CN203641106U - Flow restraining and pressure boosting cabinet spiral case and cabinet air conditioner - Google Patents
Flow restraining and pressure boosting cabinet spiral case and cabinet air conditioner Download PDFInfo
- Publication number
- CN203641106U CN203641106U CN201320852281.4U CN201320852281U CN203641106U CN 203641106 U CN203641106 U CN 203641106U CN 201320852281 U CN201320852281 U CN 201320852281U CN 203641106 U CN203641106 U CN 203641106U
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- rear sidewall
- spiral case
- cabinet
- side wall
- rear side
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- 230000000452 restraining effect Effects 0.000 title abstract 4
- 238000009792 diffusion process Methods 0.000 claims description 19
- 241000237858 Gastropoda Species 0.000 claims description 13
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a flow restraining and pressure boosting cabinet spiral case and a cabinet air conditioner for solving the problems that the side wall of a cabinet spiral case in the prior art is designed to be straight so that an air flow is prone to diffuse and thus the performance of the spiral case and the overall performance of the cabinet air conditioner are affected. The flow restraining and pressure boosting cabinet spiral case comprises a spiral tongue, left and right side walls, and a rear side wall. The rear side wall is composed of an upper rear side wall part and a lower rear side wall part. The lower rear side wall part is composed of a left lower rear side wall portion and a right lower rear side wall portion. The cross section of each of the upper rear side wall part and the left lower rear side wall portion is shaped like an arc protruding towards the exterior of the spiral case. As the arc-shaped section is formed on the rear side wall of the spiral case, an air flow sucked in from an air inlet is converged in the arc-shaped concave section. Therefore, the flow restraining effect is realized and the air flow is prevented from diffusing and enabled to be boosted in pressure along the air outlet direction gradually, thereby making the air flow direction be more stable, reducing the turbulent flow, and increasing the flow outlet speed. The outlet air of the spiral case diffuses evenly so that the air flow reaching the lower side of an evaporator is further enabled to be even, thereby reducing the pressure loss of the air flow passing through the evaporator and increasing the whole air quantity.
Description
Technical field
The utility model relates to the structure member of air conditioner, is specifically related to a kind of cabinet-type air conditioner spiral case that can line diffusion.
Background technique
The volute of blower of floor standing air-conditioner has left and right sidewall and between left and right sidewall and connect the rear sidewall of two side, and be positioned at the wherein snail tongue on a sidewall of left and right sidewall, the top of left and right sidewall and rear sidewall surrounds exhaust outlet, the bottom of rear sidewall is provided with intake grill, thereby make rear sidewall be divided into the top rear sidewall and the bottom rear sidewall that surrounds intake grill for surrounding exhaust outlet, bottom rear sidewall forms by the lower left quarter rear sidewall away from snail tongue side with the lower right part rear sidewall of snail tongue homonymy.In order to make simplicity of design and easy to process, three sidewalls of existing cabinet-type air conditioner spiral case are faces design directly, face sidewall directly restrictive poor to air-flow, air-flow directivity in spiral case of accelerating through blower fan is poor, easily disperse, and produce sinuous flow, make air-flow can not reach maximum and inhomogeneous in exhaust outlet place speed, can not bring into play the maximum performance of spiral case, also affect air conditioner overall performance simultaneously.
Model utility content
The utility model provides a kind of line diffusion cabinet-type air conditioner spiral case and cabinet air-conditioner, can solve prior art cabinet-type air conditioner spiral case sidewall and face design directly, and air-flow is easily dispersed, and affects the problem of spiral case performance and cabinet air-conditioner overall performance.
For reaching the object solving the problems of the technologies described above, the cabinet-type air conditioner spiral case that the utility model proposes is achieved by the following technical solutions: line diffusion cabinet-type air conditioner spiral case, comprise snail tongue, arranged on left and right sides wall and between this two side and connect the rear sidewall of two side, rear sidewall is made up of with the bottom rear sidewall that surrounds intake grill the top rear sidewall that surrounds exhaust outlet, bottom rear sidewall forms by the lower left quarter rear sidewall away from snail tongue side with the lower right part rear sidewall of snail tongue homonymy, and the cross section of described top rear sidewall and lower left quarter rear sidewall is to the outside arc protruding of spiral case.
In the technical solution of the utility model, also comprise following additional technical feature: the radius of curvature of described top rear sidewall and lower left quarter rear sidewall is reduced gradually by top to the described lower left quarter rear sidewall bottom of described top rear sidewall.
The top radius of curvature biggest place of described top rear sidewall is 15～30mm to the perpendicular distance of the connecting line of described rear sidewall and arranged on left and right sides wall, and the bottom radius of curvature of described lower left quarter rear sidewall is 0.
The radius of curvature of described top rear sidewall and lower left quarter rear sidewall is reduced by top to the described lower left quarter rear sidewall bottom equal proportion of described top rear sidewall.
The cross section of described lower right part rear sidewall is that the radius of curvature of described lower left quarter rear sidewall and lower right part rear sidewall is reduced gradually by described lower left quarter rear sidewall bottom to the top of described lower right part rear sidewall to the outside arc protruding of spiral case.
The radius of curvature of described lower left quarter rear sidewall and lower right part rear sidewall is reduced by described lower left quarter rear sidewall bottom to the top equal proportion of described lower right part rear sidewall.
The utility model has also proposed a kind of cabinet air-conditioner, and above-mentioned line diffusion cabinet-type air conditioner spiral case is installed.
Compared with prior art, the utility model due to spiral case for surround exhaust outlet top rear sidewall and intake grill one side, be arc away from the lower left quarter rear sidewall of snail tongue side, form curved portions, can make to converge at curved recess by the air-flow of intake grill inspiration, near rear sidewall medial axis place, rear sidewall curved portions plays the effect of line, prevent that air-flow from dispersing, make air-flow along air-out direction diffusion gradually, thereby make airflow direction more stable, reduce sinuous flow, increase discharge velocity; Spiral case air-out is evenly spread, and the air-flow that further makes to arrive vaporizer downside is even, thereby reduces the crushing of air-flow through vaporizer, promotes overall air quantity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment line diffusion cabinet-type air conditioner spiral case;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 be in Fig. 2 B-B to view.
Embodiment
For making the utility model embodiment's object, technological scheme and advantage clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to figs. 1 through Fig. 4, the present embodiment line diffusion cabinet-type air conditioner spiral case, comprise snail tongue 1, left side wall 2, right side wall 3, with rear sidewall 4, rear sidewall 4 is positioned at left side wall 2, between right side wall 3 and connect this two side, for ease of describing, in the present embodiment, rear sidewall 4 is divided into three parts, formed with the bottom rear sidewall that surrounds intake grill 6 by the top rear sidewall 4.1 that surrounds top exhaust outlet 5, bottom rear sidewall forms by the lower left quarter rear sidewall 4.2 away from snail tongue 1 place side with the lower right part rear sidewall 4.3 of snail tongue 1 homonymy, the cross section of the present embodiment middle and upper part rear sidewall 4.1 and lower left quarter rear sidewall 4.2 is to the outside arc protruding of spiral case, make this two-part rear sidewall form the curved portions of overall rear sidewall 4.It should be noted that, cross section described herein refers to its cross section for top rear sidewall 4.1, for lower left quarter rear sidewall 4.2, refer to its radial cross section, be as can be seen from Figure 3 an oblique line Y by the line between the lowermost end of lower left quarter rear sidewall 4.2 and the top radius of curvature biggest place of top rear sidewall 4.1, and be different from vertical curve of the prior art.
Adopt the present embodiment line diffusion cabinet-type air conditioner spiral case, because top rear sidewall 4.1 and the lower left quarter rear sidewall 4.2 of its rear sidewall 4 form curved portions, thereby will retrain and converge at curved recess by the air-flow of intake grill inspiration, locate near the profile center line (being the dotted line X in Fig. 2) of rear sidewall 4, play the effect of line, prevent that air-flow from dispersing, be conducive to air-flow along air-out direction diffusion gradually, thereby make airflow direction more stable, reduce sinuous flow, increase discharge velocity, improve spiral case whole efficiency.
Particularly, the radius of curvature of top rear sidewall 4.1 and lower left quarter rear sidewall 4.2 is reduced gradually by top to the bottom of lower left quarter rear sidewall 4.2 of top rear sidewall 4.1, in spiral case, increase gradually along air-flow air-out direction curved portions radius of curvature, when making this curved portions play line diffusion action, can not increase the wind resistance that of air-flow, guarantee that air current flow is smooth and easy.
In general, the rear sidewall 4 of spiral case and the connecting line of left side wall 2, rear sidewall 4 is in the same plane with the connecting line of right side wall 3, left, right side wall 2, 3 are oppositely arranged, the top radius of curvature biggest place (being the C point in Fig. 4) of the present embodiment middle and upper part rear sidewall 4.1 is to rear sidewall 4 and a left side, right two side 2, the perpendicular distance L of 3 connecting line (being projected as the same line D in Fig. 4) is 15～30mm, determine according to concrete operating mode, through air velocity distribution analysis in test of many times and spiral case, generally getting L is that 23mm is advisable, E place, the bottom radius of curvature of lower left quarter rear sidewall 4.2 is 0, herein for facing directly.
Above-mentioned radius of curvature reduce with equal proportion reduce or etc. difference be reduced to suitablely, round and smooth to guarantee rear sidewall 4 molded line, air-flow air-out is smooth and easy, air-flow evenly spreads.
Because lower right part rear sidewall 4.3 is little to extending influence of air-flow, can not limit its sectional shape.Certainly, for convenient formation, simplify mould structure, in the present embodiment, its cross section is also to the outside arc protruding of spiral case, now, lower left quarter rear sidewall 4.2 E place, bottom radius of curvature are no longer 0, but reduced gradually to the radius of curvature of top F direction (near spiral case 1 place) the lower right part rear sidewall 4.3 of lower right part rear sidewall 4.3 by this place, thereby the entirety that makes rear sidewall 4 is the bottom E that is extended downward successively lower left quarter rear sidewall 4.2 by the top C of top rear sidewall 4.1, then extend the arc of convergent to the top F of lower right part rear sidewall 4.3.
In like manner, above-mentioned radius of curvature reduce with equal proportion reduce or etc. difference be reduced to suitablely, round and smooth to guarantee rear sidewall 4 molded line, air-flow air-out is smooth and easy, air-flow evenly spreads.
The present embodiment has also proposed a kind of cabinet air-conditioner, and cabinet-type air conditioner spiral case is installed, and the concrete structure of cabinet-type air conditioner spiral case, referring to the embodiment of the utility model line diffusion cabinet-type air conditioner spiral case and the description of accompanying drawing 1 to Fig. 4, does not repeat them here.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. a line diffusion cabinet-type air conditioner spiral case, comprise snail tongue, arranged on left and right sides wall and between this two side and connect the rear sidewall of two side, rear sidewall is made up of with the bottom rear sidewall that surrounds intake grill the top rear sidewall that surrounds exhaust outlet, bottom rear sidewall forms by the lower left quarter rear sidewall away from snail tongue side with the lower right part rear sidewall of snail tongue homonymy, it is characterized in that: the cross section of described top rear sidewall and lower left quarter rear sidewall is to the outside arc protruding of spiral case.
2. line diffusion cabinet-type air conditioner spiral case according to claim 1, is characterized in that: the radius of curvature of described top rear sidewall and lower left quarter rear sidewall is reduced gradually by top to the described lower left quarter rear sidewall bottom of described top rear sidewall.
3. line diffusion cabinet-type air conditioner spiral case according to claim 2, it is characterized in that: the top radius of curvature biggest place of described top rear sidewall is 15～30mm to the perpendicular distance of the connecting line of described rear sidewall and arranged on left and right sides wall, and the bottom radius of curvature of described lower left quarter rear sidewall is 0.
4. according to the line diffusion cabinet-type air conditioner spiral case described in claim 2 or 3, it is characterized in that: the radius of curvature of described top rear sidewall and lower left quarter rear sidewall is reduced by top to the described lower left quarter rear sidewall bottom equal proportion of described top rear sidewall.
5. line diffusion cabinet-type air conditioner spiral case according to claim 2, it is characterized in that: the cross section of described lower right part rear sidewall is that the radius of curvature of described lower left quarter rear sidewall and lower right part rear sidewall is reduced gradually by described lower left quarter rear sidewall bottom to the top of described lower right part rear sidewall to the outside arc protruding of spiral case.
6. line diffusion cabinet-type air conditioner spiral case according to claim 5, is characterized in that: the radius of curvature of described lower left quarter rear sidewall and lower right part rear sidewall is reduced by described lower left quarter rear sidewall bottom to the top equal proportion of described lower right part rear sidewall.
7. a cabinet air-conditioner, is characterized in that: the line diffusion cabinet-type air conditioner spiral case described in any one in claim 1 to 6 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852281.4U CN203641106U (en) | 2013-12-23 | 2013-12-23 | Flow restraining and pressure boosting cabinet spiral case and cabinet air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852281.4U CN203641106U (en) | 2013-12-23 | 2013-12-23 | Flow restraining and pressure boosting cabinet spiral case and cabinet air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641106U true CN203641106U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320852281.4U Expired - Lifetime CN203641106U (en) | 2013-12-23 | 2013-12-23 | Flow restraining and pressure boosting cabinet spiral case and cabinet air conditioner |
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| CN (1) | CN203641106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561938A (en) * | 2018-07-25 | 2018-09-21 | 杭州老板电器股份有限公司 | Variable cross-section air duct and range hood |
| WO2021228277A1 (en) * | 2020-08-18 | 2021-11-18 | 青岛海尔电冰箱有限公司 | Air-cooling refrigerator supplying air by using centrifugal fan |
-
2013
- 2013-12-23 CN CN201320852281.4U patent/CN203641106U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561938A (en) * | 2018-07-25 | 2018-09-21 | 杭州老板电器股份有限公司 | Variable cross-section air duct and range hood |
| WO2021228277A1 (en) * | 2020-08-18 | 2021-11-18 | 青岛海尔电冰箱有限公司 | Air-cooling refrigerator supplying air by using centrifugal fan |
| EP4174409A4 (en) * | 2020-08-18 | 2023-11-22 | Qingdao Haier Refrigerator Co., Ltd. | Air-cooling refrigerator supplying air by using centrifugal fan |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |