CN104500321B - Wave energy differential linear electric generator - Google Patents
Wave energy differential linear electric generator Download PDFInfo
- Publication number
- CN104500321B CN104500321B CN201410608095.5A CN201410608095A CN104500321B CN 104500321 B CN104500321 B CN 104500321B CN 201410608095 A CN201410608095 A CN 201410608095A CN 104500321 B CN104500321 B CN 104500321B
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- Prior art keywords
- permanent magnet
- magnet assembly
- rope
- seal casinghousing
- coil block
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of wave energy differential linear electric generator, including permanent magnet assembly, coil block, seal casinghousing and permanent magnet assembly connecting shaft, permanent magnet assembly to drive it to be moved up and down in seal casinghousing by permanent magnet assembly connecting shaft；Permanent magnet assembly upper end connects one end of rope one, and the pulley that rope one is set around seal casinghousing inner top simultaneously connects coil block upper head plate with its other end；Permanent magnet assembly lower end connects one end of rope two, and the pulley that rope two is set around seal casinghousing inner bottom part simultaneously connects coil block bottom plate with its other end；Realize that coil block and permanent magnet assembly move in the opposite direction respectively by the pulling force of rope.After adopting the above technical scheme, the distance of relative movement of wave energy differential linear electric generator coil block of the present invention and permanent magnet assembly is twice of wave height, generated output is multiplied, simple in structure and low in cost, reliable operation, and generating efficiency is high.
Description
Technical field
The present invention relates to a kind of energy conversion device that mechanical energy is converted into electric energy, wave energy is especially converted into electricity
The differential linear electric generator of energy.
Background technology
Wave energy is to be easy to directly utilization, a kind of inexhaustible clean non-pollution renewable energy.Linear electric generator is
Wave energy is converted into a kind of energy conversion device of electric energy, compared with rotary generator, linear electric generator has middle pass
The advantages that rotating ring section is few, simple in construction, cost is relatively low.At present, the permanent magnet assembly and line of wave energy direct-drive type linear electric generator
The movement characteristic of coil assembly is generally one of fixed static, and another does relative motion, and coil movement, permanent magnet are fixed
Linear electric generator is referred to as moving-coil type linear electric generator, and coil is fixed, the linear electric generator of permanent magnet motion is referred to as moving iron straight line
Generator, as shown in Figure 1.
The relating to parameters such as the generated output of linear electric generator and coil turn, permanent magnet volume and flux change rate.Magnetic flux
Rate of change is faster, and the generated output of linear electric generator is bigger, and still, actual heaving of the sea campaign is a kind of low frequency movement, limit
The energy conversion efficiency of linear electric generator is made.In addition, always there is no desired wind and waves for specific marine site, compared with
Small unrestrained height is restricted the movement travel of linear electric generator mover, is unfavorable for the collection of energy of generic linear generator.It is right
In common linear electric motors, when wave declines, permanent magnet or coil are resetted by the thrust of its deadweight or float, still,
Being sprung up and impacted by wave is influenceed, and linear electric motors body is difficult to keep preferable perpendicular attitude, when linear electric motors angle of inclination
When big, reset is relatively difficult or reset is slower, so as to have influence on generated output.
The content of the invention
In order to overcome existing wave energy linear electric generator by wave effect mover movement velocity is slow, mover movement travel is smaller
And reset the shortcomings of unreliable, the present invention provides a kind of differential linear electric generator, the linear electric generator improve permanent magnet and
The speed of related movement of coil, extend the distance of relative movement of permanent magnet and coil.
The above-mentioned purpose of the present invention is realized by following technical proposal：
Wave energy differential linear electric generator, including permanent magnet assembly, coil block, seal casinghousing connect with permanent magnet assembly
Axle, permanent magnet assembly drive it to be moved up and down in seal casinghousing by permanent magnet assembly connecting shaft；Coil block can on move down
It is arranged at dynamicly in seal casinghousing, the upper and lower ends of coil block are respectively fixed with coil block upper head plate and coil block lower end
Plate；Seal casinghousing inner top is provided with top sheave, and seal casinghousing inner bottom part is provided with lower sheave；Permanent magnet assembly upper end connects rope one
One end, rope one around seal casinghousing inner top set pulley and with its other end connect coil block upper head plate；Permanent magnetism
Body component lower end connects one end of rope two, and the pulley that rope two is set around seal casinghousing inner bottom part is simultaneously connected with its other end
Coil block bottom plate；Realize that coil block and permanent magnet assembly move in the opposite direction respectively by the pulling force of rope.
Further, the length of the permanent magnet assembly is coil block length and the stroke sum of 2 times of permanent magnet assemblies.
Further, the coil block axis of guide is provided with seal casinghousing, coil block slides with the coil block axis of guide
Coordinate and complete its guide effect moved up and down.
Further, the permanent magnet assembly connecting shaft is hollow shaft, and seal casinghousing inner bottom part fixed permanent magnet component is led
To axle, the permanent magnet assembly axis of guide is stretched into permanent magnet assembly connecting shaft and slided with permanent magnet assembly connecting shaft by sliding bearing
Connection；Permanent magnet assembly connecting shaft is slidably connected with seal casinghousing by sliding bearing.
Further, fixed seat, coil block upper head plate and fixed seat are respectively equipped with seal casinghousing inner top and bottom
Between, between coil block bottom plate and fixed seat be respectively equipped with spring；The top and bottom of permanent magnet assembly are respectively arranged with buffering
Spring.
Further, one end connection permanent magnet assembly upper end of the rope one bypasses the top sheave of seal casinghousing inner top
And its other end connection coil block upper head plate, it is such to be combined into an assembly pulley, set in seal casinghousing inner top more
Individual such assembly pulley；One end connection permanent magnet assembly lower end of rope two bypasses the lower sheave of seal casinghousing inner bottom part and its is another
One end connects coil block bottom plate, such to be combined into an assembly pulley, multiple so in the setting of seal casinghousing inner bottom part
Assembly pulley.
Further, each assembly pulley includes two pulleys, and rope one bypasses two cunnings of seal casinghousing inner top
Wheel connects upper end and the coil block upper head plate of permanent magnet assembly respectively, make front and rear two sections of rope one it is parallel；Rope two around
Two pulleys for crossing bottom in capsul body connect lower end and the coil block bottom plate of permanent magnet assembly respectively, make rope two
Front and rear two sections parallel.
Further, the rope is steel wire rope, nylon rope or other material ropes.
After adopting the above technical scheme, the beneficial effects of the invention are as follows：1st, the relative fortune of coil block and permanent magnet assembly
Dynamic stroke is twice of wave height, and flux change rate is twice of usual linear electric generator, and generated output is multiplied；2nd, bullet
Spring plays reset response, makes linear electric generator reliable operation；3rd, it is simple in construction, cost is low, generating efficiency is high.
Brief description of the drawings
Fig. 1 is generic linear generator operation schematic diagram；
Fig. 2 is wave energy differential linear electric generator cut-away view；
Fig. 3 is the big figure of local wind of wave energy differential linear electric generator cut-away view；
Fig. 4 is unrestrained energy differential linear electric generator fundamental diagram；
Fig. 5 is the working state figure that the upward moving coil component of permanent magnet assembly moves downward；
Fig. 6 is that permanent magnet assembly moves downward the working state figure that coil block moves upwards.
Main member symbol description
1st, permanent magnet assembly 2, coil block
3rd, seal casinghousing 4, permanent magnet assembly connecting shaft
5th, coil block upper head plate 6, coil block bottom plate
7th, top sheave 8, lower sheave
9th, rope 1, rope two
11st, the coil block axis of guide 12, the permanent magnet assembly axis of guide
13rd, sliding bearing 1, sliding bearing two
15th, spring 1, spring two
17th, upper buffer spring 18, lower buffer spring.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：Wave energy differential linear electric generator, as shown in Fig. 2 including permanent magnet assembly 1, coil block 2, sealing
Housing 3 and permanent magnet assembly connecting shaft 4, permanent magnet assembly 1 drive it in seal casinghousing 3 by permanent magnet assembly connecting shaft 4
Move up and down；Coil block 2 can be arranged in seal casinghousing 3 up or down, and the upper and lower ends of coil block 2 are respectively fixed with
Coil block upper head plate 5 and coil block bottom plate 6；The inner top of seal casinghousing 3 is provided with top sheave 7, and the inner bottom part of seal casinghousing 3 is set
There is lower sheave 8.The upper end of permanent magnet assembly 1 connects one end of rope 1, and rope 1 sets upper around the inner top of seal casinghousing 3
Pulley 7 simultaneously connects coil block upper head plate 5 with its other end；The lower end of permanent magnet assembly 1 connects one end of rope 2 10, rope two
10 lower sheaves 8 set around the inner bottom part of seal casinghousing 3 simultaneously connect coil block bottom plate 6 with its other end；By rope（Bag
Include rope 1 and rope 2 10）Pulling force realize that coil block 2 and permanent magnet assembly 1 move in the opposite direction respectively.Permanent magnetism
The length of body component 1 is the length of coil block 2 and the stroke sum of 2 times of permanent magnet assemblies 1, as shown in Figure 4.In seal casinghousing 3
Interior to be provided with the coil block axis of guide 11, coil block 2 is slidably matched leading of completing that it moves up and down with the coil block axis of guide 11
To effect.Permanent magnet assembly connecting shaft 4 is hollow shaft, the inner bottom part fixed permanent magnet component axis of guide 12 of seal casinghousing 3, permanent magnet
The component axis of guide 12, which stretches into slide by sliding bearing 1 with permanent magnet assembly connecting shaft 4 in permanent magnet assembly connecting shaft 4, to be connected
Connect；Permanent magnet assembly connecting shaft 4 is slidably connected with seal casinghousing 3 by sliding bearing 2 14, as shown in Figure 3.In seal casinghousing 3
Inner top and bottom are respectively equipped with fixed seat, and spring 1 is provided between coil block upper head plate 5 and fixed seat（Spring one can be set
Put multiple）, spring 2 16 is respectively equipped between coil block bottom plate 6 and fixed seat（Spring two can be set multiple）；Permanent magnet
The upper end of component 1 is equipped with upper buffer spring 17, and the lower end of permanent magnet assembly 1 is respectively arranged with lower buffer spring 18.One end of rope 1
Connect the upper end of permanent magnet assembly 1 and connect coil block upper head plate 5 around the top sheave 7 of the inner top of seal casinghousing 3 and its other end,
It is such to be combined into an assembly pulley, in the inner top of seal casinghousing 3, multiple such assembly pulleys are set；One end of rope 2 10
Connect the lower end of permanent magnet assembly 1 and connect coil block bottom plate 6 around the lower sheave 8 of the inner bottom part of seal casinghousing 3 and its other end,
It is such to be combined into an assembly pulley, in the inner bottom part of seal casinghousing 3, multiple such assembly pulleys are set.Pushed up in seal casinghousing 3
The assembly pulley in portion and the assembly pulley of the inner bottom part of seal casinghousing 3 respectively include two pulleys, and rope 1 bypasses the inner top of seal casinghousing 3
Two pulleys connect the upper end of permanent magnet assembly 1 and coil block upper head plate 5 respectively, make front and rear two sections of rope 1 it is equal
OK；Rope 2 10 connects under the lower end and coil block of permanent magnet assembly 1 respectively around two pulleys of the inner bottom part of seal casinghousing 3
End plate 6, make front and rear two sections of rope 2 10 it is parallel.Can so make the Impact direction of permanent magnet assembly 1 and coil block 2 with
The direction of motion makes the operation of mechanism more stable on same straight line.Rope（Including rope 1 and rope 2 10）It can make
With steel wire rope, nylon rope or other material ropes.
When wave promotes float to move up, float drives permanent magnet assembly 1 by permanent magnet assembly connecting shaft 4
Motion upwards, and permanent magnet assembly 1 bypasses the lower sheave 8 of the inner bottom part of seal casinghousing 3 setting with moving winding group by rope 2 10
Part 2 equidistantly moves downward.So, permanent magnet assembly 1 actually moves double wave relative to moving-wire coil assembly 2
Height, then its generated energy should be using twice of generic linear generator institute generated energy, as shown in Figure 5 in theory.Similarly, when floating
When son moves down, permanent magnet assembly 1 is moved downward and set by rope 1 around the inner top of seal casinghousing 3 upper
Pulley 7 drives the equidistantly motion upwards of coil block 2, as shown in Figure 4 and Figure 6, its theoretic double hair equally can be achieved
Electric purpose.
Described above is only the better embodiment of the present invention, and embodiment is used for illustrative purposes only, rather than to this hair
Bright limitation, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, it can also make
Various conversion or change.Therefore, all equivalent technical schemes should also belong to scope of the invention.
Claims (8)
1. wave energy differential linear electric generator, including permanent magnet assembly, coil block, seal casinghousing connect with permanent magnet assembly
Axle, permanent magnet assembly drive it to be moved up and down in seal casinghousing by permanent magnet assembly connecting shaft；It is characterized in that：Coil group
Part can be arranged in seal casinghousing up or down, and the upper and lower ends of coil block are respectively fixed with coil block upper head plate and line
Coil assembly bottom plate；Seal casinghousing inner top is provided with top sheave, and seal casinghousing inner bottom part is provided with lower sheave；Permanent magnet assembly upper end
One end of rope one is connected, the top sheave that rope one is set around seal casinghousing inner top simultaneously connects coil block with its other end
Upper head plate；Permanent magnet assembly lower end connects one end of rope two, and rope two bypasses the lower sheave of seal casinghousing inner bottom part setting simultaneously
Coil block bottom plate is connected with its other end；Realize coil block and permanent magnet assembly respectively towards opposite by the pulling force of rope
Direction motion.
2. wave energy differential linear electric generator according to claim 1, it is characterised in that：The length of the permanent magnet assembly
For coil block length and the stroke sum of 2 times of permanent magnet assemblies.
3. wave energy differential linear electric generator according to claim 1, it is characterised in that：Coil is provided with seal casinghousing
The component axis of guide, coil block is slidably matched with the coil block axis of guide completes its guide effect moved up and down.
4. wave energy differential linear electric generator according to claim 1, it is characterised in that：The permanent magnet assembly connecting shaft
For hollow shaft, the seal casinghousing inner bottom part fixed permanent magnet component axis of guide, the permanent magnet assembly axis of guide stretches into permanent magnet assembly company
It is slidably connected in spindle with permanent magnet assembly connecting shaft by sliding bearing；Permanent magnet assembly connecting shaft passes through cunning with seal casinghousing
Dynamic bearing is slidably connected.
5. wave energy differential linear electric generator according to claim 1, it is characterised in that：In seal casinghousing inner top and interior
Bottom is respectively equipped with fixed seat, distinguishes between coil block upper head plate and fixed seat, between coil block bottom plate and fixed seat
Provided with spring；The top and bottom of permanent magnet assembly are respectively arranged with buffer spring.
6. wave energy differential linear electric generator according to claim 1, it is characterised in that：One end connection of the rope one
Permanent magnet assembly upper end, top sheave and other end connection coil block upper head plate around seal casinghousing inner top, such group
An assembly pulley is synthesized, multiple such assembly pulleys are set in seal casinghousing inner top；One end connection permanent magnet of rope two
Component lower end, lower sheave and its other end connection coil block bottom plate around seal casinghousing inner bottom part are such to be combined into
For an assembly pulley, multiple such assembly pulleys are set in seal casinghousing inner bottom part.
7. wave energy differential linear electric generator according to claim 6, it is characterised in that：Each assembly pulley includes two
Individual pulley, rope one connect on the upper end and coil block of permanent magnet assembly respectively around two pulleys of seal casinghousing inner top
End plate, make front and rear two sections of rope one it is parallel；Rope two connects permanent magnetism respectively around two pulleys of seal casinghousing inner bottom part
The lower end of body component and coil block bottom plate, make front and rear two sections of rope two it is parallel.
8. the wave energy differential linear electric generator according to any one of claim 1 ~ 7, it is characterised in that：The rope is steel
Cord, nylon rope or other material ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608095.5A CN104500321B (en) | 2014-11-04 | 2014-11-04 | Wave energy differential linear electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608095.5A CN104500321B (en) | 2014-11-04 | 2014-11-04 | Wave energy differential linear electric generator |
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| Publication Number | Publication Date |
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| CN104500321A CN104500321A (en) | 2015-04-08 |
| CN104500321B true CN104500321B (en) | 2017-11-14 |
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| CN201410608095.5A Active CN104500321B (en) | 2014-11-04 | 2014-11-04 | Wave energy differential linear electric generator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370489B (en) * | 2015-12-10 | 2019-02-15 | 中国海洋大学 | Wave energy linear generating set |
| CN105697223B (en) * | 2016-04-26 | 2018-02-09 | 上海交通大学 | Non-linear straight drive float type wave energy power generation |
| CN110576941B (en) * | 2019-09-25 | 2021-03-02 | 大连理工大学 | Passive wave compensation device with electromagnetic damping |
| CN114893337B (en) * | 2022-04-21 | 2023-06-09 | 中国长江三峡集团有限公司 | Composite power generation device based on tidal current energy and wave energy |
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2014
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