CN217162677U

CN217162677U - LED ultraviolet sterilization module

Info

Publication number: CN217162677U
Application number: CN202220696514.5U
Authority: CN
Inventors: 王峥; 周忠情
Original assignee: Shenzhen Youzi Technology Co ltd
Current assignee: Shenzhen Youzi Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-12
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a LED ultraviolet sterilization module, including radiating basal plate (1), radiator (5), fan (6), radiating basal plate (1) is gone up to gather at least one row ultraviolet LED chip (2), every ultraviolet LED chip (2) all include one lens (3), radiating basal plate (1) top is equipped with one secondary lens (4), secondary lens (4) cover whole ultraviolet LED chip (2), lens (3) are used for carrying out grading for the first time with the ultraviolet ray that each ultraviolet LED chip (2) sent once, make it reduce the light-emitting angle, secondary lens (4) are used for carrying out grading once more with the first time of whole ultraviolet LED chip (2), make it be the parallel light output, form the light curtain, be long and narrow rectangle distribution in the illumination zone, fan (6) are used for the heat that ultraviolet LED chip (2) during operation produced via radiating basal plate (1) in proper order, The radiator (5) is conducted to accelerate the outward emission.

Description

LED ultraviolet sterilization module

Technical Field

The utility model relates to a sterilization module especially relates to a LED ultraviolet sterilization module.

Background

With the development of society and the improvement of living standard of people, the requirements on safety and sanitation of the environment are gradually improved. Meanwhile, along with the increasingly prominent threats of various bacteria and viruses, the requirements of people on sterilization and disinfection of the people and daily necessities are higher and higher.

The existing sterilization modes are generally divided into two categories of physical sterilization and chemical sterilization. However, the existing sterilization methods have more or less disadvantages, for example, conventional physical sterilization and partial chemical sterilization products need to be matched with high-voltage power input and used at high voltage, so that certain safety risks exist; the sterilization effect of the low-pressure movable sterilization product is low, and most of bacteria needing high-energy inactivation cannot be effectively killed; other sterilization products are also limited by volume, weight, power supply facilities and the like, and are limited in sterilization use, so that no mainstream product with obvious advantages of sterilization and disinfection exists at present.

The existing UVC deep ultraviolet sterilization product adopting the LED as the light source is taken as a latest generation sterilization product with environmental protection, energy conservation and long service life, and still has obvious defects: the power of the LED ultraviolet sterilization device is small, the sterilization capacity is limited, the size of a heat dissipation matching device of a product with large power is large, the LED ultraviolet sterilization device is inconvenient and flexible to use, and the light scattering range of the existing LED ultraviolet sterilization product is large, so that the ultraviolet irradiation is not concentrated, and the sterilization capacity is not enough. The conventional UVC lamp bead is split type independent packaging, wastes materials and disperses chips, and ultraviolet light is dispersed to emit light, so that the concentrated sterilization effect of ultraviolet optics is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a radiant energy concentrate, relative small, the bactericidal effect is good, the distance of disinfecting is far away, be fit for the high power configuration, LED ultraviolet sterilization module that the safety effect is good.

The utility model adopts the technical proposal that: the utility model discloses a heat dissipation base plate, radiator, fan, the last at least one row of ultraviolet LED chip of densely covered of heat dissipation base plate, every the ultraviolet LED chip all includes a primary lens, heat dissipation base plate top is equipped with a secondary lens, secondary lens will be whole the ultraviolet LED chip covers, primary lens is used for with each the ultraviolet ray that the ultraviolet LED chip sent carries out first grading, makes it reduce the light-emitting angle, secondary lens is used for with whole the first grading of ultraviolet LED chip carries out the grading once more, makes it be the parallel light output, forms the light curtain, is long and narrow rectangle distribution in the irradiation zone, the fan be used for with the heat that the during operation of ultraviolet LED chip produced via in proper order the heat dissipation base plate the radiator conduction back is outwards gived off with higher speed.

Optionally, the heat dissipation fins of the heat sink are blade-shaped and distributed in parallel along the length direction.

Optionally, the fan is located above or to the side of the heat sink fins.

Optionally, the number of the fans is two, one is air inlet and the other is air outlet, the two fans are respectively located at two ends of the radiating fins of the radiator and are aligned with gaps between the radiating fins.

Optionally, a buckle is arranged on the back of the secondary lens, and the secondary lens is connected and fixed with the heat sink through the buckle.

Optionally, the LED ultraviolet sterilization module further includes a support, the support is connected to the heat sink, and the secondary lens is fixed to the support, so that the secondary lens and the ultraviolet LED chip are separated by a distance.

Optionally, the secondary lens is a single-row lens or a multi-row lens which is integrally formed, and the outer surface of the secondary lens is one or more arc-shaped columns.

Optionally, the light-emitting waveband of the ultraviolet LED chip is a UVC waveband.

Optionally, the secondary lens is made of plastic or glass.

Optionally, the heat dissipation substrate is an aluminum substrate.

The utility model has the advantages that: because the utility model discloses a heat dissipation base plate, radiator, fan, it includes a primary lens to gather at least one row of ultraviolet LED chip on the heat dissipation base plate, every ultraviolet LED chip all includes, heat dissipation base plate top is equipped with a secondary lens, the secondary lens will be whole the ultraviolet LED chip covers, primary lens is used for carrying out the first grading with each ultraviolet ray that ultraviolet LED chip sent, makes it reduce the light-emitting angle, secondary lens is used for carrying out the grading once more with the first grading of whole ultraviolet LED chip, makes it be parallel light output, forms the light curtain wall, is long and narrow rectangle distribution in the irradiation zone, the fan is used for passing through in proper order the heat dissipation base plate with the heat dissipation after the radiator conduction outwards gives off with higher speed; the utility model overcomes the defects and shortcomings of the prior art, adopts the ultraviolet LED chip as a product for replacing the traditional ultraviolet mercury lamp by the light-emitting element, saves energy and electricity, and can be normally used under the safe voltage lower than 36V by low-voltage electronic materials; support is provided for mobile sterilization equipment powered by a battery, so that a new generation of sterilization products is safer; by densely distributing at least one row of ultraviolet LED chips on the radiating substrate, wherein the ultraviolet LED chips are linearly arranged, and a primary light-gathering optical device is also integrally designed, the secondary lens is used as secondary optical equipment, the large-range light-emitting angle of the ultraviolet LED chips is changed to form a light curtain wall, so that the light curtain wall is gathered into a long and narrow rectangular light spot, and a fine and thin surface-linear ultraviolet light wall is gathered on one surface of the ultraviolet LED chip, the ultraviolet light of which passes through a region with a tiny angle is formed, so that the sterilizing radiation energy of all ultraviolet rays is gathered and used, the sterilizing capability and efficiency under the same configuration are improved strongly, a strong sterilizing effect is achieved on intractable bacteria, the linear-surface-wall distribution of the ultraviolet rays is realized, and long-distance and remote sterilization and space sterilization can be carried out; the integrated bonding high-efficiency heat dissipation system improves the total power of the ultraviolet LED chips, improves the total radiation energy value of ultraviolet rays, further strongly improves the sterilization effect and the sterilization distance, can use ultra-high-power ultraviolet LED lamp beads to package the ultraviolet LED chips in an integrated manner, is configured with smaller volume and weight than conventional ultraviolet sterilization products, provides the most stable and strongest sterilization effect module for free-moving sterilization products, and provides a more humanized use mode for strong sterilization products and a basic structure design innovation scheme; the event the utility model discloses radiant energy is concentrated, and is small relatively, and bactericidal effect is good, and the distance of disinfecting is far away, is fit for the high power configuration, and safe effect is good.

Drawings

Fig. 1 is a schematic view of an optical path structure of an LED uv sterilization module according to an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of an LED ultraviolet sterilization module according to a first embodiment of the present invention;

fig. 3 is a schematic view of an exploded structure of an LED ultraviolet sterilization module according to a first embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of the LED ultraviolet sterilization module according to the second embodiment of the present invention;

fig. 5 is an exploded schematic view of a LED ultraviolet sterilization module according to a second embodiment of the present invention.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1 to 3, the LED ultraviolet sterilization module of this embodiment is a low-voltage sterilization light source module, and includes a heat dissipation substrate 1, a heat sink 5, and a fan 6, wherein two rows of ultraviolet LED chips 2 are densely distributed on the heat dissipation substrate 1, each of the ultraviolet LED chips 2 includes a primary lens 3, a secondary lens 4 is disposed above the heat dissipation substrate 1, the secondary lens 4 covers all of the ultraviolet LED chips 2, the primary lens 3 is configured to perform a first light distribution on ultraviolet rays emitted by each of the ultraviolet LED chips 2, so as to reduce a light exit angle, and condense the ultraviolet LED chips 2 having a light emission angle of 180 degrees through a first optical lens to emit light at an angle of less than 30 degrees, the secondary lens 4 is configured to perform a second light distribution on all the first light distributions of the ultraviolet LED chips 2, so as to output parallel light, thereby forming a light curtain wall, the irradiation regions are distributed in a long and narrow rectangular shape, so that a long and narrow sterilization rectangular space is formed, the sterilization distance is long, the light-emitting angles of 30 ° and smaller angles are focused into a smaller light-emitting angle (for example, below 3 °), as shown in fig. 2, a long and narrow rectangular light spot 10 is formed in the figure, and the fan 6 is used for conducting heat generated by the ultraviolet LED chip 2 during operation through the heat-dissipating substrate 1 and the heat sink 5 in sequence and then accelerating the heat dissipation outward.

Specifically, in this embodiment, the heat dissipation fins of the heat sink 5 are blade-shaped and are distributed in parallel along the length direction, and the fan 6 is located above the heat dissipation fins of the heat sink 5; a buckle 7 is arranged on the back of the secondary lens 4, and the secondary lens 4 is connected and fixed with the heat sink 5 through the buckle 7; the secondary lens 4 is an integrally formed single-row lens, the outer surface of the secondary lens is an arc-shaped column, namely, the secondary light distribution is carried out on all the ultraviolet LED chips 2 through an integral secondary lens, and the emergent light is in a long and narrow shape, so that the structure is simple and the cost is low; the light-emitting waveband of the ultraviolet LED chip 2 is a UVC waveband, so that the ultraviolet LED chip is more concentrated, stronger in sterilizing capability and good in sterilizing and disinfecting effects; the secondary lens 4 is made of glass, and can be made of ultraviolet-resistant plastics; the heat dissipation substrate 1 is an aluminum substrate, and is light in weight and good in heat conduction and heat dissipation effects.

Example two:

as shown in fig. 1, 4 and 5, the present embodiment is different from the first embodiment in that: in this embodiment, the fans 6 are located on the side surfaces of the heat dissipation fins of the heat dissipation device 5, one of the fans 6 is used for air intake, and the other one is used for air outtake, and are respectively located at the two ends of the heat dissipation fins of the heat dissipation device 5 and aligned with gaps between the heat dissipation fins, so that the heat dissipation effect is more remarkable by forcibly ventilating with one fan entering and the other fan exiting, and by configuring a high-efficiency heat dissipation system, the blade-shaped heat dissipation device and the powerful fans at the two ends form a high-speed air circulation channel, so as to provide heat dissipation matching for the high-power UVC module; in addition, in this embodiment, the connection manner of the secondary lens 4 is also different, the back surface of the secondary lens 4 is not provided with the buckle 7, the LED ultraviolet sterilization module further includes a bracket 8, the bracket 8 is connected with the heat sink 5, and the secondary lens 4 is fixed on the bracket 8, so that the secondary lens 4 and the ultraviolet LED chip 2 are separated by a distance; in addition, in this embodiment, the two rows of ultraviolet LED chips 2 have a certain interval, the secondary lens 4 is an integrally formed double-row lens, and the outer surface of the double-row lens is two arc-shaped columns, that is, the two rows of ultraviolet LED chips 2 are respectively subjected to second light distribution by an integral secondary lens, so that the light distribution effect of the ultraviolet LED chips 2 corresponding to different rows with a large interval is good.

The remaining features of this embodiment are the same as those of the first embodiment.

The above embodiments are only for illustration and are not intended to limit the scope of the present invention, and other embodiments obtained by those skilled in the art without any inventive work based on the embodiments in the detailed description belong to the scope of the present invention. For example, the number of the ultraviolet LED chips 2 on the heat dissipation substrate 1 may be at least one row, or may be other numbers, and the secondary lens 4 may also be a multi-row lens integrally formed.

The utility model overcomes the defects and shortcomings of the prior art, adopts the ultraviolet LED chip as a product for replacing the traditional ultraviolet mercury lamp by the light-emitting element, saves energy and electricity, and can be normally used under the safe voltage lower than 36V by low-voltage electronic materials; support is provided for mobile sterilization equipment powered by a battery, so that a new generation of sterilization products is safer; by densely distributing at least one row of ultraviolet LED chips 2 on the heat dissipation substrate 1, wherein the ultraviolet LED chips are linearly arranged, and a primary light-gathering optical device is also integrally designed, the secondary lens 4 is used as secondary optical equipment, so that a large-range light-emitting angle of the ultraviolet LED chips 2 is changed, a light curtain wall is formed, the light curtain wall is gathered into a long and narrow rectangular light spot, and a fine and thin surface-linear ultraviolet wall is gathered on one surface of the ultraviolet LED chips 2, the ultraviolet light passing area of which forms a tiny angle, so that the sterilizing radiation energy of all ultraviolet rays is gathered and used, the sterilizing capability and efficiency under the same configuration are improved strongly, a strong sterilizing effect is achieved on intractable bacteria, the linear-surface-wall distribution of the ultraviolet rays is realized, and long-distance surface sterilization and space sterilization can be carried out; the centralized bonding high-efficiency heat dissipation system improves the total power of the ultraviolet LED chips, improves the total radiation energy value of ultraviolet rays, further strongly improves the sterilization effect and the sterilization distance, can use ultra-high-power ultraviolet LED lamp beads to intensively package the ultraviolet LED chips 2, is configured with smaller volume and weight than conventional ultraviolet sterilization products, provides the most stable and strongest sterilization effect module for free-moving sterilization products, and provides a more humanized use mode for strong sterilization products and a basic structure design innovation scheme; therefore the utility model discloses radiant energy is concentrated, and is small relatively, and bactericidal effect is good, and the distance of disinfecting is far away, is fit for the high power configuration, and safe effect is good.

The utility model can be widely applied to the disinfection field.

Claims

1. The utility model provides a LED ultraviolet sterilization module which characterized in that: including radiating basal plate (1), radiator (5), fan (6), densely covered at least one row ultraviolet LED chip (2) on radiating basal plate (1), every ultraviolet LED chip (2) all include one primary lens (3), radiating basal plate (1) top is equipped with one secondary lens (4), secondary lens (4) will be whole ultraviolet LED chip (2) cover, primary lens (3) are used for carrying out the first grading of each ultraviolet LED chip (2) send, make it reduce the light-emitting angle, secondary lens (4) are used for with whole the first grading of ultraviolet LED chip (2) carries out the grading again, makes it be parallel light output, forms the light curtain wall, is long and narrow rectangle distribution in the illumination zone, fan (6) are used for with the heat that ultraviolet LED chip (2) during operation produced passes through in proper order radiating basal plate (1), The radiator (5) is conducted to accelerate the outward emission.

2. The LED uv germicidal module as claimed in claim 1, wherein: the radiating fins of the radiator (5) are blade-shaped and are distributed in parallel along the length direction.

3. The LED uv germicidal module according to claim 2, wherein: the fan (6) is positioned above or on the side of the radiating fins of the radiator (5).

4. The LED uv germicidal module according to claim 2, wherein: the two fans (6) are used for air inlet and air outlet and are respectively positioned at two ends of the radiating fins of the radiator (5) and are aligned with gaps among the radiating fins.

5. The LED uv germicidal module as claimed in claim 1, wherein: the back of the secondary lens (4) is provided with a buckle (7), and the secondary lens (4) is connected and fixed with the radiator (5) through the buckle (7).

6. The LED uv germicidal module as claimed in claim 1, wherein: the LED ultraviolet sterilization module further comprises a support (8), the support (8) is connected with the radiator (5), and the secondary lens (4) is fixed on the support (8) so that the secondary lens (4) and the ultraviolet LED chip (2) are separated by a distance.

7. The LED uv germicidal module as claimed in claim 1, wherein: the secondary lens (4) is a single-row lens or a multi-row lens which is integrally formed, and the outer surface of the secondary lens is provided with one or more arc-shaped columns.

8. The LED uv germicidal module as claimed in claim 1, wherein: the secondary lens (4) is made of plastic or glass.

9. The LED uv germicidal module as claimed in claim 1, wherein: the heat dissipation substrate (1) is an aluminum substrate.