CN113252510A - Automatic oil receiving and unloading comprehensive management system for oil station - Google Patents
Automatic oil receiving and unloading comprehensive management system for oil station Download PDFInfo
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- CN113252510A CN113252510A CN202110247496.2A CN202110247496A CN113252510A CN 113252510 A CN113252510 A CN 113252510A CN 202110247496 A CN202110247496 A CN 202110247496A CN 113252510 A CN113252510 A CN 113252510A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/0007—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring
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Abstract
The invention discloses an oil product automatic loading and unloading comprehensive management system for an oil station, which comprises a main control system and an execution platform in control connection with the main control system, wherein a standard database and a data processing unit are arranged in the main control system, a standard density value is preset in the standard database, and the data processing unit realizes data comparison between an acquired data signal and a marked density value; the system comprises an execution platform, a main control system and an automatic controller, wherein the execution platform is composed of a pipeline densimeter, an electromagnetic valve and the automatic controller, the main control system is arranged in the automatic controller, the pipeline densimeter, the electromagnetic valve and the automatic controller are connected through pipelines and lines to realize interaction, the mechanical device with improved design is utilized in the oil receiving and unloading process, and manual operation is replaced by control means such as electronics and electricity, so that the oil receiving and unloading process can be normally carried out without manual intervention.
Description
Technical Field
The invention relates to an automatic oil product receiving and unloading technology, in particular to an automatic oil product receiving and unloading comprehensive management system for an oil station.
Background
Along with the continuous development and maturity of domestic product oil business enterprises, the construction scale of gas stations is continuously enlarged, the oil sales volume of a single gas station is gradually improved, the oil receiving and unloading volume is increased, therefore, the two groups of medium and medium petrochemicals gradually form a management mode of setting a special and part-time meter in the gas station, and the oil receiving and unloading work is charged by the special and part-time meter. However, the oil loading and unloading operation process of the existing gas station completely depends on manual operation, and manual active participation is not required in valve closing control after the oil loading and unloading quantity reaches the safe volume of the underground oil tank from judging whether the number of the delivered oil is consistent with the number of the oil to be loaded and unloaded by the underground tank, whether the connection between the oil unloading pipeline and the corresponding pipe orifice of the underground oil tank is correct or not.
The management mode and the personnel configuration are gradually improved and matured after years of operation, but new problems and defects faced by the mode are gradually highlighted with the continuous development of enterprises.
Firstly, as the market economy is further developed, the problem of unstable staff teams is inevitably brought by the revolution of enterprise labor and resource relationship, the mobility of staff in the gas station is obviously increased compared with the planned economic era, unprecedented pressure is brought to the construction of the staff teams of the gas station belonging to two groups and the training and cultivation of the business quality and capability of special and part-time staff, frequent movement of staff, particularly the loss of the mature staff, and the increasingly prominent risk is brought to the management of the number and quality of oil products in the gas station.
Secondly, with the development of enterprises, the country and the stockholders of the enterprises continuously provide new requirements for controlling the total amount of workers and improving the per-capita labor efficiency of the enterprises, in a call of reducing personnel and increasing efficiency, China oil and gas group companies firstly develop meter post optimization work in the domestic finished oil retail link and plan to gradually shift oil product metering work of a gas station, particularly oil product receiving and unloading work to the post of a gas station, but the service capacity and the personal quality of the gas station at the current stage are very worried by the matching degree of the work, and the safety risk of oil product receiving and unloading of the gas station is further increased while the finished oil management enterprises develop reducing personnel and increasing efficiency.
Thirdly, with the continuous development of human society, the global and urbanization process of all countries in the world is accelerated continuously, the damage of human beings to the natural environment is deepened gradually, and the sustainable development of the human society faces unprecedented severe challenges, so that the human beings are conscious to realize the importance of protecting the natural environment and maintaining ecological balance, and therefore, the countries continuously put forward new requirements on the safety and environmental protection work of dangerous chemical production and management enterprises.
In summary, product oil management enterprises, especially China oil group companies which inspire to go abroad and create international first-class energy enterprises, want to maintain and improve the core competitive power of the enterprises in a new round of development, and are required to creatively carry out work in two aspects of avoiding oil quality safety and environmental protection accidents, controlling total labor and improving per capita efficiency. Therefore, the disadvantages of the above management modes, the risks faced by the post integration and the personnel optimization proposed by the enterprise development, and the new requirements of the state on the safety and environmental protection work of the enterprise make the oil mixing accidents and oil overflow accidents caused by the oil receiving and discharging technology and the operation flow under the operation of the existing system become less and less tolerable, and new equipment and new technology are more and more urgently needed to improve the safety and reliability of the oil receiving and discharging.
Under the situation, the assumption of the oil product loading and unloading automatic control technology and the final proposal of the technical scheme of the automatic management platform become necessary products which are in line with the production needs and the development of the times.
Disclosure of Invention
The invention aims to provide an automatic oil loading and unloading comprehensive management system for an oil station, which effectively solves the technical problem.
In order to effectively solve the technical problems, the technical scheme adopted by the invention is as follows:
an oil station oil product automatic loading and unloading comprehensive management system comprises a main control system and an execution platform in control connection with the main control system, wherein a standard database and a data processing unit are arranged in the main control system, a standard density value is preset in the standard database, and the data processing unit realizes data comparison between an acquired data signal and a marked density value; the execution platform comprises pipeline densimeter, solenoid valve and automatic control, the major control system set up in the automatic control, just pipeline densimeter, solenoid valve and automatic control realize alternately through pipeline and line connection.
Particularly, the standard density value is a preset density value, the standard density value is randomly adjusted according to the actual density of the measured oil product under different air temperature conditions, and the display data precision is 0.0001 g/cc; and comparing the density signal sent by the densimeter with a standard density value, maintaining the output relay closing signal within a preset value range, and closing the relay closing signal when the output relay closing signal exceeds the preset value.
Particularly, the master control system comprises a control device, and an anti-static module is arranged in the control device through the extended design of a control circuit, wherein the anti-static module comprises a grounding alarm.
Particularly, the control circuit adopts an M9 control chip, and a data transmission protocol and an expansion interface are arranged, so that the data transmission function of an external large-scale zero-pipe information system is realized.
The invention has the beneficial effects that: the oil product automatic loading and unloading comprehensive management system of the oil station utilizes a mechanical device with improved design in the oil product loading and unloading process, and adopts control means such as electronics, electricity and the like to replace manual operation, so that the oil product loading and unloading process can be normally carried out without manual intervention; the automatic identification of the oil product receiving and unloading number and the automatic control of the oil product receiving and unloading quantity are realized.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a composition architecture diagram of the oil station oil product automatic loading and unloading integrated management system of the present invention.
FIG. 2 is a system architecture diagram of the oil station oil product automatic loading and unloading integrated management system of the present invention.
Detailed Description
Example 1:
in the present embodiment, the input signals are set as follows:
the design of 5 sets of relay switch signal input interfaces needs to be provided with an expansion function, and the input of 8 sets of switch signals can be increased later. 5 groups or 8 groups of two-wire system 4-20mA digital current signals transmitted by Hart protocol, wherein the signals may be different according to different sizes of signal sources, and the signals are identified to form displayable parameter values of 0.7000 to 0.9000.
The input interface is set as follows:
parameter values greater than 0.7000 to less than 0.9000 are preset respectively according to the number of sets of input signals. A matrix thin film numeric keyboard is used as an input device, a nixie tube is used for displaying, the display precision is 0.0001, and the group numbers are respectively displayed when preset parameters are displayed. The preset value can be adjusted at will according to the actual density of the oil product measured under different air temperature conditions, and the display data precision is 0.0001 g/cc.
The output control settings are as follows:
when the input relay switch signals of each group are normally open and the input digital signal value is within the preset value range of each group, the output switch signals of the output interfaces corresponding to each group are normally closed, the two previous conditions must be met simultaneously, otherwise, the output signals are normally open.
The system presets a density value, compares the density signal sent by the densimeter with a system preset value, keeps outputting a relay closing signal within the system preset value range, and closes the relay closing signal when the density signal exceeds the system preset value;
each group of preset parameter values has a power-down storage function, and the preset parameter values do not need to be repeatedly set every time the power is re-electrified.
The parameter presetting interface can be used for switching a setting state and a working state, an output signal is normally open in the setting state, and the parameter presetting cannot be carried out in the working state. Each group of circuits can work independently and do not influence each other.
As shown in fig. 1 and fig. 2, an oil station oil product automatic loading and unloading integrated management system disclosed in this embodiment includes a main control system and an execution platform in control connection therewith, the main control system is internally provided with a standard database and a data processing unit, a standard density value is preset in the standard database, and the data processing unit compares an acquired data signal with a labeled density value to realize data comparison; the execution platform comprises pipeline densimeter, solenoid valve and automatic control, the major control system set up in the automatic control, just pipeline densimeter, solenoid valve and automatic control realize alternately through pipeline and line connection.
The standard density value is a preset density value, the standard density value is randomly adjusted according to the actual density of the measured oil product under different air temperature conditions, and the displayed data precision is 0.0001 g/cubic centimeter; and comparing the density signal sent by the densimeter with a standard density value, maintaining the output relay closing signal within a preset value range, and closing the relay closing signal when the output relay closing signal exceeds the preset value. The master control system comprises a control device, and an anti-static module is arranged in the control device through the extended design of a control circuit, wherein the anti-static module comprises a grounding alarm. The control circuit adopts an M9 control chip, and a data transmission protocol and an expansion interface are arranged, so that the data transmission function of an external large zero pipe information system is realized.
