CN201440159U - Monitor - Google Patents
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- CN201440159U CN201440159U CN2009203044788U CN200920304478U CN201440159U CN 201440159 U CN201440159 U CN 201440159U CN 2009203044788 U CN2009203044788 U CN 2009203044788U CN 200920304478 U CN200920304478 U CN 200920304478U CN 201440159 U CN201440159 U CN 201440159U
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Abstract
The utility model reveals a monitor for monitoring the state of a static wristband in real time. No impedance is arranged in the static wristband. At the same time, the monitor is applied with a single-chip microcomputer and an alarm device. The monitor comprises a relay, a first switch circuit, a capacitance, a second diode, a first resistance, an interface end and a second resistance. The monitor is used to monitor the wearing state of the static wristband of a manipulator in real time. If the wristband is not worn or looses, the alarm will be given. The utility model monitors if an earth wire is connected well and at the same time can be communicated with a personal computer to form a monitoring network.
Description
[technical field]
The utility model relates to a kind of monitor, particularly a kind of monitor that is applied to detecting real-time static bracelet state.
[background technology]
After the mutual friction of different objects phase, can produce positive and negative charge, i.e. static at body surface.In the continuous accumulation of electric charge, after the energy of electrostatic field acquires a certain degree, puncture therebetween medium and can discharge, be exactly the static discharge of often saying.Electrostatic Discharge is the electromagnetic compatibility problem that everybody knows, and it can cause that electronic equipment is malfunctioning or make its damage.When semiconductor devices is placed separately or packed circuit module into,, also may cause the permanent damage of these devices even without powering up.So the associated companies in electrical type all requires the operating personnel to wear the static bracelet; avoid the damage of static to product and assembly; when to have only impedance when the static bracelet be 0.9M Europe-1.2M Europe; be only the specification product in the industry; but the static bracelet in use, and it is on the low side or too high impedance usually can to occur, even open circuit; the user also is difficult to find, does not therefore just have the effect that prevents static.This just needs the real-time watch device of a static bracelet state, even just point out related personnel's maintenance or replacing when the static bracelet goes wrong.
In view of this, be necessary to propose a kind of monitor in fact, utilize this monitor to monitor the state of wearing of operator's static bracelet in real time, if do not wear or have to become flexible and to send warning, in real time whether the monitoring ground wire connects well, simultaneously can with PC communication, composition monitor network.
[summary of the invention]
Therefore, the utility model provides a kind of monitor, with the purpose of the state of wearing of realizing monitoring in real time operator's static bracelet.
For achieving the above object, the utility model provides a kind of monitor, and it is used for monitoring in real time static bracelet state, is not provided with impedance in this static bracelet, and this monitor is used with single-chip microcomputer and alarm simultaneously, and this monitor comprises:
A relay, one end electrically connect an end of one first supply voltage and one first diode, and the other end of this relay electrically connects the other end of above-mentioned first diode, and this relay comprises: one first switch and a second switch;
One first on-off circuit, its first end electrically connects above-mentioned single-chip microcomputer, and the other end electrically connects the other end of above-mentioned first diode;
An electric capacity, the one end electrically connects above-mentioned single-chip microcomputer, and the other end electrically connects first end of second switch on the above-mentioned relay;
One second diode, one end electrically connect second end of first switch on the above-mentioned relay;
One first resistance, one end electrically connect the 3rd end of first switch on the above-mentioned relay, and the other end connects one second supply voltage;
An interface end, its first end electrically connects the other end of above-mentioned second diode, and second end connects above-mentioned static bracelet;
One second resistance, one end electrically connect the 3rd end of above-mentioned interface end, and the other end connects statically.
Especially, above-mentioned first supply voltage is 5V.
Especially, above-mentioned second supply voltage is 1.2V.
Especially, first on-off circuit comprises: one the 3rd resistance, and the one end electrically connects above-mentioned single-chip microcomputer; A NPN type triode, its base stage electrically connects the other end of above-mentioned the 3rd resistance, grounded emitter, collector electrically connects the other end of above-mentioned first diode.
Especially, second end of above-mentioned second switch electrically connects statically, the electrical ground connection of the 3rd end.
Especially, this monitor also comprises: one the 4th resistance, and the one end electrically connects the other end of above-mentioned second diode, and the other end electrically connects first end of above-mentioned interface end.
Especially, this monitor also comprises: a holding circuit, and it comprises: one the 5th resistance, one end electrically connect the 3rd end of above-mentioned interface end; A 3.6V voltage stabilizing diode, the one end electrically connects the other end of above-mentioned the 5th resistance, and another termination is statically.
Especially, above-mentioned interface end is SMD3.5mmSTEREO JACK.
Compared to prior art, monitor of the present utility model by with the application of single-chip microcomputer and alarm, can monitor the state of wearing of operator's static bracelet in real time, alarm can reflect the result of monitoring simultaneously.
For the purpose of this utility model, structural attitude and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 illustrates the circuit diagram of monitor one preferred embodiment of the present utility model.
[embodiment]
With reference to shown in Figure 1, monitor of the present utility model, it is used for monitoring in real time static bracelet state, be not provided with impedance in this static bracelet, this monitor is used with single-chip microcomputer 100 (model of this single-chip microcomputer 100 is AT mega48-20AU) and alarm 200 (this alarm 200 comprises pilot lamp and hummer) simultaneously, and this monitor comprises:
A relay 1, the one end electrically connects one first supply voltage 300 (in present embodiment, this first supply voltage 300 is 5V) and the end (this first diode 2 is used to protect this relay 1) of one first diode 2, the other end of this relay 1 electrically connects the other end of above-mentioned first diode 2, this relay 1 comprises: one first switch 11 and a second switch 12, second end 122 of this second switch 12 electrically connects statically, the 3rd end 123 electrical ground connection;
One first on-off circuit 3, it comprises: one the 3rd resistance 31, one end electrically connect above-mentioned single-chip microcomputer 100; A NPN type triode 32, its base stage electrically connects the other end of above-mentioned the 3rd resistance 31, grounded emitter, collector electrically connects the other end of above-mentioned first diode 2;
An electric capacity 4, one end electrically connect first end 111 of the above-mentioned single-chip microcomputer 100 and first switch 11, and the other end electrically connects first end 121 of second switch 12 on the above-mentioned relay 1;
Second end, 112, the second diodes 5 that one second diode 5, one end electrically connect first switch 11 on the above-mentioned relay 1 are used to place reverse charging;
One the 4th resistance 6, the one end electrically connects the other end of above-mentioned second diode 5, and it is excessive that the 4th resistance 6 is used to place circuital current;
One first resistance 7, one end electrically connect the 3rd end 113 of first switch 11 on the above-mentioned relay 1, and the other end connects one second supply voltage 400 (in present embodiment, this second supply voltage 400 is 1.2V);
An interface end 8, its first end 81 electrically connects the other end of above-mentioned the 4th resistance 6, and second end 82 connects above-mentioned static bracelet, and this interface end is SMD3.5mmSTEREO JACK (a 3.5mm earphone interface);
One second resistance 9, one end electrically connect the 3rd end 83 of above-mentioned interface end, and the other end connects statically;
A holding circuit 10, it comprises: one the 5th resistance 101, one end electrically connect the 3rd end 83 of above-mentioned interface end 8; A 3.6V voltage stabilizing diode 102, the one end electrically connects the other end of above-mentioned the 5th resistance 101, and another termination is statically.
In present embodiment, when single-chip microcomputer 100 and the 3rd resistance 31 link output low levels, electric capacity 4 is by static bracelet, operator and form discharge loop statically, if the operator does not wear, what the voltage at electric capacity 4 two ends can descend so is very slow, just can judge by the voltage that detects electric capacity 4 two ends whether bracelet has been worn like this, single-chip microcomputer 100 may command alarms 200 send warning simultaneously; After dropping to certain value, the voltage at electric capacity 4 two ends to charge to electric capacity again, single-chip microcomputer 100 and the 3rd resistance 31 links output high level, whether at this moment the electric capacity 4 and first resistance 7 constitute charge circuits, relay the pyroelectric monitor bracelet after waiting the voltage at electric capacity 4 two ends to be full of to wear.
In addition, monitor of the present utility model can also be formed monitor network by an interface (this interface can be USB, RS232 interface, RS485 interface etc.) and dataphone, and the situation of wearing of real time record operator static bracelet, repeats no more this applicant.
Claims (7)
1. monitor, it is used for monitoring in real time static bracelet state, is not provided with impedance in this static bracelet, and this monitor is used with single-chip microcomputer and alarm simultaneously, it is characterized in that, and this monitor comprises:
A relay, one end electrically connect an end of one first supply voltage and one first diode, and the other end of this relay electrically connects the other end of above-mentioned first diode, and this relay comprises: one first switch and a second switch;
One first on-off circuit, its first end electrically connects above-mentioned single-chip microcomputer, and the other end electrically connects the other end of above-mentioned first diode;
An electric capacity, the one end electrically connects above-mentioned single-chip microcomputer, and the other end electrically connects first end of second switch on the above-mentioned relay;
One second diode, one end electrically connect second end of first switch on the above-mentioned relay;
One first resistance, one end electrically connect the 3rd end of first switch on the above-mentioned relay, and the other end connects one second supply voltage;
An interface end, its first end electrically connects the other end of above-mentioned second diode, and second end connects above-mentioned static bracelet;
One second resistance, one end electrically connect the 3rd end of above-mentioned interface end, and the other end connects statically.
2. monitor as claimed in claim 1 is characterized in that, above-mentioned first supply voltage is 5V; Above-mentioned second supply voltage is 1.2V.
3. monitor as claimed in claim 1 is characterized in that, first on-off circuit comprises: one the 3rd resistance, and the one end electrically connects above-mentioned single-chip microcomputer; A NPN type triode, its base stage electrically connects the other end of above-mentioned the 3rd resistance, grounded emitter, collector electrically connects the other end of above-mentioned first diode.
4. monitor as claimed in claim 1 is characterized in that, second end of above-mentioned second switch electrically connects statically, the electrical ground connection of the 3rd end.
5. monitor as claimed in claim 1 is characterized in that, this monitor also comprises: one the 4th resistance, and the one end electrically connects the other end of above-mentioned second diode, and the other end electrically connects first end of above-mentioned interface end.
6. monitor as claimed in claim 1 is characterized in that, this monitor also comprises: a holding circuit, and it comprises: one the 5th resistance, one end electrically connect the 3rd end of above-mentioned interface end; A 3.6V voltage stabilizing diode, the one end electrically connects the other end of above-mentioned the 5th resistance, and another termination is statically.
7. monitor as claimed in claim 1 is characterized in that, above-mentioned interface end is SMD3.5mmSTEREO JACK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203044788U CN201440159U (en) | 2009-06-16 | 2009-06-16 | Monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203044788U CN201440159U (en) | 2009-06-16 | 2009-06-16 | Monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440159U true CN201440159U (en) | 2010-04-21 |
Family
ID=42544822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203044788U Expired - Fee Related CN201440159U (en) | 2009-06-16 | 2009-06-16 | Monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732431A (en) * | 2017-04-24 | 2018-11-02 | 巧橡科技有限公司 | Electrostatic monitoring system |
| CN109813979A (en) * | 2018-12-28 | 2019-05-28 | 威海天力电源科技有限公司 | ESD intelligence point detection system and its application |
-
2009
- 2009-06-16 CN CN2009203044788U patent/CN201440159U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732431A (en) * | 2017-04-24 | 2018-11-02 | 巧橡科技有限公司 | Electrostatic monitoring system |
| CN109813979A (en) * | 2018-12-28 | 2019-05-28 | 威海天力电源科技有限公司 | ESD intelligence point detection system and its application |
| CN109813979B (en) * | 2018-12-28 | 2022-09-20 | 威海天力电源科技有限公司 | ESD intelligent point inspection system and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20130616 |