CN104990358A

CN104990358A - Partition refrigeration control method and device for refrigerating chamber of refrigerator

Info

Publication number: CN104990358A
Application number: CN201510367574.7A
Authority: CN
Inventors: 李春阳; 陶海波; 王铭
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2015-06-26
Filing date: 2015-06-26
Publication date: 2015-10-21
Anticipated expiration: 2035-06-26
Also published as: WO2016206215A1; CN104990358B

Abstract

The invention provides a partition refrigeration control method and device for a refrigerating chamber of a refrigerator. The refrigerating chamber of the refrigerator is divided into multiple storage spaces. Infrared sensing devices, branch air supply devices and the like are arranged in the refrigerating chamber. The partition refrigeration control method includes the steps that the temperatures, sensed by the infrared sensing devices, of stored objects in the storage spaces are acquired; whether the temperatures of the stored objects meet the preset quick refrigeration start condition or not is judged; if yes, a cold source is driven to run in a quick refrigeration mode, refrigeration air doors between the cold source and the branch air supply devices are opened, and in the quick refrigeration mode, a refrigeration draught fan and a compressor in the cold source run at the rotating speed higher than that in a normal refrigeration mode; refrigeration state mark arrangement of the stored objects is determined according to the temperatures of the stored objects in the storage spaces. The branch air supply devices are driven to run in the states corresponding to refrigeration state marks of the storage spaces. By the adoption of the scheme, electric energy waste can be avoided, and the storage effect of the refrigerating chamber is improved.

Description

The zone refrigeration control method of cold compartment of refrigerator and zone refrigeration control device

Technical field

The present invention relates to refrigerator to control, particularly relate to a kind of zone refrigeration control method and zone refrigeration control device of cold compartment of refrigerator.

Background technology

Current refrigerator usually utilize be arranged in cooling compartment its position of temperature sensor senses around temperature, using the foundation of this temperature as refrigeration control.

But when using this control mode to carry out refrigerator control, when the temperature of temperature sensor measurement is higher than preset value, cold compartment of refrigerator starts refrigeration.When to be put thing baffle for separating be multiple relatively independent storage space to refrigerating chamber, the storage space temperature just having put into article may higher than other storage spaces, use existing refrigerator temperature control method, need to freeze to whole refrigerating chamber entirety, cause waste of energy, the situation larger at the volume of refrigerating chamber is especially obvious.

In addition in the actual use procedure of cold compartment of refrigerator, user can often access deposited article, the general temperature of the article just put into is higher, the temperature of article conducts to by thermal-radiating mode that refrigerating chamber is whole needs the regular hour, after article temperature conducts to refrigerating chamber environment, the temperature of temperature sensor senses just can rise, and starts the cold source devices such as compressor and freezes to refrigerator room.In the process, the temperature of article likely conducts on other article of being in contact with it, causes the food temperature deposited in refrigerator to change, causes nutrition leak, and hoarding effect declines.

Summary of the invention

A further object of the present invention to reduce the electric energy of refrigeration for refrigerator consumption.

Another further object of the present invention improves refrigerator to the hoarding effect of article.

Especially, the invention provides a kind of zone refrigeration control method of cold compartment of refrigerator, refrigerating chamber is separated into multiple storage space, the infrared sensing device of the temperature for sensing stores in multiple storage space is respectively provided with in refrigerating chamber, and refrigerator is provided with air-supply arrangement along separate routes, and air-supply arrangement is configured to the cooling flow coming from low-temperature receiver to be dispensed to multiple storage space along separate routes.This zone refrigeration control method comprises: the temperature of stores in multiple storage spaces of acquisition infrared sensing device sensing; Judge whether the temperature of stores meets the fast-refrigerating entry condition preset; If so, then drive low-temperature receiver with fast-refrigerating mode operation and open low-temperature receiver to the refrigeration air door along separate routes between air-supply arrangement, wherein under fast-refrigerating pattern, the refrigeration blower fan in low-temperature receiver and compressor all run with the rotating speed higher than normal refrigerating mode; Determine that its refrigerating state mark is arranged according to the temperature of stores in each storage space; Drive air-supply arrangement along separate routes to move to and identify corresponding state with the refrigerating state of multiple storage space.

Alternatively, judge whether the temperature of stores meets the fast-refrigerating entry condition preset and comprise: open temp threshold value of being freezed the first area that the temperature of the stores of each storage space and each storage space are preset separately compares; If the temperature of at least one stores in multiple storage space higher than first area refrigeration open temp threshold value, is then determined to meet the fast-refrigerating entry condition preset.

Alternatively, determine that the setting of its refrigerating state mark comprises according to the temperature of stores in each storage space: open temp threshold value of being freezed by the second area that the temperature of stores in each storage space and each storage space are preset separately compares; Refrigerating state mark article temperature being greater than the storage space of region refrigeration open temp threshold value corresponding is set to start.

Alternatively, drive along separate routes air-supply arrangement to move to identify corresponding state with the refrigerating state of multiple storage space and comprise: drive shunt air-supply arrangement to move to state that the storage space being designated startup to refrigerating state provides cooling flow.

Alternatively, the first area refrigeration open temp threshold value of each storage space is greater than the numerical value of its second area refrigeration open temp threshold value is the first default allowance value.

Alternatively, in the multiple storage spaces obtaining infrared sensing device sensing the temperature of stores step before also comprise: obtain refrigerator electrifying startup signal; And the refrigeration system of refrigerator is initialized, refrigeration system comprises: compressor, refrigeration air door, blower fan and shunt air-supply arrangement.

Alternatively, initialized step is carried out to the refrigeration system of refrigerator and comprises: close compressor, blower fan and refrigeration air door, and drive air-supply arrangement along separate routes to move to initial position.

Alternatively, refrigerator also comprises refrigerating chamber, wherein also comprise after the refrigeration system of refrigerator is initialized: the temperature obtaining refrigerating chamber, and carry out the refrigeration judgement of refrigerating chamber according to the temperature of refrigerating chamber, to regulate the start and stop state of compressor, blower fan and refrigeration air door; And after the refrigeration completing described refrigerating chamber judges, the step of the temperature of stores in multiple storage spaces of startup acquisition infrared sensing device sensing.

Alternatively, also be provided with the cold storage environment temperature sensing device for sensing refrigerating chamber environment mean temperature in refrigerating chamber, and driving along separate routes air-supply arrangement move to identify corresponding state with the refrigerating state of multiple storage space after also comprise: obtain refrigerating chamber environment mean temperature; Judge whether the temperature of stores in refrigerating chamber environment mean temperature and each storage space meets the air door preset and close condition; If so, drive refrigeration air door to close, exit fast-refrigerating pattern and return the step performing the temperature obtaining refrigerating chamber; If not, the step performing the temperature obtaining refrigerating chamber is directly returned.

Alternatively, air door condition of closing comprises: the temperature of the interior stores of each storage space is all less than default region refrigeration closing temperature threshold value; Or when refrigerating chamber environment mean temperature is less than default refrigerating chamber integrally cooling closing temperature threshold value, the temperature of the interior stores of each storage space is all less than the second area refrigeration open temp threshold value that each storage space is preset separately; Or the difference that integrally cooling closing temperature threshold value deducts refrigerating chamber environment mean temperature is greater than the second default allowance value.

According to another aspect of the present invention, additionally provide a kind of zone refrigeration control device of cold compartment of refrigerator, refrigerating chamber is separated into multiple storage space, the infrared sensing device of the temperature for sensing stores in multiple storage space is respectively provided with in refrigerating chamber, and refrigerator is provided with air-supply arrangement along separate routes, and air-supply arrangement is configured to the cooling flow coming from low-temperature receiver to be dispensed to multiple storage space along separate routes.This zone refrigeration control device comprises: the first temperature acquisition module, the temperature of stores in the multiple storage spaces being configured to obtain infrared sensing device sensing; First judge module, is configured to judge whether the temperature of stores meets the fast-refrigerating entry condition preset; Low-temperature receiver starts module, the judged result being configured to the first judge module is yes, then drive low-temperature receiver with fast-refrigerating mode operation and open low-temperature receiver to the refrigeration air door along separate routes between air-supply arrangement, wherein under fast-refrigerating pattern, the refrigeration blower fan in low-temperature receiver and compressor all run with the rotating speed higher than normal refrigerating mode; Mark arranges module, is configured to determine that its refrigerating state mark is arranged according to the temperature of stores in each storage space; Driver module, is configured to drive air-supply arrangement along separate routes to move to and identifies corresponding state with the refrigerating state of multiple storage space.

Alternatively, the first judge module is also configured to: open temp threshold value of being freezed the first area that the temperature of the stores of each storage space and each storage space are preset separately compares; If the temperature of at least one stores in multiple storage space higher than first area refrigeration open temp threshold value, is then determined to meet the fast-refrigerating entry condition preset.

Alternatively, mark arranges module and is also configured to: open temp threshold value of being freezed by the second area that the temperature of stores in each storage space and each storage space are preset separately compares; And refrigerating state mark corresponding to storage space article temperature being greater than region refrigeration open temp threshold value is set to start, and the numerical value that the first area of each storage space refrigeration open temp threshold value is greater than its second area refrigeration open temp threshold value is the first default allowance value.

Alternatively, driver module is also configured to: drive along separate routes air-supply arrangement to move to state that the storage space being designated startup to refrigerating state provides cooling flow.

Alternatively, above zone refrigeration control device also comprises initialization module, is configured to obtain refrigerator electrifying startup signal; And the refrigeration system of refrigerator is initialized, refrigeration system comprises: compressor, refrigeration air door, blower fan and shunt air-supply arrangement.

Alternatively, initialization module is also configured to: close compressor, blower fan and refrigeration air door, and drives air-supply arrangement along separate routes to move to initial position.

Alternatively, refrigerator also comprises refrigerating chamber, and zone refrigeration control device also comprises: the second temperature acquisition module, is configured to the temperature obtaining refrigerating chamber, and carry out the refrigeration judgement of refrigerating chamber according to the temperature of refrigerating chamber, to regulate the start and stop state of compressor, blower fan and refrigeration air door; And the first temperature acquisition module is also configured to: after the refrigeration completing refrigerating chamber judges, the step of the temperature of stores in multiple storage spaces of startup acquisition infrared sensing device sensing.

Alternatively, in refrigerating chamber, be also provided with the cold storage environment temperature sensing device for sensing refrigerating chamber environment mean temperature, and the zone refrigeration of cold compartment of refrigerator controlling also to comprise: the 3rd temperature acquisition module, being configured to obtain refrigerating chamber environment mean temperature; Second judge module, be configured to judge whether the temperature of stores in refrigerating chamber environment mean temperature and each storage space meets the air door preset and close condition, if, refrigeration air door is driven to close, exit fast-refrigerating pattern and return the step performing the temperature obtaining refrigerating chamber, if not, directly return the step performing the temperature obtaining refrigerating chamber, and air door condition of closing comprises: the temperature of the interior stores of each storage space is all less than default region refrigeration closing temperature threshold value; Or when refrigerating chamber environment mean temperature is less than default refrigerating chamber integrally cooling closing temperature threshold value, the temperature of the interior stores of each storage space is all less than the second area refrigeration open temp threshold value that each storage space is preset separately; Or the difference that integrally cooling closing temperature threshold value deducts refrigerating chamber environment mean temperature is greater than the second default allowance value.

The zone refrigeration control method of cold compartment of refrigerator of the present invention and zone refrigeration control device, be applicable to the situation that cold compartment of refrigerator is split into multiple storage space, the temperature of stores in the multiple storage spaces utilizing infrared sensing device to sense, position and the temperature of refrigerator endogenous pyrogen is accurately determined by the infrared energy receiving the article release of placing, after the temperature of stores meets default fast-refrigerating entry condition, drive blower fan and compressor operating in high rotating speed pattern, by shunt air-supply arrangement according to refrigerating state assignment system cold airflow in each storage space, control more accurate, ensure that and carry out refrigeration control according to the situation of storage space stores, avoid the waste of energy that whole refrigeration chamber is caused.

Further, the zone refrigeration control method of cold compartment of refrigerator of the present invention and zone refrigeration control device, article that can be higher to temperature are fast lowered the temperature, reduce temperature higher building product to the impact of other article stored, improve the hoarding effect of cold compartment of refrigerator, reduce the nutrition leak of food.

Further, the zone refrigeration control method of cold compartment of refrigerator of the present invention and zone refrigeration control device, the logical comprehensive descision to the temperature of stored goods in environment temperature whole in refrigerating chamber and each storage space, correspondingly adjust the refrigeration modes of refrigerating chamber, improve the flexibility that refrigeration chamber controls, meet the requirement of the different use habit of user.

According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.

Accompanying drawing explanation

Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:

Fig. 1 is the schematic diagram that the zone refrigeration control device of cold compartment of refrigerator is according to an embodiment of the invention suitable for refrigerator;

Fig. 2 is a kind of schematic diagram being suitable for refrigerator and cooled Tibetan chamber interior parts of the zone refrigeration control device of cold compartment of refrigerator according to an embodiment of the invention;

Fig. 3 be cold compartment of refrigerator according to an embodiment of the invention zone refrigeration control device another be suitable for the schematic diagram that refrigerator and cooled hides chamber interior parts;

Fig. 4 be cold compartment of refrigerator according to an embodiment of the invention zone refrigeration control device another be suitable for the transmission mechanism schematic diagram of infrared sensing device in refrigerator;

Fig. 5 is the schematic diagram that the zone refrigeration control device of cold compartment of refrigerator is according to an embodiment of the invention suitable for the refrigeration system of refrigerator;

Fig. 6 is the schematic diagram that the zone refrigeration control device of cold compartment of refrigerator is according to an embodiment of the invention suitable for ducting assembly in the refrigeration system of refrigerator;

Fig. 7 is the schematic block diagram of the zone refrigeration control device of cold compartment of refrigerator according to an embodiment of the invention;

Fig. 8 is the schematic diagram of the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention;

Fig. 9 is the overall flow block diagram of the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention;

Figure 10 is the initialized flow chart of refrigerator refrigeration system in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention;

Figure 11 is the logical flow chart of the refrigeration control of refrigerating chamber in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention;

Figure 12 is the logical flow chart of fast-refrigerating flow process in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention;

The zone refrigeration control method that Figure 13 to Figure 20 respectively illustrates cold compartment of refrigerator is according to an embodiment of the invention suitable for the multiple running status of shunt air-supply arrangement in refrigerator;

Figure 21 is the logical flow chart of normal cooling flow in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention; And

Figure 22 judges the logical flow chart that refrigeration chamber stops in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention.

Detailed description of the invention

Fig. 1 is the schematic diagram that the zone refrigeration control device of cold compartment of refrigerator is according to an embodiment of the invention suitable for refrigerator, in order to illustrate refrigerator inside structure, and not shown door body.This refrigerator can comprise in general manner: casing 110, rack component 120, infrared sensing device 130.

Casing 110 comprises roof, diapire, rear wall and two, left and right sidewall and surrounds, and casing 110 front arranges a body (not shown), and door body can adopt pivot structure to be connected on sidewall.Casing 110 inside is limited with refrigerating chamber.

Fig. 2 is a kind of schematic diagram being suitable for refrigerator and cooled Tibetan chamber interior parts of the zone refrigeration control device of cold compartment of refrigerator according to an embodiment of the invention, and refrigerating chamber is divided into multiple storage space 140 by rack component 120.Wherein preferred structure is: rack component 120 comprises at least one horizontally disposed dividing plate, refrigerating chamber to be vertically divided into multiple storage space 140.In fig. 2, rack component 120 comprises the first dividing plate 121, second partition 122, the 3rd dividing plate 123, wherein forms the first storage space above the first dividing plate 121, forms the second storage space between the first dividing plate 121 and second partition 122, forms the 3rd storage space between second partition 122 and the 3rd dividing plate 123.In other embodiments of the present invention, the dividing plate quantity in rack component 120 and the quantity of storage space 140 can be configured in advance according to the volume of refrigerator and instructions for use.

In the embodiment shown in Figure 2, infrared sensing device 130 is multiple, each infrared sensing device 130 is arranged on casing 110 inwall of a storage space 140, and be configured to the infrared energy sensing article 150 release of placing in storage space 140, to determine the surface temperature of article 150.In the embodiment shown in Figure 2, the first infrared sensing device is provided with in the first storage space, the second infrared sensing device is provided with in the second storage space, in the 3rd storage space, be provided with the 3rd infrared sensing device, the quantity of the quantity basis storage space 140 of infrared sensing device sets.

Fig. 3 be cold compartment of refrigerator according to an embodiment of the invention zone refrigeration control device another be suitable for the schematic diagram that refrigerator and cooled hides chamber interior parts, in this kind of refrigerator, in order to save the hardware cost of infrared sensing device 130, worm drive assembly 300 is used to drive an infrared sensing device 130 to sense the article temperature of multiple storage space.

Worm drive assembly 300 is vertically arranged at cooling compartment, comprises screw rod 310, nut 320 and locating part.Screw rod 310 vertically arranges and runs through multiple storage space 140, nut 320 is engaged with screw rod 310 by screw thread, and utilize locating part for limiting the anglec of rotation of nut 320 relative to refrigerating chamber, drive nut 320 vertically movement during to make screw rod 310 rotate centered by it is axial.Wherein screw rod 310 can be transmitted the driving of motor 311, rotates, because locating part defines the angle of nut 320, nut 320 is moved up and down in screw rod 310 rotary course centered by screw rod 310 is axial.In the refrigerator of the present embodiment, screw rod 310 and nut 320 can adopt slip screw transmission also can select rolling spiral drive, and gyration is become rectilinear motion, drive nut 320 to realize moving up and down of vertical direction.

Infrared sensing device 130, is fixedly installed on nut 320, and arranges towards refrigerating chamber, is configured to sense the infrared energy of article 150 release of placing in multiple storage space 140, to determine the surface temperature of article 150.On the sidewall that above worm drive assembly 300, infrared sensing device 130 can be arranged at casing 110 or backboard, a kind of preferred embodiment is for being arranged on backboard.

The predetermined height of worm drive assembly 300 in each storage space 140 is preset with sense position, after moving to sense position place, carries out temperature sensing to storage space for infrared sensing device 130.This sense position can pre-set according to interior refrigerator space, by to the control of driving motor 311 and the clamping mechanism predetermined height at each storage space, drive screw 310 stops the rotation, until after infrared sensing device 130 completes the temperature sensing to this storage space, infrared sensing device 130 is driven to move to the sense position place of adjacent storage space downward or upward.

Fig. 4 be cold compartment of refrigerator according to an embodiment of the invention zone refrigeration control device another be suitable for the transmission mechanism schematic diagram of infrared sensing device in refrigerator, in refrigerator shown in Fig. 4, utilize the movement that toothed belt transmission assembly 400 realizes infrared sensing device 130.

Toothed belt transmission assembly 400, is arranged in refrigerating chamber, and its Timing Belt 422 is in a perpendicular, and Timing Belt 422 comprises the vertical section running through multiple storage space 140 vertically arranged.Toothed belt transmission is provided with the belt band of equidistant profile of tooth by an inner peripheral surface and has corresponding identical wheel and formed.It combines V belt translation, Chain conveyer and gear drive advantage separately.During rotation, to be meshed with the teeth groove of wheel by band tooth and to transmit power.

Slide block 420, is fixedly installed on the vertical section of above Timing Belt 422, with vertically movement under the drive of toothed belt transmission assembly 300; Infrared sensing device 130 is fixedly installed on slide block 420, and arranges towards refrigerating chamber, is configured to sense the infrared energy of article 150 release of placing in multiple storage space 140, to determine the surface temperature of article 150.

On the sidewall that toothed belt transmission assembly 400 can be arranged at casing 110 or backboard, a kind of preferred embodiment is for being arranged on sidewall.Infrared sensing device 130 senses infrared ray by the sensing device cover plate be made up of infrared transmitting material.Sensing device cover plate can be concordant with the inner surface of sidewall towards the surface of refrigerating chamber, to improve the neat of cold compartment of refrigerator aesthetic measure and storage space 140.

Driving wheel 421 in toothed belt transmission assembly 400 is arranged at the bottom of toothed belt transmission assembly 400, rotates under the drive of driving motor 425, to drive Timing Belt 422; Driven pulley 424, be arranged at the top of toothed belt transmission assembly 400, and the inner side of Timing Belt 422 is set around the outer rim of driving wheel 421 and driven pulley 424, the tooth of Timing Belt 422 is meshed with the teeth groove of driving wheel 421 and driven pulley 424, to move under the drive of driving wheel 421.Driving wheel 421 and driven pulley 424 can tensioning Timing Belts 422, gyration converted to the rectilinear motion of slide block 420.In a kind of alternate example, wheel footpath, the tooth pitch of driving wheel 421 and driven pulley 424 are all identical, and the line at its center is vertical.

In addition, toothed belt transmission assembly 400 can also be provided with guide post 423, and guide post 423 is parallel to vertical section and arranges; And slide block 420 has the through hole run through for guide post 323, limits infrared sensing device 130 moving direction to utilize guide post 423.The predetermined height of guide post 423 in each refrigerating chamber is preset with sense position, moves to sense position place for infrared sensing device 130, carries out temperature sensing to storage space.

The predetermined height of toothed belt transmission assembly 400 in each storage space 140 is preset with sense position, after moving to sense position place, carries out temperature sensing to the article 150 in storage space 140 for infrared sensing device 130.This sense position can pre-set according to interior refrigerator space, by determining the sense position of each refrigerating chamber to the control of driving motor 425 and clamping mechanism, move to this sense position rear main wheel 21 at infrared sensing device 130 to stop the rotation, until after infrared sensing device 130 completes the temperature sensing to this storage space 140, infrared sensing device 130 is driven to move to the sense position place of adjacent storage space 140 downward or upward.

Various infrared sensing devices 130 shown in Fig. 2 to Fig. 4 all do not launch infrared ray, but the infrared ray that in passive reception institute sensing space, article 150 are launched and background infrared ray, in direct perception refrigerator, the region of variation of article temperature and temperature, be converted to the corresponding signal of telecommunication.Compared to infrared sensor of the prior art, infrared sensing device 130 can detect the infrared ray of whole storage space 140, instead of only detects hot source point position.And infrared sensing device 130 can for having the infrared remote receiver of rectangular field of view, this rectangular field of view can be configured to make the projection in the horizontal plane of the infrared receiver scope of infrared remote receiver cover dividing plate.Thus the infrared energy making infrared sensing device 130 can sense the article be positioned on dividing plate to discharge.Infrared remote receiver can limit out above rectangular field of view by arranging infrared guiding parts, improves accuracy of detection, to carry out accurately detecting to storage space by restriction detection orientation.The difference of above different instances is only that infrared sensing device 130 senses the mode of article temperature in storage space, comprises and adopts multiple infrared sensing device 130 to sense respectively, use screw drive or toothed belt transmission mode to drive an infrared sensing device 130 to carry out the temperature sensing of article in storage space.

The refrigerator of the present embodiment can also be provided with the cold storage environment temperature sensing device (not shown) for sensing refrigerating chamber environment mean temperature in addition.The zone refrigeration control device of this cold compartment of refrigerator can use thermistor equitemperature sensor to realize.The article temperature that the refrigerator of the present embodiment can be determined according to infrared sensing device 130 and cooling compartment environment temperature carry out refrigeration control.

The refrigerator that the zone refrigeration control device of the present embodiment cold compartment of refrigerator is suitable for can be wind cooling refrigerator, Fig. 5 is the schematic diagram that the zone refrigeration control device of cold compartment of refrigerator is according to an embodiment of the invention suitable for the refrigeration system of refrigerator, and Fig. 6 is the schematic diagram that the zone refrigeration control device of cold compartment of refrigerator is according to an embodiment of the invention suitable for ducting assembly in the refrigeration system of refrigerator.This refrigeration system comprises: ducting assembly, compressor, refrigeration air door 250, blower fan 230 etc.This refrigerator can utilize the parts such as evaporimeter, compressor, condenser, restricting element to form refrigeration cycle via coolant piping, after compressor start, makes evaporimeter released cold quantity.

Evaporimeter can be arranged in evaporator room.Air after evaporator cools through blower fan 230 to storeroom transmission.The inside of the storeroom of such as refrigerator can be divided into temperature-changing chamber, refrigerating chamber and refrigerating chamber, and wherein the superiors of storeroom are refrigerating chamber, and the lower floor of refrigerating chamber is temperature-changing chamber, the lower floor of temperature-changing chamber is refrigerating chamber, and evaporator room can be arranged at the rear portion of refrigerating chamber.Blower fan 230 is arranged at the exit of the top of evaporator room.Correspondingly, the supply wind path of the air after evaporator cools comprise be connected with temperature-changing chamber for the alternating temperature of blowing to temperature-changing chamber supply wind path, be connected with refrigerating chamber for the freezing supply wind path of blowing to refrigerating chamber and be connected with refrigerating chamber supply wind path for the refrigeration of blowing to refrigerating chamber.

Preferably, above compressor and blower fan 230 all can arrange plurality of operating modes, to meet the refrigeration demand under the different operating mode of refrigerator, normal refrigerating mode and fast-refrigerating pattern such as can be set, wherein under fast-refrigerating pattern, refrigeration blower fan 230 and compressor all run with the rotating speed higher than normal refrigerating mode, have discharged more cold, have met the requirement of fast-refrigerating.

In the present embodiment, ducting assembly is the air path system to refrigerating chamber air-supply, and this ducting assembly comprises: air channel base plate 210, along separate routes air-supply arrangement 220, blower fan 230.Air channel base plate 210 is limited with many wind paths 214 leading to multiple storage space 140 respectively, each bar wind path 214 leads to different storage spaces 140 respectively, such as in the embodiment shown in fig. 1, the first confession air port 211 leading to the first storage space, the second confession air port 212 leading to the second storage space can be had and lead to the 3rd of the 3rd storage space for air port 213.

Air-supply arrangement 220 is arranged in refrigeration supply wind path along separate routes, refrigeration supply wind path is formed in the back side of refrigerating chamber, and air-supply arrangement 220 comprises the air inlet 221 being connected to low-temperature receiver (such as evaporator room) and the multiple distribution openings 222 be connected with many wind paths 214 respectively along separate routes.Distribution openings 222 is connected to different wind paths 214 respectively.The cold air coming from low-temperature receiver that blower fan 230 can controllably produce by this shunt air-supply arrangement 220 is dispensed to different distribution openings 222 through air inlet 221, thus enters different storage spaces 140 through different wind paths 214.

The cooling flow coming from low-temperature receiver can be carried out centralized distribution by air-supply arrangement 220 along separate routes, instead of arranges separately different air channels for different storage spaces 140, improves refrigerating efficiency.This shunt air-supply arrangement 220 can comprise: housing 223, regulating part 224, cover plate 225.Housing 223 is formed with air inlet 221 and distribution openings 222, cover plate 225 and housing 223 are assembled, and form wind pushing cavity along separate routes.Regulating part 224 is arranged in this shunt wind pushing cavity.Regulating part 224 has at least one occlusion part 226, and occlusion part 226 is movably arranged in housing 223, is configured to controllably cover multiple distribution openings 222, to adjust the respective air-out area of multiple distribution openings 222.

The air-supply of blower fan 230 can feed to different storage spaces 140 through the distribution of regulating part 224, in the embodiment shown in fig. 6, air-supply arrangement 220 can realize the ventilation state of nearly seven kinds along separate routes, such as can comprise: feed to first and open separately for the distribution openings 222 in air port 211, feed to second to open separately for the distribution openings 222 in air port 212, feed to the 3rd to open separately for the distribution openings 222 in air port 213, feed to first to open for the distribution openings 222 in air port 212 for air port 211 and second simultaneously, feed to first to open for the distribution openings 222 in air port 213 for air port 211 and the 3rd simultaneously, feed to second to open for the distribution openings 222 in air port 213 for air port 212 and the 3rd simultaneously, feed to first for air port 211, feed to second to open for the distribution openings 222 in air port 213 for air port 212 and the 3rd simultaneously.When the refrigerator of the present embodiment is separated out two storage spaces by a dividing plate, air-supply arrangement 220 can be provided with two distribution openings along separate routes, possesses three kinds of ventilation states simultaneously.When carrying out shunt and blowing, regulating part 224 can rotate, and meeting air force according to demand decides the angle rotated, and the guide port formed between occlusion part 226 can aim at corresponding distribution openings 222.

Housing 223 is provided with motor 227, two stopper posts 228, positioning seat grooves 243 in shunt wind pushing cavity, the effect of stopper posts 228 is that motor 227 is in operation process, the motion of regulating part 224 is more accurate, and when powering up or after a period of time at every turn, regulating part 224 all moves to initial stopper posts 228 place, the turned position of specifying for starting point turns to it.The effect of positioning seat groove 243 ensures that regulating part 224 is located when often rotating the angle position of 30 degree.Regulating part 224 is provided with disc spring sheet 229 (this disc spring sheet 229 also can replace with torsion spring), balancing weight 241 and alignment pin 245.One section of disc spring sheet 229 is fixed on cover plate 225, along with the running of regulating part 224, pretension applies reverse power to the other end, all the time apply certain bias force to regulating part 224, thus the backlash because of DC stepper motor 227 transmission mechanism can be suppressed to cause rock problem.Pivot part, towards being extended with counterweight part in the opposite direction with the main body footpath of regulating part 224, is provided with balancing weight 241 at the far-end of counterweight part, to eliminate offset torque.What alignment pin 245 can move up and down (passing through stage clip) is fixed on regulating part 224.Housing 223 is provided with the positioning seat groove 243 coordinated with it.

It should be noted that, the refrigerator of the present embodiment is described to have room between three storage spaces 140, when reality uses, can according to concrete instructions for use, by infrared sensing device 130, wind path 214, distribution openings 222, arrange for the quantity in air port, with the requirement of satisfied different refrigerator.Such as, according to above introduction, easily draw the supply air system of the refrigerating chamber with two storage spaces.

The zone refrigeration control device 700 of the cold compartment of refrigerator of the embodiment of the present invention is for carrying out refrigerating chamber zonal control to above refrigerator.Fig. 7 is the schematic block diagram of the zone refrigeration control device 700 of cold compartment of refrigerator according to an embodiment of the invention, the zone refrigeration control device 700 of this cold compartment of refrigerator comprises in general manner: the first temperature acquisition module 702, first judge module 704, low-temperature receiver starts module 706, mark arranges module 708, driver module 710, in addition in order to improve the technique effect of the zone refrigeration control device 700 of the cold compartment of refrigerator of the present embodiment further, initialization module 712 can also be provided with further, second temperature acquisition module 714, 3rd temperature acquisition module 716, second judge module 718, can be configured flexibly according to the actual disposition situation of refrigerator and user demand with upper module, in some embodiment, what can optionally be configured in upper module is part or all of.

The present embodiment zone refrigeration control device 700 with in upper-part.The temperature of stores in multiple storage spaces that first temperature acquisition module 702 can be configured to obtain infrared sensing device sensing.Wherein infrared sensing device can to use in Fig. 2 to Fig. 4 any embodiment and other are all by the infrared sensing device of the sensed article temperature of identical function.

First judge module 704 can be configured to judge whether the temperature of stores meets the fast-refrigerating entry condition preset.Wherein one judges that flow process is that the first judge module 704 is also configured to alternatively: open temp threshold value of being freezed the first area that the temperature of the stores of each storage space and each storage space are preset separately compares; If the temperature of at least one stores in multiple storage space higher than first area refrigeration open temp threshold value, is then determined to meet the fast-refrigerating entry condition preset.In the zone refrigeration control device 700 of this enforcement, the various threshold values that different storage space pre-sets can be identical, also can be set to difference according to the situation of the structure of different storage space and stores.

Low-temperature receiver starts module 706, the judged result being configured to the first judge module 704 is yes, then drive low-temperature receiver with fast-refrigerating mode operation and open low-temperature receiver to the refrigeration air door along separate routes between air-supply arrangement, wherein under fast-refrigerating pattern, refrigeration blower fan in low-temperature receiver and compressor all run with the rotating speed higher than normal refrigerating mode, thus under fast-refrigerating pattern, low-temperature receiver can discharge more cold, compared to normal refrigerating mode, can freeze to high temperature article quickly.

Mark arranges module 708 and can be configured to determine that its refrigerating state mark is arranged according to the temperature of stores in each storage space, and its a kind of selectable duty flow process is: open temp threshold value of being freezed by the second area that the temperature of stores in each storage space and each storage space are preset separately compares; And refrigerating state mark corresponding to storage space article temperature being greater than region refrigeration open temp threshold value is set to start, and the numerical value that the first area of each storage space refrigeration open temp threshold value is greater than its second area refrigeration open temp threshold value is the first default allowance value.This first allowance value is preset constant, if namely in storage space, the temperature of article freezes open temp threshold value also higher than the first allowance value than the second area opening normal refrigerating mode, illustrate in storage space and occurred obvious high temp objects, need fast-refrigerating.

Driver module 710 can be configured to drive air-supply arrangement along separate routes to move to and identify corresponding state with the refrigerating state of multiple storage space.Its a kind of selectable duty flow process is: driver module 710 drive along separate routes air-supply arrangement to move to state that the storage space being designated startup to refrigerating state provides cooling flow.

The zone refrigeration control device 700 of the present embodiment also comprises initialization module 712.This initialization module is configured to obtain refrigerator electrifying startup signal; And the refrigeration system of refrigerator is initialized, refrigeration system comprises: compressor, refrigeration air door, blower fan and shunt air-supply arrangement.Initialized content comprises close compressor, blower fan and refrigeration air door, and drives air-supply arrangement along separate routes to move to initial position.

In addition when refrigerator also comprises refrigerating chamber, the zone refrigeration control device 700 of the present embodiment is also provided with the second temperature acquisition module 714.Second temperature acquisition module 714 can be configured to obtain the temperature of refrigerating chamber, and and judges according to the refrigeration that the temperature of refrigerating chamber carries out refrigerating chamber, to regulate the start and stop state of compressor, blower fan and refrigeration air door.After first temperature acquisition module 702 can judge in the refrigeration completing refrigerating chamber, the step of the temperature of stores in multiple storage spaces of startup acquisition infrared sensing device sensing.

When being also provided with the cold storage environment temperature sensing device for sensing refrigerating chamber environment mean temperature in refrigerating chamber, the 3rd temperature acquisition module 716 can be configured to obtain refrigerating chamber environment mean temperature.Second judge module 718 is configured to judge whether the temperature of stores in refrigerating chamber environment mean temperature and each storage space meets the air door preset and close condition, if, refrigeration air door is driven to close, exit fast-refrigerating pattern and return the step performing the temperature obtaining refrigerating chamber, if not, directly return the step performing the temperature obtaining refrigerating chamber, and air door condition of closing comprises: the temperature of the interior stores of each storage space is all less than default region refrigeration closing temperature threshold value; Or when refrigerating chamber environment mean temperature is less than default refrigerating chamber integrally cooling closing temperature threshold value, the temperature of the interior stores of each storage space is all less than the second area refrigeration open temp threshold value that each storage space is preset separately; Or the difference that integrally cooling closing temperature threshold value deducts refrigerating chamber environment mean temperature is greater than the second default allowance value.This second allowance value is similarly default constant.

The embodiment of the present invention additionally provides a kind of zone refrigeration control method of cold compartment of refrigerator, the zone refrigeration control method of this cold compartment of refrigerator can be performed by the zone refrigeration control device 700 of the cold compartment of refrigerator of above any embodiment, to realize zone refrigeration to cold compartment of refrigerator.Fig. 8 is the schematic diagram of the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention.The zone refrigeration control method of this cold compartment of refrigerator comprises:

Step S802, the temperature of stores in multiple storage spaces of acquisition infrared sensing device sensing;

Step S804, judges whether the temperature of stores meets the fast-refrigerating entry condition preset;

Step S806, if so, then drives low-temperature receiver with fast-refrigerating mode operation and opens low-temperature receiver to the refrigeration air door along separate routes between air-supply arrangement;

According to the temperature of stores in each storage space, step S808, determines that its refrigerating state mark is arranged;

Step S810, drives air-supply arrangement along separate routes to move to and identifies corresponding state with the refrigerating state of multiple storage space.

In the zone refrigeration control method of the cold compartment of refrigerator of embodiment, refrigeration blower fan in low-temperature receiver and compressor can according to cooling conditions, arrange multiple pattern, such as, under fast-refrigerating pattern, the refrigeration blower fan in low-temperature receiver and compressor all run with the rotating speed higher than normal refrigerating mode.

If the fast-refrigerating entry condition in step S804 can be that the temperature of at least one stores in multiple storage space is higher than first area refrigeration open temp threshold value, correspondingly, the optional flow process of the one of step S804 is: open temp threshold value of being freezed the first area that the temperature of the stores of each storage space and each storage space are preset separately compares; If the temperature of at least one stores in multiple storage space higher than first area refrigeration open temp threshold value, is then determined to meet the fast-refrigerating entry condition preset.

If the result gone out that step S804 judges as not meeting fast-refrigerating entry condition, then enters the control flow of normal refrigerating mode.

The optional flow process of one of step S808 is: open temp threshold value of being freezed by the second area that the temperature of stores in each storage space and each storage space are preset separately compares; Refrigerating state mark article temperature being greater than the storage space of region refrigeration open temp threshold value corresponding is set to start.In step S810, along separate routes air-supply arrangement can be driven to move to state that the storage space being designated startup to refrigerating state provides cooling flow.Wherein the first area refrigeration open temp threshold value of each storage space is greater than the numerical value of its second area refrigeration open temp threshold value is the first default allowance value.

Before step S802, refrigerator electrifying startup signal can also be obtained in advance; And the refrigeration system of refrigerator is initialized, refrigeration system comprises: compressor, refrigeration air door, blower fan and shunt air-supply arrangement.Initialized step can comprise: close compressor, blower fan and refrigeration air door, and drives air-supply arrangement along separate routes to move to initial position.

When refrigerator also comprises refrigerating chamber, also comprise after the refrigeration system of refrigerator is initialized: the temperature obtaining refrigerating chamber, and carry out the refrigeration judgement of refrigerating chamber according to the temperature of refrigerating chamber, to regulate the start and stop state of compressor, blower fan and refrigeration air door; And after the refrigeration completing described refrigerating chamber judges, the step of the temperature of stores in multiple storage spaces of startup acquisition infrared sensing device sensing.Namely, after initialization completes, first can carry out the control of refrigerating chamber, then carry out the control of refrigerating chamber.

The zone refrigeration control method of the cold compartment of refrigerator of the present embodiment, refrigerating chamber environment mean temperature can also be utilized as a parameter of closing fast-refrigerating, wherein also be provided with the cold storage environment temperature sensing device for sensing refrigerating chamber environment mean temperature in refrigerating chamber, and driving along separate routes air-supply arrangement move to identify corresponding state with the refrigerating state of multiple storage space after also comprise: obtain refrigerating chamber environment mean temperature; Judge whether the temperature of stores in refrigerating chamber environment mean temperature and each storage space meets the air door preset and close condition; If so, drive refrigeration air door to close, exit fast-refrigerating pattern and return the step performing the temperature obtaining refrigerating chamber; If not, the step performing the temperature obtaining refrigerating chamber is directly returned.

Comprise with upper wind door condition of closing: the temperature of the interior stores of each storage space is all less than default region refrigeration closing temperature threshold value; Or when refrigerating chamber environment mean temperature is less than default refrigerating chamber integrally cooling closing temperature threshold value, the temperature of the interior stores of each storage space is all less than the second area refrigeration open temp threshold value that each storage space is preset separately; Or the difference that integrally cooling closing temperature threshold value deducts refrigerating chamber environment mean temperature is greater than the second default allowance value.

The zone refrigeration control method of the cold compartment of refrigerator of the present embodiment can carry out temperature control respectively to dividing the refrigerating chamber being separated with multiple storage space, to improve the hoarding effect of refrigeration indoor article, for the refrigerating chamber with three storage spaces, above zone refrigeration control method and zone refrigeration control device are introduced below.

Use the zone refrigeration control method of the cold compartment of refrigerator of the present embodiment, according to the kind of the feature of cold compartment of refrigerator and stores, following parameter can be pre-determined in advance: region refrigeration open temp threshold value, region refrigeration closing temperature threshold value, integrally cooling open temp threshold value, integrally cooling closing temperature threshold value, refrigerating chamber design temperature and refrigerating chamber design temperature.Table 1 shows the parameter list carrying out zone refrigeration setting to the refrigerating chamber with three storage spaces:

Table 1

	Sensor detected value	Design temperature	Open temp threshold value	Closing temperature threshold value
					Refrigerating chamber	FT	F-set	F-on	F-off
Refrigerating chamber environment	RT	R-set	R-on	R-off
					First storage space	IRT1	Nothing	IR1-on	IR1-off
Second storage space	IRT2	Nothing	IR2-on	IR2-off
					3rd storage space	IRT3	Nothing	IR3-on	IR3-off

As can be seen from Table 1, for refrigerating chamber, the detected temperatures value of sensor is designated as FT, and the temperature of refrigerating chamber setting is F-set; Refrigeration open temp threshold value is F-on; Refrigeration closing temperature threshold value is F-off, and wherein F-set by user's sets itself or can Use Defaults, F-on and F-off can determine according to F-set, general satisfaction relation F-on>F-set>F-off.

For refrigerating chamber, the refrigerating chamber environment mean temperature of cold storage environment temperature sensing device sensing is designated as RT, and the temperature of refrigerating chamber setting is R-set; Integrally cooling open temp threshold value is R-on; Integrally cooling closing temperature threshold value is R-off, and wherein R-set by user's sets itself or can Use Defaults, R-on and R-off can determine according to R-set, general satisfaction relation R-on>R-set>R-off.

For the first storage space of refrigerating chamber, in the first storage space of infrared sensing device sensing, the maximum temperature of stores is designated as IRT1, and the region refrigeration open temp threshold value of the first storage space is IR1-on; The region refrigeration closing temperature threshold value of the first storage space is IR1-off, and wherein IR1-on and IR1-off can determine according to the kind of stores in R-set and the first storage space, general satisfaction relations I R1-on>IR1-off.

For the second storage space of refrigerating chamber, in the second storage space of infrared sensing device sensing, the maximum temperature of stores is designated as IRT2, and the region refrigeration open temp threshold value of the second storage space is IR2-on; The region refrigeration closing temperature threshold value of the second storage space is IR2-off, and wherein IR2-on and IR2-off can determine according to the kind of stores in R-set and the second storage space, general satisfaction relations I R2-on>IR2-off.

For the 3rd storage space of refrigerating chamber, in the 3rd storage space of infrared sensing device sensing, the maximum temperature of stores is designated as IRT3, and the region refrigeration open temp threshold value of the 3rd storage space is IR3-on; The region refrigeration closing temperature threshold value of the 3rd storage space is IR3-off, and wherein IR3-on and IR3-off can determine according to the kind of stores in R-set and the 3rd storage space, general satisfaction relations I R3-on>IR3-off.

For the different storage spaces of above refrigerating chamber, region refrigeration open temp threshold value IR1-on wherein, IR2-on, IR3-on can be set to identically also can be set to difference respectively, and region refrigeration open temp threshold value IR1-off, IR2-off, IR3-off also can be set to identically also can be set to difference respectively.

In addition for fast-refrigerating pattern, can also using the closedown threshold value of R-off-k as the overall fast-refrigerating of refrigerating chamber, using IR1-on+M, IR2-on+M, IR3-on+M as the first storage space, the first area of the second storage space, the 3rd storage space refrigeration open temp threshold value, IR1, IR2, IR3 be as the second area refrigeration open temp threshold value of the first storage space, the second storage space, the 3rd storage space, wherein k and M is positive number, respectively as the second allowance value and the first allowance value.

For each storage space, refrigerating state mark can also be provided with in advance, be used to indicate and blow the need of to storage space, the refrigeration mark of such as the first storage space is designated as gate1, the refrigeration mark of the second storage space is designated as gate2, and the refrigeration mark of the 3rd storage space is designated as gate3, and above gate1, gate2, gate3 can set be startup and closedown, such as close with " 0 " representative, start with " 1 " representative.

Fig. 9 is the overall flow block diagram of the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention, and the refrigeration controler of refrigerator performs following steps:

Step S902, obtains refrigerator electrifying startup signal;

Step S904, the refrigeration system of refrigerator initializes;

Step S906, carries out refrigerating chamber refrigeration control;

Step S908, carries out the control of refrigerating chamber zone refrigeration.

After completing steps S908, return step S906, perform the judgement flow process of refrigerating chamber refrigeration control.Below respectively above step is described in detail respectively:

Figure 10 is the initialized flow chart of refrigerator refrigeration system in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention:

Step S1002, close compressor, makes evaporimeter stop released cold quantity;

Step S1004, closes blower fan, stops to refrigerating chamber supply air flow;

Step S1006, closes refrigeration air door, and refrigerating chamber and evaporator room are completely cut off;

Step S1008, wind path air-supply arrangement returns to initial position, such as, make the regulating part of the wind path air-supply arrangement shown in Fig. 6 move to initial stopper posts place.

Utilize above initialization, can recover default conditions, when avoiding power-off last time, to run the control logic caused not in place chaotic for parts.

Figure 11 is the logical flow chart of the refrigeration control of refrigerating chamber in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention.After refrigerating chamber refrigeration control starts, can following steps be performed:

Step S1102, judges whether FT is greater than F-on, if perform step S1104, performs step S1108 if not;

Step S1104, judges whether compressor is in starting state, if perform step S1110, performs step S1106 if not;

Step S1106, opens compressor and blower fan;

Step S1108, judges whether compressor is in starting state, if perform step S1110, performs step S1116 if not;

Step S1110, judges whether FT is less than F-off, if perform step S1112, performs step S1116 if not;

Step S1112, judges whether compressor is in high rotating speed running status, if perform step S1116, performs step S1114 if not;

Step S1114, close compressor and blower fan;

Step S1116, terminates refrigerating chamber refrigeration control, prepares to enter refrigerating chamber zone refrigeration.

Refrigerating chamber refrigeration control flow process shown in Figure 11 controls the startup of compressor and blower fan, stopping and running status, in the completed, enters the control of refrigerating chamber zone refrigeration.

Figure 12 is the logical flow chart of fast-refrigerating flow process in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention.This fast-refrigerating flow process is applicable to put into high temperature food in the indoor a certain storage space of refrigerator cold-storage, and the temperature of this high temperature food may apparently higher than the design temperature R-set of room temperature and refrigerating chamber.This fast-refrigerating flow process mainly comprises the following steps:

Step S1202, after end refrigerating chamber refrigeration control, starts refrigerating chamber zone refrigeration.This step can be carried out after the step S1116 shown in Figure 11.

Step S1204, drives compressor and blower fan high-speed cruising, and opens refrigeration air door.In step S1204, a kind of concrete realization flow is: first judge whether to occur IRT1>IR1-on+M, IRT2>IR2-on+M, any one situation in IRT3>IR3-on+M, wherein M is preset constant, represent room between a certain storing and occurred that temperature opens the article of cryogenic temperature threshold value M degree higher than room between the first storing, namely high temperature food is stored, if be judged as YES, blower fan is driven to run with high rotating speed, and compressor is run with high rotating speed, if be judged as NO, judge whether compressor is in high-speed state, if compressor is not in high-speed state, perform step S1214, if compressor is in high-speed state, then directly open refrigeration air door.Drive the process of blower fan, compressor and refrigeration air door to include condition adjudgement process in step S1204, be in the running status of needs if judge, then do not repeat to control.At driving blower fan and compressor high-speed cruising, and after opening refrigeration air door, perform step S1206.

Step S1206, the open temp threshold value using multiple storage space to arrange and closing temperature threshold value determine refrigeration mark, be introduced for the first storage space, judge IRT1>IR1-on, if gate1 is set to start, judge whether gate1 has been starting state if not, if gate1 is closed condition, then next storage space is judged, if gate1 is opening, judge IRT1<IR1-off, if, gate1 is set to close and judge next storage space, direct if not next storage space to be judged, corresponding to other storage spaces as the second storage space, 3rd storage space, the deterministic process being similar to the first storage space can be used.For the deterministic process of three storage spaces in Figure 12, in actual use, can carry out increasing and reducing according to the quantity of storage space, and the sequential of the deterministic process of each storage space not circumscribed, can carry out one by one, also can walk abreast and carry out.

Step S1208, determines the running status of air-supply arrangement along separate routes according to the state setting gate1, gate2, gate3 in step S1206, and drives air-supply arrangement along separate routes to run on this state.Figure 13 to Figure 20 respectively illustrates 8 kinds of running statuses of air-supply arrangement along separate routes, wherein Figure 13 is the original state of air-supply arrangement along separate routes, initial from this original state, control and regulation part 224 rotates clockwise predetermined angular, alignment pin 245 is made to stretch in one of them detent 243, utilize occlusion part 226, block different distribution openings respectively, enter room between corresponding storing to make cooling flow.Figure 14 is the first state of air-supply arrangement along separate routes, the first distribution openings crested, and the second distribution openings and the 3rd distribution openings are opened; Figure 15 is the second state of air-supply arrangement along separate routes, the second distribution openings crested, and the first distribution openings and the 3rd distribution openings are opened, and Figure 16 is the third state of air-supply arrangement along separate routes, and the second distribution openings is opened, the first distribution openings and the 3rd distribution openings crested; Figure 17 is the 4th state of air-supply arrangement along separate routes, and the 3rd distribution openings is opened, the first distribution openings and the second distribution openings crested; Figure 18 is the 5th state of air-supply arrangement along separate routes, and the first distribution openings is opened, the second distribution openings and the 3rd distribution openings crested; Figure 19 is the 6th state of air-supply arrangement along separate routes, and the first distribution openings and the second distribution openings are opened, the 3rd distribution openings crested; Figure 20 is the 7th state of air-supply arrangement along separate routes, and regulating part 224 is all opened against another stopper posts, the first distribution openings, the second distribution openings, the 3rd distribution openings.

Table 2 shows and to freeze the corresponding relation identified to the shunt air-supply arrangement running status of carrying out zone refrigeration setting of the refrigerating chamber with three storage spaces and each storage space:

Table 2

In table 2, on representative refrigeration mark is corresponding to be started, and off representative refrigeration mark is corresponding closes.According to above description, the present embodiment can also to having two storage spaces and carrying out the state adjustment of air-supply arrangement along separate routes more than the situation of the storage space of three.

Step S1210, judge whether fast-refrigerating completes according to refrigeration situation, in step S1210, a kind of concrete realization flow is: the temperature of first current storage space is to meet all conditions of IRT1<IR1-off, IRT2<IR2-off, IRT3<IR3-off simultaneously, if satisfied, then close air door, exit high rotating speed pattern, if do not meet, then judge whether RT<R-off, if RT is more than or equal to R-off, enter step S1212, if RT<R-off, then judge that the temperature of storage space is to meet IRT1<IR1-on simultaneously, IRT2<IR2-on, the all conditions of IRT3<IR3-on, if satisfied, same closedown air door, exit high rotating speed pattern, if do not meet, judge whether to meet RT< (R-off-k), namely refrigerating chamber environment mean temperature RT reaches k degree lower than R-off, wherein k is preset constant, if meet RT< (R-off-k), then close air door, exit high rotating speed pattern, if RT is more than or equal to R-off-k, then enter step S1212.At closedown air door, after exiting high rotating speed pattern, can also judge whether freezer temperature FT meets FT<F-off, if so, then close compressor, enter step S1212, then directly enter step S1212 if not.

Step S1212, returns refrigerating chamber refrigeration control flow process, such as, return and perform step S1102.

Step S1214, enters normal zone refrigeration control flow.

Figure 21 is the logical flow chart of normal cooling flow in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention.This normal cooling flow is applicable to cold compartment of refrigerator mean temperature and raises, and carries out the situation of freezing according to room situation between storing.This normal cooling flow mainly comprises the following steps:

Step S2102, starts refrigerating chamber zone refrigeration.This step can be carried out after the step S1214 shown in Figure 12.

Step S2104, drives blower fan and refrigeration air door to start.The concrete realization flow of step S2104 mono-kind is: first judge whether to meet RT>R-on, if meet RT>R-on, then judge whether blower fan is opened, if open, then refrigeration air door is placed in opening, then craspedodrome step S2108, if blower fan is not opened, then return and perform step S2112, if RT is less than or equal to R-on, then judge whether refrigeration air door is opening, if opening then enters step S2104, if refrigeration air door is closed condition, then returns and perform step S2112.

Step S2106, judges whether the temperature of stores in refrigerating chamber environment mean temperature and/or each storage space meets the refrigeration chamber stop condition preset; When meeting refrigeration chamber stop condition, closing refrigeration air door, then directly returning and perform step S2112, if do not meet refrigeration chamber stop condition, perform step S2108.

Step S2108, the open temp threshold value using multiple storage space to arrange and closing temperature threshold value determine refrigeration mark, this step and step S1206 in Figure 12 judge that flow process is substantially identical, judge respectively multiple storage space, determine respective refrigeration mark.

Step S2110, determines the running status of air-supply arrangement along separate routes according to the state setting gate1, gate2, gate3 in step S2108, and drives air-supply arrangement along separate routes to run on this state.This step is substantially identical with the flow process of step S1208 in Figure 12, along separate routes the state of air-supply arrangement and the corresponding relation of gate1, gate2, gate3 as shown in table 2.

Step S2112, returns refrigerating chamber refrigeration control flow process, such as, return and perform step S1102.

The refrigeration chamber stop condition that above step S2106 uses has various ways, Figure 22 judges the logical flow chart that refrigeration chamber stops in the zone refrigeration control method of cold compartment of refrigerator according to an embodiment of the invention, after step S2202 startup refrigeration chamber stops judging flow process, perform following steps successively:

Step S2204, judge whether all conditions simultaneously meeting IRT1<IR1-off, IRT2<IR2-off, IRT3<IR3-off, if satisfied, then close refrigeration air door, perform the step S2112 in Figure 21; If do not meet and perform step S2206;

Step S2206, judge whether to meet RT<R-off, namely the environment mean temperature of refrigerating chamber is lower than default closing temperature threshold value, if RT<R-off performs the determining step of step S2208, if RT is more than or equal to R-off, directly perform the step S2108 in Figure 21;

Step S2208, judges whether all conditions simultaneously meeting IRT1<IR1-on, IRT2<IR2-on, IRT3<IR3-on, if then close refrigeration air door, performs the step S2112 in Figure 21; If do not meet the determining step performing step S2210;

Step S2210, judge whether to meet RT< (R-off-k), namely refrigerating chamber environment mean temperature RT reaches k degree lower than R-off, namely the difference that R-off and RT subtracts each other be greater than k wherein k be preset constant, the above second allowance value of representative, if then close refrigeration air door, perform the step S2112 in Figure 21; Step S2108 in direct execution Figure 21.

Figure 22 shows a kind of optional situation of refrigeration chamber stop condition, in some optional easy judgement flow processs, also the step of step S2204 and step S2206 can only be performed, refrigeration air door is closed after determining RT<R-off, perform the step S2112 in Figure 21, if RT is more than or equal to R-off, directly performs the step S2108 in Figure 21, thus eliminate step S2208 and step S2210.Through test, this abridged refrigeration stop condition also can reach the effect of control, but is worse than the flow process of complete Figure 22.

Through the above explanation to the zone refrigeration control method of the cold compartment of refrigerator of a specific embodiment, can find out that the zone refrigeration control method of the present embodiment can adapt to the operating mode of various many refrigeration storage spaces, effectively achieve the requirement of refrigerating chamber zone refrigeration.It should be noted that the refrigerating chamber that this method is not limited to having three storage spaces controls, can also be applicable to have two storage spaces by simple distortion and carry out shunt more than the refrigerating chamber of the storage space of three and to blow refrigeration control.

The zone refrigeration control method of the cold compartment of refrigerator of the present embodiment and zone refrigeration control device, be applicable to the situation that cold compartment of refrigerator is split into multiple storage space, the temperature of stores in the multiple storage spaces utilizing infrared sensing device to sense, position and the temperature of refrigerator endogenous pyrogen is accurately determined by the infrared energy receiving the article release of placing, after the temperature of stores meets default fast-refrigerating entry condition, drive blower fan and compressor operating in high rotating speed pattern, by shunt air-supply arrangement according to refrigerating state assignment system cold airflow in each storage space, control more accurate, ensure that and carry out refrigeration control according to the situation of storage space stores, avoid the waste of energy that whole refrigeration chamber is caused.Further, the zone refrigeration control method of the cold compartment of refrigerator of the present embodiment and zone refrigeration control device, article that can also be higher to temperature are fast lowered the temperature, reduce temperature higher building product to the impact of other article stored, improve the hoarding effect of cold compartment of refrigerator, reduce the nutrition leak of food.Further, the zone refrigeration control method of the cold compartment of refrigerator of the present embodiment and zone refrigeration control device, the logical comprehensive descision to the temperature of stored goods in environment temperature whole in refrigerating chamber and each storage space, correspondingly adjust the refrigeration modes of refrigerating chamber, improve the flexibility that refrigeration chamber controls.

So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.

Claims

1. the zone refrigeration control method of a cold compartment of refrigerator, described refrigerating chamber is separated into multiple storage space, the infrared sensing device of the temperature for sensing stores in described multiple storage space is respectively provided with in described refrigerating chamber, and described refrigerator is provided with air-supply arrangement along separate routes, described shunt air-supply arrangement is configured to the cooling flow coming from low-temperature receiver to be dispensed to described multiple storage space, and wherein said zone refrigeration control method comprises:

The temperature of stores in the described multiple storage space obtaining described infrared sensing device sensing;

Judge whether the temperature of described stores meets the fast-refrigerating entry condition preset;

If, then drive described low-temperature receiver with fast-refrigerating mode operation and open the refrigeration air door between described low-temperature receiver to described shunt air-supply arrangement, wherein under fast-refrigerating pattern, the refrigeration blower fan in described low-temperature receiver and compressor all run with the rotating speed higher than normal refrigerating mode;

Determine that its refrigerating state mark is arranged according to the temperature of stores in each described storage space;

Drive described shunt air-supply arrangement to move to and identify corresponding state with the refrigerating state of multiple described storage space.

2. method according to claim 1, wherein, judges whether the temperature of described stores meets the fast-refrigerating entry condition preset and comprise:

Open temp threshold value of being freezed the first area that the temperature of the stores of each described storage space and each described storage space are preset separately compares;

If the temperature of at least one stores in described multiple storage space higher than described first area refrigeration open temp threshold value, is then determined to meet the fast-refrigerating entry condition preset.

3. method according to claim 2, wherein, determine that the setting of its refrigerating state mark comprises according to the temperature of stores in each described storage space:

Open temp threshold value of being freezed by the second area that the temperature of stores in each described storage space and each described storage space are preset separately compares;

The refrigerating state mark described article temperature being greater than the storage space of described region refrigeration open temp threshold value corresponding is set to start.

4. method according to claim 3, wherein, drives described shunt air-supply arrangement to move to identify corresponding state with the refrigerating state of multiple described storage space and comprises:

Drive described shunt air-supply arrangement to move to state that the storage space being designated startup to described refrigerating state provides described cooling flow.

5. method according to claim 3, wherein,

The numerical value that the first area refrigeration open temp threshold value of each described storage space is greater than second area refrigeration open temp threshold value described in it is the first default allowance value.

6. method according to any one of claim 1 to 5, wherein, in the described multiple storage space obtaining described infrared sensing device sensing the temperature of stores step before also comprise:

Obtain described refrigerator electrifying startup signal; And

Initialize the refrigeration system of described refrigerator, described refrigeration system comprises: described compressor, blower fan and described shunt air-supply arrangement.

7. method according to claim 6, wherein, initialized step is carried out to the refrigeration system of described refrigerator and comprises:

Close described compressor, described blower fan and described refrigeration air door, and drive described shunt air-supply arrangement to move to initial position.

8. method according to claim 7, described refrigerator also comprises refrigerating chamber, wherein also comprises after initializing the refrigeration system of described refrigerator:

Obtain the temperature of described refrigerating chamber, and carry out the refrigeration judgement of described refrigerating chamber according to the temperature of described refrigerating chamber, to regulate the start and stop state of described compressor, described blower fan and described refrigeration air door; And

After the refrigeration completing described refrigerating chamber judges, the step of the temperature of stores in described multiple storage space of the described infrared sensing device sensing of startup acquisition.

9. method according to claim 8, wherein, also be provided with the cold storage environment temperature sensing device for sensing described refrigerating chamber environment mean temperature in described refrigerating chamber, and the described shunt air-supply arrangement of driving move to identify corresponding state with the refrigerating state of multiple described storage space after also comprise:

Obtain described refrigerating chamber environment mean temperature;

Judge whether the temperature of stores in described refrigerating chamber environment mean temperature and each described storage space meets the air door preset and close condition;

If so, drive described refrigeration air door to close, exit fast-refrigerating pattern and return the step performing the temperature obtaining described refrigerating chamber;

If not, the step performing the temperature obtaining described refrigerating chamber is directly returned.

10. method according to claim 9, wherein, described air door is closed condition and is comprised:

The temperature of the interior stores of each described storage space is all less than default region refrigeration closing temperature threshold value; Or

When described refrigerating chamber environment mean temperature is less than default refrigerating chamber integrally cooling closing temperature threshold value, the temperature of the interior stores of each described storage space is all less than the second area refrigeration open temp threshold value that each described storage space is preset separately; Or

The difference that described integrally cooling closing temperature threshold value deducts described refrigerating chamber environment mean temperature is greater than the second default allowance value.

The zone refrigeration control device of 11. 1 kinds of cold compartment of refrigerator, described refrigerating chamber is separated into multiple storage space, the infrared sensing device of the temperature for sensing stores in described multiple storage space is respectively provided with in described refrigerating chamber, and described refrigerator is provided with air-supply arrangement along separate routes, described shunt air-supply arrangement is configured to the cooling flow coming from low-temperature receiver to be dispensed to described multiple storage space, and wherein said zone refrigeration control device comprises:

First temperature acquisition module, the temperature of stores in the described multiple storage space being configured to obtain described infrared sensing device sensing;

First judge module, is configured to judge whether the temperature of described stores meets the fast-refrigerating entry condition preset;

Low-temperature receiver starts module, the judged result being configured to described first judge module is yes, then drive described low-temperature receiver with fast-refrigerating mode operation and open the refrigeration air door between described low-temperature receiver to described shunt air-supply arrangement, wherein under fast-refrigerating pattern, the refrigeration blower fan in described low-temperature receiver and compressor all run with the rotating speed higher than normal refrigerating mode;

Mark arranges module, is configured to determine that its refrigerating state mark is arranged according to the temperature of stores in each described storage space;

Driver module, is configured to drive described shunt air-supply arrangement to move to and identifies corresponding state with the refrigerating state of multiple described storage space.

12. devices according to claim 11, wherein, described first judge module is also configured to:

13. devices according to claim 12, wherein, described mark arranges module and is also configured to:

Open temp threshold value of being freezed by the second area that the temperature of stores in each described storage space and each described storage space are preset separately compares; And

The refrigerating state mark described article temperature being greater than the storage space of described region refrigeration open temp threshold value corresponding is set to start, and

14. devices according to claim 13, wherein said driver module is also configured to:

15., according to claim 11 to the device according to any one of 14, also comprise initialization module, are configured to:

Obtain described refrigerator electrifying startup signal; And the refrigeration system of described refrigerator is initialized, described refrigeration system comprises: described compressor, refrigeration air door, blower fan and described shunt air-supply arrangement.

16. devices according to claim 15, wherein, described initialization module is also configured to:

17. devices according to claim 16, described refrigerator also comprises refrigerating chamber, and described zone refrigeration control device also comprises:

Second temperature acquisition module, is configured to the temperature obtaining described refrigerating chamber, and carries out the refrigeration judgement of described refrigerating chamber according to the temperature of described refrigerating chamber, to regulate the start and stop state of described compressor, described blower fan and described refrigeration air door; And

Described first temperature acquisition module is also configured to: after the refrigeration completing described refrigerating chamber judges, the step of the temperature of stores in described multiple storage space of the described infrared sensing device sensing of startup acquisition.

18. devices according to claim 17, wherein, are also provided with the cold storage environment temperature sensing device for sensing described refrigerating chamber environment mean temperature in described refrigerating chamber, and the zone refrigeration of described cold compartment of refrigerator controls also to comprise:

3rd temperature acquisition module, is configured to obtain described refrigerating chamber environment mean temperature;

Second judge module, be configured to judge whether the temperature of stores in described refrigerating chamber environment mean temperature and each described storage space meets the air door preset and close condition, if, described refrigeration air door is driven to close, exit fast-refrigerating pattern and return the step performing the temperature obtaining described refrigerating chamber, if not, directly return the step performing the temperature obtaining described refrigerating chamber, and described air door condition of closing comprises: