CN1690628A - Air throttle of pickled vegetable refrigerator and control method thereof - Google Patents

Air throttle of pickled vegetable refrigerator and control method thereof Download PDF

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Publication number
CN1690628A
CN1690628A CN 200410037551 CN200410037551A CN1690628A CN 1690628 A CN1690628 A CN 1690628A CN 200410037551 CN200410037551 CN 200410037551 CN 200410037551 A CN200410037551 A CN 200410037551A CN 1690628 A CN1690628 A CN 1690628A
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China
Prior art keywords
storeroom
cold air
temperature
mentioned
air throttle
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CN 200410037551
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Chinese (zh)
Inventor
金世荣
金京植
金亮圭
李允硕
全灿镐
林亨根
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Priority to CN 200410037551 priority Critical patent/CN1690628A/en
Publication of CN1690628A publication Critical patent/CN1690628A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a kraut refrigerator air throttle and control method. Air throttle is installed in cold air supply channel and accurately controls amount of cold wind fed to each stock room according to variation of refrigerator inner load. To supply more cold air to stock room with increasing load, the valve forms opening area of cold air supply hole in air throttle, so the invention increases refrigerating performance and effect while reduces difference in temperature of each stock room. Moreover, the invention integrates all air throttles that installed in each stock room into one, so it can shorten manufacturing process, save costs of conversion and is more practical.

Description

The air throttle of kraut refrigerator and control method thereof
Technical field
The present invention relates to a kind of kraut refrigerator, particularly relate to a kind of the variation and regulate the cold air supply flow effectively according to the load in the refrigerator (temperature), thereby when reducing the temperature difference of above-mentioned each storeroom, can improve the air throttle and the control method thereof of the kraut refrigerator of the refrigeration performance of refrigerator and refrigeration.
Background technology
In general, refrigerator is to include the low-temperature condition that kind of refrigeration cycle that compressor reducer, condenser, expansion valve, evaporimeter formed is kept compartment interior such as refrigerating chamber or refrigerating chamber with cold-producing medium by utilization, and, whether be divided into indirect cooling refrigerator and direct cooling refrigerator according to the circulation of cold air.
Above-mentioned indirect cooling refrigerator is mounted on evaporimeter outside the storeroom, and by force cold air is sent into storeroom by the install fan that is provided with and freeze, and the storeroom of refrigerator is wrapped in by evaporimeter and by conduction and free convection effect storeroom is freezed during refrigeration.
Seeing also shown in Figure 1ly, is the sectional side view of existing traditional kraut refrigerator.Above-mentioned indirect cooling refrigerator, it comprises: the storeroom A of stored food or container, B, the compressor reducer 2 of compressed refrigerant, through said compressor 2 refrigerant compressed condenser condensing 4 time to the air outside heat release, expansion is through the expansion valve 6 of above-mentioned condenser 4 condensed refrigerant, and the cold air around the cold-producing medium that above-mentioned expansion valve 6 expands absorbs the heat of inner air and the evaporimeter 8 that evaporates is formed kind of refrigeration cycle and the effect by blowing fan 10 make above-mentioned evaporimeter 8 is to above-mentioned storeroom A, B moves, be connected to above-mentioned storeroom A from above-mentioned evaporimeter 8, cold air service duct 12 and the branched bottom 14 of B are formed.
In addition, be connected on the branched bottom of each storeroom A, B when above-mentioned cold air service duct 12 is connected, install and be provided with the air throttle 16 that carries out open and close controlling by micro computer.
The duty that possesses traditional indirect cooling refrigerator (to call kraut refrigerator in the following text) of said structure is described as follows:
At first, after said compressor 2 is driven, the gas refrigerant of said compressor 2 output HTHPs, and the cold-producing medium that is spued carries out heat exchange with the outside and is condensed in by the process of above-mentioned condenser 4, and the cold-producing medium that condensation is afterwards got up is expanded to the state of low-temp low-pressure in the process by above-mentioned expansion valve 6.
In by the process of above-mentioned evaporimeter 8, absorb the heat of evaporimeter 8 peripheries and vaporization cycle to above-mentioned compressor through the liquid refrigerant of the low-temp low-pressure of above-mentioned expansion valve 6 heat insulation expansions, thereby form a complete kind of refrigeration cycle.
In addition, the cold air that generates by above-mentioned kind of refrigeration cycle is through the driving of said fan 10 and export above-mentioned storeroom A, B to and above-mentioned storeroom A, B are freezed by above-mentioned cold air service duct 12 and branched bottom 14.
On the other hand, the effect that is mounted on the air throttle 16 on the above-mentioned branched bottom 14 is, if the load (temperature) that makes in storeroom A, the B because of entering of new load thing is when changing, supply cold air to the storeroom A, the B that are in new load condition by the open and close controlling of micro computer in above-mentioned each storeroom A, B.The open and close controlling of above-mentioned air throttle 16, because of being in stationary state to the amount of the cold air of storeroom A, B supply, therefore can not realize changing the dynamic control of control to the different cold air supplies of different storeroom A, B according to the different load (temperature) of each storeroom A, B by above-mentioned air throttle 16.Particularly, in open above-mentioned air throttle 16, can not control the different degree of opening of each air throttle 16, promptly an air throttle 16 opens about 70%, and another air throttle 16 open about 30% etc.Thereby can not change each air throttle 16 is controlled accurately according to the trickle load (temperature) of each storeroom A, B.
In addition, because the open and close controlling by above-mentioned air throttle 16 forms the different duty ratio between each storeroom A, B, and the different duty ratio between such each storeroom A, B will cause existing between each storeroom A, B the temperature deviation of great disparity relatively.
This shows that the air throttle of above-mentioned existing kraut refrigerator and control method thereof still have many defectives, and demand urgently further being improved.For the air throttle that solves existing kraut refrigerator and the defective of control method thereof, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the air throttle of above-mentioned existing kraut refrigerator and control method thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of air throttle and control method thereof of new kraut refrigerator, can improve the air throttle and the control method thereof of general existing kraut refrigerator, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective of the air throttle existence of existing kraut refrigerator, and provide a kind of air throttle of kraut refrigerator of new structure, technical problem to be solved is to make it to the more cold air of storeroom supply that increases load (temperature), control simultaneously is formed at the open area of the cold air supply orifice of air throttle, can in the temperature difference that reduces above-mentioned each storeroom, improve the refrigeration performance and the refrigeration of refrigerator, thereby be suitable for practicality more.
Another object of the present invention is to, a kind of air throttle of kraut refrigerator is provided, technical problem to be solved is that the air throttle integration that makes its original each storeroom that setting is installed separately becomes an air throttle, and can shorten production process and save cost of manufacture, thereby is suitable for practicality more.
A further object of the present invention is, a kind of control method of kraut refrigerator is provided, technical problem to be solved is to make the variation of its can load according to refrigerator inside (temperature) and the flow of accurately regulating the cold air that is fed to each storeroom, at the cold air service duct and be connected to install between the branched bottom of each storeroom air throttle is set in, load in refrigerator (temperature) is when changing, utilize the cold air supply orifice open area of the open control algolithm control of air throttle air throttle, supply the more cold air of volume to the high storeroom of internal load (temperature), and can reduce temperature deviation between each storeroom, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.The air throttle of a kind of kraut refrigerator that proposes according to the present invention, this kraut refrigerator comprises more than one storeroom; This kraut refrigerator passes through to reduce the temperature of food through the cold air service duct to each storeroom supply cold air, or passes through heater maturation food, thereby keeps certain taste of the food in the storeroom; This kraut refrigerator is also accurately controlled the flow of the cold air that is fed to each storeroom according to the variation of refrigerator internal loading (temperature); The air throttle of the open area of the control of the driving by motor cold air supply orifice is mounted on the cold air service duct and is connected between the branched bottom of above-mentioned each storeroom.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The air throttle of aforesaid kraut refrigerator, wherein said air throttle comprises: the motor of controlling the anglec of rotation according to the phase difference of each pulse; Between above-mentioned cold air service duct and branched bottom, and in order to make cold air flow to a plurality of branched bottoms and form the fixed head that is provided with a plurality of cold air supply orifices from above-mentioned cold air service duct; And rotatably be mounted on the said fixing plate and by together rotating the open area of regulating above-mentioned cold air supply orifice with above-mentioned motor, form thereby can change the swivel plate that control be fed to the cold air flow of each storeroom according to the load (temperature) of refrigerator inside.
The air throttle of aforesaid kraut refrigerator, wherein said air throttle comprises: the motor of controlling the anglec of rotation by the phase difference of different pulses; And between above-mentioned cold air service duct and branched bottom and by above-mentioned motor-driven, rotate, thereby can form according to the air flap of the flow of the cold air of the variation control of the load (temperature) of the refrigerator inside branched bottom supply by being connected to each storeroom.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.The control method of the air throttle of a kind of kraut refrigerator that proposes according to the present invention, comprising more than one storeroom and passing through through the temperature of cold air service duct to each storeroom supply cold air reduction food, or by heater maturation food, thereby keep in the kraut refrigerator of the certain taste of food in the storeroom, when the load in the refrigerator (temperature) when changing, it supplies the more cold air of volume by the high storeroom of load (temperature) of the open control algolithm of air throttle in refrigerator, and reduces temperature deviation between each storeroom by the open area that control is mounted on above-mentioned cold air service duct and is connected to the air throttle cold air supply orifice between the branched bottom of each storeroom.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The control method of the air throttle of a kind of kraut refrigerator that proposes according to the present invention may further comprise the steps: the open control algolithm of air throttle is by the stage of detecting the temperature of the load thing that enters into each storeroom by the sensor in the refrigerator; Temperature according to the load thing of being measured is judged the stage that has or not variations in temperature in above-mentioned each storeroom; If above-mentioned each storeroom does not have variations in temperature, keep the open area of the current cold air supply orifice of air throttle by the state of keeping current motor, thereby guarantee to be fed to stage of current supply of the cold air of each storeroom; If judge the temperature of a storeroom in above-mentioned each storeroom variation has been arranged, control the position of the swivel plate of air throttle by the driving of control motor, thereby regulate the open area of a plurality of cold air supply orifices, have additional supply of stage of flow of the cold air of the storeroom that above-mentioned load (temperature) raises with this; If or the temperature of judging above-mentioned each storeroom is when all raising, stage to all storerooms are supplied the cold air of same amount is respectively come with this in the position of the swivel plate of the driving control air throttle by the control motor, thereby open all cold air supply orifices.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The determination methods of the variations in temperature in the control method of the air throttle of aforesaid kraut refrigerator, wherein said each storeroom may further comprise the steps: at first be the average cooling time that calculates each storeroom; And then it is elongated or shorten and judge variation of temperature in the storeroom by above-mentioned average cooling time.
The control method of the air throttle of aforesaid kraut refrigerator, the position control method of the swivel plate of wherein said air throttle may further comprise the steps: a form is made in the position corresponding to the air throttle swivel plate of each pulse of motor; And by micro computer according to the temperature electric rotating machine of the storeroom that has changed and the cold air supply orifice open area of regulating above-mentioned air throttle.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
See also Fig. 3, shown in Figure 4, Fig. 3 is according to the sectional side view of kraut refrigerator of the present invention and local enlarged diagram, and shown in Figure 4 is decomposing schematic representation according to air throttle of the present invention.
According to kraut refrigerator air throttle of the present invention, it is comprising more than one storeroom A, B also passes through through cold air service duct 12 to each storeroom A, B supply cold air reduces the temperature of food, or by heater maturation food, thereby keep storeroom A, in the kraut refrigerator of certain taste of the food in the B, be fed to each storeroom A in order can accurately to control according to the variation of refrigerator internal loading (temperature), the flow of the cold air of B is mounted on the air throttle 50 of controlling the open area of cold air supply orifice 52 by the driving of motor 51 cold air service duct 12 and is connected to above-mentioned each storeroom A, between the branched bottom 14 of B.
At this moment, above-mentioned air throttle 50, its be by: according to the motor 51 of the phase difference of each pulse control anglec of rotation, between above-mentioned cold air service duct 12 and branched bottom 14, and, rotatably be mounted on the said fixing plate 53 and by together rotating the open area of regulating above-mentioned cold air supply orifice 52 with above-mentioned motor 51 in order to make cold air flow to a plurality of branched bottoms 14 and form the fixed head 53 be provided with a plurality of cold air supply orifices 52 from above-mentioned cold air service duct 12, thereby can change control according to the load (temperature) of refrigerator inside and be fed to each storeroom A, the swivel plate 54 of the cold air flow of B is formed.
In addition, kraut refrigerator air throttle control method according to the present invention, it is comprising more than one storeroom A, B also passes through through cold air service duct 12 to each storeroom A, B supply cold air reduces the temperature of food, or by heater maturation food, thereby keep storeroom A, in the kraut refrigerator of certain taste of the food in the B, when the load in the refrigerator (temperature) when changing, in order to open load (temperature) the high storeroom A of control algolithm in refrigerator by air throttle, the cold air of the more amount of B supply is mounted on above-mentioned cold air service duct 12 and is connected to each storeroom A by control, the open area of the cold air supply orifice 52 of the air throttle 50 between the branched bottom 14 of B reduces each storeroom A, temperature deviation between the B.
At this moment, above-mentioned air throttle open control algolithm, it is by the stage of detecting the temperature of the load thing that enters into each storeroom A, B by the sensor in the refrigerator; Temperature according to the load thing of being measured is judged the stage 120 that has or not variations in temperature in above-mentioned each storeroom A, B; If above-mentioned each storeroom A, B do not have variations in temperature, keep the open area of the current cold air supply orifice 52 of air throttle 50 by the state of keeping current motor 51, thus stage 130 of current supply of guaranteeing to be fed to the cold air of each storeroom A, B; If judge the temperature of storeroom A, a B among above-mentioned each storeroom A, B variation has been arranged, control the position of the swivel plate 54 of air throttle 50 by the driving of control motor 51, thereby regulate the open area of a plurality of cold air supply orifices 52, have additional supply of stage 140 of flow of the cold air of storeroom A, B that above-mentioned load (temperature) raises with this; If or the temperature of judging above-mentioned each storeroom A, B is when all raising, control the position of the swivel plate 54 of air throttle 50 by the driving of control motor 51, thereby open all cold air supply orifices 52 come the stage 140a that supplies the cold air of same amount to all storeroom A, B respectively to form with this.
At this moment, be to the determination methods of the variations in temperature in above-mentioned each storeroom A, B: at first be the average cooling time that calculates each storeroom A, B, and then elongated or shorten and judge variation of temperature in storeroom A, the B by above-mentioned average cooling time.
In addition, the position control method of the swivel plate 54 of above-mentioned air throttle 50 is: the position corresponding to air throttle 50 swivel plates 54 of motor 51 each pulse made a form, and by micro computer (not shown) according to the temperature electric rotating machine 51 of the storeroom A, the B that have changed and cold air supply orifice 52 open area of regulating above-mentioned air throttle 50.
Via as can be known above-mentioned, the invention relates to a kind of air throttle and control method thereof of kraut refrigerator, its be on the cold air service duct of kraut refrigerator, install and constitute according to the variation of refrigerator inside load (temperature) and accurately control be fed to the air throttle of the cold air flow of each storeroom, for the more cold air of storeroom supply to increase load (temperature), form the open area of the cold air supply orifice that is arranged at air throttle by control, thereby can in the temperature difference that reduces above-mentioned each storeroom, improve the refrigeration performance and the refrigeration of refrigerator; And the present invention becomes an air throttle because original each storeroom is installed the air throttle integration of setting separately, thereby can shorten production process greatly and save cost of manufacture.
By technique scheme, the air throttle of kraut refrigerator of the present invention and control method thereof have following advantage at least:
1, the present invention on the cold air service duct, install and constitute can load according to refrigerator inside (temperature) variation accurately control be fed to the air throttle of the cold air flow of each storeroom, and in order to control the open area of the cold air supply orifice that is formed at air throttle to the more cold air of storeroom supply that increases load (temperature), thereby can in the temperature difference that reduces above-mentioned each storeroom, also can improve the refrigeration performance and the refrigeration of refrigerator.
2, in addition, become an air throttle because original each storeroom is installed the air throttle integration of setting separately, thereby can shorten production process greatly, and can save cost of manufacture.
In sum, the air throttle of the kraut refrigerator of special construction of the present invention and control method thereof, overcome the defective of the air throttle existence of existing kraut refrigerator, a kind of air throttle of kraut refrigerator of new structure is provided, make it simultaneously to the more cold air of the storeroom supply that increases load (temperature), can control the open area that forms the cold air supply orifice that is arranged at air throttle, in the temperature difference that reduces above-mentioned each storeroom, the refrigeration performance and the refrigeration of refrigerator have been improved greatly, and the air throttle that original each storeroom is installed setting separately integrated become an air throttle, and shortened production process and saved cost of manufacture.The present invention accurately regulates the flow of the cold air that is fed to each storeroom according to the variation of refrigerator inside load (temperature), at the cold air service duct and be connected to install between the branched bottom of each storeroom air throttle is set in, load in refrigerator (temperature) is when changing, utilize the cold air supply orifice open area of the open control algolithm control of air throttle air throttle, supply the more cold air of volume to the high storeroom of internal load (temperature), thereby reduced the temperature deviation between each storeroom.It has above-mentioned many advantages and practical value, and in like product and method, do not see have similar structural design and method to publish or use and really genus innovation, no matter it all has bigger improvement on product structure, method or function, have technically than much progress, and produced handy and practical effect, and the air throttle of more existing kraut refrigerator and control method thereof have the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Concrete structure of the present invention and method thereof are provided in detail by following examples and accompanying drawing.
Description of drawings
Fig. 1 is the sectional side view that has traditional kraut refrigerator now.
Fig. 2 is the cold air path structure schematic diagram that the existing traditional kraut refrigerator that is provided with air throttle is installed.
Fig. 3 is according to the sectional side view of kraut refrigerator of the present invention and partial enlarged drawing.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram according to air throttle of the present invention.
Fig. 5 a is in the duty that shows according to air throttle of the present invention, by the view of spending positions as 180 of fixed head center that is centered close to of stepper motor driven swivel plate.
Fig. 5 b is in the duty that shows according to air throttle of the present invention, by the view that is centered close to 120 degree positions, fixed head right side of stepper motor driven swivel plate.
Fig. 5 c is in the duty that shows according to air throttle of the present invention, by the view that is centered close to 90 degree positions, fixed head left side of stepper motor driven swivel plate.
Fig. 5 d is in the duty that shows according to air throttle of the present invention, along with stopping of stepper motor, swivel plate be centered close to view as the 0 degree position at fixed head center.
Fig. 6 is the structural representation according to another example of air throttle of the present invention.
Fig. 7 is the working state schematic representation of air throttle shown in Figure 6.
Fig. 8 is demonstration air throttle according to the present invention is accurately controlled the state of regulating the gas supply flow according to the variation of refrigerator inside load (temperature) by the open area of control cold air supply orifice a flow chart.
A, B: storeroom 2: compressor reducer
4: condenser 6: expansion valve
8: evaporimeter 10: blowing fan
12: cold air service duct 14: branched bottom
16,50,50a: air throttle 51: motor
52.: cold air supply orifice 53: fixed head
54: swivel plate 55: air flap
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the air throttle of the kraut refrigerator that foundation the present invention is proposed and concrete structure, method step, feature and the effect thereof of control method thereof, describe in detail as after.
Below, kraut refrigerator according to the present invention is described in detail with air throttle and control method thereof, and adopts identical symbol for part identical in the present invention and the said structure.
See also shown in Figure 3, according to kraut refrigerator air throttle of the present invention, it is to comprise more than one storeroom A, B also passes through through cold air service duct 12 to each storeroom A, B supply cold air reduces the temperature of food, or by heater maturation food, thereby keep storeroom A, in the kraut refrigerator of certain taste of the food in the B, be fed to each storeroom A in order can accurately to control according to the variation of refrigerator internal loading (temperature), the flow of the cold air of B is mounted on the air throttle 50 of controlling the open area of cold air supply orifice 52 by the driving of motor 51 above-mentioned cold air service duct 12 and is connected to above-mentioned each storeroom A, between the branched bottom 14 of B.
At this moment, see also shown in Figure 4, above-mentioned air throttle 50, it comprises: the motor 51 of controlling the anglec of rotation according to the phase difference of each pulse, between above-mentioned cold air service duct 12 and branched bottom 14, and, rotatably be mounted on the said fixing plate 53 and by together rotating the open area of regulating above-mentioned cold air supply orifice 52 with above-mentioned motor 51 in order to make cold air flow to a plurality of branched bottoms 14 and form the fixed head 53 be provided with a plurality of cold air supply orifices 52 from above-mentioned cold air service duct 12, thereby can change control according to the load (temperature) of refrigerator inside and be fed to each storeroom A, the swivel plate 54 of the cold air flow of B is formed.
In the component parts of above-mentioned air throttle 50, motor 51 is to possess the stepper motor (SetppingMotor) of determining function by the self position of the pulse of being imported (Pulse) signal rotation certain angle.
See also shown in Figure 4, the global shape of above-mentioned fixed head 53 is and possesses certain thickness disc-shape, and in order to make cold air flow to branched bottom 14 from above-mentioned cold air service duct 12, on said fixing plate 53, connect to form and be provided with a plurality of cold air supply orifices 52, and, above-mentioned cold air supply orifice 52 and above-mentioned branched bottom 14 corresponding formation settings, and be fan shape.
See also shown in Figure 4, the global shape of above-mentioned swivel plate 54 is and is similar to the fan shape that breakthrough form is formed in the cold air supply orifice shape on the said fixing plate 53, and in order to combine with above-mentioned motor 51 and with respect to 53 rotations of said fixing plate and be mounted on the said fixing plate 53.Load in refrigerator (temperature) is when changing, above-mentioned swivel plate 54 is regulated the open area that breakthrough form is formed in the cold air supply orifice 52 on the said fixing plate 53 by together rotating with above-mentioned motor 51, thereby can be according to the load (temperature) in individual storeroom A, the B, that is the more cold air of measuring of storeroom A, B supply that raises to internal load (temperature).
Now with above-mentioned for according to the variation of the load (temperature) of refrigerator inside stage by stage (accurately) flow of reconciling the cold air that is fed to each storeroom A, B operating state of being mounted on the air throttle on the cold air service duct 12 of kraut refrigerator be described as follows:
See also shown in Fig. 5 a, for showing in the duty according to air throttle of the present invention, by the state diagrams of being centered close to of stepper motor driven swivel plate as the 180 degree positions at fixed head center; Fig. 5 b is for showing in the duty according to air throttle of the present invention, by the state diagram that is centered close to 120 degree positions, fixed head right side of stepper motor driven swivel plate; Fig. 5 c is for showing in the duty according to air throttle of the present invention, by the state diagram that is centered close to 90 degree positions, fixed head left side of stepper motor driven swivel plate; Fig. 5 d is for showing in the duty according to air throttle of the present invention, along with stopping of stepper motor, swivel plate be centered close to state diagram as the 0 degree position at fixed head center.
Load in refrigerator (temperature) in order accurately to regulate the flow of the cold air that is fed to each storeroom A, B, will be controlled the open area of the cold air supply orifice 52 of air throttle 50 by the driving of motor 51 when changing.And at first, the method of supplying a spot of cold air when deviation is little as the load (temperature) between each storeroom A, B, according to the pulse of being imported (Pulse) signal make motor 51 to the left or the right side carry out 180 degree rotation words, shown in Fig. 5 a, as left side or the right side rotation of the swivel plate 54 of the part of air throttle 50, thereby make being centered close on 180 degree as said fixing plate 53 center lines of above-mentioned swivel plate 54 to fixed head 53.
As mentioned above, if as being centered close on 180 degree as the center line of said fixing plate 53 of the swivel plate 54 of the part of air throttle 50, formation is arranged at the cold air supply orifice 52 of said fixing plate 53, promptly, be the fan shape breakthrough form corresponding to the branched bottom 14 that is connected to each storeroom A, B and be formed in a plurality of cold air supply orifices 52 on the said fixing plate 52, shown in Fig. 5 a, blocked by above-mentioned swivel plate 54, thereby its open area is compared with not reduced 50% by the whole open area of the cold air supply orifice 52 of above-mentioned swivel plate 54 blocking-up.Therefore, by the cold air supply orifice 52 that above-mentioned open area has reduced, more a spot of cold air spues by branched bottom 14 among each storeroom A, B.
In addition, if each storeroom A, the temperature deviation of B is bigger, promptly, because each storeroom A, a storeroom A among the B, the load of B (temperature) changes and each storeroom A of causing, the temperature difference between the B becomes under the big situation, as cold air being fed to each storeroom A, the method of B, shown in Fig. 5 b or 5c, by words corresponding to the anglec of rotation electric rotating machine 51 of the pulse of being imported (Pulse), as the swivel plate 54 of the part of air throttle 50 also along with motor 51 together rotates, thereby make on the 120 degree positions that are centered close to fixed head 53 right sides of above-mentioned swivel plate 54 or make on the 90 degree positions that are centered close to fixed head 53 left sides of above-mentioned swivel plate 54.
At this moment, as mentioned above, if on the 120 degree positions that are centered close to fixed head 53 right sides shown in Fig. 5 b of swivel plate 54 or on the 90 degree positions in 53 left sides of the fixed head shown in Fig. 5 c, by not supplied the cold air that sky 52 will circulate more amount (about 75-90%) by the cold air of a wide-open side by above-mentioned swivel plate 54 blocking-up.In contrast, by above-mentioned swivel plate 54 blocking-up and by the cold air supply orifice 52 of the open opposite side of part, the cold air of will circulate a small amount of (month 25-10%).By said process, storeroom A, B that above-mentioned load (temperature) raises will obtain more cold air, thereby can reduce the temperature difference between each storeroom A, B.
In addition, if the temperature of all storeroom A, B all raises, shown in Fig. 5 d, if by anglec of rotation electric rotating machine 51 corresponding to the pulse of being imported (Pulse), as the swivel plate 54 of the part of air throttle 50 also along with motor 51 together rotates, thereby make being centered close on the 0 degree position as the center of fixed head 53 of above-mentioned swivel plate 54.
At this moment, as mentioned above, if being centered close on the 0 degree position shown in Fig. 5 d of swivel plate 54 as the center of fixed head 53, breakthrough form is formed in a plurality of cold air supply orifices 52 of said fixing plate 53 and will be opened fully, and by the above-mentioned temperature that is had the cold air of same amount to distribute the cold air of (respectively having 50%) to spue in each storeroom A, B by open a plurality of cold air supply orifices 52 and reduce each storeroom A, B.
Seeing also shown in Figure 6 is structural representation according to another example of air throttle of the present invention, and Fig. 7 is the working state figure of air throttle shown in Figure 6.
As shown in Figure 6, according to another kind of air throttle 50a of the present invention, it comprises: the motor 51 of controlling the anglec of rotation by the phase difference of different pulses; Between above-mentioned cold air service duct 12 and branched bottom 14 and by above-mentioned motor 51, drive rotation, thereby can form according to the air flap 55 of the flow of the cold air of the variation control of the load (temperature) of refrigerator inside branched bottom 14 supplies by being connected to each storeroom A, B.
As shown in Figure 6, above-mentioned motor 51 is to possess the stepper motor (Setpping Motor) of determining function by the self position of the pulse of being imported (Pulse) signal rotation certain angle.
Above-mentioned air flap 55, its global shape is the plate-like shape that possesses certain width, and when being driven rotation by above-mentioned motor 51, the flow of the cold air that gets up by branched bottom 14 supplies that are connected to each storeroom A, B according to the variation control of refrigerator internal loading (temperature) is incorporated on the upper and lower side driving shaft (not shown) of above-mentioned motor 51.
The air throttle 50a that possesses said structure, also and the duty shown in Fig. 5 a to 5d according to air throttle 50 of the present invention, can change the position of damper sheet 50a according to the load (temperature) of individual storeroom A, B, thereby adjust the flow (please refer to Fig. 7) of the cold air that the storeroom A, the B that have raise to load (temperature) supplied.
Seeing also shown in Figure 8ly, is to show that air throttle according to the present invention accurately controls the flow chart of the state of adjusting gas supply flow according to the variation of refrigerator inside load (temperature) by the open area of control cold air supply orifice.
In addition, kraut refrigerator air throttle control method according to the present invention, it is to comprise more than one storeroom A, B also passes through through cold air service duct 12 to each storeroom A, B supply cold air reduces the temperature of food, or by heater maturation food, thereby keep storeroom A, in the kraut refrigerator of certain taste of the food in the B, load in refrigerator (temperature) is when changing, in order to open load (temperature) the high storeroom A of control algolithm in refrigerator by air throttle, the cold air of the more amount of B supply is mounted on above-mentioned cold air service duct 12 and is connected to each storeroom A by control, the open area of the air throttle 50 cold air supply orifices 52 between the branched bottom 14 of B reduces each storeroom A, temperature deviation between the B.
Now specify the open control algolithm of above-mentioned air throttle as follows:
As shown in Figure 8, the open control algolithm of above-mentioned air throttle, it may further comprise the steps: the stage of detecting the temperature of the load thing that enters into each storeroom A, B by the sensor in the refrigerator; Temperature according to the load thing of being measured is judged the stage 120 that has or not variations in temperature in above-mentioned each storeroom A, B; If above-mentioned each storeroom A, B do not have variations in temperature, keep the open area of the current cold air supply orifice 52 of air throttle 50 by the state of keeping current motor 51, thus the stage 130 of current supply that can guarantee to be fed to the cold air of each storeroom A, B; If judge the temperature of storeroom A, a B among above-mentioned each storeroom A, B variation has been arranged, control the position of the swivel plate 54 of air throttle 50 by the driving of control motor 51, thereby regulate the open area of a plurality of cold air supply orifices 52, have additional supply of stage 140 of flow of the cold air of storeroom A, B that above-mentioned load (temperature) raises with this; If or the temperature of judging above-mentioned each storeroom A, B is when all raising, control the position of the swivel plate 54 of air throttle 50 by the driving of control motor 51, thereby open all cold air supply orifices 52 come the stage 140a that supplies the cold air of same amount to all storeroom A, B respectively to form with this.
At this moment, be to the determination methods of the variations in temperature in above-mentioned each storeroom A, B: at first be the average cooling time that calculates each storeroom A, B, and then elongated or shorten and judge variation of temperature in storeroom A, the B by above-mentioned average cooling time.
In addition, the position control method of the swivel plate 54 of above-mentioned air throttle 50 is: the position corresponding to air throttle 50 swivel plates 54 of motor 51 each pulse made a form, and by micro computer (not shown) according to the temperature electric rotating machine 51 of the storeroom A, the B that have changed and cold air supply orifice 52 open area of regulating above-mentioned air throttle 50.
By above stage (110-140a), be formed at the storeroom A that the open area of the cold air supply orifice 52 of air throttle 50 raises to load (temperature), the cold air that B supplies more multithread amount by control when changing for the temperature in refrigerator, thereby reduce the temperature deviation between storeroom A, the B, meanwhile, can improve the refrigeration performance and the refrigeration of refrigerator.
See also flow chart shown in Figure 8, now control the open area of the cold air supply orifice 52 of air throttle 50, thereby the process of accurately regulating the supply flow of cold air be described in detail as follows according to the variation of the load in the refrigerator (temperature):
At first, detect by the sensor in the refrigerator after the temperature 110 of the load thing that enters into each storeroom A, B, have or not variations in temperature 120 in temperature judgement above-mentioned each storeroom A, B according to the load thing of being measured, and this moment, if above-mentioned each storeroom A, B do not have variations in temperature, then keep the open area of the current cold air supply orifice 52 of air throttle 50, thereby guarantee to be fed to the current supply 130 of the cold air of each storeroom A, B by the state of keeping current motor 51.
But, if judge the temperature of storeroom A, a B among above-mentioned each storeroom A, B variation has been arranged, control the position of the swivel plate 54 of air throttle 50 by the driving of control motor 51, thereby regulate the open area of a plurality of cold air supply orifices 52, have additional supply of the flow 140 (seeing also shown in Fig. 5 b and Fig. 5 c) of the cold air of storeroom A, B that above-mentioned load (temperature) raises with this.
In addition, if judge when the temperature of above-mentioned each storeroom A, B all raises, control the position of the swivel plate 54 of air throttle 50 by the driving of control motor 51, thereby open all cold air supply orifices 52 supply respectively to all storeroom A, B the cold air 140a (seeing also shown in Fig. 5 d) of same amount with this.The present invention can improve the refrigeration performance and the refrigeration of refrigerator in the temperature deviation that reduces between each storeroom A, B thereby as mentioned above.
The kraut refrigerator air throttle and the control method thereof that possess said structure, be not only applicable to kraut refrigerator, also Bottom-Type refrigerator of cutting apart up and down of Top Mount-Type refrigerator, refrigerating chamber and the refrigerating chamber of cutting apart up and down applicable to Side By Side-Type refrigerator, refrigerating chamber and the refrigerating chamber cut apart about refrigerating chamber and refrigerating chamber etc. as one embodiment of the present of invention.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (7)

1, a kind of air throttle of kraut refrigerator is characterized in that:
This kraut refrigerator comprises more than one storeroom;
This kraut refrigerator passes through to reduce the temperature of food through the cold air service duct to each storeroom supply cold air, or passes through heater maturation food, thereby keeps certain taste of the food in the storeroom;
This kraut refrigerator is accurately controlled the flow of the cold air that is fed to each storeroom according to the variation of refrigerator internal loading (temperature);
This kraut refrigerator is mounted on the cold air service duct to the air throttle of controlling the open area of cold air supply orifice by the driving of motor and is connected between the branched bottom of above-mentioned each storeroom.
2, the air throttle of kraut refrigerator according to claim 1 is characterized in that wherein said air throttle comprises:
Control the motor of the anglec of rotation according to the phase difference of each pulse;
Between above-mentioned cold air service duct and branched bottom, and in order to make cold air flow to a plurality of branched bottoms and form the fixed head that is provided with a plurality of cold air supply orifices from above-mentioned cold air service duct; And
Rotatably be mounted on the said fixing plate, and, form thereby can change the swivel plate of controlling the cold air flow that is fed to each storeroom according to the load (temperature) of refrigerator inside by together rotating the open area of regulating above-mentioned cold air supply orifice with above-mentioned motor.
3, the air throttle of kraut refrigerator according to claim 1 is characterized in that wherein said air throttle comprises:
Control the motor of the anglec of rotation by the phase difference of different pulses; And
Between above-mentioned cold air service duct and branched bottom and by above-mentioned motor-driven, rotate, thereby can form according to the air flap of the flow of the cold air of the variation control of the load (temperature) of the refrigerator inside branched bottom supply by being connected to each storeroom.
4, a kind of control method of air throttle of kraut refrigerator, it is suitable in the temperature that comprises more than one storeroom and pass through to reduce to each storeroom supply cold air through the cold air service duct food, or by heater maturation food, thereby keep in the kraut refrigerator of the certain taste of food in the storeroom, it is characterized in that:
When the load in the refrigerator (temperature) when changing, it supplies the more cold air of volume by the high storeroom of load (temperature) of the open control algolithm of air throttle in refrigerator, and reduces temperature deviation between each storeroom by the open area that control is mounted on above-mentioned cold air service duct and is connected to the air throttle cold air supply orifice between the branched bottom of each storeroom.
5, the control method of the air throttle of kraut refrigerator according to claim 4 is characterized in that this method may further comprise the steps:
The open control algolithm of air throttle is by the stage of detecting the temperature of the load thing that enters into each storeroom by the sensor in the refrigerator;
Temperature according to the load thing of being measured is judged the stage that has or not variations in temperature in above-mentioned each storeroom;
If above-mentioned each storeroom does not have variations in temperature, keep the open area of the current cold air supply orifice of air throttle by the state of keeping current motor, thereby guarantee to be fed to stage of current supply of the cold air of each storeroom;
If judge the temperature of a storeroom in each above-mentioned storeroom variation has been arranged, control the position of the swivel plate of air throttle by the driving of control motor, thereby regulate the open area of a plurality of cold air supply orifices, have additional supply of stage of flow of the cold air of the storeroom that above-mentioned load (temperature) raises with this;
If or the temperature of judging above-mentioned each storeroom is when all raising, stage to all storerooms are supplied the cold air of same amount is respectively come with this in the position of the swivel plate of the driving control air throttle by the control motor, thereby open all cold air supply orifices.
6, the control method of the air throttle of kraut refrigerator according to claim 5 is characterized in that the determination methods of the variations in temperature in wherein said each storeroom may further comprise the steps:
At first calculate the average cooling time of each storeroom;
And then it is elongated or shorten and judge variation of temperature in the storeroom by above-mentioned average cooling time.
7, the control method of the air throttle of kraut refrigerator according to claim 5 is characterized in that the position control method of the swivel plate of wherein said air throttle may further comprise the steps:
A form is made in position corresponding to the air throttle swivel plate of each pulse of motor; And
By micro computer according to the temperature electric rotating machine of the storeroom that has changed and the cold air supply orifice open area of regulating above-mentioned air throttle.
CN 200410037551 2004-04-28 2004-04-28 Air throttle of pickled vegetable refrigerator and control method thereof Pending CN1690628A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410037551 CN1690628A (en) 2004-04-28 2004-04-28 Air throttle of pickled vegetable refrigerator and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410037551 CN1690628A (en) 2004-04-28 2004-04-28 Air throttle of pickled vegetable refrigerator and control method thereof

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CN1690628A true CN1690628A (en) 2005-11-02

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CN 200410037551 Pending CN1690628A (en) 2004-04-28 2004-04-28 Air throttle of pickled vegetable refrigerator and control method thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101803792A (en) * 2010-03-22 2010-08-18 华中农业大学 Temperature-controlled circulating curing system and application
CN101231073B (en) * 2007-01-25 2011-03-30 泰州乐金电子冷机有限公司 Cold air supply structure for refrigerator
CN108731370A (en) * 2018-05-24 2018-11-02 长虹美菱股份有限公司 A kind of household electric refrigerator motor-driven valve self-correction control method
CN113915885A (en) * 2021-04-13 2022-01-11 海信(山东)冰箱有限公司 A kind of refrigerator
CN113915883A (en) * 2021-04-13 2022-01-11 海信(山东)冰箱有限公司 Refrigerator and control method thereof
CN113915882A (en) * 2021-04-13 2022-01-11 海信(山东)冰箱有限公司 A kind of refrigerator
CN114288967A (en) * 2021-12-10 2022-04-08 华中科技大学 Self-heating biomass gas catalytic reforming reactor, reforming system and method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101231073B (en) * 2007-01-25 2011-03-30 泰州乐金电子冷机有限公司 Cold air supply structure for refrigerator
CN101803792A (en) * 2010-03-22 2010-08-18 华中农业大学 Temperature-controlled circulating curing system and application
CN101803792B (en) * 2010-03-22 2011-11-30 华中农业大学 Temperature-controlled circulating curing system and application
CN108731370A (en) * 2018-05-24 2018-11-02 长虹美菱股份有限公司 A kind of household electric refrigerator motor-driven valve self-correction control method
CN113915885A (en) * 2021-04-13 2022-01-11 海信(山东)冰箱有限公司 A kind of refrigerator
CN113915883A (en) * 2021-04-13 2022-01-11 海信(山东)冰箱有限公司 Refrigerator and control method thereof
CN113915882A (en) * 2021-04-13 2022-01-11 海信(山东)冰箱有限公司 A kind of refrigerator
CN114288967A (en) * 2021-12-10 2022-04-08 华中科技大学 Self-heating biomass gas catalytic reforming reactor, reforming system and method
CN114288967B (en) * 2021-12-10 2022-10-04 华中科技大学 Self-heating biomass gas catalytic reforming reactor, reforming system and method

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