CN114161906A - Air curtain adjusting structure, refrigerator car and refrigerator car air curtain control method - Google Patents
Air curtain adjusting structure, refrigerator car and refrigerator car air curtain control method Download PDFInfo
- Publication number
- CN114161906A CN114161906A CN202111553091.8A CN202111553091A CN114161906A CN 114161906 A CN114161906 A CN 114161906A CN 202111553091 A CN202111553091 A CN 202111553091A CN 114161906 A CN114161906 A CN 114161906A
- Authority
- CN
- China
- Prior art keywords
- air curtain
- air
- fan
- adjusting structure
- port
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004378 air conditioning Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an air curtain adjusting structure, a refrigerator car and an air curtain control method of the refrigerator car, wherein the air curtain adjusting structure comprises the following components: the air conditioning unit comprises a unit shell, a fresh air inlet, an air curtain port, a heat exchanger, an adjusting device and a fan, wherein the fresh air inlet and the air curtain port are arranged on the unit shell; when the air curtain adjusting structure is in an air curtain state, the adjusting device is connected with the fan and the air curtain port and separates the fan and the heat exchanger; when the air curtain adjusting structure is in a heat exchange state, the adjusting device is connected with the fan and the fresh air port and separates the fan and the air curtain port. According to the air curtain adjusting structure, the refrigerator car and the refrigerator car air curtain control method, the air outlet direction of the inner machine can be controlled through detecting a door opening and closing signal, so that whether an air curtain exists or not is controlled; the power of the internal fan can be adjusted by detecting the humidity change in the box body caused by the natural wind blowing into the box body, the wind pressure of the formed wind curtain is increased, and the natural wind entering is reduced; the refrigerating unit integrates the air curtain function.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to an air curtain adjusting structure suitable for a top-outlet refrigerator car, the refrigerator car and an air curtain control method of the refrigerator car.
Background
The refrigerator is firstly opened for precooling before a door of a traditional refrigerator car is opened for loading, and when a refrigerating unit is shut down after precooling is completed and then the door is opened for loading and unloading goods, but after the door is opened, due to the temperature difference and pressure difference of air inside and outside the compartment body, external damp and hot air easily enters the compartment body and then encounters cold, condensed water is formed on the inner wall of the compartment and the loaded goods, so that the problems of goods package damage, food bacterial pollution, rot and the like are caused, and meanwhile, the temperature inside the compartment body is increased, so that the energy consumption of the refrigerating unit is increased; this problem occurs frequently even in the case of a door which is frequently opened during transportation or when a load or unload is carried to a destination.
In the prior art, a patent discloses that an air curtain machine is installed in addition above refrigerator car back door and is realized the isolated of the inside and outside air of railway carriage after opening the door, but this patent does not consider the problem that natural wind blows in the railway carriage body the description such as, thereby also does not have the description that detects the signal of closing the door and stop the air curtain machine operation, can lead to the air curtain machine to last the operation power consumption too high like this, and this patent increases the use cost of whole car in addition specially also.
Disclosure of Invention
The invention provides an air curtain adjusting structure, a refrigerator car and a refrigerator car air curtain control method, which are particularly suitable for a top-air-out type refrigerator car and aim to solve the technical problems that in the prior art, when a door is opened in a precooling refrigeration or loading and unloading state, an air curtain structure which enables external hot and humid air to enter a car body and then generates condensed water when meeting cold is complex, and the air curtain and the heat exchange state cannot be switched according to the door opening and closing condition.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides an air curtain adjusting structure, which comprises: the air conditioning unit comprises a unit shell, a fresh air inlet, an air curtain port, a heat exchanger, an adjusting device and a fan, wherein the fresh air inlet and the air curtain port are arranged on the unit shell;
when the air curtain adjusting structure is in an air curtain state, the adjusting device is connected with the fan and the air curtain port and separates the fan and the heat exchanger;
when the air curtain adjusting structure is in a heat exchange state, the adjusting device is connected with the fan and the fresh air port and separates the fan and the air curtain port.
Further, the adjusting device includes:
the air deflector is rotatably arranged in the unit shell and used for partitioning the unit shell into a fresh air duct communicated with the fresh air port and an air curtain duct communicated with the air curtain port;
and the power mechanism is used for driving the air deflector to rotate and enabling the fan to be connected into the air curtain air duct or the fresh air duct.
Furthermore, a fresh air port is arranged at one end of the unit shell, an air curtain port is arranged at the bottom of the other end of the unit shell, and the fan is arranged at the bottom of the unit shell;
when the air deflector rotates to the rear end to abut against the top of the unit shell and the front end abuts against the bottom of the unit shell, the fan is connected into the air curtain air duct, and the air curtain adjusting structure is in an air curtain state;
when the air deflector rotates to the position that the rear end of the air deflector abuts against the bottom of the unit shell and the front end of the air deflector abuts against the top of the unit shell, the fan is connected into the fresh air duct, and the air curtain adjusting structure is in a heat exchange state.
Further, the power mechanism comprises:
the wind guide motor is arranged on the unit shell, the wind guide plate is fixedly arranged on an output shaft of the wind guide motor, and the output shaft is parallel to the horizontal plane and used for driving the wind guide plate to rotate around the output shaft.
Preferably, the fan is arranged at the bottom of the unit shell and faces the air guide plate, and comprises a driver, an air guide motor connected with the driver and fan blades connected with an output shaft of the air guide motor.
The invention also provides a refrigerator car, which comprises a carriage body, an inner machine and an outer machine, wherein the inner machine and the outer machine are respectively and correspondingly arranged inside and outside the car body, the inner machine adopts the air curtain adjusting structure, and the heat exchanger adopts an evaporator.
Further, the rear end of the railway carriage or compartment body is equipped with a body, and the internal top rear end of railway carriage or compartment is located to air curtain adjustment structure, and unit housing rear end is close to the rear end of the railway carriage or compartment body, still includes: the controller is arranged in the outer machine, the door opening and closing sensors are arranged on two sides of the door body, and the humidity sensor is arranged at the bottom in the compartment body; the controller controls the adjusting device to set the air curtain adjusting structure into an air curtain state or a heat exchange state according to the opening and closing conditions of the door body.
The invention also provides a refrigerator car air curtain control method, which applies the refrigerator car and comprises the following steps:
detecting whether the door body is opened;
and controlling the adjusting device to set the air curtain adjusting structure into an air curtain state or a heat exchange state according to the opening and closing conditions of the door body.
Further, controlling the adjusting device to set the air curtain adjusting structure into an air curtain state or a heat exchange state according to the opening and closing condition of the door body comprises:
if the door body is opened, the air curtain adjusting structure is set to be in an air curtain state until the door body is detected to be closed;
if the door body is closed, the air curtain adjusting structure is set to be in a heat exchange state, the refrigerating unit is started to refrigerate until the temperature in the compartment body reaches the precooling target temperature, and meanwhile, the humidity sensor in the compartment body detects the humidity Ha in the compartment body.
Further, if the door body is opened, the air curtain adjusting structure is set to be in an air curtain state and then the air curtain adjusting structure further comprises:
counting the total time T that the real-time humidity H in the compartment is greater than the humidity Ha in the compartment;
judging whether the total duration T is greater than or equal to a critical duration T0;
if so, increasing the running frequency V of the fan;
and if not, returning to continuously detect the real-time humidity H in the compartment body.
Compared with the prior art, the air curtain adjusting structure, the refrigerator car and the refrigerator car air curtain control method provided by the invention can control the air outlet direction of the indoor unit by detecting the door opening and closing signal, so as to control the existence of the air curtain; the power of an internal fan can be adjusted by detecting the wind pressure of natural wind blown into the compartment body, the wind pressure of a formed wind curtain is increased, and the natural wind is reduced; the refrigerating unit integrates the air curtain function; the problem that the refrigerator unit consumes large energy due to heat exchange inside and outside the carriage body after the refrigerator car opens the door is solved; the problems of package damage, food pollution, decay damage, dust and mosquito entering caused by the fact that moist and hot air enters the compartment body to form condensed water after the refrigerator car is opened are solved; the problem of traditional refrigerator car install air curtain machine additional and cause the cost too high is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an air curtain adjustment structure according to an embodiment of the present invention;
FIG. 2 is a first schematic diagram illustrating a fan adjustment mechanism for a refrigerated vehicle according to an embodiment of the present invention;
FIG. 3 is a second schematic diagram of the fan adjustment mechanism of a refrigerator car according to an embodiment of the present invention;
fig. 4 is a block flow diagram of a method for controlling a pre-cooling of a refrigerator car according to an embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1-an air curtain adjusting structure; 2-an external machine; 3-a door opening and closing sensor; 4-a humidity sensor; 10-air curtain port; 11-a wind guide motor; 12-a wind deflector; 13-a heat exchanger; 14-a fan; 15-a unit housing; 16-fresh air port.
Wherein, other labels in the figure:
a, setting the air curtain adjusting structure to be the position of an air deflector in a heat exchange state; and the B-air curtain adjusting structure is arranged at the position of the air deflector in the air curtain state.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following will explain the principle and structure of the present invention in detail with reference to fig. 1-4 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides an air curtain adjusting structure 1, including: a unit housing 15, the unit housing 15 preferably being rectangular; the air conditioning unit further comprises a fresh air port 16 and an air curtain port 10 which are arranged on the unit shell 15, and a heat exchanger 13, an adjusting device and a fan 14 which are arranged between the fresh air port 16 and the air curtain port 10; when the air curtain adjusting structure 1 is in an air curtain state, the adjusting device is connected with the fan 14 and the air curtain port 10 and separates the heat exchanger 13; when the air curtain adjusting structure 1 is in a heat exchange state, the adjusting device is connected with the fan 14 and the fresh air port 16 and separates the air curtain port 10.
In this embodiment, the adjusting means comprises: the air deflector 12 is rotatably arranged in the unit shell 15 and separates the unit shell 15 into a fresh air duct communicated with a fresh air port 16 and an air curtain duct communicated with the air curtain port 10; and the power mechanism is used for driving the air deflector 12 to rotate and enabling the fan 14 to be connected into the air curtain air duct or the fresh air duct.
In this embodiment, one end of the unit housing 15 is provided with a fresh air inlet 16, and the bottom of the other end of the unit housing 15 is provided with an air curtain port 10, and the air curtain port 10 is preferably a side flow pressurized air duct port extending downwards and having a narrowed cross section; the fan 14 is arranged at the bottom of the unit shell 15; when the air deflector 12 rotates to the rear end thereof to abut against the top of the unit shell 15 and the front end thereof abuts against the bottom of the unit shell 15, the fan 14 is connected into the air curtain air duct, meanwhile, the air deflector 12 seals the fresh air duct, and the air curtain adjusting structure 1 is in an air curtain state; when the air deflector 12 rotates to a position where the rear end of the air deflector abuts against the bottom of the unit housing 15 and the front end of the air deflector abuts against the top of the unit housing 15, the fan 14 is connected to the fresh air duct, and meanwhile, the air deflector 12 seals the air curtain duct, and the air curtain adjusting structure 1 is in a heat exchange state.
In this embodiment, the power mechanism includes: the wind guide motor 11 is installed on the unit shell 15, the wind guide plate 12 is connected with an output shaft of the wind guide motor 11 through a rotating pivot shaft provided with sealing rubber or sponge which has the function of sealing an air duct at the periphery, the rotating pivot shaft is fixedly installed on the output shaft of the wind guide motor 11, and the output shaft is arranged in parallel to the horizontal plane and used for driving the wind guide plate 12 to rotate around the output shaft. In a preferred embodiment, the fan 14 is disposed at the bottom of the unit housing 15 opposite to the air guide plate 12, and includes a driver, an air guide motor 11 connected to the driver, and a blade connected to an output shaft of the air guide motor 11. In a preferred embodiment, the fan 14 is an axial fan 14.
The invention also provides a refrigerator car, which comprises a car body, an inner machine and an outer machine 2 which are respectively and correspondingly arranged inside and outside the car body, wherein the inner machine adopts the air curtain adjusting structure 1, and the heat exchanger 13 adopts an evaporator. In this embodiment, the rear end of the carriage body is equipped with the door body with the same width as the internal machine, and the top rear end in the carriage body is located to air curtain adjustment structure 1, and the rear end of unit casing 15 is close to the rear end of the carriage body, still includes: the controller is arranged in the outer machine 2, the door opening and closing sensor 3 is arranged on two sides of the door body, and the humidity sensor 4 is arranged at the bottom in the compartment body; the controller controls the adjusting device to set the air curtain adjusting structure 1 to be in an air curtain state or a heat exchange state according to the opening and closing conditions of the door body.
Referring to fig. 4, the present invention further provides a method for controlling an air curtain of a refrigerator car, in which the refrigerator car includes the following steps:
detecting whether the door body is opened;
the adjusting device is controlled according to the opening and closing conditions of the door body to set the air curtain adjusting structure 1 to be in an air curtain state or a heat exchange state.
In this embodiment, controlling the adjusting device to set the air curtain adjusting structure 1 to the air curtain state or the heat exchange state according to the opening and closing condition of the door body includes:
if the door body is opened, judging that the refrigerator car is in a door opening loading and unloading mode or temporarily opened in a precooling refrigeration state, when the refrigerator car is temporarily opened in the precooling refrigeration state, controlling the air guide motor to rotate by the driver at the moment, driving the air guide plate to rotate to the position B, forming an air curtain, and setting the air curtain adjusting structure 1 to be in an air curtain state until the door body is detected to be closed;
if the door body is closed, the refrigerator car is judged to be in a door closing precooling refrigeration mode, the driver controls the air guide motor to rotate to drive the air guide plate to rotate to the position A, the air curtain adjusting structure 1 is set to be in a heat exchange state, the refrigerating unit is started to refrigerate until the temperature in the compartment body reaches a precooling target temperature, and meanwhile, the humidity sensor in the compartment body detects the humidity Ha in the compartment body and feeds the humidity Ha back to the controller.
As a preferred embodiment, when the refrigerator car is in the door opening and closing loading and unloading mode, if the door body is opened, the door opening and closing detector detects a door opening signal and feeds the door opening signal back to the controller, the controller controls the external unit to stop running and stop refrigerating, the driver controls the air guide motor to rotate, the air guide plate is driven to rotate to the position B, and the air curtain is formed. As a more preferred embodiment of the method,
the setting of the air curtain adjusting structure 1 to the air curtain state further includes:
the humidity sensor detects the real-time humidity H inside the compartment body and feeds back the real-time humidity H to the controller, and the controller counts the total time length T of H & gt Ha; the controller judges whether the total duration T is greater than or equal to a critical duration T0; if yes, the controller controls the operation frequency V of the fan 14 of the internal machine to be increased; if not, returning to continuously detect the real-time humidity H in the compartment body through the humidity sensor.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air curtain adjusting structure comprising: the air conditioning unit is characterized by further comprising a fresh air port and an air curtain port which are arranged on the unit shell, and a heat exchanger, an adjusting device and a fan are arranged between the fresh air port and the air curtain port;
when the air curtain adjusting structure is in an air curtain state, the adjusting device is connected with the fan and the air curtain port and separates the fan and the heat exchanger;
when the air curtain adjusting structure is in a heat exchange state, the adjusting device is connected with the fan and the fresh air port and separates the fan and the air curtain port.
2. The air curtain adjusting structure as claimed in claim 1, wherein the adjusting means comprises:
the air deflector is rotatably arranged in the unit shell and used for partitioning the unit shell into a fresh air duct communicated with the fresh air port and an air curtain duct communicated with the air curtain port;
and the power mechanism is used for driving the air deflector to rotate and enabling the fan to be connected into the air curtain air duct or the fresh air duct.
3. The air curtain adjusting structure as claimed in claim 2, wherein:
the fresh air port is arranged at one end of the unit shell, the air curtain port is arranged at the bottom of the other end of the unit shell, and the fan is arranged at the bottom of the unit shell;
when the air deflector rotates to the position that the rear end of the air deflector abuts against the top of the unit shell and the front end of the air deflector abuts against the bottom of the unit shell, the fan is connected into the air curtain air duct, and the air curtain adjusting structure is in an air curtain state;
when the air deflector rotates to the position that the rear end of the air deflector abuts against the bottom of the unit shell and the front end of the air deflector abuts against the top of the unit shell, the fan is connected into the fresh air duct, and the air curtain adjusting structure is in a heat exchange state.
4. The air curtain adjusting structure as claimed in claim 2, wherein:
the power mechanism comprises:
the wind guide motor is arranged on the unit shell, the wind guide plate is fixedly arranged on an output shaft of the wind guide motor, and the output shaft is parallel to the horizontal plane and used for driving the wind guide plate to rotate around the output shaft.
5. The air curtain adjusting structure as claimed in claim 3, wherein: the fan is arranged at the bottom of the unit shell and is right opposite to the air guide plate, and the fan comprises a driver, an air guide motor connected with the driver and fan blades connected with an output shaft of the air guide motor.
6. A refrigerator car, including the railway carriage or compartment body, locate the internal machine and outer machine inside and outside the car body correspondingly respectively, characterized by that, the said internal machine has adopted the air curtain of any claim 1-5 to adjust the structure, the said heat exchanger adopts the evaporator.
7. A refrigerator car as claimed in claim 6, wherein the rear end of the compartment is provided with a door, the air curtain adjustment structure is provided at the rear end of the top portion of the compartment, and the rear end of the unit housing is close to the rear end of the compartment, further comprising: the controller is arranged in the outer machine, the door opening and closing sensors are arranged on two sides of the door body, and the humidity sensor is arranged at the bottom in the compartment body; the controller controls the adjusting device to set the air curtain adjusting structure into an air curtain state or a heat exchange state according to the opening and closing conditions of the door body.
8. A refrigerator car air curtain control method, characterized in that the refrigerator car of claim 6 or 7 is applied, comprising the steps of:
detecting whether the door body is opened;
and controlling the adjusting device to set the air curtain adjusting structure into an air curtain state or a heat exchange state according to the opening and closing conditions of the door body.
9. The method for controlling the air curtain of the refrigerator car as claimed in claim 8, wherein the controlling the adjusting device to set the air curtain adjusting structure to the air curtain state or the heat exchange state according to the opening and closing condition of the door body comprises:
if the door body is opened, the air curtain adjusting structure is set to be in an air curtain state until the door body is detected to be closed;
if the door body is closed, the air curtain adjusting structure is set to be in a heat exchange state, the refrigerating unit is started to refrigerate until the temperature in the compartment body reaches the pre-cooling target temperature, and meanwhile, the humidity sensor in the compartment body detects the humidity Ha in the compartment body.
10. The refrigerator car air curtain control method as claimed in claim 9,
if the door body is opened, then still include after setting up air curtain adjustment structure as the air curtain state:
counting the total time T that the real-time humidity H in the compartment is greater than the humidity Ha in the compartment;
judging whether the total duration T is greater than or equal to a critical duration T0;
if so, increasing the running frequency V of the fan;
and if not, returning to continuously detect the real-time humidity H in the compartment body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553091.8A CN114161906A (en) | 2021-12-17 | 2021-12-17 | Air curtain adjusting structure, refrigerator car and refrigerator car air curtain control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553091.8A CN114161906A (en) | 2021-12-17 | 2021-12-17 | Air curtain adjusting structure, refrigerator car and refrigerator car air curtain control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114161906A true CN114161906A (en) | 2022-03-11 |
Family
ID=80487268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111553091.8A Pending CN114161906A (en) | 2021-12-17 | 2021-12-17 | Air curtain adjusting structure, refrigerator car and refrigerator car air curtain control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114161906A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200191077Y1 (en) * | 2000-02-23 | 2000-08-16 | 오정안 | Door air curtain device of subway |
| WO2017130014A1 (en) * | 2016-01-29 | 2017-08-03 | Carrier Corporation | Air curtain systems and methods for containers |
| CN107839580A (en) * | 2016-09-21 | 2018-03-27 | 比亚迪股份有限公司 | Refrigerator car air curtain and refrigerator car |
| CN207247666U (en) * | 2017-03-20 | 2018-04-17 | 青岛海尔电冰箱有限公司 | A kind of energy-saving refrigerator |
| CN210624821U (en) * | 2019-08-23 | 2020-05-26 | 南京清安科技有限公司 | New fan that single fan realized air inlet, air exhaust and internal circulation conversion |
| CN111735254A (en) * | 2020-06-22 | 2020-10-02 | 长虹美菱股份有限公司 | Refrigeration appliance with air curtain and control method thereof |
| CN216300712U (en) * | 2021-12-17 | 2022-04-15 | 珠海格力电器股份有限公司 | Air curtain adjusting structure and refrigerator car |
-
2021
- 2021-12-17 CN CN202111553091.8A patent/CN114161906A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200191077Y1 (en) * | 2000-02-23 | 2000-08-16 | 오정안 | Door air curtain device of subway |
| WO2017130014A1 (en) * | 2016-01-29 | 2017-08-03 | Carrier Corporation | Air curtain systems and methods for containers |
| CN107839580A (en) * | 2016-09-21 | 2018-03-27 | 比亚迪股份有限公司 | Refrigerator car air curtain and refrigerator car |
| CN207247666U (en) * | 2017-03-20 | 2018-04-17 | 青岛海尔电冰箱有限公司 | A kind of energy-saving refrigerator |
| CN210624821U (en) * | 2019-08-23 | 2020-05-26 | 南京清安科技有限公司 | New fan that single fan realized air inlet, air exhaust and internal circulation conversion |
| CN111735254A (en) * | 2020-06-22 | 2020-10-02 | 长虹美菱股份有限公司 | Refrigeration appliance with air curtain and control method thereof |
| CN216300712U (en) * | 2021-12-17 | 2022-04-15 | 珠海格力电器股份有限公司 | Air curtain adjusting structure and refrigerator car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280991B (en) | Device and method for automatically regulating refrigerated container body inside and outside air pressure balance | |
| US20160101674A1 (en) | Refrigerated Container with Dual Air Curtain | |
| CN107806734A (en) | The control method of refrigeration plant and refrigeration plant | |
| JP2000088422A (en) | Refrigerator chamber temperature controlling device and method for refrigerator | |
| CN216300712U (en) | Air curtain adjusting structure and refrigerator car | |
| CN108344224A (en) | Refrigerator and its operation method | |
| CN209672683U (en) | A kind of ducting assembly structure for wind cooling refrigerator | |
| CN109373694A (en) | Refrigerator | |
| JPH09210536A (en) | Cold storage type cold insulation box | |
| CN114161906A (en) | Air curtain adjusting structure, refrigerator car and refrigerator car air curtain control method | |
| CN108344230A (en) | Anti-condensation refrigerator and its operation method | |
| CN209101650U (en) | refrigerating unit | |
| JPH07228249A (en) | Air-conditioning device for vehicle | |
| JPS6316669B2 (en) | ||
| KR100301502B1 (en) | Method for controlling operation of inverter refrigerator | |
| CN115108191A (en) | Be used for passive form cold chain transportation ternary eutectic water salt solution to store up cold equipment | |
| JPS624859Y2 (en) | ||
| CN114183981A (en) | Refrigeration house and control method | |
| CN208170824U (en) | Door body is provided with the refrigerator of hothouse | |
| WO2019128832A1 (en) | Refrigerator with drying chamber provided on door | |
| JP3160430B2 (en) | Heat pump type air conditioner for vehicles | |
| CN109373695A (en) | Refrigerator | |
| JP4612968B2 (en) | Air conditioner for vehicles | |
| CN209558765U (en) | Air supply device and refrigerator | |
| CN220507072U (en) | Air supply device of refrigeration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |