Automatic fire extinguishing air valve

Abstract

The utility model discloses an automatic fire extinguishing air valve which comprises an air valve body, a water supply bin is arranged on the outer wall of the top of the air valve body, a cavity is formed in the inner wall of the water supply bin, a water inlet pipe is inserted into the outer wall of one side of the water supply bin, one end of the water inlet pipe extends into the cavity, and two temperature sensing nozzles are installed on the two sides of the inner wall of the water supply bin in a threaded mode. One end of the temperature sensing spray head extends into the cavity, an air valve actuator is arranged in the air valve body, and a temperature sensing sensor is arranged on one side of the inner wall of the air valve body. When a fire occurs in the air valve body, the glass tube at the front end of the temperature sensing spray head can automatically burst, and water in the cavity is sprayed out through the temperature sensing spray head, so that fire extinguishment in the air valve body is realized; the air valve actuator and the temperature sensor are installed on the air valve body, when the temperature sensor detects that the interior of the air valve body is on fire, the air valve actuator can be started, so that the air valve body is closed, fire hazards can be effectively eliminated in cooperation with the design of the temperature sensing spray head, and the fire extinguishing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air valves, in particular to an automatic fire extinguishing air valve. Background Art

[0002] Air valves are indispensable central air-conditioning terminal accessories in ventilation, air conditioning and air purification projects of industrial plants and civil buildings. They are generally used in air-conditioning and ventilation system pipes to adjust the air volume of branch pipes, and can also be used for mixing and adjusting fresh air and return air.

[0003] For example, an air valve with application number CN201821495381.5 and authorization announcement date 20191122 includes an air valve body with openings at the top and bottom to form a connected air duct, a flange seat arranged below the air valve body, blades and a rotating device arranged in the air valve body, the flange seat, the blades and the rotating device are respectively detachably connected to the air valve body, and the rotating device passes through the mounting hole of the air valve body and is connected to the blades to rotate the blades to open or close the air valve body. The detachably connected air valve body, rotating device, blades and flange seat are used to reduce transportation space, improve transportation capacity, and reduce transportation costs. It is a high-quality product with a simple structure.

[0004] Traditional air valve devices lack fire extinguishing function. When a fire occurs, the fire cannot be extinguished in time, resulting in damage to the air valve and increased maintenance costs for users. Therefore, it is urgent to design an automatic fire extinguishing air valve to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic fire extinguishing air valve to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An automatic fire extinguishing damper comprises a damper body, a water supply bin is provided on the top outer wall of the damper body, a cavity is provided on the inner wall of the water supply bin, a water inlet pipe is plugged into the outer wall of one side of the water supply bin, and one end of the water inlet pipe extends into the cavity, two temperature sensing nozzles are threadedly installed on both sides of the inner wall of the water supply bin, and one end of the temperature sensing nozzle extends into the cavity.

[0008] Furthermore, a damper actuator is provided inside the damper body, and a temperature sensor is provided on one side of the inner wall of the damper body.

[0009] Furthermore, flange rings are integrally formed at both ends of the air valve body and the water supply bin, and four through holes are opened on the outer wall of one side of the flange ring.

[0010] Furthermore, four limiting bolts are provided between the air valve body and the water supply bin, and the limiting bolts pass through the through holes.

[0011] In the above technical solution, the utility model provides an automatic fire extinguishing air valve, which has the following beneficial effects:

[0012] (1) Through the temperature-sensing nozzle, water inlet pipe and cavity, when a fire occurs inside the damper body, the glass tube at the front end of the temperature-sensing nozzle will automatically burst, and then the water inside the cavity will be sprayed out through the temperature-sensing nozzle to extinguish the fire inside the damper body.

[0013] (2) The damper body is provided with a damper actuator and a temperature sensor. When the temperature sensor detects a fire inside the damper body, the damper actuator will start, thereby sealing the damper body. Combined with the design of the temperature-sensing nozzle, the fire hazard can be effectively eliminated and the fire extinguishing effect can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 The present invention provides an overall structural schematic diagram of an automatic fire extinguishing air valve embodiment of the present invention.

[0016] Figure 2 A schematic diagram of the internal structure of a damper body and a water supply bin provided for an automatic fire extinguishing damper embodiment of the utility model.

[0017] Description of reference numerals:

[0018] 1. Air valve body; 2. Water supply tank; 3. Temperature sensor; 4. Air valve actuator; 5. Temperature sensing nozzle; 6. Water inlet pipe; 7. Limit bolt; 8. Flange ring; 9. Through hole; 10. Cavity. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] like Figure 1-2 As shown, an automatic fire extinguishing damper provided by an embodiment of the utility model includes a damper body 1, a water supply bin 2 is provided on the top outer wall of the damper body 1, and a cavity 10 is provided on the inner wall of the water supply bin 2, a water inlet pipe 6 is inserted into the outer wall of one side of the water supply bin 2, and one end of the water inlet pipe 6 extends into the cavity 10, two temperature sensing nozzles 5 are threadedly installed on both sides of the inner wall of the water supply bin 2, and one end of the temperature sensing nozzle 5 extends into the cavity 10.

[0021] Specifically, in this embodiment, it includes a damper body 1, a water supply bin 2 is provided on the top outer wall of the damper body 1, and a cavity 10 is provided on the inner wall of the water supply bin 2, a water inlet pipe 6 is inserted into the outer wall of one side of the water supply bin 2, and one end of the water inlet pipe 6 extends to the inside of the cavity 10, two temperature sensing nozzles 5 are threadedly installed on both sides of the inner wall of the water supply bin 2, and the model of the temperature sensing nozzle 5 is preferably ZSTX15-182℃. When a fire occurs, the glass tube at the front end of the temperature sensing nozzle 5 will automatically burst, and then the water inside the cavity 10 will be sprayed out through the temperature sensing nozzle 5 to achieve fire extinguishing inside the damper body 1, and one end of the temperature sensing nozzle 5 extends to the inside of the cavity 10.

[0022] The utility model provides an automatic fire extinguishing damper. When a fire occurs inside the damper body 1, the glass tube at the front end of the temperature sensing nozzle will automatically burst, and then the water inside the cavity 10 will be sprayed out through the temperature sensing nozzle 5 to extinguish the fire inside the damper body 1.

[0023] In one embodiment provided by the present utility model, Figure 2 As shown, a damper actuator 4 is provided inside the damper body 1, and a temperature sensor 3 is provided on one side of the inner wall of the damper body 1. The model of the temperature sensor 3 is preferably a harness temperature sensor NTC temperature probe 3950K. When the temperature sensor 3 detects a fire inside the damper body 1, the damper actuator 4 will start, thereby sealing off the damper body 1. The design of the temperature-sensing nozzle 5 can effectively eliminate fire hazards and improve the fire extinguishing effect.

[0024] In another embodiment provided by the present utility model, Figure 1-2 As shown, flange rings 8 are integrally formed at both ends of the air valve body 1 and the water supply bin 2, and four through holes 9 are opened on the outer wall of one side of the flange ring 8. The through holes 9 are convenient for the limit bolts 7 to pass through the flange ring 8. Four limit bolts 7 are arranged between the air valve body 1 and the water supply bin 2. The limit bolts 7 can connect the air valve body 1 and the water supply bin 2 together, and the limit bolts 7 pass through the through holes 9.

[0025] Example 1

[0026] An automatic fire extinguishing damper comprises a damper body 1, a water supply bin 2 is arranged on the outer wall at the top of the damper body 1, and a cavity 10 is arranged on the inner wall of the water supply bin 2, a water inlet pipe 6 is inserted into the outer wall on one side of the water supply bin 2, and one end of the water inlet pipe 6 extends to the inside of the cavity 10, two temperature sensing nozzles 5 are threadedly installed on both sides of the inner wall of the water supply bin 2, and the model of the temperature sensing nozzle 5 is preferably ZSTX15-182℃, when a fire occurs, the glass tube at the front end of the temperature sensing nozzle 5 will automatically burst, and then the water inside the cavity 10 will be sprayed out through the temperature sensing nozzle 5, so as to extinguish the fire inside the damper body 1, and one end of the temperature sensing nozzle 5 extends to the inside of the cavity 10.

[0027] Example 2

[0028] This embodiment is further limited on the basis of the embodiment 1, wherein a damper actuator 4 is provided inside the damper body 1, and a temperature sensor 3 is provided on one side of the inner wall of the damper body 1. The model of the temperature sensor 3 is preferably a harness temperature sensor NTC temperature probe 3950K. When the temperature sensor 3 detects a fire inside the damper body 1, the damper actuator 4 will start, thereby sealing off the damper body 1. The design of the temperature sensing nozzle 5 can effectively eliminate the fire hazard and improve the fire extinguishing effect. Flange rings 8 are integrally formed at both ends of the damper body 1 and the water supply bin 2, and four through holes 9 are opened on the outer wall of one side of the flange ring 8. The through holes 9 are convenient for the limit bolts 7 to pass through the flange ring 8. Four limit bolts 7 are provided between the damper body 1 and the water supply bin 2. The limit bolts 7 can connect the damper body 1 and the water supply bin 2 together, and the limit bolts 7 pass through the through holes 9.

[0029] Working principle: When a fire occurs inside the air valve body 1, the glass tube at the front end of the temperature-sensitive nozzle 5 will automatically burst, and then the water inside the cavity 10 will be sprayed out through the temperature-sensitive nozzle 5 to extinguish the fire inside the air valve body 1. At the same time, the water supply equipment connected to the water inlet pipe 6 will continue to supply water to the cavity 10. In addition, since the air valve actuator 4 and the temperature sensor 3 are installed on the air valve body 1, when the temperature sensor 3 detects that the air valve body 1 is on fire, the air valve actuator 4 will start, thereby sealing off the air valve body 1. The design of the temperature-sensitive nozzle 5 can effectively eliminate fire hazards and improve the fire extinguishing effect.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic fire extinguishing damper, comprising a damper body (1), characterized in that: A water supply bin (2) is provided on the top outer wall of the air valve body (1), and a cavity (10) is provided on the inner wall of the water supply bin (2); a water inlet pipe (6) is inserted into the outer wall of one side of the water supply bin (2), and one end of the water inlet pipe (6) extends into the cavity (10); two temperature sensing nozzles (5) are threadedly installed on both sides of the inner wall of the water supply bin (2), and one end of the temperature sensing nozzles (5) extends into the cavity (10).

2. The automatic fire extinguishing air valve according to claim 1, characterized in that: A damper actuator (4) is provided inside the damper body (1), and a temperature sensor (3) is provided on one side of the inner wall of the damper body (1).

3. The automatic fire extinguishing air valve according to claim 1, characterized in that: The air valve body (1) and the water supply bin (2) are integrally formed with flange rings (8) at both ends, and the outer wall of one side of the flange ring (8) is provided with four through holes (9).

4. The automatic fire extinguishing air valve according to claim 1, characterized in that: Four limiting bolts (7) are arranged between the air valve body (1) and the water supply bin (2), and the limiting bolts (7) pass through the through holes (9).

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