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CN112781133B - Cold storage device placed on table top small electric fan for cooling and air supply - Google Patents

Cold storage device placed on table top small electric fan for cooling and air supply Download PDF

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Publication number
CN112781133B
CN112781133B CN202110140474.6A CN202110140474A CN112781133B CN 112781133 B CN112781133 B CN 112781133B CN 202110140474 A CN202110140474 A CN 202110140474A CN 112781133 B CN112781133 B CN 112781133B
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China
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type
cold
cooling
fan
supporting
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CN202110140474.6A
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Chinese (zh)
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CN112781133A (en
Inventor
欧浩勋
曾阔
左宏杨
李俊
钟典
杨心怡
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Shenzhen Yaxunda Lcd Display Equipment Co ltd
Shenzhen Huazhong University of Science and Technology Research Institute
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Shenzhen Yaxunda Lcd Display Equipment Co ltd
Shenzhen Huazhong University of Science and Technology Research Institute
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Priority to CN202110140474.6A priority Critical patent/CN112781133B/en
Publication of CN112781133A publication Critical patent/CN112781133A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0042Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F24F5/0021Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a cold accumulation device for cooling and supplying air of a small electric fan mounted on a table top, and particularly relates to the field of electric fans, which comprises two supporting type triangular frame mechanisms, wherein a detachable transverse connecting mechanism is fixedly mounted on one side of each supporting type triangular frame mechanism, the number of the detachable transverse connecting mechanisms is two, and cooling type air supply assemblies are fixedly mounted on the two supporting type triangular frame mechanisms through corresponding detachable transverse connecting mechanisms; the cooling type air supply assembly comprises a fan assembly external protection frame, and a central cold storage chamber is fixedly arranged at the central position of the fan assembly external protection frame. The invention releases cold and simultaneously starts the electric heating refrigerating sheet on the outer edge to supplement the cold, and simultaneously utilizes the disturbance of the air supply of the small electric fan to the air flow to strengthen the Peltier effect, thereby achieving the effect of greatly prolonging the cooling duration.

Description

Cold storage device placed on table top small electric fan for cooling and air supply
Technical Field
The invention relates to the technical field of electric fans, in particular to a cold accumulation device for cooling and blowing air by a small electric fan arranged on a table board.
Background
Nowadays, the situation of energy is increasingly difficult, the environmental crisis is urgent, air-conditioning refrigeration is the main power consumption activity of residents in summer, the method is contrived to reduce the significance of the air-conditioning refrigeration on energy conservation and emission reduction in summer, the substitute of the air-conditioning refrigeration is an electric fan, the power consumption is lower than that of an air conditioner, and the corresponding sunstroke prevention effect is difficult to meet the demands of the residents when the room temperature rises to a certain degree.
The existing equipment, such as small electric fans on tables and tables, generally has the characteristics of low voltage and low current due to safety considerations, so that sufficient cooling capacity cannot be provided to reduce the air supply temperature of the small electric fans by using the peltier effect for refrigeration in the low-power environment and the small temperature difference environment of the tables and tables.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a cold storage device placed on a small table-top electric fan for cooling and supplying air, which supplements the cooling capacity by turning on an electric heating cooling sheet on an outer edge while releasing the cooling capacity, and utilizes the disturbance of the small electric fan for supplying air to enhance the peltier effect, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a cold accumulation device for cooling and supplying air for a small electric fan placed on a table top comprises two supporting triangular frame mechanisms, wherein a detachable transverse connecting mechanism is fixedly installed on one side of each supporting triangular frame mechanism, the number of the detachable transverse connecting mechanisms is two, and cooling type air supply assemblies are fixedly installed on the two supporting triangular frame mechanisms through corresponding detachable transverse connecting mechanisms;
the cooling type air supply assembly comprises an external protection frame of a fan assembly, a central position of the external protection frame of the fan assembly is fixedly provided with a central cold storage chamber, one side of the central cold storage chamber is provided with a cold storage type fan blade assembly through bolt fixing, one side of the external protection frame of the fan assembly is fixedly provided with a corresponding type annular clamping ring, one side of the corresponding type annular clamping ring is provided with a supporting type annular supporting section through bolt fixing, the outer wall of the supporting type annular supporting section is provided with a hot end radiating fin through bolt fixing, one side of the hot end radiating fin is fixedly provided with an electric heating refrigerating sheet, a plurality of protecting type partition ring layers are fixedly arranged between the supporting type annular supporting section and the hot end radiating fin, and one side of the supporting type annular supporting section is fixedly provided with a charging interface and a processor.
In a preferred embodiment, one side of support type annular support section is through bolt fixed mounting collude the spacing joint ring of form, collude the top of the spacing joint ring of form and have a plurality of corresponding type positioning fixture blocks, a plurality of through bolt fixed mounting corresponding type positioning fixture block all is the annular equidistance and sets gradually, fan subassembly external protective frame's outer wall joint has a plurality of first outer sleeve type spacing half-round covers, a plurality of corresponding type positioning card grooves have been seted up to the outer wall of first outer sleeve type spacing half-round cover, and is a plurality of corresponding type positioning card groove all is the annular equidistance and sets gradually, corresponding type positioning fixture block joint is at corresponding type positioning card groove inner chamber.
In a preferred embodiment, both sides of the bottom of the external protective frame of the fan assembly are fixedly provided with corresponding limiting snap rings, the corresponding limiting snap rings are clamped in corresponding inner cavities of the hook-shaped limiting snap rings, and one side of the first outer sleeve type limiting half-round cover is fixedly provided with a second outer sleeve type limiting half-round cover through bolts.
In a preferred embodiment, a plurality of cantilever type connecting frame discs are fixedly mounted on one side of the external protective frame of the fan assembly and inside of the supporting type annular supporting section through bolts, a first connecting shaft section is fixedly mounted on one side of the cold storage type fan blade assembly through bolts, a second connecting shaft section is fixedly mounted on one side of the cantilever type connecting frame disc at the central position of the supporting type annular supporting section, and the first connecting shaft section and the adjacent second connecting shaft section are arranged in a one-to-one correspondence manner.
In a preferred embodiment, the supporting triangular frame mechanism comprises a detachable triangular supporting wall plate, a triangular fixing preformed groove is formed in the detachable triangular supporting wall plate, and a plurality of middle through grooves are formed in the detachable triangular supporting wall plate.
In a preferred embodiment, the horizontal slot of spacing type has been seted up to the bottom of dismantlement formula triangular supports wallboard, the horizontal grafting of inner chamber of the horizontal slot of spacing type has the horizontal picture peg of spacing type, the bottom of the horizontal picture peg of spacing type has antiskid type rubber end cover through bolt fixed mounting, the horizontal slot of spacing type all is the one-to-one setting with the horizontal picture peg of adjacent spacing type.
In a preferred embodiment, the horizontal coupling mechanism of dismantlement formula includes first support type bolted connection seat, one side threaded connection of first support type bolted connection seat has first semicircle magnetite joint cover, one side fixed mounting of first support type bolted connection seat has second support type bolted connection seat, and first support type bolted connection seat all is the one-to-one setting with adjacent second support type bolted connection seat, one side threaded connection of second support type bolted connection seat has second semicircle magnetite joint cover, all there is spherical magnetite joint spiral block through the magnetism joint between second semicircle magnetite joint cover and the first semicircle magnetite joint cover.
In a preferred embodiment, the charging interface and the processor are connected with a power cord to transmit electric energy to the electric heating refrigerating sheet, and meanwhile, the peltier effect is utilized for refrigerating.
In a preferred embodiment, the cool storage type fan blade assembly is composed of a plurality of rectangular blades and two annular blades, a cool storage phase change medium is packaged in the cool storage type fan blade assembly and also has the function of mainly cooling and supplying air when the device works, and the cool storage phase change medium packaged in the central cool storage chamber is connected with the cool storage type fan blade assembly and continuously provides cold for the cool storage blades when the device works.
In a preferred embodiment, the electric heating refrigeration pieces comprise two sets, wherein the electric heating refrigeration piece positioned on the side surface of the device assists in refrigeration when the device works, and the other set of the electric heating refrigeration piece utilizes the disturbance of the air flow caused by the air supply of the small electric fan to enhance the heat dissipation of the hot end.
In a preferred embodiment, the cold end of the electric heating refrigeration piece extends into the cold accumulation type fan blade component for refrigeration, the hot end of the electric heating refrigeration piece is outwards connected with the hot end radiating fin, the electric heating refrigeration piece on the lee side and the corresponding hot end radiating fin device both assist the blades to undertake part of cooling and air supply functions when working, and the electric heating refrigeration piece on the side surface refrigerates when working so as to prolong the total time of cooling and air supply of the device;
in a preferred embodiment, the cold accumulation type fan blade assembly and the central cold accumulation chamber utilize the time of the device stopping working, so that the electric heating refrigeration piece can accumulate cold for a long time at low power under a safe voltage; the cold energy is quickly released when the device works by utilizing the idle cold energy of the cold accumulation phase-change material collecting device.
The invention has the technical effects and advantages that:
1. because the voltage and the current for the table-board small-sized electric appliance are generally low, the cooling by utilizing the Peltier effect is difficult to meet the requirement of cooling the air supply of the table-board small fan to the comfortable temperature of a human body, the device utilizes the low-power environment of the table-board small-sized electric appliance to carry out long-time cooling, utilizes the cold energy generated by the cold storage phase-change material collecting device during idling, and quickly releases the cold energy when the device works so as to cool the air supply of the table-board small electric fan to the comfortable temperature of the human body, and can maintain the cooling for a long time;
2. according to the invention, the cold accumulation type fan blade component and the central cold accumulation chamber are arranged, when the desk top device works actually, the cold accumulation type fan blade component and the central cold accumulation chamber utilize the time when the device stops working, so that the electric heating refrigeration piece can accumulate cold for a long time at low power under safe voltage, and the device can release cold at a high heat exchange rate when working, thereby solving the problem of insufficient heat exchange rate of thermoelectric refrigeration under the low-power environment of the small desktop device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic bottom structure of the present invention.
Fig. 3 is an exploded view of the structure of the present invention.
Fig. 4 is a structural sectional view of the supporting type triangular frame mechanism of the present invention.
Fig. 5 is an exploded view of the structure of the cooling type blowing assembly of the present invention.
Fig. 6 is a sectional view showing the structure of the cooling type blower module according to the present invention.
FIG. 7 is an enlarged view of the portion A of FIG. 6 according to the present invention.
FIG. 8 is an enlarged view of the portion B of FIG. 6 according to the present invention.
Fig. 9 is a schematic view of the operation mode of the present invention.
FIG. 10 is the time-varying diagram of the liquid phase ratio of the cold accumulation phase change medium in operation.
FIG. 11 is the temperature distribution diagram of the cold storage phase change medium at 1200s when the present invention is in operation.
The reference signs are: 1 supporting type triangular frame mechanism, 101 detachable triangular supporting wall plates, 102 triangular fixing preformed grooves, 103 middle through grooves, 104 limiting type transverse slots, 105 limiting type transverse inserting plates, 106 anti-skidding rubber bottom covers, 2 detachable type transverse connecting mechanisms, 21 first supporting type bolt connecting seats, 22 first semicircular magnet clamping covers, 23 second supporting type bolt connecting seats, 24 second semicircular magnet clamping covers, 25 spherical magnet clamping rotary blocks, 3 cooling type air supply assemblies, 31 fan assembly external protection frames, 32 central cold storage chambers, 33 cold storage type fan blade assemblies, 34 corresponding type annular clamping rings, 35 supporting type annular supporting sections, 36 hot end radiating fins, 37 electric heating refrigeration sheets, 38 protecting type partition ring layers, 39 charging interfaces and processors, 310 hook-shaped limiting clamping rings, 311 corresponding type positioning clamping grooves, 312 corresponding type positioning clamping grooves, 313 corresponding type limiting clamping rings, 313 corresponding type positioning clamping rings, and the like, 314 first outer sleeve type limit semicircular cover, 315 second outer sleeve type limit semicircular cover, 316 cantilever type connecting frame disc, 317 first connecting shaft section and 318 second connecting shaft section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the drawings of fig. 1-11, one embodiment of the present invention is provided:
a cold accumulation device for cooling and supplying air for a small electric fan placed on a table top comprises two supporting type triangular frame mechanisms 1, wherein the number of the supporting type triangular frame mechanisms 1 is two, one side of each supporting type triangular frame mechanism 1 is fixedly provided with a detachable transverse connecting mechanism 2, the number of the detachable transverse connecting mechanisms 2 is two, the two supporting type triangular frame mechanisms 1 are respectively and fixedly provided with a cooling type air supply assembly 3 through the corresponding detachable transverse connecting mechanisms 2, the cooling type air supply assembly 3 comprises a fan assembly external protective frame 31, a central cold accumulation chamber 32 is fixedly arranged at the central position of the fan assembly external protective frame 31, one side of the central cold accumulation chamber 32 is fixedly provided with a cold accumulation type fan blade assembly 33 through bolts, one side of the fan assembly external protective frame 31 is fixedly provided with a corresponding annular clamping ring 34, one side of the corresponding annular clamping ring 34 is fixedly provided with a supporting type annular supporting section 35 through bolts, the outer wall of the support-type annular support section 35 is fixedly provided with hot end radiating fins 36 through bolts, one side of each hot end radiating fin 36 is fixedly provided with an electric heating refrigeration sheet 37, a plurality of protective separating ring layers 38 are fixedly arranged between the support-type annular support section 35 and the hot end radiating fins 36, one side of the support-type annular support section 35 is fixedly provided with a charging interface and a processor 39, wherein the cold storage type fan blade assembly 33 and the central cold storage chamber 32 utilize the time of stopping the device to ensure that the electric heating refrigeration sheet 37 performs low-power long-time cold storage under safe voltage, the device releases cold at higher heat exchange rate during working, the problem of insufficient heat exchange rate of thermoelectric refrigeration under the low-power environment of the small-sized desktop device is solved, the cold end of the electric heating refrigeration sheet 37 extends into the cold storage type fan blade assembly 33 to perform refrigeration, and the hot end of the electric heating sheet is outwards connected with the hot end radiating fins 36, the leeward side electric heating refrigerating sheet 37 and the corresponding hot end radiating fins 36 are all assisted with blades to bear partial cooling air supply function when working, and the side electric heating refrigerating sheet 37 refrigerates when working so as to prolong the total cooling air supply time of the device.
A hook-shaped limiting clamping ring 310 is fixedly arranged on one side of the supporting type annular supporting section 35 through bolts, a plurality of corresponding positioning clamping blocks 311 are fixedly arranged on the top of the hook-shaped limiting clamping ring 310 through bolts, the plurality of corresponding positioning clamping blocks 311 are sequentially arranged in an annular equal distance manner, a plurality of first outer sleeve type limiting half-round covers 314 are clamped on the outer wall of the external protective frame 31 of the fan assembly, a plurality of corresponding positioning clamping grooves 312 are arranged on the outer wall of the first outer sleeve type limiting half-round cover 314, the plurality of corresponding positioning clamping grooves 312 are sequentially arranged in an annular equal distance manner, the corresponding positioning clamping blocks 311 are clamped in the inner cavities of the corresponding positioning clamping grooves 312, corresponding limiting clamping rings 313 are fixedly arranged on both sides of the bottom of the external protective frame 31 of the fan assembly, the corresponding limiting clamping rings 313 are clamped in the inner cavities of the corresponding hook-shaped limiting clamping rings 310, a second outer sleeve type limiting half-round cover 315 is fixedly arranged on one side of the first outer sleeve type limiting half-round cover 314 through bolts, one side of the external protective frame 31 of the fan assembly and the inside of the supporting type annular supporting section 35 are both provided with a plurality of cantilever type connecting frame discs 316 through bolt fixing, one side of the cold storage type fan blade assembly 33 is provided with a first connecting shaft section 317 through bolt fixing, one side of the cantilever type connecting frame disc 316 at the central position of the supporting type annular supporting section 35 is provided with a second connecting shaft section 318 through bolt fixing, the first connecting shaft section 317 and the adjacent second connecting shaft section 318 are arranged in a one-to-one correspondence manner, the charging interface and the processor 39 use a low-voltage USB charging interface to ensure the safety of the table top of the household small electrical appliance, the hot end radiating fins 36 are connected with the hot end of the electric heating cooling fin 37 through heat conducting gel, and the cold storage chamber 32 and the cold storage type fan blade assembly 33 in the central part are filled with a heat conducting framework to strengthen the cold transfer between the cold storage chamber 32 and the blades.
The supporting type triangular frame mechanism 1 comprises a detachable triangular supporting wall plate 101, a triangular fixing reserved groove 102 is arranged in the detachable triangular supporting wall plate 101, a plurality of middle through grooves 103 are arranged in the detachable triangular supporting wall plate 101, a limiting type transverse slot 104 is arranged at the bottom of the detachable triangular supporting wall plate 101, a limiting type transverse inserting plate 105 is transversely inserted into an inner cavity of the limiting type transverse slot 104, an anti-skidding rubber bottom cover 106 is fixedly installed at the bottom of the limiting type transverse inserting plate 105 through bolts, the limiting type transverse slot 104 and the adjacent limiting type transverse inserting plate 105 are arranged in a one-to-one correspondence mode, the detachable type transverse connecting mechanism 2 comprises a first supporting type bolt connecting seat 21, a first semicircular magnet clamping cover 22 is in threaded connection with one side of the first supporting type bolt connecting seat 21, and a second supporting type bolt connecting seat 23 is fixedly installed at one side of the first supporting type bolt connecting seat 21, and first support type bolt connecting seat 21 all is the one-to-one setting with adjacent second support type bolt connecting seat 23, and one side threaded connection of second support type bolt connecting seat 23 has second semicircle magnetite joint cover 24, all has spherical magnetite joint to revolve piece 25 through the magnetism joint between second semicircle magnetite joint cover 24 and the first semicircle magnetite joint cover 22.
The charging interface and processor 39 is connected with the power line and then transmits the electric energy to the electric heating refrigerating sheet 37, meanwhile, the Peltier effect is used for refrigerating, the cold accumulation type fan blade assembly 33 is composed of a plurality of rectangular blades and two annular blades, cold accumulation phase change media are packaged in the cold accumulation type fan blade assembly 33, the cold accumulation type fan blade assembly 33 has the main function of cooling and air supply during the operation of the device, the cold accumulation phase change media packaged in the central cold accumulation chamber 32 are connected with the cold accumulation type fan blade assembly 33 and continuously provide cold energy for the cold accumulation blades during the operation, the electric heating refrigerating sheet 37 comprises two sets, wherein the electric heating refrigerating sheet 37 positioned on the side surface of the device assists in refrigerating during the operation of the device, and the other set of electric heating refrigerating sheet 37 utilizes the small electric fan to supply air to enhance the heat dissipation of the hot end of the air flow.
Two operation modes of the invention
(A) Cold storage mode: when the user does not use the fan, the long idle time is utilized to slowly cool by the Peltier effect, the fan is started to accelerate the heat dissipation of the hot end, and the Peltier effect is strengthened.
(B) The working mode is as follows: the refrigeration module is started when the fan blows air, the Peltier effect is strengthened by air convection disturbance generated by the fan, the side face is cooled while refrigeration is carried out, and the effect of prolonging the service life is achieved.
The phase change material is preferably Na2SO4 & 10H2O, the phase change point Tm is 6.4 ℃, the latent heat of fusion H is 141J/g, the thermal conductivity is 0.547W/mK, and the foam graphite heat conducting framework with the porosity of about 0.9 (note that hydrated salt is corrosive, foam metal is not used) is modified (the specific increase value of the thermal conductivity needs to be tested, and the empirical value is 5.47W/mK).
Refrigeration input power gets 80W, and Peltier effect refrigeration efficiency gets 10%, and effective refrigeration power 4W, the refrigeration time is selected (each 4h in the morning and afternoon, totally 8h) on the basis of student user's time of attending class, considers the equipment user demand of user noon, gets 4 h's refrigeration time, totally 115.2kJ, cold-storage capacity: the example encapsulates approximately 801.7g, 113kJ latent heat with a phase change material.
Main geometric dimensions:
the outer ring annular blade has the outer diameter of 140mm and the thickness of 4mm, the inner ring annular blade has the outer diameter of 94mm and the thickness of 4mm, the rectangular blade has the length of 40mm and the width of 20mm and the thickness of 3mm, the number of the rectangular blades is 30, and the diameter of the central cold storage chamber is 30 mm.
The total heat absorption power of the cold accumulation type fan blade assembly 33 is 15.7W in the working mode, the heat absorption power of a single blade is 0.54W, the air speed of the table-board small fan is 1.25m/s, and when the ambient temperature is 30 ℃, the air supply at the outlet of the blade is cooled to about 28 ℃, and the working time is as follows: 152000/(15.7-4) 7200s (2 h in total).
The working principle is as follows: the device utilizes the low-power environment of a small electric appliance on the table top to refrigerate for a long time, utilizes the cold energy generated by the cold accumulation phase-change material collecting device during idling to quickly release the cold energy during the working of the device so as to cool the air supplied by the small electric fan on the table top to the comfortable temperature of the human body and maintain the cooling for a long time.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" are to be construed broadly, so as to be mechanically or electrically connected, and so as to be directly connected to each other inside two elements, and "upper," "lower," "left," "right," and the like are merely used to indicate relative positional relationships, and when the absolute position of an object to be described is changed, the relative positional relationships can be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures refer to common designs, so that the same embodiment and different embodiments of the invention are combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (8)

1. The utility model provides a place cold-storage device in little electric fan cooling air supply of mesa, includes support type triangle frame mechanism (1), its characterized in that: the number of the supporting type triangular frame mechanisms (1) is two, one side of each supporting type triangular frame mechanism (1) is fixedly provided with a detachable transverse connecting mechanism (2), the number of the detachable transverse connecting mechanisms (2) is two, and the two supporting type triangular frame mechanisms (1) are fixedly provided with cooling type air supply assemblies (3) through the corresponding detachable transverse connecting mechanisms (2);
the cooling type air supply assembly (3) comprises an external protection frame (31) of a fan assembly, a central cold storage chamber (32) is fixedly mounted at the central position of the external protection frame (31) of the fan assembly, a cold storage type fan blade assembly (33) is fixedly mounted on one side of the central cold storage chamber (32) through a bolt, a corresponding type annular clamping ring (34) is fixedly mounted on one side of the external protection frame (31) of the fan assembly, a supporting type annular supporting section (35) is fixedly mounted on one side of the corresponding type annular clamping ring (34) through a bolt, a hot end radiating fin (36) is fixedly mounted on the outer wall of the supporting type annular supporting section (35) through a bolt, an electric heating refrigerating sheet (37) is fixedly mounted on one side of the hot end radiating fin (36), and a plurality of protective type partition ring layers (38) are fixedly mounted between the supporting type annular supporting section (35) and the hot end radiating fin (36), a charging interface and a processor (39) are fixedly arranged on one side of the supporting type annular supporting section (35);
the cold accumulation type fan blade assembly (33) consists of a plurality of rectangular blades and two annular blades, a cold accumulation phase change medium is packaged in the cold accumulation type fan blade assembly (33) and simultaneously plays a role in mainly cooling and blowing air when the device works, the cold accumulation phase change medium packaged in the central cold accumulation chamber (32) is connected with the cold accumulation type fan blade assembly (33) and continuously provides cold for the cold accumulation blades when the device works;
the electric heating refrigerating pieces (37) comprise two sets, wherein the electric heating refrigerating pieces (37) positioned on the side surface of the device are used for assisting in refrigerating when the device works, and the other set of electric heating refrigerating pieces (37) are used for enhancing heat dissipation of a hot end by utilizing the disturbance of air flow caused by the air supply of a small electric fan;
the cold end of the electric heating refrigerating sheet (37) goes deep into the cold storage type fan blade assembly (33) to refrigerate, the hot end of the electric heating refrigerating sheet is outwards connected with the hot end radiating fin (36), the electric heating refrigerating sheet (37) on the leeward side and the corresponding hot end radiating fin (36) are all assisted to have partial cooling and air supply functions when the device works, and the electric heating refrigerating sheet (37) on the side surface refrigerates while working so as to prolong the total cooling and air supply time of the device;
the cold accumulation type fan blade assembly (33) and the central cold accumulation chamber (32) utilize the time when the device stops working, so that the electric heating refrigerating sheet (37) can accumulate cold for a long time under low power under safe voltage;
the cold energy is quickly released when the device works by utilizing the idle cold energy of the cold accumulation phase-change material collecting device.
2. The cold accumulation device for cooling and blowing air of a small electric fan placed on a table top as claimed in claim 1, wherein: support one side of type annular support section (35) and have the spacing joint ring of collude form (310) through bolt fixed mounting, the top of colluding the spacing joint ring of form (310) has a plurality of corresponding type positioning fixture block (311) through bolt fixed mounting, and is a plurality of corresponding type positioning fixture block (311) all are the annular equidistance and set gradually, the outer wall joint of the external protective frame of fan subassembly (31) has a plurality of first outer sleeve type spacing half-round cover (314), a plurality of corresponding type positioning card groove (312) have been seted up to the outer wall of first outer sleeve type spacing half-round cover (314), and are a plurality of corresponding type positioning card groove (312) all are the annular equidistance and set gradually, corresponding type positioning fixture block (311) joint is at corresponding type positioning card groove (312) inner chamber.
3. The cold accumulation device for cooling and blowing air of a small electric fan placed on a table top as claimed in claim 2, wherein: the utility model discloses a fan assembly, including fan assembly external protective frame (31), the equal fixed mounting in bottom both sides of fan assembly has the spacing snap ring of corresponding type (313), the spacing snap ring of corresponding type (313) joint colludes the spacing snap ring of form (310) inner chamber at corresponding, the spacing half round cover of second overcoat type (315) is passed through bolt fixed mounting in one side of the spacing half round cover of first overcoat type (314).
4. The cold accumulation device for cooling and blowing air of a small electric fan placed on a table top as claimed in claim 1, wherein: one side of the external protective frame (31) of fan subassembly and the inside of supporting type annular support section (35) all have a plurality of cantilever type connecting frame dish (316) through bolt fixed mounting, there is first connecting shaft section (317) one side of cold-storage type fan blade subassembly (33) through bolt fixed mounting, support type annular support section (35) central point and put cantilever type connecting frame dish (316) one side fixed mounting have second connecting shaft section (318), first connecting shaft section (317) all are the one-to-one setting with adjacent second connecting shaft section (318).
5. The cold accumulation device for cooling and blowing air of a small electric fan placed on a table top as claimed in claim 1, wherein: the supporting type triangular frame mechanism (1) comprises a detachable triangular supporting wall plate (101), a triangular fixing preformed groove (102) is formed in the detachable triangular supporting wall plate (101), and a plurality of middle through grooves (103) are formed in the detachable triangular supporting wall plate (101).
6. The cold accumulation device for cooling and blowing air of small electric fan set on table top as claimed in claim 5, wherein: spacing type horizontal slot (104) have been seted up to the bottom of dismantlement formula triangular supports wallboard (101), the inner chamber of spacing type horizontal slot (104) is transversely pegged graft and is had spacing type horizontal picture peg (105), there is antiskid type rubber end cover (106) bottom the bottom of spacing type horizontal picture peg (105) through bolt fixed mounting, spacing type horizontal slot (104) all is the one-to-one setting with adjacent spacing type horizontal picture peg (105).
7. The cold accumulation device for cooling and blowing air of a small electric fan placed on a table top as claimed in claim 1, wherein: horizontal coupling mechanism (2) of dismantlement formula include first support type bolted connection seat (21), one side threaded connection of first support type bolted connection seat (21) has first semicircle magnetite joint cover (22), one side fixed mounting of first support type bolted connection seat (21) has second support type bolted connection seat (23), and first support type bolted connection seat (21) all is the one-to-one setting with adjacent second support type bolted connection seat (23), one side threaded connection of second support type bolted connection seat (23) has second semicircle magnetite joint cover (24), it has ball magnetite joint to revolve piece (25) all to connect through the magnetism joint between second semicircle magnetite joint cover (24) and first semicircle magnetite joint cover (22).
8. The cold accumulation device for cooling and blowing air of a small electric fan placed on a table top as claimed in claim 1, wherein: the charging interface and the processor (39) are connected with a power line and then transmit electric energy to the electric heating refrigerating sheet (37), and meanwhile, the Peltier effect is utilized for refrigerating.
CN202110140474.6A 2021-02-02 2021-02-02 Cold storage device placed on table top small electric fan for cooling and air supply Active CN112781133B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07260186A (en) * 1994-03-23 1995-10-13 Aisin Seiki Co Ltd Cold air apparatus
CN104302157A (en) * 2014-10-09 2015-01-21 合肥天鹅制冷科技有限公司 Airborne electronic module cooling device with cold accumulation function and operating method
CN106931573A (en) * 2017-03-16 2017-07-07 北京工业大学 Modular portable semiconductor air conditioner
CN107514722A (en) * 2017-09-29 2017-12-26 广东机电职业技术学院 A kind of intelligent cold-storage domestic fan
KR20180086941A (en) * 2017-01-24 2018-08-01 엘지이노텍 주식회사 A portable cooling fan comprising thermoelectric elecment
KR20180087564A (en) * 2017-01-25 2018-08-02 엘지이노텍 주식회사 Air conditione

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07260186A (en) * 1994-03-23 1995-10-13 Aisin Seiki Co Ltd Cold air apparatus
CN104302157A (en) * 2014-10-09 2015-01-21 合肥天鹅制冷科技有限公司 Airborne electronic module cooling device with cold accumulation function and operating method
KR20180086941A (en) * 2017-01-24 2018-08-01 엘지이노텍 주식회사 A portable cooling fan comprising thermoelectric elecment
KR20180087564A (en) * 2017-01-25 2018-08-02 엘지이노텍 주식회사 Air conditione
CN106931573A (en) * 2017-03-16 2017-07-07 北京工业大学 Modular portable semiconductor air conditioner
CN107514722A (en) * 2017-09-29 2017-12-26 广东机电职业技术学院 A kind of intelligent cold-storage domestic fan

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