CN107564235A - A kind of warehouse antitheft system based on wireless sensor network - Google Patents
A kind of warehouse antitheft system based on wireless sensor network Download PDFInfo
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- CN107564235A CN107564235A CN201710269873.6A CN201710269873A CN107564235A CN 107564235 A CN107564235 A CN 107564235A CN 201710269873 A CN201710269873 A CN 201710269873A CN 107564235 A CN107564235 A CN 107564235A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a kind of warehouse antitheft system based on wireless sensor network, include monitor terminal, router node, and by multiple wireless sensor networks formed for detecting the sensor node of warehouse parameter, the input of the output end connection route device node of the sensor node, the input of the output end connection monitor terminal of the router node, the sensor node includes micro controller module, data acquisition module, analog-digital converter, amplification circuit module, filter circuit module, power module, data transmission module, its photo-voltaic power supply is combined with city with power supply, alarm is combined with recording monitor, along with hotspot transmission technology, not only have the countersabotage ability more stronger than common alarm, also environmentally friendly low-carbon the characteristics of.
Description
Technical field
The invention belongs to photovoltaic generation infrared alarm control field, more particularly to a kind of storehouse based on wireless sensor network
Storehouse burglary-resisting system.
Background technology
With the development of society and the improvement of people's living standards, security requirement of the people for living environment increasingly carries
It is high.Safe and reliable warning system has begun to enter important unit or the public arenas such as market, shop, bank, or even some
Family there are also installed warning system.For warning system while ensureing that public, personal property is safe, the quality of its performance is also more
Seem important.Pyroelectric Infrared Alarm System function in the market is more single, it is impossible to preferably plays security protection
Effect, it is impossible to preferably deal with the emergency cases such as power-off.
The content of the invention
The technical problems to be solved by the invention are to provide for the deficiency of background technology and a kind of be based on wireless senser
The warehouse antitheft system of network, its photo-voltaic power supply is with city is combined with power supply, alarm is combined with recording monitor, along with nothing
Line focus transmission technology, the characteristics of not only having the countersabotage ability, also environmentally friendly low-carbon more stronger than common alarm
The present invention uses following technical scheme to solve above-mentioned technical problem:
A kind of warehouse antitheft system based on wireless sensor network, comprising monitor terminal, router node and by more
The wireless sensor network of the individual sensor node composition for being used to detect warehouse parameter, the output end connection of the sensor node
The input of router node, the input of the output end connection monitor terminal of the router node, the sensor node
Comprising micro controller module, data acquisition module, analog-digital converter, amplification circuit module, filter circuit module, power module,
Data transmission module, the data acquisition module pass sequentially through analog-digital converter, amplification circuit module, filter circuit module connection
Micro controller module, the data transmission module and power module are connected with micro controller module respectively;
Wherein, data acquisition module, for gathering warehouse parameters in real time;
Analog-digital converter, for the analog signal of data collecting module collected to be converted into data signal;
Amplification circuit module, for data signal to be amplified into processing;
Filter circuit module, for the data signal after enhanced processing to be filtered into processing;
Micro controller module, transmitted for the data signal after the filtering process by reception by data transmission module to prison
Control terminal;
The power module includes city's power module, photo-voltaic power supply module, AC adapter, battery, and the city uses
Power module connects battery by AC adapter, and the photo-voltaic power supply module connects controller module by battery;Institute
State AC adapter and include exchange input interface, AC/DC modular converters, control unit, the direct current output interface being sequentially connected, institute
State that AC/DC modular converters are used to alternating voltage being converted into DC voltage, the direct current output interface is used for feedback link state
Signal and output DC voltage;
The filter circuit module includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th
Resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, operational amplifier, power supply, institute
State one end of first resistor with the output end of mu balanced circuit to be connected, the other end of the first resistor connects one end of the first electric capacity
It is connected with one end behind one end of the second electric capacity with second resistance, one end of the other end connection 3rd resistor of first electric capacity
Be connected afterwards with the negative input end of operational amplifier, after the other end of the other end of second electric capacity connection 3rd resistor with computing
The output end of amplifier is connected, the other end ground connection of the second resistance;The positive input terminal of the operational amplifier is sequentially connected
Be grounded after 4th resistance and the 5th resistance, the positive power source terminal of operational amplifier and connect behind one end of the 3rd electric capacity with the 6th resistance
One end is connected, and the other end of the 6th resistance is connected with the positive pole of power supply, and the other end ground connection of the 3rd electric capacity, computing is put
The negative power end of big device is simultaneously connected after connecing one end of the 7th resistance with one end of the 4th electric capacity, the other end of the 7th resistance with
The negative pole of power supply is connected, the other end ground connection of the 4th electric capacity;After the output end of the operational amplifier concatenates the 5th electric capacity
It is connected with the input of micro controller module.
As a kind of further preferred scheme of the warehouse antitheft system based on wireless sensor network of the present invention, the number
According to acquisition module include infrared sensor, temperature sensor, humidity sensor, gas leakage sensor, fire cigarette propagated sensation sensor,
Glass break sensorses;The infrared sensor, temperature sensor, humidity sensor, gas leakage sensor, fire cigarette propagated sensation
Sensor, glass break sensorses are connected with analog-to-digital conversion module respectively.
As a kind of further preferred scheme of the warehouse antitheft system based on wireless sensor network of the present invention, the prison
Control terminal includes DSP module and respectively connected display module, sound and light alarm module, memory module, radio communication
Module, gsm module and clock module;The wireless communication module is used for the letter for receiving the collection of sensor node data acquisition module
Cease parameter;The display module is used for the information parameter of real time sensor node data acquisition module collection, the sound and light alarm
Module is used to send alarm, and the memory module is used for the time real-time storage sensor node number recorded according to clock module
The information parameter gathered according to acquisition module.
It is described red as a kind of further preferred scheme of the warehouse antitheft system based on wireless sensor network of the present invention
Outer sensor uses Thermoelectric Infrared Sensor of the chip model for PIS-209S.
It is described as a kind of further preferred scheme of the warehouse antitheft system based on wireless sensor network of the present invention
GSM modules use the TC35 series GSM chips TC35i of Siemens Company.
The present invention compared with prior art, has following technique effect using above technical scheme:
1st, it is of the invention it is a kind of based on the warehouse antitheft system of wireless sensor network photo-voltaic power supply and city's power supply phase
It is combined with recording monitor with reference to, alarm, along with hotspot transmission technology, not only has more stronger than common alarm
The characteristics of countersabotage ability, also environmentally friendly low-carbon;
2nd, the present invention uses the duplicate supply mode of solar cell and city's 220V power supplys, when there is city's electricity consumption, by straight
Flow the ingenious disconnection solar cell of low-voltage relay;When city with it is electrically disconnected when, solar cell serves as power supply, and solar cell leads to
Solar energy intelligent charger connection solar panels are crossed, charger is charged for battery when sunny, from dynamic circuit breaker during full of battery
Charging is opened, is that charging current can reach more than 1A in the sufficient sun, fully meets circuit needs.
Embodiment
It is described in further detail with reference to technical scheme:
A kind of warehouse antitheft system based on wireless sensor network, comprising monitor terminal, router node and by more
The wireless sensor network of the individual sensor node composition for being used to detect warehouse parameter, the output end connection of the sensor node
The input of router node, the input of the output end connection monitor terminal of the router node, a kind of base of the invention
Photo-voltaic power supply is combined with power supply with city in the warehouse antitheft system of wireless sensor network, alarms and mutually tied with recording monitor
Close, along with hotspot transmission technology, not only have the countersabotage ability more stronger than common alarm, also environmentally friendly low-carbon
The characteristics of.
The sensor node include micro controller module, data acquisition module, analog-digital converter, amplification circuit module,
Filter circuit module, power module, data transmission module, the data acquisition module pass sequentially through analog-digital converter, amplification electricity
Road module, filter circuit module connection micro controller module, the data transmission module and power module respectively with microcontroller
Module connects;
Wherein, data acquisition module, for gathering warehouse parameters in real time;
Analog-digital converter, for the analog signal of data collecting module collected to be converted into data signal;
Amplification circuit module, for data signal to be amplified into processing;
Filter circuit module, for the data signal after enhanced processing to be filtered into processing;
Micro controller module, transmitted for the data signal after the filtering process by reception by data transmission module to prison
Control terminal;
The power module includes city's power module, photo-voltaic power supply module, AC adapter, battery, and the city uses
Power module connects battery by AC adapter, and the photo-voltaic power supply module connects controller module by battery;Institute
State AC adapter and include exchange input interface, AC/DC modular converters, control unit, the direct current output interface being sequentially connected, institute
State that AC/DC modular converters are used to alternating voltage being converted into DC voltage, the direct current output interface is used for feedback link state
Signal and output DC voltage;
The filter circuit module includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th
Resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, operational amplifier, power supply, institute
State one end of first resistor with the output end of mu balanced circuit to be connected, the other end of the first resistor connects one end of the first electric capacity
It is connected with one end behind one end of the second electric capacity with second resistance, one end of the other end connection 3rd resistor of first electric capacity
Be connected afterwards with the negative input end of operational amplifier, after the other end of the other end of second electric capacity connection 3rd resistor with computing
The output end of amplifier is connected, the other end ground connection of the second resistance;The positive input terminal of the operational amplifier is sequentially connected
Be grounded after 4th resistance and the 5th resistance, the positive power source terminal of operational amplifier and connect behind one end of the 3rd electric capacity with the 6th resistance
One end is connected, and the other end of the 6th resistance is connected with the positive pole of power supply, and the other end ground connection of the 3rd electric capacity, computing is put
The negative power end of big device is simultaneously connected after connecing one end of the 7th resistance with one end of the 4th electric capacity, the other end of the 7th resistance with
The negative pole of power supply is connected, the other end ground connection of the 4th electric capacity;After the output end of the operational amplifier concatenates the 5th electric capacity
It is connected with the input of micro controller module.
The data acquisition module include infrared sensor, temperature sensor, humidity sensor, gas leakage sensor,
Fire cigarette propagated sensation sensor, glass break sensorses;The infrared sensor, temperature sensor, humidity sensor, gas leak pass
Sensor, fire cigarette propagated sensation sensor, glass break sensorses are connected with analog-to-digital conversion module respectively..
Major module concrete function introduction:
Power module:Photo-voltaic power supply provides electric power for each wireless device, and auxiliary power is provided for wireline equipment;City's electricity consumption
Source connects potential device and battery forms power supply;The present invention uses the double confessions of solar cell and city with 220V power supplys
Electrically, when there is city's electricity consumption, the ingenious disconnection solar cell of D.C. undervoltage relay is passed through;When city with it is electrically disconnected when, the sun
Can battery serve as power supply, solar cell connects solar panels by solar energy intelligent charger, and charger is when sunny
Charged for battery, disconnect charging automatically during full of battery, be that charging current can reach more than 1A in the sufficient sun, fully meet
Circuit needs.
Infrared sensor:For detecting whether someone enters detection range, wireless pyroelectric infrared sensor utilizes luxuriant and rich with fragrance alunite
That lens make the detection range of sensor have directive property to improve the sensitivity of sensor, and are connected to infrared sensing letter
Number process circuit, then receive the report for police service control main frame and the digital interface of micro controller module.Wireless senser is fixed on hidden position
Put, be connected with photo-voltaic power supply battery, passed to signal on main control computer by wireless communication chips.Multiple infrared rays answer device group
Into an infrared induction network, outer signals are handled by radio sensing network program synthesis.
Gsm module:It is used to monitor terminal using the TC35 series GSM chips TC35i of Siemens Company with mobile terminal connect
Connect, be easy to user can be by mobile terminal real-time query with receiving warning message.
Micro controller module uses the AT89S52 of atmel corp, and it is internally integrated 256B program running spaces, 8KB
FLASH memory spaces, maximum 64KB external storages are supported to extend, clock frequency can be arranged between 0~33MHz, and piece is domestic-investment
There are 4 groups of 32 I/O control ports, 3 16 bit timing devices, 8 vectorial two-stage interrupt structures, software design patterns in source in low energy consumption mould
Formula, there are house dog and power-off protection etc..
Micro controller module uses the duplicate supply mode of solar cell and city's 220V power supplys.When there is city's electricity consumption, lead to
Cross the ingenious disconnection solar cell of D.C. undervoltage relay;When city with it is electrically disconnected when, solar cell serves as power supply.
The system uses that the TC35 series GSM chips TC35i of Siemens Company is compatible with GSM2/2, double frequency
(GSM900/GSM1800), the data-interfaces of RS 232, TC35i are connect by power supply module (AS IC), flash memory, ZIF connector, antenna
Mouth waits six parts composition.The module and radio circuit and base band and one, the AT command interfaces of standard are provided a user, for number
According to, voice, short message and fax quick, reliable, safety transmission is provided.Alarm bell warning circuit is using one simple efficient three
Pole pipe amplifying circuit, connect buzzer or high-power more than 100dB emergency alarm bell can be selected.
The present invention, when there is city's electricity consumption, passes through direct current using the duplicate supply mode of solar cell and city's 220V power supplys
The ingenious disconnection solar cell of low-voltage relay;When city with it is electrically disconnected when, solar cell serves as power supply, and solar cell passes through
Solar energy intelligent charger connects solar panels, and charger is charged for battery when sunny, disconnects automatically during full of battery
Charging, is that charging current can reach more than 1A in the sufficient sun, fully meets circuit needs.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein (including skill
Art term and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the implication of idealization or overly formal.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.Embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in ability
In the those of ordinary skill's possessed knowledge of domain, various changes can also be made on the premise of present inventive concept is not departed from
Change.
Claims (5)
- A kind of 1. warehouse antitheft system based on wireless sensor network, it is characterised in that:Include monitor terminal, router section Point and by multiple wireless sensor networks for being used to detect that the sensor node of warehouse parameter forms, the sensor node Output end connection route device node input, the router node output end connection monitor terminal input, institute State sensor node and include micro controller module, data acquisition module, analog-digital converter, amplification circuit module, filter circuit mould Block, power module, data transmission module, the data acquisition module pass sequentially through analog-digital converter, amplification circuit module, filtering Circuit module connects micro controller module, and the data transmission module and power module are connected with micro controller module respectively;Wherein, data acquisition module, for gathering warehouse parameters in real time;Analog-digital converter, for the analog signal of data collecting module collected to be converted into data signal;Amplification circuit module, for data signal to be amplified into processing;Filter circuit module, for the data signal after enhanced processing to be filtered into processing;Micro controller module, transmitted for the data signal after the filtering process by reception by data transmission module to monitoring eventually End;The power module includes city's power module, photo-voltaic power supply module, AC adapter, battery, city's power supply Module connects battery by AC adapter, and the photo-voltaic power supply module connects controller module by battery;The friendship Flow adapter includes exchange input interface, AC/DC modular converters, control unit, the direct current output interface being sequentially connected, described AC/DC modular converters are used to alternating voltage being converted into DC voltage, the direct current output interface for feedback link state letter Number and output DC voltage;The filter circuit module includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th electricity Resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, operational amplifier, power supply, it is described One end of first resistor is connected with the output end of mu balanced circuit, the other end of the first resistor connect the first electric capacity one end and It is connected behind one end of second electric capacity with one end of second resistance, behind one end of the other end connection 3rd resistor of first electric capacity It is connected with the negative input end of operational amplifier, is put after the other end of the other end connection 3rd resistor of second electric capacity with computing The output end of big device is connected, the other end ground connection of the second resistance;The positive input terminal of the operational amplifier is sequentially connected It is grounded after four resistance and the 5th resistance, the positive power source terminal of operational amplifier simultaneously meets behind one end of the 3rd electric capacity one with the 6th resistance End is connected, and the other end of the 6th resistance is connected with the positive pole of power supply, the other end ground connection of the 3rd electric capacity, operation amplifier The negative power end of device is simultaneously connected after connecing one end of the 7th resistance with one end of the 4th electric capacity, the other end and the electricity of the 7th resistance The negative pole in source is connected, the other end ground connection of the 4th electric capacity;The output end of the operational amplifier concatenate after the 5th electric capacity with The input connection of micro controller module.
- A kind of 2. warehouse antitheft system based on wireless sensor network according to claim 1, it is characterised in that:It is described Data acquisition module includes infrared sensor, temperature sensor, humidity sensor, gas leakage sensor, fire cigarette propagated sensation sense Device, glass break sensorses;The infrared sensor, temperature sensor, humidity sensor, gas leakage sensor, fire cigarette Propagated sensation sensor, glass break sensorses are connected with analog-to-digital conversion module respectively.
- A kind of 3. warehouse antitheft system based on wireless sensor network according to claim 1, it is characterised in that:It is described Monitor terminal includes DSP module and respectively connected display module, sound and light alarm module, memory module, channel radio Believe module, gsm module and clock module;The wireless communication module is used to receive the collection of sensor node data acquisition module Information parameter;The display module is used for the information parameter of real time sensor node data acquisition module collection, the acousto-optic report Alert module is used to send alarm, and the memory module is used for the time real-time storage sensor node recorded according to clock module The information parameter of data collecting module collected.
- A kind of 4. warehouse antitheft system based on wireless sensor network according to claim 1, it is characterised in that:It is described Infrared sensor uses Thermoelectric Infrared Sensor of the chip model for PIS-209S.
- A kind of 5. warehouse antitheft system based on wireless sensor network according to claim 3, it is characterised in that:It is described Gsm module uses the TC35 series GSM chips TC35i of Siemens Company.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108363333A (en) * | 2018-03-16 | 2018-08-03 | 新日(无锡)发展有限公司 | A kind of Anti-theft system for electric automobiles based on information fusion |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200919385A (en) * | 2007-10-22 | 2009-05-01 | Nat Huwei University Of Science And Technology | Alarm system with wireless sensor network and control method for the same |
CN204578184U (en) * | 2015-02-06 | 2015-08-19 | 北京极联客科技有限公司 | A kind of AC adapter |
CN105021842A (en) * | 2015-07-08 | 2015-11-04 | 无锡市崇安区科技创业服务中心 | Latitude and longitude vehicle speed measuring system based on filter circuit |
CN106127998A (en) * | 2016-08-23 | 2016-11-16 | 江苏南能电气有限公司 | A kind of infrared remote warning system based on Cloud Server terminal and photovoltaic generation |
CN106128057A (en) * | 2016-08-29 | 2016-11-16 | 无锡卓信信息科技股份有限公司 | A kind of warehouse based on wireless sensor network security intelligent monitor system |
CN205983736U (en) * | 2016-08-29 | 2017-02-22 | 无锡卓信信息科技股份有限公司 | Warehouse security intelligent monitoring system based on thing networking |
-
2017
- 2017-04-24 CN CN201710269873.6A patent/CN107564235A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200919385A (en) * | 2007-10-22 | 2009-05-01 | Nat Huwei University Of Science And Technology | Alarm system with wireless sensor network and control method for the same |
CN204578184U (en) * | 2015-02-06 | 2015-08-19 | 北京极联客科技有限公司 | A kind of AC adapter |
CN105021842A (en) * | 2015-07-08 | 2015-11-04 | 无锡市崇安区科技创业服务中心 | Latitude and longitude vehicle speed measuring system based on filter circuit |
CN106127998A (en) * | 2016-08-23 | 2016-11-16 | 江苏南能电气有限公司 | A kind of infrared remote warning system based on Cloud Server terminal and photovoltaic generation |
CN106128057A (en) * | 2016-08-29 | 2016-11-16 | 无锡卓信信息科技股份有限公司 | A kind of warehouse based on wireless sensor network security intelligent monitor system |
CN205983736U (en) * | 2016-08-29 | 2017-02-22 | 无锡卓信信息科技股份有限公司 | Warehouse security intelligent monitoring system based on thing networking |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108363333A (en) * | 2018-03-16 | 2018-08-03 | 新日(无锡)发展有限公司 | A kind of Anti-theft system for electric automobiles based on information fusion |
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Application publication date: 20180109 |