CN104930790A - Air cooling refrigerator machine shell, air cooling refrigerator and air duct design method - Google Patents
Air cooling refrigerator machine shell, air cooling refrigerator and air duct design method Download PDFInfo
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- CN104930790A CN104930790A CN201510353803.XA CN201510353803A CN104930790A CN 104930790 A CN104930790 A CN 104930790A CN 201510353803 A CN201510353803 A CN 201510353803A CN 104930790 A CN104930790 A CN 104930790A
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- snail tongue
- cooling refrigerator
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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
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- Mechanical Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an air cooling refrigerator machine shell, an air cooling refrigerator and an air duct design method. The air cooling refrigerator machine shell comprises an air duct. The air duct comprises a plurality of channels. Each channel is used for leading air blown out of a centrifugal blower of the air cooling refrigerator to the corresponding air supply opening of the air cooling refrigerator. The channels are formed by a plurality of volute tongues in the air duct at intervals. Each volute tongue is provided with an end portion close to the centrifugal blower. The volute tongues comprise the first volute tongue, the second volute tongue and the third volute tongue which are sequentially adjacent to one another. The distance between the end of the first volute tongue and the center of a fan of the centrifugal blower, the distance between the end of the second volute tongue and the center of the fan of the centrifugal blower and the distance between the end of the third volute tongue and the center of the fan of the centrifugal blower are increased greatly so that the end of the first volute tongue, the end of the second volute tongue and the end of the third volute tongue can be located on the same volute molded line. By means of the technical scheme, the flow losses of the air flow in the air duct can be lowered, and the efficiency of the centrifugal blower in the air duct is improved.
Description
Technical field
The present invention relates to wind cooling refrigerator technical field, particularly a kind of casing of wind cooling refrigerator, wind cooling refrigerator and Duct design method.
Background technology
With reference to the air channel structure schematic diagram that Fig. 1, Fig. 1 are a kind of wind cooling refrigerator in prior art.Centrifugal blower 110 is provided with in the air channel 100 of this kind of wind cooling refrigerator, this air channel 100 is provided with 7 in order to air channel 100 to be divided into the snail tongue 120 of 7 passages 130, each passage 130 is drained to corresponding air outlet (not shown) in order to the wind blown out by centrifugal blower 110, and the refrigeration chamber of wind cooling refrigerator is delivered to by corresponding air outlet, separate between each air outlet.In this kind of wind cooling refrigerator, the particular location of snail tongue 120 rule of thumb designs usually, so, snail tongue 120 particular location to be designed with stronger subjectivity random, the wind that centrifugal blower 110 blows out is difficult to obtain effective water conservancy diversion, causes the inefficiency of centrifugal blower 110.
Prior art drawing reference numeral illustrates:
| Air channel 100 | Centrifugal blower 1100 | Snail tongue 120 | Passage 130 |
Drawing reference numeral of the present invention illustrates:
| Air channel 10 | Centrifugal blower 20 | First spiral case inlet pressure 30 | Second spiral case inlet pressure 40 |
| Snail tongue 11 | Passage 12 | First passage 13 | Second channel 14 |
| Third channel 15 | First opening 31 | Second opening 32 | Lingual surface 111 |
| First snail tongue 112 | Second snail tongue 113 | 3rd snail tongue 114 | 4th snail tongue 115 |
| 5th snail tongue 116 | 6th snail tongue 117 | First passage mouth 131 |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Summary of the invention
Main purpose of the present invention is to provide a kind of casing of wind cooling refrigerator, is intended to the usefulness of centrifugal blower in the air channel of the casing improving wind cooling refrigerator.
For achieving the above object, the casing of a kind of wind cooling refrigerator that the present invention proposes comprises air channel, and described air channel comprises multiple passage, and each passage is guided to the air outlet of described wind cooling refrigerator corresponding with it in order to the wind blown out by the centrifugal blower of described wind cooling refrigerator; Described multiple passage is by the multiple snail tongue gap-forming be located in described air channel; Each snail tongue has one near the end of described centrifugal blower; Described multiple snail tongue comprises the first adjacent successively snail tongue, the second snail tongue and the 3rd snail tongue, the end of the end of described first snail tongue, the end of described second snail tongue and described 3rd snail tongue increasing gradually with the distance of the fan center of described centrifugal blower separately, to make the end of described first snail tongue, the end of the end of the second snail tongue and the 3rd snail tongue is positioned on same first spiral case inlet pressure.
Preferably, described multiple passage comprises multiple first passage and multiple second channel; The casing of described wind cooling refrigerator has the first relative side and the second side, and described multiple first passage is extended to described first side, and described multiple second channel is extended to described second side; Two described first passages are formed between described first snail tongue and described second snail tongue and between described second snail tongue and described 3rd snail tongue.
Preferably, the casing of described wind cooling refrigerator is vertically arranged, and each first passage has the first passage mouth towards described centrifugal blower, and each first passage degree of lip-rounding is formed between the both ends of the two snail tongues forming corresponding first passage; Described multiple first passage from top to bottom interval is arranged, and multiple first passage mouths of described multiple first passage reduce from top to bottom gradually.
Preferably, the end face towards described centrifugal blower of arbitrary snail tongue end is arc-shaped surface.
Preferably, the radius of described end face is 7% to 11% of described centrifugal blower fan radius.
Preferably, the lingual surface for the formation of described vias inner walls of arbitrary snail tongue is arc-shaped surface, and one end of described lingual surface connects corresponding air outlet, and the other end and the described end face of described lingual surface are tangent.
Preferably, the curvature circle-center of relative two lingual surfaces of same passage is positioned at the same side of corresponding lingual surface.
Preferably, described multiple snail tongue comprises the 4th adjacent successively snail tongue, the 5th snail tongue and the 6th snail tongue, forms two described second channels between described 4th snail tongue and described 5th snail tongue and between described 5th snail tongue and described 6th snail tongue; The end of the end of described 4th snail tongue, the end of described 5th snail tongue and described 6th snail tongue increasing gradually with the distance of the fan center of described centrifugal blower separately, to make the end of described 4th snail tongue, the end of the end of the 5th snail tongue and the 6th snail tongue is positioned on same second spiral case inlet pressure.
The present invention also proposes a kind of wind cooling refrigerator, it is characterized in that, comprise the casing of described wind cooling refrigerator, the casing of this wind cooling refrigerator comprises air channel, described air channel comprises multiple passage, and each passage is guided to the air outlet of described wind cooling refrigerator corresponding with it in order to the wind blown out by the centrifugal blower of described wind cooling refrigerator; Described multiple passage is by the multiple snail tongue gap-forming be located in described air channel; Each snail tongue has one near the end of described centrifugal blower; Described multiple snail tongue comprises the first adjacent successively snail tongue, the second snail tongue and the 3rd snail tongue, the end of the end of described first snail tongue, the end of described second snail tongue and described 3rd snail tongue increasing gradually with the distance of the fan center of described centrifugal blower separately, to make the end of described first snail tongue, the end of the end of the second snail tongue and the 3rd snail tongue is positioned on same first spiral case inlet pressure.
The present invention also proposes a kind of Duct design method, and described air channel comprises multiple passage, and each passage is guided to the air outlet of described wind cooling refrigerator corresponding with it in order to the wind blown out by the centrifugal blower of described wind cooling refrigerator; Described multiple passage is by the multiple snail tongue gap-forming be located in described air channel; Each snail tongue has one near the end of described centrifugal blower; Described multiple snail tongue comprises the first adjacent successively snail tongue, the second snail tongue and the 3rd snail tongue; Described Duct design method comprises the following steps:
A, basic parameter according to centrifugal blower, with the fan center of centrifugal blower for impeller central determines one first spiral case inlet pressure;
B, the end of the end of described first snail tongue, described second snail tongue and the end of described 3rd snail tongue to be located on described first spiral case inlet pressure.
