CN203376637U - Tank truck loading control system - Google Patents
Tank truck loading control system Download PDFInfo
- Publication number
- CN203376637U CN203376637U CN201320498388.3U CN201320498388U CN203376637U CN 203376637 U CN203376637 U CN 203376637U CN 201320498388 U CN201320498388 U CN 201320498388U CN 203376637 U CN203376637 U CN 203376637U
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- China
- Prior art keywords
- control system
- flow
- loading
- tank car
- integrating instrument
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- Expired - Fee Related
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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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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
A tank truck loading control system includes a centralized control system which uses a control room operator station to carry out centralized management and a distributed control system which uses an on-site quantitative loading controller as a decentralized independent control unit. The distributed control system includes a plurality of filling stations; each filling station comprises a flow computer / totalizer which is in signal connection with the centralized control system; each filling station is provided with a plurality of loading arms; each loading arm is provided with a pressure gauge, a temperature measuring element, a flow meter and a flow control digital valve; the pressure gauge, the temperature measuring element, the flow meter and the flow control digital valve of each loading arm is in signal connection with the flow computer / totalizer. The tank truck loading control system can transmit the information needed to start any tank truck loading program from the workstation of the control room to the flow computer / totalizer in the remote automatic manner, and is simple in structure, high in modularization, strong in anti-interference ability, and high in system reliability.
Description
Technical field
The utility model relates to a set of fuel for inflammable and explosive places such as oil, chemical industry oil depot filing table and city gas bottling systems and distributes the breakdown trailer filling apparatus, specifically refers to that a kind of tank car loads control system.
Background technology
The development of poL storage automation is that the development along with automatic technology and instrument and meter for automation gets up.At the end of the seventies in last century, external oil depot brings into use computing machine to carry out the hair oil operation.Early stage oil delivery device comprises the equipment such as volumetric displacement meter, filtrator, gas separator, valve and oil temperature detection, according to pipeline oil temperature, density, hair oil volume, automatically calculate hair oil weight by computing machine, and, by the open and close of computer control valve, reach freely filling purpose.
After the eighties in last century, along with at home universal of computing machine, many research units and producer have developed automatic Oil Dispatching System.These Realization of Products central controlled function, be subject to the favor of small-sized oil depot and refuelling station.But, due to the reasons such as restriction of domestic production technological level, these products are compared with Foreign Advanced Lerel also has certain gap.
The utility model content
The utility model provides a kind of tank car to load control system, meets the request for utilization of large-scale oil, chemical industry oil depot filing table and city gas bottling system etc. fully and has high automatic controlling level.
For this reason, adopt following technical scheme:
A kind of tank car loads control system, comprises and take centralized control system that the pulpit active station is centralized management and take in situ quantitation entrucking controller as disperseing the Distributed Control System (DCS) of independent control unit; Described Distributed Control System (DCS) comprises several filing tables, and this each filing table is provided with flow computer/integrating instrument, and this flow computer/integrating instrument is connected with described centralized control system signal; Described filing table is provided with some loading arms, be provided with successively tensimeter, temperature-measuring element, flow on each loading arm and take into account the flow control digital valve, tensimeter, temperature-measuring element, the flow on this each loading arm taken into account the flow control digital valve and is connected with described flow computer/integrating instrument signal.
The utility model is simple in structure, modularization is stronger, environmental requirement is low, be convenient to Installation and Debugging, select the PLC control circuit that the Industry Control reliability is fabulous, select general purpose industrial computer, reduce maintenance levels and strengthened antijamming capability, play the raising system reliability, the network management Position Design can transmit at a high speed data accurately.That centralized system management possesses is visual, networking and internet security (specific data supervisor graded encryption) can accurately obtain data.
the accompanying drawing explanation:
fig. 1canned block diagram of the present utility model;
fig. 2the utility model control system block diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of tank car loads control system, comprises and take centralized control system (PLC control system) that the pulpit active station is centralized management and take in situ quantitation entrucking controller as disperseing the Distributed Control System (DCS) of independent control unit; Described Distributed Control System (DCS) comprises several filing tables, and this each filing table is provided with flow computer/integrating instrument, and this flow computer/integrating instrument is connected with described centralized control system signal; Described filing table is provided with some loading arms, be provided with successively tensimeter, temperature-measuring element, flow on each loading arm and take into account the flow control digital valve, tensimeter, temperature-measuring element, flow on this each loading arm taken into account the flow control digital valve and is connected with described flow computer/integrating instrument signal, and flow computer/integrating instrument adopts under RS-485 standard and Modbus rtu protocol and by the communication network of carrying out field, tank wagon monitored and controlled.
