CN106099595A - A kind of current collecting equipment with graphene carbon brush configuration - Google Patents
A kind of current collecting equipment with graphene carbon brush configuration Download PDFInfo
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- CN106099595A CN106099595A CN201610363140.4A CN201610363140A CN106099595A CN 106099595 A CN106099595 A CN 106099595A CN 201610363140 A CN201610363140 A CN 201610363140A CN 106099595 A CN106099595 A CN 106099595A
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- assembly
- accommodation space
- bearing pin
- carbon brush
- protruding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/022—Details for dynamo electric machines characterised by the materials used, e.g. ceramics
- H01R39/025—Conductive materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/30—Liquid contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a kind of current collecting equipment with graphene carbon brush configuration, including the first power collecting units, the first accommodation space, the second accommodation space and the 3rd accommodation space is divided into by the first protruding assembly inside the hollow of described first stator component, described first power collecting units also includes, first carbon brush structure, it is arranged in the described first protruding assembly, and it is internally provided with graphene dispersing solution；And, first conductive component, one end is connected with described the first rotor parts in described first accommodation space, and the other end is connected through the described first protruding assembly with described first carbon brush structure, and described first conductive component can rotate along with the rotation of described the first rotor parts.The current collecting equipment with graphene carbon brush configuration of the offer of the present invention, electric conductivity is excellent in use, and wear rate is low, smooth running, and noise is little, dimensionally stable, does not hinder rotor and stator；Meanwhile, the current collecting equipment that the present invention is combined into also easily facilitates assembling and splits.
Description
Technical field
The invention belongs to generator carbon brush technical field, a kind of current collecting equipment with graphene carbon brush configuration.
Background technology
Carbon brush is that electromotor sound contacts and the equipment of positive energy exchange with slip ring, is the important composition of generator excited system
Part.But due to a lot of reasons in Yun Hanging, superheating phenomenon occurs often, seriously jeopardizes the safe operation of electromotor.In order to protect
Card unit safety stable operation, to the maintenance of specification carbon brush, all there are strict requirements in power plant, and carbon brush thermometric is in carbon brush regular maintenance
Very important one, general by infrared thermometer periodic measurement carbon brush temperature, owing to the working environment of carbon brush equipment is subject to
The various factors impacts such as dust, infrared thermometer often cannot obtain reliable temperature data, and monitoring time interval is longer,
Real time on-line monitoring cannot be realized, it is impossible to find fault in real time.
Carbon brush normal operating temperature is usually 50 DEG C～80 DEG C (exceeding about 40 DEG C than ambient temperature), carbon brush CURRENT DISTRIBUTION
Entirety compares balance, and every block of carbon brush operating current is at 20-100A.Brush spring pressure ratio is more uniform, and carbon brush activity is freely and nothing
Vibrations bite phenomenon.The heat that carbon brush produces in running with collector ring is taken away by ventilating system, i.e. generates heat and heat radiation basically reaches
Balance.Under normal operating condition, when load increases electric current increase or indivedual carbon brush operating mode is deteriorated, temperature has trace in short-term and increases
Adding, system is able to maintain that the poised state balancing or reaching new.If but carbon brush shortens, brush spring pressure diminishes, contact
Resistance becomes big, carbon brush operating condition variation, and when operating current increase, variations in temperature, the balanced capacity of system reduces, part carbon
Brush temperature will raise, thus cause whole system temperature to raise, the most uncontrollable state.Adstante febre carbon brush and collection
Electricity ring temperature is up to more than 100 DEG C, is up to 200 DEG C time the most serious--and 300 DEG C.Now carbon brush duty is worse and worse, carbon brush
CURRENT DISTRIBUTION is the most uneven, and minority carbon brush electric current reaches 300A, and other carbon brush electric currents are close to 0.A large amount of carbon brush occur not
Beating normally or bite, and substantial amounts of spark occur, shunt welding is blown or takes off pigtail；Carbon brush and the collector ring grating change of tune obtain sharply
Ear-piercing, until causing collector ring ring fire.
Carbon brush is overheated can cause serious harm to current collecting equipment, especially for the unit that carbon brush fault rate is high, and can thus
Cause unit unplanned outage to stop, system is caused bad impact, power plant is also brought along bad economic loss simultaneously.With
Time, in prior art, needing additionally mounted carbon brush holder for fixing carbon brush, structure is complicated and is not easy to dismounting.
Summary of the invention
The purpose of this part is to summarize some aspects of embodiments of the invention and briefly introduce some preferably to implement
Example.Make a summary in this part and the description of the present application and denomination of invention may be done a little simplification or omit to avoid making our department
Point, the purpose of specification digest and denomination of invention obscure, and this simplification or omission cannot be used for limiting the scope of the present invention.
In view of problem present in the above-mentioned and/or existing current collecting equipment with carbon brush structure, it is proposed that the present invention.
Therefore, it is an object of the invention to provide the current collecting equipment with graphene carbon brush configuration of a kind of electromotor, it leads to
Cross the ingenious utilization to new material graphene dispersing solution, it is possible to effectively reduce the overheated infringement brought of carbon brush in prior art,
The security risk in production process can be prevented effectively from.
For solving above-mentioned technical problem, the present invention provides following technical scheme: a kind of collection with graphene carbon brush configuration
Electric installation, including the first power collecting units, described first power collecting units includes the first stator component and the first rotor parts, described
One rotor part is arranged at described first stator component inside and can rotate therein, the hollow of described first stator component
The first accommodation space, the second accommodation space and the 3rd accommodation space, described the first rotor are divided into by the first protruding assembly in inside
Parts run through described first accommodation space, the second accommodation space and the 3rd accommodation space, and described first power collecting units also includes, the
One carbon brush structure, is arranged in the described first protruding assembly, and it is internally provided with graphene dispersing solution；And, the first conduction
Parts, one end is connected with described the first rotor parts in described first accommodation space, and the other end is protruding through described first
Assembly is connected with described first carbon brush structure, and described first conductive component can be along with the rotation of described the first rotor parts
Rotate.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: also wrap
Include the first seal member, be arranged at the upper end of described first accommodation space, described first accommodation space is sealed.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
First stator component is divided on first by described first protruding assembly isolation area and encloses assembly and enclose assembly first time, corresponding,
Enclosing component internal on described first and form described first accommodation space, the described first protruding assembly is internally formed described second and houses
Space, encloses component internal described first time and forms described 3rd accommodation space.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
The upper surface enclosing assembly on first is provided with the first bearing pin passage, described first bearing pin passage run through enclose on described first assembly,
First protruding assembly and enclose assembly for first time, described first bearing pin channel region is divided into upper part and the bottom of the first bearing pin passage
Divide, and meet the interior diameter interior diameter more than its underpart of its upper part, part and intersection's shape of its underpart thereon
Become the first confined planes.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
The medial wall that first bearing pin channel upper divides is provided with the screw thread that the first protruding end lateral surface with the first bearing pin matches,
Described first bearing pin is divided into the first upper shaft part and the first lower shaft portion, the diameter of described first protruding end by described first protruding end
Equal with the interior diameter that described first bearing pin channel upper divides, the diameter of described first lower shaft portion is equal to described first bearing pin passage
The interior diameter of lower part.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
It is provided with the first elastomeric element between the downside of the first confined planes and described first protruding end.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
The lower end inside that first time is enclosed assembly is provided with the first slide block.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: also wrap
Including, the second power collecting units, described second power collecting units includes the second stator component and the second rotor part, described second rotor portions
It is internal and can rotate therein that part is arranged at described second stator component, by the inside the hollow of described second stator component
Two protruding assemblies divide into the 4th accommodation space, the 5th accommodation space and the 6th accommodation space, and described second rotor part runs through
Described 4th accommodation space, the 5th accommodation space and the 6th accommodation space, described second power collecting units also includes, the second carbon brush knot
Structure, is arranged in the described second protruding assembly, and it is internally provided with graphene dispersing solution；And, the second conductive component, one end
Being connected with described second rotor part in described 4th accommodation space, the other end passes the described second protruding assembly with described
Second carbon brush structure is connected, and described second conductive component can rotate along with the rotation of described second rotor part.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
Second stator component is divided on second by described second protruding assembly isolation area and encloses assembly and enclose assembly second time, corresponding,
Enclosing component internal on described second and form described 4th accommodation space, the described second protruding assembly is internally formed the described 5th and houses
Space, encloses component internal described second time and forms described 6th accommodation space, and the outside enclosing assembly on described second is provided with
One guide rail, described first guide rail encloses the outer, upper end of assembly on described second to be begun, and longitudinally extends to described second farthest downwards
The upper end-face edge of protruding assembly, then encloses the periphery horizontal expansion of assembly on described second and forms conflict end, and described the
The lower end inside that two times are enclosed assembly is provided with the second slide block, and described first slide block matches with described first guide rail, when described
One slide block, after the upper end of described first guide rail enters, is conflicted to the conflict end of described first guide rail along described first guide rail always
Stopping, described 6th accommodation space houses enclosing assembly on described second.
As a kind of preferred version of the current collecting equipment with graphene carbon brush configuration of the present invention, wherein: described
The upper surface enclosing assembly on second is provided with the second bearing pin passage, described second bearing pin passage run through enclose on described second assembly,
Second protruding assembly and enclose assembly for second time, described second bearing pin channel region is divided into upper part and the bottom of the second bearing pin passage
Divide, and meet the interior diameter interior diameter more than its underpart of its upper part, part and intersection's shape of its underpart thereon
Become the second confined planes；Being provided with the second bearing pin in described second bearing pin passage, described second bearing pin includes the second protruding end, described
Described second bearing pin is divided into the second upper shaft part and the second lower shaft portion, the diameter of described second protruding end and institute by the second protruding end
Stating the interior diameter that the second bearing pin channel upper divides equal, the diameter of described second lower shaft portion is equal to described second bearing pin beneath galleries
The interior diameter divided.
Beneficial effects of the present invention: the current collecting equipment with graphene carbon brush configuration of the offer of the present invention, in use
Electric conductivity is excellent, and wear rate is low, smooth running, and noise is little, dimensionally stable, does not hinder rotor and stator；Meanwhile, present invention combination
The current collecting equipment become also easily facilitates assembling and splits.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required use in embodiment being described below
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this
From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.Wherein:
Fig. 1 is the first current collection of a kind of current collecting equipment with graphene carbon brush configuration described in one embodiment of the invention
Cellular construction schematic diagram；
Fig. 2 is the cross-section structure of the first power collecting units described in embodiment illustrated in fig. 1 of the present invention and partial enlargement structure is shown
It is intended to；
Fig. 3 is the structural representation of the first bearing pin described in embodiment illustrated in fig. 1 of the present invention；
Fig. 4 is the polycrystalline substance schematic diagram of the first power collecting units described in embodiment illustrated in fig. 1 of the present invention；
Fig. 5 is the first collection of a kind of current collecting equipment with graphene carbon brush configuration described in another embodiment of the present invention
The isolating construction schematic diagram of electric unit and the second power collecting units；
Fig. 6 is the cross-section structure of the second power collecting units described in embodiment illustrated in fig. 5 of the present invention and partial enlargement structure is shown
It is intended to；
Fig. 7 is the structural representation of the second bearing pin described in embodiment illustrated in fig. 5 of the present invention；
Fig. 8 is the polycrystalline substance schematic diagram of the second power collecting units described in embodiment illustrated in fig. 5 of the present invention；
Fig. 9 is the first guide rail structure schematic diagram of the second power collecting units described in embodiment illustrated in fig. 5 of the present invention；
Figure 10 is a kind of multiple collection of current collecting equipment with graphene carbon brush configuration described in further embodiment of the present invention
The structural representation of the combination of electric unit.
Detailed description of the invention
Understandable, below in conjunction with Figure of description pair for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
The detailed description of the invention of the present invention is described in detail.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention is all right
Using other to be different from alternate manner described here to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, " embodiment " or " embodiment " referred to herein refers to may be included at least one realization side of the present invention
Special characteristic, structure or characteristic in formula.Different in this manual local " in one embodiment " occurred not refer both to
Same embodiment, is not single or the most mutually exclusive with other embodiments embodiment.
As it is shown in figure 1, Fig. 1 shows a kind of current collecting equipment with graphene carbon brush configuration in one embodiment of the invention
The first power collecting units structural representation.The current collecting equipment with graphene carbon brush configuration in this embodiment, sees Fig. 2,
That includes the first power collecting units 100, this first power collecting units 100 includes the first stator component 101 and the first rotor parts
102, the first rotor parts 102 can rotate relative to the first stator component 101 in the first stator component 101 inside, and first is fixed
The first accommodation space 101a ', the second accommodation space is divided into by the first protruding assembly 101b inside the hollow of subassembly 101
101b ' and the 3rd accommodation space 101c ', specifically, the internal diameter of the first accommodation space 101a ' is more than the second accommodation space 101b '
Internal diameter, and the internal diameter that the internal diameter of the 3rd accommodation space 101c ' is also greater than the second accommodation space 101b '.The first rotor parts 102
Run through the first accommodation space 101a ', the second accommodation space 101b ' and the 3rd accommodation space 101c '.
This first power collecting units 100 also includes being arranged in the first protruding assembly 101b, and it is internally provided with Graphene
First carbon brush structure 103 of dispersion liquid.Different according to the presoma preparing graphene dispersing solution at present, method is broadly divided into two
Kind: one is to prepare graphene dispersing solution with graphite powder for raw material stripping the most in the liquid phase.This method is mainly Graphene
Sheet peels off the thin slice of hundreds of nanometers particle diameter, and the surface utilizing dispersion liquid can be close with graphenic surface energy so that it is uniform
In a solvent, this method can keep the excellent electrical and thermal conductivity performance of Graphene, but Graphene is difficult to divide with high concentration in dispersion
Dissipate in a solvent.Two is with reduction-oxidation graphite as raw material, and reduction-oxidation graphite surface contains a lot of polar group, by modification
Modify these polar groups, can be by graphene dispersion in water and organic solvent.The advantage of this preparation method is, Graphene
High-concentration stable can be kept in a solvent to disperse, the graphene dispersing solution being prepared as there may also be the application that other is new, but
Graphene dispersing solution sheet layer defects prepared by this method is bigger, it is difficult to keep the original high conduction performance of Graphene.Dispersed graphite alkene
Solvent both can be organic solvent, it is also possible to be to use water as solvent.Organic solvent include methanol, ethanol, isopropanol,
DMSO, DMF and NMP etc..Dispersive process needs use some surfactants, as dodecyl sodium sulfate (SDS), 12
Sodium alkyl benzene sulfonate (SDBS), polyvinyl alcohol (PVA), sodium lignin sulfonate (SLS), cetyl trimethylammonium bromide
(CTAB), DNA, polyvinylpyrrolidone (PVP) etc..Here, the graphene dispersing solution employed in the present embodiment is in oxidation
Adding reducing agent, the dispersion liquid that dispersant is formed in reduction process in graphene dispersing solution, its solid content is 0.3～1%, thick
Degree is 0.5～3.7nm, and flit size is about 0.5～3 μm, and total oxygen content, about 3%, is the stable graphite that is uniformly dispersed
Alkene dispersion liquid.
This first power collecting units 100 also includes that one end is connected with the first rotor parts 102 in the first accommodation space 101a '
Connecing, the first conductive component 104 that the other end is connected through the first protruding assembly 101b and the first carbon brush structure 103, first leads
Electricity parts 104 can rotate along with the rotation of the first rotor parts 102.Now, owing to the first conductive component 104 is always at liquid
Rotating in the graphene dispersing solution of state, the heat of generation is almost 0, and therefore its electric conductivity is more excellent, and wear rate is lower, operating
More steady.
In this embodiment, the upper end of the first accommodation space 101a ' is additionally provided with the first seal member 105, it is possible to
First accommodation space 101a ' is sealed.Seeing Fig. 2, the first stator component 101 is distinguished by the first protruding assembly 101b isolation
It is to enclose assembly 101a on first and enclose assembly 101c for first time, corresponding, enclose assembly 101a on first and be internally formed the first appearance
It is empty a 101a ', the first protruding assembly 101b and is internally formed the second accommodation space 101b ', enclose the internal shape of assembly 101c for first time
Become the 3rd accommodation space 101c '.On first, enclose that the upper surface of assembly 101a is down-set the first bearing pin passage 101a-2,
One bearing pin passage 101a-2 can run through and encloses assembly 101a, the first protruding assembly 101b on first and enclose assembly 101c first time,
First bearing pin passage 101a-2 divides into the upper and bottom section of the first bearing pin passage 101a-2, and meets the interior of its upper part
Diameter is more than the interior diameter of its underpart, and the intersection of part and its underpart forms the first confined planes M thereon.That is, the
One bearing pin passage 101a-2 is actually the upper bore " passage " more than lower bore, naturally, at heavy caliber with small-bore
Be connected part, due to the difference of bore each other, can form " connection end ", " connection end " should be set as " the in this embodiment
One confined planes M ", in order to limit the downslide of the first elastomeric element 101a-4, also it is that the first elastomeric element 101a-4 is elastic simultaneously
Recover to provide support.
As it is shown on figure 3, the medial wall of the first bearing pin passage 101a-2 upper part is provided with and the first bearing pin 101a-3
The screw thread that matches of the first protruding end 101a-3 ' lateral surface, that is, the first protruding end 101a-3 ' lateral surface is also equipped with spiral shell
Stricture of vagina, therefore, now the first protruding end 101a-3 ' by with the screw thread phase on the medial wall of the first bearing pin passage 101a-2 upper part
Routing motion, it is achieved thereby that the up and down motion that the first bearing pin 101a-3 is in the first bearing pin passage 101a-2.Due to screw thread
Limiting, be both easy to there is the first elastomeric element 101a-4, this motion is not random yet, but can accurately realize the first pin
Axle 101a-3 enters the motion of the degree of depth, it is thus preferable to, the top of the first bearing pin 101a-3 is provided with concaveconvex structure, in order to
Engage this concaveconvex structure in aid, thus turn the first bearing pin 101a-3 moves.First protruding end 101a-3 ' is by
One bearing pin 101a-3 divides into the first upper shaft part 101a-31With the first lower shaft portion 101a-32, the diameter of the first protruding end 101a-3 '
Equal with the interior diameter of the first bearing pin passage 101a-2 upper part, the first lower shaft portion 101a-32Diameter equal to the first bearing pin lead to
The interior diameter of road 101a-2 lower part.It practice, this structure of the first bearing pin 101a-3, its section is similar to " cross ",
And the first lower shaft portion 101a-32Diameter equal to the setting of interior diameter of the first bearing pin passage 101a-2 lower part, prevent further
Stop coming off of the first elastomeric element 101a-4.Here, the first elastomeric element 101a-4 can select spring.See Fig. 4, first
It is provided with the first elastomeric element 101a-4 between the downside of confined planes M and the first protruding end 101a-3 ', encloses assembly first time
The lower end inside of 101c is provided with the first slide block 101c-1.In this embodiment, the effect of the first slide block 101c-1 embodies
It is connected in cooperation with the fixing of the second power collecting units 200 at the first power collecting units 100.
Seeing Fig. 5 and Fig. 6, the second power collecting units 200 includes the second stator component 201 and the second rotor part 202, second
Rotor part 202 is arranged at the second stator component 201 inside and can rotate therein, the hollow of the second stator component 201
The 4th accommodation space 201a ', the 5th accommodation space 201b ' and the 6th accommodation space are divided into by the second protruding assembly 201b in inside
201c ', the second rotor part 202 runs through the accommodating sky of described 4th accommodation space 201a ', the 5th accommodation space 201b ' and the 6th
Between 201c ', the second power collecting units 200 also includes the second carbon brush structure 203, is arranged in the second protruding assembly 201b, and in it
Portion is provided with graphene dispersing solution；And, the second conductive component 204, one end in the 4th accommodation space 201a ' with the second rotor
Parts 202 are connected, and the other end is connected through the second protruding assembly 201b and the second carbon brush structure 203, the second conductive component
204 can rotate along with the rotation of the second rotor part 202.
In this embodiment, the second carbon brush structure 203 is the circular passage being arranged in the second protruding assembly 201b,
Graphene dispersing solution should be full of in " passage ".Graphene is a kind of bi-dimensional cellular shape carbonaceous new material, due to the structure of its uniqueness
Graphene has a lot of excellent performance.The electron mobility (2 × 10 of Graphene5cm2〃v-1〃s-1), higher by 100 than silicon semiconductor
Times.The mechanical property of Graphene is the most excellent, and researchers obtain Graphene by the needle point measurement of atomic force microscope
Young's modulus is 1TPa.Graphene also has the optical property of uniqueness, and the Graphene of monolayer only absorbs the white light of 2.3%, right
Graphene within 5 layers, extinction can along with the number of plies linear increment.Graphene has so many excellent properties, can conduct
The electronic device that photoelectric properties are excellent, is widely studied and is applied to solaode, sensor, the parts of display.High concentration
The graphene dispersing solution of stable dispersion has huge application prospect, can apply to the preparation of graphene composite material, transparent
The industrialized production etc. of conductive film.But the most hydrophilic the most not oleophylic of graphene film, and owing to Van der Waals force is also easy to group
Poly-, it is difficult to long-time stable is disperseed in the solution.Different according to the presoma preparing graphene dispersing solution at present, method substantially may be used
Being divided into two kinds: one is to prepare graphene dispersing solution with graphite powder for raw material stripping the most in the liquid phase.This method mainly will
Graphene film peels off the thin slice of hundreds of nanometers particle diameter, and the surface utilizing dispersion liquid can be close with graphenic surface energy so that
It is dispersed in a solvent, and this method can keep the excellent electrical and thermal conductivity performance of Graphene, but Graphene is difficult to height
Concentration is disperseed in a solvent.Two is with reduction-oxidation graphite as raw material, and reduction-oxidation graphite surface contains a lot of polar group, logical
Cross these polar groups of modifying and decorating, can be by graphene dispersion in water and organic solvent.The advantage of this preparation method is,
Graphene can keep high-concentration stable to disperse in a solvent, and the graphene dispersing solution being prepared as there may also be other new answering
With, but graphene dispersing solution sheet layer defects prepared by this method is bigger, it is difficult to keep the original high conduction performance of Graphene.Dispersion
The solvent of Graphene both can be organic solvent, it is also possible to be to use water as solvent.Organic solvent includes methanol, ethanol, different
Propanol, DMSO, DMF and NMP etc..Dispersive process needs use some surfactants, such as dodecyl sodium sulfate
(SDS), dodecylbenzene sodium sulfonate (SDBS), polyvinyl alcohol (PVA), sodium lignin sulfonate (SLS), cetyl trimethyl bromine
Change ammonium (CTAB), DNA, polyvinylpyrrolidone (PVP) etc..Here, the graphene dispersing solution employed in the present embodiment be
Graphene oxide dispersion adds reducing agent, the dispersion liquid that dispersant is formed in reduction process, its solid content 0.3～
1%, thickness is 0.5～3.7nm, and flit size is about 0.5～3 μm, and total oxygen content, about 3%, is to be uniformly dispersed to stablize
Graphene dispersing solution.
In order to preferably realize sealing, as it is shown in figure 5, it is close to be additionally provided with second in the upper end of the second accommodation space 201a '
Envelope parts 205, the second accommodation space 201a ' can be sealed by it.And the second stator component 201 is by the second protruding assembly
201b isolation area is divided on second encloses assembly 201a and encloses assembly 201c for second time, corresponding, encloses in assembly 201a on second
Portion forms the 4th accommodation space 201a ', the second protruding assembly 201b and is internally formed described 5th accommodation space 201b ', second time
Enclose assembly 201c and be internally formed the 6th accommodation space 201c '.As it is shown in figure 9, the outside enclosing assembly 201a on second is provided with
One guide rail 201a-1, the first guide rail 201a-1 enclose the outer, upper end of assembly 201a on second to be begun, and longitudinally extends to farthest downwards
The upper end-face edge of the second protruding assembly 201b, the periphery horizontal expansion then enclosing assembly 201a on second forms conflict
End, the lower end inside that second time is enclosed assembly 201c is provided with the second slide block 201c-1, the first slide block 101c-1 and the first guide rail
201a-1 matches, when the first slide block 101c-1 is after the upper end of the first guide rail 201a-1 enters, along the first guide rail 201a-1 mono-
Directing reach the conflict end touched to the first guide rail 201a-1 to stop, the 6th accommodation space 201c ' holds enclosing assembly 201a on described second
Put.Here, the size of the first slide block 101c-1 just track bore with the first guide rail 201a-1 matches, simplest,
One guide rail 201a-1 is set to " L " type, so, when the first slide block 101c-1 final turn conflict supporting to the first guide rail 201a-1
During contravention, the first power collecting units 100 and the second power collecting units 200 just achieve the fixing of both in the vertical directions.
And the upper surface enclosing assembly 201a on second is provided with the second bearing pin passage 201a-2, the second bearing pin passage 201a-2
Run through and enclose assembly 201a, the second protruding assembly 201b on second and enclose assembly 201c for second time, the second bearing pin passage 201a-2 district
It is divided into the upper and bottom section of the second bearing pin passage 201a-2, and the interior diameter meeting its upper part is more than the interior of its underpart
Diameter, the intersection of part and its underpart forms the second confined planes S thereon；See Fig. 7, in the second bearing pin passage 201a-2
It is provided with the second bearing pin 201a-3, the second bearing pin 201a-3 and includes that the second protruding end 201a-3 ', the second protruding end 201a-3 ' will
Described second bearing pin 201a-3 divides into the second upper shaft part 201a-31With the second lower shaft portion 201a-32, the second protruding end 201a-3 '
Diameter and the interior diameter of the second bearing pin passage 201a-2 upper part equal, the second lower shaft portion 201a-32Diameter equal to second
The interior diameter of bearing pin passage 201a-2 lower part.It is preferred that the downside of the second confined planes S and the second protruding end 201a-3 ' it
Between be provided with the second elastomeric element 201a-4, in order to provide restoring force.
In this embodiment, the second bearing pin 201a-3 and the first bearing pin 101a-3 is different, and its difference is: second
The second protruding end 201a-3 ' lateral surface of bearing pin 201a-3 is also not provided with screw thread, and the inner side of the second bearing pin passage 201a-2
Face is also not provided with screw thread.But now it must is fulfilled for, when the first final turn of slide block 101c-1 is conflicted to the first guide rail 201a-1
Conflict end time, the lower part opening of the first bearing pin passage 101a-2 and the upper part opening of the second bearing pin passage 201a-2 are relative
Should be consistent.So, when the first bearing pin 101a-3 in the first bearing pin passage 101a-2 when moving downward, its first lower shaft portion
101a-32Bottom will conflict to the second upper shaft part 201a-31The top, when continue turn the first bearing pin 101a-3 keep
During Continued downward motion, owing to not having screw thread on the second bearing pin 201a-3, the second bearing pin 201a-3 will be forced to also continue to downwards
Slide.When the first lower shaft portion 101a-32After entering into the upper part of the second bearing pin passage 201a-2, stop turn, now, just real
Show both the first power collecting units 100 and the second power collecting units 200 in the horizontal direction fixing.
Certainly, as shown in Figure 8, the lower end inside enclosing assembly 201c at second time can also be provided with the second slide block 201c-
1.How, just achieve the first power collecting units the 100, second power collecting units 200 and the 3rd power collecting units, the 4th power collecting units etc.
The combination of multiple power collecting units, shown in Figure 10.
As it has been described above, the current collecting equipment with graphene carbon brush configuration of the offer of the present invention, electric conductivity in use
Excellent, wear rate is low, smooth running, and noise is little, dimensionally stable, does not hinder rotor and stator；Meanwhile, the current collection that the present invention is combined into
Device also easily facilitates assembling and splits.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted, although with reference to preferably
The present invention has been described in detail by embodiment, it will be understood by those within the art that, can be to the technology of the present invention
Scheme is modified or equivalent, and without deviating from the spirit and scope of technical solution of the present invention, it all should be contained at this
In the middle of bright right.
Claims (10)
1. there is a current collecting equipment for graphene carbon brush configuration, including the first power collecting units (100), described first power collecting units
(100) include that the first stator component (101) and the first rotor parts (102), described the first rotor parts (102) are arranged at described
First stator component (101) is internal and can rotate therein, it is characterised in that:
The first accommodation space is divided into by the first protruding assembly (101b) inside the hollow of described first stator component (101)
(101a '), the second accommodation space (101b ') and the 3rd accommodation space (101c '), described the first rotor parts (102) run through institute
State the first accommodation space (101a '), the second accommodation space (101b ') and the 3rd accommodation space (101c '), described first current collection list
Unit (100) also includes,
First carbon brush structure (103), is arranged in the described first protruding assembly (101b), and it is internally provided with graphene dispersion
Liquid；And,
First conductive component (104), one end in described first accommodation space (101a ') with described the first rotor parts (102)
Being connected, the other end is connected through the described first protruding assembly (101b) with described first carbon brush structure (103), and described first
Conductive component (104) can rotate along with the rotation of described the first rotor parts (102).
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 1, it is characterised in that: also include the first sealing
Parts (105), are arranged at the upper end of described first accommodation space (101a '), carry out close to described first accommodation space (101a ')
Envelope.
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 1 or 2, it is characterised in that: described first is fixed
Subassembly (101) is divided on first by described first protruding assembly (101b) isolation area and encloses assembly (101a) and enclose assembly first time
(101c), corresponding, enclose assembly (101a) on described first and be internally formed described first accommodation space (101a '), described
One protruding assembly (101b) is internally formed described second accommodation space (101b '), encloses the internal shape of assembly (101c) for described first time
Become described 3rd accommodation space (101c ').
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 3, it is characterised in that: enclose group on described first
The upper surface of part (101a) is provided with the first bearing pin passage (101a-2), and described first bearing pin passage (101a-2) runs through described
Enclose assembly (101a), the first protruding assembly (101b) on one and enclose assembly (101c) for first time, described first bearing pin passage
(101a-2) divide into the upper and bottom section of the first bearing pin passage (101a-2), and the interior diameter meeting its upper part is more than
The interior diameter of its underpart, the intersection of part and its underpart forms the first confined planes (M) thereon.
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 4, it is characterised in that: described first bearing pin leads to
The medial wall of road (101a-2) upper part is provided with the first protruding end with the first bearing pin (101a-3) (101a-3 ') outside
The screw thread matched in face, and described first protruding end (101a-3 ') described first bearing pin (101a-3) is divided into the first upper shaft part
(101a-31) and the first lower shaft portion (101a-32), the diameter of described first protruding end (101a-3 ') and described first bearing pin passage
(101a-2) interior diameter of upper part is equal, described first lower shaft portion (101a-32) diameter equal to described first bearing pin passage
(101a-2) interior diameter of lower part.
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 5, it is characterised in that: described first confined planes
(M) and it is provided with the first elastomeric element (101a-4) between the downside of described first protruding end (101a-3 ').
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 3, it is characterised in that: enclose group described first time
The lower end inside of part (101c) is provided with the first slide block (101c-1).
8. the current collecting equipment with graphene carbon brush configuration as described in as arbitrary in claim 4～7, it is characterised in that: also include,
Second power collecting units (200), described second power collecting units (200) includes the second stator component (201) and the second rotor portions
Part (202), described second rotor part (202) is arranged at described second stator component (201) inside and can turn therein
Dynamic, divided into the 4th accommodation space by the second protruding assembly (201b) inside the hollow of described second stator component (201)
(201a '), the 5th accommodation space (201b ') and the 6th accommodation space (201c '), described second rotor part (202) runs through institute
State the 4th accommodation space (201a '), the 5th accommodation space (201b ') and the 6th accommodation space (201c '), described second current collection list
Unit (200) also includes,
Second carbon brush structure (203), is arranged in the described second protruding assembly (201b), and it is internally provided with graphene dispersion
Liquid；And,
Second conductive component (204), one end in described 4th accommodation space (201a ') with described second rotor part (202)
Being connected, the other end is connected through the described second protruding assembly (201b) with described second carbon brush structure (203), and described second
Conductive component (204) can rotate along with the rotation of described second rotor part (202).
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 8, it is characterised in that: described second stator department
Part (201) is divided on second by described second protruding assembly (201b) isolation area and encloses assembly (201a) and enclose assembly second time
(201c), corresponding, enclose assembly (201a) on described second and be internally formed described 4th accommodation space (201a '), described
Two protruding assemblies (201b) are internally formed described 5th accommodation space (201b '), enclose the internal shape of assembly (201c) for described second time
Becoming described 6th accommodation space (201c '), the outside enclosing assembly (201a) on described second is provided with the first guide rail (201a-1),
Described first guide rail (201a-1) is enclosed the outer, upper end of assembly (201a) on described second and is begun, and longitudinally extends to institute farthest downwards
State the upper end-face edge of the second protruding assembly (201b), on described second, then enclose the periphery horizontal expansion of assembly (201a)
Forming conflict end, the lower end inside that described second time is enclosed assembly (201c) is provided with the second slide block (201c-1), and described first is sliding
Block (101c-1) matches with described first guide rail (201a-1), when described first slide block (101c-1) is from described first guide rail
(201a-1), after upper end enters, conflicts the supporting of extremely described first guide rail (201a-1) along described first guide rail (201a-1) always
Contravention stops, and described 6th accommodation space (201c ') house enclosing assembly (201a) on described second.
There is the current collecting equipment of graphene carbon brush configuration the most as claimed in claim 9, it is characterised in that: enclose on described second
The upper surface of assembly (201a) is provided with the second bearing pin passage (201a-2), and described second bearing pin passage (201a-2) runs through described
Enclose assembly (201a), the second protruding assembly (201b) on second and enclose assembly (201c) for second time, described second bearing pin passage
(201a-2) divide into the upper and bottom section of the second bearing pin passage (201a-2), and the interior diameter meeting its upper part is more than
The interior diameter of its underpart, the intersection of part and its underpart forms the second confined planes (S) thereon；
Being provided with the second bearing pin (201a-3) in described second bearing pin passage (201a-2), described second bearing pin (201a-3) includes
Second protruding end (201a-3 '), and described second protruding end (201a-3 ') described second bearing pin (201a-3) is divided on second
Axle portion (201a-31) and the second lower shaft portion (201a-32), the diameter of described second protruding end (201a-3 ') and described second bearing pin
The interior diameter of passage (201a-2) upper part is equal, described second lower shaft portion (201a-32) diameter equal to described second bearing pin
The interior diameter of passage (201a-2) lower part.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107221823A (en) * | 2017-07-31 | 2017-09-29 | 苏州逸纪杰电子科技有限公司 | A kind of graphene carbon brush for robot is powered change |
| CN107444591A (en) * | 2017-07-31 | 2017-12-08 | 苏州逸纪杰电子科技有限公司 | The underwater robot that a kind of hybrid power using the power supply of graphene carbon brush drives |
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| CN107444591A (en) * | 2017-07-31 | 2017-12-08 | 苏州逸纪杰电子科技有限公司 | The underwater robot that a kind of hybrid power using the power supply of graphene carbon brush drives |
| CN107444591B (en) * | 2017-07-31 | 2018-06-22 | 乐清市华尊电气有限公司 | The underwater robot that a kind of hybrid power using the power supply of graphene carbon brush drives |
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|---|---|
| CN106099595B (en) | 2018-07-03 |
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