CN106441433A - Device for detecting oil product - Google Patents
Device for detecting oil product Download PDFInfo
- Publication number
- CN106441433A CN106441433A CN201610873921.8A CN201610873921A CN106441433A CN 106441433 A CN106441433 A CN 106441433A CN 201610873921 A CN201610873921 A CN 201610873921A CN 106441433 A CN106441433 A CN 106441433A
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- Prior art keywords
- oil product
- module
- piezoelectric quartz
- measured
- signal
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention relates to the technical field of oil product monitoring and provides a device for detecting an oil product. The device comprises a temperature measuring element, a piezoelectric quartz element, a coaxial capacity element, a signal excitation module and a signal acquisition module, wherein the signal excitation module is connected with the piezoelectric quartz element and used for sending out an excitation signal to the piezoelectric quartz element, so that the piezoelectric quartz element detects an oil product to be detected, the signal acquisition module is connected with the temperature measuring element, the piezoelectric quartz element and the coaxial capacity element respectively and used for acquiring the parameters of the to-be-detected oil product detected by the temperature measuring element, the piezoelectric quartz element and the coaxial capacity element. The device for detecting the oil product can simultaneously measure parameters such as oil viscosity, density, dielectric constant and temperature of the oil product to be detected, processes detection results through a signal processor and then sends out the results through a communication module, and the efficiency and accuracy of oil product measurement are improved.
Description
Technical field
Embodiment of the present invention is related to oil of supervising and control technical field, more particularly to a kind of dress that oil product is detected
Put.
Background technology
All kinds of oil product such as lubricating oil, hydraulic oil, fuel oil is widely used in engineering machinery, communications and transportation, metallurgical, manufactures,
Petrochemical industry, the various industries such as electric power energy, are the important goods being related to national economy.With conservation-minded society, environment friend
The development of good type society, how save energy, is the Important Problems that all trades and professions consider.Such as, eliminate in the past old regular,
Timing is changed oil standard, realizes Change oil according to oil quality according to fluid running status, can greatly promote lubricating oil, hydraulic oil using week
Phase；Fuel oil quality is monitored, makes the expensive equipment safe operation such as engine, it is to avoid accident occurs.
Inventor, in long-term research process, finds that prior art at least has problems with：Existing oil product detection
Need to complete by large-scale Laboratory Instruments, main inclusion：Automatic viscosity measurer, densitometer, fluid dielectric constant is tested
Instrument etc..These instrument prevailing prices are expensive, and bulky is it is desirable to work it is impossible to simultaneously in sufficiently stable running environment
Carry out multiple parameters measurement, measurement efficiency is low, be unfavorable for carrying out real-time monitoring to oil quality.Therefore, how to design one kind same
When device that oil product multiple parameters are monitored be to have problem to be solved.
Content of the invention
Embodiment of the present invention is mainly solving the technical problems that the detection of existing oil product needs by large-scale laboratory
Instrument completes, and these instrument prevailing prices are expensive, bulky it is desirable to work in sufficiently stable running environment it is impossible to
Shi Jinhang multiple parameters measure, and measurement efficiency is low, is unfavorable for carrying out real-time monitoring to oil quality.
For solving above-mentioned technical problem, the technical scheme that embodiment of the present invention adopts is：There is provided a kind of to oil product
The device being detected, including：Temperature-measuring element, piezoelectric quartz element, coaxial capacitance element, signal stimulating module and signal
Acquisition module, wherein：Described temperature-measuring element is used for measuring the temperature of described oil product to be measured；Described piezoelectric quartz element is used for
Measure viscosity and the density of described oil product to be measured；Described coaxial capacitance element is used for measuring the dielectric constant of described oil product to be measured；
Described signal stimulating module is connected with described piezoelectric quartz element, for sending pumping signal to described piezoelectric quartz element, makes
Described piezoelectric quartz element detects to oil product to be measured；Described signal acquisition module respectively with described temperature-measuring element, pressure
Electric quartz element and coaxial capacitance element connect, for gathering described temperature-measuring element, piezoelectric quartz element, coaxial capacitance unit
The parameter of the oil product described to be measured that part detects.
Alternatively, signal processing module and communication module are also included, wherein：Described signal processing module is adopted with described signal
Collection module connects, and obtains testing result for carrying out process to the parameter of described oil product to be measured；Described communication module and described letter
Number processing module connects, for sending described testing result.
Alternatively, first electrode and second electrode, one end of described first electrode and described temperature-measuring element are also included
Connect, the other end is connected with described signal acquisition module, and one end of described second electrode is connected with described piezoelectric quartz element, separately
One end is connected with described signal stimulating module；Described coaxial capacitance element is wrapped in and leans on outside described first electrode and second electrode
Closely described temperature-measuring element and the side of piezoelectric quartz element.
Alternatively, also include sintering seal member, described sintering seal member is wrapped in described first electrode and the second electricity
Near the side of described signal acquisition module and signal stimulating module outside pole, for isolating described oil product to be measured and described signal
Acquisition module and signal stimulating module.
Alternatively, also include protective case, described protective case be arranged at described temperature-measuring element, piezoelectric quartz element and with
Outside axle capacity cell, for protecting described temperature-measuring element, piezoelectric quartz element, coaxial capacitance element.
Alternatively, the shell being connected with described protective case, described signal stimulating module, signal acquisition module, letter are also included
Number processing module and communication module are respectively positioned on described enclosure.
Alternatively, described outer casing bottom is provided with connector, and described connector is connected with described communication module, for will be described
Testing result is transmitted to host computer.
Alternatively, also include power module, described power module respectively with described signal stimulating module, signals collecting mould
Block, signal processing module and communication module connect, for being powered for the described device that oil product is detected.
Alternatively, also include memory module, described memory module is connected with described signal acquisition module, described for storing
The parameter of oil product to be measured.
Alternatively, also include display module, described display module is connected with described signal acquisition module, described for showing
The parameter of oil product to be measured.
The device that oil product is monitored that embodiment of the present invention provides can be to the oil viscosity of oil product to be measured, close
The parameter such as degree, dielectric constant and temperature is measured simultaneously, and passes through after testing result is processed by signal processor
Communication module sends, and improves efficiency and the accuracy rate of oil product measurement.
Brief description
Fig. 1 is a kind of structural representation one of device that oil product is detected provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation two of device that oil product is detected provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation three of device that oil product is detected provided in an embodiment of the present invention.
Specific embodiment
Refer to Fig. 1, a kind of device that oil product is detected provided in an embodiment of the present invention, including：Temperature survey unit
Part 1, piezoelectric quartz element 2, coaxial capacitance element 3, signal stimulating module 4 and signal acquisition module 5, wherein：Described temperature is surveyed
Amount element 1 is used for measuring the temperature of described oil product to be measured；Described piezoelectric quartz element 2 is used for measuring the viscosity of described oil product to be measured
And density；Described coaxial capacitance element 3 is used for measuring the dielectric constant of described oil product to be measured；Described signal stimulating module 4 and institute
State piezoelectric quartz element 2 to connect, for sending pumping signal to described piezoelectric quartz element 2, make described piezoelectric quartz element 2 right
Oil product to be measured is detected；Described signal acquisition module 5 respectively with described temperature-measuring element 1, piezoelectric quartz element 2 and coaxial
Capacity cell 3 connects, for the institute gathering described temperature-measuring element 1, piezoelectric quartz element 2, coaxial capacitance element 3 detect
State the parameter of oil product to be measured.Specifically, described temperature-measuring element 1 can be temperature sensor, thermistor, triode etc..
Described temperature-measuring element 1 can be experienced the temperature of oil product to be measured and the temperature transition of oil product is become exportable temperature signal.
According to the characteristic of thermistor, the temperature of this thermistor place oil product can be learnt by the resistance value measuring thermistor two ends
Degree, by the known temperature measurement component such as PT100 or PT1000, builds thermometric modulate circuit, realizes the accurate measurement of temperature, differentiate
Rate reaches 0.1 DEG C, and precision is at 0.3 DEG C；Described piezoelectric quartz element 2 is rectangle, produces certain frequency by signal stimulating module 4
Rate and the pumping signal of voltage magnitude, promote piezoelectric quartz element 2 to produce resonance so that its resonant frequency can be in oil product to be measured
Interior detection, will not occur failure of oscillation or the fracture phenomena that fractures, and the Density Detection of oil product to be measured measures piezoelectric quartz element using real-time
Frequency change in oil obtains, and the viscosity measurement of oil product to be measured adopts the oscillator Q value of real-time detection piezoelectric quartz element to become
Change；Described coaxial capacitance element 3 adopts one group of ganged condenser, by the change of the capacitance between real-time detection ganged condenser
Change, calculate the change of the permittivity ε of oil product to be measured of coaxial capacitance.This device make oil product to be measured is carried out oil viscosity,
The parameters such as density, dielectric constant and temperature measure simultaneously, ensure the quality of oil product by observing these parameters at any time.
Refer to Fig. 2, further, described device also includes signal processing module 6 and communication module 7, wherein：Described letter
Number processing module 6 is connected with described signal acquisition module 5, obtains detection knot for carrying out process to the parameter of described oil product to be measured
Really；Described communication module 7 is connected with described signal processing module 6, for sending described testing result.Specifically, this signal
The temperature of the oil product to be measured that processing module 6 records according to temperature-measuring element 1, to compensate oil product temperature, to improve accuracy of detection.
Refer to Fig. 3, further, described device also includes first electrode 8 and second electrode 9, described first electrode 8
One end is connected with described temperature-measuring element 1, and the other end is connected with described signal acquisition module 5, one end of described second electrode 9
It is connected with described piezoelectric quartz element 2, the other end is connected with described signal stimulating module 4；Described coaxial capacitance element 3 is wrapped in
Described first electrode 8 and second electrode 9 outside are near the side of described temperature-measuring element 1 and piezoelectric quartz element 2.
Further, also include sintering seal member 10, described sintering seal member 10 be wrapped in described first electrode 8 with
The close described signal acquisition module 5 in second electrode 9 outside and the side of signal stimulating module 4, for isolating described oil product to be measured
With described signal acquisition module 5 and signal stimulating module 4, specifically, described sintering seal member 10 is can be glass sintering
Seal, ceramic post sintering seal, wherein glass frit seal part are that fluorinated material is (for example by glass and metal sintering
Tetrafluoroethene, polyurethane, epoxy resin etc.) filling form, ceramic post sintering seal be by pottery and metal sintering, fluorinated
Material (such as tetrafluoroethene, polyurethane, epoxy resin etc.) filling forms, and this sintering seal member 10 has insulating properties, has
Effect isolates described oil product to be measured and described signal acquisition module 5 and signal stimulating module 4, reduces measure error.Preferably, described
It is additionally provided with pad outside sintering seal member 10.
Further, also include protective case 11, described protective case 11 is arranged at described temperature-measuring element 1, piezoelectric quartz
Outside element 2 and coaxial capacitance element 3, for protecting described temperature-measuring element 1, piezoelectric quartz element 2, coaxial capacitance element
3.Specifically, described protective case 11 preferably employs stainless steel grid protective cover.
Further, the shell 12 being connected with described protective case, described signal stimulating module 4, signals collecting mould are also included
Block 5, signal processing module 6 and communication module 7 are respectively positioned on described enclosure.Specifically, shell 12 preferably employs stainless steel one
Body processes, and realizes the protection to whole device, and degree of protection reaches I P67, is prevented effectively from various harsh applied environments
In pollution to device, improve the scope of application of this device, extend the life-span.Shell 12 can also be split-type structural.
Further, described shell 12 bottom is provided with connector 13, and described connector 13 is connected with described communication module 7,
For described testing result is transmitted to host computer.Specifically, described connector 13 can flexibly be arranged as needed, can be several
Word passage RS485 interface, RS232 interface, analog channel 4-20mA interface, 0-20mA interface, 0-5V interface etc..
Further, also include power module 14, described power module 14 respectively with described signal stimulating module 4, signal
Acquisition module 5, signal processing module 6 and communication module connect 7, for supplying for the described device that oil product is detected
Electricity.Specifically, power module 14 can select AC220V/DC24V voltage transformation module.
Further, also include memory module (not shown), described memory module is connected with described signal acquisition module, use
In the parameter storing described oil product to be measured.Specifically, described memory module can be storage circuit or memory bar.
Further, also include display module (not shown), described display module is connected with described signal acquisition module, use
In the parameter showing described oil product to be measured.Specifically, display module can be display screen or display.
