CN104101826A - Electronic device, and electrostatic discharge test system and method - Google Patents
Electronic device, and electrostatic discharge test system and method Download PDFInfo
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- CN104101826A CN104101826A CN201310121107.7A CN201310121107A CN104101826A CN 104101826 A CN104101826 A CN 104101826A CN 201310121107 A CN201310121107 A CN 201310121107A CN 104101826 A CN104101826 A CN 104101826A
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- circuit component
- esd
- pcb board
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Abstract
Disclosed is an electrostatic discharge test system which operates on an electronic device so as to detect a PCB. The test system includes a wiring information obtaining module, an ESD test module, an analysis module and a display control module. The ESD test module determines circuit assemblies which pass ESD check according to wiring information of the PCB, read by the wiring information obtaining module. According to the obtained wiring information and the determined circuit assemblies, the analysis module determines circuit assemblies which do not pass the ESD check and positions of the circuit assemblies. The display control module controls the electronic device to carry out identification display of the circuit assemblies which do not pass the ESD check at corresponding positions of the wiring information. The invention also provides the electronic device and an electrostatic discharge test method. According to a PCB circuit, the circuit assemblies which do not pass the ESD test are determined so that a possibility of a plurality of follow-up reworks is reduced and man hours and manual cost are reduced effectively.
Description
Technical field
The present invention relates to static discharge (ESD, Electro-Static discharge) test, relate in particular to a kind of electronic installation, electrostatic discharge testing system and method.
Background technology
Existing personal computer or mobile computer, in order to have better convenience and extendibility, are all equipped with a plurality of external-connected ports, as USB Port etc.Due to such device, support the functions such as hot plug, when the process Computer of operating system may be subject to attacking because user plugs the static discharge that external equipment produces, and cause system to work as machine or data degradation.Therefore, various computing machines all must be by electrostatic discharge testing, to guarantee that system can be because of ESD(static discharge, Electro-Static discharge now) attack and cause the system failure.
In the test of existing ESD, conventionally be all, after circuit board wiring completes, circuit board is carried out to ESD test, if circuit board does not pass through electrostatic test, tester need to find out the chip being damaged by ESD, for actual conditions, chip is carried out to Layout modification again, with this, reduce the injury of ESD to circuit board.Yet, concerning tester, find out the chip being damaged by ESD quite time-consuming.And while resurveying revised circuit board, if yet by electrostatic test, need to reform, heavy industry causes man-hour human cost significantly to rise again.
Summary of the invention
In view of this, be necessary to provide a kind of electronic installation, electrostatic discharge testing system and method, to find out efficiently and may suffer ESD to attack impaired chip fast, the minimizing later stage is the possibility of heavy industry repeatedly, thereby improve existing ESD testing process, effectively reduce man-hour and human cost.
The invention provides a kind of electrostatic discharge testing system, this test macro runs on an electronic installation, and for the pcb board being connected with this electronic installation is carried out to electrostatic discharge testing, this test macro comprises:
Line information acquisition module, for reading the wiring information of this pcb board and the wiring information of pcb board being stored in to the storage unit of electronic installation, this wiring information comprises line name, circuit component and position.
ESD test module, the wiring information of obtaining according to this line information acquisition module is carried out ESD test and is passed through the circuit component of ESD verification to determine, and this circuit component information of passing through ESD verification of determining is stored in the storage unit of electronic installation.
Analysis module, for the wiring information of the pcb board being obtained by this line information acquisition module that this storage unit is stored and determined not by circuit component and the position on this pcb board thereof of ESD verification by the definite circuit component analysis of this ESD test cell.And
Display control module, for obtain that this analysis module determines not by circuit component and the position on this pcb board thereof of ESD verification, and control the wiring information that this electronic installation shows this pcb board, and on the correspondence position of this wiring information, this is not identified to demonstration by the circuit component of ESD verification.
The present invention also provides a kind of electronic installation, comprises processing unit, storage unit and display unit, and this processing unit is connected with a pcb board and this storage unit, and this processing unit comprises:
Line information acquisition module, for reading the wiring information of this pcb board and the wiring information of pcb board being stored in to this storage unit, this wiring information comprises line name, circuit component and position.
ESD test module, the wiring information of obtaining according to this line information acquisition module is carried out ESD test and is passed through the circuit component of ESD verification to determine, and this circuit component information of passing through ESD verification of determining is stored in this storage unit.
