CN105091457A - Air cooling refrigerator and control method and control system thereof - Google Patents
Air cooling refrigerator and control method and control system thereof Download PDFInfo
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- CN105091457A CN105091457A CN201510473927.1A CN201510473927A CN105091457A CN 105091457 A CN105091457 A CN 105091457A CN 201510473927 A CN201510473927 A CN 201510473927A CN 105091457 A CN105091457 A CN 105091457A
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- refrigerating chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/121—Sensors measuring the inside temperature of particular compartments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention provides an air cooling refrigerator and a control method and control system thereof. A refrigerator body of the air cooling refrigerator is provided with a refrigerating chamber and a freezing chamber. The freezing chamber is internally provided with an evaporator and a freezing air outlet fan. The refrigerator body is provided with an air feeding flue and an air returning flue. The refrigerating chamber is internally provided with a refrigerating chamber air outlet and a refrigerating chamber air returning port which are communicated with the air feeding flue and the air returning flue respectively. The freezing chamber is internally provided with a freezing chamber air outlet and a freezing chamber air returning port which are communicated with the air feeding flue and the air returning flue respectively. The refrigerating chamber is internally provided with a refrigerating chamber air door capable of opening or closing the refrigerating chamber air outlet. A refrigerating chamber air returning fan is arranged at the refrigerating chamber air returning port. When the refrigerating chamber air returning fan is started, the flow speed of airflow in the air returning flue can be increased. According to the air cooling refrigerator, the refrigerating chamber air returning fan is arranged at the refrigerating chamber air returning port, the flow speed of airflow in the air returning flue is increased, and the phenomenon of icing of water steam in airflow in the freezing chamber air returning port and the phenomenon of condensation at a door groove of the refrigerating chamber are reduced.
Description
Technical field
The present invention relates to art of refrigeration units, more specifically, relating to a kind of wind cooling refrigerator, for controlling the control method of this wind cooling refrigerator and the control system for this wind cooling refrigerator.
Background technology
At present, wind cooling refrigerator on market, between its refrigerator room and alternating temperature, the refrigeration of room must be gone out by the wind after evaporator heat exchange by freezing fan, and to room air-supply between refrigerator room and alternating temperature, return air is delivered to return air inlet place, freezing air channel and is realized by the backwind tube then through room between refrigerator room and alternating temperature.Due to the temperature feature of room between refrigerator room and alternating temperature, make the temperature of the return air flowed back to from room between refrigerator room and alternating temperature for above zero, and freezing compartment's temperature keeps subzero 18 DEG C always, therefore formed at freezing return air inlet place and cold and heat succeed each other, the water vapour in the air-flow of returning from room between refrigerator room and alternating temperature is easily frozen at freezing return air inlet.
In addition, the cold wind served of freezing fan to enter between refrigerator room, alternating temperature behind room through ajutage, because space enlargement and blast diminish, wind speed is die-offed, therefore between refrigerator room and alternating temperature, indoor cold wind flowing is slow, cause the circulation at the places such as the door body groove of air-flow room between refrigerator room and alternating temperature not smooth, cause condensation, also return air inlet place wind speed can be caused too low simultaneously, return air is not smooth, after particularly between refrigerator room and/or alternating temperature, room air door is closed, an indoor gas flow rates is less, and dew condensation phenomenon is even more serious.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.
For this reason, the object of first aspect of the present invention is, provides the wind cooling refrigerator of the dew condensation phenomenon of the icing of the freezing return air inlet place of a kind of effective improvement and refrigerator room and freezing compartment.
The object of second aspect of the present invention is, provides a kind of control method for controlling above-mentioned wind cooling refrigerator.
The object of third aspect of the present invention is, provides a kind of control system for above-mentioned wind cooling refrigerator.
For achieving the above object, the embodiment of first aspect of the present invention provides a kind of wind cooling refrigerator, the casing of described wind cooling refrigerator have refrigerating chamber and refrigerating chamber, evaporimeter and freezing air-out fan is provided with in described refrigerating chamber, and described casing has supply air duct and return airway, be provided with in described refrigerating chamber respectively with described supply air duct, the refrigerating chamber air outlet that described return airway is connected and refrigerating chamber return air inlet, be provided with in described refrigerating chamber respectively with described supply air duct, the refrigerating chamber air outlet that described return airway is connected and refrigerating chamber return air inlet, refrigerating chamber air door is provided with in described refrigerating chamber, described refrigerating chamber air door can open or close described refrigerating chamber air outlet, and described refrigerating chamber return air inlet place is provided with refrigerating chamber return air fan, described refrigerating chamber return air fan can increase the flow velocity of air-flow in described return airway when opening.
The wind cooling refrigerator that the above embodiment of the present invention provides, due in refrigeration chamber process, flow back into the air-flow of return airway inevitably containing water vapour from refrigerating chamber return air inlet, by arranging refrigerating chamber return air fan at refrigerating chamber return air inlet place, pass through the air draught effect of refrigerating chamber return air fan herein on the one hand, the return air speed refrigerating indoor air flow can be accelerated, namely the flowing velocity of return air stream in refrigerating chamber is added, make the circulation of return air stream smooth and easy, thus the action time of the low temperature Men Ti of the water vapour shortened in air-flow and refrigerating chamber etc., thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber, pass through the air draught effect of refrigerating chamber return air fan herein on the other hand, the flowing velocity of return air stream in return airway can be increased, thus the water vapour decreased in air-flow is in the holdup time at refrigerating chamber return air inlet place, thus the temperature flow velocity that is lower, water vapour improved because of refrigerating chamber return air inlet place is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
In addition, the wind cooling refrigerator that the above embodiment of the present invention provides also has following additional technical feature:
According to one embodiment of present invention, described casing is provided with control device, described control device respectively with described freezing air-out fan, described refrigerating chamber air door and the electrical connection of described refrigerating chamber return air fan, the first temperature sensor is provided with in described refrigerating chamber, described first temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described first temperature sensor transmits, and open according to the temperature signal described freezing air-out fan of control received and described refrigerating chamber air door, or or control described freezing air-out fan and described refrigerating chamber air door and close, control described refrigerating chamber return air fan to open simultaneously.
In above-described embodiment, control device can control opening and cut out of freezing air-out fan, refrigerating chamber air door and refrigerating chamber return air fan according to the temperature height in refrigerating chamber, thus when the temperature in refrigerating chamber is higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is opened, freezing air-out fan is made to be blown in refrigerating chamber by the cold wind lower by temperature after evaporator heat exchange through refrigerating chamber air door, the air generation heat exchange higher with temp. in refrigerating chamber, realizes the process of refrigerastion of refrigerating chamber, when the temperature in refrigerating chamber is not higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is closed, and control refrigerating chamber return air fan and open, thus make the wind that is blown into by refrigerating chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of refrigerating chamber return air fan, namely the flow velocity of air-flow in return airway is added, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber, and the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
According to one embodiment of present invention, described casing has temperature-changing chamber, the temperature-changing chamber air outlet and temperature-changing chamber return air inlet that are connected with described return airway with described supply air duct is respectively provided with in described temperature-changing chamber, temperature-changing chamber air door is provided with in described temperature-changing chamber, described temperature-changing chamber air door can open or close described temperature-changing chamber air outlet, and described temperature-changing chamber return air inlet place is provided with temperature-changing chamber return air fan, the flow velocity of air-flow in described return airway when described temperature-changing chamber return air fan is opened, can be increased.
In above-described embodiment, the process of refrigerastion of temperature-changing chamber and refrigeration chamber similar process, by arranging temperature-changing chamber return air fan at temperature-changing chamber return air inlet place, make the wind be blown into by temperature-changing chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of temperature-changing chamber return air fan, namely the flow velocity of air-flow in return airway is increased, thus add the flowing velocity of the air-flow of temperature-changing chamber return air inlet, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of temperature-changing chamber, add the flowing velocity of return air stream in return airway simultaneously, return air stream is made to flow back into evaporimeter more quickly, decrease the holdup time of return air stream at refrigerating chamber return air inlet place, thus the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
According to one embodiment of present invention, described control device is electrically connected with described temperature-changing chamber air door and described temperature-changing chamber return air fan respectively, the second temperature sensor is provided with in described temperature-changing chamber, described second temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described second temperature sensor transmits, and control described freezing air-out fan and described temperature-changing chamber air door according to the temperature signal received and open, or control described freezing air-out fan and described temperature-changing chamber air door is closed, controlled described temperature-changing chamber return air fan simultaneously and open.
In above-described embodiment example, control device can control opening and cut out of freezing air-out fan, temperature-changing chamber air door and temperature-changing chamber return air fan according to the temperature height in temperature-changing chamber, thus when the temperature in temperature-changing chamber is higher than the second preset temperature, control device controls freezing air-out fan and temperature-changing chamber air door is opened, freezing air-out fan is made to be blown in temperature-changing chamber by the cold wind lower by temperature after evaporator heat exchange through temperature-changing chamber air door, the air generation heat exchange higher with alternating temperature indoor temperature, realizes the process of refrigerastion of temperature-changing chamber, when the temperature in temperature-changing chamber is not higher than the second preset temperature, control device controls freezing air-out fan and temperature-changing chamber air door is closed, and control temperature-changing chamber return air fan and open, thus make the wind that is blown into by temperature-changing chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of temperature-changing chamber return air fan, namely the flow velocity of air-flow in return airway is added, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of temperature-changing chamber, and the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
According to one embodiment of present invention, three-temperature sensor is provided with in described refrigerating chamber, described three-temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described three-temperature sensor transmits, and controls described refrigerating chamber air door and described temperature-changing chamber air door according to the temperature signal received and close, control described freezing air-out fan simultaneously and open or close.
In above-described embodiment, control device can control opening and cut out of freezing air-out fan according to the temperature height in refrigerating chamber, thus when the temperature in refrigerating chamber is higher than the 3rd preset temperature, control device controls freezing air-out fan and opens, controls refrigerating chamber air door and the cut out of temperature-changing chamber air door simultaneously, realizes the process to refrigerating chamber separate refrigeration; When the temperature in refrigerating chamber is not higher than the 3rd preset temperature, control device controls freezing air-out fan and cuts out, and terminates the process of refrigerastion of refrigerating chamber.
According to one embodiment of present invention, described refrigerating chamber air outlet, described temperature-changing chamber air outlet and described refrigerating chamber air outlet are located at the position at the close top of described refrigerating chamber, described temperature-changing chamber and described refrigerating chamber respectively; Described refrigerating chamber return air inlet, described temperature-changing chamber return air inlet and described refrigerating chamber return air inlet are located at the position of the close bottom of described refrigerating chamber, described temperature-changing chamber and described refrigerating chamber respectively.
In above-described embodiment, refrigerating chamber air outlet is arranged on the position at the close top of refrigerating chamber, because the gas flow temperature entered from refrigerating chamber air outlet is lower, density is larger, be easy to move downward, thus the air-flow of low temperature is made to enter from the position near top, the flowing velocity of air-flow at whole refrigerating chamber can be accelerated, thus improve the fluency of air current flow further, improve the water vapour dew condensation phenomenon at places such as door body grooves of water vapour in the icing phenomenon and air-flow at refrigerating chamber return air inlet place in air-flow; Temperature-changing chamber air outlet and refrigerating chamber air outlet are separately positioned on the position at the close top of temperature-changing chamber and refrigerating chamber, play equally and accelerate the flowing velocity of air-flow in temperature-changing chamber and refrigerating chamber, alleviate the object of freezing with dew condensation phenomenon.
The embodiment of second aspect of the present invention provides a kind of control method, for controlling the wind cooling refrigerator described in above-mentioned any embodiment, described control method comprises: receive the temperature signal that the first temperature sensor in refrigerating chamber transmits, and judges that whether temperature in described refrigerating chamber is higher than the first preset temperature according to the temperature signal received; If the temperature in described refrigerating chamber is higher than described first preset temperature, then controls refrigerating chamber air door and open, control freezing air-out fan simultaneously and open; If the temperature in described refrigerating chamber is less than or equal to described first preset temperature, then controls described refrigerating chamber air door and described freezing air-out fan closedown, control refrigerating chamber return air fan simultaneously and open.
The control method that the above embodiment of the present invention provides, opening and closedown of freezing air-out fan, refrigerating chamber air door and refrigerating chamber return air fan can be controlled according to the temperature height in refrigerating chamber, thus when the temperature in refrigerating chamber is higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is opened, freezing air-out fan is made to be blown in refrigerating chamber by the cold wind lower by temperature after evaporator heat exchange through refrigerating chamber air door, the air generation heat exchange higher with temp. in refrigerating chamber, realizes the process of refrigerastion of refrigerating chamber, when the temperature in refrigerating chamber is not higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is closed, and control refrigerating chamber return air fan and open, thus make the wind that is blown into by refrigerating chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of refrigerating chamber return air fan, namely the flow velocity of air-flow in return airway is added, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber, and the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place, and this control method, simple.
According to one embodiment of present invention, described control method also comprises: receive the temperature signal that the second temperature sensor in temperature-changing chamber transmits, and judges that whether temperature in described temperature-changing chamber is higher than the second preset temperature according to the temperature signal received; If the temperature in described temperature-changing chamber is higher than described second preset temperature, then controls temperature-changing chamber air door and open, control described freezing air-out fan simultaneously and open; If the temperature in described temperature-changing chamber is less than or equal to described second preset temperature, then control described temperature-changing chamber air door and described freezing air-out fan cuts out, control temperature-changing chamber return air fan simultaneously opens.
The embodiment of the 3rd aspect of the present invention provides a kind of control system, for the wind cooling refrigerator described in above-mentioned any embodiment, described control system comprises: judge module, for the temperature signal that the first temperature sensor received in refrigerating chamber transmits, and judge that whether temperature in described refrigerating chamber is higher than the first preset temperature according to the temperature signal received; Control module, for when the temperature in described refrigerating chamber is higher than described first preset temperature, control refrigerating chamber air door is opened, control freezing air-out fan simultaneously opens; When the temperature in described refrigerating chamber is less than or equal to described first preset temperature, control described refrigerating chamber air door and described freezing air-out fan cuts out, control refrigerating chamber return air fan simultaneously opens.
According to one embodiment of present invention, according to the temperature signal received, described judge module also for the temperature signal that the second temperature sensor received in temperature-changing chamber transmits, and judges that whether in described temperature-changing chamber temperature is higher than the second preset temperature; Described control module, also for when the temperature in described temperature-changing chamber is higher than described second preset temperature, controls described temperature-changing chamber air door and opens, controls described freezing air-out fan simultaneously and open; When the temperature in described temperature-changing chamber is less than or equal to described second preset temperature, control described temperature-changing chamber air door and described freezing air-out fan cuts out, control temperature-changing chamber return air fan simultaneously opens.
Additional aspect of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the wind cooling refrigerator described in one embodiment of the invention;
Fig. 2 is the structural representation at another visual angle of wind cooling refrigerator shown in Fig. 1;
Fig. 3 is the schematic process flow diagram of the control method described in one embodiment of the invention;
Fig. 4 is the control flow schematic diagram of the control method described in one embodiment of the invention;
Fig. 5 is the structural representation of the control system described in one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 5 between Reference numeral and component names is:
10 refrigerating chambers, 101 refrigerating chamber air outlets, 102 refrigerating chamber return air inlets, 103 refrigerating chamber return air fans, 20 refrigerating chambers, 201 refrigerating chamber air outlets, 202 refrigerating chamber return air inlets, 203 freezing air-out fans, 30 temperature-changing chambers, 301 temperature-changing chamber air outlets, 302 temperature-changing chamber return air inlets, 303 temperature-changing chamber return air fans, 40 supply air ducts, 50 return airways, 60 control systems, 601 judge modules, 602 control modules.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Wind cooling refrigerator according to some embodiments of the invention and control method thereof and control system are described with reference to the accompanying drawings.
As depicted in figs. 1 and 2, a kind of wind cooling refrigerator provided according to some embodiments of the invention, the casing of described wind cooling refrigerator have refrigerating chamber 10 and refrigerating chamber 20, evaporimeter and freezing air-out fan 203 is provided with in described refrigerating chamber 20, and described casing has supply air duct 40 and return airway 50, be provided with in described refrigerating chamber 10 respectively with described supply air duct 40, the refrigerating chamber air outlet 101 that described return airway 50 is connected and refrigerating chamber return air inlet 102, be provided with in described refrigerating chamber 20 respectively with described supply air duct 40, the refrigerating chamber air outlet 201 that described return airway 50 is connected and refrigerating chamber return air inlet 202, refrigerating chamber air door is provided with in described refrigerating chamber 10, described refrigerating chamber air door can open or close described refrigerating chamber air outlet 101, and described refrigerating chamber return air inlet 102 place is provided with refrigerating chamber return air fan 103, described refrigerating chamber return air fan 103 can increase the flow velocity of air-flow in described return airway 50 when opening.
The wind cooling refrigerator that the above embodiment of the present invention provides, due in refrigeration chamber process, flow back into the air-flow of return airway inevitably containing water vapour from refrigerating chamber return air inlet, by arranging refrigerating chamber return air fan at refrigerating chamber return air inlet place, pass through the air draught effect of refrigerating chamber return air fan herein on the one hand, the return air speed refrigerating indoor air flow can be accelerated, namely the flowing velocity of return air stream in refrigerating chamber is added, make the circulation of return air stream smooth and easy, thus the action time of the low temperature Men Ti of the water vapour shortened in air-flow and refrigerating chamber etc., thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber, pass through the air draught effect of refrigerating chamber return air fan herein on the other hand, the flowing velocity of return air stream in return airway can be increased, thus the water vapour decreased in air-flow is in the holdup time at refrigerating chamber return air inlet place, thus the temperature flow velocity that is lower, water vapour improved because of refrigerating chamber return air inlet place is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
Further, described casing is provided with control device, described control device respectively with described freezing air-out fan 203, described refrigerating chamber air door and described refrigerating chamber return air fan 103 are electrically connected, the first temperature sensor is provided with in described refrigerating chamber 10, described first temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described first temperature sensor transmits, and open according to the temperature signal described freezing air-out fan 203 of control received and described refrigerating chamber air door, or control described freezing air-out fan 203 and the closedown of described refrigerating chamber air door, control described refrigerating chamber return air fan 103 to open simultaneously.
Particularly, as shown in Figure 4, when described first temperature sensor detects that temperature in described refrigerating chamber 10 is higher than the first preset temperature, described control device receives refrigeration chamber request, described control device controls described freezing air-out fan 203 and described refrigerating chamber air door is opened, and when the temperature that described first temperature sensor detects in described refrigerating chamber 10 is less than or equal to described first preset temperature, described refrigeration chamber request terminates, described control device controls described freezing air-out fan 203 and described refrigerating chamber air door is closed, control described refrigerating chamber return air fan 103 to open simultaneously.
In above-described embodiment, control device can control opening and cut out of freezing air-out fan, refrigerating chamber air door and refrigerating chamber return air fan according to the temperature height in refrigerating chamber, thus when the temperature in refrigerating chamber is higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is opened, freezing air-out fan is made to be blown in refrigerating chamber by the cold wind lower by temperature after evaporator heat exchange through refrigerating chamber air door, the air generation heat exchange higher with temp. in refrigerating chamber, realizes the process of refrigerastion of refrigerating chamber, when the temperature in refrigerating chamber is not higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is closed, and control refrigerating chamber return air fan and open, thus make the wind that is blown into by refrigerating chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of refrigerating chamber return air fan, namely the flow velocity of air-flow in return airway is added, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber, and the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
In some embodiments of the present invention, as depicted in figs. 1 and 2, described casing has temperature-changing chamber 30, the temperature-changing chamber air outlet 301 and temperature-changing chamber return air inlet 302 that are connected with described return airway 50 with described supply air duct 40 is respectively provided with in described temperature-changing chamber 30, temperature-changing chamber air door is provided with in described temperature-changing chamber 30, described temperature-changing chamber air door can open or close described temperature-changing chamber air outlet 301, and described temperature-changing chamber return air inlet 302 place is provided with temperature-changing chamber return air fan 303, the flow velocity of air-flow in described return airway 50 when described temperature-changing chamber return air fan 303 is opened, can be increased.
In above-described embodiment, the process of refrigerastion of temperature-changing chamber and refrigeration chamber similar process, by arranging temperature-changing chamber return air fan at temperature-changing chamber return air inlet place, make the wind be blown into by temperature-changing chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of temperature-changing chamber return air fan, namely the flow velocity of air-flow in return airway is increased, thus add the flowing velocity of the air-flow of temperature-changing chamber return air inlet, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of temperature-changing chamber, add the flowing velocity of return air stream in return airway simultaneously, return air stream is made to flow back into evaporimeter more quickly, decrease the holdup time of return air stream at refrigerating chamber return air inlet place, thus the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
Further, described control device is electrically connected with described temperature-changing chamber air door and described temperature-changing chamber return air fan 303 respectively, the second temperature sensor is provided with in described temperature-changing chamber 30, described second temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described second temperature sensor transmits, and control described freezing air-out fan 203 and described temperature-changing chamber air door according to the temperature signal received and open, or control described freezing air-out fan 203 and described temperature-changing chamber air door is closed, controlled described temperature-changing chamber return air fan 303 simultaneously and open.
Particularly, as shown in Figure 4, when described second temperature sensor detects that temperature in described temperature-changing chamber 30 is higher than the second preset temperature, described control device receives the request of temperature-changing chamber refrigeration, described control device controls described freezing air-out fan 203 and described temperature-changing chamber air door is opened, and when the temperature that described second temperature sensor detects in described temperature-changing chamber 30 is less than or equal to described second preset temperature, the request of described temperature-changing chamber refrigeration terminates, described control device controls described freezing air-out fan 203 and described temperature-changing chamber air door is closed, control described temperature-changing chamber return air fan 303 to open simultaneously.
In above-described embodiment example, control device can control opening and cut out of freezing air-out fan, temperature-changing chamber air door and temperature-changing chamber return air fan according to the temperature height in temperature-changing chamber, thus when the temperature in temperature-changing chamber is higher than the second preset temperature, control device controls freezing air-out fan and temperature-changing chamber air door is opened, freezing air-out fan is made to be blown in temperature-changing chamber by the cold wind lower by temperature after evaporator heat exchange through temperature-changing chamber air door, the air generation heat exchange higher with alternating temperature indoor temperature, realizes the process of refrigerastion of temperature-changing chamber, when the temperature in temperature-changing chamber is not higher than the second preset temperature, control device controls freezing air-out fan and temperature-changing chamber air door is closed, and control temperature-changing chamber return air fan and open, thus make the wind that is blown into by temperature-changing chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of temperature-changing chamber return air fan, namely the flow velocity of air-flow in return airway is added, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of temperature-changing chamber, and the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
Further again, three-temperature sensor is provided with in described refrigerating chamber 20, described three-temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described three-temperature sensor transmits, and controls described refrigerating chamber air door and described temperature-changing chamber air door according to the temperature signal received and close, control described freezing air-out fan 203 simultaneously and open or close.
Particularly, when described three-temperature sensor detects that temperature in described refrigerating chamber 20 is higher than the 3rd preset temperature, described control device receives the request of refrigerating chamber refrigeration, and described control device controls described freezing air-out fan 203 and opens, controls described refrigerating chamber air door and the cut out of described temperature-changing chamber air door simultaneously; And when the temperature that described three-temperature sensor detects in described refrigerating chamber 20 is less than or equal to described 3rd preset temperature, the request of described refrigerating chamber refrigeration terminates, and described control device controls described freezing air-out fan 203 and cuts out.
In above-described embodiment, control device can control opening and cut out of freezing air-out fan according to the temperature height in refrigerating chamber, thus when the temperature in refrigerating chamber is higher than the 3rd preset temperature, control device controls freezing air-out fan and opens, controls refrigerating chamber air door and the cut out of temperature-changing chamber air door simultaneously, realizes the process to refrigerating chamber separate refrigeration; When the temperature in refrigerating chamber is not higher than the 3rd preset temperature, control device controls freezing air-out fan and cuts out, and terminates the process of refrigerastion of refrigerating chamber.
In one embodiment of the present of invention, as shown in Figure 2, described refrigerating chamber air outlet 101, described temperature-changing chamber air outlet 301 and described refrigerating chamber air outlet 201 are located at the position at the close top of described refrigerating chamber 10, described temperature-changing chamber 30 and described refrigerating chamber 20 respectively; Described refrigerating chamber return air inlet 102, described temperature-changing chamber return air inlet 302 and described refrigerating chamber return air inlet 202 are located at the position of the close bottom of described refrigerating chamber 10, described temperature-changing chamber 30 and described refrigerating chamber 20 respectively.
In above-described embodiment, refrigerating chamber air outlet is arranged on the position at the close top of refrigerating chamber, because the gas flow temperature entered from refrigerating chamber air outlet is lower, density is larger, be easy to move downward, thus the air-flow of low temperature is made to enter from the position near top, the flowing velocity of air-flow at whole refrigerating chamber can be accelerated, thus improve the fluency of air current flow further, improve the water vapour dew condensation phenomenon at places such as door body grooves of water vapour in the icing phenomenon and air-flow at refrigerating chamber return air inlet place in air-flow; Temperature-changing chamber air outlet and refrigerating chamber air outlet are separately positioned on the position at the close top of temperature-changing chamber and refrigerating chamber, play equally and accelerate the flowing velocity of air-flow in temperature-changing chamber and refrigerating chamber, alleviate the object of freezing with dew condensation phenomenon.
The embodiment of second aspect of the present invention provides a kind of control method, and as shown in Figure 3, for controlling the wind cooling refrigerator described in above-mentioned any embodiment, described control method comprises the following steps:
Step 101, receives the temperature signal that the first temperature sensor in refrigerating chamber transmits, and judges that whether temperature in described refrigerating chamber 10 is higher than the first preset temperature according to the temperature signal received;
Step 102, if the temperature in described refrigerating chamber 10 is higher than described first preset temperature, then controls refrigerating chamber air door and opens, control freezing air-out fan 203 simultaneously and open;
If the temperature in described refrigerating chamber 10 is less than or equal to described first preset temperature, then control described refrigerating chamber air door and described freezing air-out fan 203 cuts out, control refrigerating chamber return air fan 103 simultaneously and open.
The control method that the above embodiment of the present invention provides, opening and closedown of freezing air-out fan, refrigerating chamber air door and refrigerating chamber return air fan can be controlled according to the temperature height in refrigerating chamber, thus when the temperature in refrigerating chamber is higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is opened, freezing air-out fan is made to be blown in refrigerating chamber by the cold wind lower by temperature after evaporator heat exchange through refrigerating chamber air door, the air generation heat exchange higher with temp. in refrigerating chamber, realizes the process of refrigerastion of refrigerating chamber, when the temperature in refrigerating chamber is not higher than the first preset temperature, control device controls freezing air-out fan and refrigerating chamber air door is closed, and control refrigerating chamber return air fan and open, thus make the wind that is blown into by refrigerating chamber return air inlet in return airway, evaporimeter can be flow back into fast under the air draught effect of refrigerating chamber return air fan, namely the flow velocity of air-flow in return airway is added, thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber, and the temperature improved because of refrigerating chamber return air inlet place is lower, the flow velocity of water vapour is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place, and this control method, simple.
In an alternative embodiment of the invention, as shown in Figure 4, described control method is further comprising the steps of:
Step 201, receives the temperature signal that the second temperature sensor in temperature-changing chamber transmits, and judges that whether temperature in described temperature-changing chamber 30 is higher than the second preset temperature according to the temperature signal received;
Step 202, if the temperature in described temperature-changing chamber 30 is higher than described second preset temperature, then controls temperature-changing chamber air door and opens, control described freezing air-out fan 203 simultaneously and open;
If the temperature in described temperature-changing chamber 30 is less than or equal to described second preset temperature, then control described temperature-changing chamber air door and described freezing air-out fan 203 cuts out, control temperature-changing chamber return air fan 303 simultaneously and open.
The embodiment of the 3rd aspect of the present invention provides a kind of control system 60, and as shown in Figure 5, for the wind cooling refrigerator described in above-mentioned any embodiment, described control system comprises: judge module 601 and control module 602.
Wherein, the temperature signal that described judge module 601 transmits for the first temperature sensor received in refrigerating chamber, and judge that whether temperature in described refrigerating chamber 10 is higher than the first preset temperature according to the temperature signal received;
Described control module 602 is for when the temperature in described refrigerating chamber 10 is higher than described first preset temperature, control refrigerating chamber air door to open, control freezing air-out fan 203 to open simultaneously, be connected with return airway 50 with supply air duct 40, refrigerating chamber return air inlet 102 to make refrigerating chamber air outlet 101; When the temperature in described refrigerating chamber 10 is less than or equal to described first preset temperature, control described refrigerating chamber air door to close and control described freezing air-out fan 203 and close, control refrigerating chamber return air fan 103 to open, to increase the flow velocity of air-flow in described return airway 50 simultaneously.
Further, as shown in Figure 5, according to the temperature signal received, described judge module 601 also for the temperature signal that the second temperature sensor received in temperature-changing chamber transmits, and judges that whether in described temperature-changing chamber 30 temperature is higher than the second preset temperature; Described control module 602 is also for when the temperature in described temperature-changing chamber 30 is higher than described second preset temperature, control described temperature-changing chamber air door to open, control described freezing air-out fan 203 to open simultaneously, be connected with described return airway 50 with described supply air duct 40, temperature-changing chamber return air inlet 302 to make described temperature-changing chamber air outlet 301; When the temperature in described temperature-changing chamber 30 is less than or equal to described second preset temperature, control described temperature-changing chamber air door to close and control described freezing air-out fan 203 and close, control temperature-changing chamber return air fan 303 to open, to increase the flow velocity of air-flow in described return airway 50 simultaneously.
In sum, the wind cooling refrigerator that the embodiment of the present invention provides, by arranging refrigerating chamber return air fan at refrigerating chamber return air inlet place, pass through the air draught effect of refrigerating chamber return air fan herein on the one hand, the return air speed refrigerating indoor air flow can be accelerated, namely the flowing velocity of return air stream in refrigerating chamber is added, make the circulation of return air stream smooth and easy, thus the action time of the low temperature Men Ti of the water vapour shortened in air-flow and refrigerating chamber etc., thus improve the dew condensation phenomenon formed because water vapour is detained at the place such as door body groove of refrigerating chamber; Pass through the air draught effect of refrigerating chamber return air fan herein on the other hand, the flowing velocity of return air stream in return airway can be increased, thus the water vapour decreased in air-flow is in the holdup time at refrigerating chamber return air inlet place, thus the temperature flow velocity that is lower, water vapour improved because of refrigerating chamber return air inlet place is crossed slow and causes water vapour at the icing phenomenon at refrigerating chamber return air inlet place.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a wind cooling refrigerator, the casing of described wind cooling refrigerator have refrigerating chamber and refrigerating chamber, evaporimeter and freezing air-out fan is provided with in described refrigerating chamber, and described casing has supply air duct and return airway, the refrigerating chamber air outlet and refrigerating chamber return air inlet that are connected with described supply air duct, described return airway is respectively provided with in described refrigerating chamber, the refrigerating chamber air outlet and refrigerating chamber return air inlet that are connected with described supply air duct, described return airway is respectively provided with in described refrigerating chamber, it is characterized in that
Refrigerating chamber air door is provided with in described refrigerating chamber, described refrigerating chamber air door can open or close described refrigerating chamber air outlet, and described refrigerating chamber return air inlet place is provided with refrigerating chamber return air fan, the flow velocity of air-flow in described return airway when described refrigerating chamber return air fan is opened, can be increased.
2. wind cooling refrigerator according to claim 1, is characterized in that,
Described casing is provided with control device, described control device respectively with described freezing air-out fan, described refrigerating chamber air door and the electrical connection of described refrigerating chamber return air fan, the first temperature sensor is provided with in described refrigerating chamber, described first temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described first temperature sensor transmits, and open according to the temperature signal described freezing air-out fan of control received and described refrigerating chamber air door, or control described freezing air-out fan and the closedown of described refrigerating chamber air door, control described refrigerating chamber return air fan to open simultaneously.
3. wind cooling refrigerator according to claim 2, is characterized in that,
Described casing has temperature-changing chamber, the temperature-changing chamber air outlet and temperature-changing chamber return air inlet that are connected with described return airway with described supply air duct is respectively provided with in described temperature-changing chamber, temperature-changing chamber air door is provided with in described temperature-changing chamber, described temperature-changing chamber air door can open or close described temperature-changing chamber air outlet, and described temperature-changing chamber return air inlet place is provided with temperature-changing chamber return air fan, the flow velocity of air-flow in described return airway when described temperature-changing chamber return air fan is opened, can be increased.
4. wind cooling refrigerator according to claim 3, is characterized in that,
Described control device is electrically connected with described temperature-changing chamber air door and described temperature-changing chamber return air fan respectively, the second temperature sensor is provided with in described temperature-changing chamber, described second temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described second temperature sensor transmits, and control described freezing air-out fan and described temperature-changing chamber air door according to the temperature signal received and open, or control described freezing air-out fan and described temperature-changing chamber air door is closed, controlled described temperature-changing chamber return air fan simultaneously and open.
5. wind cooling refrigerator according to claim 4, is characterized in that,
Three-temperature sensor is provided with in described refrigerating chamber, described three-temperature sensor is electrically connected with described control device, described control device can receive the temperature signal that described three-temperature sensor transmits, and controls described refrigerating chamber air door and described temperature-changing chamber air door according to the temperature signal received and close, control described freezing air-out fan simultaneously and open or close.
6. the wind cooling refrigerator according to any one of claim 3 to 5, is characterized in that,
Described refrigerating chamber air outlet, described temperature-changing chamber air outlet and described refrigerating chamber air outlet are located at the position at the close top of described refrigerating chamber, described temperature-changing chamber and described refrigerating chamber respectively; Described refrigerating chamber return air inlet, described temperature-changing chamber return air inlet and described refrigerating chamber return air inlet are located at the position of the close bottom of described refrigerating chamber, described temperature-changing chamber and described refrigerating chamber respectively.
7. a control method, is characterized in that, for controlling the wind cooling refrigerator according to any one of claim 1 to 6, described control method comprises:
Receive the temperature signal that the first temperature sensor in refrigerating chamber transmits, and judge that whether temperature in described refrigerating chamber is higher than the first preset temperature according to the temperature signal received;
If the temperature in described refrigerating chamber is higher than described first preset temperature, then controls refrigerating chamber air door and open, control freezing air-out fan simultaneously and open;
If the temperature in described refrigerating chamber is less than or equal to described first preset temperature, then controls described refrigerating chamber air door and described freezing air-out fan closedown, control refrigerating chamber return air fan simultaneously and open.
8. control method according to claim 7, is characterized in that, also comprises:
Receive the temperature signal that the second temperature sensor in temperature-changing chamber transmits, and judge that whether temperature in described temperature-changing chamber is higher than the second preset temperature according to the temperature signal received;
If the temperature in described temperature-changing chamber is higher than described second preset temperature, then controls temperature-changing chamber air door and open, control described freezing air-out fan simultaneously and open;
If the temperature in described temperature-changing chamber is less than or equal to described second preset temperature, then control described temperature-changing chamber air door and described freezing air-out fan cuts out, control temperature-changing chamber return air fan simultaneously opens.
9. a control system, is characterized in that, for the wind cooling refrigerator such as according to any one of claim 1 to 6, described control system comprises:
Judge module, the temperature signal that the first temperature sensor for receiving in refrigerating chamber transmits, and judge that whether temperature in described refrigerating chamber is higher than the first preset temperature according to the temperature signal received;
Control module, for when the temperature in described refrigerating chamber is higher than described first preset temperature, control refrigerating chamber air door is opened, control freezing air-out fan simultaneously opens; When the temperature in described refrigerating chamber is less than or equal to described first preset temperature, control described refrigerating chamber air door and described freezing air-out fan cuts out, control refrigerating chamber return air fan simultaneously opens.
10. control system according to claim 9, is characterized in that,
According to the temperature signal received, described judge module also for the temperature signal that the second temperature sensor received in temperature-changing chamber transmits, and judges that whether temperature in described temperature-changing chamber is higher than the second preset temperature;
Described control module, also for when the temperature in described temperature-changing chamber is higher than described second preset temperature, controls described temperature-changing chamber air door and opens, controls described freezing air-out fan simultaneously and open; When the temperature in described temperature-changing chamber is less than or equal to described second preset temperature, control described temperature-changing chamber air door and described freezing air-out fan cuts out, control temperature-changing chamber return air fan simultaneously opens.
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