CN110503790A - A kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system - Google Patents
A kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system Download PDFInfo
- Publication number
- CN110503790A CN110503790A CN201810475967.3A CN201810475967A CN110503790A CN 110503790 A CN110503790 A CN 110503790A CN 201810475967 A CN201810475967 A CN 201810475967A CN 110503790 A CN110503790 A CN 110503790A
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- China
- Prior art keywords
- acceleration transducer
- mems acceleration
- burglary
- storehouse
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1436—Mechanical actuation by lifting or attempted removal of hand-portable articles with motion detection
Abstract
The present invention relates to intelligent storage cabinet burglar-proof mechanism technical fields, especially a kind of intelligent terminal insures storehouse MEMS acceleration transducer burglary-resisting system, including MEMS acceleration transducer, data collector, photoelectric converter and buzzer, MEMS acceleration transducer includes circuit acceleration sensor and pressure resistance type acceleration sensor, MEMS acceleration sensing connects data collector, and data collector connects buzzer by photoelectric converter；The invention has the advantages that: the present invention to be provided with MEMS acceleration transducer, data collector, photoelectric converter and buzzer, easily manufactured, is hardly damaged, inductive effects are good.
Description
Technical field
The present invention relates to intelligent storage cabinet burglar-proof mechanism technical field, especially a kind of intelligent terminal insurance storehouse MEMS accelerates
Spend sensor burglary-resisting system.
Background technique
Alarm is with rapid changepl. never-ending changes and improvements at present, and no matter in structure, or on antitheft, function increases many, with
Prevent thief from having an opportunity to take advantage of, however as Time Technology progress, the operation strategies of alarm are also more and more extensive, or even antitheft
Diversification is also taken in device structure, to adapt to required for current each form field.
Its major function of the vibration sensor of alarm is the sensitivity vibrated, and miscellaneous vibration induction at present
Also there are many excellent, disadvantages, such as in device:
(A) buzzing chip: foot is incuded using acoustic vibration, and high-frequency signal is filtered out, low frequency signal is taken and amplifies, the induction of this structure
Device cost is relatively inexpensive, meets economic benefit, but buzzing chip inductor manufacturing process with it is more inconvenient in construction, society is opened
One is formed on hair to hinder greatly.
(B) it magnetic field induction: by a magnet and coil combination, is vibrated using the interval between magnet and coil, makes coil
Induced magnetic field variation, and its signal is taken, this manufacturing process is convenient compared with the former, and has economic benefit, but such signal is easy by electricity
Wave or external magnetic field interference, and influence its inductive effects, the less practicability for user.
(c) mercury contact: being to make to connect circuit by mercury when car body is vibrated using mercury liquid metals, this
Mercury liquid sensitivity is very high, and the relatively inexpensive economy of cost, but such in the way of the connection of silvering solution body forever circuit, because of mercury
Liquid itself has the relationship of center of gravity, and has serious directionality, and user can be enabled to generate many unnecessary car body inductions.
(D) the vertical induction type of Spring Pendulum: for mechanical structure, relationship is moved using weight pendulum, keeps its pendulum vertical and another point contact
Form induction, this is heavy to hang down after object is vibrated, pendulum hang down with another point contact will not wrong situation generate, but mechanical knot
Structure is also less durable in addition to easy to damage because object is often vibrated, and enables alarm that can not play its effectiveness instead.
Therefore, it is necessary to propose a kind of intelligent terminal insurance antitheft system of storehouse MEMS acceleration transducer in response to the above problems
System.
