CN213630053U

CN213630053U - High-reliability LED module based on UVC sterilization

Info

Publication number: CN213630053U
Application number: CN202022438429.2U
Authority: CN
Inventors: 刘芳; 朱斌斌; 张雪亮
Original assignee: Huachuang Qingyun Shenzhen Technology Co ltd
Current assignee: Huachuang Qingyun Shenzhen Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-06
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a high reliability LED module based on UVC disinfects, a high reliability LED module based on UVC disinfects includes: a PCB substrate and a radiator; the PCB substrate is connected with the radiator through heat-conducting silicone grease; the PCB substrate is provided with a switch control module and a plurality of chip packaging substrates, and the switch control module is electrically connected with the plurality of chip packaging substrates respectively; a lamp bead bonding layer is arranged between the PCB substrate and the chip packaging substrate; the chip packaging substrate is provided with a UVC-LED chip, and the UVC-LED chip is electrically connected with the chip packaging substrate through a chip bonding layer; and the UVC-LED chip is provided with a light-emitting lens which is fixedly connected on the chip packaging substrate. The utility model discloses have good heat dispersion and luminous efficiency, can improve validity and the reliability that UVC disinfected.

Description

High-reliability LED module based on UVC sterilization

Technical Field

The utility model relates to an ultraviolet ray disinfection technical field especially relates to a high reliability LED module based on UVC disinfects.

Background

Currently, the UV mercury lamps on the market are widely used for ultraviolet sterilization and disinfection, such as disinfection of landscape fish tanks, ultraviolet shoe sterilizers, household ultraviolet germicidal lamps and the like, wherein the household ultraviolet germicidal lamps with remote controllers for partition wall operation are sold very well, and are also widely developed in the aspect of air purification or water sterilization, without doubt, and the UV discharge lamps play an important role in the current domestic market. However, since power-saving bulbs such as UV discharge lamps and general lighting bulbs contain mercury. However, if the mercury lamp is broken, the mercury leakage will harm human body, and there is a great safety hazard.

Sterilization using UV-LED focused lamps is also increasingly used due to safety and efficiency advantages. However, the existing UV-LED focusing lamp module has certain defects in terms of heat dissipation performance and sterilization efficiency, which seriously affects the reliability of UV-LED focusing lamp sterilization. Therefore, the invention of a high-reliability LED module based on UVC sterilization is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, a high reliability LED module based on UVC disinfects is provided.

The utility model discloses a high-reliability LED module based on UVC sterilization, which comprises a PCB substrate and a radiator; the PCB substrate is connected with the radiator through heat-conducting silicone grease; the PCB substrate is provided with a switch control module and a plurality of chip packaging substrates, and the switch control module is electrically connected with the plurality of chip packaging substrates respectively; a lamp bead bonding layer is arranged between the PCB substrate and the chip packaging substrate; the chip packaging substrate is provided with a UV-LED chip, and the UV-LED chip is electrically connected with the chip packaging substrate through a chip bonding layer; and the UV-LED chip is provided with a light-emitting lens which is fixedly connected on the chip packaging substrate.

Preferably, the PCB substrate is a copper PCB substrate or an aluminum PCB substrate.

Preferably, the lamp bead bonding layer and the chip bonding layer are both low-temperature tin paste layers.

Preferably, a plurality of the chip packaging substrates are arranged at intervals, and the interval distance is 15 mm.

Preferably, the switch control module includes a first switch control unit, a second switch control unit, a third switch control unit, a fourth switch control unit and a fifth switch control unit; the first switch control unit, the second switch control unit, the third switch control unit, the fourth switch control unit and the fifth switch control unit are respectively used for controlling the LED module to be in five different working modes.

Preferably, the light-emitting lens is made of quartz glass.

Preferably, the UV-LED chips disposed on the chip package substrate include UVC-LED chips and UVA-LED chips.

The utility model discloses a high reliability LED module based on UVC disinfects has following beneficial effect, the utility model discloses a high reliability LED module based on UVC disinfects includes: a PCB substrate and a radiator; the PCB substrate is connected with the radiator through heat-conducting silicone grease; the PCB substrate is provided with a switch control module and a plurality of chip packaging substrates, and the switch control module is electrically connected with the plurality of chip packaging substrates respectively; a lamp bead bonding layer is arranged between the PCB substrate and the chip packaging substrate; the chip packaging substrate is provided with a UV-LED chip, and the UV-LED chip is electrically connected with the chip packaging substrate through a chip bonding layer; and the UV-LED chip is provided with a light-emitting lens which is fixedly connected on the chip packaging substrate. The utility model discloses in, the ultraviolet lamp pearl that a plurality of UV-LED chip corresponds can be controlled to the on-off control module and different mode of operation are in, realize different efficiencies of disinfecting. Therefore, the utility model discloses have good heat dispersion and luminous efficiency, can improve validity and the reliability that UVC disinfected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:

fig. 1 is a side view of a high reliability LED module based on UVC sterilization according to a preferred embodiment of the present invention;

fig. 2 is a top view of a high reliability LED module based on UVC sterilization according to a preferred embodiment of the present invention;

fig. 3 is a circuit diagram of a switch control module of a high-reliability LED module based on UVC sterilization according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

Fig. 1 and 2 show a preferred embodiment of the present invention, which includes a PCB substrate 1 and a heat sink 2; the PCB substrate 1 is connected with the radiator 2 through heat-conducting silicone grease 3; the PCB substrate 1 is provided with a switch control module 13 and a plurality of chip packaging substrates 11, and the switch control module 13 is electrically connected with the plurality of chip packaging substrates 11 respectively; a lamp bead bonding layer 12 is arranged between the PCB substrate and the chip packaging substrate; the chip packaging substrate 11 is provided with a UV-LED chip 111, and the UV-LED chip 111 is electrically connected with the chip packaging substrate 11 through a chip bonding layer 112; and the UV-LED chip 111 is provided with a light-emitting lens 13, and the light-emitting lens 13 is fixedly connected to the chip packaging substrate. The utility model discloses in, switch control module 13 can control the ultraviolet lamp pearl that a plurality of UV-LED chip corresponds and be in different mode, realizes different efficiency of disinfecting. Therefore, the utility model discloses have good heat dispersion and luminous efficiency, can improve validity and the reliability that UVC disinfected.

Preferably, the PCB substrate 1 is a copper PCB substrate or an aluminum PCB substrate. It can be understood that the copper or aluminum PCB substrate has high heat conduction performance and can effectively dissipate heat generated by the ultraviolet lamp beads during operation.

Preferably, the bead bonding layer 12 and the chip bonding layer 112 are both low-temperature solder paste layers. It can be understood, lamp pearl tie coat 12 reaches chip tie coat 112 has all been established to further promoted in low temperature tin cream layer a high reliability LED module's heat dispersion based on UVC disinfects, therefore the utility model discloses the reliability is high.

Preferably, a plurality of the chip package substrates 11 are arranged at intervals, and the interval distance is 15 mm. It can be understood that when the spacing distance of the plurality of ultraviolet lamp beads is set to 15mm, a high sterilization efficiency can be generated on a receiving surface having a radiation distance of 1.0cm directly below the lamp beads.

Preferably, the switch control module 13 includes a first switch control unit, a second switch control unit, a third switch control unit, a fourth switch control unit, and a fifth switch control unit; the first switch control unit, the second switch control unit, the third switch control unit, the fourth switch control unit and the fifth switch control unit are respectively used for controlling the LED module to be in five different working modes.

Specifically, referring to fig. 3, the switch control module 13 includes a first switch K1, a second switch K2, a third switch K3, a fourth switch K4 and a fifth switch K5; the first switch K1, the second switch K2, the third switch K3 and the fourth switch K5 are electrically connected to a slide rheostat, respectively. The second switch K2 is used for controlling a 280nm UVC-LED lamp bead to work independently; the third switch K3 is used for controlling two 280nm UVC-LED lamp beads to work; the first switch K1 is used for controlling two 260nm UVC-LED lamp beads to work; when the second switch K2 and the third switch K3 are closed, the fourth switch K4 is used for controlling two 280nm UVC-LED lamp beads and one 360nm UVA-LED lamp bead to work; when the second switch and the third switch are switched off, the fifth switch K5 is used for controlling the operation of the 280nm UVC-LED lamp beads, the 260nm UVC-LED lamp beads and the 390nm UVA-LED lamp beads. It can be understood that when two 280nm UVC-LED lamp beads or two 260nm UVC-LED lamp beads work, the sterilization efficiency can be extremely high; when the UVC-LED lamp beads and the UVA-LED lamp beads work in a combined mode, the sterilization requirements of users in different application occasions can be met.

Preferably, the light-exiting lens 13 is made of quartz glass. It can be understood that the quartz glass material can furthest enlarge the light-emitting rate of the ultraviolet lamp bead and effectively slow down the yellowing phenomenon of the ultraviolet lamp bead.

Preferably, the UV-LED chips disposed on the chip package substrate include UVC-LED chips and UVA-LED chips. Therefore, the utility model discloses a high reliability LED module based on UVC disinfects can be in different ground mode, satisfies different user demands, promotes user experience.

Preferably, in this embodiment, the top of the PCB substrate may be further provided with a housing, and the housing may be configured in a rectangular shape, a polygonal shape or a cylindrical half-arc shape. The housing protects the LED sterilization module, and the shape of the housing is not particularly limited.

To sum up, the utility model provides a high reliability LED module based on UVC sterilization, which comprises a PCB substrate 1 and a radiator 2; the PCB substrate 1 is connected with the radiator 2 through heat-conducting silicone grease 3; the PCB substrate 1 is provided with a switch control module 13 and a plurality of chip packaging substrates 11, and the switch control module 13 is electrically connected with the plurality of chip packaging substrates 11 respectively; a lamp bead bonding layer 12 is arranged between the PCB substrate and the chip packaging substrate; the chip packaging substrate 11 is provided with a UV-LED chip 111, and the UV-LED chip 111 is electrically connected with the chip packaging substrate 11 through a chip bonding layer 112; and the UV-LED chip 111 is provided with a light-emitting lens 13, and the light-emitting lens 13 is fixedly connected to the chip packaging substrate. The utility model discloses in, the ultraviolet lamp pearl that a plurality of UV-LED chip corresponds can be controlled to the on-off control module and different mode of operation are in, realize different efficiencies of disinfecting. Therefore, the utility model discloses have good heat dispersion and luminous efficiency, can improve validity and the reliability that UVC disinfected.

The UVC sterilization-based high-reliability LED module provided by the present invention is introduced in detail above, and the principle and the implementation of the present invention are explained by applying specific examples herein, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, to the general technical personnel in this field, according to the utility model discloses an idea, all can have the change part on concrete implementation and application scope, to sum up, this description content only is the utility model discloses an embodiment, does not consequently restrict the utility model discloses a patent scope, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawing did, or directly or indirectly use in other relevant technical fields, all the same reason is included in the utility model discloses a patent protection scope. And should not be construed as limiting the invention.

Claims

1. The utility model provides a high reliability LED module based on UVC disinfects which characterized in that includes: a PCB substrate and a radiator; the PCB substrate is connected with the radiator through heat-conducting silicone grease; the PCB substrate is provided with a switch control module and a plurality of chip packaging substrates, and the switch control module is electrically connected with the plurality of chip packaging substrates respectively; a lamp bead bonding layer is arranged between the PCB substrate and the chip packaging substrate; the chip packaging substrate is provided with a UV-LED chip, and the UV-LED chip is electrically connected with the chip packaging substrate through a chip bonding layer; and the UV-LED chip is provided with a light-emitting lens which is fixedly connected on the chip packaging substrate.

2. The high-reliability LED module based on UVC sterilization as claimed in claim 1, wherein said PCB substrate is a copper PCB substrate or an aluminum PCB substrate.

3. The UVC sterilization-based high-reliability LED module according to claim 1, wherein both said bead bonding layer and said chip bonding layer are provided as low-temperature solder paste layers.

4. The high-reliability LED module based on UVC sterilization as claimed in claim 1, wherein, a plurality of said chip packaging substrates are spaced apart by a distance of 15 mm.

5. The UVC sterilization-based high-reliability LED module according to claim 1, wherein said switch control module includes a first switch control unit, a second switch control unit, a third switch control unit, a fourth switch control unit and a fifth switch control unit; the first switch control unit, the second switch control unit, the third switch control unit, the fourth switch control unit and the fifth switch control unit are respectively used for controlling the LED module to be in five different working modes.

6. The high-reliability LED module based on UVC sterilization as claimed in claim 1, wherein said light-emitting lens is made of quartz glass.

7. The high-reliability LED module based on UVC sterilization as claimed in claim 1, wherein the UV-LED chips arranged on said chip packaging substrate include UVC-LED chips and UVA-LED chips.