JP2000346647A - Total station - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve an operability of a total station by making functions and display contents of operation keys easy to understand. SOLUTION: Functions of each of operation keys 17a-17n are simplified as much as possible. Functions of the operation keys 17a-17n are sorted and arranged by types. Shapes of and symbols attached to the operation keys 17a-17n are set so that the functions can be directly judged therefrom. Symbols displayed to a liquid crystal display panel 16 are made patterns or characters so that displayed contents can be directly understood therefrom.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a total station or an electronic tachometer in which a light wave range finder and an electronic theodolite are combined.

[0002]

2. Description of the Related Art Conventionally, a total station has been known as an electronic distance measuring goniometer for comprehensively measuring a distance and an angle. The total station is an organic combination of an electronic theodolite and a high-performance lightwave ranging instrument that has been reduced in size and weight with the development of electronic technology, and the distance information and angle information are instantaneously processed by a microprocessor. Can be displayed.

[0003]

As the performance of the total station improves and its functions increase, the number of setting items and operation items increases, but the number of keys arranged on the operation panel is limited. Each key now has multiple functions. Many functions can be provided with a smaller operation panel, but the operation is complicated and complicated. Since each key has multiple functions with different properties, the symbol printed on each key does not necessarily represent the function characteristicly, and the function should be directly inferred from the printed symbol. Was difficult. Also, since the contents related to various functions are displayed on the same display panel, it must be easy to determine which function and what contents the display represents,
With the conventional total station, it was not always easy to determine. Further, since the arrangement of keys and the operation method thereof are generally different for different models, it is extremely difficult to operate these devices without referring to a manual.

The present invention simplifies the function of each operation key and improves the display function without referring to a manual or the like by devising the display method of the display panel, the symbols written on the operation keys and their shapes. It aims to obtain a total station with good operability that can easily understand the key functions.

[0005]

A total station according to the present invention comprises basic item setting means for setting basic items which are not changed during the distance measuring and angle measuring operations, and a symbol or symbol corresponding to the setting of the basic items. A symbol display means for displaying a character symbol, and a basic setting key provided for setting a basic item, a unit system used when the basic item displays a physical quantity, a base line direction for angle measurement, , A prism constant used for correction at the time of distance measurement.

As a result, the functions of the keys are limited and the key operation is simplified. Also, since it is not shared with other functions, there is no need to display a plurality of functions, and the function notation is simple and easy to understand.

The basic setting key is preferably formed in a shape corresponding to the function, or the symbol assigned to the basic setting key is a design symbol or a character symbol corresponding to the function. The basic setting key includes, for example, a selection key for selecting an item to be set, a setting content change key for changing and setting the content of each item, and an end key for ending the basic setting mode.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a total station according to an embodiment of the present invention.

The main body 10 of the total station has a concave shape with a concave portion facing upward, and a hand grip 11 is provided at the upper ends of both protruding portions. A telescope unit 12 is disposed inside the recess, and is rotatably supported on a horizontal axis H as a rotation axis by a horizontal shaft member 13 provided near the center of the inside of the recess. A telescope 14 is provided in the center of the telescope unit 12 so as to extend vertically in the normal direction of the drawing, and its axis is arranged to be orthogonal to the horizontal axis H.

The telescope 14 is formed integrally with the telescope unit 12, and is rotatable in the vertical plane integrally with the telescope unit 12 using the horizontal axis H as a rotation axis. An eyepiece 15 is provided at a rear end of the telescope 14, and an objective lens (not shown) is provided at a front end thereof.

An operation panel 18 including a liquid crystal display panel (display unit) 16 and a key group 17 is provided on the front and lower sides of the back of the main body 10. At the upper right of the operation panel 18 provided on the front, a telescope fine movement screw 19 for adjusting fine movement around the horizontal axis of the telescope unit 12 and a telescope fixing screw 20 for fixing rotation around the horizontal axis are provided. ing.

On the bottom surface of the main body 10, three leveling screws 22 for keeping the bottom surface horizontal are provided in three directions about a vertical axis P. The leveling screw 22 is connected to the main body 10 and the bottom plate 23.
And supports the main body 10. The bottom plate 23 is mounted on and supported by a tripod (not shown). The main body 10 is rotatable about the vertical axis P as a rotation axis.

A vertical fine movement screw 24 for adjusting fine movement of the main body 10 around a vertical axis is provided below the right side surface of the main body 10.
A vertical shaft fixing screw 25 for fixing the rotation about the vertical axis is provided. At a corner where the right side and the back of the main body 10 intersect, a centripetal telescope 26 for aligning the center of the main body 10 with a side point is provided.

FIG. 2 is a block diagram schematically showing a circuit configuration of the total station shown in FIG. The measurement of the distance and the angle is performed by the distance measuring unit 30 and the angle measuring unit 31, respectively. The detected distance information and angle information are sent to the CPU 32 to perform necessary arithmetic processing and data conversion. Thereafter, the data is output and displayed on the liquid crystal display panel 16 according to the set mode. The obtained data is output to the peripheral device via the interface 35 as necessary.
Electrical operations such as mode setting are performed by operating the key group 17, and the CPU 32 performs various processes and settings in accordance with a signal command from the key group 17. Memory 33
In the table, settings such as a unit system used for display, a base line direction at the time of angle measurement, a prism constant, and the like are recorded. CPU32
Reads this setting and performs each display in accordance with the setting. These settings can be changed by operating the key group 17.

FIG. 3 shows the operation panel 18. Keys 17a to 17n are provided on the operation panel.
6 are arranged.

The 3 arranged on the right side of the liquid crystal display panel 16
The keys are a power key 17a, an illumination key 17b, and a screen switching key 17c, respectively, from the top. The total station of the present embodiment is largely divided into two modes, a measurement mode and a basic setting mode. When the power is turned on by pressing the power key 17a, a measurement mode for performing distance measurement or angle measurement is started.

The 6 provided below the liquid crystal display panel 16
These keys are keys used in the measurement mode. The key 17d is a key for switching an EDM (Electronic Distance Meter) mode, and is used to set a distance measurement unit and to set whether or not to repeat distance measurement continuously. The key 17e is a distance measurement start key, and measurement is started by pressing the key. The key 17f is a key for setting the direction in which the telescope 14 is oriented as a reference azimuth, and sets the horizontal angle to zero. The key 17g is a key for holding (fixing) the value of the horizontal angle at an arbitrary angle. Also key 1
7h sets whether to set the horizontal angle clockwise or counterclockwise, and a key 17i is a gradient display switching key.

The 4 provided on the left side of the liquid crystal display panel 16
The keys 17j to 17n are keys used in the basic setting mode. The basic setting mode is a mode for setting items such as a unit system used for display, a baseline direction at the time of angle measurement, and a prism constant. Since these items are rarely changed during measurement or every measurement as compared with the items set in the measurement mode, these items are set in the basic setting mode, which is a mode different from the measurement mode, and are stored in the memory 33. Has been recorded. Until the setting of each item is changed in the basic setting mode, the measurement result is displayed according to the setting recorded in the memory 33.

The symbols shown in the liquid crystal display panel 16 of FIG. 3 represent the symbols displayed on the liquid crystal display panel. The seven symbols drawn in the rectangular frame 16a represent the contents of each item set in the basic setting mode as symbol symbols or character symbols. The leftmost symbol in the upper row in this frame indicates the temperature scale item, and selects Fahrenheit temperature or Celsius temperature. On the right is an item of the atmospheric pressure unit, and a display unit is selected from hPa, mmHg, and lnHg. On the right is the item of prism constant, 0 or -3.
Select 0. The rightmost symbol in the upper row indicates an item for selecting whether to take the reference direction at the zenith or the horizontal line when indicating the slope angle. The leftmost symbol in the lower row is an item for selecting whether the minimum display unit of the horizontal angle is 10 seconds or 20 seconds. The symbol in the lower middle represents an item for selecting whether to use a distance display unit of meters, feet or a combination of feet and inches. The symbol on the lower right side indicates an item for selecting whether the unit of the angle is degree or gradian.

Next, with reference to FIGS. 3 to 6, a procedure for setting each item in the basic setting mode in the total station of the present invention will be described.

When the power key 17a, the item selection key (selection key) 17j, and the return key (end key) 17n are simultaneously pressed, a program in the basic setting mode is executed. In step 101, it is determined whether a key has been pressed.
This determination is repeated until a key is pressed. When any key is pressed, it is determined in step 102 whether or not the pressed key is the item selection key 17j. If the pressed key is the item selection key 17j, after the item set in step 105 is changed,
Return to 1 and wait for the next key input. Each time the item selection key 17j is pressed, the item to be set is set in the rectangular frame 16a.
Are repeatedly changed in order from the upper left item to the right item and from the lower left item to the right item. At this time, the symbol in the frame 16a corresponding to the item set is displayed, so that the operator can know what the item set by the displayed symbol is without referring to the manual.

If it is determined in step 102 that the pressed key is not the item selection key 17j, then in step 103
In, it is determined whether or not the input keys are arrow keys (setting content change keys) 17k and 17m. When the input keys are the arrow keys 17k and 17m, the setting of the item selected in step 106 is changed and the contents of the memory 33 are rewritten. For example, when the selected item is the temperature scale and the set temperature scale is Celsius, the setting is changed to the temperature scale of Fahrenheit by pressing the arrow key 17k or 17m. At this time, the display on the numerical value display section of the liquid crystal display panel changes, for example, as shown in FIGS. When there are three options, such as setting of the atmospheric pressure unit, the three keys hP arranged on the rectangular frame 16a by repeatedly pressing the arrow key 17k.
a, mmHg, lnHg are displayed in order,
Is also rewritten according to the display. On the other hand, when the arrow key 17m is repeatedly pressed, the display and the setting change in the opposite direction. Step 1
When the setting is changed in 06, the process returns to step 101.

If it is determined in step 103 that the pressed keys are not the arrow keys 17k and 17m, step 1
At 04, it is determined whether or not the pressed key is the return key 17n. If it is determined that the key is not the return key 17n, the process returns to step 101 and waits until the next key is input. When the return key 17n is determined, the basic setting mode ends, and the mode becomes the measurement mode.

Here, in order to compare the setting method of each item in the present embodiment with the setting method in binary notation performed in the conventional total station, a case where each of the above-described items is set by the conventional method will be described. In the present embodiment, the options of the atmospheric pressure unit and the distance display unit are each 3
However, if it is assumed that there are only two options for all items for the sake of explanation of the binary notation, the states of the above seven items can be represented by seven-digit binary numbers. That is, if each digit corresponds to each item and 0 and 1 correspond to each of the two options of each item, the state of all items can be expressed by a 7-digit binary number. However, which digit corresponds to which item, and which of the two options of each item corresponds to 0 and which corresponds to 1, is very complicated without knowing it without referring to the manual. Further, if the keys used for setting these items are also used as keys used in the distance measurement mode or the like, it is difficult to know which key is used for the setting without referring to the manual.

On the other hand, according to the present embodiment, the functions of each key are simplified, and they are arranged according to typical functions, and are displayed on the liquid crystal display panel and symbols printed on each key. The notation or shape is also such that its function can be directly inferred from its symbol or shape, so that the operation is easy to understand and handle.

[0026]

As described above, according to the present invention, it is possible to obtain a operable total station that can easily understand a display function and a key function without referring to a manual or the like.

[Brief description of the drawings]

FIG. 1 is a front view of a total station according to the present invention.

FIG. 2 is a block diagram schematically showing a circuit configuration of a total station shown in FIG.

FIG. 3 is a diagram showing a liquid crystal display panel and keys arranged on an operation panel.

FIG. 4 is a flowchart of a program executed in a basic setting mode.

FIG. 5 is a diagram showing a state in which the temperature scale is set to Fahrenheit and a temperature scale item is selected in the basic setting mode;
FIG. 3 is a diagram showing a screen displayed on a liquid crystal display panel.

6 is a diagram showing a screen displayed on the liquid crystal display panel when the temperature scale is changed to Celsius from the state of FIG.

[Explanation of symbols]

 16 LCD panel 17 Key group

Claims (4)

[Claims] In a total station for performing distance measurement and angle measurement, basic item setting means for setting basic items which are not changed during the distance measurement and angle measurement operation, and a symbol corresponding to the setting of the basic items Or a symbol display means for displaying a character symbol, and a basic setting key provided for setting the basic item, a unit system used when the basic item displays a physical quantity, A total station characterized by a base line direction and a prism constant used for correction at the time of distance measurement. 2. The total station according to claim 1, wherein the basic setting key has a shape corresponding to the function. 3. The total station according to claim 1, wherein the symbol assigned to the basic setting key is a symbol or a character symbol corresponding to the function. 4. The basic setting key includes a selection key for selecting the item to be set, a setting content changing key for changing and setting the content of each item, and a setting content changing key for ending the basic setting mode. The total station according to claim 1, comprising an end key.