CN207623440U - A kind of distributed on-line monitor of electrostatic protection ground state - Google Patents
A kind of distributed on-line monitor of electrostatic protection ground state Download PDFInfo
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- CN207623440U CN207623440U CN201721742657.0U CN201721742657U CN207623440U CN 207623440 U CN207623440 U CN 207623440U CN 201721742657 U CN201721742657 U CN 201721742657U CN 207623440 U CN207623440 U CN 207623440U
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Abstract
The utility model is related to a kind of distributed on-line monitors of electrostatic protection ground state, including distributed on-line monitor subelement, Zigbee coordination units, background computer, display and alarm；It is described distribution on-line monitor subelement include：Signal processing unit, signal distributor disk, ESD acquisition modules, Zigbee module, centrally connected power source module, the signal processing unit respectively with signal distributor disk, Zigbee module, centrally connected power source module are connected directly, and the ESD acquisition module distributions are connected to signal distributor disk；The Zigbee coordination units, display, alarm are all connected to background computer, the Zigbee coordination units and Zigbee module wireless telecommunications.The utility model realizes detection on the spot and the Centralizing inspection both of which of electrostatic wrist band and production equipment electrostatic grounding, solves the problems, such as electrostatic management and quality control difficulties in current Electric control protection equipment production process.
Description
Technical field
The utility model is related to a kind of on-line monitor, more particularly to the distribution of a kind of electrostatic protection ground state exists
Line monitoring system.
Background technology
With electronic product small and intelligence, extensive and super large-scale integration obtain growing rapidly and
Extensive use, these device integrations are higher and higher, and operating voltage is smaller and smaller, also more and more sensitive to electrostatic.
ESD (static discharge) is destroyed caused by electronic product and damage has two kinds of abrupt impairment and latent injury.
So-called abrupt impairment refers to that device is seriously damaged, and function is lost.This damage usually can be in process of production matter
In amount detection it can be found that, therefore to the cost of repair of mainly doing over again that factory brings.And latent injury refers to device
Part is damaged, but function is not yet lost, and cannot be found in the detection of production process, but product can be made to become during use
Must be unstable, it hangs in the balance, thus the harm of bigger is constituted to product quality.Static discharge be considered as Quality of electronic products most
Big potential killer, electrostatic protection also become an important content of Quality of electronic products control.
Most domestic Electric control protects the ESD control work of equipment manufacturer mainly to buy anti-static clothing and hand
The electrostatic grounding of these simple ESD articles for use of wrist strap, operation console or key equipment generally uses and is directly connected on ground wire, tradition
Anti-static wrist strap monitor is cheap.
The shortcomings that prior art：
ESD-preventive wrist strap is a kind of device worn and build up electrostatic charge in the human body that is used to release on human body wrist, it can
With the electrostatic for human body of effectively releasing.But monitoring instrument currently on the market is largely formula on the spot, only at station scene
Carry out alarm.The electrostatic grounding of operation console or key equipment generally uses and is directly connected on ground wire, although simple
State and performance can not monitor.Manufacturing management system is main or class monitor and group leader carries out on-the-spot make an inspection tour and carries out management and control.Inevitably
It will appear some human factors, if the work that is not switched on is given birth to the problems such as cannot being replaced in time after wrist band service failure to give
Production management brings certain difficulty, also constrains the raising of product quality.
Secondly, electrostatic monitoring system also has at present is monitored on-line by CAN bus or RS485 buses, but every
One acquisition module is required for a controller, and networking is complicated, and system overall cost is higher, and it is little that factory puts into wish.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of online prison of the distribution of electrostatic protection ground state
Viewing system realizes that system group network, installation work amount and system cost are taken into account by Zigbee wireless modes, realizes electrostatic wrist
The detection on the spot of band and production equipment electrostatic grounding and Centralizing inspection both of which solve current Electric control protection equipment production
Electrostatic management and the problem of quality control difficulties in the process.
The technical solution of the utility model is as follows：A kind of distributed on-line monitor of electrostatic protection ground state, packet
Include distributed on-line monitor subelement, Zigbee coordination units 201, background computer 202, display 203 and alarm
204；It is described distribution on-line monitor subelement include：Signal processing unit 101, signal distributor disk 102, ESD acquire mould
Block 103, Zigbee module 104, centrally connected power source module 105, the signal processing unit 101 respectively with signal distributor disk 102,
Zigbee module 104, centrally connected power source module 105 are connected directly, and 103 distribution of ESD acquisition modules is connected to signal point
With box 102；The Zigbee coordination units 201, display 203, alarm 204 are all connected to background computer 202, described
Zigbee coordination units 201 and 104 wireless telecommunications of Zigbee module.
Further, the Zigbee moulds of the Zigbee coordination units 201 and multiple distributed on-line monitor subelements
104 wireless telecommunications of block.
Further, the Zigbee coordination units 201 pass through serial communication with background computer 202.Zigbee coordinates single
The information received is sent to background computer 202 by member 201 by serial ports, and background computer 202 is by the letter with address location
Number is parsed, by display 203 in the form of picture the working condition of each station of real-time display and electrostatic grounding
State, and the bad warning of electrostatic grounding state is sent out by alarm 204.
Further, the signal processing unit 101 is connected with 2 signal distributor disks 102 to both sides respectively, and described is every
There are 85 core connection terminal interfaces, 8 ESD acquisition modules 103 to pass through 5 core cables and letter respectively on one signal distributor disk 102
The connecting interface of number distributor disk 102 is connected.
Further, the signal processing unit 101 is connected directly with centrally connected power source module 105, and passes through signal processing
Terminal inside unit 101 is connected to each signal distributor disk 102, and signal distributor disk 102 is redistributed to by internal circuit
Each the ESD acquisition module 103 being attached thereto, 5V working powers and 30V signal power sources are provided for acquisition module.
Further, the signal processing unit 101 is connected with Zigbee module 104 by spi bus, signal processing list
Acquisition signal under this address is carried out data by member 101 in the form of protocol massages after signal condition by Zigbee module
It sends.
Further, the ESD acquisition modules 103 include：Ground state collecting unit 301, power switch 302, work
Status signal relay 303, electrostatic monitoring status signal relay 304, ground terminal 305, warning circuit 306；The ground terminal
305 are directly connected to electrostatic protection equipment, and the power port of ground state collecting unit 301 is connect with power switch 302, work
The power port for making status signal relay 303 is connect with power switch 302；What the ground state collecting unit 301 exported
Level signal is connected to electrostatic monitoring status signal relay 304, the node output of driving electrostatic monitoring status signal relay
30V level signals are to signal distributor disk；The level signal of output is also connected to warning circuit 306 simultaneously, and warning circuit sends out sound
Optical signal realizes alarm operating personnel on the spot.
Further, ground state collecting unit 301 includes operation amplifier circuit, and the operation amplifier circuit includes can
Adjust potentiometer.It is grounded comparison and the level output of resistance by the way that the threshold values of the big minor adjustment comparison voltage of potentiometer is arranged.
Further, the warning circuit, which includes light emitting diode and buzzer, can send out sound and light signal.
Further, the signal processing unit 101 includes：CPU processing units 401, optocoupler 402, signal terminal 403,
PWR modules 404, lamp drive circuit 405 of alarming, alarm lamp 406, LCD screen 407；The signal terminal 403 is defeated with optocoupler 402
Enter end connection, the output end of optocoupler 402 is connected to CPU processing units 401；The CPU processing units 401 also with LCD screen 407,
Lamp drive circuit 405 of alarming connects.
The operation principle of signal processing unit 101 is：PWR modules 404 are converted to the voltage that centrally connected power source module provides
The operating voltage that CPU processing units 401 can use provides power supply for system.Working state signal and electrostatic monitoring state
Signal is directly connected in signal terminal 403, is changed into the intake signal of 3.3V after the isolation of optocoupler 402, drives CPU processing
The I/O pin of unit 401.CPU processing units 401 are connected with LCD screen, all stations letter of real-time display processing unit acquisition
Breath.CPU processing units 401 send out drive signal and give alarm lamp drive circuit 405, light alarm lamp 406 after calculating.
The utility model has the beneficial effects that：
1) the utility model technology passes through distributor disk using data Layer by Zigbee wireless networks and signal acquisition layer
Distributed frame designs, and zigbee wireless networks solve the problems, such as complexity and the inconvenience of production line wiring over long distances, simple in structure,
Extension is easy；
2) structure design for using signal distributor disk, makes the mounting structure of signal acquisition layer greatly simplify, and wiring facilitates U.S.
It sees, while the connection plan of distributed allocation box reduces the usage quantity of wireless module and processor, reduces system totality
Cost；
3) on-line monitoring system provided by the utility model is used, can both remind producers' imperfect earth state on the spot
Warning, and site administrator can be provided while monitoring anti-static grounding state and the work of assembly line of all personnel
State, and the equipment that can exclude imperfect earth by historical data analysis early stage, realize timely and effectively overall production pipe
Reason.
4) controller can directly acquire the working condition and static state semaphore of multiple work station points, each control
System realizes system group network by Zigbee wireless modes, and installation work amount and system cost take into account, realize electrostatic wrist band and
The detection on the spot of production equipment electrostatic grounding and Centralizing inspection both of which, practicability is good, and cost is relatively low.Solve current electric power
Electrostatic management and the problem of quality control difficulties in control protection equipment production process.Not only realize the inspection on the spot of static state
It surveys, and system monitoring and the promotion of electrostatic level may be implemented.
Description of the drawings
Fig. 1 is a kind of electrostatic protection ground state on-line monitoring system subelement knot disclosed in the utility model embodiment
Structure schematic diagram；
Fig. 2 is the network architecture figure of the utility model embodiment；
Fig. 3 is the ESD acquisition module structure charts of the utility model embodiment；
Fig. 4 is the signal processing unit structural schematic diagram of the utility model embodiment.
Specific implementation mode
The implementation of technical solution is described in further detail below in conjunction with the accompanying drawings：
The utility model uses following technical scheme：
As Fig. 1 and as shown in Fig. 2, a kind of electrostatic protection ground state provided by the utility model distributed in-service monitoring
System unit, including distributed on-line monitor subelement, Zigbee coordination units 201, background computer 202, display
203 and alarm 204；Distributed on-line monitor subelement includes：Signal processing unit 101, signal distributor disk 102, ESD
Acquisition module 103, Zigbee module 104, centrally connected power source module 105.The signal processing unit 101 is distributed with signal respectively
Box 102, Zigbee module 104, centrally connected power source module 105 are connected directly.103 distribution of ESD acquisition modules is connected to
Signal distributor disk 102.Zigbee coordination units 201, display 203, alarm 204 are all connected to background computer 202, described
Zigbee coordination units 201 and 104 wireless telecommunications of Zigbee module.
The signal processing unit 101 is connected with 2 signal distributor disks 102, each described letter to both sides respectively
There are 85 core phoenix connection terminal interfaces, 8 ESD acquisition modules 103 to pass through 5 core cables and signal respectively on number distributor disk 102
The connecting interface of distributor disk is connected.
Wherein, the ESD acquisition modules 103 may include for antistatic wrist strap ground unit, equipment ground unit with
And bench pad ground unit.
The 5 core cables, which are separately connected signal, 5V power supplys, 30V power supplys, working state signal, electrostatic grounding state prison
It surveys signal and ground, ESD acquisition modules distributes collected working state signal, electrostatic grounding status monitoring signal by signal
Box is transmitted to signal processing unit.
The signal processing unit 101 is connected directly with centrally connected power source module 105, and by signal processing unit inside
Terminal be connected to each signal distributor disk 102, signal distributor disk be redistributed to by internal circuit be attached thereto it is each
A ESD acquisition modules provide 5V working powers and 30V signal power sources for acquisition module.
The signal processing unit 101 is connected with Zigbee module 104 by spi bus, and signal processing unit 101 passes through
It crosses after signal condition and the acquisition signal under this address is subjected to data transmission in the form of protocol massages by Zigbee module.
As shown in Fig. 2, a kind of distributed on-line monitor net of electrostatic protection ground state provided by the utility model
Network system construction drawing, including Zigbee coordination units 201, background computer 202, display 203 and alarm 204.
The information received is sent to background computer 202 by the Zigbee coordination units 201 by serial ports, after
Platform computer 202 parses the signal data with address location, and by display 203, real-time display is each in the form of picture
The working condition and electrostatic grounding state of a station.Working condition and electrostatic grounding of the background system software according to each station
State logic judges the electrostatic grounding situation when work is in running order, and electrostatic grounding situation is bad when if there is work
, remind administrative staff to pay attention to by alarm 204.
Background system carries out data record to the state of each station, and history of forming report, administrative staff can be regular
Check historical record, and by the analysis of electrostatic protection ground state data, find to be grounded in advance insecure safeguard or
The safeguard of person's damage.Accomplish preventive maintenance.It is horizontal further to promote producing line Electrostatic Control.
As shown in figure 3, being the ESD acquisition module structure charts of the utility model embodiment, modular structure includes at least ground connection
State acquisition unit 301, power switch 302, working state signal relay 303, electrostatic monitoring status signal relay 304,
Ground terminal 305, warning circuit 306.
The ground terminal 305 is directly connected to electrostatic protection equipment, the 5V working powers warp of ground state collecting unit 301
It is provided by power switch 302, is made of operation amplifier circuit inside ground state collecting unit, by the way that potentiometer size is arranged
The threshold values of comparison voltage is adjusted to be grounded comparison and the level output of resistance.The level signal of output is connected to electrostatic monitoring
Status signal relay 304, the node of driving electrostatic monitoring status signal relay export 30V level signals and are distributed to signal
Box；The level signal of output is also connected to warning circuit 306 simultaneously, and warning circuit sends out sound by light emitting diode and buzzer
Optical signal realizes alarm operating personnel on the spot.
When power switch is put through, another way 5V voltages drive the anode of working state signal relay 303, work
The node of status signal relay 303 is connected, and working condition I/O signal exports 30V level signals to signal distributor disk.System root
According to the electrical level judging of working condition I/O signal, whether the work position is in running order, realizes production management.
As shown in figure 4, for the signal processing unit structural schematic diagram of the utility model embodiment.Including at least CPU processing
Unit 401, optocoupler 402, signal terminal 403, PWR modules 404, lamp drive circuit 405 of alarming, alarm lamp 406, LCD screen 407.
The 5V voltages that centrally connected power source module provides are converted to the 3.3V that CPU can be used and worked by the PWR modules 404
Voltage provides power supply for system.
The CPU processing units 401 use PIC33FJ128 chips, working state signal and electrostatic monitoring state letter
Number by signal with after box, be directly connected with signal terminal 403 by cable, adjacent two terminals for a work station point letter
Number.
Signal is connected to the input terminal of optocoupler 402 after resistance, is changed into the intake letter of 3.3V after optically isolated
Number, drive the I/O pin of CPU processing units.
The address of CPU processing units is set by 3 toggle switch, total that 8 addresses can be arranged, and can meet maximum
The system requirements of 256 work station points.
CPU will be counted according to the address of monitoring signal and this CPU toggle switch setting of acquisition according to the protocol format of definition
According to the form for being converted to protocol massages, data transmission is carried out by Zigbee wireless modules.
CPU processing units carry out logic judgment according to the signal of acquisition, and logic fortune is carried out according to two neighboring signal level
It calculates, i.e., when a certain station is in running order, the electrostatic monitored state signal of acquisition is incorrect, then is exported by I/O pin
One high level, driving unit warning circuit 405 make the red light of alarm lamp 406 light, and are provided to assembly line site administrator
Alarm signal.
The CPU processing units 401 are also connected by bus with LCD screen 407, and LCD screen is installed on assembly line or behaviour
Make among station, the working condition and electrostatic grounding state of each station are shown by the icon color change in picture.
Unit alarm lamp 406 install with the top of LCD screen, site manager is according to the prompting function of indicator light, further according to the tool of LCD screen
Body is shown, can check that the ground state of which specific station is bad.
Preferred scheme realizes employee and prompts on the spot, and field management concentration is checked and back-end data historical analysis etc.
Distributed monitoring and management function in real time.
The distributed on-line monitor course of work of electrostatic protection ground state described in the utility model is as follows：
Each ESD acquisition modules acquire the working condition and electrostatic grounding state of the station in real time, and according to detection case into
Capable alarm on the spot；The working condition of the station and electrostatic grounding state are converted into semaphore simultaneously and are sent to signal distribution
The semaphore implementation of each signal distributor disk is converted to what CPU processing units can identify by box, signal processing unit by cable
The status information that above-mentioned signal integration is specific point, implementation are shown in LCD display by signal level, CPU processing units
On, and total warning reminding is carried out according to detecting state；CPU processing units are opened also according to the monitoring signal and this CPU dial-ups of acquisition
The address for closing setting, the form of protocol massages is converted data to according to the protocol format of definition, passes through Zigbee wireless modules
Carry out data transmission.Zigbee coordination units receive the data that each Zigbee wireless modules are sent, by serial ports by data transmission
To backstage, to realize backstage real time on-line monitoring function.
Claims (10)
1. a kind of distributed on-line monitor of electrostatic protection ground state, it is characterised in that：Including distributed in-service monitoring
System subelement, Zigbee coordination units (201), background computer (202), display (203) and alarm (204)；It is described
Distributed on-line monitor subelement includes：Signal processing unit (101), signal distributor disk (102), ESD acquisition modules
(103), Zigbee module (104), centrally connected power source module (105), the signal processing unit (101) are distributed with signal respectively
Box (102), Zigbee module (104), centrally connected power source module (105) are connected directly, the ESD acquisition modules (103) distribution
Formula is connected to signal distributor disk (102)；The Zigbee coordination units (201), display (203), alarm (204) connect
It is connected to background computer (202), the Zigbee coordination units (201) and Zigbee module (104) wireless telecommunications.
2. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：Institute
State Zigbee module (104) wireless telecommunications of Zigbee coordination units (201) and multiple distributed on-line monitor subelements.
3. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：Institute
It states Zigbee coordination units (201) and passes through serial communication with background computer (202).
4. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：Institute
The signal processing unit (101) stated is connected with 2 signal distributor disks (102), each described signal distribution to both sides respectively
There are 85 core connection terminal interfaces, 8 ESD acquisition modules (103) to pass through 5 core cables and signal distributor disk respectively on box (102)
(102) connecting interface is connected.
5. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：Institute
The signal processing unit (101) stated is connected directly with centrally connected power source module (105), and internal by signal processing unit (101)
Terminal be connected to each signal distributor disk (102), signal distributor disk (102) is redistributed to by internal circuit to be attached thereto
Each ESD acquisition module (103).
6. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：Institute
The signal processing unit (101) stated is connected with Zigbee module (104) by spi bus.
7. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：It is described
ESD acquisition modules (103) include：Ground state collecting unit (301), power switch (302), working state signal relay
(303), electrostatic monitoring status signal relay (304), ground terminal (305), warning circuit (306)；The ground terminal (305) with
Electrostatic protection equipment is directly connected to, and the power port of ground state collecting unit (301) is connect with power switch (302), work
The power port of status signal relay (303) is connect with power switch (302), and the ground state collecting unit (301) is defeated
The level signal gone out is connected to electrostatic monitoring status signal relay (304) and warning circuit (306).
8. a kind of distributed on-line monitor of electrostatic protection ground state as claimed in claim 7, it is characterised in that：Ground connection
State acquisition unit (301) includes operation amplifier circuit, and the operation amplifier circuit includes adjustable potentiometer.
9. a kind of distributed on-line monitor of electrostatic protection ground state as claimed in claim 7, it is characterised in that：It is described
Warning circuit includes light emitting diode and buzzer.
10. a kind of distributed on-line monitor of electrostatic protection ground state as described in claim 1, it is characterised in that：Institute
The signal processing unit (101) stated includes：CPU processing units (401), optocoupler (402), signal terminal (403), PWR modules
(404), alarm lamp drive circuit (405), alarm lamp (406), LCD screen (407)；The signal terminal (403) and optocoupler (402)
Input terminal connection, the output end of optocoupler (402) is connected to CPU processing units (401)；The CPU processing units (401) also with
LCD screen (407), alarm lamp drive circuit (405) connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742657.0U CN207623440U (en) | 2017-12-14 | 2017-12-14 | A kind of distributed on-line monitor of electrostatic protection ground state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742657.0U CN207623440U (en) | 2017-12-14 | 2017-12-14 | A kind of distributed on-line monitor of electrostatic protection ground state |
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| Publication Number | Publication Date |
|---|---|
| CN207623440U true CN207623440U (en) | 2018-07-17 |
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ID=62823187
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| CN201721742657.0U Active CN207623440U (en) | 2017-12-14 | 2017-12-14 | A kind of distributed on-line monitor of electrostatic protection ground state |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669084A (en) * | 2018-12-13 | 2019-04-23 | 歌尔科技有限公司 | Equipment ESD test method and system |
| CN111157914A (en) * | 2019-12-26 | 2020-05-15 | 通富微电子股份有限公司 | Anti-static grounding wire monitoring device and integrated circuit testing system |
| CN112230064A (en) * | 2020-10-16 | 2021-01-15 | 深圳市海能达通信有限公司 | ESD intelligent monitoring system |
-
2017
- 2017-12-14 CN CN201721742657.0U patent/CN207623440U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669084A (en) * | 2018-12-13 | 2019-04-23 | 歌尔科技有限公司 | Equipment ESD test method and system |
| CN111157914A (en) * | 2019-12-26 | 2020-05-15 | 通富微电子股份有限公司 | Anti-static grounding wire monitoring device and integrated circuit testing system |
| CN112230064A (en) * | 2020-10-16 | 2021-01-15 | 深圳市海能达通信有限公司 | ESD intelligent monitoring system |
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