CN219102726U

CN219102726U - Ultraviolet lamp

Info

Publication number: CN219102726U
Application number: CN202122309426.3U
Authority: CN
Inventors: 李立胜; 洪燕南; 乐云; 刘柳
Original assignee: Gmy Lighting Technology Co ltd
Current assignee: Gmy Lighting Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-09-23
Publication date: 2023-05-30
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the technical field of lamps and discloses an ultraviolet lamp, which comprises a light-transmitting lampshade and a light source plate, wherein a clamping part is arranged at the end part of the light-transmitting lampshade, a conductive part is clamped and sealed in the clamping part, the light source plate is arranged in a closed cavity formed in the light-transmitting lampshade, gas with high heat conductivity coefficient is filled in the closed cavity, an ultraviolet LED chip is arranged on the light source plate, and an electric connection port on the light source plate is connected with an electrode lead through the conductive part. The sealing part effectively ensures the tightness of the interior of the ultraviolet lamp, effectively protects the ultraviolet LED chip from external substances, and ensures stable light emission and high light emitting efficiency; meanwhile, the high-heat-conductivity gas is filled into the closed cavity in the light-transmitting lampshade, so that the ultraviolet LED chip is protected, the service life of the ultraviolet LED chip is prolonged, the ultraviolet lamp is effectively and uniformly cooled, the whole structure is simple, automatic production is conveniently realized, and the production efficiency is improved.

Description

Ultraviolet lamp

Technical Field

The utility model relates to the technical field of lamps, in particular to an ultraviolet lamp.

Background

Ultraviolet lamps are devices capable of emitting ultraviolet rays, which can be used for sterilization and disinfection, and are widely used in various industries.

Ultraviolet lamps in the market are mainly low-pressure mercury lamps and LED ultraviolet lamps, wherein the low-pressure mercury lamps are excited by utilizing lower mercury vapor pressure to emit ultraviolet light, and toxic element mercury is contained in the ultraviolet lamps, so that the ultraviolet lamps are not environment-friendly and have potential risks of mercury leakage;

the lamp of the existing LED ultraviolet lamp is directly exposed to radiate, and when water is met, the service life of the lamp and the sterilization and disinfection effects are affected by water vapor; meanwhile, as the lamp is not sealed, substances such as water, dust, particulate matters and the like entering from the outside can cause unstable light emission of the LED ultraviolet lamp, and the sterilization and disinfection effects are affected; meanwhile, in the using process of the LED ultraviolet lamp, the temperature can be gradually increased, the service life of the ultraviolet lamp can be influenced by high temperature, and the existing LED ultraviolet lamp can not effectively and uniformly dissipate heat and cool, so that the service life of the LED ultraviolet lamp is greatly shortened.

Disclosure of Invention

The utility model aims to solve the problem of providing the ultraviolet lamp with good sealing effect and good heat dissipation effect.

In order to solve the technical problems, the utility model provides an ultraviolet lamp, which comprises a light-transmitting lampshade and a light source plate, wherein the end part of the light-transmitting lampshade is provided with a clamping part, a conductive part is clamped and sealed in the clamping part, the light source plate is arranged in a closed cavity formed in the light-transmitting lampshade, the closed cavity is filled with gas with high heat conductivity coefficient, an ultraviolet LED chip is arranged on the light source plate, and an electric connection port on the light source plate is connected with an electrode lead through the conductive part.

As a preferable scheme of the utility model, a supporting wire is connected between the electric connection port and the electric conduction part, and a welding transition material is arranged between the supporting wire and the electric connection port, wherein the welding transition material comprises one or more of nickel, silver, copper and gold.

As a preferred embodiment of the present utility model, the supporting wire includes a straight section and a curved section.

As a preferable scheme of the utility model, the power-on port is arranged in the middle of the light source plate, or the power-on port is arranged at the end of the light source plate and is positioned at a different side of the ultraviolet lamp from the corresponding conductive component on the clamping part.

As a preferable scheme of the utility model, a supporting piece is connected between the light source plate and the light-transmitting lampshade; the supporting piece is a spring, a shrapnel or a silica gel supporting bar.

As a preferable scheme of the utility model, one or two sides of the light source plate are provided with ultraviolet LED chips, and the ultraviolet LED chips comprise one or more of UVA chips, UVB chips and UVC chips.

As a preferable scheme of the utility model, the light-transmitting lampshade is a glass lamp shell capable of transmitting ultraviolet light; the conductive component is in a sheet shape, a rod shape or a wire shape, and is a metal or alloy containing molybdenum, tungsten or nickel.

As a preferred embodiment of the present utility model, the high thermal conductivity gas comprises one or more of helium, neon, argon and hydrogen.

As a preferable scheme of the utility model, the clamping and sealing part is provided with one end which is provided with the light-transmitting lampshade, the other end of the light-transmitting lampshade is of a closed structure, the conducting parts are provided with two parts which are clamped and sealed in the clamping and sealing part, and each conducting part is connected with the electric connection port on each light source plate.

As a preferable scheme of the utility model, the clamping and sealing parts are provided with two ends respectively provided with the light-transmitting lampshade, each clamping and sealing part is clamped and sealed with one conductive part, and each conductive part is connected with the electric connection port on each light source plate.

Compared with the prior art, the ultraviolet lamp provided by the utility model has the beneficial effects that:

the sealing part effectively ensures the tightness of the inside of the ultraviolet lamp, effectively protects the ultraviolet LED chip from external substances, avoids the influence of certain gases, water gas or impurities in the air, ensures the stability of light emission and improves the light emitting efficiency; meanwhile, the high-heat-conductivity gas is filled into the closed cavity in the light-transmitting lampshade, so that the ultraviolet LED chip is protected, the ultraviolet lamp is effectively and uniformly cooled, the service life of the ultraviolet lamp is prolonged, the whole structure is simple, automatic production is conveniently realized, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

Fig. 1 is a front view of an ultraviolet lamp according to a first embodiment of the present utility model;

fig. 2 is a side view of an ultraviolet lamp according to a first embodiment of the present utility model;

FIG. 3 is a front view of an ultraviolet lamp with two power ports at different ends according to a first embodiment of the present utility model;

fig. 4 is a front view of an ultraviolet lamp according to a second embodiment of the present utility model;

fig. 5 is a front view of an ultraviolet lamp according to a third embodiment of the present utility model;

fig. 6 is a front view of an ultraviolet lamp according to a fourth embodiment of the present utility model;

fig. 7 is a front view of an ultraviolet lamp according to a fifth embodiment of the present utility model;

fig. 8 is a front view of an ultraviolet lamp according to a sixth embodiment of the present utility model;

fig. 9 is a front view of an ultraviolet lamp, in which a conductive member, a supporting wire and an electrode lead are integrally formed;

fig. 10 is a side view of an ultraviolet lamp according to a seventh embodiment of the present utility model;

fig. 11 is a front view of an ultraviolet lamp according to an eighth embodiment of the present utility model;

in the figure, 1 is a light-transmitting lampshade; 11 is a clamping and sealing part; 2 is a light source plate; 21 is an ultraviolet LED chip; 22 is a power-on port; 23 is a welding transition material; 3 is a conductive member; 4 is an electrode lead; 5 is a supporting wire; and 6 is a supporting piece.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.

As shown in fig. 1 to 3, an ultraviolet lamp according to a preferred embodiment of the present utility model includes a light-transmitting lamp housing 1 and a light source plate 2, wherein a pinch portion 11 is provided at an end portion of the light-transmitting lamp housing 1, a conductive member 3 is pinched and sealed in the pinch portion 11, the light source plate 2 is disposed in a closed cavity formed in the light-transmitting lamp housing, and a high thermal conductivity gas is filled in the closed cavity, wherein the high thermal conductivity gas filled in the ultraviolet lamp includes one or more of helium, neon, argon, and hydrogen; an ultraviolet LED chip 21 is arranged on the light source plate 2, and an electric connection port 22 on the light source plate 2 is connected with the electrode lead 4 through the conductive component 3. Wherein, the one side of the light source board 2 is equipped with conductive circuit and equipartition has ultraviolet LED chip 21, and is equipped with the IC chip on the light source board 2, and the IC chip is used for driving the LED chip and gives out light. Specifically, the clamping and sealing part 11 is provided with one end of the light-transmitting lampshade 1, the other end of the light-transmitting lampshade 1 is of a closed structure, the conductive parts 3 are provided with two parts and are clamped and sealed in the clamping and sealing part 11 and are mutually insulated, and the conductive parts 3 are connected with the power connection ports 22 on the light source plate 2 in a one-to-one correspondence manner. As shown in fig. 1, two electrical connection ports 22 on the light source board 2 may be disposed at the same end of the light source board 2; as shown in fig. 3, two power-on ports 22 on the light source board 2 may also be provided at both ends of the light source board 2, respectively.

Therefore, the light-transmitting lampshade 1 effectively ensures the tightness of the interior of the ultraviolet lamp through the clamping and sealing part 11, effectively protects the ultraviolet LED chip 21 from external matters, avoids the influence of certain gases, water gas or impurities in the air, ensures the stability of light emission and improves the light-emitting efficiency; meanwhile, the closed cavity in the light-transmitting lampshade is filled with high-heat-conductivity gas so as to protect the ultraviolet LED chip and realize effective and uniform heat dissipation and cooling of the ultraviolet lamp, and the service life of the ultraviolet lamp is prolonged; and the whole structure is simple, the automatic production is conveniently realized, and the production efficiency is improved. In addition, the LED UV ultraviolet lamp does not need mercury, so that environmental pollution is avoided.

Illustratively, a supporting wire 5 is connected between the power connection port 22 and the conductive component 3, so that the light source board 2 can be effectively supported, and the light source board 2 is ensured to be positioned in the closed cavity of the light-transmitting lampshade 1, so that displacement of the light source board 2 is avoided; moreover, a welding transition material 23 is arranged between the supporting wire and the electric connection port 22, and the welding transition material 23 comprises one or more of nickel, silver, copper and gold; the electrical connection port 22 is a bonding pad on the light source board, and tin, solder paste or silver paste is soldered on the bonding pad.

The light-transmitting lampshade 1 is a glass lamp shell capable of transmitting ultraviolet light, and the material of the light-transmitting lampshade 1 can be natural or synthetic quartz glass, high-boron glass and the like as main raw materials, so that the ultraviolet light transmission is good, and the luminous effect of the ultraviolet lamp is good; preferably, the light-transmitting lampshade 1 and the clamping and sealing part 11 can be of an integral structure.

Illustratively, the conductive member 3 is in the form of a sheet, rod or wire, and the conductive member 3 is a metal or alloy containing molybdenum, tungsten or nickel; in this embodiment, the conductive member 3 is a molybdenum sheet, so that the sealing effect of the sealing portion 11 is improved and the entire conductive member 3 is sealed in the sealing portion 11. When the light-transmitting lampshade 1 is made of quartz glass, the clamping and sealing part 11 is provided with molybdenum sheets in a clamping and sealing mode, and when the light-transmitting lampshade 1 is made of high-boron glass, the clamping and sealing part 11 is provided with molybdenum wires or molybdenum rods in a clamping and sealing mode, and the molybdenum wires can be connected with the supporting wires and the electrode wires; the molybdenum wire (the conductive component 3) can also be integrated with the supporting wire and the electrode wire, namely, a welding transition material 23 is arranged between the molybdenum wire and the electric connection port 22, and the welding transition material 23 comprises one or more of nickel, silver, copper and gold; the electrical connection port 22 is a bonding pad on the light source board, and tin, solder paste or silver paste is soldered on the bonding pad.

Illustratively, the ultraviolet LED chip 21 includes one or more of a UVA chip, a UVB chip, and a UVC chip, and one, two, or three of them can be selected according to actual ultraviolet wavelength requirements; further, the ultraviolet LED chip 21 may be a CSP LED, an SMD LED, or a COB LED.

Example two

As shown in fig. 4, the difference between the present embodiment and the first embodiment is that the supporting wire 5 includes a straight section and a curved section, the curved section is corrugated or spiral, the curved section is connected between the two straight sections, and the length of the supporting wire 5 is increased by the curved section, so that heat conduction can be effectively reduced, and high temperature generated in the process of clamping the ultraviolet lamp is prevented from being transmitted to the light source board 2 through the supporting wire 5.

Example III

As shown in fig. 5, the difference between the present embodiment and the first embodiment is that the electrical connection port 22 is disposed at the end of the light source board 2 and is located at a different side of the ultraviolet lamp than the corresponding conductive member 3 on the clamping portion 11, so that the overall length of the supporting wire 5 can be increased, the heat conduction can be effectively reduced, and the high temperature generated in the ultraviolet lamp during the clamping process is prevented from being transmitted to the light source board 2 through the supporting wire 5.

Example IV

As shown in fig. 6, the difference between the present embodiment and the first embodiment is that the power receiving port 22 is disposed in the middle of the light source board 2, so that the overall length of the supporting wires 5 can be increased, heat conduction can be effectively reduced, and high temperature generated in the process of clamping and sealing the ultraviolet lamp is prevented from being transmitted to the light source board 2 through the supporting wires 5. Here, the middle portion refers to a middle portion region other than the end portions of the light source plate 2, and is not limited to the central position of the light source plate 2.

Example five

As shown in fig. 7, the difference between the present embodiment and the first embodiment is that the light source board 2 and the light-transmitting lampshade 1 are connected with a supporting member 6, and the light source board 2 is further supported by the supporting member 6, and meanwhile, when the ultraviolet lamp is impacted by the outside, the supporting member 6 can play a role in buffering, so as to avoid damage caused by overlarge impact between the light source board 2 and the wires. Wherein, the supporting piece 6 is preferably a spring, a shrapnel or a silica gel supporting bar.

Other structures of this embodiment are the same as those of the first embodiment, and will not be described here again.

Example six

As shown in fig. 8 and 9, the difference between the present embodiment and the first embodiment is that the clamping and sealing part 11 is provided with two ends of the light-transmitting lampshade 1, each clamping and sealing part 11 clamps and seals one conductive component 3, and each conductive component 3 is connected with the electric connection port 22 on each light source board 2; as shown in fig. 9, the conductive member 3 is a molybdenum wire, and the conductive member 3, the support wire 5, and the electrode lead 4 are integrally constructed.

Example seven

As shown in fig. 10, the present embodiment is different from the sixth embodiment in that the ultraviolet LED chips 21 are provided on both sides of the light source board 2.

Other structures of this embodiment are the same as those of the sixth embodiment, and will not be described here again.

Example eight

As shown in fig. 11, the difference between the present embodiment and the sixth embodiment is that the support member 6 is connected between the light source board 2 and the light-transmitting lampshade 1, and the light source board 2 is further supported by the support member 6, and meanwhile, when the ultraviolet lamp is impacted by the outside, the support member 6 can play a role in buffering, so as to avoid damage caused by overlarge impact between the light source board 2 and the wires. Wherein, the supporting piece 6 is preferably a spring, a shrapnel or a silica gel supporting bar.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. The utility model provides an ultraviolet lamp, its characterized in that includes printing opacity lamp shade and light source board, the tip of printing opacity lamp shade is equipped with presss from both sides the portion of sealing, press from both sides the portion of sealing and seal and have electrically conductive part, the light source board sets up in the airtight cavity that forms in the printing opacity lamp shade, it has high coefficient of heat conductivity gas to fill in the airtight cavity, be equipped with the ultraviolet LED chip on the light source board, connect the electric port on the light source board through electrically conductive part is connected with the electrode lead.

2. The ultraviolet radiation lamp defined in claim 1, wherein a support wire is connected between the electrical connection port and the conductive member, and a solder transition material is disposed between the support wire and the electrical connection port, the solder transition material comprising one of nickel, silver, copper, and gold.

3. The ultraviolet radiation lamp defined in claim 2, wherein the support wire comprises straight sections and curved sections.

4. The ultraviolet radiation lamp defined in claim 2, wherein the electrical connection port is disposed in a central portion of the light source plate or the electrical connection port is disposed at an end portion of the light source plate and on a different side of the ultraviolet radiation lamp than the corresponding conductive member on the pinch.

5. The ultraviolet radiation lamp defined in claim 1, wherein a support is connected between the light source panel and the light-transmissive lamp housing; the supporting piece is a spring, a shrapnel or a silica gel supporting bar.

6. The ultraviolet radiation lamp defined in claim 1, wherein one or both sides of the light source plate are provided with ultraviolet LED chips comprising one or more of UVA chips, UVB chips, UVC chips.

7. The ultraviolet radiation lamp defined in claim 1, wherein the light-transmissive lamp housing is an ultraviolet-transmissive glass lamp housing; the conductive component is in a sheet shape, a rod shape or a wire shape, and is a metal or alloy containing molybdenum, tungsten or nickel.

8. The ultraviolet radiation lamp defined in claim 1, wherein the high thermal conductivity gas comprises one of helium, neon, argon, and hydrogen.

9. The ultraviolet radiation lamp defined in any one of claims 1-8, wherein the pinch-seal portion comprises one end provided with the light-transmitting lamp cover, the other end of the light-transmitting lamp cover is of a closed structure, and the conductive members are provided with two ends and pinch-sealed in the pinch-seal portion, and each conductive member is connected with an electrical connection port on each light source board.

10. The ultraviolet radiation lamp defined in any one of claims 1-8, wherein the pinch-seal portions are provided with two ends respectively provided with the light-transmitting lamp cover, each pinch-seal portion is pinch-sealed with one of the conductive members, and each of the conductive members is connected with an electrical connection port on each of the light source plates.