CN219222201U

CN219222201U - COB light source and camping lamp

Info

Publication number: CN219222201U
Application number: CN202320666469.3U
Authority: CN
Inventors: 吕建飞
Original assignee: Ningbo Xingshida Optoelectronics Co ltd
Current assignee: Ningbo Xingshida Optoelectronics Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-20
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a COB light source and a camping lamp, and relates to the technical field of illuminating lamps. Camping lamp includes transparent cover, body, base and bottom that from the top down connects gradually, the inside top of transparent cover is equipped with the light source, the lower part of light source passes through the contact plate and is connected with the light bowl, be equipped with shift knob on the surface of body, the inside battery that is equipped with of body, inside from the top down of base is equipped with light cup and lens in proper order, the upper surface of bottom is equipped with first lamp pearl and second lamp pearl, the base below is equipped with the couple. By applying the COB light source in the camping lamp, the luminous space can be more uniform, the illumination range can be enlarged, and the illumination quality can be improved.

Description

COB light source and camping lamp

Technical Field

The utility model relates to the technical field of illuminating lamps, in particular to a COB light source and a camping lamp.

Background

The COB light source (Chip On Board Light) is a high-power integrated area light source technology, and an LED chip is directly attached to a mirror metal substrate with high reflectivity, so that the technology eliminates the bracket concept, and the processes of electroless plating, reflow soldering and surface mounting are omitted, and therefore, the process is reduced by nearly one third, and the cost is saved by one third. At present, most of COB light sources in the market are rectangular, when the rectangular COB light sources are irradiated, the front irradiation brightness of the light sources is higher, the side irradiation brightness of the light sources is relatively lower, the phenomenon of uneven light emission exists, and further improvement is still left.

The camping lamp is an auxiliary lighting device used in camping or outdoor activities, has the functions of providing illumination for a user, marking the azimuth of a person, indicating the position of a campsite and the like, and has the advantages of being convenient to carry, capable of preventing wind and rain and the like. At present, the outdoor camping lamp on the market has the defects of uneven side surface lighting, low up-and-down lighting efficiency, capability of obviously seeing the LED point light source to be dazzling, poor user experience and low market competitiveness.

Disclosure of Invention

Aiming at the problems of uneven side light emission and low light emission efficiency of the camping lamp in the prior art, the utility model designs the camping lamp with the annular COB light source, and aims to widen the light irradiation range and improve the illumination quality and the light emission efficiency.

The technical scheme adopted by the utility model is as follows: a COB light source comprises a substrate, a light-emitting chip and a fluorescent powder adhesive layer, wherein the light-emitting chip is spot-welded on the substrate, the substrate is bent and surrounds to form a ring shape, and the fluorescent powder adhesive layer covers the surface of the light-emitting chip.

Preferably, the substrate is a soft aluminum substrate, and electrode wires are arranged on the substrate.

Preferably, the light emitting chip is a patch light source, and has a rectangular or square shape, and the side length is 5-30 mm.

Preferably, the color of the fluorescent powder adhesive layer is yellow, and the color temperature of the light source covered by the fluorescent powder adhesive layer is 5000-8000 Kelvin.

The utility model also relates to a camping lamp, which comprises a transparent cover, a large body, a base and a bottom cover which are sequentially connected from top to bottom, wherein the top end of the inside of the transparent cover is provided with a light source, the lower part of the light source is connected with a light bowl through a contact plate, a switch button is arranged on the surface of the large body, a battery is arranged in the large body, a light cup and a lens are sequentially arranged in the base from top to bottom, the upper surface of the bottom cover is provided with a first lamp bead and a second lamp bead, and a hook is arranged below the bottom cover.

Preferably, the surface of the contact plate is provided with a positive thimble and a negative thimble, the positive thimble is connected with a positive contact surface at the bottom of the light source, and the negative thimble is connected with a negative contact surface at the bottom of the light source.

Preferably, the positive thimble on the surface of the contact plate is connected with the positive electrode of the power supply, and the negative thimble is connected with the negative electrode of the power supply.

Preferably, the switch buttons on the trunk comprise a camping lamp switch and a flashlight switch, which respectively correspond to different illumination modes.

The utility model has the following substantial effects: the utility model provides a COB light source, includes soft aluminium base board, light emitting chip and phosphor powder glue film, through spot welding light emitting chip on soft aluminium base board, bend soft aluminium base board again and enclose into the ring-shaped to glue at soft aluminium base board surface point and control colour temperature, can form annular COB light source, this light source has that the light emitting area is even, the irradiation range is wide, the advantage that the illumination quality is high, when being arranged in the camping lamp in addition, can replace with current ceramic filament light source under the condition that does not change other structures, simple to operate, it is convenient to use.

