CN212960952U

CN212960952U - LED lamp for realizing color temperature adjustment by using double-path or multi-path COB light source

Info

Publication number: CN212960952U
Application number: CN202022196366.4U
Authority: CN
Inventors: 叶晓春
Original assignee: Shanghai Jiale Electronic Co ltd
Current assignee: Shanghai Jiale Electronic Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-13
Anticipated expiration: 2030-09-29

Abstract

The application relates to an LED lamp for realizing color temperature adjustment by using two or more COB light sources, which comprises a COB heat dissipation substrate and a COB light source functional area arranged on the COB heat dissipation substrate, wherein a plurality of mounting holes are formed in the COB heat dissipation substrate, and a plurality of color temperature substrate anodes and color temperature substrate cathodes are symmetrically arranged on the COB heat dissipation substrate around the COB light source functional area respectively; the COB light source functional area internally comprises a plurality of LED color temperature chips of COB light sources with different color temperatures and gold wire bonding leads of the COB light sources; different LED color temperature chips are respectively connected in series through COB light source gold wire bonding leads, and two ends of the LED color temperature chips are connected to the color temperature substrate anode and the color temperature substrate cathode of the COB heat dissipation substrate through the COB light source gold wire bonding leads; different LED color temperature chips are all arranged in the COB light source functional area in a cross mode. This application has the COB type's of double-circuit or multichannel LED colour temperature chip light source, can realize adjustable colour temperature LED illumination lamps and lanterns for can design out the powerful LED illumination lamps and lanterns that little volume light emitting area is littleer.

Description

LED lamp for realizing color temperature adjustment by using double-path or multi-path COB light source

Technical Field

The application relates to the technical field of LED lighting, in particular to an LED lamp for realizing color temperature adjustment by using double-path or multi-path COB light sources.

Background

At present, the LED lighting source is more and more widely applied to the live video recording industry. In the video recording process, different color temperatures are needed to match the on-site color tones in combination with the recording scenes. In the field of lighting applications, the commonly used color temperature range may be 1800K to 10000K, or even higher.

In practical application, illumination light sources with different color temperatures are prepared, and when the different color temperatures are used, different illumination devices are used. After the LED light source appears, a plurality of lamps and lanterns realize the change of different LED lamp pearl different colour temperatures through the lamp pearl of two kinds or multiple colour temperatures of simultaneous application and do the continuous combination of adjusting luminance.

In view of the above-mentioned related technologies, the inventor believes that in the conventional method, because the combination and matching of the lamp beads with different color temperatures are required, the light-emitting area of the LED lamp beads is large, and the method is more suitable for making an LED lamp with a surface-shaped light-emitting surface, such as a flat lamp, but when the method is used in an occasion where the size of the lamp is small, especially the light-emitting surface is small, the method of combining a large number of lamp beads with different color temperatures is difficult to implement, especially in an occasion with large power and small size.

SUMMERY OF THE UTILITY MODEL

In order to realize adjustable colour temperature LED illumination lamps and lanterns through the COB type's of double-circuit or multichannel LED colour temperature chip light source to design out the more little powerful LED illumination lamps and lanterns of little volume light emitting area, this application provides one kind and realizes the LED lamps and lanterns that the colour temperature was adjusted with double-circuit or multichannel COB light source.

The application provides a pair of LED lamps and lanterns that realize colour temperature regulation with double-circuit or multichannel COB light source adopt following technical scheme:

a LED lamp for realizing color temperature adjustment by using two or more COB light sources comprises a COB heat dissipation substrate and a COB light source functional area arranged on the COB heat dissipation substrate, wherein a plurality of mounting holes are formed in the COB heat dissipation substrate, and a plurality of color temperature substrate anodes and color temperature substrate cathodes are symmetrically arranged on the COB heat dissipation substrate around the COB light source functional area respectively;

the COB light source functional area internally comprises a plurality of COB light source LED color temperature chips with different color temperatures and COB light source gold wire bonding leads for connecting the COB light source LED color temperature chips;

the different LED color temperature chips are respectively connected in series through COB light source gold wire bonding leads, and two ends of the different LED color temperature chips are connected to the color temperature substrate anode and the color temperature substrate cathode of the COB heat dissipation substrate through the COB light source gold wire bonding leads;

different LED color temperature chips are all arranged in the COB light source functional area in a cross mode.

Through adopting above-mentioned technical scheme, when LED lamps and lanterns colour temperature was adjusted to needs, the mounting hole mainly used fixed mounting COB heat dissipation base plate is provided with the LED colour temperature chip of a plurality of different colour temperature COB light sources in the COB light source functional area on the COB heat dissipation base plate, and the LED colour temperature chip establishes ties through COB light source gold wire bonding lead to be connected to COB heat dissipation base plate's the anodal and colour temperature base plate negative pole of colour temperature base plate with both ends. The different LED color temperature chips are provided with a plurality of paths of LED driving power supplies which can respectively adjust output current so as to drive the COB light sources with the plurality of paths of LED different color temperature chips. The LED color temperature chips are distributed in a cross mode, the LED driving power supply is used for adjusting the multi-path output current respectively, and the change of the color temperature of the LED lighting lamp from the warm light color temperature to the cold light color temperature can be achieved gradually. The COB type light source of the double-path or multi-path LED color temperature chip is arranged, so that the LED illuminating lamp with the adjustable color temperature is realized, and the LED illuminating lamp with small volume and smaller luminous surface and high power can be designed.

Optionally, the color temperature substrate anode includes a cold light source substrate anode and a warm light source substrate anode, and the color temperature substrate cathode includes a cold light source substrate cathode and a warm light source substrate cathode;

the LED color temperature chip comprises an LED cold light source chip and an LED warm light source chip;

the LED cold light source chip and the LED warm light source chip are uniformly distributed in the COB light source functional area.

Through adopting above-mentioned technical scheme, when adjusting LED lamps and lanterns colour temperature, the cold light source base plate positive pole and the cold light source base plate negative pole of COB heat dissipation base plate are connected to LED cold light source chip both ends, and the warm light source base plate positive pole and the warm light source base plate negative pole of COB heat dissipation base plate are connected to LED warm light source chip both ends. The LED cold light source chips and the LED warm light source chips are uniformly distributed in the COB light source functional area, so that the color temperature effect of the LED lighting lamp can be better.

Optionally, the LED cold light source chip and the LED warm light source chip are connected in parallel through COB light source gold wire bonding wires, respectively.

By adopting the technical scheme, in the process of using the LED lighting lamp, the LED cold light source chip and the LED warm light source chip in the COB light source functional area are respectively connected in series and then connected in parallel, so that in the actual use process, if the LED cold light source chip and the LED warm light source chip are damaged respectively, other LED cold light source chips and other LED warm light source chips can still be continuously used when the LED cold light source chips and the LED warm light source chips are not damaged.

Optionally, a plurality of bayonets are arranged on the periphery of the COB heat dissipation substrate.

Through adopting above-mentioned technical scheme, when using LED illumination lamps and lanterns, be provided with a plurality of bayonets on its COB heat dissipation base plate, the bayonet socket can play good spacing effect at the in-process of the fixed COB heat dissipation base plate of installation, the cooperation installation of being convenient for.

Optionally, all be provided with the protecting film on COB heat dissipation base plate and the COB light source functional area.

Through adopting above-mentioned technical scheme, the top layer of COB heat dissipation base plate and COB light source functional area all is equipped with the protecting film, and the protecting film can play the effect of protection to LED illumination lamps and lanterns in the in-process of transportation, reduces the influence that the top layer was scratched and then was produced the illuminating effect.

Optionally, a plurality of through holes are formed in the COB heat dissipation substrate.

Through adopting above-mentioned technical scheme, when using LED illumination lamps and lanterns, seted up a plurality of through-holes on the COB heat dissipation base plate, and then make COB heat dissipation base plate can play good radiating effect at the in-process that uses.

Optionally, the COB heat dissipation base plate is provided with on the periphery of the mounting hole and holds the groove, the mounting hole is located and holds the inslot.

Through adopting above-mentioned technical scheme, when using LED illumination lamps and lanterns, be equipped with on the COB heat dissipation base plate and hold the groove, hold the groove and can hold the mounting such as the bolt that is used for installing fixed at the in-process of installation, play spacing effect to difficult production is not hard up, and is more stable to COB heat dissipation base plate's fixing.

Optionally, identifiers are disposed on the COB heat dissipation substrate and located on the positive electrode and the negative electrode of the color temperature substrate.

Through adopting above-mentioned technical scheme, when using LED illumination lamps and lanterns, the identifier on the COB radiating basal plate can play good suggestion effect, the wiring of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when LED lamps and lanterns colour temperature when needs are adjusted, the mounting hole mainly used fixed mounting COB heat dissipation base plate, be provided with the LED colour temperature chip of a plurality of different colour temperature COB light sources in the COB light source functional area on the COB heat dissipation base plate, different LED colour temperature chips have the LED drive power supply that the multichannel can transfer output current respectively, adjust two way or multichannel output current respectively through LED drive power supply, can realize that LED illumination lamps and lanterns colour temperature is gradually by the change of warm light colour temperature to cold light colour temperature. The color temperature adjustable LED illuminating lamp can be obtained by the arrangement, so that a high-power LED illuminating lamp with small volume and smaller luminous surface is designed;

2. when the color temperature of the LED lamp is adjusted, the LED cold light source chips and the LED warm light source chips are uniformly distributed in the COB light source functional area, and the overall color temperature effect of the LED lighting lamp can be improved. The LED cold light source chip and the LED warm light source chip in the COB light source functional area are respectively connected in parallel, and if the LED cold light source chip and the LED warm light source chip are damaged, the use of other LED cold light source chips and the LED warm light source chips is not influenced. A plurality of bayonets are arranged on the COB heat dissipation substrate, so that the COB heat dissipation substrate is convenient to match and install.

Protective film on COB radiating basal plate and the COB light source functional area, protective film can reduce the top layer and scratch and then influence illuminating effect. A plurality of through holes are formed in the COB heat dissipation substrate, and a good heat dissipation effect can be achieved. Fixing pieces such as bolts used for mounting and fixing can be installed in the containing grooves in the COB radiating substrate to achieve limiting effect, and the fixing pieces are not prone to loosening.

Drawings

FIG. 1 is a front view of an LED lamp for adjusting color temperature by using two or more COB light sources according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram illustrating a circuit connection between an LED cold light source chip and an LED warm light source chip in an LED lamp for adjusting color temperature by using two or more COB light sources according to an embodiment of the present disclosure;

FIG. 3 is a front view of an LED lamp for adjusting color temperature using two or more COB light sources according to a second embodiment of the present disclosure;

fig. 4 is a side view of an LED lamp for adjusting color temperature using two or more COB light sources according to another embodiment of the present disclosure.

Description of reference numerals: 1. a COB heat dissipation substrate; 2. a COB light source functional area; 3. mounting holes; 4. a color temperature substrate anode; 41. a cold light source substrate anode; 42. a warm light source substrate anode; 5. a color temperature substrate cathode; 51. a cold light source substrate cathode; 52. a warm light source substrate cathode; 6. an LED color temperature chip; 61. an LED cold light source chip; 62. an LED warm light source chip; 7. a COB light source gold wire bonding lead; 8. a bayonet; 9. an identifier; 10. a protective film; 11. a through hole; 12. and (4) a containing groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses LED lamps and lanterns that colour temperature was adjusted are realized with double-circuit or multichannel COB light source.

Example 1:

referring to fig. 1 and fig. 2, an LED lamps and lanterns that realize colour temperature regulation with double-circuit or multichannel COB light source, including COB heat dissipation substrate 1 that is the cuboid form and COB light source functional area 2 of setting on COB heat dissipation substrate 1, aluminium metal substrate can be chooseed for use to COB heat dissipation substrate 1 in this embodiment. The COB heat dissipation substrate 1 is provided with a plurality of mounting holes 3 with circular cross sections, and the mounting holes 3 are mainly used for fixedly mounting the COB heat dissipation substrate 1.

A plurality of color temperature substrate anodes 4 and color temperature substrate cathodes 5 are symmetrically arranged on the periphery of the COB heat dissipation substrate 1 and around the COB light source functional area 2 respectively. The COB light source functional area 2 includes inside a plurality of different colour temperature COB light source's LED colour temperature chip 6 and the COB light source gold wire bonding lead 7 that is used for connecting LED colour temperature chip 6. Different LED colour temperature chips 6 are established ties through COB light source gold wire bonding lead 7 respectively, and both ends are connected to COB heat dissipation base plate 1's colour temperature base plate positive pole 4 and colour temperature base plate negative pole 5 through COB light source gold wire bonding lead 7, and different LED colour temperature chips 6 all intercross arranges in COB light source functional area 2. When the color temperature of the LED lamp needs to be adjusted, the LED color temperature chips 6 are connected in series through the COB light source gold wire bonding lead 7, and different LED color temperature chips 6 are provided with multiple paths of LED driving power supplies capable of adjusting output current respectively to drive COB light sources with multiple paths of LED different color temperature chips. The current is respectively adjusted through the LED driving power supply, so that the color temperature of the LED lighting lamp is changed. Therefore, the LED illuminating lamp with the adjustable color temperature can be obtained, and the LED illuminating lamp with small volume and smaller luminous surface and high power is designed.

The color temperature substrate positive electrode 4 includes a cold light source substrate positive electrode 41 and a warm light source substrate positive electrode 42, and the color temperature substrate negative electrode 5 includes a cold light source substrate negative electrode 51 and a warm light source substrate negative electrode 52. The LED color temperature chip 6 includes an LED cold light source chip 61 and an LED warm light source chip 62, both ends of the LED cold light source chip 61 are connected to the cold light source substrate positive electrode 41 and the cold light source substrate negative electrode 51 of the COB heat dissipation substrate 1, and both ends of the LED warm light source chip 62 are connected to the warm light source substrate positive electrode 42 and the warm light source substrate negative electrode 52 of the COB heat dissipation substrate 1. The LED driving power supply is used for adjusting the output currents of the two paths respectively, so that the color temperature of the LED lighting lamp can be gradually changed from the color temperature of the warm light to the color temperature of the cold light. The two-way COB light source in this embodiment can realize a wide range of color temperature changes.

The LED cold light source chips 61 and the LED warm light source chips 62 are uniformly distributed in the COB light source functional area 2, so that the color temperature of the LED lighting lamp has a better effect in overall adjustment. The LED cold light source chip 61 and the LED warm light source chip 62 are connected in parallel through COB light source gold wire bonding wires 7 respectively. In the process of using the LED lighting fixture, the LED cold light source chip 61 and the LED warm light source chip 62 in the COB light source functional region 2 can actually achieve corresponding effects in the process of being connected in series, but if the LED cold light source chip 61 and the LED warm light source chip 62 are damaged respectively, normal use of other LED cold light source chips 61 and LED warm light source chips 62 is not affected, and the overall use effect of the LED lighting fixture is improved.

The periphery of COB heat dissipation base plate 1 is provided with a plurality of bayonets 8 that are the U type, and bayonet 8 in this embodiment can be selected to four. The COB heat sink substrate 1 is provided with an identifier 9 at each of the color temperature substrate positive electrode 4 and the color temperature substrate negative electrode 5, where 'W +' denotes a warm light source substrate positive electrode 42, 'W-' denotes a warm light source substrate negative electrode 52, 'C +' denotes a cold light source substrate positive electrode 41, and 'C-' denotes a cold light source substrate negative electrode 51 in the identifier 9 in the present embodiment. When using LED illumination lamps and lanterns, be provided with a plurality of bayonets 8 on its COB heat dissipation base plate 1 and can play good spacing effect to COB heat dissipation base plate 1 at the in-process of the fixed COB heat dissipation base plate 1 of installation, can cooperate the installation. And the identifier 9 has a good prompting effect and is convenient for wiring.

The implementation principle of the embodiment 1 is as follows: when the color temperature of the LED lamp needs to be adjusted, the LED color temperature chips 6 are connected in parallel through the COB light source gold wire bonding lead 7, and different LED color temperature chips 6 are provided with multiple paths of LED driving power supplies capable of adjusting output current respectively to realize the change of the color temperature of the LED lighting lamp from the warm light color temperature to the cold light color temperature gradually. If the cold light source chip 61 and the warm light source chip 62 are damaged, the normal use of the other cold light source chips 61 and the warm light source chips 62 will not be affected under the condition of parallel connection. And the LED cold light source chips 61 and the LED warm light source chips 62 are uniformly distributed, so that the color temperature adjusting effect is better. Bayonet 8 is convenient for install COB heat dissipation base plate 1, and identifier 9 is then the wiring of being convenient for.

Example 2:

referring to fig. 2 and 3, the difference between this embodiment and embodiment 1 is that protective films 10 are disposed on both the COB heat dissipation substrate 1 and the COB light source functional region 2, and the protective film 10 in this embodiment may be a PET high temperature resistant protective film. COB radiating basal plate 1 and COB light source functional area 2's top layer all is equipped with protecting film 10, and protecting film 10 can play the effect of protection to LED lighting fixtures in the in-process of transportation, reduces the top layer and scratches, is difficult for influencing the luminous effect of light source.

The COB heat dissipation substrate 1 is provided with a plurality of through holes 11 with circular cross sections. Be located 3 week sides of mounting hole on COB heat dissipation substrate 1 and be provided with and be annular holding tank 12, mounting hole 3 is located and holds tank 12. When using LED illumination lamps and lanterns, set up a plurality of through-holes 11 on COB heat dissipation substrate 1, can improve COB heat dissipation substrate 1's radiating effect. The holding groove 12 can hold bolts and the like for installation and fixation, has a good limiting effect, reduces the phenomenon of looseness in the long-time use process, and is favorable for keeping the stability of installation.

The implementation principle of the embodiment 2 is as follows: when using LED illumination lamps and lanterns, protective film 10 can play the protective effect at the in-process of its transportation, reduces to appear scraping, and through-hole 11 on the COB radiating basal plate 1 is favorable to improving the radiating effect of COB radiating basal plate 1 in the use, holds difficult emergence not hard up such as the bolt that groove 12 can use in the installation, makes the stability of installation better.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a realize LED lamps and lanterns that colour temperature was adjusted with double-circuit or multichannel COB light source which characterized in that: the COB heat dissipation substrate comprises a COB heat dissipation substrate (1) and a COB light source functional area (2) arranged on the COB heat dissipation substrate (1), wherein a plurality of mounting holes (3) are formed in the COB heat dissipation substrate (1), and a plurality of color temperature substrate anodes (4) and color temperature substrate cathodes (5) are symmetrically arranged on the COB heat dissipation substrate (1) in the circumferential side of the COB light source functional area (2) respectively;

the COB light source functional area (2) internally comprises a plurality of COB light source LED color temperature chips (6) with different color temperatures and COB light source gold wire bonding leads (7) for connecting the COB light source LED color temperature chips (6);

the different LED color temperature chips (6) are connected in series through COB light source gold wire bonding leads (7) respectively, and two ends of the chips are connected to a color temperature substrate anode (4) and a color temperature substrate cathode (5) of the COB heat dissipation substrate (1) through the COB light source gold wire bonding leads (7);

different LED color temperature chips (6) are all arranged in the COB light source functional area (2) in a cross mode.

2. The LED lamp for adjusting color temperature with two-way or multi-way COB light source according to claim 1, wherein: the color temperature substrate anode (4) comprises a cold light source substrate anode (41) and a warm light source substrate anode (42), and the color temperature substrate cathode (5) comprises a cold light source substrate cathode (51) and a warm light source substrate cathode (52);

the LED color temperature chip (6) comprises an LED cold light source chip (61) and an LED warm light source chip (62);

the LED cold light source chip (61) and the LED warm light source chip (62) are uniformly distributed in the COB light source functional area (2).

3. The LED lamp with two or more COB light sources for adjusting color temperature according to claim 2, wherein: the LED cold light source chip (61) and the LED warm light source chip (62) are connected in parallel through a COB light source gold wire bonding lead (7) respectively.

4. The LED lamp for adjusting color temperature with two-way or multi-way COB light source according to claim 1, wherein: the periphery of COB heat dissipation base plate (1) is provided with a plurality of bayonets (8).

5. The LED lamp for adjusting color temperature with two-way or multi-way COB light source according to claim 1, wherein: COB radiating basal plate (1) and all are provided with protective film (10) on COB light source functional area (2).

6. The LED lamp for adjusting color temperature with two-way or multi-way COB light source according to claim 1, wherein: a plurality of through holes (11) are formed in the COB heat dissipation substrate (1).

7. The LED lamp for adjusting color temperature with two-way or multi-way COB light source according to claim 1, wherein: COB radiating basal plate (1) is gone up and is located mounting hole (3) week side and be provided with and hold groove (12), mounting hole (3) are located and hold groove (12).

8. The LED lamp for adjusting color temperature with two-way or multi-way COB light source according to claim 1, wherein: COB radiating basal plate (1) all is provided with identifier (9) in colour temperature base plate positive pole (4) and colour temperature base plate negative pole (5) department.