Pressure relief opening device of fire extinguishing system

Abstract

The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to a pressure relief opening device of a fire extinguishing system, which comprises a mounting frame, a pressure relief opening device and a pressure relief opening device, the louver is arranged on one side of the mounting frame; the pressure relief door is arranged on the other side of the mounting frame, and a counterweight body is arranged on the pressure relief door; the sealing mechanism is arranged between the pressure relief door and the mounting frame and used for improving the sealing effect between the mounting frame and the pressure relief door, and the pressure relief door is connected with the mounting frame through a rotating shaft. The pressure relief door has the beneficial effects that by arranging the sealing mechanism, the sealing effect between the mounting frame and the pressure relief door can be further improved, and air flowing and external matter entering when unnecessary are further prevented; by adopting the automatic pressure relief and reset design, the device can work normally without manual intervention, so that the operation process is simplified, and the maintenance cost is reduced.

Description

Technical Field

[0001] This application belongs to the technical field of fire protection facilities, and particularly relates to a pressure relief port device for a fire extinguishing system. Background Art

[0002] An automatic pressure relief device is an essential equipment for a gas fire extinguishing system, and is generally installed on the pressure relief holes on the outer wall or inner wall of the protected area of the gas fire extinguishing system. The automatic pressure relief device is normally in a normally closed state. When a fire occurs in the protected area, after the gas fire extinguishing system is activated to release the fire extinguishing gas, the pressure in the protected area will rise rapidly. When the predetermined pressure is reached, the pressure relief port opens, and the pressure relief port automatically closes after the pressure drops. Thus, while protecting the facilities, the concentration of the fire extinguishing gas in the protected area is maintained, a certain fire extinguishing soaking time is achieved, and the fire is extinguished in time.

[0003] The patent with the publication number CN209444025U discloses a gas automatic pressure relief device, which includes a first frame and a second frame. The first frame and the second frame are arranged in parallel. The upper side wall inside the first frame is rotatably connected with a door panel through a plurality of hinges. A shutter is installed inside the second frame. A plurality of screw holes one are provided on both side surfaces of the first frame, and a plurality of screw holes two are provided on both side surfaces of the second frame.

[0004] The above patent relies on the free gravity of the door panel to automatically block the pressure relief port. Although a certain degree of movement can achieve a sealing effect to a certain extent, in the actual use process, relying on its own weight to block will still result in incomplete blocking and ultimately lead to leakage problems, which need to be improved. Summary of the Utility Model

[0005] The purpose of this application is to provide a pressure relief port device for a fire extinguishing system, which can solve the above problems.

[0006] The purpose of this application is to provide a pressure relief port device for a fire extinguishing system, including:

[0007] An installation frame, arranged on the pressure relief port of the wall;

[0008] A shutter, arranged on one side of the installation frame;

[0009] A pressure relief door, arranged on the other side of the installation frame, and a counterweight is arranged on the pressure relief door;

[0010] A sealing mechanism, arranged between the pressure relief door and the installation frame and used to improve the sealing effect between the installation frame and the pressure relief door

[0011] Wherein, the pressure relief door and the installation frame are connected by a rotating shaft.

[0012] Adopting the pressure relief port device of the above-mentioned fire extinguishing system, by setting a pressure relief door, when the internal pressure of the fire extinguishing system rises and exceeds the preset value, the pressure relief door is pushed open under the action of pressure to achieve rapid pressure relief, effectively avoiding excessive pressure in the area during fire extinguishing. Through the counterweight on the pressure relief door, after the pressure decreases, the pressure relief door can automatically close and reset. This ensures the tightness of the device when pressure relief is not required, preventing external dust, water or other sundries from entering the interior of the fire extinguishing system. At the same time, by setting a sealing mechanism, the sealing effect between the installation frame and the pressure relief door can be further improved, further preventing air flow and the entry of external substances when not necessary. In addition, due to the automatic pressure relief and reset design, the device can work normally without manual intervention, thus simplifying the operation process and reducing the maintenance cost.

[0013] Furthermore, the sealing mechanism includes:

[0014] A contact groove, inside which a detection plate is hinged;

[0015] A spring, arranged in the contact groove and in contact with the detection plate;

[0016] An adsorption structure, including a metal block arranged on the pressure relief door and an electromagnet arranged on the contact groove;

[0017] A control button, arranged in the contact groove;

[0018] Wherein, when the pressure becomes smaller, the detection plate rotates and releases the control button, and the control button controls the electromagnet to be energized and adsorbs the pressure relief door.

[0019] When the pressure inside the area remains unchanged, the detection plate does not contact the control button. At this time, the electromagnet remains energized, and the pressure relief door is adsorbed; when the pressure inside the area gradually increases, the detection plate is squeezed and rotates, gradually squeezing the spring. After the detection plate contacts the control button, the electromagnet is de-energized, the pressure relief door is no longer adsorbed and opens under the action of pressure to complete the pressure relief work; when the pressure inside the area gradually becomes smaller as the pressure is relieved, the detection plate gradually resets under the action of the spring. At this time, the electromagnet is energized again, and the pressure relief plate resets under the action of the gravity of the counterweight and is adsorbed by the electromagnet again to complete the sealing work.

[0020] In addition, the sealing structure of the present application effectively improves the sealing effect and reliability of the pressure relief port device of the fire extinguishing system through features such as dynamic detection, enhanced sealing, automated operation, rapid response and compact structure.

[0021] Furthermore: The cross-section of the contact groove is fan-shaped, and the contact groove and the detection plate are connected by a rotating shaft. A bearing is arranged on the rotating shaft, and the rotating shaft is located at the bottom of the detection plate.

[0022] The contact groove is set in a fan shape, which can effectively reduce the occupied space, make the overall design more compact, contribute to the realization of efficient function integration in a limited space, and at the same time maintain the overall beauty and neatness of the system. At the same time, the setting of the bearing can make the detection plate rotate more smoothly, effectively avoiding the problem of jamming when the detection plate rotates.

[0023] Furthermore, a plurality of counterweight cavities are provided in the counterweight body. Each counterweight cavity is provided with an addition port at the top and a discharge port at the bottom. Sealing plugs are provided on both the addition port and the discharge port.

[0024] By providing a plurality of counterweight cavities in the counterweight body, the user can adjust the overall weight of the counterweight body according to their own needs. When adding, the sealing plug on the addition port can be removed, and sand can be added through the sealing plug. When the weight needs to be reduced, the sealing plug on the discharge port can be removed to discharge the sand.

[0025] Furthermore, the installation frame is installed on the pressure relief opening of the wall through fasteners, and the fasteners are provided on each inner wall of the installation frame.

[0026] By providing fasteners on each inner wall of the installation frame, the connection between the installation frame and the wall can be ensured to be more stable, effectively resisting external forces, thereby protecting the safety of the fire extinguishing system and its internal components. And the use of fasteners can ensure that the connection between the installation frame and the wall is tight and seamless, thereby preventing leakage under high pressure. In addition, although the increase in the number of fasteners may slightly increase the installation workload, by providing fasteners on each inner wall, the uniformity and consistency of the installation process can be ensured, which makes the installation process simpler and faster, improves work efficiency, and is also convenient for subsequent disassembly and maintenance.

[0027] Furthermore, the louvers are detachably arranged on the installation frame. The louvers are located on the side facing the interior, while the pressure relief door is located on the side facing the exterior.

[0028] In this application, the louvers are set to be detachable. When cleaning, repairing or replacing is required, they can be easily removed from the installation frame, reducing the work difficulty of maintenance personnel and improving work efficiency. The louvers are located on the side facing the interior, and the pressure relief door is located on the side facing the exterior. When the internal pressure of the fire extinguishing system is too high, it can be quickly opened to release the pressure, ensuring that the direction of pressure release is away from the interior, reducing the potential impact on the interior environment and personnel, and avoiding damage to the system or more serious consequences caused by excessive internal pressure.

[0029] The beneficial effects of this application are:

[0030] 1. By setting up a sealing mechanism, the sealing effect between the installation frame and the pressure relief door can be further improved, further preventing air flow and the entry of external substances when not necessary;

[0031] 2. By adopting the automatic pressure relief and reset design, the device can work normally without manual intervention, thus simplifying the operation process and reducing the maintenance cost;

[0032] 3. By arranging a plurality of counterweight cavities in the counterweight body, the user can adjust the overall weight of the counterweight body according to their own needs. When adding weight, the sealing plug on the adding port can be removed, and sand can be added through the sealing plug. When the weight needs to be reduced, the sealing plug on the discharge port can be removed to discharge the sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic structural view of the present utility model;

[0034] Figure 2 is another schematic structural view of the present utility model;

[0035] Figure 3 is a schematic structural view of the present utility model in the opened state;

[0036] Figure 4 is the front view of the present utility model;

[0037] Figure 5 is Figure 4 a cross-sectional view taken along the A-A direction in

[0038] Figure 6 is Figure 5 an enlarged view of A in

[0039] In the figure, the reference numerals are: 100, installation frame; 110, fastener; 120, pressure relief port; 200, shutter; 300, pressure relief door; 400, counterweight body; 410, counterweight cavity; 420, adding port; 430, discharge port; 440, sealing plug; 500, sealing mechanism; 510, contact groove; 511, detection plate; 520, spring; 530, adsorption structure; 531, metal block; 532, electromagnet; 540, control button. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0041] The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of this application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are usually of the same type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / ", generally represents an "or" relationship between the associated objects before and after.

[0042] The following will combine the accompanying drawings and through specific embodiments and their application scenarios to elaborate in detail on the pressure relief port device of the fire extinguishing system provided by the embodiments of this application.

[0043] Embodiment 1:

[0044] As Figures 1 to 3 shown, the embodiments of this application provide a pressure relief port device for a fire extinguishing system, including:

[0045] An installation frame 100, which is arranged on the pressure relief port 120 of the wall;

[0046] A shutter 200, which is arranged on one side of the installation frame 100;

[0047] A pressure relief door 300, which is arranged on the other side of the installation frame 100, and a counterweight 400 is arranged on the pressure relief door 300;

[0048] A sealing mechanism 500, which is arranged between the pressure relief door 300 and the installation frame 100 and is used to improve the sealing effect between the installation frame 100 and the pressure relief door 300

[0049] Wherein, the pressure relief door 300 and the installation frame 100 are connected by a rotating shaft.

[0050] In some implementation manners of the embodiments of this application, as Figure 1As shown in the figure, for the pressure relief port device of the above-mentioned fire extinguishing system, by setting the pressure relief door 300, when the internal pressure of the fire extinguishing system rises above the preset value, the pressure relief door 300 is pushed open under the action of the pressure, realizing rapid pressure relief and effectively avoiding excessive pressure in the area during fire extinguishing. Through the counterweight 400 on the pressure relief door 300, after the pressure decreases, the pressure relief door 300 can be automatically closed and reset. This ensures the sealing performance of the device when pressure relief is not required, preventing external dust, water or other sundries from entering the interior of the fire extinguishing system. At the same time, by setting the sealing mechanism 500, the sealing effect between the installation frame 100 and the pressure relief door 300 can be further improved, further preventing air flow and the entry of external substances when not necessary. In addition, due to the automatic pressure relief and reset design, the device can work normally without manual intervention, thus simplifying the operation process and reducing the maintenance cost.

[0051] Embodiment 2:

[0052] The embodiment of the present application provides a pressure relief port device for a fire extinguishing system. In addition to including the above technical features, the pressure relief port device of the fire extinguishing system in the embodiment of the present application further includes the following technical features.

[0053] As Figures 3 to 6 shown, the sealing mechanism 500 includes:

[0054] A contact groove 510, inside which a detection plate 511 is hinged;

[0055] A spring 520, arranged in the contact groove 510 and in contact with the detection plate 511;

[0056] An adsorption structure 530, including a metal block 531 arranged on the pressure relief door 300 and an electromagnet 532 arranged on the contact groove 510;

[0057] A control button 540, arranged in the contact groove 510;

[0058] Among them, when the pressure becomes small, the detection plate 511 rotates and releases the control button 540, and the control button 540 controls the electromagnet 532 to be energized and adsorb the pressure relief door 300.

[0059] In the embodiment of the present application, when the pressure inside the area remains unchanged, the detection plate 511 does not contact the control button 540. At this time, the electromagnet 532 remains energized, and the pressure relief door 300 is adsorbed. When the pressure inside the area gradually increases, the detection plate 511 is squeezed and rotated and gradually squeezes the spring 520. After the detection plate 511 contacts the control button 540, the electromagnet 532 is de-energized, and the pressure relief door 300 is no longer adsorbed and opens under the action of the pressure to complete the pressure relief work. When the pressure inside the area gradually decreases with the pressure relief, the detection plate 511 is gradually reset under the action of the spring 520. At this time, the electromagnet 532 is energized again, and the pressure relief plate is reset under the action of the gravity of the counterweight and is adsorbed by the electromagnet 532 again to complete the sealing work.

[0060] In addition, the sealing structure of the present application effectively improves the sealing effect and reliability of the pressure relief port device of the fire extinguishing system through characteristics such as dynamic detection, enhanced sealing, automatic operation, rapid response, and compact structure.

[0061] Moreover, the cross-section of the contact groove 510 is fan-shaped, and the contact groove 510 is connected to the detection plate 511 through a rotating shaft. A bearing is provided on the rotating shaft, and the rotating shaft is located at the bottom of the detection plate 511.

[0062] In some embodiments of the present application, setting the contact groove 510 to be fan-shaped can effectively reduce the occupied space, make the overall design more compact, contribute to realizing efficient function integration in a limited space, and at the same time maintain the overall beauty and neatness of the system. At the same time, the setting of the bearing can make the detection plate 511 rotate more smoothly and effectively avoid the problem of jamming when the detection plate 511 rotates.

[0063] Embodiment 3:

[0064] The embodiment of the present application provides a pressure relief port device for a fire extinguishing system. In addition to including the above technical features, the pressure relief port device of the fire extinguishing system in the embodiment of the present application further includes the following technical features.

[0065] As Figures 1 to 3 and Figure 5 shown, a plurality of counterweight cavities 410 are provided inside the counterweight body 400. An addition port 420 is provided at the top of each counterweight cavity 410, and a discharge port 430 is provided at the bottom. Sealing plugs 440 are provided on both the addition port 420 and the discharge port 430.

[0066] In the embodiment of the present application, by providing a plurality of counterweight cavities 410 inside the counterweight body 400, the user can adjust the overall weight of the counterweight body 400 according to his own needs. When adding, the sealing plug 440 on the addition port 420 can be removed, and sand can be added through the sealing plug 440. When the weight needs to be reduced, the sealing plug 440 on the discharge port 430 can be removed to discharge the sand.

[0067] Example 4:

[0068] The present application embodiment provides a pressure relief port device for a fire extinguishing system. In addition to including the above technical features, the pressure relief port device of the fire extinguishing system in the present application embodiment further includes the following technical features.

[0069] As Figure 1 、 Figure 2 and Figure 5 shown, the installation frame 100 is installed on the pressure relief port 120 of the wall through the fasteners 110, and the fasteners 110 are provided on each inner wall of the installation frame 100.

[0070] In the embodiment of the present application, by providing the fasteners 110 on each inner wall of the installation frame 100, it can ensure that the connection between the installation frame 100 and the wall is more stable, can effectively resist external forces, thereby protecting the safety of the fire extinguishing system and its internal components. And the use of the fasteners 110 can ensure that the connection between the installation frame 100 and the wall is tight and seamless, thereby preventing leakage under high pressure. In addition, although the increase in the number of fasteners 110 may slightly increase the installation workload, by providing the fasteners 110 on each inner wall, it can ensure the uniformity and consistency of the installation process, which makes the installation process more simple and fast, improves work efficiency, and is also convenient for subsequent disassembly and maintenance.

[0071] Furthermore, the shutter 200 is detachably arranged on the installation frame 100. The shutter 200 is located on the side facing the interior, and the pressure relief door 300 is located on the side facing the exterior.

[0072] In some embodiments of the present application, in the present application, the shutter 200 is set to be detachable. When cleaning, repairing or replacing is required, it can be easily removed from the installation frame 100, reducing the work difficulty of the maintenance personnel and improving work efficiency. The shutter 200 is located on the side facing the interior, and the pressure relief door 300 is located on the side facing the exterior. When the internal pressure of the fire extinguishing system is too high, it can be quickly opened to release the pressure, ensuring that the direction of pressure release is away from the interior, reducing the potential impact on the indoor environment and personnel, and avoiding damage to the system or more serious consequences caused by excessive internal pressure.

[0073] It should be noted that in this document, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or apparatus comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or apparatus. Without further limitation, an element defined by the statement "comprising one..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in the reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0074] The embodiments of the present application have been described above with reference to the accompanying drawings. However, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Those of ordinary skill in the art, under the inspiration of the present application and without departing from the spirit and scope protected by the claims of the present application, can still make many forms, all of which fall within the protection scope of the present application.

Claims

1. A pressure relief port device for a fire extinguishing system, characterized in that: Comprising: An installation frame (100), which is arranged on the pressure relief opening (120) of the wall; A shutter (200), which is arranged on one side of the installation frame (100); A pressure relief door (300), which is arranged on the other side of the installation frame (100), and a counterweight (400) is arranged on the pressure relief door (300); A sealing mechanism (500), which is arranged between the pressure relief door (300) and the installation frame (100) and is used to improve the sealing effect between the installation frame (100) and the pressure relief door (300). Wherein, the pressure relief door (300) and the installation frame (100) are connected by a rotating shaft.

2. The pressure relief port device of a fire extinguishing system according to claim 1, characterized in that: The sealing mechanism (500) includes: A contact groove (510), inside which a detection plate (511) is hinged; A spring (520), which is arranged in the contact groove (510) and contacts the detection plate (511); An adsorption structure (530), including a metal block (531) arranged on the pressure relief door (300) and an electromagnet (532) arranged on the contact groove (510); A control button (540), which is arranged in the contact groove (510); Wherein, when the pressure becomes small, the detection plate (511) rotates and releases the control button (540), and the control button (540) controls the electromagnet (532) to be energized and adsorbs the pressure relief door (300).

3. The pressure relief port device of a fire extinguishing system according to claim 2, characterized in that: The cross-section of the contact groove (510) is fan-shaped, and the contact groove (510) and the detection plate (511) are connected by a rotating shaft. A bearing is arranged on the rotating shaft, and the rotating shaft is located at the bottom of the detection plate (511).

4. The pressure relief port device of a fire extinguishing system according to claim 1, characterized in that: A plurality of counterweight cavities (410) are arranged in the counterweight (400). An addition port (420) is arranged at the top of each counterweight cavity (410), and a discharge port (430) is arranged at the bottom. Sealing plugs (440) are arranged on both the addition port (420) and the discharge port (430).

5. The pressure relief port device of a fire extinguishing system according to claim 1, characterized in that: The installation frame (100) is installed on the pressure relief opening (120) of the wall through fasteners (110), and the fasteners (110) are arranged on each inner wall of the installation frame (100).

6. The pressure relief port device of a fire extinguishing system according to claim 5, characterized in that: The shutter (200) is detachably arranged on the installation frame (100). The shutter (200) is located on the side facing the interior, and the pressure relief door (300) is located on the side facing the exterior.

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