CN210859274U - Axial-flow type fire-fighting smoke exhaust fan - Google Patents
Axial-flow type fire-fighting smoke exhaust fan Download PDFInfo
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- CN210859274U CN210859274U CN201921599573.5U CN201921599573U CN210859274U CN 210859274 U CN210859274 U CN 210859274U CN 201921599573 U CN201921599573 U CN 201921599573U CN 210859274 U CN210859274 U CN 210859274U
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Abstract
The utility model discloses an axial-flow type fire control smoke exhaust fan, including shell and the motor of installation in the shell, the pivot of motor is connected with the flabellum, installs the sleeve that cup joints the motor in the shell, and the sleeve is provided with the export and is located ventilation pipe on the shell, the rotor part of motor expose in the sleeve, because electric motor rotor's rotation and cause a negative pressure effect, external cold air blows on the motor through ventilation pipe suction after to for the motor heat dissipation cooling, simple structure, the radiating effect is good.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to an axial-flow type fire control smoke exhaust fan.
Background
With the development of the construction industry, the fire prevention problem of buildings becomes more and more important. The modern buildings built in recent years are generally provided with a fire-fighting smoke exhaust system, the system mainly comprises a sensing device, a control device, a smoke exhaust air pipe, a smoke exhaust fan and the like, the fire-fighting smoke exhaust fan is a core component of the fire-fighting smoke exhaust system, and the development of the high-performance fire-fighting smoke exhaust fan can generate good economic and social benefits. The operating temperature of the smoke exhaust fan in the smoke exhaust process can reach more than five hundred ℃, and if the motor does not have good heat dissipation and heat insulation in the operating process, the motor is easy to lose efficacy due to high temperature, so that the smoke exhaust fan does not work, and the fire protection and smoke exhaust are influenced.
Therefore, the technical personnel in the field are dedicated to develop the axial-flow type fire-fighting smoke exhaust fan with good heat dissipation performance.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an axial-flow type fire control smoke exhaust fan that heat dispersion is good is provided.
In order to achieve the above object, the utility model provides an axial-flow type fire control smoke exhaust fan, include the shell and install motor in the shell, the pivot of motor is connected with the flabellum, install in the shell and cup joint the sleeve of motor, the sleeve is provided with the export and is located ventilation pipe on the shell, the rotor part of motor expose in the sleeve.
The rotating shaft of the motor is connected with a hub, and the fan blades are arranged on the hub in a surrounding mode.
The shell is provided with a junction box, and the sleeve is provided with a motor wiring pipe connected with the junction box.
At least four supporting plates are arranged between the sleeve and the shell for connection.
The shell is provided with an air inlet interface connected with the outlet of the ventilation pipe, and the air inlet interface is connected with a cold air source.
The cold air source comprises a sleeving three-way pipe, the sleeving three-way pipe is sleeved on the middle of a tap water pipe, an air inlet hole facing the tap water pipe is formed in the side wall of the sleeving three-way pipe, the sleeving three-way pipe is provided with a cold air pipe connected with the air inlet interface, and a small-sized suction fan is installed in the cold air pipe.
The rear end of the sleeve is further provided with a motor rear cover located behind the motor, and heat dissipation holes are formed in the motor rear cover in a penetrating mode.
And a rotating shaft of the motor is connected with the front end of the hub through a flange plate.
Supporting legs are respectively installed at the front end and the rear end of the bottom of the shell.
The sleeve is provided with four screws for fixing the motor from four directions respectively.
The utility model has the advantages that: the utility model discloses an axial-flow type fire control smoke exhaust fan, including shell and the motor of installation in the shell, the pivot of motor is connected with the flabellum, installs the sleeve that cup joints the motor in the shell, and the sleeve is provided with the export and is located ventilation pipe on the shell, the rotor part of motor expose in the sleeve, because electric motor rotor's rotation and cause a negative pressure effect, external cold air blows on the motor through ventilation pipe suction after to for the motor heat dissipation cooling, simple structure, the radiating effect is good.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic view of the back of the structure of the present invention;
fig. 3 is a schematic structural view of a cold air source.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, an axial-flow type fire-fighting smoke exhaust fan comprises a shell 1 and a motor 2 installed in the shell 1, wherein a rotating shaft of the motor 2 is connected with fan blades 3, a sleeve 4 sleeved with the motor 2 is installed in the shell 1, the sleeve 4 is provided with a ventilation pipe 5, an outlet of the ventilation pipe is located on the shell 1, a rotor part of the motor 2 is exposed in the sleeve 4, when the smoke exhaust fan operates, a negative pressure effect is caused due to the rotation of a motor rotor, and external cold air is sucked into the ventilation pipe 5 and blown back to the motor 2, so that the heat dissipation and cooling of the motor 2 are realized, the structure is simple, and the heat dissipation effect.
In the embodiment, the shell 1 is provided with an air inlet interface 10 connected with the outlet of the ventilation pipe 5, and the air inlet interface 10 is connected with a cold air source; the cold air source comprises a sleeving three-way pipe 11, the sleeving three-way pipe 11 is sleeved on the middle part of a tap water pipe 20, an air inlet hole 12 facing the tap water pipe 20 is formed in the side wall of the sleeving three-way pipe 11, a cold air pipe 13 connected with the air inlet connector 10 is arranged on the sleeving three-way pipe 11, and a small-sized suction fan 19 is installed in the cold air pipe 13; lid 14 behind the motor that is located motor 2 rear is still installed to the rear end of sleeve 4, it is provided with louvre 15 to run through behind the motor on the lid 14, small-size suction fan 19 is with the outside air through air inlet 12 in proper order, cup joint three-way pipe 11 and cold blast pipe 13 suction income ventilation pipe 5, at this in-process, because the temperature of water pipe 20 is generally less than the air temperature, so outside air is by the water pipe cooling, then blow on motor 2, the thermal air of motor has been absorb and has been discharged through louvre 15, thereby cool down for the heat dissipation of motor 2.
A rotating shaft of the motor 2 is connected with a hub 6, and the fan blades 3 are arranged on the hub 6 in a surrounding manner; a junction box 7 is arranged on the shell 1, a motor wiring tube 8 connected with the junction box 7 is arranged on the sleeve 4, and the junction box 7 is used for an external power supply; at least four supporting plates 9 are arranged between the sleeve 4 and the shell 1 for connection; the rotating shaft of the motor 2 is connected with the front end of the hub 6 through a flange 16; the front end and the rear end of the bottom of the shell 1 are respectively provided with a supporting leg 17; the sleeve 4 is provided with four screws 18 respectively from four directions fixed motor 2, and the screw 18 is from four directions fixed motor 2, and four backup pads 9 are from four directions fixed shell 1 and sleeve 4, and motor wire connection pipe 8 and ventilation pipe 5 are from two opposite direction fixed connection shell 1 and sleeve 4, simple structure, firm, easy dismounting, the maintenance of being convenient for.
The utility model discloses a theory of operation does:
because the rotation of electric motor rotor causes a negative pressure effect and small-size induced draft fan 19's suction effect, external air is in proper order through air inlet hole 12, cup joint three-way pipe 11 and cold wind pipe 13 and is inhaled into ventilation pipe 5, in this process, because the temperature of water pipe 20 is generally less than the air temperature, so external air is cooled by water pipe 20, then blow on motor 2, the thermal air of motor has been absorbed and has been discharged through louvre 15, thereby for the heat dissipation cooling of motor 2, moreover, the steam generator is simple in structure, the radiating effect is good, utilize the water pipe cooling, therefore, the carrier wave prepaid electric energy meter is low in cost.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an axial-flow type fire control smoke exhaust fan, includes shell (1) and installs motor (2) in shell (1), the pivot of motor (2) is connected with flabellum (3), characterized by: install in shell (1) and cup joint sleeve (4) of motor (2), sleeve (4) are provided with the export and are located ventilation pipe (5) on shell (1), the rotor part of motor (2) expose in sleeve (4).
2. The axial flow fire and smoke exhaust fan of claim 1, wherein: the rotating shaft of the motor (2) is connected with a hub (6), and the fan blades (3) are installed on the hub (6) in a surrounding mode.
3. The axial flow fire and smoke exhaust fan of claim 1, wherein: the motor is characterized in that a junction box (7) is arranged on the shell (1), and a motor wiring pipe (8) connected with the junction box (7) is arranged on the sleeve (4).
4. The axial flow fire and smoke exhaust fan of claim 1, wherein: at least four supporting plates (9) are arranged between the sleeve (4) and the shell (1) for connection.
5. The axial flow fire and smoke exhaust fan of claim 1, wherein: the air inlet connector (10) connected with the outlet of the ventilation pipe (5) is arranged on the shell (1), and the air inlet connector (10) is connected with a cold air source.
6. The axial flow fire and smoke exhaust fan of claim 5, wherein: the cold air source comprises a sleeving three-way pipe (11), the sleeving three-way pipe (11) is sleeved on the middle of a tap water pipe (20), an air inlet hole (12) which is right opposite to the tap water pipe is formed in the side wall of the sleeving three-way pipe (11), a cold air pipe (13) connected with the air inlet connector (10) is arranged on the sleeving three-way pipe (11), and a small-sized extraction fan (19) is installed in the cold air pipe (13).
7. The axial flow fire and smoke exhaust fan of claim 5, wherein: the rear end of the sleeve (4) is further provided with a motor rear cover (14) located behind the motor (2), and heat dissipation holes (15) penetrate through the motor rear cover (14).
8. The axial flow fire and smoke exhaust fan of claim 2, wherein: the rotating shaft of the motor (2) is connected with the front end of the hub (6) through a flange plate (16).
9. The axial flow fire and smoke exhaust fan of claim 1, wherein: supporting legs (17) are respectively installed at the front end and the rear end of the bottom of the shell (1).
10. The axial flow fire and smoke exhaust fan of claim 1, wherein: the sleeve (4) is provided with four screws (18) for fixing the motor (2) from four directions respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599573.5U CN210859274U (en) | 2019-09-25 | 2019-09-25 | Axial-flow type fire-fighting smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599573.5U CN210859274U (en) | 2019-09-25 | 2019-09-25 | Axial-flow type fire-fighting smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859274U true CN210859274U (en) | 2020-06-26 |
Family
ID=71306192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921599573.5U Active CN210859274U (en) | 2019-09-25 | 2019-09-25 | Axial-flow type fire-fighting smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859274U (en) |
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2019
- 2019-09-25 CN CN201921599573.5U patent/CN210859274U/en active Active
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