CN102105016A - Electrostatic protection method and device for production line - Google Patents

Electrostatic protection method and device for production line Download PDF

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Publication number
CN102105016A
CN102105016A CN2009102652189A CN200910265218A CN102105016A CN 102105016 A CN102105016 A CN 102105016A CN 2009102652189 A CN2009102652189 A CN 2009102652189A CN 200910265218 A CN200910265218 A CN 200910265218A CN 102105016 A CN102105016 A CN 102105016A
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CN
China
Prior art keywords
static
production line
electric loop
conducting piece
static conducting
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Pending
Application number
CN2009102652189A
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Chinese (zh)
Inventor
谢青峰
李天斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Askey Technology Jiangsu Ltd
Askey Computer Corp
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Askey Technology Jiangsu Ltd
Askey Computer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Askey Technology Jiangsu Ltd, Askey Computer Corp filed Critical Askey Technology Jiangsu Ltd
Priority to CN2009102652189A priority Critical patent/CN102105016A/en
Publication of CN102105016A publication Critical patent/CN102105016A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electrostatic protection method and an electrostatic protection device for a production line. The electrostatic protection for the production line provides at least two circuits for the production line, wherein the production line is connected to a ground terminal by a first circuit for discharging static electricity and is also connected to the ground terminal by a second circuit. When the product line feeds back that the production line cannot discharge static electricity by the first circuit, the second circuit can warn in real time and a feedback mechanism of the electrostatic protection is not required to perform any active sensing operation for the production line. Therefore, the electrostatic protection method and the electrostatic protection device for the production line can warn about invalid discharge of static electricity in real time.

Description

The electrostatic protection method of production line and device
Technical field
The present invention refers to be applied to the electrostatic protection method and the device of production line especially about a kind of method and apparatus of electrostatic defending.
Background technology
Traditionally, electronic product is when assembling, and is except requiring dustless office operation, most important no more than Electrostatic protection.Generally speaking, have the chip of micron or nano-scale in the electronic product, for these chips, the static that human body sent is the equal of several thousand or several ten thousand volts voltage.The voltage of so high volt will be punched or destroy above-mentioned electronic product, and cause the decline of yield, may cause tremendous loss what is more.
In prior art, the assembler of electronic product connects the static bracelet that can get rid of static, and in order to the infringement that static caused of eliminating human body generation, and these static bracelets link to each other by the direct ground connection of electrostatic protection apparatus, in order to get rid of this static.Yet, electrostatic protection apparatus might be because of the change of production line working method, mobile or other factors, and cause electrostatic protection apparatus and ground connection between line broken circuit, make static to get rid of by electrostatic protection apparatus effectively, and the generation of above-mentioned this breaking phenomena, its user also can't discover immediately.
Traditionally, in order to solve the problem that this breaking phenomena can't be discovered, utilize universal instrument in a certain specific time, measure giving birth to production line, to lower the chance that causes electrostatic damage electron production product because of opening circuit.Yet, when many living production lines carry out work simultaneously, can't give birth to production line to these respectively probably and carry out frequent measurement.Thus, unless the problem that opens circuit of discovery electrostatic protection apparatus that can be real-time, otherwise can't in time get rid of a large amount of infringements that static is caused for the electron production product.And its relevant patent, for example Taiwan letters patent book number M307113 number is in order to solve the above problems, and it proposes a kind of automatic monitoring alarming device, can monitor its earth resistance simultaneously at most earth points.This patent has most monitor port, each is connected in parallel to most monitored earth points with Monitoring Line, each port can be set different earth resistance safe rangies according to the detecting object, and the warning way when the earth resistance that monitors exceeds safe range.
Yet, the measurement unit of above-mentioned patent is under the control of processing unit, still need the periodic earth resistance of measuring most earth points by most monitor port, and one by one each is put via processing unit again and compare, could send caution by showing if note abnormalities, and this kind detecting mode can't manifest the state that static takes place in real time with operating unit, and still need to detect on one's own initiative, know the generation of static just now.
Summary of the invention
A purpose of the present invention is to provide a kind of method of production line electrostatic defending, under not needing to detect, in order to electrostatic defending and the caution that is achieved in production line.
Another object of the present invention is to provide a kind of production line electrostatic protection apparatus, be arranged at production line, and Electrostatic protection and caution in order to reach this production line.
For achieving the above object and other purpose, the invention provides a kind of method of production line electrostatic defending, its method step comprise (i) at least one first static conducting piece of production line structure for external at least one second static conducting piece; (ii) this first static conducting piece is connected to an earth terminal to form one first electric loop, is used to discharge static from this first static conducting piece; (iii) an alarming device is connected with this first static conducting piece and this earth terminal, has one second electric loop in this alarming device, discharge the caution of losing efficacy in order to carry out static; And (iv) this first static conducting piece of feedback can't trigger this second electric loop by the state of this first electric loop release electrostatic.
For achieving the above object and other purpose, the invention provides a kind of production line electrostatic protection apparatus, be applied to a production line, it comprises one first a static conducting piece and an alarming device.This first static conducting piece is connected to an earth terminal, and for external at least one second static conducting piece, this first static conducting piece and this earth terminal form one first electric loop, are used to discharge the static from this first static conducting piece; This alarming device is electrically connected with this first static conducting piece and this earth terminal, has one second electric loop in it, is used for the state that this first static conducting piece of feedback can't release electrostatic, triggers this second electric loop and discharges the caution of losing efficacy to carry out static.
In an embodiment, this alarming device more comprises a control unit, a caution unit, reaches a power supply unit.Wherein, this control unit is connected in this second electric loop, is used to respond state that can't release electrostatic and triggers this second electric loop; This caution unit is connected in this second electric loop, discharges the caution of losing efficacy in order to produce static; This power supply unit is connected in this second electric loop, in order to provide this alarming device required electric power.
For achieving the above object and other purpose, the invention provides a kind of production line electrostatic protection apparatus, be applied to most production lines, it comprises: most the first static conducting pieces, a corresponding respectively production line also is connected to an earth terminal, for external at least one second static conducting piece, each first static conducting piece and this earth terminal form one first electric loop, are used to discharge the static from this first static conducting piece; An and alarming device, majority second loop that has respectively corresponding each production line in it, each second loop and the corresponding first static conducting piece and earth terminal electrical connection, be used for the state that the first static conducting piece of the corresponding production line of feedback can't release electrostatic, trigger its second electric loop and discharge the caution of losing efficacy to carry out static.
In an embodiment, this alarming device more comprises a majority control unit, most individual cautions unit, reaches a power supply unit.Wherein, these control units connect with the second electric loop of corresponding production line respectively, are used to respond the state that corresponding production line can't release electrostatic and trigger this second electric loop; These caution unit connect with the second electric loop of corresponding production line respectively, discharge the caution of losing efficacy in order to produce static; This power supply unit is connected with the second electric loop of these production lines, in order to provide these alarming devices required electric power.
Production line electrostatic protection method of the present invention can be under the state of any detecting with device, real time reaction in a production line relevant for one first static conducting piece (for example production line static common bus) or most the second static conducting piece (for example static bracelet) electrostatic defending states over the ground, and provide caution simultaneously, make the user can pass through method and apparatus of the present invention, get rid of because of carrying out the damage that electrostatic defending caused in real time effectively.
Description of drawings
Fig. 1 is the schematic diagram that first embodiment according to the method for the present invention's one production line electrostatic defending is painted;
Fig. 2 is the schematic diagram that second embodiment according to the method for the present invention's one production line electrostatic defending is painted;
Fig. 3 a and Fig. 3 b are the calcspars that first embodiment according to the present invention's one production line electrostatic protection apparatus is painted;
Fig. 3 c is the calcspar that second embodiment according to the present invention's one production line electrostatic protection apparatus is painted;
Fig. 4 a and Fig. 4 b are the circuit diagrams that second embodiment according to the present invention's one production line electrostatic protection apparatus is painted; And
Fig. 5 a and Fig. 5 b are the calcspars that the 3rd embodiment according to the most production line electrostatic protection apparatus of the present invention is painted.
The primary clustering symbol description
10 electrostatic protection apparatus
122 first static conducting pieces
124 second static conducting pieces
126 alarming devices
1262,1262a, 1262b caution unit
1264,1264a, 1264b control unit
1268 power supply units
128 earth terminals
L1, L1a, the L1b first electric loop
L2, L2a, the L2b second electric loop
L3, L3a, L3b the 3rd electric loop
Embodiment
For fully understanding purpose of the present invention, feature and effect, now by following specific embodiment, and cooperate appended graphicly, the present invention is described in detail, illustrate as afterwards:
With reference to figure 1, Fig. 1 is the schematic diagram that first embodiment according to the method for the present invention's one production line electrostatic defending is painted.The method of this production line electrostatic defending comprises: step S1, in at least one first static conducting piece of production line structure for external at least one second static conducting piece, wherein this first static conducting piece can be a production line static common bus, and these second static conducting pieces can be the static bracelet; Then step S2 is connected to an earth terminal to form one first electric loop with this first static conducting piece, is used to discharge the static from this first static conducting piece; Follow step S3 again, an alarming device is connected with this first static conducting piece and this earth terminal, have one second electric loop in this alarming device, discharge the caution of losing efficacy in order to carry out static; Follow step S4 again, this first static conducting piece of feedback can't trigger this second electric loop by the state of this first electric loop release electrostatic.In addition, in the method for this production line electrostatic defending, step S3 can further comprise step S3a again, provides a control unit in this second electric loop, is used to respond the state that this first electric loop can't release electrostatic and triggers this second electric loop; Step S3b provides a caution unit in this second electric loop, be used to the back that is triggered, this second electric loop and produce static and discharge the caution of losing efficacy; And step S3c, in this second electric loop, provide a power supply unit, the electric power that provides this alarming device required is provided.As shown in Figure 2, its schematic diagram of being painted for second embodiment according to the method for the present invention's one production line electrostatic defending.
With reference to figure 3a and Fig. 3 b, be the calcspar that first embodiment according to the present invention's one production line electrostatic protection apparatus is painted.In Fig. 3 a, this electrostatic protection apparatus 10 is applied to a production line, and this electrostatic protection apparatus 10 comprises one first static conducting piece 122, most individual second static conducting piece 124 and an alarming device 126.Wherein, most the second static conducting pieces 124 conduct to this first static conducting piece 122 that is connected to an earth terminal 128 with static, and an end of this earth terminal 128 is connected with the earth, in order to the static of this first static conducting piece 122 of eliminating/release.Wherein, this second static conducting piece 124 is connected to this first static conducting piece 122 respectively, for example this second static conducting piece 124 can be the static bracelet, and this static bracelet can pass through a production line static common bus (i.e. this first static conducting piece 122) again again, compiles to connect this second static conducting piece 124.Preferably, this first static conducting piece 122 forms one first electric loop L1 with this earth terminal 128, in order to discharge the static from this first static conducting piece 122.One alarming device 126 is electrically connected this first static conducting piece 122 and this earth terminal 128, has one second electric loop L2 in this alarming device 126, and feedback according to this first electric loop L1 release electrostatic state, trigger this second electric loop L2 and discharge the caution of losing efficacy to carry out static, wherein, the feedback of above-mentioned static state represents that 122 pairs of these earth terminals 128 of this first static conducting piece present off state, that is can't carry out the release of static by this earth terminal 128, thereby the state that opens circuit of this first electric loop L1 can trigger this alarming device 126, the second loop L2 of its inside is switched on, and then carry out the caution that static discharge to lose efficacy, make recognizing that the user can be real-time, defective on this electrostatic defending takes place in this production line, shown in Fig. 3 b.
Fig. 3 c is the calcspar that second embodiment according to the present invention's one production line electrostatic protection apparatus is painted, in electrostatic protection apparatus 10, this alarming device 126 comprises a control unit 1264, a caution unit 1262, reaches a power supply unit 1268, it all is positioned on this second electric loop L2, shown in Fig. 3 c.Wherein, the off state that this control unit 1264 can the response first electric loop L1, and then trigger this second electric loop L2 and make its conducting.This second electric loop L2 comprises power supply unit 1268, control unit 1264, and caution unit 1262, and when the second electric loop L2 conducting, caution unit 1262 promptly can send caution, to inform that producing online generation static discharges the situation that lost efficacy.This caution unit 1262 can be used for producing cresset, the sound or the cresset with warning function and the combination of the sound, as: cresset indicating device or buzzer etc.
With reference to figure 4a and Fig. 4 b, be the circuit diagram that second embodiment according to the present invention's one production line electrostatic protection apparatus is painted.One electrostatic protection apparatus 10 provides one first a static conducting piece 122 and an earth terminal 128 to be connected to the earth, casing or common reference voltage.Wherein, this first static conducting piece 122 connects most the second static conducting pieces 124 again, and forms one first electric loop L1 with this earth terminal 128, in order to discharge the static from this first static conducting piece 122.The alarming device 126 of this electrostatic protection apparatus 10 comprises a caution unit 1262, a control unit 1264, reaches a power supply unit 1268.This alarming device 126 is electrically connected this first static conducting piece 122 and this earth terminal 128.In present embodiment, this alarming device 126 has one or three end control assemblys, it comprises an input S, an output D and a control end G, that is this three ends control assembly can be a p type field effect transistor (FET), a n type field effect transistor or a bipolar transistor etc.This caution unit 1262 is connected to this three ends control assembly, and this three ends control assembly is according to the state (for example opening circuit) of this first electric loop L1, and cooperate pairing resistance R 1, diode D1, D2, reach a capacitor C 1, make to be conducting or not conducting between this control end G may command this input S of this three ends control assembly and the output D, but and then make this caution unit 1262 feedbacks first electric loop release electrostatic state selectivity send caution.Wherein, this power supply unit 1268 is connected in parallel with this alarming device 126, can provide this caution unit 1262 required electric power.
Then refer again to Fig. 4 a, Fig. 4 a is the situation that broken string does not take place the first static conducting piece 122, static can discharge by the first electric loop L1, simultaneously, the electric current that power supply unit 1268 in alarming device 126 the is exported less loop of resistance of can flowing through, thereby can form the 3rd electric loop L3 by the first static conducting piece 122.
Then refer again to Fig. 4 b, Fig. 4 b is the situation that broken string takes place the first static conducting piece 122, because the first electric loop L1 does not exist, the electric current that power supply unit 1268 is exported to flow through resistance R 1 and capacitor C 1, and to capacitor C 1 charging, make the control end G and the increase of the voltage difference between output N of three end control assemblys, and when voltage difference reaches default value conducting input S and output D, electric current is flowed through warn unit 1262, reach the purpose of caution.Wherein, Yu She voltage difference can by different three end control assemblys select for use and the collocation of resistance R 1, capacitor C 1 decides.Under the non-existent situation of this first electric loop L1, by the setting of three end control assemblys, control unit 1264 can make the second electric loop L2 be triggered in real time, and can provide static to discharge the caution of losing efficacy effectively in real time.
Then seeing also Fig. 5 a and Fig. 5 b, is the calcspar that the 3rd embodiment according to the most production line electrostatic protection apparatus of the present invention is painted.In the present embodiment with two production lines as example, wherein, Fig. 5 a is the state that broken string all takes place for the first static conducting piece 122a of two production lines and 122b, Fig. 5 b is the state that the first static conducting piece 122a of article one production line opens circuit.All can not pass through its corresponding first electric loop L1a and L1b release electrostatic when by Fig. 5 a as can be known, any broken string state takes place for the first static conducting piece 122a and 122b.And by Fig. 5 b as can be known, the first electric loop L1a that broken string takes place has not existed, the electric current that flows out by power supply unit 1268 the 3rd electric loop L3a that no longer flows through, alarming device 126 meeting these situations of real-time feedback also utilize control unit 1264a to trigger the second electric loop L2a, so that caution unit 1262a sends caution.
In addition, the first electric loop L1b that broken string does not take place can proceed the action that static discharges, also can select the 3rd less electric loop L3b of resistance by the electric current that power supply unit 1268 flows out, cause the second electric loop L2b can not be triggered, control unit 1264b and caution unit 1262b also can not move.
According to the above embodiments, the method and apparatus of production line electrostatic defending of the present invention can be under the state of detecting, real time reaction in a production line relevant for one first static conducting piece electrostatic defending state over the ground, and when losing efficacy, electrostatic defending provides caution, make the user can pass through method and apparatus of the present invention, learn the electrostatic defending situation of present production line effectively.In addition, the method and apparatus that utilizes production line electrostatic defending of the present invention can expand easily and form the systems for providing electrostatic discharge protection of a multiple production line, monitoring client being fixed in a place, and can carrying out the monitoring of electrostatic defending and learn the production line that electrostatic defending lost efficacy in real time many production lines simultaneously.
The present invention discloses with preferred embodiment hereinbefore, it will be understood by those skilled in the art that so this embodiment only is used to describe the present invention, does not limit the scope of the invention and should not be read as.It should be noted,, all should be made as and be covered by in the category of the present invention such as with the variation and the displacement of this embodiment equivalence.Therefore, protection scope of the present invention when with claims the person of being defined be as the criterion.

