CN108490225B - Coupling plate electrostatic discharge test adapting device and method - Google Patents
Coupling plate electrostatic discharge test adapting device and method Download PDFInfo
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- CN108490225B CN108490225B CN201810339405.6A CN201810339405A CN108490225B CN 108490225 B CN108490225 B CN 108490225B CN 201810339405 A CN201810339405 A CN 201810339405A CN 108490225 B CN108490225 B CN 108490225B
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- 230000008878 coupling Effects 0.000 title claims abstract description 114
- 238000010168 coupling process Methods 0.000 title claims abstract description 114
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 114
- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 32
- 238000007689 inspection Methods 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 22
- 230000037431 insertion Effects 0.000 claims description 22
- 230000006978 adaptation Effects 0.000 claims description 9
- 229920005669 high impact polystyrene Polymers 0.000 claims description 5
- 239000004797 high-impact polystyrene Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T14/00—Spark gaps not provided for in groups H01T2/00 - H01T13/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
Abstract
The invention relates to a coupling plate electrostatic discharge test adapting device and a method, wherein the adapting device comprises an adapting body, a tip jack, an upper solid part, a lower fixed part and an inspection hole, and the inner side of the coupling plate is contacted with the side part of the adapting body by inserting the coupling plate into a coupling plate gap between the upper solid part and the lower fixed part; inserting the tip of the electrostatic discharge generator into a tip jack in the adapting body to enable the tip of the electrostatic discharge generator to be in contact with the coupling plate in the gap of the coupling plate; and checking whether the tip of the electrostatic discharge generator is in close contact with the coupling plate or not through the checking hole, and judging whether the tip of the electrostatic discharge generator is vertical to the coupling plate or not according to the reference line at the joint of the upper solid part and the adapting body. The invention can make the electrostatic discharge coupling plate test under very stable condition, and there is no worry that the tip will separate from the coupling plate; the testing burden of the tester is reduced, and the labor cost of a laboratory is reduced; the test efficiency is improved, the test result is accurate, and the experimental repeatability is strong.
Description
Technical Field
The invention relates to the technical field of electrostatic discharge testing, in particular to a coupling plate electrostatic discharge testing adapting device and method.
Background
Electrostatic discharge (ESD), which is a very important indicator in chip and system design, refers to charge transfer caused by objects having different electrostatic potentials approaching each other or in direct contact, and ESD can cause serious damage or malfunction of electronic devices. In life, especially in winter where north is dry, electrostatic discharges are very likely to occur, which can cause damage or interference to many instruments, systems or equipment. In order to verify the ability of these instruments, systems or devices to withstand electrostatic discharge, electrostatic discharge testing has been particularly incorporated in the field of electromagnetic compatibility.
According to the standard, an indirect discharge test in contact discharge is carried out during electrostatic discharge, generally, a horizontal coupling plate is paved on a test table, a vertical coupling plate is simultaneously erected on the side, then an electrostatic gun is used for discharging the horizontal coupling plate and the vertical coupling plate, whether the device is affected or not is checked, the test is mainly used for simulating the human body to discharge other objects on the side of the tested device (a simple point is like a hand key), and the indirect test is carried out without affecting the tested device. The method is to direct discharge of various voltages by aligning the tip test head of the electrostatic discharge generator to the edge of the coupling plate. However, the coupling plate is usually an iron plate with the thickness of 2-3 mm, as shown in fig. 1, the tip of the electrostatic discharge generator is an acute angle of 25-40 degrees, so that the tip is usually separated from a contact point when the iron plate with the thickness of 2-3 mm is aligned for discharge, the test is invalid due to light weight, the test is carried out again, the test time is prolonged, and an electric arc is struck in the test process and hits other instruments, so that the instruments are damaged.
Disclosure of Invention
The invention aims to provide an adapting device and an adapting method for testing an electrostatic discharge of a coupling plate, which can conveniently adapt to the testing of the electrostatic discharge coupling plate, have low cost and simple process, and can effectively prevent the tip of an electrostatic generator from being separated from the coupling plate.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the electrostatic discharge testing adapting device of the coupling plate comprises an adapting body, a tip insertion hole, an upper solid part, a lower fixing part and an inspection hole; the tip jack is arranged in the adapter body; the tip insertion hole extends from the center of one side of the adapter body to the center of the other side of the adapter body; the upper solid part is connected above the side part of the adapting body; the lower fixing part is connected below the side part of the adapting body, and a coupling plate gap is formed between the upper solid part and the lower fixing part; the inspection hole is arranged at the center of the joint of the upper solid part and the adapting body.
According to the coupling plate electrostatic discharge testing adapting device, the front part of the tip insertion hole is cylindrical, the tail end of the tip insertion hole is in a truncated cone shape, and the tail end of the tip insertion hole extends to the center of the inspection hole. The tip jack is used for inserting the tip of the electrostatic discharge generator into the tip jack in the adapting body in the electrostatic discharge test of the coupling plate.
According to the coupling plate electrostatic discharge test adapting device, the tip insertion holes are communicated with the gap of the coupling plate. The tip insertion hole is communicated with the gap between the coupling plates, so that the coupling plates placed in the gap between the coupling plates are contacted with the tips of the electrostatic discharge generators placed in the tip insertion hole.
According to the coupling plate electrostatic discharge test adapting device, the inspection hole is circular, and the part, located at the upper solid part, in the inspection hole is communicated with the gap of the coupling plate. The inspection hole can be used for inspecting whether the tip of the electrostatic discharge generator is in close contact with the coupling plate or not, so that the contact position of the tip of the electrostatic discharge generator and the coupling plate can be conveniently adjusted.
In the coupling plate electrostatic discharge testing adapting device, the part of the inspection hole located in the adapting body extends to the center of the adapting body. Exposing the tips of the electrostatic discharge generators inserted into the tip insertion holes while aligning the tips of the electrostatic discharge generators with the lateral centers of the coupling plates in the gaps of the coupling plates.
According to the coupling plate electrostatic discharge testing adapting device, the upper solid part and the lower fixing part are respectively semicircular, and the joint of the upper solid part and the adapting body is provided with the reference line. The reference line may indicate to the tester whether the tip is perfectly perpendicular to the coupling plate.
An electrostatic discharge testing adapting device for the coupling plate is described above, wherein the adapting device adopts ABS, HIPS or PLA material with dielectric constant less than 3. Because of the specificity of the electrostatic discharge test, the adapting device is made of a better insulating material, such as ABS, HIPS or PLA and the like with a dielectric constant smaller than 3, and the dielectric constant of the material is not generally changed by the influence of the ambient temperature, humidity, air pressure and the like, and meanwhile, the adapting device is low in cost and high in mechanical strength.
The invention also provides a coupling plate electrostatic discharge test adaptation method, which adopts the adaptation device, and comprises the following steps:
inserting the coupling plate into the coupling plate gap between the upper solid part and the lower fixing part, so that the inner side of the coupling plate contacts the side part of the adapting body;
inserting the tip of the electrostatic discharge generator into a tip jack in the adapting body to enable the tip of the electrostatic discharge generator to be in contact with the coupling plate in the gap of the coupling plate;
and checking whether the tip of the electrostatic discharge generator is in close contact with the coupling plate or not through the checking hole, and judging whether the tip of the electrostatic discharge generator is vertical to the coupling plate or not according to the reference line at the joint of the upper solid part and the adapting body.
According to the coupling plate electrostatic discharge test adaptation method, the electrostatic discharge host is used for controlling the tip of the electrostatic discharge generator to conduct discharge tests of a plurality of voltage values on the edge of the coupling plate.
The invention has the following advantages: the electrostatic discharge coupling plate test can be performed under very stable conditions, and the tip is not worried about being separated from the coupling plate; the testing burden of the tester is reduced, and the labor cost of the test is reduced; the efficiency of the test is improved, the test result is more accurate, and the reproducibility of the experiment is stronger.
Drawings
FIG. 1 is a schematic diagram of a prior art electrostatic discharge generator tip structure;
FIG. 2 is a schematic perspective view of an electrostatic discharge testing adapter of a coupling plate;
FIG. 3 is a schematic top view of the electrostatic discharge testing adapter of the coupling plate;
FIG. 4 is a schematic diagram of a side view of the electrostatic discharge testing adapter of the coupling plate;
FIG. 5 is a schematic diagram of an electrostatic discharge generator waveform for wearing a coupling plate electrostatic discharge test adapter;
FIG. 6 is a schematic diagram of an electrostatic discharge generator waveform without a coupling plate electrostatic discharge test adapter;
fig. 7 is a schematic diagram of a comparison of electrostatic discharge generator waveforms for an electrostatic discharge test adapter with and without a coupling plate.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 2, 3 and 4, referring to fig. 1, a coupling plate electrostatic discharge test adapter device includes an adapter body 1, a tip insertion hole 2, an upper solid portion 3, a lower fixing portion 4 and an inspection hole 5; the tip jack 2 is arranged in the adapter body 1; the tip insertion hole 2 extends from the center of one side of the adapter body 1 to the center of the other side of the adapter body 1; the upper solid part 3 is connected above the side part of the adapting body 1; the lower fixing part 4 is connected below the side part of the adapting body 1, and a coupling plate gap 6 is formed between the upper solid part 3 and the lower fixing part 4; the inspection hole 5 is arranged at the center of the joint of the upper solid part 3 and the adapting body 1.
