CN106787591A - A kind of swing type energy gathering apparatus - Google Patents
A kind of swing type energy gathering apparatus Download PDFInfo
- Publication number
- CN106787591A CN106787591A CN201611234940.2A CN201611234940A CN106787591A CN 106787591 A CN106787591 A CN 106787591A CN 201611234940 A CN201611234940 A CN 201611234940A CN 106787591 A CN106787591 A CN 106787591A
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- yoke
- rotor
- magnetic
- outside
- permanent magnet
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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
Abstract
A kind of swing type energy gathering apparatus, including shell, stator assembly and rotor assembly, in stator module, permanent magnet vertical direction is placed；The circular arc such as permanent magnet arranged for interval is in outside upper magnet yoke, a circumferential circle of outside lower yoke；In rotor assembly, the 2n iron cores of circular arc arranged for interval such as coil, rotor upper magnet yoke, a circumferential circle of rotor lower yoke are placed on iron core, axle is provided with the middle of rotor upper magnet yoke, rotor lower yoke；The circular arcs such as rotor upper magnet yoke, the outer ring of rotor lower yoke are interval with 2n magnetic tooth, magnetic tooth width of the magnetic backlash more than twice；The circular arcs such as outside upper magnet yoke, the inner ring of outside lower yoke are interval with 3n magnetic tooth, magnetic tooth width is equal with magnetic backlash, in the externally-located upper magnet yoke of rotor upper magnet yoke and magnetic tooth contact each other, in the externally-located lower yoke of rotor lower yoke and magnetic tooth contact each other, the magnetic tooth width of rotor rim is less than the magnetic backlash of outside yoke.Collection efficiency of the present invention is higher.
Description
Technical field
The present invention relates to energy collecting device, especially a kind of swing type energy gathering apparatus.
Background technology
Wireless sensor network or distributed mini system powerup issue are one and apply difficult point.And it is the one of nature to vibrate
Plant energy existence form.The wave on such as sea, branch swing in the wind, jarring vehicle etc..Vibrating power-generation be by
The energy that various vibrations are produced is converted into electric energy, is a kind of potential pollution-free, not consumption of natural resource new-generation dress
Put, be suitable for wireless sensor network or distributed mini system node is used.
A kind of mode for realizing vibrating power-generation is that electromagnetic induction phenomenon generates electricity.Conventional electromagnetic induction vibration generating device,
Internal structure is different.The three-dimensional vibrating electricity generator of Application No. 200810230833.1, Application No.
200710126703.9 portable vibration generator, the super magnetic stretching vibration hair of lever of Application No. 20131075353.8
Motor, the adjustable vibrating electricity generator of generated output of Application No. 201410016971.5." new permanent-magnet external is straight for paper
Linearly coupled generator performance research " (journal of Zhejiang university engineering version, volume 41 the 9th phase, pp.1604-1608) and paper " A
micro electromagnetic generator for vibration energy harvesting”(JOURNAL OF
MICROMECHANICS AND MICROENGINEERING, 17 (2007), pp.1257-1265), relatively it is difficult to ensure in its structure
The less requirement of air gap in card magnetic circuit, fails to realize closed magnetic circuit, understands that its magnetic induction intensity is low by the relevant theory of motor, magnetic circuit
Utilization rate is not high, and vibrational energy utilization rate is not high.Above-mentioned some data coil utilization rates are also one simultaneously can improve it
Place, have in its coil more part can not effective cutting magnetic line, produce electromotive force, influence generating efficiency.Application No.
201020125287.8 encircling type vibration generator, four S poles of its permanent magnet are distributed in cruciform symmetry, the connection of its bottom
It is connected together and with N poles, this has requirement very high to manufacturing process, very difficult manufacture.Simultaneously because pacifying between N poles and S poles
Equipped with coil, entirety and structure are more complicated, that is, enable and manufactured permanent magnet, install also relatively difficult.Also, due to N poles and S
Across coil between pole, the air gap in that magnetic circuit may result in the magnetic flux that magnetic circuit can not be closed or sensed still than larger
Weaker, the electric energy of generation is less, and this loses more than gain for it of manufacturing cost high.Application No. 2012104994623
Electromagnetic vibration power generation device, although try hard to eliminate detent force by the method for balancing magnetic force, but due to magnetic force in first device
Much larger than gravity, and due to the presence of error and asymmetry, detent force is unavoidably still present to a certain extent, resistance
Oscillator flexible motion is hindered；On the other hand, its permanent magnet belongs to oscillator, it is easy to suffer in vibration broken bad.Application No.
The multi-direction wide-band vibration generator of 201410264839.6 self-excited vibration mechanism, is received using piezoelectric patches and electromagnetic energy
Collection two ways, use quality block is connected by spring with permanent magnet, and permanent magnet and mass pass through universal piezoelectric energy-conversion
Device is connected to both sides support, and coil is placed on the base lower section of device.When whole device is vibrated, now mass and forever
Magnet can produce vibration to offset, while can be in coil and piezoelectric patches ascending current.But this device is due to mass and permanent magnetism
Body is suspended at coil top by universal PZT (piezoelectric transducer), easily causes damage, whole device life-span in permanent magnet motion process
It is low, and device coil service efficiency is very low, and efficiency of energy collection can be caused not high.
Only it is merely the collection for considering straight-line oscillation energy, when external force and oscillator in the design of above vibrating device
When vibration path is perpendicular, vibration cannot be now produced, collection of energy cannot be also carried out accordingly.
The content of the invention
In order to the collection efficiency for overcoming the shortcomings of existing energy gathering apparatus is relatively low, the present invention provides a kind of collection and imitates
Rate swing type energy gathering apparatus higher.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of swing type energy gathering apparatus, including shell, the energy collecting device also include being located in shell
Stator assembly and rotor assembly, the stator module includes permanent magnet, and the permanent magnet vertical direction is placed, and top is N poles,
Lower section is S poles；The N poles of the permanent magnet are connected with permanent magnet upper bracket, and S poles and the permanent magnet lower carriage of the permanent magnet connect
Connect, the permanent magnet upper bracket is connected with outside upper magnet yoke, the permanent magnet lower carriage is connected with outside lower yoke, the permanent magnetism
The circular arc such as body arranged for interval is in outside upper magnet yoke, a circumferential circle of outside lower yoke；The rotor assembly include rotor upper magnet yoke,
Iron core and rotor lower yoke, place coil on the iron core, the upper end of the iron core is connected with the rotor upper magnet yoke, the iron
The lower end of core is connected with the rotor lower yoke, the circular arc interval cloth such as the rotor upper magnet yoke, circumferential circle of rotor lower yoke
2n iron core is put, the axle for rotating is provided with the middle of the rotor upper magnet yoke, rotor lower yoke；
The circular arcs such as the rotor upper magnet yoke, the outer ring of rotor lower yoke are interval with 2n magnetic tooth, and the magnetic backlash is big
In the magnetic tooth width of twice；The circular arcs such as the outside upper magnet yoke, the inner ring of outside lower yoke are interval with 3n magnetic tooth, and magnetic tooth
Width is equal with magnetic backlash, and the rotor upper magnet yoke is located in the outside upper magnet yoke and magnetic tooth contact each other, institute
State rotor lower yoke to be located in the outside lower yoke and magnetic tooth contact each other, the magnetic tooth width of rotor rim is less than outer
The magnetic backlash of portion's yoke.
Further, the shell is in hollow cylinder, and the outside upper magnet yoke, outside yoke are separately fixed at the interior of shell
Wall, the shell is respectively mounted lid up and down, and the rotor upper magnet yoke, the axle of rotor lower yoke be connected with lid respectively.
Further, the permanent magnet upper bracket, permanent magnet lower carriage are carved with the groove for fixed permanent magnet.
Further, the outside upper magnet yoke is provided with the groove for fixed permanent magnet upper bracket, the outside lower yoke
It is provided with the groove for fixed permanent magnet lower carriage.
Technology design of the invention is：Under effect of vibration, lower yoke fortune relative with lower yoke generation on rotor on outside
Dynamic, i.e., swinging occurs in rotor, and magnetic flux size and Orientation is continually changing in iron core, and coil can just produce induced voltage.To illustrate it
Change, it is considered to 3 kinds of situations below：
1) when the yoke magnetic tooth of rotor aligns with the magnetic tooth of outside yoke, four magnetic up and down of inner rotator are now had
The magnetic tooth of yoke is relative with the magnetic tooth of outside yoke, while having the four magnetic teeth adjacent with this four magnetic teeth on rotor with outside magnetic
The magnetic slot gap of yoke is relative.Now, the magnetic line of force is sent by permanent magnet N poles, successively by permanent magnet upper bracket, outside upper magnet yoke,
Air gap, inner rotator upper magnet yoke magnetic tooth, iron core, inner rotator lower yoke magnetic tooth, outside lower yoke, permanent magnet lower carriage are returned to forever
Magnet S poles, form closed magnetic circuit.Simultaneously with the upper and lower magnetic tooth of four additional inner rotator that outside yoke magnetic tooth staggers, then can go out
The situation that existing magnetic conduction reduces, only a small amount of magnetic line of force can pass through.Under the situation, magnetic flux reaches in the coil on four relative magnetic teeth
Maximum, is minimum without magnetic flux in the coil on four relative magnetic teeth.
2) when rotor is rotated further, its inner rotator originally with outside magnetic tooth just to magnetic tooth, its relative area can be slow
It is slow to reduce, and four additional magnetic tooth corresponding with outside yoke magnetic backlash can gradually increase with the relative area of outside yoke.
Now the magnetic line of force sends from permanent magnet N poles, respectively through permanent magnet upper bracket, by outside upper magnet yoke, air gap, rotor upper magnet yoke institute
There are all magnetic teeth of magnetic tooth, iron core, rotor lower yoke, outside lower yoke, permanent magnet lower carriage to return to permanent magnet S pole.Now situation
1) magnetic line of force that corresponding four magnetic teeth are passed through in can be gradually reduced, and the magnetic line of force of four additional magnetic tooth can gradually increase.
3) when oscillator continue swing, situation 1) in rotor rim on four magnetic teeth can be complete with the magnetic tooth of outside yoke
Stagger, in the gap of externally-located yoke magnetic tooth, and the magnetic tooth of four additional rotor rim can completely with the magnetic tooth of outside yoke
Relatively.Now, the magnetic line of force is sent by permanent magnet N poles, successively by permanent magnet upper bracket, outside yoke magnetic tooth, internal situation 1)
In rotor upper magnet yoke corresponding with gap four magnetic teeth, iron core, internal situations 1) in rotor lower yoke four corresponding with gap
Individual magnetic tooth, outside yoke magnetic tooth, permanent magnet lower carriage return to permanent magnet S pole.Under the situation, former situation 1) in outside yoke magnetic
Magnetic flux reaches maximum in iron core on the relative inner rotator magnetic tooth in backlash, and former situation 1) in outside yoke magnetic tooth just
Iron core magnetic flux on relative inner rotator magnetic tooth is minimum.
Above-mentioned analysis shows, magnetic flux constantly changes in the corresponding coil of each magnetic tooth in rotor rotation process, its rule
For in the corresponding coil of adjacent magnetic tooth in yoke magnetic flux always one become big one diminish；And on four magnetic teeth being staggeredly placed
The absolute value of magnetic flux and the absolute value sum of magnetic flux in the coil being left on four magnetic teeth are constant in coil.Therefore, close
4 coils of series connection of reason can be superimposed the induced electromotive force of each coil.
By the way that magnetic tooth is symmetrically placed come balancing magnetic force and by magnetic tooth in inner rotator yoke and outside in the present invention
Yoke magnetic tooth staggeredly eliminates detent force relatively.To be more convenient rotation, an axle, the lid on the axle and shell are added to rotor
Son connects.
Beneficial effects of the present invention：The utilization rate of vibrational energy is improve, coil utilization rate is improve, energy receipts are improve
Collection efficiency；And focus on eliminating detent force in its structure design, add asymmetric rotor to ensure Rotor free movement.
Brief description of the drawings
Fig. 1 is the figure that swing type energy gathering apparatus of the invention remove shell.
Fig. 2 is the figure that the present invention removes inner rotator.
Fig. 3 is inner rotator figure of the invention.
Fig. 4 is permanent magnetism body support frame figure of the invention.
Fig. 5 is outside lower yoke figure of the invention.
Fig. 6 is overall diagram of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
1~Fig. 6 of reference picture, a kind of swing type energy gathering apparatus, including shell 11, the energy collecting device is also
Including in shell, stator assembly and rotor assembly, the stator module includes permanent magnet 6, and the permanent magnet 6 is square vertically
To placement, top is N poles, and lower section is S poles；The N poles of the permanent magnet 6 are connected with permanent magnet upper bracket 7, the S of the permanent magnet 6
Pole is connected with permanent magnet lower carriage 5, and the permanent magnet upper bracket 7 is connected with outside upper magnet yoke 1, the permanent magnet lower carriage 5 with
Outside lower yoke 3 is connected, and the grade circular arc arranged for interval of the permanent magnet 6 is in outside upper magnet yoke 1, a circumferential circle of outside lower yoke 3；
The rotor assembly includes rotor upper magnet yoke 9, iron core 4 and rotor lower yoke 5, and coil, the iron core 4 are placed on the iron core 4
Upper end be connected with the rotor upper magnet yoke 9, the lower end of the iron core 4 is connected with the rotor lower yoke 5, magnetic on the rotor
The 2n iron cores of circular arc arranged for interval 4, the rotor upper magnet yoke 9, rotor lower yoke 5 such as yoke 9, a circumferential circle of rotor lower yoke 5
Centre is provided with the axle for rotating；
The circular arcs such as the rotor upper magnet yoke, the outer ring of rotor lower yoke are interval with 2n magnetic tooth, and the magnetic backlash is big
In the magnetic tooth width of twice；The circular arcs such as the outside upper magnet yoke, the inner ring of outside lower yoke are interval with 3n magnetic tooth, and magnetic tooth
Width is equal with magnetic backlash, and the rotor upper magnet yoke is located in the outside upper magnet yoke and magnetic tooth contact each other, institute
State rotor lower yoke to be located in the outside lower yoke and magnetic tooth contact each other, the magnetic tooth width of rotor rim is less than outer
The magnetic backlash of portion's yoke.
The n of the present embodiment takes 4, and certainly, n can also be other natural numbers, such as 5,6 etc..
The permanent magnet 6 is placed for vertical direction, and top is N poles, and lower section is S poles.The N poles part of the permanent magnet 6 with
Permanent magnet upper bracket 7 is connected, and S poles are connected with permanent magnet lower carriage 2, and overall figure is as shown in Figure 4.The permanent magnet 6 and upper branch
The entirety of the composition of 7 lower carriage of frame 2 has four, supports outside upper magnet yoke 1 and outside lower yoke 3 in whole device.It is described
It is above N poles that permanent magnet is, and is below S poles.The permanent magnet, permanent magnetism body support frame and outside yoke constitute this hair in Fig. 2
The figure of bright removal inner rotator.There is magnetic tooth in the outside upper magnet yoke 1, outside lower yoke 3, by magnetic tooth, outside yoke
Can be with the magnetic tooth contact in the upper lower yoke in inner rotator.By rotor upper magnet yoke 9, iron core 4, rotor lower yoke 5, entirely
Device can complete the conducting of the magnetic line of force, form closed magnetic circuit.Coil is placed on iron core 4.
Whole device is placed shell 11 in figure 6, in lid 10, the hole on the axle of rotor and the axis of upper and lower lid
It is corresponding.
The shell 11 is the hollow cylinder that can place whole device, and is provided with groove at two ends.The lid and device
Radius is identical and has prominent angle corresponding with the groove of shell, fixing device.
The permanent magnet is cylindrical structure, is ferrite permanent-magnet materials or rare earth permanent-magnetic material powder mixed with plastics or rubber
Close moulding.
The lower carriage 2 of the permanent magnet upper bracket 7 is carved with groove, for fixed cylinder shape permanent magnet 6.
The lower carriage 2 of the permanent magnet upper bracket 7 can be connected with having reeded outside yoke, wherein outside lower yoke 3
As shown in figure 5, outside upper magnet yoke 1 is similar with outside lower yoke 3, equally with groove.
The outside upper magnet yoke 1, outside lower yoke 3 are connected by the upper magnet yoke 9 of magnetic tooth and inner rotator, lower yoke 5, interior
Portion's rotor rim is unbalanced construction, is biased to one side, and power is produced during for rotating.
The inner rotator upper magnet yoke 9, lower yoke 5 are connected and fixed by iron core 4, and iron core has 8, is evenly distributed on
Inner rotor configuration surrounding.Specific figure can see Fig. 3 inner rotor configuration figures.
The coil 8 is formed by copper wire winding, is around in the center section of iron core 4, totally 8 coils.
There is the axle for rotating in the middle of the rotor upper magnet yoke 9, lower yoke 5, it is fixed to rotate for being connected with lid
Axle.
Whole device is placed in shell, forms the overall diagram of Fig. 6.
The magnetic line of force is sent by N poles in the present invention, is upward transmitted by permanent magnet upper bracket 7.By outside upper magnet yoke 1,
Air gap, inner rotator upper magnet yoke 9, iron core 4, inner rotator lower yoke 5, outside lower yoke 3, permanent magnet lower carriage 2 return to permanent magnetism
Body S poles, form closed magnetic circuit.In the presence of extraneous low-frequency vibration, rotor constantly swings, when rotor rim tooth top and outside magnetic
The facing area and width of air gap of yoke tooth top change, and the magnetic resistance of each magnetic circuit is changed, and then the magnetic flux of each magnetic circuit is sent out
Changing, the magnetic flux that coil can be sensed is continually changing, and forms alternating current.By wire eight coils 8 according to certain
Mode is concatenated, then leads to battery charging to store electric energy by wire.Can just be produced when the number of turn of coil is larger higher
Alternating electromotive force.It can be seen that the present apparatus is higher to the utilization rate of magnetic circuit and coil, vibrational energy conversion ratio is high.
The magnetic line of force that permanent magnet in the present invention sends, can be by the magnetic tooth of rotor rim and outside yoke magnetic tooth during rotation
Contact, forms 4 closed-loop paths, and the utilization rate of device is higher.Its advantage：One is simple structure, and the manufacture of each part is compared
It is convenient；Two is reasonable design comparison, installs more convenient, and the utilization rate of rotor swing is high, improves efficiency；Three is in structure design
Focus on eliminating detent force, it is ensured that Rotor free movement.
Claims (4)
1. a kind of swing type energy gathering apparatus, including shell, it is characterised in that：The energy collecting device also includes position
In stator assembly and rotor assembly, the stator module includes permanent magnet in shell, the permanent magnet vertical direction is placed, on
Side is N poles, and lower section is S poles；The N poles of the permanent magnet are connected with permanent magnet upper bracket, under the S poles of the permanent magnet and permanent magnet
Support is connected, and the permanent magnet upper bracket is connected with outside upper magnet yoke, and the permanent magnet lower carriage is connected with outside lower yoke, institute
The circular arc such as permanent magnet arranged for interval is stated in outside upper magnet yoke, a circumferential circle of outside lower yoke；The rotor assembly includes rotor
Upper magnet yoke, iron core and rotor lower yoke, place coil on the iron core, the upper end of the iron core connects with the rotor upper magnet yoke
Connect, the lower end of the iron core is connected with the rotor lower yoke, the circle such as the rotor upper magnet yoke, circumferential circle of rotor lower yoke
2n iron core of arc arranged for interval, is provided with the axle for rotating in the middle of the rotor upper magnet yoke, rotor lower yoke；
The circular arcs such as the rotor upper magnet yoke, the outer ring of rotor lower yoke are interval with 2n magnetic tooth, and the magnetic backlash is more than two
Magnetic tooth width again；The circular arcs such as the outside upper magnet yoke, the inner ring of outside lower yoke are interval with 3n magnetic tooth, and magnetic tooth width
Equal with magnetic backlash, the rotor upper magnet yoke is located in the outside upper magnet yoke and magnetic tooth contact each other, described turn
Sub- lower yoke is located in the outside lower yoke and magnetic tooth contact each other, and the magnetic tooth width of rotor rim is less than outside magnetic
The magnetic backlash of yoke.
2. swing type energy gathering apparatus as claimed in claim 1, it is characterised in that：The shell is in hollow cylinder,
The outside upper magnet yoke, outside yoke be separately fixed at the inwall of shell, and the shell is respectively mounted lid, the rotor up and down
Upper magnet yoke, the axle of rotor lower yoke are connected with lid respectively.
3. swing type energy gathering apparatus as claimed in claim 1 or 2, it is characterised in that：The permanent magnet upper bracket,
Permanent magnet lower carriage is carved with the groove for fixed permanent magnet.
4. swing type energy gathering apparatus as claimed in claim 1 or 2, it is characterised in that：The outside upper magnet yoke sets
There is the groove for fixed permanent magnet upper bracket, the outside lower yoke is provided with the groove for fixed permanent magnet lower carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234940.2A CN106787591B (en) | 2016-12-28 | 2016-12-28 | A kind of swing type energy gathering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234940.2A CN106787591B (en) | 2016-12-28 | 2016-12-28 | A kind of swing type energy gathering apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787591A true CN106787591A (en) | 2017-05-31 |
| CN106787591B CN106787591B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234940.2A Active CN106787591B (en) | 2016-12-28 | 2016-12-28 | A kind of swing type energy gathering apparatus |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110858725A (en) * | 2018-08-24 | 2020-03-03 | 中国电力科学研究院有限公司 | Environment energy taking device and intelligent monitoring system thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302471A (en) * | 1998-05-16 | 2001-07-04 | 韩国能量技术有限公司 | Magnetic circuit for rotating apparatus |
| RU2303849C1 (en) * | 2005-11-01 | 2007-07-27 | Василий Васильевич Шкондин | Commutatorless permanent-magnet synchronous generator |
| CN201065906Y (en) * | 2007-06-19 | 2008-05-28 | 刘新广 | Magnetic shock-absorber |
| US20120153757A1 (en) * | 2006-06-08 | 2012-06-21 | Exro Technologies Inc. | Polyphasic multi-coil electric device |
-
2016
- 2016-12-28 CN CN201611234940.2A patent/CN106787591B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302471A (en) * | 1998-05-16 | 2001-07-04 | 韩国能量技术有限公司 | Magnetic circuit for rotating apparatus |
| RU2303849C1 (en) * | 2005-11-01 | 2007-07-27 | Василий Васильевич Шкондин | Commutatorless permanent-magnet synchronous generator |
| US20120153757A1 (en) * | 2006-06-08 | 2012-06-21 | Exro Technologies Inc. | Polyphasic multi-coil electric device |
| CN201065906Y (en) * | 2007-06-19 | 2008-05-28 | 刘新广 | Magnetic shock-absorber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110858725A (en) * | 2018-08-24 | 2020-03-03 | 中国电力科学研究院有限公司 | Environment energy taking device and intelligent monitoring system thereof |
| CN110858725B (en) * | 2018-08-24 | 2021-10-15 | 中国电力科学研究院有限公司 | Environment energy taking device and intelligent monitoring system thereof |
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| CN106787591B (en) | 2019-02-12 |
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