CN205643196U - Adverse circumstances chemistry parameter extraction element - Google Patents
Adverse circumstances chemistry parameter extraction element Download PDFInfo
- Publication number
- CN205643196U CN205643196U CN201620340652.4U CN201620340652U CN205643196U CN 205643196 U CN205643196 U CN 205643196U CN 201620340652 U CN201620340652 U CN 201620340652U CN 205643196 U CN205643196 U CN 205643196U
- Authority
- CN
- China
- Prior art keywords
- signal
- microwave
- adverse circumstances
- radio frequency
- chemical parameters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an adverse circumstances chemistry parameter extraction element, the device has radio frequency or microwave microstrip antenna structure including being in the chemical parameter sensing unit under the adverse circumstances for be radio frequency or microwave signal resonant frequency with the chemical parameter transform in the adverse circumstances, be in the signal reading unit in the ordinary environment, including emit antenna, signal amplification circuit, monitoring circuit, record storage circuit with one add electric port, have radio frequency or microwave source for transmission wide band radio frequency or microwave signal read wide band or microwave signal, the signal reading unit reads the signal that is in the chemical parameter sensing unit in the adverse circumstances through microwave wireless communication. The utility model discloses LC resonant mode wireless and passive chemical sensor has thoroughly been abandoned because of short, the high temperature no signal problem of the low transmission distance who leads to of figure of merit Q, the effectual chemical parameter sensing that realizes high temperature of ability.
Description
Technical field
This utility model relates to high temp sensitive field, relates to radio frequency, microwave high-temperature Environmental Chemistry parametrical sense device
Part, is specifically related to a kind of adverse circumstances chemical parameters extraction element.
Background technology
Hot environment measuring technology is monitoring, detect and safeguard engine system, nuclear power heap, deep-sea are recovered the oil flat
Platform and work process thereof in the urgent need to information technology and one of monitoring capacity.Electromotor is burning high energy combustion
Expect and be converted into the device of operation power, engine internal fuel burning behavior tight association power-equipment work
Make ability, time and efficiency.In real time, in accurate acquisition electromotor, chemical parameters is to realize system status monitoring
With one of basis for forecasting, also it is to improve fuel economy and the inevitable premise of research combustion mechanism.But,
Extreme temperatures during engine interior work, typically more than 500 DEG C, some occasion is even as high as 2000 DEG C
.Therefore, corresponding resistant to elevated temperatures chemical parameters is provided to extract dress in the urgent need to instrument with measuring technology industry
Put.
In hot environment, existing active device based on electronic signal cannot work.The quasiconductors such as silicon are in temperature
Losing efficacy when degree is more than 400 DEG C, even device itself is the most oxidized, burn and lost efficacy；
Digital independent end and sense parameters end connecting line at high temperature performance degradation simultaneously, therefore the transmission of its signal becomes
One of key issue for pyrostat work.Additionally under hot environment, power supply heat-resisting ability, power supply be more
Changing and safeguard will be a task the most difficult.Therefore in the adverse circumstances such as high temperature, many employings are wireless at present
Passive sensing technology.At present wireless and passive sensing technology in the physical parameter of adverse circumstances (such as temperature and pressure
Power) detection aspect has more research, as used wireless and passive based on the coupling of LC resonance mutual inductance high temperature resistant
Sensor detection pressure, it was reported that there is ability to work (Zhang H, the Hong Y, Liang of 800 DEG C
T, Zhang H, Tan Q, Xue C, Liu J, Zhang W, Xiong J.Phase Interrogation
Used for a Wire less Passive Pressure Sensor in an 800℃
High-Temperature Environment.Sensors, 2015,15 (2): 2548-2564.)；And
The wireless and passive temperature sensor theoretical based on microwave scattering has had the achievement in research of 1050 DEG C to report
(Cheng H, Ebadi S, Ren X, Gong X.Wireless passive high-temperature
sensor based on multifunctional reflective patch antenna up to 1050
Degrees centigrade.Sensors and Actuators A:Physical, 2015,222:
204-211.), wireless and passive physical parameter sensor-based system based on surface acoustic wave is also had to report.Join at chemistry
Amount sensing aspect, has researcher to develop the high temperature resistant chemical sensor of wireless and passive based on LC resonance,
But LC resonance type wireless passive sensor quality factor q is low, it exists, and transmission range is short, high temperature no signal
Problem, it is impossible to realize the chemical parameters sensing under high temperature, therefore the utility model proposes adverse circumstances chemistry ginseng
Amount extraction element.
Utility model content
The purpose of this utility model is to provide a kind of adverse circumstances chemical parameters extraction element, to avoid LC
Resonance type wireless passive sensor quality factor q is low, transmission range is short, high temperature no signal problem.
For achieving the above object, the technical scheme that this utility model is taked is:
Adverse circumstances chemical parameters extraction element, including
Place's chemical parameters sensing unit in the presence of a harsh environment, has radio frequency or microwave microstrip antenna structure,
For the chemical parameters in adverse circumstances being converted to radio frequency or microwave signal resonant frequency；
The signal-obtaining unit being in conventional environment, including launching antenna, signal amplification circuit, observing and controlling electricity
Road, record storage circuit and power up port, have radio frequency or microwave source, be used for launching wide frequency RF or
Person's microwave signal, reads wideband or microwave signal；
It is quick that described signal-obtaining unit reads, by microwave wireless communication, the chemical parameters being in adverse circumstances
The signal of sense unit；
Described adverse circumstances are the hot environment that temperature is more than more than 150 DEG C；I.e. we give birth to described conventional environment
The normal temperature and pressure environment lived；Described chemical parameters includes the combustion tail gas compound such as carbon dioxide, nitrogen oxides
Type and concentration.
As preferably, described radio frequency or microwave microstrip antenna structure include the high electricity being sequentially connected with from the bottom up
Lead foil, high dielectric constant layer, sensitive layer and patch layer.
As preferably, described sensitive layer uses metal-oxide or the mixture of metal-oxide, or gold
Belong to oxide and the mixture of nonmetal oxide material.
As preferably, described patch layer uses metal material.
This utility model has the advantages that
Thoroughly abandoned transmission that the passive chemical sensor of LC resonance type wireless causes because quality factor q is low away from
From short, high temperature no signal problem, can effectively realize the chemical parameters sensing of high temperature.
Accompanying drawing explanation
The fundamental diagram of Fig. 1 this utility model embodiment adverse circumstances chemical parameters extraction element.
Fig. 2 is the structural representation of this utility model embodiment adverse circumstances chemical parameters extraction element.
Fig. 3 is radio frequency or the structural representation of microwave microstrip antenna structure in this utility model embodiment.
In figure, microstrip antenna structure, 12-radio frequency or microwave source in 11-adverse circumstances, 13-frequency mixer,
14-signal amplification circuit, 15-signal change/process circuit, 16-signal storage circuit, 17-oscillography circuit,
18-electric bridge, 111-patch layer, 112-sensitive layer, 113-high dielectric constant layer, 114-height conductance metal foil
Sheet, 22-are that signal transmission unit, 23-power up port, 24-signal amplification circuit, 25-telemetry circuit, 26-
Record storage circuit.
Detailed description of the invention
In order to make the purpose of this utility model and advantage clearer, below in conjunction with embodiment to this practicality
Novel it is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As Figure 1-Figure 2, this utility model embodiment provides a kind of adverse circumstances chemical parameters extraction
Device, including
Place's chemical parameters sensing unit in the presence of a harsh environment, has radio frequency or microwave microstrip antenna structure
11, for the chemical parameters in adverse circumstances being converted to radio frequency or microwave signal resonant frequency；Such as figure
Described in 3, described radio frequency or microwave microstrip antenna structure 11 are constituted by 4 layers: underlying layers is high conductance
Foil 114, referred to as ground strip；Ground strip is high dielectric constant layer 113, referred to as substrate,
Substrate is in the middle of ground strip and sensitive layer；With one layer of sensitive layer 112 in substrate, join for sensitive chemical
Amount, sensitive layer 112 is in the middle of substrate and patch layer；Topmost the upper strata of layer i.e. sensitive layer is patch layer
111, metal material.Described sensitive layer 112 is the mixture of metal-oxide or metal-oxide, or
Person's metal-oxide and the mixture of nonmetal oxide material.
The signal-obtaining unit being in conventional environment, including transmit/receive antenna, signal amplification circuit 24,
Telemetry circuit 25, record storage circuit 26 and power up port 23, have radio frequency or microwave source, are used for
Launch wide frequency RF or microwave signal, read wideband or microwave signal；
It is quick that described signal-obtaining unit reads, by microwave wireless communication, the chemical parameters being in adverse circumstances
The signal of sense unit；
Described adverse circumstances are the hot environment that temperature is more than more than 150 DEG C；I.e. we give birth to described conventional environment
The normal temperature and pressure environment lived；Described chemical parameters includes the combustion tail gas compound such as carbon dioxide, nitrogen oxides
Type and concentration.
Originally the operation principle being embodied as is: signal launched by radio frequency or the microwave source 12 of signal-obtaining unit,
The microstrip antenna structure 11 being transferred in adverse circumstances via transmit/receive antenna, microstrip antenna structure 11
Inevitable reflected signal, reflected signal receives via transmit/receive antenna and enters frequency mixer 13, same to signal-obtaining
The radio frequency of unit or the transmitting signal of microwave source 12 are also into frequency mixer 13, and the most together entering signal is amplified
Circuit unit 14, changes/processes circuit 15 subsequently into signal, obtains the microstrip antenna knot under adverse circumstances
The echo-signal of structure 11, wherein microstrip antenna structure 11 is when different chemical parameter, chemical sensitive layer and change
Learn parameter can react to each other, cause dielectric constant and conductance to change, thus cause whole sensitive single
The center operating frequency of unit changes, and then its reflection characteristic respective change, by detecting this change, then
The extraction of chemical parameters under adverse circumstances can be completed by the mapping relations of physical parameter Yu reflection characteristic.Its
In, oscillography circuit is connected with signal conversion/processing module by data line, and electric bridge passes through microwave transmission
Line is connected with radio frequency or microwave source, and is connected with transmit/receive antenna by microwave transmission line.
The above is only preferred implementation of the present utility model, it is noted that for the art
For those of ordinary skill, on the premise of without departing from this utility model principle, it is also possible to make some improvement
And retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (3)
1. adverse circumstances chemical parameters extraction element, it is characterised in that include
Place's chemical parameters sensing unit in the presence of a harsh environment, has radio frequency or microwave microstrip antenna structure, for the chemical parameters in adverse circumstances is converted to radio frequency or microwave signal resonant frequency；
The signal-obtaining unit being in conventional environment, port is powered up including transmitting antenna, signal amplification circuit, telemetry circuit, record storage circuit and, there is radio frequency or microwave source, be used for launching wide frequency RF or microwave signal, read wideband or microwave signal；
Described signal-obtaining unit reads the signal of the chemical parameters sensing unit being in adverse circumstances by microwave wireless communication；
Described adverse circumstances are the hot environment that temperature is more than more than 150 DEG C；The described conventional environment i.e. normal temperature and pressure environment of our life；Described chemical parameters is combustion tail gas type of compounds and concentration.
Adverse circumstances chemical parameters extraction element the most according to claim 1, it is characterised in that described radio frequency or microwave microstrip antenna structure include high conductance foil, high dielectric constant layer, sensitive layer and the patch layer being sequentially connected with from the bottom up.
Adverse circumstances chemical parameters extraction element the most according to claim 1, it is characterised in that described patch layer uses metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340652.4U CN205643196U (en) | 2016-04-22 | 2016-04-22 | Adverse circumstances chemistry parameter extraction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340652.4U CN205643196U (en) | 2016-04-22 | 2016-04-22 | Adverse circumstances chemistry parameter extraction element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643196U true CN205643196U (en) | 2016-10-12 |
Family
ID=57061861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620340652.4U Expired - Fee Related CN205643196U (en) | 2016-04-22 | 2016-04-22 | Adverse circumstances chemistry parameter extraction element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205643196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784725A (en) * | 2016-04-22 | 2016-07-20 | 中北大学 | Device and method for extracting chemical parameters in harsh environment |
| CN115114737A (en) * | 2022-08-29 | 2022-09-27 | 玛斯特轻量化科技(天津)有限公司 | Method and device for recommending vehicle body material connection process |
-
2016
- 2016-04-22 CN CN201620340652.4U patent/CN205643196U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784725A (en) * | 2016-04-22 | 2016-07-20 | 中北大学 | Device and method for extracting chemical parameters in harsh environment |
| CN115114737A (en) * | 2022-08-29 | 2022-09-27 | 玛斯特轻量化科技(天津)有限公司 | Method and device for recommending vehicle body material connection process |
| CN115114737B (en) * | 2022-08-29 | 2023-01-17 | 玛斯特轻量化科技(天津)有限公司 | Method and device for recommending vehicle body material connection process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205643196U (en) | Adverse circumstances chemistry parameter extraction element | |
| Gao et al. | Printed humidity sensor with memory functionality for passive RFID tags | |
| US10481009B2 (en) | Temperature probe and temperature measuring device | |
| US20120182147A1 (en) | Sensing properties of a material loading a UHF RFID tag by analysis of the complex reflection backscatter at different frequencies and power levels | |
| CN102403981B (en) | Resonance type surface acoustic wave passive wireless array sensing system and method thereof | |
| CN202991139U (en) | Tunnel construction safety pre-warning management system | |
| CN104614403A (en) | Sensor, forming method of sensor, and method for defecting gas | |
| CN103575422A (en) | Temperature measurement method based on trivalent rare earth ferrous oxides as temperature sensing materials | |
| Abdulkawi et al. | Chipless RFID sensors based on multistate coupled line resonators | |
| CN105784725A (en) | Device and method for extracting chemical parameters in harsh environment | |
| CN104198060A (en) | High temperature-resistant wireless MEMS temperature sensing system | |
| CN203606038U (en) | Surface-acoustic-wave temperature-sensing responder | |
| Kumar et al. | Wireless monitoring of volatile organic compounds/water vapor/gas pressure/temperature using RF transceiver | |
| Li et al. | A Multimodal Ratiometric Luminescent Thermometer Based on a Single-Dysprosium Metal–Organic Framework | |
| Xuan et al. | Bulk acoustic wave resonator based wireless and passive pressure sensor | |
| CN203432678U (en) | Acoustic surface wave sensor for resisting same frequency interference | |
| Jiang et al. | Capacitively-coupled dual ring antennas for bolt loosening detection | |
| CN100573612C (en) | The sensor node that is used for railway frozen earth roadbed safety monitoring | |
| CN106979830A (en) | Chipless RFID temperature threshold sensor, production method and temperature alarming device | |
| CN107271028A (en) | A kind of hyperthermal environments passive wireless acoustic surface wave sensor-based system transponder | |
| CN103398773A (en) | Same-frequency-interference-resistant surface acoustic wave sensor | |
| CN203893964U (en) | Passive surface acoustic wave-based hand-held temperature receiving apparatus | |
| CN106485308A (en) | Printing radio frequency sensor structure and the method for preparing radio frequency identification sensor label | |
| CN205247597U (en) | Wired extraction element of adverse circumstances physical parameter | |
| CN105355024B (en) | The wired extracting method and device of adverse circumstances physical parameter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |