CN111141089A - Hot gas defrosting heat insulation plate device of cold storage air cooler - Google Patents

Hot gas defrosting heat insulation plate device of cold storage air cooler Download PDF

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Publication number
CN111141089A
CN111141089A CN202010047078.4A CN202010047078A CN111141089A CN 111141089 A CN111141089 A CN 111141089A CN 202010047078 A CN202010047078 A CN 202010047078A CN 111141089 A CN111141089 A CN 111141089A
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CN
China
Prior art keywords
air cooler
cold storage
plate device
heat insulation
hot gas
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Pending
Application number
CN202010047078.4A
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Chinese (zh)
Inventor
刘清江
宁璐璐
郭凯
程世聪
洪登科
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Tianjin University of Commerce
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Tianjin University of Commerce
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Publication date
Application filed by Tianjin University of Commerce filed Critical Tianjin University of Commerce
Priority to CN202010047078.4A priority Critical patent/CN111141089A/en
Publication of CN111141089A publication Critical patent/CN111141089A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D13/00Stationary devices, e.g. cold-rooms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/06Walls
    • F25D23/065Details

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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)
  • Defrosting Systems (AREA)

Abstract

The invention discloses a hot gas defrosting and heat insulating plate device of a cold storage air cooler, which comprises a cold storage air cooler (100); the center positions of the front side and the rear side of the cold storage air cooler are respectively provided with a circular air inlet (101) and an air outlet; the air inlet (101) is communicated with the environment outside the refrigeration house where the refrigeration house air cooler is installed; the air outlet is communicated with an internal article storage space of the refrigeration house where the refrigeration house air cooler is installed; the cold storage air cooler (100) is provided with an air cooler front heat insulation plate device and an air cooler rear heat insulation plate device; the air cooler front heat insulation plate device is used for selectively conducting or closing the air inlet (101); and the rear heat insulation plate device of the air cooler is used for selectively switching on or switching off the air outlet. The invention has scientific structural design, can avoid the condition that the defrosting area of the coil pipe of the air cooler is connected with the low-temperature environment in the refrigerator at present to influence the low-temperature field of the refrigerator, and prevents hot gas from entering the refrigerator, thereby ensuring the quality of the refrigerating substances in the refrigerator.

Description

Hot gas defrosting heat insulation plate device of cold storage air cooler
Technical Field
The invention relates to the technical field of hot gas defrosting, in particular to a hot gas defrosting heat insulation plate device of a refrigeration house air cooler.
Background
At present, hot gas defrosting is a defrosting mode more commonly used, and hot gas defrosting system is usually including hot gas pipeline, evaporation plant, drain, middle pressure vessel and the low pressure circulation bucket that connects gradually, and the hot gas defrosting mode of adoption is: the hot gas pipeline conveys high-temperature gas to the evaporation plant to melt frosting on the evaporation plant, the high-temperature gas and frosting on the evaporation plant become liquid after carrying out heat exchange, then, the rethread drain discharges liquid and steps down in the intermediate pressure vessel, then conveys liquid to the low pressure circulation bucket in via the intermediate pressure vessel. In the process, the exhaust gas of the compressor is directly led into the evaporator (namely the evaporation device), and the pressure difference is large, so that the evaporator coil is easy to have large impact action, and even burst can occur when the control is not proper.
In addition, in the defrosting process, hot gas is inevitably emitted into the refrigeration house, so that the low-temperature field of the refrigeration house is directly influenced, and the defrosting energy consumption is increased. Meanwhile, due to the reason, the defrosting process has great influence on the quality of the stored substances in the refrigeration house.
Disclosure of Invention
The invention aims to provide a hot gas defrosting heat insulation plate device of a refrigeration house air cooler, aiming at the technical defects in the prior art.
Therefore, the invention provides a hot gas defrosting and heat insulating plate device of a cold storage air cooler, which comprises the cold storage air cooler;
the center positions of the front side and the rear side of the cold storage air cooler are respectively provided with a circular air inlet and a circular air outlet;
the air inlet is communicated with the environment outside the refrigeration house where the refrigeration house air cooler is installed;
the air outlet is communicated with an internal article storage space of the refrigeration house where the refrigeration house air cooler is installed;
the cold air cooler of the refrigeration house is provided with a front heat insulation plate device of the cold air cooler and a rear heat insulation plate device of the cold air cooler;
the air cooler front heat insulation plate device is used for selectively conducting or closing the air inlet;
and the rear heat insulation plate device of the air cooler is used for selectively switching on or switching off the air outlet.
The air cooler front heat insulation plate device comprises electric louver blades and a second polyethylene plate;
the four second polyethylene plates are respectively fixed on the periphery of the air inlet of the air cooler of the refrigeration house;
and the electric louver blades are arranged among the four second polyethylene plates.
When the second polyethylene plate is fixed around the air inlet of the cold storage air cooler, the shape of the concrete composition is rectangular.
Wherein, be provided with the relay switch on the connecting line between electronic shutter plate and the external power supply for control switches on or breaks off the connection between electronic shutter plate and the external power supply.
Wherein, heat shield plate device includes two synchronous reversible motor, two pivots, two connecting rods and two first polyethylene boards behind the air-cooler, wherein:
the two rotating shafts are respectively rotatably pivoted at the left end and the right end of the top of the cold storage air cooler;
the top of each rotating shaft is connected with an output shaft at the bottom end of a synchronous reversible motor;
the two first polyethylene plates are respectively distributed on the left side and the right side of the cold storage air cooler;
each first polyethylene plate is far away from the upper part of the outer side of the cold storage air cooler and is fixedly connected with the lower part of one connecting rod;
the upper part of each connecting rod is fixedly connected with the outer side of the output shaft at the bottom end of the adjacent synchronous reversible motor.
Wherein, the connecting rod is a connecting rod with L rows in front view.
Compared with the prior art, the hot gas defrosting heat insulation plate device of the cold storage air cooler has scientific structural design, can prevent the defrosting area of the coil pipe of the air cooler from being connected with the low-temperature environment in the cold storage to influence the low-temperature field of the cold storage, and prevents hot gas from entering the cold storage, thereby ensuring the quality of the substances stored in the cold storage.
Compared with the prior hot air defrosting mode, the invention can effectively reduce the defrosting energy consumption, is more beneficial to protecting the quality of the refrigerating substances in the refrigeration house, and has better defrosting function and obvious energy-saving effect.
Drawings
FIG. 1 is a front view of a rear heat-insulating plate device of an air cooler, which is included in the hot gas defrosting heat-insulating plate device of an air cooler for a refrigeration house according to the present invention;
FIG. 2 is a top view of a rear heat-insulating plate device of an air cooler, which is included in the hot gas defrosting heat-insulating plate device of a cold storage air cooler provided by the invention;
FIG. 3 is a front view of a hot gas defrosting heat insulation plate device of a cold storage air cooler, which comprises a front heat insulation plate device of the air cooler;
fig. 4 is a side view of a hot gas defrosting heat insulation plate device of a cold storage air cooler, which is included in the hot gas defrosting heat insulation plate device of the cold storage air cooler.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and embodiments.
Referring to fig. 1 to 4, the invention provides a hot gas defrosting and heat insulating board device of a cold storage air cooler, which is a partition device for partitioning a cold and hot temperature field in a low temperature environment, and specifically comprises a cold storage air cooler 100;
the central positions of the front side and the rear side of the cold storage air cooler 100 are respectively provided with a circular air inlet 101 and a circular air outlet (not shown);
wherein, the air inlet 101 is communicated with the environment (for example, outdoor) outside the refrigerator where the refrigerator air cooler 100 is installed;
an air outlet communicating with an internal article storage space of a refrigerator in which the refrigerator air-cooler 100 is installed;
the cold storage air cooler 100 is provided with an air cooler front heat insulation plate device and an air cooler rear heat insulation plate device;
the air cooler front heat insulation plate device is used for selectively conducting or closing the air inlet 101;
and the rear heat insulation plate device of the air cooler is used for selectively switching on or switching off the air outlet.
The cold-storage air cooler 100 has therein an air cooler coil that needs to be defrosted.
In the invention, the front heat insulation plate device of the air cooler comprises an electric louver blade 6 and a second polyethylene plate 7;
the four second polyethylene plates 7 are respectively fixed on the periphery of an air inlet 101 of the cold storage air cooler 100; the shape of the specific composition may be a rectangle as shown in fig. 3.
And the electric louver blades 6 (comprising a plurality of blades which are sequentially linked and connected) are arranged among the four second polyethylene plates 7.
It should be noted that the electric louver 6 is a common structure of the existing electric louver, and is a mature technology, and is not described herein again.
In concrete implementation, a relay switch 5 is arranged on a connecting line between the electric louver 6 and an external power supply for controlling to switch on or off the connection between the electric louver 6 and the external power supply (for example, an external household 220V alternating current power supply or a stepped-down direct current power supply), namely, controlling to switch on and off to realize the closing and opening of the louver 6, thereby realizing the closing and opening of the front partition device of the air inlet 101 of the air cooler 100 of the refrigeration house.
It should be noted that the relay switch 5 can be controlled to be turned on or off according to a switch control signal (for example, a high-level or low-level relay switch control signal) sent by the external control module.
In the invention, in particular, the rear heat insulation plate device of the air cooler comprises two synchronous reversible motors 3, two rotating shafts 4, two connecting rods 2 and two first polyethylene plates 1, wherein:
the two rotating shafts 4 are respectively rotatably pivoted at the left end and the right end of the top of the cold storage air cooler 100 (for example, an inner ring of a bearing can be connected, and an outer ring of the bearing is fixed at the top of the cold storage air cooler 100);
the top of each rotating shaft 4 is connected with an output shaft at the bottom end of one synchronous reversible motor 3;
the two first polyethylene plates 1 are respectively distributed on the left side and the right side of the cold storage air cooler 100;
each first polyethylene plate 1 is far away from the upper part of the outer side of the cold storage air cooler 100 and is fixedly connected with the lower part of one connecting rod 2;
the upper part of each connecting rod 2 is fixedly connected with the outer side of the output shaft at the bottom end of the adjacent synchronous reversible motor 3.
In a specific implementation, the connecting rods 2 are L-shaped connecting rods in front view.
In particular, the first polyethylene sheet 1 is fixed in a stab-type fashion.
It should be noted that, for the invention, the synchronous reversible motor 3 drives the connecting rod 2 to rotate, and the connecting rod 2 drives the first polyethylene plate 1 to rotate, so as to open and close the rear partition device of the air cooler corresponding to the air outlet of the air cooler.
In order to more clearly understand the technical solution of the present invention, the following describes the working principle of the present invention.
As shown in fig. 1, before the hot gas defrost cycle is performed. The synchronous reversible motors 3 on the two sides of the rear heat insulation plate device of the air cooler are started, the output ends of the synchronous reversible motors 3 drive the connecting rods 2 to rotate, the other ends of the connecting rods 2 drive the first polyethylene plates 1 to rotate (anticlockwise rotate), when the first polyethylene plates 1 cover the rear side of the cold storage air cooler 100, the synchronous reversible motors 3 stop working, and at the moment, the air outlets on the rear side of the cold storage air cooler 100 are blocked, namely closed, and are not communicated with the storage space of articles in the cold storage where the cold storage air cooler 100 is installed. Meanwhile, referring to fig. 3, the relay switch 5 of the air cooler front insulation board device is turned on, and is powered off, so that the electric louver 6 is driven to be closed, and the air inlet 101 at the front side of the cold storage air cooler 100 is closed and does not supply air any more.
After the hot gas defrosting is finished, the synchronous reversible motors 3 on the two sides of the air cooler rear heat insulation plate device are started, the output ends of the synchronous reversible motors 3 drive the connecting rods 2 to operate, the other ends of the connecting rods 2 drive the polyethylene plates 1 to rotate (rotate clockwise), the resetting work is carried out, and when the refrigerator air cooler 100 rotates to the left side and the right side, the synchronous reversible motors 3 stop working. Meanwhile, referring to fig. 3, the relay switch 5 of the air cooler front insulation board device is turned off, the electric louver 6 is electrically conducted to operate, and the electric louver 6 is turned on, so that the air inlet 101 at the front side of the cold storage air cooler 100 is opened to operate normally.
Compared with the prior art, the hot gas defrosting and heat insulating plate device of the air cooler for the refrigeration house, provided by the invention, has the following beneficial effects:
1. the invention has simple structure and is easy to reform and install the existing hot gas defrosting equipment.
2. The defrosting partition device can greatly reduce the influence of hot gas defrosting on a temperature field of the refrigeration house, and blocks heat from dissipating into the refrigeration house, thereby not only reducing defrosting time and saving defrosting energy consumption, but also effectively improving the quality of frozen products.
3. The invention can be widely used in hot-gas defrosting equipment for freezers and storages of foods, medicines and the like.
Compared with the prior art, the hot gas defrosting heat insulation plate device of the cold air blower for the refrigeration house, which is provided by the invention, has a scientific structural design, can prevent the condition that the defrosting area of the coil pipe of the air blower is connected with the low-temperature environment in the refrigeration house at present to influence the low-temperature field of the refrigeration house, and prevent hot gas from entering the refrigeration house, thereby ensuring the quality of the refrigerated substances in the refrigeration house.
Compared with the prior hot air defrosting mode, the invention can effectively reduce the defrosting energy consumption, is more beneficial to protecting the quality of the refrigerating substances in the refrigeration house, and has better defrosting function and obvious energy-saving effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A hot gas defrosting and heat insulating plate device of a cold storage air cooler is characterized by comprising a cold storage air cooler (100);
the center positions of the front side and the rear side of the cold storage air cooler (100) are respectively provided with a circular air inlet (101) and an air outlet;
the air inlet (101) is communicated with the environment outside the refrigeration house where the refrigeration house air cooler (100) is installed;
an air outlet which is communicated with an internal article storage space of a refrigeration house where the refrigeration house air cooler (100) is installed;
the cold storage air cooler (100) is provided with an air cooler front heat insulation plate device and an air cooler rear heat insulation plate device;
the air cooler front heat insulation plate device is used for selectively conducting or closing the air inlet (101);
the rear heat insulation plate device of the air cooler is used for selectively switching on or switching off the air outlet;
the air cooler front heat insulation plate device comprises electric louver blades (6) and a second polyethylene plate (7);
the four second polyethylene plates (7) are respectively fixed on the periphery of an air inlet (101) of the cold storage air cooler (100);
and the electric louver blades 6 are arranged among the four second polyethylene plates 7.
2. The hot gas defrosting heat insulating panel device of a cold storage air cooler according to claim 1, characterized in that the shape of the specific composition of the second polyethylene panel (7) is rectangular when it is fixed around the air inlet (101) of the cold storage air cooler (100).
3. The hot gas defrosting and insulating panel apparatus for cold storage air coolers according to claim 1 or 2, characterized in that a relay switch (5) is provided on the connection line between the electric louver (6) and the external power supply for controlling the connection between the electric louver (6) and the external power supply.
4. The hot gas defrosting insulation panel device of a cold storage air cooler according to any of claims 1 to 3, characterized in that the rear air cooler insulation panel device comprises two synchronous reversible motors (3), two shafts of rotation (4), two connecting rods (2) and two first polyethylene panels (1), wherein:
the two rotating shafts (4) are respectively rotatably pivoted at the left end and the right end of the top of the cold storage air cooler (100);
the top of each rotating shaft (4) is connected with an output shaft at the bottom end of a synchronous reversible motor (3);
the two first polyethylene plates (1) are respectively distributed on the left side and the right side of the cold storage air cooler (100);
each first polyethylene plate (1) is far away from the upper part of the outer side of the cold storage air cooler (100) and is fixedly connected with the lower part of one connecting rod (2);
the upper part of each connecting rod (2) is fixedly connected with the outer side of the output shaft at the bottom end of the adjacent synchronous reversible motor (3).
5. The hot gas defrosting heat insulating panel apparatus of a cold storage air cooler according to claim 4 characterized in that the connecting rod (2) is a connecting rod having an L-shaped front view.
CN202010047078.4A 2020-01-16 2020-01-16 Hot gas defrosting heat insulation plate device of cold storage air cooler Pending CN111141089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010047078.4A CN111141089A (en) 2020-01-16 2020-01-16 Hot gas defrosting heat insulation plate device of cold storage air cooler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010047078.4A CN111141089A (en) 2020-01-16 2020-01-16 Hot gas defrosting heat insulation plate device of cold storage air cooler

Publications (1)

Publication Number Publication Date
CN111141089A true CN111141089A (en) 2020-05-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010047078.4A Pending CN111141089A (en) 2020-01-16 2020-01-16 Hot gas defrosting heat insulation plate device of cold storage air cooler

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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