Air-ground cooperative positioning rescue system

Abstract

The utility model provides an air-ground cooperative positioning rescue system in the technical field of rescue equipment. The air-ground cooperative positioning rescue system comprises a positioning terminal, a searching terminal, a rescue terminal and an unmanned aerial vehicle, the positioning terminal comprises a first control module and a first GPS positioning module. The search terminal comprises a second control module and a second GPS positioning module; the rescue terminal comprises a third control module, an LED status lamp, an OLED screen, an LTE communication module and an LTE power supply module. One end of the first control module is connected with the first GPS positioning module, and the other end of the first control module is connected with the second control module; the second GPS positioning module is connected with the second control module; the third control module is connected with the second control module, the LED status lamp, the OLED screen and the LTE communication module. The LTE power supply module is connected with the LTE communication module; and the search terminal is arranged on the unmanned aerial vehicle. The positioning rescue device has the advantage that the positioning rescue efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rescue equipment, in particular to an air-ground collaborative positioning rescue system. Background Art

[0002] When people engage in outdoor adventure activities, they are likely to get lost due to the unfamiliar environment and changeable weather. If the explorer's mobile phone battery is exhausted at this time, the explorer will be out of contact. At this time, the family cannot contact the explorer, or if the explorer does not return home at the scheduled time, the family will call the police for rescue.

[0003] Since the explorers were completely out of contact, rescuers could only conduct a carpet-style manual search in the exploration area. However, the visual range during the manual search was limited and the moving speed was slow, resulting in low rescue efficiency and even missing the best rescue time.

[0004] Therefore, how to provide an air-ground collaborative positioning and rescue system to improve the efficiency of positioning and rescue has become a technical problem that needs to be solved urgently. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an air-ground collaborative positioning and rescue system to improve the efficiency of positioning and rescue.

[0006] The utility model is implemented as follows: an air-ground collaborative positioning and rescue system, comprising a positioning terminal, a search terminal, a rescue terminal and a drone;

[0007] The positioning terminal includes a first control module and a first GPS positioning module; the search terminal includes a second control module and a second GPS positioning module; the rescue terminal includes a third control module, an LED status light, an OLED screen, an LTE communication module and an LTE power supply module;

[0008] One end of the first control module is connected to the first GPS positioning module, and the other end is connected to the second control module; the second GPS positioning module is connected to the second control module; the third control module is respectively connected to the second control module, the LED status light, the OLED screen and the LTE communication module; the LTE power supply module is connected to the LTE communication module;

[0009] The search terminal is arranged on the unmanned aerial vehicle.

[0010] Furthermore, the first control module, the second control module and the third control module each include an MCU, a startup circuit, a voltage stabilizing filter circuit, a voltage stabilizing circuit, a battery interface, a power indicator light, a voltage sampling unit, a power reminder switch, a 433 communication unit and a 433 power supply unit;

[0011] The power indicator light, battery interface, voltage stabilizing circuit, voltage stabilizing filter circuit, starting circuit and MCU are connected in sequence; one end of the voltage sampling unit is connected to the MCU, and the other end is connected to the battery interface; one end of the 433 communication unit is connected to the MCU, and the other end is connected to the 433 power supply unit; the power prompt switch is connected to the MCU.

[0012] Furthermore, the startup circuit includes a crystal oscillator Y1, a resistor R1, a resistor R16, a resistor R17 and a capacitor C7;

[0013] Pin 1 of the crystal oscillator Y1 is connected to pin 5 of the MCU, and pin 2 is connected to pin 6 of the MCU; one end of the resistor R17 is connected to pin 20 of the MCU, and the other end is connected to the resistor R1 and the capacitor C7; the resistor R1 is connected to pin 44 of the MCU; one end of the resistor R16 is connected to the capacitor C7, and the other end is connected to the voltage stabilizing filter circuit.

[0014] Further, the voltage stabilizing filter circuit includes a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C12, a capacitor C13 and a capacitor C14;

[0015] After the capacitors C8 , C9 , C10 , C12 , C13 and C14 are connected in parallel, one end is connected to the start-up circuit, and the other end is connected to the voltage stabilizing circuit.

[0016] Furthermore, the voltage stabilizing circuit includes a voltage stabilizing chip U11, a capacitor C4 and a capacitor C5;

[0017] One end of the capacitor C4 is connected to the capacitor C5 and the pin 1 of the voltage stabilizing chip U11, and the other end is connected to the pin 2 of the voltage stabilizing chip U11 and the voltage stabilizing filter circuit; the pin 3 of the voltage stabilizing chip U11 is connected to the capacitor C5 and the battery interface.

[0018] Furthermore, the power supply indicator light includes a resistor R5 and a light emitting diode D1;

[0019] One end of the resistor R5 is connected to the battery interface, and the other end is connected to the input end of the light emitting diode D1.

[0020] Further, the voltage sampling unit includes a resistor R9, a resistor R11 and a resistor R12;

[0021] One end of the resistor R9 is connected to the battery interface, and the other end is connected to the resistor R11; one end of the resistor R12 is connected to the resistor R11 and the pin 10 of the MCU, and the other end is grounded.

[0022] Furthermore, pin 1 of the power reminder switch is connected to pin 1 of the MCU, and pin 3 is connected to pin 17 of the MCU.

[0023] Further, the power supply unit 433 includes a power chip U2, a capacitor C6 and a capacitor C15;

[0024] One end of the capacitor C6 is connected to the capacitor C15 and the pin 1 of the power chip U2, and the other end is connected to the pin 2 of the power chip U2 and the 433 communication unit; the pin 3 of the power chip U2 is connected to the capacitor C15;

[0025] The LTE power supply module includes a power chip U4, a capacitor C1 and a capacitor C3;

[0026] One end of the capacitor C3 is connected to the capacitor C15 and the pin 1 of the power chip U4, and the other end is connected to the pin 2 of the power chip U4 and the LTE communication module; the pin 3 of the power chip U4 is connected to the capacitor C1.

[0027] Furthermore, the LED status light includes a resistor R3 and a light emitting diode D2;

[0028] One end of the resistor R3 is connected to the third control module, and the other end is connected to the input end of the light emitting diode D2.

[0029] The advantages of the utility model are:

[0030] By setting a positioning terminal, a search terminal, a rescue terminal and a drone, the positioning terminal is provided with a first control module and a first GPS positioning module, the search terminal is provided with a second control module and a second GPS positioning module, the rescue terminal is provided with a third control module, an OLED screen and an LTE communication module, and the search terminal is provided on the drone, the search terminal flies through the drone, and is wirelessly connected to the positioning terminal and the rescue terminal respectively through the 433 communication unit of the second control module; when the explorers lose contact, the positioning terminal carried by the explorers collects positioning data in real time through the first GPS positioning module, and a large-scale search is performed through the search terminal carried by the drone, when the positioning terminal and the 433 communication unit of the search terminal establish a wireless connection, the positioning terminal sends the positioning data to the rescue terminal, and the rescue terminal then transmits the positioning data back to the search terminal, and the search terminal broadcasts the positioning data to each rescuer through the LTE communication module, so that the rescuer can quickly reach the location of the positioning terminal for rescue; because the 433 communication unit has high frequency stability and a wide radiation range, combined with the rapid movement of the drone, the wireless signal of the 433 communication unit can be quickly captured and the positioning data can be obtained, thereby greatly improving the efficiency of positioning rescue. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

[0032] Figure 1 The utility model is a circuit principle block diagram of an air-ground collaborative positioning rescue system.

[0033] Figure 2 It is a circuit diagram of the starting circuit of the utility model.

[0034] Figure 3 The utility model is a circuit diagram of a voltage stabilizing and filtering circuit.

[0035] Figure 4 The utility model is a circuit diagram of a voltage stabilizing circuit.

[0036] Figure 5 The utility model is a circuit diagram of a power supply indicator light.

[0037] Figure 6 It is a circuit diagram of the voltage sampling unit of the utility model.

[0038] Figure 7 The utility model is a circuit diagram of a power prompt switch.

[0039] Figure 8 It is a circuit diagram of the 433 power supply unit of the utility model.

[0040] Fig. 9 It is a circuit diagram of the LTE power supply module of the utility model.

[0041] Fig.10 The utility model is a circuit diagram of an LED status lamp.

[0042] Fig.11 It is a circuit diagram of the MCU of the utility model.

[0043] Fig.12 It is a circuit diagram of the battery interface of the utility model.

[0044] Fig.13 It is a circuit diagram of the 433 communication unit of the utility model. DETAILED DESCRIPTION

[0045] The embodiment of the utility model provides an air-ground collaborative positioning and rescue system, which solves the technical problem in the prior art that when explorers are in a completely disconnected state, the visual range that can be seen during the manual search is limited, and the travel speed is slow, resulting in low rescue efficiency, thereby achieving the technical effect of greatly improving the positioning and rescue efficiency.

[0046] The technical solution in the embodiment of the utility model is to solve the above problems. The overall idea is as follows: the drone carries the search terminal for flight. When the 433 communication unit of the search terminal searches for the wireless signal of the 433 communication unit of the positioning terminal, the positioning data sent by the positioning terminal is obtained and transmitted back to the rescue terminal. Since the 433 communication unit has high frequency stability and a wide radiation range, combined with the rapid movement of the drone, the positioning and rescue efficiency is improved.

[0047] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0048] Please refer to Figures 1 to 13 As shown, a preferred embodiment of the air-ground collaborative positioning and rescue system of the utility model comprises a positioning terminal, a search terminal, a rescue terminal and a drone (not shown); the positioning terminal is carried by the explorer and is used to transmit positioning data to the outside when the connection is lost; the search terminal is used to search for the wireless signal of the positioning terminal and establish a wireless connection, thereby obtaining the positioning data; the rescue terminal is used to control the search terminal and send the positioning data to the outside for rescue; the drone is used to carry the search terminal for flight search;

[0049] The positioning terminal includes a first control module and a first GPS positioning module; the search terminal includes a second control module and a second GPS positioning module; the rescue terminal includes a third control module, an LED status light, an OLED screen, an LTE communication module and an LTE power supply module;

[0050] One end of the first control module is connected to the first GPS positioning module, and the other end is connected to the second control module; the second GPS positioning module is connected to the second control module; the third control module is respectively connected to the second control module, the LED status light, the OLED screen and the LTE communication module; the LTE power supply module is connected to the LTE communication module;

[0051] The search terminal is arranged on the drone. The drone can fly back and forth in the lost contact area, and the search terminal receives the wireless signal of the positioning terminal in real time to obtain positioning data, thereby accurately organizing and carrying out rescue operations, reducing rescue costs and improving rescue efficiency.

[0052] The first control module, the second control module and the third control module each include an MCU, a startup circuit, a voltage stabilization filter circuit, a voltage stabilization circuit, a battery interface, a power indicator light, a voltage sampling unit, a power reminder switch, a 433 communication unit and a 433 power supply unit; the model of the MCU is preferably STM32F103; the model of the 433 communication unit is preferably E22-400T30S;

[0053] The power indicator light, battery interface, voltage stabilizing circuit, voltage stabilizing filter circuit, starting circuit and MCU are connected in sequence; one end of the voltage sampling unit is connected to the MCU, and the other end is connected to the battery interface; one end of the 433 communication unit is connected to the MCU, and the other end is connected to the 433 power supply unit; the power prompt switch is connected to the MCU.

[0054] The startup circuit includes a crystal oscillator Y1, a resistor R1, a resistor R16, a resistor R17 and a capacitor C7;

[0055] Pin 1 of the crystal oscillator Y1 is connected to pin 5 of the MCU, and pin 2 is connected to pin 6 of the MCU; one end of the resistor R17 is connected to pin 20 of the MCU, and the other end is connected to the resistor R1 and the capacitor C7; the resistor R1 is connected to pin 44 of the MCU; one end of the resistor R16 is connected to the capacitor C7, and the other end is connected to the voltage stabilizing filter circuit.

[0056] The voltage stabilizing filter circuit includes a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C12, a capacitor C13 and a capacitor C14;

[0057] After the capacitors C8 , C9 , C10 , C12 , C13 and C14 are connected in parallel, one end is connected to the start-up circuit, and the other end is connected to the voltage stabilizing circuit.

[0058] The voltage stabilizing circuit includes a voltage stabilizing chip U11, a capacitor C4 and a capacitor C5; the model of the voltage stabilizing chip U11 is preferably AMS1117-3V3;

[0059] One end of the capacitor C4 is connected to the capacitor C5 and the pin 1 of the voltage stabilizing chip U11, and the other end is connected to the pin 2 of the voltage stabilizing chip U11 and the voltage stabilizing filter circuit; the pin 3 of the voltage stabilizing chip U11 is connected to the capacitor C5 and the battery interface.

[0060] The power indicator light includes a resistor R5 and a light emitting diode D1;

[0061] One end of the resistor R5 is connected to the battery interface, and the other end is connected to the input end of the light emitting diode D1.

[0062] The voltage sampling unit includes a resistor R9, a resistor R11 and a resistor R12;

[0063] One end of the resistor R9 is connected to the battery interface, and the other end is connected to the resistor R11; one end of the resistor R12 is connected to the resistor R11 and the pin 10 of the MCU, and the other end is grounded.

[0064] Pin 1 of the power prompt switch is connected to pin 1 of the MCU, and pin 3 is connected to pin 17 of the MCU.

[0065] The 433 power supply unit includes a power chip U2, a capacitor C6 and a capacitor C15; the model of the power chip U2 is preferably AMS1117-5V;

[0066] One end of the capacitor C6 is connected to the capacitor C15 and the pin 1 of the power chip U2, and the other end is connected to the pin 2 of the power chip U2 and the 433 communication unit; the pin 3 of the power chip U2 is connected to the capacitor C15;

[0067] The LTE power supply module includes a power chip U4, a capacitor C1 and a capacitor C3; the model of the power chip U4 is preferably AMS1117-5V;

[0068] One end of the capacitor C3 is connected to the capacitor C15 and the pin 1 of the power chip U4, and the other end is connected to the pin 2 of the power chip U4 and the LTE communication module; the pin 3 of the power chip U4 is connected to the capacitor C1.

[0069] The LED status light includes a resistor R3 and a light emitting diode D2;

[0070] One end of the resistor R3 is connected to the third control module, and the other end is connected to the input end of the light emitting diode D2.

[0071] Working principle of this utility model:

[0072] When the explorers lose contact, the positioning terminal carried by the explorers collects positioning data in real time through the first GPS positioning module, and conducts a large-scale search through the search terminal carried by the drone. When the 433 communication unit of the search terminal searches for the wireless signal of the 433 communication unit of the positioning terminal, a wireless connection is automatically established. The positioning terminal sends the positioning data to the rescue terminal through the 433 communication unit, and the rescue terminal then sends the positioning data back to the search terminal through the 433 communication unit. The search terminal displays the received positioning data through the OLED screen, and pushes the positioning data to the pre-associated mobile terminal in real time through the LTE communication module.

[0073] In summary, the advantages of the present invention are:

[0074] By setting a positioning terminal, a search terminal, a rescue terminal and a drone, the positioning terminal is provided with a first control module and a first GPS positioning module, the search terminal is provided with a second control module and a second GPS positioning module, the rescue terminal is provided with a third control module, an OLED screen and an LTE communication module, and the search terminal is provided on the drone, the search terminal flies through the drone, and is wirelessly connected to the positioning terminal and the rescue terminal respectively through the 433 communication unit of the second control module; when the explorers lose contact, the positioning terminal carried by the explorers collects positioning data in real time through the first GPS positioning module, and a large-scale search is performed through the search terminal carried by the drone, when the positioning terminal and the 433 communication unit of the search terminal establish a wireless connection, the positioning terminal sends the positioning data to the rescue terminal, and the rescue terminal then transmits the positioning data back to the search terminal, and the search terminal broadcasts the positioning data to each rescuer through the LTE communication module, so that the rescuer can quickly reach the location of the positioning terminal for rescue; because the 433 communication unit has high frequency stability and a wide radiation range, combined with the rapid movement of the drone, the wireless signal of the 433 communication unit can be quickly captured and the positioning data can be obtained, thereby greatly improving the efficiency of positioning rescue.

[0075] Although the specific implementation methods of the present invention are described above, those skilled in the art should understand that the specific embodiments described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. An air-ground collaborative positioning and rescue system, characterized in that: It includes a positioning terminal, a search terminal, a rescue terminal and a drone; The positioning terminal includes a first control module and a first GPS positioning module; the search terminal includes a second control module and a second GPS positioning module; the rescue terminal includes a third control module, an LED status light, an OLED screen, an LTE communication module and an LTE power supply module; One end of the first control module is connected to the first GPS positioning module, and the other end is connected to the second control module; the second GPS positioning module is connected to the second control module; the third control module is respectively connected to the second control module, the LED status light, the OLED screen and the LTE communication module; the LTE power supply module is connected to the LTE communication module; The search terminal is arranged on the unmanned aerial vehicle.

2. The air-ground collaborative positioning and rescue system according to claim 1, characterized in that: The first control module, the second control module and the third control module each include an MCU, a startup circuit, a voltage stabilization filter circuit, a voltage stabilization circuit, a battery interface, a power indicator light, a voltage sampling unit, a power prompt switch, a 433 communication unit and a 433 power supply unit; The power indicator light, battery interface, voltage stabilizing circuit, voltage stabilizing filter circuit, starting circuit and MCU are connected in sequence; one end of the voltage sampling unit is connected to the MCU, and the other end is connected to the battery interface; one end of the 433 communication unit is connected to the MCU, and the other end is connected to the 433 power supply unit; the power prompt switch is connected to the MCU.

3. The air-ground collaborative positioning rescue system according to claim 2, characterized in that: The startup circuit includes a crystal oscillator Y1, a resistor R1, a resistor R16, a resistor R17 and a capacitor C7; Pin 1 of the crystal oscillator Y1 is connected to pin 5 of the MCU, and pin 2 is connected to pin 6 of the MCU; one end of the resistor R17 is connected to pin 20 of the MCU, and the other end is connected to the resistor R1 and the capacitor C7; the resistor R1 is connected to pin 44 of the MCU; one end of the resistor R16 is connected to the capacitor C7, and the other end is connected to the voltage stabilizing filter circuit.

4. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: The voltage stabilizing filter circuit includes a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C12, a capacitor C13 and a capacitor C14; After the capacitors C8 , C9 , C10 , C12 , C13 and C14 are connected in parallel, one end is connected to the start-up circuit, and the other end is connected to the voltage stabilizing circuit.

5. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: The voltage stabilizing circuit includes a voltage stabilizing chip U11, a capacitor C4 and a capacitor C5; One end of the capacitor C4 is connected to the capacitor C5 and the pin 1 of the voltage stabilizing chip U11, and the other end is connected to the pin 2 of the voltage stabilizing chip U11 and the voltage stabilizing filter circuit; the pin 3 of the voltage stabilizing chip U11 is connected to the capacitor C5 and the battery interface.

6. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: The power indicator light includes a resistor R5 and a light emitting diode D1; One end of the resistor R5 is connected to the battery interface, and the other end is connected to the input end of the light emitting diode D1.

7. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: The voltage sampling unit includes a resistor R9, a resistor R11 and a resistor R12; One end of the resistor R9 is connected to the battery interface, and the other end is connected to the resistor R11; one end of the resistor R12 is connected to the resistor R11 and the pin 10 of the MCU, and the other end is grounded.

8. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: Pin 1 of the power prompt switch is connected to pin 1 of the MCU, and pin 3 is connected to pin 17 of the MCU.

9. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: The 433 power supply unit includes a power chip U2, a capacitor C6 and a capacitor C15; One end of the capacitor C6 is connected to the capacitor C15 and the pin 1 of the power chip U2, and the other end is connected to the pin 2 of the power chip U2 and the 433 communication unit; the pin 3 of the power chip U2 is connected to the capacitor C15; The LTE power supply module includes a power chip U4, a capacitor C1 and a capacitor C3; One end of the capacitor C3 is connected to the capacitor C15 and the pin 1 of the power chip U4, and the other end is connected to the pin 2 of the power chip U4 and the LTE communication module; the pin 3 of the power chip U4 is connected to the capacitor C1.

10. The air-ground collaborative positioning and rescue system according to claim 2, characterized in that: The LED status light includes a resistor R3 and a light emitting diode D2; One end of the resistor R3 is connected to the third control module, and the other end is connected to the input end of the light emitting diode D2.

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