CN216622073U - Laser generator capable of bidirectional detection - Google Patents
Laser generator capable of bidirectional detection Download PDFInfo
- Publication number
- CN216622073U CN216622073U CN202123083347.1U CN202123083347U CN216622073U CN 216622073 U CN216622073 U CN 216622073U CN 202123083347 U CN202123083347 U CN 202123083347U CN 216622073 U CN216622073 U CN 216622073U
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- Prior art keywords
- light
- shell
- circuit board
- base
- emitting circuit
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 13
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Abstract
The utility model discloses a laser generator capable of bidirectional detection, which comprises a shell and a base positioned above the shell, wherein a first light-emitting circuit board is arranged in the middle of the lower surface of the base, a bottom light outlet is arranged at the position of the lower surface of the shell corresponding to the first light-emitting circuit board, second light-emitting circuit boards are arranged at the positions, close to the middle, of two sides in the shell, inclined plane mirrors are arranged at the positions, corresponding to the second light-emitting circuit boards, on the inner walls of the two sides of the shell, included angles formed between the plane mirrors and the bottom surface of the shell are formed, an upper light outlet is arranged at the positions, corresponding to the plane mirrors, of two sides of the upper surface of the base, the second light-emitting circuit board and the plane mirrors are arranged, the plane mirrors can reflect light rays emitted by the second light-emitting circuit board to a state opposite to the light rays of the first light-emitting circuit board and emit light from the upper light outlet, laser irradiation in the upper direction and the lower direction is realized, and then bidirectional detection can be realized.
Description
Technical Field
The utility model relates to the technical field of laser generators, in particular to a laser generator capable of realizing bidirectional detection.
Background
With the development of economy, various industries are rapidly developed, and the environmental protection problem brought by various particles and/or gases is followed. Therefore, the concentration of the particulate matters in the air needs to be monitored in time, the laser emitted by the laser generator is used for detecting the particulate matters in the prior art, and the laser generator in the prior art can only emit light in a single direction and cannot detect the particulate matters in two directions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a laser generator capable of bidirectional detection, and aims to solve the problem that the laser generator in the prior art can only emit light in a single direction and cannot perform bidirectional detection.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a laser generator that can two-way detection, includes the shell and is located the base of shell top, the lower surface mid-mounting of base has first luminous circuit board, the lower surface of shell is equipped with the bottom light-emitting window with the position that first luminous circuit board corresponds, the inside both sides of shell are close to the position in the middle and all are equipped with the second luminous circuit board, and all are equipped with the level crossing of slope with the position that the second luminous circuit board corresponds on the both sides inner wall of shell, contained angle is the degree between level crossing and the shell bottom surface, the light-emitting window has been seted up with the position that the level crossing corresponds to the upper surface both sides of base.
Preferably, the shell is in threaded connection with the base, and a knob is mounted in the middle of the upper surface of the base.
Preferably, a fresnel lens is arranged between the second light-emitting circuit board and the plane mirror, and the fresnel lens is fixedly connected to the inner wall of the shell.
Preferably, an inner shell is installed above the bottom light outlet, and the upper end of the inner shell extends to the lower surface of the base.
Preferably, the lower surface of the plane mirror is provided with a mounting seat, and the mounting seat is fixedly connected to the inner wall of the shell through a support.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is provided with the second light-emitting circuit board and the plane mirror, the plane mirror can reflect the light emitted by the second light-emitting circuit board to the state opposite to the light direction of the first light-emitting circuit board, and light is emitted from the upper light-emitting port, so that laser irradiation in the upper direction and the lower direction is realized, and further bidirectional detection can be realized;
2. the Fresnel lens is arranged, and can refract the light rays emitted by the second light-emitting circuit board into a horizontal state, so that the vertical state of the emergent light rays is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the base of the present invention.
