CN111735147A - Disinfection subassembly based on ultraviolet UVC - Google Patents
Disinfection subassembly based on ultraviolet UVC Download PDFInfo
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- CN111735147A CN111735147A CN202010728194.2A CN202010728194A CN111735147A CN 111735147 A CN111735147 A CN 111735147A CN 202010728194 A CN202010728194 A CN 202010728194A CN 111735147 A CN111735147 A CN 111735147A
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 43
- 230000017525 heat dissipation Effects 0.000 claims abstract description 71
- 230000001954 sterilising effect Effects 0.000 claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 230000000249 desinfective effect Effects 0.000 claims 4
- 239000011888 foil Substances 0.000 claims 1
- 239000000411 inducer Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004887 air purification Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 6
- 241000700605 Viruses Species 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
- A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention provides an ultraviolet UVC-based disinfection and sterilization assembly which comprises a shell, a heat dissipation piece, a chip module and a driving power supply, wherein the shell is provided with a heat dissipation piece; the shell comprises a shell body and a partition board, wherein an accommodating cavity is formed in the shell body, the partition board divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity which are arranged in parallel, a radiating piece is arranged in the first accommodating cavity and comprises at least two groups of radiating single pieces provided with catalyst layers, an air channel for air flow circulation is formed between each radiating single piece and the side wall of the first accommodating cavity and between each two adjacent groups of radiating single pieces, a chip module is arranged on each radiating single piece and corresponds to each catalyst layer, and the chip module and the catalyst layers are combined to sterilize air flow passing through the air channel; the driving power supply is arranged in the second accommodating cavity and electrically connected with the chip module. The invention has reasonable structure distribution, adopts a physical catalytic sterilization mode, has the advantages of high efficiency and environmental protection, and ensures that the air flow is more fully sterilized by the optimized design of secondary return air.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a disinfection and sterilization assembly based on ultraviolet UVC, which is suitable for the space purification requirements of small space and large space.
Background
At present, an air conditioner and some air purification systems are popularized in life and work of people, the air conditioner and the air purification systems need to work in a closed environment, after long-term use, the refrigeration, heating and air purification effects of the air conditioner and the air purification systems are obviously reduced, and peculiar smell also exists in exhausted air, because fresh air is lacked in the environment of a closed air conditioner or air purification system, although the air conditioner and the air purification systems are provided with filters which can filter most of dust, microorganisms cannot be filtered, bacteria are caused to be lodged in the air conditioner or the air purification system, and the bacteria are dispersed to the environment where audiences are located along with air released by the air conditioner or the air purification system after growth and reproduction, and the health of the audiences is directly influenced.
Although healthy air conditioners, sterilization air conditioners and the like are already available on the market, the effect is far from the required standard.
Therefore, a device with high air cleanliness, strong disinfection and sterilization capability and convenient replacement is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a disinfection and sterilization assembly based on ultraviolet UVC (ultraviolet C) to solve the technical problems that the air cleanliness is not high, the disinfection and sterilization capability is weak and the replacement is not facilitated in the conventional air conditioner and air purification system, and the specific technical scheme is as follows:
a disinfection and sterilization assembly based on ultraviolet UVC comprises a shell, a heat dissipation piece, a chip module and a driving power supply;
the shell comprises a cover plate, a shell body and a partition plate, wherein an accommodating cavity is formed in the shell body, the partition plate divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity which are arranged in parallel, and an air inlet and an air outlet are formed in the side wall of the first accommodating cavity; the cover plate is arranged at the opening of the second accommodating cavity and can seal and open the opening of the second accommodating cavity;
the heat dissipation piece is arranged in the first accommodating cavity and comprises at least one group of heat dissipation single pieces provided with catalyst layers, air channels for air flow circulation are formed between the heat dissipation single pieces and the inner wall of the first accommodating cavity and between two adjacent groups of heat dissipation single pieces, the inlet ends of the air channels are communicated with the air inlet, and the outlet ends of the air channels are communicated with the air outlet;
the chip module is arranged on the heat dissipation single piece and corresponds to the catalyst layer, and the chip module and the catalyst layer are combined to disinfect and sterilize airflow passing through the air duct;
the driving power supply is arranged in the second accommodating cavity and electrically connected with the chip module.
Preferably, in the above scheme, the shell body is a hollow square body or a curved body.
Preferably, in the above scheme, the heat dissipation member includes 2 to 8 groups of heat dissipation single pieces arranged in parallel, and a catalyst layer is disposed on at least one side surface of each heat dissipation single piece forming the air duct.
Preferably, in the above scheme, the heat-dissipating single piece comprises a body and a heat-dissipating fin group arranged on the outer wall of the body, the body comprises a cavity for accommodating a phase-change working medium, and the bottom of the cavity is provided with a plurality of groove groups for enhancing heat transfer; the radiating fin group comprises at least two radiating fins which are arranged in parallel, and a gap for air flow circulation is arranged between every two adjacent radiating fins.
Preferably, in the above scheme, the groove group comprises a plurality of grooves arranged in parallel, the width of each groove is 0.2-1.5mm, and the distance between adjacent grooves is 0.5-2.0 mm; the radiating fins are zigzag or step-shaped, and the thickness of the radiating fins is 1-5 mm.
Preferably, in the above scheme, the chip module includes a light emitting chip, an adhesive isolation layer, and a metal sheet; the light-emitting chip is arranged on the metal sheet, and the metal sheet is arranged on the heat dissipation single piece through the bonding isolation layer; the light-emitting chip is an ultraviolet chip and/or a COB light source.
Preferably, the air guide assembly further comprises an air guide assembly located in the first accommodating cavity, and the air guide assembly comprises a wind shielding piece and an air inducing piece; the wind shielding piece comprises a first wind shielding single piece and a second wind shielding single piece, the first wind shielding single piece is arranged at the end part of the heat dissipation single piece and used for constructing an air channel, and the second wind shielding single piece is arranged at the air inlet and used for guiding airflow to enter the air channel; the air inducing piece is connected with an external power supply or a driving power supply and is used for introducing part of air flow at the air outlet of the air duct into inlet-shaped secondary return air of the air duct.
Preferably, in the above scheme, the air inducing piece is a fan; the wind shield is a wind shield, and the wind shield is triangular, trapezoidal or curved.
The technical scheme of the invention has the following beneficial effects:
(1) the ultraviolet UVC-based disinfection and sterilization assembly comprises a shell, a heat dissipation piece, a chip module and a driving power supply, is simple in structure, is favorable for being used as a module to be matched with other equipment, and is suitable for small-space environments such as families and large-space environments such as hospitals and offices; the shell comprises a cover plate, a shell body and a partition plate, wherein the shell body is a hollow square body and a hollow curved body, and the hollow design is convenient for installation of components and dispersion of heat generated during working; the shell body is internally provided with an accommodating cavity, the accommodating cavity is divided into a first accommodating cavity and a second accommodating cavity which are arranged in parallel by the partition board, and the side wall of the first accommodating cavity is provided with an air inlet and an air outlet; the cover plate is arranged at the opening of the second accommodating cavity and can seal and open the opening of the second accommodating cavity, air enters from the air inlet, is sterilized and disinfected for multiple times by combining ultraviolet light and a catalyst in the first accommodating cavity and then is discharged from the air outlet, viruses and bacteria in the air are irradiated and lose activity after being irradiated by the ultraviolet light emitted by the ultraviolet light chip encapsulated on the heat dissipation single piece in the air duct, the ultraviolet light can also generate a physical catalytic reaction with the catalyst layer to generate free radicals, and the free radicals can destroy the cell structures of the bacteria and the viruses in the air so as to purify the air; through thermal-insulated of baffle, to the inside heat of shell body reasonable evenly distributed, avoid the inside local heat of casing too high to cause the device to damage or the disinfection effect that disinfects to descend, postpone life.
(2) The heat dissipation piece is arranged in the first accommodating cavity and comprises 2-8 groups of heat dissipation single pieces which are arranged in parallel, a catalyst layer is arranged on at least one side surface of each heat dissipation single piece forming an air channel, air channels for air flow circulation are formed between the heat dissipation single pieces and the inner wall of the first accommodating cavity and between two adjacent groups of heat dissipation single pieces, and the length of each air channel can be increased according to actual working requirements, so that better disinfection and sterilization effects on air flow are achieved; preferably, five groups of heat dissipation single pieces are arranged in a staggered manner, the first ends of the first, third and fifth groups of heat dissipation single pieces are in contact with the inner wall of the first accommodating cavity, and the second ends of the first, third and fifth groups of heat dissipation single pieces and a wind shield (first wind shield single piece) are arranged in a gap manner to form a part of the air duct; the first ends of the second and the fourth groups of heat dissipation single pieces and the inner wall of the first accommodating cavity are arranged in a gap manner to form a part of the air duct, and the second ends of the second and the fourth groups of heat dissipation single pieces are contacted with the wind shield; by adopting the combined design of the five groups of heat dissipation single parts and the wind shield, the air channel forms a channel with a long path (such as a plurality of series Z-shaped structures), so that the air flow in the air channel is conveniently disinfected and sterilized repeatedly, and the purification effect is obvious; the driving power supply is arranged in the second accommodating cavity and is electrically connected with the chip module, the driving power supply and the chip module are separately arranged, and the problem that the power of the chip module is unstable due to the fact that the heat generated by the driving power supply affects the working environment of the chip module is avoided.
(3) The heat dissipation single piece comprises a body and a heat dissipation fin group arranged on the outer wall of the body, wherein the heat dissipation fin group comprises at least two heat dissipation fins which are arranged in parallel, gaps for airflow circulation are formed between the adjacent heat dissipation fins, the heat dissipation area is increased due to the design of the heat dissipation fins, air circulates from the gaps of the adjacent fins, and more heat can be taken away when the air passes through the gaps; the body comprises a cavity for containing a phase change working medium, one or more cavities can be arranged according to actual needs to achieve a better cooling effect, a plurality of groove groups for enhancing heat transfer are arranged at the bottom of the cavity, each groove group comprises a plurality of grooves arranged in parallel, the bottom of the cavity is provided with a groove, and the grooves at the bottom contact the phase change working medium to generate gas-liquid composite phase change for heat dissipation; the width of the groove is 0.2-1.5mm, and the distance between adjacent grooves is 0.5-2.0 mm; the shape of the radiating fin is zigzag or stepped, the thickness of the radiating fin is 1-5mm, and the reasonable design of the size of the groove enables the phase-change working medium in the cavity to generate bubbles after being heated, the bubbles rise to the top end of the cavity to be broken and then flow back to the bottom of the cavity, so that the purpose of gas-liquid composite phase-change cooling is achieved, and the radiating fin can be recycled. If the size of the groove is unreasonable, the phase change working medium is heated and then does not form bubbles, so that the gas-liquid composite phase change is invalid, and the heat transfer effect is influenced.
(4) The chip module comprises the light-emitting chip, the bonding isolation layer and the metal sheet, wherein the light-emitting chip is arranged on the metal sheet, and the metal sheet is arranged on the heat dissipation single piece through the bonding isolation layer, so that the packaging process of the light-emitting chip is simplified, the packaging flow is shortened, the cost is saved, the heat transfer resistance of the light-emitting chip is reduced, and the efficiency of the light-emitting chip is improved; the luminous chip is ultraviolet chip and/or COB light source, and the luminous chip kind can be according to actual demand selection encapsulation, cooperates the drive power supply and the catalyst layer of different powers to satisfy different disinfection's demand.
(5) The air guide assembly is used for guiding air sterilized and disinfected under the action of ultraviolet light and a catalyst in the air duct, and secondary flow guide is carried out through the air guide piece, so that the air sterilized and disinfected is subjected to secondary purification, and the air with higher quality is obtained; the air inducing piece can select a variable frequency fan, and the variable frequency fan realizes the control of the air flow rate in the air channel by changing the rotating speed; the wind shield is a wind shield, the wind shield is triangular, trapezoidal or curved, and the wind shield with the shape can effectively guide and block air flow, so that air entering from the air inlet can completely enter the air channel, and subsequent disinfection and sterilization are facilitated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of the exploded structure of the UV UVC based sterilization assembly of this embodiment;
FIG. 2 is a cross-sectional view of the position of the first receiving cavity in the assembled back shell body of FIG. 1;
FIG. 3 is a cross-sectional view of the heat sink piece of FIG. 1;
FIG. 4 is an enlarged view of a portion of the chip module and the heat sink single piece of FIG. 3;
wherein, 1, shell body, 1.1, the air intake, 1.2, the air outlet, 2, induced air spare, 3, keep off the wind the piece, 3.1, the first piece that keeps off the wind, 3.2, the second piece that keeps off the wind, 4, the radiating piece, 4.1, the heat dissipation piece, 4.2, radiating fin, 4.3, the cavity, 4.3.1, the recess, 5, the wind channel, 6, the chip module, 6.1, luminous chip, 6.2, the bonding isolation layer, 6.3, the sheetmetal, 7, the baffle, 8, drive power supply, 9, the apron.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
an ultraviolet UVC-based disinfection and sterilization assembly, shown in detail in figures 1-3, comprises a shell, a heat dissipation member 4, a chip module 6 and a driving power supply 8 (such as an LED driving power supply), and has the following specific structure:
the shell comprises a cover plate 9, a shell body 1 and a partition plate 7, wherein an accommodating cavity is arranged in the shell body 1, the partition plate 7 divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity (arranged from bottom to top in the figure 1) which are arranged in parallel, an air inlet 1.1 and an air outlet 1.2 are arranged on the side wall of the first accommodating cavity, the air inlet and the air outlet are respectively positioned at two ends of the first accommodating cavity, and preferably the air inlet and the air outlet are arranged in a staggered manner; the cover plate 9 is arranged at the opening of the second accommodating cavity (preferably hinged connection), and can seal and open the opening of the second accommodating cavity; the heat dissipation member 4 is disposed in the first accommodating cavity, and includes at least two groups of heat dissipation single pieces 4.1 provided with catalyst layers (such as nano titanium dioxide layers), five groups of heat dissipation single pieces are illustrated in fig. 1 and 2, and the five groups of heat dissipation single pieces are divided into two groups, the first group includes first, third and fifth groups of heat dissipation single pieces aligned, the second group includes second and fourth groups of heat dissipation single pieces aligned, and the first group and the second group are slightly staggered (i.e. the end portions are not opposite). In this embodiment, the housing body 1 is preferably a hollow square body or a curved body, and the hollow design facilitates the installation of components and the dispersion of heat. In order to simplify the disinfection and sterilization assembly, a group of heat dissipation single pieces can be further adopted, and an air duct is formed between each heat dissipation single piece and the inner wall of the containing cavity.
The air guide assembly is positioned in the first accommodating cavity and comprises an air baffle 3, the air baffle 3 comprises a first air baffle single piece 3.1 and a second air baffle single piece 3.2, and in detail, as shown in fig. 1, the first air baffle single piece is an air baffle plate, the second air baffle single piece is a wedge-shaped block, and the second air baffle single piece is arranged at an inlet of the air duct and is used for guiding all air entering from the air inlet into the air duct; the first wind shielding single piece and the heat dissipation single piece are vertically arranged and are positioned at the end part of the first large group, and the first wind shielding single piece and the heat dissipation single piece are specifically as follows: the first ends of the first, third and fifth groups of heat dissipation single pieces are arranged in a gap with the inner wall of the first accommodating cavity, the second ends of the first, third and fifth groups of heat dissipation single pieces are arranged in a contact manner with the first wind shielding single piece, the first ends of the second and fourth groups of heat dissipation single pieces are arranged in a contact manner with the inner wall of the first accommodating cavity, and the second ends of the second and fourth groups of heat dissipation single pieces are arranged in a gap manner with the first wind shielding single piece, so that a complete air duct 5 for air circulation is formed between the heat dissipation single pieces and the inner wall of the first accommodating cavity, between the heat dissipation single pieces and the first wind shielding single pieces and between the two adjacent groups of heat dissipation single pieces, and the. The inlet end of the air duct 5 is communicated with the air inlet 1.1, the outlet end of the air duct 5 is communicated with the air outlet 1.2, and air enters from the air inlet 1.1 and is discharged from the air outlet 1.2 after being sterilized once or for many times through the air duct 5.
In this embodiment, preferably, the heat dissipation single piece 4.1 includes a body and a heat dissipation fin group arranged on an outer wall of the body, the heat dissipation fin group includes at least two heat dissipation fins 4.2 arranged in parallel, a gap for air flow circulation is arranged between adjacent heat dissipation fins 4.2 (the gap opening direction is perpendicular to the air flow direction in the air duct 5), the design of the heat dissipation fins 4.2 increases the heat dissipation area, air can also circulate from the gap between adjacent fins, the circulation resistance of air is reduced, and the fins can take away more heat in the air; the body comprises a cavity 4.3 for containing phase change working media (such as ethanol or water), wherein one or more cavities 4.3 can be arranged according to actual needs, and if two parallel cavities are adopted, the two cavities respectively contain two different phase change working media.
Further preferably, a plurality of groove groups for enhancing heat transfer are arranged at the bottom of the cavity 4.3, each groove group comprises a plurality of grooves 4.3.1 which are arranged in parallel, the width of each groove 4.3.1 is 0.2-1.5mm, and the distance between every two adjacent grooves 4.3.1 is 0.5-2.0 mm; the radiating fins 4.2 are zigzag or step-shaped, and the thickness is 1-5 mm. The size and the arrangement of the grooves 4.3.1 are reasonable, so that the phase-change working medium in the cavity 4.3 is heated to generate bubbles, the bubbles rise to the top end of the cavity 4.3 and are broken and then flow back to the bottom of the cavity 4.3, the purpose of cooling by gas-liquid composite phase change is achieved, and the phase-change working medium can be recycled.
Preferably, the chip module 6 is disposed on the heat dissipation single piece 4.1 and is disposed corresponding to the catalyst layer, the chip module 6 and the catalyst layer are combined to sterilize the airflow passing through the air duct 5, the light emitting chip 6.1 of the chip module is preferably an ultraviolet chip, and the ultraviolet chip and the nano titanium dioxide catalyst layer are combined to sterilize the airflow passing through the air duct 5. Viruses and bacteria in the air passing through the air duct 5 lose activity after being irradiated by ultraviolet light, the ultraviolet light can also generate a physical catalytic reaction with the catalytic layer to generate free radicals, and the free radicals can destroy cell structures of the bacteria and the viruses in the air so as to purify the air. In addition, other light sources (such as COB light sources) and other combinations of catalyst layers can be used according to actual requirements. The chip module 6 comprises a light-emitting chip 6.1, an adhesive isolation layer 6.2 and a metal sheet 6.3 (such as copper foil); the light emitting chip 6.1 is arranged on a metal sheet 6.3, and the metal sheet 6.3 is arranged on a heat dissipation single piece through an adhesive isolation layer 6.2 (made of materials in the prior art), as detailed in fig. 4. The chip module is directly packaged on the radiator and is matched with the driving power supply 8 with different powers, so that different requirements on disinfection and sterilization are met.
This embodiment is preferred, drive power supply 8 sets up and holds the intracavity in the second and be connected with chip module 6 electricity, and drive power supply separately sets up with the chip module, has avoided the heat that drive power supply produced to influence the operational environment of chip module and cause the unstable problem of chip module power.
In this embodiment the air guide assembly further comprises an air inducing piece 2, the air inducing piece 2 is connected with an external power supply or a driving power supply 8 and used for introducing part of air flow at the outlet of the air duct 5 into inlet-shaped secondary return air of the air duct 5, and the air inducing piece 2 can control the flow rate of the air in the air duct 5 by adjusting the rotating speed. Preferably, the air inducing piece 2 is a fan (such as a variable frequency fan), the wind shield is triangular, trapezoidal or curved, the variable frequency fan can accelerate or decelerate the air circulation speed in the air duct 5 by adjusting the rotation speed, and the wind shield can effectively guide and block air by applying one or more shapes.
Preferably, the ultraviolet UVC-based disinfection and sterilization assembly of this embodiment further includes a power switch, an induced draft switch, and a controller; the power switch, the air inducing piece switch and the controller are all arranged on the shell body, and the power switch, the air inducing piece switch and the driving power supply 8 are all connected with the controller; the controller can be connected with the mobile phone or the remote controller in a wireless mode, so that the mobile phone or the remote controller can control the disinfection and sterilization assembly.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the technical scope of the present invention.
Claims (8)
1. A disinfection and sterilization assembly based on ultraviolet UVC is characterized by comprising a shell, a heat dissipation member (4), a chip module (6) and a driving power supply (8);
the shell comprises a cover plate (9), a shell body (1) and a partition plate (7), wherein a containing cavity is arranged in the shell body (1), the partition plate (7) divides the containing cavity into a first containing cavity and a second containing cavity which are arranged in parallel, and an air inlet (1.1) and an air outlet (1.2) are formed in the side wall of the first containing cavity; the cover plate (9) is arranged at the opening of the second accommodating cavity and can seal and open the opening of the second accommodating cavity;
the heat dissipation piece (4) is arranged in the first accommodating cavity and comprises at least two groups of heat dissipation single pieces (4.1) provided with catalyst layers, air channels (5) for air flow circulation are formed between the heat dissipation single pieces (4.1) and the inner wall of the first accommodating cavity and between two adjacent groups of heat dissipation single pieces (4.1), the inlet ends of the air channels (5) are communicated with the air inlet (1.1), and the outlet ends of the air channels (5) are communicated with the air outlet (1.2);
the chip module (6) is arranged on the heat dissipation single piece (4.1) and corresponds to the catalyst layer, and the chip module (6) and the catalyst layer are combined to disinfect and sterilize airflow passing through the air duct (5);
and the driving power supply (8) is arranged in the second accommodating cavity and is electrically connected with the chip module (6).
2. The uv UVC based disinfecting and sterilizing assembly according to claim 1, characterized in that said housing body (1) is a hollow square or curved body.
3. The uv UVC based disinfecting and sterilizing assembly of claim 1 wherein said heat dissipating element (4) comprises 2-8 groups of heat dissipating elements (4.1) arranged side by side, the heat dissipating elements (4.1) having a catalyst layer on at least one side of the heat dissipating elements (4.1) forming the air channel (5).
4. The ultraviolet UVC based disinfection and sterilization assembly according to claim 1, wherein said heat dissipating single piece (4.1) comprises a body and a heat dissipating fin set arranged on the outer wall of the body, said body comprises a cavity (4.3) for containing phase change working medium, the bottom of said cavity (4.3) is provided with a plurality of groove sets for enhancing heat transfer;
the radiating fin group comprises at least two radiating fins (4.2) which are arranged in parallel, and a gap for air flow circulation is arranged between every two adjacent radiating fins (4.2).
5. The ultraviolet UVC based disinfecting and sterilizing assembly of claim 4 wherein said groove set comprises a plurality of grooves (4.3.1) arranged side by side, the width of the grooves (4.3.1) being 0.2-1.5mm, the spacing between adjacent grooves (4.3.1) being 0.5-2.0 mm; the radiating fins (4.2) are zigzag or step-shaped, and the thickness of the radiating fins is 1-5 mm.
6. Uv UVC based disinfecting and sterilizing assembly according to claim 1, characterized in that said chip module (6) comprises a light emitting chip (6.1), an adhesive isolation layer (6.2) and a foil (6.3); the light-emitting chip (6.1) is arranged on the metal sheet (6.3), and the metal sheet (6.3) is arranged on the heat dissipation single piece (4.1) through the bonding isolation layer (6.2); the light-emitting chip (6.1) is an ultraviolet chip and/or a COB light source.
7. The ultraviolet UVC based disinfection and sterilization assembly of any one of claims 1-6 further comprising an air guide assembly located within said first containment chamber, said air guide assembly including a wind deflector (3) and a wind inducer (2); the wind shielding piece (3) comprises a first wind shielding single piece (3.1) and a second wind shielding single piece (3.2), the first wind shielding single piece (3.1) is arranged at the end part of the heat dissipation single piece (4.1) and used for constructing the air duct (5), and the second wind shielding single piece (3.2) is arranged at the air inlet and used for guiding airflow to enter the air duct (5); the air inducing piece (2) is connected with an external power supply or a driving power supply (8) and is used for introducing part of air flow at the air outlet position of the air duct (5) into inlet-shaped secondary return air of the air duct (5).
8. An ultraviolet UVC based disinfection and sterilization assembly as claimed in claim 7, wherein said air inducing member (2) is a fan; the wind shield (3) is a wind shield, and the wind shield is triangular, trapezoidal or curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113133279A (en) * | 2021-03-26 | 2021-07-16 | 联想(北京)有限公司 | Electronic device |
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