Rainwater-sensing fresh air shutter capable of being opened and closed automatically

By combining a rain sensor and a stepper motor, the opening and closing of the fresh air louver blades are automatically controlled, solving the problem that traditional fresh air louvers cannot close in time during rainfall. This achieves automatic rainwater shut-off, improving the practicality of the equipment and the efficiency of installation and disassembly.

CN224108340UActive Publication Date: 2026-04-10ZHUHAI JIAN DE ELECTRIC & MECHANICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional ventilation louvers cannot close in time during rainfall, causing rainwater to seep into the room through the gaps, resulting in damp walls and floors and affecting the building's usability.

Method used

The system uses a rain sensor and a stepper motor to automatically control the opening and closing of the blades. The rain sensor detects rainfall and drives the stepper motor to rotate the rotating bar and connecting plate, thus automatically closing the blades. Combined with the fixing components, it enables quick installation and disassembly.

Benefits of technology

It enables the blades to automatically close during rainfall to prevent rainwater from entering the room, while ensuring ventilation and improving the efficiency of equipment installation and dismantling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fresh air shutters, and discloses a rainwater sensing automatic opening and closing fresh air shutter which comprises a frame, a rotating block is rotationally connected in the frame, blades are fixedly connected to the side wall of the rotating block, an adjusting assembly is arranged in the frame, and a fixing assembly is arranged on the side wall of the frame. The adjusting assembly comprises a connecting plate, the side wall of the connecting plate is slidably connected to the interior of the frame, the side wall of the rotating block is rotatably connected to the side wall of the connecting plate, a stepping motor is fixedly connected to the interior of the frame, and the output end of the stepping motor is fixedly connected with a first rotating strip. According to the automatic blade opening and closing device, when rainfall is detected through the rainwater sensor, a signal is sent to the stepping motor, the first rotating strip is driven to rotate, the second rotating strip is driven to rotate, the rotation of the second rotating strip can push the connecting plate to slide in the frame and drive the rotating block to rotate, then the blades are closed, and the effect of automatically opening and closing the blades is achieved; through the structure, the practicability of the equipment is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fresh louver, especially to rainwater response automatic switch fresh louver. BACKGROUND

[0002] In the building ventilation system, fresh louver as an important ventilation component can effectively regulate indoor and outdoor air circulation, guarantee indoor air quality, and has functions such as protection and sunshade, and is widely used in residential, commercial buildings and public facilities. With the continuous improvement of people's requirements for living and working environment comfort and the in-depth development of intelligent building concept, higher standards are put forward for the functionality and automation degree of fresh louver.

[0003] Traditional fresh louver mostly adopts manual control opening and closing mode, and relies on manual operation of the rotation angle of the blade to adjust the ventilation volume and protection state. The mechanical structure mainly consists of a frame, a blade and a rotating shaft, the blade is connected with the frame through the rotating shaft, and the blade is driven to rotate around the rotating shaft by the handle or the handle, so as to realize opening or closing.

[0004] The traditional fresh louver cannot close the blade in time when it rains due to the lack of effective rainwater response and automatic control, rainwater is easy to flow into the indoor through the gap of the opened louver, which causes the indoor wall and floor to be wet, and brings many inconveniences and potential risks to the building use, so the rainwater response automatic switch fresh louver is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a rainwater response automatic switch fresh louver, which aims at improving the problem that the existing technology cannot close the blade in time when it rains, rainwater is easy to flow into the indoor through the gap of the opened louver, which causes the indoor wall and floor to be wet, and brings many inconveniences to the building use.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] The rainwater response automatic switch fresh louver comprises a frame, a rotating block rotatably connected in the frame, a blade fixedly connected to the side wall of the rotating block, an adjusting assembly arranged in the frame, and a fixing assembly arranged on the side wall of the frame.

