KR102493359B1 - Numerical map data updating system with combination drawing image ang gps information - Google Patents

Abstract

The present invention relates to a numerical map updating system which synthesizes and reflects drawing images and GPS information in real time. The numerical map updating system periodically captures a specific area and updates image information for the relevant area at any time to upgrade geographical information of the specific area in real time, and simultaneously captures images of terrains and structures in the front, rear, left, and right directions of the relevant area. To prevent errors in the image information, a plurality of cameras is mounted on an upper portion of an imaging device. Even in the event of vibration or shock transmitted through the inside and outside of the imaging device, the system can prevent the plurality of cameras from being shaken or vibrated, thereby synthesizing and reflecting accurate image information and GPS coordinate information in real time.

Description

Digital map update system that synthesizes and reflects drawing images and GPS information in real time {NUMERICAL MAP DATA UPDATING SYSTEM WITH COMBINATION DRAWING IMAGE ANG GPS INFORMATION}

The present invention relates to a digital map updating system that synthesizes and reflects drawing images and GPS information in real time. It can be upgraded in real time, and images of landmarks in the front, rear, left, and right directions of the area are simultaneously taken, but multiple cameras are mounted on the top of the recording device to prevent errors in image information, and shocks such as vibration transmitted through the inside and outside of the recording device It relates to a digital map update system that synthesizes and reflects accurate video images and GPS coordinate information in real time by preventing shaking and shaking of multiple cameras.

Usually, digital maps based on 3D image information are produced from images collected through aerial and ground-based photography, and the collected images are completed as a complete integral image through interconnection between neighboring images, and are used exclusively online 3 Dimensional image information is completed as a digital map, and various GIS information is stored in this digital map.

However, in the conventional ground shooting, in order to update the image information of the area after taking a picture, a worker periodically visits the area, checks what changes have occurred in the terrain feature in the area, and shoots the changed terrain feature. By doing so, it was possible to obtain correction information and upgrade the digital map through this. However, this method was cumbersome and required a lot of time, labor, and capital because it required visiting many areas one by one.

In the end, due to this reason, a lot of cost was required to produce the digital map, and many problems occurred in upgrading the digital map for the location.

Therefore, the need for a system that can accurately upgrade the digital map at low cost and high efficiency by frequently obtaining accurate images of various angles for the area has been raised, and a photographing device that operates stably even in adverse environments has been required.

The present invention has been made to solve the above-mentioned problems of the prior art, and it is possible to quickly and precisely upgrade a digital map at low cost and high efficiency by acquiring images of a corresponding area from time to time, and upgrading a digital map regardless of the environment. Its purpose is to provide a digital map update system that synthesizes and reflects drawing images and GPS information capable of performing tasks in real time.

In addition, since a plurality of cameras are collectively installed on the upper part of the photographing device, the present invention can obtain video images on four sides at the same time with one photographing, while preventing errors in the image according to the arrangement position of the cameras, and the photographing height of the plurality of cameras. It is another object of the present invention to provide a system capable of accurately updating a digital map by enabling easy adjustment and obtaining precise image information by attenuating vibrations generated from inside and outside of a photographing device.

The present invention for solving the above problems is, the reference station 100 for receiving the current position value from the GPS satellite (G) and wirelessly transmitting the GPS correction value by mutually calculating the current position value and the stored absolute value; A lower body 210, an elevating device 220, an upper body 230, a sliding ball (SB), a first rotating device 240, a power transmission mechanism 250, and a plurality of cameras 400 ) mounted on the terrestrial camera 1000, a temperature sensor TS, a heater device HA, a transmitting/receiving device 290, a control unit CU, and an input/output unit ID. 200); and a receiver 310 for receiving a video image captured by the photographing device 200 and a position signal of the photographing device, and a digital map generator 320 for upgrading a digital map through the photographed image from the receiver 310. A digital map making machine 320: including, but the control unit (CU), the cylinder 221 of the lifting device 220, the driving device 242 of the first rotating device 240, the transmitting and receiving device 290 , While operating and controlling the rotation unit 600, the position of the ground camera 1000 is confirmed using the GPS correction value received from the reference station 100, and the video images taken by the plurality of cameras 400 are captured by the digital map production center ( 300), and periodically rotates the upper body 230 so that the plurality of cameras 400 of the ground camera 1000 installed on the upper body 230 take pictures of the surrounding terrain features, , The digital map maker 320 stores existing video images and upgrades the existing video images to video images collected by the camera 400 of the ground camera 100. A video image DB 321: Camera ( 400) Drawing image DB 322 for storing drawing images based on the collected video images: Image editing module 323 for synthesizing and editing a plurality of video images: Synthesizing GPS coordinates with video images or drawing images A coordinate synthesis module 324 for creating a drawing image based on the video image: a video drawing module 325 for creating a drawing image, and the terrestrial camera 1000 absorbs vibration installed on top of the upper body 230 plate 600; A support rod 700 installed by being inserted into the vibration absorbing plate 600; a rotation unit 800 installed on the support rod 700 and adjusting horizontal photographing angles of the first camera 410 to the fourth camera 440; and a camera housing 500 installed on the support rod 700, in which four cameras of the first camera 410 to the fourth camera 440 are interposed and disposed. Silver, the lower housing panel 530 installed on the support rod 700, the support pillar 540 installed on the lower housing panel 530, and the housing cover installed at the end of the support pillar 540 ( 510), and a central housing panel 520 spaced apart from and installed between the housing cover 510 and the lower housing panel 530, and the first camera 410 and the second camera 420 are provided with a lower housing panel. The third camera 430 and the fourth camera 440 are inserted and disposed between the central housing panel 520 and the housing cover 510, , The first camera 410 is disposed toward the front, the second camera 420 is disposed toward the right room, the third camera 430 is disposed toward the left room, and the fourth camera 440 is disposed toward the right room. Disposed toward the rear, the first camera 410 and the fourth camera 440 are inserted and disposed between two support guides 550, and the second camera 420 and the third camera 430 are placed on a support pillar. 540 and the support guide 550, the first camera 410 to the fourth camera 440 each have a 'ㅗ'-shaped rail 450 at the lower part, and the lower plate housing The panel 530 or the cross section formed on the upper end of the central housing panel 520 is detachably coupled along the 'ㅗ' shaped rail groove 580, and the central housing panel 520 on which the fourth camera 440 is disposed. A first support spring 570 is formed between the lower end of the ) and the lower housing panel 530 and between the third camera 430 and the lower housing panel 530, respectively, and the support rod 700 is a vibration absorbing plate. It is inserted into the seating groove 630 of the 600 and fixed, and the support rod 700 inserted into the vibration absorbing plate 600 is attached to a plurality of rings 650. The plurality of rings 650 are connected to the ring support 640 extending to the side panel 620 of the vibration absorbing plate, and between the ring support 640 and the lower panel 610 of the vibration absorbing plate, a second A support spring 660 is disposed, and the lower panel 610 and the side panel 620 of the vibration absorbing plate 600 are formed of an elastic body, and a drawing image and GPS information are synthesized and reflected in real time. A map update system is provided.

In addition, in the present invention, the plurality of lifting devices 220, the cylinder 221 installed in the lower body 210: the rod 222 installed to be able to move up and down in the cylinder 221: the upper part of the rod 222 The piston 223 is provided on, and the inner surface is rounded and a rotary ball insertion groove 223a is formed at the top and is opened upward, and is seated on the upper plate of the lower body 210: the rotary ball insertion groove of the piston 223 ( It is preferable to have a rotating ball 224 rotatably installed in 223a).

In the present invention, the upper main body 230, the seating portion 231 seated on the rotating ball 224 of the lifting device 220: provided on the upper portion of the seating portion 231, the circumferential portion is narrower toward the top An inclined surface 232a is formed, and a plurality of slide ball insertion grooves 232b are provided along the inclined surface 232a: a rotating body insertion groove 233a provided in the center and opened downward And, it is preferable to have an insertion portion 233 having a plurality of locking grooves 233b formed along the longitudinal direction of the rotating body insertion groove 233a and communicating with the rotating body insertion groove 233a.

In the present invention, the first rotating device 240, one end is seated in the center of the upper plate of the upper body 230, the other end is inserted into the rotation body insertion groove (233a) of the upper body insertion portion 233, the upper circumference The rotating body 241 having a moving body insertion groove 241a opened to the outside of the portion: It is preferable to have a driving device 242 installed in the lower body 210 to rotate the rotating body 241.

In the present invention, the power transmission mechanism 250 has a movable body body 251a movably inserted into the movable body insertion groove 241a of the first rotating device rotating body 241, one side is rounded and the front and rear surfaces are flat A mobile body 251 having a locking body 251b inserted into and detached from the locking groove 233b of the upper body insertion portion 233: the moving body 251 installed in the moving body insertion groove 241a of the rotating body 241 It is preferable to provide a tanbalji elastic body 252 to the outside.

According to the present invention as described above, by periodically photographing a specific region, it is possible to update the video image of the region at any time, so that the geographic information of the specific region can be upgraded in real time, and the photographing device exposed to the outside can be used under adverse conditions. It is possible to operate normally even in the weather environment, and it is possible to safely protect the photographing device from the external environment, so that there is an effect of stably obtaining a video image for the area.

In addition, according to the present invention, images of features in the front, rear, left, and right directions of the corresponding area are simultaneously photographed, a plurality of cameras are mounted in one area of the upper part of the photographing device to prevent errors in image information, and information transmitted through the inside and outside of the photographing device It has the effect of synthesizing accurate video images and GPS coordinate information in four directions and reflecting them on the digital map in real time by preventing shaking and shaking of multiple cameras even in shocks such as vibration.

1 is a block diagram of a digital map updating system according to the present invention;
2 is a cross-sectional view of a photographing device included in the digital map update system of the present invention.
Figure 3 is an enlarged view showing part A of Figure 2;
4 is an enlarged view showing part B of FIG. 2;
5 is an exemplary view of a power transmission mechanism movable body provided in the numerical map update system of the present invention.
6 and 7 are exemplary diagrams of a terrestrial camera provided in the digital map updating system of the present invention.
8 is an exemplary view of a camera mounted on a terrestrial camera equipped with a digital map update system according to the present invention;
9 is an exemplary view of a lower housing panel of a camera housing of a terrestrial camera equipped with a digital map updating system according to the present invention.
10 is an exemplary view of a vibration absorption unit of a terrestrial camera equipped with a digital map update system according to the present invention.
11 is a cross-sectional view of a support rod, a ring, and a ring support included in a ground camera equipped with a digital map updating system according to the present invention.
12 and 13 are exemplary diagrams illustrating a case in which a photographing device of the digital map update system of the present invention is fixed on the ground and mounted in a vehicle and operated.
14 and 15 are exemplary diagrams for explaining an operating state of a photographing device included in the digital map updating system of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention, so various alternatives can be made at the time of this application. It should be understood that there may be equivalents and variations.

1 is a block diagram of a digital map update system of the present invention, FIG. 2 is a cross-sectional view of a photographing device provided in the digital map update system of the present invention, and FIG. 3 is an enlarged view showing part A of FIG. 2, FIG. 4 is an enlarged view showing part B of FIG. 2, and FIG. 5 is an exemplary view of a power transmission mechanism movable body provided in the digital map update system of the present invention. First, referring to FIGS. 1 to 5, structural features of the present invention are described. Take a look:

A digital map updating system that synthesizes and reflects drawing images and GPS information in real time according to the present invention includes a reference station 100, a photographing device 200, and a digital map production center 300 as main components.

The reference station 100 includes a GPS antenna 111, a GPS receiver 110 that receives a position value from a GPS satellite G, and a current position value received from the GPS receiver 110 and stored absolute values. It consists of a control unit 120 that mutually calculates the value and outputs a GPS correction value, and a DGPS transmitter 130 equipped with a DGPS antenna 131 to receive the GPS correction value from the control unit 120 and wirelessly transmit it to the outside. can

In the present invention, the GPS correction value (i.e., position value) calculated through the control unit 120 of the reference station 100 is transmitted to the DGPS transmitter 130, and through the DGPS antenna 131 connected to the DGPS transmitter 130. It is wirelessly transmitted to the DGPS antenna 291a of the photographing device 200 to be described later.

The photographing device 200 includes a lower body 210, an elevating device 220, an upper body 230, a sliding ball SB, a first rotating device 240, and a power transmission mechanism 250. Including a terrestrial camera 1000 equipped with a plurality of cameras 400, a temperature sensor, a heater device HA, a transceiver 290, a control unit CU, and an input/output unit ID can be configured.

The lower body 210 has a cylindrical shape, has a receiving portion 211 therein, and has a plurality of first through-holes 212 vertically penetrating the upper portion and a second through-hole 213 penetrating the upper central portion. ) is formed. At this time, the shape of the lower body 210 may be variously modified, such as a square column.

The lifting device 220 includes a cylinder 221 installed in the lower body 210, a rod 222 installed in the cylinder 221, a piston 223 installed in the rod 222, and a piston ( It may be configured to include a rotating ball 224 installed in 223.

The cylinder 221 is installed in the receiving part 211 of the lower body 210, and a conventional cylinder device using hydraulic pressure or pneumatic pressure may be used, and the rod 222 moves up and down in the cylinder 221. Possibly installed, the upper end is movably inserted into the first through hole 212 of the lower body 210.

The piston 223 is installed on top of the rod 222 and is seated on the top plate of the lower body 210. At this time, a rotary ball insertion groove 223a is formed on the upper plate of the piston 223, and the rotary ball insertion groove 223a is opened upward to have a semicircular inner surface. The rotating ball 224 is rotatably inserted into the rotating ball insertion groove 223a of the piston 223, and the upper body 230 is seated thereon. On the other hand, in order to stably elevate the upper body 230, the elevating device 220 is preferably installed a plurality of mutually opposed.

The upper body 230 has a tubular shape and has a seating portion 231 seated on the upper portion of the rotating ball 224 of the lifting device, an inclined portion 232 provided on the upper portion of the seating portion 231, and a central portion An insertion part 233 is formed, and a terrestrial camera installation part 234 is installed on the top.

The inclined portion 232 is provided on the upper portion of the seating portion 231 and has an inclined surface 232a that is inclined so that the width of the circumferential portion becomes narrower upward, and a plurality of slide ball insertion grooves formed along the inclined surface 232a ( 232b). The insertion portion 233 is formed in the center of the upper body 230 and is opened downward, and the rotating body insertion groove 233a is formed along the longitudinal direction on the inner surface and communicates with the rotating body insertion groove 233a. Equipped with a locking groove (233b) of.

The ground camera installation unit 234 may have an installation groove formed at an upper end of the upper body 230 and a support provided in the installation groove, and the ground camera 1000 may be mounted on the support.

The sliding ball (SB) is provided with a plurality, and is rotatably inserted into the sliding ball insertion groove (232b) of the upper body inclined portion (232b).

The first rotating device 240 may include a rotating body 241 inserted into the insertion portion 233 of the upper body 230 and a driving device 242 that drives the rotating body 241 .

The rotating body 241 has a moving body insertion groove 241a opened to the outside on the upper circumference, while one end is rotatably seated on the upper plate of the upper body 230, and the other end is the upper body insertion portion ( 233) is inserted into the rotation body insertion groove 233a. At this time, it is preferable that the rotating body 241 form a cylindrical or polygonal column shape.

The driving device 242 is installed inside the lower body 210, and through the driving shaft 242a connected to the rotating body 241 through the second through hole 213 of the lower body 210, the rotating body ( 241) rotate. At this time, as the driving device 242, a power device such as a motor may be used.

The power transmission mechanism 250 may include a moving body 251 installed in the moving body insertion groove 241a of the first rotating device rotating body 241, and an elastic body 252 for elastically supporting the moving body 251. can

The movable body 251 includes a movable body 251a movably inserted into the movable body insertion groove 241a of the rotating body 241 and a locking body 251b protruding from the movable body 251a. And the locking body (251b) is inserted into the locking groove (233b) of the upper body insertion portion (233) with one side rounded and the front and rear surfaces formed flat. At this time, the locking body 251b has one side rounded so that it does not interfere with the movement when the upper body 230 moves up and down, and the front and rear surfaces are flat, so that the driving force of the first rotating device 240 is applied to the upper body 230. By transmitting, the upper body 230 is rotatable. The elastic body 252 is installed in the moving body insertion groove 241a of the rotating body 241 and elastically supports the moving body 251 outward.

The terrestrial camera 1000 has a housing to mount a plurality of cameras 400, and is installed on a support of the upper body terrestrial camera installation unit 234. Also, according to the needs of the invention, a motor may be provided under the support of the ground camera installation unit 234 to raise or lower the support of the ground camera installation unit 234 . Meanwhile, the rotation unit 800 for rotating the plurality of cameras 400 is installed on the support rod 700 of the camera, and a power device such as a rotation motor may be applied.

The temperature sensor (not shown) may be installed on the upper part of the upper body 230, and may perform a function of detecting the ambient temperature of the camera 400 and outputting a temperature detection signal to the control unit (CU). there is.

The heater device HA is installed in the hot air device HA1 installed in the installation groove 234b of the upper body terrestrial camera installation unit 234 and the hot air device HA1 to blow hot air towards the ground camera 1000. It may be provided with a nozzle (HA2) for discharging, and at this time, the hot air device (HA1) has a heat source and a fan, and performs a function of discharging hot air.

The transceiver 290 includes a DGPS receiver 291 equipped with a DGPS antenna 291a to receive a GPS correction value from the DGPS transmitter 130 of the reference station 100, and a GPS satellite equipped with a GPS antenna 292a. A GPS receiver 292 receiving a current location value from (G) and a transmitter 293 transmitting an image from the terrestrial camera 1000 and a current location signal may be provided.

The control unit (CU) includes the cylinder 221 of the lifting device 220, the driving device 242 of the first rotating device 240, the temperature sensor, the motor of the ground camera installation unit 234 support, and the rotation unit 800. ), heater device (HA), transmission/reception device 290, input/output unit (ID), etc. are operated and controlled. At this time, the control unit CU checks the precise position of the photographing device 200 through precise position calculation of the GPS antenna 292a using the GPS correction value received from the DGPS receiver 291, and captures the image of the multiple cameras 400. The video image is transmitted to the digital map production center (300).

In addition, the control unit (CU) has a built-in timer function, and periodically rotates the upper body 230 clockwise or counterclockwise according to a predetermined time, so that a plurality of cameras 400 can view surrounding terrain features. Let's shoot without fail.

In addition, the control unit (CU), when receiving a temperature detection signal indicating that the ambient temperature is lower than the set temperature from the temperature sensor, drives the heater device (HA) to emit hot air to the camera (400). At this time, the control unit CU may perform a function of stopping driving of the heater device HA when receiving a temperature detection signal indicating that the ambient temperature is higher than the set temperature from the temperature sensor.

The input/output unit (ID) inputs a control signal capable of operating each component to the control unit (CU), and displays the operating state of each component.

On the other hand, the digital map production center 300 has a receiver 310 that receives a captured video image and a location signal of the photographing device from the photographing device 200, and upgrades the digital map through the photographed image from the receiver 310. A digital map maker 320 may be provided.

The digital map maker 320 includes a video image DB 321 for storing video images collected by the camera 400, a drawing image DB 322 for storing drawing images based on the video images, and a plurality of An image editing module 323 that synthesizes and edits video images, a coordinate synthesis module 324 that synthesizes GPS coordinates with video images or drawing images, and a video drawing module 325 that creates drawing images based on video images. ), an input/output module 327 that outputs video images and drawing images and generates and inputs input signals for the operation of the digital map maker 320, and specific geographic and topographical information based on GIS (Geographic Information System) and an information linking module 326 for linking to a drawing image to create a digital map in which related information can be output when the user clicks the corresponding information of the digital map.

The video image DB 321 stores existing video images and performs a function of upgrading the existing video images to video images collected by the camera 400 of the photographing device 200 .

The image editing module 323 connects and edits a plurality of video images in each direction collected from the plurality of cameras 400 to complete a single video image, and adjusts size and resolution to connect different video images. processing proceeds. A general graphic editing application may be applied to the image editing module 323, and a program capable of outputting and editing a 3D video image may be applied.

The coordinate synthesizing module 324 synthesizes GPS coordinates with video images or drawing images, and typically synthesizes coordinates based on reference points displayed in video images or drawing images. The reference point is displayed in the process of creating a video image or drawing image, and the display method may be a natural display method through photographing or an artificial display method through drawing.

The video drawing module 325 creates a drawing image that is the background of a digital map by performing drawing work based on the video image. An application of a method of recording on a computer may be applied.

The information link module 327 links various information recorded in the GIS system to the corresponding point of the drawing image so that the linked information can be output when the user clicks the corresponding point. displays an object to be linked to specific information of the GIS system in the drawing image as an object image in the drawing image creation process.

The completed numerical map is output through the input/output module 326.

6 and 7 are exemplary diagrams of a terrestrial camera provided in the digital map updating system of the present invention.

As described above, in the present invention, a plurality of cameras 400 are mounted on an upper area of the photographing device 200 to collect error-free image data, and to simultaneously capture images in the front, rear, left, and right directions of the photographing device 200. It functions to enable, and functions to acquire precise video images without blind spots for surrounding landmarks using at least four cameras. At least four cameras 400 may be mounted on the terrestrial camera 1000 .

The terrestrial camera 1000 of the present invention includes a vibration absorbing plate 600 installed on the upper part of the support of the terrestrial camera installation unit 234, a support rod 700 installed by being inserted into the vibration absorbing plate 600, A rotation unit 800 installed on the support rod 700 to rotate and adjust horizontal photographing angles of the first camera 410 to the fourth camera 440 of the terrestrial camera 1000, and the support rod It is installed on the upper part of the 700, and may include a camera housing 500 in which four cameras of the first camera 410 to the fourth camera 440 are inserted and disposed.

The vibration absorbing plate 600 absorbs vibration transmitted from the inside and outside of the photographing device 200 to prevent shooting errors due to shaking of the camera 400, and the lower panel 610 of the vibration absorbing plate 600 ) and the side panels 620 are formed of an elastic body.

The end of the support rod 700 is inserted and fixed into the seating groove 630 formed in the vibration absorbing plate 600. At this time, the support rod 700 inserted into the vibration absorbing plate 600 is fitted into a plurality of rings 650, and the plurality of rings 650 are ring supports extending to the side panels 620 of the vibration absorbing plate ( 640), and a second support spring 660 is disposed between the annular support 640 and the lower panel 610 of the vibration absorbing plate to minimize vibration transmitted from the inside and outside of the photographing device 200.

The rotation unit 800 is mounted in the central region of the support rod 700 and rotates the camera housing of the terrestrial camera using a rotation motor to adjust the horizontal shooting angle of the first camera 410 to the fourth camera 440. perform a regulating function.

The support rod 700 serves to support the camera housing 500 .

The camera housing 500 includes a lower housing panel 530 installed on a support rod 700, a support column 540 installed on the lower housing panel 530, and an end of the support column 540. It has a housing cover 510 installed on the housing cover 510 and a central housing panel 520 spaced apart from each other and installed between the housing cover 510 and the lower housing panel 530 .

The central housing panel 520 is preferably smaller than the length of the lower housing panel 530, and also preferably smaller than the area of the lower housing panel 530.

And, as can be seen in FIG. 6 , the area partitioned by the lower housing panel 530, the central housing panel 520, and the housing cover 510 may be formed in four.

Here, the support pillar 540 extends upward from the central portion of the lower housing panel 530 and is inserted into and bound to the support pillar hole 590 formed in the central portion of the central housing panel 520, and is supported. An upper portion of the pillar 540 may be formed with a male screw, and a lower portion of the housing cover 510 may be formed with a female screw and coupled thereto.

Meanwhile, four cameras 400 may be inserted and disposed in four areas partitioned by the lower housing panel 530, the central housing panel 520, and the housing cover 510. The first camera 410 and The second camera 420 is inserted between the lower housing panel 530 and the central housing panel 520, and the third camera 430 and the fourth camera 440 are disposed between the central housing panel 520 and the housing cover. (510) can be inserted and disposed between.

That is, the first camera 410 is disposed toward the front of the photographing apparatus 200, the second camera 420 is disposed toward the right side of the photographing apparatus 200, and the third camera 430 is disposed toward the right side of the photographing apparatus 200. The fourth camera 440 is disposed toward the left side of the device 200, and the fourth camera 440 is disposed toward the rear of the photographing device 200, and simultaneously captures the road and road surroundings on both sides of the photographing device 200 in real time. be able to shoot.

In addition, the arrangement of each camera according to the present invention is advantageous in that it is not necessary to adjust the angle of the camera in the front, rear, left, and rear directions of the photographing device 200 because it is possible to simultaneously capture images or images in the front, rear, left, and right directions of the photographing device. In addition, since the four cameras are not separately disposed in the front, rear, left room, and right room of the photographing device, but attached to one area of the upper part of the photographing device, video images or video information according to the installation interval of the cameras This has the advantage of preventing gaps or errors from occurring.

The first camera 410 and the fourth camera 440 may be inserted between the two support guides 550, and the second camera 420 and the third camera 430 may be connected to the support pillar 540. It may be inserted and disposed between the support guides 550 . That is, the second camera 420 and the third camera 430 are inserted and disposed by one support guide 550, and the support pillar 540 plays the same role as the support guide in terms of its arrangement.

The support guide 550 assists in the accurate insertion and placement of each camera and at the same time performs a function to prevent minute shaking of each camera, is formed longer than the length of each camera, and may be formed of a rubber material. .

Meanwhile, as can be seen in FIGS. 6 and 7 , the front part of the third camera 430 is not supported by the central housing panel 520 due to the arrangement of the third camera 430 and the fourth camera 440. Alternatively, the lower end of the central housing panel 520 located on the front side of the fourth camera 440 is weakly supported by the second camera 420 .

Therefore, in the present invention, between the bottom of the central housing panel 520 where the fourth camera 440 is disposed and the lower housing panel 530 and between the third camera 430 and the lower housing panel 530, the first The support spring 570 is disposed to reinforce the support force and rigidity of the entire camera housing 500 .

The lower housing panel 530, the support column 540, the housing cover 510, and the central housing panel 520 of the camera housing 500 are each made of aluminum (Al) as a base material, and iron (Fe) 1.3 to 2.2% by weight, titanium (Ti) 0.8 to 1.6% by weight, nickel (Ni) 0.7 to 1.4% by weight, silicon (Si) 6.0 to 9.0% by weight, silver (Ag) 0.5 to 1.3% by weight or less, manganese (Mn ) 0.3 to 1.0% by weight, magnesium (Mg) 0.4 to 0.7% by weight, zinc (Zn) 0.03 to 0.12% by weight, tin (Sn) 0.02 to 0.06% by weight, zirconium (Zr) 0.01 to 0.04% by weight, yttrium (Y ) under 0.02 to 0.05 wt% and 0.01 to 0.07 wt% of scandium (Sc).

When the camera housing 500 is formed with the above aluminum alloy composition, strength and fatigue properties can be significantly improved compared to existing aluminum alloys, it can withstand high temperature and high pressure well, and elongation during molding is excellent, so workability is improved. . That is, the high rigidity and durability of the camera housing 500 are ensured, and the influence of external temperature and wind pressure can be minimized when the photographing device is moved or fixed.

8 is an exemplary view of a camera mounted on a terrestrial camera equipped with a digital map updating system of the present invention, and FIG. 9 is an exemplary view of a lower housing panel of a camera housing of a terrestrial camera equipped with a digital map updating system of the present invention.

As can be seen in FIG. 9 , each of the first camera 410 to the fourth camera 440 includes a rail 450 having a 'S' shape at the bottom thereof. In addition, as can be seen in FIG. 8 , cross-sections of 'S'-shaped rail grooves 580 are formed at the upper ends of the lower housing panel 530 and the central housing panel 520 of the present invention.

Therefore, the first camera 410 to the fourth camera 440 each have a 'ㅗ'-shaped rail 450 at the bottom, and the top of the lower housing panel 530 or the central housing panel 520. Its cross section formed in can be easily coupled detachably along the 'ㅗ' shaped rail groove 580.

On the other hand, the rail 450 of the camera, in mass%, Al: 4.3% or more and less than 5.8%, Fe: 1.1% or more and less than 2.7%, Si: 0.21% or more and less than 0.57%, O: 0.04% or more and less than 0.34% It can be formed into a titanium alloy member having a hardened layer in which oxygen is dissolved and having a Vickers hardness of 300 to 400 HV or more at a depth of 15 to 20 μm from the surface on the surface layer of a titanium alloy base material composed of titanium, the balance of which is titanium. there is.

When the rail 450 is formed of the titanium alloy member as described above, it has wear resistance, fatigue strength, and high strength that exceed those of conventional titanium alloys, and is relatively light and easy to process. Therefore, it is suitable as a sliding type rail member and the manufacturing cost It also has the advantage of being cheaper.

10 is an exemplary view of a vibration absorption unit of a ground camera equipped with a digital map updating system of the present invention, and FIG. 11 is a cross-sectional view of a support rod, a ring, and a ring support included in a ground camera equipped with a digital map updating system of the present invention. to be.

The support rod 700 is inserted into the seating groove 630 of the vibration absorbing plate 600 and fixed, and the support rod 700 inserted into the vibration absorbing plate 600 is fitted into a plurality of rings 650 , The plurality of rings 650 are connected to the ring support 640 extending to the side panel 620 of the vibration absorbing plate, and the second support spring is between the ring support 640 and the lower panel 610 of the vibration absorbing plate. 660 is placed.

The seating groove 630 has a groove so that the end of the support rod 700 can be seated and inserted therein, and the lower part of the support rod 700 is configured to fit into the upper portion of the seating groove 630. The ring 650 is formed in the shape of an octagon with one side open in cross section, and the support rod 700 is inserted into it.

The second support spring 660 is installed between the ring support 640 and the lower panel 610, and supports the ring support 640 as well as attenuates vehicle vibration transmitted from the lower panel 610 and the like. Do it. The second support spring 660 may be formed in a form in which a spring is inserted into a cylindrical plastic column according to the needs of the invention.

Meanwhile, the lower panel 610 and the side panels 620 of the vibration absorption plate 600 are formed of an elastic body. The elastic body forming the lower panel 610 and the side panels 620 is a mixed rubber formed of 60 to 80% by weight of natural rubber and 20 to 40% by weight of ethylene propylene diene rubber (EPDM). Based on 100 parts by weight, 30 to 90 parts by weight of carbon black including 70 to 85% by weight of the first carbon black having an average particle diameter of 45 nm to 55 nm and 15 to 30% by weight of the second carbon black having an average particle diameter of 15 nm to 30 nm, and dicumyl peroxide 2.1 as a curing agent to 3.7 parts by weight, diorthotolyl guanidine or diphenyl guanidine as an accelerator, 0.4 to 1.8 parts by weight, diphenylamine (4,4'-bis(α,α-dimethylbenzyl) diphenylamine as an antioxidant) ) or an elastomer composition containing 0.8 to 7 parts by weight of octylated diphenylamines.

As described above, the lower panel 610 and the side panels 620 are formed by forming an elastic body that simultaneously satisfies heat resistance and abrasion resistance as well as elastic restoring force by applying particulate carbon black having high tensile strength and abrasion resistance, from inside and outside the vehicle. In addition to absorbing the transmitted vibration, it can help to support and improve durability of components inside the vibration absorbing plate 600.

The ring 650 may be formed of a general rubber material, but may also be formed of an elastic body composition applied to the lower panel 610 and the side panel 620 according to the needs of the invention.

12 and 13 are exemplary diagrams illustrating a case in which the photographing device provided in the digital map update system of the present invention is fixed to the ground and is mounted and operated in a vehicle.

According to the present invention, by periodically photographing a specific area with significant changes in topographical features and updating a video image of the corresponding area at any time, the geographic information and digital map of the specific area can be upgraded in real time.

Referring to FIG. 2 , the photographing device 200 may be configured to be easily moved by having a moving wheel 900 at the bottom thereof. In addition, in order to firmly fix the photographing device 200, fixing hooks 910 are provided at both lower ends of the photographing device 200, and fixation can be maintained by driving the fixing hooks 910 into the ground at the shooting point.

However, in order to prevent the fixing hook 910 from interfering with the movement of the photographing device 200, a hook fixing line 930 is provided so that the hook fixing line 930 does not move the hook downward when the photographing device is moved. can be fixed

On the other hand, the photographing device 200 of the present invention may be mounted on the vehicle C and acquire a video image by photographing surrounding landmarks while driving the vehicle. To this end, the vehicle C is provided on both sides of the loading compartment. A first buffer panel 950 and a second buffer panel 960 may be provided to prevent the photographing apparatus 200 from shaking.

Furthermore, the vehicle C has a hook insertion fixing part 940 at the bottom of the loading compartment so that the hook 910 of the photographing device 200 can be inserted into and fixed to the hook insertion fixing part 940, Even while driving the vehicle, it is possible to assist in obtaining a precise video image by maintaining a solid fixation of the photographing device.

As described above, according to the present invention, images of features in the front, rear, left, and right directions of the corresponding area are simultaneously taken, but a plurality of cameras are mounted in one area of the upper part of the photographing device to prevent errors in image information, and the inside and outside of the photographing device 200 is captured. It has the advantage of being able to synthesize accurate video images and GPS coordinate information in four directions and reflect them on the digital map in real time by preventing vibration and shaking of multiple cameras even in shocks such as vibration transmitted through the system.

14 and 15 are exemplary diagrams for explaining the operating state of the photographing device provided in the digital map updating system of the present invention, and the operating state of the present invention will be described with reference to Figs. 14 and 15.

First of all, the photographing device 200 may be installed as shown in FIG. 12 in a place where the terrain feature changes frequently or needs to periodically check the change of the terrain feature.

At this time, the operator drives the lifting device 220 as shown in FIG. 14 to move the upper body 230 up and down to adjust the height position of the camera 400 .

Here, when the upper body 230 moves upward, as shown in FIG. 15, the movable body 241 of the power transmission mechanism 250 is separated from the locking groove 233b of the upper body insertion part 233, and the first rotation It is inserted into the movable body insertion groove 241a of the device rotating body 241 and is not hindered by the movable body 241.

Thereafter, the operator may control the motor of the support of the ground camera mount 234 and the rotation motor of the rotation unit 800 to adjust the elevation and horizontal shooting angle of the plurality of cameras 400 .

In addition, the worker sets the control unit (CU) so that the temperature sensor measures the ambient temperature, and the first rotating device 240 periodically rotates the upper body 230 so that the camera 400 can to be photographed periodically.

Meanwhile, when the camera 400 shoots as described above, the captured video image is transmitted to the receiver 310 of the digital map production center 300, and the video image DB 321 of the digital map maker 320 is located in the corresponding area. Updates the video image for the new video image.

After the video image update operation, the geographic information of the corresponding region is upgraded through the digital map maker 320 .

Meanwhile, since the photographing device 200 is exposed to the outside, it is sensitive to low temperatures, and if the surroundings of the photographing device 200 are continuously at a low temperature, the photographing device 200 may not operate normally.

However, in the case of the present invention, when the ambient temperature of the photographing device 200 decreases, the temperature sensor outputs a temperature detection signal to the control unit CU, and the control unit CU that receives the temperature sensor outputs the temperature detection signal to the heater unit HA. The hot air device HA1 is driven to emit hot air around the photographing device 200 . Therefore, the ambient temperature of the photographing device 200 rises, and as a result, the photographing device 200 can operate normally.

In addition, since the photographing device 200 is exposed to the outside, it is easily damaged by birds and other animals. However, in the case of the present invention, when a bird approaches and tries to sit on the top of the photographing device 200, the sliding ball (SB) rotates to prevent the bird from sitting on the photographing device 200 so that the camera photographing is not disturbed. can do.

Although the present invention has been described in relation to specific embodiments of the present invention, this is only an example and the present invention is not limited thereto. Those skilled in the art to which the present invention belongs may change or modify the described embodiments without departing from the scope of the present invention, and within the scope of equivalents of the technical spirit of the present invention and the claims to be described below Many modifications and variations are possible.

100: reference station 110: GPS receiver
120: control unit 130: DGPS transmitter
200: photographing device 210: lower body
220: lifting device 230: upper body
240: first rotation device 250: power transmission mechanism
280: detection sensor 290: transceiver
300: digital map production center 310: receiver
320: digital map maker CU: control unit
400: camera 410: first camera
420: second camera 430: third camera
440: fourth camera 450: rail
500: camera housing 510: housing cover
520: central housing panel 530: lower housing panel
540: support pillar 550: support guide
570: first support spring 580: rail groove
590: support pillar hole 600: vibration absorption plate
610: lower panel 620: side panel
630: seating groove 640: ring support
650: ring 660: second support spring
700: support rod 800: rotating part
900: moving wheel 910: fixed hook
920: hook rotation shaft 930: hook fixing line
940: hook insertion fixing part 950: first buffer panel
960: second buffer panel 1000: ground camera
HA: Heater ID: I/O unit

Claims (1)

a reference station 100 that receives a current position value from a GPS satellite (G), interoperates the current position value and the stored absolute value, and wirelessly transmits a GPS correction value;
A lower body 210, an elevating device 220, an upper body 230, a sliding ball (SB), a first rotating device 240, a power transmission mechanism 250, and a plurality of cameras 400 ) mounted on the terrestrial camera 1000, a temperature sensor TS, a heater device HA, a transmitting/receiving device 290, a control unit CU, and an input/output unit ID. 200); and
A receiver 310 for receiving a video image captured by the photographing device 200 and a position signal of the photographing device, and a digital map maker 320 for upgrading a digital map through a photographed image from the receiver 310 Numerical mapping machine 320: Including,
The control unit (CU) operates and controls the cylinder 221 of the lifting device 220, the driving device 242 of the first rotation device 240, the transmission/reception device 290, and the rotating unit 600, while The location of the terrestrial camera 1000 is confirmed using the GPS correction value received from the station 100, and video images captured by the multiple cameras 400 are transmitted to the digital map production center 300, and the upper body 230 is periodically sent. ) is rotated so that the plurality of cameras 400 provided in the terrestrial camera 1000 installed on the upper part of the upper body 230 take pictures of surrounding terrain features,
The digital map maker 320 stores existing video images and upgrades the existing video images to video images collected by the camera 400 of the ground camera 100. A video image DB 321: camera 400 ) Drawing image DB 322 for storing drawing images based on the collected video images: Image editing module 323 for synthesizing and editing a plurality of video images: Synthesizing GPS coordinates with video images or drawing images Coordinate synthesis module 324: Provided with a video drawing module 325: for creating a drawing image based on the video image,
The terrestrial camera 1000,
A vibration absorbing plate 600 installed on top of the upper body 230; a support rod 700 installed by being inserted into the vibration absorbing plate 600; a rotation unit 800 installed on the support rod 700 and adjusting horizontal photographing angles of the first camera 410 to the fourth camera 440; And a camera housing 500 installed on the support rod 700, in which four cameras of the first camera 410 to the fourth camera 440 are inserted and disposed, respectively,
The camera housing 500,
A lower housing panel 530 installed on the support rod 700, a support column 540 installed on the lower housing panel 530, and a housing cover 510 installed at an end of the support column 540 And, a central housing panel 520 spaced apart and installed between the housing cover 510 and the lower housing panel 530,
The first camera 410 and the second camera 420 are inserted between the lower housing panel 530 and the central housing panel 520, and the third camera 430 and the fourth camera 440 are disposed in the center. It is inserted and disposed between the housing panel 520 and the housing cover 510,
The first camera 410 is disposed toward the front, the second camera 420 is disposed toward the right room, the third camera 430 is disposed toward the left room, and the fourth camera 440 is disposed toward the rear. , the first camera 410 and the fourth camera 440 are inserted between the two support guides 550, and the second camera 420 and the third camera 430 are supported by a support pillar ( 540) and is inserted between the support guide 550,
Each of the first camera 410 to the fourth camera 440 has a rail 450 in the shape of 'Y' in cross section at the bottom thereof, and is formed at the top of the lower housing panel 530 or the central housing panel 520. Its cross section is detachably coupled along the 'ㅗ' shaped rail groove 580,
First support springs 570 are provided between the bottom of the central housing panel 520 where the fourth camera 440 is disposed and between the lower housing panel 530 and between the third camera 430 and the lower housing panel 530, respectively. is formed,
The support rod 700,
It is inserted and fixed into the seating groove 630 of the vibration absorbing plate 600, the support rod 700 inserted into the vibration absorbing plate 600 is fitted into a plurality of rings 650, and the plurality of rings 650 It is connected to an annular support 640 extending to the side panel 620 of the vibration absorbing plate, and a second support spring 660 is disposed between the annular support 640 and the lower panel 610 of the vibration absorbing plate. The lower panel 610 and the side panel 620 of the vibration absorption plate 600 are formed of an elastic body. A digital map update system that synthesizes and reflects drawing images and GPS information in real time.

Images