CN1808153A - Method and apparatus for improving electromagnetic interference test for electronic equipment - Google Patents
Method and apparatus for improving electromagnetic interference test for electronic equipment Download PDFInfo
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- CN1808153A CN1808153A CN 200510045692 CN200510045692A CN1808153A CN 1808153 A CN1808153 A CN 1808153A CN 200510045692 CN200510045692 CN 200510045692 CN 200510045692 A CN200510045692 A CN 200510045692A CN 1808153 A CN1808153 A CN 1808153A
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Abstract
The invention relates to an image display device, especially relates to an improvement of the electromagnetic interference testing device of the image display device and the method thereof. The device comprises: a server for storing products according to their category; inputting conditions in first stage for testing electromagnetic interference, and displaying testing results according to the input conditions and solutions detected by the server, an electromagnetic interference testing device is used by user for testing by employing corresponding solutions according to the input condition reason and solution detected form the server; an electronic device for improving electromagnetic interference by employing the solution displayed by the electromagnetic interference testing device.
Description
Affiliated technical field
The present invention relates to image display, particularly relate to the Electromagnetic Interference (hereinafter to be referred as electromagnetic interference (EMI) EMI) that takes place in the image display when testing, Electromagnetic Interference (EMI) test of the image display of can be more effectively electromagnetic interference (EMI) being tested improves device and method.
Background technology
Common so-called electromagnetic wave is exactly that electricity and a kind of electromagnetic energy of frequency field widely of having that takes place in the flowing of electricity come as the speed of sharing the same light ripple with the propagation of per second 300,000 km speed.Electromagnetic wave is categorized as household electricity source frequency 60Hz, extremely low frequency (0 ∽ 1000Hz), low frequency (1 ∽ 500khz), communication frequency { 500khz ∽ 3000MHz: amplitude modulation (AM), frequency modulation (FM), TV (TV) broadcasting }, microwave { 300MHz ∽ 300GHz:G=10 hundred million } etc. according to frequency (vibration number in 1 second), and according to the order of infrared ray, visible rays, ultraviolet ray, X ray, gamma rays, along with high more its destructive power of frequency just increases.
And, so-called electromagnetic interference (EMI) EMI (Electro-Magnetic Interference) is meant in the process of audiovisual TV in the family, during equipment such as use drying equipment, vacuum cleaning apparatus, is that nuclear electromagnetic pulse (NEMP) causes that all electronic equipments produce the phenomenon of misoperation etc. from influencing TV (TV) picture to the electromagnetic wave that is produced by nuclear explosion, and electromagnetic wave influences other equipment phenomenons and is called electromagnetic interference (EMI).
In contrast, promptly do not have anti-interference (Immunity), then be called and have electromagnetic susceptibility EMS (EM-Susceptibility) if an equipment is not influenced by other equipment; And electromagnetic interference (EMI) and electromagnetic susceptibility (EMS) general designation Electro Magnetic Compatibility EMC (EM-Compatibility).What reference can be provided is that Electro Magnetic Compatibility and Electrostatic Discharge have confidential relation.
And electromagnetic wave has great influence to human body, does not also descend total conclusion till now.As expecting confirming that cigarette becomes to such an extent that the reason of lung cancer needs for a long time, to confirming that the correct conclusion of electromagnetic wave to the human influence also needs for a long time, so should need carefully.
This electromagnetic interference (EMI) test, current truth is the various electronic products that each company that is producing comprised Digital Television, in order to overcome stability and the harmfulness influence of electromagnetic wave to product, the method of employing through engineering approaches is tested and is improved electromagnetic interference (EMI) and satisfy the production specification requirement when producing, and detect through outside specification after qualified/underproof the examining of office, only qualified product is produced.
Though the current method that has various improvement to overcome electromagnetic interference (EMI), as to image display inside because the part of various pattern terminal interface becomes various harmful frequency that antenna attracts, the method for improving by the clock of adjusting clock end; By strengthening various subassembly (ASS
1Y) method that ground connection is improved etc., but because its scope too extensively and finish this operation and need the long time, therefore operation is carried out might the product quality of producing being had serious consequences a little accidentally in the process, and becomes the main cause that influences product quality.
Summary of the invention
The present invention develops for the technical matters that solves above-mentioned existence, its objective is to shorten the electromagnetic interference (EMI) test duration.
In addition, another object of the present invention be with product design for minimum time expert imitate satisfy the electromagnetic wave specification requirement.
In order to achieve the above object and Electromagnetic Interference (EMI) test of the image display of the present invention of exploitation improves device, it is to be made of following part that the Electromagnetic Interference of electronic equipment (EMI) test just improves device: in order to store the server that is provided with by the product category solution; The search condition of the abnormality that will produce in the time of will testing electromagnetic interference (EMI) to the initial stage is imported, and when showing testing result after server detects the reason of initial conditions and solution, the user is with reference to reason and solution from the detected initial conditions of server, adopt the solution of corresponding reason, then electromagnetic interference (EMI) is tested again, and the electromagnetic interference (EMI) tester that test result is shown; The solution that employing shows by the electromagnetic interference (EMI) tester is improved the electronic equipment of electromagnetic interference (EMI) test.
Described electromagnetic interference (EMI) tester is to be made of following part: the search condition of the abnormality that produces during for input initial stage test electromagnetic interference (EMI) and the condition entry portion that is provided with; If result's order is found out in user input,, it is controlled and the control part that is provided with then in order to detect reason and solution from server by the exception condition of condition entry portion input; According to the control signal of control part, in order to show and the display part that is provided with from the detected reason of server and solution.
Described display part shows the solution electromagnetic interference (EMI) test result afterwards that employing is shown.
If described reason and the solution that is suitable for being transfused to search condition do not exist, then control part with corresponding product abnormality reason and solution, uploads to server by user's requirement when dealing with problems.
In order to achieve the above object and Electromagnetic Interference (EMI) the test improvement method of the electronic equipment of the present invention of exploitation, Electromagnetic Interference (EMI) the test improvement method of the electronic equipment that can communicate with the server of unusual reason that takes place of storage and solution just, it was made up of the following stage: if the user imports the electromagnetic interference (EMI) test command, then carry out the electromagnetic interference (EMI) test phase; If abnormality has taken place the Electromagnetic Interference Test result, then the search condition of abnormality is carried out input phase; From server, the abnormality occurrence cause and the solution of the search condition that is transfused to are carried out the extraction stage; Reason and the solution extracted are carried out the demonstration stage.
It is input product type name, inner formation plate subassembly (ASS that the search condition of described abnormality is carried out input phase
1Y) conditions such as name, problematic frequency.
Described from server the abnormality occurrence cause of the search condition that is transfused to and solution carry out the extraction stage be with the product type name of user's input the most similarly model, the most similarly plate and current problematic frequency issue-resolution etc. extract after mating to constitute plate with the inside of user's input.
The Electromagnetic Interference of described electronic equipment (EMI) test improvement method also comprises with reference to the reason and the solution that are shown, problem is carried out resolution stage and problem when electromagnetic interference (EMI) being tested again after solving, and the problem of whether finding out is again carried out the judgement stage.
The Electromagnetic Interference of aforesaid electronic equipment of the present invention (EMI) test improves device and method and has following effect:
The first, if abnormality takes place when the test electromagnetic interference (EMI) in the present invention,, therefore can solve problem, thereby shorten the time of dealing with problems with reference to the prompting of experience accumulation experience then owing to the experience of prompting to the similar situation experience accumulation of model.
The second, the present invention points out the solution of corresponding abnormality simultaneously because correct affirmation abnormality takes place, and therefore can more effectively carry out the electromagnetic interference (EMI) test.
The 3rd, can in the shortest time, effectively satisfy the electromagnetic wave specification requirement.
Description of drawings
Fig. 1 is the formation block scheme that Electromagnetic Interference (EMI) test of electronic equipment of the present invention improves device.
Fig. 2 is the Electromagnetic Interference shown in Fig. 1 display part (EMI) test pictures presentation graphs.
Fig. 3 is that Electromagnetic Interference (EMI) test of electronic equipment of the present invention improves method flow diagram.
Among the figure, 100: electronic equipment; 200: the electromagnetic interference (EMI) tester; 201: condition entry portion 202: control part; 203: display part; 300: server (database).
Embodiment
Below, with reference to accompanying drawing, test improves device and method and describes in more detail to the Electromagnetic Interference (EMI) of electronic equipment of the present invention.
Fig. 1 is the formation block scheme that Electromagnetic Interference (EMI) test of electronic equipment of the present invention improves device; Fig. 2 is the Electromagnetic Interference shown in Fig. 1 display part (EMI) test pictures presentation graphs; Fig. 3 is that Electromagnetic Interference (EMI) test of electronic equipment of the present invention improves method flow diagram.
The electromagnetic interference (EMI) test of electronic equipment of the present invention improves device as shown in Figure 1, and it is to be made of following part: in order to store the server 300 that is provided with by the product category solution; The search condition of the abnormality that will produce in the time of will testing electromagnetic interference (EMI) to the initial stage is imported, and when showing testing result after server detects the reason of initial conditions and solution, the user is with reference to reason and solution from the detected initial conditions of server, adopt the solution of corresponding reason, then electromagnetic interference (EMI) is tested again, and the electromagnetic interference (EMI) tester 200 that test result is shown; The solution that employing shows by electromagnetic interference (EMI) tester 200 is improved the electronic equipment 100 of electromagnetic interference (EMI) test.
Described electromagnetic interference (EMI) tester 200 is to be made of following part: the search condition of the abnormality that produces during for input initial stage test electromagnetic interference (EMI) and the condition entry portion 201 that is provided with; If result's order is found out in user input,, it is controlled and the control part 202 that is provided with then in order to detect reason and solution from server 300 by the exception condition of condition entry portion 201 inputs; According to the control signal of control part 202, in order to show the display part 203 that is provided with from server 300 detected reasons and solution, the electromagnetic interference (EMI) test result after the solution that display part is shown employing shows.
The job description that Electromagnetic Interference (EMI) test of the electronic equipment of the present invention that constitutes is as mentioned above improved device is as follows:
After the formation of finishing electronic equipment 100 plates, come into effect the electromagnetic interference (EMI) test.If utilize electromagnetic interference (EMI) tester 200 input electromagnetic interference (EMI) test commands, then carry out test demonstration test result picture as shown in Figure 2 in display part 203 afterwards.
Then, the examiner has watched after display part 203 picture displayed, and the frequency of abnormality takes place in observation, and imports the search condition that abnormality take place by condition entry portion 201.
At this moment, having as the search condition that is transfused to: as model name, inner formation plate subassembly (ASS
1Y) condition of name, problematic frequency etc.If imported search condition by condition entry portion 201, then control part 202 will go out corresponding to abnormal cause that is transfused to search condition and solution by the communication check with server 300, and show in display part 203.
Therefore, the user is with reference to the abnormal cause and the solution that show in display part 203, after dealing with problems with hardware or software, if the electromagnetic interference (EMI) test is implemented again, then whether solve with regard to the problem before confirming, and, can confirm whether to exist new problem again.
That is, as the reason and the solution that in display part 203, show, " the current model of measuring is similar with the A model, and at subassembly (ASS
1Y) corresponding frequencies 974MHz exceeds 2 decibels of contrast specifications (Spec) (db) among the B, so, improve and exceed specification part by strengthening the C partial earth, therefore, wish check and the identical subassembly (ASS of mensuration model
1Y) shielding of B (Shield) situation " etc. information be shown.
Then, the user is to like combinations part (ASS
1Y) shielding of B (Shield) situation is tested.After check,, finished that then this problem is solved if carry out the electromagnetic interference (EMI) test again.But, if other problems takes place again, then search condition is at that time imported by condition entry portion 201 again, therefore can extract reason and solution.
But, reason and solution based on search condition by 201 inputs of condition entry portion are not had in server 300 under the situation of storage, if the examiner has solved this problem, then can upload to server 300 to the generation of new abnormality and reason and the solution that takes place based on new abnormality.
Electromagnetic Interference (EMI) test improvement method to the electronic equipment of the present invention of above-mentioned formation is described as follows with reference to Fig. 3: at first whether the examiner is imported the electromagnetic interference (EMI) test command and judge (S101).
Then,, then carry out electromagnetic interference (EMI) test, and judge (S102) whether abnormality taking place if judged result (S101) has been imported the electromagnetic interference (EMI) test command for the examiner.
If judged result (S102) for abnormality has taken place, is then imported search condition (S103).
Then, the search condition according to input detects reason and solution (S104).
According to testing result (S104), whether exist the reason of corresponding search condition and solution to judge (S105).
Then, if judged result (S105) is the reason and the solution existence of search condition, the solution (S106) of the corresponding reason that then demonstration is retrieved.
Then, adopt the solution (S107) that is shown.
Then, carry out the electromagnetic interference (EMI) test, and, if electromagnetic interference (EMI) is identical with the benchmark of machine setting, then finish (S108 ∽ S109).
In addition, if judged result (S105) does not exist for the reason of search condition and solution, reason of then dealing with problems and solution upload to after the server, enter (S108) stage (S110).
The Electromagnetic Interference of the invention described above electronic equipment (EMI) test improves device and method, to the similar situation of model, with reference to experience to former model experience accumulation, the reason and the solution of abnormality takes place in prompting, the examiner deals with problems in the shortest time with reference to the reason and the solution of prompting.
Claims (8)
1, the apparatus for improving electromagnetic interference test of electronic equipment is characterized in that it is to be made of following part:
In order to store the server that is provided with by the product category solution;
The search condition of the abnormality that will produce in the time of will testing electromagnetic interference (EMI) to the initial stage is imported, and when after the reason of the detected initial conditions of server and solution, showing testing result, the user is with reference to reason and solution from the detected initial conditions of server, adopt the solution of corresponding reason, then electromagnetic interference (EMI) is tested again, and the Electromagnetic Interference Test device that test result is shown;
The solution that employing shows by the Electromagnetic Interference Test device is improved the electronic equipment of Electromagnetic Interference Test.
2, the apparatus for improving electromagnetic interference test of electronic equipment according to claim 1 is characterized in that described Electromagnetic Interference Test device is to be made of following part:
The search condition of the abnormality that produces during for input initial stage test electromagnetic interference (EMI) and the condition entry portion that is provided with;
If result's order is found out in user input,, it is controlled and the control part that is provided with then in order to detect reason and solution from server by the exception condition of condition entry portion input;
According to the control signal of control part, in order to show and the display part that is provided with from the detected reason of server and solution.
3, the apparatus for improving electromagnetic interference test of electronic equipment according to claim 2 is characterized in that described display part shows the solution Electromagnetic Interference Test result afterwards that employing is shown.
4, the Electromagnetic Interference Test of electronic equipment according to claim 2 improves device, if it is characterized in that described reason and the solution that is suitable for being transfused to search condition does not exist, then control part with corresponding product abnormality reason and solution, uploads to server by user's requirement when dealing with problems.
5, the improving electromagnetic interference test method of electronic equipment is characterized in that it is made up of the following stage:
If the user imports the Electromagnetic Interference Test order, then carry out the Electromagnetic Interference Test stage;
If abnormality has taken place the Electromagnetic Interference Test result, then the search condition of abnormality is carried out input phase;
From server, the abnormality occurrence cause and the solution of the search condition that is transfused to are carried out the extraction stage;
Reason and the solution extracted are carried out the demonstration stage.
6, the Electromagnetic Interference Test improvement method of electronic equipment according to claim 5, the search condition that it is characterized in that described abnormality are carried out input phase and are input product type names, innerly constitute plate subassembly name, problematic frequency condition.
7, the Electromagnetic Interference Test improvement method of electronic equipment according to claim 5, it is characterized in that described from server the abnormality occurrence cause of the search condition that is transfused to and solution carry out the extraction stage be with the product type name of user's input the most similarly model, the most similarly plate and current problematic frequency issue-resolution extract after mating to constitute plate with the inside of user's input.
8, the Electromagnetic Interference Test improvement method of electronic equipment according to claim 5 is characterized in that it also comprises with reference to the reason and the solution that are shown, carries out resolution stage to problem; Problem solves when afterwards electromagnetic interference (EMI) being tested again, and the problem of whether finding out is again carried out the judgement stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045692 CN1808153A (en) | 2005-01-19 | 2005-01-19 | Method and apparatus for improving electromagnetic interference test for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045692 CN1808153A (en) | 2005-01-19 | 2005-01-19 | Method and apparatus for improving electromagnetic interference test for electronic equipment |
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| CN1808153A true CN1808153A (en) | 2006-07-26 |
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| CN 200510045692 Pending CN1808153A (en) | 2005-01-19 | 2005-01-19 | Method and apparatus for improving electromagnetic interference test for electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191806B (en) * | 2006-11-29 | 2011-03-30 | 比亚迪股份有限公司 | Apparatus and method for testing automobile electromagnetic sensitivity |
| CN101387680B (en) * | 2008-11-04 | 2011-04-06 | 信息产业部通信计量中心 | Multi-mould radio installation electromagnetical disturbance test system |
| CN101833594B (en) * | 2009-03-12 | 2012-07-18 | 奇景光电股份有限公司 | Method and device for predicting and debugging EMI characteristics in IC system |
| CN102803975A (en) * | 2009-05-08 | 2012-11-28 | 联邦快递公司 | Systems and methods for conducting EMI susceptibility testing |
| WO2018082186A1 (en) * | 2016-11-07 | 2018-05-11 | 深圳Tcl数字技术有限公司 | Emi positioning method and device for television |
| CN108037393A (en) * | 2017-12-14 | 2018-05-15 | 武汉天富海科技发展有限公司 | Monitor the system and method for power electronics equipment key state in forceful electric power magnetic environment |
-
2005
- 2005-01-19 CN CN 200510045692 patent/CN1808153A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191806B (en) * | 2006-11-29 | 2011-03-30 | 比亚迪股份有限公司 | Apparatus and method for testing automobile electromagnetic sensitivity |
| CN101387680B (en) * | 2008-11-04 | 2011-04-06 | 信息产业部通信计量中心 | Multi-mould radio installation electromagnetical disturbance test system |
| CN101833594B (en) * | 2009-03-12 | 2012-07-18 | 奇景光电股份有限公司 | Method and device for predicting and debugging EMI characteristics in IC system |
| CN102803975A (en) * | 2009-05-08 | 2012-11-28 | 联邦快递公司 | Systems and methods for conducting EMI susceptibility testing |
| CN102803975B (en) * | 2009-05-08 | 2015-11-25 | 联邦快递公司 | For carrying out the system and method for EMI susceptibility test |
| WO2018082186A1 (en) * | 2016-11-07 | 2018-05-11 | 深圳Tcl数字技术有限公司 | Emi positioning method and device for television |
| CN108037393A (en) * | 2017-12-14 | 2018-05-15 | 武汉天富海科技发展有限公司 | Monitor the system and method for power electronics equipment key state in forceful electric power magnetic environment |
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| ASS | Succession or assignment of patent right |
Owner name: NANJING LG XINGANG DISPLAY CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS (SHENYANG) CO., LTD. Effective date: 20070518 |
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Effective date of registration: 20070518 Address after: 210038 No. 346 Yao Yao Avenue, Nanjing economic and Technological Development Zone, Jiangsu, China Applicant after: LG Electronics Nanjing Display Co., Ltd. Address before: 110179 35,40, hi tech Development Zone, Liaoning, Shenyang Applicant before: LG Electronic (Shenyang) Co., Ltd. |
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