CN202749670U - Linear light streak laser module - Google Patents
Linear light streak laser module Download PDFInfo
- Publication number
- CN202749670U CN202749670U CN 201220337565 CN201220337565U CN202749670U CN 202749670 U CN202749670 U CN 202749670U CN 201220337565 CN201220337565 CN 201220337565 CN 201220337565 U CN201220337565 U CN 201220337565U CN 202749670 U CN202749670 U CN 202749670U
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- base
- light
- laser diode
- microscope base
- microscope
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Abstract
The utility model relates to a linear light streak laser module, which comprises a laser diode and a shell for guiding out the light of the laser diode and is characterized in that the shell comprises a tube base, a microscope base, a tube cap and a tail sleeve outside the tube base, wherein the tube base is provided with a step threaded surface which is respectively screwed up with the microscope base and the tube cap in a matched manner; a light adjusting component is internally installed between the small-caliber threaded surface of the tube base and the microscope base in a matched manner; the tube cap is matched with the large-caliber threaded surface of the tube base in a manner of integrally covering the microscope base therein; and a corrugated lens is arranged between the tube cap and the microscope base in the direction the light passes through. After divergent lasers are gathered, linear light streaks can be projected through the corrugated lens, and adjustment for the propagation distance and the length of light streaks can be realized through an adjusting structure; in addition, the laser diode with stable adjusting function is used for adjusting the luminous intensity of a light emitting chip based on the inverse feedback adjustment principle of an adjusting and controlling circuit, so that the light emitting stability is kept.
Description
[technical field]
The utility model relates to generating laser, relates in particular to the linear laser reflector module as alignment tool.
[background technology]
Laser diode generally is the instrument of surveying and mapping that is applied in the mapping science, and laser diode essence is a semiconductor diode, the one direction conductivity of the most important characteristic of diode, and in circuit, electric current can only flow into from the positive pole of diode, and negative pole flows out.Laser divergence is little, in the products such as the high common-use words level gauge of collimation, location, rangefinder, light transmission, video camera or laser pen.
Chip in the existing laser diode (being called for short CHIP), power luminous the time does not have supervising device to monitor, and can't carry out power control, the mode that also can only do simple Current Control when very little to its volume requirement the time drives, and when having crest voltage to produce, is subject to the impact of voltage, power on the chip is just high, its power also decreases when supply voltage reduces, can produce very unsettled illumination effect, the stability that impact is used.And using one to send out temperature thermogenetic and can affect its light extraction efficiency, the requirement that the luminous efficiency during namely its actual use does not reach rated power along with chip after the meeting.
The light that emits as traditional laser diode, to be fan-shaped divergent rays, if it also is that laser is pooled a shaped laser spot that the structure that converges laser is arranged, when needs indicate lines light in the collimation situation, just can not quick and precisely indicate the tram.
[summary of the invention]
The utility model has proposed a kind of light that laser diode can be sent for above problem and has been gathered into the point-like light beam, then project the line style light line laser module of wire light, this module can also be regulated the long-distance communications of light and change light length, sends the laser beam of intensity stabilization.
The technical solution of the utility model is: a kind of line style light line laser module, comprise laser diode and the light of laser diode is derived the shell that goes, it is characterized in that, described shell comprises that mounted inside has the base of laser diode, the microscope base that cooperates with base and pipe cap, tail cover outside base, has the ladder flank at described base, cooperate with microscope base and pipe cap respectively and tighten, the small-bore flank of base be built-in with the light adjustment means between microscope base cooperates, and pipe cap to be to be combined together mode and the base large calibre threads face of microscope base piece cover in inside, and the direction that light passes through between pipe cap and microscope base is provided with corrugated lens.
Described smooth adjustment means comprises that an elastic telescoping is at spring and the convex lens of microscope base axial direction, described spring top clamping is in microscope base, by cooperating of screw thread between base and the microscope base and spring, allow the distance between base and the microscope base change, thereby regulate the distance between convex lens and this focus of laser diode, realize the adjusting to spot size.
Described laser diode is to have adopted the laser diode that has carried out the stable control of light intensity, comprises silicon photocell built-in in the laser diode and the circuit for regulating and controlling that is connected with silicon photocell cooperation conditioning signal.
Silicon photocell PD in the described circuit for regulating and controlling is facing to luminescence chip LD, be connected to the base stage of triode Q1 after silicon photocell PD is in parallel with adjusting resistance VR1, the collector electrode of triode Q1 is connected to the base stage of triode Q2, and luminescence chip LD is connected to the collector electrode of Q2.
The beneficial effects of the utility model: the laser that will disperse compiles to gather then and projects linear light line by corrugated lens, and realizes to propagation distance the adjusting of light line length by adjustment structure.And have a power that the silicon photocell in the laser diode of stable regulation function can inducing luminous chip emits beam, and transmission of signal is to circuit for regulating and controlling, regulate the luminous power of luminescence chip by the negative feedback Principles of Regulation of circuit for regulating and controlling, make it to keep luminous stability.
[description of drawings]
Fig. 1 is the utility model one example structure schematic diagram;
Fig. 2 is the utility model drive circuit electronic schematic.
Wherein: 1, base; 2, spring; 3, convex lens; 4, microscope base; 5, laser diode drive plate; 6, corrugated lens; 7, pipe cap; 8, tail cover.
[embodiment]
Diode presents fan-shapedly in luminous in the existing laser module, and light can be dispersed after the long propagation, also is to present a shaped laser spot after perhaps converging, and does not have to cast out the laser diode of linear light line.In order to reach the purpose that allows the light that casts out not only concentrate but also can present the light line of wire, designed line style light line laser module.And peak current appears in the light emission drive circuit of laser diode sometimes, cause lasing fluorescence intensity unstable, in order to make illumination effect more stable, adopted silicon photocell to cooperate the mode of circuit for regulating and controlling that laser diode is carried out negative feedback and regulated, allowed lighting effect keep continual and steady.
A kind of line style light line laser module, comprise laser diode and the light of laser diode is derived the shell that goes, it is characterized in that, described shell comprises that mounted inside has the base 1 of laser diode, the microscope base 4 and the pipe cap 7 that cooperate with base 1, tail cover 8 outside base 1, has the ladder flank at described base, cooperate with microscope base 4 and pipe cap 7 respectively and tighten, base 1 small-bore flank be built-in with the light adjustment means between microscope base 4 cooperates, and pipe cap 7 to be to be combined together mode and the base 1 large calibre threads face of microscope base 4 piece cover in inside, and the direction that light passes through between pipe cap 7 and microscope base 4 is provided with corrugated lens 6.
Described smooth adjustment means comprises that an elastic telescoping is at spring 2 and the convex lens 3 of microscope base axial direction, described spring 2 holds out against in microscope base 4, by cooperating of screw thread between base 1 and the microscope base 4 and spring, allow the distance between base 1 and the microscope base 4 change, thereby regulate the distance between convex lens 3 and this focus of laser diode, realize the adjusting to spot size.
Described laser diode is to have adopted the laser diode that has carried out the stable control of light intensity, comprises silicon photocell built-in in the laser diode and the circuit for regulating and controlling that is connected with silicon photocell cooperation conditioning signal.
Silicon photocell PD in the described circuit for regulating and controlling is facing to luminescence chip LD, be connected to the base stage of triode Q1 after silicon photocell PD is in parallel with adjusting resistance VR1, the collector electrode of triode Q1 is connected to the base stage of triode Q2, and luminescence chip LD is connected to the collector electrode of Q2.
Described laser diode is to have adopted the laser diode that has carried out the stable control of light intensity, laser diode can be not unstable along with the potential circuit variation, light is flickering, set up a negative feedback mechanism regulating circuit, circuit to the driving laser diode is regulated, and stablizes its illumination effect.
Silicon photocell PD in the described circuit for regulating and controlling is facing to luminescence chip LD, be connected to the base stage of triode Q1 after silicon photocell PD is in parallel with adjusting resistance VR1, the collector electrode of triode Q1 is connected to the base stage of triode Q2, and luminescence chip LD is connected to the collector electrode of Q2, the intensity of illumination that silicon photocell PD receives is larger, the electric current of its generation is stronger, the power that consumes is larger, and the upper power of PD is larger, electric current by triode Q1 collector electrode output is larger, so the electric current of triode Q2 base stage is less, so it is little to be subject to luminescence chip LD that triode Q2 the drives rheology that powers on, luminous intensity reduces, and has realized the reaction type of luminescence chip is regulated.
Claims (4)
1. line style light line laser module, comprise laser diode and the light of laser diode is derived the shell that goes, it is characterized in that, described shell comprises that mounted inside has the base of laser diode, the microscope base that cooperates with base and pipe cap, tail cover outside base, has the ladder flank at described base, cooperate with microscope base and pipe cap respectively and tighten, the small-bore flank of base be built-in with the light adjustment means between microscope base cooperates, and pipe cap to be to be combined together mode and the base large calibre threads face of microscope base piece cover in inside, and the direction that light passes through between pipe cap and microscope base is provided with corrugated lens.
2. described line style light line laser module according to claim 1 is characterized in that, described smooth adjustment means comprises an elastic telescoping at spring and the convex lens of microscope base axial direction, and described spring top clamping is in microscope base.
3. described line style light line laser module according to claim 1, it is characterized in that, described laser diode is to have adopted the laser diode that has carried out the stable control of light intensity, comprises silicon photocell built-in in the laser diode and the circuit for regulating and controlling that is connected with silicon photocell cooperation conditioning signal.
4. described line style light line laser module according to claim 3, it is characterized in that, silicon photocell PD in the described circuit for regulating and controlling is facing to luminescence chip LD, be connected to the base stage of triode Q1 after silicon photocell PD is in parallel with adjusting resistance VR1, the collector electrode of triode Q1 is connected to the base stage of triode Q2, and luminescence chip LD is connected to the collector electrode of Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337565 CN202749670U (en) | 2012-07-12 | 2012-07-12 | Linear light streak laser module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337565 CN202749670U (en) | 2012-07-12 | 2012-07-12 | Linear light streak laser module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749670U true CN202749670U (en) | 2013-02-20 |
Family
ID=47709023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220337565 Expired - Lifetime CN202749670U (en) | 2012-07-12 | 2012-07-12 | Linear light streak laser module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749670U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215745A (en) * | 2013-04-23 | 2013-07-24 | 慈溪太阳洲纺织科技有限公司 | Laser broken yarn monitoring device for warp knitting machine |
| CN107425410A (en) * | 2017-07-04 | 2017-12-01 | 丹东依镭社电子科技有限公司 | One kind is secondary to expand laser module |
| CN112152067A (en) * | 2019-06-26 | 2020-12-29 | 山东华光光电子股份有限公司 | TO packaging laser with pipe seat with threaded structure and module assembling method |
-
2012
- 2012-07-12 CN CN 201220337565 patent/CN202749670U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215745A (en) * | 2013-04-23 | 2013-07-24 | 慈溪太阳洲纺织科技有限公司 | Laser broken yarn monitoring device for warp knitting machine |
| CN107425410A (en) * | 2017-07-04 | 2017-12-01 | 丹东依镭社电子科技有限公司 | One kind is secondary to expand laser module |
| CN112152067A (en) * | 2019-06-26 | 2020-12-29 | 山东华光光电子股份有限公司 | TO packaging laser with pipe seat with threaded structure and module assembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |