CN204313551U - A kind of wind cooling refrigerator defrosting system and wind cooling refrigerator - Google Patents
A kind of wind cooling refrigerator defrosting system and wind cooling refrigerator Download PDFInfo
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- CN204313551U CN204313551U CN201420648576.4U CN201420648576U CN204313551U CN 204313551 U CN204313551 U CN 204313551U CN 201420648576 U CN201420648576 U CN 201420648576U CN 204313551 U CN204313551 U CN 204313551U
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- defrost
- freezer evaporator
- wind cooling
- cooling refrigerator
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Abstract
The utility model relates to refrigerator field, disclose a kind of wind cooling refrigerator defrosting system and wind cooling refrigerator, comprise freezer evaporator, freezer evaporator is provided with refrigerating chamber defrost assembly, and refrigerating chamber defrost assembly comprises the first defrost parts being located at freezer evaporator bottom part down respectively and the second defrost parts be located on freezer evaporator sidewall; First defrost parts are connected with circuit control panel by controller with the second defrost parts.Refrigerating chamber defrost assembly of the present utility model comprises the first defrost parts being located at freezer evaporator bottom part down and the second defrost parts be located on freezer evaporator sidewall, freezer evaporator assembly can heat the bottom of freezer evaporator and sidewall respectively respectively, entirety on freezer evaporator is heated more even, avoids and occur the phenomenon that local frost cannot be melted in defrost process.
Description
Technical field
The utility model relates to wind cooling refrigerator field, relates to a kind of wind cooling refrigerator defrosting system and wind cooling refrigerator more specifically.
Background technology
In refrigerator industry, wind cooling refrigerator is the main product that present each large refrigerator manufacturer carries out researching and developing energetically, mainly concentrates on the research to ducting system and defrosting system to the research and development of wind cooling refrigerator.
Wind cooling refrigerator is also referred to as frost-free refrigerator, due to wind cooling refrigerator in use refrigerator inside there will not be frost and gain the name, be also that wind cooling refrigerator is subject to liking of consumers in general because above-mentioned reason simultaneously.The operation principle of wind cooling refrigerator utilizes air to freeze, when extraneous high temperature air flows through evaporimeter (internal wall separates of evaporimeter and refrigerator) that be arranged at refrigerator inside, because air themperature is high, the temperature of evaporimeter is low, air and evaporimeter directly carry out heat exchange, and after heat exchange, the temperature of air reduces.The cold air that temperature reduces after heat exchange is blown in refrigerator, freezes to refrigerator inside, and wind cooling refrigerator constantly carries out circulation by said process exactly and freezes to refrigerator inside, thus reduction internal temperature of refrigerator.
But forever there is steam in air, steam chance is cold just can condense, as long as so carry out the heat exchange between air and evaporimeter in refrigerator, just have frost and formed.Therefore also have frost to exist in wind cooling refrigerator, but the frost in refrigerator does not condense in refrigerator inside, but condensed on evaporimeter.
Usually the mode of thermal evaporation is adopted to remove to the frost that air cooling refrigerator evaporator condenses in prior art.Generally after refrigerator work a period of time, (8 hours) refrigerator suspends refrigeration, starts defrost heater system simultaneously and heats evaporimeter.Become water after condensation frost is on an evaporator heated, white water is discharged (or directly flashing to steam discharge) by special conduit.Above-mentioned defrost process is that refrigerator completes automatically, and do not need user manually to carry out defrosting process, therefore industry calls automatic defrosting refrigerator wind cooling refrigerator image again.
Along with the raising of people's living standard and quality, people are more and more, more and more higher to the demand of large volume refrigerator.This just has higher requirement to the evaporimeter of large volume wind cooling refrigerator, and require that the volume of evaporimeter is increasing, operating efficiency is more and more higher, and the refrigeration of evaporimeter is become better and better.And when evaporimeter meets above-mentioned various requirement, the frost causing evaporator surface to condense is also more than originally, therefore the defrost of large volume wind cooling refrigerator directly affects the problem of refrigeration for refrigerator situation quality as one, more and more receive the concern of people.
Usually the defrost heater block adopted when carrying out thermal evaporation defrost to wind cooling refrigerator in prior art generally has three kinds, is respectively quartz tube heater, steel pipe heater and aluminum pipe heater.Wherein, quartz tube heater by the mode of energy emission by heat to surrounding radiation, thus the frost that will evaporimeter condense melts.The frost that evaporimeter condenses is melted by the mode of radiant heat transfer and transmission of heat by contact by steel pipe heater.But quartz tube heater and steel pipe heater are generally placed on the below of evaporimeter, carrying out in defrost process to evaporimeter, the bottom of evaporimeter is first heated, therefore first the frost of base of evaporator starts to melt, and the frost in the middle part of finisher and top is just melted gradually, therefore to be subject to the time that quartz tube heater or steel pipe heater carry out heating long for base of evaporator, be very easy to cause the working of plastics of base of evaporator due to heated time long and occur the phenomenon of aged deterioration.Frost on evaporimeter melting gradually is from top to bottom will absorb a large amount of heats in the process of water, and the thawing time is comparatively very long, there is serious heat waste phenomenon.Therefore, use quartz tube heater to carry out the defrost time to evaporimeter longer, affect the process of refrigerastion of wind cooling refrigerator, and in defrost process, waste more resource.The frost that evaporimeter condenses generally is melted by the mode of transmission of heat by contact by aluminum pipe heater.Aluminum pipe heater is coiled on the body of evaporimeter, therefore, in whole heating evaporation process, being heated of evaporimeter is relatively more even, but aluminum pipe heater is only be coiled on the surface around evaporimeter, the bottom of evaporimeter is not heated, and therefore the frost of base of evaporator cannot be melted completely.
Therefore, a kind of wind cooling refrigerator defrosting system wind cooling refrigerator is needed in market badly, can ensure that the frost at each position of evaporator external is melted in defrost process more even, the time needed for defrost is shorter, and the phenomenon of aged deterioration can not appear in evaporimeter because being heated for a long time.
Utility model content
An object of the present utility model is, a kind of wind cooling refrigerator defrosting system is proposed, cannot melt completely with the frost solving base of evaporator or the top existed in existing wind cooling refrigerator, and the problem of the too high evaporimeter aged deterioration caused of evaporimeter local temperature caused because the defrost heater time is long.
Another object of the present utility model is, proposes a kind of wind cooling refrigerator, and this wind cooling refrigerator is provided with above-mentioned wind cooling refrigerator defrosting system.
For reaching this object, the utility model by the following technical solutions:
A kind of wind cooling refrigerator defrosting system, comprise freezer evaporator, described freezer evaporator is provided with refrigerating chamber defrost assembly, and described refrigerating chamber defrost assembly comprises the first defrost parts being located at described freezer evaporator bottom part down respectively and the second defrost parts be located on described freezer evaporator sidewall; Described first defrost parts are connected with circuit control panel by controller with the second defrost parts.
Further, also comprise at least one and be located at temperature fuse on described freezer evaporator, described temperature fuse is connected with described circuit control panel.
Further, also comprise at least one temperature sensor, described temperature sensor is located on the reservoir above described freezer evaporator; Described temperature sensor is connected with described circuit control panel.
Preferably, described second defrost parts are coil arrangement; Described second defrost parts are located at least one side wall surface of described freezer evaporator.
Preferably, described controller is relay; Described controller is used for controlling described first defrost parts and the unlatching of the second defrost parts respectively or cutting out.
A kind of wind cooling refrigerator, described wind cooling refrigerator is provided with wind cooling refrigerator defrosting system as above.
The beneficial effects of the utility model are: the refrigerating chamber defrost assembly of the application comprises the first defrost parts being located at freezer evaporator bottom part down and the second defrost parts be located on freezer evaporator sidewall, refrigerating chamber defrost assembly can heat the bottom of freezer evaporator and sidewall respectively respectively, entirety on freezer evaporator is heated more even, avoids and occur the phenomenon that local frost cannot be melted in defrost process.
Owing to being provided with the second defrost parts on the sidewall of freezer evaporator, solve in prior art long owing to only arranging the defrost time that defrosting device causes in bottom, and then cause the phenomenon occurring aged deterioration bottom freezer evaporator owing to being heated for a long time; Simultaneously owing to carrying out heating defrost at the sidewall of freezer evaporator and bottom simultaneously, make the time of defrost shorter, save a large amount of resources and energy.
Wind cooling refrigerator in the utility model is provided with above-mentioned wind cooling refrigerator defrosting system, therefore the defrost better effects if of this wind cooling refrigerator, freezer evaporator is better to the refrigeration of air, effectively ensures the use of refrigerator, Consumer's Experience is better, greatly strengthens the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wind cooling refrigerator defrosting system freezer evaporator assembly that the utility model embodiment one proposes;
Fig. 2 is the wind cooling refrigerator internal structure schematic diagram that the utility model embodiment three proposes.
In figure:
1, freezer evaporator; 2, the second defrost parts; 3, the first defrost parts; 4, temperature fuse; 5, temperature sensor; 6, refrigerating chamber blower fan; 7, condenser; 8, refrigerating chamber blower fan; 9, refrigerator evaporator; 10, magnetic valve; 11, compressor.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment one
As Fig. 1, shown in composition graphs 2, be the structure of freezer evaporator part in a kind of wind cooling refrigerator defrosting system of the present embodiment proposition, comprise freezer evaporator 1, described freezer evaporator 1 is provided with refrigerating chamber defrost assembly.Refrigerating chamber defrost assembly is used for when wind cooling refrigerator carries out defrost process, carries out heating defrost to wind cooling refrigerator freezer evaporator 1.As further embodiment, described refrigerating chamber defrost assembly comprises the first defrost parts 3 being located at described freezer evaporator 1 bottom part down respectively and the second defrost parts 2 be located on described freezer evaporator 1 sidewall.In the present embodiment, refrigerating chamber defrost assembly only comprises the first defrost parts 3 and the second defrost parts 2, but be not merely only confined to only comprise above-mentioned two defrost parts in specific implementation process, defrost parts can also be set on other positions of freezer evaporator 1.
As further embodiment, described first defrost parts 3 are connected with circuit control panel by controller with the second defrost parts 2.Circuit control panel is write in advance preset program to regulate for controlling the ruuning situation of controller to the first defrost parts 3 and the second defrost parts 2.Preferably, described controller is relay, and described controller is used for controlling described first defrost parts and the unlatching of the second defrost parts respectively or cutting out.
Wind cooling refrigerator defrosting system in the present embodiment also comprises at least one and be located at temperature fuse 4 on described freezer evaporator 1, described temperature fuse 4 is connected with described circuit control panel.Temperature fuse 4 is connected on the circuit for providing the heater of temperature to defrost parts, more specifically for being connected on the live wire of heater, for disconnecting the heater circuit of heater when not needing to use defrost parts.Simultaneously when in heater heating process, when temperature is higher than 77 DEG C, temperature fuse 4 fuses and to be disconnected by heater circuit.But the quantity of temperature fuse 4 is not limited in one; can also be provided with multiple, and in use, when fusing-off temperature higher than temperature fuse 4 of the temperature of any position; temperature fuse 4 will fuse, to protect the safety in utilization of freezer evaporator 1.
As further embodiment, also comprise at least one temperature sensor 5, described temperature sensor 5 is located on the reservoir above described freezer evaporator 1, and described temperature sensor 5 is connected with described circuit control panel.Temperature around the freezer evaporator 1 that temperature sensor 5 is detected passes to circuit control panel, and circuit control panel controls other all parts according to the temperature that temperature sensor 5 transmission is come and carries out work.
As one preferred embodiment, described second defrost parts 2 are coil arrangement.Described second defrost parts 5 are located at least one side wall surface of described freezer evaporator 1.On a side wall surface of freezer evaporator 1, arrange second defrost parts 5 under normal conditions namely can realize carrying out heating defrost process to freezer evaporator 1 uniformly.If but when freezer evaporator 1 is larger, can all arrange the second defrost parts 2 on two or three side wall surfaces of freezer evaporator 1, to carry out more effectively gentle homogeneous heating defrost to freezer evaporator 1.
Wind cooling refrigerator defrosting system in certain the present embodiment also comprises refrigerator evaporator defrosting system part, at least one sidewall of refrigerator evaporator 9 is provided with refrigerating chamber defrost parts, also can arrange refrigerating chamber defrost parts on two or three side wall surfaces of refrigerator evaporator 9 when refrigerator evaporator 9 volume is larger.
Equally, refrigerator evaporator is also provided with temperature sensor and temperature fuse, and temperature sensor is also connected with circuit control panel with temperature fuse.Refrigerating chamber defrost parts and refrigerating chamber defrost assembly separate, controlled by circuit control panel respectively.
Refrigerating chamber defrost assembly in the present embodiment comprises the first defrost parts being located at freezer evaporator bottom part down and the second defrost parts be located on freezer evaporator sidewall, first defrost parts can heat the bottom of freezer evaporator and sidewall respectively respectively, entirety on freezer evaporator is heated more even, avoids and occur the phenomenon that local frost cannot be melted in defrost process.
Owing to being provided with the second defrost parts on the sidewall of freezer evaporator, solve in prior art long owing to only arranging the defrost time that defrosting device causes in bottom, and then cause the phenomenon occurring aged deterioration bottom freezer evaporator owing to being heated for a long time; Simultaneously owing to carrying out heating defrost at the sidewall of freezer evaporator and bottom simultaneously, make the time of defrost shorter, save a large amount of resources and energy.
Embodiment two
Present embodiment discloses a kind of wind cooling refrigerator defrosting system control method, for controlling the wind cooling refrigerator defrosting system as described in embodiment one.Concrete control method is: when wind cooling refrigerator enters into the defrost stage, and circuit control panel controls controller and opens the first defrost parts, the second defrost parts successively.
As further control program, write-in program in advance in circuit control panel, described second defrost parts are made to be V1 from being opened into the speed being more than or equal to temperature rising the first predetermined temperature process, described first defrost parts are V2 from being opened into the speed being more than or equal to temperature rising the second predetermined temperature process, and ensureing that temperature is in uphill process, speed V1 is less than speed V2.
When the temperature that temperature sensor detects on described freezer evaporator is more than or equal to the first predetermined temperature, circuit control panel controls controller and stops described second defrost parts to run.Wherein, described first predetermined temperature is 0 ± 0.5 DEG C.Namely temperature sensor detects the temperature on freezer evaporator, and temperature value is passed to circuit control panel, when circuit control panel detects that the temperature value that temperature sensor passes over is more than or equal to 0 ± 0.5 DEG C, circuit control panel controls the operation that controller stops the second defrost parts.
When the temperature that temperature sensor detects on described freezer evaporator reaches the second predetermined temperature, circuit control panel controls controller and stops the first defrost parts to run.Preferably, described second predetermined temperature is 8 ± 0.5 DEG C.Temperature sensor detects the temperature on freezer evaporator, and temperature value is passed to circuit control panel, when circuit control panel detects that the temperature value that temperature sensor passes over is more than or equal to 8 ± 0.5 DEG C, circuit control panel controls the operation that controller stops the first defrost parts.
Above-mentioned control method, can make when temperature is in continuous uphill process, first the second defrost parts quit work, and then the first defrost parts quit work again.Because after the second defrost parts unlatching, temperature ramp de speed is slower, first defrost parts are opened rear temperature and are risen very fast, therefore the second defrost parts can be gentle, uniformly heating defrost is carried out to freezer evaporator, and the first defrost parts can heat defrost fast to the bottom of freezer evaporator.
After the first defrost parts and the second defrost parts all quit work, defrost process completes, and the water on freezer evaporator enters the stage of dripping, by outside the water discharge system of melts on freezer evaporator.
Because the control method in the present embodiment opens the first defrost parts being located at bottom and the second defrost parts being located at freezer evaporator sidewall successively, and the speed that the temperature of the first defrost parts rises is greater than the speed that the second defrost part temperatures rises, what make the temperature in the defrost process of freezer evaporator on freezer evaporator sidewall increase is more even, the bottom temp of freezer evaporator rises very fast simultaneously, and the frost of tentatively having melted can be made to accelerate to melt.First defrost parts and the second defrost parts match, and the frost on freezer evaporator can evenly, fast, thoroughly be melted, defrost better effects if.
Embodiment three
As shown in Figure 2, be a kind of wind cooling refrigerator that the present embodiment proposes, this wind cooling refrigerator is provided with the wind cooling refrigerator defrosting system as described in embodiment one.In this wind cooling refrigerator except being provided with the wind cooling refrigerator defrosting system in embodiment one, be also provided with for carrying the refrigerating chamber blower fan 6 of refrigerating chamber cold wind in refrigerating chamber, carry the refrigerating chamber blower fan 8 of refrigerating chamber cold wind, condenser 7, magnetic valve 10 and compressor 11 in refrigerating chamber.
When the temperature in refrigerating chamber and refrigerating chamber is all greater than set temperature value, compressor 11 starts, and freezer evaporator 1 and refrigerator evaporator 9 start refrigeration.After refrigeration starts, refrigerating chamber blower fan 6 and refrigerating chamber blower fan 8 bring into operation, and now, freezer evaporator 1 and refrigerator evaporator 9 start frosting.After the temperature in refrigerating chamber and refrigerating chamber reaches set temperature value, circuit control panel control compressor 11 is shut down.Freezer evaporator 1 and refrigerator evaporator stop refrigeration, refrigerating chamber blower fan 6 and refrigerating chamber blower fan 8 out of service.The defrost stage is entered into after refrigerating operaton completes, circuit control panel controls the first defrost parts 3 and the second defrost parts start successively, and to be more than or equal to the speed that temperature the first predetermined temperature process rises be V1 from being opened into control the second defrost parts 2, described first defrost parts 3 are V2 from being opened into the speed reaching temperature rising the second predetermined temperature process, and ensureing that temperature is in uphill process, speed V1 is less than speed V2.When circuit control panel detects that the temperature value that temperature sensor passes over is more than or equal to 0 ± 0.5 DEG C; Circuit control panel controls the operation that controller stops the second defrost parts.When circuit control panel detects that the temperature value that temperature sensor passes over is more than or equal to 8 ± 0.5 DEG C, circuit control panel controls the operation that controller stops the first defrost parts.After the first defrost parts and the second defrost parts all quit work, defrost process completes, and the water on freezer evaporator enters the stage of dripping, by outside the water discharge system of melts on freezer evaporator.
Wind cooling refrigerator in the present embodiment is provided with the wind cooling refrigerator defrosting system in embodiment one, therefore the defrost better effects if of this wind cooling refrigerator, freezer evaporator is better to the refrigeration of air, effectively ensures the use of refrigerator, Consumer's Experience is better, greatly strengthens the competitiveness of product in market.
Below describe know-why of the present utility model in conjunction with specific embodiments, these describe just in order to explain principle of the present utility model, can not be interpreted as the restriction to the utility model protection domain by any way.Based on explaining herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (6)
1. a wind cooling refrigerator defrosting system, comprise freezer evaporator (1), described freezer evaporator (1) is provided with refrigerating chamber defrost assembly, it is characterized in that: described refrigerating chamber defrost assembly comprises the first defrost parts (3) being located at described freezer evaporator bottom part down respectively and the second defrost parts (2) be located on described freezer evaporator sidewall;
Described first defrost parts (3) are connected with circuit control panel by controller with the second defrost parts (2).
2. wind cooling refrigerator defrosting system according to claim 1, it is characterized in that: also comprise at least one and be located at temperature fuse (4) on described freezer evaporator, described temperature fuse (4) is connected with described circuit control panel.
3. wind cooling refrigerator defrosting system according to claim 1, it is characterized in that: also comprise at least one temperature sensor (5), described temperature sensor (5) is located on the reservoir of described freezer evaporator (1) top;
Described temperature sensor (5) is connected with described circuit control panel.
4. wind cooling refrigerator defrosting system according to claim 1, is characterized in that: described second defrost parts (2) are coil arrangement;
Described second defrost parts (2) are located at least one side wall surface of described freezer evaporator (1).
5. wind cooling refrigerator defrosting system according to claim 1, is characterized in that: described controller is relay;
Described controller is used for controlling described first defrost parts (3) and the unlatching of the second defrost parts (2) respectively or cutting out.
6. a wind cooling refrigerator, is characterized in that: described wind cooling refrigerator is provided with the wind cooling refrigerator defrosting system according to any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648576.4U CN204313551U (en) | 2014-10-31 | 2014-10-31 | A kind of wind cooling refrigerator defrosting system and wind cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648576.4U CN204313551U (en) | 2014-10-31 | 2014-10-31 | A kind of wind cooling refrigerator defrosting system and wind cooling refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN204313551U true CN204313551U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420648576.4U Expired - Fee Related CN204313551U (en) | 2014-10-31 | 2014-10-31 | A kind of wind cooling refrigerator defrosting system and wind cooling refrigerator |
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| CN (1) | CN204313551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390415A (en) * | 2014-10-31 | 2015-03-04 | 合肥晶弘电器有限公司 | Defrosting system of air-cooled refrigerator, control method for defrosting system and air-cooled refrigerator |
| CN109489181A (en) * | 2018-11-19 | 2019-03-19 | 泰豪科技股份有限公司 | A kind of control circuit and dehumidifier |
-
2014
- 2014-10-31 CN CN201420648576.4U patent/CN204313551U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390415A (en) * | 2014-10-31 | 2015-03-04 | 合肥晶弘电器有限公司 | Defrosting system of air-cooled refrigerator, control method for defrosting system and air-cooled refrigerator |
| CN109489181A (en) * | 2018-11-19 | 2019-03-19 | 泰豪科技股份有限公司 | A kind of control circuit and dehumidifier |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151031 |
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| EXPY | Termination of patent right or utility model |