CN102213733A - Automatic electrostatic discharge detection system - Google Patents
Automatic electrostatic discharge detection system Download PDFInfo
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- CN102213733A CN102213733A CN2010101511951A CN201010151195A CN102213733A CN 102213733 A CN102213733 A CN 102213733A CN 2010101511951 A CN2010101511951 A CN 2010101511951A CN 201010151195 A CN201010151195 A CN 201010151195A CN 102213733 A CN102213733 A CN 102213733A
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- static discharge
- microcontroller
- current return
- detecting system
- resistance value
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Abstract
The invention relates to an automatic electrostatic discharge detection system which is connected with a plurality of current loops, capable of respectively aiming at each current loop and used for detecting whether the electrostatic discharge conditions of a plurality of electronic devices provided by and serially connected to the current loops are abnormal or not. The electrostatic discharge detection system at least comprises a microcomputer, a plurality of circuit connection ports, a measuring unit, a circuit switching unit, a prompting unit and two grounding wires, wherein when one of the circuit connection ports is switched and connected to the measuring unit, the circuit connection port also keeps electric connection with one of the grounding wires.
Description
Technical field
The invention relates to a kind of static discharge automatic detecting system, and particularly relevant for a kind of at the static discharge Auto-Sensing that produces current return on the line.
Background technology
In the general known working environment, be everlasting and comprised a plurality of workstation on the current return, work boards etc. of being serially connected on the production line, static that carry on one's body for fear of the operating personnel or accumulation hurts the electronic product on electronic installation, electronic component, measuring tool or the production line on the electric current main line, usually these work boards are via a common ground point ground connection, and the operating personnel also can wear the wrist strap that is connected to common ground point with lead, to discharge static that carry or accumulation on one's body.
For the measurement of the static discharge on the production line, standard ISO has the certain resistance value of regulation for backbone and service main.Because the wiring of the workstation on production line, work board is quite complicated, and the way of measuring resistance value on the production line at present for avometer at every group of circuit, periodic measurement out of the ordinary.But because of connecting up complicated and when planning circuit, packet circuit not being marked originally, cause and to spend long time to go for route survey sometimes.In addition, line broken circuit or circuit are old to get rusty if really take place, if can't find in real time, when when measuring, will have the unsafe factor generation that static can't import the earth.
Therefore, need a kind of more efficient, safer static discharge arrangement for detecting.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of more efficient, safer static discharge arrangement for detecting.
The present invention mainly provides a kind of static discharge (Electrostatic Discharge, ESD) automatic detecting system, can provide and connect many current returns, at this current return of each bar, whether the static discharge situation of detecting serial connection that this current return provides a plurality of electronic installations thereon is unusual respectively.Static discharge automatic detecting system of the present invention comprises a microcontroller, a plurality of circuit connectivity port, a measuring unit, a circuit switch unit and a Tip element at least.Microcontroller is in order to obtaining the data that measure and data operation is handled, and making a detecting result, and can send this detecting result to the outside.A plurality of circuit connectivity port connects those current returns respectively.Measuring unit is in order to measuring the resistance value on one of them of those current returns, and the measurement result of this resistance value is back to this microcontroller.The circuit switch unit be subjected to the control of this microcontroller and periodically switch those circuit connectivity ports one of them to be connected to this measuring unit.Tip element is subjected to the control of this microcontroller, sends a cue according to this detecting result.
This resistance value that above-mentioned microcontroller compares and measures and a default value are if this resistance value greater than this default value, judges that then the static discharge situation of this current return is unusual.
In one embodiment, static discharge automatic detecting system of the present invention also comprises two ground wires at least and electrically connects those circuit connectivity ports respectively and simultaneously, wherein be switched when being connected to this measuring unit when one of them of those circuit connectivity ports, this circuit connectivity port still keeps with those ground wires to be electrically connected.
In one embodiment, static discharge automatic detecting system of the present invention also comprises a communication unit, is connected in this microcontroller, and this communication unit is subjected to the control of this microcontroller and transmits this detecting result to telemonitoring program.And the telemonitoring program can be detected the result and demonstrate this unusual current return of static discharge situation according to this.
Therefore, by static discharge automatic detecting system of the present invention, whether the static discharge situation of detecting each bar serial connection that current return provides a plurality of electronic installations thereon respectively is unusual, except the automatic upload function of measurement data and data can be provided, when system of the present invention detects certain bar current return static discharge when unusual, the warning of warning lamp and hummer can be provided, or see through the automatic upload notifications distance supervisor of network.Can improve manpower and spend in the time of measuring ESD backbone and service main, can also improve circuit and cause too much and can't distinguish backbone/service main loop problem in a jumble.And utilize static discharge automatic detecting system of the present invention, can organize current return, sub-loop by tree-shaped expanding series connection more.
In addition; static discharge automatic detecting system of the present invention; electrically connect those circuit connectivity ports respectively and simultaneously by two ground wires; utilize the mode of loop design; guarantee if broken a ground wire; or the current return of measuring, all can keep electrostatic grounding, have more the function of safeguard protection static discharge.
Description of drawings
Fig. 1 is the synoptic diagram that illustrates Electrostatic Discharge detecting system embodiment of the present invention; And
Fig. 2 a, 2b illustrate to use the synoptic diagram of Electrostatic Discharge detecting system of the present invention on current return.
[primary clustering symbol description]
100: static discharge automatic detecting system 161,162: ground wire
1001～100n: current return 170: communication unit
10011～1001n: electron current loop 180: network
110: microcontroller 190: the telemonitoring program
1201～120n: circuit connectivity port 200: static discharge automatic detecting system
130: measuring unit 2001～200n: current return
140: circuit switch unit 300: the static discharge automatic detecting system
150: Tip element 3001～300n: current return
Embodiment
A kind of static discharge automatic detecting system proposed by the invention can provide to connect many current returns, and at this current return of each bar, whether the static discharge situation of detecting serial connection that this current return provides a plurality of electronic installations thereon is unusual respectively.Following conjunction with figs. illustrates preferred embodiment of the present invention, and describes technical characterictic of the present invention in detail.
Cooperation is the synoptic diagram that illustrates Electrostatic Discharge automatic detecting system embodiment with reference to Fig. 1.Static discharge automatic detecting system 100 of the present invention is made up of a microcontroller 110, circuit connectivity port 1201～120n, a measuring unit 130, a circuit switch unit 140, a Tip element 150 and 161,162 of two ground wires.
A plurality of circuit connectivity port 1201～120n connects current return 1001～100n respectively, all comprises serial connection a plurality of electronic installations (not icon) thereon on each current return.
Ground wire 161,162 is electrically connected to circuit connectivity port 1201～120n respectively and simultaneously, so that 1201～120n last current return 1001～100n that connects out of the ordinary in circuit connectivity port is all through ground wire 161 or ground wire 162 and ground connection.So, when one of them of those circuit connectivity ports 1201～120n is switched when being connected to this measuring unit 130 to do when measuring, circuit connectivity port 1201～120n still keeps with ground wire 161 and 162 to be electrically connected, to guarantee that no matter current return 1001～100n is in measurement or during non-measurement, all can see through at least one and ground connection of ground wire 161 and 162, with the static on eliminating current return 1001～100n.
In addition, static discharge automatic detecting system 100 of the present invention also comprises a communication unit 170 and is connected in microcontroller 110, and communication unit 170 is subjected to the control of microcontroller 110, can transmit its detecting result to telemonitoring program 190 of making via network 180.The detecting result that telemonitoring program 190 can be made according to microcontroller 110 demonstrates the unusual current return of static discharge situation.
Cooperation is to illustrate to use the synoptic diagram of Electrostatic Discharge detecting system of the present invention on current return with reference to Fig. 2 a, 2b.Shown in Fig. 2 a, use static discharge automatic detecting system 100 of the present invention, can connect whole group current return a 1001～100n, and see through the periodically switching of relay (RELAY) circuit of circuit switch unit 140, measure its resistance value at one of them of current return 1001～100n respectively, whether unusual with one of them the static discharge situation of judging current return 1001～100n.Can see through the Tip element 150 of static discharge automatic detecting system 100 simultaneously, send as warning the cue of cresset or alarm song according to the detecting result, unusual with the static discharge situation of informing which the bar current return among this group current return 1001～100n.
And for example shown in Fig. 2 b, at this is example with three groups of static discharge automatic detecting systems 100,200,300 only, but be not limited to three groups, use a plurality of static discharge automatic detecting systems of the present invention, except can doing the periodically detecting at current return 1001～100n, also extendible connection organize more current return 2001～200n, current return 3001～300n ... by that analogy.Measure its resistance value at one of them of current return 2001～200n respectively by static discharge automatic detecting system 200, whether unusual to judge its static discharge situation.Measure its resistance value at one of them of current return 3001～300n respectively by static discharge automatic detecting system 300, whether unusual to judge its static discharge situation.
Moreover, shown in Fig. 2 b, also can tree-shaped expansion extend current return 1001, on the 10011～1001n of the electron current loop of current return 1001, static discharge automatic detecting system of the present invention is installed respectively, with the resistance value on the electron current loop 10011～1001n that periodically measures current return 1001, whether unusual to judge the static discharge situation on electron current loop 10011～1001n.So, can reach simultaneously the purposes of the static discharge situation of the many groups of detecting current returns, improve the mode that tradition is measured at current return one by one with manpower.
Though the present invention discloses as above with embodiment; right its is not in order to qualification the present invention, any person skilled in the art, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (10)
1. static discharge automatic detecting system, it is characterized in that, connect many current returns, can be respectively at this current return of each bar, whether the static discharge situation of detecting serial connection that this current return provides a plurality of electronic installations thereon is unusual, and this electrostatic discharge testing system comprises at least:
One microcontroller in order to obtaining the data that measure and data operation is handled, making a detecting result, and can send this detecting result to the outside;
A plurality of circuit connectivity port connects those current returns respectively;
One measuring unit in order to measuring the resistance value on one of them of those current returns, and is back to this microcontroller with the measurement result of this resistance value;
One circuit switch unit, be subjected to the control of this microcontroller and periodically switch those circuit connectivity ports one of them to be connected to this measuring unit; And
One Tip element is subjected to the control of this microcontroller, sends a cue according to this detecting result.
2. static discharge automatic detecting system according to claim 1, it is characterized in that, at least comprise two ground wires and electrically connect those circuit connectivity ports respectively and simultaneously, wherein be switched when being connected to this measuring unit when one of them of those circuit connectivity ports, this circuit connectivity port still keeps with those ground wires to be electrically connected.
3. static discharge automatic detecting system according to claim 1 is characterized in that, this resistance value that this microcontroller compares and measures and a default value are if this resistance value greater than this default value, judges that then the static discharge situation of this current return is unusual.
4. static discharge automatic detecting system according to claim 3 is characterized in that, this default value is 2 ohm.
5. static discharge automatic detecting system according to claim 1 is characterized in that, also comprises a communication unit, is connected in this microcontroller, and this communication unit is subjected to the control of this microcontroller and transmits this detecting result to telemonitoring program.
6. static discharge automatic detecting system according to claim 5 is characterized in that, this telemonitoring program can be detected the result and demonstrate this unusual current return of static discharge situation according to this.
7. static discharge automatic detecting system, it is characterized in that, connect many current returns, can be respectively at this current return of each bar, whether the static discharge situation of detecting serial connection that this current return provides a plurality of electronic installations thereon is unusual, and this electrostatic discharge testing system comprises at least:
One microcontroller in order to obtaining the data that measure and data operation is handled, making a detecting result, and can send this detecting result to the outside;
A plurality of circuit connectivity port connects those current returns respectively;
One measuring unit in order to measuring the resistance value on one of them of those current returns, and is back to this microcontroller with the measurement result of this resistance value;
One circuit switch unit, be subjected to the control of this microcontroller and periodically switch those circuit connectivity ports one of them to be connected to this measuring unit;
One Tip element is subjected to the control of this microcontroller, sends a cue according to this detecting result; And
Two ground wires electrically connect those circuit connectivity ports respectively and simultaneously;
Wherein, when one of them of those circuit connectivity ports is switched when being connected to this measuring unit, this circuit connectivity port still keeps with those ground wires to be electrically connected.
8. static discharge automatic detecting system according to claim 7 is characterized in that, whether this resistance value that this microcontroller compares and measures is greater than 2 ohm, if this resistance value greater than 2 ohm, judges that then the static discharge situation of this current return is unusual.
9. static discharge automatic detecting system according to claim 7, it is characterized in that, also comprise a communication unit, be connected in this microcontroller, this communication unit is subjected to the control of this microcontroller, can transmit this detecting result to telemonitoring program via a network.
10. static discharge automatic detecting system according to claim 9 is characterized in that, this telemonitoring program can be detected the result and demonstrate this unusual current return of static discharge situation according to this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101511951A CN102213733A (en) | 2010-04-01 | 2010-04-01 | Automatic electrostatic discharge detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101511951A CN102213733A (en) | 2010-04-01 | 2010-04-01 | Automatic electrostatic discharge detection system |
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| CN102213733A true CN102213733A (en) | 2011-10-12 |
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| CN2010101511951A Pending CN102213733A (en) | 2010-04-01 | 2010-04-01 | Automatic electrostatic discharge detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US11561250B2 (en) | 2021-06-09 | 2023-01-24 | Honeywell Federal Manufacturing & Technologies, Llc | Electrostatic charge buildup and electrostatic discharge monitoring system and method |
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| US6052053A (en) * | 1997-10-22 | 2000-04-18 | Semtronics Corporation | Continuous monitoring system |
| JP2004132810A (en) * | 2002-10-10 | 2004-04-30 | Shishido Seidenki Kk | Electrostatic discharge measuring device |
| CN200944126Y (en) * | 2006-07-20 | 2007-09-05 | 深圳长城开发科技股份有限公司 | ESD protection parameter real-time monitor |
| US20070210808A1 (en) * | 2006-03-02 | 2007-09-13 | Ellison Yang | Real-time multi-point ground resistance monitoring device |
| CN101122621A (en) * | 2006-08-10 | 2008-02-13 | 华硕电脑股份有限公司 | Electrostatic discharge detection device and method |
| CN101617238A (en) * | 2008-02-20 | 2009-12-30 | 惠瑞捷（新加坡）私人有限公司 | Detect system, the method and computer program of electrostatic discharge event |
-
2010
- 2010-04-01 CN CN2010101511951A patent/CN102213733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6052053A (en) * | 1997-10-22 | 2000-04-18 | Semtronics Corporation | Continuous monitoring system |
| JP2004132810A (en) * | 2002-10-10 | 2004-04-30 | Shishido Seidenki Kk | Electrostatic discharge measuring device |
| US20070210808A1 (en) * | 2006-03-02 | 2007-09-13 | Ellison Yang | Real-time multi-point ground resistance monitoring device |
| CN200944126Y (en) * | 2006-07-20 | 2007-09-05 | 深圳长城开发科技股份有限公司 | ESD protection parameter real-time monitor |
| CN101122621A (en) * | 2006-08-10 | 2008-02-13 | 华硕电脑股份有限公司 | Electrostatic discharge detection device and method |
| CN101617238A (en) * | 2008-02-20 | 2009-12-30 | 惠瑞捷（新加坡）私人有限公司 | Detect system, the method and computer program of electrostatic discharge event |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US11561250B2 (en) | 2021-06-09 | 2023-01-24 | Honeywell Federal Manufacturing & Technologies, Llc | Electrostatic charge buildup and electrostatic discharge monitoring system and method |
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Application publication date: 20111012 |