CN109164137A - Heat-conducted media recognition sensor - Google Patents
Heat-conducted media recognition sensor Download PDFInfo
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- CN109164137A CN109164137A CN201811164198.1A CN201811164198A CN109164137A CN 109164137 A CN109164137 A CN 109164137A CN 201811164198 A CN201811164198 A CN 201811164198A CN 109164137 A CN109164137 A CN 109164137A
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- 239000003921 oil Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001298 alcohols Chemical class 0.000 claims abstract description 11
- 239000000295 fuel oil Substances 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 31
- 239000002131 composite material Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000002609 medium Substances 0.000 description 42
- 238000001514 detection method Methods 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 8
- 239000012736 aqueous medium Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000012773 Laboratory assay Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000803 paradoxical effect Effects 0.000 description 1
- ZRHANBBTXQZFSP-UHFFFAOYSA-M potassium;4-amino-3,5,6-trichloropyridine-2-carboxylate Chemical group [K+].NC1=C(Cl)C(Cl)=NC(C([O-])=O)=C1Cl ZRHANBBTXQZFSP-UHFFFAOYSA-M 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000011850 water-based material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention provides a kind of synthesis coefficient of heat transfer (i.e. thermal conductivity) according to different types of liquid is different, and the physical characteristic for being heated and had by invariable power heat source the synthesis coefficient of heat transfer of temperature rise of the object of constant heat dissipation area in particular medium and the medium to be inversely proportional realizes the media recognition sensor to media recognition, this sensor exports different signals according to the type (water/alcohols/light oil/heavy oil/gas) of medium, and realization identifies and distinguishes between medium.
Description
Technical field
The invention of this project is related to a kind of sensor more particularly to a kind of sensor of heat-conducted media recognition.
Background technique
Many times require to make to whether being mixed into another medium in Oil, Water, Gas body in industrial and agricultural production and life
Judgement, such as need to detect to whether the dielectric (insulating oil) of electrical equipment is mixed into condensed water in power industry, with
Prevent mixed water from short circuit, paradoxical discharge being caused to lead to accident etc., the industries such as traffic transport industry such as automobile, aviation, water transport need
It to be detected to whether fuel and lubricating oil are mixed into impurity medium such as alcohols, water etc., to prevent water, alcohols etc. to be mixed into lubricating oil
Caused characteristic changing, which causes premature wear, air-resistance phenomenon of mechanical system etc., or prevent water, alcohols etc. to be mixed into fuel, to be caused
Air-fuel ratio variation, atomizer are damaged or even internal combustion engine is flame-out etc..
For the demand, be generally used in the industry at present special chemical medium detection (such as sodium sand, anhydrous cupric sulfate),
The very original method such as laboratory assay is detected, and not only time-consuming for these methods, troublesome in poeration, but also is belonged to subsequent
Detection, static detection and discontinuity detection, such detection the generation prevented accident obviously is acted on it is limited, even without how many
Effect, this is also the reason of accident, failure caused by problems happen occasionally, and aviation public affairs are revived in the Taiwan as the first two years occur
Department's combustion sensing water content mixed in oil cause flame-out in flight, the man-machine heavy accident all ruined to be because be mixed into water in fuel oil without finding in time and
Caused serious consequence.But while this kind of accident easily causes the massive losses of lives and properties, but due to not having still in industry
Any sensor can carry out in real time to the media such as alcohols and/or water are mixed in the substances such as fuel oil, insulating oil or lubricating oil
Dynamic monitoring, therefore, though people this kind of accident is felt it is vigilant, but still cannot be to find that this problem provides one in time
A effective solution scheme, can only hope " water " to heave a sigh.
Relevant issues are always a big difficulty, pain spot in the industry.
Therefore, a kind of energy Real-time and Dynamic Detection medium type is developed, the simple senser element for distinguishing different medium is to reduction
Even related accidents, failure is avoided to have very important significance.And this project is exactly be directed to the exploitation of this industry problem one
Kind media recognition sensor.
Summary of the invention
The present invention provides a kind of synthesis coefficient of heat transfer (i.e. thermal conductivity) differences according to different types of medium, and by permanent function
Rate heat source heat and have the synthesis coefficient of heat transfer of temperature rise of the object of constant heat dissipation area in particular medium and the medium at
The physical characteristic of inverse ratio realizes the media recognition sensor to media recognition, and this sensor is according to the type (water/alcohol of medium
Class/light oil/heavy oil/gas) the different signal of output, it realizes and medium is identified and distinguished between.
The heat-conducted media recognition sensor is by will be heated by invariable power heat source and have constant heat dissipation area
Correlativity between object temperature rise in the medium and the type of the medium is demarcated, and nominal data is stored in sensing
The data processing unit of device allows data processing unit by the number of the data of the media recognition sensor practical measurement and the calibration
According to the mode being compared, realization identifies and distinguishes between medium.
The heat-conducted media recognition sensor is to utilize to be heated by invariable power heat source and have the object of constant heat dissipation area
The physical characteristic that the synthesis coefficient of heat transfer of temperature rise of the body in particular medium and the medium is inversely proportional the temperature rise and the medium it
Between set up correlativity realization medium is identified and distinguished between.
As shown in Figure 1, the present invention includes four parts: 1. medium temperature sensing unit；2. hot end composite sensing unit；③
Sensor outer housing；4. data processing unit.
1. the medium temperature sensing unit is the sensor that can sense identified medium original temperature, and described
Data processing unit is 4. electrically connected and data connection, 1. the medium temperature sensing unit collection medium temperature and is sent to described
Data processing unit is 4..
The hot end composite sensing unit is 2. 4. electrically connected with the data processing unit and data connection, and the hot end is multiple
It closes sensing unit to be 2. made of heating wire and temperature sensor, heating wire and temperature sensor constitute composite sensing by thermal coupling
Unit is whole, and heating wire is generated heat with the firm power set, and temperature sensor acquires the temperature of this unit and is sent to the number
4. according to processing unit.
3. the sensor outer housing is 1. 2. the medium temperature sensing unit is provided with the hot end composite sensing unit
The shell and fixing device for installing of storing, medium temperature sensing unit described in practice 1. with the hot end composite sensing unit 2.
It is respectively placed in two on the sensor outer housing cylindrical shells or on two insulator brackets, respectively constitutes two sensings
Probe.
The data processing unit 4. receive the medium temperature sensing unit 1. with the hot end composite sensing unit 2.
The data sent simultaneously are handled, and then carry out processing result with the nominal data being stored on data processing unit memory
Compare and make according to comparison result the judgement of medium type and/or property.
Implementing the embodiment of the present invention has following effect:
It can effectively identify in the oil based medias such as all kinds of fuel oils, insulating oil, lubricating oil whether be mixed into aqueous medium (containing alcohols), or
Whether excessive aqueous medium is mixed into all kinds of alcoholic mediums.
It can effectively identify in the liquid mediums such as all kinds of fuel oils, insulating oil, lubricating oil, alcohols, water class and whether be mixed into gas
Medium (such as air, exhaust gas).
Can be to whether being mixed into aqueous medium (containing alcohols) or all kinds of alcohol in the oils such as all kinds of fuel oils, insulating oil, lubricating oil
It whether is mixed into excessive aqueous medium in class medium to carry out real-time dynamic detection and make early warning, is greatly reduced or even prevents because of combustion
The generation of various accidents caused by the impurity such as moisture is mixed into oil, insulating oil.
Can once and for all solve that long-standing problem electric power, automobile, shipbuilding, aviation etc. " sensing water content mixed in oil " of industries, " liquid pipe is inhaled
It is empty " the problems such as.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is heat-conducted media recognition sensor overall structure figure provided in an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It is described in detail below.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent goods alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Any related number such as " 1. ", " 2. " in description and claims of this specification and the attached drawing,
" 3. " ... or " first ", " second ", " third " ... or other appearance of any similar number in the text, unless there are explicitly
It is bright, it is intended only to facilitate and distinguishes different objects, be not use to describe a particular order.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that covering non-exclusive includes such as to contain the mistake of a series of steps or units
Journey, method, system, product or equipment are not limited to listed step or unit, but optional further includes not listing
The step of or unit or optional the further include other step or units intrinsic for these process, methods, product or equipment.
The part term in the application is explained below, in order to the understanding of those skilled in the art.
Medium temperature sensing unit can detecte the sensing device of identified medium original temperature, this sensing device packet
Include but be not limited to any induction that temperature change can be converted to electric signal such as thermocouple, thermistor, pressure-type thermometer
Device.
Referring to Fig. 1, the unit of hot end composite sensing shown in Fig. 1 is that own temperature variation is generated heat and can detect with firm power
Sensing device, here firm power fever realization device include but is not limited to heating wire, PTC heating element, induction plus
The heating elements such as thermal element and matched constant power controller, the realization device for detecting temperature change includes but is not limited to thermoelectricity
Any sensing device that temperature change can be converted to electric signal such as idol, thermistor, pressure-type thermometer.
Sensor outer housing: the sensor outer housing, which refers to, can be used for putting the medium temperature sensing unit and hot end is compound
The structure or device of sensing unit；
As shown in Figure 1, the medium temperature sensing unit 1., the hot end composite sensing unit be 2. respectively placed in the sensor
In the cylindrical shell of two of shell or on two insulator brackets；
The material of the sensor outer housing 3. can be suitable according to the environmental selection where specific purposes and/or detection medium
Metal shell or plastic shell, in use, the sensor outer housing is general in corrosive environment, hyperbaric environment or hot environment
Certain thickness stainless steel material is selected to manufacture；
The structure of the sensor outer housing 3. can according to need design, be screw type bracket in the form of in the present embodiment,
Conveniently it is mounted directly.
Above "and/or" describes the incidence relation of affiliated partner, indicates may exist three kinds of relationships, such as A and/or B,
Can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Character "/" typicallys represent forward-backward correlation
Object is the relationship of "or" in one.
Data processing unit, data processing unit are mentioned for the medium temperature sensing unit and hot end composite sensing unit
Power supply source receives described two sensing unit data sent and the control device being analyzed and processed.
It is heat-conducted media recognition sensor overall structure figure of the present invention referring to Fig. 1, Fig. 1, it can from Fig. 1
It arrives, 1. 2. the medium temperature sensing unit is respectively placed in two on the sensor outer housing with the hot end composite sensing unit
It is a cylinder shell in or two insulator brackets on, two sensing units with the data processing unit 4. between be electrically connected
And data connection.
In practice, 1. the medium temperature sensing unit collection medium original temperature and is sent to the data processing unit
4. fever causes this cell temperature to change 2. the hot end composite sensing unit is powered after, the hot end composite sensing unit is 2.
4. the temperature variation data of this unit is issued into the data processing unit, 4. above-mentioned number that the data processing unit will receive
According to being handled to obtain the real value of temperature rise data, then this real value is carried out with the calibration value being stored on its memory
To compare, and makes the judgement of identified medium type according to comparison result, the judgement made is exported by forms such as electric signals,
Realize the identification or differentiation to medium.
It is needing to whether being mixed into aqueous medium (containing alcohols) in the oil based medias such as all kinds of fuel oils, insulating oil, lubricating oil,
Or when in all kinds of alcoholic mediums whether being mixed into excessive aqueous medium, since aqueous medium is bigger than the density of oily substance, this
The heat-conducted media recognition sensor is generally seated in the bottom of medium reservoirs in the case of kind, is needing to all kinds of fuel oils, insulation
When whether being mixed into gas medium (such as air, exhaust gas) in the liquid mediums such as oil, lubricating oil, alcohols, water class, since gas is situated between
Matter is smaller than the density of oils or water-based material, therefore the heat-conducted media recognition sensor is generally seated in medium in this case
The top of storage tank.
Claims (8)
1. heat-conducted media recognition sensor, which is characterized in that it is a kind of comprehensive heat dissipation system according to different types of medium
Number (i.e. thermal conductivity) is different, and heated and had by invariable power heat source temperature rise of the object of constant heat dissipation area in particular medium and
The physical characteristic that the synthesis coefficient of heat transfer of the medium is inversely proportional realizes a kind of sensor to media recognition；
The heat-conducted media recognition sensor can export different according to the type (water/alcohols/light oil/heavy oil/gas) of medium
Signal, realization medium is identified and distinguished between.
2. the heat-conducted media recognition sensor according to right 1, which is characterized in that it is by that will be heated by invariable power heat source
And the correlativity between the object temperature rise in the medium with constant heat dissipation area and the type of the medium is demarcated, and
Nominal data is stored in the data processing unit of sensor, allow data processing unit by the media recognition sensor it is practical survey
The mode that fixed data are compared with the data of the calibration, realization identify and distinguish between medium.
3. the heat-conducted media recognition sensor according to right 1 or right 2, which is characterized in that it is using by invariable power heat
Heat and have temperature rise of the object of constant heat dissipation area in particular medium and the synthesis coefficient of heat transfer of the medium to be inversely proportional in source
Physical characteristic realization set up correlativity between the temperature rise and the type medium.
4. the heat-conducted media recognition sensor according to right 1 or right 2 or right 3, which is characterized in that it includes four portions
Point: 1. medium temperature sensing unit；2. hot end composite sensing unit；3. sensor outer housing；4. data processing unit:
The medium temperature sensing unit is electrically connected with the data processing unit and data connection；
The hot end composite sensing unit is electrically connected with the data processing unit and data connection；
The sensor outer housing provides the shell of storing for the medium temperature sensing unit and the hot end composite sensing unit
And fixing device for installing；
The data processing unit is electrically connected with the medium temperature sensing unit, the hot end composite sensing unit and data connect
It connects.
5. the heat-conducted media recognition sensor according to right 1 or right 4, which is characterized in that it includes a medium temperature
Sensing unit；
The medium temperature sensing unit is the sensor that can sense identified medium original temperature, collection medium temperature
And it is sent to the data processing unit.
6. the heat-conducted media recognition sensor according to right 1 or right 4, which is characterized in that it includes that a hot end is compound
Sensing unit；
The hot end composite sensing unit is made of heating wire and temperature sensor, and heating wire and temperature sensor pass through thermal coupling
Composite sensing unit entirety is constituted, heating wire is generated heat with the firm power set, and temperature sensor acquires the temperature of this unit simultaneously
It is sent to the data processing unit.
7. the heat-conducted media recognition sensor according to right 1 or right 4, which is characterized in that it includes outside a sensor
Shell, the sensor outer housing can be one and provide and set for the medium temperature sensing unit and the hot end composite sensing unit
Put the device with installation site.
8. the heat-conducted media recognition sensor according to right 1 or right 2, which is characterized in that it includes a data processing
Unit, the data processing unit, which is one, has the data processing equipment for receiving, storing and processing data capability；
The data processing unit receives the data that the medium temperature sensing unit and the hot end composite sensing unit are sent
And handled, then processing result is compared to simultaneously basis with the nominal data being stored on data processing unit memory
Comparison result makes the judgement of medium type and/or property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811164198.1A CN109164137A (en) | 2018-10-04 | 2018-10-04 | Heat-conducted media recognition sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811164198.1A CN109164137A (en) | 2018-10-04 | 2018-10-04 | Heat-conducted media recognition sensor |
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| Publication Number | Publication Date |
|---|---|
| CN109164137A true CN109164137A (en) | 2019-01-08 |
Family
ID=64877350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811164198.1A Pending CN109164137A (en) | 2018-10-04 | 2018-10-04 | Heat-conducted media recognition sensor |
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| Country | Link |
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| CN (1) | CN109164137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256758A (en) * | 2020-02-27 | 2020-06-09 | 深圳市东力科创技术有限公司 | Method and device for monitoring pumping well, storage medium and computer equipment |
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|---|---|---|---|---|
| US6037592A (en) * | 1997-02-14 | 2000-03-14 | Underground Systems, Inc. | System for measuring gases dissolved in a liquid |
| CN201974408U (en) * | 2011-04-02 | 2011-09-14 | 北京中泰通达科技发展有限公司 | Dangerous liquid inspection tester |
| CN103344667A (en) * | 2013-07-10 | 2013-10-09 | 中国人民解放军空军勤务学院 | Method for quickly measuring water content of lubricating oil by thermometric titration |
| CN107407649A (en) * | 2014-12-16 | 2017-11-28 | 牛津大学创新有限公司 | Composition based on hot quality detection sample |
| CN108387291A (en) * | 2018-03-18 | 2018-08-10 | 李晨天 | Synchronized sampling thermal conductance type liquid level sensor |
-
2018
- 2018-10-04 CN CN201811164198.1A patent/CN109164137A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6037592A (en) * | 1997-02-14 | 2000-03-14 | Underground Systems, Inc. | System for measuring gases dissolved in a liquid |
| CN201974408U (en) * | 2011-04-02 | 2011-09-14 | 北京中泰通达科技发展有限公司 | Dangerous liquid inspection tester |
| CN103344667A (en) * | 2013-07-10 | 2013-10-09 | 中国人民解放军空军勤务学院 | Method for quickly measuring water content of lubricating oil by thermometric titration |
| CN107407649A (en) * | 2014-12-16 | 2017-11-28 | 牛津大学创新有限公司 | Composition based on hot quality detection sample |
| CN108387291A (en) * | 2018-03-18 | 2018-08-10 | 李晨天 | Synchronized sampling thermal conductance type liquid level sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256758A (en) * | 2020-02-27 | 2020-06-09 | 深圳市东力科创技术有限公司 | Method and device for monitoring pumping well, storage medium and computer equipment |
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Application publication date: 20190108 |