KR101252830B1 - Manufacturing system for digital map - Google Patents

Abstract

PURPOSE: A precise digital map generation system is provided to efficiently make a digital map by fixing a body of a terminal device to maintain the standing state. CONSTITUTION: A precise digital map generation system comprises a GPS satellite, a GIS server, and a terminal device to exchange map information with the GIS server. The terminal device comprises a body(110), a distance measuring tool, a touch screen panel, a GPS sensor, a control unit, a transceiver unit, a body support(190), and a height adjusting unit(290). The distance measuring tool measures the distance which the body travels. The GPS sensor receives location information from the GPS satellite. The control unit outputs images and corrects map information by updating the map information. The body support maintains the standing state of the body. The height adjusting unit controls the height of a handle part(113) provided in the body.

Description

Precise digital map production system by combining coordinate and topographic information {Manufacturing System for Digital Map}

The present invention relates to a precision digital map production system through the synthesis of coordinate information and topographical information, and more particularly, GPS artificial satellite and a GIS server installed in a separate place, and receiving the location information from the GPS satellite, and the GIS server and map By using the terminal device to send and receive information, it is possible to produce a precise digital map through the synthesis of coordinate information and terrain image, and to make the use of the terminal device more convenient, and to produce a more accurate digital map. Coordinate information that can be performed more precisely and efficiently by minimizing the coordinate information error of the local point by preventing the GPS sensor which receives the position information from the GPS satellites from being moved in the position in the state. The present invention relates to a precise digital map production system through topographic information synthesis.

The digital map means that digital maps are produced by digitally analyzing various topographical data obtained by surveying maps, aerial photographs, satellite images, etc. from existing analog paper maps.

The general process of constructing a digital map is as follows. When the paper map is digitized or scanned to form a digital map, the paper map is converted into an actual coordinate system according to the user's purpose through coordinate transformation. Afterwards, attribute data is input to the numerical map that establishes the topological structure to grasp the inter-location and correlation between spatial objects.

The digital maps produced in this way enable faster and more accurate map retrieval than paper maps, and are superior in information management and usability to support various planning and decision making.

However, since the attribute data input to the digital map is input through the aerial photograph and satellite image reading, it is difficult to guarantee the accuracy of the attribute data at 100%.

Therefore, the field survey is performed to ensure the accuracy of the digital map, and the field surveyor collects data recording the photographs of the site and the location of the site using a terminal device, and corrects the error based on the collected data. To produce.

However, in the digital map production system as described above, the terminal device for recording data is easily damaged by external shock during field work. In addition, the terminal device is complicated in structure, the equipment is large, it was greatly limited in mobility. As a result, a lot of inconveniences have been incurred in using the terminal device by the worker.

In order to improve this, Patent Registration No. 10-0942464 has disclosed a "digital map production system that improves the accuracy of the position data included in the digital map through the synthesis and comparison of coordinate information, terrain information and numerical information".

This patent registration No. 10-0942464 is provided with a cover for protecting the compass and the touch screen panel of the terminal device, it is possible to protect the compass and the touch screen panel from external debris when the terminal device is not used, After confirming the error, the map can be corrected, so that accurate digital map production can be made, and a mobile terminal device having a good mobility can be used while conveniently checking the digital map error.

However, in the conventional terminal device, a GPS sensor for receiving position information from a touch screen panel, a compass and a GPS satellite is installed on an upper portion of a body, and a wheel and a distance measuring device for movement are installed on a lower portion of the body. When you check the error of the numerical map by moving the touch screen panel while moving, there is no means to keep the body standing up in the stopped state, so the field surveyor should always hold the handle of the body with one hand. As a result, the GPS sensor receiving the position information from the GPS satellites moves together due to the shaking of the body of the terminal device or the position of the terminal device, resulting in an error in the coordinate information. Not only that, but you can also make accurate There was no problem.

The present invention is to solve the conventional problems as described above, the purpose of using the terminal device for checking and correcting the error of the numerical map in the state that the field surveyor stopped moving the terminal device with one hand The body can be kept upright without holding the handle, and the body can be fixed so that it can be fixed so that the field surveyor can use both hands. It is very convenient to check and correct the error of the digital map, so that the production of the digital map can be streamlined. Also, the GPS sensor which receives the position information from the GPS satellite is not located in the upper part of the body. Numerical value by preventing errors in the coordinate information of local points The only can accurately perform the calibration as well, to provide a precise digital map production system through the available information and terrain coordinate synthetic precise production even create a digital map based on the error.

In order to achieve the above object, the present invention, GPS satellites, coordinate information including a GIS server installed in a separate place, and a terminal device for receiving location information from the GPS satellites, and exchanges map information with the GIS server and In the precision digital map production system by synthesizing the topographic information, The terminal device comprises: a body having a support, a wheel installed below the support, and a handle disposed on the support; A distance measuring device installed on the body and outputting a moving distance of the body by measuring a rotation angle of the wheel; A compass installed on a handle of the body to indicate an orientation; A touch screen panel installed on the handle of the body to input numerical information correction data and output corrected map information from the controller; A GPS sensor installed in the body and operated by a controller to receive position information from the GPS satellites; It is installed in the body, receives the location information from the GPS sensor and outputs the image through the stored map information and location information as a medium, and when the update map information is input from the transmitting and receiving unit, and updates the stored map information on the touch screen panel A controller configured to correct map information based on numerical information correction data input by the controller; A transmission / reception unit installed in the body and operated by the control unit to receive update map information from the outside and wirelessly transmit numerical information correction data output from the control unit to the outside; A body support part installed on the support part of the body to maintain the body in an upright position; And a precision digital map production system through synthesizing coordinate information and terrain information, including a height adjusting unit for adjusting the height of the handle part provided in the body.

In addition, the body support portion of the present invention, the screw portion formed in the support portion of the body, the first to third fastening member to be screwed to the screw portion, and the lower ring fitted to the support portion between the first and second fastening member A member, an upper ring member fitted to a support portion between the second and third tightening members, a rotation between an end position connected to the lower ring member and positioned parallel to the support portion, and a support position where the end portion is in contact with the ground; A second support leg which is connected to the upper ring member, one end of which is connected to the upper ring member, and a second support leg which rotates between a support position where the end portion is parallel to the support portion, and a support position where the end portion is in contact with the ground; A fixing member having a pair of elastic fixing pieces for fixing the first and second supporting legs in position, and provided in the lower ring member to provide a screw portion of the support portion. A lower handle for rotating the lower ring member as a core, an upper handle for rotating the upper ring member centered on the threaded portion of the support portion provided on the upper ring member, and end portions of the first and second supporting legs. It is characterized by a precision digital map production system by combining coordinate information and terrain information consisting of a non-slip means detachably coupled to.

In addition, the non-slip means of the present invention consists of a cylindrical material of a pointed metal material and a rubber-shaped cylindrical material formed with irregularities on the bottom surface, through the synthesis of coordinate information and topographic information configured to be selectively replaced according to the ground conditions. It is characterized by the precision digital mapping system.

In addition, the height adjustment portion of the present invention, the height adjustment hole formed in the upper portion of the support portion of the body, the height adjustment bar formed in the lower portion of the handle portion provided in the body and inserted into the height adjustment hole, and formed in the support portion of the body A height adjusting knob having a screw fastening portion penetrated through the height adjusting hole, the height adjusting bar being fixed and released by the end of the screw fastening portion, and an inner circumferential surface of the height adjusting hole formed in the support portion. Precisely through the synthesis of coordinate information and topographic information consisting of a guide projection which is provided in the height adjustment direction of the handle portion and a guide groove formed on the outer circumferential surface of the height adjustment bar provided in the handle portion is inserted into the guide projection It is characteristic of digital mapping system.

According to the present invention having the above-described configuration, as the body support portion is provided in the support portion of the terminal device, the first and the body support portion in the state in which the movement of the terminal device is stopped in using the terminal device for the production of the numerical map 2 The body can be kept upright by supporting it on the ground using the support legs. Therefore, the field inspector can use both hands, and therefore, the production work of the digital map can be performed very conveniently and efficiently.

In addition, the present invention is provided on the upper portion of the body in the state of stopping the movement of the terminal device is prevented the position movement or flow of the GPS sensor for receiving the position information from the GPS satellite, it is possible to obtain accurate coordinate information of the local point, thereby Production of digital maps by combining coordinate and terrain information can be performed more accurately.

In addition, in the present invention, since the height of the first and second support legs is adjusted by manipulating the first to third fastening members screwed to the threaded portion of the body support portion, it is possible to adjust the erected angle of the body in response to the bending of the ground. And, by the non-slip means detachable to the end of the first and second supporting legs can effectively prevent the slip according to the state of the ground, the height of the handle portion provided with the touch screen panel height adjustment unit Since it can be adjusted by the user, the height of the touch screen panel can be adjusted according to the user's physical condition, the use of the terminal device is more convenient, there is an effect of providing an efficient working environment in producing a precise numerical map.

1 is a block diagram showing a digital map production system according to the present invention.
Figure 2 is a front view showing a terminal device according to the present invention.
Figure 3 is a perspective view of the handle portion in the terminal device of the present invention.
4 is a longitudinal cross-sectional view of FIG.
5 to 15 is a state diagram of the use of the touch screen panel for showing the operation of the digital map production system according to the present invention.
Figure 16 is a front view showing the body support in the terminal device of the present invention.
17A and 17B are cross-sectional views taken along the line AA of FIG. 16, showing a state of use of the body support part in the terminal device of the present invention.
18 is a state of use of the non-slip means provided in the body support portion in the terminal device of the present invention.
19 is a cross-sectional view taken along line BB of FIG. 16.
20 is a cross-sectional view showing the height adjustment unit in the terminal device of the present invention.
21 is a cross-sectional view taken along line CC of FIG. 20.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to the description of the present invention, the following specific structures or functional descriptions are merely illustrated for the purpose of describing embodiments according to the inventive concept, and the embodiments according to the inventive concept may be implemented in various forms, It should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

The present invention refers to the prior art patent registration No. 10-0942464. Therefore, the features of the device configuration described below are all matters described in Patent Registration No. 10-0942464.

However, the present invention by installing a height adjusting unit for adjusting the height of the body support and the handle portion for maintaining the body standing up state in the support provided in the body of the terminal device of the configuration disclosed in the patent registration 10-0942464 It is configured to keep the body standing in the stopped state while moving the terminal device, and also to more convenient configuration by adjusting the height of the handle portion, this part constitutes the most essential configuration features.

Therefore, the device configuration, features and operation relations described below will be cited in the contents of the Patent Registration No. 10-0942464 as it is, and will be described in detail with respect to the configuration related to the main features of the present invention at the rear end.

1 to 4, a system for producing a numerical map according to the present invention is a GPS artificial satellite (S), the terminal device 100, and the GIS server 200 for exchanging data with the terminal device 100. Is done.

The terminal device 100 includes a body 110, a distance measuring device 120 installed on the body 110, a compass 130 installed on the body 110, and an upper portion of the body 110. The touch screen panel 140 is installed in the body, the cover 110 is installed on the body 110 to cover the compass 130 and the touch screen panel 140, and is installed on the body 110 to store the cover 170 The storage unit 180, the control unit 150 for controlling the operation of the touch screen panel 140, the GPS sensor (GS) installed in the body 110, and the transmission and reception unit 160 is controlled by the control unit 150 It consists of

The body 110 includes a support 111, a wheel 112 installed below the support 111, and a handle 113 installed above the support 111. At this time, the handle portion 113, the tip is rounded to facilitate the operator to hold.

In addition, the handle portion 113, the upper portion has an inclined portion (S) for easily viewing the touch screen panel 140, the first locking portion 113a and the second locking on the upper surface of the inclined portion (S) The portion 113b is formed.

The first catching portion 113a includes a first inserting groove 113a1 that is opened upward, and a first catching groove 113a2 that opens laterally and communicates with a lower portion of the first inserting groove 113a1. Is formed in the lower portion of the inclined portion (S), a plurality is formed along the longitudinal direction.

The second locking portion 113b includes a second insertion groove 113b1 that is laterally opened, and a second locking groove 113b2 that is opened downward and communicates with the second insertion groove 113b1, thereby providing an inclination portion. Is formed on the upper portion (S), is formed on the upper portion of the first engaging portion 113a is formed in a plurality in the longitudinal direction.

The distance measuring mechanism 120 is a conventional one for measuring the rotation angle or the number of revolutions of the wheel 112 and displaying it to the outside, and is generally used for a distance measuring device called a walking distance meter.

The compass 130 is a conventional one that can confirm the orientation, is installed on the upper surface of the handle portion 113 of the body (110).

The touch screen panel 140 inputs numerical information correction data and outputs corrected map information from the controller 150. In this case, the touch screen panel 140 may include a map menu 141 indicating a map, a start / end menu 142 for starting or ending map correction, and a start position menu for specifying a start point of a path to be newly created. 143), an intermediate position menu 144 for inputting an intermediate movement route, an end position menu 147 for inputting a movement route from the intermediate movement route to an end position, and an azimuth adjustment menu for inputting a movement direction 145 and a distance value adjustment menu 146 for inputting the moved distance value.

On the other hand, the numerical information includes coordinate information, attribute information, and route information.

The coordinate information includes coordinate values for polygons that classify regions of the digital map according to attributes. In this case, the coordinate information may be stored by mapping to the region name stored in the numerical map or the map information of the corresponding region. The coordinate value of the polygon refers to the coordinate value of the plurality of furnaces constituting the polygon, and the interval of the plurality of furnaces may be preset by the digital map maker when analyzing and reading image data to generate map information and attribute information. have.

The attribute information may be stored by mapping to a region name stored in the numerical map or map information corresponding to the region name. Attribute information represents information of a specific area including residential area, agricultural area, factory area, commercial area, forest area, and wetland area, and is usually analyzed and read from image data such as survey map, aerial photograph, satellite image, etc. Can be. In addition, the attribute information may be classified for each attribute by a polygon generated by a plurality of nodes, and the classification for each attribute may be an area configuring the digital map.

The route information is a movement route that is read from a digital map generated by a survey map, aerial photographs, satellite images, etc., and may be stored by mapping the map information of the region corresponding to the region name or region name stored in the numerical map. have. The route information is preferably made of a combination of coordinate values.

The map menu 141 appears on the right side of the touch screen panel 140 to show a map.

The start / end menu 142 is displayed on the left side of the touch screen panel 140 and starts or ends map correction by an external touch.

The start position menu 143 appears at the bottom of the start / end menu 142 and allows a start position to be input to the map menu 141 through a touch from the outside.

The intermediate position menu 144 appears at the bottom of the start position menu 143, and allows a movement path from the start position to the intermediate position through a touch from the outside.

The end position menu 147 appears at the bottom of the intermediate position menu 144 and allows a movement route from the intermediate position to the end position through a touch from the outside.

The azimuth adjustment menu 145 is displayed on the lower right side of the intermediate position menu 144, and allows the terminal device 100 to input an azimuth to be moved through a touch from the outside.

The distance value adjustment menu 146 appears at the bottom of the azimuth adjustment menu 145, and allows the terminal device 100 to input a distance moved by a touch from the outside.

The cover 170 has a lower opening, a first protrusion 171 and a second protrusion 172 are formed at both ends of a lower surface thereof, and a cover handle 173 is provided at an upper portion thereof, such as a compass 130 and a touch screen. Cover panel 140.

The first protrusion 171 has a tip protruding laterally and is inserted into the first catching groove 113a2 of the handle 113 to prevent the cover 170 from moving upward.

The second protrusion 172 may include an insertion protrusion 172a inserted into the first insertion groove 113a1 of the handle 113 and a fixing protrusion that is caught by the second locking groove 113b2 of the handle 113. 172a to prevent the cover 170 from moving laterally. At this time, the second protrusion 172 preferably has a slight elasticity to release the locking.

The cover handle 173 is for facilitating the cover of the cover 170.

The storage box 180 is openable, is installed on the upper portion of the body support 111 through the bracket (B), it is disposed under the handle portion 113.

On the other hand, the cover 170 is fixed to the storage box 180 through the fixing strap (R), it is not easily separated to another place.

The control unit 150 is installed in the handle 113 of the body 110, receives the position information from the GPS satellites (S) and outputs an image through the self-stored map information and position information, and the transmission and reception unit ( When the update map information is input from 160, the map information is updated and the map information is corrected based on the numerical information correction data input by the touch screen panel 140.

The GPS sensor GS is installed in the handle 113 of the body 110, and is operated and controlled by the controller 150 to receive position information from the GPS satellite S.

The transmitting and receiving unit 160 is installed in the handle portion 113 of the body 110, the operation is controlled by the controller 150, receives the update map information from the outside, and wirelessly transmit the numerical information correction data to the outside Send it out.

The GIS server 200 transmits the update map information to the terminal device 100, and receives and transmits and receives a transmission and reception unit 210, which receives numerical information correction data from the transmission and reception unit 160 of the terminal device 100. A control unit 220 for controlling the operation of the 210, and the operation control by the control unit 220, the storage unit 230 for storing the numerical information.

In this case, the controller 220 compares the numerical information correction data received from the transceiver 210 with the numerical information stored in the storage 230, and corrects the numerical information stored in the storage 230.

Meanwhile, the controller 220 receives numerical information correction data from a plurality of terminal devices 100 that are active in different regions, corrects numerical information of the storage unit 230, and updates updated map information based on the numerical information correction data. By wireless transmission to the outside via the transceiver 210, to correct the map information of the plurality of terminal apparatus (100).

5 to 15 are diagrams illustrating the operation of the digital map production system according to the present invention. Referring to FIGS. 5 to 15, the process of checking and correcting an error of the digital map will be described below.

First, when the operator arrives at the site to check and correct the error of the map, the worker grasps the cover handle 173 and pulls the cover 170 to the right side, and the locking protrusion 172b of the cover 170 is the handle portion 113. When the second locking groove 113b2 is caught and continuously receives the force, the insertion protrusion 172a of the cover 170 is slightly bent and the locking protrusion 172b is separated from the second locking groove 113b2. At this time, the first protrusion 171 of the cover 170 is positioned in the first insertion groove 113a1 of the handle portion 113. Therefore, when the worker pulls the cover 170 upward, the cover 170 is opened.

Thereafter, when the operator turns on the terminal apparatus 100 to check and correct the error of the map, the screen of the touch screen panel 140 of the terminal apparatus 100 becomes as shown in FIG. 6.

Subsequently, when the worker touches the start / end menu 142, a map correction screen is displayed as shown in FIG. At this time, the GPS position P1 confirmed through the GPS device is displayed on the map of the map menu 141 in bold.

On the other hand, the GPS device there is an error, it may not be able to indicate the exact position of the terminal device 100 on the map of the map menu 141.

In this case, since the terminal device 100 displays the actual position P2 and the GPS position P1 differently as shown in FIG. 7, the error can be confirmed. When the error is confirmed as described above, the operator touches the start position menu 143 and then touches the actual position P2 on the map shown in the map menu 141. Then, when the operator touches the start position menu 143 again, the display indicating the GPS position P1 disappears, and the start position IP1 is displayed in bold as shown in FIG. 8.

Thereafter, when the intermediate position menu 144 is touched, the azimuth adjustment menu 145 and the distance value adjustment menu 146 are displayed on the screen as shown in FIG. 9. At this time, the numerical values of the azimuth adjustment menu 145 and the distance value adjustment menu 146 indicate '0'.

On the other hand, in the above state, the operator checks the compass 130 of the terminal device 100, to confirm the orientation.

Thereafter, the operator touches the azimuth adjustment menu 145 to set the azimuth angle to which the terminal device 100 moves, and then moves to the intermediate position while pushing the terminal device 100.

At this time, when the worker pushes the terminal device 100, the wheel 112 of the terminal device 100 is rotated, the distance measuring mechanism 120 measures the number of revolutions of the wheel 112, the terminal device 100 The travel distance of is shown to the outside.

On the other hand, when the worker moves the terminal device 100 to the desired position, the distance moved to the distance measuring mechanism 120 is displayed.

In this case, when the operator touches the distance value adjustment menu 146 and inputs the distance value of the moving distance displayed on the distance measuring mechanism 120 to the terminal device 100, the terminal apparatus 100 is as shown in FIG.

Thereafter, when the intermediate position menu 144 is touched, the intermediate position IP2 is displayed as dark as shown in FIG. 11, and the values of the azimuth adjustment menu 145 and the distance value adjustment menu 146 become '0', The azimuth adjustment menu 145 and the distance value adjustment menu 146 disappear so that azimuth and distance values cannot be input.

At this time, when there are a plurality of intermediate positions inflected, the intermediate position menu 144 is touched again to repeat the above process.

Thereafter, when the end position menu 147 is touched, the azimuth adjustment menu 145 and the distance value adjustment menu 146 are displayed in a state in which the azimuth and distance values can be input as shown in FIG. 12.

Subsequently, after inputting an azimuth angle to the terminal device 100, the terminal device 100 is moved to an end position in the same manner as described above, and the distance value to the moved position is controlled through the distance value adjustment menu 146. The input is as shown in FIG. 13.

In this case, when the end position menu 147 is touched, the end position IP3 is displayed as dark as shown in FIG. 14, and the controller 150 corrects the existing map information through the numerical information correction data inputted from each menu. 15, the movement route from the start position IP1 to the end position IP3 is displayed.

Subsequently, when the start / end menu is touched, the controller 150 wirelessly transmits the numerical information correction data generated as described above via the transmission / reception unit 160, and corrects the map information stored by the numerical information correction data. do.

At this time, the transceiver 210 of the GIS server 200 installed in a separate control room receives the numerical information correction data from the transceiver 160, and the controller 220 receives the numeric information received from the transceiver 210. The correction data is compared with the numerical information stored in the storage 230 to correct the numerical information of the storage 230.

Meanwhile, the GIS server 200 receives the value information correction data from the plurality of terminal devices 100 active in other regions, corrects numerical information of the storage unit 230, and updates map information formed based on the correction information. The radio is transmitted to the outside via the transmission and reception unit 210.

At this time, the terminal device 100 receives the update map information from the GIS server 200, and corrects the existing map information.

As described above, the system for producing a numerical map according to the present invention is provided with a cover 170 for protecting the compass 130 and the touch screen panel 140 of the terminal device 100, the terminal device 100 When not in use, the compass 130 and the touch screen panel 140 can be protected from foreign objects, and the map can be corrected by visually checking the feature, so that accurate numerical maps can be produced and have good mobility. Using the terminal device, there is an effect that can be conveniently corrected while checking the error of the numerical map.

The present invention includes the configuration and operation as it is, as shown in Figure 16 to 21, the body 110 is installed on the support 111 of the body 110 provided in the terminal device 100 is standing state Body support portion 190 to maintain the, and the height adjusting portion 290 for adjusting the height of the handle portion 113 provided in the body 110 is configured as follows.

The body support part 190 according to the present invention forms a threaded portion 111a below the support 111 of the body 110, and first to third fastening members 191a, 191b, and 191c to the threaded portion 111a. ) Is screwed in. The first to third fastening members 191a, 191b and 191c preferably form irregularities or a plurality of protrusions on the outer circumferential surface to facilitate rotation by hand.

The lower ring member 192a is fitted between the first and second fastening members 191a and 191b to be fitted to the threaded portion 111a of the support part 111, and the second and third fastening members 191b and 191c are provided. An upper ring member 192b fitted between the threaded portions 111a of the support 111 is provided therebetween. The lower ring member 192a and the upper ring member 192b are tightly fixed at upper and lower sides by the first to third fastening members 191a, 191b and 191c, and the first to third fastening members 191a and 191b, The height of the lower ring member 192a and the upper ring member 192b can be adjusted by rotating 191c and moving it along the threaded portion 111a.

One end of the first supporting leg 193a in the shape of a rod is rotatably connected to the lower ring member 192a so that the standby position (solid line position in FIG. 16) and the end of which are located in parallel with the support part 111 are connected to the ground. It rotates between the contact positions (imaginary line position of FIG. 16) which contact | connects.

One end of the second supporting leg 193b in the shape of a rod is rotatably connected to the upper ring member 192b so that the standby position (solid line position in FIG. 16) and the end of which are located in parallel with the support part 111 are connected to the ground. It rotates between the contact positions (imaginary line position of FIG. 16) which contact | connects.

At this time, the fixing member 195 is fixed to the intermediate position of the support 111, a pair of fixing the first and second supporting legs (193a, 193b) in the standby position to the fixing member 195. An elastic fixing piece 195a is formed. The pair of elastic fixing pieces 195a are elastically opened when the first and second supporting legs 193a and 193b are inserted and elastically restored after insertion of the first and second supporting legs 193a and 193b. It is preferable that the first and second support legs 193a and 193b are formed to have elastic force to fix them.

In addition, the lower ring member 192a is provided with a lower handle 194a to rotate the lower ring member 192a about the threaded portion 111a of the support 111, and the upper ring member 192b. The upper handle 194b is provided to rotate the upper ring member 192b about the threaded portion 111a of the support 111.

Meanwhile, non-slip means are detachably coupled to the end portions of the first and second support legs 193a and 193b. The non-slip means consists of a conical body 196a of pointed metal material or a cylindrical body 196b of rubber material having irregularities formed on the bottom surface, and is configured to be selectively replaced according to the ground.

In the present invention having such a configuration, in using the terminal device 100 to check the error of the numerical map, the body support part 190 provided in the support part 111 in the state of stopping the movement of the terminal device 100 is used. Since it is possible to maintain the body 110 in the upright state, the field surveyor can use both hands so that the terminal device 100 can be used very conveniently, and is provided on the upper part of the body 110 from the GPS artificial satellite (S). GPS sensor (GS) for receiving the location information of the location movement or flow is prevented, it is possible to obtain accurate location information of the local point.

That is, as shown in FIGS. 16 and 19, the first and second supporting legs 193a and 193b of the body support part 190 are removed from the elastic fixing piece 195a of the fixing member 195, and are shown in solid lines. Rotate from the stand-by position to the support position shown by the virtual line, loosen the second and third fastening members 191b and 191c in order to loosen the lower ring member 192a and the upper ring member 192b, and As shown in FIGS. 17A and 17B, the lower ring member 192a and the upper ring member 192b are rotated about the threaded portion 111a of the support 111 by using the lower handle 194a and the upper handle 194b. When opened to both sides, the first and second support legs (193a, 193b) to support the body 110 in the form of the tricycle to maintain the body 110 in an upright state, the second and third fastening member (191b) When the lower ring member 192a and the upper ring member 192b are fixed by tightening the 191c, the first and second support legs 193a and 193b are fastened. It can be firmly fixed in eojin state.

Therefore, the field surveyor does not have to hold the handle portion 113 of the body 110, so that both hands can be used, the terminal device 100 can be used very conveniently, and provided on the upper portion of the body 110, GPS artificial satellite ( The GPS sensor GS, which receives the location information from S), can also obtain accurate coordinate information of the local point because the location is not moved or moved.

Subsequently, when the terminal device 100 is to be moved, the second and third fastening members 191b and 191c are released in order to loosen the lower ring member 192a and the upper ring member 192b. As shown in FIGS. 17A and 17B, the lower ring member 192a and the upper ring member 192b are rotated about the threaded portion 111a of the support 111 by using the lower handle 194a and the upper handle 194b. Then, as shown in FIG. 16, the first and second support legs 193a and 193b are rotated from the support position shown by the imaginary line to the standby position shown by the solid line, so that the elastic fixing piece 195a of the fixing member 195 is closed. ) And then tightening the second and third fastening members 191b and 191c in order to fix the lower ring member 192a and the upper ring member 192b, and the first and second support legs 193a and 193b. ) Is firmly ordered without movement to the support 111, there is no fear of being disturbed when the terminal device 100 moves.

In addition, the present invention is the first and second support legs (193a, 193b) by operating the first to third fastening members 191a, 191b, 191c screwed to the threaded portion (111a) of the body support portion 190 The height of the can be adjusted, thereby adjusting the erected angle of the body 110 in response to the bending of the ground.

That is, in order to lower the height of the first and second supporting legs 193a and 193b, when the first tightening member 191a is rotated and lowered along the threaded portion 111a, the lower ring member 192a is increased. ) By lowering the height of the first support leg (193a), and then by lowering by rotating the second fastening member (191b), while fixing the lower ring member (192a), the upper ring member ( Lowering the height of the second support leg 193b by lowering the 192b, and then rotating the third fastening member 191c to lower the upper ring member 192b to fix the first and second support legs 193a. , 193b). When the first to third fastening members 191a, 191b and 191c are operated in the reverse order of the operation, the heights of the first and second support legs 193a and 193b may be increased.

In addition, the present invention, as shown in Figure 18, by the non-slip means detachable to the end portions of the first and second support legs (193a, 193b) can effectively prevent the slip according to the state of the ground, thereby It is provided on the upper portion of the body 110 to prevent the position movement or flow of the GPS sensor (GS) for receiving the position information from the GPS satellite (S) can obtain accurate coordinate information of the local point.

For example, when the ground is soiled or the ground is uneven, a conical body 196a of pointed metal is used in combination with the ends of the first and second support legs 193a and 193b, and the bottom is hard. If the ground condition is smooth, by using a rubber-like cylindrical body 196b having irregularities formed on the bottom surface, the first and second support legs 193a and 193b can be prevented from slipping, thereby maintaining a firm supporting state. have.

On the other hand, the height adjustment portion 290 of the handle portion 113 according to the present invention, as shown in Figure 20, the height adjustment hole 291 formed in the upper portion of the support portion 111 of the body 110, and It is provided on the lower portion of the handle 113 provided in the body 110 is provided with a height adjustment bar 292 is inserted into the height adjustment hole (291).

The height adjustment hole 291 is formed long in the longitudinal direction (height adjustment direction) of the support portion 111, the length of the height adjustment bar 292 is adjustable in the range of 10 ~ 20cm the height of the handle portion 113 The length is set, and the cross-sectional shape of the height adjusting hole 291 and the height adjusting bar 292 is preferably formed in a circular shape as shown in FIG.

In addition, the height adjustment unit 290, the height adjustment knob (293) having a screw tightening portion (293a) to be screwed through the height adjustment hole (291) formed in the support portion 111 of the body (110). Equipped. Accordingly, the end of the screw tightening portion 293a fixes and releases the height adjustment bar 292 by the rotation operation of the height adjustment knob 293.

In addition, the height adjustment unit 290 is provided on the inner circumferential surface of the height adjustment hole (291) formed in the support portion 111 and the guide protrusion (294) arranged in the height adjustment direction of the handle portion 113, and the The guide groove 295 is formed on the outer circumferential surface of the height adjusting bar 292 provided in the handle 113 and is inserted into the guide protrusion 294.

According to the height adjustment unit 290 of this configuration, the height of the handle 113 is adjusted according to the user's physical condition, so that the use of the terminal device 100 is more convenient to perform the production of the digital map more efficiently. can do.

That is, when the height adjusting knob 293 of the height adjusting part 290 is rotated in the release direction of the screw tightening part 293a to release the fixing state of the height adjusting bar 292 with respect to the support part 111, the height adjusting bar 292 can be moved in the height adjustment direction so that the height of the handle portion 113 can be adjusted with respect to the support portion 111, and then the height adjustment knob 293 is rotated in the tightening direction of the screw tightening portion 293a. Fixing the height adjustment bar 292, it is possible to maintain the adjusted height of the handle portion (113).

At this time, the height adjustment bar (292) by the guide protrusion (294) provided in the height adjustment hole (291) of the support portion 111 and the guide groove (295) provided in the height adjustment bar (292) because the handle only linear movement There is no fear that the portion 113 rotates in the horizontal direction with respect to the support bar 111.

Thus, by adjusting the height of the handle 113 according to the user's physical condition, it is convenient to move the handle 113 by holding the handle unit 113, the touch screen panel provided in the handle 113 Since the height of the 140 is in a convenient position to operate, it is possible to perform the work more efficiently when the digital map is produced using the terminal device 100.

100: terminal device 110: body
120: distance measuring instrument 130: compass
140: touch screen panel 150: control unit
160: transceiver 170: cover
180: storage box 190: body support
200: GIS server 210: transceiver
220: control unit 230:
290: height adjuster GS: GPS sensor

Claims (1)

GPS satellites, GIS server installed in a separate place, and GPS satellites receiving location information, and a coordinate device including a coordinate device and terrain information including a terminal device that sends and receives map information with the GIS server in a precise digital map production system In
The terminal device includes: a body (110) having a support part (111), a wheel installed below the support part (111), and a handle part disposed on the support part (111); A distance measuring device installed on the body 110 and outputting a moving distance of the body 110 by measuring a rotation angle of the wheel; A compass installed on the handle of the body 110 to indicate a bearing; A touch screen panel installed on the handle of the body 110 to input numerical information correction data and output corrected map information from the controller; A GPS sensor installed in the body 110 and operated by a controller to receive position information from the GPS satellites; It is installed in the body 110, receives the location information from the GPS sensor and outputs the image through the stored map information and location information as a medium, and when the update map information is input from the transmitter and receiver updates the stored map information, touch A controller which corrects the map information based on the numerical information correction data inputted by the screen panel; A transmission / reception unit installed in the body 110 and operated by the control unit to receive update map information from the outside and wirelessly transmit numerical information correction data output from the control unit to the outside; A body support part 190 installed on the support part 111 of the body 110 to maintain a standing state of the body 110; And a height adjusting unit 290 for adjusting the height of the handle portion 113 provided in the body 110,
The body support part 190 includes a screw part 111a formed on the support part 111 of the body 110 and first to third fastening members 191a, 191b, and 191c that are screwed onto the screw part 111a. ), A lower ring member 192a fitted to the support 111 between the first and second fastening members 191a and 191b, and a support part between the second and third fastening members 191b and 191c. An upper ring member 192b fitted to the 111 and one end connected to the lower ring member 192a to rotate between a stand-by position parallel to the support 111 and a support position where the end portion contacts the ground. The first supporting leg 193a and the second supporting leg 193b, one end of which is connected to the upper ring member 192b to rotate between the stand-by position parallel to the support 111 and the supporting position where the end portion is in contact with the ground. ) And a pair for fixing the first and second support legs 193a and 193b fixed to the support 111 and in the standby position. A lower handle for rotating the lower ring member 192a around the screw member 111a of the support part 111 provided on the fixing member 195 having the elastic fixing piece 195a and the lower ring member 192a. 194a, an upper handle 194b provided in the upper ring member 192b for rotating the upper ring member 192b about the threaded portion 111a of the support part 111, and the first and second parts. 2 consists of non-slip means detachably coupled to the ends of the supporting legs (193a, 193b),
The non-slip means is composed of a conical body (196a) of a pointed metal material and a cylindrical body (196b) of rubber material formed with irregularities on the bottom surface, and configured to be selectively replaced according to the ground conditions.
The height adjusting part 290 is formed in the lower portion of the height adjusting hole 291 formed on the support 111 of the body 110 and the handle portion 113 provided in the body 110 is the height And a height adjusting bar 292 inserted into the adjustment hole 291 and a screw tightening portion 293a penetrated and screwed into the height adjusting hole 291 formed in the support 111 of the body 110. An inner circumferential surface of the height adjusting knob 293 and the height adjusting hole 291 formed in the support 111 to fix and release the height adjusting bar 292 by the end of the screw tightening portion 293a. It is provided on the guide projections 294 disposed in the height adjustment direction of the handle portion 113 and the guide projections 294 formed on the outer circumferential surface of the height adjustment bar 292 provided in the handle portion 113 Precise numerical value by synthesizing coordinate information and terrain information, characterized in that the guide groove (295) is inserted into the guide) Even production systems.

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