CN1690629A - Operational control method for blowing fan of refrigerator - Google Patents

Operational control method for blowing fan of refrigerator Download PDF

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Publication number
CN1690629A
CN1690629A CN 200410037552 CN200410037552A CN1690629A CN 1690629 A CN1690629 A CN 1690629A CN 200410037552 CN200410037552 CN 200410037552 CN 200410037552 A CN200410037552 A CN 200410037552A CN 1690629 A CN1690629 A CN 1690629A
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China
Prior art keywords
blowing fan
mentioned
revolutions
air throttle
refrigerator
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CN 200410037552
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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 200410037552 priority Critical patent/CN1690629A/en
Publication of CN1690629A publication Critical patent/CN1690629A/en
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  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention relates a refrigerator fans operation control method, in which air throttle making cold air flow to cold room from chilling chamber closes or opens to control fans rotating rate. When air throttle opens fans operates in low rotating rate while air throttle closes fans operates in high rotating rate. So it increases refrigerator energy efficiency. Moreover, it adjusts fans rotating rate according to evaporator surface temperature and air throttle open-closed state detected by defrosting sensor. In time when air throttle opens due to compressor early stage opening, according to evaporator surface temperature it adjusts fans rotating rate in ranges of low rotating rate; In time when cold room temperature achieves specified temperature while air throttle closes, according to evaporator surface temperature it adjusts fans rotating rate in ranges of high rotating rate.

Description

The blowing fan progress control method of refrigerator
Technical field
The present invention relates to a kind of blowing fan progress control method, particularly relate to and a kind ofly whether adjust the number of revolutions of blowing fan or utilize the switching of defrosting detected evaporator surface temperature of inductor and air throttle whether to adjust the number of revolutions of blowing fan, thereby can improve the blowing fan progress control method of refrigerator of the energy efficiency of refrigerator by the switching that can make cold air flow to the air throttle of refrigerating chamber from refrigerating chamber.
Background technology
Seeing also shown in Figure 1ly, is the structural representation of refrigerating chamber door and the existing general refrigerator of opening refrigerating-chamber door.Existing common refrigerator, its be by: separated refrigerating chamber F and refrigerating chamber R and the main body 2 that is provided with refrigerating circulatory device be installed by baffle plate 1, rotate the refrigerating chamber door (not shown) that is connected possibly on the main body 2 in order to open and close above-mentioned refrigerating chamber F and rotate the refrigerating-chamber door (not shown) that is connected possibly on the main body 2 in order to open and close above-mentioned refrigerating chamber R and form for the low-temperature condition of keeping refrigerating chamber F and refrigerating chamber R.
Above-mentioned refrigerating circulatory device, it comprises: the compressor reducer (not shown) of the gas refrigerant of compression low-temp low-pressure, make high-pressure refrigerant through said compressor compression carries out heat release and condenser condensing (not shown), the cold-producing medium through above-mentioned condenser condenses is reduced pressure in extraneous air expansion gear (not shown), the evaporimeter 30 that evaporates through the heat of the cold-producing medium absorption refrigerating chamber F of the heat insulation expansion of above-mentioned expansion gear and refrigerating chamber R is formed.
The course of work that now possesses the refrigerator of said structure is described as follows: the compressed device of the gas refrigerant of low-temp low-pressure is compressed into the gas of HTHP; The gas refrigerant of compressed HTHP is condensed into the liquid refrigerant of high pressure in the process of condenser of flowing through; Become cold-producing medium heat insulation state that is expanded to low-temp low-pressure in of highly pressurised liquid state by expansion valve; Afterwards, above-mentioned cold-producing medium is evaporated in evaporimeter 30 in the gaseous state of low-temp low-pressure from absorbing heat on every side and cooling off ambient air.The effect of the blowing fan 12 of the air by evaporimeter 30 cooling by being positioned at evaporimeter 30 1 sides flows into and is circulated to freezing, refrigerating chamber, and forms the kind of refrigeration cycle of the temperature that can reduce refrigerating chamber F and refrigerating chamber R.
The cold air that generates by above-mentioned kind of refrigeration cycle by the driving of blowing fan 12 when the place ahead of refrigerating chamber F extrudes, extrude by the cold duct 20 on the refrigerating chamber R that is communicated in above-mentioned refrigerating chamber F upper end plenum chamber 10, be provided with the air throttle (not shown) and between the cold duct 20 of plenum chamber 10 on the above-mentioned refrigerating chamber F and above-mentioned refrigerating chamber R upper end, install, thereby can flow to the flow of the cold air of cold duct 20 from plenum chamber 10 by the switching function adjustment of above-mentioned air throttle.Possessing on the refrigerator of said structure, general employing is the freezer temperature standard control mode of standard control compressor reducer with the temperature of refrigerating chamber F.
Seeing also shown in Figure 2ly, is refrigerating chamber of the prior art according to the working state schematic representation of the compressor reducer of temperature setting range and air throttle, blowing fan.
Above-mentioned freezer temperature standard control mode is to adjust the temperature of refrigerator inside as standard with refrigerating chamber F temperature, promptly, if the temperature of temperature sensor 14 detected refrigerating chamber F is higher than the upper limit of predefined refrigerating chamber F temperature, with drive compression device circulating refrigerant, and the inside of cooling refrigerator.As mentioned above, with the temperature of refrigerating chamber F is after the standard drive compression machine, the air throttle of open refrigerating chamber R, thereby cool off above-mentioned refrigerating chamber F and refrigerating chamber R simultaneously, and after the temperature of above-mentioned refrigerating chamber R is reduced to the lower limit of predefined refrigerating chamber R temperature, seal and above-mentionedly only refrigerating chamber F is freezed by open air throttle, afterwards, if the temperature of above-mentioned refrigerating chamber F is reduced to the lower limit of predefined refrigerating chamber F temperature, to stop to be in the compressor reducer in the duty, and stop the operation of kind of refrigeration cycle.
In above-mentioned freezer temperature standard control mode, in open above-mentioned air throttle, air (cold air) and the air of refrigerating chamber F of refrigerating chamber R that is higher than air (cold air) temperature of refrigerating chamber F mixes and inflow evaporator 30 mutually, and because the above-mentioned air that flows into above-mentioned evaporimeter 30, be that above-mentioned refrigerating chamber R air is relative higher with the temperature of refrigerating chamber F Air mixing air, therefore, the refrigeration power that mixing air can produce greater than compressor reducer to the heat that cold-producing medium transmits, thus the cold-producing medium of above-mentioned evaporimeter 30 outlets one side will be in superheat state.
If the cold-producing medium that is in superheat state of above-mentioned evaporimeter 30 outlets one side flows into compressor reducer, because of the efficient of the compressor reducer that compresses overheated cold-producing medium will reduce, thereby cause the efficient reduction of whole kind of refrigeration cycle, and the consumption that increases electric power; And on the other hand, because need be to the necessary above air of evaporimeter 30 supply, so blowing fan 12 will be in the state of rotation at a high speed, thereby because of extra power consumption, will reduce the energy efficiency of refrigerator greatly.
This shows that the blowing fan progress control method of above-mentioned existing refrigerator still has many defectives, and demands urgently further being improved.For the defective of the blowing fan progress control method that solves existing refrigerator, 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 blowing fan progress control method of above-mentioned existing refrigerator exists, 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 blowing fan progress control method of new refrigerator, can improve the blowing fan progress control method of general existing refrigerator, make it have more practicality.Through constantly research, design, and after studying repeatedly and improving, 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 blowing fan progress control method existence of existing refrigerator, and provide a kind of blowing fan progress control method of new refrigerator, technical problem to be solved is to make it adjust the number of revolutions of blowing fan by the switching whether control that can make cold air flow to the air throttle of refrigerating chamber from refrigerating chamber, promptly when air throttle is in open state, blowing fan is moved under the state of low number of revolutions; And when air throttle is in closed state, blowing fan is moved under the state of height running number of times, and can improve the energy efficiency of refrigerator widely, thus be suitable for practicality more.
Another object of the present invention is to, a kind of blowing fan progress control method of refrigerator is provided, technical problem to be solved is to make its switching according to defrosting detected evaporator surface temperature of sensor and air throttle whether adjust the number of revolutions of blowing fan, promptly when opening air throttle because of the initial stage of compressor, within the scope of low number of revolutions, adjust the number of revolutions of blowing fan according to evaporator surface temperature; And when the temperature because of refrigerating chamber reaches assigned temperature and seals air throttle, within higher number of revolutions scope, adjust the number of revolutions of blowing fan according to evaporator surface temperature, and can improve the energy efficiency of refrigerator widely, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.The blowing fan progress control method of a kind of refrigerator that proposes according to the present invention, its be compressed device and condenser, expansion valve, evaporimeter and the driving of the cold air that kind of refrigeration cycle produced that circulates by blowing fan be forced into refrigerator inside and reduce in the refrigerator of its internal temperature, when according to the driving of compressor reducer and the running refrigerating circulation time, by utilizing the switching that can make cold air be pressed out to the air throttle of above-mentioned refrigerating chamber from above-mentioned refrigerating chamber whether to adjust the blowing fan control algolithm of the number of revolutions of blowing fan, improve the energy efficiency of refrigerator.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The blowing fan progress control method of aforesaid refrigerator, it may further comprise the steps: whether set the number of revolutions of blowing fan according to the switching of air throttle, the stage that causes blowing fan to move under the state of low number of revolutions or high number of revolutions; Detect the switching whether stage of above-mentioned air throttle by sensor; Judge that according to the information that the sensor detects air throttle is by the stage open or that be closed; If judge above-mentioned air throttle by opening, make air-supply go up the stage of under the state of low number of revolutions, moving for the flow that reduces the mixing air that flows into evaporimeter according to above-mentioned signal; And if judge that according to above-mentioned signal above-mentioned air throttle is closed, making air-supply go up the stage of under the state of high number of revolutions, moving for the flow that increases the mixing air that flows into evaporimeter.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.The blowing fan progress control method of a kind of refrigerator that proposes according to the present invention, it is compressed device and condenser, expansion valve, the driving by blowing fan of evaporimeter and the cold air that kind of refrigeration cycle produced that circulates is forced into refrigerator inside and reduces in the refrigerator of its internal temperature, on the assigned position of above-mentioned evaporimeter, install and be provided with the defrosting sensor, and by according to utilize the detected evaporator surface temperature of above-mentioned defrosting sensor and can make cold air be pressed out to from above-mentioned refrigerating chamber above-mentioned refrigerating chamber air throttle switching whether, adjust the blowing fan control algolithm of the number of revolutions of blowing fan, to improve the energy efficiency of refrigerator.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The blowing fan progress control method of aforesaid refrigerator, it may further comprise the steps: whether set the number of revolutions of blowing fan, the stage that causes blowing fan to move with evaporator surface temperature according to the switching of air throttle under the state of low number of revolutions or high number of revolutions; Utilization is mounted on the stage of the defrosting sensor detection evaporator surface temperature on the evaporimeter; Judge the switching whether stage of above-mentioned air throttle by sensor; Judge that according to the information that the sensor detects air throttle is by the stage open or that be closed; If judge above-mentioned air throttle by opening, within the scope of low number of revolutions, with the stage of the speed that the presets operation blowing fan of the evaporator surface temperature that detected corresponding to above-mentioned defrosting sensor according to above-mentioned signal; And if judge that according to above-mentioned signal above-mentioned air throttle is closed, within the scope of high number of revolutions, with the stage of the speed that the presets operation blowing fan of the evaporator surface temperature that detected corresponding to above-mentioned defrosting sensor.
If the present invention compared with prior art has tangible advantage and beneficial effect is arranged.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, the present invention adjusts the number of revolutions of blowing fan by the switching whether control that can make cold air flow to the air throttle of refrigerating chamber from refrigerating chamber, promptly when air throttle is in open state, blowing fan is moved under the state of low number of revolutions; And when air throttle is in closed state, be that blowing fan moves, thereby improve the energy efficiency of refrigerator widely under the state of height running number of times.
In addition, whether adjust the number of revolutions of blowing fan according to the switching of defrosting detected evaporator surface temperature of sensor and air throttle, promptly, when opening air throttle because of the initial stage of compressor, within the scope of low number of revolutions, adjust the number of revolutions of blowing fan according to evaporator surface temperature; And when the temperature because of refrigerating chamber reaches assigned temperature and seals air throttle, within higher number of revolutions scope, adjust the number of revolutions of blowing fan, thereby can improve the energy efficiency of refrigerator widely according to evaporator surface temperature.
Via as can be known above-mentioned, the invention relates to a kind of blowing fan progress control method of refrigerator, it adjusts the number of revolutions of blowing fan by the switching whether control that can make cold air flow to the air throttle of refrigerating chamber from refrigerating chamber, promptly when air throttle is in open state, blowing fan is moved under the state of low number of revolutions; And when air throttle is in closed state, blowing fan is moved, thereby improved the energy efficiency of refrigerator under the state of height running number of times.In addition, whether adjust the number of revolutions of blowing fan according to the switching of defrosting detected evaporator surface temperature of sensor and air throttle, promptly when opening air throttle because of the initial stage of compressor, within the scope of low number of revolutions, adjust the number of revolutions of blowing fan according to evaporator surface temperature; And when the temperature because of refrigerating chamber reaches assigned temperature and seals air throttle, within higher number of revolutions scope, adjust the number of revolutions of blowing fan, thereby can improve the energy efficiency of refrigerator widely according to evaporator surface temperature.
By technique scheme, the blowing fan progress control method of refrigerator of the present invention has following advantage at least:
1, the blowing fan progress control method of refrigerator of the present invention, adjust the number of revolutions of blowing fan by the switching whether control that can make cold air flow to the air throttle of refrigerating chamber from refrigerating chamber, promptly when air throttle is in open state, blowing fan is moved under the state of low number of revolutions; And when air throttle is in closed state, be that blowing fan moves, thereby can improve the energy efficiency of refrigerator widely under the state of height running number of times.
2, whether the defrost switching of detected evaporator surface temperature of sensor and air throttle of the present invention adjusts the number of revolutions of blowing fan, promptly when opening air throttle because of the initial stage of compressor, within the scope of low number of revolutions, adjust the number of revolutions of blowing fan according to evaporator surface temperature; And when the temperature because of refrigerating chamber reaches assigned temperature and seals air throttle, within higher number of revolutions scope, adjust the number of revolutions of blowing fan, thereby can improve the energy efficiency of refrigerator widely according to evaporator surface temperature.
In sum, the blowing fan progress control method of the refrigerator that the present invention is special, overcome the defective of the blowing fan progress control method existence of existing refrigerator, it adjusts the number of revolutions of blowing fan by the switching whether control that can make cold air flow to the air throttle of refrigerating chamber from refrigerating chamber, promptly when air throttle is in open state, blowing fan is moved under the state of low number of revolutions; And when air throttle is in closed state, blowing fan is moved, thereby improved the energy efficiency of refrigerator widely under the state of height running number of times; Whether its switching according to defrosting detected evaporator surface temperature of sensor and air throttle simultaneously adjusts the number of revolutions of blowing fan, promptly when opening air throttle because of the initial stage of compressor, within the scope of low number of revolutions, adjust the number of revolutions of blowing fan according to evaporator surface temperature; And when the temperature because of refrigerating chamber reaches assigned temperature and seals air throttle, within higher number of revolutions scope, adjust the number of revolutions of blowing fan, thereby improved the energy efficiency of refrigerator widely according to evaporator surface temperature.It has above-mentioned many advantages and practical value, and in class methods, do not see have similar design to publish or use and really genus innovation, no matter it is all having bigger improvement on method or on the function, have large improvement technically, if and produced handy and practical effect, and the blowing fan progress control method of more existing refrigerator has the multinomial effect of enhancement, thereby is 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 grammar of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is refrigerating chamber door and the existing common refrigerator structure schematic diagram of opening refrigerating-chamber door.
Fig. 2 is a refrigerating chamber of the prior art according to the working state schematic representation of the compressor reducer of temperature setting range and air throttle, blowing fan.
Fig. 3 is a flow chart of whether adjusting the number of revolutions of blowing fan according to the switching of air throttle according to of the present invention.
Fig. 4 is a working state schematic representation of whether adjusting the number of revolutions of blowing fan according to the switching of air throttle according to of the present invention.
Fig. 5 installs the front schematic view that is provided with defrosting inductor (temperature inductor) on evaporimeter according to the present invention.
Fig. 6 is according to another kind of blowing fan progress control method of the present invention, is the flow chart of whether adjusting the number of revolutions of blowing fan by the switching that utilization is mounted on detected evaporator surface temperature of defrosting inductor on Fig. 5 evaporimeter and air throttle.
Fig. 7 utilizes the switching of the detected evaporator surface temperature of defrosting inductor be mounted on Fig. 5 evaporimeter and air throttle whether to adjust the working state schematic representation of the number of revolutions of blowing fan.
F: refrigerating chamber R: refrigerating chamber
2: main body 10: plenum chamber
12: blowing fan 14: the freezer temperature inductor
20: cold duct 20a: cold air extrudes mouth
22: multiple pipeline 22a: cold air extrudes mouth
24: temperature of refrigerating chamber inductor 30: evaporimeter
32: the defrosting inductor
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, its concrete grammar of blowing fan progress control method, step, feature and the effect thereof of the refrigerator that foundation the present invention is proposed, describe in detail as after.
See also Fig. 3, shown in Figure 4, whether Fig. 3 adjusts the flow chart of the number of revolutions of blowing fan according to of the present invention according to the switching of air throttle, and Fig. 4 is a working state schematic representation of whether adjusting the number of revolutions of blowing fan according to the switching of air throttle according to of the present invention.
Blowing fan progress control method according to refrigerator of the present invention, its be compressed device and condenser, expansion valve, evaporimeter 30 and the driving of the cold air that kind of refrigeration cycle produced that circulates by blowing fan 12 be forced into refrigerator inside and reduce in the refrigerator of its internal temperature, when according to the driving of compressor reducer and the running refrigerating circulation time, by utilizing the switching to make cold air be pressed out to the air throttle of above-mentioned refrigerating chamber R whether to adjust the blowing fan control algolithm of the number of revolutions of blowing fan 12, can improve the energy efficiency of refrigerator from above-mentioned refrigerating chamber F.
At this moment, the control algolithm of above-mentioned blowing fan, it may further comprise the steps: whether set the number of revolutions of blowing fan 12 according to the switching of air throttle, the stage 110 that causes blowing fan 12 to move under the state of low number of revolutions or high number of revolutions; Detect the switching whether stage 120 of above-mentioned air throttle by the sensor (not shown); Judge that according to the information that the sensor detects air throttle is by the stage 130 open or that be closed; If judge above-mentioned air throttle by opening according to above-mentioned signal, the stage 140 that air-supply last 12 is moved under the state of low number of revolutions; If judge that according to above-mentioned signal above-mentioned air throttle is closed, make last 12 stages of under the state of high number of revolutions, moving 150 of air-supply for the flow that increases the mixing air that flows into evaporimeter 30.
Progress control method according to another kind of blowing fan of the present invention, it is compressed device and condenser, expansion valve, the driving by blowing fan 12 of evaporimeter 30 and the cold air that kind of refrigeration cycle produced that circulates is forced into refrigerator inside and reduces in the refrigerator of its internal temperature, assigned position installation at above-mentioned evaporimeter 30 is provided with defrosting sensor 32, and, can improve the energy efficiency of refrigerator by whether adjust the blowing fan control algolithm of the number of revolutions of blowing fan 12 according to the surface temperature of utilizing above-mentioned defrosting sensor 32 detected evaporimeters 30 and the switching that can make cold air be pressed out to the air throttle of above-mentioned refrigerating chamber R from above-mentioned refrigerating chamber F.
At this moment, the control algolithm of above-mentioned blowing fan, it comprises the steps: whether to set with the surface temperature of evaporimeter 30 according to the switching of air throttle the number of revolutions of blowing fan 12, the stage 210 that causes blowing fan 12 to move under the state of low number of revolutions or high number of revolutions; Utilization is mounted on the stage 220 of defrosting sensor 32 detection evaporimeters 30 surface temperatures on the evaporimeter 30; Judge the switching whether stage 230 of above-mentioned air throttle by the sensor (not shown); Judge that according to the information that the sensor detects air throttle is by the stage 240 open or that be closed; If judge above-mentioned air throttle by opening, within the scope of low number of revolutions, with the stage 250 of the speed that the presets operation blowing fan 12 of evaporimeter 30 surface temperatures that detected corresponding to above-mentioned defrosting sensor 32 according to above-mentioned signal; If judge that according to above-mentioned signal above-mentioned air throttle is closed, within the scope of high number of revolutions, with the stage 260 of the speed that the presets operation blowing fan 12 of evaporimeter 30 surface temperatures that detected corresponding to above-mentioned defrosting sensor 32.
Below, the blowing fan progress control method according to refrigerator of the present invention is described in detail, and adopts identical symbol for the same structure of the present invention and above-mentioned explanation.
Blowing fan progress control method according to refrigerator of the present invention, its be compressed device and condenser, expansion valve, evaporimeter 30 and the driving of the cold air that kind of refrigeration cycle produced that circulates by blowing fan 12 be forced into refrigerator inside and reduce in the refrigerator of its internal temperature, when according to the driving of compressor reducer and the running refrigerating circulation time, by utilizing the switching to make cold air be pressed out to the air throttle of above-mentioned refrigerating chamber R whether to adjust the blowing fan control algolithm of the number of revolutions of blowing fan 12, can improve the energy efficiency of refrigerator from above-mentioned refrigerating chamber F.
At this moment, see also shown in Figure 3, the control algolithm of above-mentioned blowing fan, the number of revolutions that it comprises the steps: whether to set according to the switching of air throttle blowing fan 12, the stage 110 that causes blowing fan under the state of low number of revolutions or high number of revolutions, to move; Detect the switching whether stage 120 of above-mentioned air throttle by the sensor (not shown); Judge that according to the information that the sensor detects air throttle is by the stage 130 open or that be closed; If judge above-mentioned air throttle by opening according to above-mentioned signal, the stage 140 that air-supply last 12 is moved under the state of low number of revolutions; If judge that according to above-mentioned signal above-mentioned air throttle is closed, make last 12 stages of under the state of high number of revolutions, moving 150 of air-supply for the flow that increases the mixing air that flows into evaporimeter 30.
Whether adjust the number of revolutions of blowing fan 12 according to the switching of air throttle by the above-mentioned stage (110-150), at this moment, see also shown in Figure 4, when above-mentioned air throttle is opened, air (cold air) and the air of refrigerating chamber F of refrigerating chamber R that is higher than air (cold air) temperature of refrigerating chamber F mixes and during inflow evaporator 30 mutually, and because the above-mentioned air that flows into above-mentioned evaporimeter 30, be that above-mentioned refrigerating chamber R air is relative higher with the temperature of refrigerating chamber F Air mixing air, therefore, the refrigeration power that mixing air can produce greater than compressor reducer to the heat that cold-producing medium transmits, thus the cold-producing medium of above-mentioned evaporimeter 30 outlets one side will be in superheat state.At this moment, because the cold-producing medium of above-mentioned evaporimeter 30 outlets one side is in superheat state, even pass through the flow of the number of revolutions less air of reduction blowing fan 12, the heat that is delivered to cold-producing medium from above-mentioned mixing air can obviously not reduce, therefore, if the number of revolutions of passing through minimizing blowing fan 12 reduces the input current of blowing fan 12, can improve the energy efficiency of refrigerator greatly.
In contrast, see also shown in Figure 4, when above-mentioned air throttle is closed, because have only the air (cold air) of refrigerating chamber F to flow into evaporimeter 30, therefore flow into heat that the air of above-mentioned evaporimeter 30 can transmit to cold-producing medium less than the absorbent heat of cold-producing medium, thereby increase measures such as air flow by the number of revolutions that improves said fan 12, because can increase the heat output of evaporimeter 30 by the number of revolutions that increases blowing fan 12, therefore, this also can improve the energy efficiency of refrigerator greatly.
See also flow chart shown in Figure 3, it is as follows now whether to adjust the procedure declaration of number of revolutions of blowing fan 12 according to the switching of air throttle:
At first, whether the switching that is pressed out to the air throttle of refrigerating chamber R from refrigerating chamber F according to the cold air that the driving by blowing fan 12 is extruded sets the number of revolutions of blowing fan 12, cause blowing fan under the state of low number of revolutions or high number of revolutions after the operation, whether and according to the information that the sensor detects the switching that detects above-mentioned air throttle by sensor judges that air throttle is by open or be closed 130.
At this moment, if judge that according to the detected signal of the sensor above-mentioned air throttle is by opening, for the flow that reduces the mixing air that flows into evaporimeter 30 air-supply last 12 is moved under the state of low number of revolutions, in contrast, if judge that according to above-mentioned signal above-mentioned air throttle is closed, air-supply last 12 is moved under the state of high number of revolutions.Whether adjust the number of revolutions of blowing fan 12 like this according to the switching of air throttle.
Seeing also shown in Figure 5ly, is that the front schematic view that defrosting inductor (temperature inductor) is set is installed on evaporimeter according to the present invention; See also shown in Figure 6, be according to another kind of blowing fan progress control method of the present invention, it is a flow chart of whether adjusting the number of revolutions of blowing fan by the switching that utilization is mounted on detected evaporator surface temperature of defrosting inductor on Fig. 5 evaporimeter and air throttle; Seeing also shown in Figure 7ly, is to utilize the switching of the detected evaporator surface temperature of defrosting inductor be mounted on Fig. 5 evaporimeter and air throttle whether to adjust the working state figure of the number of revolutions of blowing fan.
Progress control method according to another kind of blowing fan of the present invention, it is compressed device and condenser, expansion valve, the driving by blowing fan 12 of evaporimeter 30 and the cold air that kind of refrigeration cycle produced that circulates is forced into refrigerator inside and reduces in the refrigerator of its internal temperature, assigned position installation at above-mentioned evaporimeter 30 is provided with defrosting sensor 32, and, can improve the energy efficiency of refrigerator by whether adjust the blowing fan control algolithm of the number of revolutions of blowing fan 12 according to the surface temperature of utilizing above-mentioned defrosting sensor 32 detected evaporimeters 30 and the switching that can make cold air be pressed out to the air throttle of above-mentioned refrigerating chamber R from above-mentioned refrigerating chamber F.
At this moment, the control algolithm of above-mentioned blowing fan, it may further comprise the steps: whether set the number of revolutions of blowing fan 12, the stage 210 that causes blowing fan to move with the surface temperature of evaporimeter 30 according to the switching of air throttle under the state of low number of revolutions or high number of revolutions; Utilization is mounted on the stage 220 of defrosting sensor 32 detection evaporimeters 30 surface temperatures on the evaporimeter 30; Judge the switching whether stage 230 of above-mentioned air throttle by the sensor (not shown); Judge that according to the information that the sensor detects air throttle is by the stage 240 open or that be closed; If judge above-mentioned air throttle by opening, within the scope of low number of revolutions, with the stage 250 of the speed that the presets operation blowing fan 12 of evaporimeter 30 surface temperatures that detected corresponding to above-mentioned defrosting sensor 32 according to above-mentioned signal; If judge that according to above-mentioned signal above-mentioned air throttle is closed, within the scope of high number of revolutions, with the stage 260 of the speed that the presets operation blowing fan 12 of evaporimeter 30 surface temperatures that detected corresponding to above-mentioned defrosting sensor 32.
Whether adjust the number of revolutions of blowing fan 12 with the surface temperature of evaporimeter 30 according to the switching of air throttle by the above-mentioned stage (210-260), at this moment, see also shown in Figure 7, when opening air throttle because of the initial stage of compressor, air (cold air) and the air of refrigerating chamber F of refrigerating chamber R that is higher than air (cold air) temperature of refrigerating chamber F mixes and during inflow evaporator 30 mutually, and because the above-mentioned air that flows into above-mentioned evaporimeter 30, be that above-mentioned refrigerating chamber R air is relative higher with the temperature of refrigerating chamber F Air mixing air, therefore, at this moment, the refrigeration power that can produce greater than compressor reducer from the heat that above-mentioned mixing air transmits to cold-producing medium, thereby the absorbent heat of cold-producing medium institute that is in superheat state is less, therefore, within the scope of lower number of revolutions, if adjust the number of revolutions of blowing fan 12, can improve the energy efficiency of refrigerator greatly according to the surface temperature of above-mentioned evaporimeter 30.
In contrast, see also shown in Figure 7, when the temperature because of refrigerating chamber reaches assigned temperature and seals air throttle, because have only the air (cold air) of refrigerating chamber F to flow into evaporimeter 30, therefore flow into heat that the air of above-mentioned evaporimeter 30 can transmit to cold-producing medium less than the absorbent heat of cold-producing medium, thereby within the scope of higher number of revolutions, if adjust the number of revolutions of blowing fan 12, also can improve the energy efficiency of refrigerator greatly according to the surface temperature of above-mentioned evaporimeter 30.
See also flow chart shown in Figure 6, now to adjust the procedure declaration of number of revolutions of blowing fan 12 as follows for the surface temperature that whether reaches evaporimeter 30 according to the switching of air throttle:
At first, be pressed out to from refrigerating chamber F according to the cold air that the driving by blowing fan 12 is extruded refrigerating chamber R air throttle switching whether, and evaporator surface temperature is set the number of revolutions of blowing fan 12, cause blowing fan under the state of low number of revolutions or high number of revolutions after the operation 210, by whether being mounted on switching that defrosting sensor 32 on the above-mentioned evaporimeter 30 detects the surface temperature of evaporimeters 30 and detect above-mentioned air throttle by sensor, the information that detects according to the sensor judges that air throttle is by open or be closed 240 afterwards.
At this moment, if judge that according to the detected signal of the sensor above-mentioned air throttle is by opening, make air-supply last 12 for the flow that reduces the mixing air that flows into evaporimeter 30 within the scope of low number of revolutions, move blowing fan 12 with the speed that presets of evaporimeter 30 surface temperatures that detected corresponding to above-mentioned defrosting sensor 32; In contrast, if judge that according to the detected signal of the sensor above-mentioned air throttle is closed, for the flow that increases the mixing air that flows into evaporimeter 30 within the scope of high number of revolutions, with the speed that the presets operation blowing fan 12 of evaporimeter 30 surface temperatures that detected corresponding to above-mentioned defrosting sensor 32.Whether reach the number of revolutions of the surface temperature adjustment blowing fan 12 of evaporimeter 30 like this according to the switching of air throttle.
The blowing fan progress control method of refrigerator as previously discussed, be not only applicable to as the refrigerating chamber F of one embodiment of the present of invention and refrigerating chamber R by about type shoulder to shoulder (Side BySide-Type) refrigerator cut apart, bottom type (Bottom-Type) refrigerator that type (Top Mount-Type) refrigerator, refrigerating chamber and refrigerating chamber cut apart up and down etc. is inlayed at its top that is applicable to that also refrigerating chamber and refrigerating chamber are cut apart up and down.
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 (4)

1, a kind of blowing fan progress control method of refrigerator, be applicable to compressed device and condenser, expansion valve, evaporimeter and the driving of the cold air that kind of refrigeration cycle produced that circulates by blowing fan is forced into refrigerator inside and reduces in the refrigerator of its internal temperature, it is characterized in that:
It is according to the driving of compressor reducer and whether the running refrigerating circulation adjusts the blowing fan control algolithm of the number of revolutions of blowing fan by utilizing the switching that can make cold air be pressed out to the air throttle of above-mentioned refrigerating chamber from above-mentioned refrigerating chamber, and improves the energy efficiency of refrigerator.
2, the blowing fan progress control method of refrigerator according to claim 1 is characterized in that the control algolithm of wherein said blowing fan may further comprise the steps:
Whether set the number of revolutions of blowing fan according to the switching of air throttle, the stage that causes blowing fan under the state of low number of revolutions or high number of revolutions, to move;
Detect the switching whether stage of above-mentioned air throttle by sensor;
Judge that according to the information that the sensor detects air throttle is by the stage open or that be closed;
If judge above-mentioned air throttle by opening, make air-supply go up the stage of under the state of low number of revolutions, moving for the flow that reduces the mixing air that flows into evaporimeter according to above-mentioned signal; And
If judge that according to above-mentioned signal above-mentioned air throttle is closed, make air-supply go up the stage of under the state of high number of revolutions, moving for the flow that increases the mixing air that flows into evaporimeter.
3, a kind of blowing fan progress control method of refrigerator, be suitable for compressed device and condenser, expansion valve, evaporimeter and the driving of the cold air that kind of refrigeration cycle produced that circulates by blowing fan is forced into refrigerator inside and reduces in the refrigerator of its internal temperature, it is characterized in that:
It is installed on the assigned position of above-mentioned evaporimeter and is provided with the defrosting sensor, and by according to utilize the detected evaporator surface temperature of above-mentioned defrosting sensor and can make cold air be pressed out to from above-mentioned refrigerating chamber above-mentioned refrigerating chamber air throttle switching whether, adjust the blowing fan control algolithm of the number of revolutions of blowing fan, to improve the energy efficiency of refrigerator.
4, the blowing fan progress control method of refrigerator according to claim 3 is characterized in that the control algolithm of wherein said blowing fan may further comprise the steps:
According to the switching of air throttle whether, and evaporator surface temperature, to set the number of revolutions of blowing fan, the stage that causes blowing fan under the state of low number of revolutions or high number of revolutions, to move;
Utilization is mounted on the stage of the defrosting sensor detection evaporator surface temperature on the evaporimeter;
Judge the switching whether stage of above-mentioned air throttle by sensor;
Judge that according to the information that the sensor detects air throttle is by the stage open or that be closed;
If judge above-mentioned air throttle by opening, within the scope of low number of revolutions, with the stage of the speed that the presets operation blowing fan of the evaporator surface temperature that detected corresponding to above-mentioned defrosting sensor according to above-mentioned signal; And
If judge that according to above-mentioned signal above-mentioned air throttle is closed, within the scope of high number of revolutions, with the stage of the speed that the presets operation blowing fan of the evaporator surface temperature that detected corresponding to above-mentioned defrosting sensor.
CN 200410037552 2004-04-28 2004-04-28 Operational control method for blowing fan of refrigerator Pending CN1690629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410037552 CN1690629A (en) 2004-04-28 2004-04-28 Operational control method for blowing fan of refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410037552 CN1690629A (en) 2004-04-28 2004-04-28 Operational control method for blowing fan of refrigerator

Publications (1)

Publication Number Publication Date
CN1690629A true CN1690629A (en) 2005-11-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410037552 Pending CN1690629A (en) 2004-04-28 2004-04-28 Operational control method for blowing fan of refrigerator

Country Status (1)

Country Link
CN (1) CN1690629A (en)

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