CN201417967Y - Wireless sensor automatic energy supply system based on space electromagnetic energy - Google Patents
Wireless sensor automatic energy supply system based on space electromagnetic energy Download PDFInfo
- Publication number
- CN201417967Y CN201417967Y CN2009200275723U CN200920027572U CN201417967Y CN 201417967 Y CN201417967 Y CN 201417967Y CN 2009200275723 U CN2009200275723 U CN 2009200275723U CN 200920027572 U CN200920027572 U CN 200920027572U CN 201417967 Y CN201417967 Y CN 201417967Y
- Authority
- CN
- China
- Prior art keywords
- energy
- supply system
- system based
- electric
- gathering
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y02B60/50—
Abstract
The utility model relates to a wireless sensor automatic energy supply system based on space electromagnetic energy, comprising a field energy gathering unit, a magnetic energy gathering unit and an electric energy conditioning unit, wherein the field energy gathering unit and the magnetic energy gathering unit are respectively connected with the electric energy conditioning unit through wires. The energy supply system has the beneficial effects of simple principle and convenient achievement, fully takes advantage of the intrinsic superiorities of rich electromagnetic energy in high-pressure transformer substations, and is capable of effectively solving the energy supply bottleneck problem of wireless sensor nodes. The automatic energy supply system of the utility model has the advantagesof simple structure, moderate volume, convenient installation, stability, high efficiency, economy and practicality, and is of significance on promotion of wireless sensor network techniques and achievement of transformer substation overall automation.
Description
Technical field
The utility model relates to a kind of self-power supply system that is applied to wireless senser, especially a kind of wireless senser self-power supply system based on the space electromagnetic energy.
Background technology
The present real time monitoring network of the object-oriented information formed by a large amount of distributed sensor nodes of wireless sensor network, its the most outstanding advantage is that sensing node takes up room little and the wireless data transmission mode, be specially adapted to the industrial environment of the complicated harshness of environmental condition, difficult wiring, be considered to the developing direction of following sensor technology.Yet, the not quick marketization as people envisioned originally of wireless sensor technology, a wherein very crucial restriction bottleneck is that energy is supplied with problem.
For solving the energy supply problem of wireless senser, people have studied many methods: 1. increase the energy storage density of battery, but battery energy storage always has certain limit, therefore the energy supply life-span is limited, need recharge, volume and quality are bigger, and it is both uneconomical also unrealistic frequently to change battery; 2. reduce the transducer power consumption increasing the service life, but only can postpone battery update time, can't fundamentally solve the lasting energy supply problem of transducer.For this reason, the self energizing technology is arisen at the historic moment.It is a kind of by collecting other form in the surrounding environment energy and convert thereof into electric energy, for transducer or other electronic equipment provide safety, stable, do not have an electric energy supply technology of age limit efficiently, in theory.The self energizing technology is exclusive from continuation (self-sustaining) characteristics with it, has expanded the application space of wireless sensor network greatly.
Can utilize potential energy source form according to surrounding space, as solar energy, vibrational energy, chemical energy, wind energy, acoustic energy, heat energy, electromagnetic energy etc., electric energy switching mechanism and method that the self energizing technology is taked are also different.Solar cell development based on photovoltaic effect is comparatively ripe, has cleaning, environmental protection, inexpensive, reproducible advantage, but its power output is subjected to factor affecting such as time, weather too big and unstable; Moreover, need enlarge markedly the cell panel area when improving harvest energy, this requirement with the sensor node microminiaturization contradicts.Electric energy transfer principle based on vibration is divided into electromagnetic type, electrostatic and piezoelectric type, such energy harvester has that volume is little, sensing frequency is high, processing compatibility is good, be suitable for advantages such as adverse circumstances, but also have shortcomings such as power output is less than normal, integrated level is not high, assembly precision is lower at present, the possibility of practicability is less.In addition, based on the multiple self energizing technology of heat energy, wind energy and acoustic energy etc.,, also has big distance from large-scale application although the principle novelty is in the laboratory research stage mostly.
Which kind of self energizing Technology Need wireless senser adopts take all factors into consideration the surrounding environment factor affecting, selects optimum energy collecting mode in numerous potential energy sources.Along with the development of integrated automation of transformation stations technology, have wireless sensor network the having a extensive future of technology and economic advantages concurrently in this field.In the transformer station not only power frequency high voltage bus and connection cable gather, and phenomenons such as corona discharge and switching impulse take place constantly, have formed the space high field environment of " power frequency and high frequency symbiosis, near field and far field are coupled and blend, and conduction and radiation are also deposited " naturally.The measured data of 500kV transformer station shows that electric field strength can reach 18kV/m, and magnetic field intensity can reach 7.62 μ T.Therefore, at the special electromagnetic environment of transformer station, collecting abundant energy of electromagnetic field is the wireless senser power supply, has the incomparable advantage of other self energizing methods.It both was subjected to night and weather effect huge unlike solar energy, also unlike vibrational energy, need close physics contact, under transformer station's special environment condition, can realize providing stable, lasting, the economic energy, the extensive use of wireless sensor network and the development of the automation of transformation substations are significant wireless senser.
The utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, it is convenient to use, and saves the energy, economical and practical, can effectively solve the wireless senser self-power supply system that the wireless sensor node energy is supplied with bottleneck problem based on the space electromagnetic energy.
For achieving the above object, the utility model adopts following technical proposals:
A kind of wireless senser self-power supply system based on the space electromagnetic energy, comprise electric field energy gathering-device, magnetic field energy gathering-device and electric energy conditioning unit, the electric field energy gathering-device is connected with electric energy conditioning unit respectively by lead with the magnetic field energy gathering-device.
Described electric field energy gathering-device is the spherical electric capacity of collecting, and it comprises two metal hemispherical Shells up and down, is provided with insulating medium layer between two metal hemispherical Shells up and down, connects by a HF switch in two metal hemispherical Shells up and down.
Described magnetic field energy gathering-device is the magnetic energy collection inductance loop, and it presses certain space even angle cross arrangement globulate by several same annulus, and each annulus all is entwined by some circle leads.
Described electric energy conditioning unit comprises rectification circuit, memory circuit and the voltage-stabilizing output circuit that connects successively.Rectification circuit is the bridge rectifier that four diodes are formed, and realizes the memory function of memory circuit with a ultracapacitor, can realize that by existing voltage stabilizing circuit able to programme 2～5 volts burning voltage is exported.
Described electric energy conditioning unit and electric field energy gathering-device are arranged in the magnetic field energy gathering-device.
The beneficial effects of the utility model are: principle is simple, and it is convenient to realize, has made full use of the abundant Inherent advantage of electromagnetic energy in the high voltage substation, and the energy that can effectively solve wireless sensor node is supplied with bottleneck problem.The self energizing apparatus structure is simple, and volume is moderate, and is easy for installation, and stability and high efficiency is economical and practical, to promoting wireless sensor network technology and realizing that the integrated automation of transformation stations is significant.
Description of drawings
Fig. 1 is an overall flow schematic diagram of the present utility model;
Fig. 2 is spherical energy collecting capacitive junctions composition;
Fig. 3 (a) is the front view of magnetic energy collection inductance loop;
Fig. 3 (b) is the vertical view of magnetic energy collection inductance loop;
Wherein, M1, M2 are respectively upper and lower two metal hemispherical Shells, and J is an insulating medium layer, and S is a HF switch; L
1, L
2And L
3Be different annular.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Among Fig. 1-Fig. 3, a kind of wireless senser self-power supply system based on the space electromagnetic energy, comprise electric field energy gathering-device, magnetic field energy gathering-device and electric energy conditioning unit, the electric field energy gathering-device is connected with electric energy conditioning unit respectively by lead with the magnetic field energy gathering-device.
Described electric field energy gathering-device is the spherical electric capacity of collecting, and it comprises two metal hemispherical Shells up and down, is provided with insulating medium layer between two metal hemispherical Shells up and down, connects by a HF switch in two metal hemispherical Shells up and down.
Described magnetic field energy gathering-device is the magnetic energy collection inductance loop, and it presses certain space even angle cross arrangement globulate by several same annulus, and each annulus all is entwined by some circle leads.
Described electric energy conditioning unit comprises rectification circuit, memory circuit and the voltage-stabilizing output circuit that connects successively.Rectification circuit is the bridge rectifier that four diodes are formed, and realizes the memory function of memory circuit with a ultracapacitor, can realize that by existing voltage stabilizing circuit able to programme 2～5 volts burning voltage is exported.
Described electric energy conditioning unit and electric field energy gathering-device are arranged in the magnetic field energy gathering-device.
Fig. 1 is the self energizing technology overall plan schematic diagram based on the space electromagnetic energy.Steps A is that electric field energy is collected, and utilizes the spherical energy collecting electric capacity that the utility model proposes that electric field energy is transformed electric energy; Step B is rectification, will be ideal waveform from the relatively poor current regulating of the waveform that spherical electric capacity obtains; Step C is storage, the electric current after the rectification is stored into make things convenient for wireless senser to use in the capacitor; Step D is output, for wireless senser provides stable voltage output.Step e is the magnetic energy collection part, because of magnetic energy relatively a little less than, the electric energy of conversion is limited, only inserts memory circuit as the auxiliary energy source.
Fig. 2 is spherical energy collecting capacitance structure, comprises two metal hemispherical Shell M up and down
1And M
2, middle J is an insulating medium layer and a HF switch S.When switch disconnects, according to electromagnetic induction principle, by two metal hemispherical Shell M up and down
1And M
2Voltage difference to occur between two metal electrode boards of forming, occur charge inducing on the metal electrode board; With two metal electrode board short circuits, will produce a short circuit pulse electric current during switch closure, in case charge inducing all along with the pulse short circuit current conducts, voltage difference is zero between two metal electrode boards; Finish two metal electrode board short circuits, voltage difference occurs, and will respond to the electric charge that makes new advances on two metal electrode boards can be for extracting.Repeat said process with higher frequency, just can obtain the intermittent current that is transformed by electric field energy, realized the simple conversion of electric field energy to electric energy.This topological structure has following advantage: the relation that 1. is easy to calculate its surface induction electric charge and electric field; 2. the metal covering of approximate sealing also provides electromagnetic shielding for built-in modulation circuit; 3. the distortion degree of electric field is less, can avoid possible point discharge phenomenon.
Fig. 3 (a) and Fig. 3 (b) are respectively the front view and the vertical view of magnetic energy collection inductance loop.The magnetic energy collection inductance loop is pressed certain space even angle cross arrangement globulate by several identical annulus, and each annulus all is entwined by some circle leads.For convenience of explanation, this figure only adopts 3 annulus L
1, L
2And L
3, the 120 degree cross arrangements of being separated by (a) are front view, (b) are vertical view.In the practical application, the number of annulus can be formulated according to on-the-spot needs.The collection method of magnetic field energy is similar to antenna and accepts electromagnetic wave, according to the law of electromagnetic induction, when the coil interlinkage space flux change in the magnetic energy collection inductance loop, in the coil with induced electromotive force, the same with spherical electric capacity, by two leading-out terminals at coil HF switch is set, the existence owing to induced electromotive force during switch closure produces electric current, realizes the conversion of magnetic energy to electric energy.Each annulus position is pressed the certain space angular cross and is arranged, and is beneficial to the high frequency magnetic field of collecting from all directions, thereby collects magnetic field energy as much as possible.
By shown in Figure 1, spherical collection electric capacity and magnetic energy collection inductance loop all can obtain interrupted intermittent current, and this electric current promptly can be the wireless senser power supply through after the follow-up arrangement and store loop.
Claims (5)
1. wireless senser self-power supply system based on the space electromagnetic energy, it is characterized in that, comprise electric field energy gathering-device, magnetic field energy gathering-device and electric energy conditioning unit, the electric field energy gathering-device is connected with electric energy conditioning unit respectively by lead with the magnetic field energy gathering-device.
2. the wireless senser self-power supply system based on the space electromagnetic energy according to claim 1, it is characterized in that, described electric field energy gathering-device is the spherical electric capacity of collecting, it comprises two metal hemispherical Shells up and down, be provided with insulating medium layer between two metal hemispherical Shells up and down, connect by a HF switch in two metal hemispherical Shells up and down.
3. the wireless senser self-power supply system based on the space electromagnetic energy according to claim 1, it is characterized in that, described magnetic field energy gathering-device is the magnetic energy collection inductance loop, it presses certain space even angle cross arrangement globulate by several same annulus, and each annulus all is entwined by some circle leads.
4. the wireless senser self-power supply system based on the space electromagnetic energy according to claim 1, it is characterized in that, described electric energy conditioning unit comprises rectification circuit, memory circuit and the voltage-stabilizing output circuit that connects successively, rectification circuit is the bridge rectifier that four diodes are formed, and memory circuit is made up of a ultracapacitor.
5. the wireless senser self-power supply system based on the space electromagnetic energy according to claim 1 is characterized in that, described electric energy conditioning unit and electric field energy gathering-device are arranged in the magnetic field energy gathering-device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200275723U CN201417967Y (en) | 2009-06-16 | 2009-06-16 | Wireless sensor automatic energy supply system based on space electromagnetic energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200275723U CN201417967Y (en) | 2009-06-16 | 2009-06-16 | Wireless sensor automatic energy supply system based on space electromagnetic energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417967Y true CN201417967Y (en) | 2010-03-03 |
Family
ID=41794396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200275723U Expired - Fee Related CN201417967Y (en) | 2009-06-16 | 2009-06-16 | Wireless sensor automatic energy supply system based on space electromagnetic energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417967Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577505B (en) * | 2009-06-16 | 2011-11-16 | 山东大学 | Spatial electromagnetic energy-based wireless sensor self-power supply system and spatial electromagnetic energy-based wireless sensor self-power supply method |
| CN103514709A (en) * | 2013-10-21 | 2014-01-15 | 国家电网公司 | Helmet with electrical field intensity alarming device |
| CN103545939A (en) * | 2013-10-24 | 2014-01-29 | 国家电网公司 | Induction microwave power supply system of online monitoring device |
| CN106340173A (en) * | 2016-09-27 | 2017-01-18 | 电子科技大学 | Self-energized wireless sensing technology and wireless sensing system thereof |
| CN113096408A (en) * | 2021-04-02 | 2021-07-09 | 电子科技大学 | License plate recognition system based on self-energy supply |
-
2009
- 2009-06-16 CN CN2009200275723U patent/CN201417967Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577505B (en) * | 2009-06-16 | 2011-11-16 | 山东大学 | Spatial electromagnetic energy-based wireless sensor self-power supply system and spatial electromagnetic energy-based wireless sensor self-power supply method |
| CN103514709A (en) * | 2013-10-21 | 2014-01-15 | 国家电网公司 | Helmet with electrical field intensity alarming device |
| CN103545939A (en) * | 2013-10-24 | 2014-01-29 | 国家电网公司 | Induction microwave power supply system of online monitoring device |
| CN106340173A (en) * | 2016-09-27 | 2017-01-18 | 电子科技大学 | Self-energized wireless sensing technology and wireless sensing system thereof |
| CN113096408A (en) * | 2021-04-02 | 2021-07-09 | 电子科技大学 | License plate recognition system based on self-energy supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101577505B (en) | Spatial electromagnetic energy-based wireless sensor self-power supply system and spatial electromagnetic energy-based wireless sensor self-power supply method | |
| CN201417967Y (en) | Wireless sensor automatic energy supply system based on space electromagnetic energy | |
| CN205304271U (en) | Alternating current circuit field energy collection system of impedance characteristic based on transformer | |
| CN107612150A (en) | Water surface energy energy integration system | |
| CN206060335U (en) | A kind of communication base station electric power system of off-network type wind-solar-diesel complementary | |
| CN202125047U (en) | Power generating floor based on electric energy converted by kinetic energy and potential energy | |
| CN103475260B (en) | Capacitive energy collecting converting device based on transformer substation field energy | |
| CN207460029U (en) | Water-surface generating device | |
| CN109524985A (en) | A kind of wireless electric vehicle charging device and method based on wind-light storage | |
| CN203574446U (en) | Remote monitoring platform for solar smart micro grid power generation system | |
| CN203261261U (en) | Community intelligent power-using system | |
| CN206211619U (en) | A kind of public mobile phone charging pile of wind light mutual complementing | |
| CN207399066U (en) | A kind of solar energy and off-network energy storage movable power station | |
| CN204559465U (en) | Field emergency device | |
| CN101656485A (en) | Double PWM inverter with energy capable of bidirectionally flowing | |
| CN210898550U (en) | Plateau firewood scene synthesizes power supply system | |
| CN113505963A (en) | Electric power characteristic block construction system | |
| CN202309192U (en) | Self-generating mobile phone charger | |
| CN105048654A (en) | Electric field overhead line wireless energy taking device | |
| CN102454221A (en) | Container type movable house | |
| CN204681170U (en) | A kind of solar photovoltaic wireless power supply system with lightning protection function | |
| CN218509142U (en) | Photovoltaic power generation's container reforms transform bicycle shed structure | |
| CN219322253U (en) | Omnidirectional electromagnetic mechanical energy collecting device | |
| CN206992770U (en) | A kind of solar power generation control line protection device | |
| CN211239789U (en) | Solar household direct-current power supply wireless monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20100616 |