CN102890480A - Wireless monitoring and control system of safety station in process factory - Google Patents
Wireless monitoring and control system of safety station in process factory Download PDFInfo
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- CN102890480A CN102890480A CN201110217544XA CN201110217544A CN102890480A CN 102890480 A CN102890480 A CN 102890480A CN 201110217544X A CN201110217544X A CN 201110217544XA CN 201110217544 A CN201110217544 A CN 201110217544A CN 102890480 A CN102890480 A CN 102890480A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000008569 process Effects 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 title claims description 37
- 230000004913 activation Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 14
- 238000004886 process control Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 3
- 238000012905 input function Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000011112 process operation Methods 0.000 description 3
- 238000012369 In process control Methods 0.000 description 2
- 238000010965 in-process control Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 238000004140 cleaning Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003863 physical function Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
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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]
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- Safety Devices In Control Systems (AREA)
Abstract
The invention discloses a safety station used in a process factory. The safety station comprises one lever-free limiting switch or multiple lever-free limiting switches which is/are used for detecting the activation of one or multiple parts of the safety station. The safety station also comprises a wireless transmitter, wherein the wireless transmitter is coupled to the lever-free limiting switch, thus a signal which is related to the safety station to base station equipment, and the wireless transmitter is coupled to one or multiple control and/or monitor equipment in a communication way.
Description
Technical field
Relate to the process plant security system on the present invention is general, more specifically, relate to the safety station in wirelessly monitoring and the control procedure factory.
Background technology
Process Control System, those Process Control Systems of in chemistry, oil or other processes, using for example, generally include one or more process controllers concentrated or that disperse, these controllers are coupled at least one main frame or operator workstation communicatedly, and the analog/digital bus by emulation bus, number bus or combination is coupled to one or more process control and appliance arrangement such as, field apparatus.Field apparatus can be, for example, valve, valve positioner, switch, transmitter and sensor are (for example, temperature, pressure and flow sensor), it is positioned at the process plant environment, and the function in the implementation process, such as controlled valve, measurement process parameters, increase or minimizing Fluid Flow in A etc.Such as deferring to famous FOUNDATION
TMFieldbus (hereinafter referred to as " fieldbus ") agreement or HART
Other control functions that the smart machine of the field apparatus of agreement also can also be implemented control calculating, alarm function and usually realize in process controller.
Process controller is usually located in the process plant environment, and it receives signal and/or other information relevant with field apparatus of being made or being associated with field apparatus, indicate process measurement or process variable by field apparatus, and implementation controller is used.Controller use to be realized for example different control modules, and they are made process control and determine, based on the Information generation control signal that receives, and cooperates with control module or the block implemented in the field apparatus such as HART and fieldbus field apparatus.Control module in the process controller transmits control signal to field apparatus by communication line or signal path, thus the operation of control procedure.
Usually, information from field apparatus and process controller is available for one or more other hardware devices, for example, operator workstation, the maintenance work station, personal computer, handheld device, data history records, Report Builder, centralized data base etc., so that operator, the maintainer can implement the required function about process, for example, change the setting of process control routine, the operation of the control module in change procedure controller or the smart devices, the current state of the particular device in the current state of view procedure or the process plant, check the alarm that field apparatus and process controller generate, the operation of simulation process for the purpose of training employee or test process control software, problem in the diagnostic procedure factory or hardware fault etc.
Although typical process plant has many process control and appliance arrangement, such as the valve that is connected to one or more process controllers, transmitter, sensor, but exist many other for process operation necessity or the support equipment relevant with process operation.Those additional equipment comprise, for example, power-supply unit, generating and power distribution equipment, such as the whirligig of turbine, motor etc., it is arranged in a plurality of positions of typical factory.Although the purpose for the influence process operation, should additional device not necessarily create or the use procedure variable and, in many cases, do not controlled or even be not coupled to process controller, but this device is important for the normal operation of process, and is very important.
Additionally, process plant generally includes various safety stations (for example, safe shower, eye washer station, etc.), and it is arranged in whole factory, in case of emergency to be used by the millworker.Yet different from above-mentioned smart devices or other similar field apparatuss, the safety station in the process plant usually can't be monitored or control by Process Control System or in any other mode.Provide monitoring or a small amount of control system of control function usually to utilize wire communication between watch-dog and the safety station, and this wired communication system normally costliness and be difficult to installation.Utilize radio chains fetch to the operator remind safety station activation, simple supervisory system usually depends on mechanical switch, flow switch or proximity detector and checks that the safety station activates.Yet, usually perform poor in the required environment that this detection method usually occurs in process plant and usually be insecure.
