CN207069869U - Multi-point contact low frequency electromagnetic energy collecting system - Google Patents
Multi-point contact low frequency electromagnetic energy collecting system Download PDFInfo
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- CN207069869U CN207069869U CN201720814746.5U CN201720814746U CN207069869U CN 207069869 U CN207069869 U CN 207069869U CN 201720814746 U CN201720814746 U CN 201720814746U CN 207069869 U CN207069869 U CN 207069869U
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- cantilever beam
- short slab
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- electromagnetic energy
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Abstract
Multi-point contact low frequency electromagnetic energy collecting system, the utility model is related to low-frequency vibration energy assembling sphere；The fixing end of cantilever beam long slab is fixed on the middle part of fixed mount carrier vertical panel, and the free end upper surface of cantilever beam long slab is provided with multiturn coil, and the coil on multiturn coil passes through No.1 wire respectively and the both ends of No. two wires and load resistance connect；Multiturn coil is arranged right below permanent-magnet block, and permanent-magnet block is fixed on the upper surface of fixed mount carrier lower side panel；The fixing end of Analysis of A Cantilever Beam Under short slab is fixed on the upper surface of fixed mount carrier lower side panel, and the free end of Analysis of A Cantilever Beam Under short slab is fixed with lower collision mass block；The fixing end of upper cantilever beam short slab is fixed on the lower surface of fixed mount carrier epipleural, and the free end of upper cantilever beam short slab is fixed with collision mass block.Effectively realize that low-frequency vibration mode is converted close to the eigentone of micro element to medium-high frequency mode of oscillation, the electromagnetic energy that can be achieved under low frequency state is collected.
Description
Technical field
It the utility model is related to low-frequency vibration energy assembling sphere, and in particular to multi-point contact low frequency electromagnetic collection of energy system
System.
Background technology
Vibration is a kind of inevitable physical phenomenon of nature, and the mode of electric energy is converted into using the vibrational energy of nature
There are a variety of, such as piezoelectricity conversion, electric capacity conversion and electromagnetic conversion.But it is all low-frequency vibration that the collectable energy of the mankind is most of
Can, so as to cause efficiency of energy collection of most of device under low frequency state very low, or even the energy of low-frequency vibration can not be collected
Amount, especially less than 50Hz vibration.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of simple in construction, design is closed
Reason, multi-point contact low frequency electromagnetic energy collecting system easy to use, effectively realize that low-frequency vibration mode is vibrated to medium-high frequency
Mode is converted can increased dramatically shaking for long cantilever beam close to the eigentone of micro element, multi-point contact long cantilever beam both sides
Dynamic frequency, electric energy output density can be greatly improved, with reference to moving coil cutting magnetic induction line principle, the electricity under low frequency state can be achieved
Magnetic energy is collected.
To achieve the above object, the technical solution adopted in the utility model is：It includes fixed mount carrier, length of cantilever
Plate, lower collision mass block, Analysis of A Cantilever Beam Under short slab, permanent-magnet block, No.1 wire, load resistance, No. two wires, multiturn coil,
Upper cantilever beam short slab, upper collision mass block；The fixing end of described cantilever beam long slab is fixed in fixed mount carrier vertical panel
Portion, the free end upper surface of cantilever beam long slab are provided with multiturn coil, and the coil on multiturn coil passes through No.1 wire and two respectively
The both ends of number wire and load resistance connect；Described multiturn coil is arranged right below permanent-magnet block, and permanent-magnet block is solid
It is scheduled on the upper surface of fixed mount carrier lower side panel；The fixing end of described Analysis of A Cantilever Beam Under short slab is fixed on fixed mount carrier lower side panel
Upper surface, the free end of Analysis of A Cantilever Beam Under short slab is fixed with lower collision mass block；The fixing end of described upper cantilever beam short slab is consolidated
The lower surface of fixed mount carrier epipleural is scheduled on, the free end of upper cantilever beam short slab is fixed with collision mass block.
Further, the center of described Analysis of A Cantilever Beam Under short slab, permanent-magnet block, multiturn coil and upper cantilever beam short slab
It is on same vertical plane.
Further, described described cantilever beam long slab also can be used preferentially from PMMA materials, metallic aluminum material etc.
Silicon, its resonant frequency are 100Hz-1Khz；The dimensions length of cantilever beam long slab is 2cm-20cm, and width 1cm-5cm, thickness can
For 1mm-5mm.
Further, the material of described Analysis of A Cantilever Beam Under short slab and upper cantilever beam short slab is silica gel, rubber, PDMS, brass
Deng, it is possible to use SU8 or benzocyclobutene etc.；The resonant frequency of Analysis of A Cantilever Beam Under short slab and upper cantilever beam short slab can be 5Hz-
100Hz；The dimensions length of Analysis of A Cantilever Beam Under short slab and upper cantilever beam short slab is 5mm-5cm, width 1mm-1cm, and thickness can be
1mm-5mm。
Further, the raw material of described multiturn coil are copper, and the geometry of multiturn coil is fabricated to annular, square
Annular, terraced annular, five square ring shapes etc..
Further, the raw material of described lower collision mass block and upper collision mass block are copper, and upper collision mass block,
The point of impingement of lower collision mass block and cantilever beam long slab keeps slight distance, and the collection of energy measuring and calculating of space length according to demand comes
It is determined that its preferable size distance can be 0-5mm.
Further, described permanent electric magnetic iron block selects NdFeB, and the space length of permanent electric magnetic iron block keeps closing as far as possible
Scope is managed, optimum distance scope is 1mm-1cm；Meanwhile it can also pacify in space and the appropriate position of space beside on multiturn coil
Fill magnet piece, the polarity of magnet piece should magnet corresponding with permanent electric magnetic iron block mutually repel；Space angle position includes 0-360
Degree.
After said structure, the utility model has the beneficial effect that：
1st, because of nature, largely motion can all be low-frequency vibration energy, but during low frequency energy collection, it is existing
The effective working frequency of electromagnetic vibration energy collector is high, causes energy collecting effect very poor, is collected to solve low frequency energy, this hair
The multi-point contact low-frequency vibration electromagnetic energy collection structure of bright proposition, the low frequency carried out using collision are turned to medium-high frequency energy
The structure of change, the electromagnetic energy for effectively realizing low-frequency vibration are collected；
2nd, existing vibrational energy collector is mainly based upon condenser type, piezoelectric type energy is collected, and capacitive device needs
Initial voltage is provided, piezoelectric type is expensive and makes complicated, multi-point contact low frequency energy collector use proposed by the present invention
Electromagnetic type principle, the collection of energy structure carried out using cantilever beam vibration, easily obtains larger induced-current, and easy to make；
In addition, device is not required to be separately provided preliminary filling power supply as capacitative energy, the work processed as being collected piezoelectric type energy is also not required to
Complexity, the passive and manufacture craft for realizing electromagnetic energy collection are simplified；
3rd, the two sides of the invention by multi-point contact cantilever beam long slab, so as to increased dramatically the vibration of cantilever beam long slab frequency
Rate, electric energy output density can be greatly improved, can greatly extend collection of energy frequency band, realize that maximum average energy collects output and energy
Measure conversion efficiency.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is collection of energy part of the present utility model equivalent circuit diagram.
Fig. 3 is test result figure of the present utility model.
Description of reference numerals：
Fixed mount carrier 1, cantilever beam long slab 2, lower collision mass block 3, Analysis of A Cantilever Beam Under short slab 4, permanent-magnet block 5, No.1
Wire 6,7, No. two wires 8 of load resistance, multiturn coil 9, upper cantilever beam short slab 10, upper collision mass block 11.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Referring to as shown in Figure 1-Figure 3, the technical scheme that present embodiment uses is：It includes fixed mount carrier 1, hanged
Arm beam length plate 2, lower collision mass block 3, Analysis of A Cantilever Beam Under short slab 4, permanent-magnet block 5, No.1 wire 6, load resistance 7, two are led
Line 8, multiturn coil 9, upper cantilever beam short slab 10, upper collision mass block 11；The fixing end of described cantilever beam long slab 2 is fixed on
Determine the middle part of the vertical panel of frame carrier 1, the length and width of cantilever beam long slab 2 is formulated with the foundation actual demand of thick size, and its size is got over
Small, the intrinsic frequency of cantilever beam long slab 2 is also higher, and the free end upper surface of cantilever beam long slab 2 is provided with multiturn coil 9, multiturn
Coil on coil 9 is connected by No.1 wire 6 and No. two wires 8 with the both ends of load resistance 7 respectively；Described multiturn coil
9 are arranged right below permanent-magnet block 5, and permanent-magnet block 5 is fixed on the upper surface of the lower side panel of fixed mount carrier 1；Under described
The fixing end of cantilever beam short slab 4 is fixed on the upper surface of the lower side panel of fixed mount carrier 1, and the free end of Analysis of A Cantilever Beam Under short slab 4 is fixed
There is lower collision mass block 3；The fixing end of described upper cantilever beam short slab 10 is fixed on the lower surface of the epipleural of fixed mount carrier 1,
The free end of upper cantilever beam short slab 10 is fixed with collision mass block 11；Described upper collision mass block 11, lower collision mass block 3
Slight distance is kept with the point of impingement of cantilever beam long slab 2, the point of impingement of cantilever beam long slab 2 is by Analysis of A Cantilever Beam Under short slab 4 and upper cantilever
The length of beam short slab 10 determines, adjusts this parameter and can carry out it and exports the optimization of energy delivery efficiency, using its multi-point contact
Mode reason be that the multi-point contact on the two sides of cantilever beam long slab 2 can increased dramatically the vibration frequency of cantilever beam long slab 2, so as to pole
It is big to improve electric energy output density；When multiturn coil 9 is excited to do medium-high frequency lengthwise movement, Lorentz force is produced on multiturn coil 9
Mutually coupled with cantilever beam long slab 2, and react on the lengthwise movement of multiturn coil 9, electric energy transmits No.1 wire 6 and No. two
Wire 8, upper load resistance 7 of being connected after the extraction of multiturn coil 9, the value of load resistance 7 can determine the collection average energy of output
Value；When multi-point contact low-frequency vibration electromagnetic energy collection system is arranged in low-frequency vibration environment or carried in human body, environment
Or the vibration of human body hits cantilever beam long slab 2 by lower collision mass block 3 and upper collision mass block 11, makes cantilever beam long slab 2
The vibration of medium-high frequency is ceaselessly longitudinally done in free end, so as to drive multiturn coil 9 also to do identical medium-high frequency lengthwise movement, multiturn
Coil 9 is among the spatial magnetic field of permanent magnet 5, therefore multiturn coil 9 produces transient state alternating current therewith, and transient state is handed over
Stream electric current is output to load resistance 7 and consumed immediately, and the electromagnetic energy self power generation effect under low frequency state can be achieved.
Further, described Analysis of A Cantilever Beam Under short slab 4, permanent-magnet block 5, multiturn coil 9 and upper cantilever beam short slab 10
Center be on same vertical plane.
Further, described described cantilever beam long slab 2 ensures it preferentially from PMMA materials, metallic aluminum material etc.
There are enough elastic deformations, if micro manufacturing demand smaller szie, silicon also can be used；The material of cantilever beam long slab 2 can be partially hard, its
Resonant frequency can be 100Hz-1Khz；The dimensions length of cantilever beam long slab 2 is 2cm-20cm, width 1cm-5cm, and thickness can be
1mm-5mm。
Further, the material of described Analysis of A Cantilever Beam Under short slab 4 and upper cantilever beam short slab 10 is silica gel, rubber, PDMS, Huang
Copper etc., ensure that it there are enough elastic deformations, if micro manufacturing demand smaller szie, SU8 or benzocyclobutene etc. can be used；Under
The material selection of cantilever beam short slab 4 and upper cantilever beam short slab 10 is as far as possible partially soft, and its resonant frequency can be 5Hz-100Hz；Lower cantalever
The dimensions length of beam short slab 4 and upper cantilever beam short slab 10 is 5mm-5cm, and width 1mm-1cm, thickness can be 1mm-5mm.
Further, the raw material of described multiturn coil 9 are copper, and the geometry of multiturn coil 9 can be fabricated to annulus
Shape, square annular, terraced annular, five square ring shapes etc..
Further, the raw material of described lower collision mass block 3 and upper collision mass block 11 are copper, and upper collision mass
The point of impingement of block 11, lower collision mass block 3 and cantilever beam long slab 2 keeps slight distance, and the energy of space length according to demand is received
Collection is calculated to determine, its preferable size distance can be 0-5mm.
Further, described permanent electric magnetic iron block 5 selects NdFeB, and the space length of permanent electric magnetic iron block 5 is kept as far as possible
Zone of reasonableness, such as optimum distance scope can be 1mm-1cm；Meanwhile can also on multiturn coil 9 space and space beside it is proper
When position installation magnet piece, but the polarity of magnet piece should mutually be repelled with 5 corresponding magnet of permanent electric magnetic iron block；Space angle position
Including 0-360 degree.
Further, described load resistance 7, which must be worth, to be determined by calculating, average collection of the measuring method according to device
Energy.
The operation principle of present embodiment：When external low frequency vibrational excitation is applied in system, it is fixed on multiple outstanding
The collision mass block of arm beam short slab free end can corresponding low-frequency vibration, its connect collision mass block inevitably hit it is outstanding
The point of impingement of arm beam length plate, because of its multi-point contact, so as to which the vibration frequency of meeting significant increase cantilever beam long slab free end is allowed to connect
Cutting magnetic induction line motion occurs for the intrinsic frequency of its nearly medium-high frequency, the multiturn coil for being also secured to cantilever beam long slab free end,
So as to reach self power generation effect, its caused electric energy is output to load consumption or storage.
After said structure, the utility model has the beneficial effect that：Multi-point contact low frequency electromagnetic energy provided by the invention
Collection system, effectively realize that low-frequency vibration mode is converted close to the intrinsic vibration frequency of micro element to medium-high frequency mode of oscillation
Rate, multi-point contact long cantilever beam both sides can increased dramatically long cantilever vibration of beam frequency, electric energy output density can be greatly improved, knot
Resultant motion coil cutting magnetic induction line principle, the electromagnetic energy that can be achieved under low frequency state are collected.
It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple
The other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, it all should cover among right of the present utility model.
Claims (7)
1. multi-point contact low frequency electromagnetic energy collecting system, it is characterised in that：It include fixed mount carrier, cantilever beam long slab, under
Collision mass block, Analysis of A Cantilever Beam Under short slab, permanent-magnet block, No.1 wire, load resistance, No. two wires, multiturn coil, upper cantilevers
Beam short slab, upper collision mass block；The fixing end of described cantilever beam long slab is fixed on the middle part of fixed mount carrier vertical panel, cantilever
The free end upper surface of beam length plate is provided with multiturn coil, the coil on multiturn coil respectively by No.1 wire and No. two wires with
The both ends connection of load resistance；Described multiturn coil is arranged right below permanent-magnet block, and permanent-magnet block is fixed on fixation
The upper surface of frame carrier lower side panel；The fixing end of described Analysis of A Cantilever Beam Under short slab is fixed on the upper table of fixed mount carrier lower side panel
Face, the free end of Analysis of A Cantilever Beam Under short slab are fixed with lower collision mass block；The fixing end of described upper cantilever beam short slab is fixed on
Determine the lower surface of frame carrier epipleural, the free end of upper cantilever beam short slab is fixed with collision mass block.
2. multi-point contact low frequency electromagnetic energy collecting system according to claim 1, it is characterised in that：Described lower cantalever
Beam short slab, permanent-magnet block, the center of multiturn coil and upper cantilever beam short slab are on same vertical plane.
3. multi-point contact low frequency electromagnetic energy collecting system according to claim 1, it is characterised in that：Described cantilever beam
Long slab resonant frequency is 100Hz-1Khz；The dimensions length of cantilever beam long slab is 2cm-20cm, width 1cm-5cm, and thickness is
1mm-5mm。
4. multi-point contact low frequency electromagnetic energy collecting system according to claim 1, it is characterised in that：Described lower cantalever
The resonant frequency of beam short slab and upper cantilever beam short slab is 5Hz-100Hz；The size of Analysis of A Cantilever Beam Under short slab and upper cantilever beam short slab is grown
Spend for 5mm-5cm, width 1mm-1cm, thickness 1mm-5mm.
5. multi-point contact low frequency electromagnetic energy collecting system according to claim 1, it is characterised in that：Described multiturn line
The raw material of circle are copper, and the geometry of multiturn coil is fabricated to annular, square annular, ladder annular, five square ring shapes.
6. multi-point contact low frequency electromagnetic energy collecting system according to claim 1, it is characterised in that：Described lower collision
The raw material of mass and upper collision mass block are copper, and its size distance is 0-5mm.
7. multi-point contact low frequency electromagnetic energy collecting system according to claim 1, it is characterised in that：Described permanent electric
Magnet piece selects NdFeB, and the space length scope of permanent electric magnetic iron block is 1mm-1cm；Meanwhile space and side on multiturn coil
Side space mounting magnet piece, the polarity magnet corresponding with permanent electric magnetic iron block of magnet piece mutually repel；Space angle position includes 0-
360 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814746.5U CN207069869U (en) | 2017-07-06 | 2017-07-06 | Multi-point contact low frequency electromagnetic energy collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814746.5U CN207069869U (en) | 2017-07-06 | 2017-07-06 | Multi-point contact low frequency electromagnetic energy collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069869U true CN207069869U (en) | 2018-03-02 |
Family
ID=61507970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720814746.5U Expired - Fee Related CN207069869U (en) | 2017-07-06 | 2017-07-06 | Multi-point contact low frequency electromagnetic energy collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217608A (en) * | 2017-07-06 | 2019-01-15 | 深圳市柔纬联科技有限公司 | Multi-point contact low frequency electromagnetic energy collecting system |
| CN109495012A (en) * | 2018-10-18 | 2019-03-19 | 天津大学 | The bistable piezoelectric type cantilever beam vibration energy collector of additional elastic ball |
-
2017
- 2017-07-06 CN CN201720814746.5U patent/CN207069869U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217608A (en) * | 2017-07-06 | 2019-01-15 | 深圳市柔纬联科技有限公司 | Multi-point contact low frequency electromagnetic energy collecting system |
| CN109217608B (en) * | 2017-07-06 | 2024-06-07 | 深圳市柔纬联科技有限公司 | Multi-point collision low-frequency electromagnetic energy collection system |
| CN109495012A (en) * | 2018-10-18 | 2019-03-19 | 天津大学 | The bistable piezoelectric type cantilever beam vibration energy collector of additional elastic ball |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20180706 |