CN218207159U - Drum-type centrifugal pipeline fire-fighting smoke exhaust fan - Google Patents
Drum-type centrifugal pipeline fire-fighting smoke exhaust fan Download PDFInfo
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- CN218207159U CN218207159U CN202222802383.7U CN202222802383U CN218207159U CN 218207159 U CN218207159 U CN 218207159U CN 202222802383 U CN202222802383 U CN 202222802383U CN 218207159 U CN218207159 U CN 218207159U
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Abstract
The utility model discloses a drum-type centrifugal pipeline fire control smoke exhaust fan, including the inner tube, the urceolus, motor and impeller, left side at the urceolus is provided with the connecting pipe, right side at the urceolus is provided with link and first gas outlet, the link outside is provided with external screw thread portion, threaded connection has the thermal-insulated section of thick bamboo of fan on external screw thread portion, the motor is fixed in the thermal-insulated section of thick bamboo of fan, right side at the thermal-insulated section of thick bamboo of fan is provided with the cold wind import, the left side of the thermal-insulated section of thick bamboo of fan is the cold wind export with the inner tube intercommunication, right side at the thermal-insulated section of thick bamboo of fan still is provided with rotatory nut, rotatory nut inboard be provided with external screw thread portion cooperation screw thread portion, be provided with the heat dissipation pipeline at the internal screw of section of thick bamboo, the intussuseption of heat dissipation pipeline is filled with the coolant liquid, the one end of heat dissipation pipeline is connected with the input of stock solution room through the circulating pump below the urceolus, the other end of heat dissipation pipeline is connected with the stock solution room. This structure is easy to assemble the motor, improves the radiating effect to the motor moreover.
Description
Technical Field
The utility model relates to a technical field of fan especially relates to a drum-type centrifugal pipeline fire control smoke exhaust fan.
Background
The smoke exhaust fan is generally applied to ventilation or continuous high-temperature smoke exhaust systems of multi-story buildings, underground buildings, authentic buildings, drying rooms and the like, and the main parameters of the smoke exhaust fan depend on the temperature, the air exhaust amount, the full pressure, the high efficiency, the noise, the rated power of a motor, the rotating speed ratio and the shaft power during the work. The existing smoke exhaust fan generally comprises an inner cylinder and an outer cylinder, wherein a motor is arranged in the inner cylinder, and an output shaft of the motor is connected with an impeller for radiating heat radiated by the motor, but the smoke exhaust fan with the structure also has the following problems: 1. the inner tube is poor to the radiating effect around the motor, and the problem that the motor still appears the high temperature easily and damages when using for a long time, 2, adopt the screw fixation between inner tube and the urceolus, lead to the inconvenient problem of installation.
SUMMERY OF THE UTILITY MODEL
(one) technical problem that solve the utility model aims at providing a drum-type centrifugal pipeline fire control smoke exhaust fan for it is poor to the radiating effect around the motor to solve current smoke exhaust fan and have the inner tube, and still appear the high temperature easily when the motor is used for a long time and damage and adopt the screw fixation between inner tube and the urceolus, lead to installing inconvenient defect.
(II) contents of the utility model
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a drum-type centrifugal pipeline fire control smoke exhaust fan, includes inner tube, urceolus, motor and the impeller of concentric setting, the output shaft of motor has impeller, its characterized in that: the left side of urceolus is provided with the connecting pipe with fire control discharge pipe way intercommunication, the left side mouth of pipe of connecting pipe is as the air inlet, inner tube and air inlet intercommunication the right side of urceolus is provided with the link with the inner tube intercommunication and is located the first gas outlet in the link outside, the link outside is provided with external screw thread portion threaded connection has the thermal-insulated section of thick bamboo of fan in the external screw thread portion, the motor fix in the thermal-insulated section of thick bamboo of fan, the impeller is located the outside on the left side of the thermal-insulated section of thick bamboo of fan the right side of the thermal-insulated section of thick bamboo of fan is provided with the cold wind import, the left side of the thermal-insulated section of thick bamboo of fan is the cold wind export with the inner tube intercommunication the right side of the thermal-insulated section of thick bamboo of fan still is provided with rotatory nut, rotatory nut inboard be provided with external screw thread portion cooperation screw thread portion internal thread portion, the inner tube be bilayer structure the inner tube internal screw thread be provided with the heat dissipation pipeline, the heat dissipation pipeline intussuseption is filled with the coolant liquid storage chamber's output and is connected, the other end of heat dissipation pipeline is connected with the input of liquid storage chamber through the circulating pump of urceolus below.
Preferably, in order to automatically control the operation of the motor, a temperature sensor is arranged in the inner cylinder, a controller is arranged below the outer cylinder, and the controller is electrically connected with the temperature sensor and the motor.
Preferably, the heat insulation effect on the inner part of the inner cylinder is improved, damage caused by overhigh temperature of the motor is avoided, a heat insulation layer is arranged on the outer side of the inner cylinder, and the thickness of the heat insulation layer is 3-5mm.
Preferably, in order to realize rapid outflow of smoke, the connecting pipe is inserted into the outer cylinder, a pipe orifice of the connecting pipe and a pipe orifice of the inner cylinder are concentrically arranged, and a trumpet-shaped flow guide channel is arranged at a pipe position where the connecting pipe is inserted into the outer cylinder.
Preferably, the impeller comprises an impeller base and more than one blade annularly arranged on the impeller base.
(III) advantageous effects
The utility model provides a pair of drum-type centrifugal pipeline fire control smoke exhaust fan, its advantage lies in: this structure has the effect of installing the motor fast and dismantling the motor, can also further improve the radiating effect to the motor simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a drum-type centrifugal pipeline fire protection and smoke exhaust fan in the embodiment 1 when an outer cylinder is separated from a fan heat insulation cylinder;
fig. 2 is a schematic view of an internal structure of a drum type centrifugal pipeline fire protection smoke exhaust fan disclosed in this embodiment 1;
fig. 3 is a schematic structural diagram of a drum-type centrifugal pipeline fire-fighting smoke exhaust fan disclosed in this embodiment 2 when an outer cylinder is separated from a fan heat insulation cylinder;
fig. 4 is a schematic structural diagram of a drum-type centrifugal pipeline fire-fighting smoke exhaust fan disclosed in this embodiment 3 when an outer cylinder is separated from a fan heat insulation cylinder;
fig. 5 is a schematic view of the internal structure of the outer cylinder of the drum-type centrifugal pipeline fire-fighting smoke exhaust fan disclosed in this embodiment 4;
fig. 6 is a schematic structural diagram of the impeller disclosed in this embodiment 5.
In the reference symbols:
the fan comprises an inner cylinder 2, an outer cylinder 1, a motor 3, an impeller 4, a connecting pipe 5, a connecting end 6, a first air outlet 7, an external threaded part 8, a fan heat insulation cylinder 9, a cold air inlet 10, a cold air outlet 11, a rotating screw cap 12, an internal threaded part 13, a heat dissipation pipeline 14, cooling liquid 15, a liquid storage chamber 16, a circulating pump 17, a temperature sensor 18, a controller 19, a heat insulation layer 20, a flow guide channel 21, an air inlet 22, an impeller base 4-1 and blades 4-2.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below in combination with the technical solution of the embodiments of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1-2, the present invention provides an embodiment: the utility model provides a drum-type centrifugal pipeline fire control smoke exhaust fan, includes inner tube 2, urceolus 1, motor 3 and the impeller 4 that sets up with one heart, the output shaft of motor 3 has impeller 4, its characterized in that: the left side of urceolus 1 is provided with the connecting pipe 5 with fire control discharge fume pipeline intercommunication, the left side mouth of pipe of connecting pipe 5 is as air inlet 22, inner tube 2 and air inlet 22 intercommunication the right side of urceolus 1 is provided with the link 6 with inner tube 2 intercommunication and is located the first gas outlet 7 in the 6 outsides of link, the link 6 outside is provided with external screw thread portion 8 threaded connection has the thermal-insulated section of thick bamboo 9 of fan on the external screw thread portion 8, motor 3 fix in the thermal-insulated section of thick bamboo 9 of fan, impeller 4 is located the outside on the left side of the thermal-insulated section of thick bamboo 9 of fan the right side of the thermal-insulated section of thick bamboo 9 of fan is provided with cold wind import 10, the left side of the thermal-insulated section of thick bamboo 9 of fan is the cold wind export 11 with inner tube 2 intercommunication the right side of the thermal-insulated section of thick bamboo 9 of thick bamboo of fan still is provided with swivel nut 12, swivel nut 12 inboard be provided with 8 cooperation screw thread portion 13 of external screw thread portion, inner tube 2 be bilayer structure the inner tube 2 the internal thread be provided with heat dissipation pipeline 14 in the internal screw in inner tube 2, heat dissipation pipeline 14 intussuseption is filled with coolant liquid 15, the one end of heat dissipation pipeline 14 and the output of urceolus 1 top of urceolus is connected, the other end of the heat dissipation pipeline 16 of urceolus through the input of urceolus 16 and the circulating pump of urceolus below.
The working principle of the structure is as follows: at first will the left side mouth of pipe of connecting pipe 5 connect the fire control calandria, then insert the thermal-insulated section of thick bamboo 9 of fan in the inner tube 2 to realize the installation to the motor with the internal thread portion 13 and the 8 threaded connection of external screw thread portion of swivel nut 12, the motor is also conveniently dismantled in the later stage, simultaneously the inner tube 2 be provided with the circulating coolant liquid, realize the cooling to the inner tube 2 is inside, avoid inside high temperature and further influence the motor, finally reduce the life of motor, consequently this structure has the effect of installing the motor fast and dismantling the motor, can also further improve the radiating action to the motor simultaneously.
Example two
As shown in fig. 3, the present invention provides an embodiment: the general structure of a drum-type centrifugal pipeline fire-fighting smoke exhaust fan is the same as that of embodiment 1, except that as the optimization, in order to realize the automatic control of the motor operation, a temperature sensor 18 is arranged in an inner cylinder 2, a controller 19 is arranged below an outer cylinder 1, the controller 19 is electrically connected with the temperature sensor 18 and a motor 3, the temperature condition in the inner cylinder is detected in real time by arranging the temperature sensor 18, once the temperature is overhigh, the motor is started to work immediately, cold air sucked into the outside of the machine by an impeller 4 enters the inner cylinder, and the cold air is discharged to the outside of the machine after absorbing heat emitted by the motor and heat transferred to the inner cylinder by high-temperature smoke, so that the fan is finally cooled by the impeller.
EXAMPLE III
As shown in fig. 4, the present invention provides an embodiment: the general structure of a drum type centrifugal pipeline fire-fighting smoke exhaust fan is the same as that of embodiment 1, except that the heat insulation effect on the inner part of an inner barrel is improved as the optimization, the damage of the motor caused by overhigh temperature is avoided, a heat insulation layer 20 is arranged on the outer side of the inner barrel 2, the thickness of the heat insulation layer 20 is 3-5mm, the inner barrel is further insulated by the heat insulation layer 20, and finally the damage of the motor caused by overhigh temperature is avoided by the further heat insulation effect on the motor in the inner part.
Example four
As shown in fig. 5, the present invention provides an embodiment: the general structure of a drum-type centrifugal pipeline fire-fighting smoke exhaust fan is the same as that of embodiment 1, except that, as an optimization, in order to realize quick outflow of smoke, the connecting pipe 5 is inserted into the outer cylinder 1, the pipe orifice of the connecting pipe 5 and the pipe orifice of the inner cylinder 2 are concentrically arranged, a trumpet-shaped flow guide channel 21 is arranged at the pipe position where the connecting pipe 5 is inserted into the outer cylinder 1, and the quick outflow of smoke is realized by arranging the flow guide channel 21.
Example two
As shown in fig. 6, the present invention provides an embodiment: the general structure of a drum type centrifugal pipeline fire-fighting smoke exhaust fan is the same as that of the embodiment 1, except that the impeller 4 preferably comprises an impeller base 4-1 and more than one blade 4-2 annularly arranged on the impeller base 4-1, and the wind power is enlarged by arranging the blades 4-2. The number of the blades 4-2 in this embodiment is 3.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a drum-type centrifugal pipeline fire control smoke exhaust fan, includes inner tube (2), urceolus (1), motor (3) and impeller (4) that set up with one heart, the output shaft of motor (3) has impeller (4), its characterized in that: the left side of the outer barrel (1) is provided with a connecting pipe (5) communicated with a fire-fighting smoke exhaust pipeline, the left side pipe orifice of the connecting pipe (5) is used as an air inlet (22), the inner barrel (2) is communicated with the air inlet (22), the right side of the outer barrel (1) is provided with a connecting end (6) communicated with the inner barrel (2) and a first air outlet (7) positioned outside the connecting end (6), the outer side of the connecting end (6) is provided with an outer threaded part (8), the outer threaded part (8) is in threaded connection with a fan heat insulation barrel (9), a motor (3) is fixed in the fan heat insulation barrel (9), an impeller (4) is positioned outside the left side of the fan heat insulation barrel (9), the right side of the fan heat insulation barrel (9) is provided with a cold air inlet (10), the left side of the fan heat insulation barrel (9) is provided with a cold air outlet (11) communicated with the inner barrel (2), the right side of the fan heat insulation barrel (9) is further provided with a rotary nut (12), the inner barrel (12) is provided with a heat dissipation part (13) matched with the outer threaded part (8) in a thread, the inner barrel (2), the inner barrel (14) is filled with a double-layer cooling nut (14), and a double-layer cooling pipeline (14) is filled with a cooling liquid in the inner barrel (14), one end of the heat dissipation pipeline (14) is connected with the output end of the liquid storage chamber (16) above the outer barrel (1), and the other end of the heat dissipation pipeline (14) is connected with the input end of the liquid storage chamber (16) through a circulating pump (17) below the outer barrel (1).
2. The drum-type centrifugal pipeline fire-fighting smoke exhaust fan of claim 1, which is characterized in that: a temperature sensor (18) is arranged in the inner cylinder (2), a controller (19) is arranged below the outer cylinder (1), and the controller (19) is electrically connected with the temperature sensor (18) and the motor (3).
3. The drum-type centrifugal pipeline fire-fighting smoke exhaust fan of claim 1, which is characterized in that: a layer of heat insulation layer (20) is arranged on the outer side of the inner cylinder (2), and the thickness of the heat insulation layer (20) is 3-5mm.
4. The drum-type centrifugal pipeline fire-fighting smoke exhaust fan of claim 1, which is characterized in that: the connecting pipe (5) is inserted into the outer barrel (1), the pipe orifice of the connecting pipe (5) and the pipe orifice of the inner barrel (2) are concentrically arranged, and a horn-shaped flow guide channel (21) is arranged at the pipe position where the connecting pipe (5) is inserted into the outer barrel (1).
5. The drum-type centrifugal pipeline fire-fighting smoke exhaust fan of claim 1, which is characterized in that: the impeller (4) comprises an impeller base (4-1) and more than one blade (4-2) which is annularly arranged on the impeller base (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222802383.7U CN218207159U (en) | 2022-10-24 | 2022-10-24 | Drum-type centrifugal pipeline fire-fighting smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222802383.7U CN218207159U (en) | 2022-10-24 | 2022-10-24 | Drum-type centrifugal pipeline fire-fighting smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207159U true CN218207159U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222802383.7U Active CN218207159U (en) | 2022-10-24 | 2022-10-24 | Drum-type centrifugal pipeline fire-fighting smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207159U (en) |
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2022
- 2022-10-24 CN CN202222802383.7U patent/CN218207159U/en active Active
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