CN202484617U

CN202484617U - Green laser torch

Info

Publication number: CN202484617U
Application number: CN2012200545851U
Authority: CN
Inventors: 李江文; 卢林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-20
Filing date: 2012-02-20
Publication date: 2012-10-10
Anticipated expiration: 2022-02-20

Abstract

The utility model provides a green laser torch which comprises a lens and a reference sleeve; a double convex lens and a concave-convex lens are arranged in the lens; a focusing hand wheel and a tube body are sleeved outside the reference sleeve; a movable mirror tube and a shaft adjusting base are arranged inside the reference sleeve; a double concave lens is arranged in the movable mirror tube; a globe lens, a crystal component and a laser tube are arranged in the shaft adjusting base; and the double convex lens, the concave-convex lens, the double concave lens, the globe lens, the crystal component and the laser tube are sequentially arranged. The green laser torch has the beneficial effects that the structure is simple, few lenses are used and the manufacturing cost is low; and a green light beam which is emitted by the torch can be converted between a dot-shaped light spot light beam and an Airy (diffraction) concentric circular original spot light beam which is bright in the center and bright and dark around at intervals, a range distance reaches 5,000m to 10,000m, and the green laser torch can be used for lighting, indication, outdoor contacting and rescue signals as a high-quality collimation light source.

Description

A kind of green laser flashlight

Technical field

The utility model belongs to the flashlight technical field, is specifically related to a kind of green laser flashlight.

Background technology

Laser flashlight is compared with general flashlight, because beam divergence angle is very little, adds that the purity of laser beam is very high, can make light beam more concentrated, also can make the beam Propagation distance farther, can also make beam divergence by focus adjusting mechanism.The optical system of laser flashlight belongs to the optical beam-expanding category, so because the difficulty of the big more optical design of the expansion bigger bore of beam ratio is also big more.Green laser also wants big owing to need frequency multiplication compared with the difficulty that the laser torch of other colors is made.

Summary of the invention

The purpose of the utility model provides a kind of green laser flashlight, and the green beam of ejaculation is the donut shaped laser spot, the size that can regulate hot spot, and range straggling is far away.

The technical scheme that the utility model adopted is that a kind of green laser flashlight comprises camera lens and benchmark sleeve pipe; Be fixed with biconvex lens and concave-convex lens in the camera lens; The benchmark jacket exterior is with focusing handwheel and body, and the benchmark inside pipe casing is provided with the flexible mirror pipe and transfers the axle pedestal; Be provided with biconcave lens in the flexible mirror pipe, transfer in the axle pedestal and be provided with globe lens, crystal assembly and laser tube; Biconvex lens, concave-convex lens, biconcave lens, globe lens, crystal assembly and laser tube set gradually.

Wherein, the focusing handwheel inwall is provided with helicla flute, and the tube wall of benchmark sleeve pipe is provided with mounting hole, is fixed with guide pin on the flexible mirror pipe, and guide pin passes in the helicla flute that mounting hole is embedded in focusing handwheel; The focusing handwheel sky is enclosed within on the cylindrical of benchmark sleeve pipe, and the benchmark sleeve pipe cooperates with the flexible mirror ligament.

Wherein, transfer the axle pedestal to be provided with endoporus, globe lens, crystal assembly and laser tube are arranged in the endoporus of transferring the axle pedestal; Transfer the axle pedestal to form by first pipeline section that is connected as a single entity and second pipeline section; Leave the gap between the outer wall of first pipeline section and the benchmark internal surface of sleeve pipe; The outer wall of second pipeline section is an arc-shaped convex; The benchmark internal surface of sleeve pipe is provided with a circular groove; The circular arc outer wall of second pipeline section is embedded in the circular groove of benchmark internal surface of sleeve pipe, the circular arc outer wall of second pipeline section and the circular groove matched in clearance on the benchmark internal surface of sleeve pipe.

Wherein, be provided with trim ring in the benchmark sleeve pipe, the end of second pipeline section is positioned at trim ring, and the circular arc outer wall of second pipeline section contacts with trim ring, and both contacted parts are matched in clearance.

Wherein, globe lens is fixed in the globe lens seat, and the globe lens seat is fixed in the endoporus of first pipeline section.

Wherein, the tube wall of benchmark sleeve pipe is provided with a plurality of first screws, and the end of first screw withstands on the outer wall of first pipeline section.