Described centralized control system is global design with the instrument be associated on each loading arm on filing table, and as one single can be automatically, the module operation of autonomous running, the flow computer of each filing table/integrating instrument management, monitoring and report are to pulpit separately.
Wherein said flow computer/integrating instrument is the electronic equipment of measuring for closed conveying, on the basis of using electronic microprocessor, and regulates a plurality of loading arms in simultaneously treated mode, continuously or sequenced mode all can.The volume correction factor that the final measurement that flow computer/integrating instrument carries out depends on temperature, pressure and fuel density correction carries out auto-compensation.Flow computer/integrating instrument has the ability of the printing support that generates local clearing and Long-distance Control document, and in addition, flow computer/integrating instrument also possesses processes a plurality of intelligence inputs, as: digital control valve, flow transmitter, temperature etc.
.flow computer/integrating instrument has the port of two digital communications, for while exchange message to two a different remote information system, monitoring and controlling tank wagon pouring process, under RS-485 standard and Modbus rtu protocol, by the communication network of carrying out field, tank wagon is monitored and controlled.Information by these channel transmission will and record aforesaid operations for Real-Time Monitoring.
Described flow is counted the Scroll-type flowmeter, and flowmeter has the mechanical hook-up that progressively reduces pressure to guarantee the high precision of measuring in measuring chamber, uses the accessory of lockable stator to improve its durability and to improve dynamic equilibrium.Flow pattern in order to ensure the flowmeter inlet fluid reaches optimum Expected Results, and reduces to be arranged on the physical size on pipeline, has used rectifier unit, and as one, in order to support the measurement of fuel sales, flowmeter accuracy is ± 0.25%.
Described flow control digital valve is spherical, be characterized in high-level efficiency, compact to design, physical construction is simple, reduce seal leakage, the major function of this valve is to allow the perfusion in lorry cabin complete successively, that is to say, if the flow while starting is very low, will make it jump to gradually a peak-peak, jump to gradually in the same way again afterwards minimum point, valve possesses by automatic operation and carries out the required all devices of regulation and control and accessory, utilize two solenoid valves to be controlled, often open for one, one is normally closed, be positioned at inflow point and exit to be used alternatingly.
Described temperature-measuring element is RTD, and the PT-100 type is three line styles, precision ± 0.1% ° C, and the major function of this element is that the instantaneous delivery of being discharged to tank wagon by loading arm is calculated in compensation.
Described manometric Main Function is that the instantaneous delivery that allows liquefied petroleum gas (LPG) to be dispatched to lorry is compensated by the actual pressure value of implementing in scheduling process.
Described flow computer/integrating instrument is controlled monitor with the overflow control be connected with tank car and ground connection and is connected.Overflow control and ground connection are controlled monitor and are used as a protection system; to check out that vehicle correctly is equipped with and when earthing mechanism is arranged; tank wagon may occur that fuel protects tank wagon before overflowing; when this equipment Inspection go out tank wagon some inner oil tank overflow boundary the time; will suitably automatically stop filling; and can not have influence on the filling of other storage facilities, and report this event by the standard traffic passage RS-485 of Modbus RTU or the standard ethernet ICP/IP protocol of TCP/IP to centralized control system immediately.
Described loading arm is provided with two manual emergency buttons, and this manual emergency button is connected with described centralized control system by the discrete output of centralized control system, in the situation that any anomalous event appears in filing table, takes suitable action.
Described flow computer/integrating instrument is with local printer.When tank wagon completes loading process, local printer generates a actual print record, and product type and the final definite delivery amount of loading arranged in record.By the communication port under rs-232 standard or interconnected by high frequency analog signals and flow computer/integrating instrument.
Described centralized control system be provided with monitoring and control master server and and its standby server matched, show the state of each filing table that is used for dispatching specific products and show in real time sendout, aequum and the measured instantaneous delivery in allocation flow.
the utility model is mainthe function realized:
1. receive and be discharged into the fuel quantity in each tank wagon with input form.
2. at the tank wagon loading process and after loading, measure and control the instantaneous delivery soon at first used.
3. calculate the final fuel quantity of each loading arm scheduling, and measure temperature and density.
4. for each dispatch command creates a file record, indicate therein the number of the dispatch command of sending to, fuel and the final withdrawal volume of scheduling.
5. the workstation that is positioned at pulpit shows intended volume, instantaneous delivery and the integrated flux relevant to each tank wagon in real time.
6. the workstation that is arranged in pulpit is notified any alarm occurred in scheduling process in the mode of audiovisual, the alarm that flow computer/integrating instrument is relevant is particularly arranged.
7. show the level condition of storage tank representative in tank wagon on image and active screen.
8. browse the final data that flow computer/integrating instrument is relevant to being dispatched to the tank wagon process, and make a file, its form or template can be for the final supports of final bill or scheduling.Definitive document should be sent to the database by factory's far management system management.
A part as the automated procedures of implementing in project mid-term, this system should be able to lock to the load module of flow computer/any tank wagon of integrating instrument transmission start the information needed from the workstation that is positioned at pulpit with the form of remote automation, from the preloading data of workstation and by the manual command input system.
Claims (5)
1. a tank car loads control system, comprises and take centralized control system that the pulpit active station is centralized management and take in situ quantitation entrucking controller as disperseing the Distributed Control System (DCS) of independent control unit; It is characterized in that: described Distributed Control System (DCS) comprises several filing tables, and this each filing table is provided with flow computer/integrating instrument, and this flow computer/integrating instrument is connected with described centralized control system signal; Described filing table is provided with some loading arms, be provided with successively tensimeter, temperature-measuring element, flow on each loading arm and take into account the flow control digital valve, tensimeter, temperature-measuring element, the flow on this each loading arm taken into account the flow control digital valve and is connected with described flow computer/integrating instrument signal.
2. a kind of tank car according to claim 1 loads control system, it is characterized in that: described flow computer/integrating instrument is controlled monitor with the overflow control be connected with tank car and ground connection and is connected.
3. a kind of tank car according to claim 1 loads control system, and it is characterized in that: described loading arm is provided with the manual emergency button, and this manual emergency button is connected with described centralized control system by the discrete output of centralized control system.
4. a kind of tank car according to claim 1 loads control system, and it is characterized in that: described flow computer/integrating instrument is with local printer.
5. a kind of tank car according to claim 1 loads control system, it is characterized in that: described centralized control system is provided with monitoring and controls master server and and its standby server matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498388.3U CN203376637U (en) | 2013-08-15 | 2013-08-15 | Tank truck loading control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498388.3U CN203376637U (en) | 2013-08-15 | 2013-08-15 | Tank truck loading control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376637U true CN203376637U (en) | 2014-01-01 |
Family
ID=49839160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498388.3U Expired - Fee Related CN203376637U (en) | 2013-08-15 | 2013-08-15 | Tank truck loading control system |
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| Country | Link |
|---|---|
| CN (1) | CN203376637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106463116A (en) * | 2014-06-11 | 2017-02-22 | 霍尼韦尔国际公司 | Plant control system using voice as a control mechanism |
| CN106865474A (en) * | 2017-03-29 | 2017-06-20 | 中国石油天然气集团公司 | Adjusting means is measured in a kind of high-temperature sticky liquid entrucking |
| CN108319212A (en) * | 2018-01-02 | 2018-07-24 | 武汉钢铁工程技术集团有限责任公司 | Energy information acquisition method applied to cigarette factory and energy information system of cigarette factory |
-
2013
- 2013-08-15 CN CN201320498388.3U patent/CN203376637U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106463116A (en) * | 2014-06-11 | 2017-02-22 | 霍尼韦尔国际公司 | Plant control system using voice as a control mechanism |
| CN106865474A (en) * | 2017-03-29 | 2017-06-20 | 中国石油天然气集团公司 | Adjusting means is measured in a kind of high-temperature sticky liquid entrucking |
| CN108319212A (en) * | 2018-01-02 | 2018-07-24 | 武汉钢铁工程技术集团有限责任公司 | Energy information acquisition method applied to cigarette factory and energy information system of cigarette factory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20180815 |