CN114727437B - A deep ultraviolet LED germicidal bulb - Google Patents

A deep ultraviolet LED germicidal bulb

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Publication number
CN114727437B
CN114727437B CN202210393804.7A CN202210393804A CN114727437B CN 114727437 B CN114727437 B CN 114727437B CN 202210393804 A CN202210393804 A CN 202210393804A CN 114727437 B CN114727437 B CN 114727437B
Authority
CN
China
Prior art keywords
deep ultraviolet
lamp
ultraviolet led
conductive
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210393804.7A
Other languages
Chinese (zh)
Other versions
CN114727437A (en
Inventor
闫志超
黄小辉
刘建青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhixin Semiconductor Hangzhou Co Ltd
Original Assignee
Zhixin Semiconductor Hangzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Zhixin Semiconductor Hangzhou Co Ltd filed Critical Zhixin Semiconductor Hangzhou Co Ltd
Priority to CN202210393804.7A priority Critical patent/CN114727437B/en
Publication of CN114727437A publication Critical patent/CN114727437A/en
Application granted granted Critical
Publication of CN114727437B publication Critical patent/CN114727437B/en
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/02Details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08Radiation
    • A61L2/10Ultraviolet radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18Radiation
    • A61L9/20Ultraviolet radiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Led Device Packages (AREA)

Abstract

本发明公开了一种深紫外LED杀菌灯泡,涉及半导体灯具技术领域,包括灯壳、导电支架、芯柱和灯头,导电支架设置于灯壳内腔中,导电支架包括上壳体,上壳体顶面设有多个出光杯,各出光杯内均设有深紫外发光二极管芯片,各深紫外发光二极管芯片通过导电线路相连,灯壳上设有与灯壳内腔连通的灯壳管,芯柱密封连接在灯壳管内,灯头连接在灯壳管上,灯头内设有电源板,灯头顶部设有与灯头绝缘的连接点,导电线路两端通过芯柱上的导线分别连接电源板的正负极,灯头和连接点分别连接电源板的两个输入线。本发明使深紫外能量照射更远距离,提高了辐射深紫外能量的利用率。

The present invention discloses a deep ultraviolet LED germicidal bulb, which relates to the field of semiconductor lamp technology. The bulb comprises a lamp housing, a conductive bracket, a stem, and a lamp holder. The conductive bracket is disposed in the inner cavity of the lamp housing. The conductive bracket comprises an upper shell, a top surface of which is provided with a plurality of light-emitting cups, each of which is provided with a deep ultraviolet light-emitting diode chip. The deep ultraviolet light-emitting diode chips are connected by a conductive circuit. The lamp housing is provided with a lamp housing tube connected to the inner cavity of the lamp housing. The stem is sealed and connected to the lamp housing tube. The lamp holder is connected to the lamp housing tube. A power board is provided in the lamp holder. A connection point insulated from the lamp holder is provided at the top of the lamp holder. The two ends of the conductive circuit are respectively connected to the positive and negative poles of the power board through wires on the stem. The lamp holder and the connection point are respectively connected to two input lines of the power board. The present invention enables deep ultraviolet energy to irradiate a longer distance, thereby improving the utilization rate of radiated deep ultraviolet energy.

