CN204026585U - A kind of LED lamp circuit board - Google Patents
A kind of LED lamp circuit board Download PDFInfo
- Publication number
- CN204026585U CN204026585U CN201420434130.1U CN201420434130U CN204026585U CN 204026585 U CN204026585 U CN 204026585U CN 201420434130 U CN201420434130 U CN 201420434130U CN 204026585 U CN204026585 U CN 204026585U
- Authority
- CN
- China
- Prior art keywords
- flat metal
- circuit board
- insulating barrier
- led lamp
- lamp circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model provides a kind of LED lamp circuit board, this LED lamp circuit board comprises the flat metal wire of many Alignments and fits in the insulating barrier of flat metal conductive line surfaces, described flat metal wire comprises positive pole, anode power cord and at least one light source line, according to circuit, required excision disconnects described light source line, LED is welded in the position of light source line disconnection or is connected across on adjacent two flat metal wires, the circuit of LED lamp circuit board takes the mode of arranging by periodic unit to design, wherein, in each periodic unit, adopt at least one LED to be connected in series by light source line, between periodic unit, be connected in parallel on power line, insulating barrier outer surface between periodic unit is provided with multiple conductors, described conductor respectively with positive pole, anode power cord electrical connection.It is not enough and be not easy to the problem of erection joint and connecting or disconnecting circuit plate that the utility model efficiently solves pad locations, and simple in structure, is easy to make.
Description
Technical field
The utility model relates to a kind of LED lamp circuit board.
Background technology
Traditional circuit board normally etches circuit with copper-clad plate by chemical mode, this kind of technique environmental pollution is very serious, and the Chinese patent that notification number is CN202048540U discloses a kind of LED lamp circuit board, it adopts three flat conductor Alignments, at the flat conductor that is adhesively fixed with the insulating substrate of glue for one side of flat conductor, a wherein position that flat conductor need disconnect of excision, be made into circuit, at the another side of flat conductor with holding in advance the film of window successfully or doing solder mask with welding resistance ink, finally LED and other elements are welded in wherein on a flat conductor, be made into LED circuit plate, LED and other element adopt two or more LED and other element to be connected in series in each periodic unit, between periodic unit, adopt and are connected in parallel.This kind of LED lamp circuit board is without etching, not to environment, there is following problem in it: its circuit thrusts flat conductor by the mould of fixing and automatic machinery and forms, distance between welding position can not arbitrarily be changed, shown in figure 1, in use, often need to cut short or splice prolongation circuit board, and pad and electronic component are all distributed in the front of circuit board, after cutting off an A-A and cut off between the periodic unit of this kind of circuit board, it is very short that pad 10 will become, in this limited position, also to weld other electronic components such as resistance, be not easy to the concatenation between erection joint or implementing circuit plate, use has been subject to very big restriction.
Utility model content
The purpose of this utility model is to provide a kind of LED lamp circuit board, can address the above problem.
The technical scheme that the utility model adopts is:
A kind of LED lamp circuit board, comprise the flat metal wire and the insulating barrier that fits in flat metal conductive line surfaces of many Alignments, described flat metal wire comprises positive pole, anode power cord and at least one light source line, according to circuit, required excision disconnects described light source line, LED is welded in the position of light source line disconnection or is connected across on adjacent two flat metal wires, the circuit of LED lamp circuit board takes the mode of arranging by periodic unit to design, wherein, in each periodic unit, adopt at least one LED to be connected in series by light source line, between periodic unit, be connected in parallel on power line, insulating barrier outer surface between periodic unit is provided with multiple conductors, described conductor respectively with positive pole, anode power cord electrical connection.
Further, described in be located at the flat metal bar that the conductor of insulating barrier outer surface is many Alignments, described flat metal bar fits in the outer surface of insulating barrier the position corresponding to cathode power supply line or anode power cord.Like this, circuit board is sticking after conductor, and thickness can not increase much yet, can also prevent conductor perk and even come off in the situation of wiring board.
Further, the outer surface of described insulating barrier is also fitted with dielectric film, and a part for described flat metal bar is clipped between insulating barrier and dielectric film, and another part is outside exposed.Dielectric film plays following three effects: one, insulation, improve safety in utilization, and meet safety demand; Two, further flat metal bar is fixed on to insulating barrier outer surface, prevent from coming off; Three, reinforce LED lamp circuit board, improve mechanical strength, more tension.
Further, described circuit board is provided with multiple through holes, and described through hole runs through positive pole, anode power cord and fits in the insulating barrier on positive pole, anode power cord surface, is provided with scolding tin in through hole, between described conductor and power line, is realized and being electrically connected by scolding tin.By this easy reliable structure, between power line and conductor, realize effective affixedly and be electrically connected, and be easy to production operation.
Further, described in fit in flat metal wire lower surface insulating barrier be base material film, described in fit in flat metal wire upper surface insulating barrier be the soldering-resistance layer of holding window successfully.
Further, described flat metal bar and dielectric film are located at the outer surface of base material film, so just have more spatial placement flat metal bar and dielectric film, and can not hinder the welding of LED lamp circuit board front electronic component, also do not affect the outward appearance of circuit board.
It should be noted that, in the utility model, the meaning of " juxtaposition " word is that parallel placement arranged side by side or almost parallel are placed, and the certain distance of each interval.
The beneficial effects of the utility model are: the insulating barrier outer surface between periodic unit arranges multiple conductors that are electrically connected with anodal, anode power cord respectively, be equivalent to the pad of in parallel mouthful to extend to circuit board outside, efficiently solve pad locations not enough and be not easy to the problem of erection joint and connecting or disconnecting circuit plate, and simple in structure, be easy to make.
Brief description of the drawings
Fig. 1 is the stereogram of existing non-aggressive circuit board;
The stereogram of Fig. 2 the utility model embodiment mono-;
Fig. 3 is the profile along B-B line in Fig. 2;
Fig. 4 is another stereogram of the utility model embodiment mono-;
Fig. 5 is the explosive view of the utility model embodiment mono-;
Fig. 6 is the operation chart that the utility model embodiment mono-cuts off along C-C line;
Fig. 7 is the stereogram after the utility model embodiment mono-cuts off along C-C line;
Fig. 8 is that the utility model embodiment mono-cuts off the stereogram after also erection joint along C-C line.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.Described embodiment only, for the technical solution of the utility model is described, does not form the restriction to the utility model rights protection scope.
With reference to the embodiment mono-of Fig. 2 to Fig. 5, a kind of LED lamp circuit board 1 of the present utility model comprises the flat metal wire of three Alignments and fits in the insulating barrier of flat metal conductive line surfaces, described three flat metal wires comprise the positive pole of two flat metal wire compositions, the light source line 18 of anode power cord 17 and other flat metal wire composition, according to circuit, required excision disconnects light source line 18, LED2 is welded in the position that light source line 18 disconnects, the circuit of LED lamp circuit board takes the mode of arranging by periodic unit to design, wherein, in each periodic unit, adopt two LED2 to be connected in series by light source line 18, between several periodic units, rely on two resistance 3 cross-over connections of head and the tail to be connected in parallel between positive-negative power line 17, the insulating barrier that fits in flat metal wire lower surface is base material film 12, and the insulating barrier that fits in flat metal wire upper surface is the soldering-resistance layer 15 of holding window successfully, circuit board 1 is provided with multiple through holes 13, and through hole 13 runs through positive pole, anode power cord 17 and fits in the insulating barrier on positive pole, anode power cord 17 surfaces, is provided with scolding tin 4 in through hole, insulating barrier outer surface between periodic unit is provided with two and separates flat metal bar 52 Alignment, suitable with power line 17 width along circuit board length direction, two flat metal bars 52 fit in the outer surface of base material film 12, and two flat metal bars 52 are realized and being electrically connected by scolding tin 4 with anodal, anode power cord 17 respectively.The outer surface of base material film 12 is also fitted with dielectric film 51, and a part for flat metal bar 52 is clipped between base material film 12 and dielectric film 51, and another part is outside exposed.
The preparation method of LED lamp circuit board of the present utility model comprises the following steps:
A) using placed side by side as the flat conductor of light source line 18 and power line 17, and at light source line placed side by side and power line bottom hot pressing base material film;
B) light source line 17 is carried out die-cut, form multiple mouths that thrust;
C) hold the soldering-resistance layer 15 of window successfully in light source line 18 placed side by side and power line 17 top hot pressing, window is corresponding with LED2 position;
D) get through in the circuit board hole 13, positive pole, anode power cord 17 and positive pole, the surperficial insulating barrier of anode power cord are run through simultaneously;
E) by through hole 13, flat metal bar 52 and dielectric film 51 to good position, utilize laminating technology that wiring board 1, flat metal bar 52 and dielectric film are pressed together;
F) the above-mentioned wiring board pressing together, flat metal bar and dielectric film are welded, make scolding tin 4 be poured into through hole 13, flat metal bar 52 and dielectric film;
G) LED2 and resistance 3 are welded in and adjacently rush incision position or be connected across between adjacent two light source lines.
Above-mentioned welding preferentially adopts reflow soldering process, coats in advance tin cream at through hole, crosses Reflow Soldering machine, makes to permeate in through hole inside after scolding tin thawing, thereby realizes the conducting that is connected between power line and flat metal bar.
With reference to Fig. 6 to Fig. 8, in use, LED lamp circuit board of the present utility model is cut off along the C-C line of cutting off between periodic unit, and then the LED lamp circuit board by joint 6 and after cutting off, to good position, makes the conducting metal 62 of joint 6 contact with flat metal bar 52.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. a LED lamp circuit board, comprise the flat metal wire and the insulating barrier that fits in flat metal conductive line surfaces of many Alignments, described flat metal wire comprises positive pole, anode power cord and at least one light source line, according to circuit, required excision disconnects described light source line, LED is welded in the position of light source line disconnection or is connected across on adjacent two flat metal wires, the circuit of LED lamp circuit board takes the mode of arranging by periodic unit to design, wherein, in each periodic unit, adopt at least one LED to be connected in series by light source line, between periodic unit, be connected in parallel on power line, insulating barrier outer surface between periodic unit is provided with multiple conductors, described conductor respectively with positive pole, anode power cord electrical connection.
2. LED lamp circuit board according to claim 1, it is characterized in that: described in be located at the flat metal bar that the conductor of insulating barrier outer surface is many Alignments, described flat metal bar fits in the outer surface of insulating barrier the position corresponding to cathode power supply line or anode power cord.
3. LED lamp circuit board according to claim 2, is characterized in that: the outer surface of described insulating barrier is also fitted with dielectric film, a part for described flat metal bar is clipped between insulating barrier and dielectric film, and another part is outside exposed.
4. LED lamp circuit board according to claim 1, it is characterized in that: described circuit board is provided with multiple through holes, described through hole runs through positive pole, anode power cord and fits in the insulating barrier on positive pole, anode power cord surface, in through hole, be provided with scolding tin, between described conductor and power line, realize and being electrically connected by scolding tin.
5. LED lamp circuit board according to claim 1, is characterized in that: described in fit in flat metal wire lower surface insulating barrier be base material film, described in fit in flat metal wire upper surface insulating barrier be the soldering-resistance layer of holding window successfully.
6. LED lamp circuit board according to claim 5, is characterized in that: described flat metal bar and dielectric film are located at the outer surface of base material film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434130.1U CN204026585U (en) | 2014-08-01 | 2014-08-01 | A kind of LED lamp circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434130.1U CN204026585U (en) | 2014-08-01 | 2014-08-01 | A kind of LED lamp circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204026585U true CN204026585U (en) | 2014-12-17 |
Family
ID=52066441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434130.1U Expired - Fee Related CN204026585U (en) | 2014-08-01 | 2014-08-01 | A kind of LED lamp circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204026585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318296A (en) * | 2014-08-01 | 2016-02-10 | 鹤山丽得电子实业有限公司 | LED (Light-Emitting Diode) lamp circuit board and manufacturing method thereof |
| CN108286671A (en) * | 2018-02-05 | 2018-07-17 | 深圳市熠鸿光电科技有限公司 | Led light source module |
| CN113131291A (en) * | 2021-03-11 | 2021-07-16 | 东莞市晟合科技有限公司 | Connecting wire carrying electronic component and manufacturing method thereof |
-
2014
- 2014-08-01 CN CN201420434130.1U patent/CN204026585U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318296A (en) * | 2014-08-01 | 2016-02-10 | 鹤山丽得电子实业有限公司 | LED (Light-Emitting Diode) lamp circuit board and manufacturing method thereof |
| CN108286671A (en) * | 2018-02-05 | 2018-07-17 | 深圳市熠鸿光电科技有限公司 | Led light source module |
| CN113131291A (en) * | 2021-03-11 | 2021-07-16 | 东莞市晟合科技有限公司 | Connecting wire carrying electronic component and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180801 |