: the first detecting unit, for when described notebook computer cuts out display screen, detect instruction according to the first backlight that notebook computer sends, carry out no-load detection to described display screen supply voltage will be applied to; Second detecting unit, for when display screen opened by described notebook computer, detects instruction according to the second backlight that notebook computer sends, and has a year detection to being applied to described display screen supply voltage.Described judge module 203 comprises: the first judging unit, for when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judges that testing result is normal; And when the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is abnormal.Second judging unit, for when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judges that testing result is abnormal; And when the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is normal.
Detection data of the present invention comprise the high power supply of notebook computer display screen and the low power supply of notebook computer display screen.
The notebook computer that Fig. 3 shows the embodiment of the present invention to be provided connects the schematic diagram of backlight pick-up unit, as shown in Figure 3, comprises notebook-computer side, Single Chip Microcomputer (SCM) system side, USB line and display power supply detection line.Wherein, notebook-computer side comprises display and mainboard; Single Chip Microcomputer (SCM) system side comprises serial ports conversion USB interface chip, serial port chip and Single Chip Microcomputer (SCM) system.Described USB line one end connects the main board for notebook computer of notebook-computer side, and the other end connects Single Chip Microcomputer (SCM) system side, and specifically, the USB line other end is connected described Single Chip Microcomputer (SCM) system via described serial ports conversion USB interface chip with described serial port chip.Described USB line sends to detect instruction and receive Single Chip Microcomputer (SCM) system to Single Chip Microcomputer (SCM) system return to the detection data of notebook computer for transmitting notebook computer.One end of described display power supply detection line connects Single Chip Microcomputer (SCM) system, the other end is connected to and connects notebook computer monitor panel LED power source (LED VDD 20V), notebook display control panel power supply (LCD VDD3.3V), notebook display hot plug power supply (3V HPD).Described Single Chip Microcomputer (SCM) system, as backlight pick-up unit, detects the power supply of notebook computer display screen.
Fig. 4 shows the process flow diagram realizing notebook computer backlight method of testing that the embodiment of the present invention provides, and as shown in Figure 4, comprises notebook-computer side and Single Chip Microcomputer (SCM) system side, specifically comprises the following steps:
Step one: notebook-computer side and Single Chip Microcomputer (SCM) system side software bring into operation;
Step 2: the indicator screen of notebook computer side closure notebook computer;
Step 3: notebook-computer side starts to send the first backlight and detects instruction to Single Chip Microcomputer (SCM) system side;
Step 4: Single Chip Microcomputer (SCM) system side joint detects the power line voltage (high or low) of computer monitor screen after receiving the first backlight detection instruction;
Step 5: testing result is returned to the software of notebook-computer side by Single Chip Microcomputer (SCM) system side;
Step 6: the software of notebook-computer side judges that whether the testing result that Single Chip Microcomputer (SCM) system side returns is normal;
Step 7: if notebook-computer side detects results abnormity, then stop running software, and show miscue in software and the order sending test crash to Single Chip Microcomputer (SCM) system side;
Step 8: the light emitting diode of Single Chip Microcomputer (SCM) system side point shiny red;
Step 9: if notebook-computer side testing result is normal, then open notebook display screen;
Step 10: notebook-computer side starts to send the second backlight and detects instruction to Single Chip Microcomputer (SCM) system side;
Step 11: Single Chip Microcomputer (SCM) system side joint detects the power line voltage (high or low) of computer monitor screen after receiving the second backlight detection instruction;
Step 12: the result of detection is returned to the software of notebook-computer side by Single Chip Microcomputer (SCM) system side;
Step 13: the software of notebook-computer side judges that whether the testing result that Single Chip Microcomputer (SCM) system side returns is normal;
Step 14: if notebook-computer side detects results abnormity, then stop running software, and show miscue in software, and generate report and the order sending test crash to Single Chip Microcomputer (SCM) system side;
Step 15: the light emitting diode of Single Chip Microcomputer (SCM) system side point shiny red;
Step 10 six: if after notebook-computer side detects that result is normal, will circulate.
The present invention opens and closes display backlight test by automatically testing software for a long time to machine, and increase hardware detection module, at each test node, detecting real-time is carried out to the display power supply of tested test-run a machine, thus reach in long-time test process, to find that backlight that embedded controller or circuit abnormality cause can not be lit or can not pent object.
In sum, the present invention has following technique effect:
The present invention, by automatically testing the stability of notebook computer screen backlight, improves the efficiency of test and problem analysis, and saves a large amount of human resources.
Although above to invention has been detailed description, the present invention is not limited thereto, those skilled in the art of the present technique can carry out various amendment according to principle of the present invention.Therefore, all amendments done according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. a notebook computer backlight method of testing, is characterized in that, comprises the following steps:
The backlight that backlight pick-up unit sends according to notebook computer detects instruction, detects the power supply of notebook computer display screen, obtains detecting data;
Detection data are sent to described notebook computer by backlight pick-up unit;
According to described detection data, described notebook computer judges that whether testing result is normal, if abnormal, then send warning message; Otherwise, then terminate backlight and detect.
2. method according to claim 1, is characterized in that, described backlight pick-up unit carries out detection to the power supply of the display screen of notebook computer and comprises:
When described notebook computer cuts out display screen, detect instruction according to the first backlight that notebook computer sends, carry out no-load detection to described display screen supply voltage will be applied to;
When display screen opened by described notebook computer, detecting instruction according to the second backlight that notebook computer sends, having a year detection to being applied to described display screen supply voltage.
3. method according to claim 2, is characterized in that, described detection data comprise the high power supply of notebook computer display screen and the low power supply of notebook computer display screen.
4. method according to claim 3, is characterized in that, when described notebook computer cuts out display screen, according to described detection data, described notebook computer judges whether testing result normally comprises:
When the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judge that testing result is normal;
When the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is abnormal.
5. method according to claim 3, is characterized in that, when display screen opened by described notebook computer, according to described detection data, described notebook computer judges whether testing result normally comprises:
When the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judge that testing result is abnormal;
When the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is normal.
6. a notebook computer backlight proving installation, is characterized in that, comprising:
Detection module, the backlight sent according to notebook computer for backlight pick-up unit detects instruction, detects the power supply of notebook computer display screen, obtains detecting data;
Detection data are sent to described notebook computer for backlight pick-up unit by sending module;
According to described detection data, judge module, judges that whether testing result is normal for described notebook computer, if abnormal, then sends warning message; Otherwise, then terminate backlight and detect.
7. device according to claim 6, is characterized in that, described detection module comprises:
First detecting unit, for when described notebook computer cuts out display screen, detects instruction according to the first backlight that notebook computer sends, carries out no-load detection to being applied to described display screen supply voltage;
Second detecting unit, for when display screen opened by described notebook computer, detects instruction according to the second backlight that notebook computer sends, and has a year detection to being applied to described display screen supply voltage.
8. device according to claim 7, is characterized in that, described detection data comprise the high power supply of notebook computer display screen and the low power supply of notebook computer display screen.
9. device according to claim 8, is characterized in that, judge module comprises:
First judging unit, for when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judges that testing result is normal; And when the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is abnormal.
10. device according to claim 8, is characterized in that, judge module also comprises:
Second judging unit, for when the detection data that described notebook computer receives are low power supplys of notebook computer display screen, then judges that testing result is abnormal; And when the detection data that described notebook computer receives are high power supplys of notebook computer display screen, then judge that testing result is normal.
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| CN201410548636.XA CN104317686B (en) | 2014-10-16 | 2014-10-16 | A kind of notebook computer backlight method of testing and device |
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| CN201410548636.XA CN104317686B (en) | 2014-10-16 | 2014-10-16 | A kind of notebook computer backlight method of testing and device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050151626A1 (en) * | 2002-02-21 | 2005-07-14 | Hyun-Oh Shin | Remote control equipment and a control method thereof |
| CN101389007A (en) * | 2008-09-12 | 2009-03-18 | 深圳市奥拓电子有限公司 | LED display screen operation monitoring method and system |
| CN101719309A (en) * | 2009-11-17 | 2010-06-02 | 西安诺瓦电子科技有限公司 | System and method for monitoring running state of intelligent LED display |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050151626A1 (en) * | 2002-02-21 | 2005-07-14 | Hyun-Oh Shin | Remote control equipment and a control method thereof |
| CN101389007A (en) * | 2008-09-12 | 2009-03-18 | 深圳市奥拓电子有限公司 | LED display screen operation monitoring method and system |
| CN101719309A (en) * | 2009-11-17 | 2010-06-02 | 西安诺瓦电子科技有限公司 | System and method for monitoring running state of intelligent LED display |
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