CN211455684U - Multi-color warm filament and lighting device - Google Patents
Multi-color warm filament and lighting device Download PDFInfo
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- CN211455684U CN211455684U CN202020390072.2U CN202020390072U CN211455684U CN 211455684 U CN211455684 U CN 211455684U CN 202020390072 U CN202020390072 U CN 202020390072U CN 211455684 U CN211455684 U CN 211455684U
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Abstract
The application discloses polychrome temperature filament and lighting device, this polychrome temperature filament includes: a bracket and a light string; the lamp strings are attached to the bracket and at least comprise a first lamp string and a second lamp string, wherein the first lamp string and the second lamp string have different color temperatures and have different working voltages; the plug pins are connected to two ends of the support, and the first light string and the second light string are connected to the plug pins respectively. In this way, the multi-color temperature filament in the application can effectively ensure the maintenance rate of more stable light flux of the light source by pasting two different lamp strings with different color temperatures and working voltages on one support, and effectively prolong the service life and improve the reliability of the LED filament.
Description
Technical Field
The application relates to the technical field of lamp filaments, in particular to a multi-color temperature lamp filament and a lighting device.
Background
An led (light emitting diode) is a solid semiconductor device that converts electrical energy into light energy. The device has the advantages of low power consumption, good light condensation effect, high reaction speed, strong controllability, high impact force bearing capacity, long service life, environmental protection and the like. LEDs are gradually replacing traditional light sources, becoming fourth generation light sources. For the LED package device, different package structures may have a relatively large influence on the LED, for example, the light emitting efficiency, the light emitting angle, and the like of the LED may be affected.
However, no matter the structure is a forward mounting structure or a reverse mounting structure, the multi-color temperature light emitting mode of the LED filament is realized by a plurality of light sources, and the adopted scheme can reduce the corresponding brightness along with the lapse of time, and causes the corresponding operation to be inconvenient, thereby influencing the maintenance rate of the luminous flux of the whole light source and greatly reducing the service life and the reliability of the LED.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application mainly solved provides a polychrome temperature filament and lighting device to solve the polychrome temperature luminous mode that current LED filament adopted multiple light source to realize, its luminance can reduce gradually, thereby influence the maintenance rate of the luminous flux of light source, and reduced the life and the problem of reliability of LED filament.
In order to solve the technical problem, the application adopts a technical scheme that: provided is a multi-color temperature filament, wherein the multi-color temperature filament includes: a bracket and a light string; the lamp strings are attached to the bracket and at least comprise a first lamp string and a second lamp string, wherein the first lamp string and the second lamp string have different color temperatures and have different working voltages; the plug pins are connected to two ends of the support, and the first light string and the second light string are connected to the plug pins respectively.
The first light string comprises a plurality of high-color-temperature LED light-emitting chips which are connected in series, and the second light string comprises a plurality of low-color-temperature LED light-emitting chips which are connected in series.
The number of the high-color-temperature LED light-emitting chips connected in series is equal to that of the low-color-temperature LED light-emitting chips connected in series.
The anodes of the high-color-temperature LED light-emitting chips which are connected in series face one end of the support, and the anodes of the low-color-temperature LED light-emitting chips which are connected in series face the opposite end of the support.
The working voltage of the high-color-temperature LED light-emitting chip is 5.7V-6.4V, and the working voltage of the low-color-temperature LED light-emitting chip is 2.7V-3.4V.
The first light string and the second light string are connected in parallel and are electrically connected to the pins together.
The plug pins comprise a first plug pin and a second plug pin, the first plug pin is connected to two ends of the support, the second plug pin is connected to two ends of the support, the first light string is electrically connected with the first plug pin, and the second light string is electrically connected with the second plug pin.
The multi-color-temperature filament further comprises a protection resistor, and the first light string and the second light string are electrically connected to the pins through the protection resistor.
The multi-color-temperature filament further comprises a packaging layer, and the packaging layer covers the support and the lamp string arranged on the support.
In order to solve the above technical problem, the present application adopts a further technical solution of providing a lighting device, wherein the lighting device includes the multicolor warm filament as described in any one of the above.
The beneficial effect of this application is: unlike the state of the art, the multi-color filament and the lighting device in the present application, the multi-color filament includes: the lamp string is attached to the bracket and at least comprises a first lamp string and a second lamp string, wherein the first lamp string and the second lamp string have different color temperatures and different working voltages; the plug pins are connected to two ends of the support, and the first light string and the second light string are connected to the plug pins respectively. In this way, the multi-color temperature filament in the application can effectively ensure the maintenance rate of the luminous flux of the more stable light source by pasting the two lamp strings with different color temperatures and different working voltages on one support, effectively prolong the service life and the reliability of the LED filament, and reduce the cost and the production period of the corresponding manufacturing process.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the multi-color temperature filament of the present application;
FIG. 2 is a schematic structural diagram of a second embodiment of the multi-color temperature filament of the present application;
FIG. 3 is a schematic structural diagram of a third embodiment of the multi-color temperature filament of the present application;
FIG. 4 is a schematic structural diagram of a fourth embodiment of the multi-color-temperature filament according to the present application
FIG. 5 is a schematic structural diagram of a fifth embodiment of the multi-color temperature filament of the present application;
FIG. 6 is a schematic structural diagram of a sixth embodiment of the multi-color temperature filament of the present application;
fig. 7 is a schematic structural diagram of a seventh embodiment of the multi-color temperature filament according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of a multi-color temperature filament according to the present application. In this embodiment, the multi-color temperature filament includes a support 10, a string of lights 20, and pins 30.
The lamp string 20 is attached to the bracket 10, the lamp string 20 at least includes a first lamp string 21 and a second lamp string 22, the first lamp string 21 and the second lamp string 22 have different color temperatures and different operating voltages, the pin 30 is connected to two ends of the bracket 10, and the first lamp string 21 and the second lamp string 22 are respectively connected to the pin 30. Specifically, the first light string 21 and the second light string 22 are respectively connected to the pin 30 through bonding wires, wherein the pin 30 is used for an external power supply to light the first light string 21 and the second light string 22, and compared with a single light string, the first light string 21 and the second light string 22 with two different color temperatures are integrated on the same bracket 10, so that the luminous flux of the light string 20 during light emitting can be effectively increased, corresponding energy consumption is reduced, energy is saved, and the maintenance rate of the luminous flux of the light source is more stable. In fig. 1 of the present application, only the light string 20 having the first light string 21 and the second light string 22 is shown, and in practical cases, the light string may further have a third light string, a fourth light string, and so on.
Optionally, the first light string 21 is a high color temperature LED light string, and the first light string 21 specifically includes a plurality of high color temperature LED light emitting chips 211 connected in series, and the second light string 22 is a low color temperature LED light string including a plurality of low color temperature LED light emitting chips 221 connected in series. In other embodiments, the first light string 21 may be a low color temperature LED light string, and the second light string 22 may be a high color temperature LED light string, which is not limited in this application.
The high color temperature LED light emitting chips 211 and the low color temperature LED light emitting chips 221 connected in series with each other may be arranged on the bracket 10 in sequence at equal intervals, and the anodes of the high color temperature LED light emitting chips 211 and the low color temperature LED light emitting chips 221 connected in series with each other are all facing one end of the bracket 10, and the anodes of the low color temperature LED light emitting chips 221 connected in series with each other are facing the opposite end of the bracket 10, that is, the installation directions of the light emitting chips in the corresponding first light string 21 and the second light string 22 are just opposite, so that when the light strings 20 are powered by ac power, in the positive half cycle of the ac power, one light string is turned on in the positive direction to be lighted, and the other light string is turned off in the reverse direction, and in the negative half cycle of the ac power, the other light string is turned on in the positive direction to be lighted.
Optionally, the number of the plurality of mutually serially connected high color temperature LED light emitting chips 211 sequentially attached to the bracket 10 at intervals is equal to the number of the corresponding plurality of mutually serially connected low color temperature LED light emitting chips 221, and in other embodiments, the corresponding numbers of the two may also be different, which is not limited in this application.
Optionally, the working voltage of the high color temperature LED light emitting chip 211 may be one of 5.7V to 6.4V, the working voltage of the low color temperature LED light emitting chip 221 may be one of 2.7V to 3.4V, and accordingly, the working voltage of the first light string 21 composed of the plurality of high color temperature LED light emitting chips 211 connected in series is different from the working voltage of the second light string 22 composed of the plurality of low color temperature LED light emitting chips 221 connected in series, and the working voltages of the first light string 21 and the second light string 22 are both one of 3V to 240V alternating currents, wherein the number of the light emitting chips connected in series in the first light string 21 and the second light string 22 may be reasonably set as required to implement different working voltages.
Optionally, the first string of lights 21 and the second string of lights 22 are electrically connected to the pin 30 together after being connected in parallel, so as to control the lights of the first string of lights 21 and the second string of lights 22 simultaneously.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a multi-color temperature filament according to a second embodiment of the present application. It can be understood that the multi-color temperature filament in the present embodiment is different from the multi-color temperature filament in fig. 1 in that the pin 30 further includes a first pin 31 and a second pin 32.
The first pin 31 is connected to two ends of the bracket 10, the second pin 32 is also connected to two ends of the bracket 10, the first light string 21 is electrically connected to the first pin 31, the second light string 22 is electrically connected to the second pin 32, and the wiring of the first light string 21 and the first pin 31 is independent of the wiring of the second light string 22 and the second pin 32, so that the first pin 31 and the second pin 32 can be connected to the same or different power supplies respectively, thereby realizing synchronous control or independent control of the first light string 21 and the second light string 22 respectively.
Referring to fig. 3 to fig. 4, fig. 3 is a schematic structural diagram of a third embodiment of the multi-color temperature filament of the present application, and fig. 4 is a schematic structural diagram of a fourth embodiment of the multi-color temperature filament of the present application. It can be understood that the multi-color temperature filament in the present embodiment is different from the multi-color temperature filament in fig. 1 in that the multi-color temperature filament further includes a protective resistor 40.
The first light string 21 and the second light string 22 may be connected to the protection resistor 40 through bonding wires, and further electrically connected to the pin 30 through the protection resistor 40, or the first light string 21 is electrically connected to the pin 30 through the protection resistor 40 after being connected in parallel with the second light string 22.
Optionally, the protection resistor 40 is a voltage dependent resistor for protecting the first string of lights 21 and the second string of lights 22 from being damaged by transient over-current or over-voltage generated by the external power source. In other embodiments, the resistance of the protection resistor 40 connected to the two ends of the first string light 21 and the second string light 22 may also be different, and may be an adjustable resistor, so as to adjust the voltage value applied to the two ends of the first string light 21 and the second string light 22, so as to match the operating voltage of the first string light 21 and the second string light 22.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a fifth embodiment of the multi-color temperature filament according to the present application. It can be understood that the multi-color temperature filament in the present embodiment is different from the multi-color temperature filament in fig. 2 in that the multi-color temperature filament further includes a protective resistor 40.
The first string of lights 21 and the second string of lights 22 are respectively connected to the protection resistor 40 through bonding wires, and further electrically connected to the first pin 31 and the second pin 32 through the protection resistor 40 and the bonding wires.
Please refer to fig. 6-7, wherein fig. 6 is a schematic structural diagram of a sixth embodiment of the multi-color temperature filament of the present application, and fig. 7 is a schematic structural diagram of a seventh embodiment of the multi-color temperature filament of the present application. It will be appreciated that the multi-color temperature filament of fig. 6 differs from the multi-color temperature filament of fig. 1 in that the multi-color temperature filament further includes an encapsulation layer 50, and that the multi-color temperature filament of fig. 7 differs from the multi-color temperature filament of fig. 2 in that the multi-color temperature filament further includes an encapsulation layer 50.
The package layer 50 covers the bracket 10 and the light string 20 disposed on the bracket 10, so as to protect the corresponding light emitting chip.
Optionally, the encapsulation material used for the encapsulation layer 50 may be any one or a combination of materials such as silicone, rubber, resin, and phosphor, which is not limited in this application.
Based on the general inventive concept, there is also provided a lighting device, wherein the lighting device comprises a multi-color warm filament as described in any of the above.
Unlike the state of the art, the multi-color temperature filament in the present application includes: the lamp string is attached to the bracket and at least comprises a first lamp string and a second lamp string, wherein the first lamp string and the second lamp string have different color temperatures and different working voltages; the plug pins are connected to two ends of the support, and the first light string and the second light string are connected to the plug pins respectively. In this way, the multi-color temperature filament in the application can effectively ensure the maintenance rate of the luminous flux of the more stable light source by pasting the two lamp strings with different color temperatures and different working voltages on one support, effectively prolong the service life and the reliability of the LED filament, and reduce the cost and the production period of the corresponding manufacturing process.
The above description is only an embodiment of the present application, and not intended to limit the scope of the present application, and all modifications that can be made by using equivalent structures or equivalent principles in the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are also included in the scope of the present application.
Claims (10)
1. A multi-color temperature filament, comprising:
a support;
the lamp string is attached to the bracket and at least comprises a first lamp string and a second lamp string, wherein the first lamp string and the second lamp string have different color temperatures and have different working voltages;
the plug pins are connected to two ends of the support, and the first light string and the second light string are respectively connected to the plug pins.
2. The multi-color incandescent filament of claim 1,
the first lamp string comprises a plurality of high-color-temperature LED light-emitting chips which are connected in series, and the second lamp string comprises a plurality of low-color-temperature LED light-emitting chips which are connected in series.
3. The multi-color incandescent filament of claim 2,
the number of the high-color-temperature LED light-emitting chips connected in series is equal to that of the low-color-temperature LED light-emitting chips connected in series.
4. The multi-color incandescent filament of claim 2,
the anodes of the plurality of high-color-temperature LED light-emitting chips which are connected in series face one end of the support, and the anodes of the plurality of low-color-temperature LED light-emitting chips which are connected in series face the opposite end of the support.
5. The multi-color incandescent filament of claim 2,
the working voltage of the high color temperature LED light-emitting chip is 5.7V-6.4V, and the working voltage of the low color temperature LED light-emitting chip is 2.7V-3.4V.
6. The multi-color incandescent filament of claim 1,
the first light string and the second light string are connected in parallel and are electrically connected to the plug pins together.
7. The multi-color incandescent filament of claim 1,
the pins comprise a first pin and a second pin, the first pin is connected to two ends of the support, the second pin is connected to two ends of the support, the first light string is electrically connected with the first pin, and the second light string is electrically connected with the second pin.
8. The multi-color incandescent filament of claim 1,
the multi-color temperature filament further comprises a protection resistor, and the first light string and the second light string are electrically connected to the pins through the protection resistor.
9. The multi-color incandescent filament of claim 1,
the multi-color-temperature filament further comprises a packaging layer, and the packaging layer covers the support and the lamp string arranged on the support.
10. A lighting device comprising a multi-filament as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020390072.2U CN211455684U (en) | 2020-03-24 | 2020-03-24 | Multi-color warm filament and lighting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020390072.2U CN211455684U (en) | 2020-03-24 | 2020-03-24 | Multi-color warm filament and lighting device |
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| CN211455684U true CN211455684U (en) | 2020-09-08 |
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| CN202020390072.2U Active CN211455684U (en) | 2020-03-24 | 2020-03-24 | Multi-color warm filament and lighting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
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2020
- 2020-03-24 CN CN202020390072.2U patent/CN211455684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
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