CN106887894A - A kind of wireless sensor node system and wireless sensor network - Google Patents
A kind of wireless sensor node system and wireless sensor network Download PDFInfo
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- CN106887894A CN106887894A CN201710174489.8A CN201710174489A CN106887894A CN 106887894 A CN106887894 A CN 106887894A CN 201710174489 A CN201710174489 A CN 201710174489A CN 106887894 A CN106887894 A CN 106887894A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to a kind of long-term self power generation, the wireless sensor node system and wireless sensor network of energy source long lifespan.The wireless sensor node system includes：Sensor, for gathering environmental information to export sensing data；Main controller, is connected with the sensor, for reading the sensing data；Wireless launcher, is connected with the main controller, for according to the control of main controller to emission described in sensing data；Energy device, is connected with the sensor and main controller, is that the sensor and main controller provide electric energy；Wherein, the energy device is self-generating energy storing device, and electric energy is stored using energy capacitance set during self power generation, and start after electric energy reaches given threshold main controller read the sensing data, by wireless launcher to emission.The wireless sensor network includes radio network gateway and multiple wireless sensor node systems.Above-mentioned wireless sensor node system and radio sensing network, can solve the problems, such as the long-term energy supply of wireless senser.
Description
Technical field
The present invention relates to wireless sensor network technology field, more particularly to a kind of wireless sensor node system and nothing
Line sensor network.
Background technology
With the development and progress of technology of Internet of things, the demand for sensor is more urgent, to sensor power module
Powerup issue it is also proposed severe challenge.The limiting factors such as the life-span due to battery, and human lives multiple demand,
Many sensors are needed to be placed in unfrequented region, and battery cannot be changed in most cases.
It has been reported that wireless sensing self-powered scheme just like Application No. [201310018190.5] and application number
Wireless sensing system is automatically supplied each to report a kind of energy in the patent of [201410593958.6], although realize confession
Give, but the still solar cell being to provide is the scheme of energy source, is still limited by the factors such as battery life；Application No.
[201410684064.4] a kind of wireless sensing device powered there is provided utilization mine motive force source, still needs battery
Storage electricity, is still limited by battery life；Application No. [201510738405.X] provides a kind of radio sensing network node
Scheme, still realizes automatically supplying using battery；A kind of utilization that report of Application No. [201310346849.X] senses alternation
High pressure power plant come take can, for the power supply of follow-up wireless sensor node, be suitably applied the high-voltage power supplies such as high voltage variable website attached
Closely；Application No. [201420158434.X] and Application No. [201510460201.4] the one kind that reports is with thermo-electric generation
Machine is the wireless sensor node system of energy source, and it with the temperature difference is energy source applicable elements also than relatively limited to be due to it.Application
Number report a kind of underground from function environment monitoring system for [201620315381.7], it simultaneously with ceramic transducer and
Traditional wind is energy source, it is difficult to the characteristics of breaking away from heavy poor mobility, it is difficult to realize distributed development.Application number
Ocean wave energy is utilized to be generated electricity by piezoelectric principle there is provided one kind for [201520286398.X], storage electric charge generates electricity and is used for
Radio sensing network, only conceptually puts forth an idea, and does not provide specific implementation；Application No.
[201420547138.9] and [20150845831.3] it is same, although devise a kind of power supply for wireless sensing,
Fail to provide the concrete scheme for realizing being wirelessly transferred, automatically supply radio sensing network and still rest on concept aspect.Application number
For [201110414062.3] automatically supply wireless network node concrete scheme there is provided a kind of based on vibration mechanical energy, and have
Complete circuit design, but the data for being specifically wirelessly transferred and successfully realizing are not given, also only reside within design level.
The content of the invention
Based on this, it is necessary to provide it is a kind of can self power generation for a long time, the wireless sensor node system of energy source long lifespan.
A kind of wireless sensor node system, including：
Sensor, for gathering environmental information to export sensing data；
Main controller, is connected with the sensor, for reading the sensing data；
Wireless launcher, is connected with the main controller, for according to the control of main controller to emission described in sensing data；
Energy device, is connected with the sensor and main controller, is that the sensor and main controller provide electric energy；
Wherein, the energy device includes the wind-power generation unit based on pipeline wind-force source, energy capacitance set and power supply
Management module；The wind-power generation unit includes multiple power generating devices for being located at and having in the ventilation shaft of fixed wind speed；It is multiple
The output end of power generating device is connected to rectifier bridge；The output end of the rectifier bridge is connected to energy capacitance set；The storage capacitor
Group stores electric energy in wind-power generation unit power generation process；
The power management module is connected with the energy capacitance set, after the voltage of energy capacitance set reaches given threshold
Start main controller and read the sensing data and by wireless launcher to emission.
Wherein in one embodiment, the power generating device includes support film, frictional layer, electret layer and electrode
Layer, wherein the frictional layer is stacked with support film, electret layer is stacked with electrode layer, and frictional layer and electrode layer
Electrical connection, the negatively charged treatment of electret layer.
Wherein in one embodiment, the power management module includes power management chip；The power management chip
The voltage of input rectifying bridge output, and energy capacitance set is connected, exported with after the voltage of energy capacitance set reaches given threshold
Voltage starting main controller.
Wherein in one embodiment, the power management chip LTC3588-1；
The PZ1 pins of the power management chip LTC3588-1, the voltage of PZ2 pin input rectifyings bridge output；
The VIN pins of the power management chip LTC3588-1 are connected with the positive pole of the energy capacitance set, the energy storage
The negative pole ground connection of capacitance group；
The SW pins of the power management chip LTC3588-1 are connected by inductance with VOUT pins；
Electric capacity is also connected between the VIN pins and CAP pins of the power management chip LTC3588-1.
Wherein in one embodiment, the power management module also includes high-voltage capacitance group；
The VOUT pins of the power management chip LTC3588-1 are connected with the positive pole of the high-voltage capacitance group, the height
The negative pole ground connection of voltage capacitance group.
Wherein in one embodiment, the main controller is microcontroller Si4010；
The TXP pins and TXM pins of the microcontroller Si4010 are connected with wireless launcher；
The universal input output pin of the microcontroller Si4010 is connected with sensor.
Wherein in one embodiment, the sensor is that temperature sensor, humidity sensor, gas sensor or light are passed
Sensor.
Wherein in one embodiment, the temperature sensor uses chip Si705x；The VDD pins of chip Si705x are defeated
Enter the voltage of energy module offer, SDA pins and SCL pins carry out I2C and be connected with main controller respectively.
A kind of wireless sensor network, including radio network gateway and multiple above-mentioned wireless sensor node systems, the nothing
Gauze is closed and multiple wireless sensor node system communication connections.
Wherein in one embodiment, the radio network gateway includes the wireless receiver, raspberry group and the network that are sequentially connected
Unit.
Above-mentioned wireless sensor node system and radio sensing network, by self power generation and the energy device energy supply of energy storage,
Solve the problems, such as the long-term energy supply of wireless senser.Meanwhile, when the energy of self power generation can be used to send sensor signal, open certainly
Dynamic main controller reads sensing data and sends from sensor, can both ensure the collection of sensing data, and energy is saved again.Overcome
Conventional wind TRT is heavy, big, portable difference, the cost of taking up room shortcoming high.
Brief description of the drawings
Fig. 1 is the topological diagram of radio sensing network；
Fig. 2 is the wireless sensor node system module map of an embodiment；
Fig. 3 is the module map of the radio network gateway of one embodiment；
Fig. 4 a are the workflow diagram of wireless sensor node system shown in Fig. 2；
Fig. 4 b are the workflow diagram of the radio network gateway shown in Fig. 3；
Fig. 5 is using the module connection diagram of temperature sensor；
Fig. 6 is circuit theory diagrams of the main controller using microcontroller Si4010；
Fig. 7 is energy device module map；
Generator unit is defeated when Fig. 8 provides the pipeline gas flowing of 18m/s for air blower in test process for generator unit
The test chart that the open-circuit voltage for going out is changed over time；
Fig. 9 a are the curve map of capacitance group Co and capacitance group Cs charging interval and charging voltage in the course of the work；
Fig. 9 b are power management chip charging interval and charging voltage and the curve map of electric current in the course of the work；
Figure 10 is circuit theory diagrams of the power management module using power management chip LTC3588-1.
Specific embodiment
It is further described below in conjunction with drawings and Examples.
Fig. 1 is the topological diagram of radio sensing network.The wireless sensor network includes multiple wireless sensor node systems
10th, radio network gateway 20 and display terminal 30, the radio network gateway 20 are communicated to connect with multiple wireless sensor node systems 10, nothing
Gauze closes 20 and passes through network connection with display terminal 30.Wireless sensor node system 10 collects environmental information generation sensing number
According to, and it is sent to the radio network gateway 20 being attached thereto.The sensing data is sent to display terminal 30 and carried out by radio network gateway 20
Display.
Fig. 2 is the wireless sensor node system module map of an embodiment.The wireless sensor node system 10 includes passing
Sensor 100, main controller 200, wireless launcher 300 and energy device 400.Wherein, sensor 100 is used to collect environmental information
Generation sensing data.Main controller 200 starts when the energy supply of energy device 400 is enough, reads the sensing data, and control wireless
Transmitter 300 is by the sensing data to radio network gateway 20.Fig. 3 is the module map of the radio network gateway of one embodiment.The nothing
Gauze closes 20 includes that the wireless receiver 210, raspberry being sequentially connected sends 220 and NE 230.Wireless receiver 210 can be with
Using chip Si4355, the sensing data from wireless launcher 300 is received.Wireless receiver 210 sends 220 by biography by raspberry
Data is activation is felt to NE 230, such that it is able to be sent out by network.Display terminal 30 gets the biography from network
Sense data are shown.Wherein, the energy device 400 is self-generating energy storing device, using energy storage electricity during self power generation
Appearance group (not shown) stores electric energy, and startup main controller 200 reads the sensing data, passes through after electric energy reaches given threshold
Wireless launcher 300 is to emission.
Above-mentioned wireless sensor node system is supplied by self power generation and the energy device 400 using energy capacitance set energy storage
Can, energy capacitance set will not be limited by as battery life, solve the problems, such as the long-term energy supply of wireless senser.Meanwhile,
When the energy of self power generation can be used to send sensor signal, it is concurrent that self-starting main controller 200 reads sensing data from sensor 100
Send, can both ensure the collection of sensing data, energy is saved again.
As shown in fig. 4 a, above-mentioned wireless sensor node system is worked using following flow.
Step S110：Energy device self power generation simultaneously stores electric energy.
Step S120：Judge that whether enough electric energy, if so, then performing step S130, otherwise performs step S110.
Step S130：Start main controller and read sensing data.
Step S140：Main controller is encoded to sensing data.
Step S150：Main controller controls wireless launcher transmission signal.
As shown in Figure 4 b, above-mentioned radio network gateway is worked using following flow.
Step S210：The signal to be received such as wireless receiver.
Step S220：Whether effectively to judge signal, if effectively, performing step S240, otherwise perform step S230, and turn
To step S210.
Step S230：Abandon invalid signals data.
Step S240：Raspberry group receives the signal and carries out data processing.
Step S250：Data after treatment are sent to network by NE.
Sensor 100 can be the multiple sensors such as temperature sensor, humidity sensor or gas sensor.In this reality
Apply in example, the example of sensor 100 is temperature sensor, and using chip Si7055.As shown in figure 5, the VDD of chip Si7055 draws
Voltage, SDA pins and the SCL pins that pin input energy module 400 is provided are exported and are input into by I2C modes respectively.Wherein SDA
The exportable temperature data of pin, i.e., above-mentioned sensing data.
In one embodiment, as shown in fig. 6, main controller 200 can use microcontroller Si4010.The microcontroller
The TXP pins and TXM pins of Si4010 are connected with wireless launcher 300.The universal input output of the microcontroller Si4010
Pin is connected with sensor 100.Corresponding to above-mentioned temperature sensor, the GPIO4 of the microcontroller Si4010 of the present embodiment draws
Pin is connected with the SDA pins of chip Si7055, the LED pins of microcontroller Si4010 are connected with the SCL pins of chip Si7055.
Wherein, Vout voltage is supplied by energy device 400.Wireless launcher 300 includes antenna and its match circuit.It is appreciated that
Main controller 200 is not limited to using microcontroller Si4010.
When energy module 400 power storage to a certain extent after, main controller 200 receive Vout voltage be input into and start,
Then temperature data is read from the SDA pins of chip Si7055 by GPIO4 pins, by wireless launcher 300 to emission.
Wherein, the electric energy of temperature sensor can also be supplied by Vout.
In one embodiment, as shown in fig. 7, the energy device 400 includes energy collection module 410 and power management
Module 420.The energy collection module 410 is used to collect environmental energy with self power generation and be transferred to the energy capacitance set.Institute
State power management module 420 to be connected with energy capacitance set, output supplies master control after the voltage of energy capacitance set reaches given threshold
The voltage of the work of device 200.The environmental energy that energy collection module 410 is collected can be wind energy or solar energy etc..In the present embodiment
In, energy collection module 410 includes the wind-power generation unit based on pipeline wind-force source, and the wind-power generation unit includes multiple positions
Nano level power generating device in ventilation shaft；The output end of multiple power generating devices is connected to rectifier bridge；The rectifier bridge
Output end is connected to energy capacitance set.The power generating device includes support film, frictional layer, electret layer and electrode layer, its
Described in frictional layer be stacked with support film, electret layer is stacked with electrode layer, and frictional layer is electrically connected with electrode layer
Connect, the negatively charged treatment of electret layer.
Support film is waved under the action of the forces of the wind, and drives the frictional layer in support film to wave so that frictional layer with
Electret layer is contacted, and after contact, the surface of electret layer carries negative electrical charge, and the surface of frictional layer carries positive charge.Work as friction
After layer is separated with electret layer, in order to reach on balance electret layer, electrons flow to electrode layer by frictional layer so that electricity
Pole layer carries positive charge, and the process can form electric signal and outwards export, and this is triboelectricity process.
Further, since electrode layer is electrically connected with frictional layer, electret layer is thus negatively charged treatment, and the material of frictional layer to lead
Electric material so that when frictional layer is not contacted with electret layer, electret layer, electrode layer and the frictional layer for storing electric charge is constituted
Capacitance structure, the effect due to support film in wind-force is waved so that electrode layer is continually changing with the distance of frictional layer, causes electricity
The capacitance for holding structure is changed, and electric charge is constantly redistributed between electrode layer and frictional layer, and this is electrostatic generating process.
Because the support film of above-mentioned power generating device can wave under the action of the forces of the wind, and drive metal level and frictional layer
Wave, metal level is contacted with electrode layer, to realize triboelectricity；Meanwhile, when frictional layer is not contacted with electret layer, due to
Electret layer is thus negatively charged treatment so that electret layer, electrode layer and the metal level for storing electric charge constitute capacitance structure, work as branch
Support film layer can wave under the action of the forces of the wind so that electrode layer is continually changing with the distance of metal level, causes capacitance structure
Capacitance is changed, and electric charge is constantly redistributed between electrode layer and metal level, to realize electrostatic generating, so as to by electrostatic
Generate electricity and triboelectricity is combined together, the output performance of generator unit can be effectively improved.
Generator unit is defeated when Fig. 8 provides the pipeline gas flowing of 18m/s for air blower in test process for generator unit
The test chart that the open-circuit voltage for going out is changed over time.
Fig. 9 a are the curve map of capacitance group Co and capacitance group Cs charging interval and charging voltage in the course of the work.Fig. 9 b are
The curve map of power management chip charging interval and charging voltage and electric current in the course of the work.
In one embodiment, as shown in Figure 10, the power management module 420 includes power management chip LTC3588-
1 and energy capacitance set Cs.The PZ1 pins of the power management chip LTC3588-1, PZ2 pin input energies collection module 410
The voltage of output.The VIN pins of the power management chip LTC3588-1 are connected with the positive pole of the energy capacitance set Cs, institute
State the negative pole ground connection of energy capacitance set Cs.The SW pins of the power management chip LTC3588-1 are drawn by inductance L1 and VOUT
Pin is connected.Electric capacity C1 is also connected between the VIN pins and CAP pins of the power management chip LTC3588-1.Work as storage capacitor
When the electricity of group Cs storages reaches given threshold, discharged by pin Vout.The capacity of energy capacitance set Cs is preferably 470
μF。
Further, the power management module 420 can also include high-voltage capacitance group Co.The power management chip
The VOUT pins of LTC3588-1 are connected with the positive pole of the high-voltage capacitance group Co, the negative pole ground connection of the high-voltage capacitance group Co.Electricity
The D0 pins of source control chip LTC3588-1 are mode selection pin with D1 pins, and the two can by setting that low and high level has altogether
To set 4 kinds of mode of operations, 4 different voltages of 1.8V, 2.5V, 3.3V, 3.6V are exported.What high-voltage capacitance group Co passed through releases
Electric discharge lotus forms flashy high level to aid in setting the mode of operation of power management chip LTC3588-1.High-voltage capacitance group
The capacity of Co is preferably 430 μ F.
Above-mentioned main controller 200, wireless launcher 300 and PMU 420 can be integrated on one piece of pcb board.
Sensor 100 can be provided separately within one piece of pcb board, be then connected by holding wire with main controller 200.Energy collection module
410 as single device, and can be electrically connected by wire with PMU 420.
Above-mentioned wireless sensor node system and radio sensing network, by self power generation and the energy device energy supply of energy storage,
Solve the problems, such as the long-term energy supply of wireless senser.Meanwhile, when the energy of self power generation can be used to send sensor signal, open certainly
Dynamic main controller reads sensing data and sends from sensor, can both ensure the collection of sensing data, and energy is saved again.Overcome
Conventional wind TRT is heavy, big, portable difference, the cost of taking up room shortcoming high.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of wireless sensor node system, including：
Sensor, for gathering environmental information to export sensing data；
Main controller, is connected with the sensor, for reading the sensing data；
Wireless launcher, is connected with the main controller, for according to the control of main controller to emission described in sensing data；
Energy device, is connected with the sensor and main controller, is that the sensor and main controller provide electric energy；
Wherein, the energy device includes the wind-power generation unit based on pipeline wind-force source, energy capacitance set and power management
Module；The wind-power generation unit includes multiple power generating devices for being located at and having in the ventilation shaft of fixed wind speed；Multiple generates electricity
The output end of device is connected to rectifier bridge；The output end of the rectifier bridge is connected to energy capacitance set；The energy capacitance set exists
Electric energy is stored in wind-power generation unit power generation process；
The power management module is connected with the energy capacitance set, starts after the voltage of energy capacitance set reaches given threshold
Main controller reads the sensing data and by wireless launcher to emission.
2. wireless sensor node system according to claim 1, it is characterised in that the power generating device includes that support is thin
Film, frictional layer, electret layer and electrode layer, wherein the frictional layer is stacked with support film, electret layer and electrode
Layer stackup is set, and frictional layer is electrically connected with electrode layer, the negatively charged treatment of electret layer.
3. wireless sensor node system according to claim 1, it is characterised in that the power management module includes electricity
Source control chip；The voltage of the power management chip input rectifying bridge output, and energy capacitance set is connected, with storage capacitor
Output voltage starts main controller after the voltage of group reaches given threshold.
4. wireless sensor node system according to claim 3, it is characterised in that the power management chip
LTC3588-1；
The PZ1 pins of the power management chip LTC3588-1, the voltage of PZ2 pin input rectifyings bridge output；
The VIN pins of the power management chip LTC3588-1 are connected with the positive pole of the energy capacitance set, the storage capacitor
The negative pole ground connection of group；
The SW pins of the power management chip LTC3588-1 are connected by inductance with VOUT pins；
Electric capacity is also connected between the VIN pins and CAP pins of the power management chip LTC3588-1.
5. wireless sensor node system according to claim 4, it is characterised in that the power management module also includes
High-voltage capacitance group；
The VOUT pins of the power management chip LTC3588-1 are connected with the positive pole of the high-voltage capacitance group, the high-tension electricity
The negative pole ground connection of appearance group.
6. wireless sensor node system according to claim 1, it is characterised in that the main controller is microcontroller
Si4010；
The TXP pins and TXM pins of the microcontroller Si4010 are connected with wireless launcher；
The universal input output pin of the microcontroller Si4010 is connected with sensor.
7. wireless sensor node system according to claim 1, it is characterised in that the sensor is TEMP
Device, humidity sensor, gas sensor or optical sensor.
8. wireless sensor node system according to claim 7, it is characterised in that the temperature sensor uses chip
Si705x；The voltage that the VDD pin input energies module of chip Si705x is provided, SDA pins and SCL pins respectively with main controller
Carry out I2C connections.
9. the wireless senser described in a kind of wireless sensor network, including radio network gateway and multiple any one of claim 1~8
Node system, the radio network gateway and multiple wireless sensor node system communication connections.
10. wireless sensor network according to claim 9, it is characterised in that the radio network gateway includes being sequentially connected
Wireless receiver, raspberry group and NE.
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| CN201710174489.8A CN106887894A (en) | 2017-03-22 | 2017-03-22 | A kind of wireless sensor node system and wireless sensor network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525544A (en) * | 2020-04-01 | 2020-08-11 | 国家电网有限公司 | Composite self-powered wireless transmission system for power Internet of things |
| CN113515061A (en) * | 2020-04-09 | 2021-10-19 | 北京纳米能源与系统研究所 | Sensing node and method, fault detection system and method and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074981A (en) * | 2010-11-30 | 2011-05-25 | 武汉理工大学 | Photovoltaic-vibrational energy based power supply system for wireless sensor network nodes |
| CN204131203U (en) * | 2014-09-23 | 2015-01-28 | 重庆大学 | A kind of self-power supply device of wireless sensor network node |
| CN105680499A (en) * | 2015-09-06 | 2016-06-15 | 王旭成 | Micro energy collection circuit and micro energy collection method |
| CN105933432A (en) * | 2016-06-06 | 2016-09-07 | 南京邮电大学 | Home indoor air quality monitoring method and system based on internet of things |
| CN106026758A (en) * | 2016-05-17 | 2016-10-12 | 南方科技大学 | Generator, preparation method therefor, and generator set |
-
2017
- 2017-03-22 CN CN201710174489.8A patent/CN106887894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074981A (en) * | 2010-11-30 | 2011-05-25 | 武汉理工大学 | Photovoltaic-vibrational energy based power supply system for wireless sensor network nodes |
| CN204131203U (en) * | 2014-09-23 | 2015-01-28 | 重庆大学 | A kind of self-power supply device of wireless sensor network node |
| CN105680499A (en) * | 2015-09-06 | 2016-06-15 | 王旭成 | Micro energy collection circuit and micro energy collection method |
| CN106026758A (en) * | 2016-05-17 | 2016-10-12 | 南方科技大学 | Generator, preparation method therefor, and generator set |
| CN105933432A (en) * | 2016-06-06 | 2016-09-07 | 南京邮电大学 | Home indoor air quality monitoring method and system based on internet of things |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525544A (en) * | 2020-04-01 | 2020-08-11 | 国家电网有限公司 | Composite self-powered wireless transmission system for power Internet of things |
| CN111525544B (en) * | 2020-04-01 | 2022-07-12 | 国家电网有限公司 | Composite self-powered wireless transmission system for power Internet of things |
| CN113515061A (en) * | 2020-04-09 | 2021-10-19 | 北京纳米能源与系统研究所 | Sensing node and method, fault detection system and method and readable storage medium |
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Inventor after: Wang Fei Inventor after: Wu Yingchun Inventor after: Hu Yushen Inventor after: Huang Ziyu Inventor before: Wu Yingchun Inventor before: Wang Fei Inventor before: Hu Yushen Inventor before: Huang Ziyu |
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Application publication date: 20170623 |