CN108320438A - A kind of intelligent repository warning device - Google Patents

A kind of intelligent repository warning device Download PDF

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Publication number
CN108320438A
CN108320438A CN201711424630.1A CN201711424630A CN108320438A CN 108320438 A CN108320438 A CN 108320438A CN 201711424630 A CN201711424630 A CN 201711424630A CN 108320438 A CN108320438 A CN 108320438A
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China
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particle
module
nano
zro
warning device
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CN201711424630.1A
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Chinese (zh)
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程丹秋
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程丹秋
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Priority to CN201711424630.1A priority Critical patent/CN108320438A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines

Abstract

The present invention relates to a kind of intelligent repository warning device, which includes main control module, temperature sensing module, humidity sensor module, LED display module, gsm module;Main control module is connect with temperature sensing module, humidity sensor module, display module, gsm module respectively;The humidity sensor module is a kind of zirconium oxide moisture sensor based on metal ion mixing, the moisture sensor is thick-film type, use ceramic substrate for substrate, it is equipped with to insert on the ceramic substrate and refers to electrode, it inserts and refers to electrode equipped with sensitive thin film, the sensitive thin film thickness is 0.5mm, and the sensitive thin film is the ZrO doped with Ca, Ba, Ni2Film.

Description

A kind of intelligent repository warning device
Technical field
The present invention relates to intelligent repository technical field more particularly to a kind of intelligent repository warning devices.
Background technology
Moisture-proof, mould proof, anti-corrosion is the important content of warehouse routine work, it directly influences the use longevity of stockpile Life, matter of utmost importance are to reinforce the monitoring of temperature and humidity.The temperature and humidity that traditional method is time-consuming and laborious, tests are missed It is poor big.
Invention content
The present invention is intended to provide a kind of intelligent repository warning device, set forth above to solve the problems, such as.
Provide a kind of intelligent repository warning device in the embodiment of the present invention, the warning device include main control module, Temperature sensing module, humidity sensor module, LED display module, gsm module;Main control module respectively with temperature sensing module, wet Spend sensing module, display module, gsm module connection;The humidity sensor module is a kind of oxidation based on metal ion mixing Zirconium moisture sensor, the moisture sensor are thick-film type, use ceramic substrate for substrate, are equipped on the ceramic substrate and insert finger electricity Pole inserts and refers to electrode equipped with sensitive thin film, which is 0.5mm, and the sensitive thin film is doped with Ca, Ba, Ni ZrO2Film.
The technical solution that the embodiment of the present invention provides can include the following benefits:
Warning device of the invention is easy to use, measurement error is small, has higher practicability.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.It should be understood that above general description and following detailed description are only It is exemplary and explanatory, the present invention can not be limited.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present 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 the functional block diagram of intelligent repository warning device of the present invention;
Fig. 2 is the cross-sectional view of humidity sensor module of the present invention.
Specific implementation mode
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 and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
The embodiment of the present invention is related to a kind of intelligent repository warning device, and in conjunction with shown in Fig. 1, which includes master control Molding block 1, temperature sensing module 2, humidity sensor module 3, LED display module 4, gsm module 5.
Main control module 1 is connect with temperature sensing module 2, humidity sensor module 3, display module 4, gsm module 5 respectively. Temperature sensing module 2 is converted into digital quantity by the way that required temperature value can be obtained to the measurement of electric current, by A/D and send main control The processing of module 1, humidity sensor module 3 detect moisture signal in environment by moisture sensor, send moisture signal is amplified The processing of main control module 1, main control module 1 send data to the display of LED display module 4 again, when temperature humidity is higher than or low When user's setting value, corresponding monitor terminal (such as mobile phone, PC machine) will be sent to short message mode by gsm module, in time Stock clerk is notified to handle.
Preferably, the humidity sensor module 3 is a kind of zirconium oxide moisture sensor based on metal ion mixing.Fig. 2 For the cross-sectional view of moisture sensor of the present invention, which is thick-film type, use ceramic substrate 11 for Substrate is equipped on the ceramic substrate 11 and inserts finger electrode 12, inserts finger electrode 12 and is equipped with sensitive thin film 13, the sensitive thin film 13 is thick Degree is 0.5mm, and the sensitive thin film 13 is the ZrO doped with Ca, Ba, Ni2Film.Humidity refers to certain temperature, certain volume Air in containing steam number, be commonly used to indicate air degree of drying.Currently, moisture measurement and control and national economy It is closely related with the production and living of people, currently, in the fields extensive use such as industrial and agricultural production, daily life, meteorology, environmental protection, In the various equipment for measuring humidity, the humidity sensor of electronic type is due to it can be connected with modern scientist, display, recording device It is concerned.Development with Internet of Things in fields such as industry, environment measuring and intelligent residential districts, proposes sensor higher It is required that.Specific to humidity sensor, since nano material has the advantages that big specific surface area and electronics directional migration, increasingly More nano materials are used on humidity sensor.Currently, in the humidity sensor of resistance-type, humidity-sensitive material is related to making pottery The materials such as porcelain, semiconductor, organic polymer, ceramic material are conducive to the absorption and release of hydrone because of its porous structure, partly lead Body material can be divided into metal-oxide semiconductor (MOS) and elemental semiconductor.There is also sensitivity for moisture sensor based on above-mentioned substance Not high, the shortcomings of stability is bad.Zirconium oxide is a type oxide of zirconium, zirconium oxide with Cucumber is compound can be in different condition Under sensitivity characteristic is showed to electricity, sound, light, gas, temperature etc., compound zirconium oxide is widely used in gas sensor, temperature sensing The fields such as device, pressure sensor.Currently, the technical solution by nanometer zirconium oxide for moisture sensor is few.Zirconium oxide It is a kind of low acidic oxides, chemical property is more stable, all has enough stabilizations to aqueous slkali and many acid solutions Property, the zirconium oxide after calcining is stablized by it.ZrO2With other materials are compound can be at different conditions to electricity, sound, light, gas, temperature Sensitivity characteristic, therefore, compound ZrO is unfolded in degree and steam etc.2It is widely used in the fields such as electronic ceramics and function ceramics, it is main There are the sensing elements such as voltage component, filter, ultrasonic oscillator, buzzer and gas sensor, temperature sensor, still It is in terms of humidity sensor using less.Currently based on ZrO2The humidity sensor of film is developed, such as in ZrO2Wet sensitive 8mol%Y is mixed in tabletting2O3Make stabilizer, while printing three Pt electrodes on tabletting same plane, by ZrO2Wet sensitive tabletting Moisture sensor is formed after being calcined at 1500 DEG C.However, in the prior art, it is such as above-mentioned based on ZrO2The wet sensitive of film senses That there is sensitivity is relatively low for device, response resume speed is compared with the shortcomings of slow, stability is poor.
Preferably, 13 forming process of the sensitive thin film is:
By ZrO2Nano-particle and CaCO3Particle mixes, and forms sensitive material A;By ZrO2Nano-particle and BaCO3Particle Mixing forms sensitive material B;By ZrO2Nano-particle is mixed with NiO nano-particles, forms sensitive material C;
Sensitive material A, B, C obtained above are mixed, are placed in mortar, is then added dropwise and removes example water in right amount, grind 12h After form paste, which is placed in crucible, calcines 50min, 160min respectively at 470 DEG C, 950 DEG C successively, Then mixture after calcining is tuned into paste again, is inserted on the ceramic substrate for referring to electrode coated in carrying, after drying described in formation Sensitive thin film.
ZrO recited above2Nano-particle is the commercial ZrO of purchase2, specially monocline ZrO2, grain size 50nm.This hair It is creative in ZrO in bright technical solution2Doped with Ca, Ba, Ni in film, after calcining so that itself and each doped chemical Formed eutectic, change the micro-structure of material, achieve unexpected technique effect so that the moisture sensor it is sensitive Degree greatly improves, and shortens response recovery time.
Preferably, in sensitive material B, BaCO3Particle is ultrafine barium carbonate, grain size 200nm, the ZrO2Nanoparticle Son and BaCO3The mass ratio of particle is 7:2.Barium carbonate is a kind of important basic chemical raw materials, be currently widely used for building materials, The fields such as metallurgical, electronics and chemical industry;In electronics industry, barium carbonate to X-ray with stronger screening ability, in glass and Ceramic industry, barium carbonate can increase pouring property as roasting additive.In technical solution of the present invention, also by barium carbonate nanometer Particle is mixed with nano zircite is used as humidity-sensitive material, by calcining, forms eutectic, barium ions be capable of the replacement zirconium of part from Son produces the technique effect of unexpected increase sensitivity.
Preferably, in sensitive material C, NiO nano particle diameters are 20nm, the ZrO2Nano-particle with NiO nanometers The mass ratio of particle is 13:5.
Preferably, in sensitive material A, CaCO3Particle is calcium carbonate superfine powder, grain size 80nm, the ZrO2Nano-particle With CaCO3The mass ratio of particle is 4:3.
Currently, by nano-calcium carbonate and humidity-sensitive material, the technical solution that especially zirconia material combines is few, the present invention In, it is creative by nano-calcium carbonate and ZrO2Nano-particle mixes, and by calcining, forms eutectic, calcium ion being capable of part Replacement zirconium ion, produce the technique effect of unexpected increase sensitivity, meanwhile, the gas energy of nano-calcium carbonate release Enough so that sensitive thin film forms loose porous structure, be conducive to the contact area for increasing steam and sensitive thin film, and then increase The sensitivity of sensitive thin film.
It is Pt electrodes in the slotting finger electrode, Pt electrode line width is 0.12mm, and it is 0.15mm to refer to spacing, inserts and refers to electrode Thickness is 0.1~0.2mm.
Embodiment 1
The preparation process of the moisture sensor is:
Step 1, it cleans, 2h will be impregnated with the slotting ceramic substrate for referring to electrode ethyl alcohol, be then cleaned by ultrasonic 20min, then It spends example water to rinse several times, be dried for standby;
Step 2, sensitive material is coated:
By ZrO2Nano-particle and CaCO3Particle mixes, and forms sensitive material A;By ZrO2Nano-particle and BaCO3Particle Mixing forms sensitive material B;By ZrO2Nano-particle is mixed with NiO nano-particles, forms sensitive material C;It will be obtained above Sensitive material A, B, C mixing, is placed in mortar, is then added dropwise and removes example water in right amount, paste is formed after grinding 12h, by the paste Mixture is placed in crucible, calcines 50min, 160min respectively at 470 DEG C, 950 DEG C successively, then again by mixture after calcining It is secondary to be tuned into paste, it is coated in inserting on the ceramic substrate for referring to electrode, forms sensitive thin film;
Step 3, dry, aging:
The ceramic substrate for being coated with sensitive thin film is dried into 5h at 90 DEG C, after dry, under 100% relative humidity conditions, Alternating voltage 2V is carried, frequency for 24 hours, obtains the moisture sensor for aging under the conditions of 1kHz.
In the present embodiment,
The sensitive thin film thickness is 0.5mm;
In sensitive material A, CaCO3Particle is calcium carbonate superfine powder, grain size 80nm, the ZrO2Nano-particle and CaCO3 The mass ratio of particle is 4:3;
In sensitive material B, BaCO3Particle is ultrafine barium carbonate, grain size 200nm, the ZrO2Nano-particle with BaCO3The mass ratio of particle is 7:2;
In sensitive material C, NiO nano particle diameters are 20nm, the ZrO2The matter of nano-particle and NiO nano particles Amount is than being 13:5.
Embodiment 2
With reference to embodiment 1, the difference is that in the present embodiment, the sensitive thin film thickness is 0.9mm;
Embodiment 3
With reference to embodiment 1, the difference is that in the present embodiment, in sensitive material A, CaCO3Particle is ultra-fine carbonic acid Calcium, grain size 80nm, the ZrO2Nano-particle and CaCO3The mass ratio of particle is 4:1.
Then, moisture sensor of the present invention is measured in dew cell test system:Each embodiment is obtained The moisture sensor arrived, when sensitivity, response such as the following table 1 under identical measuring condition (25 DEG C, 20Hz), to obtain restore Between and stability data;Wherein, stability is the variable quantity of the sensitivity after duplicate measurements 1000 times under the same conditions (%).
The sensitivity characteristic for the moisture sensor that 1 each embodiment of table obtains
Sensitivity k Ω (%RH)-1 Response time s Recovery time s Stability %
Embodiment 1 3406 2 27 4
Embodiment 2 1083 32 269 7
Embodiment 3 674 15 236 9
From upper it can be seen that, by adjusting sensitive thin film thickness and doping ratio, the moisture sensor that is obtained in embodiment 1 There is advantage in terms of sensitivity, response recovery time, stability, achieve unexpected technique effect.
The foregoing is merely the preferred modes of the present invention, are not intended to limit the invention, all spirit and original in the present invention Within then, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of intelligent repository warning device, which includes main control module, temperature sensing module, humidity sensor mould Block, LED display module, gsm module;It is characterized in that, main control module respectively with temperature sensing module, humidity sensor module, Display module, gsm module connection;The humidity sensor module is a kind of zirconium oxide wet sensitive sensing based on metal ion mixing Device, the moisture sensor are thick-film type, use ceramic substrate for substrate, are equipped on the ceramic substrate and insert finger electrode, inserted and refer to electricity It is extremely equipped with sensitive thin film, which is 0.5mm, and the sensitive thin film is the ZrO doped with Ca, Ba, Ni2It is thin Film.
2. a kind of intelligent repository warning device according to claim 1, which is characterized in that the sensitive thin film forming process For:
By ZrO2Nano-particle and CaCO3Particle mixes, and forms sensitive material A;By ZrO2Nano-particle and BaCO3Particle mixes, Form sensitive material B;By ZrO2Nano-particle is mixed with NiO nano-particles, forms sensitive material C;
Sensitive material A, B, C obtained above are mixed, are placed in mortar, is then added dropwise and removes example water in right amount, grind shape after 12h At paste, which is placed in crucible, calcines 50min, 160min respectively at 470 DEG C, 950 DEG C successively, then Mixture after calcining is tuned into paste again, is coated in inserting on the ceramic substrate for referring to electrode, is formed after dry described quick Feel film.
3. a kind of intelligent repository warning device according to claim 2, which is characterized in that the ZrO2Nano particle diameter For 50nm.
4. a kind of intelligent repository warning device according to claim 2, which is characterized in that in sensitive material B, the ZrO2 Nano-particle and BaCO3The mass ratio of particle is 7:2.
5. a kind of intelligent repository warning device according to claim 4, which is characterized in that the BaCO3Particle is ultra-fine carbon Sour barium, grain size 200nm.
6. a kind of intelligent repository warning device according to claim 2, which is characterized in that in sensitive material C, the ZrO2 The mass ratio of nano-particle and NiO nano particles is 13:5.
7. a kind of intelligent repository warning device according to claim 6, which is characterized in that the NiO nano particle diameters For 20nm.
8. a kind of intelligent repository warning device according to claim 2, which is characterized in that in sensitive material A, the ZrO2 Nano-particle and CaCO3The mass ratio of particle is 4:3.
9. a kind of intelligent repository warning device according to claim 8, which is characterized in that the CaCO3Particle is ultra-fine carbon Sour calcium, grain size 80nm.
10. a kind of intelligent repository warning device according to claim 1, which is characterized in that the slotting finger electrode is Pt electricity Pole, Pt electrode line width are 0.12mm, and it is 0.15mm to refer to spacing, insert and refer to thickness of electrode as 0.1~0.2mm.
CN201711424630.1A 2017-12-25 2017-12-25 A kind of intelligent repository warning device Pending CN108320438A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136641A1 (en) * 2005-06-24 2006-12-28 Consejo Superior De Investigaciones Científicas Humidity sensor device based on iron oxide nanoparticles that are supported on sepiolite, production method thereof and applications of same
CN202511819U (en) * 2012-02-13 2012-10-31 李超 Wireless alarm device for repository temperature and humidity monitoring
CN203100778U (en) * 2013-01-07 2013-07-31 李超 Real-time monitoring and remote alarm device for drug storehouse environment
CN204177423U (en) * 2014-11-22 2015-02-25 杨凌职业技术学院 A kind of Temperature and Humidity and GSM intelligent alarm device
CN105528865A (en) * 2016-01-25 2016-04-27 詹朝润 Combustible gas detection alarm device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136641A1 (en) * 2005-06-24 2006-12-28 Consejo Superior De Investigaciones Científicas Humidity sensor device based on iron oxide nanoparticles that are supported on sepiolite, production method thereof and applications of same
CN202511819U (en) * 2012-02-13 2012-10-31 李超 Wireless alarm device for repository temperature and humidity monitoring
CN203100778U (en) * 2013-01-07 2013-07-31 李超 Real-time monitoring and remote alarm device for drug storehouse environment
CN204177423U (en) * 2014-11-22 2015-02-25 杨凌职业技术学院 A kind of Temperature and Humidity and GSM intelligent alarm device
CN105528865A (en) * 2016-01-25 2016-04-27 詹朝润 Combustible gas detection alarm device

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Application publication date: 20180724