CN202120099U - Wrist strap online monitoring grounding device and online monitoring system - Google Patents
Wrist strap online monitoring grounding device and online monitoring system Download PDFInfo
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- CN202120099U CN202120099U CN2011201606152U CN201120160615U CN202120099U CN 202120099 U CN202120099 U CN 202120099U CN 2011201606152 U CN2011201606152 U CN 2011201606152U CN 201120160615 U CN201120160615 U CN 201120160615U CN 202120099 U CN202120099 U CN 202120099U
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- wrist strap
- microcontroller
- line monitoring
- controller
- earthing device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model relates to a wrist strap online monitoring grounding device, which comprises a power source module, a microcontroller, a wrist strap grounding detecting circuit, an alarming module, a network communication controller and an optical coupler. The power source module comprises a first power source and a second power source, an output end of the first power source is connected with an input end of the microcontroller, an output end of the second power source is connected with the wrist strap grounding detecting circuit, the wrist strap grounding detecting circuit is connected with one end of the optical coupler, the other end of the optical coupler is connected with an input end of the microcontroller, an output end of the microcontroller is connected with the alarming module, and the microcontroller is connected with the network communication controller. The utility model further relates to an online monitoring system utilizing the wrist strap online monitoring grounding device. The wrist strap online monitoring grounding device and the online monitoring system utilize field bus and communication interface technologies to realize intensive central control and management of various detecting devices through the microprocessor technology.
Description
Technical field
The utility model relates to the electrostatic testing apparatus technical field, is meant a kind of wrist strap ground connection on-line monitoring device of managing concentratedly and controlling especially.
Background technology
In the industry that static is had relatively high expectations, utilize wrist strap and the earth ground connection to lead away the static of human body, be one of main means of electrostatic prevention.Human body+wrist strap+the earth is formed a loop, as long as this loop keeps UNICOM, the static on the human body will be imported into the earth through wrist strap in real time so.Otherwise static can not be imported into the earth, can produce adverse influence to product.Wrist strap is a kind of consumables, in use, is easy to occur damaging, and must detect wrist strap.
General use department is before the workman who wears wrist strap gets into the workshop, and wrist strap is carried out one-time detection, judges with this whether wrist strap is in proper working order.Along with factory is increasingly high to the electrostatic discharge requirement, must carry out real-time detection to wrist strap according to requirement in the ESD2.2 standard of the new promulgation of the international electrostatic prevention council at present.Although there has been wrist strap ground connection on-line monitoring equipment at present on the market, all be single control, the contact that has no between each checkout equipment can't manage concentratedly and control.
The utility model content
The purpose of the utility model is to have overcome above-mentioned shortcoming of the prior art; A kind of microprocessor technology of passing through is provided; Utilize fieldbus and communication interface technique, realize central centralized control and centralized management each checkout equipment, and simple in structure; With low cost, range of application is on-line monitoring wrist strap earthing device and have the online monitoring system of this device comparatively widely.
To achieve these goals, the on-line monitoring wrist strap earthing device of the utility model comprises power module, microcontroller; The wrist strap grounded inspection circuit, alarm module, network communication controller and optocoupler; Wherein: said power module comprises first power supply and second source; The input end of described first power supply and second source all is connected AC power, and the output terminal of described first power supply connects the input end of said microcontroller, and the output terminal of described second source connects said wrist strap grounded inspection circuit; Said wrist strap grounded inspection circuit connects said optocoupler one end; The said optocoupler other end connects the input end of said microcontroller, and said microcontroller output terminal connects said alarm module, and said microcontroller also connects described network communication controller.
In this on-line monitoring wrist strap earthing device, said microcontroller is a single-chip microcomputer.
In this on-line monitoring wrist strap earthing device, said single-chip microcomputer is an ATmega64 type single-chip microcomputer.
In this on-line monitoring wrist strap earthing device, said alarm module comprises hummer and LED lamp indication warning, and hummer all is connected said microcontroller with LED lamp indication warning.
In this on-line monitoring wrist strap earthing device, said network communication controller is the RS485 controller, and described RS485 controller has the external network communication interface.
In this on-line monitoring wrist strap earthing device, said RS485 controller is a MAX1487 type RS485 controller.
The present invention also provides a kind of wrist strap ground connection online monitoring system that is applied to described on-line monitoring wrist strap earthing device; Said system comprises host computer and a plurality of described on-line monitoring wrist strap earthing device; Described host computer connects described each on-line monitoring wrist strap earthing device through fieldbus, and said each on-line monitoring wrist strap earthing device connects described fieldbus through described network communication controller.
In this wrist strap ground connection online monitoring system; Said network communication controller is the RS485 controller; Described RS485 controller has the external network communication interface, and described each on-line monitoring wrist strap earthing device connects described fieldbus through the external network communication interface of said RS485 controller.
The beneficial effect of the utility model is: the design of the utility model has not only realized the loop measuring ability of wrist strap ground connection; And can in time display the duty of wrist strap through what sound (hummer) or light (LED) were implemented; Use the MAX1487 controller, make whole device have communication function.In addition; The use ac power supply is put in repacking, and inside rectification again becomes two independently direct supplys, thereby effectively guarantees a shared power supply of device while of a plurality of the utility model; Bring great convenience for user's use, two parts circuit is coupled into a complete circuit through optocoupler.And the on-line monitoring wrist strap earthing device of the utility model and to have an online monitoring system of this device simple in structure, with low cost, range of application is comparatively extensive.
Description of drawings
Fig. 1 is the structural drawing of a specific embodiment of the on-line monitoring wrist strap earthing device of the utility model.
Fig. 2 is a specific embodiment power module circuitry figure of the on-line monitoring wrist strap earthing device of the utility model.
Fig. 3 is a specific embodiment wrist strap grounded inspection circuit figure of the on-line monitoring wrist strap earthing device of the utility model.
Fig. 4 is a specific embodiment microcontroller peripheral circuit diagram of the on-line monitoring wrist strap earthing device of the utility model.
Fig. 5 is a specific embodiment RS485 controller circuitry figure of the on-line monitoring wrist strap earthing device of the utility model.
Fig. 6 is a specific embodiment warning device circuit diagram of the on-line monitoring wrist strap earthing device of the utility model.
Fig. 7 is the system architecture synoptic diagram of the online monitoring system of the utility model.
Embodiment
In order more to be expressly understood the technology contents of the utility model, the special following examples of lifting specify.
As shown in Figure 1, on-line monitoring wrist strap earthing device comprises first power module 1, second source module 2, microcontroller 3, wrist strap grounded inspection circuit 4, warning device 5, RS485 controller 6, optocoupler 7.First power module 1, the input end of second source module 2 all connects AC power, and wherein first power module, 1 output terminal connects the input end of microcontroller 3, is the digital circuit power supply, converts the alternating voltage of 12V into the 5V direct supply and supplies microcontroller to use; Second source module 2 output terminal connection hand wrist strap grounded inspection circuits 4 are the testing circuit power supply, convert the alternating voltage of 12V into the 9V direct supply and supply wrist strap grounded inspection circuit 4 to use; Wrist strap grounded inspection circuit 4 connects an end of optocoupler 7, and the other end of optocoupler 7 is connected to the input end of microcontroller 3, and microcontroller 3 output terminals connect warning device 5, and microcontroller 3 also connects RS485 controller 6, and RS485 controller 6 is provided with communication interface.
Said warning device 5 comprises hummer and LED lamp indication warning, and hummer all is connected microcontroller with LED lamp indication warning.
As shown in Figure 2, be power module circuitry figure, adopt outside 12V Alternating Current Power Supply; Through diode D1, D2, D3, D4; D5, D6, D7, two bridge rectifier circuits of D8 again through LM7809, the voltage stabilizing of LM7805 stabilivolt, obtain 2 independently power supply+9V and+5V.
As shown in Figure 3, be wrist strap grounded inspection circuit circuit diagram, when wrist strap and ground wire all are connected normal the time; Capacitor C 4; C5 is operated in state of saturation (not discharging and recharging), in the time of wrist strap or ground wire disconnection, and capacitor C 4; C5 begins continuous impulse electricity, and output terminal OUT1 output this moment one is similar to sinusoidal wave signal.Through D101, U2A handles again, and signal is sent into microcontroller (single-chip microcomputer) at last.
As shown in Figure 4, the microcontroller circuit connection layout, wherein microcontroller adopts single-chip microcomputer, and single-chip microcomputer is selected ATmega64 for use.The SCM peripheral circuit comprises the Jtag debugging module among the figure, and this part is the control section of whole device.
As shown in Figure 5, RS485 controller circuitry figure, RS485 controller 6 is selected MAX1487 for use.U6 is MAX1487 among the figure, and the signal of single-chip microcomputer is by DI (transmission), RO (acknowledge(ment) signal), and DE is for sending and accepting enable signal, and signal is again from 485A, and 485B sees (RS485 signal) off, and U7 is a terminal.
As shown in Figure 6, the warning device circuit diagram, wherein U8 is for being total to positive dual-colored LED lamp (redness, green), and RING is the continuity hummer, and U5 is an optocoupler.
The utility model also provides a kind of wrist strap ground connection online monitoring system that is applied to described on-line monitoring wrist strap earthing device; As shown in Figure 7; In one embodiment; Said system comprises host computer and a plurality of described on-line monitoring wrist strap earthing device, and described host computer connects described each on-line monitoring wrist strap earthing device through fieldbus, and said each on-line monitoring wrist strap earthing device connects described fieldbus through described network communication controller.
In a kind of more preferably embodiment; Said network communication controller is the RS485 controller; Described RS485 controller has the external network communication interface, and described each on-line monitoring wrist strap earthing device connects described fieldbus through the external network communication interface of said RS485 controller.
In practical application, the wrist strap of the utility model is inserted testing circuit through stationary device, and other end ground wire is also inserted testing circuit, forms a loop with human body.When any link in this loop went wrong, this device was reported to the police through warning device (LED lamp and hummer) immediately, and passed through the RS485 communication interface to the state of this moment, imported in the network.
In detection system as shown in Figure 7, this system has protocol conversion gateway, the host computer monitoring software ESDMonitor of the wrist strap ground connection monitor terminal, Modbus and the TCP/IP that have the Modbus EBI.
The wrist strap ground connection monitor terminal that wherein has the Modbus EBI, hardware components adopt single-chip microcomputer (ATMEGA64) and RS485 controller (MAX1487) to design, and wherein the Modbus agreement adopts the FreeModbus agreement.
Modbus and ICP/IP protocol transfer gateway, hardware components adopt ARM chip STR710 as main control chip, and the RS485 controller adopts MAX1487, and wherein the ICP/IP protocol stack is lwip.The Modbus protocol stack adopts FreeModbus, and the OS system adopts ucos-ii.
ESDMonitor software mainly possesses, and shows (state of monitor terminal work) in real time, warning function, statistics and printing function, and development platform adopts VC6.0.
The whole operational process of system is following: monitor terminal at first detects the ground connection situation of wrist strap; Confirm the duty that it is present; Mainly contain three kinds of states: (ground connection is normal) in proper working order; Work undesired (ground connection is undesired) holding state (wrist strap does not give monitor terminal and is connected).And the data of the preservation of implementing detection, and, send data to TCP/IP and Modbus gateway through the Modbus interface according to the order that fieldbus transmits.
TCP/IP in the system and Modbus transfer gateway have been realized the message conversion between two kinds of agreements.The data that Modbus is transmitted; Become TCP/IP message form; And be sent to message on the TCP/IP network, unanimity is imported monitoring ESDMonitor at last into, and ESDMonitor is presented on the PC what the state of monitor terminal was implemented; And according to its state whether decision reports to the police, finally all data in real time is recorded on the PC.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and the scope of the utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (8)
1. an on-line monitoring wrist strap earthing device is characterized in that described device comprises power module, microcontroller; The wrist strap grounded inspection circuit, alarm module, network communication controller and optocoupler; Wherein: said power module comprises first power supply and second source; The input end of described first power supply and second source all is connected AC power, and the output terminal of described first power supply connects the input end of said microcontroller, and the output terminal of described second source connects said wrist strap grounded inspection circuit; Said wrist strap grounded inspection circuit connects said optocoupler one end; The said optocoupler other end connects the input end of said microcontroller, and said microcontroller output terminal connects said alarm module, and said microcontroller also connects described network communication controller.
2. on-line monitoring wrist strap earthing device according to claim 1 is characterized in that said microcontroller is a single-chip microcomputer.
3. on-line monitoring wrist strap earthing device according to claim 2 is characterized in that said single-chip microcomputer is an ATmega64 type single-chip microcomputer.
4. on-line monitoring wrist strap earthing device according to claim 1 is characterized in that said alarm module comprises hummer and LED lamp indication warning, and hummer all is connected said microcontroller with LED lamp indication warning.
5. according to each described on-line monitoring wrist strap earthing device in the claim 1 to 4, it is characterized in that said network communication controller is the RS485 controller, described RS485 controller has the external network communication interface.
6. on-line monitoring wrist strap earthing device according to claim 5 is characterized in that said RS485 controller is a MAX1487 type RS485 controller.
7. wrist strap ground connection online monitoring system that is applied to the described on-line monitoring wrist strap of claim 1 earthing device; It is characterized in that said system comprises host computer and a plurality of described on-line monitoring wrist strap earthing device; Described host computer connects described each on-line monitoring wrist strap earthing device through fieldbus, and said each on-line monitoring wrist strap earthing device connects described fieldbus through described network communication controller.
8. wrist strap ground connection online monitoring system according to claim 7; It is characterized in that said network communication controller is the RS485 controller; Described RS485 controller has the external network communication interface, and described each on-line monitoring wrist strap earthing device connects described fieldbus through the external network communication interface of said RS485 controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201606152U CN202120099U (en) | 2011-05-19 | 2011-05-19 | Wrist strap online monitoring grounding device and online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201606152U CN202120099U (en) | 2011-05-19 | 2011-05-19 | Wrist strap online monitoring grounding device and online monitoring system |
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| Publication Number | Publication Date |
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| CN202120099U true CN202120099U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201606152U Expired - Fee Related CN202120099U (en) | 2011-05-19 | 2011-05-19 | Wrist strap online monitoring grounding device and online monitoring system |
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| CN (1) | CN202120099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375932A (en) * | 2018-02-10 | 2018-08-07 | 殷玉彩 | A kind of multiplexed signal sampling and processing system with low-power consumption ability |
| CN112748703A (en) * | 2019-10-29 | 2021-05-04 | 广东毅达医疗科技股份有限公司 | Novel intelligent manufacturing anti-static monitoring control system and method thereof |
-
2011
- 2011-05-19 CN CN2011201606152U patent/CN202120099U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375932A (en) * | 2018-02-10 | 2018-08-07 | 殷玉彩 | A kind of multiplexed signal sampling and processing system with low-power consumption ability |
| CN112748703A (en) * | 2019-10-29 | 2021-05-04 | 广东毅达医疗科技股份有限公司 | Novel intelligent manufacturing anti-static monitoring control system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANTONG RUITONG ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DONG HEGANG Effective date: 20140226 Free format text: FORMER OWNER: SHANGHAI YANXIANG AUTOMATION TECHNOLOGY CO., LTD. Effective date: 20140226 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200092 YANGPU, SHANGHAI TO: 226010 NANTONG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140226 Address after: 226010 Jiangsu province Nantong City Shing Road No. 188 building 1003 block D outsourcing Patentee after: Nantong Rui Tong Electronic Technology Co., Ltd. Address before: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee before: Dong Hegang Patentee before: Shanghai Yanxiang Automation Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20150519 |
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| EXPY | Termination of patent right or utility model |