CN210599487U

CN210599487U - Axial-flow type fire-fighting smoke exhaust fan

Info

Publication number: CN210599487U
Application number: CN201921105606.6U
Authority: CN
Inventors: 朱则全; 丁群; 朱小斌; 陈俊
Original assignee: Wuhan Dongfangshun Ventilation Equipment Co Ltd
Current assignee: Wuhan Dongfangshun Ventilation Equipment Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-22
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses an axial-flow type fire-fighting smoke exhaust fan, which comprises an outer barrel; the inside well section of thick bamboo that is equipped with, the inside of well section of thick bamboo is equipped with the motor, the output of motor is equipped with wheel hub, be equipped with a plurality of blades around wheel hub, the motor is kept away from wheel hub's one end is equipped with the air-supply line, middle one side of well section of thick bamboo is equipped with out the tuber pipe, the surface of motor is equipped with the inner tube, the surface of inner tube is equipped with a plurality of louvres, the both sides of louvre are located all be equipped with the fin on the inner tube, the inside of air-supply line is equipped with smoke transducer, smoke transducer and bee calling organ electric connection, well section of thick bamboo. Has the advantages that: the inner barrel is provided with the plurality of heat dissipation holes and the heat dissipation fins, and heat on the surfaces of the heat dissipation fins is taken away through the flow of smoke and air, so that the heat dissipation process can be realized, and the service life of the motor is greatly prolonged.

Description

Axial-flow type fire-fighting smoke exhaust fan

Technical Field

The utility model relates to a fire control smoke exhaust pipeline's design field particularly, relates to an axial-flow type fire control smoke exhaust fan.

Background

The axial flow fan has a wide application range, the airflow of the axial flow fan is in the same direction as the axial direction of the fan blades, such as an electric fan, and an air conditioner external unit fan is an axial flow type running fan. The term "axial flow" is used because the air flows parallel to the axis of the fan, which is typically used in applications where the flow requirements are high and the pressure requirements are low, and the axial fan holds a position and moves the air. With the progress of production technology and the generation of practical demands, axial flow fans are also applied to the field of fire fighting.

The structure of the existing axial-flow type smoke exhaust fan is single when the existing axial-flow type smoke exhaust fan is applied in the field of fire fighting, the use adaptability is remained to be improved, the axial-flow type smoke exhaust fan is easy to generate high-temperature loss after long-time operation, the heat dissipation effect is poor, and meanwhile, smoke cannot be detected and alarmed in a ventilation place with large smoke, so that the problem existing above is necessarily solved by providing the axial-flow type smoke exhaust fan for fire fighting.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axial-flow type fire control smoke exhaust fan to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axial-flow type fire control smoke exhaust fan, includes the urceolus, the inside of urceolus is equipped with well section of thick bamboo, the inside of well section of thick bamboo is equipped with the motor, the output of motor is equipped with wheel hub, be equipped with a plurality of blades around wheel hub, the motor is kept away from wheel hub's one end is equipped with the air-supply line, middle one side of well section of thick bamboo is equipped with out the tuber pipe, the surface of motor is equipped with the inner tube, the surface of inner tube is equipped with a plurality of louvres, the both sides of louvre are located all be equipped with the fin on the inner tube, the inside of air-supply line is equipped with smoke transducer, smoke transducer and.

Furthermore, ground feet are arranged on one side of the outer portion of the outer barrel.

Furthermore, a motor junction box is arranged on one side of the outer part of the outer barrel.

Further, the impeller is formed between the hub and the blades through welding.

Furthermore, a filter screen is arranged at one end inside the air inlet pipe.

Furthermore, two sides of the motor are connected with the middle cylinder through a plurality of support rods.

Furthermore, the outer wall of the middle barrel is fixedly connected with the inside of the outer barrel through a plurality of fixing rods.

Furthermore, the buzzer is arranged on the inner wall of the air outlet pipe, and a nameplate is avoided being arranged on one side of the motor.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the inner cylinder is arranged outside the motor, meanwhile, a plurality of radiating holes are formed in the inner cylinder, heat generated by the motor can be discharged through the radiating holes in the use process of the motor, meanwhile, part of heat on the surface of the motor can be transferred to the radiating fins through the surface of the inner cylinder, and the heat on the surface of the radiating fins is taken away through the flow of smoke and air, so that the radiating process can be realized, meanwhile, in the exhaust process, the smoke sensor can detect the concentration of the smoke in the air inlet pipe, when the concentration is too high, the buzzer can make a sound, and a user can take corresponding measures;

(2) the utility model discloses a wire connection, including urceolus, fixed connection, filter screen, debris, the security of when using, place buzzer in the play tuber pipe, be equipped with the lower margin through the one side at the urceolus, the convenience carries out the fixed connection installation and places to the urceolus, the outside of urceolus is equipped with the motor terminal box convenience and connects and place to the wire, the inside of air-supply line is equipped with the filter screen and can filters inspiratory air, avoid debris to cause the damage to stator and blade, great improvement the security when using, place buzzer in the tuber pipe, increase the propagation that buzzer sounded, be equipped with the data.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an axial-flow type fire-fighting smoke exhaust fan according to an embodiment of the present invention;

fig. 2 is a sectional view of an axial-flow type fire-fighting smoke exhaust fan according to an embodiment of the present invention;

fig. 3 is a side view of an axial flow fire protection and smoke exhaust fan according to an embodiment of the present invention;

fig. 4 is an enlarged view at a in fig. 2.

Reference numerals:

1. an outer cylinder; 2. a middle cylinder; 3. an electric motor; 4. a hub; 5. a guide vane; 6. a blade; 7. an air inlet pipe; 8. an air outlet pipe; 9. an inner barrel; 10. heat dissipation holes; 11. a heat sink; 12. a smoke sensor; 13. a buzzer; 14. ground feet; 15. a nameplate; 16. a motor junction box; 17. a filter screen; 18. a support rod.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-4, an axial-flow type fire-fighting smoke exhaust fan according to an embodiment of the present invention includes an outer cylinder 1, a middle cylinder 2 is disposed inside the outer cylinder 1, a motor 3 is disposed inside the middle cylinder 2, a hub 4 is disposed at an output end of the motor 3, a plurality of blades 6 are disposed around the hub 4, an air inlet pipe 7 is disposed at an end of the motor 3 away from the hub 4, an air outlet pipe 8 is disposed at a middle side of the middle cylinder 2, an inner cylinder 9 is disposed on a surface of the motor 3, a plurality of heat dissipation holes 10 are disposed on a surface of the inner cylinder 9, heat dissipation fins 11 are disposed on two sides of the heat dissipation holes 10 on the inner cylinder 9, a smoke sensor 12 is disposed inside the air inlet pipe 7, the smoke sensor 12 is electrically connected to a buzzer 13, a guide vane 5 is fixedly disposed between the middle cylinder 2 and the outer cylinder 1, and heat on the surface of the heat dissipation, thereby can realize radiating process, the in-process of airing exhaust simultaneously, smoke transducer 12 can detect the concentration of the flue gas in air-supply line 7, will make bee calling organ 13 sound when concentration is too high, and the use staff takes corresponding measure, and the device simple structure, convenient operation can improve the life of motor.

Example two:

referring to fig. 1-4, for the outer cylinder 1, a ground pin 14 is provided at one side of the outer cylinder 1; for the middle barrel 2, a motor junction box 16 is arranged on one side of the outer part of the outer barrel 1; for the hub 4, the hub 4 and the blades 6 are welded to form an impeller; for the air inlet pipe 7, a filter screen 17 is arranged at one end inside the air inlet pipe 7; for the motor 3, two sides of the motor 3 are connected with the middle barrel 2 through a plurality of support rods 18; to bee calling organ 13, bee calling organ 13 locates on going out the inner wall of tuber pipe 8, one side of motor 3 is avoided being equipped with data plate 15, be equipped with lower margin 14 through one side at urceolus 1, it is convenient to carry out the fixed connection installation and place to urceolus 1, the outside of urceolus 1 is equipped with motor terminal box 16 and is convenient to connect and place the wire, the inside of air-supply line 7 is equipped with filter screen 17 and can filters inspiratory air, avoid debris to cause the damage to stator 5 and blade 6, great improvement the security when using, place bee calling organ 13 in going out tuber pipe 8, increase the propagation that bee calling organ 13 sent sound, be equipped with data plate 15 on motor 3 simultaneously, convenient can guide accurate use.

To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:

in practical application, the motor 3 is started to drive the guide vane 5, the hub 4 and the blades 6 to rotate, so that air on one side of the outer cylinder 1 can be sucked into the middle cylinder 2 from the air inlet pipe 7 and then discharged through the air outlet pipe 8, meanwhile, the smoke sensor 12 is arranged inside the air inlet pipe 7 to detect the concentration of smoke in the air inlet pipe 7, when the concentration is too high, the buzzer 13 can make a sound, the sound generated by the buzzer 13 can be transmitted along with smoke and air flow, the transmission range of the sound is expanded, corresponding measures can be taken by a worker, the inner cylinder 9 is arranged outside the motor 3, meanwhile, the inner cylinder 9 is provided with a plurality of heat dissipation holes 10, the heat generated by the motor 3 can be discharged through the heat dissipation holes 10 in the use process, and meanwhile, part of the heat on the surface of the motor 3 can be transmitted to the heat dissipation fins 11 through the surface of the inner cylinder, the heat on the surface of the radiating fin 11 is taken away through the flowing of the smoke and the air, so that the radiating process can be realized, and the service life of the motor is greatly prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The axial-flow type fire-fighting smoke exhaust fan is characterized by comprising an outer barrel (1), a middle barrel (2) is arranged inside the outer barrel (1), a motor (3) is arranged inside the middle barrel (2), a hub (4) is arranged at the output end of the motor (3), a plurality of blades (6) are arranged around the hub (4), an air inlet pipe (7) is arranged at one end, far away from the hub (4), of the motor (3), an air outlet pipe (8) is arranged at one side of the middle barrel (2), an inner barrel (9) is arranged on the surface of the motor (3), a plurality of radiating holes (10) are arranged on the surface of the inner barrel (9), radiating fins (11) are arranged on the inner barrel (9) at two sides of each radiating hole (10), a smoke sensor (12) is arranged inside the air inlet pipe (7), and the smoke sensor (12) is electrically connected with a buzzer (13), a guide vane (5) is fixedly arranged between the middle barrel (2) and the outer barrel (1).

2. An axial-flow type fire-fighting smoke exhaust fan according to claim 1, wherein one side of the outer part of the outer cylinder (1) is provided with a ground foot (14).

3. An axial-flow type fire-fighting smoke exhaust fan according to claim 1, wherein a motor junction box (16) is arranged on one side of the outer cylinder (1).

4. An axial flow fire protection and smoke exhaust fan according to claim 1, wherein the hub (4) and the blades (6) are welded to form an impeller.

5. An axial-flow type fire-fighting smoke exhaust fan according to claim 1, wherein a filter screen (17) is provided at one end of the interior of the air inlet pipe (7).

6. An axial-flow type fire-fighting smoke exhaust fan according to claim 1, wherein two sides of the motor (3) are connected with the middle cylinder (2) through a plurality of support rods (18).

7. An axial-flow type fire-fighting smoke exhaust fan according to claim 1, wherein the buzzer (13) is arranged on the inner wall of the air outlet pipe (8), and a nameplate (15) is avoided on one side of the motor (3).