CN103827607A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
- Publication number
- CN103827607A CN103827607A CN201280046822.2A CN201280046822A CN103827607A CN 103827607 A CN103827607 A CN 103827607A CN 201280046822 A CN201280046822 A CN 201280046822A CN 103827607 A CN103827607 A CN 103827607A
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- China
- Prior art keywords
- refrigerating chamber
- chamber
- plumbing installation
- freezer
- supply duct
- Prior art date
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- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements 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
- F25D17/065—Arrangements 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
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- 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
- F25D2317/00—Details 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
- F25D2317/06—Details 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
- F25D2317/066—Details 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 the air supply
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- 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
- F25D2317/00—Details 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
- F25D2317/06—Details 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
- F25D2317/067—Details 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
- F25D2317/0672—Outlet 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
This refrigerator comprises: a refrigeration chamber provided in an upper section; a freezing chamber provided in a lower section; and a fan that is arranged in the upper section of a cooler and that forcibly delivers generated cool air to the chambers. The refrigerator also comprises a refrigeration-chamber duct device (80) including a refrigeration-chamber air delivery duct that delivers the cool air to the refrigeration chamber, and a refrigeration-chamber return duct that returns the cool air to the cooler. In a duct device discharge section (90) of the refrigeration-chamber duct device (80), the cross-sectional area of a discharge opening inside the refrigerator is made larger than the minimum cross-sectional area of the duct device discharge section (90) within the air passage. With this construction, the temperature in the refrigeration chamber can be made uniform and condensation can be prevented, and thus, the temperature in each storage chamber can be made uniform and reliability in the periphery of the duct device can be ensured.
Description
Technical field
The present invention relates to a kind ofly make the cold air forced circulation generating and the different each storeroom of temperature band is carried out to cooling freezer in cooler.
Background technology
Fig. 9 is the longitudinal section of existing freezer.
As shown in Figure 9, casing 1 is made up of the heat insulating box 5 that is filled with heat-barrier material 4 between interior case 2 and outer container 3.Freezer rises from above and is provided with refrigerating chamber 6, moist closet 7, refrigerating chamber 8.Before refrigerating chamber 6, be provided with refrigerating chamber shutter door 9, before moist closet 7, be provided with moist closet shutter door 10, before refrigerating chamber 8, be provided with refrigerating chamber shutter door 11.
Refrigerating chamber 6 and moist closet 7 are had the demarcation strip 12 of effect of heat insulation to be separated, and moist closet 7 and refrigerating chamber 8 are had the demarcation strip 13 of effect of heat insulation and separate.In demarcation strip 13, portion is provided with the pipeline 14 being connected with refrigerating chamber 8.
In refrigerating chamber 6, dispose refrigerating chamber shelf 6a and refrigerating chamber box 6b for receiving food.In addition, at the back side of the interior case 2 of refrigerating chamber 6, configure contiguously tube sheet 15(tube on sheet with wall: tube-in-sheet evaporator), in refrigerating chamber 6, there is the cooling wall 6c being cooled by tube sheet 15.In addition, the back side of refrigerating chamber 8 dispose cooler 16 and be positioned at cooler 16 above fan 17.
In addition, in moist closet 7, dispose the moist closet box 7a for receiving food, dispose inside at the back side of moist closet 7 and have the pipeline 18 of air door (damper) 19.
For the freezer of formation described above, the following describes its action.
In refrigerating chamber 6, tube sheet 15 contacts with the back side of the interior case 2 of refrigerating chamber 6, and interior case 2 faces of refrigerating chamber 6 become cooling wall 6c, carries out the cooling of refrigerating chamber shelf 6a, refrigerating chamber box 6b in refrigerating chamber 6 by naturally cooling.
In refrigerating chamber 8, make the cold air forced circulation of the cooler 16 in cooling chamber by fan 17, cooling to carrying out in refrigerating chamber 8.Cold air after the interior circulation of refrigerating chamber 8 returns to cooler 16.
In moist closet 7, a part for the cold air of cooler 16, by fan 17 flow ipes 14, circulates to the pipeline 18 at the back side that is positioned at moist closet 7.Flow into the cold air of pipeline 18 by air door 19, be discharged to moist closet box 7a from multiple outlets 20, carry out after heat exchange with the air in moist closet box 7a, be inhaled into the Returning pipe of the cooler 16 that leads to the back side that is positioned at moist closet 7, return to cooler 16.
As mentioned above, in existing freezer, be divided into up and down refrigerating chamber 6 and moist closet 7 by demarcation strip 12, between refrigerating chamber 6 and moist closet 7, do not form the passage that cold air circulates.Refrigerating chamber 6 is by the cooling preference temperature that is cooled to of tube sheet 15.Moist closet 7 utilizes evaporation latent heat that fan 17 makes cooler 16 to the interior circulation of moist closet 7 and is cooled.In addition, detect the air conditioning quantity of air door 19 controlled circulations of the temperature of moist closet 7 by use, make the temperature of moist closet 7 keep constant, can make thus the temperature of the food in moist closet box 7a keep constant, can improve the fresh-keeping property of food.(for example,, with reference to patent documentation 1).
But, in above-mentioned existing structure, in refrigerating chamber 6, do not form air channel, apart from the near place of tube sheet 15 and place far away, in freezer, temperature difference is variable large.
In addition, for cooling to carrying out equably in moist closet 7, although discharge cold air from multiple outlets 20 of the moist closet box 7a side that is arranged at moist closet 7, because of with the temperature difference of the cold air of moist closet 7, may easily produce condensation trouble at outlet 20 peripheries.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2005-195293 communique
Summary of the invention
In order to solve above-mentioned existing problem, freezer of the present invention is provided with refrigerating chamber, refrigerating chamber, will between refrigerating chamber and refrigerating chamber, carries out the partition wall of heat insulation division.In addition, be provided with: cooler, it is arranged at the rear of refrigerating chamber, generates cold air; And cooling chamber, the top that it is disposed at cooler, is provided with the cold air generating forcibly to the fan of refrigerating chamber and refrigerating chamber air-supply.Also be provided with: the refrigerating chamber air supply duct by fan to refrigerating chamber transporting cold-air; With there is the plumbing installation that makes the cold air of the inside that is expelled to refrigerating chamber return to the refrigerating chamber Returning pipe of cooler.And, be located at the plumbing installation discharge portion of refrigerating chamber plumbing installation, compared with minimum cross-sectional area in discharge portion air channel, the area of section of the outlet opening portion of discharge portion freezer inner side is larger.According to this structure, can make all even Antidewings of temperature in refrigerating chamber, so can guarantee the homogenising of each storeroom temperature, the reliability of plumbing installation periphery.
Accompanying drawing explanation
Fig. 1 is the longitudinal section of the freezer of the first embodiment of the present invention.
The front view of the freezer main body of Fig. 2 the first embodiment of the present invention.
Fig. 3 is the skeleton diagram of the freezer major part of the first embodiment of the present invention.
Fig. 4 is the stereogram of the refrigerating chamber plumbing installation of the freezer of the first embodiment of the present invention.
Fig. 5 is the exploded perspective view of the refrigerating chamber plumbing installation of the freezer of the first embodiment of the present invention.
Fig. 6 is the stereogram of the refrigerating chamber inboard portion of the freezer of the first embodiment of the present invention.
Fig. 7 is the cutaway view of the outlet of the refrigerating chamber plumbing installation of the freezer of the first embodiment of the present invention.
Fig. 8 is the cutaway view of the outlet of the refrigerating chamber plumbing installation of the freezer of the second embodiment of the present invention.
Fig. 9 is the longitudinal section of existing freezer.
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.In addition, the present invention is not limited by this embodiment.
(the first embodiment)
Fig. 1 is the longitudinal section of the freezer of the first embodiment of the present invention, and Fig. 2 is the front view of the freezer main body of the first embodiment of the present invention.Fig. 3 is the skeleton diagram of the freezer major part of the first embodiment of the present invention, and Fig. 4 is the stereogram of the refrigerating chamber plumbing installation of the freezer of the first embodiment of the present invention.Fig. 5 is the exploded perspective view of the refrigerating chamber plumbing installation of the freezer of the first embodiment of the present invention, Fig. 6 is the stereogram of the refrigerating chamber inboard portion of the freezer of the first embodiment of the present invention, and Fig. 7 is the cutaway view of the outlet of the refrigerating chamber plumbing installation of the freezer of the first embodiment of the present invention.
In Fig. 1, the heat insulating box of freezer 30 31 is mainly by using the outer container 32 of steel plate and forming with the interior case 33 of the ester mouldings such as ABS.Between outer container 32 and interior case 33, be filled with the foamed heat-insulating materials 34 such as such as hard polyurethane foams, with heat insulation around.Heat insulating box 31 is divided into multiple storerooms, at topmost configuration refrigerating chamber 35, in the bottom of this refrigerating chamber 35 configuration switching chamber 36, then at foot configuration refrigerating chamber 37.
In the front openings portion of refrigerating chamber 35, make front openings portion can be freely openedly and closedly pivot suspension have refrigerating-chamber door 38, in the front openings portion of switching chamber 36, make front openings portion can be freely openedly and closedly pivot suspension have switching chamber door 39.In the front openings portion of refrigerating chamber 37, make front openings portion can be freely openedly and closedly pivot suspension have refrigerating chamber door 40.
Refrigerating chamber 35 is for stored refrigerated, its temperature take non-icing temperature as lower limit set, conventionally be set as 1 ℃～5 ℃, the temperature that switching chamber 36 can carry out bringing to refrigerated storage temperature band from cryogenic temperature is switched and is set, and can carry out Temperature Setting with 1 ℃ of interval till-18～4 ℃.Refrigerating chamber 37 is set at cryogenic temperature band, for freezing preservation is carried out Temperature Setting at-22 ℃～-15 ℃ conventionally, but in order to improve freezing preservation state, sometimes also carries out Temperature Setting at the low temperature of for example-30 ℃ ,-25 ℃.
In addition, be divided into up and down switching chamber 36 and refrigerating chamber 37 by the first partition wall 41, be divided into up and down refrigerating chamber 35 and switching chamber 36 by the second partition wall 42.
In addition, be provided with the cooling chamber 43 that generates cold air at the back side of refrigerating chamber 37, be equipped with cooler 44 in inside.Cooling chamber 43 demarcates with refrigerating chamber 37 is heat insulation by the coil-like thing of covering (coil cover) 45.Above cooler 44, dispose the fan 46 that blows forcibly generated cold air, below cooler 44, be provided with to remove and be attached to frost on cooler 44 and the Defrost heater 47 of ice.Specifically, Defrost heater 47 is Glass tube heaters of glass system, special in the situation that cold-producing medium is hydrocarbon class refrigerant gas, adopts glass tube to form double-deck dual Glass tube heater as explosion-proof countermeasure.In addition, cover with coil-like thing (coil cover) 45 by resinous panelling 45a and form the maintaining part of fan 46 and the thermal insulation of cold air path covering coil-like thing (insulated coil cover) 45b with heat-barrier materials such as styrene materials and form.
In addition, possesses the plumbing installation 49 having to the air supply duct 48 of refrigerating chamber 35 and switching chamber 36 blowing cooling airs at the back side of switching chamber 36.Air supply duct 48 comprises to the refrigerating chamber air supply duct 48a of refrigerating chamber 35 blowing cooling airs with to the switching chamber air supply duct 48b of switching chamber 36 blowing cooling airs.Refrigerating chamber air supply duct 48a and switching chamber air supply duct 48b configure towards above-below direction respectively side by side in the interior left and right of plumbing installation 49 respectively.In plumbing installation 49, be embedded with the throttle setting 50 that regulates the air conditioning quantity blowing to refrigerating chamber 35 and switching chamber 36.And throttle setting 50 is disposed in refrigerating chamber air supply duct 48a and switching chamber air supply duct 48b pipeline separately, control dividually the air conditioning quantity of passing through.
In addition, the cold air of discharging from the refrigerating chamber outlet 35a of refrigerating chamber 35 by refrigerating chamber air supply duct 48a, returns to cooler 44 from the refrigerating chamber return port 35b at the back side, bottom that is arranged at refrigerating chamber 35 by the refrigerating chamber Returning pipe 51a shown in Fig. 6.The cold air of discharging to switching chamber 36 from switching chamber top outlet 36a, switching chamber bottom outlet 36b by switching chamber air supply duct 48b, the switching chamber return port 36c at the back side of switching chamber 36 from the bottom that is arranged at plumbing installation returns to cooler 44 by switching chamber Returning pipe (not shown).
Refrigerating chamber Returning pipe 51a and air supply duct 48 row arrangement, refrigerating chamber air supply duct 48a, switching chamber air supply duct 48b and tri-pipelines of refrigerating chamber Returning pipe 51a are configured in plumbing installation 49 side by side towards above-below direction thus.Switching chamber Returning pipe is adjacent with refrigerating chamber Returning pipe 51a, and by the position relationship configuration of front and back, and switching chamber Returning pipe configures more on the front than refrigerating chamber Returning pipe 51a.
In cooling chamber 43, be formed with as shown in Figure 3 and be located at a side of cooler 44, by covering the cold air backward channel 71 being separated by the back face wall of coil-like thing 45, partition member 75 and cooling chamber 43.Import the cold air returning from refrigerating chamber 35 and switching chamber 36 to cold air backward channel 71.
Then, refrigerating chamber 35 is described.
The multiple shelves 61 of refrigerating chamber 35 use are divided into multiple regions up and down by indoor, the refrigerating chamber air supply duct 48a forming at the back side of refrigerating chamber 35 is formed at the rear of multiple shelves 61 along the vertical direction, with each shelf 61 accordingly opening have refrigerating chamber outlet 35a.In addition, refrigerating chamber air supply duct 48a also can form the individual path (not shown) of left and right branch in refrigerating chamber 35 spaces, by having individual path, can make the uniformity of temperature profile in the space of the width of refrigerating chamber 35.
Refrigerating chamber plumbing installation 80 is disposed at the back side of refrigerating chamber 35, is formed the air channel of refrigerating chamber 35 by refrigerating chamber plumbing installation 80 and interior case 33.In addition, the second partition wall 42 combinations of refrigerating chamber 35 and switching chamber 36 are divided on refrigerating chamber plumbing installation 80 and edge up and down.Make to discharge cold air and the circulating cold air of returning from refrigerating chamber 35 via the plumbing installation 49 of switching chamber 36 at the interior mobile refrigerating chamber from cooling chamber 43 of refrigerating chamber plumbing installation 80, adjust the temperature band of refrigerating chamber 35.
Refrigerating chamber plumbing installation 80 comprises the refrigerating chamber conduit component 81 being formed by foam styrene and covers the resinous refrigerating chamber pipeline panelling 86 above of refrigerating chamber conduit component 81.At the sealing of refrigerating chamber plumbing installation 80, sealing foam components 82 is installed.
In addition, the lower face of refrigerating chamber conduit component 81 and back part, be that partition wall conduit component 87 contacts with partition parts 88 and interior case 33 with the upper face of the second partition wall 42.And foam components sealing 84 compressions that spread all over partition wall conduit component 87, partition parts 88 and the 33 ground settings of interior case are adjacent to sealing foam components 82.By adopting this structure, the structure that forms sealing strengthening in the portion of being tightly connected of refrigerating chamber plumbing installation 80, is tightly connected at above-below direction and fore-and-aft direction.And then the back part of refrigerating chamber conduit component 81 is that the interior case crimping sealing 83b of refrigerating chamber pipe pressuring connection sealing 83a and interior case 33 is tightly connected.
The shape of the refrigerating chamber pipe pressuring connection sealing 83a of refrigerating chamber conduit component 81 is made to convex-concave shape.By adopting this structure, carry out the discharge of cold air in the mode that refrigerating chamber 35 entirety are wrapped into from sidepiece outlet opening portion 91, realize the homogenising of the temperature of refrigerating chamber 35.
Sealing foam components 82, refrigerating chamber pipe pressuring connection sealing 83a and foam components sealing 84 form seal construction.And, on same line, do not link the switching of refrigerating chamber pipe pressuring connection sealing 83a and foam components sealing 84, but configure abreast each sealing, then overlap abreast.By adopting this structure, can guarantee fully the contact distance of switching part, deviation and assembling deviation that can absorption piece, therefore can realize the raising of sealing.
In addition, the interior case crimping sealing 83b of interior case 33 arranges step, emphasizes that from periphery be different face.By adopting this structure, in the time that being shaped, easily guarantees by metal pattern the plane precision of sealing, can improve the sealing contacting with refrigerating chamber pipe pressuring connection sealing 83a.
Moreover, by the form of refrigerating chamber 35, sealing is added to competent structure and be illustrated, but in switching chamber 36, also can similarly use these sealings to add competent structure with refrigerating chamber 35.
In addition, refrigerating chamber conduit component 81 has the sidepiece outlet opening portion 91 that makes cold air move into from the side the circulating cold air in refrigerating chamber 35 and makes the top outlet opening portion 92 of cold air top toward the circulating cold air of blowing down.And, be provided with plumbing installation discharge portion 90 in the front of the surperficial refrigerating chamber pipeline panelling 86 that covers refrigerating chamber conduit component 81.
In addition, on outer container 32, there is the control substrate 66 of controlling freezer 30 entirety in the position configuration corresponding with the back side of switching chamber 36.
In addition, the refrigerator temperature sensor (not shown) that detects the temperature of refrigerating chamber 35 is arranged in refrigerating chamber return port 35b, and the switching chamber temperature sensor (not shown) that detects the temperature of switching chamber 36 is arranged in switching chamber return port 36c.
The freezer of formation described above is illustrated to its action, effect below.
A part for the cold air generating at the cooler 44 of cooling chamber 43 is by fan 46 forwards air-supply forcibly, and refrigerating chamber 37 is by cooling from covering the cold air of discharging with the outlet of coil-like thing 45.Cold air, via the bottom that imports cooler 44 in covering with the return port of the lower openings of coil-like thing 45, carries out heat exchange at cooler 44, fresher cold air is circulated repeatedly by fan 46.Thus, refrigerating chamber 37 is cooled to preference temperature by the control of refrigerating chamber sensor (not shown).
In addition, the cold air of top that is expelled to fan 46 is from covering the intercommunicating pore import pipe device 49 through the first partition wall 41 with the cold gas exhausting outlet of coil-like thing 45.And, be expelled to the cold air of refrigerating chamber 35, be that indoor temperature is that design temperature is when above being detected by refrigerator temperature sensor, the refrigerating chamber air door (not shown) of open throttle setting 50, then, discharge cold air by refrigerating chamber air supply duct 48a from the refrigerating chamber outlet 35a of refrigerating chamber 35, refrigerating chamber 35 indoor carried out cooling.Cold air after circulation becomes the air with the moisture comprising in the air in refrigerating chamber 35 and reserve, is imported into refrigerating chamber return port 35b.The air being imported into is imported into the cold air backward channel 71 forming by the back face wall of coil-like thing 45 and cooling chamber 43 by covering by the refrigerating chamber Returning pipe 51a of plumbing installation 49.Passed through bottom and cooler 44 that the air of cold air backward channel 71 is imported into cooler 44 from cold air return port 77 and carried out heat exchange, fresh cold air is blowed forcibly by fan again.
Thus, though refrigerating chamber 35 in the position away from cooler 44, also can be by the indoor design temperature that is controlled at.
In addition, refrigerating chamber 35 cooling, by being arranged at sidepiece outlet opening portion 91 and the top outlet opening portion 92 of refrigerating chamber conduit component 81, with cold air from the side side and from surround above so that refrigerating chamber 35 in mode carry out cooling.In addition, by being arranged at the positive plumbing installation discharge portion 90 of refrigerating chamber pipeline panelling 86, also carrying out the cold air of frontal and discharge, also can carry out thus near portion cooling of refrigerating chamber conduit component 81, can realize the homogenising of the temperature in refrigerating chamber 35.
The difference of the temperature in the cold air of discharging from plumbing installation discharge portion 90 and refrigerating chamber 35 is larger.In the case of the size in conduit component outlet 90a and the hole of pipeline panelling outlet 90b is identical, it is cooling that the end face of the pipeline panelling outlet 90b being shaped by resin material is also discharged from cold air, so produce dewfall on the surface of refrigerating chamber pipeline panelling 86.This is the situation of the outlet peristome size ［ C ］ of minimum dimension ［ A ］=storeroom side opening portion's size ［ B ］=pipeline panelling outlet 90b in outlet cross section in the cross section of the outlet shown in Fig. 7.
In order to solve the problem of this generation dewfall, need to meet minimum dimension ［ A ］ < storeroom side opening portion's size ［ B ］ in outlet cross section, the condition of minimum dimension ［ A ］ the < outlet peristome size ［ C ］ in outlet cross section.At this moment, preferably ［ B ］ < ［ C ］, according to the flow regime of cold air, in the case of the relation not being cooled in pipeline panelling outlet 90b, is not absolute condition.In addition, as the structure that utilizes metal pattern to be easily shaped, be generally the minimum dimension ［ A ］ in the outlet cross section wall in air channel.
The shape of the storeroom side opening portion of preferred pipeline parts outlet 90a is formed as having the R shape (rounding shaping) of radius of corner.Refrigerating chamber conduit component 81 is formed by foam heat-insulating parts such as foam styrenes, and end surface shape is formed as R shape, and expanded beads can be reliably in end face hardening thus.Thus, the shape of the foam heat-insulating parts of seeing from outlet is fine, therefore can realize the outward appearance grade that improves refrigerating chamber.In order to ensure formability, the R shape of the storeroom side opening portion of this conduit component outlet 90a is preferably size more than 3R.
In the present invention, the refrigerating chamber plumbing installation 80 of refrigerating chamber 35 is illustrated, can be applied to storeroom temperature and discharges that cold air exists temperature difference and all storerooms that may dewfall on the surface of plumbing installation.
(the second embodiment)
Fig. 8 is the cutaway view around of plumbing installation discharge portion 90 of the refrigerating chamber of the second embodiment of the present invention.
With the same in the situation illustrated in fig. 7 that represents the first embodiment, by meeting minimum dimension ［ A ］ < storeroom side opening portion's size ［ B ］ in outlet cross section, the condition of minimum dimension ［ A ］ the < outlet peristome size ［ C ］ in outlet cross section, prevents from producing dewfall on the surface of refrigerating chamber pipeline panelling 86.The shape of the storeroom side opening portion of preferred pipeline parts outlet 90a is formed as having the R shape of radius of corner.
In addition, minimum dimension ［ A ］ < by being made as outlet cross section is in the air channel midway in outlet cross section side opening portion size ［ D ］, can reduce cold air to the duct resistance flowing in outlet.In addition, by the end face of air channel side opening portion side is also formed to R shape, can realize the further reduction of duct resistance.
As described above, freezer of the present invention is provided with refrigerating chamber, refrigerating chamber, by the partition wall of heat insulation separation between refrigerating chamber and refrigerating chamber.In addition, be provided with: the cooler of the generation cold air arranging at the rear of refrigerating chamber; With the top that is disposed at cooler, be provided with generated cold air forcibly to the cooling chamber of the fan of refrigerating chamber and refrigerating chamber air-supply.And, being also provided with plumbing installation, this plumbing installation has by fan to the refrigerating chamber air supply duct of refrigerating chamber blowing cooling air and makes the cold air of the inside that is expelled to refrigerating chamber return to the refrigerating chamber Returning pipe of cooler.And, be arranged at the plumbing installation discharge portion of refrigerating chamber plumbing installation, compared with minimum cross-sectional area in discharge portion air channel, the area of section of the outlet opening portion of discharge portion freezer inner side is larger.According to this structure, can make all even Antidewings of temperature in refrigerating chamber, so can guarantee the homogenising of each storeroom temperature, the reliability of plumbing installation periphery.
In addition, plumbing installation of the present invention has on refrigerating chamber air supply duct surface the panelling being formed by resin component, can improve thus because only having the intensity that panelling heat insulating member is not enough, in addition, can improve the free degree of CF, realize the raising of the design in the storeroom that client sees.
In addition, the outlet of panelling of the present invention has than the large area of section of minimum cross-sectional area portion of area of section in the air channel of the outlet arranging at refrigerating chamber air supply duct, the cold air that panelling is blown out from outlet is thus cooling from the back side, the dewfall of the panel surface of the temperature difference generation in storeroom can be prevented, property of fine qualities can be guaranteed.
In addition, the outlet of refrigerating chamber air supply duct of the present invention has R forming face at the peristome of refrigerating chamber inner side, make thus the forming accuracy of heat insulating member improve, thereby can suppress the surperficial concavo-convex of the part seen in storeroom, can realize the raising of the grade of plumbing installation.
In addition, the present invention is by refrigerating chamber air supply duct outlet is configured in apart from height more than floor 1m, and has outlet in the level configurations in the visual field that easily enters client, so can further bring into play the effect of the outlet of get both property of fine qualities and grade.
In addition, refrigerating chamber air supply duct outlet of the present invention, the area of section of the outlet opening portion of air channel side has than the large area of section of minimum cross-sectional area portion of discharging in air channel, the duct resistance of the cold air that flows into refrigerating chamber air supply duct outlet can be reduced thus, the efficiency of the air channel circulation of cold air can be improved.
Industrial utilizability
As mentioned above, freezer of the present invention can be applicable to home-use or business freezer.
Symbol description
1 casing
2 interior casees
3 outer containers
4 heat-barrier materials
5 heat insulating boxes
6 refrigerating chambers
6a refrigerating chamber shelf
6b refrigerating chamber box
6c cooling wall
7 moist closets
7a moist closet box
8 refrigerating chambers
9 refrigerating chamber shutter door
10 moist closet shutter door
11 refrigerating chamber shutter door
12 demarcation strips
13 demarcation strips
14 pipelines
15 tube sheets
16 coolers
17 fans
18 pipelines
19 air doors
20 outlets
30 freezers
31 heat insulating boxes
32 outer containers
33 interior casees
34 foamed heat-insulating materials
35 refrigerating chambers
35a refrigerating chamber outlet
35b refrigerating chamber return port
36 switching chambers
36a switching chamber top outlet
36b switching chamber bottom outlet
36c switching chamber return port
37 refrigerating chambers
38 refrigerating-chamber doors
39 switching chamber doors
40 refrigerating chamber doors
41 first partition walls
42 second partition walls
43 cooling chambers
44 coolers
The coil-like thing of 45 covering
45a panelling
45b thermal insulation covers uses coil-like thing
46 fans
47 Defrost heaters
48 air supply ducts
48a refrigerating chamber air supply duct
48b switching chamber air supply duct
49 plumbing installations
50 throttle settings
51a refrigerating chamber Returning pipe
61 shelves
66 control substrate
71 cold air backward channels
75 partition members
77 cold air return ports
80 refrigerating chamber plumbing installations
81 refrigerating chamber conduit components
82 sealing foam components (sealing foam member)
83a refrigerating chamber pipe pressuring connection sealing
Case crimping sealing in 83b
84 foam components sealings
86 refrigerating chamber pipeline panellings
87 partition wall conduit components
88 partition parts
90 plumbing installation discharge portions
90a conduit component outlet
90b pipeline panelling outlet
91 sidepiece outlet opening portions
92 top outlet opening portions
Claims (6)
1. a freezer, is characterized in that, has:
Refrigerating chamber;
Refrigerating chamber;
Partition wall, it is by heat insulation separation between described refrigerating chamber and described refrigerating chamber;
Cooler, it is arranged at the rear of described refrigerating chamber, generates cold air;
Cooling chamber, the top that it is disposed at described cooler, is provided with the fan that generated cold air is blowed to described refrigerating chamber and described refrigerating chamber forcibly; With
Plumbing installation, it has by described fan to the refrigerating chamber air supply duct of described refrigerating chamber blowing cooling air and makes the cold air of the inside that is discharged to described refrigerating chamber return to the refrigerating chamber Returning pipe of cooler,
Be arranged at the plumbing installation discharge portion of described refrigerating chamber air supply duct, compared with minimum cross-sectional area in described plumbing installation discharge portion air channel, the area of section of the outlet opening portion of described plumbing installation discharge portion freezer inner side is large.
2. freezer as claimed in claim 1, is characterized in that:
Described plumbing installation has on described refrigerating chamber air supply duct surface the panelling being formed by resin component.
3. freezer as claimed in claim 2, is characterized in that:
Described panelling has outlet, and the area of section of this outlet is larger than the minimum cross-sectional area portion of duct cross-section area of described plumbing installation discharge portion that is located at described refrigerating chamber air supply duct.
4. freezer as claimed in claim 1, is characterized in that:
The described plumbing installation discharge portion of described refrigerating chamber air supply duct has rounding forming face in described outlet opening portion.
5. freezer as claimed in claim 1, is characterized in that:
The described plumbing installation discharge portion of described refrigerating chamber air supply duct is configured in apart from height more than floor 1m.
6. the freezer as described in any one in claim 1～5, is characterized in that:
The described plumbing installation discharge portion of described refrigerating chamber air supply duct, the area of section of its air channel side opening portion is larger than the minimum cross-sectional area portion in described plumbing installation discharge portion air channel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-208579 | 2011-09-26 | ||
| JP2011208579A JP5861033B2 (en) | 2011-09-26 | 2011-09-26 | refrigerator |
| PCT/JP2012/005998 WO2013046613A1 (en) | 2011-09-26 | 2012-09-21 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103827607A true CN103827607A (en) | 2014-05-28 |
| CN103827607B CN103827607B (en) | 2016-02-10 |
Family
ID=47994698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280046822.2A Active CN103827607B (en) | 2011-09-26 | 2012-09-21 | Freezer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2762807A4 (en) |
| JP (1) | JP5861033B2 (en) |
| CN (1) | CN103827607B (en) |
| WO (1) | WO2013046613A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6145641B2 (en) * | 2013-06-06 | 2017-06-14 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| KR102595021B1 (en) * | 2017-01-17 | 2023-10-27 | 엘지전자 주식회사 | Refrigerator |
| KR102013589B1 (en) * | 2017-01-17 | 2019-08-23 | 엘지전자 주식회사 | Refrigerator |
| KR20180094742A (en) * | 2017-02-16 | 2018-08-24 | 서울바이오시스 주식회사 | Deodorizing device inclduing suction fan and refrigerator including the same |
| JP2023061307A (en) * | 2021-10-19 | 2023-05-01 | パナソニックＩｐマネジメント株式会社 | refrigerator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206818A (en) * | 1997-07-26 | 1999-02-03 | 三星电子株式会社 | Electric refrigerator capable of controlling cooling-air transferred into refrigerating chamber and vegetable chamber |
| CN1207483A (en) * | 1997-07-31 | 1999-02-10 | 三星电子株式会社 | Refrigerator having device for opening/closing cool air discharge ports |
| CN1209535A (en) * | 1997-08-22 | 1999-03-03 | 三星电子株式会社 | Refrigerator having discharger for changing position of cold-air discharging |
| JP2005195291A (en) * | 2004-01-09 | 2005-07-21 | Matsushita Electric Ind Co Ltd | Refrigerator |
| CN1940429A (en) * | 2005-09-30 | 2007-04-04 | 日立空调·家用电器株式会社 | Refrigerator |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304408A (en) * | 1999-04-20 | 2000-11-02 | Fujitsu General Ltd | Refrigerator |
| JP4196499B2 (en) * | 1999-10-27 | 2008-12-17 | 三菱電機株式会社 | Freezer refrigerator |
| JP2002147922A (en) * | 2000-11-06 | 2002-05-22 | Fujitsu General Ltd | Refrigerator |
| JP2005195293A (en) | 2004-01-09 | 2005-07-21 | Matsushita Electric Ind Co Ltd | Refrigerator |
| JP4190451B2 (en) * | 2004-03-31 | 2008-12-03 | 三洋電機株式会社 | Cooling storage |
| JP2006336946A (en) * | 2005-06-02 | 2006-12-14 | Sharp Corp | Stirling cooling box |
| JP2008069997A (en) * | 2006-09-12 | 2008-03-27 | Matsushita Electric Ind Co Ltd | Refrigerator |
| JP5133634B2 (en) * | 2007-09-06 | 2013-01-30 | シャープ株式会社 | refrigerator |
| TWI411755B (en) * | 2008-09-12 | 2013-10-11 | Panasonic Corp | Refrigerator |
| US8978406B2 (en) * | 2009-02-28 | 2015-03-17 | Electrolux Home Products, Inc. | Refrigeration apparatus for refrigeration appliance and method of minimizing frost accumulation |
| EP2339275B1 (en) * | 2009-12-24 | 2017-02-08 | Panasonic Corporation | Refrigerator |
-
2011
- 2011-09-26 JP JP2011208579A patent/JP5861033B2/en active Active
-
2012
- 2012-09-21 CN CN201280046822.2A patent/CN103827607B/en active Active
- 2012-09-21 EP EP12835627.6A patent/EP2762807A4/en not_active Withdrawn
- 2012-09-21 WO PCT/JP2012/005998 patent/WO2013046613A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206818A (en) * | 1997-07-26 | 1999-02-03 | 三星电子株式会社 | Electric refrigerator capable of controlling cooling-air transferred into refrigerating chamber and vegetable chamber |
| CN1207483A (en) * | 1997-07-31 | 1999-02-10 | 三星电子株式会社 | Refrigerator having device for opening/closing cool air discharge ports |
| CN1209535A (en) * | 1997-08-22 | 1999-03-03 | 三星电子株式会社 | Refrigerator having discharger for changing position of cold-air discharging |
| JP2005195291A (en) * | 2004-01-09 | 2005-07-21 | Matsushita Electric Ind Co Ltd | Refrigerator |
| CN1940429A (en) * | 2005-09-30 | 2007-04-04 | 日立空调·家用电器株式会社 | Refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103827607B (en) | 2016-02-10 |
| EP2762807A4 (en) | 2015-05-20 |
| JP2013068381A (en) | 2013-04-18 |
| JP5861033B2 (en) | 2016-02-16 |
| WO2013046613A1 (en) | 2013-04-04 |
| EP2762807A1 (en) | 2014-08-06 |
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