CN210769466U

CN210769466U - Centrifugal fire-fighting smoke exhaust fan control device

Info

Publication number: CN210769466U
Application number: CN201921684044.5U
Authority: CN
Inventors: 张玉杰
Original assignee: Xinjiang Juntai Electromechanical Engineering Co ltd
Current assignee: Xinjiang Juntai Electromechanical Engineering Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-16
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a centrifugal fire-fighting smoke exhaust fan control device, which comprises a volute, wherein the volute comprises a volute body, a volute runner chamber, a volute air inlet and a volute air outlet, the volute runner chamber is arranged inside the volute body, the volute air inlet and the volute air outlet are both arranged on the outer side wall of the volute body, the volute air inlet and the volute air outlet are both communicated with the volute runner chamber, a driving motor is arranged at the position of the outer side wall of the volute body, which is far away from the volute air outlet, a centrifugal impeller component is rotatably connected inside the volute runner chamber, and the output end of the driving motor penetrates through the volute body and is fixedly connected with the centrifugal impeller component. The overall risk is reduced.

Description

Centrifugal fire-fighting smoke exhaust fan control device

Technical Field

The utility model relates to a technical fire control smoke exhaust fan field, concrete field is centrifugal fire control smoke exhaust fan controlling means.

Background

At present, centrifugal fire protection and smoke exhaust fans are of various types, and can be divided into household fire protection fans and fire protection fans used in industrial production according to purposes. The power of domestic fire control fan is less, and its effect is used for getting rid of the dense smoke in the room when the conflagration breaks out at home, gets rid of the dense smoke in the room after, the fire fighter's of being convenient for rescue, also can alleviate the people's in the room pressure. The industrial fire fighting fan is used for meeting the requirement of industrial production, the industrial fire fighting fan used in the industrial production is an industrial fan, the power of the industrial fire fighting fan is generally very high, the main function of the industrial fire fighting fan is to remove wastes generated in the production of enterprises, and the general industrial wastes are very polluted and toxic, so the industrial fire fighting fan is required to be discharged to a proper place.

Most of the existing centrifugal fire-fighting smoke exhaust fans adopt manual button type control to open the fire-fighting fans, and the disadvantage is that once smoke is too large, the fire-fighting fans are difficult to start by pressing a button in time, and if the fire-fighting fans are not opened in time, evacuation personnel are likely to cause danger due to excessive smoke inhalation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fire control smoke exhaust fan controlling means to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: centrifugal fire control smoke exhaust fan controlling means, including the spiral case, the spiral case includes spiral case body, spiral case runner room, spiral case air intake and spiral case air outlet, spiral case runner room sets up the inside at the spiral case body, spiral case air intake and spiral case air outlet all set up on the lateral wall of spiral case body, spiral case air intake and spiral case air outlet all communicate with spiral case runner room, the position that spiral case air outlet was kept away from to the lateral wall of spiral case body is equipped with driving motor, the internal rotation of spiral case runner room is connected with centrifugal impeller subassembly, driving motor's output runs through the spiral case body and with centrifugal impeller subassembly fixed connection, spiral case air intake and spiral case air outlet flange joint have the air-supply line and go out the tuber pipe respectively, fixed mounting has singlechip controller, signal amplifier and power supply on the lateral wall of air-supply line, singlechip controller electricity connects signal amplifier, signal amplifier, Power supply and drive unit, be equipped with the one end of bracing piece on the lateral wall of air-out pipe, the other end of bracing piece is equipped with infrared ray smoke transducer, the signal amplifier electricity is connected with infrared ray smoke transducer, the last electricity of signal output end of infrared ray smoke transducer is connected with steerable infrared light signal transmission's infrared emission photoelectric tube and infrared ray receiving photoelectric tube.

Preferably, the infrared transmitting photoelectric tube is electrically connected with the infrared receiving photoelectric tube, and the correlation angle between the infrared transmitting photoelectric tube and the infrared receiving photoelectric tube is 100-150 degrees.

Preferably, the centrifugal impeller subassembly includes rolling disc and axis of rotation, the axis of rotation sets up the central point at the rolling disc and puts, a terminal surface of rolling disc and the week that is located the axis of rotation all sides are equipped with a plurality of centrifugal flabellum, the one end that centrifugal flabellum was kept away from to the axis of rotation and driving motor's output fixed connection, a plurality of be formed with the guiding gutter between the centrifugal flabellum.

Preferably, a sound alarm and a highlight alarm are arranged at a position, close to the single chip microcomputer controller, on the side wall of the air inlet pipe, and the single chip microcomputer controller is electrically connected with the sound alarm and the highlight alarm.

Preferably, a plurality of pressure balance openings are formed in the outer side wall of the volute body and located on the periphery of the driving motor.

Preferably, a fixing seat is arranged on the outer side wall of the volute body and on one side of the driving motor.

Preferably, the fixing seat is provided with a plurality of threaded holes.

Compared with the prior art, the beneficial effects of the utility model are that: centrifugal fire-fighting smoke exhaust fan, through the cooperation setting of infrared ray smoke transducer, infrared ray transmitting photoelectric tube and infrared ray receiving photoelectric tube, when there is no smoke in the environment, the infrared ray receiving photoelectric tube can not receive the infrared light emitted by the infrared ray transmitting photoelectric tube, the circuit changes the no electric signal, when there is smoke in the environment, the smoke particle can make the infrared light emitted by the infrared ray transmitting photoelectric tube scatter, the scattered infrared light can be received by the infrared ray receiving photoelectric tube, the infrared ray smoke transducer will generate electric signal, the electric signal is amplified and transmitted to the single chip microcomputer controller through the signal amplifier, the single chip microcomputer controller will control the driving motor to rotate, thereby the centrifugal impeller component discharges the smoke, at the same time, the single chip microcomputer controller will also control the sound alarm to emit sound and the highlight alarm to emit highlight, in order to warn the personnel to evacuate, the utility model discloses, through the mode of infrared ray induction smog, open driving motor automatically and get rid of smog, it is more timely and effective for the mode of manual button, help evacuation personnel get rid of smog fast, reduced whole danger.

Drawings

FIG. 1 is a schematic side view of the present invention;

fig. 2 is another schematic side view of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a control block diagram of the present invention.

In the figure: 1-volute, 101-volute body, 102-volute runner chamber, 103-volute air inlet, 104-volute air outlet, 2-driving motor, 3-centrifugal impeller assembly, 301-rotary disc, 302-rotary shaft, 303-centrifugal fan blade, 304-flow guide groove, 4-air inlet pipe, 5-air outlet pipe, 6-single chip microcomputer controller, 7-signal amplifier, 8-power supply, 9-support rod, 10-infrared smoke sensor, 11-infrared transmitting photoelectric tube, 12-infrared receiving photoelectric tube, 13-sound alarm, 14-highlight alarm, 15-pressure balance port, 16-fixing seat and 17-threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the centrifugal fire-fighting smoke exhaust fan control device comprises a volute 1, wherein the volute 1 comprises a volute body 101, a volute runner chamber 102, a volute air inlet 103 and a volute air outlet 104, the volute runner chamber 102 is arranged inside the volute body 101, the volute air inlet 103 and the volute air outlet 104 are both arranged on the outer side wall of the volute body 101, the volute air inlet 103 and the volute air outlet 104 are both communicated with the volute runner chamber 102, a driving motor 2 is arranged on the outer side wall of the volute body 101 far away from the volute air outlet 104, a centrifugal impeller assembly 3 is rotatably connected inside the volute runner chamber 102, the output end of the driving motor 2 penetrates through the volute body 101 and is fixedly connected with the centrifugal impeller assembly 3, the volute air inlet 103 and the volute air outlet 104 are respectively connected with an air inlet pipe 4 and an air outlet pipe 5 in a flange mode, and a single chip microcomputer controller 6, a signal amplifier 7 and a power supply 8 are, the single chip microcomputer controller 6 is electrically connected with the signal amplifier 7, the power supply 8 and the single driving machine 2, one end of a supporting rod 9 is arranged on the side wall of the air outlet pipe 5, an infrared smoke sensor 10 is arranged at the other end of the supporting rod 9, the signal amplifier 7 is electrically connected with the infrared smoke sensor 10, and an infrared transmitting photoelectric tube 11 and an infrared receiving photoelectric tube 12 which can control infrared signal transmission are electrically connected to the signal output end of the infrared smoke sensor 10.

Specifically, the infrared transmitting photoelectric tube 11 and the infrared receiving photoelectric tube 12 are electrically connected, and the correlation angle between the infrared transmitting photoelectric tube 11 and the infrared receiving photoelectric tube 12 is 100-150 degrees.

Specifically, centrifugal impeller subassembly 3 includes rolling disc 301 and axis of rotation 302, and axis of rotation 302 sets up in rolling disc 301 central point and puts, and the week side that rotates 301 a terminal surface and lie in axis of rotation 302 is equipped with a plurality of centrifugal flabellum 303, and the axis of rotation 302 is kept away from the one end of centrifugal flabellum 303 and is connected with driving motor 2's output fixed connection, a plurality of be formed with guiding gutter 304 between the centrifugal flabellum 303.

Specifically, an audible alarm 13 and a highlight alarm 14 are arranged on the side wall of the air inlet pipe 4 and close to the single-chip microcomputer controller 6, and the single-chip microcomputer controller 6 is electrically connected with the audible alarm 13 and the highlight alarm 14.

Specifically, the outer sidewall of the volute body 101 and the periphery of the driving motor 2 are provided with a plurality of pressure balance ports 15.

Specifically, the outer sidewall of the volute body 101 and the side of the driving motor 2 are provided with a fixing seat 16.

Specifically, the fixing base 16 is provided with a plurality of threaded holes 17, and the fixing base can be mounted on a wall through the threaded holes 17.

The working principle is as follows: in the utility model, through the matching arrangement of the driving motor 2 and the centrifugal impeller component 3, when the driving motor 2 is started, the rotating shaft 302 will drive the rotating disc 301 to rotate in the volute rotating chamber 102, thereby driving the centrifugal impeller 303 to rotate, the diversion trench 304 between the centrifugal impeller 303 will convey the flue gas from the volute air inlet 103 to the volute air outlet 104, thereby removing the flue gas, through the matching arrangement of the infrared ray smoke sensor 10, the infrared ray transmitting photoelectric tube 11 and the infrared ray receiving photoelectric tube 12, when there is no smoke in the environment, the infrared ray receiving photoelectric tube 12 cannot receive the infrared light emitted by the infrared ray transmitting photoelectric tube 11, the circuit will not change the electric signal, when there is smoke in the environment, the smoke particles will scatter the infrared light emitted by the infrared ray transmitting photoelectric tube 11, the scattered infrared light will be received by the infrared ray receiving photoelectric tube 12, the electric signal will be generated in the infrared ray smoke sensor 10, the signal amplifier 7 amplifies the electric signal and transmits the electric signal to the singlechip controller 6, the singlechip controller 6 controls the driving motor 2 to rotate, thereby the centrifugal impeller component 3 discharges the smoke, simultaneously the singlechip controller 6 also controls the sound alarm 13 to make sound and the highlight alarm 14 to make highlight, thereby warning personnel to evacuate, the pressure balance port 15 can prevent the volute 1 from generating vibration due to overlarge pressure, the volute 1 can be fixed on the wall or other installation positions through the matching arrangement of the fixed seat 16 and the threaded hole 17, the length of the volute air inlet 103 and the volute air outlet 104 can be prolonged through the matching arrangement of the air inlet pipe 4 and the air outlet pipe 5, the utility model discloses, through the mode of infrared ray induction smoke, the driving motor 2 is automatically opened to remove the smoke, and compared with the mode of manually pressing the button, the smoke is more timely and effective, the evacuation personnel are helped to quickly remove the smoke, and the whole danger is reduced.

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. Centrifugal fire control smoke exhaust fan controlling means, including spiral case (1), spiral case (1) includes spiral case body (101), spiral case runner chamber (102), spiral case air intake (103) and spiral case air outlet (104), spiral case runner chamber (102) set up the inside at spiral case body (101), spiral case air intake (103) and spiral case air outlet (104) all set up on the lateral wall of spiral case body (101), spiral case air intake (103) and spiral case air outlet (104) all communicate with spiral case runner chamber (102), its characterized in that: the position of a volute air outlet (104) far away from the outer side wall of the volute body (101) is provided with a driving motor (2), a centrifugal impeller assembly (3) is connected to the inner rotation of the volute runner chamber (102), the output end of the driving motor (2) penetrates through the volute body (101) and is fixedly connected with the centrifugal impeller assembly (3), an air inlet pipe (4) and an air outlet pipe (5) are respectively connected with the volute air inlet (103) and the volute air outlet (104) through flanges, a single chip microcomputer controller (6), a signal amplifier (7) and a power supply (8) are fixedly installed on the side wall of the air inlet pipe (4), the single chip microcomputer controller (6) is electrically connected with the signal amplifier (7), the power supply (8) and the driving motor (2), one end of a support rod (9) is arranged on the side wall of the air outlet pipe (5), and an infrared smoke sensor (10) is arranged at the other, the signal amplifier (7) is electrically connected with an infrared smoke sensor (10), and the signal output end of the infrared smoke sensor (10) is electrically connected with an infrared transmitting photoelectric tube (11) and an infrared receiving photoelectric tube (12) which can control transmission of infrared signals.

2. The centrifugal fire-fighting smoke exhaust fan control device according to claim 1, characterized in that: the infrared transmitting photoelectric tube (11) is electrically connected with the infrared receiving photoelectric tube (12), and the correlation angle between the infrared transmitting photoelectric tube (11) and the infrared receiving photoelectric tube (12) is 100-150 degrees.

3. The centrifugal fire-fighting smoke exhaust fan control device according to claim 1, characterized in that: centrifugal impeller subassembly (3) include rolling disc (301) and axis of rotation (302), axis of rotation (302) set up the central point in rolling disc (301) and put, a terminal surface of rolling disc (301) and the week that is located axis of rotation (302) week side are equipped with a plurality of centrifugal fan blade (303), the one end that centrifugal fan blade (303) were kept away from in axis of rotation (302) and the output fixed connection of driving motor (2), a plurality of be formed with guiding gutter (304) between centrifugal fan blade (303).

4. The centrifugal fire-fighting smoke exhaust fan control device according to claim 1, characterized in that: the position that is close to single chip microcomputer controller (6) on the lateral wall of air-supply line (4) is equipped with audible alarm (13) and highlight attention device (14), audible alarm (13) and highlight attention device (14) are connected to single chip microcomputer controller (6) electricity.

5. The centrifugal fire-fighting smoke exhaust fan control device according to claim 1, characterized in that: the outer side wall of the volute body (101) and the periphery of the driving motor (2) are provided with a plurality of pressure balance openings (15).

6. The centrifugal fire-fighting smoke exhaust fan control device according to claim 1, characterized in that: and a fixed seat (16) is arranged on the outer side wall of the volute body (101) and on one side of the drive motor (2).

7. The centrifugal fire and smoke exhaust fan control device according to claim 6, characterized in that: the fixing seat (16) is provided with a plurality of threaded holes (17).