In the figure: 1. a housing; 2. a base; 3. a bottom light outlet; 4. an inner shell; 5. an upper light outlet; 6. a knob; 7. a first light emitting circuit board; 8. a second light emitting circuit board; 9. a Fresnel lens; 10. a plane mirror; 11. a mounting base; 12. and (3) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a laser generator capable of bidirectional detection includes a housing 1 and a base 2 located above the housing 1, a first light emitting circuit board 7 is installed in the middle of the lower surface of the base 2, a bottom light outlet 3 is disposed at a position of the lower surface of the housing 1 corresponding to the first light emitting circuit board 7, the first light emitting circuit board 7 can emit light when powered on, and a light path emits light through the bottom light outlet 3;
as shown in fig. 1, in order to facilitate the assembly and disassembly of the housing 1 and the base 2, the housing 1 is in threaded connection with the base 2, the middle part of the upper surface of the base 2 is provided with a knob 6, the base 2 can be rotated by rotating the knob 6, and the base 2 and the housing 1 can be assembled and disassembled conveniently;
referring to fig. 1 and 2, a second light emitting circuit board 8 is provided at both sides of the inside of the housing 1 near the middle, the second light emitting circuit board 8 can emit light even when it is energized, inclined plane mirrors 10 are arranged at positions corresponding to the second light-emitting circuit board 8 on the inner walls of the two sides of the shell 1, an included angle between each plane mirror 10 and the bottom surface of the shell 1 is 45 degrees, light outlets 5 are arranged at positions corresponding to the plane mirrors 10 on the two sides of the upper surface of the base 2, light paths emitted by the second light-emitting circuit board 8 can reach the positions of the plane mirrors 10 and are reflected by the plane mirrors 10, according to the principle that the reflection angle is equal to the incident angle, the light finally emitted by the second light-emitting circuit board 8 is vertically upward, and the vertically upward light can pass through the upper light outlet 5 and be emitted from the upper light outlet 5, so that laser irradiation in the upper and lower directions is realized;
with reference to fig. 1, in order to ensure that the light beam reaching the plane mirror 10 from the second light-emitting circuit board 8 is horizontal, a fresnel lens 9 is disposed between the second light-emitting circuit board 8 and the plane mirror 10, the fresnel lens 9 is fixedly connected to the inner wall of the housing 1, and the light beam can horizontally reach the plane mirror 10 through the refraction of the fresnel lens 9;
with reference to fig. 1, in order to avoid the light emitted from the first light emitting circuit board from being scattered, the inner shell 4 is installed above the bottom light outlet 3, and the upper end of the inner shell 4 extends to the lower surface of the base 2, and the inner shell 4 can block the light from being spread;
as shown in fig. 1, a mount 11 is attached to the lower surface of the flat mirror 10, and the mount 11 is fixed to the inner wall of the housing 1 by a bracket 12.
The working principle and the using process of the utility model are as follows: when using this device, first light-emitting circuit board 7 can give out light under the circumstances of circular telegram, the light path carries out the light-emitting through bottom light-emitting mouth 3, and the upper end of inner shell 4 extends to the lower surface of base 2, inner shell 4 can block expanding of light, guarantee that light is whole from bottom light-emitting mouth 3 light-emitting, meanwhile second light-emitting circuit board 8 circular telegram is luminous, its light of sending can be refracted by fresnel lens 9, make light can the level reach the position of level crossing 10, according to the principle that the angle of reflection equals the incident angle, here the light that second light-emitting circuit board 8 finally jetted out is vertical upwards, vertical ascending light can pass light-emitting mouth 5, from last light-emitting mouth 5 jets out, realize the laser irradiation of two upper and lower directions, and then can two-way detection.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a laser generator that can two-way detection, includes shell (1) and is located base (2) of shell (1) top, its characterized in that: the lower surface mid-mounting of base (2) has first luminescent circuit board (7), the lower surface of shell (1) is equipped with bottom light-emitting window (3) with the position that first luminescent circuit board (7) correspond, the inside both sides of shell (1) are close to middle position and all are equipped with second luminescent circuit board (8), and all are equipped with level crossing (10) of slope with the position that second luminescent circuit board (8) correspond on the both sides inner wall of shell (1), the contained angle is 45 degrees between level crossing (10) and shell (1) bottom surface, light-emitting window (5) have been seted up with the position that level crossing (10) correspond to the upper surface both sides of base (2).
2. A laser generator capable of bidirectional detection as defined in claim 1, wherein: the shell (1) is in threaded connection with the base (2), and a knob (6) is installed in the middle of the upper surface of the base (2).
3. A laser generator capable of bidirectional detection as defined in claim 1, wherein: a Fresnel lens (9) is arranged between the second light-emitting circuit board (8) and the plane mirror (10), and the Fresnel lens (9) is fixedly connected to the inner wall of the shell (1).
4. A laser generator capable of bidirectional detection as defined in claim 1, wherein: inner shell (4) are installed to the top of bottom light-emitting opening (3), and the upper end of inner shell (4) extends to the lower surface of base (2).
5. A laser generator capable of bidirectional detection as defined in claim 1, wherein: the lower surface of the plane mirror (10) is provided with a mounting seat (11), and the mounting seat (11) is fixedly connected to the inner wall of the shell (1) through a support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123083347.1U CN216622073U (en) | 2021-12-09 | 2021-12-09 | Laser generator capable of bidirectional detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123083347.1U CN216622073U (en) | 2021-12-09 | 2021-12-09 | Laser generator capable of bidirectional detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216622073U true CN216622073U (en) | 2022-05-27 |
Family
ID=81701982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123083347.1U Expired - Fee Related CN216622073U (en) | 2021-12-09 | 2021-12-09 | Laser generator capable of bidirectional detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216622073U (en) |
-
2021
- 2021-12-09 CN CN202123083347.1U patent/CN216622073U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |