CN109085781A - A kind of home environment detection device - Google Patents
A kind of home environment detection device Download PDFInfo
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- CN109085781A CN109085781A CN201810885741.0A CN201810885741A CN109085781A CN 109085781 A CN109085781 A CN 109085781A CN 201810885741 A CN201810885741 A CN 201810885741A CN 109085781 A CN109085781 A CN 109085781A
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims abstract description 10
- 239000011258 core-shell material Substances 0.000 claims abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 53
- 238000000498 ball milling Methods 0.000 claims description 30
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 16
- 238000004321 preservation Methods 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- OVFCVRIJCCDFNQ-UHFFFAOYSA-N carbonic acid;copper Chemical compound [Cu].OC(O)=O OVFCVRIJCCDFNQ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000009 copper(II) carbonate Inorganic materials 0.000 claims description 9
- 239000011646 cupric carbonate Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 229910005637 SnTi2 Inorganic materials 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- -1 polyoxyethylene octylphenol Polymers 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 4
- ZLWPAELISNYYGM-UHFFFAOYSA-N azanium;2-dodecylbenzenesulfonate Chemical compound [NH4+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O ZLWPAELISNYYGM-UHFFFAOYSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical class [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 4
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 230000001804 emulsifying effect Effects 0.000 claims description 4
- 229960004756 ethanol Drugs 0.000 claims description 4
- 239000008236 heating water Substances 0.000 claims description 4
- 239000003999 initiator Substances 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims 1
- 238000010907 mechanical stirring Methods 0.000 claims 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 14
- 230000008859 change Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000001027 hydrothermal synthesis Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2642—Domotique, domestic, home control, automation, smart house
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
This application involves a kind of home environment detection devices, including central processing unit, communication unit is connected on the central processing unit, environmental monitoring system and automatic control processing operation device, reception terminal is also connected on the communication unit, the environmental monitoring system includes carbon dioxide indicator, carbon monoxide detector, methane detector, oxygen content detector, dust content detector, smoke sensor device, humidity sensor, temperature sensor, leakage inspector and earth detector, the reception terminal includes household terminal and intelligent terminal, the automatic control processing operation device includes automatic device for cutting-off water, automatic spraying device and auto-power-off device；The temperature sensor is a kind of thermistor temperature sensor, including thermistor substrate, and the thermistor substrate is a kind of core-shell structure, NTC thermal sensitive ceramic material based on Ca-Cu-Sn-Ti-W-O, specifically, nuclear structure is CaWO4‑0.2CuWO4‑0.5SnTi2O6, shell structure TiO2。
Description
Technical field
This application involves domestic environment monitoring technical field more particularly to a kind of home environment detection devices.
Background technique
With the development of information technology, the quality and safety requirements of domestic environment is continuously improved in people.Currently, household ring
Although border monitoring device has a corresponding product, but its higher cost, have a single function, be routed complex and be not easy to and network
It is connected.People be badly in need of it is a kind of can content to the various substances for influencing indoor environment and discharge amount, indoor environment state parameter into
The device of row detection, while it being also able to achieve the detection to water, electricity, gas in domestic environment, while in the event of an accident can also be timely
Carry out operation of taking precautions against natural calamities, for the health of kinsfolk, property safety, take precautions against natural calamities and exempt from calamity etc. basic information and life guide are provided
Novel household environmental detection set.
Summary of the invention
The present invention is intended to provide a kind of home environment detection device, set forth above to solve the problems, such as.
A kind of home environment detection device, including central processing unit, the centre are provided in the embodiment of the present invention
It is connected with communication unit, environmental monitoring system on reason device and automatically controls processing operation device, is also connected on the communication unit
There is reception terminal, the environmental monitoring system includes carbon dioxide indicator, carbon monoxide detector, methane detector, oxygen
Content detector, dust content detector, smoke sensor device, humidity sensor, temperature sensor, leakage inspector and electric leakage
Detection device, the reception terminal include household terminal and intelligent terminal, and the automatic control processing operation device includes automatic
Stopper, automatic spraying device and auto-power-off device；The temperature sensor is a kind of thermistor temperature sensor, packet
Include thermistor substrate, the thermistor substrate is a kind of core-shell structure, NTC temperature-sensitive based on Ca-Cu-Sn-Ti-W-O
Ceramic material, specifically, nuclear structure is CaWO4-0.2CuWO4-0.5SnTi2O6, shell structure TiO2。
The technical solution that the embodiment of the present invention provides can include the following benefits:
1, this home environment detection device can be realized the detection to premises air quality；
2, this home environment detection device can be realized the detection to pernicious gas in premises air, and alarm immediately；
3, this home environment detection device can be realized to premises water, electricity, gas service condition and whether using it is abnormal into
Row real-time detection, monitoring, and processing of taking precautions against natural calamities is alarmed and carried out in time.
4, this home environment detection device can be realized the good measurement to temperature.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only
Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is a kind of home environment detection device structural schematic diagram of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
In conjunction with Fig. 1, embodiments herein is related to a kind of home environment detection device, including central processing unit 2, it is described in
It is connected with communication unit 3, environmental monitoring system 1 on central processor 2 and automatically controls processing operation device 5, the communication unit 3
On be also connected with receive terminal 4, the environmental monitoring system 1 include carbon dioxide indicator 10, carbon monoxide detector 11, first
Alkane detector 12, oxygen content detector 13, dust content detector 14, smoke sensor device 15, humidity sensor 16, temperature pass
Sensor 17, leakage inspector 18 and earth detector 19, the reception terminal 4 include household terminal 41 and intelligent terminal
42, the control for brake processing operation device 5 includes automatic device for cutting-off water 51, automatic spraying device 52 and auto-power-off device
53, the communication unit 3 includes Local network communication module 31 and telecommunication network communication module 32, the Local network communication module 31
It is connect with central processing unit 2 and household terminal 41, the telecommunication network communication module 32 is connect with intelligent terminal 42, the intelligence
It is also connected with warning device 1 in terminal 42, is also connected with warning device 2 311 in the Local network communication module 31.
A kind of novel household environmental detection set of technical solution of the present invention, when work, environmental monitoring system 1 is realized to house
The real-time monitoring of interior environment, and signal is delivered to central processing unit 2, central processing unit 2 transmits signal by communication unit 3
It to reception terminal 4, receives terminal 4 and carries out alarm or feedback signal to central processing unit 2, and certainly by the control of central processing unit 2
Dynamic control processing operation device 5 automatically controls processing operation device 5 according to signal type and controls automatic device for cutting-off water 51, automatic
Spray equipment 52 and auto-power-off device 53 are worked accordingly, are guaranteed the health of kinsfolk, property safety, are taken precautions against natural calamities
Exempt from calamity.
In order to realize that, to the better detection effect of temperature, heretofore described temperature sensor 17 is a kind of thermistor
Temperature sensor, including thermistor substrate, the thermistor substrate be a kind of core-shell structure, be based on Ca-Cu-Sn-Ti-
The NTC thermal sensitive ceramic material of W-O, specifically, nuclear structure is CaWO4-0.2CuWO4-0.5SnTi2O6, shell structure TiO2。
Temperature is a basic physical quantity, very universal to the measurement of temperature in actual life and production.Temperature sensing
Device refers to that it can experience temperature and temperature change is converted into the sensor of usable output signal.Temperature sensor is nowhere not
, wherein thermo-sensitive material is the core in temperature sensor, extremely sensitive to temperature change, applies more temperature-sensitive at present
Material includes PTC thermo-sensitive material and NTC thermo-sensitive material.NTC thermo-sensitive material is a kind of sensitive material of negative temperature coefficient, is had
The advantages that quick response, at low cost, small in size, high sensitivity, however, NTC thermistor material used at present is nearly all
By Mn3O4、Co3O4, the transition metal oxides such as NiO be dissolved the spinelle system ceramics material to be formed, be only suitable for 300 DEG C
Temperature measurement below, it is not applicable for high temperature measurement, also, using temperature sensor made of this kind of material, thickness is larger,
Limit its concrete application.At present in technical solution, the NTC thermistor material used is nearly all by Mn3O4、Co3O4、NiO
Equal transition metal oxides are dissolved the spinelle system ceramics material to be formed, and are only suitable for 300 DEG C of temperature measurements below, right
It is not applicable in high temperature measurement；The creative Ca-Cu-Sn-Ti-W-O system NTC heat using core-shell structure of the technical solution of the application
Sensitive ceramic material, shell structure are specially TiO2, electrical conductivity and resistivity-temperature characteristics with higher can be with internal nuclear structures
In conjunction with playing a role, the resistivity-temperature characteristics of thermistor substrate at high temperature are improved, unexpected technical effect has been obtained.This
Outside, by using core-shell structure thermal sensitive ceramic material, the thickness of thermistor substrate is effectively reduced, so that temperature sensing utensil
There is ultra-thin effect, expands application range.Specific to nuclear structure, the CaWO4-0.2CuWO4-SnTi2O6It is by CaCO3、CuCO3、
SnO2、TiO2、WO3Powder through ball milling mixing, pre-burning, again formed after ball milling, preferred 5-35 μm of partial size.Present techniques side
In case, nuclear structure creativeness improves the NTC effect of material by doping based on Ca-Cu-Sn-Ti-W-O series ceramic material
It answers, unexpected technical results have been achieved.Specific to shell structure, the TiO2It is prepared using hydro-thermal method.TiO2It is a kind of important
Semiconductor material, chemical property is more stable, TiO2Photocatalysis performance is normally behaved as, photocatalytic self-cleaning material is used for, or
Person as filler, colorant for using, by itself and CaWO in the application in the products such as papermaking, rubber4-0.2CuWO4-
SnTi2O6In conjunction with due to TiO2Dielectric constant it is larger, hence it is evident that the NTC effect for improving material achieves unexpected technology
Effect.
Further explanation is made to the present invention below with reference to embodiment.
Embodiment 1
Thermistor substrate is a kind of core-shell structure, NTC thermal sensitive ceramic material based on Ca-Cu-Sn-Ti-W-O, tool
Body, nuclear structure CaWO4-0.2CuWO4-0.5SnTi2O6, shell structure TiO2.The CaWO4-0.2CuWO4-SnTi2O6Be by
CaCO3、CuCO3、SnO2、TiO2、WO3Powder through ball milling mixing, pre-burning, again formed after ball milling, preferably 5 μm of partial size.
The TiO2It is prepared using hydro-thermal method.
It the following is the preparation step of herein described thermistor substrate:
Step 1, firstly, weighing CaCO according to stoichiometric ratio3、CuCO3、SnO2、TiO2、WO3Powder is with wet ball-milling
Powder is uniformly mixed and makes powder refining, and the mass ratio for controlling powder and zirconium ball is 1:3, and the mass ratio with deionized water is 1:2,
Ball-milling Time is 10h, and revolving speed is 350 revs/min, slurry obtained by ball milling is put into drying box, in 90 DEG C of drying 10h；
Powder after step 2, drying is in 1158 DEG C of pre-burning 3h；Then second of ball milling and drying are carried out again, method and the
It is primary identical；After second of ball milling, screening partial size is 5 μm, obtains powder A；
Deionized water, emulsifier dodecyl benzene sulfonic acid ammonium, polyoxyethylene octylphenol ether are added equipped with machinery step 3
Stirring, reflux condensing tube, nitrogen protection and thermometer reaction vessel in, heating water bath stirs to dissolve to obtain to 70 DEG C
Spare emulsification system；
The powder A of Silane coupling reagent KH-570 and upper step is added in styrene by step 4, and cream is added after ultrasonic 20min
Change system adds initiator ammonium persulfate and buffer NaHCO after emulsifying half an hour3, it is warming up to 87 DEG C and keeps the temperature 5h, then rises
Stop reaction after to 92 DEG C of heat preservation 1h, demulsification is washed repeatedly with hot water, is dried to obtain PS/ powder A；
Deionized water is added in step 5 in flask, and appropriate neopelex and polyvinylpyrrolidine is then added
Ketone, adjusting its pH value with hydrochloric acid is 2.7, then the mixed solution of butyl titanate and dehydrated alcohol is added while stirring, so
The ethanol solution of five water cobalt nitrates and cerous nitrate is added afterwards, continues to stir 1h, above-mentioned PS/ powder A is then added, uses ammonia
Water adjusts pH value, stands at 60 DEG C for 24 hours, is washed with distilled water and dehydrated alcohol, obtains TiO after dry2/ PS/ powder A, goes
Except PS, TiO is obtained in 600 DEG C of calcining 5h2/ powder A；
Step 6, by the above-mentioned TiO prepared2The PVA that 7wt.% is incorporated as in/powder A makees binder, presses in 180Mpa
Rectangle is pressed under power；
Step 7, sintering process: being warming up to 540 DEG C with the rate of 2 DEG C/min, in 540 DEG C of heat preservation 1h, with the speed of 3 DEG C/min
Rate is warming up to 630 DEG C, in 630 DEG C of heat preservation 3h, is warming up to 1340 DEG C with the rate of 5 DEG C/min, then cold in 1340 DEG C of heat preservation 4h
But to room temperature, the thermistor substrate is obtained.
High-temperature stability: the variation for the resistivity that thermistor substrate is kept the temperature at 500 DEG C before and after aging 200h, hair are tested
Now it is by 4.52 × 106Ω m changes to 4.69 × 106Ω m, change rate 3.7%, high-temperature stability is preferable.After measured,
The thermistor substrate that the application obtains is 2.84 × 10 in 25 DEG C of resistivity7Ω m, 800 DEG C of resistivity are 174 Ω
m；There is preferable NTC performance at high temperature.
Embodiment 2
Thermistor substrate is a kind of core-shell structure, NTC thermal sensitive ceramic material based on Ca-Cu-Sn-Ti-W-O, tool
Body, nuclear structure CaWO4-0.2CuWO4-0.5SnTi2O6, shell structure TiO2.The CaWO4-0.2CuWO4-SnTi2O6Be by
CaCO3、CuCO3、SnO2、TiO2、WO3Powder through ball milling mixing, pre-burning, again formed after ball milling, preferably 25 μm of partial size.
The TiO2It is prepared using hydro-thermal method.
It the following is the preparation step of herein described thermistor substrate:
Step 1, firstly, weighing CaCO according to stoichiometric ratio3、CuCO3、SnO2、TiO2、WO3Powder is with wet ball-milling
Powder is uniformly mixed and makes powder refining, and the mass ratio for controlling powder and zirconium ball is 1:3, and the mass ratio with deionized water is 1:2,
Ball-milling Time is 10h, and revolving speed is 350 revs/min, slurry obtained by ball milling is put into drying box, in 90 DEG C of drying 10h；
Powder after step 2, drying is in 1158 DEG C of pre-burning 3h；Then second of ball milling and drying are carried out again, method and the
It is primary identical；After second of ball milling, screening partial size is 25 μm, obtains powder A；
Deionized water, emulsifier dodecyl benzene sulfonic acid ammonium, polyoxyethylene octylphenol ether are added equipped with machinery step 3
Stirring, reflux condensing tube, nitrogen protection and thermometer reaction vessel in, heating water bath stirs to dissolve to obtain to 70 DEG C
Spare emulsification system；
The powder A of Silane coupling reagent KH-570 and upper step is added in styrene by step 4, and cream is added after ultrasonic 20min
Change system adds initiator ammonium persulfate and buffer NaHCO after emulsifying half an hour3, it is warming up to 87 DEG C and keeps the temperature 5h, then rises
Stop reaction after to 92 DEG C of heat preservation 1h, demulsification is washed repeatedly with hot water, is dried to obtain PS/ powder A；
Deionized water is added in step 5 in flask, and appropriate neopelex and polyvinylpyrrolidine is then added
Ketone, adjusting its pH value with hydrochloric acid is 2.7, then the mixed solution of butyl titanate and dehydrated alcohol is added while stirring, so
The ethanol solution of five water cobalt nitrates and cerous nitrate is added afterwards, continues to stir 1h, above-mentioned PS/ powder A is then added, uses ammonia
Water adjusts pH value, stands at 60 DEG C for 24 hours, is washed with distilled water and dehydrated alcohol, obtains TiO after dry2/ PS/ powder A, goes
Except PS, TiO is obtained in 600 DEG C of calcining 5h2/ powder A；
Step 6, by the above-mentioned TiO prepared2The PVA that 7wt.% is incorporated as in/powder A makees binder, presses in 180Mpa
Rectangle is pressed under power；
Step 7, sintering process: being warming up to 540 DEG C with the rate of 2 DEG C/min, in 540 DEG C of heat preservation 1h, with the speed of 3 DEG C/min
Rate is warming up to 630 DEG C, in 630 DEG C of heat preservation 3h, is warming up to 1340 DEG C with the rate of 5 DEG C/min, then cold in 1340 DEG C of heat preservation 4h
But to room temperature, the thermistor substrate is obtained.
High-temperature stability: the variation for the resistivity that thermistor substrate is kept the temperature at 500 DEG C before and after aging 200h, hair are tested
Its existing change rate is 3.5%, and high-temperature stability is preferable.After measured, resistance of the thermistor substrate that the application obtains at 25 DEG C
Rate is 2.34 × 107Ω m, 800 DEG C of resistivity are 174 Ω m；There is preferable NTC performance at high temperature.
