CN218217871U

CN218217871U - Ultraviolet disinfection and sterilization device

Info

Publication number: CN218217871U
Application number: CN202221656925.8U
Authority: CN
Inventors: 李锦庭; 胡晨
Original assignee: Xiamen G&p Electronics Co ltd
Current assignee: Xiamen G&p Electronics Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-03
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to a field of disinfecting especially relates to an ultraviolet disinfection and isolation device. The utility model discloses an ultraviolet virus killing and sterilizing device, including PCB board, UVC chip and safety cover, UVC chip eutectic welding is on the PCB board, and the safety cover setting is on the PCB board and the cover is established outside the UVC chip, and the safety cover is equipped with printing opacity panel, and the UVC light that the UVC chip sent is through the outgoing of printing opacity panel. The utility model discloses a UVC chip adopts the eutectic mode welding on the PCB board, has reduced the encapsulation of UVC chip, has practiced thrift the encapsulation cost, and has reduced the volume, and it is convenient to use.

Description

Ultraviolet disinfection and sterilization device

Technical Field

The utility model belongs to the field of disinfecting, specifically relate to an ultraviolet disinfection and isolation device.

Background

Along with the outbreak of various epidemic viruses, people pay more and more attention to sterilization products. The traditional chemical method is adopted for sterilization and disinfection, which causes pollution to water and is not environment-friendly enough. However, when UVC (short wave ultraviolet) is used for irradiating microorganisms such as bacteria and viruses, molecular structures of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in cells of microorganism organisms are damaged, DNA chain breakage, cross-linking breakage of nucleic acid and protein are caused, growth cell death and regenerative cell death are caused, the effects of sterilization and disinfection are achieved, water cannot be polluted, and the UVC is used for sterilization and disinfection more and more at present. However, in the existing UVC sterilization equipment, the UVC chip is arranged on the PCB board in an SMT mode, and needs to be packaged firstly, so that the packaging cost is increased, the size of the whole equipment is large, and the use is not convenient enough.

Disclosure of Invention

An object of the utility model is to provide an ultraviolet disinfection and isolation device is used for solving the technical problem that above-mentioned exists.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an ultraviolet virus killing and sterilizing device, includes PCB board, UVC chip and safety cover, and UVC chip eutectic welding is on the PCB board, and the safety cover setting is on the PCB board and the cover is established outside the UVC chip, and the safety cover is equipped with light-transmitting panel, and the UVC light that the UVC chip sent is through passing through light-transmitting panel outgoing.

Further, the PCB is realized by a white BT board.

Furthermore, a circuit electrically connected with the UVC chip is arranged on the PCB, and the width of the circuit is 0.15 +/-0.03 mm.

Further, the safety cover further comprises a frame body, the frame body is provided with a cavity which is communicated up and down, the frame body is fixedly arranged on the PCB, the UVC chip is located in the cavity, and the light-transmitting panel is arranged on the top opening of the cavity.

Further, the frame body is an anodized aluminum alloy frame body.

Further, the height of the cavity of the frame body is 1.6 +/-0.1 mm.

Further, the light-transmitting panel is made of JGS2 quartz glass.

Furthermore, the light-transmitting panel is embedded in the top opening of the cavity.

Furthermore, the inner wall of the top opening of the cavity is provided with a step, and the light-transmitting panel is abutted against the surface of the step.

Furthermore, the frame body is fixedly bonded with the PCB through high-temperature glue.

The utility model has the advantages of:

the utility model discloses a UVC chip adopts the eutectic mode welding on the PCB board, has reduced the encapsulation of UVC chip, has practiced thrift the encapsulation cost, and has reduced the volume, and it is convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a block diagram of another perspective of an embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an embodiment of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 3.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 5, an ultraviolet disinfection device comprises a PCB board 1, a UVC chip 2 and a protective cover 3, wherein the UVC chip 2 is eutectic-welded on the PCB board 1, the protective cover 3 is disposed on the PCB board 1 and covers the UVC chip 2, the protective cover 3 is provided with a light-transmitting panel 31, and UVC light emitted by the UVC chip 2 is emitted through the light-transmitting panel 31.

Preferably, in this embodiment, the PCB board 1 has a long-strip-shaped structure, and the UVC chips 2 are eutectic-welded on the PCB board 1 at intervals in sequence along the length direction of the PCB board 1, so that the structure is more compact, and the UVC chips are more convenient to use. The eutectic soldering process can be referred to the existing eutectic soldering process, which can be easily realized by those skilled in the art and is not described in detail.

Preferably, in this embodiment, the PCB board 1 is implemented by a white BT (BT resin) board, which has a good temperature resistance effect, the eutectic process is not deformed and discolored, and is easy to implement, and the cost is low, but is not limited thereto, and in some embodiments, it may also be implemented by other PCB base materials that can resist a temperature of above 340 ℃.

In the embodiment, the width of the circuit 11 electrically connected with the UVC chip 2 on the PCB 1 is preferably 0.15 ± 0.03mm, so that most of the circuit layer (copper layer in the embodiment) is etched away to expose the body of the PCB 1, and during the high temperature (240 ℃) process of eutectic welding, water vapor emitted from the inner adhesive layer of the board can be discharged instantly, thereby preventing the copper layer from bubbling due to being wrapped by the copper layer; and most of the copper layer is etched, so that the gold plating cost is reduced (the traditional method is to lay copper on an FR4 or aluminum substrate in a large area and then plate gold on the copper, so as to prevent the copper from being oxidized and improve the reflectivity), the white BT plate is exposed in a large area, the reflectivity is improved, and the antivirus effect is enhanced.

In this embodiment, the protective cover 3 further includes a frame 32, the frame 32 has a cavity 321 penetrating from top to bottom, the frame 32 is fixedly disposed on the PCB 1, the UVC chip 2 is located in the cavity 321, and the light-transmitting panel 31 is disposed on the top opening of the cavity 321. The protective cover 3 is simple in structure and easy to implement, but is not limited to this, and in some embodiments, other protective cover structures may be used.

Preferably, in this embodiment, the frame body 32 is an anodized aluminum alloy frame body, which not only has a long service life and a small weight, but also improves the appearance delicacy, but is not limited thereto, and in some embodiments, the frame body 32 may be made of other materials.

In the present embodiment, the frame 32 has a long bar structure, and correspondingly, the cavity 321 is a rectangular cavity, but is not limited thereto.

Preferably, in this embodiment, the height of the cavity 321 of the frame 32 is 1.6 ± 0.1mm, so that the light-emitting angle is better, and the irradiation area of UVC light is increased, thereby increasing the sterilization area.

Preferably, in this embodiment, the frame body 32 is fixed to the PCB 1 by an ultraviolet-resistant high-temperature adhesive, which has a simple and compact structure, good stability, and is easy to implement, and certainly, in some embodiments, the frame body 32 and the PCB 1 may also be fixedly connected by other existing fixing methods, such as clamping and the like.

Preferably, in this embodiment, the translucent panel 31 is made of JGS2 quartz glass, which increases the UVC light transmittance, and the sterilization effect is better under the same chip power, but not limited thereto, and in some embodiments, the translucent panel 31 may be made of other uv-transparent materials.

In this embodiment, the light-transmitting panel 31 is embedded in the top opening of the cavity 321, so that the overall structure is more compact and beautiful, but not limited thereto.

Further, in this embodiment, the inner wall of the top opening of the cavity 321 is provided with a step 322, and the light-transmitting panel 31 abuts against the step surface of the step 322, so that the structure is more stable and the assembly is easy.

In this embodiment, one end of the PCB 1 protrudes out of the protective cover, and the end is provided with a connecting electrode 12 electrically connected to the circuit 11, and the connecting electrode 12 is electrically connected to an external power source to supply power to the UVC chip 2.

When the ultraviolet disinfection device is used, the end part of the ultraviolet disinfection device is inserted into a power supply interface, the power supply interface outputs corresponding current to supply power for the UVC chip 2 through the connecting electrode 12 and the circuit 11, and UVC light emitted by the UVC chip 2 is emitted out through the light-transmitting panel 31 to disinfect.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An ultraviolet disinfection and sterilization device is characterized in that: including PCB board, UVC chip and safety cover, UVC chip eutectic welding is on the PCB board, and the safety cover setting is just covered outside the UVC chip on the PCB board, and the safety cover is equipped with light-transmitting panel, and the UVC light that the UVC chip sent is through passing through light-transmitting panel outgoing.

2. The uv disinfection apparatus of claim 1, wherein: the PCB is realized by adopting a white BT plate.

3. The uv disinfection apparatus of claim 2, wherein: and a circuit electrically connected with the UVC chip is arranged on the PCB, and the width of the circuit is 0.15 +/-0.03 mm.

4. The uv disinfection apparatus of claim 1, wherein: the protective cover further comprises a frame body, the frame body is provided with a cavity which is communicated up and down, the frame body is fixedly arranged on the PCB, the UVC chip is located in the cavity, and the light-transmitting panel is arranged on the top opening of the cavity.

5. The UV sterilizer according to claim 4, wherein: the frame body is an anodic oxidation aluminum alloy frame body.

6. The UV disinfection apparatus of claim 4, wherein: the cavity height of the frame body is 1.6 +/-0.1 mm.

7. The uv disinfection apparatus according to claim 5 or 6, wherein: the light-transmitting panel is made of JGS2 quartz glass.

8. The UV disinfection apparatus of claim 7, wherein: the light-transmitting panel is embedded in the top opening of the cavity.

9. The uv disinfection apparatus of claim 8, wherein: the inner wall of the top opening of the cavity is provided with a step, and the light-transmitting panel is abutted against the surface of the step.

10. The UV sterilizer according to claim 4, wherein: the frame body is fixedly bonded with the PCB through high-temperature glue.