The technical route different from the prior art in the embodiment is as follows:
the oil discharge port of the existing gas station is reformed, and an electromagnetic valve matched with the caliber of an oil inlet pipe is arranged at the end, close to the manhole cover of the oil tank, of the oil discharge port of each oil tank, so that the oil tank is required to have explosion-proof performance and is powered by alternating current 220V voltage. The oil discharge port is provided with a set of pipeline type online densimeter near the quick flange end, the density of oil entering the pipeline of the pipeline type online densimeter is measured, the pipeline type densimeter is required to have explosion-proof performance, and the pipeline part for medium measurement is shortened as much as possible. A signal conversion control device integrating densimeter output signal receiving, power amplification, digital-to-analog conversion and power switch control functions is designed and manufactured between the electromagnetic valve and the pipeline type online densimeter, so that densimeter output signals are received and amplified and are compared with oil density grouping data written into a single chip microcomputer in advance, the oil product number detected by the pipeline type online densimeter is judged, whether the electromagnetic valve power switch in a rear-stage pipeline is opened or not is determined, and the functions of automatic identification of the oil product receiving and unloading number and receiving and unloading control are achieved. The height data of the liquid level in the tank is obtained from the liquid level meter, when the liquid level reaches or exceeds the safe volume in the process of oil loading and unloading, and the liquid level meter sends an alarm signal, the signal conversion control device automatically sends a signal for controlling the electromagnetic valve to be closed, the electromagnetic valve is turned off, and the oil loading and unloading are stopped, so that the function of automatically controlling the quantity of the oil unloaded into the tank is realized, and the oil overflow accident caused by the fact that the oil unloaded quantity exceeds the safe volume of the oil tank is prevented.
The present invention is not limited to the above embodiments, and all embodiments adopting the similar structure and method to achieve the object of the present invention are within the protection scope of the present invention.
Claims (4)
1. An oil station oil product automatic loading and unloading comprehensive management system is characterized by comprising a main control system and an execution platform in control connection with the main control system, wherein a standard database and a data processing unit are arranged in the main control system, a standard density value is preset in the standard database, and the data processing unit realizes data comparison between an acquired data signal and a marked density value; the execution platform comprises pipeline densimeter, solenoid valve and automatic control, the major control system set up in the automatic control, just pipeline densimeter, solenoid valve and automatic control realize alternately through pipeline and line connection.
2. The system set forth in claim 1, wherein the standard density value is a preset density value, the standard density value is adjusted freely according to the actual density of the oil product measured under different air temperature conditions, and the displayed data precision is 0.0001 g/cc; and comparing the density signal sent by the densimeter with a standard density value, maintaining the output relay closing signal within a preset value range, and closing the relay closing signal when the output relay closing signal exceeds the preset value.
3. The system device of claim 1, wherein the master control system comprises a control device, and an anti-static module is arranged in the control device through the extended design of the control circuit, and the anti-static module comprises a grounding alarm.
4. The system device according to claim 3, wherein the control circuit adopts an M9 control chip, and a data transmission protocol and an expansion interface are provided to realize a data transmission function of an external large-scale zero-pipe information system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247496.2A CN113252510A (en) | 2021-03-05 | 2021-03-05 | Automatic oil receiving and unloading comprehensive management system for oil station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110247496.2A CN113252510A (en) | 2021-03-05 | 2021-03-05 | Automatic oil receiving and unloading comprehensive management system for oil station |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724706U (en) * | 2010-07-23 | 2011-01-26 | 北京博瑞特自动计量系统股份有限公司 | Oil discharge safety monitor |
| CN104406990A (en) * | 2014-11-06 | 2015-03-11 | 锦州锦研科技有限责任公司 | Automatic sealed oil-discharge device and oil-discharge method |
| CN209311269U (en) * | 2018-12-19 | 2019-08-27 | 西安交通大学 | A kind of contactless densimetry crude oil water content measuring device |
| CN111443187A (en) * | 2020-05-08 | 2020-07-24 | 中油电新能源科技有限公司 | Terminal oil quantity and quality monitoring equipment |
| CN212646694U (en) * | 2020-07-31 | 2021-03-02 | 浙江易普润滑设备制造有限公司 | Lubricating oil station with oil product online detection function |
-
2021
- 2021-03-05 CN CN202110247496.2A patent/CN113252510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724706U (en) * | 2010-07-23 | 2011-01-26 | 北京博瑞特自动计量系统股份有限公司 | Oil discharge safety monitor |
| CN104406990A (en) * | 2014-11-06 | 2015-03-11 | 锦州锦研科技有限责任公司 | Automatic sealed oil-discharge device and oil-discharge method |
| CN209311269U (en) * | 2018-12-19 | 2019-08-27 | 西安交通大学 | A kind of contactless densimetry crude oil water content measuring device |
| CN111443187A (en) * | 2020-05-08 | 2020-07-24 | 中油电新能源科技有限公司 | Terminal oil quantity and quality monitoring equipment |
| CN212646694U (en) * | 2020-07-31 | 2021-03-02 | 浙江易普润滑设备制造有限公司 | Lubricating oil station with oil product online detection function |
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