CN209431152U

CN209431152U - It is a kind of first to position the LED light bar for putting tin afterwards

Info

Publication number: CN209431152U
Application number: CN201920196927.5U
Authority: CN
Inventors: 唐勇
Original assignee: YLin Electronics Co Ltd
Current assignee: YLin Electronics Co Ltd; Yonglin Electronics Co Ltd
Priority date: 2019-02-14
Filing date: 2019-02-14
Publication date: 2019-09-24
Anticipated expiration: 2029-02-14

Abstract

The utility model discloses a kind of first position to put the LED light bar of tin afterwards.The LED light bar includes pcb board；And it is arranged on the pcb board, the LED lamp bead being electrically connected with the pcb board；It is provided on the pcb board and is electrically connected with pcb board circuit, and upwardly extend, there is conducting function, the limited post matched with LED lamp bead；The LED lamp bead is equipped with the point tin through-hole matched with the limited post.This programme is during installation, first the point tin through-hole in LED lamp bead is inserted on limited post, one fixation is carried out to LED lamp bead, after the completion of fixation, tin is carried out in tin through-hole, then carry out Reflow Soldering, tin cream at this time is just electrically connected limited post and conducting wire both ends, the fixation of LED lamp bead and pcb board is realized, quite convenient, there is no problems short-circuit between two pads on pcb board.

Description

It is a kind of first to position the LED light bar for putting tin afterwards

Technical field

The utility model relates to LED technology field, the LED light bar of tin is put afterwards more particularly to a kind of first position.

Background technique

Light emitting diode is referred to as LED.It is made of the compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N) etc..

Visible light can be given off when electronics and hole-recombination, thus can be used to that light emitting diode is made.In circuit and Indicator light, or composition text or number display are used as in instrument.Gallium arsenide diode glows, gallium phosphide diode greening Light, silicon carbide diode Yellow light-emitting low temperature, gallium nitride diode blue light-emitting.Because chemical property divides Organic Light Emitting Diode OLED and nothing again Machine Light-emitting diode LED.

LED light bar on the market now carries out tin on typically present pcb board pad, then by LED lamp bead one Put up, due to having put tin, position needed to pay attention to when putting, seriously affect efficiency, and when a lamp bead put it is askew excessive, During mobile lamp bead, it may cause tin on two pads and contact, lead to short circuit, it is fairly cumbersome.

Therefore, tin is put after needing a kind of first positioning for being able to solve one or more problem of the above problem on the market now LED light bar.

Utility model content

For solve the problems, such as it is existing in the prior art one or more, the utility model provide it is a kind of first position after point The LED light bar of tin.

Used technical solution is the utility model in order to achieve the above objectives: it is a kind of first to position the LED light bar for putting tin afterwards, The LED light bar includes pcb board；And it is arranged on the pcb board, the LED lamp bead being electrically connected with the pcb board；

The pcb board includes PCB substrate；The circuit being etched on the pcb board；Be covered on the circuit, play every Insulating layer from effect；It is arranged on the circuit, is electrically connected with the circuit, the weldering for being welded with LED lamp bead positive and negative anodes Disk；And be arranged on the pad, and upwardly extend, there is conducting function, the limited post matched with LED lamp bead；

The LED lamp bead includes LED support；Two are disposed longitudinally on the LED support, and run through the LED support, The point tin through-hole matched with the limited post；Two are arranged in the LED support, and one end is exposed on the LED support End face, the other end are exposed to the conducting wire in described tin through-hole；Be fixed on the LED support, and positive and negative anodes respectively with Two conducting wires are exposed to the LED luminescence chip of one end electrical connection of the LED support upper surface；And it is filling described Outside LED luminescence chip, the conducting wire is exposed to the LED fluorescent glue of one end sealing of the LED support upper surface.

In some embodiments, the circuit is series circuit or parallel circuit.

In some embodiments, longitudinal projection's area equation of longitudinal projection's area of the pad and the limited post.

In some embodiments, the limited post is copper post.

In some embodiments, the LED support upper surface is equipped with a circular groove；The LED luminescence chip setting At the circular groove center.

In some embodiments, the conducting wire that one stretches out for described conducting wire one end is additionally provided in described tin through-hole to stretch out Seat.

In some embodiments, the conducting wire stretches out upwardly from the upper end that the conducting wire stretches out seat.

The beneficial effects of the utility model are: compared to the prior art, the utility model during installation, first by LED lamp bead On point tin through-hole be inserted on limited post, a fixation is carried out after the completion of fixed to LED lamp bead and is carried out in tin through-hole Point tin, then Reflow Soldering is carried out, tin cream at this time is just electrically connected limited post and conducting wire both ends, realizes LED lamp bead and PCB The fixation of plate, quite convenient, there is no problems short-circuit between two pads on pcb board.

Detailed description of the invention

Fig. 1, which is that the utility model preferred embodiment is a kind of, first positions the structural schematic diagram for putting the LED light bar of tin afterwards；

Fig. 2 be the utility model preferred embodiment it is a kind of first position A-A in the LED light bar Fig. 1 for putting tin afterwards to cross-sectional view；

Fig. 3, which is that the utility model preferred embodiment is a kind of, first positions the portion a enlarged drawing in the LED light bar convex 2 for put afterwards tin；

Fig. 4 is a kind of top view for first positioning pcb board in the LED light bar for putting tin afterwards of the utility model preferred embodiment；

Fig. 5 is a kind of side view for first positioning pcb board in the LED light bar for putting tin afterwards of the utility model preferred embodiment；

Fig. 6 is a kind of enlarged drawing for first positioning the portion b in the LED light bar Fig. 5 for putting tin afterwards of the utility model preferred embodiment；

Fig. 7 is that a kind of first position in the LED light bar for putting tin afterwards LED lamp bead omission LED glimmering for the utility model preferred embodiment The structural schematic diagram of optical cement；

Fig. 8 is that a kind of first position in the LED light bar for putting tin afterwards LED lamp bead omission LED glimmering for the utility model preferred embodiment The cross-sectional view of optical cement；

Fig. 9 is a kind of structural representation for first positioning LED lamp bead in the LED light bar for putting tin afterwards of the utility model preferred embodiment Figure.

Specific embodiment

To keep the above objects, features, and advantages of the utility model more clear and easy to understand, with reference to the accompanying drawing to this The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific embodiment opened.

As shown in figs. 1-9, the utility model provides a kind of LED light bar for first positioning and putting tin afterwards, the LED light bar Including pcb board 10；And it is arranged on the pcb board 10, the LED lamp bead 20 being electrically connected with the pcb board 10；

The pcb board 10 includes PCB substrate 11；The circuit 12 being etched on the pcb board 10；It is covered on the circuit 12 On, play the insulating layer (not marking in figure) of buffer action；It is arranged on the circuit 12, is electrically connected with the circuit 12, is used In the pad 13 welded with 20 positive and negative anodes of LED lamp bead；And be arranged on the pad 13, and upwardly extend, there is conductive function Can, the limited post 14 matched with LED lamp bead 20；

The LED lamp bead 20 includes LED support 21；Two are disposed longitudinally on the LED support 21, and through described LED support 21, the point tin through-hole 22 matched with the limited post 14；Two are arranged in the LED support 21, and one end is exposed In 21 upper surface of LED support, the other end is exposed to the conducting wire 23 in described tin through-hole 22；It is fixed at the LED On bracket 21, and positive and negative anodes are respectively electrically connected with one end that two conducting wires 23 are exposed to 21 upper surface of LED support LED luminescence chip 24；And it is filling outside the LED luminescence chip 24, the conducting wire 23 is exposed on the LED support 21 The LED fluorescent glue 25 of one end sealing of end face.

Specifically, the point tin through-hole 22 in LED lamp bead 20 when implementing, is directed at the limit on pcb board 10 first by this programme LED lamp bead 20 is limited it in 10 transverse plane of pcb board and is moved, at this time by position column 14 by limited post 14 and point tin through-hole 22 LED lamp bead 20 and pcb board 10 also in off-state, i.e. off state, at this point, toward point tin through-hole 22 in carry out tin, need It is noted that the product of obstructed specification has stretched out in a height for tin through-hole 22 due to the height and conducting wire 23 of limited post 14 Difference, so needing to control the point tin amount of different specification products during tin.

Here the height of the position that we stretch out point tin through-hole 22 with 14 height of limited post and conducting wire 23 is equal to be said It is bright, since the height of the two is equal, then we are during tin, it is only necessary to which a small amount of tin cream on point can be realized two Connection between person.

Meanwhile if we need to reinforce bonding strength longitudinal between the two, the dosage of tin cream can also be increased, to increase Add fixation between the two.

After the completion of point tin, this lamp bar is carried out Reflow Soldering, the i.e. preliminary connection installation of completion LED light bar again by us.

In some embodiments, the circuit 12 is series circuit 12 or parallel circuit 12.

Specifically, the circuit 12 on pcb board 10 can be series connection, or it is in parallel, it can carry out according to actual needs Selection, is generally used mode in parallel on the market now, when the lamp bead damage wherein of this mode, does not influence other lamps Pearl shines.

In some embodiments, longitudinal projection's area phase of longitudinal projection's area of the pad 13 and the limited post 14 Deng.

In some embodiments, the limited post 14 is copper post.

In some embodiments, 21 upper surface of LED support is equipped with a circular groove 26；The LED luminescence chip 24 are arranged at 26 center of circular groove.

In some embodiments, the conducting wire that one stretches out for described 23 one end of conducting wire is additionally provided in described tin through-hole 22 to stretch Seat 27 out.

In some embodiments, the conducting wire 23 stretches out upwardly from the upper end that the conducting wire stretches out seat 27.

The utility model also proposed a kind of LED lamp bead 20 for first positioning and putting tin afterwards, and the LED lamp bead 20 includes LED branch Frame 21；Two are disposed longitudinally on the LED support 21, and run through the point tin through-hole 22 of the LED support 21；Two settings exist In the LED support 21, one end is exposed to 21 upper surface of LED support, and the other end is exposed in described tin through-hole 22 Conducting wire 23；It is fixed on the LED support 21, and positive and negative anodes are exposed to the LED branch with two conducting wires 23 respectively The LED luminescence chip 24 of one end electrical connection of 21 upper surface of frame；And it is filling outside the LED luminescence chip 24, it is led described Line 23 is exposed to the LED fluorescent glue 25 of one end sealing of 21 upper surface of LED support.

The utility model also proposed a kind of pcb board 10 with conductive limited post 14, and the pcb board 10 includes PCB base Plate 11；The circuit 12 being etched on the pcb board 10；It is covered on the circuit 12, plays the insulating layer of buffer action (in figure It does not mark)；It is arranged on the circuit 12, is electrically connected with the circuit 12, the pad for being welded with 20 positive and negative anodes of LED lamp bead 13；And be arranged on the pad 13, and upwardly extend, there is conducting function, the limited post matched with LED lamp bead 20 14。

In some embodiments, the limited post 14 is copper post.

In conclusion the utility model is during installation, the point tin through-hole 22 in LED lamp bead 20 is first inserted into limited post 14 On, a fixation is carried out after the completion of fixed to LED lamp bead 20 and carries out tin in tin through-hole 22, then carry out Reflow Soldering, this When tin cream just limited post 14 and 23 both ends of conducting wire are electrically connected, realize the fixation of LED lamp bead 20 Yu pcb board 10, phase When conveniently, there is no problems short-circuit between two pads 13 on pcb board 10.

Two kinds of embodiments of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims

1. a kind of first position the LED light bar for putting tin afterwards, which is characterized in that the LED light bar includes pcb board；And setting is in institute It states on pcb board, the LED lamp bead being electrically connected with the pcb board；

The pcb board includes PCB substrate；The circuit being etched on the pcb board；It is covered on the circuit, plays isolation and make Insulating layer；It is arranged on the circuit, is electrically connected with the circuit, the pad for being welded with LED lamp bead positive and negative anodes；With And be arranged on the pad, and upwardly extend, there is conducting function, the limited post matched with LED lamp bead；

The LED lamp bead includes LED support；Two are disposed longitudinally on the LED support, and run through the LED support, with institute State the point tin through-hole that limited post matches；Two are arranged in the LED support, and one end is exposed to the LED support upper surface, The other end is exposed to the conducting wire in described tin through-hole；It is fixed on the LED support, and positive and negative anodes are respectively with described two Bar conducting wire is exposed to the LED luminescence chip of one end electrical connection of the LED support upper surface；And it is filling luminous in the LED Outside chip, the conducting wire is exposed to the LED fluorescent glue of one end sealing of the LED support upper surface.

2. according to claim 1 first position the LED light bar for putting tin afterwards, which is characterized in that the circuit is series circuit Or parallel circuit.

3. according to claim 1 first position the LED light bar for putting tin afterwards, which is characterized in that the longitudinal projection of the pad Longitudinal projection's area equation of area and the limited post.

4. according to claim 3 first position the LED light bar for putting tin afterwards, which is characterized in that the limited post is copper post.

5. according to claim 1 first position the LED light bar for putting tin afterwards, which is characterized in that on the LED support upper surface Equipped with a circular groove；The LED luminescence chip is arranged at the circular groove center.

6. according to claim 1 first position the LED light bar for putting tin afterwards, which is characterized in that also set in described tin through-hole There is a conducting wire stretched out for described conducting wire one end to stretch out seat.

7. according to claim 6 first position the LED light bar for putting tin afterwards, which is characterized in that the conducting wire is from the conducting wire The upper end for stretching out seat is stretched out upwardly.