Direct-connection centrifugal fire-fighting smoke exhaust fan box

Abstract

The utility model discloses a direct connection centrifugal type fire-fighting smoke exhaust fan box which comprises a box body, a guide assembly is arranged in the box body, a protection assembly is arranged on one side of the box body, installation assemblies are arranged on the two sides of the box body, and parts of the installation assemblies are arranged at one end of the box body. According to the invention, a plurality of blades can be driven to rotate, so that the suction amount of smoke emission can be ensured, the emission efficiency can be further ensured, and by setting a protection effect, the entering smoke can be filtered and harmful substances in the smoke can be decomposed when the smoke is guided to be emitted, so that the blades can be prevented from being protected; and pollution to the environment during emission can also be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust fan boxes, in particular to a direct-connected centrifugal fire-fighting smoke exhaust fan box. Background Art

[0002] With the development of urban construction, high-rise buildings are increasing day by day. Once a fire occurs in a building, the importance of the fire smoke exhaust system is self-evident. As a smoke exhaust device, the centrifugal fire smoke exhaust fan box is widely used in fire smoke exhaust systems such as various civil buildings and industrial plants. The fire smoke exhaust fans in these buildings are required to operate continuously for 30 minutes without abnormal phenomena when the airflow is not less than 280℃. In order to better ensure the fire smoke exhaust effect, a direct-connected centrifugal fire smoke exhaust fan box is needed.

[0003] For example, a direct-connected centrifugal fire smoke exhaust fan box disclosed in Chinese patent publication number CN218439885U can utilize the centrifugal motion of the impeller to convert the mechanical energy of the impeller into the mechanical energy of the gas, and has higher efficiency, smaller volume, and higher cost performance.

[0004] However, the above device has certain shortcomings in actual use. Although the centrifugal motion of the impeller can be used to convert the mechanical energy of the impeller into the mechanical energy of the gas, when discharging smoke, the suction force of the discharge is subject to certain limitations, that is, if the smoke is large, the suction efficiency is slow, and when the smoke is transported, the blades will be damaged because the smoke contains some harmful substances. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a direct-connected centrifugal fire smoke exhaust fan box to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A direct-connected centrifugal fire smoke exhaust fan box comprises a box body, a guide component is arranged inside the box body, a protection component is arranged on one side of the box body, installation components are arranged on both sides of the box body, and part of the installation component is arranged at one end of the box body.

[0008] Furthermore, in order to better ensure the guiding effect of the smoke, the guiding assembly includes a motor, the motor is arranged inside the box, a first support frame is arranged on the motor, a first rotating rod is arranged on the two output shafts of the motor through a coupling, a first rotating rod is arranged on the first rotating rod, and a synchronous belt is sleeved on the first pulley.

[0009] Furthermore, in order to better ensure the suction volume of the discharge, a second pulley is connected to the synchronous belt, a second rotating rod is provided on the second pulley, a plurality of second support frames are provided on the second rotating rod, and a first guide blade and a second guide blade are provided on the first rotating rod and the second rotating rod.

[0010] Furthermore, a first guide cover and a second guide cover are arranged on both sides of the box body, and the first guide cover and the second guide cover are respectively arranged on the periphery of the two first guide blades.

[0011] Furthermore, in order to better ensure the protective effect of the guide blades, the protective assembly includes a third rotating rod, which is arranged at one end of one of the first guide blades. A plurality of filter screens are arranged on the inner wall of the first guide cover, and cleaning plates are arranged on both sides of the filter screens. One end of the cleaning plate is arranged on the third rotating rod.

[0012] Furthermore, in order to better ensure the delivery effect of the treatment solution, the protection component also includes a delivery pump, which is arranged inside the box body, and the input end of the delivery pump is connected to an input pipe, one end of the input pipe extends from the inside of the box body to the outside of the box body, and a storage box is arranged at the end of the input pipe located outside the box body, and the output end of the delivery pump is connected to an output pipe, one end of the output pipe extends from the inside of the box body to the outside of the box body, and a spray head is arranged at one end of the output pipe located outside the box body, and one end of the spray head extends from the outside of the first guide cover to the inside of the first guide cover.

[0013] Furthermore, in order to better ensure the installation effect of the box, the installation component includes a mounting frame, which is symmetrically arranged on both sides of the box. One end of the box is symmetrically provided with movable grooves, and a mounting frame is connected in the movable groove. The mounting frame is provided with multiple fixing bolts.

[0014] The beneficial effects of the utility model are as follows: by setting a guide component, multiple blades can be driven to rotate when the fire smoke is discharged, thereby ensuring the intake amount of the smoke discharge and further ensuring the discharge efficiency; by setting a protective effect, when the smoke is guided and discharged, the incoming smoke can be filtered and harmful substances in the smoke can be decomposed, thereby avoiding the need to protect the blades and also avoiding pollution to the environment during discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model 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 of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1This is a schematic diagram of a direct-connected centrifugal fire smoke exhaust fan box structure according to an embodiment of the utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of a direct-connected centrifugal fire smoke exhaust fan box structure according to an embodiment of the utility model. Figure 2 ;

[0018] Figure 3 It is a schematic cross-sectional structure diagram of a direct-connected centrifugal fire smoke exhaust fan box according to an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of a direct-connected centrifugal fire smoke exhaust fan chassis guide assembly structure according to an embodiment of the utility model. Figure 1 ;

[0020] Figure 5 This is a schematic diagram of a direct-connected centrifugal fire smoke exhaust fan chassis guide assembly structure according to an embodiment of the utility model. Figure 2 ;

[0021] Figure 6 This is a schematic diagram of a direct-connected centrifugal fire smoke exhaust fan chassis protection component structure according to an embodiment of the utility model. Figure 1 ;

[0022] Figure 7 This is a schematic diagram of a direct-connected centrifugal fire smoke exhaust fan chassis protection component structure according to an embodiment of the utility model. Figure 2 ;

[0023] Figure 8 The utility model is a schematic diagram of the structure of a direct-connected centrifugal fire smoke exhaust fan chassis installation component according to an embodiment of the utility model.

[0024] Reference numerals:

[0025] 1. Box body; 2. Guide assembly; 201. Motor; 202. First support frame; 203. First rotating rod; 204. First pulley; 205. Synchronous belt; 206. Second pulley; 207. Second rotating rod; 208. Second support frame; 209. First guide blade; 210. Second guide blade; 211. First guide cover; 212. Second guide cover; 3. Protection assembly; 301. Third rotating rod; 302. Filter; 303. Cleaning plate; 304. Delivery pump; 305. Input pipe; 306. Storage box; 307. Output pipe; 308. Spray head; 4. Installation assembly; 401. Installation frame; 402. Installation frame; 403. Fixing bolt; 5. Moving groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 - Figure 8 As shown, a direct-connected centrifugal fire smoke exhaust fan box according to an embodiment of the utility model includes a box body 1, a guide component 2 is arranged inside the box body 1, a protective component 3 is arranged on one side of the box body 1, and installation components 4 are arranged on both sides of the box body 1, and part of the installation component 4 is arranged at one end of the box body 1.

[0028] like Figure 1 - Figure 8 As shown, the guide assembly 2 includes a motor 201, which is arranged inside the box body 1, and a first support frame 202 is arranged on the motor 201. A first rotating rod 203 is arranged on the two output shafts of the motor 201 through a coupling, and a first pulley 204 is arranged on the first rotating rod 203. A synchronous belt 205 is sleeved on the first pulley 204, and a second pulley 206 is connected to the synchronous belt 205. A second rotating rod 207 is arranged on the second pulley 206, and a plurality of second support frames 208 are arranged on the second rotating rod 207. A first guide blade 209 and a second guide blade 210 are arranged on the first rotating rod 203 and the second rotating rod 207, and a first guide cover 211 and a second guide cover 212 are arranged on both sides of the box body 1, and the first guide cover 211 and the second guide cover 212 are respectively arranged on the periphery of the two first guide blades 209.

[0029] like Figure 1 - Figure 8 As shown, the protection assembly 3 includes a third rotating rod 301, which is arranged at one end of one of the first guide blades 209, and the inner wall of the first guide cover 211 is provided with two filter screens 302, and cleaning plates 303 are arranged on both sides of the filter screens 302, and one end of the cleaning plate 303 is arranged on the third rotating rod 301;

[0030] The protection component 3 also includes a delivery pump 304, which is arranged inside the box body 1. The input end of the delivery pump 304 is connected to an input pipe 305, one end of the input pipe 305 extends from the inside of the box body 1 to the outside of the box body 1, and a storage box 306 is arranged at the end of the input pipe 305 located outside the box body 1. The output end of the delivery pump 304 is connected to an output pipe 307, one end of the output pipe 307 extends from the inside of the box body 1 to the outside of the box body 1, and a spray head 308 is arranged at one end of the output pipe 307 located outside the box body 1, and one end of the spray head 308 extends from the outside of the first guide cover 211 to the inside of the first guide cover 211.

[0031] like Figure 1 - Figure 8 As shown, the installation component 4 includes a mounting frame 401, which is symmetrically arranged on both sides of the box body 1. A movable groove 5 with a T-shaped structure is symmetrically opened at one end of the box body 1. A mounting frame 402 is connected in the movable groove 5, and two fixing bolts 403 are arranged on the mounting frame 402.

[0032] In summary, with the aid of the above technical solution of the utility model, the box body 1 can be fixed in the installation position through the cooperation of the installation frame 401, the installation frame 402, and the fixing bolts 403, and the installation position can also be adjusted according to needs, so as to better ensure the adjustment effect. When it is necessary to discharge the smoke, the motor 201 is started through the external controller, and then the output shaft of the motor 201 drives the first rotating rod 203 to drive the first pulley 204 to rotate, and then the first pulley 204 drives the synchronous belt 205 to rotate, and then the synchronous belt 205 drives the second pulley 206 and the second rotating rod 207 to rotate, and then the first guide blade 209 and the second guide blade 210 rotate, so as to guide the smoke through the first guide cover 211, and then through the second guide cover 212. The smoke is discharged toward the cover 212. When the incoming smoke needs to enter the first guide cover 211, the smoke can be filtered through the filter 302, and when the first guide blade 209 rotates, the third rotating rod 301 is also driven to rotate, and then the third rotating rod 301 drives the cleaning plate 303 to rotate, so that the filter 302 can be cleaned. At the same time, the delivery pump 304 can be started through an external controller, and then the input end of the delivery pump 304 delivers the negative oxygen ion treatment liquid in the storage box 306 to the input pipe 305, and then delivers it to the output pipe 307, so that the spray head 308 sprays the negative oxygen ion treatment liquid into the incoming smoke to decompose the harmful substances in the smoke, thereby avoiding corrosion to the blades and ensuring the protective effect of the blades.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A direct-connected centrifugal fire smoke exhaust fan box, comprising a box body (1), characterized in that: A guide component (2) is arranged inside the box (1), a protection component (3) is arranged on one side of the box (1), and installation components (4) are arranged on both sides of the box (1), and part of the installation component (4) is arranged at one end of the box (1); The guide assembly (2) comprises a motor (201), the motor (201) is arranged inside the box (1), a first support frame (202) is arranged on the motor (201), two output shafts of the motor (201) are provided with a first rotating rod (203) through a coupling, a first pulley (204) is arranged on the first rotating rod (203), a synchronous belt (205) is sleeved on the first pulley (204), a second pulley (206) is connected to the synchronous belt (205), a second rotating rod (207) is arranged on the second pulley (206), a plurality of second support frames (208) are arranged on the second rotating rod (207), and a first guide blade (209) and a second guide blade (210) are arranged on the first rotating rod (203) and the second rotating rod (207); The protection component (3) comprises a delivery pump (304), wherein the delivery pump (304) is arranged inside the box (1); an input end of the delivery pump (304) is connected to an input pipe (305), one end of the input pipe (305) extends from the inside of the box (1) to the outside of the box (1); a storage box (306) is arranged at one end of the input pipe (305) located outside the box (1); an output end of the delivery pump (304) is connected to an output pipe (307), one end of the output pipe (307) extends from the inside of the box (1) to the outside of the box (1); a spray head (308) is arranged at one end of the output pipe (307) located outside the box (1); one end of the spray head (308) extends from the outside of the first guide cover (211) to the inside of the first guide cover (211).

2. A direct-connected centrifugal fire smoke exhaust fan box according to claim 1, characterized in that: A first guide cover (211) and a second guide cover (212) are arranged on both sides of the box body (1); the first guide cover (211) and the second guide cover (212) are respectively arranged on the periphery of the two first guide blades (209).

3. A direct-connected centrifugal fire smoke exhaust fan box according to claim 2, characterized in that: The protection component (3) further comprises a third rotating rod (301), wherein the third rotating rod (301) is arranged at one end of one of the first guide blades (209), a plurality of filter screens (302) are arranged on the inner wall of the first guide cover (211), cleaning plates (303) are arranged on both sides of the filter screens (302), and one end of the cleaning plate (303) is arranged on the third rotating rod (301).

4. A direct-connected centrifugal fire smoke exhaust fan box according to claim 1, characterized in that: The installation assembly (4) comprises an installation frame (401), wherein the installation frame (401) is symmetrically arranged on both sides of the box body (1), and one end of the box body (1) is symmetrically provided with a movable groove (5), and a mounting frame (402) is connected in the movable groove (5), and a plurality of fixing bolts (403) are arranged on the mounting frame (402).

Images