CN104158254A - Electromagnetic piezoelectric composite type vibration energy conversion circuit - Google Patents
Electromagnetic piezoelectric composite type vibration energy conversion circuit Download PDFInfo
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- CN104158254A CN104158254A CN201410410647.1A CN201410410647A CN104158254A CN 104158254 A CN104158254 A CN 104158254A CN 201410410647 A CN201410410647 A CN 201410410647A CN 104158254 A CN104158254 A CN 104158254A
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Abstract
The invention discloses an electromagnetic piezoelectric composite type vibration energy conversion circuit which comprises a piezoelectric energy collection rectification circuit (1), an electromagnetic energy collection rectification circuit (2), an energy storage circuit (3) and a voltage regulating circuit (4). The above four circuits are connected according to an electrical circuit mode to form the electromagnetic piezoelectric composite type vibration energy conversion circuit. The rectification circuits (1) (2) are used for converting alternating current outputted by electromagnetic and piezoelectric power generation bodies into direct current, two parts of electrical energy are stored in the energy storage circuit (3), and needed voltage is outputted after the conditioning voltage transformation of the voltage regulating circuit (4). According to the electromagnetic piezoelectric composite type vibration energy conversion circuit, the electromagnetic and piezoelectric energy collection modes are integrated, two types of energy are integrated to share the voltage regulating circuit, the complex degree of the circuit is low, the output power is greatly raised, and the efficiency of electrical energy conversion is improved.
Description
Technical field
The present invention relates to vibrational energy change-over circuit, relate in particular to a kind of piezoelectric effect and the self-powered circuit of electromagnetic induction to ambient vibration Energy extraction of utilizing.
Background technology
Along with the scarcity day by day of energy resources and the enhancing day by day of mankind's environmental consciousness, people also strengthen day by day to the demand of reliably uninterrupted electric power, tradition and single Blast Furnace Top Gas Recovery Turbine Unit (TRT) can not meet the mankind's needs, mixed tensor gathering-device coordinates super capacitor circuit to use, the environmental energy of collecting is stored, realize load supplying.At some low power consuming devices, during as wireless sensor network node or the hazardous area such as inflammable and explosive, battery altering problem is difficult to solve especially, the self-contained electric system of this uniqueness can be in many electronic equipments substituting battery.Occurring in nature vibration is ubiquitous, as wave fluctuation, produces up-down vibration, automobile bumpiness etc. when people walks, vibrational energy is collected can be divided into piezoelectric type, electrostatic, magneto-electric etc., but energy collecting device can only be collected single energy at present, and capacity usage ratio is low, and energy conversion efficiency is low.
Summary of the invention
The object of the invention is to: a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits is provided, and circuit is simple, collect electromagnetism or piezoelectric energy, obviously improve efficiency of energy collection, increase power output, improve capacity usage ratio and energy conversion efficiency.
Technical solution of the present invention is: this circuit comprises that piezoelectric energy is collected rectification circuit, electromagnetic energy is collected rectification circuit, accumulator and regulating circuit, and piezoelectric energy is collected rectification circuit, electromagnetic energy is collected rectification circuit, accumulator and regulating circuit and connected to form a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits according to electric circuit type; Rectification circuit is used for converting the alternating current of electromagnetism and the output of piezo-electric generating body to direct current, two parts electric energy is under accumulator stores, then after regulating circuit conditioning transformation, export required voltage, between accumulator and regulating circuit, with non-return diode, be connected.
Wherein, described rectification circuit comprises rectifier DF1 and the DF2 of two model DF005S, and rectifier DF1 output electric energy stores at super capacitor C1, and rectifier DF2 output electric energy stores at super capacitor C2.
Wherein, described accumulator comprises two super capacitor C1 and C2, also comprise two non-return diode D1 and D2, rectifier DF1 output electric energy is stored at super capacitor C1, C1 output is in parallel through non-return diode D1 and super capacitor C2, the electric energy one direction that C1 stores is sent to C2 and stores, and rectifier DF2 output electric energy is first stored at super capacitor C2 after non-return diode D1.
