CN110261447A - Water content detection sensor and MOISTURE MEASUREMENT SYSTEM - Google Patents
Water content detection sensor and MOISTURE MEASUREMENT SYSTEM Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 143
- 239000000126 substance Substances 0.000 claims abstract description 71
- 238000005538 encapsulation Methods 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 27
- 230000008054 signal transmission Effects 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 8
- 125000002619 bicyclic group Chemical group 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 230000005612 types of electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KHMVXSQLPUNRCF-UHFFFAOYSA-N DL-Adalin Natural products C1CCC2CC(=O)CC1(CCCCC)N2 KHMVXSQLPUNRCF-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/227—Sensors changing capacitance upon adsorption or absorption of fluid components, e.g. electrolyte-insulator-semiconductor sensors, MOS capacitors
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Abstract
The present invention provides a kind of water content detection sensor and MOISTURE MEASUREMENT SYSTEMs, are related to detection technique field, which includes: processor, and the first capacitor device, the second capacitor and the temperature sensor that are separately connected with processor；First capacitor device and the second capacitor are different types of capacitor；First capacitor device is used to acquire the first capacitor value of substance to be detected, and first capacitor value is sent to processor；Second capacitor is used to acquire the second capacitance of substance to be detected, and the second capacitance is sent to processor；Temperature sensor is used to acquire the temperature value of substance to be detected, and temperature value is sent to processor；For processor for exporting moisture information corresponding with first capacitor value, the second capacitance and temperature value, moisture information includes the moisture state information of substance to be detected and/or the moisture content information of substance to be detected.The present invention, which improves, treats the reliability that detection substance carries out water content detection.
Description
Technical field
The present invention relates to detection technique fields, more particularly, to a kind of water content detection sensor and MOISTURE MEASUREMENT SYSTEM.
Background technique
In industry and the production of agricultural, storage, transport and use process, due to the original of environment and technical matters etc.
Cause might have moisture immersion in the medium for much having adiabatic drying demand, therefore, accurately be detected to the moisture in medium
Be it is very necessary, be conducive in this way moisture it is real-time acquisition and analysis.However, inventor it has been investigated that, existing moisture
The reliability of detection sensor is lower.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of water content detection sensor and MOISTURE MEASUREMENT SYSTEM, the water content detection
Sensor hoist treats the reliability that detection substance carries out water content detection.
In a first aspect, the embodiment of the present invention provides a kind of water content detection sensor, comprising: processor, and with the place
First capacitor device, the second capacitor and the temperature sensor that reason device is separately connected；The first capacitor device and second capacitor
Device is different types of capacitor；
The first capacitor device is used to acquire the first capacitor value of substance to be detected, and the first capacitor value is sent to
The processor；
Second capacitor is used to acquire the second capacitance of the substance to be detected, and second capacitance is sent out
Give the processor；
The temperature sensor is used to acquire the temperature value of the substance to be detected, and the temperature value is sent to described
Processor；
The processor is for exporting water corresponding with the first capacitor value, second capacitance and the temperature value
Divide information；The moisture information includes the moisture state information of the substance to be detected and/or the moisture of the substance to be detected
Content information.
In alternative embodiments, the processor includes signal processing module, and with the signal processing module
The first signal acquisition module, second signal acquisition module, third signal acquisition module and the signal transmission module being separately connected；
First signal acquisition module is also connected with the first capacitor device, the second signal acquisition module also with
Second capacitor is connected, and the third signal acquisition module is also connected with the temperature sensor；
First signal acquisition module is for receiving the first capacitor value, and by the electric signal of the first capacitor value
It is sent to the signal processing module；
The second signal acquisition module is for receiving second capacitance, and by the electric signal of second capacitance
It is sent to the signal processing module；
The electric signal of the temperature value is sent to institute for receiving the temperature value by the third signal acquisition module
State signal processing module；
The signal processing module is used for the electric signal with the electric signal of the first capacitor value, second capacitance
The moisture information corresponding with the electric signal of the temperature value is sent to the signal transmission module；
The signal transmission module is for exporting the moisture information.
In alternative embodiments, the water content detection sensor further includes mechanical encapsulation structure；
The signal processing module, first signal acquisition module, the second signal acquisition module, third letter
Number acquisition module and the signal transmission module are set to the inside of the mechanical encapsulation structure；
The first capacitor device, second capacitor and the temperature sensor are embedded in the outer of the mechanical encapsulation structure
Surface.
In alternative embodiments, the water content detection sensor further includes connector of electrical appliance；
One end of the connector of electrical appliance is in the mechanical encapsulation inside configuration and connects the signal transmission module, institute
The other end for stating connector of electrical appliance is in the outside of the mechanical encapsulation structure, for connecting power supply line and signal transmssion line.
In alternative embodiments, the processor is the circuit board of curve flexibility circuit board or multilayered structure.
In alternative embodiments, the inner surface of the mechanical encapsulation structure is set as screw thread, keyway or ripple glaze, institute
The outer surface for stating mechanical encapsulation structure is provided with thread；
The internal interstices of the mechanical encapsulation structure are filled with casting glue, with the institute of the fixation mechanical encapsulation inside configuration
State the circuit board of multilayered structure.
In alternative embodiments, the first capacitor device is coaxial bicyclic hollow cylindrical structure, described first
One end of capacitor is embedded in the outer surface of the mechanical encapsulation structure；
Second capacitor and the temperature sensor are located in the hollow cylinder body of the first capacitor device.
In alternative embodiments, the other end of the first capacitor device is closed end, the hollow cylindrical structure
Side wall on be provided with oil guiding hole.
In alternative embodiments, the first capacitor device is plate capacitors, and second capacitor is wet sensitive electricity
Container.
Second aspect, the embodiment of the present invention provide a kind of MOISTURE MEASUREMENT SYSTEM, including substance storage equipment, and such as aforementioned
The described in any item water content detection sensors of embodiment；
The substance storage equipment is for storing the substance to be detected.
A kind of water content detection sensor provided in an embodiment of the present invention and MOISTURE MEASUREMENT SYSTEM, the water content detection sensor packet
It includes: processor, and the first capacitor device, the second capacitor and the temperature sensor that are separately connected with processor；First capacitor device
It is different types of capacitor with the second capacitor；First capacitor device is used to acquire the first capacitor value of substance to be detected, and will
First capacitor value is sent to processor；Second capacitor is used to acquire the second capacitance of substance to be detected, and by the second capacitor
Value is sent to processor；Temperature sensor is used to acquire the temperature value of substance to be detected, and temperature value is sent to processor；Place
Reason device is for exporting the moisture information (water including substance to be detected corresponding with first capacitor value, the second capacitance and temperature value
The moisture content information of isloation state information and/or substance to be detected).Above-mentioned water content detection sensor includes two different types
Capacitor and temperature sensor, acquire the capacitance of substance to be detected by two different types of capacitors, then pass through
Temperature sensor acquires the temperature value of substance to be detected, and the moisture letter of substance to be detected is then correspondingly exported by processor
Breath, comprehensive improve treat the reliability that detection substance carries out water content detection.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of water content detection sensor structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of water content detection sensor structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of water content detection sensor structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of water content detection sensor the structure left view provided in an embodiment of the present invention；
Fig. 5 is a kind of water content detection sensor structural schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of water content detection sensor the structure left view provided in an embodiment of the present invention；
Fig. 7 is a kind of MOISTURE MEASUREMENT SYSTEM structural schematic diagram provided in an embodiment of the present invention.
Icon: 1- processor；The first signal acquisition module of 11-；12- second signal acquisition module；13- third signal acquisition
Module；14- signal processing module；15- signal transmission module；21- first capacitor device；The second capacitor of 22-；23- temperature sensing
Device；3- mechanical encapsulation structure；4- connector of electrical appliance；5- oil guiding hole.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Inventor it has been investigated that, existing water content detection using mostly used greatly in equipment single capacitor to medium into
Row water content detection, can only detect whether medium contains moisture, and the reliability of testing result is lower.Based on this, the present invention is implemented
A kind of water content detection sensor and MOISTURE MEASUREMENT SYSTEM that example provides, the water content detection sensor include two different types of electricity
Container and temperature sensor acquire the capacitance of substance to be detected by two different types of capacitors, then pass through temperature
Sensor acquires the temperature value of substance to be detected, and the moisture information of substance to be detected is then exported by processor, improves pair
Substance to be detected carries out the reliability of water content detection.
For convenient for understanding the present embodiment, first to a kind of water content detection sensor disclosed in the embodiment of the present invention
It describes in detail.
Embodiment one:
The embodiment of the invention provides a kind of water content detection sensors, referring to water content detection sensor knot as shown in Figure 1
Structure schematic diagram, the water content detection sensor include: processor 1, and be separately connected with processor 1 first capacitor device 21,
Two capacitors 22 and temperature sensor 23；First capacitor device 21 and the second capacitor 22 are different types of capacitor.Show in Fig. 1
First capacitor device 21 out is bipolar plates capacitor, first capacitor device 21 or other kinds of capacitor.Processor 1 divides
It is not connect with first capacitor device 21, the second capacitor 22 and temperature sensor 23, to receive first capacitor device 21, the second capacitor
22 and temperature sensor 23 send collected signal, as shown in Figure 1, above-mentioned connection type can be first capacitor device 21,
Second capacitor 22 and temperature sensor 23 are embedded in the surface of processor 1, and logical by conducting wire component corresponding to processor 1
Letter connection.
First capacitor device 21 is used to acquire the first capacitor value of substance to be detected, and first capacitor value is sent to processor
1；Second capacitor 22 is used to acquire the second capacitance of substance to be detected, and the second capacitance is sent to processor 1；Temperature
Sensor 23 is used to acquire the temperature value of substance to be detected, and temperature value is sent to processor 1.Processor 1 for export with
First capacitor value, the second capacitance and the corresponding moisture information of temperature value；Moisture information includes the moisture state of substance to be detected
The moisture content information of information and/or substance to be detected.Processor 1 according to the first capacitor value of the substance to be detected detected,
Second capacitance and temperature value, export the moisture information of corresponding substance to be detected, which can be substance to be detected
Moisture state information and/or substance to be detected moisture content information, the moisture state information of substance to be detected refers to be checked
The moisture surveyed in substance, which is in dissolved state, emulsified state, free state either substance to be detected, has incorporated a large amount of bubbles
(i.e. bubble regime).Wherein, can store in processor 1 it is existing can be according to first capacitor value, the second capacitance and temperature
Angle value obtains moisture information algorithm, when first capacitor device 21, the second capacitor 22 and temperature sensor 23 are respectively by first capacitor
After value, the second capacitance and temperature value are sent to processor 1, processor 1 can be exported and above-mentioned first capacitor value, the second electricity
Capacitance and the corresponding moisture information data of temperature value.
Above-mentioned water content detection sensor provided in an embodiment of the present invention is acquired to be checked by two different types of capacitors
The capacitance of substance is surveyed, then acquires the temperature value of substance to be detected by temperature sensor, is then exported by processor to be checked
The moisture information for surveying substance improves and treats the reliability that detection substance carries out water content detection.
In order to make processor accurately and efficiently export the moisture information of substance to be detected, water content detection as shown in Figure 2 is passed
Sensor structural schematic diagram present embodiments provides the specific embodiment of the structure composition of processor:
As shown in Fig. 2, processor 1 includes signal processing module 14, and first be separately connected with signal processing module
Signal acquisition module 11, second signal acquisition module 12, third signal acquisition module 13 and signal transmission module 15.Wherein,
One signal acquisition module 11 is also connected with first capacitor device, and second signal acquisition module 12 is also connected with the second capacitor,
Third signal acquisition module 13 is also connected with temperature sensor.First signal acquisition module 11 is used to receive first capacitor value,
And the electric signal of first capacitor value is sent to signal processing module 14.Second signal acquisition module 12 is for receiving the second capacitor
Value, and the electric signal of the second capacitance is sent to signal processing module 14.Third signal acquisition module 13 is for receiving temperature
Value, and the electric signal of temperature value is sent to signal processing module 14.Signal processing module 14 be used for by with first capacitor value
The corresponding moisture information of the electric signal of electric signal, the electric signal of the second capacitance and temperature value is sent to signal transmission module 15.
Signal transmission module 15 is for exporting moisture information.Since first capacitor device 21, the second capacitor 22 and temperature sensor 23 are
The sensing element of physical change occurs with the moisture variation of substance to be detected, therefore, it is necessary to use the first signal acquisition mould
Block 11, second signal acquisition module 12, third signal acquisition module 13 acquire above-mentioned first capacitor device 21,22 and of the second capacitor
The physical change signal of temperature sensor 23, and above-mentioned physical change signal is changed into electric signal, and the electric signal is sent
To signal processing module 14, it is stored in signal processing module 14 and is calculated according to first capacitor value, the second capacitance and temperature value
The algorithm of moisture information is obtained, which can be the current existing intelligent algorithm that can be realized above-mentioned calculating, the people
Work intelligent algorithm can be neural network signal fused algorithm, roughness signal fused algorithm, fuzzy theory signal fused algorithm,
One of evidence theory signal fused algorithm, Bayesian network signal fused algorithm are a variety of.Signal processing module 14 will be counted
The moisture information of the substance to be detected calculated is sent to signal transmission module 15, makes signal transmission module 15 by above-mentioned moisture information
Numerical value output.
In order to improve the safety of water content detection sensor, water content detection sensor structural schematic diagram as shown in Figure 3, sheet
The water content detection sensor that embodiment provides further includes mechanical encapsulation structure 3.Signal processing module, the first signal acquisition module,
Second signal acquisition module, third signal acquisition module and signal transmission module are set to the inside of mechanical encapsulation structure 3.First
Capacitor 21, the second capacitor 22 and temperature sensor 23 are embedded in the outer surface of mechanical encapsulation structure 3.Mechanical encapsulation structure 3
Three-dimensional shape can customize according to actual needs, can be rectangular parallelepiped structure, cube structure or cylindrical structure, when machinery seals
When assembling structure is cylindrical structure, the left view of water content detection sensor is referring to water content detection sensor structure as shown in Figure 4
Left view.
In order to promote the property easy to use of above-mentioned water content detection sensor, as shown in figure 3, moisture provided in this embodiment is examined
Surveying sensor further includes connector of electrical appliance 4.One end of connector of electrical appliance 4 is in mechanical encapsulation inside configuration and connection signal transmission
Module 15, the other end of connector of electrical appliance 4 is in the outside of mechanical encapsulation structure 3, for connecting power supply line and signal transmssion line
(power supply line and signal transmssion line are that the curve of 4 right end of electrical appliance connector indicates in Fig. 3).Signal processing module 14 may be used also
With the moisture information that will be obtained according to first capacitor value, the second capacitance and temperature value, being modulated into can be with the signal of teletransmission, and leads to
It crosses signal transmission module 15 and is sent to connector of electrical appliance 4, connector of electrical appliance 4 can be coaxial cable plug, spininess primary and secondary air plug
Or RJ45 interface, connector of electrical appliance 4 can spread out of moisture information according to different joint categories with different electrical signal forms,
Such as it can be current signal, voltage pulse signal, CAN bus signal, 232 bus signals, 485 bus signals, the general string of USB
Row bus or Ethernet protocol signal etc..
In order to keep the volume of above-mentioned water content detection sensor small as far as possible, referring to a kind of water content detection as shown in Figure 5
Sensor structure schematic diagram (be shown in Fig. 5 processor be Multi-layer circuit board structure when structural schematic diagram), the present embodiment
Processor 1 in the water content detection sensor of offer is the circuit board of curve flexibility circuit board or multilayered structure, when processor 1 is
When Multi-layer circuit board structure, processor 1 further includes contact pin, and contact pin is used to be fixedly connected the circuit board of multilayered structure.In a kind of reality
It applies in mode, above-mentioned processor 1 is curve flexibility circuit board, and curve flexibility circuit board can be crimped to save space, adaline
The size of tool encapsulating structure 3.In another embodiment, as shown in figure 5, above-mentioned processor 1 is the circuit board of multilayered structure
The circuit board of structure, multilayered structure can use lamination, be connected between multi-layer stacks with contact pin, in the premise for reducing volume
The lower reliability for improving connection.
In order to promote the durability of above-mentioned water content detection sensor, the machinery of water content detection sensor provided in this embodiment
The inner surface of encapsulating structure is set as screw thread, keyway or ripple glaze and (shows the screw thread of the inner surface of mechanical encapsulation structure in Fig. 5
Inner wall), the outer surface of mechanical encapsulation structure is provided with thread.The internal interstices of mechanical encapsulation structure are filled with casting glue, with
The circuit board of multilayered structure inside solid mechanical encapsulating structure.It is mechanical since circuit board belongs to the component for being easier to damage
The screw thread of 3 inner surface of encapsulating structure can also enhance the mobility and encapsulating effect of casting glue, with preferably fixed multilayer circuit
Hardened structure keeps board structure of circuit stronger durable.
In order to protect the sensing element capacitor and temperature sensor of above-mentioned water content detection sensor, referring to as shown in Figure 5
Water content detection sensor structural schematic diagram, first capacitor device 21 provided in this embodiment is coaxial bicyclic hollow cylinder knot
Structure, one end of first capacitor device 21 are embedded in the outer surface of mechanical encapsulation structure.Wherein, the second capacitor 22 and temperature sensor 23
In the hollow cylinder body of first capacitor device 21.The other end of first capacitor device 21 is closed end, hollow cylindrical structure
Oil guiding hole 5 is provided on side wall, wherein oil guiding hole 5 is that (two holes i.e. on the side wall of hollow cylindrical structure are to communicate to through-hole
, it can be seen that the second capacitor and temperature sensor from two holes on the side wall of hollow cylindrical structure), it is to be detected
Substance enters from one of hole, flows out from another hole.In order to more intuitively react the water content detection sensor
Structure chart, referring to a kind of left view of water content detection sensor structure as shown in FIG. 6, first capacitor device 21 is inside and outside nested
The capacitor of bicyclic composition, the second capacitor 22 and temperature sensor 23 inside the annulus of twin nuclei, and by conducting wire or
Other communication link wiring connect the processor in mechanical encapsulation structure, can protect the second capacitor in hollow cylinder body in this way
22 and temperature sensor 23 not by the direct impact of substance to be detected, so as to preferably protect the second capacitor 22 and temperature
Sensor 23.Oil guiding hole on the hollow cylindrical structure of first capacitor device 21 can when detecting the moisture of substance to be detected,
Oil guiding hole 5 is that through-hole makes substance to be detected form homogeneous turbulence, improves detection accuracy.In practical applications, first capacitor device 21
The material of twin nuclei can be the conductive metals such as stainless steel, copper or aluminium, be also possible to nonmetallic materials, the non-metallic substrate
On plate or wrap up in attached conductive material.
In order to promote the detection accuracy of above-mentioned water content detection sensor, the first capacitor device 21 in the present embodiment is pole plate electricity
Container, the second capacitor 22 are humidity-sensitive capacitor.First capacitor device 21 shown in the accompanying drawings is all bipolar plates capacitor, with first
Capacitor is compared, and increases wet sensitive dielectric between 22 two-plate of the second capacitor, though substance to be detected moisture content compared with
When few, the more moisture of aggregation also can be absorbed, improve the water content detection precision for treating detection substance.
Above-mentioned water content detection sensor provided in an embodiment of the present invention, by using coaxial bicyclic hollow cylindrical structure
As first capacitor device, the second capacitor and temperature sensor are preferably protected, on first capacitor device hollow cylindrical structure
Through-hole so that substance to be detected is formed homogeneous turbulence, and use humidity-sensitive capacitor as the second capacitor, improve to be checked
Survey the water content detection precision of substance.
Embodiment two:
The embodiment of the invention provides a kind of MOISTURE MEASUREMENT SYSTEMs, show referring to MOISTURE MEASUREMENT SYSTEM structure as shown in Figure 7
It is intended to, which includes the water content detection sensor that substance storage equipment and above-described embodiment one provide.Substance
Storage equipment is for storing substance to be detected.
A kind of MOISTURE MEASUREMENT SYSTEM provided in an embodiment of the present invention increases substance on the basis of the above embodiment 1 and deposits
Equipment is put, substance to be detected is put into substance storage equipment, so that it may treat the water of detection substance with water content detection sensor
Point information is detected, and the rapidity and convenience for treating detection substance water content detection process are improved.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of water content detection sensor characterized by comprising processor, and be separately connected with the processor
One capacitor, the second capacitor and temperature sensor；The first capacitor device and second capacitor are different types of electricity
Container；
The first capacitor device is used to acquire the first capacitor value of substance to be detected, and the first capacitor value is sent to described
Processor；
Second capacitor is used to acquire the second capacitance of the substance to be detected, and second capacitance is sent to
The processor；
The temperature sensor is used to acquire the temperature value of the substance to be detected, and the temperature value is sent to the processing
Device；
The processor is for exporting moisture letter corresponding with the first capacitor value, second capacitance and the temperature value
Breath；The moisture information includes the moisture state information of the substance to be detected and/or the moisture content of the substance to be detected
Information.
2. water content detection sensor according to claim 1, which is characterized in that the processor includes signal processing mould
Block, and be separately connected with the signal processing module the first signal acquisition module, second signal acquisition module, third signal
Acquisition module and signal transmission module；
First signal acquisition module is also connected with the first capacitor device, the second signal acquisition module also with it is described
Second capacitor is connected, and the third signal acquisition module is also connected with the temperature sensor；
First signal acquisition module is sent for receiving the first capacitor value, and by the electric signal of the first capacitor value
To the signal processing module；
The second signal acquisition module is sent for receiving second capacitance, and by the electric signal of second capacitance
To the signal processing module；
The electric signal of the temperature value is sent to the letter for receiving the temperature value by the third signal acquisition module
Number processing module；
The signal processing module be used for by with the electric signal of the first capacitor value, the electric signal of second capacitance and institute
The corresponding moisture information of electric signal for stating temperature value is sent to the signal transmission module；
The signal transmission module is for exporting the moisture information.
3. water content detection sensor according to claim 2, which is characterized in that the water content detection sensor further includes machine
Tool encapsulating structure；
The signal processing module, first signal acquisition module, the second signal acquisition module, the third signal are adopted
Collection module and the signal transmission module are set to the inside of the mechanical encapsulation structure；
The first capacitor device, second capacitor and the temperature sensor are embedded in the appearance of the mechanical encapsulation structure
Face.
4. water content detection sensor according to claim 3, which is characterized in that the water content detection sensor further includes electricity
Device connector；
One end of the connector of electrical appliance is in the mechanical encapsulation inside configuration and connects the signal transmission module, the electricity
The other end of device connector is in the outside of the mechanical encapsulation structure, for connecting power supply line and signal transmssion line.
5. water content detection sensor according to claim 4, which is characterized in that the processor is curve flexibility circuit board
Or the circuit board of multilayered structure.
6. water content detection sensor according to claim 5, which is characterized in that the inner surface of the mechanical encapsulation structure is set
It is set to screw thread, keyway or ripple glaze, the outer surface of the mechanical encapsulation structure is provided with thread；
The internal interstices of the mechanical encapsulation structure are filled with casting glue, with the described more of the fixation mechanical encapsulation inside configuration
The circuit board of layer structure.
7. water content detection sensor according to claim 6, which is characterized in that the first capacitor device is coaxial bicyclic
Hollow cylindrical structure, one end of the first capacitor device are embedded in the outer surface of the mechanical encapsulation structure；
Second capacitor and the temperature sensor are located in the hollow cylinder body of the first capacitor device.
8. water content detection sensor according to claim 7, which is characterized in that the other end of the first capacitor device is envelope
Closed end is provided with oil guiding hole on the side wall of the hollow cylindrical structure.
9. water content detection sensor according to claim 1, which is characterized in that the first capacitor device is plates capacitance
Device, second capacitor are humidity-sensitive capacitor.
10. a kind of MOISTURE MEASUREMENT SYSTEM, which is characterized in that including substance storage equipment, and such as any one of claim 1 to 9
The water content detection sensor；
The substance storage equipment is for storing the substance to be detected.
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| CN201910723917.7A CN110261447A (en) | 2019-08-06 | 2019-08-06 | Water content detection sensor and MOISTURE MEASUREMENT SYSTEM |
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| CN201910723917.7A CN110261447A (en) | 2019-08-06 | 2019-08-06 | Water content detection sensor and MOISTURE MEASUREMENT SYSTEM |
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