CN219038010U - ATR optical path system combined with ranging - Google Patents
ATR optical path system combined with ranging Download PDFInfo
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- CN219038010U CN219038010U CN202223597793.9U CN202223597793U CN219038010U CN 219038010 U CN219038010 U CN 219038010U CN 202223597793 U CN202223597793 U CN 202223597793U CN 219038010 U CN219038010 U CN 219038010U
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Abstract
The utility model relates to the field of ATR (atom transfer radical polymerization) optical path systems, in particular to an ATR optical path system combining ranging, which comprises a ranging emission laser tube, an ATR emission laser tube, an emission reflector, a reflector, an objective lens component, a main prism, a reticle, an eyepiece component, a two-dimensional photoelectric sensor, a receiving optical fiber, a beam expander and a switching device thereof, an ATR processor unit and a ranging unit, wherein the ranging unit comprises a beam expander driving module and a prism judging module, and the beam expander and the switching device thereof are arranged between the ranging emission laser tube and the emission reflector.
Description
Technical Field
The utility model relates to the field of ATR optical path systems, in particular to an ATR optical path system combined with ranging.
Background
With the development of technology, the automation degree of the total station is higher and higher, and the ATR as the eye of the total station walks on the foreground. The main function of ATR, known as automatic target recognition, above total station is to identify a reflecting target (typically a prism) in the telescope market, the traditional implementation mainly by emitting a laser beam through the instrument, identifying the prism by reflected back images and determining the position of the prism within the field of view.
However, this approach is limited by the performance of the image sensor, which is typically tens of times per second, which is very mismatched to the rotational speed of the total station; in terms of recognition rate, the conventional scheme is low in recognition rate, and the conventional method for recognizing the prism by using the image method is mainly based on the following steps: the reflection of laser light by the prism, the wavelength characteristic of the laser light, and the shape characteristic of the prism, but the characteristics conforming to the characteristics are widely existed under sunlight, and the shape of the prism can be different with different distances, when the distance is very far, the prism is almost a small point; in terms of measurement distance, the measurement distance of the existing scheme is limited, the existing total station ATR main scheme is based on an image imaging principle of a fixed focus lens, but the image of the scheme becomes smaller and smaller along with the increase of the distance, the returned laser energy becomes weaker and weaker, and if the gain is increased, the image of a prism is easily submerged in a field of view.
Disclosure of Invention
The utility model aims to provide an ATR light path system combining ranging, which adopts ranging signals to replace a traditional image sensor to perform prism identification, so that the speed, the identification rate and the measurement distance of the existing total station can be improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an ATR light path system combining ranging comprises a ranging emission laser tube, an ATR emission laser tube, an emission reflector, a reflector, an objective lens component, a main prism, a reticle, an eyepiece component, a two-dimensional photoelectric sensor, a receiving optical fiber, a beam expander and a switching device thereof, an ATR processor unit and a ranging unit, wherein the ranging unit comprises a beam expander driving module and a prism judging module, and the beam expander and the switching device thereof are arranged between the ranging emission laser tube and the emission reflector;
the device comprises a range finding transmitting laser tube, a reflecting head, a target object, a main prism, a receiving optical fiber, a range finding unit and a range finding unit, wherein the range finding transmitting laser tube is used for transmitting a first laser sent by the range finding transmitting laser tube to the reflecting head, the reflecting head is used for reflecting the first laser to the target object, the first laser irradiates a target object through the target object, the target object irradiates the main prism through the target object after reflecting the first laser, the main prism reflects the first laser back to the reflecting head, the first laser is reflected to the receiving optical fiber through the reflecting head, and the receiving optical fiber transmits a receiving signal to the range finding unit;
the reflecting head is used for reflecting the second laser emitted by the ATR emission laser tube to the objective lens assembly, the second laser irradiates the target object through the objective lens assembly, the target object irradiates the main prism through the objective lens assembly after reflecting the second laser, the main prism reflects the second laser to the two-dimensional photoelectric sensor, the two-dimensional photoelectric sensor transmits a receiving signal to the ATR processor unit, and the ATR processor unit transmits the processed receiving signal to the ranging unit;
the prism judging module in the ranging unit controls the beam expander and the switching device thereof to adjust and switch the divergence angle of the first laser emitted by the ranging emitting laser tube according to the received emission information of the ranging emitting laser tube and the emission information of the ATR emitting laser tube;
the third laser reflected by the target passes through the objective lens component and the main prism, and images are formed on the reticle, and the images formed on the reticle are observed through the eyepiece component.
Preferably, the objective lens assembly includes an objective lens single lens and an objective lens cemented lens, the objective lens single lens being located outside the objective lens cemented lens.
Preferably, a collimating lens, a diaphragm and a beam expander for improving the collimating efficiency are further arranged between the ranging transmitting laser tube and the transmitting reflecting sheet in sequence, and the beam expander and the switching device thereof are arranged between the beam expander and the diaphragm.
Preferably, a reflecting sheet is further arranged between the collimating mirror and the diaphragm, the reflecting sheet is used for reflecting first laser emitted by the ranging emission laser tube to the reflecting plate, the reflecting plate reflects the first laser to the receiving optical fiber, and the light path is an inner light path and is used for solving the temperature drift problem.
Preferably, a focusing lens and an image turning prism are further arranged between the main prism and the reticle in sequence.
Preferably, an ATR optical fiber coupling component is also arranged between the ATR emitting laser tube and the emitting reflector.
The beneficial effects of the utility model are as follows: and a ranging signal is adopted to replace a traditional image sensor to carry out prism identification, the laser signal emitted by a ranging laser tube and the laser signal emitted by an ATR (atom transfer radical polymerization) emitting laser tube are finally transmitted to a ranging unit, and a prism judging module in the ranging unit controls a beam expander driving module to adjust the beam divergence angle after judging according to the measured distance, so that the speed, the identification rate and the measured distance of the existing total station are improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an optical system of the present utility model;
the labels in the figure: 1 is an objective lens component, 101 is an objective lens single lens, 102 is an objective lens cemented lens, 3 is a reflecting head, 4 is a main prism, 5 is a focusing lens, 6 is an image turning prism, 7 is a reticle, 8 is an eyepiece component, 9 is a transmitting reflector, 10 is a beam expander, 11 is a diaphragm, 12 is a reflector, 13 is a reflector, 14 is a receiving optical fiber, 15 is a collimating lens, 16 is a ranging transmitting laser tube, 17 is an ATR transmitting laser tube, 18 is an ATR optical fiber coupling component, 19 is a two-dimensional photoelectric sensor, 20 is an ATR processor unit, 21 is a ranging unit, 22 is a beam expander and switching device thereof, 23 is a prism judging module, and 24 is a beam expander driving module.
Detailed Description
Example 1
An ATR optical path system combined with ranging as shown in fig. 1, in this embodiment 1, includes a ranging emission laser tube 16, an ATR emission laser tube 17, an emission reflector 9, a reflection head 3, an objective lens assembly 1, a main prism 4, a reticle 7, an eyepiece assembly 8, a two-dimensional photoelectric sensor 19, a receiving optical fiber 14, a beam expander and a switching device 22 thereof, an ATR processor unit 20, and a ranging unit 21, where the ranging unit 21 includes a beam expander driving module 24 and a prism judging module 23, and the beam expander and the switching device 22 thereof are disposed between the ranging emission laser tube 16 and the emission reflector 9.
The transmitting reflector 9 is used for reflecting the first laser emitted by the ranging transmitting laser tube 16 to the reflecting head 3, the reflecting head 3 is used for reflecting the first laser to the objective lens assembly 1, the first laser irradiates the target object through the objective lens assembly 1, the objective lens assembly 1 through which the target object passes after reflecting the first laser irradiates the main prism 4, the main prism 4 reflects the first laser back to the reflecting head 3, the first laser is reflected to the receiving optical fiber 14 through the reflecting head 3, and the receiving optical fiber 14 transmits the receiving signal to the ranging unit 21.
The reflection head 3 is configured to reflect the second laser beam emitted from the ATR emission laser tube 17 to the objective lens assembly 1, where the second laser beam irradiates the target object through the objective lens assembly 1, where the target object irradiates the main prism 4 through the objective lens assembly 1 after reflecting the second laser beam, where the main prism 4 reflects the second laser beam to the two-dimensional photosensor 19, where the two-dimensional photosensor 19 transmits the received signal to the ATR processor unit 20, and where the ATR processor unit 20 transmits the processed received signal to the ranging unit 21.
The prism judging module 23 in the ranging unit 21 judges according to the received emission information of the ranging emission laser tube 16 and the emission information of the ATR emission laser tube 17, and then the beam expander driving module 24 controls the beam expander and the switching device 22 thereof to adjust and switch the divergence angle of the first laser emitted by the ranging emission laser tube 16.
The third laser light reflected by the object passes through the objective lens assembly 1 and the main prism 4, and is imaged on the reticle 7, and the imaged image on the reticle 7 is observed through the eyepiece lens assembly 8.
In the embodiment 1, a phase method ranging method or a pulse method ranging method is adopted, and the processing speed of the judging prism can be improved no matter what ranging signal method is adopted; however, when the distance measurement is far, the divergence angle of the light speed is smaller, the better the divergence angle is, the stronger the divergence angle is, the smaller the divergence angle is, the more the energy reflected by the target is, the signal reflected by the target can be ensured instead of the signal reflected by other reflectors, so when the distance measurement unit 21 obtains the distance measurement signal to be far, the beam expander and the switching device 22 thereof can be controlled by the beam expander driving module 24 to reduce the divergence angle, and the improvement of the distance measurement is more facilitated; for improving the prism recognition rate, if the light beam is kept the same as the original light beam, the area of single recognition is small, and then the light beam is expanded, and the area of single recognition is increased, so when the recognition result of the ranging unit 21 is that the prism exists, the ATR processor unit 20 recognizes a specific two-dimensional position again, and the beam expander and the switching device 22 thereof can be controlled by the beam expander driving module 24 to increase the divergence angle for beam expansion, thereby being beneficial to improving the prism recognition rate.
Example 2
On the basis of embodiment 1, the present utility model provides an ATR optical path system incorporating ranging as shown in fig. 1, and the objective lens assembly 1 includes an objective lens single lens 101 and an objective lens cemented lens 102, the objective lens single lens 101 being located outside the objective lens cemented lens 102.
A collimating lens 15, a diaphragm 11 and a beam expander 10 are also arranged between the ranging transmitting laser tube 16 and the transmitting reflecting sheet 9 in sequence, and the beam expander and a switching device 22 thereof are arranged between the beam expander 10 and the diaphragm 11.
A reflecting sheet 12 is further arranged between the collimating mirror 15 and the diaphragm 11, the reflecting sheet 12 is used for reflecting the first laser emitted by the ranging emission laser tube 16 to the reflecting plate 13, and the reflecting plate 13 reflects the first laser into the receiving optical fiber 14.
A focusing lens 5 and an image turning prism 6 are also arranged between the main prism 4 and the reticle 7 in sequence.
An ATR optical fiber coupling assembly 18 is disposed between the ATR emitting laser tube 17 and the emissive reflector 9.
Other system configurations of this embodiment 2 are the same as those of embodiment 1.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The ATR optical path system combining ranging is characterized by comprising a ranging emission laser tube (16), an ATR emission laser tube (17), an emission reflector (9), a reflector head (3), an objective lens assembly (1), a main prism (4), a reticle (7), an eyepiece assembly (8), a two-dimensional photoelectric sensor (19), a receiving optical fiber (14), a beam expander and a switching device (22) thereof, an ATR processor unit (20) and a ranging unit (21), wherein the ranging unit (21) comprises a beam expander driving module (24) and a prism judging module (23), and the beam expander and the switching device (22) thereof are arranged between the ranging emission laser tube (16) and the emission reflector (9);
the device comprises a range finding transmitting laser tube (16), a reflecting head (3), a receiving optical fiber (14), a range finding unit (21) and a range finding reflection sheet (9), wherein the transmitting reflection sheet (9) is used for reflecting first laser emitted by the range finding transmitting laser tube (16) to the reflecting head (3), the reflecting head (3) is used for reflecting the first laser to the objective lens assembly (1), the first laser irradiates a target object through the objective lens assembly (1), the target object irradiates the main prism (4) through the objective lens assembly (1) after reflecting the first laser, the main prism (4) reflects the first laser back to the reflecting head (3), the first laser is reflected to the receiving optical fiber (14) through the reflecting head (3), and the receiving optical fiber (14) transmits a receiving signal to the range finding unit (21); the reflection head (3) is used for reflecting second laser emitted by the ATR emission laser tube (17) to the objective lens assembly (1), the second laser irradiates a target object through the objective lens assembly (1), the target object irradiates the main prism (4) through the objective lens assembly (1) after reflecting the second laser, the main prism (4) reflects the second laser to the two-dimensional photoelectric sensor (19), the two-dimensional photoelectric sensor (19) transmits a receiving signal to the ATR processor unit (20), and the ATR processor unit (20) transmits the processed receiving signal to the ranging unit (21); a prism judging module (23) in the ranging unit (21) judges the received emission information of the ranging emission laser tube (16) and the received emission information of the ATR emission laser tube (17), and then a beam expander driving module (24) controls a beam expander and a switching device (22) thereof to adjust and switch the divergence angle of first laser emitted by the ranging emission laser tube (16);
the third laser reflected by the target passes through the objective lens assembly (1) and the main prism (4) and forms an image on the reticle (7), and the image formed on the reticle (7) is observed through the eyepiece assembly (8).
2. An ATR optical path system incorporating ranging as claimed in claim 1, wherein: the objective lens assembly (1) comprises an objective lens single lens (101) and an objective lens cemented lens (102), wherein the objective lens single lens (101) is positioned outside the objective lens cemented lens (102).
3. An ATR optical path system incorporating ranging as claimed in claim 1, wherein: a collimating lens (15), a diaphragm (11) and a beam expander (10) are further arranged between the ranging transmitting laser tube (16) and the transmitting reflecting sheet (9) in sequence, and the beam expander and a switching device (22) thereof are arranged between the beam expander (10) and the diaphragm (11).
4. An ATR optical path system incorporating ranging as claimed in claim 3, wherein: a reflecting sheet (12) is further arranged between the collimating mirror (15) and the diaphragm (11), the reflecting sheet (12) is used for reflecting first laser emitted by the ranging emitting laser tube (16) to the reflecting plate (13), and the reflecting plate (13) reflects the first laser into the receiving optical fiber (14).
5. An ATR optical path system incorporating ranging as claimed in claim 1, wherein: a focusing lens (5) and an image turning prism (6) are sequentially arranged between the main prism (4) and the reticle (7).
6. An ATR optical path system incorporating ranging as claimed in claim 1, wherein: an ATR optical fiber coupling component (18) is arranged between the ATR emission laser tube (17) and the emission reflecting sheet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597793.9U CN219038010U (en) | 2022-12-30 | 2022-12-30 | ATR optical path system combined with ranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597793.9U CN219038010U (en) | 2022-12-30 | 2022-12-30 | ATR optical path system combined with ranging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219038010U true CN219038010U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223597793.9U Active CN219038010U (en) | 2022-12-30 | 2022-12-30 | ATR optical path system combined with ranging |
Country Status (1)
| Country | Link |
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| CN (1) | CN219038010U (en) |
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- 2022-12-30 CN CN202223597793.9U patent/CN219038010U/en active Active
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