Drawings

Fig. 1 is an exploded view of one embodiment of a camping light of the present utility model.

Fig. 2 is a front view of one embodiment of a camping light in the present utility model.

Fig. 3 is a schematic structural view of an embodiment of the COB light source in the utility model.

Wherein, 1, a transparent cover; 2. a light source; 3. a contact plate; 4. a light bowl; 5. large body; 6. a switch button; 7. a battery; 8. a base; 9. a first light bead; 10. a second light bead; 11. a light cup; 12. a lens; 13. a bottom cover; 14. a hook; 15. a substrate; 16. a light emitting chip; 17. a fluorescent glue separating layer; 18. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "top", "bottom", "surface", "inside", 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 configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

The COB light source comprises a substrate 15, a light-emitting chip 16 and a fluorescent powder adhesive layer 17, wherein the light-emitting chip 16 is spot-welded on the substrate 15, the substrate 15 is bent and surrounds to form a ring shape, and the fluorescent powder adhesive layer 17 covers the surface of the light-emitting chip 16.

Specifically, the substrate 15 is a soft aluminum substrate, and electrode wires are disposed on the substrate 15. The light emitting chip 16 is a patch light source, and has a rectangular or square shape with a side length of 5 mm to 30 mm. The color of the fluorescent powder adhesive layer 17 is yellow, and the color temperature of the light source covered by the fluorescent powder adhesive layer 17 is 5000-8000 Kelvin. The soft aluminum substrate is a metal printed circuit board with good heat dissipation function, is made of aluminum alloy and is generally used for LED lamps, and is characterized in that heat conduction is fast, heat is transferred out of a metal base layer to realize the heat dissipation function of a device, and in addition, the soft aluminum substrate has excellent softness, fitting property, self-adhesion property and high compressibility. Therefore, the soft aluminum substrate is selected as the carrier of the light-emitting chip, and the soft aluminum substrate can be bent into a ring shape by utilizing the characteristics of softness and high compressibility of the soft aluminum substrate, so that the light-emitting range is enlarged, the light source irradiation space is more uniform, and the electrode wires on the substrate 15 are used for being connected with the positive and negative electrode interfaces of the contact plate 3 and further connected with the positive and negative electrodes of the battery 7.

The light emitting chip 16 is an SMD LED, i.e., a surface mount light emitting diode, and the SMD patch is a solid semiconductor device that can directly convert electricity into light, contributing to improvement of production efficiency. The color of the phosphor glue layer 17 is yellow in this embodiment, and other colors can be equivalently replaced, so long as the phosphor glue with different colors is used in the dispensing operation described above. The dispensing amount is controlled during dispensing so that the color temperature of the light source workpiece is 5000-8000 Kelvin, and the light source within the color temperature range emits white light to meet the needs of most users. Meanwhile, light source workpieces with different color temperatures can be manufactured according to the requirements of different users, and the light source workpieces can emit orange light, yellow light, blue light and other color lights.

The embodiment further comprises a camping lamp, as shown in fig. 1 and 2, comprising a transparent cover 1, a large body 5, a base 8 and a bottom cover 13 which are sequentially connected from top to bottom, wherein the top end of the inside of the transparent cover 1 is provided with a light source 2, a contact plate 3 is attached below the light source, the light source 2 and the outside of the contact plate 3 are surrounded by a light bowl 4, the light source 2, the contact plate 3 and the light bowl 4 are all positioned in the transparent cover, the light bowl 4 is mainly used for condensing a flashlight, and a parabolic curved surface design is adopted, so that the camping lamp can effectively reduce light loss. The switch button 6 is provided on the surface of the main body 5, and the battery 7 is provided inside the main body. The inside from the top down at base 8 is equipped with first lamp pearl 9, second lamp pearl 10, light cup 11 and lens 12 in proper order, and first lamp pearl 9 and second lamp pearl 10 are luminous instrument, and light cup 11 and lens 12 cooperation can be with a light collection to a point or a little region, promotes the spotlight ability of flashlight.

Specifically, the light source is a COB light source or a ceramic filament light source as described above, and a protective cover 18 is provided outside the light source to cover the light source. The bottom of the main body 5 is provided with threads matching the threads of the base 8, so that the main body can be fixed on or separated from the main body by rotating the base 8. When the camping lamp of the embodiment is used for replacing the light source, the original base of the light source can be completely detached by screwing the base of the light source out of the large body 5 anticlockwise, and the base of the new light source to be replaced can be completely installed by screwing the base of the light source into the large body 5 clockwise.

Specifically, the surface of the contact plate 3 is provided with a positive thimble and a negative thimble, the positive thimble is connected with a positive contact surface at the bottom of the light source, and the negative thimble is connected with a negative contact surface at the bottom of the light source 2. The positive electrode thimble on the surface of the contact plate 3 is connected with the positive electrode of the battery 7, and the negative electrode thimble is connected with the negative electrode of the battery 7. The contact plate 3 serves as an intermediate element for the electrical connection of the light source 2 to the battery 7.

Specifically, the switch button 6 on the main body 5 includes a camping light switch and a flashlight switch, which respectively correspond to different lighting modes. When the camping lamp button is used for controlling the annular COB light source 2 or the ceramic filament lamp light source, and the camping lamp is used in a lighting mode, the camping lamp can be switched on and off by pressing the camping lamp switch button 6 in a short time; when the switch button 6 of the camping lamp is pressed for a long time in the on state, the internal circuit is started to continuously change the luminous power of the light source, so that the illumination brightness can be continuously adjusted, the luminous power of the light source is continuously increased along with the pressing time, and the luminous power returns to the minimum power after reaching the maximum power, so that the electrodeless dimming effect is realized; when the switch is turned on again after being turned off, the initial light emission luminance will be consistent with the luminance before being turned off. When the flashlight is used in the illumination mode, the working states of the first lamp bead 9 and the second lamp bead 10 can be switched every time the flashlight is pressed, so that different lights can be emitted, and the specific working modes are as follows:

(1) The first lamp bulb 9 operates at high power and emits high brightness white light when the second lamp bulb 10 is turned off.

(2) The first lamp bulb 9 operates at low power and emits low-intensity white light when the second lamp bulb 10 is turned off.

(3) The first lamp bead 9 is closed, the white light SMD patch in the second lamp bead 10 is opened, and when the red light SMD patch is closed, the white light with medium brightness is emitted.

(4) The first lamp bead 9 is turned off, the red light SMD patch in the second lamp bead 10 is turned on, and the white light SMD patch emits red light when turned off.

(5) The first lamp bead 9 is closed, the red light SMD patch in the second lamp bead 10 intermittently works, and when the white light SMD patch is closed, red flickering light is emitted.

Specifically, the first bead 9 is a patch bead including multiple color light sources, and the second bead 10 is a bead displaying white light. In this embodiment, the first lamp bead 9 uses the patch lamp beads of the red light source and the white light source, and the patch lamp beads of the other color light sources can be selected according to actual needs. When the flashlight is used, the flashlight switch button can control the on/off of the light source beads with certain colors, so that the flashlight is controlled to emit lights with different colors.

Specifically, couple 14 is connected with to big body 5 both sides, when camping, can hang camping lamp on the branch or tent support through the couple for when walking illumination, also can pass couple 14 with the hand, carry camping lamp in the hand. The use modes are various, and the proper use method can be switched according to different use scenes.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. The COB light source is characterized by comprising a substrate, a light-emitting chip and a fluorescent powder adhesive layer, wherein the light-emitting chip is spot-welded on the substrate, the substrate is bent and surrounds to form a ring shape, and the fluorescent powder adhesive layer covers the surface of the light-emitting chip.

2. The COB light source of claim 1, wherein the substrate is a soft aluminum substrate with electrode leads disposed thereon.

3. The COB light source of claim 1, wherein the light emitting chip is a patch light source, which is rectangular or square in shape and has a side length of 5 mm to 30 mm.

4. The COB light source of claim 1, wherein the phosphor paste layer is yellow in color and the color temperature of the light source covered by the phosphor paste layer is 5000-8000 kelvin.

5. The utility model provides a camping lamp, its characterized in that, includes transparent cover, bodice, base and the bottom that from the top down connects gradually, the inside top of transparent cover is equipped with any one of claim 1-4 the COB light source, the lower part of COB light source is provided with the contact plate, the outside of COB light source and contact plate is equipped with light bowl, inside from the top down of base is equipped with light cup and lens in proper order, the upper surface of bottom is equipped with first lamp pearl and second lamp pearl, the bottom below is equipped with the couple.

6. The camping light of claim 5, wherein the contact plate has a positive pin and a negative pin on a surface thereof, the positive pin being connected to a positive contact surface of the COB light source bottom, the negative pin being connected to a negative contact surface of the COB light source bottom.

7. The camping light of claim 6, wherein the positive thimble on the surface of the contact plate is further connected to the positive electrode of the battery, and the negative thimble is further connected to the negative electrode of the battery.

8. The camping light of claim 5, wherein the switch buttons on the figurine comprise a camping light switch and a flashlight switch, each corresponding to a different illumination mode.