CN108430277A - Refrigerate selling device - Google Patents
Refrigerate selling device Download PDFInfo
- Publication number
- CN108430277A CN108430277A CN201580085491.7A CN201580085491A CN108430277A CN 108430277 A CN108430277 A CN 108430277A CN 201580085491 A CN201580085491 A CN 201580085491A CN 108430277 A CN108430277 A CN 108430277A
- Authority
- CN
- China
- Prior art keywords
- refrigeration
- warm air
- selling device
- yishanmen
- door
- 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.)
- Granted
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0408—Cases or cabinets of the closed type with forced air circulation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/043—Doors, covers
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
A kind of refrigeration selling device (10) is configurable for providing cold air stream (C), and the cold air stream is generally vertically flowed at least descending in front for refrigeration sale space (28) in a downward direction and along the inside of the low portion of at least Yishanmen (8).The refrigeration selling device (10) includes at least one warm air channel (17), and the warm air channel is extended to from front side of the refrigeration selling device (10) in the refrigeration selling device (10) below at least Yishanmen (8).The warm air channel (17) is configurable for that warm air is made to flow into the refrigeration selling device (10) and for the temperature from at least low portion of Yishanmen (8) to be maintained at dew-point temperature or more from the region before the refrigeration selling device (10).The refrigeration selling device (10) is configured such that stream of warm air (W) is drawn through at least one warm air channel (17) by cold air stream (C) and converges with the cold air stream (C).
Description
The present invention relates to a kind of refrigeration selling devices (furniture), more particularly to one kind is including at least Yishanmen and extremely
The refrigeration selling device in a few warm air channel, at least one warm air channel are configured for reducing at least Yishanmen
Locate the risk of condensation.
In order to more effectively operate, refrigeration selling device is often equipped with door, especially glass door, on the inside of utensil
It establishes and detaches between refrigerating space and the warm environment on the outside of utensil.One common problem encountered is that condensate is formed in the lower part portion of door
Point, and this is non-desired and should be avoided.
Therefore it provides a kind of such improved refrigeration selling device will be beneficial, the refrigeration selling device is effectively
The condensation on its low portion is avoided, without introducing active parts.
In accordance with an exemplary embodiment of the invention, a kind of refrigeration selling device includes：Appliance body is provided for depositing
Store up the refrigeration sale space of product wherein to be presented；It is at least one to enter region, it provides and enters refrigeration sale space
Approach；At least Yishanmen is arranged at least one at region and can closing at least one pass into region
Closed position and permission are moved via between at least one at least one open position for entering refrigeration sale space into region.Institute
It further includes return air opening to state refrigeration selling device, is arranged at the bottom in refrigeration sale space close at least Yishanmen
For receiving cold air stream, the cold air stream is at least descended in front in a downward direction generally refrigeration sale space
Vertically flow.At least one warm air channel extends to refrigeration pin below at least Yishanmen on front side of refrigeration selling device
It sells in utensil, especially extends in refrigeration sale space.The warm air channel is configured as when door is in its closed position
For warm air to be flow to from the region before refrigeration selling device in refrigeration selling device, by the lower part of at least Yishanmen
Temperature at part is maintained at dew-point temperature or more.The refrigeration selling device is configured to so that stream of warm air passes through
Cold air stream (such as cold air curtain) is drawn through at least one warm air channel and converges with the cold air stream.
The exemplary implementation scheme of the present invention further includes that a kind of reduce condenses on the surface of the door of refrigeration selling device
The method of risk, the refrigeration selling device include：Appliance body provides a store for the cold of product wherein to be presented
Hide sale space；It is at least one to enter region, the approach for entering refrigeration sale space is provided：And at least Yishanmen, it sets
It sets at least one at region and at least one closed position into region being closed and allowed via at least one
It is moved between a at least one open position for entering refrigeration sale space into region；And at least one warm air channel,
It is extended to from front side of refrigeration selling device in refrigeration selling device below at least Yishanmen；Wherein the method includes with
Lower step：Cold air stream is provided, refrigeration sale space close at least inside of the low portion of Yishanmen at least under
It is generally perpendicularly flowed into a downward direction in front in the return air opening being arranged at the bottom in refrigeration sale space；
When door is in its closed position, warm air is set to flow to refrigeration from the region before refrigeration selling device by warm air channel
In selling device, so that the temperature at the low portion of at least Yishanmen is maintained at dew-point temperature or more；And pass through cold sky
Stream of warm air is aspirated through at least one warm air channel and it is made to converge with cold air stream by air-flow.
In accordance with an exemplary embodiment of the invention, the convection current heat transfer efficiency on the low portion of the outer surface of door passes through edge
The low portion for door generates stream of warm air and increases.The stream of warm air leads to the temperature liter at the outer surface low portion of door
It is high.This contributes to the temperature by the low portion to be maintained at dew-point temperature or more and therefore makes a frozen-free.
Stream of warm air is especially generated without using additional fan, but it is only logical by forming warm air below door
Road especially forms warm air channel and using bernoulli principle and the wind being already present in utensil in door adjoining profile
Fan.
The exemplary implementation scheme of the present invention is had an advantage that can be in new active of the design that need not change door or addition
The simple of the condensation at the low portion of door is solved the problems, such as in the case of component (such as additional electric heater or fan)
Property.
The exemplary implementation scheme of the present invention reliably avoids the refrigeration pin especially flowed close to door in cold air curtain
The problem of selling the condensation in utensil.
Even if in the presence of by spacer, door frame, hinge and ensuring that other solid members of door of the mechanical structure of door cause
Heat bridge, and although the fact that the low portion of the edge of door, especially door constitutes heat-insulated intrinsic weakness, although and due to
The heat transfer that the acceleration of local air curtain occurs at the return air grid being arranged on the inside of cooling apparatus and enhances, it is of the invention
Exemplary implementation scheme still reliably avoids the problem of condensation.
The exemplary implementation scheme of the present invention may replace maintains dew-point temperature for the temperature in the low portion by door
Above other modes being contemplated that comprising improve the thermal resistance of door edge designs and/or avoided using air register cold
Air is in direct contact door.Alternatively, in addition to this, the exemplary implementation scheme of the present invention can also be provided.
Hereinafter, exemplary implementation scheme will be described with reference to the drawings：
Fig. 1 shows the schematic section of refrigeration selling device in accordance with an exemplary embodiment of the invention.
Fig. 2 shows the enlarged drawings in the region at the lower end for the glass door for refrigerating selling device shown in Fig. 1.
The low portion of door braced frame when Fig. 3 is shown for Fig. 1 and refrigeration selling device shown in Fig. 2 is put
Big figure.
Fig. 4 is shown at the lower end of the glass door of the refrigeration selling device of another exemplary embodiment according to the present invention
Region enlarged drawing.
Fig. 1 depicts the schematic section of refrigeration selling device 10, for the example of refrigeration selling device 10.Refrigeration sale
Utensil 10 includes appliance body 1, which limits refrigeration sale space 28, and refrigeration sale space 28 is configured as using
In storage product (not shown) wherein to be presented.Multiple goods on top of each other are provided in refrigeration sale space 28
Frame or rack 22, for housing and supporting the product.
The evaporator 2 of a part as refrigerating circuit is arranged on 10 bottom of refrigeration selling device and is in refrigeration sale sky
Between 28 lower section.Also it can be provided with the additional component of unshowned refrigerating circuit in Fig. 1 in refrigeration selling device 10, such as compress
Machine, condenser and expansion device.Alternatively, one or more of these components can be located at the outside of refrigeration selling device 10,
Such as the (not shown) in computer room or on the outside/roof of building for accommodating refrigeration selling device 10.
It is arranged on can be closed into region 11 by door 8, especially glass door at the front side in refrigeration sale space 28
It closes, the upper part 6a and low portion 6b and upper and lower part hinge 7 of the Men Youmen braced frames are pivotally supported.
In alternate embodiment not shown in the figure, refrigeration selling device can be equipped with two or more fan doors comprising are installed on
The sliding door on ball bearing rolled on track.Cold air is flowed out from refrigeration sale space 28 in order to prevent, in door support frame
Seal lip 9 is set at part 6a, 6b of frame between the arresting lever 12 formed and door 8.In addition, elastic buffer 13 is arranged on
Between arresting lever 12 and door 8, for when door 8 is closed buffered gate 8 to the impact of arresting lever 12 and for keeping door 8 and arresting lever
Restriction gap between 12.
The return air duct 26 essentially horizontally extended is formed on the entrance side of evaporator 2, which is located at
The right side of evaporator 2 in exemplary configuration shown in Fig. 1.Return air duct 26 accommodates fan 3, which is configured
For air is sucked from refrigeration sale space 28 by the return air opening 34 being arranged at the bottom in refrigeration sale space 28
To in return air duct 26 and by the air delivery to evaporator 2, the air is cooled down at the evaporator 2.
Return air opening 34 is refluxed the covering of air grid 4 for preventing article and other objects from falling into return air duct 26
In.
The cooling air that (left side of the evaporator 2 of exemplary configuration shown in Fig. 1) leaves evaporator 2 is transported to
In the vertical cold-air duct 24 extended vertically along the back side 29 in refrigeration sale space 28.
Vertical cold-air duct 24 may be provided with some cold airs opening 30, for by cold air from vertical cold air pipe
Road 24 is transported in refrigeration sale space 28.
Horizontal cold-air duct 25 is fluidly connected with the upper end of vertical cold-air duct 24, for by cold air from hang down
Direct-cooled air pipeline 24 is transported to the front side in refrigeration sale space 28.The front side end of horizontal cold-air duct 25 is provided with exhaust outlet
5, for cold air is discharged to from horizontal cold-air duct 25 in the upper front region for refrigerating sale space 28.
It is (" cold that the cold air being discharged by exhaust outlet 5 in the upper front region in refrigeration sale space 28 provides cold air stream
Air curtain ") C, it is substantially vertical from the top for refrigerating sale space 28 along the inside of the door 8 towards refrigeration sale space 28
Ground flow to bottom.
The cold air stream C reduces the temperature of door 8.When the outer surface of the door 8 towards 10 outside of refrigeration selling device
When temperature drops to dew-point temperature or less, the unexpected condensation of the humidity from surrounding air A will appear on the outside of door 8.
Due to the structure member for supporting door 8, especially including door braced frame part 6b and hinge 7, and due to the biography in the region
Heat enhancing, the risk of condensation are especially high at the low portion of door 8.
It is empty provided with refrigeration sale is extended to from outside in order to reduce the risk condensed in the low portion of door 8
Between warm air channel 17 in 28.The surrounding air stream W for flowing through the relative warmth in the warm air channel 17 is improved under door 8
Temperature at portion part.Dew-point temperature is fallen below it reduce the temperature of the low portion of door 8 and condenses generation
Risk.
Hereinafter, the structure in warm air channel 17 will be more fully described with reference to figure 2.
Fig. 2 shows the enlarged drawings of the low portion of the front side of refrigeration selling device 10, especially around the lower end of door 8
The enlarged drawing in region.
The especially hollow glass door 8 of door 8 comprising sell the inner pane of glass 8a in space 28 towards refrigeration and towards refrigeration
The outer pane of glass 8c in the outside of selling device 10.By glass partition element 8d by outer pane of glass 8c and inner pane of glass 8a
It is spaced apart.As a result, it is heat-insulated for providing that heat-insulated cavity 8b is formed between inner pane of glass 8a and outer pane of glass 8c, it should be every
Hot cavity 8b especially can be filled with the insulated gas such as argon gas or can be vacuum by pump drainage.
Include under the frame side hinge components 7a and door side hinge components 7b being pivotably connected by connecting element 7c
Department's hinge 7 is pivotally supported door 8 at the low portion 6b of door braced frame.
Arresting lever 12 extends vertically at the position inside door 8 from the low portion 6b of braced frame.It is sold in refrigeration
The warm air channel 17 extended between the outer front side and refrigeration sale space 28 of utensil 10 includes：First part 17a, in door 8
Lower edge lower section and extend in the top edge upper horizontal of the low portion 6b of braced frame；Second part 17b, including
Extend between portion glass plate 8a and arresting lever 12；And Part III 17c, by by least one warm sky across arresting lever 12
Gas access portal 14 provides.
The height H of the first part 17a in warm air channel 17 can be between 5mm and 10mm, especially in 6mm and 8mm
Between.The width D of the second part 17b in warm air channel 17 can between 2mm and 10mm, especially 4mm and 8mm it
Between.
At least one warm air access portal 14 generally includes multiple warm air access portals 14, and the multiple warm air is logical
Road opening 14 can in combination in the horizontal direction on the entire width of glass door 8 extend and with 3mm to 12mm's
Extend in the vertical area of the arresting lever 12 of the height h of height h, especially 8mm to 10mm.
Alternatively, at least one warm air access portal 14 can extend only before at least weak spot of Yishanmen 8,
Such as before such as door hinge chain member 7 of the block structure element with high-termal conductivity.In this configuration, stream of warm air is only
It is inhaled at the position for needing additional heat in refrigeration sale space 28, the surface temperature of glass door 8 is maintained at dew
Or more.
The sealing element 9 that can be especially arranged in the form of seal lip is disposed in arresting lever 12 and inner pane of glass 8a
Between, to avoid cold air from passing through warm sky especially from the cold air of the cold air stream C flowed along inner pane of glass 8a
It is left from refrigerated storage space 28 in gas channel 17.
In the cold air stream guide section 32 of the lower area of close door 8 in refrigeration sale space 28, along door 8
The cold air vertically flowed of cold air stream C of inner pane of glass 8a flowing pass through sealing element 9 and arresting lever 12 deflects.
The deflection causes the width that can be used for the space of cold air stream C to reduce.Nozzle is played the role of in the reduction, and therefore causes cold
The speed of air stream increases.The increase of the air velocity is caused positioned at the side towards refrigeration sale space 28 of arresting lever 12
On area of low pressure 36 in static pressure reduce.The reduction of the static pressure causes between the area of low pressure 36 and warm air channel 17
Pressure difference.Due to the pressure difference, warm air W is by least one warm air access portal 14 from warm air channel 17
It is inhaled into refrigeration sale space 28.
Due to the surrounding air stream W of this relative warmth, include the glass of door side hinge components 7b and glass partition element 8d
The temperature of the low portion of glass door 8, and the temperature of the low portion 8e of especially outer glass 8c increases.This makes the region
Temperature is easier the dew-point temperature for maintaining surrounding air A or more, thus greatly reduces condensation unexpected in the region
Risk.
As previously described with reference to figure 1, enter refrigeration via warm air channel 17 and at least one warm air access portal 14
The surrounding air stream W and the cold air from the cold air stream C vertically flowed for selling the relative warmth in space 28 pass through setting
Return air opening 34 at the bottom in refrigeration sale space 28 is transported in return air duct 26 and is transported to together
Evaporator 2 (is not shown) in Fig. 2, and the air-flow is cooled at evaporator and is then delivered back into refrigeration sale space 28.
Fig. 3 shows that the low portion 6b of a braced frame prolongs below the lower edge of glass door 8 (referring to Fig. 1 and Fig. 2)
Perspective illustration when stretching.
The low portion 6b of door braced frame includes being provided with for housing frame side hinge components (7a) (referring to figure
2) horizontal component 15 of hinge openings 16.The vertical component for being provided with multiple warm air access portal 14a, 14b, 14c is constituted
Arresting lever 12.
For exemplary illustration, three kinds of different types of warm air access portal 14a, 14b, 14c are shown in FIG. 3.
In general, using warm air access portal 14a, 14b, 14c of single type in specific embodiments.
First group of opening includes the round warm air access portal 14a of two horizontal lines, self arrangement of this two row.At
To warm air access portal 14a can upper vertical each other arrange or warm air access portal 14a can be in level side
It offsets relative to each other upwards.It is of course also possible to which the round warm air access portal 14a of a line or two rows or more is only arranged.
Second group of opening includes four rectangle warm air access portal 14b being juxtaposed to each other.Certainly, rectangle warm air
Access portal 14b can also be arranged to the multirow arranged in upper vertical each other.
Third group warm air access portal 14c includes two row longitudinal direction warm air access portal 14c of self arrangement.Such as
Shown in Fig. 3, pairs of longitudinal warm air access portal 14c can arranged vertically over each other, or longitudinal warm air is logical
Road opening 14c can be offset relative to each other in the horizontal direction.Certainly, the longitudinal direction that a line or two rows or more also can only be arranged is warm
Air passages openings 14c.
The person skilled in the art will easily understand other shapes of warm other than can also using than example shown in Fig. 3
Air passages openings 14.
Warm air access portal 14, the usual combination settings of 14a, 14b, 14c are in the region of the height h with 3mm to 12mm
Upper (referring to Fig. 2), and constitute the vertical area between the lower edge and sealing element 9 positioned at warm air channel 17 of arresting lever 12
25% to 55%, especially 30% to 50% and especially 35% to 45% open area in domain.
Condensation at low portion 8e of the verified this configuration for avoiding outer pane of glass 8c is highly effective.
Fig. 4 depicts the schematic sectional view of alternate embodiment.As shown in Figure 1 to Figure 3, with the spy of the first embodiment
It levies corresponding feature to be marked with identical reference mark, and will not be described in great detail herein.
With the first embodiment on the contrary, being not provided with warm air access portal 14 in arresting lever 12, and in arresting lever
Sealing element 9 is not provided between 12 and the inner pane of glass 8a of glass door 8.
In exemplary implementation scheme shown in Fig. 4, deflecting element 20 is at the height of the upper end of a little higher than arresting lever 12
It is attached to the inner pane of glass 8a of glass door 8.In this embodiment, warm air channel 18 includes：First part 18a, sets
Between the upside for setting the low portion 6b in the downside of at least Yishanmen 8 in its closed position and door braced frame；Phase
Adjacent second part 18b, extends generally vertically between inner pane of glass 8a and arresting lever 12；And substantial horizontal extends
Part III 18c, be formed between the top edge of arresting lever 12 and lower part the first plane surface 20a of deflecting element 20.
The height H of the first part 18a in warm air channel 181It can be between 5mm and 10mm, especially in 6mm and 8mm
Between.
The height H of the Part III 18c in warm air channel 182It can be between 2.5mm and 5.5mm, especially in 3.5mm
Between 4.5mm.
The width D of the vertical component 18b in warm air channel 18 can be between 2mm and 10mm, especially in 4mm and 8mm
Between.
The deflecting element 20 especially extended on the entire width of at least Yishanmen 8 is disposed an outwardly facing the upper of arresting lever 12
Thus lower part the first plane 20a at end limits the Part III 18c in warm air channel 18, be attached to the of inner pane of glass 8a
The two plane 20b and third surface 20c that space 28 is sold towards refrigeration.The third surface 20c can be clinoplain table
Face.Alternatively, as Fig. 4 is exemplary shown, the third surface 20c can be curved surfaces.
In the cold air stream guide section 32 close to the low portion of door 8, deflecting element 20 makes substantially perpendicularly to flow
Dynamic cold air stream C (it is arranged essentially parallel to the surface flow of inner pane of glass 8a) deflections.The deflection prevents from coming from cold air
The cold air for flowing C flows out refrigeration sale space 28 via warm air channel 18.
On the contrary, similar to the deflection caused by sealing element 9 in the first embodiment previously described in reference diagram 2, by
The deflection of cold air stream C caused by deflecting element 20 causes static pressure in the low-pressure area positioned at the bottom margin close to deflecting element 20
It is reduced in domain 36.
Due to this pressure difference, relatively warm surrounding air stream W is by warm air channel 18 from refrigeration selling device 10
Outside is drawn into refrigeration sale space 28.
As in the first embodiment, relatively warm surrounding air stream W is flowed along the low portion of glass door 8, to
The part is set to warm.As a result, the temperature of the low portion 8e of outer pane of glass 8c increases so that the temperature in the region is easier
Dew-point temperature or more is maintained, and greatly reduces the risk for condensing generation in this region.
Similar to situation shown in FIG. 1, the warm air being drawn into refrigeration sale space 28 converges with cold air stream C
Close, and by return air opening 34 be inhaled into be arranged refrigeration sale space 28 below return air duct 26 in and by
It is transported to evaporator 2 (Fig. 4 is not shown), the air-flow is before it is delivered back into refrigeration sale space 28 in the evaporator
Freezed at 2.
Many optional features are set forth below.These features can in specific embodiments individually or with any other feature
It combines to realize.
In embodiments, refrigeration selling device includes with the width reduced to increase the cold air stream of cold air flow velocity
Guide section.This will generate and warm air sucked to the sucking effect refrigerated in sale space by least one warm air channel.
Cold air stream guide section is particular on before the bottom in refrigeration sale space and at least behind the lowest part part of Yishanmen
Between the rear side of side and/or lower gate frame part, it is at least Yishanmen for the height substantially in warm air channel
Sucking effect is generated at the portion of lower part.
In embodiments, cold air stream guide section is refluxed at least one reflux sky of air pipeline at its lower end
Gas opening limitation, the return air duct are configured for for air being transported to the evaporation of refrigerating circuit from refrigeration sale space
Device.At least one return air opening can be refluxed air grid covering, to prevent article and other objects from falling into reflux
In air pipeline.
In embodiments, warm air channel extends in a substantially horizontal direction.The warm air extended substantially horizontally
Channel is easily achieved, and allows the air refrigerated on the outside of selling device being effectively communicated in refrigeration sale space.
In embodiments, refrigeration selling device is configured to supply cold air stream, that is, " cold air curtain " is refrigerating
Sell space before in a downward direction along in its closed position when at least Yishanmen inner surface generally vertically
Flowing is provided additional heat-insulated and is stored for being protected when at least Yishanmen is opened with the front in refrigeration sale space
Article in space is sold in refrigeration is influenced from surrounding air.
In embodiments, refrigeration selling device includes deflecting element, and the deflecting element is at least one warm air channel
Top is fixed to the inner surface of at least Yishanmen, to deflect cold air stream.Deflecting element is provided to be drawn for generating cold air stream
The simple and effective means for leading section suck effect to increase cold air flow velocity and to cause in the inner end in warm air channel.
In embodiments, warm air channel by the downside of at least Yishanmen that is set in its closed position under
Substantially horizontal first part between the upside of department's frame part is formed.Warm air channel further includes substantially vertical
Second part, the second part is before the arresting lever at the rear side and lower gate frame part of the lowermost part of at least Yishanmen
Extend between side section.Warm air channel further includes substantially horizontal third channel part, is formed under deflecting element
Between side and the upside of arresting lever.This channel configuration, which provides, is effectively transported to warm air in refrigeration sale space
And the warm air channel for preventing cold air from undesirably being flowed out from refrigeration sale space simultaneously.
In embodiments, at least one elastic buffer is provided between arresting lever and door, for being closed in door
When impact of the buffered gate to arresting lever, and for maintaining the restriction gap between door and arresting lever to realize vertical warm air
Channel.
In embodiments, refrigeration selling device includes sealing element, especially seal lip, and sealing element setting exists
Door is extended at arresting lever at lower gate frame part and along substantially horizontal direction.Sealing element is especially configured to
For the inside of the adjacent at least lowermost part of Yishanmen, at lower gate frame part arresting lever and at least Yishanmen it
Between provide air sealing, so as to prevent cold air outflow refrigeration sale space.
In embodiments, the sealing element at lower gate frame part and arresting lever are configured for deflection cold air
Stream.This allow in the case where not needing additional deflecting element generate cold air stream guide section to increase cold air flow velocity,
And cause to suck effect at the inner end in warm air channel.Therefore, sealing element and arresting lever provide permission while realizing inclined
Turn cold air stream and prevents cold air from leaving the resulting structure that the effect in space is sold in refrigeration.
In embodiments, at least one warm air channel is by first passage part, second channel part and third portion
Divide and formed, the first passage part is formed in downside and the lower gate frame section of at least Yishanmen in its closed position
Between the upside divided, the second part extends between the virtual plane and arresting lever limited by the inner pane of glass of door, institute
Part III is stated especially to be provided by being formed at least one of arresting lever warm air access portal.This arrangement provides for logical
It crosses and warm air is transported to refrigeration sale space extremely effectively and prevents cold air from being sold from refrigeration to heat the low portion of door
The warm air channel that space is undesirably flowed out.
In embodiments, multiple openings are provided in arresting lever, to allow warm air in refrigeration sale space
It is flowed on entire width in refrigeration sale space.By selecting the quantity and size of opening, the warm sky in refrigeration sale space is flowed into
Tolerance can be adjusted according to actual needs.
In embodiments, opening is distributed on at least entire width of Yishanmen and/or deflecting element and/or sealing
Element extends on the entire width of at least Yishanmen.In this configuration, warm air is flowed on the entire width of door/is inhaled
Enter to refrigeration and sells in space.
In embodiments, opening is only partly arranged before the weak spot of at least Yishanmen, such as with height
Before the block structure element of thermal conductivity such as door hinge chain member.In this configuration, warm air is only needing additional heat
It flows/is inhaled at position in refrigeration sale space so that the surface temperature of door is maintained at dew point or more.
In embodiments, opening is distributed in the height with 3mm to 12mm, the height especially between 8mm and 10mm
It spends on the region of h.Have been found that this configuration for highly effective in the warm air sucking refrigeration sale space by desired amount.
In embodiments, opening includes circular open, rectangular aperture, square openings, longitudinal opening, elliptical openings
At least one of or any combination thereof.By selecting the shape and size of opening, the warm air in refrigeration sale space is flowed into
Amount can be adjusted according to actual needs.The shape and size of opening can be required according to manufacture to select, that is, opening is excellent
Choosing can have the shape for being easy production i.e. by drilling.
In embodiments, opening combinations provide 25% to 55%, especially the 30% of the perforated vertical surface of arresting lever
To 50% and more particularly 35% to 45% open area, the perforated vertical surface of the arresting lever is located under sealing element
Side and the height with 3mm to 12mm, the height h of especially 8mm to 10mm.Have been found that this configuration for by desired amount
It is highly effective in warm air sucking refrigeration sale space.
In embodiments, the first part in warm air channel has the height of 5mm to 10mm, and especially 6mm is to 8mm's
Highly.In embodiments, the Part III in warm air channel has the height of 2.5mm to 5.5mm, and especially 3.0mm is extremely
The height of 5.0mm.
In embodiments, refrigeration selling device further includes that at least one return air in refrigeration sale space is opened
Mouthful, at least one return air opening is disposed at the bottom in refrigeration sale space close at least one warm air channel
And it is configured for receiving the warm air sucked by least one warm air channel and the cold sky from refrigeration sales region
Gas.This allows to be effectively removed the warm air sucked from refrigeration sale space by least one warm air channel.
In embodiments, at least one return air opening is fluidly connected to the reflux sky for accommodating at least one fan
Feed channel, at least one fan are configured for the air delivery that will have been received by least one return air opening
To the evaporator of refrigerating circuit, so as to the warm sky being drawn by least one warm air channel in refrigeration sale space
The mixture of gas and cold reflux air cools down.Caused by the warm air by having been sucked on the outside of refrigeration selling device
Undesirable temperature increases in refrigeration sale space.
Air pipeline and/or evaporator are especially arranged in the lower section in refrigeration sale space.
Although describing the present invention by reference to exemplary implementation scheme, it will be appreciated by those skilled in the art that
Without departing from the scope of the invention, various changes can be carried out and available equivalents replaces its element.In addition, not taking off
In the case of essential scope from the present invention, many change so that specific situation or material adapt to religion of the invention can be carried out
It leads.It is therefore intended that the present invention is not limited to disclosed particular embodiment, but the present invention includes falling into the model of claims
Enclose interior all embodiments.
Component symbol
1 appliance body
2 evaporators
3 fans
4 return air grids
5 exhaust outlets
The upper part of 6a braced frames
The low portion of 6b braced frames
7 door hinges
7a frames side hinge components
7b side hinge components
7c connects hinge elements
8
8a inner pane of glass
The heat-insulated cavitys of 8b
8c outer pane of glass
8d glass partition elements
The low portion of 8e outer pane of glass
9 sealing elements
10 refrigeration selling devices
11 enter region
12 arresting levers
13 elastic buffers
14 warm air access portals
14a circle warm airs channel
14b square warm airs channel
The longitudinal directions 14c warm air channel
The horizontal component of the low portion of 15 braced frames
16 hinge openings
17 warm air channels (the first embodiment)
First part's (the first embodiment) in 17a warm airs channel
The second part (the first embodiment) in 17b warm airs channel
The Part III (the first embodiment) in 17c warm airs channel
18 warm air channels (the second embodiment)
First part's (the second embodiment) in 18a warm airs channel
The second part (the second embodiment) in 18b warm airs channel
The Part III (the second embodiment) in 18c warm airs channel
20 deflecting elements
First plane surface of 20a deflecting elements
Second plane surface of 20b deflecting elements
The third surface of 20c deflecting elements
22 shelf
24 vertical cold-air ducts
25 horizontal cold-air ducts
26 return air ducts
28 refrigeration sale spaces
The back side in 29 refrigeration sale spaces
30 cold airs are open
32 cold air stream guide sections
34 return airs are open
36 areas of low pressure
A surrounding airs
C cold air streams
The width of the vertical component in D warm airs channel
H、H1、H2The height of the horizontal component in warm air channel
H has the height of the vertical area of the arresting lever of opening
W surrounding air streams
Claims (22)
1. refrigerating selling device (10) comprising：
Appliance body (1) provides a store for refrigeration sale space (28) of product wherein to be presented；
It is at least one to enter region (11), it provides and enters the approach that space (28) are sold in the refrigeration；With
At least Yishanmen (8), be arranged on it is described it is at least one enter region (11) at and can close it is described at least one
Enter refrigeration sale space via described at least one enter region (11) with permission into the closed position of region (11)
(28) it is moved between at least one open position；
Return air is open (34), is arranged at the bottom of refrigeration sale space (28) close at least Yishanmen
(8) for receiving cold air stream (C), the cold air stream (C) is at least descended in front refrigeration sale space (28)
It generally vertically flows in a downward direction；
It further include at least one warm air channel (17；18), from the refrigeration saling machine below at least Yishanmen (8)
It is extended in the refrigeration selling device (10) on front side of tool (10),
The warm air channel (17；18) being configured in makes warm air from the area before the refrigeration selling device (10)
Domain is flow in the refrigeration selling device (10), to by the temperature holding at at least low portion of Yishanmen (8)
More than dew-point temperature；
The wherein described refrigeration selling device (10) is configured such that the stream of warm air (W) passes through the cold air stream (C) quilt
It is aspirated through at least one warm air channel (17；18) and with the cold air stream (C) converge.
2. refrigeration selling device (10) according to claim 1 comprising have the width reduced to increase the cold sky
The cold air stream guide section (32) of the speed of air-flow (C), the cold air stream guide section (32) is particular on the refrigeration
Sell the rear side and/or door support frame of the lowermost part before the bottom part of space (28) at least Yishanmen (8)
Between the rear side of the low portion (6b) of frame.
3. refrigeration selling device (10) according to claim 1 or 2, wherein the refrigeration selling device (10) is configured as
There is provided cold air stream (C), the cold air stream (C) the refrigeration sale space (28) front in a downward direction along in
It generally vertically flows the inside of at least Yishanmen (8) when its closed position.
4. the refrigeration selling device (10) according to any one of preceding claims, wherein the warm air channel (17；
18) at least part (17a；18a) extend in generally horizontal directions.
5. the refrigeration selling device (10) according to any one of preceding claims further includes deflecting element (20), institute
It states deflecting element and is fixed on the inner surface of at least Yishanmen (8) above at least one warm air channel (18) with inclined
Turn the cold air stream (C).
6. refrigeration selling device (10) according to claim 5, wherein the deflecting element (20) is at least one fan
Extend on the entire width of door (8).
7. refrigeration selling device (10) according to claim 5 or 6, wherein the warm air channel (18) includes：Substantially
The first part (18a) of upper level, the downside and door for being located in at least Yishanmen (8) in its closed position support
Between the upside of the low portion (6b) of frame；Second part (18b) is located at the lower part of at least Yishanmen (8)
Between partial rear side and the front part for the arresting lever (12) being arranged at the low portion (6b) of door braced frame；And it is big
Horizontal Part III (18c) is caused, between the downside of the deflecting element (20) and the top edge of the arresting lever (12)
Extend.
8. refrigeration selling device (10) according to claim 7, wherein described first of the warm air channel (18)
Divide (18a) height (H with 5mm to 10mm1), the height (H) of especially 6mm to 8mm and/or the warm air channel
(18) Part III (18c) has the height (H of 2.5mm to 5.5mm2), the height (H of especially 3.0mm to 5.0mm2)。
9. refrigeration selling device (10) according to any one of claim 1 to 4 further includes sealing element (9), especially
It is seal lip, the sealing element is arranged at the arresting lever (12) at the low portion (6b) for being set to a braced frame
And extend forward in a substantially horizontal direction, wherein the sealing element (9) is configured for described in adjoining at least
The rear side of the low portion of the inner pane of glass (8a) of Yishanmen (8), in the arresting lever (12) and described at least one
Sealing is provided between fan door (8).
10. refrigeration selling device (10) according to claim 9, wherein the sealing element (9) and/or the arresting lever
(12) it is configurable for deflecting the cold air stream (C).
11. refrigeration selling device (10) according to claim 9 or 10, wherein the sealing element (9) it is described at least
Extend on the entire width of Yishanmen (8).
12. the refrigeration selling device (10) according to any one of claim 9 to 11, wherein at least one warm air
Channel (17) includes：First part (17a), be arranged in its closed position described at least under Yishanmen (8)
Between the upside of the low portion (6b) of side and the door braced frame；Adjacent second part (17b), in the arresting lever
(12) and by the inner pane of glass (8a) extend between the virtual plane limited；And Part III (17c), by being formed in
At least one of the arresting lever (12) warm air access portal (14) provides.
13. refrigeration selling device (10) according to claim 12, plurality of warm air access portal (14a, 14b,
It 14c) is arranged in the arresting lever (12).
14. refrigeration selling device (10) according to claim 13, wherein the warm air access portal (14,14a,
14b, 14c) be distributed on the entire width of the door (8) and/or wherein the warm air access portal (14,14a, 14b,
It 14c) is distributed on the region of height h of the height to 12mm, especially 8mm to 10mm with 3mm.
15. the refrigeration selling device (10) according to claim 13 or 14, wherein the warm air access portal (14,
14a, 14b, 14c) it is opened including round warm air access portal (14a), rectangle warm air access portal, square warm air channel
At least one of mouth (14b), longitudinal warm air access portal (14c), oval warm air access portal or any combination thereof.
16. the refrigeration selling device (10) according to any one of claim 13 to 15, wherein the warm air channel is opened
Mouthful (14,14a, 14b, 14c) combination provides the perforated vertical table of the arresting lever (12) being located at below the sealing element (9)
25% to 55%, especially the 30% to 50% of face, and more particularly 35% to 45% open area.
17. the refrigeration selling device (10) according to any one of claim 12 to 16, wherein the warm air channel
(17) the first part (17a) has the height (H) of 5mm to 10mm, the height (H) of especially 6mm to 8mm.
18. refrigeration selling device (10) according to any one of the preceding claims comprising sold in the refrigeration empty
Between at least one return air opening (34) in (28), at least one return air opening (34) is arranged to close to institute
State at least one warm air channel (17；18) and be configurable for from the refrigeration sale space (28) receive with it is described
Cold air stream (C) is converged later by least one warm air channel (17；18) warm air sucked.
19. refrigeration selling device (10) according to claim 18, wherein at least one return air opening (34)
It is fluidly connected to the return air duct (26) including at least one fan (3), at least one fan (3) is configured as
For conveying air, the air, which is received by least one return air opening (34), is used as the one of refrigerating circuit
Partial evaporator (2).
20. a kind of method reducing the risk condensed on the surface of the door (8) of refrigeration selling device (10), the refrigeration sale
Utensil (10) includes：
Appliance body (1) provides a store for refrigeration sale space (28) of product wherein to be presented；
It is at least one to enter region (11), it provides and enters the approach that space (28) are sold in the refrigeration：And
At least Yishanmen (8), setting it is described it is at least one enter region (11) at and can close it is described at least one
Enter refrigeration sale space via described at least one enter region (11) with permission into the closed position of region (11)
(28) it is moved between at least one open position；And
At least one warm air channel (17；18), from the refrigeration selling device (10) below at least Yishanmen (8)
Front side extend in the refrigeration selling device (10)；
Wherein it the described method comprises the following steps：
Cold air stream (C) is provided, in the low portion close at least Yishanmen (8) of refrigeration sale space (28)
Inside at least descend in front generally perpendicularly to flow into a downward direction and be arranged on refrigeration sale space (28)
In return air opening (34) at bottom；
When the door (8) is in its closed position, pass through the warm air channel (17；18) warm air is made to be sold from the refrigeration
It sells the region before utensil (10) to flow in the refrigeration selling device (10), at least Yishanmen (8) described in improving
Low portion at temperature and the temperature is therefore maintained at dew-point temperature or more；
The stream of warm air (W) is aspirated through at least one warm air channel (17 by the cold air stream (C)；18)
And it is made to converge with the cold air stream (C).
21. according to the method for claim 20, further comprising the steps of：It has been warmed up with described in the cold air stream (C)
The cold air stream (C) is drawn into evaporator (2) after converging by return air duct (26) by air stream (W), described
Return air duct (26) and/or the evaporator (2) be preferably arranged to it is described refrigeration sale space (28) lower section or
Rear.
22. the method according to claim 20 or 21, wherein the step of providing cold air stream (C) includes making the cold air
Flow (C) when refrigeration sale space (28) front is in a downward direction and along in its closed position described at least
It generally vertically flows the inside of Yishanmen (8).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2015/081009 WO2017108101A1 (en) | 2015-12-22 | 2015-12-22 | Refrigerated sales furniture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108430277A true CN108430277A (en) | 2018-08-21 |
| CN108430277B CN108430277B (en) | 2021-04-02 |
Family
ID=55024145
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580085491.7A Active CN108430277B (en) | 2015-12-22 | 2015-12-22 | Refrigerated merchandiser |
| CN201680075534.8A Active CN108463143B (en) | 2015-12-22 | 2016-11-16 | Refrigerated merchandiser |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680075534.8A Active CN108463143B (en) | 2015-12-22 | 2016-11-16 | Refrigerated merchandiser |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP3393306B1 (en) |
| CN (2) | CN108430277B (en) |
| WO (2) | WO2017108101A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2584613B (en) * | 2019-05-16 | 2023-02-22 | Aerofoil Energy Ltd | Process for optimising the position of refrigerator air guides in order to achieve increased energy efficiency of the refrigerator |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3393306A1 (en) | 2018-10-31 |
| WO2017108281A1 (en) | 2017-06-29 |
| CN108463143A (en) | 2018-08-28 |
| CN108463143B (en) | 2020-10-16 |
| EP3393307A1 (en) | 2018-10-31 |
| EP3393307B1 (en) | 2020-01-01 |
| EP3393306B1 (en) | 2020-09-16 |
| WO2017108101A1 (en) | 2017-06-29 |
| CN108430277B (en) | 2021-04-02 |
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