Ventilation shutter opening and closing state detection device

Abstract

The utility model relates to a ventilation shutter opening and closing state detection device, and relates to the field of fans. The shutter comprises a base, shutters used for shielding an air duct are arranged on the base in a turnover mode, wing plates arranged on the shutters are included, a supporting plate is arranged on the base, when the shutters are closed, the wing plates and the supporting plate are close to each other, in the shutter opening process, the wing plates are driven to be gradually away from the supporting plate, and a trigger switch is arranged between the wing plates and the supporting plate. The trigger switch is used for being electrically connected with the controller. The opening and closing state of the shutter can be detected.

Description

Technical Field

[0001] The present application relates to the field of fans, and in particular to a device for detecting the opening and closing status of ventilation louvers. Background Art

[0002] In the ventilation system, ventilation louvers are important components for controlling the opening and closing of air ducts. Their opening and closing status directly affects the ventilation effect and safety. Traditional methods for detecting the opening and closing status of louvers rely on manual inspection, which is not only inefficient but also prone to errors. Therefore, it is particularly important to develop a device that can automatically detect the opening and closing status of louvers. Utility Model Content

[0003] In order to detect the opening and closing status of blinds, the present application provides a ventilation blind opening and closing status detection device.

[0004] The present application provides a ventilation shutter opening and closing state detection device adopts the following technical solution:

[0005] A ventilation shutter opening and closing state detection device comprises a base, on which shutters for blocking air ducts are flippably arranged, including wing plates arranged on the shutters, and a support plate is arranged on the base. When the shutters are closed, the wing plates and the support plates are close to each other, and when the shutters are opened, the wing plates are driven to gradually move away from the support plates. A trigger switch is arranged between the wing plates and the support plates, and the trigger switch is used to be electrically connected to a controller.

[0006] By adopting the above technical solution, the wing plate on the louver and the support plate on the fan, as well as the trigger switch between the two, realize the automatic detection of the opening and closing state of the louver. This design simplifies the detection mechanism, does not require complex sensors or mechanical structures, reduces costs and improves reliability.

[0007] When the blinds are closed, the wing plate and the support plate are close to each other, the trigger switch is activated, and a signal is sent to the controller, realizing real-time feedback of the status. Similarly, when the blinds are opened, the wing plate moves away from the support plate, the trigger switch status changes, and the controller receives the signal change, thereby knowing the status change of the blinds.

[0008] Optionally, the trigger switch is fixedly connected to the support plate, and a push block for pushing the trigger switch to trigger is provided on the wing plate.

[0009] By adopting the above technical solution, the trigger switch is fixedly connected to the support plate, and a push block is arranged on the wing plate, which further clarifies the trigger mechanism. The design of the push block makes the trigger process more direct and reliable, and reduces the possibility of false triggering.

[0010] This design makes the installation and maintenance of the trigger switch more convenient, and also improves the stability and durability of the entire detection device.

[0011] Optionally, two support plates are provided, and a trigger switch is fixedly connected to both support plates. When the shutter is closed, the push block on the wing plate pushes the trigger switch on one of the support plates. When the shutter is fully opened, the push block on the wing plate pushes the trigger switch on the other support plate.

[0012] By adopting the above technical solution, two support plates are arranged on the fan, and a trigger switch is installed on each support plate, so that accurate detection of the two states of the shutter being fully closed and fully opened is realized. When the shutter is closed, the push block abuts the first trigger switch; when the shutter is fully opened, the push block abuts the second trigger switch. This dual-point detection mechanism improves the detection effect of the device.

[0013] Optionally, the push block is provided with a first pushing surface and a second pushing surface, the first pushing surface is used to push the trigger switch corresponding to the closed position of the shutter, and the second pushing surface is used to push the trigger switch corresponding to the open position of the shutter, the first pushing surface presses the trigger switch along its own flipping direction, the second pushing surface is an arc surface, and the second pushing surface presses the corresponding trigger switch along the radial direction of the rotation trajectory.

[0014] By adopting the above technical solution, a first push surface and a second push surface are set on the push block, which are used to push the trigger switches at different positions respectively, thereby further optimizing the trigger mechanism. The plane design of the first push surface enables the switch to be stably triggered when the blinds are closed; the second push surface is an arc surface, and when the blinds are opened to a certain angle range, the second push surface can push the corresponding trigger switch to indicate that the blinds are open.

[0015] Optionally, the trigger switch is a micro switch or a proximity sensor, and the proximity sensor is configured for contactless detection.

[0016] By adopting the above technical solution, it is clear that the type of trigger switch can be a micro switch or a proximity sensor, which provides more options for design. The micro switch has the advantages of simple structure and sensitive response; while the proximity sensor can achieve non-contact detection, avoiding mechanical wear and failure.

[0017] This flexibility allows designers to choose the most appropriate trigger switch type based on specific application scenarios and requirements.

[0018] Optionally, a status indicator light is included, which is electrically connected to the controller and is used to display different colors or flashing modes according to the open or closed state of the blinds.

[0019] By adopting the above technical solution, adding a status indicator light and electrically connecting it to the controller, an intuitive display of the opening and closing status of the blinds is achieved. The status indicator light can display different colors or flashing modes according to the open or closed status of the blinds, providing intuitive visual feedback to the user, so that the user can more intuitively understand the current status of the blinds.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] 1. The wing plate on the louver and the support plate on the fan, as well as the trigger switch between the two, realize the automatic detection of the opening and closing status of the louver. This design simplifies the detection mechanism, does not require complex sensors or mechanical structures, reduces costs and improves reliability;

[0022] 2. Two support plates are set on the fan, and a trigger switch is installed on each support plate, which realizes the accurate detection of the two states of the shutter being fully closed and fully opened. When the shutter is closed, the push block abuts the first trigger switch; when the shutter is fully opened, the push block abuts the second trigger switch. This dual-point detection mechanism improves the detection effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of Example 1 of the present application.

[0024] Figure 2 It is a structural schematic diagram of the embodiment of the present application for reflecting the driving component.

[0025] Figure 3 It is a structural schematic diagram of the wing plate and the support plate used in Example 1 of the present application.

[0026] Figure 4 It is a structural diagram of a trigger switch used in Example 1 of the present application.

[0027] Figure 5 It is a schematic diagram of the structure of the wing plate and the support plate used in Example 2 of the present application.

[0028] Figure 6 It is a structural diagram of a trigger switch used in Example 2 of the present application.

[0029] Explanation of the reference numerals: 1. base; 11. shutter; 12. rotating shaft; 13. driving assembly; 2. wing plate; 21. support plate; 22. trigger switch; 23. first push surface; 24. second push surface; 25. push block. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-6 This application is described in further detail.

[0031] Example 1

[0032] The present application embodiment discloses a device for detecting the opening and closing status of ventilation shutters. Figure 1 and Figure 2 The ventilation shutter opening and closing state detection device comprises a base 1, on which an air duct is arranged. A shutter 11 is flippably mounted on the base 1, for blocking or opening the air duct on the base 1. A rotating shaft 12 is fixedly connected to the shutter 11, and the shutter 11 is rotatably connected to the base 1 through the rotating shaft 12. A driving component 13 for driving the rotating shaft 12 is arranged in the base 1.

[0033] like Figure 3 and Figure 4 The louver 11 is fixedly mounted with a wing plate 2 on the rotating shaft 12, and the wing plate 2 rotates as the louver 11 flips. A support plate 21 is fixedly mounted on the base 1, and the position of the support plate 21 corresponds to the position of the wing plate 2 when the louver 11 is closed. A trigger switch 22 is mounted on the support plate 21, and the trigger switch 22 is used to connect to the controller to transmit an electrical signal. When the louver 2 flips to press the trigger switch 22, the trigger switch 22 generates an electrical signal and transmits it to the controller so that the operator can determine whether the louver 11 is fully closed.

[0034] Specifically, when the blinds 11 are in the closed state, the flaps 2 and the support plate 21 are close to each other, and the distance between them reaches the trigger condition of the trigger switch 22. At this time, the trigger switch 22 is activated and sends a signal to the controller through an electrical connection, indicating that the blinds 11 are currently in the closed state. As the blinds 11 are gradually opened, the flaps 2 also move accordingly, gradually moving away from the support plate 21, until the trigger switch 22 is no longer triggered, and the controller receives a signal change, indicating that the blinds 11 have changed from the closed state to the open state.

[0035] The trigger switch 22 is mounted on the support plate 21 by screws or other fixing methods to ensure its stability and reliability during operation. The trigger switch can be a micro switch or a contactless proximity sensor. In the embodiment of the present application, the trigger switch 22 is a micro switch.

[0036] Example 2

[0037] like Figure 5 and Figure 6 On the basis of Embodiment 1, this embodiment further improves the arrangement of the trigger switch 22. Specifically, two support plates 21 are provided on the base 1, and the trigger switch 22 is fixedly mounted on both support plates 21. When the shutter 11 is closed, the push block 25 on the wing plate 2 abuts against the trigger switch 22 on one of the support plates 21, indicating that the shutter 11 is in a closed state. As the shutter 11 gradually opens, the push block 25 continues to move until it abuts against the trigger switch 22 on the other support plate 21, indicating that the shutter 11 is fully opened.

[0038] The push block 25 is provided with a first push surface 23 and a second push surface 24. The first push surface 23 is a plane, and is used to directly push the trigger switch 22 when the shutter 11 is closed. The second push surface 24 is an arc surface, and this shape is designed to smoothly press the trigger switch 22 along the radial direction of the rotation trajectory when the shutter 11 is fully opened, so that the shutter 11 can press the trigger switch 22 within a preset opening angle.

[0039] Example 3

[0040] In order to more intuitively display the open or closed state of the blinds 11, this embodiment adds a status indicator light (not shown in the figure) to the device. The indicator light is electrically connected to the controller and displays different colors or flashing modes according to the received signal, that is, the open or closed state of the blinds 11. For example, when the blinds 11 are closed, the indicator light is red and always on; when the blinds 11 are open, the indicator light turns green and flashes, thereby providing intuitive visual feedback to the user.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A ventilation shutter opening and closing state detection device, comprising a base (1), on which a shutter (11) for shielding an air duct is rotatably arranged, characterized in that: The invention comprises a wing plate (2) arranged on the shutter (11); a support plate (21) is arranged on the base (1); when the shutter (11) is closed, the wing plate (2) and the support plate (21) are close to each other; when the shutter (11) is opened, the wing plate (2) is driven to gradually move away from the support plate (21); a trigger switch (22) is arranged between the wing plate (2) and the support plate (21); the trigger switch (22) is used to be electrically connected to a controller.

2. A ventilation shutter opening and closing state detection device according to claim 1, characterized in that: The trigger switch (22) is fixedly connected to the support plate (21), and a push block (25) for pushing the trigger switch (22) to trigger is provided on the wing plate (2).

3. A ventilation shutter opening and closing state detection device according to claim 2, characterized in that: Two support plates (21) are provided, and a trigger switch (22) is fixedly connected to each of the two support plates (21); when the shutter (11) is closed, the push block (25) on the wing plate (2) pushes the trigger switch (22) on one of the support plates (21); and when the shutter (11) is fully opened, the push block (25) on the wing plate (2) pushes the trigger switch (22) on the other support plate (21).

4. A ventilation shutter opening and closing state detection device according to claim 3, characterized in that: The push block (25) is provided with a first push surface (23) and a second push surface (24); the first push surface (23) is used to push the trigger switch (22) corresponding to the closed position of the shutter (11); the second push surface (24) is used to push the trigger switch (22) corresponding to the open position of the shutter (11); the first push surface (23) presses the trigger switch (22) along its own flipping direction; the second push surface (24) is an arc surface, and the second push surface (24) presses the corresponding trigger switch (22) along the radial direction of the rotation trajectory.

5. A ventilation shutter opening and closing state detection device according to any one of claims 1 to 4, characterized in that: The trigger switch (22) is a micro switch or a proximity sensor, and the proximity sensor is configured for contactless detection.

6. A ventilation shutter opening and closing state detection device according to claim 1, characterized in that: It comprises a status indicator light which is electrically connected to the controller and is used to display different colors or flashing modes according to the open or closed state of the blinds (11).

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