CN109485007A - Ration distribution control system - Google Patents

Ration distribution control system Download PDF

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Publication number
CN109485007A
CN109485007A CN201811410090.6A CN201811410090A CN109485007A CN 109485007 A CN109485007 A CN 109485007A CN 201811410090 A CN201811410090 A CN 201811410090A CN 109485007 A CN109485007 A CN 109485007A
Authority
CN
China
Prior art keywords
oil
hair oil
hair
controller
flowmeter
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.)
Pending
Application number
CN201811410090.6A
Other languages
Chinese (zh)
Inventor
张伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Longxie Information Technology Co Ltd
Original Assignee
Chongqing Longxie Information Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Longxie Information Technology Co Ltd filed Critical Chongqing Longxie Information Technology Co Ltd
Priority to CN201811410090.6A priority Critical patent/CN109485007A/en
Publication of CN109485007A publication Critical patent/CN109485007A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/36Arrangements of flow- or pressure-control valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/04Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/32Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/3209Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to spillage or leakage, e.g. spill containments, leak detection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/78Arrangements of storage tanks, reservoirs or pipe-lines

Abstract

Present invention employs a kind of ration distribution control systems, including hair oil main control module, hair oil controller and hair oil execution unit, hair oil main control module is connect by communicator with hair oil controller, hair oil execution unit includes oil tank, oil pump, flowmeter, Numerical control valve, the oil outlet of oil tank passes sequentially through piping connection oil pump, flowmeter and Numerical control valve, the outlet of Numerical control valve is connected with oil filling riser, thermometer is provided on pipeline between oil pump and flowmeter, oil pump, flowmeter, Numerical control valve passes through signal wire and is electrically connected with hair oil controller, pump controller is connected between oil pump and hair oil controller, static oil spill protector is electrically connected on hair oil controller;It further include the processing module of making out an invoice being connect with hair oil main control module, processing module of making out an invoice is connected with IC card reader.Compared with the prior art, safe and reliable the invention has the following beneficial effects: draining the oil, automatic control can be used and drain the oil.

Description

Ration distribution control system
Technical field
The present invention relates to a kind of hair oil loading system, in particular to a kind of ration distribution loading system.
Background technique
Oil depot intelligent monitoring manages platform management informationization and monitoring automation two large divisions;IT application in management platform is main It is dominated by enterprise-level real time historical database and Enterprise Information Portal, predominantly oil depot provides Centralized Monitoring and information management function Energy.Summary center of the enterprise-level real time historical database as the field measurement data at all oil depot scenes, mentions for Centralized Monitoring There is provided reliable initial data for data supporting, while for Enterprise Information Portal, be the plan of POL depot management, information of making out an invoice, The data mining work of the functional modules such as stock control, management and running and chemical examination management provides support.
In real time/historical data base system can provide oil depot model, production and operation management, equipment operation management, danger source And a variety of dispatching management modules such as contingency management, history are recollected, production report, it may be said that real time historical database is for oil depot Intelligent monitoring manages for platform just as the black box on aircraft, is the key that intelligent plant.Ration loading system at present, It is slow that there are processing speeds, and precision is low, and the convenience of hair oil is poor.
Summary of the invention
For the deficiency in the presence of the prior art, the object of the present invention is to provide a kind of ration distribution control system, It drains the oil safe and reliable.
To achieve the above object, present invention employs the following technical solutions: a kind of ration distribution control system, including hair Oily main control module, hair oil controller and hair oil execution unit, hair oil main control module will propose oily information and be sent to hair oil control Instrument, hair oil controller, which will propose oily information and be converted into proposing oil instruction, is sent to hair oil execution unit, and hair oil execution unit is for receiving The hair oil instruction that hair oil controller issues carries out hair oil to mention oily vehicle;Hair oil main control module is controlled by communicator and hair oil Instrument connection, hair oil execution unit include oil tank, oil pump, flowmeter, Numerical control valve, and the oil outlet of oil tank passes sequentially through piping connection oil Pump, flowmeter and Numerical control valve, the outlet of Numerical control valve are connected with oil filling riser, are provided with temperature on the pipeline between oil pump and flowmeter Meter, oil pump, flowmeter, Numerical control valve pass through signal wire and are electrically connected with hair oil controller, connect between oil pump and hair oil controller It is connected to pump controller, is electrically connected with static oil spill protector on hair oil controller;It further include being connect with hair oil main control module Processing module of making out an invoice, processing module of making out an invoice is connected with IC card reader.
Standard RS485, RS232, RJ45 communication interface are used in the present invention, communication modes are mutually redundant, and are used MODBUSRTU and ICP/IP protocol, convenient for networking, configuration and with the system communications such as other PLC, DCS, to get through information-based pipe Platform and industrial configuration software data exchange channels realize control layer and management level data interaction and long-range control.
Compared with the prior art, safe and reliable the invention has the following beneficial effects: draining the oil, automatic control can be used and put Oil.
Detailed description of the invention
Fig. 1 is this bright the system composition block diagram;
Fig. 2 is oil pump oil outlet connecting line figure of the present invention;
Fig. 3 is that sealing structure and flowmeter and flange terminal pad cooperate schematic diagram in the embodiment of the present invention one;
Fig. 4 is that sealing structure and flowmeter and flange terminal pad cooperate schematic diagram in the embodiment of the present invention two;
Fig. 5 is sealed structural schematic diagram in the embodiment of the present invention two;
Fig. 6 is the portion A enlarged drawing in Fig. 5.
In figure: early gate 1, flowmeter 2, flange terminal pad 3, late gate 4, switch valve 5, bypass pipe 6, sealing ring 7, sealing Slot 8, support land 9, sealing hole 10, metal o-ring 11, annular seal groove 12, annular groove 13, mounting groove 15, seal convexity 16, Airtight and watertight padding pad 17.
Specific embodiment
Following further describes the present invention with reference to the drawings.
As shown in Figure 1, a kind of ration distribution control system of the present invention, including hair oil main control module, hair oil control Instrument and hair oil execution unit processed, hair oil main control module will propose oily information and be sent to hair oil controller, and hair oil controller will mention oil Information is converted into proposing oil instruction and is sent to hair oil execution unit, and hair oil execution unit is used to receive the hair oil of hair oil controller sending Instruction carries out hair oil to mention oily vehicle;Hair oil main control module is connect by communicator with hair oil controller, hair oil execution unit Including oil tank, oil pump, flowmeter, Numerical control valve, the oil outlet of oil tank passes sequentially through piping connection oil pump, flowmeter and Numerical control valve, The outlet of Numerical control valve is connected with oil filling riser, and thermometer, oil pump, flowmeter, number are provided on the pipeline between oil pump and flowmeter Control valve passes through signal wire and is electrically connected with hair oil controller, is connected with pump controller between oil pump and hair oil controller, is sending out Static oil spill protector is electrically connected on oily controller;Further include the processing module of making out an invoice being connect with hair oil main control module, opens Ticket processing module is connected with IC card reader.
It further include monitoring module and information acquisition module, monitoring module is connect with information acquisition module, information acquisition module In hair oil controller, information acquisition module for acquiring the operation shape of oil pump, flowmeter, Numerical control valve and thermometer in real time State is handled and is saved in real time to data, and monitoring module is monitored according to the data information of acquisition module, failure cause is divided Analysis, parameter maintenance, state collection.
Further include remote control module, remote control module be used for hair oil controller network communication, realize to hair oil control Long-range start and stop, the operating parameter modification of instrument processed.
It further include authority management module, authority management module executes corresponding function according to post authority distribution, and provides more Grade authentication, it is ensured that the user only authorized could access the equipment in corresponding region, remotely controlling, check number to equipment According to, check that warning function has carried out delineation of power, with ensure it is reliable to the safe operation of equipment.
As shown in Fig. 2~Fig. 6, hardware components of the invention include hair oil host, hair oil communicator and hair oil executive device, Hair oil host and hair oil communicator communicate to connect, and hair oil executive device includes ration distribution controller, oil pump, thermometer, flow Meter 2 and Numerical control valve, ration distribution controller and hair oil communicator communicate to connect, oil pump, thermometer, flowmeter 2 and Numerical control valve Control interface passes through signal wire and is electrically connected with ration distribution controller, and the oil inlet end of oil pump passes through the oil outlet of pipeline and oil tank Connection, the oil outlet of oil pump are sequentially connected thermometer, flowmeter 2 and Numerical control valve by pipeline;On the pipeline of 2 input end of flowmeter Be provided with early gate 1, late gate 4 be provided on the pipeline of 2 outlet end of flowmeter, the inlet side of early gate 1 pipeline with after The pipeline upper flange of 4 outlet of valve is connected with bypass pipe 6, and switch valve 5 is provided on bypass pipe 6.In addition, passing through in flowmeter 2 Flanged joint is in pipeline, therefore, in order to improve leakproofness, is provided between flowmeter 2 and flange close in the two Seal structure.
Embodiment one
The sealing structure may include 2 nozzle of flowmeter, flange terminal pad 3, combined seal ring 7 and filler, and flowmeter 2 is managed One section of sealing hole 10 is provided at mouthful, the internal diameter of sealing hole 10 is greater than the internal diameter of flow channels in flowmeter 2, sealing hole 10 and mistake Support land 9 is formed between circulation road, is provided with the seal convexity that can be protruded into sealing hole 10 on the mounting surface of flange terminal pad 3 16, seal convexity 16 is contacted with the inner wall of sealing hole 10, is provided with sealing ring 7 between seal convexity 16 and support land 9, close Seal 7 is provided with seal groove 8 on an end face opposite with support land 9, is provided in support land 9 and connects with sealing ring 7 The airtight and watertight padding pad 17 of touching.
It is sealed, is unlikely to deform by the nozzle junction that 17 pairs of flowmeters 2 are padded in sealing ring 7 and airtight and watertight padding, sealed The seal groove 8 of the lower part setting of circle 7 plays the role of double-layer seal by the Liang Tiaobi of seal groove 8, to significantly improve sealing Effect.
Airtight and watertight padding pad 17 is installed between sealing ring 7 and seal convexity 16.Airtight and watertight padding is padded 17 pairs of fluids and is stopped, The leakage of fluid is prevented, sealing effect is improved.
The cross section of the seal groove 8 can be in U-shape or V-arrangement, and the slot bottom of seal groove 8 is arc.
Embodiment two
Certainly, another implementation of sealing structure may be the metal o-ring 11 of annular, in metal o-ring Annular seal groove 12 is provided on 11 two sides, 12 width of rebate of annular seal groove is greater than slot bottom width, annular seal groove 12 Cell wall and 11 side of metal o-ring formed cross section angle a be 75-80 degree, be provided in the end face of 2 nozzle of flowmeter Mounting groove 15 is provided with annular groove 13 corresponding with mounting groove 15, mounting groove 15 and annular groove in the connecting end surface of flange terminal pad 3 13 are formed together the installation space of metal o-ring 11, and metal o-ring 11 is mounted in installation space, and in annular seal groove Airtight and watertight padding is provided in 12.The cross section angle a that the cell wall of annular seal groove 12 and 11 side of metal o-ring are formed is 75 Degree, 76 degree, 78 degree or 80 degree, are bonded airtight and watertight padding on the cell wall of annular seal groove closer, improve sealing effect, to prevent Stopping leak dew.
The thickness of metal o-ring 11 is greater than the depth of mounting groove 15.It will by metal o-ring 11 after sealing structure installation The joint face of flange and 2 nozzle of flowmeter extends to respective inside, then combined by annular seal groove 12 with airtight and watertight padding Sealing means avoid the risk of leakage, guarantee the reliability drained the oil.The discrepancy of flowmeter 2 is connected to by metal o-ring 11 Mouth and its pipe joint, have prevented the end face seal directly in the flange connection surface of flowmeter, have avoided the sealing due to end face Circle deformation causes flange connection surface that gap occurs, the problem of leakage.
It is worth noting that, the early gate 1, late gate 4, switch valve 5 are Numerical control valve.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the scope of the claims of invention.

Claims (4)

1. a kind of ration distribution control system, including hair oil main control module, hair oil controller and hair oil execution unit, hair oil master Control module will propose oily information and be sent to hair oil controller, and hair oil controller, which will propose oily information and be converted into proposing oil instruction, to be sent to Oily execution unit, the hair oil instruction that hair oil execution unit is used to receive the sending of hair oil controller carry out hair oil to mention oily vehicle;Its Be characterized in that: hair oil main control module is connect by communicator with hair oil controller, hair oil execution unit include oil tank, oil pump, Flowmeter, Numerical control valve, the oil outlet of oil tank pass sequentially through piping connection oil pump, flowmeter and Numerical control valve, and the outlet of Numerical control valve connects It is connected to oil filling riser, thermometer is provided on the pipeline between oil pump and flowmeter, oil pump, flowmeter, Numerical control valve pass through signal Line is electrically connected with hair oil controller, is connected with pump controller between oil pump and hair oil controller, is electrically connected on hair oil controller It is connected to static oil spill protector;It further include the processing module of making out an invoice being connect with hair oil main control module, processing module of making out an invoice connection There is IC card reader.
2. ration distribution control system as described in claim 1, it is characterised in that: further include monitoring module and information collection mould Block, monitoring module are connect with information acquisition module, and information acquisition module is located in hair oil controller, and information acquisition module is for real When acquisition oil pump, flowmeter, Numerical control valve and thermometer operating status, data are handled and are saved in real time, monitoring module It is monitored according to the data information of acquisition module, failure reason analysis, parameter maintenance, state collection.
3. ration distribution control system as claimed in claim 2, it is characterised in that: it further include remote control module, it is long-range to control Molding block is used to modify the long-range start and stop of hair oil controller, operating parameter with hair oil controller network communication, realization.
4. ration distribution control system as claimed in claim 1,2 or 3, it is characterised in that: it further include authority management module, power It limits management module and executes corresponding function according to post authority distribution, and multistage authentication is provided, it is ensured that the user only authorized The equipment in corresponding region could be accessed, to equipment remotely control, check data, check warning function carried out permission draw Point, it is reliable to the safe operation of equipment to ensure.
CN201811410090.6A 2018-11-23 2018-11-23 Ration distribution control system Pending CN109485007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811410090.6A CN109485007A (en) 2018-11-23 2018-11-23 Ration distribution control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811410090.6A CN109485007A (en) 2018-11-23 2018-11-23 Ration distribution control system

Publications (1)

Publication Number Publication Date
CN109485007A true CN109485007A (en) 2019-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811410090.6A Pending CN109485007A (en) 2018-11-23 2018-11-23 Ration distribution control system

Country Status (1)

Country Link
CN (1) CN109485007A (en)

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1518583A (en) * 1976-03-09 1978-07-19 Teplotekh Nii Im Fe Dzerzhin V Sealed assembly
JPH0446296A (en) * 1990-06-13 1992-02-17 Toraibo Tex Kk Oil filling managing system
FR2671848A1 (en) * 1991-01-23 1992-07-24 Supranite Ste Indle Equip Meca SEAL, PARTICULARLY FOR FLANGE CONNECTION.
JP2007084134A (en) * 2005-09-26 2007-04-05 Tokiko Techno Kk Shipment control system
CN201348108Y (en) * 2008-12-02 2009-11-18 江阴市恒润法兰有限公司 Flange
CN102070116A (en) * 2009-11-19 2011-05-25 上海轻叶工程科技有限公司 Distributed quantitative loading control system
CN102653385A (en) * 2012-04-16 2012-09-05 深圳市奥图威尔科技有限公司 Explosion-proof loading batch control instrument system
CN203890045U (en) * 2014-06-06 2014-10-22 武汉浩新科技有限公司 Quantitative oil supplying and truck loading system
CN104500747A (en) * 2014-11-21 2015-04-08 广西智通节能环保科技有限公司 Silica gel filling U-shaped spring seal ring
CN204714507U (en) * 2015-05-29 2015-10-21 山东陆地科技有限责任公司 Crude oil auto-control ration loading apparatus
CN105526376A (en) * 2016-02-01 2016-04-27 无锡智能自控工程股份有限公司 Dynamic load sealing type two-valve-seat structure of fixed ball-valve
CN205298801U (en) * 2016-01-09 2016-06-08 志远科技有限公司 Take middling pressure plate valve in water conservancy diversion hole
CN105757239A (en) * 2014-12-20 2016-07-13 陈婧怡 Metal sealing ring
CN105782557A (en) * 2014-12-16 2016-07-20 彭小燕 Valve body sealing structure
CN206246722U (en) * 2016-12-01 2017-06-13 中山高达阀门有限公司 A kind of ball valve of good sealing effect
CN206572100U (en) * 2017-03-07 2017-10-20 江苏华电管道设备有限公司 Whirl compensator filler flange pressing device
CN107450440A (en) * 2017-08-25 2017-12-08 天津市毅进通用石油工业设备有限公司 Intelligent Oil Filling Monitoring and Control System and its monitoring method
CN107893884A (en) * 2017-11-29 2018-04-10 西南石油大学 A kind of submarine pipeline connects device
CN207830596U (en) * 2018-01-05 2018-09-07 浙江宝丰阀门有限公司 A kind of forged steel gate valve of good airproof performance

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1518583A (en) * 1976-03-09 1978-07-19 Teplotekh Nii Im Fe Dzerzhin V Sealed assembly
JPH0446296A (en) * 1990-06-13 1992-02-17 Toraibo Tex Kk Oil filling managing system
FR2671848A1 (en) * 1991-01-23 1992-07-24 Supranite Ste Indle Equip Meca SEAL, PARTICULARLY FOR FLANGE CONNECTION.
JP2007084134A (en) * 2005-09-26 2007-04-05 Tokiko Techno Kk Shipment control system
CN201348108Y (en) * 2008-12-02 2009-11-18 江阴市恒润法兰有限公司 Flange
CN102070116A (en) * 2009-11-19 2011-05-25 上海轻叶工程科技有限公司 Distributed quantitative loading control system
CN102653385A (en) * 2012-04-16 2012-09-05 深圳市奥图威尔科技有限公司 Explosion-proof loading batch control instrument system
CN203890045U (en) * 2014-06-06 2014-10-22 武汉浩新科技有限公司 Quantitative oil supplying and truck loading system
CN104500747A (en) * 2014-11-21 2015-04-08 广西智通节能环保科技有限公司 Silica gel filling U-shaped spring seal ring
CN105782557A (en) * 2014-12-16 2016-07-20 彭小燕 Valve body sealing structure
CN105757239A (en) * 2014-12-20 2016-07-13 陈婧怡 Metal sealing ring
CN204714507U (en) * 2015-05-29 2015-10-21 山东陆地科技有限责任公司 Crude oil auto-control ration loading apparatus
CN205298801U (en) * 2016-01-09 2016-06-08 志远科技有限公司 Take middling pressure plate valve in water conservancy diversion hole
CN105526376A (en) * 2016-02-01 2016-04-27 无锡智能自控工程股份有限公司 Dynamic load sealing type two-valve-seat structure of fixed ball-valve
CN206246722U (en) * 2016-12-01 2017-06-13 中山高达阀门有限公司 A kind of ball valve of good sealing effect
CN206572100U (en) * 2017-03-07 2017-10-20 江苏华电管道设备有限公司 Whirl compensator filler flange pressing device
CN107450440A (en) * 2017-08-25 2017-12-08 天津市毅进通用石油工业设备有限公司 Intelligent Oil Filling Monitoring and Control System and its monitoring method
CN107893884A (en) * 2017-11-29 2018-04-10 西南石油大学 A kind of submarine pipeline connects device
CN207830596U (en) * 2018-01-05 2018-09-07 浙江宝丰阀门有限公司 A kind of forged steel gate valve of good airproof performance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨利丰;温春林;王昊;: "成品油库刷卡付油批量装车信息系统的设计", 仪器仪表标准化与计量, no. 05 *

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