CN1265162C

CN1265162C - Refrigerator

Info

Publication number: CN1265162C
Application number: CNB2004100434967A
Authority: CN
Inventors: 高木康志; 及川诚; 及川巧; 久山秀人; 小川泰典
Original assignee: Toshiba Corp; Toshiba Consumer Marketing Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Consumer Marketing Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2003-05-12
Filing date: 2004-05-12
Publication date: 2006-07-19
Anticipated expiration: 2024-05-12
Also published as: TW200504321A; CN1550743A; KR20040097907A; KR100591622B1; TWI266850B; JP2004333101A

Abstract

The invention provides an effect of freshness retainment without continuously operating a negative ion generator when carrying out freshness retainment by negative ions of food stored in a refrigerator. By carrying out control of turning on the negative ion generator 1 by a controller 4 when a door opening/closing detector 3 detects that a refrigerator door 2 is opened, the negative ion generator is operated to wipe out germs only for a period wherein it is easy for germs to come in along with air. By this, electricity expense is saved, and actual service life of the negative ion generator is extended in comparison with constantly operating the negative ion generator while maintaining the freshness retainment effect of food in the refrigerator.

Description

Refrigerator

Technical field

The present invention relates to have the refrigerator of negative ion generating device.

Background technology

In the past, have the refrigerator of anion generator in the case, if the certain hour continuous action, then anion generator can very fast end-of-life, thereby controls to guarantee the life-span of anion generator by moving at interval with certain hour/stopping.

Patent documentation 1: the Japan Patent spy opens the 2003-42645 communique

Patent documentation 2: the Japan Patent spy opens the 2003-121050 communique

But, this traditional refrigerator is with in the anion generator control technology, such as, even also will make anion generator move at a certain time interval the night that people are going to bed, refrigerator doors is opened hardly during this period, although thereby the chance that enters in the case of assorted bacterium few, but still anion generator is moved, there is the problem of the meaningless power consumption that the action of anion generator causes, in addition, has the problem of the very fast end of life-span of anion generator.

The present invention is used to solve above-mentioned traditional technical problem, its purpose is to provide a kind of and carries out fresh-keeping to the foods using anion that is stored in the refrigerator, even the discontinuous operation anion generator also can obtain effect, with the continuous operation specific energy inhibition electricity charge mutually, can also prolong the refrigerator in anion generator life-span.

Summary of the invention

The refrigerator of technical scheme 1 of the present invention is characterized in that, comprising: the interior anion generator of case that is arranged on refrigerator; The door open-close detection apparatus of described refrigerator; And described anion generator moved/control device that stops to control, described control device makes described anion generator action when the door that utilizes described door open-close detection apparatus to detect described refrigerator is opened.

The refrigerator of technical scheme 1 of the present invention, by the action of described anion generator being controlled to detecting at the door open-close detection apparatus, thus only assorted bacterium enter with outer gas easily during make the anion generator action kill assorted bacterium.Thus, when the freshness that can keep food in the case keeps effect, with make continuously all the time the anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

The refrigerator of technical scheme 2 of the present invention, it is characterized in that, be on the basis of the refrigerator of technical scheme 1, comprise: the door of described refrigerator makes the fan rotation when opening, make cold air between the food of refrigerator and outer gas mobile with interdict in the case food with outside the air curtain device that directly contacts of gas; Described control device moves the action of described anion generator and described air curtain device linkedly.

The refrigerator of technical scheme 2, by opening refrigerator doors, make the anion generator action linkedly with it during the air curtain device action, only assorted bacterium enter with outer gas easily during utilize air curtain to suppress the rising that enters the temperature inside the box that causes because of outer gas, and anion generator moved and kill the bacterium of mixing.Thus, the freshness of food keeps in the effect in improving case, with make continuously all the time the anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

Technical scheme 3 of the present invention, it is characterized in that, be on the basis of the refrigerator of technical scheme 1, described control device, after the door that detects described refrigerator by described door open-close detection apparatus is closed, make described anion generator proceed the action of certain hour, still make anion generator proceed certain hour action after closing by refrigerator doors, can kill the assorted bacterium that enters when open in the case as much as possible.Thus, with make continuously all the time anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator, and the freshness that can keep food in the case keeps effect.

Technical scheme 4 of the present invention, it is characterized in that, be on the basis of the refrigerator of technical scheme 1, described control device, the door that detects described refrigerator by described door open-close detection apparatus makes described anion generator action when opening, when this open mode has continued when certain hour is above described anion generator to be stopped, in the common use, the door open hour are several 10 seconds, very short, be regarded as unusual user mode when open above the long door of this time, can eliminate the unrestricted long-time meaningless continuous action of anion generator, suppress power consumption, prolong the life-span of anion generator simultaneously.

Technical scheme 5 of the present invention, it is characterized in that, be on the basis of the refrigerator of technical scheme 1, described control device, when the door that detects described refrigerator by described door open-close detection apparatus is opened, make described anion generator and after this this open and-shut mode irrespectively carry out the action of certain hour continuously, thereby the control of anion generator is oversimplified, and with make continuously all the time anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

Technical scheme 6 of the present invention, it is characterized in that, be on the basis of technical scheme 1, a plurality of anion generators are set, by the action of at least 1 anion generator being controlled when opening to the door that detects described refrigerator at the door open-close detection apparatus, only assorted bacterium enter with outer gas easily during make the anion generator action to kill assorted bacterium.Thus, the freshness of food keeps in the effect in improving case, with make continuously all the time the anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

As mentioned above, technical scheme 1 of the present invention, by the action of described anion generator being controlled to detecting at the door open-close detection apparatus, thus only assorted bacterium enter with outer gas easily during make the anion generator action kill assorted bacterium.Thus, when the freshness that can keep food in the case keeps effect, with make continuously all the time the anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

Technical scheme 2 of the present invention, by opening refrigerator doors, make the anion generator action linkedly with it during the air curtain device action, only assorted bacterium enter with outer gas easily during utilize air curtain to suppress the rising that enters the temperature inside the box that causes because of outer gas, and anion generator moved and kill the bacterium of mixing.Thus, the freshness of food keeps in the effect in improving case, with make continuously all the time the anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

Technical scheme 3 of the present invention, still make anion generator proceed the certain hour action after closing by refrigerator doors, can kill the assorted bacterium that enters when open in the case as much as possible, thus, with make continuously all the time anion generator action mutually specific energy save the electricity charge, the substantive life-span of anion generator can also be prolonged, and the freshness maintenance effect of food in the case can be kept.

Technical scheme 4 of the present invention, in the common use, the door open hour are several 10 seconds, very short, be regarded as unusual user mode when open above the long door of this time, can eliminate the unrestricted long-time meaningless continuous action of anion generator, suppress power consumption, and can prolong the life-span of anion generator.

Technical scheme 5 of the present invention, the door that detects refrigerator is when opening, make described anion generator and after this this open and-shut mode irrespectively carry out the action of certain hour continuously, thereby the control of anion generator is oversimplified, and with make continuously all the time anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

Technical scheme 6 of the present invention, in having the refrigerator of a plurality of anion generators, by the action of at least 1 anion generator being controlled when opening to the door that detects refrigerator at the door open-close detection apparatus, only assorted bacterium enter with outer gas easily during make the anion generator action to kill assorted bacterium.Thus, the freshness of food keeps in the effect in improving case, with make continuously all the time the anion generator action mutually specific energy save the electricity charge, can also prolong the substantive life-span of anion generator.

Description of drawings

Fig. 1 is the front view of the refrigerator doors open mode of expression embodiments of the invention 1.

Fig. 2 is the functional block diagram of the anion generator control device of expression the foregoing description.

Fig. 3 is the anion generator control flow chart of the anion generator control device of expression the foregoing description.

Fig. 4 is the flow chart that another anion generator of the anion generator control device of expression the foregoing description is controlled.

Fig. 5 is the front view of the refrigerator doors open mode of expression embodiments of the invention 2.

Fig. 6 is the functional block diagram of the anion generator control device of expression the foregoing description.

Fig. 7 is the refrigerator longitudinal side cutaway view of expression embodiments of the invention 3.

Fig. 8 is the functional block diagram of the anion generator control device of expression the foregoing description.

The specific embodiment

Below, with reference to accompanying drawing embodiments of the invention are described.Fig. 1 and Fig. 2 represent the refrigerator 10 of embodiments of the invention 1.Have anion generator 1, refrigerating-chamber door 2, refrigerating-chamber door switch 3 in the refrigerating chamber of this refrigerator 10.And has the control device 4 of the apparatus for controlling of refrigerant circulation that carries out freezing, refrigeration cycle control and the action of carrying out anion generator 1/stop to control such as bottom and back at the suitable place of this refrigerator 10.

Refrigerating-chamber door switch 3 moves by the on-off action of refrigerating-chamber door 2, will open/close signal input control device 4.Control device 4 moves/stops control according to condition shown in Figure 3 to anion generator 1.

That is, in case input gate switch 3 open signal (step S1), then to this open signal be continue in or (step S3) judged in input now.Open when being judged as now, then start certain hour (such as 10 minutes) timer A, make anion generator 1 action (step S5, S7).Then, when the timing of timer A arrives 10 minutes, to YES branch, make anion generator 1 continue to continue to move (step S1-S3-S9-S7) at step S9.

Refrigerating-chamber door 2 is under the state of opening, and the Ruo Menkai signal continues 10 minutes, then at step S9 to NO branch, make anion generator 1 stop (step S1-S3-S9-S17).

On the other hand, in case input gate switch 3 close signal (opening blackout), then control device 4 at step S1 to NO branch, to close signal be continue in or close now and judge (step S11).By this judgement, close when being judged as now, then start another certain hour (such as 10 minutes) timer B.After this continue closed conditions as door 2, then only make 10 minutes (step S1-S11-S15-S7) of anion generator 1 action.Door 2 is closed the timing of back timer B and was passed through 10 minutes, makes anion generator 1 stop (step S1-S11-S15-S17).

Thus, use in the anion generator control device at the refrigerator of embodiment 1, if refrigerating-chamber door 2 is opened, anion generator 1 is moved, utilize 1 pair of anion generator to enter assorted bacterium in the case, mould etc. and remove, thereby can keep the freshness of food in the refrigerating chamber, and be limited to certain hour by action to anion generator 1 with outer gas, compare with continuous operation and can suppress the electricity charge, prolong its substantial life-span.

In addition, in the present embodiment,, then regard unusual use as, anion generator 1 is stopped, can suppressing the anion generator 1 long-time meaningless caused power consumption of action if refrigerating-chamber door 2 continues to open more than 10 minutes.

The refrigerator of present embodiment, in case the refrigerating-chamber door of opening 2 is closed, then another timer B makes anion generator 1 continue action 10 minutes, even the assorted bacterium that enters when opening the door, mould and so on remain in the case, also can remove, can keep the freshness of food by the action of anion generator 1.And the actuation time of anion generator 1 only be limited to the required time, so with continuous operation mutually specific energy save the electricity charge, can also prolong its substantive life-span.

But, in the present embodiment,, can merely be controlled to be and make anion generator 1 action during refrigerating-chamber door 2 is opened, after door 2 is closed anion generator 1 be stopped in order to simplify control.

In addition, also can be shown in the flow chart of Fig. 4, be controlled to door 2 and in a single day open, then timer A action is controlled to the open and-shut mode that makes anion generator 1 and after this door 2 and irrespectively only moves certain hour (such as 10 minutes) (step S21～S27).In common use, the long just several 10 seconds again time of opening of the door 2 of refrigerator 10, continuing for a long time more than this opened, then can regard the use that is not common as, utilize 1 pair of food of anion generator to carry out fresh-keeping, simultaneously to limiting its actuation time, thereby can suppress meaningless power consumption.

But, the binding hours of timer A, timer B was not limited to 10 minutes, can carry out the length change according to the characteristic of refrigerator.

Below, utilize Fig. 5 and Fig. 6 to describe with the anion generator control device for the refrigerator of embodiments of the invention 2.The characteristics of embodiment 2 are, comprising: the interior anion generator 1 of case that is arranged on refrigerator 10; The door 2 of refrigerator 10 makes fan 5 rotations when opening, make make cold air between the food of refrigerator and outer gas mobile with interdict in the case food with outside the air curtain function of the air curtain 7 that directly contacts of gas; And anion generator 1 moved/control device 4 that stops to control, by this control device 4, anion generator 1 and air curtain are moved linkedly with the action of fan 5.

Thus, among the embodiment 2, the rising of the temperature inside the box that the inflow of outer gas causes in the time of can suppressing open by the air curtain function, and utilize the action of anion generator 1 to suppress entering of assorted bacterium, mould and so on, thus can carry out the maintenance of food freshness effectively.And, with make anion generator 1 continuously the occasion of operation compare and can suppress the electricity charge.

Below, utilize Fig. 7 and Fig. 8 to describe with the anion generator control device for the refrigerator of embodiments of the invention 3.Embodiment 3 is characterised in that, is provided with a plurality of

anion generators

31,32 in the case of refrigerator 30.

In the cutaway view of the longitudinal side of refrigerator shown in Figure 7, refrigerator body 30 is the rectangular box shape of front openings, is formed by heat-insulating material 35 fillings such as foam urethane fat between outer container 33 and the interior case 34.In addition, the inner face of interior case is fixed with the dividing plate (refrigerating chamber base plate) 36 that synthetic resin is made.The effect of this dividing plate 36 is that refrigerating chamber (storeroom) 37 is formed at the top in the refrigerator body 30, and vegetable compartment 38 is formed at the bottom, and the leading section of refrigerator 37 is equipped with rotating refrigerator doors 39.

Form cold air path between the ceiling 42 of refrigerating chamber 37 and the interior case 34, utilize fan 44 to introduce in the pipeline at the refrigerating chamber back side with the cold air of cooler 43 from refrigerating chamber, circulate in refrigerating chamber 37 from each blow-off outlet, simultaneously, the cold air path from the smallpox board also circulates cold air towards refrigerating-chamber door 39 sides.On this smallpox board, be provided with the 1st anion generator 31.The circulation cold air of the epimere of refrigerating chamber 37 arrives lower space by behind the 1st anion generator 31 from the refrigerating chamber upper space.

Below dividing plate 36, be fixed with support plate 40 with leaving predetermined distance.The front opening of dividing plate 36 guides cold air from refrigerating chamber 37 sides towards the cold air path (circulation canal) 41 that forms between dividing plate 36 and support plate 40.And, in cold air path 41, be equipped with the 2nd anion generator 32.The rear end side of support plate 40 is towards vegetable compartment 38 openings, and the circulation cold air that imports cold air path 41 from refrigerating chamber 37 sides enters vegetable compartment 38 after by the 2nd anion generator 32.

But vegetable compartment door 46 fore-and-aft directions are slidably mounted on the leading section of vegetable compartment 38.In addition, below thermal baffle 47, form refrigerating chamber 48.This refrigerating chamber 48 is with respect to the vegetable compartment 38 and refrigerating chamber 37 thermal isolations of top, but to the doorstep 49 and Xiamen 50 fore-and-aft directions be slidably mounted on the leading section of refrigerating chamber 48.Circulating cold air to refrigerating chamber is carried out with cooler 51 and fan 52 by refrigerating chamber.

Bottom in refrigerator body 30 forms Machine Room 53, is equipped with the air compressor machine 54 of kind of refrigeration cycle in Machine Room 53.This air compressor machine 54 is driven by air compressor motor 55, and air compressor motor 55 is electrically connected with control device 56.In addition, the the 1st and the

2nd anion generator

31,32 and

fan

44,52 and control device 56 are electrically connected, by this control device 56, carry out that the operation control (FREQUENCY CONTROL of air compressor motor) of kind of refrigeration cycle, the starting of

fan

44,52/stop to be controlled, the action of

anion generator

31,32/stop control.

Signal input control device 56 will be opened/be closed to refrigerating-chamber door switch 57 by the on-off action of refrigerating-chamber door 39.

Below action is described.In case the anion button 58 to the guidance panel (not shown) on refrigerating-chamber door 39 grades that are arranged on refrigerator body 30 is operated, then the 1st, the

2nd anion generator

31,32 moves according to operational mode separately.

The 1st anion generator 31, in case input refrigerating-chamber door 39 open/close signal promptly, door switch 57 open signal, then certain hour (such as 10 minutes) timer A starting makes anion generator 31 actions.Then, the timing of timer A before arriving 10 minutes, the anion generator perseveration.In addition, by with the door on-off action irrespectively make timer B only certain intervals (such as, carried out 10 minutes every 25 minutes) move, can utilize the food in the space of 31 pairs of refrigerating chambers 37 of anion generator to carry out fresh-keeping.

The 2nd anion generator 32 in case action/the stop signal of input refrigerating chamber fan 44 is, the actuating signal of fan 44, then during the action of fan 44, makes 32 actions of the 2nd anion generator.Can carry out fresh-keeping to the food in the space of refrigerating chamber 38.

Promptly, by utilizing 2

anion generators

31,32 to make generating negative ions in the refrigerating space (refrigerating chamber 37, vegetable compartment 38), can make anion arrive each corner of refrigerating space, can kill the assorted bacterium of refrigerating space integral body, thus, can improve the freshness maintenance effect of food in the case significantly.

Again, as mentioned above, owing to make 31,32 actions of 2 anion generators by different separately operational modes, can required anion take place at required time.That is, for the 1st anion generator 31, by moving when opening refrigerating-chamber door 37, the bacterium that can prevent to mix is invaded outside case, and, anionic wind can be blowed to the people who opens door, also can give regeneration effect.

And, by make separately operational mode and other operation control interlock of refrigerator, control is oversimplified, and, with make in advance continuously all the

time anion generator

31,32 action mutually specific energy save the electricity charge, can also prolong the substantive life-span of

anion generator

31,32.

In the foregoing description, in the refrigerating chamber space, dispose a plurality of anion generators, also can obtain same effect but in refrigerating chamber space and refrigerating chamber space, dispose respectively.In addition,, be not limited to ceiling surface 42 and dividing plate 36 for allocation position, such as, be arranged in the back side pipeline 45 etc., can change according to the configuration structure in the refrigerator.

And, in the foregoing description, make the operational mode difference of the 1st and the

2nd anion generator

31,32, but make same operational mode control is more oversimplified.In addition, also can a plurality of anion generators be moved, such as, the 1st, the 2nd anion generator and fan 44 are moved control synchronously, also can obtain same effect.

And, used in the refrigerator of no freon (combustible refrigerant), detect the control that the operation that makes anion generator when cold-producing medium leaks stops as long as packing in advance, the explosion-proof control in the time of just carrying out the cold-producing medium leakage can provide security higher refrigerator.

By anion generator and other deodorization devices and usefulness with the foregoing description, such as, plasma deodorization device, the photochemical catalyst deodorization device of space discharge mechanism can improve deodorizing performance.

Claims

1. a refrigerator is characterized in that having: be arranged on the anion generator in the refrigerator case; The door open-close detection apparatus of described refrigerator; And described anion generator moved/control device that stops to control,

Described control device is to make described anion generator action when the door that utilizes described door open-close detection apparatus to detect described refrigerator is opened.

2. refrigerator as claimed in claim 1 is characterized in that having: air curtain device, its door at described refrigerator make the fan rotation when opening, make cold air between the food of refrigerator and outer gas mobile with interdict in the case food with outside gas directly contact;

Described control device is to make described anion generator action with the action interlock of described air curtain device.

3. refrigerator as claimed in claim 1 is characterized in that, after the door that detects described refrigerator by described door open-close detection apparatus was closed, described control device made described anion generator proceed the action of certain hour.

4. refrigerator as claimed in claim 1, it is characterized in that, when the door that detects described refrigerator by described door open-close detection apparatus was opened, described control device made described anion generator action, when this open mode has continued when certain hour is above described anion generator to be stopped.

5. refrigerator as claimed in claim 1, it is characterized in that, when the door that detects described refrigerator by described door open-close detection apparatus was opened, described control device made described anion generator and after this this open and-shut mode irrespectively carry out the action of certain hour continuously.

6. refrigerator as claimed in claim 1 is characterized in that described anion generator has a plurality of, and the door that detects described refrigerator at the door open-close detection apparatus moves at least 1 anion generator in described a plurality of anion generator when opening.