CN104501304B - Air conditioner with wind deflector - Google Patents
Air conditioner with wind deflector Download PDFInfo
- Publication number
- CN104501304B CN104501304B CN201410748512.6A CN201410748512A CN104501304B CN 104501304 B CN104501304 B CN 104501304B CN 201410748512 A CN201410748512 A CN 201410748512A CN 104501304 B CN104501304 B CN 104501304B
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- China
- Prior art keywords
- wind deflector
- surface frame
- guiding wall
- air conditioner
- air
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of air conditioner with wind deflector, including surface frame and wind deflector.Surface frame is formed with air outlet.Wind deflector is rotatably arranged in air outlet, and the turning end of wind deflector is docked with surface frame.In this way, because the turning end of wind deflector is docked with surface frame, will not be leaked out between wind deflector and surface frame, wind-guiding efficiency is improved.
Description
Technical field
The present invention relates to air conditioner, more particularly to a kind of air conditioner with wind deflector.
Background technology
The air outlet of air conditioner is typically provided with wind deflector, and wind deflector rotatably sets to guide cold wind (or hot blast) to not
Same space.To reduce the load of rotary electric machine, the rotating shaft of wind deflector is typically arranged close to middle part and sets to shorten the torsion of motor
Square.However, in this way, be reserved rotation space, reserved larger gap is needed between the turning end of wind deflector and the surface frame of air conditioner,
Cause cold wind (or hot blast) to be escaped from gap, reduce wind-guiding efficiency.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention needs offer one
Plant the air conditioner with wind deflector.
According to a kind of air conditioner with wind deflector of the present invention, including surface frame and wind deflector.The surface frame, which is formed with, to be sent
Air port.The wind deflector is rotatably arranged in the air outlet, and the turning end of the wind deflector is docked with the surface frame.
The air conditioner with wind deflector of better embodiment of the present invention, due to turning end and the face of the wind deflector
Frame is docked, and will not be leaked out between the wind deflector and the surface frame, improves wind-guiding efficiency.
In some embodiments, the turning end of the wind deflector is at least partly kept in rotation process with the surface frame
Contact.
In some embodiments, the surface frame includes antetheca and bottom plate, and the air outlet is opened in the antetheca and institute
State between bottom plate, to dock the antetheca and the bottom plate and close the air outlet when wind deflector is in closure state
Arc.
In some embodiments, the surface frame includes the upper air guiding wall and lower air guiding wall being connected with the air outlet, institute
State air guiding wall to be connected with the antetheca, the lower air guiding wall is connected with the bottom plate, the wind deflector rotation is arranged at described
Lower air guiding wall and the back plate connections.
In some embodiments, the turning end of the wind deflector is formed with rotary shaft and the circle with the rotary shaft coaxially
Arc end face, the lower air guiding wall and the back plate connections offer the arc chute coordinated with the circular arc end face, it is described under
Air guiding wall is outward extended with linking arm, and the linking arm end is formed with the circular arc stopper slot towards the arc chute, described
Circular arc end face is rotated and born against in the arc chute, and the rotary shaft, which is rotated, to be born against in the circular arc stopper slot with by described in
Circular arc end face is limited in the arc chute.
In some embodiments, the air conditioner includes actuator, for driving the wind deflector to rotate.
In some embodiments, the actuator includes the rotation motor and crank being arranged in the surface frame, described
The shaft parallel of rotation motor is formed with guiding in the rotary shaft of the wind deflector, the wind deflector towards the air outlet side
Groove, described crank one end is slidably arranged in the guide groove other end and is connected with the rotating shaft.
In some embodiments, the actuator is the rotation motor and gear being arranged in the surface frame, described turn
The shaft parallel of dynamic motor is in the rotary shaft of the wind deflector, and the wind deflector is formed with rack towards the air outlet side,
The gear is arranged on the rotating shaft and engaged with the rack.
In some embodiments, the upper air guiding wall is streamline arcuate structure.
In some embodiments, the lower air guiding wall is streamline arcuate structure.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic perspective view of the air conditioner with wind deflector according to better embodiment of the present invention.
Fig. 2 is the sectional view according to the wind deflector of the air conditioner of better embodiment of the present invention in opened condition.
The sectional view that it is in closed mode according to the wind deflector of the air conditioner of better embodiment of the present invention that Fig. 3, which is,.
Fig. 4 is the partial enlarged drawing of IV part of the air conditioner that Fig. 2 has wind deflector.
Fig. 5 is the partial enlarged drawing of V part of the air conditioner that Fig. 3 has wind deflector.
Fig. 6 is the sectional view of the air conditioner with wind deflector according to the embodiment of the present invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ".
In description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are directly over second feature and oblique upper, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
And purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between discussed various embodiments itself are not indicated and/or are set
Relation.In addition, the invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1 and Fig. 2, the air conditioner 10 with wind deflector of better embodiment of the present invention, including surface frame 12 and
Wind deflector 14.Surface frame 12 is formed with air outlet 120.Wind deflector 14 is rotatably arranged in air outlet 120, the turning end of wind deflector 14
140 dock with surface frame 12.
In the air conditioner 10 of better embodiment of the present invention, because the turning end 140 of wind deflector 14 is docked with surface frame 12, lead
It will not be leaked out between aerofoil 14 and surface frame 12, improve wind-guiding efficiency.
Specifically, " docking " in the present invention can instruct the turning end 140 of aerofoil 14 to be in wind deflector 14 and play open and close
The state such as close and rotate and all contact with each other or only exist less gap with least part of surface frame 12, in other words wind deflector 14
Turning end 140 wind deflector 14 be in open, close or rotate etc. state all there's almost no between surface frame 12 gap or
Gap is reduced to as low as possible so that the turning end 140 of wind deflector 14 will not leak out or only few with the junction of surface frame 12
Partial air-flow is spilt.
In the present embodiment, the turning end 140 of wind deflector 14 keeps at least partly connecing in rotation process with surface frame 12
Touch.I.e. in the rotation process of wind deflector 14, the turning end 140 of wind deflector 14 and the junction of surface frame 12 leave no gaps all the time or
Person says very small.
In this way, the junction of the turning end 140 of wind deflector 14 and surface frame 12 will not leak out, wind-guiding efficiency is improved.
Referring to Fig. 3, in the present embodiment, the substantially rectangular frame structure of surface frame 12, and including antetheca 122 and arc
Bottom plate 124, antetheca 122 is substantially rectangular, and air outlet 120 is opened between antetheca 122 and bottom plate 124, and air outlet 120 is in substantially
Rectangle, for docking antetheca 122 and bottom plate 124 and the arc of air outlet 120 is closed when wind deflector 14 is in closure state.
In this way, wind deflector 14 in off position with antetheca 122 and the continuous transition of bottom plate 124, constructional appearance is attractive in appearance, moreover,
Air conditioner 10 when not in use wind deflector 14 can close air outlet 120 with dust protection enter air conditioner 10 inside.
Certainly, above shape only provides the attachment structure for helping to illustrate wind deflector 14 and surface frame 12 as an example, and without
In the limitation present invention.
In the present embodiment, surface frame 12 includes the upper air guiding wall 1260 and lower air guiding wall 1262 being connected with air outlet 120,
Upper air guiding wall 1260 is connected with antetheca 122, and lower air guiding wall 1262 is connected with bottom plate 124, and wind deflector 14 rotates and is arranged at lower wind-guiding
Wall 1262 and the junction of bottom plate 124.
In this way, being oriented to by the wind of upper air guiding wall 1260, the 14 pairs of flowings of lower air guiding wall 1262 and wind deflector, realize pre-
Fixed air-supply effect.
In the present embodiment, the upper air guiding wall 1260 being connected with the antetheca 122 of surface frame 12 is in streamline arcuate structure.
In this way, because upper air guiding wall 1260 uses streamline arcuate structure, air conditioner 10 can improve air-supply efficiency.
In the present embodiment, the lower air guiding wall 1262 being connected with the bottom plate 124 of surface frame 12 is in streamline arcuate structure.
In this way, because lower air guiding wall 1262 uses streamline arcuate structure, air conditioner 10 can improve air-supply efficiency.
Refer to Fig. 4 and Fig. 5, in the present embodiment, the turning end 140 of wind deflector 14 be formed with rotary shaft 142 and with
The coaxial circular arc end face 144 of rotary shaft 142, lower air guiding wall 1262 is offered with the junction of bottom plate 124 to be coordinated with circular arc end face 144
Arc chute 12620, lower air guiding wall 1262 is outward extended with linking arm 12622, and the end of linking arm 12622 is formed with towards circle
The circular arc stopper slot 12624 of arc chute 12620, circular arc end face 144 is rotated and is undertaken in arc chute 12620,142 turns of rotary shaft
It is dynamic to bear against in circular arc stopper slot 12624 circular arc end face 144 being limited in arc chute 12620.That is the connection of surface frame 12
Arm 12622 is connected with the rotary shaft 142 of wind deflector 14, and the circular arc end face 144 at the turning end 140 of wind deflector 14 is in the shape of surface frame 12
Into arc chute 12620 in rotate.
Specifically, offer rotary shaft 142 be formed with rectangular channel, rectangular channel in the turning end 140 of arc wind waveguide plate 14,
Rotary shaft 142 is concordant parallel to long edge while arc wind waveguide plate 14 is long of arc wind waveguide plate 14.Surface frame 12 and wind-guiding
The junction of plate 14 is formed with linking arm 12622, and the basic rectangular-blocklike of linking arm 12622, the end of linking arm 12622 is upward
Bending is in hook-shaped and catches on rotary shaft 142, and the size of linking arm 12622 is matched with the size of rectangular channel, and linking arm 12622 is lucky
Stretch into rectangular channel and catch on rotary shaft 142, wind deflector 14 can be rotated around rotary shaft 142.The number of linking arm 12622 is at least two
It is individual, arranged along the junction of lower air guiding wall 1262 and wind deflector 14, rectangular channel and the number and linking arm 12622 of rotary shaft 142
Number match.Preferably, the number of linking arm 12622 is three and the uniform company along lower air guiding wall 1262 and wind deflector 14
Place's arrangement is connect, rectangular channel corresponding with the number of rotary shaft 142 is three.
In this way, will not be leaked out between wind deflector 14 and surface frame 12, wind-guiding efficiency is improved.Moreover, by circular arc end face 144 with
The cooperation of arc chute 12620, frictional resistance when wind deflector 14 is rotated is small, and the noise of generation is small, and uses this structure
The rotation process of wind deflector 14 is difficult for drop-off, and sound construction is easy for installation, good appearance.In the present embodiment, air conditioner 10 is wrapped
Actuator 16 is included, for driving wind deflector 14 to rotate.
In this way, the wind deflector 14 of air conditioner 10 is rotated to change air-out direction in the driving of actuator 16 around rotary shaft 142.
In the present embodiment, actuator 16 includes the rotation motor 160 and crank 162 being arranged in surface frame 12, rotates
The rotating shaft 1600 of motor 160 is parallel to the rotary shaft 142 of wind deflector 14, and wind deflector 14 is formed with towards the side of air outlet 120 and leads
To groove 146, the one end of crank 162 is slidably arranged in the other end of guide groove 146 and is connected with rotating shaft 1600.Guide groove 146 includes first
End 1460 and second end 1462 relative with first end.When the one end of crank 162 slides into first end 1460, wind deflector 14, which is rotated, to be opened
The angle opened is maximum.When the one end of crank 162 slides into the second end 1462, wind deflector 14 is in closure state, and wind deflector 14 is docked
Antetheca 122 and bottom plate 124 simultaneously close air outlet 120.
Specifically, crank 162 includes L-shaped toggle-action lever, and the two ends of toggle-action lever are formed with turning parallel to wind deflector 14
The first axle of moving axis 142 and second axle parallel with first axle, first axle are connected with the rotating shaft 1600 of rotation motor 160, and second
Axle is slidably arranged in guide groove 146.When second axle reaches first end 1460, the angle that wind deflector 14 opens is maximum, the second axle
When reaching the second end 1462, wind deflector 14 is in closure state.Second axle of crank 162 under the driving of rotation motor 160 from
Second end 1462 slides into first end 1460, and the rotational angle of wind deflector 14 is 60 ° or so.Wherein, shape, numerical value are only as example
How mating reaction acts wind deflector 14 for son explanation rotation motor 160, crank 162 and guide groove 146, is not limited to this
Invention.In this way, driving wind deflector 14 to rotate to change air-out under the cooperation of rotation motor 160, crank 162 and guide groove 146
Direction, without reserving rotation space, the turning end 140 of wind deflector 14 does not interspace with the junction of surface frame 12, improves wind-guiding rate.
Certainly, above rotation motor 160, crank 162 and guide groove 146 only provide help and illustrate actuator 16 as an example
Wind deflector 14 how is driven, is not intended to limit the invention.
Referring to Fig. 6, in the present embodiment, actuator 16 is rotation motor 160 and the gear being arranged in surface frame 12
164, the rotating shaft 1600 of rotation motor 160 is parallel to the rotary shaft 142 of wind deflector 14, and wind deflector 14 is towards the side of air outlet 120
Rack 148 is formed with, gear 164 is arranged on rotating shaft 1600 and engaged with rack 148.
In this way, driving wind deflector 14 to rotate to change air-out under the cooperation of rotation motor 160, gear 164 and rack 148
Direction, without reserving rotation space, the turning end 140 of wind deflector 14 does not interspace with the junction of surface frame 12, improves wind-guiding rate.
Certainly, above rotation motor 160, gear 164 and rack 148 only provide help and illustrate actuator 16 such as an example
What driving wind deflector 14, is not intended to limit the invention.
Specifically, wind deflector 14 include outer layer wind deflector 14a and with internal layer wind deflector 14b.Internal layer wind deflector 14b is towards sending
The side of air port 120 is formed with guide groove 146, and internal layer wind deflector 14b turning end is formed with rotary shaft 142, lower air guiding wall 1262
Linking arm 12622 be connected with rotary shaft 142, the rotary shaft of the rotating shaft 1600 of rotation motor 160 parallel to internal layer wind deflector 14b
142, the one end of crank 162 is slidably arranged in the other end of guide groove 146 and is connected with rotating shaft 1600, and internal layer wind deflector 14b dorsad blows
120 sides of mouth are formed with deck 14c protruding upward.Outer layer wind deflector 14a towards internal layer wind deflector 14b side form oriented
The snap fit 14d protruded above, deck 14c and snap fit 14d clampings.Deck 14c and snap fit 14d number at least two.Outer layer is led
Aerofoil 14a and internal layer wind deflector 14b form fits, outer layer wind deflector 14a and the substantially curved plates of internal layer wind deflector 14b, outer layer
Wind deflector 14a is slightly longer than internal layer wind deflector 14b length.Rotation motor 160 drive internal layer wind deflector 14b and with internal layer wind deflector
The outer layer wind deflector 14a of 14b clampings is rotated around rotary shaft 142.
In this way, outer layer wind deflector 14a extends air channel, and the ectonexine of wind deflector 14 is set, and good appearance, wind deflector 14 is closed
Make closure more preferably, dust-proof effect is more preferably.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Specific features, structure, material or feature are contained at least one embodiment of the present invention or example.In this specification
In, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific spy of description
Levy, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case of not departing from the principle and objective of the present invention, replace and become
Type, the scope of the present invention is limited by claim and its equivalent.
Claims (6)
1. a kind of air conditioner with wind deflector, it is characterised in that including：
Surface frame, the surface frame is formed with air outlet；And
The wind deflector in the air outlet is rotatably arranged on, the turning end of the wind deflector is docked with the surface frame so that described lead
It will not be leaked out between aerofoil and the surface frame, the turning end of the wind deflector is at least partly protected in rotation process with the surface frame
Contact is held, the surface frame includes antetheca and bottom plate, and the air outlet is opened between the antetheca and the bottom plate, the wind-guiding
It is the docking antetheca and the bottom plate and the arc for closing the air outlet when plate is in closure state, the surface frame includes
The upper air guiding wall and lower air guiding wall being connected with the air outlet, the upper air guiding wall are connected with the antetheca, the lower air guiding wall
It is connected with the bottom plate, the wind deflector rotates and is arranged at the lower air guiding wall and the back plate connections, the wind deflector
Turning end is formed with rotary shaft and the circular arc end face coaxial with the rotary shaft, and the lower air guiding wall is opened with the back plate connections
Provided with the arc chute coordinated with the circular arc end face, the lower air guiding wall is outward extended with linking arm, the linking arm end
The circular arc stopper slot towards the arc chute is formed with, the circular arc end face is rotated and born against in the arc chute, described
Rotary shaft, which is rotated, to be born against in the circular arc stopper slot circular arc end face being limited in the arc chute.
2. air conditioner as claimed in claim 1, it is characterised in that the air conditioner includes actuator, for driving described lead
Aerofoil is rotated.
3. air conditioner as claimed in claim 2, it is characterised in that the actuator includes the rotation being arranged in the surface frame
Motor and crank, the shaft parallel of the rotation motor is in the rotary shaft of the wind deflector, and the wind deflector is towards the air-supply
Mouth side is formed with guide groove, and described crank one end is slidably arranged in the guide groove other end and is connected with the rotating shaft.
4. air conditioner as claimed in claim 2, it is characterised in that the actuator is the rotation horse being arranged in the surface frame
Reach and gear, the shaft parallel of the rotation motor is in the rotary shaft of the wind deflector, and the wind deflector is towards the air outlet
Side is formed with rack, and the gear is arranged on the rotating shaft and engaged with the rack.
5. air conditioner as claimed in claim 1, it is characterised in that the upper air guiding wall is streamline arcuate structure.
6. air conditioner as claimed in claim 1, it is characterised in that the lower air guiding wall is streamline arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748512.6A CN104501304B (en) | 2014-12-08 | 2014-12-08 | Air conditioner with wind deflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748512.6A CN104501304B (en) | 2014-12-08 | 2014-12-08 | Air conditioner with wind deflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104501304A CN104501304A (en) | 2015-04-08 |
| CN104501304B true CN104501304B (en) | 2017-10-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410748512.6A Active CN104501304B (en) | 2014-12-08 | 2014-12-08 | Air conditioner with wind deflector |
Country Status (1)
| Country | Link |
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| CN (1) | CN104501304B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288284B (en) * | 2016-10-08 | 2022-05-06 | 珠海格力电器股份有限公司 | Air guide device and air conditioner |
| CN106338104A (en) * | 2016-11-02 | 2017-01-18 | 江苏二十六度节能科技有限公司 | Windless air conditioner indoor unit |
| CN106678974B (en) * | 2017-01-18 | 2019-08-16 | 美的集团武汉制冷设备有限公司 | Air conditioner and its control method |
| CN112856792A (en) * | 2021-02-01 | 2021-05-28 | 珠海格力电器股份有限公司 | Air outlet assembly and air conditioner |
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| JP2002228249A (en) * | 2001-02-01 | 2002-08-14 | Matsushita Electric Ind Co Ltd | Wind direction or the like regulating mechanism for air conditioner |
| KR101499986B1 (en) * | 2008-12-26 | 2015-03-06 | 엘지전자 주식회사 | air conditioner |
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| CN101377332A (en) * | 2007-08-28 | 2009-03-04 | 三菱电机株式会社 | Air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104501304A (en) | 2015-04-08 |
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