Device and method for realizing self-explosion function of sounding balloon skin based on satellite positioning module

Abstract

The invention relates to a method for realizing a self-explosion function of a sounding balloon skin based on a satellite positioning module. The satellite positioning module acquires a navigation satellite signal in real time and sends the navigation satellite signal to a single-chip microcomputer minimum system according to a protocol format; the single-chip microcomputer analyzes the positioning information after receiving the positioning information, sends the analyzed data to the display module according to a serial port format, judges an over-limit range, and outputs a low-level signal to the relay module if the over-limit range is exceeded; the display module is used for displaying the analyzed longitude and latitude data and longitude and latitude directions; the relay module receives a low-level signal sent by the single chip microcomputer and controls a relay to switch on a heating wire circuit; and after the heating wire circuit is switched on, the heating wire generates a heat effect for melting and breaking the ball skin. The problem that the flight area cannot be controlled after the sounding balloon is released is solved. The method is simple and convenient to operate, high in control precision and high in practical application value.

Description

Technical Field

[0001] The invention relates to a device and method for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module, belonging to the technical field of radio measurement. Background Art

[0002] One of the important tasks of aerospace measurement ships to complete satellite measurement and control missions in the distant oceans is to regularly perform performance inspections and test verifications on the shipborne unified measurement and control radar to ensure that the radar is always in the best technical state. Releasing beacon balls is a direct means for shipborne unified measurement and control radars to obtain technical indicators such as photoelectric deviation and system tracking phase data. However, since beacon balls are uncontrollable after being released through balloon carriers, they can easily fall into the exclusive economic zones of other countries due to seasonal atmospheric circulation. During the beacon ball release process, after each measuring device completes the recording of photoelectric off-target volume, tracking point frequency phase calibration and other indicators, the pulse radar and photoelectric theodolite still need to continue tracking until the beacon balloon explodes naturally, resulting in unnecessary waste of personnel and equipment. Sometimes, it is even impossible to monitor the explosion of the balloon, resulting in uncontrollable effects of releasing the beacon ball. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a device for realizing the self-destruction function of the sounding balloon skin based on a satellite positioning module, which is used to accurately and real-timely explode the sounding balloon skin after the ship-borne unified measurement and control radar obtains the equipment calibration data, ensuring that the calibration process is fully autonomous and controllable. This method can effectively reduce the waste of personnel and equipment and solve the problem that the sounding balloon cannot be controlled after being released.

[0004] The technical solution adopted by the present invention to solve the above problem is: a device for realizing the self-explosion function of the skin of a sounding balloon based on a satellite positioning module, comprising a satellite positioning module, a single-chip minimum system, a display module, a relay module, a system power module, a heating power module and a heating wire. Among them, the power module 1 comprises a 9V DC battery, a DC-DC step-down module, and a battery buckle, and the power module 2 comprises a 9V DC battery and a battery buckle.

[0005] As a further optimization solution of the present invention, the satellite positioning module and the single-chip microcomputer minimum system are connected via DuPont wires.

[0006] As a further optimization solution of the present invention, the display module and the single-chip computer minimum system are connected via DuPont wires.

[0007] As a further optimization solution of the present invention, the relay module and the single-chip microcomputer minimum system are connected via DuPont wires.

[0008] As a further optimization solution of the present invention, the relay module and the heating wire are connected via a DuPont wire.

[0009] As a further optimization scheme of the present invention, the system power module is connected to the satellite positioning module, the single-chip minimum system, the display module, and the relay module through a power line, and the heating power module is connected to the heating wire through a power line to control the heating effect of the heating wire.

[0010] The satellite positioning module acquires the navigation satellite signal in real time and sends it to the single-chip minimum system in accordance with the NMEA0183 protocol format; the single-chip minimum system parses the positioning information after receiving it and sends the parsed data to the display module in the serial port format, and completes the out-of-limit range judgment at the same time. If it exceeds the limited range, a low-level signal is output to the relay module; the display module is used to display the parsed longitude and latitude data and longitude and latitude directions; the relay module controls the relay to connect the heating wire circuit when it receives the low-level signal sent by the single-chip microcomputer; after the heating wire circuit is connected, the heating wire produces a thermal effect, converts electrical energy into thermal energy, which is used to melt the ball skin; the power module 1 provides a +5V working voltage to the satellite positioning module, the single-chip minimum system, the display module, and the relay module; the power module 2 provides a +9V working voltage to the heating wire.