In one embodiment of the electrostatic discharge testing and adapting device for the coupling plate, the front part of the tip insertion hole 2 is cylindrical, the tail end of the tip insertion hole 2 is in a shape of a circular table, and the tail end of the tip insertion hole 2 extends to the center of the inspection hole 5. The tip insertion hole 2 is used for coupling plate electrostatic discharge test, and the tip of the electrostatic discharge generator is inserted into the tip insertion hole 2 inside the adapting body 1.
In one embodiment of the coupling plate electrostatic discharge test adapter, the tip receptacle 2 communicates with the coupling plate gap 6. The tip insertion hole 2 communicates with the coupling plate gap 6, so that the coupling plate placed in the coupling plate gap 6 contacts with the tip of the electrostatic discharge generator placed in the tip insertion hole 2.
In one embodiment of the electrostatic discharge testing and adapting device for the coupling plate, the inspection hole 5 is circular, and a portion of the inspection hole 5 located at the upper solid portion 3 is communicated with the gap 6 of the coupling plate. The inspection hole 5 can inspect whether the tip of the electrostatic discharge generator is in close contact with the coupling plate, so that the contact position of the tip of the electrostatic discharge generator and the coupling plate can be conveniently adjusted.
In one embodiment of the electrostatic discharge testing adapter of the coupling plate, the portion of the inspection hole 5 located in the adapter body 1 extends to the center of the adapter body 1. Exposing the tips of the electrostatic discharge generators inserted into the tip insertion holes 2 while aligning the tips of the electrostatic discharge generators with the lateral centers of the coupling plates in the coupling plate gaps 6.
In one embodiment of the electrostatic discharge testing and adapting device for the coupling plate, the upper solid portion 3 and the lower fixing portion 4 are respectively semicircular, and a reference line 7 is disposed at a connection position of the upper solid portion 3 and the adapting body 1. The reference line 7 may indicate to the tester whether the tip is perfectly perpendicular to the coupling plate.
In one embodiment of the coupling plate electrostatic discharge testing adapter, the adapter is made of a material with a dielectric constant of less than 3, such as ABS, HIPS or PLA. Because of the specificity of the electrostatic discharge test, the adapting device is made of a better insulating material, such as ABS, HIPS or PLA and the like with a dielectric constant smaller than 3, and the dielectric constant of the material is not generally changed by the influence of the ambient temperature, humidity, air pressure and the like, and meanwhile, the adapting device is low in cost and high in mechanical strength.
The invention also provides a coupling plate electrostatic discharge test adaptation method, which adopts the adaptation device, and comprises the following steps:
inserting the coupling plate into the coupling plate gap 6 between the upper solid part 3 and the lower fixing part 4 so that the inner side of the coupling plate contacts the side of the fitting body 1;
inserting the tip of the electrostatic discharge generator into the tip insertion hole 2 in the adapting body 1 to enable the tip of the electrostatic discharge generator to be in contact with the coupling plate in the coupling plate gap 6;
it is checked through the inspection hole 5 whether the tip of the electrostatic discharge generator is in close contact with the coupling plate, and it is judged whether the tip of the electrostatic discharge generator is perpendicular to the coupling plate according to the reference line 7 at the junction of the upper solid portion 3 and the adapter body 1.
Referring to fig. 5, 6 and 7, the applicant carried out tests to verify whether the waveforms generated by the electrostatic discharge test adapter device of the coupling plate of the present invention were normal or not.
The test process comprises the following steps:
1. two tests were performed with and without the adapter, respectively;
2. the adapter is made of ABS;
3. during the test, the same electrostatic discharge generator is used;
4. the instrument used to obtain the test data was an oscilloscope.
Test results:
the comparison is carried out through two tests, and the consistency of the measurement curves and the measurement data of the two tests is very good and basically has no difference. The comparison experiment result shows that the waveform generated by the electrostatic discharge generator with the coupling plate electrostatic discharge test adapting device of the invention can not generate abnormality, and can meet the requirements of IEC61000-4-3 on electrostatic discharge voltage and waveform.
When the invention is used, the coupling plate is inserted into the coupling plate gap 6 between the upper solid part 3 and the lower fixed part 4, so that the inner side of the coupling plate is contacted with the side part of the adapting body 1; inserting the tip of the electrostatic discharge generator into the tip insertion hole 2 in the adapting body 1 to enable the tip of the electrostatic discharge generator to be in contact with the coupling plate in the coupling plate gap 6; whether the tip of the electrostatic discharge generator is in close contact with the coupling plate is checked through the check hole 5, meanwhile, whether the tip of the electrostatic discharge generator is vertical to the coupling plate is judged according to the reference line 7 at the joint of the upper solid part 3 and the adapting body 1, and the electrostatic discharge host controls the tip of the electrostatic discharge generator to perform discharge tests with a plurality of voltage values on the edge of the coupling plate. The invention can make the electrostatic discharge coupling plate test under very stable condition, and there is no worry that the tip will separate from the coupling plate; the testing burden of the tester is reduced, and the labor cost of a laboratory is reduced; the efficiency of the test is improved, the test result is more accurate, and the reproducibility of the experiment is stronger.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (5)
1. The electrostatic discharge testing adapting device of the coupling plate comprises an adapting body, a tip insertion hole, an upper solid part, a lower fixing part and an inspection hole; the method is characterized in that: the tip jack is arranged in the adapting body, and extends from the center of one side of the adapting body to the center of the other side of the adapting body; the upper solid part is connected above the side part of the adapting body; the lower fixing part is connected below the side part of the adapting body, and a coupling plate gap is formed between the upper solid part and the lower fixing part; the inspection hole is arranged at the center of the joint of the upper solid part and the adapting body;
the front part of the tip jack is cylindrical, the tail end of the tip jack is in a truncated cone shape, and the tail end of the tip jack extends to the center of the inspection hole;
the tip jack is communicated with the coupling plate gap; the inspection hole is circular, and the part of the inspection hole, which is positioned at the upper solid part, is communicated with the gap of the coupling plate;
the upper solid part and the lower fixing part are respectively semicircular, and a reference line is arranged at the joint of the upper solid part and the adapting body.
2. The coupling plate electrostatic discharge test adapter of claim 1, wherein: the part of the inspection hole, which is positioned in the adapting body, extends to the center of the adapting body.
3. The coupling plate electrostatic discharge test adapter of claim 1, wherein: the adapting device is made of ABS, HIPS or PLA materials with dielectric constants smaller than 3.
4. A coupling plate electrostatic discharge test adaptation method employing an adaptation device according to any one of claims 1 to 3, characterized in that: the adaptation method comprises the following steps:
inserting the coupling plate into the coupling plate gap between the upper solid part and the lower fixing part, so that the inner side of the coupling plate contacts the side part of the adapting body;
inserting the tip of the electrostatic discharge generator into a tip jack in the adapting body to enable the tip of the electrostatic discharge generator to be in contact with the coupling plate in the gap of the coupling plate;
and checking whether the tip of the electrostatic discharge generator is in close contact with the coupling plate or not through the checking hole, and judging whether the tip of the electrostatic discharge generator is vertical to the coupling plate or not according to the reference line at the joint of the upper solid part and the adapting body.
5. The coupling plate electrostatic discharge test adaptation method according to claim 4, wherein: and controlling the tip of the electrostatic discharge generator to perform discharge test on the edge of the coupling plate through the electrostatic discharge host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339405.6A CN108490225B (en) | 2018-04-16 | 2018-04-16 | Coupling plate electrostatic discharge test adapting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339405.6A CN108490225B (en) | 2018-04-16 | 2018-04-16 | Coupling plate electrostatic discharge test adapting device and method |
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| CN108490225A CN108490225A (en) | 2018-09-04 |
| CN108490225B true CN108490225B (en) | 2024-03-26 |
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| CN201810339405.6A Active CN108490225B (en) | 2018-04-16 | 2018-04-16 | Coupling plate electrostatic discharge test adapting device and method |
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