CN211531327U - Wireless sound collection equipment capable of obtaining electricity through vibration - Google Patents
Wireless sound collection equipment capable of obtaining electricity through vibration Download PDFInfo
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- CN211531327U CN211531327U CN202020670675.8U CN202020670675U CN211531327U CN 211531327 U CN211531327 U CN 211531327U CN 202020670675 U CN202020670675 U CN 202020670675U CN 211531327 U CN211531327 U CN 211531327U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The utility model provides a wireless sound collection equipment of electricity is got in vibration, including vibration power generation mechanism, sound collection mechanism, wireless transmission mechanism, electric power storage mechanism, vibration power generation mechanism includes mechanical energy electric energy conversion piece, vibration piece, mechanical energy electric energy conversion piece includes stiff end, vibration end, and mechanical energy electric energy conversion piece's vibration end links to each other with the vibration piece transmission, and the vibration piece can carry out relative reciprocating motion with mechanical energy electric energy conversion piece's stiff end under the external vibration, and electric power storage mechanism links to each other with mechanical energy electric energy conversion piece, sound collection mechanism, wireless transmission mechanism electrical property respectively. The utility model discloses wireless sound collection equipment utilizes the vibration to produce electricity through setting up vibration power generation mechanism, realizes the power supply effect to wireless sound collection equipment to utilize the vibration of mechanical energy electric energy conversion spare to produce the electric energy, for corresponding wireless sound collection equipment supplies power, avoided wireless sound collection equipment to the demand of external power source, make things convenient for wireless sound collection equipment's installation.
Description
Technical Field
The utility model relates to a power generation mechanism especially relates to a wireless sound collection equipment of electricity is got in vibration.
Background
In the long-term operation process of power station power equipment, various faults inevitably occur under the influence of external environmental factors and self aging. When a device fails mechanically, its vibration characteristics or vibration energy in a part of the frequency band will change, which is often accompanied by abnormal sounds. Therefore, the sound signals measured at different locations of the power equipment contain rich information. Therefore, sound collection equipment needs to be arranged on important equipment such as a transformer substation and the like, and the monitoring effect is achieved by collecting sound wave changes. However, the sound collection device needs an external power supply, so that the application and installation of the sound collection device are complicated, and the use is limited.
Disclosure of Invention
The utility model provides a wireless sound collection equipment of electricity is got in vibration to wireless sound collection equipment needs external power supply's problem among the prior art is solved at least.
The utility model provides a wireless sound collection equipment of electricity is got in vibration, including vibration power generation mechanism, sound collection mechanism, wireless transmission mechanism, electric power storage mechanism, vibration power generation mechanism includes mechanical energy electric energy conversion piece, vibration piece, mechanical energy electric energy conversion piece includes stiff end, vibration end, mechanical energy electric energy conversion piece's vibration end links to each other with the vibration piece transmission, the vibration piece can carry out relative reciprocating motion with mechanical energy electric energy conversion piece's stiff end under the external vibration, electric power storage mechanism links to each other with mechanical energy electric energy conversion piece, sound collection mechanism, wireless transmission mechanism electrical property respectively.
Further, sound collection mechanism includes adapter, AD converting unit, the adapter links to each other with AD converting unit electrical property, AD converting unit links to each other with wireless transmission mechanism, electric power storage mechanism electrical property respectively.
Furthermore, the power storage mechanism comprises a voltage-multiplying rectifying unit, a power management unit and a battery, wherein the power management unit is electrically connected with the voltage-multiplying rectifying unit, the battery, the AD conversion unit and the wireless transmission mechanism respectively.
Furthermore, the power storage mechanism further comprises an energy storage unit, and the voltage-doubling rectifying unit is electrically connected with the power management unit through the energy storage unit.
Further, the mechanical energy and electric energy conversion piece is piezoelectric ceramic, a fixed end and a vibration end of the mechanical energy and electric energy conversion piece are respectively located at two opposite ends of the piezoelectric ceramic, the piezoelectric ceramic is provided with a positive end and a negative end, and the positive end and the negative end of the piezoelectric ceramic are respectively electrically connected with the power storage mechanism.
