CN219938604U - Flexible circuit board and flexible lamp strip - Google Patents
Flexible circuit board and flexible lamp strip Download PDFInfo
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- CN219938604U CN219938604U CN202320965482.9U CN202320965482U CN219938604U CN 219938604 U CN219938604 U CN 219938604U CN 202320965482 U CN202320965482 U CN 202320965482U CN 219938604 U CN219938604 U CN 219938604U
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- circuit board
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- 230000001681 protective effect Effects 0.000 claims description 21
- 238000005452 bending Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000003466 welding Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 206010010356 Congenital anomaly Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Abstract
The utility model discloses a flexible circuit board, and relates to the technical field of flexible lamp bands; the flexible circuit board comprises at least two groups of circuit units and a flexible circuit board connected with the circuit units; the circuit unit comprises a hard circuit board and a plurality of electronic elements which are arranged on the hard circuit board and/or are arranged on the flexible circuit board opposite to the hard circuit board; the circuit units are arranged at intervals along the length direction of the flexible circuit board; a connecting section is formed on the flexible circuit board at the interval between two adjacent circuit units, and the connecting section is bent towards one side far away from the hard circuit board and is arched; the embodiment also provides a flexible light strip, which comprises the flexible circuit board; the technical scheme provided by the utility model effectively improves the bending amplitude and bending resistance of the lamp strip.
Description
Technical Field
The utility model relates to the technical field of flexible lamp strips, in particular to a flexible circuit board and a flexible lamp strip.
Background
In recent years, flexible lamp belts have been widely used and popularized in the fields of outdoor construction, landscape lighting, interior decoration and the like. The flexible lamp strip generally adopts a flexible circuit board (FPC for short), LED lamp beads and other electronic components are welded on the FPC in a paster mode, and the length of a single lamp strip is generally 5m, 10m or longer.
In the practical application process, the flexible lamp strip structure has the problem of insufficient congenital bending resistance or twisting mechanical strength, so that the welding pins of electronic components such as lamp beads or ICs (integrated circuits) are often unwelded in the installation and subsequent use processes, thereby generating defects and causing frequent quality problems; the frequent occurrence of the bad problems not only indirectly increases the cost of the lamp strip, but also prolongs the construction period of projects and increases the maintenance cost of the lamp strip.
Disclosure of Invention
The utility model aims to provide a flexible circuit board and a flexible lamp strip so as to solve at least one technical problem.
In order to solve the technical problems, the present utility model provides a flexible circuit board and a flexible light strip, and in a first aspect, the present utility model provides a flexible circuit board, which includes at least two groups of circuit units and a flexible circuit board connected to the circuit units;
the circuit unit comprises a hard circuit board and a plurality of electronic elements which are arranged on the hard circuit board and/or are arranged on the flexible circuit board opposite to the hard circuit board;
the circuit units are arranged at intervals along the length direction of the flexible circuit board;
a connecting section is formed on the flexible circuit board at the interval of two adjacent circuit units, and the connecting section is bent towards one side far away from the hard circuit board and is arched;
in the implementation process, the scheme adopts a mode of combining the hard circuit board and the flexible circuit board, and the electronic element is arranged in the coverage area of the hard circuit board, namely, the electronic element can be arranged on the hard circuit board or can be arranged on the flexible circuit board relative to the hard circuit board, and then a plurality of circuit units which are arranged at intervals are connected through the flexible circuit board, namely, the electronic element is connected with the hard circuit board through the flexible circuit board to play a role of conducting a circuit; because the electronic components are positioned in the coverage area of the hard circuit board, the hard circuit board is provided with a certain strength to protect the electronic components and the welding pins thereof from being damaged, so that the probability of off-welding is greatly reduced, the service life of the product is prolonged, and the service quality of the product is ensured; in addition, realize connecting through flexible line way board, and further carry out further improvement at the flexible line way board of the junction of two adjacent circuit units, make the linkage segment crooked form arch form, the flexible line way board that is arch form can possess more when crooked and drag the space, and then can guarantee its bendability when being used for on the lamp area, effectively promote the flexible range simultaneously, promote bending resistance ability.
Preferably, the plurality of circuit units are arranged at equal intervals along the length direction of the flexible circuit board;
in the implementation process, the circuit units are arranged at equal intervals, so that the circuit units are regularly distributed, and further, the adjustment by subsequent staff is more convenient.
Preferably, the flexible connection wire is connected to two adjacent hard circuit boards and is located at one side of the hard circuit boards, which is opposite to the flexible circuit boards.
In the implementation process, the flexible connecting wires can play a role in positioning, for example, the hard circuit boards can be distributed at equal intervals by arranging the flexible connecting wires with the same length for connection; meanwhile, the electrical performance of the circuit board can be enhanced by further arranging the flexible connecting wire, for example, the flexible connecting wire is used as a main wire of overcurrent, and can pass larger current, so that the length of the lamp strip can be longer in the application of the flexible lamp strip.
Preferably, the flexible circuit board covers the hard circuit board in the length direction;
in the implementation process, the flexible circuit board is arranged in a large range, so that the connection strength between the flexible circuit board and the hard circuit board can be enhanced, meanwhile, the design of circuit connection is facilitated, and the normal operation of the lamp strip is further ensured.
In a second aspect, the present utility model provides a flexible light strip comprising any of the flexible circuit boards described above;
the protective sleeve is coated on the periphery of the flexible circuit board;
in the implementation process, the protective sleeve can wrap the flexible circuit board in an extrusion mode with the flexible circuit board, and can be installed in other assembly modes.
Preferably, the protective sleeve comprises a main body part and a light transmission part, and the light transmission part is matched with the main body part to form an accommodating space suitable for accommodating the flexible circuit board.
Preferably, the cross section of the light-transmitting part is trapezoid, and one side close to the flexible circuit board is a short side;
in the implementation process, the light-transmitting part which is trapezoid can increase the scattering area of the light source, and the light-emitting effect of the lamp strip is improved.
Preferably, a supporting portion is formed on the inner wall of the main body portion in an extending manner, and the hard circuit board is adapted to abut against the supporting portion.
Preferably, the electronic component includes a light emitting element.
Preferably, the LED lamp further comprises a flexible positioning frame, wherein a plurality of through holes matched with the luminous elements are formed in the flexible positioning frame along the length direction of the flexible positioning frame, and the luminous elements are suitable for being embedded into the through holes;
the outer side wall of the flexible positioning frame is suitable for being abutted against the inner side wall of the protective sleeve;
in the implementation process, the flexible positioning frame is matched with the protective sleeve to realize position fixing, and the light-emitting element is embedded on the flexible positioning frame to realize positioning, so that the stability of the internal structure of the protective sleeve can be ensured; the flexible locating rack can not influence the free bending of the lamp strip, so that the flexible lamp strip can be ensured to keep the bending performance.
Compared with the prior art, the utility model has the beneficial effects that: this scheme realizes connecting through flexible line way board, and further carries out further improvement at the flexible line way board of the junction of two adjacent circuit units, makes the linkage segment crooked formation arch form, and the flexible line way board that is arch form can possess more when crooked and drag the space, and then can guarantee its bendability when being used for the lamp area, effectively promotes the flexible range simultaneously, promotes the bending resistance performance.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of a portion of an embodiment of the present utility model;
FIG. 3 is a schematic end view of an embodiment of the present utility model;
FIG. 4 is a schematic view of a portion of an embodiment of the present utility model;
FIG. 5 is a schematic view of a portion of an embodiment of the present utility model;
wherein: 10. a protective sleeve; 11. a light transmitting portion; 12. a main body portion; 13. an end cap; 14. a support part; 20. a circuit unit; 21. a hard wiring board; 22. a light emitting element; 30. a flexible positioning frame; 40. a flexible circuit board; 41. a connection section; 50. and a flexible connecting wire.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "side," "front," "rear," and the like indicate an orientation or a positional relationship based on installation, and are merely for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone.
It should be further noted that, in the embodiments of the present utility model, the same reference numerals denote the same components or the same parts, and for the same parts in the embodiments of the present utility model, reference numerals may be given to only one of the parts or the parts in the drawings, and it should be understood that, for other same parts or parts, the reference numerals are equally applicable.
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
examples
In the practical application process, the flexible lamp strip structure has the problem of insufficient congenital bending resistance or twisting mechanical strength, so that the welding pins of electronic components such as lamp beads or ICs (integrated circuits) are often unwelded in the installation and subsequent use processes, thereby generating defects and causing frequent quality problems; the frequent occurrence of the bad problems not only indirectly increases the cost of the lamp strip, but also prolongs the construction period of projects and increases the maintenance cost of the lamp strip; in order to solve the above technical problems, the present embodiment provides the following technical solutions:
referring to fig. 1-5, the present embodiment provides a flexible circuit board, which includes at least two groups of circuit units 20, and a flexible circuit board 40 connected to the circuit units 20;
specifically, the circuit unit 20 includes a hard circuit board 21, and a plurality of electronic components disposed on the hard circuit board 21 and/or disposed on the flexible circuit board 40 opposite to the hard circuit board 21;
further, the circuit units 20 are arranged at intervals along the length direction of the flexible circuit board 40;
specifically, a connection section 41 is formed on the flexible wiring board 40 at a space between two adjacent circuit units 20, and the connection section 41 is curved and arched toward a side away from the hard wiring board 21;
in the above-mentioned scheme, the method of combining the hard circuit board 21 and the flexible circuit board 40 is adopted, the electronic components are in the coverage area of the hard circuit board 21, i.e. the electronic components can be arranged on the hard circuit board 21, or can be arranged on the flexible circuit board 40 relative to the hard circuit board 21, and then the circuit units 20 arranged at intervals are connected through the flexible circuit board 40, i.e. the hard circuit board 21 is connected through the flexible circuit board 40 to perform the function of circuit conduction; because the electronic components are positioned in the coverage area of the hard circuit board 21, the hard circuit board 21 has certain strength, so that the electronic components and the welding pins thereof can be protected from being damaged, the probability of desoldering is greatly reduced, the service life of the product is prolonged, and the service quality of the product is ensured; in addition, the connection is realized through the flexible circuit board 40, and the flexible circuit board 40 at the joint of two adjacent circuit units 20 is further improved, so that the connecting section 41 is bent to form an arch shape, and the arch-shaped flexible circuit board 40 can have more pulling space when being bent, so that the bending property of the flexible circuit board 40 can be ensured when the flexible circuit board is used on a lamp strip, and meanwhile, the bending amplitude and bending resistance are effectively improved.
It is understood that, if only the flexible circuit board is provided, the flexible circuit board is bendable in a vertical plane, but the bending in a horizontal plane is limited; however, in the scheme, the flexible circuit board is further arranged to be bent to be arched, so that not only can the bending of a vertical plane be realized, but also a bendable space is provided on a horizontal plane, and further, the two planes can be freely bent, and the purpose of being bent in a 3D space is achieved.
Specifically, the plurality of circuit units 20 are arranged at equal intervals along the length direction of the flexible wiring board 40;
in the above scheme, the plurality of circuit units 20 are arranged at equal intervals, so that the circuit units 20 are regularly arranged, and further convenience is brought to subsequent staff in adjustment.
It is understood that the plurality of circuit units 20 are not arranged at equal intervals.
Specifically, the flexible connection wire 50 is further included, and the flexible connection wire 50 is connected to two adjacent hard circuit boards 21 and located on a side of the hard circuit boards 21 facing away from the flexible circuit board 40.
In the above scheme, the flexible connection wires 50 can play a role in positioning, for example, the hard circuit boards 21 can be arranged at equal intervals by arranging the flexible connection wires 50 with the same length for connection; meanwhile, by further providing the flexible connection wire 50, the electrical performance of the circuit board can be enhanced, for example, the flexible connection wire 50 is used as a main line of overcurrent, and can pass larger current, so that in the application of the flexible lamp strip, the length of the lamp strip can be longer.
Specifically, the flexible circuit board 40 covers the hard circuit board 21 in the length direction thereof;
in the above scheme, the flexible circuit board 40 is arranged in a large range, so that the connection strength between the flexible circuit board 40 and the hard circuit board can be enhanced, meanwhile, the design of circuit connection is facilitated, and the normal operation of the lamp strip is further ensured.
The embodiment also provides a flexible light strip, which comprises the flexible circuit board and a protective sleeve 10, wherein the protective sleeve 10 is coated on the periphery of the flexible circuit board;
further, the protective sleeve 10 can be extruded from the flexible circuit board to wrap the flexible circuit board, or can be assembled by other assembly methods.
Specifically, in some embodiments, end caps 13 are provided at both ends of the protective cover 10.
In particular, the protective sleeve 10 may be a silicone sleeve, which is formed by a co-extrusion process, and of course, the protective sleeve 10 is not limited to a silicone sleeve, a plastic sleeve, or the like, and is not particularly limited herein. The shape of the cross section of the protective sheath 10 is not limited to rectangle, and may be circular, square, or the like.
Specifically, referring to fig. 3, the protective sleeve 10 includes a main body 12 and a light-transmitting portion 11, and the light-transmitting portion 11 cooperates with the main body 12 to form a receiving space adapted to receive the flexible circuit board;
further, the cross section of the light transmitting part 11 is trapezoid, and one side close to the flexible circuit board is a short side;
in the above scheme, the light-transmitting part 11 with a trapezoid shape can increase the scattering area of the light source and improve the light-emitting effect of the lamp strip.
It should be noted that the trapezoid is to be understood widely, that is, two edges connecting the long side and the short side of the trapezoid may be straight or curved, that is, the cross-section may be trapezoidal or approximately trapezoidal.
Specifically, a supporting portion 14 is formed on an inner wall of the main body 12 in an extending manner, and the hard wiring board 21 is adapted to abut against the supporting portion 14.
Preferably, the electronic component comprises a light emitting element 22.
Further, each hard circuit board 21 is correspondingly provided with one or more light emitting elements 22;
in some embodiments, the number of light emitting elements 22 per hard wiring board 21 is equal.
Specifically, the light-emitting device further comprises a flexible positioning frame 30, wherein a plurality of through holes matched with the light-emitting element 22 are formed in the flexible positioning frame 30 along the length direction of the flexible positioning frame, and the light-emitting element 22 is suitable for being embedded into the through holes;
specifically, the outer side wall of the flexible positioning frame 30 is adapted to abut against the inner side wall of the protective sleeve 10;
in the above scheme, the flexible positioning frame 30 is matched with the protective sleeve 10 to realize position fixing, and the light-emitting element 22 is embedded on the flexible positioning frame 30 to realize positioning, so that the stability of the internal structure of the protective sleeve 10 can be ensured; the flexible positioning frame 30 does not affect the free bending of the lamp strip, so that the flexible lamp strip can be ensured to keep the bending performance.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present utility model fall within the scope of the technical solutions of the present utility model.
Claims (10)
1. A flexible circuit board, characterized in that: the flexible circuit board comprises at least two groups of circuit units and a flexible circuit board connected with the circuit units;
the circuit unit comprises a hard circuit board and a plurality of electronic elements which are arranged on the hard circuit board and/or are arranged on the flexible circuit board opposite to the hard circuit board;
the circuit units are arranged at intervals along the length direction of the flexible circuit board;
and a connecting section is formed on the flexible circuit board at the interval between two adjacent circuit units, and the connecting section is bent towards one side far away from the hard circuit board and is arched.
2. The flexible circuit board of claim 1 wherein: the circuit units are arranged at equal intervals along the length direction of the flexible circuit board.
3. The flexible circuit board of claim 1 wherein: the flexible connecting wires are connected to two adjacent hard circuit boards and located on one side, opposite to the flexible circuit boards, of the hard circuit boards.
4. The flexible circuit board of claim 1 wherein: the flexible circuit board covers the hard circuit board in the length direction of the flexible circuit board.
5. A flexible light strip, characterized in that: comprising the flexible circuit board of any of claims 1-4;
and the protective sleeve is coated on the periphery of the flexible circuit board.
6. The flexible light strip of claim 5, wherein: the protective sleeve comprises a main body part and a light-transmitting part, wherein the light-transmitting part is matched with the main body part to form an accommodating space suitable for accommodating the flexible circuit board.
7. The flexible light strip of claim 6, wherein: the section of the light-transmitting part is trapezoid, and one side close to the flexible circuit board is a short side.
8. The flexible light strip of claim 6, wherein: the inner wall of the main body part is extended to form a supporting part, and the hard circuit board is suitable for being abutted against the supporting part.
9. The flexible light strip of claim 5, wherein: the electronic component includes a light emitting element.
10. The flexible light strip of claim 9, wherein: the LED lamp further comprises a flexible locating rack, wherein a plurality of through holes matched with the luminous elements are formed in the flexible locating rack along the length direction of the flexible locating rack, and the luminous elements are suitable for being embedded into the through holes;
the outer side wall of the flexible locating frame is suitable for being abutted against the inner side wall of the protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965482.9U CN219938604U (en) | 2023-04-24 | 2023-04-24 | Flexible circuit board and flexible lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965482.9U CN219938604U (en) | 2023-04-24 | 2023-04-24 | Flexible circuit board and flexible lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219938604U true CN219938604U (en) | 2023-10-31 |
Family
ID=88499434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320965482.9U Active CN219938604U (en) | 2023-04-24 | 2023-04-24 | Flexible circuit board and flexible lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219938604U (en) |
-
2023
- 2023-04-24 CN CN202320965482.9U patent/CN219938604U/en active Active
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