CN212774821U

CN212774821U - Mixed flow impeller of smoke exhaust fan

Info

Publication number: CN212774821U
Application number: CN202021644984.4U
Authority: CN
Inventors: 王汉友
Original assignee: Kunshan Shengtang Ventilation Equipment Co Ltd
Current assignee: Kunshan Shengtang Ventilation Equipment Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-23
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a smoke exhaust fan technical field just discloses a smoke exhaust fan's mixed flow impeller, including the exhaust pipe body, the mixed flow impeller has been cup jointed in the inside activity of exhaust pipe body one side, one side fixed mounting of mixed flow impeller has servo motor, servo motor's the fixed protective housing that has cup jointed in the outside. The utility model discloses a temperature sensor, a controller, the relay three forms the temperature monitoring structure, the inside temperature when the protective housing reaches dangerous level, and when servo motor's natural wind heat dissipation will can't satisfy the requirement of effective cooling, forced air cooling mechanism can be opened automatically to the controller, it is quick with external cold air, a large amount of inside of carrying the protective housing through first ventilation pipe, and then carry out the forced air cooling to servo motor, after the inside temperature recovery of protective housing normal temperature, relay self-closing forced air cooling mechanism, avoid the device to consume the energy for a long time and carry out the idle work operation, and the use cost is reduced.

Description

Mixed flow impeller of smoke exhaust fan

Technical Field

The utility model relates to a smoke exhaust fan technical field specifically is a smoke exhaust fan's mixed flow impeller.

Background

The inside motor of present fire control smoke exhaust fan produces the heat at the operation in-process, usually by motor heat dissipation impeller, the motor cooling system who dispels the heat intake pipe and heat dissipation outlet duct are constituteed is outside the discharge machine, do not communicate between the interior outer tube each other, the high temperature flue gas that can avoid the conflagration to produce endangers the motor, but under the calamity condition, fire control smoke exhaust fan adopts low-speed operation to satisfy at ordinary times ventilation usually, the gaseous normal atmospheric temperature gas of transport, and the motor sets up heat abstractor alone and along with synchronous operation, this can make the device additionally consume the energy and increase the noise, and then lead to use cost to increase by a wide margin, to above-mentioned problem, we provide a smoke exhaust fan's mixed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a mixed flow impeller of smoke exhaust fan has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the mixed flow impeller of the smoke exhaust fan comprises a smoke exhaust barrel, the mixed flow impeller is movably sleeved in the smoke exhaust barrel at one side, a servo motor is fixedly arranged on one side of the mixed flow impeller, a protective shell is fixedly sleeved on the outer side of the servo motor, supporting mechanisms are fixedly arranged between the surfaces of the top and the bottom of the protective shell and the inner walls of the top and the bottom of the smoke exhaust cylinder body, a temperature sensor and a heat insulation sleeve are fixedly sleeved in one side of the top of the protective shell, the top of the temperature sensor is fixedly sleeved in the heat insulation sleeve, one end of the temperature sensor is electrically connected with a controller, the bottom of the controller is fixedly provided with a relay, one side of the controller is fixedly connected with a forced air cooling mechanism, the bottom of the forced air cooling mechanism is fixedly sleeved on the inner side of the top of the protective shell, and a second vent pipe is fixedly sleeved on the inner side of the bottom of the protective shell.

Carefully, the inside of supporting mechanism is including a branch sleeve pole, and the inside activity of branch sleeve pole has cup jointed compression spring, compression spring's one end fixedly connected with movable block, the surface of movable block and the surperficial swing joint of exhaust stack body, compression spring's inside activity cup joints the limit deflection pole.

Carefully, the inside of protective housing is fixed to be cup jointed the insulating layer, and the fixed inside that cup joints at mixed flow impeller opposite side of protective housing.

Carefully, the inside of forced air cooling mechanism is including the supporting box body, and the fixed cover in inside of supporting box body has connect radiator fan, the fixed cover in both sides of supporting box body bottom has connect first ventilation pipe, the fixed inboard at the protective housing top of cup jointing in the bottom of first ventilation pipe, the fixed cover in inboard at supporting box body top has connected the filter screen.

And carefully selecting, wherein the controller, the relay, the temperature sensor and the forced air cooling mechanism are all electrically connected.

The smoke exhaust device is characterized in that mounting holes are formed in the two sides of the smoke exhaust cylinder, and two ends of the smoke exhaust cylinder are of a through structure.

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

1. the utility model discloses a temperature sensor, a controller, the relay three forms the temperature monitoring structure, the inside temperature when the protective housing reaches dangerous level, and when servo motor's natural wind heat dissipation will can't satisfy the requirement of effective cooling, forced air cooling mechanism can be opened automatically to the controller, it is quick with external cold air, a large amount of inside of carrying the protective housing through first ventilation pipe, and then carry out the forced air cooling to servo motor, after the inside temperature recovery of protective housing normal temperature, relay self-closing forced air cooling mechanism, avoid the device to consume the energy for a long time and carry out the idle work operation, and the use cost is reduced.

2. The utility model discloses a shock attenuation dissipation structure is constituteed to inside compression spring of supporting mechanism and movable block, absorbs and cushions the vibrations of the inside and outside structure operation in-process of connecting of protective housing and protective housing, further improves the stability of device.

Drawings

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

FIG. 2 is an enlarged schematic view of the point A in the structure of FIG. 1 of the present invention;

FIG. 3 is a perspective view of the mixed flow impeller of the present invention;

fig. 4 is the schematic diagram of the structure working principle of the present invention.

In the figure: 1. a smoke exhaust barrel; 2. a mixed flow impeller; 3. a servo motor; 4. a protective shell; 5. a thermal insulation layer; 6. a support mechanism; 61. a support sleeve rod; 62. a compression spring; 63. a movable block; 7. a temperature sensor; 8. a heat insulating sleeve; 9. a controller; 10. a relay; 11. a forced air cooling mechanism; 111. supporting the box body; 112. a heat radiation fan; 113. a first vent pipe; 12. and a second ventilation pipe.

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.

Please refer to fig. 1-4, a mixed flow impeller of a smoke exhaust fan, comprising a smoke exhaust barrel 1, wherein mounting holes are provided in the two sides of the smoke exhaust barrel 1, and the two ends of the smoke exhaust barrel 1 are through structures, the mounting holes on the two sides of the smoke exhaust barrel 1 provide abdicating conditions for the specific installation of subsequent devices, thereby facilitating the installation and operation of workers, the mixed flow impeller 2 is movably sleeved in the inner part of one side of the smoke exhaust barrel 1, a servo motor 3 is fixedly installed on one side of the mixed flow impeller 2, a protective shell 4 is fixedly sleeved on the outer side of the servo motor 3, a thermal insulation layer 5 is fixedly sleeved in the inner part of the protective shell 4, the protective shell 4 is fixedly sleeved in the inner part of the other side of the mixed flow impeller 2, the thermal insulation layer 5 in the protective shell 4 can prevent the heat in the smoke from being transferred to the structure subsequently arranged on the protective shell 4 when the subsequent devices discharge the smoke, thereby improving the reliability of the devices, and supporting supports are fixedly installed The mechanism 6, the inside of the supporting mechanism 6 comprises a supporting sleeve rod 61, a compression spring 62 is movably sleeved inside the supporting sleeve rod 61, one end of the compression spring 62 is fixedly connected with a movable block 63, the surface of the movable block 63 is movably connected with the surface of the exhaust pipe body 1, a limited deflection rod is movably sleeved inside the compression spring 62, a shock absorption and energy dissipation structure is formed by the compression spring 62 and the movable block 63 inside the supporting mechanism 6, the shock in the operation process of the structure connected with the inside and the outside of the protective shell 4 and the protective shell 4 is absorbed and buffered, the stability of the device is further improved, a temperature sensor 7 and a heat insulation sleeve 8 are fixedly sleeved inside one side of the top of the protective shell 4, the top of the temperature sensor 7 is fixedly sleeved inside the heat insulation sleeve 8, one end of the temperature sensor 7 is electrically connected with a controller 9, and a relay 10 is fixedly installed at the bottom of the controller, the controller 9, the relay 10, the temperature sensor 7 and the forced air cooling mechanism 11 are electrically connected, the forced air cooling mechanism 11 can be automatically opened and closed after the controller 9, the relay 10 and the temperature sensor 7 are electrically connected, one side of the controller 9 is fixedly connected with the forced air cooling mechanism 11, the inside of the forced air cooling mechanism 11 comprises a supporting box body 111, a radiating fan 112 is fixedly sleeved inside the supporting box body 111, first ventilating pipes 113 are fixedly sleeved on two sides of the bottom of the supporting box body 111, the bottom end of each first ventilating pipe 113 is fixedly sleeved on the inner side of the top of the protective shell 4, a filter screen is fixedly sleeved on the inner side of the top of the supporting box body 111, a temperature monitoring structure is formed by the temperature sensor 7, the controller 9 and the relay 10, when the internal temperature of the protective shell 4 reaches a dangerous level and the natural air cooling of the servo motor 3 cannot meet the requirement of effective cooling, controller 9 can open forced air cooling mechanism 11 automatically, utilize the inside radiator fan 112 of forced air cooling mechanism 11, it is quick with external cold air, a large amount of inside of protective housing 4 is carried through first ventilation pipe 113, and then carry out the forced air cooling to servo motor 3, after the temperature of protective housing 4 inside resumes normal temperature, relay 10 self-closing forced air cooling mechanism 11, avoid the device to consume the energy for a long time and carry out the idle work operation, use cost is reduced, the fixed inboard at protective housing 4 top of cup jointing in bottom of forced air cooling mechanism 11, the fixed second ventilation pipe 12 that has cup jointed in inboard of protective housing 4 bottom.