Claims (8)

1. the electrostatic protection method of a production line is characterized in that, comprises:
In at least one first static conducting piece of production line structure for external at least one second static conducting piece;
This first static conducting piece is connected to an earth terminal to form one first electric loop, is used to discharge static from this first static conducting piece;
One alarming device is connected with this first static conducting piece and this earth terminal, has one second electric loop in this alarming device, discharge the caution of losing efficacy in order to carry out static; And
This first static conducting piece of feedback can't trigger this second electric loop by the state of this first electric loop release electrostatic.
2. the electrostatic protection method of production line as claimed in claim 1 is characterized in that, this method further comprises:
In this second electric loop, provide a control unit, be used to respond the state that this first electric loop can't release electrostatic and trigger this second electric loop;
One caution unit is provided in this second electric loop, is used to the back that is triggered, this second electric loop and produces static and discharge the caution of losing efficacy; And
In this second electric loop, provide a power supply unit, the electric power that provides this alarming device required is provided.
3. a production line electrostatic protection apparatus is applied to a production line, it is characterized in that, comprises:
One first static conducting piece is connected to an earth terminal, and for external at least one second static conducting piece, this first static conducting piece and this earth terminal form one first electric loop, are used to discharge the static from this first static conducting piece; And
One alarming device, it is electrically connected with this first static conducting piece and this earth terminal, has one second electric loop in it, is used for the state that this first static conducting piece of feedback can't release electrostatic, triggers this second electric loop and discharges the caution of losing efficacy to carry out static.
4. production line electrostatic protection apparatus as claimed in claim 3 is characterized in that, this alarming device more comprises:
One control unit is connected in this second electric loop, is used to respond state that can't release electrostatic and triggers this second electric loop;
One caution unit is connected in this second electric loop, discharges the caution of losing efficacy in order to produce static; And
One power supply unit is connected in this second electric loop, in order to provide this alarming device required electric power.
5. production line electrostatic protection apparatus as claimed in claim 4 is characterized in that, this control unit comprises three end control assemblys and is connected in an electric capacity of the control end of this three ends control assembly.
6. a production line electrostatic protection apparatus is applied to most production lines, it is characterized in that, comprises:
Most first a static conducting piece, a corresponding respectively production line also is connected to an earth terminal, for external at least one second static conducting piece, each first static conducting piece and this earth terminal form one first electric loop, are used to discharge the static from this first static conducting piece; And
One alarming device, majority second loop that has respectively corresponding each production line in it, each second loop and the corresponding first static conducting piece and earth terminal electrical connection, be used for the state that the first static conducting piece of the corresponding production line of feedback can't release electrostatic, trigger its second electric loop and discharge the caution of losing efficacy to carry out static.
7. production line electrostatic protection apparatus as claimed in claim 6 is characterized in that, this alarming device more comprises:
Most control units connect with the second electric loop of corresponding production line respectively, are used to respond the state that corresponding production line can't release electrostatic and trigger this second electric loop;
Most caution unit connect with the second electric loop of corresponding production line respectively, discharge the caution of losing efficacy in order to produce static; And
One power supply unit is connected with the second electric loop of these production lines, in order to provide these alarming devices required electric power.
8. production line electrostatic protection apparatus as claimed in claim 7 is characterized in that, each control unit comprises three end control assemblys and is connected in an electric capacity of the control end of this three ends control assembly.
CN2009102652189A 2009-12-17 2009-12-17 Electrostatic protection method and device for production line Pending CN102105016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102652189A CN102105016A (en) 2009-12-17 2009-12-17 Electrostatic protection method and device for production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102652189A CN102105016A (en) 2009-12-17 2009-12-17 Electrostatic protection method and device for production line

Publications (1)

Publication Number Publication Date
CN102105016A true CN102105016A (en) 2011-06-22

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Application Number Title Priority Date Filing Date
CN2009102652189A Pending CN102105016A (en) 2009-12-17 2009-12-17 Electrostatic protection method and device for production line

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10018662B2 (en) 2016-03-23 2018-07-10 International Business Machines Corporation Networked electrostatic discharge measurement
CN108738221A (en) * 2017-04-21 2018-11-02 杨信明 Promote the anti-electrostatic wrist ring and ground connection arrangement for detecting of detecting stability
WO2020073426A1 (en) * 2018-10-08 2020-04-16 惠科股份有限公司 Chip abnormality detection circuit and chip abnormality detection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10018662B2 (en) 2016-03-23 2018-07-10 International Business Machines Corporation Networked electrostatic discharge measurement
US10054625B2 (en) 2016-03-23 2018-08-21 International Business Machines Corporation Networked electrostatic discharge measurement
CN108738221A (en) * 2017-04-21 2018-11-02 杨信明 Promote the anti-electrostatic wrist ring and ground connection arrangement for detecting of detecting stability
CN108738221B (en) * 2017-04-21 2021-05-25 杨信明 Anti-static bracelet and grounding detection device for improving detection stability
WO2020073426A1 (en) * 2018-10-08 2020-04-16 惠科股份有限公司 Chip abnormality detection circuit and chip abnormality detection device
US11099233B2 (en) 2018-10-08 2021-08-24 HKC Corporation Limited Chip abnormality detecting circuit and chip abnormality detecting device

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Application publication date: 20110622