CN206459529U - A kind of finned heat exchanger - Google Patents
A kind of finned heat exchanger Download PDFInfo
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- CN206459529U CN206459529U CN201720137216.1U CN201720137216U CN206459529U CN 206459529 U CN206459529 U CN 206459529U CN 201720137216 U CN201720137216 U CN 201720137216U CN 206459529 U CN206459529 U CN 206459529U
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- heat exchanger
- casing
- finned heat
- fan
- aerofoil fan
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Abstract
The utility model discloses a kind of finned heat exchanger, it at least includes casing, the fins set on the casing, the air exhausting device located at the cabinet top, the front and rear side of the casing is provided with air intake, at least side is provided with the aerofoil fan for exhaust in the left and right sides portion of the casing, and the aerofoil fan is located at the middle and lower part of the heat exchanger on the housing.This causes the windward side drag characteristic of heat exchanger bottom to change, air quantity is redistributed, it is adjusted so as to the air quantity in each region in heat exchanging device inner fin group windward side, contain the higher phenomenon of heat exchanger top wind speed, so that the air quantity in each region in heat exchanger windward side tends to be balanced, and then effectively achieve the purpose of heat exchanger overall heat exchange performance.The finned heat exchanger only needs to set up several aerofoil fans on the basis of original structure, makes larger change without heat exchanging device self structure, its is simple in construction, and reliable operation, effect is notable.
Description
Technical field
The utility model is related to a kind of finned heat exchanger.
Background technology
The structure arrangement of existing large-sized wind cooling handpiece Water Chilling Units and Air-Cooled Heat Pump Unit is in the majority with the type of falling M, V-type, adapted
Blower fan is usually aerofoil fan.Found when actual use, the refrigeration of unit, heating performance are often not reaching to design requirement, very
Alarm is occurred in that to unit, it is impossible to normal operation.
Exclude by analysis after related causes, it is found that existing structure is arranged, the face velocity in each region of fin, actually
Bigger difference is there is, it is difficult to ensure that the being consistent property of wind speed of fin windward side.And in simulation calculation for simplified model,
Substituted into generally to the windward side wind speed of fin using average speed, be not included in different differences between the upper and lower, added unit and show
The influence that field application conditions are typically subject to the factors such as installation site is so preferable when being tested without laboratory, causes unit real
There is larger deviation between border performance and estimated performance.Especially in the bottom section of fin windward side, actual measurement find wind speed compared with
It is low, thus cause the heat exchange property of finned heat exchanger not reach design requirement, even influence machine when being run under some operating modes
The normal operation of group.For source pump, because bottom heat exchange is poor, thus frosting becomes serious, causes defrosting difficult, causes unit
Operational reliability declines, and has severely impacted the overall quality of product.
The content of the invention
The purpose of this utility model is to overcome the defect of prior art to be obtained significantly there is provided a kind of heat exchange property
Improved finned heat exchanger.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of finned heat exchanger, it at least includes
Casing, the fins set on the casing, the air exhausting device located at the cabinet top, the front and rear side of the casing are provided with
At least side is provided with the aerofoil fan for exhaust, the axle stream wind in air intake, the left and right sides portion of the casing
Fan is located at the middle and lower part of the heat exchanger on the housing.
Preferably, the aerofoil fan includes fan base on the housing is fixedly mounted, is rotatably arranged in the wind
The rotating shaft on seat, the axial blade on the rotating shaft outer end are fanned, and for driving the motor of the rotating shaft rotation.
Further, the aerofoil fan also includes being arranged on shutter on the outside of the axial blade, for controlling
The controller that shutter is opened or closed is stated, when the aerofoil fan is opened, the shutter is opened, the gas in the casing
Flowed out from the aerofoil fan and through the shutter；When the aerofoil fan is closed, the shutter is accordingly closed.
Further, the fan base has the middle cavity for being used for housing the aerofoil fan, the one of the fan base
End is fixedly connected on the housing, and the shutter is arranged on the other end of the fan base.
Preferably, the left and right sides of the casing is symmetrically provided with described aerofoil fan.
Preferably, the aerofoil fan is located at the lower area of the heat exchanger, the aerofoil fan on the housing
Rotating shaft and the bottom of shell between vertical distance be less than the heat exchanger height 1/3rd.
Preferably, the air exhausting device is the ventilating fan that multiple exhaust outlets are set upward.
Preferably, the finned heat exchanger is V-type finned heat exchanger, and the casing, which at least has, is divided into left and right two
The connecting plate of the del of side, the aerofoil fan is arranged on the bottom of the connecting plate.
Preferably, the finned heat exchanger is the type of falling M finned heat exchanger.
Specifically, the casing at least has two connecting plate groups for being divided into the left and right sides, each connecting plate group
Include two del connecting plates of the arrangement in the type of falling M, the bottom of each connecting plate is equipped with the axle described in one
Flow fan.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：This practicality is new
The finned heat exchanger of type, wherein by setting an axle stream respectively in the left and right sides middle and lower part of existing finned heat exchanger
Fan so that the windward side drag characteristic of heat exchanger bottom is changed so that air quantity is redistributed, so that heat exchanging device
The air quantity in each region in inner fin group windward side is adjusted, the higher phenomenon of containment heat exchanger top wind speed so that heat exchanger is met
The air quantity in each region in wind face tends to be balanced, and then effectively improves the overall heat exchange performance of heat exchanger.The finned heat exchanger exists
Only need to set up several aerofoil fans on the basis of original structure, larger change made without heat exchanging device self structure,
Its is simple in construction, reliable operation, is to solve in the art presence always and can not solve using more cheap cost
Fin windward side wind speed it is uneven the problem of, and effect is notable.
Brief description of the drawings
Accompanying drawing 1 is the dimensional structure diagram of the V-type finned heat exchanger of the utility model embodiment 1；
Accompanying drawing 2 is the side view of accompanying drawing 1；
Accompanying drawing 3 is the structural representation of the axis flow fan of accompanying drawing 1；
Accompanying drawing 4 is the dimensional structure diagram of the type of the falling M finned heat exchanger of the utility model embodiment 2；
Accompanying drawing 5 is the side view of accompanying drawing 4.
Wherein：1st, casing；11st, connecting plate；12nd, bottom plate；13rd, cover plate；
2nd, ventilating fan；
3rd, aerofoil fan；31st, fan base；32nd, axial blade；33rd, rotating shaft；34th, motor；35th, shutter；36th, middle cavity.
Embodiment
The technical solution of the utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Referring to a kind of V-type finned heat exchanger shown in Fig. 1, Fig. 2, it includes casing 1, the fins set on casing 1
（Not shown in figure）, air exhausting device located at the top of casing 1, the front and rear side of casing 1 is provided with air intake, so that air enters
The air exhausting device through top is discharged upwards again after being exchanged heat after heat exchanger with fins set.
Referring to shown in Fig. 1, Fig. 2, casing 1 includes being located at the del connecting plate 11 of the left and right sides respectively, is connected to two
Bottom plate 12 between the bottom of side connecting plate 11, the cover plate 13 being connected between the top of two side connecting plate 11, air exhausting device is adopted herein
The ventilating fan 2 that on cover plate 13 and exhaust outlet is set up is arranged on for 2, the ventilating fan 2 can use tube-axial fan.
Referring to shown in Fig. 1, Fig. 2, the finned heat exchanger also includes at least side being arranged in the left and right sides portion of casing 1
Aerofoil fan 3 in portion and for being vented, the aerofoil fan 3 is located at the middle and lower part region of heat exchanger on casing 1.So can be with
So that the wind collateral resistance characteristic of heat exchanger bottom changes, so that air quantity is redistributed, and then heat exchanging device inner fin
Each region air quantity of group windward side is adjusted, that is, contains the higher phenomenon of heat exchanger top wind speed so that heat exchanger windward side
The air quantity in each region tends to be balanced.
Herein, aerofoil fan 3 is provided with the left and right sides portion of casing 1, two aerofoil fans 3 are separately mounted to
On the connecting plate 12 of both sides and in the bottom inverted triangle region of connecting plate 12, the aerofoil fan 3 of both sides is symmetrical arranged.
It is shown in Figure 3, the aerofoil fan 3 include be fixedly mounted on casing 1 fan base 31, be rotatably arranged at wind
Fan the rotating shaft 33 on seat 31, the axial blade 32 on the outer end of rotating shaft 33, and the electricity rotated for drive shaft 33
Machine 34, fan base 31 has the middle cavity 36 for being used for housing axial blade 32.During specific setting, the connecting plate 11 of the both sides of casing 1
The upper mounting hole that offers respectively is installed for the corresponding matching of fan base 31；The specific installation site of aerofoil fan 3 can be according to actual work
Condition selection corresponding with requiring progress and adjustment, it is preferably provided in the lower area of heat exchanger, i.e. axle stream wind on casing 1
Vertical distance between the rotating shaft 33 of fan 3 and the bottom of casing 1 is more preferably less than 1/3rd of heat exchanger whole height.
Shown in Figure 3, the aerofoil fan 3 also includes the shutter 35 for being arranged on the outside of axial blade 32, and is used for
The controller for controlling the shutter 35 to open or close（Not shown in figure）.When aerofoil fan 3 opens work, the shutter 35
Open, the gas in casing 1 is flowed outwardly from aerofoil fan 3 and by shutter 35；And when aerofoil fan 3 is closed without working
When, the shutter 35 is accordingly closed.Specific when setting, controller selects automatic controller, and with the motor 34 of aerofoil fan 3
Dynamic control work.The fan tapping that can prevent from setting up on casing 1 is so set, stopped when newly-increased aerofoil fan 3 is in
Cause windward side short circuit problem during operation.
Through practical measurement data display, the wind speed of exchanger base is preferably improved, the air quantity of finned heat exchanger
The wind speed obtained in rational distribution and fin different zones reduces deviation, and the wind speed of heat exchanger windward side can also reach
More consistent property it is distributed.
So, after one aerofoil fan 3 being set respectively in the middle and lower part in the left and right sides portion of casing 1, considerably improve and change
The wind speed of hot device bottom so that the wind speed of heat exchanger windward side is distributed in which can reach more consistent property, so that heat exchanger
Overall heat exchange property is significantly improved, and then overall performance is improved.
When finned heat exchanger is in refrigeration mode, because condensation temperature declines, unit refrigerating capacity, coefficient of refrigerating performance are obtained
Improve, unit under bad working environments can be effectively prevented from and produce alarm and shut down phenomenon；Mould is heated when finned heat exchanger is in
During formula, fin bottom portion condensation water is then easy to be pulled away, and reduces the serious phenomenon of frosting, and improve the icing of unit bottom now
As while also causing the unit defrost cycle to be extended, reducing defrost number of times, improving the reliability of unit.
Meanwhile, this kind of set-up mode need not do too big change on the basis of the self structure of original finned heat exchanger
Become, and be only through setting up aerofoil fan 3 and can complete, its is with low cost, using reliable.
Certainly, during the heat exchanger works, above-mentioned aerofoil fan 3 it is not absolutely required to put into operation, and only
Have when unit is in the bad working environments of refrigeration（When such as condensation temperature is higher）And unit heating operation environment temperature it is relatively low when, should
Aerofoil fan 3 puts into operation, to improve the overall heat exchange of heat exchanger.
Embodiment 2
Referring to one kind type of falling M finned heat exchanger shown in Fig. 4, Fig. 5, it essentially consists in heat exchanger compared with Example 1
Structure type it is different.Specifically, the casing 1 of the heat exchanger includes being divided into two connecting plate groups of the left and right sides, is connected to
Bottom plate 12 between two side connecting plate group bottoms, be connected at the top of two side connecting plate groups between cover plate 13, the two of air exhausting device
Individual ventilating fan is arranged on cover plate 13.
In the embodiment, the connecting plate group per side includes two del connecting plates 11 of the arrangement in the type of falling M, often
An aerofoil fan 3 is provided with the bottom inverted triangle region of individual connecting plate 11.So, the type of falling M is also significantly improved
The overall heat exchange performance of finned heat exchanger.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of finned heat exchanger, it at least includes casing, the fins set on the casing, located at the cabinet top
Air exhausting device, the front and rear side of the casing is provided with air intake, it is characterised in that：The left and right sides portion of the casing is up to
Rare side is provided with the aerofoil fan for exhaust, under the aerofoil fan is located in the heat exchanger on the housing
Portion.
2. finned heat exchanger according to claim 1, it is characterised in that：The aerofoil fan includes being fixedly mounted on institute
State the fan base on casing, the rotating shaft being rotatably arranged on the fan base, the axle stream leaf on the rotating shaft outer end
Piece, and for driving the motor of the rotating shaft rotation.
3. finned heat exchanger according to claim 2, it is characterised in that：The aerofoil fan is also described including being arranged on
Shutter on the outside of axial blade, the controller for controlling the shutter to open or close, when the aerofoil fan is opened,
The shutter is opened, and the gas in the casing flows out from the aerofoil fan and through the shutter；The aerofoil fan
During closing, the shutter is accordingly closed.
4. finned heat exchanger according to claim 3, it is characterised in that：The fan base, which has, to be used to house the axle
The middle cavity of flow fan, one end of the fan base is fixedly connected on the housing, and the shutter is arranged on the fan
On the other end of seat.
5. finned heat exchanger according to claim 1, it is characterised in that：The left and right sides of the casing is symmetrically arranged
There is described aerofoil fan.
6. finned heat exchanger according to claim 1, it is characterised in that：The aerofoil fan is located on the housing
The lower area of the heat exchanger, the vertical distance between the rotating shaft of the aerofoil fan and the bottom of shell is less than described change
/ 3rd of hot device height.
7. finned heat exchanger according to claim 1, it is characterised in that：The air exhausting device be multiple exhaust outlets upward
The ventilating fan of setting.
8. according to any described finned heat exchanger of claim 1 to 7, it is characterised in that：The finned heat exchanger is V-type
Finned heat exchanger, the casing at least has the connecting plate for the del for being divided into the left and right sides, the aerofoil fan peace
Mounted in the bottom of the connecting plate.
9. according to any described finned heat exchanger of claim 1 to 7, it is characterised in that：The finned heat exchanger is M
Type finned heat exchanger.
10. finned heat exchanger according to claim 9, it is characterised in that：The casing, which at least has, is divided into left and right
Two connecting plate groups of both sides, each connecting plate group includes two del connecting plates of the arrangement in the type of falling M, each
The bottom of the connecting plate is equipped with the aerofoil fan described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720137216.1U CN206459529U (en) | 2017-02-15 | 2017-02-15 | A kind of finned heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720137216.1U CN206459529U (en) | 2017-02-15 | 2017-02-15 | A kind of finned heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459529U true CN206459529U (en) | 2017-09-01 |
Family
ID=59694734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720137216.1U Active CN206459529U (en) | 2017-02-15 | 2017-02-15 | A kind of finned heat exchanger |
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| Country | Link |
|---|---|
| CN (1) | CN206459529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388559A (en) * | 2017-09-05 | 2017-11-24 | 深圳市大众新源节能科技有限公司 | A kind of central air-conditioning heat exchanger with centrifugal fan |
| CN110715464A (en) * | 2019-10-29 | 2020-01-21 | 江苏金荣森制冷科技有限公司 | Air-cooled energy-saving industrial refrigerator |
| CN114646105A (en) * | 2022-03-24 | 2022-06-21 | 青岛海尔空调电子有限公司 | Air-conditioning system and its top-out air-conditioning outdoor unit |
-
2017
- 2017-02-15 CN CN201720137216.1U patent/CN206459529U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388559A (en) * | 2017-09-05 | 2017-11-24 | 深圳市大众新源节能科技有限公司 | A kind of central air-conditioning heat exchanger with centrifugal fan |
| CN110715464A (en) * | 2019-10-29 | 2020-01-21 | 江苏金荣森制冷科技有限公司 | Air-cooled energy-saving industrial refrigerator |
| CN114646105A (en) * | 2022-03-24 | 2022-06-21 | 青岛海尔空调电子有限公司 | Air-conditioning system and its top-out air-conditioning outdoor unit |
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