CN104930790B - Casing, wind cooling refrigerator and the Duct design method of wind cooling refrigerator - Google Patents
Casing, wind cooling refrigerator and the Duct design method of wind cooling refrigerator Download PDFInfo
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- CN104930790B CN104930790B CN201510353803.XA CN201510353803A CN104930790B CN 104930790 B CN104930790 B CN 104930790B CN 201510353803 A CN201510353803 A CN 201510353803A CN 104930790 B CN104930790 B CN 104930790B
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- volute tongue
- cooling refrigerator
- wind cooling
- volute
- centrifugal blower
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
Abstract
The present invention discloses a kind of casing of wind cooling refrigerator, wind cooling refrigerator and Duct design method, wherein, the casing of wind cooling refrigerator includes air duct, which includes multiple channels, and each channel is guided to the air outlet of corresponding wind cooling refrigerator to the wind that is blown out the centrifugal blower of wind cooling refrigerator;Multiple channels are formed by multiple volute tongue intervals in air duct;Each volute tongue is with one close to the end of centrifugal blower;Multiple volute tongues include adjacent successively the first volute tongue, the second volute tongue and third volute tongue, gradually increase at a distance from the respective fan center with centrifugal blower in end of the end of first volute tongue, the end of the second volute tongue and third volute tongue, so that the end of the end of the first volute tongue, the end of the second volute tongue and third volute tongue is located on same spiral case inlet pressure.Technical solution of the present invention can reduce flow losses distinguished and admirable in the air duct, improve the efficiency of centrifugal blower in the air duct.
Description
Technical field
The present invention relates to wind cooling refrigerator technical field, more particularly to a kind of casing of wind cooling refrigerator, wind cooling refrigerator and air duct
Design method.
Background technology
Referring to Fig.1, Fig. 1 is a kind of air channel structure schematic diagram of wind cooling refrigerator in the prior art.In such wind cooling refrigerator
Centrifugal blower 110 is equipped in air duct 100, which is equipped with 7 volute tongues air duct 100 to be divided into 7 channels 130
120, each channel 130 is drained to corresponding air outlet (not shown) to the wind for being blown out centrifugal blower 110, and by right
The air outlet answered is sent to the refrigeration chamber of wind cooling refrigerator, between each air outlet independently of each other.In such wind cooling refrigerator, volute tongue
120 specific location is generally according to Experience Design, in this way, being designed with for 120 specific location of volute tongue is stronger subjective random, from
The wind that heart wind turbine 110 is blown out is difficult to obtain effective water conservancy diversion, leads to the inefficiency of centrifugal blower 110.
Invention content
The main object of the present invention is to provide a kind of casing of wind cooling refrigerator, it is intended to improve the air duct of the casing of wind cooling refrigerator
The efficiency of middle centrifugal blower.
To achieve the above object, a kind of casing of wind cooling refrigerator proposed by the present invention includes air duct, and the air duct includes more
A channel, each channel are guided to corresponding described air-cooled to the wind that is blown out the centrifugal blower of the wind cooling refrigerator
The air outlet of refrigerator;The multiple channel is formed by multiple volute tongue intervals in the air duct;Each volute tongue has one to lean on
The end of the nearly centrifugal blower;The multiple volute tongue includes adjacent successively the first volute tongue, the second volute tongue and third volute tongue, institute
The end for stating the end of the first volute tongue, the end of second volute tongue and the third volute tongue is respective with the centrifugal blower
The distance of fan center gradually increases so that the end of first volute tongue, the second volute tongue end and third volute tongue end
On same first spiral case inlet pressure.
Preferably, the multiple channel includes multiple first passages and multiple second channels;The machine of the wind cooling refrigerator
There is shell the first opposite side and the second side, the multiple first passage to be extended to first side, and the multiple second
Channel is extended to the second side;Between first volute tongue and second volute tongue and second volute tongue and described
Two first passages are formed between third volute tongue.
Preferably, the casing of the wind cooling refrigerator is vertically arranged, and each first passage has towards the centrifugation
The first passage mouth of wind turbine, each first passage mouth be formed in be formed two volute tongues of corresponding first passage both ends it
Between;The multiple first passage is spaced setting from top to bottom, and multiple first passage mouths of the multiple first passage from up to
Under be gradually reduced.
Preferably, the end face of the direction centrifugal blower of any volute tongue end is arc-shaped surface.
Preferably, the radius of the end face is the 7% to 11% of the centrifugal blower fan radius.
Preferably, the lingual surface for being used to form the vias inner walls of any volute tongue is arc-shaped surface, one end of the lingual surface
Corresponding air outlet is connected, the other end of the lingual surface and the end face are tangent.
Preferably, the curvature circle-center of opposite two lingual surfaces in same channel is located at the same side of corresponding lingual surface.
Preferably, the multiple volute tongue includes the 4th volute tongue, the 5th volute tongue and the 6th volute tongue adjacent successively, and the described 4th
Two second channels are formed between volute tongue and the 5th volute tongue and between the 5th volute tongue and the 6th volute tongue;
The end of the end of 4th volute tongue, the end of the 5th volute tongue and the 6th volute tongue is respective with the centrifugal blower
The distance of fan center gradually increase so that the end of the 4th volute tongue, the 5th volute tongue end and the 6th volute tongue end
Portion is located on same second spiral case inlet pressure.
The present invention also proposes a kind of wind cooling refrigerator, which is characterized in that includes the casing of the wind cooling refrigerator, the air-cooled ice
The casing of case includes air duct, and the air duct includes multiple channels, and each channel is to by the centrifugal blower of wind cooling refrigerator institute
The wind of blowout is guided to the air outlet of the corresponding wind cooling refrigerator;The multiple channel is by more in the air duct
A volute tongue interval is formed;Each volute tongue is with one close to the end of the centrifugal blower;The multiple volute tongue includes adjacent successively
The first volute tongue, the second volute tongue and third volute tongue, the end of first volute tongue, the end of second volute tongue and the third
The end of volute tongue is respective gradually to increase at a distance from the fan center of the centrifugal blower, so that the end of first volute tongue
The end in portion, the end of the second volute tongue and third volute tongue is located on same first spiral case inlet pressure.
The present invention also proposes a kind of Duct design method, and the air duct includes multiple channels, and each channel will be to will be described
The wind that the centrifugal blower of wind cooling refrigerator is blown out is guided to the air outlet of the corresponding wind cooling refrigerator;The multiple channel
It is formed by multiple volute tongue intervals in the air duct;Each volute tongue is with one close to the end of the centrifugal blower;It is described
Multiple volute tongues include adjacent successively the first volute tongue, the second volute tongue and third volute tongue;The Duct design method includes following step
Suddenly:
A, according to the basic parameter of centrifugal blower, one first spiral case is determined by impeller center of the fan center of centrifugal blower
Molded line;
B, the end of the end of first volute tongue, the end of second volute tongue and the third volute tongue is set to described
On first spiral case inlet pressure.
In the air duct of the casing of wind cooling refrigerator provided by the present invention, the end of the first volute tongue, the second volute tongue end and
The end of third volute tongue is located on same first spiral case inlet pressure, i.e. between the first volute tongue and the second volute tongue and the second volute tongue and
The passway that two channels are formed by between three volute tongues is located on the first spiral case inlet pressure, can be so that being blown out from centrifugal blower
Wind energy is guided to corresponding air outlet better by two channels, and reduces flow losses distinguished and admirable in the air duct, improves
The efficiency of wind is centrifuged in the air duct.
Description of the drawings
Fig. 1 is a kind of air channel structure schematic diagram of wind cooling refrigerator in the prior art;
Fig. 2 is the structural schematic diagram of one embodiment of casing of wind cooling refrigerator of the present invention;
Fig. 3 is the structural schematic diagram of another embodiment of casing of wind cooling refrigerator of the present invention;
Fig. 4 is the flow diagram of one embodiment of Duct design method of the present invention.
Prior art drawing reference numeral explanation:
Air duct 100 | Centrifugal blower 1100 | Volute tongue 120 | Channel 130 |
Drawing reference numeral explanation of the present invention:
Air duct 10 | Centrifugal blower 20 | First spiral case inlet pressure 30 | Second spiral case inlet pressure 40 |
Volute tongue 11 | Channel 12 | First passage 13 | Second channel 14 |
Third channel 15 | First opening 31 | Second opening 32 | Lingual surface 111 |
First volute tongue 112 | Second volute tongue 113 | Third volute tongue 114 | 4th volute tongue 115 |
5th volute tongue 116 | 6th volute tongue 117 | First passage mouth 131 |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described further with regard to technical scheme of the present invention.It should be appreciated that this
The described specific embodiment in place is only used to explain the present invention, is not intended to limit the present invention.
It should be noted that in the description of the present invention, the orientation or position of the instructions such as term "upper", "lower", "left", "right"
It is to be based on the orientation or positional relationship shown in the drawings to set relationship, is merely for convenience of description of the present invention and simplification of the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.
The present invention proposes a kind of casing of wind cooling refrigerator.
It is the structural schematic diagram of one embodiment of casing of wind cooling refrigerator of the present invention with reference to Fig. 2, Fig. 2.
In the present embodiment, the casing of the wind cooling refrigerator includes air duct 10, and centrifugal blower 20, the wind are equipped in the air duct 10
Multiple mutually independent air outlet (not shown) are additionally provided in the casing of cold refrigerator.The air duct 10 includes multiple channels 12, each
Channel 12 is guided to corresponding air outlet to the wind for being blown out centrifugal blower 20.Multiple channel 12 is by being set to air duct
The interval of multiple volute tongues 11 in 10 is formed.Each volute tongue 11 is with one close to the end of centrifugal blower 20;Multiple volute tongue 11 is wrapped
Include the first adjacent successively volute tongue 112, the second volute tongue 113 and third volute tongue 114, wherein the end of the first volute tongue 112, second
The end of the volute tongue 113 and end of third volute tongue 114 is respective gradually increases at a distance from the fan center of centrifugal blower 20, with
The end of the end of the first volute tongue 112, the end of the second volute tongue 113 and third volute tongue 114 is set to be located at same first spiral case inlet pressure
On 30.In the present embodiment, which is the basic parameter according to centrifugal blower 20, with the fan of centrifugal blower 20
Center is determined by impeller center;The basic parameter of centrifugal blower 20 includes the size of centrifugal blower 20, rotation speed of fan, leaf
Take turns angle of outlet etc..In the present embodiment, each channel 12 is with one close to the passway of centrifugal blower 20.
In the air duct 10 of the casing for the wind cooling refrigerator that the present embodiment is provided, the end of the first volute tongue 112, the second volute tongue
113 end and the end of third volute tongue 114 are located on same first spiral case inlet pressure 30, i.e. the first volute tongue 112 and the second volute tongue
The passway that two channels 12 are formed by between 113 and between the second volute tongue 113 and third volute tongue 114 is located at the first spiral case
It, can be so that the wind energy blown out from centrifugal blower 20 be guided to corresponding air-supply better by two channels 12 on molded line 30
Mouthful, and flow losses distinguished and admirable in the air duct 10 are reduced, improve the efficiency of centrifugal blower 20 in the air duct 10.
Further, multiple channel 12 includes multiple first passages 13 and multiple second channels 14.The wind cooling refrigerator
Casing have the first opposite side and the second side, multiple first passage 13 to the first side of casing be extended, it is multiple
Second channel is extended to the second side of casing.In the present embodiment, between the first volute tongue 112 and the second volute tongue 113 and
Two first passages 13 in multiple first passage 13 are formed between two volute tongues 113 and third volute tongue 114.Certainly, this implementation
In example, the volute tongue 11 to form first passage 13 may also include except the first volute tongue 112, the second volute tongue 113 and third volute tongue 114
Except other volute tongues, and the end of other volute tongues also is located on the first spiral case inlet pressure 30, with improve as possible in the air duct 10 from
The efficiency of heart wind turbine 20.In the present embodiment, multiple air outlets corresponding to multiple first passages 13, which are vertically spaced, to be set
In the case of setting, normally, if the fan of centrifugal blower 20 rotates clockwise, the first 31 courts of opening of the first spiral case inlet pressure 30
To the right side (as shown in Figure 2) in air duct 10;If the fan of centrifugal blower 20 rotates counterclockwise, the first of the first spiral case inlet pressure 30
Be open 31 left sides towards air duct 10.In the present embodiment, the first side of the casing of the wind cooling refrigerator refers to the left side in air duct 10, the wind
The second side of the casing of cold refrigerator refers to the right side in air duct 10, and the extending direction of each first passage 13 is approximately towards the left side in air duct 10
Side, the extending direction of each second channel 14 are approximately towards the right side in air duct 10.In the present embodiment, multiple channel 12 can also wrap
Include the third channel 15 for upwardly extending setting.Certainly, in other embodiments of the invention, corresponding to multiple first passages 13
Multiple air outlets it is horizontally spaced setting (such as each air outlet correspond to a refrigeration compartment, multiple refrigeration compartments are along water
Square to being alternatively arranged) in the case of, the first side of the casing of the wind cooling refrigerator also can refer to the upside in air duct 10, the wind cooling refrigerator
The second side of casing also can refer to the downside in air duct 10.
In this embodiment, it is preferred that the first spiral case inlet pressure between two volute tongues, 11 end of corresponding first passage mouth 131
Length is obtained by the default air quantity pro rate for corresponding to air outlet, in this way, the subjectivity of 10 structure design of air duct can be reduced arbitrarily
Property, and the air duct that the air quantity of the different air outlets in the air duct 10 can be enable reasonably to be distributed, and can farthest be made
The analogues value of 10 designs are close to theoretical value.In the present embodiment, specifically the casing of the wind cooling refrigerator is vertically arranged, each
First passage 13 has a first passage mouth 131 towards centrifugal blower 20, and each first passage mouth 131 is formed in be formed pair
Between the both ends of two volute tongues 11 for answering first passage 13.Air quantity needed for different air outlets is typically inconsistent, and can root
The size and required temperature of the refrigeration compartment being connected to according to corresponding air outlet determine the default air quantity ratio of different air outlets.Pass through
The air quantity for being guided to corresponding air outlet can be controlled by controlling the openings of sizes of the first passage mouth 131 of first passage 13;First passage
The openings of sizes of mouth 131 corresponds to the first spiral case inlet pressure length between two volute tongues, 11 end of first passage mouth 131.Certainly,
In the present embodiment, in two snails of each first passage mouth of default air quantity pro rate according to corresponding multiple air outlets 131
After the first spiral case inlet pressure length between tongue end, is also calculated using analogue simulation software (such as CFD) and correct every 1 the
The first spiral case inlet pressure length between two volute tongue ends of one passway 131, further to meet the difference first in the air duct 10
The allocation of the amount of air of air outlet corresponding to channel 13 needs.In the present embodiment, multiple second channel 14 is located at the first volute type
It, can be according to warp to form the specific location of end of multiple volute tongues 11 of multiple second channels 14 at first opening 31 of line 30
It tests and its position is set.
In the present embodiment, specifically, multiple first passage 13 is spaced setting, and multiple first passage from top to bottom
13 multiple first passage mouths 131 are gradually reduced from top to bottom.In the present embodiment, multiple corresponding to multiple first passages 13 send
Air port is spaced setting from top to bottom, and is connected to same refrigeration compartment, and since cold wind can sink, normally, what is be located above send
Air quantity needed for air port is greater than the air quantity needed for the air outlet of lower section.
Further, the end face towards centrifugal blower 20 of 11 end of any volute tongue is arc-shaped surface, so that centrifugal blower
20 wind energies blown out are preferably guided to by vortex tongue 11 in channel 12.The end towards centrifugal blower 20 of 11 end of any volute tongue
The radius in face is the 7% to 11% of 20 fan radius of centrifugal blower, it is preferable that 11 end of any volute tongue towards centrifugal blower 20
End face radius be 20 fan radius of centrifugal blower 10%, conference is crossed in the end face towards centrifugal blower 20 of 11 end of volute tongue
The fluency for the wind that obstruction centrifugal blower 20 is blown out.
Further, the lingual surface 111 for being used to form 12 inner wall of channel of any volute tongue 11 is arc-shaped surface, to improve channel
Distinguished and admirable fluency in 12.Specifically, one end of lingual surface 111 connects corresponding air outlet, the other end of lingual surface 111 and corresponding snail
The end face towards centrifugal blower 20 of 11 end of tongue is tangent.
In the present embodiment, specifically, the curvature circle-center of opposite two lingual surfaces 111 in same channel 12 is located at corresponding lingual surface 111
The same side, i.e. opposite two lingual surfaces 111 in same channel 12 are recessed towards same direction, distinguished and admirable in channel 12 to further increase
Fluency.
It is the structural schematic diagram of another embodiment of casing of wind cooling refrigerator of the present invention with reference to Fig. 3, Fig. 3.In the present embodiment,
Further, multiple volute tongues 11 include the 4th volute tongue 115, the 5th volute tongue 116 and the 6th volute tongue 117 adjacent successively, wherein
Two aforementioned second are formed between 4th volute tongue 115 and the 5th volute tongue 116 and between the 5th volute tongue 116 and the 6th volute tongue 117
Channel 14.In the present embodiment, the end of the end of the 4th volute tongue 115, the end of the 5th volute tongue 116 and the 6th volute tongue 117 is respectively
Gradually increase at a distance from the fan center of centrifugal blower 20 so that the end of the end of the 4th volute tongue 115, the 5th volute tongue 116
Portion and the end of the 6th volute tongue 117 are located on same second spiral case inlet pressure 40, distinguished and admirable in the air duct 10 to further decrease
Flow losses, and further increase the efficiency of centrifugal blower 20 in the air duct 10.In the present embodiment, second spiral case inlet pressure 40
Opening direction is towards the first side of casing.In the present embodiment, which is similarly the base according to centrifugal blower 20
This parameter, using the fan center of centrifugal blower 20 as determined by impeller center.Similarly, in the present embodiment, to form
The volute tongue 11 in two channels 14 may also include other volute tongues in addition to the 4th volute tongue 115, the 5th volute tongue 116 and the 6th volute tongue 117,
And the end of other volute tongues also is located on the second spiral case inlet pressure 40, to improve the efficiency of centrifugal blower 20 in the air duct 10 as possible.
The present invention also proposes a kind of wind cooling refrigerator, which includes casing, and the concrete structure of the casing is with reference to aforementioned
Embodiment equally has above-mentioned implementation since this wind cooling refrigerator uses whole technical solutions of above-mentioned all embodiments
All advantageous effects caused by the technical solution of example, this is no longer going to repeat them.
The present invention also proposes a kind of Duct design method.
It is the flow diagram of one embodiment of Duct design method of the present invention with reference to Fig. 4, Fig. 4.In the present embodiment, air duct
Including multiple channels, each channel is guided to corresponding air-cooled ice to the wind for being blown out the centrifugal blower of wind cooling refrigerator
The air outlet of case;Multiple channel is formed by multiple volute tongue intervals in air duct, and each volute tongue has a close centrifugation wind
The end of machine;Multiple volute tongue includes adjacent successively the first volute tongue, the second volute tongue and third volute tongue.
The Duct design method includes:
Step S10 determines one according to the basic parameter of centrifugal blower by impeller center of the fan center of centrifugal blower
One spiral case inlet pressure;
Step S20 sets the end of the end of first volute tongue, the end of second volute tongue and the third volute tongue
In on first spiral case inlet pressure.
In the present embodiment, the air outlet corresponding to each channel is independent.The basic parameter of centrifugal blower includes centrifugation
Size, rotation speed of fan, impeller outlet angle of wind turbine etc..In the present embodiment, each channel is with one close to centrifugal blower
Passway.The end of the end of first volute tongue, the end of the second volute tongue and third volute tongue is set on same first spiral case inlet pressure,
On the one hand it may make between the first volute tongue and the second volute tongue and be formed by between the second volute tongue and third volute tongue two channels
Passway be located on the first spiral case inlet pressure so that the wind energy blown out from centrifugal blower is better by two channels
It is guided to corresponding air outlet, and then reduces flow losses distinguished and admirable in the air duct, improves the efficiency of centrifugal blower in the air duct;
On the other hand the subjectivity that air channel structure design can be reduced is random.
In the present embodiment, further, after step S30, which further includes:
Step S30, it is each on the first spiral case inlet pressure according to the default air quantity pro rate of corresponding multiple air outlets
The first spiral case inlet pressure length between two volute tongue ends of passway.
In the present embodiment, the air quantity needed for different air outlets is typically inconsistent, and can be connected according to corresponding air outlet
The size and required temperature of logical refrigeration compartment determine the default air quantity ratio of different air outlets.Pass through the passway of control channel
Openings of sizes can control the air quantity for being guided to corresponding air outlet;The openings of sizes of passway corresponds to two volute tongues of the passway
The first spiral case inlet pressure length between end.The Duct design method that the present embodiment is provided is in the master for reducing air channel structure design
While seeing random, the air quantity of the different air outlets of the correlation in air duct can be also set reasonably to be distributed, and big degree can be done
The analogue value for the Duct design that ground makes is close to theoretical value.
In the present embodiment, further, after step S30, which further includes:Step S40 is utilized
Analogue simulation software calculates and corrects the first spiral case between two volute tongue ends of each passway on the first spiral case inlet pressure
Molded line length, the allocation of the amount of air needs of the air outlet corresponding to the different channels of correlation further to meet the air duct.This implementation
In example, which can be, but not limited to as CFD.Certainly, after the step s 40, in the verification experimental verification process in later stage
In, the specific position of each volute tongue end on the first spiral case inlet pressure can be finely tuned according to the actual air volume distribution condition in the air duct
It sets, the allocation of the amount of air needs of the air outlet corresponding to the different channels of the correlation to meet the air duct.
It should be noted that the technical solution of each embodiment of the present invention can be combined with each other, but must be with this
The technical staff in field can be implemented as basis, when the combination of technical solution occur it is conflicting or when cannot achieve should people recognize
Combination for this technical solution is not present, also not the present invention claims protection domain within.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of casing of wind cooling refrigerator, including air duct, which is characterized in that the air duct includes multiple channels, and each channel is used
The air outlet of the corresponding wind cooling refrigerator is guided to the wind for being blown out the centrifugal blower of the wind cooling refrigerator;It is described
Multiple channels are formed by multiple volute tongue intervals in the air duct;Each volute tongue is with one close to the end of the centrifugal blower
Portion;The multiple volute tongue includes adjacent successively the first volute tongue, the second volute tongue and third volute tongue, the end of first volute tongue,
The end of second volute tongue and the end of the third volute tongue it is respective at a distance from the fan center of the centrifugal blower by
It is cumulative big, so that the end of the end of first volute tongue, the end of the second volute tongue and third volute tongue is located at same first spiral case
On molded line.
2. the casing of wind cooling refrigerator as described in claim 1, which is characterized in that the multiple channel includes multiple first logical
Road and multiple second channels;The casing of the wind cooling refrigerator has the first opposite side and the second side, the multiple first passage
It is extended to first side, the multiple second channel is extended to the second side;First volute tongue and described
Two first passages are formed between second volute tongue and between second volute tongue and the third volute tongue.
3. the casing of wind cooling refrigerator as claimed in claim 2, which is characterized in that the casing of the wind cooling refrigerator is vertically
There is the first passage mouth towards the centrifugal blower, each first passage mouth to be formed in shape for setting, each first passage
Between both ends at two volute tongues of corresponding first passage;The multiple first passage is spaced setting from top to bottom, and described more
Multiple first passage mouths of a first passage are gradually reduced from top to bottom.
4. the casing of wind cooling refrigerator as described in any one of claims 1 to 3, which is characterized in that the direction of any volute tongue end
The end face of the centrifugal blower is arc-shaped surface.
5. the casing of wind cooling refrigerator as claimed in claim 4, which is characterized in that the radius of the end face is the centrifugal blower
The 7% to 11% of fan radius.
6. the casing of wind cooling refrigerator as claimed in claim 5, which is characterized in that any volute tongue is used to form in the channel
The lingual surface of wall is arc-shaped surface, and one end of the lingual surface connects corresponding air outlet, the other end of the lingual surface and the end face
It is tangent.
7. the casing of wind cooling refrigerator as claimed in claim 6, which is characterized in that the circle of curvature of opposite two lingual surfaces in same channel
The heart is located at the same side of corresponding lingual surface.
8. the casing of wind cooling refrigerator as claimed in claim 2, which is characterized in that the multiple volute tongue includes successively adjacent
Four volute tongues, the 5th volute tongue and the 6th volute tongue, between the 4th volute tongue and the 5th volute tongue and the 5th volute tongue and institute
It states and forms two second channels between the 6th volute tongue;The end of 4th volute tongue, the end of the 5th volute tongue and institute
State the 6th volute tongue end it is respective gradually increase at a distance from the fan center of the centrifugal blower so that the 4th volute tongue
End, the end of the 5th volute tongue and the end of the 6th volute tongue be located on same second spiral case inlet pressure.
9. a kind of wind cooling refrigerator, which is characterized in that include the casing such as claim 1 to 8 any one of them wind cooling refrigerator.
10. a kind of Duct design method, the air duct includes multiple channels, and each channel is to by the centrifugation of the wind cooling refrigerator
The wind that wind turbine is blown out is guided to the air outlet of the corresponding wind cooling refrigerator;The multiple channel is by being set to the air duct
In multiple volute tongue intervals formed;Each volute tongue is with one close to the end of the centrifugal blower;The multiple volute tongue include according to
Secondary the first adjacent volute tongue, the second volute tongue and third volute tongue, which is characterized in that the Duct design method includes the following steps:
A, according to the basic parameter of centrifugal blower, one first volute type is determined by impeller center of the fan center of centrifugal blower
Line;
B, the end of the end of first volute tongue, the end of second volute tongue and the third volute tongue is set to described first
On spiral case inlet pressure.
Priority Applications (2)
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CN201510353803.XA CN104930790B (en) | 2015-06-24 | 2015-06-24 | Casing, wind cooling refrigerator and the Duct design method of wind cooling refrigerator |
PCT/CN2016/080698 WO2016206474A1 (en) | 2015-06-24 | 2016-04-29 | Enclosure component used in air cooled refrigerator, air cooled refrigerator, and enclosure component designing method |
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CN201510353803.XA CN104930790B (en) | 2015-06-24 | 2015-06-24 | Casing, wind cooling refrigerator and the Duct design method of wind cooling refrigerator |
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CN104930790B true CN104930790B (en) | 2018-08-28 |
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WO2016206474A1 (en) * | 2015-06-24 | 2016-12-29 | 合肥华凌股份有限公司 | Enclosure component used in air cooled refrigerator, air cooled refrigerator, and enclosure component designing method |
CN107421216B (en) * | 2017-05-02 | 2020-10-02 | 海信(山东)冰箱有限公司 | Air duct assembly for multi-temperature-zone refrigerating chamber and refrigerator |
CN111306103A (en) * | 2020-03-26 | 2020-06-19 | 珠海格力电器股份有限公司 | Air supply system and air conditioner comprising same |
CN114076449B (en) * | 2020-08-18 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator utilizing centrifugal fan to supply air |
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CN204115343U (en) * | 2014-09-04 | 2015-01-21 | 合肥华凌股份有限公司 | Wind cooling refrigerator and air channel thereof |
CN204787523U (en) * | 2015-06-24 | 2015-11-18 | 合肥华凌股份有限公司 | Icy case of casing soft breeze of forced air cooling refrigerator |
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CN204115343U (en) * | 2014-09-04 | 2015-01-21 | 合肥华凌股份有限公司 | Wind cooling refrigerator and air channel thereof |
CN204787523U (en) * | 2015-06-24 | 2015-11-18 | 合肥华凌股份有限公司 | Icy case of casing soft breeze of forced air cooling refrigerator |
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