CN214756994U

CN214756994U - Series-parallel circuit of lamp string unit and lamp string

Info

Publication number: CN214756994U
Application number: CN202120572278.1U
Authority: CN
Inventors: 邓文强
Original assignee: Shenzhen Chenggong Weiye Technology Co ltd
Current assignee: Shenzhen Chenggong Weiye Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-16
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a cluster parallel circuit and lamp cluster of lamp cluster unit, including a plurality of lamp pearl modules, lamp pearl module includes a plurality of parallel connection's LED lamp pearl, still include the power positive pole line, the power negative pole line, grafting female head and the public head of pegging graft, a plurality of lamp pearl module series connection, the positive pole input of the first lamp pearl module of power positive pole line connection, the negative pole output of last lamp pearl module of power negative pole line connection, the anodal of grafting female head passes through the power positive pole line with the positive pole of the public head of pegging graft and is connected, the negative pole of grafting female head passes through the power negative pole line with the negative pole of the public head of pegging graft and is connected. The utility model discloses the earlier connected mode of establishing ties after parallelly connected of circuit avoids the lamp cluster overlength to lead to the lamp pearl electric current of rear end not enough, realizes parallelly connected between a plurality of lamp cluster units through grafting female head and the public head of pegging graft, and power positive line and power negative pole line run through throughout, for every lamp cluster unit independent power supply, avoid the front end lamp cluster to open circuit and lead to the whole phenomenon of extinguishing in its rear.

Description

Series-parallel circuit of lamp string unit and lamp string

Technical Field

The utility model relates to a lamp cluster field, specific theory relates to a series-parallel circuit and lamp cluster of lamp cluster unit.

Background

The LED lamp has the characteristics of low energy consumption and long service life, is favored by the market due to the advantages of energy conservation and emission reduction, and is widely applied to the field of light decoration due to the characteristics of flexibility and convenience in combination and connection, particularly the LED lamp string.

In the application of LED light string decoration, the brightness uniformity of light is often required to be ensured, so that the same LED light string is often used for decoration, however, when large articles are decorated, the length of the same LED light string is very long due to the method, and as the length of the light string is increased, the current is weaker and weaker, the brightness of the lamp bead at the rear end of the LED light string is insufficient, and the brightness of the light string is inconsistent instead.

In order to solve the above defects, some lamp strings adopt a segmentation mode, a plurality of lamp beads are taken as a lamp bead module, the lamp beads in a single lamp bead module are connected in parallel, and then a plurality of lamp bead modules are connected in series to form the whole lamp string.

The above problems are worth solving.

Disclosure of Invention

In order to overcome the problems of the prior art, the utility model provides a series-parallel circuit of a lamp string unit and a lamp string.

The utility model discloses technical scheme as follows:

the utility model provides a cluster parallel circuit of lamp cluster unit, includes a plurality of lamp pearl modules, the lamp pearl module includes a plurality of parallel connection's LED lamp pearl, its characterized in that still includes power positive pole line, power negative pole line, female head of pegging graft and the public head of pegging graft, and is a plurality of lamp pearl module series connection, power positive pole line connection is first the positive input end of lamp pearl module, power negative pole line connection is last one the negative pole output of lamp pearl module, the positive pole of female head of pegging graft with the positive pole of the public head of pegging graft passes through the power positive pole line connection, the negative pole of female head of pegging graft with the negative pole of the public head of pegging graft passes through the power negative pole line connection.

According to the above scheme the utility model discloses, its characterized in that, former the negative pole output of lamp pearl module is one with the back the anodal input of lamp pearl module is connected.

According to the above scheme the utility model discloses, a serial communication port, the anodal output and the negative pole input insulation treatment of lamp pearl module.

According to the above scheme the utility model discloses, its characterized in that, it is a plurality of lamp pearl module is linear arrangement, and preceding one the anodal output of lamp pearl module is one with the back the anodal input of lamp pearl module aligns.

According to the above scheme the utility model discloses, a serial communication port, the power positive pole line with power negative pole line symmetry sets up a plurality of the both sides of lamp pearl module.

On the other hand, the utility model provides a lamp cluster, a serial-parallel circuit that includes a plurality of parallel connection's lamp cluster unit, be equipped with the lamp cluster unit among the above-mentioned scheme in the lamp cluster unit.

According to above-mentioned scheme the utility model discloses, its characterized in that, former the public head of pegging graft of lamp cluster unit is with latter the female head of pegging graft of lamp cluster unit is connected.

According to above-mentioned scheme the utility model discloses, its characterized in that, first the female head of pegging graft of lamp cluster unit is connected with power adapter.

According to the above scheme the utility model discloses, its characterized in that, first the female head of pegging graft of lamp cluster unit is connected with the controller.

According to the above scheme the utility model discloses, its beneficial effect lies in:

the utility model discloses a connection mode that the circuit in a lamp string unit connects in parallel first and then connects in series realizes that the voltage of each LED lamp pearl in a single lamp string module is equal, thereby makes the current of each LED lamp pearl equal, guarantees the luminous equilibrium of each lamp string module, realizes that a plurality of lamp string modules in the lamp string unit connect in series simultaneously, and the current is equal, avoids lamp string overlength to lead to the lamp pearl current of rear end not enough, and luminance weakens;

further, the utility model discloses a female head of pegging graft and public head of pegging graft realize parallelly connected between a plurality of lamp cluster units, and the positive polar line of power and power negative pole line run through all the time, for every lamp cluster unit independent power supply, avoid the front end lamp cluster unit to open circuit, the whole phenomenon of extinguishing of lamp pearl at its rear.

Drawings

FIG. 1 is a schematic diagram of a serial-parallel circuit of a light string unit according to the present invention;

FIG. 2 is a schematic diagram of the connection of multiple light string units according to the present invention;

fig. 3 is a schematic diagram of an embodiment of the present invention.

In the figure, 1, a lamp bead module; 11. LED lamp beads; 12. a positive input terminal; 13. a positive output end; 14. a negative input end; 15. a negative output end;

2. a power supply positive line; 3. a power supply negative electrode line; 4. inserting a female head; 5. inserting a male head; 6. a power adapter.

Detailed Description

For better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be noted that the following examples are only for explaining the present invention and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The meaning of "a number" is two or more unless specifically defined otherwise.

As shown in fig. 1, a cluster parallel circuit of lamp cluster unit, including a plurality of lamp pearl modules 1, lamp pearl module 1 includes a plurality of parallel connection's LED lamp pearl 11, still include power positive pole line 2, power negative pole line 3, female head 4 of pegging graft and public first 5 of pegging graft, a plurality of lamp pearl modules 1 series connection, power positive pole line 2 connects the anodal input 12 of first lamp pearl module 1, power negative pole line 3 connects the negative pole output 15 of last lamp pearl module 1, the anodal of female head 4 of pegging graft passes through power positive pole line 2 with the anodal of public first 5 of pegging graft and is connected, the negative pole of female head 4 of pegging graft passes through power negative pole line 3 with the negative pole of the public first 5 of pegging graft and is connected.

The utility model discloses a lamp cluster unit circuit adopts the connected mode of establishing ties after parallelly connected earlier, realizes that the voltage of each LED lamp pearl equals in the single lamp cluster module to make the electric current of each LED lamp pearl match, guarantee the luminous equilibrium of every lamp cluster module, realize a plurality of lamp cluster modules of lamp cluster unit simultaneously and establish ties, the electric current equals, avoids the lamp cluster overlength to lead to the lamp pearl electric current of rear end not enough, and luminance weakens.

The male plug-in head 5 of the previous lamp string unit can be connected with the female plug-in head 4 of the next lamp string unit by utilizing the female plug-in head and the male plug-in head, so that the butt joint of a plurality of lamp string units is realized, the positive power wire and the negative power wire are connected with each lamp string unit, two electrical polar lines penetrate through the whole lamp string, the power supply electric energy is ensured to supply power for each lamp string unit independently, and the normal work of a lamp bead at the rear part of the lamp string unit caused by the power failure of a circuit at the front end of the lamp string can be avoided.

Compared with the prior art, the utility model discloses a lamp cluster has adopted the connection mode of parallel-series-parallel from local to whole, and the positive power cord runs through all the time with power negative pole line, not only can guarantee the whole luminance equilibrium of lamp cluster, can also realize that different lamp cluster units supply power independently.

Furthermore, the butt joint mode of the plug male head and the plug female head is adopted, the connection mode is simple, the length of the decorative lamp string can be adjusted by a user conveniently according to the requirement, the electrical performance of the lamp string is more stable, and good light decoration effect and user experience are provided for the user.

In this embodiment, the negative output terminal 15 of the previous lamp bead module 1 is connected to the positive input terminal 12 of the next lamp bead module 1. The positive output end 13 and the negative input end 14 of the lamp bead module 1 are suspended and subjected to insulation treatment, the insulation of the idle line end can be improved through the insulation treatment, and short circuit caused by sudden electricity jumping is avoided.

A plurality of lamp pearl modules 1 are the linear arrangement, and just the anodal output 13 of preceding lamp pearl module 1 aligns with the anodal input 12 of the lamp pearl module 1 of back, and the negative pole output 15 of preceding lamp pearl module 1 aligns with the negative pole input 14 of the lamp pearl module 1 of back. Therefore, all lamp bead modules in a single lamp string unit face the same direction, and packaging production efficiency is improved.

The power supply positive wire 2 and the power supply negative wire 3 are symmetrically arranged on two sides of the lamp bead modules 1, so that the structure of the long lamp string after the plurality of lamp string units are connected is more regular and compact, and decoration and use are facilitated.

As shown in fig. 2, on the other hand, the present invention further provides a light string, which includes a plurality of light string units connected in parallel, wherein the light string units are provided with serial-parallel circuits, and the male plug 5 of the previous light string unit is connected with the female plug 4 of the next light string unit. A user can plug in multiple groups of light string units as required to form a long light string, and the light string units are connected in parallel.

In an alternative embodiment, as shown in fig. 3, the female plug 4 of the first string light unit is connected to a power adapter 6, which provides a stable operating voltage for the string light and facilitates the user to directly connect to the commercial power socket when using the string light.

In an optional embodiment, the socket female head 4 of the first light string is further connected with a controller, meanwhile, the LED lamp bead is composed of three light emitting chips of red, green and blue, the brightness of the three light emitting chips is changed through the controller so as to combine different light emitting colors of the light string, change of the light string color is realized, and change of light emitting frequency of the light string including long-bright, slow-flash and fast-flash can also be realized through the controller.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A series-parallel circuit of a lamp string unit comprises a plurality of lamp bead modules, wherein each lamp bead module comprises a plurality of LED lamp beads connected in parallel, and is characterized by further comprising a power supply positive wire, a power supply negative wire, a plug-in female head and a plug-in male head,

a plurality of the lamp bead modules are connected in series,

the positive power line is connected with the positive input end of the first lamp bead module, the negative power line is connected with the negative output end of the last lamp bead module,

the positive pole of the female plug is connected with the positive pole of the male plug through the positive power line, and the negative pole of the female plug is connected with the negative pole of the male plug through the negative power line.

2. The series-parallel circuit of the light string unit as claimed in claim 1, wherein the negative output terminal of the previous lamp bead module is connected to the positive input terminal of the next lamp bead module.

3. The series-parallel circuit of the light string unit as claimed in claim 1, wherein the positive output terminal and the negative input terminal of the lamp bead module are insulated.

4. The series-parallel circuit of a light string unit as claimed in claim 1, wherein a plurality of said lamp bead modules are arranged in a straight line, and the positive output terminal of the former lamp bead module is aligned with the positive input terminal of the latter lamp bead module.

5. The series-parallel circuit of the light string unit as claimed in claim 1, wherein the positive power line and the negative power line are symmetrically disposed at two sides of the plurality of lamp bead modules.

6. A light string, characterized in that, it comprises a plurality of light string units connected in parallel, wherein the light string units are provided with a series-parallel circuit of the light string units according to any one of claims 1-5.

7. The light string as claimed in claim 6, wherein the male plug of the former light string unit is connected with the female plug of the latter light string unit.

8. The light string as claimed in claim 6, wherein the female plug of the first light string unit is connected to a power adapter.

9. The light string as claimed in claim 6, wherein the female plug of the first light string unit is connected with a controller.