CN2919143Y

CN2919143Y - Humidity automatically controlled refrigerator

Info

Publication number: CN2919143Y
Application number: CNU2006200694333U
Authority: CN
Inventors: 周小天; 朱启武; 朱卫忠; 冯骏宏
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd
Priority date: 2006-02-21
Filing date: 2006-02-21
Publication date: 2007-07-04
Anticipated expiration: 2016-02-21

Abstract

The utility model discloses an automatic humidity control refrigerator; the refrigerator includes a refrigerating chamber consisting of an insulation case. A refrigerating chamber evaporator and a water groove for frost water are arranged between the rear wall of the refrigerating chamber and the insulation layer. A pump device takes the water from the water groove to the evaporator, the fan takes the water air produced by evaporator, which not only ensures the humidity inside the refrigerating chamber, but also uses the frost melting water inside the refrigerating chamber to realize the food preservation inside the refrigerating chamber.

Description

The refrigerator of automatic controlled humidity

[technical field]

The utility model relates to a kind of refrigerator, refers in particular to a kind of refrigerator that can control the humidity of cold compartment of refrigerator automatically.

[background technology]

Refrigerator, especially household electric refrigerator are used to store various food by the user in daily life; When a large amount of food of the disposable purchase of user and when being stored in the refrigerator, ruing out of these food may need the long time; Therefore, how to make these food guaranteeing the quality before being consumed fresh-keeping, just become an important topic in the refrigerator design.Studies show that: temperature in the cold storage chamber of refrigerator and humidity are to influence food two the fresh-keeping principal elements of guaranteeing the quality, and controlling temperature and humidity well just can the storage time of food and extend in refrigerating chamber in desirable scope.

The refrigeration modes of common household electric refrigerator has two kinds: air-cooled and direct-cooled.Air cooling type refrigerator is by forcing the cold wind circulation and freeze, and the food in the refrigerating chamber is very easily air-dry by cold wind, thereby makes food lose that it is original fresh.As improvement, China utility model patent ZL00227675.5 has disclosed a kind of air-cooled refrigerator of preserving moisture, with reference to figure 1, an ater storage box that is connected in evaporimeter defrost water is set in that this refrigerator storage is indoor, many screenings shape water accepting layer is installed in the ater storage box, a fan towards water accepting layer is set at the air outlet place of refrigerating chamber with the air in the humidification refrigerating chamber.The defective of this design is: the water absorbing properties of water accepting layer is received the pondage of defrost water in the ater storage box and the influence in water accepting layer service life, and the long-term back water accepting layer that uses may be ineffective, thereby influence its humidification effect.For direct cooling refrigerator, the factor that causes refrigerating chamber humidity to reduce mainly contains two: the one, and coagulating of forming on the freezer wall causes refrigerating the indoor air humidity reduction after white water is discharged from by the osculum on the inwall; The 2nd, door dry air of outside when opening of refrigerating chamber enters and causes refrigerating the indoor air humidity reduction.These two factors all are difficult to avoid in the use of refrigerator and can take place, so thereby the humidity of refrigerating chamber can reduce and makes food lose that it is original fresh always.

Chinese invention patent application ZL03137160.4 has disclosed another kind of family expenses temperature and humidity control refrigerator and control method thereof, this refrigerator has disclosed a humidity cooling cycle system, with reference to figure 2, the wet device of increase by one humidity control is controlled and is added gentle dehumidifying evaporimeter in control system.But this patent application does not have to disclose in detail the concrete structure of humidity cooling cycle system.

[summary of the invention]

The purpose of this utility model is to provide the refrigerator of air in a kind of frost-melting water humidification refrigerating chamber that utilizes in the cold storage chamber of refrigerator.

For achieving the above object, a kind of refrigerator of the present utility model comprises a refrigerating chamber that is enclosed to form by insulation shell, the hopper of the frost-melting water that between the rear wall of this refrigerating chamber and insulating barrier, produces in refrigerator evaporator of installing and the storage refrigerating chamber, a draw-out device is drawn into frost-melting water on this evaporimeter by a pipeline that is arranged between this hopper and this evaporimeter, and a fan will be discharged in the refrigerating chamber through the air of frost-melting water humidification.

As further improvement of the utility model, this refrigerator is a kind of derect refrigerated refrigerator; This draw-out device is a pump; The drip tray that this refrigerator also comprises a compressor and is positioned at the compressor top; An overfall is set on this ater storage box, and unnecessary frost-melting water is discharged to the drip tray on the compressor by drainage pipeline and is evaporated.

As further improvement of the utility model, this fan is arranged at the top of this evaporimeter, and by the opening on the rear wall that is arranged at refrigerating chamber humidifying air is discharged; The rear wall of this refrigerating chamber partly is processed into netted check pattern, and the cohesion of being convenient to frost-melting water forms; On this evaporimeter atomizer is set, or heater, is drawn into frost-melting water on the evaporimeter with gasification.

As further improvement of the utility model,, this hopper is made with fungi-proofing material, as nano material; A humidity sensor of measuring humidity is set in the refrigerating chamber.

The beneficial effect of refrigerator of the present utility model is: because frost-melting water is recycled again after being drawn on the evaporimeter and is used for humidifying air, both guaranteed that material refrigeration room air had certain humidity, made full use of the frost-melting water that produces in the refrigerating chamber again, thereby realized fresh-keeping guaranteeing the quality for a long time of food in the refrigerating chamber.

[Brief Description Of Drawings]

Fig. 1 is a kind of schematic diagram of existing air-cooled refrigerator;

Fig. 2 is the schematic diagram of another kind of existing refrigerator;

Fig. 3 is the schematic diagram of a kind of embodiment of refrigerator of the present utility model.

[specific embodiment]

Referring to Fig. 3, the derect refrigerated refrigerator 1 of a kind of embodiment of the utility model comprises the refrigerating chamber 13 that is enclosed the refrigerating chamber 3 that forms and be positioned at refrigerating chamber 3 belows by insulation foaming layer 2.But a side of refrigerating chamber 3 and refrigerating chamber 13 is by the door body sealing of folding.Form a chamber at the following rear of refrigerating chamber 13 and be used to accommodate compressor 10, a drip tray 11 is set above compressor 10, the frost-melting water of deriving from refrigerating chamber 3 is collected in this drip tray 11 and by the waste heat that compressor 10 comes out and evaporates.

Refrigerator evaporator 5 is installed between insulation foaming layer 2 and the refrigerating chamber rear wall 4, and a hopper 6 is set below refrigerator evaporator 5.One side of hopper 6 is by an opening and a refrigerating chamber internal communication that is opened on the refrigerating chamber rear wall 4, and the frost-melting water that forms on refrigerating chamber rear wall 4 converges in the hopper 6 by this opening; The opposite side of hopper 6 is offered an overfall, and the frost-melting water that overflows in the hopper 6 can be exported in the drip tray 11 by a conduit 14.Between hopper 6 and refrigerator evaporator 5, be connected a pipeline 9, on pipeline 9, connecting a draw-out device 7, this draw-out device 7 can be drawn into the frost-melting water in the hopper 6 on the refrigerator evaporator 5, and in the present embodiment, this draw-out device 7 can be a pump.Can install atomizer or heater on the refrigerator evaporator 4, be drawn into frost-melting water on the evaporimeter 4 to quicken gasification or atomizing.A fan 8 is set above refrigerator evaporator 5, and fan 8 can be drawn into the air through humidification in the refrigerating chamber 3 by being arranged near fan 8 openings.

A humidity sensor 12 is set in refrigerating chamber 3, and when air humidity was lower than predetermined value in the refrigerating chamber 3 that humidity sensor 12 detects, the humidification system of refrigerator 1 was started working.This moment, draw-out device 7 was drawn on the refrigerator evaporator 5 atomizing or gasification with humidifying air with the frost-melting water in the hopper 6, and fan 8 begins to rotate and will be drawn in the refrigerating chamber 3 through the air of humidification simultaneously.After humidification system work a period of time, when air humidity reached predetermined value in the refrigerating chamber 3 that humidity sensor 12 detects, humidification system quit work.Therefore, by the intermittent start of humidification system, the humidity in the refrigerating chamber 3 is controlled among the predetermined scope, thereby helps guaranteeing the quality of food long period in the refrigerating chamber 3 fresh-keeping.

For the ease of on refrigerating chamber rear wall 4, forming frost-melting water, can on rear wall 4, process netted check pattern 40; Hopper 6 can be made with fungi-proofing material, as nano material or electroplate.

It may be noted that humidification system of the present utility model equally also can be applied to air-cooled refrigerator, this moment, the cold wind circulating fan of air-cooled refrigerator can double as be discharged to humidification fan in the refrigerating chamber with humidifying air.

Claims

1. the refrigerator of an automatic controlled humidity (1), it comprises a refrigerating chamber (3) that is enclosed to form by insulation shell (2), an installing refrigerator evaporator (5) between the rear wall (4) of this refrigerating chamber and insulating barrier, and the hopper (6) of the frost-melting water that produces in storage refrigerating chamber, it is characterized in that, a draw-out device (7) is drawn into frost-melting water on this evaporimeter, and a fan (8) will be directed in the refrigerating chamber through the air of frost-melting water humidification.

2. refrigerator as claimed in claim 1 is characterized in that, this draw-out device (7) is drawn into frost-melting water on this evaporimeter by a pipeline (9) that is arranged between this hopper (6) and this evaporimeter (5).

3. refrigerator as claimed in claim 2 is characterized in that, this refrigerator is a kind of derect refrigerated refrigerator.

4. as claim 2 or 3 described refrigerators, it is characterized in that this draw-out device (7) is a pump.

5. refrigerator as claimed in claim 4 is characterized in that, the drip tray (11) that this refrigerator also comprises a compressor (10) and is positioned at the compressor top; An overfall is set on this hopper (6), and unnecessary frost-melting water is discharged to the drip tray (11) on the compressor (10) by drainage pipeline and is evaporated.

6. as claim 2 or 3 described refrigerators, it is characterized in that this fan (8) is arranged at the top of this evaporimeter (5), and humidifying air is discharged by the opening on the rear wall (4) that is arranged at refrigerating chamber.

7. as claim 2 or 3 described refrigerators, it is characterized in that the rear wall of this refrigerating chamber (4) partly is processed into netted check pattern (40), the cohesion of being convenient to frost-melting water forms.

8. as claim 2 or 3 described refrigerators, it is characterized in that this evaporimeter is provided with atomizer on (5), or heater, be drawn into frost-melting water on the evaporimeter with gasification.

9. as claim 2 or 3 described refrigerators, it is characterized in that this hopper is made with fungi-proofing material, as nano material.

10. as claim 2 or 3 described refrigerators, it is characterized in that, a humidity sensor (12) of measuring humidity is set in the refrigerating chamber.