CN103384801A

CN103384801A - Refrigerator

Info

Publication number: CN103384801A
Application number: CN2012800099270A
Authority: CN
Inventors: 笹木宏格
Original assignee: Toshiba Corp; Toshiba Consumer Electronics Holdings Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2011-02-23
Filing date: 2012-01-25
Publication date: 2013-11-06
Anticipated expiration: 2032-01-25
Also published as: CN103384801B; JP2012172935A; CN106196853A; WO2012114813A1

Abstract

This refrigerator stores food, and is provided with: a storage chamber that opens at the front surface, which is the user side; a door that can operate between both a closed state that closes the front surface of the storage chamber and an open state that opens the front surface of the storage chamber; a cold-air pathway that has an entrance and an exit, the entrance and the exit each being connected to the inside of the storage chamber; a fan device that draws in air within the storage chamber from the entrance of the cold-air pathway into the cold-air pathway, and discharges the air drawn into the cold-air pathway into the storage chamber from the exit of the cold-air pathway; a cooler that cools the air flowing within the cold-air pathway; a filter that is provided within the cold-air pathway, has a plurality of holes through which the air flowing within the cold-air pathway can pass, and to which a photocatalyst that is reactive to visible light is adhered at the inner surfaces of the plurality of holes; and a light source that, to the filter, radiates visible light for exciting the photocatalyst of the filter when the door is in the closed state.

Description

Refrigerator

Technical field

Embodiments of the invention relate to refrigerator.

Background technology

Possesses odor removal in refrigerator.This odor removal is disposed in the cold air path of cool-air feed in the storeroom, and has the photochemical catalyst of ultraviolet-responsive.The photochemical catalyst of this ultraviolet-responsive contacts with the air that flows in the cold air path, produces oxidability by illuminated ultraviolet ray.And the photochemical catalyst of this ultraviolet-responsive is in the situation that remove the harmful substances such as organic compound and bacterium having produced the air of oxidability in the cold air path.

The prior art document

Patent documentation 1: day disclosure 2002-277152 communique.

Summary of the invention

Invent problem to be solved

In the situation that above-mentioned refrigerator needs to produce ultraviolet ray by applying high voltage to space discharge mechanism, therefore need complicated insulation system.

For the technical scheme of dealing with problems

The refrigerator of embodiment possesses storeroom, door, cold air path, fan assembly, cooler, filter and light source.Described storeroom, it places food, and user's side is front openings.Described door, it can be with the blocking of the front locking of described storeroom and operating the open state of the open at its front of described storeroom each other.Described cold air path, it has entrance and outlet, and described entrance and described outlet are connected respectively with in described storeroom.Described fan assembly, it attracts the entrance of the air in described storeroom from described cold air path in described cold air path, and will attract the air in the described cold air path to be released in described storeroom from the outlet of described cold air path.Described cooler, its cooling air that flows in described cold air path.Described filter, it is arranged in described cold air path, and has a plurality of holes that air mobile in described cold air path can pass through, and the inner surface separately in described a plurality of holes adheres to the photochemical catalyst that visible light-responded property is arranged.Described light source, it is used for activating the visible light of the photochemical catalyst of described filter to described filter irradiation under the blocking of described door.

Description of drawings

Fig. 1 means the cutaway view that the inside of the refrigerator of embodiment 1 consists of.

Fig. 2 means the figure of the outward appearance of odor removal filter.

Fig. 3 means the figure suitable with Fig. 1 of embodiment 2.

Fig. 4 means the figure suitable with Fig. 1 of embodiment 3.

Fig. 5 means the figure suitable with Fig. 1 of embodiment 4.

Fig. 6 means the figure suitable with Fig. 1 of embodiment 5.

Fig. 7 means the figure suitable with Fig. 1 of embodiment 6.

Fig. 8 means the figure suitable with Fig. 1 of embodiment 7.

The specific embodiment

(embodiment 1)

As shown in Figure 1, housing 1 constitutes the rectangular shape that user's side is the perpendicular length of front openings, has diapire 2, left side wall 3, right side wall, roof 4 and rear wall 5.Housing 1 places interior case in the inside of outer container, and filling heat insulator and consisting of in the gap between outer container and interior case.Diapire 2, left side wall 3, roof 4 and rear wall 5 are all not transmissive of visible light.In the inside of housing 1, be fixed with the upper partition wall 6 of level, the middle partition wall 7 of level and the lower partition wall 8 of level.Middle partition wall 7 places the heat-insulating material of solid shape and consists of in plastic box.Upper partition wall 6 and lower partition wall 8 comprise respectively plastic plate.Upper partition wall 6, middle partition wall 7 and lower partition wall 8 are all not transmissive of visible light.

As shown in Figure 1, in housing 1, be formed with refrigerating chamber 9, vegetable compartment 10, upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12.This refrigerating chamber 9, vegetable compartment 10, upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12 are front openings in user's side respectively.Refrigerating chamber 9 is formed at the top of upper partition wall 6.Vegetable compartment 10 is formed between upper partition wall 6 and middle partition wall 7.Upper strata refrigerating chamber 11 is formed between middle partition wall 7 and lower partition wall 8.Lower floor's refrigerating chamber 12 is formed at the below of lower partition wall 8.

As shown in Figure 1, in housing 1, be equipped with R door 13, V door 14, upper F door 15 and lower F door 16.These R doors 13, V door 14, upper F door 15 and lower F door 16 are operated between blocking and open state by the user respectively.These R doors 13, V door 14, upper F door 15 and lower F door 16 are all not transmissive of visible light.R door 13 is disposed at the place ahead of refrigerating chamber 9.V door 14 is disposed at the place ahead of vegetable compartment 10.Upper F door 15 is disposed at the place ahead of upper strata refrigerating chamber 11.Lower F door 16 is disposed at the place ahead of lower floor's refrigerating chamber 12.

V door 14 under open state with the open at its front of vegetable compartment 10.Like this, can be to carrying out picking and placeing of food in vegetable compartment 10.R door 13 under open state with the open at its front of refrigerating chamber 9.Like this, can be to carrying out picking and placeing of food in refrigerating chamber 9.This R door 13 forms gap 17 between the front end face of the back of R door 13 and upper partition wall 6 under blocking.In the situation that

R door

13 and 14 both lockings of V door, refrigerating chamber 9 and vegetable compartment 10 become airtight conditions by

R door

13 and 14 lockings of V door respectively.In addition, in this case, air can connect between circulation ground, gap 17 is with refrigerating chamber 9 and vegetable compartment 10.

Lower F door 16 under open state with the open at its front of lower floor's refrigerating chamber 12.Like this, can be to carrying out picking and placeing of food in lower floor's refrigerating chamber 12.Upper F door 15 under open state with the open at its front of upper strata refrigerating chamber 11.Like this, can be to carrying out picking and placeing of food in upper strata refrigerating chamber 11.Should upper F door 15 form gap 18 between the front end face of the back of upper F door 15 and lower partition wall 8 under blocking.In the situation that upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12 both be blocking, upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12 become airtight conditions by upper F door 15 with lower F door 16 lockings respectively.In addition, in this case, air can connect between circulation ground, gap 18 is with upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12.

As shown in Figure 1, in housing 1, be fixed with and perpendicular cover 19 and horizontal lid 20.Erecting and covering 19 is not translucent parts of transmissive of light, and is disposed in refrigerating chamber 9.Should perpendicular build 19 rear walls 5 along housing 1 and point to above-below direction, and be the groove shape of back opening.Should perpendicular cover 19 back by rear wall 5 lockings of housing 1, perpendicular cover 19 and rear wall 5 between be formed with the R that air can pass through and erect cold air path 21.Horizontal lid 20 is transparent components of energy transmissive, and is disposed in refrigerating chamber 9.This horizontal lid 20 points to fore-and-aft direction along the roof 4 of housing 1, is the groove shape of top opening.The upper surface of this horizontal lid 20 is by roof 4 lockings of housing 1.Between horizontal lid 20 and roof 4, be formed with the horizontal cold air path 22 of R that air can pass through.The rearward end of the horizontal cold air path 22 of R is connected with the upper end of the perpendicular cold air path 21 of R.

The horizontal cold air path 22 of the perpendicular cold air path 21 of R and R consists of R cold air path 23.At R cold air path 23, be formed with an entrance 24, final outlet 25 and a plurality of central exit 26.Entrance 24 is formed at the bottom of the perpendicular cold air path 21 of R, and is disposed in vegetable compartment 10.Final outlet 25 is formed at the leading section of the horizontal cold air path 22 of R, and is disposed in refrigerating chamber 9.A plurality of central exits 26 are formed between the bottom and upper end of the perpendicular cold air path 21 of R, and are disposed in refrigerating chamber 9.

As shown in Figure 1, the entrance 24 at R cold air path 23 is fixed with R fan electromotor 27.Rotating shaft at R fan electromotor 27 is fixed with R fan 28.In the situation that R door 13 and V door 14 are respectively blocking, when 27 running of R fan electromotor, by the rotation of R fan 28, reach the entrance 24 that vegetable compartment 10 interior air enter R cold air path 23 in refrigerating chamber 9.And the air that enters the entrance 24 of R cold air path 23 erects the interior rising of cold air path 21 at R.The part of the interior air that has risen of R perpendicular cold air path 21 from a plurality of central exits 26 be released in refrigerating chamber 9 and in refrigerating chamber 9 before the rear flow direction.In addition, the air by whole a plurality of central exits 26 from final outlet 25 be released in refrigerating chamber 9 and in refrigerating chamber 9 before the rear flow direction.Namely, R fan electromotor 27 and R fan 28 formations make air and reach the R fan assembly of R cold air path 23 interior circulations in refrigerating chamber 9 and in vegetable compartment 10.

As shown in Figure 1, in housing 1, be formed with F cold air path 29.This F cold air path 29 has entrance 30, upper outlet 31, middle outlet 32 and lower outlet 33.Entrance 30, upper outlet 31, middle outlet 32 and lower outlet 33 are disposed at respectively in lower floor's refrigerating chamber 12.Upper outlet 31 is disposed in upper strata refrigerating chamber 11.Be fixed with F fan electromotor 34 in this F cold air path 29.Rotating shaft at this F fan electromotor 34 is fixed with F fan 35.In the situation that upper F door 15 and lower F door 16 are respectively blocking, when 34 running of F fan electromotor, by the rotation of F fan 35, the air in upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12 enters the entrance 30 of F cold air path 29.And, enter F cold air path 29 entrance 30 air a part from upper outlet 31 be released in upper strata refrigerating chamber 11 and in upper strata refrigerating chamber 11 before the rear flow direction.In addition, remaining air from middle outlet 32 and lower outlet 33 be released in lower floor's refrigerating chamber 12 and in lower floor's refrigerating chamber 12 before the rear flow direction.Namely, F fan electromotor 34 and F fan 35 formations make air reach the F fan assembly of F cold air path 29 interior circulations in upper strata refrigerating chamber 11 and lower floor's refrigerating chamber 12.

As shown in Figure 1, be formed with Machine Room 36 on housing 1.This Machine Room 36 is communicated with the outside of housing 1.Be fixed with the compressor 37 of freeze cycle in Machine Room 36.This compressor 37 as drive source, and has compressor electric motor the outlet of discharging refrigerant and sucks the suction inlet of cold-producing medium.At the outlet of compressor 37, through the condenser of freeze cycle and be connected with R evaporimeter 38 and F evaporimeter 39.In the situation that turning round, compressor electric motor separately passes through condenser to this R evaporimeter 38 and F evaporimeter 39 the supply system cryogens from the outlet of compressor.And the cold-producing medium that has passed through the cold-producing medium of R evaporimeter 38 and passed through F evaporimeter 39 is got back to respectively the suction inlet of compressor 37.

As shown in Figure 1, R evaporimeter 38 is fixed in the perpendicular cold air path 21 of R.R evaporimeter 38 is with respect to whole downstreams that are disposed at air stream of a final outlet 25 and a plurality of central exit 26.When R fan electromotor 27 is operating condition, to R evaporimeter 38 air supplies.R evaporimeter 38 from compressor 37 by under the state of condenser the supply system cryogen, seize heat from this air when R fan electromotor 27 during for the operating condition air supply.Like this, R evaporimeter 38 makes the air of emitting from a final outlet 25 and a plurality of central exit 26 become cold wind.

F evaporimeter 39 is fixed in F cold air path 29.F evaporimeter 39 is disposed at the downstream of air stream with respect to upper outlet 31, middle outlet 32 and lower outlet 33.When F fan electromotor 34 is operating condition, to F evaporimeter 39 air supplies.F evaporimeter 39 from compressor 37 by under the state of condenser the supply system cryogen, seize heat from this air when F fan electromotor 34 during for the operating condition air supply.Like this, F evaporimeter 39 makes the air of emitting from upper outlet 31, middle outlet 32 and lower outlet 33 become cold wind.

As shown in Figure 1, at the roof 4 of housing 1, be positioned at refrigerating chamber and 9 be fixed with case LED40 and LED lid 41.The interior LED40 of case is project visible light from the top down.LED40 becomes the on-state that is supplied to power supply, project visible light under every kind of state of the blocking of R door 13 and open state in this case.LED lid 41 covers LED40 in case from the below, and makes the fore-and-aft direction of visible light in refrigerating chamber 9 and the whole regional diffusion separately of left and right directions of LED40 projection in the case.LED40 and LED lid 41 is configured to respectively the final outlet 25 towards R cold air path 23 in this case.LED40 covers the part of the visible lights of 41 projections by LED in the case, directly enters in the final outlet 25 of R cold air path 23 under each state of the blocking of R door 13 and open state.In this case, LED40 and LED lid 41 consists of case inner light source 42.And, use in the case LED40 cover 41 visible lights that throw by LED in refrigerating chamber 9 under the open state of R door 13 and throw light on.

As shown in Figure 1, in refrigerating chamber 9, be fixed with a plurality of light-passing boards 43 and a reflecting plate 44.These a plurality of light-passing boards 43 and a reflecting plate 44 leave respectively the compartment of terrain and arrange on above-below direction.And, at these a plurality of light-passing boards 43 and a reflecting plate 44, place food.Reflecting plate 44 is in the upper horizontal ground configuration of the light-passing board 43 of the superiors, and relative with horizontal lid 20 from the below.This reflecting plate 44 has the color of the catoptrical white of energy.And, from the part of the visible light of case inner light source 42 projection by by reflecting plate 44 reflections in horizontal lid 20 enters the final outlet 25 of R cold air path 23.A plurality of light-passing boards 43 are transparent components of energy transmissive.Therefore, the remainder that is not reflected plate 44 reflections from the visible light of case inner light source 42 projection, a plurality of light-passing boards 43 of transmission and propagating.

As shown in Figure 1, in the final outlet 25 of R cold air path 23, be fixed with odor removal filter 45.As shown in Figure 2, odor removal filter 45 has the filter frame 46 of front and back opening and is fixed in the interior filter body 47 of filter frame 46.Odor removal filter 45 is fixed by clipping filter frame 46 with the roof 4 of housing 1 and horizontal lid 20.The filter body 47 of this odor removal filter 45 is by consisting of the netted combination of a plurality of glass fibres, and has a plurality of holes.These a plurality of glass fibres are coated with visible light-responded property on its surface, namely have responding to visible light character such as photochemical catalysts such as tungsten oxides, and the inner surface in a plurality of holes is covered by photochemical catalyst.

Air before the rear flow direction can pass through these a plurality of holes in the horizontal cold air path 22 of R under the operating condition of R fan electromotor 27, and air is by the contact of Kong Shiyu photochemical catalyst.This photochemical catalyst under each state of the blocking of R door 13 and open state from case inner light source 42 by the direct irradiation visible light and indirectly shone visible light from reflecting plate 44 by horizontal lid 20 oxidability occurs.Namely, oxidability occurs in photochemical catalyst under each state of the blocking of R door 13 and open state.Like this, the air of odor removal filter 45 in R cold air path 23 removed the harmful substances such as organic compound and bacterium air in R cold air path 23 before in final outlet 25 is released to refrigerating chamber 9.

According to described embodiment 1, play following effect.

At the interior configuration odor removal filter 45 of R cold air path 23.And, pass through the 45 irradiation visible lights from case inner light source 42 to odor removal filter under the blocking of R door 13, thereby activate the photochemical catalyst of the visible light-responded property of odor removal filter 45.Like this, with not needing high-tension insulation system to utilize the simple formation of case inner light source 42, can remove harmful substance the air in R cold air path 23.And, make the photochemical catalyst of visible light-responded property be attached to the inner surface in a plurality of holes of odor removal filter 45.Therefore, the Exposure with respect to photochemical catalyst during a plurality of hole due to the air in R cold air path 23 by odor removal filter 45 increases, therefore can be efficiently air in the R cold air path 23 remove harmful substance.

(embodiment 2)

As shown in Figure 3, the rear wall 5 at housing 1 is fixed with special light source 51.This special light source 51 comprises the LED of project visible light from back to front.From the radiation of visible light of special light source 51 projection to odor removal filter 45.This special light source 51 becomes the off-state with dump under the open state of R door 13, under the blocking of R door 13, become the on-state of supply power.Under the blocking of R door 13, photochemical catalyst for odor removal filter 45, except from the directapath of case inner light source 42 and the indirect path from case inner light source 42, also shine visible light on the directapath from special light source 51, the photochemical catalyst generation oxidability of odor removal filter 45.

In above-described embodiment 2, can adopt that LED40 is the formation of off-state in the blocking nowel of R door 13.Namely, can be under the blocking of R door 13 45 the photochemical catalyst irradiation visible light from special light source 51 to odor removal filter only.

(embodiment 3)

As shown in Figure 4, at horizontal lid 20, be formed with the not opaque deodorizing layer 61 of transmissive of light.This deodorizing layer 61 has consisting of such as photochemical catalysts such as tungsten oxides of visible light-responded property by the whole inner surface coating of horizontal cold air path 22 sides of the R in horizontal lid 20.Air before the rear flow direction contacts with deodorizing layer 61 in the horizontal cold air path 22 of R under the operating condition of R fan electromotor 27.This deodorizing layer 61, under arbitrary state of the blocking of R door 13 and open state all by from the directapath of case inner light source 42 and from the indirect path of case inner light source 42 and on from the directapath of special light source 51 the irradiation visible light oxidability occurs.Like this, the air of deodorizing layer 61 in R cold air path 23 removed the harmful substances such as organic compound and bacterium air in R cold air path 23 before in final outlet 25 is released to refrigerating chamber 9.

In above-described embodiment 3, can adopt that LED40 is the formation of off-state in the blocking nowel of R door 13.Namely, can be under the blocking of R door 13 deodorizing layer 61 irradiation visible lights of 45 photochemical catalyst and horizontal lid 20 from special light source 51 to odor removal filter only.

In above-described embodiment 1～3, the parts that can use a plurality of sheet materials to engage one another to form are used as the filter body 47 of odor removal filter 45.This filter body has the hole of a plurality of polygonal shapes of front and back opening.These a plurality of holes can make air pass through under the operating condition of R fan electromotor 27, and the inner surface in these a plurality of holes is coated with photochemical catalyst.

(embodiment 4)

As shown in Figure 5, in housing 1, be positioned at refrigerating chamber 9 and be fixed with and perpendicular cover 71.Should perpendicular build 71 rear walls 5 along housing 1 and point to above-below direction, and be the groove shape of back opening.Should perpendicular cover 71 back by rear wall 5 lockings of housing 1.In addition, perpendicular cover 71 and rear wall 5 between be formed with the R that air can pass through and erect cold air path 72.Should perpendicular cover 71 is transparent components of energy transmissive.And, in R cold air path 72, cover 71 and shine visible lights by perpendicular from case inner light source 42 under the blocking of R door 13 and open state.

As shown in Figure 5, at R cold air path 72, be formed with an entrance 73, final outlet 74 and a plurality of central exit 75.Entrance 73 is disposed at the bottom of R cold air path 72.Be fixed with R fan electromotor 27 at entrance 73.Under the operating condition of R fan electromotor 27, air enters in R cold air path 72 by entrance 73 in refrigerating chamber 9 and in vegetable compartment 10.A plurality of central exits 75 are disposed between the bottom and upper end of R cold air path 72.And under the operating condition of R fan electromotor 27, a part that enters the air in R cold air path 72 is released in refrigerating chamber 9 from a plurality of central exits 75.Final outlet 74 is disposed at the upper end of R cold air path 72.Under the operating condition of R fan electromotor 27, the whole air by a plurality of central exits 75 is released in refrigerating chamber 9 from final outlet 74.In this R cold air path 72, be fixed with R evaporimeter 38.R evaporimeter 38 is disposed at the downstream of air stream with respect to a plurality of central exits 75.And R evaporimeter 38 makes the air of emitting from final outlet 74 and a plurality of central exit 75 become cold wind.

As shown in Figure 5, at the rear wall 5 of housing 1, be positioned at R cold air path and 72 be formed with deodorizing layer 76.This deodorizing layer 76 is disposed at the downstream of air stream with respect to R evaporimeter 38.Cover 71 to deodorizing layer 76 irradiation visible lights from case inner light source 42 by perpendicular.Be coated with in the front of rear wall 5 in this deodorizing layer 76 have visible light-responded property such as photochemical catalysts such as tungsten oxides.By the air of R evaporimeter 38, contact with deodorizing layer 76 when the 72 interior rising of R cold air path under the operating condition of R fan electromotor 27.This deodorizing layer 76 covers 71 illuminated visible lights oxidability occurs by perpendicular from case inner light source 42 under the blocking of R door 13 and open state.Like this, deodorizing layer 76 is removed harmful substance at air during in the interior rising of R cold air path 72 from the air that passes through in this R cold air path 72.

According to above-described embodiment 4, play following effect.

Inner surface at R cold air path 72 is formed with deodorizing layer 76.And, by activating deodorizing layer 76 through transparent perpendicular lid 71 to deodorizing layer 76 irradiations from the light of case inner light source 42 projections.Like this, do not need high-tension insulation system, can remove harmful substance the air of simple structure in R cold air path 23 by utilizing case inner light source 42.

(embodiment 5)

As shown in Figure 6, be fixed with a plurality of special light sources 81 in perpendicular 71 the front covered.These a plurality of special light sources 81 comprise respectively the LED of project visible light from front to back.These a plurality of special light sources 81 are disposed at the outside of R cold air path 72.A plurality of special light sources 81 become the off-state with dump under the open state of R door 13, become the on-state of supply power under the blocking of R door 13.And, shine visible lights from case inner light source 42 and a plurality of special light source 81 by perpendicular 71 deodorizing layers 76 in the R cold air path 72 that covers under the blocking of R door 13.

In above-described embodiment 4～5, can cover the part that a part of 71 is provided for light transmission from the visible light of case inner light source 42 projections to deodorizing layer 76 that will shine from perpendicular.

(embodiment 6)

As shown in Figure 7, housing 1 has roof 91 and replaces roof 4.This roof 91 engages one another header board 92, rear plate 93, left plate, right plate, top board 94 and base plate 95, and constitutes the hollow shape of airtight conditions ground sealing.Roof 91 its inner spaces are reduced pressure into the pressure ratio atmosphere and are forced down.Base plate 94 and base plate 95 are across the adiabatic space that has reduced pressure of roof 91 and relatively.This top board 94 and base plate 95 are respectively the transparent components of energy transmissive.Therefore, the visible light from indoor ligthing paraphernalia projection enters in refrigerating chamber 9 by top board 94, adiabatic space and base plate 95 successively.

As shown in Figure 7, cover 71 front perpendicular, be formed with deodorizing layer 96.Pass through the roof 91 of housing 1 from indoor ligthing paraphernalia to deodorizing layer 96 irradiation visible lights.This deodorizing layer 96 perpendicular cover 71 front be coated with have visible light-responded property such as photochemical catalysts such as tungsten oxides.Air contact deodorizing layer 96 in refrigerating chamber 9.Oxidability by occuring from indoor ligthing paraphernalia through the illuminated visible light of roof 91 of housing 1 in this deodorizing layer 96.And deodorizing layer 96 is removed harmful substance in the situation that oxidability occurs from the air in refrigerating chamber 9.

As shown in Figure 7, in refrigerating chamber 9, be fixed with a plurality of shelves 97.These a plurality of shelves 97 are horizontal arrangement respectively, and configures on above-below direction with respect to the central exit 75 of R cold air path 72 with staggering.Be formed with respectively deodorizing layer 98 at this above a plurality of shelves 97.Pass through the roof 91 of housing 1 to these a plurality of deodorizing layers 98 irradiation visible lights from indoor ligthing paraphernalia respectively.These a plurality of deodorizing layers 98 have consisting of such as photochemical catalysts such as tungsten oxides of visible light-responded property by being coated with respectively on shelf 97.A plurality of deodorizing layers 98 of air contact in refrigerating chamber 9.Oxidability by occuring from indoor ligthing paraphernalia through the illuminated visible light of roof 91 of housing 1 in these a plurality of deodorizing layers 98.And a plurality of deodorizing layers 98 are removed harmful substance in the situation that oxidability occurs from the air in refrigerating chamber 9.

According to above-described embodiment 6, play following effect.

At interior deodorizing layer 96 and the deodorizing layer 98 of arranging of refrigerating chamber 9.And, by shining visible lights through the roof 91 of housing 1 to deodorizing layer 96 and deodorizing layer 98 from indoor ligthing paraphernalia, activate deodorizing layer 96 and deodorizing layer 98.Like this, use does not need to remove harmful substance the air of high-tension insulation system in refrigerating chamber 9.And, because the roof 91 at housing 1 has formed adiabatic space, therefore can suppress the decline of the heat-insulating property of refrigerating chamber 9.

In above-described embodiment 6, can be at the perpendicular 71 fixing a plurality of LED that cover.These a plurality of LED are project visible light from back to front.And oxidability by occuring from the LED project visible light in the deodorizing layer 98 of a plurality of shelves 97.Preferably, in the situation that this formation makes a plurality of LED be respectively on-state under the blocking of R door 13, make a plurality of LED be respectively off-state under the open state of R door 13.

(embodiment 7)

As shown in Figure 8, at left side wall 3, right side wall, roof 4 and the rear wall 5 of housing 1, lay respectively at the indoor and be outer surface ground and be formed with deodorizing layer 101.These a plurality of deodorizing layers 101 are made of making such as photochemical catalysts such as tungsten oxides of visible light-responded property.In addition, R door 13, V door 14, on F door 15 and lower F door 16, the outer surface ground that also lays respectively at as the indoor is formed with deodorizing layer 101.Indoor air contacts with these whole deodorizing layers 101.And these whole deodorizing layers 101 are removed harmful substance in the situation that oxidability occurs from indoor air by from indoor ligthing paraphernalia irradiation visible light, oxidability occuring.

In above-described embodiment 1～7, can use titanium oxide to be used as photochemical catalyst.

Although understand several embodiments of the present invention, still, these embodiment are only illustration, are not that intention limits scope of the present invention.These new embodiment can implement with other variety of ways, can carry out various omissions, replacement, change in the scope that does not break away from purport of the present invention.These embodiment and distortion thereof also are contained in the scope and spirit of the present invention and are contained in the invention of putting down in writing with technical scheme and in the scope that is equal to.

Claims

1. refrigerator is characterized in that possessing:

Storeroom, it places food, and user's side is front openings;

Door, it can be with the blocking of the front locking of described storeroom and operating the open state of the open at its front of described storeroom each other;

The cold air path, it has entrance and outlet, and described entrance and described outlet are connected respectively with in described storeroom;

Fan assembly, it attracts the entrance of the air in described storeroom from described cold air path in described cold air path, and will attract the air in the described cold air path to be released in described storeroom from the outlet of described cold air path;

Cooler, its cooling air that flows in described cold air path;

Filter, it is arranged in described cold air path, and has a plurality of holes that air mobile in described cold air path can pass through, and the inner surface in described a plurality of holes adheres to the photochemical catalyst that visible light-responded property is arranged; With

Light source, it is used for activating the visible light of the photochemical catalyst of described filter to described filter irradiation under the blocking of described door.

2. refrigerator according to claim 1, is characterized in that,

As described light source, possess:

Case inner light source, its projection under the open state of the blocking of described door and the described door visible light in described storeroom that is used for throwing light on; With

Special light source, it shines visible light to described filter under the blocking of described door.

3. refrigerator is characterized in that possessing:

Storeroom, it places food, and user's side is front openings;

The cold air path, it has entrance and outlet, and is connected in described entrance and described outlet and described storeroom;

Cooler, its cooling air that flows in described cold air path;

Photocatalyst layer, it is arranged in described storeroom, is released to outlet from described cold air path the photochemical catalyst that air in described storeroom contacted and comprised visible light-responded property; With

The window of light transmission, it is arranged at the wall of described storeroom, and is used for and will shines to described photocatalyst layer from the visible light of indoor luminaire projection.

4. refrigerator according to claim 3, is characterized in that,

Described window is the hollow shape of sealing, and has relative to each other the first transparent panel and the second transparent panel, is formed with the adiabatic space of comparing low pressure with atmospheric pressure between described the first transparent panel and described the second transparent panel.

5. refrigerator is characterized in that possessing:

Storeroom, it places food, and user's side is front openings;

Cooler, its cooling air that flows in described cold air path;

Photocatalyst layer, it is arranged at the inner surface of described cold air path, contacts and comprise the photochemical catalyst of visible light-responded property with the air that flows in described cold air path; With

The case inner light source, it is project visible light under the open state of the blocking of described door and described door, and throws light in to described storeroom by project visible light under the open state of described door,

Part or all of the wall of described cold air path has the light transmission that can shine to described photocatalyst layer from the visible light of described case inner light source projection.