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CN110794887A - Ambient temperature control device for low-temperature cold chain transportation - Google Patents

Ambient temperature control device for low-temperature cold chain transportation Download PDF

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Publication number
CN110794887A
CN110794887A CN201910953512.2A CN201910953512A CN110794887A CN 110794887 A CN110794887 A CN 110794887A CN 201910953512 A CN201910953512 A CN 201910953512A CN 110794887 A CN110794887 A CN 110794887A
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China
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cold
dry ice
pump body
power generation
pipeline
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CN201910953512.2A
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Chinese (zh)
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李垣江
陈梦
王丽鹃
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Jiangsu Austria Tian Engineering Technology Co Ltd
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Jiangsu Austria Tian Engineering Technology Co Ltd
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Priority to CN201910953512.2A priority Critical patent/CN110794887A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention provides an environment temperature control device for low-temperature cold chain transportation, which comprises a temperature difference power generation system, an energy storage module and a dry ice storage module; the cold chain logistics transportation system has the advantages that the cold chain logistics transportation system is provided with an independent temperature control system, the whole system is powered through thermoelectric generation, energy is saved, environment is protected, the hot water tank is connected with the engine waste heat recovery device and the solar heating device, the temperature difference between the two ends of the thermoelectric generation battery pack is improved, the power generation efficiency is improved, the dry ice storage module utilizes the dry ice and air conditioning circulation pipeline to refrigerate the internal heat preservation layer, the cold storage sleeve arranged on the outer wall of the dry ice and air conditioning circulation pipeline is filled with phase change cold storage materials, cold storage is further carried out, the contact area between the cold storage sleeve and the internal heat preservation cabin is improved through the heat conduction fins, meanwhile, the automatic exhaust pipeline connected with the dry ice storage cabin automatically adjusts air pressure for the dry.

Description

Ambient temperature control device for low-temperature cold chain transportation
Technical Field
The invention relates to the technical field of cold chain logistics, in particular to an environment temperature control device for low-temperature cold chain transportation.
Background
In recent years, the cold-chain logistics industry is rapidly developing in China. The cold chain logistics refers to the systematic engineering that the refrigerated frozen products are always in a low-temperature environment in all links from production, storage, transportation and sale to the moment of consumption so as to ensure the product quality and reduce the loss of the products, and is suitable for the fields of fruits and vegetables, poultry eggs, aquatic products, quick-frozen foods, dairy products, flowers, medicines and the like. Refrigeration in cold chain logistics transportation generally drives the refrigerator work through burning the petrol of haulage vehicle in order to keep the interior low temperature of transport bin, and not only the power consumption is big, and some haulage vehicle drivers close the refrigerator of transport bin for the fuel-efficient in the transportation moreover, lead to the transport bin interior article to deteriorate easily.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an environment temperature control device for low-temperature cold chain transportation.
The technical scheme for solving the problems comprises the following steps: an environment temperature control device for low-temperature cold chain transportation comprises a temperature difference power generation system, an energy storage module and a dry ice storage module;
the thermoelectric power generation system comprises a plurality of thermoelectric power generation sheet groups, each thermoelectric power generation sheet group is connected with an energy storage module in series or in parallel to store electricity for the energy storage module, one side of each thermoelectric power generation sheet group is a hot end contact surface, the other side of each thermoelectric power generation sheet group is a cold end contact surface, the hot end contact surfaces of two adjacent thermoelectric power generation sheet groups are correspondingly arranged or the cold end contact surfaces of the two adjacent thermoelectric power generation sheet groups are correspondingly arranged, the hot end contact surfaces of the thermoelectric power generation sheet groups are in contact with each other and are provided with a heat medium end, the cold end contact surfaces of the thermoelectric power generation sheet groups are in contact with each other and are provided with a refrigerant end, one end of each heat medium end is connected with a heat; the heat medium inlet pipe is connected to the water outlet end of the first pump body, the water inlet end of the first pump body is connected with the hot water tank through a pipeline, the heat medium outlet pipe is connected with the hot water tank, the refrigerant inlet pipe is connected to the water outlet end of the second pump body, the water inlet end of the second pump body is connected with one end of the refrigerant coil pipe through a pipeline, and the refrigerant outlet pipe is connected to the other end of the refrigerant coil pipe;
the thermoelectric power generation system is arranged in an interlayer of the transportation bin, the transportation bin comprises an inner heat insulation layer and an outer heat insulation layer, an L-shaped interlayer is formed between the inner heat insulation layer and the outer heat insulation layer, the thermoelectric power generation sheet group, the heat medium end, the refrigerant end, the energy storage module and the dry ice storage module are all arranged in the L-shaped interlayer, the hot water tank is arranged on the side wall of the outer heat insulation layer, the refrigerant coil is arranged in the inner heat insulation layer, a partition plate is arranged in the inner heat insulation layer, and the partition plate divides the interior of the inner heat insulation layer into a refrigerant coil area and an object placing area;
the hot water tank is also connected with a first heating mechanism and a second heating mechanism, the first heating mechanism is an engine waste heat recovery device, the engine waste heat recovery device comprises a first heat exchange coil and a third pump body which are spirally arranged outside the engine, the water inlet end of the third pump body is connected with the hot water tank through a pipeline, the water outlet end of the third pump body is connected with one end of the first heat exchange coil through a pipeline, and the other end of the first heat exchange coil is connected with the hot water tank through a pipeline; the second heating mechanism is a solar heating device, the solar heating device comprises an arc-shaped light gathering plate and a second heat exchange coil arranged above the arc-shaped light gathering plate through a support frame, two ends of the bottom of the arc-shaped light gathering plate are arranged at the top of the outer heat insulation layer through mounting brackets, the arc-shaped light gathering plate is connected with the mounting brackets in a welding mode, the mounting brackets are connected with the outer heat insulation layer through a plurality of bolts, one end of the second heat exchange coil is connected with a water outlet end of the fourth pump body, a water inlet end of the fourth pump body is connected with the hot water tank through a pipeline, and the other end of the second heat exchange tube is connected with the hot;
the dry ice storage module comprises a dry ice storage bin, a fifth pump body, an automatic exhaust pipeline and a cold accumulation unit, the dry ice storage bin and the fifth pump body are arranged in an L-shaped interlayer, the cold accumulation unit comprises a dry ice cold air circulation pipeline, the dry ice cold air circulation pipeline is arranged above the inner heat insulation layer and comprises a plurality of straight pipes and bent pipes connected with the two straight pipes, the straight pipe arranged at one end is connected with the air outlet end of the fifth pump body through a pipeline, the air inlet end of the fifth pump body is connected with the dry ice storage bin through a pipeline, the straight pipe arranged at the other end is connected with the storage bin through a pipeline, a cold accumulation sleeve is arranged outside each straight pipe, the two ends of each cold accumulation sleeve are fixedly connected with the straight pipes through welding, a plurality of groups of heat conduction fins are arranged on the outer wall of each cold accumulation sleeve, a sealed cavity is formed between each, the cold accumulation sleeve is also provided with an inlet and an outlet, the automatic exhaust pipeline is provided with 6-8 groups, the inner end of the automatic exhaust pipeline is connected to the side wall of the dry ice storage bin, the other end of the automatic exhaust pipeline extends outwards and is arranged outside the transport bin, 2 automatic exhaust membranes are arranged inside the automatic exhaust pipeline, the inner wall of the automatic exhaust pipeline is provided with a mounting groove matched with the automatic exhaust membranes, the automatic exhaust membranes are mounted in the mounting groove, the automatic exhaust membranes bulge outwards to form an arc-shaped surface, and the center of each automatic exhaust membrane is provided with a 'meter' -shaped exhaust port;
this ambient temperature controlling means still includes the controller, and interior heat preservation top still is equipped with temperature sensor, the first pump body, the second pump body, the third pump body, the fourth pump body, the fifth pump body access controller, energy storage module access controller is the power supply of this ambient temperature controlling means.
The invention has the following beneficial effects:
the invention provides an environment temperature control device for low-temperature cold chain transportation, which provides a set of independent temperature control system for cold chain logistics transportation, supplies power to the whole system through thermoelectric generation, is energy-saving and environment-friendly, a hot water tank is connected with an engine waste heat recovery device and a solar heating device, the temperature difference at two ends of a thermoelectric generation panel set is improved, so that the power generation efficiency is improved, a dry ice storage module utilizes a dry ice cold air circulation pipeline to refrigerate an internal heat insulation layer, a cold accumulation sleeve arranged on the outer wall of the dry ice cold air circulation pipeline is filled with a phase change cold accumulation material to further accumulate cold, a plurality of groups of heat conduction fins are arranged on the outer wall of the cold accumulation sleeve to improve the heat exchange efficiency by improving the contact area with the internal heat insulation bin, meanwhile, an automatic exhaust pipeline connected with the dry ice storage bin automatically adjusts the air pressure for the dry ice storage bin, an automatic exhaust film, only the internal gas is discharged outwards, and no external gas enters the internal part, so that the energy is saved simply.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an electrical schematic of the present invention;
FIG. 3 is a schematic diagram of a thermoelectric power generation system;
FIG. 4 is a top view of the second heating mechanism;
FIG. 5 is a side view of a second heating mechanism;
FIG. 6 is a schematic structural view of a dry ice storage module;
FIG. 7 is a schematic structural view of a cold storage sleeve;
FIG. 8 is a schematic structural view of an automatic degassing membrane;
in the figure: 100-a temperature difference power generation system, 200-an energy storage module, 300-a dry ice storage module, 400-an inner heat insulation layer, 500-an outer heat insulation layer, 600- 'L' -shaped interlayer, 700-a partition plate, 800-a refrigerant coil area, 900-a material placement area, 1000-a controller and 1100-a temperature sensor;
101-thermoelectric power generation sheet group, 102-heat medium end, 103-refrigerant end, 104-heat medium inlet pipe, 105-heat medium outlet pipe, 106-refrigerant inlet pipe, 107-refrigerant outlet pipe, 108-first pump body, 109-hot water tank, 110-second pump body, 111-refrigerant coil pipe, 112-third pump body, 113-arc-shaped light-gathering plate, 114-second heat exchange coil pipe, 115-mounting bracket and 116-fourth pump body;
301-dry ice storage bin, 302-fifth pump body, 303-automatic exhaust pipeline, 304-straight pipe, 305-bent pipe, 306-cold accumulation sleeve, 307-heat conduction fin, 308-inlet, 309-outlet, 310-automatic exhaust membrane and 311-meter-shaped exhaust port.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in the figure, the ambient temperature control device for low-temperature cold chain transportation comprises a thermoelectric generation system 100, an energy storage module 200, a dry ice storage module 300 and a controller 1000, wherein the controller 1000 is installed on the outer wall of a transportation bin; the thermoelectric generation system 100 comprises a plurality of thermoelectric generation sheet groups 101, each thermoelectric generation sheet group 101 is connected in series or in parallel to an energy storage module 200 to store electricity for the energy storage module 200, one side of each thermoelectric generation sheet group 101 is a hot end contact surface, the other side of each thermoelectric generation sheet group 101 is a cold end contact surface, the hot end contact surface of each thermoelectric generation sheet group 101 is provided with a heat medium end 102 in a contact manner, the cold end contact surface of each thermoelectric generation sheet group 101 is provided with a refrigerant end 103 in a contact manner, one end of each heat medium end 102 is connected with a heat medium inlet pipe 104 through a pipeline, the other end of each heat medium end is connected with a heat medium outlet pipe 105 through a pipeline, the refrigerant end 103 is; the heat medium inlet pipe 104 is connected to the water outlet end of the first pump body 108, the water inlet end of the first pump body 108 is connected with the hot water tank 109 through a pipeline, the heat medium outlet pipe 105 is connected with the hot water tank 109, the refrigerant inlet pipe 106 is connected to the water outlet end of the second pump body 110, the water inlet end of the second pump body 110 is connected with one end of the refrigerant coil 111 through a pipeline, the refrigerant outlet pipe 107 is connected to the other end of the refrigerant coil 111, and in order to reduce the volume of the thermoelectric power generation system 100 and improve the power generation efficiency of the thermoelectric power generation sheet groups 101, the hot end contact surfaces or the cold end contact surfaces of the two adjacent thermoelectric power generation sheet groups;
the thermoelectric power generation system 100 is arranged in an interlayer of a transportation cabin, the transportation cabin comprises an inner heat insulation layer 400 and an outer heat insulation layer 500, an L-shaped interlayer 600 is formed between the inner heat insulation layer 400 and the outer heat insulation layer 500, the thermoelectric power generation sheet group 101, the heat medium end 102, the refrigerant end 103, the energy storage module 200 and the dry ice storage module 300 are all arranged in the L-shaped interlayer 600, the hot water tank 109 is arranged on the side wall of the outer heat insulation layer 500, the refrigerant coil pipe 111 is arranged in the inner heat insulation layer 400, a partition plate 700 is arranged in the inner heat insulation layer 400, and the partition plate 700 divides the interior of the inner heat insulation layer 400 into a refrigerant coil pipe 111 area 800 and an object placing area 900;
the hot water tank 109 is further connected with a first heating mechanism and a second heating mechanism, the first heating mechanism is an engine waste heat recovery device, heat of a vehicle is fully utilized, and meanwhile heat dissipation performance of the engine is improved, the engine waste heat recovery device comprises a first heat exchange coil and a third pump body 112 which are spirally arranged outside the engine, a water inlet end of the third pump body 112 is connected with the hot water tank 109 through a pipeline, a water outlet end of the third pump body 112 is connected with one end of the first heat exchange coil through a pipeline, and the other end of the first heat exchange coil is connected with the hot water tank 109 through a pipeline; the second heating mechanism is a solar heating device, when the sun is in the presence, the solar heating device is started to heat water in the hot water tank 109, the solar heating device comprises an arc-shaped light gathering plate 113 and a second heat exchange coil 114 installed above the arc-shaped light gathering plate 113 through a support frame, the heating effect of the solar heating device is further improved by the arc-shaped light gathering plate 113, two ends of the bottom of the arc-shaped light gathering plate 113 are installed at the top of the outer heat insulation layer 500 through an installation support 115, the arc-shaped light gathering plate 113 is connected with the installation support 115 in a welding mode, the installation support 115 is connected with the outer heat insulation layer 500 through a plurality of bolts, one end of the second heat exchange coil 114 is connected with the water outlet end of the fourth pump body 116, the water inlet end of the fourth pump body 116 is connected with the hot water tank 109 through a pipeline, and the;
the dry ice storage module 300 comprises a dry ice storage bin 301, a fifth pump body 302, an automatic exhaust pipeline 303 and a cold accumulation unit, wherein the dry ice storage bin 301 and the fifth pump body 302 are arranged in an L-shaped interlayer 600, the cold accumulation unit comprises a dry ice and cold air circulating pipeline, the dry ice and cold air circulating pipeline is arranged above the inner heat preservation layer 400 and comprises a plurality of straight pipes 304 and bent pipes 305 connected with the two straight pipes 304, the straight pipe 304 arranged at one end is connected with the air outlet end of the fifth pump body 302 through a pipeline, the air inlet end of the fifth pump body 302 is connected with the dry ice storage bin 301 through a pipeline, the straight pipe 304 arranged at the other end is connected with the dry ice storage bin 301 through a pipeline, a cold accumulation sleeve 306 is arranged outside each straight pipe 304, two ends of the cold accumulation sleeve 306 are fixedly connected with the straight pipes 304 through welding, a plurality of groups of heat conduction fins 307 are arranged on the outer wall of the cold accumulation sleeve, the sealed cavity is filled with phase change cold storage materials, the cold storage sleeve 306 is also provided with an inlet 308 and an outlet 309, the automatic exhaust pipeline 303 is provided with 6-8 groups, the inner end of the automatic exhaust pipeline 303 is connected to the side wall of the dry ice storage bin 301, the other end of the automatic exhaust pipeline extends outwards and is arranged outside the transportation bin, 2 automatic exhaust membranes 310 are arranged inside the automatic exhaust pipeline 303, the inner wall of the automatic exhaust pipeline 303 is provided with an installation groove matched with the automatic exhaust membranes 310, the automatic exhaust membranes 310 are installed in the installation groove, the automatic exhaust membranes 310 protrude outwards to form an arc-shaped surface, the center of the automatic exhaust membranes 310 is provided with a 'meter' -shaped exhaust port 311, the automatic exhaust membranes 310 are specially designed by adopting elastic membrane materials, dry ice sublimates in dry ice refrigeration, when the pressure rises to the pressure value of the automatic opening exhaust membranes, the exhaust is automatically carried out, the material has long service life and exhaust frequency more than ten thousand times after the above steps. The larger the elasticity of the material is, the larger the opening pressure is, the size of the rice-shaped exhaust port is inversely proportional to the opening pressure, and the automatic exhaust membrane 310 is designed to be outwards protruded to form an arc-shaped surface, so that only internal gas is outwards exhausted, and no external gas enters the interior, and the material is simple and energy-saving;
the top of the inner insulating layer 400 is further provided with a temperature sensor 1100, the first pump body 108, the second pump body 110, the third pump body 112, the fourth pump body 116 and the fifth pump body 302 are connected to the controller 1000, and the energy storage module 200 is connected to the controller 1000 to supply power to the environment temperature control device.
The invention provides an environment temperature control device for low-temperature cold chain transportation, which provides an independent temperature control system for cold chain logistics transportation, supplies power to the whole system through thermoelectric generation, is energy-saving and environment-friendly, a hot water tank 109 is connected with an engine waste heat recovery device and a solar heating device, and improves the temperature difference of two ends of a thermoelectric generation sheet group 101, so that the power generation efficiency is improved, a dry ice storage module 300 utilizes a dry ice and cold air circulation pipeline to refrigerate an internal heat insulation layer 400, a cold accumulation sleeve 306 arranged on the outer wall of the dry ice and cold air circulation pipeline is filled with a phase change cold accumulation material to further accumulate cold, and a plurality of groups of heat conduction fins 307 arranged on the outer wall of the cold accumulation sleeve 306 improve the heat exchange efficiency by improving the contact area with the.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. An ambient temperature control device for low-temperature cold chain transportation is characterized by comprising a temperature difference power generation system (100), an energy storage module (200) and a dry ice storage module (300);
the thermoelectric power generation system (100) comprises a plurality of thermoelectric power generation sheet groups (101), each thermoelectric power generation sheet group (101) is connected in series or in parallel to an energy storage module (200) to store electricity for the energy storage module (200), one side of each thermoelectric power generation sheet group (101) is a hot end contact surface, the other side of each thermoelectric power generation sheet group is a cold end contact surface, the hot end contact surface of each thermoelectric power generation sheet group (101) is in contact with a heat medium end (102), the cold end contact surface of each thermoelectric power generation sheet group (101) is in contact with a refrigerant end (103), one end of each heat medium end (102) is connected with a heat medium inlet pipe (104) through a pipeline, the other end of each heat medium end is connected with a heat medium outlet pipe (105) through a pipeline, the refrigerant end (103) is connected; the heat medium inlet pipe (104) is connected to the water outlet end of the first pump body (108), the water inlet end of the first pump body (108) is connected with the hot water tank (109) through a pipeline, the heat medium outlet pipe (105) is connected with the hot water tank (109), the refrigerant inlet pipe (106) is connected to the water outlet end of the second pump body (110), the water inlet end of the second pump body (110) is connected with one end of the refrigerant coil pipe (111) through a pipeline, and the refrigerant outlet pipe (107) is connected to the other end of the refrigerant coil pipe (111);
the thermoelectric power generation system (100) is arranged in an interlayer of a transport bin, the transport bin comprises an inner heat insulation layer (400) and an outer heat insulation layer (500), an L-shaped interlayer (600) is formed between the inner heat insulation layer (400) and the outer heat insulation layer (500), the thermoelectric power generation sheet group (101), the heat medium end (102), the refrigerant end (103), the energy storage module (200) and the dry ice storage module (300) are all arranged in the L-shaped interlayer (600), the hot water tank (109) is arranged on the side wall of the outer heat insulation layer (500), the refrigerant coil pipe (111) is arranged in the inner heat insulation layer (400), a partition plate (700) is arranged in the inner heat insulation layer (400), and the partition plate (700) partitions the inner heat insulation layer (400) into a refrigerant coil pipe (111) area (800) and an object placing area (900);
dry ice storage module (300) include dry ice storage bin (301), the fifth pump body (302), automatic exhaust duct (303) and cold-storage unit, dry ice storage bin (301), the fifth pump body (302) set up in "L" type intermediate layer (600), the cold-storage unit includes dry ice air circulating line, inside top of heat preservation (400) including dry ice air circulating line sets up, including a plurality of straight tubes (304) and connect return bend (305) that link to each other two straight tubes (304), set up the end of giving vent to anger through pipe connection fifth pump body (302) in straight tube (304) of one end, the end of admitting air of fifth pump body (302) passes through pipe connection dry ice storage bin (301), and straight tube (304) of setting at the other end pass through pipe connection dry ice storage bin (301).
2. The ambient temperature control device for low-temperature cold chain transportation according to claim 1, wherein the hot end contact surface or the cold end contact surface of two adjacent thermoelectric generation sheet groups (101) is correspondingly arranged.
3. The ambient temperature control device for cold chain transportation at low temperature according to claim 1, wherein the hot water tank (109) is further connected with a first heating mechanism and a second heating mechanism, the first heating mechanism is an engine waste heat recovery device, and the second heating mechanism is a solar heating device.
4. The ambient temperature control device for low-temperature cold chain transportation according to claim 3, wherein the engine waste heat recovery device comprises a first heat exchange coil and a third pump body (112) which are spirally arranged outside the engine, the water inlet end of the third pump body (112) is connected with the hot water tank (109) through a pipeline, the water outlet end of the third pump body (112) is connected with one end of the first heat exchange coil through a pipeline, and the other end of the first heat exchange coil is connected with the hot water tank (109) through a pipeline.
5. The ambient temperature control device for low-temperature cold chain transportation according to claim 3, wherein the solar heating device comprises an arc-shaped light gathering plate (113) and a second heat exchange coil (114) installed above the arc-shaped light gathering plate (113) through a support frame, two ends of the bottom of the arc-shaped light gathering plate (113) are installed on the top of the outer heat insulation layer (500) through a mounting bracket (115), the arc-shaped light gathering plate (113) is connected with the mounting bracket (115) through welding, the mounting bracket (115) is connected with the outer heat insulation layer (500) through a plurality of bolts, one end of the second heat exchange coil (114) is connected with the water outlet end of the fourth pump body (116), the water inlet end of the fourth pump body (116) is connected with the hot water tank (109) through a pipeline, and the other end of the second heat exchange coil is connected with the hot water tank (109).
6. The ambient temperature control device for low-temperature cold chain transportation according to claim 1, wherein a cold accumulation sleeve (306) is arranged outside each straight pipe (304), two ends of the cold accumulation sleeve (306) are fixedly connected with the straight pipes (304) through welding, a sealed cavity is formed between the cold accumulation sleeve (306) and the straight pipes (304), phase-change cold accumulation materials are filled in the sealed cavity, and an inlet (308) and an outlet (309) are further arranged on the cold accumulation sleeve (306).
7. The ambient temperature control device for cold chain transportation at low temperature according to claim 6, wherein the outer wall of the cold accumulation sleeve (306) is provided with a plurality of sets of heat conducting fins (307).
8. The ambient temperature control device for cold chain transportation at low temperature according to claim 1, wherein the inner end of the automatic exhaust duct (303) is connected to the side wall of the dry ice storage bin (301), the other end of the automatic exhaust duct extends outwards and is arranged outside the transportation bin, 2 automatic exhaust membranes (310) are arranged inside the automatic exhaust duct (303), an installation groove matched with the automatic exhaust membrane (310) is arranged on the inner wall of the automatic exhaust duct (303), and the automatic exhaust membrane (310) is arranged in the installation groove.
9. The ambient temperature control device for cold chain transportation at low temperature according to claim 8, wherein the automatic exhaust membrane (310) is protruded outwards to form an arc surface, and the center of the automatic exhaust membrane (310) is provided with a'm' -shaped exhaust port (311).
10. An ambient temperature control device for cold chain transportation at low temperature according to claim 8 or 9, characterized in that the automatic exhaust duct (303) is provided with 6-8 groups.
CN201910953512.2A 2019-10-09 2019-10-09 Ambient temperature control device for low-temperature cold chain transportation Pending CN110794887A (en)

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CN112960281A (en) * 2021-02-25 2021-06-15 徐州工程学院 Commodity circulation cold chain storage upgrades conveyor with little thin wall refrigeration pipe
CN114105382A (en) * 2021-11-29 2022-03-01 靖江市华夏科技有限公司 Energy-concerving and environment-protective dye liquor retrieves and recycles device
CN119105571A (en) * 2024-10-17 2024-12-10 江苏艾斯亿智能电气科技有限公司 A temperature control device based on cold chain transportation

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Application publication date: 20200214