CN210775276U

CN210775276U - Laser light source for detecting PCB pin

Info

Publication number: CN210775276U
Application number: CN201921684377.8U
Authority: CN
Inventors: 王凌乐
Original assignee: Dongguan Fstmv Optical Technology Co ltd
Current assignee: Dongguan Fstmv Optical Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-16
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a laser light source for PCB board stitch detects, including base, circuit board, two curb plates one, two curb plates two, two curb plates three and two apron, the circuit board passes through the fastener and installs on the base, the positive middle department of base has seted up the rectangular hole, and two curb plates one distributes in the both sides of this rectangular hole, two curb plate two sets up the opposite face at two curb plates one respectively, two curb plate three and two apron form two hollow cavities with two curb plates one, two curb plates two and base lock respectively, install four laser emitter in two cavities respectively, and every laser emitter all includes slider, slides the fixing base that sets up on the slider and installs the laser head on the fixing base. The utility model discloses possess simple structure, adopt 8 laser heads to emit parallel beam, collimation nature and stability are high, and it is high to detect the precision, and the directionality is good, and the pure nothing miscellaneous light of light beam, and luminous luminance is high, long service life.

Description

Laser light source for detecting PCB pin

Technical Field

The utility model relates to a laser light source specifically is a laser light source that is used for PCB board stitch to detect.

Background

The PCB is a printed circuit board, and all the functional modules on the PCB are connected through pins of the PCB, so that the quality of the pins of the PCB is directly related to the normal operation of all the functional modules on the PCB. At present along with the rapid development of science and technology, the PCB board is more and more miniaturized, and the PCB board stitch becomes more accurate, and is big more to the degree of difficulty when detecting PCB board stitch, and the requirement of detecting the light source is also high, and the traditional light source that is used for detecting PCB board stitch uses the LED light source of high-power, hi-lite mostly, and the detection light source life-span of hi-lite is low, and has miscellaneous light interference when detecting, influences the detection effect of PCB board stitch. Therefore, it is necessary to design a laser light source for pin detection of PCB.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser source for PCB board stitch detects possesses simple structure, adopts 8 laser heads correlation to send parallel beam, and collimation nature and stability are high, and it is high to detect the precision, and the directionality is good, and the pure no parasitic light of light beam, and luminous luminance is high, and the problem that above-mentioned technical background proposed has been solved to long service life's advantage.

In order to achieve the above object, the utility model provides a following technical scheme: a laser light source for PCB pin detection comprises a base, a circuit board, two side plates I, two side plates II, two side plates III and two cover plates, the circuit board is arranged on the base through a fastener, a rectangular hole is arranged in the middle of the base, the two first side plates are distributed on two sides of the rectangular hole, the two second side plates are respectively arranged on opposite surfaces of the two first side plates, the two third side plates and the two cover plates are respectively buckled with the two first side plates, the two second side plates and the base to form two hollow cavities, two install four laser emission device in the cavity respectively, and the laser emission device subtend in two cavities sets up, every laser emission device all includes with a curb plate inner wall fixed connection's slider, slide the fixing base of setting on the slider and install the laser head on the fixing base, laser head and circuit board electric connection.

Preferably, the laser light source further comprises a power line, one end of the power line penetrates through three side plates and then is electrically connected with the circuit board, and the other end of the power line is externally connected with a power supply.

Preferably, the first side plate and the second side plate are the same in size, and the first side plate is provided with a strip hole for the laser head to emit light beams.

Preferably, the distance value between the two first side plates is between 60mm and 125 mm.

Preferably, the two side plates III are U-shaped.

Preferably, four laser emission devices are arranged at intervals, and laser heads on the two laser emission devices at the two end parts respectively form 45-degree included angles with the side plate I.

Preferably, the laser head emits an infrared laser beam having a wavelength of 650 nm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a with two curb plates three, two apron, two curb plates one, two curb plates two and base lock formation two hollow cavitys, install four laser emission device respectively in two cavitys, and the laser emission device subtend setting in two cavitys, the last laser head of laser emission device sends the subtend infrared light beam that the wavelength is 560 nanometers, luminous collimation nature and stability are high, detect the precision height, the directionality is good, the pure nothing miscellaneous light of light beam, and luminous luminance is high, long service life.

2. The utility model provides a two curb plates three designs into "U" type for whole laser source is "U" type shape, and simple structure is convenient for put into this laser source with PCB board stitch and is detected, and the outward appearance is graceful, generous, "U" type structure, can not have the miscellaneous light pollution, and the practicality is strong.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a block diagram of the present invention;

fig. 3 is a structural diagram of the laser emitting device of the present invention.

The reference numerals and names in the figures are as follows:

1. the base is included; 2. a circuit board; 3. a first side plate; 4. a second side plate; 5. a side plate III; 6. a cover plate; 7. a laser emitting device; 8. a slider; 9. a fixed seat; 10. a laser head; 11. a power line; 12. and (4) forming a bar hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a laser illuminant for PCB board stitch detects, this laser illuminant includes base 1, circuit board 2, two curb plates 3, two curb plates two 4, two curb plates three 5 and two apron 6, circuit board 2 passes through the fastener and installs on base 1, the positive centre department of base 1 has seted up the rectangular hole, two curb plate 3 distributes in the both sides of this rectangular hole, two curb plate two 4 sets up the opposite face at two curb plate one 3 respectively, two curb plate three 5 and two apron 6 form two hollow cavities with two curb plates 3, two curb plates two 4 and base 1 lock respectively, two install four laser emission device 7 respectively in the cavity, and the laser emission device 7 subtend setting in two cavities, every laser emission device 7 all include with 3 inner wall fixed connection's of curb plate 8, two, The fixing seat 9 of sliding setting on the slider 8 and install the laser head 10 on the fixing seat 9, laser head 10 and circuit board 2 electric connection.

Laser light source still includes

power cord

11, 11 one end of power cord runs through behind the three 5 arbitrary curb plate wherein with circuit board 2 electric connection, the external power supply of the other end, and during the use, external power supply passes through the power cord and supplies power for circuit board 2, and drive control circuit drive laser head 10 on the circuit board 2 sends infrared light beam.

The two first side plates 3 and the two second side plates 4 are the same in size, and the two first side plates 3 are provided with strip holes 12 for the laser heads 10 to emit light beams; the distance value between the two side plates I3 is between 60mm and 125mm, in the embodiment, the distance between the two side plates I3 is 100mm, namely the correlation distance between the two laser heads 10 is 100 mm; two three 5 of curb plate are "U" type shape for whole laser source is "U" type shape, and simple structure is convenient for put into this laser source with PCB board stitch and detects, and the outward appearance is graceful, generous, "U" type structure, can not have the stray light pollution, and the practicality is strong.

In the embodiment, the four laser emitting devices 7 in each cavity are arranged at intervals, and the laser heads 10 on the two laser emitting devices 7 at the two end parts respectively form an included angle of 45 degrees with the first side plate 3, so that the two laser heads 10 at the two end parts can be conveniently oppositely irradiated; the laser head 10 emits an infrared laser beam with the wavelength of 650 nanometers, the light line width of the laser beam emitted at the position of 5cm is 0.6-1mm, the light line width at the position of 9cm is 1-1.5cm, so that the detection precision reaches plus or minus 0.01mm, and compared with the traditional LED light source with high power and high brightness, the LED light source has the advantages of high light-emitting collimation and stability, high detection precision, good directivity, pure light beam, no stray light, high light-emitting brightness and long service life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a laser source for PCB board stitch detects which characterized in that: including base (1), circuit board (2), two curb plates one (3), two curb plates two (4), two curb plates three (5) and two apron (6), install on base (1) through the fastener circuit board (2), the positive centre department of base (1) has seted up the rectangular hole, two curb plate one (3) distribute in the both sides of this rectangular hole, two curb plate two (4) set up respectively at the opposite face of two curb plates one (3), two curb plate three (5) and two apron (6) form two hollow cavitys with two curb plates one (3), two curb plates two (4) and base (1) lock respectively, two install four laser emission device (7) respectively in the cavity, and laser emission device (7) opposite direction in two cavitys set up, every laser emission device (7) all include with curb plate one (3) inner wall fixed connection's slider (8), Slide fixing base (9) of setting on slider (8) and install laser head (10) on fixing base (9), laser head (10) and circuit board (2) electric connection.

2. The laser light source for PCB pin inspection according to claim 1, wherein: the LED lamp is characterized by further comprising a power line (11), wherein one end of the power line (11) penetrates through any one side plate (5) and then is electrically connected with the circuit board (2), and the other end of the power line is externally connected with a power supply.

3. The laser light source for PCB pin inspection according to claim 1, wherein: two curb plate one (3) and two the size of a dimension of curb plate two (4) is the same, and two all offer on curb plate one (3) and be used for laser head (10) to send strip hole (12) of light beam.

4. The laser light source for PCB pin inspection according to claim 1 or 3, wherein: the distance value between the two side plates I (3) is between 60mm and 125 mm.

5. The laser light source for PCB pin inspection according to claim 1, wherein: the two side plates III (5) are U-shaped.

6. The laser light source for PCB pin inspection according to claim 1, wherein: the four laser emitting devices (7) are arranged at intervals, and laser heads (10) on the two laser emitting devices (7) at the two end parts respectively form 45-degree included angles with the first side plate (3).

7. The laser light source for PCB pin inspection according to claim 1 or 6, wherein: the laser head (10) emits an infrared laser beam with a wavelength of 650 nm.