CN202469679U

CN202469679U - Anti-voltage drop SMD LED lamp strip

Info

Publication number: CN202469679U
Application number: CN2011205247093U
Authority: CN
Inventors: 毛建亮; 王平; 黄永刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-15
Filing date: 2011-12-15
Publication date: 2012-10-03
Anticipated expiration: 2021-12-15

Abstract

An anti-voltage drop SMD (surface mounted devices) LED lamp strip includes an SMD LED lamp source module, a lamp bracket, and a lampshade. The lamp bracket is provided with a slot. The SMD LED lamp source module is arranged in the slot of the lamp bracket. The lampshade is buckled on the slot of the lamp bracket. The SMD LED lamp source module includes a plurality of LED lamp beads and PCB boards. A plurality of SMD LED lamp beads are connected together in series to form a light-emitting unit attached to the PCB board. The PCB board includes two printing power lines across the two side ends of the PCB board. A plurality of the light-emitting units are connected in parallel to each other on the two printing power lines. The anti-voltage drop SMD LED lamp strip is characterized in that the two ends of the two printing power lines are respectively connected with a power supply input circuit, and helps to solve the problem that the brightness level difference exists on the two ends of the LED lamp strip due to the voltage drop in a parallel circuit.

Description

The paster LED lamp bar that a kind of resistance to compression is fallen

Technical field

The utility model relates to a kind of LED light fixture, has particularly related to a kind of paster LED lamp bar that the series-multiple connection circuit inserts the method solution led circuit pressure drop of power supply that changes.

Background technology

As everyone knows, the LED fluorescent lamp is a kind of energy-saving lamp of generally acknowledging at present, and the characteristics of stability height, long service life are arranged, and has obtained high speed development in recent years for this reason, and popularity rate is also increasingly high.Along with the LED development of technology, the led light source module adopts the more and more of patch form at present, and the paster LED light source module directly is encapsulated in LED paster lamp pearl on the pcb board exactly; The existing LED lamp bar that adopts LED paster modular design as CN201120103140.3 is disclosed, comprises LED lamp pearl, pcb board, Transparent lamp tube; Said Transparent lamp tube is fixedly mounted on the said pcb board, the said LED lamp pearl of parallel installation two rows on the said pcb board, and said LED lamp pearl is connected into a luminescence unit; Said luminescence unit is together parallel with one another; The problem that exists is: although be parallel circuit between the said luminescence unit, the electrical potential difference of said each luminescence unit should be consistent in theory, and there is resistance in the printed circuit of in fact said pcb board; Because said LED is operated in low-voltage; Under the state of big relatively electric current, for this reason, the influence of circuit pressure drop is still bigger; The bright-dark degree that directly can observed phenomenon be exactly LED lamp bar two ends there are differences; The material that second problem is said pcb board and the structural cooling performance of said Transparent lamp tube are not high, the mounting means trouble that the 3rd problem is said LED lamp bar and single, underaction, and obviously prior art has further improved necessity.

The utility model content

The purpose of the utility model is to provide a kind of paster LED lamp bar, is used to solve not high, the single and inflexible problem of installation trouble of circuit pressure drop, heat dispersion of existing paster LED lamp bar.

For achieving the above object; The technical scheme that the utility model adopted: a kind of paster LED lamp bar is provided; It comprises paster LED light source module, lamp bracket, lampshade, and said lamp bracket is provided with groove is set, and said paster LED light source module is arranged on being provided with in the groove of said lamp bracket; Said lampshade be located in being provided with on the groove of said lamp bracket; Said paster LED light source module comprises some LED paster lamp pearls and pcb board, and several paster LED lamp pearls are cascaded and form luminescence unit and be attached on the pcb board, comprise two printing power circuits across two sides of pcb board on the said pcb board; Said several luminescence units are parallel with one another on two printing power circuits, it is characterized in that the two ends of said two printing power circuits are connected on the power supply input circuit respectively.

This luminous paster LED lamp of the light and shade bar that improved of the utility model; Owing to introduce the input power supply simultaneously from two ends of pcb board; Reduce on the pcb board pressure drop that possibly form on two printing power circuits for this reason, thereby improved paster LED lamp bar light and shade luminescence phenomenon.

Be preferable over: said lamp bracket is a u type structure; Be provided with dividing plate in the middle of the said U type structure; Said dividing plate is divided into lamp bracket up and down two cavitys, wherein that cavity of opening is arranged is upper cavity, and the inboard of said upper cavity has raised line and the formation of said dividing plate that groove is set, and said pcb board is inserted into said the setting in the groove; Said lamp bracket two ends are provided with end cap, said end cap and lamp bracket screw attachment.

Be preferable over: said pcb board is the high aluminium base of heat dispersion, and the line layer of said aluminium base is covered with one deck Copper Foil.

This paster LED lamp bar that has improved radiating effect of the utility model; Because the material of said pcb board is the aluminium base that conductor layer is covered with the high heat dispersion of Copper Foil; Add groove and cavity up and down are set in the said lamp bracket; Make the heat can very fast conducting for this reason, thereby improved the radiating effect of paster LED lamp bar.

Be preferable over: said LED lamp bar is provided with installs card; Said installation card comprises installing hole and mounting groove, and said lamp bracket bottom is an installed surface, and there is the edge strip of protrusion said installed surface both sides; Said edge strip is inserted in the said mounting groove; The utility model passes said installing hole with screw in use installation is fastened in the installation site, reaches the installation purpose in the said mounting groove thereby then said lamp bracket is inserted into, and this mounting means is convenient to the dismounting of lamp bracket.

Be preferable over: said LED lamp bar is provided with a kind of installation card, and said installation card comprises mounting groove and base, and said base has installing hole; Said mounting groove is connected with base through screw rod and can in 180 degree scopes, rotates flexibly; Said lamp bracket bottom is an installed surface, and there is the edge strip of protrusion said installed surface both sides, and said edge strip is inserted in the said mounting groove; The utility model passes said installing hole with screw in use installation is fastened in the installation site; Reach the installation purpose in the said mounting groove thereby then said lamp bracket is inserted into, this mounting means not only is convenient to the dismounting of lamp bracket, and can adjust the direction of lamp bracket flexibly.

Be preferable over: the bottom of said lamp bracket is an installed surface; A groove is arranged in the middle of the said installed surface; Be provided with the plurality of magnetic iron block in the said groove; The utility model can directly be inhaled the lamp bar in use and be contained on the ferrous material, and this mounting means has not only saved the installation site that screw connects but also can move lamp bracket flexibly.

The beneficial effect of the utility model is: adopt the mode of introducing the input power supply from two ends of pcb board simultaneously, reduced on the pcb board pressure drop that possibly form on two printing power circuits for this reason, thereby improved paster LED lamp bar light and shade luminescence phenomenon; The lamp bracket structure is better by the radiating effect of lamp bar with the aluminium base that is covered with Copper Foil: three types mounting means makes the installation of lamp bar more flexible and diversified.

Description of drawings

Accompanying drawing 1 is a paster LED light source module floor map.

Accompanying drawing 2 is paster LED light source module circuit diagrams.

Accompanying drawing 3 is LED lamp bar overall structure figure.

Accompanying drawing 4 is lamp bracket cross sectional representation.

Accompanying drawing 5 is fixed installation card sketch mapes.

Accompanying drawing 6 is that the card sketch map is installed in rotation.

Accompanying drawing 7 is magnet scheme of installations.

The specific embodiment

Below in conjunction with accompanying drawing, the preferred version of a kind of paster LED lamp bar in the utility model is made detailed description.

Like Fig. 1, shown in 2; The outward appearance of said paster LED light source module 2 is the strip that adapts with the utility model lamp bar, and the pcb board 22 of said paster LED light source module 2 is aluminium bases that the conductive layer shop scribbles Copper Foil, and a row LED lamp pearl 21 is installed on the said pcb board; Said per three LED lamp pearls 21 are linked to be a luminescence unit; Said each luminescence unit is connected in parallel, and the operating voltage of every LED lamp pearl is 3.5 volts, and extraneous supply voltage is 12 volts; Said end face terminal plate 5 is provided with the both positive and negative polarity of said pcb board printing power circuit; Said straight lead 4 is connected electrically on said end face terminal plate 5 correspondence positions, and then is communicated with the said both positive and negative polarity at head and the tail two ends, and said end face terminal plate 5 is provided with power supply electric connection line 9.

Like Fig. 3, shown in 4; This paster LED lamp bar mainly comprises aluminium section bar lamp bracket 1, paster LED light source module 2, translucent lampshade 3, straight lead 4, end face terminal plate 5, end cap 6; Said aluminium section bar lamp bracket 1 is a U type structure; Be provided with dividing plate 11 in the said U type structure, said dividing plate 11 is divided into lamp bracket up and down two cavitys, wherein that cavity of opening is arranged is upper cavity 101, and two madial walls of said upper cavity have raised line 12 to form with said dividing plate 11 groove 103 is set; Said paster LED light source module 2 is inserted into said the setting in the groove 103; There is end face terminal plate 5 at said paster LED light source module 2 two ends, and said end face terminal plate 5 is provided with power supply electric connection line 9, and said external straight lead 4 is connected electrically on the said end face terminal plate 5 and directly passes through said lamp bracket lower chamber 102; Said aluminium section bar lamp bracket 1 two ends have end cap 6 usefulness screws to be solidly connected; 1 liang of lateral wall of said aluminium section bar lamp bracket is provided with the plug-in mounting groove 13 of indent apart from the thickness place that the distance of aluminium section bar lamp bracket 1 opening equals translucent lampshade 3, said translucent face shield 3 opening parts are provided with plug-in mounting raised line 31, and said translucent lampshade 3 connects firmly through plug-in mounting raised line 31 and plug-in mounting groove 13 with aluminium section bar lamp bracket 1 and connects.The bottom of said aluminium section bar lamp bracket 1 is an installed surface 14, and there is the edge strip 142 of protrusion said installed surface 14 both sides, and there is a groove 141 centre of said installed surface 14.

As shown in Figure 5; The fixed installation card 7 of the utility model; Said fixed installation card is a bow-shaped structural; There is a groove 71 at said bow-shaped structural two ends, and said groove 71 just connects firmly with edge strip 142 plug-in mountings of the said installed surface of lamp bar 14 two ends protrusions and connects, and an installing hole 72 is arranged in the middle of the said bow-shaped structural.

As shown in Figure 6; Card 8 is installed in the rotation of the utility model, and said rotation is installed card and comprised mounting groove 81 and base 82, and said mounting groove 82 is connected with said base 82 through screw rod 84 and can in 180 degree scopes, rotates flexibly; Said mounting groove 82 is bow-shaped structurals; There is a groove 83 at said bow-shaped structural two ends, and said groove 83 just connects firmly with edge strip 142 plug-in mountings of lamp bar installed surface 14 two ends protrusions and connects, and said base 82 has two installing holes 821.

As shown in Figure 7, the centre of the lamp bar installed surface 14 of the utility model is provided with a groove 141, be stained with in the said groove 141 two with the neat wide magnet piece 10 of groove, thickness and installed surface are fair.

The above; Be merely the specific embodiment of the utility model; But the protection domain of the utility model never only limits to this, any technical staff who is familiar with the present technique field in the technical scope of the disclosure of the utility model, the variation that can expect easily and replacement; All should be encompassed within the protection domain of the utility model, so the protection domain of the utility model should be as the criterion with the protection domain of claims.

Claims

1. paster LED lamp bar that resistance to compression is fallen; It comprises paster LED light source module, lamp bracket, lampshade; Said lamp bracket is provided with groove is set; Said paster LED light source module is arranged on being provided with in the groove of said lamp bracket, and said lampshade be located in being provided with on the groove of said lamp bracket, and said paster LED light source module comprises some LED paster lamp pearls and pcb board; Several paster LED lamp pearls are cascaded and form luminescence unit and be attached on the pcb board; Comprise two printing power circuits across two sides of pcb board on the said pcb board, said several luminescence units are parallel with one another on two printing power circuits, it is characterized in that the two ends of said two printing power circuits are connected on the power supply input circuit respectively.

2. the paster LED lamp bar that a kind of resistance to compression according to claim 1 is fallen; It is characterized in that: said lamp bracket is a U type structure; Be provided with dividing plate in the middle of the said U type structure, said dividing plate is divided into lamp bracket up and down two cavitys, wherein that cavity of opening is arranged is upper cavity, and the inboard of said upper cavity has raised line and the formation of said dividing plate that groove is set; Said pcb board is inserted into said the setting in the groove; Said external wire is laid in said lower floor cavity, and said lamp bracket two ends are provided with end cap, said end cap and lamp bracket screw attachment.

3. the paster LED lamp bar that a kind of resistance to compression according to claim 1 is fallen is characterized in that: said pcb board adopts the aluminium base of high heat dispersion, and the conductive layer of said aluminium base is covered with Copper Foil.

4. the paster LED lamp bar that a kind of resistance to compression according to claim 1 is fallen; It is characterized in that: the paster LED lamp bar that said a kind of resistance to compression is fallen is provided with the fixed installation card; Said fixed installation card comprises installing hole and mounting groove; Said lamp bracket bottom is an installed surface, and there is the edge strip of protrusion said installed surface both sides, and said edge strip is inserted in the said mounting groove.

5. the paster LED lamp bar that said a kind of resistance to compression is fallen according to claim 1; It is characterized in that: the paster LED lamp bar that said a kind of resistance to compression is fallen is provided with rotation card is installed, and said rotation is installed card and comprised mounting groove and base, and said base has installing hole; Said mounting groove is connected with base through screw rod and can in 180 degree scopes, rotates flexibly; Said lamp bracket bottom is an installed surface, and there is the edge strip of protrusion said installed surface both sides, and said edge strip is inserted in the said mounting groove.

6. the paster LED lamp bar that said a kind of resistance to compression is fallen according to claim 1; It is characterized in that: the paster LED lamp bar that said a kind of resistance to compression is fallen is provided with magnet absorption and installs; The bottom of said lamp bracket is an installed surface, in the middle of the said installed surface groove is arranged, and is provided with the plurality of magnetic iron block in the said groove.