Analysis module, for the wiring information of the pcb board being obtained by this line information acquisition module that this storage unit is stored and determined not by circuit component and the position on this pcb board thereof of ESD verification by the definite circuit component analysis of this ESD test cell.And
Display control module, for obtain that this analysis module determines not by circuit component and the position on this pcb board thereof of ESD verification, and control the wiring information that this display unit shows this pcb board, and on the correspondence position of this wiring information, this is not identified to demonstration by the circuit component of ESD verification.
The present invention also provides a kind of static discharge test method, is applied to an electronic installation, comprising:
Set up the communication connection of pcb board and this electronic installation.
Read the wiring information of this pcb board and store this wiring information, this wiring information comprises line name, circuit component and the position of this pcb board.
This wiring information is carried out to ESD test to determine the circuit component by ESD verification and to store this definite circuit component.
Analyze this wiring information and the definite circuit component that passes through ESD verification to determine not by circuit component and the position on this pcb board thereof of ESD verification.And
Obtain that this determines not by circuit component and the position on this pcb board thereof of ESD verification, and on the correspondence position of this wiring information, this is not identified to demonstration by the circuit component of ESD verification.
With respect to prior art, electronic installation provided by the invention, electrostatic discharge testing system and method, by analytic unit, the circuit analysis of pcb board is determined the circuit component of not testing by ESD, reduce pcb board and carry the later stage possibility of heavy industry repeatedly, thereby improve existing ESD testing process, effectively reduce man-hour and human cost.
Accompanying drawing explanation
Fig. 1 is the hardware structure figure of the electrostatic discharge testing system of an embodiment of the present invention.
Fig. 2 is the functional block diagram of the electrostatic discharge testing system of an embodiment of the present invention.
Fig. 3 is the process flow diagram that the present invention realizes static discharge test method.
Main element symbol description
| Electrostatic discharge testing system | 10 |
| Line information acquisition module | 11 |
| ESD test module | 12 |
| Analysis module | 13 |
| Display control module | 14 |
| Electronic installation | 20 |
| Processing unit | 21 |
| Storage unit | 22 |
| Display unit | 23 |
| Pcb board | 30 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Please, simultaneously referring to Fig. 1,2, be the Organization Chart of the electrostatic discharge testing system of an embodiment of the present invention.This electrostatic discharge testing system 10 is applied in an electronic installation 20, and wherein, this electronic installation 20 comprises processing unit 21 and storage unit 22, and this processing unit 21 is connected with this pcb board 30 and storage unit 22.This processing unit 21 is for moving this electrostatic discharge testing system 10 so that the pcb board 30 being connected with this electronic installation 20 is detected.This electronic installation 20 can be PC, server etc.
As shown in Figure 2, this electrostatic discharge testing system 10 comprises line information acquisition module 11, ESD test module 12 and analysis module 13.
Wherein, this line information acquisition module 11 is for reading the wiring information of pcb board 30, and control is stored in this wiring information in storage unit 22.This wiring information comprises each line name, circuit component and the position on this pcb board 30 of pcb board 30.The wiring information that this ESD test module 12 obtains according to line information acquisition module 11 is carried out ESD test to this wiring information, thereby determine by ESD verification and each circuit component and the circuit component that have characterized by ESD, be the electric parameter under safe operation state, ESD test module 12 is stored in test result in this storage unit 22.Wherein, this ESD test module 12 determines that according to the impedance path of circuit component whether it is by ESD verification, wherein, and the arrangement track of the impedance operator that impedance path is circuit component in wiring diagram layer.Concrete, when being more than or equal to a predetermined value, the impedance path of a certain circuit component of this ESD test module 12 judgement determines that the ESD verification of this circuit component passes through, if be less than this predetermined value, judgement is not passed through.
Wiring information and the definite test result of this ESD test module 12 of the pcb board 30 that this analysis module 13 obtains for this line information acquisition module 11 that storage unit 22 is stored are analyzed, thereby determine by circuit component and the position on this pcb board 30 thereof of ESD verification.
This electrostatic discharge testing system 10 also comprises display control module 14, and this electronic installation 20 also comprises display unit 23.This display control module 14 for obtain that this analysis module 13 determines not by circuit component and the position on this pcb board 30 thereof of ESD verification, and control the line layout information that display unit 23 shows these pcb boards 30, and on the correspondence position of this wiring information, this is not identified to demonstration by the circuit component of ESD verification.Thereby, for tester provides the accurate location that does not pass through the circuit component of ESD verification, facilitate tester to modify to the wiring of this pcb board 30 and circuit component.And after completing the wiring of this pcb board 30 and the modification of circuit component, tester continue to utilize 10 pairs of amended pcb boards 30 of this electrostatic discharge testing system to carry out electrostatic discharge testing until all circuit components pass through ESD verification.
In the present embodiment, this display control module 14 control to be presented on display unit 23 this not the color of the circuit component by ESD verification identify demonstration, thereby be different from other, pass through the circuit component of ESD verification.
In the present embodiment, line information acquisition module 11, ESD test module 12 and analysis module 13 and display control module 14 run on this processing unit 21.In other embodiments, this line information acquisition module 11, ESD test module 12 and analysis module 13 and display control module 14 are for to solidify in the hardware cell of processing unit 21.
Referring to Fig. 3, is the process flow diagram of realizing static discharge test method under an embodiment of the present invention.The method comprises:
Step S40, connects a pcb board 30 to be detected with the electronic installation 20 of this electrostatic discharge testing system 10 of operation.
Step S41, line information acquisition module 11 reads the wiring information of the pcb board 30 being connected with this electronic installation 20, and control is stored in storage unit 22 by this wiring information.This wiring information comprises each line name, circuit component and the position on this pcb board 30 of pcb board 30.
Step S42, the wiring information that ESD test module 12 obtains according to line information acquisition module 11 is carried out ESD test to this wiring information, thereby determine by ESD verification and each circuit component and the circuit component that have characterized by ESD, be the electric parameter under safe operation state, and test result is stored in storage unit 22.
Wherein, this ESD test module 12 determine that it is whether by ESD verification, the arrangement track of the impedance operator that impedance path is circuit component in wiring diagram layer according to the impedance path of circuit component.Concrete, when being more than or equal to a predetermined value, the impedance path of a certain circuit component of this ESD test module 12 judgement determines that the ESD verification of this circuit component passes through, if be less than this predetermined value, judgement is not passed through.
Step S43, wiring information and the definite test result of this ESD test module 12 of the pcb board 30 that in 13 pairs of storage unit 22 of this analysis module, this line information acquisition module 11 of storage obtains are analyzed, thereby determine not by circuit component and the position on this pcb board 30 thereof of ESD verification.
Step S44, this display control module 14 obtain that this analysis module 13 determines not by circuit component and the position on this pcb board 30 thereof of ESD verification, and control the line layout information that display unit 23 shows these pcb boards 30, and on the correspondence position of this wiring information, this is not identified to demonstration by the circuit component of ESD verification.
In the present embodiment, this display control module 14 control to be presented on display unit 23 this not the color of the circuit component by ESD verification identify demonstration, thereby be different from other, pass through the circuit component of ESD verification.
Use above-mentioned electrostatic discharge testing system and method, by analytic unit, the circuit analysis of pcb board is determined the circuit component of not testing by ESD, reduce pcb board and carry the later stage possibility of heavy industry repeatedly, thereby improve existing ESD testing process, effectively reduce man-hour and human cost.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection domain of the claims in the present invention.
Claims (10)
1. an electrostatic discharge testing system, described test macro runs on an electronic installation, for the pcb board being connected with described electronic installation is carried out to electrostatic discharge testing, it is characterized in that, and described test macro comprises:
Line information acquisition module, for reading the wiring information of described pcb board and the wiring information of pcb board being stored in to the storage unit of electronic installation, described wiring information comprises line name, circuit component and position;
ESD test module, the wiring information of obtaining according to described line information acquisition module is carried out ESD test and is passed through the circuit component of ESD verification to determine, and the described circuit component information of passing through ESD verification of determining is stored in the storage unit of electronic installation;
Analysis module, for the wiring information of the pcb board being obtained by described line information acquisition module that described storage unit is stored and determined not by circuit component and the position on described pcb board thereof of ESD verification by the definite circuit component analysis of described ESD test cell; And
Display control module, for obtain that described analysis module determines not by circuit component and the position on described pcb board thereof of ESD verification, and control the wiring information that described electronic installation shows described pcb board, and on the correspondence position of described wiring information, the described not circuit component by ESD verification is identified to demonstration.
2. electrostatic discharge testing system as claimed in claim 1, is characterized in that, described ESD test module determines that according to the impedance path of circuit component whether described circuit component is by ESD verification.
3. electrostatic discharge testing system as claimed in claim 2, it is characterized in that, when the impedance path of described ESD test module decision circuitry element is more than or equal to a predetermined value, determine that the ESD verification of described circuit component passes through, when the impedance path of described circuit component is less than described predetermined value, determine that described circuit component is by ESD verification.
