CN110721459A - Three-dimensional chessboard - Google Patents

Three-dimensional chessboard Download PDF

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Publication number
CN110721459A
CN110721459A CN201910883292.0A CN201910883292A CN110721459A CN 110721459 A CN110721459 A CN 110721459A CN 201910883292 A CN201910883292 A CN 201910883292A CN 110721459 A CN110721459 A CN 110721459A
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China
Prior art keywords
display
emitting diodes
state
light emitting
focus
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CN201910883292.0A
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Inventor
闵志浩
杨阳
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Nanjing Institute of Mechatronic Technology
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Nanjing Institute of Mechatronic Technology
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Priority to CN201910883292.0A priority Critical patent/CN110721459A/en
Publication of CN110721459A publication Critical patent/CN110721459A/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00Board games; Raffle games
    • A63F3/00173Characteristics of game boards, alone or in relation to supporting structures or playing piece
    • A63F3/00261Details of game boards, e.g. rotatable, slidable or replaceable parts, modular game boards, vertical game boards
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00Board games; Raffle games
    • A63F3/00643Electric board games; Electric features of board games
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00Board games; Raffle games
    • A63F3/00643Electric board games; Electric features of board games
    • A63F2003/00646Electric board games; Electric features of board games with illumination of playing field or playing piece
    • A63F2003/00652Light-emitting diodes

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

The invention provides a three-dimensional chessboard, which is characterized in that a plurality of groups of light-emitting diodes are connected into a plurality of rectangular arrays which are parallel to each other to form a display sheet which is vertical to a control circuit board, and the display state of each light-emitting diode is changed by triggering a button switch on a button keyboard, so that the three-dimensional display of the three-dimensional chessboard is realized. The three-dimensional chessboard is controlled by the single chip microcomputer, the control mode is simple and direct, the reaction speed is high, the power consumption is low, the single chip microcomputer is anti-interference, the operation is stable, the performance is excellent, the design structure is reasonable, the three-dimensional chessboard has the function of expanding programs, can be suitable for most chess intelligence-developing games, and provides more abundant operation space for players.

Description

Three-dimensional chessboard
Technical Field
The invention relates to chess tools, in particular to a three-dimensional chessboard.
Background
The chessboard is one of three elements of chess activities and is a necessary guarantee for playing a chess game. Most of the traditional chessboard are limited to a two-dimensional plane chessboard, the number of changes is small, and the playability is low.
With the development of science and technology, three-dimensional space gradually replaces two-dimensional plane, and it is necessary to provide a three-dimensional chessboard for chess games such as three-dimensional go chess, three-dimensional Chinese checkers and the like, while the mechanical chess playing method adopted by the prior patent products, such as the 'one-dimensional chessboard and the dropping method' (Chinese, publication No. CN106994240A, published Japanese: 2017-08-01) of Zhangongjun, is complicated in manufacturing process and complicated in playing manner.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the three-dimensional chessboard, the three-dimensional chessboard is controlled by the single chip microcomputer, the operation is more stable, the operation is more convenient and faster, and various chess activities can be expanded. The invention specifically adopts the following technical scheme.
First, in order to achieve the above object, a three-dimensional chessboard is provided, which comprises: and the upper surface of the control circuit board is provided with a pin header which is electrically connected with the single chip microcomputer and used for inputting extended data into the single chip microcomputer. The display piece is vertical to the control circuit board and is connected to the upper surface of the control circuit board; the display chip comprises 4 groups of light emitting diodes which are arranged into 4 mutually parallel planar arrays, 4 multiplied by 4 light emitting diodes are arranged in each group, and pins of the light emitting diodes in each group are mutually connected into a rectangular array. The button keyboard is provided with a plurality of button switches on the upper surface, and the button switches are electrically connected with the single chip microcomputer in the control circuit board. The single chip microcomputer is used for executing the following steps: step one, establishing a cache table respectively corresponding to each group of light emitting diode arrays, and setting the cache table to be in an initial state; secondly, respectively switching on loops of all button switches in the button keyboard according to a set button scanning period, judging whether all the button switches are pressed down, and outputting corresponding trigger signals when any button switch is pressed down; thirdly, after receiving the trigger signal of each button switch output by the button keyboard each time, updating the state information corresponding to each light emitting diode in a cache table in the single chip microcomputer according to the trigger signal; and fourthly, sequentially reading the state information corresponding to each light emitting diode stored in the cache table in each scanning display period, outputting a driving signal corresponding to the state information to a pin of the corresponding light emitting diode, and driving the light emitting diode to be switched to a corresponding display state.
Optionally, in the three-dimensional chessboard, the light emitting diodes are red and blue light emitting diodes 3528, each of the light emitting diodes corresponds to an element stored in the cache table, and the element identifies one of 4 kinds of state information corresponding to an off state, a focus state, a red light state, or a blue light state; wherein, the focus state is a state of fast switching red light and blue light.
Optionally, in the three-dimensional chessboard, in each group of the light emitting diode arrays in the display sheet, the negative pins of the light emitting diodes in each horizontal row are respectively bent horizontally, and are sequentially welded and fixed with the bent negative pins of other light emitting diodes in the same row by soldering tin; in each group of light emitting diode arrays in the display sheet, the anode pins of the light emitting diodes in each column in the longitudinal direction are sequentially welded and fixed with the anode pins of other light emitting diodes in the same row by tin welding; and each row of negative electrode pins and each column of positive electrode pins in each group of light-emitting diode arrays in the display sheet are respectively welded on the upper surface of the corresponding interface in the control circuit board, and the singlechip in the control circuit board respectively controls the driving signal which outputs corresponding state information to each interface in the control circuit board to drive the light-emitting diodes on the row and the column corresponding to the interface to be switched to the corresponding display state.
Optionally, in the above three-dimensional chessboard, a scanning display period in the fourth step is at most half of a visual residual time of human eyes.
Optionally, in the above three-dimensional chessboard, a button scanning period in the second step is at most half of the scanning display period.
Optionally, in the three-dimensional chessboard, the button switches of the button keyboard at least include an up direction key, a down direction key, a left direction key, a right direction key, a front direction key, a back direction key, a confirmation key and a cancel key.
Optionally, in the above three-dimensional chessboard, the third step of updating the state information corresponding to each light emitting diode in the cache table in the monolithic computer according to the trigger signal includes: step 301, when a trigger signal corresponding to the up arrow key is obtained, updating an element corresponding to the display focus in the cache table to be an element above an element of the current display focus; when a trigger signal corresponding to a lower arrow key is obtained, updating an element corresponding to a display focus in the cache table to be an element below a current display focus element; when a trigger signal corresponding to the left arrow key is obtained, updating an element corresponding to the display focus in the cache table to be an element on the left of the current display focus element; when a trigger signal corresponding to the right arrow key is obtained, updating an element corresponding to the display focus in the cache table to be an element on the right of the current display focus element; when the trigger signal corresponding to the front arrow key is obtained, updating the elements corresponding to the display focus in the cache table to be the corresponding elements in the previous group of the current display focus elements; when the trigger signal of the corresponding rear arrow key is obtained, updating the element corresponding to the display focus in the cache table to be the corresponding element in the next group of the current display focus element; step 302, alternately updating the element corresponding to the display focus in the cache table to be in a red light state or a blue light state when the trigger signal corresponding to the enter key is obtained each time; step 303, updating the element corresponding to the display focus in the cache table to be in a closed state or a focus state each time the trigger signal corresponding to the cancel key is obtained.
Advantageous effects
The invention connects a plurality of groups of light-emitting diodes into a plurality of mutually parallel rectangular arrays to form a display sheet vertical to the control circuit board, and the display state of each light-emitting diode is changed by triggering the button switch on the button keyboard, thereby realizing the three-dimensional presentation of the three-dimensional chessboard. The three-dimensional chessboard is controlled by the single chip microcomputer, the control mode is simple and direct, the reaction speed is high, the power consumption is low, the single chip microcomputer is anti-interference, the operation is stable, the performance is excellent, the design structure is reasonable, the three-dimensional chessboard has the function of expanding programs, can be suitable for most chess intelligence-developing games, and provides more abundant operation space for players.
Furthermore, the invention adjusts the elements of the display focus in the single chip microcomputer cache table through the button switches which respectively correspond to the upper, lower, left, right, front and back, and replaces the focus elements with the corresponding game party's droppers through the enter key or the cancel key to change the focus elements into the corresponding display state. The key control mode can avoid the problem that the chessboard cannot be used due to the fact that the falling part is omitted and damaged because the falling is realized without an extra mechanical structure. Meanwhile, compared with other mechanical structures, the three-dimensional chessboard can further avoid misoperation caused by false triggering of the mechanical structures during falling, and further ensure smooth playing of chess games.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a three-dimensional chessboard of the invention;
FIG. 2 is a schematic diagram of the circuit operating indicator lights in the control circuit board of the present invention;
FIG. 3 is a schematic diagram of a single chip circuit in the control circuit board of the present invention;
FIG. 4 is a circuit schematic of the button keypad of the control circuit board of the present invention;
fig. 5 is a flow chart of a control method of the three-dimensional chessboard in the invention.
In the drawings, 1 denotes a control circuit board; 11 denotes a pin header; 2 denotes a display sheet; 21 denotes a light emitting diode; 22 denotes a pin; 3 denotes a button keypad; 31 denotes a lead wire; and 32 a push button switch.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 1 is a three-dimensional chessboard according to the invention, comprising:
the control circuit board 1 can be a PCB, the upper surface of the control circuit board is provided with a pin header 11, and the pin header 11 is electrically connected with the singlechip U10 and used for inputting extended data into the singlechip U10;
the display piece 2 is vertical to the control circuit board 1 and is connected to the upper surface of the control circuit board 1; the display sheet 2 comprises 4 groups of light emitting diodes 21 arranged into 4 mutually parallel planar arrays, 4 multiplied by 4 light emitting diodes 21 are arranged in each group, and pins 22 of the light emitting diodes 21 in each group are mutually connected into a rectangular array;
the button keyboard 3 is provided with a plurality of button switches 32 on the upper surface, and the button switches 32 are electrically connected with the single chip microcomputer U10 in the control circuit board 1.
The light emitting diodes 21 are realized by red and blue light emitting diodes 3528, each light emitting diode is a red and blue double-color common cathode diode, each red and blue double-color common cathode diode has three pins, red and blue anodes (anodes) are arranged at two sides, and a red and blue common cathode (cathode) is arranged in the middle; the display sheet is characterized in that the light emitting diodes of each display sheet are transversely connected and longitudinally connected, the transverse connection is that a pin at one end of a shared negative electrode is bent and is simultaneously fixed by welding tin, the display sheet plays a role in conducting electricity, the longitudinal connection is that a pin at one end of a positive electrode is fixed by welding tin, the display sheet plays a role in conducting electricity, and the lower end of the longitudinal connection is fixed by welding tin with the control circuit board, and the display sheet plays a role in conducting electricity. Thus, each of the leds 21 can uniquely correspond to one element stored in the cache table by a set of driving signals of an anode and a cathode, respectively, and the element is identified with one of 4 kinds of state information corresponding to an off state, a focus state, a red light state or a blue light state; and in the focus state, the red light and the blue light are switched and flickered rapidly.
Specifically, in each group of the light emitting diode 21 array in the display sheet 2, the negative pins of the light emitting diodes 21 in each row are respectively bent horizontally, and are sequentially welded and fixed with the bent negative pins of the other light emitting diodes 21 in the same row by soldering;
in each group of the light emitting diode 21 array in the display sheet 2, the positive electrode pins of the light emitting diodes 21 in each column in the longitudinal direction are sequentially welded and fixed with the positive electrode pins of other light emitting diodes 21 in the same row by tin welding;
the negative pins of each row and the positive pins of each column in each group of light emitting diode 21 array in the display sheet 2 are respectively welded on the upper surface of the corresponding interface in the control circuit board 1, and the single chip in the control circuit board 1 respectively controls to output driving signals corresponding to state information to each interface in the control circuit board 1, so as to drive the light emitting diodes 21 on the row and the column corresponding to the interface to be switched to the corresponding display state.
In a typical implementation manner, the single chip microcomputer shown in fig. 3 is a minimum system of the single chip microcomputer, which is composed of a capacitor C2, a capacitor C3, a crystal oscillator Y1 and the single chip microcomputer, and the pin gang CON4 is used for program expansion. The single chip microcomputer is loaded with an initialized program, and when the program is executed, the single chip microcomputer controls the whole three-dimensional keyboard to perform the steps shown in fig. 5:
step one, establishing a cache table respectively corresponding to each group of light emitting diode 21 arrays, and setting the cache table to be in an initial state;
secondly, respectively switching on loops of the button switches 32 in the button keyboard 3 according to a set button scanning period, judging whether the button switches 32 are pressed down, and outputting corresponding trigger signals when any button switch 32 is pressed down;
thirdly, after receiving the trigger signal of each button switch 32 output by the button keyboard 3 each time, updating the state information corresponding to each light emitting diode 21 in the cache table in the single chip microcomputer according to the trigger signal;
and fourthly, sequentially reading the state information corresponding to each light emitting diode 21 stored in the cache table in each scanning display period, outputting a driving signal corresponding to the state information to a pin 22 of the corresponding light emitting diode 21, and driving the light emitting diode 21 to switch to the corresponding display state. The scanning display period is at most half of the residual time of human vision and at least 2 times of the scanning period of the button, so that the human vision is ensured, and the operation of the button can be accurately identified and displayed.
In another implementation, the single chip microcomputer U10 may be STC12C5a60S2, and the circuit structure shown in fig. 2 may further provide POWER of DC5V from the input port POWER to the extended program interface pin CON4, i.e., 11 in fig. 1, and drive the circuit operation indicator D1 to display the extended state.
Referring to fig. 4, the button keypad 3 is connected to the control circuit board 1 through a wire 31, and the button switches 32 provided thereon include at least an up direction key S9, a down direction key S11, a left direction key S14, a right direction key S6, a front direction key S1, a rear direction key S13, a confirm key S10, and a cancel key S2, and other button switches may be provided as the expansion keys. The control circuit board is provided with a DC5V common power supply input port, an extended program interface and a circuit working indicator lamp corresponding to the driving requirement. Therefore, in the third step, the specific step of updating the state information corresponding to each light emitting diode 21 in the buffer table in the single chip according to the trigger signal includes:
step 301, when a trigger signal corresponding to the up arrow key S9 is obtained, updating an element corresponding to the display focus in the cache table to be an element above an element of the current display focus; when a trigger signal corresponding to the down direction key S11 is obtained, updating an element corresponding to the display focus in the cache table to be an element below the current display focus element; when the trigger signal corresponding to the left direction key S14 is obtained, updating the element corresponding to the display focus in the cache table to be an element at the left of the current display focus element; when the trigger signal corresponding to the right direction key S6 is obtained, updating the element corresponding to the display focus in the cache table to be the right element of the current display focus element; when the trigger signal corresponding to the front direction key S1 is obtained, updating the element corresponding to the display focus in the cache table to be the corresponding element in the previous group of the current display focus element; when the trigger signal corresponding to the rear direction key S13 is obtained, updating the element corresponding to the display focus in the cache table to be the corresponding element in the next group of the current display focus element;
step 302, alternately updating the element corresponding to the display focus in the cache table to be in a red light state or a blue light state each time a trigger signal corresponding to the enter key S10 is obtained;
step 303, updating the element corresponding to the display focus in the cache table to be in the off state or the focus state each time the trigger signal corresponding to the cancel key S1 is obtained.
In a typical application scene, when playing chess, the upper, lower, left and right direction keys are pressed to realize the upper, lower, left and right movement of the focus of the chess piece, the fifth direction key is pressed to realize the forward movement of the focus of the chess piece, the sixth direction key is pressed to realize the backward movement of the focus of the chess piece, the confirm key is pressed to realize the pressing of the chessboard at the focus of the chess piece, and the cancel key is pressed to realize the withdrawing of the chess piece at the focus of the chess piece from the chessboard. When the control circuit board 2 is powered on by the POWER supply input port POWER of the DC5V commonly used POWER supply, and the extended program interface pin CON4, namely 11 in FIG. 1, is not connected with the single chip microcomputer program downloading tool, the chessboard works in a state of playing chess basically, and program initialization is carried out. The program is initialized, the singlechip is electrified and initialized, a variable is defined for storing the position information of the focus of the current chess piece, and the variable is defined for storing the state information of each chess piece of the current chessboard; the light-emitting diodes display and scan, and the singlechip scans the on-off states of the light-emitting diodes in sequence according to the state information of each piece of the current chessboard; and the button keyboard scans, the singlechip scans whether each button switch 32 of the button keyboard 3 is pressed or not in sequence, and if the button is pressed, the defined variable is modified according to the pressed button. If the button switch S9 (up direction key), the button switch S11 (down direction key), the button switch S14 (left direction key), the button switch S6 (right direction key), the button switch S1 (fifth direction key) and the button switch S3 (sixth direction key) are detected to be pressed, the variable storing the position information of the focus of the chessmen is modified and is assigned as the position of a chessman in the corresponding direction; if the press of the button switch S10 (enter key) and the button switch S2 (cancel key) is detected, the variables for storing the state information of each chessman on the current chessboard are modified, if the press of the button switch S10 (enter key) is detected, the display state of the light emitting diode at the focus of the current chessman is changed to be on, and if the press of the button switch S2 (cancel key) is detected, the display state of the light emitting diode at the focus of the current chessman is changed to be off.
When the program needs to be expanded:
the extension program interface pin CON4, 11 in FIG. 1, is connected to the personal computer through a single chip program download tool, where:
1, pin: a single chip computer RXD port in the three-dimensional chessboard is connected with a single chip computer program downloading tool TXD end;
and (2) pin: a single chip computer TXD port in the three-dimensional chessboard is connected with a single chip computer program downloading tool RXD end;
and 3, pin: a singlechip grounding port in the three-dimensional chessboard is connected with a GND (ground) end of a singlechip program downloading tool;
4, pin: and a chip VCC port in the three-dimensional chessboard is connected with a chip program download tool VCC end.
After connection, the interaction between the personal computer and the three-dimensional chessboard can be used to realize the downloading of the expansion program, the expansion program can realize more potential functions of the three-dimensional chessboard, the keys of the three-dimensional chessboard and the expansion keys can be used fully and flexibly, and the realization of the function depends on the downloaded program. By downloading different programs, the chessboard can select and realize corresponding functions according to requirements.
Therefore, the invention realizes the display of the three-dimensional chessboard through the array connection relation of a plurality of light emitting diodes, and correspondingly realizes the operations of falling and the like through the single chip microcomputer responding to the trigger signal of the button. The three-dimensional chessboard designed by the invention has the advantages of high reaction speed, low power consumption, anti-interference of a single chip microcomputer, stable operation, excellent performance, reasonable design structure and program expanding function, is mainly suitable for chess intelligence-developing games and provides more abundant thinking space for players.
The above are merely embodiments of the present invention, which are described in detail and with particularity, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are within the scope of the present invention.

Claims (7)

1. A three-dimensional chessboard is characterized in that the chessboard comprises:
the control circuit board (1) is provided with a pin header (11) on the upper surface, the pin header (11) is electrically connected with the single chip microcomputer (U10) and is used for inputting extended data into the single chip microcomputer (U10);
the display piece (2) is perpendicular to the control circuit board (1) and is connected to the upper surface of the control circuit board (1); the display sheet (2) comprises 4 groups of light emitting diodes (21) which are arranged into 4 mutually parallel planar arrays, 4 multiplied by 4 light emitting diodes (21) are arranged in each group, and pins (22) of the light emitting diodes (21) in each group are mutually connected into a rectangular array;
the button keyboard (3) is provided with a plurality of button switches (32) on the upper surface, and the button switches (32) are electrically connected with a single chip microcomputer (U10) in the control circuit board (1);
the single chip microcomputer (U10) is used for executing the following steps:
step one, establishing a cache table respectively corresponding to each group of light-emitting diode (21) arrays, and setting the cache table to be in an initial state;
secondly, respectively switching on loops of each button switch (32) in the button keyboard (3) according to a set button scanning period, judging whether each button switch (32) is pressed down, and outputting a corresponding trigger signal when any button switch (32) is pressed down;
thirdly, after receiving the trigger signal of each button switch (32) output by the button keyboard (3) every time, respectively updating the state information corresponding to each light-emitting diode (21) in a cache table in the single chip microcomputer according to the trigger signal;
and fourthly, sequentially reading the state information corresponding to the light emitting diodes (21) stored in the cache table in each scanning display period, outputting a driving signal corresponding to the state information to pins (22) of the corresponding light emitting diodes (21), and driving the light emitting diodes (21) to be switched to the corresponding display state.
2. The stereoscopic chessboard of claim 1, wherein the light emitting diodes (21) are red-blue light emitting diodes 3528, each of the light emitting diodes (21) respectively corresponding to an element stored in the cache table, the element identifying one of 4 state information corresponding to an off state, a focus state, a red state or a blue state; wherein, the focus state is a state of fast switching red light and blue light.
3. The three-dimensional chessboard according to claim 1, wherein each group of the light emitting diodes (21) array in the display piece (2) is bent horizontally and the negative pins of the light emitting diodes (21) in each horizontal row are respectively bent horizontally and fixed with the bent negative pins of other light emitting diodes (21) in the same row by soldering tin;
in each group of light-emitting diode (21) array in the display sheet (2), the positive pins of the light-emitting diodes (21) in each column in the longitudinal direction are sequentially welded and fixed with the positive pins of other light-emitting diodes (21) in the same row by tin welding;
and each row of negative pins and each column of positive pins in each group of light-emitting diode (21) array in the display sheet (2) are respectively welded on the upper surface of the corresponding interface in the control circuit board (1), and the singlechip in the control circuit board (1) respectively controls to output a driving signal corresponding to state information to each interface in the control circuit board (1) and drives the light-emitting diodes (21) on the row and the column corresponding to the interface to be switched to the corresponding display state.
4. The stereoscopic chessboard of claims 1-3, wherein the scanning in the fourth step shows a period of at most half of the human eye's visual retention time.
5. The stereoscopic chessboard of claims 1-4, wherein the button scan period in the second step is at most half of the scan display period.
6. Three-dimensional chessboard according to claims 1-5, characterized in that the button switches (32) of the button keyboard (3) include at least up direction key (S9), down direction key (S11), left direction key (S14), right direction key (S6), front direction key (S1), back direction key (S13), confirm key (S10) and cancel key (S2).
7. The three-dimensional chessboard according to claim 6, wherein in the third step, the specific step of updating the status information corresponding to each LED (21) in the buffer table in the single chip according to the trigger signal comprises:
step 301, when a trigger signal corresponding to the up arrow key (S9) is obtained, updating an element corresponding to the display focus in the cache table to be an element above the current display focus element; when a trigger signal corresponding to a down direction key (S11) is obtained, updating an element corresponding to a display focus in the cache table to be a lower element of a current display focus element; when a trigger signal corresponding to a left direction key (S14) is obtained, updating an element corresponding to a display focus in the cache table to be an element at the left of the current display focus element; when a trigger signal corresponding to a right direction key (S6) is obtained, updating an element corresponding to a display focus in the cache table to be an element on the right of a current display focus element; when the trigger signal corresponding to the front direction key (S1) is obtained, updating the element corresponding to the display focus in the cache table to be the corresponding element in the previous group of the current display focus element; when the trigger signal corresponding to the rear direction key (S13) is obtained, updating the element corresponding to the display focus in the cache table to be the corresponding element in the next group of the current display focus element;
step 302, alternately updating the element corresponding to the display focus in the cache table to be in a red light state or a blue light state when the trigger signal corresponding to the enter key (S10) is obtained each time;
step 303, updating the element corresponding to the display focus in the cache table to be in the off state or the focus state each time the trigger signal corresponding to the cancel key (S1) is obtained.
CN201910883292.0A 2019-09-18 2019-09-18 Three-dimensional chessboard Pending CN110721459A (en)

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Application publication date: 20200124