CN201928389U - Automatic testing system of television function - Google Patents
Automatic testing system of television function Download PDFInfo
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- CN201928389U CN201928389U CN2010206945261U CN201020694526U CN201928389U CN 201928389 U CN201928389 U CN 201928389U CN 2010206945261 U CN2010206945261 U CN 2010206945261U CN 201020694526 U CN201020694526 U CN 201020694526U CN 201928389 U CN201928389 U CN 201928389U
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Abstract
The utility model discloses an automatic testing system of television functions, which comprises a computer system, a signal generator, a power tester and a television system, wherein the computer system is connected with the signal generator to generate all kinds of signal formats and testing charts required by a test and output the signal formats and the testing charts to the television system; the computer system is connected with the television system, informs the television system to complete relevant operations and reads the status and the data fed back by the television system at the same time; and the computer system is connected with the television system through the power tester to acquire the power signal of the television system. The system takes a computer as a central control unit and takes control software as a core component for coordinating all units to work, and automatically judges whether image display and sound output are normal or not by reading the power difference of the power tester. The system does not need an external command input module or manual intervention, and operators are only required to press one key of the computer system to complete the automatic testing of all television functions.
Description
Technical field
The utility model relates to television set functional test technical field, particularly relates to a kind of Auto-Test System of television set function.
Background technology
Television set is the household electrical appliance of being used always in people's daily life, and along with the continuous progress of TV tech and the continual renovation of tv product are regenerated, television function is also more and more, and television set need carry out functional test to television set usually after manufacturing is finished.Fig. 1 is the system block diagram of existing television set functional test, the software that prior art is actually with original TV is that the basis has increased autorun, need instruction input module (generally being remote signal or push button signalling) and open the automatic test action that TV carries, need simultaneously manually to judge whether the signal of demonstration is normal.Test signal automaticallyes switch, but whether function normally still needs artificial judgement, can't automatically finish the automatic test of TV functions.
Because existing TV generally all has: numerous passages such as HDMI, Component, VGA, CVBS, RF, under the prior art condition, need to judge by artificial, not only check, judgement personnel's technical merit is had relatively high expectations, and be easy to generate fatigue, omission, thereby bring bigger hidden danger of quality.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of Auto-Test System of television set function is provided, this system is as central control unit with computer, with the core component of Control Software as each cell operation of coordination, difference power by the readout power tester come automatic process decision chart to resemble to show and voice output whether normal, this system need not external instruction input module, need not manual intervention, the button that operating personnel only need push computer system can be finished the test of all TV functions, operating personnel be need not professional training, can automatically finish the automatic test of TV functions.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of Auto-Test System of television set function comprises:
One computer system is provided with signal excitation module, power signal acquisition module, signal processing module and signal controlling module in it; Signal processing module is connected with signal excitation module, power signal acquisition module and signal controlling module respectively;
One signal generator is used for producing needed various signal formats of system testing and test collection of illustrative plates;
One power measuring is used for reading the complete machine power of television system;
One television system;
Computer system is connected with signal generator by an one RS232 serial ports, and the signal excitation module in the computer system is defeated by signal generator with pumping signal, produces needed various signal formats of system testing and test collection of illustrative plates by signal generator; Signal generator is connected with the corresponding port of television system by its output port, and signal generator is to television system output corresponding signal format and test collection of illustrative plates; Computer system is connected with television system by its another RS232 serial ports, and the signal controlling module in the computer system is exported control signal to television system, and the notice television system is finished state and the data that the television system feedback is read in relevant operation simultaneously; Power measuring is connected with television system by electric power connection line, and power measuring obtains the power signal of television system; Another RS232 serial ports is connected with power measuring computer system by it, and the power signal acquisition module in the computer system is gathered the power signal of power measuring;
The performance number that this signal processing module is defeated by the power signal acquisition module compares judgement, and the corresponding judged result of output is given the display screen of computer system.
The output port of described signal generator comprises radio frequency output, composite video signal output, component signal output, the output of VGA signal and the output of HDMI signal.
The Auto-Test System of a kind of television set function of the present utility model, it is the process of test automatically, comprises the steps:
A. system initialization;
B. computer system is exported control signal to television system, by television system the signal of its reception is switched to the signalling channel current to be tested that sets in advance;
C. computer system is exported current signal format to be tested to predefined pumping signal of signal generator output by signal generator, exports the skip test collection of illustrative plates corresponding to the current demand signal form simultaneously; Computer system is exported control signal to television system, and the notice television system enters mute state;
D. television system detection signal form and correctly shows signal picture;
E. television system is to the computer system output feedback signal, to the demonstration situation of computer report current demand signal;
F. the power of computer system readout power tester, first performance number when obtaining the television system mute state under the input of skip test figure spectrum signal;
G. computer system is to signal generator output drive signal, and notification signal generator output is corresponding to the non-blank-white test collection of illustrative plates of current demand signal form;
H. the power of computer system readout power tester, second performance number when obtaining the television system mute state under the input of non-blank-white resolution chart spectrum signal;
I. computer system is exported control signal to television system, and the notice television system is removed quiet;
J. the power of computer system readout power tester, the 3rd performance number when obtaining the non-mute state of television system under the input of non-blank-white resolution chart spectrum signal;
K. judge the demonstration situation of current voice output and picture by computer system and the comparative result of the current demand signal form under the current test channel is kept in the memory cell of computer system; When second performance number during greater than first performance number, the picture of television system is shown as normally, otherwise is undesired; When the 3rd performance number during greater than second performance number, the voice output of television system is normal, otherwise is undesired;
L. whether computer system is judged to have tested when all signal formats of prepass and is finished, if tested then enter next step, otherwise determines next test signal form and returns step c;
M. computer system is judged whether all passages have been tested and is finished, if tested then enter next step, otherwise determines next test channel and returns step b;
N. EOT, computer system access the test result of all signal formats of all passages from memory cell and the display unit of exporting to computer system is shown.
The Auto-Test System of a kind of television set function of the present utility model is as central control unit, with the core component of Control Software as each cell operation of coordination with computer; The computer expert crosses first RS232 serial ports and signal generator carries out communication, is used to produce needed various signal formats of system testing and test collection of illustrative plates; The computer expert crosses second RS232 serial ports and power measuring carries out communication, is used to read the complete machine power of television system, shows as signal or voice output normal criterion whether with this; The computer expert crosses the 3rd RS232 serial ports and television system is carried out communication, is used to notify television system to finish state and data that the television system feedback is read in relevant operation simultaneously; Radio frequency (RF) output of signal generator, composite video signal (CVBS) output, component signal (Component) output, the output of VGA signal, the output of HDMI signal etc. are inserted each signal input port of TV simultaneously, the audio output signal of signal generator is inserted each audio signal input end mouth of TV.
The beneficial effects of the utility model are, owing to adopted computer system, signal generator, power measuring and television system constitute the Auto-Test System of television set function, automatically test is as central control unit with computer, with the core component of Control Software as each cell operation of coordination, difference power by the readout power tester come automatic process decision chart to resemble to show and voice output whether normal, this system need not external instruction input module, need not manual intervention, the button that operating personnel only need push computer system can be finished the test of all TV functions, operating personnel be need not professional training, can automatically finish the automatic test of TV functions.
Below in conjunction with drawings and Examples the utility model is described in further detail; But the Auto-Test System of a kind of television set function of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the system block diagram of existing television set functional test;
Fig. 2 is the system block diagram of Auto-Test System of the present utility model.
Embodiment
Embodiment, referring to shown in Figure 2, the Auto-Test System of a kind of television set function of the present utility model comprises:
One computer system 1 is provided with signal excitation module 11, power signal acquisition module 12, signal processing module 13 and signal controlling module 14 in it; Signal processing module 13 is connected with signal excitation module 11, power signal acquisition module 12 and signal controlling module 14 respectively;
One signal generator 2 is used for producing needed various signal formats of system testing and test collection of illustrative plates;
One power measuring 3 is used for reading the complete machine power of television system;
One television system 4;
The performance number that 13 pairs of power signal acquisition modules 12 of this signal processing module are defeated by compares judgement, and the corresponding judged result of output is given the display screen of computer system.
The output port of described signal generator 2 comprises radio frequency output, composite video signal output, component signal output, the output of VGA signal and the output of HDMI signal.
The Auto-Test System of a kind of television set function of the present utility model, its test process comprises the steps:
A. system initialization;
B. computer system is exported control signal to television system, by television system the signal of its reception is switched to the signalling channel current to be tested that sets in advance;
C. computer system is exported current signal format to be tested to predefined pumping signal of signal generator output by signal generator, exports the skip test collection of illustrative plates corresponding to the current demand signal form simultaneously; Computer system is exported control signal to television system, and the notice television system enters mute state;
D. television system detection signal form and correctly shows signal picture;
E. television system is to the computer system output feedback signal, to the demonstration situation of computer report current demand signal;
F. the power of computer system readout power tester, first performance number when obtaining the television system mute state under the input of skip test figure spectrum signal;
G. computer system is to signal generator output drive signal, and notification signal generator output is corresponding to the non-blank-white test collection of illustrative plates of current demand signal form;
H. the power of computer system readout power tester, second performance number when obtaining the television system mute state under the input of non-blank-white resolution chart spectrum signal;
I. computer system is exported control signal to television system, and the notice television system is removed quiet;
J. the power of computer system readout power tester, the 3rd performance number when obtaining the non-mute state of television system under the input of non-blank-white resolution chart spectrum signal;
K. judge the demonstration situation of current voice output and picture by computer system and the comparative result of the current demand signal form under the current test channel is kept in the memory cell of computer system; When second performance number during greater than first performance number, the picture of television system is shown as normally, otherwise is undesired; When the 3rd performance number during greater than second performance number, the voice output of television system is normal, otherwise is undesired;
L. whether computer system is judged to have tested when all signal formats of prepass and is finished, if tested then enter next step, otherwise determines next test signal form and returns step c;
M. computer system is judged whether all passages have been tested and is finished, if tested then enter next step, otherwise determines next test channel and returns step b;
N. EOT, computer system access the test result of all signal formats of all passages from memory cell and the display unit of exporting to computer system is shown.
The Auto-Test System of a kind of television set function of the present utility model is as central control unit, with the core component of Control Software as each cell operation of coordination with computer; The computer expert crosses first RS232 serial ports and signal generator carries out communication, is used to produce needed various signal formats of system testing and test collection of illustrative plates; The computer expert crosses second RS232 serial ports and power measuring carries out communication, is used to read the complete machine power of television system, shows as signal or voice output normal criterion whether with this; The computer expert crosses the 3rd RS232 serial ports and television system is carried out communication, is used to notify television system to finish state and data that the television system feedback is read in relevant operation simultaneously; Radio frequency (RF) output of signal generator, composite video signal (CVBS) output, component signal (Component) output, the output of VGA signal, the output of HDMI signal etc. are inserted each signal input port of TV simultaneously, the audio output signal of signal generator is inserted each audio signal input end mouth of TV.
Judge whether picture shows normally: system elder generation notification signal generator output signal format is as the skip test collection of illustrative plates of HDMI1080i@60Hz, television system automatic detection signal and normal demonstration return to the information of computer " semaphore lock " simultaneously, be shown as complete deceiving at the video screen picture, computer system is noted the power reading A1 (i.e. first performance number) of the power measuring of this moment; System reinforms signal generator output non-blank-white test collection of illustrative plates (being generally color bar signal), television system reports that once more " semaphore lock " shows that on video screen computer system is noted the power reading A2 (i.e. second performance number) of power measuring once more simultaneously." semaphore lock " sign by twice of front and back just can decision signal whether by the normal identification of television system and show; Because the power that the power that the non-blank-white collection of illustrative plates produces is produced greater than the skip test collection of illustrative plates certainly, watt level A2 that obtains and A1 also must satisfy A2＞A1 and A1 near but be slightly larger than power when not having signal, so system just can judge whether picture shows normally by calculating A=A2-A1, normal as A＞0 item, otherwise undesired.Computer system so changes the signal format of output more repeatedly by notification signal generator, cooperate the notice television system to switch corresponding passage again and finish signal format, the picture function test of television channel one by one one by one.
Judge whether voice output is normal: system elder generation notification signal generator output signal format is as the fixing test collection of illustrative plates (being generally colour bar) of HDMI1080i@60Hz, detect the correct demonstration of television system and make TV be in mute state simultaneously, the reading S1 (i.e. second performance number) of elder generation of system readout power tester; System reinforms television system and removes mute state, and normal output audio signal guarantees that the volume of TV is in value of setting (as 30) of the acquiescence of dispatching from the factory, and system is the reading S2 of readout power tester (i.e. the 3rd performance number) again.Whether normally system judges sound output by calculating S=S2-S1, item normal as S＞0, otherwise undesired.Computer system more so repeatedly notification signal generator change the signal output format, cooperate the notice television system to switch corresponding passage again and come signal format, the test of the voice output of television channel one by one one by one.Above-mentioned S1=A2.
The foregoing description only is used for further specifying the Auto-Test System of a kind of television set function of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. the Auto-Test System of a television set function is characterized in that: comprising:
One computer system is provided with signal excitation module, power signal acquisition module, signal processing module and signal controlling module in it; Signal processing module is connected with signal excitation module, power signal acquisition module and signal controlling module respectively;
One signal generator is used for producing needed various signal formats of system testing and test collection of illustrative plates;
One power measuring is used for reading the complete machine power of television system;
One television system;
Computer system is connected with signal generator by an one RS232 serial ports, and the signal excitation module in the computer system is defeated by signal generator with pumping signal, produces needed various signal formats of system testing and test collection of illustrative plates by signal generator; Signal generator is connected with the corresponding port of television system by its output port, and signal generator is to television system output corresponding signal format and test collection of illustrative plates; Computer system is connected with television system by its another RS232 serial ports, and the signal controlling module in the computer system is exported control signal to television system, and the notice television system is finished state and the data that the television system feedback is read in relevant operation simultaneously; Power measuring is connected with television system by electric power connection line, and power measuring obtains the power signal of television system; Another RS232 serial ports is connected with power measuring computer system by it, and the power signal acquisition module in the computer system is gathered the power signal of power measuring;
The performance number that this signal processing module is defeated by the power signal acquisition module compares judgement, and the corresponding judged result of output is given the display screen of computer system.
2. electromagnetic relay according to claim 1 is characterized in that: the output port of described signal generator comprises radio frequency output, composite video signal output, component signal output, the output of VGA signal and the output of HDMI signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206945261U CN201928389U (en) | 2010-12-30 | 2010-12-30 | Automatic testing system of television function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206945261U CN201928389U (en) | 2010-12-30 | 2010-12-30 | Automatic testing system of television function |
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| CN201928389U true CN201928389U (en) | 2011-08-10 |
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| CN2010206945261U Expired - Lifetime CN201928389U (en) | 2010-12-30 | 2010-12-30 | Automatic testing system of television function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572503A (en) * | 2010-12-30 | 2012-07-11 | 厦门华侨电子股份有限公司 | Automatic test system for functions of television set and method thereof |
| CN103152603A (en) * | 2013-04-09 | 2013-06-12 | 福建省产品质量检验研究院 | Video image APL (array processing language) analysis device and test method for flat television energy consumption test |
| CN104730301A (en) * | 2015-04-07 | 2015-06-24 | 京东方科技集团股份有限公司 | Signal source |
-
2010
- 2010-12-30 CN CN2010206945261U patent/CN201928389U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572503A (en) * | 2010-12-30 | 2012-07-11 | 厦门华侨电子股份有限公司 | Automatic test system for functions of television set and method thereof |
| CN102572503B (en) * | 2010-12-30 | 2014-04-02 | 厦门华侨电子股份有限公司 | Automatic test system for functions of television set and method thereof |
| CN103152603A (en) * | 2013-04-09 | 2013-06-12 | 福建省产品质量检验研究院 | Video image APL (array processing language) analysis device and test method for flat television energy consumption test |
| CN104730301A (en) * | 2015-04-07 | 2015-06-24 | 京东方科技集团股份有限公司 | Signal source |
| CN104730301B (en) * | 2015-04-07 | 2017-12-08 | 京东方科技集团股份有限公司 | A kind of signal source |
| US10567750B2 (en) | 2015-04-07 | 2020-02-18 | Boe Technology Group Co., Ltd. | Signal source for electromagnetic interference test of display devices |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN XIAHUA INVESTMENT CO., LTD. Free format text: FORMER OWNER: XIAMEN OVERSEAS CHINESE ELECTRONIC CO., LTD. Effective date: 20140612 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140612 Address after: 361000 Fujian, Xiamen Lake District, Jiahe Road, building 505, room five, room 618 Patentee after: Xiamen Xiahua Investment Co., Ltd. Address before: 361000 No. 22 Huli Avenue, Fujian, Xiamen Patentee before: Xiamen Overseas Chinese Electronic Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Science and Technology Ltd. of Xiahua Assignor: Xiamen Xiahua Investment Co., Ltd. Contract record no.: 2015350000036 Denomination of utility model: Automatic test system for functions of television set and method thereof Granted publication date: 20110810 License type: Exclusive License Record date: 20150514 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170727 Address after: 361000, No. 618, Jiahe Road, Huli District, Fujian, Xiamen Patentee after: Xiamen Science and Technology Ltd. of Xiahua Address before: 361000 Fujian, Xiamen Lake District, Jiahe Road, building 505, room five, room 618 Patentee before: Xiamen Xiahua Investment Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |