CN102297667A - Laser detector circuit for crane - Google Patents
Laser detector circuit for crane Download PDFInfo
- Publication number
- CN102297667A CN102297667A CN2011101127951A CN201110112795A CN102297667A CN 102297667 A CN102297667 A CN 102297667A CN 2011101127951 A CN2011101127951 A CN 2011101127951A CN 201110112795 A CN201110112795 A CN 201110112795A CN 102297667 A CN102297667 A CN 102297667A
- Authority
- CN
- China
- Prior art keywords
- pin
- microcontroller
- resistor
- pull
- core interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Logic Circuits (AREA)
Abstract
The invention relates to a laser detector circuit for a crane, which comprises a microcontroller, an angular transducer interface circuit, a data storage circuit, a power circuit, an LCD (Liquid Crystal Display) display interface circuit, a key interface circuit, a low-voltage detection circuit, a JTAG (Joint Test Action Group) simulated interface circuit, a laser ranging sensor interface circuit and a RS232 interface circuit, wherein the angular transducer interface circuit, the data storage circuit and the LCD display interface circuit are respectively connected to an I/O port signal of the microcontroller; the key interface circuit is connected to a simulated digital sampling port signal of the microcontroller; the low-voltage detection circuit is connected to an interrupted port signal of the microcontroller; the JTAG simulated interface circuit is connected to the I/O port signal of the microcontroller; and the laser ranging sensor interface circuit and the RS232 interface circuit are connected to a serial port signal of the microcontroller. A high-precision laser ranging sensor and an angular transducer are adopted in the laser detector circuit for the crane, so that the measuring precision is high and the error is small.
Description
Technical field
The invention belongs to crane special equipment detection technique field, be specifically related to a kind of crane laser detection instrument circuit.
Background technology
Crane all as the special equipment management, carries out periodic survey at world wide.In China, the check of crane must be detected institute and carry out by the special equipment of locality.The quiet rigidity of wherein most popular door, overhead travelling crane and camber be special equipment detect institute must examine content.The rigidity of the prediction crane girder by can be indirect to the detection of camber and quiet rigidity.The subject matter of existence was during crane camber, quiet rigidity detected at present: crane camber, quiet rigidity detect the main non-instrumentations such as spirit-leveling instrument, transit that use, and operation is inconvenient, and intelligent degree is low, and labor workload is big, and whole efficiency is low.
The subject matter that the crane detector overcomes in design is: processing and installation accuracy control that (1) machinery is three; (2) complete machine software calibration and compensation; (3) operating process guides automatically, built-in crane inspection rule.(4) power problems of portable set.
Special-purpose crane laser detecting apparatus is made up of mechanical mechanism and hardware circuit, and mechanical mechanism is by pedestal, U type fuselage, level and vertically rotating mechanism, locking and micro-adjusting mechanism are formed.Control system is measured by certain algorithm combined sensor signal, and the detector hardware circuit is a core of system.
Summary of the invention
The present invention is directed to the relatively deficienter present situation of special purpose crane detector, a kind of crane laser detection instrument circuit is provided.
For solving the problems of the technologies described above, the concrete technical scheme that the present invention taked is:
Crane laser detection instrument circuit comprises microcontroller, angular transducer interface circuit, data storage circuitry, power circuit, LCD display interface circuit, keystroke interface circuit, low-voltage detection circuit, JTAG emulation interface circuit, laser range sensor interface circuit and RS232 interface circuit.
The angular transducer interface circuit is connected with micro controller I/O mouth signal, data storage circuitry is connected with microcontroller I/O mouth signal, the LCD display interface circuit is connected with micro controller I/O mouth signal, the keystroke interface circuit is connected with the analog digital sample port signal of microcontroller, low-voltage testing circuit is connected with the interruption mouth signal of microcontroller, JTAG emulation interface circuit is connected with micro controller I/O mouth signal, and the laser range sensor interface circuit is connected with the rs 232 serial interface signal of microcontroller with the RS232 interface circuit;
It is the chip of STM32F103R8 that described microcontroller adopts the model of STMicroelectronics company;
Described angular transducer interface circuit comprises the 7th filter capacitor C7, RS485 physical chip U4, angular transducer 6 core interface JP2; The 7th capacitor C 7 one ends, 1 pin of physical chip U4 is connected with the 3.3V power supply, the 7th capacitor C 7 other end ground connection, 2 pin of physical chip U4 are connected with 45 pin of microcontroller, 3 pin of physical chip U4 are connected with 44 pin of microcontroller, the 4 pin ground connection of physical chip U4,5 pin of physical chip U4 are connected with 4 pin of angular measurement sensor 6 core interface JP2,6 pin of physical chip U4 are connected with 3 pin of angular measurement sensor 6 core interface JP2,7 pin of physical chip U4 are connected with 2 pin of angular measurement sensor 6 core interface JP2,8 pin of physical chip U4 are connected with 1 pin of angular measurement sensor 6 core interface JP2, the 5 pin ground connection of angular measurement sensor 6 core interface JP2,6 pin of angular measurement sensor 6 core interface JP2 meet power supply PWR;
Described data storage circuitry comprises data-carrier store U5, the 17 filter capacitor C17, the 15 pull-up resistor R15, the 16 pull-up resistor R16; 1 pin of data-carrier store U5,2 pin, 3 pin and 4 pin ground connection, 5 pin of data-carrier store U5, the end of the 15 pull-up resistor R15 are connected with 59 pin of microcontroller, another termination 3.3V power supply of the 15 pull-up resistor R15,6 pin of data-carrier store U5, the end of the 16 pull-up resistor R16 are connected with 58 pin of microcontroller, another termination 3.3V power supply of the 16 pull-up resistor R16,7 pin of data-carrier store U5, the end ground connection of the 17 filter capacitor C17, another termination 3.3V power supply of 8 pin of data-carrier store U5, the 17 filter capacitor C17;
Described power circuit comprises power supply BT1, DC decompression chip U1, the first self-lock switch S1, the first schottky diode D1, the second schottky diode D2, the 4th light emitting diode D4, the first electrolytic capacitor filter C1, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the tenth electrolytic capacitor filter C10, the first filter inductance L1, the first current-limiting resistance R1, the second feedback resistance R2, the 3rd current-limiting resistance R3, the 14 feedback resistance R14; Power supply BT1 minus earth, the positive pole of power supply BT1 is connected with the end of the first self-lock switch S1, the anode of the other end of the first self-lock switch S1 and the first schottky diode D1, the negative terminal of the first schottky diode D1, the positive pole of the first electrolytic capacitor filter C1, the end of the 3rd filter capacitor C3 is connected with 1 pin of DC decompression chip U1, the negative pole of the first electrolytic capacitor filter C1, the other end of the 3rd filter capacitor C3 is connected with the end of the first current-limiting resistance R1, the other end of the first current-limiting resistance R1 is connected with 4 pin of DC decompression converter U1, the end of the first filter inductance L1, the negative terminal of the second schottky diode D2 is connected with 2 pin of DC decompression chip U1, the other end of the first filter inductance L1, the positive pole of the tenth electrolytic capacitor filter C10, the end of the 4th filter capacitor C4, the end of the second current-limiting resistance R2, the end of the 5th filter capacitor C5, the termination 3.3V power supply of the 3rd current-limiting resistance R3, the anode of the second schottky diode D2, the negative pole of the tenth electrolytic capacitor filter C10, the other end ground connection of the 4th filter capacitor C4, the other end of the second feedback resistance R2, the other end of the 5th filter capacitor C5, the end of the 14 feedback resistance R14 is connected with 3 pin of DC decompression chip U1, the other end of the 3rd current-limiting resistance R3 is connected with the anode of the 4th light emitting diode D4, the negative terminal of the 4th light emitting diode D4, the other end ground connection of the 14 feedback resistance R14,5 of DC decompression chip U1,6,7,8 pin ground connection;
