CN202503612U - Brightness detection apparatus of flat television - Google Patents
Brightness detection apparatus of flat television Download PDFInfo
- Publication number
- CN202503612U CN202503612U CN2011204924903U CN201120492490U CN202503612U CN 202503612 U CN202503612 U CN 202503612U CN 2011204924903 U CN2011204924903 U CN 2011204924903U CN 201120492490 U CN201120492490 U CN 201120492490U CN 202503612 U CN202503612 U CN 202503612U
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Abstract
The utility model relates to a brightness detection apparatus of a flat television. The apparatus comprises a computer, a signal generation device and a brightness detection module; the computer sends an instruction to the signal generation apparatus and the brightness detection module; the signal generation device receives the instruction transmitted by the computer and generates a corresponding test signal and then transmits the test signal to a flat television; and the brightness detection module receives the instruction transmitted by the computer and detects the brightness information of the flat television and then transmits the information to the computer. According to the brightness detection apparatus provided by the utility model, a brightness meter can automatically make position movements at a horizontal direction and a vertical direction according to requirements and brightness collection of test signals of nine windows in an "energy efficiency limiting value and an energy efficiency grade of a flat television" as the state compulsory standard GB24850-2010 is also realized.
Description
Technical field
The utility model relates to a kind of luminance detection device, relates in particular to a kind of panel TV luminance detection device, belongs to display device luminance test field.
Background technology
Current, along with the fast development of digital high-definition television technology, make with the liquid crystal to be the main flow that the panel TV of representative becomes market, got into huge numbers of families.Wherein, brightness is as one of panel TV important performance index, be panel TV carry out all kinds of service checks must survey project.Prior art adopts the fixing panel TV the place ahead that places of transducer to carry out the measurement of fixed position mostly, and this method can only be measured the brightness of panel TV fixed position, can not write down the monochrome information of each position of panel TV respectively.
The utility model content
The utility model to prior art can only one-point measurement deficiency, providing a kind of can move with vertical direction in the horizontal direction, gathers the panel TV luminance detection device of nine window monochrome informations.
The technical scheme that the utility model solves the problems of the technologies described above is following: a kind of panel TV luminance detection device; Comprise computer, signal generation apparatus and brightness detection module, said computer sends and instructs to signal generation apparatus and brightness detection module, and the instruction of said signal generation apparatus receiving computer transmission produces corresponding test signal; And said test signal transferred to panel TV; The monochrome information of the command detection panel TV of said brightness detection module receiving computer transmission, and transfer to computer, reduced the human error that operating process causes; Lower staff's labour intensity, and improved the science and the accuracy of test.
The beneficial effect of the utility model is: the described panel TV luminance detection device of the utility model; Realized that luminance meter does moving of horizontal direction and vertical direction position on request automatically, realized brightness collection nine window test signals among the state compulsory standard GB 24850-2010 " panel TV efficiency limit value and efficiency grade " etc.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, said brightness detection module comprises luminance meter and drive system, and said luminance meter is located on the drive system;
The efficiency nine window control commands of said signal generation apparatus receiving computer transmission; Find corresponding nine window signals and play according to instruction and transfer to panel TV, the instruction that drive system is sent according to computer moves to luminance meter nine positions of nine windows successively;
Nine acquisition instructions that said luminance meter receiving computer transmits respectively, the monochrome information of gathering nine windows of panel TV respectively transfers to computer with monochrome information, and said computer converts monochrome information into brightness data and preserves.
Further, said drive system comprises horizontal gear unit and vertical gear unit, and said vertical gear unit is located on the horizontal gear unit, and on horizontal gear unit, moves horizontally, and said luminance meter is located on the vertical gear unit.
Further, said vertical gear unit comprises vertical servomotor, vertical guide rail, vertical guide rail support, shaft coupling, vertical turn-screw and luminance meter fixed support;
Said vertical guide rail is fixed on the vertical guide rail support, and the control command of said vertical servomotor receiving computer drives vertical turn-screw rotation through the rotation shaft coupling, makes the luminance meter fixed support on vertical guide rail, move vertically to the relevant position by instruction.
Further, said horizontal gear unit comprises horizontal servo motor, horizontal guide rail, horizontal guide rail support, shaft coupling, horizontal turn-screw and base;
Said horizontal guide rail is fixed on the horizontal guide rail support, and the control command of said horizontal servo motor receiving computer drives horizontal turn-screw rotation through the rotation shaft coupling, makes vertical interlocking system on horizontal guide rail, move to the relevant position by commanded level.
Further, said horizontal guide rail support is fixed on the base, said base support drive system.
Luminance meter is tested the reason of nine windows: signal generation apparatus sends nine window signals; Panel TV shows that label is nine windows of P0～P8; Measure the brightness value (measuring position is according to 4.4.4 bar regulation among the SJ/T 11348-2006) on each aspect of P0～P8 with luminance meter; Be designated as L0～L8 respectively, calculate the screen mean flow rate according to formula (A.1):
In the formula:
Li---the brightness that i is ordered, unit is every square metre of (cd/m of candela
2);
The numbering of i---measurement point.
When measuring plasma electric apparent luminance, measure between each some brightness and will switch once full black burst, the time of measuring each some brightness simultaneously can not surpass 1min, with the protection plasma screen.
When L greater than 350cd/m
2The time, should regulate setting backlight (panel TV for there not being independent setting backlight comprises LCD TV and plasm TV, should regulate brightness settings), make L0 (being central point brightness) equal (350 ± 10) cd/m
2Repeating step d continues to measure again.If the limit eight gray scales can not be differentiated after the adjusting brightness settings; Then need regulate the distinguishable state of contrast settings to the limit eight gray scales (if the limit eight gray scales can not be differentiated all the time; Then need regulate contrast settings to relative optimum picture quality), and record brightness and contrast set point.
Write down trade mark, model, aspect ration, screen efficient lighting area of tested panel TV etc.
Description of drawings
Fig. 1 is the utility model embodiment 1 described luminance detection device working state structure block diagram;
Fig. 2 is the left view of the utility model embodiment 1 said drive system;
Fig. 3 is the front view of the utility model embodiment 1 said drive system;
Fig. 4 is the vertical view of the utility model embodiment 1 said drive system.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
Like Fig. 1,2,3, shown in 4; The utility model specific embodiment 1 described a kind of panel TV luminance detection device; Comprise computer 2, signal generation apparatus 3 and brightness detection module 1; Said computer 2 sends and instructs to signal generation apparatus 3 and brightness detection module 1, and the instruction of said signal generation apparatus 3 receiving computers 2 transmission produces corresponding test signal, and said test signal is transferred to panel TV 4; The monochrome information of the command detection panel TV 4 of said brightness detection module 1 receiving computer 2 transmission, and transfer to computer 2.
Said brightness detection module 1 comprises luminance meter 13 and drive system, and said luminance meter 13 is located on the drive system.
Said drive system comprises horizontal gear unit 11 and vertical gear unit 12, and said vertical gear unit 12 is located on the horizontal gear unit 11, and on horizontal gear unit 11, moves horizontally, and said luminance meter 13 is located on the vertical gear unit 12.
Said vertical gear unit 12 comprises vertical servomotor 121, vertical guide rail 123, vertical guide rail support 122, shaft coupling 124, vertical turn-screw 125 and luminance meter fixed support 126; Said vertical guide rail 123 is fixed on the vertical guide rail support 122; The control command of said vertical servomotor 121 receiving computers 2 drives vertical turn-screw 125 rotations through rotation shaft coupling 124, makes luminance meter fixed support 126 on vertical guide rail 123, move vertically to the relevant position by instruction.
Said horizontal gear unit 11 comprises horizontal servo motor 111, horizontal guide rail 113, horizontal guide rail support 112, shaft coupling 114, horizontal turn-screw 115 and base 116; Said horizontal guide rail 113 is fixed on the horizontal guide rail support 112; The control command of said horizontal servo motor 111 receiving computers 2 drives horizontal turn-screw 115 rotations through rotation shaft coupling 114, makes vertical gear unit 12 on horizontal guide rail 113, move to the relevant position by commanded level.
Said horizontal guide rail support 112 is fixed on the base 116, and said base 116 supports drive system.
The efficiency nine window control commands of said signal generation apparatus 3 receiving computers 2 transmission; Find corresponding nine window signals and play according to instruction and transfer to panel TV 4; The instruction that drive system is sent according to computer 2 moves to luminance meter 13 nine positions of nine windows successively; Nine acquisition instructions that said luminance meter 13 receiving computers 2 transmit respectively; Gather the monochrome information of 4 nine windows of panel TV respectively, monochrome information is transferred to computer 2, said computer 2 converts monochrome information into brightness data and preserves.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (6)
1. panel TV luminance detection device; Comprise computer and signal generation apparatus; It is characterized in that, also comprise the brightness detection module, said computer sends and instructs to signal generation apparatus and brightness detection module; The instruction of said signal generation apparatus receiving computer transmission produces corresponding test signal; And said test signal transferred to panel TV, the monochrome information of the command detection panel TV of said brightness detection module receiving computer transmission converts brightness data into, and brightness data is transferred to computer.
2. panel TV luminance detection device according to claim 1 is characterized in that, said brightness detection module comprises luminance meter and drive system, and said luminance meter is located on the drive system;
The efficiency nine window control commands of said signal generation apparatus receiving computer transmission; Find corresponding nine window signals and play according to instruction and transfer to panel TV, the instruction that drive system is sent according to computer moves to luminance meter nine positions of nine windows successively;
Nine acquisition instructions that said luminance meter receiving computer transmits respectively, the monochrome information of gathering nine windows of panel TV respectively transfers to computer with monochrome information, and said computer converts monochrome information into brightness data and preserves.
3. panel TV luminance detection device according to claim 2; It is characterized in that; Said drive system comprises horizontal gear unit and vertical gear unit; Said vertical gear unit activity is located on the horizontal gear unit, and on horizontal gear unit, moves horizontally, and said luminance meter is located on the vertical gear unit.
4. panel TV luminance detection device according to claim 3 is characterized in that, said vertical gear unit comprises vertical servomotor, vertical guide rail, vertical guide rail support, shaft coupling, vertical turn-screw and luminance meter fixed support;
Said vertical guide rail is fixed on the vertical guide rail support, and the control command of said vertical servomotor receiving computer drives vertical turn-screw rotation through the rotation shaft coupling, makes the luminance meter fixed support on vertical guide rail, move vertically to the relevant position by instruction.
5. panel TV luminance detection device according to claim 3 is characterized in that, said horizontal gear unit comprises horizontal servo motor, horizontal guide rail, horizontal guide rail support, shaft coupling, horizontal turn-screw and base;
Said horizontal guide rail is fixed on the horizontal guide rail support, and the control command of said horizontal servo motor receiving computer drives horizontal turn-screw rotation through the rotation shaft coupling, makes vertical gear unit on horizontal guide rail, move to the relevant position by commanded level.
6. panel TV luminance detection device according to claim 5 is characterized in that, said horizontal guide rail support is fixed on the base, said base support drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924903U CN202503612U (en) | 2011-12-01 | 2011-12-01 | Brightness detection apparatus of flat television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924903U CN202503612U (en) | 2011-12-01 | 2011-12-01 | Brightness detection apparatus of flat television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503612U true CN202503612U (en) | 2012-10-24 |
Family
ID=47040210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204924903U Expired - Fee Related CN202503612U (en) | 2011-12-01 | 2011-12-01 | Brightness detection apparatus of flat television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006759A (en) * | 2019-12-25 | 2020-04-14 | 中航华东光电有限公司 | Tool for rapidly testing brightness uniformity |
| CN113670853A (en) * | 2021-07-27 | 2021-11-19 | 浙江大学 | Road surface reflection coefficient detection device and method in haze weather |
-
2011
- 2011-12-01 CN CN2011204924903U patent/CN202503612U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006759A (en) * | 2019-12-25 | 2020-04-14 | 中航华东光电有限公司 | Tool for rapidly testing brightness uniformity |
| CN113670853A (en) * | 2021-07-27 | 2021-11-19 | 浙江大学 | Road surface reflection coefficient detection device and method in haze weather |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |