CN104729191B - A kind of wind cooling refrigerator - Google Patents

A kind of wind cooling refrigerator Download PDF

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Publication number
CN104729191B
CN104729191B CN201510131184.XA CN201510131184A CN104729191B CN 104729191 B CN104729191 B CN 104729191B CN 201510131184 A CN201510131184 A CN 201510131184A CN 104729191 B CN104729191 B CN 104729191B
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CN
China
Prior art keywords
air channel
interior plate
air
inner bag
wind cooling
Prior art date
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CN201510131184.XA
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Chinese (zh)
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CN104729191A (en
Inventor
李涛
刘恒友
鲍雨锋
万旭杰
王书科
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Hisense Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
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Priority to CN201510131184.XA priority Critical patent/CN104729191B/en
Publication of CN104729191A publication Critical patent/CN104729191A/en
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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
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • 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
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts

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  • 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 invention discloses a kind of wind cooling refrigerator, it is related to refrigerator art, is to solve in the prior art because the condensed water that is produced at bottom plate of refrigeration air channel is difficult export, it is easy after icing to invent the problem of fresh air inlet is blocked.Wind cooling refrigerator of the present invention, including refrigerating box inner bag, the refrigerating box inner bag includes inner bag rear wall and interior plate, the refrigerating box inner bag is provided with ducting assembly close to the position of inner bag rear wall, the ducting assembly includes air-duct clapboard, refrigerating box is divided into refrigerating chamber and refrigeration air channel area by the air-duct clapboard, interior plate positioned at refrigeration air channel area is air channel interior plate, it is refrigerating chamber interior plate positioned at the interior plate of the refrigerating chamber, the air channel interior plate offers fresh air inlet, the air channel interior plate is obliquely installed, and the air channel interior plate is higher than air channel interior plate close to the side of refrigerating chamber interior plate close to the side of the inner bag rear wall.A kind of wind cooling refrigerator of the present invention is used to refrigerate and frozen food.

Description

A kind of wind cooling refrigerator
Technical field
The present invention relates to refrigerator art, more particularly to a kind of wind cooling refrigerator.
Background technology
As the improvement of people's living standards, user is to the use requirement of refrigerator also more and more higher, and in the market Refrigerator can produce substantial amounts of frost in use, it is necessary to user carries out artificial removal, has had a strong impact on the normal of user and has used, Therefore, wind cooling refrigerator arises at the historic moment.
Fig. 1 is the structural representation of wind cooling refrigerator in the prior art, including refrigerates air channel 01 and refrigerating box inner bag 02, refrigeration Air channel 01 includes horizontally disposed bottom plate 011 and the side wall 012 being vertically arranged, and bottom plate 011 offers fresh air inlet 0111, side wall 012 inner surface setting has foam 03, and sealing plate 04 is pasted with the foam 03 for refrigerating the back of air channel 01.
Export is difficult after at condensation flow to the bottom plate 011 produced in the prior art in refrigeration air channel 01, at bottom plate 011 Freeze, easily block fresh air inlet 0111 after icing, influence cold flowing.
The content of the invention
Embodiments of the invention provide a kind of wind cooling refrigerator, it is possible to resolve in the prior art because refrigeration air channel is produced at bottom plate Condensed water be difficult export, after icing easily the problem of fresh air inlet is blocked.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that:
A kind of wind cooling refrigerator, including refrigerating box inner bag, the refrigerating box inner bag include inner bag rear wall and interior plate, described Refrigerating box inner bag close to the position of inner bag rear wall be provided with ducting assembly, the ducting assembly include air-duct clapboard, the air channel every Refrigerating box is divided into refrigerating chamber and refrigeration air channel area by plate, and the interior plate positioned at refrigeration air channel area is air channel interior plate, Interior plate positioned at the refrigerating chamber is refrigerating chamber interior plate, and the air channel interior plate offers fresh air inlet, the wind Road interior plate is obliquely installed, and the air channel interior plate is leaned on close to the side of the inner bag rear wall higher than air channel interior plate The side of nearly refrigerating chamber interior plate.
Wind cooling refrigerator provided in an embodiment of the present invention, because air channel interior plate is obliquely installed, and air channel interior plate is leaned on The side of nearly inner bag rear wall is higher than air channel interior plate close to the side of refrigerating chamber interior plate so that refrigeration air channel area is produced Condensed water is reached after the interior plate of air channel, and the refrigerating chamber interior plate of refrigerator is flow to along the inclined-plane of air channel interior plate, so that side Condensed water export, flowing to the condensed water of refrigerating chamber interior plate can be taken away by the circulated air of wind cooling refrigerator.Thus, prevent It is trapped in after condensation water freezing at the interior plate of air channel blocks fresh air inlet, influences the flowing of cold.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of wind cooling refrigerator in the prior art;
Fig. 2 is the structural representation of wind cooling refrigerator in the embodiment of the present invention;
Fig. 3 is Fig. 2 A portions enlarged drawing.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ", The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Wind cooling refrigerator is the refrigerator freezed using cold air forced circulation, and it is forced in case using a small-sized fanses Cross-ventilation, to reach the purpose of cooling.
Reference picture 2, wind cooling refrigerator includes outer case 7 and inner bag, and foam heat-insulating material is filled between outer case 7 and inner bag Material, inner bag includes freezing box inner container 8 and refrigerating box inner bag 1, and freezing box inner container 8 includes refrigerating chamber 81 and positioned at the back of refrigerating chamber 81 Evaporator storehouse 82, evaporator storehouse 82 connects with refrigerating chamber 81 by freezing air channel, and refrigerating box inner bag 1 includes refrigerating chamber 13 and position Refrigeration air channel area 14 in the back of refrigerating chamber 13, refrigeration air channel area 14 is connected with refrigerating chamber 13, refrigeration air channel area 14 and freezing wind Connected between road by blast pipe 4, evaporator and fan are provided with evaporator storehouse 82, fan can lead to the cold that evaporator is produced Cross freezing air channel and be delivered to refrigerating chamber 81, while being delivered to refrigeration air channel area 14 by blast pipe 4, and then be delivered to refrigerating chamber 13, realize the refrigeration to each compartment of refrigerator.
The operation principle of wind cooling refrigerator is as follows:During refrigerator work, compressor start, by gaseous refrigerant compression into high temperature The steam of high pressure, the steam of HTHP enters condenser through blast pipe, is distributed heat to by condenser in outside air, The steam of HTHP is condensed into the liquid of cryogenic high pressure, then enters capillary by filter, and enters after being trapped decompression Vaporized in evaporator, now, the refrigerant liquid of low-temp low-pressure absorbs external heat and is vaporizated into dry saturated steam, makes warm in refrigerator Degree reduction, refrigerant is changed into low area overheat steam and sucked back by compressor, into circulation next time.The refrigerator of low-temp low-pressure is steaming The heat that air in refrigerator is absorbed in device is sent out, making the temperature of air in refrigerator reduces, while by fan forced convection, making refrigerator The flowing velocity of interior air is accelerated, and cold is delivered into refrigerating chamber and the refrigeration of refrigerator respectively by freezing air channel and refrigeration air channel Room.
Embodiment 1, Fig. 2, Fig. 3 are the wind in a specific embodiment of wind cooling refrigerator of the embodiment of the present invention, the present embodiment Cold refrigerator, including refrigerating box inner bag 1, refrigerating box inner bag 1 include inner bag rear wall 11 and interior plate 12, and refrigerating box inner bag 1 is close The position of inner bag rear wall 11 is provided with ducting assembly, and ducting assembly includes air-duct clapboard 21, and refrigerating box is divided into cold by air-duct clapboard 21 Room 13 and refrigeration air channel area 14 are hidden, the interior plate 12 positioned at refrigeration air channel area 14 is air channel interior plate 12a, positioned at refrigerating chamber 13 interior plate 12 is refrigerating chamber interior plate 12b, and air channel interior plate 12a offers fresh air inlet 3, air channel interior plate 12a is obliquely installed, and air channel interior plate 12a is higher than air channel interior plate 12a close to refrigeration close to the side of inner bag rear wall 11 Room interior plate 12b side.
Wind cooling refrigerator provided in an embodiment of the present invention, because air channel interior plate 12a is obliquely installed, and air channel interior plate 12a is close to the side of inner bag rear wall 11 higher than air channel interior plate 12a close to refrigerating chamber interior plate 12b side so that cold Hide after the condensed water arrival air channel interior plate 12a that air channel area 14 is produced, refrigerator is flow to along air channel interior plate 12a inclined-plane Refrigerating chamber interior plate 12b, so as to facilitate the export of condensed water, the condensed water for flowing to refrigerating chamber interior plate 12b can be by wind The circulated air of cold refrigerator is taken away.Thus, it is therefore prevented that be trapped in the condensation water freezing at the interior plate 12a of air channel and block fresh air inlet Afterwards, the flowing of cold is influenceed.Glued in addition, the wind cooling refrigerator of the embodiment of the present invention is also eliminated on the foam at the back of inner bag rear wall 11 The sealing plate of patch, not only solves the problem of sealing plate back freezes, and also simplify the structure of refrigerator, convenient for assembly, saves into This.
The air channel inclined angles of interior plate 12a can influence the export effect of condensed water, to condensed water during angle too small Guide effect is bad, also has the accumulation of partial condensation water, when angle is excessive, the heat-insulation layer installed on the interior plate 12a of air channel Easily slided along inclined-plane, it is therefore preferable that interior plate 12a inclined angles in air channel are 5 °~30 °, thus, not only to condensed water Guide effect it is good, moreover it is possible to prevent heat-insulation layer from being slided along inclined-plane, facilitate the installation of heat-insulation layer.
Air channel interior plate 12a in the present embodiment is a part for the refrigerating box inner bag 1 of wind cooling refrigerator, thus, will be cold The bottom for hiding case inner bag 1 is rationally utilized so that the manufacture craft of refrigerator is simple, easy to assembly, further, since refrigerating box inner bag 1 Outer wall is contacted with expanded material, and the temperature of expanded material is higher, makes condensed water not-easy-to-freeze.
Air channel interior plate 12a is nearer apart from low-temperature receiver, can more accelerate to condense the speed of water freezing, to prevent condensed water quick Freeze, in the present embodiment, optionally, air channel interior plate 12a minimum point is higher by refrigerating chamber interior plate 12b, due to refrigerator Low-temperature receiver is located at the lower section of refrigerating box, therefore, may be such that air channel interior plate 12a is farther apart from low-temperature receiver so that air channel interior plate The temperature of 12a present positions is higher, it is therefore prevented that the condensed water on the interior plate 12a of air channel produces showing for icing before export As.
On the basis of above-described embodiment, in order to which the significantly more efficient condensed water prevented on the interior plate 12a of air channel is produced Freeze, when setting air channel interior plate 12a position, first can find out temperature more than or equal to 0 degree in refrigeration air channel area 14 Region, then by air channel interior plate 12a set in this region.Specifically, determined, be higher by refrigerating chamber according to experiment The temperature for the position that 12b21 millimeters of courage bottom plate is more than or equal to 0 degree, therefore preferably sets air channel interior plate 12a minimum point Put and be higher by the position of 12b21 millimeters of refrigerating chamber interior plate.Meanwhile, air channel interior plate 12a position is also unsuitable too high, It is too high that refrigeration air channel area 14 can be caused to shorten, the refrigeration and refrigerator aesthetics of refrigerating chamber 13 are influenceed, it is therefore preferable that in air channel Courage bottom plate 12a minimum point is higher by 12b21 millimeters of refrigerating chamber interior plate, thus neither influences the refrigeration of refrigerating chamber 13, It can also prevent from condensing water freezing.
Fitted through in reference picture 3, fresh air inlet 3 provided with blast pipe 4, ducting assembly includes heat-insulation layer 22, the bottom of heat-insulation layer 22 Portion forms air duct hole 221, and air duct hole 221 is corresponding with the position of fresh air inlet 3, and the aperture of air duct hole 221 is less than the pipe of blast pipe 4 Footpath, the lower surface of heat-insulation layer 22 opens up fluted 222 around air duct hole 221, blast pipe 4 stretch into groove 222 and with groove 222 Interference fit.One end of air duct hole 221 is connected with blast pipe 4, and the other end is provided with air door 5, and heat-insulation layer 22 is effectively reduced refrigeration Cold oozes out in air channel area 14, reduces the energy loss of refrigerator, to prevent because cold is from the connection of blast pipe 4 and heat-insulation layer 22 Place's leakage, causes the difference of thermal self-restraint stress and minimum point in refrigerating chamber 13 excessive, influences in food fresh-keeping, the embodiment of the present invention Blast pipe 4 is stretched into groove 222 and is interference fitted with groove 222, so as to effectively reduce blast pipe 4 and the junction of heat-insulation layer 22 Cold leakage.Air duct hole 221 of the cold wind that arrow is shown in the flow direction of cold wind, blast pipe 4 in Fig. 3 along heat-insulation layer 22 is flow to At air door 5, air door 5 is connected with motor (not shown), and refrigeration is provided with temperature sensor (not shown) in air channel area 14, When the temperature that temperature sensor is detected in refrigeration air channel area 14 is higher than design temperature, temperature sensor is to control panel (in figure It is not shown) signal is sent, air door 5 is opened by control panel controlled motor, the wind in blast pipe 4 is flowed into by air door 5 cold Hide in air channel area 14, and then flow into refrigerating chamber 13 and freezed;When temperature sensor detects the temperature in refrigeration air channel area 14 During less than design temperature, temperature sensor give control panel send signal, air door 5 is closed by control panel controlled motor, make into Fluid stopping of becalming in airduct 4 enters to refrigerate in air channel area 14, refrigerating chamber 13 is stopped refrigeration.Thus, refrigerator cold-storage can effectively be controlled The temperature of room 13.
Further, because technology difficulty is larger, make air channel interior plate 12a flatness relatively low, in addition manual assembly Precision it is relatively low so that the small part cold revealed from the junction of blast pipe 4 and heat-insulation layer 22 flow to air channel interior plate 12a Gap between heat-insulation layer 22, and freeze here, therefore, in embodiments of the present invention, the lower surface and wind of heat-insulation layer 22 Sealed between road interior plate 12a by double-layer seal bar (6a, 6b), double-layer seal bar (6a, 6b) is mutually extruded, and is further subtracted The cold leakage of blast pipe 4 and the junction of heat-insulation layer 22 is lacked, and then has avoided between air channel interior plate 12a and heat-insulation layer 22 Gap at freeze.
Experiment is measured, by setting blast pipe 4 and groove 222 to be interference fitted, and double-layer seal bar (6a, 6b) this hair The difference of thermal self-restraint stress and minimum point is 3 degree in wind cooling refrigerator in bright embodiment, its refrigerating box, and is refrigerated in the prior art The difference of the temperature inside the box highs and lows is 5 degree, therefore, and the wind cooling refrigerator in the embodiment of the present invention is more beneficial for food guarantor It is fresh.In addition, the wind cooling refrigerator in the embodiment of the present invention by setting double-layer seal bar (6a, 6b), its air channel interior plate 12a Peripheral temperature is 0 degree~1 degree, and interior plate peripheral temperature in air channel is -4 degree in the prior art, therefore, in the embodiment of the present invention Wind cooling refrigerator cold leakage it is smaller, effect is higher.
Further, ducting assembly includes air channel bottom wall (not shown), and the air channel bottom wall is arranged at heat-insulation layer 22 Bottom, the position of air channel bottom wall correspondence air duct hole 221 offers through hole (not shown), and the aperture of the through hole is big In the caliber of blast pipe 4, thus, blast pipe 4 is sequentially passed through after the through hole on fresh air inlet 3 and the air channel bottom wall, with heat-insulation layer Air channel bottom wall in 22 connections, the present embodiment is integrally played a supporting role to ducting assembly, makes the structural stability of ducting assembly Enhancing.
On the basis of above-described embodiment, double-layer seal bar is passed through between the air channel bottom wall and air channel interior plate 12a (6a, 6b) is sealed, and double-layer seal bar (6a, 6b) is mutually extruded, so as to reduce blast pipe 4 and the air channel bottom wall junction Cold is revealed, and then avoids icing at the gap between air channel interior plate 12a and the air channel bottom wall.
Heat-insulation layer 22 is made up of plastic foam, plastic foam has that light specific gravity, thermal conductivity factor are small, water absorption rate is low, it is ageing-resistant, Low temperature resistant, easy processing, it is of high quality and at a reasonable price the advantages of, the performance of refrigerator is got a promotion.
Sealing strip 6 is made up of sponge, sponge sealing strip not only good sealing effect, also big, resistance to light weight, contracting strength The advantages of burn into is ageing-resistant, low temperature resistant, service life is long, further improves the performance of refrigerator.
Wind cooling refrigerator in embodiment 2, the present embodiment, including refrigerating box inner bag 1, refrigerating box inner bag 1 include inner bag rear wall 11 and interior plate 12, refrigerating box inner bag 1 is provided with ducting assembly close to the position of inner bag rear wall 11, ducting assembly include air channel every Refrigerating box is divided into refrigerating chamber 13 and refrigeration air channel area 14, the interior plate positioned at refrigeration air channel area 14 by plate 21, air-duct clapboard 21 12 be air channel interior plate 12a, is refrigerating chamber interior plate 12b, air channel interior plate positioned at the interior plate 12 of refrigerating chamber 13 12a offers fresh air inlet 3, and air channel interior plate 12a and refrigerating chamber interior plate 12b are horizontally disposed with, and air channel interior plate The position that 12a is set is higher by the position of refrigerating chamber interior plate 12b settings.
Wind cooling refrigerator provided in an embodiment of the present invention, because refrigerator low-temperature receiver is located at the lower section of refrigerating box, and air channel inner bag bottom Plate 12a and refrigerating chamber interior plate 12b are horizontally disposed with, and the position that air channel interior plate 12a is set is higher by refrigerating chamber inner bag The position that bottom plate 12b is set, thus, may be such that air channel interior plate 12a is farther apart from low-temperature receiver, residing for the interior plate 12a of air channel The temperature of position is higher, so as to prevent after the condensation water freezing being trapped at the interior plate 12a of air channel blocks fresh air inlet, shadow Ring the flowing of cold.
Further, reference picture 3, air channel interior plate 12a is obliquely installed, and air channel interior plate 12a is after inner bag The side of wall 11 is higher than air channel interior plate 12a close to refrigerating chamber interior plate 12b side.Thus, it may be such that refrigeration air channel The condensed water that area 14 is produced is reached after the interior plate 12a of air channel, and the refrigerating chamber of refrigerator is flow to along air channel interior plate 12a inclined-plane Interior plate 12b, so as to facilitate the export of condensed water, the condensed water for flowing to refrigerating chamber interior plate 12b can be by wind cooling refrigerator Circulated air take away.
In addition, the wind cooling refrigerator of the embodiment of the present invention also eliminates the sealing pasted on the foam at the back of inner bag rear wall 11 Plate, not only solves the problem of sealing plate back freezes, and also simplify the structure of refrigerator, convenient for assembly, cost-effective.
The air channel inclined angles of interior plate 12a can influence the export effect of condensed water, to condensed water during angle too small Guide effect is bad, also has the accumulation of partial condensation water, when angle is excessive, the heat-insulation layer installed on the interior plate 12a of air channel Easily slided along inclined-plane, it is therefore preferable that interior plate 12a inclined angles in air channel are 5 °~30 °, thus, not only to condensed water Guide effect it is good, moreover it is possible to prevent heat-insulation layer from being slided along inclined-plane, facilitate the installation of heat-insulation layer.
Air channel interior plate 12a in the present embodiment is a part for the refrigerating box inner bag 1 of wind cooling refrigerator, thus, will be cold The bottom for hiding case inner bag 1 is rationally utilized so that the manufacture craft of refrigerator is simple, easy to assembly, further, since refrigerating box inner bag 1 Outer wall is contacted with expanded material, and the temperature of expanded material is higher, makes condensed water not-easy-to-freeze.
On the basis of above-described embodiment, in order to which the significantly more efficient condensed water prevented on the interior plate 12a of air channel is produced Freeze, when setting air channel interior plate 12a position, first can find out temperature more than or equal to 0 degree in refrigeration air channel area 14 Region, then by air channel interior plate 12a set in this region.Specifically, determined, be higher by refrigerating chamber according to experiment The temperature for the position that 12b21 millimeters of courage bottom plate is more than or equal to 0 degree, therefore preferably sets air channel interior plate 12a minimum point Put and be higher by the position of 12b21 millimeters of refrigerating chamber interior plate.Meanwhile, air channel interior plate 12a position is also unsuitable too high, It is too high that refrigeration air channel area 14 can be caused to shorten, the refrigeration and refrigerator aesthetics of refrigerating chamber 13 are influenceed, it is therefore preferable that in air channel Courage bottom plate 12a minimum point is higher by 12b21 millimeters of refrigerating chamber interior plate, thus neither influences the refrigeration of refrigerating chamber 13, It can also prevent from condensing water freezing.
Fitted through in reference picture 3, fresh air inlet 3 provided with blast pipe 4, ducting assembly includes heat-insulation layer 22, the bottom of heat-insulation layer 22 Portion forms air duct hole 221, and air duct hole 221 is corresponding with the position of fresh air inlet 3, and the aperture of air duct hole 221 is less than the pipe of blast pipe 4 Footpath, the lower surface of heat-insulation layer 22 opens up fluted 222 around air duct hole 221, blast pipe 4 stretch into groove 222 and with groove 222 Interference fit.One end of air duct hole 221 is connected with blast pipe 4, and the other end is provided with air door 5, and heat-insulation layer 22 is effectively reduced refrigeration Cold oozes out in air channel area 14, reduces the energy loss of refrigerator, to prevent because cold is from the connection of blast pipe 4 and heat-insulation layer 22 Place's leakage, causes the difference of thermal self-restraint stress and minimum point in refrigerating chamber 13 excessive, influences in food fresh-keeping, the embodiment of the present invention Blast pipe 4 is stretched into groove 222 and is interference fitted with groove 222, so as to effectively reduce blast pipe 4 and the junction of heat-insulation layer 22 Cold leakage.Air duct hole 221 of the cold wind that arrow is shown in the flow direction of cold wind, blast pipe 4 in Fig. 3 along heat-insulation layer 22 is flow to At air door 5, air door 5 is connected with motor (not shown), and refrigeration is provided with temperature sensor (not shown) in air channel area 14, When the temperature that temperature sensor is detected in refrigeration air channel area 14 is higher than design temperature, temperature sensor is to control panel (in figure It is not shown) signal is sent, air door 5 is opened by control panel controlled motor, the wind in blast pipe 4 is flowed into by air door 5 cold Hide in air channel area 14, and then flow into refrigerating chamber 13 and freezed;When temperature sensor detects the temperature in refrigeration air channel area 14 During less than design temperature, temperature sensor give control panel send signal, air door 5 is closed by control panel controlled motor, make into Fluid stopping of becalming in airduct 4 enters to refrigerate in air channel area 14, refrigerating chamber 13 is stopped refrigeration.Thus, refrigerator cold-storage can effectively be controlled The temperature of room 13.
Further, because technology difficulty is larger, make air channel interior plate 12a flatness relatively low, in addition manual assembly Precision it is relatively low so that the small part cold revealed from the junction of blast pipe 4 and heat-insulation layer 22 flow to air channel interior plate 12a Gap between heat-insulation layer 22, and freeze here, therefore, in embodiments of the present invention, the lower surface and wind of heat-insulation layer 22 Sealed between road interior plate 12a by double-layer seal bar (6a, 6b), double-layer seal bar (6a, 6b) is mutually extruded, and is further subtracted The cold leakage of blast pipe 4 and the junction of heat-insulation layer 22 is lacked, and then has avoided between air channel interior plate 12a and heat-insulation layer 22 Gap at freeze.
Experiment is measured, by setting blast pipe 4 and groove 222 to be interference fitted, and double-layer seal bar (6a, 6b) this hair The difference of thermal self-restraint stress and minimum point is 3 degree in wind cooling refrigerator in bright embodiment, its refrigerating box, and is refrigerated in the prior art The difference of the temperature inside the box highs and lows is 5 degree, therefore, and the wind cooling refrigerator in the embodiment of the present invention is more beneficial for food guarantor It is fresh.In addition, the wind cooling refrigerator in the embodiment of the present invention by setting double-layer seal bar (6a, 6b), its air channel interior plate 12a Peripheral temperature is 0 degree~1 degree, and interior plate peripheral temperature in air channel is -4 degree in the prior art, therefore, in the embodiment of the present invention Wind cooling refrigerator cold leakage it is smaller, effect is higher.
Further, ducting assembly includes air channel bottom wall (not shown), and the air channel bottom wall is arranged at heat-insulation layer 22 Bottom, the position of air channel bottom wall correspondence air duct hole 221 offers through hole (not shown), and the aperture of the through hole is big In the caliber of blast pipe 4, thus, blast pipe 4 is sequentially passed through after the through hole on fresh air inlet 3 and the air channel bottom wall, with heat-insulation layer Air channel bottom wall in 22 connections, the present embodiment is integrally played a supporting role to ducting assembly, makes the structural stability of ducting assembly Enhancing.
On the basis of above-described embodiment, double-layer seal bar is passed through between the air channel bottom wall and air channel interior plate 12a (6a, 6b) is sealed, and double-layer seal bar (6a, 6b) is mutually extruded, so as to reduce blast pipe 4 and the air channel bottom wall junction Cold is revealed, and then avoids icing at the gap between air channel interior plate 12a and the air channel bottom wall.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (9)

1. a kind of wind cooling refrigerator, including refrigerating box inner bag, the refrigerating box inner bag include inner bag rear wall and interior plate, described cold Hide case inner bag and be provided with ducting assembly close to the position of inner bag rear wall, the ducting assembly includes air-duct clapboard, the air-duct clapboard Refrigerating box is divided into refrigerating chamber and refrigeration air channel area, the interior plate positioned at refrigeration air channel area is air channel interior plate, position It is refrigerating chamber interior plate in the interior plate of the refrigerating chamber, the air channel interior plate offers fresh air inlet, and its feature exists In the air channel interior plate is obliquely installed, and the air channel interior plate is higher than air channel close to the side of the inner bag rear wall Interior plate is close to the side of refrigerating chamber interior plate.
2. wind cooling refrigerator according to claim 1, it is characterised in that the inclined angle of air channel interior plate is 5 °~ 30°。
3. wind cooling refrigerator according to claim 1, it is characterised in that the minimum point of the air channel interior plate is higher by described Refrigerating chamber interior plate.
4. according to wind cooling refrigerator according to any one of claims 1 to 3, it is characterised in that coordinate in the fresh air inlet and wear Have a blast pipe, the ducting assembly includes heat-insulation layer, air duct hole formed on the bottom of the heat-insulation layer, the air duct hole with it is described enter The position of air holes is corresponding, and the aperture of the air duct hole is less than the caliber of the blast pipe, and the lower surface of the heat-insulation layer is surrounded The air duct hole opens up fluted, and the blast pipe is stretched into the groove and is interference fitted with the groove.
5. wind cooling refrigerator according to claim 4, it is characterised in that the lower surface of the heat-insulation layer and the air channel inner bag Sealed between bottom plate by double-layer seal bar.
6. wind cooling refrigerator according to claim 4, it is characterised in that the ducting assembly includes air channel bottom wall, the wind Road bottom wall is arranged at the bottom of the heat-insulation layer, and the position of the air channel bottom wall correspondence air duct hole offers through hole, described The aperture of through hole is more than the caliber of the blast pipe.
7. wind cooling refrigerator according to claim 6, it is characterised in that the air channel bottom wall and the air channel interior plate it Between sealed by double-layer seal bar.
8. wind cooling refrigerator according to claim 4, it is characterised in that air door is provided with the air duct hole, the air door can The air duct hole is opened or closed.
9. wind cooling refrigerator according to claim 8, it is characterised in that also including airdoor control component, the airdoor control Component includes control panel and the temperature sensor that is arranged in the area of the refrigeration air channel, the control panel respectively with the air door And the temperature sensor connection.
CN201510131184.XA 2015-03-24 2015-03-24 A kind of wind cooling refrigerator Active CN104729191B (en)

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CN106091544A (en) * 2016-06-21 2016-11-09 南京创维家用电器有限公司 A kind of refrigerator air duct and refrigerator thereof
CN108870832B (en) * 2017-05-11 2021-05-04 博西华电器(江苏)有限公司 Refrigerator with a door
CN110953813A (en) * 2019-12-12 2020-04-03 惠而浦(中国)股份有限公司 Cold air leakage preventing structure for refrigerator and mounting method thereof
CN112097445B (en) * 2020-09-15 2021-11-30 海信容声(广东)冰箱有限公司 A kind of refrigerator

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CN1155647A (en) * 1995-10-11 1997-07-30 三洋电机株式会社 Low temperature gondola
KR100389382B1 (en) * 1998-11-28 2003-10-04 주식회사 엘지이아이 Refrigerator
JP3892015B2 (en) * 2005-02-07 2007-03-14 シャープ株式会社 refrigerator
JP4564994B2 (en) * 2007-09-07 2010-10-20 日立アプライアンス株式会社 refrigerator
CN102102935B (en) * 2009-12-22 2014-12-31 博西华家用电器有限公司 Refrigeration appliance and air fan assembly for same
CN202361734U (en) * 2011-10-28 2012-08-01 海信容声(广东)冰箱有限公司 Refrigeration plant with stream guidance path air channel structure
CN103851852B (en) * 2013-07-23 2016-08-10 海信(山东)冰箱有限公司 A kind of refrigerator supply air system, refrigerator and air supply method

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