Air conditioner
阅读说明:本技术 空调器 (Air conditioner ) 是由 易正清 翟富兴 马列 于 2019-11-27 设计创作,主要内容包括:本发明公开一种空调器,包括壳体和风机组件,所述壳体具有进风口、出风口及换热风道;所述风机组件包括风轮、第一电机、第二电机和传动件,所述第二电机和第一电机呈间隔设置,所述第一电机可转动地设于所述换热风道内,第一电机具有第一驱动轴,所述风轮设在第一驱动轴上;所述第二电机固定在换热风道内,所述第二电机具有第二驱动轴,所述第二驱动轴通过传动件与第一电机连接,所述第二驱动轴的轴线与第一驱动轴的轴线呈夹角设置,所述第二电机用于通过传动件驱动第一电机转动,以使所述第一驱动轴绕第二驱动轴转动。如此,使风轮送风形成螺旋式,从而可扩大风轮和空调器的送风范围,提升送风速度和送风距离。(The invention discloses an air conditioner, which comprises a shell and a fan assembly, wherein the shell is provided with an air inlet, an air outlet and a heat exchange air duct; the fan assembly comprises a wind wheel, a first motor, a second motor and a transmission piece, the second motor and the first motor are arranged at intervals, the first motor is rotatably arranged in the heat exchange air duct, the first motor is provided with a first driving shaft, and the wind wheel is arranged on the first driving shaft; the second motor is fixed in the heat transfer wind channel, the second motor has the second drive shaft, the second drive shaft passes through the driving medium and is connected with first motor, the axis of second drive shaft is the contained angle setting with the axis of first drive shaft, the second motor is used for rotating through the first motor of driving medium drive, so that first drive shaft rotates around the second drive shaft. Therefore, the wind wheel supplies air to form a spiral type, so that the air supply range of the wind wheel and the air conditioner can be enlarged, and the air supply speed and the air supply distance are increased.)
1. An air conditioner, comprising:
the shell is provided with an air inlet, an air outlet and a heat exchange air duct communicated with the air inlet and the air outlet; and
the fan assembly comprises a wind wheel, a first motor, a second motor and an eccentric transmission part, the wind wheel, the first motor, the second motor and the eccentric transmission part are arranged in the heat exchange air channel, the second motor and the first motor are arranged at intervals in the air outlet direction of the heat exchange air channel, a first driving shaft is arranged at one end, far away from the second motor, of the first motor, and the wind wheel is arranged on the first driving shaft; the second motor has the second drive shaft, the second drive shaft with being close to of first motor the one end of second motor all with eccentric transmission spare is connected, just the axis of second drive shaft with the axis of first drive shaft is the contained angle setting.
2. The air conditioner according to claim 1, wherein said eccentric transmission member is an eccentric wheel, said eccentric wheel is connected with one end of said first motor close to said second motor in a movable fit manner; the eccentric wheel is provided with an eccentric hole, a preset distance is arranged between the central line of the eccentric hole and the central line of the eccentric wheel, and the second driving shaft is installed in the eccentric hole to drive the eccentric wheel to rotate.
3. The air conditioner of claim 2, wherein the fan assembly further comprises a fan housing disposed within the heat exchange air duct, the first motor being mounted within the fan housing;
a driving hole is formed in the side face, facing the second motor, of the fan shell, and the eccentric wheel is movably arranged in the driving hole; alternatively, the first and second electrodes may be,
the fan shell is provided with a driving convex part facing the side surface of the second motor in a protruding mode, the eccentric wheel is further provided with a transmission hole arranged at an interval with the eccentric hole, and the driving convex part is movably arranged in the transmission hole.
4. The air conditioner as claimed in claim 3, wherein a plurality of anti-seizing portions are protrudingly provided on an inner peripheral wall of the driving hole, and the plurality of anti-seizing portions are spaced apart in a circumferential direction of a center line of the driving hole.
5. The air conditioner of claim 1, wherein the eccentric transmission is a crank, or a link assembly.
6. The air conditioner according to any one of claims 1 to 5, wherein an angle between an axis of the second drive shaft and an axis of the first drive shaft is less than or equal to 30 degrees.
7. The air conditioner according to any one of claims 1 to 5, wherein the fan assembly further includes a mounting seat and a spherical joint bearing disposed in the heat exchange air duct, the second motor and the first motor are mounted on the mounting seat, the spherical joint bearing includes an outer ring and an inner ring rotatably disposed on the outer ring, the outer ring is fixed to the mounting seat, and the first driving shaft is sleeved in the inner ring so that the first motor is rotatably mounted on the mounting seat.
8. The air conditioner of claim 7, wherein the fan assembly further comprises a shaft sleeve, one end of the shaft sleeve is fixedly connected to a fan housing of the fan assembly, the shaft sleeve is sleeved between the inner ring and the first drive shaft, and an inner wall surface of the shaft sleeve is spaced from an outer circumferential surface of the first drive shaft; and/or the presence of a gas in the gas,
the fan assembly further comprises a buffer piece, a gland and a limiting piece, wherein the buffer piece is provided with an installation through hole, and the outer ring is installed in the installation through hole; be equipped with spacing via hole on the locating part, one side of gland is equipped with the holding chamber, the bottom in holding chamber is equipped with connects the via hole, the gland is installed on the mount pad, the bolster install in the holding chamber, the locating part is located the bolster with between the mount pad, first drive shaft passes in proper order spacing via hole with connect the via hole.
9. The air conditioner as claimed in any one of claims 1 to 5, further comprising an air outlet screen disposed at the air outlet, wherein the air outlet screen has an air outlet through hole, a first annular air outlet region and a second annular air outlet region disposed outside the first annular air outlet region are defined in the air outlet through hole, the first annular air outlet region is provided with a plurality of first air guiding strips spaced along a circumferential direction of the first annular air outlet region, and the second annular air outlet region is provided with a plurality of second air guiding strips spaced along a circumferential direction of the second annular air outlet region.
10. The air conditioner according to claim 9, wherein said first air guiding strip is a curved strip;
the second air guide strip is in a linear strip shape; or the second air guide strip is in a curved strip shape, and the bending direction of the second air guide strip is different from that of the first air guide strip.
11. The air conditioner according to claim 10, wherein the wind wheel is an axial flow wind wheel, the wind wheel is disposed corresponding to the air outlet through hole, and a bending direction of the first wind guide strip is opposite to a rotating direction of the wind wheel.
12. The air conditioner as claimed in claim 10, wherein the ratio of the radial width of said first annular air outlet zone to the sum of the radial width of said first annular air outlet zone and the radial width of said second annular air outlet zone is greater than or equal to 0.15 and less than or equal to 0.75.
13. The air conditioner as claimed in claim 10, wherein a supporting baffle is disposed inside the first annular air-out area, and inner ends of the first air guiding strips are connected to the supporting baffle; the wind wheel is arranged in the air outlet mesh enclosure;
the first wind guide strip extends towards the direction far away from the wind wheel, and/or the second wind guide strip extends towards the direction far away from the wind wheel, so that the supporting baffle protrudes towards the direction far away from the wind wheel; alternatively, the first and second electrodes may be,
the first wind guide strips extend towards the direction close to the wind wheel, and/or the second wind guide strips extend towards the direction close to the wind wheel, so that the supporting baffle is sunken towards the direction close to the wind wheel.
14. The air conditioner as claimed in claim 13, wherein a first distance is provided between the outer side surface of the supporting baffle and a plane where the outer end of the second wind guide strip is located, and a ratio of the first distance to the outer ring diameter of the first annular wind outlet area is greater than or equal to 0 and less than or equal to 2.5.
15. The air conditioner according to claim 9, wherein the number of the first wind guide strips is not equal to the number of the second wind guide strips.
16. The air conditioner according to claim 15, wherein the number of the first wind guide strips and the number of the second wind guide strips are both odd; and/or the presence of a gas in the gas,
the number of the first wind guide strips and the number of the second wind guide strips cannot be evenly divided by the number of the blades of the wind wheel.
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner.
Background
The prior air conditioner mostly adopts a cross flow wind wheel or a centrifugal wind wheel as an air driving part, so that the air after heat exchange can smoothly reach the indoor space. However, the above air conditioner has a problem that the air blowing distance is insufficient.
Disclosure of Invention
The invention mainly aims to provide an air conditioner, aiming at solving the technical problem that the air supply distance of the existing air conditioner is insufficient.
To achieve the above object, the present invention provides an air conditioner, comprising:
the shell is provided with an air inlet, an air outlet and a heat exchange air duct communicated with the air inlet and the air outlet; and
the fan assembly comprises a wind wheel, a first motor, a second motor and an eccentric transmission part, the wind wheel, the first motor, the second motor and the eccentric transmission part are arranged in the heat exchange air channel, the second motor and the first motor are arranged at intervals in the air outlet direction of the heat exchange air channel, a first driving shaft is arranged at one end, far away from the second motor, of the first motor, and the wind wheel is arranged on the first driving shaft; the second motor has the second drive shaft, the second drive shaft with being close to of first motor the one end of second motor all with eccentric transmission spare is connected, just the axis of second drive shaft with the axis of first drive shaft is the contained angle setting.
Optionally, the eccentric transmission part is an eccentric wheel, and the eccentric wheel is movably connected with one end of the first motor, which is close to the second motor, in a matching manner; the eccentric wheel is provided with an eccentric hole, a preset distance is arranged between the central line of the eccentric hole and the central line of the eccentric wheel, and the second driving shaft is installed in the eccentric hole to drive the eccentric wheel to rotate.
Optionally, the fan assembly further includes a fan housing disposed in the heat exchange air duct, and the first motor is mounted in the fan housing;
a driving hole is formed in the side face, facing the second motor, of the fan shell, and the eccentric wheel is movably arranged in the driving hole; alternatively, the first and second electrodes may be,
the fan shell is provided with a driving convex part facing the side surface of the second motor in a protruding mode, the eccentric wheel is further provided with a transmission hole arranged at an interval with the eccentric hole, and the driving convex part is movably arranged in the transmission hole.
Optionally, a plurality of anti-jamming protrusions are convexly arranged on the inner peripheral wall of the driving hole, and are distributed at intervals along the circumferential direction of the center line of the driving hole.
Optionally, the eccentric drive is a crank, or a connecting rod assembly.
Optionally, an angle between an axis of the second drive shaft and an axis of the first drive shaft is less than or equal to 30 degrees.
Optionally, the fan assembly further comprises a mounting seat and a spherical joint bearing, the mounting seat and the spherical joint bearing are arranged in the heat exchange air duct, the second motor and the first motor are arranged on the mounting seat, the spherical joint bearing comprises an outer ring and an inner ring, the outer ring is rotatably arranged on the outer ring, the outer ring is fixed on the mounting seat, and the first driving shaft is sleeved in the inner ring, so that the first motor is rotatably arranged on the mounting seat.
Optionally, the fan assembly further includes a shaft sleeve, one end of the shaft sleeve is fixedly connected to a fan shell of the fan assembly, the shaft sleeve is sleeved between the inner ring and the first drive shaft, and an inner wall surface of the shaft sleeve and an outer circumferential surface of the first drive shaft are arranged at an interval; and/or the presence of a gas in the gas,
the fan assembly further comprises a buffer piece, a gland and a limiting piece, wherein the buffer piece is provided with an installation through hole, and the outer ring is installed in the installation through hole; be equipped with spacing via hole on the locating part, one side of gland is equipped with the holding chamber, the bottom in holding chamber is equipped with connects the via hole, the gland is installed on the mount pad, the bolster install in the holding chamber, the locating part is located the bolster with between the mount pad, first drive shaft passes in proper order spacing via hole with connect the via hole.
Optionally, the air conditioner is still including locating the air outlet screen panel of air outlet department, the air outlet screen panel has the air outlet through-hole, inject first annular air-out district and locate in the air outlet through-hole second annular air-out district outside first annular air-out district, first annular air-out district is equipped with the edge a plurality of first wind-guiding strips of the circumference interval distribution in first annular air-out district, second annular air-out district is equipped with the edge a plurality of second wind-guiding strips of the circumference interval distribution in second annular air-out district.
Optionally, the first wind guide strip is in a curved strip shape;
the second air guide strip is in a linear strip shape; or the second air guide strip is in a curved strip shape, and the bending direction of the second air guide strip is different from that of the first air guide strip.
Optionally, the wind wheel is an axial flow wind wheel, the wind wheel is arranged corresponding to the air outlet through hole, and the bending direction of the first wind guide strip is opposite to the rotating direction of the wind wheel.
Optionally, a ratio of a radial width of the first annular air-out region to a sum of the radial width of the first annular air-out region and the radial width of the second annular air-out region is greater than or equal to 0.15 and less than or equal to 0.75.
Optionally, a supporting baffle is arranged on the inner side of the first annular air outlet area, and the inner ends of the plurality of first air guide strips are connected to the supporting baffle; the wind wheel is arranged in the air outlet mesh enclosure;
the first wind guide strip extends towards the direction far away from the wind wheel, and/or the second wind guide strip extends towards the direction far away from the wind wheel, so that the supporting baffle protrudes towards the direction far away from the wind wheel; alternatively, the first and second electrodes may be,
the first wind guide strips extend towards the direction close to the wind wheel, and/or the second wind guide strips extend towards the direction close to the wind wheel, so that the supporting baffle is sunken towards the direction close to the wind wheel.
Optionally, a first distance is formed between the outer side surface of the supporting baffle and a plane where the outer end of the second air guide strip is located, and the ratio of the first distance to the outer ring diameter of the first annular air outlet area is greater than or equal to 0 and less than or equal to 2.5.
Optionally, the number of the first wind guide strips is not equal to the number of the second wind guide strips.
Optionally, the number of the first wind guide strips and the number of the second wind guide strips are both odd numbers; and/or the presence of a gas in the gas,
the number of the first wind guide strips and the number of the second wind guide strips cannot be evenly divided by the number of the blades of the wind wheel.
Therefore, when the air conditioner works, the first motor drives the wind wheel to rotate around the rotating axis of the wind wheel through the first driving shaft; meanwhile, the second motor drives the first motor to rotate through the eccentric transmission part, and because the axis of the second driving shaft and the axis of the first driving shaft form an included angle, the first driving shaft can rotate around the axis of the second driving shaft, and then the wind wheel can be driven to rotate around the axis of the second driving shaft. Therefore, when the air conditioner works, the wind wheel can rotate around the rotating axis of the wind wheel, and can rotate around the axis of the second driving shaft, so that the wind wheel supplies air to form a spiral type, the air supply range of the wind wheel and the air conditioner can be enlarged, the air supply speed and the air supply distance are increased, and the comfort level of a user is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a front view of an embodiment of an air conditioner of the present invention;
FIG. 2 is a side view of the air conditioner of FIG. 1;
FIG. 3 is a cross-sectional view of the air conditioner of FIG. 1;
FIG. 4 is an exploded view of the air conditioner of FIG. 1;
FIG. 5 is a schematic view of the fan assembly of FIG. 4;
FIG. 6 is an exploded view of the blower assembly of FIG. 5;
FIG. 7 is an exploded view of the blower housing of FIG. 5;
FIG. 8 is a schematic view of the gland of FIG. 6;
FIG. 9 is a schematic view of the structure of the buffer member in FIG. 6;
FIG. 10 is a schematic structural view of the spherical plain bearing of FIG. 6;
fig. 11 is a schematic view of a view angle of the position-limiting element in fig. 6;
fig. 12 is a schematic structural diagram of another view angle of the position-limiting member in fig. 11;
FIG. 13 is a schematic structural view of the bushing of FIG. 6;
FIG. 14 is a perspective view of the eccentric of FIG. 6;
FIG. 15 is a schematic view of the eccentric of FIG. 14 from another perspective;
FIG. 16 is a schematic structural view of the mounting socket of FIG. 6;
FIG. 17 is a schematic view of the motor base shown in FIG. 6;
FIG. 18 is a schematic structural view of the motor base shown in FIG. 17 from another perspective;
FIG. 19 is a schematic view of another perspective of the fan assembly of FIG. 5;
FIG. 20 is a top view of the blower assembly of FIG. 19;
FIG. 21 is a schematic cross-sectional view of the fan assembly taken along line I-I of FIG. 20;
FIG. 22 is an enlarged view of a portion of FIG. 21 at A;
FIG. 23 is a schematic structural view of the front housing of FIG. 4;
fig. 24 is a schematic structural view of the air outlet mesh enclosure in fig. 23;
fig. 25 is a front view of the air outlet cover in fig. 24;
FIG. 26 is a schematic cross-sectional view of the outlet grille taken along line II-II in FIG. 25;
fig. 27 is a schematic structural diagram of a fan assembly in another embodiment of the air conditioner of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if the description of "first", "second", etc. is provided in the embodiment of the present invention, the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.
The invention provides an air conditioner. Specifically, the air conditioner may be an indoor air conditioner (such as a floor type indoor air conditioner, or a vertical hanging type indoor air conditioner, etc.), an all-in-one machine (such as a mobile air conditioner, or a window machine, etc.), or even an outdoor air conditioner, etc.; the following description will be given taking an air conditioning indoor unit as an example.
In one embodiment of the present invention, as shown in fig. 1 to 4, the
The
The
Optionally, the
Further, as shown in fig. 5-21, and with particular reference to fig. 5, 6, and 19-21, the
As shown in fig. 19 and 21, when the
It can be understood that the axis of the
Specifically, as shown in fig. 5, 6, and 19-21, the
In particular, said transmission is an eccentric transmission, so that the
That is, in this embodiment, as shown in fig. 5, 6, and 19-21, the
Thus, when the
It should be noted that, in the embodiment, a support structure may be directly formed in the heat exchanging
Further, as shown in fig. 5, 6, and 19-21, the
Further, as shown in fig. 5, 6, and 19-21, the eccentric transmission member is an
In this way, by providing the eccentric transmission member as the
Further, as shown in fig. 5, 6, and 19-21, the
In this way, forming a mounting structure directly on the
Optionally, the
In this embodiment, as shown in fig. 7, the
Further, as shown in FIGS. 5, 6, and 19-21, the eccentric 24 is movably coupled to the
Further, as shown in fig. 7, a
Optionally, the
Optionally, the diameter of the eccentric 24 is smaller than the diameter of the
Alternatively, as shown in fig. 14 and 15, the side of the
Further, as shown in fig. 7, a plurality of
Specifically, the
In the present embodiment, as shown in fig. 7, the
It can be understood that one or more of the distance between the
It should be noted that, in other embodiments, the
It should be noted that the
For example, in another embodiment of the present invention, as shown in fig. 27, a driving
In this embodiment, optionally, the center line of the
In this embodiment, it is to be noted that, in a modified embodiment of this embodiment, the driving
It should be noted that in other embodiments, the eccentric transmission member can be configured as a crank, a connecting rod assembly, or the like, and the specific connection relationship and structure thereof can be easily obtained according to the disclosure of the present invention, and need not be described in detail herein.
Further, as shown in fig. 19 and 21, an angle R between the axis of the
Optionally, an angle R between the axis of the
Further, as shown in fig. 10 and 22, the
Specifically, as shown in fig. 10 and 22, the spherical
Further, as shown in fig. 16, 21 and 22, the mounting
Specifically, the
Further, as shown in fig. 6 and 16, the upper end of the first supporting
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
Specifically, the
Specifically, the first supporting
Further, as shown in fig. 6, 13, 21 and 22, the
In this way, the
Specifically, one end of the
Further, a bearing may be disposed between the
Further, as shown in fig. 6, 9, 21 and 22, the
Specifically, as shown in fig. 6, 8, 11, 12, 21 and 22, the
Optionally, one side of the engaging flange, which is away from the
Optionally, the
Optionally, one side of the
Further, as shown in fig. 6, 17, 18, 21 and 22, the
Optionally, the eccentric protrusion is provided in a through hole of the coupling protrusion 2941 to enhance the coupling stability of the eccentric 24 with the
Optionally, the second supporting
Further, as shown in fig. 16, the mounting
Specifically, the
Further, as shown in fig. 1-4 and 23-26, the
It can be understood that, in first annular air-out district, be formed with little wind channel between two adjacent first
In a similar way, in second annular air-out zone, be formed with little wind channel between two adjacent second
The air outlet conditions of the two annular air outlet areas can be changed by designing the first air guide strips 51 and the second air guide strips 52, so that the air outlet diversity of the
Specifically, as shown in fig. 4, the
Further, as shown in fig. 23 to 26, the first
Specifically, the first
Alternatively, the first
Further, as shown in fig. 23 to 26, the second air guiding strips 52 are linear strips, so that the shape of the small air duct between two adjacent second air guiding strips 52 is also limited to be linear, and a plurality of linear small air ducts can be formed in the second annular air outlet area; so, the mobile air through second annular air-out district can not lead to the fact too big influence to the spiral air current that
Of course, the second air guide strips 52 may be curved strips, and the bending direction of the second air guide strips 52 may be different from the bending direction of the first air guide strips 51. In this way, the shape of the small air duct between two adjacent second air guiding strips 52 is also limited to be curved, so that a plurality of curved small air ducts can be formed in the second annular air outlet area; so the air that flows through second annular air-out district can form another spiral air current, and then can make the air that flows through air-
Of course, in other embodiments, the first air guiding strips 51 may be linear strips, and the second air guiding strips 52 may be curved strips, which may also achieve similar effects.
Further, as shown in fig. 25, the ratio of the radial width L1 of the first annular air-out zone to the sum of the radial width L1 of the first annular air-out zone and the radial width L2 of the second annular air-out zone is greater than or equal to 0.15 and less than or equal to 0.75, i.e. 0.15 ≦ L1/(L1+ L2) ≦ 0.75. Therefore, the first annular air outlet area and the second annular air outlet area can be guaranteed to have enough radial width so as to have enough air supply range.
Optionally, the radial width L1 of the first annular air-out zone is greater than the radial width L2 of the second annular air-out zone.
In a specific embodiment, the first wind guide strips 51 and the second wind guide strips 52 can be arranged in the same plane, so as to simplify the structure of the
Further, as shown in fig. 24 to 26, a connecting
The inner end of the first
Alternatively, the supporting
Further, as shown in fig. 24 to 26, the first
Specifically, as shown in fig. 26, a first distance L3 is provided between the outer side surface of the supporting
Of course, in other embodiments, the first
Further, the number of the first wind guide strips 51 is not equal to the number of the second wind guide strips 52. Thus, noise reduction can be achieved.
Furthermore, the number of the first wind guide strips 51 and the number of the second wind guide strips 52 are both odd numbers. Thus, the frequency doubling noise can be reduced/weakened, and the air supply noise of the
Further, the number of the first wind guide strips 51 and the number of the second wind guide strips 52 are not evenly divisible by the number of the blades of the
In this embodiment, the number of the first wind guide strips 51 is not equal to the number of the second wind guide strips 52, both the number of the first wind guide strips 51 and the number of the second wind guide strips 52 are odd, and neither the number of the first wind guide strips 51 nor the number of the second wind guide strips 52 can be evenly divided by the number of the blades of the
Further, as shown in fig. 3 and 4, the
It should be noted that the
1) when the
2) When the spiral airflow sent by the
3) And noise reduction can be realized, so that low-noise air supply is realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
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