JPH1130521A - Surveying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a surveying machine that can perform a centripetal operation without viewing through a centripetal telescope, can position the mechanical center of a surveying machine at a reference point easily, and contributes to the improvement of working efficiency. SOLUTION: The surveying machine has a centripetal telescope 15 that is provided at the body of the surveying machine, a CCD camera 40 that is placed on the eye piece 14e side of a centripetal telescope 14 and picks up the image of the surrounding of the reference point through the centripetal telescope 14, and a display for displaying the image being picked up by the CCD camera 40. The display can show an index for matching to a light axis L of the CCD camera 40 corresponding to the mechanical center of the surveying machine and matches the center of the index being displayed on the display to the reference point for centripetal operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveying instrument that can easily arrange a surveying instrument at a survey reference position (reference point).

[0002]

2. Description of the Related Art When a survey is performed by a surveying instrument, it is necessary to position the center of the surveying instrument, that is, the machine center, on a vertical line of a ground reference point. For this reason, conventionally, a vertical ball is suspended and positioned from a position directly below the center of the machine,
A reference point is collimated and positioned by a centripetal telescope built into the body of the surveying instrument.

[0003] However, when a vertical ball is used, it is easy to use, but there is a problem that it is easily affected by the wind, and it takes time for centripetal movement because the vertical ball performs a pendulum motion.

[0004] Alternatively, as shown in FIG.
A surveying instrument 100 with zero is known. Surveying instrument 100
Is provided with a rotating shaft 130 at the center, and the rotating shaft 13
Above 0, a prism 140 is arranged. A reticle 150 is disposed inside the cylinder of the centripetal telescope 110, and an eyepiece 160 is provided at the rear end of the cylinder.

[0005] Positioning by the surveying instrument 100 is as follows. First, after setting a reference point P on the ground, leveling the machine, looking at the centripetal telescope 110 while maintaining the leveling state, and centrifuging just above the reference point P The surveying instrument 100 is mounted on the tripod 12 so that the reference point P is aligned with the reticle 150 with the collimation line 130a.
The position is adjusted by sliding with respect to 0.

[0006]

However, in the above configuration,
Since the surveying instrument 100 is slid with respect to the tripod 120 while looking into the centripetal telescope 110 to focus while looking at the centripetal telescope 110, the surveying instrument 100 is arranged at the survey reference position (reference point). However, there is a problem in that the centering work must be performed while the worker is in a middle position, and the worker becomes tired and takes a long working time.

To solve the above-mentioned problem, a visible laser is installed in the body of a surveying instrument supported on a tripod so as to be rotatable about the vertical axis, and the laser beam emitted by the visible laser is positioned at the axis of the vertical axis. (Japanese Utility Model Application No. Hei 2-118213) discloses that a parallel beam bundle having a small diameter is irradiated downward through a centering opening formed on the vertical axis.

[0008] However, surveying is often performed in the field. Therefore, when performing centripetal matching with a laser beam radiated as a point to a reference point, it is difficult to read the laser beam depending on the place where the surveying is performed and the weather. There was an inconvenience of being.

On the other hand, in Japanese Utility Model Publication No. 7-43610 and Japanese Patent Publication No. 3-24971, a telescope of a surveying instrument is provided with a television camera and an image sensor, and the observation state is visually recognized on a display device. There is disclosed a technique configured so that an operator can collimate in an easy posture without directly looking at the telescope. However, these techniques are techniques after the completion of the centripetal operation, and the centripetal operation involving movement of the surveying instrument itself has been performed by a conventional method.

That is, after setting a reference point on the ground, leveling the machine, looking into the centripetal telescope while maintaining the leveling state, arranging a surveying instrument just above the reference point, The method is performed by adjusting the position by sliding the surveying instrument so that the reference point coincides with the reticle, and it is impossible to eliminate the above-mentioned problem of the inconvenience in performing the centering work by the worker. .

SUMMARY OF THE INVENTION It is an object of the present invention to perform a centripetal operation without looking through a centripetal telescope, to easily position the machine center of the surveying instrument at a reference point, and to contribute to an improvement in workability. Is to provide.

[0012]

A surveying instrument according to the present invention comprises:
A centripetal telescope provided on the body of the surveying instrument, a CCD camera mounted on the eyepiece side of the centripetal telescope, and capturing an image around a reference point through the centripetal telescope;
A display for displaying the image taken by the camera,
The display is capable of displaying an index for matching the optical axis of the CCD camera corresponding to the machine center of the surveying instrument, and the center of the index and the reference point displayed on the display are displayed. It is characterized in that it is possible to match the center of gravity.

It is preferable that the display is a survey data display for displaying survey data provided in the survey instrument.

[0014]

In the surveying instrument of the present invention, a CCD camera is mounted on the eyepiece side of a centripetal telescope, and an image around a reference point is taken through the centripetal telescope, and the image taken by the CCD camera is displayed on a display. In addition, an index corresponding to the machine center of the surveying instrument and corresponding to the optical axis of the CCD camera can be displayed on the display.

The image around the reference point is picked up by the CCD camera mounted on the eyepiece side of the surveying instrument through the centripetal telescope, and the image around the reference point appears on the display. It is possible to display an index corresponding to the optical axis of the CCD camera corresponding to the center of the machine, so the index on the display and the CCD
While looking at the image around the reference point from the camera on the display, the surveying instrument body is slid so that the center of the index coincides with the reference point, and the centering is performed.

According to the present invention, it is possible to perform a centripetal operation by moving the surveying instrument while looking at the display, thereby simplifying the centripetal operation and allowing the operator to perform the centripetal operation while looking at the centripetal telescope while keeping the middle position. Therefore, the work can be performed in a comfortable posture without performing, and the workability can be improved.

Further, since a display for displaying survey data can be used as the display, the present invention can be implemented using a conventional survey instrument.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A surveying instrument according to the present invention is provided with a centripetal telescope 14 provided on a main body 10 of a surveying instrument S, and mounted on an eyepiece 14e side of the centripetal telescope 14, to thereby form a centripetal telescope 14.
A CCD camera 40 that captures an image around the reference point P through a display, and a display 21 that displays the image captured by the CCD camera 40. The display 21 corresponds to the mechanical center of the surveying instrument S, and The index 23 for matching with the optical axis L can be displayed, and the center of the index 23 displayed on the display 21 and the reference point P are matched to enable centripetal movement.

The surveying instrument S of the present invention has an eyepiece knob 1 provided on the eyepiece 14e on the eyepiece 14e side.
4f, a CCD camera 40 is mounted.
The camera 40 captures an image around the reference point P through the centripetal telescope 14. Reference point P imaged by CCD camera 40
The peripheral image appears on the display 21.

An index 23 corresponding to the machine center of the surveying instrument S and corresponding to the optical axis L of the CCD camera can be displayed on the display 21. Before the centering, the input setting of the index 23 is performed. Is being done. Then, a switch of the CCD camera is turned on, and when an image around the index 23 and the reference point P is displayed on the display 21, the main body 10 of the surveying instrument S is slid so that the center of the index 23 and the reference point P match. Perform a centripetal process.

According to the present invention, it is possible to move the surveying instrument while looking at the display to perform a centripetal operation, so that the centripetal operation can be simplified, and the operator can perform the centripetal operation while looking at the centripetal telescope while standing midway. Therefore, work can be performed in a comfortable posture, and workability can be improved.

Since the display 21 for displaying survey data can be used as the display 21, the present invention can be implemented using a conventional surveying instrument.

[0023]

An embodiment of the present invention will be described below with reference to the drawings. The members, arrangements, and the like described below do not limit the present invention, and can be variously modified within the scope of the present invention.

1 to 5 show an embodiment of a surveying instrument according to the present invention. FIG. 1 is a schematic perspective view of the surveying instrument, FIG. 2 is an enlarged view of a main part in FIG. 1, and FIG. Telescope and C
FIG. 4 is a block diagram related to a surveying instrument, and FIG. 5 is a flowchart showing an example of the operation of the surveying instrument.

The surveying instrument S of this embodiment is, for example, a total station for performing distance measurement and angle measurement, and includes a collimating telescope 13 disposed on a main casing 11 of the surveying instrument S and a display unit disposed in front of the surveying instrument. 20; a centripetal telescope 14 disposed on the side of the surveying instrument; and a CCD camera 40 disposed on the centripetal telescope 14.

The surveying instrument S of this embodiment is disposed on a leveling table 30 for leveling. The leveling table 30 supports the surveying instrument S so as to be rotatable around a vertical axis. S. With the leveling table 30 mounted on a tripod (not shown), a distance measuring and angle measuring operation is performed.

The main casing 11 of the surveying instrument S is provided with two columns 12, 12, and a horizontal axis is provided between the columns 12, 12, and the horizontal axis is turned vertically. A collimating telescope 13 is movably provided.

A display unit 20 for displaying distance measurement angle measurement data and the like is provided below the main body casing 11. The display unit 20 includes the display 2
1 and an operation key group 22. Display 21
Displays distance measurement angle data when performing distance measurement and angle measurement, and displays an image around an index and a reference point, which will be described later, during centripetal work. An operation key group 22 adjacent to the display 21 is for inputting necessary setting conditions and the like.

The display unit 20 has an input terminal connected to a connector provided at the tip of an output cord of a CCD camera described later. The input terminal has a dust-proof and waterproof cover, and when the connector is not connected to the connector of the CCD camera, the cover prevents dust and water from entering the input terminal.

FIG. 2 is an enlarged view of a main part in FIG. 1, and is an explanatory view showing the state of the display 21 during a centripetal operation in more detail. In the present invention, the display 21 corresponds to the mechanical center of the surveying instrument S and corresponds to the CCD camera 40.
The index 23 for matching with the optical axis of can be displayed. The index 23 is input and set in advance, and is displayed together with an image around the reference point when the CCD camera is turned on.

The index 23 in the present example includes a circle 23a and an XY
And a cross line 23b composed of coordinates. The index 23 is not limited to the above shape and may be another shape.

In FIG. 2, the reference point is indicated by P. In the surveying instrument S of the present invention, the centering of the surveying instrument S is performed by matching the reference point P with the center of the index 23. When the center of the index 23 does not match the reference point P, the index 23
23 c indicating the distance between the reference point P and the index 23
The moving direction and the like for making the. Therefore, by using these numerical values as a guide, the centripetal work can be advanced more efficiently.

On the side of the surveying instrument S, a centripetal telescope 14 is provided. FIG. 3 shows a configuration of the centripetal telescope 14 of the present example.

The part of the centripetal telescope 14 that is exposed from the main casing 11 of the surveying instrument S includes a focusing lens 14b held by a holder 14g and an optical axis L
A focusing knob 14d for focusing along by moving the lens, a reticle 14c having a crosshair (crosshair), and an eyepiece so that the crosshair (crosshair) on the reticle 14c is clear in the field of view. And an eyepiece 15f for moving the lens 14e along the optical axis L.

The centripetal telescope 14 has a reflecting prism (not shown) disposed at the front end of the cylindrical body 14a, and the reflecting prism deflects vertical light passing through the reference point P horizontally. An adjustment mechanism is provided in the reticle frame 14h so that the horizontally deflected light passes through the intersection of crosshairs (crosshairs) provided on the reticle 14c.

A CCD camera 40 is mounted on the centripetal telescope 14. Next, the configuration of the CCD camera 40 will be described. The CCD camera 40 of the present example includes an output code 43 for outputting to the display unit 20. The output code 43 is provided with a connector, and is detachably formed at an input terminal of the display unit 20 of the surveying instrument S. I have. The CCD camera 40 has a cylindrical extension 41 on the front end side.

On the inner peripheral surface of the cylindrical extension 41, a plurality of bulges 42 are formed in the circumferential direction. The inner diameter of the cylindrical extension 41 of the CCD camera 40 is the same as the eyepiece knob 14f.
The CCD camera 40 and the centripetal telescope 14 are engaged with each other by bayonet engagement between the cylindrical extension 41 and the eyepiece knob 14f.

The engagement between the CCD camera 40 and the centripetal telescope 14 will be described with reference to FIG. A plurality of bulging portions 42 are provided on the inner peripheral surface of the cylindrical extending portion 41 of the CCD camera 40, and a plurality of projecting portions 14i are formed on the outer peripheral surface of the eyepiece knob 14f. .

Then, the bulging portion 42 and the engaging portion 14i are engaged with each other so that the cylindrical extending portion 41 is put on the eyepiece knob 14f so as not to hit each other.

When the eyepiece knob 14f and the cylindrical extension 41 are engaged, the cylindrical extension 41 is turned in the circumferential direction, and the bulge 42 of the cylindrical extension 41 and the eyepiece knob 14f are turned. The engaging portion 14i is overlapped. In this manner, the cylindrical extension 41 and the eyepiece knob 14f are connected to the bulge 42
And the centering telescope 14 and the CCD camera are connected.

At this time, the optical axis of the CCD camera 40 and the optical axis of the centripetal telescope are configured to coincide as the optical axis L.

Next, the machine center of the surveying instrument S of this embodiment is set at the reference point P
And a method of arranging them at the survey reference position (reference point) will be described.

First, the surveying instrument S is set for centripetal processing. First, the surveying instrument S is located above the reference point P.
Approximate alignment is made. Then, the CCD camera 4 is attached and fixed to the eyepiece knob 14 f of the centripetal telescope 14, and the output code 43 of the CCD camera 40 is inserted into the connector of the display unit 20.

Then, the input of the index 23 is set. Then C
When the power of the CD camera 40 is turned on, the display 21 of the display unit 20 displays the index 23 and the CCD.
The mode for displaying the image from the camera 40 is set. When the image from the CCD camera 40 is displayed on the display 21, the eyepiece knob 14f and the focusing knob 15
Turn d to sharpen the image on the display 21.

FIG. 4 is a block diagram of the surveying instrument S of this embodiment. The main body 10 of the surveying instrument S includes a distance measuring and angle measuring unit A that performs distance measuring and angle measuring, an arithmetic processing unit (CPU) B that performs arithmetic processing on data from the distance measuring and angle measuring unit A, and an arithmetic processing unit (CPU) ) B
And a display 21 as a display screen for displaying the data processed in step (1). Also, when performing a centripetal operation, an image in a state of looking through the centripetal telescope 14 is displayed on the display 21 via the CCD camera 40.

FIG. 5 is a flowchart showing an example of the operation of the surveying instrument of the present invention. The operation of the surveying instrument will be described based on this flowchart. In this example, it is assumed that the power of the surveying instrument S is turned on in advance, or that the power is turned on but in a standby mode (a state in which nothing is displayed on the display). .

Then, in step S1, the power (switch) of the CCD camera is turned on (ON). When the power is turned on, if the power of the surveying instrument S is turned on, and if any display is displayed on the display 21, the index 2
3 and the image from the CCD camera 40 are changed and displayed.
When the power is turned on in the standby mode, the indicator 2
3 and the image from the CCD camera 40 are displayed (step S2).

When the index 23 and the image are displayed, it is determined in step S3 whether or not the reference point P exists in the image from the CCD camera 40. If there is no reference point P in the image from the CCD camera 40 (S3: No), error processing is performed in step S4, and the processing in step S3 is repeated until the reference point is located in the image from the CCD camera 40.

In the error processing, for example, various sounds can be used to notify that the reference point P is not present in the image from the CCD camera 40. As notification means,
In addition to sound, there are methods of blinking a lamp and displaying a message on a display.

The reference point P in the image from the CCD camera 40
If there is (S3: Yes), the index 23 is set in step S5.
It is determined whether there is a reference point P within the range of. Indicator 2
If there is no reference point P in the range of No. 3 (S5: No), the process of step S4 is repeated until the reference point P is located in the range of the index 23. If the reference point P is within the range of the index 23 (S5: Yes), it is determined whether or not the reference point P coincides with the center of the index 23 in step S6.

When the reference point P does not coincide with the center of the index 23 (S6: No), in step S7, the distance from the center of the index 23 to the reference point P and the index of the index 23 are displayed on the display 21. The moving direction and the like for the center to coincide with the reference point P are displayed, and the process of step S6 is repeated until the center coincides.

When the reference point matches the index (S6:
Yes), a match is reported in step S8. In the notification of the coincidence, it is possible to adopt a configuration in which the coincidence is reported by various voices. In addition to the voice, a lamp different from the error processing may be blinked or a message may be displayed on a display.

In this embodiment, the configuration is shown in which the image of the CCD camera is displayed on the display for distance measurement and angle measurement data. However, a dedicated display for displaying only the image of the CCD camera may be separately provided.

Further, since the centripetal telescope of this example and the CCD camera can be easily removed, the centripetal telescope can be plummeted as before, and the centripetal method can be selected according to the situation. it can. In particular, when more accurate centripetal movement is performed in relation to the number of pixels of the CCD camera and the number of pixels of the display display, the centripetal work may be performed directly by looking through the centripetal telescope.

[0055]

As described above, according to the surveying instrument of the present invention, the CCD camera is mounted on the eyepiece side of the centripetal telescope.
The camera takes an image around the reference point through the centripetal telescope, and displays on the display the image taken by the CCD camera and an index corresponding to the mechanical center of the surveying instrument to match the optical axis of the CCD camera, Since the center of the index and the reference point are matched on the display, it is possible to perform centripetal work, so that the surveying instrument can be moved while looking at the display to perform centripetal work. Can work in a comfortable posture, and can improve workability.

Since the survey data display provided in the surveying instrument main body can be used as the display, it is possible to use an existing surveying instrument.

[Brief description of the drawings]

FIG. 1 is a perspective view of a surveying instrument according to the present invention.

FIG. 2 is an enlarged view of a main part in FIG.

FIG. 3 is an explanatory sectional view showing a centripetal telescope and a CCD camera of the present invention.

FIG. 4 is a block diagram according to the surveying instrument of the present invention.

FIG. 5 is a flowchart showing an example of the operation of the surveying instrument of the present invention.

FIG. 6 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Main body 11 Main body casing 12 Prop 13 Collimated telescope 14 Centripetal telescope 14a Cylindrical body 14b Focusing lens 14c Reticle 14d Focusing knob 14e Eyepiece 14f Eyepiece knob 14g Holder 14h Focusing plate frame 14i Projection unit 20 Display unit 21 Display unit 21 Key group 23 Index 30 Leveling table 40 CCD camera 41 Cylindrical extension part 42 Swelling part 43 Output code A Distance measuring angle part B CPU calculation processing part L Optical axis P Reference point S Surveying instrument

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Katsuyuki Nagai 260-63 Yanagimachi, Hase-ji, Atsugi-city, Kanagawa Prefecture Inside the Sokia Atsugi Plant (72) Inventor Yuichi Ohashi 260-63 Yanagimachi, Hase-shi, Atsugi-shi, Kanagawa Sokia Corporation Atsugi factory

Claims (2)

[Claims] 1. A centripetal telescope provided on a main body of a surveying instrument, a CCD camera mounted on an eyepiece side of the centripetal telescope, and capturing an image around a reference point through the centripetal telescope, and an image captured by the CCD camera A display for displaying the image, wherein the display corresponds to the mechanical center of the surveying instrument, and an index for matching with the optical axis of the CCD camera can be displayed, and the display is performed on the display. A surveying instrument wherein a center of an index coincides with the reference point to enable centripetal movement. 2. The surveying instrument according to claim 1, wherein the display is a surveying data display for displaying surveying data provided on the surveying instrument.