Breakpoint continuous transmission constant-voltage constant-current tailorable high-voltage-to-low-voltage advertising light bar

Abstract

The utility model belongs to the technical field of advertising lamp strips, and particularly relates to a breakpoint continuous transmission constant-voltage constant-current tailorable high-voltage-to-low-voltage advertising lamp strip which comprises a section bar frame, a connecting groove is formed in the section bar frame, a light-emitting component is connected to the section bar frame, the LED lamp strip comprises a PCB arranged in the connecting groove, a plurality of sets of LED lamp beads are arranged on the PCB, and the LED lamp beads are arranged in the connecting groove. Lenses are connected to the positions, corresponding to the LED lamp beads, of the PCB, the driver is arranged on the outer side of the profile frame and electrically connected with the light-emitting component, all the sets of LED lamp beads are connected in parallel, the whole lamp strip can be cut at will without affecting use of other lamps, the cut lamp strip can continue to be used with a power source, waste is reduced, and meanwhile the LED lamp strip is convenient to use. A double-wire parallel connection scheme is adopted between the light bars, the light bars can be mutually charged, and when a single light bar is damaged, drivers of other light bars can supply power to the abnormal light bar, so that the abnormal light bar can still be normally lightened, and the purposes of maintenance-free and maintenance-free are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of advertising lamp strip, specifically to a high pressure to low pressure advertising lamp strip of breakpoint continuation constant voltage constant current tailorability. BACKGROUND

[0002] The LED lamp strip is widely applied to exhibition stand, hotel, decoration lighting and the manufacture of various advertising signs, various large -scale animation, picture advertising design and the like because of light strip main body light and thin, color pure, easy installation and the like, and the existing high -pressure hard lamp strip is all DOB (paste all high -voltage components on the PCB board) or independent power supply (separate a small power supply, and high -voltage components do not need to be pasted on the PCB board), and the two schemes are all driven by non -isolated constant current mode, so that the lamp strip cannot be cut at will (even if tailorability, the cut lamp strip cannot be used again), and the single strip appears (power supply drive is bad, electronic component is damaged, PCB board is broken, wire virtual welding is removed, and LED is damaged) one of the abnormality, and the whole lamp strip will not be bright, for this, a high pressure to low pressure advertising lamp strip of breakpoint continuation constant voltage constant current tailorability is provided. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] Therefore, the utility model aims at providing a high pressure to low pressure advertising lamp strip of breakpoint continuation constant voltage constant current tailorability, connecting each group of LED lamp beads in parallel, the whole lamp strip can be cut at will without affecting the use of other lamps, and the cut lamp strip can still be used by adding a power supply, reducing waste, at the same time, the double -wire parallel scheme is adopted between the lamp strip and the lamp strip, the lamp strip and the lamp strip can be mutually complementary, when a single strip is damaged, the driver of other lamp strips will power the abnormal lamp strip, so that the abnormal lamp strip can still be normally lighted, achieving the purpose of maintenance -free and maintenance -free.

[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0006] A high pressure to low pressure advertising lamp strip of breakpoint continuation constant voltage constant current tailorability comprises:

[0007] As the profile frame connected to the base frame, the profile frame is provided with a connecting groove;

[0008] The light-emitting component is connected to the profile frame and comprises a PCB plate arranged in the connecting groove, a plurality of groups of LED lamp beads are arranged on the PCB plate, and a lens is connected to the PCB plate at positions corresponding to the LED lamp beads;

[0009] The driver is arranged outside the profile frame and is electrically connected to the light-emitting component.

[0010] The plurality of groups of LED lamp beads are arranged equidistantly along the outside of the PCB plate, and two adjacent LED lamp beads are connected in parallel.

[0011] As a preferred scheme of the high-voltage-to-low-voltage advertising lamp strip with breakpoint continuation, constant voltage and constant current and tailorability, the light-emitting component further comprises a connecting line connected to the outside of the profile frame and matched with the driver.

[0012] As a preferred scheme of the high-voltage-to-low-voltage advertising lamp strip with breakpoint continuation, constant voltage and constant current and tailorability, a plurality of groups of resistors are arranged on the PCB plate, the resistors are arranged in one-to-one correspondence with the LED lamp beads, and adjacent resistors and LED lamp beads are connected in series.

[0013] As a preferred scheme of the high-voltage-to-low-voltage advertising lamp strip with breakpoint continuation, constant voltage and constant current and tailorability, the driver is a low-PF non-isolated Buck driver, and the overall circuit adopts a Buck-Boost circuit topology.

[0014] As a preferred scheme of the high-voltage-to-low-voltage advertising lamp strip with breakpoint continuation, constant voltage and constant current and tailorability, a plurality of groups of heat dissipation fins are connected to the profile frame, and the plurality of groups of heat dissipation fins are arranged linearly and equidistantly along the outside of the profile frame from left to right.

[0015] As a preferred scheme of the high-voltage-to-low-voltage advertising lamp strip with breakpoint continuation, constant voltage and constant current and tailorability, the profile frame is provided with an auxiliary component, the auxiliary component comprises a bottom plate slidably connected to the outside of the profile frame, a plurality of groups of buckles are integrally connected to the bottom plate, and a clamping groove matched with the buckles is arranged on the outside of the profile frame.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The non-isolated step-down switching power supply constant voltage control driving chip is adopted, any fixed voltage between DC12V-DC120V is output, it is safe and stable, and because of constant voltage output, any fixed voltage between DC12V-DC120V can be adjusted, the voltage requirement of the PCB plate 210 is very low, the PCB cost is greatly reduced, and the stability of the product is greatly improved.

[0018] 2. The LED lamp beads in each group are connected in parallel, the overall lamp strip can be cut arbitrarily without affecting the use of other lamps, and the cut lamp strip can continue to be used by adding a power supply, thereby reducing waste;

[0019] 3. The double-wire parallel connection scheme is adopted between the lamp strips, the lamp strips can complement each other, when a single strip is damaged, the driver 300 of the other lamp strips can supply power to the abnormal lamp strip, so that the abnormal lamp strip can still be normally lighted, and the maintenance-free and maintenance-free purposes are achieved;

[0020] 4. The length only needs to be 1-2 length sizes, which is convenient for customers to prepare goods and convenient for installation, and greatly reduces the goods preparation cost of the factory and the customers, the installation time of workers and the material cost. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Wherein:

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0023] Figure 2 It is a schematic diagram of part of the structure of the present application;

[0024] Figure 3 It is a schematic diagram of part of the structure of the present application; Figure 2

[0025] It is a schematic diagram of part of the structure of the present application; Figure 4 Figure 3

[0026] Figure 5 It is a schematic diagram of the use example structure of the present application.

[0027] In the drawing: 100 profile frame, 110 connecting groove, 120 heat dissipation fin, 200 light emitting component, 210 PCB board, 211 connecting wire, 220 LED lamp bead, 221 lens, 230 resistor, 300 driver, 400 auxiliary component, 410 bottom plate, 411 buckle, 420 clamping groove. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below in combination with the drawings.

[0029] ​​In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can be practiced in other ways not described herein, and it is understood that similar modifications can be made by those skilled in the art without departing from the spirit and scope of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0030] Secondly, the present application is described in detail in combination with the schematic diagram, in the detailed description of the present application, for the convenience of description, the cross-sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the present application protection herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below in combination with the drawings.

[0032] The present application provides a kind of breakpoint continuation constant-voltage constant-current tailorable high pressure to low pressure advertising lamp strip, please refer to Figures 1-3 , including, section frame 100, light emitting component 200, driver 300 and auxiliary component 400;

[0033] Please continue to refer to Figures 1-2 As the section frame 100 connected to the base frame, the section frame 100 is provided with connecting groove 110 (the section frame and PCB board can be matched with each other, or without installing section frame, please refer to Figure 5 );

[0034] The section frame 100 is connected with a plurality of heat dissipation fins 120, and the plurality of heat dissipation fins 120 are arranged in linear equidistance from left to right along the outer side of the section frame 100, one end of the heat dissipation fin 120 is located on the outer side of the section frame 100, and the other end is inserted into the section frame 100, the heat in the section frame 100 is discharged through the heat dissipation fin 120 arranged, which can avoid the heat accumulation in the section frame 100 due to the working of LED lamp bead 220;

[0035] Please continue to refer to Figures 1-3 Light emitting component 200 is connected to section frame 100, including PCB board 210 placed in connecting groove 110, and a plurality of LED lamp beads 220 are arranged on PCB board 210, and lens 221 is connected to the position corresponding to LED lamp bead 220 on PCB board 210 (the connection between lens 221 and LED lamp bead 220 is sealed by sealing glue);

[0036] A plurality of groups of LED lamp beads 220 are arranged equidistantly outside the PCB 210, and two adjacent LED lamp beads 220 are connected in parallel, the light emitting component 200 further comprises a connecting line 211 connected to the outside of the profile frame 100 and matched with the driver 300, the groups of LED lamp beads 220 are connected in parallel, the overall light bar can be cut arbitrarily without affecting the use of other lights, and a double-wire parallel connection scheme is adopted between the light bars, the light bars can be mutually complementary, when a single light bar is damaged, the driver 300 of the other light bars will supply power to the abnormal light bar, so that the abnormal light bar can still be normally lit, achieving the purpose of maintenance-free and maintenance-free (broken point continuous transmission);

[0037] A plurality of resistors 230 are arranged on the PCB 210, and the resistors 230 are arranged one-to-one with the LED lamp beads 220, and the adjacent resistors 230 and LED lamp beads 220 are connected in series;

[0038] Please continue to refer to Figure 1 The driver 300 is placed outside the profile frame 100 and electrically connected with the light emitting component 200, the driver 300 is a low PF non-isolated Buck driver, and the overall circuit adopts a Buck-Boost circuit topology;

[0039] The non-isolated step-down switching power supply constant voltage control driving chip outputs a constant voltage (DC12V-DC120V between any fixed voltage), which is safe and stable;

[0040] And because of the constant voltage output (DC12V-DC120V between any fixed voltage can be adjusted), the voltage resistance requirement of the PCB 210 is very low, which greatly reduces the cost of the PCB and greatly improves the stability of the product;

[0041] At the same time, each light bar has an independent drive or DOB integrated drive module, without voltage drop, all light bars do not need to be connected back to the circuit, saving installation cost and improving installation efficiency;

[0042] Please continue to refer to Figure 3 The profile frame 100 is provided with an auxiliary component 400, the auxiliary component 400 comprises a bottom plate 410 slidably connected to the outside of the profile frame 100, a plurality of buckles 411 are integrally connected to the bottom plate 410, and a clamping groove 420 matched with the buckle 411 is formed on the outside of the profile frame 100, the bottom plate 410 can be used to assist in limiting and fixing the splicing part of the two light bars after cutting, so as to prevent misalignment between the two light bars;

[0043] Each group of LED lamp beads 220 is connected in parallel, the overall light bar can be cut at will without affecting the use of other lamps, and a double-wire parallel scheme is used between the light bars, the light bars can complement each other, when a single light bar is damaged, the driver 300 of the other light bars will power the abnormal light bar, so that the abnormal light bar can still be normally lit, achieving the purpose of maintenance-free and maintenance-free;

[0044] Embodiments:

[0045] 1. Drive at the leftmost or rightmost edge of the light bar, prevent rain (add profile frame and seal with sealant), refer to Figure 5 ;

[0046] 2. Drive at the leftmost or rightmost edge of the light bar, not waterproof (without adding profile frame), refer to Figure 5 ;

[0047] 3. Drive at any position in the middle of the light bar, prevent rain (add profile frame and seal with sealant), refer to Figure 5 ;

[0048] 4. Drive at any position in the middle of the light bar, not waterproof (add profile frame), refer to Figure 5 ;

[0049] Working principle: when the utility model is used, the driver 300 outputs constant voltage, which reaches the LED lamp beads 220 through the PCB board 210 as a current carrier, the LED lamp beads 220 emit light, the light is refracted through the lens 221 to reach the external lamp box, thereby forming a light-emitting picture or the like identification lighting product;

[0050] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not described exhaustively in this specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A breakpoint-resume constant voltage and constant current high-voltage to low-voltage advertising light bar that can be cut, characterized by: include: A profile frame (100) serving as a connection base frame, wherein a connection groove (110) is provided on the profile frame (100); The light-emitting component (200) is connected to the profile frame (100), and comprises a PCB board (210) placed in the connection groove (110), a plurality of groups of LED lamp beads (220) are provided on the PCB board (210), and lenses (221) are connected to positions on the PCB board (210) corresponding to the LED lamp beads (220); A plurality of groups of LED lamp beads (220) are arranged at equal intervals along the outer side of the PCB board (210), and any two adjacent LED lamp beads (220) are connected in parallel; The driver (300) is placed outside the profile frame (100) and is electrically connected to the light-emitting component (200).

2. The breakpoint-resume constant voltage and constant current tailorable high-voltage to low-voltage advertising light bar according to claim 1, characterized in that: The light-emitting component (200) further includes a connecting line (211) connected to the outside of the profile frame (100) and cooperating with the driver (300).

3. The breakpoint-resume constant voltage and constant current tailorable high-voltage to low-voltage advertising light bar according to claim 2, characterized in that: The PCB board (210) is provided with a plurality of groups of resistors (230), the resistors (230) and the LED lamp beads (220) are arranged in a one-to-one correspondence, and adjacent resistors (230) and LED lamp beads (220) are connected in series for current limiting.

4. The breakpoint-resume constant voltage and constant current tailorable high-voltage to low-voltage advertising light bar according to claim 3, characterized in that: The driver (300) is a low PF non-isolated Buck driver, and the overall circuit adopts a Buck-Boost circuit topology.

5. The breakpoint-resume constant voltage and constant current tailorable high-voltage to low-voltage advertising light bar according to claim 4, characterized in that: The profile frame (100) is connected to a plurality of groups of heat dissipation fins (120), and the plurality of groups of heat dissipation fins (120) are arranged linearly and equidistantly from left to right along the outer side of the profile frame (100).

6. The breakpoint-resume constant voltage and constant current tailorable high-voltage to low-voltage advertising light bar according to claim 5, characterized in that: The profile frame (100) is provided with an auxiliary component (400), the auxiliary component (400) comprising a bottom plate (410) slidably connected to the outside of the profile frame (100), a plurality of groups of buckles (411) being integrally formed and connected to the bottom plate (410), and a card slot (420) for engaging with the buckles (411) is provided on the outside of the profile frame (100).

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