CN206892025U - A kind of device based on electric capacity conductance principle measurement crude oil water content - Google Patents
A kind of device based on electric capacity conductance principle measurement crude oil water content Download PDFInfo
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- CN206892025U CN206892025U CN201720894767.2U CN201720894767U CN206892025U CN 206892025 U CN206892025 U CN 206892025U CN 201720894767 U CN201720894767 U CN 201720894767U CN 206892025 U CN206892025 U CN 206892025U
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- conductance
- temperature
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Abstract
The utility model discloses a kind of device based on electric capacity conductance principle measurement crude oil water content, including capacitance sensor, temperature sensor, conductivity sensor, signal modulation module, data acquisition module, data processing module, storage expanding module, RS485 communication modules, keypad and LCD display module, the capacitance sensor, temperature sensor and conductivity sensor gather electric capacity respectively, temperature and conductance information are simultaneously transferred to signal modulation module, two methods of electric capacity conductance method are combined by the utility model, simultaneously because temperature has large effect to the dielectric constant and electrical conductivity of oil water mixture, carry out temperature-compensating, expand the measurement range and precision of moisture content.And the convenience for ease of making and installing, our conductivity sensor and capacitance sensor uses parallel-plate structure, and electric capacity, conductance and temperature sensor are done together.
Description
Technical field
It the utility model is related to a kind of detector, specifically a kind of dress based on electric capacity conductance principle measurement crude oil water content
Put.
Background technology
At present, from product face, at present on the market the device of general inspection crude oil water content be respectively adopted capacitance sensor and
The response of conductivity sensor, capacitance sensor and conductivity sensor changes with the change of moisture content.Capacitance is low aqueous
Section, is changed significantly with the increase of moisture content, changes unobvious with the increase of moisture content in High water cut section.And conductivity sensor is then just
It is good opposite.The two has complementarity.Because temperature has large effect to the dielectric constant and electrical conductivity of oil water mixture.Cause
This, the method being combined using the two, while temperature is compensated, it is possible to increase the scope and essence of crude oil water content measurement
Degree.In order to form more uniform detection electric field, and the convenience be easy to make and installed, our conductivity sensor and electricity
Hold sensor and use parallel-plate structure.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of based on electric capacity conductance principle measurement crude oil water content
Device, to solve the problems, such as to mention in background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of device based on electric capacity conductance principle measurement crude oil water content, including capacitance sensor, temperature sensor, electricity
It is derivative sensor, signal modulation module, data acquisition module, data processing module, storage expanding module, RS485 communication modules, small
Keyboard and LCD display module, the capacitance sensor, temperature sensor and conductivity sensor gather electric capacity, temperature and electricity respectively
Lead information and be transferred to signal modulation module, the signal output part connection data acquisition module of the signal modulation module, data
Acquisition module is also connected with data processing module, data processing module be also respectively connected with storage expanding module, RS485 communication modules,
Keypad and LCD display module, the RS485 communication modules are also connected with host computer.
As preferred scheme of the present utility model：The data processing module is using at TMS320LF2407 type data signals
Reason device is core.
Compared with prior art, the beneficial effects of the utility model are：The utility model is former using the measurement of electric capacity conductance method
Oily moisture content expands the measurement range of moisture content, and single capacitance method is carried out according to the difference of oil water mixture dielectric property
Measurement of water ratio, is suitable for low aqueous, i.e., oil is the situation of continuous phase, and conductance rule is according to oil water mixture conductive characteristic
Difference carries out measurement of water ratio, is suitable for High water cut, i.e. water is the situation of continuous phase.Electric capacity conductance method mutually ties two methods
Close, simultaneously because temperature has large effect to the dielectric constant and electrical conductivity of oil water mixture, carry out temperature-compensating, expand
The measurement range and precision of moisture content.And the convenience for ease of making and installing, our conductivity sensor and electric capacity pass
Sensor uses parallel-plate structure, and electric capacity, conductance and temperature sensor are done together.
Brief description of the drawings
Fig. 1 is block diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, a kind of device based on electric capacity conductance principle measurement crude oil water content, including capacitance sensor, temperature
Spend sensor, conductivity sensor, signal modulation module, data acquisition module, data processing module, storage expanding module, RS485
Communication module, keypad and LCD display module, the capacitance sensor, temperature sensor and conductivity sensor gather electricity respectively
Appearance, temperature and conductance information are simultaneously transferred to signal modulation module, and the signal output part connection data of the signal modulation module are adopted
Collect module, data acquisition module is also connected with data processing module, data processing module be also respectively connected with storage expanding module,
RS485 communication modules, keypad and LCD display module, the RS485 communication modules are also connected with host computer.
Data processing module uses TMS320LF2407 types digital signal processor as core.
Operation principle of the present utility model is：System design is as shown in the figure.Tester is main using TMS320LF2407 as core
To include electric capacity, temperature and conductivity sensor module, signal modulation and data acquisition module, data processing module, storage extension
Module, RS485 communication modules, keypad and LCD display module.
The change of crude oil water content causes capacitance sensor, the capacitance of conductivity sensor, electric conductivity value to change, that is, passes
Information about moisture content is converted into the change of electric capacity, conductance by sensor.By signal condition, data acquisition, obtain corresponding
Data signal.Temperature sensor is used for the temperature for detecting crude oil in real time, to carry out temperature-compensating.DSP1MS320LF2407A leads to
The data processing to electric capacity, conductance and temperature signal is crossed, calculates water cut value.Temperature and moisture content result of calculation pass through LCD
It has been shown that, host computer can also be sent to by RS485 communication interfaces to be further processed.By keypad and
RS485 interfaces can change the parameter of tester, such as mode of operation, baud rate, address, be easy to demarcation and the scene of tester
Debugging.Tester must be demarcated before practical application for different application scenarios.I.e. in different temperatures t, different is aqueous
Under the conditions of rate p, corresponding capacitance C, electric conductivity value G are measured, so as to obtain C, G, t and p corresponding relation.These nominal datas are led to
Cross RS485 interfaces and be sent to host computer.The data processing model based on BP neural network is established in host computer, by nominal data
Off-line training is carried out to neutral net with MATLAB as sample.Finally the algorithm after training is transplanted in DSP, so tested
When instrument works, according to temperature, electric capacity, the conductance currently measured, you can calculate the moisture content of tested crude oil.
Claims (2)
1. a kind of device based on electric capacity conductance principle measurement crude oil water content, including capacitance sensor, temperature sensor, conductance
Sensor, signal modulation module, data acquisition module, data processing module, storage expanding module, RS485 communication modules, small key
Disk and LCD display module, it is characterised in that the capacitance sensor, temperature sensor and conductivity sensor gather respectively electric capacity,
Temperature and conductance information are simultaneously transferred to signal modulation module, the signal output part connection data acquisition module of the signal modulation module
Block, data acquisition module are also connected with data processing module, and data processing module is also respectively connected with storage expanding module, RS485 leads to
Letter module, keypad and LCD display module, the RS485 communication modules are also connected with host computer.
A kind of 2. device based on electric capacity conductance principle measurement crude oil water content according to claim 1, it is characterised in that
The data processing module uses TMS320LF2407 types digital signal processor as core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720894767.2U CN206892025U (en) | 2017-07-24 | 2017-07-24 | A kind of device based on electric capacity conductance principle measurement crude oil water content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720894767.2U CN206892025U (en) | 2017-07-24 | 2017-07-24 | A kind of device based on electric capacity conductance principle measurement crude oil water content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206892025U true CN206892025U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720894767.2U Expired - Fee Related CN206892025U (en) | 2017-07-24 | 2017-07-24 | A kind of device based on electric capacity conductance principle measurement crude oil water content |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540975A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of crude oil water content measurement method based on conductance method |
| CN109884134A (en) * | 2019-04-03 | 2019-06-14 | 哈尔滨理工大学 | A kind of electric pole type crude oil water content real-time detector |
| CN110261447A (en) * | 2019-08-06 | 2019-09-20 | 仕达科技(广州)有限公司 | Water content detection sensor and MOISTURE MEASUREMENT SYSTEM |
| CN113176306A (en) * | 2021-04-25 | 2021-07-27 | 西安石油大学 | Device and method for calculating oil-water ratio in tank body |
| CN116106373A (en) * | 2023-02-09 | 2023-05-12 | 哈尔滨理工大学 | Dual-frequency phase-sensitive demodulation crude oil physical property parameter measurement system and method |
-
2017
- 2017-07-24 CN CN201720894767.2U patent/CN206892025U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540975A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of crude oil water content measurement method based on conductance method |
| CN109884134A (en) * | 2019-04-03 | 2019-06-14 | 哈尔滨理工大学 | A kind of electric pole type crude oil water content real-time detector |
| CN110261447A (en) * | 2019-08-06 | 2019-09-20 | 仕达科技(广州)有限公司 | Water content detection sensor and MOISTURE MEASUREMENT SYSTEM |
| CN113176306A (en) * | 2021-04-25 | 2021-07-27 | 西安石油大学 | Device and method for calculating oil-water ratio in tank body |
| CN113176306B (en) * | 2021-04-25 | 2023-09-12 | 西安石油大学 | Device and method for calculating oil-water ratio in tank body |
| CN116106373A (en) * | 2023-02-09 | 2023-05-12 | 哈尔滨理工大学 | Dual-frequency phase-sensitive demodulation crude oil physical property parameter measurement system and method |
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| 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: 20180116 Termination date: 20180724 |