CN113959141A - Solar-driven cold-storage type cold-chain express cabinet - Google Patents

Solar-driven cold-storage type cold-chain express cabinet Download PDF

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Publication number
CN113959141A
CN113959141A CN202110663611.4A CN202110663611A CN113959141A CN 113959141 A CN113959141 A CN 113959141A CN 202110663611 A CN202110663611 A CN 202110663611A CN 113959141 A CN113959141 A CN 113959141A
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China
Prior art keywords
cold
phase change
change material
cabinet body
fan
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Pending
Application number
CN202110663611.4A
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Chinese (zh)
Inventor
刘锡慧
张馨尹
李智笼
徐国英
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Southeast University
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Southeast University
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Priority to CN202110663611.4A priority Critical patent/CN113959141A/en
Publication of CN113959141A publication Critical patent/CN113959141A/en
Pending legal-status Critical Current

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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
    • F25D11/006—Self-contained movable devices, e.g. domestic refrigerators with cold storage accumulators
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • A23L3/363—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
    • A23L3/364—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes with packages or with shaping in form of blocks or portions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • 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
    • 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
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Nutrition Science (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Power Engineering (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses a solar-driven cold-storage type cold-chain express delivery cabinet, relates to the technical field of cold chain and energy conservation, and solves the technical problems that the conventional cold-chain express delivery cabinet is low in solar energy utilization rate and low in refrigeration efficiency. In addition, the active energy storage of the phase change material can offset part of the storage capacity, and the cost of the storage battery is reduced. Meanwhile, green energy solar energy is used as energy supply, the system has the characteristic of good environment, intermittent refrigeration is adopted, fresh products are refrigerated when stored, refrigeration is stopped when the system is idle, and waste of energy when the system is idle is reduced.

Description

Solar-driven cold-storage type cold-chain express cabinet
Technical Field
The utility model relates to a cold chain and energy-conserving technical field especially relate to a solar drive's cold-storage formula cold chain express delivery cabinet.
Background
At present, the traditional mode of purchasing the fresh food offline cannot meet the needs of people, a plurality of E-commerce platforms and new retail modes of online and offline of offline stores develop rapidly, and the fresh food serving as a blue sea market develops rapidly under the background of new retail. The realization of the 'on-line + off-line' sale of fresh products needs a cold chain to complete, the 'last kilometer' distribution of the cold chain is the link with the largest loss, and the traditional mode of utilizing the ice bag to distribute on the door has the following problems: the difficulty in coordination of the receiving time results in low service quality, difficulty in balancing convenience and delivery cost, poor traceability of fresh and fresh delivery information, no cold of a fresh and fresh delivery cold chain and the like.
The fresh cold chain self-lifting cabinet is constructed by adopting a scheme for solving the problem, and the two problems of energy consumption and efficiency are solved by adopting the scheme. Solar energy has a wide application prospect as an important clean energy source, but the reliability of the solar energy directly applied to a cold chain self-lifting cabinet is reduced due to day and night intermittency and instability influenced by weather, and in addition, the load of stored fresh products can also change, so that the problem of frequent starting and stopping of a refrigerating device exists in the actual operation process, and the efficiency of a refrigerating system is reduced. How to improve the utilization ratio of cold chain express delivery cabinet to the energy and improve refrigerating system's efficiency is the problem that needs to solve urgently.
Disclosure of Invention
The utility model provides a solar drive's cold-storage formula cold chain express delivery cabinet, its technical purpose is that improve the utilization ratio of cold chain express delivery cabinet to solar energy, improves the refrigeration efficiency of cold chain express delivery cabinet simultaneously.
The technical purpose of the present disclosure is achieved by the following technical solutions:
a solar-driven cold-storage cold-chain express delivery cabinet comprises a cabinet body, a solar power supply device, a refrigerating device and a phase change cold-storage device, wherein the refrigerating device is connected with the phase change cold-storage device, the refrigerating device is arranged outside the cabinet body, and the phase change cold-storage device is arranged inside the cabinet body; a fan is arranged on the right side of the phase change cold accumulation device;
the solar power supply device comprises a photovoltaic panel, a solar controller and a storage battery, wherein the solar controller is connected with the photovoltaic panel, the storage battery and the cabinet body, and the photovoltaic panel is arranged above the cabinet body;
the cabinet body comprises a shell and a heat insulation layer, and the heat insulation layer is arranged inside the shell and connected with the shell; a partition board is arranged in the cabinet body, two ends of the partition board are connected with the heat insulation layer, a wind tunnel is arranged on the partition board, and the wind tunnel is connected with the fan;
the cabinet body is divided into a first chamber and a second chamber by the partition plate, a condensate water discharge hole is formed in the bottom of the first chamber, the phase change cold accumulation device is arranged in the first chamber, the refrigeration device is arranged on the left side of the phase change cold accumulation device, and the phase change cold accumulation device is arranged on the left side of the fan and is connected with the fan;
the phase change cold accumulation device comprises a phase change material packaging unit, and a phase change material is packaged in the phase change material packaging unit.
The beneficial effect of this disclosure lies in:
(1) the problem of the energy waste, the difficult coordination of receiving time of the mode of traditional utilization ice bag delivery on the door and security problem is solved, make the user can convenient and fast, use energy-conserving efficient cold chain express delivery cabinet to accomplish the last step that the on-line is given birth to and is bought safely.
(2) The integrated design of the cold accumulation and the refrigerating device is carried out to realize the active energy storage of the phase change material, the unstable factors caused by the fluctuation of solar energy can be stabilized, and the problem that the refrigerating device is frequently started and stopped due to the change of load can be reduced. In addition, the active energy storage of the phase change material can offset part of the storage capacity, and the cost of the storage battery is reduced.
(3) The operation is green and energy-saving, the green energy solar energy is used as energy supply, the environment is good, the intermittent refrigeration is adopted, the refrigeration is carried out when fresh products are stored, the refrigeration is stopped when the fresh products are idle, and the waste of energy when the fresh products are idle is reduced.
Drawings
Fig. 1 is an overall schematic view of an appearance of a cold-chain express delivery cabinet according to the present application;
FIG. 2 is a schematic cross-sectional view taken from the top down in accordance with a first embodiment of the present application;
FIG. 3 is a schematic view of a phase change cold storage device according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a two-phase change cold storage device according to an embodiment of the present application;
FIG. 5 is a schematic view of the connection between the refrigerating device and the phase change cold storage device according to the second embodiment of the present application;
fig. 6 is a schematic circuit diagram of a system of a cold-chain express delivery cabinet according to the present application;
in the figure: 1-a photovoltaic panel; 2-room temperature express cabinet; 3-a solar controller; 4-a storage battery; 5-a cabinet body; 6-hot end fan; 7-a radiator; 8-refrigerating sheets; 9-a phase change material packaging unit; 10-an air duct; 11-a fan; 12-a housing; 13-an ultraviolet lamp; 14-insulating layer; 15-a temperature controller; 16-a temperature display panel; 17-heat insulation cotton; 18-condensate drain hole; 19-a separator; 20-a wind tunnel; 21-a WiFi module; 22-a base plate; 23-serpentine coil; 24-a condenser; 25-a throttle valve; 26-a cold storage evaporator; 27-a direct current compressor; 28-a first chamber; 29-second chamber.
Detailed Description
The technical scheme of the disclosure will be described in detail with reference to the accompanying drawings. In the description of the present application, it should be understood that the terms "one end", "the other end", "both ends", "outside-in", "around", "top", "bottom", "adjacent", "upper", "lower", "near", "side wall", "side", "left end", "right end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.
Furthermore, the terms "first" and "second" 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, but merely as differentiating between different elements.
As can be known from fig. 1 and 2, the solar-driven cold-storage cold-chain express delivery cabinet comprises a cabinet body 5, a solar power supply device, a refrigerating device and a phase-change cold-storage device, wherein the refrigerating device is connected with the phase-change cold-storage device, the refrigerating device is arranged outside the cabinet body 5, and the phase-change cold-storage device is arranged inside the cabinet body 5. And a fan 11 is arranged on the right side of the phase change cold storage device. The cabinet body 5 can be provided with a cold chain express cabinet and a normal temperature express cabinet.
The solar power supply device comprises a photovoltaic panel 1, a solar controller 3 and a storage battery 4, wherein the solar controller 3 is connected with the photovoltaic panel 1, the storage battery 4 and the cabinet body 5, and the photovoltaic panel 1 is arranged above the cabinet body 5.
For the make full use of space, use photovoltaic board 1 as the sunshade shed roof of the cabinet body in this application. The solar controller 3 is connected between the photovoltaic panel 1 and the storage battery 4 through a lead to realize undervoltage protection, overcharge protection and overvoltage protection of the storage battery 4. When the photovoltaic panel 1 generates enough power, the residual power is stored in the storage battery 4, and when the photovoltaic panel 1 generates insufficient power, the storage battery 4 supplies power to the whole system.
The cabinet body 5 comprises a shell 12 and an insulating layer 14, wherein the insulating layer 14 is arranged inside the shell 12 and is connected with the shell 12; a partition plate 19 is arranged in the cabinet body 5, two ends of the partition plate 19 are connected with the heat insulation layer 14, a wind tunnel 20 is arranged on the partition plate 19, the wind tunnel 20 is used as an outlet of low-temperature circulating air, and the wind tunnel 20 is connected with the fan 11. The insulating layer 14 is made of heat insulating material such as polyurethane.
The partition 19 divides the cabinet 5 into a first chamber 28 and a second chamber 29, the first chamber 28 being a refrigerating chamber, and the second chamber 29 being a storage chamber. The bottom of the first chamber 28 is provided with a condensed water discharge hole 18, the condensed water discharge hole 18 is used for discharging condensed water generated by condensation of the refrigeration chamber due to refrigeration, and a certain gradient is arranged to ensure smooth discharge of the condensed water.
Phase change cold-storage device all sets up in the first cavity 28, refrigerating plant establishes phase change cold-storage device left side, phase change cold-storage device establishes fan 11's left side just fan 11 connects. The refrigerating device can adopt an intermittent refrigerating mode, namely, the refrigerating device starts to refrigerate when fresh products are stored, and stops refrigerating when the fresh products are idle.
The phase change cold storage device comprises a phase change material packaging unit 9, and a phase change material is packaged in the phase change material packaging unit 9.
The first embodiment is as follows:
the refrigerating device comprises a hot end and a cold end, wherein a hot end fan 6 and a radiator 7 are arranged on the hot end from outside to inside, a refrigerating sheet 8 is arranged on the cold end, heat insulation cotton 17 is distributed on the periphery of the refrigerating sheet 8, and the heat insulation cotton 17 is connected with the radiator 7. The refrigeration piece 8 is a semiconductor refrigeration piece, the radiator 7 is an integral fin radiator, the hot end fan 6 is arranged on the outer side of the radiator 7, and the hot end fan 6 and the refrigeration piece 8 are powered by electric energy obtained by power generation of the photovoltaic panel 1.
Meanwhile, the phase change cold storage device further comprises a bottom plate 22, the left end of the bottom plate 22 is connected with the heat insulation cotton 17, the right end of the bottom plate 22 is connected with the left end of the phase change material packaging unit 9, and an air duct 10 is formed between the adjacent phase change material packaging units 9, as shown in fig. 3. The phase-change material packaging units 9 are closed spaces which are welded on metal sheets on the bottom plate 22 and enclose the phase-change materials, the phase-change materials are packaged in the closed spaces, the adjacent phase-change material packaging units 9 are arranged in parallel, and air channels 10 formed between the adjacent phase-change material packaging units are used as air channels for heat exchange between circulating air and the phase-change materials.
The right end of the phase change material packaging unit 9 is connected with the fan 11.
Example two:
the refrigerating device comprises a condenser 24, a throttle valve 25 and a direct current compressor 27, wherein one end of the condenser 24 is connected with the direct current compressor 27, the other end of the condenser is connected with the throttle valve 25, and the direct current compressor 27 is powered by the photovoltaic panel 1.
Meanwhile, the phase change cold storage device includes a cold storage evaporator 26 integrally formed with the refrigerating device. One end of the cold accumulation type evaporator 26 is connected with the direct current compressor 27, and the other end is connected with the throttle valve 25; the cold storage evaporator 26 is formed by sealing a metal plate in the phase change material packaging unit 9, the phase change material is packaged in the phase change material packaging unit 9, a serpentine coil 23 is arranged on one side of the phase change material packaging unit 9 close to the cabinet body 5, and a refrigerant of the refrigeration device flows in the serpentine coil 23, as shown in fig. 4 and 5. The refrigerator absorbs heat by vaporization in the serpentine coil 23, storing cold in the phase change material. The right end of the phase change material packaging unit 9 is connected with the fan 11.
As a specific embodiment, the bottom of the second chamber 29 is provided with a temperature controller 15 and a temperature display panel 16 for monitoring the temperature of the cabinet. When the temperature in the cabinet is controlled by the temperature controller 15 to be higher than the set upper temperature threshold, the refrigeration is started; and when the temperature in the cabinet is lower than the set lower temperature threshold, the refrigeration is stopped. When the online fresh commodity distribution system is used, fresh commodities are separately produced on a user line, and a distributor remotely controls the precooling of the cold chain express cabinet before arrival, so that the precooling temperature and time can be controlled.
As a specific embodiment, the cold chain express delivery cabinet further comprises an ultraviolet lamp 13, wherein the ultraviolet lamp 13 is connected with the photovoltaic panel 1 and is used for disinfecting the cabinet body. Ultraviolet lamp 13 mountable is at the top or the lateral wall of cold chain express delivery cabinet, and after giving birth to bright commodity and reacing the express delivery cabinet, the disinfection of steerable ultraviolet lamp 13 for a period, the user takes away the back with giving birth to the bright, but refrigeration and disinfection self-closing.
Referring to fig. 6, the connection mode of the cold chain express delivery cabinet system can be referred to, the ports of the solar controller 3 are respectively a positive and negative input port of the photovoltaic power generation, a positive and negative input and output port of the storage battery 4, and a positive and negative output port of the power supply, and the positive and negative output ports of the power supply respectively supply power to the temperature controller 15 and the WiFi module 21 and supply power to the ultraviolet lamp 13. The output end of the temperature controller 15 can output positive and negative voltages within the set temperature range. The two sets of relay switches of the WiFi module 21 respectively control the on and off of the refrigeration device and the ultraviolet lamp 13, and the control method is to connect the relay switches to the positive or negative power supply wires (for example, the relay switches are connected to the negative electrode in fig. 6) of the refrigeration device and the ultraviolet lamp 13.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (5)

1. A solar-driven cold-storage cold-chain express delivery cabinet is characterized by comprising a cabinet body (5), a solar power supply device, a refrigerating device and a phase-change cold-storage device, wherein the refrigerating device is connected with the phase-change cold-storage device, the refrigerating device is arranged outside the cabinet body (5), and the phase-change cold-storage device is arranged inside the cabinet body (5); a fan (11) is arranged on the right side of the phase change cold accumulation device;
the solar power supply device comprises a photovoltaic panel (1), a solar controller (3) and a storage battery (4), wherein the solar controller (3) is connected with the photovoltaic panel (1), the storage battery (4) and the cabinet body (5), and the photovoltaic panel (1) is arranged above the cabinet body (5);
the cabinet body (5) comprises a shell (12) and an insulating layer (14), wherein the insulating layer (14) is arranged inside the shell (12) and is connected with the shell (12); a partition plate (19) is arranged in the cabinet body (5), two ends of the partition plate (19) are connected with the heat insulation layer (14), a wind tunnel (20) is arranged on the partition plate (19), and the wind tunnel (20) is connected with the fan (11);
the cabinet body (5) is divided into a first chamber (28) and a second chamber (29) by the partition plate (19), a condensate water discharge hole (18) is formed in the bottom of the first chamber (28), the phase change cold storage device is arranged in the first chamber (28), the refrigerating device is arranged on the left side of the phase change cold storage device, and the phase change cold storage device is arranged on the left side of the fan (11) and connected with the fan (11);
the phase change cold storage device comprises a phase change material packaging unit (9), and a phase change material is packaged in the phase change material packaging unit (9).
2. The cold-chain express cabinet according to claim 1, wherein the refrigerating device comprises a hot end and a cold end, the hot end is provided with a hot end fan (6) and a radiator (7) from outside to inside, the cold end is provided with a refrigerating sheet (8), heat insulation cotton (17) is distributed around the refrigerating sheet (8), and the heat insulation cotton (17) is connected with the radiator (7);
the phase change cold storage device further comprises a bottom plate (22), the left end of the bottom plate (22) is connected with the heat insulation cotton (17), the right end of the bottom plate is connected with the left end of the phase change material packaging unit (9), and an air duct (10) is formed between the adjacent phase change material packaging units (9);
the right end of the phase change material packaging unit 9 is connected with the fan (11).
3. The cold-chain express delivery cabinet according to claim 1, wherein the refrigeration device comprises a condenser (24), a throttle valve (25) and a direct-current compressor (27), wherein one end of the condenser (24) is connected with the direct-current compressor (27), and the other end of the condenser is connected with the throttle valve (25);
the phase change cold accumulation device comprises a cold accumulation type evaporator (26), one end of the cold accumulation type evaporator (26) is connected with the direct current compressor (27), and the other end of the cold accumulation type evaporator is connected with the throttling valve (25); the cold storage evaporator (26) is formed by sealing a metal plate to form the phase change material packaging unit (9), a phase change material is packaged in the phase change material packaging unit (9), a serpentine coil (23) is arranged on one side, close to the cabinet body (5), of the phase change material packaging unit (9), and a refrigerant of the refrigerating device flows in the serpentine coil (23);
the right end of the phase change material packaging unit 9 is connected with the fan (11).
4. A cold chain express delivery cabinet according to any one of claims 1 to 3, wherein the second chamber (29) is provided with a temperature controller (15) and a temperature display panel (16) on the side.
5. The cold chain express delivery cabinet according to claim 4, further comprising an ultraviolet lamp (13), wherein the ultraviolet lamp (13) is connected with the photovoltaic panel (1).
CN202110663611.4A 2021-06-16 2021-06-16 Solar-driven cold-storage type cold-chain express cabinet Pending CN113959141A (en)

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Application Number Priority Date Filing Date Title
CN202110663611.4A CN113959141A (en) 2021-06-16 2021-06-16 Solar-driven cold-storage type cold-chain express cabinet

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Application Number Priority Date Filing Date Title
CN202110663611.4A CN113959141A (en) 2021-06-16 2021-06-16 Solar-driven cold-storage type cold-chain express cabinet

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CN113959141A true CN113959141A (en) 2022-01-21

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07329553A (en) * 1994-06-07 1995-12-19 Mitsubishi Heavy Ind Ltd Cooling device for vehicle
JPH08159524A (en) * 1994-12-07 1996-06-21 Misawa Homes Co Ltd Cold heat storage type integral air conditioner
CN103985196A (en) * 2014-06-05 2014-08-13 上海理工大学 Vending machine
CN205227970U (en) * 2015-11-12 2016-05-11 伯恩太阳能科技有限公司 Cold -stored locker of bright delivery is given birth to to solar energy
CN106969533A (en) * 2017-05-25 2017-07-21 珠海格力电器股份有限公司 Semiconductor refrigeration box and heat dissipation device thereof
CN209147491U (en) * 2018-10-19 2019-07-23 宁波工程学院 A kind of refrigerator and phase-changing energy-storing hot water coupling system
CN211476418U (en) * 2019-11-21 2020-09-11 杭州大和热磁电子有限公司 Semiconductor refrigeration cabinet for cosmetics

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07329553A (en) * 1994-06-07 1995-12-19 Mitsubishi Heavy Ind Ltd Cooling device for vehicle
JPH08159524A (en) * 1994-12-07 1996-06-21 Misawa Homes Co Ltd Cold heat storage type integral air conditioner
CN103985196A (en) * 2014-06-05 2014-08-13 上海理工大学 Vending machine
CN205227970U (en) * 2015-11-12 2016-05-11 伯恩太阳能科技有限公司 Cold -stored locker of bright delivery is given birth to to solar energy
CN106969533A (en) * 2017-05-25 2017-07-21 珠海格力电器股份有限公司 Semiconductor refrigeration box and heat dissipation device thereof
CN209147491U (en) * 2018-10-19 2019-07-23 宁波工程学院 A kind of refrigerator and phase-changing energy-storing hot water coupling system
CN211476418U (en) * 2019-11-21 2020-09-11 杭州大和热磁电子有限公司 Semiconductor refrigeration cabinet for cosmetics

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