Circuit for individual soldier reconnaissance

Abstract

The utility model discloses a circuit for individual soldier reconnaissance, which comprises a character superimposition module, a visible light module and an infrared detection module which are respectively connected with the input end of the character superimposition module through a selection switch U7 and an operational amplifier U6, and a storage module, a display module and a communication module which are respectively connected with the selection switch U4 through an operational amplifier U2, an operational amplifier U5 and an operational amplifier U8. The selection switch U4 is connected with the input end of the character superimposition module; the utility model has the advantages that: through the switching of the selection switch, the required data can be selected according to the on-site requirement and superposed and input to the character superposition module for display, and the application flexibility is strong.

Description

Technical Field

[0001] The utility model relates to the field of individual soldier reconnaissance, and particularly relates to a circuit for individual soldier reconnaissance. Background Art

[0002] The modern military reconnaissance environment is becoming increasingly complex, putting forward higher requirements for the reconnaissance ability of individual soldiers. The existing individual soldier reconnaissance equipment usually has a single function and complex operation, and cannot meet the multi-functional, rapid response and high-precision requirements of the modern battlefield. Therefore, it is of great practical significance to develop a circuit for individual soldier reconnaissance.

[0003] Chinese Patent Publication No. CN102749659A discloses a multi-functional optoelectronic reconnaissance instrument and a method for observing and determining the position of a target. The multi-functional optoelectronic reconnaissance instrument includes a refrigerated infrared sensor, a laser rangefinder, a visible light channel, a GPS module and a magnetic compass; there is also an integrated information processing unit, a power supply module and a control panel; observing through the visible light channel and observing the target and determining the target azimuth through the refrigerated infrared sensor; automatically calculating the position coordinates of the target. It is used for an individual to conduct reconnaissance and positioning on a target, and provides the image, azimuth, distance and position information of the target in real time and accurately. It integrates multiple sensors and adopts a miniaturized design, with high portability, improving the individual reconnaissance ability and information acquisition ability. However, although this patent application integrates the information of multiple sensors, it can only display the information of multiple sensors on the display module, and cannot selectively superimpose and display the information of multiple sensors according to the on-site needs, so the application flexibility is low. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the circuit for individual soldier reconnaissance in the prior art cannot selectively superimpose and display the information of multiple sensors according to the on-site needs, so the application flexibility is low.

[0005] The utility model solves the above technical problem by the following technical means: A circuit for individual soldier reconnaissance includes a character overlay module. The visible light module and the infrared detection module are respectively connected to the input end of the character overlay module through a selection switch U7 and an operational amplifier U6. The storage module, the display module and the communication module are respectively connected to a selection switch U4 through operational amplifiers U2, U5 and U8. The selection switch U4 is connected to the input end of the character overlay module.

[0006] Further, the main chip of the character overlay module is a character overlay chip, and the model of the character overlay chip is AT7456, MAX7456 or OSD7556.

[0007] Further, the infrared detection module is a long-wave camera.

[0008] Further, the visible light module is a visible light camera.

[0009] Further, the storage module is an SD5D14A - 4G memory chip.

[0010] Further, the display module is an OLED display screen.

[0011] Further, the communication module is an ESP8266 series WIFI module.

[0012] Further, it further includes a comprehensive information processing module, and the output end of the character superposition module is connected to the comprehensive information processing module through a voltage conversion module.

[0013] Furthermore, the comprehensive information processing module is a single - chip microcomputer, and the model of the single - chip microcomputer is STM32F103.

[0014] Furthermore, the peripheral circuit of the selection switch U7 includes a resistor R33, a resistor R38, a capacitor C42, a resistor R41, a resistor B2, and a capacitor C41. One end of the resistor R33 and the eighth pin of the selection switch U7 are connected to the infrared detection module. One end of the resistor R38 and the second pin of the selection switch U7 are connected to the visible light module. One end of the capacitor C42 and the fourth pin of the selection switch U7 are both connected to the power supply VCC_5VA. One end of the resistor R41, one end of the resistor B2 are connected to the sixth pin of the selection switch U7. One end of the capacitor C41 and the seventh pin of the selection switch U7 are connected to the power supply VCC_-5VA. The other ends of the resistor R33, the resistor R38, the capacitor C42, the capacitor C41, and the resistor R41 are all grounded. The other end of the resistor B2 is connected to the IO port of the comprehensive information processing module.

[0015] Furthermore, the peripheral circuit of the operational amplifier U6 includes a resistor R35, a capacitor C39, a resistor R36, a capacitor C38, a capacitor C40, a resistor R34, a resistor R37, a resistor R32, a resistor R24, and a capacitor C34. One end of the resistor R35 and one end of the capacitor C39 are both connected to the first pin of the selection switch U7. The other end of the capacitor C39, one end of the resistor R36, and the third pin of the operational amplifier U6 are connected. The second pin of the operational amplifier U6 and one end of the capacitor C38 are connected to the power supply VCC_-5VA. The first pin of the operational amplifier U6, one end of the resistor R32, and one end of the resistor R34 are connected. The other end of the resistor R34, one end of the resistor R37, and the fourth pin of the operational amplifier U6 are connected. The fifth pin of the operational amplifier U6 and one end of the capacitor C40 are both connected to the power supply VCC_5VA. The other end of the resistor R32, one end of the resistor R24, and one end of the capacitor C34 are connected. The other end of the capacitor C34 is connected to the twenty-second pin of the main chip of the character overlay module. The other ends of the resistor R35, the resistor R36, the capacitor C38, the capacitor C40, the resistor R37, and the resistor R24 are all grounded.

[0016] Furthermore, the selection switch U4 and the selection switch U7 have the same circuit structure. The operational amplifiers U2, U5, and U8 all have the same circuit structure as the operational amplifier U6. The second pin of the selection switch U4 is connected to the twenty-sixth pin of the main chip of the character overlay module.

[0017] Furthermore, the voltage conversion module is a buck module that converts 5V voltage to 3.3V voltage. The voltage conversion module includes a buck chip U12, a capacitor C58, a capacitor C59, a capacitor C60, and a capacitor C61. One end of the capacitor C60, one end of the capacitor C61, and the eleventh pin of the buck chip U12 are connected. One end of the capacitor C58, one end of the capacitor C59, and the first pin of the buck chip U12 are connected to output the power supply VCC_3V3. The other ends of the capacitor C58, the capacitor C59, the capacitor C60, and the capacitor C61 are grounded. The twelfth pin of the buck chip U12 is connected to the power supply VCC_3V3. The seventh to tenth pins of the buck chip U12 are respectively connected to the eleventh, tenth, ninth, and eighth pins of the main chip of the character overlay module. The second to fifth pins of the buck chip U12 are respectively connected to the twenty-ninth, thirty-second, thirtieth, and thirty-first pins of the comprehensive information processing module.

[0018] The advantages of the present utility model are as follows:

[0019] (1) The visible light module and the infrared detection module of the present utility model are respectively connected to the character overlay module through the selection switch U7 and the operational amplifier U6. The storage module, the display module, and the communication module are respectively connected to the selection switch U4 through the operational amplifier U2, the operational amplifier U5, and the operational amplifier U8. The selection switch U4 is connected to the character overlay module. Therefore, by switching the selection switch, the data that needs to be superimposed can be selected according to the on-site needs and input into the character overlay module for display, with strong application flexibility.

[0020] (2) The present utility model amplifies the signal through the operational amplifier and then sends it into the character overlay module, so that weak signals can also be collected, and the accuracy of data transmission is higher.

[0021] (3) A plurality of resistor-capacitor combinations are arranged in the peripheral circuit of the operational amplifier and the peripheral circuit of the selection switch of the present utility model to form an RC filter, which effectively filters out signal interference in the circuit and improves the stability of signal transmission.

[0022] (4) The operating voltage of the operational amplifier and the selection switch of the present utility model is 5V, while the operating voltage of the comprehensive information processing module is 3.3V. Therefore, a voltage conversion module is set to convert the 5V voltage to 3.3V, so as to meet the power supply requirements of the comprehensive information processing module, and thus there is no need to separately set an independent power supply module for the comprehensive information processing module, which is more convenient and cost-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is the schematic diagram of the peripheral circuits of the main chip U3, the selection switch U7, the operational amplifier U6, and the selection switch U4 of the character overlay module in a circuit for individual soldier reconnaissance disclosed in the embodiment of the present utility model;

[0024] Figure 2 It is the schematic diagram of the peripheral circuits of the selection switch U4, the operational amplifier U2, the operational amplifier U5, and the operational amplifier U8 in a circuit for individual soldier reconnaissance disclosed in the embodiment of the present utility model;

[0025] Figure 3 It is the schematic diagram of the voltage conversion module in a circuit for individual soldier reconnaissance disclosed in the embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] AsFigures 1 - 3 As shown in the figure, the present utility model provides a circuit for individual soldier reconnaissance, including a character overlay module. The visible light module and the infrared detection module are respectively connected to the input end of the character overlay module through a selection switch U7 and an operational amplifier U6. The storage module, the display module, and the communication module are respectively connected to a selection switch U4 through operational amplifiers U2, U5, and U8. The selection switch U4 is connected to the input end of the character overlay module.

[0028] In this embodiment, the main chip of the character overlay module is a character overlay chip, and the model of the character overlay chip is AT7456, MAX7456, or OSD7556. The infrared detection module is a long-wave camera. The visible light module is a visible light camera. The storage module is an SD5D14A-4G memory chip. The display module is an OLED display screen. The communication module is an ESP8266 series WIFI module. The circuit of the present utility model further includes a comprehensive information processing module. The output end of the character overlay module is connected to the comprehensive information processing module through a voltage conversion module. The comprehensive information processing module is a single-chip microcomputer, and the model of the single-chip microcomputer is STM32F103. In this embodiment, the models of the selection switch U7 and the selection switch U4 are the same, both are model switches, and the model is ISL54050. The models of the operational amplifiers U2, U5, U8, and U6 are the same, and the model is LM741. After the signal is amplified by the operational amplifier and then sent to the character overlay module, weak signals can also be collected, and the accuracy of data transmission is higher.

[0029] Refer to Figure 1 , the peripheral circuit of the selection switch U7 includes a resistor R33, a resistor R38, a capacitor C42, a resistor R41, a resistor B2, and a capacitor C41. One end of the resistor R33 and the eighth pin of the selection switch U7 are connected to the infrared detection module. One end of the resistor R38 and the second pin of the selection switch U7 are connected to the visible light module. One end of the capacitor C42 and the fourth pin of the selection switch U7 are both connected to the power supply VCC_5VA. One end of the resistor R41, one end of the resistor B2 are connected to the sixth pin of the selection switch U7. One end of the capacitor C41 and the seventh pin of the selection switch U7 are connected to the power supply VCC_-5VA. The other ends of the resistor R33, the resistor R38, the capacitor C42, the capacitor C41, and the resistor R41 are all grounded. The other end of the resistor B2 is connected to the IO port of the comprehensive information processing module.

[0030] The peripheral circuit of the operational amplifier U6 includes resistor R35, capacitor C39, resistor R36, capacitor C38, capacitor C40, resistor R34, resistor R37, resistor R32, resistor R24 and capacitor C34. One end of resistor R35 and one end of capacitor C39 are both connected to the first pin of the selection switch U7. The other end of capacitor C39, one end of resistor R36 and the third pin of the operational amplifier U6 are connected. The second pin of the operational amplifier U6 and one end of capacitor C38 are connected to the power supply VCC_-5VA. The first pin of the operational amplifier U6, one end of resistor R32 and one end of resistor R34 are connected. The other end of resistor R34, one end of resistor R37 and the fourth pin of the operational amplifier U6 are connected. The fifth pin of the operational amplifier U6 and one end of capacitor C40 are both connected to the power supply VCC_5VA. The other end of resistor R32, one end of resistor R24 and one end of capacitor C34 are connected. The other end of capacitor C34 is connected to the twenty-second pin of the main chip of the character superposition module; the other ends of resistor R35, resistor R36, capacitor C38, capacitor C40, resistor R37 and resistor R24 are all grounded.

[0031] Refer to Figure 2 , the circuit structures of the selection switch U4 and the selection switch U7 are the same, and the circuit structures of the operational amplifiers U2, U5, and U8 are the same as that of the operational amplifier U6. The second pin of the selection switch U4 is connected to the twenty-sixth pin of the main chip of the character superposition module. Multiple resistor-capacitor combinations are set in the peripheral circuits of the operational amplifier and the selection switch, such as resistor R35 and capacitor C39, and also such as resistor R32 and capacitor C34, to form RC filtering, effectively filtering out signal interference in the line and improving the stability of signal transmission.

[0032] Refer to Figure 3, the voltage conversion module is a step-down module that converts 5V voltage to 3.3V voltage. The voltage conversion module includes a step-down chip U12, capacitors C58, C59, C60, and C61. One end of capacitor C60, one end of capacitor C61, and the eleventh pin of the step-down chip U12 are connected. One end of capacitor C58, one end of capacitor C59, and the first pin of the step-down chip U12 are connected to output the power supply VCC_3V3. The other ends of capacitor C58, capacitor C59, capacitor C60, and capacitor C61 are grounded; the twelfth pin of the step-down chip U12 is connected to the power supply VCC_3V3. The seventh to tenth pins of the step-down chip U12 are respectively connected to the eleventh, tenth, ninth, and eighth pins of the main chip of the character overlay module. The second to fifth pins of the step-down chip U12 are respectively connected to the twenty-ninth, thirty-second, thirtieth, and thirty-first pins of the comprehensive information processing module. The operating voltage of the operational amplifier and the selection switch is 5V, while the operating voltage of the comprehensive information processing module is 3.3V. Therefore, a voltage conversion module is set up to convert 5V voltage to 3.3V to meet the power supply requirements of the comprehensive information processing module, so that there is no need to separately set up an independent power module for the comprehensive information processing module, which is more convenient and cost-saving.

[0033] The visible light module and the infrared detection module are respectively connected to the input end of the character overlay module through the selection switch U7 and the operational amplifier U6. Through the selection switch U7, the information of the visible light module and / or the infrared detection module can be selected for overlay. The operational amplifier U6 amplifies the collected visible light information and infrared detection data for subsequent processing. The storage module, the display module, and the communication module are respectively amplified by the operational amplifiers U2, U5, and U8 for subsequent processing, and then the collected inputs are connected to the selection switch U4. Through the selection switch U4, the data of the storage module and / or the display module and / or the communication module can be selected for overlay. The character overlay module overlays the received data, and after overlay, it is sent to the comprehensive information processing module through the voltage conversion module. The comprehensive information processing module then displays it through the upper computer or the display screen.

[0034] It should be noted that the present invention only protects the hardware architecture and does not involve the improvement of the single-chip microcomputer program. The single-chip microcomputer only sends the collected data to the display screen for display after collecting the data. Those skilled in the art can directly build the circuit after knowing the circuit connection relationship of the present invention and the models of related devices, and the relevant technical effects can be achieved after the circuit is connected.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A circuit for individual soldier reconnaissance, characterized in that, It includes a character overlay module. The visible light module and the infrared detection module are respectively connected to the input end of the character overlay module through a selection switch U7 and an operational amplifier U6. The storage module, the display module, and the communication module are respectively connected to a selection switch U4 through an operational amplifier U2, an operational amplifier U5, and an operational amplifier U8. The selection switch U4 is connected to the input end of the character overlay module.

2. The circuit for individual soldier reconnaissance according to claim 1, characterized in that, The main chip of the character overlay module is a character overlay chip, and the model of the character overlay chip is AT7456, MAX7456 or OSD7556.

3. A circuit for individual soldier reconnaissance according to claim 1, characterized in that, The infrared detection module is a long-wave camera, the visible light module is a visible light camera, the storage module is an SD5D14A-4G memory chip, the display module is an OLED display screen, and the communication module is an ESP8266 series WIFI module.

4. A circuit for individual soldier reconnaissance according to claim 1, characterized in that, It also includes a comprehensive information processing module. The output end of the character overlay module is connected to the comprehensive information processing module through a voltage conversion module.

5. A circuit for individual soldier reconnaissance according to claim 4, characterized in that, The comprehensive information processing module is a single-chip microcomputer, and the model of the single-chip microcomputer is STM32F103.

6. The circuit for individual soldier reconnaissance according to claim 4, characterized in that The peripheral circuit of the selection switch U7 includes a resistor R33, a resistor R38, a capacitor C42, a resistor R41, a resistor B2 and a capacitor C41. One end of the resistor R33 and the eighth pin of the selection switch U7 are connected to the infrared detection module. One end of the resistor R38 and the second pin of the selection switch U7 are connected to the visible light module. One end of the capacitor C42 and the fourth pin of the selection switch U7 are both connected to the power supply VCC_5VA. One end of the resistor R41, one end of the resistor B2 are connected to the sixth pin of the selection switch U7. One end of the capacitor C41 and the seventh pin of the selection switch U7 are connected to the power supply VCC_-5VA. The other ends of the resistor R33, the resistor R38, the capacitor C42, the capacitor C41, and the resistor R41 are all grounded. The other end of the resistor B2 is connected to the IO port of the comprehensive information processing module.

7. The circuit for individual soldier reconnaissance according to claim 6, wherein The peripheral circuit of the operational amplifier U6 includes resistor R35, capacitor C39, resistor R36, capacitor C38, capacitor C40, resistor R34, resistor R37, resistor R32, resistor R24 and capacitor C34. One end of resistor R35 and one end of capacitor C39 are both connected to the first pin of the selection switch U7. The other end of capacitor C39, one end of resistor R36 and the third pin of the operational amplifier U6 are connected. The second pin of the operational amplifier U6 and one end of capacitor C38 are connected to the power supply VCC_-5VA. The first pin of the operational amplifier U6, one end of resistor R32 and one end of resistor R34 are connected. The other end of resistor R34, one end of resistor R37 and the fourth pin of the operational amplifier U6 are connected. The fifth pin of the operational amplifier U6 and one end of capacitor C40 are both connected to the power supply VCC_5VA. The other end of resistor R32, one end of resistor R24 and one end of capacitor C34 are connected. The other end of capacitor C34 is connected to the twenty-second pin of the main chip of the character overlay module. The other ends of resistor R35, resistor R36, capacitor C38, capacitor C40, resistor R37 and resistor R24 are all grounded.

8. A circuit for individual soldier reconnaissance according to claim 7, characterized in that, The circuit structures of the selection switch U4 and the selection switch U7 are the same. The circuit structures of the operational amplifiers U2, U5 and U8 are the same as that of the operational amplifier U6. The second pin of the selection switch U4 is connected to the twenty-sixth pin of the main chip of the character overlay module.

9. A circuit for individual soldier reconnaissance according to claim 8, characterized in that, The voltage conversion module is a buck module that converts 5V voltage to 3.3V voltage. The voltage conversion module includes a buck chip U12, capacitor C58, capacitor C59, capacitor C60 and capacitor C61. One end of capacitor C60, one end of capacitor C61 and the eleventh pin of the buck chip U12 are connected. One end of capacitor C58, one end of capacitor C59 and the first pin of the buck chip U12 are connected to output the power supply VCC_3V3. The other ends of capacitor C58, capacitor C59, capacitor C60 and capacitor C61 are grounded. The twelfth pin of the buck chip U12 is connected to the power supply VCC_3V3. The seventh to tenth pins of the buck chip U12 are respectively connected to the eleventh, tenth, ninth and eighth pins of the main chip of the character overlay module. The second to fifth pins of the buck chip U12 are respectively connected to the twenty-ninth, thirty-second, thirtieth and thirty-first pins of the integrated information processing module.

10. A circuit for individual soldier reconnaissance according to claim 8, characterized in that, The selection switches U7 and U4 have the same model, which is ISL54050. The operational amplifiers U2, U5, U8 and U6 have the same model, which is LM741.

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