Description

Deep ultraviolet LED sterilizing bulb
Technical Field
The invention relates to the technical field of semiconductor lamps, in particular to a deep ultraviolet LED sterilizing bulb.
Background
The deep ultraviolet light emitting diode (UVC LED) has the advantages of high reliability, long service life, quick response, low power consumption, environmental protection, no pollution and the like, is widely applied to the fields of water sterilization, air sterilization, surface sterilization, and the like, and is required to ensure sterilization and disinfection effects, the energy transmission direction of ultraviolet light is changed due to the scattering effect of deep ultraviolet photons in the atmosphere, the transmission of ultraviolet light is limited within a certain distance due to attenuation caused by the absorption of the action of the deep ultraviolet photons in transmission, the WPE efficiency of the current deep ultraviolet LED chip is only less than about 5%, the side light of the TM is a main light emitting surface, and the transmission distance of the energy of the deep ultraviolet light and the range requirement of irradiation of the transmission distance are also limited.
Disclosure of Invention
The invention aims to provide a deep ultraviolet LED sterilizing bulb, which solves the problems in the prior art, enables deep ultraviolet energy to be irradiated for a longer distance and improves the utilization rate of the irradiated deep ultraviolet energy.
In order to achieve the above object, the present invention provides the following solutions:
The invention provides a deep ultraviolet LED sterilizing bulb which comprises a lamp shell, a conductive support, a stem and a lamp cap, wherein the conductive support is arranged in an inner cavity of the lamp shell, the conductive support comprises an upper shell, a plurality of light emitting cups are arranged on the top surface of the upper shell, deep ultraviolet LED chips are arranged in the light emitting cups and are connected through conductive lines, a lamp shell tube communicated with the inner cavity of the lamp shell is arranged on the lamp shell, the stem is connected in the lamp shell tube in a sealing mode, the lamp cap is connected to the lamp shell tube, a power panel is arranged in the lamp cap, a connecting point insulated from the lamp cap is arranged at the top of the lamp cap, two ends of the conductive lines are respectively connected with the positive electrode and the negative electrode of the power panel through wires on the stem, and the lamp cap and the connecting point are respectively connected with two input wires of the power panel.
Preferably, the bottom surface of the upper shell is provided with a T-shaped groove, the bottom of the T-shaped groove is provided with a square groove, the conductive circuit is installed in the square groove, the T-shaped groove is internally provided with a lower shell matched with the T-shaped groove, each light emitting cup bottom surface is provided with two connecting holes communicated with the square groove, each light emitting cup is internally provided with two bonding pads, the two bonding pads are respectively connected with two electrodes of the deep ultraviolet light emitting diode chip, each bonding pad bottom surface is provided with a bonding pad column, and the two bonding pad columns on the bottom surface of the light emitting cup penetrate through the two connecting holes respectively and are connected with the conductive circuit.
Preferably, a metal terminal is sleeved at two ends of the conductive support, a riveting hole is formed in the metal terminal, fixing holes corresponding to the riveting holes are formed in two ends of the upper shell, the conductive circuit and the lower shell, and the conductive support and the metal terminal are riveted through rivets penetrating through the riveting holes and the fixing holes corresponding to the riveting holes.
The conductive support is preferably a spiral conductive support, the spiral radius of the conductive support is gradually increased from the top to the bottom, the lead comprises two nickel wires and electrode guide wires connected with the two nickel wires respectively, the two nickel wires are connected with the two metal terminals in a welding mode, and the two electrode guide wires are connected with the anode and the cathode of the power supply board respectively.
Preferably, the stem is provided with an exhaust pipe communicated with the inside of the lamp housing tube, the exhaust pipe is used for exhausting air in the lamp housing and the lamp housing tube and injecting inert gas, and the exhaust pipe is sealed after the inert gas is injected.
Preferably, a lock catch is arranged at the top of the lamp cap, the outer ring of the lock catch is made of an insulating material, the inner ring of the lock catch is made of a metal material, the lock catch is connected with the lamp cap through the insulating material of the outer ring of the lock catch, and the connecting point is located on the inner ring of the lock catch.
Preferably, a sealing plate is arranged at the bottom end of the core column, and the port of the lamp housing tube is sealed and bonded with the sealing plate through flame sintering.
Preferably, the upper shell and the lower shell are made of high-temperature-resistant ultraviolet-resistant high-reflection resin materials, and are integrally compacted and formed by adopting suspension resin through die pressing of a die press.
Preferably, the two electrode guide wires respectively pass through an insulating tube and then are respectively welded with the positive electrode and the negative electrode of the power panel.
Preferably, the conductive circuit comprises a plurality of copper sheets matched with the square groove, the copper sheets are formed by a die punch, one ends of two adjacent copper sheets, which are close to each other, are respectively provided with a bonding pad column fixing hole, and the two bonding pad column fixing holes respectively correspond to the two bonding pad columns and are connected with the bonding pad columns and the copper sheets by metal solder welding.
Compared with the prior art, the invention has the following technical effects:
the invention provides a deep ultraviolet LED sterilizing bulb, which is characterized in that a deep ultraviolet LED chip is arranged in a light-gathering type light-emitting cup, and side rays of the deep ultraviolet LED chip are gathered through the light-gathering type light-emitting cup, so that the far distance of deep ultraviolet energy radiated by the sterilizing bulb is irradiated, and the utilization rate of the sterilizing bulb on the deep ultraviolet energy radiated by the deep ultraviolet LED chip is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a deep ultraviolet LED germicidal bulb provided by the present invention;
Fig. 2 is an explosion schematic diagram of the deep ultraviolet LED germicidal bulb provided by the invention;
FIG. 3 is a schematic perspective view of a conductive bracket according to the present invention;
FIG. 4 is an exploded view of the conductive bracket of the present invention;
FIG. 5 is a bottom view of the conductive bracket of the present invention;
FIG. 6 is a top view of a connection structure of a conductive bracket and a deep ultraviolet LED chip according to the present invention;
FIG. 7 is a schematic perspective view of the upper housing of the present invention;
FIG. 8 is a schematic diagram of a conductive trace of the present invention;
FIG. 9 is a schematic perspective view of the lower housing of the present invention;
FIG. 10 is an enlarged schematic view of a portion A of FIG. 8;
FIG. 11 is a schematic perspective view of a bonding pad in a light-emitting cup according to the present invention;
FIG. 12 is a cross-sectional view of the upper housing in the position of the light extraction cup of the present invention;
FIG. 13 is a cross-sectional view of a connection structure between a conductive bracket and a deep ultraviolet LED chip according to the present invention;
fig. 14 is a cross-sectional view showing a connection structure of a conductive bracket and a metal terminal in the present invention;
FIG. 15 is a schematic view showing a connection structure between a conductive bracket and a stem in the present invention;
Fig. 16 is a schematic view of a connection structure between a conductive bracket and a metal terminal in the present invention;
FIG. 17 is a schematic illustration of a bubble seal in accordance with the present invention;
FIG. 18 is a schematic diagram of a power panel installation in accordance with the present invention;
In the figure, a 100-deep ultraviolet LED sterilizing bulb, a 1-lamp shell, a 2-conductive support, a 3-stem, a 4-lamp cap, a 5-upper shell, a 6-light-emitting cup, a 7-deep ultraviolet LED chip, an 8-conductive circuit, a 9-lamp shell tube, a 10-power panel, a 11-connection point, a 12-wire, a 13-T-shaped groove, a 14-square groove, a 15-lower shell, a 16-connection hole, a 17-bonding pad, a 18-bonding pad column, a 19-metal terminal, a 20-riveting hole, a 21-fixing hole, a 22-rivet, a 23-nickel wire, a 24-electrode guide wire, a 25-exhaust pipe, a 26-lock catch, a 27-sealing plate, a 28-insulating tube, a 29-copper sheet, a 30-bonding pad column fixing hole and a 31-input wire are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a deep ultraviolet LED sterilizing bulb, which solves the problems in the prior art, irradiates deep ultraviolet energy for a longer distance and improves the utilization rate of the irradiated deep ultraviolet energy.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-18, this embodiment provides a deep ultraviolet LED sterilization bulb 100, including a lamp housing 1, a conductive support 2, a stem 3 and a lamp cap 4, the conductive support 2 is disposed in an inner cavity of the lamp housing 1, the conductive support 2 includes an upper housing 5, a plurality of light-emitting cups 6 are disposed on a top surface of the upper housing 5, deep ultraviolet LED chips 7 are disposed in each light-emitting cup 6, each deep ultraviolet LED chip 7 is connected through a conductive circuit 8, a lamp housing tube 9 communicated with the inner cavity of the lamp housing 1 is disposed on the lamp housing 1, the stem 3 is hermetically connected in the lamp housing tube 9, the lamp cap 4 is connected on the lamp housing tube 9, a power panel 10 is disposed in the lamp cap 4, a connection point 11 insulated from the lamp cap 4 is disposed at a top of the lamp cap 4, two ends of the conductive circuit 8 are respectively connected with an anode and a cathode of the power panel 10 through wires 12 on the stem 3, and the lamp cap 4 and the connection point 11 are respectively connected with two input wires 31 of the power panel 10.
When the lamp is used, the lamp cap 4 and the connection point 11 are powered, the power panel 10 is powered, the power panel 10 converts AC alternating current into constant current to be output, the deep ultraviolet light emitting diode chips 7 are conducted through the core column 3 and the conductive circuit 8, ultraviolet light energy emitted by the deep ultraviolet light emitting diode chips 7 is condensed through the light emitting cup 6, and the deep ultraviolet energy radiated by the sterilizing bulb irradiates for a longer distance, so that the utilization rate of the sterilizing bulb to the deep ultraviolet energy radiated by the deep ultraviolet light emitting diode chips is improved. The lamp body 1 is a transparent quartz lamp body, the lamp cap 4 is welded with the quartz lamp body, glue is applied to the opening of the lamp cap 4, the lamp body 1 is in butt joint with the lamp cap 4 through pressing, and the lamp cap 4 is fixedly and firmly fixed with the lamp body 1 through temperature control.
In this embodiment, the bottom surface of the upper housing 5 is provided with a T-shaped slot 13, the bottom of the T-shaped slot 13 is provided with a square slot 14, the conductive circuit 8 is installed in the square slot 14, the T-shaped slot 13 is internally provided with a lower housing 15 matched with the T-shaped slot 13, the bottom surface of each light-emitting cup 6 is provided with two connecting holes 16 communicated with the square slot 14, each light-emitting cup 6 is internally provided with two bonding pads 17, the two bonding pads 17 are respectively connected with two electrodes of the deep ultraviolet light-emitting diode chip 7, the bottom surface of each bonding pad 17 is provided with a bonding pad column 18, and the bonding pad columns 18 on the bottom surfaces of the two bonding pads 17 in one light-emitting cup 6 respectively penetrate through the two connecting holes 16 and are connected with the conductive circuit 8. The T-shaped groove 13 can be used for clamping and fixing the lower shell 15 at the bottom of the upper shell 5 and pressing the conductive circuit 8 in the square groove 14, so that the installation is convenient. The two connecting holes 16 are symmetrically arranged on the inner bottom surface of the light-emitting cup 6, and the bonding pad posts 18 pass through the connecting holes 16 to be welded with the conductive circuit 8, so that the deep ultraviolet light-emitting diode chip 7 is connected in a conducting way through the conductive circuit 8. The bonding pads 17 are made of copper metal, are formed into a semicircular structure through die casting, a layer of nickel-palladium-gold material is electroplated on the bonding pads 17, and two bonding pads 17 form a bonding pad structure which is independent of interconnection in one light emergent cup 6.
In this embodiment, a metal terminal 19 is sleeved at two ends of the conductive support 2, a riveting hole 20 is provided on the metal terminal 19, fixing holes 21 corresponding to the riveting hole 20 are provided at two ends of the upper housing 5, the conductive circuit 8 and the lower housing 15, the conductive support 2 and the metal terminal 19 are riveted through the rivet 22 passing through the riveting hole 20 and the fixing holes 21 corresponding to the riveting hole, the structure is simple, the installation is convenient, and the conductive circuit 8 is conveniently powered up through the metal terminals 19 at two ends, so that the deep ultraviolet light emitting diode chip 7 emits light.
In this embodiment, the conductive support 2 is a spiral conductive support, and the spiral radius of the conductive support 2 gradually increases from top to bottom, the conductive wire 12 includes two nickel wires 23 and electrode wires 24 respectively connected to the two nickel wires 23, the two nickel wires 23 are respectively welded to the two metal terminals 19, and the two electrode wires 24 are respectively connected to the positive and negative electrodes of the power panel 10. The nickel wires 23 and the metal terminals 19 are welded and fixed by spot welding, and the deep ultraviolet light emitting diode chips 7 in each spiral coil are not shielded by the conductive support 2 above the deep ultraviolet light emitting diode chips, so that the emitted ultraviolet light can be fully utilized.
In this embodiment, the stem 3 is provided with an exhaust pipe 25 communicated with the inside of the lamp housing tube 9, the exhaust pipe 25 is used for extracting air in the lamp housing 1 and the lamp housing tube 9 and injecting inert gas, and after the inert gas is injected, the exhaust pipe 25 is sealed. The air in the lamp housing 1 and the lamp housing tube 9 is evacuated through the exhaust tube 25 by the negative pressure and inflation device, then inert gas is filled into the interior through the exhaust tube 25, and the exhaust tube 25 is welded by flame sintering for sealing.
In this embodiment, the top of the lamp cap 4 is provided with a lock catch 26, the outer ring of the lock catch 26 is made of an insulating material, the inner ring is made of a metal material, the lock catch 26 is connected with the lamp cap 4 through the insulating material of the outer ring, and the connection point 11 is located on the inner ring of the lock catch 26. One input wire 31 of the power panel 10 is welded to the base 4, and the other input wire 31 is welded to a latch hole in the inner ring of the latch 26.
In this embodiment, the bottom end of the stem 3 is provided with a sealing plate 27, and the port of the lamp housing tube 9 and the sealing plate 27 are sealed and bonded by flame sintering. Wherein, the conductive bracket 2 provided with the deep ultraviolet light emitting diode chip 7 enters the lamp housing 1 through the lamp housing tube 9, the sealing plate 27 is contacted with the lamp housing tube 9, the lamp housing tube 9 is made of quartz material, and the lamp housing tube 9 and the sealing plate 27 are bonded into an integral structure through flame sintering.
In this embodiment, the upper shell 5 and the lower shell 15 are made of high temperature resistant ultraviolet resistant high reflection resin materials, and are integrally compacted and formed by adopting suspension resin through molding by a molding press, so that the upper shell 5 and the lower shell 15 are ensured to have longer service lives.
In this embodiment, the two electrode wires 24 pass through one insulating tube 28 and then are welded to the positive and negative electrodes of the power panel 10, respectively, and the welding is performed by a metal tin wire.
In this embodiment, the conductive circuit 8 includes a plurality of copper sheets 29 matched with the square groove 14, the copper sheets 29 are formed by a die punch, one end of each of two adjacent copper sheets 29, which is close to each other, is provided with a pad post fixing hole 30, and the two pad post fixing holes 30 respectively correspond to the two pad posts 18, and connect the pad posts 18 and the copper sheets 29 by welding with metal solder. Wherein, a nickel-gold material layer is electroplated on the copper sheet 29.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided herein to facilitate understanding of the principles and embodiments of the present invention and to provide further advantages and practical applications for those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (9)

1. The deep ultraviolet LED sterilizing bulb is characterized by comprising a lamp shell, a conductive support, a stem and a lamp cap, wherein the conductive support is arranged in an inner cavity of the lamp shell, the conductive support comprises an upper shell, a plurality of light-emitting cups are arranged on the top surface of the upper shell, deep ultraviolet LED chips are arranged in the light-emitting cups and are connected through conductive lines, a lamp shell tube communicated with the inner cavity of the lamp shell is arranged on the lamp shell, the stem is hermetically connected in the lamp shell tube, the lamp cap is connected to the lamp shell tube, a power panel is arranged in the lamp cap, a connecting point insulated from the lamp cap is arranged at the top of the lamp cap, two ends of the conductive lines are respectively connected with the positive electrode and the negative electrode of the power panel through wires on the stem, and the lamp cap and the connecting point are respectively connected with two input wires of the power panel;
The bottom surface of the upper shell is provided with a T-shaped groove, the bottom of the T-shaped groove is provided with a square groove, a conductive circuit is installed in the square groove, a lower shell matched with the T-shaped groove is installed in the T-shaped groove, two connecting holes communicated with the square groove are formed in the bottom surface of each light emitting cup, two bonding pads are respectively arranged in each light emitting cup and are respectively connected with two electrodes of the deep ultraviolet light emitting diode chip, one bonding pad column is arranged on the bottom surface of each bonding pad, and two bonding pad columns on the bottom surface of each light emitting cup respectively penetrate through the two connecting holes and are connected with the conductive circuit.
2. The deep ultraviolet LED sterilizing bulb according to claim 1, wherein two ends of the conductive support are respectively sleeved with a metal terminal, riveting holes are formed in the metal terminals, fixing holes corresponding to the riveting holes are formed in two ends of the upper shell, the conductive circuit and the lower shell, and the conductive support and the metal terminals are riveted through rivets penetrating through the riveting holes and the fixing holes corresponding to the riveting holes.
3. The deep ultraviolet LED sterilizing bulb according to claim 2, wherein the conductive support is a spiral conductive support, the spiral radius of the conductive support gradually increases from top to bottom, the wire comprises two nickel wires and electrode guide wires respectively connected with the two nickel wires, the two nickel wires are respectively connected with the two metal terminals in a welding mode, and the two electrode guide wires are respectively connected with the positive electrode and the negative electrode of the power panel.
4. The deep ultraviolet LED germicidal bulb as set forth in claim 1, wherein the stem is provided with an exhaust pipe communicated with the inside of the lamp housing tube, the exhaust pipe is used for exhausting air in the lamp housing and the lamp housing tube and injecting inert gas, and the exhaust pipe is sealed after the inert gas is injected.
5. The deep ultraviolet LED sterilizing bulb according to claim 1, wherein a lock catch is arranged at the top of the lamp cap, the outer ring of the lock catch is made of an insulating material, the inner ring of the lock catch is made of a metal material, the lock catch is connected with the lamp cap through the insulating material of the outer ring of the lock catch, and the connecting point is located on the inner ring of the lock catch.
6. The deep ultraviolet LED germicidal bulb as set forth in claim 1, wherein a sealing plate is arranged at the bottom end of the stem, and the port of the lamp housing tube is sealed and bonded with the sealing plate by flame sintering.
7. The deep ultraviolet LED germicidal bulb as set forth in claim 1, wherein the upper shell and the lower shell are made of high temperature resistant ultraviolet resistant high reflection resin material and are integrally compacted by molding with a molding press by using suspension resin.
8. The deep ultraviolet LED germicidal bulb as set forth in claim 3, wherein the two electrode wires are welded with the positive and negative electrodes of the power panel respectively after passing through an insulating tube.
9. The deep ultraviolet LED germicidal bulb as set forth in claim 1, wherein the conductive circuit comprises a plurality of copper sheets matched with the square grooves, the copper sheets are formed by a die punch, one end of each of two adjacent copper sheets, which is close to each other, is provided with a bonding pad column fixing hole, and the two bonding pad column fixing holes are respectively corresponding to the two bonding pad columns and are connected with the bonding pad columns and the copper sheets by metal solder welding.
CN202210393804.7A 2022-04-15 2022-04-15 A deep ultraviolet LED germicidal bulb Active CN114727437B (en)

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CN215451457U (en) * 2021-12-06 2022-01-07 至芯半导体(杭州)有限公司 Deep ultraviolet light emitting diode packaging structure

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Publication number Priority date Publication date Assignee Title
US10788166B2 (en) * 2017-05-05 2020-09-29 Gmy Lighting Technology Co., Ltd. Type of LED lamp structure and its preparation process
CN211450402U (en) * 2020-03-19 2020-09-08 横店集团得邦照明股份有限公司 Induction ultraviolet sterilization illumination LED bulb lamp
CN212214236U (en) * 2020-03-30 2020-12-25 苏州尚博光电科技有限公司 Deep ultraviolet LED bactericidal bulb
CN114122238B (en) * 2022-01-21 2022-05-10 至芯半导体(杭州)有限公司 Light-gathering type ultraviolet emitting device packaging structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107620875A (en) * 2017-10-30 2018-01-23 厦门海莱照明有限公司 A kind of LED filament lamp
CN215451457U (en) * 2021-12-06 2022-01-07 至芯半导体(杭州)有限公司 Deep ultraviolet light emitting diode packaging structure

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