CN213177757U - Alternating current LED lamp filament - Google Patents
Alternating current LED lamp filament Download PDFInfo
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- CN213177757U CN213177757U CN202022217458.6U CN202022217458U CN213177757U CN 213177757 U CN213177757 U CN 213177757U CN 202022217458 U CN202022217458 U CN 202022217458U CN 213177757 U CN213177757 U CN 213177757U
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- limiting resistor
- emitting diode
- conducting
- rectifier diode
- current limiting
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Abstract
The utility model discloses an exchange LED filament, it includes base plate, rectifier diode, emitting diode, and the base plate both ends are equipped with binding post, are equipped with two conducting circuits on the base plate, and the conducting circuit both ends are all connected with external power source through at least one rectifier diode, and the rectifier diode of same conducting circuit both ends sets up in reverse, and the rectifier diode who connects different conducting circuits on same binding post is each other reverse setting, and emitting diode connects two conducting circuits. At least one end of the light emitting diode is connected with the two conducting circuits through a first current limiting resistor 6, and/or at least one wiring terminal is connected with external commercial power through a second current limiting resistor 7. The utility model discloses a binding post passes through the conducting wire that rectifier diode connection corresponds and promotes reverse pressure resistance by a wide margin, and the filament structure can directly insert going on of the convenient subsequent processing of commercial power, does benefit to mechanized automatic processing filament, has promoted machining efficiency by a wide margin.
Description
Technical Field
The utility model relates to a LED lamps and lanterns field especially relates to an exchange LED filament.
Background
The LED lamp is focused on its advantages of energy saving, durability and environmental protection, and is becoming a new generation light source to be popularized and applied. The LED lamp aims at the problems that the traditional direct current LED light-emitting device is high in manufacturing cost, influences the service life of the lamp, consumes excessive power of the power supply and the like due to the fact that the direct current power supply is needed.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide an exchange LED filament.
The utility model adopts the technical proposal that:
the utility model provides an exchange LED filament, its includes base plate, rectifier diode, emitting diode, and the base plate both ends are equipped with binding post, are equipped with two conducting wires on the base plate, and the conducting wire both ends are all connected with external power source through at least one rectifier diode, and the rectifier diode of same conducting wire both ends sets up in the reverse direction, and the rectifier diode who connects different conducting wires on same binding post is reverse setting each other, and emitting diode connects two conducting wires. At least one end of the light emitting diode is connected with the two conductive circuits through a first current limiting resistor, or at least one wiring terminal is connected to external commercial power through a second current limiting resistor; or at least one end of the light emitting diode is connected with the two conducting circuits through the first current limiting resistor, and at least one wiring terminal is connected to external commercial power through the second current limiting resistor.
Further, more than two light emitting diodes are connected in parallel or in series in the same direction.
Furthermore, the light emitting diode comprises more than two second LED chips which are connected in series in the same direction.
Further, the substrate is a ceramic circuit board.
Further, the conductive circuit is a printed circuit.
The utility model adopts the above technical scheme, print two printed circuit on ceramic substrate to constitute rectifier circuit by a plurality of rectifier diode, emitting diode connects the luminous illumination of realizing using alternating current power supply between two printed circuit. The connecting terminal of the utility model is connected with the corresponding conductive circuit through the rectifier diode to greatly improve the reverse pressure resistance; the cost is further reduced, and the reliability of the product is enhanced. Meanwhile, the first current-limiting resistor and/or the second current-limiting resistor are/is added, so that the filament can be directly connected to a mains supply, no matter 110V or 220V, and the current is guaranteed not to exceed the rated working current of the light-emitting diode under the action of the current-limiting resistor. Because the filament structure can direct access commercial power, the going on of convenient subsequent processing does benefit to mechanized automatic processing filament, has promoted machining efficiency by a wide margin. The utility model discloses simple structure, low cost, production efficiency is high, is applicable to the alternating current power supply occasion. The price of the finished product of the utility model is about 40 to 60 percent lower than that of other lamps which need AC-DC conversion.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic structural diagram of a first embodiment of an ac LED filament according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of an ac LED filament according to the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the ac LED filament according to the present invention.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1, this embodiment discloses an alternating current LED filament, which includes a substrate 1, rectifier diodes 4, and light emitting diodes 5, wherein two terminals 2 are disposed at two ends of the substrate 1, two conductive circuits 3 are disposed on the substrate 1, two ends of each conductive circuit 3 are respectively connected to one terminal 2 through at least one rectifier diode 4, the rectifier diodes 4 at two ends of the same conductive circuit 3 are arranged in opposite directions, the rectifier diodes 4 connected to different conductive circuits 3 on the same terminal 2 are arranged in opposite directions, and the light emitting diodes 5 are connected between the two conductive circuits 3.
At least one end of the light emitting diode is connected with the two conducting circuits through the first current limiting resistor 6, and the wiring terminal is connected with external commercial power.
Specifically, the forward voltage drop of a Light Emitting Diode (LED) is relatively large, generally about 1.8V to 3.5V, the voltage drop of a rectifier diode is only about 0.7V, the minimum voltage drop of the diode can reach 0.2V, and the voltage drop of a high-current rectifier diode is only about 1V to 1.3V. The working current of the light-emitting diode is relatively small, the working current of the low-power light-emitting diode is about 10 mA-20 mA, the maximum working current of the high-power light-emitting diode is about 1A, and the current of the rectifier diode can reach dozens of A, hundreds of A or even thousands of A. The light emitting diode can only be applied to the occasions with smaller load current, and the working current is smaller and is generally about 20 mA. The reverse breakdown voltage of the rectifier diode is large, which is beneficial to protecting the whole circuit.
More than two light-emitting diodes are connected in series in the same direction.
The substrate 1 is a ceramic circuit board.
The conductive line 3 is a printed circuit.
In the first embodiment, two printed circuits are printed on a ceramic substrate, a rectifier circuit is formed by a plurality of rectifier diodes 4, and more than two light emitting diodes are connected in series in the same direction between the two printed circuits to realize light emitting illumination using an alternating current power supply. Meanwhile, the first current-limiting resistor 6 is additionally arranged at one end of the light-emitting diode, so that the filament can be directly connected to a mains supply, no matter 110V or 220V, and the current is guaranteed not to exceed the rated working current of the light-emitting diode under the action of the current-limiting resistor. Because the filament structure can direct access commercial power, the going on of convenient subsequent processing does benefit to mechanized automatic processing filament, has promoted machining efficiency by a wide margin.
The utility model discloses simple structure, low cost, production efficiency is high, is applicable to the alternating current power supply occasion. The price of the finished product of the utility model is about 30 to 50 percent lower than that of other lamps which need AC-DC conversion.
Example two:
as shown in fig. 2, the difference between the second embodiment and the first embodiment is: more than two light emitting diodes are connected in parallel in the same direction. At least one wiring terminal is connected to an external commercial power through a second current-limiting resistor 7;
in the second embodiment, two printed circuits are printed on a ceramic substrate, a rectifier circuit is formed by a plurality of rectifier diodes 4, and more than two light emitting diodes are connected in parallel between the two printed circuits in the same direction to realize light emitting illumination using an alternating current power supply.
Meanwhile, a second current-limiting resistor 7 is added to any wiring terminal, so that the filament can be directly connected to a mains supply, no matter 110V or 220V, and the current is guaranteed not to exceed the rated working current of the light-emitting diode under the action of the current-limiting resistor. Because the filament structure can direct access commercial power, the going on of convenient subsequent processing does benefit to mechanized automatic processing filament, has promoted machining efficiency by a wide margin.
The utility model discloses simple structure, low cost, production efficiency is high, is applicable to the alternating current power supply occasion. The price of the finished product of the utility model is about 30 to 50 percent lower than that of other lamps which need AC-DC conversion.
As shown in fig. 3, the difference between the third embodiment and the first embodiment is: at least one end of the light emitting diode is connected with the two conducting circuits through a first current limiting resistor 6, and at least one wiring terminal is connected with an external commercial power through a second current limiting resistor 7.
In the third embodiment, two printed circuits are printed on a ceramic substrate, a rectifying circuit is formed by a plurality of rectifying diodes 4, and meanwhile, the filament can be directly connected to a mains supply by adding a first current-limiting resistor 6 and a second current-limiting resistor 7, no matter 110V or 220V, and the current is ensured not to exceed the rated working current of the light-emitting diode under the action of the current-limiting resistor. Because the filament structure can direct access commercial power, the going on of convenient subsequent processing does benefit to mechanized automatic processing filament, has promoted machining efficiency by a wide margin.
The utility model adopts the above technical scheme, print two printed circuit on ceramic substrate to constitute rectifier circuit by a plurality of rectifier diode, emitting diode connects the luminous illumination of realizing using alternating current power supply between two printed circuit. The utility model discloses a binding post passes through rectifier diode and connects the conducting wire that corresponds and promote reverse pressure-resistant ability by a wide margin, further the cost is reduced, and the reliability of product is strengthened. Meanwhile, the first current limiting resistor 6 and/or the second current limiting resistor 7 are/is added, so that the filament can be directly connected to a mains supply, no matter 110V or 220V, and the current is guaranteed not to exceed the rated working current of the light emitting diode under the action of the current limiting resistors. Because the filament structure can direct access commercial power, the going on of convenient subsequent processing does benefit to mechanized automatic processing filament, has promoted machining efficiency by a wide margin. The utility model discloses simple structure, low cost, production efficiency is high, is applicable to the alternating current power supply occasion. The price of the finished product of the utility model is about 40 to 60 percent lower than that of other lamps which need AC-DC conversion.
Claims (5)
1. An alternating current LED filament comprises a substrate, rectifier diodes and light emitting diodes, wherein wiring terminals are arranged at two ends of the substrate, two conductive circuits are arranged on the substrate, two ends of each conductive circuit are respectively connected with one wiring terminal through at least one rectifier diode, the rectifier diodes at two ends of the same conductive circuit are arranged in a reverse direction, the rectifier diodes connected with different conductive circuits on the same wiring terminal are arranged in a reverse direction, and the light emitting diodes are connected with the two conductive circuits; the method is characterized in that: at least one end of the light emitting diode is connected with the two conductive circuits through a first current limiting resistor, or at least one wiring terminal is connected to external commercial power through a second current limiting resistor; or at least one end of the light emitting diode is connected with the two conducting circuits through the first current limiting resistor, and at least one wiring terminal is connected to external commercial power through the second current limiting resistor.
2. An alternating current LED filament according to claim 1, wherein: more than two light-emitting diodes are mutually connected in parallel or in series in the same direction.
3. An alternating current LED filament according to claim 1, wherein: the conductive circuit is a printed circuit.
4. An alternating current LED filament according to claim 1, wherein: the substrate is a ceramic circuit board.
5. An alternating current LED filament according to claim 1, wherein: the first current limiting resistor and the second current limiting resistor are both chip resistors.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217458.6U CN213177757U (en) | 2020-09-30 | 2020-09-30 | Alternating current LED lamp filament |
| US17/179,321 US11470701B2 (en) | 2020-09-22 | 2021-02-18 | Alternating current LED filament |
| FR2108884A FR3114474B3 (en) | 2020-09-22 | 2021-08-25 | AC LED FILAMENT |
| DE202021105064.0U DE202021105064U1 (en) | 2020-09-22 | 2021-09-20 | AC LED filament |
| US17/577,028 US11746964B2 (en) | 2020-09-22 | 2022-01-17 | LED bulb without driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217458.6U CN213177757U (en) | 2020-09-30 | 2020-09-30 | Alternating current LED lamp filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213177757U true CN213177757U (en) | 2021-05-11 |
Family
ID=75778159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022217458.6U Active CN213177757U (en) | 2020-09-22 | 2020-09-30 | Alternating current LED lamp filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213177757U (en) |
-
2020
- 2020-09-30 CN CN202022217458.6U patent/CN213177757U/en active Active
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