CN210923443U - Light path adjusting device for methane telemeter - Google Patents
Light path adjusting device for methane telemeter Download PDFInfo
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- CN210923443U CN210923443U CN201921615110.3U CN201921615110U CN210923443U CN 210923443 U CN210923443 U CN 210923443U CN 201921615110 U CN201921615110 U CN 201921615110U CN 210923443 U CN210923443 U CN 210923443U
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Abstract
The utility model discloses an optical path adjusting device for a methane telemeter, which comprises a fixing mechanism and an adjusting mechanism, wherein the fixing mechanism comprises a first mounting seat and a second mounting seat, and the left and right end surfaces of the first mounting seat are respectively provided with a first mounting groove and a second mounting groove; the left end part of the second mounting seat is connected with the second mounting groove, and a first step groove is formed in the second mounting seat; a light source assembly is arranged in the left part of the first step groove, the light source assembly is limited by the left end part of the second mounting seat, and a collimation module is arranged in the right part of the first step groove; the adjusting mechanism comprises an adjusting mounting seat and an adjusting lens, the adjusting mounting seat is sleeved on the first mounting seat and fixedly connected with the first mounting seat through a bolt, the left end of the adjusting mounting seat is connected with a stepping motor, a rotating shaft of the stepping motor penetrates through the adjusting mounting seat and then is connected with a first L-shaped support, and the adjusting lens is arranged on the first L-shaped support on the right side of the second mounting seat.
Description
Technical Field
The utility model relates to a photoelectric equipment field, concretely relates to light path adjusting device for methane telemeter.
Background
In the spectrum detection technology, laser emitted by a semiconductor laser is highly divergent, and after collimation by a collimating lens, the size of a light spot is a fixed value. But the size of the light spot directly influences the gas detection limit and the detection distance of the whole machine. The existing electric focusing mechanism is applied to a camera, a projector and a laser cutting machine, but is not applied to a spectrum detection device, such as a laser methane telemeter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical path adjusting device for methane telemeter, the facula size that this adjusting device more convenient simple change light source sent, the good performance of switching equipment satisfies the use of different detection occasions.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
a light path adjusting device for a methane telemeter comprises a fixing mechanism and an adjusting mechanism, wherein the fixing mechanism comprises a first mounting seat and a second mounting seat, and a first mounting groove and a second mounting groove are respectively formed in the left end face and the right end face of the first mounting seat;
the left end part of the second mounting seat is connected with the second mounting groove, and a first step groove is formed in the second mounting seat; a light source assembly is arranged in the left part of the first step groove, the light source assembly is limited by the left end part of the second mounting seat, and a collimation module is arranged in the right part of the first step groove;
the adjusting mechanism comprises an adjusting mounting seat and an adjusting lens, the adjusting mounting seat is sleeved on the first mounting seat and fixedly connected with the first mounting seat through a bolt, the left end of the adjusting mounting seat is connected with a stepping motor, a rotating shaft of the stepping motor penetrates through the adjusting mounting seat and then is connected with a first L-shaped support, and the adjusting lens is arranged on the first L-shaped support on the right side of the second mounting seat.
Preferably, the left end of the fixing mechanism is connected with a supporting mechanism;
the supporting mechanism comprises a supporting seat, the supporting seat is connected to the inner shell wall of the shell of the methane telemeter through bolts, a supporting rod is connected to the side end of the supporting seat, and the supporting rod is in spiral connection with the first mounting groove through an end supporting head.
Preferably, the first mounting seat comprises a first seat block, and the first seat block is in a circular block shape;
the outer side wall of the first seat block is provided with a plurality of first mounting tongue plates, and first tongue plate threaded holes are formed in the first mounting tongue plates.
Preferably, the adjusting mounting seat comprises an adjusting positioning ring, and a plurality of positioning ring threaded holes are formed in the adjusting positioning ring;
the adjusting positioning ring is sleeved on the right sides of the first mounting tongue plates and is fixedly connected with the first mounting tongue plates through bolts in the first tongue plate threaded holes and the positioning ring threaded holes.
Preferably, a second mounting tongue plate is connected to the side end of the adjusting positioning ring, a first mounting base plate and a second mounting base plate are respectively arranged on two sides of the second mounting tongue plate, and a first mounting through hole for a rotating shaft of the stepping motor to penetrate through is formed in the second mounting tongue plate;
the stepping motor is connected with the second mounting tongue plate through a first mounting base plate and a second mounting base plate through bolts, and the stepping motor is positioned at the left end of the first mounting plate.
Preferably, the first L-shaped support comprises a first cross strut and a first vertical support frame vertically connected to the right end of the first cross strut, a first strut positioning hole is formed in the first cross strut, and a rotating shaft of the stepping motor is connected to the first strut positioning hole.
Preferably, the first vertical support frame is in a circular frame shape, a first annular groove is formed in the right end face of the first vertical support frame, threads are arranged on the inner wall of the first annular groove, and the adjusting lens is spirally connected in the first annular groove.
Preferably, the second mounting seat comprises a second left round block and a second right round block, the second left round block and the second right round block are integrally formed, and the second left round block is provided with threads; the second left round block is in threaded connection with the second mounting groove, and the second right round block is connected to the right end of the first mounting seat in a clamped mode.
The utility model has the advantages that:
above-mentioned an optical path adjusting device for methane telemeter is provided with neotype fixed establishment, supporting mechanism at first for whole optical path adjusting device's structure is simpler compact, more reliable and more stable. The fixing mechanism in the adjusting device can better limit the light source assembly and the collimation module, and the light source assembly and the collimation module are positioned on the same collimation light path and then emitted from the light source assembly. The adjusting mechanism is internally provided with an adjusting lens which is positioned on the same collimating light path with the light source component and the collimating module under the ordinary state.
Before the lens is adjusted to rotate, namely when the lens is positioned on the light path, the size of the light spot is smaller; when the stepping motor rotates the first L-shaped support, the adjusting lens rotates along with the first L-shaped support, when the adjusting lens rotates to leave the collimating light path, the stepping motor stops rotating, and the size of the light spot is a large value at the moment. The switching is carried out back and forth, the stepping motor is controlled through a circuit, and when the performance of the whole machine is required to be high in sensitivity, the stepping motor rotates to enable the adjusting lens to leave the collimation light path, namely large light spots are obtained; when the performance of the whole machine is required to be long distance, the stepping motor rotates to enable the adjusting lens to return to the collimation light path, and the small light spot is obtained. The adjusting device can easily change the size of a light spot emitted by the light source, and the excellent performance of the switching equipment can meet the use requirements of different detection occasions; the added devices are cheap and easy to obtain, so that the whole electric focusing mechanism is low in cost, more compact in structure and higher in stability after being connected in a methane telemeter.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic sectional view of the whole structure of an optical path adjusting device for a methane telemeter.
Fig. 2 is a left side schematic view of the fixing mechanism and adjusting mechanism connecting structure.
Fig. 3 is a right-side schematic view of the fixing mechanism and adjusting mechanism connecting structure.
Fig. 4 is a schematic view of the overall structure of the adjustment mechanism.
Detailed Description
The utility model provides a light path adjusting device for methane telemeter, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in detail with reference to the accompanying drawings:
with reference to fig. 1 to 4, an optical path adjusting device for a methane telemeter includes a fixing mechanism 1 and an adjusting mechanism 2, the fixing mechanism 1 includes a first mounting seat 3 and a second mounting seat 4, and a first mounting groove 31 and a second mounting groove 32 are respectively provided on left and right end faces of the first mounting seat 3. The left end of second mount pad 4 is connected with second mounting groove 32, has seted up first step groove 41 in the second mount pad 4, is provided with light source subassembly 5 in the left part of first step groove 41, and it is spacing that light source subassembly 5 passes through the left end of second mount pad 4, is provided with collimation module 6 in the right part of first step groove 41.
The adjusting mechanism 2 comprises an adjusting mounting seat 21 and an adjusting lens 22, wherein the adjusting mounting seat 21 is sleeved on the first mounting seat 3 and is fixedly connected with the first mounting seat 3 through a bolt. The left end of adjusting mount pad 21 even has step motor 23, and step motor 23's pivot is connected with first L shape support 24 after passing adjusting mount pad 3, and adjusting lens 22 sets up on first L shape support 24 on second mount pad 4 right side.
The left end of the fixing mechanism 1 is connected with a supporting mechanism 7, the supporting mechanism 7 comprises a supporting seat 71, the supporting seat 71 is connected to the inner shell wall of a shell of the methane telemeter through bolts, a supporting rod 72 is connected to the side end of the supporting seat 71, and the supporting rod 72 is in threaded connection with the first mounting groove 31 through an end supporting head 73.
The first mounting seat 3 comprises a first seat block 33, the first seat block 33 is in a circular block shape, a plurality of first mounting tongue plates 34 are arranged on the outer side wall of the first seat block 33, and first tongue plate threaded holes are formed in the first mounting tongue 2.
The adjusting mounting seat 21 comprises an adjusting positioning ring 211, and a plurality of positioning ring threaded holes are formed in the adjusting positioning ring 211; the adjusting positioning ring 211 is sleeved on the right side of the first mounting tongues 2 and is fixedly connected with the first mounting tongues 34 through bolts in the threaded holes of the first tongues and the threaded holes of the positioning ring.
A second mounting tongue plate 212 is connected to the side end of the adjusting positioning ring 211, a first mounting base plate 213 and a second mounting base plate 214 are respectively arranged on two sides of the second mounting tongue plate 212, and a first mounting through hole for a rotating shaft of the stepping motor to pass through is formed in the second mounting tongue plate 212; the stepping motor 23 is bolted to the second mounting tongue 212 via a first mounting plate 213 and a second mounting plate 214, and the stepping motor 23 is located at the left end of the first mounting plate.
The first L-shaped bracket 24 includes a first cross-brace 241 and a first vertical brace 242 vertically connected to the right end of the first cross-brace 241, a first brace positioning hole is provided in the first cross-brace 241, and a rotating shaft of the stepping motor 23 is connected in the first brace positioning hole.
The first vertical support frame 242 is in a circular frame shape, a first annular groove 243 is formed in the right end face of the first vertical support frame 242, threads are formed on the inner wall of the first annular groove 243, and the adjusting lens 22 is screwed in the first annular groove 243.
The second mounting seat 4 comprises a second left round block 41 and a second right round block 42, the second left round block 41 and the second right round block 42 are integrally formed, and threads are arranged on the second left round block 41; the second left round block 41 is spirally connected with the second mounting groove 32 through threads, and the second right round block 42 is connected to the right end of the first mounting seat in a clamping mode.
Example 2
Above-mentioned an optical path adjusting device for methane telemeter is provided with neotype fixed establishment 1, supporting mechanism 7 at first for whole optical path adjusting device's structure is simpler compact, more reliable and more stable. Fixing mechanism 1 among this adjusting device can carry out better spacing with light source subassembly 5 and collimation module 6, and light source subassembly 5 and collimation module 6 are located same collimated light way back, and light jets out from light source subassembly 5. The adjusting mechanism 2 is arranged, the adjusting lens 22 is arranged in the adjusting mechanism 2, and the adjusting lens 22 is positioned on the same collimating light path with the light source component 5 and the collimating module 6 in a common state.
Before the lens 22 is adjusted to rotate, namely when the lens is on the light path, the size of the light spot is smaller; when the stepping motor 23 rotates the first L-shaped bracket 24, the adjustment lens 22 rotates therewith, and when the adjustment lens 22 rotates away from the collimated light path, the stepping motor 23 stops rotating, and the light spot size is a large value at this time. The switching is carried out in such a way, the stepping motor 23 is controlled through a circuit, and when the performance of the whole machine is required to be high in sensitivity, the stepping motor 23 rotates to enable the adjusting lens 22 to leave the collimation light path, namely large light spots are obtained; when the performance of the whole machine is required to be remote, the stepping motor 23 rotates to enable the adjusting lens 22 to return to the collimation light path, and the small light spot is obtained. The adjusting device can easily change the size of a light spot emitted by the light source, and the excellent performance of the switching equipment can meet the use requirements of different detection occasions; the added devices are cheap and easy to obtain, so that the whole electric focusing mechanism is low in cost, more compact in structure and higher in stability after being connected in a methane telemeter.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (8)
1. A light path adjusting device for a methane telemeter is characterized by comprising a fixing mechanism and an adjusting mechanism, wherein the fixing mechanism comprises a first mounting seat and a second mounting seat, and a first mounting groove and a second mounting groove are respectively formed in the left end surface and the right end surface of the first mounting seat;
the left end part of the second mounting seat is connected with the second mounting groove, and a first step groove is formed in the second mounting seat; a light source assembly is arranged in the left part of the first step groove, the light source assembly is limited by the left end part of the second mounting seat, and a collimation module is arranged in the right part of the first step groove;
the adjusting mechanism comprises an adjusting mounting seat and an adjusting lens, the adjusting mounting seat is sleeved on the first mounting seat and fixedly connected with the first mounting seat through a bolt, the left end of the adjusting mounting seat is connected with a stepping motor, a rotating shaft of the stepping motor penetrates through the adjusting mounting seat and then is connected with a first L-shaped support, and the adjusting lens is arranged on the first L-shaped support on the right side of the second mounting seat.
2. The optical path adjusting device for a methane telemeter according to claim 1, wherein a supporting mechanism is connected to the left end of the fixing mechanism;
the supporting mechanism comprises a supporting seat, the supporting seat is connected to the inner shell wall of the shell of the methane telemeter through bolts, a supporting rod is connected to the side end of the supporting seat, and the supporting rod is in spiral connection with the first mounting groove through an end supporting head.
3. The optical path adjusting device for a methane telemeter according to claim 1, wherein the first mounting base comprises a first base block, and the first base block is in a circular block shape;
the outer side wall of the first seat block is provided with a plurality of first mounting tongue plates, and first tongue plate threaded holes are formed in the first mounting tongue plates.
4. The optical path adjusting device for the methane telemeter according to claim 3, wherein the adjusting mount comprises an adjusting positioning ring, and a plurality of positioning ring threaded holes are formed in the adjusting positioning ring;
the adjusting positioning ring is sleeved on the right sides of the first mounting tongue plates and is fixedly connected with the first mounting tongue plates through bolts in the first tongue plate threaded holes and the positioning ring threaded holes.
5. The optical path adjusting device for the methane telemeter according to claim 4, wherein a second mounting tongue plate is connected to the side end of the adjusting positioning ring, a first mounting base plate and a second mounting base plate are respectively arranged on two sides of the second mounting tongue plate, and a first mounting through hole for a rotating shaft of the stepping motor to pass through is formed in the second mounting tongue plate;
the stepping motor is connected with the second mounting tongue plate through a first mounting base plate and a second mounting base plate through bolts, and the stepping motor is positioned at the left end of the first mounting plate.
6. The optical path adjusting apparatus of claim 1, wherein the first L-shaped bracket comprises a first cross-brace and a first vertical brace vertically connected to a right end of the first cross-brace, the first cross-brace is provided with a first brace positioning hole, and a rotating shaft of the stepping motor is connected to the first brace positioning hole.
7. The optical path adjusting device for a methane telemeter according to claim 6, wherein the first vertical support frame is a circular frame, a first annular groove is formed in a right end surface of the first vertical support frame, a screw thread is formed on an inner wall of the first annular groove, and the adjusting lens is screwed into the first annular groove.
8. The optical path adjusting device for the methane telemeter according to claim 1, wherein the second mounting base comprises a second left round block and a second right round block, the second left round block and the second right round block are integrally formed, and a thread is arranged on the second left round block; the second left round block is in threaded connection with the second mounting groove, and the second right round block is connected to the right end of the first mounting seat in a clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921615110.3U CN210923443U (en) | 2019-09-26 | 2019-09-26 | Light path adjusting device for methane telemeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921615110.3U CN210923443U (en) | 2019-09-26 | 2019-09-26 | Light path adjusting device for methane telemeter |
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| Publication Number | Publication Date |
|---|---|
| CN210923443U true CN210923443U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921615110.3U Active CN210923443U (en) | 2019-09-26 | 2019-09-26 | Light path adjusting device for methane telemeter |
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| CN (1) | CN210923443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929796A (en) * | 2020-08-19 | 2020-11-13 | 青岛澳瑞德电子有限公司 | Light path adjusting structure with variable light spots |
-
2019
- 2019-09-26 CN CN201921615110.3U patent/CN210923443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929796A (en) * | 2020-08-19 | 2020-11-13 | 青岛澳瑞德电子有限公司 | Light path adjusting structure with variable light spots |
| CN111929796B (en) * | 2020-08-19 | 2022-07-19 | 青岛澳瑞德电子有限公司 | Light path adjusting structure of variable light spot |
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Inventor after: Gao Wentian Inventor after: Wang Haifeng Inventor after: Zhang Zhiqiang Inventor after: Ning Peng Inventor after: Han Chengyu Inventor before: Gao Wentian Inventor before: Zhang Zhiqiang Inventor before: Ning Peng Inventor before: Han Chengyu |