CN203101519U - Measuring instrument system for oil product conductivity - Google Patents
Measuring instrument system for oil product conductivity Download PDFInfo
- Publication number
- CN203101519U CN203101519U CN 201320002274 CN201320002274U CN203101519U CN 203101519 U CN203101519 U CN 203101519U CN 201320002274 CN201320002274 CN 201320002274 CN 201320002274 U CN201320002274 U CN 201320002274U CN 203101519 U CN203101519 U CN 203101519U
- Authority
- CN
- China
- Prior art keywords
- module
- temperature compensation
- microcontroller
- compensation module
- oil product
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a measuring instrument system for oil product conductivity. The measuring instrument system comprises a microcontroller, a corrective module and a measuring module, wherein the corrective module and the measuring module are electrically connected with the microcontroller respectively, the measuring module comprises an operational amplifier and a temperature compensation module; the temperature compensation module is connected between a first zeroing end and a second zeroing end of the operational amplifier and comprises a first temperature-compensation module, a second temperature-compensation module and a rheostat; the first temperature-compensation module, the rheostat and the second temperature-compensation module are successively connected; and the first temperature-compensation module and the second temperature-compensation module comprise thermistors. The microcontroller comprises a data-locking processing unit in order to lock data information detected by the measuring module. By the above manner, measuring accuracy of the oil product conductivity can be raised.
Description
Technical field
The utility model relates to a kind of oil product conductance measurement instrument system.
Background technology
The oil product conductance instrument can be used for measuring liquid oils, as the conductivity of oil products such as gasoline, aviation kerosene, diesel oil.
Automobile-used or aviation light oil fuels is an electron opaque material, very easily produces static charge in production, storing, filling and use, and when build-up of static charges was a certain amount of, the electrostatic spark of generation can ignite light oil fuels and cause great disaster.In order to prevent the light oil fuels electrostatic hazard, generally can in light oil fuels, add micro-antistatic agent to improve the conductivity of fuel.When the antistatic agent that adds is very few, the conductance of fuel is hanged down and is gathered a large amount of static charges easily, when the antistatic agent that adds is too much, the conductance of fuel is higher, antistatic agent has very strong surfactivity, the separated free outlet capacity of fuel is reduced greatly, and the jet fuel liquid water content increases, and is unfavorable for the safety of vehicle or flight.Therefore, the conductivity of fuel must have the bound indication range, so just must measure the conductivity of fuel with the oil product conductance instrument.
Yet, the easy temperature influence of the conductivity of oil product, when temperature not simultaneously, the numerical value that general oil product conductance measurement instrument is measured differs greatly, data-signal after the measurement has a strong impact on measuring accuracy through can decay behind the certain hour.Therefore, existing oil product conductance measurement instrument can not satisfy people's demand.
The utility model content
The technical matters that the utility model mainly solves provides a kind of oil product conductance measurement instrument system, can reduce the influence of temperature to measured value, timely locks measurement numerical value, improves the testing precision of oil product conductivity.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of oil product conductance measurement instrument system is provided, comprise microcontroller, correction module and measurement module, described measurement module and microcontroller electrically connect and handle so that detected data message is sent to microcontroller, described correction module and microcontroller electrically connect to proofread and correct the testing precision of described measurement module, described measurement module comprises operational amplifier, described operational amplifier comprises input end, the first zeroing end, second zeroing end and the earth terminal, described measurement module further comprises temperature compensation module, described temperature compensation module is connected between the first zeroing end and the second zeroing end of described operational amplifier, described temperature compensation module comprises first temperature compensation module, second temperature compensation module and rheostat, described first temperature compensation module, rheostat is connected successively with second temperature compensation module, and described first temperature compensation module and second temperature compensation module include thermistor; Described microcontroller comprises that the data interlock processing unit is with the detected data message of locking measurement module.
In preferred embodiment of the utility model, described first temperature compensation module comprises first thermistor and first resistance, and first thermistor and first resistance are connected in series.
In preferred embodiment of the utility model, described second temperature compensation module comprises second thermistor and second resistance, and second thermistor and second resistance are connected in series.
In preferred embodiment of the utility model, described rheostat comprises sliding end, first stiff end and second stiff end, one end of described first stiff end and first temperature compensation module electrically connects, the first zeroing end of the other end of first temperature compensation module and described operational amplifier electrically connects, one end of described second stiff end and second temperature compensation module electrically connects, the second zeroing end of the other end of second temperature compensation module and described operational amplifier electrically connects, and described sliding end is connected with the earth terminal of operational amplifier.
In preferred embodiment of the utility model, described rheostat is a potentiometer.
In preferred embodiment of the utility model, described measurement module further comprises conductance cell, and the output terminal of described conductance cell and the input end of operational amplifier electrically connect.
In preferred embodiment of the utility model, described oil product conductance measurement instrument system further comprises: electrically connect to store the memory module of the detected data message of described measurement module by microcontroller with microcontroller; Electrically connect temporal information is sent to the clock module of microcontroller with microcontroller; Comprise USB interface and the communication module that electrically connects with described communication module and microcontroller; Display module with the microcontroller electric connection; The power module that electrically connects respectively with correction module, measurement module, memory module, clock module, display module and microcontroller.
In preferred embodiment of the utility model, described display module is a LCDs.
In preferred embodiment of the utility model, described microcontroller further comprises: the data number processing unit that the detected data message of measurement module is numbered and data number information is sent to memory module; The data that the detected new data message of measurement module is replaced the primary data information (pdi) in the memory module cover processing unit; Remove the data dump processing unit of the data message in the memory module; The data query processing unit of data message in the inquiry memory module and corresponding data number information.
The beneficial effects of the utility model are: the resistance of the thermistor in the described temperature compensation module changes along with variation of temperature, has reduced the influence of temperature to measured value; Described data interlock processing unit can timely lock measurement numerical value, prevents to measure numerical value and decays along with time lengthening, improves the testing precision of oil product conductivity.
Description of drawings
Fig. 1 is the structured flowchart of the utility model oil product conductance measurement instrument;
Fig. 2 is the structured flowchart of microcontroller described in the utility model;
Fig. 3 is the partial circuit figure of measurement module described in the utility model.
The mark of each parts is as follows in the accompanying drawing: 1, microcontroller; 101 data interlock processing units; 102, data number processing unit; 103, data cover processing unit; 104, data dump processing unit; 105, data query processing unit; 2, correction module; 3, measurement module; 301, operational amplifier; 302, temperature compensation module; 302a, first temperature compensation module; 302b, second temperature compensation module; 302c, rheostat; T1, first thermistor; T2, second thermistor; R1, first resistance; R2, second resistance; 4, memory module; 5, clock module; 6, communication module; 7, display module; 8, power module.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby protection domain of the present utility model is made more explicit defining so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that.
See also Fig. 1 to Fig. 3, the utility model embodiment comprises:
A kind of oil product conductance measurement instrument system, comprise microcontroller 1, correction module 2, measurement module 3, memory module 4, clock module 5, communication module 6, display module 7 and power module 8, described power module 8 electrically connects respectively with microcontroller 1, correction module 2, measurement module 3, memory module 4, clock module 5, communication module 6 and display module 7, so that working power to be provided.Described correction module 2, measurement module 3, memory module 4, clock module 5, communication module 6 and display module 7 electrically connect with microcontroller 1 respectively, and correction module 2, measurement module 3, memory module 4, clock module 5, communication module 6 and display module 7 all are to carry out work under the control of microcontroller 1.
Described correction module 2 is by the testing precision of the described measurement module 3 of microcontroller 1 correction, and described measurement module 3 is sent to memory module 4 with detected data message by microcontroller 1, makes data information memory in memory module 4.
Described measurement module 3 comprises conductance cell (figure does not show), operational amplifier 301 and temperature compensation module 302, the input end of the output terminal of described conductance cell and operational amplifier 301 electrically connects, described operational amplifier 301 comprises input end, the first zeroing end, second zeroing end and the earth terminal, described temperature compensation module 302 comprises the first temperature compensation module 302a, the second temperature compensation module 302b and rheostat 302c, in the present embodiment, described rheostat 302c is a potentiometer, and described rheostat 302c comprises sliding end, first stiff end and second stiff end.The end of described first stiff end and the first temperature compensation module 302a electrically connects, the first zeroing end of the other end of the first temperature compensation module 302a and described operational amplifier 301 electrically connects, the end of described second stiff end and the second temperature compensation module 302b electrically connects, the second zeroing end of the other end of the second temperature compensation module 302b and described operational amplifier 301 electrically connects, and described sliding end is connected with the earth terminal of operational amplifier 301.
The described first temperature compensation module 302a comprises the first thermistor T1 and first resistance R 1, the first thermistor T1 and first resistance R 1 are connected in series, the described second temperature compensation module 302b comprises that the second thermistor T2 and second resistance R, 2, the second thermistor T2 and second resistance R 2 are connected in series.The resistance of the first thermistor T1 and the second thermistor T2 can change along with variation of temperature, can reduce the influence of temperature to measured value, makes the numerical value of measuring under the different temperatures close, improves the testing precision of oil product conductivity.
Described clock module 5 can be sent to temporal information microcontroller 1, and described display module 7 can show temporal information and data message, and described display module 7 is a LCDs.Described communication module 6 comprises USB interface, and USB interface can be connected with external communication terminal such as computing machine etc., and communication module 6 can export to the external communication terminal with the data message in the memory module 4 by microcontroller 1.
Described microcontroller 1 comprises that data interlock processing unit 101, data number processing unit 102, data cover processing unit 103, data dump processing unit 104 and data query processing unit 105, described data interlock processing unit 101 can timely lock measurement module 3 detected data messages, prevent that data message from decaying along with time lengthening, the time of timely locking can change as required, and be 3 seconds the locking time in the present embodiment.
Described data number processing unit 102 can be numbered measurement module 3 detected data messages and data number information is sent to memory module 4 in company with data message; Described data covering processing unit 103 can be replaced measurement module 3 detected new data messages the primary data information (pdi) in the memory module 4; Described data dump processing unit 104 can be removed the data message in the memory module 4; Described data query processing unit 105 can be inquired about data message and the corresponding data number information in the memory module 4.
Compare with existing oil product conductance measurement instrument system, the resistance of the thermistor in the temperature compensation module 302 described in the utility model changes along with variation of temperature, has reduced the influence of temperature to measured value; Described data interlock processing unit 101 can timely lock measurement numerical value, prevents to measure numerical value and decays along with time lengthening, improves the testing precision of oil product conductivity.The utility model has also increased functions such as demonstration time, data storage, data number, data covering, data dump, data query and data derivation, and is convenient and practical.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. oil product conductance measurement instrument system, comprise microcontroller (1), correction module (2) and measurement module (3), described measurement module and microcontroller electrically connect and handle so that detected data message is sent to microcontroller, described correction module and microcontroller electrically connect to proofread and correct the testing precision of described measurement module, described measurement module comprises operational amplifier (301), described operational amplifier comprises input end, the first zeroing end, second zeroing end and the earth terminal, it is characterized in that, described measurement module further comprises temperature compensation module (302), described temperature compensation module is connected between the first zeroing end and the second zeroing end of described operational amplifier, described temperature compensation module comprises first temperature compensation module (302a), second temperature compensation module (302b) and rheostat (302c), described first temperature compensation module, rheostat is connected successively with second temperature compensation module, and described first temperature compensation module and second temperature compensation module include thermistor; Described microcontroller comprises that data interlock processing unit (101) is with the detected data message of locking measurement module.
2. oil product conductance measurement instrument system as claimed in claim 1 is characterized in that, described first temperature compensation module comprises first thermistor (T1) and first resistance (R1), and first thermistor and first resistance are connected in series.
3. oil product conductance measurement instrument system as claimed in claim 1 is characterized in that, described second temperature compensation module comprises second thermistor (T2) and second resistance (R2), and second thermistor and second resistance are connected in series.
4. oil product conductance measurement instrument system as claimed in claim 1, it is characterized in that, described rheostat comprises sliding end, first stiff end and second stiff end, one end of described first stiff end and first temperature compensation module electrically connects, the first zeroing end of the other end of first temperature compensation module and described operational amplifier electrically connects, one end of described second stiff end and second temperature compensation module electrically connects, the second zeroing end of the other end of second temperature compensation module and described operational amplifier electrically connects, and described sliding end is connected with the earth terminal of operational amplifier.
5. oil product conductance measurement instrument system as claimed in claim 1 is characterized in that described rheostat is a potentiometer.
6. oil product conductance measurement instrument system as claimed in claim 1 is characterized in that described measurement module further comprises conductance cell, and the output terminal of described conductance cell and the input end of operational amplifier electrically connect.
7. oil product conductance measurement instrument system as claimed in claim 1 is characterized in that, described oil product conductance measurement instrument system further comprises:
Electrically connect to store the memory module (4) of the detected data message of described measurement module by microcontroller with microcontroller;
Electrically connect temporal information is sent to the clock module (5) of microcontroller with microcontroller;
Comprise USB interface and the communication module (6) that electrically connects with microcontroller;
Display module (7) with the microcontroller electric connection;
The power module (8) that electrically connects respectively with correction module, measurement module, memory module, clock module, display module and microcontroller.
8. oil product conductance measurement instrument system as claimed in claim 7 is characterized in that described display module is a LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002274 CN203101519U (en) | 2013-01-05 | 2013-01-05 | Measuring instrument system for oil product conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002274 CN203101519U (en) | 2013-01-05 | 2013-01-05 | Measuring instrument system for oil product conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101519U true CN203101519U (en) | 2013-07-31 |
Family
ID=48852909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320002274 Expired - Fee Related CN203101519U (en) | 2013-01-05 | 2013-01-05 | Measuring instrument system for oil product conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101519U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063929A (en) * | 2013-01-05 | 2013-04-24 | 苏州市静电设备研究所有限责任公司 | Oil product conductivity tester system |
| CN108020726A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of oil product electrical conductivity on-line monitoring equipment |
| CN109212319A (en) * | 2018-08-27 | 2019-01-15 | 古之恒信息科技（苏州）有限公司 | A kind of fuel oil electrical conductivity measurement circuit and measuring instrument |
| CN113217819A (en) * | 2020-01-21 | 2021-08-06 | 中国石油化工股份有限公司 | Electrostatic risk reduction device and method for oil product in pipeline transportation |
-
2013
- 2013-01-05 CN CN 201320002274 patent/CN203101519U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063929A (en) * | 2013-01-05 | 2013-04-24 | 苏州市静电设备研究所有限责任公司 | Oil product conductivity tester system |
| CN108020726A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of oil product electrical conductivity on-line monitoring equipment |
| CN109212319A (en) * | 2018-08-27 | 2019-01-15 | 古之恒信息科技（苏州）有限公司 | A kind of fuel oil electrical conductivity measurement circuit and measuring instrument |
| CN109212319B (en) * | 2018-08-27 | 2020-12-18 | 古之恒信息科技（苏州）有限公司 | Fuel conductivity measuring circuit and measuring instrument |
| CN113217819A (en) * | 2020-01-21 | 2021-08-06 | 中国石油化工股份有限公司 | Electrostatic risk reduction device and method for oil product in pipeline transportation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203101519U (en) | Measuring instrument system for oil product conductivity | |
| CN105675081A (en) | Oil mass detection method | |
| CN103728569B (en) | A kind of accumulator capacity Forecasting Methodology based on multifactor Grey Relational Model | |
| CN203502555U (en) | Electrical characteristic detecting device for multifunctional high-voltage circuit breaker | |
| CN103674772B (en) | The temperature compensation of diesel oil density | |
| CN204314387U (en) | A kind of precision resister measurement mechanism based on electric bridge | |
| CN205537807U (en) | Take temperature pressure compensation's gas table | |
| CN106030881A (en) | Fuel source, fuel cell system and associated method | |
| CN103063929A (en) | Oil product conductivity tester system | |
| CN204013213U (en) | The power module of the electric instrument of a kind of impermanence | |
| CN207752123U (en) | Single line detects the circuit of double cell series voltage | |
| Jiang et al. | Study of insulation monitoring device for DC system based on multi-switch combination | |
| CN203414503U (en) | Self-checking adapter of automatic detection system based on PXI bus | |
| CN102692560A (en) | Circuit for intelligent electricity meter | |
| CN111284937A (en) | Anti-collision ton bucket capable of metering | |
| CN202302717U (en) | Liquid level display device for fuel vacuum storage tank of liquefied natural gas automobile | |
| CN102795111A (en) | Oil consumption monitoring system | |
| CN201688887U (en) | Sensing unit for liquid level sensors | |
| CN204432424U (en) | A kind of car emergency carrying screen display starts power supply | |
| CN207759076U (en) | A kind of intelligent measuring and control device of aircraft refuelling pipe | |
| CN204177944U (en) | Power module testing circuit | |
| CN203719815U (en) | High-precision pressure measuring device | |
| CN105322781A (en) | Power supply module of variable electrical instrument | |
| CN212751845U (en) | Energy storage lithium battery management system for monitoring electric quantity of lithium battery | |
| CN202710654U (en) | Circuit for intelligent electricity meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190105 |