CN1202606A

CN1202606A - Refrigerator for discharging cool air from door

Info

Publication number: CN1202606A
Application number: CN 97114959
Authority: CN
Inventors: 金亨宽
Original assignee: Daewoo Electronics Co Ltd
Current assignee: WiniaDaewoo Co Ltd
Priority date: 1997-06-14
Filing date: 1997-06-14
Publication date: 1998-12-23
Anticipated expiration: 2017-06-14
Also published as: CN1122802C

Abstract

A refrigerator has a door duct installed inside a door and being formed with a cool air suction port and many cool air discharge ports which are opened at an inner surface of the door, and a blowing fan installed at the cool air suction port for supplying cool air in a fresh food compartment into the door duct. The cool air in the fresh compartment is directed toward the door by the blowing fan, so the cool air is uniformly distributed in the fresh food compartment. Furthermore, the cool air drawn into the door duct is supplied into pockets formed inner side surface of the door through the cool air discharge port, so the inner space of the pockets are effectively closed.

Description

Discharge the refrigerator of cold air from refrigerator doors

The present invention relates to a kind of refrigerator of from refrigerator doors, discharging cold air, a kind of like this refrigerator of more specifically saying so, wherein the cold air of refrigerating chamber sucks the refrigerator doors conduit that is installed in the refrigerator doors and from this conduit output.

Fig. 1 is the side view of a conventional refrigerator.This refrigerator has: a casing 10 forms the refrigerating chamber 21 and the fresh food 22 that are separated by a dividing plate 27; One refrigerating chamber door 24 and a fresh food door 25, they are ON/OFF refrigerating chamber 21 and fresh food 22 respectively.

One compressor 23 is installed on the lower rear of casing 10, and an evaporimeter 29 is installed in the rear portion of refrigerating chamber 21, and the cold-producing medium that provides by vapor-compression machine 23 produces cold air.One cooling fan 19 is installed in the top of evaporimeter 29, sends the cold air that is produced by evaporimeter 29.

Some

cold air outlets

16,18 are arranged on the squab panel of refrigerating chamber 21 and fresh food 22.When refrigerator doors 25 is closed, come the Quilt with air conditioning cooling fan 19 of flash-pot 29 to send, supply with refrigerating chamber 21 and fresh food 22, thereby the food of being stored in refrigerating chamber 21 and the fresh food 22 is frozen respectively and refrigerates.

Yet, in a kind of like this conventional refrigerator,, thereby there is a problem because cold air derives from the rear of refrigerator, be that cold air is not even distribution in fresh food 22, so the food that is stored in the fresh food may cool off not enough or cold excessively because of their position.Especially, because the volume of refrigerator has the trend of increase, the maintenance temperature constant in fresh food 22 is more and more difficult.Like this, proposed a kind of refrigerator that adopts so-called three-dimension type, wherein cold air is discharged by the sidewall paneling and the squab panel of fresh food 22.In three-dimensional refrigerator, the skewness of cold air is overcome substantially.

But a kind of so three-dimensional refrigerator brings a kind of problem again, and the position of contiguous refrigerator doors can't be cooled off effectively.When refrigerator doors was opened, the position of contiguous refrigerator doors particularly was positioned at the inner surface of refrigerator doors, was used to place the inner space of the storage thing lattice of food, contact with outside air, so the temperature at such position raise at short notice.Yet in three-dimensional refrigerator, the inner space of the position of contiguous refrigerator doors and storage thing lattice can not be directly cooled, and can't reach Rapid and uniform cooling.So, a kind of refrigerator is proposed again, provide cold air by provide cold air to cause by refrigerator doors from the four sides wallboard.

Fig. 2 is a kind of drawing in side sectional elevation of the conventional refrigerator by the four sides air supply mode.Adopt the refrigerator of four sides air supply mode, have a fresh food conduit 45, it extends to three wallboards of fresh food 42, and a refrigerator doors conduit 49 is in order to provide cold air path in refrigerator doors 47.This refrigerator doors conduit 49 and fresh food conduit 45 are interconnected by a tube connector 50.Fresh food conduit 45 and refrigerator doors conduit 49 have some cool air discharge ports 53 towards fresh food 42.From the cool-air feed fresh food conduit 45 and the refrigerator doors conduit 49 of an evaporimeter (not shown), the cold air of being supplied is discharged by cool air discharge ports 53 afterwards.Like this, cold air is emitted by four wallboards.

But, in a kind of like this conventional refrigerator,, still have a problem though cold air has offered the position of contiguous chamber door and the inner space of storage thing lattice, promptly in fresh food 42, can't reach the abundant effect that keeps even cooling.Particularly in fresh food 42, fill under the state of food, though cold air by discharging in the wallboard of four sides, the air-flow of cold air is hindered, can't be to the centre of fresh food 42 ample supply cold air.And then because refrigerator doors 47 is independent manufacturings with casing 40, outside connecting refrigerator doors 47 and the tube connector 50 of body 40 being exposed to mutually, in long-term use, tube connector 50 can damage, and causes the leakage of cold air.

Proposition of the present invention is in order to overcome the problems referred to above of prior art, therefore purpose of the present invention provides a kind of refrigerator, wherein the position of contiguous refrigerator doors can be cooled off rapidly with the inner space that is positioned at the storage thing lattice at refrigerator doors place in the refrigerating chamber, and cold air can evenly distribute in refrigerating chamber.

For achieving the above object, the invention provides a kind of refrigerator, this refrigerator has: one forms the casing of refrigerating chamber, one refrigerator doors, be used for the opening of the described refrigerating chamber of ON/OFF, described refrigerator comprises: one is installed in the refrigerator doors conduit of described refrigerator doors inside, and described refrigerator doors conduit has a cold air sucting inlet and is positioned at some cool air discharge ports of the inner surface of described refrigerator doors; One blowing fan is installed in the cold air sucting inlet place, in order to the cold air in the described refrigerating chamber is fed in the described refrigerator doors conduit.

Here, an open/close device that is used for detecting described refrigerator doors is installed in the refrigerator, and only when described checkout gear detected described refrigerator doors and closes, described blowing fan just turned round.

In addition, the position that is used for detecting contiguous described refrigerator doors also is housed and away from the device of the temperature at the position of described refrigerator doors in refrigerating chamber, when the temperature at the position of contiguous refrigerator doors is higher than temperature away from the position of described refrigerator doors, and when described temperature-detecting device detect temperature in the described refrigerating chamber be lower than one that be set by the user, during corresponding to the temperature of intensity of cooling, the controlled running of described blowing fan.

The present invention will be by being understood below in conjunction with the description of accompanying drawing better, and its various purposes and advantage more fully are familiar with, wherein:

Fig. 1 is a conventional refrigerator side view;

Fig. 2 is the conventional refrigerator drawing in side sectional elevation of a four sides air supply mode;

Fig. 3 is a side view of the present invention; And

Fig. 4 is the inboard figure of the refrigerator doors among Fig. 3.

Below, will be described in detail with reference to the attached drawings the present invention.

Fig. 3 is a side view of the present invention, and Fig. 4 is the inboard figure of the refrigerator doors among Fig. 3.According to refrigerator of the present invention, conventional refrigerator as shown in Figure 1 is the same, has: a casing 60 forms a refrigerating chamber 71 and the fresh food 72 separated by a dividing plate 77; One refrigerating chamber door 74 and a fresh food door 75, this refrigerating chamber 71 of ON/OFF and fresh food 72 respectively.

Each

refrigerator doors

74,75 is hingedly mounted on the casing 60.At the inner surface of fresh food door 75, be formed with the storage thing lattice 76 that are used for placing food.

One compressor 73 is installed in the lower rear of casing 60, and an evaporimeter 79 is installed in the rear portion of this refrigerating chamber 71, and this evaporimeter is by the cold-producing medium generation cold air of evaporation from compressor 73.Above evaporimeter 79, a cooling fan 69 is installed, it will be blown away by the cold air that evaporimeter 79 produces, thereby to refrigerating chamber 71 and fresh food 72 supply cold air.

Some cold air mouths 68 are positioned on the squab panel of fresh food 72, some opening (not shown) are positioned on the side wall panel of fresh food 72, when refrigerator doors 75 is closed, come the cool-air feed fresh food 72 of flash-pot 79, so the food of being stored in the fresh food 72 is cooled promptly.

One refrigerator doors conduit 80 is installed in the inside of fresh food 72, this refrigerator doors conduit 80 vertically is provided with in fresh food door 75, this refrigerator doors conduit also has: a cold air sucting inlet 83, and this suction inlet is opened the centre in fresh food refrigerator doors 75; And cool air discharge ports 81, they open the upper and lower at this fresh food door 75.One blowing fan 90 is installed in cold air sucting inlet 83 places.This blowing fan 90 is with the cool-air feed refrigerator doors conduit 80 in the fresh food 72.The cold air of supplying with refrigerator doors conduit 80 enters fresh food by cool air discharge ports 81.

One press button 91 is installed in the front surface of fresh food 72.Button switch 91 is compressed by chamber door 75 when chamber door 75 is closed, and is released when chamber door 75 is opened.One microprocessor (not shown) is installed in the refrigerator, and it detects when press button 91 unclamps, and refrigerator doors 75 is unlocked.When detecting refrigerator doors by press button 91 and close, just running of blowing fan 90.So suck cold air by cold air sucting inlet 83, and, only when refrigerator doors 75 is closed, just carry out by cool air discharge ports 81 supply cold air.

Two

temperature sensors

93,95 are installed in the fresh food 72.Temperature sensor 63,65 form refrigerator doors temperature sensor 93, the inner surface setting of its contiguous chamber door 75, to detect the temperature at the position of contiguous refrigerator doors 75 in the fresh food 72, the rear inner surface setting of the contiguous fresh food 72 of one refrigerator temperature sensor 95 is to detect in the fresh food 72 temperature away from the position of refrigerator doors 75.These two

temperature sensors

93,95 detected respectively temperature are imported in the microprocessor, when the temperature difference of these two temperature has surpassed a predetermined value, that is to say, if be higher than temperature by the position of the back of refrigerating chamber sensor 95 detected fresh food by the temperature at the position of refrigerator doors temperature sensor 93 detected contiguous refrigerator doors, and when surpassing predetermined value, microprocessor driven blowing fan 90 is to refrigerator doors conduit 80 supply cold air.

Operation and effect according to refrigerator of the present invention will be described below.

When press button 91 detects refrigerator doors 75 and opens, the running of the out-of-blast fan 90 of microprocessor, and do not consider by the measured temperature of temperature sensor 93,95.When press button 91 detected refrigerator doors 75 and is closed, microprocessor made blowing fan 90 and cooling fan 69 runnings according to the temperature that is recorded by temperature sensor 93,95.That is to say, if in the fresh food 72, by temperature sensor 93, when 95 measured temperature are lower than the temperature of the intensity of cooling of setting corresponding to the user, if and be higher than temperature in the fresh food 72 that records by refrigerating chamber refrigerator doors sensor 95 by the temperature that refrigerator doors temperature sensor 93 records, and when having surpassed predetermined value, blowing fan 90 and cooling fan 69 runnings.During this period, cold air is drained in the fresh food 72 by each wallboard by each cold air opening 68, and the cold air of suction refrigerator doors conduit 80 by the running of blowing fan 90 by the cool air discharge ports 81 of refrigerator doors 75, is discharged from the inner surface of refrigerator doors 75.So cold air is subsisted by four sides in the fresh-keeping chamber 72, i.e. the squab panel of food fresh-keeping chamber 72, the inner surface of two sidewall panelings and refrigerator doors 75 is sent in the fresh food 72.

Because the cold air in the blowing fan 90 suction fresh food 72, by the Quilt with air conditioning guiding refrigerator doors 75 of the inboard supply of fresh food 72, so cold air is dispersed evenly in the fresh food 72.Also have, because from the storage thing lattice 76 of the cool-air feed chamber door 75 of cool air discharge ports 81, the food of being placed in the storage thing lattice 76 is cooled.

As mentioned above, according to the present invention because from refrigerator doors supply cold air, in the refrigerating chamber on the position of contiguous refrigerator doors and the refrigerator doors inner space of formed storage thing lattice can be cooled off rapidly, the cold air uniformly dispersing is in refrigerating chamber.And then owing to do not need extra tube connector to supply cold air to refrigerator doors, the cooling gas leakage that causes because of the damage of tube connector just can not take place.

Though the present invention has done to describe in detail and explanation, should know and recognize that above-mentioned situation does not define and should not be counted as just diagram and example, the spirit and scope of the invention are only limited by appended claim.

Claims

1. refrigerator has a casing that forms a refrigerating chamber, and a refrigerator doors is used for the opening of the described refrigerating chamber of ON/OFF, and described refrigerator comprises:

Be installed in the refrigerator doors conduit in the described refrigerator doors, described refrigerator doors conduit has a cold air sucting inlet and is positioned at some cool air discharge ports of described refrigerator doors inner surface;

One blowing fan is installed in the cold air sucting inlet place, in order to the cold air in the described refrigerating chamber is fed in the described refrigerator doors conduit.

2. refrigerator as claimed in claim 1 is characterized in that described cold air sucting inlet is located at the centre of described refrigerator doors.

3. refrigerator as claimed in claim 2 is characterized in that, described cold air enters the position, above and below that mouth is arranged on described refrigerator doors.

4. refrigerator as claimed in claim 1 further comprises one and it is characterized in that in order to detect the open/close device of described refrigerator doors, and only when closing of described refrigerator doors detected by described checkout gear, described blowing fan just turned round.

5. refrigerator as claimed in claim 4 is characterized in that, described checkout gear is a press button, and when described refrigerator doors was closed respectively and opened, this switch was compacted and unclamp.

6. refrigerator as claimed in claim 4, it is characterized in that, also comprise a position of detecting contiguous described refrigerator doors and away from the device of the temperature at the position of described refrigerator doors, wherein when the temperature at the position of contiguous described refrigerator doors is higher than temperature away from the position of described refrigerator doors, the controlled running of described blowing fan.

7. refrigerator as claimed in claim 6 is characterized in that, when the temperature in the described refrigerating chamber that described temperature-detecting device records is lower than the temperature of the intensity of cooling of setting corresponding to the user, and the controlled running of described blowing fan.

8. refrigerator as claimed in claim 6 is characterized in that, described temperature-detecting device comprises:

One refrigerator doors temperature sensor, it is arranged on the place of close described refrigerator doors in the described refrigerating chamber; And

One refrigerator temperature sensor, it is arranged on the sidewall paneling relative with described refrigerator doors in the described refrigerating chamber.