CN210346002U - Air-cooled refrigerator - Google Patents
Air-cooled refrigerator Download PDFInfo
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- CN210346002U CN210346002U CN201920598931.4U CN201920598931U CN210346002U CN 210346002 U CN210346002 U CN 210346002U CN 201920598931 U CN201920598931 U CN 201920598931U CN 210346002 U CN210346002 U CN 210346002U
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- 239000007788 liquid Substances 0.000 claims description 39
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- 239000011232 storage material Substances 0.000 claims description 17
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 14
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical class [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 2
- 235000011285 magnesium acetate Nutrition 0.000 description 2
- 239000011654 magnesium acetate Substances 0.000 description 2
- 229940069446 magnesium acetate Drugs 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- RGJOEKWQDUBAIZ-IBOSZNHHSA-N CoASH Chemical compound O[C@@H]1[C@H](OP(O)(O)=O)[C@@H](COP(O)(=O)OP(O)(=O)OCC(C)(C)[C@@H](O)C(=O)NCCC(=O)NCCS)O[C@H]1N1C2=NC=NC(N)=C2N=C1 RGJOEKWQDUBAIZ-IBOSZNHHSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
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- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
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- 210000002421 cell wall Anatomy 0.000 description 1
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- RGJOEKWQDUBAIZ-UHFFFAOYSA-N coenzime A Natural products OC1C(OP(O)(O)=O)C(COP(O)(=O)OP(O)(=O)OCC(C)(C)C(O)C(=O)NCCC(=O)NCCS)OC1N1C2=NC=NC(N)=C2N=C1 RGJOEKWQDUBAIZ-UHFFFAOYSA-N 0.000 description 1
- 239000005516 coenzyme A Substances 0.000 description 1
- 229940093530 coenzyme a Drugs 0.000 description 1
- KDTSHFARGAKYJN-UHFFFAOYSA-N dephosphocoenzyme A Natural products OC1C(O)C(COP(O)(=O)OP(O)(=O)OCC(C)(C)C(O)C(=O)NCCC(=O)NCCS)OC1N1C2=NC=NC(N)=C2N=C1 KDTSHFARGAKYJN-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model relates to a refrigerator technical field especially relates to an air-cooled refrigerator, include: the fan, heat accumulation device, introduce the wind door, draw forth the wind door and introduce the wind pipe, heat accumulation device's one end and the second cavity intercommunication that is used for holding the compressor, heat accumulation device's the other end through introducing the wind pipe with be used for holding the first cavity intercommunication of evaporimeter, it is equipped with the fan to introduce the wind pipe and close on the one end of heat accumulation device, it is close to in evaporimeter one end to introduce the wind pipe and is equipped with the wind door of introducing, and introduce the wind door and draw forth the wind door and arrange respectively on first cavity wall. The utility model stores the heat generated by the refrigerator compressor, and uses the part of heat to defrost, thereby reducing the power consumption of defrosting operation, saving energy, protecting environment and improving the energy utilization rate of the refrigerator; the mode of utilizing hot air to strengthen convection replaces the mode that the heating wire mainly passes through heat radiation and convection heat transfer among the prior art, has solved the great problem of the upper and lower difference in temperature of evaporimeter in the defrosting process.
Description
Technical Field
The utility model relates to a refrigerator technical field especially relates to an air-cooled refrigerator.
Background
With the development of science and technology, people invent refrigerators, and the inventing, creation and application of traditional refrigerators meet the requirements of users on prolonging the food preservation time to a certain extent, but the traditional air-cooled refrigerators still cannot meet the requirements of people on good life. The water vapor is solidified into frost in a low-temperature environment, the surface of an evaporator needs to be defrosted in order to ensure the normal work of the refrigerator, the traditional air-cooled refrigerator utilizes a heating wire for heating to defrost the evaporator, the power is mostly 200W, and the defrosting period is 12h-24h according to the capacity of the refrigerator. The defrosting mode of heating wire heating is simple, and the effect is good, receives refrigerator manufacturer's favor, is applied to the very great majority refrigerator in the market.
However, the conventional defrosting mode of the air-cooled refrigerator has the following main problems:
(1) the heating wire belongs to a high-power device, and the defrosting mode has high power consumption and is not beneficial to energy conservation and environmental protection.