Summary of the invention
Object of the present invention is to overcome deficiency in the prior art, a kind of intelligent terminal insurance storehouse MEMS acceleration is provided
Sensor burglary-resisting system.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions:
A kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system, including the acquisition of MEMS acceleration transducer, data
Device, photoelectric converter and buzzer, the MEMS acceleration transducer include that circuit acceleration sensor and pressure resistance type accelerate sensing
Device, the MEMS acceleration transducer connect data collector, and the data collector connects buzzer by photoelectric converter,
MEMS acceleration transducer is fixed on to the anywhere in intelligent terminal insurance storehouse, when the external world generates displacement vibration, passes through work
Dynamic and static detection Function detection has without motion, and tapping detection function can detecte clicking and double-clicks and moving for any direction
Make, MEMS acceleration sensing exports a signal, after amplifying circuit, goes out anti-theft signal size by spectrum analysis, output is stolen
Surreptitiously signal magnitude can alarm immediately and upload to area's grade management platform, and be transmitted to responsible person concerned by cellphone information and make instead
It answers, sound and light alarm signal is then issued by system.
Preferably, the circuit acceleration transducer includes acceleration sensor circuit plate, magnet fixing seat and wiring nozzle,
The acceleration sensor circuit plate is mounted on the internal upper part of magnet fixing seat, and the wiring nozzle is connected to the right side of magnet fixing seat
Side.
Preferably, the acceleration sensor circuit plate includes control chip, the first amplifier, the second amplifier and third
Amplifier, the first pin of the control chip connect limiting protector, and the second pin connection auxiliary of the control chip is opened
It closes, the 5th pin of the control chip connects photodiode.
Preferably, the 12nd pin of the control chip is separately connected the non-inverting input terminal of the first amplifier and by the
One capacity earth, the inverting input terminal of first amplifier connect the output end of the first amplifier.
Preferably, the tenth pin of the control chip is separately connected the non-inverting input terminal of the second amplifier and by second
Capacity earth, the inverting input terminal of second amplifier connect the output end of the second amplifier.
Preferably, the 8th pin of the control chip is separately connected the non-inverting input terminal of third amplifier and passes through third
Capacity earth, the output end of the inverting input terminal connection third amplifier of the third amplifier.
Preferably, the 14th pin of the control chip and the 15th pin pass through the 4th capacitor, the 5th capacitor respectively
Ground connection and access power supply.
Preferably, the pressure resistance type acceleration sensor includes fixed frame, pressure drag, mass block and spring beam, the mass block
It is connected on fixed frame by spring beam, the pressure drag is arranged on spring beam, is being accelerated using measurement fixed mass block
The power F that generates measures acceleration a when degree acts on, when there is acceleration a to act on sensor, the inertial mass of sensor
Inertia force: F=ma will be generated, this inertia force F is acted on the spring beam of sensor, will be generated one and is proportional to F's
Strain；Varistor on spring beam can also generate a variable quantity △ R therewith, and the Wheatstone bridge being made of varistor is defeated
A voltage signal V directly proportional to △ R out.
Preferably, the buzzer includes piezo buzzer and electromagnetic buzzer, and piezo buzzer is by multi-resonant
Device, piezoelectricity singing piece, impedance matching box and resonant tank, shell composition are swung, multivibrator is made of transistor or integrated circuit,
(1.5 ~ 15V direct-current working volts) after the power is turned on, multivibrator starting of oscillation export the audio signal of 1.5 ~ 2.5kHZ, resistance
Anti- adaptation pushes piezoelectricity singing piece sounding；Piezoelectricity singing piece is made of lead zirconate titanate or lead magnesio-niobate piezoceramic material, In
The two sides of potsherd plates silver electrode, sticks together after polarization and aging process, then with latten(-tin) or stainless steel substrates.
Preferably, electromagnetic buzzer is made of oscillator, electromagnetic coil, magnet, vibrating diaphragm and shell；Power on
Afterwards, the voice-frequency signalling current that oscillator generates makes electromagnetic coil generate magnetic field, vibrating diaphragm is in electromagnetic coil by electromagnetic coil
Under the interaction of magnet, periodically vibration sounding.
The invention has the advantages that: the present invention to be provided with MEMS acceleration transducer, data collector, photoelectric converter and bee
Ring device, easily manufactured, is hardly damaged, inductive effects are good.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is circuit acceleration sensor structure figure of the invention；
Fig. 2 is acceleration sensor circuit plate circuit diagram of the invention；
Fig. 3 is pressure resistance type acceleration sensor structure chart of the invention.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
If Fig. 1 is simultaneously combined shown in Fig. 2 and Fig. 3, a kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system, packet
MEMS acceleration transducer, data collector, photoelectric converter and buzzer are included, the MEMS acceleration transducer includes circuit
Acceleration sensor and pressure resistance type acceleration sensor, the MEMS acceleration transducer connect data collector, the data acquisition
Device connects buzzer by photoelectric converter, and MEMS acceleration transducer is fixed on to the anywhere in intelligent terminal insurance storehouse,
When the external world generates displacement vibration, there is a without motion by activity and static detection Function detection, tapping detection function can be with
Detection any direction click and double-click movement, MEMS acceleration sensing export a signal pass through frequency spectrum after amplifying circuit
Anti-theft signal size is analyzed, output theft signal magnitude can alarm immediately and upload to area's grade management platform, and believe by mobile phone
Breath is transmitted to responsible person concerned and makes a response, and then issues sound and light alarm signal by system.
Further, the circuit acceleration transducer includes acceleration sensor circuit plate 2, magnet fixing seat 1 and connects
Line nozzle 3, the acceleration sensor circuit plate 2 are mounted on the internal upper part of magnet fixing seat 1, and the wiring nozzle 3 is connected to magnet
The right edge of fixing seat 1.
In addition, the acceleration sensor circuit plate 2 includes control chip U0, the first amplifier Q1, the second amplifier Q2
Limiting protector FS is connected with the first pin of third amplifier Q3, the control chip U0, it is described to control the second of chip U0
Pin connects auxiliary switch ST, and the 5th pin of the control chip U0 connects photodiode PD.
Wherein, the 12nd pin of the control chip U0 is separately connected the non-inverting input terminal of the first amplifier Q1 and passes through
First capacitor C1 ground connection, the output end of the first amplifier Q1 of inverting input terminal connection of the first amplifier Q1, the control
The tenth pin of coremaking piece U0 is separately connected the non-inverting input terminal of the second amplifier 2 and is grounded by the second capacitor C2, described the
The inverting input terminal of two amplifier Q2 connects the output end of the second amplifier Q2.
In addition, the 8th pin of the control chip U0 is separately connected the non-inverting input terminal of third amplifier Q3 and by the
Three capacitor C3 ground connection, the output end of the inverting input terminal connection third amplifier Q3 of the third amplifier Q3, the control core
The 14th pin of piece U0 and the 15th pin pass through the 4th capacitor C4, the 5th capacitor C5 ground connection and access power supply respectively.
Wherein, the pressure resistance type acceleration sensor includes fixed frame 4, pressure drag 7, mass block 6 and spring beam 5, the quality
Block 6 is connected on fixed frame 4 by spring beam 5, and the pressure drag 7 is arranged on spring beam 5, using measurement fixed mass block by
The power F that generates when to acceleration effect measures acceleration a, when there is acceleration a to act on sensor, the inertia of sensor
Mass block will generate inertia force: F=ma, this inertia force F is acted on the spring beam of sensor, will generate one just
Than in the strain of F；Varistor on spring beam can also generate variable quantity a △ R, the Hui Si being made of varistor therewith
Energization bridge exports a voltage signal V directly proportional to △ R, and the buzzer includes piezo buzzer and electromagnetic type buzzing
Device, piezo buzzer are made of multivibrator, piezoelectricity singing piece, impedance matching box and resonant tank, shell, multivibrator
It is made of, after the power is turned on (1.5 ~ 15V direct-current working volts), multivibrator starting of oscillation, exports transistor or integrated circuit
The audio signal of 1.5 ~ 2.5kHZ, impedance matching box push piezoelectricity singing piece sounding；Piezoelectricity singing piece is by lead zirconate titanate or niobium magnesium
Lead plumbate piezoceramic material is made, and plates silver electrode on the two sides of potsherd, through polarize and aging process after, then with latten(-tin) or
Stainless steel substrates stick together, and electromagnetic buzzer is made of oscillator, electromagnetic coil, magnet, vibrating diaphragm and shell；Connect electricity
Behind source, the voice-frequency signalling current that oscillator generates makes electromagnetic coil generate magnetic field, vibrating diaphragm is in electromagnetic wire by electromagnetic coil
It encloses under the interaction with magnet, periodically vibration sounding.
The present invention is provided with MEMS acceleration transducer, data collector, photoelectric converter and buzzer, easily manufactured,
It is hardly damaged, inductive effects are good.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of intelligent terminal insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that: passed including MEMS acceleration
Sensor, data collector, photoelectric converter and buzzer, the MEMS acceleration transducer include circuit acceleration sensor and pressure
Resistive acceleration sensor, the MEMS acceleration sensing connect data collector, and the data collector passes through photoelectric converter
Buzzer is connected, MEMS acceleration transducer is fixed on to the anywhere in intelligent terminal insurance storehouse, when the external world generates displacement vibration
When dynamic, there is without motion by activity and static detection Function detection, tapping detection function can detecte the list of any direction
It hits and double-click movement, MEMS acceleration sensing exports a signal and it is big to go out anti-theft signal by spectrum analysis after amplifying circuit
Small, output theft signal magnitude can alarm immediately and upload to area's grade management platform, and be transmitted to related responsibility by cellphone information
People makes a response, and then issues sound and light alarm signal by system.
2. a kind of intelligent terminal as described in claim 1 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
The circuit acceleration transducer includes acceleration sensor circuit plate, magnet fixing seat and wiring nozzle, the acceleration sensing
Device circuit board is mounted on the internal upper part of magnet fixing seat, and the wiring nozzle is connected to the right edge of magnet fixing seat.
3. a kind of intelligent terminal as claimed in claim 2 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
The acceleration sensor circuit plate includes control chip, the first amplifier, the second amplifier and third amplifier, the control
First pin of chip connects limiting protector, and the second pin of the control chip connects auxiliary switch, the control chip
The 5th pin connect photodiode.
4. a kind of intelligent terminal as claimed in claim 3 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
12nd pin of the control chip is separately connected the non-inverting input terminal of the first amplifier and is grounded by first capacitor, described
The inverting input terminal of first amplifier connects the output end of the first amplifier.
5. a kind of intelligent terminal as claimed in claim 3 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
Tenth pin of the control chip is separately connected the non-inverting input terminal of the second amplifier and by the second capacity earth, and described the
The inverting input terminal of two amplifiers connects the output end of the second amplifier.
6. a kind of intelligent terminal as claimed in claim 3 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
8th pin of the control chip is separately connected the non-inverting input terminal of third amplifier and by third capacity earth, and described the
The output end of the inverting input terminal connection third amplifier of three amplifiers.
7. a kind of intelligent terminal as claimed in claim 3 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
The 14th pin and the 15th pin of the control chip pass through the 4th capacitor, the 5th capacity earth and access power supply respectively.
8. a kind of intelligent terminal as described in claim 1 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
The pressure resistance type acceleration sensor includes fixed frame, pressure drag, mass block and spring beam, and the mass block is connected to by spring beam
On fixed frame, the pressure drag is arranged on spring beam, the power F generated when by acceleration effect using measurement fixed mass block
Acceleration a is measured, when there is acceleration a to act on sensor, the inertial mass of sensor will generate an inertia
Power: F=ma, this inertia force F are acted on the spring beam of sensor, will generate the strain for being proportional to F；On spring beam
Varistor can also generate a variable quantity △ R therewith, and the Wheatstone bridge being made of varistor exports one with △ R at just
The voltage signal V of ratio.
9. a kind of intelligent terminal as described in claim 1 insures storehouse MEMS acceleration transducer burglary-resisting system, it is characterised in that:
The buzzer includes piezo buzzer and electromagnetic buzzer, piezo buzzer by multivibrator, piezoelectricity singing piece,
Impedance matching box and resonant tank, shell composition, multivibrator is made of transistor or integrated circuit, after the power is turned on, more
Harmonic oscillator starting of oscillation, exports the audio signal of 1.5 ~ 2.5kHZ, and impedance matching box pushes piezoelectricity singing piece sounding；Piezoelectricity singing piece
It is made of lead zirconate titanate or lead magnesio-niobate piezoceramic material, plates silver electrode on the two sides of potsherd, at polarization and aging
After reason, then stick together with latten(-tin) or stainless steel substrates.
10. a kind of intelligent terminal as claimed in claim 9 insures storehouse MEMS acceleration transducer burglary-resisting system, feature exists
In: electromagnetic buzzer is made of oscillator, electromagnetic coil, magnet, vibrating diaphragm and shell；After powering on, oscillator is produced
Raw voice-frequency signalling current makes electromagnetic coil generate magnetic field, phase of the vibrating diaphragm in electromagnetic coil and magnet by electromagnetic coil
Under interaction, periodically vibration sounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475967.3A CN110503790A (en) | 2018-05-17 | 2018-05-17 | A kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475967.3A CN110503790A (en) | 2018-05-17 | 2018-05-17 | A kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system |
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| Publication Number | Publication Date |
|---|---|
| CN110503790A true CN110503790A (en) | 2019-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810475967.3A Pending CN110503790A (en) | 2018-05-17 | 2018-05-17 | A kind of intelligent terminal insurance storehouse MEMS acceleration transducer burglary-resisting system |
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| CN (1) | CN110503790A (en) |
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| US20100033329A1 (en) * | 2008-08-08 | 2010-02-11 | Xitel Pty. Ltd. | Portable Security Container with Movement Detection System |
| CN104332116A (en) * | 2014-11-04 | 2015-02-04 | 北京联合大学 | Electronic business card and implementation method thereof |
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| CN106408882A (en) * | 2016-11-22 | 2017-02-15 | 任恬叶 | Disaster early warning lamp and disaster early warning system |
| CN206002501U (en) * | 2016-07-15 | 2017-03-08 | 大连民族大学 | Gas concentration detector |
| CN106841681A (en) * | 2017-01-06 | 2017-06-13 | 云南科威液态金属谷研发有限公司 | Electromagnetic type liquid metal acceleration transducer |
| CN107643424A (en) * | 2017-09-21 | 2018-01-30 | 中国电子科技集团公司第四十九研究所 | A kind of pressure resistance type MEMS acceleration chips and preparation method thereof |
-
2018
- 2018-05-17 CN CN201810475967.3A patent/CN110503790A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503487Y (en) * | 2001-04-06 | 2002-07-31 | 中国科学院上海冶金研究所 | Micro-mechanical acceleration transducer of rang reaching 200000/S2 |
| US20100033329A1 (en) * | 2008-08-08 | 2010-02-11 | Xitel Pty. Ltd. | Portable Security Container with Movement Detection System |
| CN104332116A (en) * | 2014-11-04 | 2015-02-04 | 北京联合大学 | Electronic business card and implementation method thereof |
| CN104332010A (en) * | 2014-12-03 | 2015-02-04 | 天津市电视技术研究所 | Antitheft tag for item protection |
| CN104658146A (en) * | 2014-12-31 | 2015-05-27 | 湖南新光井盖科技有限公司 | Device and method for monitoring motion state of well lid based on gravity acceleration sensor |
| CN206002501U (en) * | 2016-07-15 | 2017-03-08 | 大连民族大学 | Gas concentration detector |
| CN106408882A (en) * | 2016-11-22 | 2017-02-15 | 任恬叶 | Disaster early warning lamp and disaster early warning system |
| CN106841681A (en) * | 2017-01-06 | 2017-06-13 | 云南科威液态金属谷研发有限公司 | Electromagnetic type liquid metal acceleration transducer |
| CN107643424A (en) * | 2017-09-21 | 2018-01-30 | 中国电子科技集团公司第四十九研究所 | A kind of pressure resistance type MEMS acceleration chips and preparation method thereof |
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Application publication date: 20191126 |