4. electrostatic discharge testing system as claimed in claim 1, is characterized in that, described in described display control module changes, the color of the circuit component by ESD verification does not identify demonstration.
5. an electronic installation, comprises processing unit, storage unit and display unit, and described processing unit is connected with a pcb board and described storage unit, it is characterized in that, described processing unit comprises:
Line information acquisition module, for reading the wiring information of described pcb board and the wiring information of pcb board being stored in to described storage unit, described wiring information comprises line name, circuit component and position;
ESD test module, the wiring information of obtaining according to described line information acquisition module is carried out ESD test and is passed through the circuit component of ESD verification to determine, and the described circuit component information of passing through ESD verification of determining is stored in described storage unit;
Analysis module, for the wiring information of the pcb board being obtained by described line information acquisition module that described storage unit is stored and determined not by circuit component and the position on described pcb board thereof of ESD verification by the definite circuit component analysis of described ESD test cell; And
Display control module, for obtain that described analysis module determines not by circuit component and the position on described pcb board thereof of ESD verification, and control the wiring information that described display unit shows described pcb board, and on the correspondence position of described wiring information, the described not circuit component by ESD verification is identified to demonstration.
6. electronic installation as claimed in claim 5, is characterized in that, described ESD test module determines that according to the impedance path of circuit component whether described circuit component is by ESD verification.
7. electronic installation as claimed in claim 6, it is characterized in that, when the impedance path of described ESD test module decision circuitry element is more than or equal to a predetermined value, determine that the ESD verification of described circuit component passes through, when the impedance path of described circuit component is less than described predetermined value, determine that described circuit component is by ESD verification.
8. a static discharge test method, is applied to an electronic installation, comprising:
Set up the communication connection of pcb board and described electronic installation;
Read the wiring information of described pcb board and store described wiring information, described wiring information comprises line name, circuit component and the position of described pcb board;
Described wiring information is carried out to ESD test to determine the circuit component by ESD verification and to store described definite circuit component;
Analyze described wiring information and the definite circuit component that passes through ESD verification to determine not by circuit component and the position on described pcb board thereof of ESD verification; And
Obtain described definitely not by circuit component and the position on described pcb board thereof of ESD verification, and on the correspondence position of described wiring information, the described not circuit component by ESD verification is identified to demonstration.
9. static discharge test method as claimed in claim 8, it is characterized in that, described " described wiring information is carried out to ESD test to determine the circuit component by ESD verification and to store described definite circuit component " comprises according to the impedance path of circuit component and determines that whether described circuit component is by ESD verification.
10. static discharge test method as claimed in claim 9, it is characterized in that, when the impedance path of described circuit component is more than or equal to a predetermined value, determine that the ESD verification of described circuit component passes through, when the impedance path of described circuit component is less than described predetermined value, determine that described circuit component is by ESD verification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310121107.7A CN104101826A (en) | 2013-04-09 | 2013-04-09 | Electronic device, and electrostatic discharge test system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310121107.7A CN104101826A (en) | 2013-04-09 | 2013-04-09 | Electronic device, and electrostatic discharge test system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104101826A true CN104101826A (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310121107.7A Pending CN104101826A (en) | 2013-04-09 | 2013-04-09 | Electronic device, and electrostatic discharge test system and method |
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| Country | Link |
|---|---|
| CN (1) | CN104101826A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130008A (en) * | 2020-08-04 | 2020-12-25 | 北京中电华大电子设计有限责任公司 | Electrostatic induction damage testing method for chip |
| CN113533894A (en) * | 2021-09-03 | 2021-10-22 | 北京同方信息安全技术股份有限公司 | Testing device and system for testing electrostatic discharge protection performance of TVS device |
-
2013
- 2013-04-09 CN CN201310121107.7A patent/CN104101826A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130008A (en) * | 2020-08-04 | 2020-12-25 | 北京中电华大电子设计有限责任公司 | Electrostatic induction damage testing method for chip |
| CN112130008B (en) * | 2020-08-04 | 2023-09-08 | 北京中电华大电子设计有限责任公司 | Electrostatic induction damage test method for chip |
| CN113533894A (en) * | 2021-09-03 | 2021-10-22 | 北京同方信息安全技术股份有限公司 | Testing device and system for testing electrostatic discharge protection performance of TVS device |
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Application publication date: 20141015 |