CN111854297A - Efficient defrosting device for air cooler - Google Patents
Efficient defrosting device for air cooler Download PDFInfo
- Publication number
- CN111854297A CN111854297A CN201910353992.9A CN201910353992A CN111854297A CN 111854297 A CN111854297 A CN 111854297A CN 201910353992 A CN201910353992 A CN 201910353992A CN 111854297 A CN111854297 A CN 111854297A
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- China
- Prior art keywords
- air
- connecting rod
- cooler
- outlet side
- air cooler
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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- 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)
- Air-Flow Control Members (AREA)
Abstract
A high-efficient air-cooler defrosting device includes: the air conditioner comprises an air outlet side shutter, an air outlet side shutter connecting rod, an air outlet side connecting rod controller, an air return side shutter connecting rod and an air return side shutter connecting rod controller. When the air cooler is in a refrigeration working condition, the air outlet side louver and the air inlet side louver are opened simultaneously, and cold air flows on the air outlet side and the air return side to perform refrigeration cycle. When the air cooler is in the defrosting working condition, the air outlet side shutter and the air inlet side shutter are closed simultaneously to completely enclose and block the air cooler fins. At the moment, hot air for defrosting is limited to flow between the air outlet shutter and the air return shutter, so that the hot air for defrosting is prevented from overflowing. The defrosting efficiency of the air cooler is improved, the rise of the temperature in the refrigerator is restrained, and the problems of frosting, condensation, water dripping and the like on the ceiling surface of the refrigerator are avoided. Meanwhile, the air outlet side shutters in a closed state can be used as baffles to separate the air cooler motor from the air cooler fins, defrosting water is effectively prevented from flowing into the motor, the working environment of the motor is protected, and the service life of the air cooler is prolonged.
Description
Technical Field
The invention relates to a thermal defrosting technology of a refrigerating system, in particular to a defrosting device of an efficient air cooler.
Background
The air cooler is an evaporator commonly used in a refrigeration system of a refrigeration house. Under the low temperature operating mode, the phenomenon of frosting appears in the air-cooler usually, if the frost layer too thick can reduce its heat transfer performance by a wide margin, worsens the refrigeration effect of air-cooler, and this just needs in time to change the frost and handles. In two main modes (electric heating defrosting and hot fluorine defrosting) of defrosting of the air cooler at present, hot air for defrosting always overflows from the air outlet side and the air return side of the air cooler. The overflowed hot gas not only reduces the defrosting efficiency, but also causes the temperature in the refrigeration house to rise, thus leading the phenomena of frosting, condensation and water dripping on the ceiling surface of the refrigeration house to occur.
Disclosure of Invention
The invention provides a control device for inhibiting defrosting hot gas overflow and improving defrosting effect aiming at the problem of the deficiency of the prior art. The control device of the invention not only can improve defrosting effect, but also can effectively inhibit the problems of dripping water, condensation and the like caused by overflow of defrosting hot gas;
this controlling means includes: the air conditioner comprises an air outlet side shutter, an air outlet side shutter connecting rod, an air outlet side connecting rod controller, an air return side shutter connecting rod and an air return side shutter connecting rod controller.
The air outlet side louver blades are made of ABS low-temperature resistant plastic, are rectangular and are arranged in the air cooler static pressure box. The length of the air cooler is equal to that of the air cooler fins, the air cooler fins are evenly arranged in the length direction of the air cooler, and the air cooler outlet can be completely shielded when the blades are closed. The width of each blade is equal and is about 1/2 of the width of the static pressure box of the air cooler.
The air outlet side shutter blades are connected with one end of a connecting rod of the air outlet side shutters, and the movable connecting rod can control the movement of the shutters so as to control the opening and closing of the air outlet side shutters. The other end of the connecting rod is connected with a connecting rod controller, the connecting rod controller is an electromagnet powered step by step, and the connecting rod is controlled to move by electrifying and powering off the electromagnet so as to control the opening/closing state of the air outlet side louver. The step power supply makes the motion of the louver on the air outlet side mild and uniform, and avoids physical damage caused by sudden opening and closing.
When the air cooler is in a refrigeration working condition, the air outlet side connecting rod controller is powered off, and the air outlet side shutters are in an open state;
when the air cooler is in the defrosting working condition, the air outlet side connecting rod controller is electrified, and the air outlet side shutters are in a closed state.
Because the air-out side tripe is located the air-cooler static pressure incasement, therefore the air-out side tripe of closed state can be regarded as a baffle, separates air-cooler motor and defrosting fin and comes, avoids the water that defrosts to get into the air-cooler, protects the operational environment of air-cooler.
The air return side shutter blades are made of ABS low-temperature resistant plastics and are rectangular. The length of the air cooler fins is equal to that of the air cooler fins, the air cooler fins are uniformly arranged in the length direction of the air cooler, and the air cooler fins can be completely shielded when the blades are closed. The width of the return side louver is 1/3 of the height of the air cooler.
The air return side shutter blades are connected with one end of an air return side shutter connecting rod, and the movement of the air return side shutter can be controlled by the control connecting rod so as to control the opening and closing of the air return side shutter. The other end of the connecting rod is connected with a connecting rod controller, the connecting rod controller is an electromagnet supplied with power step by step, and the electromagnet is powered on and powered off to control the movement of the air return side shutter control connecting rod and further control the opening and closing of the air return side shutter. The step power supply makes the shutter action of the return air side moderate and uniform, and avoids the physical damage caused by sudden opening and closing.
When the air cooler is in a refrigeration working condition, the air return side connecting rod controller is powered off, and the air return side shutter is in an open state. Because the air outlet side shutter connecting rod controller and the air return side shutter connecting rod controller are powered off simultaneously, the air outlet side shutter connecting rod and the air return side shutter connecting rod are driven to act simultaneously, and the air outlet side shutter and the air return side shutter are in an open state simultaneously. At the moment, the air outlet side louver blades are consistent with the air outlet direction of the air cooler; the air return side shutter and the air cooler fin form air return of 45 degrees.
When the air cooler is in the defrosting working condition, the air return side connecting rod controller is electrified, and the air return side shutter is in a closed state. Because the air outlet side shutter connecting rod controller and the air return side shutter connecting rod controller are simultaneously electrified, the air outlet side shutter connecting rod and the air return side shutter connecting rod are driven to simultaneously act, and the air outlet side shutter and the air return side shutter are simultaneously in a completely closed state. At the moment, the whole evaporator fin is enclosed and blocked in a limited space by the air outlet side shutter, the air return side shutter and the cold air sheet metal shell, so that the defrosted hot air is limited to flow in the limited space. The defrosting device not only effectively prevents the overflow of defrosting hot gas and improves the utilization efficiency of defrosting heat, but also avoids the problems of frost formation, condensation, water dripping and the like on the ceiling surface of the refrigeration house caused by the overflow of the defrosting hot gas.
Drawings
Fig. 1 is a schematic structural diagram of the control device. In the figure, 1 is a return air side shutter, 2 is an air outlet side shutter, 3 is an air cooler fin, 4 is an air cooler static pressure box, 5 is a return air side shutter connecting rod, 6 is an air outlet side shutter connecting rod, 7 is a return air side shutter connecting rod controller, and 8 is an air outlet side shutter connecting rod controller.
FIG. 2 is a side view of the device in a defrosting mode.
FIG. 3 is a top view of the device under defrosting conditions.
Fig. 4 is a side view of the device in a refrigeration condition.
FIG. 5 is a top view of the device in a refrigeration condition.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects achieved by the device easy to understand, the working principle of the device is further explained below with reference to the accompanying drawings.
The device is realized by the following technology: a high-efficient air-cooler defrosting device includes: the air conditioner comprises an air outlet side shutter (2), an air outlet side shutter connecting rod (6), an air outlet side connecting rod controller (8), an air return side shutter (1), an air return side shutter connecting rod (5) and an air return side shutter connecting rod controller (7).
The air outlet side shutter blades (2) are made of ABS low-temperature resistant plastic and are rectangular and are arranged in the air cooler static pressure box (4). The length of the air cooler is equal to that of the air cooler fins (3), the air cooler fins are uniformly arranged in the length direction of the air cooler, and the air cooler outlet can be completely shielded when the blades are closed. The width of each blade is equal and is about 1/2 of the width of the static pressure box of the air cooler.
The air outlet side shutter blades are connected with one end of an air outlet side shutter connecting rod (6), and the movable connecting rod can control the movement of the shutters so as to control the opening and closing of the air outlet side shutters. The other end of the connecting rod is connected with a connecting rod controller (8), the connecting rod controller is an electromagnet powered step by step, and the movement of the connecting rod is controlled by the electrification and the outage of the electromagnet, so that the opening/closing state of the louver on the air outlet side is controlled. The step power supply makes the motion of the louver on the air outlet side mild and uniform, and avoids physical damage caused by sudden opening and closing.
When the air cooler is in a refrigeration working condition, the air outlet side connecting rod controller is powered off, and the air outlet side shutters are in an open state;
when the air cooler is in the defrosting working condition, the air outlet side connecting rod controller is electrified, and the air outlet side shutters are in a closed state.
Because the air outlet side louver is positioned in the air cooler static pressure box, the air outlet side louver in a closed state can be regarded as a baffle, and devices such as an air cooler motor and the like and defrosting fins are separated, so that the air cooler motor is protected from being heated, and the working environment of the air cooler is improved.
The air return side shutter blade (1) is made of ABS low temperature resistant plastic, and the blade is rectangular. The length of the air cooler fins is equal to that of the air cooler fins, the air cooler fins are uniformly arranged in the length direction of the air cooler, and the air cooler fins can be completely shielded when the blades are closed. The width of the return side louver is 1/3 of the height of the air cooler.
The air return side shutter blades are connected with one end of an air return side shutter connecting rod (5), the movement of the air return side shutter can be controlled by the movement of the control connecting rod so as to achieve the purpose of controlling the opening and closing of the air return side shutter, and the other end of the connecting rod is connected with a connecting rod controller (7). This link controller is the substep power supply electro-magnet, and the circular telegram of electro-magnet and the removal of outage control return air side tripe control connecting rod, and then the switching of control return air side tripe, and the substep power supply makes return air side tripe move and relaxes evenly, avoids because of the physical damage that suddenly the switching caused.
When the air cooler is in a refrigeration working condition, the air return side connecting rod controller is powered off, and the air return side shutter is in an open state. Because the air outlet side shutter connecting rod controller and the air return side shutter connecting rod controller are powered off simultaneously, the air outlet side shutter connecting rod and the air return side shutter connecting rod are driven to act simultaneously, and the air outlet side shutter and the air return side shutter are in an open state simultaneously. At the moment, the air outlet side louver blades are consistent with the air outlet direction of the air cooler; the air return side shutter and the air cooler fin form air return of 45 degrees.
When the air cooler is in the defrosting working condition, the air return side connecting rod controller is electrified, and the air return side shutter is in a closed state. Because the air outlet side shutter connecting rod controller and the air return side shutter connecting rod controller are simultaneously electrified, the air outlet side shutter connecting rod and the air return side shutter connecting rod are driven to simultaneously act, and the air outlet side shutter and the air return side shutter are simultaneously in a completely closed state. At the moment, the fins of the whole evaporator are exhausted by the air outlet side shutter, the air return side shutter and the metal plate shell of the air cooler
The enclosure is in the effective space. The defrosted hot gas is confined to flow in this space only. The defrosting device not only effectively prevents the overflow of defrosting hot gas and improves the utilization efficiency of defrosting heat, but also avoids the problems of frost formation, condensation, water dripping and the like on the ceiling surface of the refrigeration house caused by the overflow of the defrosting hot gas.
Claims (5)
1. A high-efficient air-cooler defrosting device includes: the air conditioner comprises an air outlet side shutter (2), an air outlet side shutter connecting rod (6), an air outlet side connecting rod controller (8), an air return side shutter (1), an air return side shutter connecting rod (5) and an air return side shutter connecting rod controller (7).
2. The efficient air cooler defrosting device according to claim 1, characterized in that: the blades of the air outlet side louver (2) are made of ABS low-temperature resistant plastic, are rectangular and are arranged in the static pressure box of the air cooler.
3. The length of the air cooler is equal to that of the air cooler fins, the air cooler fins are evenly arranged in the length direction of the air cooler, the air cooler outlet can be completely shielded when the blades are closed, and the width of each blade is equal to 1/2 of the width of the static pressure box of the air cooler.
4. The efficient air cooler defrosting device according to claim 1, characterized in that: the blades of the air return side louver (1) are made of ABS low-temperature-resistant plastic, are rectangular, are equal to the length of the air cooler fins, are uniformly arranged in the length direction of the air cooler, can completely shield the air cooler fins when the blades are closed, and are 1/3 of the height of the air cooler.
5. The efficient air cooler defrosting device according to claim 1, characterized in that: when the air cooler is in a refrigeration working condition, the air return side connecting rod controller (7) is powered off, the air return side louver (1) is in an open state, and the air outlet side louver connecting rod controller (8) and the air return side louver connecting rod controller (7) are powered off simultaneously to drive the air outlet side louver connecting rod (6) and the air return side louver connecting rod (5) to act simultaneously, so that the air outlet side louver (2) and the air return side louver (1) are in an open state simultaneously, and at the moment, the blades of the air outlet side louver (2) are consistent with the air outlet direction of the air cooler; the air return side shutter (1) and the air cooler fin form air return at an angle of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353992.9A CN111854297A (en) | 2019-04-29 | 2019-04-29 | Efficient defrosting device for air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353992.9A CN111854297A (en) | 2019-04-29 | 2019-04-29 | Efficient defrosting device for air cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111854297A true CN111854297A (en) | 2020-10-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353992.9A Pending CN111854297A (en) | 2019-04-29 | 2019-04-29 | Efficient defrosting device for air cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111854297A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164492A (en) * | 2022-07-21 | 2022-10-11 | 苏州翊曼生物科技有限公司 | Stop fluctuating air-cooler of temperature during defrosting |
| CN116026081A (en) * | 2023-03-29 | 2023-04-28 | 北京星宇环试科技有限公司 | Ultralow temperature device suitable for nonflammable mixed refrigerant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435647A (en) * | 2008-12-12 | 2009-05-20 | 海信科龙电器股份有限公司 | Frost-free refrigerator air door |
| US20090217688A1 (en) * | 2005-06-08 | 2009-09-03 | Reinhold Resch | Refrigerating device |
| CN103673470A (en) * | 2013-12-04 | 2014-03-26 | 渤海造船厂集团有限公司 | Automatic defrosting device of cold storage |
| CN108375263A (en) * | 2018-02-11 | 2018-08-07 | 北京首工科技开发有限公司 | The medical freezer and its temperature control method that library Wen Jun does not transfinite when defrost, enabling |
| CN208458314U (en) * | 2018-07-02 | 2019-02-01 | 浙江高翔工贸有限公司 | A kind of energy-saving type air cooler of efficient defrosting |
-
2019
- 2019-04-29 CN CN201910353992.9A patent/CN111854297A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090217688A1 (en) * | 2005-06-08 | 2009-09-03 | Reinhold Resch | Refrigerating device |
| CN101435647A (en) * | 2008-12-12 | 2009-05-20 | 海信科龙电器股份有限公司 | Frost-free refrigerator air door |
| CN103673470A (en) * | 2013-12-04 | 2014-03-26 | 渤海造船厂集团有限公司 | Automatic defrosting device of cold storage |
| CN108375263A (en) * | 2018-02-11 | 2018-08-07 | 北京首工科技开发有限公司 | The medical freezer and its temperature control method that library Wen Jun does not transfinite when defrost, enabling |
| CN208458314U (en) * | 2018-07-02 | 2019-02-01 | 浙江高翔工贸有限公司 | A kind of energy-saving type air cooler of efficient defrosting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164492A (en) * | 2022-07-21 | 2022-10-11 | 苏州翊曼生物科技有限公司 | Stop fluctuating air-cooler of temperature during defrosting |
| CN116026081A (en) * | 2023-03-29 | 2023-04-28 | 北京星宇环试科技有限公司 | Ultralow temperature device suitable for nonflammable mixed refrigerant |
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Application publication date: 20201030 |
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