CN220135254U - Lamp strip and section lamp - Google Patents
Lamp strip and section lamp Download PDFInfo
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- CN220135254U CN220135254U CN202321538144.3U CN202321538144U CN220135254U CN 220135254 U CN220135254 U CN 220135254U CN 202321538144 U CN202321538144 U CN 202321538144U CN 220135254 U CN220135254 U CN 220135254U
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- 239000011324 bead Substances 0.000 claims abstract description 155
- 239000000758 substrate Substances 0.000 claims abstract description 59
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 11
- 230000002441 reversible effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a lamp strip and a section lamp, wherein the lamp strip comprises a substrate and a plurality of lamp groups, and a plurality of electric connection positions which are arranged at intervals are arranged on the substrate; the LED lamp comprises a substrate, a plurality of lamp groups, a plurality of electric connection positions, a plurality of LED lamp beads, a plurality of lamp groups, a plurality of external circuits and a plurality of external circuits, wherein the lamp groups are arranged on the substrate at intervals, the lamp groups are connected in parallel to form a first circuit, the lamp groups comprise first LED lamp beads and second LED lamp beads, the first LED lamp beads and the second LED lamp beads are connected in parallel to form a second circuit, the polarities of the first LED lamp beads and the second LED lamp beads are opposite, and one of the electric connection positions is electrically connected to the first circuit and the external circuit respectively. The technical scheme of the utility model can improve the universality and adaptability of the section lamp.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a lamp strip and a section lamp.
Background
For convenient illumination, cabinet, wardrobe and show cupboard etc. its cabinet wall often paste section bar lamp such as lamp strip, base plate or lamp area, but the LED lamp pearl in the lamp strip has the branch of just, negative pole, in case the circuit connects the reflection, can lead to whole lamp strip trouble unable the brightening, so section bar lamp in the actual installation, need constantly pay attention to the positive and negative pole of circuit, reduce the possibility of connecing the reflection, so then lead to section bar lamp efficiency when the wiring installation lower, the installation is inconvenient for section bar lamp's commonality and adaptability reduce.
Disclosure of Invention
The utility model mainly aims to provide a lamp strip which aims to improve the universality and the adaptability of a section lamp.
In order to achieve the above object, the present utility model provides a light bar comprising:
a substrate;
a plurality of lamp groups which are arranged on the substrate at intervals along the length direction of the substrate, wherein the lamp groups are connected in parallel to form a first circuit, the lamp groups comprise a first LED lamp bead and a second LED lamp bead, the first LED lamp beads and the second LED lamp beads are connected in parallel to form a second circuit, and the polarities of the first LED lamp beads and the second LED lamp beads are opposite;
the lamp strip is at least provided with an electric connection bit group at two ends of the substrate respectively, the electric connection bit group comprises a first connection bit connected with the first end of the first circuit and a second connection bit connected with the second end of the first circuit, the first connection bit of each electric connection bit group is arranged at one side of the width direction of the substrate, the second connection bit is arranged at the other side of the width direction of the substrate, and the electric connection bit groups are used for supplying power for plug connection.
Optionally, each of the second circuits is connected in series with a protection resistor.
Optionally, the first LED light beads and the second LED light beads are arranged along the width direction of the substrate, so that a first LED light bead row and a second LED light bead row are formed on the substrate in parallel.
Optionally, the first LED light beads and the second LED light beads are arranged along the length direction of the substrate, and the first LED light beads and the second LED light beads are alternately arranged along the length direction of the substrate.
Optionally, the electrical connection groups are arranged at intervals in the length direction of the substrate, and the electrical connection groups are arranged in one-to-one correspondence with the lamp groups.
Optionally, the second circuit includes a first shunt and a second shunt that are parallel to each other, the first LED lamp bead is installed in the first shunt, the second LED lamp bead is installed in the second shunt, and the voltage of the first shunt and the voltage of the second shunt are both preset voltages.
Optionally, a first LED lamp bead is arranged on the first shunt, and the rated voltage of the first LED lamp bead is equal to the preset voltage; and/or the number of the groups of groups,
and a second LED lamp bead is arranged on the second branch, and the rated voltage of the second LED lamp bead is equal to the preset voltage.
Optionally, a plurality of first LED light beads are arranged on the first shunt, the rated voltage of the first LED light beads is smaller than a preset voltage, the plurality of first LED light beads are arranged in series, and the sum of the rated voltages of the plurality of first LED light beads is the preset voltage; and/or the number of the groups of groups,
the second branch is provided with a plurality of second LED lamp beads, the rated voltage of the second LED lamp beads is smaller than the preset voltage, a plurality of second LED lamp beads are arranged in series, and the sum of the rated voltages of the second LED lamp beads is the preset voltage.
Optionally, the substrate is configured as a flexible circuit board or an aluminum substrate.
The utility model also provides a section bar lamp comprising the lamp strip.
According to the technical scheme, the plurality of lamp groups are arranged on the substrate at intervals, the lamp groups are connected in parallel to form the first circuit, so that when one or more of the lamp groups fails, the normal operation of other lamp groups is not influenced, the lamp groups comprise the first LED lamp beads and the second LED lamp beads, the first LED lamp beads and the second LED lamp beads are connected in parallel to form the second circuit, the polarities of the first LED lamp beads and the second LED lamp beads are opposite, and the first LED lamp beads or the second LED lamp beads can be normally lightened no matter the first circuit is connected with the external circuit in a positive mode or in a reverse mode, the universality and the adaptability of the section lamp are improved, the positive electrode and the negative electrode of the lamp strip are not required to be considered during installation, and the installation efficiency of the lamp strip can also be improved. And the first LED lamp beads and the second LED lamp beads cannot be lightened simultaneously, so that the energy-saving efficiency of the lamp strip can be improved. The lamp strip is provided with an electric connection bit group at least at two ends of the substrate, namely, the two ends of the lamp strip are provided with the electric connection bit group respectively, and a plurality of electric connection bit groups can be arranged on the lamp strip at intervals, so that when the lamp strip needs to be cut at one end of the lamp strip according to the sizes of different cabinet bodies, the whole work of the lamp strip is not affected, only the electric plug is required to be spliced with any electric connection bit group after the cutting is completed, the lamp strip can be re-lighted, and a plurality of electric connection bit groups are arranged on the lamp strip at intervals, no matter which end of the lamp strip is cut, the normal work of the lamp strip can be influenced, and the universality and the adaptability of the profile lamp are further improved. The first connecting positions of the electric connecting groups are arranged on one side of the width direction of the substrate, the second connecting positions are arranged on the other side of the width direction of the substrate, namely, the first connecting positions and the second connecting positions are respectively arranged on the opposite sides of the lamp group, the positive electrode of the first circuit is connected with the first connecting positions, the negative electrode of the first circuit is connected with the second connecting positions, and the first connecting positions and the second connecting positions are respectively arranged on the opposite sides of the lamp group, so that the nearby connection of the first circuit is facilitated, and the operation of operators is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a circuit diagram of an embodiment of a light bar of the present utility model;
FIG. 2 is a schematic view of the light bar of FIG. 1;
fig. 3 is a schematic structural view of another embodiment of the light bar of the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The present utility model proposes a light bar 100.
In the embodiment of the present utility model, as shown in fig. 1 and 3, the light bar 100 includes a substrate 110 and a plurality of light groups 120, the plurality of light groups 120 are arranged at intervals along the length direction of the substrate 110, the plurality of light groups 120 are connected in parallel to form a first circuit 130, the light groups 120 include a first LED light bead 121 and a second LED light bead 122, the first LED light bead 121 is connected in parallel to the second LED light bead 122 to form a second circuit 140, and the polarities of the first LED light bead 121 and the second LED light bead 122 are opposite. The light bar 100 is provided with an electrical connection bit set 111 at least at two ends of the substrate 110, the electrical connection bit set 111 includes a first connection bit 112 connected to a first end of the first circuit 130 and a second connection bit 114 connected to a second end of the first circuit 130, the first connection bit 112 of each electrical connection bit set 111 is disposed at one side of the substrate 110 in the width direction, the second connection bit 114 is disposed at the other side of the substrate 110 in the width direction, and the electrical connection bit set 111 is used for plugging a power supply plug.
Specifically, in order to realize that the same section lamp can be suitable for installation bodies with different sizes, it is required that the lamp strip 100 can be cut or lengthened according to the size of the cabinet body, and normal lighting of the lamp strip 100 is not affected. Therefore, the plurality of lamp groups 120 are arranged on the substrate 110 at intervals, the plurality of lamp groups 120 are arranged along the length direction of the substrate 110 at intervals, and the plurality of lamp groups 120 are connected in parallel to form the first circuit 130, and when one or more of the plurality of lamp groups 120 fail, the normal operation of the other lamp groups 120 is not affected. And the lamp strip 100 has the branch of positive negative pole for in case the circuit connects the contrary, can all lead to whole lamp strip 100 to be unable to light, need constantly pay attention to the positive negative pole of circuit when wiring, reduce the possibility of connecing the contrary, not only be unfavorable for the installation effectiveness of lamp strip 100, also make the commonality and the adaptability of lamp strip 100 reduce, so lamp group 120 includes first LED lamp pearl 121 and second LED lamp pearl 122, first LED lamp pearl 121 and second LED lamp pearl 122 parallelly connected form second circuit 140, and the polarity of first LED lamp pearl 121 and second LED lamp pearl 122 is opposite to be set up, thereby make no matter first circuit 130 is just connected with external circuit or is contrary to be connected and can make first LED lamp pearl 121 or second LED lamp pearl 122 normally light, thereby improve commonality and the adaptability of lamp strip 100, and need not to consider the positive negative pole of lamp strip 100 when installing, improve the installation effectiveness of lamp strip 100. And the first LED lamp beads 121 and the second LED lamp beads 122 cannot be lightened at the same time, so that the energy saving efficiency of the lamp strip 100 can be improved.
The light bar 100 is provided with an electric connection group 111 at least at two ends of the substrate 110, and one of the electric connection groups 111 is electrically connected to the first circuit 130 and the external circuit, so that the external power source can supply power to the light group 120. And the two ends of the polar plate are provided with the electric connection bit group 111, so that an electric plug can be inserted into the electric connection bit group 111 from any one of the two ends of the light bar 100 so as to be electrically connected with the first circuit 130, thereby improving the universality and the adaptability of the light bar 100. The light bar 100 is provided with an electric connection bit group 111 at least at two ends of the substrate 110, namely, only one electric connection bit group 111 is arranged at two ends of the light bar 100, and a plurality of electric connection bit groups 111 are arranged on the light bar 100 at intervals, so that when the light bar 100 needs to be cut at one end of the light bar 100 according to different cabinet sizes, the whole work of the light bar 100 is not affected, only after the cutting is completed, an electric plug is spliced with any one electric connection bit group 111, the re-lighting of the light bar 100 can be realized, and a plurality of electric connection bit groups 111 are arranged on the light bar 100 at intervals, no matter which end of the light bar 100 is cut, the normal work of the light bar 100 can not be affected, and the universality and the adaptability of the light bar 100 are further improved. The electrical connection groups 111 are arranged at intervals along the extending direction of the substrate 110, and the electrical connection groups 111 can realize the electrical connection between the first circuit 130 and an external circuit, so that the cut lamp group 120 and the electrical connection groups 111 are conveniently connected nearby, and the operation of operators is convenient. The electric connection bit groups 111 include a first connection bit 112 connected to a first end of the first circuit 130, and a second connection bit 114 connected to a second end of the first circuit 130, where the first connection bit 112 of each electric connection bit group 111 is disposed on one side of the substrate 110 in the width direction, and the second connection bit 114 is disposed on the other side of the substrate 110 in the width direction, that is, the first connection bit 112 and the second connection bit 114 are disposed on opposite sides of the lamp group 120, an anode of the first circuit 130 is connected to the first connection bit 112, a cathode of the first circuit 130 is connected to the second connection bit 114, and the first connection bit 112 and the second connection bit 114 are disposed on opposite sides of the lamp group 120, so that the first circuit 130 is convenient to connect nearby, and an operator can operate conveniently. Preferably, the substrate 110 is configured as a flexible circuit board or an aluminum substrate 110.
In order to improve the adaptation degree of the light bar 100 and different cabinets, the cutting unit of the light bar 100 should be as small as possible, in this embodiment, the light bar 100 has a specification of 1 string 162 and/m, that is, the occupied distance of a group of light groups 120 is about 6mm, and the minimum cutting unit of the light bar 100 is 6mm, which not only can improve the adaptation degree of the light bar 100 and different cabinets, but also can ensure continuous brightness of the light bar 100, and the overall light is more uniform. Of course, the distance between the lamp sets 120 cannot be too small, and if the distance between the lamp sets 120 is too small, the circuit is too much to control the circuit, and the energy saving performance of the light bar 100 is reduced.
And to further enhance the electrical safety of the light bar 100, in one embodiment, each of the second circuits 140 is connected in series with a protection resistor 150. Specifically, when the first LED lamp bead 121 or the second LED lamp bead 122 fails and is shorted, the whole lamp strip 100 may be burned, so that the protection resistor 150 is set, and each of the second circuits 140 is connected in series with one protection resistor 150, so that the lamp strip 100 will not be burned when the first LED lamp bead 121 or the second LED lamp bead 122 fails and is shorted. The protection resistor 150 can divide the voltage of the lamp set 120 on the second circuit 140, so that the voltage at two sides of the lamp set 120 of each second circuit 140 is constant, and the uniformity and stability of the brightness of the light bar 100 are improved.
According to the technical scheme, the plurality of lamp groups 120 are arranged on the substrate 110 at intervals, the plurality of lamp groups 120 are connected in parallel to form the first circuit 130, so that when one or more of the plurality of lamp groups 120 fails, normal operation of other lamp groups 120 is not affected, the lamp groups 120 comprise the first LED lamp beads 121 and the second LED lamp beads 122, the first LED lamp beads 121 and the second LED lamp beads 122 are connected in parallel to form the second circuit 140, the polarities of the first LED lamp beads 121 and the second LED lamp beads 122 are opposite, and therefore the first LED lamp beads 121 or the second LED lamp beads 122 can be normally lightened no matter whether the first circuit 130 is connected with an external circuit in a positive or reverse mode, universality and adaptability of the lamp strip 100 are improved, positive and negative poles of the lamp strip 100 are not required to be considered during installation, and installation efficiency of the lamp strip 100 can also be improved. And the first LED lamp beads 121 and the second LED lamp beads 122 cannot be lightened at the same time, so that the energy saving efficiency of the lamp strip 100 can be improved. The light bar 100 is provided with an electric connection bit group 111 at least at two ends of the substrate 110, namely, only one electric connection bit group 111 is arranged at two ends of the light bar 100, and a plurality of electric connection bit groups 111 are arranged on the light bar 100 at intervals, so that when the light bar 100 needs to be cut at one end of the light bar 100 according to different cabinet sizes, the whole work of the light bar 100 is not affected, only after the cutting is completed, an electric plug is spliced with any one electric connection bit group 111, the re-lighting of the light bar 100 can be realized, and a plurality of electric connection bit groups 111 are arranged on the light bar 100 at intervals, no matter which end of the light bar 100 is cut, the normal work of the light bar 100 can not be affected, and the universality and the adaptability of the light bar 100 are further improved. The electric connection bit groups 111 include a first connection bit 112 connected to a first end of the first circuit 130, and a second connection bit 114 connected to a second end of the first circuit 130, where the first connection bit 112 of each electric connection bit group 111 is disposed on one side of the substrate 110 in the width direction, and the second connection bit 114 is disposed on the other side of the substrate 110 in the width direction, that is, the first connection bit 112 and the second connection bit 114 are disposed on opposite sides of the lamp group 120, an anode of the first circuit 130 is connected to the first connection bit 112, a cathode of the first circuit 130 is connected to the second connection bit 114, and the first connection bit 112 and the second connection bit 114 are disposed on opposite sides of the lamp group 120, so that the first circuit 130 is convenient to connect nearby, and an operator can operate conveniently.
Referring to fig. 1 and 2, in an embodiment, the first LED beads 121 and the second LED beads 122 are arranged along the width direction of the polar plate, so as to form a first LED bead row and a second LED bead row in parallel on the substrate 110. Specifically, the lamp beads on the lamp strip 100 are divided into two rows, the lamp beads are all arranged along the length direction of the substrate 110 to form a row, each row of lamp beads is arranged along the width direction of the substrate 110, if the first LED lamp beads 121 are all located in the first LED lamp bead row, and the second LED lamp beads 122 are all located in the second LED lamp bead row, so that when the lamp strip is electrified, one row of the first LED lamp bead row and the second LED lamp bead row is fully lighted, and the other row is completely extinguished, thereby improving the brightness uniformity of the lamp strip 100. If first LED lamp pearl 121 and second LED lamp pearl 122 divide equally and locate first LED lamp pearl row and second LED lamp pearl row, then when circular telegram, first LED lamp pearl row and second LED lamp pearl row all have partial lamp pearl to light to improve the application scene of lamp strip 100, improve the commonality and the adaptability of lamp strip 100, compare the lamp pearl on lamp strip 100 and arrange into one row, this scheme also can effectively shorten the cutting unit of lamp strip 100.
Referring to fig. 1 and 3, in another embodiment, the first LED beads 121 and the second LED beads 122 are all arranged along the length direction of the substrate 110, and the first LED beads 121 and the second LED beads 122 are alternately arranged along the length direction of the substrate 110. Specifically, the light beads on the light bar 100 are arranged in a row, and when the light bar is electrified, only part of the light beads in the row are lighted, so that the applicable scene of the light bar 100 is improved, the universality and the adaptability of the light bar 100 are improved, the whole width of the light bar 100 can be reduced, and in order to shorten the cutting unit of the light bar 100, the gap between two adjacent light beads on the light bar 100 is smaller.
In order to further facilitate the operation of the operator, in an embodiment, the electrical connection groups 111 are disposed at intervals along the length direction of the substrate 110, and the electrical connection groups 111 are disposed in one-to-one correspondence with the lamp groups 120. Specifically, in order to adapt to different assembly sizes, the light bar 100 needs to be sheared, a plurality of electric connection bit groups 111 are arranged, and the electric connection bit groups 111 and the light groups 120 are arranged in a one-to-one correspondence, so that the electric connection bit groups 111 and the electric sockets can be found nearby no matter which end of the operator has the light bar 100 cut off the light bar 100, thereby facilitating the installation of the light bar 100 and further improving the universality and the adaptability of the light bar 100.
Preferably, the electrical connection group 111 is configured as a pad disposed on the substrate 110.
To further improve the overall performance of the light bar 100, in an embodiment, the second circuit 140 includes a first shunt 141 and a second shunt 142 connected in parallel, the first LED light bead 121 is installed on the first shunt 141, the second LED light bead 122 is installed on the second shunt 142, and the voltage of the first shunt 141 and the voltage of the second shunt 142 are both preset voltages. Specifically, the voltage of the first shunt 141 and the voltage of the second shunt 142 are both preset voltages, that is, the voltages on both sides of the first LED lamp bead 121 and the voltages on both sides of the second LED lamp bead 122 are set equal, so that the brightness of the light bar 100 is set equal no matter the first circuit 130 is connected in the forward direction or in the reverse direction, and the overall performance of the light bar 100 is improved. Of course, in other embodiments, the voltages at the two sides of the first LED lamp bead 121 and the second LED lamp bead 122 may be set unequal, so as to improve the application scenario of the lamp beads. The preset voltage may be 3V, 6V, 9V, 12V, 15V, etc., and the preset voltage is hereinafter described as 9V.
If the rated voltage of the first LED lamp beads 121 is equal to the preset voltage, in an embodiment, the first shunt 141 is provided with a first LED lamp bead 121. Specifically, in this embodiment, the rated voltage of the first LED lamp beads 121 is 9V, and the preset voltage is also 9V, so the rated voltage of the first LED lamp beads 121 is equal to the preset voltage, and the first shunt 141 only needs to set one first LED lamp bead 121, so that the rated voltage of the first LED lamp beads 121 can be ensured to be matched with the preset voltage. Of course, in other embodiments, only a plurality of first LED beads 121 disposed in parallel may be disposed on the first shunt 141.
In another embodiment, a second LED lamp 122 is disposed on the second shunt 142, and the rated voltage of the second LED lamp 122 is equal to the preset voltage. Specifically, in the embodiment, the rated voltage of the second LED lamp beads 122 is 9V, and the preset voltage is also 9V, so the rated voltage of the second LED lamp beads 122 is equal to the preset voltage, and the second shunt 142 only needs to set one second LED lamp bead 122, so that the rated voltage of the second LED lamp beads 122 can be ensured to be matched with the preset voltage. Of course, in other embodiments, only a plurality of second LED beads 122 disposed in parallel may be disposed on the second shunt 142.
If the rated voltage of the first LED lamp beads 121 is smaller than the preset voltage, in an embodiment, the first shunt 141 is provided with a plurality of first LED lamp beads 121, the rated voltage of the first LED lamp beads 121 is smaller than the preset voltage, the plurality of first LED lamp beads 121 are serially connected, and the sum of the rated voltages of the plurality of first LED lamp beads 121 is the preset voltage. Specifically, if the rated voltage of the first LED lamp beads 121 is 3V and the preset voltage is 9V, 3 first LED lamp beads 121,3 first LED lamp beads 121 may be disposed on the first shunt 141 in series, so that the rated voltage and the preset voltage of the first LED lamp beads 121 can be ensured to be adapted. Of course, in other embodiments, there may be one first LED lamp bead 121 with a rated voltage of 3V and one first LED lamp bead 121 with a rated voltage of 6V, where the two first LED lamp beads 121 are arranged in series.
In another embodiment, the second branch 142 is provided with a plurality of second LED lamp beads 122, the rated voltage of the second LED lamp beads 122 is smaller than the preset voltage, the plurality of second LED lamp beads 122 are serially connected, and the sum of the rated voltages of the plurality of second LED lamp beads 122 is the preset voltage. Specifically, if the rated voltage of the second LED lamp beads 122 is 3V and the preset voltage is 9V, 3 second LED lamp beads 122,3 second LED lamp beads 122 can be arranged on the second branch 142 in series, so that the rated voltage and the preset voltage of the second LED lamp beads 122 can be ensured to be adapted. Of course, in other embodiments, there may be one second LED lamp bead 122 with a rated voltage of 3V and one second LED lamp bead 122 with a rated voltage of 6V, and the two second LED lamp beads 122 are disposed in series.
The utility model also provides a section lamp, the section lamp comprises a lamp strip 100, the specific structure of the lamp strip 100 refers to the embodiment, and as the section lamp adopts all the technical schemes of all the embodiments, the section lamp has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (10)
1. A light bar, comprising:
a substrate;
a plurality of lamp groups which are arranged on the substrate at intervals along the length direction of the substrate, wherein the lamp groups are connected in parallel to form a first circuit, the lamp groups comprise a first LED lamp bead and a second LED lamp bead, the first LED lamp beads and the second LED lamp beads are connected in parallel to form a second circuit, and the polarities of the first LED lamp beads and the second LED lamp beads are opposite;
the lamp strip is at least provided with an electric connection bit group at two ends of the substrate respectively, the electric connection bit group comprises a first connection bit connected with the first end of the first circuit and a second connection bit connected with the second end of the first circuit, the first connection bit of each electric connection bit group is arranged at one side of the width direction of the substrate, the second connection bit is arranged at the other side of the width direction of the substrate, and the electric connection bit groups are used for supplying power for plug connection.
2. The light bar of claim 1 wherein each of the second circuits is connected in series with a protection resistor.
3. The light bar of claim 1, wherein the first LED light beads and the second LED light beads are arranged along a width direction of the substrate to form a first LED light bead row and a second LED light bead row in parallel on the substrate.
4. The light bar of claim 1, wherein the first LED light beads and the second LED light beads are each arranged along a length direction of the substrate, and the first LED light beads and the second LED light beads are alternately arranged along the length direction of the substrate.
5. The light bar of claim 1, wherein a plurality of the electrical connection groups are arranged at intervals along the length direction of the substrate, and the plurality of the electrical connection groups are arranged in one-to-one correspondence with the plurality of the light groups.
6. The light bar of claim 1 wherein the second circuit comprises a first shunt and a second shunt connected in parallel with each other, the first LED light bead is mounted on the first shunt, the second LED light bead is mounted on the second shunt, and the voltage of the first shunt and the voltage of the second shunt are both preset voltages.
7. The light bar of claim 6 wherein a first LED light bulb is disposed on the first shunt, the first LED light bulb having a voltage rating equal to a predetermined voltage; and/or the number of the groups of groups,
and a second LED lamp bead is arranged on the second branch, and the rated voltage of the second LED lamp bead is equal to the preset voltage.
8. The light bar of claim 6, wherein a plurality of first LED light beads are arranged on the first shunt, the rated voltage of the first LED light beads is smaller than a preset voltage, the plurality of first LED light beads are arranged in series, and the sum of the rated voltages of the plurality of first LED light beads is the preset voltage; and/or the number of the groups of groups,
the second branch is provided with a plurality of second LED lamp beads, the rated voltage of the second LED lamp beads is smaller than the preset voltage, a plurality of second LED lamp beads are arranged in series, and the sum of the rated voltages of the second LED lamp beads is the preset voltage.
9. The light bar of any one of claims 1 to 8, wherein the substrate is configured as a flexible circuit board or an aluminum substrate.
10. Profile lamp, characterized in that it comprises a lamp strip according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321538144.3U CN220135254U (en) | 2023-06-15 | 2023-06-15 | Lamp strip and section lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321538144.3U CN220135254U (en) | 2023-06-15 | 2023-06-15 | Lamp strip and section lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220135254U true CN220135254U (en) | 2023-12-05 |
Family
ID=88963402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321538144.3U Active CN220135254U (en) | 2023-06-15 | 2023-06-15 | Lamp strip and section lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220135254U (en) |
-
2023
- 2023-06-15 CN CN202321538144.3U patent/CN220135254U/en active Active
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