CN101082460A - Three doors refrigerator of evaporator - Google Patents
Three doors refrigerator of evaporator Download PDFInfo
- Publication number
- CN101082460A CN101082460A CN 200610083250 CN200610083250A CN101082460A CN 101082460 A CN101082460 A CN 101082460A CN 200610083250 CN200610083250 CN 200610083250 CN 200610083250 A CN200610083250 A CN 200610083250A CN 101082460 A CN101082460 A CN 101082460A
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- door
- air
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- 238000007710 freezing Methods 0.000 claims description 64
- 230000008014 freezing Effects 0.000 claims description 64
- 238000005192 partition Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
This invention discloses a sort of refrigeration which has three gates and an evaporation, it consists of the chest body, the evaporator, above the chest body there has the folio refrigeration chamber and the safe, below the chest body there has the poikilothermal chamber. This poikilothermal chamber has the configuration that it likes a whole big drawer or it has the big airtight space configuration of the airproof gate and it only fitted an evaporator in the safe. They use the common evaporator in the working of the refrigeration, the deepfreeze, the change of temperature. It adjusts the intake of the indoor space to reach the needed temperature by the fan, the air line and the air door; thereby it saves an evaporator which can change the temperature. Especially the poikilothermal chamber become an alone chamber, it can realize the function of the change of temperature completely and independently. The poikilothermal chamber can progress the continuous regulation from the deepfreeze to the soft refrigeration then to the refrigeration, it can realize the conversion between the deep deepfreeze and the deep refrigeration, and it satisfy the request for the user to the big and wide safe.
Description
Technical Field
The invention relates to a refrigerator, in particular to an air-cooled three-door refrigerator with an evaporator.
Background
Common refrigerating and freezing boxes are widely referred to as double-door double-temperature, three-door three-temperature and cabinet type multi-door refrigerators. The refrigerator is provided with an independent outer door of the freezing chamber, the volume of the freezing chamber is larger and is about 1/4-1/2 of the total volume, and more frozen foods can be stored. Some refrigerating compartments are further provided with compartments and doors to be separately stored according to different storage temperatures of foods.
The flow direction of refrigerant is controlled by electromagnetic valve in refrigeration system such as refrigerator, and refrigerant is supplied to each cold storage (freezing) chamber to cool each space of refrigerator to required temperature. With the improvement of living standard of people, people put forward higher requirements on the refrigerator, for example, in order to enable the refrigerator to be more suitable for the refrigeration of various foods, an ice-cold room (a fruit room and a vegetable room) is additionally arranged on the refrigerator and used for refrigerating foods with higher refrigeration temperature such as fruits, vegetables and the like, so that a three-temperature three-control three-door refrigerator with a compressor for respectively supplying refrigerants appears, and in order to realize the respective refrigeration of three chambers, a one-inlet three-outlet electromagnetic valve is adopted to respectively control the flow directions of the refrigerants. Because the increase of control channels is difficult to realize by a single reciprocating valve core, the existing refrigerator mostly adopts a rotary valve form by using a one-inlet three-outlet electromagnetic valve, the structure of the rotary valve is that three outlets are arranged on the wall of the valve, a stepping motor controls the rotation of the valve core, when the valve core rotates to a certain angle, one outlet pipe is communicated with an inlet pipe, and the other two are closed, thereby achieving the purpose of respectively controlling three channels connected with three chambers. However, the rotary valve has a complex structure and extremely high requirements on machining precision, not only is the manufacturing process complex, but also the domestic machining process is difficult to achieve at present, even if the rotary valve is manufactured, the internal leakage requirement of the valve is difficult to meet, and the requirements on the control precision of the rotation angle of the valve core are also extremely high, and the control circuit is complex, so the manufacturing cost is high.
To address this problem, chinese patent application No. 02286473.3 discloses an improved one-inlet three-outlet solenoid valve for refrigerators, which is characterized in that two reciprocating two-position three-way solenoid valves are connected with the inlet of one valve according to any outlet of the other valve and are fixedly connected into a whole by a rigid connecting plate. The two-position three-way valve can realize the function of one inlet and three outlet valves, can replace a rotary one inlet and three outlet valve with complex structure and control, is used for a three-temperature three-control three-door refrigerator, has simple structure and control, easy processing and manufacturing, small inner leakage and reliable use, and finds a simple and effective refrigerant control electromagnetic valve for supplying refrigerant of the three-temperature three-control three-door refrigerator to a compressor.
The prior art does not have a precedent for using one evaporator for refrigeration, freezing and temperature change, and the defects are needed to be improved.
The common side-by-side combination refrigerator has narrow refrigerating chamber, is not suitable for storing large trays and cannot meet the requirement of American users on large and wide refrigerating chambers.
The common side-by-side combination refrigerator generally has no temperature change chamber, even if the common side-by-side combination refrigerator has the temperature change chamber, the common side-by-side combination refrigerator is placed at the lowest part of a refrigerating chamber, the temperature change function from refrigerating to soft freezing to freezing cannot be realized, the common side-by-side combination refrigerator can only be adjusted between the refrigerating and the soft freezing, the lowest temperature is about-8 ℃, and the requirements of users, particularly American users, cannot be met.
The present invention has been made in view of the above problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an improved three-door refrigerator with one evaporator.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a three-door refrigerator of an evaporimeter, includes box, evaporimeter, its characterized in that: the upper part of the box body is provided with a freezing chamber and a refrigerating chamber which are split, the lower part of the box body is provided with a temperature changing chamber, and only one evaporator is arranged in the freezing chamber.
And a fan is arranged above the evaporator in the freezing chamber.
And a cover plate is arranged at the bottom of the freezing chamber, and an air return channel and an air return opening are formed between the cover plate and the temperature change chamber.
An air duct is also arranged in the freezing chamber, the upper end of the air duct is connected with an air receiving hopper corresponding to the fan, and the lower end of the air duct penetrates through the cover plate to be communicated with the temperature-changing chamber.
The upper part of the temperature-changing chamber is provided with a temperature-changing air inlet communicated with the air duct and a temperature-changing air outlet communicated with the air return duct, and the temperature-changing air inlet is provided with a temperature-changing air door.
And a partition plate is arranged between the freezing chamber and the refrigerating chamber, a refrigerating air inlet door which is led into the refrigerating chamber from the freezing chamber is arranged at the upper part of the partition plate and corresponds to the fan, and a refrigerating air return opening which is communicated with the refrigerating chamber and the freezing chamber is arranged at the lower part of the partition plate.
And a first induction valve (temperature sensor) and a second induction valve (temperature sensor) which can be connected with the refrigerator control part are respectively arranged in the refrigerating chamber and the temperature-changing chamber.
The temperature-changing chamber is of an integral large drawer type structure.
The temperature-changing chamber is a closed large-space structure, and one side of the closed large-space structure facing a user is provided with an integral sealing door.
The temperature-changing chamber is provided with an integral sealing door, one end of the upper side and the lower side of the integral sealing door is provided with a hinge to form a door body which is turned over up and down, or the left side and the right side of the door body are respectively provided with a hinge connected with the side surface of the box body so as to form a split door structure.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
The invention relates to a structure of a three-door refrigerator with an evaporator, wherein a freezing chamber and a refrigerating chamber which are split are arranged at the upper part of a refrigerator body, a temperature changing chamber is arranged at the lower part of the refrigerator body, and only one evaporator is arranged in the freezing chamber. Therefore, the evaporator is commonly used for controlling the temperature in the freezing, refrigerating and temperature changing work, and the required temperature can be achieved by adjusting the air inlet volume of each indoor space by using the fan, the air duct and the air door.
The invention relates to a three-door refrigerator with an evaporator, which is divided into a refrigerating chamber and a freezing chamber, wherein the lower part of the three-door refrigerator is a drawer type or sealed door type temperature changing chamber, thus solving the problem that the common side-by-side combination refrigerator generally has no temperature changing chamber, or even if the temperature changing chamber exists, the three-door refrigerator is arranged at the lowest part of the refrigerating chamber and can not realize the temperature changing function from the refrigerating chamber to the soft freezing chamber to the freezing chamber, the common side-by-side combination refrigerator can only be adjusted between the refrigerating chamber and the soft freezing chamber, the lowest temperature is about-8 ℃, because the soft freezing chamber is released from the refrigerating chamber to form an independent space, the temperature changing function is completely and independently realized, the temperature of the drawer type or sealed door type temperature changing chamber can be continuously adjusted from-18 ℃ to 5 ℃, the indoor temperature can be known through a second induction valve (a temperature sensor) arranged in the temperature changing chamber, and then the, the purpose of controlling the temperature of the temperature-changing chamber can be achieved. Meanwhile, the temperature-changing chamber can be continuously adjusted from cold storage to soft freezing and then to freezing, so that the conversion of large cold storage or large freezing can be realized, for example, the large cold storage in summer and the large freezing in winter.
The three-door refrigerator with the evaporator is designed to be the side-by-side combination door at the upper part, and the integrated large drawer or the integrated sealing door at the lower part, so that the problem that the refrigerating chamber of the common side-by-side combination refrigerator is narrow and is not suitable for storing large trays can be effectively solved, and the requirement of American users on the large and wide refrigerating chamber is met.
In addition, the air duct of the three-door refrigerator with the evaporator has the unique advantages that air is exhausted from the freezing chamber and enters the refrigerating chamber and the temperature changing chamber, the air duct is arranged outside a cavity formed by the inner container and the box body shell, the air duct is installed after foaming, the maintenance is convenient, and meanwhile, the process is simple. And because the three chambers use one evaporator at the same time, one evaporator of the temperature changing chamber can be saved.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of a three-door refrigerator with an evaporator according to the present invention;
FIG. 2 is a schematic view of the air supply states of the freezing chamber and the refrigerating chamber of the three-door refrigerator with one evaporator of the present invention;
FIG. 3 is a schematic longitudinal sectional view showing the air supply state of the temperature-varying chamber of the three-door refrigerator having one evaporator according to the present invention;
FIG. 4 is a schematic front view of a three-door refrigerator having an evaporator according to the present invention facing a user;
FIG. 5 is a schematic view of the damper construction illustrated by part number 10 in FIG. 1 and part number 15 in FIG. 2;
fig. 6 is a schematic view of another embodiment of a user facing temperature changing chamber of a three-door refrigerator having an evaporator according to the present invention.
Detailed Description
As shown in fig. 1, the structure of the three-door refrigerator of one evaporator of the present invention comprises a box 50 and an evaporator 4, and is mainly characterized in that a freezing chamber 17 and a refrigerating chamber 12 which are split into two are arranged at the upper part of the box 50, a temperature changing chamber 9 is arranged at the lower part of the box 50, and only one evaporator 4 is arranged in the freezing chamber 17. The temperature-changing chamber 9 is an integral large drawer, namely a drawer type. The temperature-changing chamber 9 can also be a sealed door type, that is, a sealed large space structure, as shown in fig. 6, and an integral sealed door 52 is arranged on the side of the sealed large space structure facing the user. The lower end of an integrated sealing door 52 arranged in the temperature changing chamber 9 is connected with a hinge 51 between the bottom of the box body 50, and the upper end of the sealing door 52 is a free end. That is, in the entire one-evaporator three-door refrigerator, the freezing chamber 17, the refrigerating chamber 12 and the temperature-changing chamber 9 are operated in common with the one evaporator 4, and the desired temperature is achieved by adjusting the intake air amount of each refrigerating space.
As shown in fig. 1, 2 and 3, in order to send the cold air generated by the evaporator 4 in the freezing chamber 17 into the refrigerating chamber 12 and the temperature-changing chamber 9, a set of air supply means is provided in the cabinet 50 of the one-evaporator three-door refrigerator. Wherein,
a fan 1 is provided above the evaporator 4 in the freezing chamber 17.
A cover plate 7 is provided at the bottom of the freezing chamber 17, and a return duct 6 and a return air inlet 5 are formed between the cover plate 7 and the temperature changing chamber 9 (see fig. 3).
An air duct 3 is further arranged in the freezing chamber 17, the upper end of the air duct 3 is connected with an air receiving hopper 2 corresponding to the fan 1, and the lower end of the air duct 3 penetrates through the cover plate 7 to be communicated with the temperature changing chamber 9 (see fig. 1 and 2).
A variable temperature air inlet 14 communicated with the air duct 3 and a variable temperature air outlet 8 communicated with the air return duct 6 are arranged at the upper part of the variable temperature chamber 9, and a variable temperature air door 15 (refer to fig. 2) is arranged on the variable temperature air inlet 14.
The three-door refrigerator of the evaporator of the invention is characterized in that a partition plate 11 is arranged between a freezing chamber 17 and a refrigerating chamber 12, the upper part of the partition plate 11 is provided with a refrigerating air inlet door 10 which leads the freezing chamber 17 into the refrigerating chamber 12, the refrigerating air inlet door 10 corresponds to a fan 1, and the lower part of the partition plate 11 is provided with a refrigerating air return opening 13 (refer to figure 3) which leads the refrigerating chamber 12 to be communicated with the freezing chamber 17. In order to accomplish the task of sending cold air from the freezer compartment 17 to the refrigerator compartment 12.
In order to know the temperatures in the refrigerating chamber 12 and the temperature-varying chamber 9, the present invention is provided with a first sensing valve (temperature sensor) 25 and a second sensing valve (temperature sensor) 26, which are connectable to the refrigerator controller 22, in the refrigerating chamber 12 and the temperature-varying chamber 9, respectively, so as to measure the temperatures in the refrigerating chamber 12 and the temperature-varying chamber 9 (see fig. 4). However, the control unit 22 is not shown in fig. 4, and refer to the control unit 22 shown in fig. 5. The control part 22 controls the variable temperature air door 15 and the cold storage air inlet door 10, and the first induction valve (temperature sensor) 25 and the second induction valve (temperature sensor) 26, and is connected to the control panel of the door panel through the control circuit of the control part 22, so as to display and control the temperature of each greenhouse, and the details of the control part are omitted in the figure.
As shown in fig. 5, in the three-door refrigerator of an evaporator according to the present invention, the variable temperature damper 15 and the cold storage damper 10 have the same structure, and include a damper seat 20, and a rotatable wind shielding plate 21 disposed on the damper seat 20, wherein a transmission part 30 connected to a control part 22 is disposed at one end of the rotatable wind shielding plate 21. The air door seat 20 is provided with an air opening 31, and the air opening 31 is adapted to the rotatable wind-shielding sheet 21. The transmission part 30 is not shown in detail in the drawings, and may be driven directly by a motor or driven by a motor through a reduction gear set, wherein the motor is connected with the control part 22 through an electric wire. The transmission part 30 drives the wind shield 21 to rotate, and the size of the air inlet 31 on the air door seat 20 is adjusted and changed to control the size of the air inlet amount, so that the temperature in the refrigerating chamber 12 and the temperature changing chamber 9 is changed.
The invention relates to a working principle of a three-door refrigerator with an evaporator.
The invention relates to a three-door refrigerator with an evaporator, because a freezing chamber 17 and a refrigerating chamber 12 which are split into two parts are arranged at the upper part of a box body 50, a temperature changing chamber 9 is arranged at the lower part of the box body 50, and only one evaporator 4 is arranged in the freezing chamber 17. Therefore, in the freezing, refrigerating and temperature changing work, the evaporator 4 is commonly used, and the fan 1, the air duct 3 and the air doors 10 and 15 are utilized to adjust the air inlet volume in each room to reach the required temperature. The cooling air is circulated.
As shown in fig. 3, in freezing compartment 17, fan 1 discharges cool air through upper opening 16 of hood plate 60 and returns back through lower opening 18 of hood plate 60. In the refrigerating chamber 12, the cool air fan 1 is discharged into the refrigerating chamber 12 through a refrigerating intake door 10 at an upper portion of a partition plate 11, and returns to the freezing chamber 17 through a refrigerating return air opening 13 at a lower portion of the partition plate 11. The temperature of the refrigerating chamber 12 is changed by controlling the size of the air inlet amount by controlling and changing the size of the air opening of the refrigerating air inlet door 10.
As shown in fig. 1 and 2, the cold air blower 1 discharges cold air into the temperature-varying chamber 9 through the air receiving funnel 2, the air duct 3, the temperature-varying air inlet 14, and the temperature-varying air door 15. And then returns back to the freezing chamber 17 through a variable temperature air outlet 8, an air return duct 6 and an air return opening 5 of the variable temperature chamber. The air quantity is controlled by controlling and changing the size of the air opening of the variable temperature air door 15 in the variable temperature chamber 9, so that the temperature of the variable temperature chamber 9 is changed, and the temperature can be continuously adjusted from-18 ℃ to 5 ℃.
The three-door refrigerator with the evaporator has the advantages that: the requirement of American users on a large and wide refrigerating chamber is met, the refrigerating chamber of a common side-by-side combination refrigerator is narrow and is not suitable for storing large trays, and the newly designed side-by-side combination three-door refrigerator can completely meet the requirement because the bottom of the newly designed side-by-side combination three-door refrigerator is an integral large drawer or a sealed large space with a sealing door; meanwhile, the temperature-changing chamber can be continuously adjusted from cold storage to soft freezing and then to freezing, so that the conversion of large cold storage or large freezing (such as large cold storage in summer and large freezing in winter) can be realized.
The air duct has the advantages that: freezing and air-out, entering refrigeration and temperature change, installing the air duct after foaming, being convenient for maintenance, simultaneously having simple process and saving an evaporator of the temperature change chamber.
The three-door refrigerator with one evaporator is divided into a refrigerating chamber and a freezing chamber, the lower part of the three-door refrigerator is a drawer type or sealed door type temperature changing chamber, the common side-by-side refrigerator generally has no temperature changing chamber, even if the temperature changing chamber exists, the three-door refrigerator is placed at the lowest part of the refrigerating chamber, the temperature changing function from refrigerating to soft freezing and then freezing can not be realized, the three-door refrigerator can only be adjusted between the refrigerating and the soft freezing, and the lowest temperature is about-8 ℃. The three-door side-by-side combination refrigerator with one evaporator releases the soft freezing chamber from the refrigerating chamber to form a single compartment, and completely realizes the temperature changing function.
Claims (10)
1. A three-door refrigerator of an evaporator comprises a refrigerator body (50) and the evaporator (4), and is characterized in that: the refrigerator is characterized in that a freezing chamber (17) and a refrigerating chamber (12) which are split are arranged at the upper part of the refrigerator body (50), a temperature changing chamber (9) is arranged at the lower part of the refrigerator body (50), and only one evaporator (4) is arranged in the freezing chamber (17).
2. An evaporator three-door refrigerator according to claim 1, wherein: a fan (1) is arranged above the evaporator (4) in the freezing chamber (17).
3. An evaporator three-door refrigerator according to claim 1, wherein: and a cover plate (7) is arranged at the bottom of the freezing chamber (17), and an air return duct (6) and an air return opening (5) are arranged between the cover plate (7) and the temperature-changing chamber (9).
4. An evaporator three-door refrigerator according to claim 1, wherein: an air duct (3) is further arranged in the freezing chamber (17), the upper end of the air duct (3) is connected with an air receiving hopper (2) corresponding to the fan (1), and the lower end of the air duct (3) penetrates through the cover plate (7) to be communicated with the temperature changing chamber (9).
5. An evaporator three-door refrigerator according to claim 1, wherein: the upper part of the temperature changing chamber (9) is provided with a temperature changing air inlet (14) communicated with the air duct (3) and a temperature changing air outlet (8) communicated with the air return duct (6), and the temperature changing air inlet (14) is provided with a temperature changing air door (15).
6. An evaporator three-door refrigerator according to claim 1, wherein: a partition plate (partition wall) (11) is arranged between the freezing chamber (17) and the refrigerating chamber (12), a refrigerating air inlet door (10) which leads the freezing chamber (17) into the refrigerating chamber (12) is arranged at the upper part of the partition plate (11) and corresponds to the fan (1), and a refrigerating air return opening (13) which leads the refrigerating chamber (12) to be communicated with the freezing chamber (17) is arranged at the lower part of the partition plate (11).
7. An evaporator three-door refrigerator according to claim 1, wherein: the refrigerating chamber (12) and the temperature changing chamber (9) are respectively provided with a first induction valve (temperature sensor) (25) and a second induction valve (temperature sensor) (26) which can be connected with a refrigerator control part (22).
8. An evaporator three-door refrigerator according to claim 1, wherein: the temperature-changing chamber (9) is of an integral large drawer type structure.
9. An evaporator three-door refrigerator according to claim 1, wherein: the temperature-changing chamber (9) is a closed large-space structure, and an integral sealing door (52) is arranged on one side of the closed large-space structure facing a user.
10. An evaporator three-door refrigerator according to claim 9, wherein: the temperature changing chamber (9) is provided with an integral sealing door (52), one end of the upper side and the lower side of the integral sealing door is provided with a hinge to form a door body which is turned up and down, or the left side and the right side of the door body are respectively provided with a hinge (51) connected with the side surface of the box body (50) so as to form a split door structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100832501A CN101082460B (en) | 2006-05-31 | 2006-05-31 | Three doors refrigerator of evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100832501A CN101082460B (en) | 2006-05-31 | 2006-05-31 | Three doors refrigerator of evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101082460A true CN101082460A (en) | 2007-12-05 |
| CN101082460B CN101082460B (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100832501A Active CN101082460B (en) | 2006-05-31 | 2006-05-31 | Three doors refrigerator of evaporator |
Country Status (1)
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| CN (1) | CN101082460B (en) |
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