WO2019114588A1 - 一种空调室内挂机和用于其的挡板组件及其控制方法 - Google Patents

一种空调室内挂机和用于其的挡板组件及其控制方法 Download PDF

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Publication number
WO2019114588A1
WO2019114588A1 PCT/CN2018/119400 CN2018119400W WO2019114588A1 WO 2019114588 A1 WO2019114588 A1 WO 2019114588A1 CN 2018119400 W CN2018119400 W CN 2018119400W WO 2019114588 A1 WO2019114588 A1 WO 2019114588A1
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Prior art keywords
telescopic
baffle
air
screw
lead screw
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PCT/CN2018/119400
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English (en)
French (fr)
Inventor
庄佳兰
臧元强
朱振学
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青岛海尔空调器有限总公司
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Application filed by 青岛海尔空调器有限总公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2019114588A1 publication Critical patent/WO2019114588A1/zh

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    • 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
    • F24F13/20—Casings or covers

Definitions

  • the invention relates to the technical field of air conditioners, in particular to an air-conditioning indoor hook machine and a baffle assembly therefor and a control method thereof.
  • air conditioners have become an essential household appliance for families.
  • the air inlet is usually located at the top, and the air inlet is easy to accumulate dust under long-term use; in the prior art, the structure is easy to be washed and washed, so as to clean the dust, the customer needs to clean and maintain in time, and bring the user with It is not convenient.
  • air conditioners can reduce the indoor ambient temperature and provide a comfortable environment for people, but most people have the experience of blowing cold air directly from the air outlet. This not only makes people feel cold, but also easily causes colds, bad airways, local numbness of the cervical vertebrae and other air-conditioning syndromes. Therefore, an air conditioning airflow direction adjusting device is also required to change the wind direction of the air outlet.
  • a further object of the present invention is that the baffle is configured to be movable between the upper portion and the lower portion of the air-conditioned indoor hook.
  • the present invention provides a baffle assembly for an air-conditioned indoor hook, comprising:
  • a rotary drive mechanism detachably disposed on both sides of the indoor hook
  • Two telescopic arms the fixed ends of which are respectively connected with the rotary drive mechanism;
  • the end portions of the two sides are respectively connected with the telescopic end of the telescopic arm, and the telescopic arm is rotated by the rotation driving mechanism, so that the baffle moves between the upper portion and the lower portion of the air-conditioned indoor hook;
  • the telescopic end adjusts the distance between the baffle and the indoor hook by the telescopic arm.
  • the rotary drive mechanism comprises a base connected to the indoor hook and a rotary motor mounted in the base, and the rotating motor shaft is connected with the fixed end for driving the telescopic arm to rotate;
  • the fixed end includes a connecting plate connected to the outer side of the base and a rectangular cavity protruding from the connecting plate toward the base;
  • the telescopic end is disposed in the rectangular cavity, and includes a telescopic portion and a telescopic assembly for extending or shortening the telescopic arm.
  • the telescopic assembly comprises a lead screw motor and a lead screw assembly axially connected to the lead screw motor; wherein
  • the lead screw assembly comprises a screw base fixedly connected with the screw motor and a screw rod and a screw upper cover arranged in a vertical direction along the screw base; the screw rod is sleeved upwardly with a telescopic portion, and the telescopic portion is reciprocated up and down along the lead screw motion.
  • a central first boss having a first through hole is formed in a central portion of the lead screw base, and a lower screw bearing is fixed in the first through hole, and the lower bearing of the lead screw has an interference fit with a sleeve and a lead screw.
  • the motor shaft and the lower end of the lead screw are connected in the sleeve.
  • the telescopic portion includes a sliding plate disposed at a bottom thereof and a telescopic surface extending symmetrically upward along the parallel sides of the sliding plate and the connecting plate;
  • a second through hole is formed in a middle portion of the sliding plate, and an internal thread of the second through hole is matched with an external thread of the screw;
  • the end surface of the sliding plate adjacent to the expansion surface is symmetrically opened with a first groove perpendicular to each first concave a second groove is formed in a middle portion of the groove, and a telescopic portion guide bearing is disposed in the second groove, and a connecting shaft is fastened to the first groove on both sides of the expansion bearing guide bearing;
  • a first telescopic guiding groove is symmetrically arranged on the inner side of the telescopic surface for defining a movement track of the expansion surface relative to the upper cover of the screw.
  • each of the telescopic surfaces is folded outwardly from the joint surface for connecting the telescopic arm and the baffle.
  • the upper cover of the screw includes an upper cover plate and a cylindrical second boss extending downward along the bottom of the upper cover plate and a bearing groove disposed at an upper portion of the upper cover plate;
  • a hole is formed in the middle of the second boss, and a bearing on the screw is arranged in the hole, and the bearing on the screw is connected with the upper end of the screw;
  • the bearing groove comprises a positioning plate disposed longitudinally perpendicular to the upper cover plate in parallel, the positioning plate is horizontally perpendicular to the expansion surface, and the positioning plate forms a positioning groove in the middle of the upper cover plate, and the partitioning plate is provided with a partition plate at a lateral symmetry axis.
  • the positioning groove is divided into two parts, and each part of the positioning groove is provided with an upper cover guiding bearing, which is engaged with the card slot of the two ends of the positioning plate through the bearing connecting column; the upper cover guiding bearing cooperates with the first telescopic guiding groove .
  • the upper cover plate extends perpendicularly to the sides of the positioning plate to vertically extend out of the connecting block for connecting and fixing the upper cover of the screw to the fixed end.
  • the end of the connecting plate of the fixed end is provided with a telescopic arm rotating shaft inwardly connected to the rotating machine shaft;
  • a first fixing leg is disposed at a lower corner of the rectangular cavity at the fixed end for fixing and fixing the screw base in the rectangular cavity; and a second inner side of the upper adjacent connecting plate in the rectangular cavity is symmetrically disposed with a second a fixing leg connected to the connecting block for fixing the upper cover of the connecting screw;
  • the lower portion of the second fixed leg extends out of the second telescopic guiding groove for defining a movement trajectory of the telescopic arm relative to the fixed end.
  • the baffle assembly further includes a control box disposed on the upper portion of the base; the control box is configured to control the extension or shortening of the telescopic arm and control the rotation drive mechanism to move the baffle between the upper portion and the lower portion of the indoor hook.
  • the invention also provides an air conditioner indoor hanging machine, comprising:
  • a casing having an air inlet and an air outlet
  • the damper is detachably mounted on both sides of the casing, and the baffle is used to block the air inlet or all or part of the air outlet.
  • the invention also provides a control method for an air-conditioner indoor hanging machine, which is used for controlling the air-conditioning indoor hanging machine, and the control method comprises:
  • the air-conditioned indoor hook is turned on, the telescopic arm is extended, and the baffle is moved upward away from the air inlet for external air to enter;
  • the baffle assembly provided by the present invention is provided with a telescopic arm, so that when the indoor hook is not working, the telescopic arm is in an initial state, the baffle blocks the air inlet to prevent dust from falling into the air inlet; when the indoor hook is working, the telescopic arm extends Long, the baffle is away from the air inlet, revealing the air inlet for external air to enter.
  • the baffle assembly of the present invention is further provided with a rotary drive mechanism, which can adjust the rotation angle of the baffle after the indoor hook enters the operation mode, and moves between the upper part and the lower part of the indoor hook machine, and partially or partially blocks the air supply port.
  • a rotary drive mechanism which can adjust the rotation angle of the baffle after the indoor hook enters the operation mode, and moves between the upper part and the lower part of the indoor hook machine, and partially or partially blocks the air supply port.
  • the baffle can also assist the long-distance air supply.
  • the air conditioner indoor hanging machine provided with the baffle assembly provided by the invention enables the baffle assembly to block the air inlet of the indoor hanging machine to prevent dust from falling in, and also to make the baffle of the baffle assembly hang up in the upper part of the air conditioning room and Rotate the lower part to any angle to block the air outlet in whole or in part.
  • the method for controlling the indoor air-hanging machine in the air conditioner provides a command to the control box through the remote controller, and the position of the baffle outside the air-conditioning indoor hook can be accurately controlled by the screw telescopic mechanism, thereby achieving the purpose of shielding the air inlet and the air outlet. .
  • FIG. 1 is a schematic structural view of an air conditioner indoor hanging machine according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of the baffle assembly of the air-conditioned indoor hook of Figure 1;
  • FIG 3 is a schematic structural view of a telescopic arm of the baffle assembly shown in Figure 2;
  • Figure 4 is an exploded schematic structural view of the telescopic arm shown in Figure 4;
  • FIG. 5 is a partial longitudinal cross-sectional view of the baffle assembly shown in Figure 2;
  • Figure 6 is an exploded view of the telescopic end of the telescopic arm shown in Figure 5;
  • Figure 7 is a schematic structural view of the fixed end of the telescopic arm shown in Figure 5;
  • Figure 8 is a schematic structural view of an air conditioner indoor hanging machine according to still another embodiment of the present invention.
  • FIG. 9 is a schematic structural view of an air conditioner indoor hanging machine according to another embodiment of the present invention.
  • Figure 10 is a schematic structural view of an air conditioner indoor hook in accordance with still another embodiment of the present invention.
  • FIG. 11 is a flow chart of a control method of an air conditioner indoor hook provided by the present invention.
  • the air conditioner indoor hanging machine 100 may generally include an indoor unit casing, and an air inlet 110 and an air outlet 120 are respectively disposed at an upper portion and a front lower end of the outer casing; for convenience of description, the “upper”, “lower” and “front” mentioned in the specification.
  • the orientations of “post”, “top”, “bottom”, “longitudinal” and “horizontal” are all defined according to the spatial positional relationship under normal working conditions of the air-conditioned indoor hook. For example, the side of the air-conditioned indoor hook that faces the user is the front and the mounting position is abutted. One side is back.
  • two sides of the indoor hanging machine 100 are detachably provided with two baffle assemblies 200, such as a schematic structural view of the baffle assembly of the air conditioning indoor hanging machine 100 shown in FIG. 2, the baffle assembly 200
  • the rotary drive mechanism 210 mounted on both sides of the indoor hook 100 and the telescopic arms 220 respectively connected to the rotary drive mechanism 210 are included.
  • 3 is a schematic structural view of a telescopic arm 220 in the baffle assembly. As shown in FIG. 2, the fixed end 221 of the telescopic arm 220 is coupled to the rotary drive mechanism 210, and the telescopic end 222 is coupled to the baffle 230.
  • the baffle 230 can replace the baffles 230 of different sizes according to the size of the air conditioner.
  • the baffle 230 adjusts the distance between the baffle 230 and the indoor hook 100 by the telescopic arm 220.
  • the telescopic arm 220 is in an original state, and the baffle 230 blocks the air inlet 110 to prevent dust from entering the air inlet 110.
  • the telescopic arm 220 is extended, and the baffle 230 is away from the air inlet 110 to expose the air inlet 110 for external air to enter.
  • the baffle 230 exposes the air inlet 110 for entry of outside air in one of the states in which the indoor hook 100 operates.
  • the other state of the shutter 230 during operation of the indoor hook 100 and the state of the shutter 230 when not in operation will be described later.
  • the telescopic arm 220 is rotated by the rotation driving mechanism 210, and the shutter 230 can be moved between the upper portion and the lower portion of the air-conditioned indoor hooking machine 100.
  • the baffle 230 can stop at any position of the air outlet 120, thereby guiding the wind direction to avoid direct blowing of the cold air; when the baffle 230 is located at the lower part of the indoor hanging machine 100 and does not block the air outlet 120, the baffle 230 can play a role in assisting long-distance air supply.
  • the baffle assembly 200 of the air-conditioned indoor hook 100 shown in FIG. 2 is detachably mounted on the air-conditioned indoor hook 100, so that the device can be separately installed on the installed air conditioner.
  • FIG. 3 is a schematic structural view of a telescopic arm 220 of the baffle assembly 200 shown in FIG. 2.
  • FIG. 4 is an exploded schematic structural view of the telescopic arm 220; as can be seen from FIG. 3 and FIG.
  • the 222 is mounted in a rectangular cavity in the upper portion of the fixed end 221, and the telescopic end 222 is movable relative to the fixed end 221.
  • the rotary drive mechanism 210 includes a base 211 coupled to the indoor hook 100 and a rotary motor 212 mounted within the base 211 for rotation
  • the crankshaft of the motor 212 is coupled to the fixed end 221 of the telescopic arm 220.
  • the rotary drive mechanism 210 rotates the telescopic arm 220 under the action of the rotary motor 212 in the base 211 to move between the upper and lower portions of the indoor hook 100.
  • the fixed end 221 includes a connecting plate 221-1 connected to the outside of the base 211 and a rectangular cavity 221-2 protruding from the upper portion of the connecting plate 221-1 toward the base 211, wherein the rotating shaft of the rotating electrical machine 212 and the connecting plate 221-1 The lower part of the connection.
  • the telescopic end 222 includes a telescopic portion 222-5 and a telescopic assembly.
  • the telescopic end 222 is disposed in the rectangular cavity 221-2. Under the action of the telescopic assembly, the telescopic end 222 can be extended or shortened relative to the fixed end 221, The extension or shortening of the telescoping arm 220 in turn adjusts the distance of the baffle 230 connected thereto relative to the indoor hook 100.
  • the telescopic assembly can realize its telescopic function by using a rack and pinion mechanism, a worm gear mechanism, or a screw mechanism.
  • the rack and pinion mechanism has low utility cost and low transmission precision, and is suitable for long-distance heavy-duty transmission.
  • the worm-worm mechanism is large in transmission ratio and low in transmission efficiency. It is suitable for two-axis interleaving, large transmission ratio, low transmission power or intermittent operation.
  • the screw mechanism in the short-distance transmission the accuracy is significantly higher than the two. Therefore, in the present invention, the distance segment to be conveyed is short, and the precision of the conveyance is required to be high, and the telescopic assembly employs a screw mechanism.
  • the telescopic arm 220 includes an expansion and contraction portion 222-5 and a telescopic assembly.
  • the telescopic assembly includes a screw motor 222-1 and a screw assembly. The lead screw assembly and the screw motor 222-1 are vertically connected upward.
  • the lead screw assembly includes a screw base 222-2, a lead screw 222-3, and a screw upper cover 222-4.
  • the lead screw base 222-2 is fixedly connected with the screw motor 222-1, and the lead screw base 222-3 and the screw upper cover 222-4 are arranged vertically upward and upward on the screw base 222-2, and the lead screw 222-3 is upwardly
  • the sleeve has a telescopic portion 222-5, and the telescopic portion 222-5 reciprocates up and down along the screw 222-3 under the action of the screw motor 222-1.
  • a cylindrical first boss 222-22 is arranged in the middle of the screw base 222-2, and a first through hole 222-23 is opened in the center thereof, and a lower screw 222-222 is fixed in the first through hole 222-23.
  • the lower screw 222-24 of the lead screw is fitted with a sleeve 222-31, and the shaft of the screw motor 222-1 of the sleeve 222-31 is connected with the lower end of the screw 222-3.
  • the sleeves 222-31 not only function as the lower screws 222-24 of the sliding screw, but also avoid the wear of the parts caused by the rotation of the screw motor 222-1 and the movement of the screw 222-3 and the long-term friction of the lower bearing 222-24 of the screw. It is cumbersome to replace parts.
  • the sleeves 222-31 can also eliminate the assembly gap, so that the telescopic arm 220 can be more accurately moved.
  • the telescopic portion 222-5 includes a sliding plate 222-51 at the bottom, and a second through hole 222-53 is formed in the middle portion.
  • the internal thread of the second through hole 222-53 is matched with the external thread of the lead screw, and the sliding plate 222-51 can be Reciprocating up and down along the screw 222-3; extending along the two sides parallel to the connecting plate 222-1 of the sliding plate 222-51, a telescopic surface 222-52 extending adjacent to the telescopic surface 222-52
  • the end faces are symmetrically opened with first grooves 222-54, and the second grooves 222-55 are perpendicular to the middle of each of the first grooves 222-54, and the second grooves 222-55 are provided with telescopic guides.
  • Bearings 222-56, telescoping guide bearings 222-56 are provided with connecting shaft snaps and first recesses 222-54.
  • the upper end portion of the expansion surface 222-52 is coupled to the baffle 230.
  • first telescopic guide grooves 222-57 are symmetrically disposed on the inner side of the expansion surface 222-52 for defining the running track of the expansion surface 222-52 relative to the screw upper cover 222-4.
  • the screw 222-3 connected to the shaft of the screw motor 222-1 rotates in the sleeve 222-31, and under the guidance of the first telescopic guide groove 222-51, the expansion surface
  • the 222-52 is axially moved along the screw 222-3, so that the telescopic portion 222-5 of the telescopic arm 220 is telescopically reciprocated along the opposite fixed end 221.
  • the baffle 230 can be adjusted to be spaced from the indoor hook 100 by the telescopic arm 220.
  • each of the telescoping faces 222-52 folds outwardly at a joining surface 222-58 for connecting the telescoping arm 220 and the baffle 230.
  • the screw upper cover 222-4 includes an upper cover plate 222-41 and cylindrical second bosses 222-42 extending downward along the bottom of the upper cover plate 222-41 and bearings disposed on the upper portion of the upper cover plate 222-41 a groove; wherein, in the middle of the second bosses 222-42, there is a hole groove, wherein the hole is provided with a bearing 222-47 on the screw, and the upper end of the screw 222-47 and the screw 222-3 are interspersed Match the connection.
  • the bearing groove includes positioning plates 222-43 disposed longitudinally perpendicular to the upper cover plates 222-41 and parallel to each other.
  • the positioning plates 222-43 are laterally perpendicular to the expansion surface 222-52, and the positioning plates 222-43 are formed between the upper cover plates.
  • a positioning groove in the middle of 222-4, a partitioning plate 222-44 is disposed at a lateral symmetry axis of the positioning groove, and is used for dividing the positioning groove into two parts, and each part of the positioning groove is provided with an upper cover guiding bearing 222-45, which passes through the bearing
  • the connecting post is engaged with the slot of the two ends of the positioning plates 222-43; the upper cover guiding bearings 222-45 cooperate with the first telescopic guiding grooves 222-57.
  • the number of positioning plates 222-43 is two.
  • the two sides of the upper cover plate 222-4 parallel to the direction of the plate surface of the positioning plate 222-43 extend perpendicularly from the connecting block 222-46 for connecting and fixing the screw upper cover 222-4 to the fixed end 221 Inside the rectangular cavity 221-2.
  • the end of the connecting plate 221-1 of the fixed end 221 is provided with a telescopic arm rotating shaft 221-11 inwardly connected to the rotating shaft of the rotating electric machine 212.
  • the telescopic arm 220 can be The upper hook and the lower portion of the indoor hanging machine 100 move to cover the air inlet 110 or block all or part of the air outlet 120.
  • FIG. 7 is a schematic structural view of the fixed end 221 of the telescopic arm 220.
  • Four first fixing legs 221-21 are symmetrically disposed at the lower four corners of the rectangular cavity 221-2 of the fixed end 221 for The lead screw base 222-2 is connected and fixed in the rectangular cavity 221-2; the upper portion of the rectangular cavity 221-2 is symmetrically provided with the second fixed leg 221-22, and the second fixed leg 221-22 is located in the rectangular cavity
  • the middle portion of the inner side of the two faces adjacent to the connecting plate 221-1 of 221-2 is disposed to be coupled to the connecting block 222-46 to fix the screw upper cover 222-4. That is, the two second fixed legs 221-22 are located at the upper portion of the rectangular cavity 221-2 in the longitudinal direction, and are respectively located at the center in the width direction of the board surface on which they are located.
  • the lower portion of the second fixing leg 221-22 extends out of the second telescopic guiding groove 221-23 for defining a movement track of the telescopic arm 220 relative to the rectangular cavity 221-2, preventing the telescopic arm 220 from being in the rectangular cavity 221-
  • the movement in 2 is deviated, which in turn causes the telescopic arms 220 to be inconsistent when they are elongated or shortened, and a failure occurs when the baffle 230 is used.
  • the baffle assembly 200 of the present invention further includes a control box 240 disposed at an upper portion of the base 211, and the control box 240 is configured to control the extension or shortening and control of the telescopic arm 220
  • the rotary drive mechanism 210 drives the shutter 230 to move between the upper portion and the lower portion of the indoor hook 100.
  • the control box 240 has a power supply. Since the installation position of the air conditioner indoor hook 100 is relatively high, the power supply form is preferably connected directly to the power supply by the power line, thereby avoiding replacement of the battery. Of course, the power supply can also be a primary battery or a rechargeable battery.
  • the air conditioner indoor hook 100 is in a state of no operation. At this time, the shutter 230 is completely reset to block the air inlet 110, thereby preventing dust from falling into the air inlet 110.
  • a state in which the air-conditioning indoor hook 100 is in operation in which the baffle 230 is moved by the rotary drive mechanism 210, and the baffle 230 is moved to the air outlet 120,
  • the baffle 230 is finely adjusted to completely or partially block the air outlet 120, thereby preventing the air conditioner from blowing cold air.
  • the air conditioner is connected to the indoor hanging machine 100 in another state.
  • the baffle 230 is located at the lower portion of the indoor hanging machine 100, and does not block the air outlet 120.
  • the baffle 230 functions as a wind deflector at this time, thereby assisting the long-distance air supply.
  • the different working states of the indoor hanging machine 100 can be remotely controlled by using a remote controller, which can replace the original remote controller to control the air conditioner as a universal remote controller for the air conditioner.
  • the present invention also provides an air conditioning indoor hanging machine 100, comprising a casing and the above-mentioned baffle assembly 200; the casing is provided with an air inlet 110 and an air outlet 120, and the baffle assembly 200 is detachably mounted to the casing
  • the rotary drive mechanism of the plate assembly 200 can be detachably disposed on both sides of the casing, respectively.
  • the baffle 230 can completely block the air inlet 110 to prevent dust from falling into the air inlet 110; or the air outlet 120 can be completely or partially blocked, thereby preventing the air-conditioning cold wind from blowing directly.
  • the baffle 230 can also block the air inlet 110 and the air outlet 120, but is located at the lower part of the air outlet 120 to assist the long-distance air supply.
  • the present invention also provides a control method of the air conditioner indoor hanging machine 100, as shown in the flowchart of the control method shown in FIG. 11, the control method is used in the aforementioned air conditioning indoor hanging machine 100, and includes the following steps:
  • Step S1102 the air conditioner indoor hanging machine 100 is turned on, and the telescopic arm 220 is controlled to extend; the baffle 230 is moved upwardly away from the air inlet 110, and the air inlet 110 is exposed for external air to enter;
  • Step S1104 adjusting the rotation angle of the baffle 230 and the extension length of the telescopic arm 220 according to the operation mode of the air-conditioning indoor hook 100, so that the baffle 230 is matched with the air supply;
  • Step S1106 When the air-conditioning indoor hanging machine 100 is turned off, the baffle 230 is rotated to the upper part of the air inlet 110 and the telescopic arm 220 is retracted, and the baffle 230 is reset, so that the baffle 230 blocks the air inlet 110.
  • step S1102 and step S1104 can be controlled to be executed.
  • step S1106 can be controlled to be executed.
  • step S1104 when the baffle 230 completely or partially blocks the air outlet 120, the air conditioning cold air can be prevented from being blown directly; when the baffle 230 is located at the lower part of the indoor hanging machine 100, the plane is substantially parallel with the air outlet direction, and can be assisted. The role of air supply over long distances.

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Abstract

本发明提供了一种空调室内挂机和用于其的挡板组件及其控制方法，该挡板组件包括可拆卸地设置于室内挂机两侧的旋转驱动机构和与旋转驱动机构连接的伸缩臂，伸缩臂的伸缩端连接有挡板。该发明进一步提供了包括该挡板组件的室内空调挂机及其对应的控制方法。根据本发明提供的技术方案，伸缩臂在旋转驱动机构带动下转动，使得挡板在空调室内挂机的上部至下部之间移动；伸缩臂进一步可以调整挡板至室内挂机的间距。利用本发明提供的技术方案，既可以有效避免灰尘落入空调室内挂机的进风口内及其避免空调冷风直吹人，又可以达到辅助远距离送风的效果。

Description

一种空调室内挂机和用于其的挡板组件及其控制方法 技术领域
本发明涉及空调技术领域，特别是涉及一种空调室内挂机和用于其的挡板组件及其控制方法。
背景技术
目前，随着人们生活水平的提高，空调已经成为家庭必备的家用电器。现有的室内挂机，其进风口通常位于顶部，进风口在长期使用下容易堆积灰尘；现有技术中一般是通过设计易于拆洗的结构，以便于清理灰尘，需要客户及时清理维护，给用户带来不便。
特别地，在夏日，空调可以降低室内环境温度，给人们提供舒适环境，但多数人都有被空调出风口的冷风直接吹在身上的经历。这不仅让人感觉寒冷，还容易引起感冒，气管不好，颈椎局部麻木等空调综合症。因此也需要空调气流风向调节装置来改变出风口的风向。
发明内容
本发明的一个目的是要提供一种用于空调室内挂机的挡板组件，该挡板在室内挂机不工作时用于遮挡进风口，防止灰尘进入进风口。
本发明一个进一步的目的是挡板配置成可以在空调室内挂机的上部至下部之间移动，在空调工作时，全部或者部分遮挡出风口，避免空调风直吹人体，也可以辅助远距离送风。
特别地，本发明提供了一种用于空调室内挂机的挡板组件，包括：
可拆卸地设置于室内挂机两侧的旋转驱动机构；
两个伸缩臂，其固定端分别与旋转驱动机构连接；
挡板，两侧端部分别与伸缩臂的伸缩端连接，并且伸缩臂由旋转驱动机构带动下转动，使得挡板在空调室内挂机的上部至下部之间移动；
伸缩端在伸缩臂带动下调整挡板至室内挂机的间距。
优选地，旋转驱动机构包括与室内挂机连接的底座和在底座内安装的旋转电机，旋转电机机轴与固定端连接，用于带动伸缩臂旋转；
固定端包括与底座外侧连接的连接板和位于连接板上部向底座方向凸 出的矩形空腔；
伸缩端设置于矩形空腔内，包括伸缩部和伸缩组件，用于实现伸缩臂的伸长或缩短。
优选地，伸缩组件包括丝杠电机和与丝杠电机机轴向上连接的丝杠组件；其中，
丝杠组件包括与丝杠电机固定连接的丝杠底座和沿丝杠底座垂直向上依次设置的丝杠和丝杠上盖；丝杠经向上穿套有伸缩部，伸缩部沿丝杠做上下往复运动。
优选地，丝杠底座中部向上设有中心开有第一通孔的圆柱形第一凸台，第一通孔内固定有丝杠下轴承，丝杠下轴承过盈配合有轴套，丝杠电机机轴与丝杠的下端部在轴套内连接。
优选地，伸缩部包括设于其底部的滑动板和沿滑动板与连接板平行两侧面对称向上延伸的伸缩面；
滑动板中部开有第二通孔，第二通孔的内螺纹与丝杠的外螺纹配合设置；滑动板与伸缩面相邻的端面对称开有第一凹槽，垂直于每个第一凹槽的中部开有第二凹槽，第二凹槽内设置有伸缩部导向轴承，伸缩部导向轴承两侧设有连接轴卡扣于第一凹槽内；
伸缩面内侧对称设有第一伸缩导向槽，用于限定伸缩面相对丝杠上盖的运动轨迹。
优选地，每个伸缩面的上端部向外翻折出连接面，用于连接伸缩臂和挡板。
优选地，丝杠上盖包括上盖板和沿上盖板底部向下延伸的圆柱形第二凸台以及上盖板上部设置的轴承槽；其中，
第二凸台中部开有孔槽，孔槽内设有丝杠上轴承，丝杠上轴承与丝杠上端部过盈配合连接；
轴承槽包括纵向垂直于上盖板平行向上设置的定位板，定位板横向垂直伸缩面，定位板之间形成位于上盖板中部的定位槽，定位槽横向对称轴处设有分隔板，用于将定位槽分成两部分，每部分定位槽内安装有上盖导向轴承，其通过轴承连接柱与定位板两端部的卡槽卡合连接；上盖导向轴承与第一伸缩导向槽配合运动。
优选地，上盖板平行于定位板方向的两侧垂直延伸出连接块，用于将丝 杠上盖连接固定于固定端内。
优选地，固定端的连接板的端部向内设有伸缩臂转轴，与旋转电机机轴连接；
固定端的矩形空腔内的下部四角处设有第一固定支脚，用于将丝杠底座连接固定于矩形空腔内；矩形空腔内的上部相邻连接板的两面内侧中部对称设有第二固定支脚，与连接块连接，用于固定连接丝杠上盖；
第二固定支脚的下部延伸出第二伸缩导向槽，用于限定伸缩臂相对固定端的运动轨迹。
优选地，挡板组件还包括控制箱，设于底座上部；控制箱配置成控制伸缩臂的伸长或缩短以及控制旋转驱动机构带动挡板在室内挂机的上部至下部之间移动。
本发明还提供了一种空调室内挂机，包括：
机壳，其上开有进风口和出风口；以及
根据上述用于空调室内挂机的挡板组件，可拆卸的安装于机壳的两侧，挡板用于遮挡进风口或者全部或部分出风口。
本发明还提供了一种空调室内挂机的控制方法，用于上述空调室内挂机进行控制，并且控制方法包括：
空调室内挂机开机，伸缩臂伸长，挡板向上移动远离进风口，以供外部空气进入；
按照空调室内挂机的运行模式，调整挡板的旋转角度以及伸缩臂的伸出长度，以使挡板配合送风；
空调室内挂机关机，使挡板旋转至进风口上部并回缩伸缩臂，以使挡板覆盖进风口。
本发明提供的挡板组件，由于设置有伸缩臂，因此在室内挂机不工作时，伸缩臂处于初始状态，挡板遮挡进风口，防止灰尘落入进风口；当室内挂机工作时，伸缩臂伸长，挡板远离进风口，显露出进风口，以供外部空气进入。
进一步地，本发明的挡板组件，还设置有旋转驱动机构，能够在室内挂机进入运行模式后，调整挡板的旋转角度，在室内挂机的上部至下部之间移动，全部或部分遮挡送风口，避免空调冷风直吹人；进而，当挡板处于室内挂机的下部并且不遮挡送风口时，送风方向与挡板接近平行时，挡板还可以起到辅助远距离送风的作用。
本发明提供的安装有上述挡板组件的空调室内挂机，使得挡板组件中挡板可以遮挡室内挂机进风口，防止灰尘落入，也可以使得挡板组件的挡板在空调室内挂机的上部和下部之间旋转至任意角度，以全部或者部分遮挡出风口。
本发明提供的控制上述空调室内挂机的方法，通过遥控器向控制箱发出指令，通过丝杠伸缩机构，可以准确控制挡板在空调室内挂机外部的位置，从而实现遮挡进风口和出风口的目的。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是根据本发明一个实施例的空调室内挂机的示意性结构图；
图2是图1所示空调室内挂机的挡板组件的示意性结构图；
图3是图2所示的挡板组件的一个伸缩臂的示意性结构图；
图4是图4所示的伸缩臂的分解示意性结构图；
图5是图2所示的挡板组件的局部纵向剖视图；
图6是图5所示的伸缩臂的伸缩端的爆炸图；
图7是图5所示的伸缩臂的固定端的示意性结构图；
图8是根据本发明又一个实施例的空调室内挂机的示意性结构图；
图9是根据本发明另一个实施例的空调室内挂机的示意性结构图；
图10是根据本发明再一个实施例的空调室内挂机的示意性结构图；
图11是本发明提供的空调室内挂机的控制方法流程图。
具体实施方式
图1是根据本发明一个实施例的空调室内挂机的示意性结构图。空调室内挂机100一般性地可包括室内机外壳，分别在外壳的上部和前部下端设有进风口110和出风口120；为了便于描述，说明书中提及的“上”“下”“前”“后”“顶”“底”“纵向”“横向”等方位均按空调室内挂机正常工作状态下的空间位置关系进行限定，例如空调室内挂机面向用户的一侧为前，贴 靠于安装位置的一侧为后。
在一个实施例中，室内挂机100的两侧可拆卸地分别设置有两个挡板组件200，如图2所示的空调室内挂机100的挡板组件的示意性结构图，该挡板组件200包括安装在室内挂机100两侧的旋转驱动机构210以及分别与旋转驱动机构210连接的伸缩臂220。图3为挡板组件中一个伸缩臂220的示意性结构图，图3结合图2中可知，伸缩臂220的固定端221与旋转驱动机构210连接，其伸缩端222连接有挡板230。
进一步地，为适应不同尺寸空调，该挡板230可以根据空调尺寸更换不同尺寸的挡板230。
挡板230在伸缩臂220带动下调整挡板230至室内挂机100的间距；当空调室内挂机100不工作时，伸缩臂220处于原始状态，挡板230遮挡进风口110，防止灰尘进入进风口110；当室内挂机100工作时，伸缩臂220伸长，挡板230远离进风口110，显露出进风口110，以供外部空气进入。如图1所示的室内挂机100的工作状态，挡板230在室内挂机100工作时的所处的其中一种状态，显露出进风口110，以供外部空气进入。另外，室内挂机100在工作时挡板230的其它状态和不工作时挡板230的状态，将在后文中描述。
伸缩臂220在旋转驱动机构210带动下转动，可以挡板230在空调室内挂机100的上部至下部之间移动。当室内挂机100工作时，挡板230可以停在出风口120任意位置，从而引导出风方向，避免冷风直接吹人；当挡板230位于室内挂机100下部且不遮挡出风口120时，挡板230可以起到辅助远距离送风的作用。
图2所示的空调室内挂机100的挡板组件200，该挡板230可拆卸的安装在空调室内挂机100上，因此在已安装的空调上，可以单独加装该装置。
图3是图2所示的挡板组件200的一个伸缩臂220的示意性结构图，进一步地，图4为伸缩臂220的分解示意性结构图；从图3和图4中可知，伸缩端222安装于固定端221上部的矩形空腔内，伸缩端222可以相对于固定端221运动。
图5是图2所示的挡板组件200的局部纵向剖视图；图5结合前述附图可知，旋转驱动机构210包括与室内挂机100连接的底座211和在底座211内安装的旋转电机212，旋转电机212的机轴与伸缩臂220的固定端221连 接，旋转驱动机构210在底座211内的旋转电机212的作用下，带动伸缩臂220旋转，在室内挂机100上部和下部之间移动。
固定端221包括与底座211外侧连接的连接板221-1和连接板221-1上部向底座211方向凸出的矩形空腔221-2，其中，旋转电机212的机轴与连接板221-1的下部连接。
伸缩端222包括伸缩部222-5和伸缩组件，伸缩端222设置于上述矩形空腔221-2内，在伸缩组件的作用下，可实现伸缩端222相对于固定端221伸长或缩短运动，伸缩臂220的伸长或缩短进而调节与之连接的挡板230相对于室内挂机100的距离。
进一步地，伸缩组件可以采用齿轮齿条机构、涡轮蜗杆机构或者丝杠机构等实现其伸缩功能。齿轮齿条机构实用成本低，传送精度低，适用于长距离重负荷传动；涡轮蜗杆机构是传动比大，传动效率较低，适用于两轴交错、传动比大、传动功率不大或间歇工作的场合；然而，丝杆机构在短距离传送中，精度明显高于二者。因此在本发明中，传送的距离段短，且要求传送的精度高，伸缩组件采用丝杠机构。
图6所示的是伸缩臂220的伸缩端222的爆炸图，该伸缩臂220包括伸缩部222-5和伸缩组件，从图中看出，伸缩组件包括丝杠电机222-1和丝杠组件，丝杠组件与丝杠电机222-1机轴垂直向上连接。
进一步地，丝杠组件包括丝杠底座222-2、丝杠222-3和丝杠上盖222-4。丝杠底座222-2与丝杠电机222-1固定连接，丝杠底座222-2上垂直向上依次设置有丝杠222-3和丝杠上盖222-4，该丝杠222-3经向上穿套有伸缩部222-5，伸缩部222-5在丝杠电机222-1的作用下沿丝杆222-3做上下往复运动。
在丝杠底座222-2中部向上设有圆柱形第一凸台222-22，其中心开有第一通孔222-23，在第一通孔222-23内固定有丝杠下轴承222-24，丝杠下轴承222-24过盈配合有轴套222-31，轴套222-31内丝杠电机222-1机轴与丝杠222-3的下端部连接。轴套222-31不仅起到滑动丝杠下轴承222-24的作用，也避免了丝杠电机222-1转动和丝杠222-3运动与丝杠下轴承222-24长期摩擦造成零件磨损，更换零件比较繁琐。因此在选择轴套时，应选用硬度较低、耐磨性较好的材料的轴套进行保护，减少更换零件的成本。进一步地，轴套222-31还能消除装配间隙，使伸缩臂220伸缩移动更加精确。
伸缩部222-5包括底部的滑动板222-51，中部开有第二通孔222-53，第二通孔222-53的内螺纹与丝杠的外螺纹配合设置，滑动板222-51可以沿丝杆222-3上下往复运动；沿滑动板222-51的与连接板222-1平行的两侧面对称向上延伸有伸缩面222-52，滑动板222-51与伸缩面222-52相邻的端面对称开有第一凹槽222-54，垂直于每个第一凹槽222-54的中部开有第二凹槽222-55，该第二凹槽222-55内设置有伸缩部导向轴承222-56，伸缩部导向轴承222-56设有连接轴卡扣与第一凹槽222-54内。
其中，该伸缩面222-52的上端部与挡板230连接配合。
进一步地，伸缩面222-52内侧对称设有第一伸缩导向槽222-57，用于限定伸缩面222-52相对丝杠上盖222-4的运行轨迹。
当丝杠电机222-1转动时，与丝杠电机222-1机轴连接的丝杠222-3在轴套222-31内旋转，在第一伸缩导向槽222-51的导向下，伸缩面222-52沿着丝杠222-3做轴向运动，进而实现伸缩臂220的伸缩部222-5沿相对固定端221做伸缩往复运动。挡板230在伸缩臂220的带动下，可以实现调整其与室内挂机100的间距。
在一些替代性实施例中，每个伸缩面222-52的上端部向外翻折处连接面222-58，该连接面222-58用于连接伸缩臂220和挡板230。
进一步地，丝杠上盖222-4包括上盖板222-41和沿上盖板222-41底部向下延伸的圆柱形第二凸台222-42以及上盖板222-41上部设置的轴承槽；其中，在第二凸台222-42的中部开有孔槽，该孔槽内设有丝杠上轴承222-47，丝杠上轴承222-47与丝杠222-3上端部过盈配合连接。
该轴承槽包括纵向垂直于上盖板222-41且相互平行向上设置的定位板222-43，定位板222-43横向垂直伸缩面222-52，定位板222-43之间形成位于上盖板222-4中部的定位槽，定位槽横向对称轴处设有分隔板222-44，用于将定位槽分成两部分，每部分定位槽内安装有上盖导向轴承222-45，其通过轴承连接柱与定位板222-43两端部的卡槽卡合连接；上盖导向轴承222-45与第一伸缩导向槽222-57配合运动。定位板222-43的数量为两个。
进一步地，上盖板222-4的平行于定位板222-43的板面方向的两侧垂直延伸出连接块222-46，用于将丝杠上盖222-4连接固定于固定端221的矩形空腔221-2内。
在一些实施例中，固定端221的连接板221-1的端部向内设有伸缩臂转 轴221-11，与旋转电机212机轴连接，在旋转电机212的带动下，伸缩臂220可在室内挂机100的上部和下部之间移动，遮盖进风口110或者遮挡全部或者部分出风口120。
如图7所示为伸缩臂220的固定端221的示意性结构图，在固定端221的矩形空腔221-2内的下部四角处对称设有四个第一固定支脚221-21，用于将丝杠底座222-2连接固定于矩形空腔221-2内；该矩形空腔221-2内的上部对称设有第二固定支脚221-22，第二固定支脚221-22位于矩形空腔221-2的与连接板221-1相邻的两个面的内侧的中部，配置成与连接块222-46连接固定丝杠上盖222-4。也即是，两个第二固定支脚221-22位于矩形空腔221-2在长度方向上的上部，且分别位于其所在板面的的宽度方向上的中部。
该第二固定支脚221-22的下部延伸出第二伸缩导向槽221-23，用于限定伸缩臂220相对矩形空腔221-2内的运动轨迹，防止该伸缩臂220在矩形空腔221-2内的运动发生偏离，进而造成伸缩臂220伸长或者缩短时两侧不一致，使用挡板230时出现故障。
在一些替代性实施例中，本发明中的挡板组件200还包括控制箱240，该控制箱240设于底座211上部，并且该控制箱240配置成控制伸缩臂220的伸长或者缩短以及控制旋转驱动机构210带动挡板230在室内挂机100的上部至下部之间移动。
控制箱240内带有电源，由于空调室内挂机100安装位置较高，电源形式以电源线直接连接电源为最佳，避免更换电池。当然电源也可以为一次电池或者充电电池。
另一个实施例中，如图8所示为空调室内挂机100在不工作时的状态，此时，挡板230完全复位，遮挡进风口110，进而防止灰尘落入进风口110。
有一个实施例中，如图9所示为空调室内挂机100工作时的一种状态，该状态下，挡板230在旋转驱动机构210的带动下，挡板230移动至出风口120处，对挡板230进行微调，使挡板230完全或者部分遮挡出风口120，进而避免空调冷风直吹人。
再一个实施例中，如图10所示为空调连室内挂机100工作时的另一种状态，该状态下，挡板230位于室内挂机100的下部，不遮挡出风口120，挡板230平面与出风方向基本平行时，此时挡板230起到导风板的作用，进而起到辅助远距离送风。
上述室内挂机100的不同工作状态可以使用遥控器遥控，该遥控器可以替换原有遥控器来控制空调，作为空调通用遥控器。
本发明还提供了一种空调室内挂机100，包括机壳和上述的挡板组件200；机壳上开设有进风口110和出风口120，该挡板组件200可拆卸地安装于机壳，挡板组件200的旋转驱动机构可分别可拆卸地设置于机壳的两侧。
根据空调室内挂机100不同的工作状态，挡板230既可以完全遮挡进风口110，避免灰尘落入进风口110；也可以全部或者部分遮挡出风口120，从而避免空调冷风直吹人。当然，该挡板230还可以既不遮挡进风口110，也不遮挡出风口120，而是位于出风口120的下部，起到辅助远距离送风的效果。
本发明还提供了一种空调室内挂机100的控制方法，如图11所示的该控制方法的流程图，该控制方法用于前述的空调室内挂机100，包括以下步骤：
步骤S1102：空调室内挂机100开机，控制伸缩臂220伸长；使挡板230向上移动远离进风口110，显露进风口110，以供外部空气进入；
步骤S1104：按照空调室内挂机100的运行模式，调整挡板230的旋转角度以及伸缩臂220的伸出长度，以使挡板230配合送风；
步骤S1106：空调室内挂机100关机时，使挡板230旋转至进风口110上部并回缩伸缩臂220，挡板230复位，以使挡板230遮挡进风口110。
也即是，在空调室内挂机100处于开机状态下，步骤S1102和步骤S1104可受控执行，当空调室内挂机100收到关机指令后，步骤S1106可受控执行。
在步骤S1104中，当挡板230全部或部分遮挡出风口120，即可避免空调冷风直吹人；当挡板230位于室内挂机100下部，其平面与出风方向基本平行时，可以起到辅助远距离送风的作用。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (12)

  1. 一种用于空调室内挂机的挡板组件，包括：
    可拆卸地设置于所述室内挂机两侧的旋转驱动机构；
    两个伸缩臂，其固定端分别与所述旋转驱动机构连接；
    挡板，其两侧端部分别与所述伸缩臂的伸缩端连接，并且所述伸缩臂在所述旋转驱动机构的带动下转动，使得所述挡板在所述空调室内挂机的上部至下部之间移动；
    所述伸缩端在所述伸缩臂带动下调整所述挡板至所述室内挂机的间距。
  2. 根据权利要求1所述的挡板组件，其中，
    所述旋转驱动机构包括与所述室内挂机连接的底座和在所述底座内安装的旋转电机，所述旋转电机的机轴与所述固定端连接，用于带动所述伸缩臂旋转；
    所述固定端包括与所述底座外侧连接的连接板和位于所述连接板上部向所述底座方向凸出的矩形空腔；
    所述伸缩端设置于所述矩形空腔内，包括伸缩部和伸缩组件，用于实现所述伸缩臂的伸长或缩短。
  3. 根据权利要求2中所述的挡板组件，其中，
    所述伸缩组件包括丝杠电机和与所述丝杠电机机轴连接的丝杠组件；其中，
    所述丝杠组件包括与所述丝杠电机固定连接的丝杠底座和沿所述丝杠底座垂直向上依次设置的丝杠和丝杠上盖；所述丝杠径向上穿套有所述伸缩部，所述伸缩部沿所述丝杠做上下往复运动。
  4. 根据权利要求3中所述的挡板组件，其中，
    所述丝杠底座中部向上设有圆柱形的第一凸台，其中心开有第一通孔，所述第一通孔内固定有丝杠下轴承，所述丝杠下轴承过盈配合有轴套，所述丝杠电机机轴与所述丝杠的下端部在所述轴套内连接。
  5. 根据权利要求3所述的挡板组件，其中，
    所述伸缩部包括设于其底部的滑动板和沿所述滑动板的与所述连接板平行的两侧面对称向上延伸的伸缩面；
    所述滑动板中部开有第二通孔，所述第二通孔的内螺纹与所述丝杠的外螺纹配合设置；所述滑动板与所述伸缩面相邻的端面对称开有第一凹槽，垂 直于每个所述第一凹槽的中部开有第二凹槽，所述第二凹槽内设置有伸缩部导向轴承，所述伸缩部导向轴承两侧设有连接轴卡扣于所述第一凹槽内；
    所述伸缩面内侧对称设有第一伸缩导向槽，用于限定所述伸缩面相对所述丝杠上盖的运动轨迹。
  6. 根据权利要求5所述的挡板组件，其中，
    每个所述伸缩面的上端部向外翻折出连接面，用于连接所述伸缩臂和所述挡板。
  7. 根据权利要求3所述的挡板组件，其中，
    所述丝杠上盖包括上盖板和沿所述上盖板底部向下延伸的圆柱形第二凸台以及所述上盖板上部设置的轴承槽；其中，
    所述第二凸台中部开有孔槽，所述孔槽内设有丝杠上轴承，所述丝杠上轴承与所述丝杠上端部过盈配合连接；
    所述轴承槽包括纵向垂直于所述上盖板且相互平行设置的定位板，所述定位板横向垂直所述伸缩面，所述定位板之间形成位于所述上盖板中部的定位槽，所述定位槽横向对称轴处设有分隔板，用于将所述定位槽分成两部分，每部分所述定位槽内安装有所述上盖导向轴承，其通过轴承连接柱与所述定位板两端部的卡槽卡合连接；所述上盖导向轴承与所述第一伸缩导向槽配合运动。
  8. 根据权利要求7所述的挡板组件，其中，
    所述上盖板的平行于所述定位板的两侧垂直延伸出连接块，用于将所述丝杠上盖连接固定于所述固定端内。
  9. 根据权利要求2所述的挡板组件，其中，
    所述固定端的连接板的端部向内设有伸缩臂转轴，与所述旋转电机机轴连接；
    所述固定端的矩形空腔内的下部四角处设有第一固定支脚，用于将所述丝杠底座连接固定于所述矩形空腔内；所述矩形空腔内的上部对称设有第二固定支脚，所述第二固定支脚位于所述矩形空腔的与所述连接板相邻的两个面内侧的中部，配置成与所述连接块连接，用于固定连接所述丝杠上盖；
    所述第二固定支脚的下部延伸出第二伸缩导向槽，用于限定所述伸缩臂相对所述固定端的运动。
  10. 根据权利要求1至9所述的挡板组件，还包括，
    控制箱，设于所述底座上部；所述控制箱配置成控制所述伸缩臂的伸长或缩短以及控制所述旋转驱动机构带动所述挡板在所述室内挂机的上部至下部之间移动。
  11. 一种空调室内挂机，包括：
    机壳，其上开有进风口和出风口；以及
    根据权利要求1至10中任一项所述的用于空调室内挂机的挡板组件，可拆卸地安装于所述机壳，所述挡板用于遮挡所述进风口或者至少部分出风口。
  12. 一种空调室内挂机的控制方法，用于对权利要求12的空调室内挂机进行控制，并且所述控制方法包括：
    在所述空调室内挂机开机的状态下，控制所述伸缩臂伸长，使所述挡板向上移动远离所述进风口，以供外部空气进入；
    按照所述空调室内挂机的运行模式，调整所述挡板的旋转角度以及所述伸缩臂的伸出长度，以使所述挡板配合送风；
    所述空调室内挂机关机时，使所述挡板旋转至所述进风口上部并回缩所述伸缩臂，以使所述挡板覆盖所述进风口。
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