The working principle is as follows: when the device is used, a dangerous temperature standard is set in the controller 9, during the normal use of the device, if the internal temperature of the protective shell 4 reaches a dangerous level and the servo motor 3 cannot meet the requirement of effective cooling in natural wind heat dissipation, the temperature sensor 7 converts the detected temperature data into an electric signal to be transmitted to the controller 9, then the controller 9 automatically starts the forced air cooling mechanism 11, and utilizes the heat dissipation fan 112 in the forced air cooling mechanism 11 to rapidly and massively convey outside cold air into the protective shell 4 through the first ventilation pipe 113 so as to rapidly cool the servo motor 3 by air cooling, and when the internal temperature of the protective shell 4 is restored to a normal temperature, the controller 9 automatically closes the forced air cooling mechanism 11 to reciprocate, and the compression spring 62 and the movable block 63 in the supporting mechanism 6 form a shock-absorbing and energy-dissipating structure, the shock in the operation process of the protective shell 4 and the structure connected with the protective shell 4 is absorbed and buffered.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 utility model provides a mixed flow impeller of smoke exhaust fan, includes exhaust pipe body (1), its characterized in that: the mixed flow impeller (2) is sleeved in the inner part of one side of the smoke exhaust barrel body (1) in a movable mode, the servo motor (3) is fixedly installed on one side of the mixed flow impeller (2), the protective shell (4) is fixedly sleeved on the outer side of the servo motor (3), a supporting mechanism (6) is fixedly installed between the surface of the top and the bottom of the protective shell (4) and the inner wall of the top and the bottom of the smoke exhaust barrel body (1) in a fixed mode, the temperature sensor (7) and the heat insulation sleeve (8) are fixedly sleeved on the inner part of one side of the top of the protective shell (4), the top of the temperature sensor (7) is fixedly sleeved on the inner part of the heat insulation sleeve (8), one end of the temperature sensor (7) is electrically connected with the controller (9), the relay (10) is fixedly installed on the bottom of the controller (9), and the forced air cooling mechanism, the bottom of the forced air cooling mechanism (11) is fixedly sleeved on the inner side of the top of the protective shell (4), and the inner side of the bottom of the protective shell (4) is fixedly sleeved with a second ventilation pipe (12).

2. The mixed flow impeller of a smoke exhaust fan according to claim 1, characterized in that: the inside of supporting mechanism (6) is including a supporting sleeve pole (61), and the inside activity of supporting sleeve pole (61) has cup jointed compression spring (62), the one end fixedly connected with movable block (63) of compression spring (62), the surperficial swing joint of the surface of movable block (63) and the exhaust stack body (1), the inside activity of compression spring (62) is cup jointed limited deviation pole.

3. The mixed flow impeller of a smoke exhaust fan according to claim 1, characterized in that: the inside of protective housing (4) is fixed to be cup jointed insulating layer (5), and protective housing (4) is fixed to be cup jointed in the inside of mixed flow impeller (2) opposite side.

4. The mixed flow impeller of a smoke exhaust fan according to claim 1, characterized in that: the inside of forced air cooling mechanism (11) is including supporting box (111), and the fixed cover in inside of supporting box (111) has connect radiator fan (112), the fixed first ventilation pipe (113) that has cup jointed in both sides of supporting box (111) bottom, the fixed inboard at protective housing (4) top that cup joints in the bottom of first ventilation pipe (113), the inboard at supporting box (111) top is fixed to be cup jointed the filter screen.

5. The mixed flow impeller of a smoke exhaust fan according to claim 1, characterized in that: the controller (9), the relay (10), the temperature sensor (7) and the forced air cooling mechanism (11) are all electrically connected.

6. The mixed flow impeller of a smoke exhaust fan according to claim 1, characterized in that: the inner parts of the two sides of the smoke exhaust barrel body (1) are provided with mounting holes, and the two ends of the smoke exhaust barrel body (1) are of a through structure.