CN216204578U - Refrigerating system and refrigerator - Google Patents

Abstract

The utility model provides a refrigerating system and a refrigerator, wherein the refrigerating system comprises at least two chambers, at least two air channels and air doors, the air channels are communicated with the chambers in a one-to-one correspondence manner, the air doors are arranged at one ends of the at least two air channels, the on-off and the flow rate of the at least two air channels can be respectively controlled through the movement of the air doors, a temperature sensor is arranged in each chamber, and the air doors can control the on-off and the flow rate of the air channels communicated with the chambers according to the temperature in each chamber detected by each temperature sensor. According to the utility model, the temperature control precision of each chamber can be improved, the regional refinement degree of temperature control is improved, and more various air supply mode combinations are provided for different placing habits of users and different utilization rates of the internal space of the refrigerator; and a plurality of control systems are used, so that a plurality of temperature control modes and high temperature control precision are realized.

Description

Refrigerating system and refrigerator

Technical Field

The utility model relates to the technical field of refrigeration, in particular to a refrigeration system and a refrigerator.

Background

At present, the air-cooled refrigerator gradually occupies most of refrigerator markets due to the advantages of frost-free, uniform temperature and the like, and as for a refrigerating chamber of the refrigerator, a refrigerating air channel of most of the refrigerator is divided into six air ports of an upper layer, a middle layer and a lower layer, an air door for controlling the air channel only has one opening and closing mode, when the air door is opened, the six air ports simultaneously exhaust air, and when the air door is closed, the refrigerating air channel stops supplying air. The air duct structure and the opening and closing mode of the air door can not meet the requirement of local temperature control in the refrigerator chamber.

Some utility model patents have also noticed such problem, and they have also taken some modes to go to optimize the accuse temperature mode and the wind channel structure of refrigerator, for example all mentioned the theory of multi-temperature-zone in utility model patent CN 205192034U and utility model patent CN 104266433A, remove the accurate degree of local accuse temperature that promotes the refrigerator through changing wind channel structure and air door quantity, but in these utility model patents, all used a plurality of air doors and control system, improved manufacturing cost.

In utility model patent CN 104879985 a, a single air door system is used to control multiple air ducts, but the control of the air ducts is limited to the upper, middle and lower three layers, and the temperature control of the zones cannot be achieved accurately enough.

In utility model patent CN 105928298A and most similar utility model patent, though taken special air door system and carried out independent accuse temperature to indoor each wind gap of refrigerator room, the accuse temperature logic of its adoption is comparatively simple, generally for detecting room temperature when reacing the settlement temperature point value to the air door system when the temperature sensing package sends the action instruction, does not consider influence factors such as thermal inertia, and this kind of accuse temperature logic can not reach the purpose of accurate accuse temperature.

Because the temperature control area of the traditional air-cooled refrigerator in the prior art is relatively fixed, the temperature of a certain area cannot be controlled independently; the existing technology capable of realizing regional temperature control uses more air doors and control systems; the existing single-point detection temperature control mode cannot meet the requirement of accurate temperature control and the like, so that the utility model researches and designs a refrigerating system and a refrigerator.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the local temperature control precision in each chamber of the refrigerator in the prior art is low, so that the utility model provides a refrigerating system and the refrigerator.

In order to solve the above problems, the present invention provides a refrigeration system, wherein:

including room, wind channel and air door, the room is at least two, the wind channel is also at least two, the wind channel with room one-to-one intercommunication, the air door sets up at least two the one end in wind channel, through the motion ability of air door is respectively to at least two the break-make in wind channel and the size of circulation flow are controlled, every all be provided with temperature sensor in the room, the air door can be according to each that temperature sensor detected out in the room the temperature and the break-make in wind channel and the size of circulation flow with this room intercommunication.

In some embodiments, the damper is a cylindrical structure, a circulation channel is opened on an outer peripheral surface of the damper, the circulation channel extends from an outer peripheral surface of one side of the cylindrical structure to an outer peripheral surface of the other side of the cylindrical structure, and when the circulation channel is opposite to one end of the air duct, the air duct can suck cold air through the circulation channel.

In some embodiments, the number of the circulation passages is at least two, the air passages include a first air passage and a second air passage, the first air passage and the second air passage are arranged in a staggered manner along the axial direction of the cylinder structure, the circulation passages include a first circulation passage and a second circulation passage, the first circulation passage and the second circulation passage are arranged in a staggered manner along the circumferential direction and the axial direction of the cylinder structure, the first circulation passage can be communicated with the first air passage when the air door rotates to the first position, and the second circulation passage can be communicated with the second air passage when the air door rotates to the second position.

In some embodiments, when the damper rotates to the first position around the axis thereof, the first flow passage faces the first air duct, the first flow passage is not communicated with the second air duct, and the second flow passage is not opposite to the second air duct; when the air door rotates to the second position around the axis of the air door, the second circulation channel is opposite to the second air channel, the second circulation channel is not communicated with the first air channel, and at the moment, the first circulation channel is not opposite to the first air channel.

In some embodiments, the wind channel still includes the third wind channel, first wind channel, second wind channel and the third wind channel is followed the axial direction of cylinder structure arranges in proper order, the circulation passageway still includes the third circulation passageway, first circulation passageway, second circulation passageway with the third circulation passageway is followed the circumference direction and the axial direction of cylinder structure all stagger in proper order and arrange, when the air door rotates to the third position the third circulation passageway can with the third wind channel intercommunication.

In some embodiments, when the damper rotates to the third position around the axis thereof, the third circulation passage is opposite to the third air duct, the third circulation passage is not communicated with the first air duct and the second air duct, and the second circulation passage is not opposite to the second air duct, and the first circulation passage is not opposite to the first air duct.

In some embodiments, the flow channels further include a fourth flow channel, a length of the fourth flow channel in an axial direction of the cylindrical structure is greater than or equal to a sum of lengths of the first air duct, the second air duct, and the third air duct in the axial direction, and the fourth flow channel, the first flow channel, the second flow channel, and the third flow channel are sequentially arranged in a staggered manner in a circumferential direction of the cylindrical structure;

when the air door rotates around the axis of the air door to the fourth circulation channel and the first air channel are aligned, the fourth circulation channel is simultaneously communicated with the first air channel, the second air channel and the third air channel, and the first circulation channel, the second circulation channel and the third circulation channel are not communicated with the air channels.

In some embodiments, the air door is two, including left air door and right air door, the compartment includes upper left compartment, middle left compartment, lower left compartment, upper right compartment, middle right compartment and lower right compartment, the wind channel still includes fourth wind channel, fifth wind channel and sixth wind channel, the one end in first wind channel with lower left compartment intercommunication, the other end can with on the left air door circulate the passageway intercommunication, the one end in second wind channel with middle left compartment intercommunication, the other end can with on the left air door circulate the passageway intercommunication, the one end in third wind channel with upper left compartment intercommunication, the other end can with on the left air door circulate the passageway intercommunication, the one end in fourth wind channel with upper right compartment intercommunication, the other end can with on the right air door circulate the passageway intercommunication, the one end in fifth wind channel with middle right compartment intercommunication, The other end can with on the right air door the circulation passageway intercommunication, the one end in sixth wind channel with lower right compartment intercommunication, the other end can with on the right air door the circulation passageway intercommunication.

In some embodiments, the device further comprises a vertical partition, a first horizontal partition and a second horizontal partition, wherein the vertical partition separates and seals the left and right two-part chambers, the first horizontal partition separates and seals the upper and middle two-part chambers, and the second horizontal partition separates and seals the middle and lower two-part chambers.

In some embodiments, the air conditioner further comprises a motor and a damper cover, wherein the motor is connected with the damper to drive the damper to rotate, and the damper cover is connected with the damper to seal the damper.

In some embodiments, the air door further comprises an air door sleeve, a first plate and a second plate, wherein the air door sleeve is sleeved on at least part of the periphery of the air door, the first plate is arranged on one side of the air channel, and the second plate is arranged on the other side of the air channel.

The utility model also provides a refrigerator comprising the refrigeration system of any one of the preceding claims.

The refrigeration system and the refrigerator provided by the utility model have the following beneficial effects:

according to the refrigerator air supply system, at least two chambers are arranged, each chamber is correspondingly provided with an air channel, the movable air door is arranged, the opening and closing of each air channel and the size of the circulation flow can be controlled, the on-off and circulation flow change of the air door can be effectively controlled through the temperature detected in the chambers in the control mode of the air door, the temperature control precision of each chamber can be improved, the regional fine degree of temperature control is improved, and more various air supply mode combinations are provided for different placing habits of users and different utilization rates of the internal space of the refrigerator; a plurality of control systems are used, so that a plurality of temperature control modes and high temperature control precision are realized; the air door system adopts the movable cylindrical inner shaft design, and the double air doors are matched to realize various air supply modes, so that the cost is saved, and the modes of the air supply system are increased; the utility model adopts a multi-point fitting curve temperature control mode to control the rotation mode of the air door so as to control the temperature of the interior of the refrigerator compartment, and can further improve the temperature control precision.

Drawings

FIG. 1 is a view of the internal structure of the air duct assembly (including the air duct and damper) of the present invention;

FIG. 2 is an exploded view of the air chute assembly of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a gas flow path diagram of FIG. 2;

FIG. 5 is a structural view of a refrigerating compartment of the refrigerator (refrigeration system) loaded with the air duct assembly;

FIG. 6 is a control logic diagram of the temperature control of the multi-point fitting curve of the present invention.

The reference numerals are represented as:

1. a compartment; 11. the upper left compartment; 12. a left middle chamber; 13. a lower left compartment; 14. the upper right compartment; 15. a right middle chamber; 16. a lower right compartment; 2. an air duct; 21. a first air duct; 22. a second air duct; 23. a third air duct; 24. a fourth air duct; 25. a fifth air duct; 26. a sixth air duct; 3. a damper; 30. a flow-through channel; 31. a first flow-through channel; 32. a second flow-through channel; 33. a third flow-through channel; 34. a fourth flow-through channel; 3a, a left air door; 3b, a right air door; 4. a motor; 5. a damper cover; 61. a first cross partition; 62. a second cross partition; 63. vertically separating; 7. an air door sleeve; 81. a first plate; 82. a second plate.

Detailed Description

As shown in fig. 1 to 6, the present invention provides a refrigeration system, which includes at least two compartments 1, at least two air ducts 2, and at least two air doors 3, wherein the air ducts 2 are in one-to-one correspondence with the compartments 1, the air doors 3 are disposed at one ends of the at least two air ducts 2, the on/off and the flow rate of the at least two air ducts 2 can be controlled by the movement of the air doors 3, each compartment 1 is provided with a temperature sensor, and the air doors 3 can control the on/off and the flow rate of the air ducts 2 communicated with the compartment 1 according to the temperature in each compartment 1 detected by each temperature sensor.

According to the refrigerator air supply system, at least two chambers are arranged, each chamber is correspondingly provided with an air channel, the movable air door is arranged, the opening and closing of each air channel and the size of the circulation flow can be controlled, the on-off and circulation flow change of the air door can be effectively controlled through the temperature detected in the chambers in the control mode of the air door, the temperature control precision of each chamber can be improved, the regional fine degree of temperature control is improved, and more various air supply mode combinations are provided for different placing habits of users and different utilization rates of the internal space of the refrigerator; and a plurality of control systems are used, so that a plurality of temperature control modes and high temperature control precision are realized.

1. The temperature control area in the refrigerator compartment can realize various combinations, and the degree of freedom of the temperature control area set is greatly improved; the problem that the temperature control area of the traditional air-cooled refrigerator is relatively fixed and the temperature of a certain area cannot be controlled independently is solved;

2. the temperature control area is finer, and the temperature is controlled locally according to the space utilization rate;

3. a plurality of control systems are used, so that a plurality of temperature control modes and high temperature control precision are realized; the problem that the existing technology capable of realizing regional temperature control uses more air doors and control systems is solved;

4. the utility model adopts a multi-point fitting curve temperature control mode, thus improving the accuracy of the temperature control in the compartment; the problem that the temperature control method of the existing single-point detection temperature control cannot meet the requirement of accurate temperature control is solved.

According to the utility model, the double-drive double-air-door system is adopted, the aim that six air ports of the three layers of air channels can be independently controlled is achieved, a better temperature control effect can be achieved aiming at different space utilization rates and different use habits of users, and meanwhile, a multi-point fitting curve temperature control mode is adopted, so that the temperature control in the refrigerator compartment is more accurate.

The device mentioned in the utility model consists of two parts, namely an air duct and an air door system.

The air duct part is divided into six independent air ducts without mutual interference, as shown in figure 2, the air ducts are arranged at the back of a refrigerating chamber of the refrigerator, and the lower air inlets are also divided into six air inlets which are in butt joint with the left air door system and the right air door system. The air door system part consists of an air door cover 5, a motor 4, an air door 3 and an air door sleeve 7.

In some embodiments, the damper 3 is a cylindrical structure, and a circulation channel 30 is opened on an outer peripheral surface thereof, the circulation channel 30 extends through from an outer peripheral surface of one side of the cylindrical structure to an outer peripheral surface of the other side thereof, and when the circulation channel 30 is opposite to one end of the air duct 2, the air duct 2 can suck cold air through the circulation channel 30.

The air door system adopts the design of the movable cylindrical inner shaft, and the circulation channel which is started in a penetrating mode on the peripheral surface of the air door system can rotate to be communicated with the air channel or not through the rotation of the cylindrical structure and can also rotate to be communicated with the air channel through the area between the circulation channel and the air channel, so that the flow rate of the circulation is effectively controlled, the valve control is effectively realized, and the effect of precise temperature control is realized.

The double air doors are matched to realize various air supply modes, so that the cost is saved and the modes of an air supply system are increased; the utility model adopts a multi-point fitting curve temperature control mode to control the rotation mode of the air door so as to control the temperature of the interior of the refrigerator compartment, and can further improve the temperature control precision.

In some embodiments, the number of the circulation passages 30 is at least two, the air duct 2 includes a first air duct 21 and a second air duct 22, the first air duct 21 and the second air duct 22 are arranged in a staggered manner along the axial direction of the cylinder structure, the circulation passage 30 includes a first circulation passage 31 and a second circulation passage 32, the first circulation passage 31 and the second circulation passage 32 are arranged in a staggered manner along the circumferential direction and the axial direction of the cylinder structure, the first circulation passage 31 can be communicated with the first air duct 21 when the damper 3 rotates to the first position, and the second circulation passage 32 can be communicated with the second air duct 22 when the damper 3 rotates to the second position. This is a preferred embodiment of the flow channel according to the utility model, which is formed by at least two flow channels and two air ducts, which are offset in the circumferential direction of the cylinder, the two air channels are arranged in a staggered manner along the axial direction, the two air channels are arranged in a staggered manner along the axial direction of the cylindrical structure in a matched manner, the first air channel can be communicated with the first air channel along with the rotation of the air door due to the circumferential staggered manner, at the moment, the second air channel is not opposite to the second air channel in the circumferential direction, the axial staggered manner is realized, and the second air channel is ensured not to be opposite to the first air channel when the second air channel is aligned, so that the air in the second air channel is prevented from entering the first air channel, the air supply error is prevented, and the temperature control precision is influenced, therefore, whether different air ducts are integrally controlled to be communicated or not and the communication flow can be adjusted under the structure of the same air door, and the effect of accurately controlling the temperature of different chambers is achieved.

In some embodiments, when the damper 3 is rotated to the first position around its axis, the first flow path 31 is opposite to the first air duct 21, the first flow path 31 is not communicated with the second air duct 22, and the second flow path 32 is not opposite to the second air duct 22; when the damper 3 rotates around the axis thereof to the second position, the second flow passage 32 faces the second air duct 22, the second flow passage 32 is not communicated with the first air duct 21, and at this time, the first flow passage 31 is not opposite to the first air duct 21. The air door and the first and second circulation channels are in a further preferable structure form, when the air door rotates to the first position, the first circulation channel can be opposite to the first air channel, other circulation channels are staggered with the air channel in the circumferential direction and do not form communication, when the air door rotates to the second position, the second circulation channel can be opposite to the second air channel, other circulation channels are staggered with the air channel in the circumferential direction and do not form communication, control that whether air enters the air channels or not is controlled by the same air door is formed, control parts are reduced, the structure is compact, and the control precision is high.

In some embodiments, the air duct 2 further includes a third air duct 23, the first air duct 21, the second air duct 22 and the third air duct 23 are sequentially arranged along the axial direction of the cylinder structure, the circulation passage 30 further includes a third circulation passage 33, the first circulation passage 31, the second circulation passage 32 and the third circulation passage 33 are sequentially arranged in a staggered manner along the circumferential direction and the axial direction of the cylinder structure, and the third circulation passage 33 can communicate with the third air duct 23 when the damper 3 rotates to the third position. The utility model can further form the functions of communicating air inlet of the third chamber and accurately controlling the temperature of the third chamber through the arrangement of the third air duct, thereby respectively controlling the air supply of the preferable three different chambers in the refrigerator and improving the effect of accurately controlling the temperature of each chamber.

In some embodiments, when the damper 3 rotates to the third position around its axis, the third flow channel 33 faces the third air duct 23, the third flow channel 33 is not communicated with the first air duct 21 and the second air duct 22, and the second flow channel 32 is not opposite to the second air duct 22, and the first flow channel 31 is not opposite to the first air duct 21. The air door and the third circulation channel are further preferred in structural form, when the air door rotates to the third position, the third circulation channel is opposite to the third air channel, other circulation channels are staggered with the air channels in the circumferential direction and are not communicated with the air channels, and the air channels are controlled by the same air door to control whether air enters or not, so that control parts are reduced, the structure is compact, and the control precision is high.

In some embodiments, the circulation passage 30 further includes a fourth circulation passage 34, a length of the fourth circulation passage 34 in an axial direction of the cylindrical structure is greater than or equal to a sum of lengths of the first air duct 21, the second air duct 22 and the third air duct 23 in the axial direction, and the fourth circulation passage 34 and the first circulation passage 31, the second circulation passage 32 and the third circulation passage 33 are sequentially arranged in a staggered manner in a circumferential direction of the cylindrical structure;

when the damper 3 rotates around the axis thereof to the fourth circulation passage 34 and the first air duct 21 are aligned, the fourth circulation passage 34 is simultaneously communicated with the first air duct 21, the second air duct 22 and the third air duct 23, and the first circulation passage 31, the second circulation passage 32 and the third circulation passage 33 are not communicated with the air duct 2.

The air door is arranged on the first air channel, the second air channel and the third air channel, and the air door is arranged on the second air channel and is communicated with the air inlet channel through the third circulation channel.

The operation of the system is illustrated in FIGS. 3 and 4, with FIG. 3 showing the rotor of the duct and damper separately removed. The opening of the rotor corresponds to the air duct, in fig. 3, when the rotor rotates to the position under the driving of the motor, the sixth air duct 26 is aligned with the air duct, the air door is fully opened, the three air ducts of the first air duct, the second air duct and the third air duct are all connected into the circulating air duct of the refrigerator, and the corresponding air outlets can exhaust air. The first flow channel 31 in the rotor switch (damper) corresponds to the first air duct 21, when the first flow channel 31 of the rotor rotates to connect the first air duct 21 into the refrigerator circulating air duct, only the air in the first area is blown out, and similarly, when the openings (the second flow channel 32 and the third flow channel 33) respectively connect the second air duct 22 and the third air duct 23 into the circulating air duct along with the rotation of the rotor, only the air in the corresponding air outlets is blown out. When the rotor rotates to the position between the openings, the circulating air duct is closed, and no cold air is blown into the cold storage chamber.

In some embodiments, the number of the dampers 3 is two, including a left damper 3a and a right damper 3b, the chamber 1 includes an upper left chamber 11, a middle left chamber 12, a lower left chamber 13, an upper right chamber 14, a middle right chamber 15 and a lower right chamber 16, the air duct 2 further includes a fourth air duct 24, a fifth air duct 25 and a sixth air duct 26, one end of the first air duct 21 is communicated with the lower left chamber 13, the other end thereof can be communicated with the circulation passage 30 on the left damper 3a, one end of the second air duct 22 is communicated with the middle left chamber 12, the other end thereof can be communicated with the circulation passage 30 on the left damper 3a, one end of the third air duct 23 is communicated with the upper left chamber 11, the other end thereof can be communicated with the circulation passage 30 on the left damper 3a, one end of the fourth air duct 24 is communicated with the upper right chamber 14, The other end can with on the right air door 3b circulation passageway 30 intercommunication, the one end in fifth wind channel 25 with the middle room 15 intercommunication in the right side, the other end can with on the right air door 3b circulation passageway 30 intercommunication, the one end in sixth wind channel 26 with under the right side room 16 intercommunication, the other end can with on the right air door 3b circulation passageway 30 intercommunication.

The air door is in the optimal structure form and the multiple compartments, the double air doors are matched to realize multiple different air supply modes, the mode of an air supply system is increased while the cost is saved, the air supply refrigeration can be simultaneously carried out on the multiple compartments with different left and right sides, the differentiated air supply refrigeration or the unified air supply refrigeration is formed, the refrigeration effect is improved, and the temperature control precision is improved.

Fig. 5 shows a refrigerator cold storage compartment with the duct system, which is divided into six separate zones by partitions, and each duct of the duct system is individually responsible for cooling one zone. In the practical use process, when the height of a user is high, articles can be habitually placed on the uppermost layer of the refrigerating chamber of the refrigerator, namely the upper area position of the refrigerating chamber of the refrigerator, at the moment, the left air door switch and the right air door switch are adjusted, the opening (the circulation channel 30) is connected into the circulating air duct of the refrigerator, the area is independently refrigerated, and accurate temperature control is easier to achieve in a small area. Similarly, aiming at the using habits of different users for the cold storage chambers of the refrigerator, the air duct system can realize the targeted local refrigeration according to the actual article placing condition, so that the temperature control is more accurate.

In some embodiments, the device further comprises a vertical partition 63, a first horizontal partition 61 and a second horizontal partition 62, wherein the vertical partition 63 separates and seals the left and right two-part chambers, the first horizontal partition 61 separates and seals the upper and middle two-part chambers, and the second horizontal partition 62 separates and seals the middle and lower two-part chambers. The utility model can form the separation and sealing function between two adjacent compartments through the vertical partition and the two transverse partitions, so that each compartment is in an independent temperature range state, a user can perform individualized control on different compartments according to needs to meet the requirements, the control can be effectively realized through one or two air doors, the arrangement of control parts is reduced, the structure is compact, the integrated control is realized, and the control precision is higher.

In some embodiments, the air door device further comprises a motor 4 and a door cover 5, wherein the motor 4 is connected with the door 3 to drive the door 3 to rotate, and the door cover 5 is connected with the door 3 to seal the door 3. The air door can be driven to rotate by the motor, and the air door cover can seal the air door, so that air leakage is prevented, and the refrigeration effect is improved.

In some embodiments, the air door further comprises an air door sleeve 7, a first plate 81 and a second plate 82, wherein the air door sleeve 7 is sleeved on at least part of the periphery of the air door 3, the first plate 81 is arranged on one side of the air duct 2, and the second plate 82 is arranged on the other side of the air duct 2. The arrangement of the air door sleeve can fix and protect the air door, the first plate and the second plate can be combined to form an air duct between the first plate and the second plate, the air duct is preferably arranged on the first plate, and the second plate is used for sealing an air duct structure on the first plate.

The utility model also provides a refrigerator comprising the refrigeration system of any one of the preceding claims.

The utility model also provides a control method of the refrigeration system, which comprises the following steps:

a detection step of detecting the temperature in each of the compartments 1;

a judging step of judging the temperature T of the chamber and a preset temperature T_{Is provided with}The relationship between;

control step, when T-T_{Is provided with}＞T_{Difference (D)}When the air door is opened, the air door 3 is controlled not to act, wherein the initial state between the air channel and the circulation channel 30 of the air door is a communication state; when T-T_{Is provided with}≤T_{Difference (D)}At the time, the damper 3 is controlled to operate so that the damper 3 rotates to reduce the flow between the air passage and the flow passage 30Through flow of, wherein T_{Is provided with}And T_{Difference (D)}Are all preset values.

FIG. 6 is a logic diagram of the temperature control system in the present invention, in which a thermal bulb in a refrigerator compartment is used to monitor temperature, assuming that temperature T is a set temperature of a cold storage compartment, when a difference between the temperature monitored by the thermal bulb and the set temperature T exceeds 5 ℃, the temperature control system is not started (the fourth circulation channel 34 is connected in an initial state), no action instruction is given to the damper system, when the difference between the temperature monitored by the thermal bulb and the set temperature is within 5 ℃, the temperature control system is turned on (since convection heat transfer requires time, a slow cooling rate starts when the temperature differs by 5 ℃), after turning on, the temperature control system records the temperature of the compartment monitored by a set of thermal bulbs every 10s, after recording 10 sets of data, starts to fit a temperature change curve, and adjusts the fit curve with new recorded data, once adjustment is performed, the slope change of the curve is recorded, according to the curve slope data obtained every time, the opening and closing angle of the rotor switch of the air door system is adjusted, the influence of thermal inertia is reduced, when the temperature of the compartment reaches the set temperature, the slope of the fitting curve is 0, the rotor switch is closed to the position of a residual gap, the residual meaning mentioned here is that the air door system cannot be completely closed in the running process of the refrigerator, after the temperature inside the compartment reaches the set temperature, the air door system can leave a thread gap, at the moment, cold energy is still input into the compartment, and the cold energy is used for supplementing the cold energy lost when the refrigerator leaks cold.

In some embodiments, the detecting step records the temperature data in the compartment 1 every time T0 when T-T is less than or equal to T difference, and fits the variation curve of temperature and time according to the temperature data;

the control step is to control the rotation angle of the damper 3 according to the slope of the curve of the variation curve, so as to control the flow rate of the air duct and the flow channel 30; and when the slope of the curve is reduced, controlling the flow rate to be reduced, and when the slope of the curve is increased, controlling the flow rate to be increased.

In some embodiments, T_{Difference (D)}＝5℃；t0＝10s。

In the utility model, a camera can be added in each control area and is connected with the controller for controlling the air door, the camera feeds back to the air door controller after receiving the placing conditions of different areas of the refrigerating chamber, and the opening and closing of the air door of each area are automatically adjusted according to the placing conditions of articles in each area.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (12)

1. A refrigeration system, characterized by:

including room (1), wind channel (2) and air door (3), room (1) is at least two, wind channel (2) also are at least two, wind channel (2) with room (1) one-to-one intercommunication, air door (3) set up at least two the one end of wind channel (2), through the motion energy of air door (3) is respectively to at least two the break-make and the size of circulation flow in wind channel (2) are controlled, every all be provided with temperature sensor in room (1), air door (3) can be according to each that temperature sensor detected out in room (1) and the control and the size of the break-make and the circulation flow in wind channel (2) of this room (1) intercommunication.

2. The refrigeration system of claim 1, wherein:

the air door (3) is of a cylindrical structure, a circulation passage (30) is formed in the outer peripheral surface of the air door, the circulation passage (30) penetrates from the outer peripheral surface of one side of the cylindrical structure to extend to the outer peripheral surface of the other side of the cylindrical structure, and when the circulation passage (30) is opposite to one end of the air duct (2), the air duct (2) can suck cold air through the circulation passage (30).

3. The refrigeration system of claim 2, wherein:

circulation passageway (30) also are at least two, wind channel (2) are including first wind channel (21) and second wind channel (22), first wind channel (21) with second wind channel (22) are followed the axial direction of cylinder structure staggers and arranges, circulation passageway (30) are including first circulation passageway (31) and second circulation passageway (32), first circulation passageway (31) with second circulation passageway (32) are followed the circumference direction and the axial direction of cylinder structure all stagger and arrange, when air door (3) rotate to the primary importance first circulation passageway (31) can with first wind channel (21) intercommunication, when air door (3) rotate to the secondary importance second circulation passageway (32) can with second wind channel (22) intercommunication.

4. The refrigeration system of claim 3, wherein:

when the air door (3) rotates to the first position around the axis of the air door, the first flow channel (31) is opposite to the first air channel (21), the first flow channel (31) is not communicated with the second air channel (22), and the second flow channel (32) is not opposite to the second air channel (22); when the air door (3) rotates to the second position around the axis of the air door, the second circulation channel (32) is opposite to the second air channel (22), the second circulation channel (32) is not communicated with the first air channel (21), and at the moment, the first circulation channel (31) is not opposite to the first air channel (21).

5. The refrigeration system of claim 3, wherein:

wind channel (2) still include third wind channel (23), first wind channel (21) second wind channel (22) with third wind channel (23) are followed the axial direction of cylinder structure arranges in proper order, circulation passageway (30) still include third circulation passageway (33), first circulation passageway (31), second circulation passageway (32) with third circulation passageway (33) are followed the circumference direction and the axial direction of cylinder structure all stagger in proper order and arrange, when air door (3) rotated to the third position third circulation passageway (33) can with third wind channel (23) intercommunication.

6. The refrigeration system of claim 5, wherein:

when air door (3) rotated around its axis and arrived when the third position, third circulation passageway (33) with third wind channel (23) just right, third circulation passageway (33) with first wind channel (21) with second wind channel (22) all do not communicate, at this moment second circulation passageway (32) with second wind channel (22) are not relative, first circulation passageway (31) with first wind channel (21) are not relative.

7. The refrigeration system of claim 5, wherein:

the circulation channel (30) further comprises a fourth circulation channel (34), the length of the fourth circulation channel (34) in the axial direction of the cylindrical structure is greater than or equal to the sum of the lengths of the first air duct (21), the second air duct (22) and the third air duct (23) in the axial direction, and the fourth circulation channel (34), the first circulation channel (31), the second circulation channel (32) and the third circulation channel (33) are sequentially arranged in a staggered manner in the circumferential direction of the cylindrical structure;

when the air door (3) rotates around the axis of the air door to the fourth circulation channel (34) and the first air channel (21) are aligned, the fourth circulation channel (34) is simultaneously communicated with the first air channel (21), the second air channel (22) and the third air channel (23), and the first circulation channel (31), the second circulation channel (32) and the third circulation channel (33) are not communicated with the air channel (2).

8. The refrigeration system of claim 5, wherein:

the air doors (3) are two and comprise a left air door (3a) and a right air door (3b), the chamber (1) comprises an upper left chamber (11), a middle left chamber (12), a lower left chamber (13), an upper right chamber (14), a middle right chamber (15) and a lower right chamber (16), the air duct (2) further comprises a fourth air duct (24), a fifth air duct (25) and a sixth air duct (26), one end of the first air duct (21) is communicated with the lower left chamber (13), the other end of the first air duct can be communicated with the circulation channel (30) on the left air door (3a), one end of the second air duct (22) is communicated with the upper left chamber (12), the other end of the second air duct can be communicated with the circulation channel (30) on the left air door (3a), one end of the third air duct (23) is communicated with the upper left chamber (11), and the other end of the third air duct can be communicated with the circulation channel (30) on the left air door (3a), one end of the fourth air duct (24) with upper right compartment (14) intercommunication, the other end can with on the right air door (3b) circulation passageway (30) intercommunication, the one end of fifth air duct (25) with middle right compartment (15) intercommunication, the other end can with on the right air door (3b) circulation passageway (30) intercommunication, the one end of sixth air duct (26) with under the right side compartment (16) intercommunication, the other end can with on the right air door (3b) circulation passageway (30) intercommunication.

9. The refrigeration system of claim 8, wherein:

the device is characterized by further comprising a vertical partition (63), a first transverse partition (61) and a second transverse partition (62), wherein the vertical partition (63) separates and seals the left part and the right part of chambers, the first transverse partition (61) separates and seals the upper part and the middle part of chambers, and the second transverse partition (62) separates and seals the middle part and the lower part of chambers.

10. The refrigeration system according to any one of claims 1 to 9, wherein:

still include motor (4) and air door lid (5), motor (4) with air door (3) meet with can drive air door (3) rotate, air door lid (5) can with air door (3) meet with right air door (3) seal.

11. The refrigeration system according to any one of claims 1 to 9, wherein:

still include air door sleeve (7), first board (81) and second board (82), air door sleeve (7) cover is established the at least partial periphery of air door (3), first board (81) set up one side in wind channel (2), second board (82) set up the opposite side in wind channel (2).

12. A refrigerator, characterized in that: comprising a refrigeration system according to any of claims 1 to 11.

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