Summary of the invention
In one embodiment, the safety station that is used in process plant comprises one or more without the lever limit switch, for detection of the activation of one or more parts at described safety station.This is stood safely and also comprises radio transmitters, and it is coupled to described without the lever limit switch, and the signal that will be associated with described safety station is sent to base station equipment, and it is coupled to one or more controls and/or monitoring module communicatedly.In one embodiment, described safely station is safe shower and/or eye washer station.
According to an embodiment, be the GO that is made by Top Walker's (TopWorx) company without the lever limit switch
Switch.In addition, in one embodiment, keep locking until physics resets without the lever limit switch.According to an embodiment, radio transmitters is Rosemount (Rosemount) the 702 dual input transmitters of being made by Ai Mosen company.In another embodiment, radio transmitters is the radio transmitters of another intrinsic safety.According to an embodiment, to be connected to the control of base station and/or monitoring station be remote touch screen control panel, without paper register, workstation, other monitoring that are fit to and/or the combination of opertaing device or those equipment.
According to another embodiment, safety station monitoring in the process plant and control system comprise one or more safety station, it has assembled without the lever limit switch and has been coupled to the radio transmitters of described limit switch, and comprises the base station, and it is coupled to the first monitoring and/or control module communicatedly.In at least some embodiment, the base station is coupled to the second monitoring and/or control module further.In one embodiment, described safely station is safe shower and/or eye washer station.According to specific embodiment, to be connected to the control of base station and/or monitoring station be remote touch screen control panel, without paper register, workstation, other monitoring that are fit to and/or the combination of opertaing device or those equipment.
In certain embodiments, monitoring and/or control module are configured to detect the misuse at safety station.Additionally or alternatively, in another embodiment, monitoring and/or control module are configured to detect the situation that the people falls down.Still further, in another embodiment, monitoring and/or control module are configured to, and additionally or alternatively, the record security station is activated event and closed rule to be used for safety standard.
Description of drawings
Fig. 1 shows example process control system environment, wherein can use to the wireless communication link at safety station;
Fig. 2 shows the exemplary safety station of having assembled radio transmitters;
Fig. 3 shows the example system configuration that utilizes the wireless monitor link according to an embodiment;
Fig. 4 shows another example system configuration that utilizes the wireless monitor link according to another embodiment;
Fig. 5 shows the example system configuration according to an embodiment, therein, can utilize the radio communication between safe station and monitoring and the control module;
Fig. 6 shows another example system configuration according to another embodiment, therein, can utilize the radio communication between safe station and monitoring and the control module;
Fig. 7 shows the exemplary embodiment according to an embodiment, and therein, each comprises additional radio transmitters in the station safely, and it can be used to send additional data.
Embodiment
Fig. 1 shows example process control system 10.Process Control System 10 comprises the one or more process controllers 12 that are connected to one or more main workstations or computing machine 14 (it can be personal computer or the workstation of any type), it also is connected to row's I/O (I/O) equipment 20,22, wherein each by then be connected to one or more field apparatuss 25.Controller 12, it can be the DeltaV that Fei Sheer-Rosemount System Co., Ltd sells only for examplely
TMController, it is connected to principal computer 14 communicatedly by for example Ethernet connection 40 or other communication linkages.Similarly, controller 12 also uses with for example standard 4-20ma equipment and/or any required hardware and software that is associated with any intelligence communication agreement such as field bus protocol or HART agreement and is connected to communicatedly field apparatus 25.Usually known to, controller 12 is realized or is monitored process control routine stored thereon or associated therewith and communicate by letter next with any required mode control procedure with equipment 25.
Field apparatus 25 can be the equipment of any type, such as sensor, valve, transmitter, steady arm, etc., can be the I/O equipment that meets such as any type of any required communication of HART, fieldbus, Profibus etc. or controller protocol and arrange I/O cards in 20,22.In the embodiment shown in fig. 1, field apparatus 25a-25c is the standard 4-20ma equipment of communicating by letter with I/O card 22a by analog line.Field apparatus 25d-25f is illustrated as the HART equipment of the I/O card 20A that is connected to compatible HART.Similarly, field apparatus 25j-25l is the smart machine such as the fieldbus field apparatus, and it is communicated by letter by number bus 42 or 44 I/O card 20B or the 22B that communicate by letter with example such as field bus protocol.Certainly, field apparatus 25 and row I/O card 20 and 22 can also meet arbitrarily other desired one or more standards or agreements except meeting 4-20ma, HART or field bus protocol, comprise arbitrary standards or the agreement of in the future exploitation.
Each controller 12 is configured to adopt usually alleged functional block to implement control strategy, wherein each functional block be the overall control routine a part (for example, subroutine), and with other functional blocks (by being called as communicating by letter of linking) synthetic operation with implementation procedure control loop in Process Control System 10.Functional block is implemented in input function, control function, the output function usually.Input function is the input function that is associated such as with transmitter, sensor or other process parameter measurement device, the control function is the control function that is associated such as with the control routine of implementing the controls such as PID, fuzzy logic, output function is the operation of some equipment of control, such as the operation of valve, in Process Control System 10, to carry out the output function of some physical functions.Certainly, also there are functional blocks that mix and other types.The group of those functional blocks is called as module.Functional block and module can be stored in the controller 12 and by its execution, be used in these functional blocks, normally this situation when perhaps being associated with the smart devices of standard 4-20ma equipment and some types, perhaps functional block and module can be stored in field apparatus itself and by its realization, may be this situation for field bus device.Although the description of the control system that provides here is to use the functional block control strategy, but also can use other traditional, such as ladder logic, sequential flowchart etc. and realize or design control strategy with any required proprietary or non-proprietary programming language.
Process Control System 10 also comprises one or more safety station 27, such as such as safe shower, eye washer station etc.Safety station 27 can be by workstation 14, long distance wireless touch-screen control panel 70, monitor and/or control without the combination of paper record cell 72 or any other suitable monitoring and/or opertaing device or these equipment.Various controls and/or watch-dog may be positioned at the pulpit of factory, ensure public security office, first-aid station etc.Safety station 27 can be equipped with radio transmitters 31 so that safe station can with monitoring or opertaing device radio communication.For this reason, Process Control System 10 also comprise can example such as HART agreement, OPC agreement, modbus Ethernet protocol etc. receive the base station (or gateway) 60 of signals from radio transmitters 31, and by for example Ethernet connect 40 or other suitable communication linkages these signals are relayed to various controls and/or watch-dog.
In certain embodiments, Process Control System 10 comprises a plurality of safety station 27, wherein all or some and various monitoring and/or opertaing device radio communication.In some such embodiment, single base station 60 can be used to a plurality of safety station is wirelessly connected to monitoring and/or opertaing device.In at least some embodiment, some in the safety station 27 are for example used I/O equipment 20 by wired connection, are connected to monitoring and/or opertaing device, and other are stood safely and are controlled and/or monitor by wireless connections as described above.
Fig. 2 shows exemplary safety station 200 (being the safe showers with eye washer station) that are equipped with radio transmitters 208 here.Safe shower 200 comprises two switches (or detecting device) 212, and wherein each is for detection of the activation of the valve in the safe shower 200 (that is, be used for the switch of shower valve and be used for the switch of eye washer station valve).In the embodiment of Fig. 2, switch 212 is the GO that produced by Walker's company of Top
Switch.Usually, GO
Switch or other similarly provide superior performance without lever limit switch (that is, extreme temperature, extreme pressure, be exposed to corrosive substance etc.) under possible abominable factory condition.In one embodiment, the radio transmitters among Fig. 2 is the Rosemount of intrinsic safety wireless 702 discrete transmitters, and it is applicable to the danger position in process plant similarly.Certainly, in other embodiments, based on the characteristic of the particular procedure factory system that uses safety station 200, switch 212 and radio transmitters 208 can be other suitable equipment.
Fig. 3 shows the example system configuration 300 of safety station 302 and gateway 304 wireless connections, and gateway 304 then connects 310 by Ethernet and is connected to wireless remote touch-screen control panel 308.Wireless remote control plate 308 can be positioned at the scene, for example in first-aid station, so that the operator can monitor the activity at the various safety station in the factory.In one embodiment, if the safety station (for example is activated, shower or eye washer station are opened), then radio transmitters sends corresponding signal (" alarm ") notifying the operator, can follow certain rules after this operator and come to assess and take action according to this specific situation.Using GO
Switch or similarly detect among the embodiment of activation at safety station without the lever limit switch, switch will keep locking until resetted by operator's physics.Therefore in this embodiment, if the millworker is by for example opening shower or eye washer station comes activator switch, and faint subsequently or want help (" people falls down " scene), then switch will keep locking and alarm signal will be sent to constantly first-aid station (operator), so that can provide necessary help for this workman.Such alarm signal can the person of being operated be used for the use at monitoring safety station and the misuse at identification safety station (for example, use safe shower under nonemergency, for example be used for washing one's hands or cleaning means).
In another example system 400 shown in Figure 4, safety station 402 is wirelessly connected to without paper register 404 by gateway 408.This system configuration can be used to for example to be convenient to meet some safety rule (for example ANSI's (ANSI) guide or the other standards that used by OSHA (the Occupational Health and Safety Administration) (OSHA)) that may require safety station in the processing plant to meet some performance and keep some standards.For example these guides can require safety in the processing plant to stand in certain time period to be activated, for example weekly.Consider these requirements, in one embodiment, the transmitting time stamp was simplified substantially with safety thus and is closed maintenance and the logging program that rule are associated when the radio transmitters 410 at safety station 402 can be activated (or deactivation) at each safety station 402.Certainly, these timestamps can be additionally or alternatively are used to process plant monitoring and/or control system, close rule purpose in addition to be used for safety rule.
Fig. 5 shows another system configuration that can use radio communication between safety station and monitoring and control module.In the embodiment of Fig. 5, safety station 502 is connected to long distance wireless touch-screen control panel 504 by wireless link, and also is connected to programmable logic controller (PLC) (PLC) 510 by Ethernet switch 512.Similarly, in the embodiment show in figure 6, wireless security station 602 is wirelessly connected to programmable logic controller (PLC) (or dcs (DCS)) 604 and workstation 606 (it can comprise the man-machine interface (HMI), supervisory control and data acqui sition system (SCADA) module etc. that show alarm or other data relevant with the safety station to the operator).
Fig. 7 shows each 702 exemplary embodiment that comprise the additional radio transmitters 704 that can be used to send the additional data relevant with the safety station of standing safely.In exemplary embodiment shown in Figure 7, safety station 702 is shower and eye washer station, and this additional data can be water temperature for example.This embodiment is similar to the embodiment of Fig. 5 previously discussed, can for example be used to safety equipment and safeguard, and if for example safety rule require water temperature within the specific limits, can also be used to safety rule and to close rule.
Although described the present invention with reference to object lesson, but these examples only are intended to schematically but not only limit to the present invention, to those skilled in the art, it is evident that, to change, increase and/or the deletion of disclosed embodiment all are not break away from spirit and scope of the invention.Instructions is described and example only is considered to exemplary, by following claim essential scope of the present invention and spirit is described.
Claims (22)
1. a safety that is used in process plant is stood, and described safety station comprises:
One or more without the lever limit switch, for detection of the described safely activation of one or more parts at station; And
Radio transmitters, it is coupled to described without the lever limit switch, and the signal that will be associated with described safety station is sent to base station equipment, and wherein said base station equipment is coupled to one or more controls and/or monitoring module communicatedly.
2. safety according to claim 1 is stood, and it is characterized in that, described is the GO that is made by Walker's company of Top without the lever limit switch
Switch.
3. safety station according to claim 1 is characterized in that, describedly keeps locking until physics resets without the lever limit switch.
4. safety according to claim 1 is stood, and it is characterized in that, described radio transmitters is the Rosemount 702 dual input transmitters of being made by Ai Mosen company.
5. safety according to claim 1 is stood, and it is characterized in that, described radio transmitters is the radio transmitters of intrinsic safety.
6. safety according to claim 1 is stood, and it is characterized in that, described safety station is safe shower and/or eye washer station.
7. safety according to claim 1 is stood, and it is characterized in that, at least one in described one or more controls and/or the monitoring station is remote touch screen control panel.
8. safety according to claim 1 is stood, and it is characterized in that, at least one in described one or more controls and/or the monitoring station is without the paper register.
9. safety according to claim 1 is stood, and it is characterized in that, at least one in described one or more controls and/or the monitoring station is workstation.
10. the monitoring of safety station and the control system in the process plant, described system comprises:
One or more safety station, it has assembled without lever limit switch and the radio transmitters that is coupled to described limit switch, and
The base station, it is coupled to the first monitoring and/or control module communicatedly.
11. system according to claim 10 is characterized in that, described is the GO that is made by Walker's company of Top without the lever limit switch
Switch.
12. system according to claim 10 is characterized in that, describedly keeps locking until physics resets without the lever limit switch.
13. system according to claim 10 is characterized in that, described radio transmitters is the Rosemount 702 dual input transmitters of being made by Ai Mosen company.
14. system according to claim 10 is characterized in that, described radio transmitters is the radio transmitters of intrinsic safety.
15. system according to claim 10 is characterized in that, described one or more safety station comprises safe shower and eye washer station.
16. system according to claim 10 is characterized in that, at least one in described one or more controls and/or the monitoring station is remote touch screen control panel.
17. system according to claim 10 is characterized in that, at least one in described one or more controls and/or the monitoring station is without the paper register.
18. system according to claim 10 is characterized in that, at least one in described one or more controls and/or the monitoring station is workstation.
19. system according to claim 10 is characterized in that, described base station is coupled to the second monitoring and/or control module further.
20. system according to claim 10 is characterized in that, described monitoring and/or control module are configured to detect the misuse of safety station.
21. system according to claim 10 is characterized in that, described monitoring and/or control module are configured to detect the situation that the people falls down.
22. system according to claim 10 is characterized in that, at least one in described monitoring and/or the control module is configured to the record security station and activates event to close rule for safety standard.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110217544XA CN102890480A (en) | 2011-07-20 | 2011-07-20 | Wireless monitoring and control system of safety station in process factory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110217544XA CN102890480A (en) | 2011-07-20 | 2011-07-20 | Wireless monitoring and control system of safety station in process factory |
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| CN102890480A true CN102890480A (en) | 2013-01-23 |
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| CN201110217544XA Pending CN102890480A (en) | 2011-07-20 | 2011-07-20 | Wireless monitoring and control system of safety station in process factory |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955182A (en) * | 2016-05-16 | 2016-09-21 | 上海航天能源股份有限公司 | Remote pressure regulating system and method used for gas pressure regulating station |
| CN109144009A (en) * | 2018-09-17 | 2019-01-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Monitoring method, the device and system of field device |
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| US6633786B1 (en) * | 1999-05-07 | 2003-10-14 | Mark M. Majors | Irrigation safety control system |
| US20050017663A1 (en) * | 2003-04-23 | 2005-01-27 | Michael Anderson | Monitored transmitter and receiver system and method for safety devices |
| US7011652B1 (en) * | 2002-12-18 | 2006-03-14 | Berke-Tec, Inc. | Eye wash station |
| US20060106499A1 (en) * | 2004-10-22 | 2006-05-18 | Roosli Philipp A | System and method for emergency shutdown of selected services and facilities in a multi-unit building |
| US20080122575A1 (en) * | 2006-11-24 | 2008-05-29 | Yoel Lavian | Remote configuration of security-oriented devices |
-
2011
- 2011-07-20 CN CN201110217544XA patent/CN102890480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6633786B1 (en) * | 1999-05-07 | 2003-10-14 | Mark M. Majors | Irrigation safety control system |
| US7011652B1 (en) * | 2002-12-18 | 2006-03-14 | Berke-Tec, Inc. | Eye wash station |
| US20050017663A1 (en) * | 2003-04-23 | 2005-01-27 | Michael Anderson | Monitored transmitter and receiver system and method for safety devices |
| US20060106499A1 (en) * | 2004-10-22 | 2006-05-18 | Roosli Philipp A | System and method for emergency shutdown of selected services and facilities in a multi-unit building |
| US20080122575A1 (en) * | 2006-11-24 | 2008-05-29 | Yoel Lavian | Remote configuration of security-oriented devices |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955182A (en) * | 2016-05-16 | 2016-09-21 | 上海航天能源股份有限公司 | Remote pressure regulating system and method used for gas pressure regulating station |
| CN109144009A (en) * | 2018-09-17 | 2019-01-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Monitoring method, the device and system of field device |
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Application publication date: 20130123 |