Embodiment 3
Thermistor substrate is a kind of core-shell structure, NTC thermal sensitive ceramic material based on Ca-Cu-Sn-Ti-W-O, tool
Body, nuclear structure CaWO4-0.2CuWO4-0.5SnTi2O6, shell structure TiO2.The CaWO4-0.2CuWO4-SnTi2O6Be by
CaCO3、CuCO3、SnO2、TiO2、WO3Powder through ball milling mixing, pre-burning, again formed after ball milling, preferably 35 μm of partial size.
The TiO2It is prepared using hydro-thermal method.
It the following is the preparation step of herein described thermistor substrate:
Step 1, firstly, weighing CaCO according to stoichiometric ratio3、CuCO3、SnO2、TiO2、WO3Powder is with wet ball-milling
Powder is uniformly mixed and makes powder refining, and the mass ratio for controlling powder and zirconium ball is 1:3, and the mass ratio with deionized water is 1:2,
Ball-milling Time is 10h, and revolving speed is 350 revs/min, slurry obtained by ball milling is put into drying box, in 90 DEG C of drying 10h；
Powder after step 2, drying is in 1158 DEG C of pre-burning 3h；Then second of ball milling and drying are carried out again, method and the
It is primary identical；After second of ball milling, screening partial size is 35 μm, obtains powder A；
Deionized water, emulsifier dodecyl benzene sulfonic acid ammonium, polyoxyethylene octylphenol ether are added equipped with machinery step 3
Stirring, reflux condensing tube, nitrogen protection and thermometer reaction vessel in, heating water bath stirs to dissolve to obtain to 70 DEG C
Spare emulsification system；
The powder A of Silane coupling reagent KH-570 and upper step is added in styrene by step 4, and cream is added after ultrasonic 20min
Change system adds initiator ammonium persulfate and buffer NaHCO after emulsifying half an hour3, it is warming up to 87 DEG C and keeps the temperature 5h, then rises
Stop reaction after to 92 DEG C of heat preservation 1h, demulsification is washed repeatedly with hot water, is dried to obtain PS/ powder A；
Deionized water is added in step 5 in flask, and appropriate neopelex and polyvinylpyrrolidine is then added
Ketone, adjusting its pH value with hydrochloric acid is 2.7, then the mixed solution of butyl titanate and dehydrated alcohol is added while stirring, so
The ethanol solution of five water cobalt nitrates and cerous nitrate is added afterwards, continues to stir 1h, above-mentioned PS/ powder A is then added, uses ammonia
Water adjusts pH value, stands at 60 DEG C for 24 hours, is washed with distilled water and dehydrated alcohol, obtains TiO after dry2/ PS/ powder A, goes
Except PS, TiO is obtained in 600 DEG C of calcining 5h2/ powder A；
Step 6, by the above-mentioned TiO prepared2The PVA that 7wt.% is incorporated as in/powder A makees binder, presses in 180Mpa
Rectangle is pressed under power；
Step 7, sintering process: being warming up to 540 DEG C with the rate of 2 DEG C/min, in 540 DEG C of heat preservation 1h, with the speed of 3 DEG C/min
Rate is warming up to 630 DEG C, in 630 DEG C of heat preservation 3h, is warming up to 1340 DEG C with the rate of 5 DEG C/min, then cold in 1340 DEG C of heat preservation 4h
But to room temperature, the thermistor substrate is obtained.
High-temperature stability: the variation for the resistivity that thermistor substrate is kept the temperature at 500 DEG C before and after aging 200h, hair are tested
Its existing change rate is 3.3%, and high-temperature stability is preferable.After measured, resistance of the thermistor substrate that the application obtains at 25 DEG C
Rate is 2.82 × 107Ω m, 800 DEG C of resistivity are 174 Ω m；There is preferable NTC performance at high temperature.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of home environment detection device, including central processing unit, communication unit, environment are connected on the central processing unit
Monitoring system and processing operation device is automatically controlled, is also connected with reception terminal on the communication unit, which is characterized in that described
Environmental monitoring system includes carbon dioxide indicator, carbon monoxide detector, methane detector, oxygen content detector, dust
Content detector, smoke sensor device, humidity sensor, temperature sensor, leakage inspector and earth detector, it is described to connect
Receiving terminal includes household terminal and intelligent terminal, and the automatic control processing operation device includes automatic device for cutting-off water, automatic spray
Shower device and auto-power-off device；The temperature sensor is a kind of thermistor temperature sensor, including thermistor substrate,
The thermistor substrate is a kind of core-shell structure, NTC thermal sensitive ceramic material based on Ca-Cu-Sn-Ti-W-O, specifically,
Nuclear structure is CaWO4-0.2CuWO4-0.5SnTi2O6, shell structure TiO2。
2. a kind of home environment detection device according to claim 1, which is characterized in that the communication unit includes local
Net communication module and telecommunication network communication module.
3. a kind of home environment detection device according to claim 2, which is characterized in that the Local network communication module with
Central processing unit is connected with household terminal.
4. a kind of home environment detection device according to claim 2, which is characterized in that the telecommunication network communication module
It is connect with intelligent terminal.
5. a kind of home environment detection device according to claim 4, which is characterized in that be also connected on the intelligent terminal
There is warning device one, is also connected with warning device two in the Local network communication module.
6. a kind of home environment detection device according to claim 1, which is characterized in that the nuclear structure CaWO4-
0.2CuWO4-SnTi2O6It is by CaCO3、CuCO3、SnO2、TiO2、WO3Powder through ball milling mixing, pre-burning, again formed after ball milling,
Preferred 5-35 μm of its partial size.
7. a kind of home environment detection device according to claim 6, which is characterized in that the system of the thermistor substrate
Standby step:
Step 1 weighs CaCO according to stoichiometric ratio3、CuCO3、SnO2、TiO2、WO3Powder is powder mixing with wet ball-milling
Uniformly and make powder refining, the mass ratio for controlling powder and zirconium ball is 1:3, and the mass ratio with deionized water is 1:2, Ball-milling Time
For 10h, revolving speed is 350 revs/min, slurry obtained by ball milling is put into drying box, in 90 DEG C of drying 10h；
Powder after step 2, drying is in 1158 DEG C of pre-burning 3h；Then second of ball milling and drying, method and first time are carried out again
It is identical；After second of ball milling, screening partial size is 5-35 μm, obtains powder A；
Step 3, by deionized water, emulsifier dodecyl benzene sulfonic acid ammonium, polyoxyethylene octylphenol ether be added equipped with mechanical stirring,
In the reaction vessel of reflux condensing tube, nitrogen protection and thermometer, heating water bath stirs to dissolve to obtain spare to 70 DEG C
Emulsification system；
The powder A of Silane coupling reagent KH-570 and upper step is added in styrene by step 4, and emulsified body is added after ultrasonic 20min
System adds initiator ammonium persulfate and buffer NaHCO after emulsifying half an hour3, it is warming up to 87 DEG C and keeps the temperature 5h, then rises to 92
DEG C heat preservation 1h after stop reaction, demulsification, washed repeatedly with hot water, be dried to obtain PS/ powder A；
Deionized water is added in step 5 in flask, and appropriate neopelex and polyvinylpyrrolidone is then added,
With hydrochloric acid adjust its pH value be 2.7, then while stirring by the mixed solution of butyl titanate and dehydrated alcohol be added, then plus
The ethanol solution for entering five water cobalt nitrates and cerous nitrate continues to stir 1h, above-mentioned PS/ powder A is then added, with ammonium hydroxide tune
PH value is saved, stands at 60 DEG C for 24 hours, is washed with distilled water and dehydrated alcohol, obtains TiO after dry2/ PS/ powder A removes PS,
TiO is obtained in 600 DEG C of calcining 5h2/ powder A；
Step 6, by the above-mentioned TiO prepared2The PVA that 7wt.% is incorporated as in/powder A makees binder, pushes in 180Mpa pressure
Rectangle is made；
Step 7, sintering, obtain the thermistor substrate.
8. a kind of home environment detection device according to claim 7, which is characterized in that in step 7, the sintering is specific
Are as follows: 540 DEG C are warming up to the rate of 2 DEG C/min, in 540 DEG C of heat preservation 1h, 630 DEG C are warming up to the rate of 3 DEG C/min, 630
DEG C heat preservation 3h, be warming up to 1340 DEG C with the rate of 5 DEG C/min, in 1340 DEG C of heat preservation 4h, then cool to room temperature, obtain the heat
Quick resistance substrate.
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| CN111664922A (en) * | 2020-06-16 | 2020-09-15 | 肇庆市汇嘉纸品包装有限公司 | Carton and paperboard quality detection system |
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