Drying detection mechanism for suspended ceiling of elevator car

Abstract

The invention relates to the technical field of drying detection, and discloses a drying detection mechanism for an elevator car ceiling, the drying detection mechanism comprises a main body and an adjusting rod, and the front surface of the main body is fixedly connected with an air inlet pipe. The gas flowing after being guided by the bent plate can drive the gas flowing up to the detection area of the humidity detector to perform flushing flow when passing through the surface of the humidity detector, so that the rising gas flow can be forced to deflect when rising to the detection area of the humidity detector, and the gas flow flows through the bottom of the humidity detector; at the moment, the condition that water vapor in hot gas is attached to the surface of the humidity detector during rising can be reduced by scouring the surface of the humidity detector when the flowing gas is guided by the connecting plate to flow, and the condition that detection errors occur when the humidity detector detects other areas due to water vapor attachment is avoided; therefore, the detection precision of the humidity detector during detection in different areas is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of drying detection, in particular to a drying detection mechanism for an elevator car ceiling. Background Art

[0002] Elevator car ceilings are usually made of a variety of materials, such as metal (stainless steel, aluminum alloy, etc.), plastic, wood composite materials, etc., and are combined with different surface treatment processes, such as spraying and lamination. These materials and processes need to be dried during the production process to ensure the quality and appearance of the ceiling;

[0003] When conducting drying detection on the ceiling of an elevator car, the wooden material in the ceiling is generally dried by hot air, and then the detection sensor is adjusted to detect different areas in the ceiling. As the hot air dries the car ceiling, the hot air will carry away the water vapor inside the car and flow. Since the detection sensor detects the degree of drying based on the water vapor content inside the drying area when the hot air rises, when the hot air carries the water vapor up, the water vapor is likely to form water droplets on the surface of the detection sensor. When the detection sensor detects other areas, the water vapor remaining on the surface of the detection sensor is likely to cause detection errors during detection, affecting the subsequent detection accuracy. Summary of the Invention

[0004] The object of the present invention is to provide a drying detection mechanism for an elevator car ceiling to solve the problems raised in the above background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a drying detection mechanism for an elevator car ceiling, comprising a main body and an adjusting rod, wherein an air inlet pipe is fixedly connected to the front of the main body, and further comprising:

[0007] The detection component is installed on the left side of the adjustment rod and is used to detect the drying degree of the main body;

[0008] An auxiliary component is installed inside the detection component and is used to slow down the flow of gas in the detection component;

[0009] When testing the drying degree of the detection component inside the main body, the flow of gas at the bottom of the detection component will be slowed down by the auxiliary component, so that the water vapor in the gas can be fully detected by the detection component.

[0010] Furthermore, the subject includes:

[0011] The opening and closing component is installed on the side wall of the main body.

[0012] Furthermore, the detection assembly includes a hoop ring rotatably connected to the left side of the adjustment rod, and the interior of the hoop ring is slidably connected to the central axis. The detection assembly includes:

[0013] A fixing assembly is installed on the side wall of the central axis through a limiting member;

[0014] The telescopic component is installed at the bottom of the fixed component;

[0015] A deformation component is installed on the side wall of the telescopic component;

[0016] The rotating component and the deforming component are installed at the bottom of the fixed component.

[0017] Furthermore, the auxiliary component includes a connecting ear fixedly connected to the outer surface of the central shaft, and the auxiliary component includes:

[0018] A limiting component is installed at the bottom of the connecting ear;

[0019] The circulation component is installed inside the limiting component.

[0020] Furthermore, the opening and closing assembly includes a rotating grille hinged to the left and right sides of the main body, and two reinforcing plates are fixedly connected to the interior of the main body;

[0021] The limiting member includes three mounting plates fixedly connected to the outer surface, a fixing plate is provided at the bottom of the mounting plate, and the fixing plate is fixedly connected to the outer surface of the central shaft;

[0022] The fixing assembly includes an inclined rod fixedly connected to the bottom of the fixing plate;

[0023] Wherein, the bottom of the central shaft is fixedly connected with a humidity detector.

[0024] Furthermore, the telescopic assembly includes an electric telescopic rod fixedly connected to the bottom of the fixed plate, and the output end of the electric telescopic rod is rotatably connected to the L-plate;

[0025] The deformation component includes a folding plate fixedly connected to the bottom of the L-plate, and the side of the folding plate close to the inclined rod is rotatably connected to the inclined rod.

[0026] Furthermore, the side wall of the folding plate is provided with a plurality of rectangular grooves, and the side walls of the rectangular grooves are fixedly connected with a plurality of inclined plates;

[0027] The rotating assembly comprises a connecting plate which is rotatably connected to the side wall of the L-plate, and a short rod is rotatably connected to one side of the connecting plate which is away from the L-plate.

[0028] Furthermore, one end of the short rod away from the connecting plate is fixedly connected to the curved plate, and the side wall of the curved plate is fixedly connected to the outer surface of one of the oblique rods.

[0029] Furthermore, the limiting assembly includes a rectangular frame rotatably connected to the side of the connecting ear away from the central axis, and two horizontal plates are fixedly connected to the interior of the rectangular frame, and the horizontal plates are obtuse-angled;

[0030] The bottom of the rectangular frame is rotatably connected to the middle plate, one end of the middle plate away from the rectangular frame is rotatably connected to the rectangular strip, and the bottom of the rectangular strip is fixedly connected to the side wall of the folding plate.

[0031] Furthermore, a plurality of funnel tubes are fixedly connected to the interior of the mounting plate;

[0032] A plurality of funnel tubes are grouped in pairs and symmetrically arranged with one of the transverse plates;

[0033] A second rectangular groove is provided at the bottom of the funnel tube, and a curved pipe is fixedly connected to the bottom of the funnel tube on a side of the funnel tube away from the second rectangular groove;

[0034] An end of the rectangular groove away from the funnel tube penetrates the side wall of the horizontal plate;

[0035] The funnel pipe and the bent pipe are connected.

[0036] The present invention has the following beneficial effects:

[0037] 1. The present invention uses a telescopic component, a deformation component and a rotation component. When the gas flows through the guidance of the inclined plate, part of the flowing gas will be guided by the bending curvature of the curved plate, so that it can flow to a horizontal position toward the bottom of the connecting plate. At this time, the gas flowing after being guided by the curved plate can drive the gas flowing upward toward the detection area of ​​the humidity detector to flush the surface of the humidity detector when passing through the surface of the humidity detector, thereby forcing the rising airflow to be deflected when rising to the detection area of ​​the humidity detector, so that the airflow flows through the bottom of the humidity detector. At this time, the flushing of the surface of the humidity detector by the gas flowing after being guided by the connecting plate can reduce the water vapor in the hot air from adhering to the surface of the humidity detector when rising, and avoid the detection error of the humidity detector when detecting other areas due to the adhesion of water vapor, thereby improving the detection accuracy of the humidity detector when detecting different areas.

[0038] 2. The present invention uses a limiting component and a circulation component. When the gas flows through the funnel tube, part of the gas will be accelerated through the thinner channel in the middle of the funnel tube. At the same time, when the gas flows through the funnel tube, part of the gas will be blocked by the curvature of the side wall at the entrance of the funnel tube, forming dynamic pressure and reverse turbulence, which collides with the gas flowing to the entrance of the funnel tube, causing the gas to disperse when it flows to the entrance of the funnel tube. This can reduce the gas flow rate when the gas passes through the surface of the humidity detector, and allow water vapor to have a longer residence time in the detection area of ​​the humidity detector, so that more water vapor in the gas can be detected by the humidity detector, thereby reducing the situation where the humidity detector cannot capture enough water vapor signals due to excessive air flow speed, resulting in false drying misjudgment, thereby further improving the accuracy of water vapor signal capture and detection.

[0039] 3. The present invention, through the circulation component, when part of the water vapor in the gas forms a water film or water droplets in the funnel tube inlet, it can drip or flow downward through the rectangular groove 2. At the same time, the dripping or flowing water droplets can be adsorbed by the formation of negative pressure in the bent pipe and flow outward through the air flow at the funnel tube outlet. By absorbing the dripping or flowing water droplets, the formation of water droplets at the funnel tube inlet caused by the water vapor in the gas during the flow can be reduced, and the influence of the formation of water droplets on the subsequent gas flow through the funnel tube can be reduced. At the same time, it can also reduce the scattering of condensed water droplets or water films toward the humidity detector when part of the gas at the funnel tube inlet refluxes, causing the gas around the humidity detector to contain a large amount of water vapor, thereby ensuring that the airflow flows stably through the funnel tube and further enhancing the accuracy and stability of the humidity detector during detection.

[0040] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0042] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0043] Figure 2 It is a schematic diagram of the overall partial cross-sectional structure of the present invention;

[0044] Figure 3 This is a schematic diagram of the fixing assembly of the present invention;

[0045] Figure 4 For the present invention Figure 2 A in the middle is an enlarged schematic diagram;

[0046] Figure 5 This is a plan view of the limiting assembly of the present invention;

[0047] Figure 6 It is a schematic diagram of the rotating assembly of the present invention;

[0048] Figure 7 This is a schematic diagram of the limiting component of the present invention;

[0049] Figure 8 It is a schematic diagram of the gas flow planar structure of the flow component of the present invention.

[0050] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0051] In the figure: 1. Main body; 101. Air inlet pipe; 11. Opening and closing assembly; 111. Rotating grille; 112. Reinforcement plate; 2. Detection assembly; 201. Center axis; 202. Hoop ring; 21. Fixing assembly; 211. Mounting plate; 212. Fixing plate; 213. Diagonal rod; 214. Humidity detector; 22. Telescopic assembly; 221. Electric telescopic rod; 222. L-plate; 23. Deformation assembly; 231. Folding plate; 232. Rectangular groove; 233. Diagonal plate; 24. Rotating assembly; 241. Connecting plate; 242. Bending plate; 3. Auxiliary assembly; 301. Connecting ear; 31. Limiting assembly; 311. Rectangular frame; 312. Horizontal plate; 313. Middle plate; 32. Circulation assembly; 321. Funnel tube; 322. Rectangular groove 2; 323. Bend pipe; 4. Adjustment rod. DETAILED DESCRIPTION

[0052] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0053] See also Figures 1-8 As shown, the present invention is a drying detection mechanism for an elevator car ceiling, comprising a main body 1 and an adjusting rod 4, an air inlet pipe 101 being fixedly connected to the front of the main body 1, and further comprising;

[0054] Detection component 2, which is installed on the left side of the adjustment rod 4 and is used to detect the drying degree of the main body 1;

[0055] Auxiliary component 3, the auxiliary component 3 is installed inside the detection component 2 and is used to slow down the flow of gas in the detection component 2;

[0056] When the drying degree of the detection component 2 inside the main body 1 is detected, the flow of gas at the bottom of the detection component 2 will be slowed down by the auxiliary component 3, so that the water vapor in the gas can be fully detected by the detection component 2.

[0057] Body 1 includes:

[0058] The opening and closing component 11 is installed on the side wall of the main body 1.

[0059] The detection assembly 2 includes a hoop ring 202 rotatably connected to the left side of the adjustment rod 4. The hoop ring 202 is slidably connected to the center shaft 201. The detection assembly 2 includes:

[0060] The fixing assembly 21 is installed on the side wall of the central axis 201 through a limiting member;

[0061] The telescopic component 22 is installed at the bottom of the fixed component 21;

[0062] The deformation component 23 is installed on the side wall of the telescopic component 22;

[0063] The rotating component 24 and the deforming component 23 are installed at the bottom of the fixing component 21 .

[0064] The auxiliary component 3 includes a connecting ear 301 fixedly connected to the outer surface of the central shaft 201. The auxiliary component 3 includes:

[0065] The limiting component 31 is installed at the bottom of the connecting ear 301;

[0066] The circulation component 32 is installed inside the limiting component 31 .

[0067] The opening and closing assembly 11 includes a rotating grille 111 hinged on the left and right sides of the main body 1, and two reinforcing plates 112 are fixedly connected to the interior of the main body 1;

[0068] The limiting member includes three mounting plates 211 fixedly connected to the outer surface. A fixing plate 212 is provided at the bottom of the mounting plate 211. The fixing plate 212 is fixedly connected to the outer surface of the central shaft 201.

[0069] The fixing assembly 21 includes an inclined rod 213 fixedly connected to the bottom of the fixing plate 212;

[0070] Among them, a humidity detector 214 is fixedly connected to the bottom of the central shaft 201. When the central shaft 201 is moved to the position where detection is required, the electric telescopic rod 221 is started. When working, the electric telescopic rod 221 will push the bottom of the folding plate 231 to slide downward through the L plate 222.

[0071] The telescopic assembly 22 includes an electric telescopic rod 221 fixedly connected to the bottom of the fixed plate 212, and the output end of the electric telescopic rod 221 is rotatably connected to an L-plate 222;

[0072] The deformation component 23 includes a folding plate 231 fixedly connected to the bottom of the L plate 222. The folding plate 231 is rotatably connected to the inclined rod 213 on one side close to the inclined rod 213. At this time, the rectangular groove 232 opened on the side wall of the folding plate 231 will form a certain angle with the inclined plate 233 when the folding plate 231 is concavely deformed. Since the density of the hot air is low during drying, the hot air that dries and flows in the main body 1 and carries water vapor will flow upward.

[0073] The side wall of the folding plate 231 is provided with a plurality of rectangular grooves 232, and the side wall of the rectangular groove 232 is fixedly connected with a plurality of inclined plates 233, such as Figure 5 The plurality of inclined plates 233 are only provided on the top of the folding plate 231 located on the front side of the electric telescopic rod 221;

[0074] The rotating assembly 24 includes a connecting plate 241 rotatably connected to the side wall of the L-plate 222. A short rod is rotatably connected to the side of the connecting plate 241 away from the L-plate 222. When the electric telescopic rod 221 drives the L-plate 222 to slide downward, it drives the front end of the bent plate 242 to slide downward through the connecting plate 241. Since the side wall of the lower area of ​​the bent plate 242 is fixedly connected to the oblique rod 213, when the top of the bent plate 242 is pulled by the downward sliding of the connecting plate 241, the bent plate 242 can form an arc-shaped deformation.

[0075] One end of the short rod away from the connecting plate 241 is fixedly connected to the curved plate 242, and the side wall of the curved plate 242 is fixedly connected to the outer surface of one of the inclined rods 213. Part of the flowing gas will be guided by the curved arc of the curved plate 242 and can flow horizontally to the bottom of the connecting plate 241.

[0076] The limiting assembly 31 includes a rectangular frame 311 rotatably connected to the side of the connecting ear 301 away from the central axis 201. Two horizontal plates 312 are fixedly connected to the interior of the rectangular frame 311. The horizontal plates 312 are obtuse-angled.

[0077] The bottom of the rectangular frame 311 is rotatably connected to the middle plate 313, and the end of the middle plate 313 away from the rectangular frame 311 is rotatably connected to the rectangular bar. The bottom of the rectangular bar is fixedly connected to the side wall of the folding plate 231. The concave deformation in the middle of the folding plate 231 can drive the rectangular frame 311 to rotate downward through the middle plate 313.

[0078] Among them, a plurality of funnel tubes 321 are fixedly connected to the interior of the mounting plate 211;

[0079] A plurality of funnel tubes 321 are grouped in pairs and symmetrically arranged around one of the horizontal plates 312;

[0080] A second rectangular groove 322 is formed at the bottom of the funnel tube 321 , and a curved pipe 323 is fixedly connected to the bottom of the funnel tube 321 on a side of the funnel tube 321 away from the second rectangular groove 322 ;

[0081] One end of the rectangular groove 232 away from the funnel tube 321 penetrates the side wall of the horizontal plate 312;

[0082] The funnel tube 321 and the curved tube 323 are connected. When the gas flows through the funnel tube 321, part of the gas will be accelerated through the thinner channel in the middle of the funnel tube 321. At the same time, when the gas flows through the funnel tube 321, part of the gas will be blocked by the curvature of the side wall at the entrance of the funnel tube 321.

[0083] When in use, first connect the air inlet pipe 101 to the external hot air conveying equipment, then install the central shaft 201 into the hoop ring 202, and fix the central shaft 201 by installing bolts on the hoop ring 202. Then, adjust the angle between the hoop ring 202 and the adjusting rod 4 by rotating the hoop ring 202, open the rotating grille 111 on the right and place the front end of the adjusting rod 4 into the inside of the main body 1. Then, after the hot air is conveyed to the inside of the main body 1 through the external hot air conveying equipment, the main body 1 is dried by the flow of hot air. Then, by adjusting the position of the adjusting rod 4, the humidity detector 214 in the detection component 2 can detect the water vapor content in the gas in the drying area at different positions in the main body 1, thereby completing the detection of the drying degree in the car ceiling.

[0084] When the central axis 201 is moved to the position to be detected, the electric telescopic rod 221 is started. When working, the electric telescopic rod 221 pushes the bottom of the folding plate 231 to slide downward through the L plate 222. Since the two sides of the folding plate 231 are respectively connected to the inclined rod 213 for rotation, when the electric telescopic rod 221 pushes the middle part of the folding plate 231 downward through the L plate 222, the folding plate 231 will produce a concave deformation in the middle part under the condition that the two sides are restricted. At this time, the rectangular groove 232 opened on the side wall of the folding plate 231 will form a certain angle with the inclined plate 233 when the folding plate 231 is concave. When the density of hot air is low, the hot air that dries and flows in the main body 1 and carries water vapor will flow upward. At this time, part of the gas flowing upward will flow upward through the rectangular groove 232. At this time, the gas flowing upward through the rectangular groove 232 will flow obliquely upward in the direction of the humidity detector 214 under the guidance of the inclined plate 233. When the gas flows under the guidance of multiple inclined plates 233, the gas in the detection area can pass through the detection area of ​​the humidity detector 214 when flowing, so that the humidity detector 214 can detect the water vapor in the flowing gas. At the same time, when the electric telescopic rod 221 drives the L plate 222 to slide downward When the air moves, the front end of the curved plate 242 will be driven to slide downward through the connecting plate 241. Since the side wall of the lower area of ​​the curved plate 242 is fixedly connected to the inclined rod 213, when the top of the curved plate 242 is pulled by the connecting plate 241 to slide downward, the curved plate 242 can form an arc-shaped deformation. At the same time, when the air flows through the guidance of the inclined plate 233, part of the flowing air will be guided by the curvature of the curved plate 242 to flow horizontally to the bottom of the connecting plate 241. At this time, the air flowing after being guided by the curved plate 242 can drive the upward flow to the detection area of ​​the humidity detector 214. The moving gas flushes the surface of the humidity detector 214 when passing through it, thereby forcing the rising airflow to be deflected when it rises to the detection area of ​​the humidity detector 214, so that the airflow flows through the bottom of the humidity detector 214. At this time, the flushing of the surface of the humidity detector 214 by the flowing gas guided by the connecting plate 241 can reduce the water vapor in the hot air from adhering to the surface of the humidity detector 214 when rising, and avoid the situation where the humidity detector 214 has detection errors when detecting other areas due to the adhesion of water vapor, thereby improving the detection accuracy of the humidity detector 214 when detecting different areas.

[0085] When the middle part of the folding plate 231 is deformed downward, the concave deformation in the middle part of the folding plate 231 can drive the rectangular frame 311 to rotate downward through the middle plate 313. At this time, the rectangular frame 311 can form an upright state on one side of the humidity detector 214 and face the humidity detector 214. At the same time, when the gas is guided by the curved plate 242 to flow through the bottom of the humidity detector 214, the flow of the airflow will flow through the channels in the multiple funnel tubes 321. When the gas flows through the funnel tube 321, part of the gas will accelerate the flow through the thinner channel in the middle of the funnel tube 321. At the same time, when the gas flows through the funnel tube 321, part of the gas will flow in the funnel tube 321. The entrance of 21 is blocked by the curvature of the side wall at the entrance of the funnel tube 321, forming dynamic pressure and reverse turbulence, which collides with the gas flowing to the entrance of the funnel tube 321, causing the gas to disperse when it flows to the entrance of the funnel tube 321, and can reduce the gas flow rate when the gas passes through the surface of the humidity detector 214, so that the water vapor can have a certain residence time in the detection area of ​​the humidity detector 214, so that more water vapor in the gas can be detected by the humidity detector 214, thereby reducing the false dryness misjudgment caused by the humidity detector 214 being unable to capture enough water vapor signals due to the excessive air flow speed, thereby further improving the accuracy of water vapor signal capture and detection.

[0086] When part of the gas flows through the narrower area in the funnel tube 321, the flow pressure of the airflow in the narrow channel will be reduced, and a negative pressure will be formed in the area between the narrow channel and the outlet during the flow. At this time, the formation of negative pressure can generate a certain adsorption force on the gas at the tail end of the bend tube 323 through the bend tube 323. At the same time, since the gas containing water vapor flows through the funnel tube 321, the water vapor in the gas is easy to form a water film at the entrance of the funnel tube 321. When part of the water vapor in the gas forms a water film or water droplets at the entrance of the funnel tube 321, it can drip or flow downward through the rectangular groove 2 322. At the same time, the formation of negative pressure in the bend tube 323 can The water droplets are adsorbed and flow outward through the air flow at the outlet of the funnel tube 321. By absorbing the dripping or flowing water droplets, the formation of water droplets at the inlet of the funnel tube 321 caused by the water vapor in the gas during the flow can be reduced, and the stability of the subsequent gas flowing through the funnel tube 321 due to the formation of water droplets can be reduced. At the same time, it can also reduce the condensed water droplets or water film that will be scattered toward the humidity detector 214 when part of the gas at the inlet of the funnel tube 321 flows back, causing the gas around the humidity detector 214 to contain a large amount of water vapor, thereby ensuring that the airflow flows stably through the funnel tube 321 and can further enhance the accuracy and stability of the humidity detector 214 during detection.

[0087] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A drying detection mechanism for an elevator car ceiling, comprising a main body (1) and an adjusting rod (4), wherein an air inlet pipe (101) is fixedly connected to the front of the main body (1), characterized in that: Also includes; A detection component (2), the detection component (2) being installed on the left side of the adjustment rod (4) and used for detecting the degree of drying of the main body (1); An auxiliary component (3), the auxiliary component (3) being installed inside the detection component (2) and used to slow down the flow of gas in the detection component (2); When the drying degree of the detection component (2) inside the main body (1) is detected, the flow of gas at the bottom of the detection component (2) is slowed down by the auxiliary component (3), so that the water vapor in the gas can be fully detected by the detection component (2).

2. A drying detection mechanism for an elevator car ceiling according to claim 1, characterized in that: The main body (1) includes: An opening and closing assembly (11), wherein the opening and closing assembly (11) is installed on a side wall of the main body (1).

3. The drying detection mechanism for an elevator car ceiling according to claim 1, characterized in that: The detection assembly (2) comprises a hoop ring (202) rotatably connected to the left side of the adjustment rod (4), the hoop ring (202) being internally slidably connected to a central shaft (201), and the detection assembly (2) comprises: A fixing assembly (21), wherein the fixing assembly (21) is installed on a side wall of the central axis (201) through a limiting member; a telescopic assembly (22), wherein the telescopic assembly (22) is mounted on the bottom of the fixed assembly (21); A deformation component (23), wherein the deformation component (23) is mounted on a side wall of the telescopic component (22); The rotating component (24) and the deforming component (23) are installed at the bottom of the fixed component (21).

4. A drying detection mechanism for an elevator car ceiling according to claim 3, characterized in that: The auxiliary component (3) includes a connecting ear (301) fixedly connected to the outer surface of the central shaft (201), and the auxiliary component (3) includes: A limiting assembly (31), wherein the limiting assembly (31) is installed at the bottom of the connecting ear (301); A circulation component (32), wherein the circulation component (32) is installed inside the limiting component (31).

5. The drying detection mechanism for an elevator car ceiling according to claim 1, characterized in that: The opening and closing assembly (11) comprises a rotating grille (111) hinged on the left and right sides of the main body (1), and two reinforcing plates (112) are fixedly connected to the interior of the main body (1); The limiting member comprises three mounting plates (211) fixedly connected to the outer surface, a fixing plate (212) is provided at the bottom of the mounting plate (211), and the fixing plate (212) is fixedly connected to the outer surface of the central shaft (201); The fixing assembly (21) includes an inclined rod (213) fixedly connected to the bottom of the fixing plate (212); The bottom of the central shaft (201) is fixedly connected to a humidity detector (214).

6. A drying detection mechanism for an elevator car ceiling according to claim 5, characterized in that: The telescopic assembly (22) comprises an electric telescopic rod (221) fixedly connected to the bottom of the fixed plate (212), and an output end of the electric telescopic rod (221) is rotatably connected to an L-plate (222); A deformation component (23) includes a folding plate (231) fixedly connected to the bottom of the L-plate (222), and the folding plate (231) is rotatably connected to the oblique rod (213) on a side close to the oblique rod (213).

7. A drying detection mechanism for an elevator car ceiling according to claim 6, characterized in that: The side wall of the folding plate (231) is provided with a plurality of rectangular grooves (232), and the side wall of the rectangular groove (232) is fixedly connected with a plurality of inclined plates (233); The rotating assembly (24) comprises a connecting plate (241) rotatably connected to the side wall of the L-plate (222), and a short rod is rotatably connected to a side of the connecting plate (241) away from the L-plate (222).

8. The drying detection mechanism for an elevator car ceiling according to claim 7, characterized in that: One end of the short rod away from the connecting plate (241) is fixedly connected to a curved plate (242), and a side wall of the curved plate (242) is fixedly connected to the outer surface of one of the oblique rods (213).

9. The drying detection mechanism for an elevator car ceiling according to claim 4, characterized in that: The limiting assembly (31) comprises a rectangular frame (311) rotatably connected to a side of the connecting ear (301) away from the central axis (201), and two transverse plates (312) are fixedly connected inside the rectangular frame (311), and the transverse plates (312) are obtuse-angled; The bottom of the rectangular frame (311) is rotatably connected to an intermediate plate (313), and one end of the intermediate plate (313) away from the rectangular frame (311) is rotatably connected to a rectangular strip, and the bottom of the rectangular strip is fixedly connected to the side wall of the folding plate (231).

10. A drying detection mechanism for an elevator car ceiling according to claim 5, characterized in that: A plurality of funnel tubes (321) are fixedly connected to the interior of the mounting plate (211); A plurality of the funnel tubes (321) are arranged in pairs in a group and are symmetrically arranged with respect to one of the transverse plates (312); The bottom of the funnel tube (321) is provided with a second rectangular groove (322), and a curved tube (323) is fixedly connected to the bottom of the funnel tube (321) on a side of the funnel tube (321) away from the second rectangular groove (322); One end of the rectangular groove (232) away from the funnel tube (321) penetrates to the side wall of the horizontal plate (312); The funnel tube (321) and the curved tube (323) are connected.

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