CN108759270A - A kind of oppositely-blowing Two-way Cycle air curtain unit - Google Patents

A kind of oppositely-blowing Two-way Cycle air curtain unit Download PDF

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Publication number
CN108759270A
CN108759270A CN201810688605.2A CN201810688605A CN108759270A CN 108759270 A CN108759270 A CN 108759270A CN 201810688605 A CN201810688605 A CN 201810688605A CN 108759270 A CN108759270 A CN 108759270A
Authority
CN
China
Prior art keywords
cabinet
opening
air curtain
wind turbine
oppositely
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810688605.2A
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Chinese (zh)
Inventor
郑晓鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Dan De Automation Science And Technology Ltd
Original Assignee
Guangzhou Dan De Automation Science And Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Dan De Automation Science And Technology Ltd filed Critical Guangzhou Dan De Automation Science And Technology Ltd
Priority to CN201810688605.2A priority Critical patent/CN108759270A/en
Publication of CN108759270A publication Critical patent/CN108759270A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/023Air curtain closures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00Use of air currents for screening, e.g. air curtains
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04Preventing the formation of frost or condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00Use of air currents for screening, e.g. air curtains
    • F24F2009/005Use of air currents for screening, e.g. air curtains combined with a door

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The present invention provides a kind of oppositely-blowing Two-way Cycle air curtain units, belong to freezer technical field.This described air curtain unit includes the first cabinet and the second cabinet being oppositely arranged, it is provided with the first wind turbine and third wind turbine on first cabinet, the first opening being connected with the inner cavity of the first cabinet is offered on first cabinet, it is provided with the second wind turbine on second cabinet, the second opening being connected with the inner cavity of the second cabinet and third opening are offered on second cabinet, first wind turbine is oppositely arranged with the second opening, second wind turbine is oppositely arranged with the first opening, and the third wind turbine is oppositely arranged with third opening.This air curtain unit can make the flowing of wind form Two-way Cycle, altered in the cold air outflow, the outer hot gas of prevention freezer in the enough preferably blocking freezers of the wind energy circulated, bring better blocking effect, this air curtain good heat-insulation effect more energy saving.

Description

A kind of oppositely-blowing Two-way Cycle air curtain unit
Technical field
The invention belongs to freezer technical fields, are related to a kind of oppositely-blowing Two-way Cycle air curtain unit.
Background technology
With the development of grocery trade, food variety is more and more, some food can be stored by cryogenic freezing, therefore can build Freezer, cold-storage door are widely used on freezer.It is past in order to stop that the cold air in freezer outflows when opening cold-storage door It is past to use air curtain.
In the prior art, an air curtain is only installed on cold-storage door, gas is blown from top to bottom by air curtain, blocking is cold Library cold air outflow.
Above-mentioned air curtain is limited to the barrier effect of cold air, and blocking effect is poor, and freezer doorway has frost, former Because being that cold air sinks, hot gas rises.In addition, traditional air curtain stops that cold air effect is most weak close at ground in cold-storage door, therefore The position is the strongest position of cold air outflow.
Invention content
The present invention existing above problem in view of the prior art, provides a kind of oppositely-blowing Two-way Cycle air curtain unit, this hair It is bright the technical problem to be solved is that:How the effect of blocking cold air is improved.
Object of the invention can be realized by the following technical scheme:
A kind of oppositely-blowing Two-way Cycle air curtain unit, which is characterized in that the air curtain unit includes the first machine being oppositely arranged Case and the second cabinet are provided with the first wind turbine and third wind turbine on first cabinet, are offered on first cabinet and the The first opening that the inner cavity of one cabinet is connected, is provided with the second wind turbine on second cabinet, is opened up on second cabinet There are the second opening being connected with the inner cavity of the second cabinet and third opening, first wind turbine is opposite with the second opening to be set It sets, second wind turbine is oppositely arranged with the first opening, and the third wind turbine is oppositely arranged with third opening.
Its operation principle is:First cabinet and the second cabinet are separately positioned on the side of cold-storage door and the two is oppositely arranged, When work, the first wind turbine, the second wind turbine and third wind turbine start, the wind of the first wind turbine blowout, and the is flowed into via the second opening In the inner cavity of two cabinets, after being accelerated by the second wind turbine, via the first opening, flows into the inner cavity of the first cabinet, lead to again later It crosses after the first wind turbine accelerates and flows out, the flowing of such wind is formed a cycle;At the same time, the wind of third wind turbine blowout, It is flowed into the inner cavity of the second cabinet via third opening, after accelerating by the second wind turbine, via the first opening, flows into the first cabinet Inner cavity in, later again by third wind turbine accelerate after flow out, the flowing of such wind is formed another cycle.That is this air curtain Unit can generate bicirculating flowing wind, outside the cold air outflow and library in the enough preferably blocking freezers of the wind energy circulated Hot gas channelling in freezer, it is the cycle of wind to bring better blocking effect, the first wind turbine, the second wind turbine and third wind turbine Flowing provides power, thus makes wind power in flow process more sufficient, further stops that the cold air in freezer outflows, is cold It is altered in hot gas outside library.In addition, this air curtain unit is by the way of horizontal blast, air supplying distance is shorter, and heat insulation is more preferable.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, the first block there are two settings in first cabinet, Each first block is horizontally extending, and first opening is located between two the first blocks, and first wind turbine is located at The lower section of one the first block, the third wind turbine are located at the top of another the first block.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, the second block there are two settings in second cabinet, Each second block is horizontally extending, and second opening is located at positioned at the lower section of second block, the third opening The lower section of another the second block, second wind turbine are located between two the second blocks.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, first opening is provided with several first water conservancy diversion Plate, each first deflector are respectively positioned in the inner cavity of first cabinet, and each first deflector is arc-shaped.First deflector plays Guide functions keep the flowing of wind more smooth, promote airflow circulating, further increase blocking effect.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, second opening and third opening are both provided with Several second deflectors, each second deflector are respectively positioned in the inner cavity of second cabinet, and each second deflector is arc-shaped.The Two deflectors play guide functions, keep the flowing of wind more smooth, promote airflow circulating, further increase blocking effect.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, first cabinet is square, first cabinet Between roof and the inner wall of the first cabinet and third is both provided between the bottom wall of the first cabinet and the inner wall of the first cabinet to lead Flowing plate, each third deflector are arc-shaped.The junction of the inner wall of the roof of first cabinet and the first cabinet is right angle, the first machine The junction of the inner wall of the bottom wall of case and the first cabinet is also right angle, and square position will produce turbulent airflow, influence airflow circulating, Setting third deflector plays good guide functions, can reduce the influence that turbulent flow generates airflow circulating.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, second cabinet is square, second cabinet Between roof and the inner wall of the second cabinet and the 4th is both provided between the bottom wall of the second cabinet and the inner wall of the second cabinet to lead Flowing plate, each 4th deflector are arc-shaped.The junction of the inner wall of the roof of second cabinet and the second cabinet is right angle, the second machine The junction of the inner wall of the bottom wall of case and the second cabinet is also right angle, and square position will produce turbulent airflow, influence airflow circulating, 4th deflector is set and plays good guide functions, the influence that turbulent flow generates airflow circulating can be reduced.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, several first pendulum leaves are provided on first cabinet, Each first pendulum leaf extends along the short transverse of first cabinet, several second pendulum leaves is provided on second cabinet, respectively Second pendulum leaf extends along the short transverse of second cabinet.First pendulum leaf and the second pendulum leaf are obliquely installed, and pass through first Leaf and the second pendulum leaf water conservancy diversion are put, airflow circulating is formed, can play the role of stopping that cold air outflows, stream in heat-insulated gas.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, the first bumping post is provided on first cabinet, it is described The second bumping post is provided on second cabinet.First bumping post is several, and the first bumping post having is located at the export center of the first wind turbine Position, the first bumping post having are located at the export center position of third wind turbine, and the second bumping post is located at the export center position of the second wind turbine It sets, the first bumping post and the second bumping post is arranged almost without wind in the center of the first wind turbine, the second wind turbine and third wind turbine three Invalid air-out area is reduced, while also functioning to afflux effect.
In a kind of above-mentioned oppositely-blowing Two-way Cycle air curtain unit, the length of first cabinet is the width of the first cabinet Twice, the length of second cabinet is twice of the width of the second cabinet.It is empty enough that the structure can ensure that air duct has Between, the air intake resistance in air duct is reduced, keeps the flowing of wind more smooth, promotes airflow circulating, further increases blocking effect.
Compared with prior art, advantages of the present invention is as follows:
1, this air curtain unit can make the flowing of wind form Two-way Cycle, in the enough preferably blocking freezers of the wind energy circulated Cold air outflow, prevent from altering in the outer hot gas of freezer, bring better blocking effect.
2, for this air curtain unit by the way of horizontal blast, air supplying distance is shorter, and heat insulation is more preferable, and freezer doorway will not There is frost.
3, this air curtain unit can reduce the energy exchange of outdoor hot gas and cold air in freezer, good heat-insulation effect, more supernumerary segment Energy.
4, the first deflector of this air curtain unit, the second deflector play guide functions, can make the flowing of wind more It is smooth, promote airflow circulating, further increases blocking effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of this air curtain unit.
Fig. 2 is the structural schematic diagram of the first cabinet.
Fig. 3 is the structural schematic diagram of the second cabinet.
Fig. 4 is schematic diagram when the first pendulum leaf is in heeling condition.
Fig. 5 is schematic diagram when the second pendulum leaf is in heeling condition.
In figure, 1 first cabinet;1a first is open;The first blocks of 1b;The first deflectors of 1c;1d third deflectors;1e first Put leaf;The first bumping posts of 1f;2 second cabinets;2a second is open;2b thirds are open;The second blocks of 2c;The second deflectors of 2d;2e Four deflectors;2f second puts leaf;The second bumping posts of 2g;3 first wind turbines;4 second wind turbines;5 third wind turbines.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
As shown in Figs. 1-3, this air curtain unit includes the first cabinet 1 and the second cabinet 2 being oppositely arranged, on the first cabinet 1 It is provided with the first wind turbine 3 and third wind turbine 5, the first opening being connected with the inner cavity of the first cabinet 1 is offered on the first cabinet 1 1a is provided with the second wind turbine 4 on the second cabinet 2, to be connected with the inner cavity of the second cabinet 2 is offered on the second cabinet 2 Two opening 2a and third opening 2b, the first wind turbine 3 are oppositely arranged with the second opening 2a, and the second wind turbine 4 is opposite with the first opening 1a Setting, third wind turbine 5 are oppositely arranged with third opening 2b.
As shown in Fig. 2, in the present embodiment, there are two the first equal edges block 1b, each first block 1b for setting in the first cabinet 1 Horizontal direction extends, and the first opening 1a is located between two the first block 1b, and the first wind turbine 3 is located under a first block 1b Side, third wind turbine 5 are located at the top of another first block 1b.
As shown in figure 3, in the present embodiment, there are two the second block 2c for setting in the second cabinet 2, and each second block 2c is along water Square to extension, the second opening 2a is located at the lower section of a second block 2c, and the third 2b that is open is located at another second block 2c Lower section, the second wind turbine 4 is located between two the second block 2c.
As shown in Fig. 2, in the present embodiment, several first deflector 1c, each first deflector are provided at the first opening 1a 1c is respectively positioned in the inner cavity of the first cabinet 1, and each first deflector 1c is arc-shaped.First deflector 1c plays guide functions, makes The flowing of wind is more smooth, promotes airflow circulating, further increases blocking effect.
As shown in figure 3, in the present embodiment, several second deflectors are both provided at the second opening 2a and at third opening 2b 2d, each second deflector 2d are respectively positioned in the inner cavity of the second cabinet 2, and each second deflector 2d is arc-shaped.Second deflector 2d Guide functions are played, keep the flowing of wind more smooth, promotes airflow circulating, further increases blocking effect.
As shown in Figs. 1-2, in the present embodiment, the first cabinet 1 is square, and the roof of the first cabinet 1 is interior with the first cabinet 1 Third deflector 1d, each third water conservancy diversion are both provided between wall and between the bottom wall of the first cabinet 1 and the inner wall of the first cabinet 1 Plate 1d is arc-shaped.The junction of the inner wall of the roof of first cabinet 1 and the first cabinet 1 be right angle, the bottom wall of the first cabinet 1 with The junction of the inner wall of first cabinet 1 is also right angle, and square position will produce turbulent airflow, influence airflow circulating, and third is arranged Deflector 1d plays good guide functions, can reduce the influence that turbulent flow generates airflow circulating.
As shown in figs. 1 and 3, in the present embodiment, the second cabinet 2 is square, the roof of the second cabinet 2 and the second cabinet 2 The 4th deflector 2e is both provided between inner wall and between the bottom wall of the second cabinet 2 and the inner wall of the second cabinet 2, each 4th leads Flowing plate 2e is arc-shaped.The junction of the inner wall of the roof of second cabinet 2 and the second cabinet 2 is right angle, the bottom wall of the second cabinet 2 Also it is right angle with the junction of the inner wall of the second cabinet 2, square position will produce turbulent airflow, influence airflow circulating, setting the Four deflector 2e play good guide functions, can reduce the influence that turbulent flow generates airflow circulating.
As shown in Fig. 1,4 and 5, in the present embodiment, several first pendulum leaf 1e, each first pendulum leaf are provided on the first cabinet 1 1e extends along the short transverse of the first cabinet 1, and several second pendulum leaf 2f are provided on the second cabinet 2, and each second pendulum leaf 2f is equal Short transverse along the second cabinet 2 extends.First pendulum leaf 1e and the second pendulum leaf 2f are obliquely installed, and pass through the first pendulum leaf 1e and the Two pendulum leaf 2f water conservancy diversion, form airflow circulating, can play the role of stopping cold air outflow, the interior stream of heat-insulated gas.
As shown in Figure 1, in the present embodiment, it is provided with the first bumping post 1f on the first cabinet 1, is provided on the second cabinet 2 Two bumping post 2g.First bumping post 1f is several, and the first bumping post 1f having is located at the export center position of the first wind turbine 3, the had One bumping post 1f is located at the export center position of third wind turbine 5, and the second bumping post 2g is located at the export center position of the second wind turbine 4, the The first bumping post 1f and the second bumping post is arranged almost without wind in the center of 5 three of one wind turbine 3, the second wind turbine 4 and third wind turbine 2g reduces invalid air-out area, while also functioning to afflux effect.
Preferably, the length of the first cabinet 1 is twice of the width of the first cabinet 1, and the length of the second cabinet 2 is the second machine Twice of the width of case 2.The structure can ensure that air duct has sufficient space, reduce the air intake resistance in air duct, make the flowing of wind It is more smooth, promote airflow circulating, further increases blocking effect.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (10)

1. a kind of oppositely-blowing Two-way Cycle air curtain unit, which is characterized in that the air curtain unit includes the first cabinet being oppositely arranged (1) and the second cabinet (2) the first wind turbine (3) and third wind turbine (5), first cabinet, are provided on first cabinet (1) (1) the first opening (1a) being connected with the inner cavity of the first cabinet (1) is offered on, and the is provided on second cabinet (2) Two wind turbines (4), offer on second cabinet (2) the second opening (2a) being connected with the inner cavity of the second cabinet (2) and Third is open (2b), and first wind turbine (3) is oppositely arranged with the second opening (2a), second wind turbine (4) and the first opening (1a) is oppositely arranged, and the third wind turbine (5) is oppositely arranged with third opening (2b).
2. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that first cabinet (1) There are two the first blocks (1b) for interior setting, and each first block (1b) is horizontally extending, and first opening (1a) is located at Between two the first blocks (1b), first wind turbine (3) is located at the lower section of first block (1b), the third wind turbine (5) it is located at the top of another the first block (1b).
3. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that second cabinet (2) There are two the second blocks (2c) for interior setting, and each second block (2c) is horizontally extending, and second opening (2a) is located at one The lower section of a second block (2c), the third opening (2b) are located at the lower section of another the second block (2c), second wind Machine (4) is located between two the second blocks (2c).
4. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that first opening (1a) Place is provided with several first deflectors (1c), and each first deflector (1c) is respectively positioned in the inner cavity of first cabinet (1), and each One deflector (1c) is arc-shaped.
5. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that second opening (2a) Several second deflectors (2d) are both provided at place and third opening (2b), each second deflector (2d) is respectively positioned on second machine In the inner cavity of case (2), each second deflector (2d) is arc-shaped.
6. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that first cabinet (1) It is square, between the roof and the inner wall of the first cabinet (1) of first cabinet (1) and the bottom wall of the first cabinet (1) and Third deflector (1d) is both provided between the inner wall of one cabinet (1), each third deflector (1d) is arc-shaped.
7. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that second cabinet (2) It is square, between the roof and the inner wall of the second cabinet (2) of second cabinet (2) and the bottom wall of the second cabinet (2) and The 4th deflector (2e) is both provided between the inner wall of two cabinets (2), each 4th deflector (2e) is arc-shaped.
8. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that first cabinet (1) On be provided with it is several first pendulum leaves (1e), it is each first pendulum leaf (1e) along the short transverse of first cabinet (1) extend, it is described Several second pendulum leaves (2f) are provided on second cabinet (2), each second pendulum leaf (2f) is along the height side of second cabinet (2) To extension.
9. a kind of oppositely-blowing Two-way Cycle air curtain unit according to claim 1, which is characterized in that first cabinet (1) On be provided with the first bumping post (1f), be provided with the second bumping post (2g) on second cabinet (2).
10. according to a kind of oppositely-blowing Two-way Cycle air curtain unit of claim 1-9 any one of them, which is characterized in that described The length of one cabinet (1) is twice of the width of the first cabinet (1), and the length of second cabinet (2) is the second cabinet (2) Twice of width.
CN201810688605.2A 2018-06-28 2018-06-28 A kind of oppositely-blowing Two-way Cycle air curtain unit Pending CN108759270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810688605.2A CN108759270A (en) 2018-06-28 2018-06-28 A kind of oppositely-blowing Two-way Cycle air curtain unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810688605.2A CN108759270A (en) 2018-06-28 2018-06-28 A kind of oppositely-blowing Two-way Cycle air curtain unit

Publications (1)

Publication Number Publication Date
CN108759270A true CN108759270A (en) 2018-11-06

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CN201810688605.2A Pending CN108759270A (en) 2018-06-28 2018-06-28 A kind of oppositely-blowing Two-way Cycle air curtain unit

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200256570A1 (en) * 2019-02-12 2020-08-13 Trinity Industrial Corporation Air curtain generating device
JP2021055902A (en) * 2019-09-30 2021-04-08 株式会社前川製作所 Air shutter device
CN115751583A (en) * 2022-11-17 2023-03-07 珠海格力电器股份有限公司 Air curtain machine equipment and control method and device thereof
CN115899937A (en) * 2022-12-12 2023-04-04 江苏黑马森田机器人有限公司 Internal circulation type one-way direct-blowing efficient air curtain door device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798191A (en) * 2012-07-22 2012-11-28 上海海洋大学 Double-layer air curtain system for refrigeration storage
JP2013194987A (en) * 2012-03-19 2013-09-30 Fuji Electric Co Ltd Cold air circulation type doored freezing and refrigerating showcase
CN104848466A (en) * 2015-05-27 2015-08-19 南通四方冷链装备股份有限公司 Air curtain machine
CN205842948U (en) * 2016-08-02 2016-12-28 江苏晶雪节能科技股份有限公司 High-efficiency and energy-saving type freezer air curtain
WO2017198068A1 (en) * 2016-05-16 2017-11-23 珠海格力电器股份有限公司 Air conditioner, fan system, and air duct component thereof
CN208365917U (en) * 2018-06-28 2019-01-11 广州丹德自动化科技有限公司 A kind of oppositely-blowing Two-way Cycle air curtain unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013194987A (en) * 2012-03-19 2013-09-30 Fuji Electric Co Ltd Cold air circulation type doored freezing and refrigerating showcase
CN102798191A (en) * 2012-07-22 2012-11-28 上海海洋大学 Double-layer air curtain system for refrigeration storage
CN104848466A (en) * 2015-05-27 2015-08-19 南通四方冷链装备股份有限公司 Air curtain machine
WO2017198068A1 (en) * 2016-05-16 2017-11-23 珠海格力电器股份有限公司 Air conditioner, fan system, and air duct component thereof
CN205842948U (en) * 2016-08-02 2016-12-28 江苏晶雪节能科技股份有限公司 High-efficiency and energy-saving type freezer air curtain
CN208365917U (en) * 2018-06-28 2019-01-11 广州丹德自动化科技有限公司 A kind of oppositely-blowing Two-way Cycle air curtain unit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200256570A1 (en) * 2019-02-12 2020-08-13 Trinity Industrial Corporation Air curtain generating device
JP2020133913A (en) * 2019-02-12 2020-08-31 トリニティ工業株式会社 Air curtain generation device
JP7252000B2 (en) 2019-02-12 2023-04-04 トリニティ工業株式会社 Air curtain generator
US11686486B2 (en) * 2019-02-12 2023-06-27 Trinity Industrial Corporation Air curtain generating device
JP2021055902A (en) * 2019-09-30 2021-04-08 株式会社前川製作所 Air shutter device
JP7454348B2 (en) 2019-09-30 2024-03-22 株式会社前川製作所 Air shutter device
CN115751583A (en) * 2022-11-17 2023-03-07 珠海格力电器股份有限公司 Air curtain machine equipment and control method and device thereof
CN115751583B (en) * 2022-11-17 2024-05-03 珠海格力电器股份有限公司 Air curtain machine equipment and control method and device thereof
CN115899937A (en) * 2022-12-12 2023-04-04 江苏黑马森田机器人有限公司 Internal circulation type one-way direct-blowing efficient air curtain door device
CN115899937B (en) * 2022-12-12 2023-10-20 江苏黑马森田机器人有限公司 Internal circulation type unidirectional direct-blowing efficient air curtain door device

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