CN202747089U

CN202747089U - Flexible light-emitting diode (LED) SMD lamp band

Info

Publication number: CN202747089U
Application number: CN2012204116198U
Authority: CN
Inventors: 伍锦洪; 任中旭; 高耀佳
Original assignee: Zhongshan City Xiongguang Optoelectronic Science & Technology Co Ltd
Current assignee: Zhongshan City Xiongguang Optoelectronic Science & Technology Co Ltd
Priority date: 2012-08-17
Filing date: 2012-08-17
Publication date: 2013-02-20
Anticipated expiration: 2022-08-17

Abstract

The utility model discloses a flexible light-emitting diode (LED) SMD lamp band which comprises a driving power source, a transparent core wire and a transparent coating layer used for coating the transparent core wire. The transparent core wire is provided with a T-shaped groove and wire containing grooves. A flexible printed circuit board (PCB) is arranged in the T-shaped groove. The flexible PCB board is provided with an LED chip and a current-limiting resister. Wires are arranged in the wire containing groove. The wires are connected with the flexible PCB in an electric mode. The driving power source is connected with the wires by external wires in an electric mode. Service life of the products is prolonged and usage cost is reduced. The LED chip faces towards the bottom of the T-shaped groove, and therefore light combining effect of the lamp band is ideal and the light is balanced and continuous. The wire containing grooves are arranged at the two sides of the opening end of the T-shaped groove, and therefore the inner space of the transparent core wire can be utilized effectively and compact in structure. The flexible LED SMD lamp band is capable of reducing the thickness of the lamp band, reducing raw materials, reducing production cost and applying to the field of advertisement, sopraporta, city lightening, decoration and the like in a wide range.

Description

A kind of flexible LED surface-mounted lamp band

Technical field

The utility model relates to a kind of illuminating lamp, particularly a kind of flexible LED surface-mounted lamp band.

Background technology

The LED surface-mounted lamp band is widely used in fields such as advertisement, sopraporta, city lighting and decorations.China Patent No. is " ZL2010202713284 ", the utility model patent file that name is called " a kind of flexible LED surface-mounted lamp band " discloses a kind of flexible light band, the technical scheme that this flexible light band adopts is: comprise soft copper plate and transparent heart yearn, described transparent heart yearn is embedded soft copper plate and at least two power lines along its length, voltage between the power line is 220V, LED SMD lamp pearl is arranged on soft copper plate positive (referring to claim 1), transparent heart yearn inside is provided with the cross section and is the T-shaped cavity that is used for placing the soft copper plate, LED SMD lamp pearl on the soft copper plate is towards the opening direction of cavity, the transparent clad of the outside closely coating of transparent heart yearn, in order not shut out the light, article two, the power line trailing flank that is positioned at the soft copper plate near the position of both sides (referring to Fig. 3, claim 2), this class lamp band has following shortcoming:

1, because the operating current of present SMD lamp pearl is low-voltage direct, its driving power must be arranged on the inside of lamp band, because the heat that produces in the driving power work is larger, and these heats can not in time leave, can cause the temperature of lamp band to raise, accelerate the light decay of LED SMD lamp pearl, make transparent heart yearn, the aging acceleration of clad and transparent heart yearn, clad softening transform etc.

2, compare components and parts LED SMD lamp pearl, current-limiting resistance in the lamp band, the fault rate of driving power is much higher, if the driving power fault must cause whole piece lamp band to be scrapped, change the increase that whole piece lamp band must cause use cost, cause great waste.

3, LED SMD lamp pearl is towards the opening direction of cavity, LED SMD lamp pearl towards face be that the positive variable thickness of lamp band causes, the brightness that must occur the little re-entrant portion of thickness and other positions after lighting is inconsistent, the effect that impact is used, and because re-entrant portion only has the clad of thin layer, light mixing effect is bad, causes the light uniformity of lamp band relatively poor.

4, because two power lines are positioned at the trailing flank of soft copper plate near the position of both sides, the position of cavity both sides (positions among Fig. 3 shown in 2) does not then effectively utilize, and structure is not compact, causes the thickness of lamp band larger, and cause raw-material waste, must cause the increase of production cost.

The utility model content

In order to overcome the deficiencies in the prior art, the utility model provide a kind of light evenly, compact conformation, thickness is little, production cost is low flexible LED surface-mounted lamp band.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of flexible LED surface-mounted lamp band, comprise driving power, the transparent clad that transparent heart yearn is outer with being coated on described transparent heart yearn, described transparent heart yearn is provided with along its T-shaped groove of vertically arranging and two wire storage tanks, be placed with the flexible PCB plate in the described T-shaped groove, described flexible PCB plate is provided with two electrodes, be provided with some two led chip and current-limiting resistances between the electrode that are connected on the described flexible PCB plate, respectively be placed with a wire in described two wire storage tanks, article two, described wire is electrically connected with two described electrodes respectively, described driving power is electrically connected with two described wires by outer lead, and described led chip is towards the bottom of described T-shaped groove.

Described wire storage tank is arranged on the both sides of described T-shaped channel opening end.

Be provided with plug on the input wire of described driving power, be provided with power connection on the wire of output terminal, described power connection be provided with two with the described electric mortiser pin that wire is corresponding, after described power connection was inserted into an end of described lamp band, described electric mortiser pin contacted with described wire to form and is electrically connected.

The beneficial effects of the utility model are:

1, driving power of the present utility model separates with the lamp band, driving power is connected by outer lead with the lamp band, the heat that produces in the driving power work on the one hand can not affect the lamp band, prolonged the service life of product, only need on the other hand to change driving power after the driving power fault and get final product, reduced use cost.

2, led chip of the present utility model is towards the bottom of described T-shaped groove, led chip towards the lamp zone face be the front consistency of thickness of lamp band, and thickness is larger, light mixing effect is desirable, light is evenly, continuously.

3, the wire storage tank is arranged on the both sides of T-shaped channel opening end, has effectively utilized space in the transparent heart yearn, and compact conformation has reduced the thickness of lamp band, has also reduced raw material, has reduced production cost.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the structural representation that lamp band of the present utility model is connected to form the lamp bar;

Fig. 2 is the structural representation of lamp band;

Fig. 3 is the sectional view of direction shown in the A-A among Fig. 2.

The specific embodiment

With reference to Fig. 2, Fig. 3, a kind of flexible LED surface-mounted lamp band, comprise driving power 8, transparent heart yearn 26 and the transparent clad 24 that is coated on outside the described transparent heart yearn 26, described transparent heart yearn 26 is provided with along its T-shaped groove 25 of vertically arranging and two wire storage tanks 27, be placed with flexible PCB plate 21 in the described T-shaped groove 25, be provided with some two led chip 20 and current-limiting resistances 23 between the electrode that are connected on the described flexible PCB plate 21, respectively be placed with a wire 22 in described two wire storage tanks 27, the length of wire is identical with the length of lamp band, its two described wires 22 are electrically connected with two described electrodes respectively, in the present embodiment, two electrodes lay respectively at the two ends of described flexible PCB plate 21.

Described driving power 8 is electrically connected with two described wires 22 by outer lead 7, because driving power separates with the lamp band, the heat that produces in the driving power work on the one hand can not affect the lamp band, prolonged the service life of product, only need on the other hand to change driving power after the driving power fault and get final product, reduced use cost.

Described led chip 20 is towards the bottom of described T-shaped groove 25, led chip towards the lamp zone face be the front consistency of thickness of lamp band, and thickness is larger, light mixing effect is desirable, light is evenly, continuously.

Described wire storage tank 27 is arranged on the both sides of described T-shaped groove 25 openends, has effectively utilized space in the transparent heart yearn, and compact conformation has reduced the thickness of lamp band, has also reduced raw material, has reduced production cost.

Make respectively first during production and welded the flexible PCB plate of led chip and current-limiting resistance, transparent heart yearn and wire, transparent heart yearn adopts extruding-out process to make, in the process of extrusion molding, just form T-shaped groove and two wire storage tanks, article two, the opening 28 of wire storage tank can form in the process of extrusion molding, also can be that the follow-up manual blade scribing that adopts forms.Flexible PCB plate and two wire bonds are formed electrical connection, then flexible PCB plate and two wires are put into respectively T-shaped groove and two wire storage tanks, get final product at the peripheral clad that forms of the transparent heart yearn that assembles flexible PCB plate and wire by extruding-out process more at last.

Connect for convenient, be provided with plug 9 on the input wire 7 of described driving power 8, be provided with power connection 6 on the wire of output terminal 7, described power connection 6 is provided with two electric mortiser pins 5 corresponding with described wire 22, after described power connection 6 was inserted into an end of described lamp band, described electric mortiser pin 5 contacted with described wire 22 to form and is electrically connected.

With reference to Fig. 1, in order to form longer lamp bar, can adopt intermediate connector 4 that many lamp bands 2 are coupled together, intermediate connector 4 is provided with conduction connecting needle 3, only need two adjacent lamp bands 2 are plugged on the both sides of intermediate connector 4, and make conduction connecting needle 3 connect the wire of two lamp bands, then fix and get final product, an end grafting power source joint 6 on the lamp bar that forms, the other end is installed a seal head 1 and is got final product, and connects simple, convenient, like this, be equivalent to many lamp bands and be connected in parallel in the circuit, the user can have more needs to connect many lamp bands to form required length, can be widely used in advertisement, sopraporta, the field such as city lighting and decoration.

Claims

1. flexible LED surface-mounted lamp band, comprise driving power (8), transparent heart yearn (26) and be coated on the outer transparent clad (24) of described transparent heart yearn (26), described transparent heart yearn (26) is provided with along its T-shaped groove (25) of vertically arranging and two wire storage tanks (27), be placed with flexible PCB plate (21) in the described T-shaped groove (25), described flexible PCB plate (21) is provided with two electrodes, be provided with some two led chip (20) and current-limiting resistances (23) between the electrode that are connected on the described flexible PCB plate (21), respectively be placed with a wire (22) in described two wire storage tanks (27), it is characterized in that: two described wires (22) are electrically connected with two described electrodes respectively, described driving power (8) is electrically connected with two described wires (22) by outer lead (7), and described led chip (20) is towards the bottom of described T-shaped groove (25).

2. flexible LED surface-mounted lamp band according to claim 1 is characterized in that described wire storage tank (27) is arranged on the both sides of described T-shaped groove (25) openend.

3. flexible LED surface-mounted lamp band according to claim 1, it is characterized in that being provided with plug (9) on the input wire of described driving power (8), be provided with power connection (6) on the wire of output terminal, described power connection (6) is provided with two electric mortiser pins (5) corresponding with described wire (22), after described power connection (6) was inserted into an end of described lamp band, described electric mortiser pin (5) contacted with described wire (22) to form and is electrically connected.