WO2011011967A1 - 压电陶瓷式机电能量转换器及包含该转换器的发电机 - Google Patents

压电陶瓷式机电能量转换器及包含该转换器的发电机 Download PDF

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Publication number
WO2011011967A1
WO2011011967A1 PCT/CN2010/001123 CN2010001123W WO2011011967A1 WO 2011011967 A1 WO2011011967 A1 WO 2011011967A1 CN 2010001123 W CN2010001123 W CN 2010001123W WO 2011011967 A1 WO2011011967 A1 WO 2011011967A1
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Prior art keywords
energy converter
piezoelectric ceramic
piezoelectric
piezoelectric vibrator
electromechanical energy
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PCT/CN2010/001123
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English (en)
French (fr)
Inventor
芮国林
王毅君
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江苏亿隆新能源科技发展有限公司
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Publication of WO2011011967A1 publication Critical patent/WO2011011967A1/zh

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186Vibration harvesters

Definitions

  • the present invention relates to an energy converter, and in particular to a piezoelectric ceramic electromechanical energy converter.
  • the invention further relates to a generator comprising the piezoelectric ceramic type electric energy converter. Background technique
  • piezoelectric ceramic materials have a "positive piezoelectric effect", that is, when a piezoelectric ceramic material is subjected to mechanical force to instantaneously deform to generate electric energy. Human beings generate a large amount of ineffective mechanical energy during work and life. If these ineffective mechanical energy is collected and converted into electric energy through a power generator and stored in the energy storage device to provide electricity for people, people will not be able to replace the inexhaustible renewable energy. Renewable energy, protect the environment, and benefit future generations. Summary of the invention
  • the piezoelectric ceramic electromechanical energy converter is easy to use and easy to maintain, and collects and converts a large amount of ineffective mechanical energy generated by people during work and life into electric energy to provide inexhaustible renewable energy for human beings.
  • the piezoelectric ceramic energy converter comprises an open outer casing, a piezoelectric vibrator, a limiting post, an elastic plate and a pressure plate, wherein the limiting post is fixed in the open outer casing, and is installed at a bottom of the space provided by the limiting post.
  • the elastic plate and the pressure plate are sequentially disposed in the upper direction of the piezoelectric vibrator.
  • the pressure plate of the energy converter is mounted on the limit post via a damper.
  • the bottom of the elastic plate of the energy converter is provided with a buffer block to cooperate with the piezoelectric vibrator.
  • the bottom of the elastic plate of the energy converter is provided with a pressing block and a buffer block to cooperate with the piezoelectric vibrator.
  • the generator of the present invention includes the above-described piezoelectric ceramic energy converter, power manager and energy storage device; the piezoelectric ceramic energy converter is coupled to a power manager, and the power manager is coupled to the energy storage device.
  • a set of energy converters is first installed under the vibration damping device of the transportation vehicle, or installed under the road surface of the highway, the railway, and the public place, and the power manager and the energy storage device are installed at On the vehicle or at a certain place, the positive and negative poles of the piezoelectric vibrator of the energy converter are connected to the power manager through wires.
  • the electrical energy is converted into regular energy output through the power manager and stored in the energy storage device for people to use.
  • the generator of the invention collects and converts a large amount of ineffective mechanical energy generated by people during work and life into electric energy, and provides inexhaustible renewable energy for human beings.
  • FIG. 1 is a schematic longitudinal sectional structural view of an energy converter according to the present invention
  • FIG. 2 is a schematic longitudinal sectional structural view of another energy converter according to the present invention
  • FIG. 3 is a schematic longitudinal sectional view showing another energy converter of the present invention.
  • FIG. 4 is a structural block diagram of a generator of the present invention. detailed description
  • the energy converter 9 includes an open casing 5, a piezoelectric vibrator 4, a limiting post 6, a spring plate 2 and a pressure plate 1, and the two side limiting posts are fixed to the open casing 5 Inside, the piezoelectric vibrator 4 is mounted at the bottom of the space provided by the limiting post 6, and the elastic plate 2 and the pressing plate 1 are sequentially disposed in the upper direction of the piezoelectric vibrator 4.
  • the pressure plate 1 is mounted on the limit post 6 via a damper 8.
  • the shock absorber 8 can be equipped with a spring damper, although other types of dampers can be used.
  • a buffer block 7 is installed between the elastic plate 2 and the piezoelectric vibrator 4, as shown in Fig. 2.
  • the buffer block 7 can adopt any high elastic Made of high-toughness materials, including but not limited to rubber bumpers.
  • a compact 3 is installed between the elastic plate 2 and the buffer block 7, as shown in Fig. 3.
  • the open casing 5 is prepared, and then the limit bars 6 are fixedly mounted on the open casing 5. Place the piezoelectric vibrator 4 on the bottom of the space bounded by the limit posts 6 on both sides. Subsequently, the elastic plate 2 and the platen 1 are sequentially placed in the direction of the piezoelectric vibrator 4.
  • the pressure plate 1 is mounted on the limit post 6 via a spring damper 8.
  • the buffer block 7 and the press block 3 may be placed above the piezoelectric vibrator 4, and then the elastic plate 2 and the press plate 1 are placed.
  • the open outer casing 5 can be formed in a cylindrical or square shape or any other vertical shape.
  • the pressing plate 1, the elastic plate 2, the pressing block 3, the piezoelectric vibrator 4, the limiting post 6 and the buffering block 7 can be formed into a shape that cooperates with the open outer casing 5.
  • the limiting post 6 can also be formed into a cylindrical shape having a small diameter and a height, and the pressing plate 1, the elastic plate 2, the pressing block 3, and the piezoelectric vibrator 4 And the buffer block 7 is also formed into a corresponding shape.
  • the energy converter of the present invention When the energy converter of the present invention is in operation, a large amount of ineffective mechanical energy generated by human beings during work and life passes the platen 1 to deform the elastic plate 2, and when the energy is concentrated to a certain amount, the elastic plate 2 is pressed by the compact 3 and buffered.
  • the block 7 deforms the piezoelectric vibrator 4 to generate electric energy, and the platen 1 is again reset by the damper 8 and the elastic plate 2 to the initial state to prepare for the next energy accumulation.
  • Fig. 4 is a block diagram showing the structure of a generator of the present invention.
  • the generator includes an energy converter 9 (19 or 29) as shown in any of Figures 1-3.
  • the energy converter converts mechanical energy into electrical energy, and then passes through a power manager: 10 to convert the usable electrical energy to the energy storage device 11 for use by people.
  • the generator shown in Figure 4 is installed with a set of energy converters 9 (19 or 29) installed under the vibration damping device of the vehicle or installed on the highway, railway, public roads, power supply
  • the manager 10 and the accumulator 11 are mounted on the vehicle or at a certain place, and the positive and negative poles of the piezoelectric vibrator 4 of the energy converter 9 (19 or 29) are connected to the power manager 10 through wires; the electric energy is passed through the power manager 10
  • the power output that becomes available is stored in the accumulator 11 for use by people.

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  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Description

压电陶瓷式机电能量转换器 及包含该转换器的发电机
技术领域
本发明涉及一种能量转换器, 具体涉及一种压电陶瓷式 机电能量转换器。 本发明还涉及一种包含所述压电陶瓷式机 电能量转换器的发电机。 背景技术
众所周知, 压电陶瓷材料具有 "正压电效应", 也就是 当压电陶瓷材料受到机械力冲击瞬间形变产生电能。 人类在 工作、 生活过程中产生大量无效机械能, 如果通过发电机将 这些无效机械能收集且转变为电能经电源管理器存放在储 能器为人们提供使用电能, 人们将获得的不竭再生能源替代 不可再生能源, 保护环境, 为子孙后代造福。 发明内容
本发明的目的在于: 提供一种压电陶瓷式机电能量转换 器。所述的压电陶瓷式机电能量转换器使用方便,维护容易, 将人们在工作、 生活过程中产生的大量无效机械能收集且转 变为电能, 为人类提供不竭再生能源。
本发明的目的还在于提供一种包含所述压电陶瓷式机 电能量转换器的发电机。
所述的压电陶瓷式能量转换器包括敞口外壳、 压电振 子、 限位柱、 弹力板和压板, 限位柱固定于所述的敞口外壳 内, 在限位柱设置的空间底部安装压电振子, 压电振子的上 方向上依次安置弹力板和压板。
在本发明的一种具体实施方式中, 所述的能量转换器的 压板经减振器安装在限位柱上。
在本发明的又一种具体实施方式中, 所述的能量转换器 的弹力板的底部安装缓冲块配合压电振子。
在本发明的再一种具体实施方式中, 所述的能量转换器 的弹力板的底部安装压块和缓冲块配合压电振子。
本发明中的发电机包括上述的压电陶瓷式能量转换器、 电源管理器和储能器; 所述的压电陶瓷式能量转换器联接电 源管理器, 电源管理器联接储能器。
所述的发电机在安装时, 首先将一组能量转换器安装在 交通运输工具的减振装置下, 或安装在高速公路、 铁路、 公 共场所的路面下, 电源管理器和储能器安装在交通工具上或 某场所, 能量转换器的压电振子的正负极通过导线接电源管 理器上。 电能经电源管理器变成规则的电能输出存放于储能 器供人们使用。
本发明的发电机将人们在工作、 生活过程中产生的大量 无效机械能收集且转变为电能, 为人类提供不竭再生能源。 附图说明
图 1为本发明一种能量转换器的纵向剖面结构示意图; 图 2 为本发明又一种能量转换器的纵向剖面结构示意 图;
图 3为为本发明再一种能量转换器的纵向剖面结构示意 图;
图 4为本发明一种发电机的结构原理框图。 具体实施方式
下面结合附图对本发明做进一步说明。 应该清楚, 附图 中所描述的本发明的具体实施方式仅为说明本发明用, 并不 构成对本发明的限制。 本发明的保护范围由所附的权利要求 书进行限定。
如图 1所示, 所述的能量转换器 9包括敞口外壳 5、 压 电振子 4、 限位柱 6、 弹力板 2和压板 1, 两侧限位柱固定于 所述的敞口外壳 5内, 在限位柱 6设置的空间底部安装压电 振子 4, 压电振子 4的上方向上依次安置弹力板 2和压板 1。
所述的压板 1经减振器 8安装在限位柱 6上。 所述的减 震器 8可釆用弹簧减震器,当然也可采用其它形式的减震器。
为了减少冲击, 在所述的弹力板 2和压电振子 4之间安 装缓冲块 7, .如图 2所示。 所述的缓冲块 7可采用任何高弹 性、 高韧性的材料制成, 包括但不限于橡胶缓冲块。
为了进一歩较少冲击, 提高能量转换器的寿命, 在所述 的的弹力板 2和缓冲块 7之间安装压块 3, 如图 3所示。
在安装如图 1所示的能量转换器 9时, 先准备敞口外壳 5, 然后在敞口外壳 5固定安装两侧限位柱 6。 将压电振子 4 放置于由两侧限位柱 6限制的空间底部。 随后, 在压电振子 4上方向上依次放置弹力板 2和压板 1。 所述的压板 1通过 弹簧减震器 8安装在限位柱 6上。 基于减少冲击的目的, 在 压电振子 4上方可以先放置缓冲块 7和压块 3, 然后再放置 弹力板 2和压板 1。
所述的敞口外壳 5可做成圆柱形或方形或其它任意的立 体形状。 相应地, 所述的压板 1、 弹力板 2、 压块 3、 压电振 子 4、限位柱 6及缓冲块 7可做成与敞口外壳 5配合的形状。 例如, 当敞口外壳 5做成圆柱形形时, 所述的限位柱 6也可 做成直径和高度都较小的圆柱形,压板 1、弹力板 2、压块 3、 压电振子 4及缓冲块 7也做成相应的形状。
本发明中的能量转换器工作时, 人类在工作、 生活过程 中产生的大量无效机械能通过压板 1使弹力板 2形变集聚能 量, 当能量集聚到一定量时, 弹力板 2经压块 3和缓冲块 7 使压电振子 4形变产生电能, 压板 1再由减振器 8和弹力板 2复位至起始状态准备下一次的能量集聚。
图 4示出了本发明一种发电机的结构原理框图。 如图 4 所示, 所述的发电机包含图 1-3中任意一图所示的能量转换 器 9 ( 19或 29)。 所述的能量转换器将机械能转换成电能, 然后经过电源管理器: 10 转换成可使用的电能储存于储能器 11供人们使用。
图 4中所示的发电机在安装时,将一组能量转换器 9 ( 19 或 29)安装在交通运输工具的减振装置下, 或安装在高速公 路、 铁路、 公共场所的路面下, 电源管理器 10和储能器 11 安装在交通工具上或某场所, 能量转换器 9 ( 19或 29) 的压 电振子 4的正负极通过导线接电源管理器 10上; 电能经电 源管理器 10变成可使用的电能输出存放于储能器 11供人们 使用。
基于对本发明优选实施方式的描述, 应该清楚, 由所附 的权利要求书所限定的本发明并不仅仅局限于上面说明书 中所阐述的特定细节, 未脱离本发明宗旨或范围的对本发明 的许多显而易见的改变同样可能达到本发明的目的。

Claims

权 利 要 求
1、 一种压电陶瓷式机电能量转换器, 其特征在于, 所 述的压电陶瓷式机电能量转换器包括敞口外壳、 压电振子、 限位柱、 弹力板和压板; 限位柱固定安装在敞口外壳内, 在 所述限位柱限制的空间底部安装压电振子, 压电振子的上方 向上依次安置弹力板和压板。
2、 根据权利要求 1所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的压板经减振器安装在限位柱上。
3、 根据权利要求 2所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的能量转换器的弹力板的底部安装缓冲块 配合压电振子。
4、 根据权利要求 2所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的能量转换器的弹力板的底部安装压块和 缓冲块配合压电振子。
5、 根据权利要求 1所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的敞口外壳为圆柱形。
6、 根据权利要求 1所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的敞口外壳为方形。
7、 根据权利要求 2所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的减震器为弹簧减震器。
8、 根据权利要求 3所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的缓冲块为橡胶缓冲块。
9、 一种发电机, 其特征在于, 所述的发电机包括:
至少一个能量转换器;
电源管理器; 和
储能器;
其中所述的能量转换器通过导线联接电源管理器, 电源管理器联接储能器; 并且所述的能量转换器包括敞口外 壳、 压电振子、 限位柱、 弹力板和压板; 限位柱固定安装在 敞口外壳内, 在所述限位柱设置的空间底部安装压电振子, 压电振子的上方向上依次安置弹力板和压板。
10、根据权利要求 9所述的压电陶瓷式机电能量转换器, 其特征在于: 所述的压板经减振器安装在限位柱上。
11、 根据权利要求 10 所述的压电陶瓷式机电能量转换 器, 其特征在于, 所述的能量转换器的弹力板的底部安装缓 冲块配合压电振子。
12、 根据权利要求 10 所述的压电陶瓷式机电能量转换 器, 其特征在于, 所述的能量转换器的弹力板的底部安装压 块和缓冲块配合压电振子。
13、根据权利要求 9所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的敞口外壳为圆柱形。
14、根据权利要求 9所述的压电陶瓷式机电能量转换器, 其特征在于, 所述的敞口外壳为方形。 、 根据权利要求 10 所述的压电陶瓷式机电能量转换 征在于 所述的减震器为弹簧减震器。
PCT/CN2010/001123 2009-07-30 2010-07-26 压电陶瓷式机电能量转换器及包含该转换器的发电机 WO2011011967A1 (zh)

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