CN103323072A - Method and system for calculating total oil quantity of oil storage system - Google Patents
Method and system for calculating total oil quantity of oil storage system Download PDFInfo
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- CN103323072A CN103323072A CN201310256664XA CN201310256664A CN103323072A CN 103323072 A CN103323072 A CN 103323072A CN 201310256664X A CN201310256664X A CN 201310256664XA CN 201310256664 A CN201310256664 A CN 201310256664A CN 103323072 A CN103323072 A CN 103323072A
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Abstract
The invention provides a method and a system for calculating total oil quantity of an oil storage system. The method for calculating the total oil quantity includes the following steps: storing pressure differences in a pressure storage array; storing temperature differences in a temperature storage array; storing compensation coefficients in a compensation coefficient storage array, wherein the coefficients are in one-to-one correspondence with the combinations of the pressure differences and the temperature differences; receiving data transmitted by a pressure sensor and a temperature sensor by a signal receiving module, calculating the temperature differences and the pressure differences, and searching the coefficients to transmit the same to a calculation module; calculating standard volume V of the total oil quantity by the calculation module, and displaying according to the standard volume V of the total oil quantity of the oil storage system by a controller command human-computer interaction interface. Through detection of temperatures and pressure in an oil tank, variation of the total oil quantity in the oil storage system is calculated in real time, the detected total volume is converted into a standard volume at the standard temperature and under a standard pressure, and oil leakage or water seepage of the oil storage system is discovered in time.
Description
Technical field
The present invention relates to storage tank oil mass detection technique field, be specifically related to the total oil mass of a kind of oil storage system and calculate method and system.
Background technology
For using oily enterprise, the accurate detection of oil tank internal memory oil mass to production work carry out smoothly extremely important, at present, detection to the trapped fuel amount mainly is to carry out for single oil tank, the method master who uses has at tank bottom placement force sensor, by measuring the oil tank vertical distribution of section liquid and liquid level, thereby calculate the trapped fuel amount, this method only monitors for the oil level in the single oil tank, for the oil storage system that is formed by some oil tanks and pipeline valve, this method can not intuitively reflect total oil mass situation of change in the oil system, in addition, along with the variation of temperature and pressure, the volume of the oil of equal in quality also can change, if do not consider the impact of temperature and pressure, can not accurately record total oil mass.
Summary of the invention
In order to overcome the defective that exists in the above-mentioned prior art, the purpose of this invention is to provide the total oil mass of a kind of oil storage system and calculate method and system, the present invention can calculate total oil mass situation of change in the oil system in real time, finds in time whether oil system leakage of oil or water inlet occur.
In order to realize above-mentioned purpose of the present invention, according to an aspect of the present invention, the invention provides the total oil mass computing method of a kind of oil storage system, comprise the steps:
S1, data storage: in the pressure storage array of storer, store pressure differential; Storing temperature is poor in the temperature storage array of storer; Store penalty coefficient in the penalty coefficient storage array of storer, described penalty coefficient is corresponding one by one with the combination of pressure differential and temperature difference;
S2, pressure transducer detect the interior pressure of each oil tank of oil storage system, and temperature sensor detects the oil temperature in each oil tank;
S3, the signal receiving module of controller receives the data of pressure transducer and temperature sensor transmission, calculate the temperature difference of detected temperatures and standard temperature, and the pressure differential of detected pressures and normal pressure, in storer, search the penalty coefficient corresponding with the combination of described pressure differential and temperature difference by penalty coefficient with the combination corresponding relation of pressure differential and temperature difference, and described penalty coefficient is transferred to computing module;
S4, described computing module calculates the standard volume V of total oil mass of oil storage system, and computing formula is:
V=K1*S1* (L1 '-L1)+K2*S2* (L2 '-L2)+K3*S3* (L3 '-L3)+K4*S4* (L4 '-L4)+... + K4*S4* (L4 '-L4)+K1*V1+K2*V2+K3*V3+K4*V4+ ... KN*VN+K0*V0, wherein, N is oil tank quantity, described N is positive integer, S1, S2, S3, S4 ... SN is the tank body sectional area, L1, L2, L3, L4 ... LN is each oil tank benchmark liquid level, V1, V2, V3, V4 ... VN is that the benchmark liquid level is with the lower tank volume, V0 is the pipeline cavity volume, L1 ', L2 ', L3 ', L4 ' ... LN ' is the tank body actual liquid level, K0, K1, K2, K3, K4 ... KN is penalty coefficient;
S5, described controller instruction human-computer interaction interface shows according to the standard volume V of total oil mass of described oil storage system.
The total oil mass computing method of oil storage system of the present invention are by detecting the temperature and pressure in the oil tank, calculate in real time total oil mass situation of change in the oil system, the cumulative volume that records is converted standard volume to the standard temperature and pressure (STP), find in time whether oil system leakage of oil or water inlet occur.
In a kind of preferred implementation of the present invention, described penalty coefficient and temperature extent are proportional, are inverse ratio with the pressure extent.
The present invention is converted into the volume under the different temperatures by penalty coefficient the volume of oil under the reference temperature, converts the volume under the different pressures to the normal pressure lower volume, is convenient to contrast, finds in time whether oil system leakage of oil or water inlet occur.
In a kind of preferred implementation of the present invention, the measuring method of described penalty coefficient is:
S31 gets the oil product of unit volume under standard temperature, normal pressure;
S32, poor as raise the gradually temperature of described oil product of unit take unit temperature, when a certain definite temperature difference, measure the volume of described oil product under different pressures;
S32 calculates the pressure differential of described different pressures and normal pressure, is compensated the corresponding relation of coefficient and temperature difference and pressure differential.
The present invention can measure the penalty coefficient under and the pressure differential poor in different temperatures quickly and accurately.
In order to realize above-mentioned purpose of the present invention, according to another aspect of the present invention, the invention provides the total oil mass computing system of a kind of oil storage system, comprise at least one pressure transducer, at least one temperature sensor, human-computer interaction interface, controller and storer; Described each pressure transducer is installed on the storage tank, for detection of the pressure in the storage tank; Described each temperature sensor is installed on the storage tank, for detection of the temperature of oil in the storage tank; Described human-computer interaction interface is connected with described controller, and described controller is connected with described storer; Described storer is used for storage pressure storage array, temperature storage array and penalty coefficient storage array, store pressure differential in the described pressure storage array, storing temperature is poor in the temperature storage array, store penalty coefficient in the penalty coefficient storage array, described penalty coefficient is corresponding one by one with the combination of pressure differential and temperature difference; Described controller comprises signal receiving module and computing module, described signal receiving module receives the data of pressure transducer and temperature sensor transmission, in storer, search the penalty coefficient corresponding with the combination of described pressure differential and temperature difference by penalty coefficient with the corresponding relation of the combination of pressure differential and temperature difference, and described penalty coefficient is transferred to computing module; Described computing module calculates the standard volume V of total oil mass of oil storage system, and the instruction human-computer interaction interface shows according to the standard volume V of total oil mass of described oil storage system.
The total oil mass computing system of oil storage system of the present invention draws total oil mass in the oil system in real time with the standard volume of the cumulative volume that records conversion to arbitrary temperature and pressure, by comparative analysis, can find in time whether oil system seepage or no water inlet occur.
In a preferred embodiment of the present invention, the method that described computing module calculates total oil mass V of oil storage system is:
V=K1*S1* (L1 '-L1)+K2*S2* (L2 '-L2)+K3*S3* (L3 '-L3)+K4*S4* (L4 '-L4)+... + K4*S4* (L4 '-L4)+K1*V1+K2*V2+K3*V3+K4*V4+ ... KN*VN+K0*V0, wherein, N is oil tank quantity, described N is positive integer, S1, S2, S3, S4 ... SN is the tank body sectional area, L1, L2, L3, L4 ... LN is each oil tank benchmark liquid level, V1, V2, V3, V4 ... VN is that the benchmark liquid level is with the lower tank volume, V0 is the pipeline cavity volume, L1 ', L2 ', L3 ', L4 ' ... LN ' is the tank body actual liquid level, K0, K1, K2, K3, K4 ... KN is penalty coefficient.
The present invention converts standard volume to the standard temperature and pressure (STP) with the cumulative volume that records, and testing result is accurate.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the process flow diagram of the total oil mass computing method of oil storage system of the present invention.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, need to prove, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
The invention provides the total oil mass computing method of a kind of oil storage system, as shown in Figure 1, comprise the steps:
S1, data storage: in the pressure storage array of storer, store pressure differential; Storing temperature is poor in the temperature storage array of storer; Store penalty coefficient in the penalty coefficient storage array of storer, described penalty coefficient is corresponding one by one with the combination of pressure differential and temperature difference, and namely the combination of a pressure differential and these two data of temperature difference is corresponding with a penalty coefficient;
S2, pressure transducer detect the interior pressure of each oil tank of oil storage system, and temperature sensor detects the oil temperature in each oil tank;
S3, the signal receiving module of controller receives the data of pressure transducer and temperature sensor transmission, calculate the temperature difference of detected temperatures and standard temperature, and the pressure differential of detected pressures and normal pressure, in storer, search the penalty coefficient corresponding with the combination of described pressure differential and temperature difference by penalty coefficient with the combination corresponding relation of pressure differential and temperature difference, and described penalty coefficient is transferred to computing module;
S4, described computing module calculates the standard volume V of total oil mass of oil storage system, and computing formula is:
V=K1*S1* (L1 '-L1)+K2*S2* (L2 '-L2)+K3*S3* (L3 '-L3)+K4*S4* (L4 '-L4)+... + K4*S4* (L4 '-L4)+K1*V1+K2*V2+K3*V3+K4*V4+ ... KN*VN+K0*V0, wherein, N is oil tank quantity, described N is positive integer, S1, S2, S3, S4 ... SN is the tank body sectional area, L1, L2, L3, L4 ... LN is each oil tank benchmark liquid level, V1, V2, V3, V4 ... VN is that the benchmark liquid level is with the lower tank volume, V0 is the pipeline cavity volume, L1 ', L2 ', L3 ', L4 ' ... LN ' is the tank body actual liquid level, K0, K1, K2, K3, K4 ... KN is penalty coefficient;
S5, described controller instruction human-computer interaction interface shows according to the standard volume V of total oil mass of described oil storage system.
For cumulative volume conversion that will the record standard volume to arbitrary temperature and pressure, adopt penalty coefficient to calculate, in the present embodiment, penalty coefficient and temperature extent are proportional, are inverse ratio with the pressure extent.
In the present embodiment, penalty coefficient can be in advance by test determination, method can be the oil product of getting unit volume under standard temperature, normal pressure, poor as unit its temperature that raises gradually take unit temperature, for example take 1 degree centigrade as the unit oil product temperature that raises gradually, when a certain definite temperature difference, measure its volume under different pressures, and the pressure differential of computation and measurement pressure and normal pressure, thereby be compensated the corresponding relation of coefficient and temperature difference and pressure differential.
The present invention is by adopting penalty coefficient, and the volume under oil is expanded with heat and contract with cold multiply by penalty coefficient and can be converted into the volume of oil under the reference temperature.In like manner, the volume under the different pressures be multiply by penalty coefficient and convert the normal pressure lower volume to.
The present invention also provides a kind of oil storage system total oil mass computing system, and it comprises at least one pressure transducer, at least one temperature sensor, human-computer interaction interface, controller and storer.Wherein, the quantity of pressure transducer, temperature sensor is identical with the quantity of storage tank, and each pressure transducer is installed in the storage tank, for detection of the pressure in the storage tank; Each temperature sensor is installed in the storage tank, and for detection of the temperature of oil product in the storage tank, pressure transducer links to each other with controller respectively with temperature sensor.Human-computer interaction interface is connected with described controller, and described controller is connected with described storer.Storer is used for storage pressure storage array, temperature storage array and penalty coefficient storage array, store pressure differential in the described pressure storage array, storing temperature is poor in the temperature storage array, store penalty coefficient in the penalty coefficient storage array, described penalty coefficient is corresponding one by one with the combination of pressure differential and temperature difference.Controller comprises signal receiving module and computing module, described signal receiving module receives the data of pressure transducer and temperature sensor transmission, in storer, search the penalty coefficient corresponding with the combination of described pressure differential and temperature difference by penalty coefficient with the combination corresponding relation of pressure differential and temperature difference, and described penalty coefficient is transferred to computing module; Described computing module calculates the standard volume V of total oil mass of oil storage system, and the instruction human-computer interaction interface shows according to the standard volume V of total oil mass of described oil storage system.
In the present embodiment, the method for the standard volume V of total oil mass of computing module calculating oil storage system is:
V=K1*S1* (L1 '-L1)+K2*S2* (L2 '-L2)+K3*S3* (L3 '-L3)+K4*S4* (L4 '-L4)+... + K4*S4* (L4 '-L4)+K1*V1+K2*V2+K3*V3+K4*V4+ ... KN*VN+K0*V0, wherein, N is oil tank quantity, described N is positive integer, S1, S2, S3, S4 ... SN is the tank body sectional area, L1, L2, L3, L4 ... LN is each oil tank benchmark liquid level, V1, V2, V3, V4 ... VN is that the benchmark liquid level is with the lower tank volume, V0 is the pipeline cavity volume, L1 ', L2 ', L3 ', L4 ' ... LN ' is the tank body actual liquid level, K0, K1, K2, K3, K4 ... KN is penalty coefficient.
The total oil mass computing system of oil storage system of the present invention draws total oil mass in the oil system in real time with the standard volume of the cumulative volume that records conversion to arbitrary temperature and pressure, by comparative analysis, can find in time whether oil system seepage or no water inlet occur.Because system embodiment is more to the similar content of embodiment of the method, that therefore introduces is simpler, and related content sees also the embodiment of the method part.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. the total oil mass computing method of oil storage system is characterized in that, comprise the steps:
S1, data storage: in the pressure storage array of storer, store pressure differential; Storing temperature is poor in the temperature storage array of storer; Store penalty coefficient in the penalty coefficient storage array of storer, described penalty coefficient is corresponding one by one with the combination of pressure differential and temperature difference;
S2, pressure transducer detect the interior pressure of each oil tank of oil storage system, and temperature sensor detects the oil temperature in each oil tank;
S3, the signal receiving module of controller receives the data of pressure transducer and temperature sensor transmission, calculate the temperature difference of detected temperatures and standard temperature, and the pressure differential of detected pressures and normal pressure, in storer, search the penalty coefficient corresponding with the combination of described pressure differential and temperature difference by penalty coefficient with the combination corresponding relation of pressure differential and temperature difference, and described penalty coefficient is transferred to computing module;
S4, described computing module calculates the standard volume V of total oil mass of oil storage system, and computing formula is:
V=K1*S1* (L1 '-L1)+K2*S2* (L2 '-L2)+K3*S3* (L3 '-L3)+K4*S4* (L4 '-L4)+... + K4*S4* (L4 '-L4)+K1*V1+K2*V2+K3*V3+K4*V4+ ... KN*VN+K0*V0, wherein, N is oil tank quantity, described N is positive integer, S1, S2, S3, S4 ... SN is the tank body sectional area, L1, L2, L3, L4 ... LN is each oil tank benchmark liquid level, V1, V2, V3, V4 ... VN is that the benchmark liquid level is with the lower tank volume, V0 is the pipeline cavity volume, L1 ', L2 ', L3 ', L4 ' ... LN ' is the tank body actual liquid level, K0, K1, K2, K3, K4 ... KN is penalty coefficient;
S5, described controller instruction human-computer interaction interface shows according to the standard volume V of total oil mass of described oil storage system.
2. the total oil mass computing method of oil storage system as claimed in claim 1 is characterized in that, described penalty coefficient and temperature extent are proportional, are inverse ratio with the pressure extent.
3. the total oil mass computing method of oil storage system as claimed in claim 1 or 2 is characterized in that, the measuring method of described penalty coefficient is:
S31 gets the oil product of unit volume under standard temperature, normal pressure;
S32, poor as raise the gradually temperature of described oil product of unit take unit temperature, when a certain definite temperature difference, measure the volume of described oil product under different pressures;
S32 calculates the pressure differential of described different pressures and normal pressure, is compensated the corresponding relation of coefficient and temperature difference and pressure differential.
4. the total oil mass computing system of oil storage system is characterized in that, comprising: at least one pressure transducer, at least one temperature sensor, human-computer interaction interface, controller and storer;
Described each pressure transducer is installed on the storage tank, for detection of the pressure in the storage tank;
Described each temperature sensor is installed on the storage tank, for detection of the temperature of oil in the storage tank;
Described human-computer interaction interface is connected with described controller, and described controller is connected with described storer;
Described storer is used for storage pressure storage array, temperature storage array and penalty coefficient storage array, store pressure differential in the described pressure storage array, storing temperature is poor in the temperature storage array, store penalty coefficient in the penalty coefficient storage array, described penalty coefficient is corresponding one by one with the combination of pressure differential and temperature difference;
Described controller comprises signal receiving module and computing module, described signal receiving module receives the data of pressure transducer and temperature sensor transmission, in storer, search the penalty coefficient corresponding with the combination of described pressure differential and temperature difference by penalty coefficient with the corresponding relation of the combination of pressure differential and temperature difference, and described penalty coefficient is transferred to computing module; Described computing module calculates the standard volume V of total oil mass of oil storage system, and the instruction human-computer interaction interface shows according to the standard volume V of total oil mass of described oil storage system.
