CN105891834A - Indoor supersonic position indicator - Google Patents
Indoor supersonic position indicator Download PDFInfo
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- CN105891834A CN105891834A CN201610189872.6A CN201610189872A CN105891834A CN 105891834 A CN105891834 A CN 105891834A CN 201610189872 A CN201610189872 A CN 201610189872A CN 105891834 A CN105891834 A CN 105891834A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Liquid Crystal Display Device Control (AREA)
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Abstract
The invention discloses an indoor supersonic position indicator which comprises a controller, a stepping motor and an ultrasonic sensor, wherein the stepping motor is arranged on the central section of the upper surface of the controller, and the ultrasonic sensor is fixed on the connection shaft of the stepping motor, a working state indicating lamp, a reset button and a liquid crystal display screen are arranged on the upper surface of the controller, a function button, an increasing button, a reducing button and a power switch are arranged on the sidewall of the controller, and a control circuit is arranged in the controller. The indoor supersonic position indicator uses supersonic wave for range finding and positioning, realizes contactless measure and has the advantages of excellent directivity, low noise, accurate measurement, low power dissipation, low cost, small size, and carrying and measuring convenience. The indoor supersonic position indicator can be widely used to building construction, building decoration, industrial site and robot positioning fields.
Description
Technical field
The invention belongs to indoor positioning device technique field, be specifically related to a kind of indoor ultrasonic position indicator.
Background technology
When we carry out fitting up or disposing furniture or light fixture in indoor, need quickly to determine installation site, this is not often a nothing the matter, it is frequently necessary to hold tape measure repeated measurement ability accurate position determination, but for being not suitable for the place of ruler measurement, measure installment work and just become extremely inconvenience.
Summary of the invention
Present invention solves the technical problem that and there is provided a kind of indoor ultrasonic position indicator, this position indicator can realize Contactless Measurement away from, and then realize determining position rapidly and accurately.
The present invention solves that above-mentioned technical problem adopts the following technical scheme that, a kind of indoor ultrasonic position indicator, it is characterized in that including controller, stepper motor and ultrasonic sensor, the upper surface middle part of its middle controller is provided with stepper motor, it is fixed with ultrasonic sensor in the connecting shaft of this stepper motor, the upper surface of controller is provided with working station indicator, reset key and LCDs, the sidewall of controller is provided with function button, increases button, minimizing button and power switch, and the inside of controller is provided with control circuit.
nullFurther preferably，Described control circuit includes power circuit、Single-chip minimum system and ultrasonic sensor、Temperature sensor and liquid crystal display combinational circuit、Stepper motor driving circuit and key circuit，Power circuit directly obtains 5V voltage with 220/5V electric pressure converter，C1 is 470uf electrochemical capacitor，C2 and C3 is 0.1uf polarity free capacitor，D1 is diode，D2 is LED light emitting diode，R1 is 470 Ω resistance，5V voltage enters from battery socket，2 pins of battery socket are positive pole delivery outlet，Connect 3 pins of switch power receptacle one pole and switch，1 pin of supply socket is negative pole delivery outlet，Connect another pole of switch power receptacle，Electrochemical capacitor C1、Diode D1、Polarity free capacitor C2 and polarity free capacitor C3 is in parallel，The positive pole of electrochemical capacitor C1 and the negative electrode of diode D1 connect 4 pins of switch respectively，The negative pole of electrochemical capacitor C1 and the anode of diode D1 connect 1 pin of battery socket respectively，The delivery outlet that electric current input port is+5V power supply of polarity free capacitor C3，Electric current delivery outlet ground connection，The two ends of polarity free capacitor C3 it are parallel to after resistance R1 and light emitting diode D2 series connection，The minus earth of light emitting diode D2，Light emitting diode D2 has been used to indicate whether that voltage exports，Diode D1 is used for protecting single-chip minimum system，Power supply output key J6、1 pin of J11 with J12 is connected with power supply VCC respectively，Power supply output key J6、2 pins of J11 and J12 ground connection respectively，For providing+5V voltage to each module；nullSingle-chip minimum system and ultrasonic sensor、In temperature sensor and liquid crystal display combinational circuit, single-chip microcomputer is AT89C52 single-chip microcomputer，R2 is 470 Ω resistance，R3 is 10K resistance，R5 is chip temperature pull-up resistor，C10 is 22uf electrochemical capacitor，C12、C13 is 22pf polarity free capacitor，D3 is LED light emitting diode，J5 is the download mouth of AT89C52 single-chip microcomputer，J7 is ultrasonic sensor pin sockets，J9 is chip temperature socket，J12 is liquid-crystal data port，J18 is LCD Controlling port，Y2 is the crystal oscillator of 12MHz，Polarity free capacitor C1 and polarity free capacitor C2 and crystal oscillator Y2 constitutes the crystal oscillating circuit of single-chip minimum system，The two ends of crystal oscillator connect with 18 pins and 19 pins of single-chip computer AT89C52 respectively，One pole of polarity free capacitor C1 and polarity free capacitor C2 connects with crystal oscillator Y2，Another pole ground connection of polarity free capacitor C1 and polarity free capacitor C2，Electrochemical capacitor C10 and resistance R3 constitutes the reset circuit of single-chip minimum system，The positive pole of electrochemical capacitor C10 meets power supply VCC，The negative pole of electrochemical capacitor C10 is through resistance R3 ground connection，9 pins of single-chip computer AT89C52 connect the negative pole of electrochemical capacitor C10，4 pins of ultrasonic sensor pin sockets J7 connect 1 pin of single-chip computer AT89C52，1 pin ground connection of ultrasonic sensor pin sockets J7，5 pins of ultrasonic sensor pin sockets J7 meet power supply VCC，2 pins of chip temperature socket J9 connect 2 pins of single-chip computer AT89C52，And the 3 pin ground connection of power supply VCC chip temperature socket J9 are connect through chip temperature pull-up resistor R5，The 1 of pull-up resistor，2，3，4，5，6，7 and 8 pins respectively with the 32 of single-chip computer AT89C52，33，34，35，36，37 are connected with 38 pins，9 pins of pull-up resistor meet power supply VCC，Power supply VCC is that single-chip computer AT89C52 is powered by pull-up resistor，The 1 of liquid-crystal data port J12，2，3，4，5，6，7 and 8 pins respectively with the 32 of single-chip computer AT89C52，33，34，35，36，37 are connected with 38 pins，The 1 of LCD Controlling port J18，2，3，4 and 5 pins respectively with the 21 of single-chip computer AT89C52，22，23，24 are connected with 25 pins，Light emitting diode D3 anode meets power supply VCC，Negative electrode connects with 28 pins of single-chip computer AT89C52 through resistance R2，Ultrasonic sensor pin sockets J7 external ultrasonic sensor modules URF04，1 pin of single-chip computer AT89C52 is as the startup pin controlling URF04，The P1.0 of single-chip computer AT89C52 connects the startup of URF04 module and launches pin Tring，The external DS18B20 of chip temperature socket J9，The signal of DS18B20 output is data signal，It is connected with 2 pins of single-chip computer AT89C52，Use SMG12864A lattice lcd as display，Wherein J12 is liquid-crystal data port，J18 is LCD Controlling port，SMG12864A has 8 bit data bus D0-D7，Five control port and are respectively RS，R/W，E，CS1，CS2，Operating voltage 4.8-5.2V；nullR6 in stepper motor driving circuit，R7，R8 and R9 is 470 Ω resistance，R10，R11，R12 and R13 is 10K resistance，J1 is the delivery outlet of ULN2003，J2 is the driving chip ULN2003 of stepper motor，J10 is switch，J15 is motor drive power supply，J16 is 7,404 6 phase inverters，J17 is P521 light-coupled isolation chip，The 1 of the delivery outlet J1 of ULN2003，2，3 and 4 pins respectively with the 16 of the driving chip ULN2003J2 of stepper motor，15，14 are connected with 13 pins，9 ports of the driving chip ULN2003 J2 of stepper motor meet power supply VCC，The 1 of the driving chip ULN2003 J2 of stepper motor，2，3 and 4 pins connect the 15 of P521 light-coupled isolation chip J17 respectively，13，11 are connected with 9 pins，8 pins of driving chip ULN2003 J2 of stepper motor are connected with 1 pin of motor drive power supply J15，2 pins of motor drive power supply J15 are connected with 3 pins of switch J10，4 pins of switch J10 meet power supply VCC，1 pin of motor drive power supply J15 passes through resistance R10，R11，R12 and R13 respectively with the 15 of light-coupled isolation chip P521，13，11 are connected with 9 pins，The 10 of light-coupled isolation chip P521，12，14 and 16 pin external power supply VCC，The 2 of light-coupled isolation chip P521，4，6 and 8 pin ground connection，The 1 of light-coupled isolation chip P521，3，5 and 7 pins pass through resistance R6，R7，R8 and R9 respectively with the 2 of 7,404 6 phase inverter J16，4，6 are connected with 8 pins，The 1 of 7404 6 phase inverter J16，3，5、9 and 10 pins respectively with the 8 of single-chip computer AT89C52，7，6，5 are connected with 12 pins，11 pins of 7404 6 phase inverter J16 connect with 3 pins of ultrasonic sensor pin sockets J7，14 pins of 7404 6 phase inverter J16 meet power supply VCC，The 7 pin ground connection of 7404 6 phase inverter J16，ULN2003 J2 is 7 road Darlington transistors，COM termination drives the negative pole of power supply；In key circuit, S2, S3 and S4 are button, one end ground connection of button S2, S3 and S4, the other end of button S2, S3 and S4 13,26 being connected with 27 pins with single-chip computer AT89C52 respectively.
The present invention utilizes ultrasonic wave to carry out finding range, positioning, achieve noncontacting measurement, have that directive property is good, noise is little, measure accurate, low in energy consumption, low cost, volume are little, be convenient for carrying and the advantages such as measurement, can be used widely in fields such as construction, building decoration, industry spot, robot localization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the circuit connection diagram of power circuit in the present invention；
Fig. 3 is single-chip minimum system and ultrasonic sensor, temperature sensor and the circuit connection diagram of liquid crystal display combinational circuit in the present invention；
Fig. 4 is the circuit connection diagram of stepper motor driving circuit in the present invention；
Fig. 5 is the circuit connection diagram of key circuit in the present invention.
In figure: 1, ultrasonic sensor, 2, stepper motor, 3, connecting shaft, 4, controller, 5, LCDs, 6, power switch, 7, working station indicator, 8, reset key, 9, function button, 10, increase button, 11, reduce button.
Detailed description of the invention
The particular content of the present invention is described in detail in conjunction with accompanying drawing.A kind of indoor ultrasonic position indicator, ultrasonic sensor 1 and stepper motor 2 is connected by connecting shaft 3 and is placed on controller 4 upper horizontal face, and all electrically connect with controller 4 internal control circuit, ultrasonic sensor 1 utilizes the time difference launched and receive ultrasonic wave, range information is become the signal of telecommunication, inputs to controller 4；Stepper motor 2 sends the quantity of pulse signal according to the controller 4 received, and turns over certain angle, it is achieved measure the change in direction；LCDs 5 is arranged at the right side plan of controller 4, for showing measured value, setting value and measurement pattern, LCDs 5 uses SMG12864A lattice lcd, and SMG12864A lattice lcd is made up of the point of 128 row 64 row, can be with Display of Chinese characters and the character of oneself definition；One independent power switch 6 power on/off for whole device is set；Due to factors such as interference, single-chip microcomputer execution program running when may be run and be flown, and causes controller 4 job insecurity, at this moment will re-power reset, the left side horizontal plane of controller 4 arranges a working station indicator 7 and a reset key 8, and all electrically connects with controller 4；When controller 4 normally works, the brightness of working station indicator 7 can be from strong to weak circulation change, when there is deadlock or abnormal working position in controller 4, working station indicator 7 can keep the state that brightness is constant for a long time, now click reset key 8, controller 4 can be resetted so that it is return to normal operating conditions；On the left vertical face of controller 4, it is respectively provided with function button 9, increases button 10 and reduce button 11, the button of these three independence all electrically connects with controller 4 internal control circuit, for inputting data to controller 4 and selecting distance measurement mode, and is shown by LCDs 5；nullWhen function button 9 is pressed for the first time，The highest order of input data starts flicker，If now increasing button 10 to press，The present bit of input data adds 1，If reducing button 11 to press，The present bit of input data subtracts 1，Often by a function button 9，Data bit all can move once to low level，Data are set when，Data all can flash to point out user，The when of data flicker，Increase button 10 and minimizing button 11 inputs effectively，Each of input data can arrange the Any Digit of 0-9，When the present bit inputting data is more than 0，Reduce button 11 to press effectively，During equal to 0 reduce button 11 input invalid，When current data position is equal to 9，Press increase button 10 present bit and can become 0 from 9，After input ED is set，By a function key 9，Start to select distance measurement mode，Select between one direction distance measurement mode and multi-direction distance measurement mode，When selecting distance measurement mode，Increase button 10 is pressed and i.e. be may select multi-direction distance measurement mode，" many " are shown on liquid crystal display display screen 5，Minimizing button 11 is pressed and i.e. be may select one direction distance measurement mode，" singly " is shown on LCDs 5.
