CN107850368A - Freezer - Google Patents

Abstract

The freezer of the present invention, formed with cold duct portion (32) in the thermal insulation barriers (30) as the shelf components (24) at the top of freezer room (23), thermal insulation barriers (30) are configured to the substantial forward end of shelf components (24), and cold duct portion (32) extend to the forward end part of thermal insulation barriers (30).In the cold duct portion (32) of thermal insulation barriers (30), cold air blow-off outlet (31) is intensively formed at front side, to cause the front side to freezer room (23) to supply the cold air more than rear side, and the rear portion of freezer room (23) is provided with cold air return port (43).

Description

Freezer

Technical field

The present invention relates to freezer, more particularly to it is provided with refrigerating chamber the freezer of freezer room.

Background technology

In general, home-use freezer includes refrigerating chamber, vegetable compartment and refrigerating chamber etc..Further, it is known to refrigerating Indoor setting is cooled to the ice temperature fresh-keeping room lower than temperature of refrigerating chamber and (is arranged to about 1 DEG C of the temperature field lower than refrigerating chamber Room), partial freeze room (room for being arranged to about -3 DEG C of microfreeze temperature field) or the can be switched between the two the 3rd The freezer room of temperature field room etc. (referring for example to patent document 1).

Figure 15 is the summary sectional view of the freezer room part of existing freezer, and Figure 16 is the low of existing freezer The amplification sectional view of warm compartment.It is the front of freezer 100 in Figure 15 and Figure 16, on the left of paper, right side is freezer 100 rear.Freezer 100 is configured with refrigerating chamber 101 and is arranged at the freezer room 102 of the bottom of refrigerating chamber 101.Low temperature The upper surface of storeroom 102 positioned at the undermost of refrigerating chamber 101 by the shelf components 103 as shelf by also being covered.

Shelf components 103 are integrated with thermal insulation barriers 104 and form, by freezer room 102 with higher cold of temperature It is heat-insulated to hide room 101.Further, cold duct portion 105 is provided with thermal insulation barriers 104, will be from main body using cold duct portion 105 The cold air that 106 sides are sent supplies into freezer room 102.

Further, the front lower surface of shelf components 103 is provided with inclined plane, it is low that the inclined plane is provided with irradiation Lighting device 107 in warm compartment 102.

In existing freezer 100 as shown in Figure 15 and Figure 16, freezer room 102 can be from being arranged at refrigerator pipe Multiple cold air blow-off outlets 108 in road portion 105 blow out cold air and cooled down.As a result, freezer room 102 is even in refrigeration Also the temperature lower than the temperature in refrigerating chamber 101 can be cooled in room 101, such as 1 DEG C as described above or -3 DEG C or so The cooling preservation of low temperature, suitable meat and fish etc. and valued.

However, the cold air blow-off outlet 108 on being arranged at cold duct portion 105, cold duct portion 105 is not as low The shelf components 103 at the top of warm compartment 102 are overall equably to be formed, but is only partly formed in rear portion, so low The forward portion cooling of warm compartment 102 is somewhat insufficient, there is that temperature inequality easily occurs in freezer room 102. In addition, also having situation about locally condensing is produced because such a temperature is uneven.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2012-220047 publications

The content of the invention

The present invention is in view of completing the problem of in above-mentioned existing freezer, there is provided is suppressed in cryopreservation room Temperature is uneven and condensation produces, the higher freezer of reliability.

The freezer of an example i.e., according to the embodiment of the present invention includes：Main body；It is arranged at the inside of main body Refrigerating chamber；With the freezer room of the bottom that is arranged at refrigerating chamber.Freezer room has the shelf components for forming top, shelf Part has thermal insulation barriers heat-insulated with refrigerating chamber in cryopreservation room.

Be taken into the cold duct portion of cold air in the cold air path that thermal insulation barriers are provided with from the freezer main body back side, thermal insulation barriers from The rear end of shelf components, which rises substantially to set, arrives forward end.Cold duct portion is formed to front from the rear portion of thermal insulation barriers Part is held, in the front ends diversity mesorelief of thermal insulation barriers into there is cold air blow-off outlet.In addition, set in the rear portion of freezer room It is equipped with cold air return port.

By such a structure, to the front side of freezer room also can cool-air feed, therefore cryopreservation can be prevented The front side cool-air feed of room is somewhat insufficient.Further, the cold air supplied to the front side of freezer room flows to cryopreservation The cold air return port at room rear.That is, to freezer room front side supply cold air from the front of freezer room rearward Flowing, so can be to equably being cooled down in cryopreservation room.Therefore, it is possible to suppress the inequality of the temperature in cryopreservation room Thus caused condensation produces, and food can be carried out into cooling preservation with good state and then improve reliability.

The freezer of an example according to the embodiment of the present invention is in the lower surface of shelf components, in thermal insulation barriers The recess prominent to the upper surface of shelf components can also be formed in cold duct portion.In addition, according to the embodiment of the present invention An example freezer lighting device can also be set in recess, cold air blow-off outlet is arranged at than lighting device close to front Part.

, can be efficiently to being illuminated in cryopreservation room, so cryopreservation chamber interior can be made by such a structure Visibility improve.At the same time, can also enter to the front side cool-air feed of freezer room even if being provided with lighting device And the inequality of the temperature in cryopreservation room and condensation generation can be suppressed infalliblely.

In addition, the thermal insulation barriers of the freezer of an example according to the embodiment of the present invention can also be provided with illumination The outer peripheral portion of the recess of device has heat-insulated wall belt-like zone.

By such a structure, even if turning into the cold duct portion of cold air flow around lighting device, in cold duct portion The cold air of interior flowing is also heat-insulated heat-insulated with wall belt-like zone around the recess of lighting device using being provided with.Therefore, illuminate Device will not supercooling and condensed in lighting device, so can realize in cryopreservation room cooling homogenization, can Further prevent from breaking down because lighting device condenses.

In addition, the freezer of an example according to the embodiment of the present invention can also be in freezer room with putting The bottom surface portions that the rear end of board member is relative configure heater.

By such a structure, can suppress cold air path because coming the autonomous agent back side cold gas and caused by cold emission And the easily supercooling near the back portion of the freezer room of low temperature.Therefore, it is possible to more infallible suppress low temperature The temperature of storeroom is uneven and condensation produces, and can further improve reliability.

In addition, the freezer of an example according to the embodiment of the present invention, main body can also be in freezer rooms Sidepiece has the water supply chamber of ice making, and heater is configured in the part adjacent with water supply chamber of the bottom of freezer room.

By such a structure, water supply chamber is set even in the side for being cooled to the freezer room compared with low temperature, also can Prevent from making water supply because of cold emission caused by the cold gas in the cold air in cryopreservation room and the cold air path at the main body back side Water flowing path in chamber freezes.It is configured therefore, it is possible to make freezer room extend to water supply chamber sidepiece, suppresses room The temperature of the inside for the freezer room being inside expanded is uneven and condensation produces and improves reliability.

Brief description of the drawings

Fig. 1 is the front view of the freezer in embodiments of the present invention.

Fig. 2 is the front view when door of the freezer in embodiments of the present invention is opened.

Fig. 3 is the longitudinal section of the freezer in embodiments of the present invention.

Fig. 4 is that the amplification of the freezer room for being arranged at refrigerating chamber bottom of the freezer of embodiments of the present invention is three-dimensional Figure.

Fig. 5 is the amplification sectional view of the freezer room of the freezer in embodiments of the present invention.

Fig. 6 is the exploded perspective view of the shelf components of the freezer room of the freezer in embodiments of the present invention.

Fig. 7 is the solid of the shelf components of the freezer room of the freezer in embodiments of the present invention viewed from above Figure.

Fig. 8 is the solid of the shelf components for the freezer room for observing the freezer in embodiments of the present invention from below Figure.

Fig. 9 be the shelf components of the freezer room of the freezer in embodiments of the present invention pull down thermal insulation barriers after State top view.

Figure 10 is the top view for the freezer room bottom for representing the freezer in embodiments of the present invention.

Figure 11 is Fig. 9 11-11 sectional views.

Figure 12 is illumination condition when representing the pull-out freezer room container of the freezer in embodiments of the present invention Explanation figure.

Figure 13 is Fig. 9 13-13 sectional views.

Figure 14 is the figure for illustrating the illumination condition in the freezer room of the freezer in embodiments of the present invention.

Figure 15 is the summary sectional view for the freezer room part for representing existing freezer.

Figure 16 is the amplification sectional view for the cryopreservation cell structure for representing existing freezer.

Embodiment

Hereinafter, embodiments of the present invention are illustrated referring to the drawings.But, the present invention is not limited by the embodiment It is fixed.

(embodiment)

An example of embodiments of the present invention is represented using Fig. 1~Figure 14.First, the overall structure of freezer is entered Row explanation.

Fig. 1 is the front view of the freezer in embodiments of the present invention, and Fig. 2 is the refrigeration in embodiments of the present invention The front view when door in storehouse is opened, Fig. 3 are the longitudinal sections of the freezer in embodiments of the present invention.In addition, in Fig. 3 In, left side is the front of freezer, and right side is rear.

In Fig. 1~Fig. 3, the freezer 50 of present embodiment has the main body 1 of front openings.Main body 1 as shown in figure 3, By mainly using the outer container 2 of steel plate, by the hard resins such as ABS be molded interior case 3 and be filled in hard between outer container 2 and interior case 3 The foaming heat insulation part 4 of matter polyurathamc etc. is formed.

Main body 1 is divided into multiple storerooms using demarcation strip 5,6,6a.Specifically, main body 1 has following each storage Room：Refrigerating chamber 7 positioned at topmost, the switching chamber 8a positioned at the bottom of refrigerating chamber 7 and the ice making being arranged side by side with switching chamber 8a Room 8b, the refrigerating chamber 9 positioned at switching chamber 8a and ice-making compartment 8b bottom and the vegetable compartment 10 positioned at the bottom of refrigerating chamber 9.Respectively The front openings portion of storeroom can be openedly and closedly closed using door 11a, 11b, 11c, 11d, 11e.

The upper back region of main body 1 is provided with Machine Room 14.Compressor 15 is accommodated with Machine Room 14 and enters water-filling Divide the high-pressure side component parts of the kind of refrigeration cycle such as the drier removed.

In addition, the cooling chamber 16 of generation cold air is provided with the back side of main body 1 and makes the cold air from cooling chamber 16 to cold Hide the cold air path 17 of room 7, vegetable compartment 10 and the supply circulation of refrigerating chamber 9.

Cooler 19 is configured with cooling chamber 16, cooling fan 20 is configured with the top of cooler 19.Cooling fan 20 make using the cold air that cooler 19 cools down via cold air path 17 in refrigerating chamber 7, vegetable compartment 10 and the forced circulation of refrigerating chamber 9 and Cool down each room.

Refrigerating chamber 7 is cooled to the temperature for not making food materials freeze left and right, i.e., usual 1 DEG C~5 DEG C, vegetable compartment 10 is cooled to The identical or slightly higher temperature with refrigerating chamber 7, such as 2 DEG C~7 DEG C.In addition, for freezen protective, refrigerating chamber 9 is typically cooled to- 22 DEG C~-15 DEG C of cryogenic temperature domain, according to circumstances, in order to improve freezen protective state, such as -30 DEG C can be also cooled to sometimes Or -25 DEG C of low temperature.

The refrigerating chamber 7 cooled down by the cold air from cooling chamber 16 is provided with multiple shelves 21 of mounting food materials.Further, Lighting device is provided with side wall front portion, lighting device is configured to light when door 11a is opened, and irradiates in refrigerating chamber 7.

In addition, in refrigerating chamber 7, divided in its underpart the water supply chamber 22 formed with the supply tank for being provided with ice making, Laterally adjacent it can be cooled to the ice temperature fresh-keeping room of about 1 DEG C of temperature field with its or be cooled to about -3 DEG C of microfreeze temperature The freezer room 23 switched is spent between the partial freeze room in domain.In addition, may be designed in can not be in ice for freezer room 23 Switch between warm fresh-keeping chamber or partial freeze room, and be used as ice temperature fresh-keeping room or partial freeze room exclusively with.

Fig. 4~Figure 14 used below illustrates to the structure of freezer room 23.

Fig. 4 is that the amplification of the freezer room for being arranged at refrigerating chamber bottom of the freezer in embodiments of the present invention is stood Body figure, in Fig. 4, lower right side are fronts, and upper left side is rear.Fig. 5 is the low temperature of the freezer in embodiments of the present invention The amplification sectional view of storeroom, in Figure 5, left side are fronts, and right side is rear.

First, as shown in Figure 4 and Figure 5, on present embodiment freezer 50 freezer room 23, its upper surface by The division of shelf components 24 for being used as the undermost shelf positioned at refrigerating chamber 7 is formed, and side between water supply chamber 22 by entering The demarcation strip 22a that row separates divides to be formed.The container 25 of pull-out freely is internally provided with freezer room 23.Container 25 Lid is closed in front using cover plate 26, the cover plate 26 by pulling out container 25 being rotated centered on the leading section of shelf components 24 and Open.

Fig. 6 is the exploded perspective of the shelf components for the freezer room for forming the freezer in embodiments of the present invention Scheme, the lower left side in Fig. 6 is the front of freezer, and upper right side is rear.Fig. 7 is in embodiments of the present invention viewed from above Freezer shelf components stereogram, the lower left side in Fig. 7 is front, and upper right side is rear.Fig. 8 is to observe this from below The stereogram of the shelf components of freezer in the embodiment of invention, the upper right side in Fig. 8 are the fronts of freezer, lower left side It is rear.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, shelf components 24 are made up of such as lower component：It is plastic by being installed on The upper plate 28 of the compositions such as the glass plate of shelf frame part 27；As the plastic lower frame plate 29 of lower plate；On being arranged at The thermal insulation barriers 30 of foamed styrene between plate 28 and lower frame plate 29 etc..Thermal insulation barriers 30 are by upper thermal insulation barriers 30a and lower thermal insulation barriers 30b It is overlapping and form.In addition, overlapping with lower thermal insulation barriers 30b in upper thermal insulation barriers 30a and formation space is formed with cold duct portion 32.

In the cold duct portion 32 of thermal insulation barriers 30 formed with the cold air blow-off outlet 31 being open to lower frame plate 29.Specifically, In the present embodiment, cold air blow-off outlet 31 is with the side of the cold air to the supply of the front side of freezer room 23 more than rear side Formula, with the more than half of the cold air that is blown out to freezer room 23 it is more specifically from the side that the front side of freezer room 23 is blown out Formula, intensively it is arranged at the forward end part of the thermal insulation barriers 30 formed with cold duct portion 32.

Specifically, for example, cold air blow-off outlet 31 the front side of freezer room 23, i.e. thermal insulation barriers 30 front ends Divide more than the quantity that rear portion is intensively set.Or cold air blow-off outlet 31 can also be to be arranged at freezer room 23 The blow-off outlet 31 of rear side of the summation of the aperture area of the cold air blow-off outlet 31 of front side than being arranged at freezer room 23 The big mode of the summation of aperture area, is intensively arranged at front side.I.e. cold air blow-off outlet 31 can be cold air blow-off outlet 31 Quantity concentrates on front side and is configured, can also be unrelated with the quantity of cold air blow-off outlet 31, is arranged to be arranged at low temperature storage Hide the total of cold air blow-off outlet 31 of the summation than being arranged at rear side of the aperture area of the cold air blow-off outlet 31 of the front side of room 23 With it is big.

In addition, in the present embodiment, it is corresponding with the cold air blow-off outlet 31 for being arranged at lower frame plate 29 in lower thermal insulation barriers 30b Position connects formed with cold air blow-off outlet 31b, cold duct portion 32 with cold air blow-off outlet 31.

By the way that shelf components 24 are placed in refrigerating chamber 7, cold duct portion 32 via cold air introducing port 33 described later with The cold air path 17 at the back side of main body 1 connects, from cold air introducing port 33 into freezer room 23 cool-air feed.Utilize the cold air pair Cooled down in freezer room 23.

In addition, the thermal insulation barriers 30 for being provided with cold duct portion 32 be configured to from the rear end of shelf components 24 it is substantial Forward end.Herein, substantial forward end refers to, such as shown in Fig. 8, the forward end of shelf components 24 and from forward end to shelf portion The part of several centimetres of distance of the inner side of part 24.In addition, the rear end of shelf components 24 refers to the rear of shelf components 24 The end that thermal insulation barriers 30 can be set of side, in the present embodiment finger ends 24b (reference picture 6).In addition, shelf components 24 Rear portion finger ends 24b and the part from the 24b of end untill the center of the fore-and-aft direction of shelf components 24.

In addition, in the present embodiment, it is divided into only formed with cold air to front ends from the rear portion of thermal insulation barriers 30 Pipe section 32, distributed in the front ends for being provided with the thermal insulation barriers 30 in cold duct portion 32 and be equipped with cold air blow-off outlet 31.Herein, every The forward end part of warmware 30 refer to thermal insulation barriers 30 as shown in Figure 5 front ends side, i.e. in the fore-and-aft direction of thermal insulation barriers 30 before The part of front side 1/3rd in the half of square side, the more preferably fore-and-aft direction of thermal insulation barriers 30, and then preferably thermal insulation barriers The part of front side a quarter in 30 fore-and-aft direction.In addition, the rear portion of thermal insulation barriers 30 refers to the front and back of thermal insulation barriers 30 To the middle part than center rearward.

By such a structure, the front ends to thermal insulation barriers 30 are divided into only configuration cold duct portion 32, to freezer room The more than half of the cold air of supply is supplied by front of the cold duct portion 32 from cold air blow-off outlet 31 into freezer room 23 in 23.

Fig. 9 is that the shelf components for the freezer room for forming the freezer in embodiments of the present invention pull down thermal insulation barriers State top view, the downside in Fig. 9 is the front of freezer 50, and upside is rear.

As shown in figs. 5 and 9, in the present embodiment, it is formed in the lower frame plate 29 of thermal insulation barriers 30, cold air blow-off outlet 31 The front side of lighting device 35 described later, be formed as than rear side of the lighting device 35 in rear, i.e. freezer room 23 The imperforate portion of cold air blow-off outlet 31 is not formed.Thus, it is configured to the thermal insulation barriers 30 in shelf components 24 in the present embodiment Front ends point intensively configure the cold air blow-off outlet 31 of majority.

In addition, as shown in figure 5, in the opposite side of the forward end part for the thermal insulation barriers 30 for intensively configuring cold air blow-off outlet 31 That is the rear portion of freezer room 23 is provided with cold air return port 43.

Figure 10 is the top view of the bottom for the freezer room for representing the freezer in embodiments of the present invention, Tu10Zhong Downside be freezer 50 front, upside is rear.

As shown in Figure 10, in the shelf components 24 with no freezer room 23 concentrated and form cold air blow-off outlet 31 The relative bottom surface portions laying having heaters 44 of rear portion.Heater 44 includes front rim portion 44a and rear rim portion 44b With two lateral section 44c.

Heater 44 is embedded in the demarcation strip 5 for the bottom surface for forming freezer room 23.In addition, heater 44 is configured to surround The periphery of non-porous sections rear side, being configured without cold air blow-off outlet 31 of freezer room 23.Remove front rim portion 44a Rear rim portion 44b and two lateral section 44c in addition is configured to positioned at the corner of freezer room 23.Further, heater 44 are formed as near the cold air return port 43 that part 44e turns back and becomes distribution near part 44d and water supply chamber 22 It is hidden.

Figure 11 is Fig. 9 11-11 sectional views, and left side is the front of freezer 50 in Figure 11, and right side is rear.

As shown in figure 11, the thermal insulation barriers 30 of shelf components 24 are overlapping with lower thermal insulation barriers 30b by upper thermal insulation barriers 30a and form. Using the recess formed on the composition surface of any one of upper thermal insulation barriers 30a and lower thermal insulation barriers 30b or both, formed with cold air Pipe section 32.

The upper thermal insulation barriers 30a of thermal insulation barriers 30 and lower thermal insulation barriers 30b is pressed into and is installed on the lower frame plate 29 of shelf components 24, As shown in figure 5, portion is provided with the cold air introducing port 33 being connected with the cold air path 17 of main body 1 behind.

In addition, it is lower frame plate 29 in the lower surface of shelf components 24, with the cold air being absorbed in thermal insulation barriers 30 as shown in figure 11 Mode in pipe section 32, mode i.e. prominent to the upper surface of thermal insulation barriers 30 are formed with recess 34.The insertion of recess 34 is formed at Lower thermal insulation barriers 30b through hole 30c, lighting device 35 is internally provided with recess 34.

Recess 34 is formed at the center of the fore-and-aft direction (depth direction) than shelf components 24 close to the part in front, illumination Device 35 is located at the part in the close front of freezer room 23.

Figure 12 is the illumination when container for the freezer room for illustrating the freezer in embodiments of the present invention is drawn out The figure of state, left side is the front of freezer 50 in Figure 12, and right side is rear.

As shown in figure 12, in the present embodiment, the lighting device 35 for being arranged at recess 34 is formed as follows：It is located at Than the rearmost end 25B that is open above the container 25 that is pulled out from freezer room 23 close to front side.

In addition, the outer peripheral portion as shown in figure 9, be formed as of the recess 34 of the thermal insulation barriers 30 of storage lighting device 35 reserve every Heat uses wall belt-like zone 36 and turns into cold duct portion 32.I.e. cold duct portion 32 is configured to than the more front side of lighting device 35 Part be also continuously formed, from cold air blow-off outlet 31 also to the forward portion cool-air feed of freezer room 23.

The heat-insulated of the outer peripheral portion of recess 34 is formed to be specifically formed as and the phase of cold air introducing port 33 with wall belt-like zone 36 To part it is heat-insulated wider than other parts with cornice shape peak width 36W.

Figure 13 is Fig. 9 13-13 sectional views, when being the main body of freezer from front in embodiments of the present invention Sectional view.

As illustrated in figures 11 and 13, being arranged at the lighting device 35 of recess 34 includes substrate 37, by being arranged at substrate 37 The light source body 38 of the compositions such as LED and the translucent cover 39 of the lower section of covering light source body 38.The substrate 37 of lighting device 35, which is embedded in, to be set Put in the inner side of the retention tab 40 of recess 34 of the lower frame plate 29 of shelf components 24 and engaged by pawl.Further, translucent cover 39 is embedding Outside and engaging together in retention tab 40 are installed in recess 34.I.e. by lighting device 35 in the blocking of lower frame plate 29.

As shown in figure 9, it is provided with the upper thermal insulation barriers 30a and lower thermal insulation barriers 30b of the thermal insulation barriers 30 for forming shelf components 24 Be formed as the distribution trough 41 with the identical recess of cold duct portion 32.The lead 42 of lighting device 35 is by distribution trough 41 from formation It is connected in the opening 24a of the rear end of shelf components 24 with the power supply lead wire of the side of main body 1.

In the present embodiment, distribution trough 41 is as shown in figure 9, to avoid the side of the cold air blow-off outlet 31 in cold duct portion 32 Formula is formed forwards from one, the rear of recess 34 end part (Fig. 9 left back portion), keeps the state on transverse direction (Fig. 9 right side Direction) on bend, and then rearward bend and formed along the side of shelf components 24.

In addition, after distribution is handled, the opening 24a of (reference picture 4) enclosed shelves of closed plate 44 part 24 is utilized.

Figure 14 is the figure of the illumination condition in the freezer room for illustrate the freezer in embodiments of the present invention, is being schemed Left side is front in 14, and right side is rear.

As shown in figures 12 and 14, freezer room 23 is configured to switch depositing for 45 detection containers 25 with container detection Take, and the supply of cold air is controlled with the detection temperature of temperature sensor 46, be cooled to set point of temperature.

Then the action effect of the freezer 50 to being formed more than illustrates.

The freezer 50 of present embodiment passes through cold air path when cooling down operation start, in the cold air that cooling chamber 16 generates 17 supply to refrigerating chamber 7, vegetable compartment 10 and refrigerating chamber 9, and via being arranged at the cold duct portions 32 of shelf components 24 from cold Air-blowing outlet 31 supplies to freezer room 23.

Now, cold air blow-off outlet 31 is concentrated and is formed at the forward end part of the thermal insulation barriers 30 of shelf components 24, so energy Enough forward portions to freezer room 23 supply enough cold air, and then can prevent the front part of freezer room 23 from separating The somewhat insufficient situation of existing cool-air feed.

The cold air blown out from the cold air blow-off outlet 31 for the forward end part for being arranged at thermal insulation barriers 30 flows to freezer room 23 The cold air return port 43 at rear, wherein above-mentioned heat-barrier material 30 is configured to the substantial front end of shelf components 24.I.e. from cold air The forward portion of cold air from freezer room 23 that blow-off outlet 31 is blown out flows to rear portion.

Therefore, even if cold air blow-off outlet 31 is concentrated and is formed at the forward end part of thermal insulation barriers 30, in freezer room 23 Also it is uniformly cooled in the whole region from its forward portion to rear portion.

As a result, the temperature inequality in freezer room 23 can be suppressed and produced because being condensed caused by it, can make Food improves reliability with good state cooling preservation.

In addition, in the rear portion of the shelf components 24 with no freezer room 23 concentrated and form cold air blow-off outlet 31 The bottom surface portions configuration having heaters 44 of split-phase pair.By such a structure, the cold air path because coming the back side of autonomous agent 1 can be suppressed Cold emission caused by 17 cold gas and be easy to the supercooling near the back portion of freezer room 23 of low temperature, Neng Gougeng The temperature inequality and condensation for suppressing freezer room 23 infalliblely produce.Therefore, it is possible to further improve reliability.

Particularly, as shown in Figure 10, cold air path 17 of the heater 44 along easy delay because coming the back side of autonomous agent 1 is low Warm cold air and the corner of the bottom-rear of the freezer room 23 of overcooled cold air and configure.Pass through such a structure, low temperature storage The supercooling for hiding the rear portion, the particularly corner at rear of room 23 is effectively suppressed, and can effectively suppress to store in low temperature Hide the generation of the temperature inequality in room 23.

Further, the interface with water supply chamber 22 of bottom of the heater 44 along the part adjacent with water supply chamber 22 Divide and configure.Therefore, it is possible to prevent because of the low temperature cold in the cold air in freezer room 23 and the cold air path 17 at the main body back side Water flowing path caused by cold emission caused by gas in water supply chamber 22 freezes.Therefore, freezer room 23 extends to water supply The part of chamber 22, and uneven produced with condensation of temperature can be suppressed and improve reliability.

Particularly, in water supply chamber 22, nearby nearby part 44d is folded back heater 44 for part 44e and cold air return port 43 And make distribution close terrain into.By such a structure, the water supply chamber 22 that can suppress the easy step-down of temperature infalliblely is attached Near-end divides the Wen Duxiajiang of part 44d near 44e and cold air return port 43, and the temperature that can suppress in freezer room 23 is uneven Produced with condensation and improve reliability.

In addition, in the freezer of present embodiment, in a manner of surrounding and be arranged at the lighting device 35 of shelf components 24 Cold duct portion 32 is set, and the forward portion of lighting device 35 is provided with cold air blow-off outlet 31.Therefore, it is possible to be filled from illumination Put 35 forward portion blowout cold air and prevent the forward portion of lighting device 35 from the somewhat insufficient situation of cool-air feed occur.

Therefore, it is possible to equably being cooled down in freezer room 23.Meanwhile when opening the door 11a of refrigerating chamber 7, it is low The lighting device 35 of warm compartment 23 is together lit with the lighting device in refrigerating chamber 7, is irradiated in freezer room 23.Cause This, it is possible to increase is to the visibility for the food being accommodated in freezer room 23.

Particularly, in the freezer 50 of present embodiment, lighting device 35 is arranged at the fore-and-aft direction of shelf components 24 The lower surface of the centre (pars intermedia in addition to leading section and rearward end) of (depth direction), so as shown in figure 14, from light The light of source body 38 can be irradiated untill the rear end inboard portion of container 25.Therefore, it is possible to make to freezer room 23 Become bright untill inner part, the food materials preserved in freezer room 23 can be clearly carried out depending on recognizing.

In addition, in the freezer of present embodiment, lighting device 35 is arranged to be located at than pulling out from freezer room 23 Container 25 above be open rearmost end 25B close to front side, so when pulling out container 25, as shown in figure 12, can also shine Penetrate in container 25.The visibility of food materials when pulling out container 25 therefore, it is possible to improve.

However, in freezer room 23, cold air flows and lighting device to the cold duct portion 32 around lighting device 35 35 turn into the state of cooling.But the cold air of flowing utilizes the recess 34 weeks for being provided with lighting device 35 in the cold duct portion 32 That encloses is heat-insulated heat-insulated with wall belt-like zone 36, so the supercooling of lighting device 35 can be prevented.Therefore, in lighting device 35 not The worry of short trouble etc. because of caused by the generation or attachment of condensation just like the situation for producing condensation, can be eliminated, is improved Reliability.

Particularly, in the present embodiment, store heat-insulated with wall belt-like zone 36 around the recess 34 of lighting device 35 As shown in figure 9, the part relative with the cold air introducing port 33 of the rearward end of shelf components 24 is heat-insulated with cornice shape peak width 36W Be formed as wider than the heat-insulated other parts with wall belt-like zone 36, so reliability can be improved more.

That is, the heat-insulated of the part relative with cold air introducing port 33 as recess 34 is come with cornice shape peak width 36W The cold air direct collision of self cooling conductance entrance 33 and consumingly cool down and then easily condense.However, in the present embodiment, The heat-insulated of the part relative with cold air introducing port 33 is especially broadly formed with cornice shape peak width 36W, so to self cooling because coming The direct collision of the cold air of conductance entrance 33 and it is caused consumingly cooling can be thermally shielded more infalliblely.Therefore, It can prevent the part relative with cold air introducing port 33 of lighting device 35 from supercooling occurs and then prevents in lighting device really 35 produce condensation, eliminate because of condensation and caused by short trouble etc. worry, improve reliability.

In addition, lighting device 35 is arranged at the center of the fore-and-aft direction (depth direction) than freezer room 23 close to front Part.By such a structure, even the shorter freezer room 23 of the depth size of fore-and-aft direction can also ensure that from cold The size in cold duct portion 32 of the conductance entrance 33 untill lighting device 35 is regulation above size.Thereby, it is possible to suppress to The inflow resistance increase of cold air in cold duct portion 32, can make the cool-air feed into freezer room 23 good.Therefore, Even if freezer room 23 is the partial freeze room of -3 DEG C of low temperature, it can also make freezer room 23 really and equably cool down To the temperature.

Further, the section below of the light source body 38 of lighting device 35 is covered by translucent cover 39, so can prevent cold Incidental extraneous air intrusion light source body 38 part during the door 11a opening and closings of room 7 is hidden, and then can be prevented because extraneous air is invaded Enter and caused condensation.Also, by setting translucent cover 39 to be able to ensure that the creep age distance untill light source body 38.Therefore, It can prevent from flowing through electrostatic when accessing food materials from freezer room 23 to light source body 38 and the part of substrate 37 from hand etc. and damaging light Source body 38.Therefore, it is possible to further improve reliability.

On the other hand, shelf components 24 it is overlapping with lower thermal insulation barriers 30b in upper thermal insulation barriers 30a and formed space formed with cold Feed channel portion 32, so being able to easily form cold duct portion 32, it is possible to increase productivity.That is, will only lead to formed with cold air The upper thermal insulation barriers 30a of road recess and lower thermal insulation barriers 30b (cold air path recess can also be only arranged at thermal insulation barriers 30a and Any one of lower thermal insulation barriers 30b) combination can just form cold duct portion 32.Therefore, with hollowing out in the middle part of a heat insulating member And the situation for forming cold duct portion is compared, the rapid raising of productivity can be made.Also, because in upper thermal insulation barriers 30a with Thermal insulation barriers 30b faying surface forms cold air path recess, no matter so equal energy of cold air path recess of which kind of shape Enough it is readily formed.Cryopreservation can be efficiently cooled down therefore, it is possible to improve the free degree of cold air passage shape, and can be formed The overall cold duct portion 32 in room 23.

In addition, be configured with the distribution trough 41 of the lead 42 of lighting device 35 also with identical recess side of cold duct portion 32 Formula is formed, so identical with the situation in cold duct portion 32, it is possible to increase the free degree of the shape of distribution trough 41.Therefore, it is possible to Tying for distribution itself is prevented in the position formation distribution trough 41 being difficult to by the influence of the cold air flowed in cold duct portion 32 Dew attachment, and then reliability can be improved.Separately prepare lead installing component etc. also, it is not necessary to waste time and energy and installed Lead wiring part is set in shelf components 24, is realized by the rationalization of structure and cuts down components number and reduction assembler When, it is possible to increase productivity and promotion cost reduction.

In addition, lighting device 35 be shelf components 24 lower frame plate 29 set recess 34 in be provided with substrate 37 and thoroughly Bright cover 39 and blocking.Therefore, thermal insulation barriers 30a and lower thermal insulation barriers 30b and shelf are loaded between upper plate 28 and lower frame plate 29 While the assembling of part 24 is completed, the loading of lighting device 35 is also completed.Therefore, it is possible to improve productivity, and can cut down The components number conveyed in assembling procedure, the installation process of the grade of light source body 38 become easy.

Particularly, as in the embodiment shown as example, if set in the lower thermal insulation barriers 30b sides for being provided with through hole 30c The recess in cold duct portion 32 and the recess of distribution trough 41 are equipped with, then the assembling of shelf components 24 can be made easy, can Further improve productivity.

That is, as shown in fig. 6, first, installation base plate 37 is sequentially embedded in the recess 34 of the lower frame plate 29 of shelf components 24 With translucent cover 39 and by the blocking of lighting device 35.Then, the lower frame plate 29 by blocking is overturn, under the insertion of lower frame plate 29 Thermal insulation barriers 30b.In this case, as shown in figure 13, from the bore portion 34Y of the recess 34 of embedded substrate 37 by from substrate 37 Lead 42 pulls out and winding to the distribution trough recess for being formed at lower thermal insulation barriers 30b.Next, from lower thermal insulation barriers 30b top Make thermal insulation barriers 30a overlapping, placement and the upper plate 28 of the one of shelf frame part 27, the then assembling of shelf components 24 are completed.

In other words, only thermal insulation barriers 30b sides are held and can just be illuminated the dress of device 35 in embedded lower frame plate 29 and peace Enter and the processing of the distribution of lead 42.Therefore, lower thermal insulation barriers 30b sides are installed on such as lighting device 35, lead 42 is installed on The situation of thermal insulation barriers 30a sides is compared, and assembleability significantly improves, it is possible to increase productivity.

In addition, in the present embodiment the freezer room 23 of example although not shown, but be configured to using air door etc. to The amount for the cold air that cold duct portion 32 supplies is adjusted, and enables freezer room 23 in partial freeze room or ice temperature fresh-keeping room Between switch over.

As described above, the freezer 50 of an example according to the embodiment of the present invention can be to cryopreservation The forward portion cool-air feed of room 23, so the forward portion of freezer room 23 can be prevented, cool-air feed occur somewhat insufficient Situation.Further, the cold air supplied to the forward portion of freezer room 23 flows to the cold air at the rear of freezer room 23 Return port 43, can be to equably cooling down in freezer room 23.Therefore, it is possible to suppress the temperature in freezer room 23 It is uneven and thus it is caused condensation produce, it is possible to increase the cooling preservation performance of food and improve reliability.

In addition, the invention is not restricted to above-mentioned embodiment, various changes can be carried out in the range of the purpose of the present invention reaching More, this is self-evident.

For example, in the above-described embodiment, concentrated as by the cold air blow-off outlet 31 to the cool-air feed of freezer room 23 And an example of the structure of the forward end part of the thermal insulation barriers 30 of shelf components 24 is formed at, cold air blow-off outlet 31 is only set The part in forward end part, rear portion being the rear side of main body 1 is the non-porous sections for being not provided with cold air blow-off outlet 31 Structure is illustrated, but is not limited to the structure, and the cold air blow-off outlet of for example several left and right can also be set in the non-porous sections 31.I.e. cold air blow-off outlet 31 is formed as in the cold air to be blown out into freezer room 23, from the front side of freezer room 23 The cold air of blowout accounts for its more than half mode, concentrates and is formed at the forward end part of thermal insulation barriers 30.

Thus, the freezer of an example according to the embodiment of the present invention with to the front side of freezer room supply Cold air blow-off outlet is configured at thermal insulation barriers by the mode of the cold air more than rear side.Specifically, such as in the heat-insulated of shelf components In the front ends diversity of part and form cold air blow-off outlet.More specifically, cold air blow-off outlet majority concentrates on shelf components The forward end part of thermal insulation barriers and formed.In addition, to be arranged at the blowout of the cold air of the forward end part of the thermal insulation barriers of shelf components Mouthful aperture area rear portion of the summation than being arranged at thermal insulation barriers cold air blow-off outlet aperture area the big side of summation The situation of formula formation cold air blow-off outlet, which is also included in the front ends diversity of the thermal insulation barriers of shelf components and forms cold air, blows The mode of outlet.By such a structure, it can suppress that the temperature in cryopreservation room is uneven and thus caused condensation produces.

Thus, should be unrestricted when the example for whole inventive points of opposing by above-mentioned embodiment.

In other words, the scope of the present invention is not limited to described above, and it is represented by claim, includes the model of claim Enclose and the implication and scope that are equal with it in whole change.

Industrial utilization possibility

As described above, the present invention provides that the temperature suppressed in cryopreservation room is uneven and condensation produces and reliability is higher Freezer.Therefore, it is possible to be widely used in home-use and business freezer and showcase etc..

Description of reference numerals

1 main body

7 refrigerating chambers

14 Machine Rooms

15 compressors

16 cooling chambers

17 cold air paths

19 coolers

20 cooling fans

21 shelves

22 water supply chambers

23 freezer rooms

24 shelf components

24b ends

25 containers

26 cover plates

27 shelf frame parts

28 upper plates

29 lower frame plates (lower plate)

30 thermal insulation barriers

The upper thermal insulation barriers of 30a

Thermal insulation barriers under 30b

31st, 31b cold air blow-off outlet

32 cold duct portions

33 cold air introducing ports

34 recesses

35 lighting devices

36 heat-insulated wall belt-like zones

36W is heat-insulated to use cornice shape peak width

37 substrates

38 light source bodies

39 translucent covers

40 retention tabs

41 distribution troughs

42 leads

43 cold air return ports

44 heaters.

Claims (5)

1. A kind of 1. freezer, it is characterised in that including：

   Main body；

   It is arranged at the refrigerating chamber of the inside of the main body；With

   The freezer room of the bottom of the refrigerating chamber is arranged at,

   The freezer room have form top shelf components, the shelf components have by the cryopreservation room with The heat-insulated thermal insulation barriers of the refrigerating chamber, it is taken into the cold air path that the thermal insulation barriers are provided with from the freezer main body back side cold The cold duct portion of gas, the thermal insulation barriers are substantially set to forward end from the rear end of the shelf components, described cold Feed channel portion is formed to forward end part from the rear portion of the thermal insulation barriers,

   In the front ends diversity mesorelief of the thermal insulation barriers into there is cold air blow-off outlet, and in the freezer room Rear portion is provided with cold air return port.
2. 2. freezer as claimed in claim 1, it is characterised in that：

   In the lower surface of the shelf components, the oriented shelf portion is formed in the cold duct portion in the thermal insulation barriers The recess that the upper surface of part protrudes, is provided with lighting device, the cold air blow-off outlet is arranged at than the illumination in the recess The part of device on the front.
3. 3. freezer as claimed in claim 2, it is characterised in that：

   The thermal insulation barriers there is provided the outer peripheral portion of the recess of the lighting device to have it is heat-insulated use wall belt-like zone.
4. 4. freezer as claimed in claim 1, it is characterised in that：

   Having heaters is configured in the bottom surface portions relative with the rear portion of the shelf components of the freezer room.
5. 5. freezer as claimed in claim 4, it is characterised in that：

   The main body is provided with the water supply chamber of ice making in the sidepiece of the freezer room, and the heater configuration is described The part adjacent with the water supply chamber of the bottom of freezer room.