CN211977345U - Single-circulation three-temperature-zone cross four-door refrigerator - Google Patents
Single-circulation three-temperature-zone cross four-door refrigerator Download PDFInfo
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- CN211977345U CN211977345U CN202020544632.5U CN202020544632U CN211977345U CN 211977345 U CN211977345 U CN 211977345U CN 202020544632 U CN202020544632 U CN 202020544632U CN 211977345 U CN211977345 U CN 211977345U
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Abstract
The utility model discloses a single-cycle three-temperature-zone cross four-door refrigerator, wherein a refrigerating chamber is arranged in a refrigerator body, a temperature-changing chamber and a freezing chamber are arranged below the refrigerating chamber, and the number of evaporators is one; an evaporation cavity is arranged in the box body at the freezing chamber, an evaporator is arranged in the evaporation cavity, a freezing air channel cover plate is arranged between the evaporation cavity and the freezing chamber, a centrifugal fan and a freezing air outlet are arranged on the freezing air channel cover plate, a refrigerating air inlet channel and a variable-temperature air inlet channel are correspondingly arranged in the refrigerating chamber and the variable-temperature chamber respectively, and the refrigerating electric air door and the variable-temperature electric air door are both connected with an electric control device of the refrigerator. The utility model discloses an evaporimeter realizes refrigerating the air supply to walk-in, temperature-changing room and the three room of freezer, has simplified the structure of three temperature refrigerators greatly, has reduced the spare part of three temperature refrigerators, has reduced manufacturing cost. The phenomenon of uneven air outlet caused by uneven placement of articles in the refrigerating chamber can be reduced, the air output at each refrigerating air outlet tends to be even, and more even air supply is formed.
Description
Technical Field
The utility model relates to a refrigerator technical field especially relates to a three temperature zone refrigerator.
Background
The traditional three-temperature-zone cross four-door wide variable temperature refrigerator usually adopts a three-circulation system, a refrigeration system is connected with three capillary tubes and three evaporators through electromagnetic valves, the three evaporators respectively correspond to a refrigerating chamber, a variable temperature chamber and a freezing chamber, and the three evaporators are respectively and independently controlled according to refrigeration requirements of the refrigerating chamber, the variable temperature chamber and the freezing chamber; meanwhile, the temperature-changing liner and the freezing liner are respectively arranged, so that the temperature-changing liner has more parts, higher processing cost and relatively complex control, and is difficult to meet the requirements of more extensive users.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a four door refrigerators of three warm areas cross of single cycle, one set of refrigeration cycle system of each room sharing controls respectively the temperature of each room.
In order to realize the aim, the utility model provides a single-circulation three-temperature-zone cross four-door refrigerator, a refrigerating chamber is arranged in a refrigerator body of the refrigerator, a temperature-changing chamber and a freezing chamber are arranged below the refrigerating chamber, the refrigerator is provided with an electric control device and a refrigerating system controlled by the electric control device, the refrigerating system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially communicated in a circulating way through a refrigerant pipeline,
the number of the compressor, the condenser, the throttling device and the evaporator is one;
an evaporation cavity is arranged in the box body at the freezing chamber, the evaporator is arranged in the evaporation cavity, a freezing air channel cover plate is arranged between the evaporation cavity and the freezing chamber, a centrifugal fan is arranged at the top of the freezing air channel cover plate, a plurality of freezing air outlets are arranged on the freezing air channel cover plate, the centrifugal fan is positioned in the evaporation cavity, a suction inlet of the centrifugal fan deviates from the freezing air channel cover plate, and a positive pressure area is formed at the middle upper part of the evaporation cavity, close to the freezing air channel cover plate, when; the evaporation cavity below the cover plate of the freezing air duct is communicated with the freezing chamber, and a freezing return air gap is formed at the communication position;
a refrigerating air inlet duct is arranged in the middle of the refrigerating chamber in the left-right direction, and a plurality of refrigerating air outlets communicated with the refrigerating chamber are formed in the refrigerating air inlet duct; a refrigeration electric air door is arranged at the inlet of the bottom of the refrigeration air inlet duct, and the refrigeration air inlet duct is communicated with the positive pressure area in the evaporation cavity downwards through a refrigeration air supply duct; a refrigerating return air inlet is formed in the bottom of the right side of the refrigerating chamber and connected with a refrigerating return air duct arranged in the box body, and the refrigerating return air duct is communicated with the lower part of the evaporation cavity;
a temperature-changing air inlet duct is arranged in the box body at the temperature-changing chamber, a temperature-changing air outlet communicated with the temperature-changing chamber is arranged on the temperature-changing air inlet duct, the temperature-changing air inlet duct is communicated with the middle upper part of the temperature-changing chamber, and a temperature-changing electric air door is arranged at the inlet part of the temperature-changing air inlet duct; the lower part of the temperature-changing chamber is connected with a temperature-changing air return duct which is arranged in the box body and communicated with the lower part of the evaporation cavity; the refrigerating electric air door and the temperature-changing electric air door are both connected with an electric control device of the refrigerator.
The refrigerating chamber is arranged in the refrigerating liner, a lower liner is arranged below the refrigerating liner, the temperature-changing chamber and the freezing chamber are arranged in the lower liner at left and right intervals, and the temperature-changing chamber and the freezing chamber are separated by a heat-insulating foaming plate; the refrigerating inner container and the lower inner container are both positioned in the refrigerator body.
Two groups of refrigerating air outlets are symmetrically arranged on the left and right sides of the refrigerating air inlet duct, and each group of refrigerating air outlets comprises an upper air inlet, a middle air inlet and a lower air inlet which are arranged at intervals up and down; the sectional area of the upper tuyere is larger than that of the middle tuyere, and the sectional area of the middle tuyere is larger than that of the lower tuyere.
The symmetrical center line department of two sets of cold-stored air outlets is equipped with the branch wind baffle that is used for reducing the inhomogeneous phenomenon of air-out that inhomogeneous the causing was placed to article in the freezer, divides the bottom of the vertical cross-section of wind baffle to be the triangle-shaped of most advanced orientation cold-stored electric air door.
The temperature-changing air outlets are respectively provided with two corresponding to the upper part and the middle part of the temperature-changing chamber.
The refrigeration air outlets are symmetrically arranged in two rows, and three refrigeration air outlets are arranged at intervals up and down in each row.
The utility model discloses have following advantage:
1. the utility model discloses a one set of refrigerating system, an evaporimeter realizes refrigerating the air supply to walk-in, temperature-changing room and the three room of freezer, compares the structure of having simplified three temperature refrigerators greatly in the past with, has reduced the spare part of three temperature refrigerators, has reduced manufacturing cost by a wide margin to control is simple relatively.
2. Because the inner bag of alternating temperature room and freezer sharing has consequently simplified the structure, has reduced the manufacturing the utility model discloses required mould quantity has improved manufacturing efficiency and has reduced manufacturing cost.
3. The sectional areas of the upper air inlet, the middle air inlet and the lower air inlet are sequentially reduced from top to bottom, and are adapted to the condition that the upper air inlet is the tail end of the refrigerating air inlet duct, so that the air pressure is minimum, and the lower same port is closest to the inlet of the refrigerating air inlet duct, so that the air pressure is maximum, the sectional area of the air inlet with the maximum air pressure is minimum, and the sectional area of the air inlet with the minimum air pressure is maximum, so that the air supply volume at each air inlet tends to be average, and more uniform air supply is formed for the refrigerating chamber.
4. The bottom of the vertical section of the air distribution partition plate is triangular, so that cold air entering the refrigeration electric air door can be uniformly divided into a left part and a right part by the air distribution partition plate under smaller resistance.
When the article are placed unevenly in the refrigerating chamber, the wind resistance at the left and right refrigerating air outlets can be different, and then the air supply is uneven. The utility model discloses a divide the wind baffle to make about two sets of groups the amount of wind of cold-stored air outlet department converge, reduce the inhomogeneous phenomenon of the air-out that inhomogeneous bringing is placed to article in the freezer, make the article of depositing in the freezer obtain comparatively even cooling.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a refrigerated air intake duct;
FIG. 3 is a left side view of FIG. 2;
fig. 4 is a sectional view a-a of fig. 3.
Detailed Description
As shown in fig. 1 to 4, the utility model provides a single-cycle three-temperature-zone cross four-door refrigerator, a refrigerating chamber 2 is arranged in a box body 1 of the refrigerator, a temperature-changing chamber 3 and a freezing chamber 4 are arranged below the refrigerating chamber 2, the refrigerator is provided with an electric control device and a refrigerating system controlled by the electric control device, and the refrigerating system comprises a compressor, a condenser, a throttling device (such as a capillary tube or a throttling valve) and an evaporator which are sequentially communicated in a circulating way through a refrigerant pipeline; the electric control device and the refrigeration system of the refrigerator are conventional technologies, and the electric control device, the compressor, the condenser and the throttling device are not shown in the figure. In the utility model, the number of the compressor, the condenser, the throttling device and the evaporator is one;
an evaporation cavity is arranged in the box body 1 at the position of the freezing chamber 4, the evaporator is arranged in the evaporation cavity, the position of the evaporation cavity in the figure 1 is overlapped with the freezing chamber and is shielded by a freezing air duct cover plate, and the evaporation cavity is not shown in the figure.
A freezing air duct cover plate 5 is arranged between the evaporation cavity and the freezing chamber 4, a centrifugal fan 6 is installed at the top of the freezing air duct cover plate 5, a plurality of freezing air outlets 7 are formed in the freezing air duct cover plate 5, the centrifugal fan 6 is located in the evaporation cavity, a suction inlet (namely an air inlet of the centrifugal fan 6) of the centrifugal fan is deviated from the freezing air duct cover plate 5, and a positive pressure area is formed at the middle upper part of the evaporation cavity, close to the freezing air duct cover plate 5, when the centrifugal fan 6 works; the evaporation cavity below the freezing air duct cover plate 5 is communicated with the freezing chamber 4, and a freezing return air gap 8 is formed at the communication part;
a refrigerating air inlet duct 9 is arranged in the middle of the refrigerating chamber 2 in the left-right direction, and a plurality of refrigerating air outlets 10 communicated with the refrigerating chamber 2 are arranged on the refrigerating air inlet duct 9; a refrigerating electric air door 11 is arranged at the inlet of the bottom of the refrigerating air inlet duct 9, and the refrigerating air inlet duct 9 is communicated with the positive pressure area in the evaporation cavity downwards through a refrigerating air supply duct 12; a refrigerating return air inlet 13 is formed in the bottom of the right side of the refrigerating chamber 2, the refrigerating return air inlet 13 is connected with a refrigerating return air duct 14 arranged in the box body 1, and the refrigerating return air duct 14 is communicated with a main return air inlet formed in the lower portion of the evaporation cavity;
a variable temperature air inlet duct 15 is arranged in the box body 1 at the variable temperature chamber 3, a variable temperature air outlet 16 communicated with the variable temperature chamber 3 is arranged on the variable temperature air inlet duct 15, the variable temperature air inlet duct 15 is communicated with the positive pressure area at the middle upper part of the variable temperature chamber 3, and a variable temperature electric air door 17 is arranged at the inlet part of the variable temperature air inlet duct 15; the lower part of the temperature-changing chamber 3 is connected with a temperature-changing air return duct 18, and the temperature-changing air return duct 18 is arranged in the box body 1 and communicated with the lower part of the evaporation cavity;
the refrigerating electric air door 11 and the temperature-changing electric air door 17 are both connected with an electric control device of the refrigerator.
The refrigerating chamber 2 is arranged in a refrigerating inner container, a lower inner container is arranged below the refrigerating inner container, the temperature-changing chamber 3 and the freezing chamber 4 are arranged in the lower inner container at left and right intervals, and the temperature-changing chamber 3 and the freezing chamber 4 are separated by a heat-insulating foaming plate 19; the refrigerating inner container and the lower inner container are both positioned in the refrigerator body 1 of the refrigerator. The inner container of the refrigerator is conventional technology, and the refrigerating inner container and the lower inner container are not shown in the figure.
Because the temperature-changing chamber 3 and the freezing chamber 4 share one inner container, the structure is simplified, the manufacture is reduced, the utility model discloses required mould quantity has improved manufacturing efficiency and has reduced manufacturing cost.
Two groups of refrigerating air outlets 10 are symmetrically arranged on the left side and the right side of the refrigerating air inlet duct 9, and each group of refrigerating air outlets 10 comprises an upper air inlet, a middle air inlet and a lower air inlet which are arranged at intervals up and down; the sectional area of the upper tuyere is larger than that of the middle tuyere, and the sectional area of the middle tuyere is larger than that of the lower tuyere.
The sectional areas of the upper air inlet, the middle air inlet and the lower air inlet are sequentially reduced from top to bottom, and are adapted to the condition that the upper air inlet is the tail end of the refrigerating air inlet duct 9, so that the air pressure is minimum, and the lower same inlet is closest to the inlet of the refrigerating air inlet duct 9, so that the air pressure is maximum, the sectional area of the air inlet with the maximum air pressure is minimum, and the sectional area of the air inlet with the minimum air pressure is maximum, so that the air supply quantity at each air inlet tends to be average, and more uniform air supply is formed for the refrigerating chamber 2.
The symmetrical center lines of the two groups of refrigerating air outlets 10 are provided with air distribution partition plates 20 used for reducing the phenomenon of uneven air outlet caused by uneven placement of articles in the refrigerating chamber 2, and the bottoms of the vertical sections of the air distribution partition plates 20 are triangular, and the tips of the bottoms face the refrigerating electric air door 11.
The bottom of the vertical section of the air distribution partition plate 20 is triangular, so that cold air entering the refrigeration electric air door 11 can be uniformly divided into a left part and a right part by the air distribution partition plate 20 under smaller resistance.
When the articles in the refrigerating chamber 2 are not uniformly placed, the wind resistance at the left and right refrigerating air outlets 10 is different, and then the air supply is not uniform. The utility model discloses a divide wind baffle 20 to make about two sets of groups the amount of wind of cold-stored air outlet 10 department converge, reduce in the walk-in 2 article place inhomogeneous influence of the inhomogeneous phenomenon of air-out that brings, make the article of depositing in the walk-in 2 obtain comparatively even cooling.
The temperature-changing air outlets 16 are respectively arranged at the upper part and the middle part of the temperature-changing chamber 3. Thereby more uniformly blowing air to the temperature changing chamber 3.
The refrigeration air outlet bilateral symmetry is equipped with two rows, and every row of refrigeration air outlet interval is equipped with threely from top to bottom to carry out more even air supply to the freezer.
The utility model discloses the during operation, in this three room of freezer, walk-in and temperature-changing room, when any room has the refrigeration demand (the actual temperature in this room is higher than the user and sets for the temperature promptly), refrigerating system work, the compressor orders about the refrigerant and circulates at refrigerating system, and the refrigerant is in evaporimeter department evaporation heat absorption production low temperature, and centrifugal fan 6 starts simultaneously, and the neighbouring freezing wind channel apron 5 department in the well upper portion in evaporation chamber forms the malleation region. The freezing air outlet 7 and the freezing air return gap 8 form a normally open air path, when the refrigerating system works, cold air is continuously sent into the freezing chamber through the freezing air outlet 7, and air in the freezing chamber returns to the evaporation cavity through the freezing air return gap 8. When the actual temperature of the refrigerating chamber is higher than the temperature set by a user, the refrigerating electric air door 11 is opened, and air in the positive pressure area at the middle upper part of the evaporation cavity is sent into the refrigerating chamber through the refrigerating air supply duct 12, the refrigerating air inlet duct 9 and the refrigerating air outlet 10, so that the temperature in the refrigerating chamber is reduced. When the temperature in the refrigerating chamber is reduced to the temperature set by the user (or lower than the temperature set by the user by 1-3 ℃), the refrigerating electric air door 11 is closed to stop supplying cold for the refrigerating chamber. When the actual temperature of the temperature-changing chamber is higher than the temperature set by the user, the temperature-changing electric air door 17 is opened, and the gas in the positive pressure area at the upper part of the evaporation cavity is sent into the temperature-changing chamber through the temperature-changing air inlet duct 15 and the temperature-changing air outlet 16, so that the temperature in the temperature-changing chamber is reduced. When the temperature in the temperature changing chamber is reduced to the temperature set by the user (or is 1-3 ℃ lower than the temperature set by the user), the temperature changing electric air door 17 is closed to stop supplying cold for the temperature changing chamber. And in the three compartments of the freezing compartment, the refrigerating compartment and the temperature change compartment, when all the three compartments have no refrigerating requirement, the refrigerating system is closed, and the compressor and the centrifugal fan 6 stop operating.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (6)
1. The single-cycle three-temperature-zone cross four-door refrigerator is characterized in that a refrigerating chamber is arranged in a refrigerator body, a temperature-changing chamber and a freezing chamber are arranged below the refrigerating chamber, the refrigerator is provided with an electric control device and a refrigerating system controlled by the electric control device, the refrigerating system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially communicated in a circulating manner through refrigerant pipelines,
the method is characterized in that: the number of the compressor, the condenser, the throttling device and the evaporator is one;
an evaporation cavity is arranged in the box body at the freezing chamber, the evaporator is arranged in the evaporation cavity, a freezing air channel cover plate is arranged between the evaporation cavity and the freezing chamber, a centrifugal fan is arranged at the top of the freezing air channel cover plate, a plurality of freezing air outlets are arranged on the freezing air channel cover plate, the centrifugal fan is positioned in the evaporation cavity, a suction inlet of the centrifugal fan deviates from the freezing air channel cover plate, and a positive pressure area is formed at the middle upper part of the evaporation cavity, close to the freezing air channel cover plate, when; the evaporation cavity below the cover plate of the freezing air duct is communicated with the freezing chamber, and a freezing return air gap is formed at the communication position;
a refrigerating air inlet duct is arranged in the middle of the refrigerating chamber in the left-right direction, and a plurality of refrigerating air outlets communicated with the refrigerating chamber are formed in the refrigerating air inlet duct; a refrigeration electric air door is arranged at the inlet of the bottom of the refrigeration air inlet duct, and the refrigeration air inlet duct is communicated with the positive pressure area in the evaporation cavity downwards through a refrigeration air supply duct; a refrigerating return air inlet is formed in the bottom of the right side of the refrigerating chamber and connected with a refrigerating return air duct arranged in the box body, and the refrigerating return air duct is communicated with the lower part of the evaporation cavity;
a temperature-changing air inlet duct is arranged in the box body at the temperature-changing chamber, a temperature-changing air outlet communicated with the temperature-changing chamber is arranged on the temperature-changing air inlet duct, the temperature-changing air inlet duct is communicated with the middle upper part of the temperature-changing chamber, and a temperature-changing electric air door is arranged at the inlet part of the temperature-changing air inlet duct; the lower part of the temperature-changing chamber is connected with a temperature-changing air return duct which is arranged in the box body and communicated with the lower part of the evaporation cavity; the refrigerating electric air door and the temperature-changing electric air door are both connected with an electric control device of the refrigerator.
2. The single cycle three temperature zone cross four-door refrigerator according to claim 1, wherein: the refrigerating chamber is arranged in the refrigerating liner, a lower liner is arranged below the refrigerating liner, the temperature-changing chamber and the freezing chamber are arranged in the lower liner at left and right intervals, and the temperature-changing chamber and the freezing chamber are separated by a heat-insulating foaming plate; the refrigerating inner container and the lower inner container are both positioned in the refrigerator body.
3. The single cycle three temperature zone cross four-door refrigerator according to claim 1, wherein: two groups of refrigerating air outlets are symmetrically arranged on the left and right sides of the refrigerating air inlet duct, and each group of refrigerating air outlets comprises an upper air inlet, a middle air inlet and a lower air inlet which are arranged at intervals up and down; the sectional area of the upper tuyere is larger than that of the middle tuyere, and the sectional area of the middle tuyere is larger than that of the lower tuyere.
4. The single cycle three temperature zone cross four-door refrigerator according to claim 3, wherein: the symmetrical center line department of two sets of cold-stored air outlets is equipped with the branch wind baffle that is used for reducing the inhomogeneous phenomenon of air-out that inhomogeneous the causing was placed to article in the freezer, divides the bottom of the vertical cross-section of wind baffle to be the triangle-shaped of most advanced orientation cold-stored electric air door.
5. The single-cycle three-temperature-zone cross four-door refrigerator according to any one of claims 1 to 4, wherein: the temperature-changing air outlets are respectively provided with two corresponding to the upper part and the middle part of the temperature-changing chamber.
6. The single-cycle three-temperature-zone cross four-door refrigerator according to any one of claims 1 to 4, wherein: the refrigeration air outlets are symmetrically arranged in two rows, and three refrigeration air outlets are arranged at intervals up and down in each row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020544632.5U CN211977345U (en) | 2020-04-14 | 2020-04-14 | Single-circulation three-temperature-zone cross four-door refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020544632.5U CN211977345U (en) | 2020-04-14 | 2020-04-14 | Single-circulation three-temperature-zone cross four-door refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN211977345U true CN211977345U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020544632.5U Active CN211977345U (en) | 2020-04-14 | 2020-04-14 | Single-circulation three-temperature-zone cross four-door refrigerator |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543423A (en) * | 2022-02-16 | 2022-05-27 | 长虹美菱股份有限公司 | Refrigerator with single-system multi-channel air inlet duct device |
| CN114576907A (en) * | 2022-03-25 | 2022-06-03 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
-
2020
- 2020-04-14 CN CN202020544632.5U patent/CN211977345U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543423A (en) * | 2022-02-16 | 2022-05-27 | 长虹美菱股份有限公司 | Refrigerator with single-system multi-channel air inlet duct device |
| CN114576907A (en) * | 2022-03-25 | 2022-06-03 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
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