CN114719537B - Constant-temperature sealing drawer and working method - Google Patents
Constant-temperature sealing drawer and working method Download PDFInfo
- Publication number
- CN114719537B CN114719537B CN202210398092.8A CN202210398092A CN114719537B CN 114719537 B CN114719537 B CN 114719537B CN 202210398092 A CN202210398092 A CN 202210398092A CN 114719537 B CN114719537 B CN 114719537B
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- Prior art keywords
- air
- drawer
- temperature
- cold
- foam
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000006260 foam Substances 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000009825 accumulation Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to the technical field of household appliances, in particular to a constant-temperature sealing drawer and a working method, wherein a middle air duct foam comprises an air inlet and an air return opening, the air inlet is arranged at a first end of the rear side of the middle air duct foam, the air return opening is arranged in the center of the rear side of the middle air duct foam, an air duct groove which corresponds to an ice discharging groove in position and is larger than the ice discharging groove is arranged on the middle air duct foam, the air duct groove extends from the front side to two sides and then extends backwards to form an air inlet, the rear side of the air duct groove extends to the air inlet, and the air return opening extends forwards in an inclined mode and then transversely extends to a second end of the rear side of the middle air duct foam to form an air return duct. When the cold air cooler is used, the cold air reaches the variable temperature air outlet and enters the air inlet, enters the air channel groove along the air inlet, meets the cold accumulation ice bank at the moment and cools the cold accumulation ice bank, then passes through the two sides of the cold accumulation ice bank, reaches the air inlet channel along the air channel groove, further downwards passes through the air inlet holes of the lower air channel foam and the metal plate, and reaches the inside of the drawer box.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a constant-temperature sealing drawer and a working method.
Background
The drawer sealing cover in the prior art is provided with a metal plate and an air duct for supplying air to improve the refrigerating efficiency, such as CN215063065U, but after the temperature in the drawer is reached, the temperature can quickly rise after the air supply is stopped, and relatively large fluctuation is generated; part of the technical proposal adopts an integral box type structure such as CN208983703U, but the integral assembly is complex and the cost is high.
Disclosure of Invention
The invention provides a constant-temperature sealed drawer and a working method thereof, which solve the problem that the temperature of the sealed drawer is quickly returned after air supply is stopped in the prior art.
The constant temperature sealing drawer comprises a cold air device, a control partition plate, a sealing cover and a drawer box, wherein the sealing cover sequentially comprises an upper cover, an upper air duct foam, a middle air duct foam, a lower air duct foam and a metal plate from top to bottom;
the upper air duct foam and the lower air duct foam are respectively provided with an ice discharging groove, and the ice discharging grooves are close to the front side of the sealing cover;
the air inlet is arranged at a first end of the rear side of the air passage foam, the air return opening is arranged in the center of the rear side of the air passage foam, the air passage foam is provided with an air passage groove which corresponds to the ice discharge groove and is larger than the ice discharge groove, the air passage groove extends from the front side to the two sides and then extends backwards to form an air inlet passage, the rear side of the air passage groove extends to the air inlet, and the air return opening extends forwards in an inclined mode and then transversely extends to a second end of the rear side of the air passage foam to form an air return passage;
the lower air duct foam and the metal plate both comprise an air inlet hole and an air return hole, the air inlet hole corresponds to the air inlet duct, and the air return hole corresponds to the air return duct;
the sealing cover is arranged at the top of the drawer box, the control partition plate is arranged at the top of the sealing cover, and the cold air device is arranged at the rear side of the drawer box.
Preferably, the cold air device comprises an upper plate and a bottom box, wherein the bottom box is connected to the bottom of the front side of the upper plate, and the inside of the bottom box is communicated with the upper plate;
be equipped with the air-cooler in the upper plate, be equipped with cold-stored air door, alternating temperature air door and alternating temperature air outlet in the base tank, cold-stored air door is established in the intercommunication department of base tank and upper plate, the positive top at the base tank is established to the alternating temperature air outlet, the alternating temperature air door is established at alternating temperature air outlet rear side, and the air-out department of air-cooler aligns cold-stored air door, cold-stored air door passes through the inside U type wind channel intercommunication of base tank the alternating temperature air outlet.
Preferably, two ventilation openings are arranged at the rear side of the sealing cover, and the two ventilation openings correspond to the positions of the air inlet and the air return opening of the medium-air-duct foam respectively;
the temperature-changing air outlet is aligned to the air inlet, a temperature-changing sensor is arranged at the air return opening, and the temperature-changing sensor is fixed on the front surface of the bottom box.
Preferably, the control partition plate comprises display glass, a display film, a control partition plate seat, a control plate bottom cover and a control plate connecting line;
the control baffle seat and the control panel bottom cover are buckled in a buckling mode, the control panel is fixed between the control baffle seat and the control panel bottom cover, a display film is arranged at the top of the control baffle seat, display glass is arranged at the top of the display film, and the control panel is electrically connected with the temperature change sensor.
Preferably, the sealing cover bottom is provided with a sealing strip along the circumferential direction thereof.
Preferably, the bottom of sealed lid both sides front end is equipped with two gyro wheels, and the corresponding position of drawer box both sides is equipped with the gyro wheel slide that uses with the gyro wheel cooperation, and the rear side of gyro wheel slide is equipped with the stopper.
Preferably, one side of the constant temperature sealing drawer is provided with a storage drawer which is arranged in parallel with the constant temperature sealing drawer, and the bottoms of the constant temperature sealing drawer and the storage drawer are provided with a left sliding rail bracket, a right sliding rail bracket, a middle supporting sliding rail bracket, a drawer left sliding rail and a drawer right sliding rail;
the left sliding rail support and the middle supporting sliding rail support form a placement space for a storage drawer, and the storage drawer is placed on a left sliding rail of the drawer;
the right sliding rail support and the middle supporting sliding rail support form a placing space of a constant temperature sealing drawer, and the constant temperature sealing drawer is placed on a right sliding rail of the drawer.
Preferably, the ice discharging groove is provided with a cold accumulation ice discharging groove.
A working method of a constant temperature sealing drawer, which is used, comprises the following steps:
the user controls the set temperature of the constant temperature sealing drawer by displaying the glass operation control panel, at the moment, the air cooler works, the refrigerating air door and the variable temperature air door are opened, cold air passes through the refrigerating air door from the upper plate and is blown to the bottom box, then passes through the variable temperature air door through the U-shaped air duct, reaches the variable temperature air outlet and enters the air inlet, enters the air duct groove along the air inlet, meets the cold storage ice bank and cools the cold storage ice bank at the moment, passes through the two sides of the cold storage ice bank, reaches the air inlet duct along the air duct groove, and further passes through the air inlet holes of the lower air duct foam and the metal plate downwards to reach the inside of the drawer box;
when the air flows outwards from the interior of the drawer box, firstly, the air passes through the air return holes of the lower air duct foam and the metal plate to reach the air return duct, then the air passes through the air return duct to reach the air return opening, at the moment, the temperature at the air return opening is detected by the temperature change sensor, the temperature is determined as the interior temperature of the drawer box by the temperature change sensor, and then the temperature is transmitted to the control board, and the control board judges the interior temperature of the drawer box and the set temperature;
if the internal temperature of the drawer box does not reach the set temperature, maintaining the current working state, if the internal temperature of the drawer box reaches the set temperature, closing the air cooler, the refrigeration air door and the variable-temperature air door, stopping the supply of external cold air at the moment, cooling the metal plate by the cold-storage ice, and continuously cooling the drawer box by the metal plate to maintain the internal temperature of the drawer box to be near the set temperature;
if the control board detects that the temperature inside the drawer box does not reach the set temperature, the air cooler is driven to work again, and the refrigeration air door and the variable-temperature air door are opened.
Compared with the prior art, the drawer is convenient to integrally take out and move, and can be integrally taken out to be used as a low-temperature box, so that the cost is low and the universality is strong; after the external air supply is stopped, the refrigeration can be continued, and the internal temperature is maintained.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a front cross-sectional view of the cooling air device of fig. 1;
FIG. 3 is an exploded view of the control diaphragm of FIG. 1;
FIG. 4 is an exploded view of the seal cap of FIG. 1;
FIG. 5 is an air intake side cross-sectional view of a thermostatically sealed drawer;
FIG. 6 is a side cross-sectional view of a constant temperature seal drawer return air;
fig. 7 is an enlarged view of a portion a in fig. 5;
fig. 8 is an enlarged view of a portion B in fig. 5;
fig. 9 is an enlarged view of a portion C in fig. 6;
FIG. 10 is a top view of the thermostatically sealed drawer and the storage drawer;
the reference numerals include: the refrigerator comprises a 1-refrigerator, a 2-cold air device, a 3-control partition board, a 4-bottom box, a 5-sealing cover, a 6-object placing drawer, a 7-drawer box, an 8-left slide rail support, a 9-middle support slide rail support, a 10-right slide rail support, an 11-left slide rail, a 12-right slide rail, a 21-temperature-changing air outlet, a 22-temperature-changing air door, a 23-control board connecting line, a 24-temperature-changing sensor, a 25-refrigerating air door, 31-display glass, 33-display film, 34-control partition board seat, 35-control board, 36-control board bottom cover, 51-upper cover, 511-return air inlet, 512-air inlet, 52-sealing strip, 53-roller, 54-upper air channel foam, 55-middle air channel foam, 56-lower air channel foam, 561-air inlet, 562-return air inlet, 57-metal plate, 58-ice row, 71-roller slideway and 72-limiting block.
Detailed Description
The following is a further description of embodiments of the invention, in conjunction with the specific examples:
the constant temperature sealing drawer comprises a cold air device 2, a control partition plate 3, a sealing cover 5 and a drawer box 7, wherein the sealing cover 5 sequentially comprises an upper cover 51, an upper air duct foam 54, a middle air duct foam 55, a lower air duct foam 56 and a metal plate 57 from top to bottom;
the upper air duct foam 54 and the lower air duct foam 56 are respectively provided with an ice discharging groove, and the ice discharging grooves are close to the front side of the sealing cover 5;
the air channel foam 55 comprises an air inlet 512 and an air return inlet 511, the air inlet 512 is arranged at a first end of the rear side of the air channel foam 55, the air return inlet 511 is arranged in the center of the rear side of the air channel foam 55, the air channel foam 55 is provided with an air channel groove which corresponds to the ice discharging groove and is larger than the ice discharging groove, the air channel groove extends from the front side to the two sides and then extends backwards to form an air inlet, one side of the rear side of the air channel groove extends to the air inlet 512, and the air return inlet 511 extends forwards in a tilting mode and then transversely extends to a second end of the rear side of the air channel foam 55 to form an air return channel;
the lower air duct foam 56 and the metal plate 57 both comprise an air inlet 561 and an air return 562, wherein the air inlet 561 corresponds to the air inlet duct, and the air return 562 corresponds to the air return duct;
the sealing cover 5 is arranged at the top of the drawer box 7, the control partition plate 3 is arranged at the top of the sealing cover 5, and the cold air device 2 is arranged at the rear side of the drawer box 7.
The cold air device 2 comprises an upper plate and a bottom box 4, wherein the bottom box 4 is connected to the bottom of the front side of the upper plate, and the inside of the bottom box is communicated with the upper plate;
be equipped with the air-cooler in the upper plate, be equipped with cold-stored air door 25, alternating temperature air door 22 and alternating temperature air outlet 21 in the base tank 4, cold-stored air door 25 establishes the intercommunication department at base tank 4 and upper plate, the positive top at base tank 4 is established to alternating temperature air outlet 21, alternating temperature air door 22 is established at alternating temperature air outlet 21 rear side, and the air-out department of air-cooler aligns cold-stored air door 25, cold-stored air door 25 passes through the inside U type wind channel intercommunication of base tank 4 alternating temperature air outlet 21.
Two ventilation openings are formed in the rear side of the sealing cover 5 and correspond to the air inlet 512 and the air return 511 of the air passage foam 55 respectively;
the temperature-changing air outlet 21 is aligned to the air inlet 512, a temperature-changing sensor 24 is arranged at the air return inlet 511, and the temperature-changing sensor 24 is fixed on the front surface of the bottom box 4.
The control partition board 3 comprises display glass 31, a display film 33, a control partition board seat 34, a control board 35, a control board bottom cover 36 and a control board connecting line 23;
the control partition seat 34 and the control panel bottom cover 36 are buckled in a buckling mode, the control panel 35 is fixed between the control panel seat 34 and the control panel bottom cover, the display film 33 is arranged at the top of the control partition seat 34, the display glass 31 is arranged at the top of the display film 33, and the control panel connecting line 23 is electrically connected with the temperature change sensor 24.
The bottom of the sealing cover 5 is provided with a sealing strip 52 along the circumferential direction.
Two rollers 53 are arranged at the bottoms of the front ends of the two sides of the sealing cover 5, roller slide ways 71 matched with the rollers 53 are arranged at corresponding positions of the two sides of the drawer box 7, and limiting blocks 72 are arranged at the rear sides of the roller slide ways 71.
One side of the constant temperature sealing drawer is provided with a storage drawer 6 which is arranged in parallel with the constant temperature sealing drawer, and the bottoms of the constant temperature sealing drawer and the storage drawer 6 are provided with a left sliding rail bracket 8, a right sliding rail bracket 10, a middle supporting sliding rail bracket 9, a drawer left sliding rail 11 and a drawer right sliding rail 12;
the left slide rail bracket 8 and the middle support slide rail bracket 9 form a placement space for the storage drawer 6, and the storage drawer 6 is placed on a left slide rail 11 of the drawer;
the right slide rail bracket 10 and the middle support slide rail bracket 9 form a placement space of a constant temperature sealing drawer, and the constant temperature sealing drawer is placed on a drawer right slide rail 12.
The ice discharge groove is provided with a cold accumulation ice discharge 58.
A working method of a constant temperature sealing drawer, which is used, comprises the following steps:
the user operates the control panel 35 through the display glass 31 to control the set temperature of the constant temperature sealing drawer, at the moment, the air cooler works, the refrigerating air door 25 and the variable temperature air door 22 are opened, cold air is blown to the bottom box 4 from the upper plate through the refrigerating air door 25, then passes through the variable temperature air door 22 through the U-shaped air duct, reaches the variable temperature air outlet 21 and enters the air inlet 512, enters the air duct groove along the air inlet 512, meets the cold storage ice row 58 at the moment and cools the cold storage ice row 58, passes through two sides of the cold storage ice row 58, reaches the air inlet duct along the air duct groove, further passes through the air inlet 561 of the lower air duct foam 56 and the metal plate 57 downwards, and reaches the inside of the drawer box 7;
when the air flows outwards from the inside of the drawer box 7, firstly, the air passes through the lower air duct foam 56 and the air return holes 562 of the metal plate 57 to reach the air return duct, then passes through the air return duct to reach the air return opening 511, and at the moment, the temperature at the air return opening 511 is detected by the temperature change sensor 24 and is recognized as the temperature inside the drawer box 7, and then the temperature is transmitted to the control board 35, and the control board 35 judges the temperature inside the drawer box 7 and the set temperature;
if the internal temperature of the drawer box 7 does not reach the set temperature, the current working state is maintained, if the internal temperature of the drawer box 7 reaches the set temperature, the air cooler, the refrigerating air door 25 and the variable temperature air door 22 are closed, at the moment, the supply of external cold air is stopped, the cold-storage ice bank 58 cools the metal plate 57, the metal plate 57 continuously cools the drawer box 7, and the internal temperature of the drawer box 7 is maintained near the set temperature;
if the control panel 35 detects that the temperature inside the drawer box 7 does not reach the set temperature, the air cooler is driven again to work, and the refrigeration air door 25 and the temperature changing air door 22 are opened.
When the drawer box 7 is pulled, the top of the drawer box 7 is matched with the sealing cover 5 through the roller slideway 71 and the roller 53 to generate relative motion, and the bottom of the drawer box 7 is matched with the right slide rail 10 through the right slide rail 12 to generate relative motion.
The invention uses the ice bank as the cold accumulation material, other materials can be used, and the position for placing the cold accumulation ice bank 58 is not limited to the sealing cover 5.
The constant temperature sealing drawer can be placed in the refrigerator 1, the cold air device 2 is placed at the rear side of the inside of the cavity of the refrigerator 1, and the constant temperature sealing drawer can be separated for independent use.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The constant temperature sealing drawer comprises a cold air device, a control partition plate, a sealing cover and a drawer box, and is characterized in that the sealing cover sequentially comprises an upper cover, an upper air duct foam, a middle air duct foam, a lower air duct foam and a metal plate from top to bottom;
the upper air duct foam and the lower air duct foam are respectively provided with an ice discharging groove, and the ice discharging grooves are close to the front side of the sealing cover;
the air inlet is arranged at a first end of the rear side of the air passage foam, the air return opening is arranged in the center of the rear side of the air passage foam, the air passage foam is provided with an air passage groove which corresponds to the ice discharge groove and is larger than the ice discharge groove, the air passage groove extends from the front side to the two sides and then extends backwards to form an air inlet passage, the rear side of the air passage groove extends to the air inlet, and the air return opening extends forwards in an inclined mode and then transversely extends to a second end of the rear side of the air passage foam to form an air return passage;
the lower air duct foam and the metal plate both comprise an air inlet hole and an air return hole, the air inlet hole corresponds to the air inlet duct, and the air return hole corresponds to the air return duct;
the sealing cover is arranged at the top of the drawer box, the control partition plate is arranged at the top of the sealing cover, and the cold air device is arranged at the rear side of the drawer box;
and a cold accumulation ice bank is arranged in the ice bank groove.
2. The constant temperature sealed drawer as recited in claim 1, wherein the cold air device comprises an upper plate and a bottom box, the bottom box is connected to the bottom of the front side of the upper plate, and the inside of the bottom box is communicated with the upper plate;
be equipped with the air-cooler in the upper plate, be equipped with cold-stored air door, alternating temperature air door and alternating temperature air outlet in the base tank, cold-stored air door is established in the intercommunication department of base tank and upper plate, the positive top at the base tank is established to the alternating temperature air outlet, the alternating temperature air door is established at alternating temperature air outlet rear side, and the air-out department of air-cooler aligns cold-stored air door, cold-stored air door passes through the inside U type wind channel intercommunication of base tank the alternating temperature air outlet.
3. The constant temperature sealing drawer as claimed in claim 2, wherein the rear side of the sealing cover is provided with two ventilation openings, and the two ventilation openings correspond to the positions of the air inlet and the air return opening of the medium air duct foam respectively;
the temperature-changing air outlet is aligned to the air inlet, a temperature-changing sensor is arranged at the air return opening, and the temperature-changing sensor is fixed on the front surface of the bottom box.
4. A constant temperature sealed drawer according to claim 3, wherein the control panel comprises display glass, display film, control panel base, control panel bottom cover and control panel wiring;
the control baffle seat and the control panel bottom cover are buckled in a buckling mode, the control panel is fixed between the control baffle seat and the control panel bottom cover, a display film is arranged at the top of the control baffle seat, display glass is arranged at the top of the display film, and the control panel is electrically connected with the temperature change sensor.
5. A constant temperature sealing drawer according to claim 4, wherein the sealing cover is provided with sealing strips along the circumference thereof at the bottom.
6. The constant temperature sealed drawer as claimed in claim 5, wherein the bottoms of the front ends of both sides of the sealing cover are provided with two rollers, roller slides matched with the rollers are arranged at corresponding positions of both sides of the drawer box, and limiting blocks are arranged at the rear sides of the roller slides.
7. The constant temperature sealing drawer as claimed in claim 6, wherein one side of the constant temperature sealing drawer is provided with a storage drawer which is arranged in parallel with the constant temperature sealing drawer, and the bottoms of the constant temperature sealing drawer and the storage drawer are provided with a left sliding rail bracket, a right sliding rail bracket, a middle supporting sliding rail bracket, a left sliding rail of the drawer and a right sliding rail of the drawer;
the left sliding rail support and the middle supporting sliding rail support form a placement space for a storage drawer, and the storage drawer is placed on a left sliding rail of the drawer;
the right sliding rail support and the middle supporting sliding rail support form a placing space of a constant temperature sealing drawer, and the constant temperature sealing drawer is placed on a right sliding rail of the drawer.
8. A method of operating a thermostatically sealed drawer in accordance with claim 7, comprising:
the user controls the set temperature of the constant temperature sealing drawer by displaying the glass operation control panel, at the moment, the air cooler works, the refrigerating air door and the variable temperature air door are opened, cold air passes through the refrigerating air door from the upper plate and is blown to the bottom box, then passes through the variable temperature air door through the U-shaped air duct, reaches the variable temperature air outlet and enters the air inlet, enters the air duct groove along the air inlet, meets the cold storage ice bank and cools the cold storage ice bank at the moment, passes through the two sides of the cold storage ice bank, reaches the air inlet duct along the air duct groove, and further passes through the air inlet holes of the lower air duct foam and the metal plate downwards to reach the inside of the drawer box;
when the air flows outwards from the interior of the drawer box, firstly, the air passes through the air return holes of the lower air duct foam and the metal plate to reach the air return duct, then the air passes through the air return duct to reach the air return opening, at the moment, the temperature at the air return opening is detected by the temperature change sensor, the temperature is determined as the interior temperature of the drawer box by the temperature change sensor, and then the temperature is transmitted to the control board, and the control board judges the interior temperature of the drawer box and the set temperature;
if the internal temperature of the drawer box does not reach the set temperature, maintaining the current working state, if the internal temperature of the drawer box reaches the set temperature, closing the air cooler, the refrigeration air door and the variable-temperature air door, stopping the supply of external cold air at the moment, cooling the metal plate by the cold-storage ice, and continuously cooling the drawer box by the metal plate to maintain the internal temperature of the drawer box to be near the set temperature;
if the control board detects that the temperature inside the drawer box does not reach the set temperature, the air cooler is driven to work again, and the refrigeration air door and the variable-temperature air door are opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398092.8A CN114719537B (en) | 2022-04-13 | 2022-04-13 | Constant-temperature sealing drawer and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398092.8A CN114719537B (en) | 2022-04-13 | 2022-04-13 | Constant-temperature sealing drawer and working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719537A CN114719537A (en) | 2022-07-08 |
| CN114719537B true CN114719537B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210398092.8A Active CN114719537B (en) | 2022-04-13 | 2022-04-13 | Constant-temperature sealing drawer and working method |
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| CN111578593A (en) * | 2020-05-20 | 2020-08-25 | 长虹美菱股份有限公司 | Constant temperature device of refrigerator |
| CN112361689A (en) * | 2020-11-06 | 2021-02-12 | 长虹美菱股份有限公司 | Special constant-temperature area of refrigerating chamber of refrigerator and control method thereof |
| CN112503838A (en) * | 2020-11-13 | 2021-03-16 | 长虹美菱股份有限公司 | Special constant-temperature area in refrigerating chamber and control method thereof |
| CN112503824A (en) * | 2020-12-17 | 2021-03-16 | 长虹美菱股份有限公司 | Temp. changing device for refrigerator |
-
2022
- 2022-04-13 CN CN202210398092.8A patent/CN114719537B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012017968A (en) * | 2010-06-10 | 2012-01-26 | Panasonic Corp | Refrigerator |
| CN109163491A (en) * | 2018-09-27 | 2019-01-08 | 澳柯玛股份有限公司 | A kind of constant temperature fresh-keeping apparatus |
| CN111578593A (en) * | 2020-05-20 | 2020-08-25 | 长虹美菱股份有限公司 | Constant temperature device of refrigerator |
| CN112361689A (en) * | 2020-11-06 | 2021-02-12 | 长虹美菱股份有限公司 | Special constant-temperature area of refrigerating chamber of refrigerator and control method thereof |
| CN112503838A (en) * | 2020-11-13 | 2021-03-16 | 长虹美菱股份有限公司 | Special constant-temperature area in refrigerating chamber and control method thereof |
| CN112503824A (en) * | 2020-12-17 | 2021-03-16 | 长虹美菱股份有限公司 | Temp. changing device for refrigerator |
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| CN114719537A (en) | 2022-07-08 |
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