Described LCD display interface circuit comprises the 8th filter capacitor C8, the 18 potentiometer R18, the 9th filter capacitor C9, the 19 current-limiting resistance R19, the 17 current-limiting resistance R17, the first triode Q1, the 22 pull-up resistor R22, the 23 current-limiting resistance R23, LCD shield 20 core interface J8; LCD shields 1 pin of 20 core interface J8, the end ground connection of the 8th filter capacitor C8, LCD shields 2 pin of 20 core interface J8, the other end of the 8th filter capacitor C8, one termination 3.3V power supply of the non-resistance trimming end of the 18 potentiometer R18,3 pin that LCD shields 20 core interface J8 are connected with the resistance trimming end of the 18 potentiometer R18, the other end of the non-resistance trimming end of the 18 potentiometer R18 is connected with 18 pin that LCD shields 20 core interface J8,4 pin that LCD shields 20 core interface J8 are connected with 21 pin of microcontroller, 5 pin that LCD shields 20 core interface J8 are connected with 22 pin of microcontroller, 6 pin that LCD shields 20 core interface J8 are connected with 25 pin of microcontroller, 7 pin that LCD shields 20 core interface J8 are connected with 8 pin of microcontroller, 8 pin that LCD shields 20 core interface J8 are connected with 9 pin of microcontroller, 9 pin that LCD shields 20 core interface J8 are connected with 10 pin of microcontroller, 10 pin that LCD shields 20 core interface J8 are connected with 11 pin of microcontroller, 11 pin that LCD shields 20 core interface J8 are connected with 24 pin of microcontroller, 12 pin that LCD shields 20 core interface J8 are connected with 25 pin of microcontroller, 13 pin that LCD shields 20 core interface J8 are connected with 37 pin of microcontroller, 14 pin that LCD shields 20 core interface J8 are connected with 38 pin of microcontroller, 15 pin that LCD shields 20 core interface J8 are connected with 39 pin of microcontroller, 16 pin that LCD shields 20 core interface J8 are connected with 40 pin of microcontroller, LCD shields 17 pin of 20 core interface J8, the end of the 9th filter capacitor C9, the end of the 19 current-limiting resistance R19 is connected with 41 pin of microcontroller, the other end ground connection of the 9th filter capacitor C9, the other end of the 19 current-limiting resistance R19, the emitter of the first triode Q1, the termination 3.3V power supply of the 22 pull-up resistor R22, the other end of the 22 pull-up resistor R22, the end of the 23 current-limiting resistance R23 is connected with the base stage of the first triode Q1, the collector of the first triode Q1 is connected with the end of the 17 current-limiting resistance R17, the other end of the 17 current-limiting resistance R17 is connected with 19 pin that LCD shields 20 core interface J8, LCD shields the 20 pin ground connection of 20 core interface J8, and the other end of the 23 current-limiting resistance R23 is connected with 36 pin of microcontroller;
Described keystroke interface circuit comprises the 24 divider resistance R24, the 25 divider resistance R25, the 26 divider resistance R26, the 27 divider resistance R27, the 28 divider resistance R28, the 29 divider resistance R29, the 30 fen piezoresistance R30, the 31 divider resistance R31, the 32 divider resistance R32, the 32 divider resistance R32, the second keyswitch S2, the 3rd keyswitch S3, the 4th keyswitch S4, the 5th keyswitch S5, the 6th keyswitch S6, the 7th keyswitch S7, the 8th keyswitch S8, the 9th keyswitch S9, the 27 filter capacitor C27, button simulating signal sampling interface J10; The termination 3.3V power supply of the 24 divider resistance R24, the other end of the 24 current-limiting resistance R24, the end of the second keyswitch S2 is connected with the end of the 25 divider resistance R25, the other end of the 25 divider resistance R25, the end of the 3rd keyswitch S3 is connected with the end of the 26 divider resistance R26, the other end of the 26 divider resistance R26, the end of the 4th keyswitch S4 is connected with the end of the 27 divider resistance R27, the other end of the 27 divider resistance R27, the end of the 5th keyswitch S5 is connected with the end of the 28 divider resistance R28, the 28 current-limiting resistance R28 other end, the end of the 6th keyswitch S6 is connected with the end of the 29 divider resistance R29, the other end of the 29 divider resistance R29, the end of the 7th keyswitch S7 is connected with the end of the 30 fen piezoresistance R30, the other end of the 30 fen piezoresistance R30, the end of the 8th keyswitch S8 is connected with the end of the 31 divider resistance R31, the other end of the 31 divider resistance R31 is connected with the end of the 9th keyswitch S9, the other end of the second keyswitch S2, the other end of the 3rd keyswitch S3, the other end of the 4th keyswitch S4, the other end of the 5th keyswitch S5, the other end of the 6th keyswitch S6, the other end of the 7th keyswitch S7, the other end of the 8th keyswitch S8, the other end of the 9th keyswitch S9, the end of the 27 filter capacitor C27, the end of the 32 divider resistance R32 is connected with 3 pin of button simulating signal sampling interface J10, the other end of the 27 filter capacitor C27, the other end ground connection of the 32 divider resistance R32, the 2 pin ground connection of button simulating signal sampling interface J10,1 pin of button simulating signal sampling interface J10 connects the 3.3V power supply;
Described low-voltage detection circuit comprises the second ten fens piezoresistance R20, the 21 divider resistance R21, the second filter capacitor C2; The termination PWR power supply of the second ten fens piezoresistance R20, the other end of the second ten fens piezoresistance R20, the end of the 21 divider resistance R21, the end of the second filter capacitor C2 are connected the other end ground connection of the other end of the 21 divider resistance R21, the second filter capacitor C2 with 15 pin of microcontroller;
Described JTAG emulation interface circuit comprises the 4th pull-up resistor R4, the 5th pull-up resistor R5, the 6th pull-up resistor R6, the 7th pull-up resistor R7, the 8th pull-up resistor R8, the 9th pull-up resistor R9, the 11 pull-up resistor R11, the 12 pull-up resistor R12, emulator 20 core interface JP1; The end of the 4th pull-up resistor R4, the end of the 5th pull-up resistor R5, the end of the 6th pull-up resistor R6, the end of the 7th pull-up resistor R7, the termination 3.3V power supply of the 8th pull-up resistor R8, the other end of the 4th pull-up resistor R4 is connected with 13 pin of emulator 20 core interface JP1, the other end of the 5th pull-up resistor R5 is connected with 9 pin of emulator 20 core interface JP1, the other end of the 6th pull-up resistor R6 is connected with 7 pin of emulator 20 core interface JP1, the other end of the 7th pull-up resistor R7 is connected with 5 pin of emulator 20 core interface JP1, the other end of the 8th pull-up resistor R8 is connected with 3 pin of emulator 20 core interface JP1, the end of the 9th pull-up resistor R9, the end of the 11 pull-up resistor R11, the end ground connection of the 12 pull-up resistor R12, the other end of the 9th pull-up resistor R9 is connected with 11 pin of emulator 20 core interface JP1, the other end of the 11 pull-up resistor R11 is connected with 17 pin of emulator 20 core interface JP1, the other end of the 12 pull-up resistor R12 is connected with 19 pin of emulator 20 core interface JP1,15 pin of emulator 20 core interface JP1 are connected with 7 pin of microcontroller, 1 of emulator 20 core interface JP1,2 pin connect the 3.3V power supply, 4 of emulator 20 core interface JP1,6,8,10,12,14,16,18,20 pin ground connection;
Described laser range sensor interface circuit and RS232 interface circuit comprise twelvefold pressure charge pump capacitor C 12, the 13 filter capacitor C13, the 14 multiplication of voltage charge pump capacitor C 14, the 15 filter capacitor C15, physical chip RS-232 transceiver U2, the 16 filter capacitor C16, laser range sensor 4 core interface J2, RS232 interface circuit 3 core interface J1; Twelvefold presses an end of charge pump capacitor C 12 to be connected with 1 pin of RS-232 transceiver U2, twelvefold presses the other end of charge pump capacitor C 12 to be connected with 3 pin of RS-232 transceiver U2, the end of the 13 filter capacitor C13 is connected with 2 pin of RS-232 transceiver U2, the other end ground connection of the 13 filter capacitor C13, one end of the 14 multiplication of voltage charge pump capacitor C 14 is connected with 4 pin of RS-232 transceiver U2, the other end of the 14 multiplication of voltage charge pump capacitor C 14 is connected with 5 pin of RS-232 transceiver U2, the end of the 15 filter capacitor C15 is connected with 6 pin of RS-232 transceiver U2, the other end ground connection of the 15 filter capacitor C15,7 pin of RS-232 transceiver U2 are connected with 2 pin of RS232 interface circuit 3 core interface J1,8 pin of RS-232 transceiver U2 are connected with 1 pin of RS232 interface circuit 3 core interface J1, the 3 pin ground connection of RS232 interface circuit 3 core interface J1,9 pin of RS-232 transceiver U2 are connected with 17 pin of microcontroller, 10 pin of RS-232 transceiver U2 are connected with 16 pin of microcontroller, 11 pin of RS-232 transceiver U2 are connected with 42 pin of microcontroller, 12 pin of RS-232 transceiver U2 are connected with 43 pin of microcontroller, 13 pin of RS-232 transceiver U2 are connected with 2 pin of laser range sensor 4 core interface J2,14 pin of RS-232 transceiver U2 are connected with 1 pin of laser range sensor 4 core interface J2, the 3 pin ground connection of laser range sensor 4 core interface J2,4 pin of laser range sensor 4 core interface J2 meet power supply PWR, 15 pin of RS-232 transceiver U2, the end ground connection of the 16 filter capacitor C16,16 pin of RS-232 transceiver U2, another termination 3.3V power supply of the 16 filter capacitor C16.
The beneficial effect that the present invention had is:
(1) adopted high-precision laser range sensor and angular measurement sensor, the measuring accuracy height, error is little;
(2) specificity is strong, is specifically designed to the measurement of bridge, trestle crane camber, quiet rigidity, double track difference of elevation;
(3) adopted 32 advanced 8-digit microcontrollers, built-in aboundresources has significantly reduced the quantity of peripheral components, and cost is low, and performance is good.
Description of drawings
Fig. 1 is the structural representation of use occasion of the present invention;
Fig. 2 is a circuit module synoptic diagram of the present invention;
Fig. 3 is a micro controller module synoptic diagram among Fig. 2;
Fig. 4 is an angular transducer interface module synoptic diagram among Fig. 2;
Fig. 5 is a data storage circuitry module diagram among Fig. 2;
Fig. 6 is a power circuit module diagram among Fig. 2;
Fig. 7 is a LCD display interface circuit module diagram among Fig. 2;
Fig. 8 is a keystroke interface circuit module synoptic diagram among Fig. 2;
Fig. 9 is a low-voltage detection circuit module diagram among Fig. 2;
Figure 10 is a JTAG emulation interface circuit module synoptic diagram among Fig. 2;
Figure 11 is laser range sensor interface circuit and a RS232 interface module synoptic diagram among Fig. 2.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, complete crane laser detecting apparatus comprises mechanical measurement structure 1 and microcontroller hardware circuit 2.Mechanical measurement structure 1 comprises pedestal 1-1, level, vertical rotary locking mechanism 1-2, U type fuselage 1-3, telescope 1-4, angular measurement sensor 1-5, electronic compensator 1-6, laser range sensor 1-7.Microcontroller hardware circuit 2 comprises microcontroller 2-1, angular transducer interface circuit 2-2, data storage circuitry 2-3, power circuit 2-4, LCD display interface circuit 2-5, keystroke interface circuit 2-6, low-voltage detection circuit 2-7, JTAG emulation interface circuit 2-8, laser range sensor interface circuit and RS232 interface circuit 2-9, be used for controlling mechanical measurement structure 1, when the crane laser detecting apparatus was worked, microcontroller was controlled mechanical measurement structure by function and is carried out DATA REASONING.
As shown in Figure 2, microcontroller hardware circuit 2 comprises microcontroller 2-1, angular transducer interface circuit 2-2, data storage circuitry 2-3, power circuit 2-4, LCD display interface circuit 2-5, keystroke interface circuit 2-6, low-voltage detection circuit 2-7, JTAG emulation interface circuit 2-8, laser range sensor interface circuit and RS232 interface circuit 2-9.
As shown in Figure 3, it is the chip of STM32F103R8 that the described microcontroller of microcontroller adopts the model of STMicroelectronics company, microcontroller 7,45,49,50,55,56 pin connect JTAG emulation interface circuit, be used for microcontroller is carried out emulation testing, microcontroller 8,9,10,11,21,22,23,24,25,36,37,38,39,40,41 pin connect the LCD display interface circuit, be used for controlling the data and the function demonstration of LCD display, microcontroller 15 pin connect low-voltage detection circuit, whether be used for detecting the microcontroller battery under-voltage, microcontroller 16,17,42,43 pin connect laser range sensor interface circuit and RS232 interface circuit, the laser range sensor interface circuit is used for receiving the laser range sensor input signal, the RS232 interface circuit is used for communicating with host computer simultaneously, output in the host computer exclusive data library software and carry out data processing recording data, microcontroller 44,45 pin connection angle sensor interface circuitries, be used for the receiving angle sensor input signal, microcontroller 58,59 pin connect data storage circuitry, be used for storing the data that record, microcontroller 34,35 pin connect horizontal electronic compensator, be used for the surface level directions X is compensated, microcontroller 51,52 pin connect vertical electronic compensator, are used for surface level Y direction is compensated.
As shown in Figure 4, the angular transducer interface circuit comprises the 7th filter capacitor C7, RS485 physical chip U4, angular transducer 6 core interface JP2; The 7th capacitor C 7 one ends, 1 pin of physical chip U4 is connected with the 3.3V power supply, the 7th capacitor C 7 other end ground connection, 2 pin of physical chip U4 are connected with 45 pin of microcontroller, 3 pin of physical chip U4 are connected with 44 pin of microcontroller, the 4 pin ground connection of physical chip U4,5 pin of physical chip U4 are connected with 4 pin of angular measurement sensor 6 core interface JP2,6 pin of physical chip U4 are connected with 3 pin of angular measurement sensor 6 core interface JP2,7 pin of physical chip U4 are connected with 2 pin of angular measurement sensor 6 core interface JP2,8 pin of physical chip U4 are connected with 1 pin of angular measurement sensor 6 core interface JP2, the 5 pin ground connection of angular measurement sensor 6 core interface JP2,6 pin of angular measurement sensor 6 core interface JP2 meet power supply PWR, the 7th filter capacitor C7 adopts the X7R electric capacity of 0.1 μ F/50V, RS485 physical chip U4 adopts the SP3490 chip of Sipex company, the 7th filter capacitor C7 is used for carrying out Filtering Processing for the power supply of SP3490 chip, the SP3490 chip is used for supporting RS485 serial signal host-host protocol, and the serial signal that the angular transducer interface circuit is used for carrying out between angular transducer and the microcontroller transmits.
As shown in Figure 5, data storage circuitry comprises data-carrier store U5, the 17 filter capacitor C17, the 15 pull-up resistor R15, the 16 pull-up resistor R16; 1 pin of data-carrier store U5,2 pin, 3 pin and 4 pin ground connection, 5 pin of data-carrier store U5, the end of the 15 current-limiting resistance R15 is connected with 59 pin of microcontroller, another termination 3.3V power supply of the 15 current-limiting resistance R15,6 pin of data-carrier store U5, the end of the 16 current-limiting resistance R16 is connected with 58 pin of microcontroller, another termination 3.3V power supply of the 16 current-limiting resistance R16,7 pin of data-carrier store U5, the end ground connection of the 17 filter capacitor C17,8 pin of data-carrier store U5, another termination 3.3V power supply of the 17 filter capacitor C17, pin-saving chip U5 adopts the AT24LC08 chip of Atmel company, the 17 filter capacitor C17 adopts the X7R electric capacity of 0.1 μ F, the 15 pull-up resistor R15 and the 16 pull-up resistor R16 adopt 5k Ω resistance, the 17 filter capacitor C17 is used for carrying out Filtering Processing for the power supply of AT24LC08 chip, the 15 pull-up resistor R15 and the 16 pull-up resistor R16 pull-up resistor during as the communication of AT24LC08 chip I 2C agreement, data storage circuitry adopts the I2C agreement, is used for storing the detected in the course of the work data of crane laser detecting apparatus.
As shown in Figure 6, power circuit comprises power supply BT1, DC decompression chip U1, the first self-lock switch S1, the first schottky diode D1, the second schottky diode D2, the 4th light emitting diode D4, the first electrolytic capacitor filter C1, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the tenth electrolytic capacitor filter C10, the first filter inductance L1, the first current-limiting resistance R1, the second feedback resistance R2, the 3rd current-limiting resistance R3, the 14 feedback resistance R14; Power supply BT1 minus earth, the positive pole of power supply BT1 is connected with the end of the first self-lock switch S1, the anode of the other end of the first self-lock switch S1 and the first schottky diode D1, the negative terminal of the first schottky diode D1, the positive pole of the first electrolytic capacitor filter C1, the end of the 3rd filter capacitor C3 is connected with 1 pin of DC decompression chip U1, the negative pole of the first electrolytic capacitor filter C1, the other end of the 3rd filter capacitor C3 is connected with the end of the first current-limiting resistance R1, the other end of the first current-limiting resistance R1 is connected with 4 pin of DC decompression chip U1, the end of the first filter inductance L1, the negative terminal of the second schottky diode D2 is connected with 2 pin of DC decompression chip U1, the other end of the first filter inductance L1, the positive pole of the tenth electrolytic capacitor filter C10, the end of the 4th filter capacitor C4, the end of the second feedback resistance R2, the end of the 5th filter capacitor C5, the termination 3.3V power supply of the 3rd current-limiting resistance R3, the anode of the second schottky diode D2, the negative pole of the tenth electrolytic capacitor filter C10, the other end ground connection of the 4th filter capacitor C4, the other end of the second feedback resistance R2, the other end of the 5th filter capacitor C5, the end of the 14 feedback resistance R14 is connected with 3 pin of DC decompression chip U1, the other end of the 3rd current-limiting resistance R3 is connected with the anode of the 4th light emitting diode D4, the negative terminal of the 4th light emitting diode D4, the other end ground connection of the 14 feedback resistance R14,5 of DC decompression chip U1,6,7,8 pin ground connection, power supply BT1 adopts 12V lithium battery group, the DC decompression chip adopts the AX3007-3.3V of AXElite company, the first schottky diode D1 adopts schottky diode 1N5819, be used for determining the working current direction, prevent the anti-chip that burns of battery dress, the second schottky diode D2 adopts 1N5819/SS14, the 4th light emitting diode D4 adopts red light emitting diodes, being used to refer to working power connects, the first electrolytic capacitor filter C1 adopts 470 μ F/25V electrochemical capacitors, the 3rd filter capacitor C3 adopts the X7R electric capacity of 0.1 μ F/50V, be used for battery supply is carried out filtering, the 4th filter capacitor C4 adopts the X7R electric capacity of 0.1 μ F/50V, the 5th filter capacitor C5 adopts the X7R electric capacity of 0.01 μ F/50V, the tenth electrolytic capacitor filter C10 adopts 470 μ F/10V electrochemical capacitors, with the 4th filter capacitor the 3.3V power supply is carried out filtering, the first filter inductance L1 adopts 33 μ H inductance, form the 3.3V working power with second schottky diode, the first current-limiting resistance R1 adopts 20k Ω resistance, be used for limiting and enable electric current, the second feedback resistance R2 adopts 3.0k Ω resistance, the 14 feedback resistance R14 adopts 1.4k Ω resistance, be used for that feedback circuit is carried out dividing potential drop and regulate, power circuit is used for providing required direct supply to microcontroller and peripheral sensor.
As shown in Figure 7, the LCD display interface circuit comprises the 8th filter capacitor C8, the 18 potentiometer R18, the 9th filter capacitor C9, the 19 current-limiting resistance R19, the 17 current-limiting resistance R17, the first triode Q1, the 22 pull-up resistor R22, the 23 current-limiting resistance R23, LCD shield 20 core interface J8; LCD shields 1 pin of 20 core interface J8, the end ground connection of the 8th filter capacitor C8, LCD shields 2 pin of 20 core interface J8, the other end of the 8th filter capacitor C8, one termination 3.3V power supply of the non-resistance trimming end of the 18 potentiometer R18,3 pin that LCD shields 20 core interface J8 are connected with the resistance trimming end of the 18 potentiometer R18, the other end of the non-resistance trimming end of the 18 potentiometer R18 is connected with 18 pin that LCD shields 20 core interface J8,4 pin that LCD shields 20 core interface J8 are connected with 21 pin of microcontroller, 5 pin that LCD shields 20 core interface J8 are connected with 22 pin of microcontroller, 6 pin that LCD shields 20 core interface J8 are connected with 25 pin of microcontroller, 7 pin that LCD shields 20 core interface J8 are connected with 8 pin of microcontroller, 8 pin that LCD shields 20 core interface J8 are connected with 9 pin of microcontroller, 9 pin that LCD shields 20 core interface J8 are connected with 10 pin of microcontroller, 10 pin that LCD shields 20 core interface J8 are connected with 11 pin of microcontroller, 11 pin that LCD shields 20 core interface J8 are connected with 24 pin of microcontroller, 12 pin that LCD shields 20 core interface J8 are connected with 25 pin of microcontroller, 13 pin that LCD shields 20 core interface J8 are connected with 37 pin of microcontroller, 14 pin that LCD shields 20 core interface J8 are connected with 38 pin of microcontroller, 15 pin that LCD shields 20 core interface J8 are connected with 39 pin of microcontroller, 16 pin that LCD shields 20 core interface J8 are connected with 40 pin of microcontroller, LCD shields 17 pin of 20 core interface J8, the end of the 9th filter capacitor C9, the end of the 19 current-limiting resistance R19 is connected with 41 pin of microcontroller, the other end ground connection of the 9th filter capacitor C9, the other end of the 19 current-limiting resistance R19, the emitter of the first triode Q1, the termination 3.3V power supply of the 22 pull-up resistor R22, the other end of the 22 pull-up resistor R22, the end of the 23 current-limiting resistance R23 is connected with the base stage of the first triode Q1, the collector of the first triode Q1 is connected with the end of the 17 current-limiting resistance R17, the other end of the 17 current-limiting resistance R17 is connected with 19 pin that LCD shields 20 core interface J8, LCD shields the 20 pin ground connection of 20 core interface J8, the other end of the 23 current-limiting resistance R23 is connected with 36 pin of microcontroller, the 8th filter capacitor C8 adopts the X7R electric capacity of 0.1 μ F/50V, be used for LCD display module power supply is carried out filtering, the 18 potentiometer R18 adopts 20k Ω potentiometer, be used for regulating the lcd screen display brightness, the 9th filter capacitor C9 is with the X7R electric capacity of 0.1 μ F/50V, be used for LCD reset terminal signal is carried out filtering, prevent unexpected reset, the 19 current-limiting resistance R19 adopts the resistance of 10k Ω, be used for the LCD resetting current is carried out current limliting, the 17 current-limiting resistance R17 adopts the resistance of 10k Ω, be used for the LCD back facet current is carried out current limliting, the first triode Q1 adopts the positive-negative-positive triode, be used for closing or opening to LCD is backlight, the 22 pull-up resistor R22 adopts the resistance of 10k Ω, be used for the first triode Q1 is carried out the quiescent point setting, the 23 current-limiting resistance R23 adopts the resistance of 10k Ω, be used for the first triode Q1 base current is provided with, the LCD display interface circuit is used to connect LCD display and microcontroller, shows crane laser detecting apparatus feature list and detects data.
As shown in Figure 8, the keystroke interface circuit comprises the 24 divider resistance R24, the 25 divider resistance R25, the 26 divider resistance R26, the 27 divider resistance R27, the 28 divider resistance R28, the 29 divider resistance R29, the 30 fen piezoresistance R30, the 31 divider resistance R31, the 32 current-limiting resistance R32, the second keyswitch S2, the 3rd keyswitch S3, the 4th keyswitch S4, the 5th keyswitch S5, the 6th keyswitch S6, the 7th keyswitch S7, the 8th keyswitch S8, the 9th keyswitch S9, the 27 filter capacitor C27, button simulating signal sampling interface J10; The termination 3.3V power supply of the 24 divider resistance R24, the other end of the 24 divider resistance R24, the end of the second keyswitch S2 is connected with the end of the 25 divider resistance R25, the other end of the 25 divider resistance R25, the end of the 3rd keyswitch S3 is connected with the end of the 26 divider resistance R26, the other end of the 26 divider resistance R26, the end of the 4th keyswitch S4 is connected with the end of the 27 divider resistance R27, the other end of the 27 divider resistance R27, the end of the 5th keyswitch S5 is connected with the end of the 28 divider resistance R28, the 28 divider resistance R28 other end, the end of the 6th keyswitch S6 is connected with the end of the 29 divider resistance R29, the other end of the 29 divider resistance R29, the end of the 7th keyswitch S7 is connected with the end of the 30 fen piezoresistance R30, the other end of the 30 fen piezoresistance R30, the end of the 8th keyswitch S8 is connected with the end of the 31 divider resistance R31, the other end of the 31 divider resistance R31 is connected with the end of the 9th keyswitch S9, the other end of the second keyswitch S2, the other end of the 3rd keyswitch S3, the other end of the 4th keyswitch S4, the other end of the 5th keyswitch S5, the other end of the 6th keyswitch S6, the other end of the 7th keyswitch S7, the other end of the 8th keyswitch S8, the other end of the 9th keyswitch S9, the end of the 27 filter capacitor C27, the end of the 32 divider resistance R32 is connected with 3 pin of button simulating signal sampling interface J10, the other end of the 27 filter capacitor C27, the other end ground connection of the 32 divider resistance R32, the 2 pin ground connection of button simulating signal sampling interface J10,1 pin of button simulating signal sampling interface J10 connects the 3.3V power supply, the 24 divider resistance R24 adopts the resistance of 1k Ω, the 25 divider resistance R25 adopts the resistance of 2k Ω, the 26 divider resistance R26 adopts the resistance of 3k Ω, the 27 divider resistance R27 adopts the resistance of 4.7k Ω, the 28 divider resistance R28 adopts the resistance of 6.8k Ω, the 29 divider resistance R29 adopts the resistance of 8.2k Ω, the 30 fen piezoresistance R30 adopts the resistance of 10k Ω, the 31 divider resistance R30 adopts the resistance of 20k Ω, the 32 divider resistance R32 adopts the resistance of 10k Ω, these resistance are used to produce different voltage signals, as push button signalling, the 27 filter capacitor C27 adopts the X7R electric capacity of 0.1 μ F, be used for push button signalling is carried out filtering, the keystroke interface circuit is used to produce push button signalling.
As shown in Figure 9, low-voltage detection circuit comprises the second ten fens piezoresistance R20, the 21 divider resistance R21, the second filter capacitor C2; The termination PWR power supply of the second ten fens piezoresistance R20, the other end of the second ten fens piezoresistance R20, the end of the 21 divider resistance R21, the end of the second filter capacitor C2 is connected with 15 pin of microcontroller, the other end of the 21 divider resistance R21, the other end ground connection of the second filter capacitor C2, the second ten fens piezoresistance R20 adopt the resistance of 27k Ω, be used for cell voltage is carried out dividing potential drop, the 21 divider resistance R21 adopts the resistance of 10k Ω, be used for cell voltage is carried out dividing potential drop, the second filter capacitor C2 adopts the X7R electric capacity of 0.1 μ F, be used for the cell voltage after the dividing potential drop is carried out filtering, whether low-voltage detection circuit is used to detect battery under-voltage, judges whether battery can continue external sensor is powered to keep the operate as normal of sensor.
As shown in figure 10, JTAG emulation interface circuit comprises the 4th pull-up resistor R4, the 5th pull-up resistor R5, the 6th pull-up resistor R6, the 7th pull-up resistor R7, the 8th pull-up resistor R8, the 9th pull-up resistor R9, the 11 pull-up resistor R11, the 12 pull-up resistor R12, emulator 20 core interface JP1; The end of the 4th pull-up resistor R4, the end of the 5th pull-up resistor R5, the end of the 6th pull-up resistor R6, the end of the 7th pull-up resistor R7, the termination 3.3V power supply of the 8th pull-up resistor R8, the other end of the 4th pull-up resistor R4 is connected with 13 pin of emulator 20 core interface JP1, the other end of the 5th pull-up resistor R5 is connected with 9 pin of emulator 20 core interface JP1, the other end of the 6th pull-up resistor R6 is connected with 7 pin of emulator 20 core interface JP1, the other end of the 7th pull-up resistor R7 is connected with 5 pin of emulator 20 core interface JP1, the other end of the 8th pull-up resistor R8 is connected with 3 pin of emulator 20 core interface JP1, the end of the 9th pull-up resistor R9, the end of the 11 pull-up resistor R11, the end ground connection of the 12 pull-up resistor R12, the other end of the 9th pull-up resistor R9 is connected with 11 pin of emulator 20 core interface JP1, the other end of the 11 pull-up resistor R11 is connected with 17 pin of emulator 20 core interface JP1, the other end of the 12 pull-up resistor R12 is connected with 19 pin of emulator 20 core interface JP1,15 pin of emulator 20 core interface JP1 are connected with 7 pin of microcontroller, 1 of emulator 20 core interface JP1,2 pin connect the 3.3V power supply, 4 of emulator 20 core interface JP1,6,8,10,12,14,16,18,20 pin ground connection, the 4th pull-up resistor R4 adopts the resistance of 10k Ω, the 5th pull-up resistor R5 adopts the resistance of 10k Ω, the 6th pull-up resistor R6 adopts the resistance of 10k Ω, the 7th pull-up resistor R7 adopts the resistance of 10k Ω, the 8th pull-up resistor R8 adopts the resistance of 10k Ω, the 4th, five, six, seven, eight pull-up resistors are used for the resistance that the 9th pull-up resistor R9 adopts 10k Ω, the 11 pull-up resistor R11 adopts the resistance of 10k Ω, the 12 pull-up resistor R12 adopts the resistance of 10k Ω, these eight resistance are all as the pull-up resistor of microcontroller IO mouth, and JTAG emulation interface circuit is used for the microcontroller hardware circuit is carried out on-line debugging and program writes.
As shown in figure 11, laser range sensor interface circuit and RS232 interface circuit comprise twelvefold pressure charge pump capacitor C 12, the 13 filter capacitor C13, the 14 multiplication of voltage charge pump capacitor C 14, the 15 filter capacitor C15, RS-232 transceiver U2, the 16 filter capacitor C16, laser range sensor 4 core interface J2, RS232 interface circuit 3 core interface J1; Twelvefold presses an end of charge pump capacitor C 12 to be connected with 1 pin of RS-232 transceiver U2, twelvefold presses the other end of charge pump capacitor C 12 to be connected with 3 pin of RS-232 transceiver U2, the end of the 13 filter capacitor C13 is connected with 2 pin of RS-232 transceiver U2, the other end ground connection of the 13 filter capacitor C13, one end of the 14 multiplication of voltage charge pump capacitor C 14 is connected with 4 pin of RS-232 transceiver U2, the other end of the 14 multiplication of voltage charge pump capacitor C 14 is connected with 5 pin of RS-232 transceiver U2, the end of the 15 filter capacitor C15 is connected with 6 pin of RS-232 transceiver U2, the other end ground connection of the 15 filter capacitor C15,7 pin of RS-232 transceiver U2 are connected with 2 pin of RS232 interface circuit 3 core interface J1,8 pin of RS-232 transceiver U2 are connected with 1 pin of RS232 interface circuit 3 core interface J1, the 3 pin ground connection of RS232 interface circuit 3 core interface J1,9 pin of RS-232 transceiver U2 are connected with 17 pin of microcontroller, 10 pin of RS-232 transceiver U2 are connected with 16 pin of microcontroller, 11 pin of RS-232 transceiver U2 are connected with 42 pin of microcontroller, 12 pin of RS-232 transceiver U2 are connected with 43 pin of microcontroller, 13 pin of RS-232 transceiver U2 are connected with 2 pin of laser range sensor 4 core interface J2,14 pin of RS-232 transceiver U2 are connected with 1 pin of laser range sensor 4 core interface J2, the 3 pin ground connection of laser range sensor 4 core interface J2,4 pin of laser range sensor 4 core interface J2 meet power supply PWR, 15 pin of RS-232 transceiver U2, the end ground connection of the 16 filter capacitor C16,16 pin of RS-232 transceiver U2, another termination 3.3V power supply of the 16 filter capacitor C16, twelvefold presses charge pump capacitor C 12 to adopt the X7R electric capacity of 0.1 μ F, the 13 filter capacitor C13 adopts the X7R electric capacity of 0.1 μ F, be used for the MAX3232 chip power is carried out filtering, the 14 multiplication of voltage charge pump capacitor C 14 adopts the X7R electric capacity of 0.1 μ F, the 15 filter capacitor C15 adopts the X7R electric capacity of 0.1 μ F, be used for the MAX3232 chip power is carried out filtering, the RS-232 transceiver adopts the MX3232 chip of Maxim company, carry out the transmission and the reception of serial signal, the 16 filter capacitor C16 adopts the X7R electric capacity of 0.1 μ F, be used for RS232 interface power unit is carried out filtering, laser range sensor interface circuit and RS232 interface circuit are used for microcontroller and receive the laser range sensor signal and carry out data transmission with host computer.
The course of work of the present invention is: after self-lock switch S1 is pressed among Fig. 6, the lithium battery of 12V begins to laser range sensor, angular transducer power supply and step-down chip AX30007 power supply, AX3007 output+3.3V, all use the device of 3.3V power supply to start working in the circuit.U6 microcontroller STM32F103R8 powers among Fig. 3, and embedded program brings into operation, and after the initialization of microcontroller internal module is finished, calibration parameter is read and is used by the AT24LC08 circuit among Fig. 5.The LCD that the LCD display interface is connect among Fig. 7 begins to show measurement menu, and the user can select accordingly and operates by the function button among Fig. 8, and the embedded program of microcontroller STM32F103R8 is carried out corresponding action.If the operator has selected a certain measurement, then microcontroller starts angular measurement sensor and distance measuring sensor and obtains angle and distance information by Fig. 4 angular measurement sensor interface circuit and Figure 11 laser range sensor interface circuit, and the microcontroller internal processes will show through handling by lcd screen prompting operation process and with the data that measure.Microcontroller utilizes the low-voltage detection circuit that is formed by divider resistance among Fig. 9 to obtain the supply voltage of electric battery, if be lower than certain value, then reports to the police, and provides the prompting of changing battery.
Claims (1)
1. crane laser detection instrument circuit, comprise microcontroller, angular transducer interface circuit, data storage circuitry, power circuit, LCD display interface circuit, keystroke interface circuit, low-voltage detection circuit, JTAG emulation interface circuit, laser range sensor interface circuit and RS232 interface circuit, it is characterized in that:
The angular transducer interface circuit is connected with micro controller I/O mouth signal, data storage circuitry is connected with microcontroller I/O mouth signal, the LCD display interface circuit is connected with micro controller I/O mouth signal, the keystroke interface circuit is connected with the analog digital sample port signal of microcontroller, low-voltage testing circuit is connected with the interruption mouth signal of microcontroller, JTAG emulation interface circuit is connected with micro controller I/O mouth signal, and the laser range sensor interface circuit is connected with the rs 232 serial interface signal of microcontroller with the RS232 interface circuit; It is the chip of STM32F103R8 that described microcontroller adopts the model of STMicroelectronics company;
Described angular transducer interface circuit comprises the 7th filter capacitor C7, RS485 physical chip U4, angular transducer 6 core interface JP2; The 7th capacitor C 7 one ends, 1 pin of physical chip U4 is connected with the 3.3V power supply, the 7th capacitor C 7 other end ground connection, 2 pin of physical chip U4 are connected with 45 pin of microcontroller, 3 pin of physical chip U4 are connected with 44 pin of microcontroller, the 4 pin ground connection of physical chip U4,5 pin of physical chip U4 are connected with 4 pin of angular measurement sensor 6 core interface JP2,6 pin of physical chip U4 are connected with 3 pin of angular measurement sensor 6 core interface JP2,7 pin of physical chip U4 are connected with 2 pin of angular measurement sensor 6 core interface JP2,8 pin of physical chip U4 are connected with 1 pin of angular measurement sensor 6 core interface JP2, the 5 pin ground connection of angular measurement sensor 6 core interface JP2,6 pin of angular measurement sensor 6 core interface JP2 meet power supply PWR; Described RS485 physical chip U4 adopts the SP3490 chip of Sipex company
Described data storage circuitry comprises data-carrier store U5, the 17 filter capacitor C17, the 15 pull-up resistor R15, the 16 pull-up resistor R16; 1 pin of data-carrier store U5,2 pin, 3 pin and 4 pin ground connection, 5 pin of data-carrier store U5, the end of the 15 pull-up resistor R15 are connected with 59 pin of microcontroller, another termination 3.3V power supply of the 15 pull-up resistor R15,6 pin of data-carrier store U5, the end of the 16 pull-up resistor R16 are connected with 58 pin of microcontroller, another termination 3.3V power supply of the 16 pull-up resistor R16,7 pin of data-carrier store U5, the end ground connection of the 17 filter capacitor C17, another termination 3.3V power supply of 8 pin of data-carrier store U5, the 17 filter capacitor C17; Described pin-saving chip U5 adopts the AT24LC08 chip of Atmel company;
Described power circuit comprises power supply BT1, DC decompression chip U1, the first self-lock switch S1, the first schottky diode D1, the second schottky diode D2, the 4th light emitting diode D4, the first electrolytic capacitor filter C1, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the tenth electrolytic capacitor filter C10, the first filter inductance L1, the first current-limiting resistance R1, the second feedback resistance R2, the 3rd current-limiting resistance R3, the 14 feedback resistance R14; Power supply BT1 minus earth, the positive pole of power supply BT1 is connected with the end of the first self-lock switch S1, the anode of the other end of the first self-lock switch S1 and the first schottky diode D1, the negative terminal of the first schottky diode D1, the positive pole of the first electrolytic capacitor filter C1, the end of the 3rd filter capacitor C3 is connected with 1 pin of DC decompression chip U1, the negative pole of the first electrolytic capacitor filter C1, the other end of the 3rd filter capacitor C3 is connected with the end of the first current-limiting resistance R1, the other end of the first current-limiting resistance R1 is connected with 4 pin of DC decompression converter U1, the end of the first filter inductance L1, the negative terminal of the second schottky diode D2 is connected with 2 pin of DC decompression chip U1, the other end of the first filter inductance L1, the positive pole of the tenth electrolytic capacitor filter C10, the end of the 4th filter capacitor C4, the end of the second current-limiting resistance R2, the end of the 5th filter capacitor C5, the termination 3.3V power supply of the 3rd current-limiting resistance R3, the anode of the second schottky diode D2, the negative pole of the tenth electrolytic capacitor filter C10, the other end ground connection of the 4th filter capacitor C4, the other end of the second feedback resistance R2, the other end of the 5th filter capacitor C5, the end of the 14 feedback resistance R14 is connected with 3 pin of DC decompression chip U1, the other end of the 3rd current-limiting resistance R3 is connected with the anode of the 4th light emitting diode D4, the negative terminal of the 4th light emitting diode D4, the other end ground connection of the 14 feedback resistance R14,5 of DC decompression chip U1,6,7,8 pin ground connection; Described DC decompression chip U1 adopts the AX3007-3.3V of AXElite company
Described LCD display interface circuit comprises the 8th filter capacitor C8, the 18 potentiometer R18, the 9th filter capacitor C9, the 19 current-limiting resistance R19, the 17 current-limiting resistance R17, the first triode Q1, the 22 pull-up resistor R22, the 23 current-limiting resistance R23, LCD shield 20 core interface J8; LCD shields 1 pin of 20 core interface J8, the end ground connection of the 8th filter capacitor C8, LCD shields 2 pin of 20 core interface J8, the other end of the 8th filter capacitor C8, one termination 3.3V power supply of the non-resistance trimming end of the 18 potentiometer R18,3 pin that LCD shields 20 core interface J8 are connected with the resistance trimming end of the 18 potentiometer R18, the other end of the non-resistance trimming end of the 18 potentiometer R18 is connected with 18 pin that LCD shields 20 core interface J8,4 pin that LCD shields 20 core interface J8 are connected with 21 pin of microcontroller, 5 pin that LCD shields 20 core interface J8 are connected with 22 pin of microcontroller, 6 pin that LCD shields 20 core interface J8 are connected with 25 pin of microcontroller, 7 pin that LCD shields 20 core interface J8 are connected with 8 pin of microcontroller, 8 pin that LCD shields 20 core interface J8 are connected with 9 pin of microcontroller, 9 pin that LCD shields 20 core interface J8 are connected with 10 pin of microcontroller, 10 pin that LCD shields 20 core interface J8 are connected with 11 pin of microcontroller, 11 pin that LCD shields 20 core interface J8 are connected with 24 pin of microcontroller, 12 pin that LCD shields 20 core interface J8 are connected with 25 pin of microcontroller, 13 pin that LCD shields 20 core interface J8 are connected with 37 pin of microcontroller, 14 pin that LCD shields 20 core interface J8 are connected with 38 pin of microcontroller, 15 pin that LCD shields 20 core interface J8 are connected with 39 pin of microcontroller, 16 pin that LCD shields 20 core interface J8 are connected with 40 pin of microcontroller, LCD shields 17 pin of 20 core interface J8, the end of the 9th filter capacitor C9, the end of the 19 current-limiting resistance R19 is connected with 41 pin of microcontroller, the other end ground connection of the 9th filter capacitor C9, the other end of the 19 current-limiting resistance R19, the emitter of the first triode Q1, the termination 3.3V power supply of the 22 pull-up resistor R22, the other end of the 22 pull-up resistor R22, the end of the 23 current-limiting resistance R23 is connected with the base stage of the first triode Q1, the collector of the first triode Q1 is connected with the end of the 17 current-limiting resistance R17, the other end of the 17 current-limiting resistance R17 is connected with 19 pin that LCD shields 20 core interface J8, LCD shields the 20 pin ground connection of 20 core interface J8, and the other end of the 23 current-limiting resistance R23 is connected with 36 pin of microcontroller;
Described keystroke interface circuit comprises the 24 divider resistance R24, the 25 divider resistance R25, the 26 divider resistance R26, the 27 divider resistance R27, the 28 divider resistance R28, the 29 divider resistance R29, the 30 fen piezoresistance R30, the 31 divider resistance R31, the 32 divider resistance R32, the 32 divider resistance R32, the second keyswitch S2, the 3rd keyswitch S3, the 4th keyswitch S4, the 5th keyswitch S5, the 6th keyswitch S6, the 7th keyswitch S7, the 8th keyswitch S8, the 9th keyswitch S9, the 27 filter capacitor C27, button simulating signal sampling interface J10; The termination 3.3V power supply of the 24 divider resistance R24, the other end of the 24 current-limiting resistance R24, the end of the second keyswitch S2 is connected with the end of the 25 divider resistance R25, the other end of the 25 divider resistance R25, the end of the 3rd keyswitch S3 is connected with the end of the 26 divider resistance R26, the other end of the 26 divider resistance R26, the end of the 4th keyswitch S4 is connected with the end of the 27 divider resistance R27, the other end of the 27 divider resistance R27, the end of the 5th keyswitch S5 is connected with the end of the 28 divider resistance R28, the 28 current-limiting resistance R28 other end, the end of the 6th keyswitch S6 is connected with the end of the 29 divider resistance R29, the other end of the 29 divider resistance R29, the end of the 7th keyswitch S7 is connected with the end of the 30 fen piezoresistance R30, the other end of the 30 fen piezoresistance R30, the end of the 8th keyswitch S8 is connected with the end of the 31 divider resistance R31, the other end of the 31 divider resistance R31 is connected with the end of the 9th keyswitch S9, the other end of the second keyswitch S2, the other end of the 3rd keyswitch S3, the other end of the 4th keyswitch S4, the other end of the 5th keyswitch S5, the other end of the 6th keyswitch S6, the other end of the 7th keyswitch S7, the other end of the 8th keyswitch S8, the other end of the 9th keyswitch S9, the end of the 27 filter capacitor C27, the end of the 32 divider resistance R32 is connected with 3 pin of button simulating signal sampling interface J10, the other end of the 27 filter capacitor C27, the other end ground connection of the 32 divider resistance R32, the 2 pin ground connection of button simulating signal sampling interface J10,1 pin of button simulating signal sampling interface J10 connects the 3.3V power supply;
Described low-voltage detection circuit comprises the second ten fens piezoresistance R20, the 21 divider resistance R21, the second filter capacitor C2; The termination PWR power supply of the second ten fens piezoresistance R20, the other end of the second ten fens piezoresistance R20, the end of the 21 divider resistance R21, the end of the second filter capacitor C2 are connected the other end ground connection of the other end of the 21 divider resistance R21, the second filter capacitor C2 with 15 pin of microcontroller;
Described JTAG emulation interface circuit comprises the 4th pull-up resistor R4, the 5th pull-up resistor R5, the 6th pull-up resistor R6, the 7th pull-up resistor R7, the 8th pull-up resistor R8, the 9th pull-up resistor R9, the 11 pull-up resistor R11, the 12 pull-up resistor R12, emulator 20 core interface JP1; The end of the 4th pull-up resistor R4, the end of the 5th pull-up resistor R5, the end of the 6th pull-up resistor R6, the end of the 7th pull-up resistor R7, the termination 3.3V power supply of the 8th pull-up resistor R8, the other end of the 4th pull-up resistor R4 is connected with 13 pin of emulator 20 core interface JP1, the other end of the 5th pull-up resistor R5 is connected with 9 pin of emulator 20 core interface JP1, the other end of the 6th pull-up resistor R6 is connected with 7 pin of emulator 20 core interface JP1, the other end of the 7th pull-up resistor R7 is connected with 5 pin of emulator 20 core interface JP1, the other end of the 8th pull-up resistor R8 is connected with 3 pin of emulator 20 core interface JP1, the end of the 9th pull-up resistor R9, the end of the 11 pull-up resistor R11, the end ground connection of the 12 pull-up resistor R12, the other end of the 9th pull-up resistor R9 is connected with 11 pin of emulator 20 core interface JP1, the other end of the 11 pull-up resistor R11 is connected with 17 pin of emulator 20 core interface JP1, the other end of the 12 pull-up resistor R12 is connected with 19 pin of emulator 20 core interface JP1,15 pin of emulator 20 core interface JP1 are connected with 7 pin of microcontroller, 1 of emulator 20 core interface JP1,2 pin connect the 3.3V power supply, 4 of emulator 20 core interface JP1,6,8,10,12,14,16,18,20 pin ground connection;
Described laser range sensor interface circuit and RS232 interface circuit comprise twelvefold pressure charge pump capacitor C 12, the 13 filter capacitor C13, the 14 multiplication of voltage charge pump capacitor C 14, the 15 filter capacitor C15, physical chip RS-232 transceiver U2, the 16 filter capacitor C16, laser range sensor 4 core interface J2, RS232 interface circuit 3 core interface J1; Twelvefold presses an end of charge pump capacitor C 12 to be connected with 1 pin of RS-232 transceiver U2, twelvefold presses the other end of charge pump capacitor C 12 to be connected with 3 pin of RS-232 transceiver U2, the end of the 13 filter capacitor C13 is connected with 2 pin of RS-232 transceiver U2, the other end ground connection of the 13 filter capacitor C13, one end of the 14 multiplication of voltage charge pump capacitor C 14 is connected with 4 pin of RS-232 transceiver U2, the other end of the 14 multiplication of voltage charge pump capacitor C 14 is connected with 5 pin of RS-232 transceiver U2, the end of the 15 filter capacitor C15 is connected with 6 pin of RS-232 transceiver U2, the other end ground connection of the 15 filter capacitor C15,7 pin of RS-232 transceiver U2 are connected with 2 pin of RS232 interface circuit 3 core interface J1,8 pin of RS-232 transceiver U2 are connected with 1 pin of RS232 interface circuit 3 core interface J1, the 3 pin ground connection of RS232 interface circuit 3 core interface J1,9 pin of RS-232 transceiver U2 are connected with 17 pin of microcontroller, 10 pin of RS-232 transceiver U2 are connected with 16 pin of microcontroller, 11 pin of RS-232 transceiver U2 are connected with 42 pin of microcontroller, 12 pin of RS-232 transceiver U2 are connected with 43 pin of microcontroller, 13 pin of RS-232 transceiver U2 are connected with 2 pin of laser range sensor 4 core interface J2,14 pin of RS-232 transceiver U2 are connected with 1 pin of laser range sensor 4 core interface J2, the 3 pin ground connection of laser range sensor 4 core interface J2,4 pin of laser range sensor 4 core interface J2 meet power supply PWR, 15 pin of RS-232 transceiver U2, the end ground connection of the 16 filter capacitor C16,16 pin of RS-232 transceiver U2, another termination 3.3V power supply of the 16 filter capacitor C16, described RS-232 transceiver U2 adopts the MX3232 chip of Maxim company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101127951A CN102297667B (en) | 2011-05-03 | 2011-05-03 | Laser detector circuit for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101127951A CN102297667B (en) | 2011-05-03 | 2011-05-03 | Laser detector circuit for crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102297667A true CN102297667A (en) | 2011-12-28 |
| CN102297667B CN102297667B (en) | 2012-11-28 |
Family
ID=45358243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101127951A Active CN102297667B (en) | 2011-05-03 | 2011-05-03 | Laser detector circuit for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102297667B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095537C (en) * | 1999-01-25 | 2002-12-04 | 太原重型机械(集团)有限公司 | Laser detection method and apparatus for lower flexibility of main girder of crane |
| CN201318935Y (en) * | 2008-12-12 | 2009-09-30 | 李代会 | Laser arch measuring instrument |
| CN202041188U (en) * | 2011-05-03 | 2011-11-16 | 杭州电子科技大学 | Laser detecting instrument circuit for crane |
-
2011
- 2011-05-03 CN CN2011101127951A patent/CN102297667B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095537C (en) * | 1999-01-25 | 2002-12-04 | 太原重型机械(集团)有限公司 | Laser detection method and apparatus for lower flexibility of main girder of crane |
| CN201318935Y (en) * | 2008-12-12 | 2009-09-30 | 李代会 | Laser arch measuring instrument |
| CN202041188U (en) * | 2011-05-03 | 2011-11-16 | 杭州电子科技大学 | Laser detecting instrument circuit for crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102297667B (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106338255B (en) | A kind of Trigger jitter detection device applied to reservoir dam monitoring system | |
| CN105699616A (en) | Multi-parameter water quality detecting and rating system and water quality rating method based on same | |
| CN105179013A (en) | Coal illegal mining monitoring method based on vibration monitoring and positioning | |
| CN103472819A (en) | Remote monitoring system for autocrane operation reliability tests | |
| CN107643712A (en) | A kind of Multi-sensor intelligent monitoring device | |
| CN105021221A (en) | Distributed multi-terminal concurrent data acquisition and analysis system | |
| CN105572045A (en) | Portable water quality analyzer | |
| CN202041188U (en) | Laser detecting instrument circuit for crane | |
| CN114509112A (en) | Wireless bridge health remote multi-parameter monitoring system | |
| CN2872312Y (en) | Agricultural environmental factor collector | |
| CN210270114U (en) | Fault detector for heavy-duty mechanized bridge erection system | |
| CN102297667B (en) | Laser detector circuit for crane | |
| CN203011594U (en) | Micro-power-consumption integrated indicator based on wireless Internet of Things | |
| CN203011426U (en) | Integrated hydropower station environment parameter monitor | |
| CN203480350U (en) | Wireless humiture measurement and control system | |
| CN205720196U (en) | Multi-parameter water quality detecting system | |
| CN109342206A (en) | Intelligent radio pile measurement manages system | |
| CN103337154A (en) | Intelligent wireless digital-readout displacement detection/monitoring system | |
| CN201110768Y (en) | Large-capacity humidity and temperature recorder | |
| CN201819712U (en) | Gas ultrasonic flow metering unit based on DSP (Digital Signal Processor) | |
| CN202092985U (en) | Oil quality detecting device | |
| CN2816810Y (en) | Soil-water-content space distribution quick detector | |
| CN202946137U (en) | Digital indicator of pumping well based on multi-sensor information fusion | |
| CN210513018U (en) | Wireless crack monitor | |
| CN206248536U (en) | Air quality monitoring and prior-warning device based on Internet of Things |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |