CN103728479B - Dust static - Google Patents
Dust static Download PDFInfo
- Publication number
- CN103728479B CN103728479B CN201310493037.8A CN201310493037A CN103728479B CN 103728479 B CN103728479 B CN 103728479B CN 201310493037 A CN201310493037 A CN 201310493037A CN 103728479 B CN103728479 B CN 103728479B
- Authority
- CN
- China
- Prior art keywords
- dust
- electrostatic
- real
- static electricity
- static
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Elimination Of Static Electricity (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to a kind of dust static, mainly solve prior art designs complicated, relatively costly problem.The present invention is by using a kind of dust static, the signal that static electricity scouting instrument detects is produced voltage analog signal through resistance, described analog signal enters the acquisition module being connected with dc source, data signal is converted to through described acquisition module, and export RS 485 serial communication signals, described data signal enters computer Multi-serial port board, read by the MCGS software systems installed in computer and obtain dust electrostatic voltage value, the technical scheme realizing the monitoring in real time to dust electrostatic preferably solves the problems referred to above, can be used for during dust electrostatic monitors in real time.
Description
Technical field
The present invention relates to a kind of dust static.
Technical background
Industrial staticelectricity is in industrial production, storage and transport process, produces and tire out on material, device, human body, equipment and building
The electrostatic amassed.It has strong influence to safety in production, product quality.Along with the development of science and technology, Ren Leishe
Can progress, macromolecular material, microelectronic component and explosion-protection equipment be widely used in every field, the harm day that electrostatic causes
Benefit is paid close attention to by people.Static discharge is possible not only to cause the burning beyond inflammable, explosion hazard gases, blast, and permissible
Make electronic equipment be interfered, cause contingency.To this end, the research of electrostatic defending measure has become as industrially developed country
The research field attached great importance to.
In powder storage and transport process, the generation of electrostatic is inevitable.Substantial amounts of assemble due to fricative electrostatic charge
Getting up, once the dust concentration in tank body is higher than minimum explosion limit, and the voltage that static electric field produces is higher than flammable limits, just
Can explode.
In numerous electrostatic research topics, owing to powder electrostatic disaster problem relates to professional wide, cause calamity process complicated, mould
The reasons such as draft experiment difficulty is big, and expense is high, so for the other field of modern electrostatic research, powder electrostatic disaster
Research its mechanism that electrifies, cause the aspect such as calamity condition and prevention methods relatively lag behind.The field needs although powder electrostatic is taken precautions against natural calamities
The problem researched and solved is a lot, but since the 1950's, the progress of this respect is always little, and it studies water
Put down and lag far behind the technical research such as liquid antistatic disaster, there is bigger gap with actual requirement.
The method utilizing electrostatic on-line real time monitoring can measure electrostatic potential, understanding equipment material shape timely to administrative staff
State, scents a hidden danger in time, and the industrial accident effectively controlling to be caused by electrostatic has important practical significance.
CN200420031776.1 relate to a kind of embedded multifunctional smoke dust on-line monitoring system, including infrared
Injection device, infrared receiving device and master controller, master controller is made up of single-chip microcomputer, button, display and memory, red
Emission device is by double loop infrared illuminator, for providing constant power supply to infrared illuminator and making infrared illuminator send out
The constant-power power source of the infrared light going out uniform intensity is constituted, and infrared receiving device is by photodetector, is connected on photodetection
The preamplifier of device output and be connected on the signal adapter of preamplifier output and constitute, and photodetector and front
Put amplifier to combine in a machine box, the I/O port of single-chip microcomputer is connected to for realizing the setting of remote instruments parameter and number
RS232 interface according to transmission.
Currently there are some tool and methods carrying out electrostatic monitoring the most in real time, but due to monitoring method and soft or hard
Part design is relative complex, relatively costly.
Summary of the invention
The technical problem to be solved is that in prior art, Monitoring Design real-time to dust electrostatic is complicated, relatively costly
Problem, it is provided that a kind of new dust static.The method, in dust electrostatic is monitored in real time, has design
Simply, lower-cost advantage.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows: a kind of dust static, will
The signal of static electricity scouting instrument detection produces voltage analog signal through resistance, and the entrance of described analog signal is connected with dc source
Acquisition module, is converted to data signal through described acquisition module, and exports RS-485 serial communication signals, described numeral
Signal enters computer Multi-serial port board, the MCGS software systems installed in computer read and obtain dust electrostatic voltage
Numerical value, it is achieved the real-time monitoring to dust electrostatic.
In technique scheme, it is preferable that described resistance value is 350～600 ohm；Producing voltage analog signal is 2～10V.
In technique scheme, it is preferable that described static electricity scouting instrument is EST201 Non-contact vacuum static electricity scouting instrument.
In technique scheme, it is preferable that described acquisition module is deep lattice 7017 type.
In technique scheme, it is preferable that described computer Multi-serial port board is MOXA CP-114 type, is built in meter
In calculation machine.
In technique scheme, it is preferable that described static electricity scouting instrument is connected with at least one probe, pops one's head in as metal mold ball,
It is connected on static electricity scouting instrument by heatproof wire；It is further preferred that described probe is horizontally mounted, and seal.
In technique scheme, it is preferable that described system meets dust-proof, requirement of explosion proof.
In technique scheme, it is preferable that described MCGS software systems have realtime curve, the inquiry of historical data,
Real-time data base structure, warning, real time data form, the function of historical data report.
The dust that the present invention provides reacts or in the electrostatic method of real-time of storage device, to the device producing and storing dust
Carry out electrostatic on-line real time monitoring, to understand equipment material state in time, scent a hidden danger in time, effectively control to be caused by electrostatic
Industrial accident.Monitoring system mainly carries out on-line measurement by EST201 Non-contact vacuum electrostatic potential survey meter, logical
Cross deep lattice 7017 Analog input mModule and carry out data acquisition, convert analog signals into data signal, application
MCGS (Monitor and Control Generated System, monitor and control general-purpose system) software system design counts in real time
According to window, historical data window and build real-time data base, warning system etc..
Electrostatic data acquisition system, including using MOXA CP-114 multi-serial-port card, deep lattice 7017 acquisition module, EST201
Non-contact vacuum static electricity scouting instrument and dc source composition electrostatic detection system and with MSGS exploitation software systems.Warp
Crossing test, this cover system can complete electrostatic detection and works and send Realtime Alerts.
Static electricity scouting instrument produces the voltage analog signal of 2～10V through a resistance, and analog signal enters deep lattice 7017 and gathers
Module, is converted to data signal through module, and exports RS-485 serial communication signals, and data signal enters computer
MOXA CP-114 board is read by software, it is possible to measure voltage value.RS-485 is industrial field control at present
Most widely used a kind of serial communication protocol in bus.RS-485 serial bus interface standard transmits letter in differential balance mode
Number, there is the strongest antijamming capability, transfer rate is brought up to 10Mb/s, transmission range extends to 1219m, fully
Meet the needs carrying out long-range data transmission in industry spot.
In MCGS software design procedure, real-time, the history curve information of electrostatic potential value is asking of mainly should solving
Topic, by analyzing, according to the feature of device systems and the requirement of production run operation, devises following window in engineering:
(1) real time data window
Including real-time curve 1KV, 5KV, 20KV tri-kinds, it is simple to can be clear when measuring different electrostatic potential values
Display.Circulation script in user window adds voltage, relation between voltage millivolt and electrostatic potential: electricity
Pressure .Value=voltage millivolt .Value*0.001, electrostatic potential .Value=5* voltage .Value-30.
(2) historical data window
Including history curve 1KV, 5KV, 20KV within history curve 1KV, 5KV, 20KV, and one hour, can
To demonstrate recent and long-term electrostatic data easily.
(3) structure real-time data base
Real-time data base is the core of MCGS system, is also the data processing centre of application system, and system components is all with reality
Time database be data public domain, carry out data exchange, data process and realize the visualization processing of data.Therefore, create
Engineering must construct real-time data base.In " real-time data base " window page, in modes such as icon, list, particulars
The data object of oneself definition in display real-time data base, can select order by name or sequentially show data pair by type
As, it is also possible to shear, copy, paste the data object specified.
(4) real time data form
Real time data form is to carry out showing and beating by certain statement form by the value of the data object of current time in real time
Printing off, it is the reflection to instantaneous flow.In MCGS software systems, real time data form can pass through keisen
Component carrys out configuration display real time data form and it is printed out.
(5) historical data report
Historical data report be from historical data base extract deposit data record, historical data with certain form show with
Print.In MCGS software systems, historical data report can carry out configuration by " history table " animation component and show
Show real time data form and it is printed out.
(6) design of warning configuration
MCGS as the attribute of data object, is encapsulated in alert process in data object, by real-time data base operationally
Automatically process.When the value of data object or state change, real-time data base judges whether the data object of correspondence occurs
Whether the warning reported to the police or produced is over, and produced warning message notified to the other parts of system, with
Time, real-time data base, according to the configuration and setting of user, is stored in warning message in the deposit database file specified.
Owing to electrostatic test equipment is arranged in the deathtrap that there may be source of dust releasing, so needing to consider dust-proof protection
Problem, in order to make casing meet industry requirement of explosion proof.
Except to consider the requirement of explosion-proof aspect, in addition it is also necessary to consider the requirement of installation.Owing to test probe requires that level is pacified
Dress, and require to seal, so adding the difficulty of installation.Electrostatic probe be a metal mold ball, after through heat-resisting
Electric wire, is connected on electrostatic test measuring instrument by plug, and probe does not allow to contact conducting metal.During so installing, first will
PPR pipe, in a PPR pipe, is then put into an iron pipe to play a supporting role, by this iron pipe by electrostatic probe sheath
It is placed on the centre of flange, with a polytetrafluoro clip, iron pipe is fixed, fixing between flange and the ventilating opening of equipment.
The present invention, by using static electricity scouting instrument, acquisition module, Multi-serial port board and MCGS software systems, monitors in real time
Dust electrostatic voltage, reaches to monitor in real time the purpose of dust electrostatic.The administrative department that is established as of this monitoring method provides in real time
Multidate information, can help administrative staff to understand the duty of equipment in time, it is achieved the real-time management of production process effectively；
By the most current and historical trend data and curve, especially in conjunction with the multi-parameters model of equipment safety operation, can be early
Find potential faults；By MCGS software systems to the historical accumulation of real time data in production process, set up database,
Administrative staff can therefrom find the moving law of system, provides foundation, just for the time between overhauls(TBO) of equipment, the replacing of parts
Maintenance in administrative staff.Dust electrostatic Design of Real-Time Monitor in the present invention is simple, low cost, and application prospect is wide,
Achieve preferable technique effect.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of system of the present invention.
Fig. 2 is the electrostatic potential real-time curve monitoring window of MCGS of the present invention.
Fig. 3 is the electrostatic potential history curve monitoring window of MCGS of the present invention.
In Fig. 1: 1 is static electricity scouting instrument；2 is resistance；3 is acquisition module；4 is dc source；5 is probe；6 are
Computer.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Detailed description of the invention
[embodiment 1]
Fig. 1 is electrostatic data acquisition system design overall design, and EST201 Non-contact vacuum static electricity scouting instrument detects
Signal through 500 ohm resistance produce 5V voltage analog signal, analog signal enter be connected with dc source deep
Lattice 7017 acquisition module, is converted to data signal through described deep lattice 7017 acquisition module, and it is logical to export RS-485 serial
News signal, described data signal enters computer MOXA CP-114 Multi-serial port board, by the MC installed in computer
GS software systems read and obtain dust electrostatic voltage value, it is achieved the real-time monitoring to dust electrostatic.
Fig. 2 and Fig. 3 is electrostatic potential real-time curve and history curve.Including:
Startup system: start to measure in real time
Deposit system: be stored in measurement data
Warning system: alarm signal occurs during voltage over standard
Measure voltage display window: show the voltage value measured
Electrostatic potential display window: the electrostatic potential numerical value that display is measured
History curve (6 hours) window: the voltage curve within 6 hours
History curve (1 hour) window: the voltage curve within 1 hour
After system installation and debugging, clicking on startup system starting the page, software systems start on-line measurement, measure one section
After time, can recall real time data form and historical data report, real time data form is in real time by the number of current time
Showing by certain statement form according to the value of object and print, it is the reflection to instantaneous flow.Soft at MCGS
In part system, real time data form can carry out configuration display real time data form by keisen component and print defeated by it
Go out.Historical data report be from historical data base extract deposit data record, historical data with certain form show with
Print.In MCGS software systems, historical data report can carry out configuration by " history table " animation component
It is also printed out by display real time data form.
The generation reported to the police, notify and store to be automatically performed by real-time data base, to the response of actuation of an alarm by equipment operational administrative
Personnel as required, take Corresponding Countermeasures.In alarm screen window, place alarm indication animation component, and it is carried out group
State configures, and during operation, can realize showing in real time specified data object (relevant parameter of experimental bench simulated failure) warning message
Show.
Claims (2)
1. a dust static, produces voltage analog signal by the signal that static electricity scouting instrument detects through resistance,
Described analog signal enters the acquisition module being connected with dc source, is converted to data signal through described acquisition module, and defeated
Going out RS-485 serial communication signals, described data signal enters computer Multi-serial port board, by the MCGS installed in computer
Software systems read and obtain dust electrostatic voltage value, it is achieved the real-time monitoring to dust electrostatic；Static electricity scouting instrument is EST201
Non-contact vacuum static electricity scouting instrument；Acquisition module is deep lattice 7017 type；Computer Multi-serial port board is MOXA CP 114
Type, is built in computer；Described static electricity scouting instrument is connected with at least one probe, pops one's head in as metal mold ball, by heat-resisting
It is wired on static electricity scouting instrument；Probe is horizontally mounted, and seals；Described resistance value is 350～600 ohm；Produce
Voltage analog signal is 2～10V.
Dust static the most according to claim 1, it is characterised in that described MCGS software systems have reality
Time data show, the inquiry of historical data, real-time data base structure, warning, real time data form, the merit of historical data report
Energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310493037.8A CN103728479B (en) | 2013-10-18 | 2013-10-18 | Dust static |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310493037.8A CN103728479B (en) | 2013-10-18 | 2013-10-18 | Dust static |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103728479A CN103728479A (en) | 2014-04-16 |
| CN103728479B true CN103728479B (en) | 2016-08-17 |
Family
ID=50452641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310493037.8A Active CN103728479B (en) | 2013-10-18 | 2013-10-18 | Dust static |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103728479B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669079A (en) * | 2017-10-17 | 2019-04-23 | 中国石油化工股份有限公司 | Chemical powder packaging process electrostatic detection methods |
| CN110333171A (en) * | 2019-08-12 | 2019-10-15 | 山东科技大学 | Coal handling system transfer point dust concentration detecting method and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1698970A (en) * | 2005-05-27 | 2005-11-23 | 石家庄市自动化研究所 | Automatic control method for dust concentration and mating power supply device therefor |
| CN101038190A (en) * | 2006-03-13 | 2007-09-19 | 杜豫生 | Method and device for detecting micro-charge type online dust and detector pollution |
| CN101648164A (en) * | 2008-08-14 | 2010-02-17 | 大连嘉禾工业控制技术有限公司 | High-voltage electrostatic precipitator control system |
| CN201697975U (en) * | 2010-06-13 | 2011-01-05 | 山东科技大学 | Mining dust electric quantity measuring device |
| CN101975733A (en) * | 2010-09-27 | 2011-02-16 | 常熟市矿山机电器材有限公司 | Dust detection system and dust detection circuit |
| CN101995531A (en) * | 2009-08-13 | 2011-03-30 | 宝山钢铁股份有限公司 | Fault detection method of high-voltage direct current output loop of electrical dust collector |
| CN102221654A (en) * | 2011-04-09 | 2011-10-19 | 太原罗克佳华工业有限公司 | Monitoring and evaluation system of electrostatic deduster operation efficiency |
-
2013
- 2013-10-18 CN CN201310493037.8A patent/CN103728479B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1698970A (en) * | 2005-05-27 | 2005-11-23 | 石家庄市自动化研究所 | Automatic control method for dust concentration and mating power supply device therefor |
| CN101038190A (en) * | 2006-03-13 | 2007-09-19 | 杜豫生 | Method and device for detecting micro-charge type online dust and detector pollution |
| CN101648164A (en) * | 2008-08-14 | 2010-02-17 | 大连嘉禾工业控制技术有限公司 | High-voltage electrostatic precipitator control system |
| CN101995531A (en) * | 2009-08-13 | 2011-03-30 | 宝山钢铁股份有限公司 | Fault detection method of high-voltage direct current output loop of electrical dust collector |
| CN201697975U (en) * | 2010-06-13 | 2011-01-05 | 山东科技大学 | Mining dust electric quantity measuring device |
| CN101975733A (en) * | 2010-09-27 | 2011-02-16 | 常熟市矿山机电器材有限公司 | Dust detection system and dust detection circuit |
| CN102221654A (en) * | 2011-04-09 | 2011-10-19 | 太原罗克佳华工业有限公司 | Monitoring and evaluation system of electrostatic deduster operation efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103728479A (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204731317U (en) | A kind of intelligentized earth resistance tester | |
| CN104578429A (en) | Online operation monitoring system for cable branch box | |
| CN201611383U (en) | On-line detection device for shaft voltage and shaft current of generator | |
| CN106842031A (en) | Integrated motor intellectuality big data on-Line Monitor Device | |
| CN209325429U (en) | A kind of oil-gas pipeline leakage positioning system based on optical fiber | |
| CN109781201A (en) | Operate the gas meter, flow meter with intelligent power | |
| CN103728479B (en) | Dust static | |
| CN110223477A (en) | A kind of laboratory fire explosion method for early warning and its system | |
| CN104849639A (en) | System for online monitoring of partial discharge flashover of distribution network based on technology of ultraviolet light detection | |
| CN203101652U (en) | Radioactive source on-line monitor | |
| CN206209378U (en) | A kind of electromagnetism security protection comprehensive monitor system | |
| CN109268689A (en) | A kind of Ferrous Metallurgy gas piping scene leaks site monitoring system | |
| CN202274950U (en) | Wireless and optical fiber comprehensive temperature detection device for switch cabinet | |
| CN201449436U (en) | Failure diagnosing and positioning system for power system earthing net | |
| CN106353624A (en) | Power distribution automation power-outage-free debugging equipment and working method thereof | |
| CN203894311U (en) | Detection rod | |
| CN106500869A (en) | A kind of temperature of oil in transformer monitoring device based on fiber grating principle | |
| CN204789881U (en) | It puts flashover on -line monitoring system to join in marriage net office based on ultraviolet ray detection technique | |
| CN202133718U (en) | Simple on-line measuring instrument for ground resistor | |
| CN203242105U (en) | Electrical fire monitoring equipment | |
| CN207114410U (en) | explosion-proof combustible gas detecting device | |
| CN206788307U (en) | A kind of water flow indicator system of built-in intelligence monitoring function | |
| CN206387902U (en) | A kind of pressure-resistant integrated device of having good luck based on infrared control gate control system | |
| CN204789882U (en) | Join in marriage net fault diagnostic based on bivalve value | |
| CN110487323A (en) | A kind of Internet of Things electric power monitoring communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160531 Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. Applicant after: Sinopec Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant before: Sinopec Corp. Applicant before: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |