CN2456764Y

CN2456764Y - Electronic score screen for sport game

Info

Publication number: CN2456764Y
Application number: CN 01214844
Authority: CN
Inventors: 周洪波
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-05
Filing date: 2001-01-05
Publication date: 2001-10-31
Anticipated expiration: 2011-01-05

Abstract

The utility model discloses an electronic score screen for sport games, which comprises a display screen, a remote control circuit, a remote control receiving circuit, a decoding circuit, a counting circuit and two groups of seven segment digital luminous tubes, wherein the seven segment digital luminous tubes are divided side by side and are fixed to the display screen. Recording scores are coded and modulated by the remote control circuit to be emitted to the remote control receiving circuit for being demodulated and amplified, the scores are transmitted to the decoding circuit to be decoded and are transmitted to the counting circuit after decoded, and then the scores are counted by the counting circuit to output the drive signals so as to drive corresponding seven segment digital luminous tubes to display the scores. The utility model can record competitive scores in a remote control mode, and no people are needed to record. The utility model has flexible and convenient use and is particularly suitable for grass-roots sport matches in general institutions, factories, mines and extensive primary and secondary schools.

Description

A kind of electronic score screen of sports tournament

The utility model relates to a kind of electronic score screen of sports tournament.

General office, factories and miness, particularly vast middle and primary schools, it also all is to adopt chalk to be recorded on the blackboard at present that their sports tournament is kept the score, perhaps keep the score with turning over loose-leaf, these scoring systems are all than more complicated, and the score keeper is usually because the score on the field changes fast and misremembers score or turn over wrong loose-leaf; These matches simultaneously generally all be in the open or narrow and small indoor venue carry out, spectators converge in coming to matches of competition area all around, because of score needs with manually coming record, easel or loose-leaf frame can only be to be placed on the ground high to hang up, therefore converge in competition area spectators all around and be difficult to see the score that is recorded on the blackboard or on the loose-leaf, influenced the sight of spectators nervous dramatic match.

The purpose of this utility model is to provide a kind of portable electronic screen of keeping the score that can long-distance remote control record sports scores in mass sports activities.

For achieving the above object, the utility model comprises display screen, decoding circuit, counting circuit and two group of seven piece of digital luminous tube, two group of seven piece of digital luminous tube separation is fixed on the display screen side by side, it is characterized in that: also comprise remote control circuit and remote-control receiving circuit, the score of writing down is transmitted into remote-control receiving circuit and carries out the demodulation amplification after the remote control circuit coded modulation, being transferred to decoding circuit again deciphers, be transferred to counting circuit after the decoding again, counting circuit is counted the back output drive signal and is driven corresponding seven piece of digital luminous tubes demonstration score.

Also be provided with two light emitting diodes of display ball power on the display screen described in the utility model, light emitting diode is located between two group of seven piece of digital luminous tube; Described every group seven piece of digital luminous tube comprises two seven piece of digital luminous tubes at least.

As to further improvement of the utility model, the coding circuit that connects in the utility model is provided with, the code signal that this coding circuit produces is after triode BG1, the anti-phase amplification of triode BG2, be input to decoding circuit, the load button of the coding circuit that connects in being somebody's turn to do is located on the display screen, can be in the direct button input of display screen match score; And in connect coding circuit input be connected to input row seated connection mouth in addition write down score so that operate with lead-in wire.

The utility model compared with prior art has following advantage: (1) can write down the score of match by the mode of remote control owing to be provided with remote control circuit, need not manually to come record, and easy to operate score simple and that can promptly and accurately write down on the field changes; (2) adopt seven piece of digital luminous tubes to be fixed on display screen and show score, display screen can high be hung on the wall or on other fixtures, and is provided with ball power and shows, makes the spectators that converge in around the competition area can both see in time that the score on showing up changes; (3) this electronic score screen volume is little, in light weight, easy to carry, but and the AC and DC power supply dual-purpose, be particularly suitable in the mass sport match of general office, factories and miness and vast middle and primary schools, using.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the wherein structural representation of an embodiment of the utility model;

Fig. 2 is the circuit theory diagrams in embodiment illustrated in fig. 1.

As shown in Figure 1, the contour structures of present embodiment is a rectangle display screen 1, be used for showing that two group of seven piece of digital luminous tube, 6 separations of score are fixed on the rectangle display screen 1 side by side, every group seven piece of digital luminous tube is made up of two seven piece of digital luminous tubes, between two group of seven piece of digital luminous tube, be provided with two LEDs 1, the LED2 of display ball power, on display screen, also be provided with remote control receiver hole 9 and power switch 10; The display screen volume is little, in light weight, easy to carry, can high high hang on the wall or on other fixtures, makes things convenient for spectators can both see the score of match.

As shown in Figure 2, present embodiment comprises power supply, remote control circuit 2, remote-control receiving circuit 3, decoding circuit 4 and counting circuit 5.The power supply AC and DC is dual-purpose, and wherein the 220V civil power is by the step-down of B1 power transformer, and through the D1-D4 rectification, C1 filtering obtains 12V, perhaps directly uses the 12V battery.12V voltage is supplied with display screen usefulness, and 12V voltage obtains the 5V voltage-stabilized power supply by 7805 three terminal regulator IC1 simultaneously, supplies with other circuit and uses.

Remote control circuit 2 adopts the special-purpose emission of BA5104 infrared ray ic chip 101, the coding of this remote control circuit is finished with six buttons, wherein button S100 is the bistable state operating key, finish the function of display ball power, its corresponding decoding is output as the D pin of decoding circuit, if the D pin is a low level, press button S100 next time, then the D pin rises to high level and self-locking by low level and remains to control signal arrival next time, presses the button S100 for the second time, and then the D pin is just got back to low level; Button S101-S105 is the monostable operating key, wherein button S101, S102 finish the bonus point function, button S103 finishes Protection Counter Functions, button S104, S105 finish and subtract the branch function, the decoding output of their correspondences is the K1-K5 pin of decoding circuit 4, and when pressing wherein arbitrary key, corresponding output rises to high level by low level, be returned to low level when unclamping again, the K1-K5 pin of decoding circuit is low level state at ordinary times.When the special-purpose emission of infrared ray ic chip 101 outer connects the crystal oscillator HT101 of 455KHZ, under the effect of coding control end, can produce code signal and at the carrier frequency code signal of output output 38KHZ, the signal of output passes through the compound amplification of triode BG101, BG102 again, by LED 101 emission infrared signals.In order to improve transmitting power, increase remote control distance, adopt the 4.5V power supply, controllable distance has reached about 25 meters.

The infrared signal of remote control circuit 2 emissions is received by the special-purpose receiver module IC3 of the BA5032 infrared ray in the remote-control receiving circuit 3, through inside amplification, demodulation, outupt coded signal inserts the base stage of triode BG2, inserts decoding circuit 4 from its colelctor electrode after the anti-phase amplification of triode BG2; Decoding circuit comprises the oscillation circuit that BA5204 decoding module IC4, resistance R 5 and capacitor C 7 are formed, and oscillation circuit is connected the B pin of decoding module IC4, and decoding circuit 4 is finished the code signal of input is deciphered, and amplifies the corresponding control signal of output.Wherein the D pin of decoding module IC4 is bistable state output, show with its control possession, when the D pin is low level, the triode BG5 that links to each other with the D pin does not have positive bias to be ended, and triode BG4 is because resistance R 8 provides the positive bias conducting, make the LED 1 that links to each other with triode BG4 bright, display ball is weighed right-hand; When the D pin was high level, triode BG5 conducting made the LED 2 that links to each other with triode BG5 bright, and display ball is weighed at left, and triode BG4 ends because of the inverting function of triode BG3.The K1-K5 pin of decoding module IC4 is monostable output, as long as signal of control end emission, corresponding output just by low level rising level once promptly produces a pulse, utilizes the counting clock of the rising edge of this pulse as counting circuit 5.

The corresponding counting circuit of two group of seven piece of digital luminous tube 5 is identical, in Fig. 2, only show wherein one group of seven corresponding counting circuit of piece of digital luminous tube, this counting circuit comprises two CD40110 counting module IC5, IC6, when the f4 of each counting module pin, when the f6 pin is low level, begin to count and latch, be operate as normal, during high level, do not count.Its f5 pin makes zero for removing, zero clearing during high level, and low level is a counting, realizes automatic clear by C8 to pulse of R6 discharge generation when each energising, by R6 ground connection, R6 is a low level at ordinary times, can not influence counting.The f9 pin of each counting module is the addition input, and the f7 pin is the subtraction input, and the f10 pin is the carry output, and the f11 pin is borrow output.Last count results drives switching tube BG6-BG19 by seven sections outputs of each counting module, and to drive corresponding pen section luminous and show and compare fractional value.

As to further improvement of the utility model, the coding circuit 8 that connects in the utility model is provided with, this coding circuit also adopts BA5104 coding module IC2, the code signal that produces is after triode BG1, the anti-phase amplification of triode BG2, be input to decoding circuit, the load button of the coding circuit 8 that connects in being somebody's turn to do can be located on the display screen, can be in the direct button input of display screen match score; And in connect coding circuit input be connected to input row seated connection mouth X3 in addition write down score so that operate with lead-in wire.

Claims

1, a kind of electronic score screen of sports tournament, comprise display screen (1), decoding circuit (4), counting circuit (5) and two group of seven piece of digital luminous tube (6), two group of seven piece of digital luminous tube separation is fixed on the display screen side by side, it is characterized in that: also comprise remote control circuit (2) and remote-control receiving circuit (3), the score of writing down is transmitted into remote-control receiving circuit (3) and carries out the demodulation amplification after remote control circuit (2) coded modulation, being transferred to decoding circuit (4) again deciphers, be transferred to counting circuit (5) after the decoding again, counting circuit is counted the back output drive signal and is driven corresponding seven piece of digital luminous tubes (6) demonstration score.

2, the electronic score of sports tournament according to claim 1 screen, it is characterized in that: also be provided with two light emitting diodes (LED1, LED2) of display ball power on the described display screen (1), light emitting diode is located between two group of seven piece of digital luminous tube.

3, the display screen that is used to write down sports scores according to claim 1 is characterized in that: described every group seven piece of digital luminous tube comprises two seven piece of digital luminous tubes (6) at least.

4, the electronic score of sports tournament according to claim 1 screen, it is characterized in that: the coding circuit that connects in being provided with (8), the code signal that this coding circuit produces is after triode (BG1), the anti-phase amplification of triode (BG2), be input to decoding circuit (4), the load button of this coding circuit (8) is located on the display screen, can directly import the match score at display screen.

5, the electronic score of sports tournament according to claim 4 screen is characterized in that: the input that connects coding circuit in described is connected to input row seated connection mouth (X3) in addition, so that write down score with the lead-in wire operation.