CN205864758U - A kind of can long distance wireless charging wireless sensor network - Google Patents
A kind of can long distance wireless charging wireless sensor network Download PDFInfo
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- CN205864758U CN205864758U CN201620567600.0U CN201620567600U CN205864758U CN 205864758 U CN205864758 U CN 205864758U CN 201620567600 U CN201620567600 U CN 201620567600U CN 205864758 U CN205864758 U CN 205864758U
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Abstract
The utility model discloses a kind of can long distance wireless charging wireless sensor network, it is characterised in that: include that transmitting terminal and receiving terminal, described transmitting terminal include transmitter module；Described receiving terminal includes sensor node module and energy collection module；Described sensor node module includes sensor unit, microprocessing unit, radio communication unit；Described microprocessing unit includes A/D converter and MCU, and it connects sensor unit and radio communication unit；Described energy collection module includes antenna, rectification circuit, DC/DC transducer, storage capacitor and the Power Management Unit being sequentially connected with；Described Power Management Unit is connected with micro treatment module；Described antenna connects radio communication unit and rectification circuit；Described antenna is dual-band antenna.Wireless sensor network of the present utility model achieves the function of long distance wireless charging, solves the energy supply problem of wireless sensor network.
Description
Technical field
This utility model relates to a kind of wireless sensor network, a kind of can the wireless senser of long distance wireless charging
Network.
Background technology
Self-organization that radio sensing network is made up of low cost, intensity, the node of random distribution and fault-tolerant ability
Make it that the collapse wireless connections of whole system will not be caused to make it dispose because some node damages to be little affected by monitoring object
To affect maintenance cost the lowest.The most this network system can be widely used in national defense and military, environmental monitoring, medical treatment
The fields such as health, Smart Home, manufacturing industry.
But although the application prospect of wireless sensor network the finest electric energy supply mode but becomes its development of restriction
A big problem.Generally use battery that various microdevices are powered, but conventional batteries has what some cannot change
Energy supply defect: volume is big, quality is big, energy supply restricted lifetime and depleted of energy need recharge；Simultaneously at a lot of wireless sensers
In network, use and replace battery, even if the battery of long-life type, being also unpractical, because sensor node often quilt
It is arranged on expendable position, additionally, change the workload of hundreds of battery and cost also can not bear.Along with net
The extensive micro element number of network distribution is more and more huger, and owing to the operating position of some micro element is difficult to touch, such as again
In human body, battlefield animal population battery altering becomes extremely inconvenience, the most impossible, although conventional batteries at energy storage density and
Service life improves constantly, and the energy consumption of sensor is also being reduced by various power-saving technologies and algorithm, but all can only extend wireless
The service life of sensor, and problem can not be solved at all.Visible employing tradition power supply mode is both for wireless network
Uneconomical the most unpractical.
Wireless charging energy supply just becomes particularly important for wireless sensor network, and present many wireless chargings
Mode is short distance charging, and wireless sensor network is generally off-site from charging source, it is impossible to carries out short distance charging, does not reaches charging
Purpose, need to realize long distance wireless charging energy supply.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, it is provided that one converts electrical energy into electromagnetism
Ripple, launches electromagnetic wave, collects electromagnetic wave by antenna simultaneously, be converted into electric energy, carry out the wireless senser of long distance wireless charging
Network.
The technical solution adopted in the utility model is as follows:
This utility model a kind of can long distance wireless charging wireless sensor network, including transmitting terminal and receiving terminal, described
Transmitting terminal includes transmitter module；Described receiving terminal includes sensor node module and energy collection module；Described sensor node
Module includes sensor unit, microprocessing unit, radio communication unit；Described microprocessing unit includes A/D converter and MCU,
It connects sensor unit and radio communication unit；Antenna that described energy collection module includes being sequentially connected with, rectification circuit,
DC/DC transducer, storage capacitor and Power Management Unit；Described Power Management Unit is connected with micro treatment module；Described antenna
Connect radio communication unit and rectification circuit；Described antenna is dual-band antenna, including data feedback channel and down going channel, data feedback channel
The information of carrying out transmission, down going channel carries out energy transmission.
In above structure, dual-band antenna can be provided with energy transfer function, pass through on the basis of original signal transmits
Wireless energy transmission technology, provides wireless remote to power for wireless sensor network, and the energy supply solving wireless sensor network is asked
Topic, provides sufficient electricity for it, extends the life-span of wireless senser；Owing to the voltage of rectification circuit output is the lowest, it is impossible to straight
Connect and power to the load, need DC/DC transducer to boost；Antenna is possible not only to the electromagnetic wave that receiving end/sending end is launched, simultaneously
Base station can be collected, surrounding's ring that wireless network, satellite communication, DMB, TV signal homenergic source are launched
Radio-frequency (RF) energy in border, is converted into electric energy.
This utility model a kind of can long distance wireless charging wireless sensor network, described rectification circuit includes low-pass filtering
Device, commutation diode and straight-through wave filter.
Above structure, commutation diode plays the effect of rectification, used Schottky diode；The work of straight-through wave filter
With being that the harmonic wave stoping diode and diode fore-end to produce passes through, the direct current after rectification is allowed to pass through.
This utility model a kind of can long distance wireless charging wireless sensor network, described low pass filter be electric capacity C1 and
The parallel connection of inductance L1, connects electric capacity C2 and the parallel connection of inductance L2, reconnects electric capacity C3 and the parallel connection of inductance L3；Described straight-through filtering
Device is made up of electric capacity and transmission line.
Above structure, owing to the diode of rectification can produce higher hamonic wave, affects the receptivity of antenna, therefore arranges low
Bandpass filter can stop high fdrequency component, improves the efficiency of rectification；The bar shaped electric capacity that electric capacity is 100pF of straight-through wave filter, passes
Defeated line length is quarter-wave.
This utility model a kind of can long distance wireless charging wireless sensor network, described radio communication unit is
CC2420。
Above structure, radio communication unit is integrated with mu balanced circuit, impedance matching circuit, power amplifier and low noise and puts
Big device, integrated level is high, and performance is good, has the function receiving and launching, and energy consuming ratio is relatively low simultaneously.
This utility model a kind of can long distance wireless charging wireless sensor network, described microprocessing unit is
MSP430F1611, connects radio communication unit by SPI interface.
Above structure, microprocessing unit controls the workflow of whole node, and what responsible node was sampled, and calculated and communicated appoints
Business, carries out the schedule of node tasks, simultaneously to energy transmission in energy collection module, energy conversion and the control of energy storage
System, improves the efficiency of collection of energy.
This utility model a kind of can the wireless sensor network of long distance wireless charging, described Power Management Unit includes described
The energy detector being arranged on storage capacitor, and the overvoltage crowbar and the low-voltage variation that are arranged on battery of mobile phone are electric
Road；Power Management Unit passes through energy detector, the voltage of detection storage capacitor, carries out distribution and the control of electricity, simultaneously profit
The safety of battery of mobile phone is protected with overvoltage crowbar and low-voltage protection circuit.
Overvoltage crowbar in above structure and the setting of low-voltage protection circuit, being because rechargeable batteries has
One safe voltage upper limit, if magnitude of voltage exceedes this upper limit, may cause some permanent damages, energy to battery
Collection module charges the battery, and battery electric quantity constantly promotes, and without overvoltage crowbar, can damage battery life, mistake
Voltage protection circuit has individual secure threshold, exceedes threshold value, and charging circuit disconnects, until recover charging again less than secure threshold；Battery
When electricity is less than certain value in vivo, battery also can therefore suffer from some irreversible injuries, need low-voltage protection circuit to electricity
Pond is protected.Energy detector in Power Management Unit, is intellectual monitoring chip, for monitor real-time charge power with
And state of charge.
This utility model a kind of can long distance wireless charging wireless sensor network, described dual-band antenna includes paster, connects
Floor, dielectric substrate and feeder line；It is provided with dielectric substrate on described earth plate, dielectric substrate has paster, paster connects feedback
Line.
This utility model a kind of can long distance wireless charging wireless sensor network, described transmitter module include agitator,
Manipulator, upconverter, high frequency power amplifier and band filter and dual-mode antenna.
In above structure, agitator, it is used for producing sinusoidal carrier；Manipulator, has been used for the baseband signal tune to carrier wave
System；Upconverter, moves required frequency range by passband signal；High frequency power amplifier, enough for may amplify the signal to
Power is also launched；Band filter, is used for limiting frequency band, does not disturb adjacent channel；Dual-mode antenna, to objective emission electromagnetic wave and
The sending and receiving collection of letters number.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are: for existing wireless
For sensor, the function of the existing radio communication of wireless sensor network of the present utility model, there is again long distance wireless simultaneously and fill
The function of electricity, solves the problem that wireless sensor network energy supply is difficult, low cost simultaneously, and efficiency of transmission is high.
Accompanying drawing explanation
Fig. 1 is that this utility model is a kind of can the structural representation of wireless sensor network of long distance wireless charging.
Fig. 2 is the structure chart of low pass filter in this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.
As it is shown in figure 1, this utility model a kind of can the wireless sensor network of long distance wireless charging, including transmitting terminal and connecing
Receiving end, described transmitting terminal includes transmitter module；Described receiving terminal includes sensor node module and energy collection module；Described biography
Sensor node module includes sensor unit, microprocessing unit, radio communication unit；Described microprocessing unit includes that A/D changes
Device and MCU, it connects sensor unit and radio communication unit；Antenna that described energy collection module includes being sequentially connected with, whole
Current circuit, DC/DC transducer, storage capacitor and Power Management Unit；Described Power Management Unit is connected with micro treatment module；Institute
State antenna and connect radio communication unit and rectification circuit；Described antenna is dual-band antenna, including data feedback channel and down going channel, on
Row of channels carries out information transmission, and down going channel carries out energy transmission.
This utility model a kind of can long distance wireless charging wireless sensor network, described rectification circuit includes low-pass filtering
Device, commutation diode and straight-through wave filter.
Such as Fig. 2, this utility model a kind of can the wireless sensor network of long distance wireless charging, described low pass filter be electric
Hold C1 and the parallel connection of inductance L1, connect electric capacity C2 and the parallel connection of inductance L2, reconnect electric capacity C3 and the parallel connection of inductance L3；Described directly
Bandpass filter is made up of electric capacity and transmission line.
This utility model a kind of can long distance wireless charging wireless sensor network, described radio communication unit is
CC2420。
This utility model a kind of can long distance wireless charging wireless sensor network, described microprocessing unit is
MSP430F1611, connects radio communication unit by SPI interface.
This utility model a kind of can the wireless sensor network of long distance wireless charging, described Power Management Unit includes described
The energy detector being arranged on storage capacitor, and the overvoltage crowbar and the low-voltage variation that are arranged on battery of mobile phone are electric
Road；Power Management Unit passes through energy detector, the voltage of detection storage capacitor, carries out distribution and the control of electricity, simultaneously profit
The safety of battery of mobile phone is protected with overvoltage crowbar and low-voltage protection circuit.
This utility model a kind of can long distance wireless charging wireless sensor network, described dual-band antenna includes paster, connects
Floor, dielectric substrate and feeder line；It is provided with dielectric substrate on described earth plate, dielectric substrate has paster, paster connects feedback
Line.
This utility model a kind of can long distance wireless charging wireless sensor network, described transmitter module include agitator,
Manipulator, upconverter, high frequency power amplifier and band filter and dual-mode antenna.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (8)
1. one kind can the wireless sensor network of long distance wireless charging, it is characterised in that: include transmitting terminal and receiving terminal, described
Sending end includes transmitter module；Described receiving terminal includes sensor node module and energy collection module；Described sensor node mould
Block includes sensor unit, microprocessing unit, radio communication unit；Described microprocessing unit includes A/D converter and MCU, its
Connect sensor unit and radio communication unit；Antenna that described energy collection module includes being sequentially connected with, rectification circuit, DC/
DC transducer, storage capacitor and Power Management Unit；Described Power Management Unit is connected with micro treatment module；Described antenna connects
Radio communication unit and rectification circuit；Described antenna is dual-band antenna, and including data feedback channel and down going channel, data feedback channel is carried out
Information is transmitted, and down going channel carries out energy transmission.
The most according to claim 1 a kind of can long distance wireless charging wireless sensor network, it is characterised in that: described whole
Current circuit includes low pass filter, commutation diode and straight-through wave filter.
The most according to claim 2 a kind of can long distance wireless charging wireless sensor network, it is characterised in that: described low
Bandpass filter is electric capacity C1 and the parallel connection of inductance L1, connects electric capacity C2 and the parallel connection of inductance L2, reconnects electric capacity C3 and inductance L3
Parallel connection；Described straight-through wave filter is made up of electric capacity and transmission line.
The most according to claim 1 a kind of can long distance wireless charging wireless sensor network, it is characterised in that: described nothing
Line communication unit is CC2420.
The most according to claim 1 a kind of can long distance wireless charging wireless sensor network, it is characterised in that: described micro-
Processing unit is MSP430F1611, connects radio communication unit by SPI interface.
The most according to claim 1 a kind of can long distance wireless charging wireless sensor network, it is characterised in that: described electricity
Source control unit include described in the energy detector that is arranged on storage capacitor, and the overvoltage protection being arranged on battery of mobile phone
Circuit and low-voltage protection circuit；Power Management Unit passes through energy detector, the voltage of detection storage capacitor, carries out dividing of electricity
Join and control, utilizing overvoltage crowbar and the safety of low-voltage protection circuit protection battery of mobile phone simultaneously.
The most according to claim 1 a kind of can the wireless sensor network of long distance wireless charging, it is characterised in that: described double
Frequently antenna includes paster, earth plate, dielectric substrate and feeder line；It is provided with dielectric substrate on described earth plate, dielectric substrate has
Paster, paster connects feeder line.
The most according to claim 1 a kind of can long distance wireless charging wireless sensor network, it is characterised in that: described
Penetrate module and include agitator, manipulator, upconverter, high frequency power amplifier and band filter and dual-mode antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567600.0U CN205864758U (en) | 2016-06-14 | 2016-06-14 | A kind of can long distance wireless charging wireless sensor network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567600.0U CN205864758U (en) | 2016-06-14 | 2016-06-14 | A kind of can long distance wireless charging wireless sensor network |
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| Publication Number | Publication Date |
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| CN205864758U true CN205864758U (en) | 2017-01-04 |
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| CN201620567600.0U Active CN205864758U (en) | 2016-06-14 | 2016-06-14 | A kind of can long distance wireless charging wireless sensor network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849379A (en) * | 2017-03-15 | 2017-06-13 | 南京邮电大学 | Electromagnetic energy based on wide-band and wave-absorbing device is collected, stored and electric supply installation |
| CN108337722A (en) * | 2018-02-28 | 2018-07-27 | 华东交通大学 | A kind of Rechargeable wireless sensor network nodes |
-
2016
- 2016-06-14 CN CN201620567600.0U patent/CN205864758U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849379A (en) * | 2017-03-15 | 2017-06-13 | 南京邮电大学 | Electromagnetic energy based on wide-band and wave-absorbing device is collected, stored and electric supply installation |
| CN108337722A (en) * | 2018-02-28 | 2018-07-27 | 华东交通大学 | A kind of Rechargeable wireless sensor network nodes |
| CN108337722B (en) * | 2018-02-28 | 2024-05-17 | 华东交通大学 | Chargeable formula wireless sensor network node |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Jingzhi Inventor before: Wang Xiang |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170424 Address after: 510700 Guangdong, Whampoa, Guangzhou Development Zone Road, General paragraph, Guangzhou, Whampoa, No. 8 West of the engineering machinery Park, building C3 Patentee after: Guangzhou way-easy Automation Co., Ltd. Address before: Wuhou District gold Yanlu Chengdu city in Sichuan province 610041 288 2 unit 5 Building No. 2 Patentee before: Wang Xiang |
|
| TR01 | Transfer of patent right |