A kind of controller of traffic arrow guide plate
Technical field
The utility model relates to the traffic safety apparatus field, particularly relates to a kind of controller of traffic arrow guide plate.
Background technology
Traffic arrow guide plate is a classification in the traffic safety product, is mainly used in the engineering construction place caution car or the pedestrian that passes by on one's way and notices that men working is dangerous, as indicated direction running or advance; This product is on through lanes such as highway, through street, town road, national highway, provincial highway, Ordinary Rd; Construction operations such as local or interim engineering construction, road cleaning, highway maintenance need; Indication driver or pedestrian traffic; Promotion has a good transport and communication network, and avoids traffic accident and the mishap generation.
Traffic arrow guide plate generally is installed on engineering truck the place ahead or rear or roof position, by solar electric power supply system or carrier vehicle power supply is provided, and docks at construction section or the place ahead, place, and according to the degree of construction situation, distance is placed in adjustment.The conventional distance of placing is in the job location beyond 100 meters.
General traffic lights guide plate is all controlled through controller, and the control mode of existing traffic guide plate is to control with fork shift formula switch, and generally have following problem: 1: the controller volume is excessive, manipulates inconvenience; 2: cause the circuit of traffic lights optimal design to make that the LED lamp plate wiring of guide plate itself is complicated owing to the design of controller is unexcellent; 3: the indication of controller figure is complicated, back panel wiring is loaded down with trivial details; 4: the controller surface can not show the situation of moving, such as flicker pattern, electric weight power, brightness, auto-manual pattern etc.; 5: the flicker pattern of control is less.
Therefore, to the problem that exists in the prior art, needing badly provides a kind of light and handy, easy for operation,
Make the circuit of optimal design make that the LED lamp plate wiring of guide plate itself is simple, the indication of controller surface is clear; The controller surface energy shows the situation of moving: such as flicker pattern, electric weight power, brightness, auto-manual pattern etc.; The flicker pattern of control is many; Can regulate the controller of traffic arrow guide plate of the brightness etc. of LED lamp according to the luminance brightness situation of natural light.
Summary of the invention
The purpose of the utility model is to avoid weak point of the prior art and controller that a kind of traffic arrow guide plate is provided, and the controller of this traffic arrow guide plate is light and handy, and is easy for operation; The circuit of optimal design makes that the LED lamp plate wiring of guide plate itself is simple, and the indication of controller surface is clear; The controller surface energy shows the situation of moving: such as flicker pattern, electric weight power, brightness, auto-manual pattern etc.; The flicker pattern of control is many; Can regulate the brightness of LED lamp according to the luminance brightness situation of natural light.
The purpose of the utility model realizes through following technical measures.
A kind of controller of traffic arrow guide plate is provided; Comprise shell, be arranged at the control panel and the drive plate that is connected with said control panel of enclosure; Also be provided with LED arrow indicator panel and button indicating bit on the said shell; Said control panel also is connected with optical inductor; Said control panel comprises MCU circuit unit, communication interface unit, push-button unit, shift-register circuit unit, MCU burning interface unit and power circuit unit, and said drive plate comprises LED interface unit, led drive circuit unit and LED unit;
The input control end of said communication interface unit, push-button unit, shift-register circuit unit all is connected with the MCU circuit unit with MCU burning interface unit;
Said communication interface unit, push-button unit, shift-register circuit unit, MCU burning interface unit all are connected with said power circuit unit with the power end of MCU circuit unit, LED interface unit, led drive circuit unit and LED unit;
The control output end of said shift-register circuit unit is connected with the input end of said led drive circuit unit; The output terminal of said led drive circuit unit is connected with the input end of said LED interface unit, and the output terminal of said LED interface unit is connected with said LED unit.
Preferably, said button indicating bit comprises that button indicating bit Back is retreated in electric power starting button indicating bit ON, power-off button indicating bit OFF, flicker model selection, model selection forward key indicating bit Next and brightness switching key indicating bit Bright glimmer; Said shell also is provided with the electric weight display screen.
Preferably; Said communication interface unit comprises communication chip U5, communication interface J10, resistance R 70, resistance R 71, resistance R 72 and diode D11, and the 1st pin of J10 connects power supply ground, and the 2nd pin of J10 connects the 6th pin of R70 one end, R71 one end and U5; The 3rd pin of J10 connects the 7th pin of the R71 other end, R72 one end and U5; It is anodal that the 4th pin of J10 connects D11, and the 8th pin of D11 negative pole, the R70 other end and U5 all is connected power supply+5V, and the R72 other end connects power supply ground.
Preferably, said MCU circuit unit comprises single-chip microcomputer U4, and the 11st pin of U4 connects the 1st pin of U5; The 12nd pin of U4 connects the 4th pin of U5; The 13rd pin of U4 connects the 2nd pin and the 3rd pin of U5, and the 15th pin of U4 connects power supply 3.3_MCU, and the 5th pin of U4 connects power supply ground.
Preferably, said shift-register circuit unit comprises shift register U1, shift register U2 and shift register U3, and the 8th pin of U1, U2 and U3 all is connected power supply ground; The 9th pin of U1 connects the 14th pin of U2, and the 10th pin of U1 all is connected power supply+5V with the 16th pin, and the 11st pin of U1 and U2 all is connected the 20th pin of U4; The 12nd pin of U1 and U2 all is connected the 19th pin of U4; The 13rd pin of U1 and U2 all is connected the 18th pin of U4, and the 14th pin of U1 connects the 14th pin of U4, and the 15th pin of U1 and U2 is all unsettled; The 10th pin of U2 all is connected power supply+5V with the 16th pin; The 10th pin of U3 all is connected power supply+5V with the 16th pin, and the 9th pin of U2, the 6th pin and the 7th pin are all unsettled, and the 9th pin of U3 is unsettled;
The 11st pin of U3 connects the 3rd pin of U4, and the 12nd pin of U3 connects the 2nd pin of U4, and the 13rd pin of U3 connects the 18th pin of U4, and the 14th pin of U3 connects the 1st pin of U4.
Preferably; Said push-button unit comprises that the 2nd pin of the first button SW1, the second button SW2, the 3rd button SW3, the 4th button SW4, the 5th button SW5, resistance R 53, resistance R 54, resistance R 55, resistance R 56 and resistance R 57, the first button SW1 is connected the 10th pin and R53 one end of U1 with the 3rd pin;
The 2nd pin of the second button SW2 is connected the 9th pin and R54 one end of U1 with the 3rd pin;
The 2nd pin of the 3rd button SW3 is connected the 8th pin and R56 one end of U1 with the 3rd pin;
The 2nd pin of the 4th button SW4 is connected the 7th pin and R55 one end of U1 with the 3rd pin;
The 2nd pin of the 5th button SW5 is connected the 6th pin and R57 one end of U1 with the 3rd pin;
The R53 other end, the R54 other end, the R55 other end, the R56 other end and the R57 other end all are connected power supply+3.3V;
The 1st pin of the first button SW1 all is connected power supply ground with the 4th pin; The second button SW 2 the 1st pin all is connected power supply ground with the 4th pin; The 3rd button SW3 the 1st pin all is connected power supply ground with the 4th pin; The 4th button SW4 the 1st pin all is connected power supply ground with the 4th pin, and the 5th button SW5 the 1st pin all is connected power supply ground with the 4th pin.
Preferably, said led drive circuit unit comprises triode Q1, triode Q2, triode Q3, triode Q4, triode Q5, triode Q6, triode Q7, triode Q8, triode Q9, triode Q10, triode Q11, triode Q12, triode Q13, triode Q14, triode Q15, triode Q16, triode Q17, triode Q18, triode Q19, triode Q20, triode Q21, triode Q22, triode Q23, triode Q24, triode Q25, triode Q26, triode Q27, triode Q28, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16, resistance R 17, resistance R 18, resistance R 19, resistance R 20, resistance R 21, resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, resistance R 29, resistance R 30, resistance R 31, resistance R 32, resistance R 33, resistance R 34, resistance R 35, resistance R 36, resistance R 37, resistance R 38, resistance R 39, resistance R 40, resistance R 41, resistance R 42, resistance R 43, resistance R 44, resistance R 45, resistance R 46, resistance R 47, resistance R 48, resistance R 49, resistance R 50, resistance R 51;
R1 one end connects U1 the 7th pin, and R4 one end connects the 6th pin of U1, and R7 one end connects the 5th pin of U1, and R10 one end connects the 4th pin of U1; R13 one end connects the 3rd pin of U1, and R16 one end connects the 2nd pin of U1, and R19 one end connects the 1st pin of U1, and R19 one end connects the 1st pin of U1; R19 one end connects the 1st pin of U1, and R22 one end connects the 15th pin of U3, and R27 one end connects the 5th pin of U2, and R31 one end connects the 4th pin of U2; R34 one end connects the 3rd pin of U2, and R37 one end connects the 2nd pin of U2, and R41 one end connects the 1st pin of U2, and R45 one end connects the 7th pin of U3; R46 one end connects the 6th pin of U3, and R47 one end connects the 5th pin of U3, and R48 one end connects the 4th pin of U3; R49 one end connects the 3rd pin of U3, and R50 one end connects the 2nd pin of U3, and R51 one end connects the 1st pin of U3;
The R1 other end connects the base stage of Q1, and the R4 other end connects the Q3 base stage, and the R7 other end connects the Q5 base stage, and the R10 other end connects the Q7 base stage; The R13 other end connects the Q9 base stage, and the R16 other end connects the Q11 base stage, and the R19 other end connects the Q13 base stage, and the R22 other end connects the Q15 base stage; The R27 other end connects the Q17 base stage, and the R31 other end connects the Q18 base stage, and the R34 other end connects the Q19 base stage; The R37 other end connects the Q20 base stage, and the R41 other end connects the Q21 base stage, and the R45 other end connects the Q22 base stage; The R46 other end connects the Q23 base stage, and the R47 other end connects the Q24 base stage, and the R48 other end connects the Q25 base stage; The R49 other end connects the Q26 base stage, and the R50 other end connects the Q27 base stage, and the R51 other end connects the Q28 base stage;
The Q1 collector connects R2 one end and R3 one end, and the Q3 collector connects R5 one end and R6 one end, and the Q5 collector connects R8 one end and R9 one end, and the Q7 collector connects R11 one end and R12 one end; The Q9 collector connects R14 one end and R15 one end, and the Q11 collector connects R17 one end and R18 one end, and the Q13 collector connects R20 one end and R21 one end, and the Q15 collector connects R23 one end and R24 one end; The Q17 collector connects R30 one end, and the Q19 collector connects R36 one end, and the Q17 collector connects R30 one end; The Q20 collector connects R40 one end, and the Q21 collector connects R44 one end, and the Q22 collector connects R25 one end; The Q23 collector connects R26 one end, and the Q24 collector connects R29 one end, and the Q25 collector connects R32 one end; The Q26 collector connects R35 one end, and the Q27 collector connects R39 one end, and the Q28 collector connects R43 one end;
The R2 other end connects Q2 emitter and power supply+5V; The R5 other end connects Q4 emitter and power supply+5V, and the R8 other end connects Q6 emitter and power supply+5V, and the R11 other end connects Q6 emitter and power supply+5V; The R14 other end connects Q10 emitter and power supply+5V; The R17 other end connects Q12 emitter and power supply+5V, and the R20 other end connects Q14 emitter and power supply+5V, and the R23 other end connects Q16 emitter and power supply+5V;
The R29 other end connects R28 one end, and the R39 other end connects R38 one end, and the R43 other end connects R42;
The R3 other end connects the Q2 base stage, and the R6 other end connects the Q4 base stage, and the R9 other end connects the Q6 base stage; The R12 other end connects the Q8 base stage, and the R15 other end connects the Q10 base stage, and the R18 other end connects the Q12 base stage; The R21 other end connects the Q14 base stage, and the R24 other end connects the Q16 base stage;
Q1 emitter, Q3 emitter, Q5 emitter, Q7 emitter, Q9 emitter, Q11 emitter, Q13 emitter, Q15 emitter, Q17 emitter, Q18 emitter, Q19 emitter, Q20 emitter, Q21 emitter, Q22 emitter, Q23 emitter, Q24 emitter, Q25 emitter, Q26 emitter, Q27 emitter and Q28 emitter all are connected power supply ground.
Preferably; Said MCU burning interface unit comprises chip U10, and the 1st pin of U10, the 2nd pin and the 4th pin all are connected power supply ground, and the 7th pin of U10 connects power supply+3.3V_MCU; The 5th pin of U10 connects U4 the 17th pin; The 3rd pin of U10 connects the 4th pin of U4, and the 6th pin of U10 connects the 16th pin of U4, and the 8th pin of U10 is unsettled.
Preferably; Said power circuit unit comprises translation interface chip U29, resistance R 52, voltage stabilizing chip U7, capacitor C 34, capacitor C 35, capacitor C 36, capacitor C 37, capacitor C 38, capacitor C 39, capacitor C 40, capacitor C 41 and capacitor C 42; The pin of U29 connects R52 one end and power supply+3.3V; Another pin of U29 connects the power supply+3.3V_MCU and the R52 other end; The 1st pin of U7 connects power supply ground; The 2nd pin of U1 connects C44 one end, C43 one end, C38 one end, C39 one end, C40 one end, C41 one end, C42 one end and power supply+5V; The C44 other end, the C43 other end, the C38 other end, the C39 other end, the C40 other end, the C41 other end and the C42 other end all are connected power supply ground, and the 3rd pin of U7 all is connected C34 one end, C35 one end, C36 one end, C37 one end and power supply+3.3V with the 4th pin, and the C34 other end, the C35 other end, the C36 other end and the C37 other end all are connected power supply ground.
Preferably; Said LED interface unit comprises LED interface chip U9 and LED interface matrix chip U8, and the P0 pin of U9, P1 pin, P2 pin, P3 pin, P4 pin, P5 pin, P6 pin, P7 pin, P8 pin and P9 pin all are connected power supply+5V, and the N0 pin of U9 connects the R25 other end; The N1 pin of U9 connects the R26 other end; The N2 pin of U9 all is connected the R29 other end with the N3 pin, and the N4 pin of U9 connects the R32 other end, and the N5 pin of U9 connects the R35 other end; The N6 pin of U9 all is connected the R39 other end with the N7 pin, and the N8 pin of U9 is connected the R43 other end with the N9 pin;
The R1N pin of U8 connects the R44 other end, and the R3N pin of U8 connects the R40 other end, and the R4N pin of U8 connects the R36 other end, and the R2N pin of U8 connects the R33 other end, and the R5N pin of U8 connects the R30 other end;
The C2P pin of U8 connects the Q14 collector, and the C4P pin of U8 connects the Q12 collector, and the C1P pin of U8 connects the Q10 collector, and the C3P pin of U8 connects the Q8 collector, and the C5P pin of U8 connects the Q6 collector, and the C7P pin of U8 connects the Q4 collector, and the C6P pin of U8 connects the Q2 collector; Said LED unit comprises light emitting diode D1, light emitting diode D2, light emitting diode D3, light emitting diode D4, light emitting diode D5, light emitting diode D6, light emitting diode D7, light emitting diode D8, light emitting diode D9, light emitting diode D10, resistance R 60, resistance R 61, resistance R 62, resistance R 6 and resistance R 64, and D1 is anodal, D3 is anodal, D5 is anodal, D7 is anodal and the anodal Q16 collector that all is connected of D9;
It is anodal that D1 negative pole connection D2 is anodal, D3 negative pole connection D4 is anodal, the D5 negative pole connects the D6 positive pole, the D7 negative pole connects the D8 positive pole, the D9 negative pole connects D10;
The D2 negative pole connect R60 one end, D4 negative pole connect R61 one end, D6 negative pole connect R62 one end,
The D8 negative pole connects R63 one end, the D10 negative pole connects R64 one end;
The R60 other end, the R61 other end, the R62 other end, the R63 other end and the R64 other end all are connected power supply ground.
The beneficial effect of the utility model:
Control the flicker pattern and the frequency of any lamp through burning in the software of MCU, the under-supply also shutdown of can prompting reporting to the police of power supply, circuit makes that simply controller is light and handy, and is easy for operation; The circuit of optimal design makes that the LED lamp plate wiring of guide plate itself is simple, and the indication of controller surface is clear; The controller surface energy shows the situation of moving: such as flicker pattern, electric weight power, brightness, auto-manual pattern etc.; The flicker pattern of control is many; Can regulate the brightness of LED lamp according to the luminance brightness situation of natural light.
Description of drawings
Utilize accompanying drawing that the utility model is further specified, but the content in the accompanying drawing does not constitute any restriction to the utility model.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the circuit block diagram of an embodiment of the utility model.
Fig. 3 is the communication interface unit circuit diagram of Fig. 2.
Fig. 4 is the circuit diagram of the MCU circuit unit of Fig. 2.
Fig. 5 is the circuit diagram of the shift-register circuit unit of Fig. 2.
Fig. 6 is the circuit diagram of the push-button unit of Fig. 2.
Fig. 7 is the circuit diagram of the MCU burning interface unit of Fig. 2.
Fig. 8 is the circuit diagram of the power circuit unit of Fig. 2.
Fig. 9 is the circuit diagram of the led drive circuit unit of Fig. 2.
Figure 10 is the circuit diagram of the LED interface unit of Fig. 2.
Figure 11 is the circuit diagram of the LED unit of Fig. 2.
Figure 12 is the cut-away view of LED arrow indicator panel.
In Fig. 1 to Figure 12, include:
Shell 1; LED arrow indicator panel 2; Brightness switching key indicating bit Bright 3; Electric weight display screen 4; Button indicating bit Back5 is retreated in the flicker model selection; Flicker model selection forward key indicating bit Next6; Power-off button indicating bit OFF7; Electric power starting button indicating bit ON8; Control panel 9; Drive plate 10; Communication interface unit 91; MCU circuit unit 92; Shift-register circuit unit 93; Push-button unit 94; MCU burning interface unit 95; Power supply unit 96; Led drive circuit unit 101; LED interface unit 102; LED unit 103.
Embodiment
In conjunction with following examples the utility model is described further.
embodiment 1.
The controller of a kind of traffic arrow guide plate of present embodiment such as Fig. 1 are to shown in Figure 12; Comprise shell 1, be arranged at shell 1 inner control panel 9 and the drive plate 10 that is connected with control panel 9; Also be provided with LED arrow indicator panel 2 and button indicating bit on the shell 1; Control panel 9 also is connected with optical inductor; Control panel 9 comprises MCU circuit unit 92, communication interface unit 91, push-button unit 94, shift-register circuit element circuit unit 93, MCU burning interface unit 95 and power circuit unit 96, and drive plate 10 comprises LED interface unit 102, led drive circuit unit 101 and LED unit 103;
The input control end of communication interface unit 91, push-button unit 94, shift-register circuit unit all is connected with MCU circuit unit 92 with MCU burning interface unit 95;
Communication interface unit 91, push-button unit 94, shift-register circuit unit, MCU burning interface unit 95 all are connected with power circuit unit 96 with the power end of MCU circuit unit 92, LED interface unit 102, led drive circuit unit 101 and LED unit 103;
The control output end of shift-register circuit unit is connected with the input end of led drive circuit unit 101, and the output terminal of led drive circuit unit 101 is connected with the input end of LED interface unit 102, and the output terminal of LED interface unit 102 is connected with LED unit 103.
Button comprises that button indicating bit Back5 is retreated in electric power starting button indicating bit ON8, power-off button indicating bit OFF7, flicker model selection, model selection forward key indicating bit Next6 and brightness switching key indicating bit Bright3 glimmer; Shell 1 also is provided with electric weight display screen 4.
The controller of the traffic arrow guide plate of the utility model is light and handy, easy for operation; The circuit of optimal design makes that the LED lamp plate wiring of guide plate itself is simple, and the indication of controller surface is clear; The controller surface energy shows the situation of moving: such as flicker pattern, electric weight power, brightness, auto-manual pattern etc.; The flicker pattern of control is many; Can regulate the brightness of LED lamp according to the luminance brightness situation of natural light.
The principle of work of the utility model is following:
Keyswitch through controller sends instruction, and computing will be instructed and sent to drive plate 10 through connecting line through internal processes, and drive plate 10 is sent out to each the LED lamp plate with its connection again.
The demonstration that LED arrow indicator panel 2 is mainly used in through the LED lamp comes the selected LED lamp flicker of preview pattern, is controlled by drive plate 10 and control panel 9; Control panel 9 is mainly used in controlling and driving plate 10 and carries out the LED demonstration, carries out various pointing-types and selects, control LED brightness etc.; Drive plate 10 is used for the driving LED screen, and to LED and control panel 9 power supplies, drive plate 10 set inside have scm software.
Flicker pattern, frequency etc. are by software control; Can respond to the next luminance brightness that can regulate the LED lamp of traffic signals guide plate automatically of power of exterior light according to optical inductor; Can realize the automatic control of electric weight: but operate as normal when voltage is 12 volts, when voltage is the 10-11 volt, prompting " LP " on the controller, when voltage was lower than 10 volts, controller just shut down automatically; On the contrary, when voltage returns to the 10-11 volt, prompting " LP " on the controller, controller was in proper working order when voltage returned to 12 volts; In working order down, brilliance control can be through realizing automatic control mode and the manually switching of control model by electric power starting button indicating bit ON8.
Also can increase telepilot is set, but telepilot far distance controlled drive plate 10, and then the various display modes of control LED arrow indicator panel 2 changes, it also can make drive plate 10 and control panel 9 synchronous through controlling and driving plate 10.
The design concept of the utility model is following:
Main control singlechip adopts the P89LPC924 of Philips;
The LED dot matrix is made up of 25 or 15 LED lamps altogether, and each LED lamp is to be connected on the control line of single-chip microcomputer, and when certain of correspondence was a bit put 1 level, corresponding LED lamp was just bright, and certain a bit puts 0 level, and then corresponding LED lamp just goes out; As will first point be lighted, then 1 pin is connect high level, then first point is just bright; If show <-->icon, then to control corresponding pin by following value: 67,0x08,0xEA, 0x93,0x00,0x00,0xEA, 0x93,0x00,0x00.To get a foothold: 1,2,3,5,7c, 9,11,12,13 will put high level, and other these pins connect low level, so corresponding <-->icon will be lighted; As will all LED lamps be lighted, then single-chip microcomputer is carried out with value successively: 67, and 0x08,0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, so all LED can light.
embodiment 2.
A kind of controller of traffic arrow guide plate; Other structures of present embodiment are identical with embodiment 1; Difference is: communication interface unit 91 comprises communication chip U5, communication interface J10, resistance R 70, resistance R 71, resistance R 72 and diode D11, and the 1st pin of J10 connects power supply ground, and the 2nd pin of J10 connects the 6th pin of R70 one end, R71 one end and U5; The 3rd pin of J10 connects the 7th pin of the R71 other end, R72 one end and U5; It is anodal that the 4th pin of J10 connects D11, and the 8th pin of D11 negative pole, the R70 other end and U5 all is connected power supply+5V, and the R72 other end connects power supply ground.
MCU circuit unit 92 comprises single-chip microcomputer U4, and the 11st pin of U4 connects the 1st pin of U5, and the 12nd pin of U4 connects the 4th pin of U5, and the 13rd pin of U4 connects the 2nd pin and the 3rd pin of U5, and the 15th pin of U4 connects power supply 3.3_MCU, and the 5th pin of U4 connects power supply ground.
Shift-register circuit unit 93 comprises shift register U1, shift register U2 and shift register U3, and the 8th pin of U1, U2 and U3 all is connected power supply ground, and the 9th pin of U1 connects the 14th pin of U2; The 10th pin of U1 all is connected power supply+5V with the 16th pin, and the 11st pin of U1 and U2 all is connected the 20th pin of U4, and the 12nd pin of U1 and U2 all is connected the 19th pin of U4; The 13rd pin of U1 and U2 all is connected the 18th pin of U4, and the 14th pin of U1 connects the 14th pin of U4, and the 15th pin of U1 and U2 is all unsettled; The 10th pin of U2 all is connected power supply+5V with the 16th pin; The 10th pin of U3 all is connected power supply+5V with the 16th pin, and the 9th pin of U2, the 6th pin and the 7th pin are all unsettled, and the 9th pin of U3 is unsettled;
The 11st pin of U3 connects the 3rd pin of U4, and the 12nd pin of U3 connects the 2nd pin of U4, and the 13rd pin of U3 connects the 18th pin of U4, and the 14th pin of U3 connects the 1st pin of U4.
Push-button unit 94 comprises that the 2nd pin of the first button SW1, the second button SW2, the 3rd button SW3, the 4th button SW4, the 5th button SW5, resistance R 53, resistance R 54, resistance R 55, resistance R 56 and resistance R 57, the first button SW1 is connected the 10th pin and R53 one end of U1 with the 3rd pin;
The 2nd pin of the second button SW2 is connected the 9th pin and R54 one end of U1 with the 3rd pin;
The 2nd pin of the 3rd button SW3 is connected the 8th pin and R56 one end of U1 with the 3rd pin;
The 2nd pin of the 4th button SW4 is connected the 7th pin and R55 one end of U1 with the 3rd pin;
The 2nd pin of the 5th button SW5 is connected the 6th pin and R57 one end of U1 with the 3rd pin;
The R53 other end, the R54 other end, the R55 other end, the R56 other end and the R57 other end all are connected power supply+3.3V;
The 1st pin of the first button SW1 all is connected power supply ground with the 4th pin; The second button SW 2 the 1st pin all is connected power supply ground with the 4th pin; The 3rd button SW3 the 1st pin all is connected power supply ground with the 4th pin; The 4th button SW4 the 1st pin all is connected power supply ground with the 4th pin, and the 5th button SW5 the 1st pin all is connected power supply ground with the 4th pin.
Led drive circuit unit 101 comprises triode Q1; Triode Q2; Triode Q3; Triode Q4; Triode Q5; Triode Q6; Triode Q7; Triode Q8; Triode Q9; Triode Q10; Triode Q11; Triode Q12; Triode Q13; Triode Q14; Triode Q15; Triode Q16; Triode Q17; Triode Q18; Triode Q19; Triode Q20; Triode Q21; Triode Q22; Triode Q23; Triode Q24; Triode Q25; Triode Q26; Triode Q27; Triode Q28; Resistance R 1; Resistance R 2; Resistance R 3; Resistance R 4; Resistance R 5; Resistance R 6; Resistance R 7; Resistance R 8; Resistance R 9; Resistance R 10; Resistance R 11; Resistance R 12; Resistance R 13; Resistance R 14; Resistance R 15; Resistance R 16; Resistance R 17; Resistance R 18; Resistance R 19; Resistance R 20; Resistance R 21; Resistance R 22; Resistance R 23; Resistance R 24; Resistance R 25; Resistance R 26; Resistance R 27; Resistance R 28; Resistance R 29; Resistance R 30; Resistance R 31; Resistance R 32; Resistance R 33; Resistance R 34; Resistance R 35; Resistance R 36; Resistance R 37; Resistance R 38; Resistance R 39; Resistance R 40; Resistance R 41; Resistance R 42; Resistance R 43; Resistance R 44; Resistance R 45; Resistance R 46; Resistance R 47; Resistance R 48; Resistance R 49; Resistance R 50; Resistance R 51;
R1 one end connects U1 the 7th pin, and R4 one end connects the 6th pin of U1, and R7 one end connects the 5th pin of U1, and R10 one end connects the 4th pin of U1; R13 one end connects the 3rd pin of U1, and R16 one end connects the 2nd pin of U1, and R19 one end connects the 1st pin of U1, and R19 one end connects the 1st pin of U1; R19 one end connects the 1st pin of U1, and R22 one end connects the 15th pin of U3, and R27 one end connects the 5th pin of U2, and R31 one end connects the 4th pin of U2; R34 one end connects the 3rd pin of U2, and R37 one end connects the 2nd pin of U2, and R41 one end connects the 1st pin of U2, and R45 one end connects the 7th pin of U3; R46 one end connects the 6th pin of U3, and R47 one end connects the 5th pin of U3, and R48 one end connects the 4th pin of U3; R49 one end connects the 3rd pin of U3, and R50 one end connects the 2nd pin of U3, and R51 one end connects the 1st pin of U3;
The R1 other end connects the base stage of Q1, and the R4 other end connects the Q3 base stage, and the R7 other end connects the Q5 base stage, and the R10 other end connects the Q7 base stage; The R13 other end connects the Q9 base stage, and the R16 other end connects the Q11 base stage, and the R19 other end connects the Q13 base stage, and the R22 other end connects the Q15 base stage; The R27 other end connects the Q17 base stage, and the R31 other end connects the Q18 base stage, and the R34 other end connects the Q19 base stage; The R37 other end connects the Q20 base stage, and the R41 other end connects the Q21 base stage, and the R45 other end connects the Q22 base stage; The R46 other end connects the Q23 base stage, and the R47 other end connects the Q24 base stage, and the R48 other end connects the Q25 base stage; The R49 other end connects the Q26 base stage, and the R50 other end connects the Q27 base stage, and the R51 other end connects the Q28 base stage;
The Q1 collector connects R2 one end and R3 one end, and the Q3 collector connects R5 one end and R6 one end, and the Q5 collector connects R8 one end and R9 one end, and the Q7 collector connects R11 one end and R12 one end; The Q9 collector connects R14 one end and R15 one end, and the Q11 collector connects R17 one end and R18 one end, and the Q13 collector connects R20 one end and R21 one end, and the Q15 collector connects R23 one end and R24 one end; The Q17 collector connects R30 one end, and the Q19 collector connects R36 one end, and the Q17 collector connects R30 one end; The Q20 collector connects R40 one end, and the Q21 collector connects R44 one end, and the Q22 collector connects R25 one end; The Q23 collector connects R26 one end, and the Q24 collector connects R29 one end, and the Q25 collector connects R32 one end; The Q26 collector connects R35 one end, and the Q27 collector connects R39 one end, and the Q28 collector connects R43 one end;
The R2 other end connects Q2 emitter and power supply+5V; The R5 other end connects Q4 emitter and power supply+5V, and the R8 other end connects Q6 emitter and power supply+5V, and the R11 other end connects Q6 emitter and power supply+5V; The R14 other end connects Q10 emitter and power supply+5V; The R17 other end connects Q12 emitter and power supply+5V, and the R20 other end connects Q14 emitter and power supply+5V, and the R23 other end connects Q16 emitter and power supply+5V;
The R29 other end connects R28 one end, and the R39 other end connects R38 one end, and the R43 other end connects R42;
The R3 other end connects the Q2 base stage, and the R6 other end connects the Q4 base stage, and the R9 other end connects the Q6 base stage; The R12 other end connects the Q8 base stage, and the R15 other end connects the Q10 base stage, and the R18 other end connects the Q12 base stage; The R21 other end connects the Q14 base stage, and the R24 other end connects the Q16 base stage;
Q1 emitter, Q3 emitter, Q5 emitter, Q7 emitter, Q9 emitter, Q11 emitter, Q13 emitter, Q15 emitter, Q17 emitter, Q18 emitter, Q19 emitter, Q20 emitter, Q21 emitter, Q22 emitter, Q23 emitter, Q24 emitter, Q25 emitter, Q26 emitter, Q27 emitter and Q28 emitter all are connected power supply ground.
MCU burning interface unit 95 comprises chip U10; The 1st pin of U10, the 2nd pin and the 4th pin all are connected power supply ground; The 7th pin of U10 connects power supply+3.3V_MCU, and the 5th pin of U10 connects U4 the 17th pin, and the 3rd pin of U10 connects the 4th pin of U4; The 6th pin of U10 connects the 16th pin of U4, and the 8th pin of U10 is unsettled.
Power circuit unit 96 comprises translation interface chip U29, resistance R 52, voltage stabilizing chip U7, capacitor C 34, capacitor C 35, capacitor C 36, capacitor C 37, capacitor C 38, capacitor C 39, capacitor C 40, capacitor C 41 and capacitor C 42; The pin of U29 connects R52 one end and power supply+3.3V; Another pin of U29 connects the power supply+3.3V_MCU and the R52 other end; The 1st pin of U7 connects power supply ground; The 2nd pin of U1 connects C44 one end, C43 one end, C38 one end, C39 one end, C40 one end, C41 one end, C42 one end and power supply+5V; The C44 other end, the C43 other end, the C38 other end, the C39 other end, the C40 other end, the C41 other end and the C42 other end all are connected power supply ground; The 3rd pin of U7 all is connected C34 one end, C35 one end, C36 one end, C37 one end and power supply+3.3V with the 4th pin, and the C34 other end, the C35 other end, the C36 other end and the C37 other end all are connected power supply ground.
LED interface unit 102 comprises LED interface chip U9 and LED interface matrix chip U8; The P0 pin of U9, P1 pin, P2 pin, P3 pin, P4 pin, P5 pin, P6 pin, P7 pin, P8 pin and P9 pin all are connected power supply+5V; The N0 pin of U9 connects the R25 other end, and the N1 pin of U9 connects the R26 other end, and the N2 pin of U9 all is connected the R29 other end with the N3 pin; The N4 pin of U9 connects the R32 other end; The N5 pin of U9 connects the R35 other end, and the N6 pin of U9 all is connected the R39 other end with the N7 pin, and the N8 pin of U9 is connected the R43 other end with the N9 pin;
The R1N pin of U8 connects the R44 other end, and the R3N pin of U8 connects the R40 other end, and the R4N pin of U8 connects the R36 other end, and the R2N pin of U8 connects the R33 other end, and the R5N pin of U8 connects the R30 other end;
The C2P pin of U8 connects the Q14 collector, and the C4P pin of U8 connects the Q12 collector, and the C1P pin of U8 connects the Q10 collector, and the C3P pin of U8 connects the Q8 collector, and the C5P pin of U8 connects the Q6 collector, and the C7P pin of U8 connects the Q4 collector, and the C6P pin of U8 connects the Q2 collector; LED unit 103 comprises light emitting diode D1, light emitting diode D2, light emitting diode D3, light emitting diode D4, light emitting diode D5, light emitting diode D6, light emitting diode D7, light emitting diode D8, light emitting diode D9, light emitting diode D10, resistance R 60, resistance R 61, resistance R 62, resistance R 6 and resistance R 64, and D1 is anodal, D3 is anodal, D5 is anodal, D7 is anodal and the anodal Q16 collector that all is connected of D9;
It is anodal that D1 negative pole connection D2 is anodal, D3 negative pole connection D4 is anodal, the D5 negative pole connects the D6 positive pole, the D7 negative pole connects the D8 positive pole, the D9 negative pole connects D10;
The D2 negative pole connect R60 one end, D4 negative pole connect R61 one end, D6 negative pole connect R62 one end,
The D8 negative pole connects R63 one end, the D10 negative pole connects R64 one end;
The R60 other end, the R61 other end, the R62 other end, the R63 other end and the R64 other end all are connected power supply ground.
Should be noted that at last; Above embodiment only be used to explain the utility model technical scheme but not to the restriction of the utility model protection domain; Although the utility model has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and do not break away from the essence and the scope of the utility model technical scheme.