WO2021187650A1

WO2021187650A1 - Long-range measuring instrument optical sensor focally-aligned by jigs, long-range measuring instrument comprising same, and method for manufacturing same

Info

Publication number: WO2021187650A1
Application number: PCT/KR2020/003897
Authority: WO
Inventors: 김진형; 이응수; 권민제; 김대근; 김재현
Original assignee: 김진형
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-09-23
Also published as: KR20210117763A; KR102362936B1

Abstract

Disclosed is a long-range measuring instrument optical sensor focally-aligned by jigs. A first body (110) consists of: a front case (111); a laser irradiation module (112) for irradiating a laser beam of a visible light band to an object to be measured; a laser control module (113) for controlling the laser irradiation module (112); and a condensing lens (114) for receiving the laser beam reflected from the object to be measured. A second body (120) consists of: a rear case (121) having a space into which the first body (110) is inserted; a photo-detector (122) aligned with the condensing lens (114) so as to detect the laser beam received by the condensing lens (114); and a control substrate (123) for detecting a current generated by the photo-detector (122). A control unit (not shown) communicates with the control substrate (123) so as to monitor a change in a current value in real-time. Jigs consist of a forward and backward adjustment unit (133), a left and right adjustment unit (134), or an upward and downward adjustment unit (135). A coupling position of the first body (110) and the second body (120) is adjusted by means of the jigs, a coupling position at which a maximum current value is received is monitored by the control unit, focuses of the laser irradiation module (112) and the photo-detector (122) are aligned, and then the first body (110) and the second body (120) are coupled so as to form the long-range measuring instrument optical sensor.

Description

Optical sensor for long-distance measurement aligned by a jig, long-distance measurement including the same, and manufacturing method thereof

The present invention can accurately align the focus of the laser light emitting module by separating the laser light emitting module and the photo detector and precisely adjusting the three directions by a jig. It relates to an optical sensor for a distance measurement aligned by a jig, which can minimize

As is well known, a long-distance measuring instrument is widely used at a building construction site or a civil engineering site to measure various dimensions of a building or civil engineering structure.

These long-distance measuring instruments measure the size, length, distance or width of a building or civil engineering structure by calculating the measured value measured at one point and the measured value measured by moving to another point.

On the other hand, due to the nature of the site where risk factors exist, it is often impossible to access the measurement location, and depending on the situation, the operator must take the risk of inevitably moving to the measurement location, which is not easy to measure.

In addition, in order to increase the measurement precision at a long distance irrespective of the irregular shape of buildings or civil engineering structures during on-site measurement work, the focus alignment of the optical sensor constituting the long-distance measuring instrument is a very important factor. It is necessary to precisely align the focus of the light-receiving unit, the condensing lens, and the photodetector, which detects the reflected laser.

Accordingly, there is a need for a technology capable of minimizing a measurement error by more precisely aligning a focus and performing an optical sensor assembly more easily.

The technical problem to be achieved by the spirit of the present invention is that it is possible to precisely align the focus of the laser light emitting module by separating the laser light emitting module and the photo detector and precisely adjusting the three directions by a jig, and UV optical sensor in the focused state. An object of the present invention is to provide an optical sensor for a distance measuring instrument focused by a jig, which can minimize measurement error by assembling by bonding, a remote measuring instrument including the same, and a manufacturing method thereof.

In order to achieve the above object, a first embodiment of the present invention includes a front end case, and a laser light emitting module for irradiating a visible light band laser toward a measurement object by exposing the front end to one side of the front end case, and the laser light emission A first body comprising: a laser control module for controlling the module; and a condensing lens having a front end exposed to the other side of the front end case to receive a laser reflected from a measurement object; A rear-end case having a space in which the first body is introduced at the front end; a second body comprising a control board for amplifying a current for amplification and providing it to the laser control module and detecting the current generated by the photo detector; a control unit communicating with the control board to monitor changes in current values in real time; and a fixing guide fixed to one side of the lower base and fixed by being seated on the upper end of the first body; A front-back adjustment part for adjusting the front-rear coupling position of the second body with respect to the left-right adjustment part for adjusting the left-right coupling position of the second body with respect to the first body by moving the front-back adjustment part in the left and right direction, and the front-back adjustment part a left and right adjustment part for adjusting the left and right coupling position of the second body with respect to the first body by moving in the left and right direction; Including; a jig comprising a vertical adjustment unit for adjusting the vertical coupling position of the second body, the maximum current value is received by the control unit by adjusting the coupling position by the front and rear adjustment unit, the left and right adjustment unit or the vertical adjustment unit After aligning the focus of the laser light emitting module and the photo detector by monitoring the coupling position to be, the first body and the second body are combined to form an optical sensor for a distance measuring instrument, focus-aligned distance measuring instrument by a jig Provides an optical sensor for

Here, the first body and the second body may be combined by UV bonding.

In addition, a seating space indented so that the first body is seated is formed on the upper end of the fixing guide, and a fixing plate for pressing and fixing the upper end of the seated first body is formed on the upper end of the seating space, and the seated first body is formed. 1 A side fixing lever for pressing and fixing the side of the main body is formed, and the base has a seating portion on which the second body is seated, and a hinged connection from one side of the seating portion to press and fix the upper end of the second body A pressing plate, an upper fixing lever for pressing and fixing the upper end of the seated second body, a side fixing lever for pressing and fixing the seated side of the second body, and the other side of the seating part are formed on the pressing plate and the A hook for fixing the hinge coupling of the seating part, and an X-axis base coupled to the lower end of the seating part, wherein the front-rear adjustment part strokes the lower end of the X-axis base in the front-rear direction to move the first rotary lever in the front-rear direction and a guide for guiding the movement of the X-axis base, and a Y-axis base to which the first rotary lever and the guide are coupled, and the left and right adjustment unit strokes the lower end of the Y-axis base in the left and right directions in the left and right directions. It consists of a second rotary lever for moving in the direction, a guide for guiding the movement of the Y-axis base, and an XY-axis base to which the second rotary lever and the guide are coupled, and the vertical adjustment unit is disposed on the lower base. A fixed fixed base, a stage base fixed to the lower end of the XY-axis base, a movable base to which the stage base is fixed, a guide for guiding vertical movement of the movable base, and a rotary sphere rotatably coupled to the guide; , a vertical bar in contact with one side of the rotary sphere in a vertical direction and fixed to the lower end of the stage base, and the other side of the rotary sphere horizontally stroked to rotate the rotary sphere to move the stage base in the vertical direction It may consist of a lever.

In addition, the first rotary lever, the second rotary lever, and the third rotary lever may rotate to make forward and backward strokes in units of 1 μm.

Also, sliders may be formed on both sides of the lower end of the front end case, and slide grooves for guiding the front and rear sliding of the slider may be formed on both lower ends of the rear end case.

A second embodiment of the present invention provides a remote measuring instrument, comprising an optical sensor for a tele measuring instrument focused by the jig according to at least one of claims 1 to 5.

A third embodiment of the present invention provides a front end case, a laser light emitting module for irradiating a laser of a visible ray band toward a measurement object by exposing the front end to one side of the front end case, and a laser control module for controlling the laser light emitting module And, the front end is exposed to the other side of the front end of the case, comprising a condensing lens for receiving the laser reflected from the measurement object, preparing a first body; A rear-end case having a space in which the first body is introduced at the front end; preparing a second body comprising a control board for amplifying a current for amplification and providing it to the laser control module and detecting the current generated by the photo detector; connecting a control unit that communicates with the control board and monitors a change in current value in real time; A fixing guide fixed to one side of the lower base and fixed by being seated on the upper end of the first body; a front-back adjustment unit for adjusting the front-rear coupling position of the second body, a left-right adjustment unit for adjusting the left-right coupling position of the second body with respect to the first body by moving the front-back adjustment unit in the left-right direction, and the front-back adjustment unit a left and right adjustment part for adjusting the left and right coupling position of the second body with respect to the first body by moving it in the left and right direction fixing the optical sensor to which the first body and the second body are coupled to the fixing guide and the base, on a jig, comprising a vertical adjustment unit for adjusting the vertical coupling position of the second body; aligning the focus of the laser light emitting module and the photo detector by adjusting the coupling position by the front and rear adjustment unit, the left and right adjustment unit or the vertical adjustment unit to monitor the coupling position at which the maximum current value is received by the control unit; and forming an optical sensor for a distance measuring device by UV bonding the first body and the second body to form an optical sensor for a distance measuring device.

According to the present invention, it is possible to precisely align the focus of the laser light emitting module by separating the laser light emitting module and the photo detector and precisely adjusting the three directions by using a jig. It is possible to minimize the error and has the effect of simplifying the assembly of the remote measuring instrument.

According to the present invention, a user can accurately measure the size of an object to be measured even from a distance.

According to the present invention, the user can easily measure the distance and size even at a construction site in a bad environment.

The effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art from the description below. .

1 is a perspective view of an optical sensor for a distance measuring instrument focused by a jig according to a first embodiment of the present invention.

FIG. 2 is an exploded view of the optical sensor of FIG. 1 .

FIG. 3 shows a jig for focusing the optical sensor of FIG. 1 .

4 is an exploded perspective view of the jig of FIG. 3, respectively.

5 is a view illustrating a focus alignment process of the optical sensor by the jig of FIG. 3 .

Figure 6 shows a distance measuring instrument including an optical sensor for a distance measuring instrument focused by a jig according to a second embodiment of the present invention.

7 is an example of measuring the length of the measurement object by the distance measuring instrument of FIG.

FIG. 8 illustrates an actual product photograph of the optical sensor of FIG. 1 .

9 schematically shows a flowchart of a method for manufacturing an optical sensor for a distance measuring instrument focused by a jig according to a third embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, it includes not only a case in which it is "directly connected" but also a case in which it is "indirectly connected". In addition, when a part "includes" a certain component, this means that other components may be further included, rather than excluding other components, unless otherwise stated.

In assigning reference numbers to the components of the drawings, the same reference numbers are given to the same components even if they are on different drawings, and it is revealed in advance that the components of other drawings can be cited when necessary in the description of the drawings. put

Hereinafter, embodiments of the present invention having the above-described characteristics will be described in more detail with reference to the accompanying drawings.

The optical sensor for a distance measuring instrument focused by a jig according to the first embodiment of the present invention, as a whole, includes a front end case 111 and a laser light emitting module 112 for irradiating a laser in the visible ray band toward the measurement object and , The first body 110, the first body 110 comprising a laser control module 113 for controlling the laser light emitting module 112, and a condensing lens 114 for receiving the laser reflected from the measurement object The rear end case 121 having an incoming space formed therein, the photodetector 122 aligned with the condensing lens 114 to detect the laser light received from the condensing lens 114, and the current generated by the photodetector 122 The second body 120, which is composed of a control board 123 to detect, a control unit (not shown) that communicates with the control board 123 to monitor a change in current value in real time, and a front-rear adjustment unit 133, a left-right adjustment unit 134 ) or by adjusting the coupling position of the first body 110 and the second body 120 by a jig composed of the upper and lower adjustment unit 135, and monitoring the coupling position at which the maximum current value is received by the control unit, and the laser light emitting module ( After aligning the focus of the 112) and the photo detector 122, the main body 110 and the second body 120 are combined to form an optical sensor for a distance measuring instrument.

With reference to FIGS. 1 to 5 , the configuration of the optical sensor for a distance measuring instrument aligned in focus by the aforementioned jig will be described in detail as follows.

First, the first body 110 receives a laser beam reflected from the measurement object after irradiating the laser toward the measurement object. Specifically, as shown in FIGS. 1 and 2, the front end case 111 forming an outer shape. And, the front end is exposed on one side of the front side of the front case 111, a laser light emitting module 112 that irradiates a laser in the visible ray band toward the measurement object, and is formed at the rear end of the laser light emitting module 112, the laser light emitting module A laser control module 113 for controlling the 112, and a condensing lens 114 that is spaced apart from the laser light emitting module 112 so that the front end is exposed on the other front side of the front case 111 to receive the laser reflected from the measurement object. is composed of

Here, the laser light emitting module 112 may irradiate a laser having a wavelength of 650 nm.

Next, the second body 120 detects the laser reflected from the measurement object through the condensing lens 114 and converts it into a current to detect it. Specifically, as shown in FIGS. 1 and 2, it forms an outer shape and A rear-end case 121 having a space in which the first body 110 is introduced and coupled to the front end is aligned with the condensing lens 114 to convert the laser light received from the condensing lens 114 into a current by the photoelectric effect. The detector 122 and the control board 123 for amplifying the current for laser emission of the laser light emitting module 112 and providing it to the laser control module 113 and detecting the current generated by the photo detector 122 . is composed

On the other hand, as shown in FIGS. 1 and 2 , sliders 114 are respectively formed on both sides of the lower end of the front end case 111 , and on both lower sides of the rear end case 121 to guide the front and rear sliding of the slider 115 . Since the slide grooves 124 are formed, it is possible to stably guide the front and rear coupling positions of the second body 120 with respect to the first body 110 .

Next, although not shown, the control unit performs wired/wireless communication with the control board 123 of the second body 120 to monitor a change in a current value according to a change in the position of the photo detector 122 in real time.

Accordingly, if the maximum value of the current converted by the photo detector 122 is monitored through the control unit, the focus of the condensing lens 114 and the photo detector 122 is precisely aligned, so the condensing lens 114 and The optical sensor is formed by assembling the first body 110 and the second body 120 in the focus alignment state of the photo detector 122 .

On the other hand, through a jig 130 to be described later, after aligning the focus of the laser light emitting module 112 and the photo detector 122 accurately, the first body 110 and the second body 120 are coupled to each other for a long-distance measuring instrument. form an optical sensor.

For example, the jig 130, as shown in FIG. 3, is fixed on the lower base 131a, the first body 110 is seated on the upper end and fixed guide 131, and the second body ( 120) is seated on the upper end of the fixed base 132, and by moving the base 132 in the front and rear direction to adjust the front and rear coupling position of the second body 120 with respect to the first body 110, the front and rear adjustment section 133 ), a left and right adjustment part 134 for adjusting the left and right coupling position of the second body 120 with respect to the first body 110 by moving the front and rear adjustment part 133 in the left and right direction, and the front and rear adjustment part 133 in the left and right direction The left and right adjustment part 134 for adjusting the left and right coupling position of the second body 120 with respect to the first body 110 by moving to, and the left and right adjustment part 134 fixed to the other side on the lower base 131a in the vertical direction It is composed of a vertical adjustment unit 135 for adjusting the vertical coupling position of the second body 120 with respect to the first body 110 by moving.

That is, by adjusting the coupling position by the front/rear adjustment unit 133, the left/right adjustment unit 134, or the vertical adjustment unit 135, the control unit monitors the coupling position at which the maximum current value is received, and the laser light emitting module 112 and the photo detector ( After aligning the focal points of 122), the first body 110 and the second body 120 are combined to form an optical sensor for a distance measuring instrument.

Here, the first body 110 and the second body 120 may be combined by UV bonding to form an optical sensor for a long-distance measuring instrument.

Specifically, with reference to FIGS. 3 and 4 , the configuration of the jig 130 will be described in detail as follows.

The fixing guide 131 is vertically fixed to one side of the lower base 131a, and at the upper end of the fixing guide 131, a seating space (A) indented so that the first body 110 is seated is formed, and the seating space (A) A fixing plate 131b for pressing and fixing the upper end of the seated first body 110 is formed on the upper end, and a side fixing lever 131c for pressing and fixing the seated side of the first main body 110 is provided. is formed

The base 132 is hinged from one side of the seating part 132a on which the second body 120 is seated, and the seating part 132a, to press the upper end of the second body 120 to fix the pressing plate 132b. And, a top fixing lever 132c for pressing and fixing the upper end of the seated second body 120, and a side fixing lever 132d for pressing and fixing the side of the seated second body 120 by pressing, and the seating part It is formed on the other side of (132a), and a hook (132e) for fixing the hinge coupling of the pressing plate (132b) and the seating part (132a), and an X-axis base (132f) coupled to the lower end of the seating part (132a). The second body 120 is fixed.

The front-rear adjustment part 133 guides the movement of the first rotary lever 133a and the X-axis base 132f, which stroke the lower end of the X-axis base 132f in the front-rear direction to move it in the front-rear direction (X-axis direction). is composed of a pair of guides 133b, and a Y-axis base 133c to which the first rotary lever 133a and the guide 133b are coupled, and the second rotary lever 133a makes a forward and backward stroke by the rotation of the second rotary lever 133a. Adjust the front-rear coupling position of the body 120 with respect to the first body 110 .

The left and right adjustment unit 134 includes a second rotary lever 134a that strokes the lower end of the Y-axis base 133c in the left-right direction to move it in the left-right direction, and a guide 134b that guides the movement of the Y-axis base 133c. and an XY-axis base 134c to which the second rotary lever 134a and the guide 134b are coupled, and the second body 120 is left and right stroked by the rotation of the second rotary lever 134a. Adjust the left and right coupling positions with respect to the main body (110).

The upper and lower adjustment unit 135 includes a fixed base 135a fixed on the lower base 131a, a stage base 135b fixed to the lower end of the XY-axis base 134c, and a movable base to which the stage base 135b is fixed. (135c), a guide (135d) for guiding the vertical movement of the movable base (135c), a rotary sphere (135e) rotatably coupled to the guide (135d), and one side of the rotary sphere (135e) in a vertical direction A vertical rod 135f fixed to the lower end of the stage base 135b and the other side of the rotating sphere 135e are stroked in the horizontal direction to rotate the rotating sphere 135e to move the stage base 135b in the vertical direction. It is composed of a third rotary lever (135g).

That is, when pressure is applied to one side of the rotary sphere 135e by the forward and backward strokes caused by the rotation of the third rotary lever 135g, the rotary sphere 135e rotates about the rotation shaft coupled to the guide 135d, and the guide 135d ) by raising or lowering the vertical rod (135f) in contact with the other side in the vertical direction to adjust the vertical coupling position of the second body 120 with respect to the first body 110 .

Meanwhile, each of the adjusting

units

133 , 134 , and 135 may adjust the position of each of the adjusting

units

133 , 134 , and 135 by hand, or may adjust the position by using an actuator, a motor, or the like. However, the above mechanism is only an example, and if necessary, it is possible to adjust the positions of the adjusting

units

133 , 134 , and 135 by using a device or a configuration other than the illustrated mechanism.

On the other hand, as shown in (b) of Figure 3, it is also possible to fix the vertical position of the movable base (135c) with respect to the guide (135d) by the fixture (135h).

Accordingly, as shown in FIG. 5, the first rotary lever 133a, the second rotary lever 134a, and the third rotary lever 135g rotate to precisely rotate in the X-axis direction and the Y-axis direction in units of 1 μm. By moving forward and backward strokes in the Z-axis direction, respectively, the front and rear, left and right, and upper and lower coupling positions of the second body 120 with respect to the first body 110 are adjusted, and the coupling corresponding to the maximum value of the current by the photo detector 122 . location can be specified.

Meanwhile, FIG. 8 is an example of an actual product photo of the optical sensor of FIG. 1 , and referring to FIG. 8 , the laser light emitting module 112 and the laser control module 113 are installed in the assembly space of the first body 110 , respectively. is inserted and coupled, the laser control module 113 is connected to the control board 123 by a connection cable (C), and the photo detector 122 is inserted into and coupled to the assembly space of the second body 120, and the photo The PCB board on which the detector 122 is mounted may be configured to be connected to the control board 123 by a connection cable (C).

Referring to FIG. 6 , the distance measuring device 200 according to the second embodiment of the present invention includes an optical sensor for a distance measuring device focused by the jig 130 described above, and two range measuring laser optics combined The sensor enables accurate and stable measurement of the distance, size and width of the measurement object from a distance, regardless of the angle and distance from the measurement object.

Here, one of the two distance measuring laser optical sensors is coupled to the fixed radar 210 , and the other is coupled to the fixed radar 210 and the variable radar 220 rotatable at a certain angle, from the fixed radar 210 . By calculating the distance and rotation angle of the measurement object from the variable radar 220 and the distance to the measurement object of Measurement can be easily performed regardless of the measurement angle and distance from the measurement object.

For example, as illustrated in FIG. 7 , even if it moves from the measurement position of A to the measurement position of B, the rotation angle of the variable radar 220 is easily changed by the angle adjustment unit 230, so that it is not limited to a specific measurement location It is possible to accurately measure the measurement object anywhere without

9 schematically shows a flowchart of a method for manufacturing an optical sensor for a distance measuring instrument focused by a jig according to a third embodiment of the present invention The optical sensor manufacturing method for a measuring instrument, as a whole, includes a first body preparation step (S110), a second body preparation step (S120), a control unit connection step (S130), an optical sensor jig fixing step (S140), and a first It consists of a focus alignment step (S150) of the main body and the second body, and a UV bonding step (160) of the first body and the second body.

Prior, in the first body preparation step (S110), the front end case 111 and the front end part is exposed to one side of the front end case 111, the laser light emitting module 112 for irradiating a laser in the visible ray band toward the measurement object. ), a laser control module 113 for controlling the laser light emitting module 112, and a condensing lens 114 for receiving the laser reflected from the measurement object by exposing the front end to the other side of the front end case 111. To be, prepare the first body (110).

Subsequently, in the second body preparation step (S120), the rear end case 121 having a space in which the first body 110 is introduced is formed at the front end, and the condensing lens 114 is aligned with the light received from the condensing lens 114. The photodetector 122 that converts the laser into a current by the photoelectric effect, and the amplified current for laser emission of the laser light emitting module 112 are provided to the laser control module 113, and are generated by the photodetector 122 A second body 120 is prepared, which is composed of and assembled with a control board 123 for detecting the current.

Subsequently, in the control unit connection step ( S130 ), a control unit that communicates with the control board 123 and monitors a change in current value in real time is connected.

Subsequently, in the optical sensor jig fixing step (S140), the fixing guide 131 is fixed to one side on the lower base 131a, the first body 110 is seated on the upper end and fixed, and the second body 120. A base 132 seated and fixed on the upper end, and a front-back adjustment unit 133 for adjusting the front-rear coupling position of the second body 120 with respect to the first body 110 by moving the base 132 in the front-rear direction; , The left and right adjustment part 134 for adjusting the left and right coupling position of the second body 120 with respect to the first body 110 by moving the front and rear adjustment part 133 in the left and right direction, and the front and rear adjustment part 133 is moved in the left and right direction The left and right adjustment part 134 for adjusting the left and right coupling position of the second body 120 with respect to the first body 110 and the left and right adjustment part 134 fixed to the other side on the lower base 131a are moved in the vertical direction The first body 110 and the second body 120 are on the jig 130, which is composed of a vertical adjustment part 135 for adjusting the vertical coupling position of the second body 120 with respect to the first body 110. The combined optical sensor is fixed to the fixing guide 131 and the base 132, respectively.

Subsequently, in the focus alignment step (S150) of the first body and the second body, the maximum current value is adjusted by the control unit by adjusting the coupling position by the front/rear adjustment unit 133, the left/right adjustment unit 134 or the vertical adjustment unit 135. By monitoring the received coupling position, the focus of the laser light emitting module 112 and the photo detector 122 is aligned.

Finally, in the UV bonding step 160 of the first body and the second body, the first body 110 and the second body 120 are UV-bonded and combined to form an optical sensor for a long-distance instrument, and the combined optical Assemble the sensor to the telemeter.

Therefore, by the configuration of the present invention as described above, it is possible to precisely align the focus of the laser light emitting module by separating the laser light emitting module and the photo detector and precisely adjusting the three directions by a jig, and the optical sensor in the focused state The measurement error can be minimized by assembling by UV bonding, and the assembly of the remote measuring instrument can be made simpler.

The embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all the technical spirit of the present invention, so various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

The above description of the present invention is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. do.

Claims

A first body comprising a condensing lens for receiving the laser reflected from the measurement object;

a second body comprising a photodetector that converts the laser received from the condensing lens into a current by a photoelectric effect, and a control board that detects the current generated by the photodetector;

An optical sensor for a distance measuring instrument focused by a jig including a jig for adjusting the relative positions of the first body and the second body.
According to claim 1,

The jig is

a fixing guide fixed to one side of the lower base and fixed by being seated on the upper end of the first body;

a base on which the second body is seated and fixed on the upper end;

a left and right adjustment part for adjusting a left and right coupling position of the second body with respect to the first body by moving the front and rear adjustment part in the left and right directions; and

An optical sensor for a distance measuring instrument fixed in focus by a jig fixed to the other side on the lower base and comprising a vertical adjustment unit for adjusting the vertical coupling position of the second body with respect to the first body by moving the left and right adjustment units in the vertical direction .
3. The method of claim 2,

The first body,

Focus alignment by a jig, comprising a front end case, a laser light emitting module for irradiating a laser of a visible ray band toward a measurement object by exposing the front end to one side of the front end case, and a laser control module for controlling the laser light emitting module Optical sensor for long-distance measuring instruments.
4. The method of claim 3,

The control board is

An optical sensor for a distance measuring instrument focused by a jig that amplifies the current for laser emission of the laser light emitting module and provides it to the laser control module, and detects the current generated by the photo detector.
5. The method of claim 4,

The optical sensor is

A control unit communicating with the control board to monitor a change in current value in real time, wherein the control unit comprises:

After aligning the focus of the laser light emitting module and the photo detector by monitoring the coupling position at which the maximum current value is received by the control unit by adjusting the coupling position by the front/rear adjustment unit, the left/right adjustment unit or the vertical adjustment unit, the second An optical sensor for a distance measuring instrument focused by a jig, which forms an optical sensor for a distance measuring device by combining the first body and the second body.
6. The method of claim 5,

An optical sensor for a distance measuring instrument focused by a jig, characterized in that the first body and the second body are coupled by UV bonding.
3. The method of claim 2,

The base is

The base includes a seating part on which the second body is seated, a pressing plate that is hinged from one side of the seating part to press and fix the upper end of the second body, and presses and fixes the upper end of the seated second body A top fixing lever, a side fixing lever for pressing and fixing the seated side of the second body, and a hook formed on the other side of the seating part to fix the hinge coupling of the pressing plate and the seating part, and coupled to the lower end of the seating part It is composed of an X-axis base,

The front-rear adjustment unit includes a first rotary lever that strokes the lower end of the X-axis base in the front-rear direction to move in the front-rear direction, a guide for guiding the movement of the X-axis base, and the first rotary lever and the guide are coupled Optical sensor for long-distance measuring instruments with focus aligned by a jig, composed of a Y-axis base.
8. The method of claim 7,

The left and right adjustment unit includes a second rotary lever for moving the lower end of the Y-axis base in a left and right direction by stroke in the left and right direction, a guide for guiding the movement of the Y-axis base, and the second rotary lever and the guide are combined. It consists of an XY-axis base,

The vertical adjustment unit includes a fixed base fixed on the lower base, a stage base fixed to the lower end of the XY-axis base, a movable base to which the stage base is fixed, and a guide for guiding vertical movement of the movable base; A rotary sphere rotatably coupled to the guide, a vertical rod in contact with one side of the rotary sphere in a vertical direction and fixed to a lower end of the stage base, and the other side of the rotary sphere by horizontal strokes to rotate the rotary sphere to the stage An optical sensor for a long-distance measuring instrument that is focused by a jig, characterized in that it consists of a third rotary lever for moving the base in the vertical direction.
A telemetry instrument comprising an optical sensor for a telemetry instrument focused by the jig according to at least one of claims 1 to 5.
A front end case, a laser light emitting module for irradiating a laser of a visible ray band toward a measurement object by exposing the front end to one side of the front end case, a laser control module for controlling the laser light emitting module, and a front end portion to the other side of the front end case Preparing a first body, which consists of a condensing lens that is exposed to and receives the laser reflected from the measurement object;

A rear-end case having a space in which the first body is introduced at the front end; preparing a second body comprising a control board for amplifying a current for amplification and providing it to the laser control module and detecting the current generated by the photo detector;

connecting a control unit that communicates with the control board and monitors a change in current value in real time;

A fixing guide fixed to one side of the lower base and fixed by being seated on the upper end of the first body; a front-back adjustment unit for adjusting the front-rear coupling position of the second body, a left-right adjustment unit for adjusting the left-right coupling position of the second body with respect to the first body by moving the front-back adjustment unit in the left-right direction, and the front-back adjustment unit a left and right adjustment part for adjusting the left and right coupling position of the second body with respect to the first body by moving it in the left and right direction fixing the optical sensor to which the first body and the second body are coupled to the fixing guide and the base, on a jig, comprising a vertical adjustment unit for adjusting the vertical coupling position of the second body;

aligning the focus of the laser light emitting module and the photo detector by adjusting the coupling position by the front and rear adjustment unit, the left and right adjustment unit or the vertical adjustment unit to monitor the coupling position at which the maximum current value is received by the control unit; and

Forming an optical sensor for a distance measuring instrument by UV bonding the first body and the second body by UV bonding; comprising, a method of manufacturing an optical sensor for a distance measuring device focused by a jig.