Smoke exhaust shutter device capable of being opened by dead weight

By using a gravity-operated smoke exhaust louver device, combined with meteorological monitoring and smoke sensors, a spiral electric window opener, and a counterweight, the problem of the louver device being unable to operate automatically in the event of a power outage or extreme weather is solved, thus achieving the effects of automatic smoke exhaust and wind and rain protection.

CN223523638UActive Publication Date: 2025-11-07CHINA UNIV OF MINING & TECH
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Patent Information

Application Number
CN202423013116.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-07
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing louvered devices cannot automatically open or close in the event of a fire, power outage, or extreme weather, resulting in wasted human resources and safety hazards.

Method used

Design a weight-operated smoke exhaust louver device. Utilize a meteorological monitoring device and smoke sensor to automatically control the electric closing of the louvers under extreme weather conditions. In case of fire, the louvers will open by their own weight after the power is cut off through the fire alarm linkage system. Combined with a spiral electric window opener and a counterweight, automatic operation is achieved.

Benefits of technology

The system automatically opens and closes the louvers during power outages or extreme weather, reducing waste of human resources, improving safety and reliability, and ensuring efficient smoke exhaust.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shutter devices, and discloses a shutter device capable of being opened by dead weight for smoke exhaust, which comprises a window opening and further comprises a vertical beam fixed on the inner wall of the window opening, a plurality of cross beams are symmetrically arranged on two sides of the vertical beam, and one side of each cross beam is fixedly connected on the inner wall of the window opening. In the extreme weather of wind, rain and snow, the meteorological monitoring device is electrically connected with the shutter control box, and through operation of the driving assembly, the electromagnetic block attracts and touches the balancing weight upwards under the action of magnetic force to achieve electric closing of the shutter body; the smog sensor gives an alarm and controls the shutter control box to be powered off through the fire-fighting linkage device electrically connected with the smog sensor, the spiral electric window opener does not work any more, the electromagnetic block and the balancing weight do not attract and contact any more, the shutter is opened through dead weight, the shutter control box is connected with a non-fire-fighting power source, and dead-weight opening is completed through'non-cut 'power off in emergency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a louver device technical field, concretely is a louver device for smoke exhaust that can open by self weight. BACKGROUND

[0002] In architectural design, in order to ensure indoor air quality, need to carry out air exchange through natural or mechanical ventilation system, and louver device as a part of ventilation system can adjust the air flow that enters or discharges indoor, especially when fire occurs, the smoke and harmful gas generated will cause great threat to personnel evacuation and fire rescue, and the role of smoke exhaust louver device is to quickly discharge smoke and reduce the concentration of harmful gas when fire occurs, to provide necessary conditions for personnel evacuation and fire operation.

[0003] However, the current louver device is often controlled by electrical components or manually operated when opening and closing, and power failure often occurs when fire occurs, and electric opening and closing cannot be used, and in the extreme environment of rain, snow and gale, it cannot be automatically closed, and manual operation is required, which consumes human resources. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a louver device for smoke exhaust that can open by self weight to solve the problems that louver cannot be opened to discharge smoke gas under power failure when fire occurs and manual intervention is required in rain, snow and gale.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a louver device for smoke exhaust that can open by self weight, comprising a window hole, further comprising: a vertical beam fixed to the inner wall of the window hole, a plurality of horizontal beams are symmetrically arranged on the two sides of the vertical beam, and one side of the horizontal beam is fixedly connected to the inner wall of the window hole, a louver body is installed between the vertical beam and the horizontal beam, and the louver body comprises a louver body, a stop block, an upper mounting frame, a lower mounting frame, a side mounting frame, a connecting piece one, a connecting rod, a fixed column and a counterweight block.

[0006] A drive assembly is installed on the two sides of the front of the louver body, a rain cover is arranged on the outside of the drive assembly, a slot is formed in the bottom of the outer wall of the rain cover, one side of the rain cover is fixedly installed on the inner wall of the window hole, and the other side of the rain cover is fixedly installed on one side of the vertical beam.

[0007] Preferably, the louver bodies are arranged in a straight line, the outer wall of the louver body at the top is provided with a stop block, the outer wall top of the stop block is provided with an upper mounting frame, the top of the upper mounting frame is fixedly installed on the bottom of the horizontal beam, the outer wall of the louver body at the bottom is provided with a lower mounting frame, and the bottom of the lower mounting frame is fixedly installed on the top of the horizontal beam.

[0008] Preferably, the two sides of the shutter body are provided with side mounting frames, and the two sides of the side mounting frames are fixedly installed on the inner wall of the window hole and one side of the vertical beam respectively.

[0009] Preferably, the front sides of the shutter body are fixedly connected with connecting pieces one, the inside of the connecting pieces one is rotatably connected with shaft rods, and the outer walls of the two ends of the shaft rods are fixedly connected on one side of the two side mounting frames.

[0010] Preferably, the inner walls of the two connecting pieces one are rotatably connected with connecting rods, the two ends of the connecting rods are fixedly connected with fixed columns, the outer walls of the fixed columns are slidably connected in the notches, and the front bottom of the fixed column is fixedly connected with a counterweight.

[0011] Preferably, the top of the counterweight is movably connected with an electromagnetic block, the top of the electromagnetic block is provided with a pull rope, the outer wall of the pull rope is provided with a pulling block, and the top of the pulling block is fixedly connected with a spiral electric window opener.

[0012] Preferably, the outer wall of the spiral electric window opener is fixedly connected with a fixed block, the outer walls of the two sides of the fixed block are fixedly connected with two connecting blocks, and the outer wall of the connecting block is movably connected with a limiting screw rod.

[0013] Preferably, the outer wall of the limiting screw rod is fixedly connected with a connecting piece two through a nut, one side of the connecting piece two is fixedly connected on the inner wall of the window hole, and one side of the connecting piece two on the other side of the shutter body is fixedly connected on the side wall of the vertical beam.

[0014] Preferably, the outer wall of the window hole in the room is provided with a smoke sensor, the outer wall of the window hole in the outdoor is provided with a meteorological monitoring device, the meteorological monitoring device and the shutter control box at the top of the spiral electric window opener are electrically connected through a cable, and the smoke sensor and the shutter control box are electrically connected with an external fire linkage device.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses, first in use, when encountering the extreme weather of wind and rain, meteorological monitoring device and shutter control box electric connection, through the operation of the driving assembly, electromagnetic block is attracted to the counterweight under the action of magnetic force and realizes the electric closing of shutter body, when the fire alarm, smoke sensor sends the alarm through the electric connection of fire linkage device control shutter control box and disconnects the power, spiral electric window opener no longer works, electromagnetic block and counterweight no longer attract, shutter opens by the weight, shutter control box connects non-fire power supply, under the emergency condition through " cut non " and disconnects the power, completes the opening by the weight. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1A preferred embodiment structure schematic view of the louver device for smoke exhaust which can be opened by self-weight is provided in the utility model.

[0018] Figure 2 A partial enlarged structure schematic view is provided in the utility model.

[0019] Figure 3 A louver body enlarged structure schematic view is provided in the utility model.

[0020] Figure 4 A partial enlarged structure schematic view is provided in the utility model.

[0021] Figure 5 A closed state structure schematic view is provided in the utility model.

[0022] Figure 6 An opening and closing structure schematic view is provided in the utility model.

[0023] In the drawing: 1, window hole; 2, vertical beam; 3, cross beam; 4, louver body; 401, louver body; 402, stop block; 403, upper mounting frame; 404, lower mounting frame; 405, side mounting frame; 406, connecting piece one; 407, connecting rod; 408, fixed column; 409, counterweight block; 5, driving assembly; 501, spiral electric window opener; 502, fixed block; 503, connecting block; 504, limiting screw; 505, connecting piece two; 506, pull block; 507, pull rope; 508, electromagnetic block; 6, rain cover; 7, slot; 8, smoke sensor; 9, meteorological monitoring device. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-6 As shown in the figure, a louver device for smoke exhaust which can be opened by self-weight comprises a window hole 1, further comprises: a vertical beam 2 fixed on the inner wall of the window hole 1, a plurality of cross beams 3 are symmetrically arranged on the two sides of the vertical beam 2, and one side of the cross beam 3 is fixedly connected to the inner wall of the window hole 1, the vertical beam 2 and the cross beam 3 play a supporting role, a louver body 4 is installed between the vertical beam 2 and the cross beam 3, the louver body 4 comprises a louver body 401, a stop block 402, an upper mounting frame 403, a lower mounting frame 404, a side mounting frame 405, a connecting piece one 406, a connecting rod 407, a fixed column 408 and a counterweight block 409;

[0026] The drive assembly 5 installed on both sides of the front of the louver body 4 has the function of electrically opening and closing the louver body 401. The drive assembly 5 is covered with a rain cover 6 to prevent rainwater from affecting the electronic components. The bottom of the outer wall of the rain cover 6 has a slot 7 for vertical movement. One side of the rain cover 6 is fixedly installed on the inner wall of the window opening 1, and the other side of the rain cover 6 is fixedly installed on one side of the vertical beam 2.

[0027] The louver bodies 401 are arranged in a linear array, and a stop block 402 is provided on the outer wall of the top louver body 401. An upper mounting frame 403 is provided on the top of the outer wall of the stop block 402. The top of the upper mounting frame 403 is fixedly installed on the bottom of the crossbeam 3. A lower mounting frame 404 is provided on the outer wall of the bottom louver body 401, and the bottom of the lower mounting frame 404 is fixedly installed on the top of the crossbeam 3. The multiple louver bodies 401, the stop block 402, the upper mounting frame 403 and the lower mounting frame 404 complete the closure of the louver, which achieves the effect of wind and rain protection.

[0028] Both sides of the louver body 401 are provided with side mounting frames 405, and the two sides of the side mounting frames 405 are respectively fixedly installed on the inner wall of the window opening 1 and one side of the vertical beam 2. Both sides of the front of the louver body 401 are fixedly connected with connectors 406. The inner side of the connectors 406 is rotatably connected with shafts, and the two ends of the outer walls of the shafts are fixedly connected to one side of the two side mounting frames 405, which can realize the rotation of the louver body 401 on the side mounting frames 405 to achieve the opening and closing effect.

[0029] Two connecting parts 406 are rotatably connected to the inner wall of the connecting rod 407. Both ends of the connecting rod 407 are fixedly connected to the fixing post 408. The outer wall of the fixing post 408 is slidably connected to the inside of the slot 7. The bottom front of the fixing post 408 is fixedly connected to the counterweight 409, which can achieve normal opening under its own weight. The slot 7 opened on the rain cover 6 allows the counterweight 409 to pass through. The top of the counterweight 409 is movably connected to the electromagnetic block 508. The operation of the spiral electric window opener 501 moves the lifting block 506 fixedly connected to the output end of the spiral electric window opener 501 and the pull rope 507 set inside downward to abut the counterweight 409, so that the fixing post 408 moves downward to complete the opening and closing of the louver body 401. The top of the electromagnetic block 508 is provided with the pull rope 507. The outer wall of the pull rope 507 is provided with the lifting block 506. The top of the lifting block 506 is fixedly connected to the spiral electric window opener 501.

[0030] The outer wall of the spiral electric window opener 501 is fixedly connected with a fixed block 502, the outer wall of the fixed block 502 is fixedly connected with two connecting blocks 503 on both sides, the outer wall of the connecting block 503 is movably connected with a limiting screw 504, the outer wall of the limiting screw 504 is fixedly connected with a connecting piece two 505 through a nut, one side of the connecting piece two 505 is fixedly connected with the inner wall of the window hole 1, which is the mounting structure of the driving assembly 5, and one side of the connecting piece two 505 on the other side of the louver body 401 is fixedly connected with the side wall of the vertical beam 2, which is more stable.

[0031] The outer wall of the window hole 1 in the room is provided with a smoke sensor 8, which can monitor and alarm the fire, and the outer wall of the window hole 1 in the outdoor is provided with a weather monitoring device 9, which can identify the extreme weather of wind, rain and snow. The weather monitoring device 9 is electrically connected with the louver control box at the top of the spiral electric window opener 501 through a cable, the louver body 4 is generally kept in an open state, when the extreme weather of wind, rain and snow is encountered, the weather monitoring device 9 is electrically connected with the louver control box, and the spiral electric window opener 501 is retracted under the magnetic force of the electromagnetic block 508 to complete the electric closing, and the smoke sensor 8 and the louver control box are electrically connected with the external fire-fighting linkage device, when the fire alarm, the smoke sensor 8 sends an alarm to control the louver control box to be powered off through the electrically connected fire-fighting linkage device, the spiral electric window opener 501 no longer works, the electromagnetic block 508 no longer attracts the counterweight block 409, and the louver is opened by its own weight; the louver control box is connected with a non-fire-fighting power supply, and in an emergency, the power is cut off by "cutting non-fire-fighting", and the louver is opened by its own weight.

[0032] Working principle: the inner wall of the window hole 1 is fixedly connected with the vertical beam 2, the outer wall of the vertical beam 2 is fixedly connected with a plurality of horizontal beams 3, the vertical beam 2 and the horizontal beam 3 are installed with the shutter body 4, the shutter body 4 includes shutter body 401, stop block 402, upper mounting frame 403, lower mounting frame 404, side mounting frame 405, connecting piece one 406, connecting rod 407, fixed column 408 and counterweight 409, a plurality of shutter bodies 401 and stop blocks 402, upper mounting frames 403 and lower mounting frames 404 complete the closure of the shutter to prevent wind and rain, the shutter body 401 is fixed on the side wall of the side mounting frame 405 through the connecting piece one 406 fixedly connected on the front side and the rotating connecting rotating rod arranged in the connecting piece one 406, the rotating of the shutter body 401 on the side mounting frame 405 can be realized, the opening and closing effect is realized, the inner wall of the two connecting piece one 406 is also rotatably connected with the connecting rod 407, and the two ends of the connecting rod 407 are fixedly connected with the fixed column 408, the front bottom of the fixed column 408 is fixedly connected with the counterweight 409, and the output end of the spiral electric window opener 501 is fixedly connected with the lifting block 506 and the inner arranged pulling rope 507, and the spiral electric window opener 501 is arranged on the outer wall of the spiral electric window opener 501, the fixed block 502 is fixedly connected with the connecting block 503 and the movable connecting limiting screw 504, the connecting block 503 and the movable connecting limiting screw 504 are fixedly installed on the inner wall of the window hole 1 through the nut, the rain cover 6 can prevent the rain and snow from damaging the driving assembly 5 arranged inside, the slot 7 opened on the rain cover 6 can pass through the counterweight 409, the shutter body 4 generally keeps the normal open state, can be opened by the spiral electric window opener 501, and the normal open state is completed manually or under the weight of the counterweight 409, when the extreme weather such as wind, rain and snow is encountered, the weather monitoring device 9 is electrically connected with the shutter control box, the spiral electric window opener 501 is retracted under the magnetic force of the electromagnetic block 508 to complete the electric closing, when the shutter body 4 is in the electric closing state, the smoke sensor 8 sends an alarm to control the shutter control box to be powered off through the electrically connected fire linkage device, the spiral electric window opener 501 stops working, the electromagnetic block 508 and the counterweight 409 are no longer attracted, and the shutter is opened by its own weight; the shutter control box is connected with a non-fire power supply, and in an emergency, the shutter is opened by weight through "non-cutting" power off.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0034] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A self-reopenable shutter device for smoke evacuation, comprising a window opening (1), characterized in that, Also include: Fixed in the inner wall of the window hole (1) vertical beam (2), the vertical beam (2) is symmetrically arranged on both sides of a plurality of beams (3), and one side of the beam (3) is fixedly connected to the inner wall of the window hole (1), the vertical beam (2) and the beam (3) are installed with the shutter body (4), the shutter body (4) comprises a shutter body (401), a stop block (402), an upper mounting frame (403), a lower mounting frame (404), a side mounting frame (405), a connecting piece (406), a connecting rod (407), a fixed column (408) and a counterweight (409); The driving assembly (5) is installed on both sides of the front of the shutter body (4), the outer cover of the driving assembly (5) is provided with a rain cover (6), the outer wall of the rain cover (6) is provided with a notch (7), one side of the rain cover (6) is fixedly installed on the inner wall of the window hole (1), and the other side of the rain cover (6) is fixedly installed on one side of the vertical beam (2).

2. The self-releasable louver device for smoke exhaust according to claim 1, characterized in that: The shutter body (401) is arranged in a straight line, and the outer wall of the shutter body (401) at the top is provided with a stop block (402), the outer wall of the stop block (402) is provided with an upper mounting frame (403), the top of the upper mounting frame (403) is fixedly installed on the bottom of the beam (3), the outer wall of the shutter body (401) at the bottom is provided with a lower mounting frame (404), and the bottom of the lower mounting frame (404) is fixedly installed on the top of the beam (3).

3. The self-releasable louver device for smoke exhaust according to claim 1, wherein: The shutter body (401) is arranged in a straight line, and the outer wall of the shutter body (401) at the top is provided with a stop block (402), the outer wall of the stop block (402) is provided with an upper mounting frame (403), the top of the upper mounting frame (403) is fixedly installed on the bottom of the beam (3), the outer wall of the shutter body (401) at the bottom is provided with a lower mounting frame (404), and the bottom of the lower mounting frame (404) is fixedly installed on the top of the beam (3).

4. The self-releasable louver device for smoke exhaust according to claim 1, wherein: The shutter body (401) is arranged in a straight line, and the outer wall of the shutter body (401) at the top is provided with a stop block (402), the outer wall of the stop block (402) is provided with an upper mounting frame (403), the top of the upper mounting frame (403) is fixedly installed on the bottom of the beam (3), the outer wall of the shutter body (401) at the bottom is provided with a lower mounting frame (404), and the bottom of the lower mounting frame (404) is fixedly installed on the top of the beam (3).

5. The self-releasable louver device for smoke exhaust according to claim 1, wherein: The inner wall of the two connecting pieces (406) is rotatably connected with the connecting rod (407), the two ends of the connecting rod (407) are fixedly connected with the fixed column (408), and the outer wall of the fixed column (408) is slidably connected in the notch (7), the front bottom of the fixed column (408) is fixedly connected with the counterweight (409).

6. A self-releasable smoke venting louver assembly according to claim 5, wherein: The top of the counterweight (409) is movably connected with the electromagnetic block (508), the top of the electromagnetic block (508) is provided with a pull rope (507), the outer wall of the pull rope (507) is provided with a lifting block (506), the top of the lifting block (506) is fixedly connected with the spiral electric window opener (501).

7. A self-releasable smoke venting louver assembly according to claim 6, wherein: The outer wall of the spiral electric window opener (501) is fixedly connected with the fixed block (502), the outer wall of the fixed block (502) is fixedly connected with two connecting blocks (503) on both sides, and the outer wall of the connecting block (503) is movably connected with the limiting screw (504).

8. The self-releasable smoke venting louver assembly of claim 7, wherein: The outer wall of the limiting screw rod (504) is fixedly installed with a connecting piece two (505) through a nut, one side of the connecting piece two (505) is fixedly connected to the inner wall of the window hole (1), and one side of the connecting piece two (505) located at the other side of the shutter body (401) is fixedly connected to the side wall of the vertical beam (2).

9. The self-releasable smoke venting louver assembly of claim 1, wherein: An air quality monitoring device (9) is installed on the outer wall of the window hole (1) located outdoors, the air quality monitoring device (9) is electrically connected with a shutter control box at the top of the spiral electric window opener (501) through a cable, and the smoke sensor (8) and the shutter control box are electrically connected with an external fire linkage device.