nullControl circuit of the present invention includes power circuit、Single-chip minimum system and ultrasonic sensor、Temperature sensor and liquid crystal display combinational circuit、Stepper motor driving circuit and key circuit，Power circuit directly obtains 5V voltage with 220/5V electric pressure converter，C1 is 470uf electrochemical capacitor，C2 and C3 is 0.1uf polarity free capacitor，D1 is diode，D2 is LED light emitting diode，R1 is 470 Ω resistance，5V voltage enters from battery socket，2 pins of battery socket are positive pole delivery outlet，Connect 3 pins of switch power receptacle one pole and switch，1 pin of supply socket is negative pole delivery outlet，Connect another pole of switch power receptacle，Electrochemical capacitor C1、Diode D1、Polarity free capacitor C2 and polarity free capacitor C3 is in parallel，The positive pole of electrochemical capacitor C1 and the negative electrode of diode D1 connect 4 pins of switch respectively，The negative pole of electrochemical capacitor C1 and the anode of diode D1 connect 1 pin of battery socket respectively，The delivery outlet that electric current input port is+5V power supply of polarity free capacitor C3，Electric current delivery outlet ground connection，The two ends of polarity free capacitor C3 it are parallel to after resistance R1 and light emitting diode D2 series connection，The minus earth of light emitting diode D2，Light emitting diode D2 has been used to indicate whether that voltage exports，Diode D1 is used for protecting single-chip minimum system，Power supply output key J6、1 pin of J11 with J12 is connected with power supply VCC respectively，Power supply output key J6、2 pins of J11 and J12 ground connection respectively，For providing+5V voltage to each module；nullSingle-chip minimum system and ultrasonic sensor、In temperature sensor and liquid crystal display combinational circuit, single-chip microcomputer is AT89C52 single-chip microcomputer，R2 is 470 Ω resistance，R3 is 10K resistance，R5 is chip temperature pull-up resistor，C10 is 22uf electrochemical capacitor，C12、C13 is 22pf polarity free capacitor，D3 is LED light emitting diode，J5 is the download mouth of AT89C52 single-chip microcomputer，J7 is ultrasonic sensor pin sockets，J9 is chip temperature socket，J12 is liquid-crystal data port，J18 is LCD Controlling port，Y2 is the crystal oscillator of 12MHz，Polarity free capacitor C1 and polarity free capacitor C2 and crystal oscillator Y2 constitutes the crystal oscillating circuit of single-chip minimum system，The two ends of crystal oscillator connect with 18 pins and 19 pins of single-chip computer AT89C52 respectively，One pole of polarity free capacitor C1 and polarity free capacitor C2 connects with crystal oscillator Y2，Another pole ground connection of polarity free capacitor C1 and polarity free capacitor C2，Electrochemical capacitor C10 and resistance R3 constitutes the reset circuit of single-chip minimum system，The positive pole of electrochemical capacitor C10 meets power supply VCC，The negative pole of electrochemical capacitor C10 is through resistance R3 ground connection，9 pins of single-chip computer AT89C52 connect the negative pole of electrochemical capacitor C10，4 pins of ultrasonic sensor pin sockets J7 connect 1 pin of single-chip computer AT89C52，1 pin ground connection of ultrasonic sensor pin sockets J7，5 pins of ultrasonic sensor pin sockets J7 meet power supply VCC，2 pins of chip temperature socket J9 connect 2 pins of single-chip computer AT89C52，And the 3 pin ground connection of power supply VCC chip temperature socket J9 are connect through chip temperature pull-up resistor R5，The 1 of pull-up resistor，2，3，4，5，6，7 and 8 pins respectively with the 32 of single-chip computer AT89C52，33，34，35，36，37 are connected with 38 pins，9 pins of pull-up resistor meet power supply VCC，Power supply VCC is that single-chip computer AT89C52 is powered by pull-up resistor，The 1 of liquid-crystal data port J12，2，3，4，5，6，7 and 8 pins respectively with the 32 of single-chip computer AT89C52，33，34，35，36，37 are connected with 38 pins，The 1 of LCD Controlling port J18，2，3，4 and 5 pins respectively with the 21 of single-chip computer AT89C52，22，23，24 are connected with 25 pins，Light emitting diode D3 anode meets power supply VCC，Negative electrode connects with 28 pins of single-chip computer AT89C52 through resistance R2，Ultrasonic sensor pin sockets J7 external ultrasonic sensor modules URF04，1 pin of single-chip computer AT89C52 is as the startup pin controlling URF04，The P1.0 of single-chip computer AT89C52 connects the startup of URF04 module and launches pin Tring，The external DS18B20 of chip temperature socket J9，The signal of DS18B20 output is data signal，It is connected with 2 pins of single-chip computer AT89C52，Use SMG12864A lattice lcd as display，Wherein J12 is liquid-crystal data port，J18 is LCD Controlling port，SMG12864A has 8 bit data bus D0-D7，Five control port and are respectively RS，R/W，E，CS1，CS2，Operating voltage 4.8-5.2V；nullR6 in stepper motor driving circuit，R7，R8 and R9 is 470 Ω resistance，R10，R11，R12 and R13 is 10K resistance，J1 is the delivery outlet of ULN2003，J2 is the driving chip ULN2003 of stepper motor，J10 is switch，J15 is motor drive power supply，J16 is 7,404 6 phase inverters，J17 is P521 light-coupled isolation chip，The 1 of the delivery outlet J1 of ULN2003，2，3 and 4 pins respectively with the 16 of the driving chip ULN2003J2 of stepper motor，15，14 are connected with 13 pins，9 ports of the driving chip ULN2003 J2 of stepper motor meet power supply VCC，The 1 of the driving chip ULN2003 J2 of stepper motor，2，3 and 4 pins connect the 15 of P521 light-coupled isolation chip J17 respectively，13，11 are connected with 9 pins，8 pins of driving chip ULN2003 J2 of stepper motor are connected with 1 pin of motor drive power supply J15，2 pins of motor drive power supply J15 are connected with 3 pins of switch J10，4 pins of switch J10 meet power supply VCC，1 pin of motor drive power supply J15 passes through resistance R10，R11，R12 and R13 respectively with the 15 of light-coupled isolation chip P521，13，11 are connected with 9 pins，The 10 of light-coupled isolation chip P521，12，14 and 16 pin external power supply VCC，The 2 of light-coupled isolation chip P521，4，6 and 8 pin ground connection，The 1 of light-coupled isolation chip P521，3，5 and 7 pins pass through resistance R6，R7，R8 and R9 respectively with the 2 of 7,404 6 phase inverter J16，4，6 are connected with 8 pins，The 1 of 7404 6 phase inverter J16，3，5、9 and 10 pins respectively with the 8 of single-chip computer AT89C52，7，6，5 are connected with 12 pins，11 pins of 7404 6 phase inverter J16 connect with 3 pins of ultrasonic sensor pin sockets J7，14 pins of 7404 6 phase inverter J16 meet power supply VCC，The 7 pin ground connection of 7404 6 phase inverter J16，ULN2003 J2 is 7 road Darlington transistors，COM termination drives the negative pole of power supply；In key circuit, S2, S3 and S4 are button, one end ground connection of button S2, S3 and S4, the other end of button S2, S3 and S4 13,26 being connected with 27 pins with single-chip computer AT89C52 respectively.The general principle of the present invention, principal character and advantage have more than been shown and described, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements both fall within the scope of claimed invention.
Claims (2)
1. an indoor ultrasonic position indicator, it is characterized in that including controller, stepper motor and ultrasonic sensor, the upper surface middle part of its middle controller is provided with stepper motor, it is fixed with ultrasonic sensor in the connecting shaft of this stepper motor, the upper surface of controller is provided with working station indicator, reset key and LCDs, the sidewall of controller is provided with function button, increases button, minimizing button and power switch, and the inside of controller is provided with control circuit.
nullIndoor ultrasonic position indicator the most according to claim 1，It is characterized in that: described control circuit includes power circuit、Single-chip minimum system and ultrasonic sensor、Temperature sensor and liquid crystal display combinational circuit、Stepper motor driving circuit and key circuit，Power circuit directly obtains 5V voltage with 220/5V electric pressure converter，C1 is 470uf electrochemical capacitor，C2 and C3 is 0.1uf polarity free capacitor，D1 is diode，D2 is LED light emitting diode，R1 is 470 Ω resistance，5V voltage enters from battery socket，2 pins of battery socket are positive pole delivery outlet，Connect 3 pins of switch power receptacle one pole and switch，1 pin of supply socket is negative pole delivery outlet，Connect another pole of switch power receptacle，Electrochemical capacitor C1、Diode D1、Polarity free capacitor C2 and polarity free capacitor C3 is in parallel，The positive pole of electrochemical capacitor C1 and the negative electrode of diode D1 connect 4 pins of switch respectively，The negative pole of electrochemical capacitor C1 and the anode of diode D1 connect 1 pin of battery socket respectively，The delivery outlet that electric current input port is+5V power supply of polarity free capacitor C3，Electric current delivery outlet ground connection，The two ends of polarity free capacitor C3 it are parallel to after resistance R1 and light emitting diode D2 series connection，The minus earth of light emitting diode D2，Light emitting diode D2 has been used to indicate whether that voltage exports，Diode D1 is used for protecting single-chip minimum system，Power supply output key J6、1 pin of J11 with J12 is connected with power supply VCC respectively，Power supply output key J6、2 pins of J11 and J12 ground connection respectively，For providing+5V voltage to each module；nullSingle-chip minimum system and ultrasonic sensor、In temperature sensor and liquid crystal display combinational circuit, single-chip microcomputer is AT89C52 single-chip microcomputer，R2 is 470 Ω resistance，R3 is 10K resistance，R5 is chip temperature pull-up resistor，C10 is 22uf electrochemical capacitor，C12、C13 is 22pf polarity free capacitor，D3 is LED light emitting diode，J5 is the download mouth of AT89C52 single-chip microcomputer，J7 is ultrasonic sensor pin sockets，J9 is chip temperature socket，J12 is liquid-crystal data port，J18 is LCD Controlling port，Y2 is the crystal oscillator of 12MHz，Polarity free capacitor C1 and polarity free capacitor C2 and crystal oscillator Y2 constitutes the crystal oscillating circuit of single-chip minimum system，The two ends of crystal oscillator connect with 18 pins and 19 pins of single-chip computer AT89C52 respectively，One pole of polarity free capacitor C1 and polarity free capacitor C2 connects with crystal oscillator Y2，Another pole ground connection of polarity free capacitor C1 and polarity free capacitor C2，Electrochemical capacitor C10 and resistance R3 constitutes the reset circuit of single-chip minimum system，The positive pole of electrochemical capacitor C10 meets power supply VCC，The negative pole of electrochemical capacitor C10 is through resistance R3 ground connection，9 pins of single-chip computer AT89C52 connect the negative pole of electrochemical capacitor C10，4 pins of ultrasonic sensor pin sockets J7 connect 1 pin of single-chip computer AT89C52，1 pin ground connection of ultrasonic sensor pin sockets J7，5 pins of ultrasonic sensor pin sockets J7 meet power supply VCC，2 pins of chip temperature socket J9 connect 2 pins of single-chip computer AT89C52，And the 3 pin ground connection of power supply VCC chip temperature socket J9 are connect through chip temperature pull-up resistor R5，The 1 of pull-up resistor，2，3，4，5，6，7 and 8 pins respectively with the 32 of single-chip computer AT89C52，33，34，35，36，37 are connected with 38 pins，9 pins of pull-up resistor meet power supply VCC，Power supply VCC is that single-chip computer AT89C52 is powered by pull-up resistor，The 1 of liquid-crystal data port J12，2，3，4，5，6，7 and 8 pins respectively with the 32 of single-chip computer AT89C52，33，34，35，36，37 are connected with 38 pins，The 1 of LCD Controlling port J18，2，3，4 and 5 pins respectively with the 21 of single-chip computer AT89C52，22，23，24 are connected with 25 pins，Light emitting diode D3 anode meets power supply VCC，Negative electrode connects with 28 pins of single-chip computer AT89C52 through resistance R2，Ultrasonic sensor pin sockets J7 external ultrasonic sensor modules URF04，1 pin of single-chip computer AT89C52 is as the startup pin controlling URF04，The P1.0 of single-chip computer AT89C52 connects the startup of URF04 module and launches pin Tring，The external DS18B20 of chip temperature socket J9，The signal of DS18B20 output is data signal，It is connected with 2 pins of single-chip computer AT89C52，Use SMG12864A lattice lcd as display，Wherein J12 is liquid-crystal data port，J18 is LCD Controlling port，SMG12864A has 8 bit data bus D0-D7，Five control port and are respectively RS，R/W，E，CS1，CS2，Operating voltage 4.8-5.2V；R6 in stepper motor driving circuit, R7, R8 and R9 is 470 Ω resistance, R10, R11, R12 and R13 is 10K resistance, J1 is the delivery outlet of ULN2003, J2 is the driving chip ULN2003 of stepper motor, J10 is switch, J15 is motor drive power supply, J16 is 7,404 6 phase inverters, J17 is P521 light-coupled isolation chip, the 1 of the delivery outlet J1 of ULN2003, 2, 3 and 4 pins respectively with the 16 of the driving chip ULN2003J2 of stepper motor, 15, 14 are connected with 13 pins, 9 ports of the driving chip ULN2003 J2 of stepper motor meet power supply VCC, the driving chip ULN2003 of stepper motor
nullThe 1 of J2，2，3 and 4 pins connect the 15 of P521 light-coupled isolation chip J17 respectively，13，11 are connected with 9 pins，8 pins of driving chip ULN2003 J2 of stepper motor are connected with 1 pin of motor drive power supply J15，2 pins of motor drive power supply J15 are connected with 3 pins of switch J10，4 pins of switch J10 meet power supply VCC，1 pin of motor drive power supply J15 passes through resistance R10，R11，R12 and R13 respectively with the 15 of light-coupled isolation chip P521，13，11 are connected with 9 pins，The 10 of light-coupled isolation chip P521，12，14 and 16 pin external power supply VCC，The 2 of light-coupled isolation chip P521，4，6 and 8 pin ground connection，The 1 of light-coupled isolation chip P521，3，5 and 7 pins pass through resistance R6，R7，R8 and R9 respectively with the 2 of 7,404 6 phase inverter J16，4，6 are connected with 8 pins，The 1 of 7404 6 phase inverter J16，3，5、9 and 10 pins respectively with the 8 of single-chip computer AT89C52，7，6，5 are connected with 12 pins，11 pins of 7404 6 phase inverter J16 connect with 3 pins of ultrasonic sensor pin sockets J7，14 pins of 7404 6 phase inverter J16 meet power supply VCC，The 7 pin ground connection of 7404 6 phase inverter J16，ULN2003 J2 is 7 road Darlington transistors，COM termination drives the negative pole of power supply；In key circuit, S2, S3 and S4 are button, one end ground connection of button S2, S3 and S4, the other end of button S2, S3 and S4 13,26 being connected with 27 pins with single-chip computer AT89C52 respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189872.6A CN105891834A (en) | 2016-03-30 | 2016-03-30 | Indoor supersonic position indicator |
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| CN201610189872.6A CN105891834A (en) | 2016-03-30 | 2016-03-30 | Indoor supersonic position indicator |
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| CN105891834A true CN105891834A (en) | 2016-08-24 |
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| CN201610189872.6A Pending CN105891834A (en) | 2016-03-30 | 2016-03-30 | Indoor supersonic position indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631993A (en) * | 2019-10-22 | 2019-12-31 | 上海迪尚电子科技有限公司 | On-line colorimetric sensor |
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