Wherein, described regulating circuit is connected according to electric circuit type with R2, an inductance L 1 by a direct current voltage reulation chip TPS62200, four capacitor C 3, C4, C5 and C6, two resistance R 1, the resistance sum of resistance R 1 and R2 is no more than 1 M Ω, the ratio of R1 and R2 determines the size of output voltage, the ratio of the ratio of C4 and C5 and R1 and R2 is reciprocal each other, L1 filter inductance value is 10 μ H, and C6 filter capacitor value is 10 μ F.
The present invention has following beneficial effect:
(1) circuit structure is simple, in limited volume, collects two kinds of electric energy of magnetoelectricity and piezoelectricity simultaneously.
(2) do not increase under the prerequisite of Blast Furnace Top Gas Recovery Turbine Unit (TRT) volume, improved energy conversion efficiency, increased system power output;
(3) in accumulator, adopt non-return diode to guarantee that the one direction transmission of electric energy stores, blocked the impact of Electromagnetic generation and the load each other of piezo-electric generating unit simultaneously, improved generating efficiency and power output, make system power generation performance more stable;
(4) accumulator and regulating circuit adopt non-return diode to be connected to have guaranteed the one direction transmission conditioning of electric energy, and regulating circuit can regulate level as required, has met the voltage requirements of multiple occasion.
(5) this circuit combines piezoelectric type and magneto-electric collection of energy mode well, with separately separately collection mode compare, improve efficiency of energy collection, more occasions can be used.
(6) this circuit integrated electromagnetism and two kinds of collection of energy modes of piezoelectricity, do not increase under the prerequisite of Blast Furnace Top Gas Recovery Turbine Unit (TRT) volume, improved energy conversion efficiency, increased system power output; In accumulator, adopt non-return diode to guarantee that the one direction transmission of electric energy stores, blocked the impact of Electromagnetic generation and the load each other of piezo-electric generating unit simultaneously, improved generating efficiency and power output, make system power generation performance more stable; Accumulator and regulating circuit adopt non-return diode to be connected to have guaranteed the one direction transmission conditioning of electric energy, and regulating circuit can regulate level as required, has met the voltage requirements of multiple occasion.
Accompanying drawing explanation
Fig. 1 is a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits schematic diagram.
In figure: 1 piezoelectric energy is collected rectification circuit, 2 electromagnetic energies are collected rectification circuit, 3 accumulators, 4 regulating circuits.
Embodiment
Below in conjunction with accompanying drawing, technical scheme is elaborated.
As shown in Figure 1, this circuit comprises that piezoelectric energy is collected rectification circuit 1, electromagnetic energy is collected rectification circuit 2, accumulator 3 and regulating circuit 4, and piezoelectric energy is collected rectification circuit 1, electromagnetic energy is collected rectification circuit 2, accumulator 3 and regulating circuit 4 and connected to form a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits according to electric circuit type; Rectification circuit 1,2 is used for converting the alternating current of electromagnetism and the output of piezo-electric generating body to direct current, two parts electric energy is under accumulator 3 stores, then after regulating circuit 4 conditioning transformations, export required voltage, between accumulator 3 and regulating circuit 4, with non-return diode, be connected.
Wherein, described rectification circuit 1,2 comprises rectifier DF1 and the DF2 of two model DF005S, the electric energy conversion that rectifier DF1 collects piezoelectricity mode becomes direct current, rectifier DF1 output electric energy stores at super capacitor C1, the electric energy conversion that rectifier DF2 collects electromagnetic mode becomes direct current, and rectifier DF2 output electric energy stores at super capacitor C2; The both positive and negative polarity of rectifier DF1 output is connected with the both positive and negative polarity of super capacitor C1, and it is anodal that rectifier DF2 output cathode connects super capacitor C2 through non-return diode D2.
Wherein, described accumulator 3 comprises two super capacitor C1 and C2, also comprise two non-return diode D1 and D2, rectifier DF1 output electric energy is stored at super capacitor C1, C1 output is in parallel through non-return diode D1 and super capacitor C2, the electric energy one direction that C1 stores is sent to C2 and stores, and rectifier DF2 output electric energy is first stored at super capacitor C2 after non-return diode D1.
Wherein, described regulating circuit 4 is connected according to electric circuit type with R2, an inductance L 1 by a direct current voltage reulation chip TPS62200, four capacitor C 3, C4, C5 and C6, two resistance R 1, the resistance sum of resistance R 1 and R2 is no more than 1 M Ω, the ratio of R1 and R2 determines the size of output voltage, the ratio of the ratio of C4 and C5 and R1 and R2 is reciprocal each other, L1 filter inductance value is 10 μ H, and C6 filter capacitor value is 10 μ F, and capacitor C 3 one end connect direct current voltage reulation chip TPS62200 input port V
ione end ground connection, one end of resistance R 1 and capacitor C 4 is connected and is connected with the SW port of direct current voltage reulation chip TPS62200 by inductance L 1, the FB port of another termination direct current voltage reulation chip TPS62200, resistance R 2 connects the FB port of direct current voltage reulation chip TPS62200 after being connected with capacitor C 5 one end, ground connection after the other end is connected, capacitor C 6 one end are connected with the SW port of direct current voltage reulation chip TPS62200 through inductance L 1, other end ground connection.
Claims (4)
1. electromagnetism-piezoelectricity combined vibrating power conversion circuits, it is characterized in that: this circuit comprises that piezoelectric energy is collected rectification circuit (1), electromagnetic energy is collected rectification circuit (2), accumulator (3) and regulating circuit (4), piezoelectric energy is collected rectification circuit (1), electromagnetic energy is collected rectification circuit (2), accumulator (3) and regulating circuit (4) and connected to form a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits according to electric circuit type; Rectification circuit (1,2) is used for converting the alternating current of electromagnetism and the output of piezo-electric generating body to direct current, two parts electric energy stores at accumulator (3), then after regulating circuit (4) conditioning transformation, export required voltage, between accumulator (3) and regulating circuit (4), with non-return diode, be connected.
2. a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits according to claim 1, it is characterized in that: described rectification circuit (1,2) comprises rectifier DF1 and the DF2 of two model DF005S, the electric energy conversion that rectifier DF1 collects piezoelectricity mode becomes direct current, rectifier DF1 output electric energy stores at super capacitor C1, the electric energy conversion that rectifier DF2 collects electromagnetic mode becomes direct current, and rectifier DF2 output electric energy stores at super capacitor C2; The both positive and negative polarity of rectifier DF1 output is connected with the both positive and negative polarity of super capacitor C1, and it is anodal that rectifier DF2 output cathode connects super capacitor C2 through non-return diode D2.
3. a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits according to claim 1, it is characterized in that: described accumulator (3) comprises two super capacitor C1 and C2, also comprise two non-return diode D1 and D2, rectifier DF1 output electric energy is stored at super capacitor C1, C1 output is in parallel through non-return diode D1 and super capacitor C2, the electric energy one direction that C1 stores is sent to C2 and stores, and rectifier DF2 output electric energy is first stored at super capacitor C2 after non-return diode D1.
4. a kind of electromagnetism-piezoelectricity combined vibrating power conversion circuits according to claim 1, it is characterized in that: described regulating circuit (4) is connected according to electric circuit type with R2, an inductance L 1 by a direct current voltage reulation chip TPS62200, four capacitor C 3, C4, C5 and C6, two resistance R 1, the resistance sum of resistance R 1 and R2 is no more than 1 M Ω, the ratio of the ratio of C4 and C5 and R1 and R2 is reciprocal each other, L1 filter inductance value is 10 μ H, C6 filter capacitor value is 10 μ F, and capacitor C 3 one end connect direct current voltage reulation chip TPS62200 input port V
ione end ground connection, one end of resistance R 1 and capacitor C 4 is connected and is connected with the SW port of direct current voltage reulation chip TPS62200 by inductance L 1, the FB port of another termination direct current voltage reulation chip TPS62200, resistance R 2 connects the FB port of direct current voltage reulation chip TPS62200 after being connected with capacitor C 5 one end, ground connection after the other end is connected, capacitor C 6 one end are connected with the SW port of direct current voltage reulation chip TPS62200 through inductance L 1, other end ground connection.
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| CN201410410647.1A CN104158254A (en) | 2014-08-20 | 2014-08-20 | Electromagnetic piezoelectric composite type vibration energy conversion circuit |
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| CN201410410647.1A CN104158254A (en) | 2014-08-20 | 2014-08-20 | Electromagnetic piezoelectric composite type vibration energy conversion circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787070A (en) * | 2016-12-23 | 2017-05-31 | 歌尔科技有限公司 | A kind of self-powered circuit and the wearable device with the self-powered circuit |
| CN107750423A (en) * | 2015-05-13 | 2018-03-02 | 亚萨合莱有限公司 | Mechanical energy is to energy converter |
| CN108512290A (en) * | 2018-04-20 | 2018-09-07 | 西南交通大学 | Integrated apparatus, sensor monitoring system and vehicle |
| CN108712107A (en) * | 2018-05-28 | 2018-10-26 | 深圳市浩博高科技有限公司 | A kind of circuit powered to microcontroller with transient electric-energy and method |
| CN109787333A (en) * | 2018-11-13 | 2019-05-21 | 斯沃德教育科技股份有限公司 | The self-power supply device energized based on vibrating power-generation to wearable device |
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| US20130088020A1 (en) * | 2011-10-11 | 2013-04-11 | Lalitha Vellore Sripathi Rao | Method, System, Apparatus to generate electricity from objects under motion |
| CN103337988A (en) * | 2013-07-22 | 2013-10-02 | 杭州电子科技大学 | Piezoelectricity and electromagnetic coupling-based composite wideband vibration energy collector |
| CN204046237U (en) * | 2014-08-20 | 2014-12-24 | 淮阴工学院 | Combined vibrating Energy extraction circuit |
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2014
- 2014-08-20 CN CN201410410647.1A patent/CN104158254A/en active Pending
Patent Citations (4)
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| CN101917031A (en) * | 2010-07-13 | 2010-12-15 | 宁波杉工结构监测与控制工程中心有限公司 | Wireless sensor device for monitoring health of civil engineering structure |
| US20130088020A1 (en) * | 2011-10-11 | 2013-04-11 | Lalitha Vellore Sripathi Rao | Method, System, Apparatus to generate electricity from objects under motion |
| CN103337988A (en) * | 2013-07-22 | 2013-10-02 | 杭州电子科技大学 | Piezoelectricity and electromagnetic coupling-based composite wideband vibration energy collector |
| CN204046237U (en) * | 2014-08-20 | 2014-12-24 | 淮阴工学院 | Combined vibrating Energy extraction circuit |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750423A (en) * | 2015-05-13 | 2018-03-02 | 亚萨合莱有限公司 | Mechanical energy is to energy converter |
| CN107750423B (en) * | 2015-05-13 | 2021-06-11 | 亚萨合莱有限公司 | Mechanical to electrical energy converter |
| CN107750423B9 (en) * | 2015-05-13 | 2021-08-20 | 亚萨合莱有限公司 | Mechanical to electrical energy converter |
| CN106787070A (en) * | 2016-12-23 | 2017-05-31 | 歌尔科技有限公司 | A kind of self-powered circuit and the wearable device with the self-powered circuit |
| CN108512290A (en) * | 2018-04-20 | 2018-09-07 | 西南交通大学 | Integrated apparatus, sensor monitoring system and vehicle |
| CN108712107A (en) * | 2018-05-28 | 2018-10-26 | 深圳市浩博高科技有限公司 | A kind of circuit powered to microcontroller with transient electric-energy and method |
| CN109787333A (en) * | 2018-11-13 | 2019-05-21 | 斯沃德教育科技股份有限公司 | The self-power supply device energized based on vibrating power-generation to wearable device |
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Application publication date: 20141119 |