The embodiment of the present invention provides a kind of device that oil product is monitored, can be to the oil viscosity of oil product to be measured, close
The parameter such as degree, dielectric constant and temperature is measured simultaneously, and passes through after testing result is processed by signal processor
Communication module sends, and improves efficiency and the accuracy rate of oil product measurement.
The foregoing is only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization is originally
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of device that oil product is detected is it is characterised in that include：Temperature-measuring element, piezoelectric quartz element, coaxial
Capacity cell, signal stimulating module and signal acquisition module, wherein：
Described temperature-measuring element is used for measuring the temperature of described oil product to be measured；
Described piezoelectric quartz element is used for measuring viscosity and the density of described oil product to be measured；
Described coaxial capacitance element is used for measuring the dielectric constant of described oil product to be measured；
Described signal stimulating module is connected with described piezoelectric quartz element, for sending excitation letter to described piezoelectric quartz element
Number, make described piezoelectric quartz element that oil product to be measured is detected；
Described signal acquisition module is connected with described temperature-measuring element, piezoelectric quartz element and coaxial capacitance element respectively, uses
The parameter of the oil product described to be measured arriving in the described temperature-measuring element of collection, piezoelectric quartz element, coaxial capacitance element testing.
2. the device that oil product is detected according to claim 1 it is characterised in that also include signal processing module and
Communication module, wherein：
Described signal processing module is connected with described signal acquisition module, for carrying out processing to the parameter of described oil product to be measured
To testing result；
Described communication module is connected with described signal processing module, for sending described testing result.
3. the device that oil product is detected according to claim 2 is it is characterised in that also include first electrode and second
Electrode, one end of described first electrode is connected with described temperature-measuring element, and the other end is connected with described signal acquisition module, institute
The one end stating second electrode is connected with described piezoelectric quartz element, and the other end is connected with described signal stimulating module；
Described coaxial capacitance element is wrapped in outside described first electrode and second electrode near described temperature-measuring element and pressure
The side of electric quartz element.
4. the device that oil product is detected according to claim 3 it is characterised in that also include sinter seal member,
Described sintering seal member is wrapped in and swashs near described signal acquisition module and signal outside described first electrode and second electrode
Encourage the side of module, for isolating described oil product to be measured and described signal acquisition module and signal stimulating module.
5. the device that oil product is detected according to any one of claim 1-4 is it is characterised in that also include protecting
Set, described protective case is arranged at described temperature-measuring element, piezoelectric quartz element and coaxial capacitance element-external, for protecting
State temperature-measuring element, piezoelectric quartz element, coaxial capacitance element.
6. the device that oil product is detected according to claim 2 is it is characterised in that also include with described protective case even
The shell connecing, described signal stimulating module, signal acquisition module, signal processing module and communication module are respectively positioned on described inside the shell
Portion.
7. the device that oil product is detected according to claim 2 is it is characterised in that described outer casing bottom is provided with connection
Device, described connector is connected with described communication module, for transmitting described testing result to host computer.
8. the device that oil product is detected according to claim 2 is it is characterised in that also including power module, described
Power module is connected with described signal stimulating module, signal acquisition module, signal processing module and communication module respectively, for for
The described device that oil product is detected is powered.
9. the device that oil product is detected according to claim 1 is it is characterised in that also including memory module, described
Memory module is connected with described signal acquisition module, for storing the parameter of described oil product to be measured.
10. the device that oil product is detected according to claim 1 is it is characterised in that also including display module, described
Display module is connected with described signal acquisition module, for showing the parameter of described oil product to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873921.8A CN106441433A (en) | 2016-09-30 | 2016-09-30 | Device for detecting oil product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873921.8A CN106441433A (en) | 2016-09-30 | 2016-09-30 | Device for detecting oil product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106441433A true CN106441433A (en) | 2017-02-22 |
Family
ID=58171862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873921.8A Pending CN106441433A (en) | 2016-09-30 | 2016-09-30 | Device for detecting oil product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441433A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107580051A (en) * | 2017-09-05 | 2018-01-12 | 上海博泰悦臻电子设备制造有限公司 | Fuel qualities acquisition methods, system, vehicle-mounted T Box and storage medium |
| CN113156093A (en) * | 2021-04-26 | 2021-07-23 | 沈阳大工先进技术发展有限公司 | Oil liquid detection system and detection method |
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