CN110017637B - High-performance heat exchanger with defrosting mechanism - Google Patents
High-performance heat exchanger with defrosting mechanism Download PDFInfo
- Publication number
- CN110017637B CN110017637B CN201910333574.3A CN201910333574A CN110017637B CN 110017637 B CN110017637 B CN 110017637B CN 201910333574 A CN201910333574 A CN 201910333574A CN 110017637 B CN110017637 B CN 110017637B
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- bottom plate
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- 238000010257 thawing Methods 0.000 title claims abstract description 51
- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 7
- 230000008929 regeneration Effects 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 230000001172 regenerating effect Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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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
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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 high-performance heat exchanger with the defrosting mechanism comprises a shell of the heat exchanger, an evaporator assembly, a flow dividing valve group, defrosting coils, a throttling assembly and a heat regenerating assembly, wherein the shell comprises a bottom plate, two ends of the bottom plate are fixedly connected with side frames, each side frame comprises a rectangular supporting plate, a flow guiding bevel edge is formed on the front side of each supporting plate, flanges are formed on the flow guiding bevel edge and the periphery of each supporting plate, a fan installation frame is fixedly connected to the bottom plate, two sides of each fan installation frame are fixed on the supporting plate of each side frame, a plurality of ventilation holes are formed in each fan installation frame, and fans opposite to the ventilation holes are fixed on the rear end faces of the fan installation frames; the front side of the fan installation frame is provided with an evaporator component, the evaporator component is fixed on the bottom plate through a plurality of installation brackets, and the installation brackets consist of vertical brackets and horizontal brackets which are fixed on the bottom plate. The high-performance heat exchanger is high-integration refrigeration modular equipment consisting of a throttling device and an evaporator, and occupies small inner space of the cold chain transport vehicle.
Description
Technical field:
the invention relates to the technical field of cold chain transport refrigeration equipment, in particular to a high-performance heat exchanger with a defrosting mechanism.
The background technology is as follows:
the cold chain logistics is a system engineering for ensuring the quality of food and reducing the loss of food by keeping the refrigerated and frozen food in a specified low-temperature environment all the time in the links from production, storage, transportation and sales to consumption. The cold chain transport vehicle is an important storage transport device in the cold chain logistics, the cold chain transport vehicle is used for keeping cold storage, a refrigeration device is arranged on the cold chain transport vehicle, the refrigeration device consists of a compressor, a condenser, a throttling device and an evaporator, the volume of the refrigeration device consisting of the compressor, the condenser, the throttling device and the evaporator is huge, the space on the cold chain transport vehicle is limited, and a high-integration and modularized refrigeration module structure is urgently needed to replace the huge refrigeration device structure so as to improve the loading capacity of the cold chain transport vehicle.
The invention comprises the following steps:
the invention aims at overcoming the defects of the prior art, and provides the high-performance heat exchanger with the defrosting mechanism, wherein the high-performance heat exchanger is high-integration refrigeration modularized equipment consisting of a throttling device and an evaporator, occupies small internal space of a cold chain transport vehicle and has the function of defrosting the evaporator.
The high-performance heat exchanger with the defrosting mechanism comprises a shell of the heat exchanger, an evaporator assembly, a flow dividing valve group, defrosting coils, a throttling assembly and a heat regenerating assembly, wherein the shell comprises a bottom plate, two ends of the bottom plate are fixedly connected with side frames, each side frame comprises a rectangular supporting plate, a flow guiding bevel edge is formed on the front side of each supporting plate, flanges are formed on the flow guiding bevel edge and the periphery of each supporting plate, a fan installation frame is fixedly connected to the bottom plate, two sides of each fan installation frame are fixed on the supporting plate of each side frame, a plurality of ventilation holes are formed in each fan installation frame, and fans opposite to the ventilation holes are fixed on the rear end faces of the fan installation frames; the front side of the fan installation frame is provided with an evaporator assembly, the evaporator assembly is fixed on the bottom plate through a plurality of installation brackets, each installation bracket consists of a vertical bracket and a horizontal bracket, the vertical bracket is fixed on the bottom plate, the vertical bracket is positioned at the front side of the evaporator assembly, the front end of the horizontal bracket is fixed at the upper end of the vertical bracket, and the rear end of the horizontal bracket is fixed on the fan installation frame; the upper end face of the evaporator assembly is abutted against a defrosting coil pipe, the defrosting coil pipe consists of a plurality of continuous, positive and negative bending alternating pipe bodies, and the defrosting coil pipe is fixed on the horizontal bracket through a pipe clamp;
the evaporator assembly consists of a plurality of heat exchange fins and heat exchange metal pipes, wherein the heat exchange fins are inserted and sleeved on the heat exchange metal pipes, the heat exchange metal pipes consist of a plurality of continuous and positively and negatively bent alternate pipe bodies, two sides of the heat exchange metal pipe bodies are inserted and connected on support plates of the side frames, two ends of the heat exchange metal pipe bodies are inserted and arranged in the side frames on one side of the shell and are connected through connecting pipe groups and a shunt valve group, the shunt valve group is fixed in the side frames, the connecting pipe groups consist of connecting inlet pipes and connecting outlet pipes, the shunt valve group comprises a shunt valve seat, a shunt valve seat is formed with a first joint and a second joint, the first joint is fixedly connected with a shunt joint, the connecting inlet pipes and the connecting outlet pipes are inserted and fixed on the shunt joint, a first channel and a second channel which are not communicated with each other are formed in the shunt joint and the shunt valve seat, and the connecting inlet pipes are communicated with the second channel; the defrosting coil pipe is characterized in that a branch pipe joint with a second channel communicated is formed on the shunt joint, one end of the defrosting coil pipe penetrates through a supporting plate on one side of the bottom plate to be fixedly connected with the branch pipe joint on the shunt joint, and the other end of the defrosting coil pipe penetrates through a supporting plate on the other side of the bottom plate to be spliced on the flanging and is formed with an external thread defrosting coil pipe joint;
a heat exchange medium inlet pipe is fixedly connected to a bottom plate at the rear side of the fan installation frame through a pipe clamp, one end of the heat exchange medium inlet pipe penetrates through a supporting plate at one side of the bottom plate to be inserted into the flanging and is provided with a heat exchange inlet pipe joint with external threads, and the other end of the heat exchange medium inlet pipe penetrates through a supporting plate at the other side of the bottom plate to be provided with a heat exchange outlet pipe joint; the throttling assembly is a spiral capillary tube, one end of the capillary tube is fixed on the shunt valve seat and is communicated with the second channel, the other end of the capillary tube is fixedly connected with a capillary joint, and the capillary joint is connected with a heat exchange outlet pipe joint on the heat exchange medium inlet pipe through a pipe fitting; a heat return component is arranged on the heat exchange medium inlet pipe;
the heat regeneration assembly comprises an outer sleeve, the outer sleeve is inserted and sleeved on the heat exchange medium inlet pipe, necking is formed at two ends of the outer sleeve, and the necking of the outer sleeve is fixed on the outer wall of the heat exchange medium inlet pipe; the two ends of the outer sleeve are fixedly connected with a heat return inlet pipe and a heat return outlet pipe respectively, the heat return inlet pipe penetrates through a supporting plate on one side of the bottom plate to be fixedly connected with a second joint of the flow dividing valve group, and a channel communicated with the first channel is formed in the second joint of the flow dividing valve group; the backheating exit tube passes through the supporting plate at the other side of the bottom plate to be inserted on the flanging and is formed with a backheating exit tube joint with external threads.
Preferably, side panels are fixedly connected to the side frames on both sides of the shell.
Preferably, a plurality of hanging holes are formed in the flanges of the side frames on two sides of the shell, and each hanging hole consists of a round jack and a strip-shaped slot.
Preferably, a cover plate is arranged on the upper side of the defrosting coil, two sides of the cover plate are fixed on the side frames, a guide plate which is obliquely arranged is formed on the front side of the cover plate, and two sides of the guide plate are fixed on the turnup edge of the guide bevel edge.
Preferably, a spiral corrugated pipe is formed on the heat exchange medium inlet pipe body at the inner side of the outer sleeve on the heat return assembly.
Preferably, at least three ventilation holes are arranged on the fan installation frame, and the ventilation holes are uniformly distributed on the fan installation frame.
The invention has the beneficial effects that:
1. the high-performance heat exchanger is high-integration refrigeration modular equipment consisting of the throttling device and the evaporator, occupies small internal space of the cold chain transport vehicle, and has the function of defrosting the evaporator.
2. The heat exchanger adopted by the heat exchanger also has the function of backheating, and the utilization rate of resources is improved.
Description of the drawings:
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic perspective view of a side panel and cover without side panels in accordance with the present invention;
FIG. 3 is a schematic view of another perspective view of the invention without side panels and cover panels;
FIG. 4 is a schematic rear view of the structure of the invention without side panels and cover panels;
FIG. 5 is a schematic view of the left-hand construction of the invention without side panels and cover panels;
FIG. 6 is a schematic view of the right-hand construction of the invention without side panels and cover panels;
fig. 7 is a schematic cross-sectional view of a regenerator assembly of the present invention.
In the figure: 10. a housing; 11. a bottom plate; 12. a side frame; 121. a support plate; 1211. a diversion bevel edge; 122. flanging; 1221. a hanging hole; 13. a fan mounting frame; 131. a vent hole; 14. a mounting bracket; 141. a vertical support; 142. a horizontal bracket; 15. a cover plate; 151. a deflector; 16. a side panel;
20. an evaporator assembly; 21. a heat exchange fin; 22. a heat exchange metal tube; 30. connecting the tube group; 31. connecting the inlet pipe; 32. a connecting outlet pipe; 40. a diverter valve block; 41. a shunt joint; 411. a branch pipe joint; 42. a shunt valve seat; 421. a first joint; 422. a second joint; a. a first channel; b. a second channel; 50. defrosting coil pipe; 51. defrosting coil pipe joint; 60. a throttle assembly; 61. a capillary joint; 62. a pipe fitting; 70. a heat exchange medium inlet pipe; 71. a heat exchange outlet pipe joint; 72. a heat exchange inlet pipe joint; 73. a bellows; 80. a backheating assembly; 81. an outer sleeve; 82. back heating the pipe; 83. a backheating outlet pipe; 831. and (5) backheating the pipe joint.
The specific embodiment is as follows:
examples: as shown in fig. 1 to 7, the high performance heat exchanger with defrosting mechanism comprises a shell 10 of the heat exchanger, an evaporator assembly 20, a flow dividing valve group 40, defrosting coils 50, a throttling assembly 60 and a heat regenerating assembly 80, wherein the shell 10 comprises a bottom plate 11, two ends of the bottom plate 11 are fixedly connected with side frames 12, the side frames 12 comprise rectangular supporting plates 121, the front sides of the supporting plates 121 are provided with flow guiding bevel edges 1211, the periphery of the flow guiding bevel edges 1211 and the supporting plates 121 are provided with flanges 122, the bottom plate 11 is fixedly connected with a fan mounting frame 13, two sides of the fan mounting frame 13 are fixed on the supporting plates 121 of the side frames 12, a plurality of ventilation holes 131 are formed in the fan mounting frame 13, and fans opposite to the ventilation holes 131 are fixed on the rear end faces of the fan mounting frame 13; the front side of the fan mounting frame 13 is provided with an evaporator assembly 20, the evaporator assembly 20 is fixed on the bottom plate 11 through a plurality of mounting brackets 14, the mounting brackets 14 consist of vertical brackets 141 and horizontal brackets 142 which are fixed on the bottom plate 11, the vertical brackets 141 are positioned on the front side of the evaporator assembly 20, the front ends of the horizontal brackets 142 are fixed on the upper ends of the vertical brackets 141, and the rear ends of the horizontal brackets 142 are fixed on the fan mounting frame 13; the upper end surface of the evaporator assembly 20 is abutted against a defrosting coil pipe 50, the defrosting coil pipe 50 consists of a plurality of U-shaped pipe bodies which are continuous, are bent alternately in the opposite directions, and the defrosting coil pipe 50 is fixed on a horizontal bracket 142 through a pipe clamp;
