Motion detection device of water tank for air conditioner and indoor unit of air conditioner

Abstract

The utility model provides a motion detection device of a water tank for an air conditioner and an indoor unit of the air conditioner, the motion detection device comprises a base, a push-in device and an ejection device, and the base is provided with a water tank accommodating space. The base is configured to be installed on the air conditioner. The push-in device is arranged on the base and located on the front side of the water tank containing space. The push-in device is configured to push the water tank in the water tank containing space backwards. And the ejection device is arranged on the base and is configured to press a mechanical switch for controlling the water tank to move out of the shell of the air conditioner. According to the motion detection device of the water tank for the air conditioner and the indoor unit of the air conditioner, the problem of failure of the water tank spring can be solved, and the effect of ensuring the reliability of the water tank spring is achieved.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner technology, and in particular to a motion detection device for an air conditioner water tank and an indoor unit of an air conditioner. Background Technology

[0002] An air conditioner is a device that uses artificial means to regulate and control parameters such as temperature, humidity, and airflow in the indoor environment of a building. An air conditioner consists of a casing, a water tank, a spring, and a latch. The water tank is housed within the casing, and the spring and latch connect the water tank to the casing. When the latch locks the water tank, it is contained within the casing, and the spring is compressed. When the latch is released, the spring releases its elasticity, and the water tank pops out of the casing. Repeated popping of the water tank may cause the spring to fail. Therefore, it is necessary to test the spring at the factory to ensure its reliability and thus guarantee the quality of the air conditioner. Utility Model Content

[0003] In view of the above problems, this utility model is proposed to provide a motion detection device for an air conditioner water tank and an indoor unit of an air conditioner that overcomes or at least partially solves the above problems.

[0004] One objective of this invention is to solve the problem of water tank spring failure and thus ensure the reliability of the water tank spring.

[0005] Specifically, this utility model provides a motion detection device for a water tank in an air conditioner, comprising:

[0006] A base, on which a water tank is provided; the base is configured to be installed on an air conditioner.

[0007] A pushing device is disposed on the base and located in front of the water tank accommodating space; the pushing device is configured to push the water tank in the water tank accommodating space backward.

[0008] An ejection device, disposed on the base, is configured to press a mechanical switch that controls the removal of the water tank from the housing of the air conditioner.

[0009] Optionally, the ejection device includes:

[0010] An ejector frame, wherein the ejector frame is disposed on the base;

[0011] An ejector block is slidably mounted on the ejector frame; the ejector block is configured to press the mechanical switch; a first rack is provided on the ejector block;

[0012] An ejector motor is mounted on the base or the ejector frame, and a first gear that meshes with the first rack is provided on the output shaft of the ejector motor.

[0013] Optionally, the width of the water tank accommodating space is greater than the width of the water tank;

[0014] The ejection device is disposed on one side wall of the water tank accommodating space, and the side wall is provided with a motor mounting space. The ejection frame is disposed on the inner surface of the side wall.

[0015] The ejector motor is disposed within the motor mounting space;

[0016] The ejector block has a rack groove, and the first rack and the first gear are both disposed in the rack groove; the ejector block is provided with a protrusion that contacts the mechanical switch.

[0017] Optionally, the pushing device includes:

[0018] Push the slide rail in and set it on the base;

[0019] A pusher is slidably mounted on the pusher slide rail; the pusher is configured to press the water tank; a second rack is provided on the pusher;

[0020] A push-in motor is mounted on the base or the push-in slide rail, and a second gear that meshes with the second rack is provided on the output shaft of the push-in motor.

[0021] Optionally, the rear end of the pusher is provided with an anti-collision pad.

[0022] Optionally, the front wall of the water tank accommodating space is provided with a perforation for the push-in member to pass through;

[0023] The pusher is a horizontally arranged push plate;

[0024] The push plate has a clearance through hole extending in the front-to-back direction in the middle.

[0025] The second rack is disposed on the wall of the clearance through hole, and the second gear is located inside the clearance through hole; the push-in motor is disposed on the front surface of the front wall of the water tank accommodating space.

[0026] Optionally, screw holes are provided at the rear ends of the two side walls of the water tank accommodating space for connection with the support frame of the air conditioner;

[0027] At least one side wall of the water tank accommodating space has a positioning structure on its rear surface that engages with a groove or protrusion on the support frame of the air conditioner.

[0028] This utility model also provides an indoor unit for an air conditioner, comprising:

[0029] A housing having a support frame inside, the support frame being configured to mount a base for the motion detection device as described in any of the above claims; the motion detection device being configured to be mounted on the outside of the support frame;

[0030] A water tank is movably disposed within the housing;

[0031] A push-out device having a push-out spring configured to cause the water tank to be removed from the housing;

[0032] A locking mechanism is configured to lock the water tank when the water tank is inside the housing, so that the push-out spring is in a charged state; the locking mechanism has a locking spring;

[0033] A mechanical switch, drivenly connected to the locking mechanism, is configured to act on the locking mechanism to release the water tank when pressed.

[0034] Optionally, the support frame is provided with through holes so that the base can be installed on the support frame by inserting screws into the through holes and screwing them into the screw holes on the base; the support frame includes columns on both sides of the water tank, and the through holes are provided on the columns.

[0035] Optionally, a stop block is provided on the water tank;

[0036] The locking mechanism further includes a stop post, which is rotatably disposed within the housing about a vertical axis; the rear end of the stop post is located in front of the stop block; the locking spring is configured to cause the rear end of the stop post to rotate toward the water tank;

[0037] The mechanical switch is a slider that is movable back and forth inside the housing. The rear end of the slider is outside the front end of the stop post. The slider is configured to act on the outside of the front end of the stop post when it moves backward, causing the front end of the stop post to rotate toward the water tank, thereby causing the rear end of the stop post to disengage from the stop block.

[0038] This utility model discloses a motion detection device for the water tank in an air conditioner and an indoor unit of the air conditioner. The motion detection device includes a base with a water tank accommodating space inside. A pushing device and a pushing device are provided on the base. When installing the motion detection device, the base is mounted on the air conditioner. Pressing the pushing device activates a mechanical switch, which controls the water tank to move out of the air conditioner's casing. If the water tank is pushed into the water tank accommodating space, the push-out spring is effective; conversely, if the water tank cannot be moved out of the air conditioner's casing, the push-out spring is effective. The pushing device then pushes the water tank, moving it from the water tank accommodating space into the air conditioner's casing. The motion detection device detects whether the water tank can be moved out of the air conditioner's casing, thereby detecting whether the push-out spring has failed. It also checks whether the push-out spring can still operate normally after repeated ejection of the water tank. The motion detection device ensures the reliability of the water tank's push-out spring at the factory, thereby reducing the rate of defective push-out springs leaving the factory.

[0039] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0040] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0041] Figure 1 This is a schematic structural diagram of a motion detection device according to an embodiment of the present invention;

[0042] Figure 2 This is a schematic structural diagram of an ejection device according to an embodiment of the present invention;

[0043] Figure 3 This is a schematic structural diagram of a motion detection device according to an embodiment of the present invention;

[0044] Figure 4 This is a schematic structural diagram of an indoor unit of an air conditioner according to an embodiment of the present utility model;

[0045] Figure 5 This is a schematic structural diagram of an ejection device and a locking mechanism according to an embodiment of the present invention;

[0046] Figure 6 yes Figure 5 A schematic partial structural diagram of point A in the middle. Detailed Implementation

[0047] The following reference Figures 1 to 6This invention describes a motion detection device for an air conditioner water tank and an indoor unit of an air conditioner, according to embodiments of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of this invention, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0048] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0049] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "below" of the second feature can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0050] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0051] Figure 1This is a schematic structural diagram of a motion detection device according to an embodiment of the present invention, as shown below. Figure 1 As shown, and refer to Figures 2 to 6 This utility model embodiment provides a motion detection device 100 for an air conditioner water tank 50, including a base 10, a pushing device 20, and a pushing device 30. The base 10 has a water tank accommodating space 201. The base 10 is configured to be mounted on the air conditioner. The pushing device 20 is disposed on the base 10 and located in front of the water tank accommodating space 201. The pushing device 20 is configured to push the water tank 50 backward within the water tank accommodating space 201. The pushing device 30 is disposed on the base 10 and is configured to press a mechanical switch 80 that controls the removal of the water tank 50 from the air conditioner housing 40.

[0052] In this embodiment, the motion detection device 100 includes a base 10, which has a water tank accommodating space 201. A pushing device 20 and a pushing device 30 are provided on the base 10. When installing the motion detection device 100, the base 10 is mounted on the air conditioner. Pressing the pushing device 30 presses a mechanical switch 80, which controls the water tank 50 to move out of the air conditioner housing 40. If the water tank 50 is pushed into the water tank accommodating space 201, the push-out spring 610 is effective; conversely, if the water tank 50 cannot be moved out of the air conditioner housing 40, the push-out spring 610 is effective. Then, the pushing device 20 pushes the water tank 50, moving it from the water tank accommodating space 201 into the air conditioner housing 40. The motion detection device 100 detects whether the water tank 50 can be moved out of the air conditioner housing 40, thereby detecting whether the push-out spring 610 is malfunctioning. And whether the ejector spring 610 can still operate normally after the water tank 50 is repeatedly ejected. By setting the motion detection device 100, the reliability of the ejector spring 610 of the water tank 50 at the time of leaving the factory is ensured, thereby reducing the rate of defective ejector springs 610 leaving the factory.

[0053] In some embodiments of this utility model, such as Figure 2 As shown, the ejector device 30 includes an ejector frame 310, an ejector block 320, and an ejector motor 350. The ejector frame 310 is mounted on the base 10. The ejector block 320 is slidably mounted on the ejector frame 310. The ejector block 320 is configured to press a mechanical switch 80. A first rack 360 is provided on the ejector block 320. The ejector motor 350 is mounted on the base 10 or the ejector frame 310, and a first gear 370 that meshes with the first rack 360 is provided on the output shaft of the ejector motor 350.

[0054] In this embodiment, the ejector device 30 includes an ejector frame 310, which is mounted on the base 10. An ejector block 320 is slidably mounted on the ejector frame 310, and a first rack 360 is mounted on the ejector block 320. The output shaft of the ejector motor 350 is connected to a first gear 370, which meshes with the first rack 360. When the ejector device 30 is working, the ejector motor 350 runs, and its output shaft drives the first gear 370 to rotate. Through the meshing of the first gear 370 and the first rack 360, the ejector block 320 is moved. When the ejector block 320 moves closer to the mechanical switch 80, it presses the mechanical switch 80, controlling the water tank 50 to move out of the air conditioner housing 40. The gear transmission has high transmission efficiency and high reliability and stability, thus ensuring stable and reliable movement of the ejector block 320, thereby improving the reliability and stability of the motion detection device 100. Moreover, the rotation of the first gear 370 drives the ejector block 320 to move, and the ejector device 30 occupies little space, saving the production cost of the motion detection device 100.

[0055] In some embodiments of this utility model, such as Figure 1 and Figure 3 As shown, the width of the water tank accommodating space 201 is greater than the width of the water tank 50. An ejector device 30 is disposed on one side wall 202 of the water tank accommodating space 201. A motor mounting space 380 is provided on this side wall 202, and an ejector frame 310 is disposed on the inner surface of this side wall 202. An ejector motor 350 is disposed within the motor mounting space 380. The ejector block 320 has a rack groove 330, within which a first rack 360 and a first gear 370 are disposed. The ejector block 320 has a protrusion that contacts the mechanical switch 80.

[0056] In this embodiment, the ejector device 30 is disposed on a side wall 202 of the water tank accommodating space 201. An ejector frame 310 is disposed on this side wall 202, and an ejector block 320 is slidably disposed on the ejector frame 310. The ejector block 320 is provided with a rack groove 330, within which a first rack 360 and a first gear 370 meshing with the first rack 360 are disposed. The ejector block 320 is provided with a protrusion. The side wall 202 is also provided with a motor mounting space 380 for mounting an ejector motor 350, the output shaft of which is connected to the first gear 370. When the ejector device 30 is working, the ejector motor 350 drives the first gear 370 to rotate, and the first gear 370 meshes with the first rack 360, thereby moving the ejector block 320. The protrusion on the ejector block 320 presses the mechanical switch 80, causing the water tank 50 to move out of the air conditioner housing 40. The first gear 370 and the first rack 360 are disposed in the rack groove 330 of the ejector block 320, reducing the space occupied by the first gear 370 and the first rack 360, thereby saving the production cost of the ejector device 30.

[0057] In some embodiments of this utility model, such as Figure 1 and Figure 3 As shown, the pushing device 20 includes a pushing slide rail 205, a pushing member 206, and a pushing motor 208. The pushing slide rail 205 is mounted on the base 10. The pushing member 206 is slidably mounted on the pushing slide rail 205. The pushing member 206 is configured to press the water tank 50. A second rack 207 is provided on the pushing member 206. The pushing motor 208 is mounted on the base 10 or the pushing slide rail 205, and a second gear 209 that meshes with the second rack 207 is provided on the output shaft of the pushing motor 208.

[0058] In this embodiment, the pushing device 20 includes a pushing slide rail 205, a pushing member 206, and a pushing motor 208. The pushing slide rail 205 is mounted on the base 10, and the pushing member 206 is provided with a second rack 207. The pushing motor 208 is mounted on the base 10 or the pushing slide rail 205, and a second gear 209 is provided on the output shaft of the pushing motor 208. The second gear 209 meshes with the second rack 207. When the pushing device 20 is working, the pushing motor 208 drives the second gear 209 to rotate. The meshing of the second gear 209 with the second rack 207 causes the pushing member 206 to slide on the pushing slide rail 205, thereby pushing the water tank 50 from the water tank accommodating space 201 into the air conditioner housing 40. The gear transmission has high transmission efficiency and high reliability and stability, thus making the movement of the pushing member 206 stable and reliable, thereby improving the reliability and stability of the motion detection device 100.

[0059] In some embodiments of this utility model, such as Figure 1 As shown, the rear end of the push-in part 206 is provided with a bumper pad 210.

[0060] In this embodiment, a shock absorber 210 is provided on the rear end of the pusher 206. When the pusher 206 pushes the water tank 50, the shock absorber 210 is positioned between the pusher 206 and the water tank 50, preventing direct contact between them. The shock absorber 210 acts as a buffer, reducing the impact between the pusher 206 and the water tank 50, thereby preventing damage to the pusher 206 or the water tank 50, and preventing the motion detection device 100 from affecting the mass of the water tank 50.

[0061] In some embodiments of this utility model, such as Figure 1As shown, the front wall 203 of the water tank accommodating space 201 has a through hole 204 for the pusher 206 to pass through. The pusher 206 is a horizontally arranged push plate. A clearance through hole 211 extending in the front-rear direction is opened in the middle of the push plate. A second rack 207 is disposed on the hole wall of the clearance through hole 211, and a second gear 209 is located inside the clearance through hole 211. A pusher motor 208 is disposed on the front surface of the front wall 203 of the water tank accommodating space 201.

[0062] In this embodiment, a through hole 204 is provided on the front wall 203 of the water tank accommodating space 201, and the pusher 206 is a horizontal push plate. The push plate is slidably disposed through the through hole 204. A clearance through hole 211 is provided in the middle of the push plate, and a second rack 207 is disposed on the wall of the clearance through hole 211. The second gear 209 meshes with the second rack 207, that is, the second gear 209 is disposed in the clearance through hole 211. By providing the clearance through hole 211, both the second rack 207 and the second gear 209 are located within the clearance through hole 211, which makes the pusher 20 occupy less space and saves the production cost of the motion detection device 100.

[0063] In some embodiments of this utility model, such as Figure 1 As shown, the rear ends of the two side walls 202 of the water tank accommodating space 201 are provided with screw holes 212 for connection with the support frame 410 of the air conditioner. At least one side wall 202 of the water tank accommodating space 201 is provided with a positioning structure 213 that engages with a protrusion on the support frame 410 of the air conditioner.

[0064] In this embodiment, screw holes 212 are provided on the two side walls 202 of the water tank accommodating space 201. At least one side wall 202 is provided with a positioning structure 213 on the air conditioner support frame 410. When installing the motion detection device 100, the positioning structure 213 is engaged with the protrusions on the air conditioner support frame 410. Then, screws are screwed into the air conditioner support frame 410 through the screw holes 212 to fix the motion detection device 100 and the support frame 410. The connection between the motion detection device 100 and the air conditioner support frame 410 by screws is stable and reliable, ensuring the stability and safety of the connection part, thereby ensuring the operational stability of the motion detection device 100.

[0065] This utility model embodiment also provides an indoor unit 200 for an air conditioner, such as... Figures 4 to 6As shown, the device includes a housing 40, a water tank 50, a push-out device 60, a locking mechanism 70, and a mechanical switch 80. The housing 40 has a support frame 410 configured to mount the base 10 of the motion detection device 100 as described in any of the above embodiments. The motion detection device 100 is configured to be mounted on the outside of the support frame 410. The water tank 50 is movably disposed within the housing 40. The push-out device 60 has a push-out spring 610 configured to cause the water tank 50 to move out of the housing 40. The locking mechanism 70 is configured to lock the water tank 50 when it is inside the housing 40, so that the push-out spring 610 is in a charged state. The locking mechanism 70 has a locking spring 710. The mechanical switch 80 is drively connected to the locking mechanism 70 and is configured to release the locking of the water tank 50 when pressed.

[0066] In this embodiment, the indoor unit 200 of the air conditioner includes a housing 40, a water tank 50, a push-out device 60, a locking mechanism 70, and a mechanical switch 80. The housing 40 has a support frame 410, and a motion detection device 100 is connected to the outer side of the support frame 410. The water tank 50 is movably disposed within the housing 40. The push-out device 60 includes a push-out spring 610, and the locking mechanism 70 includes a locking spring 710. When the water tank 50 is inside the housing 40, the locking spring 710 locks the water tank 50, keeping it within the housing 40, at which time the push-out spring 610 is compressed. After pressing the mechanical switch 80, the locking spring 710 unlocks the vertical lock, the push-out spring 610 elastically releases, and the water tank 50 pops outward under the elasticity of the push-out spring 610. By using the ejection device 60 and the locking mechanism 70, the water tank 50 automatically pops out using the elasticity of the ejection spring and the locking spring 710. The water tank 50 can be removed from the housing 40 without manual pulling, making the ejection of the water tank 50 simple and easy for users to operate.

[0067] In some embodiments of this utility model, such as Figure 4 As shown, the support frame 410 is provided with through holes, so that the base 10 can be installed on the support frame 410 by inserting screws into the through holes and screwing them into the screw holes 212 on the base 10. The support frame 410 includes columns 411 located on both sides of the water tank 50, and through holes are provided on the columns 411.

[0068] In this embodiment, the support frame 410 consists of columns 411 on both sides of the water tank 50, each with a through hole. When installing the motion detection device 100, the through holes on the columns 411 are aligned with the screw holes 212 on the motion detection device 100. Screws pass through the through holes and screw holes 212, connecting the columns 411 and the motion detection device 100 together. This screw connection method is stable and reliable, ensuring the stability and safety of the connection between the motion detection device 100 and the support frame 410, thereby guaranteeing the operational stability of the motion detection device 100.

[0069] In some embodiments of this utility model, such as Figure 5 and Figure 6 As shown, a stop block 510 is provided on the water tank 50. The locking mechanism 70 also includes a stop post 720, which is rotatably disposed within the housing 40 about a vertical axis. The rear end of the stop post 720 is located in front of the stop block 510. The locking spring 710 is configured to cause the rear end of the stop post 720 to rotate toward the water tank 50. The mechanical switch 80 is a slider 810, which is movable back and forth within the housing 40. The rear end of the slider 810 is outside the front end of the stop post 720. The slider 810 is configured to act on the outside of the front end of the stop post 720 when moving backward, causing the front end of the stop post 720 to rotate toward the water tank 50, thereby causing the rear end of the stop post 720 to disengage from the stop block 510.

[0070] In this embodiment, a stop block 510 is provided on the water tank 50. The locking mechanism 70 also includes a stop post 720, the rotation axis of which is vertically arranged. The mechanical switch 80 is a slider 810 that can move back and forth. When the water tank 50 is inside the housing 40, the rear end of the slider 810 engages with the front end of the stop post 720, and the rear end of the stop post 720 engages with the stop block 510. When the slider 810 moves backward, the front end of the stop post 720 rotates towards the water tank 50, and the rear end of the stop post 720 moves away from the water tank 50. When the rear end of the stop post 720 disengages from the stop block 510, the water tank 50 pops out of the housing 40 under the action of the push-out spring 610. As slider 810 moves forward, the locking spring 710 causes the front end of stop post 720 to rotate away from water tank 50, while the rear end of stop post 720 rotates towards water tank 50. This causes the rear end of stop post 720 to engage with stop block 510, effectively locking water tank 50 and preventing it from popping forward. The ejection and locking mechanism of water tank 50 is simple, making ejection and locking of water tank 50 easy and convenient.

[0071] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A motion detection device for a water tank in an air conditioner, characterized in that, include: A base, on which a water tank holding space is provided; The base is configured to be mounted on an air conditioner; A pushing device is disposed on the base and located in front of the water tank accommodating space; the pushing device is configured to push the water tank in the water tank accommodating space backward. An ejection device, disposed on the base, is configured to press a mechanical switch that controls the removal of the water tank from the housing of the air conditioner.

2. The motion detection device according to claim 1, characterized in that, The ejection device includes: An ejector frame, wherein the ejector frame is disposed on the base; An ejector block is slidably mounted on the ejector frame; the ejector block is configured to press the mechanical switch; a first rack is provided on the ejector block; An ejector motor is mounted on the base or the ejector frame, and a first gear that meshes with the first rack is provided on the output shaft of the ejector motor.

3. The motion detection device according to claim 2, characterized in that, The width of the water tank accommodating space is greater than the width of the water tank; The ejection device is disposed on one side wall of the water tank accommodating space, and the side wall is provided with a motor mounting space. The ejection frame is disposed on the inner surface of the side wall. The ejector motor is disposed within the motor mounting space; The ejector block has a rack groove, and the first rack and the first gear are both disposed in the rack groove; the ejector block is provided with a protrusion that contacts the mechanical switch.

4. The motion detection device according to claim 1, characterized in that, The pushing device includes: Push the slide rail in and set it on the base; A pusher is slidably mounted on the pusher slide rail; the pusher is configured to press the water tank; a second rack is provided on the pusher; A push-in motor is mounted on the base or the push-in slide rail, and a second gear that meshes with the second rack is provided on the output shaft of the push-in motor.

5. The motion detection device according to claim 4, characterized in that, The rear end of the push-in component is provided with an anti-collision pad.

6. The motion detection device according to claim 4, characterized in that, The front wall of the water tank accommodating space is provided with a perforation for the push-in component to pass through; The pusher is a horizontally arranged push plate; The push plate has a clearance through hole extending in the front-to-back direction in the middle. The second rack is disposed on the wall of the clearance through hole, and the second gear is located inside the clearance through hole; the push-in motor is disposed on the front surface of the front wall of the water tank accommodating space.

7. The motion detection device according to claim 5, characterized in that, The rear ends of the two side walls of the water tank accommodating space are provided with screw holes for connection to the support frame of the air conditioner; At least one side wall of the water tank accommodating space has a positioning structure on its rear surface that engages with a groove or protrusion on the support frame of the air conditioner.

8. An indoor unit for an air conditioner, characterized in that, include: A housing having a support frame inside, the support frame being configured to mount a base for the motion detection device as described in any one of claims 1 to 7; the motion detection device being configured to be mounted on the outside of the support frame; A water tank is movably disposed within the housing; A push-out device having a push-out spring configured to cause the water tank to be removed from the housing; A locking mechanism is configured to lock the water tank when the water tank is inside the housing, so that the push-out spring is in a charged state; the locking mechanism has a locking spring; A mechanical switch, drivenly connected to the locking mechanism, is configured to act on the locking mechanism to release the water tank when pressed.

9. The indoor unit of the air conditioner according to claim 8, characterized in that, The support frame is provided with through holes so that the base can be installed on the support frame by inserting screws into the through holes and screwing them into the screw holes on the base; the support frame includes columns on both sides of the water tank, and the through holes are provided on the columns.

10. The indoor unit of the air conditioner according to claim 8, characterized in that, The water tank is equipped with a stop block; The locking mechanism further includes a stop post, which is rotatably disposed within the housing about a vertical axis; the rear end of the stop post is located in front of the stop block; the locking spring is configured to cause the rear end of the stop post to rotate toward the water tank; The mechanical switch is a slider that is movable back and forth inside the housing. The rear end of the slider is outside the front end of the stop post. The slider is configured to act on the outside of the front end of the stop post when it moves backward, causing the front end of the stop post to rotate toward the water tank, thereby causing the rear end of the stop post to disengage from the stop block.

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