CN108543304A - A kind of play chess identification circuit of electric go chessboard - Google Patents

A kind of play chess identification circuit of electric go chessboard Download PDF

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Publication number
CN108543304A
CN108543304A CN201810528713.3A CN201810528713A CN108543304A CN 108543304 A CN108543304 A CN 108543304A CN 201810528713 A CN201810528713 A CN 201810528713A CN 108543304 A CN108543304 A CN 108543304A
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circuit
chess
identification
chessboard
chess piece
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CN201810528713.3A
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CN108543304B (en
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周益波
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CETHIK Group Ltd
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CETHIK Group Ltd
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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
    • A63F3/02Chess; Similar board games
    • A63F3/022Recording or reproducing chess 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
    • 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
    • A63F3/00697Playing pieces
    • 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
    • A63F2003/00662Electric board games; Electric features of board games with an electric sensor for playing pieces

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)

Abstract

The invention discloses a kind of play chess identification circuit of electric go chessboard, the play chess identification circuit of electric go chessboard includes:Central control circuit, chess piece recognition control circuit and sensor circuit, chess piece recognition control circuit uses rank scanning circuit reduction integrated circuit structure, and I/O mouthfuls of extensions are realized using one analog switch of multiselect and shift register, optimize circuit resource, improves circuit stability;The characteristic of different manifestations is had under the influence of different materials using LC resonance circuit, realizes fast and accurately chess piece state recognition;One high frequency asymmetrical circuit element of series connection, influences each other at work to avoid LC resonance circuit on each LC resonance circuit, improves the accuracy of chess piece state recognition.

Description

A kind of play chess identification circuit of electric go chessboard
Technical field
The invention belongs to electric go chessboard technical field more particularly to a kind of play chess of electric go chessboard identification electricity Road.
Background technology
Go is a kind of two people's chess game of tactic, and Chinese ancient times claims " playing chess ", west title " Go ".It is popular in East Asia state Family (China, Japan and Korea etc.), belongs to one of " lute-playing, chess, calligraphy and painting " four skill.
Go is played chess using rectangular trellis chessboard and black and white circle chess piece, there is each 19 straight lines in length and breadth on chessboard Chessboard is divided into 361 crosspoints, chess piece is walked on crosspoint, and both sides replace play chess, immovable after beginning, with the more persons of exclosure For victory.Ancient Chinese go is that black and white both sides respectively put two sub (diagonal star layouts) at diagonal championship, leading by white side.It is modern Go is developed by Japan, is eliminated stand rule, after black elder generation is white, is kept the variation of go more complicated and changeable.Go also by It is considered one of Trivial Pursuit Unhinged most complicated in the world.
Man-machine chess and network are carried out in true chessboard currently, having similar electronic chess-plate in the market and can realize The function of playing chess needs chess player to fall chess on electronic chess-plate for opponent, and chess player exists when carrying out man-machine chess or network is played chess Chess crown above and below chessboard, chessboard also can voluntarily carry out chess piece identification, and be uploaded to equipment by recognition result, to keep on chessboard Chess piece state and the chess piece state consistency of equipment of playing chess.
In the prior art, chess piece state recognition mode mainly has following several schemes:
Using the mode of photo resistance, light-sensitive element is installed respectively on 361 chess positions of chessboard, utilizes chess piece when beginning The light of chess position is covered to identify whether to have son, this method is fairly simple, and cost is relatively low, but there are 2 fatal defects:1. It can only identify sub- s.m.p, cannot identify black mole white chessman;2. can be interfered by ambient light, ambient enviroment cannot be too bright, Cannot be too dark, also suffer from the influence of arm shade when chess player plays chess;
Using the mode of magnet, magneto sensor is installed respectively on 361 chess positions of chessboard, the embedded magnet in chess piece, Chess piece state is identified using the south poles of magnet, and this mode can identify black mole white chessman, but also there are fatal defects:1. chess piece Embedded magnet is needed, can be attracted each other between chess piece, and since the magnetic line of force range of magnet is very big, can seriously affect and close on chess The chess piece identification of position, user experience are bad;2. the comparison of coherence for being embedded in the magnet of chess piece is difficult to guarantee, chess piece identification can be influenced Reliability;3. the cost of magneto sensor is relatively high, cause the overall cost of chessboard higher;
Using the mode of RF RF Card Microchips, the RF RF Card Microchips of two kinds of chess pieces of black and white are respectively written into distinctive identification Yard, it is respectively embedded into a RF radio frequency card reader on 361 chess positions on chessboard, RF radio frequency card readers is utilized to read chess piece Distinctive identification code identifies that chess piece state, this mode can realize the identification of black and white, but also with the presence of disadvantage:1.RF radio frequencies Card chip and RF radio frequency card reader costs are excessively high, and the overall cost of chessboard is caused to be substantially increased;2. each chess position insertion one A RF radio frequencies card reader, electric go chessboard surface have 361 chess positions so that the production technology of chessboard entirety becomes very It is complicated.
Invention content
The purpose of the present invention is to provide a kind of play chess identification circuit of electric go chessboard, using resonance circuit characteristic, It realizes fast and accurately chess piece state recognition, simplifies circuit structure by the way of expansion I/O, improve circuit stability, reduce Manufacturing cost.
To achieve the above object, the technical solution adopted in the present invention is:
A kind of play chess identification circuit of electric go chessboard, the play chess identification circuit of the electric go chessboard include:With The central control circuit of equipment of playing chess connection, and it is connected to the chess piece recognition control circuit of the central control circuit, and The sensor circuit being connect with chess piece recognition control circuit, wherein the sensor circuit includes the LC being correspondingly arranged with each chess position Resonance circuit;The chess piece recognition control circuit, including rank scanning circuit and signal processing circuit, the rank scanning circuit Including one analog switch of multiselect and shift register, one analog switch of the multiselect and shift register are used in center control electricity Corresponding LC resonance circuit work in sensor circuit is controlled under the control on road, one analog switch of the multiselect includes that multiple simulations are opened Chip is closed, the shift register includes that multiple strings turn simultaneously chip, and the analog switch chip and string turn and chip reception center The serial signal of control circuit, extension input/output port are connected in sensor circuit corresponding LC resonance circuit;The signal Processing circuit exports sensor circuit for generating high frequency oscillation wave and acting on corresponding LC resonance circuit in sensor circuit The peak value of high frequency oscillation wave handled, export identification information;The central control circuit, for identifying control electricity to chess piece Road output control signal, and the identification information of chess piece recognition control circuit is received, after identification information and set information comparison, to Equipment of playing chess exports chess piece state recognition result.
The present invention has the characteristic of different manifestations using LC resonance circuit under the influence of different materials, realizes quick, accurate True chess piece state recognition.Using rank scanning circuit reduction integrated circuit structure, and the simulation of multiselect one is further used to open It closes and shift register realizes I/O mouthful extensions, to reduce the occupancy to I/O mouthful of central control circuit, optimization center controls electric The utilization of resources on road improves circuit stability, and significantly reduces implementation cost.The present invention is main during chess piece state recognition Introduce high frequency oscillation wave and act on LC resonance circuit, by capture LC resonance circuit output high frequency oscillation wave peak value to Realize the identification of chess piece state, above-mentioned recognition methods is stable, small by external interference, can further promote recognition accuracy.
Further, the LC resonance circuit uses LC antiresonant circuits, and the inductance in LC resonance circuit is plane electricity Sense, the circuit board for being arranged in electric go chessboard correspond to the position of chess position.
Planar inductor is set up directly on the tellite of circuit board, without inductance element is arranged again, the system of having saved Make cost.
Further, each LC resonance circuit is connected a high frequency asymmetrical circuit element, and the high frequency is unidirectionally led Electric device has buffer action, for avoiding adjacent LC resonance circuit from influencing each other.
Since LC resonance circuit is not unilateal conduction, when procession scans, associated LC resonance circuit Between can influence each other, cause the resonant frequency of LC resonance circuit to change, to influence the identification of normal chess piece, therefore to disappear Except drawbacks described above, a high frequency asymmetrical circuit element of connecting in the LC resonance circuit of each chess position, high frequency asymmetrical circuit element Ensure the normal work of resonance circuit for avoiding adjacent LC resonance circuit from influencing each other with buffer action, improve circuit Reliability.
Further, the chess piece includes black mole and white chessman, and black mole and white chessman are connected with the opposite identification material of characteristic, The identification material is connected to chess piece bottom or is embedded in inside chess piece.
Whether identification material can generate induction with the LC resonance circuit in sensor circuit, fallen on chess position to distinguish Son, and the opposite identification material of characteristic to the impact effect of LC resonance circuit on the contrary, to realize to the accurate of black mole and white chessman Identification.
Further, the signal processing circuit includes:
High frequency oscillation circuit, for generating high frequency oscillation wave and acting on corresponding LC resonance circuit in sensor circuit;
Peak detection circuit, the peak value of the high frequency oscillation wave for detecting sensor circuit output;
Subtraction amplification circuit, the peak value of the high frequency oscillation wave for amplifying the peak detection circuit output;
DA conversion circuits, for exporting specific level value to subtraction amplification circuit;
A/D converter circuit, the amplification peak value for exporting subtraction amplification circuit are converted into digital signal, and by the number Signal is exported as identification information to central control circuit.
High frequency oscillation circuit provides signal source input for LC resonance circuit, and captures high frequency using peak detection circuit and shake The peak value for swinging wave, the peak signal captured export after subsequent processing again to central control circuit, can exclude external environment Influence to identification process makes the present invention have higher accuracy to chess piece state recognition.
Further, the central control circuit is established by communication interface and equipment of playing chess and is connected, the communication interface Including at least one of physical communication interface, wifi communication interfaces and bluetooth communication interface communication interface.
Various communication interface effectively increases the suitability of play chess identification circuit.
Further, the chess piece state includes:Black mole, white chessman and s.m.p state;The set information is initially to set The corresponding range digital of fixed and black mole state, range digital corresponding with white chessman state and with s.m.p state pair The range digital answered.
In the play chess identification circuit of electric go chessboard proposed by the present invention, chess piece recognition control circuit uses rank scanning Circuit reduction integrated circuit structure, and I/O mouthfuls of extensions, optimization circuit money are realized using one analog switch of multiselect and shift register Circuit stability is improved in source;External environment is reduced to identification process using signal processing circuit in chess piece recognition control circuit It influences, to improve the accuracy of chess piece state recognition;Different tables are had under the influence of different materials using LC resonance circuit Existing characteristic realizes fast and accurately chess piece state recognition;A high frequency unilateal conduction of connecting on each LC resonance circuit is first Part influences each other at work to avoid LC resonance circuit, improves chess piece state identification circuit of the present invention to chess piece state recognition Accuracy.
Description of the drawings
Fig. 1 is the structure diagram of play chess identification circuit of the embodiment of the present invention;
Fig. 2 is the flow diagram of individual chessman state-detection of the embodiment of the present invention;
Fig. 3 is a kind of embodiment schematic diagram of chess piece identification circuit of the present invention;
Fig. 4 is a kind of embodiment schematic diagram of shift register of the present invention;
Fig. 5 is a kind of embodiment schematic diagram of one analog switch of multiselect of the present invention;
Fig. 6 is the structural schematic diagram of chess piece of the present invention.
Specific implementation mode
Technical solution of the present invention is described in further details with reference to the accompanying drawings and examples, following embodiment is not constituted Limitation of the invention.
As shown in Figure 1, a kind of play chess identification circuit of electric go chessboard, including:During one connect with equipment of playing chess Control circuit is entreated, and is connected to a chess piece recognition control circuit of central control circuit, and control electricity is identified with chess piece One sensor circuit of road connection.
In the present embodiment, sensor circuit includes the LC resonance circuit being correspondingly arranged with each chess position, and LC resonance circuit is used for Chess piece state on induction corresponding chess position;Chess piece recognition control circuit includes:Rank scanning circuit and signal processing circuit, wherein Signal processing circuit includes:High frequency oscillation circuit, peak detection circuit, subtraction amplification circuit, DA conversion circuits and AD conversion Circuit, for generating high frequency oscillation wave and acting on corresponding LC resonance circuit in sensor circuit, and to sensor circuit output The peak value of high frequency oscillation wave is handled, and identification information is exported.
Since the LC resonance circuit in the sensor circuit of the present invention is correspondingly arranged with each chess position, and electric go chessboard is total There is 19*19 chess position, it is therefore desirable to which 361 LC resonance circuits complete the identification of all chess piece states, if each LC resonance The signal processing circuit of circuit is to be independently arranged, then needs 361 high frequency oscillation circuits, 361 subtraction amplification circuits, 361 A peak detection circuit etc. can cause circuit excessively complicated, and circuit stability reduces, with high costs.Therefore, as shown in figure 3, originally Invention controls the state recognition that LC resonance circuit completes all chess pieces using row, column scan mode, and circuit is whole only to need 1 height Frequency oscillating circuit, 1 subtraction amplification circuit, 1 peak detection circuit etc. complete 361 LC resonances by rank scanning circuit The signal of circuit switches, and to significantly simplify circuit, improves circuit stability.
As shown in figure 3, LC resonance circuit uses LC antiresonant circuits, the inductance in LC resonance circuit is planar inductor, The circuit board for being arranged in electric go chessboard corresponds to the position of chess position.Planar inductor is set up directly on the printed circuit base of circuit board On plate, without inductance element is arranged again, cost of manufacture has been saved.Planar inductor and the capacitance composition LC resonance electricity on circuit board Road.Since LC resonance circuit is not unilateal conduction, when procession scans, meeting between associated LC resonance circuit It influences each other, the resonant frequency of LC resonance circuit is caused to change, to influence normal chess piece identification, therefore the present embodiment is Drawbacks described above is eliminated, a high frequency asymmetrical circuit element of connecting in the LC resonance circuit of each chess position, high frequency unilateal conduction member Part has buffer action, for avoiding adjacent LC resonance circuit from influencing each other, ensures the normal work of LC resonance circuit.This reality The high frequency asymmetrical circuit element applied in example uses diode.
The chess piece of the present invention includes black mole and white chessman, and black mole and white chessman are connected with the opposite identification material of characteristic, identification Material is connected to chess piece bottom or is embedded in inside chess piece.As shown in fig. 6, for the structural schematic diagram of the present embodiment chess piece, in figure Upper part arc shape is go chess piece 1, and lower part rectangle is chessboard panel 3, and go chess piece 1 is single convex shape, go chess piece 1 The embedded strip material 2 in bottom is identification material.Bottom is embedded in identification material in chess piece in the present embodiment, and identification material can To be magnetizer matter, when the chess piece of the magnetizer matter with different characteristics is placed on chess position, corresponding plane below chess position Inductance is influenced by magnetizer matter and generates the different of inductance value and change, to change the high frequency oscillation of LC resonance circuit output The peak value of wave, by being used for judging the chess piece state on current chess position to the detection of different peak values.
The central control circuit of the present embodiment for exporting control signal to chess piece recognition control circuit, and receives chess piece The identification information of recognition control circuit, after identification information and set information comparison, to playing chess, equipment exports chess piece state recognition As a result.Wherein, chess piece state includes:Black mole, white chessman and s.m.p state;Set information is initially set and black mole state pair The corresponding range digital of range digital and white chessman state answered and digital signal model corresponding with s.m.p state It encloses.
Equipment of playing chess can be PC machine, mobile phone, tablet computer or other special equipment of playing chess etc., and central control circuit is logical It crosses communication interface and equipment of playing chess is established and connected, which includes that physical communication interface, wifi communication interfaces and bluetooth are logical At least one of communication interface.Physical communication interface can be USB interface, the Ethernet interface of standard, parallel interface, RS232 Serial line interface or other kinds of physical interface.The specific technical bid of each communication modes should all be followed using different communication modes Accurate and communication protocol.
Central control circuit includes programmable control chip and data storage circuitry, and wherein programmable chip is for controlling Chess piece recognition control circuit;Data storage circuitry is for storing configuration parameter and play chess relevant information of electronic chess-plate etc..
Individual chessman condition detection method in the present embodiment is described in detail with reference to Fig. 2:It is assumed that first setting under normal circumstances The corresponding range digital of s.m.p state;The corresponding range digital of setting black mole state is integrally more than s.m.p state pair afterwards The range digital answered;The corresponding range digital of last set white chessman state is integrally less than the corresponding number of s.m.p state Range of signal.Black mole and white chessman are respectively embedded into the opposite identification material of characteristic according to above-mentioned setting so that LC resonance circuit output The peak value of high frequency oscillation wave placing black mole and when white chessman, there is apparent difference, be convenient for detecting and identify.
When on chess position being s.m.p state, high frequency oscillation circuit persistently generates high frequency oscillation wave and acts on LC resonance electricity Road, LC resonance circuit export specific high frequency oscillation wave after generating resonance, and peak detection circuit captures the specific high frequency oscillation Peak value is converted into d. c. voltage signal and exported to subtraction amplification circuit by the peak value of wave, and subtraction amplification circuit is by the straight of reception Stream voltage signal and the specific level value received from DA conversion circuits carry out subtracting each other processing, and will subtract each other resulting value after processing After the fixed multiple of amplification in output to A/D converter circuit, resulting value after amplification is converted to by digital signal by A/D converter circuit, And export to central control circuit, last central control circuit by the digital signal received and the range digital of setting into Row comparison, comparing result meet s.m.p state, i.e., the chess position are labeled as s.m.p state;
When black mole or white chessman fall into chess position, it is embedded in plane of the identification material inside black mole or white chessman to LC resonance circuit Inductance has an impact, to change the resonance point of LC resonance circuit so that the specific high frequency oscillation wave of LC resonance circuit output Peak value change, a digital quantity is obtained by peak detection circuit and subsequent signal processing, if at the digital quantity In the corresponding range digital of black mole state, then the chess position is labeled as having fallen black mole;If the digital quantity is in white chessman state The identification to chess piece state on single chess position is then completed in the chess position by corresponding range digital labeled as white chessman has been fallen.
In the prior art, to chess piece identification circuit frequently with row, column control method, although this method can substantially reduce control I/O mouthfuls of quantity of coremaking piece, but still 38 I/O mouthfuls are at least needed, still there is high requirement to central control circuit, and circuit is steady It is qualitative that there is also certain hidden danger.As shown in figure 3, the present invention is further improved existing chess piece identification circuit control method, The rank scanning circuit of the present invention is made of one analog switch of multiselect and shift register, one analog switch of multiselect and shift LD Device is used to control corresponding LC resonance circuit work, one analog switch of multiselect in sensor circuit under the control of central control circuit Including multiple analog switch chips, shift register includes that multiple strings turn simultaneously chip, and analog switch chip and string turn and chip connects The serial signal of central control circuit is received, extension input/output port is connected in sensor circuit corresponding LC resonance circuit, from And the requirement to central control circuit is reduced, simplify circuit, improves circuit stability.
As shown in Figure 3, Figure 4, column scan circuit is realized using shift register in the present embodiment, and shift register uses three Piece 74HC595 cascades, the 9th pin SDO of upper level are connected to the 14th pin SDI of next stage, and the 11st of three pieces 74HC595 the Pin SRCLK and the 12nd pin RCLK are respectively communicated with, and are connected to two pins that chip is controlled in central control circuit On.When realizing parallel output:The 11st pin SRCLK for controlling three pieces 74HC595 generates a rising edge, by first eight two Ary codes move into first 74HC595, then the 11st pin SRCLK of secondary control generates a rising edge, by second eight two into Code processed moves into first 74HC595, while first eight-digit binary number code is moved into second 74HC595, finally again It controls the 11st pin SRCLK and generates a rising edge, third eight-digit binary number code is moved into first 74HC595, while the Two eight-digit binary number codes are moved into second 74HC595, and first eight-digit binary number code is moved into third piece 74HC595 In, the data write-in of three pieces 74HC595 is completed, a rising edge is generated simultaneously to the 12nd pin RCLK of three pieces 74HC595 later, The data that then the 15th pin of three pieces 74HC595 and the 1st~7 pin parallel output have been moved into are realized and are arranged LC resonance circuit State control.
As shown in figs. 3 and 5, line-scan circuit uses one analog switch of multiselect, one analog switch of multiselect to adopt in the present embodiment It is in parallel with three pieces 74HC4051, and three pieces 74HC4051 is controlled by a piece of shift register 74HC595, use is a piece of 74HC595 controls three pieces 74HC4051, can be further reduced line-scan circuit accounting for the I/O mouths of central control circuit With.Wherein, the serial signal output port of the 14th pin of 74HC595 and central control circuit connects, and the 15th pin, the 1st are drawn Foot and the 2nd pin connect with the address input end of the 11st pin of three pieces 74HC4051, the 10th pin and the 9th pin respectively It connects, the conducting state for controlling 8 output ends in three pieces 74HC4051;The 5th pin of 74HC595 and first The 6th pin of 74HC4051 forbids end connection, the 4th pin of 74HC595 and forbidding for the 6th pin of second 74HC4051 6th pin of end connection, the 3rd pin of 74HC595 and third piece 74HC4051 forbids end to connect, for controlling three pieces respectively Whether 74HC4051 is effective.
It is swept into every trade by taking the 13rd pin of first 74HC4051 that the leftmost side is connected as an example based on above-mentioned connection status Scanning circuit control principle describes:The serial signal output port of central control circuit exports one to the 14th pin of 74HC595 Binary data " 00011000 ", then the 8 of 74HC595 data output end Q0~Q7 is respectively " 00011000 ", i.e. third piece The end input of forbidding of the 6th pin of 74HC4051 is " 1 ", and the end input of forbidding of the 6th pin of second 74HC4051 is " 1 ", The end input of forbidding of the 6th pin of first 74HC4051 is " 0 ", then only having first in three pieces 74HC4051 is in effective shape State, and the address input end input of first 74HC4051 is " 000 ", lowest order line conduction is chosen in expression, and the as the 13rd draws Foot is connected.According to identical conducting principle, you can realize and control the state of LC resonance circuit row.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, without departing substantially from essence of the invention In the case of refreshing and its essence, those skilled in the art make various corresponding changes and change in accordance with the present invention Shape, but these corresponding change and deformations should all belong to the protection domain of appended claims of the invention.

Claims (7)

1. a kind of play chess identification circuit of electric go chessboard, which is characterized in that the play chess identification electricity of the electric go chessboard Road includes:The central control circuit being connect with equipment of playing chess, and it is connected to the chess piece identification control of the central control circuit Circuit, and the sensor circuit that is connect with chess piece recognition control circuit, wherein
The sensor circuit includes the LC resonance circuit being correspondingly arranged with each chess position;
The chess piece recognition control circuit, including rank scanning circuit and signal processing circuit, the rank scanning circuit include One analog switch of multiselect and shift register, one analog switch of the multiselect and shift register are used in central control circuit Corresponding LC resonance circuit work in the lower control sensor circuit of control, one analog switch of the multiselect includes multiple analog switch cores Piece, the shift register include that multiple strings turn simultaneously chip, and the analog switch chip and string turn and chip reception center control The serial signal of circuit, extension input/output port are connected in sensor circuit corresponding LC resonance circuit;The signal processing Circuit is used to generate high frequency oscillation wave and acts on corresponding LC resonance circuit in sensor circuit, and to the height of sensor circuit output The peak value of frequency Sasser is handled, and identification information is exported;
The central control circuit for exporting control signal to chess piece recognition control circuit, and receives chess piece identification control electricity The identification information on road, after identification information and set information comparison, to playing chess, equipment exports chess piece state recognition result.
2. the play chess identification circuit of electric go chessboard as described in claim 1, which is characterized in that the LC resonance circuit is adopted With LC antiresonant circuits, the inductance in LC resonance circuit is planar inductor, and the circuit board for being arranged in electric go chessboard corresponds to The position of chess position.
3. the play chess identification circuit of electric go chessboard as described in claim 1, which is characterized in that each LC resonance electricity Road is connected a high frequency asymmetrical circuit element, and the high frequency asymmetrical circuit element has buffer action, adjacent for avoiding LC resonance circuit influences each other.
4. the play chess identification circuit of electric go chessboard as described in claim 1, which is characterized in that the chess piece includes black mole And white chessman, and black mole and white chessman are connected with the opposite identification material of characteristic, the identification material is connected to chess piece bottom or embedded Inside chess piece.
5. the play chess identification circuit of electric go chessboard as described in claim 1, which is characterized in that the signal processing circuit Including:
High frequency oscillation circuit, for generating high frequency oscillation wave and acting on corresponding LC resonance circuit in sensor circuit;
Peak detection circuit, the peak value of the high frequency oscillation wave for detecting sensor circuit output;
Subtraction amplification circuit, the peak value of the high frequency oscillation wave for amplifying the peak detection circuit output;
DA conversion circuits, for exporting specific level value to subtraction amplification circuit;
A/D converter circuit, the amplification peak value for exporting subtraction amplification circuit are converted into digital signal, and by the digital signal It is exported to central control circuit as identification information.
6. the play chess identification circuit of electric go chessboard as described in claim 1, which is characterized in that the central control circuit It is established and is connected by communication interface and equipment of playing chess, the communication interface includes physical communication interface, wifi communication interfaces and indigo plant At least one of tooth communication interface communication interface.
7. the play chess identification circuit of electric go chessboard as described in claim 1, which is characterized in that the chess piece state packet It includes:Black mole, white chessman and s.m.p state;
The set information is the corresponding range digital of initially set and black mole state, number corresponding with white chessman state Range of signal and range digital corresponding with s.m.p state.
CN201810528713.3A 2018-05-28 2018-05-28 Electronic go board go identification circuit Active CN108543304B (en)

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JP2018038728A (en) * 2016-09-09 2018-03-15 サミー株式会社 Game machine
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GB1348451A (en) * 1972-07-11 1974-03-20 Perm G Uni Im Am Gorkogo Game progress demonstration device
US4082285A (en) * 1976-11-15 1978-04-04 Bathurst David B Electronic chess game
GB2053701A (en) * 1979-06-25 1981-02-11 Scisys W Ltd Electronic chess game
US20150290545A1 (en) * 2003-03-25 2015-10-15 Mq Gaming, Llc Interactive gaming toy
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