the evaporator assembly 20 is composed of a plurality of heat exchange fins 21 and heat exchange metal tubes 22, wherein the heat exchange fins 21 are inserted and sleeved on the heat exchange metal tubes 22, the heat exchange metal tubes 22 are composed of a plurality of U-shaped tube bodies which are continuously and alternately bent in the front and back directions, two sides of the tube bodies of the heat exchange metal tubes 22 are inserted and connected on support plates 121 of the side frames 12, two ends of the tube bodies of the heat exchange metal tubes 22 are inserted and arranged in the side frames 12 on one side of the shell 10 and are connected through a connecting tube group 30 and a shunt valve group 40, the shunt valve group 40 is fixed in the side frames 12, the connecting tube group 30 is composed of a connecting inlet tube 31 and a connecting outlet tube 32, the shunt valve group 40 comprises a shunt valve seat 42, a first joint 421 and a second joint 422 are formed on the shunt valve seat 42, a shunt joint 41 is fixedly connected on the first joint 421, a first channel a and a second channel b which are not communicated with each other are formed in the shunt valve seat 42, and the connecting inlet tube 31 and the second channel b are communicated with the first channel a; the split joint 41 is formed with a branch joint 411 communicated with the second channel b, one end of the defrosting coil 50 passes through a support plate 121 on one side of the bottom plate 11 and is fixedly connected with the branch joint 411 on the split joint 41, and the other end of the defrosting coil 50 passes through the support plate 121 on the other side of the bottom plate 11, is spliced on the flanging 122 and is formed with an external thread defrosting coil joint 51;
the bottom plate 11 at the rear side of the fan installation frame 13 is fixedly connected with a heat exchange medium inlet pipe 70 through a pipe clamp, one end of the heat exchange medium inlet pipe 70 passes through a support plate 121 at one side of the bottom plate 11 to be inserted into a flanging 122 and is formed with a heat exchange inlet pipe joint 72 with external threads, and the other end of the heat exchange medium inlet pipe 70 passes through a support plate 121 at the other side of the bottom plate 11 to be formed with a heat exchange outlet pipe joint 71; the throttling assembly 60 is a spiral capillary tube, one end of the capillary tube is fixed on the diversion valve seat 42 and is communicated with the second channel b, the other end of the capillary tube is fixedly connected with a capillary tube joint 61, and the capillary tube joint 61 is connected with a heat exchange outlet tube joint 71 on the heat exchange medium inlet tube 70 through a pipe fitting 62; a heat return assembly 80 is arranged on the heat exchange medium inlet pipe 70;
the heat regeneration assembly 80 comprises an outer sleeve 81, the outer sleeve 81 is inserted and sleeved on the heat exchange medium inlet pipe 70, the two ends of the outer sleeve 81 are formed with necking, and the necking of the outer sleeve 81 is fixed on the outer wall of the heat exchange medium inlet pipe 70; the two ends of the outer sleeve 81 are fixedly connected with a backheating inlet pipe 82 and a backheating outlet pipe 83 respectively, the backheating inlet pipe 82 passes through a supporting plate 121 on one side of the bottom plate 11 and is fixedly connected with a second joint 422 of the flow dividing valve group 40, and a channel communicated with a first channel a is formed in the second joint 422 of the flow dividing valve group 40; the heat recovery pipe 83 passes through the support plate 121 on the other side of the bottom plate 11, is inserted into the flange 122, and is formed with a heat recovery pipe joint 831 with external threads.
Preferably, side panels 16 are fixedly connected to the side frames 12 on both sides of the housing 10.
Preferably, a plurality of hanging holes 1221 are formed on the flanges 122 of the side frames 12 on both sides of the housing 10, and the hanging holes 1221 are composed of circular insertion holes and strip-shaped insertion slots.
Preferably, a cover plate 15 is disposed on the upper side of the defrosting coil 50, two sides of the cover plate 15 are fixed on the side frame 12, a deflector 151 is formed on the front side of the cover plate 15, and two sides of the deflector 151 are fixed on the flange 122 of the deflector bevel 1211.
Preferably, a spiral corrugated tube 73 is formed on the tube body of the heat exchange medium inlet tube 70 inside the outer sleeve 81 on the heat recovery assembly 80.
Preferably, at least three ventilation holes 131 are formed in the fan mounting frame 13, and the ventilation holes 131 are uniformly distributed in the fan mounting frame 13.
Working principle: the invention relates to a high-performance heat exchanger with a defrosting mechanism, wherein an evaporator assembly 20, a flow dividing valve group 40, a defrosting coil pipe 50, a throttling assembly 60 and a backheating assembly 80 are integrated in a shell 10 to be used as a high-integration refrigeration module structure, and the refrigeration module structure is internally integrated with a throttling mechanism and an evaporator;
the heat exchange medium inlet pipe 70 on the refrigeration module structure can be connected with a condenser on the outer side of the cold chain transport vehicle through a connecting pipe; the defrosting coil 50 can be connected with a compressor at the outer side of the cold chain transport vehicle through a connecting pipe, an electromagnetic valve is arranged on the connecting pipe between the defrosting coil and the compressor, and the compressor is connected with a condenser through the connecting pipe; meanwhile, a backheating pipe 83 on the backheating assembly 80 can be connected with the compressor through a connecting pipe; the module structure can form two loops with a compressor and a condenser, one is a refrigeration loop: compressor- & gt condenser- & gt heat exchange medium inlet pipe 70- & gt throttling assembly 60- & gt evaporator assembly 20- & gt heat recovery assembly 80- & gt compressor 1; the other path is a defrosting loop: compressor- & gt defrosting coil 50- & gt evaporator assembly 20- & gt heat recovery assembly 80- & gt compressor 1; the refrigeration module has defrosting function and backheating function;
the heat regeneration function of the heat regeneration assembly 80 is provided, so that the low-temperature low-pressure gas refrigerant from the evaporator assembly 20 and the low-temperature high-pressure liquid from the condenser exchange heat in the structure formed by the heat exchange medium inlet pipe 70 and the heat regeneration assembly 80, the temperature of the liquid refrigerant is reduced, the supercooling degree is increased, the gasification in the throttling assembly 60 is avoided, and the refrigerating capacity of the subsequent evaporator assembly 20 can be improved; the temperature of the gas refrigerant is increased, the air suction temperature of the compressor is increased, invalid overheat is reduced, and the working condition of the compressor is improved;
when the working temperature of the evaporator assembly 20 is below 0 ℃, frost is often formed on the heat exchange fins 21 on the evaporator assembly 20, so that the heat exchange effect between the heat exchange fins 21 and the air is poor, under the condition, the electromagnetic valve can be opened, the medium flowing out of the outlet end of the compressor can directly enter the defrosting coil 50, and the defrosting coil 50 absorbs heat to realize defrosting of the heat exchange fins 21.
The examples are presented to illustrate the invention and are not intended to limit the invention. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is therefore set forth in the appended claims.
Claims (4)
1. Take high performance heat exchanger of defrosting mechanism, including casing (10) of heat exchanger, evaporator assembly (20), shunt valve group (40), defrosting coil pipe (50), choke assembly (60) and backheating subassembly (80), its characterized in that: the shell (10) comprises a bottom plate (11), two ends of the bottom plate (11) are fixedly connected with side frames (12), each side frame (12) comprises a rectangular supporting plate (121), a flow guiding bevel edge (1211) is formed on the front side of each supporting plate (121), a flanging (122) is formed on the periphery of each flow guiding bevel edge (1211) and the periphery of each supporting plate (121), a fan installation frame (13) is fixedly connected to the bottom plate (11), two sides of each fan installation frame (13) are fixed on each supporting plate (121) of each side frame (12), a plurality of ventilation holes (131) are formed in each fan installation frame (13), and fans opposite to the ventilation holes (131) are fixed on the rear end face of each fan installation frame (13); the front side of the fan mounting frame (13) is provided with an evaporator assembly (20), the evaporator assembly (20) is fixed on the bottom plate (11) through a plurality of mounting brackets (14), the mounting brackets (14) consist of vertical brackets (141) and horizontal brackets (142) which are fixed on the bottom plate (11), the vertical brackets (141) are positioned at the front side of the evaporator assembly (20), the front ends of the horizontal brackets (142) are fixed at the upper ends of the vertical brackets (141), and the rear ends of the horizontal brackets (142) are fixed on the fan mounting frame (13); a defrosting coil pipe (50) is abutted against the upper end face of the evaporator assembly (20), the defrosting coil pipe (50) consists of a plurality of U-shaped pipe bodies which are continuous and alternate in positive and negative bending, and the defrosting coil pipe (50) is fixed on the horizontal bracket (142) through a pipe clamp;
the evaporator assembly (20) consists of a plurality of heat exchange fins (21) and heat exchange metal pipes (22), the heat exchange fins (21) are inserted and sleeved on the heat exchange metal pipes (22), the heat exchange metal pipes (22) consist of a plurality of U-shaped pipe bodies which are continuous and are bent alternately in opposite directions, two sides of the pipe bodies of the heat exchange metal pipes (22) are inserted and connected on a supporting plate (121) of a side frame (12), two ends of the pipe bodies of the heat exchange metal pipes (22) are inserted and arranged in the side frame (12) on one side of the shell (10) and are connected with a shunt valve group (40) through a connecting pipe group (30), the shunt valve group (40) is fixed in the side frame (12), the connecting pipe group (30) consists of a connecting inlet pipe (31) and a connecting outlet pipe (32), the shunt valve group (40) comprises a shunt valve seat (42), a first joint (421) and a second joint (422) are formed on the shunt valve seat (42), a shunt joint (41) is fixedly connected on the first joint (421), the connecting inlet pipe (31) and the connecting outlet pipe (32) are inserted and fixed on the shunt valve seat (41) and the second joint (41) are not communicated with the second channel (31 b), the connecting pipe (32) is communicated with the first channel (a); a branch pipe joint (411) which is communicated with the second channel (b) is formed on the diverting joint (41), one end of the defrosting coil pipe (50) penetrates through a supporting plate (121) on one side of the bottom plate (11) and is fixedly connected with the branch pipe joint (411) on the diverting joint (41), and the other end of the defrosting coil pipe (50) penetrates through the supporting plate (121) on the other side of the bottom plate (11) to be inserted into the flanging (122) and is formed with an external thread defrosting coil pipe joint (51);
a heat exchange medium inlet pipe (70) is fixedly connected to a bottom plate (11) at the rear side of the fan mounting frame (13) through a pipe clamp, one end of the heat exchange medium inlet pipe (70) penetrates through a supporting plate (121) at one side of the bottom plate (11) to be inserted into a flanging (122) and is formed with a heat exchange inlet pipe joint (72) with external threads, and the other end of the heat exchange medium inlet pipe (70) penetrates through a supporting plate (121) at the other side of the bottom plate (11) to be formed with a heat exchange outlet pipe joint (71); the throttling assembly (60) is a spiral capillary tube, one end of the capillary tube is fixed on the diversion valve seat (42) and is communicated with the second channel (b), the other end of the capillary tube is fixedly connected with a capillary tube joint (61), and the capillary tube joint (61) is connected with a heat exchange outlet tube joint (71) on the heat exchange medium inlet tube (70) through a pipe fitting (62); a heat return assembly (80) is arranged on the heat exchange medium inlet pipe (70);
the heat regeneration assembly (80) comprises an outer sleeve (81), the outer sleeve (81) is inserted on the heat exchange medium inlet pipe (70), necking is formed at two ends of the outer sleeve (81), and the necking of the outer sleeve (81) is fixed on the outer wall of the heat exchange medium inlet pipe (70); the two ends of the outer sleeve (81) are fixedly connected with a heat return inlet pipe (82) and a heat return outlet pipe (83) respectively, the heat return inlet pipe (82) penetrates through a supporting plate (121) on one side of a bottom plate (11) to be fixedly connected with a second joint (422) of the flow dividing valve group (40), and a channel communicated with a first channel (a) is formed in the second joint (422) of the flow dividing valve group (40); the heat recovery pipe (83) passes through a supporting plate (121) at the other side of the bottom plate (11) to be inserted into the flanging (122) and is formed with a heat recovery pipe joint (831) with external threads;
side panels (16) are fixedly connected to the side frames (12) on two sides of the shell (10);
the upper side of defrosting coil pipe (50) is equipped with apron (15), and the both sides of apron (15) are fixed on side frame (12), and the front side shaping of apron (15) has deflector (151) of putting to one side, and the turn-ups (122) of deflector (151) are fixed on deflector hypotenuse (1211).
2. The high performance heat exchanger with a defrosting mechanism of claim 1 wherein: a plurality of hanging holes (1221) are formed in the turned edges (122) of the side frames (12) on two sides of the shell (10), and the hanging holes (1221) consist of round insertion holes and strip-shaped insertion grooves.
3. The high performance heat exchanger with a defrosting mechanism of claim 1 wherein: a spiral corrugated pipe (73) is formed on the pipe body of the heat exchange medium inlet pipe (70) on the inner side of the outer sleeve (81) on the heat return assembly (80).
4. The high performance heat exchanger with a defrosting mechanism of claim 1 wherein: at least three ventilation holes (131) are formed in the fan mounting frame (13), and the ventilation holes (131) are uniformly distributed on the fan mounting frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333574.3A CN110017637B (en) | 2019-04-24 | 2019-04-24 | High-performance heat exchanger with defrosting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333574.3A CN110017637B (en) | 2019-04-24 | 2019-04-24 | High-performance heat exchanger with defrosting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110017637A CN110017637A (en) | 2019-07-16 |
| CN110017637B true CN110017637B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910333574.3A Active CN110017637B (en) | 2019-04-24 | 2019-04-24 | High-performance heat exchanger with defrosting mechanism |
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| CN (1) | CN110017637B (en) |
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| JPH10267440A (en) * | 1997-03-21 | 1998-10-09 | Toshiba Corp | Refrigerator |
| CN2663885Y (en) * | 2003-10-31 | 2004-12-15 | 广东科龙电器股份有限公司 | An energy-saving refrigerator |
| CN201181146Y (en) * | 2008-04-02 | 2009-01-14 | 中南大学 | Compressing and injecting mixed cycle refrigerating device for electric refrigerator |
| CN205351841U (en) * | 2015-12-29 | 2016-06-29 | 西安交通大学 | Two -stage compression refrigerator system |
| CN210128538U (en) * | 2019-04-24 | 2020-03-06 | 浙江同星科技股份有限公司 | High-performance heat exchanger with defrosting mechanism |
Family Cites Families (1)
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| JPH10267440A (en) * | 1997-03-21 | 1998-10-09 | Toshiba Corp | Refrigerator |
| CN2663885Y (en) * | 2003-10-31 | 2004-12-15 | 广东科龙电器股份有限公司 | An energy-saving refrigerator |
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| CN210128538U (en) * | 2019-04-24 | 2020-03-06 | 浙江同星科技股份有限公司 | High-performance heat exchanger with defrosting mechanism |
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