CN106877737A - For the EMS of station service transformer vibrational energy collector - Google Patents
For the EMS of station service transformer vibrational energy collector Download PDFInfo
- Publication number
- CN106877737A CN106877737A CN201510927191.0A CN201510927191A CN106877737A CN 106877737 A CN106877737 A CN 106877737A CN 201510927191 A CN201510927191 A CN 201510927191A CN 106877737 A CN106877737 A CN 106877737A
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- CN
- China
- Prior art keywords
- energy collector
- circuit
- electric
- ems
- power management
- 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.)
- Pending
Links
- 238000009825 accumulation Methods 0.000 claims abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 4
- 238000007600 charging Methods 0.000 description 8
- 238000007726 management method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/10—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
- H02M7/103—Containing passive elements (capacitively coupled) which are ordered in cascade on one source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
Abstract
For the EMS of station service transformer vibrational energy collector, P by voltage doubling rectifing circuit, the electric power management circuit composition of vibrating type energy collector and vibrating type energy collector.The voltage doubling rectifing circuit, accumulation and the High voltage output of electric charge are realized using the one-way conduction of diode and the charge-discharge characteristic of electric capacity.The vibrating type energy collector, be unable to do without the electric power management circuit of rear end, and electric power management circuit is usually DC-DC types, and the quality of its performance is not only related to the output performance of piezo-electric type energy harvester, also influences whether application of its rear end in electronic system.Provided by the present invention for the EMS of station service transformer vibrational energy collector, overcome load matched and circuit loss problem in the interface circuit of piezo-electric type energy harvester, the circuit for optimizing piezoelectric energy collector fully collects the energy of energy converter output, improves energy storage efficiency.
Description
Technical field
EMS the present invention relates to be used for station service transformer vibrational energy collector.
Background technology
In various environmental energies, vibrational energy because its exist it is extensive, it has also become the focus of Internet of things node self energizing research field in recent years, be widely used in the fields such as industry, agricultural, communication, national defence, Aero-Space and medical science.According to the difference of energy conversion principle, vibrating power-generation technology can be divided into electrostatic, electromagnetic type and the class of piezoelectric type three.Wherein, piezoelectric generating device is with fastest developing speed, with energy converting between mechanical efficiency it is higher, be easy to integrated with MEMS, cost is relatively low, advantage without electromagnetic interference and simple structure.
At present, the local electronic system in transformer station is mainly powered or traditional power supply mode such as periodic replacement battery using power line.Using power line power supply mode is relatively costly, volume and quality are larger and difficult in maintenance；And powered restricted lifetime using battery, and change difficult in certain applications.Therefore, using the vibrational energy of station service transformer for electronic system node is powered, it has also become solve station service transformer electric network node energy self-supporting.
The content of the invention
To solve the above problems, the present invention devises the power-supply management system of a set of station service transformer vibration energy harvesting system.
The technical solution adopted for the present invention to solve the technical problems is：For the EMS of station service transformer vibrational energy collector, by voltage doubling rectifing circuit, the electric power management circuit composition of vibrating type energy collector and vibrating type energy collector.
The voltage doubling rectifing circuit, accumulation and the High voltage output of electric charge are realized using the one-way conduction of diode and the charge-discharge characteristic of electric capacity.
The vibrating type energy collector, it be unable to do without the electric power management circuit of rear end, its special generating mechanism requirement electric power management circuit must provide for certain generating disposal ability, electric power management circuit is usually DC-DC types, the quality of its performance is not only related to the output performance of piezo-electric type energy harvester, also influences whether application of its rear end in electronic system.For electric power management circuit, piezo-electric type energy harvester is a capacitive load, therefore the design of energy collection circuit is different from the conventional circuit design of purely resistive.
The electric power management circuit of the vibrating type energy collector, accumulator is that the battery proposed according to 20 th century America scientist Mas fills three laws soon, and with reference to the charging circuit that is improved of high-impedance behavior of piezoelectric, the charging circuit is with DC-DC converter as core, overcome electricity generation material output electric energy it is unstable, can not manual control shortcoming, the electric energy that will be collected on vibrational energy collector is converted to stabilization, controllable electric energy, is charged for battery.
The beneficial effects of the invention are as follows：For the EMS of station service transformer vibrational energy collector, overcome load matched and circuit loss problem in the interface circuit of piezo-electric type energy harvester, the circuit for optimizing piezoelectric energy collector fully collects the energy of energy converter output, improves energy storage efficiency.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is bridge rectifier figure.
Fig. 2 is voltage doubling rectifing circuit reason figure.
Fig. 3 is energy-storing and power-generating system schematic diagram.
Fig. 4 is DC-DC accumulator schematic diagrams.
Specific embodiment
In Fig. 1, for the vibration applications environment of 100Hz frequencies, bridge rectifier is prepared.
In fig. 2, the voltage doubling rectifing circuit after optimization, accumulation and the High voltage output of electric charge are realized using the one-way conduction of diode and the charge-discharge characteristic of electric capacity.The advantage of voltage doubling rectifing circuit has：Even if 1. alternating voltage is relatively low, a DC voltage higher can be also obtained using pressure-resistant relatively low commutation diode and capacitor, be easy to the output of electric energy；2. the output voltage of voltage multiplying rectifier is several times of input voltage, high compared to bridge rectifier, greatly improves the delivery efficiency of piezoelectric.
In figure 3, charge characteristic of the battery in vibration energy harvesting system, designs and employs energy storage, the charging strategy of electric discharge and illumination immediately, and limited electric energy is managed.For piezo-electric type electricity generation material, the battery based on Mas fills the charging circuit that three laws devise the fast mold filling formula of current limliting-constant pressure soon.In whole charging process, cell voltage will exponentially form increases with the time, but battery current is constant-current charging phase in the starting stage of charging, and then with the time, exponentially form reduces.Therefore can predict：When cell voltage is relatively low at the beginning of charging, battery is charged with a larger current, rear charging current is gradually reduced, untill being full of.
In fig. 4, generating body electricity can be boosted to and to lithium battery by 3V using DC-DC booster circuit（Often save 350mAh）Charge.
Based on current vibrating power-generation module array scale, using the teaching of the invention it is possible to provide working stability, safe and reliable and function easy switching accumulation power supply（1W or so）, it is that transformer station's emergency lighting is powered.Calculated according to existing generating scale, daily generation about 10mAh, if energy storage one-year age, then it is used for Emergency Light about 20h, if expanding generating scale, by covering, electricity generation module is grid-connected to be combined more, then can provide hundreds of or even upper kilowatt reserve power, and the electric power of abundance is in case of emergency provided for the more equipment of transformer station.
Claims (3)
1. the EMS of station service transformer vibrational energy collector is used for, it is characterized in that：By voltage doubling rectifing circuit, the electric power management circuit composition of vibrating type energy collector and vibrating type energy collector.
2. the EMS for station service transformer vibrational energy collector according to claim 1, it is characterized in that：The voltage doubling rectifing circuit, accumulation and the High voltage output of electric charge are realized using the one-way conduction of diode and the charge-discharge characteristic of electric capacity.
3. the EMS for station service transformer vibrational energy collector according to claim 1, it is characterized in that：The vibrating type energy collector, be unable to do without the electric power management circuit of rear end, and its special generating mechanism requirement electric power management circuit must provide for certain generating disposal ability, and electric power management circuit is usually DC-DC types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927191.0A CN106877737A (en) | 2015-12-14 | 2015-12-14 | For the EMS of station service transformer vibrational energy collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927191.0A CN106877737A (en) | 2015-12-14 | 2015-12-14 | For the EMS of station service transformer vibrational energy collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877737A true CN106877737A (en) | 2017-06-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510927191.0A Pending CN106877737A (en) | 2015-12-14 | 2015-12-14 | For the EMS of station service transformer vibrational energy collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630040A (en) * | 2021-08-11 | 2021-11-09 | 武汉理工大学 | Flexible piezoelectric energy collection system based on graphene assembly film |
-
2015
- 2015-12-14 CN CN201510927191.0A patent/CN106877737A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630040A (en) * | 2021-08-11 | 2021-11-09 | 武汉理工大学 | Flexible piezoelectric energy collection system based on graphene assembly film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |
|
| WD01 | Invention patent application deemed withdrawn after publication |