CN114576916B - Industrial refrigerator evaporator coil defrosting device - Google Patents
Industrial refrigerator evaporator coil defrosting device Download PDFInfo
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- CN114576916B CN114576916B CN202210222723.0A CN202210222723A CN114576916B CN 114576916 B CN114576916 B CN 114576916B CN 202210222723 A CN202210222723 A CN 202210222723A CN 114576916 B CN114576916 B CN 114576916B
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- evaporator coil
- heating pipe
- air channel
- hot air
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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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
- F25D21/065—Removing frost by mechanical means
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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
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
- F25D21/125—Removing frost by hot-fluid circulating system separate from the refrigerant system the hot fluid being ambient air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Defrosting Systems (AREA)
Abstract
The invention relates to the technical field of manufacturing of light industrial instruments and discloses an industrial refrigerator evaporator coil defrosting device, which comprises an evaporator coil with the top and the bottom of a bracket penetrating through the bracket, wherein vent holes which are symmetrical in pairs are formed in the top and the bottom of the bracket, an electric heating wire is fixedly sleeved in the vent holes at the top, an electric control valve is fixedly sleeved at one end of the vent holes at the top, an air supply pipe is fixedly connected at one end of the vent holes, and movable grooves are formed in one ends of the top and the bottom of the bracket. The invention makes the defrosting link of the refrigerator through the designed heating wire, the ventilation hole, the blast pipe and the heating pipe, the high-pressure air flow can flow through the ventilation hole through the blast pipe, and enter the heating pipe after being heated under the influence of the heating wire, so that the high-pressure hot air flow heats and melts the frost outside the heating pipe, and the heat directly acts on the frost and the ice from inside to outside, thereby avoiding the problem that the heat is emitted to other directions inside the refrigerator by the external heating pipe and the inside of the refrigerator is quickly warmed up.
Description
Technical Field
The invention relates to the technical field of manufacturing of light industrial instruments, in particular to a defrosting device for an evaporator coil of an industrial refrigerator.
Background
The industrial refrigerator is a device for refrigerating by adopting a circulating refrigeration technology in the manufacture of light industrial appliances, and the main working principle is that a gaseous high-temperature low-pressure refrigerant is compressed into a gaseous high-temperature high-pressure refrigerant through a compressor, a liquid high-temperature high-pressure refrigerant is formed after the gaseous high-temperature high-pressure refrigerant passes through a heat exchange device, then the liquid high-temperature high-pressure refrigerant flows through a throttling device (such as a capillary tube) to reduce the pressure of the liquid high-pressure refrigerant and evaporate the liquid high-temperature high-pressure refrigerant to form a gas-liquid two-phase low-temperature low-pressure refrigerant, then the gas-liquid two-phase low-temperature low-pressure refrigerant exchanges heat with the interior of the refrigerator in an evaporator coil to take away heat in the refrigerator, so that the gas-liquid two-phase refrigerant is continuously evaporated, and then the low-temperature low-pressure refrigerant flows to the compressor to circulate.
In the process of refrigerant change, when the gas-liquid two-phase low-temperature low-pressure refrigerant in the evaporator coil flows to the compressor after leaving the refrigerator, the content of the liquid refrigerant in the gas-liquid two-phase is often too high due to insufficient absorbed heat, so that the compressor receives the liquid refrigerant, the service life of the compressor is reduced, meanwhile, the water in the internal circulating gas can be in contact with the evaporator coil in the refrigerator under the influence of the internal gas circulation in the refrigerator, frost and ice are formed on the surface of the evaporator coil, heat transfer is hindered, the refrigerating efficiency of the refrigerator is reduced, the existing refrigerator can set a program, the operation of the compressor is stopped according to time, a heater is additionally arranged near the evaporator coil, the evaporator coil is heated for a long time, frost and ice on the heater are melted, and the frost and ice are discharged from a pipeline arranged at the bottom of the evaporator coil, but in the mode, the contact area between the heater and the interior of the refrigerator is large, the heating time is long, the temperature of the heater can influence the interior of the refrigerator when the heater is heated, and the temperature of the heater is quickly increased in a short time in the refrigerator.
Disclosure of Invention
Aiming at the defects of the prior industrial refrigerator defrosting device in the use process, the invention provides an industrial refrigerator evaporator coil defrosting device, which is provided with a plurality of reducing channels formed between a gravity block and an evaporator coil, wherein gas-liquid two-phase refrigerant passes through the reducing channels, frost ice is further evaporated and condensed on a heating pipe under the throttling effect, hot air flows through the heating pipe, frost ice is directly acted on the heat from inside to outside, excessive diffusion of heat cannot occur, the hot air intermittent steering provides lifting force and pressure, the gravity block intermittently impacts the evaporator coil to vibrate the heating pipe, loose frost ice falls off under vibration, and the technical problems of high liquid refrigerant content caused by insufficient heat absorbed by the gas-liquid two-phase refrigerant and rapid temperature rise inside the refrigerator caused by the heater in the prior art are solved.
The invention provides the following technical scheme: the utility model provides an industry refrigerator evaporator coil defroster, includes the support top and the bottom evaporator coil that runs through the support, the ventilation hole of pairwise symmetry has been seted up to the top and the bottom of support, the heating wire has been cup jointed to the top to the fixed electric control valve that has cup jointed in ventilation hole internal fixation, the one end of ventilation hole, the one end fixedly connected with blast pipe of ventilation hole, the movable tank has been seted up to top and bottom one end of support, the heating pipe has been cup jointed in the outside activity of evaporator coil, the both ends outside fixedly connected with spacing ring of heating pipe, spacing ring activity cup joints in the movable tank, the inner chamber middle part fixedly connected with of heating pipe separates the layer, the heating pipe has separated into the hot air channel I of evaporator coil upside and the hot air channel II of evaporator coil downside for the center with the separation layer, the top fixedly connected with equipartition gravity piece of hot air channel I, the gravity piece runs through the top of evaporator coil to in its inner chamber, the bottom fixedly connected with spring, the outside bottom fixedly connected with of heating pipe of spring, the inner chamber department fixedly connected with spacing ring, first switching-over wind channel and second switching-over wind channel are seted up to first switching-over wind channel.
Preferably, the heating wire and the electric control valve are controlled by a control program, the blast pipe at the top is communicated with a high-pressure fan, the blast pipe at the bottom is communicated with the outside, and the high-pressure fan is controlled by the control program.
Preferably, the top end opening of the evaporator coil is in communication with the capillary tube, and the bottom end opening of the evaporator coil is in communication with the compressor.
Preferably, the evaporator coil and the heating pipe are rectangular pipes, a sealing layer I is arranged in the partition layer, and the inner side of the partition layer is matched with the outer side wall of the evaporator coil.
Preferably, the hot air channel I is communicated with upper side ventilation holes at the top and the bottom of the bracket, and the hot air channel II is communicated with lower side ventilation holes at the top and the bottom of the bracket.
Preferably, a sealing layer II is arranged on the outer side of the top of the gravity block, the bottom of the gravity block is arc-shaped, and the relative high points at the two ends of the arc-shaped are opposite to the flowing direction of the airflow.
Preferably, the inner side of the reversing disc is matched with the evaporator coil, the reversing disc and the evaporator coil are movably sleeved, and are subjected to sealing treatment, openings on two sides of the first air channel are communicated with the upper side space of the evaporator coil, and openings on two sides of the second air channel are communicated with the lower side space of the evaporator coil.
The invention has the following beneficial effects:
1. according to the invention, through the designed gravity block and the evaporator coil, the bottom of the gravity block and the bottom of the inner cavity of the evaporator coil form a reducing channel, so that when the gas-liquid two-phase refrigerant flows through the reducing channel, the pressure is further reduced and the temperature is further reduced under the influence of throttling, the total vapor amount of the gas-liquid two-phase refrigerant is further improved, the cooling effect is enhanced, and the problem that the service life of the compressor is short due to the fact that the content of the liquid refrigerant is too large when the gas-liquid two-phase refrigerant flows to the compressor through the evaporator is avoided.
2. The invention makes the defrosting link of the refrigerator through the designed heating wire, the ventilation hole, the blast pipe and the heating pipe, the high-pressure air flow can flow through the ventilation hole through the blast pipe, and enter the heating pipe after being heated under the influence of the heating wire, so that the high-pressure hot air flow heats and melts the frost outside the heating pipe, and the heat directly acts on the frost and the ice from inside to outside, thereby avoiding the problem that the heat is emitted to other directions inside the refrigerator by the external heating pipe and the inside of the refrigerator is quickly warmed up.
3. According to the invention, through the designed electric control valves, the hot air channel I, the hot air channel II, the gravity block and the spring, the two electric control valves can be opened and closed in an intermittent mode, so that high-pressure hot air flow intermittently and independently enters the hot air channel I and the hot air channel II, when the high-pressure hot air flow enters the hot air channel I, the high-pressure hot air flow exerts upward lifting force on the heating pipe, the heating pipe lifts upwards, the spring compresses the storage force, enough fall is provided for the gravity block, when the high-pressure hot air flow enters the hot air channel II, the high-pressure hot air flow exerts downward pressure on the heating pipe, the heating pipe falls down by matching with the storage force spring and the gravity block with the fall, and the gravity block intermittently impacts the evaporator coil pipe through the actions, so that the evaporator coil pipe vibrates, and the vibration is transmitted to the heating pipe, so that frost and ice which are loosened when the heating pipe is heated at the outer side of the heating pipe are quickly separated, and the purpose of quick defrosting is achieved.
4. According to the invention, through the designed reversing disc, the high-pressure hot air flow entering the hot air channel I can pass through the first air channel on the reversing disc, after the evaporator coil and the heating pipe are turned, the high-pressure hot air flow is still positioned at the upper side of the evaporator coil to provide lifting force, so that the high-pressure hot air flow entering the hot air channel II can pass through the second air channel on the reversing disc, after the evaporator coil and the heating pipe are turned, the high-pressure hot air flow is still positioned at the lower side of the evaporator coil to provide pressure, the problem that the directions of the high-pressure hot air flow are also changed after the evaporator coil and the heating pipe are turned, so that the lifting force and the pressure are offset is avoided, and the guarantee of the pressure direction of the high-pressure hot air flow is provided for intermittent movement of the gravity block.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of the structure of FIG. 1A according to the present invention;
FIG. 3 is a partially enlarged schematic view of the structure of FIG. 1B in accordance with the present invention;
FIG. 4 is a schematic view of a heating tube according to the present invention;
FIG. 5 is a schematic diagram of the reversing disc of the present invention;
FIG. 6 is a schematic view showing the structure of the heating tube of the present invention.
In the figure: 1. a bracket; 2. a vent hole; 3. heating wires; 4. an electric control valve; 5. a movable groove; 6. an air supply pipe; 7. an evaporator coil; 8. heating pipes; 9. a limiting ring; 10. a barrier layer; 101. a sealing layer I; 11. a hot air channel I; 12. a hot air channel II; 13. a gravity block; 131. a sealing layer II; 14. a spring; 15. a reversing disc; 16. a first air duct; 17. and a second air duct.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2 and 6, an industrial refrigerator evaporator coil defrosting device comprises a bracket 1, an evaporator coil 7 with the top and the bottom penetrating through the bracket 1, two symmetrical ventilation holes 2 are formed in the top and the bottom of the bracket 1, an electric heating wire 3 is fixedly sleeved in the ventilation holes 2 at the top, one end of each ventilation hole 2 is fixedly sleeved with an electric control valve 4, the electric heating wire 3 and the electric control valve 4 are controlled by a control program, one end of each ventilation hole 2 is fixedly connected with an air supply pipe 6, the air supply pipe 6 at the top is communicated with a high-pressure fan, the air supply pipe 6 at the bottom is communicated with the outside, the high-pressure fan is controlled by a control program, the high-pressure fan starts to convey high-pressure air flow to the air supply pipe 6 at the top of the bracket 1 when the control program starts to defrost device, the electric heating wires 3 start to be electrified and warmed up, then the two electric control valves 4 are intermittently opened and closed according to the set time under the control program, the air flow is enabled to intermittently pass through the two electric control valves 4, the high-pressure air flow enters the ventilation holes 2, the electric heating wire 3 blown through the electric control valves are controlled by the electric control valves, the electric heating wire 3 is warmed up, the high-pressure air flow enters into the heating pipe 8 to be warmed up, and is enabled to melt, the high-pressure air flow is finally flows and finally flows are enabled to flow and is enabled to be warmed up, and the defrosting and finally flows are enabled to flow from the bottom to be discharged from the bottom to the air supply pipe 6, and one end is provided with a circulation tank 5, and one end is formed by the circulation tank.
Referring to fig. 1-2 and fig. 4-6, the top end opening of the evaporator coil 7 is communicated with the capillary tube, the bottom end opening of the evaporator coil 7 is communicated with the compressor, the outer side of the evaporator coil 7 is movably sleeved with a heating pipe 8, the outer sides of two ends of the heating pipe 8 are fixedly connected with limiting rings 9, the limiting rings 9 are movably sleeved in the movable grooves 5, so that the movable grooves 5 limit the displacement of the limiting rings 9, the heating pipe 8 can be influenced by the movable grooves 5 when intermittently moving up and down, the inner wall of the heating pipe 8 can not be attached to the outer wall of the evaporator coil 7 all the time, the problem that after attachment, high-pressure hot air which is subsequently input does not have space to flow, the heating pipe 8 can not be intermittently lifted up and down is avoided, the evaporator coil 7 and the heating pipe 8 are rectangular pipes, the middle part of the inner cavity of the heating pipe 8 is fixedly connected with a partition layer 10, the sealing layer I101 is arranged in the partition layer 10, the inner side of the partition layer 10 is matched with the outer side wall of the evaporator coil 7 to avoid gas leakage, the heating pipe 8 is divided into a hot air channel I11 at the upper side of the evaporator coil 7 and a hot air channel II 12 at the lower side of the evaporator coil 7 by taking the partition layer 10 as the center, the hot air channel I11 is communicated with the upper side ventilation holes 2 at the top and the bottom of the bracket 1, the hot air channel II 12 is communicated with the lower side ventilation holes 2 at the top and the bottom of the bracket 1, when high-pressure hot air intermittently enters the hot air channel I11, the high-pressure hot air is worth noting that the pressure is high, the provided force is enough to enable the heating pipe to displace, the high-pressure hot air applies upward lifting force to the heating pipe 8, and the restoring force of the spring 14 is matched with the stretching force of the heating pipe 8 to enable the gravity block 13 to lift upwards, so that the spring 14 returns to a normal state, the force provided by the spring 14 is enough to overcome the friction force under the sealing of the gravity block 13, when the high-pressure hot air flow intermittently enters the hot air channel II 12, the high-pressure hot air flow applies downward pressure to the heating pipe 8, the heating pipe 8 is pressed down by matching with the gravity of the gravity block 13, the spring 14 stretches the accumulated force, the gravity block 13 impacts the evaporator coil 7, the evaporator coil 7 vibrates, the vibration is transmitted to the heating pipe 8, the melted and loosened frost and ice outside the heating pipe 8 are vibrated to fall off, and the defrosting and ice speed is accelerated.
Referring to fig. 1, fig. 4-fig. 6, the top end of the hot air channel i 11 is fixedly connected with uniformly distributed gravity blocks 13, a sealing layer ii 131 is arranged on the outer side of the top of the gravity blocks 13, leakage is avoided, the gravity blocks 13 penetrate through the top of the evaporator coil 7 to the inner cavity of the evaporator coil, the bottoms of the gravity blocks 13 are arc-shaped, the relative high points at the two ends of the arc are opposite to the flowing direction of air flow, so that the gas-liquid two-phase coolant flows in the evaporator coil 7, the gas-liquid two-phase coolant can flow from the relative high points of the arc to the relative low points of the arc, at the moment, a reducing channel is formed between the bottom of the gravity blocks 13 and the inner cavity bottom of the evaporator coil 7, so that the flowing gas-liquid two-phase coolant evaporates again, the vapor content is improved, the liquid content is reduced, the cooling effect is enhanced, the problem that the service life of the compressor is short due to the overlarge content of the liquid-phase coolant when flowing through the evaporator to the compressor is avoided, the bottom end of the hot air channel ii 12 is fixedly connected with a spring 14, and the top end of the spring 14 is fixedly connected with the outer bottom end of the evaporator coil 7.
Referring to fig. 1, fig. 3, fig. 5-fig. 6, the turning position of the inner cavity of the heating pipe 8 is fixedly connected with a reversing disc 15, the inner side of the reversing disc 15 is matched with the evaporator coil 7, the reversing disc 15 is movably sleeved with the evaporator coil 7, a first air channel 16 and a second air channel 17 are arranged in the reversing disc 15 after sealing treatment, openings on two sides of the first air channel 16 are communicated with the upper space of the evaporator coil 7, openings on two sides of the second air channel 17 are communicated with the lower space of the evaporator coil 7, when the high-pressure hot air in the hot air channel i 11 flows to the turning position, the first air channel 16 on the reversing disc 15 flows to the hot air channel i 11 still positioned above the evaporator coil 7 after turning, the high-pressure hot air still is positioned at the upper side of the evaporator coil 7 after flowing to the turning position, when the high-pressure hot air in the hot air channel ii 12 flows to the turning position through the second air channel 17 on the reversing disc 15, thus the high-pressure hot air still is positioned at the lower side of the evaporator coil 7 to provide pressure, the high-pressure hot air channel i 11 is avoided, the high-pressure hot air flow is still positioned at the lower side of the evaporator coil 7 after the turning position and the evaporator coil 7 and 8 flows to the high-pressure hot air channel i is offset, the high-pressure hot air flow is also, and the high-pressure hot air flow is generated, and the intermittent pressure is guaranteed, and the problem is caused, and the high pressure flow is caused, and the high pressure is caused, and the intermittent, and the pressure is caused.
The application method (working principle) of the invention is as follows:
firstly, when the program-set defrosting time of the refrigerator is up, the compressor stops working, at the moment, the spring 14 is in a normal state, the gravity block 13 cannot strike the evaporator coil 7, then the high-pressure fan starts to convey high-pressure air flow to the air supply pipe 6 at the top of the bracket 1, the heating wire 3 starts to be electrified and heated, then the two electric control valves 4 are intermittently opened and closed according to the set time under the program control, the high-pressure air flow intermittently passes through the two electric control valves 4, when the upper electric control valve 4 is opened, the lower electric control valve 4 is closed, the high-pressure air flow enters the upper ventilation hole 2, the high-pressure air flow heats the heating wire 3 blown through the high-pressure air flow to form a high-pressure air flow into the hot air channel I11, the high-pressure air flow heats and melts frost and ice outside the heating pipe 8, the high-pressure air flow applies upward lifting force to the heating pipe 8, the spring 14 is compressed, the heating pipe 8 is lifted upwards, the gravity block 13 is lifted upwards, and meanwhile, the limit ring 9 limits upward displacement of the heating pipe 8, when the high-pressure air flow is lifted upwards in the air channel I11, the turning position, the first turning air channel 16 flowing upwards through the reversing disc 15 is still located above the evaporator coil 7;
then, the lower electric control valve 4 is opened, the upper electric control valve 4 is closed, the high-pressure air flow enters the lower ventilation hole 2, the electric heating wire 3 in which the high-pressure air flow blows is heated, high-pressure hot air flow is formed to enter the hot air channel II 12, the high-pressure hot air flow heats and melts frost and ice on the outer side of the heating pipe 8, the high-pressure hot air flow applies downward pressure to the heating pipe 8, the heating pipe 8 is rapidly pressed down by matching with the gravity of the gravity block 13 and the restoring force of the compression spring 14, the spring 14 stretches at the moment, the gravity block 13 impacts the evaporator coil 7, the impact force is larger at the moment, the evaporator coil 7 vibrates, the vibration amplitude is larger, the vibration is transmitted to the heating pipe 8, frost and ice which are melted and loosened on the outer side of the heating pipe 8 are vibrated to fall off, and when the high-pressure hot air flow flows to the hot air channel II 12 through the second air channel 17 on the reversing disc 15 to the hot air channel II below the evaporator coil 7 after turning;
finally, the two electric control valves 4 are intermittently opened and closed under the control of a program, the gravity block 13 intermittently impacts the evaporator coil 7, the heating pipe 8 is intermittently lifted and pressed down and intermittently vibrates to finish defrosting, at the moment, melted frost, ice and fallen frost and ice fall down to the lower pipeline to be discharged, after the set defrosting time is up, the defrosting device stops running, the high-pressure fan does not convey high-pressure air flow, the electric control valve 4 is not intermittently opened and closed any more, the electric heating wire 3 is closed, then, the compressor is started again, the gas-liquid two-phase coolant flows in the evaporator coil 7 again, the restoring force of the stretched or compressed spring 14 is matched with the gravity of the gravity block 13, the gravity block 13 is reset, the bottom of the gravity block 13 and the bottom of the inner cavity of the evaporator coil 7 form a reducing channel, the flowing gas-liquid two-phase refrigerant is evaporated again, the vapor content is increased, the liquid content is reduced, and finally, the gas-liquid two-phase refrigerant is subjected to heat exchange and refrigeration with the inside of the refrigerator through the evaporator coil 7 and the heating pipe 8.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An industrial refrigerator evaporator coil defroster, includes at the top of support (1) and bottom runs through evaporator coil (7) of support (1), its characterized in that: the utility model discloses a spring type evaporator, including support (1) and spring type evaporator, ventilation hole (2) of two symmetries have been seted up to top and bottom of support (1), the top ventilation hole (2) internal fixation has cup jointed heating wire (3), the top the one end fixed of ventilation hole (2) has cup jointed automatically controlled valve (4), the one end fixedly connected with blast pipe (6) of ventilation hole (2), movable groove (5) have been seted up to top and bottom one end of support (1), the outside activity of evaporator coil (7) has cup jointed heating pipe (8), the both ends outside fixedly connected with spacing ring (9) of heating pipe (8), spacing ring (9) activity cup joint in movable groove (5), the inner chamber middle part fixedly connected with separation layer (10) of heating pipe (8), heating pipe (8) have divided into hot air channel I (11) of evaporator coil (7) upside and hot air channel II (12) of evaporator coil (7) downside with separation layer (10) as the center, gravity piece (13) are fixedly connected with on top of hot air channel I (11), gravity piece (13) are fixed with in the bottom of spring type evaporator coil (7) and spring type evaporator coil (14) in the bottom fixedly connected with top of spring type evaporator coil (14), the inner cavity turning part of the heating pipe (8) is fixedly connected with a reversing disc (15), and a first air channel (16) and a second air channel (17) are formed in the reversing disc (15).
2. An industrial refrigerator evaporator coil defroster as set forth in claim 1 wherein: the electric heating wire (3) and the electric control valve (4) are controlled by a control program, the blast pipe (6) at the top is communicated with a high-pressure fan, the blast pipe (6) at the bottom is communicated with the outside, and the high-pressure fan is controlled by the control program.
3. An industrial refrigerator evaporator coil defroster as set forth in claim 1 wherein: the top end opening of the evaporator coil (7) is communicated with the capillary tube, and the bottom end opening of the evaporator coil (7) is communicated with the compressor.
4. An industrial refrigerator evaporator coil defroster as set forth in claim 1 wherein: the evaporator coil (7) and the heating pipe (8) are rectangular pipes, a sealing layer I (101) is arranged in the isolation layer (10), and the inner side of the isolation layer (10) is matched with the outer side wall of the evaporator coil (7).
5. An industrial refrigerator evaporator coil defroster as set forth in claim 1 wherein: the hot air channel I (11) is communicated with the upper side ventilation holes (2) at the top and the bottom of the bracket (1), and the hot air channel II (12) is communicated with the lower side ventilation holes (2) at the top and the bottom of the bracket (1).
6. An industrial refrigerator evaporator coil defroster as set forth in claim 1 wherein: the top outside of gravity piece (13) is equipped with sealing layer II (131), the bottom of gravity piece (13) is the arc, and the relative high point at arc both ends just is to the flow direction of air current.
7. An industrial refrigerator evaporator coil defroster as set forth in claim 1 wherein: the inner side of the reversing disc (15) is matched with the evaporator coil (7), the reversing disc and the evaporator coil are movably sleeved, and are subjected to sealing treatment, openings on two sides of the first air channel (16) are communicated with the upper side space of the evaporator coil (7), and openings on two sides of the second air channel (17) are communicated with the lower side space of the evaporator coil (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222723.0A CN114576916B (en) | 2022-03-09 | 2022-03-09 | Industrial refrigerator evaporator coil defrosting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222723.0A CN114576916B (en) | 2022-03-09 | 2022-03-09 | Industrial refrigerator evaporator coil defrosting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114576916A CN114576916A (en) | 2022-06-03 |
| CN114576916B true CN114576916B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210222723.0A Active CN114576916B (en) | 2022-03-09 | 2022-03-09 | Industrial refrigerator evaporator coil defrosting device |
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| CN (1) | CN114576916B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206488512U (en) * | 2017-02-13 | 2017-09-12 | 硕楠 | A kind of air source heat pump evaporator dedusting removes frost system |
| CN108645097A (en) * | 2018-05-22 | 2018-10-12 | 刘清泉 | A kind of freezer comb automatic defrosting device |
| CN111578602A (en) * | 2018-08-28 | 2020-08-25 | 蒋远民 | Device and method for removing ice cubes in refrigerator in reciprocating vibration mode |
| CN111829204A (en) * | 2020-06-15 | 2020-10-27 | 山东圣克莱尔新能源有限公司 | Heat pump frost device for tea making |
| CN112361656A (en) * | 2020-11-09 | 2021-02-12 | 湖南哲能赫新能源有限责任公司 | Energy-saving air source heat pump unit |
| JP2021127904A (en) * | 2020-02-14 | 2021-09-02 | 富士電機株式会社 | Cooling device |
| CN113865219A (en) * | 2021-09-01 | 2021-12-31 | 安徽安泽电工股份有限公司 | Defrosting heater, refrigerator evaporator and refrigerator |
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2022
- 2022-03-09 CN CN202210222723.0A patent/CN114576916B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206488512U (en) * | 2017-02-13 | 2017-09-12 | 硕楠 | A kind of air source heat pump evaporator dedusting removes frost system |
| CN108645097A (en) * | 2018-05-22 | 2018-10-12 | 刘清泉 | A kind of freezer comb automatic defrosting device |
| CN111578602A (en) * | 2018-08-28 | 2020-08-25 | 蒋远民 | Device and method for removing ice cubes in refrigerator in reciprocating vibration mode |
| JP2021127904A (en) * | 2020-02-14 | 2021-09-02 | 富士電機株式会社 | Cooling device |
| CN111829204A (en) * | 2020-06-15 | 2020-10-27 | 山东圣克莱尔新能源有限公司 | Heat pump frost device for tea making |
| CN112361656A (en) * | 2020-11-09 | 2021-02-12 | 湖南哲能赫新能源有限责任公司 | Energy-saving air source heat pump unit |
| CN113865219A (en) * | 2021-09-01 | 2021-12-31 | 安徽安泽电工股份有限公司 | Defrosting heater, refrigerator evaporator and refrigerator |
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| CN114576916A (en) | 2022-06-03 |
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