CN101872833B - LED signal lamp, PCB (Printed Circuit Board) substrate structure thereof and light source assembly - Google Patents
LED signal lamp, PCB (Printed Circuit Board) substrate structure thereof and light source assembly Download PDFInfo
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- CN101872833B CN101872833B CN2010101776952A CN201010177695A CN101872833B CN 101872833 B CN101872833 B CN 101872833B CN 2010101776952 A CN2010101776952 A CN 2010101776952A CN 201010177695 A CN201010177695 A CN 201010177695A CN 101872833 B CN101872833 B CN 101872833B
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- led signal
- light source
- signal lamp
- solder joint
- pcb substrate
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Abstract
The invention is suitable for the field of electric lamps and provides an LED signal lamp, a PCB (Printed Circuit Board) substrate structure thereof and a light source assembly. In the invention, the PCB substrate structure of the LED signal lamp is optimized, for example, the periphery of the PCB substrate is provided with a series of welding spot groups used for welding LEDs, and the welding spot groups are connected in series; the middle part of the PCB substrate is provided with an anode pad and a cathode pad, and the positions of the pads are respectively provided with a through hole; and the PCB substrate and a lamp body are electrically connected together through two conducting rods respectively passing through the through hole of the anode pad position and the through hole of the cathode pad position. In this way, the LED signal lamp adopting the PCB substrate structure is convenient to assemble and maintain, and after the LED signal lamp is vibrated, the PCB substrate is not easy to loosen; and stable electric connection can also be formed between the conducting rods and the PCB substrate so as to avoid the phenomenon that the LED signal lamp is extinguished because of power down.
Description
Technical field
The invention belongs to field of lamps, relate in particular to a kind of LED signal lamp PCB board structure, light source assembly and LED signal lamp.
Background technology
LED is low owing to energy consumption, long service life is widely used on the signal lamp.Existing LED signal lamp shown in Fig. 1 a and 1b, comprises lamp body 100 and light source assembly 102, and light source assembly 102 and draw-in groove 101 clampings that are arranged on the lamp body 100, and the electrical connection between each light source assembly 102 links together by the wire bonds mode.Because the employing snap fit is fixedlyed connected between the light source assembly 102 of existing LED signal lamp and the lamp body 100, this fixedly connected mode assembly manipulation complexity, and be easy to get loose when vibrating for a long time suffering; And the electrical connection between the light source assembly 102 connects by the wire bonds mode, and this welding operation complexity easily forms rosin joint, and pad also is easy to get loose when being subjected to vibrating, and influences the operate as normal of LED signal lamp.
Summary of the invention
The object of the invention is to provide a kind of LED signal lamp PCB board structure, in order to solve the problem that there is assembling in above-mentioned LED signal lamp, safeguards and be easy to get loose.
Design of the present invention: a kind of LED signal lamp PCB board structure, described LED signal lamp PCB board structure comprises a PCB substrate, described PCB contour substrate is constructed the structure that is centrosymmetric, upper surface and/or lower surface in described PCB substrate periphery are provided with the solder joint group unit that many groups are used for welding LED, and every group of described solder joint group unit comprises a plurality of solder joint groups; Described solder joint group comprises anodal solder joint and negative pole solder joint, forms the tandem syndeton by lead between the solder joint group in each solder joint group unit; Form parallel syndeton between a plurality of described solder joint groups unit, the two ends of this parallel syndeton are electrically connected to positive terminal pad and the negative terminal pad that described PCB substrate central region arranges by lead respectively, and described pad locations is respectively arranged with through hole.
Another object of the present invention is to provide a kind of LED signal light source component, comprise a plurality of LED, described LED signal light source component also comprises above-mentioned PCB board structure; Two pins of each described LED are electrically connected with the solder joint group of PCB substrate surface periphery respectively.
Another purpose of the present invention is to provide a kind of LED signal lamp, and wherein, described LED signal lamp comprises above-mentioned LED signal light source component.
Compared with prior art, the present invention is by optimizing LED signal lamp PCB board structure, as, periphery at its PCB substrate is provided with a series of solder joint groups for welding LED, and adopt between the solder joint group and be connected in series, and be provided with positive terminal pad and negative terminal pad in the central region of PCB substrate, and offer through hole at the pad locations place; During practical application, be electrically connected by two conducting rods that run through positive terminal pad position through hole and negative terminal pad position through hole respectively between PCB substrate and the lamp body.Like this, adopt the LED signal lamp of PCB board structure of the present invention, in assembling, also just more convenient to operate when safeguarding, and after being vibrated, the PCB substrate also is difficult for getting loose, firm electrical connection can also be formed between conducting rod and the PCB substrate, thereby LED signal lamp phenomenon due to power down the lights can be avoided.
Description of drawings
Fig. 1 a and 1b are the structural representation of existing LED signal lamp;
Fig. 2 is the wiring schematic diagram of the LED signal lamp PCB board structure that provides of the embodiment of the invention;
Fig. 3 is the structural representation of the LED signal light source component that provides of the embodiment of the invention;
Fig. 4 is the structural representation of the LED signal light source component combination that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
LED signal lamp pCB board structure comprises a PCB substrate, and the profile of PCB substrate structure is centrosymmetric, as circle, ellipse, triangle, square, pentagon, hexagon etc.Select circle in the embodiment of the invention for use.
The LED signal lamp PCB board structure that the embodiment of the invention provides is selected individual layer PCB substrate 10 for use, also can select the multi-layer PCB substrate for use as required.
In the embodiment of the invention, upper surface and/or lower surface at PCB substrate 10 peripheries are provided with two groups of solder joint group unit that are used for welding LED, as shown in Figure 2, be dividing line with center line C, divide A-A and B-B two solder joint group unit pointed, also can as required three groups of above solder joint group unit be set.Every assembly welding point group unit comprises a plurality of solder joint groups 13, and described solder joint group 13 comprises anodal solder joint 12 and negative pole solder joint 11, by lead, just covers copper and is connected to form the tandem syndeton between the solder joint group 13 in each solder joint group unit; Form parallel syndeton between A-A and B-B two solder joint group unit pointed, lead is passed through at the two ends of this parallel syndeton respectively, just cover copper and be electrically connected to positive terminal pad 14 and the negative terminal pad 15 that PCB substrate 10 central region arrange, positive terminal pad 14 and negative terminal pad 15 positions are respectively arranged with through hole 17 and through hole 16, through hole 17 and through hole 16 peripheries adopt conductive material, as copper, be used for realizing being electrically connected respectively with positive pole and the negative pole of power supply.Adopt the PCB board structure of this design, can reduce the welding times of wire bonds in the assembling process, thereby simplified workload greatly, further reduce the possibility that solder joint gets loose.
The LED signal lamp need provide the signal indication of 360 ° of horizontal directions when reality is used, and the strong and weak light of index signal that each orientation provides should be consistent.Therefore, the embodiment of the invention has been done further improvement, and as shown in Figure 2, described solder joint group 13 is equidistant even distribution on PCB substrate 10.
For the convenience of assembling, the embodiment of the invention has also been done further technological improvement, and positive terminal pad 14 is located at the center of PCB substrate 10, and these positive terminal pad 14 position through holes 17 also are positioned at the center of PCB substrate 10.Like this, can provide green hand (operative employee) assembling speed, reduce the green hand greatly and the wrong problem of positive and negative electrode welding in assembling process, occurs.The embodiment of the invention also can be as required, and negative terminal pad 15 is located at the center of PCB substrate 10, and these negative terminal pad 15 position through holes 16 also are positioned at the center of PCB substrate 10.
The embodiment of the invention also provides a kind of LED signal light source component, comprises a plurality of LED 20, as shown in Figure 3, and the circuit mounting panel when this light source assembly adopts above-mentioned PCB board structure to install as LED20; Wherein, two pins of LED20, as anodal and negative pole be welded on respectively the solder joint group 13 of PCB substrate 10 surface perimeter positive pad 12, bear on the pad 11, and to be arranged to level outside on the top of LED 20; Like this, make and form a series connection circuit between each solder joint group 13 and positive terminal pad 14 and negative terminal pad 15 on the PCB substrate 10, the input of the power supply of this series circuit is the conductive material of positive terminal pad 14 and through hole 17 peripheries thereof just very, and the power supply input negative pole of this series circuit is the conductive material of negative terminal pad 15 and through hole 16 peripheries thereof.
The embodiment of the invention also provides a kind of LED signal lamp, and this signal lamp is equipped with above-mentioned LED signal light source component.In the middle of practical application, each LED signal lamp may comprise plural LED signal light source component, as shown in Figure 4; Link together by conducting rod 30 and the conducting rod 31 that runs through positive terminal pad position through hole 17 and negative terminal pad position through hole 16 respectively between each LED signal light source component, and tie point adopts fastening-type to connect, as conducting rod 30 and conducting rod 31 outer surfaces screw thread is set, conducting rod carries out screw thread with the PCB substrate of LED signal light source component by securing member fixedlys connected, conducting rod 30 and conducting rod 31 become the lead that is connected of circuit, then form a circuit in parallel between each light source assembly.Wherein, keep certain intervals between each light source assembly, be about about 20mm.Adopt this fastening structure, can avoid light source assembly to occur getting loose, also saved welding procedure simultaneously, thereby simplified assembly technology.Also can adopt between conducting rod and the PCB substrate and clamp structure as fastener, be about to the through hole that conducting rod inserts the PCB substrate, form clamping and install.
As shown in Figure 4, be arranged with insulating sleeve 33 on conducting rod 30 between the LED signal light source component and the conducting rod 31, as rubber bush, bakelite sleeve etc., and the external diameter of insulating sleeve 33 is greater than the positive terminal pad 14 position through holes 17 on the PCB substrate 10 and the external diameter of negative terminal pad 15 position through holes 16.Like this, can avoid light source assembly to slide.And conducting rod 30 and conducting rod 31 are polygon copper bar, also can be the cylindrical, copper bar.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. LED signal lamp PCB board structure, it is characterized in that, described LED signal lamp PCB board structure comprises a PCB substrate, described PCB contour substrate is constructed the structure that is centrosymmetric, upper surface and/or lower surface in described PCB substrate periphery are provided with the solder joint group unit that many groups are used for welding LED, and every group of described solder joint group unit comprises a plurality of solder joint groups; Described solder joint group comprises anodal solder joint and negative pole solder joint, forms the tandem syndeton by lead between the solder joint group in each solder joint group unit; Form parallel syndeton between a plurality of described solder joint groups unit, the two ends of this parallel syndeton are electrically connected to positive terminal pad and the negative terminal pad that described PCB substrate central region arranges by lead respectively, and described pad locations is respectively arranged with through hole.
2. PCB board structure as claimed in claim 1 is characterized in that, described solder joint group arranges in PCB substrate equal intervals.
3. PCB board structure as claimed in claim 1 is characterized in that, arbitrary through hole is positioned at the center of described PCB substrate in described positive terminal pad position through hole and the negative terminal pad position through hole.
4. a LED signal light source component comprises a plurality of LED, it is characterized in that, described LED signal light source component also comprises each described PCB board structure as claim 1-3; Two pins of each described LED are electrically connected with the solder joint group of PCB substrate surface periphery respectively.
5. a LED signal lamp is characterized in that, described LED signal lamp comprises LED signal light source component as claimed in claim 4.
6. LED signal lamp as claimed in claim 5, it is characterized in that, described LED signal lamp comprises plural LED signal light source component, link together by two conducting rods that run through positive terminal pad position through hole and negative terminal pad position through hole respectively between described each LED signal light source component, make and form the circuit that is connected in parallel between the LED signal light source component.
7. LED signal lamp as claimed in claim 6 is characterized in that, leaves spacing between the described LED signal light source component.
8. as claim 6 or 7 described LED signal lamps, it is characterized in that described conducting rod outer surface arranges screw thread, described conducting rod carries out screw thread with described LED signal light source component by securing member fixedlys connected.
9. LED signal lamp as claimed in claim 8 is characterized in that, the conducting rod between described LED signal light source component is arranged with insulating sleeve, and the external diameter of described insulating sleeve is greater than the diameter of described pad locations through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101776952A CN101872833B (en) | 2010-05-17 | 2010-05-17 | LED signal lamp, PCB (Printed Circuit Board) substrate structure thereof and light source assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101776952A CN101872833B (en) | 2010-05-17 | 2010-05-17 | LED signal lamp, PCB (Printed Circuit Board) substrate structure thereof and light source assembly |
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| Publication Number | Publication Date |
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| CN101872833A CN101872833A (en) | 2010-10-27 |
| CN101872833B true CN101872833B (en) | 2013-08-07 |
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| CN2010101776952A Active CN101872833B (en) | 2010-05-17 | 2010-05-17 | LED signal lamp, PCB (Printed Circuit Board) substrate structure thereof and light source assembly |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916820B (en) * | 2010-06-25 | 2013-10-02 | 海洋王照明科技股份有限公司 | Wiring base plate structure of LED signal lamp, light source assembly and LED signal lamp |
| CN111503541A (en) * | 2020-04-27 | 2020-08-07 | 绍兴市越慈芯微电子科技有限公司 | Production process of copper wire lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6659632B2 (en) * | 2001-11-09 | 2003-12-09 | Solidlite Corporation | Light emitting diode lamp |
| US6846094B2 (en) * | 2002-08-26 | 2005-01-25 | Altman Stage Lighting, Co., Inc. | Flexible LED lighting strip |
| US7217006B2 (en) * | 2004-11-20 | 2007-05-15 | Automatic Power, Inc. | Variation of power levels within an LED array |
| CN201078659Y (en) * | 2007-09-14 | 2008-06-25 | 嘉善善银节能科技有限公司 | LED columnar lamp |
| CN201093213Y (en) * | 2007-04-03 | 2008-07-30 | 田春萍 | LED illumination device |
-
2010
- 2010-05-17 CN CN2010101776952A patent/CN101872833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6659632B2 (en) * | 2001-11-09 | 2003-12-09 | Solidlite Corporation | Light emitting diode lamp |
| US6846094B2 (en) * | 2002-08-26 | 2005-01-25 | Altman Stage Lighting, Co., Inc. | Flexible LED lighting strip |
| US7217006B2 (en) * | 2004-11-20 | 2007-05-15 | Automatic Power, Inc. | Variation of power levels within an LED array |
| CN201093213Y (en) * | 2007-04-03 | 2008-07-30 | 田春萍 | LED illumination device |
| CN201078659Y (en) * | 2007-09-14 | 2008-06-25 | 嘉善善银节能科技有限公司 | LED columnar lamp |
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| CN101872833A (en) | 2010-10-27 |
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