CN207750260U - A kind of dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of low noise - Google Patents
A kind of dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of low noise Download PDFInfo
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- CN207750260U CN207750260U CN201820127314.1U CN201820127314U CN207750260U CN 207750260 U CN207750260 U CN 207750260U CN 201820127314 U CN201820127314 U CN 201820127314U CN 207750260 U CN207750260 U CN 207750260U
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Abstract
The utility model discloses a kind of dual-purpose centrifugal fan of cabinet type of the fire-fighting of low noise ventilation, including babinet, spiral case and motor, the babinet is assembled using frame, boxboard, the boxboard is compound harden structure, the compound plate is divided into inside and outside three layers, the outer layer is waterproof layer, and the middle layer is insulation material layer, and the internal layer is quieter material layer；The impeller of multiple wing forward curved vane built in the spiral case, the blade is fixed on by rivet on the impeller, and the number of blade is no less than 20, the circumferentially prone angle of the blade is not less than 10 degree, the impeller connects motor by belt, the motor is arranged on electric baseboard, has in the babinet for the bolted location hole of the electric baseboard.Motor setting outside the enclosure or can be arranged in babinet as needed for the motor of the utility model, provide selection for the case where different spaces size, in addition the utility model can also reduce noise, Assembling after Detachable as needed.
Description
Technical field
The utility model is related to centrifugal blower field, the dual-purpose cabinet centrifugal wind of fire-fighting ventilation of especially a kind of low noise
Machine.
Background technology
Traditional centrifugal blower often has the function of fire control smoke exhausting or ventilation function, with fire control smoke exhausting function
Usually motor is arranged outside the enclosure for centrifugal blower, and usually babinet is arranged in motor by the centrifugal blower with ventilation function
It is interior；Traditional centrifugal blower can rarely realize the centrifugal blower of fire-fighting ventilation function well, and traditional centrifugation wind
The noise of machine is big, and the installation of selectivity cannot be carried out according to situation on the spot.
Utility model content
To solve problems of the prior art, the utility model provides a kind of fire-fighting ventilation Double-purpose cabinet of low noise
Formula centrifugal blower.Motor can be arranged outside the enclosure or be arranged in babinet as needed by the motor of the utility model, be
The case where different spaces size, provides selection, and in addition the utility model can also reduce noise, show after Detachable as needed
Field assembling.
The technical solution adopted in the utility model is：A kind of dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of low noise, including
Babinet, spiral case and motor, the spiral case are built in the babinet, and the babinet is assembled using frame, boxboard, the case
Plate is fixed on said frame by the first bolt, and the frame is formed using metal cold bending unit one-off drawing, described
Boxboard is compound harden structure, and the compound plate is divided into inside and outside three layers, and the outer layer is waterproof layer, and the middle layer is heat-insulated material
The bed of material, the internal layer are quieter material layer；The impeller of multiple wing forward curved vane built in the spiral case, the blade are fixed by rivet
On the impeller, and the number of blade is no less than 20, and the circumferentially prone angle of the blade is described not less than 10 degree
Impeller connects motor by belt, and the belt is arranged in belt shell, and the motor is arranged on electric baseboard, the babinet
Inside have for the bolted location hole of the electric baseboard, the side of the babinet is equipped with air inlet, is arranged on the air inlet
Air-ducting ring, uniformly distributed bloop in the air-ducting ring, the babinet are equipped with air outlet relative to the side of air inlet.
The operation principle of the utility model is：Since babinet is assembled using frame, boxboard, boxboard passes through the first bolt
It is fixed on frame, so boxboard can be mounted and dismounted easily, can both assemble in the factory and transport to in-site installation,
In-site installation can be transported to；Supply the electric baseboard bolted since motor is arranged to have on electric baseboard, in babinet
Location hole so that the installation that motor can be selective provides selection outside the enclosure or in babinet, for motor installation；Due to leading
The internal layer of uniformly distributed bloop on solar or lunar halo, babinet is quieter material layer, so the noise that centrifugal blower generates is small；Additionally, due to blade
Number no less than 20, wind-producing rate increases, and obtains identical air quantity, required rotating speed smaller, so sound becomes smaller, and the number of blade
Increase the pressure that can also increase impeller, the efficiency for improving impeller；Since the circumferentially prone angle of blade is not less than 10 degree,
With the increase of the circumferentially antecurvature angle of blade, the initial position of blade tip leakage vortex is gradually moved to trailing edge, air-flow in leaf road
State is more smooth, and the vortex boundary-layer of generation is thinner, and vortex is detached from that intensity is smaller, therefore noise is smaller, and forward curved vane with
Common blade is compared, and is had and is improved efficiency 4%~41%, and the excellent performance of variable working condition 14%~20% is increased；In addition babinet
Outer layer is waterproof layer, can prevent the water stain outer layer to babinet when fire-fighting fire extinguishing is sprayed water from corroding, and the middle layer of babinet is
Insulation material layer can be effectively isolated high temperature when fire, protect the spiral case in babinet.
Further include pedestal as advanced optimizing for the technical program, the babinet and motor are fixed by the second bolt
On the base, the pedestal can facilitate while carry babinet and motor, and babinet and motor are bolted on pedestal
On, it is easy for installation and removal.
As advanced optimizing for the technical program, the electric baseboard may be provided at outside babinet, and the belt shell can
The outer surface of the babinet is fixed on by the second bolt, motor and the setting of belt shell can reduce hair in face as far as possible outside the enclosure
Harmful effect of the high temperature of babinet to motor when calamity of lighting a fire, the second bolt are fixed conveniently installation and removal to realize motor and skin
Position transfer with shell.
As advanced optimizing for the technical program, the electric baseboard may be provided in babinet, and pass through third bolt
It is fixed on location hole, the belt shell can be fixed on the outer surface of the spiral case by the second bolt, and motor is arranged in babinet
Inside can save centrifugal blower space, be suitable for the relatively narrow situation in position.
As advanced optimizing for the technical program, the spiral case be galvanized steel plain sheet either carbon steel sheet galvanized steel plain sheet or
Carbon steel sheet can be with corrosion-and high-temp-resistant, and price economy.
As advanced optimizing for the technical program, heat shield is cased on the motor, the heat shield can be further
Isolation occurs the high temperature generated when fire help and protects motor.
As advanced optimizing for the technical program, the heat-barrier material can be glass fibre, asbestos, rock wool, silicic acid
Salt, aerogel blanket either the evacuated panel quieter material can be silencing cotton, sound panel, abatvoix or sound-proof material, these every
Hot material and quieter material are all relatively common, facilitate purchase, and price economy.
The utility model has the beneficial effects that：
1, motor can be arranged outside the enclosure or be arranged in babinet as needed by the motor of the utility model, for not
The case where isospace size, provides selection, and in addition the utility model can also reduce noise, scene after Detachable as needed
Assembling.
2, the pedestal of the utility model can facilitate while carry babinet and motor, and babinet and motor are bolted on
On pedestal, it is easy for installation and removal.
3, face can reduce babinet when fire occurs as far as possible outside the enclosure for the motor of the utility model and the setting of belt shell
Harmful effect of the high temperature to motor, the second bolt is fixed conveniently installation and removal to realize that the position of motor and belt shell turns
It moves.
4, the motor of the utility model is arranged in box house, can save centrifugal blower space, is suitable for position
Relatively narrow situation.
5, the spiral case of the utility model is that either carbon steel sheet galvanized steel plain sheet or carbon steel sheet can be with resistance to height for galvanized steel plain sheet
Temperature is corrosion-resistant, and price economy.
6, heat shield is cased on the motor of the utility model, the height for occurring to be generated when fire can be further isolated in heat shield
Temperature helps to protect motor.
7, the heat-barrier material of the utility model can be glass fibre, asbestos, rock wool, silicate, aerogel blanket or true
Hollow plate, quieter material can be silencing cotton, sound panel, abatvoix or sound-proof material, these heat-barrier materials and quieter material all compare
More typically, facilitate purchase, and price economy.
Description of the drawings
Fig. 1 be the utility model centrifugal blower motor outside the enclosure face when structural schematic diagram；
Fig. 2 is the A-A diagrammatic cross-sections in Fig. 1 of the utility model；
Fig. 3 be the utility model centrifugal blower motor inside babinet when structural schematic diagram；
Fig. 4 is the structural schematic diagram of the air inlet of the utility model；
Reference numeral：1- babinets；11- frames；12- boxboards；121- outer layers；122- middle layers；123- internal layers；124- is entered the wind
Mouthful；1241- air-ducting rings；12411- bloops；125- air outlets；The first bolts of 13-；2- spiral cases；21- impellers；211- blades；
22- rivets；3- motors；31- heat shields；32- electric baseboards；4- belts；41- belt shells；5- pedestals；The second bolts of 6-；7-
Three bolts.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-Figure 4, the dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of a kind of low noise, including babinet 1,2 and of spiral case
Motor 3, the spiral case 2 are built in the babinet 1, and the babinet 1 is assembled using frame 11, boxboard 12, the boxboard
12 are fixed on by the first bolt 13 on the frame 11, the frame 11 using metal cold bending unit one-off drawing and
At the boxboard 12 is compound harden structure, and the compound plate is divided into inside and outside three layers, and the outer layer 121 is waterproof layer, in described
Interbed 122 is insulation material layer, and the internal layer 123 is quieter material layer；The leaf of multiple wing forward curved vane 211 built in the spiral case 2
Wheel 21, the blade 211 is fixed on by rivet 22 on the impeller 21, and the number of the blade 211 is equal to 20, the blade
211 circumferential prone angles are equal to 10 degree, and the impeller 21 connects motor 3 by belt 4, and the belt 4 is arranged in skin
In band shell 41, the motor 3 is arranged on electric baseboard 32, has in the babinet 1 bolted for the electric baseboard 32
The side of location hole, the babinet 1 is equipped with air inlet 124, and air-ducting ring 1241, the air-ducting ring is arranged on the air inlet 124
Uniformly distributed bloop 12411 on 1241, the babinet 1 are equipped with air outlet 125 relative to the side of air inlet 124.
The operation principle of the utility model is：Since babinet 1 is assembled using frame 11, boxboard 12, boxboard 12 passes through
First bolt 13 is fixed on the frame 11, so boxboard 12 can be mounted and dismounted easily, can both be assembled in the factory
In-site installation is transported to, in-site installation can also be transported to；Since motor 3 is arranged on electric baseboard 32, there is power supply machine in babinet 1
32 bolted location hole of bottom plate so that motor 3 can be selective is mounted on outside babinet 12 or in babinet 12, is motor
3 installations provide selection；Due to uniformly distributed bloop 12411 in air-ducting ring 1241, the internal layer 123 of babinet 12 is quieter material layer,
So the noise that centrifugal blower generates is small；It is equal to 20 additionally, due to the number of blade, wind-producing rate increases, and obtains identical air quantity, institute
The rotating speed smaller needed, so sound becomes smaller, and the number of blade 211 increases the pressure that can also increase impeller 21, raising impeller 21
Efficiency；Since the circumferential prone angle of blade 211 is equal to 10 degree, with the increase of the circumferential antecurvature angle of blade 211, leaf
The initial position for pushing up leakage vortex is gradually moved to 211 rear of blade, and stream condition is more smooth in leaf road, the vortex boundary-layer of generation
Thinner, vortex disengaging intensity is smaller, therefore noise is smaller, and forward curved vane has compared with common blade and improves efficiency
10%, increase the excellent performance of variable working condition 14%；In addition the outer layer 121 of babinet 1 is waterproof layer, can prevent from spraying in fire-fighting fire extinguishing
The water stain outer layer 121 to babinet 1 corrodes when water, and the middle layer 122 of babinet 1 is insulation material layer, can be effectively isolated fire
High temperature when calamity protects the spiral case 2 in babinet 1.
Motor can be arranged outside the enclosure or be arranged in babinet as needed by the motor of the utility model, for difference
The case where space size, provides selection, and in addition the utility model can also reduce noise, live group after Detachable as needed
Dress, the number of blade are equal to 20, when the circumferentially prone angle of blade is equal to 10 degree, noise very little.
Embodiment 2
As Figure 1-Figure 4, the dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of a kind of low noise, including babinet 1,2 and of spiral case
Motor 3, the spiral case 2 are built in the babinet 1, and the babinet 1 is assembled using frame 11, boxboard 12, the boxboard
12 are fixed on by the first bolt 13 on the frame 11, the frame 11 using metal cold bending unit one-off drawing and
At the boxboard 12 is compound harden structure, and the compound plate is divided into inside and outside three layers, and the outer layer 121 is waterproof layer, in described
Interbed 122 is insulation material layer, and the internal layer 123 is quieter material layer；The leaf of multiple wing forward curved vane 211 built in the spiral case 2
Wheel 21, the blade 211 is fixed on by rivet 22 on the impeller 21, and the number of the blade 211 is equal to 23, the blade
211 circumferential prone angles are equal to 12 degree, and the impeller 21 connects motor 3 by belt 4, and the belt 4 is arranged in skin
In band shell 41, the motor 3 is arranged on electric baseboard 32, has in the babinet 1 bolted for the electric baseboard 32
The side of location hole, the babinet 1 is equipped with air inlet 124, and air-ducting ring 1241, the air-ducting ring is arranged on the air inlet 124
Uniformly distributed bloop 12411 on 1241, the babinet 1 are equipped with air outlet 125 relative to the side of air inlet 124.
The operation principle of the utility model is：Since babinet 1 is assembled using frame 11, boxboard 12, boxboard 12 passes through
First bolt 13 is fixed on the frame 11, so boxboard 12 can be mounted and dismounted easily, can both be assembled in the factory
In-site installation is transported to, in-site installation can also be transported to；Since motor 3 is arranged on electric baseboard 32, there is power supply machine in babinet 1
32 bolted location hole of bottom plate so that motor 3 can be selective is mounted on outside babinet 12 or in babinet 12, is motor
3 installations provide selection；Due to uniformly distributed bloop 12411 in air-ducting ring 1241, the internal layer 123 of babinet 12 is quieter material layer,
So the noise that centrifugal blower generates is small；It is equal to 23 additionally, due to the number of blade, wind-producing rate increases, and obtains identical air quantity, institute
The rotating speed smaller needed, so sound becomes smaller, and the number of blade 211 increases the pressure that can also increase impeller 21, raising impeller 21
Efficiency；Since the circumferential prone angle of blade 211 is equal to 12 degree, with the increase of the circumferential antecurvature angle of blade 211, leaf
The initial position for pushing up leakage vortex is gradually moved to 211 rear of blade, and stream condition is more smooth in leaf road, the vortex boundary-layer of generation
Thinner, vortex disengaging intensity is smaller, therefore noise is smaller, and forward curved vane has compared with common blade and improves efficiency
20%, increase the excellent performance of variable working condition 18%；In addition the outer layer 121 of babinet 1 is waterproof layer, can prevent from spraying in fire-fighting fire extinguishing
The water stain outer layer 121 to babinet 1 corrodes when water, and the middle layer 122 of babinet 1 is insulation material layer, can be effectively isolated fire
High temperature when calamity protects the spiral case 2 in babinet 1.
Motor can be arranged outside the enclosure or be arranged in babinet as needed by the motor of the utility model, for difference
The case where space size, provides selection, and in addition the utility model can also reduce noise, live group after Detachable as needed
Dress, the number of blade is equal to 23, when the circumferentially prone angle of blade is equal to 12 degree, noise very little, and run very smooth.
Embodiment 3
As shown in figure 3, the present embodiment on the basis of embodiment 1, further includes pedestal 5, the babinet 1 and motor 3 pass through
Second bolt 6 is fixed on the pedestal 5.
The pedestal of the utility model can facilitate while carry babinet and motor, and babinet and motor are bolted on bottom
On seat, it is easy for installation and removal.
Embodiment 4
As shown in figure 3, the present embodiment, on the basis of embodiment 3, the electric baseboard 32 may be provided at 1 outside of babinet,
The belt shell 41 can be fixed on the outer surface of the babinet 1 by the second bolt 6.
Face can reduce babinet when fire occurs as far as possible outside the enclosure for motor and belt the shell setting of the utility model
Harmful effect of the high temperature to motor, the second bolt are fixed conveniently installation and removal to realize that the position of motor and belt shell turns
It moves.
Embodiment 5
As Figure 1-Figure 2, for the present embodiment on the basis of embodiment 4, the electric baseboard 32 may be provided at babinet 1
It is interior, and be fixed on location hole by third bolt 7, the belt shell 41 can be fixed on the spiral case 2 by the second bolt 6
Outer surface.
The motor of the utility model is arranged in box house, can save centrifugal blower space, be suitable for position compared with
Narrow situation.
Embodiment 6
As Figure 1-Figure 2, for the present embodiment on the basis of embodiment 5, the spiral case 2 is galvanized steel plain sheet or carbon steel
Plate.
The galvanized steel plain sheet or carbon steel sheet of the utility model can be with corrosion-and high-temp-resistants, and price economy.
Embodiment 7
As Figure 1-Figure 2, the present embodiment is cased with heat shield 31 on the basis of embodiment 6 on the motor 3.
The heat shield of the utility model can further be isolated the high temperature help for occurring to generate when fire and protect motor.
Embodiment 8
For the present embodiment on the basis of embodiment 7, the heat-barrier material can be glass fibre, asbestos, rock wool, silicic acid
Either the evacuated panel quieter material can be silencing cotton, sound panel, abatvoix or sound-proof material for salt, aerogel blanket.
These heat-barrier materials and quieter material of the utility model are all relatively common, facilitate purchase, and price economy.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (5)
- The dual-purpose centrifugal fan of cabinet type 1. a kind of fire-fighting of low noise is divulged information, which is characterized in that including babinet, spiral case and motor, institute It states spiral case to be built in the babinet, the babinet is assembled using frame, boxboard, and the boxboard is fixed by the first bolt On said frame, the frame is formed using metal cold bending unit one-off drawing, and the boxboard is compound harden structure, institute It states compound plate and is divided into inside and outside three layers, the outer layer is waterproof layer, and the middle layer is insulation material layer, and the internal layer is noise reduction Material layer；The impeller of multiple wing forward curved vane built in the spiral case, the blade are fixed on by rivet on the impeller, and described The number of blade is no less than 20, and the circumferentially prone angle of the blade is not less than 10 degree, and the impeller connects electricity by belt Machine, the belt are arranged in belt shell, and the motor is arranged on electric baseboard, have in the babinet for the electric baseboard Bolted location hole, the side of the babinet are equipped with air inlet, are arranged air-ducting ring on the air inlet, in the air-ducting ring Uniformly distributed bloop, the babinet are equipped with air outlet relative to the side of air inlet.
- The dual-purpose centrifugal fan of cabinet type 2. a kind of fire-fighting of low noise according to claim 1 is divulged information, which is characterized in that described Electric baseboard may be provided in babinet, and is fixed on location hole by third bolt, and the belt shell can pass through the second bolt It is fixed on the outer surface of the spiral case.
- The dual-purpose centrifugal fan of cabinet type 3. a kind of fire-fighting of low noise according to claim 1 is divulged information, which is characterized in that described Spiral case is galvanized steel plain sheet or carbon steel sheet.
- The dual-purpose centrifugal fan of cabinet type 4. a kind of fire-fighting of low noise according to claim 1 is divulged information, which is characterized in that described Heat shield is cased on motor.
- The dual-purpose centrifugal fan of cabinet type 5. a kind of fire-fighting of low noise according to claim 1 is divulged information, the heat-barrier material can Think glass fibre, asbestos, rock wool, silicate, aerogel blanket or evacuated panel, the quieter material can be silencing cotton, every Soundboard, abatvoix or sound-proof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127314.1U CN207750260U (en) | 2018-01-25 | 2018-01-25 | A kind of dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127314.1U CN207750260U (en) | 2018-01-25 | 2018-01-25 | A kind of dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750260U true CN207750260U (en) | 2018-08-21 |
Family
ID=63154039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820127314.1U Active CN207750260U (en) | 2018-01-25 | 2018-01-25 | A kind of dual-purpose centrifugal fan of cabinet type of fire-fighting ventilation of low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374894A (en) * | 2019-08-16 | 2019-10-25 | 东莞市雅高通风设备制造有限公司 | A kind of fire-fighting centrifugal fan of cabinet type |
| CN114738301A (en) * | 2021-08-06 | 2022-07-12 | 宁波生久科技有限公司 | Blowing type heat radiation fan |
-
2018
- 2018-01-25 CN CN201820127314.1U patent/CN207750260U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374894A (en) * | 2019-08-16 | 2019-10-25 | 东莞市雅高通风设备制造有限公司 | A kind of fire-fighting centrifugal fan of cabinet type |
| CN114738301A (en) * | 2021-08-06 | 2022-07-12 | 宁波生久科技有限公司 | Blowing type heat radiation fan |
| CN114738301B (en) * | 2021-08-06 | 2023-11-03 | 宁波生久科技有限公司 | Blowing type radiator fan |
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