Wherein, laser tube is fixed in the laser crystal seat, leaves distance between the outer wall of laser crystal seat and the second pipeline section inwall.

Wherein, the tube wall of second pipeline section is provided with a plurality of second screws, and the end of second screw withstands on the outer wall of laser crystal seat.

Wherein, crystal assembly is fixed in the crystal cartridge, and crystal cartridge and laser crystal seat are fixed together.

Wherein, be provided with circuit board, battery and switch in the body; Laser tube is connected through lead with circuit board, and circuit board is connected with an end of battery, and the other end of battery is connected with switch.

The beneficial effect of the utility model is that simple in structure, the lens of use are few, low cost of manufacture; Through rotating green beam conversion each other between the bright light and dark former spot light beam of concentric ring-shaped of a shaped laser spot and Airy disc (diffraction) formula central authorities that focusing handwheel can make flashlight penetrate on every side; Range straggling reaches 5000～ten thousand metres (2000～3000 meters time spot diameter be 100 millimeters), can be used as illumination, indication, outdoor contact and distress signal as high-quality collimated light source and uses.

Description of drawings

Fig. 1 is the internal structure sketch map of the utility model green laser flashlight;

Fig. 2 is the A portion enlarged drawing of Fig. 1;

Fig. 3 is that the focusing handwheel inwall of the utility model is provided with the spiral fluted structural representation;

Fig. 4 is the outside drawing of the utility model green laser flashlight;

Fig. 5 is another outside drawing of the utility model green laser flashlight;

Fig. 6 is the principle of luminosity figure of the utility model green laser flashlight.

Among the figure, 1. camera lens, 2. benchmark sleeve pipe, 3. biconvex lens, 4. concave-convex lens, 5. focusing handwheel, 6. body; 7. flexible mirror pipe is 8. transferred an axle pedestal, 9. biconcave lens, 10. globe lens, 11. mounting holes, 12. guide pins, 13. crystal assemblies; 14. laser tube, 15. first pipeline sections, 16. second pipeline sections, 17. globe lens seats, 18. first screws, 19. laser crystal seats, 20. crystal cartridges; 21. second screw, 22. circuit boards, 23. batteries, 24. switches, 25. tube connectors, 26. trim rings, 27. helicla flutes.

The specific embodiment

As shown in Figure 1, the utility model provides a kind of green laser flashlight, comprises camera lens 1 and benchmark sleeve pipe 2; Be fixed with biconvex lens 3 and concave-convex lens 4 in the camera lens 1; Benchmark sleeve pipe 2 outsides are with focusing handwheel 5 and body 6, and focusing handwheel 5 skies are enclosed within on benchmark sleeve pipe 2 cylindricals, can on benchmark sleeve pipe 2 cylindricals, rotate, and 6 of bodys and benchmark sleeve pipe 2 are through being threaded; Benchmark sleeve pipe 2 set inside have flexible mirror pipe 7 and transfer axle pedestal 8; Be connected with tube connector 25 between one end of camera lens 1 and benchmark sleeve pipe 2, the two ends of tube connector 25 respectively with an end of camera lens 1 and benchmark sleeve pipe 2 through being threaded; Be provided with biconcave lens 9 in the flexible mirror pipe 7, transfer in the axle pedestal 8 and be provided with globe lens 10, crystal assembly 13 and laser tube 14; Biconvex lens 3, concave-convex lens 4, biconcave lens 9, globe lens 10, crystal assembly 13 and laser tube 14 set gradually.Also be provided with circuit board 22, battery 23 and switch 24 in the body 6; Laser tube 14 and circuit board 22 are connected through lead, and circuit board 22 is connected with an end of battery 23, and the other end of battery 23 is connected with switch 24.As shown in Figure 3, focusing handwheel 5 inwalls are provided with helicla flute 27; As shown in Figure 2, the tube wall of benchmark sleeve pipe 2 is provided with mounting hole 11, is fixed with guide pin 12 on the flexible mirror pipe 7, and guide pin 12 passes in the helicla flute 27 that mounting hole 11 is embedded in focusing handwheel 5; Benchmark sleeve pipe 2 and flexible mirror pipe 7 matched in clearance; Transfer axle pedestal 8 to be provided with endoporus, globe lens 10, crystal assembly 13 and laser tube 14 are arranged in the endoporus of transferring axle pedestal 8; Transfer axle pedestal 8 to form by first pipeline section 15 that is connected as a single entity and second pipeline section 16; Leave the gap between the outer wall of first pipeline section 15 and benchmark sleeve pipe 2 inwalls, the end that the tube wall of benchmark sleeve pipe 2 is provided with a plurality of first screw, 18, the first screws 18 withstands on the outer wall of first pipeline section 15; Globe lens 10 is fixed in the globe lens seat 17, and globe lens seat 17 is fixed in the endoporus of first pipeline section 15.The outer wall of second pipeline section 16 is an arc-shaped convex; Benchmark sleeve pipe 2 inwalls are provided with a circular groove; The circular arc outer wall of second pipeline section 16 is embedded in the circular groove of benchmark sleeve pipe 2 inwalls, the circular groove matched in clearance on the circular arc outer wall of second pipeline section 16 and benchmark sleeve pipe 2 inwalls.Also be provided with trim ring 26 in the benchmark sleeve pipe 2, trim ring 26 cooperates with benchmark sleeve pipe 2 inner threads, and the circular arc outer wall that the end of second pipeline section 16 is positioned at trim ring 26, the second pipeline sections 16 contacts with trim ring 26, and both contacted parts are matched in clearance.Laser tube 14 is fixed in the laser crystal seat 19, leaves the gap between the outer wall of laser crystal seat 19 and second pipeline section, 16 inwalls; The end that the tube wall of second pipeline section 16 is provided with a plurality of second screw, 21, the second screws 21 withstands on the outer wall of laser crystal seat 19.Crystal assembly 13 is fixed in the crystal cartridge 20, and crystal cartridge 20 is fixed together with laser crystal seat 19.

As shown in Figure 6, the biconvex lens 3 that sets gradually, concave-convex lens 4, biconcave lens 9, globe lens 10, crystal assembly 13 and laser tube 14 constitute a complete optical system; When switch 24 is opened; Battery 23 provides power supply through circuit board 22 for laser tube 14; Laser tube 14 sends the infrared beam of 808nm wavelength; Infrared beam passes globe lens 10, biconcave lens 9, concave-convex lens 4 and biconvex lens 3 with 532nm wave-length green light beam after passing crystal assembly 13 (crystal assembly 13 is the 532nm green (light) laser crystal assembly that laser crystal (Nd:YVO4) and non-linear frequency-doubling crystal KTP process with in-depth optical cement form) more successively; Crystal assembly 13 produces the infrared beam pumping of 808 wavelength the green laser beam of 532nm; Globe lens 10 expands green laser beam restraints into 7 °～10 ° divergent beams; Biconcave lens 9 further expands the divergent rays of restrainting to 40 °～45 ° with green laser beam, and concave-convex lens 4 is shaped to directional light with 3 emission light that expansion is opened of biconvex lens and aberration is revised.

In optical system, must guarantee that the light beam that laser tube 14 is launched and the central axis of biconvex lens 3, concave-convex lens 4, biconcave lens 9 and globe lens 10 are located on the same line.In order to reach this purpose; Be provided with first screw 18 and second screw 21; Concrete control method is: second screw 21 that rotates different azimuth on second pipeline section, 16 tube walls earlier; Regulate the position up and down of laser crystal seat 19, make the light beam that laser tube 14 is launched and the central axis of globe lens 10 be located on the same line; Because the circular arc outer wall of second pipeline section 16 is embedded in the circular groove of benchmark sleeve pipe 2 inwalls; Through first screw 18 of different azimuth on the tube wall of rotation benchmark sleeve pipe 2, make the light beam that laser tube 14 is launched and the central axis of biconcave lens 9, concave-convex lens 4 and biconvex lens 3 be located on the same line.

Like Fig. 4 and shown in Figure 5, during use, open switch 24; Send green glow in the camera lens 1 of flashlight; Through rotating focusing handwheel 5, the guide pin 12 on the flexible mirror pipe 7 moves along the helicla flute 27 on focusing handwheel 5 inwalls, and guide pin 12 just drives biconcave lens 9 and moves forward and backward; If the position of biconcave lens 9 is gradually near globe lens 10; The green glow that flashlight penetrates changes collimated light beam or convergent beam into gradually by divergent beams, if the position of biconcave lens 9 gradually near concave-convex lens 4, the green glow that flashlight penetrates changes greatly divergent beams gradually by collimated light beam or convergent beam; Concrete principle is; The change of biconcave lens 9 positions can cause the change of optical system (globe lens 10, biconcave lens 9, concave-convex lens 4 and biconvex lens 3) combined focal length; Divergent beams changed collimated light beam or convergent beam gradually into when focal length was elongated, otherwise collimated light beam or convergent beam change greatly divergent beams gradually.

Claims

1. a green laser flashlight is characterized in that: comprise camera lens (1) and benchmark sleeve pipe (2); Be fixed with biconvex lens (3) and concave-convex lens (4) in the said camera lens (1); Benchmark sleeve pipe (2) outside is with focusing handwheel (5) and body (6), and benchmark sleeve pipe (2) set inside has flexible mirror pipe (7) and transfers axle pedestal (8); Be provided with biconcave lens (9) in the said flexible mirror pipe (7), transfer in the axle pedestal (8) and be provided with globe lens (10), crystal assembly (13) and laser tube (14); Biconvex lens (3), concave-convex lens (4), biconcave lens (9), globe lens (10), crystal assembly (13) and laser tube (14) set gradually.

2. green laser flashlight according to claim 1; It is characterized in that: said focusing handwheel (5) inwall is provided with helicla flute (27); The tube wall of benchmark sleeve pipe (2) is provided with mounting hole (11); Be fixed with guide pin (12) on the flexible mirror pipe (7), guide pin (12) passes in the helicla flute (27) that mounting hole (11) is embedded in focusing handwheel (5); Focusing handwheel (5) sky is enclosed within on the cylindrical of benchmark sleeve pipe (2), benchmark sleeve pipe (2) and flexible mirror pipe (7) matched in clearance.

3. green laser flashlight according to claim 1 is characterized in that: said accent axle pedestal (8) is provided with endoporus, and globe lens (10), crystal assembly (13) and laser tube (14) are arranged in the endoporus of transferring axle pedestal (8); Said accent axle pedestal (8) is made up of first pipeline section (15) that is connected as a single entity and second pipeline section (16); Leave the gap between the outer wall of first pipeline section (15) and benchmark sleeve pipe (2) inwall; The outer wall of second pipeline section (16) is an arc-shaped convex; Benchmark sleeve pipe (2) inwall is provided with a circular groove; The circular arc outer wall of second pipeline section (16) is embedded in the circular groove of benchmark sleeve pipe (2) inwall, the circular groove matched in clearance on the circular arc outer wall of second pipeline section (16) and benchmark sleeve pipe (2) inwall.

4. green laser flashlight according to claim 3; It is characterized in that: be provided with trim ring (26) in the said benchmark sleeve pipe (2); The end of second pipeline section (16) is positioned at trim ring (26); The circular arc outer wall of second pipeline section (16) contacts with trim ring (26), and both contacted parts are matched in clearance.

5. green laser flashlight according to claim 3 is characterized in that: said globe lens (10) is fixed in the globe lens seat (17), and globe lens seat (17) is fixed in the endoporus of first pipeline section (15).

6. green laser flashlight according to claim 5 is characterized in that: the tube wall of said benchmark sleeve pipe (2) is provided with a plurality of first screws (18), and the end of first screw (18) withstands on the outer wall of first pipeline section (15).

7. green laser flashlight according to claim 3 is characterized in that: said laser tube (14) is fixed in the laser crystal seat (19), leaves distance between the outer wall of laser crystal seat (19) and second pipeline section (16) inwall.

8. green laser flashlight according to claim 7 is characterized in that: the tube wall of said second pipeline section (16) is provided with a plurality of second screws (21), and the end of second screw (21) withstands on the outer wall of laser crystal seat (19).

9. green laser flashlight according to claim 7 is characterized in that: said crystal assembly (13) is fixed in the crystal cartridge (20), and crystal cartridge (20) is fixed together with laser crystal seat (19).

10. green laser flashlight according to claim 1 is characterized in that: be provided with circuit board (22), battery (23) and switch (24) in the said body (6); Said laser tube (14) is connected through lead with circuit board (22), and circuit board (22) is connected with an end of battery (23), and the other end of battery (23) is connected with switch (24).