CN104075298B - LED street lamp and radiator thereof - Google Patents
LED street lamp and radiator thereof Download PDFInfo
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- CN104075298B CN104075298B CN201410364107.4A CN201410364107A CN104075298B CN 104075298 B CN104075298 B CN 104075298B CN 201410364107 A CN201410364107 A CN 201410364107A CN 104075298 B CN104075298 B CN 104075298B
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- street lamp
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Abstract
The present invention relates to a kind of LED street lamp and radiator thereof.The radiator of a kind of LED street lamp, if including having the body of cavity, the moulding branch being fixed on some hollows of body and dry copper post block；Moulding branch includes a top portion and some terminal parts, and each terminal part arranges air outlet, and cavity, top portion, the connection of each terminal part are arranged；The first end of each copper post block is used for being in close contact LED light device, and the second end is in close contact body.A kind of LED street lamp is also provided, including the radiator of LED street lamp, LED light device and radiator fan.In the present invention, fan rotates the air ordering about body exterior and enters in cavity along louvre, forms air-flow, and the heat that LED sends enters inside moulding branch with air-flow via louvre, is finally discharged by the air outlet offered on terminal part.In addition, the partial heat carrying in air-flow is distributed from body and moulding branch by the form of heat transfer, by way of convection current and conduction, realize preferably radiating effect.
Description
Technical field
The present invention relates to light-emitting device field of radiating, particularly relate to a kind of LED street lamp and radiator thereof.
Background technology
With the development of LED correlation technique, LED street lamp is extensively applied, for example Chinese patent
200810216154.9 disclose LED street lamp, particularly relate to the LED street lamp of a kind of lamp tube type.LED road
Lamp includes lamp body, and lamp body has lamp tube cavity, arranges LED street lamp fluorescent tube in lamp tube cavity, it is characterised in that institute
State LED street lamp fluorescent tube and be connected with the adjusting means that it can be made along axis rotation, in order to regulation LED street lamp fluorescent tube
Rising angle.This invention provides the LED street lamp of the adjustable lamp tube type of a kind of light direction.
And for example, Chinese patent 201010564980.X discloses a kind of LED street lamp, including lamp body, LED
Light source, supply unit, control circuit, circuit board；Temperature sensor is installed, by TEMP in lamp body
Device, control circuit and supply unit are connected in series.Mounting temperature sensor and radiator fan in LED street lamp,
Can Based Intelligent Control and the temperature reducing LED light source in street lamp in time, contribute to reducing the light decay of LED light source.
LED street lamp shell uses aluminum material simultaneously, not only alleviates the weight of street lamp, and radiating effect is more preferable,
So this design is not only easy for installation, and can effectively control the temperature of street lamp, extend LED street lamp
Service life.
And for example, Chinese patent 201210422044.4 discloses a kind of LED street lamp, and this invention includes solar energy
Battery component, LED lamp holder, control cabinet and lamp stand, solar module, LED lamp holder and control
Case is arranged on lamp stand, and solar module, LED lamp holder, control cabinet are sequentially connected with, LED lamp holder bag
Including LED street lamp module, LED street lamp module is connected with driver, and LED street lamp module is fixed on aluminium base
Side；This invention utilizes solar energy to realize the use of control street lamp, utilizes photo resistance to realize photoelectric control
System, light extraction efficiency is high, and irradiated area is big, irradiates uniformly, decreases the parts of replacing, be greatly saved into
This.
But, existing LED street lamp, its moulding is inflexible, is often only suitable for using in quick section；For
Landscape light in city, the use environment of tract section, then shortcoming meets the change of environment, is also unfavorable for because of ground
Suiting measures to different conditions, manufactures the street lamp being applicable to cell, pavement.
Content of the invention
Based on this, it is necessary to provide one have general applicability, radiating effect preferably LED street lamp and
Radiator.
A kind of radiator of LED street lamp, including a body and the some moulding branches being fixed on described body；
Described body interior has cavity, and described moulding branch hollow is arranged, including a top portion and at least
Terminal part, described top portion is positioned at the position that described moulding branch is fixed on described body, and described terminal part is remote
From described body arrange, each described terminal part arranges air outlet, and, described cavity, described top portion,
The connection of each described terminal part is arranged；
Described body arranges at least one installation position；
If described installation position arranges an installing zone, some installation portions and dry copper post block；
Each described installation portion is for fixing outside LED light device respectively；
The first end of each described copper post block is used for being in close contact described LED light device, and the second end is tight
Contiguity touches described body；
Described installing zone is arranged at below described cavity, for fixing outside radiator fan.
In one of them embodiment, described air outlet is down-set.
In one of them embodiment, described moulding branch also sets up some through holes at its each described terminal part.
In one of them embodiment, described air outlet external connection arranges portion of keeping off the rain.
In one of them embodiment, described body is wholely set with described moulding branch.
In one of them embodiment, described beginning end is fixedly installed a blowing direction towards each described terminal part
Blowing fan.
In one of them embodiment, also include described radiator fan.
In one of them embodiment, the second end of each described copper post block one_to_one corresponding respectively is in moulding described in
Branch, and it is in close contact the described top portion of described moulding branch.
In one of them embodiment, described body is articles made of aluminium alloy.
A kind of LED street lamp, including the radiator of LED street lamp described in any of the above-described embodiment, described LED
Lighting device and described radiator fan.
In above-mentioned LED street lamp and radiator thereof, when fan rotates, order about the air of body exterior along louvre
Enter in cavity so that air forms air-flow, meanwhile, partial heat that LED sends with air-flow via
Louvre enters in cavity, enters inside moulding branch via air-vent further, finally by moulding branch
Terminal part on the air outlet offered discharge.In the process, the partial heat carrying in air-flow is passed by heat
The form led distributes from body and moulding branch, realizes preferably dissipating by way of convection current and conduction
Thermal effect.
Brief description
Fig. 1 is the sectional view of the LED street lamp of a preferred embodiment of the present invention and radiator thereof.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, right below in conjunction with the accompanying drawings
The detailed description of the invention of the present invention is described in detail.Elaborate in the following description a lot of detail with
It is easy to fully understand the present invention.But the present invention can come real to be a lot different from alternate manner described here
Executing, those skilled in the art can do similar improvement in the case of without prejudice to intension of the present invention, therefore this
Bright do not limited by following public being embodied as.
One example of the present invention is, the radiator of a kind of LED street lamp, it includes a body and is fixed on
Some moulding branches of described body；Described body interior has cavity, and described moulding branch hollow is arranged,
Including a top portion and at least one terminal part, described top portion is positioned at described moulding branch and is fixed on described body
Position, described terminal part is arranged away from described body, and each described terminal part arranges air outlet, and,
Described cavity, described top portion, the connection of each described terminal part are arranged；Described body arranges at least one installation position；
If described installation position arranges an installing zone, some installation portions and dry copper post block；Each described installation portion is for dividing
LED light device that Gu Ding be outside；The first end of each described copper post block is used for being in close contact described
LED light device, the second end is in close contact described body；Described installing zone is arranged at below described cavity,
Radiator fan for fixing outside.And for example, described body and described moulding branch are wholely set, so,
It is favorably improved production efficiency.And for example, described body is articles made of aluminium alloy.
For example, the radiator of a kind of LED street lamp, it includes a body and is fixed on the some of described body
Moulding branch；For example, described body is spherical, square, combined triangular shape, rule octahedron etc., and for example,
For ease of arranging and installing, described body arranges first our department and second our department, and both fix buckle；For example,
Described body arranges two hemisphericals, including hemispheric first our department and hemispheric second our department, both
Buckle is fixed, and combination forms a ball.And for example, described radiator also includes described radiator fan.
Further, described body interior has cavity, and for example, first our department is fixed with second our department's buckle, and
Wherein enclose and set a cavity portion, i.e. described cavity.And for example, cavity connection is outside is arranged, for example, and described body
The thermal vias of some connection cavitys is set；And for example, for avoiding rainwater to invade, each thermal vias is arranged at institute
State the bottom of body, the i.e. position towards ground direction, it is preferred that each thermal vias is truncated cone-shaped,
The upper bottom surface of its less area is towards described cavity, and the bottom surface of larger area is towards ground, so, works as rain
It when water instills or flows into thermal vias, owing to the hypotenuse of thermal vias is downward so that current direction ground, is difficult to
Enter described body interior such that it is able to reach preferable rainwater-proof effect.
Wherein, described moulding branch hollow is arranged, including a top portion and at least one terminal part, described top
Portion is positioned at the position that described moulding branch is fixed on described body, and for example, described beginning end is fixedly installed one
Blowing direction is towards the blowing fan of each described terminal part, as such, it is possible to reach preferable heat loss through convection effect.
Described terminal part is arranged away from described body, and each described terminal part arranges air outlet, for example, and described air-out
Mouth is down-set, and and for example, described air outlet external connection arranges portion of keeping off the rain, to avoid rainwater to invade；And/or,
Described moulding branch also sets up some through holes at its each described terminal part, and this can increase in actual applications
The big radiating effect of terminal part position, improves integral heat sink performance.Further, described cavity, the described beginning
End, the connection of each described terminal part are arranged；For example, described radiator is integrally similar to one tree, for example blue or green
Pine, as its heat radiation branch upward, and for example described radiator is similar to weeping willow, each moulding branch to each moulding branch
As its heat radiation branch down, so, made product meets the change of environment, is conducive to suiting measures to local conditions,
Produce and be applicable to cell, the street lamp on pavement or its radiator, there is preferable Practical significance.And for example,
Described moulding branch includes a top portion and a terminal part, and described top portion is positioned at described moulding branch and is fixed on
The position of described body, described terminal part is arranged away from described body, and described terminal part arranges air outlet, this
Sample, the hot-air in cavity can be distributed from described terminal part by described top portion.And for example, described moulding
Branch includes a top portion and multiple terminal parts, and described top portion is positioned at described moulding branch and is fixed on described
The position of body, each described terminal part is arranged away from described body, and each described terminal part arranges air outlet, this
Sample, the hot-air in cavity can be distributed from each described terminal part by described top portion, and radiating effect is preferable.
And for example, each described terminal part arranges air outlet, and each described air outlet is down-set, as such, it is possible to reach
Preferable rainproof effect, rainwater is difficult to pour in down a chimney entrance from terminal part.And for example, each described terminal part is set to
Spirality；For example, each spirality terminal part is set to helical radiator, and it includes a support frame；Institute
Stating support frame is hollow screw structure, forms a heat-dissipating cavity in described support frame；Described support frame
Sidewall on offer several through holes；It is provided with reflecting layer on the madial wall of described support frame；Described
Support frame frame is internally provided with several installation positions.Each described through hole is uniformly opened in the sidewall of described support frame
On.And for example, the sidewall of described support frame offers several to described through hole, and every pair of described through hole
Be positioned at the helical structure of described support frame a helix same diametrically.And for example, described carriage
On frame, the helical wound along self helical structure arranges radiating wire.And for example, the spiral knot of described support frame
The pitch coefficient of structure is more than the pitch coefficient of the helical structure of described radiating wire.And for example, described support frame bag
Include several radiating parts and several heat transfer parts being attached on described radiating part, and several described heat radiations
Portion and several described heat transfer parts are spaced setting successively.And for example, the thickness of described radiating part is more than described heat transfer
The thickness in portion.And for example, described reflecting layer is arranged on described heat transfer part.And for example, each described installation position sets
Put a LED, as such, it is possible to form the lighting that illuminating effect is more preferable, be more suitable for area illumination decoration.
And for example, the two ends of support frame are respectively provided with the first opening and the second opening, described first opening arrange into
Gas fan, described second opening arranges extraction fan, say, that described supply fan and described wind of bleeding
The rotation direction of the flabellum of fan is contrary, for quickly pumping into extraneous cooler air and then dilution circulation support frame
Interior hot-air, further functions as air thermal convection current radiating effect.As such, it is possible to further enhance carriage
The radiating effect of frame, with efficiently and rapidly scatter away LED produce heat, and then ensure LED normal
Work functions, to increase the service life of LED.And for example, the sidewall of support frame offers several
Through hole.It is appreciated that, on the one hand, heat-dissipating cavity as the effect of louvre, thus can be gathered by through hole
Heat can be efficiently and rapidly delivered in outside air by the heat transfer type of thermal convection current, as such, it is possible to
Further enhance the radiating effect of support frame, with efficiently and rapidly scatter away LED produce heat, and then
Ensureing the normal work functions of LED, to increase the service life of LED, on the other hand, through hole also may be used
Using the effect as loophole, thus the light that the LED being arranged in support frame produces is passed through through hole
Emit.
Further, described body arranges at least one installation position；Described installation position arranges an installing zone, some installations
If portion and dry copper post block；Each described installation portion, for fixing outside LED light device respectively, is used for pacifying
Dress light fixture；The first end of each described copper post block is in close contact described LED light device, and the second end is tight
Contiguity touches described body；Described installing zone is arranged at below described cavity, for fixing outside radiator fan.
For example, if the side away from described moulding branch is also fixed with dry copper post block on described body, and offer
Some louvres；And for example, it is provided with fan in described cavity, be used for exhausting, so dried by fan,
Contribute to strengthening convection effects.So, copper post is used to achieve the radiating effect of conduction pattern, can be by this
The heat in internal portion dissipates away rapidly.And for example, the second end of each described copper post block respectively one_to_one corresponding in
Moulding branch described in one, and it is in close contact the described top portion of described moulding branch, so, each copper post block
Corresponding moulding branch, one to one a heat loss through conduction, and the radiating effect conducting is better than convection current, it would be preferable to support
Large power road lamp illuminates.
Using radiator described in any of the above-described embodiment, an example of the present invention is, a kind of LED street lamp, its
It including described radiator, described LED light device and described radiator fan, in this manner it is achieved that is suitable for
Street lamp in cell, pavement.
As it is shown in figure 1, which is the sectional view of the radiator 10 of the LED street lamp of a preferred embodiment of the present invention.
Wherein, the radiator 10 of LED street lamp includes a body 11 and some making of being fixed on body 11
Type branch, illustrates as a example by being fixed with two moulding branches, said two in the present embodiment on body 11
Moulding branch specifically includes moulding branch 12 and moulding branch 13.
Body 11 is internal has cavity 111, and moulding branch 12 is hollow structure, and moulding branch 12 includes one
Top portion 121 and multiple terminal part, top portion 121 is positioned at the position that moulding branch 12 is fixed on body 11,
Terminal part is arranged away from body 11.The 123rd, the plurality of terminal part part includes terminal part the 122nd, terminal part
Terminal part the 124th, terminal part 125.Each terminal part arranges air outlet.For example, terminal part 122 arranges air-out
Mouth 012.
In the present embodiment, moulding branch is weeping willow shape, and the terminal part of moulding branch is similar to the withy of weeping willow,
Stretch out obliquely.
Moulding branch is not limited to weeping willow shape, and and for example, moulding branch is pine shape, the terminal part of moulding branch
It is similar to the pine branch of pine, stretch out obliquely.And for example, the terminal part of moulding branch is in the shape of a spiral, and in length
The terminal part of straight is compared, and both are in the case of taking equal length space, and spiral terminal part is wanted
Than the terminal part in long straight, there is bigger area of dissipation, better heat-radiation effect.
The 121st, each terminal part connection of cavity the 111st, top portion is arranged.It is to say, moulding branch 12 is internal
There is the pipeline in its top portion 121 of connection and multiple terminal parts.In the present embodiment, if offering on body 11
Dry air-vent, the top portion of each moulding branch is connected with cavity 111 by air-vent described in, so,
Cavity 111 is connected with air outlet by air-vent, described pipeline.Shown in Fig. 1, body 11 is offered
Air-vent 113, the top portion 121 of moulding branch 12 is connected with cavity 111 by air-vent 113.
If on body 11, the side away from moulding branch is fixed with dry copper post block, and offers some louvres,
On each described copper post block, the apical margin away from body 11 is used for fixing outside LED.To fix in the present embodiment
It away from the copper post block 14 of moulding branch side on body 11, and is opened on body 11 away from moulding branch
The louvre 114 of bar side, and it is fixed on the LED of the upper edge away from body 11 on copper post block 14
Illustrate as a example by 010.
It is provided with fan 15 in cavity 111, be used for exhausting, specifically in the present embodiment, the rotating shaft of fan 15
Being fixed on the inwall of body 11, when fan 15 starts work, the airflow direction causing is along copper post block 14
To moulding branch, say, that the air-flow that fan 15 causes enters in cavity 111 along louvre 114, continues
And it is internal to be entered moulding branch 12 by air-vent 113, finally discharge from air outlet 012.
In the actual application of the radiator 10 of LED street lamp, fan 15 starts, and its flabellum rotates, at fan
Close copper post block 14 side of leaf forms negative pressure, orders about the air outside body 11 and enters along louvre 114
In cavity 111 so that air forms air-flow, and meanwhile, the partial heat that LED 010 sends is with air-flow
Enter in cavity 111 via louvre 114, enter moulding branch 12 via air-vent 113 further internal,
Finally by terminal part the 122nd, terminal part the 123rd, the terminal part 124 of moulding branch 12 and terminal part 125
The multiple air outlet offered is discharged.In the process, the shape by heat transfer for the partial heat carrying in air-flow
Formula distributes from body 11 and moulding branch 12.
In the present embodiment, the terminal part of moulding branch is angularly disposed towards body 11 so that terminal part is offered
Air outlet is towards body 11, say, that air outlet is down-set.Rainwater is avoided to enter moulding along air outlet
Branch is internal and flows in cavity 111, causes fan 15 internal short circuits to damage fan 15.
In order to preferably the heat entering in moulding branch 12 internal pipeline promptly be discharged, moulding branch
12 also set up some through holes at its each terminal part, for by another for the heat in moulding branch 12 internal pipeline
Discharged rapidly by described some through holes outward.
In one embodiment, air outlet external connection arranges portion of keeping off the rain, and for example, the portion of keeping off the rain is a baffle plate,
The edge of described baffle plate top edge with air outlet by way of hinged is connected, and so, the technology playing is imitated
Fruit is, under original state, described baffle plate covers air outlet；When fan 15 works, air-flow is had to arrange from air outlet
Going out, air-flow forces in described baffle plate from the inside of moulding branch, is backed down so that moulding branch inner tube
Road is by air outlet and outside circulation.Especially the heat sink applications of LED street lamp out of doors when, long due to it
Phase is in the state of wind and weather, can be effectively prevented from rainwater and pour into cavity 111 inside from air outlet, make
Become fan 15 to damage, be greatly shortened the service life of fan 15.And for example, the portion of keeping off the rain is an arc cap, institute
The edge stating arc cap is fixed on the upper edge of air outlet, can mitigate rainwater equally and pour into sky from air outlet
Chamber 111 is internal.
In one embodiment, beginning end is fixedly installed the blowing fan towards each terminal part for the blowing direction,
The flowing of air-flow can be accelerated, increase radiating efficiency.
It should be noted that other embodiments of the present invention also include, the technical characteristic in the various embodiments described above
Be combined with each other LED street lamp that formed, that can implement and radiator thereof.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, can also make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (8)
1. the radiator of a LED street lamp, it is characterised in that include a body and be fixed on described
Some moulding branches of body；
Described body interior has cavity, and described moulding branch hollow is arranged, including a top portion and at least
Terminal part, described top portion is positioned at the position that described moulding branch is fixed on described body, and described terminal part is remote
From described body arrange, each described terminal part arranges air outlet, and, described cavity, described top portion,
The connection of each described terminal part is arranged；
Described body arranges at least one installation position；
If described installation position arranges an installing zone, some installation portions and dry copper post block；
Each described installation portion is for fixing outside LED light device respectively；
The first end of each described copper post block is used for being in close contact described LED light device, and the second end is tight
Contiguity touches described body, the second end of each described copper post block one_to_one corresponding respectively in moulding branch described in, and
It is in close contact the described top portion of described moulding branch；
Described installing zone is arranged at below described cavity, for fixing outside radiator fan；
Described air outlet external connection arranges portion of keeping off the rain.
2. the radiator of LED street lamp according to claim 1, it is characterised in that described air outlet to
Lower setting.
3. the radiator of LED street lamp according to claim 2, it is characterised in that described moulding branch
Some through holes are also set up at its each described terminal part neighbouring.
4. the radiator of LED street lamp according to claim 1, it is characterised in that described body and institute
State moulding branch to be wholely set.
5. the radiator of LED street lamp according to claim 1, it is characterised in that described beginning end
It is fixedly installed the blowing fan towards each described terminal part for the blowing direction.
6. the radiator of LED street lamp according to claim 1, it is characterised in that also include described dissipating
Hot-air fan.
7. the radiator of LED street lamp according to claim 1, it is characterised in that described body is aluminium
Alloy product.
8. a LED street lamp, it is characterised in that include the arbitrary described radiator of claim 1 to 7,
Described LED light device and described radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410364107.4A CN104075298B (en) | 2014-07-28 | 2014-07-28 | LED street lamp and radiator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410364107.4A CN104075298B (en) | 2014-07-28 | 2014-07-28 | LED street lamp and radiator thereof |
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| Publication Number | Publication Date |
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| CN104075298A CN104075298A (en) | 2014-10-01 |
| CN104075298B true CN104075298B (en) | 2016-10-05 |
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| CN201410364107.4A Active CN104075298B (en) | 2014-07-28 | 2014-07-28 | LED street lamp and radiator thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566259B (en) * | 2014-12-19 | 2018-01-30 | 东莞市闻誉实业有限公司 | LED bar graph lamp |
| CN104566019A (en) * | 2014-12-19 | 2015-04-29 | 成都蒲江珂贤科技有限公司 | LED (Light-emitting Diode) street lamp |
| CN105066016B (en) * | 2015-07-16 | 2017-12-19 | 东莞市闻誉实业有限公司 | Ceiling lamp |
| CN105066075B (en) * | 2015-07-16 | 2018-09-18 | 东莞市闻誉实业有限公司 | Radiator |
| CN106895367B (en) * | 2017-04-25 | 2019-08-06 | 东莞市闻誉实业有限公司 | Adjustable heat dissipation load lamps and lanterns |
| CN106931324B (en) * | 2017-04-25 | 2019-11-05 | 东莞市闻誉实业有限公司 | Plug-in type heat dissipation lighting device |
| CN107202307B (en) * | 2017-05-27 | 2019-12-03 | 东莞市闻誉实业有限公司 | Combined lamp |
| CN116608453B (en) * | 2023-07-06 | 2023-10-13 | 江苏赛鸥电气集团有限公司 | Intelligent LED energy-saving street lamp with convection heat dissipation function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737758A (en) * | 2008-11-13 | 2010-06-16 | 吴建昌 | Sealed internal-circulation-forced LED (light-emitting diode) lamp |
| CN102548349A (en) * | 2010-12-30 | 2012-07-04 | 东莞市光宇实业有限公司 | Efficient radiating device |
| CN103090342A (en) * | 2011-10-31 | 2013-05-08 | 潘忠勋 | Channelized LED (light-emitting diode) lamp |
| CN103629556A (en) * | 2012-08-23 | 2014-03-12 | 邱维廉 | Led lamp structure |
| CN204005881U (en) * | 2014-07-28 | 2014-12-10 | 东莞市闻誉实业有限公司 | LED outdoor lights and heat abstractor thereof |
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| CN104075298A (en) | 2014-10-01 |
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