CN107607253A - Inductive power supply formula can remember non-contact wireless pressure sensor - Google Patents
Inductive power supply formula can remember non-contact wireless pressure sensor Download PDFInfo
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- CN107607253A CN107607253A CN201710829072.0A CN201710829072A CN107607253A CN 107607253 A CN107607253 A CN 107607253A CN 201710829072 A CN201710829072 A CN 201710829072A CN 107607253 A CN107607253 A CN 107607253A
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- signal
- pressure sensor
- power supply
- monitoring terminal
- contact wireless
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Abstract
Inductive power supply formula can remember non-contact wireless pressure sensor, belong to sensor field, and the present invention is to solve the problems, such as that conventional contact pressure sensor can not meet Aero-Space requirement.The present invention includes handheld terminal and monitoring terminal, and monitoring terminal is embedded in testee, and energy and data are transmitted by electromagnetic induction between handheld terminal and monitoring terminal；Handheld terminal sends electric energy using power coil, and monitoring terminal receives the electric energy using induction coil, and provides working power for monitoring terminal inner member；Monitoring terminal monitors the pressure signal of testee, and is released by induction coil, and handheld terminal receives the pressure signal using power coil.
Description
Technical field
The invention belongs to sensor field, is related to contactless pressure sensor.
Background technology
Pressure sensor is a most widely used branch in sensor family, is led in Aeronautics and Astronautics, industrial production
Domain, more pressure drags ripe using tradition, piezoelectric principle are designed, i.e., sensing element is pressed to experience made of monocrystalline silicon principle
Force signal, voltage output is converted to by Wheatstone bridge, compensation circuit is balanced compensation, signal condition to Wheatstone bridge
Circuit is that the voltage signal of pressure-sensing device output is amplified conditioning, and filter circuit is filtered to interference signal, is carried
The precision and stability of high pressure measurement of force component, output is set to meet to require.It is in terms of power supply to use battery powered more, and
It is connected by wire with signal handling equipment, it is more in message transmitting procedure to be passed by wired mode by electric connector
It is defeated, it is that precision is high, stability is good the advantages of this design, cost is low, but also limit application environment and the use of sensor
Life-span.
With the continuous improvement of automaticity, hollow compact-sized, the power supply control of Aeronautics and Astronautics neighborhood system level engineering
System is strict, it is most important that can not often dismantle after device installation, conventional contact pressure sensor can not be complete in this case
Into the independent test requirement of device, once exception occurs in system, fast positioning, analysis are difficult to realize, it is impossible to meet to improve constantly
System high security, intelligent and testbility demand.
The content of the invention
The invention aims to solve the problems, such as that conventional contact pressure sensor can not meet Aero-Space requirement, carry
A kind of inductive power supply formula has been supplied to remember non-contact wireless pressure sensor.
Inductive power supply formula of the present invention, which can remember non-contact wireless pressure sensor, includes handheld terminal and monitoring terminal,
Monitoring terminal is embedded in testee, and energy and data are transmitted by electromagnetic induction between handheld terminal and monitoring terminal；
Handheld terminal sends electric energy using power coil, and monitoring terminal receives the electric energy using induction coil, and is prison
Survey terminal inner element and working power is provided；
Monitoring terminal monitors the pressure signal of testee, and is released by induction coil, and handheld terminal utilizes confession
Electric coil receives the pressure signal.
Preferably, handheld terminal includes No.1 processor, signal generator, power amplifier, power coil and No.1 signal condition
Module, No.1 processor to signal generator assign power supply instruction, signal generator output signal amplified by power amplifier after, via
Power coil sends corresponding electric energy；
Power coil receives the pressure signal of monitoring terminal issue, and No.1 is transferred to after the processing of No.1 Signal-regulated kinase
In processor, data receiver is realized.
Preferably, handheld terminal also includes keyboard and liquid crystal display, and keyboard is used to provide external command, liquid to No.1 processor
Crystalline substance shields the data message for showing No.1 processor transmission.
Preferably, monitoring terminal include induction coil, power management module, No. two processors, No. two Signal-regulated kinases,
Pressure sensor and impedance matching unit；
Induction coil receives the electric energy that power coil is sent, and the electric energy is No. two processing after power management module is handled
Device, No. two Signal-regulated kinases and pressure sensor provide working power；
Pressure sensor obtains the pressure signal of testee, and the pressure signal is after No. two Signal-regulated kinases are handled
No. two processors are passed to, and are released under the resonance signal control of impedance matching unit via induction coil.
Preferably, monitoring terminal also includes memory, and memory is used to store pressure signal data.
Preferably, monitoring terminal also includes warning device, when monitoring the pressure signal exception of testee, at No. two
Reason device control warning device is alarmed.
Preferably, No.1 processor and No. two processors are realized using single-chip microcomputer.
Impedance matching unit is realized using LC oscillation circuits.
Beneficial effects of the present invention：
Power supply unit of the present invention is designed using electromagnetic induction principle, is used air as loose coupling medium, is passed through high frequency spoke
The mode penetrated for load equipment provide it is clean, stably, the electric energy of safety, automatic detection center is realized by Electric control in system
The deviation of axle and the direction of ring, solve the problems, such as that the power transmission efficiency caused by position deviation reduces, realize
High efficiency power.It is this to design mobile flexibility and the environmental suitability for substantially increasing equipment.Distance of reaction：10cm.
The present invention is designed using inductive power supply and communication, is efficiently solved in system engineering because space is tight
Gather, power shortage, device can not dismantle caused by pressure parameter can not independent accurate measurement problem, realize gas pressure parameter
Passive, non-contact reliable monitoring and transmission of wireless signals, verify for malfunction elimination, system and provide beasurement base, greatly improve and are
The security of system, intelligent and testability.
The present invention substantially increases using flexible, environmental suitability, testability and the maintainability of equipment, full well
Foot is spaceborne, the accuracy of device, intelligent, testability requirement in missile-borne subsystem, and tomorrow requirement amount is big, and economic benefit shows
Write.
Brief description of the drawings
Fig. 1 is the theory diagram that inductive power supply formula of the present invention can remember non-contact wireless pressure sensor.
Embodiment
Embodiments of the present invention are described in detail below with reference to drawings and Examples, and how the present invention is applied whereby
Technological means solves technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.Need to illustrate
As long as not forming conflict, each feature in embodiment in the present invention can be combined with each other, the technical scheme formed
Within protection scope of the present invention.
Referring to Fig. 1, handheld terminal includes No.1 processor 1, signal generator 2, power amplifier 3, power coil 4, No.1 signal
Conditioning module 5, keyboard 6 and liquid crystal display 7, monitoring terminal include induction coil 8, power management module 9, at memory 10, two
Manage 11, No. two Signal-regulated kinases 12 of device, pressure sensor 13, impedance matching unit 14 and warning device 15；
No.1 processor 1 assigns power supply instruction to signal generator 2, and the signal that signal generator 2 exports is amplified by power amplifier 3
Afterwards, corresponding electric energy is sent via power coil 4；Induction coil 8 receives the electric energy that power coil 4 is sent, and the electric energy is through power supply
After the processing of management module 9 work is provided for the Signal-regulated kinase 12 of processor 11, two of memory 10, two and pressure sensor 13
Make power supply；
Pressure sensor 13 obtain testee pressure signal, the pressure signal through No. two Signal-regulated kinases 12 at
No. two processors 11 are passed to after reason, and are issued out under the resonance signal control of impedance matching unit 14 via induction coil 8
Go.Power coil 4 receives the pressure signal of monitoring terminal issue, is transferred to after the processing of No.1 Signal-regulated kinase 5 at No.1
Manage in device 1, realize data receiver.
Keyboard 6 is used to provide external command to No.1 processor 1, and liquid crystal display 7 is used for the number for showing that No.1 processor 1 transmits
It is believed that breath.
Pressure signal is filtered through No. two Signal-regulated kinases 12, entered after enhanced processing at No. two in present embodiment
Enter Mobile state compensation, amendment in reason device 11, substantially increase the accuracy of measurement and the environmental suitability of product.Precision：0.1%
FS。
In present embodiment through No. two processors 11 treat pressure signal data be stored in memory 10, can at any time according to
Communication instruction carries out read/write operation, solves the problems, such as data record inconvenience under particular surroundings, and effectively increase system can
Memorability.
Pressure signal is handled by impedance matching unit 14 in present embodiment, is coupled a signal to induction coil 8, is passed through
Sensing is sent to handheld terminal, communication baud rate 400kbps, solves the problems, such as wireless telecommunications well, meets signal
Dynamic response requirement.It is this research based on capacitance-inductance principle design, sensor in the operating condition when, ambient pressure effect
Cause capacitor's capacity to change on electric capacity C, by the resonant frequency f also respective changes of C and L the LC resonant tanks formed, pass through electricity
Sense Mutual Inductance Coupling realizes the transmission of energy and capacitance change signal, so as to realize the detection of pressure.
Pressure signal is analyzed in No. two processors 11 in present embodiment, when an abnormality is discovered, is filled by alarming
15 carry out sound and light alarms are put, to find failure in the very first time, timely processing, substantially increase the safety in utilization of equipment.
Although disclosed herein embodiment as above, described content only to facilitate understand the present invention and adopt
Embodiment, it is not limited to the present invention.Any those skilled in the art to which this invention pertains, this is not being departed from
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But the scope of patent protection of the present invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (8)
1. inductive power supply formula can remember non-contact wireless pressure sensor, it is characterised in that including handheld terminal and monitoring terminal,
Monitoring terminal is embedded in testee, and energy and data are transmitted by electromagnetic induction between handheld terminal and monitoring terminal；
Handheld terminal sends electric energy using power coil, and monitoring terminal receives the electric energy using induction coil, and for monitoring eventually
Inner member is held to provide working power；
Monitoring terminal monitors the pressure signal of testee, and is released by induction coil, and handheld terminal utilizes supply lines
Circle receives the pressure signal.
2. inductive power supply formula can remember non-contact wireless pressure sensor according to claim 1, it is characterised in that hand-held whole
Holding includes No.1 processor (1), signal generator (2), power amplifier (3), power coil (4) and No.1 Signal-regulated kinase (5), and one
Number processor (1) assigns power supply instruction to signal generator (2), and the signal of signal generator (2) output is amplified by power amplifier (3)
Afterwards, corresponding electric energy is sent via power coil (4)；
Power coil (4) receives the pressure signal of monitoring terminal issue, and one is transferred to after No.1 Signal-regulated kinase (5) processing
In number processor (1), data receiver is realized.
3. inductive power supply formula can remember non-contact wireless pressure sensor according to claim 2, it is characterised in that hand-held whole
End also includes keyboard (6) and liquid crystal display (7), and keyboard (6) is used to provide external command to No.1 processor (1), and liquid crystal display (7) is used
In the data message that display No.1 processor (1) transmits.
4. non-contact wireless pressure sensor can be remembered according to the inductive power supply formula of claim 1,2 or 3, it is characterised in that
Monitoring terminal include induction coil (8), power management module (9), No. two processors (11), No. two Signal-regulated kinases (12),
Pressure sensor (13) and impedance matching unit (14)；
Induction coil (8) receives the electric energy that power coil (4) is sent, and the electric energy is two after power management module (9) processing
Number processor (11), No. two Signal-regulated kinases (12) and pressure sensor (13) provide working power；
Pressure sensor (13) obtains the pressure signal of testee, and the pressure signal is through No. two Signal-regulated kinase (12) places
No. two processors (11) are passed to after reason, and via induction coil (8) under the resonance signal control of impedance matching unit (14)
Release.
5. inductive power supply formula can remember non-contact wireless pressure sensor according to claim 4, it is characterised in that monitoring is eventually
End also includes memory (10), and memory (10) is used to store pressure signal data.
6. inductive power supply formula can remember non-contact wireless pressure sensor according to claim 5, it is characterised in that monitoring is eventually
End also includes warning device (15), when monitoring the pressure signal exception of testee, No. two processor (11) control alarms
Device (15) is alarmed.
7. inductive power supply formula can remember non-contact wireless pressure sensor according to claim 4, it is characterised in that at No.1
Reason device (1) and No. two processors (11) are realized using single-chip microcomputer.
8. inductive power supply formula can remember non-contact wireless pressure sensor according to claim 4, it is characterised in that impedance
Realized with unit (14) using LC oscillation circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829072.0A CN107607253A (en) | 2017-09-14 | 2017-09-14 | Inductive power supply formula can remember non-contact wireless pressure sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829072.0A CN107607253A (en) | 2017-09-14 | 2017-09-14 | Inductive power supply formula can remember non-contact wireless pressure sensor |
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| CN107607253A true CN107607253A (en) | 2018-01-19 |
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| CN201710829072.0A Pending CN107607253A (en) | 2017-09-14 | 2017-09-14 | Inductive power supply formula can remember non-contact wireless pressure sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487452A (en) * | 2019-08-27 | 2019-11-22 | 清华大学深圳研究生院 | A kind of Bionic flexible pressure sensor, device for pressure measurement and monitoring system |
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| CN2666013Y (en) * | 2003-10-31 | 2004-12-22 | 宏碁股份有限公司 | Non-contact inductive charger for hand-held device |
| CN103759882A (en) * | 2013-12-29 | 2014-04-30 | 中北大学 | Device for testing space external pressure of high-speed aircraft |
| CN104713653A (en) * | 2013-12-11 | 2015-06-17 | 姚萍 | Wireless multi-channel temperature acquisition system |
| CN204992723U (en) * | 2015-09-17 | 2016-01-20 | 广州杰赛科技股份有限公司 | Wireless charging device and system of sensor |
| CN106510650A (en) * | 2016-11-30 | 2017-03-22 | 广州视源电子科技股份有限公司 | Electronic thermometer and body temperature measurement system |
| CN107063084A (en) * | 2017-02-14 | 2017-08-18 | 易思维（天津）科技有限公司 | Visual precision measurement wireless sensor |
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2017
- 2017-09-14 CN CN201710829072.0A patent/CN107607253A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2666013Y (en) * | 2003-10-31 | 2004-12-22 | 宏碁股份有限公司 | Non-contact inductive charger for hand-held device |
| CN104713653A (en) * | 2013-12-11 | 2015-06-17 | 姚萍 | Wireless multi-channel temperature acquisition system |
| CN103759882A (en) * | 2013-12-29 | 2014-04-30 | 中北大学 | Device for testing space external pressure of high-speed aircraft |
| CN204992723U (en) * | 2015-09-17 | 2016-01-20 | 广州杰赛科技股份有限公司 | Wireless charging device and system of sensor |
| CN106510650A (en) * | 2016-11-30 | 2017-03-22 | 广州视源电子科技股份有限公司 | Electronic thermometer and body temperature measurement system |
| CN107063084A (en) * | 2017-02-14 | 2017-08-18 | 易思维（天津）科技有限公司 | Visual precision measurement wireless sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487452A (en) * | 2019-08-27 | 2019-11-22 | 清华大学深圳研究生院 | A kind of Bionic flexible pressure sensor, device for pressure measurement and monitoring system |
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