CN116169850A - A composite energy harvester - Google Patents
A composite energy harvester Download PDFInfo
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- CN116169850A CN116169850A CN202310128078.0A CN202310128078A CN116169850A CN 116169850 A CN116169850 A CN 116169850A CN 202310128078 A CN202310128078 A CN 202310128078A CN 116169850 A CN116169850 A CN 116169850A
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- magnetic core
- shaped magnetic
- energy
- permanent magnet
- electromagnetic vibration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention belongs to the field of energy collection, and particularly relates to a composite energy collector. The composite energy collector is characterized by comprising: the electromagnetic vibration energy collecting module is used for collecting electromagnetic field energy; the magnetic field energy collecting module is used for collecting magnetic field energy, and the electromagnetic vibration energy collecting module is used for collecting electromagnetic vibration energy; the magnetic field energy collecting module and the electromagnetic vibration energy collecting module share a sleeve and an induction coil. The application forms a composite energy collector through multiplexing of the induction coils, can collect magnetic field energy and electromagnetic vibration energy, and solves the problem that a single energy collecting device is easily influenced by unstable energy sources.
Description
Technical Field
The invention belongs to the field of energy collection, and particularly relates to a composite energy collector.
Background
With the increasing maturity of microelectronic technology, the demand for self-powered wireless sensors and electronics is growing. Most sensors are low voltage low power devices and the application environment is usually extremely complex, so that there is a high requirement for the power supply components used. The energy supply method for the sensor is as follows: micro energy present in the environment is collected, transformed and managed to power devices such as low power sensors.
In an electrical environment, vibration energy and magnetic field energy are commonly covered, such as: in terms of electromagnetic vibration energy, there is a large amount of vibration energy available in power transformers; in terms of magnetic field energy, the leakage flux of the transformer is utilized to have higher energy taking possibility. The existing composite energy collecting device is mainly characterized in that: only vibration energy in the electrical environment is utilized as an energy source, or only magnetic field energy in the electrical environment is utilized as an energy source. However, in practical applications, the unitary energy harvesting device is susceptible to energy source instability, which results in unstable energy supply and affects the operation of other devices.
There is a need for a hybrid energy harvester that can harvest both magnetic field energy and electromagnetic vibration energy.
Disclosure of Invention
In order to solve or improve the problem of unstable energy supply of the single energy collecting device, the invention provides a composite energy collector, which comprises the following specific technical scheme:
the present invention provides a composite energy collector comprising: the electromagnetic vibration energy collecting module is used for collecting electromagnetic field energy; the magnetic field energy collecting module is used for collecting magnetic field energy, and the electromagnetic vibration energy collecting module is used for collecting electromagnetic vibration energy; the magnetic field energy collecting module and the electromagnetic vibration energy collecting module share a sleeve and an induction coil.
Preferably, the magnetic field energy collecting module further comprises: an upper part of the I-shaped magnetic core and a lower part of the I-shaped magnetic core; the upper part of the I-shaped magnetic core is connected with the lower part of the I-shaped magnetic core through a middle column of the I-shaped magnetic core, the sleeve is fixed on the outer wall of the middle column of the I-shaped magnetic core, and the induction coil surrounds the outer side face of the sleeve.
Preferably, the electromagnetic vibration energy harvesting module further comprises: the device comprises a first plane spring, a second plane spring and a permanent magnet; the frame of the first planar spring is connected with the upper part of the I-shaped magnetic core, and the frame of the second planar spring is connected with the lower part of the I-shaped magnetic core; the convex annular surface of the first plane spring is connected with the sleeve, and the convex annular surface of the second plane spring is connected with the sleeve; the permanent magnet is fixed between the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core.
Preferably, grooves are formed in the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core, and the permanent magnet is fixed between the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core through the grooves.
Preferably, the permanent magnets include a first permanent magnet, a second permanent magnet, a third permanent magnet, and a fourth permanent magnet.
Preferably, the permanent magnets are made of Ru-Fe-B materials, and have the same structure and size.
Preferably, the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core are made of ferrite, and have the same structure and size.
Preferably, the first plane spring and the second plane spring are made of titanium alloy, and have the same structure and size.
The beneficial effects of the invention are as follows: the invention combines electromagnetic vibration power generation and magnetic field power generation, and realizes that the same coil is utilized to output electric energy generated by two modules through multiplexing of the coils, so that the structure is simple and compact. The problem of single formula energy harvesting device energy supply unstable is solved, collects magnetic field energy and electromagnetic vibration energy widely distributed in electric power environment, and energy harvesting efficiency and energy supply's stability are high.
Drawings
Fig. 1 is a schematic structural view of a composite energy collector provided according to an embodiment of the present invention.
Fig. 2 is a structural exploded view of a composite energy collector provided in accordance with an embodiment of the present invention.
1-a magnetic field energy collection module; 2-an electromagnetic vibration energy harvesting module; 3-a first permanent magnet; 4-second permanent magnet and 5-third permanent magnet; 6-fourth permanent magnet; 7-an upper part of the I-shaped magnetic core; 8-the lower part of the I-shaped magnetic core; 9-a first planar spring; 10-a second planar spring; 11-a sleeve; 12-induction coil.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In order to solve or improve the technical problem of unstable energy supply of the single-type energy collecting device, the application provides a composite energy collector.
Embodiment one: an embodiment one of the present application provides a schematic structural diagram of a composite energy collector and a schematic structural explosion diagram. Referring to fig. 1 and 2, the composite energy collector proposed in the present application includes:
the electromagnetic vibration energy collection device comprises a magnetic field energy collection module 1 and an electromagnetic vibration energy collection module 2, wherein the magnetic field energy collection module 1 is used for collecting magnetic field energy, and the electromagnetic vibration energy collection module 2 is used for collecting electromagnetic vibration energy. The magnetic field energy harvesting module 1 and the electromagnetic vibration energy harvesting module 2 share a sleeve 11 and an induction coil 12.
The magnetic field energy collecting module 1 further comprises: an upper section 7 of the core and a lower section 7 of the core; the electromagnetic vibration energy harvesting module 2 further comprises: a first flat spring 9, a second flat spring 10 and a permanent magnet.
In practical application, the connection relation of each component is as follows:
the upper part 7 of the I-shaped magnetic core is connected with the lower part 8 of the I-shaped magnetic core through a middle column of the I-shaped magnetic core, the sleeve 11 is fixed on the outer wall of the middle column of the I-shaped magnetic core, and the induction coil 12 surrounds the outer side face of the sleeve 11.
The frame of the first planar spring 9 is connected with the upper part 7 of the I-shaped magnetic core, and the frame of the second planar spring 10 is connected with the lower part 8 of the I-shaped magnetic core; the convex annular surface of the first flat spring 9 is connected with the sleeve 11, and the convex annular surface of the second flat spring 10 is connected with the sleeve 11.
The permanent magnet is fixed between the upper part 7 of the I-shaped magnetic core and the lower part 8 of the I-shaped magnetic core, and comprises a first permanent magnet 3, a second permanent magnet 4, a third permanent magnet 5 and a fourth permanent magnet 6. In practical applications: the upper part 7 of the H-shaped magnetic core and the lower part 8 of the H-shaped magnetic core are provided with grooves, and the first permanent magnet 3, the second permanent magnet 4, the third permanent magnet 5 and the fourth permanent magnet 6 are fixed between the upper part 7 of the H-shaped magnetic core and the lower part 8 of the H-shaped magnetic core through the grooves.
Regarding the permanent magnet, the i-shaped magnetic core, and the planar spring, specific ones are: the manufacturing materials of the permanent magnets are Ru-Fe-B, and the structures and the sizes are the same. The upper part 7 of the I-shaped magnetic core and the lower part 8 of the I-shaped magnetic core are made of ferrite, and have the same structure and size. The first plane spring 9 and the second plane spring 10 are made of titanium alloy, and have the same structure and size.
When in actual work: when vibration excitation exists in the environment, the first plane spring 9 and the second plane spring 10 deform along with the vibration, and the induction coil 12 vibrates up and down under the traction of the plane springs to cut magnetic lines of force. When magnetic field excitation exists in the environment, the upper part 7 of the H-shaped magnetic core and the lower part 8 of the H-shaped magnetic core are magnetized by the magnetic field excitation, and the magnetic flux inside the induction coil 12 wound on the outer wall of the middle column of the H-shaped magnetic core changes. According to the law of pioshal and the faraday electromagnetic effect, an induced electromotive force is generated in the induction coil 12.
Embodiment two: in this embodiment, the permanent magnets include a first permanent magnet, a second permanent magnet, and a third permanent magnet.
In practical application, the permanent magnet is fixed between the upper part of the i-shaped magnetic core and the lower part of the i-shaped magnetic core, specifically: the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core are provided with grooves, and the first permanent magnet, the second permanent magnet and the third permanent magnet are fixed between the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core through the grooves.
Embodiment III: in this embodiment, the permanent magnets include a first permanent magnet and a second permanent magnet.
In practical application, the permanent magnet is fixed between the upper part of the i-shaped magnetic core and the lower part of the i-shaped magnetic core, specifically: the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core are provided with grooves, and the first permanent magnet and the second permanent magnet are fixed between the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core through the grooves.
Embodiment four: in this embodiment, there is one and only one permanent magnet.
In practical application, the permanent magnet is fixed between the upper part of the i-shaped magnetic core and the lower part of the i-shaped magnetic core, specifically: the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core are provided with grooves, and the permanent magnet is fixed between the upper part of the I-shaped magnetic core and the lower part of the I-shaped magnetic core through the grooves.
In summary, the application provides a composite energy collector through multiplexing of coils, and solves the problem of unstable energy supply of a single energy collecting device. The application the combined type energy ware collect widely distributed at electric power environment's magnetic field energy and electromagnetic vibration energy, improved the stability and the efficiency that energy was collected of energy supply.
Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the elements of the examples have been described generally in terms of functionality in the foregoing description to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in this application, it should be understood that the division of units is merely a logic function division, and there may be other manners of division in practical implementation, for example, multiple units may be combined into one unit, one unit may be split into multiple units, or some features may be omitted.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310128078.0A CN116169850A (en) | 2023-02-17 | 2023-02-17 | A composite energy harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310128078.0A CN116169850A (en) | 2023-02-17 | 2023-02-17 | A composite energy harvester |
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| CN116169850A true CN116169850A (en) | 2023-05-26 |
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| CN202310128078.0A Pending CN116169850A (en) | 2023-02-17 | 2023-02-17 | A composite energy harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117412367A (en) * | 2023-09-18 | 2024-01-16 | 宁夏大学 | An energy management method for energy harvesting wireless sensors |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051146A (en) * | 2012-12-20 | 2013-04-17 | 上海宏力半导体制造有限公司 | Energy collection assembly |
| US20130313838A1 (en) * | 2012-05-25 | 2013-11-28 | Nippon Piston Ring Co., Ltd. | Linear motor, linear dynamo, reciprocation-type compressor driving system that is powered by linear motor, and charge system that uses linear dynamo |
| CN109560681A (en) * | 2018-12-29 | 2019-04-02 | 宜兴市贵鑫磁电高科技有限公司 | A kind of closed loop voice coil motor of mobile phone camera module three-winding |
| CN112713744A (en) * | 2020-12-23 | 2021-04-27 | 维沃移动通信有限公司 | Camera module and electronic equipment |
-
2023
- 2023-02-17 CN CN202310128078.0A patent/CN116169850A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130313838A1 (en) * | 2012-05-25 | 2013-11-28 | Nippon Piston Ring Co., Ltd. | Linear motor, linear dynamo, reciprocation-type compressor driving system that is powered by linear motor, and charge system that uses linear dynamo |
| CN103051146A (en) * | 2012-12-20 | 2013-04-17 | 上海宏力半导体制造有限公司 | Energy collection assembly |
| CN109560681A (en) * | 2018-12-29 | 2019-04-02 | 宜兴市贵鑫磁电高科技有限公司 | A kind of closed loop voice coil motor of mobile phone camera module three-winding |
| CN112713744A (en) * | 2020-12-23 | 2021-04-27 | 维沃移动通信有限公司 | Camera module and electronic equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117412367A (en) * | 2023-09-18 | 2024-01-16 | 宁夏大学 | An energy management method for energy harvesting wireless sensors |
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