Flue gas alarm high-density fireproof valve

Through the transverse plug-in plug-in and plug-in structure, combined with the smoke detector and the electric cylinder drive system, the problem of fire valves being susceptible to environmental impact and damage to smoke failure is solved, and efficient bidirectional smoke and secondary smoke protection functions are achieved.

CN223203787UActive Publication Date: 2025-08-08JIANGSU DIMUSI VENTILATION EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422480127.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-08
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Existing fire-proof valves are susceptible to environmental conditions and dust, resulting in a decrease in smoke protection effect and the secondary smoke protection cannot be achieved after damage.

Method used

The horizontal plug-in plug-in board and plug-in board structure is adopted, combined with the smoke detector and the electric cylinder drive system, to realize the automatic sealing of the plug-in board and form a two-way smoke-proof barrier.

Benefits of technology

Effectively limit the spread of fire smoke and high-temperature flames, ensure that the fire valve can still achieve secondary smoke protection after damage, and improve the reliability and durability of the fire valve.

✦ Generated by Eureka AI based on patent content.

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Abstract

A high-density fire damper with a smoke alarm function comprises a horizontal plate and a side plate. The upper horizontal plate, the lower horizontal plate, the left longitudinal connecting plate and the right longitudinal connecting plate form a fireproof valve body. A plurality of blocking plates and a plurality of inserting plates are horizontally installed in the fireproof valve body. Rail boxes are installed on the side edges of the longitudinal connecting plates on the left side and the right side, smoke detectors are installed at the bottoms of the rail boxes, the smoke detectors are in control connection with driving switches of electric cylinders, driving ends of the electric cylinders are in transmission connection with synchronous mounting plates, and the synchronous mounting plates are vertically installed on the two sides of the inserting plate. The left and right end faces of the blocking plate are fixedly connected with the inner walls of the side plates. The transversely-inserted type inserting plate is adopted as a fireproof structure, and the inserting plate is matched with the blocking plate, so that smoke of a fire disaster and high-temperature flames can be effectively prevented from extending along the pipeline. The technical problem that a folding type fireproof valve cannot effectively prevent smoke due to the influence of environmental conditions or impurities and dust in the past is solved. Meanwhile, the two-way transverse insertion type filling structure can be used for two groups of smoke prevention and blocking procedures.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fire-fighting equipment, and in particular relates to a smoke alarm high-density fire damper. Background Art

[0002] Fire dampers are specialized firefighting devices primarily used in building ventilation and air conditioning systems. When a fire breaks out, they automatically close based on predetermined temperature or other triggering conditions, preventing the fire from spreading through the ventilation ducts and protecting people and property within the building.

[0003] Fire dampers play a vital role in fire protection systems, primarily blocking high-temperature smoke during a fire, thereby slowing the spread of fire. However, fire dampers also have some drawbacks. They are susceptible to environmental influences, and their performance can be affected by environmental conditions such as temperature, humidity, and dust. These environmental factors can cause fire damper performance to deteriorate or even fail.

[0004] Therefore, to address the above technical issues, this application utilizes a horizontally pluggable insert as a fireproofing structure. This insert, combined with a blocking plate, effectively restricts the spread of smoke and high-temperature flames along the pipe. This addresses the technical issue of hinged fire dampers being unable to effectively prevent smoke due to environmental conditions or impurities and dust. Furthermore, the bidirectional, horizontally pluggable filling structure allows for two separate smoke barrier operations, resolving the technical issue of conventional fire dampers being unable to provide secondary smoke protection once damaged. Summary of the Invention

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0006] A high-density fire damper for smoke alarms, comprising horizontal plates and side plates; a fire damper body consisting of two upper and lower sets of horizontal plates and two left and right sets of longitudinal connecting plates, wherein a plurality of blocking plates and a plurality of plug-in plates are horizontally installed in the fire damper body;

[0007] Track boxes are installed on the sides of the left and right longitudinal connecting plates. A smoke detector is installed at the bottom of the track box. The smoke detector is controlled and connected to the drive switch of the electric cylinder. The drive end of the electric cylinder is transmission-connected to the synchronous mounting plate. The synchronous mounting plate is vertically installed on both sides of the plugboard.

[0008] The left and right end surfaces of the blocking plate are fixedly connected to the inner walls of the side plates.

[0009] Furthermore, a plug is integrally extended from the inner side of the blocking plate, and the plug is inserted into the guide gap along two adjacent groups of plug plates. The plug is horizontally arranged, and several groups of plugs are arranged vertically.

[0010] Furthermore, the cross section of the plug is a trapezoidal structure, and the plug components arranged on the left and right sides are distributed in a mirror image structure along the center line of the longitudinal connecting plate.

[0011] Furthermore, the middle sections of two adjacent plug boards are connected by longitudinal connecting plates.

[0012] Furthermore, a synchronization component is installed on the synchronization mounting plate along the track box, and the synchronization component is transmission-connected to the driving end of the electric cylinder.

[0013] Furthermore, two sets of limit bars are installed transversely in the track box, and the electric cylinder is installed between the two sets of limit bars.

[0014] The beneficial effects of the utility model are:

[0015] Compared to existing technologies, this application utilizes a horizontally pluggable insert as a fireproofing structure. This insert, combined with a blocking plate, effectively restricts the spread of smoke and high-temperature flames along the pipe. This addresses the technical issue of hinged fire dampers being unable to effectively prevent smoke due to environmental conditions or impurities. Furthermore, the bidirectional, horizontally pluggable filling structure allows for two separate smoke barrier operations, resolving the technical issue of conventional fire dampers being unable to provide secondary smoke protection once damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the appearance diagram of a high-density fire damper for smoke alarm in this utility model.

[0017] Figure 2 This is a structural schematic diagram of a smoke alarm high-density fire damper smoke-proof horizontal plug-in plate assembly of the utility model.

[0018] Figure 3 This is a schematic diagram of the driving structure of a high-density fire damper plug-in plate for a smoke alarm in this utility model.

[0019] List of Figure Symbols:

[0020] 1 is the horizontal plate, 2 is the track box, 3 is the smoke detector, 4 is the plug plate, 5 is the blocking plate, 6 is the side plate, 7 is the longitudinal connecting plate, 8 is the plug, 9 is the synchronous mounting plate, 10 is the limit strip, 11 is the synchronous part, and 12 is the electric cylinder. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0022] like Figure 1 、 Figure 2 and Figure 3The figure shows a high-density smoke alarm fire damper, comprising horizontal plates and side plates. Two upper and lower sets of horizontal plates 1 and two left and right sets of longitudinal connecting plates 7 form the fire damper body, within which several blocking plates 5 and several sets of insert plates 4 are horizontally mounted. The horizontal plates 1 and longitudinal connecting plates 7 form the overall valve structure. The valve core, composed of the blocking plates 5 and several sets of insert plates 4, blocks smoke and flames. Both the blocking plates 5 and the insert plates 4 are made of high-temperature resistant and fireproof materials. Figure 1 The valve body sealing status is shown in .

[0023] Track boxes 2 are mounted on either side of the left and right longitudinal connecting plates 7. Smoke detectors 3 are mounted at their bases. These detectors are connected to the drive switch of an electric cylinder 12, which in turn is in driving connection with a synchronous mounting plate 9, which is vertically mounted on either side of the plugboard 4. The track boxes 2 guide the plugboard 4 assembly in translation, while the smoke detectors 3 are activated by the smoke concentration detected by the fire. When activated by a fire, the smoke detectors 3 control the electric cylinder 12 to move horizontally, driving the plugboard 4 assembly horizontally into the front and rear blocking plates 5, sealing the valve body and blocking smoke and flames.

[0024] The left and right end surfaces of the blocking plate 5 are fixedly connected to the inner walls of the side plates 6 .

[0025] like Figure 1 、 Figure 2 and Figure 3 As shown, a plug 8 integrally extends from the inner side of the blocking plate 5. This plug 8 is inserted into the guide gap between two adjacent groups of plug plates 4. The plugs 8 are arranged horizontally, and several groups of plugs 8 are arranged vertically. The plugs 8 fit into the guide gap between two adjacent groups of plug plates 4, thereby achieving a sealing effect. Under normal conditions, the plugs 8 utilize their own clearance to cooperate with the guide gap between two adjacent groups of plug plates 4 to guide airflow.

[0026] like Figure 1 、 Figure 2 and Figure 3 As shown, the plug 8 has a trapezoidal cross-section, with the plug 8 components arranged on the left and right sides mirrored along the centerline of the longitudinal connecting plate 7. The trapezoidal cross-section of the plug 8 facilitates the guided insertion process. The mirrored arrangement of the plug 8 components also facilitates secondary positioning and sealing of the insert plate 4.

[0027] like Figure 1 、 Figure 2 and Figure 3 As shown, the middle sections of two adjacent plugboards 4 are connected by a longitudinal connecting plate 7. The longitudinal connecting plate 7 can stabilize multiple groups of plugboards 4 and enhance the structural strength of the plugboards 4.

[0028] like Figure 1 、 Figure 2 and Figure 3 As shown, the synchronization mounting plate 9 is mounted with a synchronization member 11 along the track box 2. The synchronization member 11 is in driving connection with the driving end of an electric cylinder 12. The electric cylinder 12 is in driving connection with the synchronization member 11 via the driving end, thereby further driving the synchronization mounting plate 9 to perform forward and backward translational motion, thereby achieving the effect of controlling the position of the plug 8.

[0029] like Figure 1 、 Figure 2 and Figure 3 As shown, two sets of limit bars 10 are installed horizontally in the track box 2, and the electric cylinder 12 is installed between the two sets of limit bars 10. The limit bars 10 serve as a horizontal guide structure. Moreover, the track boxes 2 on the left and right sides are positioned at the upper and lower positions, which can provide a balanced support function.

[0030] It should be noted that the above content only illustrates the technical idea of the utility model and cannot be used to limit the protection scope of the utility model. For ordinary technicians in this technical field, they can make several improvements and modifications without departing from the principles of the utility model. These improvements and modifications all fall within the protection scope of the claims of the utility model.

Claims

1. A high-density smoke alarm fire damper, comprising a horizontal plate and a side plate; characterized by: The fire damper body is composed of two upper and lower groups of horizontal plates (1) and two left and right groups of longitudinal connecting plates (7), and a plurality of blocking plates (5) and a plurality of plug plates (4) are horizontally installed in the fire damper body; Track boxes (2) are installed on the sides of the longitudinal connecting plates (7) on both sides, and a smoke detector (3) is installed on the bottom of the track box (2). The smoke detector (3) is connected to the driving switch of the electric cylinder (12) through control. The driving end of the electric cylinder (12) is connected to the synchronous mounting plate (9) through transmission. The synchronous mounting plate (9) is vertically installed on both sides of the plug plate (4); The left and right end surfaces of the blocking plate (5) are fixedly connected to the inner wall of the side plate (6).

2. The high-density smoke alarm fire damper according to claim 1, characterized in that: A plug (8) is integrally extended from the inner side of the blocking plate (5), and the plug (8) is inserted into the guide gap along two adjacent groups of plug plates (4). The plug (8) is in a horizontal arrangement structure, and several groups of plugs (8) are in a longitudinal arrangement structure.

3. The high-density smoke alarm fire damper according to claim 2, characterized in that: The cross section of the plug (8) is a trapezoidal structure, and the plug (8) components arranged on the left and right sides are distributed in a mirror image structure along the center line of the longitudinal connecting plate (7).

4. The high-density smoke alarm fire damper according to claim 1, characterized in that: The middle sections of two adjacent plug boards (4) are connected via a longitudinal connecting plate (7).

5. The high-density smoke alarm fire damper according to claim 1, characterized in that: The synchronous mounting plate (9) is provided with a synchronous member (11) along the position of the track box (2), and the synchronous member (11) is in driving connection with the driving end of the electric cylinder (12).

6. The high-density smoke alarm fire damper according to claim 5, characterized in that: Two sets of limit bars (10) are installed transversely in the track box (2), and the electric cylinder (12) is installed between the two sets of limit bars (10).