CN114963682B - Semiconductor two-stage circulation refrigeration insulation can - Google Patents
Semiconductor two-stage circulation refrigeration insulation can Download PDFInfo
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- CN114963682B CN114963682B CN202210564748.9A CN202210564748A CN114963682B CN 114963682 B CN114963682 B CN 114963682B CN 202210564748 A CN202210564748 A CN 202210564748A CN 114963682 B CN114963682 B CN 114963682B
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 72
- 238000009413 insulation Methods 0.000 title claims abstract description 17
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- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000004321 preservation Methods 0.000 claims abstract description 17
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Images
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
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
- F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
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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
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- 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
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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
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/14—Insulation with respect to heat using subatmospheric pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention relates to a semiconductor secondary circulation refrigeration insulation can, and belongs to the technical field of mobile refrigeration insulation. The device comprises a semiconductor refrigeration system, a vacuumizing shell, an internal cooling system, a high-energy light rechargeable battery and a dynamic function display panel; the vacuumizing shell comprises a vacuum box and a vacuum cover, and the semiconductor refrigerating system comprises a semiconductor and a semiconductor refrigerator; a bottom space is arranged between the vacuum box bottom plate and the bottom of the heat preservation box, and the high-energy light rechargeable battery and the semiconductor refrigerator are arranged in the bottom space; the bottom of the semiconductor refrigerator is provided with a first-stage cooling water tank, and first-stage cooling water and degraded temperature and humidity cotton are arranged in the first-stage cooling water tank; the invention can effectively solve the problems of large influence of the ambient temperature on the refrigerating temperature of the semiconductor refrigerator, low heat preservation effect, large weight of the refrigerator, large noise and the like.
Description
Technical Field
The invention relates to a semiconductor secondary circulation refrigeration insulation can, and belongs to the technical field of mobile refrigeration insulation.
Background
In the technical field of mobile refrigeration and heat preservation, heat preservation boxes, (vehicle-mounted) refrigerators and the like are widely applied to automobiles, yachts, medical treatment and the like in many developed and developing countries, and become a part of a quick travel mode of people. With the generation and development of various high and new technologies and the application of new materials in the field of (vehicle-mounted) refrigerators, the whole product structure of the refrigerator is improved, and the production process is continuously improved, so that the working efficiency of the (vehicle-mounted) refrigerator is greatly improved.
The current refrigerators are mainly classified into the following categories according to the difference of the refrigerating principle: 1. compression refrigerator: the refrigerating system of the refrigerator is manufactured by using the principle that a refrigerant with a boiling point lower than that of the compressor is changed into steam in an evaporator to absorb heat. 2. Absorption refrigerator: the electric heating element is used as power, the mixed solution of ammonia water and hydrogen is used for continuously absorbing heat to diffuse so as to achieve the aim of refrigeration, the refrigeration efficiency is low, and the cooling speed is relatively low. 3. Semiconductor refrigerator: the refrigerator is also called as a 'thermoelectric refrigerator', and a P-N junction formed by special semiconductor materials is utilized to form a thermocouple pair, so that a Peltier effect is generated, and the refrigerator is refrigerated by direct current.
The refrigerator based on the three-point refrigeration principle mainly has the following limitations in technology: 1. the refrigerants that are currently widely used in compression type refrigerators are liquid ammonia and freon. The liquid ammonia refrigerant has low cost and poor temperature control effect, and is particularly large in weight, not suitable for mobile turnover use, and meanwhile, the liquid ammonia is extremely volatile and diffuse, and meanwhile, has strong pungent smell, and can damage respiratory tract and skin mucosa of a human body to cause certain damage to the health of the human body. When the ammonia concentration in the air reaches a certain degree, the probability of explosion phenomenon when exposed fire occurs is high, and the risk is high, so that strict leakage prevention work is required. The freon refrigerant is used for working, so that the safety and the refrigerating efficiency are improved, but the freon refrigerant has large noise, large volume and high cost, and the freon is emitted into the air to cause serious pollution to the ozone layer. 2. The absorption refrigerator is silent and fluorine-free, and can be used as energy sources for alternating current and direct current or fuel gas, water and the like, but the refrigeration efficiency is low, the cost is high, and the power consumption is high. A common limitation of both absorption and compression refrigerators is the need to keep the cabinet flat, which can easily affect its working effect once tilted or inverted. 3. The semiconductor refrigerator does not need a refrigerant, and is environment-friendly; no mechanical transmission structure, low noise, no abrasion and long service life during working; the temperature of refrigeration can be adjusted by changing the current, and the flexibility is high. However, as an emerging technology, there are some drawbacks to be overcome, such as a large working current, low refrigeration efficiency at a large capacity, large heat productivity, high requirements on heat dissipation conditions, and low heat preservation efficiency; the refrigerating speed is low compared with that of compression type and absorption type devices, and the refrigerating effect is still to be further improved.
The semiconductor refrigeration is one of the promising energy-saving and environment-friendly technologies in the refrigeration field, the heating function can be realized by transposition of the anode and the cathode, the technical limit is broken through, and the temperature to be achieved can be accurately set, so that the semiconductor refrigeration device can play a higher utilization value in the portable refrigeration and heat preservation field. In order to overcome the limitation of the technology, the innovation technology is focused on the aspects of improving the refrigeration effect of the semiconductor refrigerator (adding one-stage refrigeration before the semiconductor refrigeration), improving the working heat dissipation condition of the semiconductor refrigerator, taking measures to improve the temperature control performance of the semiconductor refrigerator and the like.
Disclosure of Invention
In order to overcome the defects of a refrigerator designed based on the existing three-big refrigeration technology, the invention provides a semiconductor two-level circulation refrigeration heat preservation box, which is used for solving the problems that the refrigeration temperature of a semiconductor refrigerator is greatly influenced by the ambient temperature, the heat preservation effect is lower, the refrigerator is heavy in weight, and the noise is large, and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a semiconductor two-stage circulation refrigeration insulation box comprises a semiconductor refrigeration system, a vacuumizing shell, an internal cooling system, a high-energy light rechargeable battery and a dynamic function display panel;
the vacuum-pumping shell comprises a vacuum box and a vacuum cover, wherein the interiors of the vacuum box and the vacuum cover are respectively formed by a negative pressure cavity and a negative pressure support filled with honeycomb-like hexagonal materials, and a negative pressure cavity is defined between adjacent negative pressure supports;
the semiconductor refrigeration system comprises a semiconductor and a semiconductor refrigerator; the semiconductor is arranged on the upper surface of the bottom plate of the vacuum box and is connected with the semiconductor refrigerator at the lower part;
a bottom space is arranged between the vacuum box bottom plate and the bottom of the vacuumizing shell, and the high-energy light rechargeable battery and the semiconductor refrigerator are arranged in the bottom space; the high-energy light rechargeable battery is also connected with a charger; the semiconductor refrigerator is connected with the high-energy light rechargeable battery and the dynamic function display panel and is used for realizing temperature control; the bottom of the semiconductor refrigerator is provided with a first-stage cooling water tank, first-stage cooling water and first-stage cooling wet cotton are arranged in the first-stage cooling water tank, the first-stage cooling wet cotton is soaked in the first-stage cooling water, and the outside of the first-stage cooling water tank is communicated with the outside of the vacuumizing shell through a first-stage cooling water injection pipe;
the internal cooling system comprises a cross-flow fan, an external motor and a guide plate; the cross-flow fan and the external motor are respectively extended out of the bearing, a fan magnet is arranged at the end part of the bearing of the cross-flow fan, a motor magnet is arranged at the end part of the bearing of the external motor, the motor magnet is positioned right below the fan magnet, the cross-flow fan and the external motor are separated and fixed through a sealing plate, and the sealing plate is arranged between holes of the bottom plate of the vacuum box; and a flow guide plate is arranged outside the semiconductor and the cross-flow fan in the vacuum box.
Further, when the refrigerator is used, the external motor drives the motor magnet to rotate, and drives the fan magnet to rotate through magnetic force, and further drives the cross-flow fan to rotate through the bearing, so that shaftless magnetic force transmission is realized, the external motor is prevented from being wet, meanwhile, the guide plate protects the cross-flow fan, circulating flow cooling is realized, and frosting damage of the semiconductor refrigerator is prevented; in addition, when the refrigerator is used, the primary cooling water is injected into the primary cooling water tank through the primary cooling water injection pipe, the temperature of the air above the primary cooling water tank is reduced through the evaporation of the primary cooling water, primary refrigeration air is formed, and then the primary refrigeration air is sucked into the semiconductor refrigerator through the cooling fan in the semiconductor refrigerator, so that the heat in the semiconductor refrigerator is taken away, and the refrigeration is realized; and the primary cooling water in the primary cooling water tank is volatilized under the action of the cooling fan of the semiconductor refrigerator, so that more heat of the semiconductor refrigerator is taken away, the refrigeration effect of the semiconductor refrigerator is improved, and finally, the effect of reducing the refrigeration temperature by secondary circulation refrigeration is realized.
Further, the fan magnet and the motor magnet have the same diameter.
Further, the semiconductor refrigerator comprises two semiconductors and two semiconductor refrigerators; the high-energy light rechargeable battery and the charger are two.
Further, each semiconductor refrigerator, each high-energy light rechargeable battery and each charger are correspondingly arranged and connected to form a group of semiconductor refrigeration equipment, and the two groups of semiconductor refrigeration equipment are symmetrically arranged in the bottom space of the heat insulation box.
Further, a first-stage cooling water filling port is arranged on the outer side of the first-stage cooling water filling pipe.
Further, a heating key and a refrigerating key are also arranged on the dynamic function display panel.
Further, the vacuumizing shell is a double-layer stainless steel shell.
Further, a hidden handle is arranged on the left side of the vacuum cover, and the right side of the vacuum cover is in pivot connection with the vacuum box; the dynamic function display panel is arranged at the top of the vacuum box and is opposite to the hidden handle; and a ventilation opening is arranged at the lower part of the front side of the vacuum box.
Further, the external motor and the motor magnet are arranged in the hole of the vacuum box bottom plate and positioned at the lower part of the sealing plate.
Compared with the (vehicle-mounted) refrigerator, an incubator and the like in the prior art, the invention has the following advantages:
1. the heat-insulating box adopts semiconductor refrigeration, does not need to be refrigerated by a refrigerant, does not need to worry about the danger of refrigerant leakage, is not afraid of jolting, and is energy-saving and environment-friendly; the volume of the insulation can be freely controlled by matching with two semiconductor refrigerators;
2. according to the heat preservation box, the double-layer vacuumizing is arranged on the stainless steel shell, the box cover is vacuumized, heat conduction is isolated, compared with a traditional refrigerator, the heat preservation performance of the refrigerator is greatly enhanced, meanwhile, the thickness and the weight of the heat preservation box shell are reduced, and the effective internal volume is increased;
3. the vacuum-pumping shell of the insulation box adopts the negative pressure support, prevents stainless steel from deforming caused by vacuum pumping, adopts bionic honeycomb hexagonal structure material for filling, has high insulation coefficient, high mechanical strength and good bearing performance, and saves raw materials;
4. the heat insulation box is provided with the internal cooling system, so that the problem that the service life of a motor is reduced due to poor working conditions in a freezing chamber is solved, and a certain refrigerating effect is improved;
5. the cooling system inside the insulation box adopts shaftless magnetic transmission, and an external motor with a magnet and an internal through-flow fan with a magnet are arranged, so that perforation is not needed, the phenomena that the motor is wet and easy to damage in the box are avoided, the through-flow fan is wide in air channel, the wind speed and the wind quantity are uniformly distributed, and the integral refrigerating effect is improved.
6. According to the heat preservation box, the first-stage cooling wet cotton and the first-stage cooling water cooling air are added, the cooling air enters the semiconductor refrigeration cooling system, the air temperature entering the semiconductor refrigerator is reduced, the refrigeration effect of the semiconductor secondary refrigerator is improved, and the refrigeration temperature is reduced;
7. the functional display panel of the incubator is an intelligent display screen, and dynamic display is arranged on the screen: heating, solar lighting, refrigerating and snowflake rotation;
8. the semiconductor with the refrigerating structure of the heat insulation box can be used for heating through the transposition of the positive electrode and the negative electrode of the power supply, so that the double selection of refrigerating and heating is realized, and the technical limit is broken through;
9. the incubator of the invention is equipped with a high-energy light battery. The rechargeable electric power storage device can work uninterruptedly in the moving process, overcomes the limitation that the traditional refrigerator can only work under the condition of being connected with a power supply, and realizes uninterrupted work without an external electric power supply in moving.
The semiconductor secondary circulation refrigeration insulation can has precise design and control principle, and is intelligent and convenient to operate. Compared with the traditional semiconductor refrigerator, the refrigerator has the advantages of improving the working efficiency, enhancing the refrigerating effect, along with good heat preservation performance, high mechanical strength, realizing uninterrupted operation without an external power supply in movement, overcoming a plurality of defects of the traditional refrigerator and providing a new concept and approach for technical innovation of the novel heat preservation box.
Drawings
FIG. 1 is a schematic diagram of a semiconductor two-stage circulation refrigeration incubator of the present invention;
FIG. 2 is a cross-sectional view corresponding to the position of section P in FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a section B-B of fig. 2.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a semiconductor two-stage circulation refrigeration incubator of the present invention comprises a semiconductor refrigeration system, a vacuum-pumping housing, an internal cooling system, a high-energy light rechargeable battery 71 and a dynamic function display panel 92. The vacuumizing shell is a double-layer stainless steel shell and comprises a vacuum box 21 and a vacuum cover 23, wherein the interiors of the vacuum box 21 and the vacuum cover 23 are respectively formed by a negative pressure cavity 41 and a negative pressure support 42 filled with honeycomb-like hexagonal materials, and a negative pressure cavity 41 is defined between every two adjacent negative pressure supports 42.
The semiconductor refrigeration system includes a semiconductor 11 and a semiconductor refrigerator 12. The semiconductor 11 is disposed on the upper surface of the bottom plate of the vacuum box 21 and is connected to the semiconductor refrigerator 12 at the lower part.
As shown in fig. 2-3, a bottom space is provided between the bottom plate of the vacuum box 21 and the bottom of the incubator, and a high-energy light rechargeable battery 71 and a semiconductor refrigerator 12 are provided in the bottom space. The high-energy lightweight rechargeable battery 71 is also connected to a charger 72. The semiconductor refrigerator 12 is connected with the high-energy light rechargeable battery 71 and the dynamic function display panel 92, and is used for realizing temperature control, and a heating key and a refrigerating key can be further arranged on the dynamic function display panel 92, so that heating and refrigerating switching setting can be realized. The bottom of the semiconductor refrigerator 12 is provided with a first-stage cooling water tank 81, first-stage cooling water 83 and a degraded temperature and humidity cotton 82 are arranged in the first-stage cooling water tank 81, the degraded temperature and humidity cotton 82 is soaked in the first-stage cooling water 83, and the outside of the first-stage cooling water tank 81 is communicated with the outside of the vacuumizing shell through a first-stage cooling water injection pipe 84. A primary cooling water filling port 85 is arranged outside the primary cooling water filling pipe 84.
In this embodiment, as shown in fig. 1-2, a hidden handle 91 is mounted on the left side of the vacuum cover 23, and the right side is pivotally connected to the vacuum box 21. A dynamic function display panel 92 is provided on top of the vacuum box 21 opposite to the hidden handle 91. A vent 93 is provided at the lower front side of the vacuum box 21.
As shown in fig. 2-4, the internal cooling system includes a cross-flow fan 33, an external motor 35, and a baffle 32. The cross-flow fan 33 and the external motor 35 are both extended with bearings, the fan magnet 31 is mounted at the bearing end of the cross-flow fan 33, the motor magnet 34 is mounted at the bearing end of the external motor 35, the motor magnet 34 is located right below the fan magnet 31, and the fan magnet 31 and the motor magnet 34 have the same diameter. The cross-flow fan 33 and the external motor 35 are separated and fixed by a sealing plate, and the sealing plate is arranged between holes of the bottom plate of the vacuum box 21. The external motor 35 and the motor magnet 34 are arranged in the hole of the bottom plate of the vacuum box 21 and are positioned at the lower part of the sealing plate. A flow-through fan 33 in the vacuum box 21 and a deflector 32 are provided outside the semiconductor 11.
When the semiconductor refrigerator is used, the external motor 35 drives the motor magnet 34 to rotate, the fan magnet 31 is driven to rotate through magnetic force, the through-flow fan 33 is driven to rotate through the bearing, shaftless magnetic force transmission is achieved, the external motor 35 is prevented from being wet, meanwhile, the flow guide plate 32 protects the through-flow fan 33, circulation flow cooling is achieved, and frosting damage of the semiconductor refrigerator 12 is prevented. In addition, when in use, the primary cooling water 83 is injected into the primary cooling water tank 81 through the primary cooling water injection pipe 84, the air above the primary cooling water tank 81 is cooled by the evaporation of the primary cooling water 83 to form primary refrigeration air, and then the primary refrigeration air is sucked into the semiconductor refrigerator 12 through the cooling fan in the semiconductor refrigerator 12 to take away the heat in the semiconductor refrigerator 12, so that refrigeration is realized. The primary cooling water 83 inside the primary cooling water tank 81 is volatilized under the action of the cooling fan of the semiconductor refrigerator 12, so that more heat of the semiconductor refrigerator 12 is taken away, the refrigeration effect of the semiconductor refrigerator 12 is improved, and finally the effect of reducing the refrigeration temperature by secondary circulation refrigeration is realized.
In the present embodiment, as shown in fig. 2, the semiconductor refrigerator includes two semiconductors 11 and two semiconductor refrigerators 12. The high-energy lightweight rechargeable battery 71 and the charger 72 are also two. Each semiconductor 11, each semiconductor refrigerator 12, each high-energy light-weight rechargeable battery 71 and each charger 72 are correspondingly arranged and connected into a group of semiconductor refrigeration equipment, and the two groups of semiconductor refrigeration equipment are symmetrically arranged in the bottom space of the heat preservation box.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A semiconductor two-stage circulation refrigeration insulation box comprises a semiconductor refrigeration system, a vacuumizing shell, an internal cooling system, a high-energy light rechargeable battery (71) and a dynamic function display panel (92); the method is characterized in that:
the vacuum-pumping shell comprises a vacuum box (21) and a vacuum cover (23), wherein the interiors of the vacuum box (21) and the vacuum cover (23) are respectively formed by a negative pressure cavity (41) and negative pressure supports (42) filled with honeycomb-like hexagonal materials, and a negative pressure cavity (41) is defined between every two adjacent negative pressure supports (42);
the semiconductor refrigeration system comprises a semiconductor (11) and a semiconductor refrigerator (12); the semiconductor (11) is arranged on the upper surface of the bottom plate of the vacuum box (21) and is connected with the semiconductor refrigerator (12) at the lower part;
a bottom space is arranged between the bottom plate of the vacuum box (21) and the bottom of the heat preservation box, and the high-energy light rechargeable battery (71) and the semiconductor refrigerator (12) are arranged in the bottom space; the high-energy light rechargeable battery (71) is also connected with a charger (72); the semiconductor refrigerator (12) is connected with a high-energy light rechargeable battery (71) and a dynamic function display panel (92) and is used for realizing temperature control; the bottom of the semiconductor refrigerator (12) is provided with a first-stage cooling water tank (81), first-stage cooling water (83) and first-stage cooling wet cotton (82) are arranged inside the first-stage cooling water tank (81), the first-stage cooling wet cotton (82) is soaked in the first-stage cooling water (83), and the outside of the first-stage cooling water tank (81) is communicated with the outside of the vacuumizing shell through a first-stage cooling water injection pipe (84);
the internal cooling system comprises a cross-flow fan (33), an external motor (35) and a guide plate (32); the cross-flow fan (33) and the external motor (35) are respectively provided with a bearing, the bearing end part of the cross-flow fan (33) is provided with a fan magnet (31), the bearing end part of the external motor (35) is provided with a motor magnet (34), the motor magnet (34) is positioned right below the fan magnet (31), the cross-flow fan (33) and the external motor (35) are separated and fixed through a sealing plate, and the sealing plate is arranged between holes of the bottom plate of the vacuum box (21); a flow guide plate (32) is further arranged on the outer sides of the cross-flow fan (33) and the semiconductor (11) in the vacuum box (21).
2. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: when the refrigerator is used, the external motor (35) drives the motor magnet (34) to rotate, the fan magnet (31) is driven to rotate through magnetic force, and then the through-flow fan (33) is driven to rotate through the bearing, so that shaftless magnetic transmission is realized, the external motor (35) is prevented from being wet, meanwhile, the flow guide plate (32) protects the through-flow fan (33), circulating flow cooling is realized, and frosting damage of the semiconductor refrigerator (12) is prevented; in addition, when the refrigerator is used, the primary cooling water (83) is injected into the primary cooling water tank (81) through the primary cooling water injection pipe (84), the temperature of the air above the primary cooling water tank (81) is reduced through the evaporation of the primary cooling water (83) to form primary refrigeration air, and then the primary refrigeration air is sucked into the semiconductor refrigerator (12) through the cooling fan in the semiconductor refrigerator (12) to take away heat in the semiconductor refrigerator (12) so as to realize refrigeration; and the primary cooling water (83) in the primary cooling water tank (81) is volatilized under the action of the cooling fan of the semiconductor refrigerator (12) in an accelerating way, so that more heat of the semiconductor refrigerator is taken away, the refrigeration effect of the semiconductor refrigerator is improved, and finally, the effect of reducing the refrigeration temperature by secondary circulation refrigeration is realized.
3. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: the fan magnet (31) and the motor magnet (34) have the same diameter.
4. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: the semiconductor refrigerator comprises two semiconductors (11) and two semiconductor refrigerators (12); the high-energy lightweight rechargeable battery (71) and the charger (72) are two.
5. The semiconductor two-stage circulation refrigeration and insulation box according to claim 4, wherein: each semiconductor (11), each semiconductor refrigerator (12), each high-energy light rechargeable battery (71) and each charger (72) are correspondingly arranged and connected to form a group of semiconductor refrigeration equipment, and the two groups of semiconductor refrigeration equipment are symmetrically arranged in the bottom space of the heat preservation box.
6. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: the outside of the primary cooling water injection pipe (84) is provided with a primary cooling water injection port (85).
7. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: and the dynamic function display panel (92) is also provided with a heating key and a refrigerating key.
8. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: the vacuumizing shell is a double-layer stainless steel shell.
9. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: the left side of the vacuum cover (23) is provided with a hidden handle (91), and the right side is in pivot connection with the vacuum box (21); the dynamic function display panel (92) is arranged at the top of the vacuum box (21) and is opposite to the hidden handle (91); a ventilation opening (93) is arranged at the lower part of the front side of the vacuum box (21).
10. The semiconductor two-stage circulation refrigeration incubator of claim 1, wherein: the external motor (35) and the motor magnet (34) are arranged in the hole of the bottom plate of the vacuum box (21) and are positioned at the lower part of the sealing plate.
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