CN102080916A - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
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- CN102080916A CN102080916A CN 201110047348 CN201110047348A CN102080916A CN 102080916 A CN102080916 A CN 102080916A CN 201110047348 CN201110047348 CN 201110047348 CN 201110047348 A CN201110047348 A CN 201110047348A CN 102080916 A CN102080916 A CN 102080916A
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- cold air
- freezer
- bactericidal device
- refrigerating chamber
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a refrigerator (100), comprising: a heat-insulating box (101) made of a heat-insulating material and having storage chambers (102, 103, 104, 105, and 106) formed therein; doors (107, 108, 109, 110, and 111) openably and closably attached to the opening of the heat insulating box; a cooling mechanism (115) for cooling the air in the heat-insulating box (101) and generating cold air; and a cold air circulation path for circulating the cold air between the storage chambers (102, 103, 104, 105, and 106) and the cooling means (115), wherein the cold air circulation path includes a carrier (201) for carrying the photocatalyst and an irradiation means (202) for irradiating the carrier (201) with excitation light for exciting the photocatalyst.
Description
Technical field
The present invention relates to a kind of freezer, particularly relate to the freezer that a kind of cold air circulates between storeroom and cooling body.
Background technology
In recent years, because the varieties of food items of each department is stored in the freezer, so very high for the demand of the deodorizing of the foul smell that produces by the food that is kept in the freezer and Ku Nei degerming.Therefore, be purpose with the deodorizing in the freezer, degerming, the exploitation of adopting the whole bag of tricks to carry out degerming, odor removal is risen.
As existing bactericidal device, following described bactericidal device is arranged, that is: configuration filter in wind path is carried out airborne degerming, deodorizing (for example with reference to patent documentation 1) by filter.
In addition, bactericidal device as existing use photochemical catalyst, adopted parts irradiation ultraviolet radiation, utilized the photochemical catalyst reaction with oxidations such as organic substance, decomposition in the freezer, to carry out multiple methods such as deodorizing, degerming to the filter shape that is carried with titanium oxide.
Below, with reference to disclosed degerming, odor removal in the description of drawings patent documentation 1.
Fig. 1 is returning the partial longitudinal section figure that refrigerating chamber air suction portion is equipped with the existing freezer of bactericidal device.
Bactericidal device shown in Figure 1 is made of sterilizing filter 1, odor removal filter 2, installing frame 3.At this, sterilizing filter 1 is an allotment silver and the forming materials that obtains is cellular formation in the zeolite that will constitute at the oxide by silicon, aluminium, sodium etc.
In addition, according to the relation of ventilation impedance, the filter about 100～250/square inch of mesh counts of use, aperture opening ratio 70～80%, thickness 8mm is as sterilizing filter 1.
In Fig. 1, dispose refrigerating chamber 5 at the topmost of freezer, below refrigerating chamber 5, dispose refrigerating chamber 6, dispose cooler 11 at the back side of refrigerating chamber 5 and refrigerating chamber 6.In addition, the insulation part 8 between refrigerating chamber 5 and refrigerating chamber 6 disposes cold air path 9.
Sterilizing filter 1 and odor removal filter 2 on cold air path 9, be equipped with integratedly.Particularly, 7 sides dispose sterilizing filter 1 in suction portion, dispose odor removal filter 2 in the inboard of sterilizing filter 1.
That is, this bactericidal device is mounted in the mode that breakthrough status is arranged at the cold air path 9 of the insulation part 8 between refrigerating chamber 5 and the refrigerating chamber 6 according to obstruction.
About the freezer that constitutes as mentioned above, below, its action is described.
The cold air that in cooler 11, generates, a part flows into refrigerating chamber 5, and another part flows into the refrigerating chamber 6 of below and other storeroom.The suction portion 7 process cold air paths 9 of cold air from returning air in the each several part circulation flow to cooler 11.At this moment the wind speed in the cold air path 9 is for roughly about 0.5m/sec.
Carry out degerming and deodorizing by the cold air in the cold air path 9 by bactericidal device.Particularly, at first, be captured with dust, dust, promote to contain the chemical change of smelly composition by odor removal filter 2, and carry out deodorizing by the spore of sterilizing filter 1 with bacterium, mould.
As mentioned above, can realize miniaturization with filter and degerming with filter,, can carry out degerming, deodorizing to atmosphere whole in the freezer effectively in the cold air path by this degerming, odor removal filter are set by the combination deodorizing.Therefore, can realize the freezer of the cleaning of not assorted bacterium and stench.
Patent documentation 1:(Japan) spy opens flat 5-157444 communique
But, in above-mentioned existing structure, dispose odor removal filter and sterilizing filter in the wind path returning of cold air.Therefore, have problem as described below, that is: in odor removal filter and sterilizing filter by becoming the cold air that cleans, when cycle period in the cold air path or in the cooler etc., contain Machine Room various foul smell and bacterium on every side once more, when in the storehouse, blowing out, become uncleanly cold air.
In addition, in above-mentioned existing structure, owing to dispose odor removal filter, sterilizing filter according to the mode that returning of cold air stopped up in the wind path, so they form bigger wind path impedance in the circulating path of cold air.Therefore, if will obtain the cooling performance identical, need raising to be used to make the ability of the fan 10 of cold air forced circulation with the state that does not have filter.
But the ability of raising fan can cause the increase of noise, and violate energy-conservation principle, is not desirable scheme.
Summary of the invention
The present invention finishes in view of the above problems, and its purpose is to provide a kind of freezer that can obtain the effect of degerming and deodorizing expeditiously.
Particularly, the object of the present invention is to provide the pressure loss in a kind of circulating path that can suppress cold air as far as possible, simultaneously at the freezer of the effect that obtains deodorizing and degerming in a big way.
In addition, the present invention also aims to provide a kind of cold air that in the storehouse, blows out not smelly, the freezer of the repressed cleaning of breeding of assorted bacterium.
The inventor finds, is setting when following in the temperature of storeroom, and in the freezer that the fan that makes circulating cold air stops, the cold air after the degerming is difficult to spread all over whole storeroom.
Based on this, even the present invention also aims to provide under a kind of situation that in freezer, does not have a compulsory circulating cold air, also can be at the freezer of the effect that obtains deodorizing and degerming in a big way.
To achieve these goals, freezer of the present invention comprises: the heat insulating box that is constituted, formed in inside storeroom by heat-barrier material; Open and close the door of the peristome that is installed on above-mentioned heat insulating box freely; Cool off the air in the above-mentioned heat insulating box, the cooling body of generation cold air; The circulating cold air path that above-mentioned cold air circulates between above-mentioned storeroom and above-mentioned cooling body, above-mentioned freezer possess to carry in above-mentioned circulating cold air path holds carrying of photochemical catalyst and holds body; With excite the irradiation means of the exciting light of above-mentioned photochemical catalyst to holding the body irradiation in above-mentioned year.
Thus, can be impedance does not affect greatly and the cold air of circulation is carried out deodorizing and degerming to wind path.Therefore, deodorizing and bacteria-eliminating efficacy are fed through in the freezer in a big way, can maintain low smelly, degerming state in the freezer.
In addition, held the discharge portion that body also can be configured in a part that constitutes above-mentioned circulating cold air path and be used to make the pipeline of circulating cold air in above-mentioned year.
According to this structure, the cold air of circulation before in the storehouse, blowing out by deodorizing and sterilizing filter by deodorizing and degerming, can in freezer, blow out the cold air of cleaning thus.
In addition, holding the contained above-mentioned photochemical catalyst of holding of body in above-mentioned year can contain silver, and above-mentioned irradiation means has light source, above-mentioned light source with wavelength greater than 400nm and held body as above-mentioned exciting light to above-mentioned year smaller or equal to the light of 520nm and shine.
Thus, when the non-irradiation of the running of device when stopping, light, have the antibiotic property that causes by silver, in addition, when the running of device, during the irradiation of light, can improve silver-colored antibacterial activity by light.Thus, can bring into play higher antibiotic property.And, by the restriction light wavelength, can provide not make the resinae deterioration, to human body safety and low-cost bactericidal device.
In addition, can in above-mentioned heat insulating box, be formed with a plurality of storerooms, held body and above-mentioned irradiation means in above-mentioned year and be configured in the stream of the above-mentioned cold air that storeroom is discharged, above-mentioned storeroom is included in the back segment of the initial storeroom that passes through of cold air that is generated by above-mentioned cooling body.
Thus, bactericidal device diminishes to the influence of the wind path impedance in the circulating cold air path.Therefore, can on the basis of the cycle efficieny of keeping cold air, carry out deodorizing, degerming to being positioned at from second later storeroom on the cold air flow direction of cooling body.
In addition, cold air is along with leaving from cooling body, and its temperature uprises.When producing dewfall etc. at storeroom, then be unfavorable on the visual perception, but since second later storeroom than first storeroom temperature height, so be difficult to dewfall.Therefore, second later storeroom can keep the state of visual perception's coideal, we can say to cause that the discontented possibility in market is little.
In addition, freezer of the present invention can also possess ventilation mechanism, and it will contain in the space of holding body and above-mentioned irradiation means in above-mentioned year Yu in the above-mentioned storeroom and carry out forced ventilation.
Thus, even do not make at freezer under the situation of circulating cold air, cold air in the bunker also can be forced to circulate in by deodorizing and degerming, so it is interior in a big way to make deodorizing and bacteria-eliminating efficacy relate to freezer, can keep low smelly, degerming state in the freezer.
Like this, in freezer of the present invention, influence the wind path impedance because bactericidal device is difficult, so, also can keep the cycle efficieny of cold air though bactericidal device is configured in the storeroom.In addition, even do not carry out the circulation time of cold air in the circulating cold air path, bactericidal device self also can make circulating cold air, makes bacteria-eliminating efficacy spread all over storeroom.
In addition, above-mentioned irradiation means can have a plurality of light emitting diodes (light-emitting diode LED), held body by above-mentioned a plurality of light emitting diodes to above-mentioned year and shines above-mentioned exciting light.
Thus, for example the part of the exciting light that sends from a plurality of light emitting diodes can be used for illumination in the storeroom.
In addition, the exciting light that utilizes a plurality of light emitting diodes to send, thus can improve the atmosphere temperature of bactericidal device, can be suppressed to carry and hold body etc. and produce dewfall.Thus, can prevent main because fault and the degerming of bactericidal device and the reduction of deodorizing effect of the bactericidal device that dewfall causes.
In addition, above-mentioned irradiation means had light emitting diode, and above-mentioned light emitting diode was held body and shone above-mentioned exciting light from the direction that tilts with respect to above-mentioned year.
Light emitting diode has directive property and has the narrower and small feature of illumination angle, by holding body and shine exciting light obliquely with respect to carrying like this, can not increase light emitting diode and carry degerming and the deodorizing of carrying out cold air in the less space of the distance of holding body expeditiously.
In addition, hold body and above-mentioned irradiation means in above-mentioned year and be configured in the inside of the bactericidal device that above-mentioned freezer possesses, above-mentioned freezer also has the lateral of formation from the individual path of above-mentioned circulating cold air path branches, above-mentioned bactericidal device is connected with above-mentioned lateral, possesses the intercommunicating pore that makes the cold air that flows into above-mentioned bactericidal device return above-mentioned circulating cold air path.
Like this, make the pipe special of a part of branch of the cold air of circulation by setting, can suppress the generation of wind path impedance of the main flow of circulating cold air, can not consider the wind path impedance of main flow and improve to be designed for and make cold air contact the free degree of carrying the lateral of holding body expeditiously.Consequently, the increase of wind path impedance can be suppressed, the effect of deodorizing and degerming can be improved simultaneously.
In addition, held the position that circulating direction that body is configured in above-mentioned cold air in the above-mentioned circulating cold air path changes in above-mentioned year, held body and be configured in above-mentioned year according to the mode that the part parallel with the circulating direction of the above-mentioned cold air of holding body towards above-mentioned year is contained in the normal of the big face of area.
By like this, deodorizing and bacteria-eliminating efficacy are related in the freezer in a big way, can maintain low smelly, degerming state in the freezer.
Particularly, because the variations in flow of the cold air in the position wind path of the circulating direction of changing cold air produces turbulent flow, so hold body by disposing to carry according to the parallel mode of circulating direction of normal that carries the big face of the area hold body and the cold air of holding body towards this year, can prolong cold air thus and carry the holdup time of holding the surface at this position.Thereby, can prolong and carry the photochemical catalyst hold on the body and the time of contact of cold air, consequently, can improve the bacteria-eliminating efficacy of cold air.
In addition, held body in above-mentioned year and intersect according to the normal of the big face of the area circulating direction with above-mentioned cold air, the mode that above-mentioned cold air flows along the two sides is configured.
Thus, cold air is pasting to carry and is holding the two sides of body and pass through.Therefore, can when suppressing the wind path impedance, guarantee to carry the amount of contact of holding body and cold air morely, can improve deodorizing and bacteria-eliminating efficacy.
In addition, in above-mentioned circulating cold air path, can above-mentioned cold air be circulated between above-mentioned storeroom and above-mentioned cooling body by fan, above-mentioned irradiation means cold air holding in above-mentioned year body around flow during held body to above-mentioned year and shine above-mentioned exciting light.
According to this structure, can cold air carrying hold body around flow during hold body irradiation exciting light to carrying.Thus, can carry out the degerming and the deodorizing of cold air expeditiously.In addition, can irradiation means always be lighted, and realize the long lifetime of energy-conservationization and irradiation means.
In addition, the present invention also can be the degerming method realization of step as the action with the characteristic formation portion that freezer of the present invention was possessed.
(invention effect)
Freezer of the present invention can gather imitates as inferior various effects; bactericidal device is difficult for having influence on the wind path impedance; though the configuration bactericidal device also can be kept the cycle efficieny of cold air in storeroom; and can protect not dewfall of bactericidal device simultaneously, and in the effect that obtains deodorizing and degerming in a big way.
In addition, freezer of the present invention can improve cold air and carry the frequency that contacts of holding body, and can improve deodorizing rate, degerming rate, so can provide ease of use good high-quality freezer.
In addition, freezer of the present invention is owing to making bacteria-eliminating efficacy spread all over storeroom, so the high-quality freezer that can provide bacteria-eliminating efficacy further to improve.
In addition, freezer of the present invention by bactericidal device being configured in the position that is difficult for influencing the wind path impedance, is kept the cycle efficieny of cold air, and a plurality of light emitting diodes are used for exciting of catalyst, thereby can carry out degerming and deodorizing to the cold air that in freezer, circulates expeditiously.In addition, because the effect that a plurality of light emitting diodes cause atmosphere temperature to improve can prevent effectively that bactericidal device from producing dewfall, can suppress the reduction of degerming, deodorizing capability.
In addition, freezer of the present invention to be by holding body and shine exciting light obliquely with respect to carrying, thereby can not increase irradiation means and carry degerming and the deodorizing of carrying out cold air in the less space of the distance of holding body expeditiously.
In addition, freezer of the present invention can improve the free degree that bactericidal device is provided with, and can realize the inhibition of wind path impedance increase and the raising of bacteria-eliminating efficacy.
In addition, freezer of the present invention can carry out degerming and deodorizing to the cold air that circulates expeditiously by controlling the irradiation period based on the exciting light of irradiation portion in freezer.
Description of drawings
Fig. 1 is the partial longitudinal section figure that expression possesses the freezer of existing bactericidal device.
Fig. 2 is the front elevation of the freezer of embodiments of the present invention 1.
Fig. 3 is the longitudinal section of the freezer of embodiment 1.
Fig. 4 is as the figure of the pipeline configuration of the part of the circulating path of cold air in the expression embodiment 1.
Fig. 5 is the front synoptic diagram that carries the allocation position of holding body and irradiation means of expression embodiments of the present invention 2.
Fig. 6 is that possessing of embodiment 2 carried the longitudinal section that the refrigerating chamber of holding body and irradiation means is used discharge line.
Fig. 7 is the longitudinal section of the freezer of embodiments of the present invention 3.
Fig. 8 is the figure as the pipeline configuration of the part of the circulating path of cold air of expression embodiment 3.
Fig. 9 is the stereogram of bactericidal device under the state that is installed in freezer of expression embodiment 3.
Figure 10 (a) is the sectional view of installation pattern of the bactericidal device of expression embodiment 3, and Figure 10 (b) is that other of expression bactericidal device installed the sectional view of pattern.
Figure 11 is the stereogram of other patterns of the bactericidal device of expression embodiment 3.
Figure 12 is the figure with the bactericidal device of the STA representation embodiments of the present invention 4 after the part of the inboard wall of excision refrigerating chamber.
Figure 13 is the sectional view of other patterns of the bactericidal device of expression embodiment 4.
Figure 14 is the longitudinal section of the freezer of embodiment 5.
Figure 15 is the figure as the pipeline configuration of the part of the circulating path of cold air of expression embodiment 5.
Figure 16 is the partial front figure of structural outline of the bactericidal device that is installed on vegetable compartment of expression embodiment 5.
Figure 17 is the partial front figure of the pattern of odor removal filter expression embodiments of the present invention 6, that be installed on refrigerating chamber usefulness Returning pipe.
Figure 18 is the longitudinal section of part shown in Figure 17.
Figure 19 be expression in the embodiments of the present invention 7, as the figure of the structure of the pipeline of the part of the circulating path of cold air.
Figure 20 is the stereogram of bactericidal device under the state that is installed in freezer of expression embodiment 7.
Figure 21 (a) is first sectional view of installation pattern of the bactericidal device of expression embodiment 7, and Figure 21 (b) is second sectional view of the installation pattern of expression bactericidal device, and Figure 21 (c) is the 3rd sectional view of the installation pattern of expression bactericidal device 200.
Figure 22 (a) is the figure that first under the situation in the pipeline that bactericidal device is arranged at of expression in the embodiment 8 is provided with the example of position, Figure 22 (b) is that expression is arranged at the figure that second under the situation in the pipeline is provided with the example of position with bactericidal device, and to be expression be arranged at the figure that the 3rd under the situation in the pipeline is provided with the example of position with bactericidal device to Figure 22 (c).
Figure 23 is the figure that expression only a part of light sources embodiment 8, in a plurality of light sources are present in the example that the position is set of the bactericidal device under the situation in the pipeline.
Figure 24 is the figure of the structural outline of the bactericidal device under the situation of expression light source embodiment 8, that brightness is the high central authorities that are configured in light source row.
Figure 25 is the figure of the structural outline of the bactericidal device under the situation of expression light source embodiment 8, that brightness is the low central authorities that are configured in light source row.
Figure 26 is that expression direction of illumination embodiment 8, exciting light is with respect to carrying the light source of holding under the vertical situation of body and carrying the allocation plan of holding body.
Figure 27 is that expression direction of illumination embodiment 8, exciting light is with respect to carrying the light source under the situation of holding the body inclination and carrying the allocation plan of holding body.
Figure 28 is that the direction of illumination of expression exciting light is held body with respect to carrying, and light source down, carry hold body under the situation of last upper and lower relation light source and carry the allocation plan of holding body.
Figure 29 (a) is the figure that example is set of the reflecting plate of expression embodiment 8, and Figure 29 (b) is the figure that expression utilizes the state that excites reflection of light that reflecting plate carries out.
Figure 30 (a) is the figure of first example of lighting control of the light source of expression embodiment 9, and Figure 30 (b) is the figure of second example of lighting control of expression light source, and Figure 30 (c) is the figure of the 3rd example of lighting control of expression light source.
Figure 31 is the stereogram of the bactericidal device 200 under the state of representing in the embodiment 10 that is installed on freezer.
Figure 32 is the sectional view of the installation pattern of the bactericidal device in the expression embodiment 10.
Figure 33 is the stereogram of other installation patterns of the bactericidal device in the expression embodiment 10.
Figure 34 is the sectional view as the air cleaning unit of the part of bactericidal device of expression among the embodiment.
Figure 35 is the sectional view of the indoor set of the air conditioner among the expression embodiment.
Figure 36 is the sectional view of the air cleaning unit among the expression embodiment.
Symbol description
100 freezers
101 heat insulating boxes
102 refrigerating chambers
103 refrigerating chambers
104 vegetable compartment
105 ice-making compartments
106 switch the chamber
107 insulated doors
108 cold chamber drawer doors
109 vegetable compartment drawer doors
110 ice-making compartment drawer doors
111 switch the chamber drawer door
112a first top part
112b second top part
113 recesses
114 compressors
115 cooling chambers
120 evaporimeters
121 cooling fans
122 control substrates
123 ice-making compartment windscreens
124a ice-making compartment discharge line
124b ice-making compartment Returning pipe
125 refrigerating chamber air doors
126 switch the chamber air door
127 motor section
128 pairs of windscreens
129a refrigerating chamber discharge line
129b refrigerating chamber Returning pipe
130 outlets
131 reclaim mouth
132,217 light sources
133 transparent members
135a, 135b odor removal filter
136 outlets
200,210,301 bactericidal devices
201, held body in 302 years
202 irradiation means
203 depressed parts
204 bifurcations
The 204a lateral
205 cap assemblies
The 205a ora terminalis
206,303 support units
207 intercommunicating pores
208 projections
209 luffer boards
211 double casing parts
212 light source cover parts
215 reflecting plates
216 screws
220 ventilation fans
221 suck fan
222 discharge fan
250 casings
255 supply units
258 air cleaning units
259 air conditioners
260 coolers
261 cooling fans
262 wind direction shutters
300a, 300b, 300c, 310 illuminators
The specific embodiment
Below, with reference to accompanying drawing, the embodiment of freezer of the present invention is described.
(embodiment 1)
Fig. 2 is the front elevation of the freezer 100 of embodiments of the present invention 1.
As shown in Figure 2, the freezer 100 of present embodiment is for to have the freezer 100 that splits around the formula door, has to be divided into a plurality of storerooms in heat insulating box 101.
Be divided into a plurality of storerooms in the freezer 100, be called as refrigerating chamber 102, ice-making compartment 105, be set up in parallel and can change switching chamber 106, vegetable compartment 104 and the refrigerating chamber 103 etc. of the temperature in the storehouse with ice-making compartment 105 according to its function (chilling temperature).
In the front openings portion of refrigerating chamber 102, be provided with revolving insulated door 107, wherein foam filled have a for example such foamed heat-insulating material of urethanes.
In addition, the front openings portion at ice-making compartment 105, switching chamber 106, vegetable compartment 104 and refrigerating chamber 103 is provided with insulated door respectively.
Particularly, possess cold chamber drawer door 108, vegetable compartment drawer door 109, ice-making compartment drawer door 110 and switching chamber drawer door 111.By these insulated doors that each storeroom is airtight, make cold air can not reveal.
Fig. 3 is the longitudinal section of the freezer 100 of present embodiment, the state after the cutting off with the A-A line in its presentation graphs 2.
Heat insulating box 101 is to fill the heat-barrier material of hard foamed urethanes for example etc. and the casing that forms between outer container and interior case.This heat insulating box 101 makes heat insulating box 101 inside with respect to heat insulation on every side.
Refrigerating chamber 102 is to be maintained to be used for stored refrigerated and not by the storeroom of the low temperature of freezing degree.As the lower limit of concrete temperature, be set to 1 ℃～5 ℃ usually.
Refrigerating chamber 103 is for being set at the storeroom of cryogenic temperature band.Particularly, be set to-22 ℃～-18 ℃ usually for freezing preservation.But,, the situation of the low temperature that is set to-30 ℃ or-25 ℃ is for example arranged also in order to improve the state of freezing preservation.
Ice-making compartment 105 is that portion is provided with ice machine (not shown) and by ice-maker makes ice and preserve the storeroom of this ice within it.In addition, ice-making compartment 105 is not shown among Fig. 3, but it is present in the inboard (with reference to Fig. 2) of switching chamber 106 in Fig. 3.
The top part of heat insulating box 101 forms recess 113 to constitute step-like mode towards the back side of freezer 100 direction, has the first top part 112a and the second top part 112b.
This step-like recess 113 is except that compressor 114, carry out also taking in the on high-tension side component parts in the cooling body of realizing freeze cycle the drier (not shown) that moisture removes etc.
That is, the recess 113 of configuration compressor 114 is to form by the rear area that is absorbed in the topmost in the refrigerating chamber 102.Therefore, in the storeroom rear area of the foot of the general heat insulating box 101 of prior art, do not dispose compressor 114.
The back side in refrigerating chamber 103 and vegetable compartment 104 is provided with cooling chamber 115 with the state of crossing over two Room.Cooling chamber 115 is by separating with respect to refrigerating chamber 103 and vegetable compartment 104 as first separating part 116 with thermal insulation of partition wall.In addition, between refrigerating chamber 103 and vegetable compartment 104, dispose second separating part 117 with thermal insulation as heat insulation partition wall.
First separating part 116 and second separating part 117, owing to be after heat insulating box 101 foaming, to be assembled in the parts of heat insulating box 101, so use expanded polystyrene (EPS) as heat-barrier material usually.
In addition,, also can use hard foamed urethanes, further also can insert the vacuum heat-insulation parts of high thermal insulation, realize the slimming more of separation structure in order to improve heat-proof quality and rigidity.
In addition, as the ice-making compartment 105 of configuration arranged side by side and switch chamber 106 top part the 3rd separating part 118 and as the 4th separating part 119 of bottom surface sections, integrally formed by the foamed heat-insulating material identical with heat insulating box 101.
Cooling chamber 115 constitutes the part of cooling body, possesses the evaporimeter 120 of finned tube (fin-and-tube) formula as representational structure.In addition, cooling chamber 115 is crossed over refrigerating chamber 103 and vegetable compartment 104 configuration lengthways on above-below direction.
But cooling chamber 115 disposes according to its area relative with vegetable compartment 104 mode littler than the area relative with refrigerating chamber 103.This is because cooling chamber 115 temperature in freezer 100 is minimum, so above-mentioned configuration is in order to reduce the influence of this low-temperature condition to vegetable compartment 104.
Upper space at evaporimeter 120 disposes cooling fan 121.Cooling fan 121 blows the cold air by evaporimeter 120 coolings, and the mandatory cold air that makes circulates cold air in each storeroom convection current in freezer 100.
Be formed with the circulating path of cold air forced circulation in freezer 100 inside.Particularly, cold air by evaporimeter 120 coolings forms ventilation state forcibly by cooling fan 121, and be transported to each chamber by the pipeline that is arranged between each storeroom and the heat insulating box 101, and each chamber is cooled off, Returning evaporimeter 120 by intake line.
In addition, the cooling fans 121 that cycles through of this cold air carries out.
Fig. 4 be expression embodiment 1, as the figure of the pipeline configuration of the part of the circulating path of cold air.
As shown in Figure 4, in freezer 100, the refrigerating chamber 102, vegetable compartment 104 circulating paths that exist the higher cold air of temperature to circulate; Ice-making compartment 105 circulating paths that circulate with the lower cold air of temperature, refrigerating chamber 103 circulating paths, switch chamber 106 circulating paths.
At first, refrigerating chamber 102, vegetable compartment 104 circulating paths are described.
Utilize the cold air of evaporimeter 120 coolings to be sent to refrigerating chamber 102 by refrigerating chamber with discharge line 129a by cooling fan 121.Refrigerating chamber is an example of the pipeline that being used in the freezer of the present invention makes circulating cold air with discharge line 129a.
But, utilize the Quilt with air conditioning of evaporimeter 120 coolings to be cooled to fully to tackle the temperature of refrigerating chamber 103.Therefore, if continue air-supply with the lower cold air state of temperature to refrigerating chamber 102, then refrigerating chamber 102 meeting temperature are low excessively.
Therefore, on the circulating path of the cold air that comprises refrigerating chamber 102, be provided with the two windscreens put into (twin damper) 128 that to control cold air.By the cold air of evaporimeter 120 cooling to put into (ON of the circulation of cold air and OFF) controlled by two windscreens 128, and be not always to circulate in 104 paths in refrigerating chamber 102, vegetable compartment.
In addition, when freezer 100 integral body fully turned cold, the rotation of cooling fan 121 stopped, and the circulation of cold air also stops.At this moment, cool cycles, be that compressor 114 etc. also stops.
By the cold air of evaporimeter 120 cooling, pass through at refrigerating chamber upward from the below according to above-mentioned control, via at the outlet 130 of refrigerating chamber 102 upper openings and to refrigerating chamber 102 discharges with discharge line 129a.
The cold air that passes through in refrigerating chamber 102 is inhaled into the recovery mouth 131 in the lower openings of refrigerating chamber 102.Then, being inhaled into the cold air that reclaims mouth 131 discharges to vegetable compartment 104.At last, the Returning evaporimeter 120 once more of the cold air by vegetable compartment 104.More than be refrigerating chamber 102, vegetable compartment 104 circulating paths of cold air.
In addition, the circulation of cold air is also controlled by intermittently controlling the windscreen of discharging cold air in ice-making compartment 105, switching chamber 106, thereby the temperature of each chamber is controlled.In addition, be equipped with the temperature sensor (not shown) of control storehouse temperature respectively in refrigerating chamber 102, ice-making compartment 105 and switching chamber 106, control the switching of windscreen by the control substrate 122 (with reference to Fig. 3) that is installed on freezer 100 back sides.
That is,, under than the low situation of second temperature, windscreen is closed, storehouse temperature is adjusted to the temperature of regulation when temperature sensor makes under than the high situation of predefined first temperature windscreen open.
Intermittently controlling cold air is set at cooling chamber 115 internal upper parts to the ice-making compartment of the inflow of ice-making compartment 105 with windscreen 123.Be constructed as follows described pipeline configuration, that is: the cold air that blows from cooling fan 121 is discharged in ice-making compartment 105 with discharge line 124a with windscreen 123 and ice-making compartment by ice-making compartment, after heat exchange, via ice-making compartment Returning pipe 124b Returning evaporimeter 120.
Two windscreens 128 possess makes refrigerating chamber that cold air flows into off and on to refrigerating chamber 102 with air door (flap) 125 with make cold air to switching switching chamber that chamber 106 flows into off and on air door 126, in addition, also is provided with the motor section 127 of driving air door integratedly.Two windscreens 128 are set at ice-making compartment 105 and switch near the back side of chamber 106.
In addition, in the present embodiment, refrigerating chamber with in the discharge line 129a, as outlet 130 near the discharge portion of part, possess to carry and hold body 201 and the irradiation means 202 that on the position relative, disposes with year holding body 201.
Carrying that to hold body 201 be to carry the parts of holding as the titanium oxide of photochemical catalyst, also is the parts as deodorizing and sterilizing filter performance function.In addition, irradiation means 202 possesses UV-LED, this UV-LED be produce 380nm UV light and as the light emitting diode of the exciting light of exciting light catalyst.
The below explanation action and the effect of the freezer 100 of formation as mentioned above.
The action of freeze cycle at first, is described.According to the temperature that sets in each storeroom, make the freeze cycle action cool off running by signal from control substrate 122.Condensing liquefaction enters capillary (not shown) to the cold-producing medium of the HTHP that the action by compressor 114 is discharged from by condenser (not shown) heat radiation.
Afterwards, cold-producing medium carries out heat exchange with suction line (not shown) to compressor 114 in capillary, and is depressurized simultaneously and forms the liquid refrigerant of low-temp low-pressure, arrives evaporimeter 120.By the action of cooling fan 121, the air in cold-producing medium and each storeroom carries out heat exchange, and the cold-producing mediums evaporation gasification in the evaporimeter 120 is supplied with control by windscreen etc. to the cold air of low temperature, thereby carried out the desirable cooling of each chamber.The cold-producing medium that comes out from evaporimeter 120 is inhaled into compressor 114 via suction line.
Then, deodorizing and the degerming functions and the effect thereof of holding body 201 and irradiation means 202 of carrying is described.
Hold body 201 with discharge line 129a by carrying with air door 125 and refrigerating chamber by refrigerating chamber from the cold air that contains foul smell and bacterium that cooling fan 121 blows, in refrigerating chamber 102, discharge from outlet 130.At this moment, the foul smell composition that comprises in the cold air, bacterium are carried holds body 201 seizure.
Then, utilize the luminous energy of the ultraviolet light that sends from the light source of irradiation means 202, carry the titanium oxide of holding body 201 surfaces and be excited, produce the OH free radical, carry out being carried the oxidation Decomposition of holding the foul smell composition that body 201 catches and the bacteriolyze of bacterium from airborne moisture.Thus, the cold air that blows out from outlet 130 becomes and is blown out in the storehouse by the cold air of the cleaning of deodorizing and degerming.
On the other hand, cold-producing medium by heat exchange after, via refrigerating chamber with Returning pipe 129b and Returning evaporimeter 120.In addition, the cold air that blows from cooling fan 121 is by switching the chamber with air door 126 with switch the chamber and discharge with discharge line and in switching chamber 106, by heat exchange after use Returning pipe and Returning evaporimeter 120 by switching the chamber.
As mentioned above, the freezer 100 of present embodiment is held carrying of photochemical catalyst and holds body 201 and be configured in the discharge portion of refrigerating chamber with discharge line 129a carrying, will be to carrying the irradiation means 202 of holding body 201 irradiation exciting lights and year holding body 201 relative configurations.
Thus, can before cold air blows out in the storehouse, make to be carried and hold foul smell composition and the bacterium that body 201 catches and be decomposed, the cold air that blows out in the storehouse is always kept clean by the photochemical catalyst reaction.
(embodiment 2)
Then, use Fig. 5 and Fig. 6 that embodiments of the present invention 2 are described.
In addition, there is the situation of omitting its explanation in the identical symbol of structure mark about identical with the embodiment that illustrates previously.About other embodiments, also be same.
The basic structure of the freezer 100 of embodiment 2 is identical with the freezer 100 of embodiment 1.But, owing to carry the allocation position difference hold body 201 and irradiation means 202, so be that the center describes with their allocation position.
Fig. 5 is the front synoptic diagram that carries the allocation position of holding body 201 and irradiation means 202 of expression embodiments of the present invention 2.
Fig. 6 be expression embodiments of the present invention 2, possess and carry the refrigerating chamber hold body 201 and irradiation means 202 longitudinal section with discharge line 129a.
In Fig. 5, refrigerating chamber has the wind path structure that outlet 130 is configured in the T font of side on the top of refrigerating chamber 102 with discharge line 129a.
As shown in Figure 5, refrigerating chamber is under the situation of T font with discharge line 129a, rise in discharge line 129a at refrigerating chamber by the cold air of evaporimeter 120 cooling, collide the discharge line 129a of the refrigerating chamber about directional steering with the upper surface of discharge line 129a with refrigerating chamber.
Promptly, possess to carry and hold carrying of silver oxide and hold body 201, make the air-flow of cold air contact with the pipeline wall, the air-flow that above-mentioned pipeline wall is a cold air is by from the below above-below direction upward of the refrigerating chamber 102 pipeline wall to the position of the left and right directions warpage of refrigerating chamber 102.
The air-flow of this cold air position of direction warpage to the left and right be refrigerating chamber with the upper surface of discharge line 129a is the example at position of the circulating direction conversion of the above-mentioned cold air in the circulating cold air path.
In addition, carry and to hold body 201 and hold body 201 for carrying flat year of holding photochemical catalyst, its with the normal of the wide face of area be configured towards the parallel mode of the circulating direction of the cold air of year holding body 201.
The light source of irradiation means 202 is the blue led that sends the light of 470nm wavelength region may.Irradiation means 202 be formed at refrigerating chamber hold with carrying of discharge line 129a body 201 below recess with year hold body 201 relative configurations.
Refrigerating chamber around the irradiation means 202 is formed by transparent member 133 with discharge line 129a wall, constitutes from the light of the light source of irradiation means 202 structure to year holding two side's irradiates lights in body 201 and refrigerating chamber 102 storehouses.
The below explanation action and the effect thereof of the freezer 100 of formation as mentioned above.
The cold air that contains foul smell composition and bacterium flows in discharge line 129a upward at refrigerating chamber, holds body 201 with carrying of the end of discharge line 129a and collides with being arranged on refrigerating chamber, is varied to the air-flow of the cold air of vortex etc.Thus, cold air carries with various angle contacts and holds body 201 surfaces.
Consequently, improve, so foul smell composition in the cold air and bacterium are held the catch rate that body 201 is captured and also improve by carrying owing to carry the ratio that contacts hold body 201 and cold air.Carried and to be held foul smell composition that body 201 catches and bacterium by based on the oxidation Decomposition of carrying the silver oxide of holding body 201 and antibacterial action and by deodorizing and degerming.
In addition, hold body 201 irradiation exciting lights by blue led to carrying as the light source of irradiation means 202, thereby the silver oxide that has absorption spectrum in the wavelength region may of blue light excites by the light energy of blue light, become and have photocatalyst activity, pass through the strong oxidation reaction and the bacteriolysis of the OH free radical that produced, carry out deodorizing and degerming strong.
In addition, because as being covered by the cover of transparent member 133 around the blue led of the light source of irradiation means 202, so to two side's irradiates lights in the storehouse of carrying the surface of holding body 201 and refrigerating chamber 102.
As mentioned above, the freezer 100 of present embodiment 2, by refrigerating chamber with the joggling part wall of the T font of discharge line 129a on configuration carry and to hold body 201, thereby carry and to hold body 201 and do not constitute the wind path impedance, and make that carrying the ratio that contacts of holding body 201 and cold air improves, so can have high deodorizing and degerming performance.
In addition, in the freezer 100 of present embodiment 2, use silver oxide, and use blue light as light source as photochemical catalyst.Owing to be in the freezer 100 under the slow low temperature environment of the reproduction speed of microorganism, even so longer and more inexpensive blue led of life-span, also can give full play to the photochemical catalyst effect, cold air is carried out degerming by the photocatalyst activity that blue light is had the silver oxide of a little absorption spectrum.
In addition, refrigerating chamber is made of transparent member 133 with the part of the wall of discharge line 129a, disposes irradiation means 202 at the inside-of-refrigerator of refrigerating chamber 102.Thus, irradiation means 202 is also used as the storehouse intraoral illumination and the excitation source that carries the photochemical catalyst of holding body 201 in the refrigerating chamber 102.
That is, a light source can be used for carrying exciting of the photochemical catalyst hold body 201, and simultaneously also can be as the illumination utilization in the freezer.Therefore, also can realize the space savingization that freezer is interior.
In addition, in present embodiment 2, be that the situation of T font is illustrated with discharge line 129a, but it also can access identical effect under the situation of L font about refrigerating chamber.
Possess in the above-mentioned invention: have the heat insulating box of storeroom, with the pipeline of force air circulation, have the irradiation means of holding body and shining above-mentioned photochemical catalyst of carrying of photochemical catalyst, will hold the discharge portion that body is configured in above-mentioned pipeline in above-mentioned year.
Thus, before cold air blows in to freezer, carried and hold foul smell composition and the bacterium that body catches and be decomposed by the photochemical catalyst reaction, better high-quality freezer of property easy to use cold air to blowing in the freezer always kept clean, so can be provided.
In addition, above-mentioned irradiation means with held body in above-mentioned year and have the distance of regulation and relative configuration.
Thus, by irradiation means is held body and only separated with predetermined distance with carrying, thereby the illumination that can enlarge irradiation means is mapped to the area of year holding body, can have the photocatalyst activity in the wide region more.
In addition, the discharge portion of above-mentioned pipeline has elbow (エ Le ボ; Elbow) portion held body in above-mentioned year in the pipeline wall configuration of above-mentioned elbow portion.Particularly, refrigerating chamber is an example of elbow portion with the part of the stream warpage that makes cold air of discharge line 129a.
Thus, with vertically the disposing to carry with respect to wind direction and hold body and compare of prior art, under the state of the pressure loss that suppresses wind path, the air-flow of the cold air in the wind path changes and confusion reigned in elbow portion.Thus, increase in the holdup time of carrying the cold air of holding the surface that is disposed at elbow portion.Therefore, carry the photochemical catalyst hold on the body and the frequency that contacts of cold air and improve, consequently, can improve the photochemical catalyst reaction.
In addition, holding body in above-mentioned year is the structure that is configured in the pipeline wall relative with wind direction of above-mentioned elbow portion.
Thus, whole cold air is held the body collision in discharge portion with carrying in the wind path, holds the turbulent flow that body the place ahead produces cold air carrying, and increases carrying the holdup time of holding the surface.Thus, carry the photochemical catalyst hold on the body and the frequency that contacts of cold air and improve, the result can improve the photochemical catalyst reaction.
In addition, holding body in above-mentioned year selects for use the deodorizing that the air in the freezer is carried out deodorizing to carry to hold body.
Thus, the foul smell composition that is contained in the cold air is carried by deodorizing hold the body deodorizing, will not have the cold air of foul smell in freezer, to blow.
In addition, holding body in above-mentioned year selects for use and the air in the storehouse is carried out carrying of degerming holds body.
Thus, can make the bacterium that is contained in the cold air hold body and be captured by carrying, the OH free radical that produces by the activation that utilizes photochemical catalyst carries out bacteriolyze, will be blowed in the storehouse by the cold air of the cleaning of degerming.
In addition, above-mentioned photochemical catalyst is selected silver oxide for use.
Thus, can when the non-irradiation of light, also utilize the decomposition of effect performance foul smell, the antibacterial action of silver oxide, when penetrating, illumination further utilize photochemical catalyst to react the OH free radical that produces by silver oxide, carry out deodorizing and degerming strong, and can improve the long lifetime and the energy-saving effect of irradiation means.
In addition, above-mentioned irradiation means has the light source of light of the wavelength region may of the wavelength that comprises ultraviolet region or blue light.
Owing to be in the freezer under the slow low temperature environment of the reproduction speed of microorganism, even so longer and more inexpensive blue led of life-span, utilize not only in the ultraviolet light zone but also also have the photocatalyst activity of the silver oxide of a little absorbing wavelength in region of blue light, can give full play to the photochemical catalyst effect, cold air is carried out degerming.
In addition, a part that forms the pipeline wall of above-mentioned discharge portion is made of transparent member, in the above-mentioned irradiation means of the inboard configuration of the above-mentioned freezer of above-mentioned transparent member, above-mentioned irradiation means is also used as the storehouse intraoral illumination in the above-mentioned refrigerating chamber and held the excitation source of the photochemical catalyst of body in above-mentioned year.
Thus, can be with a light source as carrying exciting of the photochemical catalyst hold body, and also can be utilized simultaneously as the illumination in the storehouse, so can realize space savingization in the freezer.
In addition, the freezer 100 of present embodiment is as other forms of expression, possesses to carry at the position that the circulating direction of cold air changes and holds body 201.Thus, can realize carrying the raising of the contact rate of holding body 201 and cold air.
Particularly, because part at the circulating direction of changing cold air, the air-flow of the cold air in the wind path changes and produces turbulent flow, so hold body 201 by carrying in this part configuration, hold the circulating direction conversion that body 201 makes cold air energetically by carrying, thereby can increase in the holdup time of carrying the cold air of holding body 201 surfaces.Therefore, carry the photochemical catalyst hold on the body 201 and the frequency that contacts of cold air and improve, the result can improve the photochemical catalyst reaction.
Particularly, carry and to hold the position that circulating direction that body 201 and irradiation means 202 be configured in the above-mentioned cold air in the circulating cold air path changes, carry and to hold body 201, according to the normal that is contained in the wider face of area towards the parallel part of the circulating direction that carries the cold air of holding body 201.
Thus, carry hold body 201 near the delay of generation cold air, carry the contact rate of holding body 201 and cold air and improve.As a result, can improve the bacteria-eliminating efficacy of cold air.
(embodiment 3)
Then, use Fig. 7～Figure 11 that embodiments of the present invention 3 are described.
Fig. 7 is the longitudinal section of the freezer 100 of embodiment 3.
In addition, the freezer 100 of embodiment 3 is identical in appearance with the freezer 100 of embodiment 1.
That is, front elevation is identical with the freezer 100 of embodiment 1 shown in Figure 2, and Fig. 7 is equivalent to the cross section that cuts off along the A-A line of Fig. 2.
As shown in Figure 7, the sectional view of the longitudinal section of the freezer 100 of embodiment 3 and freezer 100 shown in Figure 3 is roughly the same, and the configuration structure of each storeroom and function are also as using Fig. 3 illustrated.
But, the freezer 100 of embodiment 3, carry in holding body 201 and irradiation means 202 being configured in freezer 102 different with the freezer 100 of embodiment 1 on this point.
Particularly, under the situation of present embodiment, have and carry the bactericidal device 200 hold body 201 and irradiation means 202 and be configured in the freezer 102.
Fig. 8 is the figure as the pipeline configuration of the part of the circulating path of cold air of expression embodiment 3.
As the circulating path of the cold air of embodiment 3, with embodiment 1 similarly, have refrigerating chamber 102, vegetable compartment 104 circulating paths; Ice-making compartment 105 circulating paths; Refrigerating chamber 103 circulating paths; With switching chamber 106 circulating paths.
In addition, about the air-flow of the basic cold air of these circulating paths in separately, as using the explanation that Fig. 4 carried out, omit its explanation.
But, under the situation of present embodiment, except that via outlet 130 to the path of the cold air that refrigerating chamber 102 is discharged, there is path as described below, they are different with embodiment 1, that is: Yi Bufen cold air is imported into bactericidal device 200 in branch before outlet 130 discharges, is discharged to refrigerating chamber 102 afterwards, and returns refrigerating chamber 102, vegetable compartment 104 circulating paths.Individual path about the part of the circulating path that constitutes this cold air is set forth later.
Then, bactericidal device 200 is described.
Fig. 9 is the stereogram of the bactericidal device 200 under expression state embodiment 3, that be installed on freezer 100.
The bactericidal device 200 of present embodiment is to force degerming to being present in bacterium in the cold air, spore etc., and the organic substance that is present in the cold air is decomposed, and also can realize the device of deodorizing.Bactericidal device 200 is equipped with to carry and holds carrying of photochemical catalyst and hold body 201 and the exciting light that excites above-mentioned photochemical catalyst is shone the irradiation means 202 of holding body in above-mentioned year.
Carry and to hold the serve as reasons resin system that can constitute with the porous material that cold air contacts morely of body 201 and carry and hold body, it is to rub into the fiber entanglement (Network body that photochemical catalyst is arranged to close ぅ) structure of the filter shape that forms.In addition, the resin that adopts the light of easy exciting light catalyst to see through as the resin of base material.
Photochemical catalyst is the light of the wavelength by illuminated regulation, and can carry out degerming and can make foul smell composition (organic substance etc.) oxidation in the cold air or decomposition etc. and the catalyst of deodorizing the bacterium in the cold air.
In addition, photochemical catalyst is considered to make the composition activation (for example ionization or free radicalization) in the cold air, in view of the above and the material that carries out degerming or deodorizing.Particularly, as photochemical catalyst, can exemplify silver oxide, titanium oxide.
In order to make the blue region of the required light wavelength of function such as silver oxide performance degerming for the visible light of about 400nm～580nm degree.In addition, be 380nm for making the necessary light wavelength of function such as titanium oxide performance degerming.
Irradiation means 202 is for having the device of light source 132, and above-mentioned light source 132 can be launched the light that comprises wavelength that can the exciting light catalyst.
As long as light source 132 is the light sources that can send the light of the light wavelength that comprises above-mentioned wavelength with ormal weight, can exemplify ultraviolet lamp or common bulb etc.
In addition, photochemical catalyst is under the situation of silver oxide, and the LED of blue light (470nm) that sends the visible region by employing is as light source 132, thereby can realize long lifetime, cost degradation.In addition, photochemical catalyst is under the situation of titanium oxide, also can adopt the UV (Ultraviolet: the ultraviolet ray) UV-LED of light that sends 380nm.
Under the situation of present embodiment, adopt silver oxide, as the light source 132 employing LED of irradiation means 202 as photochemical catalyst.In addition, adopt the irradiation means that on elongated substrate, disposes three LED side by side as irradiation means 202.Below this substrate is called by " LED substrate ".
In addition, irradiation means 202 also can be made of a plurality of LED substrates.But, shown in present embodiment, by constituting irradiation means 202, thereby can reduce the component count of bactericidal device 200 by a LED substrate.
Then, specify the installation pattern of bactericidal device 200 to freezer 100.
Figure 10 (a) is the sectional view of installation pattern of the bactericidal device 200 of expression embodiment 3.
Shown in Fig. 9, Figure 10 (a), be between the outlet 130 in the upper end of freezer 102, be provided with the depressed part 203 of front openings.Depressed part 203 is set at the place ahead of the step-like recess 113 that compressor 114 grades are installed.
This part be for can not constituting the idle space of accommodation space, by being provided for installing the depressed part 203 of bactericidal device 200 in this part, thereby can not wasting the accommodation spaces in the refrigerating chamber 102 and bactericidal device 200 is installed.
In the two side of depressed part 203, be provided with the bifurcations 204 that the cold air branch is drawn.By this bifurcations 204, shown in the arrow of Figure 10 (a), the part of the cold air of discharging to refrigerating chamber 102 is imported into bactericidal device 200.
Irradiation means 202 is arranged on the inboard wall of depressed part 203, and each LED i.e. three light sources 132 is buried underground in horizontal mode arranged side by side.In addition, irradiation means 202 can be configured towards the mode that carrying of the place ahead held body 201 irradiations according to the light of light source 132.
In addition, the light projector direction of light source 132 has directive property, and, with the solid angle expansion of regulation.Therefore, light source 132 and carry the distance that the distance of holding body 201 is set to regulation.
The front openings portion of depressed part 203 is covered by the cap assembly 205 with heat-proof quality.Cap assembly 205 is the plate-shaped member to the direction bulging of refrigerating chamber 102 crooked (curve).
In addition, shown in Figure 10 (a), the part of cap assembly 205 its middle bodies is outstanding from the inboard wall front (chain-dotted line the figure) of refrigerating chamber 102.By the bending of this cap assembly 205, between the inboard wall front of refrigerating chamber 102 and cap assembly 205, produce the gap.This gap is formed on the intercommunicating pore 207 that is communicated with bactericidal device 200 inside and refrigerating chamber 102 on the above-below direction.
That is, in freezer 100, possess with refrigerating chamber 102 inner with contain the intercommunicating pore 207 that the interior volume of year holding body 201 and irradiation means 202 is communicated with.
By this intercommunicating pore 207, the cold air that is imported into depressed part 203 is discharged from intercommunicating pore 207.In addition, stop at cooling fan 121, do not carry out under the situation of forced circulation of cold air, by the free convection of the cold air in the refrigerating chamber 102, the cold air in the refrigerating chamber 102 are by intercommunicating pore 207 bactericidal device 200 inside of coming in and going out.
The ora terminalis 205a of the top of cap assembly 205 and the ora terminalis 205a of below constitute translucent ground glass shape, from the part of the light of light source 132 and the reverberation of bactericidal device 200 internal reflections by the ora terminalis 205a above the cap assembly 205 and below ora terminalis 205a and spill to the outside.
That is, a plurality of light sources 132 also can play the effect of the illumination in the refrigerating chamber 102.
Therefore, by cap assembly 205 is set, thereby prevent air outside directly contact carry and hold body 201 or irradiation means 202, avoid dewfall to produce.In addition, according to the heat-proof quality of cap assembly 205, also can prevent the dewfall of cap assembly 205 self.
Carry and to hold body 201 and be maintained at from the back side of cap assembly 205 front end of the outstanding support unit 206 that is provided with rearward.Carry and to hold body 201 and constitute vertical mode, and be held from the mode that the light of light source 132 shines expeditiously with the relative and quilt of the face of area maximum and irradiation means 202 with the face of area maximum.
Thus, carry and to hold body 201 and present the skyborne state that suspends substantially, can make and carry the almost whole area of holding body 201 and contact with cold air.In addition, by contacting with miscellaneous part, thereby preventing from as far as possible to transfer to carry in the dewfall that miscellaneous part produces holds body 201.
In addition, there is no need to form complicated shape, as long as comparing formation support unit 206 on the very small-sized cap assembly 205 with freezer 100 in freezer 100 main bodys.Therefore, can suppress the rising of manufacturing cost.
In addition, carry and hold body 201 and support to carry the front of holding body 201 by the outstanding projections 208 that are provided with in a plurality of back sides at cap assembly 205.
Thus, carry and to hold body 201 and can in cold air, not swing, also can be crooked because of gravity etc.Therefore, can keep to carry and hold the surperficial straight of body 201, can not produce the dash area that the light from irradiation means 202 can not arrive, can excite expeditiously and year be held the photochemical catalyst that body was held in 201 years.
In addition, become vertical owing to carry the face of the area maximum of holding body 201, even so hold under the situation of body 201 dewfall carrying, below the moisture of dewfall on the face of area maximum also can be pulled to by gravity, thereby the area the best part becomes the state of being broken off water.Therefore, can under not by the situation of the moisture effects of dewfall, utilize photochemical catalyst that the cold air that is branched is carried out degerming and deodorizing.
Below, the action and the effect thereof of the freezer 100 of the embodiment 3 that constitutes as mentioned above are described.
In addition, about the action of freeze cycle, because identical,, describe about the function and the effect thereof of bactericidal device 200 so omit explanation with the action of the freezer 100 of embodiment 1.
The cold air that contains foul smell (organic substance etc.) and bacterium that blows from cooling fan 121,, in refrigerating chamber 102, discharge with air door 125 with as the refrigerating chamber discharge line 129a that is used for refrigerating chamber 102 is discharged the circulating cold air pipeline of cold air by refrigerating chamber from outlet 130.
At this moment, a part of branch of cold air is imported into bactericidal device 200 inside.The cold air that is imported into is pasting the face that carries the area maximum of holding body 201 and is passing through.The foul smell composition and the bacterium that are contained in the cold air are carried the surface seizure of holding body 201.
Foul smell composition that is captured and bacterium oxidation Decomposition and the degermation and by silver oxide by deodorizing and degerming.Thus, foul smell decomposes, degermation even also can bring into play by the effect of silver oxide when irradiates light not.Therefore, can guarantee desirable deodorizing and bacteria-eliminating efficacy, reduce the exposure and the time of light simultaneously.Thus, can improve the long lifetime and the energy-saving effect of irradiation means 202.
In addition, by the light energy (blue light or ultraviolet) of shining from the LED as light source 132, the silver oxide that has absorption spectrum in these wavelength region may is excited.That is, carrying the photochemical catalyst of holding body 201 is excited.When photochemical catalyst is excited, then produce the OH free radical from airborne moisture, carry out being carried the oxidation Decomposition of the foul smell composition of holding body 201 seizure and the bacteriolyze of bacterium.
According to foregoing, the cold air that passes through in bactericidal device 200 becomes by the cold air of the cleaning of deodorizing and degerming, is blowed in freezer via intercommunicating pore 207.And, in refrigerating chamber 102 inside, mix with the cold air of discharging from outlet 130, in circulating path, circulate.
In addition, the OH free radical that is generated by bactericidal device 200 also is discharged to refrigerating chamber 102 etc. with cold air, also carries out deodorizing and degerming in refrigerating chamber 102.
In addition, shown in Figure 10 (b), make and carry the face bulging hold body 201 face-offs etc., even cause variation also to have no relations the air-flow or the pressure of cold air.Thus, cold air contacts to carry more holds body 201, can improve bacteria-eliminating efficacy and deodorizing effect.
Other patterns of bactericidal device 200 then, are described.
Figure 11 is the stereogram of other patterns of the bactericidal device 200 of expression embodiment 3.
Light source cover parts 212 are for covering the semicylindrical parts of irradiation means 202 with the air-tight state that does not have the cold air circulation, protection irradiation means 202 makes its not dewfall.The material of light source cover parts 212 is so long as allow to the material that the light of exciting light catalyst can fully see through and get final product.
Owing to utilize this light source cover parts 212, can cover irradiation means 202 fully, so can prevent irradiation means 202 dewfall fully.The light source 132 that can special protection has electric system.
Utilize this double casing parts 211, the hood-shaped one-tenth that covers bactericidal device 210 is double-deck, and is formed with air layer, utilizes this structure can bring into play heat insulating function.Therefore, need not form cap assembly 205 and double casing parts 211, thereby can improve the free degree of the material of selecting cap assembly 205 and double casing parts 211 by the high material of thermal insulation.
For example, the material of cap assembly 205 and double casing parts 211 adopts transparent material, can confirm also from bactericidal device 210 outsides by cap assembly integral body whether irradiation means 202 is luminous.
That is, when opening the insulated door 107 of freezer 100, can see blue light, thereby the display unit that other can be set in addition just can be confirmed the operating state of bactericidal device 210 from the inboard of refrigerating chamber 102.In addition, also can identify freezer 100 by the situation of degerming according to this light, the user that can give freezer 100 is with relieved sense and clean feel.
In addition, under the situation of silver oxide, owing to can adopt long blue led conduct of life-span to excite the light source of usefulness, thus can guarantee stable performance for a long time, and help to reduce cost.
As mentioned above, the present invention is configured in bactericidal device 200 in the circulating cold air path, above-mentioned bactericidal device 200 has to carry holds that carrying of photochemical catalyst held body 201 and to carrying the irradiation means 202 of the exciting light of holding body 201 irradiation exciting light catalyst, thereby the cold air to circulation carries out deodorizing and degerming, so deodorizing and bacteria-eliminating efficacy are spreaded all in the freezer 100 in a big way, can maintain in the freezer 100 with low smelly, degerming state.
In addition, preferred carrying held body 201 and is tabular, and the mode of intersecting according to the circulating direction of the normal 201a (with reference to Fig. 9) of the bigger face of area and cold air is configured.
Thus, can under the state of the wind path impedance of the cold air that be difficult for to improve circulation, carry out degerming.In addition, carry and to hold the face of body 201 and the circulating direction of cold air becomes almost parallel, cold air is pasting to carry and is holding body 201 and pass through, so can guarantee to carry the bigger contact amount of holding between body 201 and the cold air.
In addition, compare, can under the state of the pressure loss that suppresses wind path, carry out degerming with the mode configuration filter vertically to block stream formation mechanism with respect to wind direction of prior art.
Preferred above-mentioned year holds body is tabular, and the face that area is bigger is disposed at vertical.
Thus, hold the surface dewfall, to carry the bottom of holding body because dew is pulled to by gravity even carry, thus can make carry the face of holding body be maintained the state that does not adhere to dew in a big way.Therefore, can suppress the performance that the dewfall of bactericidal device causes as much as possible reduces.
Preferred above-mentioned bactericidal device is installed in the storeroom, has first cap assembly that covers above-mentioned bactericidal device.
Thus, even under the situation in the air inflow freezer that high temperature is wet more, also can protect bactericidal device not influenced by dewfall.
In addition, preferred above-mentioned bactericidal device is installed in the storeroom, has second cap assembly that covers above-mentioned irradiation means.
Thus, can effectively protect the irradiation means that is attended by electric system not influenced by dewfall.
Preferred above-mentioned bactericidal device, dispose between above-mentioned irradiation part and above-mentioned first cap assembly and held body in above-mentioned year, above-mentioned first cap assembly possesses and outstanding be arranged at above-mentioned first cap assembly and support the support unit of holding body in above-mentioned year and with above-mentioned first cap assembly of distance maintaining of regulation and the projection of holding body in above-mentioned year.
Thus, can keep carrying with the skyborne state of suspending and hold body, and can prevent to carry the distortion of holding body etc. by projection.Therefore, hold almost all contacting of body owing to carry, so can improve bacteria-eliminating efficacy with cold air.
Above-mentioned bactericidal device can also possess the 3rd cap assembly that separates predetermined distance with above-mentioned first cap assembly and dispose.
Thus, as the material of cap assembly, can not adopt the material just can bactericidal device is heat insulation with thermal insulation.Therefore, the selected free degree of material of cap assembly can be enlarged, for example also transparent cap assembly can be adopted as cap assembly.
Above-mentioned first cap assembly also can possess the intercommunicating pore with the internal communication of above-mentioned compartment interior and above-mentioned bactericidal device.
Thus, can the cold airflow in the freezer 100 be led in the bactericidal device by free convection.
In addition, shown in Figure 10 (a) etc., in the present embodiment, carry and hold body 201 and be maintained at from the back side of cap assembly 205 front end of the outstanding support unit 206 that is provided with rearward.
Therefore, the freezer 100 of present embodiment disposes bactericidal device 200 in the circulating cold air path, this bactericidal device 200 possesses and carries that body 201 is held in flat year of holding photochemical catalyst and to the irradiation means 202 of carrying the exciting light of holding body 201 irradiation exciting light catalyst, carry and hold body 201, intersect with the circulating direction of cold air with the normal 201a of the bigger face of area, the mode that cold air flows along the two sides disposes, thereby foul smell in the cold air and bacterium are captured.
According to this structure, carry and to hold body 201 and roughly become the skyborne state that suspends, cold air flows along carrying the two sides of holding body 201.Therefore, can make and carry the roughly whole area hold body 201 and contact with cold air.
That is, freezer of the present invention comprises: the heat insulating box that is constituted, formed in inside storeroom by heat-barrier material; Open and close the door body of the peristome that is installed on above-mentioned heat insulating box freely; Cool off the air of above-mentioned heat insulating box and generate the cooling body of cold air; And the above-mentioned cold air circulating cold air path of between above-mentioned storeroom and above-mentioned cooling body, circulating, in above-mentioned circulating cold air path, dispose bactericidal device, above-mentioned bactericidal device possesses to carry to be held that carrying of photochemical catalyst held body and to hold the irradiation means that the body irradiation excites the exciting light of above-mentioned photochemical catalyst to above-mentioned year, held body in above-mentioned year and intersect with the normal of the bigger face of the area circulating direction with cold air, the mode that above-mentioned cold air flows along the two sides is configured.
Thus, because the Quilt with air conditioning deodorizing and the degerming expeditiously of circulation so deodorizing and bacteria-eliminating efficacy are spreaded all in the interior vast scope of freezer, can maintain low smelly, degerming state in the freezer.
In addition, carry the two sides hold body and pass through,, can improve deodorizing and bacteria-eliminating efficacy so can when suppressing the wind path impedance, guarantee to carry the more amount of contact of holding body and cold air owing to cold air is pasting.
(embodiment 4)
Then, other embodiments of the bactericidal device of installing with other patterns with reference to Figure 12 and Figure 13 explanation 200.
In addition, the basic structure of each storeroom of the freezer 100 of present embodiment is identical with the freezer 100 of embodiment 3, omits its explanation.
Figure 12 is the figure with the bactericidal device 200 of the STA representation embodiments of the present invention 4 of the part of the inboard wall of excision refrigerating chamber 102.
As shown in figure 12, bactericidal device 200 is configured in as the refrigerating chamber of the circulating path of the cold air inside with discharge line 129a.
Carry and to hold body 201 and be mounted with standing shape towards the upstream of the circulating direction of cold air, utilize and hold body 201 this year and make the circulating direction of cold air separate conversion, the air-flow of cold air is divided into two.In addition, so-called warpage is to comprise crooked generalized concept in this specification and claims.
The light source 132 that irradiation means 202 is possessed can to carry hold body 201 expeditiously the position configuration of irradiates light have three.These light sources 132 are arranged separately in refrigerating chamber separately with in the discharge line 129a, and do not constitute the ventilation impedance of cold air.
In addition, in the present embodiment, the situation of holding body 201 shunting cold air by carrying has been described, but the present invention is not limited to this.
For example, shown in the sectional view of other patterns of the bactericidal device 200 of the embodiment of representing as Figure 13 4, also can dispose carrying of bended and hold body 201, make cold air change wind path along recess.
Like this, carry and to hold body 201 and be bended, dispose in the mode of the circulating direction of conversion cold air and get final product.
By by carrying the circulating direction hold body 201 conversion cold air, thereby can not sacrifice the wind path impedance, and increase the amount of contact of holding body 201 and cold air of carrying, improve foul smell composition that cold air is contained and deodorizing rate, the degerming rate of bacterium.
Particularly, part at the circulating direction of changing cold air, the variations in flow of the cold air in the wind path and produce turbulent flow, so hold body 201 by carrying in this part configuration, hold the circulating direction that body 201 is changed cold air energetically by carrying, thereby can increase holdup time at the cold air that carries the surface of holding body 201.Thus, can improve the frequency that contacts that carries the photochemical catalyst hold on the body 201 and cold air, consequently can improve the photochemical catalyst reaction.
That is, shown in enforcement mode 3 grades, like that, carry by configuration and to hold body 201 and make cold air paste it to pass through, carry the contact rate of holding body 201 and cold air thereby can improve.But the position that changes by the circulating direction at cold air is equipped with to carry holds body 201, also can realize carrying the raising of the contact rate of holding body 201 and cold air.
Particularly, carry and to hold the position that circulating direction that body 201 and irradiation means 202 be provided in the above-mentioned cold air in the circulating cold air path changes, carry and hold body 201 and be configured with the mode that is contained in the normal of the bigger face of area towards the parallel part of the circulating direction of the cold air of year holding body 201 according to it.
Thus, carry hold body 201 near the delay of generation cold air, improve and carry the contact rate of holding body 201 and cold air.Consequently, can improve the bacteria-eliminating efficacy of cold air.
(embodiment 5)
Then, with reference to Figure 14～Figure 16 embodiments of the present invention 5 are described.
In addition, the basic structure of the freezer 100 of embodiment 5 is identical with the freezer 100 of embodiment 3, omits its explanation.
Figure 14 is the longitudinal section of the freezer 100 of embodiment 5.
In addition, read fortune is same in appearance for the freezer 100 of the freezer 100 of embodiment 5 and embodiment 1.
That is, front elevation is identical with the freezer 100 of embodiment 1 shown in Figure 2, and Figure 14 is equivalent to the cross section that cuts off along the A-A line of Fig. 2.
In addition, the freezer 100 of embodiment 5 is identical with the freezer 100 of embodiment 3, has bactericidal device 200.
But the freezer 100 of embodiment 5 also possesses illuminator 300a, 300b and the 300c of the reserve in the exposure cell in vegetable compartment 104.This point is different with the freezer 100 of embodiment 3.
These illuminators for example are blue led.Blue led has vitamin of inhibition vegetables and the effect of keeping the vegetables freshness that polyphenol (polyphenol) reduces.
In addition, illuminator 300c shown in Figure 14 is as described in the literary composition also being the element of the formation bactericidal device 301 that possesses in vegetable compartment 104.
Figure 15 is the figure as the pipeline configuration of the part of the circulating path of cold air of expression embodiment 5.
As the circulating path of the cold air of embodiment 5, with embodiment 1 grade similarly, have refrigerating chamber 102, vegetable compartment 104 circulating paths; Ice-making compartment 105 circulating paths; Refrigerating chamber 103 circulating paths; With switching chamber 106 circulating paths.
About the air-flow of the basic cold air of these circulating paths in separately, identical with embodiment 3.That is, the air-flow of the cold air illustrated with using Fig. 4 is identical basically, omits its explanation.
But in the freezer 100 of present embodiment, configuration odor removal filter 135a this point is different with embodiment 3 on refrigerating chamber usefulness Returning pipe 129b.Therefore, being that the center describes with the air-flow of the relevant cold air of Returning pipe 129b with refrigerating chamber.
Quilt with air conditioning by refrigerating chamber 102 sucks at the recovery mouth 131 of refrigerating chamber 102 lower openings.The cold air that is inhaled into recovery mouth 131 is discharged to vegetable compartment 104 from the outlet 136 at vegetable compartment 104 upper openings via refrigerating chamber Returning pipe 129b.
At this moment, make Quilt with air conditioning deodorizing by the odor removal filter 135a that possesses with Returning pipe 129b at refrigerating chamber by refrigerating chamber 102.
By disposing such odor removal filter 135a, can carry out deodorizing to the cold air of circulation in freezer 100.In addition, because the plugged filter path, so the pressure loss of the air-flow of cold air is big.Possess the big filter of such pressure loss by back segment, compare, can reduce the air-supply power of cooling fan 121 with the situation that possesses filter at leading portion at the air-flow of cold air.Thus, can realize cooling fan 121 miniaturizations, and guarantee the necessary air quantity of circulation of cold air easily.
In addition, in vegetable compartment 104, dispose bactericidal device 301 as described later.
At last, the cold air that in vegetable compartment 104, passes through Returning evaporimeter 120 once more.More than be refrigerating chamber 102, vegetable compartment 104 circulating paths of cold air.
In addition, the situation of present embodiment is identical with embodiment 3, except that via outlet 130 to the path of the cold air that refrigerating chamber 102 is discharged, also there is path as described below, that is: Yi Bufen cold air imports bactericidal device 200 being branched before outlet 130 discharges, discharge to refrigerating chamber 102 afterwards, and return refrigerating chamber 102, vegetable compartment 104 circulating paths.
In addition, individual path, the installation pattern of bactericidal device 200 and the function of bactericidal device 200 etc. of the part of the circulating path of formation cold air, identical with embodiment 3, omit explanation about them.
Then, the bactericidal device 301 that is installed on vegetable compartment 104 is described.
Figure 16 is the partial front figure of structural outline that expression is installed on the bactericidal device 301 of vegetable compartment 104.
In addition, the vegetable compartment of present embodiment 104 is an example of the storeroom of the back segment that is contained in refrigerating chamber 102, and above-mentioned refrigerating chamber 102 is the storerooms that passed through at first by the cold air that the evaporimeter 120 as an example of cooling body generates.
Carry and to hold body and held photochemical catalyst in 302 years, be installed on the 4th separating part 119 by support unit 303.
Illuminator 300c is for hold body 302 irradiations and excite by the mechanism of carrying the exciting light of holding the photochemical catalyst that body held in 302 years, with the fresh function of vegetables that guarantees to be stored in vegetable compartment 104 to carrying.
The part of the light of illuminator 300c irradiation is held body 302 by carrying of filter shape and is shone vegetables.Thus, by guaranteeing the freshness of vegetables as the illuminator 300c of irradiation means, and can be to carrying out degerming in the vegetable compartment 104.
In addition, the bactericidal device 301 that is installed on vegetable compartment 104 be configured in outlet 136 the place ahead in the stream of the cold air that vegetable compartment 104 is discharged.That is, bactericidal device 301 is configured in the position that air-flow passed through of the cold air of discharging from the outlet 136 of vegetable compartment 104.
Preferred bactericidal device 301 be configured in flow is maximum in the vegetable compartment 104 outlet 136 near.Thus, can increase the cold air of holding body 302 and in vegetable compartment 104, passing through that carries that possesses via bactericidal device 301.Thus, can make more and in vegetable compartment 104, circulated by the cold air of degerming, deodorizing.
In addition, as mentioned above, vegetable compartment 104 is still compared with refrigerating chamber 102 for compare the storeroom of the back segment of the air-flow that is contained in cold air with refrigerating chamber 102, and its capacity is set lessly.
Therefore, the air quantity that is used for vegetable compartment 104 is remained on the cold air of set point of temperature also can lack than refrigerating chamber 102.Therefore, even carrying under the situation about holding in the stream that body 302 is configured in cold air of bactericidal device 301 also can suppress the influence that the pressure loss reduces the cold air air quantity can vegetable compartment 104 be adjusted to the temperature of regulation for less fairly simplely.
Same problem also is like this about the temperature of vegetable compartment 104.That is, under the situation of present embodiment, vegetable compartment 104 is set highly than refrigerating chamber 102 temperature, owing to be high temperature, can lack than refrigerating chamber 102 so be used for thermoregulator cold air air quantity.Therefore, can suppress to carry and hold body 302 and be configured in the pressure loss that causes in the stream of cold air.
In addition, odor removal filter 135a also can not be arranged on refrigerating chamber with among the Returning pipe 129b, reclaims mouth 131 and be arranged at.
Like this, freezer of the present invention possesses: form a plurality of storerooms heat insulating box, open and close the peristome of each storeroom that is installed on heat insulating box freely the door body, generate the cooling body of the cold air of cold storage chamber; The circulating cold air path of circulating with cold air, possesses bactericidal device in this freezer, this bactericidal device has to carry holds that carrying of photochemical catalyst held body and to the irradiation means of carrying the exciting light of holding body irradiation exciting light catalyst, above-mentioned bactericidal device is configured in the stream of the cold air that storeroom is discharged, and above-mentioned storeroom is contained in the back segment of comparing with the initial storeroom that passes through of cold air that is generated by cooling body.
In the odor removal filter 135b of present embodiment, also rub into photochemical catalyst is arranged.That is, odor removal filter 135b is the filter with deodorization, simultaneously also is to carry to hold carrying of photochemical catalyst and hold body.
In addition, odor removal filter 135b also can not be arranged on refrigerating chamber with among the Returning pipe 129b, reclaims mouth 131 and be arranged at.In this case, irradiation excites the irradiation means of the light of the contained photochemical catalyst of holding of odor removal filter 135b, for example be installed on the wall of formation refrigerating chamber with Returning pipe rear 129b, odor removal filter 135b, from here forwards to odor removal filter 135b irradiation exciting light.
Like this, in the present embodiment,, odor removal filter 135b holds photochemical catalyst, so can realize bactericidal devices by odor removal filter 135b and illuminator 310 owing to carrying.
Therefore, can carry out deodorizing and degerming, can suppress foul smell and bacterium as far as possible and shift to other reserves to cold air by the storeroom that back segment possessed in the circulating cold air path.
(embodiment 7)
Then, use Figure 19～Figure 21 that embodiments of the present invention 7 are described.
In addition, the basic structure of the freezer 100 of embodiment 7 is identical with the freezer 100 of embodiment 3, omits its explanation.
In addition, in embodiment 7, the bactericidal device 200 that freezer 100 is possessed has ventilation fan 220, and this point is different with the freezer 100 of embodiment 3.Therefore, be that the center describes with the action of ventilation fan 220 and effect thereof etc.
Figure 19 is the figure as the structure of the pipeline of the part of the circulating path of cold air of expression embodiment 7.
As the circulating path of the cold air of embodiment 7, identical with embodiment 1 etc., have: refrigerating chamber 102, vegetable compartment 104 circulating paths; Ice-making compartment 105 circulating paths; Refrigerating chamber 103 circulating paths; With switching chamber 106 circulating paths.
About the basic cold air air-flow of these circulating paths in separately, as using Fig. 4 illustrated, thereby its explanation is omitted.
In addition, under the situation of present embodiment, with embodiment 3 similarly, except that via outlet 130 to the path of the cold air that refrigerating chamber 102 is discharged, also have path as described below, that is: Yi Bufen cold air imports the degerming dress being branched before outlet 130 discharges
Thus, bactericidal device is difficult in the circulating cold air path that impedance impacts to wind path.In addition, though in storeroom, dispose bactericidal device like this, but still can on the basis of the cycle efficieny of keeping cold air, carry out the deodorizing degerming to begin to be positioned at second later storeroom from cooling body in the cold air flow direction.
In addition, cold air is along with uprising away from its temperature from cooling body.When dewfall etc. takes place in storeroom when, be unfavorable on the visual perception, but since second later storeroom than first storeroom temperature height, so be difficult for dewfall.
Therefore, second later storeroom can keep the state of visual perception's coideal, we can say to cause that possibility discontented on the market is less.
In addition, the cold air that passes through in can the storeroom to the back segment in being disposed at the circulating cold air path carries out deodorizing, can suppress foul smell as much as possible to transfer of other reserves etc.
In addition, shown in the illuminator 300c of present embodiment, preferably shine carrying to hold body and together be contained in the storeroom of back segment with it with blue light.
Well-known blue light has the fresh effect of the vegetables of preservation, in addition, and the higher cold air of flowing temperature in the vegetable compartment.Therefore, irradiation means can excite to be carried and hold body and carry the photochemical catalyst of holding, and can keep the vegetables that are stored in the vegetable compartment fresh.
(embodiment 6)
Then, use Figure 17 and Figure 18 that embodiment 6 is described.
In addition, the basic structure of the freezer 100 of embodiment 6 is identical with the freezer 100 of embodiment 5.
But it is different with embodiment 5 with this point of the odor removal filter 135b performance degerming functions of Returning pipe 129b to be installed on refrigerating chamber.Therefore, be that the center describes with the technology item relevant with odor removal filter 135b.
Figure 17 is the partial front figure of the pattern of odor removal filter 135b expression embodiments of the present invention 6, that be installed on refrigerating chamber usefulness Returning pipe 129b, and Figure 18 is the partial longitudinal section figure of this pattern of expression.
The odor removal filter 135b shown in Figure 17 and the odor removal filter 135a of embodiment 5 similarly for being configured in refrigerating chamber with among the Returning pipe 129b, rub the filter that forms into the fiber entanglement that active carbon is arranged.
In addition, odor removal filter 135b is in the example position configuration different with the outlet 130 in the circulating cold air path, that the cold air in the circulating cold air path carried out the filter of deodorizing.Put 200, discharge to refrigerating chamber 102 afterwards, and return refrigerating chamber 102, vegetable compartment 104 circulating paths.Individual path about the part of the circulating path that constitutes this cold air is set forth later.
In addition, under the situation of present embodiment, as shown in figure 19, in bactericidal device 200, dispose ventilation fan 220 as ventilation mechanism.Thus, carry out forced ventilation to containing to carry in the space of holding body 201 and irradiation means 202 and in the storeroom.
Then, bactericidal device 200 is described.
Figure 20 is the stereogram of bactericidal device 200 under the state that is installed on freezer 100 of expression embodiment 7.
The basic structure and the function of the bactericidal device 200 of present embodiment, identical with basic structure and the function of using Fig. 9 bactericidal device 200 explanation, embodiment 3, also possess the ventilation fan 220 that carries out forced ventilation in addition.
Then, specify the installation pattern of bactericidal device 200 to freezer 100.
Figure 21 (a), Figure 21 (b) and Figure 21 (c) are the sectional views of installation pattern of the bactericidal device 200 of expression embodiment 7.
Shown in Figure 20, Figure 21 (a)～Figure 21 (c), be between the outlet 130 in the upper end of refrigerating chamber 102, be provided with the depressed part 203 that the front has mouth.Depressed part 203 is arranged at the place ahead of the step-like recess 113 that compressor 114 grades are installed.
This part be for can not constituting the idle space of accommodation space, by being provided for installing the depressed part 203 of bactericidal device 200 in this part, thereby can not waste the accommodation space in the refrigerating chamber 102, and bactericidal device 200 can be installed.
In addition, the substance of the installation pattern of bactericidal device 200 is with identical in embodiment 3, as using the illustrated content of Figure 10 (a).
But, in the bactericidal device 200 of present embodiment, possess ventilation fan 220.Particularly, dispose the ventilation fan 220 of conduct ventilation mechanism at the end edge portion of cap assembly 205.Ventilation fan 220 is by the suction fan of forcing in the bactericidal device 200 to import the cold air in the refrigerating chamber 102 221 is constituted.
About the freezer 100 of the embodiment 7 that constitutes as mentioned above, below its action of explanation, effect.
In addition, about the action of freeze cycle, because identical with the action of the freezer 100 of embodiment 1, its explanation of Therefore, omited describes the function and the effect thereof of bactericidal device 200.
The function of the bactericidal device 200 of present embodiment and effect thereof the function with the bactericidal device 200 of above-mentioned embodiment 3 basically are identical with effect.That is, the cold air that passes through in bactericidal device 200 becomes by the cleaning cold air of deodorizing, degerming, blows out in the storehouse via intercommunicating pore 207.Mix at refrigerating chamber 102 cold air inner and then, in circulating path, circulate from outlet 130 discharges.
But the bactericidal device 200 of present embodiment stops at cooling fan 121, under the state that cold air does not circulate in the circulating cold air path of refrigerating chamber with discharge line 129a etc., and shown in Figure 21 (b), ventilation fan 220 actions.
Thus, with being changed by the pressure of the cold air of degerming in cold air in the refrigerating chamber 102 and the bactericidal device 200.That is, carry out forced ventilation to containing to carry in the space of holding body 201 and irradiation means 202 and in the storeroom.
In addition, by sucking fan 221 produces cold air in refrigerating chamber 102 forced convertion (circulation), the cold air of finishing from the degerming of bactericidal device 200 discharges spreads all in the refrigerating chamber 102.
Thus, even under the situation that cooling fan 121 stops, owing in refrigerating chamber 102, spread by the cold air of degerming by compulsory convection current (circulation), so refrigerating chamber 102 can be maintained the state of cleaning.
In addition, in the above-described embodiment, ventilation fan 220 constitutes by the suction of forcing the cold air in the importing refrigerating chamber 102 in the bactericidal device 200 is fanned 221, but the present invention is not limited to this.
For example, shown in Figure 21 (c), ventilation fan 220 also can be by the discharge fan of forcing in the bactericidal device 200 to discharge the cold air in the refrigerating chamber 102 222 is constituted.
Utilize this discharge fan 222, the discharge wind speed of the cold air that the degerming in the bactericidal device 200 finish is increased, the forced convertion of cold air (circulation) increase refrigerating chamber 102 in, the cold air of finishing from the degerming of bactericidal device 200 discharges spreads all in the refrigerating chamber 102 easily.Therefore, can further improve degerming, the function of deodorizing.
Freezer of the present invention possesses: be made of heat-barrier material, form the heat insulating box of storeroom in inside; Open and close the door body of the peristome that is installed on heat insulating box freely; Air in the cooling heat insulating box generates the cooling body of cold air; And between storeroom and above-mentioned cooling body the circulating cold air path of circulation cold air, has the bactericidal device that is configured in the storeroom in this freezer, this bactericidal device has to carry holds that carrying of photochemical catalyst held body and to holding the irradiation means of the exciting light of body irradiation exciting light catalyst in above-mentioned year, and bactericidal device has the ventilation mechanism with forced ventilation in the storeroom and in the bactericidal device.
Thus, even do not make at freezer under the situation of circulating cold air, because the cold air in the bunker is forced to circulation in by deodorizing and degerming,, can keep low smelly, degerming state in the freezer so it is interior in a big way to make deodorizing and bacteria-eliminating efficacy relate to freezer.
Like this, freezer of the present invention is not vulnerable to the wind path impedance influences, though in storeroom, dispose bactericidal device, still can keep the cycle efficieny of cold air, even and when the circulation time that in the circulating cold air path, does not carry out cold air, bactericidal device self also can make circulating cold air, makes bacteria-eliminating efficacy spread all over storeroom.
Freezer of the present invention makes the further high-quality freezer of raising of bacteria-eliminating efficacy owing to can make bacteria-eliminating efficacy spread all over storeroom so can provide.
(embodiment 8)
Then, use Figure 22～Figure 29 that embodiments of the present invention 8 are described.
In addition, the basic structure of the freezer 100 of embodiment 8 is identical with the freezer 100 of embodiment 3, omits its explanation.
At this, in embodiment 3, shown in Fig. 8 waited, bactericidal device 200 was arranged in the refrigerating chamber 102.But, bactericidal device 200 the place is set so long as in the circulating cold air path, get final product, be not limited in the refrigerating chamber 102.
In addition, a plurality of light sources 132 and carry the position relation hold between the body 201 and also be not limited to position relation shown in Figure 9 also exist to be positioned at the advantageous effects that other positions relations cause down.In addition, also existence is used to improve the degerming of bactericidal device 200 and the method for deodorizing effect.
Therefore, in embodiment 8, about bactericidal device 200 position etc. is set, illustrating does not have illustrative concrete example in other embodiments.
For example, in freezer 100, also bactericidal device 200 can be arranged in the pipeline of a part that constitutes the circulating cold air path.Owing to compare be the place that is not vulnerable to the influence of extraneous gas in the storeroom, hold the advantage that body 201 is difficult for dewfall in the pipeline so have the LED substrate and carry.
Figure 22 (a), Figure 22 (b) and Figure 22 (c) are the figure that in the expression embodiment 8 bactericidal device 200 is arranged on the example that the position is set under the situation in the pipeline.
For example, shown in Figure 22 (a), also can bactericidal device 200 be set in discharge line 129a near the position of cold air left and right sides branch at refrigerating chamber.By bactericidal device 200 is arranged on this place, by the cold air of degerming and deodorizing from about outlet 130 in refrigerating chamber 102, discharge equably.
In addition, for example, shown in Figure 22 (b), also can bactericidal device 200 be set near with the outlet in the discharge line 129a 130 at refrigerating chamber.By bactericidal device 200 is arranged on this place, thereby carry out the degerming and the deodorizing of cold air before can in refrigerating chamber 102, blowing out at the cold air of circulation in freezer 100.That is, the cold air of cleaning can be blown out in refrigerating chamber 102.
In addition, in Figure 22 (a) and Figure 22 (b) bactericidal device 200 be provided with direction be carry hold body 201 in the front and irradiation means 202 in direction inboard or in contrast, but also can not be such direction that is provided with.
For example, shown in Figure 22 (c), also can hold body 201 in the left side and the mode of irradiation means 202 on the right side is provided with bactericidal device 200 to carry.Perhaps also can carry in the left side and hold the mode of body 201 bactericidal device 200 is set on the right side with irradiation means 202.
That is, as long as bactericidal device 200 is provided with the position according to suitably decisions such as the size and dimensions of pipeline in pipeline.For example, bactericidal device 200 also can not be arranged on refrigerating chamber with in the discharge line 129a, but is configured in refrigerating chamber Returning pipe 129b.
In addition, in Figure 22 (b) and Figure 22 (c), only near the outlet 130 in left side, dispose bactericidal device 200, but also can only the outlet 130 on right side near, dispose bactericidal device 200.In addition, also can about two sides configuration bactericidal device 200.
More than, use Figure 22 (a)～Figure 22 (c) that the example that bactericidal device 200 is configured in the allocation position under the situation in the pipeline has been described.
At this, bactericidal device 200 so work as under the situation about being arranged in the refrigerating chamber 102, also plays the function as the illumination in the refrigerating chamber 102 owing to have the irradiation means 202 of holding body 201 irradiation exciting lights to carrying as mentioned above.
In addition, under situation about bactericidal device 200 being arranged in the pipeline, as mentioned above, has the effect that suppresses the LED substrate and carry the generation of the dewfall of holding body 201.
Therefore, be accommodated in the pipeline by a part in a plurality of light sources 132 that only bactericidal device 200 had, other part light sources are configured on the position that can shine in the refrigerating chamber 102, thereby can make bactericidal device 200 in the generation that suppresses dewfall, carry out the degerming and the deodorizing of cold air, and can play the function of the illumination of refrigerating chamber 102.
Therefore, next illustrate with in a plurality of light sources 132 only a part be present in the pipeline, the mode that other light sources 132 is present in the position of irradiation in the storeroom is provided with the situation of bactericidal device 200.
Figure 23 be in a plurality of light sources 132 of expression embodiment 8 only a part be present in the figure of the example that the position is set of the bactericidal device 200 under the situation in the pipeline.
Particularly, shown in the sectional view on the right side of Figure 23, the LED substrate is crossed over refrigerating chamber and is existed with the inside and outside of discharge line 129a, and two light sources 132 in three light sources 132 are present in the refrigerating chamber usefulness discharge line 129a.Have to carry in the position configuration relative and hold body 201 with this two light sources 132.
In addition, be present in refrigerating chamber and be configured on the position that to shine in the refrigerating chamber 102, be provided with transparent luffer boards 209 in the inner wall section of the refrigerating chamber 102 in the front of this light source 132 with an outer light source 132 of discharge line 129a.
As mentioned above, bactericidal device 200 has a plurality of light sources 132.Particularly, adopt LED as light source 132.Therefore, also can make the brightness difference of each light source 132, make to carry and hold body 201 and be configured on the position relative with the high light source of brightness 132.
Thus, can realize the long lifetime of the low light source of brightness 132, and can make based on carrying the bacteria-eliminating efficacy of holding body 201 effectively actual.
In addition,, also help to carry the rising of holding body 201 atmosphere temperature on every side, can bring into play the effect of the generation that suppresses dewfall even the low light source 132 of brightness can not fully carry out under the situation about exciting of catalyst.
Figure 24 is the figure of the structural outline of the bactericidal device 200 under the situation of central authorities of embodiment 8, the light source 132 that brightness is the high row that are configured in light source 132.In addition, bactericidal device 200 shown in Figure 24 is configured in top (with reference to Fig. 8) in the freezer 102 in the mode identical with the freezer 100 of embodiment 3.
As shown in figure 24, in the row that are made of a plurality of light sources 132, the light source 132 that brightness is high is configured in central authorities.In addition, carrying of width that will be narrower than the width of these row held body 201 and is configured near the position relative central authorities with these row.
Thus, bactericidal device 200 forms symmetrical structure as shown in figure 24.
That is, hold body 201, on the basis of above-mentioned effect, can also be blown into bactericidal device 200 under the situation of cold air, will carry out degerming from both sides' cold air expeditiously from left and right sides both sides by disposing a plurality of light sources 132 like this and carrying.
In addition and since about the front of the low light source 132 of brightness do not exist to carry and hold body 201, so these light sources 132 can be brought into play the function as the illumination in the refrigerating chamber 102 better.
For example, hold under the situation that is carried with titanium oxide on the body 201 as catalyst carrying, the ultraviolet light source 132 that produces black light to be configured near the central authorities of row of light source 132.In addition, beyond the light source 132 that produces visible light being configured near the central authorities.
When using Figure 24 that above-mentioned configuration is described, produce ultraviolet light source 132 in the central configuration of these row, configuration produces the light source 132 of visible light about it.
In addition, hold body 201 position configuration the carrying of width shorter relative than the width of these row of light source 132 with producing ultraviolet light source 132.
Thus, the light source 132 of central authorities can excite to be carried holds the titanium oxide that body was held in 201 years, simultaneously, about light source 132 can play function as the illumination in the refrigerating chamber 102.
Figure 25 is the figure of the structural outline of the bactericidal device 200 under the situation of central authorities of expression light source 132 embodiment 8, that brightness is the low row that are configured in light source 132.In addition, bactericidal device 200 shown in Figure 25 is configured in the pipeline.
As shown in figure 25, in the row that are made of a plurality of light sources 132, the light source 132 that brightness is low is configured in central authorities.In addition, width that will be narrower than this column width carry hold body 201 be configured in remove near this row central relative position, position on.That is, carry and hold body 201 and be configured in the position relative with the high light source of brightness 132.
Hold body 201 by disposing a plurality of light sources 132 like this and carrying, as shown in the figure, can be used in and hold the central authorities that allocation position that body 201 is installed in the screw 216 in the freezer 100 is arranged at bactericidal device 200 carrying.
That is, hold body 201, thereby on the basis of above-mentioned effect, can also balance will carry well and with few parts and hold body 201 and for example be arranged in the pipeline by disposing a plurality of light sources 132 like this and carrying.
In addition, exist two to carry and hold body 201 in Figure 25, to hold body 201 also can be any one but carry.In this case, only hold the relative light source 132 of body 201 and have high brightness and get final product with carrying.In addition, shown in also can formation figure will have two carry hold body 201 in conjunction with after the degree size carry near the central authorities of holding body 201 structure that is installed in inner-walls of duct etc. by screw 216.
In Figure 24 of above explanation etc., the direction of illumination of the exciting light of light source 132 was held body 201 approximate vertical with respect to flat year.But light source 132 also can be from holding the direction irradiation exciting light of body 201 from tilting with respect to carrying.
Figure 26 (is represented by chain-dotted line for the direction of illumination of the exciting light of embodiment 8.Identical in Figure 27 and Figure 28) hold the light source 132 under the vertical situation of body 201 and carry the allocation plan of holding body 201 with respect to carrying.
Particularly, in Figure 26, bactericidal device 200 is arranged in the pipeline that width is W.In addition, in order to make explanation clear, show a light source 132 among the figure and carry the position relation of holding body 201.
At this, the feature of light source 132 for example has as mentioned above that its projecting direction has directive property, and illumination angle is narrower and small.Therefore, as shown in figure 26, when light source 132 is held under the body 201 relative situations about being configured in the narrow and small pipeline of width with carrying, can not hold body 201 and be controlled at irradiation area all carrying.
Particularly, light source 132 only can be to the face of holding the maximum area of body 201 in flat year (below be also referred to as " interarea "), be the area illumination exciting light that carries the upper surface of holding body 201 among Figure 26 less than the regulation zone.
In addition, when the direction of illumination of keeping exciting light like this with respect to carrying when widening irradiation area under the situation hold the vertical state of body 201, can consider to increase light source 132 and carry the distance of holding body 201.But in pipeline, can not guarantee so long distance.
In addition, no matter whether in pipeline,, exciting light is reduced to the stimulation effect of catalyst owing to increase light source 132 and carry the distance of holding between the body 201.
Therefore, as shown in figure 27, according to from disposing light source 132 with respect to carrying the mode hold the direction irradiation exciting light that body 201 tilts.
Figure 27 is that direction of illumination embodiment 8, that make exciting light is with respect to carrying the light source 132 under the situation of holding body 201 inclinations and carrying the allocation plan of holding body 201.
Particularly, make the light source 132 as irradiation means, the direction of illumination that is arranged at exciting light is towards with respect to carrying the direction that the interarea of holding body 201 can not become vertical, and on this light source 132 position relative in addition with the central authorities of interarea.
Thus, no matter whether coexist mutually to be provided with light source 132 and to carry in the pipeline of width W and hold body 201, the Zone Full of interarea can both be controlled in the irradiation area with Figure 26.
In addition, the distance of carrying the right-hand member hold body 201 and light source 132 of Figure 27 is than this distance under the situation shown in Figure 26.But, light source 132 and carry the beeline of holding body 201 and situation shown in Figure 26 roughly the same, can not make to excite the effect of catalyst significantly to reduce.
In addition, improve, so improve as carrying degerming and the deodorizing effect of holding body 201 integral body owing to carry the ratio of light area in the surface area of holding body 201.
In addition, in Figure 27, the mode that is controlled at according to the Zone Full of interarea in the irradiation area of light source 132 disposes light source 132.But, light source 132 also can be set make the requirement ratio of interarea above, for example be controlled in the irradiation area more than 80%.
In addition, for example also can determine light source 132 with respect to carrying the position that is oppositely arranged of holding body 201 with the benchmark more than 40% that carries the surface area of holding body 201.
That is,, compare, hold zone wider in the surface area of body 201 and be controlled in the irradiation area and get final product carrying with the situation of as shown in figure 26 interarea vertically being shone exciting light as long as be configured to as shown in figure 27 under the situation that light source 132 is set obliquely.
In addition, in Figure 27, be illustrated, make and be controlled in the irradiation area of these light sources more than the requirement ratio of interarea but a plurality of light sources 132 also can be set about a light source 132.
For example, also can carry and hold body 201, shine exciting light respectively obliquely from two light sources 132, thereby the Zone Full of interarea is controlled in the irradiation area with respect to one.
In addition, in the present embodiment, carry and to hold body 201 and be tabular, be the rectangular shape of thin thickness.Therefore, paying close attention to as the big face of area is interarea, by interarea being shone more exciting light, realizes the raising of degerming and odor removal efficient.
But, also to consider to carry the face beyond the interarea hold body 201 sometimes, promptly carry the area of the side situation about in the exciting of photochemical catalyst, can not ignore just of face all around of holding body 201 among Figure 27.That is, also to be considered as the thicker situation of thickness of holding body 201 in flat year.
In this case, also can dispose more than one light source 132 makes interarea and each side be controlled in the irradiation area.In addition, in Figure 27, also shine under the situation of exciting light, also can dispose the light source 132 that is used for this interarea irradiation exciting light serving as the interarea that carries the lower surface of holding body 201.
In addition, in Figure 27, illustrate bactericidal device 200 is arranged on situation in the pipeline.But as long as light source 132 and to carry the relative position relation of holding body 201 be position relation shown in Figure 27, then no matter bactericidal device 200 the position is set for where, can both in narrow space, bring into play the effect of the degerming and the deodorizing of cold air expeditiously.
At this, for example, as shown in figure 27, light source 132 is positioned at the top, carries to hold body 201 and be positioned under the situation of below and have peculiar effect as described below.
That is: hold under the situation of body 201 dewfall when carrying, its water droplet can not flow into the LED substrate, can keep the reliability of bactericidal device 200.
In addition, as shown in figure 28, when light source 132 is in the below, carries and to hold body 201 and be under the situation of top and have distinctive effect as described below.
To be the direction of illumination that makes exciting light hold body 201 and tilt with respect to carrying Figure 28, and be in light source 132 down, carry hold body 201 under the situation of last upper and lower relation light source 132 and carry the allocation plan of holding body 201.
Like this, as the light source 132 of irradiation means with carry and hold body 201, be used to the free convection that the heating from light source 132 causes, can suppress to carry the generation of the dewfall of holding body 201 effectively by configuration.
(making the concrete example of the method for degerming and deodorizing effect raising)
Carry and to hold body 201, the resin that adopts the light of easy exciting light catalyst to see through as the resin of base material as mentioned above for rubbing the structure of the filtration shape that forms into the fiber entanglement that photochemical catalyst is arranged.
That is: certain ratio of carrying the exciting light of holding body 201 irradiations is held body 201 through carrying.Therefore, bactericidal device 200 also can possess the exciting light reflection hold body 201 is carried in projection, makes it hold the reflecting plate of body 201 incidents to carrying.
Thus, can improve the degerming and the deodorizing effect of 200 pairs of cold air of bactericidal device.
Figure 29 (a) and Figure 29 (b) be expression embodiment 8 reflecting plate 215 example is set and by the figure of the situation of reflecting plate 215 reflection exciting lights.
Shown in Figure 29 (a), clip to carry and hold body 201 and reflecting plate 215 is set at the opposition side of irradiation means 202.
In addition, the raw material of reflecting plate 215 particularly so long as mirror or metallic plate etc. can reflect the raw material of exciting light gets final product, are not limited to specific raw material.
Thus, shown in Figure 29 (b), see through from light source 132 irradiation and to carry plate 215 reflections that are reflected of the exciting light of holding body 201, incide once more to carry and hold body 201.
Therefore, compare, can excite expeditiously to be carried and hold the catalyst that body was held in 201 years, improve degerming and odor removal efficient with the situation that does not have reflecting plate 215.
In addition, in Figure 29 (a) and Figure 29 (b), carry and to hold the setting that adjoins each other of body 201 and reflecting plate 215.But, also can hold body 201 and separate setting carrying with reflecting plate 215.
That is, carry and to hold the interval of body 201 and reflecting plate 215, incide once more and carry the distance of holding body 201 and get final product so long as can make to see through and carry plate 215 reflections that are reflected of the exciting light of holding body 201.
As mentioned above, freezer of the present invention is possessing a plurality of light sources 132 to carrying in the irradiation means 202 of holding body 201 irradiation exciting lights.Particularly, adopt LED as light source 132.
Like this, utilize 132 pairs of a plurality of light sources to carry to hold body 201 irradiation exciting lights, for example the part of the exciting light that sends from a plurality of light sources 132 can be used for the illumination in the storeroom thus.
In addition, send exciting light, can improve the atmosphere temperature of bactericidal device 200, suppress to carry the generation of the dewfall of holding body 201 grades by a plurality of light sources 132.
Thus, can prevent mainly fault and the degerming of bactericidal device 200 and the reduction of deodorizing effect of the bactericidal device 200 that causes by dewfall.
In addition, irradiation means 202 by a plurality of light sources 132 on the same one side that is configured in a substrate, is held body 201 irradiation exciting lights to carrying.
Thus, for example can reduce the number of components of bactericidal device 200.
In addition, bactericidal device 200 also can be installed in storage the piping outside the house of a part that constitutes the circulating cold air path, in this case, in the pipeline with to compare be the place that is not vulnerable to the influence of extraneous gas in the storeroom.Therefore, by like this above-mentioned bactericidal device being installed in the pipeline, can being suppressed at the substrate that disposes LED and producing dewfall on the body with carrying to hold.
In addition, the LED substrate also can be configured in the freezer 100 as follows, that is: the only a part of light source 132 in a plurality of light sources 132 is present in storage the piping outside the house of a part that constitutes the circulating cold air path, and other light sources 132 is present on the position that can shine in the storeroom.
Thus, bactericidal device 200 can be realized simultaneously as the function of the device that carries out the degerming of the cold air in the storehouse and deodorizing with as the function of the illumination in the storehouse.
In addition, also can make a plurality of light sources 132 line up row, the brightness difference of a plurality of light sources 132, with carry hold body 201 be configured in a plurality of light sources 132 in regulation brightness more than the relative position of light source 132 on.
By formation like this, can guarantee certain degerming and deodorizing capability, and can realize the long lifetime of the light source 132 that energy-conservationization and brightness are lower.
In addition, in such structure, the above light source 132 of regulation brightness is configured near the central authorities of row, carries the narrow width of the width ratio row of holding body 201.
Thus, bactericidal device 200 constitutes symmetrical structure, by make cold air from about be blown into bactericidal device 200, can carry out good degerming of efficient and deodorizing.
In addition, also the light source 132 below the regulation brightness in a plurality of light sources 132 can be configured near the central authorities of row, carry the narrow width of the width ratio row of holding body 201.
Thus, become with about the higher light source 132 of brightness relatively dispose to carry and holds body 201, can be in the position relative, be to dispose near the central authorities of bactericidal device 200 to be used for bactericidal device 200 is installed in screw in the freezer 100 etc. with light source 132 below the regulation brightness.
In addition, also can be that a plurality of light sources 132 constitute row, the part of a plurality of light sources 132 is sent black light, other send visible light, the light source 132 that sends black light is configured near the central authorities of row, catalyst is excited by black light, carries the width hold body 201 narrow width than row, is configured in the position relative with the light source 132 that sends black light.
Thus, near the LED the central authorities can excite to be carried and hold the catalyst that body was held in 201 years, and simultaneously, other LED can play the function as the interior illumination of for example storeroom.
(embodiment 9)
Then, use Figure 30 that embodiments of the present invention 9 are described.
In addition, the basic structure of the freezer 100 of embodiment 9 is identical with the freezer 100 of embodiment 3, omits its explanation.
That is to say, the freezer 100 of embodiment 9 also with the freezer 100 of embodiment 3 similarly, in freezer 102, possess bactericidal device 200.
In bactericidal device 200, as mentioned above, held body 201 irradiation exciting lights in 202 pairs years by irradiation means, then carry the photochemical catalyst of holding body 201 and be excited.When photochemical catalyst is excited, produce the OH free radical from airborne moisture, carry out being carried the oxidation Decomposition of the foul smell composition of holding body 201 seizure and the bacteriolyze of bacterium.
Therefore, as embodiment 9, the ON and the OFF of the power supply of the irradiation that is used for exciting light, promptly relevant with the control of the ON of light source 132 and OFF technology item are described.
Figure 30 (a), Figure 30 (b) and Figure 30 (c) are the figure of the embodiment that lights control of expression light source 132.In addition, " LED " expression light source 132 in Figure 30 (a)～Figure 30 (c).
Shown in Figure 30 (a), make the ON and the OFF of light source 132 and be used for the ON and the OFF of the power supply that the rotation of cooling fan 121 drives synchronous.
That is,, make light source 132, can guarantee based on the degerming of bactericidal device 200 and the actual effect power of deodorizing effect for ON by during cooling fan 121 rotations.Particularly, illustrated as enforcement mode 8 bactericidal device 200 to be set under the situation in the pipeline be effective.
In addition, for illustrated, carry and to hold body 201 to be set under the situation in the pipeline also be effective as enforcement mode 1.
In addition, during not rotating, make light source 132 be OFF, can realize the province's electrification of bactericidal device 200 and the long lifetime of light source 132 at cooling fan 121.
In addition, under the situation that cooling fan 121 does not rotate, shown in Figure 30 (b), insulated door 107 open during also can hold body 201 irradiation exciting lights to carrying.
In freezer 100, under the situation that insulated door 107 is opened, for the extraneous gas of doing one's utmost to suppress moistening and high temperature flows in refrigerating chamber 102, cooling fan 121 is stopped.
But,, can not prevent the inflow of extraneous gas fully even cooling fan 121 is stopped.Therefore, be set under the situation in the refrigerating chamber 102, carry and hold body 201 and the LED substrate can dewfall as bactericidal device that present embodiment is shown in 200.
Therefore,, also make light source 132 be ON, it is lighted even under the situation that cooling fan 121 does not rotate.Thus, can suppress the generation of dewfall.
Particularly, only under insulated door 107 pent states and the power supply that drives usefulness when the rotation of cooling fan 121 be under the situation of OFF, the power supply of the irradiation that is used for exciting light of control irradiation means 202 is OFF, under other situations for being ON, thereby realize the control of lighting of the light source 132 shown in Figure 30 (b).
By such control, during cooling fan 121 rotation and insulated door 107 be opened during, hold body 201 irradiation exciting lights to carrying.
In addition, shown in Figure 30 (c), also can with control cold air to the windscreen of the inflow of refrigerating chamber 102, be that refrigerating chamber is synchronous with the switching of air door 125, the ON and the OFF of control light source 132.
Particularly, when the refrigerating chamber that cold air is intermittently carried out to the inflow of refrigerating chamber 102 with air door 125 when opening state, make light source 132 be ON.In addition, when refrigerating chamber with air door 125 when closing state, make light source 132 be OFF.
In addition, also can be based on the switching of the ON of cooling fan 121 and OFF and refrigerating chamber, the ON and the OFF of control light source 132 with air door 125.
Particularly, the power supply that also can be only drives usefulness in the rotation of cooling fan 121 is ON, and refrigerating chamber with air door 125 for open state during, make light source 132 be ON, making light source 132 during other is OFF.
Control lighting of light source 132 like this, also can cold air carrying hold flow around the body 201 during hold body 201 irradiation exciting lights to carrying, and can realize the long lifetime of light source 132.
More than the control of lighting of Shuo Ming various light sources 132 is undertaken by control substrate 122.
As mentioned above, freezer of the present invention, by carrying at cold air hold body 201 around flow during hold body 201 irradiation exciting lights to carrying, thereby can carry out the degerming and the deodorizing of cold air expeditiously.In addition, irradiation means 202 is always lighted, be realized the long lifetime of energy-conservationization and irradiation means 202.
In addition, it is synchronous that the ON of the power supply of the irradiation that is used for exciting light that also can be by making irradiation means 202 and the rotation of OFF and fan drive the ON and the OFF of power supply of usefulness, and cold air carrying hold body 201 around flow during hold body 201 irradiation exciting lights to carrying.
Thus, for example, under the situation in bactericidal device 200 is installed in the pipeline of a part that constitutes the circulating cold air path, only the cold air by the fan forced conveyance carrying hold body 201 around flow during, hold body 201 irradiation exciting lights to carrying.
That is, only during the degerming that can carry out cold air most effectively and deodorizing, hold body 201 irradiation exciting lights to carrying, can efficient higher and more effectively carry out the degerming and the deodorizing of cold air.
In addition, irradiation means 202, even under the situation that cooling fan 121 does not rotate, also can door be opened during hold body 201 irradiation exciting lights to carrying.
Like this, by gas externally flow into easily in the freezer 100 during promptly door be opened during hold body 201 irradiation exciting lights to carrying, can be suppressed to carry and hold body 201 and irradiation means 202 produces dewfall.
By suppressing the generation of dewfall, can realize the reliability of bactericidal device 200 and the raising of degerming and odor removal efficient.
In addition, irradiation means 202, the power supply that only is used in the irradiation of exciting light under power supply that the rotation of door closing state and cooling fan 121 drives usefulness is the situation of OFF is OFF, be ON in other cases, thus during cooling fan 121 rotation and door open during, also can hold body 201 irradiation exciting lights to carrying.
Like this, ON and OFF according to the power supply of the combination control irradiation means 202 of the switching of the ON of cooling fan 121 and OFF and door can suppress the generation of the dewfall of bactericidal device 200 thus, and can carry out the degerming and the deodorizing of cold air effectively.
In addition, freezer of the present invention also has windscreen, this windscreen can be blocked cold air outside being present in storeroom and constitute the inflow of pipeline in storeroom of the part in circulating cold air path with opening and closing, bactericidal device 200 is installed in the storeroom, irradiation means 202, the power supply that is used in the irradiation of exciting light when windscreen is out state is ON, is OFF when windscreen makes power supply when closing state, thus also can cold air carrying hold body 201 around flow during hold body 201 irradiation exciting lights to carrying.
Like this, synchronously make the power supply of irradiation means 202 become ON and OFF, only be in out state when windscreen by switching with windscreen, the cold air that flows into storeroom carry hold body 201 around flow during, hold body 201 irradiation exciting lights to carrying.
That is, can be only during the degerming that can carry out cold air most effectively and deodorizing, hold body 201 irradiation exciting lights to carrying, can efficient highland and more effectively carry out the degerming and the deodorizing of cold air more.
In addition, the device that irradiation means 202 so long as can launch comprises the light of wavelength that can the exciting light catalyst gets final product, and as mentioned above, can utilize LED to hold body 201 irradiation exciting lights to carrying.
Thus, can suppress the generation of the unwanted heat that bactericidal device 200 causes.In addition, also can reduce the consumption of the electric power that bactericidal device 200 causes.
(embodiment 10)
Then, use Figure 31～Figure 33 that embodiments of the present invention 10 are described.
In addition, the basic structure of the freezer 100 of embodiment 10 is identical with the freezer 100 of embodiment 3, omits its explanation.
That is, the freezer 100 of embodiment 10 also with the freezer 100 of embodiment 3 similarly, in refrigerating chamber 102, possess bactericidal device 200.
In addition, as mentioned above, configuration bifurcations 204 about bactericidal device 200, to the part of the cold air that refrigerating chamber 102 is discharged from about import to the inside of bactericidal device 200.
Therefore, as embodiment 10, describe about the technology item of the air-flow of the cold air of the inside that is imported into bactericidal device 200.
Figure 31 is the stereogram of bactericidal device 200 under the state that is installed on freezer 100 of expression embodiment 10.
The structure of the bactericidal device 200 of present embodiment etc., and the installation site of the bactericidal device in the freezer 100 200 is identical with embodiment 3, omits their explanation.
In addition, in the present embodiment, about bactericidal device 200, be provided with lateral 204a.
Figure 32 is the sectional view of installation pattern of the bactericidal device 200 of expression embodiment 10.
Shown in figure 32, the bifurcations 204 as two side basket, depressed part 203 of bactericidal device 200 is connected with the lateral 204a that the cold air branch is drawn.
By this lateral 204a, cold air is imported into bactericidal device 200 from circulating path (thick-line arrow Figure 32) branch as the cold air of main flow.
Shown in figure 32, be connected about lateral 204a and depressed part 203, the cold air that is branched importing by each lateral 204a produces turbulent flow carrying the front of holding body 201.
Other patterns of bactericidal device 200 then, are described.
Figure 33 is the stereogram of other patterns of the bactericidal device 200 of expression embodiment 10.
The bactericidal device 210 of embodiment 10 shown in Figure 33 on the basis of each key element of the bactericidal device 200 of embodiment 10, also has as the light source cover parts 212 of second cap assembly with as the double casing parts 211 of the 3rd cap assembly.
The effect of these light source cover parts 212 and double casing parts 211 and effect etc., as using the illustrated content of Figure 11, it illustrates omission.
Like this, the freezer 100 of present embodiment possesses: constitute from the lateral 204a of the individual path of circulating cold air path branches; With the bactericidal device 200 (210) that is connected with this lateral 204a and the cold air that is branched is carried out degerming, bactericidal device 200 (210) possesses: carry and hold carrying of photochemical catalyst and hold body 201; To carrying the irradiation means 202 of the exciting light of holding body 201 irradiation exciting light catalyst; With make the cold air that is branched from bactericidal device 200 (210) return the intercommunicating pore 207 in circulating cold air path.
Like this, make the pipeline of special use of a part of branch of the cold air of circulation by setting, can suppress the generation of wind path impedance of the main flow of circulating cold air.In addition, do not consider the wind path impedance of main flow, cold air is contacted expeditiously carry the free degree of the lateral 204a hold body 201 to improve and make to be designed for.Consequently, the increase of wind path impedance can be suppressed, the effect of deodorizing and degerming can be improved simultaneously.
In addition,, reduce lowlyer, can keep the degerming ability of photochemical catalyst than required degree so can prevent to carry the temperature of holding body 201 owing to can control circulation corresponding to the cold air of the ability of bactericidal device 200 (210).In addition, can keep the irradiation ability of irradiation means 202,, realize the keeping of ability of bactericidal device 200 (210) even under the situation that the air more moistening than higher temperatures flows into, also can prevent the generation of dewfall than the highland.
In addition, preferably, freezer 100 possesses a plurality of lateral 204a, and a plurality of lateral 204a are connected with bactericidal device 200 (210), makes the circulating direction of the cold air of emitting from lateral 204a intersect in this bactericidal device 200 (210).
In view of the above, produce turbulent flow, can promote to carry and hold the degermation on body 201 surfaces in the collision of bactericidal device 200 (210) internal cause cold air.In addition,, can make cold air and carry the amount of the contact increase of holding body 201, improve bacteria-eliminating efficacy by this disorder air-flow.
Embodiment
Below, with reference to description of drawings embodiment.In addition, the present invention is not limited by this embodiment.
Figure 34 is the sectional view of expression as the air cleaning unit 258 of the part of bactericidal device.
At this, air cleaning unit 258 is to possess to carry to hold body 201 and irradiation means 202, and the device that purifies air of the effect by photochemical catalyst.
As shown in the drawing, air cleaning unit 258 possesses casing 250, carries and hold body 201 and irradiation means 202.And, in casing 250, be equipped with and held body 201 in a plurality of years and as the light source 217 of irradiation means 202.
In addition, casing 250 also forms mechanism's performance function as stream, is formed with stream 254 in the inside of casing 250.Stream 254 is the air outside from air cleaning unit 258 can be sucked the stream of discharging.Light source 217 is LED.
Adopt mylar carrying to hold in the body 201, use acrylic adhesives on this mylar with 2g/m
2The basic zirconium phosphate silver that to be coated with silver-colored allotment amount be 3wt%.Hold body as carrying of silver also can use zeolite, silica gel, glass, calcium phosphate, silicate, titanium oxide etc. to carry to hold body.Under the situation of using basic zirconium phosphate silver, silver has the feature that is difficult to be dissolved in water, preferred to carrying under the situation of holding the mode that body 201 washes.
In the present embodiment, use adhesive coating basic zirconium phosphate silver to hold body 201, but also can in mylar, rub, hold body 201 and form to carry into basic zirconium phosphate silver and moulding as carrying.
In addition, in the present embodiment, carry and hold body 201 formation plate shapes, but be not limited to this shape, also can adopt honeycomb shape, pleated (pleat), nonwoven etc.
(test example 1)
At first, as a comparative example 1, prepare not the carrying of plate shape of argentiferous and hold body 201.Use the device identical shaped with air cleaning unit shown in Figure 34 258, behind the bacterium liquid that carries the simulation exemplar splash coating staphylococcus aureus of holding body 201 to argentiferous not, shading was placed 3 hours.Afterwards, take out the simulation exemplar, clean with physiological saline.Bacterium number in the eluate is roughly 1.0 * 10
6CFU/cc.The measurement of bacterium number is carried out by the following method, carries out the flat board dilution at the standard agar medium that is:, after cultivating 48 hours under 35 ℃, and the bacterium colony of counting agar medium shape.
Then, the bacterium liquid of the staphylococcus aureus of splash coating and comparative example 1 same amount on the filter of sheet, above-mentioned filter is to be the sheet filter that is carried with the mylar after silver-colored basic zirconium phosphate silver is rubbed with 2wt% of 3wt% with silver allotment amount, the placement of shading afterwards 3 hours.Afterwards, take out to carry and hold body 201, clean with physiological saline.Bacterium number in the eluate is 1.0 * 10
3CFU/cc compares with comparative example 1, can confirm to have anti-microbial property.
In addition, use the LED of various wavelength to carry out same test to light source 217.Irradiation time is 3 hours, and carrying out the feasible light from the outside of shading can not enter.Carry the average irradiation luminous intensity of holding on the body 201 and be adjusted into 150LUX.The central peak wavelength of the LED that uses in (table 1) expression test and from holding the bacterium number after the Bacteria Culture that body 201 washes out in postradiation year.
(table 1)
| The test sequence number | Central peak wavelength (nm) | Cultivate back bacterium number (CFU/cc) |
| |
360 | 0.6×10 |
| |
380 | 1.0×10 |
| |
400 | 2.0×10 |
| |
450 | 4.0×10 |
| |
500 | 7.0×10 |
| Test 6 | 520 | 9.0×10 |
| Test 7 | 530 | 1.0×10 3 |
| |
540 | 1.0×10 3 |
Result according to (table 1) can be clear and definite, and under the situation of the light below the irradiation central peak wavelength 520nm of test 1～6, the test 7,8 that surpasses 520nm with the central peak wavelength is compared, and the bacterium number after cultivating as can be known significantly reduces.
At this, because energy shortage in the light of the wavelength that central peak wavelength 530nm is above, so can not obtain sufficient bacteria-eliminating efficacy, by the light below the irradiation central peak wavelength 520nm, can access sufficient luminous energy, thereby can improve the antibacterial activity of silver, further obtain bigger bacteria-eliminating efficacy.
In addition, in test 1～test 4, use is with acrylic adhesives and be carried with silver-colored basic zirconium phosphate silver mixing, be coated in to carry and hold carrying behind body 201 surfaces and hold body 201, after turning round continuously in 2000 hours, in test 1 and test 2, held that body 201 is destroyed the molecular structure of resins by ultraviolet ray in above-mentioned year and deterioration was held the film of the surface applied of body 201 and peeled off at above-mentioned year.In test 3,4,,, there be not peeling off of film so the deterioration of resin does not take place because light is not the wavelength of ultraviolet range yet.
(test example 2)
Then, use the air cleaning unit same,, make the illumination change of holding body 201 to carrying by adjusting light source 217 and carrying the distance of holding body 201 with the test 3 of testing example 1.With test example 1 similarly, investigation is coated in the variation of bacterium of filter element.(table 2) is for to the bacterium number that carries after holding the illumination of body 201 and holding the cultivation of the bacterium that body 201 washes out from postradiation year.Experimental condition is identical with test example 1.
(table 2)
| The test sequence number | Illumination (Lux) | Cultivate back bacterium number (CFU/cc) |
| |
80 | 9.8×10 2 |
| Test 12 | 90 | 8.0×10 2 |
| Test 13 | 100 | 5.0×10 |
| Test 14 | 110 | 3.0×10 |
| Test 15 | 120 | 2.9×10 |
| Test 16 | 130 | 2.5×10 |
| Test 17 | 140 | 2.2×10 |
| Test 18 | 150 | 2.0×10 |
Can be clear and definite according to (table 2), under test 13～18 illumination is situation more than the 100Lux, be that situation below the 90Lux is compared with the illumination of test 11,12, the bacterium number after the cultivation is considerably less, has superior bacteria-eliminating efficacy.
On the contrary, when illumination is below the 90Lux, owing to there not being sufficient luminous energy, so can not obtain sufficient bacteria-eliminating efficacy.By irradiation illumination is that light more than the 100Lux obtains sufficient luminous energy, thereby can improve the antibacterial activity of silver, obtains bigger bacteria-eliminating efficacy.
Figure 35 is the sectional view of the indoor set of expression air conditioner 259.
As shown in the drawing, air conditioner 259 possesses the air cleaning unit 258 that uses in casing 250, cooler 260, cooling fan 261, wind direction shutter 262 and the present embodiment.
At first, as a comparative example 2, prepare argentiferous not sheet carry the simulation exemplar of holding body 201.In air cleaning unit 258, behind the bacterium liquid of the simulation exemplar splash coating staphylococcus aureus that carrying of argentiferous not held body 201, shading was placed 3 hours.Afterwards, take out to carry and hold body 201, clean with physiological saline.Bacterium number in the eluate is roughly 1.0 * 10
6CFU/cc.The measurement of bacterium number is carried out by the following method, carries out the flat board dilution at the standard agar medium that is:, after cultivating 48 hours under 35 ℃, and the bacterium colony of counting agar medium shape.In addition, under air conditioner 259 out-of-operation states, test.
(test example 3)
As test example 3, then, in air cleaning unit 258, hold the bacterium liquid of the staphylococcus aureus of splash coating and comparative example 2 same amounts on the body 201 carrying of the sheet of mylar after, shading was placed 3 hours, used acrylic adhesives with 2g/m on the above-mentioned mylar
2The basic zirconium phosphate silver that to be coated with silver-colored allotment amount be 3wt%.Afterwards, take out to carry and hold body 201, clean with physiological saline.Bacterium number in the eluate is 1.0 * 10
3CFU/cc can confirm to have anti-microbial property.
In addition, under air conditioner 259 out-of-operation states, implement test.
(test example 4)
Then, as test example 4, further light source 217 adopts the LED of central peak wavelength 450nm to test.That is, in air cleaning unit 258, hold the bacterium liquid of splash coating and the staphylococcus aureus of comparative example 2 same amounts on the body 201 carrying of the sheet of mylar after, shading was placed 3 hours, the use acrylic adhesives is with 2g/m on the above-mentioned mylar
2The basic zirconium phosphate silver that to be coated with silver-colored allotment amount be 3wt% takes out to carry and holds body 201, cleans with physiological saline.In addition, carry out shading during test, the light from the outside must not be entered.In addition, carry the average illumination of holding on the body 201 and be adjusted into 150LUX.Bacterium number after the cultivation of holding the bacterium that body 201 washes out in postradiation year is 4.0 * 10, can confirm to have antibacterial effect.
Then, the air conditioner 259 by test example 4 carries out 1 hour cooling operation, and after stopping, light source 217 adopts the LED of central peak wavelength 450nm to test.Irradiation time is 3 hours, carries out shading the light from the outside must not be entered.Carry the average irradiation luminous intensity of holding on the body 201 and be adjusted into 150LUX.From shining the bacterium number that carrying after 3 hours hold after the cultivation of the bacterium that body 201 washes out is 1.0 * 10.
At this, behind the cooling operation, the high humidity that becomes in the air conditioner 259, the photochemical catalyst of silver reacts necessary moisture when having abundant irradiation, so active the raising.
In addition, carry out 1 hour warming operation in the air conditioner 259 of test example 4, after stopping, light source 217 adopts the LED of central peak wavelength 450nm to test.Irradiation time is 3 hours, carries out shading the light from the outside must not be entered.Carry the average irradiation luminous intensity of holding on the body 201 and be adjusted into 150LUX.Bacterium number after the cultivation of holding the bacterium that body 201 washes out in 3 hours postradiation year is 1.2 * 10.
At this, behind the warming operation, the high temperature that becomes in the air conditioner 259, the photochemical catalyst reactivity of the silver when illumination is penetrated improves.
Figure 36 represents the sectional view of air cleaning unit.
Among this figure, supply unit 255 is installed in casing 250.Supply unit 255 is the supply unit to the internal feed moisture of casing 250.Carry to hold in the body 201 and use mylar, use acrylic adhesives on this mylar with 2g/m
2The basic zirconium phosphate silver that to be coated with silver-colored allotment amount be 3wt%, the air cleaning unit of this figure is arranged in the refrigerating chamber of freezer.
At first, as a comparative example 3, prepare argentiferous not sheet carry the simulation exemplar of holding body 201.In the air cleaning unit of this figure, behind the bacterium liquid of the simulation exemplar splash coating staphylococcus aureus that carrying of argentiferous not held body 201, shading was placed 3 hours.Afterwards, take out to carry and hold body 201, clean with physiological saline.Bacterium number in the eluate is roughly 1.0 * 10
6CFU/cc.The measurement of bacterium number is carried out by the following method, carries out the flat board dilution at the standard agar medium that is:, after cultivating 48 hours under 35 ℃, and the bacterium colony of counting agar medium shape.In addition, under the out-of-operation state of freezer, test.
(test example 5)
As test example 5, in air cleaning unit, behind the bacterium liquid of splash coating on the filter of the sheet of mylar and the staphylococcus aureus of comparative example 3 same amounts, shading was placed 3 hours, and the use acrylic adhesives is with 2g/m on the above-mentioned mylar
2The basic zirconium phosphate silver that to be coated with silver-colored allotment amount be 3wt%.Take out afterwards to carry and hold body 201, clean with physiological saline.Bacterium number in the eluate is 1.0 * 10
3CFU/cc can confirm to have anti-microbial property.In addition, under the out-of-operation state of freezer, implement test.
(test example 6)
Then, as test example 6, further light source 217 adopts the LED of central peak wavelength 470nm to test.That is, in air cleaning unit 258, behind the bacterium liquid that carries the staphylococcus aureus of holding body 201 splash coatings and comparative example 3 same amounts of the sheet of mylar, carry out irradiation in 3 hours, the use acrylic adhesives is with 2g/m on the above-mentioned mylar
2The basic zirconium phosphate silver that to be coated with silver-colored allotment amount be 3wt% takes out to carry and holds body 201, cleans with physiological saline.In addition, carry out shading during test, so that must not enter from the light of outside.In addition, carry the average irradiation luminous intensity of holding on the body 201 and be adjusted into 150LUX.Bacterium number after the cultivation of holding the bacterium that body 201 washes out in postradiation year is 3.9 * 10, compares with embodiment 5, can confirm to be enhanced by the irradiates light antibacterial effect.
(test example 7)
Then, as test example 7, the refrigeration running of freezer was carried out 1 hour, after stopping, light source 217 adopts the LED of central peak wavelength 470nm to test.In addition, supply with the material after the ice making water atomizing from supply unit 255.Irradiation time is 3 hours, carries out shading the light from the outside must not be entered.Carry the average illumination of holding on the body 201 and be adjusted into 150LUX.Bacterium number after the cultivation of the bacterium that washes out from the filter that shines after 3 hours is 0.9 * 10, with test example 6 relatively, can confirm that anti-microbial property further improves.
In test example 7, the inside of the air cleaning unit high humidity that becomes, the photochemical catalyst of silver reacts necessary moisture when having abundant irradiation, so active the raising.
(the additional item of embodiment 1～10 and embodiment)
More than, embodiment 1～10 and embodiment have been described, but also contained various technical characterictics in these explanations can have been carried out various combinations and implement.
For example, freezer 100 also can possess the bactericidal device 301 of embodiment 5 in vegetable compartment 104, and possesses the bactericidal device with ventilation fan 220 200 of embodiment 7 in refrigerating chamber 102.
Utilizability on the industry
The present invention can improve the degerming ability of freezer efficiently, also can be applicable to the purposes in food storage storehouse etc.
In addition, by will holding body and irradiation means is arranged on discharge portion, can be with cold air cleaning expeditiously before in refrigerating chamber, blowing out. Therefore, also can be applicable to the purposes of office freezer, air cleaning machine, air conditioner etc.
In addition, particularly be suitable for the freezer etc. of storage food etc. under higher temperatures.
Claims (5)
1. freezer, it comprises: the heat insulating box that is made of heat-barrier material, form storeroom in inside; Open and close the door of the peristome that is installed on described heat insulating box freely; Cool off the air in the described heat insulating box and generate the cooling body of cold air; The circulating cold air path that described cold air circulates between described storeroom and described cooling body, described freezer is characterised in that:
In described circulating cold air path, possess to carry and hold carrying of photochemical catalyst and hold body; With excite the irradiation means of the exciting light of described photochemical catalyst to holding the body irradiation in described year,
In described circulating cold air path, described cold air circulates between described storeroom and described cooling body by fan,
Described irradiation means during flowing around described cold air was being held body in described year, was held body to described year and is shone described exciting light.
2. freezer as claimed in claim 1 is characterized in that:
Described irradiation means, it is synchronous that the opening and closing of the power supply of the irradiation that is used for described exciting light by making described irradiation means and the rotation of described fan drive the opening and closing of power supply of usefulness, can cold air around holding body in described year, flow during, be described fan rotation during held body to described year and shine described exciting light.
3. freezer as claimed in claim 1 is characterized in that:
Described irradiation means, even also under the situation that described fan does not rotate, but described door open during held body to described year and shine described exciting light.
4. freezer as claimed in claim 3 is characterized in that:
Described irradiation means, make the power supply of the irradiation that is used for described exciting light of described irradiation means, only under described door closing state and the rotation of the described fan power supply that drives usefulness be for closing under the situation of closing, in other cases for opening, thus, during the rotation of described fan and described door open during, held body to described year and shine described exciting light.
5. freezer as claimed in claim 1 is characterized in that:
Also possess: it is outer and constitute the pipeline of the part in described circulating cold air path to be present in described storeroom; With the windscreen that can block from the inflow of cold air in described storeroom of described pipeline with opening and closing,
Holding body and described irradiation means in described year is installed in the described storeroom, described irradiation means, the power supply of the irradiation that is used for described exciting light of described irradiation means is for opening when described windscreen is out state, when described windscreen when closing state described power supply for closing, thus, when cold air holding in described year body around flow during held body to described year and shine described exciting light.
Applications Claiming Priority (22)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-111296 | 2007-04-20 | ||
| JP2007111296 | 2007-04-20 | ||
| JP2007-118702 | 2007-04-27 | ||
| JP2007-118695 | 2007-04-27 | ||
| JP2007118700 | 2007-04-27 | ||
| JP2007-118700 | 2007-04-27 | ||
| JP2007118703 | 2007-04-27 | ||
| JP2007118701 | 2007-04-27 | ||
| JP2007-118698 | 2007-04-27 | ||
| JP2007-118692 | 2007-04-27 | ||
| JP2007118698 | 2007-04-27 | ||
| JP2007118702 | 2007-04-27 | ||
| JP2007-118701 | 2007-04-27 | ||
| JP2007118695 | 2007-04-27 | ||
| JP2007-118703 | 2007-04-27 | ||
| JP2007118697 | 2007-04-27 | ||
| JP2007118694 | 2007-04-27 | ||
| JP2007-118697 | 2007-04-27 | ||
| JP2007-118694 | 2007-04-27 | ||
| JP2007118692 | 2007-04-27 | ||
| JP2007197100A JP5211574B2 (en) | 2007-07-30 | 2007-07-30 | refrigerator |
| JP2007-197100 | 2007-07-30 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800128760A Division CN101663550B (en) | 2007-04-20 | 2008-04-17 | Refrigerator with a door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102080916A true CN102080916A (en) | 2011-06-01 |
| CN102080916B CN102080916B (en) | 2013-12-25 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110047348 Expired - Fee Related CN102080916B (en) | 2007-04-20 | 2008-04-17 | Refrigerator with a door |
| CN 201110047308 Expired - Fee Related CN102080915B (en) | 2007-04-20 | 2008-04-17 | Refrigerator with a door |
| CN 201110047330 Expired - Fee Related CN102062512B (en) | 2007-04-20 | 2008-04-17 | Refrigerator with a door |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110047308 Expired - Fee Related CN102080915B (en) | 2007-04-20 | 2008-04-17 | Refrigerator with a door |
| CN 201110047330 Expired - Fee Related CN102062512B (en) | 2007-04-20 | 2008-04-17 | Refrigerator with a door |
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| Country | Link |
|---|---|
| CN (3) | CN102080916B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575032A (en) * | 2012-07-31 | 2014-02-12 | 日立空调·家用电器株式会社 | Refrigerator |
| CN111380286A (en) * | 2018-12-27 | 2020-07-07 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225377A (en) * | 2012-01-12 | 2016-12-14 | 东芝生活电器株式会社 | Refrigerator |
| CN104075532A (en) * | 2013-03-29 | 2014-10-01 | 海尔集团公司 | Air-cooled refrigerator |
| KR20180094742A (en) * | 2017-02-16 | 2018-08-24 | 서울바이오시스 주식회사 | Deodorizing device inclduing suction fan and refrigerator including the same |
| CN111569605B (en) * | 2020-05-20 | 2022-03-29 | 绥阳县华丰电器有限公司 | Combined multi-stage purifying filter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3754601B2 (en) * | 2000-06-16 | 2006-03-15 | 株式会社東芝 | refrigerator |
| JP4374806B2 (en) * | 2001-07-26 | 2009-12-02 | 三菱電機株式会社 | Freezer refrigerator |
| JP4172247B2 (en) * | 2002-01-08 | 2008-10-29 | 三菱電機株式会社 | refrigerator |
| CN1233973C (en) * | 2002-08-19 | 2005-12-28 | 乐金电子(天津)电器有限公司 | Pickled vegetable electric refrigerator |
| JP2005052714A (en) * | 2003-08-01 | 2005-03-03 | Matsushita Electric Ind Co Ltd | Deodorization device and refrigerator loaded therewith |
| JP2005065622A (en) * | 2003-08-26 | 2005-03-17 | Mbr:Kk | Irradiation device for preserving vegetable |
| CN1325862C (en) * | 2004-01-20 | 2007-07-11 | 河南新飞电器有限公司 | Optical catalyst negative ino sterilizing refrigerator |
| CN1558169A (en) * | 2004-01-30 | 2004-12-29 | 河南新飞电器有限公司 | Refrigerator with sterilization and disinfection function |
-
2008
- 2008-04-17 CN CN 201110047348 patent/CN102080916B/en not_active Expired - Fee Related
- 2008-04-17 CN CN 201110047308 patent/CN102080915B/en not_active Expired - Fee Related
- 2008-04-17 CN CN 201110047330 patent/CN102062512B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575032A (en) * | 2012-07-31 | 2014-02-12 | 日立空调·家用电器株式会社 | Refrigerator |
| CN103575032B (en) * | 2012-07-31 | 2016-04-13 | 日立空调·家用电器株式会社 | Refrigerator |
| CN111380286A (en) * | 2018-12-27 | 2020-07-07 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN111380286B (en) * | 2018-12-27 | 2022-01-25 | 海尔智家股份有限公司 | Refrigerator and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102062512A (en) | 2011-05-18 |
| CN102080915B (en) | 2013-12-25 |
| CN102080916B (en) | 2013-12-25 |
| CN102062512B (en) | 2013-12-25 |
| CN102080915A (en) | 2011-06-01 |
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