CN108133567A - A kind of application of amorphous state NdFeB alloys microballoon detection agent in harmful influence Internet of Things - Google Patents
A kind of application of amorphous state NdFeB alloys microballoon detection agent in harmful influence Internet of Things Download PDFInfo
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- CN108133567A CN108133567A CN201711176272.7A CN201711176272A CN108133567A CN 108133567 A CN108133567 A CN 108133567A CN 201711176272 A CN201711176272 A CN 201711176272A CN 108133567 A CN108133567 A CN 108133567A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The present invention relates to harmful influence Internet of Things field, disclose a kind of application of amorphous state NdFeB alloys microballoon detection agent in harmful influence Internet of Things.The implementation steps of the application are that the detection agent of amorphous state NdFeB alloys microballoon is dispersed in inside harmful influence; magnetic sensor is used in harmful influence thing network sensing layer; magnetic signal is converted into electric signal; harmful influence Internet of Things network layer receives electrical signal data and identifying processing; detection agent information is sent to internet of things application layer; harmful influence internet of things application layer determines whether to alarm according to the information of tracking of information harmful influence.The present invention is based on technology of Internet of things; the safe condition monitoring that round-the-clock Life cycle can be carried out to harmful influence and safe early warning; have the characteristics that precision is high, detection limit is low, at low cost, safe, long lifespan; can realize it is remote, obtain harmful influence in a distributed manner in production, storage, circulation and the information using link, provide new means to monitor harmful influence safe condition in real time.
Description
Technical field
The present invention relates to harmful influence Internet of Things field more particularly to amorphous state NdFeB alloys microballoon to detect agent in harmful influence
Application in Internet of Things.
Background technology
Harmful influence is being produced, is being stored, circulating and is being both needed to strict control using links.In recent years, harmful influence is illegal
Using increasing, terrorist incident increasingly causes the concern of national governments.How practical ways management dangerization is found
The production of product, the illegal circulation and use of tissue or tracking harmful influence, the quick terrified case of detection, is current security for all countries mechanism
Urgent problem.
Internet of Things refers to through various information sensing devices, any required monitoring of acquisition in real time, connection, interactive object or
The information of the various needs such as process is combined the huge network to be formed with internet.The purpose is to realize object and object, object with
People, the connection of all articles and network facilitate identification, management and control, therefore are highly suitable to be applied for the tracking of harmful influence
And detection, and the relevant technologies yet there are no report.
Invention content
In order to solve the above technical problem, the present invention provides a kind of amorphous state NdFeB alloys microballoons to detect agent in dangerization
Application in product Internet of Things, using magnetic sensor, detection limit is low, and equipment cost is low, safe, can be real by Internet of Things
When monitoring harmful influence position and state, be eminently suitable for harmful influence production, storage, circulation and using link management.
The specific technical solution of the present invention is：The implementation steps of the application are as follows：
1）The detection agent of amorphous state NdFeB alloys microballoon is dispersed in inside harmful influence；
2）In harmful influence thing network sensing layer using magnetic sensor, magnetic signal is converted into electric signal；
3）Harmful influence Internet of Things network layer receives electrical signal data and identifying processing, and the content for detecting agent and location information are sent
To internet of things application layer；
4）Harmful influence internet of things application layer is according to the content of detection agent and production, storage, the circulation of location information tracking harmful influence
With use the information of link, and determine whether to alarm.
Magnetic sensor is introduced into harmful influence monitoring and in early warning system, it is low to solve traditional harmful influence monitoring efficiency, danger
The problem of change product mark is easily eliminated can realize that remote, acquisition harmful influence is being produced, stored, circulating and making in a distributed manner
With the information of link, new means are provided for monitoring harmful influence safe condition in real time.
Preferably, the step 1）Middle amorphous state NdFeB alloys microballoon detection agent contains NdFeB alloys and titanium dioxide
Silicon, wherein silica are to be coated on NdFeB alloy microsphere surfaces in the form of a film, detection agent dispersion described in per 20-50mg
In 1kg harmful influences.
NdFeB alloys are a kind of nano magnetic materials, have grain size it is small, to externally-applied magnetic field hypersensitivity, magnetic content is high, makes
With the advantages such as dosage is small, toxic side effect is small, as detection agent addition in harmful influence, required additive capacity is considerably less, at low cost,
Detecting instrument is simple and easy to get；If the detection agent containing fluorescent material etc., similar harmful influence is needed as identification object of reference, and this
Detection agent in invention need not identify object of reference, and safety greatly increases；Since NdFeB alloys are easily corroded in air, this
Invention in alloy microballoon outer cladding silica membrane, it is etch-proof simultaneously, ensure that detection agent is used in experience harmful influence
It after rear high temperature, strong impact force or deep-etching, remains to keep its identification characteristics, therefore before can be used not only for harmful influence use
Mark, can also be used as the mark after use.
Preferably, a diameter of 700-1000nm of the detection agent particle.
Preferably, the thickness of the silica membrane of the detection agent is 50-100nm.
Preferably, the preparation method of the detection agent includes the following steps：
a）Sintered Nd Fe B permanent magnets Mechanical Crushing is obtained into amorphous state NdFeB alloy powders；
b）Alloy powder is dissolved in the mixed solution of second alcohol and water, ultrasonic disperse obtains mixed liquor；
c）Under stirring condition, the ammonium hydroxide of 25-28wt% is added drop-wise in above-mentioned mixed liquor, is stirring evenly and then adding into ethyl orthosilicate,
4-8 h are persistently stirred, obtain alloy microballoon；
d）Above-mentioned alloy microballoon is cleaned with Magnetic Isolation auxiliary, is used for the amorphous state NdFeB alloys of explosive identification after dry to obtain the final product
Microballoon detects agent.
The alloy microspherulite diameter that the preparation method obtains is uniform, is not easy to reunite, and silica-film thickness is relatively thin, Bu Huiying
Ring the magnetic property of NdFeB alloys.
Preferably, the preparation method step a）Middle sintered Nd Fe B permanent magnets ball mill crushing is to diameter 600-800nm.
Preferably, the preparation method step b）The volume ratio of middle second alcohol and water is 5:0.8-1.2, ultrasonic disperse time
For 20-40min.
Preferably, the preparation method step c）The mass ratio of middle ethyl orthosilicate and alloy powder is 5:0.8-1.2,
The mass ratio of ammonium hydroxide and ethyl orthosilicate is 8:4-5.
Preferably, the step 2）Middle harmful influence thing network sensing layer includes magnetic transducing net, magnetic signal demodulating system
With information processing and network organizing module, wherein magnetic transducing net is made of multiple magnetic sensors, acquires harmful influence in real time
The magnetic signal of movement locus.
Preferably, the step 3）Middle harmful influence Internet of Things network layer includes data transmission unit DTU, ICP/IP protocol
With EDGE/3G agreements.
It is compared with the prior art, the beneficial effects of the invention are as follows：The present invention is based on technology of Internet of things, can be round-the-clock to dangerization
Product carry out safe condition monitoring and the safe early warning of Life cycle, have precision is high, detection limit is low, it is at low cost, safe,
The features such as long lifespan, solves the problem of traditional harmful influence monitoring efficiency is low, and harmful influence mark is easily eliminated, can realize long distance
From, in a distributed manner obtain harmful influence production, storage, circulation and using link information, in real time monitoring the safe shape of harmful influence
Condition provides new means.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
50mg sintered Nd Fe B permanent magnets are milled to grain size 600nm, obtain amorphous state NdFeB alloy powders；Alloy powder is dissolved in
In the mixed solution of 25ml ethyl alcohol and 5ml water, ultrasonic disperse 30min obtains mixed liquor；Under stirring condition, by 400 μ L's
27wt% ammonium hydroxide is added drop-wise in above-mentioned mixed liquor, is stirring evenly and then adding into 250 μ L ethyl orthosilicates, is persistently stirred 6h, obtain alloy
Microballoon；Above-mentioned alloy microballoon is cleaned with Magnetic Isolation auxiliary, detects agent after drying up to amorphous state NdFeB alloys microballoon, then
It is scattered in explosive powder, packs.
The magnetic transducing net of harmful influence thing network sensing layer acquires the magnetic signal of the movement locus of explosive, and by magnetic in real time
Signal is converted to electric signal；Harmful influence Internet of Things network layer receives electrical signal data and identifying processing, by detect agent content and
Location information is sent to internet of things application layer；Harmful influence internet of things application layer is tracked fried according to the content and location information of detection agent
Production, storage, circulation and the information using link of medicine, and determine whether to alarm.
Embodiment 2
40mg sintered Nd Fe B permanent magnets are milled to grain size 800nm, obtain amorphous state NdFeB alloy powders；Alloy powder is dissolved in
In the mixed solution of 25ml ethyl alcohol and 4ml water, ultrasonic disperse 20min obtains mixed liquor；Under stirring condition, by 400 μ L's
28wt% ammonium hydroxide is added drop-wise in above-mentioned mixed liquor, is stirring evenly and then adding into 200 μ L ethyl orthosilicates, is persistently stirred 4h, obtain alloy
Microballoon；Above-mentioned alloy microballoon is cleaned with Magnetic Isolation auxiliary, detects agent after drying up to amorphous state NdFeB alloys microballoon, then
It is scattered between two layers of packaging of nitrocotton.
The magnetic transducing net of harmful influence thing network sensing layer acquires the magnetic signal of the movement locus of nitrocotton, and will in real time
Magnetic signal is converted to electric signal；Harmful influence Internet of Things network layer receives electrical signal data and identifying processing, will detect the content of agent
And location information is sent to internet of things application layer；Harmful influence internet of things application layer is tracked according to the content and location information of detection agent
Production, storage, circulation and the information using link of nitrocotton, and determine whether to alarm.
Embodiment 3
60mg sintered Nd Fe B permanent magnets are milled to grain size 700nm, obtain amorphous state NdFeB alloy powders；Alloy powder is dissolved in
In the mixed solution of 25ml ethyl alcohol and 6ml water, ultrasonic disperse 40min obtains mixed liquor；Under stirring condition, by 500 μ L's
25wt% ammonium hydroxide is added drop-wise in above-mentioned mixed liquor, is stirring evenly and then adding into 250 μ L ethyl orthosilicates, is persistently stirred 5h, obtain alloy
Microballoon；Above-mentioned alloy microballoon is cleaned with Magnetic Isolation auxiliary, detects agent after drying up to amorphous state NdFeB alloys microballoon, then
It is scattered between two layers of packaging of red phosphorus.
The magnetic transducing net of harmful influence thing network sensing layer acquires the magnetic signal of the movement locus of red phosphorus, and by magnetic in real time
Signal is converted to electric signal；Harmful influence Internet of Things network layer receives electrical signal data and identifying processing, by detect agent content and
Location information is sent to internet of things application layer；Harmful influence internet of things application layer is red according to the content of detection agent and location information tracking
Production, storage, circulation and the information using link of phosphorus, and determine whether to alarm.
Raw materials used in the present invention, equipment is the common raw material, equipment of this field unless otherwise noted；In the present invention
Method therefor is the conventional method of this field unless otherwise noted.
The above is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and the equivalent transformation that technical spirit makees above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (10)
1. application of a kind of amorphous state NdFeB alloys microballoon detection agent in harmful influence Internet of Things, which is characterized in that the application
Implementation steps are as follows：
1）The detection agent of amorphous state NdFeB alloys microballoon is dispersed in inside harmful influence；
2）In harmful influence thing network sensing layer using magnetic sensor, magnetic signal is converted into electric signal；
3）Harmful influence Internet of Things network layer receives electrical signal data and identifying processing, and the content for detecting agent and location information are sent
To internet of things application layer；
4）Harmful influence internet of things application layer is according to the content of detection agent and production, storage, the circulation of location information tracking harmful influence
With use the information of link, and determine whether to alarm.
2. application of the amorphous state NdFeB alloys microballoon detection agent as described in claim 1 in harmful influence Internet of Things, feature
It is, the step 1）Middle amorphous state NdFeB alloys microballoon detection agent contains NdFeB alloys and silica, wherein titanium dioxide
Silicon is to be coated on NdFeB alloy microsphere surfaces in the form of a film, and detection agent described in per 20-50mg is scattered in 1kg harmful influences.
3. application of the amorphous state NdFeB alloys microballoon detection agent as claimed in claim 1 or 2 in harmful influence Internet of Things,
It is characterized in that, a diameter of 700-1000nm of the detection agent particle.
4. application of the amorphous state NdFeB alloys microballoon detection agent as claimed in claim 1 or 2 in harmful influence Internet of Things,
It is characterized in that, the thickness of the silica membrane of the detection agent is 50-100nm.
5. application of the amorphous state NdFeB alloys microballoon detection agent as claimed in claim 1 or 2 in harmful influence Internet of Things,
It is characterized in that, the preparation method of the detection agent includes the following steps：
a）Sintered Nd Fe B permanent magnets Mechanical Crushing is obtained into amorphous state NdFeB alloy powders；
b）Alloy powder is dissolved in the mixed solution of second alcohol and water, ultrasonic disperse obtains mixed liquor；
c）Under stirring condition, the ammonium hydroxide of 25-28wt% is added drop-wise in above-mentioned mixed liquor, is stirring evenly and then adding into ethyl orthosilicate,
4-8 h are persistently stirred, obtain alloy microballoon；
d）Above-mentioned alloy microballoon is cleaned with Magnetic Isolation auxiliary, is used for the amorphous state NdFeB alloys of explosive identification after dry to obtain the final product
Microballoon detects agent.
6. application of the amorphous state NdFeB alloys microballoon detection agent as claimed in claim 5 in harmful influence Internet of Things, feature
It is, the preparation method step a）Middle sintered Nd Fe B permanent magnets ball mill crushing is to diameter 600-800nm.
7. application of the amorphous state NdFeB alloys microballoon detection agent as claimed in claim 5 in harmful influence Internet of Things, feature
It is, the preparation method step b）The volume ratio of middle second alcohol and water is 5:0.8-1.2, ultrasonic disperse time are 20-40min.
8. application of the amorphous state NdFeB alloys microballoon detection agent as claimed in claim 5 in harmful influence Internet of Things, feature
It is, the preparation method step c）The mass ratio of middle ethyl orthosilicate and alloy powder is 5:0.8-1.2, ammonium hydroxide and positive silicic acid
The mass ratio of ethyl ester is 8:4-5.
9. application of the amorphous state NdFeB alloys microballoon detection agent as described in claim 1 in harmful influence Internet of Things, feature
It is, the step 2）Middle harmful influence thing network sensing layer include magnetic transducing net, magnetic signal demodulating system and information processing with
Network organizing module, wherein magnetic transducing net are made of multiple magnetic sensors, acquire the magnetic of the movement locus of harmful influence in real time
Signal.
10. application of the amorphous state NdFeB alloys microballoon detection agent as described in claim 1 in harmful influence Internet of Things, special
Sign is, the step 3）Middle harmful influence Internet of Things network layer includes data transmission unit DTU, ICP/IP protocol and EDGE/3G
Agreement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176272.7A CN108133567A (en) | 2017-11-22 | 2017-11-22 | A kind of application of amorphous state NdFeB alloys microballoon detection agent in harmful influence Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176272.7A CN108133567A (en) | 2017-11-22 | 2017-11-22 | A kind of application of amorphous state NdFeB alloys microballoon detection agent in harmful influence Internet of Things |
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Citations (4)
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| CN101707106A (en) * | 2009-12-04 | 2010-05-12 | 陕西北美基因股份有限公司 | Method for preparing silicon dioxide magnetic composite microballoon with core-shell structure |
| CN106342337B (en) * | 2008-05-22 | 2011-08-10 | 中国原子能科学研究院 | The tracer of dangerous material and detection method thereof |
| CN202837982U (en) * | 2012-08-15 | 2013-03-27 | 上海佳依佳信息科技有限公司 | Point-to-point whole-course real-time autonomous tracking monitoring system for dangerous goods container |
| CN103310935A (en) * | 2013-06-05 | 2013-09-18 | 中国科学院上海硅酸盐研究所 | Silicon dioxide nano magnetic microsphere and preparation method thereof |
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2017
- 2017-11-22 CN CN201711176272.7A patent/CN108133567A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342337B (en) * | 2008-05-22 | 2011-08-10 | 中国原子能科学研究院 | The tracer of dangerous material and detection method thereof |
| CN101707106A (en) * | 2009-12-04 | 2010-05-12 | 陕西北美基因股份有限公司 | Method for preparing silicon dioxide magnetic composite microballoon with core-shell structure |
| CN202837982U (en) * | 2012-08-15 | 2013-03-27 | 上海佳依佳信息科技有限公司 | Point-to-point whole-course real-time autonomous tracking monitoring system for dangerous goods container |
| CN103310935A (en) * | 2013-06-05 | 2013-09-18 | 中国科学院上海硅酸盐研究所 | Silicon dioxide nano magnetic microsphere and preparation method thereof |
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Application publication date: 20180608 |