5. the total oil mass computing system of oil storage system as claimed in claim 4 is characterized in that, the method that described computing module calculates total oil mass standard volume V of oil storage system is:
V=K1*S1* (L1 '-L1)+K2*S2* (L2 '-L2)+K3*S3* (L3 '-L3)+K4*S4* (L4 '-L4)+... + K4*S4* (L4 '-L4)+K1*V1+K2*V2+K3*V3+K4*V4+ ... KN*VN+K0*V0, wherein, N is oil tank quantity, described N is positive integer, S1, S2, S3, S4 ... SN is the tank body sectional area, L1, L2, L3, L4 ... LN is each oil tank benchmark liquid level, V1, V2, V3, V4 ... VN is that the benchmark liquid level is with the lower tank volume, V0 is the pipeline cavity volume, L1 ', L2 ', L3 ', L4 ' ... LN ' is the tank body actual liquid level, K0, K1, K2, K3, K4 ... KN is penalty coefficient.
6. the total oil mass computing system of oil storage system as claimed in claim 4 is characterized in that, described penalty coefficient and temperature extent are proportional, is inverse ratio with the pressure extent.
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| RU2561660C1 (en) * | 2014-02-04 | 2015-08-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" (ТюмГНГУ) | Method to detect losses of oil and oil products from evaporation under in-breathing of reservoirs |
| CN108680226A (en) * | 2018-03-01 | 2018-10-19 | 山东大学 | A kind of detection method of the current oil mass of accurate fuel tank |
| CN110577184A (en) * | 2019-09-11 | 2019-12-17 | 青岛澳科技术有限公司 | Automatic oil discharge detection system and method for gas station |
| CN111795821A (en) * | 2020-05-25 | 2020-10-20 | 中国第一汽车股份有限公司 | Method for determining relation between oil quantity and oil level of speed reducer |
| CN112945345A (en) * | 2021-03-24 | 2021-06-11 | 西安德迈赛斯液压机电有限公司 | Oil level detection method for light oil storage system |
| CN113501485A (en) * | 2021-06-29 | 2021-10-15 | 浙江中控技术股份有限公司 | Batch controller for preventing excessive filling of liquid hazardous chemical substances |
| RU2779339C1 (en) * | 2021-12-21 | 2022-09-06 | Федеральное государственное бюджетное учреждение "Научно-исследовательский институт проблем хранения Федерального агентства по государственным резервам" | Method for determining losses of oil and oil products from small breaths during storage in tanks |
| CN115326172A (en) * | 2022-07-16 | 2022-11-11 | 戴天智能科技（上海）有限公司 | Transformer oil level detection method and system, storage medium and intelligent terminal |
| CN117309091A (en) * | 2023-12-01 | 2023-12-29 | 深圳市恒永达科技股份有限公司 | Liquid suction amount accuracy pressure detection method, system and readable storage medium |
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| RU2561660C1 (en) * | 2014-02-04 | 2015-08-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" (ТюмГНГУ) | Method to detect losses of oil and oil products from evaporation under in-breathing of reservoirs |
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| CN111795821A (en) * | 2020-05-25 | 2020-10-20 | 中国第一汽车股份有限公司 | Method for determining relation between oil quantity and oil level of speed reducer |
| CN112945345A (en) * | 2021-03-24 | 2021-06-11 | 西安德迈赛斯液压机电有限公司 | Oil level detection method for light oil storage system |
| CN113501485A (en) * | 2021-06-29 | 2021-10-15 | 浙江中控技术股份有限公司 | Batch controller for preventing excessive filling of liquid hazardous chemical substances |
| RU2779339C1 (en) * | 2021-12-21 | 2022-09-06 | Федеральное государственное бюджетное учреждение "Научно-исследовательский институт проблем хранения Федерального агентства по государственным резервам" | Method for determining losses of oil and oil products from small breaths during storage in tanks |
| CN115326172A (en) * | 2022-07-16 | 2022-11-11 | 戴天智能科技（上海）有限公司 | Transformer oil level detection method and system, storage medium and intelligent terminal |
| CN115326172B (en) * | 2022-07-16 | 2024-04-02 | 戴天智能科技(上海)股份有限公司 | Transformer oil level detection method, system, storage medium and intelligent terminal |
| RU2814740C1 (en) * | 2023-09-05 | 2024-03-04 | Олег Вячеславович Добровольсков | Method of determining mass of unregulated losses of hydrocarbons through seals of devices, pipelines and pipeline valves |
| CN117309091A (en) * | 2023-12-01 | 2023-12-29 | 深圳市恒永达科技股份有限公司 | Liquid suction amount accuracy pressure detection method, system and readable storage medium |
| CN117309091B (en) * | 2023-12-01 | 2024-03-08 | 深圳市恒永达科技股份有限公司 | Liquid suction amount accuracy pressure detection method, system and readable storage medium |
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