CN112066616B - Refrigerator with air curtain function - Google Patents
Refrigerator with air curtain function Download PDFInfo
- Publication number
- CN112066616B CN112066616B CN201910500626.1A CN201910500626A CN112066616B CN 112066616 B CN112066616 B CN 112066616B CN 201910500626 A CN201910500626 A CN 201910500626A CN 112066616 B CN112066616 B CN 112066616B
- Authority
- CN
- China
- Prior art keywords
- air
- refrigerator
- range finding
- door
- infrared range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001704 evaporation Methods 0.000 claims abstract description 29
- 230000008020 evaporation Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 claims 7
- 230000008447 perception Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004781 supercooling Methods 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
-
- 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
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
- F25D23/00—General constructional features
-
- 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
-
- 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
- F25D2700/02—Sensors detecting door opening
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 provides a refrigerator with an air curtain function, which comprises a refrigerator body, a door body, a plurality of infrared distance measuring sensors arranged at the top of the refrigerator body, a plurality of air doors and an evaporation fan, wherein the air doors and the evaporation fan are arranged corresponding to the infrared distance measuring sensors, the infrared distance measuring sensors are arranged close to the door body, the refrigerator further comprises a main control unit for adjusting the opening of the air doors according to signals of the infrared distance measuring sensors, and the main control unit adjusts the opening of the air doors corresponding to the sensing areas according to sensing distances and sensing areas sensed by the infrared distance measuring sensors. The refrigerator with the air curtain function not only ensures that hands are not damaged by cold air, improves user comfort, but also keeps the opening degree of the air door unchanged in the area where the hands are not sensed, effectively isolates the external temperature, thereby avoiding the influence of the external temperature on the internal temperature of the refrigerator to the greatest extent and reducing the temperature fluctuation.
Description
Technical Field
The invention relates to a refrigerator with an air curtain function.
Background
At present, the vertical refrigerator air curtain design is used for designing an air curtain for blowing by a fan at the door side when the door is opened in a sensing way, so that the loss of cold in the refrigerator is reduced, and the energy-saving effect is achieved. However, the design of the air quantity is single, no induction is caused to the hand taking commodity, and strong cold air is easy to blow the body.
In view of this, there is a need for improvements to existing air curtain coolers to address the above-described problems.
Disclosure of Invention
The invention aims to provide a refrigerator with intelligent air curtain control, energy conservation and user comfort enhancement.
In order to achieve the above object, the invention provides a refrigerator with an air curtain function, which comprises a refrigerator body and a door body, wherein the refrigerator is further provided with a plurality of infrared ranging sensors arranged at the top of the refrigerator body, a plurality of air doors and an evaporation fan, the plurality of air doors and the evaporation fan are arranged corresponding to the infrared ranging sensors, the infrared ranging sensors are arranged close to the door body, the refrigerator further comprises a main control unit for adjusting the opening of the air doors according to signals of the infrared ranging sensors, the main control unit adjusts the opening of the air doors corresponding to the sensing areas according to sensing distances and sensing areas sensed by the infrared ranging sensors, the refrigerator is provided with a plurality of first air outlets respectively arranged at the front side of the evaporation fan, one second air outlet arranged at the rear side of the evaporation fan and a return air inlet arranged below the evaporation fan, each first air outlet is in one-to-one correspondence with each air door through a supercooling channel, the plurality of air doors are mutually adjacent to each other and are connected end to end so as to end in a mode to be arranged at the periphery of the evaporation fan, the infrared ranging sensors are arranged along the cross direction of the infrared ranging sensors, and the infrared ranging sensors are not arranged along the cross direction of the sensing distance sensor, and the infrared ranging sensors are arranged along the cross direction of the infrared ranging direction.
As a further improvement of the present invention, in the front-rear direction, the first air outlet is disposed between the infrared ranging sensor and the damper.
As a further improvement of the invention, the second air outlet is positioned at the rear side of the evaporator of the refrigerator, a water receiving box is arranged below the evaporator, the refrigerator is provided with an air duct plate forming the first air outlet, and the air return opening is formed between the air duct plate and the water receiving box.
As a further improvement of the invention, the air duct plate comprises an inclined part positioned at the front side of the air duct plate and a horizontal part horizontally extending from the bottom end of the inclined part, the first air outlet is arranged at the inclined part, and the air door is connected with the horizontal part.
As a further improvement of the invention, the evaporating fan is a centrifugal fan, when the door body is closed, the air door is closed, and the air return port and the second air outlet form a refrigeration cycle.
As a further improvement of the invention, the main control unit can also adjust the rotating speed of the evaporating fan according to the sensing distance of the infrared ranging sensor.
As a further improvement of the invention, the refrigerator is also provided with at least one shelf which is in a grid-shaped structure and is horizontally arranged.
The invention has the beneficial effects that: according to the refrigerator with the air curtain function, the plurality of infrared distance measuring sensors and the plurality of air doors corresponding to the infrared distance measuring sensors are arranged above the refrigerator body, and the main control unit is used for adjusting the opening degree of the air door corresponding to the sensing area according to the sensing distance and the sensing area, so that the hands of a user are not damaged by cold air, the opening degree of the air door is kept unchanged in the area where the hands are not sensed, the outside temperature is effectively isolated, the air curtain is partitioned and locally controlled, the influence of the outside temperature on the temperature in the refrigerator is avoided to the greatest extent, and the temperature fluctuation is reduced.
Drawings
Fig. 1 is a side view of a refrigerator having an air curtain function of the present invention.
FIG. 2 is a top view of a top duct structure.
Fig. 3 is a plan view of the shelf.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiment is not intended to limit the present invention, and structural, methodological, or functional modifications of the invention according to the embodiment are included in the scope of the invention.
Referring to fig. 1 to 3, a refrigerator with an air curtain function is shown in the present invention, wherein an X-axis is defined as a front-back direction, a Y-axis is defined as a left-right direction (also referred to as a transverse direction), and a Z-axis is defined as an up-down direction, the refrigerator is a vertical air-cooled refrigerator, the refrigerator comprises a refrigerator body 1 and a door body 2, a plurality of shelves 3 are arranged in the refrigerator body 1 at intervals in parallel along the up-down direction and horizontally, the shelves 3 are in a grid structure so that cold air can freely circulate along the up-down direction, and the temperature in the refrigerator body 1 is ensured to be uniform, and in the embodiment, the shelves 3 are steel wire shelves.
Referring to fig. 1 to 3, a plurality of infrared ranging sensors 11, a plurality of air doors 12 corresponding to the infrared ranging sensors 11, an evaporation fan 13 and an evaporator 14 are sequentially disposed on the top of the cabinet body 1 along the front-back direction, the plurality of air doors 12 are adjacent to each other and are connected end-to-end so as to form an arc shape around the periphery of the evaporation fan 13, so that the air doors 12 and the air flow directions generated by the evaporation fan 13 correspond to each other, the air flow can conveniently and smoothly enter the air doors 12, the refrigerator is provided with a plurality of first air outlets 15 and a second air outlet 16 respectively located in front of and behind the evaporation fan 13 and an air return opening 17 located below the evaporation fan 13, the plurality of infrared ranging sensors 11 are arranged along the transverse direction, the first air outlets 15 are arranged between the infrared ranging sensors 11 and the evaporation fan 12 and correspond to the infrared ranging sensors 11 one by one, and each first air outlet 15 corresponds to each air door 12 through a cooling channel one.
The second air outlet 16 is located at the rear side of the evaporator 14, a water receiving box 18 for receiving liquid water generated when the evaporator 14 is defrosted is disposed below the evaporator 14, the refrigerator has an air duct plate 19 forming the first air outlet 15, the air duct plate 19 includes an inclined portion 191 located at the front side and a horizontal portion 192 horizontally extending from below the inclined portion 191, the first air outlet 15 is formed at the inclined portion 191, the air door 12 is disposed on the horizontal portion 192, and the air door 12 is sandwiched between the top wall of the cabinet 1 and the horizontal portion 192, and an air return port 17 is formed between the horizontal portion 192 and the water receiving box 18, so that the evaporation fan 13 can exhaust air from both sides of the middle air suction device. The evaporating fan 13 is a centrifugal fan 13, when the door body 2 is closed, the air door 12 is closed, and a refrigeration cycle is formed by the return air inlet 17 and the second air outlet 16.
The refrigerator further comprises a main control unit for adjusting the opening degree of the air door 12 according to the signals of the infrared ranging sensor 11, the main control unit adjusts the opening degree of the air door 12 corresponding to the sensing area according to the sensing distance and the sensing area, and meanwhile, the main control unit can also adjust the rotating speed of the evaporating fan 13 according to the sensing distance of the infrared ranging sensor 11.
The refrigerator with the air curtain function has two working modes, firstly, when the door body 2 is opened, the air doors 12 are all opened, the evaporation fan 13 generates an air curtain from the first air outlet 15 through the air doors 12 to isolate the interference of the external temperature to the internal temperature of the refrigerator, at the moment, each infrared ranging sensor 11 emits light beams downwards to form an induction light curtain, each light beam does not cross each other, and each infrared ranging sensor corresponds to each air door 12. When a user stretches hands to take and put articles, a part of light curtain is contacted with the user, the infrared ranging sensor 11 corresponding to the part of light curtain can measure the distance between the hand of the user (hereinafter referred to as a human hand) and the infrared ranging sensor 11, the infrared ranging sensor 11 is close to the first air outlet 15, the distance is equal to the distance between the hand of the user and the first air outlet 15, the main control unit adjusts the opening of the air door 12 corresponding to the infrared ranging sensor 11 for monitoring signals according to the distance, when the distance is far, the opening of the air door 12 is larger, when the distance is near, the opening of the air door 12 is smaller, and the other part of light curtain is not contacted with the user, namely, the opening of the air door 12 corresponding to the infrared ranging sensor 11 is not recognized by the user, so that the opening of the air door 12 is kept unchanged, the comfort of the user is improved, the opening of the air door 12 is kept unchanged in the area where the user is not sensed, the opening of the air door is kept, the air door is effectively kept, and the temperature of the air door is kept unchanged, and the temperature of the air door is kept in the area, and the air door is kept at the same, and the temperature is kept at the temperature of the air door is kept at the air, and the temperature is kept at the temperature, and the temperature of the outside is furthest, and the temperature is controlled.
Second, each infrared ranging sensor 11 emits light beam and mutually crosses to form the response light curtain net, can be by when the user stretches hand and gets and put article the response of light curtain net, the main control unit according to the people hand with the distance of first air outlet 15 adjusts the rotational speed of evaporation fan 13 is in order to avoid the staff to be blown the wound by cold wind, improves user's comfort level.
In summary, the refrigerator with the air curtain function of the present invention not only can realize block division and local control of the air curtain by arranging the corresponding infrared ranging sensor 11 and the corresponding air door 12 on the cabinet body 1 and adjusting the opening of the air door 12 according to the distance and the position of the hand and the first air outlet 15 by the main control unit, thereby not only ensuring that the hand is not damaged by cold air, but also keeping the opening of the air door unchanged in the area where the hand is not sensed to effectively isolate the external temperature, so as to avoid the influence of the external temperature on the internal temperature of the refrigerator to the greatest extent and reduce the temperature fluctuation. The main control unit can also be used for adjusting the rotating speed of the evaporating fan 13 to avoid the damage of hands and improve the comfort level of users.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a freezer with air curtain function, includes the cabinet body and the door body, its characterized in that, the freezer still have set up in a plurality of infrared range finding sensors at cabinet body top, with a plurality of air doors, the evaporation fan that infrared range finding sensor corresponds the setting, wherein, infrared range finding sensor is close to the door body sets up, the freezer still includes according to infrared range finding sensor's signal regulation air door aperture size's main control unit, main control unit corresponds according to infrared range finding sensor perception's sensing distance and sensing region the aperture size of air door in the sensing region, the freezer have respectively be located a plurality of first air outlets of evaporation fan front side, be located an air return opening of evaporation fan rear side and be located evaporation fan below, each first air outlet is through cooling capacity passageway and each air door is adjacent and end to end in order to set up in the evaporation fan periphery and is the form range finding sensor, infrared range finding sensor follows the infrared range finding sensor sensing distance and the sensor is followed the infrared range finding sensor and is formed the cross direction when the infrared range finding sensor and the cross direction is followed the infrared range finding sensor and is formed the infrared range finding sensor and is perpendicular to the air curtain sensor and is located the cross direction and is reached when the air curtain is formed the air curtain.
2. The refrigerator with an air curtain function as claimed in claim 1, wherein: in the front-back direction, the first air outlet is arranged between the infrared ranging sensor and the air door.
3. The refrigerator with an air curtain function as claimed in claim 1, wherein: the second air outlet is positioned at the rear side of the evaporator of the refrigerator, a water receiving box is arranged below the evaporator, the refrigerator is provided with an air duct plate forming the first air outlet, and an air return opening is formed between the air duct plate and the water receiving box.
4. A refrigerator with air curtain function as claimed in claim 3, wherein: the air duct plate comprises an inclined portion positioned at the front side of the air duct plate and a horizontal portion horizontally extending from the bottom end of the inclined portion, the first air outlet is formed in the inclined portion, and the air door is connected with the horizontal portion.
5. The refrigerator with an air curtain function as claimed in claim 1, wherein: the evaporation fan is a centrifugal fan, when the door body is closed, the air door is closed, and the air return port and the second air outlet form refrigeration circulation.
6. The refrigerator with an air curtain function as claimed in claim 1, wherein: the main control unit can also adjust the rotating speed of the evaporating fan according to the sensing distance of the infrared ranging sensor.
7. The refrigerator with an air curtain function as claimed in claim 1, wherein: the refrigerator is also provided with at least one shelf which is in a grid-shaped structure and is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500626.1A CN112066616B (en) | 2019-06-11 | 2019-06-11 | Refrigerator with air curtain function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500626.1A CN112066616B (en) | 2019-06-11 | 2019-06-11 | Refrigerator with air curtain function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112066616A CN112066616A (en) | 2020-12-11 |
| CN112066616B true CN112066616B (en) | 2023-10-13 |
Family
ID=73658033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500626.1A Active CN112066616B (en) | 2019-06-11 | 2019-06-11 | Refrigerator with air curtain function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112066616B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587528B (en) * | 2021-07-19 | 2022-12-27 | 珠海格力电器股份有限公司 | Fan control circuit and method for refrigeration equipment and refrigeration closed cabinet |
| CN116007270A (en) * | 2021-10-22 | 2023-04-25 | 重庆海尔制冷电器有限公司 | Refrigerating and freezing device |
| CN114322405A (en) * | 2021-12-30 | 2022-04-12 | 澳柯玛股份有限公司 | Forced air cooling wind channel subassembly and forced air cooling freezer |
| CN118640619A (en) * | 2024-08-14 | 2024-09-13 | 中品冷链设备制造(江苏)有限公司 | Refrigerating equipment with cold accumulation function for photovoltaic type movable refrigeration house |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106727A (en) * | 2001-09-28 | 2003-04-09 | Sanyo Electric Co Ltd | Refrigerator |
| CN2559596Y (en) * | 2002-06-25 | 2003-07-09 | 庄淑敏 | Commodity refrigeration display cabinet |
| CN101608854A (en) * | 2008-06-20 | 2009-12-23 | 海尔集团公司 | The outlet system of air of air-cooled refrigerator |
| WO2014198152A1 (en) * | 2013-06-14 | 2014-12-18 | 海尔集团公司 | Electric refrigerator |
| WO2015027885A1 (en) * | 2013-08-29 | 2015-03-05 | 海尔亚洲国际株式会社 | Refrigerator |
| KR20160020980A (en) * | 2014-08-16 | 2016-02-24 | 이정용 | A Refrigerator with Air Curtain |
| CN208025920U (en) * | 2018-03-16 | 2018-10-30 | 宣城市艺雪制冷设备有限公司 | A kind of air curtain regulating device of refrigerated display case |
-
2019
- 2019-06-11 CN CN201910500626.1A patent/CN112066616B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106727A (en) * | 2001-09-28 | 2003-04-09 | Sanyo Electric Co Ltd | Refrigerator |
| CN2559596Y (en) * | 2002-06-25 | 2003-07-09 | 庄淑敏 | Commodity refrigeration display cabinet |
| CN101608854A (en) * | 2008-06-20 | 2009-12-23 | 海尔集团公司 | The outlet system of air of air-cooled refrigerator |
| WO2014198152A1 (en) * | 2013-06-14 | 2014-12-18 | 海尔集团公司 | Electric refrigerator |
| WO2015027885A1 (en) * | 2013-08-29 | 2015-03-05 | 海尔亚洲国际株式会社 | Refrigerator |
| KR20160020980A (en) * | 2014-08-16 | 2016-02-24 | 이정용 | A Refrigerator with Air Curtain |
| CN208025920U (en) * | 2018-03-16 | 2018-10-30 | 宣城市艺雪制冷设备有限公司 | A kind of air curtain regulating device of refrigerated display case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112066616A (en) | 2020-12-11 |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266000 Haier Industrial Park, Qingdao Economic and Technological Development Zone, Shandong Province Applicant after: QINGDAO HAIER SPECIAL FREEZER Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266000 Haier Industrial Park, Qingdao Economic and Technological Development Zone, Shandong Province Applicant before: QINGDAO HAIER SPECIAL FREEZER Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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