Furthermore, the vibration power generation mechanism further comprises an elastic device, the elastic device comprises an elastic piece, one end of the elastic piece is fixed, the other end of the elastic piece is connected with the vibration piece, and the elastic piece drives the vibration piece to reciprocate.
Furthermore, the elastic device comprises a first elastic part and a second elastic part, the first elastic part and the second elastic part are both elastic part structures, and the first elastic part and the second elastic part are symmetrically arranged on two sides of the vibrating part.
Furthermore, the vibration power generation mechanism comprises a fixed frame, the fixed end of the mechanical energy and electric energy conversion piece is installed on the fixed frame, and one end of the elastic piece is fixedly connected with the fixed frame.
Further, vibration power generation mechanism still includes decelerator, decelerator includes the gear, decelerator links to each other with the vibration piece transmission, the vibration piece drives gear reciprocating motion, the gear meshes with the vibration end of mechanical energy electric energy conversion piece.
Further, the mechanical energy-electric energy conversion piece has a natural resonant frequency, and the reciprocating frequency of the gear is 50% -200% of the vibration frequency.
Compared with the prior art, the utility model, through setting up vibration power generation mechanism, utilize the vibration to produce the electricity, realize the power supply effect to wireless sound collection equipment to utilize the vibration of mechanical energy electric energy conversion spare to produce the electric energy, for corresponding wireless sound collection equipment supplies power, avoided wireless sound collection equipment to the demand of external power source, make things convenient for wireless sound collection equipment's installation. And simultaneously, the utility model discloses a vibration power generation mechanism is through adopting vibration piece and mechanical energy electric energy conversion piece, utilizes the vibration that makes mechanical equipment produce at the during operation to drive vibration piece and mechanical energy electric energy conversion piece and carry out relative motion to utilize the vibration of mechanical energy electric energy conversion piece to produce the electric energy.
Drawings
FIG. 1 is a block diagram of the embodiment of the present invention;
fig. 2 is a schematic structural view of a vibration power generation mechanism according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The utility model provides a wireless sound collection equipment of electricity is got in vibration, as shown in fig. 1-2, including vibration power generation mechanism, sound collection mechanism, wireless transmission mechanism, electric power storage mechanism, vibration power generation mechanism includes mechanical energy electric energy conversion 2, vibration piece 3, mechanical energy electric energy conversion 2 includes stiff end 21, vibration end, mechanical energy electric energy conversion 2's vibration end 21 links to each other with the 3 transmissions of vibration piece, vibration piece 3 can carry out relative reciprocating motion with mechanical energy electric energy conversion 2's stiff end 21 under the external vibration, electric power storage mechanism links to each other with mechanical energy electric energy conversion, sound collection mechanism, wireless transmission mechanism electrical property respectively.
Optionally, as shown in fig. 1, the sound collecting mechanism includes a sound pickup and an AD conversion unit, the sound pickup is electrically connected to the AD conversion unit, and the AD conversion unit is electrically connected to the wireless transmission mechanism and the power storage mechanism, respectively.
Wherein, the wireless transmission mechanism is a Bluetooth MCU unit, and can adopt an nrf52832 chip. The AD conversion unit is a WM8287 chip.
Specifically, as shown in fig. 1, the power storage mechanism includes a voltage-doubling rectifying unit, a power management unit, and a battery, and the power management unit is electrically connected to the voltage-doubling rectifying unit, the battery, the AD conversion unit, and the wireless transmission mechanism, respectively.
Specifically, as shown in fig. 1, the power storage mechanism further includes an energy storage unit, and the voltage-doubling rectifying unit is electrically connected to the power management unit through the energy storage unit.
The vibration power generation mechanism generates electricity through vibration, the output voltage is improved through the voltage doubling rectifying unit, and energy is stored through the energy storage unit; the energy storage unit supplies power to the battery through the power management unit. When the device works, the battery supplies power to the sound acquisition mechanism and the wireless transmission mechanism through the power management unit; the sound pickup collects sound information and sends the sound information to the wireless transmission mechanism through the AD conversion unit, and wireless data transmission is achieved.
Alternatively, as shown in fig. 2, the mechanical energy-to-electrical energy conversion element 2 is a piezoelectric ceramic.
In particular, as shown in fig. 2, the piezoelectric ceramic is circular.
Specifically, as shown in fig. 2, the fixed end 21 and the vibrating end of the mechanical energy-to-electric energy conversion element 2 are respectively located at two opposite ends of the piezoelectric ceramic, the piezoelectric ceramic is provided with a positive end and a negative end, and the positive end and the negative end of the piezoelectric ceramic are respectively electrically connected with the power storage mechanism.
As shown in fig. 2, the piezoelectric ceramic is a circular sheet and is perpendicular to the vibration direction of the vibrating element 3.
Optionally, as shown in fig. 2, the vibration power generation mechanism further includes an elastic device 4, the elastic device 4 includes an elastic member, one end of the elastic member is fixed, the other end of the elastic member is connected to the vibrating member 3, and the elastic member drives the vibrating member 3 to reciprocate.
Specifically, as shown in fig. 2, the elastic device 4 includes a first elastic member and a second elastic member, both of which are elastic members, and the first elastic member and the second elastic member are symmetrically installed at both sides of the vibrating member 3.
Specifically, as shown in fig. 2, the vibration power generation mechanism includes a fixed frame 1, a fixed end 21 of the mechanical energy-to-electrical energy conversion member 2 is mounted on the fixed frame 1, and one end of the elastic member is fixedly connected to the fixed frame 1.
Wherein, as shown in fig. 2, first elastic component, second elastic component are the spring, and vibrating member 3 is for taking the tooth iron plate, and fixed frame 1 mountable is on the equipment that needs the monitoring, when equipment vibration, can drive fixed frame 1 and vibrate, and vibrating member 3 can be because inertia and fixed frame 1 between take place relative motion to carry out reciprocating motion under the effect of first elastic component, second elastic component, thereby drive mechanical energy electric energy conversion 2 and vibrate.
Optionally, as shown in fig. 2, the vibration power generation mechanism further includes a speed reduction device 5, the speed reduction device 5 includes a gear 51, the speed reduction device 5 is in transmission connection with the vibration member 3, the vibration member 3 drives the gear 51 to reciprocate, and the gear 51 is engaged with the vibration end of the mechanical energy-to-electric energy conversion member 2.
Specifically, as shown in fig. 2, the mechanical-to-electrical energy conversion member 2 is not less than two.
As shown in fig. 2, the speed reducer 5 is a speed-changing gear 5, the vibrating element 3 and the mechanical energy-to-electric energy converter 2 are respectively engaged with tooth portions of the speed-changing gear 5 with different tooth ratios, the reciprocating motion of the vibrating element 3 drives an inner shaft gear 52 structure of the speed-changing gear 5 to rotate, a shaft gear 51 structure of the speed-changing gear carries out reciprocating motion to stir the mechanical energy-to-electric energy converter 2 to vibrate, and the mechanical energy-to-electric energy converter 2 is used for generating electricity to realize the electricity generating and supplying functions.
The embodiment of the utility model provides a through setting up vibration power generation mechanism, utilize the vibration to produce the electricity, realize the power supply effect to wireless sound collection equipment to utilize the vibration of mechanical energy electric energy conversion spare to produce the electric energy, for corresponding wireless sound collection equipment supplies power, avoided wireless sound collection equipment to the demand of external power source, make things convenient for wireless sound collection equipment's installation. And simultaneously, the utility model discloses vibration power generation mechanism is through adopting vibration piece and mechanical energy electric energy conversion piece, utilizes the vibration that makes mechanical equipment produce at the during operation to drive vibration piece and mechanical energy electric energy conversion piece and carry out relative motion to utilize the vibration production electric energy of mechanical energy electric energy conversion piece. Furthermore, the embodiment of the utility model provides a through adopting a plurality of mechanical energy electric energy conversion pieces, improve the power generation volume.
Specifically, as shown in fig. 2, the mechanical-to-electrical energy conversion member 2 has a natural resonant frequency, and the reciprocating frequency of the gear 51 is 50% to 200% of the vibration frequency.
The utility model discloses piezoceramics piece is as a mechanical energy and electric energy conversion's device, fixed resonant frequency has, when its vibration frequency is close resonant frequency more, the efficiency of mechanical energy conversion electric energy is higher, consequently can be according to monitoring facilities's vibration frequency, adopt suitable decelerator, the gear that utilizes decelerator carries out reciprocating motion according to the frequency close with piezoceramics piece resonant frequency, thereby drive piezoceramics piece and vibrate in order to be close to its resonant frequency, improve mechanical energy and electric energy conversion efficiency.
It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.
Claims (10)
1. The utility model provides a wireless sound collection equipment of electricity is got in vibration, a serial communication port, wireless sound collection equipment is including vibration power generation mechanism, sound collection mechanism, wireless transmission mechanism, electric power storage mechanism, vibration power generation mechanism includes mechanical energy electric energy conversion piece, vibration piece, mechanical energy electric energy conversion piece includes stiff end, vibration end, the vibration end and the vibration piece transmission of mechanical energy electric energy conversion piece link to each other, the vibration piece can carry out relative reciprocating motion with the stiff end of mechanical energy electric energy conversion piece under the external vibration, electric power storage mechanism links to each other with mechanical energy electric energy conversion piece, sound collection mechanism, wireless transmission mechanism electrical property respectively.
2. The wireless sound collection device of claim 1, wherein the sound collection mechanism comprises a sound collector and an AD conversion unit, the sound collector is electrically connected to the AD conversion unit, and the AD conversion unit is electrically connected to the wireless transmission mechanism and the power storage mechanism, respectively.
3. The wireless sound collection device of claim 2, wherein the power storage mechanism comprises a voltage-multiplying rectification unit, a power management unit and a battery, and the power management unit is electrically connected with the voltage-multiplying rectification unit, the battery, the AD conversion unit and the wireless transmission mechanism respectively.
4. The wireless sound collection device of claim 3, wherein the power storage mechanism further comprises an energy storage unit, and the voltage doubling rectifying unit is electrically connected with the power management unit through the energy storage unit.
5. The wireless sound collection device according to claim 1, wherein the mechanical-electrical energy conversion member is a piezoelectric ceramic, a fixed end and a vibration end of the mechanical-electrical energy conversion member are respectively located at two opposite ends of the piezoelectric ceramic, the piezoelectric ceramic is provided with a positive end and a negative end, and the positive end and the negative end of the piezoelectric ceramic are respectively electrically connected to the power storage mechanism.
6. The wireless sound collection device of claim 5, wherein the vibration power generation mechanism further comprises an elastic device, the elastic device comprises an elastic member, one end of the elastic member is fixed, the other end of the elastic member is connected with the vibration member, and the elastic member drives the vibration member to reciprocate.
7. The wireless sound collection device of claim 6, wherein the elastic means comprises a first elastic member and a second elastic member, both of which are elastic members, and the first elastic member and the second elastic member are symmetrically mounted on both sides of the vibrating member.
8. The wireless sound collection device according to claim 6, wherein the vibration power generation mechanism comprises a fixed frame, the fixed end of the mechanical energy-to-electric energy conversion member is mounted on the fixed frame, and one end of the elastic member is fixedly connected with the fixed frame.
9. The wireless sound collection device of claim 1, wherein the vibration power generation mechanism further comprises a reduction gear, the reduction gear comprises a gear, the reduction gear is in transmission connection with a vibration member, the vibration member drives the gear to reciprocate, and the gear is engaged with the vibration end of the mechanical energy-to-electric energy conversion member.
10. The wireless sound collection apparatus of claim 9, wherein the mechanical-to-electrical energy conversion member has a natural resonant frequency, and the gear reciprocates at a frequency of 50-200% of the vibration frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670675.8U CN211531327U (en) | 2020-04-28 | 2020-04-28 | Wireless sound collection equipment capable of obtaining electricity through vibration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670675.8U CN211531327U (en) | 2020-04-28 | 2020-04-28 | Wireless sound collection equipment capable of obtaining electricity through vibration |
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| Publication Number | Publication Date |
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| CN211531327U true CN211531327U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020670675.8U Active CN211531327U (en) | 2020-04-28 | 2020-04-28 | Wireless sound collection equipment capable of obtaining electricity through vibration |
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| CN (1) | CN211531327U (en) |
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- 2020-04-28 CN CN202020670675.8U patent/CN211531327U/en active Active
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