(2) The heat that the heating wire produced mainly transmits the frost layer through radiation and convection heat transfer's mode for it is arranged in the evaporimeter below for most radiation heat is absorbed by bottom frost layer, and the evaporimeter is big from top to bottom the difference in temperature, and defrosting effect is poor.
(3) Defrosting is a phase change process, the surface of the evaporator has high viscosity after frost is changed into water, food residues and dust in the refrigerator are brought to the space where the evaporator is located along with wind and are attached to the surface of the evaporator, and the surface of the evaporator becomes dirty after multiple cycles, so that bacteria are easy to breed. The air is cooled by the evaporator and then sent back to the refrigerating chamber and the freezing chamber, which brings threat to the health of users, and the problem of the traditional refrigerator is not solved.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an air-cooled refrigerator for solve the big and poor problem of defrosting effect of power consumption that prior art defrosting mode exists.
The embodiment of the utility model provides an air-cooled refrigerator, include: fan, heat accumulation device, introduction wind air door, draw forth the wind air door and introduce the wind pipe, heat accumulation device's one end and the second cavity intercommunication that is used for holding the compressor, heat accumulation device's the other end passes through introduce the wind tuber pipe and be used for holding the first cavity intercommunication of evaporimeter, it is close to introduce the wind tuber pipe the one end of heat accumulation device is equipped with the fan, it is close to introduce the wind tuber pipe evaporimeter one end is equipped with and introduces the wind air door, just introduce the wind air door with it arranges respectively in to draw the wind air door on the first cavity wall.
The heat storage device comprises a heat storage material and a heat exchange device, the heat storage material is wrapped on the outer side of the compressor, a heat exchange medium is filled in the heat exchange device, one end of the heat exchange device is in contact heat exchange with the heat storage material, and the other end of the heat exchange device is in contact heat exchange with air in the air inlet pipe.
Wherein, heat transfer device includes coil pipe and microchannel heat exchanger, the microchannel heat exchanger install in the port department of introducing the tuber pipe, the both ends oral area of coil pipe connect respectively in the microchannel heat exchanger, just the middle section of coil pipe encircle in heat accumulation material contact heat transfer.
Wherein, the port of coil pipe still is equipped with first pump.
Wherein, still include second pump, liquid reserve tank and spray set, the liquid reserve tank set up in being used for holding the compressor with in heat storage device's the second cavity, spray set up in just be located in the first cavity the top of evaporimeter, the liquid reserve tank pass through the second pump with spray set connects.
The liquid replenishing device comprises a liquid storage tank, a liquid level sensor and an alarm, wherein the liquid replenishing port is arranged in the liquid storage tank, and the liquid level sensor is arranged in the liquid storage tank and electrically connected with the alarm.
The device also comprises an ultraviolet lamp, wherein the surface of the evaporator is coated with a nano titanium dioxide coating, and the ultraviolet lamp is positioned above the evaporator.
The embodiment of the utility model provides a pair of air-cooled refrigerator utilizes heat accumulation device to absorb the heat that refrigerator compressor during operation produced, stores the release with this heat for the air of introducing the air tuber pipe, utilizes the air of fan drive introduction air tuber pipe, lets in to the evaporimeter, carries out the defrosting operation, can be through introducing the start and the stop of air door and the control defrosting operation of leading out air door. The utility model stores the heat generated by the refrigerator compressor, and uses the part of heat to defrost, thereby reducing the power consumption of defrosting operation, saving energy, protecting environment and improving the energy utilization rate of the refrigerator; the mode of utilizing hot air to force convection replaces among the prior art heating wire mainly through the mode of heat radiation and convection heat transfer, has solved the great problem of the upper and lower difference in temperature of evaporimeter in the defrosting process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an air-cooled refrigerator according to the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic structural view of the heat storage device of the present invention.
1. A liquid storage tank; 2. an ultraviolet lamp; 3. introducing an air door; 4. introducing an air port; 5. a spraying device; 6. an evaporator; 7. introducing an air duct; 8. an air outlet door; 9. an air outlet; 10. a fan; 11. a water pipe; 12. a refrigerating air inlet; 13. refrigerating an air inlet door; 14. a refrigeration air outlet; 15. refrigerating an air outlet door; 16. a heat storage device; 17. a microchannel heat exchanger; 18. a first pump; 19. a compressor; 20. a heat storage material; 21. and (4) coiling the pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model discloses an air-cooled refrigerator, include: fan 10, heat accumulation device 16, introduce wind air door 3, draw forth wind air door 8 and introduce wind tuber pipe 7, the one end of heat accumulation device 16 and the second cavity intercommunication that is used for holding compressor 19, the other end of heat accumulation device 16 passes through draw in wind tuber pipe 7 and the first cavity intercommunication that is used for holding evaporimeter 6, draw in wind tuber pipe 7 be close to in the one end of heat accumulation device 16 is equipped with fan 10, it is close to in to introduce wind tuber pipe 7 evaporimeter 6 one end is equipped with and draws in wind air door 3, just draw in wind air door 3 with draw out wind air door 8 arrange respectively in on the first cavity wall.
Specifically, the utility model discloses well heat accumulation device 16 is arranged in collecting the heat that compressor 19 during operation produced to release this heat for the air that introduces in wind tuber pipe 7, fan 10 provides drive power for the air that introduces in wind tuber pipe 7, blows it to evaporimeter 6, carries out the defrosting operation to it. When the air-cooled refrigerator is in a refrigeration mode, the inlet air door 3, the outlet air door 8 and the fan 10 are closed, and the heat storage device 16 absorbs and stores heat generated by the compressor 19; when the air-cooled refrigerator is in a defrosting mode, the air inlet 3, the air outlet 8 and the fan 10 are opened, the heat storage device 16 releases absorbed heat to air in the air inlet pipe 7, and the air is blown into the first cavity through the fan 10 to defrost the evaporator 6.
The embodiment of the utility model provides a pair of air-cooled refrigerator utilizes heat accumulation device to absorb the heat that refrigerator compressor during operation produced, releases this heat storage for the air of introducing the wind tuber pipe, utilizes the air of fan drive introduction wind tuber pipe, lets in to the evaporimeter, carries out the defrosting operation. The compressor and the evaporator are respectively arranged in different cavities, the compressor is arranged in the second cavity, and the evaporator is arranged in the first cavity. The leading-in air door and the leading-out air door are both arranged on the cavity wall of the first cavity, and the start and stop of defrosting operation can be controlled through the leading-in air door and the leading-out air door. The utility model stores the heat generated by the refrigerator compressor, and uses the part of heat to defrost, thereby reducing the power consumption of defrosting operation, saving energy, protecting environment and improving the energy utilization rate of the refrigerator; the mode of utilizing hot air to force convection replaces among the prior art heating wire mainly through the mode of heat radiation and convection heat transfer, has solved the great problem of the upper and lower difference in temperature of evaporimeter in the defrosting process.
As shown in fig. 3, the heat storage device 16 includes a heat storage material 20 and a heat exchange device, the heat storage material 20 is wrapped outside the compressor 19, the heat exchange device is filled with a heat exchange medium, one end of the heat exchange device is in contact with the heat storage material 20 for heat exchange, and the other end of the heat exchange device is in contact with the air introduced into the air duct 7 for heat exchange. Specifically, the heat storage material 20 is used to store heat generated by the compressor, and the heat storage material 20 may be paraffin wax, which is a material having a high heat transfer coefficient. The heat in the heat storage material 20 can be transferred to the air introduced into the air duct 7 through a heat exchange device in a heat exchange manner, wherein the heat exchange device is filled with a heat exchange medium, and the heat exchange medium adopted in this embodiment may be ethylene glycol.
Wherein, heat transfer device includes coil pipe 21 and microchannel heat exchanger 17, microchannel heat exchanger 17 install in the port department of introducing tuber pipe 7, the both ends oral area of coil pipe 21 connect respectively in microchannel heat exchanger 17, just the middle section of coil pipe 21 encircle in heat storage material 20 contacts the heat transfer. The microchannel heat exchanger 17 in this embodiment is a finned tube heat exchanger, and a freezing-resistant glycol solution with a relatively high temperature flows in the heat exchange device as a heat exchange medium. The contact area between the heat storage material 20 and the coil 21 is increased, the heat transfer efficiency is improved by adopting the micro-channel heat exchanger, and the heat exchange medium transfers heat to the air introduced into the air duct 7 through the micro-channel heat exchanger 17.
Wherein, a first pump 18 is also arranged at the port of the coil 21. The first pump 18 in this embodiment is a liquid pump, and is used to drive the heat exchange medium in the heat exchange device, so that the heat exchange medium can circularly flow in the coil 21 and the microchannel heat exchanger 17, and the heat exchange efficiency is improved. When the air-cooled refrigerator refrigerates, the first pump 18 is closed, the heat storage material 20 absorbs and stores heat, when the air-cooled refrigerator defrosts, the first pump 18 is opened, the heat exchange medium circularly flows, and absorbs heat from the heat storage material 20 and releases the heat to air introduced into the air duct 7, so that the heat exchange and defrosting efficiency is improved.
Wherein, still include second pump, liquid reserve tank 1 and spray set 5, liquid reserve tank 1 sets up to be used for holding compressor 19 with in the second cavity of heat accumulation device 16, spray set 5 set up in the first cavity and be located the top of evaporimeter 6, liquid reserve tank 1 through the second pump with spray set 5 connects. Specifically, liquid reserve tank 1 leads to pipe 11 and is connected with spray set 5, and the intussuseption of liquid reserve tank 1 is filled with the salt solution, and it places in the second cavity, and the heat that is given off by compressor 19 heats, through the drive of second pump, sprays the surface to evaporimeter 6 in the spray set 5, reduces the freezing point of water, supplementary defrosting. The salt solution in this embodiment may be a mixed salt solution of saturated calcium acetate and magnesium acetate (the mass ratio of magnesium acetate to calcium acetate is 3.5: 1). The material of the inner surface of the liquid storage tank 1 and the salt solution do not react with each other, and a buzzer and the like can be adopted as the alarm.
The liquid level detection device is characterized by further comprising a liquid supplementing port, a liquid level sensor and an alarm, wherein the liquid supplementing port is formed in the liquid storage tank 1, and the liquid level sensor is installed in the liquid storage tank 1 and electrically connected with the alarm. The liquid level sensor can monitor the liquid level height of the saline solution in the liquid storage tank 1, and when the liquid level height is lower than the early warning value, the alarm is started to inform workers of supplementing the saline solution from the fluid supplementing port.
The device also comprises an ultraviolet lamp 2, wherein the surface of the evaporator 6 is coated with a nano titanium dioxide coating, and the ultraviolet lamp 2 is positioned above the evaporator 6. Specifically, the ultraviolet lamp 2 may be installed at a lower end of the shower device 5. In this embodiment, the evaporator is sterilized by irradiating the nano titanium dioxide coating with the ultraviolet lamp 2, and the ultraviolet lamp 2 in this embodiment may be a low-pressure mercury lamp. The specific principle comprises the following steps: the surface effect, volume effect, quantum effect and macroscopic effect of the nano material enable the nano material of titanium dioxide to produce remarkable effect. Nano titanium dioxide (TiO for short)2) Under the irradiation of ultraviolet light, freely moving electrons (e) with negative charges can be decomposed by self-) And positively charged holes (h)+). Valence band hole (h)+) Make H adsorbed2O oxidation, conduction band electrons (e)-) By making O of air2Reduction, the reaction equation is:
TiO2→e-+h+
H2O+h+→OH-+H+
O2+e-→O2 -
TiO2OH produced-Can be distributed in TiO2The surface of the layer, in contact with the water on its surface, is rendered OH-free by the mechanical action of hydrogen bonds-And H2The close contact of O results in strong hydrophilicity. The continuous ultraviolet irradiation can ensure that the hydrophilicity is continuously enhanced to be super-hydrophilic, and the super-hydrophilic nano titanium dioxide coating ensures that water attached to the surface of the nano titanium dioxide coating forms a water film to permeate into the interface between the dirt and the titanium dioxide, so that the adhesive force of the dirt is greatly increasedThe dirt can be automatically stripped from the surface when the dirt is impacted by water flow. The hydrophilic surface can enable the liquid to be condensed in a membrane shape, so that the liquid can slide off more easily, heat exchange is enhanced, heat transfer is accelerated, and the defrosting process is accelerated. This example utilizes hydroxyl radicals (. OH) and H2O2Sterilizing with active oxygen substances; the nano titanium dioxide enables water to generate a chemical reaction to generate hydroxyl free radicals (OH) and H under the irradiation of ultraviolet light with the wavelength less than 385nm2O2The active oxygen substances and hydroxyl free radicals (OH) have the reaction energy of 402.8MJ/mol and are higher than various chemical bond energies in organic matters, so that most organic pollutants can be oxidized, and CO is finally generated2And H2And O. The coenzyme A in the bacteria is oxidized to destroy the permeability and DNA structure of the cell wall (membrane) of the bacteria, and the electron transport is interrupted to play a role of photocatalysis bacteria, thereby achieving the function of removing the bacteria attached to the surface of the evaporator. In the embodiment, a layer of nano titanium dioxide coating is sprayed on the surface of the evaporator, and the surface of the evaporator and the air duct are irradiated by ultraviolet light to be in super-hydrophilicity and strong oxidizing property. During refrigeration, the effects of delaying frosting, improving heat transfer coefficient and reducing operation power consumption are achieved; the sterilization and defrosting acceleration functions are realized during defrosting.
The utility model also discloses a working method of forced air cooling refrigerator, include: a cooling mode and a defrosting mode, and,
the cooling mode includes: the compressor operates to generate heat, and the heat storage device absorbs the heat generated by the compressor; the evaporator works, a refrigeration air inlet door and a refrigeration air outlet door are opened, air is cooled by the evaporator and enters a refrigerator storage chamber from a refrigeration air inlet, and then enters the evaporator from a refrigeration air outlet to form refrigeration cycle;
the defrost mode includes: and closing the refrigeration air inlet door, the refrigeration air outlet door, the compressor and the evaporator, opening the inlet air door, the outlet air door and the fan, carrying out heat exchange on heat absorbed by the heat storage device and air in the inlet air pipe, blowing the heat into the evaporator from the inlet air port through the fan for defrosting, and discharging the air from the outlet air port after defrosting is finished.
Specifically, the refrigeration air intake door 13 is installed at the refrigeration air intake 12, and the refrigeration air intake door 13 is controlled to be opened and closed, so that whether cold air in the evaporator 6 enters a storage chamber of the refrigerator or not can be controlled; similarly, the refrigeration air outlet door 15 is installed at the refrigeration air outlet 14, and the refrigeration air outlet door 15 is controlled to be opened and closed, so that whether cold air in a storage chamber of the refrigerator enters the evaporator 6 or not can be controlled. Generally, the cooling intake damper 13 and the cooling exhaust damper 15 are kept open in the cooling mode, so that the air in the storage compartment and the air in the evaporator 6 are circulated. In the defrosting mode, the refrigeration air inlet door 13, the refrigeration air outlet door 15 and the compressor 19 are all closed, at the moment, the refrigerator does not generate cold, the heat absorbed by the heat storage device 16 is released to the air introduced into the air pipe 7 and is sent into the first chamber through the fan 10 to defrost the evaporator 6, and finally the air in the first chamber is discharged from the air outlet 9.
Wherein, still include: a descaling-sterilization mode comprising: the surface of the evaporator is coated with a nano titanium dioxide coating, the evaporator is irradiated by an ultraviolet lamp to remove pathogenic bacteria attached to fins of the evaporator, and the spraying device sprays salt solution on the surface of the evaporator to clean dirt attached to the surface of the evaporator. The utility model utilizes Tio2Under the irradiation of ultraviolet light, the water is oxidized to generate active substances such as hydroxyl, hydrogen peroxide and the like, and bacteria and dirt on the surface of the evaporator are removed. And controlling the ultraviolet lamp 2 to be periodically opened to sterilize the air flue. In the embodiment, a layer of nano titanium dioxide coating is sprayed on the surface of the evaporator, and the surface of the evaporator and the air duct are irradiated by ultraviolet light to be in super-hydrophilicity and strong oxidizing property. During refrigeration, the effects of delaying frosting, improving heat transfer coefficient and reducing operation power consumption are achieved; the sterilization and defrosting acceleration functions are realized during defrosting.
The embodiment of the utility model provides a pair of air-cooled refrigerator utilizes heat accumulation device to absorb the heat that refrigerator compressor during operation produced, stores the release with this heat for the air of introducing the wind tuber pipe, utilizes the air of fan drive in introducing the wind tuber pipe, lets in to the evaporimeter, carries out the defrosting operation, can be through introducing the wind air door, drawing forth the wind air door and the start and the stop of fan control defrosting operation. The utility model stores the heat generated by the refrigerator compressor, and uses the part of heat to defrost, thereby reducing the power consumption of defrosting operation, saving energy, protecting environment and improving the energy utilization rate of the refrigerator; the forced convection mode of hot air is utilized to replace the mode that the heating wire mainly exchanges heat through heat radiation and convection in the prior art, so that the problem that the temperature difference between the upper part and the lower part of the evaporator is large in the defrosting process is solved; spraying salt solution on the evaporator by using a spraying device, reducing the freezing point of water and assisting in defrosting; the ultraviolet lamp is used for irradiating the nano titanium dioxide coating on the surface of the evaporator, and the nano titanium dioxide coating is descaled and sterilized by utilizing the strong hydrophilicity and the strong oxidizing property of the nano titanium dioxide coating, so that the interior of the refrigerator is kept clean.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. An air-cooled refrigerator, comprising: fan, heat accumulation device, introduction wind air door, draw forth the wind air door and introduce the wind pipe, heat accumulation device's one end and the second cavity intercommunication that is used for holding the compressor, heat accumulation device's the other end passes through introduce the wind tuber pipe and be used for holding the first cavity intercommunication of evaporimeter, it is close to introduce the wind tuber pipe the one end of heat accumulation device is equipped with the fan, it is close to introduce the wind tuber pipe evaporimeter one end is equipped with and introduces the wind air door, just introduce the wind air door with it arranges respectively in to draw the wind air door on the first cavity wall.
2. The air-cooled refrigerator according to claim 1, wherein the heat storage device includes a heat storage material wrapped around an outer side of the compressor and a heat exchange device filled with a heat exchange medium, one end of the heat exchange device is in contact with the heat storage material for heat exchange, and the other end of the heat exchange device is in contact with air introduced into the air duct for heat exchange.
3. The air-cooled refrigerator according to claim 2, wherein the heat exchanging device comprises a coil pipe and a micro-channel heat exchanger, the micro-channel heat exchanger is installed at a port of the air inlet pipe, two port parts of the coil pipe are respectively connected to the micro-channel heat exchanger, and a middle section of the coil pipe surrounds the heat storage material for contact heat exchange.
4. The air-cooled refrigerator of claim 3 wherein a first pump is also provided at a port of the coil.
5. The air-cooled refrigerator according to claim 1, further comprising a second pump, a liquid storage tank provided in a second chamber for accommodating the compressor and the heat storage device, and a shower device provided in the first chamber above the evaporator, the liquid storage tank being connected to the shower device through the second pump.
6. The air-cooled refrigerator according to claim 5, further comprising a liquid replenishing port, a liquid level sensor and an alarm, wherein the liquid replenishing port is arranged in the liquid storage tank, and the liquid level sensor is mounted inside the liquid storage tank and electrically connected with the alarm.
7. The air-cooled refrigerator of claim 1, further comprising an ultraviolet lamp, wherein the surface of the evaporator is coated with a nano titanium dioxide coating, and the ultraviolet lamp is positioned above the evaporator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598931.4U CN210346002U (en) | 2019-04-28 | 2019-04-28 | Air-cooled refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920598931.4U CN210346002U (en) | 2019-04-28 | 2019-04-28 | Air-cooled refrigerator |
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| CN210346002U true CN210346002U (en) | 2020-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081645A (en) * | 2019-04-28 | 2019-08-02 | 北京工业大学 | A kind of wind cooling refrigerator and its working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081645A (en) * | 2019-04-28 | 2019-08-02 | 北京工业大学 | A kind of wind cooling refrigerator and its working method |
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