CN110111672A - A kind of automatic sand table and the method using automatic sand table presentation landform - Google Patents
A kind of automatic sand table and the method using automatic sand table presentation landform Download PDFInfo
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- CN110111672A CN110111672A CN201910347463.8A CN201910347463A CN110111672A CN 110111672 A CN110111672 A CN 110111672A CN 201910347463 A CN201910347463 A CN 201910347463A CN 110111672 A CN110111672 A CN 110111672A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/06—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes for surveying; for geography, e.g. relief models
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Abstract
The present invention relates to a kind of automatic sand table of variable landform and the methods that landform is presented using automatic sand table.The automatic sand table includes pedestal, elevation module, elevation jacking device, horizontal pulling device, LED light, elastic plain cotton fabric and control unit etc. parts, constitutes artificially generated terrain, the landform presented is needed with quick formation.The pedestal is for fixing elevation module, elevation jacking device, plain cotton fabric and support whole device.Elevation module proper alignment in the matrix form, is fixed on the base.Elevation module is made of height bar and positioning device.The outreach of height bar is elevation of the sand table in the point in a certain elevation module.All height bars have one or a set of elevation jacking device to be pushed to corresponding height.Elevation jacking device is made of electric pushrod and push rod position detector, to push the height bar of elevation module to carry out elevation calibration.The present invention can rapidly and accurately show the landform of different scale, meet use needs of the sand table in modern military or non-military operations.
Description
Technical field
The present invention relates to a kind of gound-mapping device, specifically a kind of automatic sand table and the automatic sand table of utilization are presented
The method of landform.
Background technique
Sand table is commander's fight, manoeuvre, speedily carries out rescue work and rescue the important auxiliary tool such as go out.Timely before task is arrived,
Accurately sand table supply is particularly important.However, the used sand in practical work process and during training and exercises
Disk majority is that also had and be made using equipment molding by manually being piled up with sandy soil.The sand table of artificial composting, whens production costs, are taken
Power, and precision is lower；Using the sand table of equipment molding production, precision is high, but its fabrication cycle is long, and cost of manufacture is high, and
And there is also display content is fixed, flexibility is inadequate and it is inconvenient to carry the defects of.Currently, there are also one is line holographic projections sand table,
Display mode is flexible and changeable, but it is not particularly suited for more people in practical applications and crowds around based entirely on the completion of optical image technology
Together, situations such as being given directions, discussed, being explained.So these common sand table manufacturing technologies are difficult to meet modern military or non-
The needs of military operation.
For this purpose, having some patented technologies attempt that this problem is improved or solved, is broadly divided into details display technology
It improves, the virtual sand table of Pure numerical form and entity Dynamic sand table this three categories type.
First seed type is the improvement of display methods, including following patent:
CN201110450462X discloses a kind of touch digital linkage sand table.The invention includes sand table entity and digital linkage
System, digital linkage system include camera and the video frequency collection card that connects with camera, and the industry control to connect therewith calculates
Machine and display screen；In this way, the details of sand table can be shown in display screen by video system.However, such invention only increases
The details of entity sand table is shown, help is had no for the building of sand table itself.
CN2013104316244 discloses a kind of goods electronic sand map system and method.The invention is a kind of goods electronic sand map system,
Display matrix mainly is formed by multiple column display units, with the color and texture of artificially generated terrain and atural object.Although its effect is forced
Very, three-dimensional sense is strong.But control is complicated after all, more demanding for use environment, can not be suitable for adverse circumstances.
Second of type is digital sand table, including following patent:
CN2012101802123 discloses a kind of three-dimensional electronic sand board device, passes through the three-dimensional digit sand table etc. of 3D display screen
Invention relies on 3D projector, 3D glasses etc. and is completed.In fact, such technology is exactly that virtual reality technology makes in sand table
The application in field, makes it in a manner of multimedia signal processing, and display true to nature has the digital sand table of stereoscopic effect, and above-mentioned complete
Breath projection sand table advantage and disadvantage situation is essentially identical.
CN2006100430664 discloses a kind of spatial 3 D sand table.The invention is a kind of based on made of optical fiber combination
3 D sand table shows the 3D voxel image of a spatial distribution using the fiber array of different length on optical fiber output port.
It is the terrain profile formed by array of light spots after all, on sense organ although the sand table can convert shown shape at any time
It greatly differs from each other with entity sand table, it is difficult to apply in practical fields such as military affairs.
Third seed type is entity Dynamic sand table, including following patent:
CN2010102360037 discloses a kind of Dynamic sand table.The invention is by establishing geomorphic unit array and being passed by chain
Dynamic or hydraulicdriven mode makes geomorphic unit go up and down or stretch, and shows the feature of corresponding landform.
CN2015109769911 discloses a kind of 3-dimensional digital sand table standard module, and digital sand can be carried out by being related to one kind
The standard module of disk assembly.By assembled and control sand table module, desired landform or image are shown.
CN2017101493495 discloses a kind of teaching sand table, the teaching sand table include as fixing layer bottom,
The driving mechanisms such as flexible top layer and the multiple oil cylinders, cylinder, the piston that are set between bottom and top layer.Pass through driving
Mechanism drives top layer to carry out concave-convex variation, the fluctuations of artificially generated terrain relative to institute's layer.
But the sand table of above-mentioned three types it is common the problem is that, complicated in mechanical structure is difficult each unit
Size do it is small.Therefore, entire sand table otherwise be exactly that area is very big, otherwise be exactly that geomorphic unit is very little, it is difficult to it is accurate to improve it
Degree.
CN2014102179001 discloses a kind of intelligent sand table based on magnetorheological clay.The invention uses advanced
Magnetic converting technique controls the surface topography of magnetorheological clay by field generator for magnetic, forms sand table.It has good reversibility,
Reusable, the advantages of can constructing and cancel rapidly.But its maximum problem right and wrong is often suitble to the topography gently to rise and fall, for
The simulation less effective of the landform such as steep hills precipice, deep valley.
Summary of the invention
It is an object of the invention to provide a kind of automatic sand table and the methods that landform is presented using automatic sand table, to meet
Sand table in modern military and non-military operations for timeliness, accuracy and in terms of use need.
The present invention is implemented as follows: a kind of automatic sand table, comprising:
Elevation module, including shell, height bar and the positioning mechanism positioned to height bar；The shell is quadrangular
Shape, wherein with core bore up and down；The positioning mechanism is the collision bead clamping mechanism towards core bore being arranged in the housing；
The height bar, which is worn, to be connect in the core bore, be distributed on the body of rod of the height bar as the terrain elevation part in sand table
There are several annular grooves equidistantly arranged, the collision bead is matched with the annular groove, is located in height bar in shell core bore；
Pedestal, for carrying composed elevation module array of closely being arranged by several elevation modules with matrix form；
Elevation jacking device, including electric pushrod and push rod state sensor；The electric pushrod is used for the height that will be positioned above
Height bar in journey module is elected to setting height, and the push rod state sensor is for detecting raising highly for electric pushrod；
Translation mechanism, for pushing elevation jacking device to be moved to the lower section of any elevation module in elevation module array；
LED light is multi-color LED, the upper end of the height bar is arranged in, for showing institute with different bright colors
In height, to form luminous contour with the LED light in other same height；And
Elastic plain cotton fabric, to be covered on the top surface of elevation module array with translucence and elastomeric textile material, to be formed
Ground type on sand table.
The automatic sand table of the present invention further include:
Control unit is electrically connected, for inputting host computer with LED light, electric pushrod, push rod state sensor and translation mechanism
Topographic map information be converted into the point coordinate information of corresponding position on automatic sand table, lean out elevation information and colouring information,
And control elevation jacking device moves to corresponding position accordingly, the height bar in elevation module at the ejection position makes its liter
Corresponding height is played, while color is lighted and lighted to the LED light for controlling height bar upper end；And
Data transmission system, the map datum for sending host computer are converted to the control signal for automatic sand table,
And by the location information of translation mechanism and push rod state sensor push rod extension elongation data transmission detected to control unit,
With for elevation jacking device positioning and elevation module determine height.
Stilt layer is equipped between elevation module array and the pedestal, the elevation jacking device and the translation mechanism are set
It sets in the Stilt layer.
Elevation module array can also be arranged in the support plate of the pedestal, the elevation jacking device and the translation machine
The bottom of the pedestal is arranged in structure, is distributed in the plate face of the support plate of the pedestal and the elevation in elevation module array
The core bore of module through-hole opposing upper and lower.
The elevation jacking device in the present invention can be single body, act solely on an elevation module every time, carry out
The ejection of single module operates.
The elevation jacking device in the present invention can also be to be composed of at least two cell cubes for forming array
Complex acts on the elevation module of corresponding number every time with array manner, carries out the synchronization ejection operation of multiple elevation modules.
When elevation jacking device is moved to the lower section of a certain elevation module in elevation module array, electric pushrod ejection is utilized
The height bar in elevation module at the location point rises to the beautiful due height of topographic map information parameter.And electric pushrod
Lifting heights can accurately reflect the lifting heights of the height bar at this location point in elevation module.Ejection elevation module one by one
Height bar in array in all elevation modules can make all height bars in the elevation module array on chassis reach ground parameter
The beautiful height of number, and inputted topography and geomorphology is shown by height bar ejection elasticity plain cotton fabric, moreover, passing through each height bar
On the difference of LED light light color, the contour of different level can be shown on elastic plain cotton fabric.Control unit is used to connect
Receive the topographic map information of host computer input, and according to elevation module array handle out on map the coordinate, elevation of corresponding points and
The colouring information of LED light controls the rise of the height bar in the elevation module on each position after exporting corresponding control signal
Color is lighted and lighted to height and LED light.
The present invention can be also implemented in this way: a method of landform being presented using automatic sand table, using the automatic sand table of the present invention,
The topographic map information that pre-display is inputted into its control unit, is converted into each elevation mould in elevation module array by control unit
The point coordinate information of block, lean out elevation information and LED light light and colouring information, and under the control of the control unit, by putting down
It moves mechanism urges elevation jacking device and is moved to the lower section of elevation module, the position that is given by elevation jacking device according to control unit,
Highly and information is lighted, the height bar in elevation module at the ejection position rises to height corresponding with control information, together
When control height bar upper end LED light light and light color；Height bar in each elevation module of ejection one by one, makes all high
Degree bar reaches the beautiful height of topographic map information, and then voluntarily ejection elasticity plain cotton fabric shows and inputted for the rise of height bar
Topography and geomorphology, and by the identical contour lighted continuous lines composed by the LED light of color and constitute a certain absolute altitude.
The automatic sand table of the present invention realizes the building of sand table ontology topography and geomorphology using completely new mode, and structure is simple,
It is convenient to use and reconstruct, and can fast and accurately show the different terrain of different scale, meet sand table in modern military or non-army
The thing action of use in to(for) timeliness, accuracy and portability etc. needs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic sand table of the invention.
Fig. 2 is the structural schematic diagram of elevation module.
Fig. 3 is the structural schematic diagram of the positioning mechanism in elevation module.
Fig. 4 is the structural schematic diagram of elevation jacking device Yu translation mechanism mating part.
Fig. 5 is the logic relation picture of the sand dish controls system.
In figure: 1, pedestal, 2, elevation module, 3, LED light, 4, elastic plain cotton fabric, 5, elevation jacking device, 6, shell, 7, height
Bar, 8, spring, 9, collision bead, 10, installation opening, 11, core bore, 13, electric pushrod, 14, push rod state sensor, 15, translation mechanism.
Specific embodiment
As Figure 1 and Figure 4, the automatic sand table of the present invention includes pedestal 1, elevation module 2, LED light 3, elastic plain cotton fabric 4, elevation
The parts such as jacking device 5, translation mechanism 15, control unit and data transmission system.Wherein, conventional monolithic can be used in control unit
Electromechanical road building.Elastic plain cotton fabric 4 is by being covered on elevation module array with translucence and the production forming of elastomeric material
Top surface, periphery is fixed on pedestal 1, when the height bar vertex on elevation module array is located at the position of different height,
The overall profile of topographic map can be formed.
In Fig. 1, pedestal 1 is to be equipped with supporting leg in the bottom of support plate, frame structure is equipped on the supporting plate, to carry height
Journey module array, by several elevation modules, closely arrangement is formed elevation module array in the matrix form.
As shown in Figure 2 and Figure 3, elevation module 2 includes shell 6, height bar 7 and positioning mechanism.The appearance of shell 6 is tetragonous
Cylindricality, wherein with core bore 11 up and down.The positioning mechanism is the collision bead towards core bore inner wall being arranged in shell 6
Clamping mechanism.Collision bead clamping mechanism is that diagonal tilting cross-perforating is provided in shell 6, and 9 He of collision bead is provided in perforation
Spring 8.It is from 10 1 side of installation opening to the one section of blind hole diagonally outputed along the perforation 6 that shell diagonally opens up, this hole location can subtract
The sectional dimension of small shell 6, to improve the setting quantity of sand table elevation module in unit area, with having correspondinglyd increase in sand table
The display precision of shape landforms.Certainly, other mechanical mechanisms with same or like effect can also be used in positioning mechanism.
Height bar 7 is worn and is connect in the core bore 11 of shell 6 as the terrain elevation part in sand table.In the bar of height bar 7
Be distributed on body equidistant several annular grooves arranged up and down (interval of annular groove be actually automatic sand table in the height direction
Resolution ratio).Collision bead 9 in collision bead clamping mechanism is matched with the annular groove on height club shaft, and height bar 7 is made to be located in shell 6
Core bore 11 in.The upper end of height bar 7 is pierced by upwards from the core bore 11 of shell 6, and multicoloured LED light 3 is arranged in height bar 7
Top, and be electrically connected with control unit.According to the difference for the height that height bar rises, control of the LED light 3 in control unit
Under, the light of capable of emitting corresponding color can be clearly seen through translucent elastic plain cotton fabric 4 from the external world.
As shown in figure 4, being equipped with electric pushrod 13 and push rod state sensor 14 in elevation jacking device 5.Electric pushrod 13
Height bar in elevation module for that will be mounted on pedestal 1 is elected to height set by control unit.Push rod state passes
Sensor 14 is used to detect and determine the length (i.e. height bar raise height) of the stretching of electric pushrod 13.Elevation jacking device 5 is set
It sets on translation mechanism 15.Translation mechanism 15 is made of X and the stepper motor of Y-direction with linkage mechanism, is used for elevation
Jacking device 5 moves to the lower section of any elevation module in elevation module array.Under the drive of translation mechanism 15, elevation jacking device
Electric pushrod 13 in 5 implements ejection movement to the height bar 7 in any elevation module.
Elevation jacking device 5 can bounce back electronic after the height bar 7 in one elevation module 2 of ejection reaches setting height
Push rod 13, and under the drive of translation mechanism 15, it moves at the position of next elevation module, continues next height bar
Ejection operation completes the building operation of entire automatic sand table until whole elevation module ejections finish.Translation in the present invention
Mechanism 15 can also be achieved using the spray head mobile mechanism in 3D printer.
Stilt layer can be equipped between elevation module array and pedestal 1, elevation jacking device 5 and the setting of translation mechanism 15 exist
In the Stilt layer, elevation jacking device 5 is made to implement ejection operation in the top surface of pedestal 1.Elevation module array also can be set the bottom of at
In the support plate of seat 1, the bottom of pedestal 1 is arranged in elevation jacking device 5 and translation mechanism 15, in the plate face of the support plate of pedestal 1
On core bore through-hole opposing upper and lower (Fig. 4) with the elevation module in elevation module array is distributed with, make elevation jacking device 5 bottom of at
Implement ejection operation in the bottom surface of seat 1.
Elevation jacking device 5 is under the drive of translation mechanism 15, in the movement of the bottom of elevation module array.When work, band
Height bar 7 in dynamic each elevation module 2 of 5 sequence ejection of elevation jacking device.It thus can be single to control according to host computer
The topographic map information (also known as " digital map information ") of member input, the height bar 7 in each elevation module 2 of ejection one by one, from
And the topography and geomorphology of a complete area is formed on automatic sand table.
In automatic sand table of the invention, elevation jacking device 5 can be single body, act solely on an elevation mould every time
Block carries out the ejection operation of single module；It is also possible to the cell cube being assembled by two or more, is acted on every time with array manner
The elevation module of corresponding number in elevation module array carries out the synchronization ejection operation of multiple elevation modules.And used in the latter
Working time will certainly be greatly decreased.
Control unit is electrically connected with LED light 3, electric pushrod 13, push rod state sensor 14 and translation mechanism 15 respectively, on
Position machine inputs topographic map information (Fig. 5) to control unit by data transmission system, and control unit is converted into information is inputted
Point coordinate information on elevation module array at corresponding position point leans out elevation information and colouring information, and control translation accordingly
Elevation module is moved at a certain position by mechanism, then controls the height bar at the elevation jacking device ejection position in elevation module
7 rise to corresponding height, while color is lighted and lighted to the LED light 3 for controlling height bar 7 upper end.On automatic sand table
On LED light array, the continuous lines composed by same color constitute a contour, and display is visual in image, and is easy to
It differentiates.
Data transmission system is electrically connected with host computer, control unit, translation mechanism and push rod state sensor respectively, is used for
The map datum that host computer is sent is transported to control unit, to be converted to the control signal for automatic sand table, and will
Extension elongation (i.e. 7 quilt of height bar of electric pushrod 13 detected by the location information and push rod state sensor of translation mechanism
The height of jack-up) data be respectively sent to control unit, with for elevation jacking device 5 positioning and elevation module 2 determine height.
Push rod state sensor 14 and data transmission system are electrically connected with control unit, to export push rod state-detection to control unit
Information.Data transmission system can also be and upper by wired serial mode, or by wireless WIFI or bluetooth approach
Machine carries out data exchange.
The energy of the construction work of the entire topography and geomorphology of the automatic sand table of the present invention resets work from power supply
Return can be pressed one by one with manpower, the pressing return operation that hand-held plate carries out multiple height bars can also be used.
The automatic sand table of the present invention when constructing landform, be first by digital map information by wired or wireless mode (
The data mediums such as USB flash disk can be used), it is input in control unit by host computer, control unit is according to corresponding mode, by flat
Telephone-moving structure 14 controls each elevation module 2 of ejection one by one of elevation jacking device 5, height bar 7 therein is raised to corresponding height, together
The LED light 3 on its seasonal top issues the light of corresponding color.In this way, not only enabling entire automatic sand table complete by elastic plain cotton fabric 4
It is whole intuitively to show topography and geomorphology, but also contour is indicated simultaneously.It in case of need, can also be easily
The display scale for changing automatic sand table and electronic map enables automatic sand table to reconstruct in a manner of part " amplification ", with aobvious
Show the local topography and geomorphology after " refinement ".
The method that landform is presented using automatic sand table in the present invention is exactly using the automatic sand table of the present invention, to its control unit
The topographic map information of middle input pre-display, is believed by the point coordinate that control unit is converted into each elevation module in elevation module array
Cease, lean out elevation information and LED light light and colouring information is pushed high and under the control of the control unit by translation mechanism
Journey jacking device is moved to the lower section of elevation module, according to the given position of control unit, height and lights letter by elevation jacking device
It ceases, the height bar in elevation module at the ejection position rises to height corresponding with control information, while controlling height bar
Color is lighted and lighted to the LED light of upper end；Height bar in each elevation module of ejection one by one, makes all height bars reach ground
The beautiful height of shape cartographic information, and then voluntarily ejection elasticity plain cotton fabric shows inputted topography and geomorphology for the rise of height bar,
The continuous lines composed by identical LED for lighting color etc. constitute a contour.
Wherein, elevation jacking device can be single body, acts solely on an elevation module every time, carries out single module
Ejection operation；It is also possible to the complex being composed of at least two cell cubes for forming array, is made every time with array manner
For the elevation module of corresponding number, the synchronization ejection operation of multiple elevation modules is carried out.
Embodiment
If the sectional area of elevation module 2 is 1 × 1cm2If the sectional area of elevation jacking device 5 is 4 × 4cm2, then each elevation
Jacking device is formed by partial array corresponding to 4 × 4=16 elevation modules on sectional area and is formed by area.
If a transverse and longitudinal needs 256 × 200 elevation modules than being 256cm × 200cm for the sand table area of 5:4.
If needing at least to carry out 256 × 200=51200 translations fortune including initial alignment using 1 elevation jacking device
It is dynamic, whole elevation modules could be jacked and (be discussed to simplify in place, do not consider that certain modules that need not be jacked can be with herein
It is directed across, the overall operation time is saved with this).
One 2 × 2 elevation jacking device array is now used, then this integrated elevation jacking device array covers equal
4 × 16 elevation modules of area, and one group of elevation module can be set it to.Then, the elevation module of entire sand table is in cross
To being divided into 256/8=32 group, it is longitudinally divided into 200/8=25 group, shares 32 × 25=800 groups.In each group, need by 16 times
The positioning of elevation jacking device array is mobile, could finish 64 elevation module calibration in group, and then be moved to next group of completion
Calibration.
And so on, which needs elevation jacking device array to carry out 800 × 16=12800 movements altogether, just for using independent
The a quarter of the mobile number of elevation jacking device, the building that can greatly reduce sand table form the time.It is jacked in view of each elevation
Jacking distance of the device on the position positioned is different, so the jacking time is different.It is overall for elevation jacking device array
The jacking time will be determined by jacking time the longest in four jacking devices.
Similarly infer, if the terrain construction time of one sand table will be shorter using more elevation jacking devices.When
So, if each elevation module uses independent elevation jacking device, or carry out integrated treatment, then it is any because that need not carry out
The mechanical translation of elevation jacking device, and it is most short to make sand table generate the time.However, under current technical conditions, such as by elevation top
It rises device and elevation module integrally makes, then its volume is necessarily larger, and " resolution ratio " that form it can is too low, band
The problem come is that more accurate detail content can not be shown on limited sand table area.
Claims (9)
1. a kind of automatic sand table, characterized in that include:
Elevation module, including shell, height bar and the positioning mechanism positioned to height bar；The shell is quadrangular
Shape, wherein with core bore up and down；The positioning mechanism is the collision bead clamping mechanism towards core bore being arranged in the housing；
The height bar, which is worn, to be connect in the core bore, be distributed on the body of rod of the height bar as the terrain elevation part in sand table
There are several annular grooves equidistantly arranged, the collision bead is matched with the annular groove, is located in height bar in shell core bore；
Pedestal, for carrying composed elevation module array of closely being arranged by several elevation modules with matrix form；
Elevation jacking device, including electric pushrod and push rod state sensor；The electric pushrod is used for the height that will be positioned above
Height bar in journey module is elected to setting height, and the push rod state sensor is for detecting raising highly for electric pushrod；
Translation mechanism, for pushing elevation jacking device to be moved to the lower section of any elevation module in elevation module array；
LED light is multi-color LED, the upper end of the height bar is arranged in, for showing institute with different bright colors
In height, to form luminous contour with the LED light in other same height；And
Elastic plain cotton fabric, to be covered on the top surface of elevation module array with translucence and elastomeric textile material, to be formed
Ground type on sand table.
2. automatic sand table according to claim 1, characterized in that further include:
Control unit is electrically connected, for inputting host computer with LED light, electric pushrod, push rod state sensor and translation mechanism
Topographic map information be converted into the point coordinate information of corresponding position on automatic sand table, lean out elevation information and colouring information,
And control elevation jacking device moves to corresponding position accordingly, the height bar in elevation module at the ejection position makes its liter
Corresponding height is played, while color is lighted and lighted to the LED light for controlling height bar upper end；And
Data transmission system, the map datum for sending host computer are converted to the control signal for automatic sand table,
And by the location information of translation mechanism and push rod state sensor push rod extension elongation data transmission detected to control unit.
3. automatic sand table according to claim 1 or 2, characterized in that set between elevation module array and the pedestal
There is Stilt layer, the elevation jacking device and the translation mechanism are arranged in the Stilt layer.
4. automatic sand table according to claim 1 or 2, characterized in that the branch of the pedestal is arranged in elevation module array
On fagging, the bottom of the pedestal is arranged in the elevation jacking device and the translation mechanism, in the support plate of the pedestal
The core bore through-hole opposing upper and lower with the elevation module in elevation module array is distributed in plate face.
5. automatic sand table according to claim 1 or 2, characterized in that the elevation jacking device is single body, every time individually
An elevation module is acted on, the ejection operation of single module is carried out.
6. automatic sand table according to claim 1 or 2, characterized in that the elevation jacking device is by forming array extremely
The complex that few two cell cubes are composed, acts on the elevation module of corresponding number every time with array manner, carries out multiple
The synchronization ejection of elevation module operates.
7. a kind of method that landform is presented using automatic sand table, characterized in that automatic sand table described in claim 1 is utilized, to
The topographic map information that pre-display is inputted in its control unit, is converted into each elevation module in elevation module array by control unit
Point coordinate information, lean out elevation information and LED light light and colouring information, and under the control of the control unit, by translating
Mechanism urges elevation jacking device is moved to the lower section of elevation module, by elevation jacking device according to the given position of control unit, height
Information is spent and lights, the height bar in elevation module at the ejection position rises to height corresponding with control information, simultaneously
Control the LED light of height bar upper end lights and lights color；Height bar in each elevation module of ejection one by one, makes all height
Bar reaches the beautiful height of topographic map information, and then voluntarily ejection elasticity plain cotton fabric shows and inputted for the rise of height bar
Topography and geomorphology, and by the identical contour lighted continuous lines composed by the LED light of color and constitute a certain absolute altitude.
8. the method according to claim 7 that landform is presented using automatic sand table, characterized in that the elevation jacking device is
Single body acts solely on an elevation module every time, carries out the ejection operation of single module.
9. the method according to claim 7 that landform is presented using automatic sand table, characterized in that the elevation jacking device is
The complex that at least two cell cubes by forming array are composed, acts on the elevation of corresponding number every time with array manner
Module carries out the synchronization ejection operation of multiple elevation modules.
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