CN108759271A - A kind of oppositely-blowing three-circulation wind curtain unit - Google Patents
A kind of oppositely-blowing three-circulation wind curtain unit Download PDFInfo
- Publication number
- CN108759271A CN108759271A CN201810689493.2A CN201810689493A CN108759271A CN 108759271 A CN108759271 A CN 108759271A CN 201810689493 A CN201810689493 A CN 201810689493A CN 108759271 A CN108759271 A CN 108759271A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- opening
- oppositely
- wind turbine
- blowing
- 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
Links
Classifications
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/023—Air curtain closures
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a kind of oppositely-blowing three-circulation wind curtain units, belong to freezer technical field.This air curtain unit includes the first cabinet and the second cabinet being oppositely arranged, the first wind turbine and third wind turbine are provided on first cabinet, the first opening and the 4th opening being connected with the inner cavity of the first cabinet are offered on first cabinet, the second wind turbine and four fan device are provided 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, third wind turbine is oppositely arranged with third opening, four fan device is oppositely arranged with the 4th 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 blocking 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
Technical field
The invention belongs to freezer technical fields, are related to a kind of oppositely-blowing three-circulation wind 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 three-circulation wind 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 three-circulation wind 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, offered on first cabinet with
The first opening and the 4th that the inner cavity of first cabinet is connected is open, and the second wind turbine and the 4th wind are provided on second cabinet
Machine, the second opening being connected with the inner cavity of the second cabinet is offered on second cabinet and third is open, and described first
Wind turbine is oppositely arranged with the second opening, and second wind turbine is oppositely arranged with the first opening, and the third wind turbine is open with third
It is oppositely arranged, the four fan device is oppositely arranged with the 4th 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, third wind turbine and four fan device start, and the wind of the first wind turbine blowout is opened via second
Mouth flows into the inner cavity of the second cabinet, and after being accelerated by the second wind turbine, part wind flows into the interior of the first cabinet via the first opening
In chamber, flowed out after being accelerated again by the first wind turbine later, the flowing of such wind is formed first cycle;At the same time, portion
Divide wind via the first opening, flow into the inner cavity of the first cabinet, after being accelerated again by third wind turbine later, is open and flows via third
Into in the inner cavity of the second cabinet, flowed out after being accelerated by the second wind turbine, the flowing of such wind is formed second cycle;With this
Meanwhile the wind of third wind turbine blowout, it is flowed into the inner cavity of the second cabinet via third opening, after being accelerated by four fan device, warp
It by the 4th opening, flows into the inner cavity of the first cabinet, is flowed out after being accelerated again by third wind turbine later, the flowing of such wind is with regard to shape
It is recycled at third.I.e. this air curtain unit can generate the flowing wind of three cycles, the enough preferably blockings of the wind energy circulated
Cold air outflow in freezer prevents to alter in the outer hot gas of freezer, brings better blocking effect, the first wind turbine, the second wind turbine and the
Three wind turbines are that wind circulates offer power, thus make wind power in flow process more sufficient, are further stopped
It is altered in cold air outflow, the outer hot gas of blocking freezer in freezer.In addition, this air curtain unit is by the way of horizontal blast, air-supply away from
From shorter, heat insulation is more preferable.
In a kind of above-mentioned oppositely-blowing three-circulation wind curtain unit, several first blocks are provided in first cabinet,
Each first block is horizontally extending, and short transverse of each first block along first babinet is uniformly distributed.
In a kind of above-mentioned oppositely-blowing three-circulation wind curtain unit, several second blocks are provided in second cabinet,
Each second block is horizontally extending, and short transverse of each second block along second babinet is uniformly distributed.
In a kind of above-mentioned oppositely-blowing three-circulation wind curtain unit, first opening and the 4th opening are both provided with
Several first deflectors, each first deflector are respectively positioned in the inner cavity of first cabinet, and each first deflector is arc-shaped.The
One deflector plays guide functions, keeps the flowing of wind more smooth, promotes airflow circulating, further increases blocking effect.
In a kind of above-mentioned oppositely-blowing three-circulation wind 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 three-circulation wind 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 three-circulation wind 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 three-circulation wind 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 three-circulation wind 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 first bumping post is also several, the second bumping post position having
In the export center position of the second wind turbine, the second bumping post having is located at the export center position of four fan device, the first wind turbine, second
The center of wind turbine, third wind turbine and four fan device is arranged the first bumping post and the second bumping post reduces nothing almost without wind
Air-out area is imitated, while also functioning to afflux effect.
In a kind of above-mentioned oppositely-blowing three-circulation wind 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, alter in the outer hot gas of blocking 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;1b the 4th is open;The first blocks of 1c;The first deflectors of 1d;1e thirds are led
Flowing plate;1f first puts leaf;The first bumping posts of 1g;2 second cabinets;2a second is open;2b thirds are open;The second blocks of 2c;2d second
Deflector;The 4th deflectors of 2e;2f second puts leaf;The second bumping posts of 2g;3 first wind turbines;4 second wind turbines;5 third wind turbines;6 the 4th
Wind turbine.
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, first to be connected with the inner cavity of the first cabinet 1 is offered on the first cabinet 1 and is opened
The opening 1b of mouthful 1a and the 4th are provided with the second wind turbine 4 and four fan device 6 on second cabinet 2, offered on the second cabinet 2 with
The the second opening 2a and third opening 2b that the inner cavity of second cabinet 2 is connected, the first wind turbine 3 are oppositely arranged with the second opening 2a,
Second wind turbine 4 is oppositely arranged with the first opening 1a, and third wind turbine 5 is oppositely arranged with third opening 2b, and four fan device 6 is opened with the 4th
Mouth 1b is oppositely arranged.
As shown in Fig. 2, in the present embodiment, several first block 1c, the equal edges each first block 1c are provided in the first cabinet 1
Horizontal direction extends, and short transverses of each first block 1c along the first babinet is uniformly distributed.
As shown in figure 3, in the present embodiment, several second block 2c are provided in the second cabinet 2, each second block 2c is along water
Square to extension, short transverses of each second block 2c along the second babinet is uniformly distributed.
As shown in Fig. 2, in the present embodiment, several first deflectors are both provided at the first opening 1a and at the 4th opening 1b
1d, each first deflector 1d are respectively positioned in the inner cavity of the first cabinet 1, and each first deflector 1d is arc-shaped.First deflector 1d
Guide functions are played, keep the flowing of wind 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 1e, 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 1e 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 1e 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 1f, each first pendulum leaf are provided on the first cabinet 1
1f 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 1f and the second pendulum leaf 2f are obliquely installed, and pass through the first pendulum leaf 1f 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 1g on the first cabinet 1, is provided on the second cabinet 2
Two bumping post 2g.First bumping post 1g is several, and the first bumping post 1g having is located at the export center position of the first wind turbine 3, the had
One bumping post 1g is located at the export center position of third wind turbine 5, and the first bumping post 1g is also several, and the second bumping post 2g having is located at the
The export center position of two wind turbines 4, the second bumping post 2g having are located at the export center position of four fan device 6, the first wind turbine 3,
The first bumping post 1g and the second bumping post is arranged almost without wind in the center of two wind turbines 4, third wind turbine 5 and four fan device 6 four
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, the length of the second cabinet 2 is second
Twice of the width of cabinet 2.The structure can ensure that air duct has sufficient space, reduce the air intake resistance in air duct, make the stream of wind
It is dynamic 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 three-circulation wind 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) and the 4th opening (1b) being connected with the inner cavity of the first cabinet (1), second machine are offered on
The second wind turbine (4) and four fan device (6) are provided on case (2), offered on second cabinet (2) with the second cabinet (2)
The second opening (2a) for being connected of inner cavity and third be open (2b), first wind turbine (3) is open (2a) with respect to setting with second
It sets, second wind turbine (4) is oppositely arranged with the first opening (1a), and the third wind turbine (5) is opposite with third opening (2b) to be set
It sets, the four fan device (6) is oppositely arranged with the 4th opening (1b).
2. a kind of oppositely-blowing three-circulation wind curtain unit according to claim 1, which is characterized in that first cabinet (1)
Several first blocks (1c) are inside provided with, each first block (1c) is horizontally extending, and each first block (1c) is along institute
The short transverse for stating the first babinet is uniformly distributed.
3. a kind of oppositely-blowing three-circulation wind curtain unit according to claim 1, which is characterized in that second cabinet (2)
Several second blocks (2c) are inside provided with, each second block (2c) is horizontally extending, and each second block (2c) is along described
The short transverse of second babinet is uniformly distributed.
4. a kind of oppositely-blowing three-circulation wind curtain unit according to claim 1, which is characterized in that first opening (1a)
Several first deflectors (1d) are both provided at place and the 4th opening (1b), each first deflector (1d) is respectively positioned on first machine
In the inner cavity of case (1), each first deflector (1d) is arc-shaped.
5. a kind of oppositely-blowing three-circulation wind 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 three-circulation wind 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 (1e) is both provided between the inner wall of one cabinet (1), each third deflector (1e) is arc-shaped.
7. a kind of oppositely-blowing three-circulation wind 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 three-circulation wind curtain unit according to claim 1, which is characterized in that first cabinet (1)
On be provided with it is several first pendulum leaves (1f), it is each first pendulum leaf (1f) 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 three-circulation wind curtain unit according to claim 1, which is characterized in that first cabinet (1)
On be provided with the first bumping post (1g), be provided with the second bumping post (2g) on second cabinet (2).
10. according to a kind of oppositely-blowing three-circulation wind 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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810689493.2A CN108759271A (en) | 2018-06-28 | 2018-06-28 | A kind of oppositely-blowing three-circulation wind curtain unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810689493.2A CN108759271A (en) | 2018-06-28 | 2018-06-28 | A kind of oppositely-blowing three-circulation wind curtain unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108759271A true CN108759271A (en) | 2018-11-06 |
Family
ID=63974603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810689493.2A Pending CN108759271A (en) | 2018-06-28 | 2018-06-28 | A kind of oppositely-blowing three-circulation wind curtain unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108759271A (en) |
Citations (6)
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 |
WO2018040551A1 (en) * | 2016-08-31 | 2018-03-08 | 芜湖美智空调设备有限公司 | Air guide device, air-conditioner cabinet, and air supply method therefor |
CN208365918U (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 three-circulation wind curtain unit |
-
2018
- 2018-06-28 CN CN201810689493.2A patent/CN108759271A/en active Pending
Patent Citations (6)
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 |
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 |
WO2018040551A1 (en) * | 2016-08-31 | 2018-03-08 | 芜湖美智空调设备有限公司 | Air guide device, air-conditioner cabinet, and air supply method therefor |
CN208365918U (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 three-circulation wind curtain unit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108759270A (en) | A kind of oppositely-blowing Two-way Cycle air curtain unit | |
CN208365917U (en) | A kind of oppositely-blowing Two-way Cycle air curtain unit | |
CN205842948U (en) | High-efficiency and energy-saving type freezer air curtain | |
CN107339842A (en) | With air curtain function Horizontal type wind-cooling refrigerator | |
CN107120891A (en) | Horizontal refrigerator with four sides air blowing function | |
CN103851852A (en) | Air supply system of refrigerator, refrigerator and air supply method | |
CN208365918U (en) | A kind of oppositely-blowing three-circulation wind curtain unit | |
CN104180584A (en) | Damping stepped air curtain structure of freezer | |
CN205176998U (en) | Vending machine | |
CN208365750U (en) | A kind of oppositely-blowing single cycle air curtain unit | |
CN112556270A (en) | Air-cooled horizontal cabinet | |
CN202799422U (en) | Diversion air channel type energy-saving rack with separated cold air and hot air | |
CN106051958B (en) | Subway station evaporation condensation direct expansion evaporation type air conditioning system and control method thereof | |
CN204739826U (en) | Mechanical return air throttle setting and refrigerator of refrigerator | |
CN108759271A (en) | A kind of oppositely-blowing three-circulation wind curtain unit | |
CN204043277U (en) | A kind of refrigerator damping staged air curtain structure | |
CN205980533U (en) | Refrigeration device and has this refrigeration device for door system ice maker | |
CN105674658A (en) | Refrigerator and control method thereof | |
CN108518792A (en) | A kind of oppositely-blowing single cycle air curtain unit | |
CN203413901U (en) | Air supply system of refrigerator and refrigerator | |
CN206222464U (en) | Cabinet air-conditioner and air-conditioner | |
CN107356033A (en) | Horizontal type wind-cooling refrigerator with fresh-keeping function | |
CN201368557Y (en) | Double-layered vacuum energy-saving air curtain machine | |
CN212132841U (en) | Air-out structure suitable for air curtain clothes closet | |
CN110873489A (en) | Refrigerating apparatus and control method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |