CN103017289A - High-efficient cold air circulation air curtain system of display cabinet - Google Patents
High-efficient cold air circulation air curtain system of display cabinet Download PDFInfo
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- CN103017289A CN103017289A CN2012105388584A CN201210538858A CN103017289A CN 103017289 A CN103017289 A CN 103017289A CN 2012105388584 A CN2012105388584 A CN 2012105388584A CN 201210538858 A CN201210538858 A CN 201210538858A CN 103017289 A CN103017289 A CN 103017289A
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Abstract
The invention discloses a high-efficient cold air circulation air curtain system of a display cabinet. The system comprises a cabinet body and a cold air circulation air curtain circulation device arranged in the cabinet body, wherein the cold air circulation air curtain circulation device is provided with an air duct, an air outlet and an air return port opposite to the air outlet; and when the cold air circulation air curtain circulation device works, the airflow blown to the air return port from the air outlet forms a cold air circulation air curtain. An extrusion plate is arranged outside the air outlet; a baffle plate which is used for enabling the airflow velocity to have a gradient effect from the outer layer to the inner layer is arranged at the connecting part of the air outlet and the air duct; and the baffle plate is arranged in the air duct in a protruding mode. According to the invention, the airflow velocity and the direction of the cold air at the air outlet are changed; through the match of the extrusion plate and the baffle plate, the air curtain velocity has a parabolic shape gradient effect from the outermost layer to the innermost layer; the highest point of the air curtain velocity is formed in the inner layer of air curtain; the refrigeration effect of the cold air is improved; and the whole display cabinet has a purpose of saving energy and reducing consumption.
Description
Technical field:
The present invention relates to commercial freezing/refrigerating showcase technical field, especially relate to a kind of efficient cool air circulation air curtain system of showcase.
Background technology:
The cold air circulation air curtain system of the refrigerated display case that traditional supermarket or convenience store use only uses simple air outlet and return air inlet to consist of the cold air circulation.Be that " ZL200620072511.5 ", patent name are the Chinese invention patent of " drink showcase " such as China Patent No., its air outlet is just simply delivered to cold wind and is formed cold air on the glass screen cover and circulate.Other has China Patent No. is that " ZL00214891.9 ", patent name are the Chinese invention patent of " cold air circulation air curtain adjustable display cabinet ", and its air outlet also is simply parallel ventilating duct to be arranged to vertical ventilating duct to realize the cold air circulation.
Other has, China Patent No. is " 201020535491.7 ", patent name is " 201120268125.0 " for Chinese invention patent and the China Patent No. of " with the Horizontal refrigeration display cabinet of glass sliding door ", patent name is the Chinese invention patent of " a kind of Horizontal show case with heat-insulating air outlet ", it is to be provided with turning point or deep bead at the turning of inside, air channel, this kind design is in order to change the turning of wind in the air channel or the flow direction of corner, turning or the corner change direction of wind in the air channel unified to blow out from air outlet again, although the wind that air outlet blows out is to flow to same direction substantially, but, air outlet is very limited for the speed of the wind that blows out that blows out from air outlet and the control of direction, the distinguished and admirable turbulent condition that is actually that is used to form cold air circulation air curtain that blows out from air outlet.This traditional cold air circulated air episode cycle causes the leakage of cold and entering of external heat in the cabinet easily, so that in-cabinet temperature skewness or energy consumption increase, therefore is necessary to be improved.
Summary of the invention:
For the deficiency that prior art exists, the purpose of this invention is to provide a kind of efficient cool air circulation air curtain system of showcase, it is simple in structure, makes air curtain reach best vertical minute stream mode, has improved the refrigeration of cold air, and is energy-saving and cost-reducing.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of efficient cool air circulation air curtain system of showcase, the cold air circulated air episode cycle device that comprises cabinet and be arranged at cabinet, cold air circulated air episode cycle device is provided with the air channel, air outlet and the return air inlet relative with air outlet, blow to the air-flow formation cold air circulation air curtain of return air inlet during the work of cold air circulated air episode cycle device from air outlet, it is characterized in that: the arranged outside of air outlet has stripper plate, the junction in air outlet and air channel is provided be used to the shutter that makes air velocity have fade effect from the skin to the internal layer, and shutter protrudes in the air channel.
The outer fringe position of the corner in described air outlet and air channel arranges described stripper plate, and stripper plate is obliquely installed, and stripper plate one end connects the sidewall of the top board other end connection air outlet in air channel.
Described shutter comprises the curved face part of an arc, and the cambered surface of curved face part is towards the top in air channel.
Described shutter comprises a flat part, and flat part is obliquely installed or stands on the junction in air outlet and air channel.
A bending plate is extended in the outer end of the flat part of described shutter, and bending plate is obliquely installed or is parallel to stripper plate.
The aft mounted support portion be used to being supported on air outlet of described bending plate.
Described stripper plate comprises that the first stripper plate and the second stripper plate are an obtuse angle angle be used to distributing a part of air-flow and forming the first stripper plate of internal layer cold air circulation air curtain and be used for the second stripper plate of distributing a part of air-flow and form outer cold air circulation air curtain after air outlet blowing out after air outlet blows out.
Described cold air circulated air episode cycle device comprises heat exchanger, evaporator fan and air channel, heat exchanger and evaporator fan are arranged in the air channel, air outlet and return air inlet are respectively arranged with the two ends in air channel, the exit of described air outlet arranges one Cellular Networks, cabinet is provided with shelf, and cabinet is provided with leeward plate towards the one side of shelf, and leeward plate offers some leeward holes, leeward hole is communicated with the air channel, and the angle between Cellular Networks and the shutter is 15 ° ~ 90 ° or 30 ° ~ 60 °.
Angle between the top board in described the first stripper plate and air channel is α, and the interior angle of the first stripper plate and the second stripper plate is β, and α is 120 °～150 °, and β is 125 °～155 °, β＞α.
Described the first stripper plate has the first length m, the second stripper plate have the second length n, the height in air channel is L, the top of shutter is d to the height of the bottom surface in air channel, the ratio of m/n is that the ratio of 1/3～2/3, d/L is 1/3～1/2.
After adopting said structure, the present invention is compared with existing technology the advantage that has: the present invention changes air velocity and the direction of air outlet cold air, cold flow and the flow velocity of outer cold air circulation air curtain and internal layer cold air circulation air curtain, this cold air that air outlet is provided becomes vertical minute stream mode by original non-perpendicular turbulent condition, the cooperation of stripper plate and shutter can make air curtain speed reach a parabolic fade effect from the outermost layer to the innermost layer, the peak of air curtain speed forms at the internal layer air curtain, make air curtain reach best vertical minute stream mode, improved the refrigeration of cold air, and improved whole showcase and reach energy-saving and cost-reducing purpose.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the embodiment of the invention one.
Fig. 2 is the structural representation of the air outlet of the embodiment of the invention one.
Fig. 3 is the structural representation of the air outlet of the embodiment of the invention two.
Fig. 4 is the structural representation of the air outlet of the embodiment of the invention three.
Fig. 5 is the structural representation of the air outlet of the embodiment of the invention four.
Fig. 6 is the structural representation of the air outlet of the embodiment of the invention five.
Among the figure: 1, cabinet 2, air outlet 3, return air inlet 4, internal layer cold air circulation air curtain 5, outer cold air circulation air curtain 6, air channel 7, Cellular Networks 8, shelf 9, leeward plate 10, the first stripper plate 11, the second stripper plate 13, shutter 14, bending plate 15, support portion.
The specific embodiment:
The following stated only is preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment one, see that Fig. 1 is to shown in Figure 2: a kind of efficient cool air circulation air curtain system of showcase, the cold air circulated air episode cycle device that comprises cabinet 1 and be arranged at cabinet 1, cold air circulated air episode cycle device comprises heat exchanger, evaporator fan, air channel 6, air outlet 2 and return air inlet 3, return air inlet 3 is relative with air outlet 2, return air inlet 3 is positioned at the lower position of air outlet 2, blow to the air-flow formation cold air circulation air curtain of return air inlet 3 during the work of cold air circulated air episode cycle device from air outlet 2, heat exchanger and evaporator fan are arranged in the air channel 6, and air outlet 2 and return air inlet 3 are respectively arranged with the two ends in air channel 6.The exit of air outlet 2 arranges one Cellular Networks 7, and cabinet 1 is provided with shelf 8, and cabinet 1 is provided with leeward plate 9 towards the one side of shelf 8, and leeward plate 9 offers some leeward holes, and leeward hole is through hole, and leeward hole is communicated with air channel 6.Angle between Cellular Networks 7 and the shutter 13 is 15 ° ~ 90 °, and the optimum angle between Cellular Networks 7 and the shutter 13 is 30 ° ~ 60 °.
The arranged outside of air outlet has stripper plate, the junction in air outlet and air channel is provided with shutter 13, shutter 13 protrudes in air channel 6,6 air-flow is when flowing through shutter 13 in the air channel, be subject to stopping of shutter 13, air-flow is upwards assembled blown out from air outlet 2 again, thereby so that the speed of air-flow has fade effect from the skin to the internal layer.The cooperation of stripper plate and shutter can make air curtain speed reach a parabolic fade effect from the outermost layer to the innermost layer, and the peak of air curtain speed forms at the internal layer air curtain.
The outer fringe position of the corner in air outlet 2 and air channel 6 arranges stripper plate, and stripper plate is obliquely installed, and stripper plate one end connects the sidewall of the top board other end connection air outlet 2 in air channel 6.
Air outlet is provided with the sheet material that is used for fixing Cellular Networks 7, this sheet material upwards directly extends to form shutter 13, shutter 13 comprises a flat part, the flat part of shutter 13 is extended upward by the sheet material of fixed cellular net 7 and forms, its first half plays fixed cellular, it is latter half of to be flat part, and straight plate part stands on the junction in air outlet and air channel.Stripper plate comprises be used to distributing a part of air-flow and forming the first stripper plate 10 of internal layer cold air circulation air curtain 4 and the second stripper plate 11, the first stripper plates 10 and the second stripper plate 11 that are used for distributing a part of air-flow and form outer cold air circulation air curtain 5 after air outlet 2 blows out are an obtuse angle angle after air outlet 2 blows out.
Angle between the top board in the first stripper plate 10 and air channel 6 is α, and the interior angle of the first stripper plate 10 and the second stripper plate 11 is β, and α is 120 °～150 °, and β is 125 °～155 °, β＞α.The first stripper plate 10 has the first length m, the second stripper plate 11 have the second length n, the height in air channel is L, the top of shutter 13 is d to the height of the bottom surface in air channel, the ratio of m/n is that the ratio of 1/3～2/3, d/L is 1/3～1/2.
When evaporator fan rotated, from return air inlet 3 air amounts, the air stream of suction became cold air behind the heat exchange coil of evaporimeter.Cold air flows into the air channel 6 of showing cabinet 1 back, a part flows out from the leeward hole of leeward plate 9, food on the cooling shelf 8, another part flows to shutter 13 and stripper plate by the end in air channel 6, air-flow is subject to stopping of shutter 13 and stripper plate and leads, the speed of air-flow has fade effect from the skin to the internal layer, flow out from air outlet 2 through the current balance function of Cellular Networks 7 again through the air-flow after shutter 13 and the stripper plate adjustment, with isolated extraneous hot-air enter with cabinet in the loss of cold air, heated cold air sucks air channel 6 from return air inlet 3, again deliver to evaporator cools, finish the air curtain circulation.The first stripper plate 10 and the second stripper plate 11 are to be formed by the same sheet bending, and certainly, the relation of the first stripper plate 10 and the second stripper plate 11 can also be that the two boards material is linked together.
The present invention makes air curtain reach best vertical minute stream mode by air velocity and the direction of the first stripper plate 10 and the second stripper plate 11 change air outlets 2 cold airs.In addition, the cooperation of stripper plate and shutter can make air curtain speed reach a parabolic fade effect from the outermost layer to the innermost layer, and the peak of air curtain speed forms at the internal layer air curtain.By changing α, β, m, n, parameters relationship between d and the L etc., change cold flow and the flow velocity of outer cold air circulation air curtain 5 and internal layer cold air circulation air curtain 4, and the fade effect of air-flow, this cold air that air outlet 2 is provided becomes vertical minute stream mode by original non-perpendicular turbulent condition, thereby make the storage cabinet surface of vertical display case form different internal layer cold air circulation air curtain 4 and the outer cold air circulation air curtains 5 of flow velocity speed, such as Fig. 3, utilize the slower air curtain of outer flow velocity to stop excessive by low-temperature receiver gas in the isolated cabinet of internal layer cold air circulation air curtain 4, simultaneously, internal layer faster wind speed can effectively keep out the slower hot-air of outer wind speed to the impact of low temperature commodity in the cabinet.Thereby prevent the quick loss of cold-producing medium cold and prevent that the outside cabin warm air from invading in the cabinet, and the design of shutter 13 can make air curtain reach the effect of a state gradual change from the outermost layer to the innermost layer, reach to a great extent the refrigeration that has improved cold air, and improve whole showcase and reach energy-saving and cost-reducing purpose.
Embodiment two, as shown in Figure 3: a kind of efficient cool air circulation air curtain system of showcase, the primary structure of present embodiment is identical with embodiment one, repeats no more here, and its difference is: a bending plate 14 is extended in the outer end of the flat part of shutter 13.Bending plate 14 is parts that the afterbody by shutter 13 bends out, and bending plate 14 can better block the tap hole of Cellular Networks 7.
Embodiment three, as shown in Figure 4: a kind of efficient cool air circulation air curtain system of showcase, the primary structure of present embodiment is identical with embodiment two, here repeat no more, its difference is: the aft mounted support portion 15 be used to being supported on air outlet 2 of bending plate 14, support portion 15 is supported on Cellular Networks 7.Because shutter 13 is lamina, its intensity a little less than, after shutter 13 stretched out, its afterbody bent out a part, be used for to support shutter 13, but fixed cellular net 7 simultaneously.
Embodiment four, as shown in Figure 5: a kind of efficient cool air circulation air curtain system of showcase, the primary structure of present embodiment is identical with embodiment one, repeats no more here, its difference is: shutter 13 comprises a flat part, and flat part is inclined at the junction in air outlet and air channel.
Embodiment five, as shown in Figure 6: a kind of efficient cool air circulation air curtain system of showcase, the primary structure of present embodiment is identical with embodiment one, repeats no more here, its difference is: shutter 13 comprises the curved face part of an arc, and the cambered surface of curved face part is 6 top towards the air channel.Shutter 13 is made circular shape, has both reduced the impact on the middle cold air flow velocity of Cellular Networks 7, can play again the cold air flow velocity at the edge that reduces Cellular Networks 7.
Above content is preferred embodiment of the present invention only, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (10)
1. the efficient cool air circulation air curtain system of a showcase, the cold air circulated air episode cycle device that comprises cabinet (1) and be arranged at cabinet (1), cold air circulated air episode cycle device is provided with air channel (6), air outlet (2) and the return air inlet (3) relative with air outlet (2), blow to the air-flow formation cold air circulation air curtain of return air inlet (3) during the work of cold air circulated air episode cycle device from air outlet (2), it is characterized in that: the arranged outside of air outlet has stripper plate, the junction in air outlet and air channel is provided be used to the shutter (13) that makes air velocity have fade effect from the skin to the internal layer, and shutter (13) protrudes in air channel (6).
2. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1, it is characterized in that: the outer fringe position of the corner of described air outlet (2) and air channel (6) arranges described stripper plate, stripper plate is obliquely installed, and stripper plate one end connects the sidewall of the top board other end connection air outlet (2) in air channel (6).
3. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1, it is characterized in that: described shutter (13) comprises the curved face part of an arc, the cambered surface of curved face part is the top of (6) towards the air channel.
4. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1, it is characterized in that: described shutter (13) comprises a flat part, and flat part is obliquely installed or stands on the junction in air outlet and air channel.
5. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1, it is characterized in that: a bending plate (14) is extended in the outer end of the flat part of described shutter (13), and bending plate (14) is obliquely installed or is parallel to stripper plate.
6. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1 is characterized in that: the aft mounted support portion (15) be used to being supported on air outlet (2) of described bending plate (14).
7. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1, it is characterized in that: described stripper plate comprise be used to distribute a part of air-flow and after air outlet (2) blows out formation internal layer cold air circulation air curtain (4) the first stripper plate (10) and be used for distributing a part of air-flow and after air outlet (2) blows out second stripper plate (11) of the outer cold air circulation of formation air curtain (5), the first stripper plate (10) and the second stripper plate (11) are an obtuse angle angle.
8. the efficient cool air circulation air curtain system of a kind of showcase according to claim 1, it is characterized in that: described cold air circulated air episode cycle device comprises heat exchanger, evaporator fan and air channel (6), heat exchanger and evaporator fan are arranged in the air channel (6), air outlet (2) and return air inlet (3) are respectively arranged with the two ends of air channel (6), the exit of described air outlet (2) arranges one Cellular Networks (7), cabinet (1) is provided with shelf (8), cabinet (1) is provided with leeward plate (9) towards the one side of shelf (8), leeward plate (9) offers some leeward holes, leeward hole is communicated with air channel (6), and the angle between Cellular Networks (7) and the shutter (13) is 15 ° ~ 90 ° or 30 ° ~ 60 °.
9. the efficient cool air circulation air curtain system of a kind of showcase according to claim 5, it is characterized in that: the angle between the top board of described the first stripper plate (10) and air channel (6) is α, the interior angle of the first stripper plate (10) and the second stripper plate (11) is β, α is 120 °～150 °, β is 125 °～155 °, β＞α.
10. the efficient cool air circulation air curtain of a kind of showcase according to claim 5 is
System, it is characterized in that: described the first stripper plate (10) has the first length m, the second stripper plate (11) have the second length n, the height in air channel is L, the top of shutter (13) is d to the height of the bottom surface in air channel, the ratio of m/n is that the ratio of 1/3～2/3, d/L is 1/3～1/2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210538858.4A CN103017289B (en) | 2012-12-11 | 2012-12-11 | A kind of Efficient cold air cycle air curtain system of showcase |
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| CN201210538858.4A CN103017289B (en) | 2012-12-11 | 2012-12-11 | A kind of Efficient cold air cycle air curtain system of showcase |
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| CN103017289A true CN103017289A (en) | 2013-04-03 |
| CN103017289B CN103017289B (en) | 2018-01-09 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180584A (en) * | 2014-08-25 | 2014-12-03 | 山东小鸭零售设备有限公司 | Damping stepped air curtain structure of freezer |
| CN104405450A (en) * | 2014-12-09 | 2015-03-11 | 枣庄矿业(集团)付村矸石热电有限公司 | Steam turbine oil cylinder steam seal device |
| CN106043665A (en) * | 2016-06-01 | 2016-10-26 | 中国航空工业集团公司西安飞机设计研究所 | Side wall interior trim panel of aircraft |
| CN106051947A (en) * | 2016-07-19 | 2016-10-26 | 风神空气生态技术工程（上海）有限公司 | Ultra-thin low-noise energy-saving sill type air supply system for improving indoor environment |
| CN108778065A (en) * | 2016-05-16 | 2018-11-09 | 艾若弗尔能源有限公司 | The improvement of open display refrigerator |
| CN109405134A (en) * | 2018-11-05 | 2019-03-01 | 珠海格力电器股份有限公司 | Cold air equipment |
| CN109820234A (en) * | 2018-12-20 | 2019-05-31 | 张家口卷烟厂有限责任公司 | First air separating device |
| CN109953563A (en) * | 2019-04-28 | 2019-07-02 | 浙江星星冷链集成股份有限公司 | Double air curtain refrigerated display cabinets |
| CN112432300A (en) * | 2020-11-25 | 2021-03-02 | 中国矿业大学 | Virus/bacterium diffusion protection device and method for supermarket |
| CN114502891A (en) * | 2020-08-19 | 2022-05-13 | Itt制造企业有限责任公司 | Air safety system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180584A (en) * | 2014-08-25 | 2014-12-03 | 山东小鸭零售设备有限公司 | Damping stepped air curtain structure of freezer |
| CN104405450A (en) * | 2014-12-09 | 2015-03-11 | 枣庄矿业(集团)付村矸石热电有限公司 | Steam turbine oil cylinder steam seal device |
| US11737583B2 (en) | 2016-05-16 | 2023-08-29 | Aerofoil Energy Limited | Air curtain blanking plate |
| CN108778065A (en) * | 2016-05-16 | 2018-11-09 | 艾若弗尔能源有限公司 | The improvement of open display refrigerator |
| CN106043665A (en) * | 2016-06-01 | 2016-10-26 | 中国航空工业集团公司西安飞机设计研究所 | Side wall interior trim panel of aircraft |
| CN106051947A (en) * | 2016-07-19 | 2016-10-26 | 风神空气生态技术工程（上海）有限公司 | Ultra-thin low-noise energy-saving sill type air supply system for improving indoor environment |
| CN109405134A (en) * | 2018-11-05 | 2019-03-01 | 珠海格力电器股份有限公司 | Cold air equipment |
| CN109820234A (en) * | 2018-12-20 | 2019-05-31 | 张家口卷烟厂有限责任公司 | First air separating device |
| CN109820234B (en) * | 2018-12-20 | 2021-10-29 | 张家口卷烟厂有限责任公司 | Primary air separation device |
| CN109953563A (en) * | 2019-04-28 | 2019-07-02 | 浙江星星冷链集成股份有限公司 | Double air curtain refrigerated display cabinets |
| CN109953563B (en) * | 2019-04-28 | 2024-04-02 | 浙江星星冷链集成股份有限公司 | Double air curtain refrigeration showcase |
| CN114502891A (en) * | 2020-08-19 | 2022-05-13 | Itt制造企业有限责任公司 | Air safety system |
| CN112432300A (en) * | 2020-11-25 | 2021-03-02 | 中国矿业大学 | Virus/bacterium diffusion protection device and method for supermarket |
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