CN102770728A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
- Publication number
- CN102770728A CN102770728A CN2011800094291A CN201180009429A CN102770728A CN 102770728 A CN102770728 A CN 102770728A CN 2011800094291 A CN2011800094291 A CN 2011800094291A CN 201180009429 A CN201180009429 A CN 201180009429A CN 102770728 A CN102770728 A CN 102770728A
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- China
- Prior art keywords
- collecting article
- freezer
- storeroom
- light quantity
- amount
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/06—Sensors detecting the presence of a product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The disclosed refrigerator (10) can minimize power consumption while keeping stored goods very fresh regardless of how much is stored inside. Said refrigerator is provided with: a refrigerator body (11) inside which a storage chamber (12) is formed; a cooling device (35) that cools the storage chamber (12); a stored-goods estimation unit (22) that estimates the quantity or position of stored goods (33) stored inside the storage chamber (12); and a control unit (23) that controls the cooling of the storage chamber (12) on the part of the cooling device (35) in accordance with estimation results from the stored-goods estimation unit (22).
Description
Technical field
The present invention relates to freezer, particularly can control the freezer of the temperature in the freezer.
Background technology
Home-use freezer in recent years adopts the indirect type of cooling that cold air is circulated through fan usually in freezer.In existing freezer,, make the temperature in the case keep proper temperature through carry out adjustment control according to the testing result of the temperature inside the box.
For example, as making the temperature inside the box keep uniform freezer, there is the freezer (with reference to patent documentation 1) that is provided with movable air-conditioning exhaust unit.
Figure 14 is the figure of front elevation of the refrigerating chamber of expression patent documentation 1 described existing freezer.
As shown in the drawing, in existing freezer, be arranged on the 102 pairs of left and right sides cool-air feeds of movable air-conditioning exhaust unit in the refrigerating chamber 101, make the temperature inside the box realize homogenising.
The look-ahead technique document
Patent documentation
Patent documentation 1: japanese kokai publication hei 8-247608 communique
Summary of the invention
The problem that invention will solve
But even make the temperature inside the box homogenising, collecting article also may not be preserved with optimal temperature.This is because freezer detects the atmosphere temperature in the control cabinet through thermistor, and does not have directly to detect the mechanism of the temperature of collecting article.Therefore, the atmosphere temperature in the case and the actual temperature of collecting article can produce difference.
For example; After dropping into collecting article, door leaf opens and closes after back or the defrosting running etc. for a long time; Temperature in freezer reaches the transition period that there is not fixed temperature of cooling in from the state after rising to case, and generation depends on the temperature difference of the amount of collecting article between the detected temperatures that is disposed at the temperature testing organization in the case and the temperature of collecting article.Therefore, according to the amount of taking in, can change to time of optimal storage temperature.Particularly, usually the amount of taking in after a little while, cool time is short, the amount of taking in for a long time, cool time is long.Particularly the amount of taking in is carried out the sub-cooled running after a little while sometimes, produces " cold excessively " of collecting article.
In addition, in the process adequate time, after the temperature of collecting article was stable at low temperatures, collecting article kept temperature through the thermal capacity of self, so it is many more to have the amount of taking in, and the tendency of easier cooling.Therefore, in existing cooling control, collecting article becomes the state of " cold excessively ", and can not collecting article be cooled to optimal temperature.And therebetween, freezer uses extra consumes electric power to cool off running.
The present invention develops in order to solve above-mentioned existing problem; Its purpose is to provide a kind of freezer, and it all preserves collecting article with the purpose temperature through regardless of the situation of taking in the case; Realize the high-preserved property of collecting article, and can prevent " cold excessively " of collecting article and suppress consumes electric power.
Be used to solve the method for problem
In order to solve above-mentioned existing problem, the freezer of a mode of the present invention comprises: the freezer main body that is formed with storeroom in inside; The cooling device that above-mentioned storeroom is cooled off; The amount of the collecting article of the inside that is accommodated in above-mentioned storeroom or the collecting article that infer the position are inferred portion; With the result that infers who infers portion according to above-mentioned collecting article, the control part that the cooling that utilizes the above-mentioned storeroom that above-mentioned cooling device carries out is controlled.
The invention effect
Freezer of the present invention through detect the situation of taking in advance, based on the operating condition of its information Control freezer; Through regardless of the situation of taking in the case; All preserve collecting article with the purpose temperature; Realize the high-preserved property of collecting article, and can prevent " cold excessively " of collecting article and suppress consumes electric power.
Description of drawings
Fig. 1 is the front elevation of the freezer of embodiment 1 of the present invention.
Fig. 2 is the sectional view under the situation of blocking of the B-B line with Fig. 1 of embodiment 1 of the present invention.
Fig. 3 is the figure that the action that the illuminating part of embodiment 1 of the present invention and light quantity test section carry out is described.
Fig. 4 is the control block diagram of the freezer of embodiment 1 of the present invention.
Fig. 5 A is the figure that transitional control action that the control part to embodiment 1 of the present invention carries out describes.
Fig. 5 B is the figure that transitional control action that the control part to embodiment 1 of the present invention carries out describes.
Fig. 5 C is the figure that transitional control action that the control part to embodiment 1 of the present invention carries out describes.
Fig. 6 is the flow chart that transitional control action that the control part to embodiment 1 of the present invention carries out describes.
Fig. 7 A is the figure that the control action of the control part to embodiment 1 of the present invention stationary phase of carrying out describes.
Fig. 7 B is the figure that the control action of the control part to embodiment 1 of the present invention stationary phase of carrying out describes.
Fig. 7 C is the figure that the control action of the control part to embodiment 1 of the present invention stationary phase of carrying out describes.
Fig. 8 is the flow chart that the control action of the control part to embodiment 1 of the present invention stationary phase of carrying out describes.
Fig. 9 is the control block diagram of the freezer of embodiment 2 of the present invention.
Figure 10 is the figure of structure of the freezer of expression embodiment 3 of the present invention.
Figure 11 is the figure of structure of the freezer of expression embodiment 3 of the present invention.
Figure 12 is the front elevation of the freezer of embodiment 4 of the present invention.
Figure 13 is the control block diagram of the freezer of embodiment 4 of the present invention.
Figure 14 is the front elevation of the refrigerating chamber of existing freezer.
The specific embodiment
The freezer of first invention has: the freezer main body that is formed with storeroom in inside; The cooling device that above-mentioned storeroom is cooled off; The amount of the collecting article of the inside that is accommodated in above-mentioned storeroom or the collecting article that infer the position are inferred portion; With the result that infers who infers portion according to above-mentioned collecting article, the control part that the cooling that utilizes the above-mentioned storeroom that above-mentioned cooling device carries out is controlled.
Thus, owing to the temperature difference of detected temperatures and collecting article in the case of the thermistor that amount or position according to collecting article are changed is revised, so the temperature of collecting article remains on optimal state usually.Therefore,, all preserve collecting article, can realize the high fresh-keeping property of collecting article, and, can suppress consumes electric power through preventing " cold excessively " of collecting article with target temperature through regardless of the situation of taking in the case.
The freezer of second invention preferably also has: illuminating part, and it has the light source to the collecting article irradiates light that is accommodated in above-mentioned storeroom; With the light quantity test section; It is disposed at the inside of above-mentioned storeroom; Via the collecting article that is accommodated in above-mentioned storeroom and works the light quantity by the light of above-mentioned illuminating part irradiation is detected; Wherein above-mentioned collecting article is inferred the testing result of portion according to the light quantity of above-mentioned light quantity test section, and the amount or the position of above-mentioned collecting article are inferred.
Thus, receive light, can realize the amount of collecting article or inferring of position with simple structure from light source irradiation such as LED through the light quantity test section.
The freezer of the 3rd invention is preferably, and above-mentioned control part is inferred the collecting article of portion according to above-mentioned collecting article amount or the result that infers of position select operation mode, control cooling device accordingly with above-mentioned operation mode, so that form predefined the temperature inside the box.
Thus, through according to the amount of collecting article or position and suitably control, how amount or position that can collecting article all preserve collecting article with roughly the same preservation condition (the temperature inside the box); So realize high-preserved property; In addition, prevented coldly, electrically high freezer of a kind of province can be provided thus.
The freezer of the 4th invention preferably also has: the door that the open and close state of the freezer door of the front surface that is installed on above-mentioned storeroom is detected opens and closes test section; Above-mentioned door open and close test section detect above-mentioned freezer door the state that closes during in, above-mentioned illuminating part, above-mentioned light quantity test section, above-mentioned collecting article infers portion and above-mentioned control part begins a series of action.
Thus, through being to carry out light quantity under the state of noiseless light to detect there not being bias light, can be based on higher accuracy of detection control freezer.Thus, how amount that can collecting article or position all preserve collecting article with roughly the same preservation condition, a kind of high-preserved property is provided and economizes electrically high freezer.
The freezer of the 5th invention is preferably, and above-mentioned illuminating part is the illumination (device) that is arranged in the above-mentioned storeroom.
Thus, need not to be provided with special illuminating part, can constitute illuminating part with simple structure.
The freezer of the 6th invention is preferably; Above-mentioned illuminating part has a plurality of light sources; Above-mentioned a plurality of light source is lighted successively; Above-mentioned light quantity test section detects the light quantity by the light of above-mentioned illuminating part irradiation, and above-mentioned collecting article is inferred the testing result of portion according to the light quantity of above-mentioned light quantity test section, and the amount or the position of above-mentioned collecting article are inferred.
Thus, through lighting a plurality of light sources successively, can carry out detailed collecting article and infer.Therefore,, also can detect the collecting article of trickle part even inner at roomy storeroom, thus can improve collecting article amount or position infer precision.
The freezer of the 7th invention preferably also has: the spatial detection portion of the free space in the accommodation space of above-mentioned storeroom being detected through the noncontact mode; Above-mentioned spatial detection portion is detected the spatial volume of the periphery of cold gas exhausting outlet at least; Above-mentioned collecting article is inferred the testing result of portion according to above-mentioned spatial detection portion, and the amount or the position of above-mentioned collecting article are inferred.
Thus, owing to understand the position of free space easily, can take in food smoothly, so realize energy-conservation from the outside.And, take in the electric weight increase that causes for the overfill or near the food the cold gas exhausting outlet of food, can provide a kind of and can promote optimal food configuration, realize the freezer of energy-saving operation.
That is, can detect the shared ratio of volume of food in the accommodation space of the short transverse that comprises food through non-contacting mode.Thus; Owing to can ratio of precision preferably the situation of free space be detected; So confirm easily which part is idle in the accommodation space of refrigerating chamber; Can take in food rapidly, suppress to follow the rising of the temperature inside the box that door leaf opens through the time of opening that shortens door leaf, can realize energy-conservation thus.
And, placing under the situation of food near the cold gas exhausting outlet, even there is enough and to spare in the accommodation space, the discharge rate of cold air also can reduce, the cooling of food postpones slightly, so the cooling effectiveness variation in the storeroom, energy consumption increases.In addition, because near a large amount of excessively cold air of food product flow the cold gas exhausting outlet, so the dry or cold excessively deterioration that causes of food may occur.But, among the present invention, for example can preferentially know other accommodation space and promote food to take in, so can Min. ground suppress the quality deterioration of food.Simultaneously, overfill or the increase of the electric weight under near the situation of taking in food the cold gas exhausting outlet for food can promote energy-saving operation.
The freezer of the 8th invention is preferably, and above-mentioned spatial detection portion and above-mentioned illuminating part clip the accommodation space of taking in collecting article therebetween and be configured.
Thus, owing to come the light of self-luminescent part to incide spatial detection portion,, further improve the accuracy of detection of free space so the variation of the amount of passing through of light depends on the variation of the volume of taking in food easily via food.
The freezer of the 9th invention is preferably, and above-mentioned illuminating part is arranged at the front side of above-mentioned storeroom, and above-mentioned spatial detection portion is arranged at the rear side of above-mentioned storeroom.
Thus, though at the not closed really state of the door leaf of storeroom, promptly outside light be injected under the situation in the storeroom, also can detect free space, the accuracy of detection of free space further improves.
The freezer of the tenth invention preferably also has the identification part, and this identification part will be presented at the outer surface of the door leaf of the front surface that is installed on above-mentioned storeroom by the information of the free space in the detected accommodation space of above-mentioned spatial detection portion.
Thus, know free space easily, can successfully take in food, and before opening door leaf, can see the reception position of the food of taking in, can further shorten the time that door leaf is opened from the outside from the outside.
The freezer of the 11 invention is preferably, and above-mentioned identification part informs it is the warning picture that electric weight increases running as the information demonstration of above-mentioned free space to the user.
Thus, can the overfill of food or near the food the cold gas exhausting outlet be taken in the electric weight such as electric weight increase that cause increases running and informs to the user.
Below, with reference to accompanying drawing embodiment of the present invention is described.In addition, this embodiment and be not used in qualification the present invention.
(embodiment 1)
Below, based on Fig. 1～Fig. 8 embodiment 1 of the present invention is described.
Fig. 1 is the front elevation of the freezer of embodiment of the present invention 1, and Fig. 2 is the sectional view under the situation of blocking with the B-B line of Fig. 1 in this embodiment.
In these figure; Freezer 10 has the freezer main body 11 as heat insulating box; Freezer main body 11 mainly the outer containers through using steel plate, by the interior case of resin formings such as ABS, in the space of outer container and interior case, be provided with the structure of heat-barrier material, with form on every side heat insulation.
Freezer main body 11 is heat insulation to be divided into a plurality of storerooms; Topmost is a refrigerating chamber 12; Below this refrigerating chamber 12, laterally be arranged side by side ice-making compartment 13 and switched chamber 14, below this ice-making compartment 13 and switching chamber 14, disposed refrigerating chamber 15, and dispose vegetable compartment 16 at foot.And at the front surface of this each storeroom, in order to demarcate with extraneous air, each is disposed at the front surface peristome of freezer main body 11.In addition, near the central portion of the refrigerating-chamber door 12a of refrigerating chamber 12, dispose the operating portion 17 that the temperature inside the box setting, ice making and quench cooled etc. of carrying out each chamber are set.
In refrigerating chamber 12, be provided with a plurality of accepting racks 18, the accepting rack 18 of the part in these a plurality of accepting racks 18 constitutes with the mode that can move up and down.
In addition, in refrigerating chamber 12, be provided with illumination 19, illuminating part 20 and light quantity test section 21.
Door in freezer 10 is opened the side front surface, and illumination 19 is disposed at respectively than 1/2 of the depth size in the case along longitudinal direction and more leans on the front side and be positioned at front end left side wall and the right side wall more on the front than accepting rack 18.
The position of the illumination 19 of illuminating part 20 disposed adjacent two walls in about similar freezer has the light source to the collecting article irradiates light that is accommodated in refrigerating chamber 12.
Light quantity test section 21 is disposed at the rear position in the refrigerating chamber 12, and via collecting article that is accommodated in refrigerating chamber 12 and works, and the light quantity by the light of illuminating part 20 irradiations is detected.
In addition, the configuration of light quantity test section 21 is not limited to be disposed at via the works of collecting article that is accommodated in refrigerating chamber 12 and case inside and by the position that illuminating part 20 shines, also can be disposed at the arbitrary position in the case.
In addition, in the Machine Room of the rear area of the topmost that is formed at refrigerating chamber 12, take in compressor 30 and the high-pressure side component parts that carries out the kind of refrigeration cycle such as drying machine that moisture removes.
Be provided with the cooling chamber that generates cold air at the back side of refrigerating chamber 15, in cooling chamber, dispose cooler and will be transported to refrigerating chamber 12 by the cooled cold air of cooler, switch the cooling fan of chamber 14, ice-making compartment 13, vegetable compartment 16 and refrigerating chamber 15.In addition, for frost and ice attached to cooler and periphery thereof are defrosted, dispose pharoid, drain pan and drainage tube evaporating dish etc.
Refrigerating chamber 12 is for stored refrigerated, and the lower limit set with non-icing temperature is 1 ℃～5 ℃ usually, and the vegetable compartment 16 of foot is set at the temperature identical with refrigerating chamber 12, or than its higher 2 ℃～7 ℃.In addition, refrigerating chamber 15 is set in the cryogenic temperature territory,, is set at-22 ℃～-15 ℃ usually for freezing preservation, but in order to improve freezing preservation state, for example also is set at the low temperature of-30 ℃ or-25 ℃ sometimes.
The water that ice-making compartment 13 usefulness are sent here from the water storage tanks (not shown) in the refrigerating chamber 12 is by the automatic ice maker that is arranged at indoor top (not shown) ice making, and preserves in the water container that is configured in indoor bottom (not shown).
In addition; In this embodiment,, also can refrigerate with refrigerating chamber 12 and vegetable compartment 16 though will switch chamber 14 as the storeroom that comprises refrigeration and freezing temperature field; Freezing with refrigerating chamber 15, and with its storeroom as the specialization of only switching in the said temperature territory of refrigeration and freezing centre.In addition, also can be as being fixed in the storeroom of specific temperature field, for example follow in recent years that the demand of frozen food increases gradually, also can be as being fixed in freezing storeroom.
In addition, the storeroom rear area that also goes for common foot at heat insulating box in the existing freezer about the item of major part of invention in this above-mentioned embodiment is provided with the Machine Room, the freezer 10 of the type of configuration compressor 30.
For the as above freezer of structure, describe in the face of its action and effect down.
Below, with reference to Fig. 3 the action of illuminating part 20 and light quantity test section 21 is at length described.Fig. 3 is the figure that the action that illuminating part in the embodiment 1 of the present invention 20 and light quantity test section 21 carry out is described.
As shown in the drawing, from be disposed at freezer about the light of illuminating part 20 output of two walls, in the irradiation refrigerating chamber 12 with being accommodated in refrigerating chamber 12 inner collecting article 33.In addition, the part from the light of this illuminating part 20 outputs incides the light quantity test section 21 that is disposed in the refrigerating chamber 12.
In the figure; In refrigerating chamber 12, take under the situation of collecting article 33; Because the existence of collecting article 33, thus show produce from about regional A, arbitrary side's area B and the arbitrary side's in the left and right sides the equal state of the zone C of crested not of light of irradiates light 34a crested of the equal crested of irradiates light 34a of illuminating part 20 of two side surface sides.
In this case, owing to be in the area B from the irradiates light 34a crested of arbitrary side's illuminating part 20, light quantity test section 21 detects corresponding light quantity and output.In addition, under the more situation of the amount of collecting article 33, because the regional A of crested increases together, the detection light quantity of light quantity test section 21 reduces.In addition, under the less situation of the amount of taking in, because all not zone C of crested increases of arbitrary side's irradiates light 34a, so the detection light quantity of light quantity test section 21 increases.
As stated, detecting the light quantity that the difference because of the amount of the existence of collecting article 33 and collecting article 33 or position causes by light quantity test section 21 changes.And, through this light quantity testing result is differentiated according to predefined defined threshold, can classify to the amount (many still few) or the position of the collecting article in the case 33.Details is of the back.
In addition, illuminating part 20 through with illumination 19 dual-purposes that are arranged at usually in the freezer 10, need not to be provided with new light source, just can infer receiving state with more simple structure.That is, also can use as illuminating part 20, the amount or the position of collecting article 33 are inferred through the illumination 19 that will be arranged in the refrigerating chamber 12.
Then, use control block diagram as shown in Figure 4, control action is described.Fig. 4 is the control block diagram of the freezer 10 in the embodiment 1 of the present invention.
As shown in the drawing, the freezer 10 in the embodiment of the present invention 1 also has collecting article and infers portion 22 and control part 23 except that above-mentioned illuminating part 20 and light quantity test section 21.
Collecting article is inferred the amount or the position of collecting article that 22 pairs in portion is accommodated in the inside of refrigerating chamber 12 and is inferred, and will infer the result and output to control part 23.Particularly, collecting article is inferred the testing result of portion 22 according to the light quantity of light quantity test section 21, and the amount or the position of collecting article are inferred.
For example; In the transitional period; In the moment of regulation, illuminating part 20 carries out luminous, under the testing result of light quantity test section 21 situation bigger than setting; Collecting article is inferred portion 22, and to infer the amount of collecting article less, and the rotating speeds that control part 23 gets into compressors 30 automatically suppress and the cold excessively constant pitch electric operations that prevent to turn round.
In addition; Under the situation below the setting, collecting article is inferred portion 22, and to infer the amount of taking in more in the testing result of light quantity test section 21, and control part 23 increases the rotating speed of compressors 30; So that in official hour, reach design temperature, enter into automatically than the high common running of economize on electricity running rotating speed.
Perhaps; Control part 23 is regulated temperature through following mode: the rotating speed of being not only compressor; Under the situation of economize on electricity running, interdict the air channel of cold air being sent into each receiving room through opening and closing structure, under the situation of running usually; To cold air being sent into the air channel of each receiving room, open the air quantity of cold air through switching mechanism control.
In addition; Below; Represented that collecting article infers the amount of 22 pairs of collecting articles of portion and infer; Control part 23 is inferred the example of the amount control cooling device 35 of the collecting article that portion 22 infers according to collecting article, but infers the position that collecting article is inferred by portion 22 for collecting article, and control part 23 is inferred the collecting article that portion 22 infers according to collecting article the situation of Position Control cooling device 35 is also identical.
Below, with reference to Fig. 5 A～Fig. 5 C, the action that the control part 23 of transitional freezer is carried out describes.Fig. 5 A～Fig. 5 C is the figure that the transitional control action that the control part in the embodiment 1 of the present invention 23 carries out is described.
In addition, after the so-called transitional period is meant and drops into collecting article, open and close behind the door leaf for a long time or the defrosting running after etc., the temperature in the freezer 10 be cooled in from the state after rising to case design temperature during.Transitional the temperature inside the box amplitude of fluctuation is generally than design temperature ± 3 ℃ big upset condition.
Particularly, Fig. 5 A has represented to carry out under the situation of the amount of taking in (below, standard) of standard the action with existing same temperature controlled control part 23.In addition, Fig. 5 B representes the action of control part 23 under the situation that the amount of taking in Duos than the standard amount of taking in, and Fig. 5 C representes the action of control part 23 under the situation that the amount of taking in lacks than the standard amount of taking in.In addition, for the ease of explanation, the kind of each collecting article is all identical.
In addition, in Fig. 5 B and Fig. 5 C, solid line is represented the detected temperatures of collecting article in the case in this embodiment, and dotted line representes to carry out the time dependence of the detected temperatures of collecting article under the situation of existing control.In addition, K0 is the storage temperature of predefined collecting article 33.Control part 23 is under the situation that the amount of taking in is Duoed than standard and under the situation about lacking than standard, infers the result of the amount of taking in the portion 22 based on collecting article, and the operating condition of cooling device 35 is switched.
In addition, Fig. 5 A is illustrated under the amount of taking in of standard, the collecting article variations in temperature the when rate of taking in the case is 50% ± 10% degree.In this embodiment, be that benchmark is controlled with this variations in temperature.It is characterized in that: the determinating reference of " standard how much " of the amount of taking in is difference owing to size, formation or the control mode of freezer, so needn't show at this.
Under the situation that the collecting article of taking in of the same race 33 is Duoed than standard, the detection light quantity of light quantity test section 21 reduces, and detects the minimizing of light quantity through this, and it is more that collecting article is inferred the amount of taking in that portion 22 infers in the case.
In this case; Shown in Fig. 5 B, in existing cooling running (dotted line), because collecting article is reduced to design temperature and need be expended time in; So control part 23 increases the rotating speed of compressor 30; Or the internal circulating load of increase cold air, automatically switch to the chilling running, so that in official hour, reach design temperature.Thus, the amount ground that can not rely on collecting article 33 reaches storage temperature in during identical with the situation of Fig. 5 A, and the amount ground that can not rely on collecting article 33 keeps the freshness of collecting article 33.
In addition, under the situation that the amount of taking in is lacked than the standard amount of taking in, the detection light quantity of light quantity test section 21 increases, and detects the increase of light quantity through this, and it is less that collecting article is inferred the amount of taking in that portion 22 infers in the case.
In this case, shown in Fig. 5 C, in existing cooling running (dotted line), occur time that collecting article reaches design temperature sometimes early, and the electric weight of consumptions more than needing cool off the situation of running.Therefore, control part 23 suppresses the rotating speed of compressor 30, or reduces the internal circulating load of cold air, automatically switches to the economize on electricity running, so that in official hour, reach design temperature.Through this action, through slowing down the temperature behavior in the case, obtain energy-saving effect, and can realize suppressing quietization such as rotary speed of cooling fan 31.
Control flow chart with Fig. 6 at length describes these actions.Fig. 6 is the flow chart that the transitional control action that the control part in the embodiment 1 of the present invention 23 carries out is described.
As shown in the drawing, at first, control part 23 judges whether to be transitional period (step 102) according to the temperature inside the box.Then, control part 23 (is Y) in the step 102 under being judged as transitional situation, carry out following control.
At first, control part 23 is used in the illuminating part 20 that carries out collecting article detection action and lights (step 103), and light quantity test section 21 detects the light quantity (step 104) that decays because of collecting article.
Then, collecting article is inferred 22 pairs of this light quantity test section 21 detected light quantities of portion and predetermined threshold value compares, and the level of the amount of taking in is judged (step 105).
Then; Collecting article infers that 22 pairs of amounts of taking in of portion are whether more judges (step 106); Under being judged to be the more situation of the amount of taking in, (be Y in the step 106), control part 23 control cooling devices 35 turn round rapidly, reach design temperature (step 107) until collecting article.
In addition, inferring portion 22 at collecting article, to be judged to be the amount of taking in be not (to be N in the step 106) under the more situation, judges (step 108) to the amount of taking in is whether less.Then, infer portion 22 at collecting article and be judged to be under the less situation of the amount of taking in (being Y in the step 108), the running of economizing on electricity of control part 23 control cooling devices 35 reaches design temperature (step 109) until the amount of taking in.
In addition, inferring portion 22 at collecting article, to be judged to be the amount of taking in be not (in step 108, to be N) under the less situation, and control part 23 judges that the amounts of taking in are standard (step 110), and control cooling device 35 carries out common cooling running (step 111).
Then, use Fig. 7 A～Fig. 7 C, passed through adequate time to dropping into collecting article, the action of the control part 23 of the freezer the during temperature stabilization of collecting article describes.Fig. 7 A～Fig. 7 C is the figure that the control action of stationary phase that the control part in the embodiment 1 of the present invention 23 is carried out describes.
Be meant stationary stage, through the transitional period, after the temperature of collecting article reaches design temperature, the ON/OFF action through the cooling running etc., make the temperature of collecting article keep certain during.The change in the scope of ± 3 ℃ of degree usually of the temperature inside the box of stationary phase.
Particularly, Fig. 7 A representes to carry out under the situation of the amount of taking in (below, standard) of standard the action of the temperature controlled control part 23 identical with prior art.In addition, Fig. 7 B representes the action of the control part 23 of the situation that the amount of taking in is Duoed than standard, and Fig. 7 C representes the action of the control part 23 of the situation that the amount of taking in is lacked than standard.At this, in stationary stage, with cycle T repeatedly between cooling period and stand-down ground cool off.
Under the situation of taking in the collecting article of the same race of Duoing than standard, the detection light quantity of light quantity test section 21 reduces, and detects the minimizing of light quantity through this, and it is more that collecting article is inferred the amount of taking in that portion 22 infers in the case.
In this case, according to the total of the thermal capacity of collecting article, the thermal capacitance quantitative change in the case is big, so the cold insulation ability increases, temperature rises and slows down.Therefore, elongated between cooling period and stand-down shown in Fig. 7 B, to compare during with the standard amount of taking in, cycle T is elongated.
Like this, because the thermal capacity that the collecting article of the state of cooling has played through self makes the temperature inside the box keep the effect of low temperature, K0 compares with design temperature, and the mean temperature K1 of collecting article is in low temperature, promptly becomes " cold excessively ".
Therefore, in this case, control part 23 control cooling devices 35 exceed 1～2 ℃ K2 so that design temperature becomes than K0.Thus, suppress the cold excessively of collecting article and since the temperature of collecting article self remain with design temperature K0 basis about equally on suppress the cooling running, so can be in the state that keeps quality minimizing consumes electric power down.
In addition; The design temperature of K2 is preferably than the rise temperature of " K0-K1 " degree of K0, but as stated, as predefined temperature amplitude; Exceed 1～2 ℃ temperature if be set at, then can prevent because of the rise quality reduction etc. of the collecting article that causes of suddenly temperature.
In addition, under the situation that the amount of taking in is lacked than the standard amount of taking in, the detection light quantity of light quantity test section 21 increases, and detects the increase of light quantity through this, and it is less that collecting article is inferred the amount of taking in that portion 22 infers in the case.
In this case, because collecting article is less, even add up to the thermal capacity of collecting article, the thermal capacity in the case is still less, thus the cold insulation ability a little less than, can produce the temperature tendency faster that rises.And, because thermal capacity is less, so the temperature of collecting article self is followed cooling and reduced fast.
Therefore, shown in Fig. 7 C, shorten between cooling period and stand-down, compare cycle T when taking in and shorten, and the temperature of collecting article self has and remains and design temperature tendency much at one with standard.
In this case, under the situation of identical cooling control, shown in Fig. 7 C, the interval between cooling period and stand-down shortens when carrying out with standard, owing to need frequently carry out air channel control, produces error.Therefore, control part 23 for example delays cooling through reducing amount of cooling water in order to realize further energy-conservationization, controls so that become between cooling period and stand-down identical with common running.
In addition, control part 23 is as the mechanism that reduces amount of cooling water, reduces sometimes or stops the rotating speed of cooling fan 31 and reduce air quantity, or reduce the running rotating speed or the running rate of compressor 30.
Thus, can be set between the cooling period and stand-down identical, and realize the minimizing of the consumes electric power of economize on electricity running with common running.
For the details of these actions, the control flow chart through Fig. 8 describes.The flow chart that Fig. 8 describes for the control action of stationary phase that the control part in the embodiment 1 of the present invention 23 is carried out.
As shown in the drawing, at first, control part 23 judges whether to be stationary phase (step 202) according to the temperature inside the box.Then, control part 23 (being Y in the step 202) under being judged as the situation of stationary phase carries out following control.
At first, control part 23 is used in the illuminating part 20 that carries out collecting article detection action and lights (step 203), and light quantity test section 21 detects the light quantity (step 204) that decays because of collecting article.
Then, collecting article is inferred portion 22 these light quantity test section 21 detected light quantities and predetermined threshold value is compared, and the level of the amount of taking in is judged (step 205).
Then, collecting article infers that 22 pairs of amounts of taking in of portion are whether more judges (step 206), under being judged to be the more situation of the amount of taking in, (is Y in the step 206), and control part 23 control cooling devices 35 make design temperature rise to the temperature K2 (step 207) higher than K0.
In addition, it is not (to be N in the step 206) under the more situation being judged to be the amount of taking in that collecting article is inferred portion 22, and the amount of taking in is judged to be standard or less (step 208).Then, control part 23 control cooling devices 35 carry out the common cooling running or the economize on electricity running (step 209) of minimizing amount of cooling water.
As stated, in the freezer 10 of this embodiment, have: freezer main body 11; Cooling device 35 with cooling in the freezer 10; Be disposed at the assigned position in the freezer 10, have in the irradiation freezer 10 at least more than one the illuminating part 20 of light source of the collecting article 33 inner with being accommodated in freezer 10; Be disposed in the freezer 10,, detect light quantity test section 21 by the light quantity of illuminating part 20 irradiations via collecting article 33 and the works in the freezer 10; Based on the testing result of light quantity test section 21, the collecting article that infer the amount or the position of collecting article 33 is inferred portion 22; Control cooling device 35 with the amount of the collecting article 33 of inferring portion 22 according to collecting article or the result that infers of position, control the temperature inside the box becomes the control part 23 of the temperature setting of regulation.
Thus; From the testing result of light quantity test section 21 amount or the position of collecting article 33 are inferred; Correspondingly suitably control freezer 10 with it; Regardless of the amount or the position of collecting article 33, can both preserve collecting article 33 thus, high-preserved property can be provided and economize electrically high freezer 10 with roughly the same preservation condition.
That is,, under the temperature of purpose, preserve collecting article 33, can realize the high-preserved property of collecting article 33, simultaneously,, can suppress consumes electric power through preventing " cold excessively " of collecting article 33 through regardless of the situation of taking in the case.In addition, through the light that light quantity test section 21 receives from light source irradiation such as LED, can realize the amount of collecting article 33 or inferring of position with simple structure.
In addition, in the transitional period,, can realize energy-saving effect, and realize quietization through under the less situation of the amount of taking in, delaying the temperature behavior in the case.In addition, in stationary phase, because under the more situation of the amount of taking in, there was cold tendency, so, can obtain energy-saving effect through the running of economizing on electricity of the cooling setpoint temperature of raising freezer.
In addition, in this embodiment, collecting article is inferred portion 22 be arranged at refrigerating chamber 12, but also can be arranged at ice-making compartment 13, switch in chamber 14, refrigerating chamber 15 or the vegetable compartment 16.
(embodiment 2)
Then, the freezer in the embodiment 2 of the present invention is described.
Fig. 9 is the control block diagram of the freezer 10a in the embodiment 2 of the present invention.
As shown in the drawing, on the basis of each inscape of the freezer 10 of the freezer 10a in the embodiment 2 in embodiment as shown in Figure 41, also have the door that the open and close state to the freezer door detects and open and close test section 25.
Door opens and closes the open and close state of freezer door that 25 pairs of test sections are installed on the front surface of storeroom and detects.That is, the open and close state of 25 couples of refrigerating-chamber door 12a of door switching test section detects.
Then, door open and close test section 25 detect refrigerating-chamber door 12a the state that closes during in, illuminating part 20, light quantity test section 21, collecting article are inferred portion 22 and a series of action of control part 23 beginnings.
Through this action, the open and-shut mode that carries out refrigerating-chamber door 12a detects, and is in when closing state at door, through making illuminating part 20 and 21 actions of light quantity test section, can easily avoid the influence of bias light.
In addition, when the amount of collecting article or position change, at first, must follow the user to open door, take out or take in food, close this a series of action of door at last, the amount of collecting article or position are detected got final product so only open and close the back at door.That is,, accomplish, can cut down the consumes electric power of using in illuminating part 20 grades with MIN detection action through having a switching test section 25.
In addition, in home-use freezer, a switching detection and case intraoral illumination are associated; Correspondingly make the illumination in the case light/extinguish with the door switching; The open and-shut mode measuring ability of the door through shared this control need not to increase new parts, can realize with simple structure.
(embodiment 3)
Then, the freezer in the embodiment 3 of the present invention is described.
Figure 10 and Figure 11 are the figure of the structure of the freezer 10b in expression this embodiment 3.
In this embodiment 3, in the structure of the freezer of above-mentioned embodiment 1 and 2, the part that can use identical structure and technological thought is omitted detailed explanation.In addition, the structure of explanation can be implemented with 3 combinations of this embodiment in the embodiment 1 and 2.
Shown in figure 10, freezer 10b possess have a plurality of light source 20a～20d illumination 19 as illuminating part.Thus, need not to be provided with special illuminating part, can constitute illuminating part with simple structure.
Door in freezer is opened the side front surface, and illumination 19 is separately positioned on than 1/2 of the depth size in the case along longitudinal direction and more leans on the front side, and is positioned at front end left side wall and the right side wall more on the front than accepting rack 18.In addition, in illumination 19, uniformly-spaced to dispose light source 20a～20d, the top in the irradiation refrigerating chamber 12 is not to the bottom with can having omission on longitudinal direction.
And light quantity test section 21a～21d is configured in the rear position in the refrigerating chamber 12, and the light quantity decay of the irradiates light 34b that these light quantity test sections 21a～21d is mainly covered by collecting article 33 irradiates light 34a detects.
In addition, light quantity test section 21e is configured in the reveal end face of refrigerating chamber 12, and mainly is configured in than 1/2 of depth size in the case and more leans on the front side, to being that the light quantity decay of the irradiates light 34c that covers of the collecting article of reveal detects by the front side.
That is, a plurality of light source 20a～20d are lighted in illumination 19 successively, and 21 pairs of light quantities by the light of illumination 19 irradiations of light quantity test section detect, and collecting article is inferred the testing result of portion 22 according to the light quantity of light quantity test section 21, and the amount or the position of the amount of taking in are inferred.Thus, through lighting a plurality of light sources successively, can carry out detailed collecting article and infer.Therefore,, also can detect the collecting article of trickle part even inner at roomy storeroom, thus can improve collecting article amount or position infer precision.
In addition, in light quantity test section 21a～21e, also can use the equipment that detects light quantity, and the chromaticity transducer etc. that detects illumination, identification RGB.
In addition, shown in figure 11, except that illumination 19, be provided with light source 20e in the case, and the below also is provided with light quantity test section 21f as the illuminating part of end face, can precision well the amount or the position of collecting article be detected.
Door in refrigerating chamber 12 is opened side, and the light source 20e of end face is arranged on than 1/2 of depth size in the case and more leans on the front side.And in this embodiment, light source 20e is configured in, than the front end of accepting rack 18 more lean on reveal and than the door frame 24a～24c that is installed on refrigerating-chamber door 12a more by the depth side.Therefore, in this configuration, cover to the collecting article that the light of light quantity test section 21f irradiation can not be placed on accepting rack 18 and door frame 24a～24c from the light source 20e of end face.
In addition, the light quantity test section 21f of below is also because identical reason, be configured in that front end than accepting rack 18 more leans on reveal and than the door frame 24a～24c that is installed on refrigerating-chamber door 12a more by the depth side, and be configured in the position lower than undermost accepting rack 18.
In addition, the face that is provided with of light quantity test section 21f can be arbitrary of side in the case or lower surface etc.In addition, also can make the position relation of light quantity test section 21f of light source 20e and below of end face opposite.In addition, a plurality of light quantity test sections also can be set.
Like this, through in end face irradiation case, below detect light quantity because light spreads all over accepting rack 18 and door frame 24a～24c, so can carry out the amount or the position Detection of collecting article exactly.
In addition, in the long storeroom of short transverse as refrigerating chamber, be difficult to arrive the collecting article of below,, do not have in the careless omission ground irradiation case so preferably also use the illuminating part of below such as light source 20d from the light of the light source 20e of end face.
In addition, the configuration of light quantity test section 21a～21f is so long as be configured in via the inner works of collecting article and case, and the position by light source 20a～20e irradiation can be configured in the arbitrary position in the case.In addition, in the inferring of the amount of collecting article or position, do not require under the high-precision situation, need not to be provided with a plurality of, be provided with one and get final product.
(embodiment 4)
Then, the freezer in the embodiment 4 of the present invention is described.
Figure 12 is the front elevation of the freezer 10c in the embodiment 4 of the present invention.
As shown in the drawing; Freezer 10c has the freezer main body 11 that comprises interior case 11a and outer container 11b; In the interior case 11a that is provided with via thermal wall; Dispose refrigerating chamber 12, ice-making compartment 13, refrigerating chamber 15, vegetable compartment 16 from the top, double being provided with can be to indoor switching chamber 14 of carrying out many temperature switchings in the side of ice-making compartment 13.
The frequency of utilization that collecting article is come in and gone out the highest, take in the also bigger refrigerating chamber of capacity 12; Is inaccessible its front surface opening of refrigerating-chamber door 12a with both sides by the rotation door leaf of the sash formula of hinge pivot supporting; At ice-making compartment 13, switching chamber 14, vegetable compartment 16 and refrigerating chamber 15, be respectively arranged with the door leaf of drawer type.
Refrigerating chamber 12 by will Keep cool the indoor a plurality of accepting rack 18a that are provided with appropriate intervals～18c of temperature divided up and down, its bottom is provided with the supply tank and the low temperature chamber 12b that remains cryogenic temperature of refrigerating chamber 12 being supplied with ice making waters.
Particularly, the upper space of accepting rack 18a～18c in this embodiment, is provided with: carry and put the accepting rack 18a that is accommodated in the collecting article in the accommodation space that is formed on the superiors for the accommodation space of collecting articles such as preservation food; Carry and to put the accepting rack 18b that is accommodated in the collecting article of the accommodation space of the second layer from the top down, the accepting rack 18c that carries the collecting article of the accommodation space of putting the positive bottom that is accommodated in accepting rack 18b.And the undermost subregion of taking in below accepting rack 18c disposes supply tank and the low temperature chamber 12b that remains cryogenic temperature.
In addition, refrigerating chamber 12, the front side of two walls is provided with the illumination 19 that on longitudinal direction, uniformly-spaced is built-in with a plurality of LED about the storeroom medial surface, and the rear side in refrigerating chamber 12 is provided with the spatial detection portion 26 that comprises light quantity testing agency.At this, spatial detection portion 26 have with embodiment 1～3 in light quantity test section 21 identical functions.
Particularly, carry the accepting rack 18a put the collecting article that is accommodated in the accommodation space that is formed on the superiors above and the interior case 11a of top surface side below back face wall on, have the 26a of spatial detection portion as light quantity testing agency.In addition, carry put the accepting rack 18b that is accommodated in the collecting article of the accommodation space of the second layer from the top down above and accepting rack 18a below back face wall on, have the 26b of spatial detection portion as light quantity testing agency.
In addition, in this embodiment, be illustrated in the state that is placed with collecting article 33 on the accepting rack 18b.That is, the 26b of spatial detection portion is configured to illumination 19, clips the accommodation space of taking in collecting article 33 betwixt.
In addition, above spatial detection portion 26, be respectively arranged with cold gas exhausting outlet 4.That is, near above the 26a of spatial detection portion of upside, have cold gas exhausting outlet 4a, near above the 26b of spatial detection portion of downside, have cold gas exhausting outlet 4b.
Then, the functional structure to the freezer 10c in this embodiment 4 describes.
Figure 13 is the control block diagram of the freezer 10c in this embodiment 4.
As shown in the drawing, the freezer 10c in the embodiment 4 replaces the light quantity test section 21 of the freezer 10 in the embodiment 1 as shown in Figure 4, has spatial detection portion 26, and has identification part 27.
Promptly; Shown in figure 12; Spatial detection portion 26 has 26a of spatial detection portion and the 26b of spatial detection portion; The 26a of spatial detection portion detects the size of the spatial volume of the periphery of cold gas exhausting outlet 4a at least, and the 26b of spatial detection portion detects the size of the spatial volume of the periphery of cold gas exhausting outlet 4b at least.
Collecting article is inferred the testing result of portion 22 according to spatial detection portion 26, and the amount or the position of collecting article 33 are inferred.
For the freezer 10c that as above constitutes, describe in the face of its action down.
At first, under the state of door leaf 108, light illumination 19 in closure.Upper strata above accepting rack 18a arrives the 26a of spatial detection portion of the illumination of the accommodation space that detects the superiors via air from illumination 19 light.
Intermediate layer between accepting rack 18a and accepting rack 18b through between the collecting article 33, arrives the 26b of spatial detection portion of the illumination of the accommodation space that detects the second layer from the part of illumination 19 light.Owing to run into collecting article 33 and absorbed by collecting article 33 from another part of illumination 19 light, reflection takes place and scattering takes place in a part, so promptly forming the rear side of the collecting article 33 of shade with illumination 19 opposition sides of collecting article 33, the amount of light reduces and deepening.
This be because, the height of collecting article 33 is high more, or the amount of taking in of collecting article 33 is many more, can cover illumination 19 light more, the amount of light that arrives the 26b of spatial detection portion that is in the rear is then low more.
Then; Like this; Detect the amount of light with the 26a of spatial detection portion, 26b, will be with respect to the middle level of accepting rack 18a below, there is the situation in the space that can take in to be shown in to be in the not shown display part as the outer surface of the refrigerating-chamber door 12a of door leaf in the upper strata above accepting rack 18a.That is, the state of the collecting article in user's refrigerating chamber 12 is informed through being that the outer surface of the refrigerating-chamber door 12a that installs of the front surface side of refrigerating chamber 12 shows at the storeroom with the 26a of spatial detection portion, 26b in identification part 27.
The user confirms the demonstration shown in this identification part 27, opens refrigerating-chamber door 12a, need not to hesitate, and can collecting articles such as food be carried that to place the accommodation space of the superiors that show that collecting article is less be accepting rack 18a, and closing cold room door 12a promptly.
In addition; For example shown in figure 12; Be accommodated under the situation in the place ahead of cold gas exhausting outlet 4b at collecting article 33 or under the situation of collecting article 33 overfill, that is, and under near the low situation of the spatial detection portion 26 detected light amount ratio settings the cold gas exhausting outlet 4; Identification part 27 shows the warning picture of informing the spatial detection portion 26 detected accommodation space overfill that reason is corresponding and forming electric weight increase running at the display part of the outer surface that is positioned at refrigerating-chamber door 12a.
At this, to take under the situation of collecting article 33 under the situation of collecting article 33 overfill or near the cold gas exhausting outlet 4, the ventilation that has formed cold air stops, and the circulating cold air amount of unit interval reduces, and it is elongated to cool off the required time.In addition, when the circulating cold air amount reduced, the air quantity of evaporimeter reduced, and heat exchange amount reduces, so can cause the reduction of evaporating temperature, because the expansion of the differential pressure of the high-low pressure of kind of refrigeration cycle, the input of compressor also increases.Therefore, as desire to keep cool time, then must increase the rotating speed of the fan that makes circulating cold air, or increase the rotation of compressor, this also can further form the increase of electric weight.
Therefore, increase tendency, promote the configuration of optimal collecting article, in the actual use of freezer, can realize energy-conservation through the electric weight of the user being warned these electric use amounts increase.Therefore, can provide the consumer and realize further energy-conservation freezer, can reduce CO
2Amount.
As above can know, can shorten opening the time of refrigerating-chamber door 12a, suppress from the extraneous air of the high temperature of refrigerating-chamber door 12a inflow; Form energy-conservation; And,, reduce quality deterioration so also can suppress the intensification of collecting article because the temporary transient intensification in the refrigerating chamber 12 also is suppressed.
And, give the user through electric weight being increased running by identification part 27 warnings, can arouse the attention that promotes energy-saving operation.
Particularly as home-use freezer, under the situation that possibly take in diversified food, compared with prior art, better effects if.
More than, based on embodiment freezer of the present invention is illustrated, but the invention is not restricted to this embodiment.
That is, considered is that this time disclosed embodiment is not for all points being carried out the embodiment of illustration and restriction.Scope of the present invention is not to be represented by above-mentioned explanation, but is represented by the claim scope, and its intention is that the meaning that equates with the claim scope and all changes in this scope all are contained in the claim scope.
Utilize possibility on the industry
Freezer of the present invention at the home-use or professional measuring ability that collecting article is set in freezer, uses its result, can implement and use the control that switches to operation modes such as economize on electricity running.
Symbol description
10,10a, 10b, 10c freezer
4,4a, 4b cold gas exhausting outlet
11 freezer main bodys
Case in the 11a
The 11b outer container
12,101 refrigerating chambers
The 12a refrigerating-chamber door
The 12b low temperature chamber
13 ice-making compartments
15 refrigerating chambers
16 vegetable compartment
17 operating portions
18,18a, 18b, 18c accepting rack
19 illuminations
20 illuminating parts
20a, 20b, 20c, 20d, 20e light source
21,21a, 21b, 21c, 21d, 21e, 21f light quantity test section
22 collecting articles are inferred portion
23 control parts
24a, 24b, 24c door frame
25 open and close test section
26,26a, 26b spatial detection portion
27 identification parts
30 compressors
31 cooling fans
32 temperature compensation heaters
33 collecting articles
34a, 34b, 34c irradiates light
35 cooling devices
102 air-conditioning exhaust units
Claims (11)
1. a freezer is characterized in that, comprising:
Be formed with the freezer main body of storeroom in inside;
The cooling device that said storeroom is cooled off;
The amount of the collecting article of the inside that is accommodated in said storeroom or the collecting article that infer the position are inferred portion; With
Infer the result of portion according to said collecting article, the control part that the cooling that utilizes the said storeroom that said cooling device carries out is controlled.
2. freezer as claimed in claim 1 is characterized in that, also comprises:
Illuminating part, it has the light source to the collecting article irradiates light that is accommodated in said storeroom; With
The light quantity test section, it is disposed at the inside of said storeroom, via the collecting article that is accommodated in said storeroom and works the light quantity by the light of said illuminating part irradiation is detected, wherein
Said collecting article is inferred the testing result of portion according to the light quantity of said light quantity test section, and the amount or the position of said collecting article are inferred.
3. according to claim 1 or claim 2 freezer is characterized in that:
Said control part is inferred the collecting article of portion according to said collecting article amount or the result that infers of position select operation mode, control cooling device accordingly with said operation mode, so that form predefined the temperature inside the box.
4. like claim 2 or 3 described freezers, it is characterized in that:
Also have the door that the open and close state to the freezer door of the front surface that is installed on said storeroom detects and open and close test section,
Said door open and close test section detect said freezer door the state that closes during in, said illuminating part, said light quantity test section, said collecting article infers portion and said control part begins a series of action.
5. like each described freezer in the claim 2～4, it is characterized in that:
Said illuminating part is the lighting device that is arranged in the said storeroom.
6. like each described freezer in the claim 2～5, it is characterized in that:
Said illuminating part has a plurality of light sources, and said a plurality of light source is lighted successively,
Said light quantity test section detects the light quantity by the light of said illuminating part irradiation,
Said collecting article is inferred the testing result of portion according to the light quantity of said light quantity test section, and the amount or the position of said collecting article are inferred.
7. like each described freezer in the claim 1～6, it is characterized in that:
Also have the spatial detection portion of the free space in the accommodation space of said storeroom being detected through the noncontact mode,
Said spatial detection portion is detected the spatial volume of the periphery of cold gas exhausting outlet at least,
Said collecting article is inferred the testing result of portion according to said spatial detection portion, and the amount or the position of said collecting article are inferred.
8. freezer as claimed in claim 7 is characterized in that:
Said spatial detection portion and said illuminating part clip the accommodation space of taking in collecting article therebetween and are configured.
9. like claim 7 or 8 described freezers, it is characterized in that:
Said illuminating part is arranged at the front side of said storeroom,
Said spatial detection portion is arranged at the rear side of said storeroom.
10. like each described freezer in the claim 7～9, it is characterized in that:
Also have the identification part, this identification part will be presented at the outer surface of the door leaf of the front surface that is installed on said storeroom by the information of the free space in the detected accommodation space of said spatial detection portion.
11. freezer as claimed in claim 10 is characterized in that:
Said identification part informs it is the warning picture that electric weight increases running as the information demonstration of said free space to the user.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010051407 | 2010-03-09 | ||
| JP2010-051407 | 2010-03-09 | ||
| JP2011038069 | 2011-02-24 | ||
| JP2011-038069 | 2011-02-24 | ||
| PCT/JP2011/001375 WO2011111382A1 (en) | 2010-03-09 | 2011-03-09 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102770728A true CN102770728A (en) | 2012-11-07 |
| CN102770728B CN102770728B (en) | 2015-07-08 |
Family
ID=44563214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180009429.1A Active CN102770728B (en) | 2010-03-09 | 2011-03-09 | Refrigerator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2525171B1 (en) |
| JP (1) | JP5789779B2 (en) |
| CN (1) | CN102770728B (en) |
| BR (1) | BR112012020452B8 (en) |
| WO (1) | WO2011111382A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102770728B (en) | 2015-07-08 |
| EP2525171A1 (en) | 2012-11-21 |
| BR112012020452A2 (en) | 2016-05-17 |
| EP2525171B1 (en) | 2016-05-18 |
| EP2525171A4 (en) | 2014-02-19 |
| BR112012020452B1 (en) | 2020-07-21 |
| JPWO2011111382A1 (en) | 2013-06-27 |
| BR112012020452B8 (en) | 2020-10-27 |
| WO2011111382A1 (en) | 2011-09-15 |
| JP5789779B2 (en) | 2015-10-07 |
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Effective date of registration: 20150929 Address after: Osaka Japan Patentee after: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co.,Ltd. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |