CN220858502U - Circuit board capable of balancing load power of head section and tail section - Google Patents
Circuit board capable of balancing load power of head section and tail section Download PDFInfo
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- CN220858502U CN220858502U CN202322533347.XU CN202322533347U CN220858502U CN 220858502 U CN220858502 U CN 220858502U CN 202322533347 U CN202322533347 U CN 202322533347U CN 220858502 U CN220858502 U CN 220858502U
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- 238000003466 welding Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 abstract 2
- 239000011324 bead Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The application discloses a circuit board capable of balancing load power of an end-to-end section, which is provided with a power supply, a load group, a first positive conducting bar, a first negative conducting bar, a second positive conducting bar and a second negative conducting bar, wherein the first ends of the first positive conducting bar and the second positive conducting bar are electrically connected with the positive electrode of the power supply, and the first ends of the first negative conducting bar and the second negative conducting bar are electrically connected with the negative electrode of the power supply; the tail end of the second positive conducting bar is electrically connected with the tail end of the first positive conducting bar, and the tail end of the second negative conducting bar is electrically connected with the tail end of the first negative conducting bar; the positive pole of every load of load group is connected with first positive conducting bar electricity through first wire, and the negative pole is connected with first negative conducting bar electricity through the second wire respectively, and the distance between the junction of positive pole and the first wire of every adjacent two loads equals, and the distance between the junction of negative pole and the second wire of every adjacent two loads equals for the power of two loads of head and tail section is close.
Description
Technical Field
The application relates to the technical field of circuit devices or systems for power supply or distribution, in particular to a circuit board capable of balancing load power of head and tail sections.
Background
When a plurality of loads which are sequentially connected in series along the length direction of the long-strip-shaped circuit board are arranged on the long-strip-shaped circuit board, for example, the LED long lamp strip, when the circuit board supplies power to the plurality of loads, the power of the plurality of loads can be reduced from the head end to the tail end one by one, and the running conditions of the plurality of loads are inconsistent.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a circuit board capable of balancing load power of head and tail sections, which adopts the following technical scheme:
A circuit board capable of balancing load power of head and tail sections, a power supply, a load group, a first conducting bar group and a second conducting bar group which are respectively and electrically connected with the power supply are arranged on the circuit board,
The first conducting bar group comprises a first positive conducting bar and a first negative conducting bar, the second conducting bar group comprises a second positive conducting bar and a second negative conducting bar, the head ends of the first positive conducting bar and the second positive conducting bar are electrically connected with the positive electrode of the power supply, and the head ends of the first negative conducting bar and the second negative conducting bar are electrically connected with the negative electrode of the power supply; the tail end of the second positive conducting bar is electrically connected with the tail end of the first positive conducting bar, and the tail end of the second negative conducting bar is electrically connected with the tail end of the first negative conducting bar;
The positive poles of each load group are respectively electrically connected with the first positive conducting bars, the negative poles of each load group are respectively electrically connected with the first negative conducting bars, the distances between the positive poles of every two adjacent load groups and the connecting positions of the first positive conducting bars are equal, and the distances between the negative poles of every two adjacent load groups and the connecting positions of the first negative conducting bars are equal.
Preferably, the load group includes a plurality of loads connected in series.
Preferably, the load group, the first conducting bar group and the second conducting bar group are sequentially arranged from top to bottom, the first positive conducting bar is arranged above the second positive conducting bar, and the first negative conducting bar is arranged above the second negative conducting bar.
Preferably, a welding hole is formed between two adjacent load groups, the positive electrode of each load group is electrically connected with the first positive conducting bar through the welding hole in front of the load group, and the negative electrode of each load group is electrically connected with the first negative conducting bar through the welding hole in rear of the load group.
Preferably, a first insulating film is arranged between the first conducting bar group and the second conducting bar group, and a second insulating film is arranged between the load group and the first conducting bar group.
Preferably, the circuit board is a flexible circuit board.
Preferably, the first positive conductive stripe and the first negative conductive stripe have the same resistivity.
Preferably, the first positive conducting bars and the first negative conducting bars are distributed at parallel intervals, the intervals between the first positive conducting bars and the first negative conducting bars are first intervals, the second positive conducting bars and the second negative conducting bars are distributed at parallel intervals, the intervals between the second positive conducting bars and the second negative conducting bars are second intervals, and the first intervals correspond to the second intervals vertically.
The utility model has the beneficial effects that:
The plurality of load groups are respectively connected with the first positive conducting bars and the first negative conducting bars, and meanwhile, the positive electrode of the power supply, the second positive conducting bars, the load groups, the second negative conducting bars and the negative electrode of the power supply are sequentially communicated to form a loop, and the current of the load of the tail section of the circuit board is supplemented, so that the power of the two loads of the head section and the tail section is similar, and the running conditions of the loads of the head section and the tail section are further guaranteed to be similar.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a cross-sectional view of a circuit board capable of balancing load power in the head-to-tail section according to an embodiment of the present application;
Fig. 2 is an overall structure diagram of a circuit board when the load is an LED lamp set in the embodiment of the present application.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1-2, an embodiment of the present application is provided, where a circuit board capable of balancing load power of a head-tail section includes:
the circuit board is provided with a power supply, a plurality of load groups 10, a first conducting bar group 20 and a second conducting bar group 30;
The first conducting bar group 20 comprises a first positive conducting bar 21 and a first negative conducting bar 22, the second conducting bar group 30 comprises a second positive conducting bar 31 and a second negative conducting bar 32, the head ends of the first positive conducting bar 21 and the second positive conducting bar 31 are electrically connected with the positive electrode of the power supply, and the head ends of the first negative conducting bar 22 and the second negative conducting bar 32 are electrically connected with the negative electrode of the power supply; the end of the second positive conducting bar 31 is electrically connected with the end of the first positive conducting bar 21, and the end of the second negative conducting bar 32 is electrically connected with the end of the first negative conducting bar 22; the positive electrode of each load group 10 is electrically connected with the first positive conducting bar 21, the negative electrode of each load group 10 is electrically connected with the first negative conducting bar 22, the distances between the positive electrodes of every two adjacent load groups 10 and the connecting positions of the first positive conducting bars 21 are equal, the distances between the negative electrodes of every two adjacent load groups 10 and the connecting positions of the first negative conducting bars 22 are equal, namely, the distances between the positive electrodes of all two adjacent load groups 10 and the connecting positions of the first positive conducting bars 21 are equal, and the distances between the negative electrodes of all two adjacent load groups 10 and the connecting positions of the first negative conducting bars 22 are equal. The load bank 10 comprises a plurality of loads 11 connected in series. The plurality of load groups are respectively connected with the first positive conducting bar 21 and the first negative conducting bar 22, and meanwhile, the positive electrode of the power supply, the second positive conducting bar 31, the load groups, the second negative conducting bar 32 and the negative electrode of the power supply are sequentially communicated to form a loop, and the current of the load of the tail section of the circuit board is supplemented, so that the power of the two load groups of the head section and the tail section is similar, and the consistent operation of the load groups of the head section and the tail section is further ensured.
In this embodiment, taking the load 11 as an example of an LED lamp bead, brightness consistency of two LED lamp groups at the head and tail sections can be ensured.
In this embodiment, the load group 10, the first conducting bar group 20 and the second conducting bar group 30 may be sequentially disposed on the circuit board from top to bottom, the first positive conducting bar 21 is disposed above the second positive conducting bar 31, the first negative conducting bar 22 is disposed above the second negative conducting bar 32, and then a first insulating film 50 is disposed between the first conducting bar group 20 and the second conducting bar group 30, and a second insulating film 60 is disposed between the load group 10 and the first conducting bar group 20.
Referring to the drawings, the first positive conductive bars 21 and the first negative conductive bars 22 are arranged at intervals in parallel, the intervals between the first positive conductive bars 21 and the first negative conductive bars 22 are first intervals, the intervals between the second positive conductive bars 31 and the second negative conductive bars 32 are arranged at intervals in parallel, the intervals between the second positive conductive bars 31 and the second negative conductive bars 32 are second intervals, and the first intervals vertically correspond to the second intervals.
Furthermore, a welding hole 40 is arranged between two adjacent load groups, the positive electrode of each load group is electrically connected with the first positive conducting bar 21 through the welding hole 40 in front of the load group, and the negative electrode of each load group is electrically connected with the first negative conducting bar 22 through the welding hole 40 in rear of the load group, so that the manufacturing of a circuit board is facilitated.
In this embodiment, taking the load 11 as an LED lamp bead as an example, the circuit board is a flexible circuit board, two adjacent LED lamp groups share one welding hole 40 for connection, and the circuit board can be cut between the welding holes between the two adjacent LED lamp groups; if the ends of the second positive conductive bar 31 and the first positive conductive bar 21, the ends of the second negative conductive bar 32 and the ends of the first negative conductive bar 22 are cut off to cause an open circuit, a wire or a solder connector may be connected between the ends of the second positive conductive bar 31 and the ends of the first positive conductive bar 21 and between the ends of the second negative conductive bar 32 and the ends of the first negative conductive bar 22, respectively, to form a loop.
When the load 11 is an LED lamp bead, the circuit board comprises a bottom film 70, a plurality of circuit boards 80 for connecting the LED lamp beads in series are arranged on the second insulating film 40, a mask 90 is arranged on the circuit boards 80, a through hole for passing through a load terminal and a first opening for exposing a welding hole are formed in the mask 90 so as to facilitate cutting, and pins of the LED lamp set are mounted on the circuit board through the through holes in the mask 90.
Further, the electric resistivity of the first positive conducting bar 21 and the electric resistivity of the first negative conducting bar 22 are the same, so that the power of the two load groups of the head section and the tail section are effectively ensured to be similar.
Based on the above, the distances between the positive poles of every two adjacent load groups and the connection position of the first positive conducting bar are equal, and the distances between the negative poles of every two adjacent load groups and the connection position of the first negative conducting bar are equal, so that the power similarity of the two load groups at the head section and the tail section is effectively ensured.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (8)
1. The circuit board capable of balancing load power of the head section and the tail section is characterized in that a power supply, a plurality of load groups (10), a first conducting bar group (20) and a second conducting bar group (30) are arranged on the circuit board;
The first conducting bar group (20) comprises a first positive conducting bar (21) and a first negative conducting bar (22), the second conducting bar group (30) comprises a second positive conducting bar (31) and a second negative conducting bar (32), the head ends of the first positive conducting bar (21) and the second positive conducting bar (31) are electrically connected with the positive electrode of the power supply, and the head ends of the first negative conducting bar (22) and the second negative conducting bar (32) are electrically connected with the negative electrode of the power supply; the tail end of the second positive conducting bar (31) is electrically connected with the tail end of the first positive conducting bar (21), and the tail end of the second negative conducting bar (32) is electrically connected with the tail end of the first negative conducting bar (22);
The positive poles of each load group (10) are respectively and electrically connected with the first positive conducting bars (21), the negative poles of each load group (10) are respectively and electrically connected with the first negative conducting bars (22), the distances between the positive poles of every two adjacent load groups (10) and the connecting positions of the first positive conducting bars (21) are equal, and the distances between the negative poles of every two adjacent load groups (10) and the connecting positions of the first negative conducting bars (22) are equal.
2. A circuit board capable of balancing end-to-end load power according to claim 1, characterized in that the load group (10) comprises a plurality of loads (11) connected in series.
3. The circuit board capable of balancing load power of an end-to-end section according to claim 1, wherein the load group (10), the first conducting bar group (20) and the second conducting bar group (30) are sequentially arranged from top to bottom, the first positive conducting bar (21) is arranged above the second positive conducting bar (31), and the first negative conducting bar (22) is arranged above the second negative conducting bar (32).
4. A circuit board capable of balancing load power of head and tail sections according to claim 3, characterized in that a welding hole (40) is arranged between two adjacent load groups, the positive electrode of each load group is electrically connected with the first positive conducting bar (21) through the welding hole (40) in front of the load group, and the negative electrode of each load group is electrically connected with the first negative conducting bar (22) through the welding hole (40) in rear of the load group.
5. A circuit board capable of balancing load power of head and tail sections according to claim 3, characterized in that a first insulating film (50) is arranged between the first conducting bar group (20) and the second conducting bar group (30), and a second insulating film (60) is arranged between the load group (10) and the first conducting bar group (20).
6. A circuit board for balancing head-to-tail load power according to claim 3, wherein said circuit board is a flexible circuit board.
7. A circuit board capable of balancing load power in the head-to-tail section according to claim 1, characterized in that the first positive conducting bar (21) and the first negative conducting bar (22) have the same resistivity.
8. The circuit board capable of balancing load power of the head-tail section according to claim 1, wherein the first positive conducting bars (21) and the first negative conducting bars (22) are distributed at intervals in parallel, the interval between the first positive conducting bars (21) and the first negative conducting bars (22) is a first interval, the interval between the second positive conducting bars (31) and the second negative conducting bars (32) is distributed at intervals in parallel, and the interval between the second positive conducting bars (31) and the second negative conducting bars (32) is a second interval, and the first interval corresponds to the second interval up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533347.XU CN220858502U (en) | 2023-09-18 | 2023-09-18 | Circuit board capable of balancing load power of head section and tail section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533347.XU CN220858502U (en) | 2023-09-18 | 2023-09-18 | Circuit board capable of balancing load power of head section and tail section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220858502U true CN220858502U (en) | 2024-04-26 |
Family
ID=90782752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322533347.XU Active CN220858502U (en) | 2023-09-18 | 2023-09-18 | Circuit board capable of balancing load power of head section and tail section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220858502U (en) |
-
2023
- 2023-09-18 CN CN202322533347.XU patent/CN220858502U/en active Active
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