CN106122056B - A kind of load box cooling system and its dedicated axial flow blower - Google Patents

A kind of load box cooling system and its dedicated axial flow blower Download PDF

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Publication number
CN106122056B
CN106122056B CN201610719612.5A CN201610719612A CN106122056B CN 106122056 B CN106122056 B CN 106122056B CN 201610719612 A CN201610719612 A CN 201610719612A CN 106122056 B CN106122056 B CN 106122056B
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CN
China
Prior art keywords
load box
blade
axial flow
flow blower
shell
Prior art date
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Application number
CN201610719612.5A
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Chinese (zh)
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CN106122056A (en
Inventor
董秋苏
张宏
陆恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINA SHIPBUILDING POWER STATION EQUIPMENT Co Ltd
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CHINA SHIPBUILDING POWER STATION EQUIPMENT Co Ltd
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Priority to CN201610719612.5A priority Critical patent/CN106122056B/en
Publication of CN106122056A publication Critical patent/CN106122056A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38Blades
    • F04D29/384Blades characterised by form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/545Ducts
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20172Fan mounting or fan specifications

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of load box cooling system, it includes:Load box, tunnel inlet are located at side, and ducting outlet is located at top, and ducting outlet side is resistance region;Axial flow blower is horizontally set in the air duct of load box, and is located at below resistance region, and the horizontal gas flow outside load box is made to become upward uprush after axial flow blower.Its advantage is that:Improvement is made to air channel structure, wind is set to suck load box from side air admission by blower, then upper resistors are blowed to by the axial flow blower being horizontally mounted vertically upward, load cabinet is discharged upwards after flowing through resistance, and the axial blower of side dress is combined, while so that installation dimension is constant in load box, satisfaction sets the maximum operating point of axial flow blower air quantity to back pressure operating point needed for load box, meet design requirement, and does not increase the power and noise of blower motor.

Description

A kind of load box cooling system and its dedicated axial flow blower
Technical field
The present invention relates to a kind of load box cooling system and its dedicated axial flow blowers.
Background technique
Load box is a kind of test equipment for converting electrical energy into thermal energy, and thermal energy is as produced by electric resistance of stainless pipe , axial flow blower needs that thermal energy caused by resistance tube is expelled to outside load box body in a short time, prevents due to thermal energy Accumulation causes resistance tube the accidents such as to burn and occurs.
Since common axial flow blower outlet air back pressure is lower, and load the thickly dotted electricity of axial flow blower outlet air face used Pipe distribution is hindered, back pressure is very high, and according to load box design feature, can not install bigbore axial flow blower, therefore in high back pressure Operating point, common axial flow blower are unable to satisfy load box cooling requirements.
Summary of the invention
The purpose of the present invention is to provide a kind of load box cooling system and its dedicated axial flow blowers, can effectively solve negative It carries case cooling requirements and air quantity is big, high reliablity.
In order to achieve the above object, the invention is realized by the following technical scheme:
A kind of load box cooling system, characterized in that include:
Load box, tunnel inlet are located at side, and ducting outlet is located at top, and ducting outlet side is resistance region;
Axial flow blower is horizontally set in the air duct of load box, and is located at below resistance region, and the level outside load box is made Air-flow becomes upward uprush after axial flow blower;
Wherein, the axial flow blower includes:
Shell;
Motor, positioned at axial one end of shell, it includes a motor flange, motor flange is located in shell;
Multiple support plates are arranged radially along motor outer circle respectively, and motor is fixed on shell by multiple support plate;
More blades are located in shell, are arranged on the motor flange of motor.
Above-mentioned load box cooling system, wherein:
The axial flow blower is fixed in load box by shell.
Above-mentioned load box cooling system, wherein:
The position setting guide plate of tunnel inlet is corresponded to below the axial flow blower in the load box, guide plate is by air duct Gradually inclination upwards on the inside of entrance to load box.
Above-mentioned load box cooling system, wherein:
The blade is arcuate structure, and root of blade is most thick, and vane thickness gradually successively decreases to edge from root end.
Above-mentioned load box cooling system, wherein:
Blade root angle is adjustable to be mounted on the motor flange;
The leaf angle of blade is 38 °, one radian of position indent of the forward position of blade close to root of blade.
A kind of axial flow blower, characterized in that include:
Shell;
Motor, positioned at axial one end of shell, it includes a motor flange, motor flange is located in shell;
Multiple support plates are arranged radially along motor outer circle respectively, and motor is fixed on shell by multiple support plate;
More blades are located in shell, are arranged on the motor flange of motor.
Above-mentioned axial flow blower, wherein:
The blade is arcuate structure, and root of blade is most thick, and vane thickness gradually successively decreases to edge from root end.
Above-mentioned axial flow blower, wherein:
Blade root angle is adjustable to be mounted on the motor flange.
Above-mentioned axial flow blower, wherein:
The leaf angle of blade is 38 °, one radian of position indent of the forward position of blade close to root of blade.
Compared with the prior art, the present invention has the following advantages:
1, motor side being fixed on shell air duct, the support plate of such side can also be used when wind deflector, Thus motor is changed to it is side-mounted, and combine unique fan blade it is leaf, play increase draught area, reduce the amount of becalming, reinforce The effect of air-flow guiding, has been truly realized Wind Volume high back pressure;
2, improvement is made to air channel structure, so that wind is sucked load box from side air admission by blower, then by being horizontally mounted Axial flow blower blow to upper resistors vertically upward, flow through after resistance discharge load cabinet upwards, and combine the axial wind of side dress Machine, while so that installation dimension is constant in load box, satisfaction sets the maximum operating point of axial flow blower air quantity to load Back pressure operating point needed for case, meets design requirement, and does not increase the power and noise of blower motor.
Detailed description of the invention
Fig. 1 is the cross-sectional view of axial flow blower of the invention;
Fig. 2 is the main view of axial flow blower of the invention;
Fig. 3 is a kind of main view of load box cooling system of the invention;
Fig. 4 is the side sectional view of Fig. 3;
Fig. 5 is the perspective view of the blade of axial flow blower of the invention;
Fig. 6 is the main view of the blade of axial flow blower of the invention;
Fig. 7 is axial flow blower actual test operating condition point curve of the invention.
Specific embodiment
The present invention is further elaborated by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing.
As shown in Fig. 1 ~ 4, a kind of load box cooling system, it includes:Load box 7, tunnel inlet are located at side, air duct Outlet is located at top, and ducting outlet side is resistance region 6;Axial flow blower is horizontally set in the air duct of load box 7, and is located at 6 lower section of resistance region, makes the horizontal gas flow outside load box 7 become upward uprush after axial flow blower, wind is by axis stream Blower enters load box 7 from side air admission, and the thermal energy that the upward air draft of axial flow blower generates resistance region 6 is along heat dissipation channel i.e. wind 7 top of load box is discharged in road.
Wherein, the axial flow blower includes:Shell 4, axial flow blower are fixed in load box 7 by shell 4;Motor 1, Positioned at axial one end of shell 4, it includes a motor flange, motor flange is located in shell 4;Multiple support plates 2, respectively along electricity 1 outer circle of machine is arranged radially, and motor 1 is fixed on shell 4 by multiple support plate 2, is thus changed to motor 1 side-mounted;It is more Piece blade 3 is located in shell 4, is arranged on the motor flange of motor 1.
Corresponded to below the axial flow blower in the load box 7 tunnel inlet position setting guide plate 5, guide plate 5 by Tunnel inlet to 7 inside of load box gradually tilts upwards.
As shown in Figure 5,6, the blade 3 is arcuate structure, most thick 3 intensity of guarantee blade in 3 root 31 of blade, and blade 3 Thickness gradually successively decreases to edge from 31 end of root, forms streamlined, increasing top air quantity, the unique leaf combination side dress of fan blade The motor 1 of formula designs, and plays increase draught area, reduces the amount of becalming and strengthen air-flow guiding role.
In the present embodiment, 3 root of blade, 31 adjustable angle is mounted on the motor flange, and the leaf angle of blade 3 is 38 °, air output reaches maximum;It is poly- to play wind-guiding close to one radian 321 of position indent of 3 root 31 of blade in the forward position 32 of blade 3 Hold together effect, it is the actual test operating condition point curve of load box axial flow blower, in static pressure according to Fig.7, that 3 quantity of blade, which is 9, Under more than 300 Pa operating conditions, compressor flow is about 14500m2/h, has reached the air quantity requirement of actual use.
To sum up, it is designed using above-mentioned axial flow blower and load box cooling system, substitutes original import blower scheme, imitated Fruit is good, brings good economic benefits, and structure is simple, easy to maintain, securely and reliably, fully meets load box heat dissipation Technical requirements.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (5)

1. a kind of load box cooling system, which is characterized in that include:
Load box(7), tunnel inlet is located at side, and ducting outlet is located at top, and ducting outlet side is resistance region(6);
Axial flow blower is horizontally set on load box(7)Air duct in, and be located at resistance region(6)Lower section makes load box(7)Outside Horizontal gas flow become upward uprush after axial flow blower;
Wherein, the axial flow blower includes:
Shell(4);
Motor(1), it is located at shell(4)Axial one end, it includes a motor flange, motor flange is located at shell(4)It is interior;
Multiple support plates(2), respectively along motor(1)Outer circle is arranged radially, motor(1)Pass through multiple support plate(2)It is fixed to Shell(4)On;
More blades(3), it is located at shell(4)It is interior, it is arranged in motor(1)Motor flange on;
The blade(3)For arcuate structure, blade(3)Root(31)It is most thick, and blade(3)Thickness is from root(31)End gradually to Successively decrease edge;
Blade(3)Leaf angle be 38 °, blade(3)Forward position(32)Close to blade(3)Root(31)One radian of position indent (321);
The axial flow blower passes through shell(4)Fixed to load box(7)It is interior.
2. load box cooling system as described in claim 1, it is characterised in that:
In the load box(7)Guide plate is arranged in the position of corresponding tunnel inlet below interior axial flow blower(5), guide plate(5) By tunnel inlet to load box(7)Inside gradually tilts upwards.
3. load box cooling system as described in claim 1, it is characterised in that:
Blade(3)Root(31)Adjustable angle is mounted on the motor flange.
4. a kind of axial flow blower, which is characterized in that include:
Shell(4);
Motor(1), it is located at shell(4)Axial one end, it includes a motor flange, motor flange is located at shell(4)It is interior;
Multiple support plates(2), respectively along motor(1)Outer circle is arranged radially, motor(1)Pass through multiple support plate(2)It is fixed to Shell(4)On;
More blades(3), it is located at shell(4)It is interior, it is arranged in motor(1)Motor flange on;
The blade(3)For arcuate structure, blade(3)Root(31)It is most thick, and blade(3)Thickness is from root(31)End gradually to Successively decrease edge;
Blade(3)Leaf angle be 38 °, blade(3)Forward position(32)Close to blade(3)Root(31)One radian of position indent (321);
The axial flow blower passes through shell(4)Fixed to load box(7)It is interior.
5. axial flow blower as claimed in claim 4, it is characterised in that:
Blade(3)Root(31)Adjustable angle is mounted on the motor flange.
CN201610719612.5A 2016-08-24 2016-08-24 A kind of load box cooling system and its dedicated axial flow blower Active CN106122056B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610719612.5A CN106122056B (en) 2016-08-24 2016-08-24 A kind of load box cooling system and its dedicated axial flow blower

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Application Number Priority Date Filing Date Title
CN201610719612.5A CN106122056B (en) 2016-08-24 2016-08-24 A kind of load box cooling system and its dedicated axial flow blower

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CN106122056B true CN106122056B (en) 2018-11-27

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662635B (en) * 2017-03-28 2020-09-18 博西华电器(江苏)有限公司 Range hood and gear setting method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201159203Y (en) * 2008-05-18 2008-12-03 威海克莱特菲尔风机有限公司 Low noise axial fan blade
GB2455553A (en) * 2007-12-14 2009-06-17 Nuaire Ltd Axial flow fan motor mounting
CN101598135A (en) * 2009-06-30 2009-12-09 朱晓明 Axial-flow fan special for super large power load box
CN203069628U (en) * 2012-12-28 2013-07-17 中国船舶电站设备有限公司 Dry intelligent load box with novel structure
CN203847444U (en) * 2014-03-25 2014-09-24 南方风机股份有限公司 Motor installation structure of nuclear grade high-pressure axial flow fan
CN206111614U (en) * 2016-08-24 2017-04-19 中国船舶电站设备有限公司 Load box cooling system and dedicated axial fan thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2455553A (en) * 2007-12-14 2009-06-17 Nuaire Ltd Axial flow fan motor mounting
CN201159203Y (en) * 2008-05-18 2008-12-03 威海克莱特菲尔风机有限公司 Low noise axial fan blade
CN101598135A (en) * 2009-06-30 2009-12-09 朱晓明 Axial-flow fan special for super large power load box
CN203069628U (en) * 2012-12-28 2013-07-17 中国船舶电站设备有限公司 Dry intelligent load box with novel structure
CN203847444U (en) * 2014-03-25 2014-09-24 南方风机股份有限公司 Motor installation structure of nuclear grade high-pressure axial flow fan
CN206111614U (en) * 2016-08-24 2017-04-19 中国船舶电站设备有限公司 Load box cooling system and dedicated axial fan thereof

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