CN113108649A - Intelligent inclination angle early warning indication system for firework setting off and design method thereof - Google Patents
Intelligent inclination angle early warning indication system for firework setting off and design method thereof Download PDFInfo
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- CN113108649A CN113108649A CN202110385157.0A CN202110385157A CN113108649A CN 113108649 A CN113108649 A CN 113108649A CN 202110385157 A CN202110385157 A CN 202110385157A CN 113108649 A CN113108649 A CN 113108649A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
Abstract
The invention discloses an intelligent inclination angle early warning and indicating system for firework setting off and a design method thereof, which belong to the field of automatic control and can play a role in online inclination angle early warning and prompting for firework setting off. The device comprises a control processing module, an inclination angle measuring module in signal connection with the control processing module and an inclination angle display module in signal connection with the control processing module; the inclination angle measurement module is used for acquiring real-time inclination angle signals in the horizontal and vertical directions in real time, and acquiring and sending the real-time inclination angle signals to the control processing module; the control processing module is used for resolving the measured angle to generate a corresponding control instruction according to the obtained real-time measured real-time inclination angle signal and transmitting the control instruction to the inclination angle display module; the inclination angle display module is used for displaying an inclination angle according to the control instruction and sending out an early warning signal. The invention can specifically quantize the inclination angle range so as to more intuitively sense the inclination angle range and play a role of real-time early warning of overlarge inclination angle.
Description
Technical Field
The invention relates to an intelligent inclination angle early warning indicating system for firework setting off and a design method thereof, and belongs to the technical field of automatic circuits.
Background
"fireworks" refer to the sparks of various colors emitted by a pyrotechnic composition when set off, sometimes referred to as the pyrotechnic composition itself. At present, there are nine major categories of fireworks. Generally, the dressing is filled with medicament. After being ignited, the firework is sprayed in various colors and is fantastic in various scenes. Starting in Song Dynasty. Also known as "fireworks", it is commonly used in festivals.
With the continuous innovation of environment-friendly fireworks, the firework setting off becomes an indispensable part of celebration activities again, and is more popular among young people, but safety accidents are frequently caused by the firework setting off angle problem, so that an inclination angle early warning system device needs to be designed to realize an early warning function, and technical support is provided for the safe setting off of the fireworks.
In an inclination angle measurement indication alarm system of an angle detection control system technology, angle control accuracy is one of important parameters, but due to the characteristics of low angle control accuracy, low sensitivity and the like, the difficulty in displaying the inclination degree and the angle change of an inclination angle in real time is high. At present, the inclination angle measurement mainly comprises methods such as a geomagnetic inclination angle declination magnetometer, a Schulze type geomagnetic instrument, an Elliott geomagnetic instrument, an inclination angle inclination measuring sensor and the like. The geomagnetic inclination angle and declination magnetometer has a small application range, and can simply measure the absolute values of the geomagnetic inclination angle and the declination angle. The Schulze type geomagnetic instrument is mainly used for measuring geomagnetic inclination angles, ground electric fields in seismomagnetism, geomagnetic fields, ground resistivity, seismic electromagnetic disturbance and the like, but the instrument is large and heavy, and is difficult to adapt to a current highly integrated control system. Inclination angle inclinometer, which is generally used mainly for directly measuring the horizontal inclination angle in various inclination systems. But the precision is not high, and the instrument contains errors such as nonlinearity, repeatability, noise, zero offset drift, zero nonlinear drift and cross coupling.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an intelligent inclination angle early warning indicating system for firework setting off and a design method thereof, and can achieve the online inclination angle early warning and prompting effect in the control process.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides an intelligent inclination angle early warning indication system for firework setting off, which comprises a control processing module, an inclination angle measuring module in signal connection with the control processing module and an inclination angle display module in signal connection with the control processing module; the inclination angle measurement module is used for acquiring real-time inclination angle signals in the horizontal and vertical directions in real time, and acquiring and sending the real-time inclination angle signals to the control processing module; the control processing module is used for resolving the measured angle to generate a corresponding control instruction according to the obtained real-time measured real-time inclination angle signal and transmitting the control instruction to the inclination angle display module; the inclination angle display module is used for displaying an inclination angle according to the control instruction and sending out an early warning signal.
Furthermore, the intelligent inclination warning indicating system for firework setting off is of an L-shaped framework, has definite and perpendicular two-axis directions, is respectively provided with 5 paths of LED lamp beads on two axes, and is used for determining a horizontal angle as the single chip microcomputer and the sensor are arranged at the bottom of the horizontal plane and parallel to the X axis.
Further, the early warning indication system further comprises an IST8310 three-axis magnetic sensor for realizing heading measurement.
Further, the tilt angle measurement module comprises a micro inertial sensor; the micro inertial sensor comprises an ICM20602 chip, and the second pin and the third pin of the ICM20602 chip are directly connected with an I/O port of a main processor STM32 and are processed through an STM 32; one end of a part of pins of the ICM20602 chip is connected with a 1.71-3.45 VDC power supply, and is grounded through a capacitor of 10nF, a part of pins of the ICM20602 chip are directly grounded, and a part of pins of the ICM20602 chip are grounded through a capacitor of 0.1 uF; one part of pins of the ICM20602 chip is connected with a 1.71-3.45 VDC power supply in a terminating mode, and two capacitors of C20.1uf and C42.2uf are led out to be correspondingly grounded.
Further, the micro inertial sensor further comprises an IST8310 chip, and part of pins of the IST8310 chip are connected to the main processor; one end of a part of pins of the IST8310 chip is connected with a 1.71-3.45 VDC power supply (3.3V) and is grounded through a 0.1uF capacitor, a part of pins of the IST8310 chip are directly grounded through a 4.7uF capacitor, and a part of pins of the IST8310 chip are used for gating corresponding chip memory addresses.
Further, the inclination angle display module comprises LED lamp beads and an LED lamp bead driving circuit connected with the LED lamp beads, and the inclination angle display module calibrates an angle range by the number of the LED lamps which are turned on; the LED lamp bead driving circuit comprises an LED main chip connected with an I/O pin and a current-limiting resistor connected with the LED main chip in series.
Further, the control processing module comprises an ARM-STM32F103 microprocessor, and the ARM-STM32F103 microprocessor comprises a main chip, a reset circuit, a clock circuit and a power supply circuit; the RST end of the reset circuit is connected with a 7 th pin reset pin of the main chip; the clock circuit dominant frequency uses 8MHz crystal oscillator, and the ports are grounded through a capacitor respectively, and the ports are connected with the capacitor through the crystal oscillator.
In a second aspect, the invention provides a design method of an intelligent inclination angle early warning indication system for firework setting off, which comprises the following steps:
selecting item device selection of the intelligent inclination angle early warning indication system for firework setting off;
designing a hardware circuit of the intelligent inclination angle early warning indicating system for setting off fireworks and distributing a PCB (printed circuit board);
developing software functions of the intelligent inclination angle early warning indication system for firework setting off;
and carrying out function debugging on the intelligent inclination angle early warning and indicating system for setting off the fireworks.
Further, the method for developing the software function of the intelligent inclination angle early warning indication system for firework setting off comprises the following steps: developing in a Keil-MDK5 compiling environment, and modularizing one by one according to project requirements to develop functional modules; the functional module includes: hardware clock initialization of an ARM single chip microcomputer, initialization of LED functional pins, serial port initialization, SPI communication initialization, MPU6000 initialization, sensor calibration and dip algorithm calculation.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides an intelligent inclination angle early warning indicating system suitable for firework setting off and a design method thereof.
2. The invention is based on STM32 type single chip microcomputer and MEMS micro-electro-mechanical system technology, is also suitable for the inclination angle measurement of firework setting off industry or the inclination angle indicating system of mass entertainment (such as balance cars, aircrafts and the like), more specifically and intuitively senses the inclination angle range, and plays the role of real-time early warning of overlarge inclination angle.
3. The invention utilizes the MEMS accelerometer to measure the triaxial component of the gravitational acceleration on line, designs the filtering algorithm, effectively improves the measurement precision of the inclination angle, and is easy to be applied in industrial scenes by designing the low-power consumption micro embedded measurement system.
4. The intelligent inclination angle early warning indicating system provided by the invention is extended by adding the IST8310 three-axis magnetic sensor, so that the unmanned aerial vehicle can be subsequently subjected to the sailing direction measurement, and technical support is provided for the inclination angle measurement in the flight process of the unmanned aerial vehicle.
Drawings
FIG. 1 is a block diagram of the intelligent inclination angle warning and indicating system for firework setting off;
FIG. 2 is a flow chart of the design of the intelligent inclination angle early warning indication system for firework setting off;
FIG. 3 is a schematic diagram of the hardware design of the present invention;
FIG. 4 is a power-on-reset circuit diagram of the present invention;
FIG. 5 is a clock circuit diagram of the present invention;
FIG. 6 is a circuit diagram of the LED driver of the present invention;
FIG. 7 is a circuit diagram of the ICM20602 drive of the present invention;
fig. 8 is a diagram of an IST8310 driver circuit of the present invention;
FIG. 9 is a circuit diagram of a programming serial port of the present invention;
FIG. 10 is a diagram of the overall layout of the hardware PCB of the present invention, wherein (a) is the front side and (b) is the back side;
FIG. 11 is a pictorial view of an intelligent tilt angle indicating system of the present invention;
FIG. 12 is a diagram of a software compilation environment of the present invention;
FIG. 13 is a software operation flow diagram of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
the embodiment provides an intelligent inclination angle early warning and indicating system for firework setting off, which comprises a control processing module, an inclination angle measuring module in signal connection with the control processing module and an inclination angle display module in signal connection with the control processing module; the inclination angle measurement module is used for acquiring real-time inclination angle signals in the horizontal and vertical directions in real time, and acquiring and sending the real-time inclination angle signals to the control processing module; the control processing module is used for resolving the measured angle to generate a corresponding control instruction according to the obtained real-time measured real-time inclination angle signal and transmitting the control instruction to the inclination angle display module; the inclination angle display module is used for displaying an inclination angle according to the control instruction and sending out an early warning signal.
The intelligent inclination angle early warning indicating system for firework setting off is of an L-shaped framework, has definite two vertical axis directions, is respectively provided with 5 paths of LED lamp beads on two axes, and is used for determining a horizontal angle, wherein the single chip microcomputer and the sensor are arranged at the horizontal bottom and are parallel to an X axis.
The inclination angle measuring module comprises a micro inertial sensor; the micro inertial sensor comprises an ICM20602 chip, and the second pin and the third pin of the ICM20602 chip are directly connected with an I/O port of a main processor STM32 and are processed through an STM 32; one end of a part of pins of the ICM20602 chip is connected with a 1.71-3.45 VDC power supply, and is grounded through a capacitor of 10nF, a part of pins of the ICM20602 chip are directly grounded, and a part of pins of the ICM20602 chip are grounded through a capacitor of 0.1 uF; one part of pins of the ICM20602 chip is connected with a 1.71-3.45 VDC power supply in a terminating mode, and two capacitors of C20.1uf and C42.2uf are led out to be correspondingly grounded.
The micro inertial sensor further comprises an IST8310 chip, wherein part of pins of the IST8310 chip are connected to the main processor; one end of a part of pins of the IST8310 chip is connected with a 1.71-3.45 VDC power supply (3.3V) and is grounded through a 0.1uF capacitor, a part of pins of the IST8310 chip are directly grounded through a 4.7uF capacitor, and a part of pins of the IST8310 chip are used for gating corresponding chip memory addresses.
The inclination angle display module comprises LED lamp beads and an LED lamp bead driving circuit connected with the LED lamp beads, and the inclination angle display module calibrates an angle range by using the number of the LED lamps to be turned on; the LED lamp bead driving circuit comprises an LED main chip connected with an I/O pin and a current-limiting resistor connected with the LED main chip in series.
The control processing module comprises an ARM-STM32F103 microprocessor, and the ARM-STM32F103 microprocessor comprises a main chip, a reset circuit, a clock circuit and a power supply circuit; the RST end of the reset circuit is connected with a 7 th pin reset pin of the main chip; the clock circuit dominant frequency uses 8MHz crystal oscillator, and the ports are grounded through a capacitor respectively, and the ports are connected with the capacitor through the crystal oscillator.
The inclination angle measuring system with the STM32F103 chip as a control core acquires inclination angle data through the main sensor ICM20602 and controls the buzzer to alarm and the LED lamp beads to be turned on and off, so that the inclination degree and the angle change of the inclination angle are displayed, and the on-line inclination angle early warning prompt in the industrial control process is achieved. Meanwhile, the IST8310 three-axis magnetic sensor is expanded and added to realize course measurement, and the flicker of the lamp is correspondingly adjusted through course quadrant change.
Example two:
the embodiment provides an intelligent inclination warning indicating system is touched off to fireworks that uses STM32F103 chip as control core, gathers inclination data through main sensor ICM20602, and the control buzzer is reported to the police and is gone out with the bright of LED lamp pearl to the degree of inclination and the angle change that show the inclination angle, with the online inclination warning suggestion that reaches the industrial control in-process. Meanwhile, the IST8310 three-axis magnetic sensor is expanded and added to realize course measurement, and the flicker of the lamp is correspondingly adjusted through course quadrant change.
The intelligent inclination angle early warning indicating system for firework setting off has the main functional requirements that: the intelligent inclination angle early warning indicating system for firework setting off is characterized in that the core of the intelligent inclination angle early warning indicating system is a micro inertial sensor ICM20602, the real-time acquisition of output signals of the sensor is realized through a microcontroller, the measured angle is obtained by calculation, the angle range is quantized and finally calibrated by the number of the LED lamps, and the intelligent inclination angle early warning indicating system is mainly provided with a microcontroller control processing module, a micro inertial sensor signal sensing module, a signal acquisition processing function module and a system power supply control function module.
The embodiment also provides a design method of the intelligent inclination angle early warning indication system for firework setting off, the system comprises a functional block diagram, the system structure is shown in fig. 1, and the design flow chart of the main body is shown in fig. 2.
The project selects an ARM-STM32F103 microprocessor which is widely used in the market at present as a single chip microcomputer, the ICM20602 micro-inertia measurement sensor is adopted to realize the measurement of the inclination angle in the horizontal and vertical directions, and an inclination angle indication method is designed to realize the on-line on-off of the LED lamp beads.
The hardware design schematic diagram of the project is shown in FIG. 3.
The hardware design schematic diagram comprises an ARM microprocessor minimum system circuit, a 10-channel LED lamp bead driving circuit, an ICM20602 sensor acquisition circuit, a programming and serial port communication circuit and the like.
(1) STM32 minimal system circuit
The STM32 single chip microcomputer minimum system is composed of a main chip, a power-on reset circuit, a clock circuit and a power supply circuit. And the STM32 chip is reset low as can be seen by the chip handbook.
The design key points are as follows: the reset circuit RST end is connected with a 7 th pin reset pin of the main chip. When the power is on for a moment, the C2 is equivalent to a path grounding, the chip automatically resets, then VDD is stabilized, the C2 is equivalent to an open circuit, and the reset terminal CREST is always in a high level. Referring to fig. 4 and 5, the clock circuit uses an 8MHz crystal oscillator as the main frequency, port 5 and port 6 of STM32 are grounded through a capacitor respectively, and the port and the capacitor are connected by the crystal oscillator.
(2) LED lamp bead driving circuit
The design key points are as follows: and a single LED indicator lamp is used for displaying the system state. And the I/O pins of the LED main chip are connected. The series resistor is a current-limiting resistor, so that the light-emitting diode is prevented from being damaged by overlarge current, and the indicating lamp circuit is shown in the following figure 6:
(3) sensor acquisition circuit-ICM 20602 circuit
The design key points are as follows: FIG. 7 provides a chip connection diagram for the ICM20602 chip manual, and the inclination angle data can be read only by directly connecting the second and third pins of the chip with the I/O port of the main processor STM32 and processed through STM 32. Pin 1 is terminated with 1.71-3.45 VDC, 3.3V voltage obtained by the voltage reduction module is used in the circuit, one end is grounded through a capacitor of 10nF, pins 4, 9, 10, 11, 12, 13, 15 are directly grounded, and pin 14 is grounded through a capacitor of 0.1 uF. Pin No. 16 is connected with 1.71-3.45 VDC power source, and two capacitors of C20.1uf and C42.2uf are led out to be grounded correspondingly.
(4) Sensor acquisition circuit-IST 8310 circuit
The design key points are as follows: as with the IST8310 chip shown in fig. 8, pins 1 and 16 are connected to the main processor; pin No. 2 and pin No. 13 are connected to 1.71-3.45 VDC (3.3V) and grounded through a 0.1uF capacitor, and then pin No. 9 and pin No. 11 are directly grounded. Pin number 10 is directly connected to ground through a 4.7uF capacitor. Specific connection diagrams are as follows. And 5, 6 pins are attached to gate the corresponding chip memory addresses.
(5) Programming serial port circuit
The design key points are as follows: STM32 program download adopts SWD interface circuit, and the SWD interface includes VDD, I0-SWCLK, IO-SWDIO, GND four-wire, and number 4 pin VDD connects 3.3V step-down power supply, and number 3 pin ground connection, number 1 number 2 connects STM 32.
FIG. 9 Programming Serial Port Circuit
(6) Hardware PCB integral wiring diagram
The PCB overall wiring diagram adopts an L-shaped design framework to determine the directions of the XY two axes, 5 paths of LED lamp beads are respectively distributed on the two axes, and the single chip microcomputer and the sensor are arranged at the horizontal bottom and are parallel to the X axis and used for determining the horizontal angle.
The overall wiring diagram of the hardware PCB is shown in fig. 10.
(7) Hardware picture
In order to simplify the design and reduce the area of the circuit board during initial design, two groups of 3.3V button cells are adopted to supply power to the system, and in the debugging process, the storage capacity of the button cells is found to be too small and not enough to maintain long-term operation of the system, and then an additional power supply module is added to supply electric energy to the system.
The physical diagram of the developed hardware is shown in fig. 11.
Software design of 3 firework setting off intelligent inclination angle early warning indication system
(1) Software compilation environment
Software is developed in a Keil-MDK5 compiling environment, and is modularly developed one by one according to project requirements, and the main functional modules comprise: hardware clock initialization of an ARM single chip microcomputer, functional pin initialization of an LED and the like, serial port initialization, SPI communication initialization, MPU6000 initialization, sensor calibration, dip algorithm calculation and the like.
FIG. 12 is a software compilation environment.
(2) Software operation flow
Fig. 13 is a software operation flow.
Based on STM32 type single chip microcomputer and MEMS micro-electro-mechanical system technology, the design develops a set of inclination angle indicating system suitable for industrial inclination angle measurement or mass entertainment (such as balance cars, aircrafts and the like). According to the equipment inclination angle size, with the number of going on and off of LED lamp pearl, the sound size and the frequency of bee calling organ, come concrete quantization inclination angle scope to supply more specific audio-visual impression angle inclination scope, play the too big real-time early warning function in inclination. Meanwhile, the invention utilizes the MEMS accelerometer to measure the triaxial component of the gravitational acceleration on line, designs a filtering algorithm, effectively improves the measurement precision of the inclination angle, and is easy to apply in industrial scenes by designing a low-power consumption micro embedded measurement system. Meanwhile, the system expands and increases the IST8310 three-axis magnetic sensor, can realize the measurement of the flight direction of the unmanned aerial vehicle subsequently, and provides technical support for the measurement of the inclination angle of the unmanned aerial vehicle in the flight process.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An intelligent inclination angle early warning indication system for firework setting off is characterized by comprising a control processing module, an inclination angle measuring module in signal connection with the control processing module and an inclination angle display module in signal connection with the control processing module;
the inclination angle measurement module is used for acquiring real-time inclination angle signals in the horizontal and vertical directions in real time, and acquiring and sending the real-time inclination angle signals to the control processing module;
the control processing module is used for resolving the measured angle to generate a corresponding control instruction according to the obtained real-time measured real-time inclination angle signal and transmitting the control instruction to the inclination angle display module;
the inclination angle display module is used for displaying an inclination angle according to the control instruction and sending out an early warning signal.
2. The intelligent inclination angle early warning indicating system that fireworks are set off of claim 1, characterized in that, the intelligent inclination angle early warning indicating system that fireworks are set off is "L" type framework, has definite perpendicular diaxon direction mutually, and 5 way LED lamp pearls of overall arrangement respectively on diaxon, singlechip and sensor arrange in horizontal bottom and be parallel with the X axle for confirm horizontal angle.
3. The intelligent inclination warning and indicating system for firework setting off as claimed in claim 1, wherein the warning and indicating system further comprises an IST8310 three-axis magnetic sensor for realizing course measurement.
4. The intelligent inclination warning and indicating system for firework setting off as claimed in claim 1, wherein the inclination measuring module comprises a micro inertial sensor;
the micro inertial sensor comprises an ICM20602 chip, and the second pin and the third pin of the ICM20602 chip are directly connected with an I/O port of a main processor STM32 and are processed through an STM 32; one end of a part of pins of the ICM20602 chip is connected with a 1.71-3.45 VDC power supply, and is grounded through a capacitor of 10nF, a part of pins of the ICM20602 chip are directly grounded, and a part of pins of the ICM20602 chip are grounded through a capacitor of 0.1 uF; one part of pins of the ICM20602 chip is connected with a 1.71-3.45 VDC power supply in a terminating mode, and two capacitors of C20.1uf and C42.2uf are led out to be correspondingly grounded.
5. The intelligent inclination angle early warning and indicating system for firework setting off as claimed in claim 4, wherein the micro inertial sensor further comprises an IST8310 chip, wherein part of pins of the IST8310 chip are connected to the main processor; one end of a part of pins of the IST8310 chip is connected with a 1.71-3.45 VDC power supply (3.3V) and is grounded through a 0.1uF capacitor, a part of pins of the IST8310 chip are directly grounded through a 4.7uF capacitor, and a part of pins of the IST8310 chip are used for gating corresponding chip memory addresses.
6. The intelligent inclination angle early warning and indicating system for firework setting off as claimed in claim 1, wherein the inclination angle display module comprises an LED lamp bead and an LED lamp bead driving circuit connected with the LED lamp bead, and the inclination angle display module calibrates an angle range by the number of the LED lamps turned on; the LED lamp bead driving circuit comprises an LED main chip connected with an I/O pin and a current-limiting resistor connected with the LED main chip in series.
7. The intelligent inclination warning and indicating system for firework setting off as claimed in claim 1, wherein the control processing module comprises an ARM-STM32F103 microprocessor, the ARM-STM32F103 microprocessor comprising a main chip, a reset circuit, a clock circuit and a power supply circuit;
the RST end of the reset circuit is connected with a 7 th pin reset pin of the main chip; the clock circuit dominant frequency uses 8MHz crystal oscillator, and the ports are grounded through a capacitor respectively, and the ports are connected with the capacitor through the crystal oscillator.
8. A design method of an intelligent inclination angle early warning indication system for firework setting off is characterized by comprising the following steps:
selecting item device selection of the intelligent inclination angle early warning indication system for firework setting off;
designing a hardware circuit of the intelligent inclination angle early warning indicating system for setting off fireworks and distributing a PCB (printed circuit board);
developing software functions of the intelligent inclination angle early warning indication system for firework setting off;
and carrying out function debugging on the intelligent inclination angle early warning and indicating system for setting off the fireworks.
9. The design method of the intelligent inclination angle early warning and indicating system for firework setting off as claimed in claim 8, wherein the method for developing the software function of the intelligent inclination angle early warning and indicating system for firework setting off comprises the following steps:
developing in a Keil-MDK5 compiling environment, and modularizing one by one according to project requirements to develop functional modules; the functional module includes: hardware clock initialization of an ARM single chip microcomputer, initialization of LED functional pins, serial port initialization, SPI communication initialization, MPU6000 initialization, sensor calibration and dip algorithm calculation.
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| CN212692864U (en) * | 2020-09-15 | 2021-03-12 | 国网江苏省电力有限公司淮安供电分公司 | Horizontal position on-line detector |
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2021
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| CN212692864U (en) * | 2020-09-15 | 2021-03-12 | 国网江苏省电力有限公司淮安供电分公司 | Horizontal position on-line detector |
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