CN110829891A - Wave impact type piezoelectric energy acquisition device and method - Google Patents
Wave impact type piezoelectric energy acquisition device and method Download PDFInfo
- Publication number
- CN110829891A CN110829891A CN201911013411.3A CN201911013411A CN110829891A CN 110829891 A CN110829891 A CN 110829891A CN 201911013411 A CN201911013411 A CN 201911013411A CN 110829891 A CN110829891 A CN 110829891A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric
- barrel
- sheet
- wave impact
- cantilever beam
- 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
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 238000003306 harvesting Methods 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims 3
- 238000010248 power generation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention provides a wave impact type piezoelectric energy acquisition device and a wave impact type piezoelectric energy acquisition method, wherein a plurality of buoyancy tanks are connected together through flexible pipes to form a buoyancy tank array, each buoyancy tank consists of a tank body, an energy acquisition device and a rectifier bridge, and the acquisition devices and the rectifier bridges are arranged in the tank body; the energy acquisition device is of a cantilever structure and comprises a piezoelectric cantilever beam, a barrel, three balls and two piezoelectric elastic end covers, the piezoelectric cantilever beam is connected with the barrel through a T-shaped connecting plate and fixed through screws, the balls are arranged in the barrel, and the piezoelectric elastic end covers are arranged at two ends of the barrel. The method provided by the invention is that the device is placed in a wave environment, under the impact of waves, the buoyancy tank moves to drive the barrel to swing, so that the piezoelectric cantilever beam bends left and right, meanwhile, the ball balls impact the central parts of the two piezoelectric elastic end covers to deform and bend, so that the piezoelectric sheets are subjected to the action of pressure and tension to generate current, and finally, the current is led into the rectifier bridge to be rectified into direct current and is output to an external power storage device.
Description
Technical Field
The invention relates to the fields of friction power generation technology and renewable energy, in particular to a wave impact type piezoelectric energy acquisition device and method.
Background
Along with the improvement of people's living standard, people's demand to the electricity is bigger and bigger, traditional power generation facility structure is complicated, the operation is complicated, the cost is with high costs, and more resources are developed and utilized, various non-renewable resources have become less and less by continuous use, and a large amount of pollution also is producing gradually in the middle of the process of using, waste water, waste gas, the waste residue constantly increases, the environment is destroyed, the required energy of traditional power generation facility needs continuous exploitation and transportation, not only wasted a large amount of manpower and material resources, and produce serious pollution to the environment.
Due to the increasing consumption of non-renewable energy and the increasing prominence of environmental issues, the development and research of new green energy will become a new trend. In contrast, ocean power is a green clean energy that is inexpensive, clean and inexhaustible. Therefore, how to effectively utilize the vast amount of ocean energy contained in the tide and the sea wave has become an important issue for the research in various countries today. As a new research field, the method efficiently collects and stores the energy in the ocean wave by using an effective technical means to realize the sustainable operation of the micro-nano system, has great significance for realizing the sustainable development, and is a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides a wave impact type piezoelectric energy collecting device, which comprises a plurality of buoyancy tanks connected together through hoses to form a buoyancy tank array, wherein each buoyancy tank comprises a tank body, an energy collecting device and a rectifier bridge, and the collecting device and the rectifier bridge are arranged in the tank body.
Wherein the energy collection device is a cantilever structure.
The energy acquisition device comprises a piezoelectric cantilever beam, a barrel, three balls and two piezoelectric elastic end covers, wherein the piezoelectric cantilever beam is connected with the barrel through a T-shaped connecting plate and fixed through screws, the balls are arranged in the barrel, and the piezoelectric elastic end covers are arranged at two ends of the barrel.
The piezoelectric cantilever beam is sequentially composed of an elastic beam, a first piezoelectric sheet and an electrode film.
The elastic beam is made of copper sheets, the first piezoelectric sheet is made of lead zirconate titanate piezoelectric ceramics, and the electrode film is made of a gold film.
The piezoelectric elastic end cover comprises two metal sheet electrodes, a second piezoelectric sheet and two wiring terminals, wherein the second piezoelectric sheet is arranged between the two metal sheet electrodes, and the two wiring terminals are respectively arranged on the outer sides of the two metal sheet electrodes; the metal sheet electrode and the second piezoelectric sheet are processed into the same shape, a through hole is formed in the outer ring and used for being fixed with the barrel through a screw, and the middle disc is connected with the outer ring through the piezoelectric cantilever beam.
The metal sheet electrodes are made of copper sheets, and the second piezoelectric sheets are made of lead zirconate titanate piezoelectric ceramics.
The second aspect of the invention provides a wave impact type piezoelectric energy collection method, wherein a piezoelectric energy collection device is placed in a wave environment, under the impact of waves, a buoyancy tank moves to drive a barrel in the energy collection device in a tank to swing, so that a piezoelectric cantilever beam bends left and right, a first piezoelectric plate is subjected to pressure and tension to generate current, and the current is led into a rectifier bridge through a lead to be rectified into direct current to be output to an external power storage device; meanwhile, the ball impacts the central parts of the two piezoelectric elastic end covers to enable the piezoelectric elastic end covers to deform and bend, so that the second piezoelectric sheet generates current under the action of pressure and tension, and the current is led into a rectifier bridge through a metal sheet electrode and a connecting terminal and rectified into direct current to be output to an external power storage device.
The invention has the beneficial effects that:
the piezoelectric energy collecting device provided by the invention has scientific and reasonable design and great flexibility in combination, small power generation units can be matched into large power generation units at will, and the power generation units can be simply, rapidly and repeatedly expanded; and the method has the advantages of no pollution, inexhaustibility and high conversion rate, and can meet the requirements of people on daily life and social great development.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it should be obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a piezoelectric energy harvesting device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a buoyancy tank in the piezoelectric energy harvesting device provided by the embodiment of the invention;
FIG. 3 is a schematic structural diagram of an energy collection device in a piezoelectric energy collection device according to an embodiment of the present invention;
FIG. 4 is a side view of an energy collection device in a piezoelectric energy collection device provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a piezoelectric cantilever in a piezoelectric energy harvesting device provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a piezoelastic end cap in a piezoelectric energy collection device according to an embodiment of the present invention;
FIG. 7 is a plan view of a piezoelastic end cap in a piezoelectric energy harvesting device provided in accordance with an embodiment of the present invention;
the names corresponding to the reference numbers in the drawings are as follows: 1-buoyancy tank, 11-box body, 12-energy collecting device, 121-piezoelectric cantilever beam, 1211-elastic beam, 1212-first piezoelectric plate, 1213-electrode film, 122-round barrel, 123-ball, 124-piezoelectric elastic end cover, 1241-metal plate electrode, 1242-second piezoelectric plate, 1243-connecting terminal, 125-T type connecting plate, 13-rectifier bridge and 2-hose.
Detailed Description
The following is a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements are also considered to be within the scope of the present invention.
The invention provides a wave impact type piezoelectric energy acquisition device, which is characterized in that as shown in figures 1-7, a plurality of buoyancy tanks 1 are connected together through hoses 2 to form a buoyancy tank array, each buoyancy tank 1 consists of a tank body 11, an energy acquisition device 12 and a rectifier bridge 13, and the acquisition device 12 and the rectifier bridge 13 are arranged in the tank body 11.
The energy collection device 12 is of a cantilever type structure, the energy collection device 12 is composed of a piezoelectric cantilever beam 121, a barrel 122, three balls 123 and two piezoelectric elastic end covers 124, the piezoelectric cantilever beam 121 is connected with the barrel 122 through a T-shaped connecting plate 125 and fixed through screws, the balls 123 are arranged in the barrel 122, and the piezoelectric elastic end covers 124 are arranged at two ends of the barrel 122.
The piezoelectric cantilever beam 121 is sequentially composed of an elastic beam 1211, a first piezoelectric sheet 1212 and an electrode thin film 1213, wherein the elastic beam 1211 is made of a copper sheet, the first piezoelectric sheet 1212 is made of lead zirconate titanate piezoelectric ceramic, and the electrode thin film 1213 is made of a gold thin film. The piezoelectric elastic end cap 124 is composed of two sheet metal electrodes 1241, a second piezoelectric sheet 1242 and two connecting terminals 1243, the second piezoelectric sheet 1242 is disposed between the two sheet metal electrodes 1241, and the two connecting terminals 1243 are respectively disposed at outer sides of the two sheet metal electrodes 1241; the metal sheet electrode 1241 and the second piezoelectric sheet 1242 are processed into the same shape, and a through hole is formed in an outer ring for fixing with the drum 122 by a screw, and a middle disc is connected with the outer ring through the piezoelectric cantilever 121; the metal sheet electrode 1241 is made of a copper sheet, and the second piezoelectric sheet 1242 is made of lead zirconate titanate piezoelectric ceramic.
The method for collecting energy by adopting the wave impact type piezoelectric energy collecting device provided by the invention comprises the following steps: under the impact of waves, the buoyancy tank 1 moves to drive the barrel 122 in the energy acquisition device 12 in the tank body 11 to swing, so that the piezoelectric cantilever beam 121 bends left and right, the first piezoelectric sheet 1212 is subjected to the action of pressure and tension to generate current, and the current is led into the rectifier bridge 13 through the wire connecting elastic beam 1211 and the electrode film 1213 to be rectified into direct current and output to an external power storage device; meanwhile, the balls 123 impact the central parts of the two piezoelectric elastic end caps 124 to deform and bend the piezoelectric elastic end caps 124, so that the second piezoelectric sheet 1242 is subjected to pressure and tension to generate current, and the current is led into the rectifier bridge 13 through the sheet metal electrode 1241 and the connecting terminal 1243 to be rectified into direct current and output to an external power storage device.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a wave impact formula piezoelectric energy collection system which characterized in that: the device is connected together through hose (2) by a plurality of flotation tanks (1) and is formed the flotation tank array, flotation tank (1) comprises box (11), energy collection device (12) and rectifier bridge (13), collection device (12) with rectifier bridge (13) set up in box (11).
2. A wave impact piezoelectric energy harvesting apparatus according to claim 1, wherein: the energy harvesting device (12) is of a cantilever type structure.
3. A wave impact piezoelectric energy harvesting apparatus according to claim 2, wherein: the energy acquisition device (12) comprises a piezoelectric cantilever beam (121), a barrel (122), three balls (123) and two piezoelectric elastic end covers (124), wherein the piezoelectric cantilever beam (121) is connected with the barrel (122) through a T-shaped connecting plate (125) and fixed through screws, the balls (123) are arranged in the barrel (122), and the piezoelectric elastic end covers (124) are arranged at two ends of the barrel (122).
4. A wave impact piezoelectric energy harvesting apparatus according to claim 3, wherein: the piezoelectric cantilever beam (121) is composed of an elastic beam (1211), a first piezoelectric sheet (1212) and an electrode film (1213) in sequence.
5. A wave impact piezoelectric energy harvesting apparatus according to claim 4, wherein: the elastic beam (1211) is made of a copper sheet, the first piezoelectric sheet (1212) is made of lead zirconate titanate piezoelectric ceramic, and the electrode thin film (1213) is made of a gold thin film.
6. A wave impact piezoelectric energy harvesting apparatus according to claim 3, wherein: the piezoelectric elastic end cover (124) is composed of two metal sheet electrodes (1241), a second piezoelectric sheet (1242) and two wiring terminals (1243), the second piezoelectric sheet (1242) is arranged between the two metal sheet electrodes (1241), and the two wiring terminals (1243) are respectively arranged on the outer sides of the two metal sheet electrodes (1241); the metal sheet electrode (1241) and the second piezoelectric sheet (1242) are processed into the same shape, a through hole is formed in an outer ring and used for being fixed with the drum (122) through a screw, and the middle disc is connected with the outer ring through the piezoelectric cantilever beam (121).
7. A wave impact piezoelectric energy harvesting apparatus according to claim 6, wherein: the metal sheet electrodes (1241) are made of copper sheets, and the second piezoelectric sheets (1242) are made of lead zirconate titanate piezoelectric ceramics.
8. A wave impact type piezoelectric energy collection method is characterized in that: the piezoelectric energy acquisition device is placed in a wave environment, under the impact of waves, the buoyancy tank (1) moves to drive the barrel (122) in the energy acquisition device (12) in the tank body (11) to swing, so that the piezoelectric cantilever beam (121) bends left and right, the first piezoelectric sheet (1212) is subjected to pressure and tension to generate current, and the current is led into the rectifier bridge (13) through the wire connecting elastic beam (1211) and the electrode film (1213) to be rectified into direct current to be output to an external power storage device; meanwhile, the ball (123) impacts the central parts of the two piezoelectric elastic end covers (124) to deform and bend the piezoelectric elastic end covers (124), so that the second piezoelectric sheet (1242) generates current under the action of pressure and tension, and the current is led into a rectifier bridge (13) through the sheet metal electrode (1241) and the wiring terminal (1243) to be rectified into direct current and output to an external power storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013411.3A CN110829891A (en) | 2019-10-23 | 2019-10-23 | Wave impact type piezoelectric energy acquisition device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013411.3A CN110829891A (en) | 2019-10-23 | 2019-10-23 | Wave impact type piezoelectric energy acquisition device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110829891A true CN110829891A (en) | 2020-02-21 |
Family
ID=69550294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911013411.3A Pending CN110829891A (en) | 2019-10-23 | 2019-10-23 | Wave impact type piezoelectric energy acquisition device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829891A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114283562A (en) * | 2021-12-08 | 2022-04-05 | 江苏科技大学 | Early warning system and early warning method for offshore trestle |
-
2019
- 2019-10-23 CN CN201911013411.3A patent/CN110829891A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114283562A (en) * | 2021-12-08 | 2022-04-05 | 江苏科技大学 | Early warning system and early warning method for offshore trestle |
| CN114283562B (en) * | 2021-12-08 | 2023-12-22 | 江苏科技大学 | Marine trestle early warning system and early warning method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110311590B (en) | Controllable piezoelectric power generation device based on vortex-induced vibration principle | |
| CN104595096A (en) | Wave energy, wind energy and tidal current energy combined power generating device | |
| CN206290361U (en) | A kind of ocean wave energy piezoelectric generating device | |
| CN105846720A (en) | Piezoelectric transducer and piezoelectric wave energy collecting device employing same | |
| CN103195640A (en) | Array wave power generating device | |
| CN106787944A (en) | A kind of piezoelectric transducer | |
| CN107592030A (en) | A kind of piezoelectric generating device using wave energy | |
| CN104578908A (en) | Wind power generation device | |
| CN107171595B (en) | Flexible piezoelectric device for generating power by using ocean energy | |
| CN111140426B (en) | Wave power generation device based on friction power generation principle | |
| CN110829891A (en) | Wave impact type piezoelectric energy acquisition device and method | |
| CN111082703A (en) | Lamp buoy power supply device and lamp buoy with same | |
| KR101048881B1 (en) | Wave power generator | |
| CN202991333U (en) | Wave generator | |
| CN210629373U (en) | Wave impact type piezoelectric energy acquisition device | |
| CN201781430U (en) | Aboard piezoelectric generating device | |
| CN207620963U (en) | A kind of raft formula wave energy generating set based on piezoelectric effect | |
| CN106677972B (en) | A kind of inkfish shape wave current power generator and method using cylinder wake flow vortex shedding | |
| CN210693801U (en) | Wave impact type piezoelectric-friction energy collecting device | |
| CN205725110U (en) | Vibrational energy harvester in Novel pressure electric-type water | |
| CN107565851A (en) | A kind of piezoelectric energy trapping device for the energy supply of pneumatic system sensor | |
| CN209115248U (en) | Wave energy generating set | |
| CN207033644U (en) | A kind of electric generator using sea wave energy based on piezo-electric effect | |
| CN202073694U (en) | Generating set | |
| CN103807089A (en) | Electricity generating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |