CN103827607B - Freezer - Google Patents
Freezer Download PDFInfo
- Publication number
- CN103827607B CN103827607B CN201280046822.2A CN201280046822A CN103827607B CN 103827607 B CN103827607 B CN 103827607B CN 201280046822 A CN201280046822 A CN 201280046822A CN 103827607 B CN103827607 B CN 103827607B
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- China
- Prior art keywords
- refrigerating chamber
- plumbing installation
- freezer
- chamber
- air
- 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.)
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Classifications
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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
Abstract
The invention provides a kind of freezer, it has: the refrigerating chamber being arranged at top; Be located at the refrigerating chamber of bottom; With the top being configured at cooler, by the cold air of generation forcibly to the fan blown in each room.In addition, there is refrigerating chamber plumbing installation (80), its have to refrigerating chamber blowing cooling air refrigerating chamber air supply duct and make cold air return the refrigerating chamber Returning pipe of cooler.In the plumbing installation discharge portion (90) of refrigerating chamber plumbing installation (80), compared with the minimum cross-sectional area in the air channel of plumbing installation discharge portion (90), the area of section of discharging opening portion inside freezer designs larger.According to this structure, the homogeneous temperature in refrigerating chamber can be made and prevent condensation, therefore, it is possible to guarantee the reliability of all even plumbing installation periphery of each storage compartment temperature.
Description
Technical field
The present invention relates to a kind of make to generate in cooler cold air forced circulation and the freezer that each storeroom different to temperature band cools.
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 being filled with heat-barrier material 4 between interior case 2 and outer container 3.Freezer is provided with refrigerating chamber 6, moist closet 7, refrigerating chamber 8 from upper.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 separated by the demarcation strip 12 with effect of heat insulation, and moist closet 7 and refrigerating chamber 8 are separated by the demarcation strip 13 with effect of heat insulation.In demarcation strip 13, portion is provided with the pipeline 14 be connected with refrigerating chamber 8.
The refrigerating chamber shelf 6a for receiving food and refrigerating chamber box 6b is configured with in refrigerating chamber 6.In addition, the back side of case 2 in refrigerating chamber 6, configures tube sheet 15(tubeonsheet contiguously with wall: tube-in-sheet evaporator), have in refrigerating chamber 6 by the cooled cooling wall 6c of tube sheet 15.In addition, the fan 17 being configured with cooler 16 at the back side of refrigerating chamber 8 and being positioned at above cooler 16.
In addition, being configured with the moist closet box 7a for receiving food in moist closet 7, being configured with the pipeline 18 that inside has air door (damper) 19 at the back side of moist closet 7.
For the freezer formed as mentioned above, the following describes its action.
In refrigerating chamber 6, the rear-face contact of the interior case 2 of tube sheet 15 and refrigerating chamber 6, interior case 2 face of refrigerating chamber 6 becomes cooling wall 6c, by naturally cooling the cooling of the refrigerating chamber shelf 6a carried out in refrigerating chamber 6, refrigerating chamber box 6b.
In refrigerating chamber 8, made the cold air forced circulation of the cooler 16 be in cooling chamber by fan 17, cool in refrigerating chamber 8.Cold air after refrigerating chamber 8 Inner eycle returns cooler 16.
In moist closet 7, a part for the cold air of cooler 16 is by fan 17 flow ipe 14, and the pipeline 18 to the back side being positioned at moist closet 7 circulates.The cold air flowing into pipeline 18, by air door 19, is discharged to moist closet box 7a from multiple outlet 20, after carrying out heat exchange, is inhaled into the Returning pipe of the cooler 16 leading to the back side being positioned at moist closet 7, returns cooler 16 with the air in moist closet box 7a.
As mentioned above, in existing freezer, be divided into refrigerating chamber 6 and moist closet 7 by demarcation strip about 12, between refrigerating chamber 6 and moist closet 7, do not form the passage that cold air carries out circulating.Refrigerating chamber 6 is cooled to preference temperature by the cooling of tube sheet 15.Moist closet 7 utilizes fan 17 make the evaporation latent heat of cooler 16 to moist closet 7 Inner eycle and be cooled.In addition, by the air conditioning quantity of air door 19 controlled circulation of the temperature with detection moist closet 7, make the temperature remained constant of moist closet 7, the temperature remained constant of the food in moist closet box 7a can be made thus, the freshness of food can be improved.(for example, referring to patent document 1).
But in above-mentioned existing structure, do not form air channel in refrigerating chamber 6, in the place near apart from tube sheet 15 and place far away, in freezer, temperature difference is variable large.
In addition, in order to cool equably in moist closet 7, although discharge cold air from multiple outlets 20 of the moist closet box 7a side being arranged at moist closet 7, because of the temperature difference of the cold air with moist closet 7, easily condensation trouble may be produced at outlet 20 periphery.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2005-195293 publication
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 carries out the partition wall of heat insulation division between refrigerating chamber and refrigerating chamber.In addition, be provided with: cooler, it is arranged at the rear of refrigerating chamber, generates cold air; And cooling chamber, it is configured at the top of cooler, is provided with the cold air generated forcibly to the fan that refrigerating chamber and refrigerating chamber are blown.Also be provided with: by the refrigerating chamber air supply duct of fan to refrigerating chamber transporting cold-air; The plumbing installation of the refrigerating chamber Returning pipe of cooler is returned with the cold air with the inside making to be expelled to refrigerating chamber.And be located at the plumbing installation discharge portion of refrigerating chamber plumbing installation, compared with the minimum cross-sectional area in discharge portion air channel, the area of section in the outlet opening portion inside discharge portion freezer is larger.According to this structure, the homogeneous temperature in refrigerating chamber can be made and prevent condensation, so the homogenising of each storage compartment temperature, the reliability of plumbing installation periphery can be guaranteed.
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 in the refrigerating chamber inboard portion of the freezer of the first embodiment of the present invention.
Fig. 7 is the sectional 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 sectional 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.
Detailed description of the invention
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 in the refrigerating chamber inboard portion of the freezer of the first embodiment of the present invention, and Fig. 7 is the sectional 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 31 of freezer 30 is primarily of using the outer container 32 of steel plate and forming with case 33 in the ester mouldings such as ABS.The foamed heat-insulating materials 34 such as such as hard polyurethane foams are filled with, with surrounding insulation between outer container 32 and interior case 33.Heat insulating box 31 is divided into multiple storeroom, 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, enable front openings portion freely openedly and closedly pivot suspension have refrigerating-chamber door 38, in the front openings portion of switching chamber 36, enable front openings portion freely openedly and closedly pivot suspension have switching chamber door 39.In the front openings portion of refrigerating chamber 37, enable front openings portion freely openedly and closedly pivot suspension have refrigerating chamber door 40.
Refrigerating chamber 35 is in order to stored refrigerated, with non-icing temperature for its temperature of lower limit set, usually be set as 1 DEG C ~ 5 DEG C, the temperature that switching chamber 36 can carry out bringing to from cryogenic temperature refrigerated storage temperature band switches setting, can carry out temperature setting till-18 ~ 4 DEG C with 1 DEG C of interval.Refrigerating chamber 37 is set at cryogenic temperature band, in order to freezen protective carries out temperature setting at-22 DEG C ~-15 DEG C usually, but in order to improve freezen protective state, sometimes also carries out temperature setting at the low temperature of such as-30 DEG C ,-25 DEG C.
In addition, be divided into switching chamber 36 and refrigerating chamber 37 by the first partition wall about 41, be divided into refrigerating chamber 35 and switching chamber 36 by the second partition wall about 42.
In addition, be provided with the cooling chamber 43 generating 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 with coil-like thing (coilcover) 45 by covering.Above cooler 44, be configured with the fan 46 blowing generated cold air forcibly, be provided with the Defrost heater 47 removing frost and the ice be attached on cooler 44 in the below of cooler 44.Specifically, Defrost heater 47 is Glass tube heaters of glass, especially when 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 and formed with coil-like thing (insulatedcoilcover) 45b by resinous panelling 45a and covering by the thermal insulation that the heat-barrier materials such as styrene materials form the maintaining part of fan 46 and cold air path with coil-like thing (coilcover) 45.
In addition, the plumbing installation 49 of the air supply duct 48 had to refrigerating chamber 35 and switching chamber 36 blowing cooling air is possessed at the back side of switching chamber 36.Air supply duct 48 comprises the refrigerating chamber air supply duct 48a to refrigerating chamber 35 blowing cooling air and the switching chamber air supply duct 48b to switching chamber 36 blowing cooling air.Refrigerating chamber air supply duct 48a and switching chamber air supply duct 48b respectively in plumbing installation 49 left and right configure towards above-below direction respectively side by side.The throttle setting 50 regulating the air conditioning quantity blowed to refrigerating chamber 35 and switching chamber 36 is embedded with in plumbing installation 49.And throttle setting 50 is configured in refrigerating chamber air supply duct 48a and switching chamber air supply duct 48b pipeline separately, controls the air conditioning quantity passed through dividually.
In addition, the cold air of being discharged from the refrigerating chamber outlet 35a of refrigerating chamber 35 by refrigerating chamber air supply duct 48a, returns cooler 44 from the refrigerating chamber return port 35b of the lower back being arranged at refrigerating chamber 35 by the refrigerating chamber Returning pipe 51a shown in Fig. 6.By the cold air that switching chamber air supply duct 48b discharges from switching chamber upper nozzle 36a, switching chamber lower nozzle 36b to switching chamber 36, return cooler 44 from the switching chamber return port 36c of the bottom being arranged at plumbing installation by switching chamber Returning pipe (not shown) at the back side of switching chamber 36.
Refrigerating chamber Returning pipe 51a and air supply duct 48 also row arrangement, refrigerating chamber air supply duct 48a, switching chamber air supply duct 48b and refrigerating chamber Returning pipe 51a tri-pipelines 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, configures by the position relationship of front and back, and switching chamber Returning pipe configures closer to the front than refrigerating chamber Returning pipe 51a.
Plumbing installation 49 is formed as the rear-side height of switching chamber 36 and the degree of left and right width dimensions significantly, and refrigerating chamber air supply duct 48a and switching chamber air supply duct 48b is configured at the substantially central portion of the left and right width of switching chamber 36 and the width of plumbing installation 49.Refrigerating chamber Returning pipe 51a and switching chamber Returning pipe centralized configuration are in the side of the plumbing installation 49 centered by refrigerating chamber air supply duct 48a and switching chamber air supply duct 48b.
Be formed as shown in Figure 3 in cooling chamber 43 and be located at the side of cooler 44, by covering the cold air backward channel 71 be separated by the back face wall of coil-like thing 45, partition member 75 and cooling chamber 43.The cold air returned from refrigerating chamber 35 and switching chamber 36 is imported to cold air backward channel 71.
Then, refrigerating chamber 35 is described.
Indoor are divided into multiple region by refrigerating chamber 35 multiple shelf 61 up and down, the refrigerating chamber air supply duct 48a formed at the back side of refrigerating chamber 35 is formed at the rear of multiple shelf 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 space, 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 configured 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, refrigerating chamber plumbing installation 80 is combined with the second partition wall 42 vertically dividing refrigerating chamber 35 and switching chamber 36.The refrigerating chamber from cooling chamber 43 that plumbing installation 49 via switching chamber 36 is flowed in refrigerating chamber plumbing installation 80 is discharged cold air and is returned circulating cold air, the temperature band of adjustment refrigerating chamber 35 from refrigerating chamber 35.
Refrigerating chamber plumbing installation 80 comprises the refrigerating chamber conduit component 81 formed by foam styrene and the resinous refrigerating chamber pipeline panelling 86 covered before 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, contact with partition parts 88 and interior case 33 with the upper surface portion of the second partition wall 42 and partition wall conduit component 87.And foam components sealing 84 compression arranged throughout partition wall conduit component 87, partition parts 88 and interior case 33 ground is adjacent to sealing foam components 82.By adopting this structure, forming the structure of sealing strengthening in the portion of being tightly connected of refrigerating chamber plumbing installation 80, being tightly connected at above-below direction and fore-and-aft direction.And then the back part of refrigerating chamber conduit component 81 and refrigerating chamber pipe pressuring connection sealing 83a crimp sealing 83b with the interior case of interior case 33 and are tightly connected.
The shape of the refrigerating chamber pipe pressuring connection sealing 83a of refrigerating chamber conduit component 81 is made convex-concave profile.By adopting this structure, the discharge carrying out cold air from sidepiece outlet opening portion 91 in mode refrigerating chamber 35 entirety wrapped into, realizes 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, same line does not link the switching of refrigerating chamber pipe pressuring connection sealing 83a and foam components sealing 84, but configure each sealing abreast, then overlap abreast.By adopting this structure, the contact distance of switching part can be guaranteed fully, can the deviation of absorption piece and assembling deviation, therefore, it is possible to realize the raising of sealing.
In addition, the interior case crimping sealing 83b of interior case 33 arranges step, emphasizes it is different faces from periphery.By adopting this structure, easily guaranteeing the plane precision of sealing when metal pattern is shaped, the sealing with the contact of refrigerating chamber pipe pressuring connection sealing 83a can be improved.
Moreover, by the form of refrigerating chamber 35, competent structure is added to sealing and be illustrated, but in switching chamber 36, also these sealings similarly can be used to add competent structure with refrigerating chamber 35.
In addition, refrigerating chamber conduit component 81 has and carries out making cold air move into the sidepiece outlet opening portion 91 of the circulating cold air in refrigerating chamber 35 from the side and carry out the outlet opening portion, top 92 of the circulating cold air making cold air top toward blowing down.And, be provided with plumbing installation discharge portion 90 in the front of the refrigerating chamber pipeline panelling 86 on the surface of covering refrigerating chamber conduit component 81.
In addition, on outer container 32, be configured with the control substrate 66 controlling freezer 30 entirety in the position corresponding with the back side of switching chamber 36.
In addition, the refrigerator temperature sensor (not shown) detecting the temperature of refrigerating chamber 35 is arranged in refrigerating chamber return port 35b, and the switching chamber temperature sensor (not shown) detecting the temperature of switching chamber 36 is arranged in switching chamber return port 36c.
Below, its action, effect are illustrated to the freezer formed as mentioned above.
A part for the cold air generated at the cooler 44 of cooling chamber 43 is forwards blown forcibly by fan 46, and refrigerating chamber 37 is cooled with the cold air that the outlet of coil-like thing 45 is discharged by from covering.Cold air, via covering the bottom importing cooler 44 with the return port of the lower openings of coil-like thing 45, carrying out heat exchange at cooler 44, fresher cold air is circulated repeatedly by fan 46.Thus, refrigerating chamber 37 passes through the controlled cooling model of refrigerating chamber sensor (not shown) to preference temperature.
In addition, the cold air being expelled to the top of fan 46 is from covering with the cold gas exhausting outlet of the coil-like thing 45 intercommunicating pore import pipe device 49 through the first partition wall 41.And, be expelled to the cold air of refrigerating chamber 35, when to be detected as indoor temperature by refrigerator temperature sensor be more than design temperature, 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, the indoor of refrigerating chamber 35 are cooled.Cold air after circulation becomes the air with the moisture comprised in the air in refrigerating chamber 35 and reserve, is imported into refrigerating chamber return port 35b.The air be imported into is imported into by covering the cold air backward channel 71 formed by the back face wall of coil-like thing 45 and cooling chamber 43 by the refrigerating chamber Returning pipe 51a of plumbing installation 49.The air that have passed cold air backward channel 71 is imported into the bottom of cooler 44 from cold air return port 77 and cooler 44 carries out heat exchange, and fresh cold air is blowed forcibly by fan again.
Thus, even if refrigerating chamber 35 is in the position away from cooler 44, also indoor can be controlled at design temperature.
In addition, the cooling of refrigerating chamber 35, by being arranged at sidepiece outlet opening portion 91 and the outlet opening portion, top 92 of refrigerating chamber conduit component 81, with cold air from the side side and from above surround so that refrigerating chamber 35 in mode cool.In addition, by being arranged at the plumbing installation discharge portion 90 in the front of refrigerating chamber pipeline panelling 86, the cold air also carrying out frontal is discharged, and also can carry out the cooling in the neighbouring portion of refrigerating chamber conduit component 81 thus, can realize the homogenising of the temperature in refrigerating chamber 35.
The difference of the temperature in the cold air and refrigerating chamber 35 of plumbing installation discharge portion 90 discharge is larger.When conduit component outlet 90a is identical with the size in the hole of pipeline panelling outlet 90b, the end face of the pipeline panelling outlet 90b be shaped by resin material is also discharged cold air cooling, so produce condensation on the surface of refrigerating chamber pipeline panelling 86.This is the situation of outlet opening portion size ［ C ］ of minimum dimension ［ A ］=storeroom side opening portion size ［ the 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 condensation, minimum dimension ［ A ］ < storeroom side opening portion's size ［ B ］ in demand fulfillment outlet cross section, the condition of minimum dimension ［ A ］ < outlet opening portion size ［ C ］ in outlet cross section.At this moment, preferably ［ B ］ < ［ C ］, according to the flow regime of cold air, when being in the relation that pipeline panelling outlet 90b is not cooled, is not absolute condition.In addition, the structure be easily shaped as utilizing metal pattern is generally the wall that the minimum dimension ［ A ］ in outlet cross section is in air channel.
The shape in the storeroom side opening portion of preferred pipeline parts outlet 90a is formed as the R shape (rounding shaping) with 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 hardening at end face thus.Thus, the shape of the foam heat-insulating parts seen from outlet very well, therefore, it is possible to realize the appearance improving refrigerating chamber.In order to ensure formability, the R shape in the storeroom side opening portion of this conduit component outlet 90a is preferably the size of more than 3R.
In the present invention, the refrigerating chamber plumbing installation 80 of refrigerating chamber 35 is illustrated, storage compartment temperature can be applied to and discharges cold air and there is temperature difference and all storerooms that may condense on the surface of plumbing installation.
(the second embodiment)
Fig. 8 is the sectional view around the plumbing installation discharge portion 90 of the refrigerating chamber of the second embodiment of the present invention.
The same with in the situation illustrated in fig. 7 of expression first embodiment, by meeting minimum dimension ［ A ］ < storeroom side opening portion's size ［ B ］ in outlet cross section, the condition of minimum dimension ［ A ］ < outlet opening portion size ［ C ］ in outlet cross section, prevents from producing condensation on the surface of refrigerating chamber pipeline panelling 86.The shape in the storeroom side opening portion of preferred pipeline parts outlet 90a is formed as the R shape with radius of corner.
In addition, by being set to midway air channel side opening portion size ［ D ］ of minimum dimension ［ A ］ < in outlet cross section in outlet cross section, the duct resistance that cold air flows in outlet can be reduced.In addition, by the end face of side, side opening portion, air channel is also formed R shape, the further reduction of duct resistance can be realized.
As described above, freezer of the present invention is provided with refrigerating chamber, refrigerating chamber, the partition wall separated by the spaced heat of refrigerating chamber and refrigerating chamber.In addition, be provided with: the cooler of the generation cold air arranged at the rear of refrigerating chamber; With the top being configured at cooler, be provided with generated cold air forcibly to the cooling chamber of fan of refrigerating chamber and refrigerating chamber air-supply.And be also provided with plumbing installation, this plumbing installation has the refrigerating chamber Returning pipe being returned cooler by fan to the refrigerating chamber air supply duct of refrigerating chamber blowing cooling air and the cold air of inside that makes to be expelled to refrigerating chamber.And being arranged at the plumbing installation discharge portion of refrigerating chamber plumbing installation, compared with the minimum cross-sectional area in discharge portion air channel, the area of section in the outlet opening portion inside discharge portion freezer is larger.According to this structure, the homogeneous temperature in refrigerating chamber can be made and prevent condensation, so the homogenising of each storage compartment temperature, the reliability of plumbing installation periphery can be guaranteed.
In addition, plumbing installation of the present invention has on refrigerating chamber air supply duct surface the panelling formed by resin component, can improve thus because only having panelling heat insulating member and the intensity of deficiency, in addition, the free degree of CF can be improved, realize the raising of the design in storeroom that client sees.
In addition, the outlet of panelling of the present invention has the large area of section in the minimum cross-sectional area portion of area of section in the air channel than the outlet arranged at refrigerating chamber air supply duct, panelling is cooled from the back side by the cold air blown out from outlet thus, the condensation of the panel surface that can prevent the temperature difference in storeroom from producing, can guarantee qualitative reliability.
In addition, the opening portion of outlet inside refrigerating chamber of refrigerating chamber air supply duct of the present invention has R forming face, make the forming accuracy of heat insulating member improve thus, thus the concavo-convex of the surface of the part seen in storeroom can be suppressed, the raising of the grade of plumbing installation can be realized.
In addition, the present invention by refrigerating chamber air supply duct outlet being configured in the height apart from floor more than 1m, and has outlet in the level configurations in the visual field easily entering client, so can play the effect of the outlet of get both qualitative reliability and grade further.
In addition, refrigerating chamber air supply duct outlet of the present invention, the area of section in the outlet opening portion of side, air channel has the area of section larger than the minimum cross-sectional area portion discharged in air channel, the duct resistance of the cold air flowing 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
Case in 2
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
Case in 33
34 foamed heat-insulating materials
35 refrigerating chambers
35a refrigerating chamber outlet
35b refrigerating chamber return port
36 switching chambers
36a switching chamber upper nozzle
36b switching chamber lower nozzle
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
Coil-like thing is used in 45 coverings
45a panelling
45b thermal insulation covers and 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 sealings foam components (sealingfoammember)
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 outlet opening portion, tops
Claims (5)
1. a freezer, is characterized in that, has:
Refrigerating chamber;
Refrigerating chamber;
Partition wall, the spaced heat of described refrigerating chamber and described refrigerating chamber is separated by it;
Cooler, it is arranged at the rear of described refrigerating chamber, generates cold air;
Cooling chamber, it is configured at the top of described cooler, is provided with generated cold air forcibly to the fan that described refrigerating chamber and described refrigerating chamber blow; With
Plumbing installation, its have by refrigerating chamber air supply duct from described fan to described refrigerating chamber blowing cooling air and make the cold air of the inside being discharged to described refrigerating chamber return the refrigerating chamber Returning pipe of cooler,
Be arranged in the plumbing installation discharge portion of described refrigerating chamber air supply duct, the area of section in the outlet opening portion inside described plumbing installation discharge portion freezer is larger than the minimum cross-sectional area in described plumbing installation discharge portion air channel, and the area of section in side opening portion, air channel is larger than the minimum cross-sectional area in described plumbing installation discharge portion air channel.
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 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 the described plumbing installation discharge portion being 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 the height apart from floor more than 1m.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011208579A JP5861033B2 (en) | 2011-09-26 | 2011-09-26 | refrigerator |
| JP2011-208579 | 2011-09-26 | ||
| PCT/JP2012/005998 WO2013046613A1 (en) | 2011-09-26 | 2012-09-21 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103827607A CN103827607A (en) | 2014-05-28 |
| CN103827607B true 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 |
| KR102013589B1 (en) * | 2017-01-17 | 2019-08-23 | 엘지전자 주식회사 | Refrigerator |
| KR102595021B1 (en) * | 2017-01-17 | 2023-10-27 | 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 |
| JPWO2010029728A1 (en) * | 2008-09-12 | 2012-02-02 | パナソニック株式会社 | refrigerator |
| US8776544B2 (en) * | 2009-02-28 | 2014-07-15 | Electrolux Home Products, Inc. | Refrigeration system for refrigeration appliance |
| 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 WO PCT/JP2012/005998 patent/WO2013046613A1/en active Application Filing
- 2012-09-21 EP EP12835627.6A patent/EP2762807A4/en not_active Withdrawn
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 |
|---|---|
| JP5861033B2 (en) | 2016-02-16 |
| CN103827607A (en) | 2014-05-28 |
| JP2013068381A (en) | 2013-04-18 |
| WO2013046613A1 (en) | 2013-04-04 |
| EP2762807A4 (en) | 2015-05-20 |
| EP2762807A1 (en) | 2014-08-06 |
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