In the air channel of the casing of wind cooling refrigerator provided by the present invention, the end of the end of the first snail tongue, the end of the second snail tongue and the 3rd snail tongue is positioned on same first spiral case inlet pressure, the passway of two passages namely formed between the first snail tongue and the second snail tongue and between the second snail tongue and the 3rd snail tongue is positioned on the first spiral case inlet pressure, the wind energy blown out from centrifugal blower can be made to be guided to corresponding air outlet by which better these two passages, and reduce flow losses distinguished and admirable in this air channel, improve the usefulness of centrifugal wind in this air channel.
Accompanying drawing explanation
Fig. 1 is the air channel structure schematic diagram of a kind of wind cooling refrigerator in prior art;
Fig. 2 is the structural representation of casing one embodiment of wind cooling refrigerator of the present invention;
Fig. 3 is the structural representation of another embodiment of casing of wind cooling refrigerator of the present invention;
Fig. 4 is the schematic flow sheet of Duct design method one embodiment of the present invention.
Detailed description of the invention
Be described further with regard to technical scheme of the present invention below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Should be noted that, in describing the invention, term " on ", the orientation of the instruction such as D score, "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
The present invention proposes a kind of casing of wind cooling refrigerator.
With reference to the structural representation that Fig. 2, Fig. 2 are casing one embodiment of wind cooling refrigerator of the present invention.
In the present embodiment, the casing of this wind cooling refrigerator comprises air channel 10, is provided with centrifugal blower 20 in this air channel 10, is also provided with multiple separate air outlet (not shown) in the casing of this wind cooling refrigerator.This air channel 10 comprises multiple passage 12, and each passage 12 is guided to air outlet corresponding with it in order to the wind blown out by centrifugal blower 20.The plurality of passage 12 is by multiple snail tongue 11 gap-forming be located in air channel 10.Each snail tongue 11 has one near the end of centrifugal blower 20; The plurality of snail tongue 11 comprises the first adjacent successively snail tongue 112, second snail tongue 113 and the 3rd snail tongue 114, wherein, the end of the end of the first snail tongue 112, the end of the second snail tongue 113 and the 3rd snail tongue 114 increasing gradually with the distance of the fan center of centrifugal blower 20 separately, is positioned on same first spiral case inlet pressure 30 to make the end of the first snail tongue 112, the end of the second snail tongue 113 and the end of the 3rd snail tongue 114.In the present embodiment, this first spiral case inlet pressure 30 is the basic parameter according to centrifugal blower 20, with the fan center of centrifugal blower 20 by impeller central is determined; The basic parameter of centrifugal blower 20 comprises the size, rotation speed of fan, impeller outlet angle etc. of centrifugal blower 20.In the present embodiment, each passage 12 has one near the passway of centrifugal blower 20.
In the air channel 10 of the casing of the wind cooling refrigerator that the present embodiment provides, the end of the first snail tongue 112, the end of the second snail tongue 113 and the end of the 3rd snail tongue 114 are positioned on same first spiral case inlet pressure 30, namely between the first snail tongue 112 and the second snail tongue 113 and passway of two passages 12 formed between the second snail tongue 113 and the 3rd snail tongue 114 is positioned on the first spiral case inlet pressure 30, the wind energy blown out from centrifugal blower 20 can be made to be guided to corresponding air outlet by which better these two passages 12, and reduce flow losses distinguished and admirable in this air channel 10, improve the usefulness of centrifugal blower 20 in this air channel 10.
Further, the plurality of passage 12 comprises multiple first passage 13 and multiple second channel 14.The casing of this wind cooling refrigerator has the first relative side and the second side, and the plurality of first passage 13 is extended to the first side of casing, and the plurality of second channel is extended to the second side of casing.In the present embodiment, between the first snail tongue 112 and the second snail tongue 113 and two first passages 13 formed between the second snail tongue 113 and the 3rd snail tongue 114 in the plurality of first passage 13.Certainly, in the present embodiment, snail tongue 11 in order to form first passage 13 also can comprise other snail tongues except the first snail tongue 112, second snail tongue 113 and the 3rd snail tongue 114, and the end of other snail tongues is also positioned on the first spiral case inlet pressure 30, to improve the usefulness of centrifugal blower 20 in this air channel 10 as far as possible.In the present embodiment, under the multiple air outlets corresponding to multiple first passage 13 vertically spaced situation, normally, if the fan of centrifugal blower 20 turns clockwise, then the first opening 31 of the first spiral case inlet pressure 30 is towards the right side (as shown in Figure 2) in air channel 10; If the fan of centrifugal blower 20 is rotated counterclockwise, then the first opening 31 of the first spiral case inlet pressure 30 is towards the left side in air channel 10.In the present embodiment, first side of the casing of this wind cooling refrigerator refers to the left side in air channel 10, second side of the casing of this wind cooling refrigerator refers to the right side in air channel 10, the bearing of trend of each first passage 13 is roughly towards the left side in air channel 10, and the bearing of trend of each second channel 14 is roughly towards the right side in air channel 10.In the present embodiment, the plurality of passage 12 also can comprise upwards extended third channel 15.Certainly, in other embodiments of the invention, when the multiple air outlets corresponding to multiple first passage 13 arrange (the corresponding refrigeration compartment of such as each air outlet in interval in the horizontal direction, multiple refrigeration compartment is spaced in the horizontal direction) when, first side of the casing of this wind cooling refrigerator also can refer to the upside in air channel 10, and the second side of the casing of this wind cooling refrigerator also can refer to the downside in air channel 10.
In the present embodiment, preferably, the first spiral case inlet pressure length between two snail tongue 11 ends of corresponding first passage mouth 131 is obtained by the default air quantity pro rate of corresponding air outlet, so, the subjectivity that can reduce this air channel 10 structural design is random, and the air quantity of the different air outlets in this air channel 10 can be made reasonably to be distributed, and the analogue value of this air channel 10 that can farthest make design is close to theoretical value.In the present embodiment, the casing of this wind cooling refrigerator is vertically arranged particularly, each first passage 13 has the first passage mouth 131 towards centrifugal blower 20, and each first passage mouth 131 is formed between the both ends of the two snail tongues 11 forming corresponding first passage 13.Different air quantity needed for air outlet is normally inconsistent, and the size of the refrigeration compartment that can be communicated with according to corresponding air outlet and the temperature required default air quantity ratio determining different air outlet.The air quantity being guided to corresponding air outlet can be controlled by the openings of sizes of the first passage mouth 131 controlling first passage 13; The openings of sizes of first passage mouth 131 corresponds to the first spiral case inlet pressure length between two snail tongue 11 ends of first passage mouth 131.Certainly, in the present embodiment, after the first spiral case inlet pressure length between two snail tongue ends of default each first passage mouth 131 of air quantity pro rate of the multiple air outlets according to correspondence, analogue simulation software (as CFD) also can be utilized to calculate and the first spiral case inlet pressure length between the two snail tongue ends revising each first passage mouth 131, with the allocation of the amount of air needs of the air outlet corresponding to the different first passages 13 meeting this air channel 10 further.In the present embodiment, the plurality of second channel 14 is positioned at the first opening 31 place of the first spiral case inlet pressure 30, and the particular location in order to the end forming multiple snail tongues 11 of multiple second channel 14 can rule of thumb arrange its position.
In the present embodiment, particularly, the plurality of first passage 13 from top to bottom interval is arranged, and multiple first passage mouths 131 of the plurality of first passage 13 reduce from top to bottom gradually.In the present embodiment, the multiple air outlets corresponding to multiple first passage 13 from top to bottom interval are arranged, and are communicated with same refrigeration compartment, and because cold wind can sink, normally, the air quantity needed for air outlet being positioned at top is greater than the air quantity needed for air outlet of below.
Further, the end face towards centrifugal blower 20 of arbitrary snail tongue 11 end is arc-shaped surface, and the wind energy blown out to make centrifugal blower 20 is guided in passage 12 better by whirlpool tongue 11.The radius of the end face towards centrifugal blower 20 of arbitrary snail tongue 11 end is 7% to 11% of centrifugal blower 20 fan radius, preferably, the radius of the end face towards centrifugal blower 20 of arbitrary snail tongue 11 end is 10% of centrifugal blower 20 fan radius, and the end face towards centrifugal blower 20 of snail tongue 11 end crosses the fluency of the wind that conference hinders centrifugal blower 20 to blow out.
Further, the lingual surface 111 for the formation of passage 12 inwall of arbitrary snail tongue 11 is arc-shaped surface, to improve fluency distinguished and admirable in passage 12.Particularly, one end of lingual surface 111 connects corresponding air outlet, and the other end of lingual surface 111 is tangent with the end face towards centrifugal blower 20 of corresponding snail tongue 11 end.
In the present embodiment, particularly, the curvature circle-center of relative two lingual surfaces 111 of same passage 12 is positioned at the same side of corresponding lingual surface 111, and namely relative two lingual surfaces 111 of same passage 12 are recessed towards same direction, to improve fluency distinguished and admirable in passage 12 further.
With reference to the structural representation that Fig. 3, Fig. 3 are another embodiment of casing of wind cooling refrigerator of the present invention.In the present embodiment, further, multiple snail tongue 11 comprises the 4th adjacent successively snail tongue 115, the 5th snail tongue 116 and the 6th snail tongue 117, wherein, forms two aforementioned second channels 14 between the 4th snail tongue 115 and the 5th snail tongue 116 and between the 5th snail tongue 116 and the 6th snail tongue 117.In the present embodiment, the end of the end of the 4th snail tongue 115, the end of the 5th snail tongue 116 and the 6th snail tongue 117 increasing gradually with the distance of the fan center of centrifugal blower 20 separately, be positioned on same second spiral case inlet pressure 40 to make the end of the 4th snail tongue 115, the end of the 5th snail tongue 116 and the end of the 6th snail tongue 117, thus reduce flow losses distinguished and admirable in this air channel 10 further, and improve the usefulness of centrifugal blower 20 in this air channel 10 further.In the present embodiment, the opening direction of this second spiral case inlet pressure 40 is towards the first side of casing.In the present embodiment, this second spiral case inlet pressure 40 is similarly the basic parameter according to centrifugal blower 20, with the fan center of centrifugal blower 20 for impeller central is determined.Similarly, in the present embodiment, snail tongue 11 in order to form second channel 14 also can comprise other snail tongues except the 4th snail tongue 115, the 5th snail tongue 116 and the 6th snail tongue 117, and the end of other snail tongues is also positioned on the second spiral case inlet pressure 40, to improve the usefulness of centrifugal blower 20 in this air channel 10 as far as possible.
The present invention also proposes a kind of wind cooling refrigerator, this wind cooling refrigerator comprises casing, the concrete structure of this casing is with reference to previous embodiment, because this wind cooling refrigerator have employed whole technical schemes of above-mentioned all embodiments, therefore all beneficial effects that the technical scheme having above-described embodiment is equally brought, this is no longer going to repeat them.
The present invention also proposes a kind of Duct design method.
With reference to the schematic flow sheet that Fig. 4, Fig. 4 are Duct design method one embodiment of the present invention.In the present embodiment, air channel comprises multiple passage, and each passage is guided to the air outlet of wind cooling refrigerator corresponding with it in order to the wind blown out by the centrifugal blower of wind cooling refrigerator; The plurality of passage is by the multiple snail tongue gap-forming be located in air channel, and each snail tongue has one near the end of centrifugal blower; The plurality of snail tongue comprises the first adjacent successively snail tongue, the second snail tongue and the 3rd snail tongue.
This Duct design method comprises:
Step S10, according to the basic parameter of centrifugal blower, with the fan center of centrifugal blower for impeller central determines one first spiral case inlet pressure;
Step S20, is located at the end of the end of described first snail tongue, described second snail tongue and the end of described 3rd snail tongue on described first spiral case inlet pressure.
In the present embodiment, the air outlet corresponding to each passage is independently.The basic parameter of centrifugal blower comprises the size, rotation speed of fan, impeller outlet angle etc. of centrifugal blower.In the present embodiment, each passage has one near the passway of centrifugal blower.The end of the end of the first snail tongue, the second snail tongue and the end of the 3rd snail tongue are located on same first spiral case inlet pressure, the passway of two passages formed between the first snail tongue and the second snail tongue and between the second snail tongue and the 3rd snail tongue can be made to be positioned on the first spiral case inlet pressure on the one hand, thus make the wind energy blown out from centrifugal blower be guided to corresponding air outlet by which better these two passages, and then reduce flow losses distinguished and admirable in this air channel, improve the usefulness of centrifugal blower in this air channel; The subjectivity that can reduce air channel structure design is on the other hand random.
In the present embodiment, further, after step S30, this Duct design method also comprises:
Step S30, according to the first spiral case inlet pressure length between two snail tongue ends of default each passway of air quantity pro rate on the first spiral case inlet pressure of multiple air outlets of correspondence.
In the present embodiment, the air quantity needed for different air outlet is normally inconsistent, and the size of the refrigeration compartment that can be communicated with according to corresponding air outlet and the temperature required default air quantity ratio determining different air outlet.The air quantity being guided to corresponding air outlet can be controlled by the openings of sizes of the passway of control channel; The openings of sizes of passway corresponds to the first spiral case inlet pressure length between two snail tongue ends of this passway.The Duct design method that the present embodiment provides is while the subjectivity randomness reducing air channel structure design, the air quantity of the relevant different air outlet in air channel also can be made reasonably to be distributed, and the analogue value of the Duct design made with doing large degree is close to theoretical value.
In the present embodiment, further, after step S30, this Duct design method also comprises: step S40, analogue simulation software is utilized to calculate and the first spiral case inlet pressure length between the two snail tongue ends revising each passway on the first spiral case inlet pressure, with the allocation of the amount of air needs of the air outlet corresponding to the relevant different passage meeting this air channel further.In the present embodiment, this analogue simulation software can be, but not limited to as CFD.Certainly, after the step s 40, in the verification experimental verification process in later stage, can according to the actual air volume distribution condition in this air channel, finely tune the particular location of each snail tongue end on the first spiral case inlet pressure, with the allocation of the amount of air needs of the air outlet corresponding to the relevant different passage meeting this air channel.
Should be noted that; the technical scheme of each embodiment of the present invention can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time people should think that the combination of this technical scheme does not exist, also not within the protection domain of application claims.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a casing for wind cooling refrigerator, comprises air channel, it is characterized in that, described air channel comprises multiple passage, and each passage is guided to the air outlet of described wind cooling refrigerator corresponding with it in order to the wind blown out by the centrifugal blower of described wind cooling refrigerator; Described multiple passage is by the multiple snail tongue gap-forming be located in described air channel; Each snail tongue has one near the end of described centrifugal blower; Described multiple snail tongue comprises the first adjacent successively snail tongue, the second snail tongue and the 3rd snail tongue, the end of the end of described first snail tongue, the end of described second snail tongue and described 3rd snail tongue increasing gradually with the distance of the fan center of described centrifugal blower separately, to make the end of described first snail tongue, the end of the end of the second snail tongue and the 3rd snail tongue is positioned on same first spiral case inlet pressure.
2. the casing of wind cooling refrigerator as claimed in claim 1, it is characterized in that, described multiple passage comprises multiple first passage and multiple second channel; The casing of described wind cooling refrigerator has the first relative side and the second side, and described multiple first passage is extended to described first side, and described multiple second channel is extended to described second side; Two described first passages are formed between described first snail tongue and described second snail tongue and between described second snail tongue and described 3rd snail tongue.
3. the casing of wind cooling refrigerator as claimed in claim 2, it is characterized in that, the casing of described wind cooling refrigerator is vertically arranged, each first passage has the first passage mouth towards described centrifugal blower, and each first passage degree of lip-rounding is formed between the both ends of the two snail tongues forming corresponding first passage; Described multiple first passage from top to bottom interval is arranged, and multiple first passage mouths of described multiple first passage reduce from top to bottom gradually.
4. the casing of the wind cooling refrigerator as described in any one of claims 1 to 3, is characterized in that, the end face towards described centrifugal blower of arbitrary snail tongue end is arc-shaped surface.
5. the casing of wind cooling refrigerator as claimed in claim 4, it is characterized in that, the radius of described end face is 7% to 11% of described centrifugal blower fan radius.
6. the casing of wind cooling refrigerator as claimed in claim 5, it is characterized in that, the lingual surface for the formation of described vias inner walls of arbitrary snail tongue is arc-shaped surface, and one end of described lingual surface connects corresponding air outlet, and the other end and the described end face of described lingual surface are tangent.
7. the casing of wind cooling refrigerator as claimed in claim 6, it is characterized in that, the curvature circle-center of relative two lingual surfaces of same passage is positioned at the same side of corresponding lingual surface.
8. the casing of wind cooling refrigerator as claimed in claim 2, it is characterized in that, described multiple snail tongue comprises the 4th adjacent successively snail tongue, the 5th snail tongue and the 6th snail tongue, forms two described second channels between described 4th snail tongue and described 5th snail tongue and between described 5th snail tongue and described 6th snail tongue; The end of the end of described 4th snail tongue, the end of described 5th snail tongue and described 6th snail tongue increasing gradually with the distance of the fan center of described centrifugal blower separately, to make the end of described 4th snail tongue, the end of the end of the 5th snail tongue and the 6th snail tongue is positioned on same second spiral case inlet pressure.
9. a wind cooling refrigerator, is characterized in that, comprises the casing of the wind cooling refrigerator as described in any one of claim 1 to 8.
10. a Duct design method, described air channel comprises multiple passage, and each passage is guided to the air outlet of described wind cooling refrigerator corresponding with it in order to the wind blown out by the centrifugal blower of described wind cooling refrigerator; Described multiple passage is by the multiple snail tongue gap-forming be located in described air channel; Each snail tongue has one near the end of described centrifugal blower; Described multiple snail tongue comprises the first adjacent successively snail tongue, the second snail tongue and the 3rd snail tongue, it is characterized in that, described Duct design method comprises the following steps:
A, basic parameter according to centrifugal blower, with the fan center of centrifugal blower for impeller central determines one first spiral case inlet pressure;
B, the end of the end of described first snail tongue, described second snail tongue and the end of described 3rd snail tongue to be located on described first spiral case inlet pressure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN104930790A true CN104930790A (en) | 2015-09-23 |
| CN104930790B CN104930790B (en) | 2018-08-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107421216A (en) * | 2017-05-02 | 2017-12-01 | 海信（山东）冰箱有限公司 | A kind of ducting assembly and refrigerator for multi-temperature zone refrigerating chamber |
| 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 |
| CN114076449A (en) * | 2020-08-18 | 2022-02-22 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107421216A (en) * | 2017-05-02 | 2017-12-01 | 海信（山东）冰箱有限公司 | A kind of ducting assembly and refrigerator for multi-temperature zone refrigerating chamber |
| 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 |
| WO2021189809A1 (en) * | 2020-03-26 | 2021-09-30 | 珠海格力电器股份有限公司 | Air supply system, volute and air conditioner |
| CN114076449A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator utilizing centrifugal fan to supply air |
| 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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| CN104930790B (en) | 2018-08-28 |
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