CN204881791U - A capacity calibrating installation that is used for car tank wagon oil to exchange - Google Patents
A capacity calibrating installation that is used for car tank wagon oil to exchange Download PDFInfo
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- CN204881791U CN204881791U CN201520699640.6U CN201520699640U CN204881791U CN 204881791 U CN204881791 U CN 204881791U CN 201520699640 U CN201520699640 U CN 201520699640U CN 204881791 U CN204881791 U CN 204881791U
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Abstract
A capacity calibrating installation that is used for car tank wagon oil to exchange belongs to the metrological verification field, the utility model discloses a manual operation composition is big when examining and determine the capacity when solving current oil exchange to as for the big problem of error. The utility model discloses a magnetic induced shrinkage or elongation level sensor, density sensor, temperature sensor, pressure sensor, mass flow meter, flow transmitter, pressure transmitter, capacity pump, treater and display, magnetic induced shrinkage or elongation level sensor, density sensor and temperature sensor set up the jar mouthful department at the oil tank side by side, and liquid level, density and the temperature of detection are sent for the treater, pressure sensor sets up the tank bottoms at the oil tank, and the pressure signal of detection sends for the treater through pressure transmitter, the business turn over oil pipe of oil tank is provided with mass flow meter and capacity pump on the road, the switch of treater control capacity pump, the quality signal sends for the treater through flow transmitter, the display the signal output end of treater links to each other with the demonstration signal input part of display.
Description
Technical field
The utility model relates to a kind of oil product capacity calibrating installation, belongs to measurement verification field.
Background technology
It is an important content in flow metering work that measurement verification is examined and determine with the automobile oil truck of calibration department, it is related to the accuracy of oil metering value and good repdocutbility, has great significance to the development of China's S&T tax and carrying out smoothly of economic trade work.Current China is when carrying out automobile oil truck calibrating, manually finishing the work of needing is many, need a large amount of micro-judgments in operation, particularly need a people to open valve during reading flow numerical quantity and entirely carry out Non-follow control, can not ensureing to reach synchronous and unified completely when reading data, adding artificial interference.Need a people to climb to the tank body top of 3 to 4 meters high when measuring liquid level, testing staff uses the survey instrument such as rule to measure level value, and this method of operating is not only dangerous but also there is the uncertainty of reading numerical values.Also need a people below tank body, assist operation when carrying out surveying work, under kinetic measurement condition, operating personnel are easy to bring measuring error by voice delivery data, affect measurement result.Calibrating data more complicated when calculating, consider the many index such as temperature, density, and artificial calculating is easily made a fault and carelessness.These problems all hinder accuracy and the science of gage work.
Automobile oil truck is the special special purpose vehicle of transport by road liquid petroleum, chemical products, it is on automobile, install metering oil tank, be not only storage, means of transport, also be the measurement instrument for oil product handing-over, trade settlement after assay approval, it belongs to the working measuring instrument of state compulsion calibrating.In recent years, along with the growing tension of energy products, rising steadily of oil price, the main measurement instrument that automobile oil truck transports as oil product, tank wagon capacity measurement problem becomes increasingly conspicuous.People's awareness of the legal system progressively improves, and for ensureing the justice, just of trade both sides oil product handing-over, requires that the cry measured tank wagon capacity is more and more higher.Set up accurately, reliably, fast, easily tank wagon calibrating installation be society needs, the needs of economic development.
Summary of the invention
When the utility model object is to examine and determine capacity when solving the exchange of existing oil product, manual operation composition is large, to such an extent as to the problem that error is large, provide a kind of capacity calibrating installation exchanged for automobile oil truck oil product.
The capacity calibrating installation exchanged for automobile oil truck oil product described in the utility model, oil tank is arranged on car body, and described capacity calibrating installation comprises magnetostrictive liquid level sensor, density sensor, temperature sensor, pressure transducer, mass flowmeter, flow transmitter, pressure unit, volumetric pump, processor and display;
Magnetostrictive liquid level sensor, density sensor and temperature sensor are disposed in parallel in the tank mouth place of oil tank, and the liquid level signal output terminal of magnetostrictive liquid level sensor is connected with the liquid level signal input end of processor; The density signal output terminal of density sensor is connected with the density signal input end of processor; The temperature signal output terminal of temperature sensor is connected with the temperature signal input of processor;
Pressure transducer is arranged at the bottom of the tank of oil tank, and the pressure signal output terminal of pressure transducer is connected with the input end of analog signal of pressure unit, and the digital signal output end of pressure unit is connected with the pressure signal input end of processor;
The turnover oil pipe line of oil tank is provided with mass flowmeter and volumetric pump; The switching control instruction of processor is connected with the switching control instruction input end of volumetric pump, and volumetric pump is for pumping the liquid in oil tank; The quality signal output terminal of mass flowmeter is connected with the input end of analog signal of flow transmitter, and the digital signal output end of flow transmitter is connected with the quality signal input end of processor;
The display output terminal of processor is connected with the display input end of display.
Advantage of the present utility model: reduce artificial interference, improves the efficiency of work, reduces heavy gage work.Identical measurement technology action, this patent can save a large amount of working times, and operated by many people and change a people into and can operate, do not need more training, the working interface of simple, intuitive makes operating personnel the short time just can go up manual manipulation.Examined and determine oil tank needs many people to coordinate in the past, need climb to tank mouth hand dipping.And when native system 1 people operation, do not need climbing operation to finish the work.
Accompanying drawing explanation
Fig. 1 is the principle assumption diagram of the capacity calibrating installation for the exchange of automobile oil truck oil product described in the utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, for the capacity calibrating installation of automobile oil truck oil product exchange described in present embodiment, oil tank is arranged on car body, and described capacity calibrating installation comprises magnetostrictive liquid level sensor 1, density sensor 2, temperature sensor 3, pressure transducer 4, mass flowmeter 5, flow transmitter 6, pressure unit 7, volumetric pump 8, processor 9 and display 10;
Magnetostrictive liquid level sensor 1, density sensor 2 and temperature sensor 3 are disposed in parallel in the tank mouth place of oil tank, and the liquid level signal output terminal of magnetostrictive liquid level sensor 1 is connected with the liquid level signal input end of processor 9; The density signal output terminal of density sensor 2 is connected with the density signal input end of processor 9; The temperature signal output terminal of temperature sensor 3 is connected with the temperature signal input of processor 9;
Pressure transducer 4 is arranged at the bottom of the tank of oil tank, and the pressure signal output terminal of pressure transducer 4 is connected with the input end of analog signal of pressure unit 7, and the digital signal output end of pressure unit 7 is connected with the pressure signal input end of processor 9;
The turnover oil pipe line of oil tank is provided with mass flowmeter 5 and volumetric pump 8; The switching control instruction of processor 9 is connected with the switching control instruction input end of volumetric pump 8, and volumetric pump 8 is for pumping the liquid in oil tank; The quality signal output terminal of mass flowmeter 5 is connected with the input end of analog signal of flow transmitter 6, and the digital signal output end of flow transmitter 6 is connected with the quality signal input end of processor 9;
The display output terminal of processor 9 is connected with the display input end of display 10.
Principle of work:
In present embodiment, magnetostrictive liquid level sensor 1, density sensor 2 and temperature sensor 3 gather liquid level, density and temperature signal, and self possess analog/digital conversion module, and direct output digit signals is to processor 9.
The pressure signal that pressure transducer 4 gathers exports to processor 9 after flow transmitter 6 carries out analog/digital conversion, and the quality signal that mass flowmeter 5 gathers exports to processor 9 after pressure unit 7 analog/digital conversion.
When oil product exchanges, outside the situation that depolarization other part exchanges, basic is that whole tank oil exchanges, metering is combined in the capacity calibrating employing of present embodiment, but not single-measurement, before emptying, just can obtain the quality (pressure × floorage) in oil tank according to the pressure signal of pressure transducer 4 collection, record this information stand-by.
Processor 9 sends instruction allows oil pump 8 work, simultaneously the data passed back of recording quality flowmeter 5, in conjunction with the oil quality that liquid level, density calculation are flowed out, and recording synchronism, accurate measurement.Calculate the oil product capacity data under reference temperature in conjunction with temperature information, with the error in dipping avoiding temperature difference to bring simultaneously.
If whole tank exchanges, after whole oil product discharges, the data that the data measure mass flowmeter 5 and pressure transducer 4 gather are compared, and are processed by processor 9, eliminate the error existed in operating process.Such as adopt mean value method.
The measuring apparatus of present embodiment is adopted to make oil product capacity measurement more humane, more accurate.
Embodiment two: present embodiment is described further embodiment one, processor 9 is arranged in armored cassette, processor 9 has safety holder, and the intrinsic safety end of safety holder connects the FPDP of magnetostrictive liquid level sensor 1, density sensor 2, temperature sensor 3, flow transmitter 6, pressure unit 7 and volumetric pump 8; The FPDP of the non-intrinsic safety end connection handling device 9 of safety holder.
The safety holder that present embodiment is arranged is divided into intrinsic safety end and non-intrinsic safety end, it limits the energy being sent to on-the-spot intrinsic safety loop by current limliting and pressure limiting circuit, thus prevent the danger energy of non-intrinsically safe circuit from sealing in intrinsically safe circuit, it is called associate device in intrinsic safe explosion-proof system, is the important component part of the essence safety system.Processor 9 and intrinsic safety retainer are arranged in armored cassette by present embodiment, the shell of armored cassette can bear the flammable mixtures penetrating into enclosure by any composition surface of shell or structure interval and not lose at internal explosion, and can not cause lighting of the outside explosion environment formed by a kind of, multiple gases or steam, therefore armored cassette inside is safety zone.
Claims (2)
1. for the capacity calibrating installation of automobile oil truck oil product exchange, oil tank is arranged on car body, it is characterized in that, described capacity calibrating installation comprises magnetostrictive liquid level sensor (1), density sensor (2), temperature sensor (3), pressure transducer (4), mass flowmeter (5), flow transmitter (6), pressure unit (7), volumetric pump (8), processor (9) and display (10);
Magnetostrictive liquid level sensor (1), density sensor (2) and temperature sensor (3) are disposed in parallel in the tank mouth place of oil tank, and the liquid level signal output terminal of magnetostrictive liquid level sensor (1) is connected with the liquid level signal input end of processor (9); The density signal output terminal of density sensor (2) is connected with the density signal input end of processor (9); The temperature signal output terminal of temperature sensor (3) is connected with the temperature signal input of processor (9);
Pressure transducer (4) is arranged at the bottom of the tank of oil tank, the pressure signal output terminal of pressure transducer (4) is connected with the input end of analog signal of pressure unit (7), and the digital signal output end of pressure unit (7) is connected with the pressure signal input end of processor (9);
The turnover oil pipe line of oil tank is provided with mass flowmeter (5) and volumetric pump (8); The switching control instruction of processor (9) is connected with the switching control instruction input end of volumetric pump (8), and volumetric pump (8) is for pumping the liquid in oil tank; The quality signal output terminal of mass flowmeter (5) is connected with the input end of analog signal of flow transmitter (6), and the digital signal output end of flow transmitter (6) is connected with the quality signal input end of processor (9);
The display output terminal of processor (9) is connected with the display input end of display (10).
2. according to claim 1 for the capacity calibrating installation of automobile oil truck oil product exchange, it is characterized in that, processor (9) is arranged in armored cassette, processor (9) has safety holder, and the intrinsic safety end of safety holder connects the FPDP of magnetostrictive liquid level sensor (1), density sensor (2), temperature sensor (3), flow transmitter (6), pressure unit (7) and volumetric pump (8); The FPDP of non-intrinsic safety end connection handling device (9) of safety holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699640.6U CN204881791U (en) | 2015-09-10 | 2015-09-10 | A capacity calibrating installation that is used for car tank wagon oil to exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699640.6U CN204881791U (en) | 2015-09-10 | 2015-09-10 | A capacity calibrating installation that is used for car tank wagon oil to exchange |
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| Publication Number | Publication Date |
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| CN204881791U true CN204881791U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520699640.6U Expired - Fee Related CN204881791U (en) | 2015-09-10 | 2015-09-10 | A capacity calibrating installation that is used for car tank wagon oil to exchange |
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| CN (1) | CN204881791U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348239A (en) * | 2016-11-24 | 2017-01-25 | 合肥创博信息科技有限公司 | Filling station real-time inlet metering system based on SAAS platform and method thereof |
| CN108344451A (en) * | 2018-03-15 | 2018-07-31 | 滁州永强汽车制造有限公司 | A kind of oil truck multi-parameter measuring systems |
| CN108773597A (en) * | 2018-05-14 | 2018-11-09 | 云南昆钢电子信息科技有限公司 | A kind of tank capacity detection device and detection method |
| CN110595557A (en) * | 2019-09-21 | 2019-12-20 | 河南英高能源科技有限公司 | Large-flow compensation algorithm |
| CN114486622A (en) * | 2022-01-19 | 2022-05-13 | 山东交通学院 | Experimental device and method for measuring density of liquid at different temperatures in real time |
-
2015
- 2015-09-10 CN CN201520699640.6U patent/CN204881791U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348239A (en) * | 2016-11-24 | 2017-01-25 | 合肥创博信息科技有限公司 | Filling station real-time inlet metering system based on SAAS platform and method thereof |
| CN108344451A (en) * | 2018-03-15 | 2018-07-31 | 滁州永强汽车制造有限公司 | A kind of oil truck multi-parameter measuring systems |
| CN108773597A (en) * | 2018-05-14 | 2018-11-09 | 云南昆钢电子信息科技有限公司 | A kind of tank capacity detection device and detection method |
| CN110595557A (en) * | 2019-09-21 | 2019-12-20 | 河南英高能源科技有限公司 | Large-flow compensation algorithm |
| CN114486622A (en) * | 2022-01-19 | 2022-05-13 | 山东交通学院 | Experimental device and method for measuring density of liquid at different temperatures in real time |
| CN114486622B (en) * | 2022-01-19 | 2023-10-20 | 山东交通学院 | Experimental device and method for measuring density of liquid at different temperatures in real time |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20200910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |