CN105450086A - Vibration energy collecting device and method - Google Patents
Vibration energy collecting device and method Download PDFInfo
- Publication number
- CN105450086A CN105450086A CN201510988761.7A CN201510988761A CN105450086A CN 105450086 A CN105450086 A CN 105450086A CN 201510988761 A CN201510988761 A CN 201510988761A CN 105450086 A CN105450086 A CN 105450086A
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- China
- Prior art keywords
- energy
- circuit board
- piezoelectric crystal
- crystal plate
- storage device
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- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000013078 crystal Substances 0.000 claims abstract description 74
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000004146 energy storage Methods 0.000 claims description 15
- 238000007600 charging Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 9
- 238000003306 harvesting Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000010358 mechanical oscillation Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- H02N2/22—Methods relating to manufacturing, e.g. assembling, calibration
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a vibration energy collecting device and method, comprising a piezoelectric crystal plate, a crystal bracket, a circuit board and an electrical storage device; the piezoelectric crystal plate is fixed on a vibration source by the crystal bracket, the mechanical vibration of the vibration source is transmitted to the piezoelectric crystal plate; the end of the piezoelectric crystal plate connected to the crystal bracket is connected to the circuit board through a lead; the power generated by the piezoelectric crystal plate is input to the electrical storage device by the circuit board after being rectified. Converting the vibration energy into electric energy has major contribution to energy saving.
Description
Technical field
The invention belongs to energy regenerating and utilize technical field, relate to the management of the mechanical structure of vibration energy harvesting in Weighing Apparatus Industry, hardware circuit and charging energy sources, be specifically related to a kind of energy gathering apparatus and method.
Background technology
In Weighing Apparatus Industry, can produce a large amount of vibrational energy when equipment runs, and these energy are not used at present, such as: automobile is when motion process, weighing platform and ground can produce certain vibration, and the energy of these vibrations has wasted; In process is weighed, article, when upper scale and lower scale, due to gap, can produce a large amount of vibrational energies equally; The vibrational energy that the present invention plans automobile weighing process is converted into electric energy, for work such as the instrument on automobile electronic scale, by energy effective utilization.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention proposes a kind of energy gathering apparatus and method, by vibrational energy being converted into the electric energy of piezoelectric crystal, the problem of energy dissipation in prior art.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of energy gathering apparatus, comprise piezoelectric crystal plate, crystal cartridge, circuit board and electrical storage device, piezoelectric crystal plate is fixed on vibration source and the mechanical oscillation of vibration source is delivered to piezoelectric crystal plate by crystal cartridge, one end that piezoelectric crystal plate is connected with crystal cartridge is connected to circuit board by wire, and the electricity that piezoelectric crystal plate produces is inputted electrical storage device by circuit board after rectification.The free end of described piezoelectric crystal plate is provided with counterweight, and counterweight is fixedly connected with piezoelectric crystal plate.Described energy gathering apparatus comprises shell, and piezoelectric crystal plate, crystal cartridge and circuit board are arranged on enclosure, and shell and vibration source are fastenedly connected, and crystal cartridge and circuit board are fastenedly connected with shell respectively.The bearing of described circuit board and shell is provided with a sleeve that insulate.The connection cable of described circuit board and electrical storage device is provided with cable connector device.Described energy gathering apparatus also comprises solar powered interface or external power interface, and solar powered interface or external power interface are connected to circuit board respectively.
Vibration energy harvesting method, comprises the steps:
S01, the piezoelectric crystal plate with piezoelectric effect is fixed on vibration source by crystal fixed mount, by the vibration passing of vibration source to piezoelectric crystal plate;
S02, by wire, one end that piezoelectric crystal plate and crystal cartridge are fixing is connected to circuit board, after the electric energy rectification that piezoelectric crystal plate produces by circuit board, outputs to electrical storage device through electric power storage passage;
Energy storage and battery condition in S03, monitoring electric power storage passage, control the order output of energy.Described step S02 also comprises, and circuit board is also connected to solar energy interface and external power interface, and the electric energy of solar energy interface and external power interface exports and outputs to electrical storage device through electric power storage passage.
Described vibrational energy, solar energy and external power supply three give different electrical storage device chargings respectively, and each energy channel is individual passage; The electricity of the electrical storage device of each passage is monitored, by the data selection Energy transmission passage of monitoring.Vibrational energy, solar energy and external power supply give the charging of same electrical storage device; When not connecing external power supply, directly being powered by electrical storage device, when there being external power supply to enter, directly being powered by external power supply, external power supply charges to electrical storage device simultaneously.
Beneficial effect of the present invention is: by vibrational energy device, is electric energy, has major contribution to energy-conservation by the Conversion of Energy of vibration.
Accompanying drawing explanation
Below the content expressed by this Figure of description and the mark in figure are briefly described:
Fig. 1 is the functional block diagram of specific embodiment of the invention energy gathering apparatus.
Fig. 2 is the mechanical construction drawing of specific embodiment of the invention energy gathering apparatus.
Fig. 3 is specific embodiment of the invention energy gathering apparatus internal structure vertical view.
Fig. 4 is the structure chart of specific embodiment of the invention charge in batteries administration module.
Fig. 5 is the structure chart that specific embodiment of the invention energy gathering apparatus adds external power interface.
Fig. 6 is the structure chart that specific embodiment of the invention energy gathering apparatus adds solar energy interface.
Fig. 7 is the structure chart that specific embodiment of the invention energy gathering apparatus adds solar energy and external power interface.
Wherein, 1 shell, 2 wires, 3 encapsulation cover plates, 4 crystal cartridges, 5 crystal wafer hold-down screws, 6 compressing tablets, 7 piezoelectric crystal plates, 8 counterweights, 9 vibration sources, 10 vibration source hold-down screws, 11 output cables, 12 cable connector devices, 13 insulating supporting covers, 14 circuit board hold-down screws, 15 circuit boards, 16 crystal cartridge hold-down screws, 17 power interfaces, 18 solar energy interfaces.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
Basic ideas of the present invention are: installed near vibration source 9 by electricity energy harvester of the present invention, and when vibration source 9 vibrates, drive the piezoelectric crystal plate 7 in electricity energy harvester, the electric energy produced when being vibrated by piezoelectric crystal plate 7 exports to electric energy storage device through charging circuit.Designing points of the present invention comprises the mechanical structure be connected with vibration source 9, the structure of fixing piezoelectric crystal plate 7, hardware charging circuit, electric energy storage device for applied environment, and exports for the power supply of power consumption equipment.The electrical energy demands form used due to user is different, and such as: the demand had is+5V, that have is+12V, and what have is current source, so different according to the demand of client, design different power supply output forms, meets the application demand of client.
As Fig. 2, for the structure chart of vibrational energy harvester of the present invention, vibration source 9 is due to the effect generation vibration of external object, by vibration source hold-down screw 10, the shell 1 of electricity energy harvester of the present invention is fixed on vibration source 9, vibration source 9 by vibration passing to crystal cartridge 4, crystal cartridge 4 drives piezoelectric crystal plate 7 to vibrate, piezoelectric crystal plate 7 produces electric charge, electric charge passes through wire 2 by energy transferring to circuit board 15 (three-in-one charging energy sources management circuit plate), by the process of three-in-one charging energy sources management circuit plate, export through output cable 11 and power supply is exported.In the place that output cable 11 contacts with shell 11, be provided with cable connector device 12, be convenient to replacing and the plug of output cable 11.Be provided with insulating supporting in the place that circuit board 15 is connected with shell and overlap 13.
Piezoelectric crystal plate 7 is fixed on crystal cartridge 4 by crystal wafer hold-down screw 5 and compressing tablet 6, one end that piezoelectric crystal plate 7 is connected with crystal fixed support is connected with wire 2, circuit board 15 is connected to through wire 2, counterweight 8 is provided with away from one end of crystal cartridge 4 at piezoelectric crystal plate 7, to expand amplitude, improve vibrational energy.Crystal cartridge 4 is fixed on shell 1 by crystal cartridge hold-down screw 16, and in addition, circuit board 15 is also fixed on shell 1 by circuit board hold-down screw 14.Shell 1 can arrange external power interface 17 and solar energy interface 18, and external power interface 17 and solar energy interface 18 are connected to circuit board 15.
Vibrational energy efficiently changes electric energy into, and it is also very crucial for storing reliably.Here special circuit board 15 is adopted, and three-in-one charge power supply administration module, as Fig. 4, the electric energy that vibration produces effectively is stored into electric energy storage device.From Fig. 2 and Fig. 3, this vibration energy harvesting transducer have employed 8 pieces of piezoelectric crystal plates 7, by exporting cable by the power delivery of collection to extraneous weighing system.Three-in-one charge power supply administration module, realizes ordered collection and the order output of energy.Energy ordered collection is divided into two kinds of modes:
Mode one: vibrational energy, solar energy and external electric energy three give different electric energy storage device chargings respectively, and each energy channel is an individual passage;
Mode two: vibrational energy, solar energy and external electric energy give the charging of same electric energy storage device, and three kinds of energy channels converge to a bit;
The order output of energy equally also has two kinds of modes:
Mode one: for the electric energy storage device having three passages, we can adopt the electricity of the electric energy electric power storage to each passage to monitor, and judged, select, determine that certain passage is as Energy transmission passage by the data of monitoring.
Mode two: for the situation of an electric energy storage device, when not connecing external power supply, is directly powered by electric energy storage device, when there being external power supply to enter, is directly powered by external power supply, and external power supply charges to electric energy storage device simultaneously.
Due to the difference of applied environment, the size of equipment is different, different to the form demand of energy, therefore designs different electric energy storage devices and electric energy output form for different application.Because the occasion used is different, the size of the vibrational energy harvester of design is different, so the electric energy storage device installed can according to size in different ways, such as same accumulation of energy, lithium battery is different than the size of excide battery, can select different battery types, equally according to occasion, because price demand is different, the electric energy storage device of employing is also different.The time limit used also is different.As shown in Figure 1, in different use occasions, according to the explosion-proof requirement such as anti-pollution of price, size, environment, different electric energy storage devices can be selected: zinc battery, nickel-based battery, lithium battery, lead-acid battery, gold electric capacity etc.
As shown in Figure 2, energy gathering apparatus is close to vibration source 9 and is installed, according to the size of vibration source 9, and the size of design vibration gathering-device encapsulation cover plate 3 and shell 1.Fig. 2 is the electricity energy harvester being applied to automobile electronic scale, and vibration source 9 is mainly vertical degree of freedom.Very crucial to the Material selec-tion of crystal cartridge 4 on form construction design, different materials has different impacts to vibration frequency, rigidity due to different materials is different, so different damping coefficients can be produced to the transmission of vibration frequency, so the vibrational energy transmitted can change to some extent, the frequency of final impact vibration.The installation site of vibration source hold-down screw 10 and fitting depth are very exquisite too.Install shallow, due to the impact of vibration, the fixing tightness with vibration source 9 can be affected, easily come off.Too dark, may punch vibration source 9, the structure installment destroying existing equipment is inconvenient.
Fully vibrational energy can be produced in order to make piezoelectric crystal plate 7, in the design of mechanical structure, consider many-sided factor to affect, be mainly the structural design of crystal cartridge 4, the fixed form of crystal wafer hold-down screw 5 is installed, the structure of compressing tablet 6, the length of piezoelectric crystal plate 7 shaker arm, the size of counterweight 8 and quality, quality is heavier, brachium is longer, the vibrational energy produced is larger, amplitude is also larger, but the space of vibration energy harvesting transducer is fixing, the material of raising one's arm of piezoelectric crystal plate 7 is to Oscillation Amplitude also restricted requirement simultaneously, key Design of vibration energy harvesting transducer with counterweight 8 so reasonably raise one's arm, the quality of analogy two counterweights 8 is respectively 1g and 2g, and the acceleration of vibration is fixing, the energy that so counterweight 8 amount of 2g produces is greater than the energy that 1g produces, then there is the conservation of energy known, the Conversion of Energy of the piezoelectricity produced is also large, the length of raising one's arm equally is the moment of Mass Control block, and length is longer, and moment is larger, then the vibrational energy produced is also larger.The effective control effect factor of energy, has direct relation to the conversion ratio of the vibrational energy of energy gathering apparatus.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.The protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (10)
1. an energy gathering apparatus, it is characterized in that, comprise piezoelectric crystal plate (7), crystal cartridge (4), circuit board (15) and electrical storage device, piezoelectric crystal plate (7) is fixed on vibration source (9) and the mechanical oscillation of vibration source (9) is delivered to piezoelectric crystal plate (7) by crystal cartridge (4), one end that piezoelectric crystal plate (7) is connected with crystal cartridge (4) is connected to circuit board (15) by wire, and the electricity that piezoelectric crystal plate produces is inputted electrical storage device by circuit board (15) after rectification.
2. energy gathering apparatus according to claim 1, is characterized in that, the free end of described piezoelectric crystal plate (7) is provided with counterweight, and counterweight is fixedly connected with piezoelectric crystal plate (7).
3. energy gathering apparatus according to claim 1, it is characterized in that, described energy gathering apparatus comprises shell, piezoelectric crystal plate (7), crystal cartridge (4) and circuit board (15) are arranged on enclosure, shell and vibration source (9) are fastenedly connected, and crystal cartridge (4) and circuit board (15) are fastenedly connected with shell respectively.
4. energy gathering apparatus according to claim 3, is characterized in that, described circuit board (15) is provided with insulating supporting cover (13) with the bearing of shell.
5. energy gathering apparatus according to claim 1, is characterized in that, described circuit board (15) is provided with cable connector device (12) with the connection cable of electrical storage device.
6. energy gathering apparatus according to claim 1, it is characterized in that, described energy gathering apparatus also comprises solar energy interface (18) or external power interface (17), and solar energy interface (18) or external power interface (17) are connected to circuit board (15) respectively.
7. the vibration energy harvesting method according to claim 1-6 any one, is characterized in that, comprise the steps:
S01, the piezoelectric crystal plate (7) with piezoelectric effect is fixed on vibration source (9), by the vibration passing of vibration source (9) to piezoelectric crystal plate (7) by crystal fixed mount;
S02, by wire, one end that piezoelectric crystal plate (7) and crystal cartridge (4) are fixing is connected to circuit board (15), after the electric energy rectification that piezoelectric crystal plate (7) produces by circuit board (15), outputs to electrical storage device through electric power storage passage;
Energy storage and battery condition in S03, monitoring electric power storage passage, control the order output of energy.
8. vibration energy harvesting method according to claim 7, it is characterized in that, described step S02 also comprises, circuit board (15) is also connected to solar energy interface (18) and external power interface (17), and the electric energy of solar energy interface (18) and external power interface (17) exports and outputs to electrical storage device through electric power storage passage.
9. vibration energy harvesting method according to claim 8, is characterized in that, described vibrational energy, solar energy and external power supply three give different electrical storage device chargings respectively, and each energy channel is individual passage; The electricity of the electrical storage device of each passage is monitored, by the data selection Energy transmission passage of monitoring.
10. vibration energy harvesting method according to claim 8, is characterized in that, vibrational energy, solar energy and external power supply give the charging of same electrical storage device; When not connecing external power supply, directly being powered by electrical storage device, when there being external power supply to enter, directly being powered by external power supply, external power supply charges to electrical storage device simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988761.7A CN105450086A (en) | 2015-12-24 | 2015-12-24 | Vibration energy collecting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988761.7A CN105450086A (en) | 2015-12-24 | 2015-12-24 | Vibration energy collecting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105450086A true CN105450086A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510988761.7A Pending CN105450086A (en) | 2015-12-24 | 2015-12-24 | Vibration energy collecting device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105450086A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013077301A1 (en) * | 2011-11-24 | 2013-05-30 | パナソニック株式会社 | Power generating apparatus |
| CN204118842U (en) * | 2014-09-15 | 2015-01-21 | 中国地质大学（武汉） | One tramples piezoelectric type continuous generating device |
| CN104716867A (en) * | 2013-12-17 | 2015-06-17 | 梅特勒-托利多(常州)精密仪器有限公司 | Energy collection sensor and energy management system |
| CN205232066U (en) * | 2015-12-24 | 2016-05-11 | 铜陵职业技术学院 | Vibration energy collection device |
-
2015
- 2015-12-24 CN CN201510988761.7A patent/CN105450086A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013077301A1 (en) * | 2011-11-24 | 2013-05-30 | パナソニック株式会社 | Power generating apparatus |
| CN104716867A (en) * | 2013-12-17 | 2015-06-17 | 梅特勒-托利多(常州)精密仪器有限公司 | Energy collection sensor and energy management system |
| CN204118842U (en) * | 2014-09-15 | 2015-01-21 | 中国地质大学（武汉） | One tramples piezoelectric type continuous generating device |
| CN205232066U (en) * | 2015-12-24 | 2016-05-11 | 铜陵职业技术学院 | Vibration energy collection device |
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Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |