CN109600073B - Hydraulic impact type double-rotor power generation device - Google Patents
Hydraulic impact type double-rotor power generation device Download PDFInfo
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- CN109600073B CN109600073B CN201910022368.0A CN201910022368A CN109600073B CN 109600073 B CN109600073 B CN 109600073B CN 201910022368 A CN201910022368 A CN 201910022368A CN 109600073 B CN109600073 B CN 109600073B
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- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 2
- 230000006872 improvement Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Classifications
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- 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
-
- 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
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a hydraulic impact type double-rotor power generation device which comprises a piezoelectric sheet fixing shaft, a rectangular piezoelectric sheet, a shell, an upper end cover, a wire rotary joint, a fixing screw, a rotary joint fixing bearing, an end cover fixing bearing, an arc end cover, a permanent magnet, a coil bearing, a fixing nut, a lower end cover, a coil and a wire, wherein the fixing screw is arranged on the upper end cover; the piezoelectric patch fixing shaft is characterized in that the upper end of the piezoelectric patch fixing shaft is matched with the upper end cover through an end cover fixing bearing, the lower end cover of the lower end of the piezoelectric patch fixing shaft is matched with the lower end cover of the piezoelectric patch fixing shaft, the arc end cover is arranged at the tail end of the rectangular piezoelectric patch fixing shaft and is assembled with the coil fixing end, a permanent magnet is placed in the lower end cover, the rectangular piezoelectric patch electric wire, the coil electric wire and the stator wire are connected in the center of the piezoelectric patch fixing shaft and led out through a rotor wire, the shell is matched with the upper end cover and the lower end cover through bolt holes, and the wire rotary joint is matched with the upper end cover through rotary joint fixing screws.
Description
Technical Field
The invention relates to a hydraulic impact type double-rotor power generation device, and belongs to the field of fluid machinery.
Background
Most of modern power generation devices utilize a single power generation mode to generate power, for example, a power generation mode of utilizing a positive piezoelectric effect to generate power, a power generation mode of utilizing a cut magnetic induction line to generate power and the like, and the single power generation device has the advantages of simple structure, low cost and the like, but the single power generation device has the defects of large electric quantity loss, huge volume and the like, so that the single power generation device is difficult to be widely applied in specific fields and regions, and therefore, the improvement of the generated energy and the reduction of the volume become a difficult problem faced by the current power generation device.
Disclosure of Invention
Aiming at the problems of the existing power generation device, the invention provides the power generation device with large generated energy and simple structure.
The technical scheme adopted by the invention is as follows: a hydraulic impact type double-rotor power generation device consists of a piezoelectric sheet fixing shaft, a rectangular piezoelectric sheet, a shell, an upper end cover, a wire rotary joint, a fixing screw, a rotary joint fixing bearing, an end cover fixing bearing, an arc end cover, a permanent magnet, a coil bearing, a fixing nut, a lower end cover, a coil and a wire;
the shell is provided with an inlet and an outlet, a piezoelectric plate fixing shaft is arranged in the center of the shell, 6 piezoelectric plate fixing holes are formed in the outer portion of the piezoelectric plate fixing shaft, the piezoelectric plate fixing shaft is matched with 6 rectangular piezoelectric plates through the holes, the front section of each rectangular piezoelectric plate is matched with the piezoelectric plate fixing end holes of the circular arc end cover, further assembly is achieved, the piezoelectric plate fixing shaft is provided with a rotary joint fixing bearing end hole to be matched with the rotary joint fixing surface of the wire rotary joint, the lower end of the central inner cavity of the piezoelectric plate fixing shaft is matched with the coil fixing end at the upper end of the coil, the upper end and the lower end of the piezoelectric plate fixing shaft are matched with the upper end cover and the lower end cover through end cover fixing bearings, 6 upper end cover bolt holes are circumferentially arrayed around the upper end cover, 6 lower end cover bolt holes are circumferentially arrayed, a stator groove is formed in the lower end of the lower end cover, the lower end cover is provided with a bearing hole, the shell fixing end face is matched with the upper end cover fixing end face of the upper end cover in a superposition mode, the lower end face of the shell is matched with the lower end cover fixing face of the lower end cover in a superposition mode, and the fixing screw is matched with the lower end cover fixing face of the wire rotary joint through the bolt hole of the shell, and the wire fixing screw hole of the lower end cover is matched with the wire fixing nut of the wire rotary joint, and the wire rotary joint fixing effect of the wire rotary joint is achieved through the wire fixing device of the wire rotary joint;
as a further improvement of the technical scheme, the central part of the rectangular piezoelectric sheet is a rectangular piezoelectric substrate, and the upper surface and the lower surface of the rectangular piezoelectric sheet are piezoelectric ceramics;
as a further improvement of the technical scheme, the arc end cover is concave, when water flow impacts, the front end face of the end cover can better utilize impact force, and the rear end face of the end cover can reduce resistance;
as a further improvement of the technical scheme, 4 permanent magnet stator slots are formed in the lower slot of the lower end cover for placing 4 permanent magnets, the bearing holes of the lower end cover are matched with the coil bearings for fixing the coil bearings, the longitudinal coils are fixed on the surfaces of the coil columns, and the coils rotate in the inner space of the permanent magnets to cut magnetic induction lines for generating electricity;
as a further improvement of the technical scheme, the wire rotary joint consists of a rotor and a stator, the rotor and the upper end cover are matched through a rotary joint fixed bearing, the effect of reducing friction is achieved, and the lower end of the rotor is matched with a wire rotary joint fixed end hole at the upper end of the piezoelectric plate fixed shaft.
As a further improvement of the technical scheme, the wires of the rectangular piezoelectric sheet, the wires of the coil and the rotor wires are connected together at the center of the piezoelectric sheet fixing shaft to form wires which are connected with the rotor wires through wire holes at the fixing end holes of the wire rotary joint, and the generated energy is connected with an external instrument through the stator wires.
The beneficial effects of the invention are as follows: the power generation device can achieve larger generated energy by utilizing the positive piezoelectric effect of the piezoelectric sheet and the cutting magnetic induction line power generation principle;
the electric wires of the rectangular piezoelectric sheet, the electric wires of the coil and the stator lead are connected to the rotor lead and led out of the device, so that the size of the device is reduced, and the processing cost is saved.
Drawings
Fig. 1 shows an exploded view of the present invention.
Fig. 2 is a schematic view of a piezoelectric patch fixing shaft according to the present invention.
Fig. 3 is a schematic view of a rectangular piezoelectric sheet of the present invention.
Fig. 4 is a schematic structural view of the housing of the present invention.
Fig. 5 is a schematic structural view of the upper end cap of the present invention.
Fig. 6 is a schematic structural view of a wire rotary joint according to the present invention.
Fig. 7 is a schematic structural view of the circular arc end cap of the present invention.
Fig. 8 is a schematic view of the structure of the lower end cap of the present invention.
Fig. 9 is a schematic diagram of the structure of the coil of the present invention.
Fig. 10 shows a cross-sectional view of the present invention.
Fig. 11 shows the working principle of the invention.
Fig. 12 is a schematic diagram of the present invention.
Fig. 13 is a schematic view showing a power generation structure of the present invention.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
Referring to fig. 1 to 13, in an embodiment of the present invention, the specific structure includes:
a hydraulic impact type double-rotor power generation device is characterized in that: the device comprises a piezoelectric sheet fixing shaft (1), a rectangular piezoelectric sheet (2), a shell (3), an upper end cover (4), a lead rotary joint (5), a fixing screw (6), a rotary joint fixing screw (7), a rotary joint fixing bearing (8), an end cover fixing bearing (9), a circular arc end cover (10), a permanent magnet (11), a coil bearing (12), a fixing nut (13), a lower end cover (14), a coil (15) and a lead (16); the utility model discloses a piezoelectric device, which is characterized in that an inlet (3-1) and an outlet (3-2) are formed in a shell (3), a piezoelectric piece fixing shaft (1) is arranged in the center of the shell (3), 6 piezoelectric piece fixing holes (1-1) are formed in the outer portion of the piezoelectric piece fixing shaft (1), the piezoelectric piece fixing shaft is matched with 6 rectangular piezoelectric pieces (2), the center of each rectangular piezoelectric piece (2) is provided with a rectangular piezoelectric substrate (2-1), piezoelectric ceramics (2-2) are arranged on the upper surface and the lower surface of each rectangular piezoelectric piece, the front section of each rectangular piezoelectric piece (2) is matched with a piezoelectric piece fixing end hole (10-1) of an arc end cover (10), so that assembly is realized, the arc end cover (10) is concave, when water flow impacts, the front end surface (10-2) of the end cover can better utilize impact force, the rear end surface (10-3) of the end cover can reduce resistance, the piezoelectric piece fixing shaft (1) is provided with a rotary joint fixing bearing end hole (1-3) to be matched with a rotary joint fixing surface (5-6) of a wire rotary joint, the central fixing shaft (1) is matched with a coil (15) of a coil (15) and the upper end cover (14) of the coil (1) and the lower end cover (4) are matched with the upper end cover (14), the upper end cover (4) is circumferentially provided with 6 upper end cover bolt holes (4-2) in array, the lower end cover (14) is circumferentially provided with 6 lower end cover bolt holes (14-2), the lower end of the lower end cover (14) is provided with a stator groove (14-3), the lower end cover (14) is provided with a bearing hole (14-4), the shell fixing end face (3-3) is in coincident fit with the upper end cover fixing end face (4-1) of the upper end cover (4), the lower end face of the shell (3) is in coincident fit with the lower end cover fixing end face (14-1) of the lower end cover (14), the fixing screw (6) is matched with the fixing nut (13) through the bolt holes (3-4) of the shell (3) and the upper end cover bolt holes (4-2) of the upper end cover (4) and the lower end cover bolt holes (14-2) of the lower end cover (14), the rotary joint fixing screw (7) is used for fixing the wire rotary joint (5) through the rotary joint flange (5-3) of the wire rotary joint (4-3) of the wire rotary joint (5), and the wire fixing device is achieved;
the lower end cover (14) is internally provided with 4 permanent magnet fixing slots (14-5) for placing 4 permanent magnets (11), a bearing hole (14-4) of the lower end cover (14) is matched with the coil bearing (12) to fix the coil bearing (12), a longitudinal coil (15-2) is fixed on the surface of a coil column (15-3), and the coil (15) rotates in the inner space of the permanent magnet (11) to cut a magnetic induction line for generating electricity;
the wire rotary joint (5) consists of a rotor (5-1) and a stator (5-2), the rotor (5-1) is matched with the upper end cover (4) through a rotary joint fixed bearing (8), the effect of reducing friction is achieved, and the lower end of the rotor (5-1) is matched with a wire rotary joint fixed end hole (1-4) at the upper end of the piezoelectric sheet fixed shaft (1).
The wire of the rectangular piezoelectric sheet (2) is connected with the wire of the coil (15) and the rotor wire (5-4) at the center of the piezoelectric sheet fixing shaft (1) to form a wire (16), the wire hole (1-2) is connected with the rotor wire (5-4) at the position of the wire rotating joint fixing end hole (1-4), and the generated energy is tested by connecting the stator wire (5-5) with an external instrument.
The working process of the invention is as follows: the water flow flows into the shell (3) from the inlet (3-1) and circularly flows out from the outlet (3-2), in the flowing process, the water flow pushes the rectangular piezoelectric plate (2) fixed on the piezoelectric plate fixing shaft (1) to rotate, the rectangular piezoelectric plate can deform in the rotating process, the electric quantity is generated by utilizing the inverse piezoelectric effect of the rectangular piezoelectric plate, and the rectangular piezoelectric plate generates larger impact deformation quantity and generates larger electric quantity due to the action of the arc end cover (10); meanwhile, the piezoelectric sheet fixing shaft (1) drives the coil (15) to rotate together, the coil (15) makes cutting magnetic induction line movement in the permanent magnet (11) to generate power, the rectangular piezoelectric sheet (2) and the coil (15) are connected with the rotor lead (5-4) by the lead (16) and are connected to an external instrument by the stator lead (5-5), and the effect of collecting and detecting electric quantity is achieved.
The principles and embodiments of the present invention have been described herein with reference to specific examples, but the above description is only intended to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. A hydraulic impact type double-rotor power generation device is characterized in that: the device comprises a piezoelectric sheet fixing shaft (1), a rectangular piezoelectric sheet (2), a shell (3), an upper end cover (4), a lead rotary joint (5), a fixing screw (6), a rotary joint fixing screw (7), a rotary joint fixing bearing (8), an end cover fixing bearing (9), a circular arc end cover (10), a permanent magnet (11), a coil bearing (12), a fixing nut (13), a lower end cover (14), a coil (15) and a lead (16); the utility model discloses a piezoelectric patch fixing device, which is characterized in that an inlet (3-1) and an outlet (3-2) are formed in a shell (3), a piezoelectric patch fixing shaft (1) is arranged in the center of the shell (3), 6 piezoelectric patch fixing holes (1-1) are formed in the outer portion of the piezoelectric patch fixing shaft (1), the piezoelectric patch fixing holes (1-1) are matched with 6 rectangular piezoelectric patches (2), the front section of each rectangular piezoelectric patch (2) is matched with a piezoelectric patch fixing end hole (10-1) of an arc end cover (10), the assembly is further realized, a rotary joint fixing bearing end hole (1-3) formed in the upper end of the piezoelectric patch fixing shaft (1) is matched with a rotary joint fixing surface (5-6) of a wire rotary joint (5), the lower end of a central inner cavity of the piezoelectric patch fixing shaft (1) is matched with a coil fixing end (15-1) at the upper end of a coil (15), the upper end and the lower end of the piezoelectric patch fixing shaft (1) are matched with an upper end cover (4) and a lower end cover (14) through end cover fixing bearings (9), circumferential bolt holes (4-2) around the upper end cover (4) and the lower end cover (14) are arrayed in an array (14-14) of the circumference of the upper end cover and the lower end cover (14), the lower end cover (14) is provided with bearing holes (14-4), 4 permanent magnet fixing slots (14-5) are formed in the lower slot of the lower end cover (14) and are used for placing 4 permanent magnets (11), the bearing holes (14-4) of the lower end cover (14) are matched with the coil bearings (12) and are used for fixing the coil bearings (12), the longitudinal coils (15-2) are fixed on the surfaces of the coil columns (15-3), and the coils (15) rotate in the inner space of the permanent magnets (11) to cut magnetic induction lines to generate power; the shell fixing end face (3-3) is in coincident fit with the upper end cover fixing end face (4-1) of the upper end cover (4), the lower end face of the shell (3) is in coincident fit with the lower end cover fixing end face (14-1) of the lower end cover (14), the fixing screw (6) is matched with the fixing nut (13) through the bolt holes (3-4) of the shell (3) and the upper end cover bolt holes (4-2) of the upper end cover (4) and the lower end cover bolt holes (14-2) of the lower end cover (14), so that the shell fixing effect is achieved, and the rotary joint fixing screw (7) is used for fixing the wire rotary joint (5) through the rotary joint flange (5-3) of the wire rotary joint (5) and the wire rotary joint bolt holes (4-3) of the upper end cover, so that the purpose of the fixing device is achieved; the wire rotary joint (5) consists of a rotor (5-1) and a stator (5-2), the rotor (5-1) is matched with the upper end cover (4) through a rotary joint fixed bearing (8), the friction reduction effect is achieved, and the lower end of the rotor (5-1) is matched with a wire rotary joint fixed end hole (1-4) at the upper end of the piezoelectric sheet fixed shaft (1); the wire of the rectangular piezoelectric sheet (2) is connected with the wire of the coil (15) and the rotor wire (5-4) at the center of the piezoelectric sheet fixing shaft (1) to form a wire (16), the wire hole (1-2) is connected with the rotor wire (5-4) at the position of the wire rotating joint fixing end hole (1-4), and the generated energy is tested by connecting the stator wire (5-5) with an external instrument.
2. A hydraulic-impact dual rotor power generation device according to claim 1, wherein: the center of the rectangular piezoelectric sheet (2) is provided with a rectangular piezoelectric substrate (2-1), and the upper surface and the lower surface of the rectangular piezoelectric sheet (2) are provided with piezoelectric ceramics (2-2).
3. A hydraulic-impact dual rotor power generation device according to claim 1, wherein: the arc end cover (10) is concave, when water flow impacts, the impact force can be better utilized by the front end surface (10-2) of the end cover, and the resistance can be reduced by the rear end surface (10-3) of the end cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022368.0A CN109600073B (en) | 2019-01-10 | 2019-01-10 | Hydraulic impact type double-rotor power generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910022368.0A CN109600073B (en) | 2019-01-10 | 2019-01-10 | Hydraulic impact type double-rotor power generation device |
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| CN109600073A CN109600073A (en) | 2019-04-09 |
| CN109600073B true CN109600073B (en) | 2023-10-03 |
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| CN113241967A (en) * | 2021-06-25 | 2021-08-10 | 上海大学 | Piezoelectric friction electricity hybrid energy collector for wave motion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013055183A2 (en) * | 2011-10-14 | 2013-04-18 | (주)파워이에프씨 | Waterpower generator |
| KR101718249B1 (en) * | 2015-12-23 | 2017-03-22 | 포항공과대학교 산학협력단 | Wave-power generating apparatus |
| CN107875594A (en) * | 2017-11-07 | 2018-04-06 | 广州大学 | A kind of double power generation mode basketballs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209170247U (en) * | 2019-01-10 | 2019-07-26 | 长春工业大学 | A kind of hydraulic blow formula double rotors power generator |
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- 2019-01-10 CN CN201910022368.0A patent/CN109600073B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013055183A2 (en) * | 2011-10-14 | 2013-04-18 | (주)파워이에프씨 | Waterpower generator |
| KR101718249B1 (en) * | 2015-12-23 | 2017-03-22 | 포항공과대학교 산학협력단 | Wave-power generating apparatus |
| CN107875594A (en) * | 2017-11-07 | 2018-04-06 | 广州大学 | A kind of double power generation mode basketballs |
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