CN218446000U - Device capable of measuring height of total station - Google Patents
Device capable of measuring height of total station Download PDFInfo
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- CN218446000U CN218446000U CN202222464873.0U CN202222464873U CN218446000U CN 218446000 U CN218446000 U CN 218446000U CN 202222464873 U CN202222464873 U CN 202222464873U CN 218446000 U CN218446000 U CN 218446000U
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Abstract
The application belongs to the field of laser ranging, and discloses a device capable of measuring the height of a total station, which comprises a shell, a laser emitting system, a laser receiving system, a circuit system and a strut; the laser emission system comprises an emission laser, an emission laser lens, a lens focusing seat and a lens translation seat; the laser receiving system comprises a receiving lens, a receiving optical fiber adjusting seat and a receiving optical fiber fixing seat; the circuit system comprises a transmitting circuit board, a receiving circuit board, a mainboard and a circuit board connecting piece. The problem of lack among the prior art integrated to the laser rangefinder of total powerstation bottom central point, limit function's popularization, manual input altitude inefficiency, measuring error are big has mainly been solved to this application. The utility model discloses main beneficial effect as follows has: simple structure, easily equipment, integrated level are high, the small and exquisite compactness of product structure, can be used to other short distance measuring fields such as total powerstation, have improved measuring precision and surveyor's work efficiency.
Description
Technical Field
The utility model belongs to laser rangefinder field especially can with the total powerstation cooperation, measure the total powerstation height, discloses a device of measurable quantity total powerstation height.
Background
Laser rangefinder near uses generally in daily life, and is common to have handheld distancer, distance sensor etc. and its technical maturity, and the range finding precision can reach the millimeter level.
As a surveying and mapping system integrating functions of angle measurement, distance measurement, height difference measurement and the like, the total station has considerable influence on a measurement result. The conventional total station acquires the height of the total station by using a measuring tape to measure the height from the ground to the center of a transverse shaft of the total station, and then manually inputting the height into the instrument.
The total station capable of automatically measuring the height of the instrument has appeared at home and abroad, and the height of the instrument can be directly measured by installing the laser range finder at the center of the bottom of the total station, so that measured data can directly enter the total station for operation.
At present, no better design scheme exists for the laser distance measuring device capable of being integrated to the center position of the bottom of the total station, and popularization of the function is limited.
In the prior art, CN114370072a discloses a detection system convenient for measuring foundation pit deformation, which comprises a foundation pit retaining wall and a detection device, wherein the foundation pit retaining wall is provided with a plurality of monitoring points along the height direction of the foundation pit retaining wall, the monitoring points are provided with monitoring devices, and the detection device is used for detecting the position change of the monitoring devices. It sets up the monitoring point through not co-altitude department on the lateral wall of foundation ditch, and the deformation situation of lateral wall of foundation ditch co-altitude department all can be detected by the total powerstation directly perceivedly, and testing personnel can know the stable condition of excavation supporting construction in comparatively detail, maintain for supporting construction and repair and make the implementation scheme.
Prior art CN207248178U discloses total powerstation support with elevating system, and its technical scheme main points are including supporting seat and supporting leg, the one end at the supporting leg is installed to the supporting seat, the one end that the supporting leg deviates from the supporting seat is the toper setting, the supporting leg includes first support festival and second support festival, first support festival is the setting of cavity form, the second supports the festival and inlays to establish in first support festival, second support festival joint support seat, be equipped with elevating system on the supporting leg, elevating system is used for changing the relative position between first support festival and the second support festival. Through adopting above-mentioned technical scheme, when the height of needs to the supporting leg is adjusted, start elevating system, elevating system changes the relative position between first support festival and the second support festival in the motion process to the realization is to the regulation of supporting leg itself height, in order to satisfy the working requirement. The height adjustment is realized through the total station support with the lifting mechanism, which can adjust the height of the total station support according to the working requirement.
The above prior art cannot accurately and quickly measure the height of the total station itself.
The utility model aims at providing a can integrate the feasible scheme to the laser rangefinder of total powerstation bottom.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a device for measuring the height of a total station, which is implemented by the following technical solution.
A device capable of measuring the height of a total station structurally comprises a shell, a laser emitting system, a laser receiving system, a circuit system and a support column; the laser emission system comprises an emission laser, an emission laser lens, a lens focusing seat and a lens translation seat, wherein the emission laser lens is arranged in the lens focusing seat; the transmitting laser is positioned right above the lens focusing seat and is welded and fixed on the central position of the transmitting circuit board; the excircle of the emitting laser is matched with the shell, and the emitting laser is arranged on the central axis of the shell; the lens focusing seat is screwed on the lens translation seat through threads; the laser receiving system comprises a receiving lens, a receiving optical fiber adjusting seat and a receiving optical fiber fixing seat; the circuit system comprises a transmitting circuit board, a receiving circuit board, a mainboard and a circuit board connecting piece; the laser emitting system, the laser receiving system and the circuit system are all fixedly arranged on the shell by using screws and pillars; the position of the lens focusing seat can be adjusted, and the focus of the laser emitting lens can be adjusted to coincide with the laser emitting device through adjustment; the lens translation seat is fixed on the shell through a screw, after the screw is loosened, the lens translation seat has a position adjustable range of +/-0.5 mm, and the position of a light spot for emitting laser can be adjusted through adjustment of the lens translation seat; the receiving lens is glued on the shell by using UV glue when being installed; the receiving optical fiber adjusting seat is arranged on the circuit board connecting piece and can translate on the circuit board connecting piece, and the translation range is +/-0.5 mm; the receiving optical fiber fixing seat is fixedly arranged on the support column through a screw, the screw also fixes the receiving circuit board on the support column, and the receiving optical fiber fixing seat is provided with a metal shell which can wrap devices on the receiving circuit board to form a shielding cover so as to reduce interference signals on the circuit; the center of the transmitting circuit board is welded with a transmitting laser, the transmitting laser is flatly attached to the transmitting circuit board during welding, and the transmitting circuit board is perpendicular to the central axis of the shell to ensure that the transmitting laser is parallel to the central axis of the shell; the receiving circuit board and the circuit board connecting piece are respectively positioned at two sides of the main board, the receiving circuit board and the main board are connected by welding through a lead, a receiving optical fiber fixing seat is sleeved on the receiving circuit board during installation, and the receiving optical fiber fixing seat and the receiving circuit board are fixed on the strut by two screws; the mainboard is 1mm in thickness, is positioned in the middle of the module, is vertically arranged, reduces occupied space, is connected with the transmitting circuit board through a circuit board connecting piece, is respectively fixed on the circuit board connecting piece by four screws, is mutually communicated at the intersection position through the pin header and the nut header, is provided with an electrical interface, and can be communicated with an upper computer to transmit data; the two mutually vertical surfaces of the circuit board connecting piece are respectively provided with the transmitting circuit board and the mainboard, so that the mainboard can be fixedly arranged vertical to the transmitting circuit board; the post is threadedly mounted within the housing.
The utility model discloses main beneficial effect as follows has: simple structure, easily equipment, integrated level are high, the small and exquisite compactness of product structure, can be used to other short distance measuring fields such as total powerstation, have improved measuring precision and surveyor's work efficiency.
Drawings
Fig. 1 is a schematic diagram.
Fig. 2 is a schematic sectional view of the assembled structure of the present application.
Fig. 3 is a schematic view of the assembly structure of the present application.
Fig. 4 is a dimension diagram of the present application.
Fig. 5 is a schematic diagram of the laser emitting lens 2 b.
Fig. 6 is a schematic diagram of the receiving lens 3 a.
Fig. 7 is a schematic view of the receiving fiber 3 b.
Fig. 8 is a schematic diagram of the connection between the main board 4c and the transmitting circuit board 4 a.
Fig. 9 is a schematic view of receiving focus.
Fig. 10 is a schematic diagram illustrating adjustment of the receiving optical axis.
Fig. 11 is a schematic external view of the main board 4 c.
In the figure: the device comprises an a-laser, a b-transmitting lens, a c-receiving lens, a d-device for receiving optical signals, a 1-shell, a 5-support, a 2 a-transmitting laser, a 2 b-transmitting laser lens, a 2 c-lens focusing seat, a 2 d-lens translation seat, a 3 a-receiving lens, a 3 b-receiving optical fiber, a 3 c-receiving optical fiber adjusting seat, a 3 d-receiving optical fiber fixing seat, a 4 a-transmitting circuit board, a 4 b-receiving circuit board, a 4 c-main board, a 4 d-circuit board connecting piece, a 3 b-1-circular metal head, a 3 b-2-fiber core, a pin 4c-1, a pin 4a-1 and an electrical interface 4c-2.
Detailed Description
Referring to fig. 1 to 11, a principle of the device for measuring the height of a total station according to the present application is shown in fig. 1, and the device for measuring the height of the total station from the total station to the ground based on the paraxial laser ranging principle has the following basic structural principle: the laser a is arranged at the focal position of the transmitting lens b to form parallel light to be emitted, emergent light spots are reflected, part of light enters the receiving lens c to be focused on the focal plane of the receiving lens, the device d for receiving the optical signal is placed near the focusing position, and the optical signal is received back to measure the distance.
Referring to fig. 2-11, a device for measuring the height of a total station includes a housing 1, a laser emitting system, a laser receiving system, a circuit system, and a support 5;
the laser emission system comprises an emission laser 2a, an emission laser lens 2b, a lens focusing seat 2c and a lens translation seat 2d, wherein the emission laser lens 2b is arranged in the lens focusing seat 2 c; the emission laser 2a is positioned right above the lens focusing seat 2c, and the emission laser 2a is welded and fixed on the center of the emission circuit board 4 a; the excircle of the emitting laser 2a is matched with the shell 1, and the emitting laser 2a is arranged on the central axis of the shell 1;
the lens focusing seat 2c is screwed on the lens translation seat 2d through threads;
the laser receiving system comprises a receiving lens 3a, a receiving optical fiber 3b, a receiving optical fiber adjusting seat 3c and a receiving optical fiber fixing seat 3d;
the circuit system comprises a transmitting circuit board 4a, a receiving circuit board 4b, a mainboard 4c and a circuit board connecting piece 4d;
the laser emitting system, the laser receiving system and the circuit system are all fixedly arranged on the shell 1 by using screws and pillars 5;
the position of the lens focusing seat 2c can be adjusted, and the focal point of the laser emitting lens 2b can be adjusted to coincide with the laser emitting device 2a through adjustment;
the lens translation seat 2d is fixed on the shell through a screw, the position adjustable range of the lens translation seat 2d can reach +/-0.5 mm through the tightness adjustment of the screw, and the position of a light spot for emitting laser can be adjusted through the adjustment of the lens translation seat 2 d;
the receiving lens 3a is glued to the housing 1 using UV glue when mounted;
the receiving optical fiber adjusting seat 3c is arranged on the circuit board connecting piece 4d and can translate on the circuit board connecting piece 4d, and the translation range is +/-0.5 mm;
the receiving optical fiber fixing seat 3d is fixedly arranged on the support post 5 through a screw, the receiving circuit board 4b is fixed on the support post 5 through the screw, the receiving optical fiber fixing seat 3d is provided with a metal shell, and devices on the receiving circuit board 4b can be wrapped to form a shielding cover, so that interference signals on a circuit are reduced;
the center of the transmitting circuit board 4a is welded with a transmitting laser 2a, the transmitting laser 2a is flatly attached to the transmitting circuit board 4a during welding, the transmitting circuit board 4a is perpendicular to the central axis of the shell 1, and the transmitting laser 2a is ensured to be parallel to the central axis of the shell 1;
the receiving circuit board 4b and the circuit board connecting piece 4d are respectively positioned at two sides of the main board 4c, the receiving circuit board 4b is connected with the main board 4c through a lead in a welding way, the receiving optical fiber fixing seat 3d is sleeved on the receiving circuit board 4b during installation, and the receiving optical fiber fixing seat 3d and the receiving circuit board 4b are fixed on the support column 5 by two screws;
the mainboard 4c is 1mm thick, is positioned in the middle of the module, is vertically arranged, reduces occupied space, is connected with the transmitting circuit board 4a through a circuit board connecting piece 4d, is respectively fixed on the circuit board connecting piece 4d by four screws, is mutually communicated at the intersecting position through a pin 4c-1 and a nut 4a-1, and is provided with an electrical interface 4c-2 for communicating with an upper computer and transmitting data;
the two mutually perpendicular surfaces of the circuit board connecting piece 4d are respectively provided with the transmitting circuit board 4a and the main board 4c, so that the main board 4c can be fixedly arranged perpendicular to the transmitting circuit board 4 a;
the post 5 is threadedly mounted in the housing 1.
The device for measuring the height of the total station is characterized in that the transmitting laser 2a is a QL63F5SA laser manufactured by QSI company.
The device capable of measuring the height of the total station is characterized in that the working distance nominal value of the laser emitting lens 2b is 3.46mm, the outer diameter nominal value is 3mm, and the center thickness nominal value is 1.78mm.
The device capable of measuring the height of the total station is characterized in that the laser emitting lens 2b and the lens focusing seat 2c are installed in a matched mode through UV glue.
The device capable of measuring the height of the total station is characterized in that the nominal value of the aperture in the lens focusing seat 2c is 3mm, and the outer side of the lens focusing seat is provided with M4 threads.
The device capable of measuring the height of the total station is characterized in that the working distance of the receiving lens 3a is 7.3mm, the outer diameter is 5.5mm, the center thickness is 2.4mm, and the distance from the center of the receiving lens 3a to the center of the housing 1 is 5mm.
The device for measuring the height of the total station is characterized in that the length nominal value of the receiving optical fiber 3b is 40mm.
Further, the device for measuring the height of the total station is characterized in that the receiving optical fiber 3b is a plastic optical fiber, and can realize larger-angle bending compared with a glass optical fiber.
Furthermore, the device for measuring the height of the total station is characterized in that the two ends of the receiving optical fiber 3b are respectively provided with a circular metal head 3b-1, the light emitting position of the fiber core 3b-2 is located at the center of the circular metal head, wherein a metal head with the length of 5mm is installed on the receiving optical fiber adjusting seat 3c, the position of the metal head can be adjusted up and down, the center of the optical fiber is located on the focal plane of the receiving lens 3a, and finally the optical fiber is supported by a fastening screw on the side surface.
The device capable of measuring the height of the total station is characterized in that the receiving optical fiber adjusting seat 3c is fixedly arranged on the circuit board connecting piece 4d through a screw.
The device capable of measuring the height of the total station is characterized in that the transmitting circuit board 4a is circular, the diameter nominal value is 26mm, and the thickness nominal value is 1mm.
The device capable of measuring the height of the total station is characterized in that the receiving circuit board 4b is semicircular, and the nominal radius value is 13mm.
The device capable of measuring the height of the total station is characterized in that the strut 5 is a hexagonal copper cylinder with the height nominal value of 4 mm.
When the circuit system is implemented, firstly, the circuit system is assembled, the transmitting circuit board 4a and the main board 4c are fixed on the circuit board connecting piece 4d by using screws, and the row bus 4a-1 on the transmitting circuit board 4a and the row pin 4c-1 on the main board 4c are oppositely inserted. The receiving circuit board 4b and the main board 4c are connected using wire bonding.
The transmitting circuit board 4a is fixedly arranged in the shell 1 by using screws and a support post 5, the receiving optical fiber fixing seat 3d is sleeved on the receiving circuit board 4b, and the transmitting circuit board 4a and the receiving optical fiber fixing seat are fixed on the support post 5 by using screws.
The laser emitting lens 2b is glued on the lens focusing seat 2c by using UV glue, the receiving lens 3a is glued on the shell, the lens translation seat 2d is screwed with the lens focusing seat 2c through threads, and the lens translation seat 2d is fixed on the shell 1 by using screws.
The receiving optical fiber adjusting seat 3c is fixed on the circuit board connecting piece 4d by using a screw, a metal head with the length of 5mm of the receiving optical fiber 3b is inserted into a hole of the receiving optical fiber adjusting seat 3c and is supported by using a set screw, and the other metal head with the length of 3mm is inserted into a hole of the receiving optical fiber fixing seat 3d and is also supported by using the set screw.
The emitted laser focusing is carried out, the purpose is to focus the emitted laser and obtain a stronger return light signal, and the method comprises the following steps: the lens focusing base 2c is screwed on the lens translation base 2d through a screw thread, and the lens focusing base 2c is rotated to move up and down, so that the distance between the transmitting laser lens 2b and the transmitting laser 2a in the lens focusing base 2c is adjusted. After the laser spot is focused at the position of 1.5 meters, the lens focusing seat 2c is fixed on the lens translation seat 2d by using a set screw on the side surface of the lens translation seat 2 d.
The laser emission and the adjustment of the center line of the shell are coaxial, the aim is to ensure that the final distance measurement value is consistent with the actual distance, and the method comprises the following steps: use a frock support, it is high to 1.5 meters height with the module frame, and can rotate by module self axis. Three screws for fixing the lens translation seat 2d on the shell 1 are loosened, and the lens translation seat 2d is moved, so that the movement of the laser emitting optical axis can be realized. When the module is adjusted to rotate, the laser spot does not move, which indicates that the laser is coaxial with the shell.
Focusing of a receiving optical path is carried out, so as to ensure that a return optical signal can be focused on a focal plane of a receiving lens, and the method comprises the following steps: the receiving optical fiber 3b is inserted into the end of the receiving optical fiber holder 3d and taken out, and a laser T1 is used for irradiating the optical fiber, and the laser passes through the optical fiber and then downwards passes through the receiving lens 3a to form a large light spot. The set screw for tightening the optical fiber on the receiving optical fiber adjusting seat 3c is loosened, the optical fiber metal head is moved up and down, so that the large light spot formed by the laser is clear at the boundary of 1.5 m away, which shows that the fiber core position of the optical fiber metal head is positioned on the focal plane of the receiving lens 3a, and then the set screw for tightening the optical fiber is screwed.
The optical axis of the receiving optical path is adjusted so that the return signal of the emitted laser light can be focused on the metal head core of the receiving optical fiber 3 b. The method comprises the following steps: after the focusing operation of the previous receiving optical path is completed, two screws for fixing the receiving optical fiber adjusting seat 3c are unscrewed, so that the receiving optical fiber adjusting seat 3c can be translated on the circuit board connecting piece 4d, a large light spot with clear boundary formed by laser emitted from the optical fiber can also move during translation, the large light spot and a light spot emitted by a laser of the module per se are concentric at a distance of 1.5 meters by adjusting the position of the receiving optical fiber adjusting seat 3c, and the two screws for fixing the receiving optical fiber adjusting seat 3c are screwed down. And the receiving optical fiber 3b is inserted into the receiving optical fiber fixing seat 3d again and is supported and fastened by a fastening screw.
The numerical values in this application generally refer to nominal values, and the glue may be a UV glue or other glue with a corresponding function.
The laser emitting system, the laser receiving system and the circuit system are realized, and the miniaturization of the module can be realized by the appearance design and the structure position of the laser emitting system, the laser receiving system and the circuit system.
The application has the following beneficial effects: the utility model has the advantages that the structure is highly integrated, and whole diameter only has 30mm, can satisfy the installation requirement of total powerstation completely, realizes the high function of self-test appearance for the total powerstation and provides a simple and feasible scheme. Meanwhile, the device can also be applied to other short-distance ranging fields, and can be used only by being provided with corresponding mechanical and electrical interfaces. The total station has the high function of the self-measuring instrument, can improve the measuring precision and the working efficiency of a surveyor, and has very important significance for surveying and mapping work.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A device capable of measuring the height of a total station comprises a shell (1), a laser emitting system, a laser receiving system, a circuit system and a strut (5); the method is characterized in that: the laser emission system comprises an emission laser (2 a), an emission laser lens (2 b), a lens focusing seat (2 c) and a lens translation seat (2 d); the laser receiving system comprises a receiving lens (3 a), a receiving optical fiber (3 b), a receiving optical fiber adjusting seat (3 c) and a receiving optical fiber fixing seat (3 d); the circuit system comprises a transmitting circuit board (4 a), a receiving circuit board (4 b), a main board (4 c) and a circuit board connecting piece (4 d); the laser emitting lens (2 b) is arranged inside the lens focusing seat (2 c); the transmitting laser (2 a) is positioned right above the lens focusing seat (2 c), and the transmitting laser (2 a) is welded and fixed on the central position of the transmitting circuit board (4 a); the excircle of the emitting laser (2 a) is matched with the shell (1), and the emitting laser (2 a) is arranged on the central axis of the shell (1); the lens focusing seat (2 c) is screwed on the lens translation seat (2 d) through threads; the laser emitting system, the laser receiving system and the circuit system are all fixedly arranged on the shell (1) by using screws and pillars (5); the position of the lens focusing seat (2 c) can be adjusted, and the focus of the laser emitting lens (2 b) can be adjusted to coincide with the laser emitting device (2 a) through adjustment; the lens translation seat (2 d) is fixed on the shell through a screw, after the screw is loosened, the lens translation seat (2 d) has a position adjustable range of +/-0.5 mm, and the adjustment of the lens translation seat (2 d) can adjust the position of a light spot for emitting laser; the receiving lens (3 a) is glued to the housing (1) by glue when mounted; the receiving optical fiber adjusting seat (3 c) is arranged on the circuit board connecting piece (4 d) and can translate on the circuit board connecting piece (4 d), and the translation range is +/-0.5 mm; the receiving optical fiber fixing seat (3 d) is fixedly arranged on the support column (5) through a screw, the screw also fixes the receiving circuit board (4 b) on the support column (5), and the receiving optical fiber fixing seat (3 d) is provided with a metal shell which can wrap devices on the receiving circuit board (4 b) to form a shielding cover; the center of the transmitting circuit board (4 a) is welded with a transmitting laser (2 a), the transmitting laser (2 a) is flatly attached to the transmitting circuit board (4 a) during welding, the transmitting circuit board (4 a) is perpendicular to the central axis of the shell (1), and the transmitting laser (2 a) is parallel to the central axis of the shell (1); the receiving circuit board (4 b) and the circuit board connecting piece (4 d) are respectively positioned at two sides of the main board (4 c), the receiving circuit board (4 b) is connected with the main board (4 c) in a welding mode through a conducting wire, the receiving optical fiber fixing seat (3 d) is sleeved on the receiving circuit board (4 b) during installation, and the receiving optical fiber fixing seat (3 d) and the receiving circuit board (4 b) are fixed on the supporting column (5) through screws; the thickness nominal value of the main board (4 c) is 1mm, the main board (4 c) is positioned in the middle of the module and is vertically placed, the main board (4 c) and the transmitting circuit board (4 a) are connected together through a circuit board connecting piece (4 d) and are respectively fixed on the circuit board connecting piece (4 d) through screws, the intersecting positions are mutually communicated through a pin header (4 c-1) and a bus header (4 a-1), and the main board (4 c) is provided with an electrical interface (4 c-2); the two mutually vertical surfaces of the circuit board connecting piece (4 d) are respectively provided with an emitting circuit board (4 a) and a main board (4 c), and the main board (4 c) is fixedly arranged vertical to the emitting circuit board (4 a); the strut (5) is mounted in the housing (1) by means of a screw thread.
2. An arrangement for measuring the height of a total station according to claim 1, characterized in that said emitting laser (2 a) is of the type QL63F5SA.
3. An arrangement for measuring the height of a total station according to claim 2, characterised in that said transmitting laser lens (2 b) has a working distance of nominally 3.46mm, an outer diameter of nominally 3mm and a centre thickness of nominally 1.78mm.
4. A device as claimed in claim 3, wherein said transmitting laser lens (2 b) and said lens focusing mount (2 c) are mounted by glue.
5. An arrangement according to claim 4, wherein said lens holder (2 c) has a nominal 3mm bore diameter and an outer M4 thread.
6. An arrangement for measuring the height of a total station according to claim 5, characterised in that said receiving lens (3 a) is working at a nominal distance of 7.3mm, an outer diameter of 5.5mm, a centre thickness of 2.4mm and the centre of the receiving lens (3 a) is 5mm from the centre of the housing (1).
7. An arrangement for measuring the height of a total station according to claim 6, characterized in that said receiving fiber (3 b) has a length of nominally 40mm; the receiving optical fiber (3 b) is a plastic optical fiber; the two ends of the receiving optical fiber (3 b) are provided with circular metal heads (3 b-1), the light emitting position of the fiber core (3 b-2) is located at the center of the circular metal heads, the metal heads with the nominal value of 5mm are installed on a receiving optical fiber adjusting seat (3 c), the positions of the metal heads can be adjusted up and down, and the center of the optical fiber is located on the focal plane of the receiving lens (3 a).
8. An arrangement according to claim 7, wherein the receiving fibre adjustment mount (3 c) is fixedly mounted on the circuit board connector (4 d) by means of screws.
9. An arrangement according to claim 8, characterised in that said transmitting circuit board (4 a) is circular, having a nominal diameter of 26mm and a nominal thickness of 1mm.
10. An arrangement according to claim 9, characterised in that said receiving circuit board (4 b) is semicircular with a radius of nominal 13mm; the support pillar (5) is a hexagonal copper pillar with the height nominal value of 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222464873.0U CN218446000U (en) | 2022-09-19 | 2022-09-19 | Device capable of measuring height of total station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222464873.0U CN218446000U (en) | 2022-09-19 | 2022-09-19 | Device capable of measuring height of total station |
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| Publication Number | Publication Date |
|---|---|
| CN218446000U true CN218446000U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222464873.0U Active CN218446000U (en) | 2022-09-19 | 2022-09-19 | Device capable of measuring height of total station |
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| CN (1) | CN218446000U (en) |
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