CN216010489U - LED lamp strip with multiple lamp beads connected in series and parallel - Google Patents
LED lamp strip with multiple lamp beads connected in series and parallel Download PDFInfo
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- CN216010489U CN216010489U CN202121918612.0U CN202121918612U CN216010489U CN 216010489 U CN216010489 U CN 216010489U CN 202121918612 U CN202121918612 U CN 202121918612U CN 216010489 U CN216010489 U CN 216010489U
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Abstract
The utility model relates to a multi-lamp-bead series-parallel combined LED lamp belt, in particular to a multi-lamp-bead series-parallel combined LED lamp belt, which is characterized in that at least one LED lamp bead with a resistor and one or more LED lamp beads without the resistor are welded on a circuit board to form a series-parallel combined circuit structure, or a plurality of LED lamp beads with the resistors are welded on the circuit board to form a series-parallel combined circuit structure, so that the LED lamp belt is manufactured.
Description
Technical Field
The utility model relates to the field of LEDs, in particular to an LED lamp strip with multiple lamp beads combined in series and parallel.
Background
The LED lamp strip manufactured by the prior art is manufactured by respectively welding a resistor and an LED lamp bead without the resistor on a circuit board, the resistor directly welded on the lamp strip cannot be too small, when the resistor is too small, the wire-to-wire interval of the used circuit board is very small, the precision requirement of the circuit board is very high, the cost of the circuit board is very high, and only the resistor with the surface area of 3 multiplied by 6 multiplied by 0.254mm2 can be used, so the cost of the resistor with large resistor is very high, and the cost of the lamp strip is high.
And after the resistor is directly welded on the lamp strip circuit board and occupies the space position of the circuit board, the welding density of the lamp beads on the circuit board is reduced, and the LED lamp strip with the lamp beads with high density cannot be manufactured.
The small-sized resistor is manufactured on the LED lamp beads by the technology of packaging the lamp beads, and then the lamp beads are used for manufacturing the lamp strip, so that the cost of the resistor is reduced, and meanwhile, the LED lamp strip with higher bead density can be manufactured.
A LED lamp strip with multiple lamp beads connected in series and in parallel manufactured by the following utility model is specifically manufactured as follows:
a LED lamp area that many lamp pearls cluster parallel combination includes: the LED lamp strip is characterized in that the lamp strip is formed by welding a plurality of lamp beads on a circuit board, the plurality of lamp beads form a circuit structure combining series connection and parallel connection on the lamp strip, the LED lamp bead integrated with the resistor and the chip is a layer-collected LED lamp bead formed by manufacturing the LED chip and the resistor on an LED support, the chip and the resistor on the support form series connection, the LED lamp bead only containing the chip is an LED lamp bead manufactured by manufacturing the LED chip on the LED support, the lamp strip comprises a plurality of LED lamp beads integrated with the resistor and the chip, the LED lamp beads are connected in series to form a series connection group, and the series connection groups are connected to a positive main line and a negative main line in parallel to form the manufactured LED lamp strip, or at least one LED lamp bead integrated with the resistor and the chip and at least one LED lamp bead containing the chip are connected in series to form a series connection group And the LED lamp strip is made by connecting a plurality of series groups to the positive and negative main lines in parallel.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a multi-lamp-bead series-parallel combined LED lamp belt, in particular to a multi-lamp-bead series-parallel combined LED lamp belt, which is characterized in that at least one LED lamp bead with a resistor and one or more LED lamp beads without the resistor are welded on a circuit board to form a series-parallel combined circuit structure, or a plurality of LED lamp beads with the resistors are welded on the circuit board to form a series-parallel combined circuit structure, so that the LED lamp belt is manufactured.
The utility model provides an LED lamp strip with multiple lamp beads connected in series and parallel, which comprises: the LED lamp beads integrating the resistors and the chips are arranged on the lamp strip, or the LED lamp beads integrating the resistors and the chips and the LED lamp beads only containing the chips are arranged on the lamp strip; a circuit board; the LED lamp strip is characterized in that the lamp strip is formed by welding a plurality of lamp beads on a circuit board, the lamp beads on the lamp strip form a circuit structure combining series connection and parallel connection, the LED lamp bead integrated with a resistor and a chip is an LED chip and a layer-collecting LED lamp bead manufactured on an LED support, the chip and the resistor on the support form series connection, the LED lamp bead only containing the chip is an LED lamp bead manufactured on the LED support only by the LED chip, the lamp strip comprises a plurality of LED lamp beads integrated with the resistor and the chip, the LED lamp beads are connected in series to form a series connection group, the series connection groups are connected in parallel to a positive pole main wire and a negative pole main wire, the manufactured LED lamp strip is formed, or at least one LED lamp bead integrated with the resistor and the chip and the LED lamp bead only containing the chip are connected in series to form a positive pole series connection group, and the plurality of series connection groups are connected in parallel to the negative pole main wire, and (5) manufacturing the LED lamp strip.
According to a preferred embodiment of the present invention, the LED strip with multiple beads connected in series and in parallel is characterized in that the LED chip is a forward LED chip or a flip LED chip.
According to a preferred embodiment of the present invention, the LED strip with multiple beads connected in series and in parallel is characterized in that the resistor is a chip resistor.
According to a preferred embodiment of the present invention, the LED strip with multiple beads connected in series and in parallel is characterized in that a double-sided tape is bonded to the back surface of the strip.
The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below.
Drawings
The features, objects, and advantages of the present invention will become more apparent from the description set forth below when taken in conjunction with the drawings, a brief description of which follows.
Fig. 1 is a schematic perspective view of a lamp bead support.
Fig. 2 is a schematic cross-sectional view of a lamp bead support.
FIG. 3 is a schematic cross-sectional view of a lamp bead with a front-mounted chip and a resistor connected in series.
Fig. 4 is a schematic cross-sectional view of a lamp bead with a flip chip and a resistor connected in series.
Fig. 5 is a schematic circuit diagram of a lamp strip manufactured by using a lamp bead with a resistor and a lamp bead without a resistor.
Fig. 6 is a schematic plan view of a multi-bead series-parallel combined bare lamp strip made of resistive beads and non-resistive beads.
Fig. 7 is a schematic circuit diagram of a lamp strip manufactured by using a lamp bead with a resistor.
Fig. 8 is a schematic view of a multi-bead series-parallel combined bare lamp strip manufactured by using lamp strips made of resistive lamp beads.
Fig. 9 is a schematic cross-sectional view of a LED strip with multiple beads connected in series and in parallel and provided with double-sided adhesive tape.
Detailed Description
The present invention will be described in detail below by taking preferred embodiments as examples.
It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.
Examples
1, manufacturing of lamp bead with resistor
1.1 preparation of resistor
On the prepared lamp bead support 1.1, solder paste is applied to the position where the resistor needs to be conducted through special equipment, then the resistor 1.2 is applied to the corresponding solder paste through the special equipment, and the resistor is welded on the lamp bead support through the solder paste through reflow soldering.
1.2, manufacturing of lamp beads
The prepared chip 1.3 is manufactured on the same lamp bead support 1.1 through a lamp bead production process, then a gold wire 1.4 is punched, packaging glue 1.5 is dripped, the chip is placed into an oven to be baked, after the packaging glue is cured, the chip and a resistor are connected in series on the lamp bead support, and a lamp bead 2.1 (shown in figures 1, 2 and 3) with the chip and the resistor connected in series is manufactured.
Or the flip chip 1.3a is manufactured on the same lamp bead support 1.1 through a lamp bead production process, then the packaging adhesive 1.5 is dripped, the lamp bead support is placed in an oven for baking, after the packaging adhesive is cured, the flip chip and the resistor are connected in series on the lamp bead support, and the lamp bead 2.1 (shown in figure 4) with the flip chip and the resistor connected in series is manufactured.
2, manufacturing of bare lamp strip
2.1 Lamp strip made of lamp bead with resistor and lamp bead without resistor
Through a traditional SMT (surface mount technology), the lamp beads 2.1 with the resistors and the lamp beads 2.2 without the resistors are welded on a circuit board by solder paste for 3.1, and the positive main line V + wiring position and the negative main line V-wiring position are exposed out of the front surface of the circuit board, so that the bare lamp strip with multiple lamp beads combined in series and parallel is manufactured (shown in figures 5 and 6).
2.2 Lamp strip made of lamp bead with resistor
Through a traditional SMT (surface mount technology), lamp beads 2.1 with resistors are welded on a circuit board 3.1 through solder paste, and the positive side of the lamp beads leaks a positive main line V + wiring position and a negative main line V-wiring position, so that a bare lamp strip with multiple lamp beads combined in series and parallel is manufactured (shown in figures 7 and 8).
3. Double-sided adhesive tape
A layer of double faced adhesive tape 4.1 is pasted on the back of a bare lamp strip with multiple lamp bead strings combined in parallel, so as to manufacture a LED lamp strip with multiple lamp bead strings combined in parallel (shown in figure 9) with double faced adhesive tape.
Description of the drawings: the lamp bead 2.2 without the resistor is an LED lamp bead only comprising a chip, and is a universal lamp bead purchased in the market.
The utility model is described in detail with reference to the accompanying drawings, which show a specific embodiment of a LED strip with multiple beads connected in series and parallel. It will be understood by those skilled in the art, however, that the foregoing is merely illustrative and descriptive of some specific embodiments and is not to be construed as limiting the scope of the utility model, especially the scope of the claims.
Claims (4)
1. A LED lamp area that many lamp pearls cluster parallel combination includes:
the LED lamp beads integrating the resistors and the chips are arranged on the lamp strip, or the LED lamp beads integrating the resistors and the chips and the LED lamp beads only containing the chips are arranged on the lamp strip;
a circuit board;
the LED lamp strip is characterized in that the lamp strip is formed by welding a plurality of lamp beads on a circuit board, the lamp beads on the lamp strip form a circuit structure combining series connection and parallel connection, the LED lamp bead integrated with a resistor and a chip is an LED chip and a layer-collecting LED lamp bead manufactured on an LED support, the chip and the resistor on the support form series connection, the LED lamp bead only containing the chip is an LED lamp bead manufactured on the LED support only by the LED chip, the lamp strip comprises a plurality of LED lamp beads integrated with the resistor and the chip, the LED lamp beads are connected in series to form a series connection group, the series connection groups are connected in parallel to a positive pole main wire and a negative pole main wire, the manufactured LED lamp strip is formed, or at least one LED lamp bead integrated with the resistor and the chip and the LED lamp bead only containing the chip are connected in series to form a positive pole series connection group, and the plurality of series connection groups are connected in parallel to the negative pole main wire, and (5) manufacturing the LED lamp strip.
2. The LED strip of claim 1, wherein said LED chip is a face-up LED chip or a flip LED chip.
3. The LED strip according to claim 1, wherein said resistor is a chip resistor.
4. The LED lamp strip with multiple lamp beads connected in series and parallel according to claim 1, wherein a double-sided adhesive tape is bonded to the back surface of the lamp strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918612.0U CN216010489U (en) | 2021-08-12 | 2021-08-12 | LED lamp strip with multiple lamp beads connected in series and parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918612.0U CN216010489U (en) | 2021-08-12 | 2021-08-12 | LED lamp strip with multiple lamp beads connected in series and parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216010489U true CN216010489U (en) | 2022-03-11 |
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ID=80527783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121918612.0U Active CN216010489U (en) | 2021-08-12 | 2021-08-12 | LED lamp strip with multiple lamp beads connected in series and parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216010489U (en) |
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2021
- 2021-08-12 CN CN202121918612.0U patent/CN216010489U/en active Active
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