[0011] On the other hand, the present invention provides a method for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module, and the specific steps are as follows:

[0012] Step 1: First, connect the satellite positioning module with the single-chip minimum system through the DuPont line, then connect the display module with the single-chip minimum system through the DuPont line, continue to connect the relay module with the single-chip minimum system through the DuPont line, then connect the relay module with the heating wire through the DuPont line, and finally connect the power module 1 and the power module 2 with other modules through the power line;

[0013] Step 2: Set the over-limit alarm range in a circular area with a radius of 40km with the current release point as the center, burn the control program into the microcontroller, and install the microcontroller into the microcontroller minimum system;

[0014] Step 3: Select a wide venue according to actual needs, turn on the system power module and heating power module, and wait for the satellite positioning module to lock normally and display correctly on the LCD screen of the display module;

[0015] Step 4: Fix the device near the sounding balloon as required, keep the heating wire close to the balloon surface, and release the sounding balloon;

[0016] Step 5: The sounding balloon determines in real time whether it exceeds the preset airspace range based on its own location. If it exceeds the set range, the relay module is activated, the circuit connected to the heating wire is turned on, the heating wire melts through the skin of the sounding balloon, and the balloon explodes.

[0017] Furthermore, in step 2, the satellite positioning module acquires the navigation satellite signal in real time, and the single chip microcomputer analyzes the location to make an out-of-limit range judgment, which mainly includes:

[0018] The satellite positioning module is set to send only $GNGLL protocol frames (positioning geographic information) per second. The positioning geographic information starts with $GNGLL message ID. The information contains latitude, latitude direction, longitude, longitude direction and other information, all separated by commas. Then the microcontroller special function register SBUF completes the segmentation of the protocol frame and the reception of data according to its own serial port interrupt function, and stores the received $GNGLL protocol frame data into the specified character array, and extracts it according to the element number in the array where the longitude and latitude are located. After the longitude and latitude information is extracted, the character format is converted into the required data format through calculation to facilitate the comparison and judgment of the out-of-limit range.

[0019] The over-limit range standard and setting method include:

[0020] The radius-center method is used to set the over-limit range, that is, the longitude and latitude where the survey ship releases the sounding balloon is taken as the center of the circle. Combined with the fact that the sounding balloon must meet the radar far-field calibration conditions and the endurance of the battery it carries, the balloon's flight radius is a circular area of ​​40km.

[0021] After the device is powered on and locks onto the navigation satellite, it can obtain the latitude and longitude information of the current location of the survey ship, and store the information in the starting position character array of the single-chip microcomputer as point A, the center of the circle; after the sounding balloon is released, the satellite positioning module continuously obtains and parses its own longitude and latitude data, stores the information in the character array as point B, and calculates the distance between the two points on the earth's surface with the longitude and latitude of point A, the center of the circle. When it is found that the distance exceeds the set distance of 40km, the P2.1 pin of the single-chip microcomputer is set to "0", so that it outputs a low level, triggering the relay module, thereby starting the heating wire to work and detonating the balloon.

[0022] Assuming the center of the earth is O and the radius of the earth is r, two points on the earth's surface are expressed in terms of the earth's radius, latitude and longitude as follows: The coordinates in the earth's rectangular coordinate system are A(x 1 ,y 1 , z 1 ), B(x 2 ,y 2 , z 2 ), the distance between two points on the Earth's surface can be calculated using the vector inner product and arc length formula:

[0023]

[0024] Then the geocentric angle ∠AOB between the two points can be calculated by the following formula:

[0025]

[0026] The distance between two points on the Earth's surface is calculated as follows:

[0027]

[0028] Where r is the radius of the earth (km), is the distance between two points on the Earth's surface (km), θ, The longitude and latitude of a point on the Earth's surface (rad).

[0029] Compared with the prior art, the present invention has the following advantages:

[0030] The invention solves the problem that the flight area of ​​the sounding balloon cannot be controlled after being released, and can effectively reduce the waste of personnel and equipment. The method adopts domestic modular design, is simple and convenient to operate, has high control accuracy, and has strong practical application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 The present invention is a schematic structural diagram of a device for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module provided in an embodiment of the present invention.

[0032] Figure 2 The present invention is a schematic diagram of system hardware connections of a device for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module provided by an embodiment of the present invention.

[0033] Figure 3 The present invention provides a positioning information parsing flow chart of a device for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module provided in an embodiment of the present invention.

[0034] Figure 4 The present invention provides a system workflow diagram of a device for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below with reference to the accompanying drawings.

[0036] like Figure 1 As shown, this embodiment provides a device for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module, including a satellite positioning module, a single-chip minimum system, a display module, a relay module, a power module 1 (system power module), a power module 2 (heating power module), and a heating wire. Among them, the power module 1 includes a 9V DC battery, a DC-DC step-down module, and a battery buckle, and the power module 2 includes a 9V DC battery and a battery buckle.

[0037] In this embodiment, the satellite positioning module is the ATGM336H-5N-3X navigation chip of Zhongkewei Company and its built-in ceramic antenna; the microprocessor is the STC89C52RC 8-bit single-chip microcomputer of Hongjing Technology Company; the display module uses the LCD1602 liquid crystal display module; the relay module is a 1-way 5V / 12V / 24V relay module with photoelectric coupling isolation and support for high and low level triggering; the power module 1 is composed of a 9V DC battery, a DC-DC step-down module, a battery buckle, etc., which can realize the conversion of +9V to +5V power output, and provide +5V power supply for the satellite positioning module, the single-chip microcomputer minimum system, the display module, and the relay module; the power module 2 is composed of a 9V DC battery and a battery buckle, and provides +9V power supply to the heating wire separately.

[0038] Based on the above-mentioned device for realizing the self-destruction function of the sounding balloon skin based on the satellite positioning module, the sounding balloon skin self-destruction work is carried out, and the specific steps are as follows:

[0039] Step 1: If Figure 2 As shown, firstly, the satellite positioning module is connected to the single-chip minimum system through the DuPont line, then the display module is connected to the single-chip minimum system through the DuPont line, and then the relay module is connected to the single-chip minimum system through the DuPont line, and then the relay module is connected to the heating wire through the DuPont line, and finally the power module 1 and the power module 2 are connected to other modules through the power line;

[0040] Step 2: Set the over-limit alarm range in a circular area with a radius of 40km with the current release point as the center, burn the control program into the microcontroller, and install the microcontroller into the microcontroller minimum system;

[0041] Step 3: Select a wide venue according to actual needs, turn on power module 1 and power module 2, and wait for the satellite positioning module to lock normally and display correctly on the LCD screen of the display module;

[0042] Step 4: Fix the device near the sounding balloon as required, keep the heating wire close to the balloon surface, and release the sounding balloon;

[0043] Step 5: The sounding balloon determines in real time whether it exceeds the preset airspace range based on its own location. If it exceeds the set fence range, the relay module is activated, the circuit connected to the heating wire is turned on, the heating wire melts through the skin of the sounding balloon, and the balloon explodes.

[0044] The positioning information starts with $GNGLL message ID. The information includes latitude, latitude direction, longitude, longitude direction and other information, all separated by commas. The protocol frame data format is shown in Table 1.

[0045] Table 1: GNGLL protocol frame data format framework

[0046]

[0047]

[0048] $GNGLL protocol frame parsing refers to extracting the required longitude and latitude information from the data frame. The single-chip microcomputer SBUF stores the received $GNGLL protocol frame data into the specified character array, and extracts it according to the element number in the array where the longitude and latitude are located. After the longitude and latitude information is extracted, the character format is converted into the required data format through calculation to facilitate comparison and judgment. The positioning information parsing flow chart is shown in Figure 4 When the navigation module is not locked, the indicator light is always on but does not flash, indicating that the module has started working but has not yet completed positioning. It is necessary to wait for several minutes in an open area to lock normally. When it is not locked, the LCD screen displays garbled characters; after the navigation module is locked, the indicator light starts to flash regularly, and the LCD screen can correctly display the latitude and longitude information.

[0049] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A device for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module, characterized in that The device comprises a satellite positioning module, a single-chip microcomputer minimum system, a display module, a relay module, a system power supply module, a heating power supply module and a heating wire. The satellite positioning module, the display module, the relay module and the single-chip microcomputer minimum system are respectively connected through DuPont wires, and the relay module and the heating wire are connected through a DuPont wire; the system power supply module and the satellite positioning module, the single-chip microcomputer minimum system, the display module and the relay module are connected through power lines, and the heating power supply module and the heating wire are connected through power lines to control the heating effect of the heating wire. The satellite positioning module acquires navigation satellite signals in real time and sends them to the single-chip microcomputer minimum system in accordance with a protocol format; the single-chip microcomputer minimum system parses the positioning information after receiving it and sends the parsed data to the display module in accordance with a serial port format, and at the same time completes the over-limit range judgment, and outputs a low-level signal to the relay module if it exceeds the limited range; the display module is used to display the parsed longitude and latitude data and longitude and latitude directions; the relay module controls the relay to connect the heating wire circuit when receiving the low-level signal sent by the single-chip microcomputer; after the heating wire circuit is connected, the heating wire generates a thermal effect to melt the ball skin.

2. The method for realizing the self-destruction function of a sounding balloon skin based on a satellite positioning module according to claim 1, characterized in that The method comprises the following steps: Step 1: First, connect the satellite positioning module with the single-chip minimum system through the DuPont line, then connect the display module with the single-chip minimum system through the DuPont line, continue to connect the relay module with the single-chip minimum system through the DuPont line, then connect the relay module with the heating wire through the DuPont line, and finally connect the system power module and the heating power module with other modules through the power line; Step 2: Set the over-limit alarm range in a circular area with a radius of 40km with the current release point as the center, burn the control program into the microcontroller, and install the microcontroller into the microcontroller minimum system; Step 3: Select a wide venue according to actual needs, turn on the system power module and heating power module, and wait for the satellite positioning module to lock normally and display correctly on the LCD screen of the display module; Step 4: Fix the device near the sounding balloon as required, keep the heating wire close to the balloon surface, and release the sounding balloon; Step 5: The satellite positioning module obtains the navigation satellite signal in real time, and the single-chip computer analyzes its own location and determines in real time whether it exceeds the preset airspace range. If it exceeds the set range, the relay module is activated, the circuit connected to the heating wire is turned on, the heating wire melts the skin of the sounding balloon, and the balloon explodes.

3. The method for realizing the self-destruction function of the sounding balloon skin based on the satellite positioning module according to claim 2 is characterized in that The satellite positioning module acquires the navigation satellite signal in real time, and the single chip microcomputer analyzes the location to make an out-of-limit range judgment, including: The satellite positioning module is set to send out only the protocol frame containing the positioning geographic information per second. The positioning geographic information includes latitude, latitude direction, longitude, and longitude direction information, all separated by commas. Then the microcontroller special function register completes the segmentation of the protocol frame and the reception of data according to its own serial port interrupt function, and stores the received protocol frame data into the specified character array. It is extracted according to the element number in the array where the longitude and latitude are located. After the longitude and latitude information is extracted, the character format is converted into the required data format through calculation to facilitate the comparison and judgment of the out-of-limit range.

4. The method for realizing the self-destruction function of the sounding balloon skin based on the satellite positioning module according to claim 3 is characterized in that The over-limit range standards and setting methods include: 1) The radius-center method is used for the over-limit range, that is, the latitude and longitude at which the survey ship releases the sounding balloon is the center of the circle. Combined with the fact that the sounding balloon must meet the radar far-field calibration conditions and the battery life, the balloon flight radius is a circular area of ​​40km; 2) After the device is powered on and locked onto the navigation satellite, the latitude and longitude information of the current location of the survey ship can be obtained, and the information is stored in the starting position character array of the single-chip microcomputer as point A, the center of the circle; after the sounding balloon is released, the satellite positioning module continuously obtains and parses its own longitude and latitude data, stores the information in the character array as point B, and calculates the distance between the two points on the earth's surface with the longitude and latitude of point A, the center of the circle. When it is found that the distance exceeds the set distance of 40km, the P2.1 pin of the single-chip microcomputer is set to "0", so that it outputs a low level, triggering the relay module, thereby starting the heating wire to work and detonating the balloon.

5. The method for realizing the self-destruction function of the sounding balloon skin based on the satellite positioning module according to claim 4 is characterized in that The distance between two points on the Earth's surface is calculated as follows: Assume that the center of the earth is O and the radius of the earth is r. The two points on the earth's surface are expressed in terms of the radius, latitude and longitude of the earth: A The coordinates in the earth's rectangular coordinate system are A(x1, y1, z1) and B(x2, y2, z2). The distance between two points on the earth's surface can be calculated using the vector inner product and arc length formula: Then the geocentric angle ∠AOB between the two points can be calculated by the following formula: The distance between two points on the Earth's surface is calculated as follows: Where r is the radius of the earth (km), is the distance between two points on the Earth's surface (km), θ, The longitude and latitude of a point on the Earth's surface (rad).

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