[0008] The adjusting assembly comprises a connecting plate, the connecting plate is slidably connected to the inner side wall of the frame, the rotating block is rotatably connected to the side wall of the connecting plate, a stepping motor is fixedly connected to the inner side wall of the frame, a rotating strip one is fixedly connected to the output end of the stepping motor, a rotating strip two is rotatably connected to the side wall of the rotating strip one, and one end of the rotating strip two is rotatably connected to the side wall of the connecting plate.

[0009] As a further description of the above technical solutions:

[0010] The fixing assembly comprises a fixing block and a mounting frame, the inner wall of the mounting frame is slidably connected to the side wall of the frame, the side wall of the frame is fixedly connected with a fixing sleeve, and the side wall of the fixing block is fixedly connected to the back of the fixing sleeve.

[0011] As a further description of the above technical solutions:

[0012] The front of the frame is fixedly connected with a rain sensor, and the rain sensor cooperates with the stepping motor to realize automatic opening and closing of the blades.

[0013] As a further description of the above technical solutions:

[0014] The mounting frame is internally provided with a slot, and the side wall of the fixing block is slidably connected to the inside of the slot.

[0015] As a further description of the above technical solutions:

[0016] The inside of the fixing block is fixedly connected with a fixing seat, and the inside of the fixing block is slidably connected with a clamping block.

[0017] As a further description of the above technical solutions:

[0018] The inside of the fixing block is provided with a spring, one end of the spring is fixedly connected to the side wall of the fixing seat, and the other end of the spring is fixedly connected to the side wall of the clamping block.

[0019] As a further description of the above technical solutions:

[0020] The side wall of the clamping block is slidably connected to the inside of the slot.

[0021] As a further description of the above technical solutions:

[0022] The front of the fixing sleeve is fixedly connected with a handle, and the handle is used for disassembling and assembling the frame.

[0023] The utility model has the following beneficial effects:

[0024] 1、In the utility model, when the rain sensor detects rainfall, a signal is sent to the stepping motor, driving the rotating strip I to rotate, driving the rotating strip II to rotate, the rotation of the rotating strip II can push the connecting plate to slide in the frame, driving the rotating block to rotate, and then making the blades close, realizing the automatic opening and closing of the blades, solving the problem that the new air louver cannot close the blades in time when dealing with rainy weather, rainwater easily flows into the room through the gap of the opened louver, causing the indoor wall and floor to be damp, and bringing many inconveniences to the use of buildings, and the practicability of the equipment is improved through the above structure.

[0025] 2. The utility model discloses a frame is installed through the fixed cover and the installation frame through holding the handle, and the frame side wall is matched with the installation frame inner wall, when the fixed block is aligned with the slot in the installation frame, the fixed block is inserted into the slot, in the insertion process, the clamping block is extruded by the inner wall of the slot, and the compression spring slides to the fixed block inside, when the fixed block is completely inserted into the slot, the clamping block pops out under the elastic force of the spring and is clamped into the slot, realize the connection of frame and installation frame, thereby the fresh louver is stably installed at the required position, reaches the quick installation effect. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three -dimensional schematic view of the rainwater response automatic switch fresh louver of the utility model;

[0027] Figure 2 It is the structure schematic view of the frame back of the rainwater response automatic switch fresh louver of the utility model;

[0028] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0029] Figure 4 It is the structure schematic view of the installation frame of the rainwater response automatic switch fresh louver of the utility model;

[0030] Figure 5 It is the structure schematic view of the fixed cover back of the rainwater response automatic switch fresh louver of the utility model;

[0031] Figure 6 It is Figure 5 The enlarged view of B in the middle.

[0032] Legend:

[0033] 1, frame, 2, rotating block, 3, louver, 4, stepper motor, 5, rotating strip one, 6, rotating strip two, 7, connecting plate, 8, rainwater sensor, 9, fixed cover, 10, handle, 11, installation frame, 12, slot, 13, fixed block, 14, fixed seat, 15, spring, 16, clamping block. DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0035] Refer to Figures 1-3The utility model provides a kind of embodiment provided by the utility model: rainwater response automatic switch new fresh louver, including frame 1, frame 1 inside rotatably connected with rotating block 2, rotating block 2 is used to connect blade 3 and provide rotating fulcrum, so that blade 3 can rotate and realize the function of ventilation or closing, rotating block 2 side wall is fixedly connected with blade 3, frame 1 inside is provided with adjusting assembly, frame 1 side wall is provided with fixed component, adjusting assembly includes connecting plate 7, connecting plate 7 side wall is slidably connected in frame 1 inside, connecting plate 7 is used to transmit power of step motor 4 to rotating block 2, and play the role of force transmission, rotating block 2 side wall is rotatably connected in connecting plate 7 side wall, connecting plate 7 is rotated with rotating block 2, reach the effect of adjusting blade 3 opening and closing angle, frame 1 inside is fixedly connected with step motor 4, step motor 4 output end is fixedly connected with rotating strip one 5, rotating strip one 5 side wall is rotatably connected with rotating strip two 6, rotating strip two 6 one end is rotatably connected in connecting plate 7 side wall, rotating strip one 5 cooperates rotating strip two 6 and is linked, and the circular motion of step motor 4 is converted into the linear sliding of connecting plate 7, reaches the effect of transmission and control blade 3 action, frame 1 front is fixedly connected with rainwater sensor 8, rainwater sensor 8 is used to monitor rainfall situation in real time, can be quickly, sensitively sensed rainwater, for existing equipment, not too much here, rainwater sensor 8 and step motor 4 cooperate to realize the automatic opening and closing of blade 3, effectively block rainwater into indoor, while guaranteeing the purpose of ventilation effect;

[0036] Refer to Figures 4-6 , fixed component includes fixed block 13 and mounting frame 11, mounting frame 11 is used to provide the basic carrier connected with building structure, mounting frame 11 inner wall is slidably connected in frame 1 side wall, reaches the effect of convenient frame 1 installation and disassembly, so that device later maintenance is more convenient, frame 1 side wall is fixedly connected with fixed sleeve 9, fixed block 13 side wall is fixedly connected in fixed sleeve 9 back, mounting frame 11 inside is provided with slot 12, slot 12 is used to cooperate with fixed block 13, and provides the insertion positioning space for fixed block 13, fixed block 13 side wall is slidably connected in slot 12 inside, fixed block 13 cooperates slot 12 and carries out insertion and extraction movement, reaches the purpose of quick installation and disassembly frame 1, fixed block 13 inside is fixedly connected with fixed seat 14, fixed block 13 inside is slidably connected with clamping block 16, fixed block 13 is provided with spring 15, spring 15 one end is fixedly connected in fixed seat 14 side wall, spring 15 other end is fixedly connected in clamping block 16 side wall, spring 15 acts as to provide elastic force for clamping block 16, so that it can automatically pop in and pop out slot 12, clamping block 16 side wall is slidably connected in slot 12 inside, clamping block 16 cooperates with slot 12, realizes the fixation of frame 1, fixed sleeve 9 front is fixedly connected with handle 10, handle 10 is used to disassemble frame 1, by holding handle 10, frame 1 can be more labor-savingly pushed or pulled, reaches the effect of convenient operation, improves installation and disassembly efficiency.

[0037] Working principle: when the device is used, the external weather condition is monitored in real time by the rain sensor 8, when the rain sensor 8 detects the rainfall, a signal is sent to the stepping motor 4, the stepping motor 4 starts to drive the rotating bar 1 5 to rotate after receiving the signal, when the rotating bar 1 5 rotates, the rotating bar 2 6 is driven to rotate, the rotation of the rotating bar 2 6 can drive the connecting plate 7 to slide in the frame 1, the side wall of the connecting plate 7 is connected with the rotating block 2, the rotating block 2 is fixedly connected with the blade 3, so the sliding of the connecting plate 7 drives the rotating block 2 to rotate, and then the blade 3 is closed to prevent rainwater from entering the indoor, when the rain stops, the rain sensor 8 sends a signal to the stepping motor 4 again, the stepping motor 4 reversely rotates to drive the rotating bar 1 5, the rotating bar 2 6 and the connecting plate 7 to move reversely, so that the blade 3 is opened, the ventilation function of the fresh air louver is restored, the automatic opening and closing effect is realized, when the fresh air louver is installed, first, the installation frame 1 1 is pre-installed in the building, then the frame 1 is installed through the fixed sleeve 9 and the installation frame 1 1 by holding the handle 10, when the fixed block 1 3 is aligned with the slot 1 2, the fixed block 1 3 is inserted into the slot 1 2, in the insertion process, the clamping block 1 6 is extruded by the inner wall of the slot 1 2, the compression spring 1 5 slides to the inside of the fixed block 1 3, when the fixed block 1 3 is completely inserted into the slot 1 2, the clamping block 1 6 is popped out under the elastic force of the spring 1 5 and is clamped into the slot 1 2, so that the frame 1 and the installation frame 1 1 are fixedly connected, so that the fresh air louver is stably installed at the required position, when disassembling, the frame 1 is pulled outwards by holding the handle 10, the clamping block 1 6 is extruded and compressed into the fixed block 1 3 again, so that the fixed block 1 3 slides out of the slot 1 2, and the disassembly operation is completed.

[0038] Finally, it should be pointed out that: the above only preferred embodiments of the utility model and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement is carried out to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rain-sensing automatic opening new-fresh louver, comprising a frame (1), characterized in that: The frame (1) is internally rotatably connected with a rotating block (2), the side wall of the rotating block (2) is fixedly connected with a blade (3), the frame (1) is internally provided with an adjusting assembly, and the side wall of the frame (1) is provided with a fixing assembly. The adjusting assembly comprises a connecting plate (7), the side wall of the connecting plate (7) is slidably connected in the frame (1), the side wall of the rotating block (2) is rotatably connected to the side wall of the connecting plate (7), the frame (1) is fixedly connected with a stepping motor (4), the output end of the stepping motor (4) is fixedly connected with a rotating strip one (5), the side wall of the rotating strip one (5) is rotatably connected with a rotating strip two (6), and one end of the rotating strip two (6) is rotatably connected to the side wall of the connecting plate (7).

2. The rain sensor automatic switch new-fresh louver according to claim 1, characterized in that: The fixing assembly comprises a fixing block (13) and a mounting frame (11), the inner wall of the mounting frame (11) is slidably connected to the side wall of the frame (1), the side wall of the frame (1) is fixedly connected with a fixing sleeve (9), and the side wall of the fixing block (13) is fixedly connected to the back of the fixing sleeve (9).

3. The rain sensor automatic switch new-fresh louver according to claim 1, characterized in that: The front of the frame (1) is fixedly connected with a rain sensor (8), and the rain sensor (8) cooperates with the stepping motor (4) to realize automatic opening and closing of the blade (3).

4. The rain sensor automatic switch new-fresh louver according to claim 2, characterized in that: The mounting frame (11) is internally provided with a slot (12), and the side wall of the fixing block (13) is slidably connected in the slot (12).

5. The rain sensor automatic switch new-fresh louver according to claim 4, characterized in that: The fixing block (13) is internally fixedly connected with a fixing seat (14), and the fixing block (13) is slidably connected with a clamping block (16).

6. The rain sensor automatic switch new-fresh louver according to claim 5, characterized in that: The fixing block (13) is internally provided with a spring (15), one end of the spring (15) is fixedly connected to the side wall of the fixing seat (14), and the other end of the spring (15) is fixedly connected to the side wall of the clamping block (16).

7. The rain sensor automatic switch new-fresh louver according to claim 6, characterized in that: The side wall of the clamping block (16) is slidably connected in the slot (12).

8. The rain sensor automatic switch new-fresh louver according to claim 2, characterized in that: The front of the fixing sleeve (9) is fixedly connected with a handle (10), and the handle (10) is used for disassembling the frame (1).